CN105423472B - Hot-pipe type air conditioning system and its heat dissipating method for data center - Google Patents
Hot-pipe type air conditioning system and its heat dissipating method for data center Download PDFInfo
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- CN105423472B CN105423472B CN201610016385.XA CN201610016385A CN105423472B CN 105423472 B CN105423472 B CN 105423472B CN 201610016385 A CN201610016385 A CN 201610016385A CN 105423472 B CN105423472 B CN 105423472B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of hot-pipe type air conditioning systems for data center,Pass through air-conditioning,Cycle subsystem and outer circulation subsystem in cabinet ventilation unit and heat pipe unit composition,Shell is divided into two enclosure spaces by partition board,Heat pipe heat is configured in such a way that its hot junction and cold end are located among two enclosure spaces of shell in shell,Air-conditioner air outlet is connected to via pipeline with cabinet ventilation unit air intake vent,The air outlet of cabinet ventilation unit is connected to by pipeline with the air intake vent of the enclosure space side in the hot junction of heat pipe unit,Air outlet positioned at its opposite side is connected by pipeline with the air intake vent of air-conditioning,To constitute interior cycle subsystem,The side of the cold end confined space of heat pipe unit has air intake vent,Opposite side has air outlet,To,The effect of the cold end confined space wind turbine of heat pipe unit constitutes outer loop subsystem with external environment.The present invention can effectively avoid the mutual blending of hot and cold air in computer room, improve the integral heat sink efficiency of computer room.
Description
Technical field
The invention belongs to computer room heat dissipation and heat pipe heat exchanging technology fields, are related to a kind of heat being used for data center's (or computer room)
Tube-type air conditioner system and high efficiency radiation method.
Background technology
Data center's (also known as computer room) has become the important component in the national economic development, is to promote national science and technology
Industrial information and digitized mainstay.With the development of data center's scale and integrated level, information technoloy equipment work(in server
Rate density is growing day by day, heat density sharp increase, and the heat dissipation problem and energy consumption problem of data center increasingly attract attention.With
For 100 are stuck with the cabinet of rack server, total power consumption is up to 50 kilowatts, in addition heat radiation cooling system is also required to be equal to
The power consumption of computer hardware itself, with the 0.64 yuan of calculating of every degree commercial power, fault-free runs this rack server within 1 year
About 550,000 yuan of electricity charge will be spent.The power consumption of data center is just increased with annual 15%~20% speed.
Currently, China facing the contradiction of economic rapid growth and environmental resource bearing capacity, energy saving and environmentally friendly as me
The theme of state many pillar of the economy industry developments and upgrading.The construction and development of data center are also required to more energy-saving and environmental protection
Advance with the direction of greenization operation.Traditional thermal management technology of data center such as Forced Air Convection heat exchange, single-phase liquid cooling etc.,
Due to exchange capability of heat deficiency or conditionality etc., cause effect undesirable excessively high with cost.Heat pipe is as a kind of novel
Thermal management technology, have it unique and be widely applied in national economy especially electronic information field in life.Heat
Pipe be it is a kind of by phase-change heat transfer, with superior heat conductivity can heat transfer element, produced by its phase transformation by working media in pipe
Latent heat transmit heat, Equivalent Thermal Conductivities be common metal material thermal conductivity hundreds times even thousands of times, praised
For hot " superconductor ".
Patent of invention (application number 201110215178.4) discloses a kind of heat pipe type heat exchange system for communication data room
And its heat change method, the system are a heat exchange of heat pipe, the heat pipe in shell is gravity type heat pipe and radiating fin, energy
It is enough to reduce the excessively high problem of energy consumption of machine room to a certain extent, alleviate air-conditioning equipment energy consumption it is excessively high bring use Voltage force.But it should
There are several shortcomings for patent disclosure：1) it is not involved with and the hot and cold air in computer room is avoided to blend, therefore it can not
Computer room heat dissipation problem is efficiently solved, the energy consumption reduction degree of computer room is little；2) system is using vertical heat pipe exchanger, heat
Pipe is vertically installed in shell, and the condensation segment of heat pipe is located at the surface of bringing-up section, therefore the height of whole system is higher, this is right
The chisel wall of wall punches and load-bearing has very high requirement, and the binding character of wall suspension type installation is big, and it is vertical to be relatively more suitable for ground
Formula is installed.Utility model patent (application number 201320756559.8) discloses a kind of heat pipe air conditioner that base station uses heat exchange dress
It sets, which is that heat-pipe elements are embedded into air conditioner in machine room device, and heat pipe and air-conditioning are coupled together, and reduces compressor of air conditioner
Opening time, to reduce energy consumption.But the patent has the following disadvantages：1) heat pipe is combined with air-conditioning just needs to air-conditioning
Change is redesigned or is dismounted, it is inconvenient that system is realized and safeguarded；2) patent does not announce the detailed of the heat pipe that it is used
Situation, only gives a position view of the heat pipe in air-conditioning device, and operation possibility is to be improved.Document《Heat pipe-type
Air conditioner in machine room performance test is studied》It is that heat exchange of heat pipe is placed on the ground outside computer room, also without being related to avoiding computer room
The measure of interior hot and cold air blending, document《Information machine room heat pipe air conditioner system application study》It is changed using separate heat pipe
Hot device, advantage is can be remotely locatable, the disadvantage is that its heat exchange efficiency wants small compared to compact heat exchange of heat pipe, document《Using
In the experimental study of the heat pipe air conditioner system of communication base station》In the heat exchange of heat pipe of use, heat pipe is gravity type Water Heat Pipes, heat pipe
Working media be water, since the phase transition temperature of water is relatively high, the heat-transfer capability of this heat pipe is limited.
Invention content
The purpose of the present invention is to propose to a kind of hot-pipe type air conditioning system for data center and a kind of high efficiency and heat radiation sides
Method overcomes the deficiencies in the prior art, the mutual blending of hot and cold air in computer room is effectively avoided, by the way that server to be discharged
Hot gas be delivered directly to an independent hot-pipe type air conditioning system, the air-flow after hot-pipe type air conditioning cooling returns to air conditioner in machine room,
A closed computer room indoor air flow cycle is formed, the integral heat sink efficiency of computer room is improved, computer room operation energy consumption is reduced, to drop
The whole PUE indexs of low computer room, and system installation feasibility is high, install and the cost of maintenance is relatively low.
Technical scheme is as follows：
In order to achieve the above-mentioned object of the invention, the present invention discloses a kind of hot-pipe type air conditioning system for data center, passes through
Cycle subsystem and outer circulation subsystem, the heat pipe unit include shell in air-conditioning, cabinet ventilation unit and heat pipe unit composition
The shell is divided into two enclosure spaces by body and heat pipe heat by partition board, and the heat pipe heat is distinguished with its hot junction and cold end
Mode among two enclosure spaces of shell is configured in the shell, and the interior cycle subsystem is as a result,：It is described
Air-conditioner air outlet is connected to via pipeline with the cabinet ventilation unit air intake vent, and the air outlet of the cabinet ventilation unit passes through pipe
Road is connected to the air intake vent of the enclosure space side in the hot junction of the heat pipe unit, and the air outlet positioned at its opposite side passes through pipe
Road is connected with the air intake vent of the air-conditioning, and to constitute interior cycle subsystem, the outer circulation subsystem is：The heat pipe unit
Cold end confined space side have air intake vent, opposite side have air outlet, to, the cold end of the heat pipe unit is close
It closes space and outer loop subsystem is constituted with external environment by the effect of wind turbine.
It is preferred that it is that cold end is higher than hot junction that the heat pipe unit, which uses gravity-type heat pipe group, configuration mode, the heat pipe heat
With the angle of inclination configured in parallel of 5-15 degree counterclockwise, the shell is fixed on heat pipe by the heat pipe unit by supporting rack
The top of computer room side walls, after fixing, the air outlet and air intake vent of the cold end confined space are respectively positioned on outside computer room, to make
The cold end confined space and the environment formation outer circulation subsystem outside computer room, and the hot junction confined space and the institute in computer room
It states air-conditioning and the cabinet ventilation unit forms interior cycle subsystem.
It is preferred that it is that cold end is higher than hot junction that the heat pipe unit, which uses gravity-type heat pipe group, configuration mode, the heat pipe heat
Vertically configured in parallel, the heat pipe unit are fixed on by the shell on the roof of computer room heat pipe, the hot junction it is close
The air intake vent and air outlet for closing space are passed through in computer room, with the air-conditioning and the cabinet ventilation unit shape being set in computer room
At interior cycle subsystem, the confined space of the cold end directly forms outer loop subsystem with the environment outside computer room.
It is preferred that the cabinet ventilation unit is to be each configured with closing refrigerator in the both sides of cabinet and close hot cabinet, the machine
The air intake vent of cabinet ventilation unit is located at the bottom of the closing refrigerator, and the air outlet of the cabinet ventilation unit is located at the closing
The top of hot cabinet；The pipeline being connected to the air-conditioner air outlet enters via ground end plenum chamber channel and the cabinet ventilation unit
Air port is connected to, and is connected to the air intake vent of the air-conditioning via the furred ceiling of computer room with the air outlet of the confined space in the hot junction.
It is preferred that the heat pipe is using aluminium-ammonia heat pipe or copper-freon heat pipe or aluminium-methanol heat pipe.
It is preferred that extraction fan is installed at the air outlet of the cabinet ventilation unit, the air outlet of the hot junction confined space
Place is equipped with hot junction wind turbine, and cold end wind turbine, the extraction fan and hot junction are equipped at the air intake vent of the cold end confined space
Wind turbine is to determine frequency wind turbine, and the cold end wind turbine is frequency controlling fan.
It is preferred that multiple hot junction intake stacks for being connected to server cabinet in parallel while can be connected to heat pipe
The air inlet of the hot junction side of formula air-conditioner housing.
The present invention provides a kind of high efficiency radiation method for data center, utilizes any one of claim 1~7 institute
The hot-pipe type air conditioning system for data center stated, which is characterized in that including：
Step 1: the work temperature 0 of setting air conditioner in machine room compressor start；
Step 2: the startup threshold values Δ T that the cold end wind turbine of setting hot-pipe type air conditioning system is opened；
Step 3: obtaining the temperature in the temperature T1 in the intake stack of hot junction, computer room outer temperature T2 and hot junction wind pipe
T3；
Step 4: setting T4=T1-T2, as T4 >=Δ T, control program opens cold end wind turbine, and heat pipe starts work, no
Then cold end wind turbine does not start, and heat pipe does not start；
Step 5: as the T4 in step 4 >=Δ T, T5=T4- Δ T are further set, control program is according to temperature T5
Big minor adjustment cold end wind turbine frequency, to adjust the rotating speed of cold end wind turbine, T5 is bigger, and rotating speed can be lower, otherwise rotating speed
It is higher；
Step 6: as T3 >=T0, the compressor start of air conditioner in machine room starts process of refrigerastion, otherwise the pressure of air conditioner in machine room
Contracting machine does not start, and only air-conditioning fan operates.
It is preferred that hot-pipe type air conditioning system and air conditioner in machine room belong to series relationship, and hot-pipe type air conditioning system is located at front,
Therefore server generate heat largely is directly discharged to outside computer room by heat pipe, minor heat load by air conditioner in machine room Lai
It undertakes.
It is preferred that the heat transfer of the heat pipe in hot-pipe type air conditioning system has one-way.As T4 >=Δ T, heat pipe can open automatically
Dynamic, without additional power, after heat pipe starts, heat is transmitted to condensation segment from the evaporator section of heat pipe automatically；As T4 ＜ Δ T,
Heat pipe does not start, and the heat in ambient atmosphere can not be transmitted inversely from the condensation segment of heat pipe to evaporator section.
The present invention improves the integral heat sink effect of computer room, in cabinet in order to avoid the mutual blending of hot and cold air in computer room
Front connect one closing refrigerator, air conditioner in machine room refrigeration after cold airflow pass through ground end air supply pipeline and ground end plenum chamber channel
Afterwards from flow direction closing refrigerator from floor openings, then flow to the server in cabinet.
The heat transfer of heat pipe in the hot-pipe type air conditioning system of the present invention has one-way.As T4 >=Δ T, heat pipe can be certainly
Dynamic to start, without additional power, after heat pipe starts, heat is transmitted to condensation segment from the evaporator section of heat pipe automatically；As T4 ＜ Δs T
When, heat pipe does not start, and the heat in ambient atmosphere can not be transmitted inversely from the condensation segment of heat pipe to evaporator section.In addition,
Hot-pipe type air conditioning system and air conditioner in machine room belong to series relationship, and hot-pipe type air conditioning system is located at front, therefore server produces
Raw heat is largely directly discharged to by heat pipe outside computer room, and minor heat load is undertaken by air conditioner in machine room.Heat pipe-type
Heat pipe in air-conditioning can start in the annual most of the time to be run, the accounting of annual run time the north average more than
70%, the accounting of annual run time, average more than 60%, therefore, hot-pipe type air conditioning system that the present invention announces and dissipates in south
The energy-saving effect of hot method is fairly obvious.
High efficiency radiation method disclosed by the invention, specify hot-pipe type air conditioning and air conditioner in machine room belong to together cooperate,
The division of labor is clear and mutually promotes.When ambient temperature is relatively low, such as winter, the main work of hot-pipe type air conditioning, air conditioner in machine room due to
T3 ＜ T0 and be automatically stopped refrigeration work；When ambient temperature is higher, such as hot summer, the main work of air conditioner in machine room, heat
Tube-type air conditioner is automatically stopped work due to T4 ＜ Δs T, and the thermal current superheater tube of server discharge flows directly into sky without exchanging heat
It adjusts, and due to the unidirectional heat-transfer character of heat pipe, the heat of external environment also can not be transmitted to air-flow by heat pipe；Work as external environment
When temperature is not not high low, such as season in spring and autumn, hot-pipe type air conditioning and air conditioner in machine room work at the same time, based on hot-pipe type air conditioning.In addition,
The collaborative work of the two can also more efficiently ensure the safety of computer room, and when some failure in the two, another is still
In operation work, computer room heat dissipation will not stop, and computer room temperature will not lead to short-term steep temperature rise because of failure and cause to service
The damage of device.
The present invention has the following advantages：
1) whole system to equipment cabinet server and air-conditioning without carrying out dismounting change, and installation maintenance is very easy, and engineering can
It is realisation strong, and system structure is simple, is easy to applied and promoted in the data center of different type and size.
2) two kinds of mounting means of system all do not occupy data center's internal ground and the area in space, all pipelines and
Accessory is all hidden in furred ceiling, and single unit volume is smaller, therefore that whole system has that appearance is neat, space availability ratio is high is excellent
Point.
3) heat pipe that system uses more is suitable for the heat dissipation of electronic device compared to Water Heat Pipes, opens for cryogenic fluid heat pipe
Dynamic operating temperature is lower, heat-transfer capability bigger, the working time accounting of the hot-pipe type air conditioning also bigger in 1 year.
4) a kind of high efficiency radiation method disclosed by the invention couples hot-pipe type air conditioning technology and cold and hot channel enclosed technology
Get up, the hot gas that server is discharged can be delivered directly to heat pipe evaporator section, without passing through the cold and hot blending in computer room, because
This improves the radiating efficiency of hot-pipe type air conditioning system, while also improving the radiating efficiency of entire computer room, reduces computer room fortune
Row energy consumption.
5) both hot-pipe type air conditioning system and computer-room air conditioning system are cascaded, the division of labor is clear, mutually promotes, and couples
Work, being capable of heat dissipation load that is more energy saving, efficient and being safely completed entire data center compared to prior art.
Description of the drawings
Fig. 1 is a kind of fundamental diagram of the hot-pipe type air conditioning system of wall suspension type installation.
Fig. 2 is the front view of suspension type hot-pipe type air conditioning.
Fig. 3 is a kind of fundamental diagram of the hot-pipe type air conditioning system of the vertical installation in roof.
Symbol description
1, wall；2, ground end plenum chamber channel；3, room furred ceiling；4, cabinet；5, refrigerator is closed；6, hot cabinet is closed；7, it takes out
Air fan；8, hot junction intake stack；9, shell；10, support fixed structure；11, tilting heat pipe；12, hot junction wind turbine；13, cold
Hold wind turbine；14, vertical heat pipe；15, hot junction wind pipe；16, air conditioner in machine room；17, ground end air supply pipeline.
Specific implementation mode
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
As shown in Figure 1, the hot-pipe type air conditioning system for data center and a kind of high efficiency radiation method, including closing refrigerator
5, hot cabinet 6, extraction fan 7, hot junction intake stack 8, shell 9, support fixed structure 10, tilting heat pipe 11, hot junction wind are closed
Machine 12, cold end wind turbine 13, vertical heat pipe 14 and hot junction wind pipe 15 etc..
Closing refrigerator 6 is connected to the front for the cabinet 4 for being placed with server, closes the rear portion that hot cabinet 6 is connected to cabinet 4；
The air inlet of hot cabinet 6 and 9 left side hot junction side of shell is closed in the connection of hot junction intake stack 8, and hot junction wind pipe 15 connects shell 9
The return air inlet of the air outlet and air conditioner in machine room 16 of left side hot junction side；Extraction fan 7 is located in hot junction intake stack 8, hot junction wind
Machine 12 is located in hot junction wind pipe 15, and cold end wind turbine 13 is located at the air inlet position of 9 the right cold end side of shell.Tilting heat
Pipe 11 is applied to the inside for the shell 9 that suspension is fixed on wall 1, such as Fig. 1；Vertical heat pipe 14 is applied to place on the ground
The inside of shell 9, such as Fig. 3.Extraction fan 7 and hot junction wind turbine 12 are to determine frequency wind turbine, and the cold end wind turbine 13 is frequency control wind
Machine.
The shell 9 of hot-pipe type air conditioning system is equipped with two ways.One is suspensions to be fixed on computer room side walls 1
Top, as shown in Figure 1.The hot junction of shell 9 is located at 1 the inside of computer room wall, and the cold end of shell 9 is located at the outside of computer room wall 1, shell
The major part in 9 hot junction of body can be covered by room furred ceiling 3, and hot junction intake stack 8 and hot junction wind pipe 15 are also all located at room
Between in furred ceiling 3.One is being placed horizontally on the ground on computer room roof, the hot junction of shell 9 and cold end are all located at computer room roof wall
The outside of wall, and cold end is located at hot junction top, as shown in figure 3, hot junction intake stack 8 and the still cloth set of hot junction wind pipe 15
In room furred ceiling 3.
The evaporator section of tilting heat pipe 11 is located at the hot junction side of shell, and condensation segment is located at the cold end side of shell, heat pipe
Condensation segment relative evaporation section be arranged with the angle of inclination of 5-15 degree counterclockwise.The evaporator section and condensation segment of heat pipe pass through shell
Partition board among body is separated and is sealed.The inside of tilting heat pipe 11 does not have capillary wick, belongs to gravity-type heat pipe.Vertical thermal
The evaporator section of pipe 14 is located at the lower part side of shell, and condensation segment is located at the top side of shell, and heat pipe is with perpendicular to the shape on ground
Formula is arranged.The evaporator section and condensation segment of heat pipe are separated and are sealed by the partition board among shell.Vertical heat pipe 14
Inside does not have capillary wick, belongs to gravity-type heat pipe.The tubing and internal working medium of tilting heat pipe 11 and vertical heat pipe 14 can have
Identical selection, two kinds of heat pipes are recommended using aluminium-ammonia heat pipe or copper-freon heat pipe or aluminium-methanol heat pipe.
Cold airflow after air conditioner in machine room 16 freezes is opened after ground end air supply pipeline 17 and ground end plenum chamber channel 2 from floor
At hole in flow direction closing refrigerator 5, then flow into the server in cabinet 4.The heat that server work generates is absorbed by cold airflow,
Thermal current is formed after air-flow heating and flows out server, is flowed into and is closed in hot cabinet 6, again passes through hot junction intake stack 8 and heat pipe-type
The heat pipes heat section of the hot junction side of air-conditioning system.The heat of thermal current is transmitted to the cooling section of heat pipe by heat pipe from bringing-up section,
Thermal current is cooled down.Thermal current after cooling again passes through hot junction wind pipe 15 and enters in air conditioner in machine room 16.Air conditioner in machine room
Further cooled down to air-flow, and carries out circulating again.
In conjunction with attached drawing 1, Fig. 2 and Fig. 3, to the radiation processes of the hot-pipe type air conditioning system for data center of the present invention into
Row explanation, it is specific as follows：
1) cold airflow after air conditioner in machine room 16 freezes is carried out by ground end air supply pipeline 17 to entirely bottom plenum chamber channel 2
Conveying.Closing at the underlying floor of refrigerator 5 has air outlet orifice plate, a part for cold airflow out laggard from ground end air-supply passage 2
Enter to close in refrigerator 5, then flows into the server in cabinet 4.
2) cold airflow carries out heat transfer process with the heat generating components in server, heats up after cold airflow absorption heat and becomes heat
Air-flow.Under the action of small fan of the thermal current in server, closed in hot cabinet 6 by the flow direction of cabinet 4, then pushed up by closing hot cabinet 6
The extraction fan 7 in portion is taken away, into hot junction intake stack 8.
3) for the hot-pipe type air conditioning system of wall suspension type installation, the thermal current in multiple hot junction intake stacks 8 collects
Hot junction air inlet in 9 left side of shell, such as Fig. 1.Fig. 2 gives the front view of suspension type hot-pipe type air conditioning, and Fig. 1 gives
The side view of suspension type hot-pipe type air conditioning.From Figure 2 it can be seen that thermal current flows on the right side of the hot junction of shell 9, tilting heat is flowed through
The evaporator section of pipe 11.System automatic control program is judged at this time, sets the work temperature 0 of air conditioner in machine room compressor start；
Set the startup threshold values Δ T that the cold end wind turbine of hot-pipe type air conditioning system is opened；Obtain temperature T1, the computer room in the intake stack of hot junction
Temperature T3 in outer temperature T2 and hot junction wind pipe；T4=T1-T2 is set, as T4 >=Δ T, control program opens cold end wind
Machine, heat pipe start work, and otherwise cold end wind turbine does not start, and heat pipe does not start；T5=T4- Δ T are set, control program is according to temperature
The frequency of the big minor adjustment cold end wind turbine of T5, to adjust the rotating speed of cold end wind turbine, T5 is bigger, and rotating speed can be lower, otherwise turns
Speed is higher；As T3 >=T0, the compressor start of air conditioner in machine room starts process of refrigerastion, and otherwise the compressor of air conditioner in machine room does not open
Dynamic, only air-conditioning fan operates.As T4 >=Δ T, tilting heat pipe 11 is in running order, thermal current and tilting heat pipe 11
Evaporator section exchanges heat, and heat is transmitted to the evaporator section of tilting heat pipe 11 from thermal current, and the liquid refrigerant in heat pipe evaporator section is inhaled
Phase transformation is generated after receiving heat, liquid becomes gas, the condensation segment of gaseous working medium automatic stream heat pipe.Thermal current is by heat transfer
It is reduced to temperature after heat pipe, in hot junction under the action of wind turbine 12, is flowed out from the left side in the hot junction of shell 9.As T4 ＜ Δs T
When, tilting heat pipe 11 does not start, and thermal current flows through the evaporator section of heat pipe without heat transfer, and the temperature of thermal current will not drop
It is low, in hot junction under the action of wind turbine 12, flowed out from the left side in the hot junction of shell 9.
4) cold in ambient atmosphere environment such as Fig. 2 under the action of cold end wind turbine 13 at the same time, as T4 >=Δ T
Air flows on the left of the cold end of shell 9, flows through the condensation segment of tilting heat pipe 11.Cool ambient air and tilting heat pipe 11
Condensation segment exchange heat, heat is transmitted to cool ambient air from the condensation segment of tilting heat pipe 11, the working medium in heat pipe condenser section
Occur to condense phase transformation due to heat release, gas becomes liquid, and liquid is flowed from the condensation segment of heat pipe automatically under gravity
The evaporator section of product heat cal rod so constantly recycles repeatedly.Heating becomes hot-air after cool ambient air endothermic heat, and from shell 9
Cold end right side outflow, be discharged into ambient atmosphere.As T4 ＜ Δ T, cold end wind turbine 13 is closed, and the cold end of shell 9 does not have
Air flows.
5) for the hot-pipe type air conditioning system of the vertical installation in roof, the thermal current in multiple hot junction intake stacks 8 comes together in
The hot junction air inlet of 9 lower part of shell, such as Fig. 3.Thermal current flows on the right side of the hot junction of 9 lower part of shell, flows through vertical heat pipe
14 evaporator section.System automatic control program is judged at this time, and as T4 >=Δ T, vertical heat pipe 14 is in running order, heat
Air-flow exchanges heat with the evaporator section of vertical heat pipe 14, and heat is transmitted to the evaporator section of vertical heat pipe 14, heat pipe evaporation from thermal current
Liquid refrigerant in section generates phase transformation after absorbing heat, and liquid becomes gas, the condensation segment of gaseous working medium automatic stream heat pipe.
Temperature is reduced after thermal current transfers heat to heat pipe, in hot junction under the action of wind turbine 12, the hot junction from 9 lower part of shell
Left side outflow.As T4 ＜ Δ T, vertical heat pipe 14 does not start, thermal current flow through the evaporator section of heat pipe and without heat transfer, heat
The temperature of air-flow will not reduce, and in hot junction under the action of wind turbine 12, be flowed out from the left side in the hot junction of 9 lower part of shell.
6) cold in ambient atmosphere environment such as Fig. 3 under the action of cold end wind turbine 13 at the same time, as T4 >=Δ T
Air flows on the left of the cold end on 9 top of shell, flows through the condensation segment of vertical heat pipe 14.Cool ambient air and vertical heat pipe 14
Condensation segment exchange heat, heat is transmitted to cool ambient air from the condensation segment of vertical heat pipe 14, the working medium in heat pipe condenser section by
Occur to condense phase transformation in heat release, gas becomes liquid, and liquid is flowed back to from the condensation segment of heat pipe automatically under gravity
The evaporator section of heat pipe so constantly recycles repeatedly.Heating becomes hot-air after cool ambient air endothermic heat, and from shell 9
The right side of the cold end in portion is flowed out, and is discharged into ambient atmosphere.As T4 ＜ Δ T, cold end wind turbine 13 is closed, and the cold end of shell 9 does not have
There is free flow of air.
7) thermal current flowed out from the hot junction air outlet of shell 9 enters in hot junction wind pipe 15, and finally flows into computer room
In air-conditioning 16.The control program of air conditioner in machine room 16 carries out automatic decision, as T3 >=T0, the compressor start of air conditioner in machine room 16,
Start process of refrigerastion, cooling processing is carried out to the hot gas gas of inflow, thermal current becomes cold airflow.As T3 ＜ T0, show this
When by the thermal current of hot pipe cooling had changed into cold airflow, the compressor of air conditioner in machine room 16 does not start, and process of refrigerastion is not opened
It opens.
8) cold airflow after 16 refrigeration cool-down of air conditioner in machine room again by ground end air supply pipeline 17 to entirely bottom plenum chamber
Channel 2 is conveyed, and is carried out successively according to above-mentioned steps, and cycle repeatedly, forms a closed airflow circulating circuit.
It should be noted last that above content is only to the present invention specific implementation mode example and say
It is bright, and not limit.It modifies or supplements to the above embodiment according to the concept of the present invention or replace by a similar method
In generation, should all be in the protection model of the present invention when spirit that generated function is still covered without departing from specification and attached drawing
In enclosing.
Claims (10)
1. a kind of heat dissipating method for data center is used for by air-conditioning, cabinet ventilation unit and heat pipe unit composition
The hot-pipe type air conditioning system of the data center of cycle subsystem and outer circulation subsystem, the heat pipe unit includes shell and heat pipe
The shell is divided into two enclosure spaces by group by partition board, and the heat pipe heat is located at shell with its hot junction and cold end
Two enclosure spaces among mode be configured in the shell, the interior cycle subsystem is as a result,：The air conditioning exhausting
Mouthful be connected to the cabinet ventilation unit air intake vent via pipeline, the air outlet of the cabinet ventilation unit by pipeline with it is described
The air intake vent of the enclosure space side in the hot junction of heat pipe unit is connected to, be located at the air outlet of its opposite side by pipeline with it is described
The air intake vent of air-conditioning is connected, and to constitute interior cycle subsystem, the outer circulation subsystem is：The cold end of the heat pipe unit is close
There is air intake vent, opposite side to have air outlet for the side for closing space, to which the cold end confined space of the heat pipe unit is logical
The effect and external environment for crossing wind turbine constitute outer loop subsystem, which is characterized in that including：
Step 1: the work temperature 0 of setting air conditioner in machine room compressor start；
Step 2: the startup threshold values Δ T that the cold end wind turbine of setting hot-pipe type air conditioning system is opened；
Step 3: obtaining the temperature T3 in the temperature T1 in the intake stack of hot junction, computer room outer temperature T2 and hot junction wind pipe；
Step 4: setting T4=T1-T2, as T4 >=Δ T, control program opens cold end wind turbine, and heat pipe starts work, otherwise cold
End wind turbine does not start, and heat pipe does not start；
Step 5: as the T4 in step 4 >=Δ T, T5=T4- Δ T are further set, control program is according to the big of temperature T5
The frequency of minor adjustment cold end wind turbine, to adjust the rotating speed of cold end wind turbine, T5 is bigger, and rotating speed can be lower, otherwise rotating speed is higher；
Step 6: as T3 >=T0, the compressor start of air conditioner in machine room starts process of refrigerastion, otherwise the compressor of air conditioner in machine room
Do not start, only air-conditioning fan operates.
2. the heat dissipating method according to claim 1 for data center, it is characterised in that：Hot-pipe type air conditioning system and machine
Room air-conditioning belongs to series relationship, and hot-pipe type air conditioning system is located at front, therefore the heat that server generates largely passes through
Heat pipe is directly discharged to outside computer room, and minor heat load is undertaken by air conditioner in machine room.
3. the heat dissipating method according to claim 1 for data center, it is characterised in that：In hot-pipe type air conditioning system
The heat transfer of heat pipe has one-way, and as T4 >=Δ T, heat pipe can start automatically, and without additional power, heat pipe starts
Afterwards, heat is transmitted to condensation segment from the evaporator section of heat pipe automatically；As T4 ＜ Δ T, heat pipe does not start, the heat in ambient atmosphere without
Method is inversely transmitted from the condensation segment of heat pipe to evaporator section.
4. a kind of hot-pipe type air conditioning system for data center, control unit is using described in any one of claims 1 to 33
Heat dissipating method carry out automatically controlling, it is characterised in that：Interior cycle is formed by air-conditioning, cabinet ventilation unit and heat pipe unit
System and outer circulation subsystem, the heat pipe unit include shell and heat pipe heat, and the shell is divided into two by partition board
Enclosure space, the heat pipe heat are configured at institute in such a way that its hot junction and cold end are located among two enclosure spaces of shell
It states in shell, the interior cycle subsystem is as a result,：The air-conditioner air outlet is via pipeline and the cabinet ventilation unit inlet air
Mouthful connection, the air outlet of the cabinet ventilation unit are entered by pipeline and the enclosure space side in the hot junction of the heat pipe unit
Air port is connected to, and the air outlet for being located at its opposite side is connected by pipeline with the air intake vent of the air-conditioning, to constitute interior cycle
Subsystem, the outer circulation subsystem are：The side of the cold end confined space of the heat pipe unit have air intake vent, opposite one
Side has air outlet, to which the cold end confined space of the heat pipe unit constitutes outside by the effect of wind turbine with external environment
Cycle subsystem.
5. the hot-pipe type air conditioning system according to claim 4 for data center, it is characterised in that：The heat pipe unit
Using gravity-type heat pipe group, configuration mode is that cold end is higher than hot junction, heat pipe the inclining with 5-15 degree counterclockwise of the heat pipe heat
The shell is fixed on the top of computer room side walls by supporting rack, fixed by rake angle configured in parallel, the heat pipe unit
Afterwards, the air outlet of the cold end confined space and air intake vent are respectively positioned on outside computer room, to make the cold end confined space and computer room
Outer environment forms outer circulation subsystem, and the air-conditioning and cabinet ventilation in the hot junction confined space and computer room are single
Member forms interior cycle subsystem.
6. the hot-pipe type air conditioning system according to claim 4 for data center, it is characterised in that：The heat pipe unit
Using gravity-type heat pipe group, configuration mode is that cold end is higher than hot junction, the heat pipe of the heat pipe heat vertically configured in parallel, described
Heat pipe unit is fixed on by the shell on the roof of computer room, and the air intake vent and air outlet of the confined space in the hot junction are passed through
In computer room, interior cycle subsystem is formed with the air-conditioning and the cabinet ventilation unit being set in computer room, the cold end
Confined space directly forms outer loop subsystem with the environment outside computer room.
7. the hot-pipe type air conditioning system for data center according to any one of claim 4~6, it is characterised in that：
The cabinet ventilation unit is to be each configured with closing refrigerator in the both sides of cabinet and close hot cabinet, the cabinet ventilation unit
Air intake vent is located at the bottom of the closing refrigerator, and the air outlet of the cabinet ventilation unit is located at the top of the hot cabinet of closing；
The pipeline being connected to the air-conditioner air outlet is connected to via ground end plenum chamber channel with the air intake vent of the cabinet ventilation unit, with
The air outlet of the confined space in the hot junction is connected to via the furred ceiling of computer room with the air intake vent of the air-conditioning.
8. the hot-pipe type air conditioning system for data center according to any one of claim 4~6, it is characterised in that：
The heat pipe is using aluminium-ammonia heat pipe or copper-freon heat pipe or aluminium-methanol heat pipe.
9. the hot-pipe type air conditioning system according to claim 4 for data center, it is characterised in that：The cabinet ventilation
Extraction fan is installed at the air outlet of unit, hot junction wind turbine is installed at the air outlet of the hot junction confined space, it is described cold
It holds and cold end wind turbine is installed at the air intake vent of confined space, the extraction fan and hot junction wind turbine are to determine frequency wind turbine, the cold end
Wind turbine is frequency controlling fan.
10. a kind of hot-pipe type air conditioning system for data center according to claim 4, it is characterised in that：Multiple companies
Being connected to the hot junction intake stack of server cabinet in parallel while can be connected to the hot junction one of hot-pipe type air conditioning shell
The air inlet of side.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108286758B (en) * | 2016-12-01 | 2023-08-18 | 内蒙古创达热管节能设备有限公司 | Heat pipe type machine room direct expansion energy-saving air conditioner assembly and use method thereof |
| CN107992662B (en) * | 2017-11-27 | 2021-05-18 | 郑州云海信息技术有限公司 | Optimization design of gravity heat pipe air conditioning system and reverse calculation method of variable working condition parameters |
| CN108668508B (en) * | 2018-06-08 | 2024-03-26 | 浙江大学山东工业技术研究院 | Cooling device of cabinet and cabinet |
| CN108668510B (en) * | 2018-06-14 | 2023-10-31 | 浙江大学山东工业技术研究院 | Enclosed hot channel cabinet set |
| CN111954443A (en) * | 2020-08-13 | 2020-11-17 | 杨梅连 | Air exhaust device for computer room |
| CN113015411A (en) * | 2021-02-26 | 2021-06-22 | 中国联合网络通信集团有限公司 | Machine room heat exchange system, control method, device, medium and product |
| CN113068381A (en) * | 2021-04-06 | 2021-07-02 | 苏州领焓能源科技有限公司 | Heat dissipation device and heat dissipation system of data center |
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