CN101699184B - Air source heat pump water heater - Google Patents
Air source heat pump water heater Download PDFInfo
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- CN101699184B CN101699184B CN2009101935617A CN200910193561A CN101699184B CN 101699184 B CN101699184 B CN 101699184B CN 2009101935617 A CN2009101935617 A CN 2009101935617A CN 200910193561 A CN200910193561 A CN 200910193561A CN 101699184 B CN101699184 B CN 101699184B
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- heat exchanger
- compressor
- air source
- water heater
- heat pump
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Abstract
The invention discloses an air source heat pump water heater, which comprises a compressor, a four-way valve, a water-fluorine heat exchanger, a first throttling element and a heat exchanger, wherein the first port of the four-way valve is communicated with the high-pressure outlet of the compressor; the second port of the four-way valve is communicated with one end of the heat exchanger; the third port of the four-way valve is communicated with the low-pressure inlet of the compressor; the fourth port of the four-way valve is communicated with one end of the water-fluorine heat exchanger; the first throttling element is connected between the other end of the water-fluorine heat exchanger and the other end of the heat exchanger in series; the compressor is an enhanced vapor injection compressor and is provided with an injection opening; the air source heat pump water heater also comprises a flash evaporator, a second throttling element and a one-way electromagnetic valve; the flash evaporator and the second throttling element are arranged between the other end of the water-fluorine heat exchanger and the first throttling element. The air source heat pump water heater has the characteristics of simple and reasonable structure, normal operation at low temperature, high efficiency and wide application range.
Description
Technical field
The present invention relates to a kind of heat pump water-heating machine, particularly a kind of air source heat pump water heater that utilizes air injection enthalpy-increasing.
Background technology
At present, in air source heat pump water heater, since be by draw airborne heat come in the heating water tank water or from the water of running water pipe, therefore when outdoor environment temperature is low, it is longer that circulating air source heat pump water heater adds time of hot water, heaterless air source heat pump water heater then can't just can reach higher set water temperature through once heating, and is that efficiency or heating capacity all have very big decay, can not satisfy user's user demand at any time.
Summary of the invention
Purpose of the present invention aim to provide a kind of simple and reasonable, can be at low temperatures can operate as normal and efficient height, heating capacity air source heat pump water heater big, applied widely, to overcome weak point of the prior art.
A kind of air source heat pump water heater by this purpose design, comprise compressor, cross valve, water fluorine heat exchanger, first throttle element and heat exchanger, first interface of cross valve communicates with the high-pressure outlet of compressor, second interface of cross valve communicates with an end of heat exchanger, the 3rd interface of cross valve communicates with the low-pressure inlet of compressor, the 4th interface of cross valve communicates with an end of water fluorine heat exchanger, the first throttle element is serially connected between the other end of the other end of water fluorine heat exchanger and heat exchanger, it is characterized in that compressor is the air injection enthalpy-increasing compressor, also is provided with jet on this compressor; Air source heat pump water heater also comprises flash vessel, second restricting element and unidirectional electrical magnet valve, and the flash vessel and second restricting element are arranged between the other end and first throttle element of water fluorine heat exchanger; The top exit of flash vessel communicates with the jet of compressor by the unidirectional electrical magnet valve, and the other end of water fluorine heat exchanger is communicated to the inside of flash vessel by second restricting element, and the bottom of flash vessel is communicated with the other end of heat exchanger by the first throttle element.
Described air source heat pump water heater also comprises gas-liquid separator, and gas-liquid separator is serially connected between the low-pressure inlet of the 3rd interface of cross valve and compressor.
The high-pressure outlet of described compressor is provided with the high voltage protective device, and the low-pressure inlet of compressor is provided with the low-voltage variation device.
Described heat exchanger is provided with fan.
The present invention is on the basis of ordinary hot pump hot water machine, flash vessel, second restricting element and unidirectional electrical magnet valve have been set up, utilize air injection enthalpy-increasing, can be implemented under the low temperature environment and still can carry out operation of heat pump efficiently, have efficient height, characteristics that heating capacity is big, solve the ordinary hot pump hot water machine difficult problem that the heating capacity decay is big at low temperatures, the Energy Efficiency Ratio decay is big, enlarged the scope of application of heat pump water-heating machine.
Description of drawings
Fig. 1 is one embodiment of the invention structural representation.
Among the figure: 1 is compressor, and 2 is the high voltage protective switch, and 3 is cross valve, and 4 is water fluorine heat exchanger; 5 is second restricting element, and 6 is flash vessel, and 7 is the first throttle element, and 8 is heat exchanger; 9 is fan, and 10 is gas-liquid separator, and 11 is low-voltage protective switch, and 12 is the unidirectional electrical magnet valve.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described.
Referring to Fig. 1, this air source heat pump water heater comprises compressor 1, cross valve 3, water fluorine heat exchanger 4, second restricting element 5, flash vessel 6, first throttle element 7, heat exchanger 8, fan 9 and unidirectional electrical magnet valve 12.Compressor is the air injection enthalpy-increasing compressor, and compressor is provided with high-pressure outlet, low-pressure inlet and jet.Fan 9 is arranged on heat exchanger 8 next doors.
The first interface d of cross valve 3 communicates with the high-pressure outlet of compressor 1, the second interface e of cross valve 3 communicates with an end of heat exchanger 8, the 3rd interface s of cross valve 3 communicates with the low-pressure inlet of compressor 1, the 4th interface c of cross valve 3 communicates with an end of water fluorine heat exchanger 4, and first throttle element 7 is serially connected between the other end of the other end of water fluorine heat exchanger 4 and heat exchanger 8.
The flash vessel 6 and second restricting element 5 are arranged between the other end and first throttle element 7 of water fluorine heat exchanger 4; The top exit of flash vessel 6 communicates by the jet of unidirectional electrical magnet valve 12 with compressor 1, the other end of water fluorine heat exchanger 4 is communicated to the inside of flash vessel 6 by second restricting element 5, and the bottom of flash vessel 6 is communicated with the other end of heat exchangers 8 by first throttle element 7.
For the consideration of stable and security of operation, gas-liquid separator 10 is serially connected between the low-pressure inlet of the 3rd interface s of cross valve 3 and compressor 1; High-pressure outlet at compressor 1 is provided with high voltage protective device 2, at the low-pressure inlet of compressor 1 low-voltage variation device 11 is set.
During the heating operation, following two kinds of ruuning situations are arranged:
1), when environment temperature is higher: compressor 1 and fan 9 energisings, unidirectional electrical magnet valve 12 outage, refrigerant will enter water fluorine heat exchanger 4 from the high-pressure outlet of compressor 1, refrigerant on 4 li on water fluorine heat exchanger by water condensation, simultaneously, the water of coming from water tank or running water pipe is heated by refrigerant; After refrigerant comes out from the other end of water fluorine heat exchanger 4, carry out entering after the throttling inside of flash vessel 6 through second restricting element 5, refrigerant comes out from the bottom of flash vessel 6 through after the throttling once more, enter heat exchanger 8 again and evaporate heat absorption, fan 9 running makes the air heat exchanger 8 of flowing through, strengthened the heat exchange of refrigerant in heat exchanger 8, last refrigerant enters in the compressor 1 from the low-pressure inlet of compressor 1, finishes a circulation.
2), when environment temperature is low: compressor 1, fan 9 and 12 energisings of unidirectional electrical magnet valve, refrigerant will enter water fluorine heat exchanger 4 from the high-pressure outlet of compressor 1, in water fluorine heat exchanger 4 by water condensation, simultaneously, the water of coming from water tank or running water pipe is heated by refrigerant, refrigerant carries out throttling through second restricting element 5 after the other end of water fluorine heat exchanger 4 comes out, enter the inside of flash vessel 6 then, gaseous coolant comes out from the top of flash vessel 6 and enters compressor 1 by unidirectional electrical magnet valve 12 from the jet of compressor 1; Liquid refrigerants then comes out from flash vessel 6 bottoms, through first throttle element 7 once more after the throttling, enter heat exchanger 8 and evaporate heat absorption, fan 9 running makes the air heat exchanger 8 of flowing through, strengthened the heat exchange of refrigerant in heat exchanger 8, last refrigerant enters in the compressor 1 from the low-pressure inlet of compressor 1, finishes a circulation.
Claims (4)
1. air source heat pump water heater, comprise compressor (1), cross valve (3), water fluorine heat exchanger (4), first throttle element (7) and heat exchanger (8), first interface (d) of cross valve communicates with the high-pressure outlet of compressor, second interface (e) of cross valve communicates with an end of heat exchanger, the 3rd interface (s) of cross valve communicates with the low-pressure inlet of compressor, the 4th interface (c) of cross valve communicates with an end of water fluorine heat exchanger, the first throttle element is serially connected between the other end of the other end of water fluorine heat exchanger and heat exchanger, it is characterized in that compressor is the air injection enthalpy-increasing compressor, also is provided with jet on this compressor; Air source heat pump water heater also comprises flash vessel (6), second restricting element (5) and unidirectional electrical magnet valve (12), and the flash vessel and second restricting element are arranged between the other end and first throttle element of water fluorine heat exchanger; The top exit of flash vessel communicates with the jet of compressor by the unidirectional electrical magnet valve, and the other end of water fluorine heat exchanger is communicated to the inside of flash vessel by second restricting element, and the bottom of flash vessel is communicated with the other end of heat exchanger by the first throttle element.
2. air source heat pump water heater according to claim 1 is characterized in that described air source heat pump water heater also comprises gas-liquid separator (10), and gas-liquid separator is serially connected between the low-pressure inlet of the 3rd interface (s) of cross valve (3) and compressor.
3. air source heat pump water heater according to claim 1 is characterized in that the high-pressure outlet of described compressor (1) is provided with high voltage protective device (2), and the low-pressure inlet of compressor is provided with low-voltage variation device (11).
4. air source heat pump water heater according to claim 1 is characterized in that described heat exchanger (8) is provided with fan (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101935617A CN101699184B (en) | 2009-10-28 | 2009-10-28 | Air source heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101935617A CN101699184B (en) | 2009-10-28 | 2009-10-28 | Air source heat pump water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101699184A CN101699184A (en) | 2010-04-28 |
| CN101699184B true CN101699184B (en) | 2011-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101935617A Expired - Fee Related CN101699184B (en) | 2009-10-28 | 2009-10-28 | Air source heat pump water heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN101699184B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650467A (en) * | 2012-04-25 | 2012-08-29 | 深圳力合电力工程有限公司 | Single-effect mixed heat pump unit and double-effect mixed heat pump unit |
| CN203286821U (en) * | 2013-05-03 | 2013-11-13 | 珠海格力电器股份有限公司 | Two-stage enthalpy-increasing air conditioning system |
| CN104287625A (en) * | 2014-10-15 | 2015-01-21 | 中山昊天节能科技有限公司 | Air energy tea-leaf filtering device |
| CN105402887B (en) * | 2015-12-04 | 2018-09-07 | 浙江工业大学 | The gas heater based on jet heat pump of open type |
| CN118274463B (en) * | 2024-05-31 | 2024-09-10 | 江苏光芒新能源科技有限公司 | Control system and method suitable for low-temperature environment air source water heater |
-
2009
- 2009-10-28 CN CN2009101935617A patent/CN101699184B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101699184A (en) | 2010-04-28 |
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| C14 | Grant of patent or utility model | ||
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Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER OWNER: MEIDI ELECTRIC APPLIANCES CO., LTD., GUANGDONG Effective date: 20140109 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 528300 FOSHAN, GUANGDONG PROVINCE TO: 528311 FOSHAN, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140109 Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: Midea Group Co., Ltd. Address before: 528300 Penglai Road, Beijiao Town, Shunde District, Guangdong, Foshan Patentee before: Meidi Electric Appliances Co., Ltd., Guangdong |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20201028 |
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| CF01 | Termination of patent right due to non-payment of annual fee |