JP5476656B2 - Urination information measuring device - Google Patents

Description

The present invention includes a trap pipe connected to a sewage pipe and a jet water discharge means provided in the trap pipe to generate a jet water discharge that induces a siphon phenomenon. In the urine information measuring device using the toilet that discharges the accumulated water,
In particular, the control method of the urine information measuring device is suitable for creating an appropriate measurement start water level while ensuring the hygiene of the toilet connected to the sewage pipe, and not causing the user to feel a decrease in usability regarding the urination information measurement preparation time. It is invention regarding.

  In the conventional urination information measuring device, before the urination, the water level in the ball is lowered to a level lower than the overflow water level in the trap pipe by a predetermined amount, and then urination is carried out in the ball. By measuring, various urination information including urine volume is measured (for example, refer to Patent Document 1).
In such cases, by using the ball as a collection container, it is possible to collect all urine excreted even if there are individual differences in the direction of urination, so urination information can be easily measured regardless of gender or individual differences. The preparation operation for creating the measurement start water level takes time, and there is a problem for the user that the time during which this preparation operation is completed becomes a measurement waiting time and the usability is poor.

Therefore, after discharging the waste excreted in the toilet for measurement into the sewage pipe, it is lower than the conventional trap overflow water level during the rim water supply operation to form the sealed water again in the trap In some cases, this preparatory operation at the start of measurement is not required by waiting at a predetermined water level and setting the measurement start water level at the next measurement (see, for example, Patent Document 2).
However, in this case as well, there are individual differences in the operating characteristics of the rim water supply channel opening and closing means, so individual adjustments are indispensable for each urine information measuring device, and even if individual adjustments are made, the on-site water pressure conditions vary. If there is, the measurement start water level cannot be created at the target predetermined water level. Thus, when the measurement start water level fluctuates, there is a problem that the measurable range amount fluctuates. In particular, when the sealed depth of the stored water becomes shallow, the trap breakage occurs due to the pressure fluctuation generated in the sewage pipe, and there is a possibility that a bad smell enters the toilet.

JP 2005-009945 A JP 2006-126165 A

  The present invention has been made to solve the above problems, and an object of the present invention is to provide a method for creating a measurement start water level with a simple configuration with high accuracy and in a short time.

In order to achieve the above object, according to the first aspect of the present invention,
A ball that stores water on the inner surface as reservoir water and receives the excrement of the subject, and a trap tube that connects the ball to a sewage pipe and forms a sealed water that blocks the air flow from the sewage pipe. A rim water supply line that leads water from a water source to a rim water discharge port provided at the upper edge of the ball, and a Zet water supply line that extends to a jet water discharge port provided at the lower part of the ball. The water supply pipe branching means for branching, the water supply storage means for storing the water supplied from the water source , provided in the jet water supply pipe, and the stored water stored in the water supply storage means by the electric driving force Reserved water transport means for transporting into the ball, measurement start water level forming means for forming a measurement start water level that is a water level for starting measurement of the water level of the stored water, and stored water level measuring means for measuring the water level of the stored water And subject's exclusion Urination information calculation means comprising: urination information calculation means for obtaining an excretion amount of the excrement based on a water level value obtained by measuring the water level of the accumulated water that is changed from the measurement start water level by an object by the stored water level measurement means in the measurement apparatus, the accumulated water conveying means is a water supply rate is changed available-is the amount per unit time of the water to be transported, the measurement start level forming means, wherein the reservoir water in the bowl by siphon effect A first transfer control mode for controlling the operation of the stored water transfer means at a water supply rate at a level that can be discharged out of the trap pipe; and the stored water at a water supply rate at a level at which water can be formed in the ball. A measurement start water level formation control means having a second transfer control mode for controlling the operation of the transfer means, and executing the first transfer control mode to remove the accumulated water in the ball outside the trap pipeline. A toilet cleaning structure for discharging excrement to the sewage pipe by forming the measurement start water level by executing the second transfer control mode, and a measurement start water level formation. This configuration can be used only by the difference in the control method, so that the total cost of the channel configuration can be reduced and the configuration can be made compact.

According to the invention of claim 2 ,
The measurement start water level is a predetermined water level that is higher than the breaking water level of the trap pipe and lower than the overflow water level,
During measurement, the stored water plays a role of sealing water that blocks the air flow with the sewage pipe, so that the hygiene in the toilet can be secured with a simple configuration.

  According to the present invention, since the configuration for toilet flushing necessary as a toilet is also used for measurement start water level formation, which is a process necessary for urination information measurement, the total cost of the urination information measurement device is reduced.

In addition, since the measurement start water level can be created in a short time, the user can easily use the measurement. Moreover, since the measurement start water level is created accurately, not only can the measurement performance be stably expected, but also hygienic use can be expected as a toilet.

  FIG. 1 is a perspective view showing the entire urination information measuring apparatus in the first embodiment of the present invention. The overall configuration of the urination information measuring apparatus according to the present embodiment will be described below with reference to FIG.

The urination information measuring device 1 in the present embodiment includes a toilet 4 having a normal toilet function such as a toilet cleaning function, a sanitary cleaning device 7 integrated in the toilet 4, and behind the toilet 4. With the cabinet 18 installed and the configuration stored,
A display unit 70 that directly collects and includes a part of the operation / excretion urine provided on the wall in order for the test subject to perform operations for instructing those various operations and to display the obtained measurement results and the like. It consists of and.

  The toilet 4 is made of earthenware, and a resin toilet seat 171 and a toilet lid 172 are rotatably attached to the upper part of the ball. Further, in this embodiment, urine collecting means 91 for directly collecting a part of excreted urine in order to measure the concentration of a specific component of excreted urine is installed on the upper edge of the ball.

