JP4617673B2 - Cooling system - Google Patents

Description

  The present invention is a box structure having a heating element installed outdoors, and since it generates a large amount of heat, cooling is required even in winter, so that temperature, humidity, dust, etc. affect performance and life. The present invention relates to a cooling device for a box having various precision instruments.

  Conventionally, as a cooling device for a box structure installed outdoors, by installing a cooling device on the panel of the box structure, when the outside air temperature is low, the outside air and the inside air that is the air in the box structure Since the inside air is cooled by exchanging heat, the operation time of the general cooling device is reduced, and there are some which save energy. (For example, refer to Patent Document 1).

Moreover, there exist some which cool the inside of a box-shaped structure using a Peltier device. (For example, refer to Patent Document 2).
JP 2001-156478 A (FIG. 1) JP 2001-263903 A (FIG. 1)

  In the configuration of Patent Document 1, since the box structure is cooled by heat exchange between the outside air and the inside air, it is used because the outside air temperature needs to be lower than the inside temperature when the box structure is cooled. There is a problem that the possible period is limited, and it is required to be able to cool the box structure throughout the year.

  In the configuration of Patent Document 2, the refrigerant is cooled by an electronic cooler using a Peltier element, and the box structure is cooled via the refrigerant. Therefore, when cooling the box structure, Since an electronic cooler is always used, there is a problem of consuming a large amount of power, and there is a demand for reducing power consumption.

  In addition, when both the heat exchange between the outside air and the inside air and a cooler using a heat pump such as a Peltier element are provided, there is a problem that the air passage becomes complicated and maintenance such as enlargement or replacement is difficult, and it is small and consumes annual power consumption. It is required to be able to be suppressed and easy to maintain.

The present invention solves such a conventional problem, and by incorporating a heat exchange element and an auxiliary cooling device in the cooling device , the outside air is cooled by heat exchange when the outside temperature is low, and the outside temperature is high. Sometimes cooling the inside air using an auxiliary cooling device enables cooling of the box structure throughout the year with less power consumption than before, and simplifies the air path in the cooling device, making it easy to maintain The object is to provide a device.

In order to achieve the above object, the cooling device of the present invention is an internal air passage that takes in the internal air, which is air in the box structure, and circulates it back into the box structure, and air outside the box structure. An outside air duct that takes in outside air and discharges it outside the box structure, a heat exchange element that exchanges sensible heat between the outside air and inside air by placing it at the intersection of the outside air passage and the inside air duct, and a cooler in the inside air passage The auxiliary cooling device is provided so that the cooling method by heat exchange between the outside air and the inside air and the cooling method by the auxiliary cooling device can be used individually or in combination. Further, the heat exchange element and the auxiliary cooling device are arranged side by side and air is allowed to flow in parallel so that the height or depth dimension of the auxiliary cooling device is the same as the height or depth dimension of the heat exchange element. Is.

By this means, when the temperature of the outside air is low, it is possible to cool the inside air by directly exchanging the inside air and the outside air. In addition, when flowing in series, a temperature difference cannot be obtained in order to perform heat exchange between the heat exchange element and the auxiliary cooling device on the one hand with the heat exchanged on the other side. Heat exchange is possible due to the difference, enabling high-efficiency operation, and the heat exchange element and auxiliary cooling device are arranged side by side, so the internal air flow path is parallel to the heat exchange element and auxiliary cooling device without major changes. Because it is a simple flow path that can flow inside air, a highly efficient cooling device that suppresses air pressure loss and heat dissipation can be obtained, and there is no need to distinguish between a heat exchange element and an auxiliary cooling device. Raised cooling equipment It is obtained.

  In order to achieve the above object, the cooling device of the present invention is characterized in that the heat exchange element fixing method and the sub-cooling device fixing method are the same.

By this means, there is no distinction between the installation of the heat exchange element and the auxiliary cooling device and the degree of freedom of attachment is high, and a cooling device capable of giving the degree of freedom in the width of the heat exchange element and the auxiliary cooling device is obtained. It is done.

In order to achieve the above object, the cooling device of the present invention is characterized in that the auxiliary cooling device is constituted by a member having two flat surfaces.

By this means, when the auxiliary cooling device is installed side by side with the heat exchange element, a cooling device that can be reduced in size can be obtained by contacting the auxiliary cooling device and the heat exchange element without waste.

In order to achieve the above object, the cooling device according to the present invention is characterized in that the outside air flow path and the inside air flow path are arranged inside the auxiliary cooling device.

  By this means, the heat exchange element has a structure that takes in the outside air and the inside air and exchanges heat, but like the heat exchange element, it has a structure of the air path of the inside air and the outside air, so that the air path of the cooling device body has a simple structure. A cooling device that can be miniaturized is obtained.

In order the cooling device of the present invention to achieve the above object, an inlet and an outlet of the incoming mouth contact and outlet and outside air of the internal air of the auxiliary cooling device, the inlet mouth contact and exit of air inside the heat exchange element It is characterized in that it is provided in the same direction as the direction in which the inlet and outlet of the external air are arranged.

By this means, since the inside air and the outside air can be supplied and exhausted from the same direction to the heat exchange element and the auxiliary cooling device, a cooling device capable of reducing the size of the air passage of the cooling device body with a simple structure is obtained.

The cooling device of the present invention is characterized in that a radiator and a cooler are provided in the auxiliary cooling device in order to achieve the above object.

  By this means, a cooling device that can increase the thermal efficiency and can be miniaturized due to the closeness between the radiator and the cooler is obtained.

In order to achieve the above object, the cooling device of the present invention is characterized in that a radiator, a cooler, and a heat pump that are included in the auxiliary cooling device are integrated.

  By this means, it is possible to improve the thermal efficiency and miniaturize by integrating the main parts, and to obtain a cooling device that can be easily attached and detached for maintenance or the like.

  The cooling device of the present invention is characterized in that the heat pump uses the Peltier effect in order to achieve the above object.

  By this means, it is possible to obtain a cooling device that can be reduced in size by installing a Peltier element between the inside air and the outside air path utilizing the thinness of the Peltier element.

In order to achieve the above object, the cooling device of the present invention includes a radiator provided in the outside air flow path in the auxiliary cooling device, a cooler provided in the inside air flow path, the radiator, It is characterized by the unitization of Peltier elements arranged between the coolers.

  By this means, it is possible to obtain a cooling device that can be integrated and miniaturized by sandwiching the Peltier element between a cooler and a radiator provided in the inside air passage and the outside air passage.

  In order to achieve the above object, the cooling device of the present invention is characterized in that a small heat radiator or a small cooler is arranged for each Peltier element.

  By this means, the thickness differs for each Peltier element due to manufacturing and thermal expansion, so attaching a Peltier element to a small heatsink or small cooler for each Peltier element increases the thermal conductivity and improves thermal efficiency and reliability. Can be obtained.

  In order to achieve the above object, the cooling device of the present invention is characterized in that one Peltier element is attached and integrated with one small radiator or small cooler.

  By this means, it is possible to inspect and replace each unit at the time of maintenance, and to obtain a cooling device capable of improving maintainability and economy.

  In order to achieve the above object, the cooling device of the present invention is characterized in that a means for installing a small cooler is provided in a radiator so that the small cooler can be easily positioned.

  By this means, a cooling device capable of preventing deterioration in thermal efficiency due to a shift in position when a plurality of small coolers is provided can be obtained.

  According to the present invention, by using both heat exchange and a heat pump, it is possible to achieve energy-saving cooling throughout the year without mixing moisture and dust in a state where the box structure is sealed. .

Moreover, since air can be exchanged with a large temperature difference by flowing air in parallel through the heat exchange element and the auxiliary cooling device , the efficiency can be increased.

In addition, by arranging the heat exchange element and the cooler side by side, it is easy to flow air in parallel, and the internal air flow path can be designed with a simple air flow path. Thermal efficiency can be increased by suppressing.

In addition, the height or depth dimension of the auxiliary cooling device is the same as the height or depth dimension of the heat exchange element, the fixing method of the heat exchange element and the fixing method of the auxiliary cooling apparatus are the same, and the auxiliary cooling device is heat exchanged. By constituting the member with two flat surfaces having the same shape as the element, the cooling device can be downsized by increasing the degree of freedom in designing the cooling device.

Further, the inside of the auxiliary cooling device arranged without intersecting the outside air channel and the inner air passage, the inlet and outlet of the inlet mouth contact and outlet and outside air of the internal air of the auxiliary cooling device, the air in the heat exchange element provided input mouth contact and outlet and the inlet and distribution and being in the same direction as the direction of the outlet of the external air, can improve the size and thermal efficiency of the cooling device by blowing circuit and an exhaust circuit of the air with a simple structure .

Further, the auxiliary cooling device is arranged between the outside air flow path, the inside air flow path, the radiator provided in the outside air flow path, the cooler provided in the inside air flow path, the radiator and the cooler. By unitizing the Peltier elements into one unit, the heat efficiency can be improved and the size can be reduced by integrating the heat pump, and the auxiliary cooling device can be used to facilitate the detachment and improve the maintainability.

  In addition, by arranging a small radiator or small cooler for each Peltier element, it is possible to improve the heat efficiency by improving the heat transfer of the Peltier element, and to easily replace and install each Peltier element, thereby improving the maintainability.

The invention according to claim 1 of the present invention includes an inside air air passage that takes in the inside air that is air inside the box structure and circulates it back into the box structure, and outside air that is outside the box structure. An outside air passage that takes in and discharges outside the box structure, a heat exchange element that is arranged at an intersection of the outside air passage and the inside air passage, and exchanges sensible heat between the outside air and the inside air, and cools the inside air passage an auxiliary cooling device arranged vessel, and arranged the auxiliary cooling device and the heat exchange element flowing air to the auxiliary cooling device and the heat exchange elements in parallel, the auxiliary cooling system by the heat exchange element When the cooling system with the cooling device can be operated independently or simultaneously, and the height or depth of the auxiliary cooling device is the same as the height or depth of the heat exchange element, and the outside air temperature is low Direct heat exchange between inside air and outside air And the annual power consumption can be operated with greatly reduced, also, each by blowing in parallel to the auxiliary cooling device and the heat exchange element can heat exchange with a large temperature difference, the heat exchange element of the auxiliary cooling device arranged A simple flow path can achieve high thermal efficiency with reduced air pressure loss and heat dissipation , and the auxiliary cooling device can be installed in the same space as the heat exchange element. Moreover, the fixing method of the heat exchange element and the fixing method of the auxiliary cooling device are the same, and the auxiliary cooling device can be installed without changing the installation portion of the heat exchange element, and the exchange is possible. In addition, by configuring the auxiliary cooling device with a member having two flat surfaces having the same shape as the heat exchange element, the auxiliary cooling device can be installed without a gap, and has an effect that the installation space can be used effectively. It is intended arranged without intersecting the outside air channel and the inner air passage into the interior of the auxiliary cooling device has the effect that it is possible to utilize the same air duct and the heat exchange element. The auxiliary inlet and outlet of the inlet mouth contact and outlet and outside air of the internal air cooling system, enter the mouth contact and outlet and the inlet and distribution and being in the same direction as the direction of the outlet of the external air inside the air heat exchange element The air blowing circuit and the exhaust circuit of the auxiliary cooling device and the heat exchange element can be configured in the same direction. The auxiliary cooling device using a heat pump, a radiator in the auxiliary cooling device, which was provided with a condenser, cooled becomes heat exchange with exhaust heat configure the outside air inside air by receiving a supply of inside air and the outside air It has the effect | action that the ventilation circuit structure of the inside air and outside air of an element can be used. It is intended that integrates radiator and condenser and the heat pump to be configured in the auxiliary cooling device, configuration around the heat pump has the effect of improving desorption and maintenance for completed within the auxiliary cooling device. The auxiliary cooling device includes an outside air passage, an inside air passage, a radiator provided in the outside air passage, a cooler provided in the inside air passage, and between the radiator and the cooler. The Peltier element is provided and is an integrated unit. The Peltier element is used to integrate the radiator and the cooler so that the auxiliary cooling device can be downsized. In addition, a small heat radiator or a small cooler is arranged and integrated for each Peltier element, and a small heat radiator or a small cooler is brought into close contact with each Peltier element to increase the thermal conductivity and increase the thermal efficiency. It has the effect of improving and improving maintainability such as replacement for each Peltier element. In addition, a means for installing a small cooler in the radiator is provided so that the small cooler can be easily positioned, or a guide for installing the small radiator in the cooler is provided. Can be easily positioned, and can be easily and accurately attached and detached, and has the effect of improving thermal conductivity and improving maintainability.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIGS. 1, 2, and 3, the cooling device 1 is configured to be attached to the outer shell of the panel of the box structure 2. In the cooling device 1 installed outside the box structure 2, the inside air, which is the air in the box structure 2, is sucked from the inside air suction port 3, and the heat exchange element 4 and the auxiliary cooling device 5 installed side by side. The inside air flow path 8 is formed so as to flow in parallel from the inside air fan 6 and return from the inside air outlet 7 into the box structure. On the other hand, outside air is air outside the box structure 2 is sucked from the outside air inlet 9, aligned with the heat exchange element 4 are placed in the auxiliary cooling device 5 outside air outlet by the outside air fan 10 after flowing in parallel An outside air passage 12 is formed to be discharged from the outside. Both the outside air fan 10 and the inside air fan 6 are connected to a drive motor 13. A heat exchange element 4 for exchanging heat between the outside air and the inside air, and an auxiliary cooling device 5 serving as a heat pump between the outside air and the inside air at the point where the inside air passage 8 and the outside air passage 12 in the cooling device 1 intersect. is set up.

  FIG. 4 shows the heat exchange element 4. The heat exchange element 4 is formed by laminating a heat transfer plate A14 and a heat transfer plate B15 in which the flow path is resin-molded, and a heat exchange element guide A16a and a heat exchange element guide B16b for attaching the heat exchange element 4 are provided. The element 4 includes an element inside air inlet 17a and an element inside air outlet 17b through which the inside air to be cooled flows, and an element outside air inlet 17c and an element outside air outlet 17d through which the radiated outside air flows. The inside air that has entered from the element inside air inlet 17a is cooled by exchanging heat with the outside air taken in from the element outside air inlet 17c in the heat exchange element 4, and is sent out from the element inside air outlet 17b. The air is exhausted from the outlet 17d. Next, an external view of the auxiliary cooling device 5 is shown in FIG. 5, and a side sectional view is shown in FIG. The auxiliary cooling device 5 includes an outside air flow path 20 constituted by an auxiliary cooling side plate A18 and an auxiliary cooling side plate B19, a cooling outside air inlet 20a that is an inlet of the outside air passage 20, a cooling outside air outlet 20b that is an outlet, an inside air passage 21 and A cooling internal air inlet 21a that is an inlet of the internal air flow path 21 and a cooling internal air outlet 21b that is an outlet are provided, and an auxiliary cooling guide A22 and an auxiliary cooling guide B23 are provided at the upper and lower ends. Further, as shown in FIGS. 7 and 8, the structure of the auxiliary cooling device 5 includes the radiator 24 and the coolers 25 a to 25 f which are small coolers, respectively, air and heat flowing through the outside air passage 20 and the inside air passage 21. It is arranged to be exchanged. The radiator 24 and the coolers 25a to 25f are provided with a cooling base 26 on the back surface of the radiator 24, and guide holes 27a to 27f provided in the cooling base 26 are provided with Peltier modules 28a to 28f provided with the coolers 25a to 25f. It is. As shown in FIG. 9, the Peltier module 28a includes a cooler 25a, which is a small cooler, provided with Peltier elements 29a and screws 30a1 to a4 for fixing to the cooling base 26. Similarly, the Peltier module 28b Each of .about.f includes a cooler that is a small cooler, a Peltier element, and a screw for fixing to the cooling base 26, although not shown.

  FIG. 10 shows a heat exchange chamber 31 where the inside air passage 8 and the outside air passage 12 in the cooling device 1 intersect. The heat exchange element 4 and the auxiliary cooling device 5 have the same length and depth, respectively, the heat exchange element height 32 and the auxiliary cooling device height 34, and the heat exchange element depth 33 and the auxiliary cooling device depth 35 have the same length. It has become. A rail A36 and a rail B37 are provided at the upper and lower portions of the heat exchange chamber 31, respectively. A heat exchange element guide A16a and an auxiliary cooling guide A22 are fixed to the rail A36, and a heat exchange element guide B16b is attached to the rail B37. The auxiliary cooling guide B23 is fixed. At this time, the element inside air inlet 17a and the cooling inside air inlet 21a, the element inside air outlet 17b and the cooling inside air outlet 21b, the element outside air inlet 17c and the cooling outside air inlet 20a, and the element outside air outlet 17d and the cooling outside air outlet 20b are in the same direction. Directed and blown air flows in the same direction and in parallel. In this way, the heat exchange element 4 and the auxiliary cooling device 5 are installed in parallel with the direction of the flow of the outside air and the inside air, and each air path is independent at the intersection of the inside air path 8 and the outside air path 12. The rails A36 and B37 are fixed together.

  With the above configuration, the cooling device 1 takes in outside air and performs heat exchange with the warm air inside the box structure 2 by the heat exchange element 4, so that the outside air that has been warmed is cooled while being exhausted. Air is supplied into the box structure 2. When the outside air temperature is high, the auxiliary cooling device 5 is operated to cool the Peltier modules 28a to 28f by absorbing the warm air inside from the coolers 25a to 25f, while dissipating heat to the outside by the radiator 24. Then, the air in the box structure 2 is cooled by exhausting. Further, since the outside air passage 12 and the inside air passage 8 are independent, the outside air and the inside air are not mixed, so that dust contained in the outside air is not mixed inside the box structure 2, and the box There is no adverse effect of dust on the equipment inside the body structure 2.

And, thereby, except when to outside air temperature becomes high, performs a cooling do not require electric power required for the heat exchange, when the outside air temperature becomes high supplement capacity in cooling the cooling capacity of the heat exchange element 4 by the Peltier element Therefore, power consumption can be kept to a minimum throughout the year and the temperature in the box structure 2 can be lowered, so that a large energy saving is possible, and the integral cooling of the auxiliary cooling device 5 and the air path configuration are heat exchanged. By setting the same direction as the element 4, the air path in the cooling device 1 is simplified, and the maintenance such as reduction of the blowing pressure loss and desorption / replacement can be facilitated.

  Embodiment 2 of the present invention will be described below with reference to the drawings. In addition, the same thing as Embodiment 1 attaches | subjects the same number, and abbreviate | omits the detailed description.

(Embodiment 2)
A side sectional view of the auxiliary cooling device 5 is shown in FIG. The auxiliary cooling device 5 is provided with an outside air passage 20 and an inside air passage 21 constituted by an auxiliary cooling side plate A18 and an auxiliary cooling side plate B19, and an auxiliary cooling guide A22 and an auxiliary cooling guide B23 are provided at the upper end and the lower end. Further, the cooler B38 and the radiators B39a to B39f, which are small radiators, are arranged so as to exchange heat with the air flowing through the outside air passage 20 and the inside air passage 21, respectively. A cooling base 26 is disposed on the back surface of the cooler B38, and Peltier modules B40a-f including radiators B39a-f are disposed. As shown in FIG. 12, the Peltier module B40a is provided with a Peltier element 29a and screws 30a1 to a4 for fixing to the cooling base 26 in the radiator B39a. Similarly, each of the Peltier modules B40a to f is described below. Although not shown, the radiator B, the Peltier element, and a screw for fixing to the cooling base 26 are provided.

  With the above configuration, when the outside air temperature is high, by operating the auxiliary cooling device 5, the Peltier module B40a-f cools the internal warm air by absorbing heat from the cooler B38, while the radiator B39a-f The air in the box structure 2 is cooled by radiating and exhausting. As a result, when the outside air is at a high temperature, the cooling capacity of the heat exchange element 4 is supplemented by cooling with the Peltier element, so that power consumption can be minimized throughout the year and the temperature in the box structure 2 can be lowered. Because it can, it can save a lot of energy.

  In addition, although it was set as the structure provided with the some small cooler in the heat radiator in the Example, it is good also as a structure provided with several small cooler in a some small heat radiator, and does not produce a difference in the effect.

  The present invention is a box structure that is installed outdoors, such as a communication base or a mobile phone base station, and has a heating element inside, which generates a large amount of heat and requires cooling even in winter. It is a high cooling device that is compact and excellent in maintainability.

Schematic showing installation of a cooling device in a box structure according to Embodiment 1 of the present invention Configuration diagram of the inner side surface in a state where it is installed in the box structure of the cooling device of the first embodiment Configuration diagram of the internal front surface of the cooling device of the first embodiment Configuration diagram of heat exchange element of embodiment 1 Schematic of the auxiliary cooling device of the first embodiment Sectional drawing of the side surface of the auxiliary | assistant cooling device of Embodiment 1 Configuration diagram inside auxiliary cooling device of embodiment 1 Configuration diagram inside auxiliary cooling device of embodiment 1 Configuration diagram of Peltier module of the first embodiment Configuration diagram of heat exchange chamber according to Embodiment 1 Sectional drawing of the side surface of the auxiliary | assistant cooling device of Embodiment 2 Configuration diagram of Peltier module B of the second embodiment

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cooling device 2 Box structure 4 Heat exchange element 5 Auxiliary cooling device 8 Inside air path 12 Outside air path 16a Heat exchange element guide A
16b Heat exchange element guide B
17a Element air inlet 17b Element air outlet 17c Element outside air inlet 17d Element outside air outlet 18 Auxiliary cooling side plate A
19 Auxiliary cooling side plate B
20 Outside air flow path 20a Cooling outside air inlet 20b Cooling outside air outlet 21 Inside air flow path 21a Cooling inside air inlet 21b Cooling inside air outlet 22 Auxiliary cooling guide A
23 Auxiliary cooling guide B
24 radiator 25a cooler 25b cooler 25c cooler 27a guide hole 27b guide hole 27c guide hole 27d guide hole 27e guide hole 27f guide hole 28a Peltier module 28b Peltier module 28c Peltier module 28d Peltier module 28e Peltier module 29f Peltier module 29f Peltier module 29f Element 30a1 Screw 30a2 Screw 30a3 Screw 30a4 Screw 32 Heat exchange element height 33 Heat exchange element depth 34 Auxiliary cooling device height 35 Auxiliary cooling device depth 36 Rail A
37 Rail B
38 Cooler B
39a Heatsink B
39b Heatsink B
39c Heatsink B
40a Peltier module B
40b Peltier module B
40c Peltier module B
40d Peltier module B
40e Peltier module B
40f Peltier module B

Claims (12)

An inside air path that takes in the inside air that is air inside the box structure and circulates it back into the box structure, and outside air that takes outside air that is outside the box structure and discharges it outside the box structure An air passage, a heat exchange element for exchanging sensible heat between the outside air and the inside air arranged at the intersection of the outside air passage and the inside air passage, and an auxiliary cooling device in which a cooler is arranged in the inside air passage, The heat exchange element and the auxiliary cooling device are arranged side by side and air flows in parallel to the heat exchange element and the auxiliary cooling device, and the cooling method by the heat exchange element and the cooling method by the auxiliary cooling device are each independently operated or simultaneously. A cooling device that enables operation and has a height or depth dimension of the auxiliary cooling device equal to a height or depth dimension of the heat exchange element. An inside air path that takes in the inside air that is air inside the box structure and circulates it back into the box structure, and outside air that takes outside air that is outside the box structure and discharges it outside the box structure An air passage, a heat exchange element for exchanging sensible heat between the outside air and the inside air arranged at the intersection of the outside air passage and the inside air passage, and an auxiliary cooling device in which a cooler is arranged in the inside air passage, The heat exchange element and the auxiliary cooling device are arranged side by side and air flows in parallel to the heat exchange element and the auxiliary cooling device, and the cooling method by the heat exchange element and the cooling method by the auxiliary cooling device are each independently operated or simultaneously. A cooling device characterized in that it can be operated and the fixing method of the heat exchange element and the fixing method of the auxiliary cooling device are the same. An inside air path that takes in the inside air that is air inside the box structure and circulates it back into the box structure, and outside air that takes outside air that is outside the box structure and discharges it outside the box structure An air passage, a heat exchange element for exchanging sensible heat between the outside air and the inside air arranged at the intersection of the outside air passage and the inside air passage, and an auxiliary cooling device in which a cooler is arranged in the inside air passage, The heat exchange element and the auxiliary cooling device are arranged side by side and air flows in parallel to the heat exchange element and the auxiliary cooling device, and the cooling method by the heat exchange element and the cooling method by the auxiliary cooling device are each independently operated or simultaneously. A cooling device characterized in that it can be operated and can be installed side by side with the heat exchange element without a gap by configuring the auxiliary cooling device with a member having two flat surfaces. An inside air path that takes in the inside air that is air inside the box structure and circulates it back into the box structure, and outside air that takes outside air that is outside the box structure and discharges it outside the box structure An air passage, a heat exchange element for exchanging sensible heat between the outside air and the inside air arranged at the intersection of the outside air passage and the inside air passage, and an auxiliary cooling device in which a cooler is arranged in the inside air passage, The heat exchange element and the auxiliary cooling device are arranged side by side and air flows in parallel to the heat exchange element and the auxiliary cooling device, and the cooling method by the heat exchange element and the cooling method by the auxiliary cooling device are each independently operated or simultaneously. to enable the operation, the auxiliary cooling cooling apparatus, characterized in that arranged without intersecting the outside air channel and the inner air flow path within the device. An inside air path that takes in the inside air that is air inside the box structure and circulates it back into the box structure, and outside air that takes outside air that is outside the box structure and discharges it outside the box structure An air passage, a heat exchange element for exchanging sensible heat between the outside air and the inside air arranged at the intersection of the outside air passage and the inside air passage, and an auxiliary cooling device in which a cooler is arranged in the inside air passage, The heat exchange element and the auxiliary cooling device are arranged side by side and air flows in parallel to the heat exchange element and the auxiliary cooling device, and the cooling method by the heat exchange element and the cooling method by the auxiliary cooling device are each independently operated or simultaneously. to enable the operation, the auxiliary inlet der internal air cooling system Ru cold却内gas inlet and outlet der Ru cold却内gas outlet and Ru inlet der external air cooling却外air inlet port and outlet der Ru cooling outside air exit is the entrance of air inside the heat exchange element交内provided care inlet and distribution is the direction in the same direction of the heat交外air outlet is heat交外gas inlet and outlet is a heat交内gas outlet and the inlet of external air is outlet, a pre Kihiya retirement unit in the main body Installed side by side with the heat exchange element. The Thereby, the front Kihiya却内air inlet and the heat交内air inlet and pre Kihiya却内air outlet and the heat交内gas outlet also before Kihiya却外air outlet and the heat交外gas inlet and before Kihiya却外gas inlet A cooling device in which the heat exchange outside air outlets are arranged side by side and the air blower circuit and the exhaust circuit are simple. An inside air path that takes in the inside air that is air inside the box structure and circulates it back into the box structure, and outside air that takes outside air that is outside the box structure and discharges it outside the box structure An air passage, a heat exchange element for exchanging sensible heat between the outside air and the inside air arranged at the intersection of the outside air passage and the inside air passage, and an auxiliary cooling device in which a cooler is arranged in the inside air passage, The heat exchange element and the auxiliary cooling device are arranged side by side and air flows in parallel to the heat exchange element and the auxiliary cooling device, and the cooling method by the heat exchange element and the cooling method by the auxiliary cooling device are each independently operated or simultaneously. A cooling device characterized in that operation is possible , a heat pump is used as the auxiliary cooling device, and a radiator and a cooler are provided in the auxiliary cooling device. The cooling device according to claim 6, wherein a radiator, a cooler, and a heat pump that are configured in the auxiliary cooling device are integrated. The cooling device according to claim 7 , wherein the heat pump used in the auxiliary cooling device uses a Peltier effect. The auxiliary cooling device is arranged between an outside air flow path, an inside air flow path, a radiator provided in the outside air flow path, a cooler provided in the inside air flow path, and the radiator and the cooler. 9. The cooling device according to claim 8 , wherein the cooling device is provided as a single unit. By arranging a plurality of Peltier elements in the radiator or cooler and arranging a small radiator or small cooler for each Peltier element, the Peltier elements are individually fixed and improved in heat transfer performance. The cooling device according to claim 9, which can be integrated. By the fact that the Peltier element 1 mounting integrated into one small radiator or small cooler exchanger and cooling device according to claim 1 0, wherein the wherein the inspection is easy of the Peltier element. A means for installing a small cooler on the radiator is provided so that the small cooler can be easily positioned, or a guide for installing the small radiator on the cooler is provided to facilitate the small radiator. The cooling device according to claim 10 , wherein positioning is possible.

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