CN109373645A - Gas-supplying enthalpy-increasing heat pump system, the vehicles, method with more mouthfuls of expansion valves of throttling - Google Patents
Gas-supplying enthalpy-increasing heat pump system, the vehicles, method with more mouthfuls of expansion valves of throttling Download PDFInfo
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- CN109373645A CN109373645A CN201811287836.9A CN201811287836A CN109373645A CN 109373645 A CN109373645 A CN 109373645A CN 201811287836 A CN201811287836 A CN 201811287836A CN 109373645 A CN109373645 A CN 109373645A
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- mouthfuls
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- 238000000034 method Methods 0.000 title claims abstract description 7
- 239000003507 refrigerant Substances 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 238000004378 air conditioning Methods 0.000 claims abstract description 8
- 230000001502 supplementing effect Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010020112 Hirsutism Diseases 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
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- 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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- 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
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
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- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
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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
Abstract
It include at least one refrigerant circuit the present invention provides heat pump system described in a kind of Gas-supplying enthalpy-increasing heat pump system with more mouthfuls of expansion valves of throttling, the vehicles, method, the refrigerant circuit includes compressor, interior condenser, vehicle external heat exchanger, interior evaporator, throttling more mouthfuls of expansion valve components, gas-liquid separator, the first solenoid valve, second solenoid valve, third solenoid valve, electric expansion valve, first check-valve, second check-valve.The car condenser and interior evaporator are placed in air-conditioning box, and the air-conditioning box is equipped with air blower for providing air-flow, and temperature damper is for changing airflow direction.Without using flash vessel or economizer the function of Gas-supplying enthalpy-increasing only can be realized, system structure is simple and cost is relatively low in the present invention by the more mouthfuls of expansion valves that throttle.
Description
Technical field
The present invention relates to electric vehicle heat pump systems, and in particular, to a kind of tonifying Qi increasing with more mouthfuls of expansion valves of throttling
Enthalpy heat pump system.More particularly, to a kind of Gas-supplying enthalpy-increasing heat with two-stage three mouthfuls of electric expansion valves of throttling suitable for electric vehicle
Pumping system.
Background technique
More and more attention has been paid to face the high problem of winter heating power consumption, heat pump system is due to energy-efficient to electric car
It is widely studied, but there is also cold-starting and the problems of heating performance deficiency for heat pump system.Solution first is that logical
Cross the heating capacity that Gas-supplying enthalpy-increasing improves heat pump system.Patent document CN106016811B discloses a kind of electronic vapour with economizer
The first four-way reversing valve and the second four-way reversing valve is respectively set as refrigerant stream in vehicle air conditioner heat pump system in the system
Road switches valve group；Compressor uses the totally enclosed type vehicle electric air-conditioner compressor equipped with gas supplementing opening；It is arranged in parallel indoor heat exchange
Device and defrosting heat exchanger, one end of parallel line are connected with the first port of first four-way reversing valve, parallel line
The other end be connected with the first port of second four-way reversing valve；Other three ports of first four-way reversing valve point
Not Lian Jie the outlet of oil eliminator, the import of gas-liquid separator and outdoor heat exchanger first port, the oil eliminator
Entrance is connected with the exhaust outlet of compressor, and the outlet of the gas-liquid separator is connected with the air entry of compressor；Described 2nd 4
Other three ports of logical reversal valve respectively with the second port of outdoor heat exchanger, device for drying and filtering and main electric expansion valve phase
Even；Major loop and subsidiary loop are respectively arranged in the outlet end side of the device for drying and filtering.
But it needs complicated flash vessel cooperation electric expansion valve or cooperates electric expansion valve to realize by economizer, heat pump
System structure complexity and higher cost.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of tonifying Qi increasings with more mouthfuls of expansion valves of throttling
Enthalpy heat pump system and the vehicles and method.
A kind of Gas-supplying enthalpy-increasing heat pump system with more mouthfuls of expansion valves of throttling provided according to the present invention, including refrigerant return
Road；
The refrigerant circuit is swollen comprising compressor, interior condenser, vehicle external heat exchanger, interior evaporator, more mouthfuls of throttling
Swollen valve module, gas-liquid separator, the first solenoid valve, second solenoid valve, third solenoid valve, electric expansion valve, first check-valve,
Two check-valves；
The outlet of compressor connects the entrance of interior condenser；The outlet of interior condenser connects interior through vehicle external heat exchanger
The entrance of evaporator；Entrance of the outlet of interior evaporator through gas-liquid separator connect compressor；
More mouthfuls of expansion valve components of the throttling include valve body；Valve inlet, the first valve outlet, second are provided on the valve body
Valve outlet, intermediate pressure cavity；The delivery outlet of the valve inlet connects intermediate pressure cavity by capillary throttle pipe；In intermediate pressure cavity
First position connect the first valve outlet, the second position in intermediate pressure cavity connects the second valve outlet, wherein first position is low
In the second position；Throttle orifice is provided at first position；
First solenoid valve connects in the outlet of condenser and the pipeline of valve inlet in the car；
Second solenoid valve connects on the pipeline of the outlet of condenser in the car and vehicle external heat exchanger entrance；
Third solenoid valve connects on the pipeline of the outlet of evaporator in the car and vehicle external heat exchanger entrance；
Electric expansion valve is connected on the pipeline of the outlet of vehicle external heat exchanger and interior evaporator inlet；
First check-valve is connected on the first valve outlet and the pipeline of vehicle external heat exchanger outlet；
Second check-valve is connected on the pipeline of the gas supplementing opening of the second valve outlet and compressor.
Preferably, including air-conditioning box；
The air-conditioning box is equipped with air blower, temperature damper；
The vehicle external heat exchanger is equipped with cooling fan.
Preferably, compressor is Gas-supplying enthalpy-increasing screw compressor.
The use of the above-mentioned Gas-supplying enthalpy-increasing heat pump system with more mouthfuls of expansion valves of throttling of the one kind provided according to the present invention
Method, which is characterized in that including any one following step:
Refrigeration mode uses step: enabling the first solenoid valve, third solenoid valve close, second solenoid valve, electric expansion valve are opened
It opens, adjusting temperature damper makes air-flow without interior condenser；
Gas-supplying enthalpy-increasing heating mode uses step: enabling the first solenoid valve, third solenoid valve open, second solenoid valve, electronics
Expansion valve is closed, and adjusting temperature damper makes air-flow by interior condenser.
A kind of vehicles provided according to the present invention, including the above-mentioned Gas-supplying enthalpy-increasing heat with more mouthfuls of expansion valves of throttling
Pumping system.
Preferably, the vehicles are automobile.
Especially:
Preferably, the valve body has a flow control device, the flow control device include drive rod, transmission loop bar,
Valve rod；
One end of the drive rod is connect with one end of transmission loop bar, the other end of the transmission loop bar and one end of valve rod
Connection, the other end of the valve rod extend into throttle orifice；
Under the drive of drive rod, valve rod can move in throttle orifice, to change the gap between valve rod and throttle orifice
Size.
Preferably, flow control device includes motor, drive rod described in motor driven.
Preferably, the valve inner is provided with gasket seal；
The gasket seal is tightly connected the valve rod of valve body and flow control device.
Preferably, the valve inner is provided with dried strainer；The dried strainer is set in the second valve outlet
Side forms intermediate pressure cavity between the dried strainer and throttle orifice.
Preferably, the input port of the valve inlet is the connector of condensator outlet；The delivery outlet of first valve outlet is to steam
Send out the connector of device import；The delivery outlet of second valve outlet is the connector of Gas-supplying enthalpy-increasing compressor gas supplementing opening.
