CN111212553A - Multi-temperature-zone liquid cooling system - Google Patents

Multi-temperature-zone liquid cooling system Download PDF

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Publication number
CN111212553A
CN111212553A CN202010116049.9A CN202010116049A CN111212553A CN 111212553 A CN111212553 A CN 111212553A CN 202010116049 A CN202010116049 A CN 202010116049A CN 111212553 A CN111212553 A CN 111212553A
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CN
China
Prior art keywords
heat exchanger
plate heat
liquid
stop valve
valve
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Pending
Application number
CN202010116049.9A
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Chinese (zh)
Inventor
孙新东
赵贝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Swan Refrigeration Technology Co Ltd
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Hefei Swan Refrigeration Technology Co Ltd
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Application filed by Hefei Swan Refrigeration Technology Co Ltd filed Critical Hefei Swan Refrigeration Technology Co Ltd
Priority to CN202010116049.9A priority Critical patent/CN111212553A/en
Publication of CN111212553A publication Critical patent/CN111212553A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20254Cold plates transferring heat from heat source to coolant
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20263Heat dissipaters releasing heat from coolant
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20272Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20281Thermal management, e.g. liquid flow control
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

The invention relates to the technical field of cooling and heat dissipation, and discloses a multi-temperature-zone cooling liquid system, which adopts the following technical scheme in order to achieve the purpose: the multi-temperature-zone cold liquid system comprises a steam compression circulating system and a cooling liquid circulating system, wherein the steam compression circulating system comprises a compressor, an air-cooled heat exchanger, a liquid storage device, a first plate heat exchanger, a second plate heat exchanger, a third plate heat exchanger and a gas-liquid separator which are sequentially communicated, and the first plate heat exchanger, the second plate heat exchanger and the third plate heat exchanger are arranged side by side and are communicated with the liquid storage device and the gas-liquid separator through pipelines. The invention can be used for maintaining and ensuring different types of devices to work in different temperature areas, improves the working efficiency of different devices, effectively avoids the use limitation that the conventional liquid cooling system can only supply cold liquid with single temperature, and enlarges the application range of the liquid cooling equipment.

Description

Multi-temperature-zone liquid cooling system
Technical Field
The invention relates to the technical field of cooling and heat dissipation, in particular to a multi-temperature-zone cooling liquid system.
Background
The development of electronic technology makes the integration level of devices higher and higher, and it is important to ensure that the devices are maintained at a proper working temperature, and accordingly, various liquid cooling devices are put into use in succession to ensure that the devices in a high heat flow density area can be cooled in time.
Because of the difference of device kind, in order to exert the efficiency of device, its temperature interval of work is different to require the coolant liquid of different temperatures, present conventional cold night system only can supply single temperature cold night to use, and the restriction is great, has influenced liquid cooling equipment's application range.
Disclosure of Invention
The invention aims to solve the problems that a conventional cold night system in the prior art can only be used for a cold night with a single temperature, has high limitation and influences the application range of liquid cooling equipment, and provides a multi-temperature-zone cold liquid system.
In order to achieve the purpose, the invention adopts the following technical scheme:
the multi-temperature-zone cold liquid system comprises a vapor compression circulating system and a cooling liquid circulating system, wherein the vapor compression circulating system comprises a compressor, an air-cooled heat exchanger, a liquid storage device, a first plate heat exchanger, a second plate heat exchanger, a third plate heat exchanger and a gas-liquid separator which are sequentially communicated, the first plate heat exchanger, the second plate heat exchanger and the third plate heat exchanger are arranged side by side and are communicated with the liquid reservoir and the gas-liquid separator through pipelines, the first plate heat exchanger, the second plate heat exchanger and the third plate heat exchanger are respectively provided with a first expansion valve, a second expansion valve and a third expansion valve on pipelines respectively communicated with the liquid storage device, a first refrigerator ball valve, a second refrigerant ball valve and a third refrigerant ball valve are respectively arranged on pipelines of the first plate heat exchanger, the second plate heat exchanger and the third plate heat exchanger which are respectively communicated with the gas-liquid separator;
the cooling liquid circulating system comprises a first plate heat exchanger, a second plate heat exchanger, a third plate heat exchanger and a solution tank, wherein an electric heater is arranged in the solution tank, liquid outlets of the first plate heat exchanger, the second plate heat exchanger and the third plate heat exchanger are communicated with the solution tank through pipelines, a solution pump is arranged on the pipelines, a liquid discharge port of the solution tank is communicated with a liquid discharge pipe, a first stop valve is arranged on the liquid discharge pipe, a tank wall of the solution tank is further communicated with three liquid return pipes through pipeline branches, a second stop valve, a third stop valve and a fourth stop valve are arranged on the liquid return pipes respectively, and liquid inlets of the first plate heat exchanger, the second plate heat exchanger and the third plate heat exchanger are communicated with liquid supply pipes and are provided with a fifth stop valve, a sixth stop valve and a seventh stop valve respectively.
Preferably, the air-cooled heat exchanger consists of a condenser and a hot air blower.
Preferably, the compressor, the air-cooled heat exchanger, the liquid reservoir, the first plate heat exchanger, the second plate heat exchanger, the third plate heat exchanger, the gas-liquid separator, the first expansion valve, the second expansion valve, the third expansion valve, the first refrigerator ball valve, the second refrigerant ball valve and the third refrigerant ball valve are connected through copper pipes in a brazing welding mode.
Preferably, the first plate heat exchanger, the second plate heat exchanger, the third plate heat exchanger, the solution tank, the electric heater, the solution pump, the first stop valve, the second stop valve, the third stop valve, the fourth stop valve, the fifth stop valve, the sixth stop valve and the seventh stop valve are connected through stainless steel pipelines, and the connection mode is threaded or flange connection.
Preferably, the liquid discharge port and the liquid injection port are connected to the solution tank.
Compared with the prior art, the invention provides a multi-temperature-zone liquid cooling system, which has the following beneficial effects:
1. the multi-temperature-zone cold liquid system comprises an air-cooled heat exchanger, wherein the air-cooled heat exchanger consists of a condenser and a heat exchange fan, the air is used as a heat sink to cool and condense a refrigerator flowing inside, a first expansion valve, a second expansion valve and a third expansion valve which are connected with the tail end of a liquid storage device control the refrigerator to throttle and then respectively enter a first plate heat exchanger, a second plate heat exchanger and a third plate heat exchanger for cooling the cooling liquid flowing inside, the arrangement of a first refrigerant ball valve, a second refrigerant ball valve and a third refrigerant ball valve can adjust the flow of the refrigerant entering the first plate heat exchanger, the second plate heat exchanger and the third plate heat exchanger, thereby controlling the refrigerating capacity of each channel, controlling the temperature of the cooling liquid of the plate heat exchangers, adjusting the temperature of each channel of the cooling liquid, realizing the liquid supply of a multi-temperature zone of the cooling liquid, and connecting a liquid discharge port and a liquid, the electric heater heating section is immersed in the cooling liquid and used for heating the cooling liquid in the initial state in the solution tank, the solution pump sucks the cooling liquid from the solution tank, then the cooling liquid is divided into three paths to enter the first plate type heat exchanger, the second plate type heat exchanger and the third plate type heat exchanger, then the cooling liquid flows through the refrigerant in the heat exchangers to be cooled, the stop valve is used for controlling the flow and the pressure of each path in the liquid supply port and the liquid return port, the stop valve can be used for maintaining and ensuring different types of devices to work in different temperature areas, the working efficiency of different devices is improved, the use limitation that a conventional cooling liquid system can only supply cooling liquid with single temperature is effectively avoided, and the application range of the liquid cooling equipment is expanded.
The invention can be used for maintaining and ensuring different devices to work in different temperature areas, improves the working efficiency of different devices, effectively avoids the use limit that a conventional liquid cooling system can only supply cold liquid with single temperature, and enlarges the application range of the liquid cooling equipment.
Drawings
Fig. 1 is a schematic structural diagram of a multi-temperature-zone cooling liquid system provided by the invention.
In the figure: the system comprises a compressor 1, an air-cooled heat exchanger 2, a liquid reservoir 3, a first expansion valve 4, a second expansion valve 5, a third expansion valve 6, a first plate heat exchanger 7, a second plate heat exchanger 8, a third plate heat exchanger 9, a first refrigerator ball valve 10, a second refrigerant ball valve 11, a third refrigerant ball valve 12, a gas-liquid separator 13, a solution tank 14, an electric heater 15, a solution pump 16, a first stop valve 17, a second stop valve 18, a third stop valve 19, a fourth stop valve 20, a fifth stop valve 21, a sixth stop valve 22 and a seventh stop valve 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the multi-temperature-zone cooling liquid system comprises a vapor compression circulation system and a cooling liquid circulation system, wherein the vapor compression circulation system comprises a compressor 1, an air-cooled heat exchanger 2, a liquid storage device 3, a first plate heat exchanger 7, a second plate heat exchanger 8, a third plate heat exchanger 9 and a gas-liquid separator 13 which are sequentially communicated, the first plate heat exchanger 7, the second plate heat exchanger 8 and the third plate heat exchanger 9 are arranged side by side and are respectively communicated with the liquid storage device 3 and the gas-liquid separator 13 through pipelines, a first expansion valve 4, a second expansion valve 5 and a third expansion valve 6 are respectively arranged on the pipelines of the first plate heat exchanger 7, the second plate heat exchanger 8 and the third plate heat exchanger 9 which are respectively communicated with the liquid storage device 3, a first refrigerator ball valve 10, a second refrigerator ball valve 10 and a second refrigerator ball valve are respectively arranged on the pipelines of the first plate heat exchanger 7, A second refrigerant ball valve 11 and a third refrigerant ball valve 12;
the cooling liquid circulating system comprises a first plate heat exchanger 7, a second plate heat exchanger 8, a third plate heat exchanger 9 and a solution tank 14, an electric heater 15 is arranged in the solution tank 14, liquid outlets of the first plate heat exchanger 7, the second plate heat exchanger 8 and the third plate heat exchanger 9 are communicated with the solution tank 14 through pipelines, a solution pump 16 is arranged on the pipelines, a liquid discharge port of the solution tank 14 is communicated with a liquid discharge pipe, a first stop valve 17 is arranged on the liquid discharge pipe, the tank wall of the solution tank 14 is further communicated with three liquid return pipes through pipeline branches, and a second stop valve 18, a third stop valve 19 and a fourth stop valve 20 are respectively arranged on the liquid return pipes, the liquid inlets of the first plate heat exchanger 7, the second plate heat exchanger 8 and the third plate heat exchanger 9 are all communicated with liquid supply pipes, and a fifth stop valve 21, a sixth stop valve 22 and a seventh stop valve 23 are respectively arranged on the three liquid supply pipes.
The air-cooled heat exchanger 2 consists of a condenser and a hot air blower.
The compressor 1, the air-cooled heat exchanger 2, the liquid storage device 3, the first plate heat exchanger 7, the second plate heat exchanger 8, the third plate heat exchanger 9, the gas-liquid separator 13, the first expansion valve 4, the second expansion valve 5, the third expansion valve 6, the first refrigerator ball valve 10, the second refrigerant ball valve 11 and the third refrigerant ball valve 12 are connected through copper pipes in a brazing welding mode.
The first plate heat exchanger 7, the second plate heat exchanger 8, the third plate heat exchanger 9, the solution tank 14, the electric heater 15, the solution pump 16, the first stop valve 17, the second stop valve 18, the third stop valve 19, the fourth stop valve 20, the fifth stop valve 21, the sixth stop valve 22 and the seventh stop valve 23 are connected through stainless steel pipelines in a threaded or flange connection mode.
The liquid discharge port and the liquid injection port are connected to the solution tank 14.
When the invention is used, the air-cooled heat exchanger 2 is arranged, the air-cooled heat exchanger 2 consists of a condenser and a heat exchange fan, the refrigerator flowing in the interior is cooled and condensed by utilizing the atmosphere as a heat sink, the first expansion valve 4, the second expansion valve 5 and the third expansion valve 6 which are connected with the tail end of the liquid storage device 3 control the refrigerator to throttle and then respectively enter the first plate type heat exchanger 7, the second plate type heat exchanger 8 and the third plate type heat exchanger 9 for cooling the cooling liquid flowing in the interior, the arrangement of the first refrigerant ball valve 10, the second refrigerant ball valve 11 and the third refrigerant ball valve 12 can adjust the flow of the refrigerant entering the first plate type heat exchanger 7, the second plate type heat exchanger 8 and the third plate type heat exchanger 9, thereby controlling the refrigerating capacity of each path, controlling the temperature of the cooling liquid of the plate type heat exchanger, adjusting the temperature of each path of the cooling liquid, the liquid discharge port and the liquid injection port are connected with the solution tank 14 and used for liquid injection and liquid discharge, the heating section of the electric heater 15 is immersed in cooling liquid and used for heating the cooling liquid in the initial state in the solution tank 14, the solution pump 16 sucks the cooling liquid from the solution tank 14, the cooling liquid is divided into three paths to enter the first plate type heat exchange 7, the second plate type heat exchanger 8 and the third plate type heat exchanger 9 and then is cooled by refrigerant flowing through the heat exchangers, and the stop valve is used for controlling the flow and the pressure of each path in the liquid supply port and the liquid return port and can be used for maintaining and ensuring different types of devices to work in different temperature regions, so that the working efficiency of different devices is improved, the limitation that a conventional cold liquid system can only supply cold liquid with single temperature is effectively avoided, and the application range of the liquid.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (5)

1. The multi-temperature-zone cold liquid system comprises a steam compression circulating system and a cooling liquid circulating system, and is characterized in that the steam compression circulating system comprises a compressor (1), an air-cooled heat exchanger (2), a liquid storage device (3), a first plate heat exchanger (7), a second plate heat exchanger (8), a third plate heat exchanger (9) and a gas-liquid separator (13) which are sequentially communicated, the first plate heat exchanger (7), the second plate heat exchanger (8) and the third plate heat exchanger (9) are arranged side by side and are respectively communicated with the liquid storage device (3) and the gas-liquid separator (13) through pipelines, a first expansion valve (4), a second expansion valve (5) and a third expansion valve (6) are respectively arranged on the pipelines of the first plate heat exchanger (7), the second plate heat exchanger (8) and the third plate heat exchanger (9) which are respectively communicated with the liquid storage device (3), a first refrigerator ball valve (10), a second refrigerant ball valve (11) and a third refrigerant ball valve (12) are respectively arranged on pipelines of the first plate heat exchanger (7), the second plate heat exchanger (8) and the third plate heat exchanger (9) which are respectively communicated with the gas-liquid separator (13);
the cooling liquid circulating system comprises a first plate heat exchanger (7), a second plate heat exchanger (8), a third plate heat exchanger (9) and a solution tank (14), wherein an electric heater (15) is arranged in the solution tank (14), liquid outlets of the first plate heat exchanger (7), the second plate heat exchanger (8) and the third plate heat exchanger (9) are communicated with the solution tank (14) through pipelines, and solution pumps (16) are arranged on the pipelines, a liquid discharge port of the solution tank (14) is communicated with a liquid discharge pipe, a first stop valve (17) is arranged on the liquid discharge pipe, a tank wall of the solution tank (14) is further communicated with three liquid return pipes through pipeline branches, a second stop valve (18), a third stop valve (19) and a fourth stop valve (20) are arranged on the liquid return pipes respectively, liquid inlets of the first plate heat exchanger (7), the second plate heat exchanger (8) and the third plate heat exchanger (9) are communicated with liquid supply pipes, and liquid supply pipes are arranged on the three liquid supply pipes respectively A fifth stop valve (21), a sixth stop valve (22) and a seventh stop valve (23) are provided.
2. The multi-temperature zone cold liquid system according to claim 1, wherein the air-cooled heat exchanger (2) is composed of a condenser and a hot air blower.
3. The multi-temperature-zone liquid cooling system according to claim 1, wherein the compressor (1), the air-cooled heat exchanger (2), the liquid reservoir (3), the first plate heat exchanger (7), the second plate heat exchanger (8), the third plate heat exchanger (9), the gas-liquid separator (13), the first expansion valve (4), the second expansion valve (5), the third expansion valve (6), the first refrigerator ball valve (10), the second refrigerant ball valve (11) and the third refrigerant ball valve (12) are connected through copper pipes and are in a brazing welding mode.
4. The multi-temperature-zone cold liquid system according to claim 1, wherein the first plate heat exchanger (7), the second plate heat exchanger (8), the third plate heat exchanger (9), the solution tank (14), the electric heater (15), the solution pump (16), the first stop valve (17), the second stop valve (18), the third stop valve (19), the fourth stop valve (20), the fifth stop valve (21), the sixth stop valve (22) and the seventh stop valve (23) are connected by stainless steel pipelines and in a threaded or flange connection manner.
5. The multi-temperature-zone cold liquid system according to claim 1, wherein the liquid drain port and the liquid injection port are connected to a solution tank (14).
CN202010116049.9A 2020-02-25 2020-02-25 Multi-temperature-zone liquid cooling system Pending CN111212553A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010116049.9A CN111212553A (en) 2020-02-25 2020-02-25 Multi-temperature-zone liquid cooling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010116049.9A CN111212553A (en) 2020-02-25 2020-02-25 Multi-temperature-zone liquid cooling system

Publications (1)

Publication Number Publication Date
CN111212553A true CN111212553A (en) 2020-05-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010116049.9A Pending CN111212553A (en) 2020-02-25 2020-02-25 Multi-temperature-zone liquid cooling system

Country Status (1)

Country Link
CN (1) CN111212553A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117450716A (en) * 2023-12-21 2024-01-26 江苏鹏江电子科技有限公司 Liquid cooling source equipment capable of circulating cooling liquid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117450716A (en) * 2023-12-21 2024-01-26 江苏鹏江电子科技有限公司 Liquid cooling source equipment capable of circulating cooling liquid
CN117450716B (en) * 2023-12-21 2024-03-12 江苏鹏江电子科技有限公司 Liquid cooling source equipment capable of circulating cooling liquid

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