CN110621143A - Server cabinet and gas-liquid comprehensive heat dissipation device thereof - Google Patents
Server cabinet and gas-liquid comprehensive heat dissipation device thereof Download PDFInfo
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- CN110621143A CN110621143A CN201910927751.0A CN201910927751A CN110621143A CN 110621143 A CN110621143 A CN 110621143A CN 201910927751 A CN201910927751 A CN 201910927751A CN 110621143 A CN110621143 A CN 110621143A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 84
- 239000007788 liquid Substances 0.000 title claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000001816 cooling Methods 0.000 claims abstract description 90
- 238000009434 installation Methods 0.000 claims abstract description 55
- 238000009423 ventilation Methods 0.000 claims abstract description 41
- 239000000110 cooling liquid Substances 0.000 claims abstract description 20
- 238000007664 blowing Methods 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 22
- 239000002826 coolant Substances 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000007774 longterm Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- 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
- H05K7/20718—Forced ventilation of a gaseous coolant
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- 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
- H05K7/20763—Liquid cooling without phase change
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- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a gas-liquid comprehensive heat dissipation device which comprises an installation box body, a cabinet body arranged on the installation box body and used for installing a server, a plurality of cooling pipes horizontally arranged in the cabinet body and used for bearing the server, wherein cooling liquid circulates in the cooling pipes, a plurality of ventilation pipes communicated with the inside of the cabinet body and used for blowing cold air into the cabinet body, a water cooling system arranged in the installation box body and used for enabling the cooling liquid in each cooling pipe to circularly flow, and an air cooling system arranged in the installation box body and used for enabling each ventilation pipe to continuously blow the cold air into the cabinet body. The invention simultaneously starts the air-cooling heat dissipation and water-cooling heat dissipation modes to carry out dual-mode heat dissipation and cooling on each server in the cabinet body, comprehensively utilizes the advantages of air cooling and water-cooling heat dissipation, can effectively improve the heat dissipation performance of the server cabinet, reduces vibration and noise generated in the heat dissipation process, and ensures that the server is in a high-performance operation state for a long time. The invention also discloses a server cabinet, which has the beneficial effects as described above.
Description
Technical Field
The invention relates to the technical field of servers and heat dissipation, in particular to a gas-liquid comprehensive heat dissipation device. The invention also relates to a server cabinet.
Background
With the development of the electronic technology in China, more and more electronic devices have been widely used.
Servers are important components in electronic devices, and are devices that provide computing services. Since the server needs to respond to and process the service request, the server generally has the capability of assuming and securing the service. The server is divided into a file server, a database server, an application server, a WEB server and the like according to different service types provided by the server. The main components of the server include a processor, a hard disk, a memory, a system bus, etc., and are similar to a general-purpose computer architecture, but the server is required to have high processing capability, stability, reliability, security, expandability, manageability, etc., because it needs to provide highly reliable services.
In the big data era, a large number of IT devices are centrally located in a data center. These data centers include various types of servers, storage, switches, and a large number of cabinets and other infrastructure. Each type of IT equipment is composed of various hardware boards, such as a computing module, a memory module, a chassis, a fan module, and the like. Servers, switches, storage devices, etc. are often densely packed in server racks and consume power and generate heat that is increasingly greater as server performance increases, resulting in a very concentrated heat load within the server rack that can be extremely detrimental to the performance, safety, and operational life of the equipment if not dissipated in time.
In the prior art, a server cabinet is generally provided with several fans at the top and bottom of the cabinet, and the fans are used as cooling devices. The cooling method of the cabinet is simple and easy, but there are many disadvantages, such as insufficient heat dissipation performance, strong fan vibration, loud noise, unbalanced cooling effect in the cabinet, insufficient contact area or contact time for heat exchange, etc., which results in poor heat dissipation effect and easily causes performance reduction or downtime of the server.
Therefore, how to effectively improve the heat dissipation performance of the server cabinet, reduce the vibration and noise generated in the heat dissipation process, and ensure the high-performance operation of the server is a technical problem faced by technical personnel in the field.
Disclosure of Invention
The invention aims to provide a gas-liquid integrated heat dissipation device which can effectively improve the heat dissipation performance of a server cabinet, reduce vibration and noise generated in the heat dissipation process and ensure high-performance operation of a server. Another object of the present invention is to provide a server rack.
In order to solve the technical problems, the invention provides a gas-liquid comprehensive heat dissipation device which comprises an installation box body, a cabinet body arranged on the installation box body and used for installing a server, a plurality of cooling pipes horizontally arranged in the cabinet body and used for bearing the server, wherein cooling liquid circulates in the cooling pipes, a plurality of ventilation pipes communicated with the cabinet body and used for blowing cold air into the cabinet body, a water cooling system arranged in the installation box body and used for enabling the cooling liquid in each cooling pipe to circularly flow, and an air cooling system arranged in the installation box body and used for enabling each ventilation pipe to continuously blow cold air into the cabinet body.
Preferably, each ventilation pipe is embedded at the bottom of the cabinet body, and an exhaust window for discharging hot air to the outside is formed in the top of each side wall of the cabinet body.
Preferably, the water cooling system including set up in be used for storing and the liquid reserve tank of cooling liquid in the installation box, respectively found vertical cold tube and vertical heat pipe on the both sides inner wall of the cabinet body, with the liquid reserve tank intercommunication is used for with coolant pump wherein go into power unit in the vertical cold tube, each the both ends of cooling tube respectively with vertical cold tube and vertical heat pipe intercommunication, the delivery port of vertical heat pipe with the liquid reserve tank intercommunication.
Preferably, a partition plate for dividing the internal storage space into a hot water cavity and a cold water cavity which are mutually communicated through a narrow slit is vertically arranged on the inner bottom surface of the liquid storage tank, the water outlet of the vertical heat pipe is communicated with the hot water cavity, and the water inlet of the power mechanism is communicated with the cold water cavity; and a plurality of heat dissipation extension plates used for cooling the cooling liquid are arranged on the outer wall of the bottom of the liquid storage box and at the positions corresponding to the hot water cavities.
Preferably, the air cooling system comprises an air duct which is arranged on the side wall of the installation box and is communicated with the outside air, a gas collecting pipe which is communicated with each ventilation pipe, and the power mechanism which is communicated between the air duct and the gas collecting pipe and is used for pumping the outside air into the gas collecting pipe.
Preferably, the water cooling system further comprises a water collecting cavity communicated between the water inlet of the vertical cold pipe and the water outlet of the power mechanism, the water collecting cavity is mounted at the bottom of the cabinet body, and the ventilation pipes penetrate through the water collecting cavity and then extend out of the cabinet body.
Preferably, the power mechanism comprises a driving cylinder arranged in the installation box, a piston rod slidably arranged in the driving cylinder, and a driving assembly arranged in the installation box and used for driving the piston rod to slide in a reciprocating manner; the water inlet and the water outlet of the driving cylinder are both arranged on the rodless cavity wall of the driving cylinder, the air inlet and the air outlet of the driving cylinder are both arranged on the rodless cavity wall of the driving cylinder, and the water inlet, the water outlet, the air inlet and the air outlet of the driving cylinder are all provided with one-way valves for preventing gas and liquid from flowing backwards.
Preferably, the driving assembly includes a driving motor disposed in the installation box, and a transmission member sleeved on an output shaft of the driving motor and used for transmitting power thereof to the piston rod so as to make the piston rod slide in a reciprocating manner.
Preferably, the driving motor is arranged at the bottom of one side of the mounting box, and a heat dissipation blade which rotates synchronously with the driving motor and is used for generating air convection to cool each heat dissipation extension plate is further sleeved on the tail end of the output shaft; and ventilation windows are arranged in the opposite areas of the bottom of the other side of the mounting box body and the heat dissipation extension plates.
The invention also provides a server cabinet which comprises the gas-liquid integrated heat dissipation device.
The invention provides a gas-liquid comprehensive heat dissipation device which mainly comprises an installation box body, a cabinet body, a cooling pipe, a ventilation pipe, a water cooling system and an air cooling system. The installation box body and the cabinet body are main structures of the device, the cabinet body is arranged on the installation box body and is mainly used for installing each server, and the installation box body is used for installing other parts of the device. The cooling pipe is provided with many, and the equal level sets up at the cabinet internally, and mainly used bears and installs the server, and the circulation has the coolant liquid in each cooling pipe simultaneously, realizes the water-cooling heat dissipation to the server through the contact heat transfer between face and the face. The ventilation pipe is provided with many equally, all communicates in the cabinet body, and mainly used blows in cold air to the internal portion of cabinet, realizes the forced air cooling heat dissipation to each server through the mode of air convection. Meanwhile, the water cooling system is arranged in the installation box body and is mainly used for enabling cooling liquid in each cooling pipe to flow circularly so as to repeatedly perform heat dissipation operation and keep long-term stable water cooling heat dissipation. The air cooling system is also arranged in the installation box body and is mainly used for enabling each ventilation pipe to continuously blow cold air into the cabinet body and keeping long-term stable air cooling and heat dissipation. Therefore, the gas-liquid comprehensive heat dissipation device provided by the invention simultaneously uses air-cooling heat dissipation and water-cooling heat dissipation modes to carry out dual-mode heat dissipation and cooling on each server in the cabinet body, comprehensively utilizes the advantages and characteristics of the air-cooling heat dissipation mode and the water-cooling heat dissipation mode, can effectively improve the heat dissipation performance of the server cabinet, reduces vibration and noise generated in the heat dissipation process, and ensures that the server is in a high-performance operation state for a long time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of the inner structure of circle a shown in fig. 1.
Wherein, in fig. 1-2:
the device comprises an installation box body-1, a cabinet body-2, a cooling pipe-3, a ventilation pipe-4, a liquid storage box-5, a vertical cold pipe-6, a vertical heat pipe-7, a partition plate-8, a radiating extension plate-9, an air guide pipe-10, a gas collecting pipe-11, a water collecting cavity-12, a driving cylinder-13, a piston rod-14, a one-way valve-15, a driving motor-16, an output shaft-17, a transmission part-18, radiating blades-19, a water filling pipe-20, a first communication pipe-21, a second communication pipe-22 and support legs-23;
the air conditioner comprises a ventilation window-101, an exhaust window-201, a hot water cavity-501, a cold water cavity-502, a heat dissipation hole-901, a gear-181 and a rack-182.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, fig. 1 is a schematic overall structure diagram of an embodiment of the present invention, and fig. 2 is an enlarged schematic diagram of an inner structure of circle a shown in fig. 1 (arrows in the drawings indicate a flow direction of gas or liquid).
In a specific embodiment provided by the invention, the gas-liquid comprehensive heat dissipation device mainly comprises an installation box body 1, a cabinet body 2, a cooling pipe 3, a ventilation pipe 4, a water cooling system and an air cooling system.
The installation box body 1 and the cabinet body 2 are main structures of the device, the cabinet body 2 is arranged on the installation box body 1 and is mainly used for installing each server, and the installation box body 1 is used for installing other parts of the device. A plurality of support legs 23 may be provided at the bottom of the mounting case 1 to support the mounting case 1.
The cooling tube 3 is provided with many, and the average level sets up in the cabinet body 2, and mainly used bears and installs the server, and the circulation has the coolant liquid in each cooling tube 3 simultaneously, realizes the water-cooling heat dissipation to the server through the contact heat transfer between face and the face. The ventilation pipe 4 is provided with many equally, all communicates in the cabinet body 2, and mainly used blows in cold air to the cabinet body 2 is inside, realizes the forced air cooling heat dissipation to each server through the mode of air convection.
Meanwhile, the water cooling system is arranged in the installation box body 1 and is mainly used for enabling cooling liquid in each cooling pipe 3 to flow circularly so as to repeatedly perform heat dissipation operation and keep long-term stable water cooling heat dissipation. The air cooling system is also arranged in the installation box body 1 and is mainly used for enabling each ventilation pipe 4 to continuously blow cold air into the cabinet body 2 and keeping long-term stable air cooling heat dissipation.
Therefore, the gas-liquid comprehensive heat dissipation device provided by the embodiment simultaneously uses the air-cooling heat dissipation mode and the water-cooling heat dissipation mode to carry out dual-mode heat dissipation and cooling on each server in the cabinet body 2, comprehensively utilizes the advantages and the characteristics of the air-cooling heat dissipation mode and the water-cooling heat dissipation mode, can effectively improve the heat dissipation performance of the server cabinet, reduces the vibration and the noise generated in the heat dissipation process, and ensures that the server is in a high-performance running state for a long time.
In a preferred embodiment of the ventilation pipes 4, each ventilation pipe 4 may be embedded in the bottom of the cabinet 2, so that the outside air will spray air flow from the bottom of the cabinet 2 to the inside thereof, and cool and dissipate heat of the servers installed on each cooling pipe 3 vertically upward. Meanwhile, in order to ensure that the hot air absorbing the heat generated by the server can be rapidly exhausted to the outside, the exhaust window 201 is provided at the top of each side wall of the cabinet 2 in this embodiment, and the exhaust window 201 is communicated with the outside, so that the upward flowing air can smoothly flow from the exhaust window 201 to the outside. Of course, the position of the ventilation duct 4 embedded in the cabinet 2 is not fixed, and may be embedded in each side wall of the cabinet 2, and the opening position of the exhaust window 201 is also not fixed.
In a preferred embodiment with respect to the water cooling system, the water cooling system mainly comprises a liquid storage tank 5, a vertical cold pipe 6, a vertical hot pipe 7 and a power mechanism. Wherein, the liquid reserve tank 5 sets up in installation box 1, and mainly used stores the coolant liquid, cools down the cooling to the coolant liquid that has absorbed the heat simultaneously, makes it can recycle. Vertical cold pipe 6 and vertical heat pipe 7 are attached respectively and are set up on the both sides inner wall of the cabinet body 2 to extend to the top inner wall of the cabinet body 2 along vertical direction, the both ends of each cooling tube 3 communicate with vertical cold pipe 6 and vertical heat pipe 7 respectively. Power unit sets up in installation box 1 to communicate with liquid reserve tank 5, mainly used will store the coolant liquid pump in wherein and go into vertical cold pipe 6, simultaneously, the delivery port and the liquid reserve tank 5 intercommunication of vertical heat pipe 7. Therefore, under the power action of the power mechanism, the cooling liquid stored in the liquid storage tank 5 can sequentially flow through the power mechanism, the vertical cold pipe 6, the cooling pipes 3 and the vertical heat pipe 7 and flow back to the liquid storage tank 5, so that the reciprocating circulation flow is formed. Wherein, the lower coolant liquid of temperature gets into from vertical cold pipe 6 to flow through each cooling tube 3, dispels the heat to each server in cooling tube 3, later, the coolant liquid after having absorbed the heat gets into vertical heat pipe 7, and flow back to and cool off again in liquid reserve tank 5.
