CN105172522A - Thermal management system of hybrid vehicle - Google Patents
Thermal management system of hybrid vehicle Download PDFInfo
- Publication number
- CN105172522A CN105172522A CN201510546565.4A CN201510546565A CN105172522A CN 105172522 A CN105172522 A CN 105172522A CN 201510546565 A CN201510546565 A CN 201510546565A CN 105172522 A CN105172522 A CN 105172522A
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- CN
- China
- Prior art keywords
- temperature
- cooling
- oil
- management system
- circulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims abstract description 80
- 238000010438 heat treatment Methods 0.000 claims abstract description 45
- 238000005057 refrigeration Methods 0.000 claims abstract description 9
- 238000004378 air conditioning Methods 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 230000004087 circulation Effects 0.000 claims description 34
- 230000008859 change Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 241000156302 Porcine hemagglutinating encephalomyelitis virus Species 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000010705 motor oil Substances 0.000 claims description 2
- 230000001839 systemic circulation Effects 0.000 claims description 2
- 230000003993 interaction Effects 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 238000007872 degassing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
Abstract
The invention discloses a thermal management system of a hybrid vehicle. The thermal management system comprises a high-temperature cooling system, a low-temperature cooling system, an oil cooling system, an auxiliary heating system and an air conditioning refrigeration system. The thermal management system has the advantages that the thermal management system is integrated with the high-temperature cooling system, the low-temperature cooling system, the oil cooling system, the auxiliary heating system and the refrigeration system, so that independent control on each cooling loop is realized; meanwhile, interaction of heat exchangers is reduced due to decrease of the lowest temperature; and during low-temperature heating, the systems compensate with one another, so that comfort requirements of a passenger compartment are quickly realized.
Description
Technical field
The present invention relates to plug-in hybrid-power automobile heat management system technical field.
Background technology
In order to meet auto emission and CO at present and in the future
2laws and regulations requirement, plug-in hybrid-power automobile and orthodox car need a set of efficient thermal management system of whole equally.The heat management system of orthodox car only comprises engine cooling usually, the routines such as air-conditioning refrigeration system and change speed gear box cooling, fairly simple comparatively speaking, influence each other between each H Exch less, but for plug-in hybrid-power automobile, not only need conventional engines, change speed gear box, and air-conditioning condenser cools, also need to cool IPU and drive motor, wherein IPU cools General Requirements inflow temperature not higher than 65 DEG C, belong to cooling down, require for relative conventional engines higher for heat exchange conditions, and high/low temperature system influences each other larger, simultaneously under electric-only mode, driving engine does not start, and engine exhaust heat cannot be utilized to heat crew module, now needs by PTC heating system for crew module provides heat, to solve occupant's comfortableness problem.
Summary of the invention
Technical matters to be solved by this invention is that plug-in hybrid-power automobile many covers cooling system is coupled and crew module's heating traveling comfort needs of problems under worst cold case.
To achieve these goals, the technical solution used in the present invention is: hybrid vehicle heat management system, comprising:
High-temperature cooling system: comprise high temperature heat sink, driving engine, mechanical water pump, coolerstat, expansion tank and circulation line;
Low-temperature cooling system: comprise MCU, DC/DC, electronic water pump, fluid reservoir, low-temperature radiator and circulation line;
Air-conditioning refrigeration system: comprise electronic compressor, condenser, expansion valve, evaporator and circulation line;
Hybrid vehicle heat management system also comprises:
Oil cooling system: air cooling type oil cooler is communicated with change speed gear box engine oil passage by oil cooling circulation line, and described oil cooling circulation line is provided with temperature control valve and mechanical oil pump;
Auxiliary heating system: in the car of High-temperature cooling system, heating pipe line is provided with PTC heating arrangement, heats, by being provided with the pipeline bypass of solenoid electric valve and electronic circulation pump between the water inlet of described PTC heating arrangement and the water outlet of heats.
The integrated formation front-end cooling module of described low-temperature radiator, oil cooler, condenser, high temperature heat sink and cooling fan, described low-temperature radiator, high temperature heat sink and oil cooler lay respectively at the top of front-end cooling module, middle part and bottom, described condenser is positioned at the both sides of front-end cooling module, and described cooling fan is positioned at the back side of front-end cooling module.
In described High-temperature cooling system, engine cooling adopts water-cooled, and the described extreme higher position being positioned at High-temperature cooling system, the lid of described expansion tank is provided with pressure valve and vacuum valve.
In described low-temperature cooling system, IPU cooling adopts water-cooled, and electronic water pump drives water constantly to circulate in IPU, low-temperature radiator, and circulating water takes the heat of IPU to radiator, and described fluid reservoir is in electronic water pump front end.
In described oil cooling system, mechanical oil pump drives oil constantly to circulate in CVT change speed gear box, motor, coupling mechanism, oil cooler, described temperature control valve regulates the open and close of oil cooling systemic circulation, when temperature control valve cuts out, oil circulation enters change speed gear box short circle state, rapid raising organism temperature, when temperature control valve is opened, oil enters in oil cooler, carries out circulation temperature lowering.
In auxiliary heating system, when car load is in EV pattern, and when opening heating operating mode, entering PTC electric heating circulation, electronic water pump drives water to be heated by PTC heating arrangement, and sent in crew module's heat exchange core body, when car load source PHEV pattern and engine starting, enter driving engine heating circulation, engine mechanical water pump drives the water after engine body heating by PTC heating arrangement, and sent in crew module's heat exchange core body, for air themperature in heating crew module.
Described when car load source PHEV pattern and engine starting time, if generator speed is lower than specified threshold, then open PTC heating arrangement.
The invention has the advantages that the integrated High-temperature cooling of this heat management system, cooling down, oil cooling, auxiliary heating and refrigeration five big systems, the independence realizing each cooling loop controls, and simultaneously MINly reduces mutually winning of each H Exch; The complementation of low temperature heating phase is repaid, and realizes rapidly the requirement of crew module's traveling comfort.
Accompanying drawing explanation
Below the content that width accompanying drawing every in specification sheets of the present invention is expressed is briefly described:
Fig. 1 is hybrid vehicle heat management system schematic diagram;
Fig. 2 is electric-only mode PTC circulation theory figure;
Fig. 3 is PHEV pattern heating circulation theory figure.
Detailed description of the invention
The object of the invention is to provide a kind of hybrid electric vehicle complete vehicle thermal management technology scheme, by the demand of crew module's heating traveling comfort under the many covers cooling system coupling of heat management integrated technology solution hybrid vehicle and worst cold case.For achieving the above object, the present invention adopts plug-in hybrid-power automobile heat management system integration principle as shown in Figure 1
As shown in Figure 1, plug-in hybrid-power automobile heat management integrated system mainly forms: High-temperature cooling system, low-temperature cooling system, oil cooling system, auxiliary heating system, air-conditioning refrigeration system.Describe in detail for each system unit below:
High-temperature cooling system
Engine high-temperature cooling system main parts size: high temperature heat sink, driving engine, mechanical water pump, coolerstat, expansion tank, associated pipe.
System principle: engine cooling adopts water-cooled, water pump drives water constantly to circulate in driving engine and radiator, and circulating water takes the heat of driving engine to high temperature heat sink.Radiator and the external world carry out interchange of heat and then are fallen apart by heat in air, the natural wind that gas flowing relies on the electrodeless fan of electronics and vehicle to travel.In car load cooling system extreme higher position, expansion tank has been installed, has been convenient to driving engine and radiator degasification, and to the moisturizing of engine water pump front end, expansion tank lid is provided with pressure valve and vacuum valve, impels engine-cooling system to be in optimal pressure range all the time.
In order to impel driving engine temperature rise, economy is provided to increase coolerstat in circulation line, the open and close of mechanical adjustment circulation, when coolerstat is closed, water circulation enters driving engine short circle state, improves organism temperature rapidly, when temperature raises a timing, coolerstat will be opened, and water enters in radiator, carry out circulation temperature lowering.
Low-temperature cooling system
Low-temperature cooling system main parts size: MCU, DC/DC, electronic water pump, fluid reservoir, low-temperature radiator, associated pipe.
System principle: IPU cools and adopts water-cooled, electric water pump drives water constantly to circulate in IPU, low-temperature radiator, circulating water takes the heat of IPU to radiator, radiator and the external world carry out interchange of heat and then are fallen apart by heat in air, the natural wind that gas flowing relies on the electrodeless fan of electronics and vehicle to travel.Fluid reservoir is installed in water pump front end, moisturizing and gas memory action are done to system.
Oil cooling system
Oil cooling system main parts size: air cooling type oil cooler, temperature control valve, oil pump, associated pipe.
System principle: the cooling of CVT change speed gear box, drive motor, coupling mechanism adopts oil cooling, mechanical oil pump drives oil constantly to circulate in CVT change speed gear box, motor, coupling mechanism, oil cooler, recycle oil takes the heat in drive motor, CVT change speed gear box, coupling mechanism to oil cooler, oil cooler carries out interchange of heat again and then is fallen apart by heat in air with the external world, the natural wind that gas flowing relies on the electrodeless cooling fan of electronics and vehicle to travel;
In order to impel CVT change speed gear box, drive motor, coupling mechanism temperature rise, there is provided economy in circulation line, increase oil cooling coolerstat, the open and close of mechanical adjustment circulation, when coolerstat is closed, oil circulation enters change speed gear box short circle state, improves organism temperature rapidly, when temperature raises a timing, coolerstat will be opened, and oil enters in oil cooler, carry out circulation temperature lowering.
PTC auxiliary heating system
Auxiliary heating system main parts size: PTC heating arrangement, electronic circulation pump, crew module's heats, 2/3 solenoid electric valve, associated pipe;
System principle: system principle: when car load is in EV pattern, and when opening heating operating mode, enter PTC electric heating circulation, electronic water pump drives water to be heated by PTC, and sent in crew module's heat exchange core body, (blowing engine drives air to flow through heat exchange core body, and air becomes hot air by heat exchange core body heat transfer) is for air themperature in heating crew module, there is provided traveling comfort, as shown in Figure 2.
When car load source PHEV pattern and engine starting, enter driving engine heating circulation (PTC may exist auxiliary heating), engine mechanical water pump drives the water after engine body heating by PTC (optionally opening heating), and sent in crew module's heat exchange core body, for air themperature in heating crew module, there is provided traveling comfort, as shown in Figure 3.
Air-conditioning refrigeration system
Air-conditioning refrigeration system main parts size: electronic compressor, condenser, expansion valve, evaporator (being integrated in HVAC assembly), associated pipe etc.;
System principle: the refrigerant gas of electronic compressor from evaporator drier low-temp low-pressure in future, the refrigerant gas of boil down to High Temperature High Pressure, condenser is sent to be cooled to the refrigerant liquid of middle temperature high pressure again, flow through again liquid storage drying bottle, by the demand of cooling load, by unnecessary liquid refrigerant storage, refrigerant liquid after dried is at expansion valve reducing pressure by regulating flow, the refrigerant forming droplet shape evaporates in a large number at evaporator, heat absorption, evaporator external temperature is declined, and (blowing engine drives for periods of heating, the most heat of these air is delivered to evaporator and becomes cold air, deliver to again in car) for reducing air themperature in crew module, traveling comfort is provided.After heat absorption, refrigerant is under the suction function of compressor inlet, is sucked into compresser cylinder, and refrigerant carries out next circulation.
Front-end cooling module arrangement
Front-end cooling module mainly comprises: low-temperature radiator, oil cooler, condenser, high temperature heat sink, thermantidote, its arrangement, wherein low-temperature radiator, high temperature heat sink and oil cooler lay respectively at the top of front-end cooling module, middle part and bottom, condenser is positioned at the both sides of front-end cooling module, and cooling fan is positioned at the back side of front-end cooling module.This arrangement, effectively utilizes the maximum payload space of fan, also reduces the impact on condenser and high temperature heat sink of oil cooler and low-temperature radiator as far as possible simultaneously.
Claims (7)
1. hybrid vehicle heat management system, comprising:
High-temperature cooling system: comprise high temperature heat sink, driving engine, mechanical water pump, coolerstat, expansion tank and circulation line;
Low-temperature cooling system: comprise MCU, DC/DC, electronic water pump, fluid reservoir, low-temperature radiator and circulation line;
Air-conditioning refrigeration system: comprise electronic compressor, condenser, expansion valve, evaporator and circulation line;
It is characterized in that: hybrid vehicle heat management system also comprises:
Oil cooling system: air cooling type oil cooler is communicated with change speed gear box engine oil passage by oil cooling circulation line, and described oil cooling circulation line is provided with temperature control valve and mechanical oil pump;
Auxiliary heating system: in the car of High-temperature cooling system, heating pipe line is provided with PTC heating arrangement, heats, by being provided with the pipeline bypass of solenoid electric valve and electronic circulation pump between the water inlet of described PTC heating arrangement and the water outlet of heats.
2. hybrid vehicle heat management system according to claim 1, it is characterized in that: the integrated formation front-end cooling module of described low-temperature radiator, oil cooler, condenser, high temperature heat sink and cooling fan, described low-temperature radiator, high temperature heat sink and oil cooler lay respectively at the top of front-end cooling module, middle part and bottom, described condenser is positioned at the both sides of front-end cooling module, and described cooling fan is positioned at the back side of front-end cooling module.
3. hybrid vehicle heat management system according to claim 1, it is characterized in that: in described High-temperature cooling system, engine cooling adopts water-cooled, the described extreme higher position being positioned at High-temperature cooling system, the lid of described expansion tank is provided with pressure valve and vacuum valve.
4. hybrid vehicle heat management system according to claim 1, it is characterized in that: in described low-temperature cooling system, IPU cooling adopts water-cooled, electronic water pump drives water constantly to circulate in IPU, low-temperature radiator, circulating water takes the heat of IPU to radiator, and described fluid reservoir is in electronic water pump front end.
5. hybrid vehicle heat management system according to claim 1, it is characterized in that: in described oil cooling system, mechanical oil pump drives oil constantly to circulate in CVT change speed gear box, motor, coupling mechanism, oil cooler, described temperature control valve regulates the open and close of oil cooling systemic circulation, when temperature control valve cuts out, oil circulation enters change speed gear box short circle state, improves organism temperature rapidly, when temperature control valve is opened, oil enters in oil cooler, carries out circulation temperature lowering.
6. hybrid vehicle heat management system according to claim 1, it is characterized in that: in auxiliary heating system, when car load is in EV pattern, and when opening heating operating mode, enter PTC electric heating circulation, electronic water pump drives water to be heated by PTC heating arrangement, and sent in crew module's heat exchange core body, when car load source PHEV pattern and engine starting, enter driving engine heating circulation, engine mechanical water pump drives the water after engine body heating by PTC heating arrangement, and sent in crew module's heat exchange core body, for air themperature in heating crew module.
7. hybrid vehicle heat management system according to claim 6, is characterized in that: described when car load source PHEV pattern and engine starting time, if generator speed is lower than specified threshold, then open PTC heating arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510546565.4A CN105172522B (en) | 2015-08-31 | 2015-08-31 | Hybrid vehicle heat management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510546565.4A CN105172522B (en) | 2015-08-31 | 2015-08-31 | Hybrid vehicle heat management system |
Publications (2)
| Publication Number | Publication Date |
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| CN105172522A true CN105172522A (en) | 2015-12-23 |
| CN105172522B CN105172522B (en) | 2017-11-14 |
Family
ID=54895148
Family Applications (1)
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| CN201510546565.4A Active CN105172522B (en) | 2015-08-31 | 2015-08-31 | Hybrid vehicle heat management system |
Country Status (1)
| Country | Link |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650621A (en) * | 2017-10-19 | 2018-02-02 | 汽-大众汽车有限公司 | A kind of plug-in hybrid electric vehicle heat management system |
| CN107839432A (en) * | 2017-11-28 | 2018-03-27 | 中国第汽车股份有限公司 | The thermal management system of whole of plug-in hybrid-power automobile |
| CN107839433A (en) * | 2017-11-28 | 2018-03-27 | 中国第汽车股份有限公司 | The thermal management system of whole of plug-in hybrid-power automobile |
| CN108843440A (en) * | 2018-05-30 | 2018-11-20 | 吉利汽车研究院（宁波）有限公司 | Vehicle cooling system, method and automobile |
| CN109344557A (en) * | 2018-11-30 | 2019-02-15 | 安徽江淮汽车集团股份有限公司 | A kind of analysis method and system of automobile hot property |
| CN112098104A (en) * | 2020-07-30 | 2020-12-18 | 东风汽车集团有限公司 | Temperature control valve rack of thermal management system |
| CN114274727A (en) * | 2021-11-29 | 2022-04-05 | 重庆长安汽车股份有限公司 | Hybrid electric vehicle thermal management system and operation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107650621A (en) * | 2017-10-19 | 2018-02-02 | 汽-大众汽车有限公司 | A kind of plug-in hybrid electric vehicle heat management system |
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| CN107839433A (en) * | 2017-11-28 | 2018-03-27 | 中国第汽车股份有限公司 | The thermal management system of whole of plug-in hybrid-power automobile |
| CN107839432B (en) * | 2017-11-28 | 2024-02-20 | 中国第一汽车股份有限公司 | Whole vehicle thermal management system of plug-in hybrid electric vehicle |
| CN107839433B (en) * | 2017-11-28 | 2024-02-23 | 中国第一汽车股份有限公司 | Whole vehicle thermal management system of plug-in hybrid electric vehicle |
| CN108843440A (en) * | 2018-05-30 | 2018-11-20 | 吉利汽车研究院（宁波）有限公司 | Vehicle cooling system, method and automobile |
| CN109344557A (en) * | 2018-11-30 | 2019-02-15 | 安徽江淮汽车集团股份有限公司 | A kind of analysis method and system of automobile hot property |
| CN112098104A (en) * | 2020-07-30 | 2020-12-18 | 东风汽车集团有限公司 | Temperature control valve rack of thermal management system |
| CN112098104B (en) * | 2020-07-30 | 2022-03-29 | 东风汽车集团有限公司 | Temperature control valve rack of thermal management system |
| CN114274727A (en) * | 2021-11-29 | 2022-04-05 | 重庆长安汽车股份有限公司 | Hybrid electric vehicle thermal management system and operation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105172522B (en) | 2017-11-14 |
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