Refrigeration equipment

Abstract

The utility model provides refrigeration equipment, and relates to the technical field of data centers. The refrigeration equipment comprises a cooling air inlet duct, a cooling air outlet duct, a heat exchanger and at least one heat exchange pipe. The heat exchanger is provided with a first heat exchange flow channel and a second heat exchange flow channel, the first heat exchange flow channel is used for allowing indoor air to flow through, an air inlet of the second heat exchange flow channel is connected with an air outlet of the cooling air inlet duct, and an air outlet of the second heat exchange flow channel is connected with an air inlet of the cooling air outlet duct. The cooling air inlet channel, the second heat exchange flow channel and the cooling air outlet channel are used for allowing cooling air to flow through, and the heat exchanger is used for conducting heat exchange on indoor air in the first heat exchange flow channel and the cooling air in the second heat exchange flow channel. A heat exchange pipe is arranged in at least one of the cooling air inlet duct and the cooling air outlet duct and used for allowing cooling liquid to flow through. In this way, the refrigeration equipment can supply cold air and cooling liquid with the low temperature to the data center, and the equipment used for supplying cold to the data center can occupy a small space.

Description

Technical Field

[0001] This application relates to the technical field of data centers, and particularly to refrigeration equipment. Background Art

[0002] Data centers can be used to transfer, accelerate, display, calculate, and store data information on network infrastructures. With the rapid development of the information and communication technology industry, the heat generated during the operation of data centers is getting higher and higher, and the requirements for heat dissipation in data centers are also getting higher and higher.

[0003] To meet the heat dissipation requirements of data centers, data centers can adopt a combination of air cooling and liquid cooling for heat dissipation. In related technologies, cooling liquid can be provided for data centers through equipment such as cooling towers, and cold air can be provided for data centers through equipment such as air conditioners, thereby realizing air cooling and liquid cooling of data centers.

[0004] In related technologies, the equipment for supplying cooling to data centers occupies a large amount of space. Summary of the Utility Model

[0005] This application aims to provide a refrigeration equipment to solve the problem that the equipment for supplying cooling to data centers in the prior art occupies a large amount of space.

[0006] This application provides a refrigeration equipment, which includes a cooling air inlet duct, a cooling air outlet duct, a heat exchanger, and at least one heat exchange tube. The heat exchanger has a first heat exchange flow path and a second heat exchange flow path. The first heat exchange flow path is for indoor air to flow through. The air inlet of the second heat exchange flow path is connected to the air outlet of the cooling air inlet duct, and the air outlet of the second heat exchange flow path is connected to the air inlet of the cooling air outlet duct. The cooling air inlet duct, the second heat exchange flow path, and the cooling air outlet duct are for cooling air to flow through. The heat exchanger is used to make the indoor air in the first heat exchange flow path exchange heat with the cooling air in the second heat exchange flow path. At least one of the cooling air inlet duct and the cooling air outlet duct is provided with a heat exchange tube, and the heat exchange tube is for cooling liquid to flow through.

[0007] The refrigeration equipment provided by this application can supply cold air and relatively low-temperature cooling liquid to the data center. When supplying cooling to the data center, there is no need to set up equipment such as cooling towers and air conditioners, which can make the space occupied by the equipment for supplying cooling to the data center smaller. In addition, the refrigeration equipment is installed outside the computer room and does not occupy the space inside the computer room, which is beneficial to the layout of equipment such as servers inside the computer room. In addition, compared with large-sized equipment such as cooling towers, the refrigeration equipment can have a smaller size, which is convenient to adjust the cooling capacity provided to the data center by adjusting the number of refrigeration equipment, and realize different heat dissipation requirements of the data center.

[0008] Optionally, the cooling air outlet duct is provided with a heat exchange tube.

[0009] Optionally, the air outlet of the second heat exchange channel is located on the top surface of the heat exchanger. The refrigeration device further includes a first spraying assembly, which is arranged in the cooling air outlet duct. The first spraying assembly is located above the air outlet of the second heat exchange channel, and the first spraying assembly is used for spraying in the direction of the air outlet of the second heat exchange channel.

[0010] Optionally, at least one heat exchange tube includes a first heat exchange tube, which is arranged below the first spraying assembly and within the spraying range of the first spraying assembly.

[0011] Optionally, the first heat exchange tube is located in the cooling air outlet duct and is arranged between the first spraying assembly and the air outlet of the second heat exchange channel.

[0012] Optionally, the refrigeration device further includes a second spraying assembly, which is arranged in the cooling air outlet duct and above the air outlet of the second heat exchange channel. The second spraying assembly is used for spraying in the direction of the air outlet of the second heat exchange channel. The first heat exchange tube is arranged above the second spraying assembly.

[0013] Optionally, the air inlet of the second heat exchange channel is located on the bottom surface of the heat exchanger. The first heat exchange tube is arranged in the cooling air inlet duct and below the air inlet of the second heat exchange channel.

[0014] Optionally, at least one heat exchange tube includes a second heat exchange tube. The second heat exchange tube is located in the cooling air outlet duct and above the first spraying assembly.

[0015] Optionally, at least one heat exchange tube includes a first heat exchange tube and a second heat exchange tube, and the first heat exchange tube is connected in series with the second heat exchange tube. The first heat exchange tube is arranged below the first spraying assembly and within the spraying range of the first spraying assembly. The second heat exchange tube is located in the cooling air outlet duct and above the first spraying assembly.

[0016] Optionally, the refrigeration device further includes a water spraying filler. The water spraying filler is arranged in at least one of the cooling air inlet duct and the cooling air outlet duct, below the first spraying assembly and within the spraying range of the first spraying assembly.

[0017] Optionally, the refrigeration device further includes an indoor air supply duct, a first evaporator, a condenser, a compressor and a first throttling device. The air outlet of the first heat exchange channel is connected to the air inlet of the indoor air supply duct. The outlet end of the compressor is connected to the inlet end of the condenser, the outlet end of the condenser is connected to the inlet end of the first throttling device, the outlet end of the first throttling device is connected to the inlet end of the first evaporator, and the outlet end of the first evaporator is connected to the inlet end of the compressor. The first evaporator is arranged in the indoor air supply duct.

[0018] Optionally, the condenser is disposed within the cooling air outlet duct.

[0019] Optionally, the condenser is disposed below the first spraying assembly of the refrigeration device, and the condenser is within the spraying range of the first spraying assembly.

