CN114857970B - Two-stage loop cooling system based on ultrathin loop pulsating heat pipe - Google Patents
Two-stage loop cooling system based on ultrathin loop pulsating heat pipe Download PDFInfo
- Publication number
- CN114857970B CN114857970B CN202210640200.8A CN202210640200A CN114857970B CN 114857970 B CN114857970 B CN 114857970B CN 202210640200 A CN202210640200 A CN 202210640200A CN 114857970 B CN114857970 B CN 114857970B
- Authority
- CN
- China
- Prior art keywords
- loop
- heat exchange
- inlet
- outlet
- evaporator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/043—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure forming loops, e.g. capillary pumped loops
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/208—Liquid cooling with phase change
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
A two-stage loop cooling system based on an ultrathin loop pulsating heat pipe comprises an inner circulation loop and an outer circulation loop, wherein the evaporation end of the ultrathin loop pulsating heat pipe of the first-stage inner circulation loop is a copper evaporator which is made by sintering and has a liquid suction core structure, heat of a heating element is absorbed by evaporation of a liquid working medium, the working medium in a gas-liquid two-phase state enters a condensation end through a capillary heat exchange pipe, the condensation end is a copper condenser with a plurality of capillary elbow structures, the circulation condenser forms a heat exchange channel communicated with the outer circulation loop through a plurality of fins, and efficient heat dissipation at a server level is realized through combined action of the inner circulation loop and the outer circulation two-stage loop. The system effectively reduces energy consumption, provides high-efficiency heat exchange for server-level equipment, and ensures that the server-level equipment normally works within a proper temperature range.
Description
Technical Field
The invention relates to a two-stage loop cooling system based on an ultrathin loop pulsating heat pipe, and belongs to the technical field of electronic equipment cooling.
Background
With the increase of the demand of heat dissipation power of high-performance electronic equipment, it is the focus of attention of a cooling system to effectively transfer a large amount of heat dissipated during the operation of the equipment to ensure the normal operation of the electronic equipment.
The annual power consumption of the data center continuously increases at a speed of 15-20%, wherein the energy consumption of the cooling system accounts for about 40% of the total energy consumption of the data center, and the energy consumption of the data center can be obviously reduced by reducing the energy consumption of the cooling system; the servers used for accommodating electronic equipment in the data center have the characteristic of high heating density, along with the miniaturization and integration of electronic elements, a plurality of high-power chips are placed in a limited space to work, and a large amount of redundant heat is accumulated to cause the problems of chip damage, information loss and the like, so that a cooling system with reasonable design is needed to maintain the equipment such as the servers and the like to work in a proper temperature range to reduce the occurrence of downtime.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a two-stage loop cooling system based on an ultrathin loop pulsating heat pipe, which has low energy consumption, can perform high-efficiency heat exchange on server-level equipment, and ensures that the server-level equipment can normally work within a proper temperature range.
In order to achieve the purpose, the invention provides a two-stage loop cooling system based on an ultrathin loop pulsating heat pipe, which comprises an inner circulation loop and an outer circulation loop, wherein the inner circulation loop is the ultrathin loop pulsating heat pipe and comprises an evaporation end and a condensation end, the evaporation end comprises a plurality of inner circulation evaporators directly contacted with electronic elements, the inner circulation evaporators are communicated with one another through a plurality of connecting ports and pipelines, a liquid absorption core is arranged in each inner circulation evaporator, the liquid absorption core is a plurality of grooves distributed in parallel, and a working medium in each inner circulation evaporator flows along the grooves;
connectors on two sides of each internal circulation evaporator are respectively used as an inlet end and an outlet end and are respectively connected with a condensation end of the internal circulation loop through capillary heat exchange tubes on the sides of the connectors, and the capillary heat exchange tubes are arranged in parallel with the grooves;
the condensation end comprises an internal circulation condenser, a capillary bend and fins, the capillary bend is arranged in the internal circulation condenser and comprises a plurality of communicated U-shaped heat exchange tubes, a working medium flows in the U-shaped heat exchange tubes, and two ends of the capillary bend are respectively communicated with the inlet end and the outlet end of the internal circulation evaporator to form an internal circulation heat exchange loop; the heat exchanger comprises a capillary bend, a plurality of fins, an outer circulation loop and a heat exchange channel, wherein the capillary bend is arranged on the inner wall of the capillary bend;