Preferably, the dried strainer is only capable of through refrigerant gas, refrigerant liquid is blocked to form drop after fall
Into intermediate pressure cavity.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, the present invention reduces the use of flash vessel and economizer, only leads in electric car Gas-supplying enthalpy-increasing heat pump system
It crosses an integrated type electrical expansion valve and has haved the function that throttling and gas-liquid separation；Component occupies little space, system structure letter
Single, cost is relatively low.
2, for the present invention without using flash vessel or economizer, only throttling three mouthfuls of electric expansion valves by a two-stage can be real
The function of existing Gas-supplying enthalpy-increasing.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the Gas-supplying enthalpy-increasing heat pump system structural schematic diagram with more mouthfuls of expansion valves of throttling of the invention.
Fig. 2 is the structural schematic diagram of more mouthfuls of expansion valve components of throttling of the invention.
Fig. 3 is cooling mode operating condition schematic diagram.
Fig. 4 is Gas-supplying enthalpy-increasing heating mode working state schematic representation.
It is shown in figure:
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
A kind of vehicles provided according to the present invention, including the Gas-supplying enthalpy-increasing heat pump system with more mouthfuls of expansion valves of throttling
System.Gas-supplying enthalpy-increasing heat pump system according to Fig. 1 with more mouthfuls of expansion valves of throttling, the heat pump system include at least one system
Refrigerant circuit, the refrigerant circuit are more comprising compressor 1, interior condenser 2, vehicle external heat exchanger 3, interior evaporator 4, throttling
Mouthful expansion valve component 5, gas-liquid separator 6, the first solenoid valve 7, second solenoid valve 8, third solenoid valve 9, electric expansion valve 10, the
One check-valves 11, second check-valve 12.
The outlet of compressor 1 connects the entrance of interior condenser 2；The outlet of interior condenser 2 is connected through vehicle external heat exchanger 3
The entrance of interior evaporator 4；Entrance of the outlet of interior evaporator 4 through 6 connect compressor 1 of gas-liquid separator；
Described more mouthfuls of expansion valve components 5 of throttling include valve body；Valve inlet 17, the first valve outlet are provided on the valve body
18, the second valve outlet 19, intermediate pressure cavity 26；The delivery outlet of the valve inlet 17 connects intermediate pressure by capillary throttle pipe 20
Chamber 26；First position in intermediate pressure cavity 26 connects the first valve outlet 18, the second position connection in intermediate pressure cavity 26 the
Two valve outlets 19, wherein first position is lower than the second position；Throttle orifice 21 is provided at first position；
First solenoid valve 7 connects on the pipeline of the outlet of condenser 2 in the car and valve inlet 17；Second solenoid valve 8 connects
On the pipeline of the outlet of condenser 2 in the car and 3 entrance of vehicle external heat exchanger；Third solenoid valve 9 connection in the car evaporator 4 go out
Mouthful on the pipeline of 3 entrance of vehicle external heat exchanger；Electric expansion valve 10 is connected to the outlet of vehicle external heat exchanger 3 and enters with interior evaporator 4
On the pipeline of mouth；First check-valve 11 is connected on the pipeline that the first valve outlet 18 is exported with vehicle external heat exchanger 3；Second check-valve
12 are connected on the pipeline of the gas supplementing opening of the second valve outlet 19 and compressor 1.Preferably, described with the more mouthfuls of expansion valves that throttle
Gas-supplying enthalpy-increasing heat pump system includes air-conditioning box 13；The air-conditioning box 13 is equipped with air blower 15, temperature damper 16；It exchanges heat outside the vehicle
Device 3 is equipped with cooling fan 14.Compressor 1 is Gas-supplying enthalpy-increasing screw compressor.
More mouthfuls of expansion valve components of throttling according to Fig.2, including valve body are provided with valve inlet 17 and on the valve body
One valve outlet 18 and the second valve outlet 19, hairiness details flow tube 20 after the valve inlet 17, the valve inlet 17 are condensed with interior
Device outlet is connected, and the first valve outlet 18 is connected with evaporator, the second valve outlet 19 and Gas-supplying enthalpy-increasing compressor gas supplementing opening phase
Even.The input port of valve inlet 17 connects condensator outlet；The delivery outlet of first valve outlet 18 connects evaporator；Second valve goes out
The delivery outlet of mouth 19 connects Gas-supplying enthalpy-increasing compressor gas supplementing opening.
The refrigerant liquid of interior condensator outlet enters valve inlet 17, first passes around capillary throttle pipe 20 and carries out for the first time
Throttling, the biphase gas and liquid flow formed after throttling enters intermediate pressure cavity 26, and due to gravity fractionation, refrigerant liquid enters section
Discharge orifice 21 carries out second and throttles, and the biphase gas and liquid flow after second of throttling enters evaporator, and refrigerant gas is by dried
Strainer 22, unsegregated refrigerant liquid form drop through the obstruction of dried strainer 22 and return to intermediate pressure cavity 26, dry system
Refrigerant gas enters compressor gas supplementing opening through the second valve outlet 19 and completes Gas-supplying enthalpy-increasing.In Fig. 2, the lead office of appended drawing reference 21
Portion is overlapped with hatching, but the end meaning of the lead is denoted as throttle orifice.
More mouthfuls of expansion valve components of throttling of the invention, have flow control device, the drive rod that the regulating mechanism includes
23 can enter to drive by stepper motor, and drive rod 23 is by being driven loop bar 24 with ovable valve stem 25, by moving down on valve rod 25
The dynamic flow for changing refrigerant.Under the drive of drive rod 23, valve rod 25 can move in throttle orifice 21, to change valve rod 25
With the gap size between throttle orifice 21.Flow control device includes motor, drive rod 23 described in motor driven.In the valve body
Portion is provided with gasket seal 27；The gasket seal 27 is tightly connected the valve rod 25 of valve body and flow control device.The valve body
It is internally provided with dried strainer 22；The dried strainer 22 is set to 19 inside of the second valve outlet, the dried strainer
Intermediate pressure cavity 26 is formed between 22 and throttle orifice 21.The input port of the valve inlet 17 is the connector of condensator outlet；The
The delivery outlet of one valve outlet 18 is the connector of evaporator；The delivery outlet of second valve outlet 19 is Gas-supplying enthalpy-increasing compressor benefit
The connector of port.The dried strainer 22 is only capable of through refrigerant gas, refrigerant liquid is blocked to form drop after fall
Into intermediate pressure cavity 26.
Air blower 15 is for providing air-flow, and temperature damper 16 is for changing airflow direction.Cooling fan 14 is for providing gas
Stream, obtains better heat transfer effect, and cooling fan 14 is preferably electronic fan.3 export pipeline of vehicle external heat exchanger is equipped with temperature
Degree pressure sensor exports refrigerant superheat degree for detecting outdoor heat exchanger 3.The flow control device is according to outdoor heat exchange
The degree of superheat that device 3 exports refrigerant carries out the adjusting of refrigerant flow.
According to the cooling mode operating condition schematic diagram of Fig. 3, the first solenoid valve 7, the third electromagnetism of the refrigerant circuit
Valve 9 is closed, and second solenoid valve 8, electric expansion valve 10 are opened, and adjusting temperature damper 16 makes air-flow without interior condenser 2.Pressure
The high-temperature high-pressure refrigerant gas that contracting machine 1 is discharged is through interior condenser 2, and interior condenser 2 does not exchange heat at this time, interior condenser 2
The refrigerant gas of outlet enters vehicle external heat exchanger 3 through second solenoid valve 8, and vehicle external heat exchanger 3 is used as condenser to environment at this time
Heat extraction, the refrigerant that vehicle external heat exchanger 3 exports evaporation endothermic in evaporator 4 into the car after the throttling of electric expansion valve 10, vehicle
The refrigerant that interior evaporator 4 exports returns to the completion circulation of compressor 1 after entering gas-liquid separator 6.
According to the Gas-supplying enthalpy-increasing heating mode working state schematic representation of Fig. 4, the first solenoid valve 7 of the refrigerant circuit,
Third solenoid valve 9 is opened, and second solenoid valve 8, electric expansion valve 10 are closed, and adjusting temperature damper 16 makes air-flow by interior condensation
Device 2.The high-temperature high-pressure refrigerant gas that compressor 1 is discharged is exported through interior condenser 2 to interior heat extraction, interior condenser 2
Refrigerant liquid enters the valve inlet 17 of more mouthfuls of expansion valve components 5 of throttling through the first solenoid valve 7, and refrigerant liquid first passes around hair
Details flow tube 20 carries out first time throttling, and the biphase gas and liquid flow formed after throttling enters intermediate pressure cavity 26, due to Gravity Separation
Effect, refrigerant liquid enter throttle orifice 21 and carry out second of throttling, and the biphase gas and liquid flow after throttling for the second time, which enters outside vehicle, to be changed
Hot device 3, refrigerant flow export refrigerant superheat degree by outdoor heat exchanger 3 and adjust, and refrigerant gas passes through dried strainer 22,
Unsegregated refrigerant liquid forms drop through the obstruction of dried strainer 22 and returns to intermediate pressure cavity 26, dry refrigerant gas
Enter 1 gas supplementing opening of compressor through the second valve outlet 19 and completes Gas-supplying enthalpy-increasing.Vehicle external heat exchanger 3 absorbs heat as evaporator to environment,
The first valve outlet 18 that the refrigerant that vehicle external heat exchanger 3 exports enters the more mouthfuls of expansion valve components 5 that throttle through third solenoid valve 9 enters
Gas-liquid separator 6, the refrigerant that gas-liquid separator 6 comes out return to compressor 1 and complete circulation.
In the description of the present application, it is to be understood that term " on ", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, description the application is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (6)
1. a kind of Gas-supplying enthalpy-increasing heat pump system with more mouthfuls of expansion valves of throttling, which is characterized in that including refrigerant circuit；
The refrigerant circuit includes compressor (1), interior condenser (2), vehicle external heat exchanger (3), interior evaporator (4), section
Flow more mouthfuls of expansion valve components (5), gas-liquid separator (6), the first solenoid valve (7), second solenoid valve (8), third solenoid valve (9),
Electric expansion valve (10), first check-valve (11), second check-valve (12)；
The outlet of compressor (1) connects the entrance of interior condenser (2)；The outlet of interior condenser (2) is through vehicle external heat exchanger (3)
Connect the entrance of interior evaporator (4)；Outlet the entering through gas-liquid separator (6) connect compressor (1) of interior evaporator (4)
Mouthful；
More mouthfuls of expansion valve components (5) of the throttling include valve body；Valve inlet (17), the first valve outlet are provided on the valve body
(18), the second valve outlet (19), intermediate pressure cavity (26)；The delivery outlet of the valve inlet (17) is connected by capillary throttle pipe (20)
Connect intermediate pressure cavity (26)；First position in intermediate pressure cavity (26) connects the first valve outlet (18), intermediate pressure cavity (26)
In the second position connect the second valve outlet (19), wherein first position be lower than the second position；Throttling is provided at first position
Hole (21)；
First solenoid valve (7) connects on the pipeline of the outlet of condenser (2) in the car and valve inlet (17)；
Second solenoid valve (8) connects on the pipeline of the outlet of condenser (2) in the car and vehicle external heat exchanger (3) entrance；
Third solenoid valve (9) connects on the pipeline of the outlet of evaporator (4) in the car and vehicle external heat exchanger (3) entrance；
Electric expansion valve (10) is connected on the pipeline of vehicle external heat exchanger (3) outlet and interior evaporator (4) entrance；
First check-valve (11) is connected on the pipeline of the first valve outlet (18) and vehicle external heat exchanger (3) outlet；
Second check-valve (12) is connected on the pipeline of the gas supplementing opening of the second valve outlet (19) and compressor (1).
2. the Gas-supplying enthalpy-increasing heat pump system according to claim 1 with more mouthfuls of expansion valves of throttling, which is characterized in that including
Air-conditioning box (13)；
The air-conditioning box (13) is equipped with air blower (15), temperature damper (16)；
The vehicle external heat exchanger (3) is equipped with cooling fan (14).
3. the Gas-supplying enthalpy-increasing heat pump system according to claim 1 with more mouthfuls of expansion valves of throttling, which is characterized in that compression
Machine (1) is Gas-supplying enthalpy-increasing screw compressor.
4. having making for the Gas-supplying enthalpy-increasing heat pump system of more mouthfuls of expansion valves of throttling described in a kind of any one of claims 1 to 3
With method, which is characterized in that including any one following step:
Refrigeration mode uses step: enabling the first solenoid valve (7), third solenoid valve (9) close, second solenoid valve (8), electronic expansion
Valve (10) is opened, and adjusting temperature damper (16) makes air-flow without interior condenser (2)；
Gas-supplying enthalpy-increasing heating mode uses step: enable the first solenoid valve (7), third solenoid valve (9) open, second solenoid valve (8),
Electric expansion valve (10) is closed, and adjusting temperature damper (16) makes air-flow by interior condenser (2).
5. a kind of vehicles, which is characterized in that including being expanded described in any one of claims 1 to 3 with more mouthfuls of throttling
The Gas-supplying enthalpy-increasing heat pump system of valve.
6. the vehicles according to claim 5, which is characterized in that the vehicles are automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287836.9A CN109373645B (en) | 2018-10-31 | 2018-10-31 | Air-supplementing enthalpy-increasing heat pump system with throttling multi-port expansion valve, vehicle and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287836.9A CN109373645B (en) | 2018-10-31 | 2018-10-31 | Air-supplementing enthalpy-increasing heat pump system with throttling multi-port expansion valve, vehicle and method |
Publications (2)
| Publication Number | Publication Date |
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| CN109373645A true CN109373645A (en) | 2019-02-22 |
| CN109373645B CN109373645B (en) | 2020-12-01 |
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| CN201811287836.9A Active CN109373645B (en) | 2018-10-31 | 2018-10-31 | Air-supplementing enthalpy-increasing heat pump system with throttling multi-port expansion valve, vehicle and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405373A (en) * | 2018-10-31 | 2019-03-01 | 上海爱斯达克汽车空调系统有限公司 | Throttle more mouthfuls of expansion valve components and the vehicles |
| CN111023362A (en) * | 2019-12-16 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Refrigerant circulation system and air conditioner under heating mode |
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| US20070144206A1 (en) * | 2005-12-26 | 2007-06-28 | Sanden Corporation | Pressure reducer module with oil separator |
| CN103890504A (en) * | 2011-10-05 | 2014-06-25 | 株式会社电装 | Integration valve |
| CN105874288A (en) * | 2014-01-21 | 2016-08-17 | 株式会社电装 | Heat pump cycle apparatus |
| EP3018434A1 (en) * | 2014-11-06 | 2016-05-11 | TGK CO., Ltd. | Electromagnetic valve |
| CN107525313A (en) * | 2017-07-28 | 2017-12-29 | 广东美芝制冷设备有限公司 | Flash vessel and there is its air-conditioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109405373A (en) * | 2018-10-31 | 2019-03-01 | 上海爱斯达克汽车空调系统有限公司 | Throttle more mouthfuls of expansion valve components and the vehicles |
| CN109405373B (en) * | 2018-10-31 | 2023-12-19 | 上海爱斯达克汽车空调系统有限公司 | Throttle multi-port expansion valve assembly and vehicle |
| CN111023362A (en) * | 2019-12-16 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Refrigerant circulation system and air conditioner under heating mode |
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