CN105758050A - Wide temperature range air-conditioning system - Google Patents

Wide temperature range air-conditioning system Download PDF

Info

Publication number
CN105758050A
CN105758050A CN201610309630.6A CN201610309630A CN105758050A CN 105758050 A CN105758050 A CN 105758050A CN 201610309630 A CN201610309630 A CN 201610309630A CN 105758050 A CN105758050 A CN 105758050A
Authority
CN
China
Prior art keywords
heat exchanger
valve
conditioning system
expansion valve
compressor
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.)
Pending
Application number
CN201610309630.6A
Other languages
Chinese (zh)
Inventor
陶明春
陈大铎
赵贝
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.)
Hefei Swan Refrigeration Technology Co Ltd
Original Assignee
Hefei Swan Refrigeration Technology Co Ltd
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 Hefei Swan Refrigeration Technology Co Ltd filed Critical Hefei Swan Refrigeration Technology Co Ltd
Priority to CN201610309630.6A priority Critical patent/CN105758050A/en
Publication of CN105758050A publication Critical patent/CN105758050A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B7/00Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/22Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses a wide temperature range air-conditioning system. The wide temperature range air-conditioning system comprises a first compressor, a second compressor, a four-way reversing valve, a condensation heat exchanger, a first electromagnetic valve, a second electromagnetic valve, a first expansion valve, a second expansion valve, a third expansion valve, an evaporative condenser, an economizer and an evaporation heat exchanger, wherein the first compressor, the four-way reversing valve, the condensation heat exchanger, the first electromagnetic valve, the first expansion valve and the evaporative condenser are connected to form a I-level refrigerating system; the second compressor, the economizer, the evaporative condenser, the second expansion valve and the evaporation heat exchanger are connected to form a II-level refrigerating system; the first compressor, the four-way reversing valve, the condensation heat exchanger, the second electromagnetic valve, the third expansion valve and the evaporation heat exchanger are connected to form a normal temperature air conditioning system. According to the wide temperature range air-conditioning system disclosed by the invention, temperature adjustment of a wide temperature range is realized, and the electromagnetic valves are used for changing the flowing direction of a refrigerant, so that switching between an overlapping type refrigeration cycle and a normal temperature air conditioning system cycle is realized; the four-way reversing valve is used for switching the flowing direction of the refrigerant, so that switching between the refrigeration and the heating of the normal temperature air conditioning system is realized.

Description

Wide warm area air handling system
Technical field
The present invention relates to wide warm area air-conditioning technique field, specifically a kind of wide warm area air handling system.
Background technology
In order to measure part, electronic devices and components and some materials performance in specified temp situation, the laboratory needing special simulated environment temperature carries out, it is much separately performed for controlling cooling system and heat at present, the temperature range simultaneously freezed is very narrow, it is not suitable with the adjustment of big temperature range, can not meet the instructions for use for big temperature range.
Summary of the invention
It is an object of the invention to provide a kind of wide warm area air handling system, it is possible to provide the ambient temperature of big temperature range to control at ambient temperature, regulate with the temperature of satisfied wide warm area.
Technical scheme is as follows:
A kind of wide warm area air handling system, include first, two compressors, four-way change-over valve, condensing heat exchanger, first, two electromagnetic valves, first, two, three expansion valves, evaporative condenser, economizer and evaporating heat exchanger, it is characterized in that: the first described compressor, four-way change-over valve, condensing heat exchanger, first electromagnetic valve, first expansion valve and evaporative condenser connect to form I grade of refrigeration system by pipeline, the second described compressor, economizer, evaporative condenser, second expansion valve and evaporating heat exchanger connect to form II grade of refrigeration system by pipeline, the first described compressor, four-way change-over valve, condensing heat exchanger, second electromagnetic valve, 3rd expansion valve and evaporating heat exchanger connect to form room temperature air conditioning system by pipeline.
Described wide warm area air handling system, it is characterised in that: the outlet of described economizer is connected to expansion gear.
Described wide warm area air handling system, it is characterised in that: described evaporating heat exchanger is triple channel air cooling heat exchanger.
The present invention uses ambient air as heat sink,-65 DEG C of environment to 65 DEG C of temperature ranges can be provided under the ambient temperature of-40 DEG C to 55 DEG C, adopt when providing-65 DEG C of extremely-20 DEG C of coolants I grade of refrigeration system and II grade of refrigeration system composition folding type cooling system to provide cryogenic refrigeration;Room temperature air conditioning system kind of refrigeration cycle is adopted to provide cold when offer-20 DEG C is to ambient temperature coolant;Adopting room temperature air conditioning system to heat circulation when providing ambient temperature to 65 DEG C of coolants provides heat, folding type cooling system and room temperature air conditioning system to adopt electromagnetic valve switching.
Folding type cooling system and room temperature air conditioning system adopt the first electromagnetic valve and the switching of the second electromagnetic valve, and namely during folding type cooling system work, the first electromagnetic valve is opened, the second solenoid closure;First solenoid closure when room temperature air conditioning system is run, the second electromagnetic valve is opened.Room temperature air conditioning system is divided into kind of refrigeration cycle and heats circulation, realizes refrigerant flow direction switching by four-way change-over valve and realizes refrigeration and the switching heated, and during refrigeration, four-way change-over valve switches to kind of refrigeration cycle, switches to and heat circulation when heating.
Beneficial effects of the present invention:
1, the present invention can provide the ambient temperature of big temperature range to control at ambient temperature, and the temperature meeting wide warm area regulates.
2, the present invention adopts electromagnetic valve to change refrigerant flow direction, it is achieved that the switching of Cascade refrigeration cycle and room temperature Air Conditioning Cycle.
3, the present invention adopts four-way change-over valve switching refrigerant flow direction, it is achieved that room temperature air conditioning system refrigeration and the switching heated.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Detailed description of the invention
Referring to Fig. 1, a kind of wide warm area air handling system, include first, two compressors 1, 9, four-way change-over valve 2, condensing heat exchanger 3, first, two electromagnetic valves 4, 7, first, two, three expansion valves 5, 11, 12, evaporative condenser 6, economizer 8 and evaporating heat exchanger 13, first compressor 1, four-way change-over valve 2, condensing heat exchanger 3, first electromagnetic valve 4, first expansion valve 5 and evaporative condenser 6 connect to form I grade of refrigeration system by pipeline, second compressor 9, economizer 8, evaporative condenser 6, second expansion valve 11 and evaporating heat exchanger 13 connect to form II grade of refrigeration system by pipeline, first compressor 1, four-way change-over valve 2, condensing heat exchanger 3, second electromagnetic valve 7, 3rd expansion valve 12 and evaporating heat exchanger 13 connect to form room temperature air conditioning system by pipeline.
In the present invention, the outlet of economizer 8 is connected to expansion gear 10, reduces the pressure in II grade of refrigeration system during high ambient temperatures.
Evaporating heat exchanger 13 is triple channel air cooling heat exchanger.
The present invention adopts electromagnetic valve to change refrigerant flow direction, it is achieved that the switching of Cascade refrigeration cycle and room temperature Air Conditioning Cycle.
The present invention adopts four-way change-over valve switching refrigerant flow direction, it is achieved that room temperature air conditioning system refrigeration and the switching heated.

Claims (3)

1. one kind wide warm area air handling system, include first, two compressors, four-way change-over valve, condensing heat exchanger, first, two electromagnetic valves, first, two, three expansion valves, evaporative condenser, economizer and evaporating heat exchanger, it is characterized in that: the first described compressor, four-way change-over valve, condensing heat exchanger, first electromagnetic valve, first expansion valve and evaporative condenser connect to form I grade of refrigeration system by pipeline, the second described compressor, economizer, evaporative condenser, second expansion valve and evaporating heat exchanger connect to form II grade of refrigeration system by pipeline, the first described compressor, four-way change-over valve, condensing heat exchanger, second electromagnetic valve, 3rd expansion valve and evaporating heat exchanger connect to form room temperature air conditioning system by pipeline.
2. wide warm area air handling system according to claim 1, it is characterised in that: the outlet of described economizer is connected to expansion gear.
3. wide warm area air handling system according to claim 1, it is characterised in that: described evaporating heat exchanger is triple channel air cooling heat exchanger.
CN201610309630.6A 2016-05-10 2016-05-10 Wide temperature range air-conditioning system Pending CN105758050A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610309630.6A CN105758050A (en) 2016-05-10 2016-05-10 Wide temperature range air-conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610309630.6A CN105758050A (en) 2016-05-10 2016-05-10 Wide temperature range air-conditioning system

Publications (1)

Publication Number Publication Date
CN105758050A true CN105758050A (en) 2016-07-13

Family

ID=56323864

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610309630.6A Pending CN105758050A (en) 2016-05-10 2016-05-10 Wide temperature range air-conditioning system

Country Status (1)

Country Link
CN (1) CN105758050A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107328002A (en) * 2017-08-18 2017-11-07 广东高而美制冷设备有限公司 The air conditioner heat pump system and its working method of a kind of temperature control throttling
CN107664365A (en) * 2017-10-26 2018-02-06 焦景田 A kind of superposition type commercialization split source pump
CN108662811A (en) * 2018-03-16 2018-10-16 广州德能热源设备有限公司 Air-source overlapping type heat pump device
CN114877407A (en) * 2022-04-26 2022-08-09 深圳科士达科技股份有限公司 Air conditioning system, data machine room temperature adjusting system and temperature adjusting control method
WO2022188668A1 (en) * 2021-03-10 2022-09-15 艾默生环境优化技术(苏州)有限公司 Heat pump system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2625805Y (en) * 2003-05-30 2004-07-14 薛天鹏 Wide temperate zone air source heat pump refrigerating unit
CN205783951U (en) * 2016-05-10 2016-12-07 合肥天鹅制冷科技有限公司 Wide warm area air handling system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2625805Y (en) * 2003-05-30 2004-07-14 薛天鹏 Wide temperate zone air source heat pump refrigerating unit
CN205783951U (en) * 2016-05-10 2016-12-07 合肥天鹅制冷科技有限公司 Wide warm area air handling system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107328002A (en) * 2017-08-18 2017-11-07 广东高而美制冷设备有限公司 The air conditioner heat pump system and its working method of a kind of temperature control throttling
CN107664365A (en) * 2017-10-26 2018-02-06 焦景田 A kind of superposition type commercialization split source pump
CN108662811A (en) * 2018-03-16 2018-10-16 广州德能热源设备有限公司 Air-source overlapping type heat pump device
WO2022188668A1 (en) * 2021-03-10 2022-09-15 艾默生环境优化技术(苏州)有限公司 Heat pump system
CN114877407A (en) * 2022-04-26 2022-08-09 深圳科士达科技股份有限公司 Air conditioning system, data machine room temperature adjusting system and temperature adjusting control method

Similar Documents

Publication Publication Date Title
CN105758050A (en) Wide temperature range air-conditioning system
US20180156505A1 (en) Methods and systems for controlling integrated air conditioning systems
WO2013145006A1 (en) Air conditioning device
CN105222436A (en) Air conditioning system and control method thereof
WO2018051408A1 (en) Air conditioner
CN102734885B (en) Serial air conditioner and temperature regulating box all-in-one machine and operation control method thereof
CN107559955A (en) Multiple on-line system and its low temperature control method
CN108151350B (en) Three-control multi-split system and control method thereof
CN109579356B (en) Temperature control multi-online heat pump system with heat recovery function and control method
CN106679119B (en) A kind of control method of air-conditioning, device and air-conditioning
CN106016541A (en) Natural cooling machine room air conditioner and supercooling degree control method thereof
CN205878435U (en) Naturally, cool computer lab air conditioner
CN104930763A (en) Air conditioner refrigerating system
CN106996657A (en) Air regulator
CN103528142A (en) Anti-frosting air conditioner and control method thereof
CN203454455U (en) Three-tube air conditioning system
CN102419038B (en) Air conditioning system and control method thereof
CN106871485B (en) A kind of heat pump system and its control method
CN106403347B (en) Low-temperature air-conditioning system and air-conditioning
CN111023414B (en) Air conditioning system and dehumidification control method
CN108119971A (en) Air conditioner and its control method
CN104879950A (en) Air conditioner all-in-one machine system and control method thereof
CN205783951U (en) Wide warm area air handling system
CN203550269U (en) Air conditioning system
CN206001761U (en) Air conditioning system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20160713