CN201028867Y - Air source heat pump air conditioner suitable for low air temperature surroundings - Google Patents
Air source heat pump air conditioner suitable for low air temperature surroundings Download PDFInfo
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- CN201028867Y CN201028867Y CNU200720101081XU CN200720101081U CN201028867Y CN 201028867 Y CN201028867 Y CN 201028867Y CN U200720101081X U CNU200720101081X U CN U200720101081XU CN 200720101081 U CN200720101081 U CN 200720101081U CN 201028867 Y CN201028867 Y CN 201028867Y
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- heat exchanger
- heat pump
- air
- source heat
- magnetic valve
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Abstract
The utility model relates to an air source heat pump air conditioner suitable for low temperature environment which comprises an outdoor exchanger and an indoor heat exchanger. An energy coupling heat exchanger is configured with the outdoor and the indoor heat exchangers. An air source heat pump is formed through a refrigerant pipeline by the connection of an once end of the energy coupling heat exchanger, a compressor, a solenoid valve, an outdoor heat exchanger and an expansion valve. An artificial source heat pump is formed through the refrigerant pipeline by the connection of a twice end of the energy coupling heat exchanger, the solenoid valve, a four-way valve, the compressor, the indoor heat exchanger, the expansion and the solenoid valve. A double-stage and single-stage air conditioner operating transition circuit is formed by the refrigerant pipeline configuring the solenoid valve. The utility model forms a combination of an air source heat pump and an artificial source heat pump and the air source heat pump does not participate indoor heat supply directly but used for producing an ideal operating artificial environment for the artificial source heat pump, thereby realizing safe and high-efficiency heat making operation of the heat pump type air conditioner under the temperature of below 70C.
Description
Technical field
The utility model relates to air-conditioner, is specifically related to a kind of air source heat pump air-conditioner device of suitable low-temperature environment.
Background technology
The air source heat pump air-conditioner device, because easy for installation, maintenance is little, and is widely used.But present heat pump type air conditioner is because the compressor operating limits evaporating temperature is-15 ℃, its pairing ambient air temperature is-7 ℃, be that environment temperature is when being lower than-7 ℃, the heating of air-conditioner can not normally be carried out, promptly at cold district, and the extremely low special occasions of some environment temperatures, present air source heat pump air-conditioner device can't operate as normal.
Summary of the invention
The purpose of this utility model is at the problems referred to above, and a kind of air source heat pump air-conditioner device of the suitable low-temperature environment that can efficiently heat under the low temperature environment below-7 ℃ is provided.
The technical scheme that realizes above-mentioned purpose is: a kind of air source heat pump air-conditioner device of suitable low-temperature environment, it includes outdoor heat exchanger and indoor heat exchanger, matching with two heat exchangers is equipped with the energy coupled heat exchanger, and once end, compressor, magnetic valve, outdoor heat exchanger, magnetic valve and the expansion valve of its energy coupled heat exchanger is through the refrigerant line composition air source heat pump that is connected; The secondary terminals of energy coupled heat exchanger, magnetic valve, four-way change-over valve, compressor, indoor heat exchanger, expansion valve and magnetic valve are connected through refrigerant line and form artificial source's heat pump; Refrigerant line by two magnetic valves of configuration is connected outdoor heat exchanger with artificial source's heat pump, form single-stage heat pump air conditioner operating loop.
Energy coupled heat exchanger of the present utility model can be brazing plate type heat exchanger, shell-type coil heat exchanger, shell-type spiral tube exchanger, double pipe heat exchanger, spiral heat exchanger or shell and tube exchanger.
Energy coupled heat exchanger of the present utility model is provided with lagging casing.
The utility model is by being provided with an energy coupled heat exchanger between outdoor and indoor heat exchanger, form two-stage heat pump type air conditioner with two evaporating temperatures and two condensation temperature operations, its air source heat pump is not participated in indoor heating directly, but be used for making the artificial operating condition environment of ideal into artificial source's heat pump, it can be heated under high-effect ratio, thereby realize heat pump type air conditioner safety, efficient heating operation under the temperature environment below-7 ℃.