  The urine collection means 91 includes a urine collection arm 312 that extends into the toilet bowl, a urine collection container 911 that is attached to the distal end of the urine collection arm 312 to directly receive urine and collect a part thereof, and the urine collection arm 312 moves forward and backward. And a drive / transfer section 913 having a mechanism for sucking and transferring the urine collected in the urine collection container 911 to the urine component measuring section 9.

Inside the cabinet 18 is a change in the level of the stored water in order to measure urine volume information such as the urine volume that is excreted by the subject into the toilet 4 and the urine flow rate that is the excretion rate per unit time. A urine volume measurement unit 50 having a mechanism unit for measuring the urine volume, a urine volume measurement control unit 60 that performs operation control, information processing, and the like of the urine volume measurement unit 50, and specification in urine sent from the urine collection means 91 A urine component measuring unit 9 for measuring the component concentration and the like is housed.

  The operation / display unit 70 includes a remote controller 72 for measuring urination information, a remote controller 71 for operating the sanitary washing device, and a printer 73 that outputs urine information measurement results and the like.

  The remote controller 72 is operated when the subject enters the tray and measures urination information, and is provided with a measurement start switch for instructing the start of measurement and a urination end switch for instructing the end of urination. Further, the remote controller 72 is provided with personal authentication means such as individual switches and ID card reading means necessary for obtaining personal information such as the measurement history of the subject, and an input / output device for electronic data. .

  The measurement result is disclosed to the subject using the printer 73, but may be disclosed to the subject on the display unit of the remote controller 72. Furthermore, when this urination information measuring device is installed in a medical institution, it is also conceivable that the nurse takes out a plurality of subject data by operating the remote controller 72 at a predetermined time and taking out the data from the printer 73.

  The operation at the time of construction or maintenance is switched and set by performing a predetermined procedure on the switch of the remote controller 71 or the remote controller 72. As a switching method, a predetermined switch is pressed for a long time, and as an action to be performed only during construction or maintenance, the calibration relationship between the stored water level and the stored water amount is memorized, or the impulse piping It is an act of filling the water with water.

FIG. 2 is a block diagram showing a configuration of an embodiment of the urination information measuring apparatus 1 to which the present invention is applied.
In addition, the continuous line which has connected each component here shows a water pipe line, and a broken line shows connection paths, such as information other than water.
The urination information measuring device 1 is roughly divided into a toilet part 3, a urination information measuring part 5, and an operation / display part 70. The toilet part 3 and the urination information measurement part 5 are configured separately, considering that the manufacturing bases of the two are different and that the contractors are different. In other words, the two companies that have been packaged and transported at a plurality of manufacturing bases are generally installed at the site of operation, and the equipment supplier in charge of water supply and drainage installs the toilet unit 3 and connects it to the water and sewage systems. The contractor in charge of the construction work installs the urine information measuring unit 5 and connects the supply / drain piping connecting the toilet unit 3 and the urine information measuring unit 5 to the signal path to complete the urine information measuring device 1, and then urinates. The operation of the information measuring device 1 as a system can be checked. For this purpose, a linkage operation control means 80 is provided across both of the toilet unit 3 and the urination information measuring unit 5 so as to cooperate with each other.

  The toilet unit 3 is a toilet 4 having a function as a normal toilet that receives excrement and transports it to a sewage pipe, and a local part of a user after a stool is integrated into the toilet 4. The sanitary washing device 7 is provided with a sanitary washing means 7 a for performing the operation, and the toilet 4 and the toilet control unit 40 that controls the operation of the sanitary washing device 7 are configured.

  The toilet 4 includes a ball 20 that the subject excretes, a trap 14 that is connected to the ball 20 in order to store in the ball 20 the water 23 that seals communication with the sewage pipe, and water supply to the ball 20. The trap 14 is connected via a drain socket 15 to a sewage piping port 16 that communicates with a sewage piping provided in the toilet room.

  On the inner surface of the ball 20, a rim water spouting port 21 is provided at the upper edge portion and a jet water spouting port 22 is provided at the lower portion, both of which are openings for discharging water supplied by the toilet water supply means 30 into the ball 20. Has become a department.

  The toilet water supply means 30 includes a rim water supply means 31 and a jet water supply means 32 that supply water to the rim water discharge port 21 and the jet water discharge port 22, respectively.

  The jet water supply means 32 includes a water supply storage means 32 a for storing water supplied from the branch fitting 131 and a stored water transport means 32 b for sending the stored water stored in the water supply storage means 32 a to the balls 20.

  The water supply from the external water supply source to the urine information measuring device 1 is further supplied to the sanitary washing means 7a, the rim water supply means 31 for supplying water to the balls 20 of the toilet 4 through the apparatus water supply means 12, and the zette. The water is supplied through a water supply channel branched to the water supply means 32.

  The toilet control unit 40 has a water supply control means 41 for controlling the water supply operation of the sanitary washing means 7a and the toilet water supply means 30, and a linkage operation described later provided for controlling the cooperative operation of the urine information measuring device 1 as a whole. A state display unit 82a and a state reception unit 82b constituting the control unit 80 are provided.

  The urination information measurement unit 5 includes a urine volume measurement unit 6 and a urine component measurement unit 9, and the urine volume measurement unit 6 further includes a mechanism necessary for measuring the water level change of the stored water 23. And a urine volume measurement control unit 60 that controls the operation of the urine volume measurement unit 50, processes the obtained measurement information, and calculates measurement information such as urine volume. .

  In the urine volume measuring unit 50, the water level measuring means 51 for measuring the water level change of the stored water 23 in order to measure the amount of urination due to the excretion of the subject, and the water level of the stored water 23 by the pressure fluctuation in the sewage pipe. A sewage pressure fluctuation measuring unit 52 that measures the amount of influence received, and a calibration relationship measuring unit 53 that measures the relationship between the water level and the amount of water in the stored water 23 in the ball 20 (hereinafter, this relationship is referred to as “calibration relationship”). And a pipe edge cutting means 55 for shutting off the air flow by sealing the connecting pipe line between the urine volume measuring unit 50 and the sewage pipe.

  The stored water level measuring means 51 is connected to the stored water 23 by a measurement pipe 57 to be described later, and both communicate with each other through this pipe. The measurement pipeline 57 is provided with a measurement pipeline opening / closing means 57a for closing the pipeline when it is not necessary for preventing the stored water level measurement means 51 from being damaged.

  Further, the sewage pressure fluctuation measuring means 52 is also connected to the sewage pipe by a sewage pipe connecting pipe 522 which will be described later, which communicates with the inside of the drain socket 15. It is connected via a pipe edge cutting means 55 for preventing a odor backflow.

  In this embodiment, the accumulated water level measuring means 51 includes a water head pressure measuring means 51a for measuring the water level of the accumulated water 23 as a water head pressure which is the pressure of the water column generated at that time, and an actual water level measurement of the accumulated water 23. At that time, a measurement output calibration means 51b for creating a reference hydraulic head pressure in advance and calibrating the output of the hydraulic head pressure measurement means 51a is also incorporated. The measurement output calibration means 51b also functions as a vibration isolation means for removing the influence of the ripples of the stored water 23 on the water level measurement of the stored water level measuring means 51.

  The urine volume measurement control unit 60 also receives urine volume information such as the amount of excreta such as urine excreted by the test subject in the pooled water 23 based on the water level information measured by the pooled water level measuring means 51 and the urination rate. Controls the urine volume information calculation means 61 to be obtained, the measurement information storage means 62 for storing measurement information such as the measurement relationship and the measurement results performed by the calibration relation measurement means 53, and the toilet water supply means 30 described above. And a measurement start water level formation control means 63 for forming the water level of the stored water 23 at the measurement start water level by exchanging control information with the water supply control means 41 through the linkage operation control means 80 described later. ing. Furthermore, a status display unit 83a and a status receiving unit 83b are provided which constitute a later-described linkage operation control unit 80 for controlling the linkage operation of each function of the urination information measuring device 1.

  The urine volume information calculating unit 61 uses the calibration relationship between the water level and the water volume stored in the calibration relationship storage unit 621 from the water level of the stored water 23 measured by the stored water level measuring unit 51. The state of the sewage pressure at the start of the stored water level measurement is the water level measurement value measured by the stored water level measurement means 51 using the measurement results of the stored water amount calculation means 61a and the sewage pressure fluctuation measurement means 52. And a sewage pressure fluctuation correcting means 61b for correcting to a value at.

  The urine volume information calculating means 61 is configured as described above, and the amount of stored water is calculated based on the corrected stored water level value obtained by correcting the stored water level value measured by the stored water level measuring means 51 by the sewage pressure fluctuation correcting means 61b. The means 61a calculates the amount of accumulated water at that time, thereby obtaining urine volume information such as urination volume.

  The urine component measuring unit 9 includes a urine component analyzing unit 92 that analyzes and measures the component composition, the component concentration, and the like of the urine sample of the subject collected and transported by the urine collecting unit 91.

  As described above, the urination information measuring apparatus 1 of the present embodiment has a configuration in which the toilet unit 3 and the urination information measuring unit 5 are independent from each other. 71 and a remote controller 72 are provided, and these remote controllers are independent remote controllers that do not exchange operation information with each other. On the other hand, the bowl 20 of a normal toilet is also used as a urine collection container when measuring urination information. Between each operation of these devices, for example, a toilet cleaning operation as a normal toilet and urine volume measurement Some operations, such as between operations, can affect the other operation and cause measurement errors or damage the instrument. Therefore, how to operate each of the toilet unit 3 and the urination information measuring unit 5 according to the operation status at that time is specified in response to an operation instruction by an arbitrary remote controller operation performed by the user. The means for performing the linkage operation control is required, and for this reason, the linkage operation control means 80 is provided in this embodiment as described above. Note that a specific control circuit is required to perform the linkage operation control, but the urination information measurement unit 5 and the toilet unit 3 are connected via the relay board 81.

  Instead of providing a circuit board separately from both control circuit boards as in this relay board 81, the toilet control unit 40, which is a control means of the toilet unit 3 that is the target of the linkage operation control, or the same urination target The control circuit can be integrated into any one of the control circuit boards of the measurement control unit 40 that is the control means of the information measurement unit 5, or as a further embodiment, these control circuits are combined into one control circuit board. It can also be configured as a circuit board.

  The linkage operation control means 80 in this embodiment includes a relay board 81 provided as a control circuit board between the toilet unit 3 and the urination information measurement unit 5, and a status display provided in the urine volume measurement control unit 60. Means 83a, status receiving means 83b, and status display means 82a and status receiving means 82b provided in the toilet control unit 40 are provided. The control operation will be described below.

  The status display means 82a and 83a transmit the operation information of the toilet unit 3 or the urination information measuring unit 5 to the relay board 81, respectively. Based on the operation information of the toilet unit 3 or the urination information measuring unit 5 sent, the relay board 81 generates and stores linked operation information determined in advance according to the operation state at that time. That is, the relay board 81 is configured to always collect and store the operation states of both.

  When the urine volume measurement control unit 60 or the toilet control unit 40 starts their respective operations, the linked operation information generated and stored in the relay board 81 by the state receiving means 82b and 83b provided to each of them. , The operation of the toilet unit 3 or the urine volume measuring unit 6 is controlled as previously determined. The above-mentioned link operation information is obtained by performing a matching / adjustment such as switching to an interference prevention operation when the urination information measuring apparatus 1 as a whole is predicted to perform an interference operation or transmitting a drive signal with a delay. It is predetermined so that no operation occurs.

FIG. 3 shows a specific configuration of the water conduit relationship between the toilet unit 3 and the urine information measuring unit 5 of the urination information measuring apparatus 1 according to the embodiment of the present invention shown in FIG. However, details of the sanitary washing device 7 are omitted.
The toilet 4 is connected to a sewage piping port 9 through a drain socket 15. The stored water 23 formed by the trap 14 has a sealing function for blocking communication with the sewage pipe, so that odors and sanitary pests generated in the sewage pipe do not enter the toilet. Considered.

  Water from an external water supply source such as a water supply is supplied to the rim water spout 21 through a stop cock 121, a constant flow valve 122, and an on-off valve 123 that constitute the apparatus water supply means 12 and a branch fitting 131 that is a water supply line branch means. It is branched and supplied to the rim water supply line 311 directed to the rim, and the water supply line 321 directed to the jet water discharge port 22. The rim water supply pipe 311 is provided with an open / close valve 312, a vacuum breaker 313, and a flapper valve 314 as the rim water supply means 31 in this order toward the downstream side. Each of the vacuum breaker 313 and the flapper valve 314 has a function of draining residual water in the pipe and a function of preventing a backflow toward the external water supply source.

  A water supply storage tank 322 serving as a water supply storage means 32a for storing a fixed amount of water supply through an air gap is provided in the uppermost stream branched from the branch fitting 131 in the zette water supply pipe 321 and further branches sequentially toward the downstream side. A metal fitting 132, a flap valve 323, and a water supply pump 324 are disposed, and all of them constitute the jet water supply means 31. The water supply storage tank 321 is provided with a float switch or the like for controlling the fixed amount water storage, but is omitted in the figure. Then, the water stored in the water supply storage tank 321 is supplied to the jet spout 22 opened toward the lower trap 14 in the ball 20 by a water supply pump 324 as the stored water transfer means 32a.

  As a modification of the present embodiment, as indicated by a broken line in the drawing, a water supply line switching valve 325 as a flow path switching means is provided in the middle of the jet water supply line 321, and the water supply line switching valve 325 is provided. It is also possible to adopt a configuration in which a rim detour water supply channel 34 that communicates with the rim water spouting port 21 is provided. And it is good also as water supply to the ball | bowl 20 in the operation | movement which forms the measurement start water level mentioned later as the water supply from the rim water spout 21 alone or the jet water spout 22 and the rim water spout 21. In that case, the water supply from the jet discharge port 22 has a characteristic that the level of undulation of the stored water 23 accompanying the water supply is low, and the effect that the stored water level can be confirmed and measured in the middle of the water supply can be accurately measured. The water supply from each has the characteristics that the water washing effect of the balls 20 can be expected.

The water supply pump 324 used in the present embodiment as the stored water transport means is a stored water level that makes the trap 14 full by supplying more water than the amount flowing out of the trap 14 per unit time. A water supply rate that is large enough to achieve a full water level (use the transportable amount of water per unit time as an index to express the transport capacity during operation of the stored water transport means. A plurality of different water supply rates of at least two types including a large water supply rate operation mode in which water supply operation is performed and a small water supply rate operation mode in which water supply operation is performed with a small water supply rate that allows more accurate water supply control. If the pump motor is an AC specification, the inverter is controlled. If the DC motor is a DC motor, the rotation speed is controlled by a brushless specification. Those that have become so that can be used.

  Therefore, in this embodiment, during the measurement start water level forming operation for creating a measurement start water level, which will be described later, the water supply pump 324 is operated as a large water supply rate operation for supplying water for a predetermined time at a large water supply rate. A first transfer control mode for controlling a stored water discharge operation for discharging the stored water 23 toward the sewer pipe together with excrement by inducing a siphon phenomenon by causing the inside of the trap 14 to reach a full water level by discharging the water from After a predetermined time has elapsed after operating in the first transfer control mode, the water is supplied for a predetermined time at a water supply rate in a range where no siphon phenomenon occurs as a small water supply rate operation smaller than in the first transfer control mode, and the stored water is measured for a predetermined time. The above-described measurement start water level formation control means 63 performs operation control in the two types of control modes, that is, the second transport control mode for controlling the operation to be formed at the start water level.

  By controlling the water supply operation for forming the water level to be a small water supply rate operation, it is possible to obtain an effect of reducing the influence of the operation variation of the water supply pump 324 constituting the water supply means and the variation of the conveyance capacity. Accurate measurement start water level formation is possible. In addition, if the water supply channel at this time is configured to be a jet water channel communicating with the jet water discharge port 22, the toilet channel originally provided for the toilet 4 can be shared, and the structure can be simplified. There is.

  The urine volume measuring unit 50 surrounded by a broken line includes a urine volume measuring unit water supply line 581 that communicates with the water supply storage tank 322 via the branch fitting 132 in order to supply clean water for washing the urine volume measuring unit 50. In order to measure the water level of the stored water 23, a measuring pipe 57 communicating with the stored water level measuring means 50 from a water level measuring port provided on the inner surface of the bottom of the ball 20, and a sewage pipe connecting pipe communicating with the sewage pipe Road 522 is connected. The urine volume measuring section water supply pipe 581, the measurement pipe 57, and the sewage pipe connection pipe 522 are respectively provided with one-touch fittings 543, 544, and 545 that allow the pipes to be easily connected and disconnected with one touch. Furthermore, between the one-touch connection fitting 544 of the measurement pipe 57 and the toilet 4 and between the one-touch connection fitting 543 of the measurement unit water supply pipe 581 and the water supply storage tank 322, respective pipes are provided. A stop cock 541 and a stop cock 542 are provided. Therefore, the urine volume measuring unit 50 can be removed from the urination information measuring device 1 by closing the water stop cock 541 and the water stop cock 542 and removing the one-touch connection fittings 543, 544 and 545.

  In the urine volume measuring unit 50, a measurement pipe 511 connected to the measurement pipe 57 and a pressure sensor 512 that measures the water level of the stored water 23 as pressure are disposed as the stored water level measuring means 50.

  The measuring pipe 511 is submerged in an open end 514 that is open to the atmosphere to form a U-shaped pipe line system including the accumulated water 23, and in a sealed water that extends into the trap tank 551 and is used for edge cutting. A water-sealed end 515. The pressure sensor 512 is provided in the measurement pipe 511 in order to measure the water level of the stored water 23 as the head pressure of the U-shaped pipe line system.

  Further, since the output of the pressure sensor 512 changes depending on the temperature change of the installed environment or the change of the sensor itself with time, the present embodiment also includes a measurement output calibration means 51b for calibrating the output of the pressure sensor 512. Yes. That is, with the open / close valve 571 of the measurement pipe 57 closed, the water stored in the water supply storage tank 322 is guided to the measurement pipe 511 through the branch fitting 132, the stop cock 542, the open / close valve 582, and the open / close valve 513. In addition, a water column having a certain height is created in the measurement pipe 511 by overflowing the trap tank 551 from the water seal end 515. Then, by measuring the output of the pressure sensor 512 when the water column is at a certain height, output calibration is performed to associate the relationship between the output of the pressure sensor 511 and the water level with the water level based on the atmospheric pressure. The trap tank 551 is connected to the drain socket 15 by a sewage pipe connecting pipe 522 extending from a position where a sealed water is formed in order to discharge overflow water from the measurement pipe 511 at the time of output calibration to the sewage pipe. Is connected to the sewage pipe and functions as an edge cutting means for sealing the connection pipe line with water.

  Moreover, the urine information measuring device 1 of the present embodiment is provided with the above-described calibration relation measuring means 53 for obtaining the relationship between the water level of the stored water 23 and the amount of stored water, and the toilet 4 has a relatively large variation in physical dimensions. Even if it is manufactured, the calibration relationship specific to each toilet 4 can be measured and determined at the installation site.

In other words, the metering pump 531 is a fixed suction pump that can suck an arbitrary amount. The metering pump 531 sucks the accumulated water 23, and the measuring pipe 57, the stop cock 541, the on-off valve 571, and the on-off valve 532. In addition, it is configured to be discharged toward the sewage pipe through the trap tank 551 and the sewage pipe connecting pipe 522. Then, the water level of the accumulated water 23 is set to a level higher than the maximum water level in the measurement range at the installation site, and the on-off valve 513 and the on-off valve 582 are closed, and the accumulated water 23 is sucked from the ball 20 by a predetermined amount by the calibration pump 531. By measuring the water level with the pressure sensor 511, the calibration relationship between the stored water level and the stored water amount is acquired. Yes.
The pressure sensor 521 as the sewage pressure fluctuation measuring means 52 in the present invention is attached to the trap tank 551 and is generated in the sewage pipe via the sewage pipe connecting pipe 522 that connects the trap tank 551 and the socket 15. The pressure fluctuation state is measured as a pressure value. The amount of influence of the sewage pressure fluctuation on the accumulated water level is calculated by the water pressure fluctuation correcting means 61b based on the measured value by the sewage pressure influence measuring means 52, and the measured water level measured by the accumulated water level measuring means 51 is always the same. The correction process converted into the value of the state without sewage pressure fluctuation is performed.

FIG. 4 is a flowchart showing the operation of the urination information measuring apparatus 1 of the present invention.
When the subject performs a personal authentication operation in S101, a personal authentication operation is performed in S102 to associate with personal information, and a measurement preparation operation is started.
In this embodiment, as the measurement preparation operation, a measurement start water level forming operation is performed in which the water level of the stored water 23 is formed at a water level at which measurement is started (hereinafter, this water level is referred to as “measurement start water level”). This is because the toilet 4 used in this embodiment is in a standby state and the water level of the stored water 23 is set to an overflow water level that prevents communication with the sewage pipe. In order to secure the measurement range, the water level is lowered.

  In order to lower the stored water level, it is conceivable that the water will naturally flow out from a drain outlet provided at a predetermined water level, or forcibly discharged by a pump or the like, but in this embodiment, the stored water 23 is temporarily used by using a siphon phenomenon. After all is discharged to the sewage pipe by the siphon phenomenon through the trap 14, water is supplied to form a measurement start water level. Since the discharging operation through the trap 14 is the same as the discharging operation at the time of normal toilet cleaning provided in the toilet 4, even if the stored water 23 at this time contains some foreign matter, the drain pipe It is possible to discharge reliably and in a short time without causing clogging.

  For this purpose, first, in S103, the current water level of the stored water 23 is measured by the stored water level measuring means 51 and confirmed. In this operation, the water level in the standby state before starting measurement is normally the overflow level of the trap, but if the water overflows due to fluctuations in the sewage pressure, etc. In order to prevent the occurrence of the occurrence of the malfunction, there is a case where the water discharge from the water port 22 causes a problem that the siphon phenomenon is not stably generated in the trap 14 and the accumulated water is not completely discharged. It is.

  Accordingly, when the water level of the stored water 23 is equal to or lower than the predetermined water level, the rim water supply means 31 is driven in S104 to supply water from the rim water spouting port 21 into the ball 20 and the siphon phenomenon is stabilized. As the generated water level, the water level of the stored water 23 is set to an overflow water level that is a water level at which overflow starts from the trap 14 to the sewage pipe. Next, in S105, the water supply pump 324 is set to the large water supply rate operation mode, and the Zet water supply operation for conveying the water stored in the water supply storage tank 322 to the JET water discharge port 22 via the ZET water supply line 321 and discharging the water is continued for a predetermined time. Control in the first transfer control mode is performed. When a zette water supply operation is performed at a high water supply rate for a predetermined time, a siphon phenomenon is induced in the trap 14 and the accumulated water 23 is almost discharged into the sewage pipe, and the water level in the ball 20 becomes an empty water level.

  Next, in S106, the water supply pump 324 is switched to the small water supply rate operation mode so as to reach the measurement start water level that is a predetermined water level when the measurement is started, and the water stored in the water supply storage tank 322 is ballted via the Zet water supply line 321. Control is performed in the second transfer control mode in the present invention in which the water supply operation for transferring the jet into the inside 20 is continued for a predetermined time, and the water level of the stored water 23 is formed at the measurement start water level. Note that the measurement start water level at this time is set to a level higher than the break water level, which is the level at which the upper end of the trap port 141 is exposed and air can flow between the ball 23 and the sewage pipe. Prevents backflow of odor from sewage piping. The difference between the amount of accumulated water at the measurement start water level Y and the amount of accumulated water at the overflow water level H of the trap 14 is the maximum urine volume measurement range.

  In the first transfer control mode in the present embodiment described above, water is supplied at a high water supply rate of about 20 L to 100 L per minute, whereas the water supply in the second transfer control mode here is in the ball 20. In order to form the accumulated water 23, the measurement start water level is accurately created at a predetermined water level by supplying water for a predetermined time at a small water supply rate of 20 L or less per minute without inducing a siphon phenomenon.

  In the present embodiment, as described above, the water supply operation for forming the water level in S106 shown in FIG. 4 is performed with the water supply pump 324 in the small water supply rate operation mode in order to form the measurement start water level at a more accurate water level. Although it is configured to control in the second transfer control mode that is performed for a predetermined time, in the present invention, as the second transfer control mode, the siphon phenomenon is not started for a short time when water supply is performed in the large water supply rate operation mode performed in the water supply operation in S105. It is also possible to perform a water supply operation. That is, after the water supply pump 324 is operated in the large water supply rate operation mode for a predetermined time to perform the control in the first transfer control mode for generating the siphon phenomenon and the accumulated water is discharged, the operation of the water supply pump 324 is temporarily performed for the predetermined time. The measurement start water level may be formed at a predetermined water level by performing control in the second conveyance control mode in which the continuation of the siphon phenomenon is stopped and the water supply pump 324 is operated again for a short time in the large water supply rate operation mode. .

  In this case, the formation accuracy of the measurement start water level to be formed is slightly lower than the case of the present embodiment due to the operation variation of the water supply pump 324 as the stored water transfer means in the present invention, but the ball 20 of the toilet 4 In the case of using a toilet equipped with a ball capable of setting a large measurement range, the formation accuracy of the measurement start water level is not so much required, so that it can be applied. In this case, since water supply is performed at a high water supply rate, the time required for the measurement start water level forming operation, which is the waiting time of the subject, is shortened, and urine volume measurement can be started quickly.

  As a modified example of the water supply operation for creating the measurement start water level of the present embodiment, the water level measuring means is provided via the measurement pipeline 57 instead of performing the water supply operation in the second transfer control mode for a predetermined time. It is good also as a structure which performs control which continues water supply operation until it becomes the target water level, measuring a stored water level. In that case, it becomes possible to prevent the variation in the water supply level due to the change in the water supply conditions. As another modification, as shown by a broken line in FIG. 3, a pipe switching valve 325 that selectively switches the pipe in the middle of the jet water supply pipe 321, and a rim spout from the pipe switching valve 325. The rim detour water supply pipe 34 communicating with the rim 21 may be provided to discharge water from the rim water spouting port 21. In this case, a cleaning action of the inner surface of the ball 20 by water supply can be expected.

  When the creation of the measurement start water level is completed, the measurement preparation operation is completed, and in S107, the test preparation is notified to the subject by a display panel or voice synthesis. When the subject starts to urinate in S108, the water level of the stored water 23 starts to rise, and the stored water level measuring means 51 measures the water level change every minute. In S109, the sewage pressure fluctuation is calculated from the measured value, the relational expression between the stored water level and the stored water quantity stored in advance in the calibration relation storage means 621, and the sewage pressure fluctuation amount measured by the sewage pressure fluctuation measuring means 52. In consideration of the correction amount calculated by the correction means 61b, the stored water amount calculation means 61a calculates the amount of urination per unit time (hereinafter referred to as "urine flow rate") from the amount of change in the stored water every minute time. To do. What is actually calculated is the amount of change in accumulated water per unit time, but it is only urination that affects the amount of accumulated water at this time, so this amount is the amount of urination per unit time. .

  S110 is a step of recording the urine flow rate calculated every moment by the accumulated water amount calculating means 61a, and the recording operation is continued until the urination end operation by the subject is recognized in S111. In S112, the urination information calculation means 61 is a step of calculating various urination information used for medical practice from the obtained urinary flow rate measurement value, for example, the maximum urinary flow rate and the maximum urinary flow rate arrival time. Are calculated and disclosed as urination information in S113. As a disclosed method, a measured value is displayed on a remote controller 72 for a subject, printed on a paper surface by a printer 73, stored in an electronic medium, or remotely transmitted as electronic information.

  When the subject who has finished excretion operates the toilet flushing operation switch in S114, the toilet flushing operation for draining the urine-mixed water to the sewer pipe and washing the ball surface is performed as follows. That is, in S115, the rim water supply means 31 performs rim water supply for supplying water to the ball 20 to raise the accumulated water level to the overflow water level of the trap, and in S116, the water supply pump 324 of the jet water supply means 32 is operated at a high water supply rate. As a mode, the water supply operation to the ball 20 is performed and the siphon phenomenon is activated to discharge the accumulated water including the excrement to the sewer pipe, and then the rim is again supplied to clean the ball surface and the accumulated water level is The overflow water level is restored, and a series of measurement operations is completed in S118.

FIG. 5 is a timing chart showing the operation timing of each component when using the urination information measuring apparatus of the present invention described in FIG. 4 over time.
Here, the stored water level is W, the full water level at which the trap 14 is filled with the water supply is W, the water level at which the trap 14 begins to overflow is the overflow water level H, the measurement water level is Y, and the stored water is discharged. The remaining water level after this is the air level X.
If there is a subject's personal authentication operation when the overflow water level H is in a standby state, the measurement preparation operation is started and the stored water level is changed to the measurement start water level. After the subject urinates, the water level is measured, the urination information is displayed after the urination end operation of the subject performed after the urination is finished, and then the waste water mixed with excrement is discharged by the toilet flushing operation that is operated next It is shown that the accumulated water is again accumulated at the overflow water level and again enters the standby state for use. Looking at the change in the accumulated water level, the change in the accumulated water level due to the water supply from timing d and the timing n, which is the large water supply rate discharge, and the change rate of the accumulated water level due to the supply from the timing f, which is the small water supply rate discharge It is shown that there is a clear difference between them.

  Hereinafter, the urination information employed in the present embodiment, particularly the urine volume calculation algorithm will be described in detail. This concept can be used in a system that measures changes in the stored water level and calculates urination information, and is not limited to the configuration of this embodiment.

The true urination volume Q _t is not the same as the urination volume Q _m obtained by measurement due to various error factors. The amount of urination Q _m obtained by the measurement is obtained by the method (Equation 1) obtained by paying attention to the difference in the amount of accumulated water before and after urination, or the method obtained by carrying out integration by paying attention to the urinary flow rate during urination (Equation 2). There are two calculation methods. Here, R2 is the amount of retained water after the end of urination, R1 is the amount of retained water before the start of urination (measurement start water level amount of retained water), q (t) is the urine flow rate, and t is the time.

  The calculated values of (Equation 1) and (Equation 2) should be essentially the same, but in practice, they are not necessarily the same due to various measurement errors and fluctuations. This will be explained in detail below.

  When the method of (Equation 1) is used, assuming that the water level is measured with the pressure sensor shown in FIG. 3, the change in the output characteristics of the pressure sensor due to environmental temperature fluctuations and noise caused during the measurement. Will occur. In addition, when a semiconductor diaphragm type sensor is used as the pressure sensor type, drift fluctuations in which the sensor output reference level changes over time may also occur during measurement. Measurements are also affected. That is, when the method of (Equation 1) is used, urine volume information such as urination volume and urinary flow rate is obtained with only two measured values of the water level when urination starts and the water level when urination is completed. Therefore, if the above-mentioned drift fluctuation occurs during measurement, the sensor output change due to the drift fluctuation will be reflected in the measurement result of the stored water level as it is, and the apparent water level change will differ from the actual water level change. Come.

  The drift phenomenon occurs due to heat balance such as heat generated by energization of the semiconductor diaphragm, heat conduction of the pressure transmission medium, and environmental atmosphere. The drift phenomenon is being canceled by the combination of a temperature measuring element such as a thermistor and an output-temperature conversion table, but this is not perfect, and this slight drift phenomenon that could not be removed when measuring pressure fluctuations in a very small range Sometimes it cannot be ignored. More specifically, there is no effect in urinating measurement for a short time, but in the case of measurement of a subject who requires urination for 5 minutes or more, the measurement error due to the drift phenomenon cannot be ignored.

  On the other hand, in the case of (Equation 2), the equation shown in (Equation 3), which is the total sum of urination volume for each minute time interval Δt of the urination time T actually measured, is applied. Since the amount of change for each minute time Δt is used, there is no influence of drift fluctuations, but on the other hand, the amount of urination (urine flow rate) measured per unit time is always summed, so as a measurement control system If the number of AD bits of the microcomputer to be used is small, conversion errors during AD conversion may be accumulated. However, when a sufficient number of AD bits of the microcomputer can be ensured as in this embodiment, the influence of a single noise hardly affects the whole and high-precision measurement is possible.

  In addition, since there is no negative data on the urinary flow rate, it is possible to remove abnormal values by adding a decision to exclude negative data as shown in (Expression 4).

  When the method of (Equation 2) is applied and a microcomputer with a limited number of AD bits is used in order to obtain an inexpensive control configuration, truncation errors may be easily accumulated. Therefore, by adopting a configuration in which the calculation method of (Equation 1) is also adopted at the same time, the value calculated by the method of (Equation 1) is usually adopted as a measurement value, and the method of (Equation 1) and (Equation 2) are adopted. Only when there is a large difference between the calculated values by the method of (1), it is determined that a change in the measurement environment in which the error is large in the method of (Expression 1) has occurred, and the calculated value obtained by the method of (Expression 2) Measurement data verification means may be provided that adopts as a measurement result.

In addition, when a negative flow rate change that is excluded in (Equation 4) is observed, not only is it caused by an unsteady state such as a failure of the pressure sensor, but also sewage pressure fluctuations are regularly urinated. It is also expected that this is a result of problems such as clogging of equipment piping that is in a state of being added to the information measuring device. Therefore, in such a case, it can be expected to notify the equipment manager of the error information to promote maintenance management of the equipment piping and eliminate a factor that adversely affects urine volume measurement.

It is a perspective view which shows the whole urination information measuring apparatus in the 1st Example which implemented this invention. It is a block diagram which shows the structure of a present Example. It is the 1st Example which showed the structure of the toilet part 3 and the urination information measurement part 5 of the urination information measurement apparatus of this invention. It is a flowchart which shows operation | movement of the urination information measuring apparatus of this invention. It is a timing chart which shows control of the urination information measuring device of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Urination information measuring device 3 ... Toilet part 4 ... Toilet bowl 5 ... Urination information measuring part 6 ... Urine volume measuring part 7 ... Sanitary washing apparatus 7a ... Sanitary washing means 9 ... Urine component measuring part 91 ... Urine collection means 911 ... Urine collection container DESCRIPTION OF SYMBOLS 912 ... Urine collection arm 913 ... Drive / transfer part 92 ... Urine component analysis means 12 ... Apparatus water supply means 121 ... Stop cock 122 ... Constant flow valve 123 ... Open / close valve 131 ... Branch metal fitting 132 ... Branch metal fitting 14 ... Trap 141 ... Trap port DESCRIPTION OF SYMBOLS 15 ... Drain socket 16 ... Sewage piping port 171 ... Toilet seat 172 ... Toilet lid 18 ... Cabinet 20 ... Ball 21 ... Rim water outlet 22 ... Zette water outlet 23 ... Reservoir 30 ... Toilet water supply means 31 ... Rim water supply means 311 ... Rim water supply means conduit 312 ... off valve 313 ... vacuum breaker 314 ... flapper valve 32 ... jet water supply means 32a ... water reservoir means 32 b ... reservoir Conveying means 32c ... flow path branching means 321 ... jet water supply conduit 322 ... water storage tank 323 ... flap valves 324 ... Water pump 325 ... water supply path switching valve 34 ... rim bypass water supply conduit 40 ... toilet controller 41 ... toilet water Control means 50: Urine volume measuring unit 51 ... Reserved water level measuring means 51a ... Head pressure measuring means 51b ... Measurement output calibration means 511 ... Water level measuring pipe 512 ... Water head pressure measuring sensor 513 ... Opening / closing valve 514 ... Open end (water level measuring pipe) )
515 ... Water seal edge (water level measuring tube)
52 ... Sewage pressure fluctuation measuring means 521 ... Sewage pressure measuring sensor 522 ... Sewage pipe connecting pipe 53 ... Calibration related measuring means 531 ... Calibration pump 532 ... Open / close valve 541 ... Stop valve (water supply side)
542 ... Stop cock (toilet side)
543 ... One-touch fitting (water supply side)
544 ... One-touch fitting (toilet side)
545 ... One-touch fitting (sewage piping side)
55 ... Sewage pipe edge cutting means 551 ... Trap tank 57 ... Measurement pipe line 57a ... Measurement pipe line opening / closing means 571 ... Open / close valve 581 ... Urine volume measuring section water supply pipe line 582 ... Open / close valve 60 ... Measurement control section 61 ... Calculation of urine volume information Means 61a ... Reserved water amount calculation means 61b ... Sewage pressure fluctuation correction means 62 ... Measurement information storage means 621 ... Calibration related storage means 63 ... Measurement start water level formation control means 70 ... Operation / display part 71 ... Remote control (for toilet part)
72. Remote control (for urination information measuring unit)
73 ... Printer 80 ... Linking operation control means 81 ... Relay board 82a ... Status display means (for toilet unit)
82b ... Status receiving means (for toilet unit)
83a ... Status display means (for urine volume measuring section)
83b ... Status receiving means (for urine volume measuring section)
R1 ... Measurement start water level amount of water (amount of water collected before urination)
R2 ... Remaining urine volume q ... Urine flow rate q (t) ... Urine flow rate at time t Qm ... Measured urine output Qt ... True urine output t ... Time W ... Full water level H ... Overflow water level X ... Empty Water level Y ... Starting measurement water level Z ... Water level after urination

Claims (2)

A ball that stores water as a reservoir and receives the excrement of the subject,
A trap line that connects the ball to a sewage pipe and forms a sealed water in which the accumulated water blocks air flow with the sewage pipe;
Water supply that branches water from a water source into a rim water supply pipe that goes to a rim water outlet provided at the upper edge of the ball and a jet water pipe that goes to a jet water outlet provided in the lower part of the ball Branching means;
A water supply and storage means for storing water supplied from a water source , provided in the jet water supply line ;
Reserved water transfer means for transferring the stored water stored in the water supply storage means into the ball by an electric driving force;
A measurement start water level forming means for forming the water level of the stored water at a measurement start water level which is a water level for starting measurement;
A stored water level measuring means for measuring the level of the stored water;
Urine information calculating means for obtaining the excretion amount of the excrement based on the water level value obtained by measuring the water level of the accumulated water that changes from the measurement start water level by the excrement of the subject by the stored water level measurement means, In the urination information measuring device,
The stored water transport means can change the water supply rate, which is the amount of water to be transported per unit time,
The measurement start water level forming means, a first transfer control mode for controlling the operation of the stored water transfer means to the water supply rate at a level at which the water stored in the ball can be discharged out of the trap pipe by siphon phenomenon, A second transfer control mode for controlling the operation of the stored water transfer means to the water supply rate at a level capable of forming water in the ball, and a measurement start water level formation control means having a second transfer control mode.
The measurement start water level is formed by executing the second transfer control mode after executing the first transfer control mode and discharging the accumulated water in the ball to the outside of the trap pipe. Urination information measuring device.   2. The urination information measuring device according to claim 1, wherein the measurement start water level is a predetermined water level that is higher than a break water level of the trap pipe and lower than an overflow water level.

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