Liquid cooling source unit with double cooling modes

Abstract

The utility model relates to the technical field of liquid cooling sources, in particular to a liquid cooling source unit with double cold supply modes, which comprises a pumping component, a liquid supply pump component, a liquid supply pump component, a liquid supply pump component, a liquid supply pump component, a liquid supply pump component, a liquid supply pump component and a liquid supply pump component, the heat exchange module comprises a heat exchange tube plate and a heat exchange fan, the heat exchange tube plate internally comprises a cooling medium tube group and a refrigerant tube group, the refrigerant tube group is communicated with a plate heat exchanger on the heat exchange tube plate, and the plate heat exchanger and the cooling medium tube group are both communicated with a liquid feeding pipeline and a load end; and the liquid feeding pipeline is communicated and matched with the liquid feeding pump assembly and conveys the cooling medium, and the liquid feeding pipeline is selectively communicated to the cooling medium pipe group or the plate heat exchanger. Air cooling heat exchange is carried out through the cooling medium pipe set, liquid cooling heat exchange is carried out through the refrigerant pipe set, flexible switching can be carried out to meet the heat exchange cooling requirement of the terminal, meanwhile, the stability and reliability of the liquid cooling source unit are guaranteed, and pipeline damage and leakage caused by long-time continuous work are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid cooling sources, in particular to a liquid cooling source unit with dual cooling supply modes. Background Art

[0002] With the rapid development of electronic technology, electrical components such as chips are moving towards higher power consumption and smaller size. The increased integration of devices has led to a surge in heat flux density, which makes it difficult for traditional air cooling to meet high-power heat dissipation needs. Liquid cooling is becoming more and more widely used.

[0003] In a liquid cooling system, the liquid cooling source is responsible for delivering coolant that meets the requirements to the load-end electronic equipment. It is the "heart" of the liquid cooling system. Whether the temperature, pressure and flow of the coolant in the liquid cooling system are regulated in a timely and effective manner depends on whether the liquid cooling source product can adapt to complex and changeable load conditions. This puts higher demands on the design of high-reliability liquid cooling source products. In the face of extreme high and low temperature environments, the reasonable design of the refrigeration system, the optimization of the working mode and operation logic, and the reduction of the risk of leakage of the internal coolant and refrigerant are currently a major bottleneck restricting the promotion of liquid cooling technology to a wider range, and optimization is needed for improvement.

[0004] In order to solve the above problems, there is an urgent need for a liquid cooling source product that can operate stably under a variety of harsh environmental conditions. Therefore, it is necessary to propose a more reasonable technical solution to solve the technical problems existing in the prior art. Utility Model Content

[0005] In order to overcome at least one of the defects mentioned above, the utility model proposes a liquid cooling source unit with dual cooling modes, and provides a liquid cooling source unit that can work in air cooling mode and refrigeration mode. The unit can switch between the two working modes according to different ambient temperatures, while ensuring that both modes can provide the specified cooling capacity and achieving high-precision liquid supply temperature control.

[0006] In order to achieve the above purpose, the unit disclosed in the utility model can adopt the following technical solutions:

[0007] A liquid cooling source unit with dual cooling modes, comprising:

[0008] The pumping assembly includes a medium box for containing cooling medium, the medium box is connected to a liquid pump assembly and is used to pump the cooling medium in the medium box, and is also connected to a load end through a liquid return pipeline to allow the cooling medium to reflux;

[0009] The heat exchange module includes a heat exchange tube sheet and a heat exchange fan, and the heat exchange fan is used to take away the heat in the heat exchange tube sheet; the heat exchange tube sheet includes a cooling medium tube group and a refrigerant tube group, wherein the refrigerant tube group is connected to the plate heat exchanger on the heat exchange tube sheet, and the plate heat exchanger and the cooling medium tube group are both connected to the liquid delivery pipeline and the load end;

[0010] The liquid delivery pipeline is connected and cooperated with the liquid delivery pump assembly to transport the cooling medium, and the liquid delivery pipeline is selectively connected to the cooling medium pipe group or the plate heat exchanger.

[0011] The liquid cooling source unit disclosed above provides air cooling heat exchange through the cooling medium pipe group of the heat exchange module or liquid cooling heat exchange through a plate heat exchanger, which can meet the heat exchange requirements under different conditions, ensure the heat exchange and cooling capabilities under different conditions, and thus ensure the stability and reliability of the overall liquid cooling source unit.

[0012] Furthermore, in the present invention, one heat exchange module cooperates with the pumping assembly to meet the heat dissipation demand of the load end. In order to improve the heat dissipation efficiency and make full use of the supply capacity of the pumping assembly, optimization is made here and a feasible option is proposed as follows: the number of heat exchange modules is several and each cooperates with the pumping assembly. When such a solution is adopted, the number of heat exchange modules can be set to two and arranged symmetrically, so that the overall structure can be fixedly installed and integrated into an integrated station structure.

[0013] Furthermore, the structure of the heat exchange tube sheet can be constructed in a variety of forms, which are not limited to a single one. Here, an optimization is made and one of the feasible options is proposed: the heat exchange tube sheet includes fins and flat tubes for airflow to pass through, and the heat exchange fan cooperates with the fins and flat tubes and attracts airflow through the fins and flat tubes to cool the cooling medium tube group and the refrigerant tube group. When such a solution is adopted, the fins are integrated bent fins, the flat tubes are microporous tubes, and multiple heat exchange fans can be set. The air inlet end of the heat exchange fan faces the heat exchange tube sheet and is used to absorb the air carrying heat from the heat exchange tube sheet.

[0014] Furthermore, the structure of the refrigerant tube group can be constructed in a variety of forms, which are not limited to the only one. Here, an optimization is made and one of the feasible options is proposed: the refrigerant tube group includes a refrigeration tube group located in the heat exchange tube plate, and the refrigeration tube group is connected with the plate heat exchanger to form a refrigeration cycle pipeline. The refrigeration cycle pipeline is also connected to a compressor, and the compressor is used to compress the low-pressure gaseous refrigerant from the plate heat exchanger and transport the high-pressure and high-temperature gaseous refrigerant to the refrigeration tube group for heat exchange. After the heat exchange, the medium-pressure and low-temperature liquid refrigerant is converted into a low-pressure and low-temperature liquid refrigerant after passing through the expansion valve and circulated to the plate heat exchanger. When such a scheme is adopted, the low-pressure and low-temperature liquid refrigerant enters the plate heat exchanger to absorb heat and becomes a low-pressure gaseous refrigerant and undergoes a process of heating, and then enters the compressor, the refrigerant tube group, and the plate heat exchanger in turn to form a cycle; the refrigeration tube group can use a condenser, and the condenser is used to achieve heat exchange, and the temperature of the refrigerant is reduced for subsequent circulation.

[0015] Furthermore, in order to promote the heat exchange efficiency of the plate heat exchanger and ensure the stability and reliability of the heat exchange process, the heat exchange pipeline connected to the plate heat exchanger can be optimized. Here, the optimization is carried out and a feasible option is proposed as follows: the plate heat exchanger is connected to the compressor through an air intake pipe, the compressor is connected to the refrigeration pipe group through an exhaust pipe, and the refrigeration pipe group is connected to the plate heat exchanger through a liquid pipe. When such a solution is adopted, the air intake pipe and the liquid pipe can be made of hard pipes, and the exhaust pipe can be made of flexible pipes, and the exhaust pipe can be wrapped with a protective layer.

[0016] Furthermore, the refrigerant tube group can be constructed in a variety of forms, which are not limited to the only one. Here, an optimization is made and one of the feasible options is proposed: the refrigerant tube group includes a refrigerant inlet header arranged on one side of the heat exchange tube plate and a refrigerant outflow header located on the other side of the heat exchange tube plate. The refrigerant tube group connects the refrigerant inlet header and the refrigerant outflow header and is connected to the plate heat exchanger to form a refrigeration cycle pipeline. When such a solution is adopted, the refrigerant inlet header and the refrigerant outflow header are both made of hard tubes and are arranged to extend in the height direction.

[0017] Furthermore, the connecting structure of the cooling medium tube group can be constructed in various forms, which are not limited to the only one. Here, an optimization is made and one of the feasible options is proposed: the cooling medium tube group includes a medium inlet manifold arranged on one side of the heat exchange tube plate and a medium outlet manifold arranged on the other side of the heat exchange tube plate. The cooling medium tube group is connected to the liquid delivery pipeline and the load end through the medium inlet manifold and the medium outlet manifold. When such a solution is adopted, the cooling medium tube group can be reciprocated in the heat exchange tube plate to increase the flow path of the cooling medium, thereby enhancing the heat exchange effect.

[0018] Furthermore, the medium box is used to hold the cooling medium, but the working state of the cooling medium will be affected in some extremely cold environments. Therefore, the structure of the medium box is optimized and the following feasible option is proposed: a heater is provided on the medium box to heat the cooling medium inside. When such a solution is adopted, the heater can be an electric heater, and the number can be set to multiple, and auxiliary heating is performed from the top or side of the medium box, and the liquid delivery pump assembly is started after the cooling medium reaches a suitable working temperature.

[0019] Furthermore, the liquid delivery pipeline delivers the cooling medium to the cooling medium pipe group or the refrigerant pipe group, so the structure of the liquid delivery pipeline assembly can be constructed in various forms. Here, optimization is performed and one feasible option is proposed: the liquid delivery pipeline includes a first pipeline connected to the cooling medium pipe group and a second pipeline connected to the plate heat exchanger. A first control valve is provided on the first pipeline, and a second control valve is provided on the second pipeline. The first control valve and the second control valve are both controlled by the controller. When such a solution is adopted, the first control valve and the second control valve can be electromagnetic valves.

[0020] Furthermore, during the circulation process, the cooling medium may be mixed with impurities, which may affect the purity and damage the circulation pipeline. In order to improve the cleanliness of the cooling medium, an optimization is made here and one of the feasible options is proposed: a filter component is provided on the liquid delivery pipeline. When such a solution is adopted, the filter component may be a pipeline filter.

[0021] Compared with the prior art, some beneficial effects of the technical solution disclosed in the utility model include:

[0022] The utility model performs air cooling heat exchange through a cooling medium pipe group and liquid cooling heat exchange through a plate heat exchanger. It can be flexibly switched and adjusted under different environmental conditions to meet the heat exchange and cooling needs of the terminal, while ensuring the stability and reliability of the liquid cooling source unit itself. Since the working mode can be switched, problems such as pipeline damage and leakage under long-term continuous operation can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 Schematic diagram of the overall structure of the pumping assembly.

[0025] Figure 2It is a schematic diagram of the structure of the pumping component, the liquid delivery pipeline and the heat exchange tube sheet.

[0026] Figure 3 It is a schematic diagram of the internal connection between the pumping component, the liquid delivery pipeline and the heat exchange tube plate.

[0027] Figure 4 This is a schematic diagram of the structure of components involved in air-cooled heat exchange.

[0028] Figure 5 This is a schematic diagram from another perspective of the components involved in air cooling heat exchange.

[0029] Figure 6 It is a schematic diagram of the structure in which the pumping assembly is connected to the plate heat exchanger.

[0030] Figure 7 This is a schematic diagram of the structure of components involved in liquid cooling heat exchange.

[0031] Figure 8 This is a schematic diagram from another perspective of the components involved in liquid cooling heat exchange.

[0032] Fig. 9 A schematic diagram of the structure of the installation frame.

[0033] Fig.10 It is a structural diagram of the power supply and control unit.

[0034] In the above drawings, the meanings of the various reference numerals are as follows:

[0035] 1. Installation frame; 7. Power supply and control unit; 9. Liquid delivery pump assembly; 10. Heat exchange fan; 13. Plate heat exchanger; 14. Compressor; 17. Filter assembly; 18. Medium box; 21. Heater; 111. Cooling medium pipe group; 112. Refrigerant pipe group; 151. Liquid return port; 152. Liquid return pipeline; 153. Liquid outlet pipeline; 154. Liquid delivery port; 155. Liquid delivery pipeline; 161. Intake pipe; 162. Exhaust pipe; 163. Liquid pipe; 191. First control valve; 192. Second control valve. DETAILED DESCRIPTION

[0036] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments.

[0037] In view of the single working mode of the liquid cooling station in the prior art, the inflexible use, the poor reliability of the pipeline structure during operation, and the proneness to pipeline leakage, the following embodiments optimize and solve the defects in the prior art.

[0038] Example

[0039] This embodiment provides a liquid cooling source unit with dual cooling modes, aiming to improve the adaptability of the liquid cooling source unit to the environment and the stability and reliability of use.

[0040] like Figure 1 , Figure 2 and Figure 3 As shown, as the liquid cooling source unit provided in this embodiment, one of its structures includes:

[0041] The pumping assembly includes a medium box 18 for containing cooling medium. The medium box 18 is connected to a liquid pump assembly 9 and is used to pump the cooling medium in the medium box 18. The medium box 18 is also connected to the load end through a liquid return line 152 to allow the cooling medium to reflux.

[0042] Preferably, the medium box 18 is connected to the liquid delivery pump assembly 9 via a liquid outlet pipeline 153 .

[0043] Preferably, the medium box 18 is used to hold the cooling medium, but the working state of the cooling medium will be affected in some extremely cold environments, so the structure of the medium box 18 is optimized and the following feasible option is adopted: a heater 21 is provided on the medium box 18 and is used to heat the cooling medium inside. When such a solution is adopted, the heater 21 can be an electric heater 21, and the number can be set to multiple, and auxiliary heating is performed from the top or side of the medium box 18, and the liquid delivery pump assembly 9 is started after the cooling medium reaches a suitable working temperature.

[0044] Preferably, in this embodiment, a liquid return port 151 is provided on the liquid return pipeline 152, and the liquid return port 151 can adopt a flange structure for pipeline communication and transportation.

[0045] like Figures 4 to 8 As shown, as the liquid cooling source unit provided in this embodiment, its second structure includes:

[0046] The heat exchange module includes a heat exchange tube plate and a heat exchange fan 10, and the heat exchange fan 10 is used to take away the heat in the heat exchange tube plate; the heat exchange tube plate includes a cooling medium tube group 111 and a refrigerant tube group 112, wherein the refrigerant tube group 112 is connected to the plate heat exchanger 13 on the heat exchange tube plate, and the plate heat exchanger 13 and the cooling medium tube group 111 are both connected to the liquid delivery pipeline 155 and the load end.

[0047] Preferably, the liquid delivery pipeline 155 is provided with a liquid delivery port 154, and the liquid delivery port 154 can adopt a flange structure to connect the pipeline and deliver the cooling medium.

[0048] In this embodiment, one heat exchange module cooperates with the pumping assembly to meet the heat dissipation demand of the load end. In order to improve the efficiency of heat dissipation and make full use of the supply capacity of the pumping assembly, this embodiment is optimized and adopts the following feasible option: the number of the heat exchange modules is several and each cooperates with the pumping assembly. When such a solution is adopted, the number of the heat exchange modules can be set to two and arranged symmetrically, so that the overall structure can be fixedly installed and integrated into an integrated station structure.

[0049] The structure of the heat exchange tube sheet can be constructed in various forms, which are not limited to the only one. This embodiment is optimized and adopts one of the feasible options: the heat exchange tube sheet includes fins and flat tubes for airflow to pass through, and the heat exchange fan 10 cooperates with the fins and flat tubes and attracts airflow to pass through the two to cool the cooling medium tube group 111 and the refrigerant tube group 112. When such a solution is adopted, the fins can be integrally bent fins, and the flat tubes can be microporous tubes. Multiple heat exchange fans 10 can be provided, and the air inlet end of the heat exchange fan 10 faces the heat exchange tube sheet and is used to absorb air carrying heat from the heat exchange tube sheet.

[0050] The structure of the refrigerant tube group 112 can be constructed in a variety of forms, which are not limited to the only one. This embodiment is optimized and adopts one of the feasible options: the refrigerant tube group 112 includes a refrigeration tube group located in the heat exchange tube plate, and the refrigeration tube group is connected with the plate heat exchanger 13 to form a refrigeration cycle pipeline. The refrigeration cycle pipeline is also connected to a compressor 14, and the compressor 14 is used to compress the gaseous refrigerant from the plate heat exchanger 13 and transport high-pressure and high-temperature gaseous refrigerant to the refrigeration tube group for heat exchange. After the heat exchange, the medium-pressure and low-temperature liquid refrigerant is converted into a low-pressure and low-temperature liquid refrigerant after passing through the expansion valve and is circulated to the plate heat exchanger 13. When such a solution is adopted, the refrigeration tube group can use a condenser, and the condenser is used to achieve heat exchange, and the temperature of the refrigerant is reduced for subsequent circulation.

[0051] In order to improve the heat exchange efficiency of the plate heat exchanger 13 and ensure the stability and reliability of the heat exchange process, the heat exchange pipeline connected to the plate heat exchanger 13 can be optimized. This embodiment optimizes and adopts the following feasible option: the plate heat exchanger 13 is connected to the compressor 14 through the suction pipe 161, the compressor 14 is connected to the refrigeration pipe group through the exhaust pipe 162, and the refrigeration pipe group is connected to the plate heat exchanger 13 through the liquid pipe 163. When such a solution is adopted, the suction pipe 161 and the liquid pipe 163 can be hard pipes, and the exhaust pipe 162 can be a flexible pipe, and the exhaust pipe 162 is wrapped with a protective layer.

[0052] The refrigerant tube group 112 can be constructed in a variety of forms, which are not limited to the only one. This embodiment is optimized and adopts one of the feasible options: the refrigerant tube group 112 includes a refrigerant inlet header disposed on one side of the heat exchange tube plate and a refrigerant outflow header located on the other side of the heat exchange tube plate. The refrigerant tube group connects the refrigerant inlet header and the refrigerant outflow header and is connected to the plate heat exchanger 13 to form a refrigeration cycle pipeline. When such a solution is adopted, the refrigerant inlet header and the refrigerant outflow header are both hard tubes and are arranged to extend in the height direction.

[0053] The connecting structure of the cooling medium tube group 111 can be constructed in various forms, which are not limited to the only one. This embodiment is optimized and adopts one of the feasible options: the cooling medium tube group 111 includes a medium liquid inlet manifold arranged on one side of the heat exchange tube plate and a medium liquid outlet manifold arranged on the other side of the heat exchange tube plate. The cooling medium tube group 111 is connected to the liquid delivery pipeline 155 and the load end through the medium liquid inlet manifold and the medium liquid outlet manifold. When such a solution is adopted, the cooling medium tube group 111 can be reciprocated in the heat exchange tube plate to increase the flow path of the cooling medium, thereby enhancing the heat exchange effect.

[0054] like Figures 1 to 8 As shown, the liquid cooling source unit provided in this embodiment includes the following structure:

[0055] The liquid delivery pipeline 155 is connected and cooperated with the liquid delivery pump assembly 9 to deliver the cooling medium, and the liquid delivery pipeline 155 is selectively connected to the cooling medium pipe group 111 or the plate heat exchanger 13.

[0056] The liquid delivery pipeline 155 delivers the cooling medium to the cooling medium pipe group 111 or the refrigerant pipe group 112, so the structure of the liquid delivery pipeline 155 assembly can be constructed in various forms. This embodiment is optimized and adopts one of the feasible options: the liquid delivery pipeline 155 includes a first pipeline connected to the cooling medium pipe group 111 and a second pipeline connected to the plate heat exchanger 13. The first pipeline is provided with a first control valve 191, and the second pipeline is provided with a second control valve 192. The first control valve 191 and the second control valve 192 are both controlled by the controller. When such a solution is adopted, the first control valve 191 and the second control valve 192 can be electromagnetic valves.

[0057] During the circulation process, the cooling medium may be mixed with impurities, which may affect the purity and damage the circulation pipeline. In order to improve the cleanliness of the cooling medium, this embodiment is optimized and adopts one of the feasible options: a filter assembly 17 is provided on the liquid delivery pipeline 155. When such a solution is adopted, the filter assembly 17 can be a pipeline filter.

[0058] The liquid cooling source unit disclosed in this embodiment provides air cooling heat exchange through the cooling medium pipe group 111 of the heat exchange module or provides liquid cooling heat exchange through the plate heat exchanger 13, which can meet the heat exchange requirements under different conditions, and can ensure the heat exchange and cooling capabilities under different conditions, thereby ensuring the stability and reliability of the overall liquid cooling source unit.

[0059] In this embodiment, a mounting frame 1 and a power supply and control unit are disclosed, such as Fig. 9 , Fig.10 As shown, the installation frame 1 forms an installation cavity, which provides installation and support space for all devices and components. The power distribution and control unit 7 provides stable and reliable power supply for all electrical devices, and provides functions such as data display, parameter setting, and control operation.

[0060] The above are the implementation methods listed in this embodiment, but this embodiment is not limited to the above optional implementation methods. Those skilled in the art can arbitrarily combine the above methods to obtain other various implementation methods. Anyone can derive other various implementation methods under the inspiration of this embodiment. The above specific implementation methods should not be understood as limiting the protection scope of this embodiment. The protection scope of this embodiment should be based on the definition in the claims.

Claims

1. A liquid cooling source unit with dual cooling modes, It is characterized in that include: The pumping assembly comprises a medium box (18) for containing a cooling medium. The medium box (18) is connected to a liquid delivery pump assembly (9) and is used to pump the cooling medium in the medium box (18). The medium box (18) is also connected to a load end through a liquid return line (152) to allow the cooling medium to flow back. A heat exchange module comprises a heat exchange tube sheet and a heat exchange fan (10), wherein the heat exchange fan (10) is used to remove heat from the heat exchange tube sheet; the heat exchange tube sheet comprises a cooling medium tube group (111) and a refrigerant tube group (112), wherein the refrigerant tube group (112) is connected to a plate heat exchanger (13) on the heat exchange tube sheet, and the plate heat exchanger (13) and the cooling medium tube group (111) are both connected to a liquid delivery pipeline (155) and a load end; The liquid delivery pipeline (155) is connected to and cooperates with the liquid delivery pump assembly (9) to deliver cooling medium, and the liquid delivery pipeline (155) is selectively connected to the cooling medium pipe group (111) or the plate heat exchanger (13).

2. The liquid cooling source unit with dual cooling modes according to claim 1, Features: There are several heat exchange modules, which are respectively matched with the pumping components.

3. The liquid cooling source unit with dual cooling modes according to claim 1 or 2, Features: The heat exchange tube plate comprises fins and flat tubes for air flow to pass through, and the heat exchange fan (10) cooperates with the fins and flat tubes and attracts air flow to pass through the two to cool the cooling medium tube group (111) and the refrigerant tube group (112).

4. The liquid cooling source unit with dual cooling modes according to claim 1, Features: The refrigerant pipe group (112) includes a refrigeration pipe group located in the heat exchange tube plate, and the refrigeration pipe group is connected with the plate heat exchanger (13) to form a refrigeration circulation pipeline. The refrigeration circulation pipeline is also connected to a compressor (14), and the compressor (14) is used to compress the low-pressure gaseous refrigerant from the plate heat exchanger (13) and transport the high-pressure and high-temperature gaseous refrigerant to the refrigeration pipe group for heat exchange. After the heat exchange, the medium-pressure and low-temperature liquid refrigerant is converted into a low-pressure and low-temperature liquid refrigerant after passing through an expansion valve and is circulated and transported to the plate heat exchanger (13).

5. The liquid cooling source unit with dual cooling modes according to claim 4, Features: The plate heat exchanger (13) is connected to the compressor (14) via an air intake pipe (161), the compressor (14) is connected to the refrigeration pipe group via an exhaust pipe (162), and the refrigeration pipe group is connected to the plate heat exchanger (13) via a liquid pipe (163).

6. The liquid cooling source unit with dual cooling mode according to claim 4 or 5, Features: The refrigerant tube group (112) includes a refrigerant inlet header arranged on one side of the heat exchange tube plate and a refrigerant outlet header located on the other side of the heat exchange tube plate. The refrigerant tube group connects the refrigerant inlet header and the refrigerant outlet header and is connected to the plate heat exchanger (13) to form a refrigeration cycle pipeline.

7. The liquid cooling source unit with dual cooling modes according to claim 1, Features: The cooling medium tube group (111) comprises a medium liquid inlet header arranged on one side of the heat exchange tube plate and a medium liquid outlet header arranged on the other side of the heat exchange tube plate. The cooling medium tube group (111) is connected to the liquid delivery pipeline (155) and the load end through the medium liquid inlet header and the medium liquid outlet header.

8. The liquid cooling source unit with dual cooling modes according to claim 1, Features: The medium box (18) is provided with a heater (21) for heating the cooling medium inside.

9. The liquid cooling source unit with dual cooling modes according to claim 1, Features: The liquid delivery pipeline (155) comprises a first pipeline connected to the cooling medium pipeline group (111) and a second pipeline connected to the plate heat exchanger (13); a first control valve (191) is arranged on the first pipeline, and a second control valve (192) is arranged on the second pipeline; the first control valve (191) and the second control valve (192) are both controlled to be on and off by a controller.

10. The liquid cooling source unit with dual cooling modes according to claim 1, 7 or 9, Features: The liquid delivery pipeline (155) is provided with a filter assembly (17).

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