CN205930310U - Electric automobile thermal management system and electric automobile - Google Patents
Electric automobile thermal management system and electric automobile Download PDFInfo
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- CN205930310U CN205930310U CN201620420814.5U CN201620420814U CN205930310U CN 205930310 U CN205930310 U CN 205930310U CN 201620420814 U CN201620420814 U CN 201620420814U CN 205930310 U CN205930310 U CN 205930310U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model discloses an electric automobile thermal management system and electric automobile, this system includes power battery, heat pump air conditioning system and heat exchange tube, the export of compressor and the entry of cross valve intercommunication, the first switching mouth of cross valve and outdoor heat exchanger's first port intercommunication, outdoor heat exchanger's second port via the first port intercommunication of first expansion valve with indoor heat exchanger, the second port of indoor heat exchanger switches a mouthful intercommunication with the second of cross valve, the export of cross valve and the entry of compressor intercommunication, first port via the second port intercommunication of throttle branch road with outdoor heat exchanger of heat exchange tube, perhaps via the first port intercommunication of flow control branch road with indoor heat exchanger, heat exchange tube second port communicates with the second port of indoor heat exchanger, heat exchange tube and power battery contact heat exchange. When realizing cooler air -conditioner or heat pump heating, can utilize refrigerant and power battery to carry out contact heat exchange to guarantee the suitable operating temperature of power battery module.
Description
Technical field
This utility model is related to automobile technical field, in particular it relates to a kind of thermal management system of electric automobile and electronic vapour
Car.
Background technology
Application publication number is that the Chinese patent application of CN 105128622 A discloses a kind of thermal management system of electric automobile,
Although this thermal management system of electric automobile can reduce the power consumption of heat pump type air conditioning system to a certain extent, make in winter
Used time, this system fails to heat to electrokinetic cell module, and the winter being unfavorable for cold, to electrokinetic cell module discharge and recharge, leads to
Electrokinetic cell module optimum performance fails to have given play to；When using in summer, this system needs to carry out two using battery coolant
Secondary heat exchange, to cool down to electrokinetic cell module, leads to that loss of refrigeration capacity ratio is larger, refrigerating efficiency is low.
Further, since the high-power electronic component such as motor, IGBT produces a large amount of heat energy during vehicle travels,
It is thus desirable to the high-power electronic component reliability service such as motor, GBT is cooled down.Above-mentioned thermal management system of electric automobile
The waste thermal energy that the high-power electronic components such as motor, IGBT cannot be produced absorbs.
Utility model content
The purpose of this utility model is to provide a kind of thermal management system of electric automobile and electric automobile, to solve above-mentioned asking
Topic.
According to one side of the present utility model, provide a kind of thermal management system of electric automobile, including electrokinetic cell, heat pump
Air conditioning system and heat exchanger tube, described heat pump type air conditioning system includes compressor, cross valve, outdoor heat exchanger, the first expansion valve and room
Interior heat exchanger, the outlet of described compressor is connected with the entrance of described cross valve, the first switching port of described cross valve with described
The first port connection of outdoor heat exchanger, the second port of described outdoor heat exchanger is changed with described interior via the first expansion valve
The first port connection of hot device, the second port of described indoor heat exchanger is connected with the second switching port of described cross valve, described
The outlet of cross valve is connected with the entrance of described compressor, and the first port of described heat exchanger tube is via throttling branch road and described outdoor
The second port connection of heat exchanger or connected with the first port of described indoor heat exchanger via Flow-rate adjustment branch road, described is changed
Heat pipe second port is connected with the second port of described indoor heat exchanger, described heat exchanger tube and described electrokinetic cell contact heat-exchanging.
Alternatively, the first port of described heat exchanger tube connects via the second port of throttling branch road and described outdoor heat exchanger
Logical, described throttling branch road is provided with the second expansion valve.
Alternatively, the first port of described heat exchanger tube is via the first port of Flow-rate adjustment branch road and described indoor heat exchanger
Connection, described Flow-rate adjustment branch road is provided with flow-regulating components.
Alternatively, described flow-regulating components are flow valve or the 3rd expansion valve.
Alternatively, described heat exchanger tube is wrapped on described electrokinetic cell.
Alternatively, described automotive thermal tube reason system also includes plate type heat exchanger, the refrigerant inlet of described plate type heat exchanger
With the outlet of described cross valve, the refrigerant outlet of described plate type heat exchanger is connected with the entrance of described compressor, described
Plate type heat exchanger is simultaneously located in the electromotor cooling system of described electric automobile.
