CN113093879B - Blade type server heat radiation cover plate for two-phase immersion liquid cooling - Google Patents
Blade type server heat radiation cover plate for two-phase immersion liquid cooling Download PDFInfo
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- CN113093879B CN113093879B CN202110377946.XA CN202110377946A CN113093879B CN 113093879 B CN113093879 B CN 113093879B CN 202110377946 A CN202110377946 A CN 202110377946A CN 113093879 B CN113093879 B CN 113093879B
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- cover plate
- server
- heat dissipation
- liquid
- blade server
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- 239000007788 liquid Substances 0.000 title claims abstract description 97
- 238000001816 cooling Methods 0.000 title claims abstract description 31
- 238000007654 immersion Methods 0.000 title claims abstract description 19
- 230000005855 radiation Effects 0.000 title description 7
- 230000017525 heat dissipation Effects 0.000 claims abstract description 57
- 230000001502 supplementing effect Effects 0.000 claims abstract description 39
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 5
- 238000001802 infusion Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000003491 array Methods 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 2
- 230000004907 flux Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004334 fluoridation Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/181—Enclosures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
- G06F2200/20—Indexing scheme relating to G06F1/20
- G06F2200/201—Cooling arrangements using cooling fluid
-
- 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
The invention belongs to the technical field of server heat dissipation, and provides a blade type server heat dissipation cover plate for two-phase immersion liquid cooling. The heat dissipation cover plate replaces the traditional upper cover plate of the server case, and under the premise that the blade type server heat dissipation original can be completely immersed in the fluorinated liquid, the space inside the case is occupied to the greatest extent, and the consumption of the fluorinated liquid is reduced by about 90%. Compared with the traditional upper cover plate of the server case, the server case has the following advantages: the heat dissipation cover plate occupies most of the space in the server case, and the use amount of the fluoride liquid is greatly reduced. An exhaust through hole and a fluid supplementing channel are formed in one side, close to the blade type server component, of the heat dissipation cover plate so as to ensure timely air bubble discharge and normal fluid supplementing.
Description
Technical Field
The invention belongs to the technical field of server cooling, and particularly relates to a blade type server heat dissipation cover plate for two-phase immersion liquid cooling.
Background
Along with the rapid development of the technical field of server cooling, the integration level of a large-scale server is improved at present, the heat generation amount in the working process is gradually increased, the efficiency of the server can be reduced due to the fact that a reliable and efficient heat dissipation device is not provided, the energy consumption is increased, the temperature is increased, and the server is damaged seriously. The server is subjected to efficient heat dissipation, and the uniformity of the temperature of each part of the server is maintained, so that the server is in the optimal environment temperature, and the server is a necessary condition for ensuring the working stability of the server. Therefore, selecting a highly efficient and reliable heat dissipation scheme is important to improving the efficiency of the server and prolonging the service life of the device.
The mode adopted by the current large-scale server cooling system is as follows: air-cooled heat dissipation, liquid-cooled heat dissipation and two-phase immersion heat dissipation. For example, ke Wenli et al, patent number: 202020480337.8 the heat dissipation of the network server is realized by utilizing a convection air cooling method, and the flow field in the chassis is improved and dust entering the chassis is reduced by designing the flow channel in the chassis. Has the advantages of convenient use, convenient heat dissipation, and the like.
For example, cui Haiying et al, patent number: 202021417679.1 the server is cooled by using a water cooling mode, and the efficiency of a fan of a traditional water cooling machine box is low, so that the semiconductor refrigerating sheet is adopted to cool circulating cooling water in the patent, and the noiseless heat dissipation of the server is realized.
For example, liu Ronghua et al, patent number: 201910412580.8 the server is cooled by a refrigerant capable of phase transition, and the refrigerant absorbs heat generated by the server heat generating unit by utilizing sensible heat and latent heat, so that the generated refrigerant vapor is condensed and returned into the liquid cooling tank by the condensing device. The device can improve the temperature uniformity and the highest allowable heat flux density of the heating components.
However, the conventional cooling method of the server has some defects, and the air cooling heat dissipation cannot meet the requirement of the server for heat dissipation under the high-load working condition, so that equipment is damaged due to overhigh temperature. The disadvantage of liquid cooling is that the liquid cooling system is huge, the requirement of high integration of the data center cannot be met, and meanwhile, the problems of water leakage, heat dissipation and the like can be caused in the liquid cooling.
The existing two-phase immersion liquid cooling technology is rapid in development, and the sensible heat and the latent heat of the fluoride liquid are utilized to take away the heat generated by the server in the working process, so that the temperature uniformity of the server can be ensured, higher efficiency can be still maintained under high load, and the establishment of a large-scale data center with high integration degree is facilitated. However, the existing two-phase immersion liquid cooling technology has some disadvantages, such as: limiting the installation direction of the blade server and the large internal space of the case cause the problems of increasing the usage amount of the fluoride liquid and the like.
In view of the defects of the server cooling modes, the invention provides the blade server heat dissipation cover plate for the two-phase immersion liquid cooling, and the cover plate with the miniature liquid supplementing channel and the exhaust through hole is arranged on the blade server in the two-phase immersion liquid cooling machine case to occupy the internal space of the machine case, so that the use amount of the machine case to the fluoride liquid is reduced, and the operation cost is reduced. The longitudinal and transverse miniature liquid supplementing channels and the exhaust through holes on the server heat radiation cover plate ensure that the blade server can be installed in any direction to ensure that the gap liquid supplementing and the fluoride liquid bubbles can be smoothly discharged in time.
Disclosure of Invention
The technical problem solved by the invention is to provide the blade server heat dissipation cover plate for the two-phase immersion liquid cooling, and the cover plate with the miniature liquid supplementing channel and the exhaust through hole is additionally arranged on the blade server so as to reduce the use amount of high-cost fluorinated liquid, thereby reducing the running cost of equipment, ensuring that the longitudinal and transverse channels and the exhaust through holes of the blade server heat dissipation cover plate can ensure that the blade server is arranged in any direction, timely liquid supplementing during interval, smoothly discharging bubbles of the fluorinated liquid, and simultaneously reducing the thermal resistance of the surface of a heating element.
The technical scheme of the invention is as follows:
a blade server heat radiation cover plate for two-phase immersion liquid cooling comprises a blade server 1, a server heat radiation cover plate 2, a fastening buckle 3 and a fluoride solution 4;
the blade server 1 is fixed with the server radiating cover plate 2 through the fastening buckle 3, so that secondary disassembly is facilitated; the structure of the inner surface of the server heat dissipation cover plate 2 is complementary with the structure of the surface of the blade server 1, and the gap distance between the server heat dissipation cover plate and the blade server 1 is 2 millimeters, so that the gap fluid infusion is ensured in time in the working process of the blade server 1;
the server heat dissipation cover plate 2 is provided with a liquid supplementing channel and an exhaust through hole array to realize the air bubble discharge and liquid supplementing of the fluorinated liquid 4; the side, close to the components, of the blade server 1 is provided with crisscrossed liquid supplementing channels, the crossing points of the liquid supplementing channels correspond to the components, and meanwhile, the liquid supplementing channels at the components are relatively dense; the liquid supplementing channel is used for timely discharging bubbles of the fluorinated liquid 4 generated on the heating surface of the blade server 1 and guaranteeing timely liquid supplementing; the server heat dissipation cover plate 2 is provided with a circular exhaust through hole array with inconsistent density, and the exhaust through hole arrays respectively correspond to heating components of the blade server 1 and are used for timely discharging bubbles of the fluorinated liquid 4 generated on the heating surface of the blade server 1 and ensuring timely liquid supplementing.
The surface of the server heat dissipation cover plate 2 is provided with liquid supplementing channels with inconsistent density, the region with denser channels is a region with higher heat flux density of the blade server, and bubbles are conveniently and smoothly discharged after the fluoride liquid 4 is gasified in the working process of the server.
The server heat dissipation cover plate 2 is formed by processing a solid ABS plate, has good compatibility with the fluoride liquid 4, occupies the space inside the box body by being mounted on the side of the heating element of the blade server 1, reduces the use amount of the fluoride liquid 4, and reduces the running cost of equipment.
The surface of the server radiating cover plate 2 is provided with longitudinal and transverse liquid supplementing channels, and corresponding to each heating element of the blade server 1, the server radiating cover plate 2 is provided with exhaust through holes with inconsistent density, so that when the blade server 1 is installed in different directions, gap liquid supplementing and timely exhaust bubbles can be ensured.
The invention has the beneficial effects that:
1) By installing the server heat dissipation cover plate on the blade server, the space in the chassis is occupied, the consumption of the chassis to high-cost fluorinated liquid is greatly reduced under the condition of ensuring the liquid filling rate and timely liquid supplementing, and the running cost of equipment is reduced.
2) The micro liquid supplementing grooves with different densities are processed on the groove insertion plate, so that the discharge of bubbles after the gasification of the fluoride liquid in the working process of the server is facilitated, and the thermal resistance on the heat generating components is reduced.
3) The surface of the server radiating cover plate is provided with a longitudinal and transverse miniature liquid supplementing channel and an exhaust through hole, and when the blade type server is installed in different directions, the timely liquid supplementing and the smooth exhaust bubbles are ensured.
4) The server heat dissipation cover plate is mounted on the upper portion of the blade server through the fastening buckle, and secondary disassembly and assembly are convenient.
5) The distance between the server heat dissipation cover plate and the blade server is 2 mm, so that the gap fluid infusion is ensured in time in the working process of the server.
Drawings
Fig. 1 is a schematic diagram of a blade server heat sink cover assembly for two-phase immersion cooling.
Fig. 2 is a schematic diagram of a blade server.
Fig. 3 is a schematic diagram of a heat dissipating cover plate of a server.
Fig. 4 is a schematic view of a fastening buckle.
In the figure: 1 a blade server; 2, a server heat dissipation cover plate; 3, fastening a buckle; 4, fluoridation liquid.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and technical schemes.
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. It should be understood that these descriptions are merely intended to further illustrate the features and advantages of the present invention, and are not intended to limit the scope of the claims.
The invention discloses a blade type server heat radiation cover plate for two-phase immersion liquid cooling, which comprises: blade server 1, server heat dissipation cover plate 2, fastening buckle 3 and fluoride solution 4;
the blade server 1 is fixed with the server radiating cover plate 2 through the fastening buckle 3, so that the blade server is convenient to detach secondarily.
The clearance distance between the server heat dissipation cover plate 2 and the blade type server 1 is 2 mm, so that the clearance fluid infusion is guaranteed in time in the working process of the server.
The side of the server heat dissipation cover plate 2, which is close to the blade server components, is provided with criss-cross liquid supplementing channels, and timely discharges bubbles of the fluorinated liquid 4 generated on the heating surface of the blade server, and ensures timely liquid supplementing.
Circular exhaust through holes with inconsistent density degrees are formed in the server radiating cover plate 2, the arrays respectively correspond to heating components of each blade server, and timely discharge of bubbles of the fluorinated liquid 4 generated on the heating surface of the blade server is guaranteed, and timely liquid supplementing is guaranteed.
The surface of the server heat dissipation cover plate 2 is provided with micro liquid supplementing channels with inconsistent density, the area with denser channels is an area with higher heat flux density of the blade server, and bubbles are conveniently and smoothly discharged after the fluoride liquid 4 is gasified in the working process of the server.
The server heat dissipation cover plate 2 is formed by processing a solid ABS plate, has good compatibility with the fluoride liquid 4, occupies the space inside the box body by being mounted on the side of the blade server heating element, reduces the using amount of the fluoride liquid 4, and reduces the running cost of equipment.
The surface of the server radiating cover plate 2 is provided with longitudinal and transverse miniature liquid supplementing channels, and corresponding to each heating element of the blade server, the server radiating cover plate 2 is provided with exhaust through holes with inconsistent density, so that when the blade server 1 is installed in different directions, gap liquid supplementing and timely exhaust bubbles can be ensured.
As shown in fig. 2, taking the blade server 1 as an example, four straight notches are formed on the edge side of the blade server 1 for fastening the installation of the buckle, and holes with the height of 2 mm are formed on the edge baffle side of the blade server 1, so that the gap between the blade server and the heat dissipation cover plate of the server is ensured to be filled with liquid in time. As shown in fig. 3, the fastening buckle is inserted through the straight slot of the blade server and the server heat-dissipating cover plate, and the blade server and the server heat-dissipating cover plate can be fastened after the fastening buckle at four corners is rotated by 90 degrees, so as to complete the installation.
As shown in fig. 4, the structure of the heat dissipation cover plate of the server is schematically shown, and the heat dissipation cover plate of the server is installed on the side of the heating element of the blade server, the distance between the side of the heat dissipation cover plate of the server, which is provided with the micro liquid supplementing channel, and the surface of the heating unit of the blade server is 2 mm, and the heat dissipation cover plate of the server is installed through fastening buckles. The density degree of the miniature liquid supplementing channel on the surface of the server heat radiation cover plate is inconsistent with that of the exhaust through holes, and the denser area of the miniature liquid supplementing channel and the exhaust through holes corresponds to the area with high heat flux density of the blade server, so that the liquid fluoride is facilitated to be discharged from liquid bubbles and timely supplemented from gaps. The vertical and horizontal miniature liquid supplementing channels and the exhaust through holes on the surface of the server heat dissipation cover plate can ensure that liquid supplementing and bubble discharging can be timely carried out when the blade server is installed according to any direction.
In summary, the invention discloses a blade server heat dissipation cover plate for two-phase immersion liquid cooling. Under the premise that the radiating original of the blade server can be completely immersed in the fluorinated liquid, the space inside the case is occupied to the greatest extent, the consumption of the fluorinated liquid is reduced by about 90%, and an exhaust through hole and a liquid supplementing channel are formed in one side, close to the blade server component, of the radiating cover plate so as to ensure timely discharge of bubbles and normal operation of liquid supplementing.
The foregoing specific examples have been provided to illustrate the technical solutions and advantages of the present disclosure in detail, and it should be understood that the foregoing description is only exemplary of the present disclosure and is not intended to limit the present disclosure. The dimensions and shapes of the elements in the drawings do not reflect actual sizes and proportions, but merely represent the contents of this example. Any modifications, improvements, and equivalents that fall within the spirit and scope of the present disclosure.
Claims (5)
1. The blade server heat dissipation cover plate for the two-phase immersion liquid cooling is characterized by comprising a blade server (1), a server heat dissipation cover plate (2), a fastening buckle (3) and a fluoride liquid (4);
the blade server (1) is fixed with the server radiating cover plate (2) through the fastening buckle (3), so that the blade server is convenient to detach for the second time; the structure of the inner surface of the server heat dissipation cover plate (2) is complementary with the structure of the surface of the blade server (1), and the gap distance between the server heat dissipation cover plate and the blade server (1) is 2 millimeters, so that the gap fluid infusion is ensured in time in the working process of the blade server (1);
the server heat dissipation cover plate (2) is provided with a liquid supplementing channel and an exhaust through hole array to respectively realize the air bubble discharge of liquid supplementing and fluorinated liquid (4).
2. The blade server heat dissipation cover plate for two-phase immersion liquid cooling according to claim 1, wherein crisscrossed liquid compensation channels are formed on the side, close to the heating components of the blade server (1), of the server heat dissipation cover plate (2), the crossing points of the liquid compensation channels correspond to the components, and meanwhile the liquid compensation channels at the components are relatively dense; the liquid supplementing channel is used for guaranteeing timely liquid supplementing.
3. The blade server heat dissipation cover plate for two-phase immersion liquid cooling according to claim 1 or 2, wherein the server heat dissipation cover plate (2) is provided with a circular exhaust through hole array with inconsistent density, and the exhaust through hole arrays respectively correspond to heating components of the blade server (1) and are used for timely discharging bubbles of fluorinated liquid (4) generated on the heating surface of the blade server (1).
4. The blade server heat dissipation cover plate for the two-phase immersion liquid cooling according to claim 1 or 2, wherein the server heat dissipation cover plate (2) is formed by processing a solid ABS plate, has good compatibility with the fluorinated liquid (4), occupies the space inside a box body by being arranged on the side of a heating element of the blade server (1), reduces the use amount of the fluorinated liquid (4), and reduces the running cost of equipment.
5. The blade server heat dissipation cover plate for two-phase immersion liquid cooling according to claim 3, wherein the server heat dissipation cover plate (2) is formed by processing a solid ABS plate, has good compatibility with the fluorinated liquid (4), occupies a space inside a box body by being mounted on a heating element side of the blade server (1), reduces the use amount of the fluorinated liquid (4), and reduces the running cost of equipment.
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CN202110377946.XA CN113093879B (en) | 2021-04-08 | 2021-04-08 | Blade type server heat radiation cover plate for two-phase immersion liquid cooling |
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CN202110377946.XA CN113093879B (en) | 2021-04-08 | 2021-04-08 | Blade type server heat radiation cover plate for two-phase immersion liquid cooling |
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CN113093879B true CN113093879B (en) | 2023-11-24 |
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