CN108401394A - A kind of liquid cooling system - Google Patents
A kind of liquid cooling system Download PDFInfo
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- CN108401394A CN108401394A CN201710068384.4A CN201710068384A CN108401394A CN 108401394 A CN108401394 A CN 108401394A CN 201710068384 A CN201710068384 A CN 201710068384A CN 108401394 A CN108401394 A CN 108401394A
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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
- H05K7/2079—Liquid cooling without phase change within rooms for removing heat from cabinets
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Abstract
The present invention provides a kind of liquid cooling systems, including：Outer circulation cooling water system,Liquid cooling temperature control system,Liquid cooling maintenance unit and liquid cooling allocation unit,The low-temperature cooling water in cooling tower in outer circulation cooling water system initially enters the first inlet tube of plate heat exchanger in liquid cooling temperature control system by outlet tube,The water temperature of cooling water is controlled by plate heat exchanger,Cooling water after regulation and control then enters each liquid cooling maintenance unit by hose,Liquid cooling maintenance unit relies on built-in monitoring unit,Acquisition in real time,Monitor system data,Cooling water temperature control is carried out by these data feedbacks to liquid cooling temperature control system,To realize that liquid cooling system is stablized,Cooling water after liquid cooling maintenance unit realizes data acquisition is subsequently into liquid cooling allocation unit corresponding with liquid cooling maintenance unit,Liquid cooling allocation unit is shunted to entering the cooling water in each server of cabinet,Ensure the uniform liquid separation of each server traffic,Ensure each server Homogeneouslly-radiating.
Description
Technical field
The present invention relates to liquid cooling technology fields, and in particular to a kind of liquid cooling system.
Background technology
Traditional data center machine room is cooled down to server with air-conditioning, and a data center machine room needs are mating very
More air-conditionings send cold wind by air-conditioning, and then internal element CPU in server, the heat of memory, north and south bridge, mainboard is taken away, because
It is very high for CPU calorific values, just as immersion heater, so we need a large amount of and terribly cold wind to server radiating, so needing
The electricity wanted is very high, and traditional data center, server power consumption 100KW, air-conditioner power consumption is probably in 60KW-100KW, especially
Power consumption.
And as electronic component integrated level improves, volume is constantly reduced, and performance is constantly promoted, and the function of chip is close
Degree is also increasing, and traditional wind-cooling heat dissipating mode cannot meet growing radiating requirements.Liquid cooling technology with
Its efficient radiating efficiency provides new solution for high heat flux density dissipation from electronic devices, and data center,
The expansion application of the multiple fields such as server, individual PC.
The Chinese patent of Publication No. CN105491862A disclose " a kind of liquid cooling apparatus for data center's cabinet,
Liquid cooling cabinet and liquid cooling system ", the liquid cooling system pass through end radiator coil tube set on the air side of cabinet, unicom cooler
Delivery outlet and the liquid supply pipe of the input port of multiple end radiator coil tubes, the delivery outlet and cooler of the multiple end radiator coil tubes of unicom
Input port liquid back pipe and for conveying coolant liquid by liquid supply pipe terminad radiator coil tube and cooling from end heat dissipation plate
The cooler for the coolant liquid that pipe flows back through liquid back pipe forms cooling liquid circulation circuit, and the detection for detecting pressure is arranged in liquid supply pipe
Component, and press component according to the pressure of detection by ginseng, adjusts absolute pressure in liquid supply pipe to subatmospheric power, so as to
To prevent water from suffering from, the watertight reliability of data center machine room is improved.But the liquid cooling system has still used a large amount of fans to cold
But water cools down, and energy-saving effect is not obvious；Secondly, the distribution of cooling water fully relies on pipeline pressure in the system, cannot
Smart allocation is carried out according to the concrete condition of each cabinet in computer room, the inhomogeneous cooling of different cabinets in data center may be caused
It is even.
Invention content
In view of the deficiencies of the prior art, the present invention proposes a kind of liquid cooling system, this liquid cooling system is cooled down by outer circulation
Cooperation between water system, liquid cooling temperature control system, liquid cooling maintenance unit and liquid cooling allocation unit walks data by Natural Water cold belt
The a large amount of thermal energy generated in each cabinet in central machine room, and can be according to intelligently dividing the case where different heat cabinet in computer room
It is measured with cold night, can ensure that each cabinet uniformly cools down in data center machine room while saving energy consumption, it is ensured that data center's machine
The normal operation in room.
