CN201237398Y - Feedback auxiliary heating type low-temperature air source heat pump air conditioner - Google Patents
Feedback auxiliary heating type low-temperature air source heat pump air conditioner Download PDFInfo
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- CN201237398Y CN201237398Y CNU2008200772030U CN200820077203U CN201237398Y CN 201237398 Y CN201237398 Y CN 201237398Y CN U2008200772030 U CNU2008200772030 U CN U2008200772030U CN 200820077203 U CN200820077203 U CN 200820077203U CN 201237398 Y CN201237398 Y CN 201237398Y
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Abstract
The utility model provides a feedback auxiliary heating type low-temperature air source heat pump air conditioner comprising an air source heat pump system which is composed of a compressor, a four-way reversing valve, an indoor heat exchanger, an expansion valve and an outdoor heat exchanger, and the feedback auxiliary heating type low-temperature air source heat pump air conditioner is characterized in that a feedback auxiliary heating system which uses heat output by a compressor of a heat pump or the heat of a heating loop to heat the suction temperature of the compressor is arranged to be matched with the air source heat pump system. The feedback auxiliary heating type low-temperature air source heat pump air conditioner adopts the mode of feeding back one part of the heat of the exhaust end of the compressor or one part of the heat of the heating loop of an air conditioning system to the compressor to carry out the auxiliary heating of the suction of the compressor, thereby improving the temperature of refrigerant gas sucked by the compressor and effectively improving the energy efficiency rate of the air source heat pump air conditioner at low-temperature environments. Compared with the existing electric auxiliary heating mode, the feedback auxiliary heating type low-temperature air source heat pump air conditioner has low energy consumption, good heating effect at the low-temperature environment and high operation efficiency of the air conditioner.
Description
Technical field
The utility model relates to air source heat pump air-conditioner, is specifically related to a kind of feedback auxiliary heating type low-temperature air source heat pump air conditioner.
Background technology
Air source heat pump air-conditioner makes its heating effect poor owing to Energy Efficiency Ratio when worst cold case below-5 ℃ moves is low.Prior art is for improving the heating effect of air source heat pump air-conditioner under the low temperature environment, adopt the auxiliary mode of heating of electricity, and the auxiliary heating of electricity belongs to the high energy consumption method of operation, therefore causes the heating energy efficiency ratio of existing air source heat pump air-conditioner under low temperature environment low, and power consumption is high.
Summary of the invention
The purpose of this utility model is at the problems referred to above, provides the auxiliary heating of a kind of electricity relatively to have the feedback auxiliary heating type low-temperature air source heat pump air conditioner of high energy efficiency ratio.
The technical scheme that realizes above-mentioned purpose is: a kind of feedback auxiliary heating type low-temperature air source heat pump air conditioner, it includes by compressor, four-way change-over valve, indoor heat exchanger, the air source heat pump system that expansion valve and outdoor heat exchanger are formed, match with air source heat pump system and to be equipped with the feedback concurrent heating system, its feedback concurrent heating system is by connect the magnetic valve that places the compressor air-discharging end through refrigerant line, place the feedback heat exchanger of compressor air suction end and place the expansion valve of outdoor heat exchanger end to form, wherein, the secondary of feedback heat exchanger is connected between the suction end and four-way change-over valve of compressor magnetic valve, that feeds back heat exchanger once constitutes backfeed loop with expansion valve.
The technical solution of the utility model also comprises: described feedback concurrent heating system is made up of the feedback heat exchanger that is arranged at the compressor air suction end and feedback heat exchanger that is arranged at the compressor air-discharging end and feedback circulating pump, wherein, place the compressor air suction end the feedback heat exchanger once constitute backfeed loop with the secondary of the feedback heat exchanger that places the compressor air-discharging end and circulating pump.