Further, in consideration of the possibility that both of the relatively hot coolant and the relatively cold coolant may exist in the reservoir 5, in order to prevent the both from being sufficiently mixed to impair the heat radiation performance, the present embodiment provides the partition plate 8 on the inner bottom surface of the reservoir 5. Specifically, the partition plate 8 may be obliquely disposed on the inner bottom surface of the reservoir 5, and the top thereof extends up to the inner top surface of the reservoir 5, but does not abut against the inner top surface, so as to maintain a certain gap. The storage space in the liquid storage tank 5 can be divided into two parts, i.e., a hot water chamber 501 and a cold water chamber 502, by the partition plate 8. Wherein, the space communicated with the water outlet of the vertical heat pipe 7 is a hot water cavity 501, and the space communicated with the water inlet of the vertical heat pipe 7 is a cold water cavity 502. The cooling liquid in the hot water chamber 501 may flow into the cold water chamber 502 through a narrow gap between the top of the partition plate 8 and the inner top surface of the reservoir 5. Simultaneously, for in time cooling down the cooling liquid that has absorbed the heat in the hot water cavity 501, this embodiment has set up polylith heat dissipation extension board 9 on the bottom outer wall of liquid reserve tank 5. Specifically, the top of each heat dissipation extension plate 9 is connected on the bottom outer wall of liquid reserve tank 5, and the bottom extends to the bottom of installation box 1 all the time simultaneously, and has seted up ventilation window 101 on the bottom lateral wall of installation box 1, and accessible ventilation window 101 ventilates in to installation box 1. Thus, each heat dissipation extension plate 9 can absorb a large amount of heat in the coolant, and dissipate heat in the ventilation area at the bottom of the installation box 1 through the large surface area of the heat dissipation extension plate, so as to cool the coolant in the hot water cavity 501. Then, under the power action of the power mechanism, the cooled cooling liquid can be pumped into the cold water cavity 502 from the hot water cavity 501, and then pumped into the vertical cold pipe 6 from the cold water cavity 502 for circulating flow.
Moreover, in order to further improve the heat dissipation efficiency of each heat dissipation extension plate 9, in this embodiment, a plurality of through holes, that is, heat dissipation holes 901, are further formed on the surface of each heat dissipation extension plate 9. By arranging the heat dissipation holes 901, the contact area between each heat dissipation extension plate 9 and the air can be increased, thereby improving the heat dissipation efficiency.
In a preferred embodiment of the air cooling system, the air cooling system mainly comprises an air duct 10, a gas collecting pipe 11 and a power mechanism. The air duct 10 is arranged on the side wall of the installation box body 1, an outer pipe opening of the air duct is communicated with outside air, an inner pipe opening of the air duct is communicated with the power mechanism, and the air duct is mainly used for guiding the outside air into the power mechanism. Meanwhile, the gas collecting pipe 11 can be arranged in the installation box body 1 and installed at the top of the liquid storage box 5, and is mainly used for being communicated with the ventilation pipes 4 and guiding outside air into the ventilation pipes 4 at the same time. And the power mechanism is communicated between the air duct 10 and the air collecting pipe 11 and is mainly used for generating power to pump the outside air from the air duct 10 into the air collecting pipe 11. It should be noted that the power mechanism in the air cooling system and the power mechanism in the water cooling system may share the same component, or may use both components separately.
Further, considering that after the external air is introduced from the air duct 10, the temperature of the external air may not be low due to the influence of the external air temperature, and if the external air directly acts on the server, the heat dissipation effect is not obvious, for this reason, the water collecting cavity 12 is additionally arranged in the water cooling system in the embodiment, so that the introduced external air is cooled by using the coolant with lower temperature in the water cooling system. Specifically, this water collecting cavity 12 mountable is in the bottom position of the cabinet body 2, and simultaneously, water collecting cavity 12 intercommunication is between the water inlet of vertical cold pipe 6 and the delivery port of power unit, and the coolant liquid that takes out from the power unit needs to reach in the vertical cold pipe 6 after earlier through water collecting cavity 12. Importantly, each ventilation pipe 4 buried underground at the bottom of the cabinet body 2, and the water collecting cavity 12 is also installed at the bottom of the cabinet body 2, so that each ventilation pipe 4 penetrates through the water collecting cavity 12 and then extends out of the interior of the cabinet body 2, and of course, the connection position between the ventilation pipes and the cabinet body is provided with a sealing part, and gas-liquid flow does not affect each other. So set up, the in-process of each ventilation pipe 4 is flowed through behind gas collecting pipe 11 to the outside air in each ventilation pipe 4, will pass and catchment the intracavity 12 inside to carry out the heat exchange with the lower coolant liquid of temperature in chamber 12 inside catchments, realize the cooling to the outside air, later cold air enters into the cabinet body 2 inside from each ventilation pipe 4 again and carries out the convection current heat dissipation to the server, can effectively improve the radiating effect.
In a preferred embodiment with respect to the power mechanism, the power mechanism essentially comprises a drive cylinder 13, a piston rod 14 and a drive assembly. Wherein, the driving cylinder 13 is arranged in the installation box body 1 and can be connected with the end wall of the liquid storage box 5. A piston rod 14 is provided in the drive cylinder 13, and the piston rod 14 is slidably provided in the drive cylinder 13. And the driving component is arranged in the mounting box body 1, is connected with the outer end (the inner end is arranged in the driving cylinder 13) of the piston rod 14 and is mainly used for driving the piston rod 14 to slide in the driving cylinder 13 in a reciprocating manner. Due to the existence of the piston rod 14, the internal space of the driving cylinder 13 is divided into two parts, namely a rodless cavity and a rod cavity, and the pressure in the two parts of the rodless cavity and the rod cavity is reduced and increased in a reciprocating mode in the reciprocating sliding process of the piston rod 14. Meanwhile, in order to ensure that the driving cylinder 13 can smoothly pump the cooling liquid into the water collecting cavity 12 and pump the outside air into the gas collecting pipe 11, the present embodiment has a water inlet and a water outlet on the rodless cavity wall of the driving cylinder 13, and has an air inlet and an air outlet on the rodless cavity wall of the driving cylinder 13. Wherein, the water inlet of the driving cylinder 13 is communicated with the cold water cavity 502 in the liquid storage tank 5, the water outlet is communicated with the water collecting cavity 12, the air inlet of the driving cylinder 13 is communicated with the air duct 10, and the air outlet is communicated with the air collecting pipe 11. And the water inlet, the water outlet, the air inlet and the air outlet of the driving cylinder 13 are all provided with one-way valves 15 to prevent gas or liquid from flowing back into the rod cavity or the rodless cavity.
Thus, the water cooling system and the air cooling system jointly use one driving cylinder 13 as a pump, and the working principle is as follows: when the piston rod 14 descends from the top of the driving cylinder 13, vacuum is gradually formed in the rodless cavity, and the cooling liquid in the cold water cavity 502 is sucked into the rodless cavity from the water inlet until the volume is maximum. Meanwhile, in the descending process of the piston rod 14, the space of the rod cavity is gradually compressed, and the outside air in the rod cavity is completely discharged to the gas collecting pipe 11 from the gas outlet, so that air cooling and heat dissipation are realized. When the piston rod 14 moves upwards from the bottom of the driving cylinder 13, the space of the rodless cavity is gradually compressed, the cooling liquid in the rodless cavity is gradually pushed into the water collecting cavity 12, and then enters each cooling pipe 3 through the vertical cold pipe 6, so that water cooling heat dissipation is realized. Meanwhile, in the ascending process of the piston rod 14, vacuum is gradually formed in the rod cavity, and outside air is sucked into the rod cavity from the air duct 10 until the volume is maximum. When the piston rod 14 descends next time, since a certain amount of cooling liquid is already accumulated in the water collecting cavity 12, the outside air is cooled by the cooling liquid when passing through the gas collecting pipe 11 and the ventilation pipe 4, and the temperature is reduced.
In turn, the up-and-down reciprocating movement of the piston rod 14 in the driving cylinder 13 needs to be driven by the power of the driving assembly. In a preferred embodiment with respect to the drive assembly, the drive assembly basically includes a drive motor 16 and a transmission member 18. Wherein, the driving motor 16 is arranged in the installation box body 1, and the output end thereof is connected with an output shaft 17 which can rotate synchronously with the driving of the driving motor 16. The transmission member 18 is sleeved on the output shaft 17 and connected to the outer end of the piston rod 14, and is mainly used for transmitting the power of the driving motor 16 to the piston rod 14, so that the piston rod 14 performs reciprocating sliding. Of course, since the piston rod 14 reciprocates up and down, the drive motor 16 is preferably a three-phase asynchronous motor, which enables flexible steering control. For the transmission component 18, in this embodiment, a gear rack transmission mechanism may be preferably adopted, wherein the gear 181 may be sleeved on the output shaft 17 to rotate synchronously therewith, and the rack 182 may be connected to the outer end of the piston rod 14, so that the piston rod 14 may be smoothly driven to perform linear motion through the meshing transmission between the gear 181 and the rack 182.
In addition, in this embodiment, the driving motor 16 may be specifically disposed at a bottom position of one side of the installation box 1 and directly faces the opening position of the ventilation window 101, and considering that the heat dissipation extension plates 9 disposed at the bottom of the liquid storage tank 5 are also disposed at the bottom of the installation box 1 and utilize the ventilation window 101 formed at the bottom of the installation box 1 to perform ventilation and heat dissipation, for this reason, the output shaft 17 of the driving motor 16 is further sleeved with the heat dissipation blade 19. When the output shaft 17 rotates, the heat dissipating blades 19 can rotate synchronously, and generate rotating airflow to dissipate heat of the heat dissipating extension plates 9, thereby improving the heat dissipating effect of the coolant in the liquid storage tank 5. Of course, since the output shaft 17 alternately performs the normal rotation and the reverse rotation, the following effects are exerted on the radiator fins 19: when the box body rotates reversely, external air is sucked into the bottom of the installation box body 1, all the heat dissipation extension plates 9 are dissipated in the process, and when the box body rotates forwardly, the air absorbing heat is blown out to the outside from the ventilation window 101, so that the circulation is completed.
In addition, as shown in fig. 1, since the installation position of the driving cylinder 13 is far from the installation positions of the water collecting chamber 12 and the gas collecting pipe 11, for the convenience of communication, the first communicating pipe 21 and the second communicating pipe 22 are additionally arranged in the installation box body 1 in the embodiment. Wherein, the two ends of the first communicating pipe 21 are respectively connected between the water outlet of the driving cylinder 13 and the water inlet of the water collecting chamber 12, and are Z-shaped, and the two ends of the second communicating pipe 22 are respectively connected between the air outlet of the driving cylinder 13 and the air inlet of the gas collecting pipe 11, and are U-shaped. Of course, the shape, size, length and other parameters of the first communication pipe 21 and the second communication pipe 22 are not fixed, and the specific requirements are determined according to the actual installation space.
Furthermore, considering that the amount of the cooling liquid in the water cooling system is gradually reduced due to factors such as evaporation in a long-term operation, a water filling pipe 20 is connected to one end of the liquid storage tank 5, and new cooling liquid can be filled into the liquid storage tank 5 through the water filling pipe 20.
This embodiment still provides a server rack, mainly includes the heat abstractor is synthesized to gas-liquid, and this heat abstractor is synthesized to gas-liquid is the same with aforementioned content, and this no longer gives details here.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a heat abstractor is synthesized to gas-liquid, its characterized in that, including installation box (1), set up in on installation box (1) and be used for installing the cabinet body (2) of server, the level set up in the cabinet body (2) and be used for bearing the weight of server and inside circulation have a plurality of cooling tube (3) of coolant liquid, communicate in the cabinet body (2) and be used for blowing in a plurality of ventilation pipe (4) of cold air to it, set up in installation box (1) and be used for making each water cooling system of coolant liquid circulation flow operation in cooling tube (3), and set up in installation box (1) and be used for making each ventilation pipe (4) last to blow in the air cooling system of cold air in the cabinet body (2).
2. The gas-liquid integrated heat dissipation device according to claim 1, wherein each ventilation pipe (4) is embedded at the bottom of the cabinet body (2), and an exhaust window (201) for exhausting hot air to the outside is opened at the top of each side wall of the cabinet body (2).
3. The gas-liquid integrated heat dissipation device according to claim 1, wherein the water cooling system comprises a liquid storage tank (5) arranged in the installation tank body (1) and used for storing and cooling a coolant, a vertical cold pipe (6) and a vertical heat pipe (7) respectively vertically arranged on the inner walls of the two sides of the cabinet body (2), and a power mechanism communicated with the liquid storage tank (5) and used for pumping the coolant in the liquid storage tank into the vertical cold pipe (6), the two ends of each cooling pipe (3) are respectively communicated with the vertical cold pipe (6) and the vertical heat pipe (7), and a water outlet of the vertical heat pipe (7) is communicated with the liquid storage tank (5).
4. The gas-liquid integrated heat dissipation device according to claim 3, wherein a partition plate (8) for dividing the internal storage space into a hot water cavity (501) and a cold water cavity (502) which are communicated with each other through a narrow slit is vertically arranged on the inner bottom surface of the liquid storage tank (5), the water outlet of the vertical heat pipe (7) is communicated with the hot water cavity (501), and the water inlet of the power mechanism is communicated with the cold water cavity (502); and a plurality of heat dissipation extension plates (9) used for cooling the cooling liquid are arranged on the outer wall of the bottom of the liquid storage box (5) and at the positions corresponding to the hot water cavities (501).
5. The gas-liquid integrated heat dissipation device according to claim 4, wherein the air cooling system comprises an air duct (10) which is provided on the side wall of the installation box body (1) and is communicated with the outside air, a gas collecting pipe (11) which is communicated with each ventilation pipe (4), and the power mechanism which is communicated between the air duct (10) and the gas collecting pipe (11) and is used for pumping the outside air into the gas collecting pipe (11).
6. The gas-liquid comprehensive heat dissipation device according to claim 5, wherein the water cooling system further comprises a water collection chamber (12) communicated between a water inlet of the vertical cold pipe (6) and a water outlet of the power mechanism, the water collection chamber (12) is installed at the bottom of the cabinet body (2), and each ventilation pipe (4) penetrates through the water collection chamber (2) and then extends out of the cabinet body (2).
7. The gas-liquid integrated heat dissipation device according to claim 6, wherein the power mechanism comprises a driving cylinder (13) disposed in the installation box (1), a piston rod (14) slidably disposed in the driving cylinder (13), and a driving assembly disposed in the installation box (1) and configured to drive the piston rod (14) to slide back and forth; the water inlet and the water outlet of the driving cylinder (13) are arranged on the wall of the rodless cavity of the driving cylinder, the air inlet and the air outlet of the driving cylinder (13) are arranged on the wall of the rodless cavity of the driving cylinder, and the water inlet, the water outlet, the air inlet and the air outlet of the driving cylinder (13) are provided with one-way valves (15) for preventing gas and liquid from flowing backwards.
8. The gas-liquid integrated heat dissipation device according to claim 7, wherein the driving assembly comprises a driving motor (16) disposed in the installation box (1), and a transmission member (18) sleeved on an output shaft (17) of the driving motor (16) and used for transmitting power thereof to the piston rod (14) so as to enable the piston rod to slide in a reciprocating manner.
9. The gas-liquid integrated heat dissipation device according to claim 8, wherein the driving motor (16) is disposed at a bottom position of one side of the installation box (1), and a heat dissipation blade (19) which rotates synchronously with the driving motor and is used for generating air convection to cool each heat dissipation extension plate (9) is further sleeved on the tail end of the output shaft (17); and a ventilation window (101) is arranged in the area, right opposite to the heat dissipation extension plates (9), of the bottom of the other side of the installation box body (1).
10. A server cabinet comprising the gas-liquid integrated heat dissipating apparatus according to any one of claims 1 to 9.
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| CN201910927751.0A CN110621143B (en) | 2019-09-27 | 2019-09-27 | Server cabinet and gas-liquid comprehensive heat dissipation device thereof |
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| CN201910927751.0A CN110621143B (en) | 2019-09-27 | 2019-09-27 | Server cabinet and gas-liquid comprehensive heat dissipation device thereof |
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| CN112423482A (en) * | 2020-11-16 | 2021-02-26 | 于海庆 | Cooling equipment is used in electronic circuit board production that forced air cooling and water-cooling combine |
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