To realize above-mentioned technical proposal, the present invention provides a kind of liquid cooling systems, including：Outer circulation cooling water system, institute
It includes emergence compensating water case, the first cooling tower and the second cooling tower, first cooling tower and second to state outer circulation cooling water system
The structure of cooling tower is identical, and quick water supply pipe is both provided on first cooling tower and the second cooling tower and automatic water supplement is managed,
The water outlet of the emergence compensating water case is connected respectively to the quick water supply pipe on the first cooling tower and the second cooling tower by pipeline
With automatic water supplement manage, between the first cooling tower outlet tube and the second cooling tower outlet tube and the first cooling tower inlet tube with
It is connected respectively by pipeline between second cooling tower inlet tube, valve is additionally provided in the connecting pipe；Two independent liquid
Cold temperature control system, each liquid cooling temperature control system include a plate heat exchanger, the inlet tube and outlet tube point of the first cooling tower
It is not connect with the first outlet tube of plate heat exchanger and the first inlet tube in one of liquid cooling temperature control system, the second cooling tower
Inlet tube and outlet tube connect with the first outlet tube of plate heat exchanger in another liquid cooling temperature control system and the first inlet tube respectively
It connects；It is multiple to be divided to two groups and symmetrical liquid cooling maintenance unit up and down, the liquid cooling maintenance unit along cooling water main flow direction
The first inlet tube and the first outlet tube respectively by the second outlet tube of plate heat exchanger in hose and liquid cooling temperature control system and
Second inlet tube connects；It is multiple with the one-to-one liquid cooling allocation unit of liquid cooling maintenance unit, the liquid cooling allocation unit into
Liquid pipe and outlet tube respectively in liquid cooling maintenance unit the second outlet tube and the second inlet tube connect.
In the above-mentioned technical solutions, outer circulation cooling water system is described to follow outside mainly including external circulation line and cooling tower
Endless tube road is mainly water pump and pipeline composition, and variable frequency pump allows outer circulation to remain operational as outer circulation power source；Cooling tower
Effect is to provide low-temperature receiver for whole system, when two parallel arrangement of first cooling towers and the second cooling tower work normally, wherein
One cooling tower works normally that another is spare, and emergence compensating water case is used to be cooling tower moisturizing, prevents water level mistake in cooling tower
It is low that cooling efficiency is caused to decline.The heat of interior cycle is changed by plate and passes to outer circulation by liquid cooling temperature control system, liquid cooling temperature control list
Member is mainly made of constant pressure difference control and thermostatic control two systems.Internal circulation water pump and two-port valve inner loop are for return water pressure difference
It is adjusted, external circulation water pump, triple valve and cooling tower inner loop supply water temperature are adjusted.Liquid cooling maintenance unit mainly according to
By built-in monitoring unit, acquisition in real time, monitoring system data, including cabinet inlet flow rate and pressure, cabinet outlet pressure
And temperature is further adjusted to realize that liquid cooling system is steady by temperature conditioning unit by these data feedbacks to operating system
It is fixed.Liquid cooling allocation unit main function is shunted to entering the cooling water in each server of cabinet, ensures each service
Device uniform flow liquid separation ensures each server Homogeneouslly-radiating.
The workflow of this liquid cooling system is：In outer circulation cooling water system in the first cooling tower or the second cooling tower
Low-temperature cooling water initially enters the first inlet tube of plate heat exchanger in liquid cooling temperature control system by outlet tube, passes through plate-type heat-exchange
Device controls the water temperature of cooling water, and the cooling water after regulation and control then enters each liquid cooling maintenance unit, liquid cooling dimension by hose
Protect unit rely on built-in monitoring unit, in real time acquisition, monitoring system data, by these data feedbacks to liquid cooling temperature control system into
Row cooling water temperature controls, to realize that liquid cooling system is stablized.Cooling water after liquid cooling maintenance unit realizes data acquisition
Subsequently into liquid cooling allocation unit corresponding with liquid cooling maintenance unit, liquid cooling allocation unit is to entering in each server of cabinet
Cooling water is shunted, and ensures the uniform liquid separation of each server traffic, ensures each server Homogeneouslly-radiating.Due to each cabinet
All be correspondingly arranged liquid cooling maintenance unit and liquid cooling allocation unit, thus can according in computer room the case where different heat cabinet it is intelligent
Cold night amount is distributed, can ensure that each cabinet uniformly cools down in data center machine room while saving energy consumption, it is ensured that data center
The normal operation of each cabinet in computer room.
Preferably, first cooling tower and the second cooling tower structure is identical and parallel setting, first cooling tower
The upper end of body is provided with overflow pipe, and the lower section of the overflow pipe is arranged drainpipe, first cooling tower and the second cooling tower
It is mounted on temperature sensing device on inlet tube, frequency conversion is mounted on the outlet tube of first cooling tower and the second cooling tower
It is mounted on the second drain valve on the inlet tube and outlet tube of water pump, first cooling tower and the second cooling tower.System is normal
When operation, the first cooling tower normal work, the second cooling tower is spare, and emergence compensating water case is managed by quick water supply pipe and automatic water supplement
For cooling tower moisturizing, prevent in cooling tower that water level is too low to cause cooling efficiency to decline, overflow pipe is for ensureing liquid level in cooling tower
Constant, temperature sensor enters the temperature before cooling tower for measuring cooling water, to adjust the height of liquid level in cooling tower, into
And ensure the cooling efficiency of cooling water.Water pump is for the cooling water in cooling tower to be delivered in plate heat exchanger.
Preferably, the structure of described two independent liquid cooling temperature control systems is identical, board-like in the liquid cooling temperature control system to change
Electric three passes flow divider, the electric three passes point are provided on the pipeline that first outlet tube of hot device is connect with cooling tower inlet tube
The third port of stream valve is connected to by pipeline on the pipeline that the first inlet tube of plate heat exchanger is connect with cooling tower outlet tube,
Filter is installed, the rear end of filter is equipped with automatic exhaust steam valve, the plate on the first inlet tube of the plate heat exchanger
Variable frequency pump is installed, the front end of the variable frequency pump is equipped with check valve, the frequency conversion on the second inlet tube of formula heat exchanger
The rear end of water pump is equipped with water tank.Liquid cooling temperature control system relies primarily on the heat exchange efficiency of control plate heat exchanger, and control is board-like to change
The temperature of cooling water and recycle-water in the first outlet tube of hot device and the second outlet tube, can be adjusted cold by electric three passes flow divider
But water enters the temperature before plate heat exchanger, when cooling water temperature is too low before entering plate heat exchanger, can open electronic three
Logical flow divider branches to the recycle-water after heat exchange is appropriate in cooling water, improves the temperature of cooling water.Filter is for filtering out
Impurity in cooling water prevents impurity fouling on plate heat exchanger, variable frequency pump to be used to that heat exchange will to be passed through in plate heat exchanger
Cooling water be delivered to liquid cooling maintenance unit, automatic exhaust steam valve is used for air that may be present in cooling water, check valve to be discharged
It flows back in preventing cooling water.
Preferably, including six groups are divided to two groups and symmetrical liquid cooling maintenance unit up and down along cooling water main flow direction,
The structure of each liquid cooling maintenance unit is identical, includes four hose couplings for being rectangle distribution, the left side parallel distributed
Hose coupling between connected by pipeline, connected also by pipeline between the hose coupling of the right side parallel distributed, it is described
Pressure sensor and flow sensor are installed in the connecting pipe of left side, pressure sensing is installed in the right side connecting pipe
Device, thermometer and temperature sensor.
Preferably, the hose coupling in the lower left corner goes out by the second of hose and plate heat exchanger in the liquid cooling maintenance unit
Liquid pipe connects, and the hose coupling in the lower right corner is connected by the second inlet tube of hose and plate heat exchanger in the liquid cooling maintenance unit
It connects, the hose coupling in the upper left corner is connect by hose with the inlet tube in liquid cooling allocation unit in the liquid cooling maintenance unit, institute
The hose coupling for stating the upper right corner in liquid cooling maintenance unit is connect by hose with the outlet tube in liquid cooling allocation unit.Liquid cooling temperature control
The hose coupling entrance in cooling water lower left corner from liquid cooling maintenance unit that variable frequency pump conveys in system, and from the upper left corner
Hose coupling export to liquid cooling allocation unit, connected by being mounted between lower left corner hose coupling and upper left corner hose coupling
The pressure before pressure sensor and flow sensor acquisition cooling water inflow liquid cooling allocation unit, data on flows on pipeline, together
When recycle-water after exchanging heat with cabinet by the hose coupling in the upper right corner into being back to liquid cooling maintenance unit again, and from the right side
The hose coupling of inferior horn is expelled to the second inlet tube in liquid cooling temperature control system, by being mounted on lower right corner hose coupling and upper right
Pressure sensor, thermometer and temperature sensor acquisition between the hose coupling of angle in connecting pipe is cold after exchanging heat with cabinet
But the pressure and temperature data of water carries out cooling water temperature control, to real by these data feedbacks to liquid cooling temperature control system
Existing liquid cooling system is stablized.
Preferably, the liquid cooling allocation unit includes the liquid cooling server of multi-set parallel setting, each liquid cooling server
Left and right ends are connected to by hose on the liquid cooling manifold being arranged at left and right sides of liquid cooling server, and sink is arranged in liquid
The bottom end of cold manifold is provided with air bleeding valve above the liquid cooling manifold, described to have air bleeding valve to be connected to water by exhaust hose
Slot, the hose coupling in the upper left corner and the upper right corner passes through hose and liquid cooling allocation unit middle left and right two respectively in liquid cooling maintenance unit
The liquid cooling manifold connections of side.From the cooling water that liquid cooling maintenance unit upper left corner hose coupling enters from liquid on the left of liquid cooling allocation unit
The lower end of cold manifold enters, and then respectively enters the liquid cooling server that multi-set parallel is arranged in cabinet by hose, and will
The amount of heat that server generates is taken out of in time, and the cooling water after heat exchange is flowed from the lower end of liquid cooling manifold on the right side of liquid cooling allocation unit
Go out, since in heat transfer process air bleeding valve may be arranged in the upper end of liquid cooling manifold, air bleeding valve is logical by thermal evaporation in cooling water
Exhaust hose connection screw clamp is crossed, to which steam to be emitted into sink, the presence of steam is avoided to influence server and cooling water
Heat exchange efficiency.
Preferably, in this system in liquid cooling allocation unit whole sinks discharge outlet by hose be connected to one it is independent
Steam is individually discharged by this drainpipe for drainpipe, prevents steam from there is the normal operation for influencing server.
The advantageous effect of a kind of liquid cooling system provided by the invention and method is：
(1) this liquid cooling system is distributed by outer circulation cooling water system, liquid cooling temperature control system, liquid cooling maintenance unit and liquid cooling
Cooperation between unit walks a large amount of thermal energy generated in each cabinet in data center machine room, Er Qieke by Natural Water cold belt
According to smart allocation cold night measures the case where different heat cabinet in computer room, can ensure data center's machine while saving energy consumption
Each cabinet uniformly cools down in room, it is ensured that the normal operation of data center machine room；
(2) this liquid cooling system have circulating water temperature control in accurate, flow automatic adjustment, water system constant pressure arrangement, oneself
The functions such as dynamic fluid infusion, intelligent monitoring, under different outdoor temperature humidity environment, liquid cooling temperature conditioning unit is according to different loads situation dynamic
The interior cyclic water outlet temperature suggestion of control is no more than 40 DEG C, each server branch water supply suggestion in 0.3~0.6L/min ranges
It is interior, and ensure computer room inner conduit, heat pipe water cooling module etc. and do not generate condensation；
(3) this liquid cooling system is by automatically adjusting the water rate control server heat pipe water cooling module Inlet and outlet water of inner-outer circulation
The temperature difference ensures that the control accuracy in the case where the limit is adjusted is not more than 1 DEG C；Each machine cabinet main conduit flow's equilibrium degree is not less than 90%；
(4) this liquid cooling system detects total flow, the disengaging of each cabinet by maintenance unit by liquid cooling maintenance unit
The hydraulic pressure of cabinet and the water temperature for going out cabinet, and by these data feedbacks to liquid cooling temperature control system, cold night temperature conditioning unit passes through constant temperature
Control system and the control of constant pressure difference control system flow into the supply water temperature and water supply flow of each server, to realize liquid cooling system
The stable operation of system.
Description of the drawings
Fig. 1 is the piping connection schematic diagram of the present invention.
Fig. 2 is the piping connection schematic diagram of China and foreign countries' recirculating cooling water system of the present invention.
Fig. 3 is the piping connection schematic diagram of liquid cooling temperature control system in the present invention.
Fig. 4 is the arrangement schematic diagram of liquid cooling allocation unit and liquid cooling maintenance unit in the present invention.
Fig. 5 is the piping connection schematic diagram of liquid cooling allocation unit in the present invention.
Fig. 6 is the piping connection schematic diagram of liquid cooling maintenance unit in the present invention.
In figure：100, outer circulation cooling water system；110, emergence compensating water case；111, water supply pipe；112, the first drain valve；
113, moisturizing main valve；120, the first cooling tower；121, overflow pipe；122, drainpipe；123, quick water supply pipe；124, it is automatically replenished
Pipe；127, flow sensor；128, the second drain valve；129, water pump；130, the second cooling tower；200, liquid cooling temperature control system；
210, plate heat exchanger；220, electric three passes flow divider；230, filter；240, automatic exhaust steam valve；250, variable frequency pump；260、
Check valve；270, water tank；300, liquid cooling allocation unit；310, liquid cooling server；320, hose；330, liquid cooling manifold；
340, air bleeding valve；350, exhaust hose；360, sink；400, liquid cooling maintenance unit；410, hose coupling；420, pressure sensing
Device；430, thermometer；440, temperature sensor；450, flow sensor；460, ball valve.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Ability
The every other embodiment that domain ordinary person is obtained without making creative work belongs to the protection of the present invention
Range.
Embodiment：A kind of liquid cooling system.
Shown in Fig. 6, a kind of liquid cooling system, including：Outer circulation cooling water system 100, the outer circulation cooling
Water system 100 includes emergence compensating water case 110, the first cooling tower 120 and the second cooling tower 130, first cooling tower 120 and the
The structure of two cooling towers 130 is identical, and quick water supply pipe 123 is both provided on first cooling tower, 120 and second cooling tower 130
With automatic water supplement pipe 124, the water outlet of the emergence compensating water case 110 is connected respectively to the first cooling tower 120 and the by pipeline
Quick water supply pipe 123 on two cooling towers 130 and automatic water supplement pipe 124,120 outlet tube of the first cooling tower and the second cooling
Connected respectively by pipeline between 130 outlet tube of tower and between 130 inlet tube of 120 inlet tube of the first cooling tower and the second cooling tower
It connects, valve is additionally provided in the connecting pipe；Further include two independent liquid cooling temperature control systems 200, each liquid cooling temperature control system
System 200 includes a plate heat exchanger 210, the inlet tube and outlet tube of the first cooling tower 120 respectively with one of liquid cooling
First outlet tube of plate heat exchanger 210 and the connection of the first inlet tube, the inlet tube of the second cooling tower 130 in temperature control system 200
Connect respectively with the first outlet tube of plate heat exchanger 210 in another liquid cooling temperature control system 200 and the first inlet tube with outlet tube
It connects；It is multiple to be divided to two groups and symmetrical liquid cooling maintenance unit 400 up and down, the liquid cooling to safeguard single along cooling water main flow direction
The first inlet tube and the first outlet tube of member 400 pass through the of plate heat exchanger 210 in hose and liquid cooling temperature control system 200 respectively
Two outlet tubes and the connection of the second inlet tube；Multiple and 400 one-to-one liquid cooling allocation unit 300 of liquid cooling maintenance unit, it is described
The inlet tube and outlet tube of liquid cooling allocation unit 300 respectively with the second outlet tube and the second feed liquor in liquid cooling maintenance unit 400
Pipe connects.
Shown in referring to Fig.1, the workflow of this liquid cooling system is：First cooling tower 120 in outer circulation cooling water system 100
Or the second low-temperature cooling water in cooling tower 130 initially enters plate heat exchanger in liquid cooling temperature control system 200 by outlet tube
210 the first inlet tube, the water temperature of cooling water is controlled by plate heat exchanger 210, and the cooling water after regulation and control then passes through
Hose enters each liquid cooling maintenance unit 400, and liquid cooling maintenance unit 400 relies on built-in monitoring unit, acquisition in real time, monitoring system
Data carry out cooling water temperature control, to realize that liquid cooling system is steady by these data feedbacks to liquid cooling temperature control system 200
It is fixed.Cooling water after liquid cooling maintenance unit 400 realizes data acquisition is subsequently into liquid corresponding with liquid cooling maintenance unit 400
Cold allocation unit 300, liquid cooling allocation unit 300 are shunted to entering the cooling water in each server of cabinet, are ensured each
The uniform liquid separation of server traffic ensures each server Homogeneouslly-radiating.Since each cabinet is correspondingly arranged liquid cooling maintenance unit
400 and liquid cooling allocation unit 300, therefore can be saved according to smart allocation cold night measures the case where different heat cabinet in computer room
It can ensure that each cabinet uniformly cools down in data center machine room while energy consumption, it is ensured that each cabinet in data center machine room
Normal operation.
With reference to shown in Fig. 2, first cooling tower 120 is identical with 130 structure of the second cooling tower and parallel setting, and described the
The upper end of one cooling tower, 120 tower body is provided with overflow pipe 121, and the lower section of the overflow pipe 121 is arranged drainpipe 122, and described the
Temperature sensing device 127, first cooling tower 120 are mounted on the inlet tube of one cooling tower 120 and the second cooling tower 130
Be mounted on water pump 129 on the outlet tube of the second cooling tower 130, first cooling tower, 120 and second cooling tower 130 into
It is mounted on the second drain valve 128 in liquid pipe and outlet tube, the first drain valve 112 is set on the emergence compensating water case 110, meets an urgent need
Moisturizing main valve 113 is set on the outlet pipe of water supply tank 110, and emergence compensating water case 110 carries out moisturizing by water supply pipe 111.System is just
Often when operation, the first cooling tower 120 normal work, the second cooling tower 130 is spare, and emergence compensating water case 110 passes through quick water supply pipe
123 and automatic water supplement pipe 124 be cooling tower moisturizing, prevent in cooling tower that water level is too low to cause cooling efficiency to decline, overflow pipe 121
For ensureing constant liquid level in cooling tower, temperature sensing sets 127 and enters the temperature before cooling tower for measuring cooling water, to adjust
The height of liquid level in cooling tower is saved, and then ensures the cooling efficiency of cooling water.Water pump 129 is used for the cooling water in cooling tower is defeated
It send into plate heat exchanger 210.
