CN104735959B - The cooling system of rack - Google Patents
The cooling system of rack Download PDFInfo
- Publication number
- CN104735959B CN104735959B CN201510057207.7A CN201510057207A CN104735959B CN 104735959 B CN104735959 B CN 104735959B CN 201510057207 A CN201510057207 A CN 201510057207A CN 104735959 B CN104735959 B CN 104735959B
- Authority
- CN
- China
- Prior art keywords
- rack
- working medium
- cooling
- pipe
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The cooling system of rack, including external circulating system and internal circulation system, external circulating system include low-temperature receiver, fluid reservoir and outer circulation pump, and external circulating system working medium is entered, return pipe is connected with Intermediate Heat Exchanger respectively；Internal circulation system enters including rack interior circulation subsystem, internal circulation system working medium, return pipe；Rack interior circulation subsystem includes liquid cooling heat radiator, working medium inlet pipe in the rack being connected by inlet shutoff valve with internal circulation system working medium inlet pipe, working medium return pipe and air-cooled radiator in the rack being connected by outlet shutoff valve with internal circulation system working medium return pipe, air-cooled radiator is connected with working medium return pipe in working medium inlet pipe in rack and rack, flow proportional regulating valve is provided between working medium inlet pipe in air-cooled radiator and rack, liquid cooling heat radiator is connected with working medium return pipe in working medium inlet pipe in rack and rack respectively, flow proportional regulating valve is provided between working medium inlet pipe in each liquid cooling heat radiator and rack.The present invention has the advantages that radiating efficiency height, energy-conservation.
Description
Technical field
The present invention relates to radiating and cooling technology field, more specifically to a kind of cooling system of server cabinet.
Background technology
In communication and IT industry, it is the electronics devices such as internal server, interchanger, storage device to widely apply standard cabinet
Part provides physical installation environment.Radiating is provided in order to be embodied as the equipment of interior of equipment cabinet, it is a large amount of to use fan by interior of equipment cabinet
Heat is taken out of outside rack, and these heats then are transferred into external environment by equipment such as the air-conditionings or blower fan in room.With
The heat consumption for electronic chip and power device is increasing, when interior of equipment cabinet caloric value constantly increases, using the side of wind-cooling heat dissipating
Formula can not meet the radiating requirements of internal unit.
In order to strengthen radiating effect and reduce environmental noise, people start to be radiated by the way of liquid is cold.Patent
Number a kind of cooling system is disclosed for 201120020096.X Chinese invention patent, the system includes the machine being arranged in frame
Group cooling plug-in box, unit cooling plug-in box includes the cold drawing being in contact with the heating part of module to be cooled, for by inside it
The heat of the liquid absorption heating part of flowing；The heat exchanger of cold drawing is connected to, for being cooled down to the liquid in cold drawing；
The pump of cold drawing and heat exchanger is connected to, for driving circulation of the liquid between cold drawing and heat exchanger.Patent No.
201320018219.5 Chinese invention patent discloses a kind of liquid-cooling heat radiation rack, including rack, element veneer, liquid low-temperature receiver dress
Put, separating tube, collector tube and the liquid cooling heat radiator for absorbing and taking away heat, wherein：Liquid cold source device is arranged on rack
It is interior；The outlet of the entrance and collector tube of separating tube is tightly connected outlet and the entrance of liquid low-temperature receiver respectively；Liquid cooling heat radiator is arranged on
In element veneer, the heat of the generation of the element in element veneer is absorbed and taken away；The inlet and liquid outlet of liquid cooling heat radiator point
The outlet of separating tube and the entrance of collector tube are not tightly connected.Foregoing two kinds of cooling systems are to use independent low-temperature receiver, are installed
In being radiated in rack to rack, although flexibility is higher, but due to being limited by space in rack, liquid low-temperature receiver finite volume,
When temperature rise in operation a period of time rear rack, or during high power device work, the radiating effect that liquid low-temperature receiver is provided may nothing
Method meets demand, and can not adjust flow to adapt to different situations.
Set in a kind of server cabinet, rack disclosed in Publication No. CN102378551A Chinese invention patent application
There is server, liquid cooling heat radiation system includes the refrigerator being located at outside rack and by heat-conducting plate and the hot linked pipeline of refrigerator, led
Hot plate is arranged in rack and close to server, and the heat formation hot-fluid that server is produced when working, hot-fluid is cold at heat-conducting plate
But, pipeline extends outside rack and is connected respectively with the opposite end of refrigerator, the heat that heat-conducting plate is absorbed from server
Amount is transferred at refrigerator progress heat exchange, and the heat of server is to be delivered to heat-conducting plate by air, then again by with lead
The heat transmitter of hot plate laminating is by heat transfer.
