CN115234697B - Electromagnetic pulse valve - Google Patents
Electromagnetic pulse valve Download PDFInfo
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- CN115234697B CN115234697B CN202210959818.0A CN202210959818A CN115234697B CN 115234697 B CN115234697 B CN 115234697B CN 202210959818 A CN202210959818 A CN 202210959818A CN 115234697 B CN115234697 B CN 115234697B
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- pulse valve
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- diaphragm
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/0041—Electrical or magnetic means for measuring valve parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The application discloses an electromagnetic pulse valve, which comprises a diaphragm assembly and an electronic module, wherein the diaphragm assembly comprises a diaphragm and a flexible sensor for acquiring monitoring data, and the diaphragm is connected with the flexible sensor in a coupling way, wherein the monitoring data are used for acquiring the working state of the electromagnetic pulse valve; the electronic module is arranged on the valve cover, the inner end of the electronic module is communicated with the flexible sensor, and the outer end of the electronic module is communicated with the upper computer so as to transmit the monitoring data to the upper computer. The flexible sensor has the advantages of high sensitivity, quick response and the like, is coupled to the diaphragm and used for measuring monitoring data related to the running condition of the electromagnetic pulse valve, and the electronic module is arranged for processing the monitoring data acquired by the flexible sensor, so that the technical problem that the running condition of the electromagnetic pulse valve is not accurate enough due to poor measuring precision and response time of the sensor because the electromagnetic pulse valve is arranged to acquire the running condition of the electromagnetic pulse valve in the prior art is effectively solved.
Description
Technical Field
The application relates to the technical field of pulse valves, in particular to an intelligent electromagnetic pulse valve.
Background
As shown in fig. 1, the electromagnetic pulse valve 100a is a generating device of the ash removing air source of the pulse blowing bag type dust collector, and forms an ash removing blowing system with a pulse blowing controller at the far end. The outside of the electromagnetic pulse valve 100a is sleeved with a gas distribution box 200a, the electromagnetic pulse valve 100a is connected with one end of a connecting pipe, the other end of the connecting pipe passes through the gas distribution box 200a to be connected with one end of a blowing pipe 400a, the other end of the blowing pipe 400a passes through a dust collector box body 600a, and the blowing pipe 400a is connected with the dust collector box body 600a through a box wall connector 700 a. The bottom of the blowing pipe 400a is provided with a plurality of nozzles 500a, and a filter bag 300a is provided under each nozzle 500a, respectively, and the arrow on the left side in fig. 1 is the entering direction of the dust-containing gas, and the arrow on the right side is the exiting direction of the purge gas. The electromagnetic pulse valve is controlled by the output electric signal of the pulse blowing controller at the far end, the compressed gas is blown to clean the filter bag, and the dust collected on the dust facing surface of the filter bag is peeled off, so that the dust remover operates within a set resistance range, and the particles in the exhaust gas reach the standard of environmental protection.
As shown in fig. 2 and 3, the conventional electromagnetic pulse valve 100a mainly comprises a valve cover 119a, a valve body 118a, and a main diaphragm 101a. The valve cover 119a, the main diaphragm 101a and the valve body 118a are fixed by a first bolt 116a, and the flange on the valve body 118a is fixed by a second bolt 117a to the gas distribution box (gas bag) 200a, and the gas outlet 109a is connected to the valve body 118 a. The main diaphragm 101a is connected with the valve body 118a through a third compression spring 115a, the auxiliary diaphragm 104a is connected with the valve body 118a through a second compression spring 114a, and a first compression spring 113a is sleeved outside the armature 110 a.
The electromagnetic pulse valve 100a operates on the principle shown in fig. 2: the main diaphragm 101a divides the air chamber of the electromagnetic pulse valve into a first front air chamber 102a and a first rear air chamber 103a, the auxiliary diaphragm 104a divides the small air chamber into a second front air chamber 105a and a second rear air chamber 106a, when the electromagnetic pulse valve is connected with the air dividing box 200a, compressed air (the arrow direction in fig. 2 and 3 is the flowing direction of the compressed air) enters the first rear air chamber 103a and the second rear air chamber 106a respectively through the first throttling hole 107a and the second throttling hole 108a, and the pressure of the first rear air chamber 103a enables the main diaphragm 101a to be closely attached to the air outlet 109a due to the fact that the second air discharging hole 111a and the first air discharging hole 112a are plugged, and the electromagnetic pulse valve 100a is in a closed state.
The electrical signal of the remote pulse controller is applied to the coil to move the armature 110a of the submerged electromagnetic pulse valve, the second air release hole 111a is opened, the second rear air chamber 106a is rapidly depressurized, the auxiliary diaphragm 104a is moved backward, the first air release hole 112a is opened, the first rear air chamber 103a is rapidly depressurized, the pressure of the first front air chamber 102a moves the main diaphragm 101a backward, compressed air is blown through the air outlet 109a, and the electromagnetic pulse valve 100a is in an "open" state as shown in fig. 3.
The electrical signal of the pulse blowing controller disappears, the armature 110a of the submerged electromagnetic pulse valve is reset, the second air release hole 111a is blocked, the auxiliary diaphragm 104a moves forward, the first air release hole 112a is blocked, the pressure of the first rear air chamber 103a rises, the main diaphragm 101a is tightly attached to the air outlet 109a, and the electromagnetic pulse valve 100a is in a closed state as shown in fig. 2.
In the related art, the real-time operation condition of the electromagnetic pulse valve is known by providing a sensor or the like in the electromagnetic pulse. For example, the intelligent electromagnetic pulse valve in the patent CN111350864a is provided with a humidity sensor at the air inlet 125a, pressure sensors in the air inlet 125a, the air outlet 109a, the first rear air chamber 103a and the second rear air chamber 106a, a temperature sensor is provided on the coil, an electric signal sensor is provided on the coil power supply circuit, and fault diagnosis results and early warning signals are given by analyzing and processing data collected by the sensors, so that real-time monitoring of the operation state of the electromagnetic pulse valve is realized.
However, the inventor finds that in the process of realizing the technical scheme of the application: the traditional pressure, temperature and other sensors have poorer measurement precision and response time, meanwhile, the switching of the running condition of the electromagnetic pulse valve is triggered by the main diaphragm 101a, and the traditional pressure, temperature and other sensors have a set position far away from the main diaphragm 101a, which further leads to poorer measurement precision and response time.
Therefore, the above prior art has at least the following technical problems: in the prior art, the electromagnetic pulse valve acquires the running state by arranging the sensor, and the accuracy of the acquired running state of the electromagnetic pulse valve is insufficient due to the poor measuring precision and response time of the sensor.
Disclosure of Invention
The embodiment of the application solves the technical problem that the electromagnetic pulse valve in the prior art is insufficient in accuracy in running state due to poor measuring accuracy and response time of a sensor by arranging the sensor to acquire the running state.
In order to solve the above technical problems, an embodiment of the present application provides an electromagnetic pulse valve, including:
the diaphragm assembly comprises a diaphragm and a flexible sensor for acquiring monitoring data, and the diaphragm is coupled with the flexible sensor, wherein the monitoring data are used for acquiring the working state of the electromagnetic pulse valve;
the electronic module is arranged on the valve cover, the inner end of the electronic module is in communication connection with the flexible sensor, and the outer end of the electronic module is in communication connection with the upper computer so as to transmit the monitoring data to the upper computer.
Further, the diaphragm assembly further comprises a first fixing plate and a second fixing plate which are respectively arranged on the upper end face and the lower end face of the diaphragm, and the flexible sensor is arranged on the first fixing plate or the second fixing plate.
Further, the second fixing plate is coated with a soft cladding layer, and the flexible sensor is clamped between the second fixing plate and the soft cladding layer.
Further, the flexible sensor is connected with the electronic module through a wire, a mounting groove for mounting the flexible sensor and a wire groove for mounting the wire are formed in the second fixing plate, the wire groove is communicated with the mounting groove, and a through hole for the wire to pass through the second fixing plate is formed in the bottom of the wire groove;
the flexible sensor is embedded in the mounting groove, the lead is embedded in the lead groove, one end of the lead is connected with the flexible sensor, and the other end of the lead passes through a through hole in the lead groove, the soft cladding layer and the diaphragm and is connected with the electronic module.
Further, a containing cavity for containing and installing the electronic module is formed in the valve cover, the electronic module is arranged in the containing cavity, and a positioning device of the electronic module is arranged in the containing cavity.
Further, the outer end of the electronic module is connected with an external lead wire for transmitting the monitoring data to an upper computer outside the electromagnetic pulse valve; the valve cover is provided with a through hole for the external lead to pass through, the accommodating cavity is communicated with the through hole, and the external lead passes through the valve cover through the through hole and extends outwards of the valve cover so as to be connected with the upper computer.
Further, the positioning device comprises a first step groove and a second step groove which are arranged in the accommodating cavity, and the first step groove and the second step groove are oppositely arranged so as to clamp two side edges of the electronic module from two opposite sides, so that the electronic module is positioned in the accommodating cavity.
Further, the inner wall of the accommodating cavity has at least one plane, the electronic module is disposed along the plane, and the first step groove and the second step groove are disposed on two sides of the plane, so as to clamp the electronic module from two sides
Further, a gap is formed between the accommodating cavity and the electronic module, a sealing piece which is formed by glue injection and seals the electronic module in the accommodating cavity is formed in the gap, and the sealing piece is connected with the accommodating cavity and the electronic module into a whole, so that the electronic module is fixed in the accommodating cavity in a sealing way.
Further, a waterproof plug is arranged between the through hole and the external lead in a sealing manner.
Further, the sealing element is formed by epoxy resin through vacuum glue injection.
Further, the soft cladding is a cladding formed by vulcanizing rubber on the second fixing plate.
Further, the flexible sensor is disposed between the lower end surface of the second fixing plate and the soft cladding.
Further, the flexible sensor is annular, and the mounting groove is an annular groove coaxially arranged with the second fixing plate.
Further, the electronic module includes:
the signal conversion unit is used for converting the data acquired by the sensor into an electric signal, and the signal conversion unit is connected with the sensor in the electromagnetic pulse valve;
the signal conditioning unit is used for amplifying and filtering the electric signals and is connected with the signal conversion unit;
the analog-to-digital conversion module unit is used for converting the electric signal processed by the signal conditioning unit into a digital signal, and is connected with the signal conditioning unit;
the MCU operation analysis unit is used for carrying out data analysis and processing on the digital signals and is connected with the analog-to-digital conversion module unit;
the output driving unit is used for performing signal type conversion or power amplification treatment before transmission on the signals processed by the MCU operation analysis unit, and is connected with the MCU operation analysis unit;
and the signal output unit is used for transmitting the signals processed by the output driving unit to the upper computer, and the signal output unit is respectively connected with the output driving unit and the upper computer.
Further, the monitoring data is one or a combination of several of temperature, pressure and humidity, and the flexible sensor is one or a combination of several of temperature, pressure and humidity sensors.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
(1) The flexible sensor has the advantages of high sensitivity, quick response and the like, and is used for measuring monitoring data related to the operation condition of the electromagnetic pulse valve, so that the flexible sensor has high sensitivity and quick response; meanwhile, the flexible sensor is coupled to the diaphragm, and as the switching of the running condition of the electromagnetic pulse valve is triggered by the diaphragm, the response of the flexible sensor is faster and the sensitivity is higher; in addition, the monitoring data acquired by the flexible sensor is processed through the electronic module, so that the monitoring data is conveniently transmitted to the upper computer, the problem that the acquired electromagnetic pulse valve is insufficient in accuracy due to poor sensor measurement accuracy and response time due to the fact that the electromagnetic pulse valve is in an operation state acquired through the sensor in the prior art is effectively solved, and the beneficial effect that the acquired electromagnetic pulse valve is high in operation state accuracy is achieved.
(2) The membrane is easy to age, and after long-term use, the problem of elasticity reduction and even cracking can occur, and the membrane is a key component of the electromagnetic pulse valve and directly influences the performance of the electromagnetic pulse valve, so that the condition of the membrane is mastered in time to play an important role. According to the embodiment of the application, the flexible sensor is coupled to the diaphragm, the change of the pressure data detected by the flexible sensor can reflect whether the diaphragm is aged or damaged, and the data such as pressure, temperature, humidity and the like detected by the flexible sensor can reflect the working environment near the diaphragm, so that the state and the service life of the diaphragm can be evaluated or predicted.
(3) Through setting up electronic module on the valve gap, not only be convenient for link to each other with the flexible sensor in the electromagnetic pulse valve, be convenient for again with the connection of external host computer, the practicality is very strong, has realized convenient to connect, orderly beneficial effect.
(4) The flexible sensor is clamped between the second fixed plate and the soft cladding, the soft cladding is soft and easy to deform due to pressure change, the second fixed plate is hard, and deformation is not easy to occur in the process of changing the gas pressure in the electromagnetic pulse valve. One surface of the flexible sensor is abutted against the soft cladding layer, and the other surface of the flexible sensor is abutted against the hard second fixing plate, so that the gas pressure in the electromagnetic pulse valve can be accurately measured, and the measuring accuracy is improved.
(5) The data detected by the flexible sensor is connected with an upper computer outside the electromagnetic pulse valve through the electronic module so as to conveniently transmit the data to the upper computer, the upper computer can analyze and process the received monitoring data and give out fault diagnosis results and early warning signals, and therefore real-time monitoring and intelligent obstacle removal of the running state of the electromagnetic pulse valve can be achieved.
(6) The electronic module can process the data acquired by the sensor, so that the data can be conveniently transmitted to the upper computer.
(7) The valve cover is internally provided with a containing cavity for containing and installing the electronic module, the valve cover is provided with a through hole for the external lead to penetrate through, the containing cavity is communicated with the through hole, the electronic module is installed in the containing cavity, and the external lead penetrates through the through hole and extends outwards of the valve cover, so that the electronic module is effectively installed in the valve cover.
(8) The inner wall of holding the chamber has a plane at least, and electronic module is along this plane setting, and first step groove and second step groove set up respectively in this planar both sides to block from both sides electronic module, this plane can guide electronic module installation and can support electronic module for electronic module's installation is very convenient and reliable.
(9) After the electronic module is installed in the accommodating cavity, a vacuum glue injection process is adopted to inject glue to the electronic module, so that a sealing piece is formed, the accommodating cavity and the electronic module are connected into a whole by the sealing piece, the integration of the electronic module and the valve cover is realized, and the electronic module is well sealed, so that the electronic module is protected.
(10) The waterproof plug is arranged between the through hole and the external lead in a sealing way, so that water can be effectively prevented from entering the accommodating cavity through the through hole, and the electronic module is protected.
Drawings
FIG. 1 is a schematic view of a prior art pulse-jet baghouse;
FIG. 2 is a schematic diagram of a prior art submerged solenoid valve (closed state);
FIG. 3 is a schematic diagram of a prior art submerged solenoid valve (open state);
FIG. 4 is a schematic diagram of an electromagnetic pulse valve according to an embodiment of the present application (open state);
FIG. 5 is a schematic illustration of an electromagnetic pulse valve according to an embodiment of the present application (closed state);
FIG. 6 is a schematic illustration of a diaphragm assembly of an electromagnetic pulse valve according to an embodiment of the present application;
fig. 7 is a cross-sectional view of a diaphragm assembly of an electromagnetic pulse valve in accordance with an embodiment of the present application.
FIG. 8 is a schematic illustration of a second mounting plate with a flexible sensor mounted thereon for a diaphragm assembly of an electromagnetic pulse valve in accordance with an embodiment of the present application;
FIG. 9 is a schematic illustration of a second mounting plate of a diaphragm assembly of an electromagnetic pulse valve according to an embodiment of the present application;
FIG. 10 is a schematic diagram of a flexible sensor of a diaphragm assembly of an electromagnetic pulse valve in accordance with an embodiment of the present application;
FIG. 11 is a schematic illustration showing a configuration of a flexible sensor of a diaphragm assembly of an electromagnetic pulse valve mated with a second fixed plate according to an embodiment of the present application;
FIG. 12 is a schematic diagram showing a second configuration of a flexible sensor of a diaphragm assembly of an electromagnetic pulse valve mated with a second fixed plate according to an embodiment of the present application;
FIG. 13 is a cross-sectional view of a valve cover of an electromagnetic pulse valve in accordance with an embodiment of the present application;
FIG. 14 is a block diagram of an electronic module in an embodiment of the application;
FIG. 15 is a bottom view of a valve cover of an electromagnetic pulse valve in accordance with an embodiment of the present application;
FIG. 16 is a schematic diagram showing the cooperation of the housing cavity on the valve cover and the electronic module of an electromagnetic pulse valve according to an embodiment of the present application;
fig. 17 is a schematic diagram showing the cooperation of the electronic module, the accommodating cavity and the sealing member on the valve cover of the electromagnetic pulse valve according to an embodiment of the present application.
Detailed Description
The embodiment of the application solves the technical problem that the electromagnetic pulse valve in the prior art is insufficient in accuracy in running state due to poor measuring accuracy and response time of a sensor by arranging the sensor to acquire the running state.
In order to solve the technical problems, the technical scheme provided by the application has the following general ideas:
the flexible sensor has the advantages of high sensitivity, quick response and the like, and is used for measuring monitoring data related to the operation condition of the electromagnetic pulse valve, so that the flexible sensor has high sensitivity and quick response; meanwhile, the flexible sensor is coupled to the diaphragm, and as the switching of the running condition of the electromagnetic pulse valve is triggered by the diaphragm, the response of the flexible sensor is faster and the sensitivity is higher; in addition, the monitoring data acquired by the flexible sensor is processed through the electronic module, so that the monitoring data is conveniently transmitted to the upper computer, the problem that the acquired electromagnetic pulse valve is insufficient in accuracy due to poor sensor measurement accuracy and response time due to the fact that the electromagnetic pulse valve is in an operation state acquired through the sensor in the prior art is effectively solved, and the beneficial effect that the acquired electromagnetic pulse valve is high in operation state accuracy is achieved.
The membrane is easy to age, and after long-term use, the problem of elasticity reduction and even cracking can occur, and the membrane is a key component of the electromagnetic pulse valve and directly influences the performance of the electromagnetic pulse valve, so that the condition of the membrane is mastered in time to play an important role. According to the embodiment of the application, the flexible sensor is coupled to the diaphragm, the change of the pressure data detected by the flexible sensor can reflect whether the diaphragm is aged or damaged, and the data such as pressure, temperature, humidity and the like detected by the flexible sensor can reflect the working environment near the diaphragm, so that the state and the service life of the diaphragm can be evaluated or predicted.
Through setting up electronic module on the valve gap, not only be convenient for link to each other with the flexible sensor in the electromagnetic pulse valve, be convenient for again with the connection of external host computer, the practicality is very strong, has realized convenient to connect, orderly beneficial effect.
The flexible sensor is connected with an upper computer outside the electromagnetic pulse valve through the electronic module so as to conveniently transmit monitoring data to the upper computer, the upper computer can analyze and process the received data and give out fault diagnosis results and early warning signals, and therefore real-time monitoring and intelligent obstacle removal of the running state of the electromagnetic pulse valve can be achieved.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Fig. 4 is a schematic structural view (open state) of an electromagnetic pulse valve according to an embodiment of the present application, and fig. 5 is a schematic structural view (closed state) of an electromagnetic pulse valve according to an embodiment of the present application. As shown in fig. 4 and 5, the electromagnetic pulse valve includes a valve body 118 and a valve cover 119 provided on the valve body 118 for sealing the valve body 118. The valve body 118 is internally provided with a diaphragm assembly, and the diaphragm assembly is used for sealing and isolating the air inlet 125 and the air outlet 109 in the electromagnetic pulse valve, so that the electromagnetic pulse valve can realize a switching action.
As shown in fig. 6 and 7, the diaphragm assembly includes a diaphragm 212 and a flexible sensor 311 for acquiring monitoring data, and the diaphragm 212 and the flexible sensor 311 are coupled, where the monitoring data is used to acquire the working state of the electromagnetic pulse valve;
as shown in fig. 4 and 5, the valve cover 119 is provided with an electronic module 410, an inner end of the electronic module 410 is communicatively connected with the flexible sensor 311, and an outer end of the electronic module 410 is communicatively connected with the upper computer 700, so as to transmit the monitoring data to the upper computer 700.
The flexible sensor 311 is a sensor made of flexible material, and has good flexibility, ductility, bending property and the like, and the flexible sensor 311 can be arranged randomly according to application scenes due to flexible materials and structures. The flexible sensor 311 may be classified into a flexible resistive sensor, a flexible capacitive sensor, a flexible piezoelectric sensor, a flexible inductive sensor, and the like, as distinguished from the sensing mechanism.
In a specific implementation, the flexible resistive sensor is generally formed by placing a resistive layer, a short-circuit layer, a flexible contact and an electrode capable of collecting sensing information on a substrate, for example, the flexible resistive pressure sensor is generally formed by overlapping the short-circuit layer and the resistive layer under the action of pressure, so that the resistance of a system circuit is changed, and then a pressure value is obtained. Unlike flexible resistive sensors, which change resistance by changing the size of the contact surface to obtain measurement data, flexible capacitive sensors generally employ a parallel plate capacitance-based device, which changes the capacitance of the sensor by changing the distance between the plate capacitors. Taking a pressure sensor as an example, the distance between the plate capacitors is reduced by applying pressure from the outside, so that measurement data are obtained. The flexible inductance sensor realizes data measurement by utilizing the self inductance of a coil or the change of mutual inductance coefficient. A flexible piezoelectric sensor is one in which the dielectric material is polarized internally when subjected to external forces in a particular direction, resulting in opposite charges on its opposite surfaces, which differential can be used for measurement.
The flexible sensor 311 includes a substrate and a conductive material, the flexible sensor 311 is made of a flexible substrate, and the material is generally required to be light, thin, transparent, stretchable, bendable, corrosion-resistant, and the like, and Polydimethylsiloxane (PDMS) is a relatively common flexible substrate material, so that the flexible sensor has the characteristics described above, is easy to obtain, and has stable chemical properties.
The conductive material of the flexible sensor 311, that is, the metal material is mainly used for manufacturing electrodes and wires, and in general, the flexible sensor 311 does not use common metal, but adopts nano particles or nano wires of metal, and the material has better conductivity and is easy to realize as a film.
The flexible sensor 311 is classified into a pressure flexible sensor, a gas flexible sensor, a humidity flexible sensor, a temperature flexible sensor, a strain flexible sensor, a magneto-impedance flexible sensor, a heat flow flexible sensor, and the like according to the purpose, and of course, the purpose may be combined.
That is, the flexible sensor 311 having a corresponding function may be selected according to the kind of the required monitoring data, which is one or a combination of several of the temperature, pressure, humidity of the gas in the solenoid valve for the embodiment of the present application. For example, in one embodiment, pressure data is required, and a flexible pressure sensor is used, and changes in the pressure data measured by the flexible pressure sensor reflect the "opening" of the diaphragm 212 as it moves, thereby acquiring the operating state of the electromagnetic pulse. In another embodiment, pressure data and temperature data are needed, and the pressure data and the temperature data measured by the pressure and temperature flexible sensors are used for reflecting the running state of electromagnetic pulses.
It should be noted that, related technologies of the flexible sensor 311 have been widely disclosed, and reference is made to the related technologies for the working principle of the flexible sensor 311 and the related arrangement of the flexible sensor 311, which are not described herein.
The host computer 700 may be an industrial personal computer (e.g., with a pulse-jet controller), a personal computer, a notebook computer, a smart phone, a tablet computer, an internet of things device, and a portable wearable device, wherein: the internet of things equipment can be intelligent sound boxes, intelligent televisions, intelligent air conditioners, intelligent vehicle-mounted equipment and the like; the portable wearable device may be a smart watch, smart bracelet, headset, or the like.
The electronic module 410 can process the monitoring data collected by the sensor, so that the upper computer 700 can receive the monitoring data conveniently, the upper computer 700 can analyze and process the received monitoring data, and give out fault diagnosis results and early warning signals, so that the follow-up real-time monitoring and intelligent obstacle removal of the running state of the electromagnetic pulse valve can be realized conveniently. Of course, the operation state of the electromagnetic pulse valve obtained according to the data such as the pressure, the temperature, the humidity, etc. belongs to the known technology in the art, and does not belong to the scope to be protected in the embodiment of the present application, and is not described herein.
In summary, since the flexible sensor 311 has the advantages of high sensitivity, quick response, and the like, the flexible sensor 311 is used for measuring the monitoring data related to the operation condition of the electromagnetic pulse valve, and has high sensitivity and quick response. Meanwhile, the flexible sensor 311 is coupled to the diaphragm 212, and as the switching of the running condition of the electromagnetic pulse valve is triggered by the diaphragm 212, the response of the flexible sensor 311 is faster and the sensitivity is higher; meanwhile, the electronic module is arranged to process the monitoring data acquired by the flexible sensor 311, so that the monitoring data is conveniently transmitted to the upper computer 700, the problem that in the prior art, the electromagnetic pulse valve is in an operation state through the arrangement of the sensor is effectively solved, the acquired electromagnetic pulse valve operation state is insufficient in accuracy due to poor sensor measurement accuracy and response time is solved, and the beneficial effect of high accuracy of the acquired electromagnetic pulse valve operation state is realized.
In addition, the diaphragm 212 is made of soft material, for example, made of rubber material, which is easy to age, and after long-term use, the problem of elasticity reduction and even cracking occurs, while the diaphragm 212 is a key component of the electromagnetic pulse valve, which directly affects the performance of the electromagnetic pulse valve, so that it is important to grasp the state of the diaphragm 212 in time. According to the embodiment of the application, the flexible sensor 311 is coupled to the diaphragm 212, so that the change of pressure data detected by the flexible sensor 311 can reflect whether the diaphragm 212 is aged or damaged, and the data such as pressure, temperature, humidity and the like detected by the flexible sensor 311 can reflect the working environment near the diaphragm 212, thereby being beneficial to evaluating or predicting the state and service life of the diaphragm 212.
In addition, the electronic module 410 is arranged on the valve cover 119, so that the flexible sensor 311 in the electromagnetic pulse valve is conveniently connected with the external upper computer 700, the practicability is high, and the beneficial effects of convenience and order in connection are realized.
In an embodiment of the present application, as shown in fig. 6 and 7, the diaphragm assembly further includes a first fixing plate 211 and a second fixing plate 213 respectively disposed on upper and lower end surfaces of the diaphragm 212, and the flexible sensor 311 may be disposed on the first fixing plate 211 or the second fixing plate 213. As shown in fig. 4, when the electromagnetic pulse valve is "on", compressed gas is blown through the gas outlet 109, and the pressure is large. As shown in fig. 5, the electromagnetic pulse valve is in the "off" state, the air outlet 109 is disconnected, and the pressure is small. Since the second fixing plate 213 faces the air outlet 109, and the flexible sensor 311 is disposed on the second fixing plate 213, the pressure change of the air outlet 109 can be timely and accurately obtained, so as to accurately determine the operation state of the electromagnetic pulse valve, so that the flexible sensor 311 is preferably disposed on the second fixing plate 213.
In an embodiment of the present application, the second fixing plate 213 is coated with a soft cladding 214, and the flexible sensor 311 is sandwiched between the second fixing plate 213 and the soft cladding 214.
Specifically, the first fixing plate 211 and the second fixing plate 213 are both metal plates, for example, stainless steel plates. The soft cladding 214 is a cladding layer formed by vulcanizing rubber on the second fixing plate 213. Vulcanization is also known as crosslinking and curing. Adding cross-linking assistant such as vulcanizing agent and accelerator into rubber, and converting linear macromolecules into three-dimensional network structure under certain temperature and pressure. Since sulfur was used at the earliest to achieve crosslinking of natural rubber, it is called vulcanization. It should be noted that, related technologies of vulcanization are widely disclosed, and reference is made to the related technologies of vulcanization, which are not described herein in detail.
The soft cladding 214 is soft and is easily deformed by pressure change, and the second fixing plate 213 is hard and is not easily deformed during the change of the gas pressure in the electromagnetic pulse valve. One surface of the flexible sensor 311 is abutted against the soft cladding 214, and the other surface is abutted against the hard second fixing plate 213, so that the gas pressure in the electromagnetic pulse valve can be accurately measured, and the measurement accuracy is improved. Therefore, the flexible sensor 311 is provided therein, and the practicability and accuracy are high.
In another embodiment of the present application, as shown in fig. 6 and 7, the flexible sensor 311 is disposed between the lower end surface of the second fixing plate 213 and the soft cladding 214, and the lower end surface of the second fixing plate 213 directly faces the air outlet 109a, so that the pressure change of the air outlet 109 can be obtained more timely and more accurately, so as to more accurately determine the operation state of the electromagnetic pulse valve.
Further, the flexible sensor 311 may be communicatively connected to the electronic module 410 by a wireless connection or a wired connection, and the electronic module 410 may be communicatively connected to the host computer 700 by a wireless connection or a wired connection, so as to send the monitoring data collected by the flexible sensor 311 to the host computer 700.
For example, in one embodiment of the present application, the flexible sensor 311 is wirelessly connected to the electronic module 410 through microwave transmission or network transmission, and the electronic module 410 is wirelessly connected to the host computer 700 through microwave transmission or network transmission.
For another example, in another implementation of the present application, the flexible sensor 311 is connected to the electronic module 410 by a wire, and the electronic module 410 is connected to the upper computer 700 by an external lead 420. As shown in fig. 4, 5, 7, 8, and 10, the flexible sensor 311 is connected to a wire 312 for outputting the monitoring data to the electronic module 410. One end of the wire 312 is in signal connection with the flexible sensor 311, and the other end of the wire 312 sequentially passes through the second fixing plate 213, the soft cladding 214 and the membrane 212 and is connected with the electronic module 410, and data detected by the flexible sensor 311 is transmitted to the electronic module 410 through the wire 312. The outer end of the electronic module 410 is connected with an external lead 420 for transmitting the monitoring data to the upper computer 700 outside the electromagnetic pulse valve, and the external lead 420 passes through the valve cover 119 and extends outside the valve cover 119 so as to be connected with the upper computer 700.
Further, as shown in fig. 9, the second fixing plate 213 is provided with a mounting groove 217 for mounting the flexible sensor 311, a wire groove 215 for mounting the wire 312 is provided on the lower end surface of the second fixing plate 213, and a through hole 216 through which the wire 312 passes is provided at the bottom of the wire groove 215. The flexible sensor 311 is disposed in the mounting slot 217, and one end of the wire 312 is connected to the flexible sensor 311, and the other end passes through the through hole 216 on the wire slot 215 and is connected to the electronic module 410, as shown in fig. 11 and 12.
Specifically, the flexible sensor 311 is embedded in the mounting groove 217, and a wire 312 on one side passes through the lead groove 215. For example, in one embodiment of the present application, the first fixing plate 211 and the second fixing plate 213 are circular plates coaxially disposed with the diaphragm 212, the mounting groove 217 is a ring groove coaxially formed in the second fixing plate 213, and the flexible sensor 311 is in a ring shape matching with the ring groove. The lead groove 215 extends along one virtual diameter direction of the second fixing plate 213, and the bottom of the lead groove 215 is provided with the through hole 216 at one end near the center of the second fixing plate 213, as shown in fig. 9.
As shown in fig. 13, the electronic module 41 is disposed in the valve cover 119, as shown in fig. 14, the electronic module 410 includes a signal conversion unit 411, a signal conditioning unit 412, an analog-to-digital conversion module unit 413, an MCU (Microcontroller Unit, micro control unit) operation analysis unit 414, an output driving unit 415, and a signal output unit 416, which are sequentially connected, wherein:
the signal conversion unit 411 is connected with a sensor in the electromagnetic pulse valve and is used for converting data acquired by the sensor into an electric signal; specifically, the signal conversion unit 411 generally converts signals such as resistance, capacitance, inductance, and the like into voltage signals, so that the signals can be conditioned.
A signal conditioning unit 412, configured to amplify and filter the electrical signal to filter the invalid interference signal;
an analog-to-digital conversion module 413 for converting the electrical signal processed by the signal conditioning unit 412 into a digital signal for computer analysis;
the MCU operation analysis unit 414 is used for performing data analysis and processing on the digital signals;
an output driving unit 415 for performing signal type conversion or power amplification processing before transmission on the signal processed by the MCU operation analysis unit 414, so as to be able to transmit to the upper computer 700; specifically, the signals are generally transmitted to the upper computer 700 in the form of wired transmission or wireless transmission such as analog, digital, etc.
Signal output unit 416: is in signal connection with the upper computer 700, and is used for transmitting the signal processed by the output driving unit 415 to the upper computer 700.
In another embodiment of the present application, as shown in fig. 5, the electronic module 410 further includes:
and the storage unit 418 is connected to the MCU operation analysis unit 414, and is used for storing parameter configuration, log, and the like.
The power management unit 417 has one end connected to a power supply, and the other end connected to the signal conversion unit 411, the signal conditioning unit 412, the analog-to-digital conversion module unit 413, the MCU operation analysis unit 414, the output driving unit 415, the signal output unit 416, and the storage unit 418, respectively, to adjust the power supply and supply power to the signal conversion unit 411, the signal conditioning unit 412, the analog-to-digital conversion module unit 413, the MCU operation analysis unit 414, the output driving unit 415, the signal output unit 416, and the storage unit 418.
It should be noted that, related technologies of the signal conversion unit 411, the signal conditioning unit 412, the analog-to-digital conversion module unit 413, the MCU operation analysis unit 414, the output driving unit 415, the signal output unit 416, the power management unit 417 and the storage unit 418 are widely disclosed, and reference is made to the related technologies for the respective working principles, specific structures and implementation manners, and specific structures and implementation manners of the signal conversion unit 411, the signal conditioning unit 412, the analog-to-digital conversion module unit 413, the MCU operation analysis unit 414, the output driving unit 415, the signal output unit 416, the power management unit 417 and the storage unit 418 are not in the scope of the embodiments of the present application, and are not described herein.
Specifically, the electronic module 410 may process data collected by the sensor, so as to facilitate transmission to the upper computer 700, and the upper computer 700 may analyze and process the received data, and give out a fault diagnosis result and an early warning signal, so as to facilitate subsequent real-time monitoring and intelligent obstacle avoidance for the running state of the electromagnetic pulse valve. Of course, the operation state of the electromagnetic pulse valve obtained according to the data such as the pressure, the temperature, the humidity, etc. belongs to the known technology in the art, and does not belong to the scope to be protected in the embodiment of the present application, and is not described herein.
In an embodiment of the present application, as shown in fig. 15, a receiving cavity 510 for receiving and mounting the electronic module 410 is formed in the valve cover 119, a through hole 520 through which the external lead 420 passes is formed in the valve cover 119, and the receiving cavity 510 communicates with the through hole 520, thereby achieving efficient mounting of the electronic module 410 on the valve cover 119.
Specifically, the accommodating cavity 510 is near the center of the valve cover 119, the electronic module 410 is disposed in the accommodating cavity 510, and the external lead 420 passes through the through hole 520 and extends out of the valve cover 119, so as to be connected with the upper computer 700, as shown in fig. 13.
In an embodiment of the present application, as shown in fig. 15 and 16, the accommodating cavity 510 is provided with a positioning device of the electronic module 410, so as to define an installation position of the electronic module 410.
Further, the positioning means includes a first stepped groove 531 and a second stepped groove 532 provided on the inner wall of the accommodating chamber 510, the first stepped groove 531 and the second stepped groove 532 are disposed opposite to each other, and the first stepped groove 531 and the second stepped groove 532 extend up and down in the height direction of the accommodating chamber 510 to clamp both sides of the electronic module 410 from opposite sides, thereby guiding the installation of the electronic module 410 and achieving the positioning of the electronic module 410 in the accommodating chamber 510, as shown in fig. 16.
Further, as shown in fig. 15 and 16, the inner wall of the accommodating cavity 510 has at least one plane, the electronic module 410 is disposed along the plane, and the first step groove 531 and the second step groove 532 are disposed on two sides of the plane, respectively, so as to clamp the electronic module 410 from two sides. For example, in one embodiment of the present application, the cross-sectional shape of the accommodating chamber 510 is D-shaped. Of course, the receiving cavity 510 may have other shapes, such as rectangular, but not limited thereto, to accommodate the shape of the valve cover 119.
Specifically, the electronic module 410 is in a cuboid shape, and one side of the electronic module 410 is disposed along the plane, and the plane can guide the electronic module to be installed, so that the electronic module is very convenient to install. In addition, the electronic module 410 is stably positioned in the accommodating chamber 510 by the engagement of the first stepped groove 531 and the second stepped groove 532.
Further, as shown in fig. 17, a gap is formed between the receiving chamber 510 and the electronic module 410, a sealing member 600 formed by injecting glue and sealing the electronic module 410 in the receiving chamber 510 is formed in the gap, and the sealing member 600 is integrally formed with the receiving chamber 510 and the electronic module 410, thereby sealing and fixing the electronic module 410 in the receiving chamber 510.
Specifically, after the electronic module 410 is installed in the accommodating cavity 510, a vacuum glue injection process is adopted to inject glue onto the electronic module 410, so as to form a sealing member 600, and the sealing member 600 connects the accommodating cavity 510 and the electronic module 410 into a whole, so that the integration of the electronic module 410 and the valve cover 119aa is realized, and the sealing member has good sealing performance (more than IP65 level), thereby playing a role in protecting the electronic module. In one embodiment of the application, the seal 600 is formed from epoxy resin by vacuum injection.
In an embodiment of the present application, as shown in fig. 13, a waterproof plug 421 is sealed between the through hole 520 and the external lead 420, so as to prevent water from entering the accommodating cavity 510 through the through hole 520.
It should be understood that references to upper, lower, left, right, front, rear, front, back, top, bottom, etc. in this specification or as may be referred to are intended to be defined with respect to the configurations shown in the various figures, as opposed to concepts, which may be adapted for use in a variety of different positions and in a variety of different orientations. These and other directional terms should not be construed as limiting terms.
While the application has been described with respect to preferred embodiments thereof, it will be understood by those skilled in the art that various modifications and additions may be made without departing from the scope of the application. Equivalent embodiments of the present application will be apparent to those skilled in the art having the benefit of the teachings disclosed herein, when considered in the light of the foregoing disclosure, and without departing from the spirit and scope of the application; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application still fall within the scope of the technical solution of the present application.
Claims (10)
1. An electromagnetic pulse valve, characterized in that it comprises:
the diaphragm assembly comprises a diaphragm and a flexible sensor for acquiring monitoring data of gas near the diaphragm, and the diaphragm is coupled with the flexible sensor, wherein the monitoring data are used for acquiring the working state of the electromagnetic pulse valve and the state of the diaphragm;
the electronic module is arranged on the valve cover, the inner end of the electronic module is in communication connection with the flexible sensor, and the outer end of the electronic module is in communication connection with the upper computer so as to transmit the monitoring data to the upper computer.
2. An electromagnetic pulse valve as defined in claim 1, wherein said diaphragm assembly further comprises a first fixed plate and a second fixed plate disposed on upper and lower end surfaces of said diaphragm, respectively, said flexible sensor being disposed on said first fixed plate or said second fixed plate.
3. An electromagnetic pulse valve as defined in claim 2, wherein said second fixed plate is overcoated with a soft cladding, said flexible sensor being sandwiched between said second fixed plate and said soft cladding.
4. An electromagnetic pulse valve as defined in claim 2 or 3, wherein said flexible sensor is connected with said electronic module by a wire, said second fixing plate is provided with a mounting groove for mounting said flexible sensor and a wire groove for mounting said wire, said wire groove is communicated with said mounting groove, and a through hole for said wire to pass through said second fixing plate is provided on the bottom of said wire groove;
the flexible sensor is embedded in the mounting groove, the lead is embedded in the lead groove, one end of the lead is connected with the flexible sensor, and the other end of the lead passes through a through hole in the lead groove, the soft cladding layer and the diaphragm and is connected with the electronic module.
5. An electromagnetic pulse valve as defined in claim 1, wherein said valve cover has a receiving cavity formed therein for receiving and mounting said electronic module, said electronic module being disposed within said receiving cavity, and said receiving cavity having a positioning means for said electronic module disposed therein.
6. The electromagnetic pulse valve as defined in claim 5, wherein an external lead wire for transmitting the monitoring data to an upper computer outside the electromagnetic pulse valve is connected to the outer end of the electronic module;
the valve cover is provided with a through hole for the external lead to pass through, the accommodating cavity is communicated with the through hole, and the external lead passes through the valve cover through the through hole and extends outwards of the valve cover so as to be connected with the upper computer.
7. An electromagnetic pulse valve as defined in claim 5 or 6, wherein said positioning means comprises a first step groove and a second step groove provided in said receiving chamber, said first step groove and said second step groove being disposed opposite to each other to catch both sides of said electronic module from opposite sides to effect positioning of said electronic module in said receiving chamber.
8. An electromagnetic pulse valve as defined in claim 7, wherein said inner wall of said receiving chamber has at least one plane, said electronic module is disposed along said plane, and said first stepped groove and said second stepped groove are disposed on both sides of said plane, respectively, to catch said electronic module from both sides.
9. An electromagnetic pulse valve as defined in claim 8, wherein said housing cavity and said electronics module have a gap therebetween, said gap having formed therein a seal formed by glue injection and sealing said electronics module within said housing cavity, said seal being integral with said housing cavity and said electronics module such that said electronics module is sealingly secured within said housing cavity.
10. An electromagnetic pulse valve as defined in claim 6, wherein a waterproof plug is provided between said through hole and said external lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210959818.0A CN115234697B (en) | 2022-08-11 | 2022-08-11 | Electromagnetic pulse valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210959818.0A CN115234697B (en) | 2022-08-11 | 2022-08-11 | Electromagnetic pulse valve |
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| CN115234697B true CN115234697B (en) | 2023-10-13 |
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