CN101397008A - Hybrid vehicle battery warming-up method - Google Patents
Hybrid vehicle battery warming-up method Download PDFInfo
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- CN101397008A CN101397008A CNA200710077325XA CN200710077325A CN101397008A CN 101397008 A CN101397008 A CN 101397008A CN A200710077325X A CNA200710077325X A CN A200710077325XA CN 200710077325 A CN200710077325 A CN 200710077325A CN 101397008 A CN101397008 A CN 101397008A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000005611 electricity Effects 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims description 22
- 238000010792 warming Methods 0.000 claims description 11
- 230000001141 propulsive effect Effects 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 description 7
- 238000012546 transfer Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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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
- Y02T10/62—Hybrid vehicles
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Abstract
The invention discloses a battery warm-up method for hybrid cars, and the method is that when the temperature of a car battery is lower, the battery can be recharged or discharged with small capacity to increase the internal temperature of the battery, so that the battery can work within the best using temperature range. The main steps are as follows: the temperature of storage batteries is checked and the car running state is determined; the SOC of the storage batteries is checked, if the SOC is lower than some set value, the rotating speed of an engine is increased in order to drive a hybrid motor to recharge the storage batteries; and if the SOC is higher than some set value, the storage batteries provide electricity for the hybrid motor to drive the engine until the electric energy is consumed to be lower than some set value, then the rotating speed of the engine is increased in order to drive the hybrid motor to recharge the storage batteries. The method makes use of the recharging or discharging work on the car storage batteries, so that the battery temperature is increased to the appropriate temperature without adding any hardware, and the method is simple and effective, and has high operability and practicability.
Description
Technical field
The present invention relates to a kind of using method of battery, especially relate to a kind ofly in hybrid vehicle, make the temperature of electrokinetic cell be kept above a certain threshold value, make battery obtain high efficient and a kind of method of warming up in life-span.
Background technology
Motor vehicle driven by mixed power is by from travelling such as the driving engine of combustion engine with such as at least one the propulsive effort in the electrical motor of rotating machine.Optionally use the driving engine of motor vehicle driven by mixed power and electrical motor effectively to utilize driving engine and electrical motor characteristic separately according to the motoring condition of vehicle.Compare with the vehicle that only utilizes driving engine to travel, motor vehicle driven by mixed power consumes less fuel usually and discharges less exhaust (waste gas).Electrokinetic cell is very important parts on the hybrid vehicle.Prove on evidence, when electrokinetic cell only can obtain higher efficient and long service life in some specific range of temperatures, for example the lead plumbate battery is just long more in high more its life-span of temperature, but when surpassing 50 ℃, the temperature that raises again will shorten its service life, the efficiency ratio of the charge/discharge of battery is higher in 30 ℃～45 ℃ scopes, and the charge/discharge current that allows is also bigger, and the life-span of battery is also normal.If therefore the temperature of battery is low excessively, then the efficient of battery can be very low; And if the charge/discharge current of this moment is also bigger, the life-span of battery can be had a strong impact on.
Along with reaching its maturity of hybrid vehicle product and market, people are maintaining battery, the service life that guarantees battery, and the warming-up of the electrokinetic cell of hybrid vehicle has also been proposed a lot of methods.Existing method considers mainly that battery should not be worked and the use control method that proposes under high temperature environment too.Chinese invention patent application number 200610137882.1 discloses the integrated power supply control platform that a kind of motor vehicle driven by mixed power is used, in this platform just for guarantee battery operated in uniform temperature to be arranged with cooling system, but do not consider that electrokinetic cell possible temperature under multiple situation is low excessively, particularly in place/time of weather cold, when for example getting up firm start the engine the morning of getting up second day winter, perhaps at crowded street/crossing, the vehicle long period advances slowly even stagnation, electrokinetic cell because frequency of utilization is too low because heat radiation causes the become problem of very low grade of temperature.
Summary of the invention
The technical problem to be solved in the present invention is, only consider the influence of high temperature when using hybrid power automobile battery in the prior art to electrokinetic cell in order to remedy, and do not consider the deficiency of low temperature to the influence of electrokinetic cell, provide a kind of electrokinetic cell when low temperature, battery to be carried out the method for warming-up.
The present invention for the technical scheme that solves its technical matters and adopt is: a kind of hybrid vehicle storage battery method of warming up, described hybrid vehicle has burning by fuel and produces the driving engine of propulsive effort, not only can produce propulsive effort but also the hybrid powder motor that can generate electricity and electric power is provided and accepts its storage batteries to described hybrid powder motor, vehicle is sailed by at least one the respective drive Lixing from driving engine and hybrid powder motor, may further comprise the steps:
(1), detect the temperature of described storage battery, determine its whether low a certain threshold value;
(2), if step (1) in the result be sure, then carry out step (3), otherwise return step (1);
(3), determine that vehicle is to be in idling/warm-up mode, still is in the cruising state;
(4), if the result determines that vehicle is to be in idling/warm-up mode in the step (1), then carry out step (5), determine that vehicle is to be in the cruising state to carry out step (6);
(5), detect the SOC (capacity of cell) of described storage battery, if SOC is lower than a certain setting value, the rotating speed that then improves described driving engine charges to described storage battery to drive described hybrid powder motor; If SOC is higher than a certain setting value, then provide electric power to drive described driving engine to described hybrid powder motor by described storage battery, power consumption is fallen, until when the SOC step-down time, the rotating speed that then improves described driving engine charges to described storage battery to drive described hybrid powder motor, the charge/discharge of battery is carried out repeatedly, be higher than a certain threshold value up to the temperature of battery;
(6), detect the SOC of described storage battery, if the SOC of described storage battery is lower than a certain setting value, then described driving engine exceeds the required moment of torsion of vehicle ' with output, drives described hybrid powder motor and generates electricity, and comes the right storage battery of stating to charge; If the SOC of battery is higher than a certain setting value, then reduce the output torque of described driving engine, utilize described hybrid powder motor to come to provide drive torque as vehicle by the electric energy that uses described storage battery; The charge/discharge of battery is carried out repeatedly, is higher than a certain threshold value up to the temperature of battery.
Good effect of the present invention is, because utilization is carried out charge/discharge work to storage battery, the temperature build-up that makes battery does not increase hardware to suitable temperature, and method is simply effective, has very strong operability and practicality.
Further specify the present invention below in conjunction with embodiment and accompanying drawing.
Description of drawings
Fig. 1 is the organigram of hybrid power system of the present invention.
Fig. 2 is the control circuit figure of hybrid power system of the present invention.
Fig. 3 is a kind of hybrid vehicle storage battery of the present invention method of warming up diagram of circuit.
Among the figure: 1, driving engine, 2, hybrid powder motor, 3, power-transfer clutch, 4, change speed gear box, 5, wheel, 6, transmission shaft.
The specific embodiment
As shown in Figure 1, described hybrid vehicle has the driving engine 1 that produces propulsive effort by the burning of fuel, the hybrid powder motor 2 that not only can produce propulsive effort but also can generate electricity, connect power-transfer clutch 3 after driving engine 1 and hybrid powder motor 2 series connection, realize and being connected and disengaging of change speed gear box 4 by power-transfer clutch 3, change speed gear box 4 links to each other with wheel 5 by transmission shaft 6, the moment of torsion of at least one output in driving engine 1 and the hybrid powder motor 2 is driven wheel 5 later on by speed change rotate, and makes running car.As shown in Figure 2, the control system of this hybrid vehicle is the center with hybrid controller (HCU), respectively by engine management system (EMS) management engine system, electric machine controller (MCU) by the output voltage of driving circuit control inversion and the work of current control hybrid powder motor, the use of battery management system (BMS) management battery, the method for warming up of the battery of hybrid vehicle of the present invention is realized by BMS.Here be to carry out communication between EMS, HCU, BMS and the MCU by the CAN network.
A kind of as shown in Figure 3 hybrid vehicle storage battery method of warming up diagram of circuit.Division is as follows:
1. in hybrid power system, motor and driving engine, change speed gear box coaxial arrangement.This motor can be used as electrical generator and uses, and is generated electricity by the engine drive motor, and electrokinetic cell is charged; Motor also can be used as actuator and uses, and the electric power by the working power battery comes to provide propulsive effort for vehicle.
2. battery management system can be known the temperature of electrokinetic cell by temperature sensor, and temperature signal is sent to hybrid controller.When the temperature of electrokinetic cell exceeds preset range, battery management system will disconnect battery automatically, and battery is quit work, with the protection battery.For example scope is predefined for [T1, T2], if battery temperature less than T1, battery will be disconnected, [T1, T2] is [20 ℃, 50 ℃] generally speaking.
3. hybrid controller is controlled the use of battery by send instruction to battery management system.Hybrid controller need make the temperature maintenance of battery a reasonable range by reasonably using battery.When the temperature of battery be lower than a certain threshold value T3 (T1＜T3＜T2), be 35 ℃ such as T3, hybrid controller is the working power battery more energetically, allows battery work more continually with a less power; In process to institute's art storage battery charge/discharge, charge/discharge power that should limit battery, littler than following charge/discharge power that can allow of normal circumstances, when battery temperature greater than a certain threshold value T4 (T1＜T4＜T2 and T3＜T4), such as T4 is 48 ℃, and hybrid controller should reduce avoids damaging owing to temperature is too high battery to the use of electrokinetic cell.The range of temperatures of [T3, T4] is the more satisfactory operating range of electrokinetic cell, and hybrid controller should make the temperature maintenance of electrokinetic cell within this scope.
4. battery management system can calculate the SOC of battery according to correlation parameter, and the SOC data are sent to hybrid controller by the CAN network.If the SOC of battery exceeds a certain scope, as greater than 90%, battery management system will disconnect battery, because excessive charging (SOC is too high) and excessive discharge (SOC is low excessively) all can badly influence the life-span of electrokinetic cell.The SOC scope of supposing the battery management system identification is [SOC1, SOC2], [SOC1, SOC2] be [40%, 80%] if actual measurement to SOC be lower than SOC1 or be higher than SOC2, battery management system will disconnect battery, and battery is quit work.
5. hybrid controller remains on a certain scope [SOC3, SOC4] with the SOC that makes battery as far as possible in the process of vehicle operation, as [65%, 75%], so that make battery can obtain higher efficient, power and life-span.When the battery SOC that records in this scope and relatively near SOC3, then hybrid controller can more be partial to allow electric power generation come to power battery charging.When the battery SOC that records goes out in the scope at [SOC3, SOC4] and relatively near SOC4, then hybrid controller can tend to allow the electric energy of motor working power battery come the auxiliary engine powered vehicle.
6. hybrid controller is according to judge whether needs warming-up of electrokinetic cell from the battery temperature signal of battery management system.The warming-up of electrokinetic cell can be divided into two kinds according to the current working of vehicle, and a kind of is that vehicle is in idling/warm-up mode, and a kind of is that vehicle is in the cruising state.
7. hybrid controller passes through the detection of engine rotating speed, the cooling-liquid temperature and the speed of a motor vehicle, and clutch engagement signal, neutral signal wait judges that vehicle is to be in idling/warm-up mode, or the cruising state, or other state.
8. be in idling/warm-up mode when vehicle, and electrokinetic cell needs warming-up, hybrid controller can calculate new engine speed according to the height of battery temperature, suitably improve the rotating speed of driving engine.Battery temperature is low more in principle, requires engine speed high more.Hybrid controller starts new rotary speed instruction to engine management system by the CAN network.But the engine speed that has improved can not surpass the demand boundary of engine idle/warming-up, avoids having influence on engine life and makes the discharging variation.
9. work as vehicle and be in idling/warm-up mode, and electrokinetic cell needs the words of warming-up, hybrid controller can further detect the SOC of battery, judge according to the size of SOC and should allow the engine drive motor come electrokinetic cell is charged, still allow the electric power of motor working power battery that drive torque is provided, and instruction started to electric machine controller, electric machine controller is selected generating or drive pattern.
10. hybrid controller calculates the generating of motor or the size of drive torque according to parameters such as SOC and battery temperatures, and instruction is sent to electric machine controller, and the motor controller controls motor is exported cooresponding moment of torsion or generated electricity with corresponding torque.The moment of torsion of electric power generation/driving can be limited in one with respect to small range under the normal operation, because excessive power generation torque may make the engine off that is under idling/warming-up operating mode; And excessive drive torque may make driving engine break away from idling/warming-up operating mode; And, can not bear big charge/discharge current because the temperature of battery is lower.
11. be in idling/warm-up mode when vehicle, and electrokinetic cell needs warming-up, the charging of electrokinetic cell and discharge can be processes of carrying out repeatedly.When the SOC of electrokinetic cell become owing to charging higher after, hybrid controller can allow motor be transformed into drive pattern; To the SOC of electrokinetic cell owing to discharge become low after, hybrid controller can allow motor change power generation mode over to, and battery is charged, and so repeatedly, is enhanced up to battery temperature and is higher than a certain threshold value, perhaps vehicle withdraws from idling/warming-up operating mode.
12. when vehicle is under the cruising operating mode, and electrokinetic cell needs warming-up, and hybrid controller can be adjusted the output torque of driving engine, and according to the size of battery SOC, allow the too much torque drive motor of driving engine output generate electricity, give power battery charging; Perhaps allow driving engine export less moment of torsion, allow the electric energy of motor working power battery that some drive torques are provided then.If the SOC of battery is lower, then allow the engine drive electric power generation that battery is charged; If the SOC of battery is higher, then provide the part moment of powered vehicle with the electric power of battery.
13. be under the cruising operating mode when vehicle, and electrokinetic cell needs warming-up, hybrid controller can calculate the moment that moment that motor should export or motor should be used to generate electricity according to the parameters such as temperature of battery SOC and battery.Be that battery temperature is low more in principle, moment is big more; SOC is the closer to lower limit, and power generation torque is big more, and SOC is the closer to the upper limit, and drive torque is big more.Compare with normal working, the driving/power generation torque of motor can be limited in one more among a small circle, to prevent because of the battery excessive battery life that damages of charge/discharge current at low temperatures.
14. hybrid controller can be adjusted the moment of corresponding adjustment driving engine according to the moment of motor, if motor will generate electricity, then driving engine can provide the bigger moment more required than powered vehicle; If motor will provide drive torque, then driving engine can reduce output torque.
15. when vehicle is under the cruising operating mode, and electrokinetic cell needs the words of warming-up, the charging of battery and discharge are processes repeatedly, be enhanced up to battery temperature and be higher than a certain threshold value, perhaps occur the situation do not allow motor to generate electricity or drive in the vehicle working condition, for example ABS just in action.
Claims (6)
1. hybrid vehicle storage battery method of warming up, described hybrid vehicle has burning by fuel and produces the driving engine of propulsive effort, not only can produce propulsive effort but also the hybrid powder motor that can generate electricity and electric power is provided and accepts its storage batteries to described hybrid powder motor, vehicle is sailed by at least one the respective drive Lixing from driving engine and hybrid powder motor, and it may further comprise the steps:
(1), detect the temperature of storage battery, determine its whether low a certain setting threshold;
(2), if step (1) in the result be sure, then carry out step (3); Otherwise return step (1);
(3), determine that vehicle is to be in idling/warm-up mode, still is in the cruising state;
(4), if the result determines that vehicle is to be in idling/warm-up mode in the step (3), then carry out step (5), if determine that vehicle is to be in the cruising state then to carry out step (6);
(5), detect the SOC of storage battery, if SOC is lower than a certain setting value, the rotating speed that then improves driving engine charges to storage battery to drive hybrid powder motor; If SOC is higher than a certain setting value, then provide electric power to drive described driving engine to hybrid powder motor by storage battery, power consumption dropped to be lower than a certain setting value, the rotating speed that then improves driving engine charges to storage battery to drive hybrid powder motor, the charge/discharge of battery is carried out repeatedly, be higher than a certain threshold value up to the temperature of battery;
(6), detect the SOC of storage battery, if SOC is lower than a certain setting value, then driving engine exceeds the required moment of torsion of vehicle ' with output, drives hybrid powder motor and generates electricity, and comes storage battery is charged; If SOC is higher than a certain setting value, then reduce the output torque of driving engine, utilize hybrid powder motor to come to provide drive torque as vehicle by the electric energy that uses storage battery; The charge/discharge of battery is carried out repeatedly, is higher than a certain threshold value up to the temperature of battery.
2. hybrid vehicle storage battery method of warming up according to claim 1 is characterized in that: described idling/warm-up mode represents that vehicle is in halted state, comprises idling operation and warming-up operating mode.
3. hybrid vehicle storage battery method of warming up according to claim 2 is characterized in that: described warming-up operating mode represents that vehicle is just in cold start-up, behind the engine starting, low cruise, to improve the temperature of itself, can drive the hybrid powder motor generating simultaneously, but vehicle does not move also.
4. hybrid vehicle storage battery method of warming up according to claim 1 is characterized in that: in the described step (5), described SOC be lower than a certain setting value be SOC less than 60%, SOC is higher than a certain setting value and represents that SOC is greater than 60%.
5. hybrid vehicle storage battery method of warming up according to claim 1 is characterized in that: in the described step (6), described SOC be lower than a certain setting value be SOC less than 60%, SOC is higher than a certain setting value and represents that SOC is greater than 60%.
6. hybrid vehicle storage battery method of warming up according to claim 1 is characterized in that: in process to described storage battery charge/discharge, charge/discharge power that should limit battery is littler than following charge/discharge power that can allow of normal circumstances.
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| CNA200710077325XA CN101397008A (en) | 2007-09-25 | 2007-09-25 | Hybrid vehicle battery warming-up method |
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Cited By (17)
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| CN101818697A (en) * | 2010-04-30 | 2010-09-01 | 奇瑞汽车股份有限公司 | Method and device for managing output torque |
| CN102211580A (en) * | 2010-04-07 | 2011-10-12 | 北汽福田汽车股份有限公司 | Hybrid power control method, hybrid power control device and power system |
| CN101643070B (en) * | 2009-09-03 | 2012-07-04 | 上海汽车集团股份有限公司 | Control method of cold start of hybrid power system |
| CN102540089A (en) * | 2010-11-29 | 2012-07-04 | 通用汽车环球科技运作有限责任公司 | Dynamic battery capacity estimation |
| CN102756728A (en) * | 2011-04-29 | 2012-10-31 | 台达电子工业股份有限公司 | Hybrid electric vehicle and starting method for hybrid electric vehicle |
| CN101648511B (en) * | 2009-09-04 | 2012-11-28 | 奇瑞汽车股份有限公司 | Control method of engine speed of hybrid car in generating state |
| CN102958776A (en) * | 2011-01-13 | 2013-03-06 | 日野自动车株式会社 | Regeneration control device, hybrid automobile, regeneration control method, and program |
| CN103228517A (en) * | 2010-11-30 | 2013-07-31 | 戴姆勒股份公司 | Equipment warm-up battery for hybrid electric automobile |
| WO2016091187A1 (en) * | 2014-12-10 | 2016-06-16 | 比亚迪股份有限公司 | Automobile starting control system and automobile |
| CN105922984A (en) * | 2016-04-22 | 2016-09-07 | 北京新能源汽车股份有限公司 | Hybrid electric vehicle and power system control method and device thereof |
| CN106080242A (en) * | 2016-07-07 | 2016-11-09 | 扬子江汽车集团有限公司 | The power of motor control method of pure electric automobile and system |
| CN110391482A (en) * | 2019-07-22 | 2019-10-29 | 安徽江淮汽车集团股份有限公司 | Battery is rapidly heated method, apparatus, equipment and storage medium |
| CN112428881A (en) * | 2020-12-04 | 2021-03-02 | 浙江吉利控股集团有限公司 | Battery heating method and heating system for hybrid vehicle |
| CN112721729A (en) * | 2020-12-29 | 2021-04-30 | 联合汽车电子有限公司 | Control method and control system of battery |
| CN113043913A (en) * | 2019-12-27 | 2021-06-29 | 长城汽车股份有限公司 | Low-temperature control method and device for hybrid electric vehicle |
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| CN115158099A (en) * | 2022-07-11 | 2022-10-11 | 中国第一汽车股份有限公司 | Power battery thermal management method and device, vehicle and storage medium |
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2007
- 2007-09-25 CN CNA200710077325XA patent/CN101397008A/en active Pending
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| CN101643070B (en) * | 2009-09-03 | 2012-07-04 | 上海汽车集团股份有限公司 | Control method of cold start of hybrid power system |
| CN101648511B (en) * | 2009-09-04 | 2012-11-28 | 奇瑞汽车股份有限公司 | Control method of engine speed of hybrid car in generating state |
| CN102211580A (en) * | 2010-04-07 | 2011-10-12 | 北汽福田汽车股份有限公司 | Hybrid power control method, hybrid power control device and power system |
| CN101818697A (en) * | 2010-04-30 | 2010-09-01 | 奇瑞汽车股份有限公司 | Method and device for managing output torque |
| CN101818697B (en) * | 2010-04-30 | 2013-01-30 | 奇瑞汽车股份有限公司 | Method and device for managing output torque |
| CN102540089A (en) * | 2010-11-29 | 2012-07-04 | 通用汽车环球科技运作有限责任公司 | Dynamic battery capacity estimation |
| CN103228517A (en) * | 2010-11-30 | 2013-07-31 | 戴姆勒股份公司 | Equipment warm-up battery for hybrid electric automobile |
| US9120480B2 (en) | 2010-11-30 | 2015-09-01 | Daimler Ag | Battery warm-up apparatus of hybrid electric vehicle |
| CN103228517B (en) * | 2010-11-30 | 2018-03-09 | 戴姆勒股份公司 | The battery warming apparatus of hybrid electric vehicle |
| CN102958776A (en) * | 2011-01-13 | 2013-03-06 | 日野自动车株式会社 | Regeneration control device, hybrid automobile, regeneration control method, and program |
| CN102756728A (en) * | 2011-04-29 | 2012-10-31 | 台达电子工业股份有限公司 | Hybrid electric vehicle and starting method for hybrid electric vehicle |
| WO2016091187A1 (en) * | 2014-12-10 | 2016-06-16 | 比亚迪股份有限公司 | Automobile starting control system and automobile |
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| CN105730258B (en) * | 2014-12-10 | 2019-07-26 | 比亚迪股份有限公司 | The Iganition control system and automobile of automobile |
| US11097634B2 (en) | 2014-12-10 | 2021-08-24 | Byd Company Limited | Start control system of vehicle and vehicle having the same |
| CN105922984A (en) * | 2016-04-22 | 2016-09-07 | 北京新能源汽车股份有限公司 | Hybrid electric vehicle and power system control method and device thereof |
| CN106080242B (en) * | 2016-07-07 | 2018-09-14 | 扬子江汽车集团有限公司 | The power of motor control method and system of pure electric automobile |
| CN106080242A (en) * | 2016-07-07 | 2016-11-09 | 扬子江汽车集团有限公司 | The power of motor control method of pure electric automobile and system |
| CN110391482A (en) * | 2019-07-22 | 2019-10-29 | 安徽江淮汽车集团股份有限公司 | Battery is rapidly heated method, apparatus, equipment and storage medium |
| CN113043913A (en) * | 2019-12-27 | 2021-06-29 | 长城汽车股份有限公司 | Low-temperature control method and device for hybrid electric vehicle |
| CN113043913B (en) * | 2019-12-27 | 2022-07-19 | 长城汽车股份有限公司 | Low-temperature control method and device for hybrid electric vehicle |
| CN112428881A (en) * | 2020-12-04 | 2021-03-02 | 浙江吉利控股集团有限公司 | Battery heating method and heating system for hybrid vehicle |
| CN112721729A (en) * | 2020-12-29 | 2021-04-30 | 联合汽车电子有限公司 | Control method and control system of battery |
| CN112721729B (en) * | 2020-12-29 | 2023-03-03 | 联合汽车电子有限公司 | Control method and control system of battery |
| CN114670712A (en) * | 2022-03-24 | 2022-06-28 | 东风汽车集团股份有限公司 | Temperature control method, vehicle, and storage medium |
| CN115158099A (en) * | 2022-07-11 | 2022-10-11 | 中国第一汽车股份有限公司 | Power battery thermal management method and device, vehicle and storage medium |
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Application publication date: 20090401 |