CN201074923Y - Air source heat pump air conditioner being suitable for heating and cooling with high-efficiency in broad temperature surroundings - Google Patents
Air source heat pump air conditioner being suitable for heating and cooling with high-efficiency in broad temperature surroundings Download PDFInfo
- Publication number
- CN201074923Y CN201074923Y CNU2007201018084U CN200720101808U CN201074923Y CN 201074923 Y CN201074923 Y CN 201074923Y CN U2007201018084 U CNU2007201018084 U CN U2007201018084U CN 200720101808 U CN200720101808 U CN 200720101808U CN 201074923 Y CN201074923 Y CN 201074923Y
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- heat exchanger
- air
- heat pump
- air source
- electrically operated
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Abstract
The utility model relates to a high efficiency heating and cooling air source heat pump air conditioner which is suitable for wide temperature environment, comprising an indoor air heat exchanger, an outdoor air heat exchanger and an energy coupling heat exchanger. A low temperature compressor, a first end of the coupling heat exchanger, an expansion valve and an outdoor heat exchanger form an ultral-low temperature air source heat pump. A middle-high temperature compressor, the indoor heat exchanger, an expansion valve and a second end of the coupling heat exchanger form a manpower source high temperature heat pump and the heat is provided by the super-low temperature air source heat pump. The outdoor heat exchanger, the low temperature compressor, the indoor heat exchanger and the expansion valve form an air source heat pump which is suitable for heating at low temperature in winter. The middle-high temperature compressor, the outdoor air heat exchanger, the expansion valve and the indoor heat exchanger form an air source heat pump which is suitable for summer cooling. The utility model can realize high efficiency heating in ultral-low temperature either between subzero 45 DEG C and subzero 20 DEG C or between subzero 20 DEG C and 0 DEG C in winter, and can realize effective cooling in summer.
Description
Technical field
The utility model relates to air source heat pump air-conditioner, is specifically related to the air source heat pump air-conditioner that a kind of suitable wide temperature environment efficiently heats and freezes.
Background technology
At present, mainly by the indoor and outdoor air heat exchanger, in the air source heat pump air-conditioner formed of high temperature compressed machine and expansion valve, poor at the low temperature environment heating efficiency below 0 ℃, and reduction along with ambient air temperature, its heating energy efficiency ratio descends significantly, particularly when approaching-15 ℃ of outside air temperature, if do not increase auxiliary electric heater unit, normally heating operation.
Summary of the invention
The air source heat pump air-conditioner that provides a kind of suitable wide temperature environment efficiently to heat and freeze at above-mentioned is provided the purpose of this utility model.
The technical scheme that realizes above-mentioned purpose is: the air source heat pump air-conditioner that a kind of suitable wide temperature environment efficiently heats and freezes, it includes outdoor air heat exchanger and room air heat exchanger and energy coupled heat exchanger, by the refrigerant pipe of configuration electrically operated valve connect low back pressure type cryogenic compressor, once end, expansion valve and outdoor air heat exchanger are formed special low-temperature air source heat pump to the energy coupled heat exchanger; The secondary terminals that connects high temperature compressed machine, room air heat exchanger, expansion valve and energy coupled heat exchanger in the middle and high back pressure type by the refrigerant pipe of configuration electrically operated valve is formed the artificial source's heat pump by special low-temperature air source heat pump heat supply; Refrigerant pipe connection cryogenic compressor, expansion valve, room air heat exchanger and outdoor air heat exchanger by the configuration electrically operated valve are formed the suitable air source heat pump that winter, low-temperature environment heated; High temperature compressed machine, outdoor air heat exchanger, expansion valve and room air heat exchanger were formed the cooling air source heat pump in summer during the refrigerant pipe that is configured electrically operated valve connected.
The technical solution of the utility model also comprises: described expansion valve is an electric expansion valve; Heating with the conversion of freezing of high temperature compressed machine finished by the four-way change-over valve that is disposed in the refrigerant line in described.
The utility model adopts high temperature compressed machine configuration in low back pressure type cryogenic compressor and the middle and high back pressure type, utilization is by its air source heat pump that constitutes and artificial source's heat pump, and be effective combination by the energy coupled heat exchanger, can be implemented under-20 ℃ to-45 ℃ the special low temperature environment and efficiently heat; Utilize the combination of its cryogenic compressor and indoor and outdoor air heat exchanger to adapt to temperature at 0 ℃ of efficient heating operation to-20 ℃ of low temperature environments; And the combination of high temperature compressed machine and indoor and outdoor air heat exchanger realizes effective refrigerating operaton in can utilizing summer.
Description of drawings
Fig. 1 is that this suitable wide temperature environment efficiently heats and the structural representation of the air source heat pump air-conditioner that freezes.
Fig. 2 is that the utility model configuration four-way change-over valve is realized heating and the air conditioner structure schematic diagram that freezes and change.
The specific embodiment
In conjunction with the accompanying drawings the specific embodiment of the present utility model is described.
As accompanying drawing 1, the utility model includes outdoor air heat exchanger 1 and room air heat exchanger 14 and energy coupled heat exchanger 3, its indoor and outdoors heat exchanger can adopt the surface cooling heat exchanger, the energy coupled heat exchanger can be brazing-sheet type, shell coiled, shell helix tube type, bushing type, spiral plate type or shell-tube type multiple be the heat exchanger of medium with the cold-producing medium.Form special low-temperature air source heat pump by the low back pressure type cryogenic compressor 2 of refrigerant pipe connection of configuration electrically operated valve 5,6, once end, expansion valve 4 and the outdoor air heat exchanger 1 of energy coupled heat exchanger 3; The secondary terminals that connects high temperature compressed machine 11, room air heat exchanger 14, expansion valve 13 and energy coupled heat exchanger 3 in the middle and high back pressure type by the refrigerant pipe of configuration electrically operated valve 9,12 is formed the artificial source's heat pump by special low-temperature air source heat pump heat supply; Be connected cryogenic compressor 2, expansion valve 4, room air heat exchanger 14 and outdoor air heat exchanger 1 by the refrigerant pipe that disposes electrically operated valve 10 and electrically operated valve 15 and form the suitable air source heat pump that winter, low-temperature environment heated; The refrigerant pipe that is configured electrically operated valve 8, electrically operated valve 7 and electrically operated valve 16 connects the cooling air source heat pump in summer that compressor 11, outdoor air heat exchanger 1, expansion valve 13 and room air heat exchanger 14 are formed.
Accompanying drawing 2 is that with the difference of accompanying drawing 1 replacing the conversion electrically operated valve with four-way change-over valve 17 realizes that air-conditioning heats and the conversion of freezing.
The utility model operation principle is described as follows:
The utility model is during in the winter time-20 ℃ to-45 ℃ of special low temperature environments, and compressor 2 and compressor 11 move simultaneously.The high temperature refrigerant gas that its compressor 2 is discharged is through the once end of electrically operated valve 5 to energy coupled heat exchanger 3, discharge condenser heat to secondary terminals, the liquefy cold-producing medium after expansion valve 4 throttlings to the outdoor heat exchanger 1 evaporation absorption chamber outer air low-temperature heat quantity, the cold-producing medium that becomes gaseous state is sucked by compressor 2 through electrically operated valve 6 and continues compression, keeps heat in energy coupled heat exchanger 3 secondary terminals supply air.This heat sucks compressor 11 through electrically operated valve 9, be compressed into the high-temperature gas cold-producing medium and pass through valve 12 to room air heat exchanger 14, discharge condenser heat, by blower fan to indoor blowing hot-air heating, condensed liquid refrigerant absorbs the artificial heat that obtains and convert in once holding by air to energy coupled heat exchanger secondary terminals evaporation after expansion valve 13 throttlings, formed the compressor 11 absorption compressions of artificial source's heat pump again by valve 9, its high temperature refrigerant gas through conversion valve 12 to indoor heat exchanger 14 after room air discharges condenser heat, its liquid refrigerant secondary terminals to energy coupled heat exchanger 3 after expansion valve 13 throttlings constitutes artificial source's heat pump to the indoor heating operating loop.
In the winter time during 0 ℃ to-20 ℃ low temperature environment, compressor 2 isolated operations.The high temperature refrigerant gas that its compressor 2 is discharged through electronic conversion valve 10 to the indoor heat exchanger 14 condensation heat releases the liquefy cold-producing medium through electrically operated valve 15 to expansion valve 4 throttlings after low-temperature heat quantity in the outdoor heat exchanger 1 evaporation absorption chamber outer air, become gaseous refrigerant and continued to compress, carry out heating heating operation to indoor blowing hot-air by indoor heat exchanger 14 through the suction end of electrically operated valve 6 to compressor 2.
In summer during refrigerating state, compressor 11 isolated operations.The high temperature refrigerant gas that its compressor 11 is discharged through electrically operated valve 8 to outdoor air heat exchanger 1 discharge behind the condenser heat liquefy cold-producing medium through electrically operated valve 7 to expansion valve 13 throttlings after 14 evaporations of room air heat exchanger absorb heat in the room airs, freeze to blows cold wind indoors, gaseous refrigerant through electronic conversion valve 16 to compressor 11 suction ends, continue to be compressed circulation, realize to indoor refrigeration.
Claims (3)
1. air source heat pump air-conditioner that suitable wide temperature environment efficiently heats and freezes, include outdoor air heat exchanger (1) and room air heat exchanger (14) and energy coupled heat exchanger (3), it is characterized in that: form special low-temperature air source heat pump by the low back pressure type cryogenic compressor (2) of refrigerant pipe connection of configuration electrically operated valve (5), (6), once end, expansion valve (4) and the outdoor air heat exchanger (1) of energy coupled heat exchanger (3); The secondary terminals that connects high temperature compressed machine (11) in the middle and high back pressure type, room air heat exchanger (14), expansion valve (13) and energy coupled heat exchanger (3) by the refrigerant pipe of configuration electrically operated valve (9), (12) is formed the artificial source's heat pump by special low-temperature air source heat pump heat supply; Be connected cryogenic compressor (2), expansion valve (4), room air heat exchanger (14) and outdoor air heat exchanger (1) by the refrigerant pipe that disposes electrically operated valve (10) and electrically operated valve (15) and form the suitable air source heat pump that winter, low-temperature environment heated; The refrigerant pipe that is configured electrically operated valve (8), electrically operated valve (7) and electrically operated valve (16) connects the cooling air source heat pump in summer that compressor (11), outdoor air heat exchanger (1), expansion valve (13) and room air heat exchanger (14) are formed.
2. the air source heat pump air-conditioner that suitable wide temperature environment according to claim 1 efficiently heats and freezes is characterized in that: expansion valve (4) and (13) are electric expansion valves.
3. the air source heat pump air-conditioner that suitable wide temperature environment according to claim 1 efficiently heats and freezes is characterized in that: compressor (11) heats with the conversion of freezing and finishes by the four-way change-over valve (17) that is disposed in the refrigerant line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201018084U CN201074923Y (en) | 2007-06-27 | 2007-06-27 | Air source heat pump air conditioner being suitable for heating and cooling with high-efficiency in broad temperature surroundings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201018084U CN201074923Y (en) | 2007-06-27 | 2007-06-27 | Air source heat pump air conditioner being suitable for heating and cooling with high-efficiency in broad temperature surroundings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201074923Y true CN201074923Y (en) | 2008-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201018084U Expired - Fee Related CN201074923Y (en) | 2007-06-27 | 2007-06-27 | Air source heat pump air conditioner being suitable for heating and cooling with high-efficiency in broad temperature surroundings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201074923Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844255A (en) * | 2018-08-02 | 2018-11-20 | 东莞市齐创伟洁环境技术有限公司 | Air source heat pump and the method for making heat pump work under low circumstance temperature |
-
2007
- 2007-06-27 CN CNU2007201018084U patent/CN201074923Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844255A (en) * | 2018-08-02 | 2018-11-20 | 东莞市齐创伟洁环境技术有限公司 | Air source heat pump and the method for making heat pump work under low circumstance temperature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 |