Publication No. CN103052304A Chinese invention patent application also discloses that a kind of server cabinet cooling system,
Including being placed in the liquid ice chest inside server cabinet, water-filled radiator in server cabinet, air radiator, the first liquid storage in cabinet
Case and outdoor external condensation system, liquid ice chest include finned heat exchanger, plate type heat exchanger and the first water being integrated in a case
Water-filled radiator is connected into by pipeline in pump, plate type heat exchanger hot water side, the first water pump, the first liquid reserve tank and server cabinet
Air radiator, finned heat exchanger and plate type heat exchanger cold water side are connected by pipeline in first circulation loop, external condensation system, cabinet
Second circulation loop is connected into, the cooling system is also to be transferred heat to by air radiator in water, then passes through liquid reserve tank, outer
The heat exchange of cooling system is radiated.
It is related to a kind of cooling system in Publication No. CN102364406A Chinese invention patent application, by the cold list of rack liquid
First, automatically controlled dynamic regulating valve, microprocessor, cooling pipe and the outdoor part of handpiece Water Chilling Units five composition, cooling pipe include passing through
The primary cycle system and secondary cycle system of heat exchanger isolation, primary cycle system provide cold for whole cooling system and supplied
Should, the heat absorbed from rack is carried out heat exchange by secondary cycle system in heat exchanger with primary cycle system.
Foregoing several cooling systems are broadly divided into air-cooled cooling and the cold but two types of liquid, wherein in air cooling system
Device and liquid cooling unit between heat exchange be by air transmitted, it is inefficient；And the cold cooling system of liquid is when outside rack
When pipeline breaks down or be abnormal, all cold drawings in rack will be stopped, and easily cause machine in-cabinet temperature and device temperature
Degree is brought rapidly up, and is caused damage, and can not adjust the flow of interior of equipment cabinet pipeline.And when actually used, in rack both
There is heat generation density air-cooled with regard to soluble device not high pass, also there is heat generation density height simultaneously needs by water-cooled ability
The device of cooling, the scheme also without the radiating that can ensure this two classes device simultaneously is, it is necessary to be independently arranged water in the prior art
Cold or air-cooled external cooling mode, ensures the normal work of whole cabinet.Air-cooled side is mostly backed up using multicomputer, to carry
Emergent radiating during for failure, and in the cold mode of liquid, the failure of cooling main pipeline often causes the rack Thermal protection of large area
Shut down, so as to bring massive losses.
The content of the invention
It is an object of the invention to provide a kind of radiating efficiency height, the cooling system for computer case of good heat dissipation effect.
To achieve these goals, the present invention takes following technical solution：
The cooling system of rack, including external circulating system and internal circulation system, the external circulating system include low-temperature receiver and institute
State the connected fluid reservoir of low-temperature receiver and the outer circulation pump being arranged on external circulating system pipeline, external circulating system working medium inlet pipe is from cold
Source is picked out and by being connected after cold storage tank with Intermediate Heat Exchanger, external circulating system working medium return pipe from Intermediate Heat Exchanger pick out after with it is cold
Source is connected；The internal circulation system includes rack interior circulation subsystem, the connection rack interior circulation subsystem being arranged in rack
The internal circulation system of internal circulation system working medium inlet pipe, connection rack interior circulation subsystem and Intermediate Heat Exchanger with Intermediate Heat Exchanger
Working medium return pipe；The rack interior circulation subsystem includes at least one liquid cooling heat radiator, interior followed with described by inlet shutoff valve
Working medium inlet pipe in the connected rack of loop system working medium inlet pipe, it is connected with the internal circulation system working medium return pipe by outlet shutoff valve
Rack in working medium return pipe and air-cooled radiator, the air-cooled radiator respectively with working medium inlet pipe and rack in the rack
Interior working medium return pipe is connected, and is provided with flow proportional regulating valve between working medium inlet pipe in the air-cooled radiator and rack, described
Liquid cooling heat radiator is connected with working medium return pipe in working medium inlet pipe in the rack and the rack respectively, each liquid cooling heat radiator with
Flow proportional regulating valve is provided with rack between working medium inlet pipe.
In order to which the present invention is better achieved, also the inlet shutoff valve output end and the outlet section are connected including being arranged at
The only self-circulating pump on the pipeline of valve input.
In order to be better achieved the present invention, also including being connected with working medium return pipe in working medium inlet pipe in the rack and rack
By-passing valve is provided with bypass line, the bypass line.
In order to which the present invention is better achieved, the low-temperature receiver includes main cooling unit and secondary cooling unit, the main cooler
Group is active cooler group, and the secondary cooling unit is passive cooling unit.
In order to which the present invention is better achieved, the rack interior circulation subsystem is arranged using reversed return type pipeline.
In order to which the present invention is better achieved, the internal circulation system includes one or more rack interior circulation subsystems
In system, the rack interior circulation subsystem cold storage tank is connected with the rack of inlet shutoff valve rear end in working medium inlet pipe.
In order to which the present invention is better achieved, the peak of each rack be provided with connected with working medium return pipe in rack from
Dynamic air bleeding valve, the automatic exhaust steam valve is connected with Constant pressure tank.
In order to which the present invention is better achieved, the liquid cooling heat radiator includes the radiating base being in contact with electronic device surface
Plate, the heat pipe being connected with heat-radiating substrate and the concentration cooling tube being connected with multiple heat pipes；The heat pipe is spaced, and heat pipe
Condensation segment stretch into it is described concentration cooling tube in, with it is described concentrate cooling tube be tightly connected；The concentration cooling tube includes being equipped with
The cooling tube main body of coolant and respectively with the coolant inlet pipe and coolant outlet pipe that are connected in the cooling tube main body, it is described
Coolant inlet pipe and coolant outlet pipe are connected with rack interior circulation subsystem.
Set respectively in order to which coolant inlet end and cooling liquid outlet end in the present invention, the concentration cooling tube is better achieved
It is equipped with current divider.
Be provided with spaced apart central dividing plate to be better achieved in the present invention, the concentration cooling tube, it is described in
Space bar is set along coolant flow direction, and the condensation segment of the heat pipe is stretched in the space separated by central dividing plate.
In order to which the present invention is better achieved, the heat pipe interval dislocation is connected with the concentration cooling tube.
From above technical scheme, there is the cold and air-cooled two types radiator of liquid, heat exchange efficiency in rack of the present invention
High liquid cooling heat radiator provides radiating for the big device of caloric value, and air-cooled radiator is that other in rack cannot connect to that liquid is cold to be dissipated
The device of hot device provides wind-cooling heat dissipating, ensures the operating temperature of other devices for not accessing liquid cooling heat radiator in rack, synchronous full
The cold demand of air-cooled and liquid in sufficient rack, and each liquid it is cold/air-cooled radiator and rack in set equal between working medium inlet pipe
There is flow proportional regulating valve, the flow proportional regulating valve accurate adjustment radiator branch can be passed through according to the temperature of each radiator
Cold output, it is to avoid local radiator underfed occur causes the phenomenon of overheat to occur.In addition, can also be set in rack
Independent self-circulating pump, makes rack have independent inside self-circulation system, when external circulating system pipeline breaks down, can be with
Start internal self-loopa.Also bypass circulation further can be set on the pipeline of rack interior circulation subsystem simultaneously, according to equipment
State changes the pipeline state of rack interior circulation subsystem by bypass circulation, adjusts pipeline inner stream flow, it is to avoid during low-load
Flow is excessive in pipeline, causes to waste.
Brief description of the drawings
In order to illustrate more clearly the embodiments of the present invention, below will be to be used needed for embodiment or description of the prior art
Accompanying drawing do simple introduction, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is the schematic diagram of the liquid cooling heat radiation system of the embodiment of the present invention 1；
Fig. 2 is the schematic diagram of the internal circulation system of the embodiment of the present invention 1
Fig. 3 is the structural representation of the liquid cooling heat radiator of the embodiment of the present invention 2
Fig. 4 is the structural representation in the arrow A directions along along Fig. 3；
Fig. 5 is the structural representation of the liquid cooling heat radiator of the embodiment of the present invention 3；
Fig. 6 is the structural representation in the arrow B directions along along Fig. 5.
Embodiment
The present invention will be described in detail below in conjunction with the accompanying drawings, when the embodiment of the present invention is described in detail, for purposes of illustration only, representing
The accompanying drawing of device architecture can disobey general ratio and do partial enlargement, and the schematic diagram is example, and it should not be limited herein
The scope of protection of the invention.It should be noted that accompanying drawing is using very simplified form and uses non-accurately ratio, only
To convenient, the clearly aid illustration embodiment of the present invention purpose.
Embodiment 1
As depicted in figs. 1 and 2, pipeline shown in solid is working medium inlet pipe in Fig. 1, Fig. 2, and pipeline shown in dotted line returns for working medium
Circulate refrigeration working medium in pipe, pipeline, includes the fluid of phase transformation or non-phase transformation, and cooling system includes external circulating system and interior circulation
System, external circulating system includes the low-temperature receiver being made up of main cooling unit 1 and secondary cooling unit 2, the cold storage tank 3 being connected with low-temperature receiver,
It is connected between external circulating system and internal circulation system by Intermediate Heat Exchanger 4.After external circulating system working medium inlet pipe a is by cold storage tank 3
It is connected with Intermediate Heat Exchanger 4, external circulating system working medium return pipe b is connected after being picked out from Intermediate Heat Exchanger 4 with low-temperature receiver, is respectively connected to master
Unit 1 and secondary cooling unit 2 are cooled down, outer circulation pump X is provided with external circulating system working medium return pipe b, with the main cooling phase of unit 1
In access cold storage tank 3 in external circulating system working medium inlet pipe even and the external circulating system working medium inlet pipe being connected with secondary cooling unit 2
Stop valve S is respectively arranged with before.Cooling unit is moved based on main cooling unit, pair cooling unit is passive cooling unit, secondary cold
But unit can use open cooling tower or the dry and cold device of enclosed, and unnecessary cold is stored by cold storage tank 3.Can using two sets of units
To realize the failover backup and energy-saving run of low-temperature receiver side.
Internal circulation system includes rack interior circulation subsystem, the connection rack interior circulation subsystem being arranged in rack 100
The interior circulation of internal circulation system working medium inlet pipe c, connection rack interior circulation subsystem and Intermediate Heat Exchanger 4 with Intermediate Heat Exchanger 4
Systematic working medium return pipe d, the quantity of rack interior circulation subsystem is corresponding with rack quantity, can be one or more.Rack
Interior circulation subsystem include at least one liquid cooling heat radiator (liquid cooling plate) 5, working medium inlet pipe e in rack, working medium return pipe f in rack,
Self-circulating pump 6, the inlet shutoff valve Q1 being arranged in rack on working medium inlet pipe e, it is arranged at the outlet on working medium return pipe f in rack
Stop valve Q2 and bypass line, rack interior circulation subsystem are arranged using reversed return type pipeline.Working medium inlet pipe e is by entering in rack
Mouth stop valve Q1 is connected with internal circulation system working medium inlet pipe c, and working medium return pipe f passes through outlet shutoff valve Q2 and interior circulation system in rack
The working medium return pipe d that unites is connected.Liquid cooling heat radiator 5 is connected with working medium return pipe f in working medium inlet pipe e in rack and rack respectively, makes liquid
Flow into liquid cooling heat radiator, be provided with flow proportional regulating valve M between working medium inlet pipe e in each liquid cooling heat radiator 5 and rack.
Liquid cooling heat radiator 5 is arranged on heater members, directly contacted with heater members, so that the heat that heater members are produced directly is passed
It is directed in the refrigerant in radiator, improves radiating efficiency.Temperature sensor 7 is provided with liquid cooling heat radiator 5.Self-circulating pump 6
On the pipeline for being arranged at connection inlet shutoff valve Q1 output end and outlet shutoff valve Q2 input, the input of self-circulating pump 6
End is connected with a check valve (non-label), when inlet shutoff valve Q1 and outlet shutoff valve Q2 is closed, rack interior circulation subsystem
System can form a closed cycle system, and self-circulating pump 6 can realize the self-loopa of interior of equipment cabinet pipeline.In rack interior circulation
The expansion tank being connected with self-circulating pump can also be set on the pipeline of system, preferably to ensure the effect of self-loopa in rack
Really.It is provided between the pipeline of rack interior circulation subsystem on bypass line, bypass line and is provided with by-passing valve P, by-passing valve P's
It is opening/closing make bypass line access circulation line in or side put.It is such as low when being loaded in rack, i.e., when device work is few, it can open
By-passing valve P, adjusts the pipeline of rack interior circulation subsystem, reduces the system that low-heat metering device or idle device are flowed in pipeline
Cold liquid, most of liquid is flowed into circulation line by bypass line, reaches the purpose for saving cold.Bypass line and rack
Working medium return pipe f is connected in interior working medium inlet pipe e and rack, and its position is entered according to the distribution of electronic device in rack and liquid cooling heat radiator
Row adjustment, when being provided with high power radiation device and low-power radiator in rack, bypass line is typically connected to high power and dissipated
On pipeline between hot device and low-power radiator.It is provided with and is connected with working medium return pipe f in rack in the peak of each rack
Automatic exhaust steam valve R, automatic exhaust steam valve R is connected with Constant pressure tank, ensures that channel interior gas smoothly discharges.
As a preferred embodiment of the present invention, air-cooled radiator 8, air-cooled radiator 8 are additionally provided with cabinet door
It is connected respectively with working medium return pipe f in working medium inlet pipe e in rack, rack, temperature sensor is again provided with air-cooled radiator 8,
It is also equipped with flow proportional regulating valve M between working medium inlet pipe e in rack.Air-cooled radiator can also be arranged at its of rack
On his position or electronic device, air-cooled radiator provides air-cooled dissipate for other devices that cannot connect to liquid cooling heat radiator in rack
Heat, ensures the operating temperature of other devices for not accessing liquid cooling heat radiator in rack, and the air-cooled and liquid synchronously met in rack is cold
Demand.
Temperature of the invention by collecting each radiator in rack, adjusts rack bulk flow, and according to each radiating
The temperature of device is exported by the cold of the flow proportional regulating valve accurate adjustment radiator branch, to avoid only to each rack system
The flow of system, which is allocated, not to be considered the assignment of traffic on each radiator branch and local radiator underfed occurs and lead
The phenomenon of overheat is caused to occur.Moreover, the present invention can set the different liquid cooling heat radiator of power, these liquid cooling heat radiators in rack
It is correspondingly arranged on the different device of caloric value, it is each where radiator when the different radiator of integrated power in rack
Flow on branch road is different, on the basis of rack bulk flow is distributed, and each branch road of valve regulation is adjusted by flow proportional
Flow, it is to avoid the flow for integrating cabinet occur reduces or increased, it is impossible to overall to ensure flow.
There is in rack of the present invention independent inside self-circulation system, can be with when external circulating system pipeline breaks down
Start internal self-loopa, to set apart and carry out self-protection or data backup to software systems, it is to avoid device temperature rises rapidly
Temperature, causes damage.For high heat generation density rack or the extremely important rack of internal data, inside is also independently arranged cold storage tank
10 (Fig. 1), the size of cold storage tank is configured according to the caloric value in cabinet, cooling storage material is internally integrated, is further core engine
Cabinet provides cooling backup protection during external fault.And bypass circulation is set on the pipeline of rack interior circulation subsystem, keep away
Exempt from when Flow-rate adjustment is excessive, inner stream flow is uncontrollable.
Embodiment 2
As shown in Figure 3 and Figure 4, the liquid cooling heat radiator 5 of the present embodiment includes heat-radiating substrate 5-1, heat pipe 5-2 and concentrates cooling
Pipe 5-3.Heat-radiating substrate 5-1 is in contact with electronic device surface to be radiated.Heat pipe 5-2 is connected with heat-radiating substrate 5-1, and existing
Technology is identical, and heat pipe 5-2 includes heat pipe evaporator section 5-2a and heat pipe condenser section 5-2b, and heat pipe inner wall is provided with capillary pipe structure.
Heat pipe evaporator section 5-2a is connected with heat-radiating substrate 1, and heat-radiating substrate 5-1 is by the heat on electronic device surface to heat pipe evaporator section 5-2a
Conduction is radiated.Heat pipe condenser section 5-2b is stretched into concentration cooling tube 5-3, is tightly connected with concentrating cooling tube 5-3.This implementation
Heat pipe 5-2 is connected by example using sealing nut 5-4 with concentrating cooling tube 5-3, can also be connected between the two by the way of welding.
Heat pipe condenser section can be cold using the liquid for not producing phase transformation or produces the cold mode of liquid of phase transformation.One is concentrated cooling tube 5-3 and many
Individual heat pipe 5-2 is connected.
Concentrate cooling tube 5-3 include the cooling tube main body 5-3a equipped with coolant, with cooling tube main body 5-3a is interior connects
Coolant inlet pipe 5-3b and coolant outlet pipe 5-3c, coolant inlet pipe 5-3b and coolant outlet pipe 5-3c respectively with rack interior circulation
Working medium inlet pipe is connected with working medium return pipe in rack in the rack of subsystem, makes the cooling of circulation cycle in cooling tube main body 5-3a
Liquid, so that the condensation segment of opposite heat tube carries out cooling.Coolant inlet end and cooling liquid outlet in cooling tube main body 5-3a
End is respectively arranged with current divider 5-3d, and current divider 5-3d is connected with coolant inlet pipe 5-3b, enters from coolant inlet pipe 5-3b and collects
Middle cooling tube 5-3 coolant is through the 5-3d points of tributaries to flow to different directions of current divider, to ensure that coolant can be with mean flow
To each heat pipe condenser section, make the temperature of each heat pipe condenser section uniform.Simultaneously interval cloth is also set up in concentration cooling tube 5-3
The central dividing plate 5-3e put, central dividing plate 5-3e are set along coolant flow direction (vertical direction in Fig. 3), are cooled down concentrating
It is divided into inside pipe 5-3 on some column spaces, each row and arranges multiple heat-pipe radiators, central dividing plate 5-3e will concentrates cooling tube
In heat pipe separate, coolant, which enters, to be concentrated after cooling tube 5-3, and streamwise is respectively enterd in each row, ensures each heat pipe
Condensation end (radiating end) cooled down by the feed liquor temperature of same temperature.
Embodiment 3
Reference picture 4 and Fig. 5, the present embodiment place different from embodiment 2 is：Concentrate in cooling tube and be not provided with middle interval
Plate, concentrates cooling tube 5-3 to be connected with multiple heat pipe 5-2, heat pipe 5-2 intervals dislocation arrangement, enters from current divider 5-3d and concentrates cold
But heat-pipe radiator 2 of the coolant in pipe 5-3 through being staggeredly arranged flows to coolant outlet pipe 5-3c, and each heat is caused as far as possible
The condensation end of pipe can be cooled down by the feed liquor temperature of same temperature, it is ensured that radiating effect.
Using concentrating cooling tube that multiple heat pipes are carried out with concentration radiating simultaneously, coolant circulation is in concentration cooling tube
It is interior, it can once be radiated for multiple electronic devices, reduce the volume of liquid cooling heat radiator, improve heat exchange efficiency, so as to
Shorten the condensation end of heat pipe, reduce integral heat pipe volume, the manufacturing cost of reduction liquid cooling heat radiator in itself.
Compared with prior art, the invention has the characteristics that：
1st, integrating cabinet integrally uses the cold mode of liquid, and can use has phase transformation or cold without phase-transition liquid, more air-cooled heat exchange density
Increase hundreds times, can reach single cabinet 100kW heat dissipation capacity.
2nd, cooling system point interior circulation and outer circulation, interior circulation uses closed system, thus ensure coolant cleaning and
It is reliable；Outer circulation can use open type or closed system according to environment, can also make full use of cooling storage or other types of cooling
Efficient cooling is provided for interior circulation.
3rd, use liquid cold due to overall, therefore the water side temperature of whole machine can reach 70~90 degree, be radiated with external environment warm
It is poor big, radiated using extraneous low-temperature receiver, so as to reduce the power consumption of whole cooling system；, can when ambient temperature is high
The cooling storage tank in low-temperature receiver, system is provided for system using main cooling unit to utilize night according to daily loading condition
Low ebb electricity price opens active cooling unit and stores certain cold, ensures the operation on its daytime, so as to further reduce whole system
The operation energy consumption of system.
4th, collect the temperature of each radiator, the input flow rate of Central Regulation integrating cabinet, and pass through each radiator
Flow proportional regulating valve accurate flow adjustment, so as to reduce overall power consumption.
5th, using independent self-circulating pump, when main road breaks down, can short-term operation, the temperature rise of chip will not be too fast,
Software backup is carried out for internal unit or normal shutdown provides valuable time.
6th, for core rack, on the basis of aforementioned arrangements, in the rack of inlet shutoff valve rear end in working medium inlet pipe
Connect an independent cold storage tank, according to heat load in rack and the requirement of standby cool time, the internal cooling storage material of configuration number,
And in the main cooling line failure of interior circulation, closing rack working medium is entered, return pipe road, using self-circulation system, using in cold storage tank
Cold for internal unit provide data or business transfer time, realize normal shutdown.
The above embodiments are merely illustrative of the technical solutions of the present invention rather than its limitations, although with reference to above-described embodiment pair
The present invention is described in detail, it should be understood by a person of ordinary skill in the art that still can be to the specific of the present invention
Embodiment is modified or equivalent, and any modification or equivalent without departing from spirit and scope of the invention,
It all should cover among scope of the presently claimed invention.
Claims (9)
1. the cooling system of rack, including external circulating system and internal circulation system, it is characterised in that：
The external circulating system includes low-temperature receiver, the fluid reservoir being connected with the low-temperature receiver and is arranged on external circulating system pipeline
Outer circulation pump, external circulating system working medium inlet pipe is picked out from low-temperature receiver and by being connected after cold storage tank with Intermediate Heat Exchanger, outer circulation system
System working medium return pipe is connected after being picked out from Intermediate Heat Exchanger with low-temperature receiver；
The internal circulation system include be arranged at the rack interior circulation subsystem in rack, connection rack interior circulation subsystem and in
Between heat exchanger internal circulation system working medium inlet pipe, connection rack interior circulation subsystem and Intermediate Heat Exchanger internal circulation system working medium
Return pipe；The rack interior circulation subsystem includes at least one liquid cooling heat radiator, passes through inlet shutoff valve and the interior circulation system
Working medium inlet pipe, the machine being connected by outlet shutoff valve with the internal circulation system working medium return pipe in the connected rack of system working medium inlet pipe
Working medium return pipe in cabinet, be arranged on the pipeline for connecting the inlet shutoff valve output end and the outlet shutoff valve input from
Circulating pump and air-cooled radiator, the air-cooled radiator respectively with working medium return pipe in working medium inlet pipe in the rack and rack
It is connected, is provided with flow proportional regulating valve, the liquid cooling heat radiator between working medium inlet pipe in the air-cooled radiator and rack
It is connected respectively with working medium return pipe in working medium inlet pipe in the rack and the rack, the working medium in each liquid cooling heat radiator and rack
Flow proportional regulating valve is provided between inlet pipe.
2. the cooling system of rack as claimed in claim 1, it is characterised in that：Also include with working medium inlet pipe in the rack and
In rack by-passing valve is provided with the connected bypass line of working medium return pipe, the bypass line.
3. the cooling system of rack as claimed in claim 1, it is characterised in that：The low-temperature receiver includes main cooling unit and pair is cold
But unit, moves cooling unit based on the main cooling unit, the secondary cooling unit is passive cooling unit.
4. the cooling system of rack as claimed in claim 1, it is characterised in that：The rack interior circulation subsystem uses same journey
Formula pipeline is arranged.
5. the cooling system of rack as claimed in claim 1, it is characterised in that：The internal circulation system includes one or one
In above rack interior circulation subsystem, the rack interior circulation subsystem in the rack of inlet shutoff valve rear end in working medium inlet pipe
It is connected with cold storage tank.
6. the cooling system of rack as claimed in claim 1, it is characterised in that：It is provided with and machine in the peak of each rack
The automatic exhaust steam valve that working medium return pipe is connected in cabinet, the automatic exhaust steam valve is connected with Constant pressure tank.
7. the cooling system of rack as claimed in claim 1, it is characterised in that：The liquid cooling heat radiator includes and electronic device
Heat-radiating substrate, the heat pipe being connected with heat-radiating substrate and the concentration cooling tube being connected with multiple heat pipes that surface is in contact；It is described
Heat pipe is spaced, and the condensation segment of heat pipe is stretched into the concentration cooling tube, is tightly connected with the concentration cooling tube；It is described
Cooling tube is concentrated to enter including the cooling tube main body equipped with coolant and respectively with the coolant connected in the cooling tube main body
Pipe and coolant outlet pipe, the coolant inlet pipe and coolant outlet pipe are connected with rack interior circulation subsystem.
8. the cooling system of rack according to claim 7, it is characterised in that：Coolant inlet in the concentration cooling tube
End and cooling liquid outlet end are respectively arranged with current divider.
9. the cooling system of the rack according to claim 7 or 8, it is characterised in that：It is provided with the concentration cooling tube
Spaced apart central dividing plate, the central dividing plate is set along coolant flow direction, the condensation segment of the heat pipe stretch to by
In the space that central dividing plate is separated；Or be not provided with central dividing plate in the concentration cooling tube, the heat pipe interval dislocation with
The concentration cooling tube is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057207.7A CN104735959B (en) | 2015-02-02 | 2015-02-02 | The cooling system of rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057207.7A CN104735959B (en) | 2015-02-02 | 2015-02-02 | The cooling system of rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104735959A CN104735959A (en) | 2015-06-24 |
| CN104735959B true CN104735959B (en) | 2017-07-18 |
Family
ID=53459251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510057207.7A Active CN104735959B (en) | 2015-02-02 | 2015-02-02 | The cooling system of rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104735959B (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017066993A1 (en) * | 2015-10-23 | 2017-04-27 | 华为技术有限公司 | Heat pipe based cooling system and power equipment |
| CN106051981A (en) * | 2016-07-08 | 2016-10-26 | 长沙麦融高科股份有限公司 | Refrigerating method based on double-temperature drive and double cold sources |
| CN106643274A (en) * | 2016-11-15 | 2017-05-10 | 曙光节能技术（北京）股份有限公司 | Cooling system |
| CN106793697A (en) * | 2016-12-27 | 2017-05-31 | 曙光信息产业(北京)有限公司 | For the heat abstractor and group of switches of group of switches |
| CN106686953B (en) * | 2017-02-10 | 2023-10-13 | 北京纳源丰科技发展有限公司 | Liquid cooling heat pipe heat dissipation system for cabinet server and control method thereof |
| CN106714531B (en) * | 2017-03-15 | 2023-11-03 | 北京纳源丰科技发展有限公司 | Heat dissipation system of server-level cooling heat pipe and control method thereof |
| CN107223009B (en) * | 2017-07-27 | 2024-04-09 | 西安特来电智能充电科技有限公司 | Power module and heat dissipation system thereof |
| CN109703403B (en) * | 2018-12-27 | 2022-06-21 | 万帮数字能源股份有限公司 | High-power charging cooling device with high energy efficiency ratio and high cooling efficiency |
| CN109618540A (en) * | 2019-01-02 | 2019-04-12 | 深圳易能电气技术股份有限公司 | A kind of cooling system of four-quadrant frequency converter |
| CN110285555B (en) * | 2019-07-02 | 2020-06-26 | 珠海格力电器股份有限公司 | Control cabinet, heat dissipation method and air conditioner |
| CN110505794B (en) * | 2019-08-26 | 2020-07-10 | 北京航空航天大学 | Two-phase cooling system of multi-machine cabinet |
