JP6968504B2 - Duct management systems, programs and equipment - Google Patents

Description

The present invention relates to a dirt monitoring technique for an exhaust duct installed in a store or the like.

Various stores For example, in the kitchen of a restaurant, an exhaust duct equipped with an exhaust fan is installed for exhaust by cooking or the like. Oils and fats contained in the exhaust adhere to or accumulate in the exhaust duct, causing a decrease in the displacement due to the exhaust fan, and there is a risk of ignition depending on the exhaust temperature.
It is known that the exhaust gas duct is subjected to a flue gas purification treatment by controlling the flow velocity to remove oils and fats (for example, Patent Document 1).
Further, it is known that the exhaust duct is provided with a lining sheet for peeling off oils and fats adhering to or accumulating in the duct (for example, Patent Document 2).

Japanese Unexamined Patent Publication No. 2001-246285 Japanese Unexamined Patent Publication No. 2010-169278

By the way, in restaurants such as restaurants, good kitchen exhaust is indispensable for making the store environment comfortable, and it is necessary to regularly clean the exhaust duct.
However, in stores such as yakiniku restaurants that exhaust a large amount of oil and fat, when customers are concentrated, the adhesion or accumulation of oil and fat on the exhaust duct becomes remarkable, and not only regular cleaning but also oil and fat adhesion adheres. There is a problem that cleaning treatment is required according to the accumulation.
When customers are concentrated, if the cleaning process is neglected, the displacement will decrease, which not only deteriorates the store environment, but also has the problem of avoiding unexpected situations such as ignition of oils and fats.

Even if it is possible to monitor the dirt inside the exhaust duct with a dirt sensor, there is a problem that cleaning inside the duct becomes sparse if the detection function of the sensor installed in the exhaust duct deteriorates due to oil and fat.
Therefore, in view of the above problems, an object of the present invention is to predict the contamination of the exhaust duct according to the demand for cooked foods provided in the store, promote the cleaning of the exhaust duct, and prevent the deterioration of the exhaust function. ..

To achieve the above object, according to an aspect of the duct management system of the present invention, there is provided a duct management system for managing an exhaust duct comprising an exhaust fan, and cooked information including cooking number of least cooked, the Cooked product information is converted into dirt on the exhaust duct and integrated, and if the integrated value of the dirt exceeds the standard value, alert information prompting duct cleaning is generated and the number of rotations of the fan motor that rotates the exhaust fan. The processing means is provided with a processing means for changing the number of rotations to a higher speed than before the integrated value exceeds the reference value, and an alert information presenting means for presenting the alert information , and the processing means determines that the cleaning of the exhaust duct is completed. If so, the integrated value is cleared and the rotation speed of the fan motor is returned.
In this duct management system, the reference value includes a first reference value and a second reference value that is higher than the first reference value, and the processing means rotates the fan motor in the first rotation. When the integrated value exceeds the first reference value, the fan motor is rotated at a second rotation speed higher than the first rotation speed, and the cleaning of the exhaust duct is completed. If the integrated value exceeds the second reference value without making a determination, the fan motor may be rotated at a third rotation speed higher than the second rotation speed.
In this duct management system, the stain converted from the cooked food information may be different depending on the attribute of the cooked food.

In order to achieve the above object, according to one aspect of the duct management program of the present invention, it is a duct management program to be realized by a computer, and has a function of acquiring at least cooked food information including the number of cooked foods cooked. A function to convert the cooked food information into dirt on the exhaust duct and accumulate it, and when the integrated value of the dirt exceeds the standard value, it generates alert information prompting the duct to be cleaned and an exhaust fan provided in the exhaust duct. When it is determined that the function of changing the rotation speed of the fan motor to rotate the fan motor to a rotation speed higher than that before the integrated value exceeds the reference value, the function of presenting the alert information, and the cleaning of the exhaust duct are completed. The computer realizes a function of clearing the integrated value and returning the rotation speed of the fan motor.
In this duct management program, the reference value includes a first reference value and a second reference value that is higher than the first reference value, and the fan motor is rotated at the first rotation speed. When the integrated value exceeds the first reference value, the function of rotating the fan motor at a second rotation speed higher than the first rotation speed and the determination of completion of cleaning of the exhaust duct are performed. It may include a function of rotating the fan motor at a third rotation speed higher than the second rotation speed when the integrated value exceeds the second reference value.

To achieve the above object, according to an aspect of the duct managing apparatus of the present invention, there is provided a duct management apparatus for managing an exhaust duct comprising an exhaust fan, stores cooked information including cooking number of at least cooked The storage means and the cooked food information are converted into dirt on the exhaust duct and integrated, and when the integrated value of the dirt exceeds the reference value, alert information prompting the duct cleaning is generated and the exhaust fan is rotated. The processing unit includes a processing unit that changes the rotation speed of the fan motor to a rotation speed higher than before the integrated value exceeds the reference value, and an alert information presentation unit that presents the alert information , and the processing unit cleans the exhaust duct. When it is determined that the above is completed, the integrated value is cleared and the rotation speed of the fan motor is returned.
In this duct management device, the reference value includes a first reference value and a second reference value that is higher than the first reference value, and the processing unit rotates the fan motor in the first rotation. When the integrated value exceeds the first reference value, the fan motor is rotated at a second rotation speed higher than the first rotation speed, and the cleaning of the exhaust duct is completed. If the integrated value exceeds the second reference value without making a determination, the fan motor may be rotated at a third rotation speed higher than the second rotation speed.

According to the present invention, any of the following effects can be obtained.
(1) Since the exhaust duct is predicted to be dirty and urged to be cleaned according to the demand for cooked food, the cleaning level inside the exhaust duct can be increased compared to regular cleaning, and the exhaust function is maintained normally. can.
(2) Since it is possible to predict the dirtiness of the exhaust duct and perform cleaning according to the number of customers, the degree of congestion, or cooking in the kitchen, it is possible to reduce the consumption of exhaust energy by the exhaust fan.
(3) The ventilation function of the kitchen can be enhanced and the store environment can be cleaned.

It is a figure which shows the duct management system which concerns on one Embodiment. A is a diagram showing the transition of cooked food, B is a diagram showing the transition of cooked food information, C is a diagram showing the transition of the integrated value of duct dirt, and D is a diagram showing alert generation. It is a flowchart which shows the processing sequence of a duct management system. It is a figure which shows the hardware of the duct management system which concerns on Example 1. FIG. A is a diagram showing the transition of the duct dirt integrated value, B is a diagram showing alert generation, and C is a diagram showing the rotation control of the fan motor. It is a flowchart which shows the processing sequence of the duct management system which concerns on Example 1. FIG. A is a diagram showing a transition of the duct dirt integrated value according to the second embodiment, B is a diagram showing alert generation, and C is a diagram showing rotation control of a fan motor. It is a flowchart which shows the processing sequence of duct management which concerns on Example 2. FIG.

[One Embodiment]
FIG. 1 shows a duct management system according to an embodiment of the present invention. The configuration shown in FIG. 1 is an example, and the present invention is not limited to such a configuration.
This duct management system 2 is a system that manages an exhaust duct installed in a kitchen of a store or the like. The duct management system 2 is provided with a cooked food information source 4, an information processing unit 6, and an alert information presenting unit 8. The cooked food information source 4 stores cooked food information including cooked foods provided at a store and the number of cooked foods thereof, such as a POS (Point of Sales) system. The POS system is a well-known system that aggregates sales for each product, manages sales and inventory based on the aggregated results, and has an analysis function thereof. The information processing unit 6 is composed of a computer system and performs information processing using the cooked food information provided by the cooked food information source 4.

This information processing includes an information conversion function 10, a duct dirt integration function 12, an integration value evaluation function 14, and an alert generation function 16.
The information conversion function 10 converts cooked food information into duct stains. The duct dirt integration function 12 integrates the duct stains converted from the cooked food information and stores the integrated value Dx. This integrated value Dx represents the degree of duct contamination.
The integrated value evaluation function 14 is a function for determining the degree of duct contamination, and determines whether or not the integrated value Dx exceeds the reference value Dref. The alert generation function 16 generates alert information for encouraging duct cleaning when the integrated value Dx exceeds the reference value Dref of duct dirt.
Then, the alert information presenting unit 8 receives the alert information, presents an alert, and urges the user to clean the duct.

<Cooked food transition, cooked food information, duct dirt and alert generation>
FIG. 2A shows the transition of cooked food information including the number of cooked foods Xi cooked in the store and their attributes. The number of cooked items is the number of cooked items cooked in the store, and its attributes are fats and oils, soot, steam, etc. that adhere to the duct when the cooked items are cooked.
B in FIG. 2 shows a cooked food information table. The cooked food information table 18 is provided with a cooked food unit 20, a cooking number unit 22, and an attribute unit 24. The cooking product unit 20 stores identification information of a plurality of cooking products Xi (= X1, X2, ..., Xn). The number of cooked products Xi is stored in the cooked number unit 22. The attribute unit 24 stores, as an attribute of the cooked product Xi, a converted value of duct stains such as oils and fats, soot, and steam that adhere to the duct when the cooked product is cooked.

C in FIG. 2 shows the transition of the integrated value Dx of the duct dirt converted from the cooked food information. This integrated value Dx increases according to the number of cooked dishes and the attributes of the cooked product Xi, and indicates the amount of oil and fat and soot accumulated on the inner wall of the exhaust duct. A reference value Dref for duct cleaning is set for this integrated value Dx.

D in FIG. 2 shows alert generation. As shown in C of FIG. 2, when the integrated value Dx of the duct dirt reaches the reference value Dref, the evaluation result by the integrated value evaluation function 14 is received, and the alert generation function 16 has the integrated value Dx exceeding the reference value Dref. Generate alert information to indicate that. As a result, as shown in D of FIG. 2, an alert is output for a certain period of time from the time when the integrated value Dx exceeds the reference value Dref. This encourages duct cleaning.

<Duct management>
FIG. 3 shows a processing sequence of duct management. This processing sequence is an example of the duct management program of the present invention.
The cooked food information source 4 stores cooked food information representing the cooked food Xi to be cooked (S101). The information processing unit 6 acquires cooked food information from the cooked food information source 4 (S102) and stores the cooked food information (S103).
The information processing unit 6 converts the cooked food information into duct stains (S104) and integrates the duct stains (S105). This accumulation of duct stains is proportional to the number of cooked foods provided, but the coefficients are different depending on the attributes according to the cooked product and converted into duct stains.

The information processing unit 6 determines whether or not the integrated value Dx exceeds the reference value Dr by the integrated value evaluation function 14 (S106). If Dx ≦ Dref (NO in S106), the standby state is maintained, and if Dx> Dref (YES in S106), alert information is generated (S107).
This alert information is provided to the alert information presenting unit 8, and the alert information presenting unit 8 presents an alert prompting duct cleaning (S108).

<Effect of one embodiment>
According to this embodiment, the following effects can be obtained.
(1) It is possible to predict the dirt on the exhaust duct according to the demand for cooked food and encourage cleaning, and there is no need for a sensor to detect the dirt on the duct.
(2) The cleaning level inside the exhaust duct is improved compared to regular cleaning, and the exhaust function of the exhaust duct can be maintained normally.

(3) It is possible to predict the dirtiness of the exhaust duct and perform cleaning according to the number of customers, the degree of congestion, or cooking in the kitchen.
(4) By cleaning the exhaust duct, the consumption of exhaust energy by the exhaust fan can be reduced and the ventilation function can be enhanced.

<Duct management device>
FIG. 4 shows a duct management device that manages the exhaust duct according to the first embodiment. The duct management device 26 is an example of the duct management system of the present invention.
The duct management device 26 is provided with a duct management unit 28 and an alert information presentation unit 8. The duct management unit 28 is composed of a computer, and includes a processor 30, a memory unit 32, an input / output unit (I / O) 34, and a communication unit 36.
The processor 30 executes an OS (Operating System) and a duct management program in the memory unit 32 to control various functional units. The memory unit 32 stores the above-mentioned cooked food information table 18, OS, duct management program, etc., and has ROM (Read-Only Memory), RAM (Random-Access Memory), and EEPROM (Electrically Erasable Programmable Read-Only Memory). Memory elements such as are used.

An alert information presentation unit 8, a cleaning completion input unit 38, and a motor drive unit 40 are connected to the I / O 34, and an alert information output and a cleaning completion signal are input. For example, a detection signal at the time of cleaning completion and a duct cleaning completion input are added to the cleaning completion input unit 38 by user operation. A fan motor 42 is connected to the motor drive unit 40. The fan motor 42 rotates the exhaust fan 46 installed in the exhaust duct 44.
A cooked food information source 4 is connected to the communication unit 36 by wire or wirelessly, and the cooked food information is taken into the memory unit 32 from the cooked food information source 4 under the control of the processor 30. The information terminal 48 is connected to the communication unit 36 via the public line network. Similar to the alert information presenting unit 8, the information terminal 48 is used as an input means for outputting alert information and replacing the cleaning completion input unit 38.

<Duct dirt, alert generation and fan motor speed>
A in FIG. 5 shows the transition of the integrated value Dx of the duct dirt, as in the case of C in FIG. When the integrated value Dx exceeds the reference value Dref, an alert is output by generating alert information as shown in B of FIG.
In the first embodiment, when the integrated value Dx of the duct dirt exceeds the reference value Dref in synchronization with the generation of the alert information, the rotation speed of the fan motor 42 is rotated from the rotation speed N1 as shown in C of FIG. Switch to the number N2 (> N1) and control to enhance the ventilation function. This can prevent a decrease in ventilation.

<Duct management>
FIG. 6 shows a processing sequence of the duct management system according to the first embodiment. This processing sequence is an example of the duct management program of the present invention.
In this sequence, S201 to S208 are the same as S101 to S108 in FIG. 3, so the description thereof will be omitted.
In this sequence, the rotation speed of the fan motor 42 is changed from the current rotation speed N1 to the rotation speed N2 (> N1) and increased (S209) in synchronization with the generation of alert information (S207), and this rotation speed change is performed. The alert information presenting unit 8 is made to present (S210).

After the alert information is generated and the rotation speed is changed, it is determined whether or not the cleaning of the duct is completed by the presence or absence of the input of the cleaning completion input unit 38 (S211). When the cleaning of the duct is completed (YES in S211), the integrated value Dx of the duct dirt is cleared (S212), the process returns to S202, the cooked food information is acquired (S202), and the processes of S202 to S212 are performed.
If the duct cleaning is not completed (NO in S211), it is determined whether a certain time has passed since the alert output (S213), and after a certain time has passed (YES in S213), the system returns to S207 to generate alert information. (S207), re-alert prompts duct cleaning.

<Effect of Example 1>
According to this Example 1, the following effects can be obtained.
(1) When the integrated value of duct dirt exceeds the standard value, the rotation speed of the fan motor is increased along with the alert output, so the ventilation function of the exhaust duct is not reduced.
(2) When the number of cooked foods with a lot of oil and soot and soot increases sharply, the inconvenience due to the deterioration of the ventilation function can be avoided.
(3) If the duct is not cleaned even though the alert prompts the duct to be cleaned, the re-alert can be output over and over again.
(4) There is no need for a sensor that directly detects duct dirt and its wiring.

<Duct dirt, alert generation and fan motor speed>
FIG. 7A shows the transition of the integrated value Dx of the duct dirt according to the second embodiment. For this integrated value Dx, a second reference value Dref2 is set together with a first reference value Dref1 corresponding to the above-mentioned reference value Dref.
When the integrated value Dx of the duct dirt exceeds the reference value Dref1, as shown in B of FIG. 7, the first alert a1 is output by the generation of the alert information. If the duct cleaning is neglected and the integrated value Dx of the duct dirt exceeds the reference value Dref2, the second alert a2 is output by the alert information.

Synchronized with the generation of these alert information, in the second embodiment, when the integrated value Dx of the duct dirt exceeds the reference value Dref1, the rotation speed of the fan motor 42 is changed from the rotation speed N1 as shown in C of FIG. Switch to the rotation speed N2 (> N1), but if the duct cleaning is neglected and the integrated value Dx of the duct dirt exceeds the reference value Dref2, the rotation speed N2 of the fan motor 42 is switched to the rotation speed N3 (> N2), and the ventilation function is performed. Control to enhance.
As a result, it is possible to encourage the duct to be cleaned again and prevent a decrease in ventilation.

<Duct management>
FIG. 8 shows a processing sequence of duct management according to the second embodiment. This processing sequence is an example of the duct management program of the present invention.
In this sequence, S301 to S305 are the same as S101 to S105 in FIG. 3, so the description thereof will be omitted.
It is determined whether the integrated value Dx of the duct dirt is larger than the first reference value Dref1 (S306). If Dx> Dref1 (YES in S306), alert information is generated (S307), alert a1 is presented to the alert information presenting unit 8 (S308), and the fan motor 42 rotates in synchronization with the generation of alert information. The number is changed from the current rotation speed N1 to the rotation speed N2 (> N1) and increased (S309). The change information of the rotation speed may be presented to the alert information presenting unit 8.

After the alert information is generated and the rotation speed is changed, it is determined whether or not the cleaning of the duct is completed by the presence or absence of the input of the cleaning completion input unit 38 (S310). When the cleaning of the duct is completed (YES in S310), the integrated value Dx of the duct dirt is cleared (S311), the process returns to S302, the cooked food information is acquired (S302), and the processes of S302 to S311 are performed.
If the duct cleaning is not completed (NO in S310), it is determined whether the integrated value Dx is larger than the second reference value Dref2 (S312). If Dx> Dref2 (YES in S312), alert information is generated (S313), alert a2 is presented to the alert information presenting unit 8 (S314), and the fan motor 42 rotates in synchronization with the generation of alert information. The number is changed from the current rotation speed N2 to the rotation speed N3 (> N2) and increased (S315). The change information of the rotation speed may be presented to the alert information presenting unit 8.

After the alert information is generated and the rotation speed is changed, it is determined whether or not the cleaning of the duct is completed by the presence or absence of the input of the cleaning completion input unit 38 (S316). When the cleaning of the duct is completed (YES in S316), the integrated value Dx of the duct dirt is cleared (S311), the process returns to S302, the cooked food information is acquired (S302), and the processes of S302 to S316 are performed.
It is determined whether a certain time has elapsed from the alert output (S317), and after the certain time has elapsed (YES in S317), the system returns to S313 to generate alert information (S313), and the duct cleaning is urged by re-alert.

<Effect of Example 2>
According to this Example 2, the following effects can be obtained.
(1) In the second embodiment, the duct dirt is monitored by setting at least two reference values Dref1 and Dref2 for the integrated value Dx of the duct dirt, the duct cleaning alert is output, and the fan motor rotation speed is set. Since it is raised, it is possible to prevent deterioration of the ventilation function due to duct dirt.
(2) It is possible to prevent the deterioration of the ventilation function due to sudden duct dirt, and to avoid the danger due to the deterioration of ventilation.

[Other embodiments]
(1) In the above embodiment, the duct dirt is monitored by setting a single or stepwise reference value for the integrated value of the duct dirt, and the rotation speed of the fan motor is gradually increased. The fan motor rotation speed may be continuously increased in proportion to the increase in the integrated value of dirt.
(2) The alert information may be in the form of installing an indicator near the exhaust duct and issuing a warning to urge the deterioration of the ventilation function or the duct cleaning by this indicator.

As described above, the most preferable embodiment of the present invention has been described. The present invention is not limited to the above description. Various modifications and modifications can be made by those skilled in the art based on the gist of the invention described in the claims or disclosed in the form for carrying out the invention. Needless to say, such modifications and modifications are included in the scope of the present invention.

Since the present invention monitors the dirt on the exhaust duct based on the number of cooked items and the attributes of the cooked food, it is possible to arouse the duct cleaning and prevent the deterioration of the ventilation function without the need for a sensor that directly detects the dirt.

