CN105758050A - Wide temperature range air-conditioning system - Google Patents
Wide temperature range air-conditioning system Download PDFInfo
- 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
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B7/00—Compression 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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
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.
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 (4)
| 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 |
Citations (2)
| 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 |
-
2016
- 2016-05-10 CN CN201610309630.6A patent/CN105758050A/en active Pending
Patent Citations (2)
| 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 (4)
| 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 |
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| Date | Code | Title | Description |
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| 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 |