| CN113316348B (en) * | 2020-02-26 | 2022-10-04 | 中国电信股份有限公司 | Emergency coolant distribution equipment |
| CN111526699A (en) * | 2020-04-26 | 2020-08-11 | 珠海格力电器股份有限公司 | Electrical equipment, electrical box and temperature control method thereof |
| CN111642109B (en) * | 2020-06-02 | 2020-12-18 | 南京艾科美热能科技有限公司 | Fountain rack cooling system |
| CN112394792B (en) * | 2020-11-18 | 2024-04-05 | 常州贺斯特科技股份有限公司 | High heat flux chip immersed phase change cooling system |
| WO2022193981A1 (en) * | 2021-03-19 | 2022-09-22 | Oppo广东移动通信有限公司 | Heat dissipation assembly, housing assembly, and electronic device |
| CN114173536A (en) * | 2021-12-09 | 2022-03-11 | Oppo广东移动通信有限公司 | Heat dissipation assembly, preparation method thereof, shell assembly and electronic equipment |
| CN116419533A (en) * | 2021-12-31 | 2023-07-11 | 华为技术有限公司 | Heat dissipation module and computing equipment |
| CN115686117B (en) * | 2023-01-03 | 2023-03-28 | 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 |
| CN116294284A (en) * | 2023-03-06 | 2023-06-23 | 珠海格力电器股份有限公司 | Composite refrigeration system, control method and air conditioner |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201700120U (en) * | 2010-06-08 | 2011-01-05 | 中山大学 | Plate card type heat exchange two-phase natural circulation heat-dissipating system based on communication cabinet |
| CN102869241A (en) * | 2012-09-29 | 2013-01-09 | 江苏省邮电规划设计院有限责任公司 | Double-drive heat pipe heat radiation cabinet |
| CN102984928A (en) * | 2012-12-31 | 2013-03-20 | 西安飞豹科技发展公司 | Airborne small-scale liquid cooling device |
-
2015
- 2015-02-02 CN CN201510057207.7A patent/CN104735959B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201700120U (en) * | 2010-06-08 | 2011-01-05 | 中山大学 | Plate card type heat exchange two-phase natural circulation heat-dissipating system based on communication cabinet |
| CN102869241A (en) * | 2012-09-29 | 2013-01-09 | 江苏省邮电规划设计院有限责任公司 | Double-drive heat pipe heat radiation cabinet |
| CN102984928A (en) * | 2012-12-31 | 2013-03-20 | 西安飞豹科技发展公司 | Airborne small-scale liquid cooling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104735959A (en) | 2015-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104735959B (en) | The cooling system of rack | |
| CN204598537U (en) | A kind of cooling system of rack | |
| US10356949B2 (en) | Server rack heat sink system with combination of liquid cooling device and auxiliary heat sink device | |
| CN104703447B (en) | The server radiating system that natural cooling water-cooling device and liquid cooling apparatus combine | |
| CN104320953B (en) | Secondary water-loop server cabinet cooling system | |
| US10356962B2 (en) | Power electronic device cooling system and distributed power generation system | |
| CN107182191A (en) | It is a kind of to realize the system radiated to cpu chip and server simultaneously | |
| CN101346058B (en) | Waste heat driven two-phase loop cooling system | |
| CN107182190B (en) | A kind of system for being exclusively used in radiating to server | |
| CN106765760A (en) | A kind of heating system for reclaiming computer room liquid-cooling heat radiation amount | |
| CN106507647A (en) | The cooling system that a kind of solar energy absorption type refrigeration is closed with liquid cold junction | |
| CN204887860U (en) | Each other is equipped with rack heat pipe backplate heat extraction system dual system | |
| CN110351986B (en) | Partition internal cooling type cabinet heat dissipation system with composite cold source | |
| CN206352878U (en) | A kind of heating system for reclaiming computer room liquid-cooling heat radiation amount | |
| CN203633039U (en) | air conditioning unit | |
| CN104703448B (en) | The server cabinet cooling system that gate-type cold water heat-exchanger rig and liquid cooling apparatus combine | |
| CN206895121U (en) | It is a kind of to realize the system to be radiated to cpu chip and server simultaneously | |
| CN204425887U (en) | The server radiating system that liquid cooling apparatus and auxiliary radiating device combine | |
| CN206909031U (en) | A kind of system for being exclusively used in radiating to server | |
| CN104252187B (en) | A kind of control method of secondary water loops server cabinet cooling system | |
| CN101464067A (en) | Energy-saving and compact absorption type refrigerating machine | |
| CN204425886U (en) | The server cabinet cooling system that gate-type cold water heat-exchanger rig and liquid cooling apparatus combine | |
| CN203518304U (en) | Power electronic device cooling system and distributed power generation system | |
| CN203633038U (en) | air conditioning unit | |
| CN206251568U (en) | The cooling system that a kind of solar energy absorption type refrigeration is closed with liquid cold junction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |