CN206274211U - Heat accumulating type air-source heat pump air conditioning system and the air-conditioning comprising it - Google Patents
Heat accumulating type air-source heat pump air conditioning system and the air-conditioning comprising it Download PDFInfo
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- CN206274211U CN206274211U CN201621155624.1U CN201621155624U CN206274211U CN 206274211 U CN206274211 U CN 206274211U CN 201621155624 U CN201621155624 U CN 201621155624U CN 206274211 U CN206274211 U CN 206274211U
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Abstract
The utility model is related to field of Refrigeration and Air-conditioning, discloses a kind of heat accumulating type air-source heat pump air conditioning system, and it includes：Compressor；Commutation component；Indoor heat exchanger and outdoor heat exchanger；Phase change heat accumulator and bypass line, phase change heat accumulator is arranged on compressor outside, the first end of bypass line the second end respectively with indoor heat exchanger, the first end of outdoor heat exchanger are connected, second end of bypass line is connected with the gas returning port of compressor, being at least partially disposed in phase change heat accumulator of bypass line be used for phase change heat accumulator heat exchange, throttle check valve module is additionally provided with bypass line.The air-conditioning system is recycled by setting the used heat that phase change heat accumulator and bypass line are produced to compressor, is absorbed heat into phase-change heat storage device from outdoor heat exchanger low-temperature refrigerant out, suction temperature is improved, so as to improve the low-temperature heating performance of the air-conditioning system.The invention also discloses a kind of air-conditioning comprising above-mentioned heat accumulating type air-source heat pump air conditioning system.
Description
Technical field
The utility model is related to field of Refrigeration and Air-conditioning, more particularly to a kind of heat accumulating type air-source heat pump air conditioning system, with
And the air-conditioning comprising above-mentioned heat accumulating type air-source heat pump air conditioning system.
Background technology
At present, heat accumulating type air-source heat pump air conditioning system on the market, under the extremely low operating mode of outdoor environment temperature,
The low-temperature heating scarce capacity of heat pump type air conditioner, or even cannot normally start, and transported under the relatively low operating mode of outdoor temperature
During row heat pump mode, outdoor heat exchanger is because temperature is low, high humidity and easily frosting.The formation of frost layer and influence factor are more multiple
Miscellaneous, major influence factors have cooling surface, outdoor climate conditions and time.Air conditioner makes in the very low environment of outdoor temperature in the winter time
Used time, the evaporating temperature of its working medium is very low, and the moisture in air easily condenses into frost in evaporator surface, especially in air humidity
Big regional frost is easier to be occurred, and frosting can then increase outdoor unit windage, cause heat transfer coefficient of heat exchanger to decline.With
The reduction of evaporating temperature, under certain condensation temperature, the coefficient of performance in heating of heat pump is also accordingly reduced, so as to cause heat energy
Utilization rate decline.
Utility model content
(1) technical problem to be solved
A purpose of the present utility model is to provide a kind of heat accumulating type air-source heat pump air conditioning system, can effectively lift heat
Pump air conditioner system heating capacity at low ambient temperatures, optimization air-conditioning system heating efficiency at low ambient temperatures, so as to improve
Thermal comfort for room under low-temperature heating.
Another purpose of the present utility model is to provide a kind of sky comprising above-mentioned heat accumulating type air-source heat pump air conditioning system
Adjust.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of heat accumulating type air-source heat pump air conditioning system, its
Including：
Compressor, the compressor has exhaust outlet and gas returning port；
Commutation component, the commutation component includes the first valve port, the second valve port, the 3rd valve port and the 4th valve port, described the
One valve port is connected with the exhaust outlet, and the 3rd valve port is connected with the gas returning port；
Indoor heat exchanger, first throttle device and outdoor heat exchanger, the first end of the indoor heat exchanger and described second
Valve port is connected, and the first end of the first throttle device is connected with the second end of the indoor heat exchanger, the outdoor heat exchanger
First end be connected with the second end of the first throttle device, the second end of the outdoor heat exchanger and the 4th valve port phase
Even, when air-conditioning system be in heating mode when, first valve port is connected with second valve port, the 3rd valve port with it is described
4th valve port is connected, and when air-conditioning system is in refrigeration mode, first valve port is connected with the 4th valve port, and described second
Valve port is connected with the 3rd valve port；
Phase change heat accumulator and bypass line, the phase change heat accumulator are arranged on the compressor outside, the bypass line
First end the second end respectively with first throttle device, the first end of outdoor heat exchanger be connected, the second of the bypass line
End is connected with the gas returning port of the compressor, the bypass line be at least partially disposed in the phase change heat accumulator for
The phase change heat accumulator heat exchange, is additionally provided with the throttling stop valve for controlling the bypass line on the bypass line
Component.
Wherein, the throttle check valve module includes the stop valve and second throttling device of series connection.Wherein, the second section
Stream device is capillary.
Wherein, the bypass line is wrapped in the phase change heat accumulator.
Wherein, heating component is provided with the phase change heat accumulator.
Wherein, the heating component is electric heater.
Wherein, phase change heat storage material is filled with the phase change heat accumulator.
Wherein, the phase change heat storage material is the mixture of paraffin and vulcanization expanded graphite.
Wherein, it is provided with gas-liquid separator at the air inlet of the compressor.
The invention also discloses a kind of air-conditioning, it includes above-mentioned heat accumulating type air-source heat pump air conditioning system.
(3) beneficial effect
Heat accumulating type air-source heat pump air conditioning system provided by the utility model is by setting phase change heat accumulator and bypass pipe
Road, realizes recycling to the used heat that compressor is produced, and is entered by bypass line from outdoor heat exchanger low-temperature refrigerant out
Phase-change heat storage device heat absorption raises its temperature, the suction temperature of compressor is improve, so as to improve the low temperature of the air-conditioning system
Heating performance.Additionally, providing auxiliary heat with reference to heating, thermal comfort for room at low ambient temperatures is further improved.Meanwhile, use
Heat storage technology ensure that the stability of defrost process, refrigerant evaporation endothermic inside phase change heat accumulator during defrost, without
Cross indoor heat exchanger, it is to avoid temperature fluctuation when room is heated, while accelerating the defrost speed of outdoor heat exchanger, improve low temperature
Thermal comfort for room under heating.
Brief description of the drawings
Fig. 1 is according to a kind of structural representation of heat accumulating type air-source heat pump air conditioning system of the present utility model.
In figure, 1：Compressor；2：Gas-liquid separator；3：Heating component；4：Phase change heat accumulator；5：Phase change heat storage material；6：
Commutation component；7：Control valve：8：Outdoor heat exchanger；9：Outdoor fan；10：Stop valve；11：Second throttling device；12：First segment
Stream device；13：Indoor heat exchanger；14：Indoor fan.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is used to illustrate the utility model, but is not limited to scope of the present utility model.
Fig. 1 shows and be preferable to carry out according to one of a kind of heat accumulating type air-source heat pump air conditioning system of the present utility model
Example.As shown in figure 1, the air-conditioning system includes compressor 1, commutation component 6, outdoor heat exchanger 8, outdoor fan 9, first throttle dress
Put 12, indoor heat exchanger 13 and indoor fan 14.
Specifically, compressor 1 has exhaust outlet and gas returning port.Commutation component 6 include the first valve port 6a, the second valve port 6b,
3rd valve port 6c and the 4th valve port 6d, the first valve port 6a is connected with the exhaust outlet of compressor 1, the 3rd valve port 6c and compressor 1
Gas returning port is connected, and the first end 13a of indoor heat exchanger 13 is connected with the second valve port 6b, the first end of first throttle device 12 and room
Second end 13b of interior heat exchanger 13 is connected, and the first end 8a of outdoor heat exchanger 8 is connected with the second end of first throttle device 12,
Second end 8b of outdoor heat exchanger 8 is connected with the 4th valve port 6d, that is to say, that indoor heat exchanger 13, the and of first throttle device 12
Outdoor heat exchanger 8 is in sequential series.
As shown in figure 1, the air-conditioning system also includes phase change heat accumulator 4, the phase change heat accumulator 4 is arranged on the outer of compressor 1
Side, is filled with phase change heat storage material 5 in phase change heat accumulator 4, and preferably phase change heat storage material 5 is paraffin and and vulcanization expanded graphite
Mixture.It will be appreciated by those skilled in the art that phase change heat storage material 5 can also be other any suitable heat-storing materials.
Specifically, phase change heat accumulator 4 is fitted with the outer wall of compressor 1, the used heat for absorbing the generation of compressor 1.The air-conditioning system is also wrapped
Bypass line is included, the first end of the bypass line the second end, the first end of outdoor heat exchanger 8 respectively with first throttle device 12
8a is connected, and the second end of the bypass line is connected with the gas returning port of compressor 1, and the phase transformation that is at least partially disposed in of bypass line stores
It is used for and the heat exchange of phase change heat accumulator 4 in hot device 4.Preferably, for the ease of carrying out heat exchange, bypass pipe with phase change heat accumulator 4
Road is wrapped in phase change heat accumulator 4.Method of the air-conditioning system using bypass line is increased, the used heat reality produced to compressor 1
Now recycle.
Further, the throttle check valve module for controlling bypass line is additionally provided with bypass line, specifically,
The throttle check valve module includes the stop valve 10 and second throttling device 11 of series connection.When the air-conditioning system is freezed, by this
Siphunculus road disconnects, when air-conditioning system is heated or is defrosted, bypass line connection, to be preheated to return-air.
Preferably, set fluted in phase change heat accumulator 4, heating (the preferably electrical heating of component 3 is provided with groove
Device), when temperature is not enough in phase change heat accumulator 4, heating component 3 is opened for for phase change heat accumulator 4 is heated.When air-conditioning system
When white, heating component 3 is suitable to the refrigerant heat in phase change heat accumulator 4, and the refrigerant after intensification enters beginning in compressor 1
Next defrost process, can accelerate the defrost process of outdoor heat exchanger 8 under low temperature environment, the time required for shortening defrost,
Ensure room comfortableness at low ambient temperatures.
It should be noted that in air-conditioning system operating, due to that cannot ensure that refrigerant can be completely vaporized all, in order to anti-
The liquid refrigerant only not vaporized enters in compressor 1, gas-liquid separator 2 is provided with the air inlet of compressor 1, to prevent
The suction liquid refrigerant of compressor 1 causes liquid hammer.
When air-conditioning system is heated, stop valve 10 is opened, and control valve 7 is opened, the first valve port 6a and second of the component 6 that commutates
Valve port 6b is connected, and the 3rd valve port 6c is connected with the 4th valve port 6d, and the high-temperature high-pressure refrigerant discharged from the exhaust outlet of compressor 1 leads to
Cross commutation component 6 and get in heat exchanger 13, from the refrigerant out of indoor heat exchanger 13 first throttle device 12 throttling
After be divided into two branch roads, lead up to bypass branch into heat absorption in storage heater 4, enter all the way in outdoor heat exchanger 8 and absorb outer
Boundary's amount of heat, from compressor from the high temperature refrigerant out of storage heater 4 and from after the refrigerant mixing out of outdoor heat exchanger 8
1 gas returning port returns to compressor 1, completes heating operations.
When air-conditioning system is freezed, stop valve 10 is closed, and control valve 7 is opened, and heating component 3 is remained turned-off, and commutate component 6
The first valve port 6a connected with the 4th valve port 6b, the second valve port 6b is connected with the 3rd valve port 6c, the system of HTHP in compressor 1
Cryogen is discharged into outdoor heat exchanger 8 from the exhaust outlet of compressor 1, into outdoor heat exchanger 8 refrigerant condensation radiating after simultaneously
By getting in heat exchanger 13 after the throttling of first throttle device 12, the refrigerant evaporation endothermic of heat exchanger 13 is got in
Afterwards, compressor 1 is returned to from the gas returning port of compressor 1 by the component 6 that commutates, completes process of refrigerastion.
When air-conditioning system defrosts, stop valve 10 is opened, and control valve 7 is closed, and electric expansion valve 12 is closed, and commutate component 6
The first valve port 6a connected with the 4th valve port 6d, the refrigerant of HTHP is discharged into outdoor and changes from exhaust outlet in compressor 1
After hot device 8 defrosts, by entering the inside evaporation endothermic of storage heater 4 after the throttling of second throttling device on bypass line 11, then
Compressor 1 is returned to, defrosting process is completed.The air-conditioning system ensure that the stability of defrost process, defrost using heat storage technology
Refrigerant is in the inside evaporation endothermic of phase change heat accumulator 4 in journey, without indoor heat exchanger 13, it is to avoid temperature wave when room is heated
It is dynamic, while accelerating the defrost speed of outdoor heat exchanger, the low-temperature heating ability of heat pump air conditioner is lifted, improve heat pump air conditioner
System heats comfortableness.
Alternatively, control valve 7 is magnetic valve.Magnetic valve has the advantages that easily controllable, flexibility is high.First throttle device
12nd, second throttling device 11 includes capillary and/or choke valve (such as electric expansion valve), that is to say, that first throttle device
12nd, second throttling device 11 can include capillary, it is also possible to including choke valve, can also simultaneously include capillary and throttling
Valve.Capillary and choke valve are respectively provided with the effect of reducing pressure by regulating flow within air-conditioning systems, can as needed select suitable throttling
Device.Commutation component 6 is four-way reversing valve, four-way valve simple structure, low cost and application is wide.
The invention also discloses a kind of air-conditioning, it includes above-mentioned heat accumulating type air-source heat pump air conditioning system.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of heat accumulating type air-source heat pump air conditioning system, it is characterised in that including：
Compressor, the compressor has exhaust outlet and gas returning port；
Commutation component, the commutation component includes the first valve port, the second valve port, the 3rd valve port and the 4th valve port, first valve
Mouth is connected with the exhaust outlet, and the 3rd valve port is connected with the gas returning port；
Indoor heat exchanger, first throttle device and outdoor heat exchanger, the first end of the indoor heat exchanger and second valve port
It is connected, the first end of the first throttle device is connected with the second end of the indoor heat exchanger, the of the outdoor heat exchanger
One end is connected with the second end of the first throttle device, and the second end of the outdoor heat exchanger is connected with the 4th valve port,
When air-conditioning system is in heating mode, first valve port is connected with second valve port, the 3rd valve port and described the
Four valve ports are connected, and when air-conditioning system is in refrigeration mode, first valve port is connected with the 4th valve port, second valve
Mouth is connected with the 3rd valve port；
Phase change heat accumulator and bypass line, the phase change heat accumulator are arranged on compressor outside, and the of the bypass line
One end the second end respectively with first throttle device, the first end of outdoor heat exchanger are connected, the second end of the bypass line with
The gas returning port of the compressor is connected, being at least partially disposed in the phase change heat accumulator of the bypass line be used for it is described
Phase change heat accumulator heat exchange, is additionally provided with the throttle check valve group for controlling the bypass line on the bypass line
Part.
2. air-conditioning system as claimed in claim 1, it is characterised in that the throttle check valve module includes the stop valve of series connection
And second throttling device.
3. air-conditioning system as claimed in claim 2, it is characterised in that the second throttling device is capillary.
4. air-conditioning system as claimed in claim 1, it is characterised in that the bypass line is wrapped in the phase change heat accumulator
It is interior.
5. air-conditioning system as claimed in claim 1, it is characterised in that heating component is provided with the phase change heat accumulator.
6. air-conditioning system as claimed in claim 5, it is characterised in that the heating component is electric heater.
7. air-conditioning system as claimed in claim 1, it is characterised in that phase-transition heat-storage material is filled with the phase change heat accumulator
Material.
8. air-conditioning system as claimed in claim 7, it is characterised in that the phase change heat storage material is paraffin and vulcanization expansion stone
The mixture of ink.
9. the air-conditioning system as any one of claim 1-8, it is characterised in that set at the air inlet of the compressor
There is gas-liquid separator.
10. a kind of air-conditioning, it is characterised in that including the air-conditioning system described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621155624.1U CN206274211U (en) | 2016-10-31 | 2016-10-31 | Heat accumulating type air-source heat pump air conditioning system and the air-conditioning comprising it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621155624.1U CN206274211U (en) | 2016-10-31 | 2016-10-31 | Heat accumulating type air-source heat pump air conditioning system and the air-conditioning comprising it |
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| Publication Number | Publication Date |
|---|---|
| CN206274211U true CN206274211U (en) | 2017-06-23 |
Family
ID=59062274
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621155624.1U Active CN206274211U (en) | 2016-10-31 | 2016-10-31 | Heat accumulating type air-source heat pump air conditioning system and the air-conditioning comprising it |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458452A (en) * | 2018-03-22 | 2018-08-28 | 广东美的制冷设备有限公司 | Air conditioner and its control method and computer readable storage medium |
| CN109387075A (en) * | 2018-09-29 | 2019-02-26 | 珠海格力电器股份有限公司 | Heat pump system and heat pump drying device |
| CN109737516A (en) * | 2017-10-30 | 2019-05-10 | 浙江三花智能控制股份有限公司 | Ceiling-mounted air conditioner |
| CN109900019A (en) * | 2019-02-18 | 2019-06-18 | 北京工业大学 | Low-temperature air source heat pump |
| CN109900020A (en) * | 2019-02-18 | 2019-06-18 | 北京工业大学 | Strengthen heating heat pump system |
| CN110701820A (en) * | 2019-10-25 | 2020-01-17 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
| CN110715486A (en) * | 2019-10-25 | 2020-01-21 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
| CN110966795A (en) * | 2019-11-25 | 2020-04-07 | 珠海格力电器股份有限公司 | Heat pump system |
| CN114110846A (en) * | 2021-11-23 | 2022-03-01 | 珠海格力电器股份有限公司 | Energy storage heat pump system and control method thereof |
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2016
- 2016-10-31 CN CN201621155624.1U patent/CN206274211U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737516A (en) * | 2017-10-30 | 2019-05-10 | 浙江三花智能控制股份有限公司 | Ceiling-mounted air conditioner |
| CN109737516B (en) * | 2017-10-30 | 2023-11-07 | 浙江三花智能控制股份有限公司 | Suspended ceiling type air conditioner |
| CN108458452A (en) * | 2018-03-22 | 2018-08-28 | 广东美的制冷设备有限公司 | Air conditioner and its control method and computer readable storage medium |
| CN109387075A (en) * | 2018-09-29 | 2019-02-26 | 珠海格力电器股份有限公司 | Heat pump system and heat pump drying device |
| CN109900019A (en) * | 2019-02-18 | 2019-06-18 | 北京工业大学 | Low-temperature air source heat pump |
| CN109900020A (en) * | 2019-02-18 | 2019-06-18 | 北京工业大学 | Strengthen heating heat pump system |
| CN109900019B (en) * | 2019-02-18 | 2024-02-02 | 北京工业大学 | Low-temperature air source heat pump |
| CN110701820A (en) * | 2019-10-25 | 2020-01-17 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
| CN110715486A (en) * | 2019-10-25 | 2020-01-21 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
| CN110715486B (en) * | 2019-10-25 | 2022-11-29 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
| CN110966795A (en) * | 2019-11-25 | 2020-04-07 | 珠海格力电器股份有限公司 | Heat pump system |
| CN114110846A (en) * | 2021-11-23 | 2022-03-01 | 珠海格力电器股份有限公司 | Energy storage heat pump system and control method thereof |
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