With reference to shown in Fig. 3, the structure of described two independent liquid cooling temperature control systems 200 is identical, the liquid cooling temperature control system
It is provided with electric three passes flow divider on the pipeline that first outlet tube of plate heat exchanger 210 is connect with cooling tower inlet tube in 200
220, the third port of the electric three passes flow divider 220 by pipeline be connected to the first inlet tube of plate heat exchanger 210 with
On the pipeline of cooling tower outlet tube connection, filter 230 is installed on first inlet tube of the plate heat exchanger 210, filters
The rear end of device 230 is equipped with automatic exhaust steam valve 240, and variable frequency pump is equipped on the second inlet tube of the plate heat exchanger 210
250, the front end of the variable frequency pump 250 is equipped with check valve 260, and the rear end of the variable frequency pump 250 is equipped with water tank 270.
Liquid cooling temperature control system 200 relies primarily on the heat exchange efficiency of control plate heat exchanger 210, and control plate heat exchanger 210 first goes out liquid
The temperature of cooling water and recycle-water in pipe and the second outlet tube can adjust cooling water by electric three passes flow divider 220 and enter
Temperature before plate heat exchanger 210 can open electric three passes when cooling water temperature is too low before entering plate heat exchanger 210
Flow divider 220 branches to the recycle-water after heat exchange is appropriate in cooling water, improves the temperature of cooling water.Filter 230 is used for
The impurity in cooling water is filtered out, impurity fouling on plate heat exchanger 210, variable frequency pump 250 is prevented to be used for plate heat exchanger
Cooling water in 210 by heat exchange is delivered to liquid cooling maintenance unit 400, and automatic exhaust steam valve 240 may for being discharged in cooling water
Existing air, check valve 260 is for preventing cooling water from flowing back.
With reference to shown in Fig. 4 and Fig. 6, this liquid cooling system includes six groups and be divided to two groups and symmetrically up and down along cooling water main flow direction
The structure of the liquid cooling maintenance unit 400 of distribution, each liquid cooling maintenance unit 400 is identical, is rectangle distribution including four
Hose coupling 410 is connected by pipeline between the hose coupling 410 of the left side parallel distributed, the right side parallel distributed
It is connected also by pipeline between hose coupling 410, pressure sensor 420 and flow sensing is installed in the left side connecting pipe
Device 450 and ball valve 460 are equipped with pressure sensor 420, thermometer 430 and temperature sensor in the right side connecting pipe
440.The hose coupling 410 in the lower left corner goes out liquid by the second of hose and plate heat exchanger 210 in the liquid cooling maintenance unit 400
Pipe connects, and the hose coupling 410 in the lower right corner passes through hose and the second of plate heat exchanger 210 in the liquid cooling maintenance unit 400
Inlet tube connects, and the hose coupling 410 in the upper left corner passes through hose and liquid cooling allocation unit 300 in the liquid cooling maintenance unit 400
In inlet tube connection, the hose coupling 410 in the upper right corner passes through hose and liquid cooling allocation unit in the liquid cooling maintenance unit 400
Outlet tube connection in 300.The cooling water that variable frequency pump 250 conveys in liquid cooling temperature control system 200 is from liquid cooling maintenance unit
The hose coupling 410 in the lower left corner enters in 400, and from the output of the hose coupling in the upper left corner 410 to liquid cooling allocation unit 300, leads to
It crosses mounted on the pressure sensor 420 and stream between lower left corner hose coupling 410 and upper left corner hose coupling 410 in connecting pipe
Quantity sensor 450 acquires the pressure before cooling water flows into liquid cooling allocation unit 300, data on flows, while by exchanging heat with cabinet
Recycle-water afterwards by the hose coupling 410 in the upper right corner into being back to liquid cooling maintenance unit 400 again, and from the hose in the lower right corner
Connector 410 is expelled to the second inlet tube in liquid cooling temperature control system 200, by being mounted on lower right corner hose coupling 410 and upper right
Pressure sensor 420, thermometer 430 between angle hose coupling 410 in connecting pipe and the acquisition of temperature sensor 440 by with
The pressure and temperature data of cabinet heat exchange postcooling water, by cooling down these data feedbacks to liquid cooling temperature control system 200
Coolant-temperature gage controls, to realize that liquid cooling system is stablized.
With reference to shown in Fig. 4 and Fig. 5, the liquid cooling allocation unit 300 includes the liquid cooling server 310 of multi-set parallel setting,
The left and right ends of each liquid cooling server 310, which are connected to by hose 320, is arranged in 310 left and right sides of liquid cooling server
Liquid cooling manifold 330 on, sink 360 is arranged in the bottom end of liquid cooling manifold 330, and the top of the liquid cooling manifold 330 is provided with row
Air valve 340, it is described to there is air bleeding valve 340 to connect screw clamp 360 by exhaust hose 350, in liquid cooling maintenance unit 400 upper left corner and
The hose coupling 410 in the upper right corner is connect by hose with the liquid cooling manifold 330 of 300 middle left and right both sides of liquid cooling allocation unit respectively.
The cooling water entered from 400 upper left corner hose coupling 410 of liquid cooling maintenance unit is from 300 left side liquid cooling manifold of liquid cooling allocation unit
330 lower end enters, and then respectively enters the liquid cooling server 310 that multi-set parallel is arranged in cabinet by hose 320, and
The amount of heat that liquid cooling server 310 generates is taken out of in time, the cooling water after heat exchange is from 300 right side liquid cooling of liquid cooling allocation unit
The lower end of manifold 330 is flowed out, since cooling water may be by thermal evaporation, in the upper end of liquid cooling manifold 330 in heat transfer process
Air bleeding valve 340 is set, and air bleeding valve 340 connects screw clamp 360 by exhaust hose 350, to which steam is emitted into sink 360
In, avoid the presence of steam from influencing the heat exchange efficiency of server and cooling water.
With reference to shown in Fig. 4 and Fig. 5, the discharge outlet of whole sinks 360 is connected to an independent drainpipe by hose, leads to
This drainpipe is crossed, steam is individually discharged, prevents steam from there is the normal operation for influencing server.
The above is presently preferred embodiments of the present invention, but the present invention should not be limited to embodiment and attached drawing institute public affairs
The content opened both falls within protection of the present invention so every do not depart from the lower equivalent or modification completed of spirit disclosed in this invention
Range.
Claims (7)
1. a kind of liquid cooling system, it is characterised in that including：
Outer circulation cooling water system (100), the outer circulation cooling water system (100) includes emergence compensating water case (110), first cold
But tower (120) and the second cooling tower (130), first cooling tower (120) is identical with the structure of the second cooling tower (130), institute
It states and is both provided with quick water supply pipe (123) and automatic water supplement pipe (124) on the first cooling tower (120) and the second cooling tower (130),
The water outlet of the emergence compensating water case (110) is connected respectively to the first cooling tower (120) and the second cooling tower (130) by pipeline
On quick water supply pipe (123) and automatic water supplement pipe (124), the first cooling tower (120) outlet tube and the second cooling tower
(130) pass through pipe respectively between outlet tube and between the first cooling tower (120) inlet tube and the second cooling tower (130) inlet tube
Road connects, and valve is additionally provided in the connecting pipe；
Two independent liquid cooling temperature control systems (200), each liquid cooling temperature control system (200) include a plate heat exchanger
(210), the inlet tube of the first cooling tower (120) and outlet tube are changed with board-like in one of liquid cooling temperature control system (200) respectively
First outlet tube of hot device (210) and the connection of the first inlet tube, the inlet tube and outlet tube of the second cooling tower (130) respectively with separately
First outlet tube of plate heat exchanger (210) and the connection of the first inlet tube in one liquid cooling temperature control system (200)；
It is multiple to be divided to two groups and symmetrical liquid cooling maintenance unit (400) up and down, the liquid cooling dimension along cooling water main flow direction
The first inlet tube and the first outlet tube of shield unit (400) pass through plate-type heat-exchange in hose and liquid cooling temperature control system (200) respectively
Second outlet tube of device (210) and the connection of the second inlet tube；
The one-to-one liquid cooling allocation unit (300) of multiple and liquid cooling maintenance unit (400), the liquid cooling allocation unit (300)
Inlet tube and outlet tube respectively in liquid cooling maintenance unit (400) the second outlet tube and the second inlet tube connect.
2. liquid cooling system as described in claim 1, it is characterised in that：First cooling tower (120) and the second cooling tower
(130) structure is identical and parallel setting, and the upper end of the first cooling tower (120) tower body is provided with overflow pipe (121), described to overflow
On the inlet tube of the lower section setting drainpipe (122) of flow tube (121), first cooling tower (120) and the second cooling tower (130)
It is mounted on temperature sensing device (127), pacifies on the outlet tube of first cooling tower (120) and the second cooling tower (130)
Equipped with water pump (129), it is mounted on the inlet tube and outlet tube of first cooling tower (120) and the second cooling tower (130)
Second drain valve (128).
3. liquid cooling system as described in claim 1, it is characterised in that：Described two independent liquid cooling temperature control systems (200)
Structure is identical, and the first outlet tube of plate heat exchanger (210) is connect with cooling tower inlet tube in the liquid cooling temperature control system (200)
Pipeline on be provided with electric three passes flow divider (220), the third port of the electric three passes flow divider (220) is connected by pipeline
It is connected on the pipeline that the first inlet tube of plate heat exchanger (210) is connect with cooling tower outlet tube, the plate heat exchanger (210)
The first inlet tube on filter (230) is installed, the rear end of filter (230) is equipped with automatic exhaust steam valve (240), the plate
Variable frequency pump (250) is installed, the front end of the variable frequency pump (250) is equipped on the second inlet tube of formula heat exchanger (210)
The rear end of check valve (260), the variable frequency pump (250) is equipped with water tank (270).
