CN109591545A - Gas-supplying enthalpy-increasing heat pump system, the vehicles, method with more mouthfuls of heating power expansion valves of throttling - Google Patents
Gas-supplying enthalpy-increasing heat pump system, the vehicles, method with more mouthfuls of heating power expansion valves of throttling Download PDFInfo
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- CN109591545A CN109591545A CN201811287834.XA CN201811287834A CN109591545A CN 109591545 A CN109591545 A CN 109591545A CN 201811287834 A CN201811287834 A CN 201811287834A CN 109591545 A CN109591545 A CN 109591545A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00899—Controlling the flow of liquid in a heat pump system
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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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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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
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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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention provides a kind of Gas-supplying enthalpy-increasing heat pump system, method, vehicles with more mouthfuls of heating power expansion valves of throttling, include compressor (1), interior condenser (2), vehicle external heat exchanger (3), interior evaporator (4), throttling more mouthfuls of expansion valve modules (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).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 a two-stage throttling heating power expansion valve.
Description
Technical field
The present invention relates to electric vehicle heat pump systems, and in particular, to the tonifying Qi with more mouthfuls of heating power expansion valves of throttling increases
Enthalpy heat pump system, the vehicles, method.
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 benefits with more mouthfuls of heating power expansion valves of throttling
Gas enthalpy increasing heat pump system, the vehicles, method.
A kind of Gas-supplying enthalpy-increasing heat pump system with more mouthfuls of heating power expansion valves of throttling provided according to the present invention, including refrigeration
Agent circuit；
The refrigerant circuit is more comprising compressor 1, interior condenser 2, vehicle external heat exchanger 3, interior evaporator 4, throttling
Mouth expansion valve module 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 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；
More mouthfuls of expansion valve modules of the throttling, including valve body；Valve inlet 17 is provided on the valve body, the first valve goes out
Mouth the 18, second valve outlet 23, intermediate pressure cavity 25, flow heating power regulating mechanism；
The delivery outlet of the valve inlet 17 connects intermediate pressure cavity 25 by capillary throttle pipe 19；
First position in intermediate pressure cavity 25 connects the first valve outlet 18, the second position connection in intermediate pressure cavity 25
Second valve outlet 23, wherein first position is lower than the second position；Throttle orifice 20 is provided at first position；
The flow heating power regulating mechanism includes temperature sensing package 998, transmission component, valve member；The connection transmission of temperature sensing package 998
Component, transmission component drive valve member, and valve member is matched with throttle orifice 20.
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 is connected on the pipeline that first interface 21 and vehicle external heat exchanger 3 export；
Electric expansion valve 10 is connected on the pipeline of 4 entrance of the outlet of vehicle external heat exchanger 3 and interior evaporator；
First check-valve 11 is connected on the pipeline of the first valve outlet 18 and 3 entrance of vehicle external heat exchanger；
Second check-valve 12 is connected on the pipeline of the gas supplementing opening of the second valve outlet 23 and compressor 1；
Second interface 22 connects the entrance of the outlet of interior evaporator 4, gas-liquid separator 6.
Preferably, 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.
Preferably, compressor 1 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, including any one following step:
Refrigeration mode uses step: enabling the first solenoid valve 7, third solenoid valve 9 close, second solenoid valve 8, electric expansion valve
10 open, and adjusting temperature damper 16 makes air-flow without interior condenser 2；
Gas-supplying enthalpy-increasing heating mode uses step: enabling the first solenoid valve 7, third solenoid valve 9 open, second solenoid valve 8, electricity
Sub- expansion valve 10 is closed, and adjusting temperature damper 16 makes air-flow by interior condenser 2.
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 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, transmission component includes drive block, drive rod；
Valve member includes ball valve, valve seat, spring, adjusts screw；
The temperature sensing package, drive block, drive rod are sequentially connected, and drive rod is contacted with ball valve, and the ball valve is linked to be with valve seat
One, valve seat are connect by spring with screw is adjusted, and are provided with throttle orifice before the ball valve；It adjusts screw and valve body screw thread connects
It connects.
Preferably, the valve inner is provided with dried strainer, and the dried strainer is set to below the second valve outlet,
Intermediate pressure cavity is formed between the dried strainer and throttle orifice.
Preferably, including gasket seal, the gasket seal are set to above the second valve outlet, and gasket seal is tightly connected valve
Body and transmission component.
Preferably, the dried strainer is only capable of through refrigerant gas, refrigerant liquid is blocked to form drop after fall
Into intermediate pressure cavity.
Preferably, valve body has first interface, second interface；
Transmission component passes through interconnected first interface and second interface and enters intermediate pressure cavity；
First interface and valve inlet are located at the same side of valve body；
Second interface and the first valve outlet are located at the same side of valve body.