the external circulation loop comprises a cooling tower, a first circulating water pump, a first valve, a second circulating water pump and a mechanical refrigeration module, wherein the mechanical refrigeration module comprises an expansion valve, an evaporator, a condenser and a compressor, a primary side inlet and a primary side outlet of the evaporator are respectively connected with an outlet of the expansion valve and an inlet of the compressor, an inlet of the expansion valve is connected with a primary side outlet of the condenser, and an outlet of the compressor is connected with a primary side inlet of the condenser;
the inlet and the outlet of the secondary side of the condenser are respectively connected with the outlet of the cooling tower and the water suction port of the first circulating water pump, the water outlet of the first circulating water pump is respectively connected with the water inlet of the first valve and the water inlet of the second valve, the water outlet of the first valve is connected with the inlet of the heat exchange channel, the outlet of the heat exchange channel is connected with the inlet of the cooling tower, and the water outlet of the second valve is connected with the inlet of the cooling tower;
and the outlet of the secondary side of the evaporator is connected with the inlet of the heat exchange channel, the outlet of the heat exchange channel is connected with the water suction port of the second circulating water pump, and the water discharge port of the second circulating water pump is connected with the inlet of the secondary side of the evaporator.
Further, the ultra-thin loop pulsating heat pipe has two heating modes of uniform heating and non-uniform heating.
Furthermore, an inlet end and an outlet end of the internal circulation evaporator are respectively positioned on two sides of the internal circulation evaporator shell and are distributed in a staggered manner with connecting ports formed on two sides of the internal circulation evaporator shell.
Furthermore, the working medium in the ultrathin loop pulsating heat pipe is deionized water, a ketone working medium, an alcohol working medium, a micro-nano capsule phase change material emulsion, a nano fluid or a magnetic fluid, and the filling rate of the working medium is 30-70%.
Further, the number of the internal circulation evaporators is equal to the number of the electronic elements in the server.
Furthermore, the diameter of the capillary heat exchange tube is 2-3 mm.
The ultra-thin loop pulsating heat pipe is adopted to construct a primary inner circulation loop, a cooling tower, a mechanical refrigeration module and a heat exchange channel are adopted to construct a secondary outer circulation loop, wherein the evaporation end of the ultra-thin loop pulsating heat pipe of the primary inner circulation loop adopts a copper evaporator with a wick structure, which is made by sintering, heat is dissipated to a heating element through evaporation and absorption of liquid working medium, the working medium in a gas-liquid two-phase state enters a condensation end through a capillary heat exchange pipe, the condensation end is a copper condenser with a plurality of capillary elbow structures, the inner circulation condenser forms the heat exchange channel communicated with the outer circulation loop through a plurality of fins, high-efficiency heat dissipation at a server level is realized through the combined action of the inner circulation and the outer circulation two-stage loop, the ultra-thin loop pulsating heat pipe has superior antigravity performance, high freedom degree and safety, is suitable for heat dissipation at a server level, heat can be directly extracted from high-density elements such as a CPU (central processing unit), the performance of a cooling system is improved, the leakage risk of the liquid cooling system is reduced, and the safety is high; the system does not need an additional power system, and the two-stage loop can fully utilize an outdoor cold source while ensuring the outlet water temperature requirement of cooling water, so that the energy-saving property is strong; in conclusion, the system effectively reduces energy consumption, provides high-efficiency heat exchange for server-level equipment, and ensures that the server-level equipment normally works within a proper temperature range.
Drawings
FIG. 1 is a schematic illustration of the uniform heating mode operation of the internal circulation loop of the present invention;
FIG. 2 is a schematic illustration of the non-uniform heating mode operation of the inner loop of the present invention;
FIG. 3 is a schematic view of the flow at the outlet end of the internal working fluid of the internal circulation evaporator of the present invention;
FIG. 4 is a schematic flow diagram of the working fluid inlet end inside the internal circulation evaporator of the present invention;
fig. 5 is a schematic view of the working principle of the cooperation among the inner circulation loop, the heat exchange channel and the outer circulation loop of the present invention.
In the figure: 1. the system comprises an evaporation end, 101, an internal circulation evaporator, 102, a liquid suction core, 2, a condensation end, 201, an internal circulation condenser, 202, a capillary bend, 203, fins, 204, a U-shaped heat exchange pipe, 3, a capillary heat exchange pipe, 4, a heat exchange channel, 5, a cooling tower, 501, a first circulating water pump, 502, a first valve, 503, a second valve, 504, a second circulating water pump, 6, a mechanical refrigeration module, 601, an expansion valve, 602, an evaporator, 603, a condenser, 604 and a compressor.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1 to 4, a two-stage loop cooling system based on an ultrathin loop pulsating heat pipe comprises an inner circulation loop and an outer circulation loop, wherein the inner circulation loop is the ultrathin loop pulsating heat pipe and comprises an evaporation end 1 and a condensation end 2, the evaporation end 1 comprises a plurality of inner circulation evaporators 101 which are in direct contact with electronic components, the inner circulation evaporators 101 are communicated with each other by arranging a plurality of connecting ports and pipelines, a wick 102 is arranged in each inner circulation evaporator 101, the wick 102 is a plurality of grooves which are distributed in parallel, and a working medium in each inner circulation evaporator 101 flows along the grooves;
as shown in fig. 1 and 2, the inside circulation evaporator 101 can be designed using a uniform heating mode and a non-uniform heating mode according to the arrangement of the electronic components, wherein the non-uniform heating mode can freely adjust the position of the inside circulation evaporator 101, and can exhibit superior thermal performance. Meanwhile, in order to improve antigravity performance of the ultrathin loop pulsating heat pipe, when a uniform heating mode is adopted, no specific requirement is imposed on the power density of electronic components in contact with each internal circulation condenser 201; when the non-uniform heating mode is used, the performance of the ultra-thin loop pulsating heat pipe is improved when the power densities of the electronic components in contact with the respective internal circulation condensers 201 are not equal.
In order to improve the uniformity of temperature distribution while improving the heat exchange efficiency, the inlet end and the outlet end of the internal circulation evaporator 101 are respectively positioned at two sides of the shell of the internal circulation evaporator, and the connectors at two sides are in staggered distribution.
The connecting ports on the two sides of each internal circulation evaporator 101 are respectively used as an inlet end and an outlet end and are respectively connected with the condensation end 2 of the internal circulation loop through the capillary heat exchange tubes 3 on the side where the capillary heat exchange tubes are located, and the capillary heat exchange tubes 3 are arranged in parallel with the grooves;
the condensation end 2 comprises an internal circulation condenser 201, a capillary curve 202 and fins 203, the capillary curve 202 is arranged in the internal circulation condenser 201 and comprises a plurality of communicated U-shaped heat exchange tubes 204, working media flow in the U-shaped heat exchange tubes 204, and two ends of the capillary curve 202 are respectively communicated with the inlet end and the outlet end of the internal circulation evaporator 101 to form an internal circulation heat exchange loop; the number of the fins 203 is multiple, one side of each fin is attached to the corresponding capillary curve 202, and the other side of each fin is connected with the outer circulation loop to form a heat exchange channel 4 communicated with the outer circulation loop;
as shown in fig. 5, the external circulation circuit includes a cooling tower 5, a first circulating water pump 501, a first valve 502, a second valve 503, a second circulating water pump 504 and a mechanical refrigeration module 6, the mechanical refrigeration module 6 includes an expansion valve 601, an evaporator 602, a condenser 603 and a compressor 604, a primary side inlet and an outlet of the evaporator 602 are respectively connected to an outlet of the expansion valve 601 and an inlet of the compressor 604, an inlet of the expansion valve 601 is connected to a primary side outlet of the condenser 603, and an outlet of the compressor 604 is connected to a primary side inlet of the condenser 603;
the inlet and the outlet of the secondary side of the condenser 603 are respectively connected with the outlet of the cooling tower 5 and the water suction port of the first circulating water pump 501, the water discharge port of the first circulating water pump 501 is respectively connected with the water inlet of the first valve 502 and the water inlet of the second valve 503, the water outlet of the first valve 502 is connected with the inlet of the heat exchange channel 4, the outlet of the heat exchange channel 4 is connected with the inlet of the cooling tower 5, and the water outlet of the second valve 503 is connected with the inlet of the cooling tower 5;
the secondary side outlet of the evaporator 602 is connected with the inlet of the heat exchange channel 4, the outlet of the heat exchange channel 4 is connected with the water suction port of the second circulating water pump 504, and the water discharge port of the second circulating water pump 504 is connected with the secondary side inlet of the evaporator 602.
Preferably, the working medium in the ultrathin loop pulsating heat pipe is deionized water, a ketone working medium, an alcohol working medium, a micro-nano capsule phase change material emulsion, a nano fluid or a magnetic fluid, and the filling rate of the working medium is 30-70%.
Preferably, the number of the internal circulation evaporators 101 is equal to the number of the electronic components in the server.
Preferably, the diameter of the capillary heat exchange tube 3 is 2-3 mm.
The working process is as follows:
as shown in fig. 3 and 4, the evaporation end of the ultra-thin loop pulsating heat pipe in the inner circulation loop dissipates heat to the heating element by absorbing heat through evaporation of the internal liquid working medium, and the working medium in a gas-liquid two-phase state performs primary heat exchange between the capillary heat exchange pipe 3 and the condensation end 2;
the condensation end 2 is connected with an external circulation loop through a fin 203 arranged in the internal circulation condenser 201 to form a heat exchange channel 4 communicated with the external circulation loop;
as shown in fig. 5, under a normal working condition, the first valve 502 is opened, the second valve 503 is closed, the cooling tower 5 in the external circulation loop performs heat exchange with outside air to prepare cold water, the prepared cold water enters the heat exchange channel 4 through the first circulating water pump 501 and the first valve 502 to wash the fins 203, so that the working medium in the capillary curve 202 is cooled, and the purpose of evaporating and absorbing heat of the heating element is achieved through the cooled working medium through the internal circulation loop;
when the temperature of cold water prepared by the cooling tower 5 cannot meet the heat dissipation requirement under the working condition of high temperature and high humidity in summer, the mechanical refrigeration module 6 is started, the first valve 502 is closed, the second valve 503 is opened, the cold water prepared by the cooling tower 5 only has the function of condensing the condenser 603, liquid working medium is evaporated and absorbs heat in the evaporator to be changed into gas, the gas is compressed by the compressor 604, condensed by the condenser 603 and throttled by the expansion valve 601 and then sent into the evaporator 602 to complete a cycle, machine room circulating water enters the evaporator 602 through the second circulating water pump 504 to discharge heat and then enters the heat exchange channel to wash the fins 203 to take away the heat, so that the working medium in the capillary bend 202 is cooled, and the purpose of evaporating and absorbing heat of a heating element by the cooled working medium is achieved through the internal circulation loop.
Claims (6)
1. A double-stage loop cooling system based on an ultrathin loop pulsating heat pipe is characterized by comprising an inner circulation loop and an outer circulation loop, wherein the inner circulation loop is the ultrathin loop pulsating heat pipe and comprises an evaporation end (1) and a condensation end (2), the evaporation end (1) comprises a plurality of inner circulation evaporators (101) which are in direct contact with electronic elements, the inner circulation evaporators (101) are communicated in series by arranging a plurality of connecting ports and pipelines, a liquid suction core (102) is arranged in each inner circulation evaporator (101), the liquid suction core (102) is a plurality of grooves which are distributed in parallel, and a working medium in each inner circulation evaporator (101) flows along the grooves;
connecting ports on two sides of each internal circulation evaporator (101) are respectively used as an inlet end and an outlet end, the internal circulation evaporators (101) on the two sides are connected with a condensation end (2) of an internal circulation loop through capillary heat exchange tubes (3) on the side where the internal circulation evaporators are located, and the capillary heat exchange tubes (3) are arranged in parallel with the grooves;
the condensation end (2) comprises an internal circulation condenser (201), a capillary curve (202) and fins (203), the capillary curve (202) is arranged in the internal circulation condenser (201) and comprises a plurality of communicated U-shaped heat exchange tubes (204), a working medium flows in the U-shaped heat exchange tubes (204), and two ends of the capillary curve (202) are respectively communicated with the inlet end and the outlet end of the internal circulation evaporator (101) positioned on two sides to form an internal circulation heat exchange loop; the number of the fins (203) is multiple, one side of each fin is arranged in a manner of being attached to the corresponding capillary curve (202), and the other side of each fin is connected with the outer circulation loop to form a heat exchange channel (4) communicated with the outer circulation loop;
the external circulation loop comprises a cooling tower (5), a first circulating water pump (501), a first valve (502), a second valve (503), a second circulating water pump (504) and a mechanical refrigeration module (6), wherein the mechanical refrigeration module (6) comprises an expansion valve (601), an evaporator (602), a condenser (603) and a compressor (604), a primary side inlet and a primary side outlet of the evaporator (602) are respectively connected with an outlet of the expansion valve (601) and an inlet of the compressor (604), an inlet of the expansion valve (601) is connected with a primary side outlet of the condenser (603), and an outlet of the compressor (604) is connected with a primary side inlet of the condenser (603);
the inlet and the outlet of the secondary side of the condenser (603) are respectively connected with the outlet of the cooling tower (5) and the water suction port of the first circulating water pump (501), the water discharge port of the first circulating water pump (501) is respectively connected with the water inlet of the first valve (502) and the water inlet of the second valve (503), the water outlet of the first valve (502) is connected with the inlet of the heat exchange channel (4), the outlet of the heat exchange channel (4) is connected with the inlet of the cooling tower (5), and the water outlet of the second valve (503) is connected with the inlet of the cooling tower (5);
the secondary side outlet of the evaporator (602) is connected with the inlet of the heat exchange channel (4), the outlet of the heat exchange channel (4) is connected with the water suction port of the second circulating water pump (504), and the water discharge port of the second circulating water pump (504) is connected with the secondary side inlet of the evaporator (602).
2. The ultra-thin loop pulsating heat pipe based two-stage loop cooling system as claimed in claim 1, wherein the ultra-thin loop pulsating heat pipe has both uniform heating mode and non-uniform heating mode.
3. The ultra-thin loop pulsating heat pipe based two-stage loop cooling system as recited in claim 1 or 2, wherein the inlet end and the outlet end of the internal circulation evaporator (101) are respectively located at two sides of the shell of the internal circulation evaporator (101) and are distributed in a staggered manner.
4. The two-stage loop cooling system based on the ultrathin loop pulsating heat pipe as claimed in claim 3, wherein the working medium in the ultrathin loop pulsating heat pipe is deionized water, a ketone working medium, an alcohol working medium, a micro-nano capsule phase change material emulsion, a nano fluid or a magnetic fluid, and the filling rate of the working medium is 30% -70%.
5. The ultra-thin loop pulsating heat pipe based two-stage loop cooling system as recited in claim 4, wherein the number of said internal circulation evaporators (101) is equal to the number of electronic components in the server.
6. The two-stage loop cooling system based on the ultrathin loop pulsating heat pipe as claimed in claim 5, wherein the diameter of the capillary heat exchange pipe (3) is 2-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210640200.8A CN114857970B (en) | 2022-06-08 | 2022-06-08 | Two-stage loop cooling system based on ultrathin loop pulsating heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210640200.8A CN114857970B (en) | 2022-06-08 | 2022-06-08 | Two-stage loop cooling system based on ultrathin loop pulsating heat pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114857970A CN114857970A (en) | 2022-08-05 |
| CN114857970B true CN114857970B (en) | 2023-01-31 |
Family
ID=82625254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210640200.8A Active CN114857970B (en) | 2022-06-08 | 2022-06-08 | Two-stage loop cooling system based on ultrathin loop pulsating heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114857970B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05157467A (en) * | 1991-12-09 | 1993-06-22 | Hitachi Metals Ltd | Cooling apparatus |
| CN102798184A (en) * | 2012-08-13 | 2012-11-28 | 北京德能恒信科技有限公司 | Heat tube and heat pump compounding system |
| CN104320953A (en) * | 2014-09-19 | 2015-01-28 | 中国移动通信集团广东有限公司 | Secondary water-loop server cabinet cooling system |
| CN206352878U (en) * | 2016-12-22 | 2017-07-25 | 广东申菱环境系统股份有限公司 | A kind of heating system for reclaiming computer room liquid-cooling heat radiation amount |
| CN207065759U (en) * | 2017-03-24 | 2018-03-02 | 广东申菱环境系统股份有限公司 | A kind of heat dissipation system for computer room with recuperation of heat/full natural cooling |
| CN113437387A (en) * | 2021-06-07 | 2021-09-24 | 中国矿业大学 | Battery thermal management system based on coupling of pulsating heat pipe and phase-change material |
| CN114245665A (en) * | 2021-11-30 | 2022-03-25 | 珠海格力电器股份有限公司 | Heat dissipation assembly and air conditioner |
-
2022
- 2022-06-08 CN CN202210640200.8A patent/CN114857970B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05157467A (en) * | 1991-12-09 | 1993-06-22 | Hitachi Metals Ltd | Cooling apparatus |
| CN102798184A (en) * | 2012-08-13 | 2012-11-28 | 北京德能恒信科技有限公司 | Heat tube and heat pump compounding system |
| CN104320953A (en) * | 2014-09-19 | 2015-01-28 | 中国移动通信集团广东有限公司 | Secondary water-loop server cabinet cooling system |
| CN206352878U (en) * | 2016-12-22 | 2017-07-25 | 广东申菱环境系统股份有限公司 | A kind of heating system for reclaiming computer room liquid-cooling heat radiation amount |
| CN207065759U (en) * | 2017-03-24 | 2018-03-02 | 广东申菱环境系统股份有限公司 | A kind of heat dissipation system for computer room with recuperation of heat/full natural cooling |
| CN113437387A (en) * | 2021-06-07 | 2021-09-24 | 中国矿业大学 | Battery thermal management system based on coupling of pulsating heat pipe and phase-change material |
| CN114245665A (en) * | 2021-11-30 | 2022-03-25 | 珠海格力电器股份有限公司 | Heat dissipation assembly and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114857970A (en) | 2022-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10356949B2 (en) | Server rack heat sink system with combination of liquid cooling device and auxiliary heat sink device | |
| CN203848433U (en) | Heat pipe and heat pump dual-mode air conditioner with evaporative condenser | |
| CN105180490A (en) | Integrated natural cooling machine room air conditioner system | |
| CN108919927A (en) | A kind of server chips cooling system | |
| CN103940018A (en) | Heat pipe air conditioner all-in-one machine with evaporative condenser | |
| CN210892235U (en) | Natural cooling multi-connected refrigerating system with built-in gravity heat pipe | |
| CN114857970B (en) | Two-stage loop cooling system based on ultrathin loop pulsating heat pipe | |
| CN115857644A (en) | Cold plate type heat dissipation device for server | |
| CN103925737A (en) | Air conditioner system with evaporation type condenser | |
| CN211625782U (en) | A liquid drop evaporation plant and cooling water set for cooling water set | |
| CN112867374A (en) | Water-cooling heat pipe dual-mode machine room air conditioner | |
| CN203798003U (en) | Air conditioning device with evaporative condenser | |
| CN113405162A (en) | Heat pipe heat transfer device and air conditioner | |
| CN116907242B (en) | Heat exchanger, system and working method of carbon dioxide heat source tower heat pump unit | |
| CN220023404U (en) | Energy storage thermal management device using falling film evaporator | |
| KR20040082686A (en) | heat-exchange plate comprising heat pipe and air cooling type condenser thereby | |
| CN215121657U (en) | Water-cooling heat pipe dual-mode machine room air conditioner | |
| CN219415279U (en) | Novel refrigerating device | |
| CN210267788U (en) | Water-cooling fluorine pump dual cycle economizer system | |
| CN211293867U (en) | Auxiliary heat dissipation equipment for computer set | |
| CN214406549U (en) | Refrigerating system | |
| CN210921846U (en) | Vacuum processor cold water machine | |
| CN218209883U (en) | Evaporative cooling device and evaporative cooling type air-cooled central air conditioner | |
| CN216745022U (en) | Heat regenerator for small and medium-sized refrigerating equipment | |
| CN207762059U (en) | Hydraulic press hydraulic oil cooling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |