CN107631515A - Heat pump air conditioner unit - Google Patents
Heat pump air conditioner unit Download PDFInfo
- Publication number
- CN107631515A CN107631515A CN201711144901.8A CN201711144901A CN107631515A CN 107631515 A CN107631515 A CN 107631515A CN 201711144901 A CN201711144901 A CN 201711144901A CN 107631515 A CN107631515 A CN 107631515A
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- CN
- China
- Prior art keywords
- heat exchanger
- electric expansion
- expansion valve
- heat
- air conditioner
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
Heat pump air conditioner unit, is related to air-conditioning technical field, and its structure includes being in series with the first electric expansion valve in the First Heat Exchanger and the second heat exchanger being arranged in parallel, First Heat Exchanger, and the second heat exchanger is in series with the second electric expansion valve.During heating, the conversion loaded according to indoor heat exchanger, the refrigerant flow of two heat exchangers can be flowed through by two electric expansion valve regulation and control in time, and then load sharing can be balanced, improve the Energy Efficiency Ratio of unit, it is respectively at particularly with two heat exchangers under different operating modes, for the heat exchanger under favourable operating mode, the open degree of the electric expansion valve of series connection with it increases so that more refrigerants flow into the heat exchanger, and then increase the exchange capability of heat of the heat exchanger, and for the heat exchanger under unfavorable operating mode, the open degree of its corresponding electric expansion valve reduces, and then weaken the exchange capability of heat of the heat exchanger, the exchange capability of heat of whole unit can not only so be ensured, and reduce energy consumption, improve the heat exchange property of whole unit.
Description
Technical field
The present invention relates to air-conditioning technical field, and in particular to a kind of heat pump air conditioner unit using double heat exchanger.
Background technology
Heat pump air conditioner unit is a circulatory system being made up of devices such as compressor, outdoor unit, indoor sets.Refrigerant is being pressed
In source pump internal circulation flow in the presence of contracting machine, and then the function of cooling in summer or winter heating can be realized, thus heat
Pump air-conditioner set is widely used in a variety of places such as house, commercial building, to improve the comfort level of environment temperature.
Existing heat pump air conditioner unit is typically provided only with a heat exchanger in outdoor unit, single when loading smaller indoors
Individual outdoor heat exchanger meets the needs of refrigerating capacity or heating capacity enough, but when indoor load increases suddenly, is changed outside single chamber
Hot device will can not meet the needs of refrigerating capacity or heating capacity, and not only the refrigeration of unit, heating effect are poor, and Energy Efficiency Ratio is low, and make
Outdoor heat exchanger and compressor are in overload operation, it is easy to damage outdoor heat exchanger and compressor, reduce their use
In the life-span, in addition, when outdoor environment temperature changes, such as when outdoor environment becomes unfavorable, outdoor heat exchanger only increases refrigerant
Flow and ensure refrigeration or heating effect, and then the operating power of compressor need to be increased, so as to increase the energy of heat pump air conditioner unit
Consumption, as outdoor heat exchanger cold medium flux keep it is constant or reduce, its heat exchange property will be caused very poor, have a strong impact on refrigeration or system
Thermal effect.
The content of the invention
It is an object of the invention to for deficiency of the prior art, and provide that a kind of heat exchange property is good, the heat pump of energy-conservation
Air-conditioner set.
The purpose of the present invention is achieved through the following technical solutions：
A kind of heat pump air conditioner unit, including compressor, four-way valve, outdoor heat exchanger and indoor heat exchanger, the compressor are provided
High-pressure exhaust connect the first port of the four-way valve, the 3rd port and outdoor heat exchanger, the interior of the four-way valve are changed
Hot device, the 4th port of four-way valve are sequentially connected, and the second port of the four-way valve connects the low pressure air suction mouth of the compressor,
The outdoor heat exchanger is included in the First Heat Exchanger and the second heat exchanger being arranged in parallel, the First Heat Exchanger and the interior
The first electric expansion valve is provided between heat exchanger, it is swollen that the second electronics is provided between second heat exchanger and the indoor heat exchanger
Swollen valve.
Wherein, first electric expansion valve is in parallel is provided with prevent refrigerant return to the First Heat Exchanger first unidirectional
Valve.
Wherein, second electric expansion valve is in parallel is provided with prevent refrigerant return to second heat exchanger second unidirectional
Valve.
Wherein, it is provided between first electric expansion valve and the First Heat Exchanger and is used to distribute the first of cold medium flux
Dispenser assembly.
Wherein, it is provided between second electric expansion valve and second heat exchanger and is used to distribute the second of cold medium flux
Dispenser assembly.
Wherein, the first antifrost heat exchanger is provided between first electric expansion valve and the indoor heat exchanger, it is described
The second antifrost heat exchanger is provided between second electric expansion valve and the indoor heat exchanger.
Wherein, supercooling device assembly is provided between the outdoor heat exchanger and indoor heat exchanger.
Wherein, gas-liquid separator is provided between the second port of the four-way valve and the low pressure air suction mouth of the compressor.
Wherein, oil eliminator is provided between the first port of the high-pressure exhaust of the compressor and the four-way valve.
Wherein, the compressor is frequency-changeable compressor.
Beneficial effects of the present invention：
The heat pump air conditioner unit of the present invention, its structure are included in the First Heat Exchanger and the second heat exchanger that are arranged in parallel, and first
Heat exchanger is in series with the first electric expansion valve, and the second heat exchanger is in series with the second electric expansion valve.During heating, according to indoor heat exchange
The conversion of device load, the refrigerant flow of two heat exchangers can be flowed through by the regulation and control of two electric expansion valves in time, and then can balanced
The load of unit is shared, the Energy Efficiency Ratio of heat pump air conditioner unit is improved, is respectively at for two heat exchangers under different operating modes, is located
Heat exchanger under favourable operating mode, the open degree of its corresponding electric expansion valve increase so that bigger refrigerant flows into the heat exchange
Device, and then increase the exchange capability of heat of the heat exchanger, and for the heat exchanger under unfavorable operating mode, its corresponding electronic expansion
The open degree of valve reduces, and then weakens the exchange capability of heat of the heat exchanger, can not only so ensure whole heat pump air conditioner unit
Exchange capability of heat, and reduce energy consumption, improve the heat exchange property of whole heat pump air conditioner unit.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not form any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings
Other accompanying drawings.
Fig. 1 is the structural representation of the heat pump air conditioner unit of the present invention.
Include in Fig. 1：
1- frequency-changeable compressors；
2- four-way valves；
3- outdoor heat exchangers, 30- First Heat Exchangers, the heat exchangers of 31- second, the electric expansion valves of 32- first, the electronics of 33- second are swollen
Swollen valve, the first antifrosts of 34- heat exchanger, the second antifrosts of 35- heat exchanger, the dispenser assemblies of 36- first, the distributors of 37- second
Component, the check valves of 38- first, the check valves of 39- second；
Device assembly is subcooled in 4-；
5- indoor heat exchangers；
6- gas-liquid separators；
7- oil eliminators.
Embodiment
The invention will be further described with the following Examples.
The embodiment of a kind of heat pump air conditioner unit of the present invention, as shown in figure 1, including frequency-changeable compressor 1, four-way
Valve 2, outdoor heat exchanger 3, supercooling device assembly 4, indoor heat exchanger 5, gas-liquid separator 6 and oil eliminator 7.
The high-pressure exhaust of frequency-changeable compressor 1 connects the first port of four-way valve 2 by oil eliminator 7（A）, four-way valve 2
The 3rd port（C）With outdoor heat exchanger 3, supercooling device assembly 4, indoor heat exchanger 5, four-way valve 2 the 4th port（D）Connect successively
Connect, the second port of four-way valve 2（B）The low pressure air suction mouth of frequency-changeable compressor 1 is connected by gas-liquid separator 6.Outdoor heat exchanger 3
Including in the heat exchanger 31 of First Heat Exchanger 30 and second being arranged in parallel, being provided between First Heat Exchanger 30 and indoor heat exchanger 5
First electric expansion valve 32, the second electric expansion valve 33, and the first electronics are provided between the second heat exchanger 31 and indoor heat exchanger 5
Expansion valve 32 is in be arranged in parallel with the second electric expansion valve 33.
When heat pump air conditioner unit heats, supercooling device assembly 4 is not turned on, and the cold media gas of HTHP is through frequency-changeable compressor 1
High-pressure exhaust discharge, and pass through oil eliminator 7 enter four-way valve 2 first port（A）, oil eliminator 7 is by cold media gas
The partial freeze oil of carrying is separated and the oil exit pipe through oil eliminator 7 is back in frequency-changeable compressor 1, then cold media gas
The 4th port through four-way valve 2（D）Flow into indoor heat exchanger 5 and carry out the cooling medium liquid that heat exchange is condensed into medium temperature high pressure with it
Body, while heat release raises indoor temperature, throttling decrease temperature and pressure of the subsequent refrigerant liquid through two outdoor heat exchange routes in parallel
With the 3rd port for entering four-way valve 2 after heat exchange（C）, the second port of the refrigerant liquid of last low-temp low-pressure from four-way valve 2（B）
The low pressure air suction mouth of frequency-changeable compressor 1 is back to through gas-liquid separator 6, completes a heating circulation.Two of which room in parallel
Outer heat exchange route, a heat exchange route is the first electric expansion valve 32 and the First Heat Exchanger 30 of series connection with it, and another exchanges heat
Route is the first electric expansion valve 32 and the First Heat Exchanger 30 of series connection with it, and the refrigerant of medium temperature high pressure passes through two electric expansion valves
Decrease temperature and pressure after flow into above-mentioned two heat exchanger proceed by heat exchange type into the refrigerant liquid of low-temp low-pressure.
In the present embodiment, according to indoor heat exchanger 5 load conversion, can in time by regulate and control two electric expansion valves 32,
The refrigerant flow of two heat exchangers 30,31 is flowed through in 33 open degree and then regulation and control, so as to balance the load for sharing unit, carries
The Energy Efficiency Ratio of high heat pump air-conditioner set, it is in particularly with two heat exchangers 30,31 under different working conditions, in having
Heat exchanger under sharp operating mode, the open degree of its corresponding electric expansion valve, which increases, causes bigger refrigerant to flow into the heat exchanger, enters
And increase the exchange capability of heat of the heat exchanger, and for the heat exchanger under unfavorable operating mode, its corresponding electric expansion valve
Open degree reduces, and then weakens the exchange capability of heat of the heat exchanger, can not only so ensure the heat exchange of whole heat pump air conditioner unit
Ability, and reduce energy consumption, improve the heat exchange property of whole heat pump air conditioner unit.
The first antifrost heat exchanger 34, and the first antifrost are provided between first electric expansion valve 32 and supercooling device assembly 4
Heat exchanger 34 is located at the lower section of First Heat Exchanger 30, and the second anti-caking is provided between the second electric expansion valve 33 and supercooling device assembly 4
White heat exchanger 35, and the second antifrost heat exchanger 35 is located at the lower section of the second heat exchanger 31.During heating, antifrost heat exchanger 34,
35 pairs of refrigerants carried out cold treatment and then discharged certain heat, and these heats can prevent the condensation water condensation of heat exchanger, enter
And it can effectively prevent the frosting of outdoor heat exchanger 3.
The the first distributor group for being used for distributing cold medium flux is provided between first electric expansion valve 32 and First Heat Exchanger 30
Part 36, the second dispenser assembly for being used for distributing cold medium flux is provided between the second electric expansion valve 33 and the second heat exchanger 31
37, the first dispenser assembly 36 and the second dispenser assembly 37 include distributor and capillary.
In the present embodiment, in parallel be provided with of the first electric expansion valve 32 prevents refrigerant return to the first list of First Heat Exchanger 30
To valve 38, in parallel be provided with of the second electric expansion valve 33 prevents refrigerant return to the second check valve 39 of the second heat exchanger 31.
When heat pump air conditioner unit freezes, the first electric expansion valve 32 is turned off with the second electric expansion valve 33, and refrigerant is through the
First antifrost heat exchanger 34 is flowed into by the first check valve 38 after the heat exchange of one heat exchanger 30, refrigerant exchanges heat through the second heat exchanger 31
The second antifrost heat exchanger 35 is flowed into by the second check valve 39 afterwards, 34,35 pairs of refrigerants flowed through of antifrost heat exchanger carry out one
Level crosses cold treatment, and then the refrigerant of one-level supercooling is pooled to supercooling device assembly 4, and cooler component is carried out at two level supercooling to refrigerant
Reason and decrease temperature and pressure are handled, and then two-stage crosses the refrigerant after cold treatment and reaches indoor heat exchanger 5.The present embodiment carries out two to refrigerant
Level crosses cold treatment, greatly improves the heat exchange property of refrigerant.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (10)
1. heat pump air conditioner unit, including compressor, four-way valve, outdoor heat exchanger and indoor heat exchanger, the high pressure of the compressor
Exhaust outlet connects the first port of the four-way valve, the 3rd port and outdoor heat exchanger, indoor heat exchanger, four of the four-way valve
4th port of port valve is sequentially connected, and the second port of the four-way valve connects the low pressure air suction mouth of the compressor, its feature
It is：The outdoor heat exchanger is included in the First Heat Exchanger and the second heat exchanger being arranged in parallel, the First Heat Exchanger and institute
State and be provided with the first electric expansion valve between indoor heat exchanger, second is provided between second heat exchanger and the indoor heat exchanger
Electric expansion valve.
2. heat pump air conditioner unit according to claim 1, it is characterised in that：In parallel be provided with of first electric expansion valve is prevented
Only refrigerant return to the First Heat Exchanger the first check valve.
3. heat pump air conditioner unit according to claim 1, it is characterised in that：In parallel be provided with of second electric expansion valve is prevented
Only refrigerant return to second heat exchanger the second check valve.
4. heat pump air conditioner unit according to claim 1, it is characterised in that：First electric expansion valve and described first
The first dispenser assembly for being used for distributing cold medium flux is provided between heat exchanger.
5. heat pump air conditioner unit according to claim 1, it is characterised in that：Second electric expansion valve and described second
The second dispenser assembly for being used for distributing cold medium flux is provided between heat exchanger.
6. heat pump air conditioner unit according to claim 1, it is characterised in that：First electric expansion valve and the interior
The first antifrost heat exchanger is provided between heat exchanger, second is provided between second electric expansion valve and the indoor heat exchanger
Antifrost heat exchanger.
7. heat pump air conditioner unit according to claim 1, it is characterised in that：The outdoor heat exchanger and indoor heat exchanger it
Between be provided with supercooling device assembly.
8. heat pump air conditioner unit according to claim 1, it is characterised in that：The second port of the four-way valve and the pressure
Gas-liquid separator is provided between the low pressure air suction mouth of contracting machine.
9. heat pump air conditioner unit according to claim 1, it is characterised in that：The high-pressure exhaust of the compressor with it is described
Oil eliminator is provided between the first port of four-way valve.
10. heat pump air conditioner unit according to claim 1, it is characterised in that：The compressor is frequency-changeable compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711144901.8A CN107631515A (en) | 2017-11-17 | 2017-11-17 | Heat pump air conditioner unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711144901.8A CN107631515A (en) | 2017-11-17 | 2017-11-17 | Heat pump air conditioner unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107631515A true CN107631515A (en) | 2018-01-26 |
Family
ID=61108685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711144901.8A Pending CN107631515A (en) | 2017-11-17 | 2017-11-17 | Heat pump air conditioner unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107631515A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855281A (en) * | 2018-12-12 | 2019-06-07 | 青岛海信日立空调系统有限公司 | Air-conditioning heat transfer device and air conditioner |
-
2017
- 2017-11-17 CN CN201711144901.8A patent/CN107631515A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855281A (en) * | 2018-12-12 | 2019-06-07 | 青岛海信日立空调系统有限公司 | Air-conditioning heat transfer device and air conditioner |
| CN109855281B (en) * | 2018-12-12 | 2021-05-28 | 青岛海信日立空调系统有限公司 | Air conditioner heat exchange device and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180126 |
|
| WD01 | Invention patent application deemed withdrawn after publication |