[0020] Optionally, the condenser and the first heat exchange tube of the refrigeration device are arranged side by side horizontally at the same height.

[0021] Optionally, the refrigeration device further includes a liquid supply pipe and a liquid return pipe. The condenser has a third heat exchange flow path and a fourth heat exchange flow path. The inlet end of the third heat exchange flow path is connected to the outlet end of the compressor, and the outlet end of the third heat exchange flow path is connected to the inlet end of the first throttling device. The inlet ends of the fourth heat exchange flow path and the liquid supply pipe are both connected to the outlet end of the heat exchange tube, and the outlet ends of the fourth heat exchange flow path and the liquid return pipe are both connected to the inlet end of the heat exchange tube. The condenser is used to enable the refrigerant in the third heat exchange flow path to exchange heat with the coolant in the fourth heat exchange flow path.

[0022] Optionally, the refrigeration device further includes a second evaporator, a second throttling device, and a liquid supply pipe. The second evaporator has a fifth heat exchange flow path and a sixth heat exchange flow path. The inlet end of the second throttling device is connected to the outlet end of the condenser, the outlet end of the second throttling device is connected to the inlet end of the fifth heat exchange flow path, and the outlet end of the fifth heat exchange flow path is connected to the inlet end of the compressor. The inlet end of the sixth heat exchange flow path is connected to the outlet end of the heat exchange tube, and the outlet end of the sixth heat exchange flow path is connected to the inlet end of the liquid supply pipe. The second evaporator is used to enable the refrigerant in the fifth heat exchange flow path to exchange heat with the coolant in the sixth heat exchange flow path.

[0023] Optionally, the refrigeration device further includes a bypass pipe and a first flow regulating device. The inlet end of the bypass pipe is connected to the outlet end of the heat exchange tube. The first flow regulating device has a first port, a second port, and a third port. The outlet end of the sixth heat exchange flow path is connected to the first port, and the inlet end of the liquid supply pipe is connected to the second port, such that the outlet end of the sixth heat exchange flow path and the inlet end of the liquid supply pipe are connected through the first port and the second port, and the outlet end of the bypass pipe is connected to the third port. The first flow regulating device is used to regulate the flow rate of the coolant flowing through the bypass pipe and the sixth heat exchange flow path.

[0024] Optionally, the refrigeration device further includes a second flow regulating device. The outlet end of the first evaporator and the outlet end of the fifth heat exchange flow path are connected to the inlet end of the compressor through the second flow regulating device, and the second flow regulating device is used to regulate the flow rate of the refrigerant flowing through the first evaporator and the fifth heat exchange flow path. Description of the Drawings

[0025] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0026] Figure 1 Schematic connection diagram of a refrigeration device at a computer room provided by an embodiment of the present application;

[0027] Figure 2 Schematic diagram of a refrigeration device provided by an embodiment of the present application;

[0028] Figure 3 Schematic diagram of another refrigeration device provided by an embodiment of the present application;

[0029] Figure 4 Schematic diagram of yet another refrigeration device provided by an embodiment of the present application;

[0030] Figure 5 Schematic diagram of yet another refrigeration device provided by an embodiment of the present application;

[0031] Figure 6 Schematic diagram of yet another refrigeration device provided by an embodiment of the present application;

[0032] Figure 7 Schematic diagram of yet another refrigeration device provided by an embodiment of the present application;

[0033] Figure 8 Schematic diagram of yet another refrigeration device provided by an embodiment of the present application;

[0034] Figure 9 Schematic diagram of yet another refrigeration device provided by an embodiment of the present application;

[0035] Figure 10 Schematic diagram of yet another refrigeration device provided by an embodiment of the present application.

[0036] Explanation of reference numerals:

[0037] 10, computer room; 20, liquid cooling device; 30, cooling medium distribution unit; 40, refrigeration device;

[0038] 100, chassis; 110, cooling air inlet duct; 120, cooling air outlet duct; 130, indoor air supply duct; 140, indoor air return duct;

[0039] 200, heat exchanger; 210, first heat exchange flow path; 220, second heat exchange flow path;

[0040] 300, Heat exchange tube; 300a, First heat exchange tube; 300b, Second heat exchange tube; 310, Liquid supply pipe; 320, Liquid return pipe; 330, Bypass pipe; 340, First flow regulating device;

[0041] 400, First spraying assembly; 410, First liquid pump;

[0042] 500, Second spraying assembly; 510, Second liquid pump;

[0043] 610, First fan; 620, Second fan; 630, Water baffle; 640, Water receiving tray; 650, Spraying packing;

[0044] 710, Compressor; 720, First evaporator; 730, First throttling device; 740, Condenser; 741, Third heat exchange flow channel; 742, Fourth heat exchange flow channel; 750, Second evaporator; 751, Fifth heat exchange flow channel; 752, Sixth heat exchange flow channel; 760, Second throttling device; 770, Second flow regulating device; 771, First flow regulating valve; 772, Second flow regulating valve. Detailed implementation manners

[0045] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are some but not all of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0046] It should be noted that the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present application, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0047] In the present application, unless otherwise clearly specified and limited, the terms such as "installed", "connected", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be directly connected or indirectly connected through an intermediate medium, and it may be the connection inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0048] In this application, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "below" and "beneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature has a lower horizontal height than the second feature.

[0049] In the above description, the description referring to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0050] A data center can be used to transmit, accelerate, display, calculate, and store data information on a network infrastructure. With the rapid development of the information and communication technology industry, the heat generated during the operation of the data center is getting higher and higher, and the requirements for the heat dissipation of the data center are also getting higher and higher.

[0051] To meet the heat dissipation requirements of the data center, the data center can adopt a combination of air cooling and liquid cooling to dissipate heat.

[0052] In the related art, devices such as cooling towers can be used to provide coolant for the data center, and devices such as air conditioners can be used to provide cold air for the data center, thereby realizing air cooling and liquid cooling of the data center.

[0053] However, in the related art, the coolant and cold air supplied to the data center are provided by different devices respectively, and the devices used for cooling the data center occupy a large space.

[0054] Based on this, the embodiments of this application provide a refrigeration device, which can supply coolant and cold air to the data center for dissipating heat from the data center, and can make the space occupied by the devices for cooling the data center smaller.

[0055] Figure 1 Schematic connection diagram of a refrigeration device provided by an embodiment of this application at a computer room.

[0056] AsFigure 1 As shown in the figure, the data center includes a computer room 10, a liquid cooling device 20, and a cooling medium distribution unit 30. The liquid cooling device 20 and the cooling medium distribution unit 30 are both installed in the computer room 10. The inlet end of the liquid cooling device 20 is connected to the outlet end of the cooling medium distribution unit 30, and the outlet end of the liquid cooling device 20 is connected to the inlet end of the liquid cooling medium distribution unit 30. A circulation loop for the liquid cooling medium to circulate is formed between the liquid cooling device 20 and the cooling medium distribution unit 30. The cooling medium distribution unit 30 is used to supply the cooling medium to the liquid cooling device 20. After absorbing heat in the liquid cooling device 20, the cooling medium flows back to the cooling medium distribution unit 30 for heat dissipation.

[0057] Exemplarily, multiple liquid cooling devices 20 can be arranged in the computer room 10.

[0058] Exemplarily, any one of the liquid cooling devices 20 can include, but is not limited to, a liquid cooling cabinet, a liquid cooling server, etc.

[0059] Exemplarily, the cooling medium distribution unit 30 has a seventh heat exchange flow channel and an eighth heat exchange flow channel. The inlet end of the seventh heat exchange flow channel is connected to the outlet end of the liquid cooling device 20, and the outlet end of the seventh heat exchange flow channel is connected to the inlet end of the liquid cooling device 20. A circulation loop for the liquid cooling medium to circulate is formed between the seventh heat exchange flow channel and the liquid cooling device 20. The eighth heat exchange flow channel is used for the coolant to flow through. The cooling medium distribution unit 30 is used to exchange heat between the liquid cooling medium in the seventh heat exchange flow channel and the coolant in the eighth heat exchange flow channel to take away the heat absorbed by the cooling medium. The coolant in the eighth heat exchange flow channel is used to dissipate heat from the liquid cooling medium.

[0060] Figure 2 It is a schematic diagram of a refrigeration device provided by an embodiment of the present application.

[0061] As Figure 2 shown, and referring to Figure 1 , in the embodiment of the present application, the refrigeration device 40 is arranged outside the computer room 10. The refrigeration device 40 includes a heat exchanger 200. The heat exchanger 200 has a first heat exchange flow channel 210 and a second heat exchange flow channel 220. The refrigeration device 40 further includes a cooling air inlet air duct 110, a cooling air outlet air duct 120, an indoor supply air duct 130, and an indoor return air duct 140.

[0062] The air inlet of the indoor return air duct 140 is connected to the air return opening of the computer room 10 through a return air duct. The air outlet of the indoor return air duct 140 is connected to the air inlet of the first heat exchange flow channel 210. The air outlet of the first heat exchange flow channel 210 is connected to the air inlet of the indoor supply air duct 130. The air outlet of the indoor supply air duct 130 is connected to the air supply opening of the computer room 10 through a supply air duct. The indoor return air duct 140, the first heat exchange flow channel 210, and the indoor supply air duct 130 are used for the indoor air to flow through.

[0063] The air inlet of the cooling air inlet air duct 110 is used for allowing the cooling air to flow into the refrigeration device 40. The air outlet of the cooling air inlet air duct 110 is connected to the air inlet of the second heat exchange flow path 220. The air outlet of the second heat exchange flow path 220 is connected to the air inlet of the cooling air outlet air duct 120. The air outlet of the cooling air outlet air duct 120 is used for allowing the cooling air to flow out of the refrigeration device 40. The cooling air inlet air duct 110, the second heat exchange flow path 220 and the cooling air outlet air duct 120 are used for allowing the cooling air to flow through.

[0064] The heat exchanger 200 is used for enabling the indoor air in the first heat exchange flow path 210 to exchange heat with the cooling air in the second heat exchange flow path 220. The cooling air flowing through the cooling air inlet air duct 110, the second heat exchange flow path 220 and the cooling air outlet air duct 120 can take away the heat of the indoor air in the first heat exchange flow path 210, and thus can cool the indoor air flowing into the refrigeration device 40 through the return air inlet. After the indoor air is cooled in the refrigeration device 40, the refrigeration device 40 can supply cold air into the computer room 10 through the air supply duct.

[0065] Exemplarily, the heat exchanger 200 can be an air-to-air heat exchanger.

[0066] Exemplarily, the air inlet of the cooling air inlet air duct 110 can be communicated with the external environment. The cooling air can be the natural wind in the external environment. The air outlet of the cooling air outlet air duct 120 can be communicated with the external environment. The cooling air after heat exchange through the heat exchanger 200 can flow back into the external environment.

[0067] In this way, the natural wind in the external environment can be utilized to provide cold for the cold air supplied into the computer room 10. The heat exchange path between the cold air supplied into the computer room 10 and the natural wind in the external environment is short, and the heat exchange efficiency is high.

[0068] In some possible implementation manners, the refrigeration device 40 includes a chassis 100. The heat exchanger 200 is disposed in the chassis 100. The chassis 100 is provided with a cooling air inlet air duct 110, a cooling air outlet air duct 120, an indoor air supply duct 130 and an indoor air return duct 140.

[0069] Exemplarily, the chassis 100 can include a plurality of outer plates and a plurality of partition plates. The plurality of outer plates can be spliced to form the outer wall of the chassis 100. The heat exchanger 200 and the partition plates are disposed in the space enclosed by the outer wall of the chassis 100. The outer wall of the chassis 100 and the partition plates can be used to enclose and form the indoor air return duct 140, the indoor air supply duct 130, the cooling air inlet air duct 110 and the cooling air outlet air duct 120. The indoor air return duct 140, the indoor air supply duct 130, the cooling air inlet air duct 110 and the cooling air outlet air duct 120 can be separated by the heat exchanger 200 and the partition plates.

[0070] In an embodiment of the present application, the refrigeration device 40 further includes a liquid supply pipe 310, a liquid return pipe 320, and at least one heat exchange pipe 300. The outlet end of the liquid return pipe 320 is connected to the inlet end of the heat exchange pipe 300, the outlet end of the heat exchange pipe 300 is connected to the inlet end of the liquid supply pipe 310, and the liquid return pipe 320, the heat exchange pipe 300, and the liquid supply pipe 310 are used for allowing a coolant to flow through. The liquid supply pipe 310 is used for supplying the coolant into the data center.

