CN208006644U - Thermal management system of whole pure electric vehicle - Google Patents

Thermal management system of whole pure electric vehicle Download PDF

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Publication number
CN208006644U
CN208006644U CN201820405985.XU CN201820405985U CN208006644U CN 208006644 U CN208006644 U CN 208006644U CN 201820405985 U CN201820405985 U CN 201820405985U CN 208006644 U CN208006644 U CN 208006644U
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China
Prior art keywords
air
way valve
battery
conditioning
electric vehicle
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CN201820405985.XU
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Chinese (zh)
Inventor
金星
李陈勇
沈晨冰
吴世豪
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Haozhi Zengcheng Technology Anhui Co ltd
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Zhejiang Hozon New Energy Automobile Co Ltd
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Abstract

The utility model discloses a kind of thermal management system of whole pure electric vehicle, are equipped with adjusting air inlet grid, further include power drive system, battery system and air-conditioning system.The power drive system includes the first water pump, the first three-way valve, electric drive radiator.The battery system includes battery cooler, battery, PTC electric heater and the second water pump.The air-conditioning system includes air-conditioning heating core, check-valves, the second three-way valve.Electrically driven (operated) heat is imported into air-conditioning system by thermal management system of whole pure electric vehicle disclosed by the utility model, and assisted air conditioning system carries out heating under worst cold case, realizes recycle heat utilization.Meanwhile the intelligent control of each circulation loop of system is managed by opposite heat tube, to ensure that electric drive, battery etc. work in suitable temperature range, realize the complete cold-heating system management of electric vehicle.

Description

Thermal management system of whole pure electric vehicle
Technical field
The utility model belongs to vehicle thermal management technology field, and in particular to a kind of whole pure electric vehicle heat management system System.
Background technology
In recent years, new energy vehicle especially Development of Electric Vehicles enters the speed-raising stage, at full speed in current power battery technology Under the background of development, realize that the high speed of pure electric automobile comes into the substantive progress stage.The hair of electric vehicle transfers toward gesture It is high speed, high course continuation mileage, high reliability, while can be worked normally in each temperature range section.
It is well known that electric vehicle especially battery portion is affected by temperature very seriously, may especially cause in winter Vehicle can not travel, and in summer probably due to weather overheat causes battery to be more than normal working temperature.Therefore, a whole set of has The control system for heat management of sequence planning is the premise for ensureing the operation of electric vehicle normal reliable.
Currently, the electric drive heat management system of electric vehicle, battery thermal management system, air-conditioning heat management system are because respectively wanting Ask different, thus each other independently of each other.Due to the intervention of battery cooling required air conditioner coolant, battery cooling system and air-conditioning System tentatively establishes contact in liquid cooling battery pack vehicle.However, electric drive heat management system and air conditioner cooling system are still It is difficult to set up contact.The heat that power drive system generates is very big, the place for the heat that existing electric vehicle generates power drive system Reason mode almost all is transferred to by front end radiator in environment, and this processing mode more wastes.
Utility model content
The utility model is directed to the situation of the prior art, provides a kind of thermal management system of whole pure electric vehicle.
The utility model uses following technical scheme, the thermal management system of whole pure electric vehicle to be equipped with adjusting air inlet Grid, further includes power drive system, battery system and air-conditioning system, wherein:
The power drive system includes the first water pump, the first three-way valve, electric drive radiator;
The battery system includes battery cooler, battery, PTC electric heater and the second water pump;
The air-conditioning system includes air-conditioning heating core, check-valves, the second three-way valve, wherein:
First water pump is connected with the first end of the first three-way valve, and second end and the electric drive of first three-way valve dissipate Hot device is connected, and the third end of first three-way valve is connected with air-conditioning heating core, and the air-conditioning heating core is connected with the first water pump;
The air-conditioning heating core is connected by check-valves with the first end of the second three-way valve, and the second of second three-way valve End is connected with PTC electric heater, and the third end of second three-way valve is connected with battery cooler, and the battery is arranged in battery Between cooler and PTC electric heater, the PTC electric heater is connected by the second water pump with the third end of the first three-way valve.
According to above-mentioned technical proposal, the power drive system further includes electronic fan, and the electronic fan is set to electric drive At dynamic radiator.
According to above-mentioned technical proposal, the air-conditioning system further includes air blower, and the air blower is set to air-conditioning heating core Place.
According to above-mentioned technical proposal, the air-conditioning system further includes front end condenser, and the front end condenser is set to can It adjusts at air-inlet grille.
According to above-mentioned technical proposal, expansion valve and first is sequentially equipped with unidirectionally between the front end condenser and air-conditioning system Valve.
According to above-mentioned technical proposal, expansion valve and second is sequentially equipped with unidirectionally between the front end condenser and battery system Valve.
According to above-mentioned technical proposal, compressor is equipped between the battery cooler and front end condenser.
According to above-mentioned technical proposal, first three-way valve uses normally closed type three-way valve, and second three-way valve is using normal Enclosed three-way valve.
Thermal management system of whole pure electric vehicle disclosed by the utility model, advantage are, by electrically driven (operated) heat Amount imported into air-conditioning system, and assisted air conditioning system carries out heating under worst cold case, realizes recycle heat utilization.Meanwhile it is logical The intelligent control for crossing opposite heat tube reason each circulation loop of system, to ensure that electric drive, battery etc. in suitable temperature range The complete cold-heating system management of electric vehicle is realized in interior work.
Description of the drawings
Fig. 1 is the system block diagram of the preferred embodiment in the utility model.
Fig. 2A and Fig. 2 B are the circulation path of the preferred embodiment in the utility model respectively.
Fig. 3 A and Fig. 3 B are another circulation path of the preferred embodiment in the utility model respectively.
Specific implementation mode
The utility model discloses a kind of thermal management system of whole pure electric vehicle, with reference to preferred embodiment, to this The specific implementation mode of utility model is further described.
Referring to Figure 1 of the drawings, Fig. 1 shows the modular structure of the thermal management system of whole pure electric vehicle.
Further referring to Fig. 2A and Fig. 2 B and Fig. 3 A and Fig. 3 B of attached drawing, whole pure electric vehicle heat management system System is equipped with adjusting air inlet grid 100, further includes power drive system 200, battery system 300 and air-conditioning system 400, wherein:
The power drive system 200 includes the first water pump 201, the first three-way valve 202, electric drive radiator 203;
The battery system 300 includes battery cooler 301, battery 302, PTC electric heater 303 and the second water pump 304;
The air-conditioning system 400 includes air-conditioning heating core 401, check-valves 402, the second three-way valve 403, wherein:
First water pump 201 is connected with the first end of the first three-way valve 202, the second end of first three-way valve 202 It is connected with electric drive radiator 203, the third end of first three-way valve 202 is connected with air-conditioning heating core 401, and the air-conditioning adds Hot core 401 is connected with the first water pump 201;
The air-conditioning heating core 401 is connected by check-valves 402 with the first end of the second three-way valve 403, and the described 2nd 3 It is connected to the second end of valve 403 with PTC electric heater 303, third end and the battery cooler 301 of second three-way valve 403 It is connected, the battery 302 is arranged between battery cooler 301 and PTC electric heater 303, and the PTC electric heater 303 is logical The second water pump 304 is crossed with the third end of the first three-way valve 202 to be connected.
Preferably, the power drive system 200 further includes electronic fan 204, and the electronic fan 204 is set to electric drive At radiator 203.
Preferably, the air-conditioning system 400 further includes air blower 404, and the air blower 404 is set to air-conditioning heating core At 401.
Preferably, the air-conditioning system 400 further includes front end condenser 406, and the front end condenser 406 is set to adjustable It saves at air-inlet grille 100, the front end condenser 406 can adjust the incoming air area of grid according to environment temperature.
Wherein, the air-conditioning system 400 is located at the passenger compartment 500 of pure electric automobile.
Further, expansion valve 407 and the first list are sequentially equipped between the front end condenser 406 and air-conditioning system 400 To valve 408.
Further, expansion valve 407 and the second list are sequentially equipped between the front end condenser 406 and battery system 300 To valve 409.
Further, compressor 405 is equipped between the battery cooler 301 and front end condenser 406.
According to above preferred embodiment, the power drive system 200 has the state of cooling and off position, the battery There is system 300 heated condition, the state of cooling and off position, the air-conditioning system 400 to have heated condition and refrigeration shape State.Therefore, substantially the thermal management system of whole pure electric vehicle has 24 kinds of comprehensive operating modes.Each comprehensive operating mode is according to pre- If each signal for receiving in trigger condition and real work carries out arbitration decision, finally obtain the control command of each component and under Hair, the final operation for realizing system and fault alarm, realize the intelligent control of thermal management system of whole pure electric vehicle.
Further, first three-way valve 202 preferably uses normally closed type three-way valve.When above-mentioned normally closed type three-way valve is obstructed When electric, conducting circuit is followed successively by the first water pump 201, the first three-way valve 202, electric drive radiator 203, the first water pump 201.When upper When stating normally closed type three-way valve and being powered, conducting circuit is followed successively by the first water pump 201, the first three-way valve 202, air-conditioning heating core 401, the One water pump 201.
By the switching in the conducting circuit of the first three-way valve 202, the heat dissipation of power drive system 200 can select cold in front end It is carried out at condenser 406, the recycling that realizes heat according to vehicle actual demand can also be carried out at air-conditioning heating core 401, The final battery energy-saving for realizing worst cold case.
Further, second three-way valve 403 preferably uses normally closed type three-way valve.When above-mentioned normally closed type three-way valve is obstructed When electric, conducting circuit is followed successively by check-valves 402, the second three-way valve 403, battery cooler 301, battery 302, PTC electric heater 303, the second water pump 304, air-conditioning heating core 401, check-valves 402.When above-mentioned normally closed type three-way valve is powered, conducting circuit is successively For check-valves 402, the second three-way valve 403, PTC electric heater 303, the second water pump 304, air-conditioning heating core 401, check-valves 402.
By the switching in the conducting circuit of the second three-way valve 403, battery 302 and battery cooler 301 and sky may be implemented Adjust whether heating core 401 connects.When battery 302 is in cooling or heated condition, 403 no power of the second three-way valve, while electricity Pond 302, battery cooler 301 are connected with air-conditioning heating core 401.When air-conditioning system 400 has heating needs and battery system 300 is not When work, the second three-way valve 403 is powered, and air-conditioning system 400 individually heats and on battery 302 without influence.
According to above preferred embodiment, such as above-mentioned analysis, there are two types of selections for the heating circuit reality of air-conditioning system 400.
Selection one:PTC electric heater 303, the work of the second water pump 304,202 no power of the first three-way valve;Corresponding reality Operating mode is that the water temperature of power drive system 200 is relatively low (such as stop, run at a low speed operating mode).
Selection two:The work of first water pump 201, the first three-way valve 202 are powered;PTC electric heater 303, the second water pump 304 are not Work;Corresponding actual condition is that the water temperature of power drive system 200 is higher (operating mode of such as running at high speed).In addition, the operating mode may be used also To combine with battery saving mode, preferentially ensure course continuation mileage in the case that electricity is lower, at the same air-conditioning system 400 remain to it is low Efficiency works.
To sum up, it after air-conditioning heating function is opened, need to be arbitrated according to the water temperature condition of power drive system 200, with determination Applicable operating mode.
According to above preferred embodiment, the thermal management system of whole pure electric vehicle includes mechanical structure portion and control Two aspects of logical gate.
Wherein, mechanical structure portion includes electric drive cooling system under the conditions of full working scope;Battery cooling system;Air-conditioning system Cooling system;Battery heating system;Air-conditioning heating system;Air conditioner refrigerating, heating open simultaneously (defrosting-defogging system);Low temperature electric drives Dynamic heat reclaiming system (be recovered to air-conditioning or be recovered to battery);The adjustable air-inlet grille in vehicle front end.
Wherein, control logic part is controlled comprising electric drive cooling circuit;Battery cooling circuit controls;Air conditioner refrigerating circuit Control;Battery heating circuit controls;Air-conditioning heating circuit controls;Air-conditioner defrosting demisting circuit controls;Electric drive thermal energy recycles back Road controls;Electric drive, battery, air-conditioning when working at the same time the judgement of each operating mode priority and the logic of partial virtual operating mode evade; The information exchange of electric drive, battery, air-conditioning CLM and thermal management controller;The fault alarm of electronic component.
For a person skilled in the art, the technical solution recorded in foregoing embodiments can still be repaiied Change or equivalent replacement of some of the technical features, within the spirit and principle of the utility model, made by it is any Modification, equivalent replacement, improvement etc., should be included in the scope of protection of the utility model.

Claims (8)

1. a kind of thermal management system of whole pure electric vehicle, which is characterized in that be equipped with adjusting air inlet grid, further include electric drive System, battery system and air-conditioning system, wherein:
The power drive system includes the first water pump, the first three-way valve, electric drive radiator;
The battery system includes battery cooler, battery, PTC electric heater and the second water pump;
The air-conditioning system includes air-conditioning heating core, check-valves, the second three-way valve, wherein:
First water pump is connected with the first end of the first three-way valve, second end and the electric drive radiator of first three-way valve It is connected, the third end of first three-way valve is connected with air-conditioning heating core, and the air-conditioning heating core is connected with the first water pump;
The air-conditioning heating core is connected by check-valves with the first end of the second three-way valve, the second end of second three-way valve with PTC electric heater is connected, and the third end of second three-way valve is connected with battery cooler, and the battery setting is cooled down in battery Between device and PTC electric heater, the PTC electric heater is connected by the second water pump with the third end of the first three-way valve.
2. thermal management system of whole pure electric vehicle according to claim 1, which is characterized in that the power drive system is also Including electronic fan, the electronic fan is set at electric drive radiator.
3. thermal management system of whole pure electric vehicle according to claim 1, which is characterized in that the air-conditioning system is also wrapped Air blower is included, the air blower is set at air-conditioning heating core.
4. thermal management system of whole pure electric vehicle according to claim 1, which is characterized in that the air-conditioning system is also wrapped Front end condenser is included, the front end condenser is set at adjusting air inlet grid.
5. thermal management system of whole pure electric vehicle according to claim 4, which is characterized in that the front end condenser with Expansion valve and the first check valve are sequentially equipped between air-conditioning system.
6. thermal management system of whole pure electric vehicle according to claim 4, which is characterized in that the front end condenser with Expansion valve and the second check valve are sequentially equipped between battery system.
7. thermal management system of whole pure electric vehicle according to claim 4, which is characterized in that the battery cooler with Compressor is equipped between the condenser of front end.
8. thermal management system of whole pure electric vehicle according to claim 1, which is characterized in that first three-way valve is adopted With normally closed type three-way valve, second three-way valve uses normally closed type three-way valve.
CN201820405985.XU 2018-03-23 2018-03-23 Thermal management system of whole pure electric vehicle Active CN208006644U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820405985.XU CN208006644U (en) 2018-03-23 2018-03-23 Thermal management system of whole pure electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820405985.XU CN208006644U (en) 2018-03-23 2018-03-23 Thermal management system of whole pure electric vehicle

Publications (1)

Publication Number Publication Date
CN208006644U true CN208006644U (en) 2018-10-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108357327A (en) * 2018-03-23 2018-08-03 浙江合众新能源汽车有限公司 Thermal management system of whole pure electric vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108357327A (en) * 2018-03-23 2018-08-03 浙江合众新能源汽车有限公司 Thermal management system of whole pure electric vehicle

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Address after: Room 206, No. 999, Qingfeng South Road, Tongxiang Economic Development Zone, Jiaxing, Zhejiang 314000

Patentee after: Hezhong New Energy Vehicle Co.,Ltd.

Address before: Room 206, No. 999, Qingfeng South Road, Tongxiang Economic Development Zone, Jiaxing, Zhejiang 314000

Patentee before: HOZON NEW ENERGY AUTOMOBILE Co.,Ltd.

Address after: Room 206, No. 999, Qingfeng South Road, Tongxiang Economic Development Zone, Jiaxing, Zhejiang 314000

Patentee after: United New Energy Automobile Co.,Ltd.

Address before: Room 206, No. 999, Qingfeng South Road, Tongxiang Economic Development Zone, Jiaxing, Zhejiang 314000

Patentee before: Hezhong New Energy Vehicle Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20231221

Address after: No. 35, Standardization Plant, Electronic Intelligent Manufacturing Industrial Park, Fengtai County Economic Development Zone, Huainan City, Anhui Province

Patentee after: Haozhi Zengcheng Technology (Anhui) Co.,Ltd.

Address before: Room 206, No. 999, Qingfeng South Road, Tongxiang Economic Development Zone, Jiaxing, Zhejiang 314000

Patentee before: United New Energy Automobile Co.,Ltd.