Description of drawings
Accompanying drawing is the structural representation of the air source heat pump air-conditioner device of this suitable low-temperature environment.
The specific embodiment
In conjunction with the accompanying drawings the specific embodiment of the present utility model is described.
As accompanying drawing, the utility model includes outdoor heat exchanger 1 and indoor heat exchanger 14, and its outdoor heat exchanger and indoor heat exchanger can adopt the surface cooling heat exchanger.Matching with two heat exchangers 1 and 14 is equipped with energy coupled heat exchanger 3, and its heat exchanger 3 can adopt brazing plate type heat exchanger, shell-type coil heat exchanger, shell-type spiral tube exchanger, double pipe heat exchanger, spiral heat exchanger or shell and tube exchanger.Be provided with lagging casing 15 in the outside of energy coupled heat exchanger 3.In lagging casing 15, be provided with electronic sensor 16.The once end of its energy coupled heat exchanger 3, compressor 2, magnetic valve 6, outdoor heat exchanger 1, magnetic valve 5 and expansion valve 4 are through the refrigerant line composition air source heat pump that is connected; The secondary terminals of energy coupled heat exchanger 3, magnetic valve 9, four-way change-over valve 12, compressor 11, indoor heat exchanger 14, expansion valve 13 and magnetic valve 10 are connected through refrigerant line and form artificial source's heat pump; The refrigerant line that disposes magnetic valve 7 and 8 is connected to respectively between outdoor heat exchanger 1 and magnetic valve 9 and four-way change-over valve 12 and magnetic valve 10 and the expansion valve 13, forms single-stage heat pump air conditioner operating loop.
During the operation of the utility model Winter heat supply, the high-temperature gas cold-producing medium that compressor 2 is discharged discharges secondary terminals to energy coupled heat exchanger 3 through once holding of energy coupled heat exchanger 3 with condenser heat, cold-producing medium becomes liquid state by gaseous state after heat release, by expansion valve 4 throttlings after magnetic valve 5 to outdoor heat exchanger 1, heat in the outer Cryogenic air of evaporation absorption chamber, evaporation back is become to the cold-producing medium of gaseous state repeats above-mentioned cold-producing medium circulation through magnetic valve 6 to the suction end recompression of compressor 2 by liquid state, the low-temperature heat quantity in the outdoor air is delivered to continuously the secondary terminals of energy coupled heat exchanger 3; And the high-temperature gas cold-producing medium that compressor 11 is discharged through the dotted line path of four-way change-over valve 12 to indoor heat exchanger 14, its condenser heat discharged to indoor finishing heat heating, by being condensed into liquid cold-producing medium after the heat release, through expansion valve 13 again through the secondary terminals of magnetic valve 10 to energy coupled heat exchanger 3, evaporation absorbs by the heat of once holding the air source of output, become again after the heat absorption gaseous refrigerant through magnetic valve 9 again through another dotted line path of four-way change-over valve 12 suction end to compressor 11, repeated above-mentioned kind of refrigeration cycle by compressor 11 compressions once more, realize moving to the indoor highly effective heat supply heating.
The utility model is used for summer during refrigerating operaton, and magnetic valve 5,6,9,10 cuts out, and magnetic valve 7 and 8 is opened, four-way change-over valve 12 commutations of artificial source's heat pump simultaneously, and the dotted line path blockade, the solid line path is opened.The air source heat pump that its compressor 2 is formed is out of service, and form conventional single compressor refrigerating circuit by compressor 11 this moment.The high-temperature gas cold-producing medium that compressor 11 is discharged during operation through the solid line path of four-way change-over valve 12 through magnetic valve 8 to outdoor heat exchanger 1, condensation heat is discharged in the outside atmosphere.By the cooled cold-producing medium of heat exchanger become for liquid refrigerant through magnetic valve 7 again after expansion valve 13 throttlings to indoor heat exchanger 14, heat in the evaporation absorption chamber, become after the heat absorption for gaseous refrigerant through the suction end of another solid line path of four-way change-over valve to compressor 11, compressed by compressor 11 once more, repeat above-mentioned kind of refrigeration cycle, finish indoor refrigerating operaton.
During the utility model winter heating,, should adopt the single-stage operation of above-mentioned refrigeration form if when outside air temperature is higher than-7 ℃.
The utility model compressor 2 and 11 should adopt the cold-producing medium and the refrigeration oil of same type.Expansion valve 4 and 13 should adopt electric expansion valve.Compressor 2 should adopt the frequency conversion mode or increase, the unloading form controls its refrigerating capacity, in the hope of guaranteeing artificial source's heat pump reliability service.Magnetic valve also can adopt the motor-driven valve or the valve control of other type.
Claims (3)
1. the air source heat pump air-conditioner device of a suitable low-temperature environment, it includes outdoor heat exchanger (1) and indoor heat exchanger (14), it is characterized in that: matching with two heat exchangers (1), (14) is equipped with energy coupled heat exchanger (3), and the once end of its energy coupled heat exchanger (3), compressor (2), magnetic valve (6), outdoor heat exchanger (1), magnetic valve (5) and expansion valve (4) are through the refrigerant line composition air source heat pump that is connected; The secondary terminals of energy coupled heat exchanger (3), magnetic valve (9), four-way change-over valve (12), compressor (11), indoor heat exchanger (14), expansion valve (13) and magnetic valve (10) are connected through refrigerant line and form artificial source's heat pump; The refrigerant line of configuration magnetic valve (7) and (8) is connected to respectively between outdoor heat exchanger (1) and magnetic valve (9) and four-way change-over valve (12) and magnetic valve (10) and the expansion valve (13), forms single-stage heat pump air conditioner operating loop.
2. the air source heat pump air-conditioner device of suitable low-temperature environment according to claim 1, it is characterized in that: described energy coupled heat exchanger (3) can be brazing plate type heat exchanger, shell-type coil heat exchanger, shell-type spiral tube exchanger, double pipe heat exchanger, spiral heat exchanger or shell and tube exchanger.
3. the air source heat pump air-conditioner device of suitable low-temperature environment according to claim 1, it is characterized in that: described energy coupled heat exchanger (3) is provided with lagging casing (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720101081XU CN201028867Y (en) | 2007-04-18 | 2007-04-18 | Air source heat pump air conditioner suitable for low air temperature surroundings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720101081XU CN201028867Y (en) | 2007-04-18 | 2007-04-18 | Air source heat pump air conditioner suitable for low air temperature surroundings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201028867Y true CN201028867Y (en) | 2008-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720101081XU Expired - Fee Related CN201028867Y (en) | 2007-04-18 | 2007-04-18 | Air source heat pump air conditioner suitable for low air temperature surroundings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201028867Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629842A (en) * | 2013-12-18 | 2014-03-12 | 北京德能恒信科技有限公司 | Phase change heat pump system |
| CN103697613A (en) * | 2013-12-28 | 2014-04-02 | 金国达科技（湖南）有限公司 | High-temperature water source heat pump unit |
-
2007
- 2007-04-18 CN CNU200720101081XU patent/CN201028867Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629842A (en) * | 2013-12-18 | 2014-03-12 | 北京德能恒信科技有限公司 | Phase change heat pump system |
| CN103629842B (en) * | 2013-12-18 | 2016-03-02 | 北京德能恒信科技有限公司 | A kind of phase change heat pump system |
| CN103697613A (en) * | 2013-12-28 | 2014-04-02 | 金国达科技（湖南）有限公司 | High-temperature water source heat pump unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |