CN111065251A - Cabinet and liquid cooling system - Google Patents
Cabinet and liquid cooling system Download PDFInfo
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- CN111065251A CN111065251A CN202010067803.4A CN202010067803A CN111065251A CN 111065251 A CN111065251 A CN 111065251A CN 202010067803 A CN202010067803 A CN 202010067803A CN 111065251 A CN111065251 A CN 111065251A
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- liquid cooling
- bin
- liquid
- heat exchanger
- cabinet
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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
- H05K7/20781—Liquid cooling without phase change within cabinets for removing heat from server blades
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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
- H05K7/20736—Forced ventilation of a gaseous coolant within cabinets for removing heat from server blades
Abstract
The invention relates to a cabinet and a liquid cooling system. The liquid cooling system comprises a liquid cooling bin, a heat exchanger in the bin, a heat exchanger outside the bin and a heat exchange loop, wherein the liquid cooling bin is used for containing a cooling working medium of the liquid cooling bin, the cooling working medium of the liquid cooling bin is used for cooling a heating component in the bin arranged in the liquid cooling bin, the heat exchange loop is connected with the heat exchanger in the bin and the heat exchanger outside the bin in series, the cooling working medium of the heat exchange loop flows between the heat exchanger in the bin and the heat exchanger outside the bin, the heat exchanger outside the bin is arranged outside the liquid cooling bin and exchanges heat with air of a cabinet body and is used for cooling the heating component outside the bin arranged in the cabinet body, and the heat exchanger in the bin is arranged in the liquid cooling bin so as to cool the cooling working. The liquid cooling system can cool the heating components in the liquid cooling bin and outside the liquid cooling bin simultaneously, improves the compatibility of the liquid cooling system to the heating components, and reduces the maintenance cost of the cabinet.
Description
Technical Field
The invention relates to a cabinet and a liquid cooling system.
Background
With the rapid development of information technologies such as big data, internet + and cloud computing, data centers are gradually developing towards large-scale high-density development as the necessary infrastructure of information technologies, and a prominent problem brought by the high-density development of electronic information devices is that the heat productivity of servers in cabinets is rapidly increased.
Most of server cabinets of commercial data centers adopt an air cooling mode, and the cabinet cooling efficiency is low and the energy consumption is large due to small air specific heat capacity and large heat exchange temperature difference. In order to improve the cooling efficiency and reduce the energy consumption, cabinets such as a bathtub type liquid cooling cabinet and a spray type cabinet which are radiated by adopting a liquid cooling mode appear in the prior art, a liquid cooling working medium is adopted in the liquid cooling mode to be directly contacted with heating parts of a server in the cabinet to cool the heating parts, the liquid cooling cabinet has better energy utilization rate, and can effectively improve the radiating efficiency of the cabinet.
Disclosure of Invention
The invention aims to provide a liquid cooling system to solve the technical problem that the liquid cooling system in the prior art has poor compatibility with a heating component; correspondingly, the invention also aims to provide a cabinet to solve the technical problem of high maintenance cost of the cabinet caused by poor compatibility of a server liquid cooling system in the cabinet in the prior art to a heating component.
The liquid cooling system adopts the following technical scheme: the liquid cooling system includes: the liquid cooling bin is arranged in the cabinet body and used for containing a liquid cooling bin cooling working medium which is used for cooling heating components in the bin arranged in the liquid cooling bin; the liquid cooling heat exchange device is used for cooling the liquid cooling cabin to cool the working medium; the liquid cooling system also comprises an external heat exchanger, an internal heat exchanger and a heat exchange loop; the heat exchange loop is a closed loop and is used for connecting the heat exchanger in the bin and the heat exchanger outside the bin in series, and a cooling working medium of the heat exchange loop flows between the heat exchanger in the bin and the heat exchanger outside the bin; the external heat exchanger is arranged outside the liquid cooling bin and is used for exchanging heat with the air of the cabinet body and cooling external heating components which are arranged in the cabinet body and are positioned outside the liquid cooling bin; the heat exchanger in the bin is arranged in the liquid cooling bin so as to cool the working medium of the heat exchange loop in the heat exchange loop through the cooling working medium of the liquid cooling bin.
The invention has the beneficial effects that: in the liquid cooling system, the heating component in the liquid cooling bin which can be directly contacted with the cooling working medium of the liquid cooling bin is arranged in the liquid cooling bin, the cooling working medium of the heat exchange loop flows between the heat exchanger in the bin and the heat exchanger outside the bin, the cooling working medium of the heat exchange loop passes through the heat exchanger in the bin, so that the cooling working medium of the liquid cooling bin in the liquid cooling bin is used for cooling the cooling working medium of the heat exchange loop, the cooling working medium of the low-temperature heat exchange loop after being cooled reduces the temperature of the air in the cabinet after absorbing heat through the heat exchanger outside the bin, the low-temperature air which is arranged in the cabinet and outside the liquid cooling bin is used for cooling the heating component outside the bin, and the heating component outside the bin is prevented from being arranged in the liquid cooling bin.
Further, the opening in liquid cooling storehouse is arranged up, and the liquid cooling storehouse is sealed storehouse, heat transfer circuit from the top down inserts in the liquid cooling storehouse. The heat exchange loop is inserted into the liquid cooling bin from top to bottom, so that the heat exchanger in the bin is arranged in the liquid cooling bin, and the liquid cooling bin and the heat exchanger in the bin are convenient to install.
Furthermore, the heat exchanger outside the bin is an evaporator, the heat exchanger inside the bin is a condenser, the outlet end of the evaporator is connected with a compressor, the outlet end of the condenser is connected with a throttling device, and the compressor and the throttling device are both connected in series in the heat exchange loop. The structure that evaporimeter, throttling arrangement, condenser and compressor are established ties can make the liquid cooling system have better heat exchange efficiency, and then can improve the cooling efficiency of the outside heating element of storehouse.
Further, the liquid cooling system still includes fan and purification unit, and the fan is used for setting up at the internal of cabinet to realize the circulation of the internal air current of cabinet, purification unit is used for filtering the internal air of purification cabinet. The purifying unit can adsorb the gaseous liquid cooling cabin cooling working medium in the cabinet body so as to reduce the influence of the liquid cooling cabin cooling working medium lost from the liquid cooling cabin on the normal work of the heating components outside the cabin.
Further, the liquid cooling system further comprises a cyclone plate liquid collector, the cyclone plate liquid collector comprises a cyclone plate and a liquid collecting tank, the cyclone plate is arranged on the air inlet side of the purification unit, and the liquid collecting tank is communicated with the liquid cooling bin. The setting of whirl board liquid trap and the position that sets up of whirl board help before liquid cooling storehouse cooling medium is absorbed, to the recovery of liquid cooling storehouse cooling medium to reduce the loss of liquid cooling storehouse cooling medium in the liquid cooling storehouse.
Further, the liquid cooling system further comprises a heat exchange purification shell, and the fan, the purification unit and the warehouse external heat exchanger are all assembled in the heat exchange purification shell in a modularized manner, so that the heat exchange purification shell, the fan, the purification unit and the warehouse external heat exchanger form a heat exchange purification module. The structure of the heat exchange purification module is convenient for realizing the modularized installation and the disassembly of the liquid cooling system.
Further, the liquid cooling system still includes fan and whirl board liquid trap, and the fan is used for setting up at the internal air current's of cabinet circulation to the realization cabinet, whirl board liquid trap include whirl board and collecting tank, the collecting tank with the liquid cooling storehouse intercommunication, whirl board is located the air-out side of heat exchanger outside the storehouse. In the arrangement form, the temperature of the air outlet side of the external bin heat exchanger is lower, and the cyclone plate liquid collector is arranged on the air outlet side of the external bin heat exchanger, so that the cyclone plate liquid collector can conveniently collect the liquid cooling working medium in the liquid cooling bin in the cabinet body.
Further, the liquid cooling heat exchange device is a cabinet heat exchanger arranged outside the liquid cooling bin, the liquid cooling bin is provided with a liquid inlet communicated with the cabinet heat exchanger and a liquid outlet communicated with the cabinet heat exchanger, and the heat exchanger in the bin is close to the liquid outlet and is far away from the liquid inlet. The heat exchanger is close to the liquid outlet and keeps away from the inlet setting in the storehouse, and the liquid cooling storehouse cooling working medium of the high temperature of being convenient for in time discharges from the liquid outlet, reduces the influence to the interior heating element heat dispersion of storehouse.
The cabinet adopts the following technical scheme: the rack, including the cabinet body, the internal: a server including heat generating components in the warehouse; a server liquid cooling system, comprising: the liquid cooling bin is arranged in the cabinet body and used for containing a liquid cooling bin cooling working medium which is used for cooling heating components in the bin arranged in the liquid cooling bin; the liquid cooling heat exchange device is used for cooling the liquid cooling cabin to cool the working medium; the server liquid cooling system also comprises an external heat exchanger, an internal heat exchanger and a heat exchange loop; the heat exchange loop is a closed loop and is used for connecting the heat exchanger in the bin and the heat exchanger outside the bin in series, and a cooling working medium of the heat exchange loop flows between the heat exchanger in the bin and the heat exchanger outside the bin; the external heat exchanger is arranged outside the liquid cooling bin and is used for exchanging heat with the air of the cabinet body and cooling external heating components which are arranged in the cabinet body and are positioned outside the liquid cooling bin; the heat exchanger in the bin is arranged in the liquid cooling bin so as to cool the working medium of the heat exchange loop in the heat exchange loop through the cooling working medium of the liquid cooling bin.
The invention has the beneficial effects that: in the server liquid cooling system of the cabinet, the heating component in the cabin which can be directly contacted with the cooling working medium of the liquid cooling cabin is arranged in the liquid cooling cabin, the cooling working medium of the heat exchange loop flows between the heat exchanger in the cabin and the heat exchanger outside the cabin, the cooling working medium of the heat exchange loop passes through the heat exchanger in the cabin, so that the cooling working medium of the liquid cooling bin in the liquid cooling bin is used as the cooling working medium of the heat exchange loop for cooling, the cooled low-temperature heat exchange loop cooling working medium absorbs heat through the heat exchanger outside the bin and then reduces the temperature of the air in the cabinet body, the server liquid cooling system can cool the heating components in the liquid cooling bin and outside the liquid cooling bin simultaneously, improves the compatibility of the server liquid cooling system to the heating components, and reduces the maintenance cost of the cabinet.
Further, the opening in liquid cooling storehouse is arranged up, and the liquid cooling storehouse is sealed storehouse, heat transfer circuit from the top down inserts in the liquid cooling storehouse. The heat exchange loop is inserted into the liquid cooling bin from top to bottom, so that the heat exchanger in the bin is arranged in the liquid cooling bin, and the liquid cooling bin and the heat exchanger in the bin are convenient to install.
Furthermore, the heat exchanger outside the bin is an evaporator, the heat exchanger inside the bin is a condenser, the outlet end of the evaporator is connected with a compressor, the outlet end of the condenser is connected with a throttling device, and the compressor and the throttling device are both connected in series in the heat exchange loop. The structure that evaporimeter, throttling arrangement, condenser and compressor are established ties can make server liquid cooling system have better heat exchange efficiency, and then can improve the cooling efficiency of the outside heating element of storehouse.
Further, the server liquid cooling system further comprises a fan and a purification unit, wherein the fan is arranged in the cabinet body to realize circulation of airflow in the cabinet body, and the purification unit is used for filtering and purifying air in the cabinet body. The purifying unit can adsorb the gaseous liquid cooling cabin cooling working medium in the cabinet body so as to reduce the influence of the liquid cooling cabin cooling working medium lost from the liquid cooling cabin on the normal work of the heating components outside the cabin.
Further, the server liquid cooling system further comprises a cyclone plate liquid collector, the cyclone plate liquid collector comprises a cyclone plate and a liquid collecting tank, the cyclone plate is arranged on the air inlet side of the purification unit, and the liquid collecting tank is communicated with the liquid cooling bin. The setting of whirl board liquid trap and the position that sets up of whirl board help before liquid cooling storehouse cooling medium is absorbed, to the recovery of liquid cooling storehouse cooling medium to reduce the loss of liquid cooling storehouse cooling medium in the liquid cooling storehouse.
Further, the server liquid cooling system further comprises a heat exchange purification shell, and the fan, the purification unit and the warehouse external heat exchanger are all assembled in the heat exchange purification shell in a modularized manner, so that the heat exchange purification shell, the fan, the purification unit and the warehouse external heat exchanger form a heat exchange purification module. The structure of the heat exchange purification module is convenient for realizing the modularized installation and the disassembly of the liquid cooling system of the server in the cabinet.
Further, the server liquid cooling system further comprises a fan and a spiral-flow plate liquid collector, wherein the fan is arranged in the cabinet body to realize circulation of air flow in the cabinet body, the spiral-flow plate liquid collector comprises a spiral-flow plate and a liquid collecting tank, the liquid collecting tank is communicated with the liquid cooling bin, and the spiral-flow plate is located on the air outlet side of the heat exchanger outside the bin. In the arrangement form, the temperature of the air outlet side of the external bin heat exchanger is lower, and the cyclone plate liquid collector is arranged on the air outlet side of the external bin heat exchanger, so that the cyclone plate liquid collector can conveniently collect the liquid cooling working medium in the liquid cooling bin in the cabinet body.
Further, the liquid cooling heat transfer device is a cabinet heat exchanger arranged outside the liquid cooling bin, the liquid cooling bin is provided with a liquid inlet communicated with the cabinet heat exchanger and a liquid outlet communicated with the cabinet heat exchanger, the heat exchanger in the bin is close to the liquid outlet and is far away from the liquid inlet, and the heating component in the bin is close to the liquid inlet and is far away from the liquid outlet. The heat exchanger in the bin is arranged close to the liquid outlet and far away from the liquid inlet, so that the high-temperature liquid cooling bin cooling working medium can be conveniently discharged from the liquid outlet in time, and the influence on the heat dissipation performance of heating components in the bin is reduced; the heating components in the bin are arranged close to the liquid inlet and far away from the liquid outlet, so that the heat dissipation efficiency of the heating components in the bin can be improved.
Drawings
Fig. 1 is a simplified structural diagram of the interior of a cabinet according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a positional relationship between a liquid cooling compartment and a cabinet body in embodiment 1 of the cabinet of the present invention;
fig. 3 is a simplified internal structure diagram of the cabinet according to embodiment 2 of the present invention;
in fig. 1 and 2: 1-a cabinet body, 2-a liquid cooling bin, 3-a liquid cooling bin cooling working medium, 4-a server, 5-a network device, 6-a plate heat exchanger, 7-a liquid inlet, 8-a liquid outlet, 9-a circulating pump, 10-a liquid outlet pipe, 11-a filtering device, 12-an evaporator, 13-a condenser, 14-a sealing plate, 15-a compressor, 16-a capillary throttle valve, 17-a fan, 18-a purification unit and 19-a spiral-flow plate liquid collector;
in fig. 3: 20-liquid cooling bin, 21-server, 22-network equipment, 23-circulating pump, 24-plate heat exchanger, 25-cabinet body and 26-liquid cooling bin cooling working medium.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
Embodiment 1 of the cabinet of the present invention:
as shown in fig. 1 and 2, the cabinet includes a cabinet body 1 and a cabinet door, and a server 4 and a server liquid cooling system are disposed in the cabinet body 1. In this embodiment, the server liquid cooling system is including setting up the liquid cooling storehouse 2 in the cabinet body 1, and liquid cooling storehouse 2 is located the intermediate position of the cabinet body 1, is equipped with the clearance between the lateral wall in liquid cooling storehouse 2 and the lateral wall of the cabinet body 1 to supply the air cycle in the cabinet body 1.
The opening in liquid cooling storehouse 2 up, be provided with liquid cooling storehouse cooling medium 3 in the liquid cooling storehouse 2, liquid cooling storehouse cooling medium 3 is single-phase coolant liquid, the open position department in liquid cooling storehouse 2 is provided with closing plate 14, set up the opening on this closing plate 14, be used for supplying server 4 from the top down cartridge to go into in the liquid cooling storehouse 2, and make 4 half submergions of server in liquid cooling storehouse cooling medium 3, through the sealed cooperation of sealing material between server 4 and the closing plate 14, so that liquid cooling storehouse 2 is the sealed storehouse, reduce the gas of volatilizing from 3 departments of liquid cooling storehouse cooling medium.
In this embodiment, the cabinet 1 is further provided with a network device 5 horizontally spaced from the liquid cooling chamber 2, and the network device 5 includes a heat generating component disposed in a housing of the network device, where the heat generating component includes a UPS and a switch.
The server 4 comprises a heating part arranged in a server shell, the heating part immersed below the liquid level of the liquid cooling bin cooling working medium 3 in the server 4 is a heating part in the bin, and the heating part in the bin can be cooled by directly contacting the liquid cooling bin cooling working medium 3; heating components above the liquid level of the liquid cooling working medium 3 in the liquid cooling bin in the server 4 and heating components in the network equipment 5 are all heating components outside the bin, and the heating components outside the bin can not be cooled by directly contacting with the liquid cooling working medium 3 in the liquid cooling bin. The off-bay heat generating components located in the server 4 include fans and mechanical hard disks.
As shown in fig. 1, the liquid cooling system of the server further includes a liquid cooling heat exchanger, which is connected to the liquid cooling chamber 2 to cool the liquid cooling chamber to cool the working medium 3. The liquid cooling heat exchange device comprises a cabinet heat exchanger arranged in the cabinet body 1, the cabinet heat exchanger is a plate heat exchanger 6, a liquid inlet 7 communicated with the plate heat exchanger 6 and a liquid outlet 8 communicated with the plate heat exchanger 6 are arranged on the liquid cooling bin 2, a circulating pump 9 is connected between the liquid outlet 8 of the liquid cooling bin 2 and the plate heat exchanger 6, and the circulating pump 9 is arranged in the cabinet body 1 so that the liquid cooling bin cooling working medium 3 circularly flows between the liquid cooling bin 2 and the plate heat exchanger 6. A liquid outlet pipe 10 is arranged at the liquid outlet 8, the liquid outlet pipe 10 extends upwards and is close to the liquid level of the liquid cooling bin cooling working medium 3, and a filtering device 11 is arranged at the top of the liquid outlet pipe 10 to prevent impurities in the liquid cooling bin cooling working medium 3 from entering the plate type heat exchanger 6 to influence the normal work of the plate type heat exchanger 6.
In this embodiment, as shown in fig. 1, the server liquid cooling system further includes an external heat exchanger, an internal heat exchanger and a heat exchange loop, the heat exchange loop is disposed in the cabinet 1 and is a closed loop, a heat exchange loop cooling medium is disposed therein, the heat exchange loop is used for connecting the external heat exchanger and the internal heat exchanger in series, the external heat exchanger is disposed outside the liquid cooling compartment 2, the internal heat exchanger is disposed in the liquid cooling compartment 2, the heat exchange loop cooling medium exchanges heat through the external heat exchanger to reduce the temperature of the air in the cabinet 1, thereby cooling and cooling the external heat generating components disposed in the cabinet 1 and outside the liquid cooling compartment, and avoiding disposing the external heat generating components in the liquid cooling compartment 2, the server liquid cooling system of the cabinet in this embodiment can cool the internal heat generating components in the liquid cooling compartment and the external heat generating components outside the liquid cooling compartment at the same time, thereby improving the compatibility between the server liquid cooling system and the heat generating components, thereby reducing the maintenance cost of the cabinet.
In the embodiment, a high-temperature heat exchange loop cooling working medium formed after heat exchange in the heat exchanger outside the warehouse enters the heat exchanger inside the warehouse along the heat exchange loop, and then in the heat exchanger inside the warehouse, the liquid cooling warehouse cooling working medium 3 in the liquid cooling warehouse 2 cools the high-temperature phase heat exchange loop cooling working medium, so that the circulating reciprocating work of the heat exchange loop cooling working medium in the heat exchange loop is realized.
In this embodiment, inlet 7 and liquid outlet 8 set up the bottom at liquid cooling storehouse 2, heat transfer circuit from the top down cartridge goes into in liquid cooling storehouse 2, so that the interior heat exchanger of storehouse is located liquid cooling storehouse 2, be convenient for the installation of liquid cooling storehouse 2 and interior heat exchanger of storehouse, the interior heat exchanger submergence of storehouse is in liquid cooling storehouse cooling medium 3 in liquid cooling storehouse 2, the interior heat exchanger of storehouse is close to liquid outlet 8 and keeps away from inlet 7 and arranges, the high temperature liquid cooling storehouse cooling medium 3 that is convenient for produce through the heat exchange of the interior heat exchanger of storehouse in time discharges from liquid outlet 8, reducible influence to the interior heat dissipation performance of the interior heat generating part in the liquid cooling storehouse 2, server 4 is close to inlet 7 and keeps away from liquid outlet 8 and arranges, can improve the heat dissipation efficiency of the interior heat generating part in.
Specifically, the heat exchanger outside the warehouse is evaporator 12, and evaporator 12 adopts the C type copper pipe aluminum fin structure to have sufficient heat transfer ability in the narrow and small space of the cabinet body 1, the surface of copper pipe aluminum fin plates hydrophilic and anticorrosive coating moreover, with the unit air volume and the life of guaranteeing evaporator 12. The heat exchanger in the storehouse is the condenser 13, and the condenser 13 adopts copper spiral tube structural style, can improve condenser 13 and liquid cooling storehouse cooling medium 3's area of contact, improves the heat exchange efficiency of heat exchanger in the storehouse.
In this embodiment, as shown in fig. 1, the cooling working medium of the heat exchange loop in the heat exchange loop is freon, the heat exchange loop is further connected in series with a compressor 15 and a throttling device, the throttling device is a capillary throttling valve 16, the compressor 15 is used for compressing the low-temperature low-pressure gaseous freon output from the evaporator 12 into high-temperature high-pressure gaseous freon, so as to liquefy the high-temperature high-pressure gaseous freon in the condenser 13, in this embodiment, the compressor 15 is a micro compressor 15 with small volume and light weight, the compressor 15 is powered by direct current, and there is substantially no vibration during the working process. The capillary throttle valve 16 is used for reducing the pressure of the high-pressure Freon liquid output from the condenser 13 and then outputting the low-pressure Freon liquid from the outlet of the capillary throttle valve 16 so as to realize the gasification of the low-pressure Freon liquid in the evaporator 12.
In this embodiment, as shown in fig. 1, the server liquid cooling system further includes a fan 17, the fan 17 is an axial flow fan with dc power supply, low wind pressure and large wind volume, and the horizontal induced air mode is used to realize circulation of air flow in the cabinet 1, as shown by arrows in fig. 1, so as to improve the cooling efficiency of heat generating components outside the warehouse. The heat exchanger outside the bin is arranged on the air inlet side of the fan 17 to accelerate the circulation of the air flow in the cabinet body 1.
In this embodiment, as shown in fig. 1, the liquid cooling system of the server further includes a purifying unit 18, and the purifying unit 18 can adsorb the gaseous liquid cooling working medium 3 in the cabinet 1, so as to reduce the influence of the liquid cooling working medium 3 running off from the liquid cooling chamber 2 on the normal operation of the heat generating components outside the chamber. Specifically, purification unit 18 sets up in the side of induced draft of fan 17, and is located between fan 17 and the outer heat exchanger of storehouse to reduce the influence of purification unit 18 to the internal airflow velocity of cabinet 1, purification unit 18 is the active carbon, and the active carbon has better adsorption to gaseous state liquid cooling storehouse cooling working medium 3 in the cabinet body 1.
In this embodiment, as shown in fig. 1, the server liquid cooling system further includes a cyclone plate liquid collector 19, the cyclone plate liquid collector 19 includes a cyclone plate and a liquid collecting tank, the cyclone plate is disposed on the air inlet side of the purifying unit 18, and is disposed between the purifying unit 18 and the heat exchanger outside the warehouse, the air outlet side of the heat exchanger outside the warehouse is disposed, the liquid cooling warehouse cooling medium 3 liquefied under the action of the heat exchanger outside the warehouse is collected, the collection of the cyclone plate liquid collector 19 on the liquid cooling warehouse cooling medium 3 in the cabinet body 1 is facilitated, the liquid collecting tank is used for receiving the liquid cooling warehouse cooling medium 3 collected by the cyclone plate, and the liquid cooling warehouse cooling medium 3 is guided into the liquid cooling warehouse 2 through the guide pipe, thereby reducing the loss of the liquid cooling warehouse cooling medium 3 in the server liquid cooling system.
In this embodiment, server liquid cooling system is still including fixing the heat transfer purification casing in the cabinet body, fan 17, purification unit 18, whirl board liquid trap 19 and evaporimeter 12 all assemble in the heat transfer purification casing, so that the heat transfer purifies the casing, fan 17, purification unit 18, whirl board liquid trap 19 and evaporimeter 12 form the heat transfer and purify the module, realize fan 17, purification unit 18, whirl board liquid trap 19 and the modularization assembly of evaporimeter 12 in the cabinet body, be convenient for realize server liquid cooling system's modularization installation and dismantlement in the rack.
it differs from example 1 in that: as shown in fig. 3, the upper opening of the liquid cooling chamber 20 is arranged, the server 21 is half immersed in the cooling medium 26 of the liquid cooling chamber, the network device 22 is arranged above the liquid cooling chamber 20, and the heat exchange loop is inserted into the liquid cooling chamber 20 along the horizontal direction. The liquid cooling heat transfer device sets up in liquid cooling storehouse 20, liquid cooling heat transfer device is cooling coil (not shown), the cooling coil submergence is in liquid cooling storehouse cooling medium 26, be provided with the coolant liquid in the cooling coil, internal circulating pump 23 and the plate heat exchanger 24 of being provided with of cabinet 25, plate heat exchanger 24 is connected with the external dry cooler of cabinet 25, circulating pump 23, plate heat exchanger 24 and cooling coil establish ties, in order to take away the heat in plate heat exchanger 24 through dry cooler, and realize the cooling of coolant liquid in the cooling coil through plate heat exchanger 24, and then make the coolant liquid after the cooling reduce the temperature of liquid cooling storehouse cooling medium 26 in liquid cooling storehouse 20.
In other embodiments, the cabinet body may not be provided with network equipment, and the circulating air in the cabinet body only cools the heating components outside the cabinet, which are arranged in the server and above the liquid level of the liquid cooling working medium in the liquid cooling cabinet.
Embodiment 3 of the cabinet of the present invention:
it differs from example 1 in that: all submergence of server is in liquid cooling storehouse liquid cooling working medium, and the part that generates heat in the storehouse that the accessible was cooled down with the mode direct contact of liquid cooling storehouse liquid cooling working medium in the server is the part that generates heat outside the storehouse in the network equipment, and the circulating air in the cabinet body only cools down the outside of the storehouse that sets up in the network equipment that generates heat the part that generates heat.
it differs from example 1 in that: a spraying type liquid cooling mode is adopted in the liquid cooling bin, the heat exchange loop is inserted into the liquid cooling bin along the horizontal direction, so that the heat exchanger in the bin is located in the liquid cooling bin, and the heat exchanger in the bin is not immersed in the cooling working medium of the liquid cooling bin but is located in the spraying range of the cooling working medium of the liquid cooling bin.
it differs from example 1 in that: the heat exchanger in the bin is close to the liquid inlet of the liquid cooling bin and is far away from the liquid outlet, so that the heat exchange efficiency of the heat exchanger in the bin can be improved.
it differs from example 1 in that: the liquid cooling heat exchange device is arranged in the liquid cooling bin, the liquid cooling heat exchange device is a cooling coil, the cooling coil is immersed in cooling working media in the liquid cooling bin, cooling liquid is arranged in the cooling coil, a circulating pump and a plate type heat exchanger are arranged in the cabinet body, the plate type heat exchanger is connected with a dry cooler outside the cabinet body, the circulating pump, the plate type heat exchanger and the cooling coil are connected in series, heat in the cabinet body heat exchanger is taken away through the dry cooler, cooling of the cooling liquid in the cooling coil is achieved through the plate type heat exchanger, and therefore the cooling liquid after low temperature reduces the temperature of the cooling working media in the liquid cooling bin.
it differs from example 1 in that: the heat exchanger is condenser coil in the storehouse, the heat exchanger is the heat transfer board outside the storehouse, be provided with the liquid pump between heat transfer board and the condenser coil, the liquid outlet that condenser coil is close to the liquid cooling storehouse is kept away from the inlet in liquid cooling storehouse, be provided with the coolant liquid in the return circuit that condenser coil, liquid pump and heat transfer board establish ties and form, the coolant liquid of condensing coil of flowing through is exothermic, the coolant liquid heat absorption of heat transfer board flows through to build low temperature environment at the internal of cabinet, realize being the cooling of the external heating component in internal storehouse of cabinet.
it differs from example 1 in that: a fan is not arranged in a server liquid cooling system, and the cooling of heating components outside the warehouse is realized only by utilizing the low-temperature environment built in the cabinet body by the heat exchanger outside the warehouse.
Embodiment 9 of the cabinet of the present invention:
it differs from example 1 in that: under the condition that the liquid cooling bin has good sealing performance, a purification unit is not arranged in the server liquid cooling system, and a cyclone plate liquid collector is not arranged in the corresponding server liquid cooling system.
In other embodiments, the server liquid cooling system is only provided with a cyclone plate liquid collector and is not provided with a purification unit; or in other embodiments, only the purification unit is arranged in the server liquid cooling system, and the cyclone plate liquid collector is not arranged.
it differs from example 1 in that: the outer bin heat exchanger is arranged on the air outlet side of the fan, the cyclone plate is positioned on the air outlet side of the outer bin heat exchanger, and the purification unit is arranged on the air outlet side of the cyclone plate liquid collector; or the cyclone plate liquid collector, the purification unit, the heat exchanger outside the bin and the fan are arranged in sequence along the air outlet direction of the fan in other embodiments.
it differs from example 1 in that: the purifying unit is a filter screen, and gaseous liquid cooling cabin cooling working media in the cabinet body are adsorbed by the filter screen; or in other embodiments, the air in the cabinet can be purified by electrostatic adsorption.
it differs from example 1 in that: the cabinet body heat exchanger is a shell-and-tube heat exchanger which is communicated with a cooling tower outside the cabinet body, so that the liquid cooling cabin cooling working medium passing through the shell-and-tube heat exchanger is cooled by cooling liquid entering the shell-and-tube heat exchanger from the cooling tower.
Embodiment of the cabinet of the present invention 13:
it differs from example 1 in that: the throttling device is an electronic expansion valve. In other embodiments, the restriction device may also be an electronic expansion valve, a manually adjustable valve, or a float valve.
The liquid cooling system of the invention has the following specific implementation modes:
the structure of the liquid cooling system of the present invention is the same as that of the server liquid cooling system in embodiments 1 to 13 of the above-mentioned cabinet, and details are not described here.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (10)
1. A liquid cooling system, comprising:
the liquid cooling bin is arranged in the cabinet body and used for containing a liquid cooling bin cooling working medium which is used for cooling heating components in the bin arranged in the liquid cooling bin;
the liquid cooling heat exchange device is used for cooling the liquid cooling cabin to cool the working medium;
the liquid cooling system also comprises an external heat exchanger, an internal heat exchanger and a heat exchange loop;
the heat exchange loop is a closed loop and is used for connecting the heat exchanger in the bin and the heat exchanger outside the bin in series, and a cooling working medium of the heat exchange loop flows between the heat exchanger in the bin and the heat exchanger outside the bin;
the external heat exchanger is arranged outside the liquid cooling bin and is used for exchanging heat with air in the cabinet body and cooling external heating components which are arranged in the cabinet body and are positioned outside the liquid cooling bin;
the heat exchanger in the bin is arranged in the liquid cooling bin so as to cool the working medium of the heat exchange loop in the heat exchange loop through the cooling working medium of the liquid cooling bin.
2. The liquid cooling system of claim 1, wherein the liquid cooling chamber is disposed with an opening facing upward, the liquid cooling chamber is a sealed chamber, and the heat exchange loop is inserted into the liquid cooling chamber from top to bottom.
3. The liquid cooling system of claim 1 or 2, wherein the external heat exchanger is an evaporator, the internal heat exchanger is a condenser, an outlet end of the evaporator is connected with a compressor, an outlet end of the condenser is connected with a throttling device, and the compressor and the throttling device are both connected in series in the heat exchange loop.
4. The liquid cooling system of claim 1 or 2, further comprising a blower for being disposed within the cabinet body to circulate air flow within the cabinet body, and a purification unit for filtering and purifying air within the cabinet body.
5. The liquid cooling system of claim 4, further comprising a spin plate liquid trap, the spin plate liquid trap comprising a spin plate and a liquid trap, the spin plate being disposed on an air intake side of the purification unit, the liquid trap being in communication with the liquid cooling chamber.
6. The liquid cooling system of claim 4, further comprising a heat exchange purification housing, wherein the fan, the purification unit, and the ex-bin heat exchanger are all assembled within the heat exchange purification housing such that the heat exchange purification housing, the fan, the purification unit, and the ex-bin heat exchanger form a heat exchange purification module.
7. The liquid cooling system of claim 1 or 2, further comprising a fan and a spin plate liquid collector, wherein the fan is disposed in the cabinet to circulate air flow in the cabinet, the spin plate liquid collector comprises a spin plate and a liquid collecting tank, the liquid collecting tank is communicated with the liquid cooling chamber, and the spin plate is located on an air outlet side of the heat exchanger outside the chamber.
8. The liquid cooling system of claim 1 or 2, wherein the liquid cooling heat exchange device is a cabinet heat exchanger disposed outside the liquid cooling compartment, the liquid cooling compartment has an inlet communicating with the cabinet heat exchanger and an outlet communicating with the cabinet heat exchanger, and the heat exchanger is disposed near the outlet and far away from the inlet.
9. The utility model provides a cabinet, includes the cabinet body, its characterized in that, the internal:
a server including heat generating components in the warehouse;
a server liquid cooling system, the server liquid cooling system being the liquid cooling system of any one of claims 1 to 7.
10. The cabinet of claim 9, wherein the liquid-cooled heat transfer device is a cabinet heat exchanger disposed outside the liquid-cooled bin, the liquid-cooled bin having an inlet communicating with the cabinet heat exchanger and an outlet communicating with the cabinet heat exchanger, the in-bin heat exchanger being disposed proximate to the outlet and distal from the inlet, and the in-bin heat generating component being disposed proximate to the inlet and distal from the outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010067803.4A CN111065251A (en) | 2020-01-20 | 2020-01-20 | Cabinet and liquid cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010067803.4A CN111065251A (en) | 2020-01-20 | 2020-01-20 | Cabinet and liquid cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111065251A true CN111065251A (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010067803.4A Pending CN111065251A (en) | 2020-01-20 | 2020-01-20 | Cabinet and liquid cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111065251A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112672611A (en) * | 2020-12-25 | 2021-04-16 | 佛山市液冷时代科技有限公司 | Server cabinet liquid cooling system combined with shell-and-tube heat exchanger and control method |
| CN113207265A (en) * | 2021-04-29 | 2021-08-03 | Oppo广东移动通信有限公司 | Heat dissipation device and electronic device |
| CN115315165A (en) * | 2022-10-10 | 2022-11-08 | 徐州赛威机械制造科技有限公司 | Self-regulation rotary heat dissipation shell for electronic product |
| CN116615014A (en) * | 2023-07-19 | 2023-08-18 | 常州贺斯特科技股份有限公司 | Cooling system, cooling method, and information processing facility |
-
2020
- 2020-01-20 CN CN202010067803.4A patent/CN111065251A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112672611A (en) * | 2020-12-25 | 2021-04-16 | 佛山市液冷时代科技有限公司 | Server cabinet liquid cooling system combined with shell-and-tube heat exchanger and control method |
| CN113207265A (en) * | 2021-04-29 | 2021-08-03 | Oppo广东移动通信有限公司 | Heat dissipation device and electronic device |
| CN113207265B (en) * | 2021-04-29 | 2022-11-15 | Oppo广东移动通信有限公司 | Heat dissipation device and electronic device |
| CN115315165A (en) * | 2022-10-10 | 2022-11-08 | 徐州赛威机械制造科技有限公司 | Self-regulation rotary heat dissipation shell for electronic product |
| CN116615014A (en) * | 2023-07-19 | 2023-08-18 | 常州贺斯特科技股份有限公司 | Cooling system, cooling method, and information processing facility |
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Address after: No. 1666, Jinlong street, economic and Technological Development Zone, Xuchang City, Henan Province Applicant after: Henan Jingrui Cooling Technology Co.,Ltd. Address before: Xuchang City, Henan province 461000 Sunshine Avenue XJ Electric City Building 2 Applicant before: XUCHANG XUJI JINGRUI TECHNOLOGY Co.,Ltd. |
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