[0071] At least one of the cooling air inlet air duct 110 and the cooling air outlet air duct 120 is provided with a heat exchange pipe 300. The refrigeration device 40 is configured to enable heat exchange between the cooling air in at least one of the cooling air inlet air duct 110 and the cooling air outlet air duct 120 and the coolant in the heat exchange pipe 300. The cooling air flowing through the cooling air inlet air duct 110, the second heat exchange flow path 220, and the cooling air outlet air duct 120 can take away the heat of the coolant in the heat exchange pipe 300. Furthermore, the coolant flowing into the refrigeration device 40 through the liquid return pipe 320 can be cooled. After the coolant is cooled in the refrigeration device 40, the refrigeration device 40 can supply the coolant at a lower temperature into the data center through the liquid supply pipe 310.

[0072] In this way, the refrigeration device 40 can supply cold air and coolant at a lower temperature into the data center. That is to say, the cold air and the coolant at a lower temperature supplied into the data center can be provided by one device, namely the refrigeration device 40. There is no need to set up devices such as cooling towers and air conditioners for cooling the data center, which can make the space occupied by the devices for cooling the data center smaller. In addition, the refrigeration device 40 is arranged outside the computer room 10 and does not occupy the space inside the computer room 10, which is beneficial to the layout of devices such as servers inside the computer room 10. Moreover, compared with large-sized devices such as cooling towers, the refrigeration device 40 can have a smaller size, which is convenient to adjust the amount of cold provided to the data center by adjusting the number of refrigeration devices 40 to meet different heat dissipation requirements of the data center.

[0073] When the cooling air is natural wind from the external environment, the natural wind from the external environment provides cold for the coolant supplied into the data center. The heat exchange path between the coolant supplied into the data center and the natural wind from the external environment is short, and the heat exchange efficiency is high.

[0074] Exemplarily, the inlet end of the liquid return pipe 320 is connected to the outlet end of the eighth heat exchange flow path, the outlet end of the liquid supply pipe 310 is connected to the inlet end of the eighth heat exchange flow path. The liquid return pipe 320, the heat exchange pipe 300, the liquid supply pipe 310, and the eighth heat exchange flow path are used to form a circulation loop for the coolant to circulate. The refrigeration device 40 can supply the coolant at a lower temperature into the eighth heat exchange flow path through the liquid supply pipe 310.

[0075] Exemplarily, any one of the heat exchange pipes 300 can be a coiled pipe.

[0076] Exemplarily, the heat exchange tube 300 is made of a material with good heat conduction performance. For example, any one of the heat exchange tubes 300 can be made of one or more of the following materials: copper, stainless steel, etc.

[0077] Exemplarily, the refrigeration device 40 further includes a first blower 610, and the first blower 610 can be arranged in the cooling air outlet air duct 120. The first blower 610 is used to drive the cooling air to flow from the air inlet of the cooling air inlet air duct 110 to the air outlet of the cooling air outlet air duct 120.

[0078] Exemplarily, the refrigeration device 40 further includes a second blower 620, and the second blower 620 can be arranged in the indoor air supply air duct 130. The second blower 620 is used to drive the indoor air to flow from the air inlet of the indoor return air duct 140 to the air outlet of the indoor air supply air duct 130.

[0079] In some possible implementation manners, the refrigeration device 40 further includes a supplementary cooling system. The supplementary cooling system includes a first evaporator 720, a condenser 740, a compressor 710, and a first throttling device 730. The outlet end of the compressor 710 is connected to the inlet end of the condenser 740, the outlet end of the condenser 740 is connected to the inlet end of the first throttling device 730, the outlet end of the first throttling device 730 is connected to the inlet end of the first evaporator 720, and the outlet end of the first evaporator 720 is connected to the inlet end of the compressor 710. The first evaporator 720 is arranged in the indoor air supply air duct 130.

[0080] In this way, the compressor 710, the condenser 740, the first throttling device 730, and the first evaporator 720 can be used to form a circulation loop for the refrigerant to circulate. The cold air supplied to the data center can be supplemented with cold by the first evaporator 720 arranged in the indoor air supply air duct 130, and the temperature of the cold air supplied to the data center can be further reduced.

[0081] Exemplarily, the first evaporator 720 can be arranged between the second blower 620 and the air outlet of the first heat exchange flow channel 210.

[0082] In some possible implementation manners, heat exchange tubes 300 are arranged in the cooling air outlet air duct 120.

[0083] In this way, the temperature of the indoor air in the first heat exchange flow channel 210 is often lower than the temperature of the coolant flowing into the refrigeration device 40. After the cooling air exchanges heat with the indoor air in the first heat exchange flow channel 210 first, it then exchanges heat with the heat exchange tubes 300 arranged in the cooling air outlet air duct 120, which is convenient for realizing the cascade utilization of the cold quantity of the cooling air.

[0084] In some possible embodiments, the refrigeration device 40 further includes a first spraying assembly 400. The air outlet of the second heat exchange channel 220 is located on the top surface of the heat exchanger 200. The first spraying assembly 400 is disposed in the cooling air outlet duct 120, above the air outlet of the second heat exchange channel 220, and the first spraying assembly 400 is configured to spray in the direction of the air outlet of the second heat exchange channel 220.

[0085] In this way, through the spraying of the first spraying assembly 400, the cooling air in the second heat exchange channel 220 can be turned into wet air, and the wet air can evaporate and absorb heat, which is conducive to improving the heat dissipation efficiency of the indoor air in the first heat exchange channel 210 and the coolant in the heat exchange tube 300.

[0086] The first spraying assembly 400 is disposed below the first blower 610.

[0087] Exemplarily, the cooling air outlet duct 120 is located above the heat exchanger 200.

[0088] In some possible embodiments, the air inlet of the second heat exchange channel 220 is located on the bottom surface of the heat exchanger 200. The refrigeration device 40 further includes a water receiving tray 640, which is disposed in the cooling air inlet duct 110, below the air inlet of the second heat exchange channel 220, and the water receiving tray 640 is configured to receive the sprayed water.

[0089] In some examples, the refrigeration device 40 further includes a first liquid pump 410. The output end of the first liquid pump 410 is connected to the first spraying assembly 400, and the input end of the first liquid pump 410 is connected to the water receiving tray 640. The first liquid pump 410 is configured to drive the water in the water receiving tray 640 to flow towards the first spraying assembly 400, and the first spraying assembly 400 can use the water received in the water receiving tray 640 for spraying. In this way, the sprayed water can be recycled.

[0090] In some possible embodiments, the refrigeration device 40 further includes a baffle 630, which is disposed in the cooling air outlet duct 120, between the first spraying assembly 400 and the first blower 610. The baffle 630 is configured to block the flow of liquid towards the first blower 610, and the gas below the baffle 630 can pass through the baffle 630 and flow towards the first blower 610.

[0091] Exemplarily, the air outlet of the cooling air outlet duct 120 is located at the upper part of the refrigeration device 40, and the air inlet of the cooling air inlet duct 110 is located at the lower part of the refrigeration device 40. In this way, the relatively high-temperature cooling air flowing out from the air outlet of the cooling air outlet duct 120 is not likely to flow back into the cooling air inlet duct 110 again, which can make the temperature of the cooling air flowing into the cooling air inlet duct 110 relatively low, facilitating the heat dissipation of the indoor air and the coolant.

[0092] In some possible embodiments, at least one heat exchange tube 300 includes a first heat exchange tube 300a. The first heat exchange tube 300a is disposed below the first spraying assembly 400 and within the spraying range of the first spraying assembly 400.

[0093] In this way, the sprayed water from the first spraying assembly 400 can adhere to the surface of the first heat exchange tube 300a, and the sprayed water adhering to the surface of the first heat exchange tube 300a can evaporate and absorb heat, which is conducive to improving the heat dissipation efficiency of the coolant in the first heat exchange tube 300a.

[0094] Exemplarily, the first heat exchange tube 300a can be a coil tube.

[0095] In some possible embodiments, at least one heat exchange tube 300 includes a second heat exchange tube 300b. The second heat exchange tube 300b is located in the cooling air outlet air duct 120 and is disposed above the first spraying assembly 400.

[0096] In this way, the second heat exchange tube 300b is outside the spraying range of the first spraying assembly 400, and the spraying of the first spraying assembly 400 has little influence on the heat dissipation of the second heat exchange tube 300b, which is convenient for realizing the cascade utilization of the cooling capacity of the cooling air.

[0097] Exemplarily, the second heat exchange tube 300b can be a coil tube.

[0098] In some examples, the second heat exchange tube 300b can be disposed above the water baffle 630, and the second heat exchange tube 300b can be disposed between the water baffle 630 and the first fan 610.

[0099] In other examples, the second heat exchange tube 300b can be disposed below the water baffle 630.

[0100] In some examples, the refrigeration device 40 can include the first heat exchange tube 300a and not include the second heat exchange tube 300b.

[0101] In other examples, the refrigeration device 40 can include the second heat exchange tube 300b and not include the first heat exchange tube 300a.

[0102] In still other examples, the refrigeration device 40 includes a first heat exchange tube 300a and a second heat exchange tube 300b. That is to say, at least one heat exchange tube 300 includes the first heat exchange tube 300a and the second heat exchange tube 300b. The first heat exchange tube 300a is connected in series with the second heat exchange tube 300b. The inlet end of the second heat exchange tube 300b is connected to the outlet end of the liquid return pipe 320, the outlet end of the second heat exchange tube 300b is connected to the inlet end of the first heat exchange tube 300a, and the outlet end of the first heat exchange tube 300a is connected to the inlet end of the liquid supply pipe 310.

[0103] In this way, it is convenient to realize the cascade utilization of the cooling capacity of the cooling air. The second heat exchange tube 300b can play a role in pre-cooling the coolant. The coolant pre-cooled in the second heat exchange tube 300b is further cooled in the first heat exchange tube 300a, which can make the heat dissipation efficiency of the coolant relatively high and the utilization rate of the cooling capacity of the cooling air relatively high.

[0104] In some possible implementation manners, the first heat exchange tube 300a is arranged in the cooling air inlet air duct 110, and the first heat exchange tube 300a is located below the air inlet of the second heat exchange flow path 220. At this time, the first heat exchange tube 300a is located between the air inlet of the second heat exchange flow path 220 and the water receiving tray 640.

[0105] In this way, the space requirement for the cooling air outlet air duct 120 is relatively low, which is beneficial to reducing the size of the cooling air outlet air duct 120. In addition, the second heat exchange flow path 220 can be better sprayed, and the heat dissipation effect on the indoor air is better.

[0106] Figure 3 Schematic diagram of another refrigeration device provided by an embodiment of the present application.

[0107] As Figure 3 shown, in some possible implementation manners, the first heat exchange tube 300a is located in the cooling air outlet air duct 120, and the first heat exchange tube 300a is arranged between the first spraying assembly 400 and the air outlet of the second heat exchange flow path 220.

[0108] In this way, the space requirement for the cooling air inlet air duct 110 is relatively low, which is beneficial to reducing the size of the cooling air inlet air duct 110. In addition, the first heat exchange tube 300a can be better sprayed, and the heat dissipation effect on the coolant is better.

[0109] Figure 4 Schematic diagram of still another refrigeration device provided by an embodiment of the present application.

[0110] As Figure 4As shown, in some possible embodiments, the refrigeration device 40 further includes a second spraying assembly 500. The second spraying assembly 500 is disposed in the cooling air outlet duct 120, above the air outlet of the second heat exchange flow path 220, and is used for spraying in the direction of the air outlet of the second heat exchange flow path 220. The first heat exchange tube 300a is disposed above the second spraying assembly 500.

[0111] In this way, the heat dissipation effect on the indoor air is improved by the spraying of the second spraying assembly 500, which is beneficial to reducing the temperature of the cold air supplied to the data center. The influence of the second spraying assembly 500 on the heat dissipation of the coolant in the first heat exchange tube 300a is relatively small. The first spraying assembly 400 and the second spraying assembly 500 can be controlled according to the temperature of the cooling air flowing into the refrigeration device 40 to meet the cooling demand of the data center at different outdoor temperatures.

[0112] In some examples, the refrigeration device 40 further includes a second liquid pump 510. The output end of the second liquid pump 510 is connected to the second spraying assembly 500, and the input end of the second liquid pump 510 is connected to the water receiving tray 640. The second liquid pump 510 is used to drive the water in the water receiving tray 640 to flow towards the second spraying assembly 500, and the second spraying assembly 500 can use the water received in the water receiving tray 640 for spraying.

[0113] Exemplarily, when the outdoor temperature is very low, the first spraying assembly 400, the second spraying assembly 500, and the supplementary cooling system can all be inoperative. That is to say, the first liquid pump 410, the second liquid pump 510, and the compressor 710 can all be turned off.

[0114] Exemplarily, when the outdoor temperature is relatively low, the first spraying assembly 400 can be operative, while the second spraying assembly 500 and the supplementary cooling system are both inoperative. That is to say, the first liquid pump 410 can be turned on, while the second liquid pump 510 and the compressor 710 are both turned off, and the first spraying assembly 400 is used to spray the first heat exchange tube 300a and the second heat exchange flow path 220.

[0115] Exemplarily, when the outdoor temperature is relatively high, the first spraying assembly 400 and the second spraying assembly 500 can both be operative, while the supplementary cooling system is inoperative. That is to say, the first liquid pump 410 and the second liquid pump 510 are turned on, and the compressor 710 is turned off. The first spraying assembly 400 is used to spray the first heat exchange tube 300a and the second heat exchange flow path 220, and the second spraying assembly 500 is used to spray the second heat exchange flow path 220.

[0116] Exemplarily, when the outdoor temperature is very high, the first spray assembly 400, the second spray assembly 500 and the supplementary cooling system can all operate. That is to say, the first liquid pump 410, the second liquid pump 510 and the compressor 710 are all turned on. The first spray assembly 400 sprays the first heat exchange tube 300a and the second heat exchange flow path 220, the second spray assembly 500 sprays the second heat exchange flow path 220, and the supplementary cooling system performs supplementary cooling.

[0117] Figure 5 Schematic diagram of another refrigeration device provided by an embodiment of the present application.

[0118] Such as Figure 5 As shown, in some possible implementation manners, the refrigeration device 40 further includes a water distribution filler 650. The water distribution filler 650 is provided in at least one of the cooling air inlet air duct 110 and the cooling air outlet air duct 120. The water distribution filler 650 is arranged below the first spray assembly 400 and within the spray range of the first spray assembly 400.

[0119] In this way, through the spraying of the first spray assembly 400, a relatively uniform water film can be formed at the water distribution filler 650, which is beneficial to improving the heat dissipation efficiency of the refrigeration device 40.

[0120] In some examples, the water distribution filler 650 is provided in the cooling air outlet air duct 120. The water distribution filler 650 provided in the cooling air outlet air duct 120 is arranged above the air outlet of the second heat exchange flow path 220.

[0121] Exemplarily, the water distribution filler 650 provided in the cooling air outlet air duct 120 is arranged below the first heat exchange tube 300a, and the temperature of the cooling air flowing to the first heat exchange tube 300a is also relatively low.

[0122] Figure 6 Schematic diagram of another refrigeration device provided by an embodiment of the present application.

[0123] In some examples, the water distribution filler 650 is provided in the cooling air inlet air duct 110. The water distribution filler 650 provided in the cooling air inlet air duct 110 is arranged below the air inlet of the second heat exchange flow path 220.

[0124] In some possible implementation manners, the condenser 740 is arranged in the cooling air outlet air duct 120.

[0125] In this way, the heat in the refrigerant in the condenser 740 can be taken away by the cooling air, which is convenient for the supplementary cooling system to cool the indoor air.

[0126] In some examples, the condenser 740 is arranged above the first spray assembly 400. At this time, the condenser 740 can be an air-cooled condenser.

[0127] Figure 7 This is a schematic diagram of another refrigeration device provided by an embodiment of the present application.

[0128] As Figure 7 shown, in some possible implementation manners, the condenser 740 is disposed below the first spraying assembly 400 of the refrigeration device 40, and the condenser 740 is within the spraying range of the first spraying assembly 400. At this time, the condenser 740 is an evaporative condenser.

[0129] In this way, the first spraying assembly 400 can spray the condenser 740, and the evaporation of water on the surface of the condenser 740 can be utilized to absorb heat, which is beneficial to improving the condensation effect of the condenser 740, and further can improve the cold supplement effect of the cold supplement system.

[0130] Figure 8 This is a schematic diagram of another refrigeration device provided by an embodiment of the present application.

[0131] As Figure 8 shown, in some examples where the condenser 740 is disposed below the first spraying assembly 400 of the refrigeration device 40, the condenser 740 and the first heat exchange tube 300a of the refrigeration device 40 are arranged side by side in the horizontal direction at the same height, and a part of the first spraying assembly 400 sprays the condenser 740 and a part of the first spraying assembly 400 sprays the first heat exchange tube 300a.

[0132] In this way, the heat exchange area between the condenser 740 and the first heat exchange tube 300a and the cooling air can be adjusted by adjusting the dimensions of the condenser 740 and the first heat exchange tube 300a in the horizontal direction, so as to facilitate adjusting the ratio of the cold air and the cooling liquid provided by the refrigeration device 40 according to different requirements for the air-liquid cooling ratio.

[0133] Figure 9 This is a schematic diagram of another refrigeration device provided by an embodiment of the present application.

[0134] As Figure 9As shown, in some possible embodiments, the supplementary cooling system further includes a second evaporator 750 and a second throttling device 760. The second evaporator 750 has a fifth heat exchange flow channel 751 and a sixth heat exchange flow channel 752. The inlet end of the second throttling device 760 is connected to the outlet end of the condenser 740, and the outlet end of the second throttling device 760 is connected to the inlet end of the fifth heat exchange flow channel 751. The outlet end of the fifth heat exchange flow channel 751 is connected to the inlet end of the compressor 710. The compressor 710, the condenser 740, the second throttling device 760, and the second evaporator 750 can form a circulation loop for the refrigerant to circulate. The inlet end of the sixth heat exchange flow channel 752 is connected to the outlet end of the heat exchange tube 300, and the outlet end of the sixth heat exchange flow channel 752 is connected to the inlet end of the liquid supply pipe 310. The second evaporator 750 is used to enable the refrigerant in the fifth heat exchange flow channel 751 to exchange heat with the coolant in the sixth heat exchange flow channel 752.

[0135] In this way, part of the refrigerant flowing out from the outlet end of the condenser 740 flows into the first evaporator 720 through the first throttling device 730, and part of the refrigerant flows into the fifth heat exchange flow channel 751 through the second throttling device 760. The refrigerant flowing into the fifth heat exchange flow channel 751 can supplement the cooling of the coolant, which is beneficial to reducing the temperature of the coolant supplied to the data center.

[0136] Exemplarily, the second evaporator 750 can be a plate heat exchanger evaporator.

[0137] When the refrigeration device 40 includes a first heat exchange tube 300a and a second heat exchange tube 300b connected in series, the inlet end of the sixth heat exchange flow channel 752 is connected to the outlet end of the first heat exchange tube 300a.

[0138] In some possible embodiments, the refrigeration device 40 further includes a bypass pipe 330 and a first flow regulating device 340. The inlet end of the bypass pipe 330 is connected to the outlet end of the heat exchange tube 300. The first flow regulating device 340 has a first port, a second port, and a third port. The outlet end of the sixth heat exchange flow channel 752 is connected to the first port, and the inlet end of the liquid supply pipe 310 is connected to the second port, so that the outlet end of the sixth heat exchange flow channel 752 is connected to the inlet end of the liquid supply pipe 310 through the first port and the second port. The outlet end of the bypass pipe 330 is connected to the third port. The first flow regulating device 340 is used to regulate the flow rate of the coolant flowing through the bypass pipe 330 and the sixth heat exchange flow channel 752.

[0139] In this way, the flow rate of the coolant flowing through the bypass pipe 330 and the sixth heat exchange flow channel 752 can be distributed by the first flow regulating device 340, and thus the cooling capacity of the coolant flowing into the liquid supply pipe 310 can be adjusted.

[0140] Exemplarily, the first flow regulating device 340 can be a three-way regulating valve.

[0141] In some possible embodiments, the refrigeration device 40 further includes a second flow regulating device 770. The outlet end of the first evaporator 720 and the outlet end of the fifth heat exchange channel 751 are connected to the inlet end of the compressor 710 through the second flow regulating device 770, and the second flow regulating device 770 is used to regulate the flow rate of the refrigerant flowing through the first evaporator 720 and the fifth heat exchange channel 751.

[0142] In this way, the second flow regulating device 770 can be used to distribute the flow rate of the refrigerant flowing through the first evaporator 720 and the fifth heat exchange channel 751, so that the distribution of the supplementary cooling amounts of the indoor air and the coolant can be adjusted, and further the cold amounts in the cold air and the coolant supplied to the data center can be adjusted.

[0143] Exemplarily, the second flow regulating device 770 includes a first flow regulating valve 771 and a second flow regulating valve 772. The outlet end of the first evaporator 720 is connected to the inlet end of the compressor 710 through the first flow regulating valve 771, and the outlet end of the fifth heat exchange channel 751 is connected to the inlet end of the compressor 710 through the second flow regulating valve 772. In this way, it is convenient to independently regulate the flow rate of the refrigerant flowing through the first evaporator 720 and the fifth heat exchange channel 751.

[0144] Figure 10 Schematic diagram of another refrigeration device provided by an embodiment of the present application.

[0145] As Figure 10 shown, in some possible embodiments, the condenser 740 has a third heat exchange channel 741 and a fourth heat exchange channel 742. The inlet end of the third heat exchange channel 741 is connected to the outlet end of the compressor 710, and the outlet end of the third heat exchange channel 741 is connected to the inlet end of the first throttling device 730. The inlet end of the fourth heat exchange channel 742 and the inlet end of the liquid supply pipe 310 are both connected to the outlet end of the heat exchange pipe 300, and the outlet end of the fourth heat exchange channel 742 and the outlet end of the liquid return pipe 320 are both connected to the inlet end of the heat exchange pipe 300. The condenser 740 is used to perform heat exchange between the refrigerant in the third heat exchange channel 741 and the coolant in the fourth heat exchange channel 742. At this time, the condenser 740 is a water-cooled condenser 740.

[0146] In this way, part of the coolant flowing out of the outlet end of the heat exchange pipe 300 flows into the fourth heat exchange channel 742 of the condenser 740 to dissipate heat from the refrigerant. Part of the coolant flowing out of the outlet end of the heat exchange pipe 300 flows into the liquid supply pipe 310 to provide a coolant with a lower temperature to the data center, which is beneficial to improving the supplementary cooling effect of the supplementary cooling system. In addition, the refrigerant in the condenser 740 is condensed by the coolant flowing into the condenser 740, which can make the size of the condenser 740 smaller and is beneficial to reducing the size of the refrigeration device 40.

[0147] When the refrigeration device 40 includes a first heat exchange tube 300a and a second heat exchange tube 300b connected in series, the inlet end of the fourth heat exchange flow path 742 and the inlet end of the liquid supply pipe 310 are both connected to the outlet end of the first heat exchange tube 300a, and the outlet end of the fourth heat exchange flow path 742 and the outlet end of the liquid return pipe 320 are both connected to the inlet end of the second heat exchange tube 300b.

[0148] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A refrigeration device (40), characterized in that: It comprises a cooling air inlet duct (110), a cooling air outlet duct (120), a heat exchanger (200), and at least one heat exchange tube (300); The heat exchanger (200) comprises a first heat exchange channel (210) and a second heat exchange channel (220), wherein the first heat exchange channel (210) is used for indoor air to flow through, the air inlet of the second heat exchange channel (220) is connected to the air outlet of the cooling air inlet channel (110), the air outlet of the second heat exchange channel (220) is connected to the air inlet of the cooling air outlet channel (120), the cooling air inlet channel (110), the second heat exchange channel (220) and the cooling air outlet channel (120) are used for cooling air to flow through, and the heat exchanger (200) is used for performing heat exchange between indoor air in the first heat exchange channel (210) and cooling air in the second heat exchange channel (220); The heat exchange tube (300) is provided in at least one of the cooling air inlet duct (110) and the cooling air outlet duct (120), and the heat exchange tube (300) is used for cooling liquid to flow through.

2. The refrigeration device (40) according to claim 1, characterized in that: The heat exchange pipe (300) is provided in the cooling air outlet duct (120).

3. The refrigeration device (40) according to claim 1, characterized in that: The air outlet of the second heat exchange flow channel (220) is located on the top surface of the heat exchanger (200); The refrigeration equipment (40) further includes a first spray assembly (400); The first spray component (400) is arranged in the cooling air outlet duct (120), the first spray component (400) is located above the air outlet of the second heat exchange channel (220), and the first spray component (400) is used to spray in the direction of the air outlet of the second heat exchange channel (220).

4. The refrigeration device (40) according to claim 3, characterized in that: The at least one heat exchange tube (300) comprises a first heat exchange tube (300a); The first heat exchange tube (300a) is arranged below the first spray assembly (400), and the first heat exchange tube (300a) is located within the spray range of the first spray assembly (400).

5. The refrigeration device (40) according to claim 4, characterized in that: The first heat exchange tube (300a) is located in the cooling air outlet duct (120), and the first heat exchange tube (300a) is arranged between the first spray assembly (400) and the air outlet of the second heat exchange channel (220).

6. The refrigeration device (40) according to claim 5, characterized in that: Also includes a second spray assembly (500); The second spray assembly (500) is arranged in the cooling air outlet duct (120), the second spray assembly (500) is arranged above the air outlet of the second heat exchange flow channel (220), and the second spray assembly (500) is used to spray in the direction of the air outlet of the second heat exchange flow channel (220); The first heat exchange tube (300a) is arranged above the second spray assembly (500).

7. The refrigeration device (40) according to claim 4, characterized in that: The air inlet of the second heat exchange channel (220) is located on the bottom surface of the heat exchanger (200); The first heat exchange tube (300a) is arranged in the cooling air inlet duct (110), and the first heat exchange tube (300a) is located below the air inlet of the second heat exchange channel (220).

8. The refrigeration device (40) according to claim 3, characterized in that: The at least one heat exchange tube (300) comprises a second heat exchange tube (300b); The second heat exchange tube (300b) is located in the cooling air outlet duct (120), and the second heat exchange tube (300b) is arranged above the first spray assembly (400).

9. The refrigeration device (40) according to claim 3, characterized in that: At least one heat exchange tube (300) comprises a first heat exchange tube (300a) and a second heat exchange tube (300b), wherein the first heat exchange tube (300a) and the second heat exchange tube (300b) are connected in series; The first heat exchange tube (300a) is arranged below the first spray assembly (400), and the first heat exchange tube (300a) is located within the spray range of the first spray assembly (400); The second heat exchange tube (300b) is located in the cooling air outlet duct (120), and the second heat exchange tube (300b) is arranged above the first spray assembly (400).

10. The refrigeration device (40) according to claim 3, characterized in that: Also included is a water-spraying filler (650); The water spray filler (650) is provided in at least one of the cooling air inlet duct (110) and the cooling air outlet duct (120); the water spray filler (650) is arranged below the first spray component (400); and the water spray filler (650) is located within the spray range of the first spray component (400).

11. The refrigeration device (40) according to any one of claims 1 to 10, characterized in that: It also includes an indoor air supply duct (130), a first evaporator (720), a condenser (740), a compressor (710) and a first throttling device (730); The air outlet of the first heat exchange flow channel (210) is connected to the air inlet of the indoor air supply duct (130); The outlet end of the compressor (710) is connected to the inlet end of the condenser (740), the outlet end of the condenser (740) is connected to the inlet end of the first throttling device (730), the outlet end of the first throttling device (730) is connected to the inlet end of the first evaporator (720), and the outlet end of the first evaporator (720) is connected to the inlet end of the compressor (710); The first evaporator (720) is disposed in the indoor air supply duct (130).

12. The refrigeration device (40) according to claim 11, characterized in that: The condenser (740) is disposed in the cooling air outlet duct (120).

13. The refrigeration device (40) according to claim 12, characterized in that: The condenser (740) is arranged below the first spray assembly (400) of the refrigeration device (40), and the condenser (740) is located within the spray range of the first spray assembly (400).

14. The refrigeration device (40) according to claim 13, characterized in that: The condenser (740) and the first heat exchange tube (300a) of the refrigeration device (40) are arranged side by side in a horizontal direction at the same height.

15. The refrigeration device (40) according to claim 11, characterized in that: It also includes a liquid supply pipe (310) and a liquid return pipe (320); The condenser (740) has a third heat exchange flow channel (741) and a fourth heat exchange flow channel (742); The inlet end of the third heat exchange flow channel (741) is connected to the outlet end of the compressor (710), and the outlet end of the third heat exchange flow channel (741) is connected to the inlet end of the first throttling device (730); The inlet end of the fourth heat exchange channel (742) and the inlet end of the liquid supply pipe (310) are both connected to the outlet end of the heat exchange pipe (300), and the outlet end of the fourth heat exchange channel (742) and the outlet end of the liquid return pipe (320) are both connected to the inlet end of the heat exchange pipe (300); The condenser (740) is used to perform heat exchange between the refrigerant in the third heat exchange channel (741) and the cooling liquid in the fourth heat exchange channel (742).

16. The refrigeration device (40) according to claim 11, characterized in that: It also includes a second evaporator (750), a second throttling device (760) and a liquid supply pipe (310); The second evaporator (750) has a fifth heat exchange flow channel (751) and a sixth heat exchange flow channel (752); The inlet end of the second throttling device (760) is connected to the outlet end of the condenser (740), the outlet end of the second throttling device (760) is connected to the inlet end of the fifth heat exchange flow channel (751), and the outlet end of the fifth heat exchange flow channel (751) is connected to the inlet end of the compressor (710); The inlet end of the sixth heat exchange channel (752) is connected to the outlet end of the heat exchange pipe (300), and the outlet end of the sixth heat exchange channel (752) is connected to the inlet end of the liquid supply pipe (310); The second evaporator (750) is used to perform heat exchange between the refrigerant in the fifth heat exchange channel (751) and the cooling liquid in the sixth heat exchange channel (752).

17. The refrigeration device (40) according to claim 16, characterized in that: It also includes a bypass pipe (330) and a first flow regulating device (340); The inlet end of the bypass pipe (330) is connected to the outlet end of the heat exchange pipe (300); The first flow regulating device (340) has a first port, a second port and a third port; The outlet end of the sixth heat exchange channel (752) is connected to the first port, and the inlet end of the liquid supply pipe (310) is connected to the second port, so that the outlet end of the sixth heat exchange channel (752) and the inlet end of the liquid supply pipe (310) are connected through the first port and the second port, and the outlet end of the bypass pipe (330) is connected to the third port; The first flow regulating device (340) is used to regulate the flow of the coolant flowing through the bypass pipe (330) and the sixth heat exchange channel (752).

18. The refrigeration device (40) according to claim 16, characterized in that: Also comprising a second flow regulating device (770); The outlet end of the first evaporator (720) and the outlet end of the fifth heat exchange channel (751) are connected to the inlet end of the compressor (710) through the second flow regulating device (770), and the second flow regulating device (770) is used to regulate the flow of the refrigerant flowing through the first evaporator (720) and the fifth heat exchange channel (751).

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