4. liquid cooling system as described in claim 1, it is characterised in that：It is divided to upper and lower two along cooling water main flow direction including six groups
Group and symmetrical liquid cooling maintenance unit (400), the structure of each liquid cooling maintenance unit (400) is identical, is in including four
The hose coupling (410) of rectangular profile is connected between the hose coupling (410) of the left side parallel distributed, institute by pipeline
It is connected also by pipeline between the hose coupling (410) of parallel distributed on the right side of stating, pressure is installed in the left side connecting pipe
Sensor (420) and flow sensor (450) are equipped with pressure sensor (420), thermometer in the right side connecting pipe
(430) and temperature sensor (440).
5. liquid cooling system as claimed in claim 4, it is characterised in that：The lower left corner is soft in the liquid cooling maintenance unit (400)
Pipe fitting (410) is connect by hose with the second outlet tube of plate heat exchanger (210), in the liquid cooling maintenance unit (400)
The hose coupling (410) in the lower right corner is connect by hose with the second inlet tube of plate heat exchanger (210), and the liquid cooling is safeguarded single
The hose coupling (410) in the upper left corner is connect by hose with the inlet tube in liquid cooling allocation unit (300) in first (400), described
The hose coupling (410) in the upper right corner passes through the outlet tube in hose and liquid cooling allocation unit (300) in liquid cooling maintenance unit (400)
Connection.
6. liquid cooling system as described in claim 1, it is characterised in that：The liquid cooling allocation unit (300) includes multi-set parallel
The left and right ends of the liquid cooling server (310) of setting, each liquid cooling server (310) are connected to by hose (320)
It is arranged on the liquid cooling manifold (330) at left and right sides of liquid cooling server (310), sink (360) is arranged liquid cooling manifold's (330)
Bottom end is provided with air bleeding valve (340) above the liquid cooling manifold (330), described to have air bleeding valve (340) to pass through exhaust hose
(350) screw clamp (360) is connected, the hose coupling (410) in the upper left corner and the upper right corner passes through respectively in liquid cooling maintenance unit (400)
Hose is connect with the liquid cooling manifold (330) of liquid cooling allocation unit (300) middle left and right both sides.
7. liquid cooling system as claimed in claim 6, it is characterised in that：The discharge outlet of whole sinks (360) is connected by hose
To an independent drainpipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710068384.4A CN108401394A (en) | 2017-02-08 | 2017-02-08 | A kind of liquid cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710068384.4A CN108401394A (en) | 2017-02-08 | 2017-02-08 | A kind of liquid cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN108401394A true CN108401394A (en) | 2018-08-14 |
Family
ID=63093853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710068384.4A Pending CN108401394A (en) | 2017-02-08 | 2017-02-08 | A kind of liquid cooling system |
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| Country | Link |
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| CN (1) | CN108401394A (en) |
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| CN110881262A (en) * | 2019-10-22 | 2020-03-13 | 广东申菱环境系统股份有限公司 | Control method for cold source output capacity of liquid cooling system of data machine room |
| CN115003128A (en) * | 2022-06-27 | 2022-09-02 | 北京中科仙络咨询服务有限公司 | Cold plate type liquid cooling system and test method |
| CN115003141A (en) * | 2022-08-08 | 2022-09-02 | 浪潮电子信息产业股份有限公司 | Liquid cooling server rack |
| CN115048822A (en) * | 2022-08-15 | 2022-09-13 | 天津市气象科学研究所 | Evaluation method and system for refrigeration energy consumption of air conditioner |
| CN115686117A (en) * | 2023-01-03 | 2023-02-03 | 苏州浪潮智能科技有限公司 | Liquid cooling control method and system, liquid cooling cabinet, electronic equipment and storage medium |
| TWI827483B (en) * | 2023-03-13 | 2023-12-21 | 元鈦科技股份有限公司 | coolant flow distributor |
| CN118591163A (en) * | 2024-07-31 | 2024-09-03 | 苏州元脑智能科技有限公司 | Immersion liquid cooling system, control method, cabinet, equipment, medium and program product |
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| TWI827483B (en) * | 2023-03-13 | 2023-12-21 | 元鈦科技股份有限公司 | coolant flow distributor |
| CN118591163A (en) * | 2024-07-31 | 2024-09-03 | 苏州元脑智能科技有限公司 | Immersion liquid cooling system, control method, cabinet, equipment, medium and program product |
| CN118591163B (en) * | 2024-07-31 | 2024-10-11 | 苏州元脑智能科技有限公司 | Immersion liquid cooling system, control method, cabinet, equipment, medium and program product |
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Application publication date: 20180814 |