JP6946877B2 - In-store exhaust heat treatment system - Google Patents

Description

The present invention relates to an apparatus for treating waste heat of a refrigerator built in a showcase arranged in a store such as a convenience store.

In recent years, in stores such as supermarkets and convenience stores, on-site plumbing work is not required and installation is relatively easy, so showcases with a built-in refrigerator are often installed. However, when such a showcase is installed in a store, there is a problem that an exhaust duct is required to exhaust the exhaust heat of the refrigerator to the outside of the store, and the installation work is not as easy as expected. ..

As a means for solving this problem, a technique for partitioning the space above the showcase into an air supply region and an exhaust region using a rectangular flat plate-shaped panel made of resin, glass, or the like to perform exhaust heat treatment of a refrigerator is disclosed. (See, for example, Patent Document 1).

In addition, as a means to solve this problem, an introduction port and an outlet are provided on the ceiling of the store, and an air supply fan and / or an exhaust fan are installed behind the ceiling, and the space behind the ceiling is used for the refrigerator. A technique for exhaust heat treatment is disclosed (see, for example, Patent Document 2).

Japanese Unexamined Patent Publication No. 2016-145696 Japanese Unexamined Patent Publication No. 2016-205651

In view of the above circumstances, the present invention provides an in-store exhaust heat treatment system that eliminates the need for an exhaust duct, further reduces duct installation work costs, improves maintainability, and saves energy in the entire store. The purpose.

In order to achieve the above object, the in-store exhaust heat treatment system according to the present invention is an in-store exhaust heat treatment system for treating the exhaust heat of the refrigerator built in the showcase arranged along the side wall in the store. A local air conditioner for the purpose of local cooling, an exhaust means having a louver capable of transmitting the exhaust heat of the refrigerator to the outside from the showcase and changing the transmission direction, and a predetermined location. It is characterized by comprising an exhaust heat control device for controlling the operation stop of the local air conditioner and the direction of the louver of the exhaust means based on the temperature of the above.

Further, in the in-store exhaust heat treatment system according to the present invention, the exhaust heat control device operates the local air conditioner arranged in the ceiling area near the showcase in order to cool the exhaust heat of the refrigerator. At the same time, in order to control the louver direction so that the exhaust heat flows toward the local air conditioner side (hereinafter referred to as control 1) and / or to warm the inside of the store by using the exhaust heat. It is characterized in that the local air conditioner is stopped and the louver direction is controlled so as to flow out toward the side opposite to the local air conditioner side (hereinafter referred to as control 2).

Further, in the in-store exhaust heat treatment system according to the present invention, the exhaust heat control device controls 1 when the temperature of the predetermined location is equal to or higher than the threshold value 1, and the temperature of the predetermined location is the threshold value 2 (<threshold value). It is characterized in that control 2 is performed when the temperature is less than 1).

Further, in the in-store exhaust heat treatment system according to the present invention, when the exhaust heat control device has a temperature of the predetermined location of 2 or more and less than 1 of the threshold value, the control 1 and the control 2 are set at a predetermined time interval. It is characterized by switching and controlling with.

Further, the in-store exhaust heat treatment system according to the present invention is provided with a main air conditioner in a ceiling area at a predetermined location in the store, and the exhaust heat control device is used when the main air conditioner in the store is in a cooling operation. Control 1 is characterized in that control 2 is performed when the main air conditioner in the store is operating for heating.

Further, in the in-store exhaust heat treatment system according to the present invention, when the exhaust heat control device stops the cooling / heating operation of the main air conditioner in the store, the local air conditioner is stopped and the louver direction is turned upward. It is characterized by controlling.

Further, the in-store exhaust heat treatment system according to the present invention is an in-store exhaust heat treatment system for treating the exhaust heat of a refrigerator built in a showcase arranged along a side wall in a store.
A local air conditioner for the purpose of local cooling, an exhaust means for sending the exhaust heat of the refrigerator to the outside from the showcase, an exhaust heat control device for controlling the local air conditioner, and exhaust heat of the refrigerator. A hanging wall is provided in the gap between the upper part of the showcase and the ceiling so that the heat does not flow into the store, and the local air conditioner installation side arranged in the ceiling area near the showcase is closed to close the upper part of the showcase. The semi-closed space composed of the surface, the side wall of the store, the ceiling surface of the store, and the hanging wall is provided, and the exhaust heat control device operates and stops the local air conditioner based on the temperature of a predetermined place. It is characterized by performing control.

Further, in the in-store exhaust heat treatment system according to the present invention, the exhaust heat control device operates the local air conditioner when the temperature at the predetermined location is equal to or higher than the threshold value 1, and the temperature at the predetermined location is the threshold value. It is characterized in that the local air conditioner is stopped when it is less than 2 (<threshold value 1).

Further, in the in-store exhaust heat treatment system according to the present invention, when the exhaust heat control device has a temperature of the predetermined location of 2 or more and less than 1 of the threshold value, the local air conditioner is operated and stopped for a predetermined time. It is characterized by switching and controlling at intervals.

Further, the in-store exhaust heat treatment system according to the present invention is provided with a main air conditioner in a ceiling area at a predetermined location in the store, and the exhaust heat control device is used for cooling operation of the main air conditioner in the store. The local air conditioner is operated, and when the main air conditioner in the store is in the heating operation, the local air conditioner is stopped.

Further, the in-store exhaust heat treatment system according to the present invention is characterized in that the exhaust heat control device stops the local air conditioner when the main air conditioner in the store has stopped the cooling / heating operation.

According to the present invention, a local air conditioner for the purpose of local cooling, an exhaust means having a louver capable of transmitting the exhaust heat of the refrigerator to the outside from the showcase and changing the transmission direction, and the above. A local air conditioner and an exhaust heat control device for controlling the exhaust means are provided, and the exhaust heat control device operates in summer (when the temperature at a predetermined place is equal to or higher than a threshold value 1, or the main air conditioner in the store performs cooling operation. Since the local air conditioner is operated and the louver direction is controlled so that the exhaust heat flows toward the local air conditioner side, there is no need to provide an exhaust duct and the initial construction cost. It has the effect of reducing the amount of air conditioning and improving maintainability.

In addition, in winter (when the temperature of a predetermined place is less than the threshold 2 (<threshold 1), or when the main air conditioner in the store is in the heating operation), the local air conditioner is stopped and the heat is exhausted. Because the louver direction is controlled so that it flows out toward the warming side (for example, near the counter), the main air conditioner due to the exhaust heat heating effect near the counter, which is the place where the clerk stays for the longest time. Does not need to heat the entire store excessively, and has the effect of obtaining an energy saving effect for the entire store.

Further, in the middle period of the season (when the temperature at a predetermined place is equal to or higher than the threshold value and less than the threshold value 1 or when the main air conditioner in the store has stopped the cooling / heating operation), the control 1 and the control 2 are performed. Since the control or the local air conditioner is stopped by switching at predetermined time intervals, it also has the effect of further saving energy.

FIG. 1 is a schematic view of the inside of a store room to which the in-store exhaust heat treatment system according to the first embodiment of the present invention is applied, when viewed from above. FIG. 2 is a schematic view (showcase arrangement side) when the store room shown in FIG. 1 is viewed from the side. FIG. 3 is a flowchart showing the control contents (when the temperature sensor is used) of the in-store exhaust heat treatment system according to the first embodiment of the present invention. FIG. 4 is a flowchart showing a modified example of the control content of the in-store exhaust heat treatment system according to the first embodiment of the present invention (when the setting information of the main air conditioner is used). FIG. 5 is a schematic view of the inside of a store room to which the in-store exhaust heat treatment system according to the second embodiment of the present invention is applied, when viewed from above. FIG. 6 is a schematic view (showcase arrangement side) when the store room shown in FIG. 5 is viewed from the side. FIG. 7 is a flowchart showing the control contents (when the temperature sensor is used) of the in-store exhaust heat treatment system according to the second embodiment of the present invention. FIG. 8 is a flowchart showing a modified example of the control content of the in-store exhaust heat treatment system according to the second embodiment of the present invention (when the setting information of the main air conditioner is used).

Hereinafter, preferred embodiments of the in-store exhaust heat treatment system according to the present invention will be described in detail with reference to the accompanying drawings.
<Embodiment 1>
FIG. 1 is a schematic view of the inside of a store room to which the in-store exhaust heat treatment system according to the first embodiment of the present invention is applied, and FIG. 2 is a schematic view of the store shown in FIG. It is a schematic view (showcase arrangement side) when the room is seen from the side. The in-store exhaust heat treatment system illustrated here is, for example, three showcases 20A to 20C arranged in the room 11 of a store 10 such as a convenience store (hereinafter, the showcases 20A to 20C are collectively referred to as "showcase 20". The exhaust heat treatment of) is performed.

The showcase 20 is a so-called open showcase, in which products placed on the shelves 22 of the storage chamber 21 are stored at a desired temperature with the front surface open. Reference numeral 12 in FIG. 1 is an entrance / exit of the store 10, reference numeral 13 is a main air conditioner in the room 11, and reference numeral 14 is a counter for an employee to settle a product.

In the showcase 20, the refrigerator 23 is provided in the upper area of the storage chamber 21. The refrigerator 23 includes a compressor 231 and a condenser 232, and supplies a liquid refrigerant to an evaporator (not shown) that cools the internal air of the storage chamber 21 and vaporizes the refrigerant from the evaporator. By sucking, the evaporator and the refrigerating system are constructed. Reference numeral 233 in FIG. 2 is an exhaust heat fan arranged in the vicinity of the condenser 232, which cools the condenser 232 by air and discharges the exhaust heat from the refrigerator. Corresponds to the exhaust means described in.

Further, in the showcase 20, an air supply port 24 is formed on the front surface on the upper side of the showcase 20, and an exhaust port 25 is formed on the rear side of the upper surface. The air supply port 24 is an opening to which air for heat exchange with the refrigerator 23 is supplied. The exhaust port 25 is an opening for discharging the air that has exchanged heat with the refrigerator 23. A louver 26 is attached to the exhaust port 25. The louver 26 is configured so that the angle can be adjusted, and the direction in which the heat is exchanged with the refrigerator 23 and the warmed waste heat is discharged can be changed by the waste heat control device 27 described later.

The local air conditioner 28 is arranged on the ceiling of the room 11 in the direction opposite to the counter 14 on the side side of the showcase 20, and a suction port 281 is formed in the central portion thereof, and the suction port 281 is formed on the rear side of the upper surface of the showcase 20. The exhaust heat discharged from the exhaust port 25 is sucked into the suction port 281. The local air conditioner 28 cools the exhaust heat of the refrigerator 23 sucked through the suction port 281 and blows it out from the air outlet 282 into the chamber 11.

The temperature sensor 29 is attached to the outside of the store 10 in the vicinity of the doorway 12, and measures the outside air temperature. Although it is attached to the outside of the store 10 in FIG. 1, it may be attached not only to the outside of the store but also to the inside of the store because it may be attached to a place where it can be determined whether or not the waste heat is effectively used for heating the inside of the store.

The waste heat control device 27 controls the operation and stop of the local air conditioner 28. Further, the exhaust heat control device 27 controls the angle of the louver 26 attached to the exhaust port 25 of the showcase 20.

Specifically, the exhaust heat control device 27 operates the local air conditioner 28 when the outside air temperature measured by the temperature sensor 29 is equal to or higher than the threshold value 1 (for example, 25 ° C.) or when the main air conditioner 13 is in the cooling operation. At the same time, the angle of the louver 26 is controlled so as to be directed toward the local air conditioner 28 (hereinafter referred to as control 1).

Further, when the outside air temperature measured by the temperature sensor 29 is less than the threshold value 2 (for example, 15 ° C.) or the main air conditioner 13 is in the heating operation, the exhaust heat control device 27 stops the local air conditioner 28 and stops the local air conditioner 28. The angle of the louver 26 is controlled so as to be directed toward the counter 14 (hereinafter referred to as control 2).

Further, when the outside air temperature measured by the temperature sensor 29 is equal to or more than the threshold value and less than the threshold value 1, the exhaust heat control device 27 alternately switches between the control 1 and the control 2 at a predetermined time interval (for example, 10 minutes) to control the exhaust heat control device 27. To do. The threshold value 1, the threshold value 2, and the predetermined time interval can be changed according to the store conditions and the temperature conditions.

Next, the control of the in-store exhaust heat treatment system according to the first embodiment of the present invention will be described. FIG. 3 is a flowchart showing the control contents (when the temperature sensor is used) of the in-store exhaust heat treatment system according to the first embodiment of the present invention.

First, the exhaust heat control device 27 reads the outside air temperature measured by the temperature sensor 29 (step S101). Next, the read outside air temperature is compared with the threshold value 1 stored in the exhaust heat control device 27 (step S102). When the outside air temperature is equal to or higher than the threshold value 1 (step S102: Yes), the local air conditioner 28 is operated (step S103), and the louver 26 attached to the exhaust port 25 on the rear side of the upper surface of the showcase 20 is used as the local air conditioner. It is controlled in 28 directions (step S104), and then returns to step S101 to read the outside air temperature.

On the other hand, when the read outside air temperature is less than the threshold value 1 stored in the exhaust heat control device 27 (step S102: No), the outside air temperature is compared with the threshold value 2 stored in the exhaust heat control device 27 (step S102: No). Step S105). When the outside air temperature is less than the threshold value 2 (step S105: Yes), the local air conditioner 28 is stopped (step S106), and the louver 26 attached to the exhaust port 25 on the rear side of the upper surface of the showcase 20 is moved toward the counter 14. (Step S107), and then the process returns to step S101 to read the outside air temperature.

On the other hand, when the outside air temperature is equal to or higher than the threshold value 2 (step S105: No), the local air conditioner 28 is operated (step S108), and the louver 26 attached to the exhaust port 25 on the rear side of the upper surface of the showcase 20 is locally operated. Control in the 28 directions of the air conditioner (step S109). Next, after the elapse of a predetermined time stored in the exhaust heat control device 27 (step S110: Yes), the local air conditioner 28 is stopped (step S111), and the local air conditioner 28 is attached to the exhaust port 25 on the rear side of the upper surface of the showcase 20. The louver 26 is controlled in the counter 14 direction (step S112). Then, after the elapse of a predetermined time stored in the exhaust heat control device (step 113: Yes), the process returns to step S101 and the outside air temperature is read.

FIG. 4 is a flowchart showing a modified example of the control content of the in-store exhaust heat treatment system according to the first embodiment of the present invention (when the setting information of the main air conditioner is used).

In the flowchart showing the above-described first embodiment (when the temperature sensor is used), the outside air temperature measured by the temperature sensor 29 is read (step S101) and compared with the threshold value 1 stored in the exhaust heat control device 27 (step S102). Alternatively, the control method was switched by comparing with the threshold value 2 (step S105), but in the present invention, as shown in FIG. 4, the setting information of the cooling operation or the heating operation, which is the setting information of the main air conditioner 13, is used. When reading (step S201) and setting is cooling operation (step S202: Yes), the local air conditioner 28 is operated (step S203), and the louver 26 attached to the exhaust port 25 on the rear side of the upper surface of the showcase 20 is operated. Is controlled in the direction of the local air conditioner 28 (step S204), and then returns to step S201 to read the setting information of the main air conditioner 13.

On the other hand, when the setting is heating operation (step S205: Yes), the local air conditioner 28 is stopped (step S206), and the louver 26 attached to the exhaust port 25 on the rear side of the upper surface of the showcase 20 is set in the counter 14 direction. (Step S207), and then returns to step S201 to read the setting information of the main air conditioner 13.

On the other hand, when the main air conditioner 13 is stopped in the air conditioning operation (step S205: No), the local air conditioner 28 is stopped (step S208) and is attached to the exhaust port 25 on the rear side of the upper surface of the showcase 20. The louver 26 is controlled upward (step S209). After that, the process returns to step S201, and the setting information of the main air conditioner 13 is read.
<Embodiment 2>
FIG. 5 is a schematic view of the inside of the store room to which the in-store exhaust heat treatment system according to the second embodiment of the present invention is applied, and FIG. 6 is a schematic view of the store shown in FIG. It is a schematic view (showcase arrangement side) when the room is seen from the side. The in-store exhaust heat treatment system illustrated here does not have the louver 26 in the configuration of the in-store exhaust heat treatment system of the first embodiment, but instead includes a hanging wall 30. The same reference numerals are given to the configurations similar to those of the first embodiment other than the hanging wall 30, and the description thereof will be omitted.

The hanging wall 30 is provided in the gap between the upper part of the showcase 20 and the ceiling so that the waste heat discharged from the refrigerator 23 does not flow out into the store, and is locally arranged in the ceiling area near the showcase 20. The installation side of the air conditioner 28 is closed, the counter 14 side opposite to the installation side of the local air conditioner 28 is opened, and the upper surface of the showcase 20, the side wall of the store, the ceiling surface of the store, and the hanging wall 30 are opened. It constitutes a semi-closed space composed of. As a result, when the local air conditioner 28 is operating, the exhaust heat flows along the local air conditioner 28 side, while when the local air conditioner 28 is stopped, the exhaust heat is on the opening side counter. It will flow in 14 directions.

Since the exhaust heat control device 27 according to the second embodiment of the present invention does not have the louver 26 as described above, it only controls the operation and stop of the local air conditioner 28.

Specifically, the exhaust heat control device 27 operates the local air conditioner 28 when the outside air temperature measured by the temperature sensor 29 is equal to or higher than the threshold value 1 (for example, 25 ° C.) or the main air conditioner 13 is in the cooling operation. It controls the operation (hereinafter referred to as control 3).

Further, the exhaust heat control device 27 controls to stop the local air conditioner 28 when the outside air temperature measured by the temperature sensor 29 is less than the threshold value 2 (for example, 15 ° C.) or the main air conditioner 13 is in the heating operation (for example). Hereinafter, it is referred to as control 4).

Further, when the outside air temperature measured by the temperature sensor 29 is equal to or more than the threshold value and less than the threshold value 1, the exhaust heat control device 27 alternately switches between the control 3 and the control 4 at a predetermined time interval (for example, 10 minutes). To control. The threshold value 1, the threshold value 2, and the predetermined time interval can be changed according to the store conditions and the temperature conditions.

FIG. 7 is a flowchart showing the control contents (when the temperature sensor is used) of the in-store exhaust heat treatment system according to the second embodiment of the present invention. Compared with FIG. 3, which is a flowchart showing the control content (when the temperature sensor is used) of the in-store exhaust heat treatment system according to the first embodiment of the present invention, the direction control of the louver (step S104, step S107, step S109 and step S112). Other than that, the exhaust heat treatment is the same.

First, the exhaust heat control device 27 reads the outside air temperature measured by the temperature sensor 29 (step S101). Next, the read outside air temperature is compared with the threshold value 1 stored in the exhaust heat control device 27 (step S102). When the outside air temperature is equal to or higher than the threshold value 1 (step S102: Yes), the local air conditioner 28 is operated (step S103). After that, the process returns to step S101 and the outside air temperature is read.

On the other hand, when the read outside air temperature is less than the threshold value 1 stored in the exhaust heat control device 27 (step S102: No), the outside air temperature is compared with the threshold value 2 stored in the exhaust heat control device 27 (step S102: No). Step S105). When the outside air temperature is less than the threshold value 2 (step S105: Yes), the local air conditioner 28 is stopped (step S106). After that, the process returns to step S101 and the outside air temperature is read.

On the other hand, when the outside air temperature is equal to or higher than the threshold value 2 (step S105: No), the local air conditioner 28 is operated (step S108). Next, after the elapse of a predetermined time stored in the exhaust heat control device 27 (step S110: Yes), the local air conditioner 28 is stopped (step S111). Then, after the elapse of a predetermined time stored in the exhaust heat control device (step 113: Yes), the process returns to step S101 and the outside air temperature is read.

Further, FIG. 8 is a flowchart showing a modified example of the control content of the in-store exhaust heat treatment system according to the second embodiment of the present invention (when the setting information of the main air conditioner is used).

First, the setting information of the cooling operation or the heating operation, which is the setting information of the main air conditioner 13, is read (step S201), and when the setting is the cooling operation (step S202: Yes), the local air conditioner 28 is operated (step S203). ). After that, the process returns to step S201, and the setting information of the main air conditioner 13 is read.

On the other hand, when the setting is heating operation or the main air conditioner 13 has stopped the cooling / heating operation (step S202: No), the local air conditioner 28 is stopped (step S206). After that, the process returns to step S201, and the setting information of the main air conditioner 13 is read.

As described above, according to the in-store exhaust heat treatment system according to the first embodiment and the second embodiment of the present invention, the exhaust heat discharged from the refrigerator can be removed by providing the local air conditioner for local cooling. It becomes possible to process without providing an exhaust duct, and the effects of reducing the initial construction cost and improving maintainability can be obtained.

Also, when the outside air temperature measured by the temperature sensor is low, or when the setting information of the main air conditioner is heating operation, the operation of the local air conditioner is stopped so that the waste heat discharged from the refrigerator flows to the counter side. By controlling, the main air conditioner does not need to overheat the entire store due to the exhaust heat heating effect near the counter, which is the place where the clerk stays for the longest time, and the effect of saving energy for the entire store can be obtained. ..

In the middle of the season (when the temperature at a predetermined place is equal to or higher than the threshold value and less than the threshold value 1 or when the main air conditioner in the store has stopped the cooling / heating / heating operation), the waste heat treatment control (control 1) Alternatively, since the control 3) and the waste heat utilization control (control 2 or control 4) are switched and controlled at predetermined time intervals, an effect of further energy saving can be obtained.

Although preferred embodiments 1 and 2 of the present invention have been described above, the present invention is not limited thereto, and various modifications can be made.

In the above-described first and second embodiments, the exhaust heat is processed by the local air conditioner 28 for the purpose of local cooling and returned to the store, but the exhaust heat may be discharged to the outside air by the ventilation fan.

In the second embodiment described above, the installation side of the local air conditioner 28 arranged in the ceiling area near the showcase is closed to form a semi-closed space, but both ends may be opened.

In the above-described first and second embodiments, the number of showcases arranged in the store room is three, but the number is not limited to three, and may be two or less or four or more.

10 Stores 13 Main air conditioner 14 Counter 20 Showcase 23 Refrigerator 231 Compressor 232 Condenser 233 Exhaust heat fan 24 Air supply port 25 Exhaust port 26 Louver 27 Exhaust heat controller 28 Local air conditioner 29 Temperature sensor 30 Hanging wall

Claims (11)

It is an in-store exhaust heat treatment system for treating the exhaust heat of the refrigerator built in the showcase arranged along the side wall in the store.
A local air conditioner for local cooling and
Exhaust means having a louver capable of transmitting the exhaust heat of the refrigerator to the outside from the showcase and changing the direction of transmission, and
An exhaust heat control device that controls the operation of the local air conditioner and the direction of the louver of the exhaust means based on the temperature at a predetermined location.
An in-store exhaust heat treatment system characterized by being equipped with. The exhaust heat control device operates the local air conditioner arranged in the ceiling area near the showcase in order to cool the exhaust heat of the refrigerator, and the exhaust heat is directed to the local air conditioner side. In order to control the louver direction so that the heat flows out (hereinafter referred to as control 1) and / or to warm the inside of the store by using the exhaust heat, the local air conditioner is stopped and the local air conditioner is used. The in-store exhaust heat treatment system according to claim 1, wherein the louver direction is controlled so as to flow out toward the side opposite to the side (hereinafter referred to as control 2). The exhaust heat control device performs control 1 when the temperature of the predetermined place is equal to or higher than the threshold value 1, and controls 2 when the temperature of the predetermined place is less than the threshold value 2 (<threshold value 1). The in-store exhaust heat treatment system according to claim 2. 3. The exhaust heat control device is characterized in that when the temperature at the predetermined location is equal to or higher than the threshold value and is lower than the threshold value 1, the control 1 and the control 2 are switched and controlled at predetermined time intervals. In-store exhaust heat treatment system described in. Equipped with a main air conditioner in the ceiling area of a predetermined place in the store
The waste heat control device is characterized in that control 1 is performed when the main air conditioner in the store is in a cooling operation, and control 2 is performed when the main air conditioner in the store is in a heating operation. The in-store waste heat treatment system according to claim 2. The exhaust heat control device according to claim 5, wherein when the main air conditioner in the store has stopped the cooling / heating operation, the local air conditioner is stopped and the louver direction is controlled upward. In-store waste heat treatment system. It is an in-store exhaust heat treatment system for treating the exhaust heat of the refrigerator built in the showcase arranged along the side wall in the store.
A local air conditioner for local cooling and
A waste heat control device that controls the local air conditioner,
A hanging wall is provided in the gap between the upper part of the showcase and the ceiling so that the exhaust heat of the refrigerator does not flow out into the store, and the local air conditioner side arranged in the ceiling area near the showcase is closed. A semi-closed space composed of the upper surface of the showcase, the side wall of the store, the ceiling surface of the store, and the hanging wall.
The waste heat control device is an in-store waste heat treatment system that controls the operation and stop of the local air conditioner based on the temperature of a predetermined place. The waste heat control device operates the local air conditioner when the temperature of the predetermined place is equal to or higher than the threshold value 1, and when the temperature of the predetermined place is less than the threshold value 2 (<threshold value 1), the local area The in-store waste heat treatment system according to claim 7, wherein the air conditioner is stopped. The exhaust heat control device is characterized in that when the temperature at a predetermined location is equal to or higher than a threshold value of 2 and less than a threshold value of 1, the operation and stop of the local air conditioner are switched and controlled at predetermined time intervals. The in-store exhaust heat treatment system according to 8. Equipped with a main air conditioner in the ceiling area of a predetermined place in the store
The exhaust heat control device operates the local air conditioner when the main air conditioner in the store is in the cooling operation, and the local air conditioner operates the local air conditioner when the main air conditioner in the store is in the heating operation. The in-store exhaust heat treatment system according to claim 7, wherein the machine is stopped. The in-store exhaust heat treatment system according to claim 10, wherein the exhaust heat control device stops the local air conditioner when the main air conditioner in the store has stopped the cooling / heating operation.

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