JP2022188771A - Temperature control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To avoid deterioration in cooling efficiency of a cooling medium in a heat exchanger attributed to the radiation heat from a housing.

SOLUTION: An upper storage part 2H of a housing 2 is provided with air introduction ports Hi on the front face and the back face respectively, and first heat exchangers are stored at positions close to the front face and close to the back face respectively so that introduced air can pass. Outlets Ho for the air caused to pass through each first heat exchanger are opened on an upper panel 51, and a fan 25 is attached. Both sides are composed of a side panel 41f disposed on the side of the first heat exchanger close to the front face, a side panel 41r disposed on the side of the first heat exchanger close to the back face, and a side panel 41c disposed between the panels 41f and 41r. Heat insulation capability on the outer face side of the panels 41f, 41r, and 51 is higher than the heat insulation capability on the outer face side of the panel 41c, and heat radiation capability on the outer face side of the panel 41c is higher than the heat radiation capability on the outer face side of the panels 41f, 41r, and 51.

SELECTED DRAWING: Figure 1

COPYRIGHT: (C)2023,JPO&INPIT

Description

Patent Act Article 30, Paragraph 2 application filed On May 1, 2021, Orion Machinery Co., Ltd. published a catalog of a temperature control device (eco-hybrid chiller) invented by the inventor of this application.

Patent Act Article 30, Paragraph 2 application filed The adjustment device (eco-hybrid chiller) was released.

There is an application for the application of Article 30, Paragraph 2 of the Patent Law On January 19, 2021, Orion Machinery Co., Ltd. announced that the inventor of this application was An introductory article on the invented temperature control device (eco-hybrid chiller: free cooling module chiller FCMC55A) was published.

Patent Law Article 30, Paragraph 2 application filed A temperature control device (eco-hybrid chiller) invented by the inventor of the present application has been disclosed.

There is an application for application of Article 30, Paragraph 2 of the Patent Law On April 13, 2021, Ipros Co., Ltd., on the questionnaire response page of its website, disclosed the temperature control device (Eco Hybrid) invented by the inventor of this application. Chiller) was released.

There is an application for application of Article 30, paragraph 2 of the Patent Law On January 25, 2021, Orion Machinery Co., Ltd. published a catalog of the temperature control device (eco hybrid chiller) invented by the inventor of this application, and then , and published the digital data on its website. In addition, on March 31, 2021, Orion Machinery Co., Ltd. published a catalog of the temperature control device (eco-hybrid chiller) invented by the inventor of the present application, and then posted the digital data on its website. published.

There is an application for application of Article 30, Paragraph 2 of the Patent Act On March 30, 2021, Hokkaido Orion Co., Ltd. posted on an employee business card (Form A) a temperature control device (Eco Hybrid) invented by the inventor of this application. Chiller) was released. In addition, on April 16, 2021, Hokkaido Orion Co., Ltd. published a temperature control device (eco-hybrid chiller) invented by the inventor of this application on an employee business card (Form B).

There is an application for application of Article 30, Paragraph 2 of the Patent Law On February 3, 2021, Air Conditioning Times Co., Ltd. published a temperature control device (eco hybrid Chiller) was released.

There is an application for application of Article 30, Paragraph 2 of the Patent Law On January 26, 2021, Orion Machinery Co., Ltd. published a pamphlet "Orion Mail Magazine vol. The adjustment device (eco-hybrid chiller) was released. In addition, on February 9, 2021, Orion Machinery Co., Ltd. published a pamphlet "Orion Equipment One Point News vol. The device (eco-hybrid chiller) was released. In addition, on February 16, 2021, Orion Machinery Co., Ltd. published a temperature control device (eco-hybrid chiller) invented by the inventor of this application in its own pamphlet "Orion Mail Magazine vol.78". did. In addition, on March 30, 2021, Orion Machinery Co., Ltd. published a temperature control device (eco-hybrid chiller) invented by the inventor of this application in its own pamphlet "Orion Mail Magazine vol.83". did.

There is an application for application of Article 30, Paragraph 2 of the Patent Act On January 20, 2021, Nikkei Inc. published the invention of the present application in the Nihon Keizai Shimbun (paper and electronic version publication pages) issued by the same company. published a temperature control device (eco-hybrid chiller) invented by

Application for application of Article 30, paragraph 2 of the Patent Law is filed The invented temperature control device (eco-hybrid chiller) was released to the public.

Application for application of Article 30, paragraph 2 of the Patent Law is filed On January 20, 2021 and March 9, 2021, Nikkan Kogyo Shimbun Co., Ltd. published this application in the Nikkan Kogyo Shimbun published by the same company. published a temperature control device (eco-hybrid chiller) invented by the inventor of

There is an application for application of Article 30, Paragraph 2 of the Patent Act On January 30, 2021, Suzaka Shimbun Co., Ltd. published a temperature control device (eco hybrid chiller) invented by the inventor of this application in the Suzaka Shimbun published by the company ) was published.

There is an application for application of Article 30, Paragraph 2 of the Patent Act On April 4, 2021, Ishikawa Shoji Co., Ltd., in the pamphlet published by itself, describes a temperature control device (free cooling chiller) invented by the inventor of this application. published.

There is an application for the application of Article 30, Paragraph 2 of the Patent Law On January 7, 2021, Orion Machinery Co., Ltd. published a temperature control device (eco-hybrid chiller) invented by the inventor of this application on an employee business card. did.

Applied for application of Article 30, Paragraph 2 of the Patent Law On January 20, 2021, Shinano Mainichi Shimbun Co., Ltd. published a temperature control device (Eco hybrid chiller) was released.

There is an application for the application of Article 30, Paragraph 2 of the Patent Act On April 12, 2021, the Japan Metal Stamping Industry Association announced that the invention of the present application was published in the JMSA Newsletter (April issue) issued by the same corporation. published a temperature control device (eco-hybrid chiller) invented by

There is an application for the application of Article 30, Paragraph 2 of the Patent Law On May 3, 10, 17, 24, and 31, 2021, Tokyo Shoko Research Co., Ltd. published the TSR information magazine (Nagano Prefecture version) issued by the company, A temperature control device (eco-hybrid chiller) invented by the inventor of the present application has been disclosed.

Application for application of Article 30, paragraph 2 of the Patent Law is filed The temperature control device (eco-hybrid chiller) invented by the inventor of the application was published, and on March 5, 2021, the Society of Air-Conditioning and Sanitary Engineering Public Interest Incorporated Association published Air-Conditioning and Sanitary Engineering ( March issue), the temperature control device (eco-hybrid chiller) invented by the inventor of this application was published, and on April 5, 2021, the Society of Air-Conditioning and Sanitary Engineers of Japan announced the same A temperature control device (eco-hybrid chiller) invented by the inventor of the present application was published in Air Conditioning and Sanitary Engineering (April issue) published by a corporation.

Application for application of Article 30, Paragraph 2 of the Patent Act is filed On February 20, 2021, Nikkan Kogyo Shimbun Co., Ltd. published the invention in the factory management (March issue) published by the same inventor. Along with the disclosure of the temperature control device (eco-hybrid chiller), on May 20, 2021, Nikkan Kogyo Shimbun Co., Ltd. published in the factory management (June issue) issued by the company that the inventor of this application The invented temperature control device (eco-hybrid chiller) was released to the public.

Applied for application of Article 30, Paragraph 2 of the Patent Law On March 25, 2021, Yamazen Co., Ltd. invented in the Monozukuri Handbook Serecina (2021 vol.9) published by the same company. A temperature control device (eco-hybrid chiller) was released.

There is an application for application of Article 30, Paragraph 2 of the Patent Act On February 1, 2021, Nikkan Kogyo Shimbun Co., Ltd. published the new product information (February issue) published by the same company, and the inventor of this application was invented On March 1, 2021, Nikkan Kogyo Shimbun Co., Ltd. published the new product information (March issue) issued by the company, and the inventor of this application released the temperature control device (Eco Hybrid Chiller) invented by the company, and on April 1, 2021, Nikkan Kogyo Shimbun Co., Ltd. published the new product information (April issue) issued by the company. A temperature control device (eco-hybrid chiller) invented by the inventor was disclosed.

There is an application for application of Article 30, Paragraph 2 of the Patent Law On June 5, 2021, Nippon Kogyo Publishing Co., Ltd. published the building equipment and plumbing work (June issue) published by the same company, and the inventor of this application The invented temperature control device (eco-hybrid chiller) was released to the public.

Patent Act Article 30, Paragraph 2 application filed From February 22 to March 21, 2021 and from May 6 to June 2, 2021, Ipros Co., Ltd. has applied for "Google Display The temperature control device (free cooling module chiller) invented by the inventor of the present application was disclosed by posting banner advertisements on the web using "Network" and "Yahoo Display Ad Network".

The present invention is configured such that a heat exchanger for adjusting the temperature of a heat transfer liquid is accommodated in a housing and the temperature of a supply target is adjustable by supplying the temperature-controlled heat transfer liquid to the supply target. It relates to a temperature control device.

As a temperature control device of this type, the following patent documents disclose a chilling unit (heat exchange unit) in which refrigerating cycle components and the like are housed in a steel housing and configured to be installed outdoors. In this chilling unit, a machine room (lower accommodation part) and a heat exchange room (upper accommodation part) are provided in the housing. condenser) is housed in the heat exchange chamber. In this case, the machine room consists of frames placed at its four corners, two sides (two sides called front and back in the same document) and two sides called sides in the same document. and four end plates for closing the surface). In addition, the heat exchange chamber includes a frame arranged at its four corners, and two end plates closing two opposing side surfaces (two surfaces referred to as front and back surfaces in the document), The front and back (two sides referred to as side surfaces in the same document) are opened as air inlets, a heat exchanger is attached, and three air outlets are opened on the top surface to provide a blower (propeller fan: condenser fan) is installed.

In this chilling unit, the air in the heat exchange chamber is sucked out from the air outlet by the blower, so that the air outside the heat exchange chamber is sucked into the heat exchange chamber through the air suction port. Also, when the sucked air is passed through the heat exchanger, it is heat-exchanged with the refrigerant in the heat exchanger. As a result, the heat absorbed from the heat transfer liquid (such as water supplied to the object to be cooled) in another heat exchanger (refrigerant evaporator) housed in the machine room is transferred to the atmosphere (passing through the heat exchanger in the heat exchange room). heat is dissipated into the air) In addition, the refrigerant whose temperature is lowered and condensed in the heat exchanger in the heat exchange chamber is passed through the expansion valve and then supplied to another heat exchanger in the machine chamber to absorb heat from the heat transfer fluid. The heat transfer fluid is cooled.

Japanese Patent Application Laid-Open No. 2007-163017 (pages 4-6, Figures 1-7)

However, the chilling unit disclosed in the above patent document has the following problems to be solved. Specifically, the cooling device such as the chilling unit is generally installed on the ground or on the roof of a building for use. This is intended to supply sufficiently cool air to the heat exchangers in the heat exchange chamber and to avoid excessively high room temperatures caused by hot air sucked out of the heat exchange chamber. For this purpose, there are often no tall structures or trees in the vicinity of the installed chilling unit. Therefore, in this type of cooling device, a wide range of the outer surface of the housing is exposed to sunlight during the sunshine hours, regardless of whether the cooling device is in operation or not.

In this case, in the chilling unit disclosed in the above patent document, steel end plates are arranged on both sides of the heat exchanger that lowers the temperature of the refrigerant by heat exchange with the air sucked from the outside of the heat exchange chamber. A steel top plate is also provided above the heat exchanger. Therefore, when this chilling unit is installed on the ground or on the roof of a building, the temperature of both end plates and the top plate is raised to a temperature higher than that of the outside air when the housing is irradiated with sunlight. For this reason, in this chilling unit, the temperature of the heat exchanger in the heat exchange chamber is raised by the radiant heat from the both end face plates and the top plate whose temperature has been raised, resulting in a decrease in cooling efficiency of the refrigerant in the heat exchanger.

In addition, even if the housing is not irradiated with sunlight or the amount of irradiation is small, air that has passed through the heat exchanger in the heat exchange chamber (air that has been heat-exchanged with the refrigerant) ) is at a very high temperature, the temperature of the housing rises while this air moves through the heat exchange chamber and is sucked out of the air outlet. Therefore, even when sunlight is not irradiated or the amount of irradiation is small, the temperature of the heat exchanger in the heat exchange chamber is increased by the radiant heat from the both end face plates whose temperature is increased. The cooling efficiency of the refrigerant will decrease.

As described above, in the above chilling unit, the cooling efficiency of the refrigerant in the heat exchanger decreases due to the radiant heat from the end face plates and the top plate that constitute the heat exchange chamber, and this causes the cooling efficiency of the heat transfer liquid to decrease. There is a problem of declining

SUMMARY OF THE INVENTION The present invention has been made in view of such problems to be solved, and aims to provide a temperature control device capable of suitably avoiding a decrease in refrigerant cooling efficiency in a heat exchanger caused by radiant heat from a housing. Main purpose.

In order to achieve the above object, a temperature control device according to claim 1 comprises a refrigeration cycle for regulating the temperature of a heat transfer liquid, and a housing capable of accommodating the refrigeration cycle, wherein the heat transfer liquid whose temperature is adjusted is provided. A temperature adjustment device configured to be able to adjust the temperature of a supply target by supplying to the supply target, wherein the housing includes a lower housing portion and an upper housing portion, and the refrigeration cycle includes a compressor, A first heat exchanger that condenses the refrigerant by exchanging heat with air, an expansion valve, a second heat exchanger that cools the heat transfer liquid by exchanging heat with the refrigerant, and the first heat exchanger. a blower for blowing the air, wherein the lower accommodating portion accommodates at least the compressor, the expansion valve and the second heat exchanger, and the upper accommodating portion can introduce the air. At least one of the first heat exchangers is accommodated at a position closer to the front and a position closer to the back so that the air introduced from each of the inlets can pass through. and an exhaust port capable of exhausting the air that has passed through each of the first heat exchangers is opened in the upper panel, the blower is attached to the upper panel, and the upper housing part is located near the front side A first panel disposed on the side of the first heat exchanger housed in the position, and a second panel disposed on the side of the first heat exchanger housed in the position closer to the back side A panel and a third panel arranged between the first panel and the second panel respectively constitute both side surfaces, and the outer surface sides of the first panel, the second panel and the top panel are provided. The heat shielding ability is higher than the heat shielding ability of the outer surface side of the third panel, and the heat dissipation ability of the outer surface side of the third panel is higher than that of the outer surface side of the first panel, the second panel, and the top panel. It is formed so as to be higher than the heat dissipation capacity.

The temperature control device according to claim 2 is the temperature control device according to claim 1, wherein the lower accommodation part has a heat shielding capacity on the outer surface side of the front panel, the rear panel, and the side panels, which is equal to that on the outer surface side of the third panel. is formed to be higher than the heat shielding ability of

The temperature control device according to claim 3 is the temperature control device according to claim 1 or 2, wherein the temperature of the first heat transfer fluid as the heat transfer fluid can be adjusted by the refrigeration cycle, and the introduction A third heat exchanger that cools the second heat transfer fluid by heat exchange with the air introduced from the port, and a fourth heat exchanger that cools the first heat transfer fluid by heat exchange with the second heat transfer fluid. wherein the third heat exchanger is accommodated in the upper accommodation portion and arranged between the first heat exchanger and the inlet, and the fourth heat exchanger is accommodated in the lower accommodation portion. The first panel and the second panel are disposed laterally of the first heat exchanger and the third heat exchanger.

The temperature adjustment device according to claim 4 comprises a heat exchanger, a housing that can accommodate the heat exchanger, and a blower that blows air so as to pass through the heat exchanger. Adjusting the temperature of the heat medium liquid in the heat exchanger by exchanging heat with the air introduced by the air blower from the inlet provided respectively, and supplying the temperature-adjusted heat medium liquid to the supply target. wherein the heat exchanger is located near the front in the housing and at a position that allows passage of the air introduced from each of the introduction ports. Each of the blowers is housed at a position closer to the back, and the blowers are attached to the top panel of the housing so that the air that has passed through each of the heat exchangers can be discharged from an exhaust port opened in the top panel of the housing, The housing includes a panel A arranged on the side of the heat exchanger housed in the position near the front, and a panel A arranged on the side of the heat exchanger housed in the position near the back. The panel B and the panel C arranged between the panel A and the panel B respectively constitute both side surfaces, and the heat shielding capacity of the outer surface side of the panel A, the panel B and the top panel is higher than the heat shielding ability of the outer surface side of the panel C, and the heat dissipation ability of the outer surface side of the panel C is higher than the heat dissipation ability of the panel A, the panel B and the top panel. is formed in

The temperature control device according to claim 5 is the temperature control device according to any one of claims 1 to 4, wherein the housing is made of a metal thin plate having a coating film formed on the outer surface, and each of the panels is composed of a thin metal plate. In addition, the heat shielding ability and the heat dissipation ability are made different by the difference of the paint that constitutes the coating film.

In the temperature control device according to claim 1, the first panel disposed on the side of the first heat exchanger housed in the front side position, the first heat exchanger housed in the back side position and a third panel disposed between the first panel and the second panel. The heat shielding ability of the outer surface side of the panel is higher than the heat shielding ability of the outer surface side of the third panel, and the heat dissipation ability of the outer surface side of the third panel is the heat dissipation ability of the outer surface sides of the first panel, the second panel and the top panel. An upper accommodating portion of the housing is formed so as to be higher than the housing.

Therefore, according to the temperature adjustment device of claim 1, the heat shielding ability of the outer surface side of the first panel, the second panel, and the top panel is high, so even when the housing is irradiated with sunlight, , the first panel, the second panel, and the top panel are not excessively heated, the temperature of the first heat exchanger is raised by the radiant heat from the first panel, the second panel, and the top panel, and the first It is possible to preferably avoid a situation in which the heat exchange efficiency between the air and the refrigerant in the heat exchanger (that is, the cooling efficiency of the refrigerant) is lowered. In addition, since the heat dissipation capacity of the outer surface side of the third panel is high, even if the temperature of the third panel rises due to contact with the air whose temperature has increased by passing through the first heat exchanger, this heat is transferred to the third panel. Since heat is smoothly radiated from the outer surface side to the air outside the upper housing part, the temperature of the first heat exchanger is raised by the radiant heat from the third panel, and the heat exchange efficiency between the air and the refrigerant in the first heat exchanger ( That is, it is possible to preferably avoid a situation in which the cooling efficiency of the refrigerant is lowered. Therefore, according to this temperature control device, it is possible to suitably avoid a decrease in the cooling efficiency of the heat transfer fluid supplied to the object to be supplied.

Further, according to the temperature control device of claim 2, the lower accommodating portion is arranged such that the heat shielding ability of the outer surface side of the front panel, the rear panel, and the side panels is higher than the heat shielding ability of the outer surface side of the third panel. By forming the Radiant heat from the panel raises the temperature of the second heat exchanger in the lower accommodation portion, thereby lowering the heat exchange efficiency between the refrigerant and the heat medium liquid in the second heat exchanger (that is, the cooling efficiency of the heat medium liquid). It is possible to suitably avoid the situation, and it is possible to suitably avoid the situation where the temperature of the control section, the power supply section, and the like in the lower accommodation section is raised and the normal operation is disturbed.

Further, according to the temperature control device according to claim 3, the first heat exchanger that condenses the refrigerant by heat exchange with the air, and the third heat exchanger that cools the second heat transfer liquid by heat exchange with the air By arranging the first panel and the second panel on the side of the housing, even when the housing is irradiated with sunlight, the first heat is generated by the radiant heat from the first panel, the second panel, and the top panel. A situation in which the heat exchange efficiency between the air and the second heat transfer fluid in the third heat exchanger (that is, the cooling efficiency of the second heat transfer fluid) is reduced due to the temperature rise of the heat exchanger and the third heat exchanger. It can be preferably avoided. Therefore, according to this temperature adjustment device, it is possible to more preferably avoid a decrease in the cooling efficiency of the first heat transfer fluid supplied to the object to be supplied.

Further, in the temperature control device according to claim 4, the panel A disposed on the side of the heat exchanger housed in the position near the front, the side of the heat exchanger housed in the position near the back Both side surfaces are respectively constituted by the panel B arranged in and the panel C arranged between the panel A and the panel B, and the heat shielding ability of the outer surface side of the panel A, the panel B and the top panel is The housing is formed so that the heat shielding ability of the outer surface side of the panel C is higher than that of the outer surface side of the panel C, and the heat dissipation ability of the outer surface side of the panel C is higher than the heat dissipation ability of the outer surface sides of the panel A, the panel B, and the top panel. .

Therefore, according to the temperature control device of claim 4, the panel A, the panel B, and the top panel have a high heat shielding ability on the outer surface side, so even when the housing is irradiated with sunlight, the panel Since the temperature of A, panel B, and the top panel is not excessively increased, the temperature of the heat exchanger is increased by the radiant heat from panel A, panel B, and the top panel, and the air and the heat transfer liquid in the heat exchanger are heated. It is possible to preferably avoid a situation in which the heat exchange efficiency of is lowered. In addition, since the heat dissipation capability of the outer surface side of the panel C is high, even if the temperature of the panel C rises due to contact with the air whose temperature has increased due to the passage of the heat exchanger, this heat is transferred from the outer surface side of the panel C to the outside of the housing. Since the heat is smoothly radiated to the air of the panel C, it is possible to preferably avoid a situation in which the temperature of the heat exchanger is increased by the radiant heat from the panel C and the heat exchange efficiency between the air and the heat transfer fluid in the heat exchanger is lowered. can be done. Therefore, according to this temperature control device, it is possible to suitably avoid a decrease in the cooling efficiency of the heat transfer fluid supplied to the object to be supplied.

Further, according to the temperature control device of claim 5, each panel of the housing is composed of a metal thin plate having a coating film formed on the outer surface, and the heat shielding ability is obtained by the difference in the paint that constitutes the coating film. And by making the heat dissipation capability different, the heat shielding of each panel can be achieved without increasing the manufacturing cost compared to the configuration in which the material, thickness, etc. of the panel itself is changed to make the heat shielding capability and heat dissipation capability different. Capabilities and heat dissipation capabilities can be reliably and easily differentiated.

It is an external appearance perspective view of the chiller 1. FIG. It is a side view of the chiller 1. FIG. It is a block diagram of the chiller 1. FIG.

Hereinafter, embodiments of a temperature control device will be described with reference to the accompanying drawings.

The chiller 1 shown in FIGS. 1 to 3 is an example of a "temperature adjustment device", and supplies water cooled by the chiller 1 to external devices such as various mechanical equipment and air conditioners (an example of a "supply target"). Therefore, the external device itself, the object to be processed by the external device, and the air in the room where the air conditioner is installed can be cooled (adjusted in temperature). Specifically, the chiller 1 includes a housing 2, a free cooling section 3, a refrigeration cycle 4, an operation section 5, a display section 6, a pump 7, a control section 8 and a power supply section 9, as shown in FIG. , the brine cooled by the free cooling unit 3 (which is an example of the "second heat transfer liquid" in the present invention described in claim 3 and an example of the "heat transfer liquid" in the present invention described in claim 4), which will be described later Water (fresh water) supplied to the external device in the heat exchanger 12 is an example of the "heat transfer liquid" in the present invention described in claims 1 and 2, and is the "first heat transfer liquid" in the present invention described in claim 3. (an example)), and the refrigerating cycle 4 can directly cool water supplied to an external device in a heat exchanger 24, which will be described later.

The housing 2 is an example of "a housing capable of housing a refrigerating cycle" in the present invention as defined in Claims 1 to 3, and "a housing capable of housing a heat exchanger" in the present invention as defined in Claim 4. It is an example, as shown in FIGS. Each component 3 to 9 can be accommodated.

As shown in FIG. 3, the free cooling section 3 includes heat exchangers 11, 11 (an example of the "third heat exchanger" in the invention of claim 3, and " an example of a "heat exchanger"), a heat exchanger 12 (an example of a "fourth heat exchanger" in the invention of claim 3 and an example of a "supply target" in the invention of claim 4), and Equipped with a pump 13 , the pump 13 is arranged in a circuit for circulating brine between the heat exchangers 11 , 11 and the heat exchanger 12 . As will be described later, the brine pumped by the pump 13 is cooled by heat exchange with the air when passing through the heat exchangers 11, 11, and the cooled brine is 12, the water is cooled (temperature adjusted) by heat exchange between the brine and the water. In this case, in the chiller 1 of this example, the heat exchangers 11, 11 are housed in the upper housing portion 2H of the housing 2, and the heat exchanger 12 and the pump 13 are housed in the lower housing portion 2L of the housing 2. ing.

The refrigerating cycle 4 is an example of "a refrigerating cycle that adjusts the temperature of the heat transfer liquid", and includes a compressor 21, heat exchangers 22, 22 (the "first heat exchanger" in the present invention described in claims 1 to 3 ”), an expansion valve 23, a heat exchanger 24 (an example of a “second heat exchanger” in the invention of claims 1 to 3), and a fan 25 (an example of a “blower”). In this case, in the chiller 1 of this example, the compressor 21, the expansion valve 23, and the heat exchanger 24 are housed in the lower housing portion 2L of the housing 2, and the heat exchangers 22, 22 are housed in the upper housing portion of the housing 2. 2H, and a fan 25 is mounted on the housing 2 (upper housing portion 2H) as will be described later.

The operation unit 5 includes an operation switch for starting/stopping the operation of the chiller 1 and an operation switch for setting the operating conditions of the chiller 1 (such as the temperature and amount of water supplied to the external device). A corresponding operation signal is output to the control unit 8 . The display unit 6 displays a screen for setting the operating conditions of the chiller 1 and a screen showing the operating state of the chiller 1 (both not shown) under the control of the control unit 8 . The pump 7 pressure-feeds the water to be supplied to the external device to the heat exchangers 12 and 24 under the control of the controller 8 . In this example, a configuration including a pump 7 for pumping water as a "heat medium liquid (first heat medium liquid)" will be described as an example. It is also possible to adopt a configuration (a configuration without the pump 7) that utilizes an existing pump disposed in the supply pipe of the first heat transfer fluid).

The control unit 8 comprehensively controls the chiller 1 . Specifically, the control unit 8 controls the free cooling unit 3 (pump 13) and the refrigeration cycle 4 (compressor 21, expansion valve 23 and fan 25) to cool the water supplied to the external device. Further, the control unit 8 controls the pump 7 to pump (supply) the cooled water toward the external device. The power supply unit 9 supplies power to each component 3 to 8 of the chiller 1 under the control of the control unit 8 .

In this case, as shown in FIGS. 1 and 2, in the chiller 1 of this example, an introduction port Hi (an example of an “introduction port”) through which air can be introduced into the upper housing portion 2H is provided on the front and back sides of the housing 2. Each provided and passed through the air in the upper housing part 2H (“third heat exchanger (“heat exchanger” in the present invention according to claim 4)” and “each first heat exchanger” An exhaust port Ho (an example of an “exhaust port”) through which air can be exhausted is provided on the upper surface of the housing 2 . In this example, the configuration and operation of the chiller 1 will be described with the surface of the housing 2 on which the operation unit 5 and the display unit 6 are arranged as the "front".

In addition, as shown in FIG. 2, in the chiller 1 of this example, the heat exchangers 11 and 22 are accommodated at positions closer to the front and closer to the back of the upper accommodation portion 2H (near both inlets Hi), respectively. there is In this case, the two heat exchangers 11 and 22 are each inclined so that the upper end side protrudes from the lower end side (both heat exchangers 11 and 22 are overhanged). Specifically, in the chiller 1 of this example, both the heat exchangers 11, 11 are housed in a V-shaped (inverted V-shaped) housing attitude when viewed from the side. The distance between the upper end portion of the heat exchanger 11 arranged near the back side and the upper end portion of the heat exchanger 11 accommodated in the position closer to the back side is the distance between the lower end portion of the heat exchanger 11 accommodated in the position closer to the front side and the upper end portion closer to the back side. It is larger than the separation distance from the lower end of the heat exchanger 11 housed in the position. In addition, in the chiller 1 of this example, both the heat exchangers 22, 22 are housed in a V-shaped (inverted V-shaped) housing attitude when viewed from the side. The distance between the upper end portion of the heat exchanger 22 and the upper end portion of the heat exchanger 22 accommodated in the position closer to the back is the lower end portion of the heat exchanger 22 accommodated in the position closer to the front and the position closer to the back. It is larger than the separation distance from the lower end of the heat exchanger 22 that is formed.

As a result, in the chiller 1 of this example, both the heat exchangers 11, 11 and the two heat exchangers 22, 22 are accommodated in a vertical or substantially vertical accommodation posture, or in a side view V-shaped accommodation posture. Compared to the state in which the heat exchangers 11 and 22 are exposed to direct sunlight, it is particularly difficult for the heat exchangers 11 and 22 to receive direct sunlight. , 22 are prevented from being exposed to direct sunlight. As a result, the temperature rise of the heat exchangers 11 and 22 due to the reception of sunlight is preferably avoided. 22 can sufficiently improve the cooling efficiency of the refrigerant.

Further, in the chiller 1 of this example, the heat exchanger 11 of the free cooling section 3 is arranged closer to the inlet Hi than the heat exchanger 22 of the refrigerating cycle 4, and as described later, the inlet The air introduced from Hi into the upper accommodating portion 2H is configured to pass through the heat exchanger 11 and the heat exchanger 22 in this order. At least one first heat exchanger is housed at each of the front-side position and the back-side position so that the introduced air can pass through. is an example of a configuration in which the "heat exchanger" is arranged "between the first heat exchanger and the inlet", and the "heat exchanger" in the present invention described in claim 4 is "the air introduced from each inlet are housed at positions closer to the front and closer to the back in the housing so that they can pass through" (example of the configuration ").

In addition, in the chiller 1 of this example, as an example, one heat exchanger 11 and one heat exchanger 22 are accommodated at a position closer to the front of the upper accommodation portion 2H, and one heat exchanger is accommodated at a position closer to the back. 11 and one heat exchanger 22 are accommodated (an example in which the heat exchanger 11 and the heat exchanger 22 are each constituted by one "heat exchanger" having approximately the same size as the exhaust port Ho). Instead of such a configuration, a plurality of "first heat exchangers" arranged in the vertical direction and/or the horizontal direction may be accommodated in positions near the front and positions near the back of the upper housing portion 2H. A plurality of "third heat exchangers (heat exchangers)" arranged in the direction and/or the left-right direction can also be accommodated in positions closer to the front and closer to the back of the upper accommodation portion 2H (Fig. not shown).

In addition, as shown in FIG. 1, in this example, both left and right side surfaces (only the right side surface is shown in the figure) of the upper housing portion 2H of the housing 2 are the front surfaces of the left and right side surfaces. A side panel 41f arranged at a position closer to the front side and disposed on the side of both heat exchangers 11 and 22 near the front side, and a side panel 41f disposed at a position nearer the back side on both left and right sides to provide both heat exchangers nearer the back side. Three panels, a side panel 41r arranged on the side of the container 11, 22 and a side panel 41c arranged between the side panels 41f, 41r (hereinafter referred to as "side panels 41f, 41r, 41c"). It is formed in a vertical plane by the "side panel 41" when not distinguished. In addition, "□□ panel arranged on the side of ○○ heat exchanger" is intended to mean "□□ panel arranged opposite to the side of ○○ heat exchanger". A □□ panel that overlaps the entire or almost the entire XX heat exchanger in side view (at least 3/4 or more of XX heat exchanger in side view), and the size of XX heat exchanger □□ panel disposed in a position that overlaps the whole or almost the whole (at least 3/4 or more of the ○○ heat exchanger in side view).

In addition, in the chiller 1 of this example, the side panel 41f is the "first panel disposed on the side of the first heat exchanger housed at a position closer to the front" in the present invention described in claim 1. It corresponds to the "panel A disposed on the side of the heat exchanger housed in the position closer to the front" in the fourth aspect of the present invention. In addition, in the chiller 1 of this example, the side panel 41r is the "second panel disposed on the side of the first heat exchanger housed at a position closer to the back surface" in the present invention described in claim 1. It corresponds to the "panel B disposed on the side of the heat exchanger housed at a position closer to the back surface" in the present invention described in claim 4. Furthermore, in the chiller 1 of this example, the side panel 41c corresponds to the "third panel disposed between the first panel and the second panel" in the present invention described in claim 1, and claim 4 It corresponds to "the panel C arranged between the panel A and the panel B" in the described invention of the present application.

In this case, in the chiller 1 (housing 2) of the present example, both side panels 41f and 41r are V-shaped (inverted V-shaped) in side view in accordance with the housing posture (inclination) of the heat exchangers 11 and 22. A side panel 41c is formed in an inverted triangular shape when viewed from the side and is disposed between the side panels 41f and 41r. In addition, in the chiller 1 (housing 2) of the present example, the outer surfaces of the side panels 41f and 41r are flush or almost flush, and the outer surface of the side panel 41c is lower than the outer surfaces of the side panels 41f and 41r. Each of the side panels is arranged so as to be located on the inner side (the inner side in the width direction of the housing 2) (the side surface of the housing 2 is concave in plan view). As a result, when a plurality of chillers 1 are installed side by side, the side panels 41f and 41f of the adjacent chillers 1 and 1 and the side panels 41r and 41r are brought into close contact (or almost close contact). However, the side panels 41c, 41c of the adjacent chillers 1, 1 do not adhere to each other, and a gap is created between the side panels 41c, 41c. It becomes possible to efficiently dissipate heat to the outside of 2.

Further, the top surface of the upper accommodation portion 2H is formed in a horizontal plane by the top panel 51 having the exhaust port Ho described above. Note that the fan 25 described above is fixed to the top panel 51 .

The front of the lower housing portion 2L of the housing 2 includes a front panel 31l arranged on the left side, a front panel 31r arranged on the right side, and a front panel arranged between the front panels 31l and 31r. It is composed of three panels 31c (an example of a "front panel"; hereinafter, when the "front panels 31l, 31r, and 31c" are not distinguished, they are also referred to as a "front panel 31"). Furthermore, the rear surface of the lower housing portion 2L is configured with a rear panel 32 (an example of a "back panel"). In this case, the rear panel 32 is composed of one panel or two panels divided in the left-right direction.

In addition, both left and right side surfaces (only the right side is shown in FIG. 1) of the lower accommodation portion 2L are provided with a side panel 33f arranged near the front and a position near the back. and a side panel 33c disposed between the side panels 33f, 33r (hereinafter also referred to as the "side panel 33" when the "side panels 33f, 33r, 33c" are not distinguished). It is formed in a vertical plane by Although not shown, a horizontal planar partition panel is provided on the upper surface of the lower housing portion 2L (the bottom surface of the upper housing portion 2H) to partition the lower housing portion 2L and the upper housing portion 2H. .

In this case, the front panel 31, the rear panel 32, the side panels 33, the side panels 41, the top panel 51, and the partition panel are each made of a thin metal plate having a coating film formed on its outer surface. . In addition, in the chiller 1 of this example, the heat shielding ability of the outer surface side of the side panel 41f, the side panel 41r, and the top panel 51 (the area shaded with oblique lines downward to the left in FIG. 1) is the side panel 41c (in FIG. 1) area shaded with diagonal lines downward to the right), and the heat dissipation capacity of the side panel 41c is higher than the heat dissipation capacity of the outside surface of the side panel 41f, the side panel 41r, and the top panel 51. formed to be higher than Furthermore, in the chiller 1 of this example, the heat shielding ability of the outer surface side of the front panel 31, the rear panel 32, and the side panel 33 (the area shaded with oblique lines downward to the left in FIG. 1) is the side panel 41f, the side panel 41r and the upper panel 51 are formed so as to have the same heat shielding ability as that of the outer surface side, and to be higher than the heat shielding ability of the outer surface side of the side panel 41c.

Specifically, in the housing 2 of the chiller 1 of this example, as an example, a coating film is formed on the outer surface side of each panel by powder baking coating (the outer surface of each panel is coated), and each panel The paint that forms the coating film is selected according to the heat shielding ability and heat dissipation ability to be imparted to the outer surface of the coating. More specifically, in the chiller 1 of this example, the coating film of the side panels 41f, 41r and the top panel 51 has a higher heat shielding ability than the coating film of the side panel 41c, and the side panels 41f, 41r and Each paint is selected so that the coating film of the side panel 41c has a higher heat dissipation capability than the coating film of the top panel 51. - 特許庁In addition, in the chiller 1 of this example, each paint is selected so that the coating film of each front panel 31, rear panel 32 and each side panel 33 has a higher heat shielding ability than the coating film of the top panel 51. ing. Furthermore, in the chiller 1 of this example, the coating films on the side panels 41f, 41r and the top panel 51 and the coating films on the front panel 31, the rear panel 32 and the side panels 33 are made to have the same degree of heat shielding ability. , each paint is selected.

In this case, in the temperature range where the temperature changes occur in each panel due to the irradiation of sunlight, the light-colored coating film has a higher heat-shielding ability on the outer surface of the panel than the dark-colored coating film. Therefore, in the chiller 1 of this example, the side panels 41f, 41f disposed on the sides of the heat exchangers 11, 22 housed in the front side of the upper accommodation portion 2H, The side panels 41r and 41r arranged on the sides of the heat exchangers 11 and 22 housed in positions closer to the back surface, the upper panel 51 constituting the upper surface of the housing 2 (upper housing portion 2H), and the lower The front panel 31, the rear panel 32, and the side panels 33, which constitute the front, back, and left and right side surfaces of the housing portion 2L, are coated with a light-colored (for example, white) coating film on the outer surfaces thereof. The heat shielding ability of the outer surfaces of the side panels 41f and 41r, the top panel 51, the front panel 31, the back panel 32, and the side panels 33 is improved by selecting and applying a suitable paint.

In addition, in the temperature range where the temperature changes occur in each panel due to the heat radiation from the heat exchangers 11 and 22, the heat dissipation capability of the outer surface of the panel is higher with the dark-colored coating film than with the light-colored coating film. . Therefore, in the chiller 1 of this example, each side panel 41c that comes into contact with the air whose temperature has been raised by passing through the heat exchangers 11 and 22 has a dark color (eg, gray, blue, green, etc.) coating on the outer surface. By selecting and applying a paint that forms a , the heat dissipation capability of the outer surface side of each side panel 41c is improved.

Furthermore, in the chiller 1 of this example, a heat insulator (not shown) is arranged between each of the side panels 41f, 41r and the top panel 51 and each of the side panels 41c. As a result, the temperature rise of the side panels 41f and 41r and the top panel 51 due to heat transfer from the side panels 41c is avoided.

This chiller 1 is installed on the ground or on the roof of a building. In this case, a plurality of chillers 1 can be installed in a row, but in order to facilitate understanding of the configuration and operation, it is assumed that one chiller is installed independently. As for the water as the "first heat transfer liquid", as an example, water that has cooled (temperature adjusted) the object to be supplied is cooled (temperature adjusted) by the chiller 1 and supplied again to the object to be supplied. ) shall be circulated inside.

In this chiller 1, the water in the circulation path passes through the heat exchanger 12 and the heat exchanger 24 in this order by pumping water according to the control of the control unit 8 by the pump 7, and is supplied to the supply target. be done. Here, in the chiller 1 of this example, according to the outside air temperature and the amount of cooling heat required by the object to be supplied, the first operation mode where water is cooled and supplied only by the free cooling part 3 and only by the refrigeration cycle 4 It is configured to operate in one of three operation modes: a second operation mode in which water is cooled and supplied, and a third operation mode in which water is cooled and supplied by the free cooling part 3 and the refrigerating cycle 4 . ing.

For example, in winter when the outside air temperature is low, when the amount of cooling heat required by the object to be supplied is not excessively large, water cooling is performed in the first operation mode. In this first operation mode, the brine is circulated between the heat exchangers 11 , 11 and the heat exchanger 12 by pumping the brine under the control of the control unit 8 by the pump 13 . Further, the fan 25 exhausts the air in the upper housing portion 2H through the exhaust port Ho under the control of the control unit 8, so that new air is introduced into the upper housing portion 2H through both the introduction ports Hi. As a result, the heat exchange in the heat exchanger 11 between the air introduced from the inlet Hi and the brine raises the temperature of the air and lowers the temperature of the brine.

The air whose temperature has been raised is exhausted from the exhaust port Ho by the fan 25 , and the brine whose temperature has been lowered is supplied to the heat exchanger 12 by pumping with the pump 13 . As a result, heat exchange between the brine pumped from the heat exchanger 11 and the water pumped by the pump 7 raises the temperature of the brine and lowers the temperature of the water. Also, the brine whose temperature has been raised in the heat exchanger 12 is pumped to the heat exchangers 11, 11 by the pump 13 and cooled again, and the water cooled in the heat exchanger 12 passes through the heat exchanger 24. supplied to the supply target. As described above, the object to be cooled is cooled (temperature adjusted) by the water supplied from the chiller 1 .

On the other hand, during the daytime in summer when the outside temperature is high, water cooling is performed in the second operation mode. In this second operation mode, the compressor 21 compresses the refrigerant under the control of the control unit 8 , so that the high-temperature and high-pressure refrigerant is pressure-fed to the heat exchanger 22 . Further, the fan 25 exhausts the air in the upper housing portion 2H through the exhaust port Ho under the control of the control unit 8, so that new air is introduced into the upper housing portion 2H through both the introduction ports Hi. As a result, the temperature of the air is raised and the temperature of the refrigerant is lowered by heat exchange in the heat exchanger 22 between the air introduced from the inlet Hi and the high-temperature and high-pressure refrigerant, and the refrigerant is condensed.

The air whose temperature has been raised is exhausted from the exhaust port Ho by the fan 25 , and the condensed refrigerant passes through the expansion valve 23 and is supplied to the heat exchanger 24 . As a result, the temperature of the refrigerant is raised and vaporized by the heat exchange in the heat exchanger 24 between the supplied refrigerant and the water supplied through the heat exchanger 12 by the pumping of the pump 7, and the temperature of the water increases. be lowered. Further, the refrigerant whose temperature has been raised in the heat exchanger 24 is compressed by the compressor 21 and supplied to the heat exchangers 22, 22 again, and the water cooled in the heat exchanger 24 is supplied to the supply target. . As described above, the object to be cooled is cooled (temperature adjusted) by the water supplied from the chiller 1 .

Further, when the outside air temperature is not excessively high and the water can be cooled by the free cooling part 3, but the amount of cooling heat required by the supply target cannot be reached by the cooling by the free cooling part 3 alone, the third operation is performed. Cooling of water is carried out in the mode. In this third operation mode, the cooling of water by the free cooling unit 3 in the first operation mode and the cooling of water by the refrigerating cycle 4 in the second operation mode are performed in parallel, although detailed description is omitted. be done. In this case, in the chiller 1 of this example provided with the free cooling section 3 for the purpose of energy saving, it is assumed that the water is cooled by the free cooling section 3, and the insufficient cooling heat power is supplemented by the cooling of the water by the refrigeration cycle 4. Each operation of the free cooling part 3 and the refrigerating cycle 4 is controlled. As a result, the object to be cooled is cooled (temperature adjusted) by the water supplied from the chiller 1 in the same manner as in the first operation mode and the second operation mode.

In this case, in the chiller 1 of this example, the heat shielding ability of the outer surfaces of the side panels 41f and 41r and the top panel 51 is improved. Therefore, even when the housing 2 of the chiller 1 is irradiated with sunlight, the side panels 41f and 41r and the top panel 51 arranged on the sides (near) of the heat exchangers 11 and 22 are The amount of temperature rise is sufficiently small. As a result, the temperatures of the heat exchangers 11 and 22 are raised by radiant heat from the side panels 41f and 41r and the top panel 51, and the brine cooling efficiency in the heat exchanger 11 and the refrigerant cooling efficiency in the heat exchanger 22 are increased. A declining situation is preferably avoided. Therefore, regardless of which operation mode is used, it is possible to sufficiently suppress a decrease in water cooling efficiency when the housing 2 is irradiated with sunlight.

Moreover, in the chiller 1 of this example, the heat radiation capability of the outer surface side of each side panel 41c is improved. Therefore, contact with air whose temperature has increased as it passes through the heat exchanger 11 (during operation in the first operation mode and the third operation mode), and contact with air whose temperature has increased as it has passed through the heat exchanger 22. Even if the temperature of each side panel 41c rises due to contact (during operation in the second operation mode or the third operation mode), this heat is preferably radiated from the outer surface of the side panel 41c. As a result, the temperature of each heat exchanger 11, 22 is raised by the radiant heat from each side panel 41c, and the cooling efficiency of the brine in the heat exchanger 11 and the cooling efficiency of the refrigerant in the heat exchanger 22 are preferably reduced. Avoided. Therefore, it is possible to sufficiently suppress a decrease in water cooling efficiency regardless of which operation mode is used.

Furthermore, in the chiller 1 of this example, as described above, the side panels 41f, 41r, the top panel 51, and the side panel 41c are insulated. As a result, even if the temperature of each side panel 41c rises, it is possible to prevent the side panels 41f and 41r and the top panel 51 from rising in temperature due to heat transfer from the side panel 41c. As a result, the temperatures of the heat exchangers 11 and 22 are raised by radiant heat from the side panels 41f and 41r and the top panel 51, and the brine cooling efficiency in the heat exchanger 11 and the refrigerant cooling efficiency in the heat exchanger 22 are increased. A declining situation is preferably avoided. Therefore, regardless of which operation mode is used, it is possible to sufficiently suppress a decrease in water cooling efficiency when the housing 2 is irradiated with sunlight.

Moreover, in the chiller 1 of this example, the heat shielding ability of the outer surfaces of the front panel 31, the rear panel 32, and the side panels 33 is improved. Therefore, even when the housing 2 of the chiller 1 is irradiated with sunlight, the amount of temperature rise in the front panel 31, the rear panel 32, and the side panels 33 constituting the lower housing portion 2L is sufficiently small. ing. As a result, the temperature inside the lower housing portion 2L is increased by the radiant heat from the front panel 31, the rear panel 32, and the side panels 33, and the heat exchangers 12, 24, the compressor 21, the control unit 8, the power supply unit 9, etc. As a result of avoiding the situation where the temperature of the heat exchanger 12 and 24 is increased, the situation where the cooling efficiency of the water in the heat exchangers 12 and 24 is lowered, and the situation where the compressor 21, the control unit 8, the power supply unit 9, etc. malfunction Avoided. For this reason, regardless of which operation mode the housing 2 is operating in, the deterioration of the cooling efficiency of the water when the housing 2 is irradiated with sunlight is sufficiently suppressed, and a state in which the housing 2 can operate normally is maintained. It can be maintained well.

Although illustration and detailed description are omitted, when a plurality of chillers 1, 1 . . . The right side surface and the left side surface of the chiller 1 on the right side are in contact with each other (or they are brought very close to each other). Even in such an installation state, the left side of the chiller 1 installed at the left end and the right side of the chiller 1 installed at the right end are irradiated with sunlight. Therefore, as described above, by improving the light shielding ability of the side panels 41f and 41r, the top panel 51, and each side panel 33, and improving the heat dissipation ability of the side panel 41c, both chillers 1, 1, it is possible to suppress the decrease in water cooling efficiency. In addition, as described above, since there is a gap between the side panels 41c, 41c of the adjacent chillers 1, 1, heat can be preferably dissipated from the side panels 41c, 41c of the adjacent chillers 1, 1, respectively. It has become.

Thus, in this chiller 1, the side panel 41f disposed on the side of the heat exchanger 22 housed in the position closer to the front, the side panel 41f disposed on the side of the heat exchanger 22 housed in the position closer to the back The side panels 41 r and 41 f, 41 r arranged between the side panels 41 f, 41 r respectively constitute both side surfaces, and the side panels 41 f, 41 r and the outer surface side of the top panel 51 are heat shielded. is higher than the heat shielding ability of the outer surface of the side panel 41c, and the heat dissipation ability of the outer surface of the side panel 41c is higher than the heat dissipation ability of the outer surfaces of the side panels 41f and 41r and the top panel 51. 2 upper accommodating portions 2H are formed.

Therefore, according to this chiller 1, the heat shielding ability of the outer surfaces of the side panels 41f and 41r and the top panel 51 is high, so even when the housing 2 is exposed to sunlight, the side panels 41f and 41r can be Since the temperature of 41r and top panel 51 is not excessively increased, the temperature of heat exchangers 22 and 22 is increased by the radiant heat from side panels 41f and 41r and top panel 51, and the air and refrigerant in heat exchanger 22 are heated. It is possible to preferably avoid a situation in which the heat exchange efficiency with (that is, the cooling efficiency of the refrigerant) is lowered. In addition, since the heat dissipation capacity of the outer surface of the side panel 41c is high, even if the temperature of the side panel 41c rises due to contact with the air whose temperature rises due to the passage of the heat exchangers 22, 22, this heat is dissipated into the side panel 41c. Since the heat is smoothly radiated from the outer surface side to the air outside the upper housing portion 2H, the temperature of the heat exchangers 22, 22 is increased by the radiant heat from the side panel 41c, and the heat exchange between the air and the refrigerant in the heat exchanger 22. A situation in which the efficiency (that is, the cooling efficiency of the refrigerant) is lowered can be preferably avoided. Therefore, according to this chiller 1, it is possible to suitably avoid a decrease in the cooling efficiency of the water supplied to the object to be supplied.

Further, according to this chiller 1, the heat shielding ability of the outer surfaces of the front panels 31l, 31c, 31r, the rear panel 32, and the side panels 33f, 33c, 33r is higher than the heat shielding ability of the outer surface of the side panel 41c. By forming the lower housing portion 2L so that the front panels 31l, 31c, and 31r, the rear panel 32, and the side panels 33f, 33c, and 33r are arranged even when the housing 2 is irradiated with sunlight, Since the temperature is not excessively increased, the heat exchanger 24 and the heat exchanger 12 in the lower accommodating portion 2L are heated by radiant heat from the front panels 31l, 31c, 31r, the rear panel 32, and the side panels 33f, 33c, 33r. is raised in temperature, the heat exchange efficiency between the refrigerant and water in the heat exchanger 24 (that is, the cooling efficiency of water) is reduced, or the heat exchange efficiency between the brine and water in the heat exchanger 12 (that is, It is possible to suitably avoid a situation in which the cooling efficiency of water) is lowered, and at the same time, it is possible to prevent a situation in which the temperature of the control section 8, the power supply section 9, etc. in the lower accommodation section 2L is raised and normal operation is hindered. can be avoided.

Furthermore, according to this chiller 1, the side panels 41f and 41r are arranged on the sides of the heat exchanger 22 that condenses the refrigerant through heat exchange with the air and the heat exchanger 11 that cools the brine through heat exchange with the air. As a result, the temperature of the heat exchangers 11 and 22 is raised by the radiant heat from the side panels 41f and 41r and the top panel 51 even when the housing 2 is irradiated with sunlight. It is possible to preferably avoid a situation in which the heat exchange efficiency between the air and the brine (that is, the cooling efficiency of the brine) is lowered. Therefore, according to this chiller 1, it is possible to more preferably avoid a decrease in the cooling efficiency of the water supplied to the object to be supplied.

Further, in this chiller 1, the side panel 41f is arranged on the side of the heat exchanger 11 housed near the front, and the side panel 41f is arranged on the side of the heat exchanger 11 housed on the back side. The side panel 41r provided and the side panel 41c arranged between the side panels 41f and 41r constitute the respective side surfaces, and the heat shielding ability of the side panels 41f and 41r and the top panel 51 on the outer surface side is The housing 2 is designed such that the heat shielding ability of the outer surface of the side panel 41c is higher than the heat dissipation ability of the outer surface of the side panel 41c and the heat dissipation ability of the outer surface of the side panel 41c is higher than the heat dissipation ability of the outer surfaces of the side panels 41f and 41r and the top panel 51. formed.

Therefore, according to this chiller 1, the heat shielding ability of the outer surfaces of the side panels 41f and 41r and the top panel 51 is high, so even when the housing 2 is exposed to sunlight, the side panels 41f and 41r can be Since the temperature of 41r and top panel 51 is not excessively increased, the temperature of heat exchangers 11 and 11 is increased by the radiant heat from side panels 41f and 41r and top panel 51, and the air in heat exchangers 11 and 11 It is possible to preferably avoid a situation in which the heat exchange efficiency between the water and the brine is lowered. In addition, since the heat dissipation capacity of the outer surface of the side panel 41c is high, even if the temperature of the side panel 41c rises due to contact with the air whose temperature rises due to the passage of the heat exchangers 11, 11, this heat is transferred to the side panel 41c. Since heat is smoothly radiated to the air outside the housing 2 from the outer surface side of the housing 2, the temperature of the heat exchangers 11, 11 is increased by the radiant heat from the side panel 41c, and the heat of the air and brine in the heat exchangers 11, 11 A situation in which the exchange efficiency is lowered can be preferably avoided. Therefore, according to this chiller 1, it is possible to suitably avoid a decrease in the cooling efficiency of the brine supplied to the heat exchanger 12, and thus the cooling efficiency of the water supplied to the object to be supplied.

In addition, according to this chiller 1, each panel 31, 32, 33, 41, 51 of the housing 2 is composed of a metal thin plate having a coating film formed on the outer surface thereof, and the paint that constitutes the coating film is By making the heat shielding ability and the heat dissipation ability different due to the difference, compared to the structure in which the heat shielding ability and the heat dissipation ability are different by making the material and thickness of the panel itself different, there is no increase in the manufacturing cost. The heat shielding ability and heat dissipation ability of each panel 31, 32, 33, 41, 51 can be reliably and easily differentiated.

In addition, the configuration of the "temperature adjustment device" is not limited to the example of the configuration of the chiller 1 described above.

For example, although the configuration including the free cooling section 3 and the refrigerating cycle 4 has been described as an example, a configuration without the free cooling section 3 (a configuration in which water is cooled only by the refrigerating cycle 4) can also be adopted. Even when such a configuration is adopted, the side panels 41f and 41r arranged on the sides of the heat exchangers 22 and 22 and the top panel 51 arranged above the heat exchangers 22 and 22 are arranged as described above. By having the same configuration as the chiller 1 (improving the heat shielding ability), it is possible to suitably avoid a decrease in the cooling efficiency of the water by the refrigeration cycle 4 in a state where sunlight is irradiated, and the side panel By configuring the chiller 41c in the same manner as the chiller 1 (improving the heat dissipation capability), it is possible to preferably avoid a decrease in the water cooling efficiency of the refrigeration cycle 4 due to the temperature rise of the side panel 41c.

A configuration without the refrigeration cycle 4 (a configuration similar to that of the free cooling section 3 in which water is cooled by the free cooling section 3 in place of brine in the configuration of the chiller 1) can also be adopted. Even when such a configuration is adopted, the side panels 41f and 41r arranged on the sides of the heat exchangers 11 and 11 and the top panel 51 arranged above the heat exchangers 11 and 11 are arranged as described above. By adopting the same configuration as the chiller 1 (improving the heat shielding ability), it is possible to suitably avoid a decrease in the cooling efficiency of the water by the free cooling unit 3 in a state where sunlight is irradiated. By configuring the panel 41c in the same manner as the chiller 1 described above (improving the heat dissipation capability), it is possible to suitably avoid a decrease in the water cooling efficiency of the free cooling part 3 due to the temperature rise of the side panel 41c. can.

Also, the heat-shielding ability and the heat-dissipating ability are made different by the difference in paint (in this example, the difference between light color and dark color) that constitutes the coating film formed on the outer surface of each panel 31, 32, 33, 41, 51. Although the configuration of the chiller 1 was described as an example, instead of such a configuration (or in addition to such a configuration), the panel surface (when a coating film is formed, the coating film surface) It is also possible to employ a configuration in which the heat shielding ability and the heat dissipation ability are differentiated according to the difference in thickness. In this case, the smaller the degree of surface roughness, the better the sunlight is reflected and the higher the heat shielding ability. For panels that need to improve their heat-shielding ability, the degree of surface roughness should be reduced by selecting painting methods and paints, or implementing various surface treatments. The degree of surface roughness may be increased by selecting a coating method or paint, or performing various surface treatments. Furthermore, depending on the required heat shielding ability and heat dissipation ability, each panel 31, 32, 33, 41, 51 is formed of various panel forming materials having different outer surface colors and different degrees of surface roughness (coating). It is also possible to adjust the heat-shielding ability and the heat-dissipating ability by selecting materials regardless of the presence or absence of a film or surface treatment.

In addition, although the chiller 1 configured to use water (fresh water) as the "heat medium liquid (first heat medium liquid)" has been described as an example, various liquids other than water may be referred to as the "heat medium liquid (first heat medium liquid)". A configuration for use as a heat transfer liquid) can be adopted. Similarly, the chiller 1 configured to use brine as the "second heat transfer liquid" was described as an example, but a configuration using various liquids other than brine as the "second heat transfer liquid" is adopted. be able to.

REFERENCE SIGNS LIST 1 chiller 2 housing 2H upper accommodation section 2L lower accommodation section 3 free cooling section 4 refrigeration cycle 5 operation section 6 display section 7, 13 pump 8 control section 9 power supply section 11, 12, 22, 24 heat exchanger 21 compressor 23 Expansion valve 25 Fan 31l, 31c, 31r Front panel 32 Rear panel 33f, 33c, 33r, 41f, 41c, 41r Side panel 51 Top panel Hi Inlet Ho Exhaust port

In order to achieve the above object, a temperature control device according to claim 1 comprises a refrigeration cycle for regulating the temperature of a heat transfer liquid, and a housing capable of accommodating the refrigeration cycle, wherein the heat transfer liquid whose temperature is adjusted is provided. A temperature adjustment device configured to be able to adjust the temperature of a supply target by supplying to the supply target, wherein the housing includes a lower housing portion and an upper housing portion, and the refrigeration cycle includes a compressor, A first heat exchanger that condenses the refrigerant by exchanging heat with air, an expansion valve, a second heat exchanger that cools the heat transfer liquid by exchanging heat with the refrigerant, and the first heat exchanger. a blower for blowing the air, wherein the lower accommodating portion accommodates at least the compressor, the expansion valve and the second heat exchanger, and the upper accommodating portion can introduce the air. At least one of the first heat exchangers is accommodated at a position closer to the front and a position closer to the back so that the air introduced from each of the inlets can pass through. and an exhaust port capable of exhausting the air that has passed through each of the first heat exchangers is opened in the upper panel, the blower is attached to the upper panel, and the upper housing part is located near the front side A first panel disposed on the side of the first heat exchanger housed in the position, and a second panel disposed on the side of the first heat exchanger housed in the position closer to the back side A panel and a third panel arranged between the first panel and the second panel respectively constitute both side surfaces, and the outer surface sides of the first panel, the second panel and the top panel are provided. The heat shielding ability is higher than the heat shielding ability of the outer surface side of the third panel, and the heat dissipation ability of the outer surface side of the third panel is higher than that of the outer surface side of the first panel, the second panel, and the top panel. The first heat exchanger that is formed to have a higher heat radiation capacity than the lower end side and is housed in the position closer to the front side, and the first heat exchanger that is housed in the position closer to the back side, the upper end side is higher than the lower end side. The first panel and the second panel are stored in the upper storage portion in a V-shaped storage posture when viewed from the side, with the side portions protruding out, respectively. It is arranged so as to have a V shape in side view according to the accommodation posture .

The temperature control device according to claim 2 is the temperature control device according to claim 1, wherein the temperature of the first heat transfer fluid as the heat transfer fluid can be adjusted by the refrigeration cycle, and A third heat exchanger that cools the second heat transfer fluid by heat exchange with the introduced air, and a fourth heat exchanger that cools the first heat transfer fluid by heat exchange with the second heat transfer fluid. wherein the third heat exchanger is arranged between the first heat exchanger and the introduction port and accommodated in the upper accommodation portion at a position closer to the front and a position closer to the back; , and the fourth heat exchanger is housed in the upper accommodation portion in a V-shaped accommodation posture in a side view, with the upper end portion projecting more than the lower end side, and the fourth heat exchanger is accommodated in the lower accommodation portion. Housed, the first panel and the second panel are disposed laterally of the first heat exchanger and the third heat exchanger.

The temperature control device according to claim 3 is the temperature control device according to claim 1 or 2, wherein the upper housing part has the outer surface of the first panel and the outer surface of the second panel flush with each other, and the The first panel and the second panel are arranged such that the outer surface of the third panel is located inside the outer surface of the first panel and the outer surface of the second panel in the width direction of the upper housing portion. and the third panel are arranged.
The temperature control device according to claim 4 is the temperature control device according to any one of claims 1 to 3, wherein the upper accommodating portion includes the first panel, the second panel, the top panel, and the second panel. A heat insulating material is arranged between the three panels.

The temperature adjustment device according to claim 5 comprises a heat exchanger, a housing that can accommodate the heat exchanger, and a blower that blows air so that it can pass through the heat exchanger. Adjusting the temperature of the heat medium liquid in the heat exchanger by exchanging heat with the air introduced by the air blower from the inlet provided respectively, and supplying the temperature-adjusted heat medium liquid to the supply target. wherein the heat exchanger is located near the front in the housing and at a position that allows passage of the air introduced from each of the introduction ports. Each of the blowers is housed at a position closer to the back, and the blowers are attached to the top panel of the housing so that the air that has passed through each of the heat exchangers can be discharged from an exhaust port opened in the top panel of the housing, The housing includes a panel A arranged on the side of the heat exchanger housed in the position near the front, and a panel A arranged on the side of the heat exchanger housed in the position near the back. The panel B and the panel C arranged between the panel A and the panel B respectively constitute both side surfaces, and the heat shielding capacity of the outer surface side of the panel A, the panel B and the top panel is higher than the heat shielding ability of the outer surface side of the panel C, and the heat dissipation ability of the outer surface side of the panel C is higher than the heat dissipation ability of the panel A, the panel B and the top panel. , and the heat exchanger housed at a position closer to the front and the heat exchanger housed at a position closer to the back are each inclined such that the upper end side protrudes from the lower end side The panel A and the panel B are arranged so as to be V-shaped in side view according to the housing posture of both the heat exchangers. is set .

The temperature control device according to claim 6 is the temperature control device according to claim 5, wherein the outer surface of the panel A and the outer surface of the panel B are flush with each other, and the outer surface of the panel C The panel A, the panel B, and the panel C are arranged so that the outer surface of the panel A and the outer surface of the panel B are located inside in the width direction of the housing.
The temperature control device according to claim 7 is the temperature control device according to claim 5 or 6, wherein the housing has a heat insulating material between the panel A, the panel B, the top panel, and the panel C. are arranged.

In the temperature control device according to claim 1, the first panel disposed on the side of the first heat exchanger housed in the front side position, the first heat exchanger housed in the back side position and a third panel disposed between the first panel and the second panel. The heat shielding ability of the outer surface side of the panel is higher than the heat shielding ability of the outer surface side of the third panel, and the heat dissipation ability of the outer surface side of the third panel is the heat dissipation ability of the outer surface sides of the first panel, the second panel and the top panel. An upper accommodating portion of the housing is formed so as to be higher than the housing. In addition, the first heat exchanger housed near the front side and the first heat exchanger housed near the rear side are arranged such that the upper end side portion protrudes from the lower end side thereof. It is tilted and accommodated in the upper accommodation portion in a V-shaped accommodation posture when viewed from the side, and the first panel and the second panel are arranged to have a V-shape in side view according to the accommodation posture of both the first heat exchangers. is placed in

Therefore, according to the temperature adjustment device of claim 1, the heat shielding ability of the outer surface side of the first panel, the second panel, and the top panel is high, so even when the housing is irradiated with sunlight, , the first panel, the second panel, and the top panel are not excessively heated, the temperature of the first heat exchanger is raised by the radiant heat from the first panel, the second panel, and the top panel, and the first It is possible to preferably avoid a situation in which the heat exchange efficiency between the air and the refrigerant in the heat exchanger (that is, the cooling efficiency of the refrigerant) is lowered. In addition, since the heat dissipation capacity of the outer surface side of the third panel is high, even if the temperature of the third panel rises due to contact with the air whose temperature has increased by passing through the first heat exchanger, this heat is transferred to the third panel. Since heat is smoothly radiated from the outer surface side to the air outside the upper housing part, the temperature of the first heat exchanger is raised by the radiant heat from the third panel, and the heat exchange efficiency between the air and the refrigerant in the first heat exchanger ( That is, it is possible to preferably avoid a situation in which the cooling efficiency of the refrigerant is lowered. Therefore, according to this temperature control device, it is possible to suitably avoid a decrease in the cooling efficiency of the heat transfer fluid supplied to the object to be supplied. In addition, compared to the state in which both the first heat exchangers are housed in a vertical or substantially vertical housing posture, and the state in which the both first heat exchangers are housed in a side view V-shaped housing posture, Sunlight is less likely to hit the first heat exchangers, and direct sunlight hits both the first heat exchangers during a time period when the altitude of the sun is high and the amount of sunlight reaching the ground is large. As a result, it is possible to preferably avoid the temperature rise of the first heat exchanger due to the reception of sunlight.

Further, according to the temperature control device of claim 2, the first heat exchanger that condenses the refrigerant by heat exchange with the air, and the third heat exchanger that cools the second heat transfer liquid by heat exchange with the air By arranging the first panel and the second panel on the side of the housing, even when the housing is irradiated with sunlight, the first heat is generated by the radiant heat from the first panel, the second panel, and the top panel. A situation in which the heat exchange efficiency between the air and the second heat transfer fluid in the third heat exchanger (that is, the cooling efficiency of the second heat transfer fluid) is reduced due to the temperature rise of the heat exchanger and the third heat exchanger. It can be preferably avoided. Therefore, according to this temperature adjustment device, it is possible to more preferably avoid a decrease in the cooling efficiency of the first heat transfer fluid supplied to the object to be supplied. Further, the third heat exchanger is arranged between the first heat exchanger and the introduction port and accommodated in the upper accommodating portion at a position closer to the front and a position closer to the back, and is closer to the upper end than the lower end. are housed in the upper housing section in a V-shaped housing posture in side view, the fourth heat exchanger is housed in the lower housing section, and the first panel and the second panel are arranged laterally of the first and third heat exchangers. Therefore, as compared with the state in which both the third heat exchangers are housed in a vertical or substantially vertical housing posture, or the state in which the both third heat exchangers are housed in a side view V-shaped housing posture, the direct sunlight to both the third heat exchangers Sunlight is less likely to hit the third heat exchangers, and direct sunlight hitting both the third heat exchangers is avoided particularly during a time period when the altitude of the sun is high and the amount of sunlight reaching the ground is large. As a result, it is possible to preferably avoid the temperature rise of the third heat exchanger due to the reception of sunlight.

Further, according to the temperature control device of claim 3, the outer surface of the first panel and the outer surface of the second panel are flush with each other, and the outer surface of the third panel is aligned with the outer surface of the first panel and the second panel. By arranging the first panel, the second panel, and the third panel so that they are located inside the outer surface of the In addition, even if the first panels or the second panels of the adjacent temperature control devices are brought into close contact with each other, the third panels of the adjacent temperature control devices do not come into close contact with each other, resulting in a gap between both third panels. Since the third panel can be in a state where the third panel is placed, it is possible to efficiently dissipate heat from the third panel to the outside of the housing.
In addition, according to the temperature control device of claim 4, by disposing the heat insulating material between the first panel, the second panel, the top panel, and the third panel, heat transfer from the third panel is prevented. It is possible to avoid the temperature rise of the first panel, the second panel and the top panel caused by this.

In addition, in the temperature control device according to claim 5 , the panel A disposed on the side of the heat exchanger housed in the position closer to the front, the side of the heat exchanger housed in the position closer to the back Both side surfaces are respectively constituted by the panel B arranged in and the panel C arranged between the panel A and the panel B, and the heat shielding ability of the outer surface side of the panel A, the panel B and the top panel is The housing is formed so that the heat shielding ability of the outer surface side of the panel C is higher than that of the outer surface side of the panel C, and the heat dissipation ability of the outer surface side of the panel C is higher than the heat dissipation ability of the outer surface sides of the panel A, the panel B, and the top panel. . In addition, the heat exchanger housed near the front and the heat exchanger housed near the back are tilted so that the upper end portion protrudes from the lower end side. The panel A and the panel B are arranged in a V-shape in a side view in accordance with the housing posture of both heat exchangers.

Therefore, according to the temperature control device of claim 5 , the panel A, the panel B, and the top panel have a high heat shielding ability on the outer surface side, so even when the housing is irradiated with sunlight, the panel Since the temperature of A, panel B, and the top panel is not excessively increased, the temperature of the heat exchanger is increased by the radiant heat from panel A, panel B, and the top panel, and the air and the heat transfer liquid in the heat exchanger are heated. It is possible to preferably avoid a situation in which the heat exchange efficiency of is lowered. In addition, since the heat dissipation capability of the outer surface side of the panel C is high, even if the temperature of the panel C rises due to contact with the air whose temperature has increased due to the passage of the heat exchanger, this heat is transferred from the outer surface side of the panel C to the outside of the housing. Since the heat is smoothly radiated to the air of the panel C, it is possible to preferably avoid a situation in which the temperature of the heat exchanger is increased by the radiant heat from the panel C and the heat exchange efficiency between the air and the heat transfer fluid in the heat exchanger is lowered. can be done. Therefore, according to this temperature control device, it is possible to suitably avoid a decrease in the cooling efficiency of the heat transfer fluid supplied to the object to be supplied. In addition, both heat exchangers are less likely to be exposed to direct sunlight than when both heat exchangers are housed in a vertical or almost vertical housing posture, or when they are housed in a V-shaped housing posture when viewed from the side. In particular, during the time period when the altitude of the sun is high and the amount of sunlight reaching the ground is large, it is possible to avoid a situation in which both heat exchangers are exposed to direct sunlight. As a result, it is possible to preferably avoid the temperature rise of the heat exchanger due to the reception of sunlight.

Further, according to the temperature control device of claim 6, the outer surface of the panel A and the outer surface of the panel B are flush with each other, and the outer surface of the panel C is higher than the outer surface of the panel A and the outer surface of the panel B. By arranging panel A, panel B, and panel C so as to be located inside in the width direction, when a plurality of temperature control devices are installed side by side in a row, the temperature control devices adjacent to each other Even if the panels A and B are brought into close contact with each other, the panels C of the adjacent temperature control devices do not come into close contact with each other, and a gap can be created between the panels C. Therefore, the panel C It is possible to efficiently dissipate heat to the outside of the housing.
Further, according to the temperature control device of claim 7, by disposing the heat insulating material between the panel A, the panel B, the upper panel, and the panel C, the heat transfer from the third panel It is possible to avoid the temperature rise of the 1st panel, the 2nd panel and the top panel.

Claims (5)

Equipped with a refrigerating cycle for adjusting the temperature of a heat transfer fluid and a housing capable of accommodating the refrigerating cycle, and configured to be able to adjust the temperature of a supply target by supplying the temperature-adjusted heat transfer fluid to a supply target. a temperature control device comprising:
The housing includes a lower accommodation portion and an upper accommodation portion,
The refrigeration cycle includes a compressor, a first heat exchanger that condenses a refrigerant by exchanging heat with air, an expansion valve, and a second heat exchanger that cools the heat transfer liquid by exchanging heat with the refrigerant. , and a blower that blows the air so as to pass through the first heat exchanger,
At least the compressor, the expansion valve, and the second heat exchanger are accommodated in the lower accommodating portion,
The upper accommodation portion is provided with introduction ports on the front and back sides thereof, through which the air can be introduced, and at positions near the front side and on the back side, respectively, through which the air introduced from the respective introduction ports can pass. At least one of the first heat exchangers is accommodated, and an exhaust port capable of exhausting the air that has passed through each of the first heat exchangers is opened in the upper panel, and the blower is attached to the upper panel. be
The upper housing portion includes a first panel disposed on the side of the first heat exchanger housed at a position closer to the front surface, and the first heat exchanger housed at a position closer to the back surface. and a third panel disposed between the first panel and the second panel. The heat shielding ability of the outer surface side of the second panel and the top panel is higher than the heat shielding ability of the outer surface side of the third panel, and the heat dissipation ability of the outer surface side of the third panel is greater than that of the first panel and the second panel. A temperature control device formed so as to be higher than the heat dissipation capacity of the panel and the outer surface side of the upper panel. 2. The temperature according to claim 1, wherein the lower accommodating portion is formed so that the heat shielding ability of the outer surface side of the front panel, the rear panel and the side panels is higher than the heat shielding ability of the outer surface side of the third panel. regulator. The refrigeration cycle is configured to be able to adjust the temperature of the first heat transfer liquid as the heat transfer liquid, and the third heat transfer medium cools the second heat transfer liquid by heat exchange with the air introduced from the introduction port. A heat exchanger and a fourth heat exchanger that cools the first heat transfer liquid by heat exchange with the second heat transfer liquid,
The third heat exchanger is accommodated in the upper accommodation portion and arranged between the first heat exchanger and the inlet,
The fourth heat exchanger is housed in the lower housing,
3. The temperature control device according to claim 1, wherein said first panel and said second panel are arranged on sides of said first heat exchanger and said third heat exchanger. A heat exchanger, a housing that can accommodate the heat exchanger, and a blower that blows air so that it can pass through the heat exchanger, and the blower is provided from inlets provided on the front and back of the housing. The temperature of the heat transfer liquid is adjusted in the heat exchanger by exchanging heat with air introduced by blowing air, and the temperature of the supply target can be adjusted by supplying the temperature-adjusted heat transfer liquid to the supply target. A temperature control device comprising:
The heat exchangers are accommodated at positions closer to the front side and closer to the back side in the housing so that the air introduced from each of the introduction ports can pass through,
The blower is attached to the top panel so that the air that has passed through each heat exchanger can be exhausted from an exhaust port opened in the top panel of the housing,
The housing includes a panel A arranged on the side of the heat exchanger housed near the front, and a panel A arranged on the side of the heat exchanger housed near the back. and a panel C disposed between the panel A and the panel B, respectively, and heat shielding the outer surface side of the panel A, the panel B, and the top panel is higher than the heat shielding ability of the outer surface side of the panel C, and the heat dissipation ability of the outer surface side of the panel C is higher than the heat dissipation ability of the panel A, the panel B and the top panel. A temperature control device configured to. Each panel of the housing is made of a metal thin plate having a coating film formed on its outer surface, and the heat shielding ability and the heat dissipation ability are made different by the difference in the paint that constitutes the coating film. The temperature control device according to any one of claims 1 to 4.

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