Another technical scheme of the present utility model is: matching with indoor heat exchanger is equipped with the heating loop of being made up of water circulating pump and air conditioner end equipment, described feedback concurrent heating system by the feedback heat exchanger that places the compressor air suction end, place the feedback heat exchanger and the circulating pump in heating loop to form, wherein, place the heating loop the feedback heat exchanger secondary through circulating pump with place the once formation backfeed loop of the feedback heat exchanger of compressor air suction end.
The utility model adopts a part of heat of compressor air-discharging end or a part of heat of heating system heat supplying loop is fed back to the compressor air suction end, compressor air suction is heated, improve the temperature of the refrigerant gas of compressor suction, in order to the Energy Efficiency Ratio of air source heat pump air-conditioner under effective raising low temperature environment.With respect to the auxiliary mode of heating of existing electricity, energy consumption is low, and heating effect is good under the low temperature environment, operation of air conditioner efficient height.
Description of drawings
Fig. 1 utilizes compressor air-discharging feedback auxiliary heating type low-temperature air source heat pump air conditioner system schematic;
Fig. 2 utilizes the heat exchanger feedback auxiliary heating type low-temperature air source heat pump air conditioner system schematic that is disposed at compressor air suction and exhaust end;
Fig. 3 utilizes the heat exchanger feedback auxiliary heating type low-temperature air source heat pump air conditioner system schematic that is disposed at compressor air suction end and heating loop.
The specific embodiment
In conjunction with the accompanying drawings the specific embodiment of the present utility model is described.
As accompanying drawing 1, this feedback auxiliary heating type low-temperature air source heat pump air conditioner includes by compressor 1, four-way change-over valve 2, indoor heat exchanger 3, the air source heat pump system that expansion valve 4 and outdoor heat exchanger 5 are formed, match with air source heat pump system and to be equipped with the feedback concurrent heating system, its feedback concurrent heating system is by connect the magnetic valve 6 that places compressor 1 exhaust end through refrigerant line, place the feedback heat exchanger 7 of compressor air suction end and place the expansion valve 8 of outdoor heat exchanger 5 ends to form, wherein, the secondary of feedback heat exchanger 7 is connected between the suction end and four-way change-over valve 2 of compressor magnetic valve 6, that feeds back heat exchanger 7 once constitutes backfeed loops with expansion valve 8.
Above-mentioned heat pump air conditioner is under low temperature environment during heating operation, the part high temperature refrigerant gas that control magnetic valve 6 is discharged compressor 1 is delivered to heat exchanger 7 once, to hot from the auxiliary companion of the low-temperature refrigerant gas of outdoor heat exchanger by heat exchanger 7 secondaries, improve the suction temperature of compressor 1, in order to the Energy Efficiency Ratio of raising compressor, thus the heating operation efficient of raising air-conditioning system.
As accompanying drawing 2, its feedback concurrent heating system is made up of the feedback heat exchanger 7 that is arranged at compressor 1 suction end and feedback heat exchanger 9 that is arranged at compressor 1 exhaust end and feedback circulating pump 10, wherein, that feeds back heat exchanger 7 once constitutes backfeed loops with secondary that feeds back heat exchanger 9 and circulating pump 10, once being connected between compressor 1 exhaust end and the four-way change-over valve 2 of feedback heat exchanger 9, the secondary of feedback heat exchanger 7 is connected between the suction end and four-way change-over valve 2 of compressor 1.
The backfeed loop that above-mentioned feedback concurrent heating system is once formed by circulating pump 10, heat exchanger 9 secondaries, heat exchanger 7, the part heat of compressor 1 exhaust end cold-producing medium is fed back to compressor 1 suction end, in order to improve the compressor air suction temperature, improve the compressor Energy Efficiency Ratio, thereby improve the operating efficiency that heat pump type air conditioning system heats under the low temperature environment.The working media that charges in its backfeed loop can be conduction oil or ethylene glycol antifreeze.
As accompanying drawing 3, feedback heat exchanger 9 is installed among the heating water circulation system of being made up of the secondary of indoor heat exchanger 3 and heating circulation pump 11 and air-conditioning heating end-equipments 12 such as radiator or fan coil.Wherein, the secondary of feedback heat exchanger 7 is connected between the suction end and four-way change-over valve 2 of compressor 1, and that feeds back heat exchanger 7 once feeds back the circulatory mediator loop with the secondary formation of circulating pump 10 and feedback heat exchanger 9.
Above-mentioned feedback concurrent heating system feeds back to compressor 1 suction end with the part heat of heating loop, is used to improve the compressor air suction temperature, improves the compressor Energy Efficiency Ratio, thereby improves the operating efficiency that heat pump type air conditioning system heats under the low temperature environment.The working media that charges in its backfeed loop still can be conduction oil or ethylene glycol antifreeze.
Claims (3)
1, a kind of feedback auxiliary heating type low-temperature air source heat pump air conditioner, include by compressor (1), four-way change-over valve (2), indoor heat exchanger (3), the air source heat pump system that expansion valve (4) and outdoor heat exchanger (5) are formed, it is characterized in that: matching with air source heat pump system is equipped with the feedback concurrent heating system, its feedback concurrent heating system is by connect the magnetic valve (6) that places compressor (1) exhaust end through refrigerant line, place the feedback heat exchanger (7) of compressor (1) suction end and place the expansion valve (8) of outdoor heat exchanger (5) end to form, wherein, the secondary of feedback heat exchanger (7) is connected between the suction end and four-way change-over valve (2) of compressor (1) magnetic valve (6), feedback heat exchanger (7) once and expansion valve (8) constitute backfeed loop.
2, feedback auxiliary heating type low-temperature air source heat pump air conditioner according to claim 1, it is characterized in that: described feedback concurrent heating system by the feedback heat exchanger (7) that is arranged at compressor (1) suction end and be arranged at compressor (1) exhaust end feedback heat exchanger (9) and the feedback circulating pump (10) form, wherein, feedback heat exchanger (7) once constitutes backfeed loop with secondary that feeds back heat exchanger (9) and circulating pump (10).
3, feedback auxiliary heating type low-temperature air source heat pump air conditioner according to claim 2, it is characterized in that: matching with indoor heat exchanger (3) is equipped with the heating loop of being made up of water circulating pump (11) and air conditioner end equipment (12), described feedback concurrent heating system by the feedback heat exchanger (7) that places compressor (1) suction end, place the feedback heat exchanger (9) in heating loop and circulating pump (10) to form, wherein, the secondary of feedback heat exchanger (9) is through the once formation backfeed loop of circulating pump (10) with feedback heat exchanger (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200772030U CN201237398Y (en) | 2008-05-16 | 2008-05-16 | Feedback auxiliary heating type low-temperature air source heat pump air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200772030U CN201237398Y (en) | 2008-05-16 | 2008-05-16 | Feedback auxiliary heating type low-temperature air source heat pump air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201237398Y true CN201237398Y (en) | 2009-05-13 |
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ID=40650130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200772030U Expired - Lifetime CN201237398Y (en) | 2008-05-16 | 2008-05-16 | Feedback auxiliary heating type low-temperature air source heat pump air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201237398Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721228A (en) * | 2012-06-28 | 2012-10-10 | 广东志高空调有限公司 | Air cooled cold/hot water unit |
| CN103604241A (en) * | 2013-11-15 | 2014-02-26 | Tcl空调器(中山)有限公司 | Air conditioner and method for controlling same |
-
2008
- 2008-05-16 CN CNU2008200772030U patent/CN201237398Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721228A (en) * | 2012-06-28 | 2012-10-10 | 广东志高空调有限公司 | Air cooled cold/hot water unit |
| CN103604241A (en) * | 2013-11-15 | 2014-02-26 | Tcl空调器(中山)有限公司 | Air conditioner and method for controlling same |
| CN103604241B (en) * | 2013-11-15 | 2016-08-03 | Tcl空调器(中山)有限公司 | Air-conditioner and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090513 |
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| CX01 | Expiry of patent term |