CN206222578U - A kind of integrated natural cooling computer-room air conditioning system - Google Patents

A kind of integrated natural cooling computer-room air conditioning system Download PDF

Info

Publication number
CN206222578U
CN206222578U CN201621283703.0U CN201621283703U CN206222578U CN 206222578 U CN206222578 U CN 206222578U CN 201621283703 U CN201621283703 U CN 201621283703U CN 206222578 U CN206222578 U CN 206222578U
Authority
CN
China
Prior art keywords
heat pipe
evaporator
condenser
natural cooling
conditioning system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201621283703.0U
Other languages
Chinese (zh)
Inventor
邵双全
张海南
田长青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technical Institute of Physics and Chemistry of CAS
Original Assignee
Technical Institute of Physics and Chemistry of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Technical Institute of Physics and Chemistry of CAS filed Critical Technical Institute of Physics and Chemistry of CAS
Priority to CN201621283703.0U priority Critical patent/CN206222578U/en
Application granted granted Critical
Publication of CN206222578U publication Critical patent/CN206222578U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Other Air-Conditioning Systems (AREA)

Abstract

The utility model discloses a kind of integrated natural cooling computer-room air conditioning system, including vapor compression refrigeration loop and heat pipe circuit, refrigeration working medium is sealed with respectively in the vapor compression refrigeration loop and heat pipe circuit, the two ends of the steam compressed condenser in the vapor compression refrigeration loop pass through the steam compressed evaporator of pipeline connection respectively by pipeline connection compressor and throttling arrangement, the compressor and throttling arrangement respectively;The two ends of the heat pipe condenser of the heat pipe circuit are respectively communicated with heat pipe evaporator;The steam compressed evaporator and heat pipe evaporator are arranged at evaporator and share in air channel.Computer room can be simultaneously or separately cooled down using vapor compression refrigeration loop and heat pipe circuit, the presence of heat pipe circuit can to the full extent utilize natural cooling source, save cooling energy consumption.Meanwhile, compared with existing Integral computer-room air-conditioning, the heat transmission equipment between vapor compression circuit and heat pipe circuit being eliminated, structure and operation control are simple, operation stability and reliability are high, be easy to processing.

Description

A kind of integrated natural cooling computer-room air conditioning system
Technical field
The utility model is related to air-conditioning system technical field, and in particular to a kind of integrated natural cooling air conditioner in machine room system System.
Background technology
Recently as the fast development of information industry, the quantity and energy consumption of data center increase substantially.Data center Information technoloy equipment caloric value in computer room is huge, and existing air conditioner in machine room most whole year relies on vapor compression refrigeration, energy consumption for cooling to typically constitute from More than the 30% of computer room total energy consumption.Promote machine room energy-saving cooling means and have become active demand.Natural cooling technology refer to It is that machine room energy-saving cooling has efficacious prescriptions in the case that outside air temperature is relatively low using the natural cooling source such as outdoor cold air cooling computer room Method.Separate heat pipe has good heat transfer property, is particularly suitable as computer room natural cooling device.However, this heat pipe dissipates Thermal can be only applied to the low occasion of outdoor temperature, it is therefore desirable to increase a set of vapor compression refrigeration system as auxiliary, this Initial outlay is just improve, while increasing floor space.Therefore, some existing patents propose steam compressed and loop heat pipe Compound unit.Patent《A kind of air processor with natural cold and heat supply function》(application number:200910119883.7, Publication number:The A of CN 101514856) a kind of air processor with natural cold and heat supply function is proposed, realize annual work Make purpose.However, steam compressed in this scheme need valve transfer with natural cooling, unit operation reliability is influenceed.Patent 《A kind of liquid pump of overlapping mechanical refrigeration drives heat-pipe apparatus and operation method》(application number:201210084797.9, publication number: The A of CN 102607120) a kind of propose overlapping mechanical refrigeration liquid pump drives heat-pipe apparatus, but due to steam compressed in scheme The evaporator in loop is separate with the condenser of heat pipe circuit, and system is complex.Patent《A kind of integrated machine room air-conditioning system System》(application number:201320561006.7, publication number:The U of CN 203605376) avoid valve using three media heat exchangers and cut System architecture is changed and simplifies, but there is difficulty in the grand designs manufacture of the media heat exchanger of air-cooled type three used.
Accordingly, it is desirable to provide a kind of integrated natural cooling computer-room air conditioning system, realizes data center machine room natural cooling source Make full use of, while simplied system structure and operation control difficulty, improve the stability of a system and reliability.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of integrated natural cooling computer-room air conditioning system, solves existing There are the structure of computer room integrated air-conditioning system and the problem of operation control complexity, operation stability and poor reliability.
In order to solve the above technical problems, the utility model uses following technical proposals:
A kind of integrated natural cooling computer-room air conditioning system, including vapor compression refrigeration loop and heat pipe circuit, the steaming Be sealed with refrigeration working medium in gas compression refrigeration circuits and heat pipe circuit respectively, the vapor compression refrigeration loop include compressor, Steam compressed condenser, throttling arrangement and steam compressed evaporator, the two ends of the steam compressed condenser pass through pipeline respectively Connection compressor and throttling arrangement, the compressor and throttling arrangement pass through the steam compressed evaporator of pipeline connection respectively;It is described Heat pipe circuit includes heat pipe condenser and heat pipe evaporator, and the two ends of the heat pipe condenser are respectively communicated with heat pipe evaporator;Institute State steam compressed evaporator and heat pipe evaporator is arranged at evaporator and shares in air channel.
Preferably, the steam compressed condenser and heat pipe condenser are arranged in the shared air channel of condenser.Condenser Shared air channel can share a blower fan, reduce the input of equipment, while volume can be reduced, reduce floor space.
Preferably, the steam compressed evaporator is fin-tube heat exchanger or concurrent flow micro-channel type heat exchanger.
Preferably, the heat pipe evaporator is air-cooled heat-exchanger rig or direct contact type radiator or air-cooled directly contact Device.
Preferably, the air-cooled heat-exchanger rig is tubular structure, including one or more straight tube, around finned tube, snakelike Manage the one or more combination in additional fin, many straight tube set fins.The direct contact type radiator by with heating part Part directly contact is radiated.The air-cooled directly contact device is the group of air-cooled heat-exchanger rig and directly contact device radiator Close.
Preferably, the steam compressed condenser and heat pipe condenser are air-cooled, water-cooled, evaporating condensation type condensation One or more combination in device.
Preferably, the throttling arrangement is heating power expansion valve and/or electric expansion valve.
Preferably, refrigerated medium pump is also included in the heat pipe circuit, the refrigerated medium pump is used to drive in heat pipe circuit Refrigeration working medium is circulated.
Preferably, liquid-sucking core is also included in the heat pipe circuit, is provided with the liquid-sucking core and is driven refrigeration working medium circulation Capillary wick, the setting height(from bottom) of the setting height(from bottom) less than heat pipe evaporator of the heat pipe condenser.When the heat pipe of heat pipe circuit evaporates When device is heated, refrigeration working medium evaporates rapidly, and steam flows to heat pipe condenser under small pressure differential, and discharges heat, Into liquid, liquid flows back to heat pipe evaporator along the capillary wick of liquid-sucking core by the effect of capillary force again, so circulates not for regelation Only, heat reaches heat pipe condenser one end by heat pipe evaporator one end, can so be less than the setting height(from bottom) of heat pipe condenser The setting height(from bottom) of heat pipe evaporator, the circulation of refrigeration working medium is driven by the capillary force of capillary wick.
Preferably, the steam compressed evaporator and heat pipe evaporator are integral type structure, the steam compressed condenser It is integral type structure with heat pipe condenser.
The beneficial effects of the utility model are as follows:
A kind of integrated natural cooling computer-room air conditioning system of the present utility model, can be with as a result of above technical scheme Computer room is simultaneously or separately cooled down using vapor compression refrigeration loop and heat pipe circuit, the presence of heat pipe circuit can be to the full extent Using natural cooling source, cooling energy consumption is saved.Meanwhile, compared with existing Integral computer-room air-conditioning, eliminate vapor compression circuit with Heat transmission equipment between heat pipe circuit, structure and operation control are simple, operation stability and reliability are high, be easy to processing.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows a kind of structural representation of embodiment 1 of integrated natural cooling computer-room air conditioning system of the present utility model.
Fig. 2 shows a kind of structural representation of embodiment 2 of integrated natural cooling computer-room air conditioning system of the present utility model.
Each mark is as follows in figure:1 compressor, 2 steam compressed condensers, 3 throttling arrangements, 4 steam compressed evaporators, 5 heat Pipework condensation device, 6 heat pipe evaporators, 7 evaporators share air channel, and 8 condensers share air channel.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one with reference to preferred embodiments and drawings The explanation of step.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that below Specifically described content is illustrative and be not restrictive, and should not limit protection domain of the present utility model with this.
Embodiment 1
As shown in figure 1, a kind of integrated natural cooling computer-room air conditioning system, including vapor compression refrigeration loop and heat pipe are returned Refrigeration working medium is sealed with respectively in road, the vapor compression refrigeration loop and heat pipe circuit.
The vapor compression refrigeration loop includes compressor 1, steam compressed condenser 2, throttling arrangement 3 and steam compressed steaming Hair device 4, the two ends of the steam compressed condenser 2 are respectively by pipeline connection compressor 1 and throttling arrangement 3, the compressor 1 Pass through the steam compressed evaporator 4 of pipeline connection respectively with throttling arrangement 3.The steam compressed evaporator 4 exchanges heat for fin tube type Device or concurrent flow micro-channel type heat exchanger.The steam compressed condenser 2 is air-cooled, water-cooled, evaporating condensation type condenser One of which or several.The throttling arrangement 3 is one or two the combination in heating power expansion valve, electric expansion valve.
The heat pipe circuit includes heat pipe condenser 5 and heat pipe evaporator 6, and the two ends of the heat pipe condenser 5 connect respectively Logical heat pipe evaporator 6;The heat pipe evaporator 6 is air-cooled heat-exchanger rig, direct contact type radiator, air-cooled directly contact device In one kind.The air-cooled heat-exchanger rig is tubular structure, including one or more straight tube, additional around finned tube, coiled pipe The combination of one or more in fin, many straight tube set fins.The direct contact type radiator is by straight with heat generating components Contact is radiated.The air-cooled directly contact device is the combination of air-cooled heat-exchanger rig and directly contact device radiator.Institute It is the combination of one or more in air-cooled, water-cooled, evaporating condensation type condenser to state heat pipe condenser 5.
Also include refrigerated medium pump in the heat pipe circuit, the refrigerated medium pump is used to drive the refrigeration working medium in heat pipe circuit Circulation.
Also include liquid-sucking core in the heat pipe circuit, the capillary wick for driving refrigeration working medium circulation be provided with the liquid-sucking core, Setting height(from bottom) of the setting height(from bottom) of the heat pipe condenser less than heat pipe evaporator.When the heat pipe evaporator 6 of heat pipe circuit is heated When, refrigeration working medium evaporates rapidly, and steam flows to heat pipe condenser 5 under small pressure differential, and discharges heat, coagulates again Form liquid, liquid flows back to heat pipe evaporator 6 along the capillary wick of liquid-sucking core by the effect of capillary force again, and so circulation is more than, heat Amount reaches the one end of heat pipe condenser 5 by the one end of heat pipe evaporator 6, so can be by the setting height(from bottom) of heat pipe condenser 5 less than heat The setting height(from bottom) of pipe evaporator 6, the circulation of refrigeration working medium is driven by the capillary force of capillary wick.
The steam compressed evaporator 4 and heat pipe evaporator 6 are installed indoors, the steam compressed evaporator 4 and heat pipe Evaporator 6 can be integral structure, or split type.The steam compressed condenser 2 and heat pipe condenser 5 are arranged on Outdoor, the steam compressed condenser 2 and heat pipe condenser 5 can be integral structures, or split type.
The steam compressed evaporator 4 and heat pipe evaporator 6 are arranged at evaporator and share in air channel 7.
Operation principle:According to the setting of the specific keeping temperature of computer room, and the measurement to outdoor temperature, according to temperature range pair Air-conditioning system carries out the adjustment of different operating mode:
When outdoor temperature is higher, vapor compression refrigeration loop is only opened.Start compressor 1, steam compressed condenser 2 The evaporator of blower fan and interior shares the blower fan in air channel 7, after the refrigeration working medium in vapor compression refrigeration loop compresses through compressor 1 Condensed in steam compressed condenser 2, steam compressed evaporator 4 is entered after the reducing pressure by regulating flow of throttling arrangement 3, from Interior Space aspiration Compressor 1 is flowed back to after heat.
Vapor compression circuit and heat pipe circuit need to be simultaneously opened when outdoor temperature is relatively low.Start compressor 1, steam compressed The evaporator of the blower fan, the blower fan of heat pipe condenser 5 and interior of condenser 2 shares the blower fan in air channel 7, the vapor compression refrigeration Refrigeration working medium in loop is condensed after being compressed through compressor 1 in steam compressed condenser 2, after the reducing pressure by regulating flow of throttling arrangement 3 Evaporated into steam compressed evaporator 4.The refrigeration working medium of heat pipe circuit heat pipe evaporator 6 indoors evaporates, and flows into heat Pipework condensation device 5, condensing reflux after being cooled down by outdoor cold air.
When outdoor temperature is sufficiently low, vapor compression refrigeration loop is closed, only open heat pipe circuit.Close compressor 1, only The evaporator of the blower fan and interior of opening heat pipe condenser 5 shares the blower fan in air channel 7, and the refrigeration working medium in the heat pipe circuit exists Indoor heat pipe evaporator 6 evaporates, and flows into heat pipe condenser 5, condensing reflux after being cooled down by outdoor cold air.
Embodiment 2
As shown in Fig. 2 a kind of integrated natural cooling computer-room air conditioning system, including vapor compression refrigeration loop and heat pipe are returned Refrigeration working medium is sealed with respectively in road, the vapor compression refrigeration loop and heat pipe circuit.
The vapor compression refrigeration loop includes compressor 1, steam compressed condenser 2, throttling arrangement 3 and steam compressed steaming Hair device 4, the two ends of the steam compressed condenser 2 are respectively by pipeline connection compressor 1 and throttling arrangement 3, the compressor 1 Pass through the steam compressed evaporator 4 of pipeline connection respectively with throttling arrangement 3.The steam compressed evaporator 4 exchanges heat for fin tube type Device or concurrent flow micro-channel type heat exchanger.The steam compressed condenser 2 is air-cooled, water-cooled, evaporating condensation type condenser One of which or several.The throttling arrangement 3 is one or two the combination in heating power expansion valve, electric expansion valve.
The heat pipe circuit includes heat pipe condenser 5 and heat pipe evaporator 6, and the two ends of the heat pipe condenser 5 connect respectively Logical heat pipe evaporator 6;The heat pipe evaporator 6 is air-cooled heat-exchanger rig, direct contact type radiator, air-cooled directly contact device In one kind.The air-cooled heat-exchanger rig is tubular structure, including one or more straight tube, additional around finned tube, coiled pipe The combination of one or more in fin, many straight tube set fins.The direct contact type radiator is by straight with heat generating components Contact is radiated.The air-cooled directly contact device is the combination of air-cooled heat-exchanger rig and directly contact device radiator.Institute It is the combination of one or more in air-cooled, water-cooled, evaporating condensation type condenser to state heat pipe condenser 5.
Also include refrigerated medium pump in the heat pipe circuit, the refrigerated medium pump is used to drive the refrigeration working medium in heat pipe circuit Circulation.
Also include liquid-sucking core in the heat pipe circuit, the capillary wick for driving refrigeration working medium circulation be provided with the liquid-sucking core, Setting height(from bottom) of the setting height(from bottom) of the heat pipe condenser less than heat pipe evaporator.When the heat pipe evaporator 6 of heat pipe circuit is heated When, refrigeration working medium evaporates rapidly, and steam flows to heat pipe condenser 5 under small pressure differential, and discharges heat, coagulates again Form liquid, liquid flows back to heat pipe evaporator 6 along the capillary wick of liquid-sucking core by the effect of capillary force again, and so circulation is more than, heat Amount reaches the one end of heat pipe condenser 5 by the one end of heat pipe evaporator 6, so can be by the setting height(from bottom) of heat pipe condenser 5 less than heat The setting height(from bottom) of pipe evaporator 6, the circulation of refrigeration working medium is driven by the capillary force of capillary wick.
The steam compressed evaporator 4 and heat pipe evaporator 6 are installed indoors, the steam compressed evaporator 4 and heat pipe Evaporator 6 can be integral structure, or split type.The steam compressed condenser 2 and heat pipe condenser 5 are arranged on Outdoor, the steam compressed condenser 2 and heat pipe condenser 5 can be integral structures, or split type.
The steam compressed evaporator 4 and heat pipe evaporator 6 are arranged at evaporator and share in air channel 7.
The steam compressed condenser 2 and heat pipe condenser 5 are arranged at condenser and share in air channel 8.
Operation principle:According to the setting of the specific keeping temperature of computer room, and the measurement to outdoor temperature, according to temperature range pair Air-conditioning system carries out the adjustment of different operating mode:
When outdoor temperature is higher, vapor compression refrigeration loop is only opened.Start compressor 1, outdoor condenser to share The blower fan in air channel 8 and the evaporator of interior share the blower fan in air channel 7, and the refrigeration working medium in vapor compression refrigeration loop is through compressor Condensed in steam compressed condenser 2 after 1 compression, steam compressed evaporator 4 is entered after the reducing pressure by regulating flow of throttling arrangement 3, from room Compressor 1 is flowed back to after interior air heat absorption.
Vapor compression circuit and heat pipe circuit need to be simultaneously opened when outdoor temperature is relatively low.Start compressor 1, outdoor cold The evaporator of blower fan and interior that condenser shares air channel 8 shares the blower fan in air channel 7, the refrigeration in the vapor compression refrigeration loop Working medium is condensed after being compressed through compressor 1 in steam compressed condenser 2, enters steam compressed after the reducing pressure by regulating flow of throttling arrangement 3 Evaporator 4 evaporates.The refrigeration working medium of heat pipe circuit heat pipe evaporator 6 indoors evaporates, and flows into heat pipe condenser 5, quilt Condensing reflux after outdoor cold air cooling.
When outdoor temperature is sufficiently low, vapor compression refrigeration loop is closed, only open heat pipe circuit.Close compressor 1, opens The evaporator of blower fan and interior that the condenser for opening outdoor shares air channel 8 shares the blower fan in air channel 7, the system in the heat pipe circuit Cold working medium heat pipe evaporator 6 indoors evaporates, and flows into heat pipe condenser 5, condensing reflux after being cooled down by outdoor cold air.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and It is not the restriction to implementation method of the present utility model, for those of ordinary skill in the field, in described above On the basis of can also make other changes in different forms, all of implementation method cannot be exhaustive here, It is every to belong to the obvious change or change still in of the present utility model that the technical solution of the utility model extends out The row of protection domain.

Claims (10)

1. a kind of integrated natural cooling computer-room air conditioning system, it is characterised in that:Returned including vapor compression refrigeration loop and heat pipe Refrigeration working medium, the vapor compression refrigeration loop bag are sealed with road, the vapor compression refrigeration loop and heat pipe circuit respectively Include compressor (1), steam compressed condenser (2), throttling arrangement (3) and steam compressed evaporator (4), the steam compressed condensation The two ends of device (2) pass through pipeline connection compressor (1) and throttling arrangement (3), the compressor (1) and throttling arrangement (3) respectively Pass through the steam compressed evaporator of pipeline connection (4) respectively;
The heat pipe circuit includes heat pipe condenser (5) and heat pipe evaporator (6), and the two ends of the heat pipe condenser (5) are distinguished Connection heat pipe evaporator (6);
The steam compressed evaporator (4) and heat pipe evaporator (6) are arranged at evaporator and share in air channel (7).
2. a kind of integrated natural cooling computer-room air conditioning system according to claim 1, it is characterised in that:The vapour pressure Contracting condenser (2) and heat pipe condenser (5) are arranged at condenser and share in air channel (8).
3. a kind of integrated natural cooling computer-room air conditioning system according to claim 2, it is characterised in that:The vapour pressure Contracting evaporator (4) is fin-tube heat exchanger or concurrent flow micro-channel type heat exchanger.
4. a kind of integrated natural cooling computer-room air conditioning system according to claim 3, it is characterised in that:The heat pipe steams Hair device (6) is air-cooled heat-exchanger rig or direct contact type radiator or air-cooled directly contact device.
5. a kind of integrated natural cooling computer-room air conditioning system according to claim 4, it is characterised in that:It is described air-cooled Heat-exchanger rig is tubular structure, including one or more straight tube, around finned tube, the additional fin of coiled pipe, many straight tubes set fins In one or more combination;The air-cooled directly contact device is the group of air-cooled heat-exchanger rig and directly contact device radiator Close.
6. a kind of integrated natural cooling computer-room air conditioning system according to claim 1, it is characterised in that:The vapour pressure Contracting condenser (2) and heat pipe condenser (5) are one or more groups in air-cooled, water-cooled, evaporating condensation type condenser Close.
7. a kind of integrated natural cooling computer-room air conditioning system according to claim 1, it is characterised in that:The throttling dress It is heating power expansion valve and/or electric expansion valve to put (3).
8. a kind of integrated natural cooling computer-room air conditioning system according to claim 1, it is characterised in that:The heat pipe is returned Also include refrigerated medium pump in road, the refrigerated medium pump is used to drive the refrigeration working medium in heat pipe circuit to circulate.
9. a kind of integrated natural cooling computer-room air conditioning system according to claim 8, it is characterised in that:The heat pipe is returned Road also includes liquid-sucking core, and the capillary wick for driving refrigeration working medium circulation, the peace of the heat pipe condenser (5) are provided with the liquid-sucking core Setting height(from bottom) of the dress height less than heat pipe evaporator (6).
10. a kind of integrated natural cooling computer-room air conditioning system according to claim 1, it is characterised in that:The steam Compression Evaporation device (4) and heat pipe evaporator (6) are integral type structure, the steam compressed condenser (2) and heat pipe condenser (5) It is integral type structure.
CN201621283703.0U 2016-11-25 2016-11-25 A kind of integrated natural cooling computer-room air conditioning system Active CN206222578U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621283703.0U CN206222578U (en) 2016-11-25 2016-11-25 A kind of integrated natural cooling computer-room air conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621283703.0U CN206222578U (en) 2016-11-25 2016-11-25 A kind of integrated natural cooling computer-room air conditioning system

Publications (1)

Publication Number Publication Date
CN206222578U true CN206222578U (en) 2017-06-06

Family

ID=58786344

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621283703.0U Active CN206222578U (en) 2016-11-25 2016-11-25 A kind of integrated natural cooling computer-room air conditioning system

Country Status (1)

Country Link
CN (1) CN206222578U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106403116A (en) * 2016-11-25 2017-02-15 中国科学院理化技术研究所 Integrated natural cooling machine room air conditioner system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106403116A (en) * 2016-11-25 2017-02-15 中国科学院理化技术研究所 Integrated natural cooling machine room air conditioner system

Similar Documents

Publication Publication Date Title
CN106403116A (en) Integrated natural cooling machine room air conditioner system
CN105180490B (en) Integrated natural cooling computer-room air conditioning system
CN104754924B (en) The server radiating system that liquid cooling apparatus and auxiliary radiating device combine
CN100557337C (en) Heating vent air regulating system with power-actuated aftercooler
CN107014015B (en) Recovery type heat evaporating condensation type handpiece Water Chilling Units
CN207113323U (en) A kind of heat pump type air conditioning system based on compressor air-discharging bypass defrosting
CN206522940U (en) A kind of energy-saving water circulation cooling device
JP2010501826A (en) Air conditioner for communication equipment
CN104121625B (en) Energy-saving air conditioner and control method thereof
CN106332514A (en) Heat pipe cooling system for high-heat density cabinet
CN107024019A (en) A kind of carbon dioxide cascade type heat pump heating system
CN104214854A (en) Integrated machine room air conditioning system
CN107036349A (en) A kind of heat pump type air conditioning system based on compressor air-discharging bypass defrosting
CN206222578U (en) A kind of integrated natural cooling computer-room air conditioning system
CN212378342U (en) Infrared defrosting heat exchanger and heat pump air conditioner adopting same
CN109373456A (en) A kind of recovery type heat air-conditioning
CN103836742B (en) Multi-joint heat pipe machine room air conditioning system
JP4423321B2 (en) Refrigerator built-in showcase
CN203605376U (en) Integrated machine room air-conditioning system
KR101392856B1 (en) an air conditioner with water-cooled heat exchange without an outside-equipment
CN206310607U (en) A kind of control system and air-conditioner for improving air-conditioning heating effect
KR100946381B1 (en) Hybrid heat pump type cooling and heating apparatus
KR20060086761A (en) Airconditioning apparatus for combined use of cooler and heater
KR101423137B1 (en) a heating apparatus without an outside-equipment
CN209310137U (en) A kind of recovery type heat air-conditioning

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant