CN205980091U - Heat pump air conditioning system and electric automobile - Google Patents
Heat pump air conditioning system and electric automobile Download PDFInfo
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- CN205980091U CN205980091U CN201620418187.1U CN201620418187U CN205980091U CN 205980091 U CN205980091 U CN 205980091U CN 201620418187 U CN201620418187 U CN 201620418187U CN 205980091 U CN205980091 U CN 205980091U
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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
The utility model discloses a heat pump air conditioning system and electric automobile, wherein heat pump air conditioning system includes: the HVAC assembly, a compressor, an outdoor heat exchanger and an expansion switch valve, the HVAC assembly includes indoor condenser, indoor evaporator and damper mechanism, damper mechanism is used for optionally to switch on the wind channel of accessing to indoor condenser and/or accesss to indoor evaporator's wind channel, the outlet selection nature of compressor ground is via the entry intercommunication of first through -flow branch road and an expansion switch valve or feed through via the entry of the through -flow branch road of second with indoor condenser, indoor condenser's export and the entry of expansion switch valve intercommunication, the export of an expansion switch valve and outdoor heat exchanger's entry intercommunication, outdoor heat exchanger's outlet selection nature ground via branch road or the through -flow branch road of the third entry intercommunication with indoor evaporator of reducing expenditure, indoor evaporator's export and the entry of compressor intercommunication. From this, can reach and improve the heating efficiency, satisfy defrosting defogging laws and regulations, the effects such as installation of being convenient for.
Description
Technical field
This utility model is related to the field of air conditioning of electric automobile, in particular it relates to a kind of heat pump type air conditioning system and electronic vapour
Car.
Background technology
Electric automobile does not have orthodox car for the engine exhaust heat of heating it is impossible to provide heating reservoir.Therefore, electronic vapour
The air conditioning system of car itself must have the function of heating, that is, adopt heat pump type air conditioner system and/or electrical heating heat supply.
The application for a patent for invention of Publication No. CN102788397A discloses a kind of electric automobile heat-pump air-conditioning system.This heat
Although pump air conditioner system can use in all kinds of electric automobiles, this system uses two outdoor heat exchanger (outdoors
Condenser and an outdoor evaporator), lead to that front-end module windage is larger, system is more complicated, affect heating effect.
Utility model content
The purpose of this utility model is to provide a kind of heat pump type air conditioning system and electric automobile, is followed with solving no engine exhaust heat
The pure electric vehicle of loop systems or hybrid electric vehicle use that the automobile heat pump air-conditioning system heating efficiency of electric-only mode is low, Wu Faman
The problems such as sufficient defrosting-defogging laws and regulations requirement, installation are complicated.
To achieve these goals, according to of the present utility model in a first aspect, providing a kind of heat pump type air conditioning system, described system
System includes：HVAC assembly, compressor, outdoor heat exchanger and first expansion switch valve, described HVAC assembly include indoor condenser,
Indoor evaporator and air door mechanism, described air door mechanism be used for selectively turn on lead to described interior condenser air channel and/
Or leading to the air channel of described indoor evaporator, the egress selection ground of described compressor is via the first through-flow branch road and described first
Expand the entrance connection of switch valve or connect with the entrance of described interior condenser via the second through-flow branch road, described interior condensation
The outlet of device is connected with the entrance of the described first expansion switch valve, and described first expands the outlet of switch valve and described outdoor heat exchange
The entrance connection of device, the egress selection ground of described outdoor heat exchanger is via throttling branch road or three-way flow branch road and described interior
The entrance connection of vaporizer, the outlet of described indoor evaporator is connected with the entrance of described compressor.
Alternatively, described first through-flow branch road is provided with first switch valve, described second through-flow branch road is provided with
Two switch valves.
Alternatively, the outlet of described compressor pass through the first three-way valve optionally with the described first through-flow branch road or second
Through-flow branch road connection.
Alternatively, described three-way flow branch road is provided with the 3rd switch valve, described throttling branch road is provided with expansion valve.
Alternatively, described heat pump type air conditioning system is applied to electric automobile, and described heat pump type air conditioning system also includes：Board-like
Heat exchanger, wherein, described plate type heat exchanger is arranged in described three-way flow branch road, and described plate type heat exchanger is arranged simultaneously
In the electromotor cooling system of described electric automobile.
Alternatively, the outlet of the refrigerant inlet of described plate type heat exchanger and described outdoor heat exchanger, described board-like
The refrigerant outlet of heat exchanger is connected with the entrance of described 3rd switch valve.
Alternatively, described electromotor cooling system include connecting with described plate type heat exchanger with form loop motor, motor
Radiator and water pump.
Alternatively, described heat pump type air conditioning system also includes the second expansion switch valve, this second expansion switch valve entrance with
The outlet of described outdoor heat exchanger, the outlet of this second expansion switch valve is connected with the entrance of described indoor evaporator, institute
State the throttling runner that throttling branch road is described second expansion switch valve, described three-way flow branch road is described second expansion switch valve
Through-flow runner.
Alternatively, described heat pump type air conditioning system is applied to electric automobile, and described heat pump type air conditioning system also includes：Board-like
Heat exchanger, wherein, the outlet that the refrigerant inlet of described plate type heat exchanger expands switch valve with described second, described board-like
The refrigerant outlet of heat exchanger is connected with the entrance of described indoor evaporator, and described plate type heat exchanger be simultaneously located at described
In the electromotor cooling system of electric automobile.
Alternatively, described electromotor cooling system includes coolant main line, the first coolant branch road and the second coolant branch road,
The first end on described coolant main line is optionally propped up with the first end of described first coolant branch road or described second coolant
The first end connection on road, the second end of the second end of described first coolant branch road and described second coolant branch road is cold with described
But the second end connection on liquid main line, wherein, is in series with motor, motor radiator and water pump, in institute on described coolant main line
State and be in series with described plate type heat exchanger on the first coolant branch road.
Alternatively, described heat pump type air conditioning system also includes gas-liquid separator, the outlet of described indoor evaporator and described gas
The entrance connection of liquid/gas separator, the outlet of described gas-liquid separator is connected with the entrance of described compressor.
Alternatively, described HVAC assembly also includes ptc heater, this ptc heater be used for flow through described interior condensation
The wind of device is heated.
Alternatively, described ptc heater is arranged in windward side or the leeward side of described interior condenser.
According to second aspect of the present utility model, provide a kind of electric automobile, including above-described heat pump type air conditioning system.
The heat pump type air conditioning system that this utility model provides, can achieve vapour in the case of not changing refrigerant cycle direction
Car air conditioning system is freezed and is heated, outdoor heat exchanger defrosting function, and can meet the demand of refrigeration and heating simultaneously.Change in outdoor
During hot device bypass defrosting, remain to meet in-car heating demand.In this utility model, indoor evaporator and room in HVAC assembly
The flow direction of inner condenser individually can be controlled to adjust by air door mechanism, in addition, indoor condenser to be arranged on compressor swollen with first
In one of two parallel branches between swollen switch valve, that is, when freezing, wind is not passed through indoor condenser, and cold-producing medium is also not passed through room
Inner condenser place branch road, simultaneously the flow direction of wind flow only through indoor evaporator；During heating, wind is not passed through indoor evaporator, indoor steaming
Send out device and be only used as refrigerant flow path, the flow direction of wind flows only through indoor condenser simultaneously, refrigerant flow through indoor condenser is located and props up
Road；Need simultaneously refrigeration and heating when can change as needed changes in temperature air door aperture can achieve difference air-out demands.Additionally, by
In heat pump type air conditioning system of the present utility model only with an outdoor heat exchanger, therefore, it is possible to reduce the wind of front-end module
Resistance, solves the no pure electric vehicle of engine exhaust heat blood circulation or hybrid electric vehicle and uses the automobile heat pump of electric-only mode empty
Adjusting system heating efficiency is low, cannot meet defrosting-defogging laws and regulations requirement, the problems such as install complicated, reduce energy consumption, simplify system
System structure, facilitates the effect of pipeline arrangement.The heat pump type air conditioning system that this utility model provides has the simple feature of structure, therefore
It is easy to produce in batches.
Other feature and advantage of the present utility model will be described in detail in subsequent specific embodiment part.
Brief description
Accompanying drawing is used to provide and further understands to of the present utility model, and constitutes a part for description, and following
Specific embodiment be used for together explaining this utility model, but do not constitute to restriction of the present utility model.In the accompanying drawings：
Fig. 1 is according to a kind of structural representation of the heat pump type air conditioning system of embodiment of the present utility model；
Fig. 2 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model；
Fig. 3 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model；
Fig. 4 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model；
Fig. 5 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model；
Fig. 6 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model；
Fig. 7 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model；
Fig. 8 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model；
Fig. 9 is the overlooking the structure diagram of the expansion switch valve that this utility model preferred implementation provides；
Figure 10 is the cross-sectional view crossed by along Fig. 9 center line AB-AB, and wherein, the first valve port and the second valve port are equal
It is in open mode；
Figure 11 be the expansion switch valve that the bright preferred implementation of this utility model provides face structure along a visual angle
Schematic diagram；
Figure 12 is the cross-sectional view crossed by along Fig. 9 center line AB-AB, and wherein, the first valve port is in open mode,
Second valve port is in closure state；
Figure 13 is the cross-sectional view crossed by along Fig. 9 center line AB-AB, and wherein, the first valve port is in closure state,
Second valve port is in open mode；
Figure 14 be the expansion switch valve that this utility model preferred implementation provides face structure along another visual angle
Schematic diagram；
Figure 15 is the cross-sectional view crossed by along Figure 14 center line AC-AC, and wherein, the first valve port is in open shape
State, the second valve port is in closure state；
Figure 16 is the first internal structure schematic diagram of the expansion switch valve that this utility model preferred implementation provides, its
In, the first valve port and the second valve port are in open mode；
Figure 17 is the partial enlarged drawing in A portion in Figure 16；
Figure 18 is the second internal structure schematic diagram of the expansion switch valve that this utility model preferred implementation provides, its
In, the first valve port is in open mode, and the second valve port is closed；
Figure 19 is the 3rd internal structure schematic diagram of the expansion switch valve that this utility model preferred implementation provides, its
In, the first valve port is closed, and the second valve port is in open mode.
Specific embodiment
Below in conjunction with accompanying drawing, specific embodiment of the present utility model is described in detail.It should be appreciated that herein
Described specific embodiment is merely to illustrate and explains this utility model, is not limited to this utility model.
In this utility model, in the case of illustrating on the contrary, the noun of locality such as " upper and lower, left and right " of use is generally
It is for the page of accompanying drawing, " upstream, downstream " is with respect to medium, e.g., for the flow direction of cold-producing medium
, specifically, the flow direction towards cold-producing medium is downstream, and the flow direction deviating from cold-producing medium is upstream, and " inside and outside " refers to phase
Answer the interior and outer of component outline.In addition, the arrow in Fig. 4 and Fig. 5 is oriented to the flow direction of cold-producing medium.
Additionally, in this utility model, electric automobile can include pure electric automobile, hybrid vehicle, fuel cell
Automobile.
Fig. 1 is according to a kind of structural representation of the heat pump type air conditioning system of embodiment of the present utility model.As Fig. 1 institute
Show, this system can include：HVAC (heating and ventilation and air-conditioning, Heating Ventilation and Air
Conditioning) assembly 600, compressor 604 and outdoor heat exchanger 605.Wherein, HVAC assembly 600 can include indoor cold
Condenser 601, indoor evaporator 602 and air door mechanism (not shown), wherein, air door mechanism can be used for selectively turning on and leads to
The air channel of indoor condenser 601 and/or the air channel leading to indoor evaporator 602.
In this utility model, in HVAC assembly 600, lead to the air channel of indoor condenser 601 and lead to indoor evaporator
Being turned on and off of 602 air channel can be independently controlled by air door mechanism.That is, passing through air door mechanism, permissible
Control wind only to pass through indoor condenser 601, or only pass through indoor evaporator 602, or by indoor condenser 601 and interior
Both vaporizers 602, thus, it is possible to realize the independent control of wind direction.
As shown in figure 1, the egress selection ground of compressor 604 is via the first through-flow branch road and the first expansion switch valve 603
Entrance connection or connect with the entrance of indoor condenser 601 via the second through-flow branch road, the outlet of indoor condenser 601 and the
The entrance connection of one expansion switch valve 603.Specifically, in one embodiment, the first through-flow branch road is provided with first to open
Close valve 620, the second through-flow branch road is provided with second switch valve 621, the outlet of first switch valve 620 and the first expansion switch valve
603 entrance connection, the outlet of second switch valve 621 is connected with the entrance of interior condenser 601, the going out of indoor condenser 601
Mouth is connected with the first expansion switch valve 603.Here, indoor condenser 601 is arranged on compressor 604 and the first expansion switch valve
On one of two branch roads in parallel between 603, according to the different working modes of system, can be by being opened and closed first switch valve 620
Come whether control room inner condenser 601 participates in circulation with second switch valve 621.For example, when system carries out kind of refrigeration cycle,
Open first switch valve 620, close second switch valve 621, make cold-producing medium be not passed through indoor condenser 601, it specifically works
Pattern will be in following detailed description.
Additionally, the outlet of the first expansion switch valve 603 is connected with the entrance of outdoor heat exchanger 605, outdoor heat exchanger 605
Egress selection ground is connected with the entrance of indoor evaporator 602 via throttling branch road or three-way flow branch road, indoor evaporator 602
Outlet connect with the entrance of compressor 604.
Alternatively, the outlet of compressor 604 can also by the first three-way valve 622 optionally with the first through-flow branch road
Or the second through-flow branch road connection.Specifically, as shown in Fig. 2 the outlet of compressor 604 and the import 622a of the first three-way valve 622
Connection, first outlet 622b of the first three-way valve 622 is connected with the entrance of the first expansion switch valve 603, the first three-way valve 622
Second outlet 622c is connected with the entrance of indoor condenser 601, thus, by this first three-way valve 622, can control cold-producing medium
Selectively flow through the first through-flow branch road or the second through-flow branch road.
It should be noted that in this utility model, expanding switch valve is to have expansion valve function (also referred to as electricity simultaneously
Sub- expansion valve function) and switch valve function (also referred to as electromagnetic valve function) valve, can be regarded as being switch valve with swollen
Swollen valve integrated.Expand switch valve be internally formed through-flow runner and throttling runner, when expand switch valve as switch valve
During use, its internal through-flow runner conducting, now form through-flow branch road；When expansion switch valve uses as expansion valve, its
Internal throttling runner conducting, now forms throttling branch road.
In this utility model, the egress selection ground of outdoor heat exchanger 605 is via throttling branch road or three-way flow branch road
Connect with the entrance of indoor evaporator 602, the outlet of indoor evaporator 602 is connected with the entrance of compressor 604.Specifically, such as
Shown in Fig. 1, this heat pump type air conditioning system can also include the 3rd switch valve 610 and expansion valve 609, wherein, on three-way flow branch road
It is provided with the 3rd switch valve 610, throttling branch road is provided with expansion valve 609, the outlet of outdoor heat exchanger 605 is via the 3rd switch
Valve 610 is connected with the entrance of indoor evaporator 602 to form three-way flow branch road, and the outlet of outdoor heat exchanger 605 is via expansion
Valve 609 is connected with the entrance of indoor evaporator 602 to form throttling branch road.When system is under high-temperature refrigeration pattern, expand
Valve 609 turns on, and the 3rd switch valve 610 cuts out, and the outlet of outdoor heat exchanger 605 is via throttling branch road and indoor evaporator 602
Entrance connects.When system is under low temperature heating pattern, the 3rd switch valve 610 turns on, and expansion valve 609 cuts out, outdoor heat exchange
The outlet of device 605 is connected with the entrance of indoor evaporator 602 via three-way flow branch road.
Embodiment alternatively, as shown in figure 3, heat pump type air conditioning system can also include the second expansion switch
Valve 606, the entrance of this second expansion switch valve 606 and the outlet of outdoor heat exchanger 605, this second expansion switch valve 606
Outlet connect with the entrance of indoor evaporator 602, wherein, throttling branch road is the throttling runner of the second expansion switch valve 606, the
Three-way flow branch road is the through-flow runner of the second expansion switch valve 606.
For convenience pipeline lay, save space take it is preferable that this utility model provide heat pump type air conditioning system in
Expand switch valve 603 and the second expansion switch valve 606 using first, i.e. the embodiment shown in Fig. 3.
Fig. 4 and Fig. 5 shows the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model.
Wherein, this heat pump type air conditioning system can also include gas-liquid separator 611, wherein, the outlet of indoor evaporator 602 and gas-liquid separation
The entrance connection of device 611, the outlet of gas-liquid separator 611 is connected with the entrance of compressor 604.So, through indoor evaporator 602
The cold-producing medium flowing out can first pass around gas-liquid separator 611 and carry out gas-liquid separation, and the gas isolated is back to compressor again
In 604, thus preventing liquid refrigerant from entering into compressor 604 and damaging compressor 604, such that it is able to extend compressor 604
Service life, and improve the efficiency of whole heat pump type air conditioning system.
The heat pump type air conditioning system to describe this utility model offer below by taking Fig. 4 and Fig. 5 as a example in detail is in different works
Cyclic process under operation mode and principle.It should be appreciated that other embodiment (for example, the embodiment party shown in Fig. 1 to Fig. 3
Formula) under system circulation process and principle be similar to Fig. 4 and Fig. 5, just no longer repeat one by one herein.
Pattern one：High-temperature refrigeration pattern.As shown in figure 4, system in this mode when, whole system formed one high
Warm cooling cycle system.First, the gas of High Temperature High Pressure discharged by compressor 604 through overcompression, and first switch valve 620 is opened, the
Two switch valves 621 cut out, and compressor 604 outlet is connected to the first expansion switch valve 603.Now, wind is controlled by air door mechanism
Without indoor condenser 601, due to calm process, also no cold-producing medium passes through, and therefore, will not enter indoors in condenser 601
Row heat exchange, this indoor condenser 601 is not involved in kind of refrigeration cycle.Compressor 604 is exported and is connected with the first expansion switch valve 603,
Now first expands switch valve 603 switches valve action, is only used as runner and flows through, and now the first expansion switch valve 603 exports still
Gas for High Temperature High Pressure.First expansion switch valve 603 is exported and is connected with outdoor heat exchanger 605, outdoor heat exchanger 605 and outdoor
Air heat-exchange, is dispersed in the air heat, and outdoor heat exchanger 605 exports the liquid for middle temperature high pressure.Outdoor heat exchanger 605 goes out
Mouth is connected with the second expansion switch valve 606, and now second expands 606 expansion valve actions of switch valve, plays as restricting element
Throttling action, it exports as Low temperature low pressure liquid.Second expansion switch valve 606 aperture can give certain according to the actual requirements
Aperture, this aperture can according to the pressure between the entrance of the outlet being arranged on indoor evaporator 602 and gas-liquid separator 611-
The pressure and temperature gathered data of temperature sensor calculates Refrigerant Superheat at Evaporator Outlet to adjust.Second expansion switch valve
606 outlets are connected with the entrance of indoor evaporator 602, and Low temperature low pressure liquid is evaporated in vaporizer 602 indoors so that room
Interior vaporizer 602 exports the gas for low-temp low-pressure.Indoor evaporator 602 is connected with gas-liquid separator 611, be not evaporated
Liquid passes through gas-liquid separator 611 and separates, and the gas of last low-temp low-pressure returns in compressor 604, is consequently formed a circulation.
Now the flow direction of HVAC assembly 600 apoplexy flows only through indoor evaporator 602, the calm process of indoor condenser 601.
Pattern two：Low temperature heating pattern.As shown in figure 5, system in this mode when, whole system formed one low
Warm heating circulation system.First, the gas of High Temperature High Pressure discharged by compressor 604 through overcompression, and first switch valve 620 cuts out, the
Two switch valves 621 are opened, and the outlet of compressor 604 is connected with indoor condenser 601, the gas condenser indoors of High Temperature High Pressure
Condensed in 601 so that indoor condenser 601 exports the liquid for middle temperature high pressure.Indoor condenser 601 outlet is swollen with first
Swollen switch valve 603 is connected, and now the first expansion switch valve 603 plays the effect of expansion valve, plays throttling action as restricting element,
It exports the liquid for low-temp low-pressure.Wherein, first expansion switch valve 603 aperture can give according to the actual requirements certain
Aperture, this aperture can according to the temperature acquisition data of the pressure-temperature sensor in the exit being arranged on compressor 604 (i.e.
Compressor exhaust temperature) number adjusting.First expansion switch valve 603 is exported and is connected with outdoor heat exchanger 605, outdoor heat exchange
Device 605 absorbs the heat of outdoor air, and outdoor heat exchanger 605 exports the gas for low-temp low-pressure.Outdoor heat exchanger 605 outlet with
Second expands switch valve 606 is connected, and now the second expansion switch valve 606 plays the effect of switch valve, is only used as a runner and flows through.
Second expansion switch valve 606 is exported and is connected with the entrance of indoor evaporator 602.Wind is controlled only to flow to by air door mechanism indoor cold
Condenser 601 and do not flow to indoor evaporator 602 so that not carrying out heat exchange in indoor evaporator 602, being only used as a runner makes
With its outlet is still the gas of low-temp low-pressure.Indoor evaporator 602 is connected with gas-liquid separator 611, the liquid not being evaporated
Separated by gas-liquid separator 611, the gas of last low-temp low-pressure returns in compressor 604, is consequently formed a circulation.Now
The flow direction of HVAC assembly 600 apoplexy flows only through indoor condenser 601, the calm process of indoor evaporator 602, is only used as cold-producing medium stream
Road flows through.
Pattern three：Refrigeration and heating pattern simultaneously.As shown in figure 5, system in this mode when, whole system formed one
Individual refrigeration and heating open cycle system simultaneously.First, compressor 604 discharges the gas of High Temperature High Pressure, first switch valve through overcompression
620 closings, second switch valve 621 is opened, and the outlet of compressor 604 is connected with indoor condenser 601, and the gas of High Temperature High Pressure exists
Condensed in indoor condenser 601 so that indoor condenser 601 exports the liquid for middle temperature high pressure.Indoor condenser 601 goes out
Mouth is connected with the first expansion switch valve 603, and now the first expansion switch valve 603 plays the effect of expansion valve, rises as restricting element
To throttling action, it exports as Low temperature low pressure liquid.Wherein, the aperture of the first expansion switch valve 603 can be according to the actual requirements
Give certain aperture, this aperture can be adopted according to the temperature of the pressure-temperature sensor in the exit being arranged on compressor 604
Collection data (i.e. compressor exhaust temperature) number adjusting.First expands switch valve 603 outlet and outdoor heat exchanger 605 phase
Even, outdoor heat exchanger 605 exports the liquid for low-temp low-pressure, so that it is exported still by incomplete evaporation and keep Low temperature low pressure liquid
State.Outdoor heat exchanger 605 is exported and is connected with the second expansion switch valve 606, and now second expands 606 expansion valves of switch valve
Effect, throttles once as restricting element again.Second expansion switch valve 606 is exported and is connected with indoor evaporator 602, low-temp low-pressure
Liquid be evaporated so that indoor evaporator 602 exports the gas for low-temp low-pressure in vaporizer 602 indoors.Indoor steaming
Send out device 602 to be connected with gas-liquid separator 611, the liquid not being evaporated is passed through gas-liquid separator 611 and separates, last low-temp low-pressure
Gas return in compressor 604, be consequently formed a circulation.Now the flow direction of HVAC assembly 600 apoplexy simultaneously flows through interior
Condenser 601 and indoor evaporator 602.
Pattern four：Outdoor heat exchanger defrosting mode.As shown in figure 4, first, it is high that compressor 604 discharges high temperature through overcompression
The gas of pressure, first switch valve 620 is opened, and second switch valve 621 cuts out, and indoor condenser 601 is not involved in circulating.Now, press
The outlet of contracting machine 604 is connected to the first expansion switch valve 603, and first expands switch valve 603 switches valve action, is only used as runner
Flow through, now the first expansion switch valve 603 exports the still gas for High Temperature High Pressure.First expands switch valve 603 outlet and outdoor
Heat exchanger 605 is connected, outdoor heat exchanger 605 and outdoor air heat exchange, heat is dispersed in the air, outdoor heat exchanger 605 goes out
Mouth is the liquid of middle temperature high pressure.Outdoor heat exchanger 605 is exported and is connected with the second expansion switch valve 606, and now second expands switch
Valve 606 plays the effect of expansion valve, plays throttling action as restricting element, and it exports as Low temperature low pressure liquid.Second expands
Close valve 606 aperture and can give certain aperture according to the actual requirements, this aperture can be according to being arranged on indoor evaporator 602
The pressure and temperature gathered data of the pressure-temperature sensor between outlet and the entrance of gas-liquid separator 611 calculates vaporizer
Export refrigerant superheat degree to adjust.Second expansion switch valve 606 is exported and is connected with indoor evaporator 602, indoor evaporator 602
Export the gas for low-temp low-pressure.Indoor evaporator 602 is connected with gas-liquid separator 611, and the liquid not being evaporated is passed through gas
Liquid/gas separator 611 separates, and the gas of last low-temp low-pressure returns in compressor 604, is consequently formed a circulation.
In sum, the heat pump type air conditioning system that this utility model provides, in the case of not changing refrigerant cycle direction
Can achieve automotive air-conditioning system refrigeration and heat, outdoor heat exchanger defrosting function, and the need of refrigeration and heating simultaneously can be met
Ask.During outdoor heat exchanger bypass defrosting, remain to meet in-car heating demand.In this utility model, room in HVAC assembly
The flow direction of interior vaporizer and indoor condenser individually can be controlled to adjust by air door mechanism, flows only through room during the flow direction refrigeration of wind
Interior vaporizer, the calm process of indoor condenser, it is only used as refrigerant flow path and flow through；Indoor condenser is flowed only through during heating, indoor
The calm process of vaporizer, is only used as refrigerant flow path and flows through；Need simultaneously refrigeration and heating when can change changes in temperature air door as needed
Aperture i.e. can achieve difference air-out demands.Further, since heat pump type air conditioning system of the present utility model changes only with an outdoor
Hot device, therefore, it is possible to reduce the windage of front-end module, solves the no pure electric vehicle of engine exhaust heat blood circulation or mixed
Close power car using electric-only mode automobile heat pump air-conditioning system heating efficiency low, cannot meet defrosting-defogging laws and regulations requirement,
The problems such as install complicated, reduces energy consumption, simplied system structure, facilitates the effect of pipeline arrangement.Additionally, this utility model
In, according to different mode of operations, indoor condenser can optionally participate in circulation, improves making of indoor condenser
Use the life-span.The heat pump type air conditioning system that this utility model provides has the simple feature of structure, is thus susceptible to produce in batches.
Under low temperature heating pattern and simultaneously refrigeration and heating pattern, in order to improve heating ability it is preferable that as Fig. 6 and
Shown in Fig. 7, whole heat pump type air conditioning system is provided with plate type heat exchanger 612, this plate type heat exchanger 612 is also disposed in simultaneously
In the electromotor cooling system of electric automobile.As such, it is possible to utilize the waste heat of electromotor cooling system to air conditioning system refrigerant heat,
Thus suction temperature and the inspiration capacity of compressor 604 can be improved.
For example, as shown in fig. 6, adopt the embodiment of expansion valve 609 and the 3rd switch valve 610 in heat pump type air conditioning system
In, plate type heat exchanger 612 can be arranged in the second through-flow branch road as shown in Figure 6.For example, in one embodiment, board-like
The refrigerant inlet 612a of heat exchanger 612 and the outlet of outdoor heat exchanger 605, the refrigerant outlet of plate type heat exchanger 612
612b is connected with the entrance of second switch valve 610.Or, (not shown) in another embodiment, plate type heat exchanger 612
Refrigerant inlet 612a can also with the outlet of the 3rd switch valve 610, the refrigerant outlet 612b of plate type heat exchanger 612 with
The entrance connection of indoor evaporator 602.
Meanwhile, plate type heat exchanger 612 is simultaneously located in electromotor cooling system.As shown in fig. 6, electromotor cooling system
Motor, motor radiator 613 and the water pump 614 to form loop of connecting with plate type heat exchanger 612 can be included.So, freeze
Agent can carry out heat exchange by plate type heat exchanger 612 with the coolant in electromotor cooling system.Cold-producing medium is through the 3rd switch
After valve 610 and indoor evaporator 602, return in compressor 604.
Or, as shown in fig. 7, adopting in the embodiment of the second expansion switch valve 606 in heat pump type air conditioning system, board-like change
The outlet of the refrigerant inlet 612a of hot device 612 and second expansion switch valve 606, the cold-producing medium of plate type heat exchanger 612 goes out
Mouth 612b is connected with the entrance of indoor evaporator 602, and plate type heat exchanger 612 is simultaneously located at the motor cooling of electric automobile
In system.So, cold-producing medium can carry out heat exchange by plate type heat exchanger 612 with the coolant in electromotor cooling system.
By plate type heat exchanger 612, air conditioning system can be improved in low temperature heating pattern and refrigeration and heating pattern simultaneously
Under heating ability.
But, the heat pump type air conditioning system shown in Fig. 7 adopts in the embodiment of the second expansion switch valve 606, in order to keep away
Exempt to carry out the heating of cold-producing medium under high-temperature refrigeration pattern and outdoor heat exchanger defrosting mode, can be controlled whether using valve
Carry out heat exchange in plate type heat exchanger 612.Specifically, electromotor cooling system can include coolant main line 616, first cooling
Liquid branch road 617 and the second coolant branch road 618, wherein, the first end on coolant main line 616 is optionally propped up with the first coolant
The first end connection of the first end on road 617 or the second coolant branch road 618.For example, in one embodiment, coolant main line
616 first end can be connected with the import 615a of the second three-way valve 615, and the first end of the first coolant branch road 617 can be with
The first outlet 615b connection of the second three-way valve 615, the first end of the second coolant branch road 618 can be with the second three-way valve 615
Second outlet 615c connection, thus, by this second three-way valve 615, the first end on coolant main line 616 can be controlled to select
Property ground connect with the first end of the first coolant branch road 617 or the first end of the second coolant branch road 618.Additionally, as Fig. 7 institute
Show, the second end of the first coolant branch road 617 is connected with second end on coolant main line 616, and the second coolant branch road 618
The second end also connect with second end on coolant main line 616, wherein, coolant main line 616 is in series with motor, motor dissipate
Hot device 613 and water pump 614, are in series with plate type heat exchanger 612 on the first coolant branch road 617.
So, when air conditioning system is operated in low temperature heating pattern or simultaneously under refrigeration and heating pattern, now in order to improve
Heating ability, needs in plate type heat exchanger 612, cold-producing medium to be heated.Therefore, in such a case, it is possible to pass through to control
Second three-way valve 615 makes the first coolant branch road 617 turn on, and thus, the coolant in cooling system flows through plate type heat exchanger
612, at this point it is possible to realize the heat exchange with cold-producing medium.However, when system is operated in high-temperature refrigeration pattern or outdoor heat exchanger removes
When under white pattern, now do not need in plate type heat exchanger 612, cold-producing medium to be heated.Therefore, in such a case, it is possible to
By controlling the second three-way valve 615 so that the second coolant branch road 618 turns on, thus, the coolant in cooling system is not passed through
Plate type heat exchanger 612, plate type heat exchanger 612 flows through as just the runner of cold-producing medium.
In the heat pump type air conditioning system that this utility model provides, the various refrigeration such as R134a, R410a, R32, R290 can be used
Agent, preferentially selects high temperature cold-producing medium.
Fig. 8 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model.As Fig. 8 institute
Show, HVAC assembly 600 can also include ptc heater 619, this ptc heater 619 is used for flowing through indoor condenser 601
Wind is heated.
In this utility model, ptc heater 619 can be high pressure PTC (being driven by car load high-tension battery), voltage model
Enclose：200V-900V.Or, ptc heater 619 can also be low pressure PTC (driving of 12V or 24V accumulator), voltage range：
9V-32V.In addition, one that this ptc heater 619 can be made up of several or several pieces of PTC-ceramic piece modules and radiating fin
The PTC-ceramic piece module of complete core body or the strip with radiating fin or bulk.
In this utility model, this ptc heater 619 can arrange the windward side of condenser 601 or leeward side indoors.
And, in order to improve the heats to the wind flowing through indoor condenser 601, this ptc heater 619 can be with indoor condenser
601 be arranged in parallel.In other embodiments, this ptc heater 619 can also be arranged in blowing of the casing of HVAC assembly 600
At foot air port and defrosting outlet, can also be arranged at the air port of defrosting duct.
If ptc heater 619 to be arranged in windward side or the leeward side of casing interior room inner condenser 601, cold with interior
Condenser 601 is arranged in parallel, can grooving on casing housing, ptc heater 619 is inserted perpendicularly into puts casing into it is also possible to indoors
Welding support on condenser 601 side plate, ptc heater 619 is fixed by screws on the support of indoor condenser 601.If
Ptc heater 619 is arranged in the blowing at foot air port and defrosting outlet of casing, or is arranged at the air port of defrosting duct, can lead to
Cross screw to be directly anchored at casing air outlet and the air port of wind passage mouth.
By this embodiment, when the outer temperature of car is too low, when the heating capacity of heat pump low temperature heating is unsatisfactory for in-car demand,
Ptc heater 619 auxiliary heating heating can be run, when thus can eliminate heat pump type air conditioning system low-temperature heating, heating capacity is little, whole
Car defrosting-defogging is slow, the defect such as heating effect is not good.
As described above, in this utility model, expanding switch valve is to have expansion valve function and switch valve function simultaneously
Valve, can be regarded as being switch valve integrated with expansion valve.Will be provided below a kind of example expanding switch valve in fact
Apply mode.
As shown in figure 9, expansion switch valve mentioned above can include valve body 500, wherein, this valve body 500 is formed with
Import 501, the outlet 502 and connection inner flow passage between import 501 and outlet 502, inner flow passage is provided with first
Valve element 503 and the second valve element 504, the first valve element 503 makes import 501 directly connect or disconnect connection, the second valve with outlet 502
Core 504 makes import 501 connect by restriction 505 with outlet 502 or disconnect connection.
Wherein, " directly the connecting " that the first valve element is realized refers to that the coolant of import 501 entrance from valve body 500 is permissible
Cross the first valve element and pass through the outlet 502 that inner flow passage insusceptibly flows directly to valve body 500, the first valve element is realized
" disconnecting connection " refers to that the coolant entering from the import 501 of valve body 500 cannot be crossed the first valve element and can not flow by inside
Road flows to the outlet 502 of valve body 500." being connected by restriction " that second valve element is realized refers to the import 501 from valve body 500
The coolant entering can be crossed the second valve element and flow to the outlet 502 of valve body 500 after the throttling of restriction, and the second valve
" disconnect connection " that core is realized refer to the coolant entering from the import 501 of valve body 500 cannot cross the second valve element and can not
Flow to the outlet 502 of valve body 500 by restriction 505.
So, by the control to the first valve element and the second valve element, expansion switch valve of the present utility model so that from
Three kinds of states at least realized by the coolant that import 501 enters.That is, 1) cut-off state；2) cross the direct connection of the first valve element 503
State；And 3) cross the throttling mode of communicating of the second valve element 504.
Wherein, the liquid refrigerant of High Temperature High Pressure, again after restriction 505 throttling, can become the vaporific of low-temp low-pressure
Hydraulic pressure cold-producing medium, can be cold-producing medium evaporation create conditions, that is, the cross-sectional area of restriction 505 be less than outlet 504 horizontal stroke
Sectional area, and by controlling the second valve element, the aperture size of restriction 505 can be adjusted, with controlling stream through restriction 505
Flow, prevents the refrigeration deficiency because of the very few generation of cold-producing medium, and prevents from making compressor produce liquid hammer because cold-producing medium is excessive
Phenomenon.That is, the cooperation of the second valve element 504 and valve body 500 is so that expand the function that switch valve has expansion valve.
So, by the first valve element 503 and the second valve element 504 are installed on the inner flow passage of same valve body 500, to realize
The break-make of import 501 and outlet 502 controls and/or throttling control function, and structure is simply it is easy to producing and installing, and works as this reality
When being applied to heat pump with the expansion switch valve of new offer, it is possible to reduce the refrigerant charge of whole heat pump, fall
Low cost, simplifies pipeline and connects, the more conducively oil return of heat pump.
As a kind of exemplary inner mounting structure of valve body 500, as shown in Fig. 9 to Figure 14, valve body 500 includes being formed
The valve seat 510 of inner flow passage and the first valve casing 511 being arranged on this valve seat 510 and the second valve casing 512, in the first valve casing 511
The first electromagnetic drive part 521 for driving the first valve element 503 is installed, is provided with the second valve casing 512 for driving second
Second electromagnetic drive part 522 of valve element 504, the first valve element 503 extends to the inner flow passage in valve seat 510 from the first valve casing 511,
Second valve element 504 extends to the inner flow passage in valve seat 510 from the second valve casing 512.
Wherein, by the first electromagnetic drive part 521, e.g., solenoid, the control of power on/off can easily control
The position of the first valve element 503, and then control import 501 directly to connect with outlet 502 or disconnect connection；By driving to the second electromagnetism
Dynamic portion 522, e.g., solenoid, the control of power on/off can easily control the position of the second valve element 504, thus control into
Whether mouth 501 is connected with restriction 505 with outlet 502.In other words, it has been installed in parallel total import 501 and outlet in valve body 500
502 electric expansion valve and electromagnetic valve it is thus possible to realize expanding the break-make of switch valve and/or the Automated condtrol of throttling, and
Simplify pipeline trend.
For making full use of the locus of all directions expanding switch valve, it is to avoid expand switch valve and different pipeline connects
Produce and interfere, valve seat 510 is formed as polyhedral structure, the first valve casing 511, the second valve casing 512, import 501 and outlet 502 are respectively
It is arranged on the different surfaces of this polyhedral structure, wherein, the installation direction of the first valve casing 511 and the second valve casing 512 is mutually vertical
Directly, the opening direction of import 501 and outlet 502 is mutually perpendicular to.As such, it is possible to import, export pipeline are connected to polyhedron knot
On the different surfaces of structure, it can be avoided that pipeline arranges problem that is in disorder, tangling.
As expand switch valve a kind of typical internal structure, as shown in Fig. 9 to Figure 12, inner flow passage include respectively with
The first flow 506 of import 501 connection and second flow channel 507, first flow 506 are formed with and the first valve element 503 cooperation
First valve port 516, restriction 505 is formed in second flow channel 507 to be formed as the second valve port with the second valve element 504 cooperation
517, first flow 506 and second flow channel 507 are intersected in the downstream of the second valve port 517 and are connected with outlet 502.
That is, by converting the position of the first valve element 503 and realizing the closing to the first valve port 516 or open, and then control
Connection import 501 being blocked or turning on, such that it is able to realize above-described electromagnetic valve with the first flow 506 of outlet 502
Connection or the function of disconnecting connection.Similarly, realize cutting to the second valve port 517 by converting the position of the second valve element 504
Break or turn on, such that it is able to realize the throttling function of electric expansion valve.
First flow 506 and second flow channel 507 can be respectively communicated with import 501 and outlet with any appropriate arrangement
502, the entirety for reducing valve body 500 takes up room, and as shown in figure 13, second flow channel 507 is opened up in the same direction with outlet 502, and first
Runner 506 is formed as the orthogonal first through hole 526 with second flow channel 507, and import 501 is by being opened in second flow channel 507
The second through hole 527 on the wall of side is connected with second flow channel 507, and first through hole 526 and the second through hole 527 are connected respectively with import 501
Logical.Wherein, first through hole 526 or can be arranged in parallel in spatial vertical setting with the second through hole 527, and this utility model is to this
It is not restricted, belong among protection domain of the present utility model.
Entirety for simplifying valve body 500 further takes up room, as shown in Figure 16 to Figure 19, import 501 and outlet 502 phases
Mutually vertically it is opened on valve body 500.So, as shown in Figure 16 to Figure 18, the axis of import 501, outlet 502 axis (i.e.
The axis of second flow channel 507), and the axis of first flow 506 is vertically arranged two-by-two in space, thus preventing the first valve element
503 and second the mobile generation of valve element 504 interfere, and can substantially utilize the inner space of valve body 500.
As shown in Figure 12 and Figure 13, for ease of realizing the closing of the first valve port 516 and opening, the first valve element 503 is along movement
Direction and the first valve port 516 are coaxially laid selectively to block or to depart from the first valve port 516.
For ease of realizing the closing of the second valve port 517 and opening, the second valve element 504 is along moving direction and the second valve port 517
Coaxially lay selectively to block or to depart from the second valve port 517.
Wherein, as shown in figure 15, for ensureing the reliability that the first valve element 503 blocks, the first valve element to first flow 506
503 can include the first valve rod 513 and the first plug 523 being connected to this first valve rod 513 end, and this first plug 523 is used
To block first flow 506 on the end face being sealed against the first valve port 516.
For ease of adjusting the aperture size of the restriction 505 expanding switch valve, as shown in Figure 12 and Figure 13, the second valve element
504 include the second valve rod 514, and the end of this second valve rod 514 is formed as taper header structure, and the second valve port 517 is formed as and is somebody's turn to do
The taper pore structure that taper header structure matches.
Wherein, restriction 505 aperture expanding switch valve can be adjusted by the second moving up and down of valve element 504, and
Moving up and down of second valve element 504 can be adjusted by the second electromagnetic drive part 522.If expanding the restriction 505 of switch valve
Aperture be zero, as shown in figure 12, the second valve element 504 is in extreme lower position, the second valve element 504 block the second valve port 517, refrigeration
Agent can not pass through restriction 505, i.e. the second valve port 517 completely；If expanding switch valve restriction 505 there is aperture, as Figure 13 institute
Show there is between the taper header structure of the end of the second valve element 504 and restriction 505 space, flow to out again after cold-producing medium throttling
Mouth 502.When if desired increasing the throttle opening expanding switch valve, can be by controlling the second electromagnetic drive part 522 so that second
Valve element 504 moves up, so that taper header structure is away from restriction 505, thus the change realizing restriction 505 aperture is big；Phase
Instead, when the aperture needing to reduce the restriction 505 expanding switch valve, can order about mobile under the second valve element 504 phase.
During use, when only needing to the electromagnetic valve function using expansion switch valve, as shown in Figure 12, Figure 15 and Figure 18, the
One valve element 503 departs from the first valve port 516, and the first valve port 516 is in open mode, and the second valve element 504 is in extreme lower position, and second
Throttle orifice 505 is blocked by valve element 504, and the cold-producing medium flowing into inner flow passage from import 501 can not pass through throttle orifice completely
505, the first valve port 516 can only be passed sequentially through, first through hole 526 flows in outlet 502.When electromagnetic valve power-off, the first valve element
503 are moved to the left, and the first plug 523 and the first valve port 516 separate, and cold-producing medium can pass through from first through hole 526；Work as electromagnetism
Valve is energized, and the first valve element 503 moves right, and the first plug 523 and the first valve port 516 are fitted, and cold-producing medium cannot be from first through hole
Pass through in 526.
It should be noted that the dotted line with arrow in Figure 12 and Figure 18 represents cold-producing medium when using electromagnetic valve function
Flow route and trend.
When only needing to the electric expansion valve function using expansion switch valve, as shown in Figure 13 and Figure 19, the second valve port
517, that is, restriction 505 be in open mode, the first valve element 503 blocks the first valve port 516, flows into internal stream from import 501
The cold-producing medium in road cannot pass through first through hole 526, can only pass sequentially through the second through hole 527, restriction 505 flows into outlet 502
In, and the second valve element 504 can be moved up and down to adjust the size of the aperture of restriction 505.
It should be noted that the dotted line with arrow in Figure 13 and Figure 19 represents cold-producing medium using electric expansion valve function
When flow route and trend.
When needing simultaneously using the electromagnetic valve function of expanding switch valve and electric expansion valve function, such as Figure 10, Tu16He
Shown in Figure 17, wherein, the dotted line with arrow represents glide path and the trend of cold-producing medium, and the first valve element 503 departs from the first valve
Mouth 516, the first valve port 516 is in open mode, and restriction 505 is in open mode, and the cold-producing medium flowing into inner flow passage can
To flow to outlet 502 along first flow 506 and second flow channel 507 respectively, thus have electromagnetic valve function and electronic expansion simultaneously
Valve function.
It should be appreciated that above-mentioned embodiment as just expand switch valve one of which example, and and without
In limiting this utility model, other have expansion valve function simultaneously and the expansion switch valve of switch valve function is equally applicable to this reality
With new.
This utility model also provides a kind of electric automobile, including the above-mentioned heat pump air conditioner system being provided according to this utility model
System.Wherein, this electric automobile can include pure electric automobile, hybrid vehicle, fuel cell car.
Describe preferred implementation of the present utility model above in association with accompanying drawing in detail, but, this utility model does not limit
Detail in above-mentioned embodiment, in range of the technology design of the present utility model, can be to skill of the present utility model
Art scheme carries out multiple simple variant, and these simple variant belong to protection domain of the present utility model.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, this utility model is to each
Plant possible compound mode no longer separately to illustrate.
Additionally, combination in any can also be carried out, as long as it is not disobeyed between various different embodiment of the present utility model
Carry on the back thought of the present utility model, it equally should be considered as content disclosed in the utility model.
Describe preferred implementation of the present utility model above in association with accompanying drawing in detail, but, this utility model does not limit
Detail in above-mentioned embodiment, in range of the technology design of the present utility model, can be to skill of the present utility model
Art scheme carries out multiple simple variant, and these simple variant belong to protection domain of the present utility model.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, this utility model is to each
Plant possible compound mode no longer separately to illustrate.
Additionally, combination in any can also be carried out, as long as it is not disobeyed between various different embodiment of the present utility model
Carry on the back thought of the present utility model, it equally should be considered as content disclosed in the utility model.
Claims (14)
1. a kind of heat pump type air conditioning system is it is characterised in that described system includes：HVAC assembly (600), compressor (604), outdoor
Heat exchanger (605) and first expands switch valve (603), and described HVAC assembly (600) includes indoor condenser (601), indoor steaming
Send out device (602) and air door mechanism, described air door mechanism is used for selectively turning on the air channel leading to described interior condenser (601)
And/or leading to the air channel of described indoor evaporator (602), the egress selection ground of described compressor (604) is through-flow via first
Branch road is connected with the entrance of the described first expansion switch valve (603) or via the second through-flow branch road and described interior condenser
(601) entrance connection, the outlet of described interior condenser (601) is connected with the entrance of the described first expansion switch valve (603),
The outlet of described first expansion switch valve (603) is connected with the entrance of described outdoor heat exchanger (605), described outdoor heat exchanger
(605) egress selection ground is connected with the entrance of described indoor evaporator (602) via throttling branch road or three-way flow branch road,
The outlet of described indoor evaporator (602) is connected with the entrance of described compressor (604).
2. heat pump type air conditioning system according to claim 1 is it is characterised in that be provided with first on described first through-flow branch road
Switch valve (620), described second through-flow branch road is provided with second switch valve (621).
3. heat pump type air conditioning system according to claim 1 is it is characterised in that the outlet of described compressor (604) passes through the
One three-way valve (622) is optionally connected with the described first through-flow branch road or the second through-flow branch road.
4. heat pump type air conditioning system according to claim 1 is it is characterised in that be provided with the 3rd on described three-way flow branch road
Switch valve (610), described throttling branch road is provided with expansion valve (609).
5. heat pump type air conditioning system according to claim 4 is it is characterised in that described heat pump type air conditioning system is applied to electronic vapour
Car, and described heat pump type air conditioning system also includes：Plate type heat exchanger (612), wherein, described plate type heat exchanger (612) is arranged on
In described three-way flow branch road, and described plate type heat exchanger (612) is simultaneously located at the motor cooling system of described electric automobile
In system.
6. heat pump type air conditioning system according to claim 5 is it is characterised in that the cold-producing medium of described plate type heat exchanger (612)
Entrance and the outlet of described outdoor heat exchanger (605), the refrigerant outlet and the described 3rd of described plate type heat exchanger (612)
The entrance connection of switch valve (610).
7. the heat pump type air conditioning system according to claim 5 or 6 is it is characterised in that described electromotor cooling system includes and institute
State plate type heat exchanger (612) to connect to form motor, motor radiator (613) and the water pump (614) in loop.
8. heat pump type air conditioning system according to claim 1 it is characterised in that described heat pump type air conditioning system also to include second swollen
Swollen switch valve (606), this second expand switch valve (606) entrance and described outdoor heat exchanger (605) outlet, this
The outlet of two expansions switch valve (606) is connected with the entrance of described indoor evaporator (602), and described throttling branch road is described second
Expand the throttling runner of switch valve (606), described three-way flow branch road is the described second through-flow stream expanding switch valve (606)
Road.
9. heat pump type air conditioning system according to claim 8 is it is characterised in that described heat pump type air conditioning system is applied to electronic vapour
Car, and described heat pump type air conditioning system also includes：Plate type heat exchanger (612), wherein, the refrigeration of described plate type heat exchanger (612)
Outlet, the refrigerant outlet of described plate type heat exchanger (612) and institute that agent entrance expands switch valve (606) with described second
State the entrance connection of indoor evaporator (602), and described plate type heat exchanger (612) is simultaneously located at the electricity of described electric automobile
In machine cooling system.
10. system according to claim 9 is it is characterised in that described electromotor cooling system includes coolant main line
(616), the first coolant branch road (617) and the second coolant branch road (618), the first end choosing of described coolant main line (616)
Connect with the first end of described first coolant branch road (617) or the first end of described second coolant branch road (618) to selecting property,
Second end of the second end of described first coolant branch road (617) and described second coolant branch road (618) and described coolant
The second end connection on main line (616), wherein, is in series with motor, motor radiator (613) on described coolant main line (616)
With water pump (614), described first coolant branch road (617) is in series with described plate type heat exchanger (612).
11. heat pump type air conditioning systems according to claim 1 are it is characterised in that described heat pump type air conditioning system also includes gas-liquid
Separator (611), the outlet of described indoor evaporator (602) is connected with the entrance of described gas-liquid separator (611), described gas-liquid
The outlet of separator (611) is connected with the entrance of described compressor (604).
12. heat pump type air conditioning systems according to claim 1 are it is characterised in that described HVAC assembly (600) also includes PTC
Heater (619), this ptc heater (619) is used for the wind flowing through described interior condenser (601) is heated.
13. heat pump type air conditioning systems according to claim 12 are it is characterised in that described ptc heater (619) is arranged in institute
State windward side or the leeward side of indoor condenser (601).
A kind of 14. electric automobiles are it is characterised in that include the heat pump air conditioner system according to any one in claim 1-13
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620418187.1U CN205980091U (en) | 2016-05-10 | 2016-05-10 | Heat pump air conditioning system and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620418187.1U CN205980091U (en) | 2016-05-10 | 2016-05-10 | Heat pump air conditioning system and electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN205980091U true CN205980091U (en) | 2017-02-22 |
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ID=58019181
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620418187.1U Active CN205980091U (en) | 2016-05-10 | 2016-05-10 | Heat pump air conditioning system and electric automobile |
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| CN (1) | CN205980091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196461A (en) * | 2017-07-24 | 2017-09-22 | 北京金风科创风电设备有限公司 | Composite cooling system |
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2016
- 2016-05-10 CN CN201620418187.1U patent/CN205980091U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196461A (en) * | 2017-07-24 | 2017-09-22 | 北京金风科创风电设备有限公司 | Composite cooling system |
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