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 form heating power 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 five mouthfuls of heating power 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 heating power expansion valves of throttling of the invention.
Fig. 2 is the structural schematic diagram of more mouthfuls of expansion valve modules 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 with more mouthfuls of heating power expansion valves of throttling
System.Gas-supplying enthalpy-increasing heat pump system according to Fig. 1 with more mouthfuls of heating power expansion valves of throttling, the heat pump system include at least
One refrigerant circuit, the refrigerant circuit include compressor 1, interior condenser 2, vehicle external heat exchanger 3, interior evaporator 4,
Throttle more mouthfuls of expansion valve components 5, gas-liquid separator 6, the first solenoid valve 7, second solenoid valve 8, third solenoid valve 9, electronic 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 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.
More mouthfuls of expansion valve modules of the throttling, including valve body；Valve inlet 17 is provided on the valve body, the first valve goes out
Mouth the 18, second valve outlet 23, intermediate pressure cavity 25, flow heating power regulating mechanism；
The delivery outlet of the valve inlet 17 connects intermediate pressure cavity 25 by capillary throttle pipe 19；
First position in intermediate pressure cavity 25 connects the first valve outlet 18, the second position connection in intermediate pressure cavity 25
Second valve outlet 23, wherein first position is lower than the second position；Throttle orifice 20 is provided at first position；
The flow heating power regulating mechanism includes temperature sensing package 998, transmission component, valve member；The connection transmission of temperature sensing package 998
Component, transmission component drive valve member, and valve member is matched with throttle orifice 20.
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 is connected on the pipeline that first interface 21 and vehicle external heat exchanger 3 export；
Electric expansion valve 10 is connected on the pipeline of 4 entrance of the outlet of vehicle external heat exchanger 3 and interior evaporator；
First check-valve 11 is connected on the pipeline of the first valve outlet 18 and 3 entrance of vehicle external heat exchanger；
Second check-valve 12 is connected on the pipeline of the gas supplementing opening of the second valve outlet 23 and compressor 1；
Second interface 22 connects the entrance of the outlet of interior evaporator 4, gas-liquid separator 6.
Throttle more mouthfuls of expansion valve modules, including valve body, flow heating power regulating mechanism.The flow heating power regulating mechanism
Including temperature sensing package 998, transmission component, valve member；Temperature sensing package 998 connects transmission component, and transmission component drives valve member, valve
Door component is matched with throttle orifice 20.
It is provided with valve inlet 17 and the first valve outlet 18 and the second valve outlet 23 on the valve body, has after the valve inlet 17
Capillary throttle pipe 19, the valve inlet 17 are connected with the interior outlet of condenser 2, the first valve outlet 18 and 4 import of interior evaporator
It is connected, the second valve outlet 23 is connected with 1 gas supplementing opening of Gas-supplying enthalpy-increasing compressor.The refrigerant liquid of interior condensator outlet enters valve
Entrance 17 first passes around capillary throttle pipe 19 and carries out first time throttling, and the biphase gas and liquid flow formed after throttling enters intermediate pressure
Chamber 25, due to gravity fractionation, refrigerant liquid enters throttle orifice 20 and carries out second of throttling, the gas-liquid after second of throttling
Two phase flow enters evaporator, and refrigerant gas passes through dried strainer 24, and unsegregated refrigerant liquid is through dried strainer 24
Obstruction forms drop and returns to intermediate pressure cavity 25, and dry refrigerant gas is complete into compressor gas supplementing opening through the second valve outlet 23
At Gas-supplying enthalpy-increasing.The input port of valve inlet 17 connects condensator outlet；The delivery outlet of first valve outlet 18 connects evaporator；
The delivery outlet of second valve outlet 23 connects Gas-supplying enthalpy-increasing compressor gas supplementing opening；First interface 21 connect with gas-liquid separator or directly
It is connect with Gas-supplying enthalpy-increasing compressor air suction mouth, second interface 22 is connect with evaporator outlet.
Transmission component includes drive block 917, drive rod 99；Valve member include ball valve 910, valve seat 9119, spring 911,
Adjust screw 122；The temperature sensing package 998, drive block 917, drive rod 99 are sequentially connected, and drive rod 99 is contacted with ball valve 910, institute
It states ball valve 910 to be connected with valve seat 9119, valve seat 9119 is connect by spring 911 with screw 122 is adjusted, the ball valve 910
Before be provided with throttle orifice 20；Screw 122 is adjusted to connect with valve body screw thread.The valve inner is provided with dried strainer 24, institute
Dried strainer 24 is stated set on 23 lower section of the second valve outlet, forms intermediate pressure between the dried strainer 24 and throttle orifice 20
Chamber 25.
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.Electricity
The high-temperature high-pressure refrigerant gas that dynamic compressor 1 is discharged is through interior condenser 2, and interior condenser 2 does not exchange heat at this time, car condensation
The refrigerant gas that device 2 exports enters vehicle external heat exchanger 3 through second solenoid valve 8, and vehicle external heat exchanger 3 is used as condenser to ring at this time
Border 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,
The refrigerant that interior evaporator 4 exports returns to the completion circulation of motor 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.Through interior condenser 2 to interior heat extraction, interior condenser 2 goes out the high-temperature high-pressure refrigerant gas that motor compressor 1 is discharged
The refrigerant liquid of mouth enters the valve inlet 17 of two-stage five mouthfuls of heating power expansion valves 5 of throttling through the first solenoid valve 7, and refrigerant liquid is first
It first passing through capillary throttle pipe 19 and carries out first time throttling, the biphase gas and liquid flow formed after throttling enters intermediate pressure cavity 25, due to
Gravity fractionation, refrigerant liquid enter throttle orifice 20 and carry out second of throttling, and the gas-liquid two-phase after second of throttling flows into
Enter vehicle external heat exchanger 3, refrigerant gas passes through dried strainer 24, and unsegregated refrigerant liquid is stopped through dried strainer 24
It forms drop and returns to intermediate pressure cavity 25, dry refrigerant gas enters 1 gas supplementing opening of motor compressor through the second valve outlet 23
Complete Gas-supplying enthalpy-increasing.Vehicle external heat exchanger 3 absorbs heat as evaporator to environment, and the refrigerant that vehicle external heat exchanger 3 exports is through third electricity
The second interface 22 that magnet valve 9 enters two-stage five mouthfuls of heating power expansion valves 5 of throttling enters gas-liquid separator 6, gas after first interface 21
The refrigerant that liquid/gas separator 6 comes out returns to motor compressor 1 and completes 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 heating power 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 modules (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 modules of the throttling, including valve body (100)；Be provided on the valve body (100) valve inlet (17),
First valve outlet (18), the second valve outlet (23), intermediate pressure cavity (25), flow heating power regulating mechanism；
The delivery outlet of the valve inlet (17) passes through capillary throttle pipe (19) connection intermediate pressure cavity (25)；
First position in intermediate pressure cavity (25) connects the first valve outlet (18), and the second position in intermediate pressure cavity (25) connects
Connect the second valve outlet (23), wherein first position is lower than the second position；Throttle orifice (20) are provided at first position；
The flow heating power regulating mechanism includes temperature sensing package (998), transmission component, valve member；Temperature sensing package (998) connection transmission
Component, transmission component drive valve member, and valve member is matched with throttle orifice (20)；
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) is connected on the pipeline of first interface (21) and vehicle external heat exchanger (3) outlet；
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) entrance；
Second check-valve (12) is connected on the pipeline of the gas supplementing opening of the second valve outlet (23) and compressor (1)；
Second interface (22) connects the entrance of the outlet of interior evaporator (4), gas-liquid separator (6).
2. the Gas-supplying enthalpy-increasing heat pump system according to claim 1 with more mouthfuls of heating power 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 heating power expansion valves of throttling, which is characterized in that
Compressor (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 |
|---|---|---|---|
| CN201811287834.XA CN109591545B (en) | 2018-10-31 | 2018-10-31 | Air-supplementing enthalpy-increasing heat pump system with throttling multi-port thermal expansion valve, vehicle and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287834.XA CN109591545B (en) | 2018-10-31 | 2018-10-31 | Air-supplementing enthalpy-increasing heat pump system with throttling multi-port thermal expansion valve, vehicle and method |
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| Publication Number | Publication Date |
|---|---|
| CN109591545A true CN109591545A (en) | 2019-04-09 |
| CN109591545B CN109591545B (en) | 2020-07-10 |
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| CN201811287834.XA Active CN109591545B (en) | 2018-10-31 | 2018-10-31 | Air-supplementing enthalpy-increasing heat pump system with throttling multi-port thermal expansion valve, vehicle and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765517A (en) * | 2020-06-06 | 2020-10-13 | 苏州浪潮智能科技有限公司 | Low-temperature starting air conditioning system |
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| CN201837139U (en) * | 2009-06-01 | 2011-05-18 | 特灵空调系统(中国)有限公司 | Jet and enthalpy increasing heat pump air conditioner hot water unit |
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| CN111765517A (en) * | 2020-06-06 | 2020-10-13 | 苏州浪潮智能科技有限公司 | Low-temperature starting air conditioning system |
| CN111765517B (en) * | 2020-06-06 | 2021-10-22 | 苏州浪潮智能科技有限公司 | Low-temperature starting air conditioning system |
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| Publication number | Publication date |
|---|---|
| CN109591545B (en) | 2020-07-10 |
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