CN206141270U - Heat pump -type vehicle air conditioner with battery thermal management function - Google Patents
Heat pump -type vehicle air conditioner with battery thermal management function Download PDFInfo
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- CN206141270U CN206141270U CN201621221817.2U CN201621221817U CN206141270U CN 206141270 U CN206141270 U CN 206141270U CN 201621221817 U CN201621221817 U CN 201621221817U CN 206141270 U CN206141270 U CN 206141270U
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00899—Controlling the flow of liquid in a heat pump system
- B60H1/00907—Controlling the flow of liquid in a heat pump system where the flow direction of the refrigerant changes and an evaporator becomes condenser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H2001/00935—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices comprising four way valves for controlling the fluid direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H2001/00961—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices comprising means for defrosting outside heat exchangers
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses a heat pump -type vehicle air conditioner with battery thermal management function, include: main refrigerant circulation circuit, it is configured as the order that makes the refrigerant press heat exchanger in compressor, automobile external heat exchanger, expansion valve, the car and flows, perhaps is configured as the order that makes the refrigerant press heat exchanger in compressor, the car, expansion valve, automobile external heat exchanger and flows, the defrosting return circuit, it is configured as makes the refrigerant after the compressor compression, and flow through in proper order defrosting choke valve, automobile external heat exchanger, vapour and liquid separator get back to in the compressor again. The utility model provides a heat pump -type vehicle air conditioner with battery thermal management function has good defrosting effect, and defrost time is short, and in -car temperature is undulant little, has good travelling comfort.
Description
Technical field
The utility model is related to automobile air regulation technology field, has battery thermal management work(more particularly, to a kind of
The heat-pump-type air conditioning for automobiles of energy.
Background technology
Ev industry fast development, but due to battery behavior and the diversity of electric motor car applied environment, cause
Electric motor car at present is difficult to be widely used in severe cold area and hot area, or long-distance running.If the humidity of car external environment
Greatly, car external heat exchanger frosting can be caused, or even is frozen, so as to seriously hinder the heat exchange of car external heat exchanger, make heat pump air conditioner
Heating performance is significantly decayed rapidly, significantly affects heating effect, is even resulted in compressor of air conditioner and is broken down.For this need and
When defrosting process is carried out to car external heat exchanger.
Traditional Defrost mode is as follows in prior art：To make car external heat exchanger defrost, four-way change-over valve is switched to refrigeration
Circulation process, allows the refrigerant of HTHP that compressor is discharged to be drained in car external heat exchanger through four-way change-over valve, to melt
Frost layer or ice sheet on car external heat exchanger.
There is more drawback in traditional Defrost mode：
In-car evaporimeter absorbs in-car heat during defrosting, affects in-car comfortableness.Carried out using traditional defrosting mode
During defrosting, four-way change-over valve commutation, the temperature of in-car side heat exchanger is quickly reduced to less than -20 DEG C, and substantial amounts of low temperature liquid is cold
Matchmaker gathers side heat exchanger in the car, causes vehicle interior temperature to decline.Especially in cold winter, the outer machine defrosting time of car is longer, and
In-car to be radiated again relatively acutely by car body, vehicle interior temperature fluctuation can be bigger.According to comfortableness simulated experiment, vehicle interior temperature is maximum
More than 10 DEG C can be declined, in-car comfortableness has been had a strong impact on.
Retrieving hot blast needs longer time, totally unfavorable to in-car comfortableness.Traditional defrosting mode is unfavorable
In compressor reliability service.Using traditional defrosting mode, mainly refrigerant work done is defrosted using compressor.Into removing
When white, the suction temperature of compressor maintain less than -25 DEG C it is even lower, pressure of inspiration(Pi) is very low, is easy to cause liquid liquid hammer, right
The reliability service of compressor is unfavorable, affects the actual life of compressor.
Chinese Patent Application No. 201110207062.6 discloses a kind of combined type gas-water dual-heat-source heat type electric automobile
Air-conditioning system, solving the electric automobile air-conditioning system of current exploitation cannot normally heat and system of freezing when outdoor temperature is too low
System and electrical heating cooperate the excessive outstanding problem of electric automobile air-conditioning system pattern power consumption of operation.But it has seriously
Technological deficiency, defrosting effect is poor, it is impossible to meets and used under bad weather circumstances.
