CN110108059A - A kind of low-temperature enthalpy-increasing heat pump system - Google Patents
A kind of low-temperature enthalpy-increasing heat pump system Download PDFInfo
- Publication number
- CN110108059A CN110108059A CN201910394501.5A CN201910394501A CN110108059A CN 110108059 A CN110108059 A CN 110108059A CN 201910394501 A CN201910394501 A CN 201910394501A CN 110108059 A CN110108059 A CN 110108059A
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- China
- Prior art keywords
- low
- compressor
- gas
- increasing
- heat exchanger
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- 239000007788 liquid Substances 0.000 claims abstract description 53
- 238000007701 flash-distillation Methods 0.000 claims abstract description 26
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Central Heating Systems (AREA)
Abstract
The invention discloses a kind of low-temperature enthalpy-increasing heat pump system, including a main structure body, the main structure body includes low-temperature enthalpy-increasing compressor, four-way valve, First Heat Exchanger, the first expansion valve, the second heat exchanger, the second expansion valve, the filling of flash distillation liquid storage, gas-liquid separator；The low-temperature enthalpy-increasing compressor fills circuit with the four-way valve, First Heat Exchanger, the first expansion valve and flash distillation liquid storage and connect；The low-temperature enthalpy-increasing compressor fills circuit with gas-liquid separator, the second heat exchanger, the second expansion valve and flash distillation liquid storage and connect；The First Heat Exchanger and second heat exchanger side are respectively equipped with the first blower and the second blower；A kind of low-temperature enthalpy-increasing heat pump system of the present invention, unit pressure is precisely acquired by using pressure sensor, the effect of aperture by adjusting the first expansion valve and the second expansion valve carries out increasing enthalpy compression refrigeration cycle, unit is greatly improved with efficiency, and unit heating is more stable, it is not affected by environment.
Description
Technical field
The present invention relates to technical field of air-conditioning heat pumps, specially a kind of low-temperature enthalpy-increasing heat pump system.
Background technique
Air heat pump is widely used as a kind of energy saver, heat pump system summer can provide refrigeration, winter can be with
Heating is provided, it is easy to operate without installing cooling tower, using extensive.
Existing plain edition heat pump system, in the area that Xia Redong is cold, since winter outdoor temperature is lower, refrigerant is through being subcooled
After condenser heat exchange, evaporator is directly flowed back to by throttle part.In this way with the promotion of condenser temperature, unit performance gradually drops
It is low.Lead to the fortune of compressor when environment of the unit in more low temperature, due to coolant quantity because flowing back to compressor is insufficient, pressure ratio is excessive
It is abnormal, heating effect can not be met, heating effect is poor, efficiency is low.
Summary of the invention
The object of the invention is that providing a kind of low-temperature enthalpy-increasing heat pump system to solve the above-mentioned problems.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of low-temperature enthalpy-increasing heat pump system, which is characterized in that
Including a main structure body, the main structure body includes low-temperature enthalpy-increasing compressor, four-way valve, First Heat Exchanger, the first expansion valve,
Two heat exchangers, the second expansion valve, the filling of flash distillation liquid storage, gas-liquid separator；
The low-temperature enthalpy-increasing compressor fills circuit with the four-way valve, First Heat Exchanger, the first expansion valve and flash distillation liquid storage and connect；
The low-temperature enthalpy-increasing compressor fills circuit with gas-liquid separator, the second heat exchanger, the second expansion valve and flash distillation liquid storage and connect；
The First Heat Exchanger and second heat exchanger side are respectively equipped with the first blower and the second blower.
Preferably, the four-way valve is equipped with the first oil inlet, the second oil inlet, the first oil outlet and the second oil outlet；Institute
Low-temperature enthalpy-increasing compressor is stated equipped with compressor gas supplementing opening, exhaust outlet of compressor and compressor return air mouth；The gas-liquid separator is set
There are entrance and outlet；The flash distillation liquid storage, which fills, is equipped with flash distillation liquid storage filling gas returning port；
First oil outlet is connect with the First Heat Exchanger；Second oil inlet is connect with second heat exchanger.
Preferably, first oil inlet is connected to first oil outlet.
Preferably, second oil inlet is connected to second oil outlet.
Preferably, the exhaust outlet of compressor is connect with first oil inlet, the exhaust outlet of compressor and described the
High-pressure pressure sensor and high-voltage switch gear are equipped between one oil inlet.
Preferably, second oil outlet is connect with the entrance, is equipped between second oil outlet and the entrance
Low tension switch and low-pressure sensor.
Preferably, the compressor return air mouth and the gas-liquid separator export.
Preferably, the flash distillation liquid storage fills gas returning port and connect with the compressor gas supplementing opening.
The beneficial effects of the present invention are: a kind of low-temperature enthalpy-increasing heat pump system of the present invention, accurate by using pressure sensor
Unit pressure is acquired, the aperture by adjusting the first expansion valve and the second expansion valve carries out increasing enthalpy and compresses refrigeration cycle, unit
Effect is greatly improved with efficiency, and unit heating is more stable, not affected by environment.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is four-way valve structural schematic diagram of the present invention；
Fig. 3 is structure of gas liquid separator schematic diagram of the present invention；
In figure: 1, low-temperature enthalpy-increasing compressor；2, compressor gas supplementing opening；3, exhaust outlet of compressor；4, compressor return air mouth；5, high pressure
Pressure sensor；6, high-voltage switch gear；7, low tension switch；8, low-pressure sensor；9, four-way valve；10, the second blower；11,
Two heat exchangers；12, the first blower；13, First Heat Exchanger；14, the first expansion valve；15, flash distillation liquid storage fills；16, flash distillation liquid storage fills
Gas returning port；17, the second expansion valve；18, gas-liquid separator；19, the first oil inlet；20, the first oil outlet；21, the second oil outlet；
22, the second oil inlet；23, gas-liquid separator entrance；24, gas-liquid separator exports.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, Figure 2 and shown in Fig. 3, a kind of low-temperature enthalpy-increasing heat pump system, which is characterized in that including a main structure body, institute
State main structure body include low-temperature enthalpy-increasing compressor 1, four-way valve 9, First Heat Exchanger 13, the first expansion valve 14, the second heat exchanger 11,
Second expansion valve 17, flash distillation liquid storage fill 15, gas-liquid separator 18；The low-temperature enthalpy-increasing compressor 1 and the four-way valve 9, first
Heat exchanger 13, the first expansion valve 14 and flash distillation liquid storage fill the connection of 15 circuits；The low-temperature enthalpy-increasing compressor 1 and gas-liquid separator
18, the second heat exchanger 11, the second expansion valve 17 and flash distillation liquid storage fill the connection of 15 circuits；The First Heat Exchanger 13 and described second
11 side of heat exchanger is respectively equipped with the first blower 12 and the second blower 10.
In addition, the four-way valve 9 is fuel-displaced equipped with the first oil inlet 19, the second oil inlet 22, the first oil outlet 20 and second
Mouth 21；The low-temperature enthalpy-increasing compressor 1 is equipped with compressor gas supplementing opening 2, exhaust outlet of compressor 3 and compressor return air mouth 4；The gas
Liquid/gas separator 18 is equipped with gas-liquid separator entrance 23 and gas-liquid separator outlet 24；The flash distillation liquid storage fills 15 and is equipped with flash distillation liquid storage
Fill gas returning port 16；First oil inlet 19 is connected to first oil outlet 20；Second oil inlet 22 and described second
Oil outlet 21 is connected to；The exhaust outlet of compressor 3 is connect with first oil inlet 19, the exhaust outlet of compressor 3 with it is described
High-pressure pressure sensor 5 and high-voltage switch gear 6 are equipped between first oil inlet 19；Second oil outlet 21 and the gas-liquid separation
Device entrance 23 connects, and low tension switch 7 and low pressure pressure are equipped between second oil outlet 21 and the gas-liquid separator entrance 23
Force snesor 8；First oil outlet 20 connect 13 with the First Heat Exchanger；Second oil inlet 22 is changed with described second
Hot device connection 11；The compressor return air mouth 4 and gas-liquid separator outlet 24；The flash distillation liquid storage fills gas returning port 16 and institute
State the connection of compressor gas supplementing opening 2.
