Cooling device

Abstract

The invention discloses a cooling device, and relates to the technical field of cooling devices, and the cooling device comprises a unit liquid cooling circulation system, a liquid supply circulation system, a heat exchange module and a cooling circulation system. The unit liquid cooling circulation system comprises a liquid cooling unit, a liquid supply looped network and a liquid return looped network, and the liquid supply looped network and the liquid return looped network are both connected with the liquid cooling unit; the liquid supply circulating system is connected with the liquid supply looped network and the liquid return looped network; the heat exchange module is connected with the liquid supply looped network and the liquid return looped network, and the liquid cooling medium exchanges heat in the heat exchange module and then continuously refrigerates the liquid cooling unit; the cooling circulation system is in heat exchange connection with the unit liquid cooling circulation system through the heat exchange module so as to cool a liquid cooling medium in the unit liquid cooling circulation system. The cooling device solves the problem that a current cooling device is single in mode and cannot realize switching and free control of a multi-mode circulating system, so that test requirements of the liquid cooling server under different working conditions cannot be met.

Description

Technical Field

[0001] The present invention relates to the technical field of cooling devices, and in particular to a cooling device. Background Art

[0002] At present, liquid-cooled servers are being favored by more and more companies due to their efficient heat dissipation performance.

[0003] With the rapid development of liquid-cooled server products, the demand for cooling devices is increasing. Cooling devices have advantages in heat dissipation efficiency, stability, safety and space saving. However, the current cooling device mode is single and cannot achieve the switching and free control of the multi-mode circulation system, resulting in the inability to meet the testing requirements of liquid-cooled servers under different working conditions. Summary of the invention

[0004] The purpose of the present invention is to provide a cooling device that solves the problem that the current cooling device has a single mode and cannot realize the switching and free control of a multi-mode circulation system, resulting in the inability to meet the testing requirements of a liquid-cooled server under different working conditions.

[0005] To achieve the above object, the present invention provides a cooling device, comprising:

[0006] The unit liquid cooling circulation system comprises a liquid cooling unit, a liquid supply ring network and a liquid return ring network, and the liquid supply ring network and the liquid return ring network are both connected to the liquid cooling unit;

[0007] A liquid supply circulation system, connected to the liquid supply ring network and the liquid return ring network, for supplying liquid cooling medium to the liquid cooling circulation system of the unit;

[0008] A heat exchange module connected to the liquid supply ring network and the liquid return ring network;

[0009] A cooling circulation system, wherein the cooling circulation system forms a heat exchange connection with the unit liquid cooling circulation system through the heat exchange module to cool the liquid cooling medium in the unit liquid cooling circulation system;

[0010] Wherein, in the first working mode, the liquid supply circulation system is turned on and the cooling circulation system is turned off; in the second working mode, the liquid supply circulation system is turned off and the cooling circulation system is turned on.

[0011] In some aspects, the cooling cycle system comprises:

[0012] A cooling module is used to cool the liquid cooling medium;

[0013] The power module is connected to the cooling module and the heat exchange module, and is used to provide power so that the liquid cooling medium circulates between the cooling module and the heat exchange module.

[0014] In other aspects, the cooling circulation system also includes a refrigeration module, which is connected to the heat exchange module, and is used to cool the liquid cooling medium and to enable the liquid cooling medium in the heat exchange module to achieve heat exchange with the liquid cooling medium in the liquid cooling circulation system of the unit.

[0015] In other aspects, the temperature reduction cooling module is a closed cooling tower, the refrigeration module is an air-cooled chiller, and the cooling circulation system further includes a cooling tower water supply pipe, a cooling tower return pipe, a first common pipe, a second common pipe, a chiller water supply pipe, and a chiller return pipe;

[0016] The water supply port of the closed cooling tower is connected to one end of the cooling tower water supply pipe, the other end of the cooling tower water supply pipe is connected to one end of the first common pipe, the other end of the first common pipe is respectively connected to the water inlet of the power module and the water inlet of the heat exchange module through the first water inlet pipe and the second water inlet pipe, the return water port of the closed cooling tower is connected to one end of the cooling tower return water pipe, the other end of the cooling tower return water pipe is connected to one end of the second common pipe, the other end of the second common pipe is connected to the water outlet of the heat exchange module through the second water outlet pipe, the water outlet of the power module is connected to the second water inlet pipe through the first water outlet pipe, the two ends of the chiller water supply pipe are respectively connected to the water supply port of the air-cooled chiller and the first common pipe, and the two ends of the chiller water return pipe are respectively connected to the return water port of the air-cooled chiller and the second common pipe;

[0017] The cooling tower return pipe is provided with a first valve, the cooling tower water supply pipe is provided with a second valve, the cold machine return pipe is provided with a fifth valve, the cold machine water supply pipe is provided with a sixth valve, the first water inlet pipe is provided with a seventh valve, the second water outlet pipe is provided with an eighth valve, the first water outlet pipe is provided with a ninth valve, and the second water inlet pipe is provided with a tenth valve.

[0018] In other aspects, the liquid supply circulation system includes a first refrigeration module, wherein the first refrigeration module includes:

[0019] Dry cooler;

[0020] A dry cooling water pump is arranged below the dry cooler and is used to provide liquid supply power;

[0021] The control unit is connected to the dry cooler and the dry cooling water pump for controlling the operation of the dry cooler and the dry cooling water pump.

[0022] In other aspects, the liquid supply circulation system further includes a cooler water supply pipe and a cooler water return pipe, the two ends of the cooler water supply pipe are respectively connected to the water supply port of the dry cooler and the liquid supply ring network, and the two ends of the cooler water return pipe are respectively connected to the water return port of the dry cooler and the liquid return ring network;

[0023] The cooler water return pipe is provided with a third valve, and the cooler water supply pipe is provided with a fourth valve.

[0024] In other aspects, the liquid cooling unit includes at least two first server cabinets and at least two second server cabinets;

[0025] The unit liquid cooling circulation system also includes a base, and the power module, the heat exchange module, at least two of the first server cabinets and at least two of the second server cabinets are arranged side by side in sequence on the base.

[0026] In other aspects, any of the first server cabinets is connected to the liquid supply ring network and the liquid return ring network through a first water supply pipe and a first water return pipe respectively, any of the second server cabinets is connected to the liquid supply ring network through two second water supply pipes, and any of the second server cabinets is connected to the liquid return ring network through two second water return pipes;

[0027] Any of the first water supply pipes, any of the first water return pipes, any of the second water supply pipes and any of the second water return pipes are provided with a ball valve;

[0028] Any one of the first water return pipes and any one of the second water return pipes are provided with a regulating valve.

[0029] In other aspects, any of the first server cabinets and any of the second server cabinets are provided with a radiator, and the unit liquid cooling circulation system further includes a chiller, the chiller is connected to all of the radiators, and the chiller is used to provide a cold source for all of the radiators;

[0030] A cold channel and a hot channel are provided inside any of the first server cabinets and any of the second server cabinets. Cold air is blown toward the cold channel by the fan of the radiator. The cold air in the cold channel takes away the heat generated by the server in the corresponding first server cabinet or the second server cabinet, enters the hot channel, and then returns to the air inlet side of the radiator.

[0031] In other aspects, the unit liquid cooling circulation system further includes a support frame, the support frame is used to install the liquid supply ring network and the liquid return ring network, so that the planes where the liquid supply ring network and the liquid return ring network are located are coplanar and arranged in the vertical direction;

[0032] The support frame includes two vertical beams arranged in the vertical direction;

[0033] A first cross beam is connected between the top ends of the two vertical beams, and first fixing members are provided at both ends of the first cross beam, and the first fixing member includes a first bottom plate, a first side plate and a first connecting plate, and the first connecting plate connects the first bottom plate and the first side plate, and the first bottom plate is fixed to the first cross beam, and at least two first fixing holes are provided on the first side plate, and the at least two first fixing holes are used for fixed connection with the wall;

[0034] The support frame further includes two reinforcing ribs, and the reinforcing ribs are used to connect the first cross beam and the corresponding vertical beam to strengthen the connection strength between the first cross beam and the corresponding vertical beam;

[0035] Two second cross beams are connected between the middle parts of the two vertical beams, the spacing between the two second cross beams is larger than the size of the liquid return ring network in the vertical direction and smaller than the size of the liquid supply ring network in the vertical direction, one of the second cross beams is provided with at least two first clamp fixings distributed at intervals, each of the first clamp fixings is used to connect the liquid supply ring network to fix the liquid supply ring network, and the other second cross beam is provided with at least two second clamp fixings distributed at intervals, each of the second clamp fixings is used to connect the liquid return ring network to fix the liquid return ring network;

[0036] A second fixing member is fixed to the bottom ends of the two vertical beams, the second fixing member is in a plate shape, and the second fixing member is provided with at least two second fixing holes, and the at least two second fixing holes are used for fixed connection with the floor;

[0037] The support frame also includes two oblique support rods, both ends of which are respectively connected to the corresponding second fixing members and the vertical beams, and a third cross beam is connected between the two oblique support rods. The oblique support rods are used to prevent the support frame from tilting forward to ensure the stability of the liquid supply ring network and the liquid return ring network.

[0038] Relative to the above background technology, the cooling device provided by the embodiment of the present invention includes a unit liquid cooling circulation system, a liquid supply circulation system, a heat exchange module and a cooling circulation system. Among them, the unit liquid cooling circulation system includes a liquid cooling unit, a liquid supply ring network and a liquid return ring network, the liquid supply ring network and the liquid return ring network are both connected to the liquid cooling unit, the liquid cooling medium is distributed to the liquid cooling unit through the liquid supply ring network, and flows back to the liquid return ring network after heat exchange with the liquid cooling unit, thereby forming a refrigeration cycle on the secondary side of the liquid cooling; the liquid supply circulation system is connected to the liquid supply ring network and the liquid return ring network, and the liquid supply circulation system is used to directly supply liquid cooling medium to the unit liquid cooling circulation system without the need for secondary heat exchange of the intermediate heat exchange module; the heat exchange module is connected to the liquid supply ring network and the liquid return ring network, and the liquid cooling medium continues to cool the liquid cooling unit after heat exchange in the heat exchange module; the cooling circulation system forms a heat exchange connection with the unit liquid cooling circulation system through the heat exchange module to cool the liquid cooling medium in the unit liquid cooling circulation system.

[0039] Thus, in the first working mode, the liquid supply circulation system is turned on and the cooling circulation system is turned off; in the second working mode, the liquid supply circulation system is turned off and the cooling circulation system is turned on. The first working mode refers to the working mode of the cooling device when the outdoor temperature is within the first preset temperature range, and the second working mode refers to the working mode of the cooling device when the outdoor temperature is within the second preset temperature range.

[0040] Specifically, when the outdoor temperature is within a first preset temperature range, liquid cooling medium is directly supplied to the liquid cooling circulation system of the unit through the liquid supply circulation system. Specifically, the liquid cooling medium supplied by the liquid supply circulation system enters the liquid cooling unit through the liquid supply ring network, and flows back to the liquid supply circulation system through the return liquid ring network after heat exchange with the liquid cooling unit to form a refrigeration cycle; when the outdoor temperature is within a second preset temperature range, the second preset temperature range is greater than the first preset temperature range. At this time, the liquid supply circulation system cannot meet the refrigeration demand of the liquid cooling unit, and the liquid supply circulation system is turned off and the cooling circulation system is turned on. Since the cooling circulation system forms a heat exchange connection with the liquid cooling circulation system of the unit through the heat exchange module, the liquid cooling medium supplied by the cooling circulation system and the liquid cooling medium in the liquid cooling circulation system of the unit can undergo heat exchange in the heat exchange module to cool the liquid cooling medium in the liquid cooling circulation system of the unit to meet the refrigeration demand of the liquid cooling unit.

[0041] The cooling device arranged in this way has the following beneficial effects: the present invention adopts at least two refrigeration cycle modes, specifically, the refrigeration demand of the liquid cooling unit when the outdoor temperature is within the first preset temperature range is met by the liquid supply circulation system, and the refrigeration demand of the liquid cooling unit when the outdoor temperature is within the second preset temperature range is met by the cooling circulation system. In this way, at least two refrigeration cycle modes are adopted, and the switching and free control of the multi-mode refrigeration circulation system are realized to meet the testing requirements of the liquid cooling unit under different working conditions, which solves the problem that the current cooling device mode is single and cannot realize the switching and free control of the multi-mode circulation system, resulting in the inability to meet the testing requirements of the liquid-cooled server under different working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or related technologies, the drawings required for use in the embodiments or related technical descriptions are briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0043] Figure 1 It is a schematic diagram of the overall structure of the cooling device in an embodiment of the present invention;

[0044] Figure 2 for Figure 1 A top view of the cooling device shown;

[0045] Figure 3 for Figure 1 A schematic diagram of the piping layout of the power module, heat exchange module and ring network in the cooling device shown;

[0046] Figure 4 for Figure 1 The schematic diagram of the connection between the water chiller and the liquid cooling unit in the cooling device shown;

[0047] Figure 5 for Figure 4 The front view of the interior of the cabinet in the liquid cooling unit shown;

[0048] Figure 6 for Figure 4 A top view of the interior of a cabinet in the liquid cooling unit shown;

[0049] Figure 7 for Figure 3 Schematic diagram of the structure of the middle support frame.

[0050] in:

[0051] 10- Liquid cooling circulation system of the unit;

[0052] 11-liquid cooling unit, 111-first server cabinet, 1111-first water supply pipe, 1112-first water return pipe, 1113-cold channel, 1114-hot channel, 1115-radiator, 1116-liquid distributor, 1117-liquid collector, 112-second server cabinet, 1121-second water supply pipe, 1122-second water return pipe;

[0053] 12-liquid supply ring network;

[0054] 13-liquid return ring network;

[0055] 14- base;

[0056] 15-ball valve;

[0057] 16- regulating valve;

[0058] 17-Butterfly valve;

[0059] 18- Chiller;

[0060] 19-support frame, 191-vertical beam, 192-first cross beam, 193-first fixing piece, 1931-first bottom plate, 1932-first side plate, 19321-first fixing hole, 1933-first connecting plate, 194-reinforcement rib plate, 195-second cross beam, 1951-first clamp fixing piece, 1952-second clamp fixing piece, 196-second fixing piece, 1961-second fixing hole, 197-oblique support rod, 198-third cross beam;

[0061] 20-liquid supply circulation system, 21-first refrigeration module, 22-cooler water supply pipe, 221-fourth valve, 23-cooler return pipe, 231-third valve;

[0062] 30-heat exchange module, 31-second water inlet pipe, 311-tenth valve, 32-second water outlet pipe, 321-eighth valve;

[0063] 40-cooling circulation system, 41-cooling module, 42-power module, 421-first water inlet pipe, 4211-seventh valve, 422-first water outlet pipe, 4221-ninth valve, 43-refrigeration module, 44-cooling tower water supply pipe, 441-second valve, 45-cooling tower return pipe, 451-first valve, 46-first common pipe, 47-second common pipe, 48-cold machine water supply pipe, 481-sixth valve, 49-cold machine return pipe, 491-fifth valve. DETAILED DESCRIPTION

[0064] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0065] In order to enable those skilled in the art to better understand the scheme of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0066] See also Figure 1 The cooling device provided in the embodiment of the present invention includes a unit liquid cooling circulation system 10, a liquid supply circulation system 20, a heat exchange module 30 and a cooling circulation system 40.

[0067] The unit liquid cooling circulation system 10 includes a liquid cooling unit 11, a liquid supply ring network 12 and a liquid return ring network 13. The liquid supply ring network 12 and the liquid return ring network 13 are both connected to the liquid cooling unit 11. The liquid cooling medium is distributed to the liquid cooling unit 11 through the liquid supply ring network 12, and flows back to the liquid return ring network 13 after heat exchange with the liquid cooling unit 11, thereby forming a refrigeration cycle on the liquid cooling secondary side.

[0068] The liquid cooling unit 11 may include at least two types of liquid cooling server cabinets, such as a high-density liquid cooling server cabinet and a low-density liquid cooling server cabinet.

[0069] The liquid supply circulation system 20 is connected to the liquid supply ring network 12 and the liquid return ring network 13 . The liquid supply circulation system 20 is used to directly supply liquid cooling medium to the unit liquid cooling circulation system 10 without the need for secondary heat exchange in the intermediate heat exchange module 30 .

[0070] The heat exchange module 30 is connected to the liquid supply ring network 12 and the liquid return ring network 13. After the liquid cooling medium exchanges heat in the heat exchange module 30, it continues to cool the liquid cooling unit 11. The heat exchange module 30 can be a CDU (full name in English: Cooling Distribution Units, Chinese abbreviation: Cooling Distribution Unit) module. The CDU module is a thermal management device based on liquid cooling technology. Its core task is to transfer the heat generated in the liquid cooling unit 11 to the liquid cooling medium, and then dissipate the heat of the cooling medium through the refrigeration cycle system. The CDU module can be a plate heat exchanger integrated with a heat exchange water pump. The liquid cooling medium of the liquid cooling primary circuit (the primary circuit generally refers to the outdoor heat exchange circuit) and the secondary circuit (the secondary circuit generally refers to the indoor heat exchange circuit) can exchange heat in the plate heat exchanger, so that the liquid cooling medium in the primary circuit can be used to take away the heat in the secondary circuit.

[0071] The cooling circulation system 40 forms a heat exchange connection with the unit liquid cooling circulation system 10 through the heat exchange module 30 to cool the liquid cooling medium in the unit liquid cooling circulation system 10 .

[0072] Thus, in the first working mode, the liquid supply circulation system 20 is turned on and the cooling circulation system 40 is turned off; in the second working mode, the liquid supply circulation system 20 is turned off and the cooling circulation system 40 is turned on. The first working mode refers to the working mode of the cooling device when the outdoor temperature is within the first preset temperature range, and the second working mode refers to the working mode of the cooling device when the outdoor temperature is within the second preset temperature range.

[0073] Specifically, when the outdoor temperature is within the first preset temperature range, liquid cooling medium is directly supplied to the unit liquid cooling circulation system 10 through the liquid supply circulation system 20. Specifically, the liquid cooling medium supplied by the liquid supply circulation system 20 enters the liquid cooling unit 11 through the liquid supply ring network 12, and flows back to the liquid supply circulation system 20 through the return liquid ring network 13 after heat exchange with the liquid cooling unit 11 to form a refrigeration cycle; when the outdoor temperature is within the second preset temperature range, the second preset temperature range is greater than the first preset temperature range. At this time, the liquid supply circulation system 20 cannot meet the refrigeration demand of the liquid cooling unit 11, and the liquid supply circulation system 20 is turned off and the cooling circulation system 40 is turned on. Since the cooling circulation system 40 forms a heat exchange connection with the unit liquid cooling circulation system 10 through the heat exchange module 30, the liquid cooling medium supplied by the cooling circulation system 40 and the liquid cooling medium in the unit liquid cooling circulation system 10 can undergo heat exchange in the heat exchange module 30 to cool the liquid cooling medium in the unit liquid cooling circulation system 10 to meet the refrigeration demand of the liquid cooling unit 11.