Alternatively, described electromotor cooling system includes motor, water pump and three-way valve, the outlet of described water pump and described motor
Coolant inlet connection, the cooling liquid outlet of described motor connected with the entrance of described three-way valve, the first of described three-way valve
Outlet is connected with the coolant inlet of described plate type heat exchanger, the cooling liquid outlet of described plate type heat exchanger and described three-way valve
Second outlet is all connected with the entrance of described water pump.
Alternatively, described automotive thermal tube reason system also includes aerator and ptc heater, and described ptc heater is used for adding
Heat blows to the wind of described indoor heat exchanger from described aerator.
Alternatively, described thermal management system of electric automobile also includes gas-liquid separator, the described gas of outlet of described cross valve
The entrance connection of liquid/gas separator, the outlet of described gas-liquid separator is connected with the entrance of described compressor.
According to another aspect of the present utility model, provide a kind of electric automobile, this battery car includes electricity mentioned above
Electrical automobile heat management system.
By technique scheme, change the cross valve of cold-producing medium flow direction by setting, and and indoor heat exchanger
The heat exchanger tube being in parallel, and by heat exchanger tube and electrokinetic cell contact heat-exchanging.So, when heat pump type air conditioning system is located at low temperature heating
Plus battery-heated model or high temperature cooling are when powering up under the refrigerating mode of pond, the cold-producing medium on the trunk roads of heat pump type air conditioning system can divide
Go out a part and flow to heat exchanger tube, with electrokinetic cell contact heat-exchanging, with realization, electrokinetic cell is heated or cooled.In other words, exist
While realizing air conditioner refrigerating or heat pump heating, contact heat-exchanging can also be carried out using cold-producing medium and electrokinetic cell, such that it is able to
Ensure that electrokinetic cell was stablized and suitable operating temperature in summer and winter.Further, since without using extra radiator pair
Electrokinetic cell module is radiated, and can simplify the structure of heat pump type air conditioning system, further, since cold-producing medium and electrokinetic cell are straight
Connect contact heat-exchanging, so that whole heat management system structure is compact, the entirety reducing heat pump type air conditioning system takes up room.
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 the structural representation of the electric automobile heat-pump air-conditioning system that this utility model provides；
Fig. 2 is the structural representation of the thermal management system of electric automobile that a kind of embodiment of this utility model provides；
Fig. 3 is the structural representation of the thermal management system of electric automobile that this utility model another embodiment provides；
Fig. 4 is the structural representation of the thermal management system of electric automobile that another embodiment of this utility model provides.
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.
As shown in figure 1, this utility model provide a kind of heat pump type air conditioning system, this heat pump type air conditioning system include compressor 201,
Cross valve 202, outdoor heat exchanger 203, the first expansion valve 204, indoor heat exchanger 205, the outlet 201b of compressor 201 and four-way
The entrance 202a connection of valve 202, the first switching port 202b of cross valve 202 is connected with first port 203a of outdoor heat exchanger 203
Logical, second port 203b of outdoor heat exchanger 203 is via first port 205a of the first expansion valve 204 and indoor heat exchanger 205
Connection, second port 205b of indoor heat exchanger 205 connected with the second switching port 202c of cross valve 202, the going out of cross valve 202
Mouth 202d is connected with the entrance 201a of compressor 201.So, by controlling the entrance 202a of cross valve 202 to be first to cut with it
Change mouthful 202b to be still connected with the second switching port 202c, it is possible to achieve the flow direction of cold-producing medium changes, and then realize indoor refrigeration
Or heating.Specifically, when the entrance 202a of cross valve 202 is connected with its first switching port 202b, the outlet of cross valve 202
202d is connected with its second switching port 202c, system is in high-temperature refrigeration pattern (being discussed in detail below), now cold-producing medium
Move towards as compressor 201, cross valve 202, outdoor heat exchanger 203, the first expansion valve 204, indoor heat exchanger 205, cross valve
202nd, compressor 201；When the entrance 202a of cross valve 202 is connected with its second switching port 202c, the outlet of cross valve 202
202d is connected with its first switching port 202b, system is in low temperature heating pattern (being discussed in detail below), now cold-producing medium
Move towards as compressor 201, cross valve 202, indoor heat exchanger 205, the first expansion valve 204, outdoor heat exchanger 203, cross valve
202nd, compressor 201.
In addition, this utility model also provides a kind of thermal management system of electric automobile, this thermal management system of electric automobile includes
Electrokinetic cell 200, heat exchanger tube 206 and above-mentioned heat pump type air conditioning system, wherein, first port 206a of heat exchanger tube 206 is via throttling
Branch road is connected with second port 203b of outdoor heat exchanger 203, or the via Flow-rate adjustment branch road and indoor heat exchanger 205
Single port 205a connects, and second port 206b of heat exchanger tube 206 is connected with second port 205b of indoor heat exchanger 205, heat exchange
Pipe 206 and electrokinetic cell 200 contact heat-exchanging.That is, increased one and indoor heat exchanger 205 is in parallel for and electrokinetic cell
The 200 cold-producing medium diverter branchs carrying out heat exchange, and be communicated with and electrokinetic cell directly contact on this cold-producing medium diverter branch
The heat exchanger tube 206 of heat exchange.
As shown in Figures 2 to 4, in a preferred embodiment, for improving between cold-producing medium and electrokinetic cell 200
Heat exchange efficiency, heat exchanger tube 206 can be wrapped on electrokinetic cell 200.
It should be noted that throttling branch road refers to be provided with restricting element can make the branch road of cold-producing medium reducing pressure by regulating flow.
Flow-rate adjustment branch road refers to be provided with flow-regulating components to be capable of the branch road of adjusting refrigerant flow rate.So, work as heat pump air conditioner
System is in low temperature heating and adds battery-heated model or when high temperature cooling powers up under the refrigerating mode of pond, the trunk of heat pump type air conditioning system
Cold-producing medium on road can separate a part and flow to heat exchanger tube 206, and electrokinetic cell 200 contact heat-exchanging, to realize to electrokinetic cell
200 be heated or cooled.In other words, while realizing air conditioner refrigerating or heat pump heating, cold-producing medium and power can also be utilized
Battery 200 carries out contact heat-exchanging, thereby may be ensured that electrokinetic cell 200 was stablized and suitable operating temperature in summer and winter.
In this utility model, or first port 206a of heat exchanger tube 206 is via throttling branch road and outdoor heat exchanger 203
Second port 203b connection, or connecting with first port 205a of indoor heat exchanger 205 via Flow-rate adjustment branch road.One
Plant in embodiment, as shown in figure 3, first port 206a of heat exchanger tube 206 is via Flow-rate adjustment branch road and indoor heat exchanger 205
First port 205a connection, now, the first expansion valve 204, as restricting element, throttles to cold-producing medium, the system after throttling
Cryogen is divided into two-way, and a road flows into heat exchanger tube 206 via Flow-rate adjustment branch road, and another road flows into indoor heat exchanger 205.Described stream
Amount regulating element can be any element suitably with flow regulating function.
In embodiment shown in Fig. 3, flow-regulating components can be flow valve 207, the first port of heat exchanger tube 206
206a is communicated to the second port of the first expansion valve 204 and first port 205a of indoor heat exchanger 205 via flow valve 207
Between.Another kind of embodiment replaced as shown in Figure 4 again, flow-regulating components can be the 3rd expansion valve 208, heat exchanger tube
206 first port 206a is communicated to second port and the indoor heat exchanger of the first expansion valve 204 via the 3rd expansion valve 208
Between 205 first port 205a.
In another kind of embodiment replaced, as shown in Fig. 2 first port 206a of heat exchanger tube 206 is via throttling
Road is connected with second port 203b of outdoor heat exchanger 203, and throttling branch road is provided with the second expansion valve 216.That is, heat exchanger tube
206 first port 206a is connected to second port 203b and first expansion of outdoor heat exchanger 203 by the second expansion valve 216
Between the first port of valve 204.
Add in low temperature heating pattern, battery-heated model and low temperature heating and (hereafter retouched in detail under battery-heated model
State), in order to improve heating ability, automotive thermal tube reason system also includes plate type heat exchanger 209, the cold-producing medium of plate type heat exchanger 209
Entrance 209a is connected with the outlet 202d of cross valve 202, the refrigerant outlet 209b of plate type heat exchanger 209 and compressor 201
Entrance 201a connects, and plate type heat exchanger 209 is simultaneously located in the electromotor cooling system of electric automobile.As such, it is possible to using electricity
The waste heat of machine cooling system, to the refrigerant heat of heat pump type air conditioning system, thus suction temperature and the suction of compressor 201 can be improved
Tolerance.
As shown in Figure 1 to Figure 3, for avoiding powering up Chi Leng in high-temperature refrigeration pattern, battery refrigerating mode and high temperature refrigerant
But (it is discussed in detail below), under pattern, the heating carrying out cold-producing medium, can be controlled whether in plate type heat exchanger using valve
Carry out heat exchange in 612.Specifically, electromotor cooling system can include motor 210, water pump 211 and three-way valve 212, water pump 211
Outlet connect with the coolant inlet of motor 210, the cooling liquid outlet of motor 210 is connected with the entrance of three-way valve 212, threeway
First outlet 212a of valve 212 is connected with coolant inlet 209c of plate type heat exchanger 209, the coolant of plate type heat exchanger 209
Outlet 209d is all connected with the entrance of water pump 211 with second outlet 212b of three-way valve 212.That is, in this case,
Electromotor cooling system has coolant main line and two coolant branch roads, and motor 210 and water pump 211 are located on coolant main line,
On the coolant branch road that plate type heat exchanger 209 is located therein, three-way valve 212 can control whether coolant flows through board-like changing
Hot device 209, whether coolant carries out heat exchange with the cold-producing medium of heat pump type air conditioning system.Specifically, work in heat pump type air conditioning system
When low temperature heating pattern, battery-heated model and low temperature heating add under battery-heated model, now in order to improve heat pump air conditioner
The heating ability of system, can control coolant to flow through plate type heat exchanger 209 by three-way valve 212, to realize and cold-producing medium
Heat exchange, improves suction temperature and the inspiration capacity of suction port of compressor.
However, powering up Chi Leng when heat pump type air conditioning system is operated in high-temperature refrigeration pattern, battery refrigerating mode and high-temperature refrigeration
When but under pattern, now do not need in plate type heat exchanger 209, cold-producing medium to be heated.Therefore, in such a case, it is possible to
Coolant is controlled to be not passed through plate type heat exchanger 209 by three-way valve 212, plate type heat exchanger 209 is as just the runner of cold-producing medium
Flow through.
Preferably, as shown in Figures 2 to 4, automotive thermal tube reason system also includes aerator 215 and ptc heater 213, PTC
Heater 213 is used for the wind that heating blows to indoor heat exchanger 205 from aerator 215.So, when heat pump type air conditioning system low temperature heating
Heating capacity when being unsatisfactory for in-car demand, ptc heater 213 can be run, to heat the temperature of the wind from aerator 215 blowout
Degree, heats heating efficiency to improve, when thus can eliminate heat pump type air conditioning system low temperature heating, heating capacity is little, and heating effect is not good
Etc. defect.
In addition, when heat pump type air conditioning system is under high-temperature refrigeration pattern, the aerator 215 in air conditioning system can be blown
The cold wind going out blows to windshield glass, to reduce the humidity of interior, thus preventing windshield glass from hazing, additionally, for preventing room
Interior temperature reduces always, can open ptc heater 213, according to indoor design temperature, adjusts the output of ptc heater 213
Power, realizes constant enthalpy dehumidifying, i.e. under maintaining indoor stationary temperature, remove dampness, to improve the comfortableness of car load simultaneously.
When heat pump type air conditioning system is in low temperature heating pattern, opens outer circulation and the new of drying is introduced by aerator 215
Fresh air, and blow to indoor heat exchanger 205, after heating up with refrigerant heat exchanger, blow to windshield glass, before preventing
Windshield hazes.
Damage compressor 604 for preventing liquid refrigerant from entering into compressor 604, such that it is able to extend compressor 604
Service life, and improve the efficiency of whole thermal management system of electric automobile, as shown in Figures 1 to 4, electric automobile heat management system
System also includes gas-liquid separator 214, the entrance connection of the outlet 202d gas-liquid separator 214 of cross valve 202, gas-liquid separator
214 outlet is connected with the entrance 201a of compressor 201.So, the cold-producing medium that the outlet 202d through cross valve 202 flows out can
Carry out gas-liquid separation to first pass around gas-liquid separator 214, the gas isolated is back in compressor 201 again, thus preventing
Liquid refrigerant enters into compressor 201 and damages compressor 201, such that it is able to extend the service life of compressor 201, and carries
The efficiency of high whole thermal management system of electric automobile.
The automotive thermal tube reason system to describe this utility model offer below in detail by different Working moulds taking Fig. 4 as a example
Cyclic process under formula and principle.It should be appreciated that other embodiment is for example, under the embodiment shown in Fig. 2 and Fig. 3
System circulation process and principle are similar to Fig. 4, just no longer repeat one by one herein.
Pattern one：High-temperature refrigeration pattern.As shown in figure 4, first, compressor 201 discharges the gas of High Temperature High Pressure through overcompression
Body, the outlet 201b of compressor 201 is connected with the entrance 202a of cross valve 202, now, the entrance 202a and four of cross valve 202
First switching port 202b of port valve 202 is in the conduction state, and the entrance 202a of cross valve 202 switches with the second of cross valve 202
Mouth 202c is in cut-off state.The gas for High Temperature High Pressure discharged from the first switching port 202b of cross valve 202, the first switching
Mouth 202b is connected with first port 203a of outdoor heat exchanger 203, and now, outdoor heat exchanger 203 is empty with outdoor as condenser
Gas heat exchange, is dispersed in the air heat, from second port 203b of outdoor heat exchanger 203 out for cryogenic high pressure liquid.
Second port 203b of outdoor heat exchanger 203 is connected with the first port of the first expansion valve 204, and the first expansion valve 204 is as section
Fluid element plays throttling action, from its second port liquid for low-temp low-pressure out.First expansion valve 204 aperture can root
Give certain aperture according to actual demand, this aperture can be according to the entrance 201a being arranged on compressor 201 and gas-liquid separator
The pressure and temperature gathered data of the pressure-temperature sensor between 214 outlet calculates indoor heat exchanger 205 outlet cold-producing medium
The degree of superheat is adjusting.Now the 3rd expansion valve 208 cuts out, and the of the second port of the first expansion valve 204 and indoor heat exchanger 205
Single port 205a connects, and now, indoor heat exchanger 205 is used as vaporizer and uses, and Low temperature low pressure liquid enters in heat exchanger 205 indoors
Row evaporation so that from indoor heat exchanger 205 gas for low-temp low-pressure out.The of indoor heat exchanger 205 and cross valve 202
Two switching port 202c connections, the second switching port 202c is in the conduction state with the outlet 202d of cross valve 202, cross valve 202
Outlet 202d is connected with plate type heat exchanger 209, and now, plate type heat exchanger 209 uses as just runner, plate type heat exchanger 209
It is connected with gas-liquid separator 214, the liquid not being evaporated is passed through gas-liquid separator 214 and separates, the gas of last low-temp low-pressure
Return in compressor 201, be consequently formed a circulation.
Pattern two：Battery refrigerating mode.As shown in figure 4, first, compressor 201 discharges the gas of High Temperature High Pressure through overcompression
Body, the outlet 201b of compressor 201 is connected with the entrance 202a of cross valve 202, now, the entrance 202a and four of cross valve 202
First switching port 202b of port valve 202 is in the conduction state, and the entrance 202a of cross valve 202 switches with the second of cross valve 202
Mouth 202c is in cut-off state.The gas for High Temperature High Pressure discharged from the first switching port 202b of cross valve 202, the first switching
Mouth 202b is connected with first port 203a of outdoor heat exchanger 203, and now, outdoor heat exchanger 205 is empty with outdoor as condenser
Gas heat exchange, is dispersed in the air heat, from second port 203b of outdoor heat exchanger 203 out for cryogenic high pressure liquid.
Second port 203b of outdoor heat exchanger 203 is connected with the first port of the first expansion valve 204, and the first expansion valve 204 is as section
Fluid element plays throttling action, and its second port is the liquid of low-temp low-pressure.First expansion valve 204 aperture can be according to actual need
Ask and give certain aperture, this aperture can be according to being arranged on the entrance 201a of compressor 201 and the outlet of gas-liquid separator 214
Between pressure-temperature sensor pressure and temperature gathered data calculate heat exchanger tube 206 second port 206b cold-producing medium mistake
Temperature is adjusting.At this point it is possible to the 3rd expansion valve 208 is only flowed to by Valve controlling cold-producing medium, the 3rd expansion valve 208 open and
Connect with first port 206a of heat exchanger tube 206, now, heat exchanger tube 206 is used as vaporizer, and the liquid of low-temp low-pressure is in heat exchange
At pipe 206 with electrokinetic cell 200 heat exchange so that from second port 206b of heat exchanger tube 206 gas for low-temp low-pressure out.
Second port 206b of heat exchanger tube 206 is connected with the second switching port 202c of cross valve 202, the second switching port 202c and cross valve
202 outlet 202d is in the conduction state, and the outlet 202d of cross valve 202 is connected with plate type heat exchanger 209, now, board-like changes
Hot device 209 uses as just runner, and plate type heat exchanger 209 is connected with gas-liquid separator 214, and the liquid not being evaporated is passed through
Gas-liquid separator 214 separates, and the gas of last low-temp low-pressure returns in compressor 201, is consequently formed a circulation.
Pattern three：High-temperature refrigeration powers up pond refrigerating mode.As shown in figure 4, first, compressor 201 is discharged high through overcompression
The gas of warm high pressure, the outlet 201b of compressor 201 is connected with the entrance 202a of cross valve 202, now, the entering of cross valve 202
Mouthful 202a is in the conduction state with the first switching port 202b of cross valve 202, the entrance 202a of cross valve 202 and cross valve 202
The second switching port 202c be in cut-off state.The gas for High Temperature High Pressure discharged from the first switching port 202b of cross valve 202
Body, the first switching port 202b is connected with first port 203a of outdoor heat exchanger 203, and now, outdoor heat exchanger 203 is as condensation
Device and outdoor air heat exchange, are dispersed in the air heat, from second port 203b of outdoor heat exchanger 203 out for low temperature
Highly pressurised liquid.Second port 203b of outdoor heat exchanger 203 is connected with the first port of the first expansion valve 204, the first expansion valve
204 play throttling action as restricting element, and it exports the liquid for low-temp low-pressure.First expansion valve 204 aperture can basis
Actual demand gives certain aperture, and this aperture can be according to the entrance 201a being arranged on compressor 201 and gas-liquid separator 214
Outlet between pressure-temperature sensor pressure and temperature gathered data refrigerant superheat degree adjusting.At this point it is possible to it is logical
Cross Valve controlling cold-producing medium and flow to the 3rd expansion valve 208 and indoor heat exchanger 205 respectively, from the second end of the first expansion valve 204
Mouth cold-producing medium out is divided into two strands, and wherein, one connects through first port 206a of the 3rd expansion valve 208 and heat exchanger tube 206
Logical, now heat exchanger tube 206 is used as vaporizer, the liquid of low-temp low-pressure at heat exchanger tube 206 with electrokinetic cell 200 heat exchange, make
From second port 206b of heat exchanger tube 206 gas for low-temp low-pressure out.Another plume is to the of indoor heat exchanger 205
Single port 205a, now, indoor heat exchanger 205 is used as vaporizer, the liquid of low-temp low-pressure indoors at heat exchanger 205 with dynamic
Power battery 200 heat exchange so that from second port 205b of indoor heat exchanger 205 gas for low-temp low-pressure out.From heat exchange
Second port 206b of pipe 206 cold-producing medium and second port 205b from indoor heat exchanger 205 out cold-producing medium out converges
After conjunction, flow to the second switching port 202c of cross valve 202, the outlet 202d of the second switching port 202c and cross valve 202 is in and leads
Logical state, the outlet 202d of cross valve 202 is connected with plate type heat exchanger 209, and now, plate type heat exchanger 209 is as just runner
Use, plate type heat exchanger 209 is connected with gas-liquid separator 214, the liquid not being evaporated passed through gas-liquid separator 214 and separates,
The gas of last low-temp low-pressure returns in compressor 201, is consequently formed a circulation.
Pattern four：Low temperature heating pattern.As shown in figure 4, first, compressor 201 discharges the gas of High Temperature High Pressure through overcompression
Body, the outlet 201b of compressor 201 is connected with the entrance 202a of cross valve 202, now, the entrance 202a and four of cross valve 202
Second switching port 202c of port valve 202 is in the conduction state, and the entrance 202a of cross valve 202 switches with the first of cross valve 202
Mouth 202b is in cut-off state.The gas for High Temperature High Pressure discharged from the second switching port 202c of cross valve 202, the second switching
Mouthful 202c is connected with second port 205b of indoor heat exchanger 205, now, indoor heat exchanger 205 as condenser with outdoor
Air heat-exchange, is dispersed into heat in room air, from second port 205b of indoor heat exchanger 205 out for cryogenic high pressure
Liquid.First port 205a of indoor heat exchanger 205 is connected with the second port of the first expansion valve 204, and the first expansion valve 204 is made
Play throttling action for restricting element, its first port is the liquid of low-temp low-pressure.First expansion valve 204 aperture can be according to reality
Border demand gives certain aperture, and this aperture can be according to being arranged on the outlet 201b of compressor 201 and the entrance of cross valve 202
The pressure and temperature gathered data of the pressure-temperature sensor between 202a calculates first port 203a of outdoor heat exchanger 203
Refrigerant superheat degree is adjusting.The first port of the first expansion valve 204 is connected with the second port of outdoor heat exchanger 203, now,
Outdoor heat exchanger 203 is used as vaporizer, the liquid of low-temp low-pressure at outdoor heat exchanger 203 with outdoor air heat exchange so that
From first port 203a of outdoor heat exchanger 203 gas for low-temp low-pressure out.The first port of outdoor heat exchanger 203
203a is connected with the first switching port 202b of cross valve 202, and the outlet 202d of the first switching port 202b and cross valve 202 is in and leads
Logical state, the outlet 202d of cross valve 202 is connected with plate type heat exchanger 209, and at plate type heat exchanger 209 and motor is cold for cold-producing medium
But the coolant heat exchange in system, to improve suction temperature and the inspiration capacity of compressor 201.Plate type heat exchanger 209 is separated with liquid
The entrance connection of device 214, passes through gas-liquid separator 214 the liquid not being evaporated and separates, the gas of last low-temp low-pressure returns to
In compressor 201, it is consequently formed a circulation.
Pattern five：Battery-heated model.As shown in figure 4, first, compressor 201 discharges the gas of High Temperature High Pressure through overcompression
Body, the outlet 201b of compressor 201 is connected with the entrance (202a) of described cross valve (202), now, the entrance of cross valve 202
202a is in the conduction state with the second switching port 202c of cross valve 202, the entrance 202a of cross valve 202 and cross valve 202
First switching port 202b is in cut-off state.The gas for High Temperature High Pressure discharged from the second switching port 202c of cross valve 202,
Now, cold-producing medium is made only to flow to second port 206b of heat exchanger tube 206 by control valve, now, heat exchanger tube 206 is as cold
Condenser with electrokinetic cell 200 heat exchange, transfer heat to electrokinetic cell 200, from first port 206a of heat exchanger tube 206 out
For cryogenic high pressure liquid.First port 206a of heat exchanger tube 206 is connected with the second port of the first expansion valve (204), and first
Expansion valve 204 plays throttling action as restricting element, its first port liquid for low-temp low-pressure out.First expansion valve
204 apertures can give certain aperture according to the actual requirements, and this aperture can be according to the outlet 201b being arranged on compressor 201
The pressure and temperature gathered data of the pressure-temperature sensor and the entrance 202a of cross valve 202 between calculates outdoor heat exchanger
203 first port 203a refrigerant superheat degree is adjusting.The first port of the first expansion valve 204 and outdoor heat exchanger 203
Second port connects, and now, outdoor heat exchanger 203 is used as vaporizer, the liquid of low-temp low-pressure at outdoor heat exchanger 203 with
Outdoor air heat exchange so that from first port 203a of outdoor heat exchanger 203 gas for low-temp low-pressure out.Outdoor heat exchange
First port 203a of device 203 is connected with the first switching port 202b of cross valve 202, the first switching port 202b and cross valve 202
Outlet 202d in the conduction state, the outlet 202d of cross valve 202 is connected with plate type heat exchanger 209, and cold-producing medium changes board-like
Coolant heat exchange at hot device 209 and in electromotor cooling system, to improve suction temperature and the inspiration capacity of compressor 201.Board-like
Heat exchanger 209 is connected with the entrance of liquid/gas separator 214, the liquid not being evaporated is passed through gas-liquid separator 214 and separates, finally low
The gas of warm low pressure returns in compressor 201, is consequently formed a circulation.
Pattern six：Low temperature heating adds battery-heated model.As shown in figure 4, first, compressor 201 is discharged high through overcompression
The gas of warm high pressure, the outlet 201b of compressor 201 is connected with the entrance (202a) of described cross valve (202), now, cross valve
202 entrance 202a is in the conduction state with the second switching port 202c of cross valve 202, the entrance 202a and four of cross valve 202
First switching port 202b of port valve 202 is in cut-off state.From the second switching port 202c of cross valve 202 discharge high for high temperature
Pressure gas, the second switching port 202c respectively with the second port (205b) of indoor heat exchanger 205 and the second end of heat exchanger tube 206
Mouth 206b connection, now, is divided into two strands from the second switching port 202c cold-producing medium out：One flows to indoor heat exchanger 205
Second port 205b, indoor heat exchanger 205 as condenser with outdoor air heat exchange, heat is dispersed in room air,
First port 205a of indoor heat exchanger 205 is cryogenic high pressure liquid.Another plume to second port 206b of heat exchanger tube 206,
Now, heat exchanger tube 206 as condenser with electrokinetic cell 200 heat exchange, transfer heat to electrokinetic cell 200, from heat exchanger tube
206 first port 206a out for cryogenic high pressure liquid.From first port 205a of indoor heat exchanger 205 refrigeration out
Second port phase after agent and first port 206a from heat exchanger tube 206 cold-producing medium out converges, with the first expansion valve (204)
Even, the first expansion valve 204 plays throttling action as restricting element, its first port liquid for low-temp low-pressure out.The
One expansion valve 204 aperture can give certain aperture according to the actual requirements, and this aperture can be according to being arranged on compressor 201
The pressure and temperature gathered data counting chamber of the pressure-temperature sensor between the outlet 201b and entrance 202a of cross valve 202
The first port 203a refrigerant superheat degree of external heat exchanger 203 is adjusting.The first port of the first expansion valve 204 and outdoor heat exchange
The second port connection of device 203, now, outdoor heat exchanger 203 is used as vaporizer, and the liquid of low-temp low-pressure is in outdoor heat exchanger
At 203 with outdoor air heat exchange so that from first port 203a of outdoor heat exchanger 203 gas for low-temp low-pressure out.
First port 203a of outdoor heat exchanger 203 is connected with the first switching port 202b of cross valve 202, the first switching port 202b and four
The outlet 202d of port valve 202 is in the conduction state, and the outlet 202d of cross valve 202 is connected with plate type heat exchanger 209, and cold-producing medium exists
Coolant heat exchange at plate type heat exchanger 209 and in electromotor cooling system, to improve suction temperature and the air-breathing of compressor 201
Amount.Plate type heat exchanger 209 is connected with the entrance of liquid/gas separator 214, and the liquid not being evaporated is passed through 214 points of gas-liquid separator
From the gas of last low-temp low-pressure returns in compressor 201, is consequently formed a circulation.
This utility model also provides a kind of electric automobile, and wherein, this electric automobile includes electric automobile described above
Heat management system.
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 (10)
1. a kind of thermal management system of electric automobile is it is characterised in that include electrokinetic cell (200), heat pump type air conditioning system and heat exchange
Pipe (206), described heat pump type air conditioning system includes compressor (201), cross valve (202), outdoor heat exchanger (203), the first expansion
The entrance of valve (204) and indoor heat exchanger (205), the outlet (201b) of described compressor (201) and described cross valve (202)
(202a) connect, the first port of first switching port (202b) of described cross valve (202) and described outdoor heat exchanger (203)
(203a) connect, the second port (203b) of described outdoor heat exchanger (203) is changed via the first expansion valve (204) and described interior
First port (205a) connection, the second port (205b) of described indoor heat exchanger (205) and the described cross valve of hot device (205)
(202) the second switching port (202c) connection, the outlet (202d) of described cross valve (202) is entered with described compressor (201)
Mouth (201a) connection, the first port (206a) of described heat exchanger tube (206) is via throttling branch road and described outdoor heat exchanger (203)
Second port (203b) connection or the first port (205a) via Flow-rate adjustment branch road and described indoor heat exchanger (205)
Connection, the second port (206b) of described heat exchanger tube (206) is connected with the second port (205b) of described indoor heat exchanger (205)
Logical, described heat exchanger tube (206) and described electrokinetic cell (200) contact heat-exchanging.
2. thermal management system of electric automobile according to claim 1 it is characterised in that described heat exchanger tube (206) first
Port (206a) is connected with the second port (203b) of described outdoor heat exchanger (203) via throttling branch road, described throttling branch road
On be provided with the second expansion valve (216).
3. thermal management system of electric automobile according to claim 1 it is characterised in that described heat exchanger tube (206) first
Port (206a) is connected with the first port (205a) of described indoor heat exchanger (205) via Flow-rate adjustment branch road, described flow
Adjust and be provided with flow-regulating components on branch road.
4. thermal management system of electric automobile according to claim 3 is it is characterised in that described flow-regulating components are flow
Valve (207) or the 3rd expansion valve (208).
5. thermal management system of electric automobile according to claim 1 is it is characterised in that described heat exchanger tube (206) is wrapped in
On described electrokinetic cell (200).
6. thermal management system of electric automobile according to claim 1 is it is characterised in that described automotive thermal tube reason system is also wrapped
Rubbing board type heat exchanger (209), the refrigerant inlet (209a) of described plate type heat exchanger (209) is gone out with described cross valve (202)
Mouth (202d) connection, the entrance of the refrigerant outlet (209b) of described plate type heat exchanger (209) and described compressor (201)
(201a) connect, described plate type heat exchanger (209) is simultaneously located in the electromotor cooling system of described electric automobile.
7. thermal management system of electric automobile according to claim 6 is it is characterised in that described electromotor cooling system includes electricity
The coolant inlet of machine (210), water pump (211) and three-way valve (212), the outlet of described water pump (211) and described motor (210)
Connection, the cooling liquid outlet of described motor (210) connected with the entrance of described three-way valve (212), and the of described three-way valve (212)
One outlet (212a) is connected with the coolant inlet (209c) of described plate type heat exchanger (209), described plate type heat exchanger (209)
Cooling liquid outlet (209d) is all connected with the entrance of described water pump (211) with the second outlet of described three-way valve (212) (212b).
8. thermal management system of electric automobile according to claim 1 is it is characterised in that described automotive thermal tube reason system is also wrapped
Include aerator (215) and ptc heater (213), described ptc heater (213) is used for heating and blows to from described aerator (215)
The wind of described indoor heat exchanger (205).
9. thermal management system of electric automobile according to claim 1 is it is characterised in that described thermal management system of electric automobile
Also include gas-liquid separator (214), the entrance of the described gas-liquid separator of the outlet (202d) (214) of described cross valve (202) is even
Logical, the outlet of described gas-liquid separator (214) is connected with the entrance (201a) of described compressor (201).
10. a kind of electric automobile is it is characterised in that include the electric automobile heat according to any one in claim 1-9
Management system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620420814.5U CN205930310U (en) | 2016-05-10 | 2016-05-10 | Electric automobile thermal management system and electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620420814.5U CN205930310U (en) | 2016-05-10 | 2016-05-10 | Electric automobile thermal management system and electric automobile |
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