CN207128552U - The pure electric coach thermal management system of whole that a kind of in-car air-conditioning integrates with battery thermal management system - Google Patents
The pure electric coach thermal management system of whole that a kind of in-car air-conditioning integrates with battery thermal management system Download PDFInfo
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- CN207128552U CN207128552U CN201721195144.2U CN201721195144U CN207128552U CN 207128552 U CN207128552 U CN 207128552U CN 201721195144 U CN201721195144 U CN 201721195144U CN 207128552 U CN207128552 U CN 207128552U
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- management system
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- refrigerating medium
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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 provides the thermal management system of whole that a kind of pure electric coach air-conditioning integrates with battery thermal management, including in-car air-conditioning system and battery thermal management system, the in-car air-conditioning system includes forming full DC frequency-changeable compressor, four-way valve, condenser, evaporator, device for drying and filtering, electric expansion valve and the gas-liquid separator in loop, the battery thermal management system shares evaporator with in-car air-conditioning system, and the battery thermal management system includes secondary refrigerant system.The utility model realizes two kinds of functions of satisfaction in a unit, and has shared most parts, reduces machine packet size, reduces vehicle heat management cost；The utility model is provided with the arrangement of two kinds of in-car radiators, improves the uniformity of vehicle interior temperature, meets the demand of cold head and warm foot, improves the comfortableness requirement of vehicle interior temperature.
Description
Technical field
It the utility model is related to automobile battery thermal management system, and in particular to a kind of in-car air-conditioning and battery thermal management system
Integrated pure electric coach thermal management system of whole.
Background technology
Pure electric coach in-car air-conditioning system uses straight-expansion type air conditioner unit more at present, and unit is arranged at the top of vehicle,
Arrangement air outlet inside roof, cooling and warming is by the way of top air-out, and battery thermal management system is adopted more to battery cooling
With the scheme that liquid is cold, the operation of two systems is each independent.This scheme determines that the cost of vehicle heat management is higher.It is pure
Overlapping shared part be present in the in-car air-conditioning system and battery thermal management system of electric motor coach：Such as compressor, condenser and steaming
Send out the parts such as device.It is contemplated that by this several partial common, meets the needs of in-car air-conditioning and battery thermal management.Still further aspect,
Pure electric coach in-car air-conditioning system is cooled down and heating is declined using the air current composition mode above served back, cold air, heat
Air rises, and heating operating mode, such a mode have hot blast and can not blown in the winter time, and then cause vehicle interior temperature in vehicle height side
To the problem of being layered be present, head of passenger temperature is high, and foot's temperature is low, does not meet the actual demand of passenger.
Utility model content
In order to solve the above problems, a kind of pure electric coach air-conditioning of the utility model offer integrates whole with battery thermal management
Car heat management system.
To achieve the above object, the utility model provides the vehicle that a kind of pure electric coach air-conditioning integrates with battery thermal management
Heat management system, including in-car air-conditioning system and battery thermal management system, the in-car air-conditioning system include forming the complete of loop
DC frequency-changeable compressor, four-way valve, condenser, evaporator, device for drying and filtering, electric expansion valve and gas-liquid separator, the electricity
Pond heat management system shares evaporator with in-car air-conditioning system, and the battery thermal management system includes secondary refrigerant system, the load
Cryogen system include forming the evaporator in loop, refrigerating medium electric heater, refrigerating medium cooler, in-car radiator, battery cold plate,
Coolant pump, refrigerating medium storage device and refrigerating medium flow control valve, the secondary refrigerant system is by evaporator, refrigerating medium electromagnetism
The first loop that valve, refrigerating medium cooler, air bleeding valve, refrigerating medium check valve and refrigerating medium electric heater are followed in series to form, institute
State in-car radiator and refrigerating medium flow control valve tie point in series, the battery cold plate and with refrigerating medium Flow-rate adjustment
Valve the second branch road in series, after the tie point and the second branch circuit parallel connection with coolant pump, refrigerating medium storage device, refrigerating
Agent electric heater and evaporator are followed in series to form second servo loop.
The evaporator has four ports, wherein the two of side port respectively with the four-way valve and electric expansion valve phase
Connection, two ports of opposite side are connected in secondary refrigerant system loop.
The four-way valve has first to fourth port, and the of the air entry of the full DC frequency-changeable compressor and four-way valve
Single port is connected, and gas-liquid separator is connected between the exhaust outlet of full DC frequency-changeable compressor and the 3rd port of four-way valve, institute
The first end of condenser to be stated to connect with the second port of four-way valve, the evaporator first end connects with the port of four-way valve the 4th,
The end of condenser second connects by device for drying and filtering and electric expansion valve with the end of evaporator second.
The in-car radiator has two, and one sets top in the car, and one sets bottom in the car, described two to dissipate
Hot device is in parallel to be connected.
The evaporator is plate type heat exchanger.
The refrigerating medium storage device is bellows expansion drum.
The refrigerating medium flow regulator is electric expansion valve.
Compared with prior art, the beneficial effects of the utility model are：The utility model is because of common housing and part zero
Part, it is possible to achieve lightweight；Compared to battery thermal management before and in-car two independent systems of air-conditioning system, this practicality
It is new to realize two kinds of functions of satisfaction in a unit, and most parts have been shared, therefore machine packet size is reduced,
Reduce vehicle heat management cost；The utility model is provided with the arrangement of two kinds of in-car radiators, and top and bottom are all in the car
Provided with radiator, it is possible to achieve using the air current composition mode above served back when cooling down in the car, using upper when heating in the car
Serve back+under send mode next time, improve the uniformity of vehicle interior temperature, meet the demand of cold head and warm foot, improve vehicle interior temperature
Comfortableness requirement.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
As shown in figure 1, the utility model provides the vehicle heat that a kind of pure electric coach air-conditioning integrates with battery thermal management
Management system, including in-car air-conditioning system and battery thermal management system, the heat management system is by in-car air-conditioning system and battery heat
Management system common sparing and secondary refrigerant system are formed, and the system is taken away in-car and battery cold and hot negative using secondary refrigerant system
Lotus, refrigerating medium used are glycol water.In-car air-conditioning system and battery thermal management system common sparing become including full direct current
Frequency compressor 1, four-way valve 4, condenser 2, evaporator 3 and gas-liquid separator 5, the air entry and four of full DC frequency-changeable compressor 1
The first port A connections of port valve 4, gas-liquid separator 5 are connected to the of the exhaust outlet of full DC frequency-changeable compressor 1 and four-way valve 4
Between three port C, the first end of condenser 2 connects with the second port B of four-way valve 4, first end and the four-way valve 4 of evaporator 3
The 4th port D connections, the second end of condenser 2 is by device for drying and filtering 13 and electric expansion valve 14 and the second of evaporator 3
End connection, the side of condenser is provided with condensation fan 19.Secondary refrigerant system includes forming the refrigerating medium heater 8 in loop, steamed
Send out device 3, refrigerating medium cooler 9, in-car radiator 6, battery cold plate 7, coolant pump 10, refrigerating medium storage device 11 and refrigerating medium
Flow control valve.Secondary refrigerant system is by evaporator 3, refrigerating medium magnetic valve 15, refrigerating medium cooler 9, air bleeding valve 16, refrigerating medium list
The first loop is followed in series to form to valve 17 and refrigerating medium heater 8.In-car radiator has two, and a setting is pushed up in the car
Portion, one sets bottom in the car, and two radiators are in parallel to be connected, and a pressure fan 18, car are provided with above each radiator
121 tie point in series of inner radiator 6 and refrigerating medium flow control valve, battery cold plate and with refrigerating medium flow control valve
122 second branch roads in series, after tie point and the second branch circuit parallel connection with coolant pump 10, refrigerating medium storage device 11, carry
Cryogen heater 8 and evaporator 3 are followed in series to form second servo loop.
Compressor 1 is full DC frequency-changeable compressor, can be according to the load of battery and the load variations of in-car air-conditioning, automatically
The output of compressor is adjusted, reduces start/stop of compressor number, reaches energy-conservation and the purpose of accurate temperature controlling.
Condenser 2 uses full direct current brushless condensing fan, during refrigerating operaton, adjusted automatically according to system pressure and environment temperature
Rotation speed of fan is saved, ensures that system operation is reliable.
Evaporator 3 is plate type heat exchanger, and when cooling is run, cold water is produced by the evaporation of refrigerant in plate type heat exchanger,
During heating, as condenser heat rejection, hot water preparing.
Refrigerating medium storage device 11 is bellows expansion drum, unnecessary refrigerating medium is stored using bellows expansion drum, while be
System supplements refrigerating medium when lacking liquid.
Refrigerating medium flow control valve is electric expansion valve, swollen to refrigerant flow requirements, adjustment electronics according to system loading
Swollen valve opening, ensure cooling system agent flux in running.
The speed of ancillary heating equipment, lifting battery and in-car heating is used as using refrigerating medium electric heater 8, while in car
By opening electric heater during the defrosting of interior operation of air conditioner, the effect and speed of defrosting are lifted.Refrigerating medium electric heater 8 uses stepping
Control, while heating effect is ensured, reduces the power consumption and start-stop time of system, while realize accurate temperature controlling.
Thermal management system of whole uses self-loopa pattern, when the temperature difference between battery modules is larger, opens self-loopa mould
Formula, only coolant pump are run, and by circulating for the battery modules of refrigerating medium condition of different temperatures, reach balancing battery module
The purpose of the temperature difference.
Using battery natural cooling circulate, it is relatively low in car external environment temperature, and battery need cooling when, start natural cooling
Mode capabilities, realize the purpose of battery cooling and energy-conservation.
The radiator of opening vehicle inner top when summer cools down operation in the car, using the air current composition mode above served back,
Opening vehicle inner top and the radiator of bottom when winter heats operation in the car, it is possible to achieve above serve back+under send gas next time
Organizational form is flowed, improves the uniformity of vehicle interior temperature, meets the demand of cold head and warm foot, the comfortableness for improving vehicle interior temperature will
Ask.
The cooling and heating of interior space and battery are realized by producing different temperatures refrigerating medium, in but cold operation mistake
Cheng Zhong, the refrigerating medium of low temperature carries out heat exchange in the pipeline of radiator 6 with in-car hot-air in the car, so as to reduce vehicle interior temperature,
The refrigerating medium of low temperature is by battery cold plate 7, and battery cold plate 7 and battery direct contact heat transfer, so as to reduce battery temperature；Adding
In hot running, the refrigerating medium of high temperature carries out heat exchange in the pipeline of radiator 6 with in-car cold air in the car, so as to improve car
Interior temperature, the refrigerating medium of high temperature is by battery cold plate 7, and battery cold plate 7 and battery direct contact heat transfer, so as to improve battery temperature
Degree.
Low temperature refrigerating medium mainly passes through：1. compression mechanism SAPMAC method, is produced via plate type heat exchanger；2. the temperature outside low car
Under the conditions of, produced by refrigerating medium cooler.
High temperature refrigerating medium mainly passes through：1. compressor heat pump circulation, is produced via plate type heat exchanger；2. added by refrigerating medium
Hot device is produced.
The system has eight kinds of mode of operations：Respectively 1. in-car compressor of air conditioner coolings；2. cell compressors cool down；3. car
Interior compressor of air conditioner cooling+cell compressors cooling；4. in-car air-conditioning heating；5. battery heats；6. in-car air-conditioning heating+
Battery heats；7. battery natural cooling；8. self-loopa.
Each part opens and closes situation and is shown in Table 1, when system works under any mode of operation under eight kinds of different working modes, refrigerating
Agent pump is all in working condition.
Battery cooling correspondence system has two kinds of mode of operations：Compressor cooling and natural cooling, run which kind of pattern depends on
In car external environment temperature conditionss, when environment temperature is less than 15 DEG C, natural cooling pattern is run；When environment temperature is higher than 15 DEG C
Run compressor cooling pattern.
Battery heats：Thermal source is provided only with refrigerating medium electric heater.
Self-loopa：The temperature difference between vehicle battery modules are detected is more than 5 DEG C, while battery temperature need not cool down again
Self-loopa pattern is opened during with heating, only coolant pump is run during self-loopa.
The cooling of interior space uses compression mechanism SAPMAC method, low temperature refrigerating medium is produced, to cool down interior space.
In-car heating uses heat pump operation mode, high temperature refrigerating medium is produced, to lift vehicle interior temperature.And according to environment
Temperature conditionss determine that auxiliary electrical heater opens power.To realize in the case where meeting vehicle interior temperature, the purpose of energy-conservation is realized.
The system operating mode of table 1 and component working state
| Mode of operation | Compression Machine | Four-way Valve | Exchanged heat outside car Blower fan | Electronics is swollen Swollen valve | Refrigerating medium magnetic valve, Cooling blower | Refrigerating medium adds Hot device | Pressure fan, refrigerating agent flux Regulating valve 121 | Refrigerating agent flux is adjusted Save valve 122 |
| In-car compressor of air conditioner cooling | Operation | Operation | Operation | Operation | Close | Close | Open | Close |
| Cell compressors cool down | Operation | Operation | Operation | Operation | Close | Close | Close | Open |
| In-car compressor of air conditioner cooling+electricity Pond compressor cooling | Operation | Operation | Operation | Operation | Close | Close | Open | Open |
| In-car air-conditioning heating | Operation | Operation | Operation | Operation | Close | Open | Open | Close |
| Battery heats | Close | Close | Close | Close | Close | Open | Close | Open |
| In-car air-conditioning heating+battery heating | Operation | Operation | Operation | Operation | Close | Open | Open | Open |
| Battery natural cooling | Close | Close | Close | Close | Open | Close | Close | Open |
| Self-loopa | Close | Close | Close | Close | Close | Close | Close | Open |
Claims (7)
1. the pure electric coach thermal management system of whole that a kind of in-car air-conditioning integrates with battery thermal management system, including in-car air-conditioning
System and battery thermal management system, it is characterised in that：The in-car air-conditioning system includes forming the full DC frequency-changing compression in loop
Machine, four-way valve, condenser, evaporator, device for drying and filtering, electric expansion valve and gas-liquid separator, the battery thermal management system
Evaporator is shared with in-car air-conditioning system, the battery thermal management system includes secondary refrigerant system, and the secondary refrigerant system includes
The evaporator in composition loop, refrigerating medium electric heater, refrigerating medium cooler, in-car radiator, battery cold plate, coolant pump, load
Cryogen storage device and refrigerating medium flow control valve, the secondary refrigerant system are cooled down by evaporator, refrigerating medium magnetic valve, refrigerating medium
The first loop that device, air bleeding valve, refrigerating medium check valve and refrigerating medium electric heater are followed in series to form, the in-car radiator and
Refrigerating medium flow control valve tie point in series, the battery cold plate and with refrigerating medium flow control valve in series second
After branch road, the tie point and the second branch circuit parallel connection with coolant pump, refrigerating medium storage device, refrigerating medium electric heater and steaming
Hair device is followed in series to form second servo loop.
2. the pure electric coach vehicle heat management system that in-car air-conditioning as claimed in claim 1 integrates with battery thermal management system
System, it is characterised in that：The evaporator has four ports, and wherein the two of side port is swollen with the four-way valve and electronics respectively
Swollen valve is connected, and two ports of opposite side are connected in secondary refrigerant system loop.
3. the pure electric coach vehicle heat management system that in-car air-conditioning as claimed in claim 1 integrates with battery thermal management system
System, it is characterised in that：The four-way valve has first to fourth port, the air entry and four-way of the full DC frequency-changeable compressor
Valve first port connection, gas-liquid separator be connected to full DC frequency-changeable compressor exhaust outlet and four-way valve the 3rd port it
Between, the first end of the condenser connects with the second port of four-way valve, the evaporator first end and the port of four-way valve the 4th
Connection, the end of condenser second connect by device for drying and filtering and electric expansion valve with the end of evaporator second.
4. the pure electric coach vehicle heat management system that in-car air-conditioning as claimed in claim 1 integrates with battery thermal management system
System, it is characterised in that：The in-car radiator has two, and one sets top in the car, and one sets bottom in the car, described
Two radiators are in parallel to be connected.
5. the pure electric coach vehicle heat management system that in-car air-conditioning as claimed in claim 1 integrates with battery thermal management system
System, it is characterised in that：The evaporator is plate type heat exchanger.
6. the pure electric coach vehicle heat management system that in-car air-conditioning as claimed in claim 1 integrates with battery thermal management system
System, it is characterised in that：The refrigerating medium storage device is bellows expansion drum.
7. the pure electric coach vehicle heat management system that in-car air-conditioning as claimed in claim 1 integrates with battery thermal management system
System, it is characterised in that：The refrigerating medium flow control valve is electric expansion valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195144.2U CN207128552U (en) | 2017-09-18 | 2017-09-18 | The pure electric coach thermal management system of whole that a kind of in-car air-conditioning integrates with battery thermal management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195144.2U CN207128552U (en) | 2017-09-18 | 2017-09-18 | The pure electric coach thermal management system of whole that a kind of in-car air-conditioning integrates with battery thermal management system |
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| CN207128552U true CN207128552U (en) | 2018-03-23 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482064A (en) * | 2018-04-18 | 2018-09-04 | 上海加冷松芝汽车空调股份有限公司 | Used in new energy vehicles integrates crew module's air-conditioning and battery pack heat management heat pump system |
| CN109037849A (en) * | 2018-09-14 | 2018-12-18 | 郑州科林车用空调有限公司 | A kind of direct-expansion type battery thermal management system with natural cooling function |
| CN110884316A (en) * | 2018-09-10 | 2020-03-17 | 盾安汽车热管理科技有限公司 | Vehicle thermal management system |
| CN111238094A (en) * | 2020-01-16 | 2020-06-05 | 深圳市英维克科技股份有限公司 | Refrigerating unit for refrigerator car and refrigerator car |
| CN111422025A (en) * | 2020-02-29 | 2020-07-17 | 华南理工大学 | Pure electric vehicles double evaporation ware heat pump air conditioning system |
| CN112224091A (en) * | 2020-10-16 | 2021-01-15 | 中国矿业大学 | Electric automobile heat management system and control method thereof |
| CN112693363A (en) * | 2021-02-07 | 2021-04-23 | 郑州科林车用空调有限公司 | Whole-vehicle thermal management system of pure electric truck |
| CN113276744A (en) * | 2021-05-28 | 2021-08-20 | 华为技术有限公司 | Thermal management system and electric vehicle |
| CN115214734A (en) * | 2022-08-16 | 2022-10-21 | 中车大连机车研究所有限公司 | Thermal management device of battery-powered locomotive and control method thereof |
-
2017
- 2017-09-18 CN CN201721195144.2U patent/CN207128552U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482064A (en) * | 2018-04-18 | 2018-09-04 | 上海加冷松芝汽车空调股份有限公司 | Used in new energy vehicles integrates crew module's air-conditioning and battery pack heat management heat pump system |
| CN108482064B (en) * | 2018-04-18 | 2023-07-14 | 上海加冷松芝汽车空调股份有限公司 | Integrated passenger cabin air conditioner and battery pack thermal management heat pump system for new energy vehicle |
| CN110884316A (en) * | 2018-09-10 | 2020-03-17 | 盾安汽车热管理科技有限公司 | Vehicle thermal management system |
| CN109037849A (en) * | 2018-09-14 | 2018-12-18 | 郑州科林车用空调有限公司 | A kind of direct-expansion type battery thermal management system with natural cooling function |
| CN111238094A (en) * | 2020-01-16 | 2020-06-05 | 深圳市英维克科技股份有限公司 | Refrigerating unit for refrigerator car and refrigerator car |
| CN111422025A (en) * | 2020-02-29 | 2020-07-17 | 华南理工大学 | Pure electric vehicles double evaporation ware heat pump air conditioning system |
| CN112224091A (en) * | 2020-10-16 | 2021-01-15 | 中国矿业大学 | Electric automobile heat management system and control method thereof |
| CN112693363A (en) * | 2021-02-07 | 2021-04-23 | 郑州科林车用空调有限公司 | Whole-vehicle thermal management system of pure electric truck |
| CN113276744A (en) * | 2021-05-28 | 2021-08-20 | 华为技术有限公司 | Thermal management system and electric vehicle |
| CN115214734A (en) * | 2022-08-16 | 2022-10-21 | 中车大连机车研究所有限公司 | Thermal management device of battery-powered locomotive and control method thereof |
| CN115214734B (en) * | 2022-08-16 | 2024-01-26 | 中车大连机车研究所有限公司 | Battery power locomotive thermal management device and control method thereof |
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