2 Duct management system 4 Cooked goods information source 6 Information processing department 8 Alert information presentation department 10 Information conversion function 12 Duct dirt integration function 14 Cumulative value evaluation function 16 Alert generation function 18 Cooked food information table 20 Cooked food department 22 Number of cooked parts 24 Attribute unit 26 Duct management device 28 Duct management unit 30 Processor 32 Memory unit 34 Input / output unit (I / O)
36 Communication unit 38 Cleaning completed input unit 40 Motor drive unit 42 Fan motor 44 Exhaust duct 46 Exhaust fan

Claims (7)

A duct management system that manages exhaust ducts equipped with an exhaust fan.
And cooking product information, including the cooking number of at least cooked,
The cooked food information is converted into dirt on the exhaust duct and integrated, and when the integrated value of the dirt exceeds the reference value, alert information prompting the duct cleaning is generated and the rotation of the fan motor that rotates the exhaust fan. A processing means for changing the number to a rotation speed higher than before the integrated value exceeds the reference value, and
The alert information presenting means for presenting the alert information and the alert information presenting means
The duct management system is characterized in that, when it is determined that the cleaning of the exhaust duct is completed, the processing means clears the integrated value and returns the rotation speed of the fan motor. The reference value includes a first reference value and a second reference value which is higher than the first reference value.
The processing means rotates the fan motor at the first rotation speed, and when the integrated value exceeds the first reference value, the fan motor is rotated at a second rotation speed higher than the first rotation speed. When the integrated value exceeds the second reference value without determining the completion of cleaning of the exhaust duct after rotating at the rotation speed, the fan motor is rotated at a third rotation speed higher than the second rotation speed. Rotate at the number of revolutions,
The duct management system according to claim 1. The duct management system according to claim 1 or 2 , wherein the stain converted from the cooked food information is different depending on the attribute of the cooked food. It is a duct management program to be realized by a computer.
The function of acquiring the cooked information including cooking number of least cooked,
The function of converting the cooked food information into dirt on the exhaust duct and accumulating it,
When the accumulated value of dirt exceeds the reference value, alert information prompting the duct to be cleaned is generated , and the rotation speed of the fan motor for rotating the exhaust fan provided in the exhaust duct is set before the integrated value exceeds the reference value. With the function to change to a higher number of revolutions,
The function to present the alert information and
When it is determined that the cleaning of the exhaust duct is completed, the integrated value is cleared and the rotation speed of the fan motor is returned.
A duct management program for realizing the above with the computer. The reference value includes a first reference value and a second reference value which is higher than the first reference value.
The fan motor is rotated at the first rotation speed, and when the integrated value exceeds the first reference value, the fan motor is rotated at a second rotation speed higher than the first rotation speed. Functions and
A function of rotating the fan motor at a third rotation speed higher than the second rotation speed when the integrated value exceeds the second reference value without determining that the cleaning of the exhaust duct is completed. When,
The duct management program according to claim 4, wherein the duct management program comprises. A duct management device that manages an exhaust duct equipped with an exhaust fan.
Storage means for storing the cooked information including cooking number of least cooked,
The cooked food information is converted into dirt on the exhaust duct and integrated, and when the integrated value of the dirt exceeds the reference value, alert information prompting the duct cleaning is generated and the rotation of the fan motor that rotates the exhaust fan. A processing unit that changes the number to a rotation speed higher than before the integrated value exceeds the reference value, and
The alert information presentation unit that presents the alert information and
The duct management device is characterized in that, when it is determined that the cleaning of the exhaust duct is completed, the processing unit clears the integrated value and returns the rotation speed of the fan motor. The reference value includes a first reference value and a second reference value which is higher than the first reference value.
The processing unit rotates the fan motor at the first rotation speed, and when the integrated value exceeds the first reference value, the fan motor is rotated at a second rotation speed higher than the first rotation speed. When the integrated value exceeds the second reference value without determining the completion of cleaning of the exhaust duct after rotating at the rotation speed, the fan motor is rotated at a third rotation speed higher than the second rotation speed. Rotate at the number of revolutions,
The duct management device according to claim 6.

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