CN110430721A - A kind of islands and reefs protection type liquid cooling source unit and its heat dissipating method - Google Patents

A kind of islands and reefs protection type liquid cooling source unit and its heat dissipating method Download PDF

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Publication number
CN110430721A
CN110430721A CN201910657724.6A CN201910657724A CN110430721A CN 110430721 A CN110430721 A CN 110430721A CN 201910657724 A CN201910657724 A CN 201910657724A CN 110430721 A CN110430721 A CN 110430721A
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CN
China
Prior art keywords
radiator
circulation
compression refrigerating
outer circulation
cooling
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Pending
Application number
CN201910657724.6A
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Chinese (zh)
Inventor
张德俊
陈杨
徐太栋
许升
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724th Research Institute of CSIC
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724th Research Institute of CSIC
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Priority to CN201910657724.6A priority Critical patent/CN110430721A/en
Publication of CN110430721A publication Critical patent/CN110430721A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H05K7/2029Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with 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
    • H05K7/2029Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20309Evaporators
    • 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
    • H05K7/2029Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20318Condensers
    • 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
    • H05K7/2029Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20327Accessories for moving fluid, for connecting fluid conduits, for distributing fluid 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
    • H05K7/2029Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20354Refrigerating circuit comprising a compressor
    • 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
    • H05K7/2029Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20381Thermal management, e.g. evaporation control

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The present invention relates to a kind of islands and reefs protection type liquid cooling source unit and its heat dissipating method, system includes interior circulating fluid supply system: water pump, temperature sensor, load system, control cabinet;Middle circulation compression refrigerating system: compressor, evaporator, condenser, throttling set;Outer circulation cooling system: water pump, radiator, exhaust valve, expansion drum;Interior circulating fluid supply system and middle circulation compression refrigerating system are by evaporator progress indirect heat exchange, and by condenser indirect heat exchange, outer circulation cooling system passes through radiator and radiates for middle circulation compression refrigerating system and outer circulation cooling system.Conventional compact refrigeration mode liquid cooling source is designed to that refrigeration host computer is isolated with radiator by setting outer circulation cooling system by the present invention.For radiator, it is only necessary to which maintenance can be completed in simple replacement, solves low degree of protection outside the especially air-cooled complete machine room in conventional compression refrigeration mode liquid cooling source, radiator maintenance needs welding refrigeration pipeline, the difficult point for filling freon, can be used under adverse circumstances.

Description

A kind of islands and reefs protection type liquid cooling source unit and its heat dissipating method
Technical field
The present invention relates to technical field of refrigeration equipment.
Background technique
As component thermal current density constantly increases, spatially integrate degree increases, traditional using air as the cooling system of working medium The system type of cooling has been unable to satisfy the thermal control requirement of modern electronic equipment;Relative to traditional using direct or indirect air The types of cooling such as cooling technology or relatively new type thermoelectric cooling, magnetic refrigeration, vortex tube refrigeration, liquid cooling technology have height The advantages that coefficient of heat transfer, high efficiency, good mobility, stable ability to work and low noise, this becomes liquid cooling technology The first choice of Electronic Cooling System.
Liquid cooling technology refers to that main cooling medium is the cooling technology of liquid, its principle is to utilize liquid and heater element Direct contact heat transfer or indirect contact heat exchanger, so that taking away heat in flowing or evaporation process then reduces heating element Temperature.The cooling liquid of selection generally has the high coefficient of heat transfer, good mobility and stable ability to work, this makes liquid cooling Technology becomes the first choice of Electronic Cooling System.
Core of the liquid cooling source as liquid cooling technology, the method that it uses liquid circulation cooling, cooling for electronic equipment, In principle, it can provide certain temperature, pressure, the coolant liquid of flow, carry out cooling down to load equipment, for collection A good, stable working environment is created at the continuous work of component.Liquid cooling source is commonly used to solve high-power instrument hot-fluid close Degree is higher to the higher equipment of cooling requirements, and designing reasonable, reliable liquid cooling source is the key that liquid cooling technology.
Liquid cooling source is especially widely applied in machine system in all kinds of electronic apparatus systems at present.But it is in adverse circumstances The disadvantages of lower reliability is low, and maintenance is complicated, and universality is poor, causes traditional liquid cold source system that can not adapt to complicated adverse circumstances, Influence the popularization in serious liquid cooling source.Such as the salt air corrosion of liquid cooling source is serious outside islands and reefs, coastal area room, and external radiating device is easy There is damaged, leakage fluorine, failure;When far ultraviolet field, vehicle-mounted, it is heavy that hydro-thermal can not be provided;And it is compressed in remote Flight Line Maintenance Situations such as refrigeration system welding difficulty is big, and specialized maintenance personnel lack.
Summary of the invention
The present invention repairs the problems such as difficult for the burn into liquid cooling source under the adverse circumstances such as current islands and reefs, by the way that outer follow is arranged It is isolated with radiator that conventional compact refrigeration mode liquid cooling source is designed as refrigeration host computer by ring cooling system, can be by interior circulating feeding liquid System, middle circulation compression refrigerating system, the liquid feed device in outer circulation are integrally placed in inside indoor or airtight cabinet, it is external only Retain radiator, the degree of protection of cold source system main equipment can be effectively improved and reduce maintenance difficulty, for outdoor heat dissipation Device, it is only necessary to maintenance simply can be completed with changing installation part (such as blower, radiator), solve conventional compression refrigeration mode liquid cooling source The difficult point that degree of protection is low outside complete machine room, radiator needs to weld maintenance, maintenance needs filling freon.
To reach said effect, the present invention provides a kind of islands and reefs protection type liquid cooling source unit and its heat dissipating method.Such as figure (1) Shown, islands and reefs protection type liquid cooling source unit includes interior circulating fluid supply system 1, middle circulation compression refrigerating system 2, outer circulation heat dissipation system System 3.Wherein interior circulating fluid supply system 1 includes the second water pump 13, water tank 14, temperature sensor 16, load 15, control cabinet 4;In follow Ring compression refrigerating system 2 includes compressor 10, evaporator 11, condenser 9, throttling set 12;Outer circulation cooling system 3 includes the One water pump 7, radiator 5, exhaust valve 6, expansion drum 8.It is characterized by: the interior circulating fluid supply system 1 is compressed with middle circulation Refrigeration system 2 carries out indirect heat exchange by evaporator 11, and outer circulation cooling system 3 will conventional air-cooled compression system by condenser 9 It is isolated with radiator that cold mould liquid cooling source is divided into host, interior circulating fluid supply system 1, middle circulation compression refrigerating system 2, outer circulation Be integrally placed in inside indoor or airtight cabinet for liquid circulating device in cooling system 3, outside retain radiator 5, heat dissipation The replacement of device 5 does not influence interior circulation compression refrigerating system 2.
The outer circulation cooling system 3 is enclosed or half-closed for fluid circulation, can be used that air is heat sink or hydro-thermal is heavy.
The unit has middle circulation compression refrigerating system 2, can meet load 15 feed flow temperature self-adaptations adjustment.
Islands and reefs protection type liquid cooling source proposed by the present invention unit heat dissipating method includes the following steps:
Step 1: interior circulating fluid supply system 1 provides stable liquid circulation, and 15 heats of load are replaced to interior circulating cooling In liquid;
Step 2: middle circulation compression refrigerating system 2 provides refrigeration, and the heat of coolant liquid in interior circulating fluid supply system 1 is passed through The displacement of evaporator 11 is into the refrigeration working medium of middle circulation compression refrigerating system 2;
Step 3: heat exchange in refrigeration working medium is set outer circulation heat dissipation by condenser 9 by middle circulation compression refrigerating system 2 In the coolant liquid of system 3;
Step 4: outer circulation cooling system 3 is recycled by the feed flow of itself, by heat from the cooling of outer circulation cooling system Liquid is gone in outdoor radiator;
Step 5: outdoor radiator 5 by blower or heat exchanger heat sink to air or hydro-thermal it is heavy in;
Step 6: start and stop of the control cabinet 4 according to the feedback control compressor 10 and radiator 5 of temperature sensor 16, control Feed flow temperature.
Outer circulation using enclosed or half-closed for fluid circulation, can reduction system volume, reduce weight of equipment, raising is set Standby reliability, improves systematic protection grade, while solving the problems, such as that multiple air heat-exchange bring condensation temperature is high.
Usefulness of the present invention:
1) liquid cooling source main part can be placed in indoor or airtight cabinet, only retain radiator in outdoor, complete machine is anti- It is high to protect grade;
2) compression refrigerating system mesohigh refrigeration system is completely independent, and length of pipe effectively shortens, and indoors or closed In cabinet, easy damaged, does not have high reliability;
3) outer circulation uses enclosed liquid-supplying system, and isolation is interacted with air, improves corrosion resistance, for flow quantity and changes The stability of heat is high;
4) temperature that outer circulation uses the condensation temperature eliminated in multiple air indirect heat exchange for fluid circulation heat exchange high The problem of spending;
5) cooling system radiator is followed outside and has removable property, can be completed without professional person, easy to operate, maintenance side Just;
6) it can effectively eliminate noise caused by forced air by the cooling distance of piping connection simultaneously and vibration is asked Topic.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.Wherein: circulating fluid supply system in 1- recycles compression refrigerating system in 2-, outside 3- Cycle cooling system, 4- control cabinet, 5- radiator, 6- exhaust valve, the first water pump of 7-, 8- expansion drum, 9- condenser, 10- pressure Contracting machine, 11- evaporator, 12- throttling set, the second water pump of 13-, 14- water tank, 15- load, 16- temperature sensor;
Fig. 2 is islands and reefs protection type liquid cooling source of the present invention unit concrete structure schematic diagram.Wherein: circulating fluid supply system in 1-, Compression refrigerating system, 3- outer circulation cooling system, 17- blower, 18- air-cooled radiator, 6- exhaust valve, the first water of 7- are recycled in 2- Pump, 8- expansion drum, 9- condenser, 10- compressor, 19- gas-liquid separator, 11- evaporator, the second water pump of 13-, 14- water tank, 15- load, 20- by-passing valve, 21- flow sensor, 22- first pressure sensor, 16- temperature sensor, 12- throttling set, 23- solenoid valve, 24- second pressure sensor, 25- second temperature sensor, 4- control cabinet.
Specific embodiment
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.
Islands and reefs protection type liquid cooling source proposed by the present invention set structure schematic diagram is as shown in Figure 2.Complete machine is supplied comprising interior circulation Liquid system, middle circulation compression refrigerating system, outer circulation cooling system three parts.Outer circulation liquid-supplying system uses enclosed feed flow system System, heat sink using air, outdoor section only has blower 17 and air-cooled radiator 18, and exhaust valve 6 to the devices such as control cabinet 4 is all put It sets inside indoor or airtight cabinet.Outer circulation liquid-supplying system uses anti-freeze cooling liquid, and middle cycle refrigeration system is freezed using 134a Agent, interior circulating fluid supply system use anti-freeze cooling liquid;18 liquid in-out mouth of air-cooled radiator is using screw thread or flange-interface and interior Machine connection, fast demountable can meet the maintenance of outer machine and not need welding and freon punching note while can be under the conditions of anhydrous heat sink It uses.
Middle circulation compression refrigerating system addition refrigeration attachment (solenoid valve 12, gas-liquid separator 8), make refrigeration system have and Has corresponding stability and therefore inspection ability.Equally, interior circulating fluid supply system passes through addition auxiliary device (by-passing valve 20, flow Sensor 21, first pressure sensor 22, temperature sensor 16), outer circulation cooling system adds auxiliary device, and (second temperature passes Sensor 25, second pressure sensor 24) safety and self adaptive control that ensure system, can meet system self-adaption temperature control and Fault-detecting ability.
Islands and reefs protection type liquid cooling source proposed by the present invention unit heat dissipating method includes the following steps:
Step 1: interior circulating fluid supply system 1 provides stable liquid circulation, and 15 heats of load are replaced to interior circulating cooling In liquid;
Step 2: middle circulation compression refrigerating system 2 provides refrigeration, and the heat of coolant liquid in interior circulating fluid supply system 1 is passed through The displacement of evaporator 11 is into the refrigeration working medium of middle circulation compression refrigerating system 2;
Step 3: heat exchange in refrigeration working medium is set outer circulation heat dissipation by condenser 9 by middle circulation compression refrigerating system 2 In the coolant liquid of system 3;
Step 4: outer circulation cooling system 3 is recycled by the feed flow of itself, by heat from the cooling of outer circulation cooling system Liquid is gone in air-cooled radiator 18;
Step 5: air-cooled radiator 18 by blower 17 heat sink to air it is heat sink in;
Step 6: control cabinet 4 is according to the feedback control compressor 10 or wind of temperature sensor 16 and second temperature sensor 25 The start and stop of machine 17 control feed flow temperature.

Claims (4)

1. a kind of islands and reefs protection type liquid cooling source unit, it is characterised in that: including interior circulating fluid supply system (1), middle circulation compression system Cooling system (2) and outer circulation cooling system (3);Wherein interior circulating fluid supply system (1) include the second water pump (13), water tank (14), Temperature sensor (16), load (15) and control cabinet (4);Middle circulation compression refrigerating system (2) includes compressor (10), evaporation Device (11), condenser (9) and throttling set (12);Outer circulation cooling system (3) includes the first water pump (7), radiator (5), exhaust valve (6) and expansion drum (8);The interior circulating fluid supply system (1) and middle circulation compression refrigerating system (2) pass through steaming It sends out device (11) and carries out indirect heat exchange, outer circulation cooling system (3) will conventional air-cooled compression refrigeration mode liquid cooling source by condenser (9) It is isolated with radiator to be divided into host, interior circulating fluid supply system (1), middle circulation compression refrigerating system (2), outer circulation heat dissipation system Be integrally placed in inside indoor or airtight cabinet for liquid circulating device in system (3), outside retains radiator (5), heat dissipation dress The replacement for setting (5) does not influence interior circulation compression refrigerating system (2).
2. a kind of islands and reefs protection type liquid cooling source unit according to claim 1, it is characterised in that: outer circulation heat dissipation system Unite (3) be enclosed or half-closed for fluid circulation, can be used that air is heat sink or hydro-thermal be heavy.
3. according to claim 1 or a kind of islands and reefs protection type liquid cooling source unit as claimed in claim 2, it is characterised in that: described Unit has middle circulation compression refrigerating system (2), can meet the adjustment of load (15) feed flow temperature self-adaptation.
4. a kind of islands and reefs protection type liquid cooling source unit heat dissipating method, it is characterised in that:
Step 1: interior circulating fluid supply system (1) provides stable liquid circulation, and load (15) heat is replaced to interior circulating cooling In liquid;
Step 2: middle circulation compression refrigerating system (2) provides refrigeration, and the heat of coolant liquid in interior circulating fluid supply system (1) is passed through Evaporator (11) displacement is into the refrigeration working medium of middle circulation compression refrigerating system (2);
Step 3: heat exchange in refrigeration working medium is set outer circulation heat dissipation by condenser (9) by middle circulation compression refrigerating system (2) In the coolant liquid of system (3);
Step 4: outer circulation cooling system (3) is recycled by the feed flow of itself, by heat from the coolant liquid of outer circulation cooling system It goes in outdoor radiator;
Step 5: outdoor radiator (5) by blower heat sink to air or hydro-thermal it is heavy in;
Step 6: control cabinet (4) according to the start and stop of the feedback control compressor (10) and radiator (5) of temperature sensor (16), Control feed flow temperature.
CN201910657724.6A 2019-07-20 2019-07-20 A kind of islands and reefs protection type liquid cooling source unit and its heat dissipating method Pending CN110430721A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910657724.6A CN110430721A (en) 2019-07-20 2019-07-20 A kind of islands and reefs protection type liquid cooling source unit and its heat dissipating method

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Application Number Priority Date Filing Date Title
CN201910657724.6A CN110430721A (en) 2019-07-20 2019-07-20 A kind of islands and reefs protection type liquid cooling source unit and its heat dissipating method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113883736A (en) * 2021-09-29 2022-01-04 西安交通大学 Mobile liquid cold source radiator regulation and control device and regulation and control method

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CN202304241U (en) * 2011-10-15 2012-07-04 合肥天鹅制冷科技有限公司 Water circulation cooling device
JP2013257889A (en) * 2013-07-24 2013-12-26 Hitachi Ltd Cooling system of electronic equipment
CN203586399U (en) * 2013-10-28 2014-05-07 杭州上岛电器有限公司 Falling film constant temperature and humidity system
CN204131372U (en) * 2014-09-09 2015-01-28 天津华宁电子有限公司 A kind of mine-used frequency-converter cooling device
CN204598537U (en) * 2015-02-02 2015-08-26 深圳市英维克科技股份有限公司 A kind of cooling system of rack
JP2016024672A (en) * 2014-07-22 2016-02-08 株式会社デンソー Cooling system
CN205123602U (en) * 2015-11-12 2016-03-30 北京能高自动化技术股份有限公司 Airtight box water -cooling photovoltaic power plant
CN106455417A (en) * 2016-08-31 2017-02-22 许昌许继晶锐科技有限公司 Converter valve cooling system and DC power transmission equipment employing same
CN206001732U (en) * 2016-08-23 2017-03-08 合肥天鹅制冷科技有限公司 It is capable of the liquid low-temperature receiver unit of precise control of temperature
CN206755637U (en) * 2017-02-27 2017-12-15 常州贺斯特科技股份有限公司 For controlling the liquid cooling apparatus of feed flow temperature
CN109496106A (en) * 2018-11-20 2019-03-19 浙江工商大学 A kind of cabinet liquid cooling heat radiation system
CN208704195U (en) * 2018-08-20 2019-04-05 天津市精为制冷设备有限公司 A kind of Split type water-cooling equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940010579B1 (en) * 1991-08-29 1994-10-24 주식회사 금성사 Stirring cycle
CN202304241U (en) * 2011-10-15 2012-07-04 合肥天鹅制冷科技有限公司 Water circulation cooling device
JP2013257889A (en) * 2013-07-24 2013-12-26 Hitachi Ltd Cooling system of electronic equipment
CN203586399U (en) * 2013-10-28 2014-05-07 杭州上岛电器有限公司 Falling film constant temperature and humidity system
JP2016024672A (en) * 2014-07-22 2016-02-08 株式会社デンソー Cooling system
CN204131372U (en) * 2014-09-09 2015-01-28 天津华宁电子有限公司 A kind of mine-used frequency-converter cooling device
CN204598537U (en) * 2015-02-02 2015-08-26 深圳市英维克科技股份有限公司 A kind of cooling system of rack
CN205123602U (en) * 2015-11-12 2016-03-30 北京能高自动化技术股份有限公司 Airtight box water -cooling photovoltaic power plant
CN206001732U (en) * 2016-08-23 2017-03-08 合肥天鹅制冷科技有限公司 It is capable of the liquid low-temperature receiver unit of precise control of temperature
CN106455417A (en) * 2016-08-31 2017-02-22 许昌许继晶锐科技有限公司 Converter valve cooling system and DC power transmission equipment employing same
CN206755637U (en) * 2017-02-27 2017-12-15 常州贺斯特科技股份有限公司 For controlling the liquid cooling apparatus of feed flow temperature
CN208704195U (en) * 2018-08-20 2019-04-05 天津市精为制冷设备有限公司 A kind of Split type water-cooling equipment
CN109496106A (en) * 2018-11-20 2019-03-19 浙江工商大学 A kind of cabinet liquid cooling heat radiation system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113883736A (en) * 2021-09-29 2022-01-04 西安交通大学 Mobile liquid cold source radiator regulation and control device and regulation and control method
CN113883736B (en) * 2021-09-29 2024-05-07 西安交通大学 Radiator regulation and control device and regulation and control method for mobile liquid cold source

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Application publication date: 20191108