CN108458432A - The naturally cold computer-room air conditioning system of passive type heat pipe with auxiliary cold source and its control method - Google Patents

The naturally cold computer-room air conditioning system of passive type heat pipe with auxiliary cold source and its control method Download PDF

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Publication number
CN108458432A
CN108458432A CN201810293731.8A CN201810293731A CN108458432A CN 108458432 A CN108458432 A CN 108458432A CN 201810293731 A CN201810293731 A CN 201810293731A CN 108458432 A CN108458432 A CN 108458432A
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CN
China
Prior art keywords
heat pipe
heat
switching condition
temperature
cold source
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Pending
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CN201810293731.8A
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Chinese (zh)
Inventor
曹会龙
赵大勇
欧阳超波
王颖
文科
苗华
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Shenzhen Iteaq Network Power Technology Co Ltd
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Shenzhen Iteaq Network Power Technology Co Ltd
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Priority to CN201810293731.8A priority Critical patent/CN108458432A/en
Publication of CN108458432A publication Critical patent/CN108458432A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0007Air-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
    • F24F5/001Compression cycle type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers

Abstract

The present invention relates to a kind of naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source and its control method.Wherein, the refrigeration system includes heat pipe circulatory system and the auxiliary cold source circulatory system;The heat pipe circulatory system includes:One heat pipe evaporator connect with the heat pipe evaporator, the heat pipe condenser for cooling down heat pipe heat exchanging medium and is separately connected the heat pipe evaporator and heat pipe condenser, the heat transferring medium compress cell that will be transported to heat pipe evaporator through heat pipe condenser heat pipe heat exchanging medium after cooling;The auxiliary cold source circulatory system includes:The heat exchanger of heat exchange is carried out for heat pipe heat exchanging medium and auxiliary cold source and the compressor for compressing auxiliary cold source;The low-temperature receiver of the low-temperature receiver entrance connect compressor of the heat exchanger exports, the low-temperature receiver entrance of the low-temperature receiver outlet connect compressor of heat exchanger;The outlet of the heat transferring medium entrance connection heat pipe condenser of the heat exchanger, the entrance of the heat transferring medium outlet connection heat transferring medium compress cell of heat exchanger.

Description

The naturally cold computer-room air conditioning system of passive type heat pipe with auxiliary cold source and its control method
Technical field
The present invention relates to Refrigeration Technique low-temperature receivers, natural more specifically to a kind of passive type heat pipe with auxiliary cold source Cold computer-room air conditioning system and its control method.
Background technology
As the development of data center's industry and national energy-saving policy requirements are higher and higher, Energy Conservation and high reliability Application scheme will be the first choice of green data center construction.Conventional refrigeration solution party is used in current all multiple data centers Case, such as air-cooled straight swollen pattern, chilled water pattern, air-cooled double low-temperature receiver patterns.Traditional cooling scheme is primarily present following aspect not Foot:1, the natural coldness resource utilizing under outdoor cryogenic conditions is limited, it is difficult to meet green energy conservation computer room construction requirement;2, traditional cold Freeze water type formula refrigeration solution, diversion enters computer room, and there are leakage hidden trouble, the security node that need to be controlled is more;3, outdoor low temperature In the case of, freezing water coil is easy the risk for freezing that watering cycle can not be normally carried out;
And as computer room data center professional standard further refines, the application of high return air temperature can be promoted gradually, natural The temperature limit of cold air conditioner in machine room can further expand, and reliability requirement also can higher.
Invention content
The technical problem to be solved in the present invention is, it is empty to provide a kind of passive type heat pipe nature cold room with auxiliary cold source Adjusting system and its control method.
The technical solution adopted by the present invention to solve the technical problems is:Construct a kind of passive type heat pipe with auxiliary cold source Naturally cold computer-room air conditioning system comprising heat pipe circulatory system and the auxiliary cold source circulatory system;
The heat pipe circulatory system includes:One heat pipe evaporator, connect with the heat pipe evaporator, for cooling down heat pipe The heat pipe condenser of heat transferring medium and be separately connected the heat pipe evaporator and heat pipe condenser, will be through the heat pipe condenser Heat pipe heat exchanging medium after cooling is transported to the heat transferring medium compress cell of the heat pipe evaporator;
The auxiliary cold source circulatory system includes:The heat exchanger of heat exchange is carried out for heat pipe heat exchanging medium and auxiliary cold source With the compressor for compressing auxiliary cold source;The low-temperature receiver entrance of the heat exchanger connects the low-temperature receiver outlet of the compressor, described The low-temperature receiver outlet of heat exchanger connects the low-temperature receiver entrance of the compressor;The heat transferring medium entrance of the heat exchanger connects the heat pipe The outlet of condenser, the heat transferring medium outlet of the heat exchanger connect the entrance of the heat transferring medium compress cell.
Preferably, the auxiliary cold source circulatory system further includes the condenser for cooling down auxiliary cold source, the condenser Low-temperature receiver entrance connect the low-temperature receiver outlet of the compressor, the low-temperature receiver that the low-temperature receiver outlet of the condenser connects the heat exchanger enters Mouthful.
Preferably, the auxiliary cold source circulatory system further includes low-temperature receiver fluid reservoir, the entrance connection of the low-temperature receiver fluid reservoir The low-temperature receiver of the condenser exports, and the outlet of the low-temperature receiver fluid reservoir connects the low-temperature receiver entrance of the heat exchanger;
And/or the auxiliary cold source circulatory system further includes the oil separation being arranged in the low-temperature receiver exit of the compressor Device, the outlet of the oil eliminator connect the low-temperature receiver entrance of the condenser.
Preferably, the auxiliary cold source circulatory system further includes low-temperature receiver fluid reservoir, the entrance connection of the low-temperature receiver fluid reservoir The heat transferring medium of the heat pipe condenser exports, and the outlet of the low-temperature receiver fluid reservoir connects the heat transferring medium of the heat exchange of heat pipe Entrance;
And/or the auxiliary cold source circulatory system further includes the oil separation being arranged in the low-temperature receiver exit of the compressor Device, the outlet of the oil eliminator connect the heat transferring medium entrance of the heat pipe condenser, the outlet setting of the oil eliminator There is the second check valve.
Preferably, further include the first bypass branch pipe being connected in parallel with the heat pipe condenser, the first bypass branch pipe On be provided with the first solenoid valve;The heat transferring medium entrance of the heat pipe condenser is provided with the first solenoid valve.
Preferably, further include the second bypass branch pipe being connected in parallel with the heat exchanger, set on the second bypass branch pipe It is equipped with third solenoid valve;
The heat transferring medium entrance of the heat exchanger is equipped with the 4th solenoid valve, and the heat transferring medium outlet of the heat exchanger is equipped with the One check valve.
Preferably, the heat pipe evaporator is air-cooled heat pipe evaporator, and the heat pipe condenser is air-cooled heat pipe condenser; The heat pipe circulatory system further includes the heat pipe evaporation fan blown for the heat pipe evaporator and is that the heat pipe condenser is sent The heat pipe condensation fan of wind.
Preferably, the heat transferring medium inlet of the heat pipe evaporator is provided with throttling control valve.
Preferably, the heat transferring medium compress cell includes fluid reservoir for storing heat pipe heat exchanging medium and is the heat The heat pipe kinetic pump of pipe heat transferring medium supercharging;The entrance of the fluid reservoir connects the heat transferring medium outlet of the heat exchanger, described The outlet of fluid reservoir connects the entrance of the heat pipe kinetic pump, and the outlet of the heat pipe kinetic pump connects the heat pipe evaporator Heat transferring medium entrance.
Preferably, the heat pipe circulatory system further includes that the spray equipment of spraying cooling is carried out to outdoor air.
A kind of control method of the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source has also been constructed in the present invention, The control method can be applied to the heretofore described naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source.It is described Control method includes the following steps:
S10, acquisition indoor environment temperature Tn and the first outdoor temperature Ta;
S20, judge whether the first outdoor temperature Ta meets the first switching condition;First switching condition isWherein,For the default first switching temperature difference;
If S30, the first outdoor temperature Ta meet first switching condition, freezed using heat pipe pattern;
If S40, the first outdoor temperature Ta are unsatisfactory for first switching condition, using compressor-heat pipe mixing Pattern is freezed.
Preferably, in the step S40, after the first outdoor temperature Ta is unsatisfactory for first switching condition, It is further comprising the steps of before compressor-heat pipe mixed mode refrigeration:
S401, judge whether the first outdoor temperature Ta meets the second switching condition;Second switching condition isWherein,For the default second switching temperature difference;
If S402, the first outdoor temperature Ta meet second switching condition, judge that practical refrigeration demand Cr is It is no to meet third switching condition;The third switching condition is Cr≤Cs, wherein Cs is default switching refrigeration demand value;
If S4021, the practical refrigeration demand Cr meet the third switching condition, freezed using heat pipe pattern;
It is mixed using compressor-heat pipe if S4022, the practical refrigeration demand Cr are unsatisfactory for the third switching condition Syntype is freezed.
If S403, the first outdoor temperature Ta are unsatisfactory for second switching condition, using compressor-heat pipe mixing Pattern is freezed.
Preferably, in the step S403, after the first outdoor temperature Ta is unsatisfactory for second switching condition, It is further comprising the steps of before compressor-heat pipe mixed mode refrigeration:
S4031, judge whether the first outdoor temperature Ta meets the 4th switching condition;4th switching condition is Ta >=Tset, wherein Tset is that bypass branch pipe opens preset temperature;
If S4032, the first outdoor temperature Ta meet the 4th switching condition, the first bypass branch pipe is opened, is adopted With compressor-heat pipe mixed mode refrigeration;
It is mixed using compressor-heat pipe if S4033, the first outdoor temperature Ta are unsatisfactory for the 4th switching condition Syntype is freezed.
A kind of control method of the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source has also been constructed in the present invention, The control method can be applied to the heretofore described naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source.It is described Control method includes the following steps:
S100, acquisition indoor environment temperature Tn, the second outdoor temperature Ta1 and outside relative humidity after spray RH;
S200, judge whether the second outdoor temperature Ta1 meets the 5th switching condition;5th switching condition isWherein,For the default first switching temperature difference;
If S300, the second outdoor temperature Ta1 meet the 5th switching condition, freezed using heat pipe pattern;
It is mixed using compressor-heat pipe if S400, the second outdoor temperature Ta1 are unsatisfactory for the 5th switching condition Syntype is freezed.
Preferably, in the step S400, the second outdoor temperature Ta1 be unsatisfactory for the 5th switching condition it Afterwards, further comprising the steps of before using compressor-heat pipe mixed mode refrigeration:
S410, judge whether the second outdoor temperature Ta1 meets the 6th switching condition;6th switching condition isWherein,For the default second switching temperature difference;
If S420, the second outdoor temperature Ta1 meet the 6th switching condition, judge that practical refrigeration demand Cr is The 7th switching condition of no satisfaction;7th switching condition is Cr≤Cs, wherein Cs is default switching refrigeration demand value;
If S421, the practical refrigeration demand Cr meet the 7th switching condition, freezed using heat pipe pattern;
If S422, the practical refrigeration demand Cr are unsatisfactory for the 7th switching condition, using compressor-heat pipe mixing Pattern is freezed;
It is mixed using compressor-heat pipe if S430, the second outdoor temperature Ta1 are unsatisfactory for the 6th switching condition Syntype is freezed.
Preferably, in the step S430, the second outdoor temperature Ta1 be unsatisfactory for the 6th switching condition it Afterwards, further comprising the steps of before using compressor-heat pipe mixed mode refrigeration:
S431, judge whether the second outdoor temperature Ta1 meets the 8th switching condition;8th switching condition is Ta1 >=Tset, wherein Tset is that bypass branch pipe opens preset temperature;
If S432, the second outdoor temperature Ta1 meet the 8th switching condition, the first bypass branch pipe is opened, is adopted With compressor-heat pipe mixed mode refrigeration;
It is mixed using compressor-heat pipe if S433, the second outdoor temperature Ta1 are unsatisfactory for the 8th switching condition Syntype is freezed.
Preferably, after the second outdoor temperature Ta1 is unsatisfactory for the 5th switching condition, the step is executed It is further comprising the steps of before S410:
S500, judge whether outside relative humidity RH meets the 9th switching condition;9th switching condition is RH≤A, Wherein, A is default relative humidity;
If S510, the outside relative humidity RH meet the 9th switching condition, spray equipment is enabled, using heat pipe Pattern is freezed;
If S520, the outside relative humidity RH are unsatisfactory for the 9th switching condition, the step S410 is executed.
Preferably, in the step S510, after enabling spray equipment, before being freezed using heat pipe pattern, further include Following steps:
S511, judge whether the second outdoor temperature Ta1 meets the tenth switching condition, the tenth switching condition is
If S512, the second outdoor temperature Ta1 meet the tenth switching condition, freezed using heat pipe pattern;
If S513, the second outdoor temperature Ta1 are unsatisfactory for the tenth switching condition, the step S410 is executed.
The naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source and its control method for implementing the present invention, have Following advantageous effect:1, not diversion enters data center machine room, and reliability is high;2, low temperature natural cooling source in outdoor is made full use of, Energy-saving effect is notable;3, indoor temperature is adjusted as dominating using the heat pipe pump circulatory system, system reliability improves; 4, using heat pipe phase-change heat-exchange, heat exchange efficiency is high, equipment size is small;5, the compressor of the auxiliary cold source circulatory system is external, reduces Computer room inner compressor running noises.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is that the structure of the naturally cold computer-room air conditioning system first embodiment of the passive type heat pipe of the invention with auxiliary cold source is shown It is intended to;
Fig. 2 is that the structure of the naturally cold computer-room air conditioning system second embodiment of the passive type heat pipe of the invention with auxiliary cold source is shown It is intended to;
Fig. 3 is that the structure of the naturally cold computer-room air conditioning system 3rd embodiment of the passive type heat pipe of the invention with auxiliary cold source is shown It is intended to;
Fig. 4 is that the structure of the naturally cold computer-room air conditioning system fourth embodiment of the passive type heat pipe of the invention with auxiliary cold source is shown It is intended to;
Fig. 5 is that the control method first of the naturally cold computer-room air conditioning system of the passive type heat pipe of the invention with auxiliary cold source is implemented The logic diagram of example;
Fig. 6 is that the control method second of the naturally cold computer-room air conditioning system of the passive type heat pipe of the invention with auxiliary cold source is implemented The logic diagram of example.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail The specific implementation mode of the present invention.
As Figure 1-Figure 4, the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source of the invention includes heat Tube circulating system and the auxiliary cold source circulatory system.Wherein, heat pipe circulatory system includes:One heat pipe evaporator 3 is evaporated with heat pipe The connection of device 3 and is separately connected heat pipe evaporator 3 and heat pipe condenser at the heat pipe condenser 4 for cooling down heat pipe heat exchanging medium 4, the heat transferring medium compress cell of heat pipe evaporator 3 will be transported to through 4 heat pipe heat exchanging medium after cooling of heat pipe condenser.Auxiliary The low-temperature receiver circulatory system includes:The heat exchanger 6 of heat exchange is carried out for heat pipe heat exchanging medium and auxiliary cold source and for compressing auxiliary The compressor 8 of low-temperature receiver;The low-temperature receiver of the low-temperature receiver entrance connect compressor 8 of heat exchanger 6 exports, the low-temperature receiver outlet connection pressure of heat exchanger 6 The low-temperature receiver entrance of contracting machine 8;The outlet of the heat transferring medium entrance connection heat pipe condenser 4 of heat exchanger 6, the heat transferring medium of heat exchanger 6 The entrance of outlet connection heat transferring medium compress cell.
In Fig. 1, Fig. 2 and the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source of the invention shown in Fig. 4 In embodiment, refrigeration system further includes the first bypass branch pipe 15 being connected in parallel with heat pipe condenser 4, the first bypass branch pipe 15 Arrival end connection heat pipe evaporator 3 heat transferring medium outlet, first bypass branch pipe 15 outlet end be separately connected the second bypass The arrival end of branch pipe 16 and the heat transferring medium entrance of heat exchanger 6.Wherein, it is provided with the first solenoid valve on the first bypass branch pipe 15 11-1;The heat transferring medium entrance of heat pipe condenser 4 is provided with the first solenoid valve 11-2.Under different refrigeration modes, from heat pipe The heat pipe heat exchanging medium that evaporator 3 comes out is directly entered heat pipe condenser 4 without flowing into the first bypass branch pipe 15, or flows into the One bypass branch pipe 15 is without entering heat pipe condenser 4.
As shown in Figure 1, the naturally cold computer-room air conditioning system first of the passive type heat pipe with auxiliary cold source in the present invention is implemented Further include the second bypass branch pipe 16 being connected in parallel with heat exchanger 6 in example, the arrival end of the second bypass branch pipe 16 is separately connected The outlet of first bypass branch pipe 15 and the heat transferring medium outlet of heat pipe condenser 4, the outlet end connection of the second bypass branch pipe 16 are changed The entrance of thermal medium compress cell.Wherein, it is provided with third solenoid valve 11-3 on the second bypass branch pipe 16;The heat exchange of heat exchanger 6 Medium inlet is equipped with the 4th solenoid valve 11-4, and the heat transferring medium outlet of heat exchanger 6 is equipped with the first check valve 12, by the way that these are arranged Valve can select the circulation path of heat pipe heat exchanging medium according to actual conditions.It should be understood that for some specific applications Condition can also cancel the second bypass branch pipe 16.
Specifically, when being provided with the second bypass branch pipe 16, heat pipe heat exchanging medium can have following two circulation sides Formula:The first, heat pipe heat exchanging medium from second bypass branch pipe 16 pass through, at this time heat exchanger 6 be used as a partition apparatus, by heat pipe The heat pipe heat exchanging medium that condenser 4 comes out will not be by heat exchanger 6, and heat pipe heat exchanging medium is from the second bypass branch pipe 16 by laggard Enter heat transferring medium compress cell;Second, heat pipe heat exchanging medium heat device passes through from heat exchanger tube, cold by assisting in heat exchanger 6 Source opposite heat tube heat transferring medium carries out cooling processing, and heat pipe heat exchanging medium enters heat transferring medium compress cell after the cooling of heat exchanger 6, And the second bypass branch pipe 16 is used as a partition apparatus, heat pipe heat exchanging medium not to pass through the second bypass branch pipe 16 at this time.
In the embodiment of the naturally cold computer-room air conditioning system of Fig. 1-passive type heat pipes of the invention with auxiliary cold source shown in Fig. 4 In, heat pipe evaporator 3 is preferably air-cooled heat pipe evaporator, and heat pipe condenser 4 is air-cooled heat pipe condenser;Heat pipe circulatory system Further include the heat pipe evaporation fan blown for heat pipe evaporator 3 and is the heat pipe condensation fan that heat pipe condenser 4 is blown.Wherein, The position of heat pipe evaporator 3 can carry out design, dispersedly serve indoor machine cabinet and solve the problems, such as hot localised points.
As Figure 1-Figure 4, further, it is provided in the entrance of heat pipe evaporator 3 matched with the heat pipe evaporator 3 Throttle control unit, such as throttling control valve 2, and the heat pipe for controlling into heat pipe evaporator 3 by the way that throttling control valve 2 is arranged changes The flow and flow rate of thermal medium.
Preferably, as Figure 1-Figure 4, heat pipe circulatory system further includes that the spray dress of spraying cooling is carried out to outdoor air Set 13.The spray equipment 13 belong to can arrangement device, selective configuration can be carried out according to application environment and user demand.
As Figure 1-Figure 4, heat transferring medium compress cell includes fluid reservoir 7-1 for storing heat pipe heat exchanging medium and is The heat pipe kinetic pump 1 of heat pipe heat exchanging medium supercharging;The heat transferring medium outlet of the entrance connection heat exchanger 6 of fluid reservoir 7-1, fluid reservoir The heat transferring medium of the entrance of the outlet connection heat pipe kinetic pump 1 of 7-1, the outlet connection heat pipe evaporator 3 of heat pipe kinetic pump 1 enters Mouthful.Heat pipe kinetic pump 1 is preferably by varying capacity pattern, next optional constant volume pattern.Heat pipe heat exchanging medium can be by certain Refrigerant working medium participates in cycle, such as R22, R410A, R134A or R407C, but is not limited to listed several working medium.
Heat exchanger 6 can be plate heat exchanger, double-tube heat exchanger or case tube heat exchanger, and the present invention is without limitation. Preferably, the low-temperature receiver inlet of heat exchanger 6 is provided with throttling control valve 9.Specifically, heat exchanger 6 includes that can carry out heat exchange Two heat exchanging part, respectively the first heat exchanging part and the second heat exchanging part, wherein the setting of the first heat exchanging part is followed in heat pipe heat exchanging medium In loop back path, the second heat exchanging part is arranged in auxiliary cold source circulation loop.Heat transferring medium compress cell connect the first heat exchanging part and Heat pipe evaporator 3, and the heat pipe heat exchanging medium after the cooling of the first heat exchanging part is transported to heat pipe evaporator 3.Auxiliary cold source connects It connects the second heat exchanging part and auxiliary cold source is sent to the auxiliary cold source and first provided to the second heat exchanging part, the second heat exchanging part by outside Heat pipe heat exchanging medium in heat exchanging part carries out heat exchange, makes the heat pipe heat exchanging medium cooling being located in the first heat exchanging part.After cooling Heat pipe heat exchanging medium entered in heat pipe evaporator 3 by heat transferring medium compress cell, complete final indoor refrigeration cool-down.
Specifically, the low-temperature receiver entrance of the heat exchanger 6 be heat exchanger 6 the second heat exchanging part entrance, the heat exchanger 6 it is cold Source outlet is that the second heat exchanging part of heat exchanger 6 exports, and heat transferring medium confession may be used in the auxiliary cold source of the auxiliary cold source circulatory system It answers, the chilled water either low-temperature receiver of cooling water or other suitable temperatures can also be used.For example, when auxiliary cold source is cold water, Cold water enters from the second heat exchanging part entrance of heat exchanger 6 in the second heat exchanging part, in the second heat exchanging part of heat exchanger 6, cold water Cooled down by the heat pipe heat exchanging medium in the first heat exchanging part of heat exchange pair, the cold water of the script water temperature liter after heat exchange Height is exported from the second heat exchanging part of heat exchanger 6 and is flowed out;And after the heat pipe heat exchanging medium in the first heat exchanging part crosses cooling, by changing Thermal medium compress cell enters heat pipe evaporator 3, completes final indoor refrigeration cool-down.
The unlimited pattern for determining compressor 8 of the present invention, preferably by variable conpacitance compressor, secondly optional constant volume compression Machine.
As shown in Figure 1-Figure 3, it is preferable that the auxiliary cold source circulatory system further includes the condenser 5 for cooling down auxiliary cold source, The low-temperature receiver of the low-temperature receiver entrance connect compressor of condenser 5 exports, the low-temperature receiver entrance of the low-temperature receiver outlet connection heat exchanger 6 of condenser 5. Auxiliary cold source heats up after heat exchanger 6 carries out heat exchange with heat pipe heat exchanging medium, and the auxiliary cold source after heating passes through 8 quilt of compressor Compressor 8 is compressed into the gaseous state low-temperature receiver of high temperature and pressure, and the gaseous state low-temperature receiver of high temperature and pressure cools down using condenser 5, becomes The liquid low-temperature receiver of the liquid low-temperature receiver of low temperature, low temperature flow back into heat exchanger 6 again and the heat pipe heat exchanging medium of heat pipe circulation loop carries out Heat exchange.Further, the auxiliary cold source circulatory system further includes low-temperature receiver fluid reservoir 7-2, and the entrance connection of low-temperature receiver fluid reservoir 7-2 is cold The low-temperature receiver of condenser 5 exports, the low-temperature receiver entrance of the outlet connection heat exchanger 6 of low-temperature receiver fluid reservoir 7-2;And/or auxiliary cold source cyclic system System further includes the oil eliminator 10 being arranged in the low-temperature receiver exit of compressor 8, and the outlet of oil eliminator 10 connects the cold of condenser 5 Source inlet.The effect of oil eliminator 10 is to detach the lubricating oil in high steam that compressor 8 is discharged, to ensure device Safely and efficiently run.
Condenser 5 can be configured according to actual needs.As shown in figure 4, in passive type of the present invention with auxiliary cold source In the fourth embodiment of the naturally cold computer-room air conditioning system of heat pipe, it is not provided with condenser, it at this time can be by by the cold of compressor 8 The heat transferring medium outlet of the heat transferring medium entrance of source outlet connection heat pipe condenser 4, heat pipe condenser 4 connects the cold of heat exchanger 6 Source inlet cools down to the auxiliary cold source come out from compressor 8 by heat pipe condenser 4;And at this time from heat pipe evaporator Heat pipe heat exchanging medium out is directly entered heat exchanger 6 no longer by heat pipe condenser 4 from the first bypass circulation of branch pipe 15 In, carry out heat exchange with auxiliary cold source.The heat transferring medium outlet of heat pipe condenser 4 is equipped with two branched pipes, is the first branch respectively Pipe and second branched pipe, wherein the heat transferring medium entrance of the first branched pipe connection heat exchanger, and the is equipped on the first branched pipe Five solenoid valve 11-5;Second branched pipe connects the low-temperature receiver entrance of heat exchanger, and the 6th solenoid valve 11- is equipped in second branched pipe 6.Further, the auxiliary cold source circulatory system further includes low-temperature receiver fluid reservoir 7-2, and the entrance of low-temperature receiver fluid reservoir 7-2 connects heat pipe cold The heat transferring medium of condenser 4 exports, the heat transferring medium entrance of the outlet connection heat exchange of heat pipe 6 of low-temperature receiver fluid reservoir 7-2;And/or it is auxiliary It further includes the oil eliminator 10 being arranged in the low-temperature receiver exit of compressor 8 to help the low-temperature receiver circulatory system, and the outlet of oil eliminator 10 connects The heat transferring medium entrance of heat pipe condenser 4 is connect, the outlet of oil eliminator 10 is provided with the second check valve 14.The work of oil eliminator 10 With being to detach the lubricating oil in high steam that compressor 8 is discharged, to ensure that equipment safety is efficiently run.
It should be understood that according to the difference of each device installation site, the passive type heat pipe of the invention with auxiliary cold source is certainly Right cold computer-room air conditioning system can be divided into indoor section 100 and outdoor section 200, as Figure 1-Figure 4.Wherein, indoor section 100 include mainly heat pipe evaporator 3 and throttling control valve 2, forms heat pipe and evaporates end.Outdoor section 200 includes mainly heat pipe Condenser 4, fluid reservoir 7-1, heat pipe kinetic pump 1, first bypass branch pipe 15, second bypass branch pipe 16, heat exchanger 6, compressor 8, Oil eliminator 10, condenser 5 and low-temperature receiver fluid reservoir 7-2 etc..Preferably, the passive type heat pipe of the invention with auxiliary cold source is natural Each device in cold computer-room air conditioning system each embodiment shown in Fig. 1-Fig. 4 can require to encapsulate according to the dashed box in figure, also may be used To select different components encapsulation according to practical situations, but different packaged types belong to the content that this patent includes.
The naturally cold computer-room air conditioning system of passive type heat pipe of the present invention with auxiliary cold source may include heat pipe pattern and compressor- Both refrigeration modes of heat pipe mixed mode, user can select suitable refrigeration mode according to different application conditions.
Wherein, heat pipe pattern is:Heat pipe heat exchanging medium, successively heat pipe evaporator 3 Jing Guo heat pipe circulatory system absorb machine Thermic load in room is then passed through heat pipe condenser 4, is discharged into the thermic load of heat pipe heat exchanging medium by heat pipe condenser 4 Outdoor, heat pipe heat exchanging medium are converted to liquid by gaseous state;Be then converted into the heat pipe heat exchanging medium of liquid using heat exchanger 6 into Enter heat transferring medium compress cell fluid reservoir 7-1 (or by second bypass branch pipe 16 enter heat transferring medium compress cell storage Flow container 7-1);Heat pipe heat exchanging medium is finally sent into heat pipe evaporator 3 by the heat pipe kinetic pump 1 of heat transferring medium compress cell, it is complete It is recycled at heat-pipe refrigerating.
Compressor-heat pipe mixed mode is:Under heat pipe pattern, while the auxiliary cold source circulatory system is opened, passes through auxiliary Low-temperature receiver circulatory system heat exchanging device 6 provides auxiliary cold source and carrys out replenishment system cold;Compressor 8 is opened, heat pipe heat exchanging medium passes through The heat pipe evaporator 3 of heat pipe circulatory system absorbs the thermic load in computer room, is then passed through heat pipe condenser 4, is condensed by heat pipe The thermic load of heat pipe heat exchanging medium is discharged into outdoor by device 4, and heat pipe heat exchanging medium is converted to liquid by gaseous state;It is then converted into liquid The heat pipe heat exchanging medium of state enters back into heat exchanger 6, and heat exchange is carried out by auxiliary cold source opposite heat tube heat transferring medium in heat exchanger 6 Make heat pipe heat exchanging medium cooling, the heat pipe heat exchanging medium after cooling enters the fluid reservoir 7-1 of heat transferring medium compress cell, finally by Heat pipe heat exchanging medium is sent into heat pipe evaporator 3 by the heat pipe kinetic pump 1 of heat transferring medium compress cell;And auxiliary cold source is in heat exchanger After 6 carry out heat exchange absorption indoor heat load, then in turn through compressor 8, condenser 5 and throttling control valve 9, return again later It is back to heat exchanger 6 and completes heat exchanging process.Wherein, according to outdoor environment temperature condition, when outdoor environment temperature is higher than certain condition When value, the heat transferring medium selection in heat-pipe refrigerating cycle walks the first bypass branch pipe 15 and completes cycle;Conversely, then walking heat pipe condenser 4 complete refrigeration cycle.
As shown in figure 5, a kind of naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source has also been constructed in the present invention Control method, it is empty which can be applied to heretofore described passive type heat pipe nature cold room with auxiliary cold source Adjusting system.Refering to Fig. 5, the control method includes the following steps:
S10, acquisition indoor environment temperature Tn and the first outdoor temperature Ta.Wherein, heat pipe evaporator is set to interior, indoor Environment temperature Tn can be the return air temperature of heat pipe evaporator 3;First outdoor temperature Ta can be outdoor environment temperature or heat pipe cold Condenser inlet temperature, heat pipe condenser are set to outdoor.
S20, judge whether the first outdoor temperature Ta meets the first switching condition;First switching condition is Wherein,For the default first switching temperature difference.
If S30, the first outdoor temperature Ta meet the first switching condition, freezed using heat pipe pattern.
If S40, the first outdoor temperature Ta are unsatisfactory for the first switching condition, using compressor-heat pipe mixed mode refrigeration.
Preferably, in step S40, after the first outdoor temperature Ta is unsatisfactory for the first switching condition, using compressor-heat It is further comprising the steps of before pipe mixed mode refrigeration:
S401, judge whether the first outdoor temperature Ta meets the second switching condition;Second switching condition isWherein,For the default second switching temperature difference;
If S402, the first outdoor temperature Ta meet the second switching condition, judge whether practical refrigeration demand Cr meets the Three switching conditions;Third switching condition is Cr≤Cs, wherein Cs is default switching refrigeration demand value;
If S4021, practical maximum refrigeration demand Cr meet third switching condition, freezed using heat pipe pattern;
If S4022, practical refrigeration demand Cr are unsatisfactory for third switching condition, compressor-heat pipe mixed mode system is used It is cold.
If S403, the first outdoor temperature Ta are unsatisfactory for the second switching condition, compressor-heat pipe mixed mode system is used It is cold.
Preferably, in step S403, after the first outdoor temperature Ta is unsatisfactory for the second switching condition, using compressor- It is further comprising the steps of before heat pipe mixed mode refrigeration:
S4031, judge whether the first outdoor temperature Ta meets the 4th switching condition;4th switching condition is Ta >=Tset, Wherein, Tset is that bypass branch pipe opens preset temperature;
If S4032, the first outdoor temperature Ta meet the 4th switching condition, the first bypass branch pipe 15 is opened, using compression Machine-heat pipe mixed mode refrigeration;
If S4033, the first outdoor temperature Ta are unsatisfactory for the 4th switching condition, compressor-heat pipe mixed mode system is used It is cold.
Wherein, in the present invention in the control method of the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source, heat Pipe die formula is:Heat pipe heat exchanging medium, the thermic load in the absorption computer room of heat pipe evaporator 3 Jing Guo heat pipe circulatory system, connects successively It by heat pipe condenser 4, the thermic load of heat pipe heat exchanging medium is discharged by outdoor by heat pipe condenser 4, heat pipe heat exchanging is situated between Matter is converted to liquid by gaseous state;The heat pipe heat exchanging medium for being then converted into liquid enters heat transferring medium supercharging using heat exchanger 6 The fluid reservoir 7-1 (or entering the fluid reservoir 7-1 of heat transferring medium compress cell by the second bypass branch pipe 16) of unit;Finally by Heat pipe heat exchanging medium is sent into heat pipe evaporator 3 by the heat pipe kinetic pump 1 of heat transferring medium compress cell, completes heat-pipe refrigerating cycle.
Compressor-heat pipe mixed mode is:Under heat pipe pattern, while the auxiliary cold source circulatory system is opened, passes through auxiliary Low-temperature receiver circulatory system heat exchanging device 6 provides auxiliary cold source and carrys out replenishment system cold;Compressor 8 is opened, heat pipe heat exchanging medium passes through The heat pipe evaporator 3 of heat pipe circulatory system absorbs the thermic load in computer room, is then passed through heat pipe condenser 4, is condensed by heat pipe The thermic load of heat pipe heat exchanging medium is discharged into outdoor by device 4, and heat pipe heat exchanging medium is converted to liquid by gaseous state;It is then converted into liquid The heat pipe heat exchanging medium of state enters back into heat exchanger 6, and heat exchange is carried out by auxiliary cold source opposite heat tube heat transferring medium in heat exchanger 6 Make heat pipe heat exchanging medium cooling, the heat pipe heat exchanging medium after cooling enters the fluid reservoir 7-1 of heat transferring medium compress cell, finally by Heat pipe heat exchanging medium is sent into heat pipe evaporator 3 by the heat pipe kinetic pump 1 of heat transferring medium compress cell;And auxiliary cold source is in heat exchanger After 6 carry out heat exchange absorption indoor heat load, then in turn through compressor 8, condenser and throttling control valve 9, return again later It is back to heat exchanger 6 and completes heat exchanging process.Wherein, according to outdoor environment temperature condition, when outdoor environment temperature is higher than certain condition When value, the heat transferring medium selection in heat-pipe refrigerating cycle walks the first bypass branch pipe 15 and completes cycle;Conversely, then walking heat pipe condenser 4 complete refrigeration cycle.
It should be understood that the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source of the present invention can also pass through The wind pushing temperature Ts for acquiring outdoor environment temperature and heat pipe evaporator, according to the wind pushing temperature Ts and outdoor environment of heat pipe evaporator Temperature carries out refrigeration mode switching control.Under some temperature conditions, the auxiliary cold source circulatory system can also be cancelled, fully relied on Heat pipe circulatory system utilizes the natural cooling source to freeze.
As shown in fig. 6, a kind of naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source has also been constructed in the present invention Control method, which can be applied to the naturally cold air conditioner in machine room system of the passive type heat pipe with auxiliary cold source in the present invention System.Refering to Fig. 6, which includes the following steps:
S100, acquisition indoor environment temperature Tn, the second outdoor temperature Ta1 and outside relative humidity after spray RH.Specifically, heat pipe evaporator is set to interior, indoor environment temperature Tn can be the return air temperature of heat pipe evaporator 3;Second Room Outer temperature Ta1 is temperature of the outdoor air after spray or the heat pipe condenser inlet temperature after spray, heat pipe condenser It is set to outdoor.
S200, judge whether the second outdoor temperature Ta1 meets the 5th switching condition;5th switching condition isWherein,For the default first switching temperature difference.
If S300, the second outdoor temperature Ta1 meet the 5th switching condition, freezed using heat pipe pattern.
If S400, the second outdoor temperature Ta1 are unsatisfactory for the 5th switching condition, compressor-heat pipe mixed mode system is used It is cold.
Preferably, in step S400, after the second outdoor temperature Ta1 is unsatisfactory for the 5th switching condition, using compressor- It is further comprising the steps of before heat pipe mixed mode refrigeration:
S410, judge whether the second outdoor temperature Ta1 meets the 6th switching condition;6th switching condition isWherein,For the default second switching temperature difference;
If S420, the second outdoor temperature Ta1 meet the 6th switching condition, judge whether practical refrigeration demand Cr meets the Seven switching conditions;7th switching condition is Cr≤Cs, wherein Cs is default switching refrigeration demand value;
If S421, practical refrigeration demand Cr meet the 7th switching condition, freezed using heat pipe pattern;
If S422, practical refrigeration demand Cr are unsatisfactory for the 7th switching condition, compressor-heat pipe mixed mode system is used It is cold;
If S430, the second outdoor temperature Ta1 are unsatisfactory for the 6th switching condition, compressor-heat pipe mixed mode system is used It is cold.
Preferably, in step S430, after the second outdoor temperature Ta1 is unsatisfactory for the 6th switching condition, using compressor- It is further comprising the steps of before heat pipe mixed mode refrigeration:
S431, judge whether the second outdoor temperature Ta1 meets the 8th switching condition;8th switching condition is Ta1 >=Tset, Wherein, Tset is that bypass branch pipe opens preset temperature;
If S432, the second outdoor temperature Ta1 meet the 8th switching condition, the first bypass branch pipe 15 is opened, using compression Machine-heat pipe mixed mode refrigeration;
If S433, the second outdoor temperature Ta1 are unsatisfactory for the 8th switching condition, compressor-heat pipe mixed mode system is used It is cold.
Preferably, it after the second outdoor temperature Ta1 is unsatisfactory for the 5th switching condition, before executing step S410, also wraps Include following steps:
S500, judge whether outside relative humidity RH meets the 9th switching condition;9th switching condition is RH≤A, wherein A is default relative humidity;
If S510, outside relative humidity RH meet the 9th switching condition, spray equipment 13 is enabled, using heat pipe pattern system It is cold;
If S520, outside relative humidity RH are unsatisfactory for the 9th switching condition, S410 is thened follow the steps.
Preferably, in step S510, after enabling spray equipment 13, using heat pipe pattern freeze before, further include with Lower step:
S511, judge whether the second outdoor temperature Ta1 meets the tenth switching condition, the tenth switching condition is
If S512, the second outdoor temperature Ta1 meet the tenth switching condition, freezed using heat pipe pattern;
If S513, the second outdoor temperature Ta1 are unsatisfactory for the tenth switching condition, S410 is thened follow the steps.
Wherein, in the present invention in the control method of the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source, heat Pipe die formula is:Heat pipe heat exchanging medium, the thermic load in the absorption computer room of heat pipe evaporator 3 Jing Guo heat pipe circulatory system, connects successively It by heat pipe condenser 4, the thermic load of heat pipe heat exchanging medium is discharged by outdoor by heat pipe condenser 4, heat pipe heat exchanging is situated between Matter is converted to liquid by gaseous state;The heat pipe heat exchanging medium for being then converted into liquid enters heat transferring medium supercharging using heat exchanger 6 The fluid reservoir 7-1 (or entering the fluid reservoir 7-1 of heat transferring medium compress cell by the second bypass branch pipe 16) of unit;Finally by Heat pipe heat exchanging medium is sent into heat pipe evaporator 3 by the heat pipe kinetic pump 1 of heat transferring medium compress cell, completes heat-pipe refrigerating cycle.
Compressor-heat pipe mixed mode is:Under heat pipe pattern, while the auxiliary cold source circulatory system is opened, passes through auxiliary Low-temperature receiver circulatory system heat exchanging device 6 provides auxiliary cold source and carrys out replenishment system cold;Compressor 8 is opened, heat pipe heat exchanging medium passes through The heat pipe evaporator 3 of heat pipe circulatory system absorbs the thermic load in computer room, is then passed through heat pipe condenser 4, is condensed by heat pipe The thermic load of heat pipe heat exchanging medium is discharged into outdoor by device 4, and heat pipe heat exchanging medium is converted to liquid by gaseous state;It is then converted into liquid The heat pipe heat exchanging medium of state enters back into heat exchanger 6, and heat exchange is carried out by auxiliary cold source opposite heat tube heat transferring medium in heat exchanger 6 Make heat pipe heat exchanging medium cooling, the heat pipe heat exchanging medium after cooling enters the fluid reservoir 7-1 of heat transferring medium compress cell, finally by Heat pipe heat exchanging medium is sent into heat pipe evaporator 3 by the heat pipe kinetic pump 1 of heat transferring medium compress cell;And auxiliary cold source is in heat exchanger After 6 carry out heat exchange absorption indoor heat load, then in turn through compressor 8, condenser and throttling control valve 9, return again later It is back to heat exchanger 6 and completes heat exchanging process.Wherein, according to outdoor environment temperature condition, when outdoor environment temperature is higher than certain condition When value, the heat transferring medium selection in heat-pipe refrigerating cycle walks the first bypass branch pipe 15 and completes cycle;Conversely, then walking heat pipe condenser 4 complete refrigeration cycle.
It should be understood that the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source of the present invention can also pass through The wind pushing temperature Ts for acquiring outdoor environment temperature and heat pipe evaporator, according to the wind pushing temperature Ts and outdoor environment of heat pipe evaporator Temperature carries out refrigeration mode switching control.Under some temperature conditions, the auxiliary cold source circulatory system can also be cancelled, fully relied on Heat pipe circulatory system utilizes the natural cooling source to freeze.
It should be understood that above example only expresses the preferred embodiment of the present invention, description is more specific and detailed Carefully, but it cannot be construed as a limitation to the scope of the present invention;It should be pointed out that for the common skill of this field For art personnel, without departing from the inventive concept of the premise, above-mentioned technical characterstic can be freely combined, can also be done Go out several modifications and improvements, these are all within the scope of protection of the present invention;Therefore, all to be done with scope of the invention as claimed Equivalents and modification, should all belong to the covering scope of the claims in the present invention.

Claims (18)

1. a kind of naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source, which is characterized in that including heat pipe cyclic system System and the auxiliary cold source circulatory system;
The heat pipe circulatory system includes:One heat pipe evaporator (3) connect with the heat pipe evaporator (3), for cooling heat The heat pipe condenser (4) of pipe heat transferring medium and be separately connected the heat pipe evaporator (3) and heat pipe condenser (4), will be through institute State the heat transferring medium compress cell that heat pipe condenser (4) heat pipe heat exchanging medium after cooling is transported to the heat pipe evaporator (3);
The auxiliary cold source circulatory system includes:The heat exchanger (6) of heat exchange is carried out for heat pipe heat exchanging medium and auxiliary cold source With the compressor (8) for compressing auxiliary cold source;The low-temperature receiver entrance of the heat exchanger (6) connects the low-temperature receiver of the compressor (8) Outlet, the low-temperature receiver outlet of the heat exchanger (6) connect the low-temperature receiver entrance of the compressor (8);The heat exchange of the heat exchanger (6) is situated between Matter entrance connects the outlet of the heat pipe condenser (4), and the heat transferring medium outlet of the heat exchanger (6) connects the heat transferring medium The entrance of compress cell.
2. the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source according to claim 1, which is characterized in that The auxiliary cold source circulatory system further includes for cooling down the condenser of auxiliary cold source (5), the low-temperature receiver entrance of the condenser (5) The low-temperature receiver outlet of the compressor (8) is connected, the low-temperature receiver of the low-temperature receiver outlet connection heat exchanger (6) of the condenser (5) enters Mouthful.
3. the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source according to claim 2, which is characterized in that The auxiliary cold source circulatory system further includes low-temperature receiver fluid reservoir (7-2), and the entrance connection of the low-temperature receiver fluid reservoir (7-2) is described cold The low-temperature receiver of condenser (5) exports, and the outlet of the low-temperature receiver fluid reservoir (7-2) connects the low-temperature receiver entrance of the heat exchanger (6);
And/or the auxiliary cold source circulatory system further includes oil eliminator of the setting in the low-temperature receiver exit of the compressor (8) (10), the outlet of the oil eliminator (10) connects the low-temperature receiver entrance of the condenser (5).
4. the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source according to claim 1, which is characterized in that The auxiliary cold source circulatory system further includes low-temperature receiver fluid reservoir (7-2), and the entrance of the low-temperature receiver fluid reservoir (7-2) connects the heat The heat transferring medium of pipework condensation device (4) exports, and the outlet of the low-temperature receiver fluid reservoir (7-2) connects changing for heat exchange of heat pipe (6) Thermal medium entrance;
And/or the auxiliary cold source circulatory system further includes oil eliminator of the setting in the low-temperature receiver exit of the compressor (8) (10), the outlet of the oil eliminator (10) connects the heat transferring medium entrance of the heat pipe condenser (4), the oil eliminator (10) outlet is provided with the second check valve (14).
5. the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source according to claim 1, which is characterized in that Further include the first bypass branch pipe (15) being connected in parallel with the heat pipe condenser (4), is set on the first bypass branch pipe (15) It is equipped with the first solenoid valve (11-1);The heat transferring medium entrance of the heat pipe condenser (4) is provided with the first solenoid valve (11-2).
6. the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source according to claim 1, which is characterized in that Further include the second bypass branch pipe (16) being connected in parallel with the heat exchanger (6), is provided on the second bypass branch pipe (16) Third solenoid valve (11-3);
The heat transferring medium entrance of the heat exchanger (6) is equipped with the 4th solenoid valve (11-4), and the heat transferring medium of the heat exchanger (6) goes out Mouth is equipped with the first check valve (12).
7. the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source according to claim 1, which is characterized in that The heat pipe evaporator (3) is air-cooled heat pipe evaporator, and the heat pipe condenser (4) is air-cooled heat pipe condenser;The heat pipe The circulatory system further includes the heat pipe evaporation fan blown for the heat pipe evaporator (3) and is the heat pipe condenser (4) air-supply Heat pipe condensation fan.
8. the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source according to claim 1, which is characterized in that The heat transferring medium inlet of the heat pipe evaporator (3) is provided with throttling control valve (2).
9. the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source according to claim 1, which is characterized in that The heat transferring medium compress cell includes for storing the fluid reservoir of heat pipe heat exchanging medium (7-1) and being the heat pipe heat exchanging medium The heat pipe kinetic pump (1) of supercharging;The entrance of the fluid reservoir (7-1) connects the heat transferring medium outlet of the heat exchanger (6), described The outlet of fluid reservoir (7-1) connects the entrance of the heat pipe kinetic pump (1), described in the outlet connection of the heat pipe kinetic pump (1) The heat transferring medium entrance of heat pipe evaporator (3).
10. according to the naturally cold computer-room air conditioning system of passive type heat pipe of the claim 1-9 any one of them with auxiliary cold source, It is characterized in that, the heat pipe circulatory system further includes that the spray equipment (13) of spraying cooling is carried out to outdoor air.
11. a kind of control method of the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source, which is characterized in that described Control method includes the following steps:
S10, acquisition indoor environment temperature Tn and the first outdoor temperature Ta;
S20, judge whether the first outdoor temperature Ta meets the first switching condition;First switching condition isWherein,For the default first switching temperature difference;
If S30, the first outdoor temperature Ta meet first switching condition, freezed using heat pipe pattern;
If S40, the first outdoor temperature Ta are unsatisfactory for first switching condition, compressor-heat pipe mixed mode is used Refrigeration.
12. control method according to claim 11, which is characterized in that in the step S40, in first outdoor temp Degree Ta is unsatisfactory for after first switching condition, further includes following step before compressor-heat pipe mixed mode refrigeration Suddenly:
S401, judge whether the first outdoor temperature Ta meets the second switching condition;Second switching condition isWherein,For the default second switching temperature difference;
If S402, the first outdoor temperature Ta meet second switching condition, judge whether practical refrigeration demand Cr is full Sufficient third switching condition;The third switching condition is Cr≤Cs, wherein Cs is default switching refrigeration demand value;
If S4021, the practical refrigeration demand Cr meet the third switching condition, freezed using heat pipe pattern;
If S4022, the practical refrigeration demand Cr are unsatisfactory for the third switching condition, compressor-heat pipe hybrid guided mode is used Formula is freezed.
If S403, the first outdoor temperature Ta are unsatisfactory for second switching condition, compressor-heat pipe mixed mode is used Refrigeration.
13. control method according to claim 12, which is characterized in that outdoor described first in the step S403 Temperature Ta is unsatisfactory for after second switching condition, further includes following step before compressor-heat pipe mixed mode refrigeration Suddenly:
S4031, judge whether the first outdoor temperature Ta meets the 4th switching condition;4th switching condition be Ta >= Tset, wherein Tset is that bypass branch pipe opens preset temperature;
If S4032, the first outdoor temperature Ta meet the 4th switching condition, the first bypass branch pipe is opened, using pressure Contracting machine-heat pipe mixed mode refrigeration;
If S4033, the first outdoor temperature Ta are unsatisfactory for the 4th switching condition, compressor-heat pipe hybrid guided mode is used Formula is freezed.
14. a kind of control method of the naturally cold computer-room air conditioning system of the passive type heat pipe with auxiliary cold source, which is characterized in that described Control method includes the following steps:
S100, acquisition indoor environment temperature Tn, the second outdoor temperature Ta1 and outside relative humidity RH after spray;
S200, judge whether the second outdoor temperature Ta1 meets the 5th switching condition;5th switching condition isWherein,For the default first switching temperature difference;
If S300, the second outdoor temperature Ta1 meet the 5th switching condition, freezed using heat pipe pattern;
If S400, the second outdoor temperature Ta1 are unsatisfactory for the 5th switching condition, compressor-heat pipe hybrid guided mode is used Formula is freezed.
15. control method according to claim 14, which is characterized in that in the step S400, outside the second Room Temperature Ta1 is unsatisfactory for after the 5th switching condition, further includes following before compressor-heat pipe mixed mode refrigeration Step:
S410, judge whether the second outdoor temperature Ta1 meets the 6th switching condition;6th switching condition isWherein,For the default second switching temperature difference;
If S420, the second outdoor temperature Ta1 meet the 6th switching condition, judge whether practical refrigeration demand Cr is full The 7th switching condition of foot;7th switching condition is Cr≤Cs, wherein Cs is default switching refrigeration demand value;
If S421, the practical refrigeration demand Cr meet the 7th switching condition, freezed using heat pipe pattern;
If S422, the practical refrigeration demand Cr are unsatisfactory for the 7th switching condition, compressor-heat pipe mixed mode is used Refrigeration;
If S430, the second outdoor temperature Ta1 are unsatisfactory for the 6th switching condition, compressor-heat pipe hybrid guided mode is used Formula is freezed.
16. control method according to claim 15, which is characterized in that in the step S430, outside the second Room Temperature Ta1 is unsatisfactory for after the 6th switching condition, further includes following before compressor-heat pipe mixed mode refrigeration Step:
S431, judge whether the second outdoor temperature Ta1 meets the 8th switching condition;8th switching condition be Ta1 >= Tset, wherein Tset is that bypass branch pipe opens preset temperature;
If S432, the second outdoor temperature Ta1 meet the 8th switching condition, the first bypass branch pipe is opened, using pressure Contracting machine-heat pipe mixed mode refrigeration;
If S433, the second outdoor temperature Ta1 are unsatisfactory for the 8th switching condition, compressor-heat pipe hybrid guided mode is used Formula is freezed.
17. control method according to claim 15, which is characterized in that be unsatisfactory for institute in the second outdoor temperature Ta1 It is further comprising the steps of before executing the step S410 after stating the 5th switching condition:
S500, judge whether outside relative humidity RH meets the 9th switching condition;9th switching condition is RH≤A, wherein A is default relative humidity;
If S510, the outside relative humidity RH meet the 9th switching condition, spray equipment is enabled, using heat pipe pattern Refrigeration;
If S520, the outside relative humidity RH are unsatisfactory for the 9th switching condition, the step S410 is executed.
18. control method according to claim 17, which is characterized in that in the step S510, enabling spray equipment Later, further comprising the steps of before being freezed using heat pipe pattern:
S511, judge whether the second outdoor temperature Ta1 meets the tenth switching condition, the tenth switching condition is
If S512, the second outdoor temperature Ta1 meet the tenth switching condition, freezed using heat pipe pattern;
If S513, the second outdoor temperature Ta1 are unsatisfactory for the tenth switching condition, the step S410 is executed.
CN201810293731.8A 2018-03-30 2018-03-30 The naturally cold computer-room air conditioning system of passive type heat pipe with auxiliary cold source and its control method Pending CN108458432A (en)

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