Utility model content
The purpose of this utility model is the defect for overcoming existing electric automobile automotive air-conditioning system defrosting effect difference, by carrying
For loop of defrosting, optimal defrosting effect is reached.
Another purpose of the present utility model is to overcome electric automobile air-conditioning system effectively to join with battery heat removal system
Dynamic defect, there is provided a kind of with the heat-pump-type air conditioning for automobiles with battery thermal management function.
The utility model is heated it is also an object that heating film heater by setting auxiliary to refrigerant line,
Refrigerant temperature is lifted, to improve defrosting effect.
The utility model provide technical scheme be：
A kind of heat-pump-type air conditioning for automobiles with battery thermal management function, including：
Main refrigerant circuit loop, it is configured so that cold-producing medium by compressor, car external heat exchanger, expansion valve, in-car
The sequential flowing of heat exchanger, or it is configured so that cold-producing medium by compressor, in-car heat exchanger, expansion valve, car external heat exchanger
Sequential flowing；
Defrosting loop, it is configured so that cold-producing medium Jing after compressor compression, flows through changed outside defrosting choke valve, car successively
Hot device, gas-liquid separator, in returning compressor.
Preferably, in the main refrigerant circuit loop, auxiliary heating is provided between car external heat exchanger and expansion valve
Film heater, will flow through the refrigerant heat between car external heat exchanger and expansion valve.
Preferably, also including the first battery heat-exchanging loop, it is configured to make cooling water in the presence of water pump, recycle stream
Jing the first battery heat exchangers and battery heat exchange module；The first battery heat exchanger is linked in main refrigerant circuit loop, is made
First battery heat exchanger is in parallel with in-car heat exchanger, makes the refriger-ant section or whole that original flows through in-car heat exchanger flow through first electric
Pond heat exchanger, makes cold-producing medium carry out heat exchange with cooling water.
Preferably, also including the second battery heat-exchanging loop, it is configured to make cooling water in the presence of water pump, recycle stream
Jing the second battery heat exchangers and battery heat exchange module；The second battery heat exchanger can be by air dielectric and car external heat exchanger
Carry out heat exchange.
Preferably, the pump outlet is connected with three-way valve, and by the three-way valve commutation cooling current are made
Jing the first battery heat-exchanging loops or the second battery heat-exchanging loop.
Preferably, also including ptc heater, it is used to again heat with the air after the heat exchange of in-car heat exchanger.
Preferably, also including tonifying Qi loop, it is configured such that cold-producing medium in main refrigerant circuit, outside car
Shunt between heat exchanger and in-car heat exchanger, make the cold-producing medium after shunting return to compressor.
Preferably, the tonifying Qi loop includes：
Tonifying Qi choke valve, for reducing the refrigerant pressure after shunting；
Intermediate Heat Exchanger, it is configured to make the cold-producing medium after shunting return again after being exchanged heat with the external world in Intermediate Heat Exchanger
In returning to compressor.
Beneficial effect described in the utility model is：The heat-pump-type with battery thermal management function that the utility model is provided
Air conditioning for automobiles, with good defrosting effect, defrosting time is short, and vehicle interior temperature fluctuation is little, with good comfortableness.Can be
At a temperature of outdoor ultra-low temperature surroundings while uninterrupted heat supply, the synchronous high-efficiency defrosting of Cryogenic air heat source side is carried out, can be preferable
Ground solves the excessive discharge temperature of compressor, heating capacity obvious not enough, car when pump type heat electric automobile air conditioner worst cold case runs
The difficult problems such as outer low-temperature heat source heat exchanger surface defrosting difficulty.The utility model is exchanged heat back by main refrigerant circuit loop and battery
Exchanged heat between road, to ensure that battery works in operating temperature range.
Description of the drawings
Fig. 1 is that the heat-pump-type air conditioning for automobiles general structure with battery thermal management function described in the utility model is illustrated
Figure.
Fig. 2 is summer described in the utility model in-car cooling mode operating condition schematic diagram.
Fig. 3 is summer described in the utility model in-car refrigeration power cell refrigerating mode working state schematic representation.
Fig. 4 is air-conditioning refrigerant cooling work view for the independent refrigerating mode of battery described in the utility model.
It is ambient wind cooling work view that Fig. 5 is the independent refrigerating mode 1 of battery described in the utility model.
Fig. 6 is not tonifying Qi heating mode working state schematic representation described in the utility model.
Fig. 7 is tonifying Qi heating mode working state schematic representation described in the utility model.
Fig. 8 heats battery refrigerating mode working state schematic representation for in-car described in the utility model.
Fig. 9 is battery described in the utility model preheating in-car heating mode working state schematic representation simultaneously.
Figure 10 heats battery refrigerating mode working state schematic representation for in-car described in the utility model.
Figure 11 is most severe defrosting mode working state schematic representation described in the utility model.
Figure 12 is most severe defrosting mode working state schematic representation described in the utility model.
Figure 13 is synchronously operated view for described in the utility model heating with defrosting.
Figure 14 is that heating film carries out heating defrosting working state schematic representation for heating mode described in the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
As shown in figure 1, the utility model provides a kind of heat-pump-type air conditioning for automobiles with battery thermal management function, including
Compressor 1, cross valve 2, auxiliary heating film heater 3, car external heat exchanger 4, fan 5, check valve 6, check valve 7, check valve 8,
Check valve 9, liquid storage dryer 10, tonifying Qi magnetic valve 11, tonifying Qi choke valve 12, Intermediate Heat Exchanger 13, bypass solenoid valve 14, expansion
Valve 15, magnetic valve 16, ptc heater 17, in-car heat exchanger 18, the first battery heat exchanger 19, magnetic valve 20, fan 21, water pump
22nd, battery heat exchange module 23, gas-liquid separator 24, flow control valve 25, magnetic valve 26, the second battery heat exchanger 28, defrosting electricity
Magnet valve 29, choke valve 30, triple valve 32.
Wherein, constituted by equipment such as compressor 1, cross valve 2, car external heat exchanger 4, expansion valve 15, in-car heat exchangers 18
Main refrigerant circuit loop, make cold-producing medium by compressor 1, car external heat exchanger 4, expansion valve 15, in-car heat exchanger 18 sequential flow
It is dynamic, carry out kind of refrigeration cycle, or according to compressor 1, in-car heat exchanger 18, expansion valve 15, car external heat exchanger 4 sequential flowing,
Carry out heat pump and heat circulation.
The utility model can realize multiple-working mode by switch valve, to meet different demands, mode of operation
It is as follows：
1st, summer in-car refrigeration mode：As shown in Fig. 2 the high-temperature high-pressure refrigerant Jing after compressor 1 compresses is through four-way
The port d of valve 2 is entered, and then the port b through cross valve 2 flows out (standard-sized sheet of flow control valve 25, valve 20 is closed), into outside car
Heat exchanger 4 (condenser), after flow through with auxiliary heating film heater 3 (now not heating) pipeline, then through check valve
6, into liquid storage dryer 10, subsequently into magnetic valve 16 (magnetic valve 26 is closed), the then throttling through expansion valve 15 becomes
The cold-producing medium of low-pressure low-temperature, through heat exchanger 18 into the car of check valve 9, the heat of refrigerant suction air into the car becomes
Then low-pressure superheated steam exits into gas-liquid separator 24 subsequently into the port c of cross valve 2 by the port a of cross valve,
Compressor 1 is then return to, kind of refrigeration cycle is realized.
2nd, summer in-car refrigeration power cell refrigerating mode：As shown in figure 3, the high-temperature high-pressure refrigerant Jing after compressor 1 compresses
Enter through the port d of cross valve 2, then the port b through cross valve 2 flows out, into car external heat exchanger 4 (condenser), after
The pipeline with auxiliary heating film heater 3 (now not heating) is flowed through, then through check valve 6, into liquid storage dryer 10,
Subsequently into magnetic valve 16 (magnetic valve 26 is closed), the then throttling through expansion valve 15 becomes the cold-producing medium of low-pressure low-temperature, Jing
Check valve 9 is crossed, (flow control valve 25 is opened, and magnetic valve 20 is opened) part of refrigerant heat exchanger 18 into the car, cold-producing medium
The heat for being absorbed into in-car air becomes port c of the low-pressure superheated steam subsequently into cross valve 2, then by cross valve
Port a exits into gas-liquid separator 24, is then return to compressor 1, realizes kind of refrigeration cycle；Another part cold-producing medium passes through electromagnetism
Valve 20 enters the first battery heat exchanger 19 and absorbs heat from battery system circulation fluid, becomes wet body in low pressure, subsequently into four
The c ports of port valve 2, then exit into gas-liquid separator 24 by the port a of cross valve, are then return to compressor 1.Battery is followed
Ring liquid is circulated in the presence of water pump 22, radiates to cold-producing medium in the first battery heat exchanger 19, realizes to battery
Cooling.
3.1st, the independent refrigerating mode of battery (air-conditioning refrigerant cooling)：As shown in figure 4, the high temperature Jing after compressor 1 compresses
High-pressure refrigerant is entered through the port d of cross valve 2, and then the port b through cross valve 2 flows out, into car external heat exchanger 4
(condenser), after flow through with auxiliary heating film heater 3 (now not heating) pipeline, then through check valve 6, into storage
Liquid drier 10, subsequently into magnetic valve 16 (magnetic valve 26 is closed), the then throttling through expansion valve 15 becomes low-pressure low-temperature
Cold-producing medium, through check valve 9, (flow control valve 25 is closed), cold-producing medium by magnetic valve 20 enter heat exchanger 19 from battery
System circulation liquid absorbs heat, becomes wet body in low pressure, subsequently into the c ports of cross valve 2, then by the end of cross valve
Mouth a exits into gas-liquid separator 24, is then return to compressor 1.Circulating battery liquid is circulated in the presence of water pump 22,
Radiate to cold-producing medium in the first battery heat exchanger 19, realize the cooling to battery.
The independent refrigerating mode 1 of 3.2 batteries (environment air cooling)：As shown in figure 5, at low ambient temperatures, electricity
Pond circulation fluid flows to the second battery heat exchanger 28 under the driving of water pump 22 by the control of triple valve, and the outer air of car is in fan 5
In the presence of the second battery heat exchanger 28 is cooled down, the liquid for having cooled down enter battery heat exchange module 23, realize to battery
Cooling.
4th, not tonifying Qi heating mode：As shown in fig. 6, the cold-producing medium compressed via compressor 1 enters from the port d of cross valve 2
Enter, flow out from c mouths, by heat exchanger 18 (condenser) into the car of flow control valve 25, to after air radiating into the car
Subcooled liquid is condensed into, by check valve 8 into liquid storage dryer 10, magnetic valve 16 (magnetic valve 26 is closed), expansion valve 15 drops
The cold-producing medium of low-temp low-pressure is pressed into, Jing check valves 7 flow through the pipeline with auxiliary heating film heater 3 (now not heating), so
Flow into car external heat exchanger 4 afterwards, absorb the atmospheric heat outside car, then enter through the b ports of cross valve 2, from a ports flow out into
Enter gas-liquid separator 24, subsequently into compressor 1, realization heats circulation.
5th, tonifying Qi heating mode：As shown in fig. 7, the cold-producing medium compressed via compressor 1 is entered from the port d of cross valve 2,
In-car heat exchanger 18 (condenser) is exited into from c mouths, subcooled liquid is condensed into after air radiating into the car, by list
Liquid storage dryer 10 is entered to valve 8, then a part flows through Intermediate Heat Exchanger 13 (magnetic valve 16 is closed), in Intermediate Heat Exchanger 13
Middle to flow through magnetic valve 26 to the radiating of tonifying Qi gas, expanded valve 15 is depressured into the cold-producing medium of low-temp low-pressure, flows Jing after check valve 7
Pipelines of the Jing with auxiliary heating film heater 3 (now not heating), into car external heat exchanger 4, absorbs the atmospheric heat outside car,
Subsequently into the b ports of cross valve 2, gas-liquid separator 24 is exited into from a ports, subsequently into compressor 1, realization is heated and followed
Ring；Another part is become middle low-temperature low-pressure refrigerant after tonifying Qi magnetic valve 11 by after the regulation of tonifying Qi choke valve 12, in flowing through
Between heat exchanger 13 absorb cold-producing medium heat from drier 10 directly through Intermediate Heat Exchanger 13, become the middle temperature cold-producing medium of low pressure,
Compressor is then return to, tonifying Qi is carried out to compressor.
6th, complete battery preheating mode：As shown in figure 8, the cold-producing medium compressed via compressor 1 is from the port d of cross valve 2
Into, the first battery heat exchanger 19 (flow control valve 25 is closed) is exited into from c mouths, it is cold to after battery bag radiating circulating fluid
Congeal into subcooled liquid, by magnetic valve 20, then enters liquid storage dryer 10 by check valve 8, and (magnetic valve 11 is closed magnetic valve 16
Close), expansion valve 15 is depressured into the cold-producing medium of low-temp low-pressure, and Jing check valves 7 are flowed through with auxiliary heating film heater 3 (now not
Heating) pipeline, then flow into car external heat exchanger 4, absorb the atmospheric heat outside car, then enter through the b ports of cross valve 2
Enter, from a ports gas-liquid separator 24 is exited into, subsequently into compressor 1, realization heats circulation.Battery system water pump 22 is transported
The heat that driving cycle liquid passes through the absorption refrigeration agent of the first battery heat exchanger 19, is dissipated by battery heat exchange module 23 to battery
Heat, improves battery temperature.
7th, battery preheating is while in-car heating mode：As shown in figure 9, via the cold-producing medium of the compression of compressor 1 from cross valve 2
Port d enter, from c mouths flow out, be partly into the first battery heat exchanger 19 (flow control valve 25 is opened), follow to battery bag
Subcooled liquid is condensed into after ring liquid radiating, by magnetic valve 20, then liquid storage dryer 10, electromagnetism is entered by check valve 8
Valve 16 (magnetic valve 11 is closed), expansion valve 15 is depressured into the cold-producing medium of low-temp low-pressure, and Jing check valves 7 are flowed through with auxiliary heating film
The pipeline of heater 3 (now not heating), then flows into car external heat exchanger 4, the atmospheric heat outside car is absorbed, then through four-way
The b ports of valve 2 enter, and from a ports gas-liquid separator 24 is exited into, and subsequently into compressor 1, realization heats circulation.Battery
The operation of system water pump 22 makes circulating liquid pass through the heat of the absorption refrigeration agent of the first battery heat exchanger 19, by battery heat exchange module
23, to battery radiating, improve battery temperature., by flow control valve 25, into the car heat exchanger 18 is (cold for another part cold-producing medium
Condenser), subcooled liquid is condensed into after air radiating into the car, liquid storage dryer 10, magnetic valve are entered by check valve 8
16 (magnetic valve 26 is closed), expansion valve 15 is depressured into the cold-producing medium of low-temp low-pressure, and Jing check valves 7 are flowed through and added with auxiliary heating film
The pipeline of hot device 3 (now not heating), then flows into car external heat exchanger 4, the atmospheric heat outside car is absorbed, then through cross valve
2 b ports enter, and from a ports gas-liquid separator 24 is exited into, and subsequently into compressor 1, realization heats circulation.
8th, in-car heats battery refrigerating mode (the relatively low operating mode of temperature)：As shown in Figure 10, the refrigeration compressed via compressor 1
Agent is entered from the port d of cross valve 2, is flowed out from c mouths, by heat exchanger 18 (condenser) into the car of flow control valve 25, to
Subcooled liquid is condensed into after air radiating into the car, the liquid storage dryer 10, (electromagnetism of magnetic valve 16 are entered by check valve 8
Valve 26 is closed), expansion valve 15 is depressured into the cold-producing medium of low-temp low-pressure, and Jing check valves 7 are flowed through with auxiliary heating film heater 3
The pipeline of (now not heating), then flows into car external heat exchanger 4, the atmospheric heat outside car is absorbed, then through the b of cross valve 2
Port enters, and from a ports gas-liquid separator 24 is exited into, and subsequently into compressor 1, realization heats circulation.Circulating battery liquid
In the presence of water pump 22, the second battery heat exchanger 28 is entered by the control of triple valve 32 and is radiated to car external environment, this part
Heat flows to car external heat exchanger 4 (evaporimeter) in the presence of fan 5, improves the environment temperature of car external heat exchanger 4, is conducive to
Lift evaporating temperature and evaporating pressure.Indirect utilization has been carried out to battery radiating.It is also possible to prevent car external heat exchanger 4 (evaporimeter)
Frosting.
9th, most severe defrosting mode (most below -20 DEG C of bad working environments)：As shown in figure 11, the height for compressing via compressor 1
Warm high-pressure refrigerant after choke valve 30 is adjusted after magnetic valve 29 by being directly entered car external heat exchanger 4 (evaporimeter).Then
Cold-producing medium through cross valve 2 b ports enter, from a ports flow out, subsequently into after gas-liquid separator 24 enter the (mistake of compressor 1
Flow control valve 25 is closed in journey, and magnetic valve 20 is closed).
10th, secondary severe defrosting mode：As shown in figure 12, the high-temperature high-pressure refrigerant Jing after the compression of compressor 1 is through four-way
The port d of valve 2 is entered, and then the port b through cross valve 2 flows out (standard-sized sheet of flow control valve 25, valve 20 is closed), into outside car
Heat exchanger 4 (condenser), after flow through with auxiliary heating film heater 3 (now not heating) pipeline, then through check valve
6, into liquid storage dryer 10, subsequently into magnetic valve 16 (magnetic valve 26 is closed), then through bypass solenoid valve 14, Jing Guodan
To heat exchanger 18 into the car of valve 9, the close vehicle interior temperature of refrigerant temperature is not violent to in-car comfort degree, subsequently into
The port c of cross valve 2, then exits into gas-liquid separator 24 by the port a of cross valve, is then return to compressor 1, realizes
Defrosting.
11st, heat synchronously is carried out (environment temperature is not especially low such as 0 DEG C) with defrosting：As shown in figure 13, via compression
The cold-producing medium of the compression of machine 1 is entered from the port d of cross valve 2, is flowed out from c mouths, and part of refrigerant is entered by flow control valve 25
Enter in-car heat exchanger 18 (condenser), to after air radiating into the car subcooled liquid is condensed into, entered by check valve 8 and stored up
Liquid drier 10, magnetic valve 16 (magnetic valve 26 is closed), expansion valve 15 is depressured into the cold-producing medium of low-temp low-pressure, and Jing check valves 7 flow
Pipelines of the Jing with auxiliary heating film heater 3 (now not heating), then flows into car external heat exchanger 4, absorbs the air outside car
Heat, then enters through the b ports of cross valve 2, and from a ports gas-liquid separator 24 is exited into, subsequently into compressor 1,
Realization heats circulation.Another part cold-producing medium by magnetic valve 29, choke valve 30 subsequently into car external heat exchanger 4, with first
Divide cold-producing medium mixing, lift the temperature of cold-producing medium.
12nd, heating mode, (not tonifying Qi) heating film carries out heating defrosting：As shown in figure 14, the system compressed via compressor 1
Cryogen is entered from the port d of cross valve 2, is flowed out from c mouths, by heat exchanger 18 (condenser) into the car of flow control valve 25,
Subcooled liquid is condensed into after air radiating into the car, the liquid storage dryer 10, (electricity of magnetic valve 16 are entered by check valve 8
Magnet valve 26 is closed), expansion valve 15 is depressured into the cold-producing medium of low-temp low-pressure, and Jing check valves 7 are flowed through with auxiliary heating film heater 3
Pipeline, when there is frosting, heating film heater 3 is heated to pipeline, so that refrigerant temperature rises rapidly, then
Car external heat exchanger 4 is flowed into, car external heat exchanger 4 is heated, now fan 5 is defrosted with most running up, then cold-producing medium Jing
The b ports for crossing cross valve 2 enter, and from a ports gas-liquid separator 24 is exited into, and subsequently into compressor 1, realization is heated and followed
Ring.
13rd, in-car defrosting-defogging, the air after the in-car heat exchanger 18 of ptc heater 17 pairs is processed heats, plus
Air after heat treatment carries out defrosting-defogging by air channel.
14th, heat with during Defrost operation, related valve can be controlled according to the pressure change of compressor air suction mouth and adjusted
Save mechanism to realize tonifying Qi.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to completely various suitable fields of the present utility model, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (8)
1. a kind of heat-pump-type air conditioning for automobiles with battery thermal management function, it is characterised in that include：
Main refrigerant circuit loop, it is configured so that cold-producing medium by compressor, car external heat exchanger, expansion valve and in-car heat exchange
The sequential flowing of device, or it is configured so that cold-producing medium by the suitable of compressor, in-car heat exchanger, expansion valve and car external heat exchanger
Sequence flows；
Defrosting loop, it is configured so that cold-producing medium Jing after compressor compression, flows through exchanged heat outside defrosting choke valve, car successively
Device, gas-liquid separator, in returning compressor.
2. the heat-pump-type air conditioning for automobiles with battery thermal management function according to claim 1, it is characterised in that the master
In refrigerant circulation loop, auxiliary heating film heater is provided between car external heat exchanger and expansion valve, will flow through outside car and change
Refrigerant heat between hot device and expansion valve.
3. the heat-pump-type air conditioning for automobiles with battery thermal management function according to claim 1, it is characterised in that also include
First battery heat-exchanging loop, it is configured to make cooling water in the presence of water pump, and circulation flows through the first battery heat exchanger and battery
Heat exchange module；The first battery heat exchanger is linked in main refrigerant circuit loop, the first battery heat exchanger is changed with in-car
Hot device is in parallel, original is flowed through the refriger-ant section of in-car heat exchanger or is all flowed through the first battery heat exchanger, make cold-producing medium with it is cold
But water carries out heat exchange.
4. the heat-pump-type air conditioning for automobiles with battery thermal management function according to claim 3, it is characterised in that also include
Second battery heat-exchanging loop, it is configured to make cooling water in the presence of water pump, and circulation flows through the second battery heat exchanger and battery
Heat exchange module；The second battery heat exchanger can carry out heat exchange by air dielectric and car external heat exchanger.
5. the heat-pump-type air conditioning for automobiles with battery thermal management function according to claim 4, it is characterised in that the water
Pump discharge end is connected with three-way valve, makes cooling water flow through the first battery heat-exchanging loop or second by three-way valve commutation
Battery heat-exchanging loop.
6. the heat-pump-type air conditioning for automobiles with battery thermal management function according to claim 1, it is characterised in that also include
Ptc heater, it is used to again heat with the air after the heat exchange of in-car heat exchanger.
7. the heat-pump-type air conditioning for automobiles with battery thermal management function according to claim 1, it is characterised in that also include
Tonifying Qi loop, it is configured such that cold-producing medium in main refrigerant circuit, between car external heat exchanger and in-car heat exchanger
Shunting, makes the cold-producing medium after shunting return to compressor.
8. the heat-pump-type air conditioning for automobiles with battery thermal management function according to claim 7, it is characterised in that the benefit
Air circuit includes：
Tonifying Qi choke valve, for reducing the refrigerant pressure after shunting；
Intermediate Heat Exchanger, it is configured to make the cold-producing medium after shunting again return to after being exchanged heat with the external world in Intermediate Heat Exchanger
In compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN106274372A (en) * | 2016-11-14 | 2017-01-04 | 吉林大学 | There is the heat-pump-type air conditioning for automobiles of battery thermal management function |
| CN107139684A (en) * | 2017-05-19 | 2017-09-08 | 深圳市科泰新能源车用空调技术有限公司 | Automotive air-conditioning system |
| CN107839434A (en) * | 2017-09-04 | 2018-03-27 | 北汽福田汽车股份有限公司 | For vehicle air-conditioning device and there is its vehicle |
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| CN108482058A (en) * | 2018-03-07 | 2018-09-04 | 珠海格力电器股份有限公司 | A kind of car air-conditioner battery cooling system |
| CN108556590A (en) * | 2018-03-20 | 2018-09-21 | 上海加冷松芝汽车空调股份有限公司 | Integral new-energy passenger integrated thermal management system |
| CN108556590B (en) * | 2018-03-20 | 2023-07-14 | 上海加冷松芝汽车空调股份有限公司 | New energy bus comprehensive thermal management system |
| CN109318679B (en) * | 2018-08-15 | 2020-07-03 | 吉林大学 | Heat pump type automobile air conditioning system suitable for high-power quick-charging working condition |
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