[0074] It should be noted that the first preset temperature range may not exceed 28 degrees Celsius, and the second preset temperature range may be greater than 28 degrees Celsius.

[0075] That is to say, when the outdoor temperature does not exceed 28 degrees Celsius, the liquid cooling medium is directly supplied to the unit liquid cooling circulation system 10 through the liquid supply circulation system 20, so as to meet the refrigeration demand of the liquid cooling unit 11. When the outdoor temperature is greater than 28 degrees Celsius, the liquid supply circulation system 20 cannot meet the refrigeration demand of the liquid cooling unit 11. At this time, the liquid supply circulation system 20 is turned off and the cooling circulation system 40 is turned on. The liquid cooling medium supplied by the cooling circulation system 40 and the liquid cooling medium in the unit liquid cooling circulation system 10 undergo heat exchange in the heat exchange module 30 to cool the liquid cooling medium in the unit liquid cooling circulation system 10, so as to meet the refrigeration demand of the liquid cooling unit 11.

[0076] Of course, according to actual needs, the second preset temperature range can be further divided into two working conditions: greater than 28 degrees Celsius and less than 38 degrees Celsius, and greater than 38 degrees Celsius.

[0077] The cooling device arranged in this way has the following beneficial effects: the present invention adopts at least two refrigeration cycle modes, specifically, the liquid supply circulation system 20 is used to meet the refrigeration demand of the liquid cooling unit 11 when the outdoor temperature is within the first preset temperature range, and the cooling circulation system 40 is used to meet the refrigeration demand of the liquid cooling unit 11 when the outdoor temperature is within the second preset temperature range. In this way, at least two refrigeration cycle modes are adopted, and the switching and free control of the multi-mode refrigeration circulation system are realized to meet the test requirements of the liquid cooling unit 11 under different working conditions, which solves the problem that the current cooling device mode is single and cannot realize the switching and free control of the multi-mode circulation system, resulting in the inability to meet the test requirements of the liquid-cooled server under different working conditions.

[0078] In some embodiments, the first working mode and the second working mode can be switched automatically by a controller. The controller is connected to the liquid supply circulation system 20 and the cooling circulation system 40, and can control the opening and closing of the liquid supply circulation system 20 and the cooling circulation system 40. In addition, the controller is also connected to a temperature sensor located outdoors. The outdoor temperature collected by the temperature sensor is received by the controller, and the controller determines whether the current outdoor temperature is within the first preset temperature range. If so, the liquid supply circulation system 20 is controlled to be turned on, and the cooling circulation system 40 is controlled to be turned off, that is, entering the first working mode; if the controller determines that the current outdoor temperature is within the second preset temperature range, the liquid supply circulation system 20 is turned off, and the cooling circulation system 40 is turned on, that is, entering the second working mode. In this way, the controller can be used to judge the outdoor temperature to execute the first working mode or the second working mode accordingly, simplifying manual operation.

[0079] Furthermore, the controller can also adjust the above-mentioned first preset temperature range and the second preset temperature range. The controller and a mobile device (such as a mobile phone) are communicated and connected, and the updated first preset temperature range and the second preset temperature range are sent to the controller through the mobile device. The controller can then realize the operation of the above-mentioned first working mode and the second working mode.

[0080] In addition, when the controller determines that the working mode to be executed currently is, it can also send a signal to the mobile device (such as a mobile phone). For example, when the controller determines that the working mode to be executed currently is the first working mode, the controller sends a pending confirmation signal to the mobile device to indicate whether the first working mode should be executed, such as sending information to the mobile device in the form of a pop-up box. Only after the mobile device replies to the pending confirmation signal (for example, clicking the confirmation button in the pop-up box) will the controller execute the first working mode. If the mobile device does not reply to the pending confirmation signal within a preset time (for example, within 30 minutes after the controller sends the pending confirmation signal), the controller should immediately re-determine the working mode to be executed currently, and re-send the pending confirmation signal to the mobile device based on the working mode to be executed currently determined this time. When the pending confirmation signal sent by the controller to the mobile device exceeds a preset number of times (for example, 3 times), the controller will no longer continue to determine the working mode to be executed, nor will it send a pending confirmation signal to the mobile device until the controller receives a wake-up signal (for example, triggered by a physical button or a re-working signal sent by the mobile device), and then the above-mentioned function of determining the working mode to be executed will be executed again.

[0081] In some embodiments, the liquid supply circulation system 20 includes a first refrigeration module 21, which is specifically a liquid-cooled integrated dry cooler module, specifically including a dry cooler, a dry cooling water pump and a control unit. The dry cooling water pump is arranged below the dry cooler, and the dry cooling water pump is used to provide liquid supply power. The control unit is connected to the dry cooler and the dry cooling water pump in communication, and the control unit is used to control the operation of the dry cooler and the dry cooling water pump, such as controlling the frequency conversion of the dry cooler fan, the frequency conversion of the dry cooling water pump, the start and stop of the fan and the dry cooling water pump, and the operation and fault monitoring.

[0082] Specifically, in the liquid-cooled integrated dry cooler module, the space below the liquid-cooled integrated dry cooler integrates a dry cooling water pump and a control unit. It is an integrated module. The connecting pipes and heat exchange coils of the dry cooler are made of stainless steel. The dry cooler is directly connected to the liquid supply ring network 12 and the return liquid ring network 13, and there is no need for secondary heat exchange in the intermediate heat exchange module 30.

[0083] As one of the external cold sources of the liquid cooling unit 11, the dry cooler works by passing liquid cooling medium (usually cooling water or ethylene glycol solution) in the tube and natural wind outside the tube to cool the liquid in the tube, thereby reducing the temperature of the liquid in the tube and achieving the purpose of cooling. The liquid cooling medium exchanges heat with the outdoor cold air through the dry cooler to obtain cold capacity, and then the dry cooling water pump sends the low-temperature liquid cooling medium to the surface cooler of the air conditioner to cool the indoor return air, and finally the fan sends the treated air to the indoor liquid cooling unit 11 for cooling and heat dissipation of the liquid cooling unit 11.

[0084] Please also read Figure 2The liquid supply circulation system 20 also includes a cooler water supply pipe 22 and a cooler return pipe 23. The two ends of the cooler water supply pipe 22 are respectively connected to the water supply port of the dry cooler and the liquid supply ring network 12, and the two ends of the cooler return pipe 23 are respectively connected to the return port of the dry cooler and the liquid return ring network 13.

[0085] In this way, under the power of the dry cooling water pump, the liquid cooling medium in the dry cooler can be directly supplied to the liquid cooling unit 11 through the cooler water supply pipe 22 and the liquid supply ring network 12. After heat exchange in the liquid cooling unit 11, the liquid cooling medium returns to the dry cooler through the return liquid ring network 13 and the cooler return water pipe 23, thereby forming a first mode of refrigeration cycle system.

[0086] In order to facilitate the control of opening and closing of the liquid supply circulation system 20, the cooler return pipe 23 is provided with a third valve 231, and the cooler supply pipe 22 is provided with a fourth valve 221. When the liquid supply circulation system 20 needs to be opened, only the third valve 231 and the fourth valve 221 need to be opened, and when the liquid supply circulation system 20 needs to be closed, only the third valve 231 and the fourth valve 221 need to be closed.

[0087] In some embodiments, the cooling circulation system 40 includes a cooling module 41 and a power module 42, wherein the cooling module 41 is used to cool the liquid cooling medium; the power module 42 is connected to the cooling module 41 and the heat exchange module 30, and the power module 42 is used to provide power so that the liquid cooling medium circulates between the cooling module 41 and the heat exchange module 30.

[0088] It is understandable that the cooling module 41 is only used to provide liquid cooling medium and does not have a power component. At this time, the cooling module 41 is linked with the power module 42, and the power module 42 provides circulating power for the liquid cooling medium in the cooling module 41.

[0089] The power module 42 integrates components such as a circulating water pump, a constant pressure tank, a water tank, and a control unit, achieving modularization and standardization, and taking up little space. The cooling module 41 is connected to the power module 42, and the power module 42 is connected to the heat exchange module 30, and the heat exchange module 30 is connected to the liquid supply ring network 12 and the liquid return ring network 13. The primary side circuit and the secondary side circuit are connected through the heat exchange module 30 to complete the intermediate heat exchange, and the heat generated in the liquid cooling unit 11 is dissipated through the cooling module 41.

[0090] In some embodiments, the cooling module 41 is a closed cooling tower. The closed cooling tower is one of the external cold sources of the liquid cooling unit 11. Its working principle is based on the heat exchange principle. The temperature of the cooling water is reduced by heat exchange between the cooling water and the air. Specifically, the hot water to be cooled flows into the tower from the outside, flows upward along the pipeline, and enters the inside of the coil. At the same time, the cooling water (spraying water) is evenly sprayed on the surface of the coil through the spray system to form a layer of water film. The fan guides the air to enter through the bottom of the tower and forms a countercurrent with the water film on the surface of the coil. In this way, the air temperature rises and the water temperature decreases. The cooled water flows out from the water outlet and returns to the liquid cooling unit 11 that needs to be cooled. Part of the water absorbs heat during the evaporation process, further reducing the temperature of the liquid cooling medium in the tube.

[0091] In some embodiments, the cooling circulation system 40 also includes a refrigeration module 43, which is connected to the heat exchange module 30. The refrigeration module 43 is used to cool the liquid cooling medium and to provide the liquid cooling medium so that the liquid cooling medium in the heat exchange module 30 can achieve heat exchange with the liquid cooling medium in the unit liquid cooling circulation system 10.

[0092] In this embodiment, the refrigeration module 43 is an air-cooled chiller. As one of the external cold sources of the liquid-cooled chiller 11, its working principle involves a refrigeration cycle and a heat exchange process. Specifically, the refrigeration cycle of the air-cooled chiller is composed of a compressor, a condenser, an expansion valve and an evaporator. First, the refrigerant (that is, the liquid cooling medium) is compressed into a high-temperature and high-pressure gas by a compressor, and then enters the condenser. In the condenser, the refrigerant contacts the external air, and through the process of heat dissipation and condensation, the refrigerant is cooled and converted into a high-pressure liquid. Next, the high-pressure liquid enters the evaporator through the expansion valve. At this time, the pressure drops sharply, causing the refrigerant to evaporate and absorb heat, thereby achieving a refrigeration effect. Finally, the refrigerant is sucked into the compressor again, and the cycle repeats.

[0093] The pipe connection relationship of the cooling circulation system 40 is described in detail below:

[0094] The cooling circulation system 40 further includes a cooling tower water supply pipe 44 , a cooling tower water return pipe 45 , a first common pipe 46 , a second common pipe 47 , a cooling machine water supply pipe 48 and a cooling machine water return pipe 49 .

[0095] Among them, the water supply port of the closed cooling tower is connected to one end of the cooling tower water supply pipe 44, the other end of the cooling tower water supply pipe 44 is connected to one end of the first common pipe 46, the other end of the first common pipe 46 is connected to the water inlet of the power module 42 and the water inlet of the heat exchange module 30 through the first water inlet pipe 421 and the second water inlet pipe 31 respectively, the return water port of the closed cooling tower is connected to one end of the cooling tower return water pipe 45, the other end of the cooling tower return water pipe 45 is connected to one end of the second common pipe 47, the other end of the second common pipe 47 is connected to the water outlet of the heat exchange module 30 through the second water outlet pipe 32, the water outlet of the power module 42 is connected to the second water inlet pipe 31 through the first water outlet pipe 422, the two ends of the chiller water supply pipe 48 are respectively connected to the water supply port of the air-cooled chiller and the first common pipe 46, and the two ends of the chiller return water pipe 49 are respectively connected to the return water port of the air-cooled chiller and the second common pipe 47.

[0096] Please also read Figure 3 and Figure 4 The cooling tower return pipe 45 is provided with a first valve 451, the cooling tower water supply pipe 44 is provided with a second valve 441, the cooling machine return pipe 49 is provided with a fifth valve 491, the cooling machine water supply pipe 48 is provided with a sixth valve 481, the first water inlet pipe 421 is provided with a seventh valve 4211, the second water outlet pipe 32 is provided with an eighth valve 321, the first water outlet pipe 422 is provided with a ninth valve 4221, and the second water inlet pipe 31 is provided with a tenth valve 311.

[0097] With such configuration, the present invention can adopt three different refrigeration cycle modes according to different outdoor working conditions. The specific control method is as follows:

[0098] When the outdoor temperature does not exceed 28 degrees Celsius, the integrated dry cooler is in operation, the closed cooling tower and the air-cooled chiller are not in operation, that is, the third valve 231 and the fourth valve 221 are open, the first valve 451, the second valve 441, the fifth valve 491, and the sixth valve 481 are all closed, and the heat exchange module 30 and the power module 42 are not in operation. In this way, the liquid cooling medium in the dry cooler can be directly supplied to the liquid cooling unit 11 through the cooler water supply pipe 22 and the liquid supply ring network 12. After heat exchange in the liquid cooling unit 11, the liquid cooling medium is returned to the dry cooler through the return liquid ring network 13 and the cooler return water pipe 23, thereby forming a first mode of refrigeration cycle system to take away the heat generated by the liquid cooling unit 11.

[0099] When the outdoor temperature is high (generally between 28 degrees Celsius and 38 degrees Celsius) and the dry cooler cannot meet the requirements, the closed cooling tower cycle is turned on. At this time, the dry cooler is turned off, the air-cooled chiller is turned off, the third valve 231, the fourth valve 221, the fifth valve 491, and the sixth valve 481 are all closed, the first valve 451 and the second valve 441 are opened, and the system is connected to the power module 42 through the cooling tower water supply pipe 44 and the cooling tower return pipe 45. At this time, the seventh valve 4211, the eighth valve 321 and the ninth valve 481 are all closed. Valve 4221 is opened and the tenth valve 311 is closed. At this time, the liquid cooling medium in the tower passes through the cooling tower water supply pipe 44, the first common pipe 46, and then enters the power module 42 through the first water inlet pipe 421. After passing through the water pump in the power module 42, it enters the second water inlet pipe 31 through the first water outlet pipe 422. After that, it exchanges heat with the liquid cooling medium in the unit liquid cooling circulation system 10 in the heat exchange module 30, enters the second common pipe 47 and the cooling tower return pipe 45 through the second water outlet pipe 32, and finally enters the cooling tower for heat exchange, and the cycle continues.

[0100] When the outdoor temperature is too high (greater than 38 degrees Celsius), the cooling tower and the dry cooler cannot meet the temperature requirements of the experiment or the experiment requires a low temperature condition, the dry cooler and the cooling tower are closed, and the air-cooled chiller is turned on. The air-cooled chiller is equipped with an integrated water pump. At this time, the first valve 451, the second valve 441, the third valve 231, and the fourth valve 221 are closed, the fifth valve 491 and the sixth valve 481 are opened, and the chiller water supply pipe 48 of the air-cooled chiller is connected to the first common pipe 46. At this time, the seventh valve 4211 and the ninth valve 4221 are closed, the eighth valve 321 and the tenth valve 311 are opened, and the liquid cooling medium enters the heat exchange module 30 through the first common pipe 46 and the second water inlet pipe 31. After heat exchange with the liquid cooling medium in the unit liquid cooling circulation system 10 in the heat exchange module 30, it returns to the air-cooled chiller through the second outlet pipe 32, the second common pipe 47, and the chiller return pipe 49, and the cycle continues.

[0101] In this way, three different refrigeration cycle modes can be used according to different outdoor working conditions to meet the temperature requirements of the cooling device test or the low temperature conditions required by the test.

[0102] In some embodiments, the liquid cooling unit 11 includes at least two first server cabinets 111 and at least two second server cabinets 112, wherein the first server cabinet 111 is a low-density server cabinet and the second server cabinet 112 is a high-density server cabinet, so that simultaneous online testing of high- and low-density servers can be achieved.

[0103] To facilitate modularization and integrated design, the unit liquid cooling circulation system 10 further includes a base 14, and the power module 42, the heat exchange module 30, at least two first server cabinets 111 and at least two second server cabinets 112 are sequentially arranged side by side on the base 14. This arrangement achieves modularization and standardization, and occupies a small space.

[0104] In some embodiments, any first server cabinet 111 is connected to the liquid supply ring network 12 and the liquid return ring network 13 through a first water supply pipe 1111 and a first water return pipe 1112 respectively, and any second server cabinet 112 is connected to the liquid supply ring network 12 through two second water supply pipes 1121, and any second server cabinet 112 is connected to the liquid return ring network 13 through two second water return pipes 1122.

[0105] Please also read Figure 5 As for the structure inside the server cabinet, in order to facilitate heat exchange of the servers inside the cabinet, a liquid distributor 1116 and a liquid collector 1117 are respectively arranged on both sides inside the server cabinet. The liquid distributor 1116 distributes the liquid cooling medium from the water supply pipe to each server. After heat exchange in the server, the liquid cooling medium flows back to the corresponding return pipe through the liquid collector 1117, thereby realizing a refrigeration cycle inside the cabinet.

[0106] Considering that high-density server cabinets have large heat dissipation and require high flow rates, while low-density server cabinets have small heat dissipation and require small flow rates, and the flow rate of liquid cooling entering the cabinet cannot be too high, otherwise it will cause vibration. Therefore, high-density server cabinets have double-inlet and double-outlet pipelines, and low-density server cabinets have single-inlet and single-outlet pipelines to ensure the stability of the operation of the unit's liquid cooling circulation system 10.

[0107] In order to facilitate the control of pipeline on and off, any first water supply pipe 1111, any first water return pipe 1112, any second water supply pipe 1121 and any second water return pipe 1122 are provided with a ball valve 15. At the same time, in order to facilitate the precise control of the liquid cooling medium in the unit liquid cooling circulation system 10, any first water return pipe 1112 and any second water return pipe 1122 are provided with an intelligent regulating valve 16, which can adjust the size of the set flow and balance flow in the corresponding water return pipe, thereby dynamically adjusting the flow according to the different required flows of the corresponding server cabinets to ensure the testing of the server.

[0108] In addition, butterfly valves 17 can also be set on the liquid supply ring network 12 and the liquid return ring network 13. Specifically, butterfly valves 17 are respectively set on both sides of the connection position between any first water supply pipe 1111 and the liquid supply ring network 12, butterfly valves 17 are respectively set on both sides of the connection position between any second water supply pipe 1121 and the liquid supply ring network 12, butterfly valves 17 are respectively set on both sides of the connection position between any first return water pipe 1112 and the liquid return ring network 13, and butterfly valves 17 are respectively set on both sides of the connection position between any second return water pipe 1122 and the liquid return ring network 13. This facilitates the control of the shutdown of the corresponding water supply pipe or return pipe.

[0109] In some embodiments, the cooling device also includes a detection module, a recording module and a control module, wherein the detection module is used to detect the temperature data inside the corresponding cabinet, the recording module is communicatively connected to the detection module and the control module, and the recording module is used to record the flow data and pressure data in the water supply pipes and return pipes outside the corresponding cabinet when the server inside the current cabinet is in a stable working state, and transmit it to the control module.

[0110] In this way, the recording module records the flow data and pressure data in the water supply pipes and return pipes outside the corresponding cabinet when the server inside the current cabinet is in a stable working state, so that the control module adjusts the opening of the intelligent regulating valve 16 on the water supply pipes and return pipes outside the corresponding cabinet according to the data recorded by the recording module, so as to reasonably and accurately distribute the liquid cooling medium flow to each cabinet. In this way, the flow can be dynamically allocated according to the flow demand of the liquid cooling medium of the servers in different cabinets to eliminate the heat dissipation risk.

[0111] The cooling device using the above-mentioned setting method supports precise flow regulation of server cabinets and simultaneous online testing of high- and low-density servers. It tests liquid-cooled servers by precisely controlling the flow, thus meeting the testing needs and dynamic tuning needs of liquid-cooled servers.

[0112] Please also read Figure 4 and Figure 6 A radiator 1115 (specifically a chilled water type rack-mounted radiator) is provided inside any first server cabinet 111 and any second server cabinet 112 . The unit liquid cooling circulation system 10 also includes a chiller 18 . The chiller 18 is connected to all the radiators 1115 . The chiller 18 is used to provide a cold source to all the radiators 1115 .

[0113] Furthermore, a cold channel 1113 and a hot channel 1114 are provided inside any first server cabinet 111 and any second server cabinet 112. The cold air is blown toward the cold channel 1113 through the fan of the radiator 1115. The cold air in the cold channel 1113 takes away the heat generated by the server in the corresponding first server cabinet 111 or second server cabinet 112, enters the hot channel 1114, and then returns to the air inlet side of the radiator 1115.

[0114] Please also read Figure 7 The unit liquid cooling circulation system 10 also includes a support frame 19, which is used to install the liquid supply ring network 12 and the liquid return ring network 13 so that the planes where the liquid supply ring network 12 and the liquid return ring network 13 are located are coplanar and arranged in the vertical direction.

[0115] Specifically, the support frame 19 includes two vertical beams 191 arranged in the vertical direction, and a first horizontal beam 192 is connected between the top ends of the two vertical beams 191. Both ends of the first horizontal beam 192 are provided with first fixing members 193, and the first fixing members 193 include a first bottom plate 1931, a first side plate 1932 and a first connecting plate 1933. The first connecting plate 1933 connects the first bottom plate 1931 and the first side plate 1932. The first bottom plate 1931 is fixed to the first horizontal beam 192, and the first side plate 1932 is provided with at least two first fixing holes 19321, and the at least two first fixing holes 19321 are used for fixed connection with the wall.

[0116] In order to facilitate strengthening the connection strength between the first cross beam 192 and the corresponding vertical beam 191 , the support frame 19 also includes two reinforcing ribs 194 , which are used to connect the first cross beam 192 and the corresponding vertical beam 191 to strengthen the connection strength between the first cross beam 192 and the corresponding vertical beam 191 .

[0117] To facilitate fixing the ring network, two second cross beams 195 are connected between the middle parts of the two vertical beams 191. The spacing between the two second cross beams 195 is larger than the vertical dimension of the liquid return ring network 13 and smaller than the vertical dimension of the liquid supply ring network 12. One of the second cross beams 195 is provided with at least two spaced-apart first clamp fixings 1951, each of which is used to connect to the liquid supply ring network 12 to fix the liquid supply ring network 12. The other second cross beam 195 is provided with at least two spaced-apart second clamp fixings 1952, each of which is used to connect to the liquid return ring network 13 to fix the liquid return ring network 13.

[0118] This arrangement can achieve support for the pipe group, reduce deformation during pipeline operation, and maintain the stability of the pipe group movement.

[0119] In addition, a second fixing member 196 is fixed to the bottom end of each of the two vertical beams 191. The second fixing member 196 is in a plate shape and is provided with at least two second fixing holes 1961. The at least two second fixing holes 1961 are used for fixing to the floor.

[0120] In addition, the support frame 19 also includes two inclined support rods 197, the two ends of the inclined support rods 197 are respectively connected to the corresponding second fixing members 196 and the vertical beam 191, and a third cross beam 198 is connected between the two inclined support rods 197. The inclined support rods 197 are used to prevent the support frame 19 from tilting forward to ensure the stability of the liquid supply ring network 12, the liquid return ring network 13 and each connecting pipeline.

[0121] The support frame 19 adopts the form of vertically arranging the secondary side water supply and return main pipelines, which not only saves space but also ensures the stability of the liquid supply ring network 12, the liquid return ring network 13 and the connecting pipelines.

[0122] In summary, the cooling device adopted in the present invention can support a multi-variable and multi-parameter test environment, meet the testing requirements and dynamic tuning requirements of liquid-cooled servers, and can verify the heat dissipation performance of the server under different cold sources and perform online variable flow tests on high and low-density server cabinets at the same time, solving the problem that the current cooling device mode is single and cannot meet the testing requirements of liquid-cooled servers under different working conditions.

[0123] It should be noted that, in this specification, relational terms such as first and second are merely used to distinguish one entity from other entities, but do not necessarily require or imply any actual relationship or order between these entities.

[0124] The cooling device provided by the present invention is introduced in detail above. Specific examples are used herein to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the scheme of the present invention and its core idea. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the present invention.

Claims

1. A cooling device, characterized in that: include: The unit liquid cooling circulation system comprises a liquid cooling unit, a liquid supply ring network and a liquid return ring network, and the liquid supply ring network and the liquid return ring network are both connected to the liquid cooling unit; A liquid supply circulation system, connected to the liquid supply ring network and the liquid return ring network, for supplying liquid cooling medium to the liquid cooling circulation system of the unit; A heat exchange module connected to the liquid supply ring network and the liquid return ring network; A cooling circulation system, wherein the cooling circulation system forms a heat exchange connection with the unit liquid cooling circulation system through the heat exchange module to cool the liquid cooling medium in the unit liquid cooling circulation system; Wherein, in the first working mode, the liquid supply circulation system is turned on and the cooling circulation system is turned off; in the second working mode, the liquid supply circulation system is turned off and the cooling circulation system is turned on.

2. The cooling device according to claim 1, characterized in that The cooling circulation system comprises: A cooling module is used to cool the liquid cooling medium; The power module is connected to the cooling module and the heat exchange module, and is used to provide power so that the liquid cooling medium circulates between the cooling module and the heat exchange module.

3. The cooling device according to claim 2, characterized in that: The cooling circulation system also includes a refrigeration module, which is connected to the heat exchange module. The refrigeration module is used to cool the liquid cooling medium and to enable the liquid cooling medium in the heat exchange module to achieve heat exchange with the liquid cooling medium in the unit's liquid cooling circulation system.

4. The cooling device according to claim 3, characterized in that The temperature reduction cooling module is a closed cooling tower, the refrigeration module is an air-cooled chiller, and the cooling circulation system further includes a cooling tower water supply pipe, a cooling tower return pipe, a first common pipe, a second common pipe, a chiller water supply pipe and a chiller return pipe; The water supply port of the closed cooling tower is connected to one end of the cooling tower water supply pipe, the other end of the cooling tower water supply pipe is connected to one end of the first common pipe, the other end of the first common pipe is respectively connected to the water inlet of the power module and the water inlet of the heat exchange module through the first water inlet pipe and the second water inlet pipe, the return water port of the closed cooling tower is connected to one end of the cooling tower return water pipe, the other end of the cooling tower return water pipe is connected to one end of the second common pipe, the other end of the second common pipe is connected to the water outlet of the heat exchange module through the second water outlet pipe, the water outlet of the power module is connected to the second water inlet pipe through the first water outlet pipe, the two ends of the chiller water supply pipe are respectively connected to the water supply port of the air-cooled chiller and the first common pipe, and the two ends of the chiller water return pipe are respectively connected to the return water port of the air-cooled chiller and the second common pipe; The cooling tower return pipe is provided with a first valve, the cooling tower water supply pipe is provided with a second valve, the cold machine return pipe is provided with a fifth valve, the cold machine water supply pipe is provided with a sixth valve, the first water inlet pipe is provided with a seventh valve, the second water outlet pipe is provided with an eighth valve, the first water outlet pipe is provided with a ninth valve, and the second water inlet pipe is provided with a tenth valve.

5. The cooling device according to claim 1, characterized in that: The liquid supply circulation system comprises: Dry cooler; A dry cooling water pump is arranged below the dry cooler and is used to provide liquid supply power; The control unit is connected to the dry cooler and the dry cooling water pump for controlling the operation of the dry cooler and the dry cooling water pump.

6. The cooling device according to claim 5, characterized in that: The liquid supply circulation system also includes a cooler water supply pipe and a cooler water return pipe, the two ends of the cooler water supply pipe are respectively connected to the water supply port of the dry cooler and the liquid supply ring network, and the two ends of the cooler water return pipe are respectively connected to the water return port of the dry cooler and the liquid return ring network; The cooler water return pipe is provided with a third valve, and the cooler water supply pipe is provided with a fourth valve.

7. The cooling device according to claim 2, characterized in that: The liquid cooling unit includes at least two first server cabinets and at least two second server cabinets; The unit liquid cooling circulation system also includes a base, and the power module, the heat exchange module, at least two of the first server cabinets and at least two of the second server cabinets are arranged side by side in sequence on the base.

8. The cooling device according to claim 7, characterized in that Any of the first server cabinets is connected to the liquid supply ring network and the liquid return ring network through a first water supply pipe and a first water return pipe respectively, any of the second server cabinets is connected to the liquid supply ring network through two second water supply pipes, and any of the second server cabinets is connected to the liquid return ring network through two second water return pipes; Any of the first water supply pipes, any of the first water return pipes, any of the second water supply pipes and any of the second water return pipes are provided with a ball valve; Any one of the first water return pipes and any one of the second water return pipes are provided with a regulating valve.

9. The cooling device according to claim 7, characterized in that: A radiator is provided inside any of the first server cabinets and any of the second server cabinets, and the unit liquid cooling circulation system further includes a water chiller, which is connected to all of the radiators and is used to provide a cold source for all of the radiators; A cold channel and a hot channel are provided inside any of the first server cabinets and any of the second server cabinets. Cold air is blown toward the cold channel by the fan of the radiator. The cold air in the cold channel takes away the heat generated by the server in the corresponding first server cabinet or the second server cabinet, enters the hot channel, and then returns to the air inlet side of the radiator.

10. The cooling device according to any one of claims 1 to 9, characterized in that: The unit liquid cooling circulation system further comprises a support frame, which is used to install the liquid supply ring network and the liquid return ring network, so that the planes where the liquid supply ring network and the liquid return ring network are located are coplanar and arranged in the vertical direction; The support frame includes two vertical beams arranged in the vertical direction; A first cross beam is connected between the top ends of the two vertical beams, and first fixing members are provided at both ends of the first cross beam, and the first fixing member includes a first bottom plate, a first side plate and a first connecting plate, and the first connecting plate connects the first bottom plate and the first side plate, and the first bottom plate is fixed to the first cross beam, and at least two first fixing holes are provided on the first side plate, and the at least two first fixing holes are used for fixed connection with the wall; The support frame further includes two reinforcing ribs, and the reinforcing ribs are used to connect the first cross beam and the corresponding vertical beam to strengthen the connection strength between the first cross beam and the corresponding vertical beam; Two second cross beams are connected between the middle parts of the two vertical beams, the spacing between the two second cross beams is larger than the size of the liquid return ring network in the vertical direction and smaller than the size of the liquid supply ring network in the vertical direction, one of the second cross beams is provided with at least two first clamp fixings distributed at intervals, each of the first clamp fixings is used to connect the liquid supply ring network to fix the liquid supply ring network, and the other second cross beam is provided with at least two second clamp fixings distributed at intervals, each of the second clamp fixings is used to connect the liquid return ring network to fix the liquid return ring network; A second fixing member is fixed to the bottom ends of the two vertical beams, the second fixing member is in a plate shape, and the second fixing member is provided with at least two second fixing holes, and the at least two second fixing holes are used for fixed connection with the floor; The support frame also includes two oblique support rods, both ends of which are respectively connected to the corresponding second fixing members and the vertical beams, and a third cross beam is connected between the two oblique support rods. The oblique support rods are used to prevent the support frame from tilting forward to ensure the stability of the liquid supply ring network and the liquid return ring network.

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