CN109278496A - Electric automobile heat pump air conditioning system and car - Google Patents
Electric automobile heat pump air conditioning system and car Download PDFInfo
- Publication number
- CN109278496A CN109278496A CN201811217094.2A CN201811217094A CN109278496A CN 109278496 A CN109278496 A CN 109278496A CN 201811217094 A CN201811217094 A CN 201811217094A CN 109278496 A CN109278496 A CN 109278496A
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- Prior art keywords
- heat exchanger
- solenoid valve
- car
- gas
- pipeline
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 230000008676 import Effects 0.000 claims description 12
- 241000009298 Trigla lyra Species 0.000 claims description 8
- 230000008014 freezing Effects 0.000 claims description 4
- 238000007710 freezing Methods 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 abstract description 48
- 230000000694 effects Effects 0.000 abstract description 16
- 238000007791 dehumidification Methods 0.000 abstract description 13
- 230000008859 change Effects 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 12
- 238000005057 refrigeration Methods 0.000 description 10
- 238000002309 gasification Methods 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 8
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention relates to the field of electric automobile air-conditioning systems, in particular to an electric automobile heat pump air-conditioning system and an automobile. The invention utilizes the gas-liquid change of the refrigerant to carry out physical cooling and physical heating on the air, can realize the dehumidification effect, can not reduce the temperature in the vehicle, greatly saves electric energy on the basis, and does not influence or contribute to improving the cruising ability of the electric vehicle.
Description
Technical field
The present invention relates to electric automobile air-conditioning system fields, in particular to electric automobile heat-pump air-conditioning system and vapour
Vehicle.
Background technique
Electric car refers to using vehicle power supply as power, drives vehicle wheel rotation traveling by power drive system with motor
Vehicle.The type of electric car mainly has electric car, hybrid vehicle and fuel cell car at present.
With the fast development of electric car industry, heat pump air conditioner is more and more applied on electric car, in winter,
Existing electric car is heated by PTC Electric heating, and interior air-conditioning system can not dehumidify to air, leads to vehicle window glass
There is condensation phenomenon in glass, influences to drive.
Summary of the invention
The present invention is intended to provide a kind of electric automobile heat-pump air-conditioning system, empty in electric car in the prior art to solve
The problem of gas dehumidifies.
Another object of the present invention is to provide a kind of automobiles for having above-mentioned electric automobile heat-pump air-conditioning system.
The embodiment of the present invention is achieved in that
A kind of electric automobile heat-pump air-conditioning system comprising be connected with the conduit of compressor and gas-liquid separator, institute
Conduit is stated for allowing heat transferring medium to circulate, the conduit is connected with interior heat exchanger A and interior heat exchanger B；
The car heat exchanger A is for freezing or heating, and the car heat exchanger B is for freezing or heating.
Preferably, it is provided between above-mentioned car heat exchanger A and the interior heat exchanger B for adjusting heat transferring medium flow
The second throttle of size.
Preferably, the second electricity for control piper on-off is provided between above-mentioned compressor and the interior heat exchanger A
Magnet valve.
Preferably, for control piper on-off is provided between above-mentioned gas-liquid separator and the interior heat exchanger B
Five solenoid valves.
Preferably, above-mentioned electric automobile heat-pump air-conditioning system further includes vehicle external heat exchanger, vehicle external heat exchanger both ends
It is separately connected the first pipeline and the second pipeline, first pipeline is equipped with and is separately connected the gas-liquid separator import, the pressure
The access port of contracting machine gas outlet, second pipeline, which is equipped with, is separately connected the interior heat exchanger A, the interior heat exchanger B, institute
The access port of gas-liquid separator import is stated, each access port is separately provided for the solenoid valve of control piper on-off.
Preferably, third pipeline, the third pipeline are additionally provided between above-mentioned car heat exchanger A and the gas-liquid separator
Equipped with the 4th solenoid valve for control piper on-off.
Preferably, above-mentioned second pipeline be equipped with the 6th solenoid valve, the 6th solenoid valve for control vehicle external heat exchanger with
The car heat exchanger A and the car heat exchanger B are connected or disconnected simultaneously.
Preferably, first throttle valve is additionally provided on above-mentioned second pipeline, the first throttle valve flows through described for adjusting
The heat transferring medium flow size of vehicle external heat exchanger.
Preferably, the access port between liquid/gas separator import described in above-mentioned second pipeline and gas is set to the 5th electromagnetism
Between valve and the interior heat exchanger B, the 5th solenoid valve is used for while controlling the vehicle external heat exchanger by described second
Pipeline and the gas-liquid separator connect or disconnect and the connection of the car heat exchanger B and the gas-liquid separator or break
It opens.
A kind of automobile comprising above-mentioned electric automobile heat-pump air-conditioning system.
The beneficial effect comprise that
The present invention changes to carry out air the form of Physical temperature-lowering, physical heating using refrigerant gas-liquid, can either realize
The effect of dehumidifying, additionally it is possible to not drop vehicle interior temperature, electric energy is also greatly saved on this basis, not influence or be conducive to improve
The cruising ability of electric car.
For the present invention by providing interior heat exchanger A and interior heat exchanger B on the same circuit, two heat exchangers can be only
Vertical work, the heat release in heat exchanger A in the car of the refrigerant of high temperature and pressure, the refrigerant of rear cryogenic high pressure drop in heat exchanger B into the car
Pressure, thus refrigerant decompression gasification heat absorption, the interior heat exchanger B of heat absorption is located at air duct upstream, exothermic interior heat exchanger is set to
Air duct downstream, air first pass through interior heat exchanger B condensation moisture, then heat using interior heat exchanger A, make Air Temperature
Temperature when degree is returned back into air duct is changed the temperature of heat exchanger using the physical state variation of refrigerant, is removed with realizing
The effect of moisture and heating cold air in air, achievees the purpose that dehumidifying.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the electric automobile heat-pump air-conditioning system that the embodiment of the present invention 1 provides；
Fig. 2 is the dehumidification mode system circulation schematic diagram that the embodiment of the present invention 1 provides；
Fig. 3 is that the dehumidifying that the embodiment of the present invention 1 provides heats excessive modular system circulation theory figure；
Fig. 4 is the refrigeration mode system circulation schematic diagram that the embodiment of the present invention 1 provides；
Fig. 5 is the heating mode system circulation schematic diagram that the embodiment of the present invention 1 provides；
Fig. 6 is the defrost pattern system circulation schematic diagram that the embodiment of the present invention 1 provides；
Fig. 7 is that the defrost that the embodiment of the present invention 1 provides heats synchronous mode system circulation schematic diagram；
Fig. 8 is the structural schematic diagram for the electric automobile heat-pump air-conditioning system that the embodiment of the present invention 2 provides；
Fig. 9 is the dehumidification mode system circulation schematic diagram that the embodiment of the present invention 2 provides；
Figure 10 is that the dehumidifying that the embodiment of the present invention 2 provides heats excessive modular system circulation theory figure；
Figure 11 is the refrigeration mode system circulation schematic diagram that the embodiment of the present invention 2 provides；
Figure 12 is the heating mode system circulation schematic diagram that the embodiment of the present invention 2 provides；
Figure 13 is the defrost pattern system circulation schematic diagram that the embodiment of the present invention 2 provides；
Figure 14 is that the defrost that the embodiment of the present invention 2 provides heats synchronous mode system circulation schematic diagram.
Icon: 101- compressor；102- vehicle external heat exchanger；103- first throttle valve；104- second throttle；105- is interior
Heat exchanger B；106- car heat exchanger A；107- gas-liquid separator；The first solenoid valve of 110-；111- second solenoid valve；112- third
Solenoid valve；The 4th solenoid valve of 113-；The 5th solenoid valve of 114-；The 6th solenoid valve of 115-；The 7th solenoid valve of 116-.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if occur term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Either the invention product using when the orientation or positional relationship usually put, be merely for convenience of the description present invention and simplification retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.If only being used in addition, occurring term " first ", " second " etc. in description of the invention
It is described in distinguishing, is not understood to indicate or imply relative importance.
If being not offered as requiring component absolute in addition, occurring the terms such as term "horizontal", "vertical" in description of the invention
Horizontal or pendency, but can be slightly tilted.If "horizontal" only refers to that its direction is more horizontal with respect to for "vertical", not
It is to indicate that the structure is had to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, if there is term
" setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Embodiment 1
The present embodiment provides a kind of electric automobile heat-pump air-conditioning systems, mainly include for allowing to exchange heat as shown in Fig. 1
The conduit of flow of media, and pass through the compressor 101 of piping connection, gas-liquid separator 107, vehicle external heat exchanger 102, car
Heat exchanger A106, interior heat exchanger B105 are provided with the solenoid valve for controlling on-off on above-mentioned conduit, and for adjusting
Save the throttle valve of heat transferring medium flow size.
The present invention does not exchange thermal medium and piping material limits, and heat transferring medium is using cold in the embodiment of the present invention
Matchmaker, pipeline use refrigerant pipe.
It should be noted that refrigerant is that the easy heat absorption of one kind becomes gas, and is easy the substance that heat release becomes liquid.Gaseous state
Refrigerant pressurization, be easy condensation heat release；The refrigerant of liquid is depressured, and is easy gasification heat absorption.
Above-mentioned pipeline includes interior pipeline and outer pipeline.Above-mentioned solenoid valve includes the first solenoid valve 110, second solenoid valve
111, third solenoid valve 112, the 4th solenoid valve 113, the 5th solenoid valve 114, the 6th solenoid valve 115, the 7th solenoid valve 116.On
The throttle valve stated includes first throttle valve 103 and second throttle 104.
Interior pipeline connect compressor 101, gas-liquid separator 107, interior heat exchanger A106, interior heat exchanger B105.It please join
According to attached drawing 1, the air inlet of compressor 101 is connect with the outlet of gas-liquid separator 107, the gas outlet connection of compressor 101 and gas
It is connected with interior heat exchanger A106 and interior heat exchanger B105 between the import of liquid/gas separator 107 in turn.
Interior heat exchanger A106 and car heat exchanger B105 is located in interior air duct, please refers to attached drawing 1, wherein interior heat exchange
Device B105 is located at air duct upstream, and interior heat exchanger A106 is located at air duct downstream.
Above-mentioned second solenoid valve 111 is set between compressor 101 and the interior heat exchanger A106, to control compression
The on-off of pipeline between machine 101 and interior heat exchanger A106.Further, second solenoid valve 111 uses check valve, and heat exchange is made to be situated between
Matter is only capable of flowing to interior heat exchanger A106 by compressor 101.
The 5th above-mentioned solenoid valve 114 is set between gas-liquid separator 107 and the interior heat exchanger B105, with control
The on-off of pipeline between interior heat exchanger B105 and gas-liquid separator 107.Further, the 5th solenoid valve 114 uses check valve,
Heat transferring medium is set to be only capable of flowing to gas-liquid separator 107 by interior heat exchanger B105.
Above-mentioned second throttle 104 is set between interior heat exchanger A106 and the interior heat exchanger B105, to adjust
Save heat transferring medium flow size.
Outer pipeline is used for vehicle external heat exchanger 102 and interior piping connection, and interior pipeline includes being set to 102 liang of vehicle external heat exchanger
First pipeline and the second pipeline at end.It please refers to shown in attached drawing 1, the first pipeline is equipped with and is separately connected the gas-liquid separator 107
Import, 101 gas outlet of the compressor access port, second pipeline be equipped be separately connected the interior heat exchanger A106,
The car heat exchanger B105,107 import of the gas-liquid separator access port.
It please refers to shown in attached drawing 1, the first solenoid valve is set between the access port of 101 gas outlet of the first pipeline and compressor
110, third solenoid valve 112 is set between 107 import of first pipeline and gas-liquid separator.Second pipeline and interior heat exchanger A106
Access port between interior heat exchanger B105 controls on-off by the 6th solenoid valve 115 simultaneously；Second pipeline and interior heat exchange
Access port between device B105 be additionally provided with the 7th solenoid valve 116 for individually control on-off.Wherein the 6th solenoid valve 115 and
Seven solenoid valves 116 use two-way valve.
Further, the access port between 107 import of the second above-mentioned pipeline and gas-liquid separator is set to the 5th electromagnetism
Between valve 114 and interior heat exchanger B105, the 5th above-mentioned solenoid valve 114 controls the on-off of two paths simultaneously, and one is vehicle
External heat exchanger 102 is connected or disconnected by the second pipeline and gas-liquid separator 107, another for car heat exchanger B105 and gas-liquid
Separator 107 connects or disconnects.When closing five solenoid valves 114, the second pipeline, which is still in interior heat exchanger B105, to be connected
Connect state.
By pipeline on-off of the above-mentioned each solenoid valve control where it, and combine above-mentioned compressor 101, gas-liquid point
From device 107, vehicle external heat exchanger 102, interior heat exchanger A106, car heat exchanger B105 work, this electric automobile heat-pump air-conditioning system
System can be realized various modes, including dehumidification mode, dehumidifying heat excessive mode, refrigeration mode, heating mode, defrost pattern,
Defrost heats synchronous mode, and it is described that the specific working principle is as follows.
Dehumidification mode
It please refers to shown in attached drawing 2, closes the first solenoid valve 110, third solenoid valve 112, the 115, the 7th electricity of the 6th solenoid valve
Magnet valve 116 is turned off, and to cut off the connection of vehicle external heat exchanger 102 Yu interior pipeline, simultaneously closing off the 4th solenoid valve 113 prevents refrigerant
It is directly back to gas-liquid separator 107 without any heat exchanger, opens second solenoid valve 111 and second throttle 104, is formed
" compressor 101- second solenoid valve 111- car heat exchanger A106- second throttle 104- car heat exchanger B105- gas-liquid separation
The circulation loop of device 107 ".
By second solenoid valve 111, heat exchanger A106, refrigerant exist the high temperature and pressure refrigerant that compressor 101 is discharged into the car
Heat release is condensed in interior heat exchanger A106, for heating interior air, realizes heating effect；Again through 104 section of second throttle
Heat exchanger B105 into the car after stream, heat exchanger B105 carries out gasification cooling to refrigerant in the car, for realizing to interior air
Effect on moisture extraction；Then enter gas-liquid separator 107 using the 5th solenoid valve 114, most return and compress through gas-liquid separator 107 afterwards
101 air entry of machine.
The present invention is by providing interior heat exchanger A106 and interior heat exchanger B105 on the same circuit, two heat exchangers
It can work independently, the refrigerant of high temperature and pressure heat release in heat exchanger A106 in the car, the refrigerant of rear cryogenic high pressure changes into the car
Decompression in hot device B105, so that refrigerant decompression gasification heat absorption, the interior heat exchanger B105 of heat absorption are located at air duct upstream, exothermic vehicle
Interior heat exchanger is set to air duct downstream, and air first passes through interior heat exchanger B105 condensation moisture, then changes using car
Hot device A106 heating, temperature when returning back to air themperature into air duct, is changed using the physical state of refrigerant and is changed to change
The temperature of hot device achievees the purpose that dehumidifying to realize the effect for removing moisture and heating cold air in air.
Further, in order to make the more preferably vaporization heat absorption of refrigerant, heat exchanger into the car is regulated and controled by second throttle 104
The uninterrupted of the refrigerant of B105 makes refrigerant in lesser flow into the car heat exchanger B105, to be conducive to refrigerant gas
Change heat absorption.
The present invention changes to carry out air the form of Physical temperature-lowering, physical heating using refrigerant gas-liquid, can either realize
The effect of dehumidifying, additionally it is possible to not drop vehicle interior temperature, electric energy is also greatly saved on this basis, not influence or be conducive to improve
The cruising ability of electric car.
Dehumidifying heats excessive mode
In winter, after air-conditioning system completes dehumidifying demisting, when being switched to heating mode by dehumidification mode, it usually will appear and change
The condensed water of hot device surface residual is again by thermal evaporation, the case where again by air duct into the car, contains from what air duct came out
The air of moisture is easy to condense on glass for vehicle window, and automotive window is caused the phenomenon that fogging occur, extremely influence driving safety.