Working principle: a kind of low-temperature enthalpy-increasing heat pump system of the present invention, during the work time, low-temperature enthalpy-increasing machine 1 is by flowing to
The gaseous coolant that high temperature and pressure is discharged in exhaust outlet of compressor 3 passes through the first oil outlet into the first oil inlet 19 of four-way valve 9
20 outflows, flow to First Heat Exchanger 13, flow to the first expansion valve 14 after the cooling condensation of First Heat Exchanger 13, pass through the first expansion
The throttling of valve 14 enters flash distillation liquid storage and fills 15, fills in 15 and is shunted in flash distillation liquid storage, wherein filling gas returning port from flash distillation liquid storage all the way
16 outflows, flow back into compressor gas supplementing opening 2, return to low-temperature enthalpy-increasing compressor 1, another way flow to the second expansion valve 17 and saved
Stream, then passes to 11 evaporation endothermic of the second heat exchanger, then by entering the second oil inlet 22 of four-way valve 9, from four-way valve 9
The outflow of second oil outlet 21, approach gas-liquid separator 18 flow to compressor return air mouth 4, return to low-temperature enthalpy-increasing compressor 1.
For those skilled in the art, it is clear that invention is not limited to the details of the above exemplary embodiments, and not
In the case where spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter from
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended right
It is required that rather than above description limit, it is intended that all changes that will be fallen within the meaning and scope of the equivalent elements of the claims
Change is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of low-temperature enthalpy-increasing heat pump system, which is characterized in that including a main structure body, the main structure body includes low-temperature enthalpy-increasing
Compressor (1), four-way valve (9), First Heat Exchanger (13), the first expansion valve (14), the second heat exchanger (11), the second expansion valve
(17), flash distillation liquid storage fills (15), gas-liquid separator (18)；
The low-temperature enthalpy-increasing compressor (1) and the four-way valve (9), First Heat Exchanger (13), the first expansion valve (14) and flash distillation
Liquid storage fills the connection of (15) circuit；
The low-temperature enthalpy-increasing compressor (1) and gas-liquid separator (18), the second heat exchanger (11), the second expansion valve (17) and flash distillation
Liquid storage fills the connection of (15) circuit；
The First Heat Exchanger (13) and the second heat exchanger (11) side are respectively equipped with the first blower (12) and the second blower
(10)。
2. a kind of low-temperature enthalpy-increasing heat pump system according to claim 1, it is characterised in that: the four-way valve (9) is equipped with the
One oil inlet (19), the second oil inlet (22), the first oil outlet (20) and the second oil outlet (21)；The low-temperature enthalpy-increasing compressor
(1) compressor gas supplementing opening (2), exhaust outlet of compressor (3) and compressor return air mouth (4) are equipped with；The gas-liquid separator (18) sets
There are gas-liquid separator entrance (23) and gas-liquid separator outlet (24)；The flash distillation liquid storage fills (15) and is equipped with flash distillation liquid storage filling return-air
Mouth (16)；
First oil outlet (20) connect (13) with the First Heat Exchanger, and second oil inlet (22) is changed with described second
Hot device connects (11).
3. a kind of low-temperature enthalpy-increasing heat pump system according to claim 2, it is characterised in that: first oil inlet (19) with
First oil outlet (20) connection.
4. a kind of low-temperature enthalpy-increasing heat pump system according to claim 2, it is characterised in that: second oil inlet (22) with
Second oil outlet (21) connection.
5. a kind of low-temperature enthalpy-increasing heat pump system according to claim 2, it is characterised in that: the exhaust outlet of compressor (3)
It is connect with first oil inlet (19), high pressure is equipped between the exhaust outlet of compressor (3) and first oil inlet (19)
Pressure sensor (5) and high-voltage switch gear (6).
6. a kind of low-temperature enthalpy-increasing heat pump system according to claim 2, it is characterised in that: second oil outlet (21) with
Gas-liquid separator entrance (23) connection, is equipped between second oil outlet (21) and the gas-liquid separator entrance (23)
Low tension switch (7) and low-pressure sensor (8).
7. a kind of low-temperature enthalpy-increasing heat pump system according to claim 2, it is characterised in that: the compressor return air mouth (4)
(24) are exported with the gas-liquid separator.
8. a kind of low-temperature enthalpy-increasing heat pump system according to claim 2, it is characterised in that: the flash distillation liquid storage fills gas returning port
(16) it is connect with the compressor gas supplementing opening (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910394501.5A CN110108059A (en) | 2019-05-13 | 2019-05-13 | A kind of low-temperature enthalpy-increasing heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910394501.5A CN110108059A (en) | 2019-05-13 | 2019-05-13 | A kind of low-temperature enthalpy-increasing heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110108059A true CN110108059A (en) | 2019-08-09 |
Family
ID=67489764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910394501.5A Pending CN110108059A (en) | 2019-05-13 | 2019-05-13 | A kind of low-temperature enthalpy-increasing heat pump system |
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| Country | Link |
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| CN (1) | CN110108059A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629082A (en) * | 2021-01-08 | 2021-04-09 | 珠海格力电器股份有限公司 | Heating control system, multi-split air conditioning system and heating control method |
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| CN201297796Y (en) * | 2008-11-03 | 2009-08-26 | 珠海格力电器股份有限公司 | High-efficiency enhanced vapor injection type air conditioner |
| CN203572113U (en) * | 2013-10-31 | 2014-04-30 | 海尔集团公司 | Air conditioner and air supplementing and enthalpy adding system of air conditioner |
| CN204806742U (en) * | 2015-05-11 | 2015-11-25 | 浙江商业职业技术学院 | Jet -propelled enthalpy heat pump device that increases of two -stage throttle |
| CN105135738A (en) * | 2015-09-13 | 2015-12-09 | 华南理工大学 | Air-supplying enthalpy-adding heat pump air conditioning system capable of promoting heat exchange performance of heat exchangers |
| CN109186120A (en) * | 2018-08-30 | 2019-01-11 | 珠海格力电器股份有限公司 | Air-supplementing enthalpy-increasing heat pump system |
| CN210070285U (en) * | 2019-05-13 | 2020-02-14 | 广东炬邦热能设备有限公司 | Low-temperature enthalpy-increasing heat pump system |
-
2019
- 2019-05-13 CN CN201910394501.5A patent/CN110108059A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201297796Y (en) * | 2008-11-03 | 2009-08-26 | 珠海格力电器股份有限公司 | High-efficiency enhanced vapor injection type air conditioner |
| CN203572113U (en) * | 2013-10-31 | 2014-04-30 | 海尔集团公司 | Air conditioner and air supplementing and enthalpy adding system of air conditioner |
| CN204806742U (en) * | 2015-05-11 | 2015-11-25 | 浙江商业职业技术学院 | Jet -propelled enthalpy heat pump device that increases of two -stage throttle |
| CN105135738A (en) * | 2015-09-13 | 2015-12-09 | 华南理工大学 | Air-supplying enthalpy-adding heat pump air conditioning system capable of promoting heat exchange performance of heat exchangers |
| CN109186120A (en) * | 2018-08-30 | 2019-01-11 | 珠海格力电器股份有限公司 | Air-supplementing enthalpy-increasing heat pump system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112629082A (en) * | 2021-01-08 | 2021-04-09 | 珠海格力电器股份有限公司 | Heating control system, multi-split air conditioning system and heating control method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190809 |