Dehumidifying heats excessive mode for solving to be easy to cause asking for vehicle window fogging when dehumidification mode is switched to heating mode
Topic.
On the basis of dehumidification mode, dehumidifying is heated in excessive mode, and the vehicle external heat exchanger 102 of outer pipeline connects inner tube
Road, the interior heat exchanger B105 for condensation are disconnected, and specifically please refer to attached drawing 3, on the basis of dehumidification mode, close the 5th electricity
Magnet valve 114, the 7th solenoid valve 116 and second throttle 104 prevent refrigerant from passing through interior heat exchanger B105, open third electromagnetism
Valve 112, the 6th solenoid valve 115 access vehicle external heat exchanger 102 between 107 import of interior heat exchanger A106 and gas-liquid separator,
It is formed " outside the 6th solenoid valve 115- first throttle valve 103- vehicle of compressor 101- second solenoid valve 111- car heat exchanger A106-
The circulation loop of heat exchanger 102- gas-liquid separator 107 ".
By second solenoid valve 111, heat exchanger A106, refrigerant exist the high temperature and pressure refrigerant that compressor 101 is discharged into the car
Heat release is condensed in interior heat exchanger A106, for heating interior air, realizes heating effect；Using the 6th solenoid valve 115
It throttles into first throttle valve 103, absorbs heat subsequently into gasifying in vehicle external heat exchanger 102, enter using third solenoid valve 112
Gas-liquid separator 107 most returns to 101 air entry of compressor through gas-liquid separator 107 afterwards.
Excessive mode is heated by setting dehumidifying, it is disconnected for the interior heat exchanger B105 of condensed moisture in dehumidification mode
It opens, heat release when refrigerant being avoided to flow through interior heat exchanger B105, so that the evaporation capacity again of remaining condensed water is reduced, to the greatest extent may be used
It is avoided that moisture is mixed into the air to circulate in air duct and eventually enters into car.Then by interior heat exchanger A106 and vehicle external heat exchanger
102 connections, make refrigerant gasify in vehicle external heat exchanger 102 heat absorption, reduce compressor 101 heat, energy consumption needed for refrigerant of pressurizeing.
Further, in order to make the more preferably vaporization heat absorption of refrigerant, vehicle external heat exchanger is entered by the regulation of first throttle valve 103
The uninterrupted of 102 refrigerant enters refrigerant in vehicle external heat exchanger 102 with lesser flow, to be conducive to refrigerant gasification
Heat absorption.
Refrigeration mode
Please refer to attached drawing 4, second solenoid valve 111, third solenoid valve 112, the 5th solenoid valve 114 and the 6th solenoid valve 115,
Second throttle 104 is closed, and the first solenoid valve 110, the 4th solenoid valve 113, the 7th solenoid valve 116 and first throttle valve 103 are opened
It opens, forms " compressor 101- the first solenoid valve 110- vehicle external heat exchanger 102- first throttle valve 103- car heat exchanger B105- vehicle
The circulation loop of interior the 4th solenoid valve 113- gas-liquid separator 107 " of heat exchanger A106-.Interior heat exchanger A106 and interior heat exchange
Device B105 carries out heat absorption work simultaneously, can absorb heat to air secondary, improves refrigeration effect.
The high temperature and pressure refrigerant that compressor 101 is discharged is condensed by the first solenoid valve 110 into vehicle external heat exchanger 102
Heat dissipation, the then heat exchanger B105 into the car after the throttling of first throttle valve 103, into the car using the 7th solenoid valve 116
Heat exchanger A106；Refrigerant gasifies in heat exchanger B105 and interior heat exchanger A106 heat absorption in the car, for cooling interior air
Realize refrigeration effect.From interior heat exchanger A106 come out after refrigerant again through the 4th solenoid valve 113 enter gas-liquid separator 107,
Most 101 air entry of compressor is returned through gas-liquid separator 107 afterwards.
Heating mode
Please refer to attached drawing 5, the first solenoid valve 110, the 4th solenoid valve 113, the 5th solenoid valve 114, the 6th solenoid valve 115 and
Second throttle 104 is closed；Second solenoid valve 111, third solenoid valve 112, the 7th solenoid valve 116 and first throttle valve 103 are opened
It opens, forms " the 7th solenoid valve 116- car heat exchanger B105- of compressor 101- second solenoid valve 111- car heat exchanger A106-
107 " circulation loop of first throttle valve 103- vehicle external heat exchanger 102- third solenoid valve 112- gas-liquid separator.
The high temperature and pressure refrigerant that compressor 101 is discharged passes through the heat exchanger A106 into the car of second solenoid valve 111, using
7th solenoid valve 116 heat exchanger B105 into the car, refrigerant condense in heat exchanger B105 and interior heat exchanger A106 put in the car
Heat realizes heating effect for heating interior air；Then enter vehicle external heat exchanger 102 after the throttling of first throttle valve 103
Middle gasification heat absorption, enters gas-liquid separator 107 using third solenoid valve 112, most returns to compressor through gas-liquid separator 107 afterwards
101 air entries.
Defrost pattern
Under defrost pattern, interior heat exchanger A106 and car heat exchanger B105 are disconnected, only remaining vehicle external heat exchanger 102 and pressure
Contracting machine 101 and gas-liquid separator 107 connect.Please refer to attached drawing 6, second solenoid valve 111, third solenoid valve 112, the 4th solenoid valve
113, the 6th solenoid valve 115, the 7th solenoid valve 116 and second throttle 104 are closed；First solenoid valve 110, the 5th solenoid valve
114 and first throttle valve 103 open, formed " compressor 101- the first solenoid valve 110- vehicle external heat exchanger 102- first throttle valve
The 5th solenoid valve 114- gas-liquid separator 107 " of 103-
The high temperature and pressure refrigerant that compressor 101 is discharged is condensed by the first solenoid valve 110 into vehicle external heat exchanger 102
Heat dissipation, is melted into water for the frost layer on 102 surface of vehicle external heat exchanger and drains, then again through the 5th after the throttling of first throttle valve 103
Solenoid valve 114 enters gas-liquid separator 107, most returns to 101 air entry of compressor through gas-liquid separator 107 afterwards.
Defrost heats synchronous mode
When entering defrost pattern to the progress defrost of vehicle external heat exchanger 102, can usually be stopped working due to interior heat exchanger,
Vehicle interior temperature is caused to be greatly reduced, this not only can consume more energy consumptions when heating in the later period, even if out-of-blast at this moment, vehicle
Interior temperature substantially reduces interior comfort as lack heat source and gradually decrease.
Therefore the mode of defrost, heating synchronous operation is especially set, vehicle interior temperature reduces when solving the problems, such as vehicle defrost.
On the basis of defrost pattern, parallel connection accesses interior heat exchanger A106, vehicle external heat exchanger 102B, outside interior, vehicle
Heat exchanger is run simultaneously, while air door being arranged in air duct, with control air-flow flow separately through or be not passed through interior heat exchanger A106,
Interior heat exchanger B105.
Heat exchanger heat release defrost outside vehicle；One, two heat exchangers interior heat absorption, a heat release, passes through air door in air duct
Switching makes air in air duct be not passed through the heat exchanger of heat absorption, avoids blowing to interior air cooled.In the present embodiment, air duct
The interior heat exchanger B105 of upstream absorbs heat, the interior heat exchanger A106 heat release in air duct downstream, to reduce the air after heating in wind
Dissipated heat is flowed in road.
Specifically, attached drawing 7 is please referred to, third solenoid valve 112, the 4th solenoid valve 113, the 6th solenoid valve 115, the 7th electromagnetism
Valve 116 is closed；First solenoid valve 110, second solenoid valve 111, the 5th solenoid valve 114 and first throttle valve 103 and the second throttling
Valve 104 is opened, and two circulation loops in parallel are formed, and one is " compressor 101- the first solenoid valve 110- vehicle external heat exchanger
The 5th solenoid valve 114- gas-liquid separator 107 " of 102- first throttle valve 103-, another is " compressor 101- second solenoid valve
The 5th solenoid valve 114- gas-liquid separator 107 " of 111- car heat exchanger A106- second throttle 104- car heat exchanger B105-.
The high temperature and pressure refrigerant that compressor 101 is discharged divides two-way, enters vehicle external heat exchanger through the first solenoid valve 110 all the way
102 carry out condensation heat dissipation, and the frost layer on 102 surface of vehicle external heat exchanger is melted into water and is drained, subsequently into first throttle valve 103 into
Row throttling；Through the heat exchanger A106 into the car of second solenoid valve 111, refrigerant condenses in heat exchanger A106 put in the car another way
Heat realizes heating effect, the refrigerant that then car heat exchanger A106 comes out is through second throttle for heating interior air
Heat exchanger B105 into the car after 104 throttlings, with another way through first throttle valve after interior heat exchanger B105 gasification heat absorption
Refrigerant after 103 throttlings converges, and is then passed through the 5th solenoid valve 114 and enters gas-liquid separator 107, most afterwards through gas-liquid separator
107 return to 101 air entry of compressor.
The present invention cooperates air door in air duct to switch by setting two interior heat exchangers, realizes in defrost,
In-vehicle air is heated simultaneously, avoids vehicle interior temperature when defrost from reducing, improves interior comfort.
Embodiment 2
On the basis of embodiment 1, the pipeline at the 7th solenoid valve 116 and its place is removed, removes and is changed outside individually control vehicle
The pipeline and the 7th solenoid valve 116 of hot device 102 and interior heat exchanger B105 on-off, as shown in attached drawing 1 and attached drawing 8.
The air-conditioning system in heat pump air conditioning system and embodiment 1 in the present embodiment is able to achieve dehumidification mode, dehumidifying is made
The various modes such as hot excessively mode, refrigeration mode, heating mode, defrost pattern, defrost heating synchronous mode.Wherein the present embodiment
The dehumidification mode of middle air-conditioning system, dehumidifying heat excessive mode, defrost pattern, defrost heating synchronous mode circulation theory and reality
It applies that example 1 is identical, can realize technical effect as described in example 1 above.
The circulation theory of dehumidification mode in the present embodiment is as shown in Fig. 9.
The circulation theory that dehumidifying in the present embodiment heats excessive mode is as shown in Fig. 10.
The circulation theory of defrost pattern in the present embodiment is as shown in Fig. 13.
The circulation theory of defrost heating synchronous mode in the present embodiment is as shown in Fig. 14.
And refrigeration mode is identical with the principle of heating mode, circulating path is slightly different, but is also able to achieve as in embodiment 1
The technical effect.
The circulation theory of refrigeration mode in the present embodiment is as shown in Fig. 11, wherein second solenoid valve 111, third electromagnetism
Valve 112, the 5th solenoid valve 114 and the 6th solenoid valve 115 are closed；First solenoid valve 110, the 4th solenoid valve 113, first throttle valve
103 and second throttle 104 open, and second throttle 104 be in maximum opening, and second throttle 104 is without saving
Stream.
The high temperature and pressure refrigerant that compressor 101 is discharged is condensed by the first solenoid valve 110 into vehicle external heat exchanger 102
Heat dissipation, the then heat exchanger B105 into the car after the throttling of first throttle valve 103, into the car using second throttle 104
Heat exchanger A106；Refrigerant gasifies in heat exchanger B105 and interior heat exchanger A106 heat absorption in the car, for cooling interior air
Realize refrigeration effect；From interior heat exchanger A106 come out after refrigerant again through the 4th solenoid valve 113 enter gas-liquid separator 107,
Most 101 air entry of compressor is returned through gas-liquid separator 107 afterwards.
The circulation theory of heating mode in the present embodiment is as shown in Fig. 12, wherein the first solenoid valve 110, the 4th electromagnetism
Valve 113, the 5th solenoid valve 114 and the 6th solenoid valve 115 are closed；Second solenoid valve 111, third solenoid valve 112, first throttle valve
103 and second throttle 104 open, and second throttle 104 be in maximum opening, and second throttle 104 is without saving
Stream.
The high temperature and pressure refrigerant that compressor 101 is discharged passes through the heat exchanger A106 into the car of second solenoid valve 111, using
The heat exchanger B105 into the car of second throttle 104, refrigerant condense in heat exchanger B105 and interior heat exchanger A106 put in the car
Heat realizes heating effect for heating interior air.Then enter vehicle external heat exchanger 102 after the throttling of first throttle valve 103
Middle gasification heat absorption, enters gas-liquid separator 107 using third solenoid valve 112, most returns to compressor through gas-liquid separator 107 afterwards
101 air entries.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of electric automobile heat-pump air-conditioning system, which is characterized in that including being connected with compressor (101) and gas-liquid separator
(107) conduit；
The conduit is connected with interior heat exchanger A (106) and car heat exchanger B (105)；
The car heat exchanger A (106) is for freezing or heating, and the car heat exchanger B (105) is for freezing or heating.
2. electric automobile heat-pump air-conditioning system according to claim 1, which is characterized in that the car heat exchanger A (106)
Second throttle (104) are provided between the car heat exchanger B (105).
3. electric automobile heat-pump air-conditioning system according to claim 1, which is characterized in that the compressor (101) and institute
State the second solenoid valve (111) being provided between interior heat exchanger A (106) for control piper on-off.
4. electric automobile heat-pump air-conditioning system according to claim 1 or 3, which is characterized in that the gas-liquid separator
(107) the 5th solenoid valve (114) for control piper on-off is provided between the car heat exchanger B (105).
5. electric automobile heat-pump air-conditioning system according to claim 4, which is characterized in that further include vehicle external heat exchanger
(102), vehicle external heat exchanger (102) both ends are separately connected the first pipeline and the second pipeline；
First pipeline is equipped with and is separately connected the gas-liquid separator (107) import, the compressor (101) gas outlet connects
Entrance, second pipeline are equipped with and are separately connected the car heat exchanger A (106), the car heat exchanger B (105), the gas
The access port of liquid/gas separator (107) import；
Each access port is separately provided for the solenoid valve of control piper on-off.
6. electric automobile heat-pump air-conditioning system according to claim 5, which is characterized in that the car heat exchanger A (106)
It is additionally provided with third pipeline between the gas-liquid separator (107), the third pipeline is equipped with for control piper on-off
Four solenoid valves (113).
7. electric automobile heat-pump air-conditioning system according to claim 5, which is characterized in that second pipeline is equipped with the 6th
Solenoid valve (115), the 6th solenoid valve (115) is for controlling vehicle external heat exchanger (102) and the car heat exchanger A (106)
It is connected or disconnected simultaneously with the car heat exchanger B (105).
8. electric automobile heat-pump air-conditioning system according to claim 5, which is characterized in that be additionally provided on second pipeline
First throttle valve (103), the first throttle valve (103) is for adjusting the heat transferring medium for flowing through the vehicle external heat exchanger (102)
Uninterrupted.
9. electric automobile heat-pump air-conditioning system according to claim 5, it is characterised in that: second pipeline and the gas
Access port between liquid/gas separator (107) import is arranged in the 5th solenoid valve (114) and the car heat exchanger B (105)
Between.
10. a kind of automobile, it is characterised in that: including electric automobile heat-pump air-conditioning system described in any one of claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811217094.2A CN109278496B (en) | 2018-10-18 | 2018-10-18 | Electric automobile heat pump air conditioning system and car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811217094.2A CN109278496B (en) | 2018-10-18 | 2018-10-18 | Electric automobile heat pump air conditioning system and car |
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| CN109278496A true CN109278496A (en) | 2019-01-29 |
| CN109278496B CN109278496B (en) | 2024-07-05 |
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| CN110450602A (en) * | 2019-09-17 | 2019-11-15 | 上汽大众汽车有限公司 | The heat pump air conditioner of electric car |
| CN112113380A (en) * | 2020-10-16 | 2020-12-22 | 珠海格力电器股份有限公司 | Refrigeration system and control method thereof |
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| CN109278496B (en) | 2024-07-05 |
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