CN110712567A - Power battery preheating method and device, vehicle and storage medium - Google Patents
Power battery preheating method and device, vehicle and storage medium Download PDFInfo
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- CN110712567A CN110712567A CN201810672745.0A CN201810672745A CN110712567A CN 110712567 A CN110712567 A CN 110712567A CN 201810672745 A CN201810672745 A CN 201810672745A CN 110712567 A CN110712567 A CN 110712567A
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- battery
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
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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
Abstract
The disclosure relates to a power battery preheating method, a power battery preheating device, a vehicle and a storage medium, which can preheat a power battery before charging and save the charging time of the power battery. The method comprises the following steps: receiving a battery preheating instruction from a terminal; and according to the battery preheating command, supplying power to a heater through an on-board battery of the vehicle so as to preheat a power battery of the vehicle.
Description
Technical Field
The disclosure relates to the technical field of vehicles, in particular to a power battery preheating method, a power battery preheating device, a vehicle and a storage medium.
Background
In recent years, under the call of vigorous support of national policies and energy conservation and emission reduction, new energy automobiles gradually become pets of various large enterprises, and the popularization rate of electric automobiles and oil-electric hybrid automobiles is higher and higher. For a new energy automobile, a power battery is a core component for providing power for the new energy automobile.
At present, in winter, particularly in the north, the weather environment is severe, and the environmental temperature is low, so that the charging efficiency of the new energy automobile power battery is low, particularly during high-power charging, the charging period can be prolonged, and the service life of the power battery can be influenced.
Disclosure of Invention
The invention aims to provide a power battery preheating method, a power battery preheating device, a vehicle and a storage medium, which can preheat a power battery before charging and save the charging time of the power battery.
According to a first aspect of the embodiments of the present disclosure, there is provided a power battery preheating method, including:
receiving a battery preheating instruction from a terminal;
and according to the battery preheating command, supplying power to a heater through an on-board battery of the vehicle so as to preheat a power battery of the vehicle.
Optionally, the heater is powered by an on-board battery of the vehicle, including:
when the vehicle is in a non-driving state, the heater is powered by an energy storage battery of the vehicle, and when the electric quantity of the energy storage battery is insufficient, the heater is powered by a storage battery of the vehicle;
when the vehicle is in a running state, the heater is powered by the energy storage battery, and when the electric quantity of the energy storage battery is insufficient, the heater is powered by the power battery;
the energy storage battery can be charged by solar energy through being connected with the solar cell panel.
Optionally, the method further includes:
supplying power to a battery management system of the vehicle through the energy storage battery or the storage battery;
monitoring battery parameters of the power battery through the battery management system, wherein the battery parameters at least comprise temperature information;
and sending the battery parameters of the power battery to a server so that the terminal can acquire the battery parameters of the power battery by connecting with the server.
Optionally, after receiving a battery warm-up command from the terminal, the method further includes:
awakening an inversion control module of the vehicle;
detecting whether a power battery preheating loop comprising the inversion control module is normal or not;
supplying power to a heater by an on-board battery of the vehicle, comprising:
and when the preheating loop is normal, distributing the electric energy of the vehicle-mounted battery to the heater through the inverter control module.
Optionally, after the heater is powered by an on-board battery of the vehicle, the method further includes:
detecting whether the temperature of the power battery reaches a preset threshold value or not;
and stopping supplying power to the heater after the temperature of the power battery reaches the preset threshold value.
According to a second aspect of the embodiments of the present disclosure, there is provided a vehicle including:
the vehicle-mounted battery comprises a power battery, an energy storage battery and a storage battery;
the vehicle control unit is used for receiving a battery preheating instruction from the terminal;
and the inversion control module is connected with the vehicle control unit and the vehicle-mounted battery and used for supplying power to the heater through one of the vehicle-mounted batteries when the vehicle control unit receives the battery preheating instruction so as to preheat the power battery of the vehicle.
Optionally, the vehicle further includes a solar panel, and the inverter control module is configured to:
the solar energy storage battery is charged by the solar panel;
when the vehicle is in a non-driving state, the heater is powered by the energy storage battery, and when the electric quantity of the energy storage battery is insufficient, the heater is powered by the storage battery;
when the vehicle is in a running state, the heater is powered by the energy storage battery, and when the electric quantity of the energy storage battery is insufficient, the heater is powered by the power battery;
optionally, the vehicle further comprises:
the battery management system is connected with the vehicle-mounted battery and the vehicle controller, is powered by the energy storage battery or the storage battery, and is used for monitoring battery parameters of the power battery and sending the battery parameters to the vehicle controller, wherein the battery parameters at least comprise temperature information;
the vehicle control unit is used for sending the battery parameters of the power battery to a server, so that the terminal can obtain the battery parameters of the power battery by connecting with the server.
Optionally, the vehicle control unit is further configured to:
after receiving a battery preheating instruction from a terminal, awakening an inverter control module of the vehicle, and detecting whether a power battery preheating loop comprising the inverter control module is normal;
the inverter control module is used for distributing the electric energy of the vehicle-mounted battery to the heater when the preheating loop is normal.
Optionally, the vehicle control unit is further configured to:
detecting whether the temperature of the power battery reaches a preset threshold value or not;
the inverter control module is further used for stopping supplying power to the heater after the vehicle control unit detects that the temperature of the power battery reaches the preset threshold value.
According to a third aspect of the embodiments of the present disclosure, there is provided a power battery preheating device applied to a vehicle, including:
the instruction receiving module is used for receiving a battery preheating instruction from the terminal;
and the heating module is used for supplying power to the heater through a vehicle-mounted battery of the vehicle according to the battery preheating instruction so as to preheat the power battery.
According to a fourth aspect of embodiments of the present disclosure, there is provided a computer-readable storage medium having stored thereon computer program instructions, characterized in that the program instructions, when executed by a processor, implement the steps of the method of any one of the first aspects.
In the embodiment of the disclosure, the vehicle may receive a battery preheating command from the terminal, and then supply power to the heater through an on-board battery of the vehicle according to the battery preheating command, so as to preheat a power battery of the vehicle. Through such a mode, the user can preheat power battery on the terminal before charging power battery, can directly charge the battery afterwards in being convenient for, and it is consuming time to reduce to charge, prolongs power battery life-span, simultaneously, compare in inserting the mode that charges the rifle and preheat, need not extra consumption and fill the electric energy of electric pile, more power saving.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a schematic diagram of an implementation environment shown in accordance with an exemplary embodiment;
FIG. 2 is a flow chart illustrating a power cell warm-up method according to an exemplary embodiment;
FIG. 3 is a block diagram of a vehicle shown in accordance with an exemplary embodiment;
FIG. 4 is a block diagram illustrating a power battery preheating arrangement according to an exemplary embodiment.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
First, an implementation environment of the present disclosure will be described. Referring to fig. 1, fig. 1 is a schematic diagram of a possible implementation environment provided in the embodiment of the disclosure. The vehicle 100 includes a vehicle control unit 10, a BMS (Battery Management System) (i.e., a Battery Management System 15), two sets of power batteries 11, an energy storage Battery 12, a storage Battery 13, a heater 14, an inverter control module 16, and a solar cell panel 17, and the connection relationship between the components is shown in fig. 1. The vehicle controller 10 of the vehicle 100 may communicate with the server 18 through a network, and the server 18 may communicate with the user terminal 19 through the network, so that the vehicle 100 may communicate with the terminal 19 through the server 18.
The battery management system 15 may manage each battery included in the vehicle 100, such as detecting whether each battery has a fault, collecting temperature and power parameters of each battery, and the like.
The heater 14 can be used to heat the power battery 11, and the heater 14 may be, for example, a PTC (thermistor), or the like.
The inversion control module 16 has functions of intelligent control and power distribution, for example, electric energy of a charging gun (not shown in fig. 1) and the solar panel 17 is reasonably distributed to electric components such as the energy storage battery 12, the power battery 11, charging sockets inside and outside the vehicle, the heater 14, and the like. When the solar cell panel 17 works, electric energy is transmitted to the inversion control module 16, and the electric quantity of the energy storage battery 12 is preferably ensured to be sufficient after the inversion control module 16 rectifies the electric energy. That is, when the energy storage battery 12 is not fully charged, the inverter control module 16 will charge the energy storage battery 12 with the rectified electric energy; when the energy storage battery 12 is fully charged and the battery management system 15 detects that the electric quantity of the power battery 11 is less than 100%, the inverter control module 16 converts the electric quantity to a power battery voltage platform, and supplies the electric energy to the power battery 11 for charging.
Fig. 2 is a flow chart illustrating a power cell warm-up method according to an exemplary embodiment, which may be applied in a vehicle, as shown in fig. 2, including the following steps.
Step S11: and receiving a battery preheating instruction from the terminal.
Step S12: and according to the battery preheating command, supplying power to the heater through an on-board battery of the vehicle so as to preheat the power battery of the vehicle.
The terminal may be an electronic device used by a user, such as a mobile phone, a tablet computer, and the like, and may forward the battery preheating instruction through the server, that is, the terminal transmits the battery preheating instruction to the server and then the server forwards the battery preheating instruction to the vehicle, or the terminal may directly establish a wireless connection with the vehicle, thereby transmitting the battery preheating instruction to the vehicle. The terminal can also be a vehicle-mounted system arranged in the vehicle, so that a user can directly issue a battery preheating instruction to the vehicle through the vehicle-mounted system.
After the vehicle receives the battery preheating command from the terminal, the vehicle can supply power to the heater through the vehicle-mounted battery. The vehicle-mounted battery may be any battery included in the vehicle, such as the energy storage battery 12, the storage battery 13, or the power battery 11 shown in fig. 1, and the manner in which the heater is powered by the vehicle-mounted battery will be described below.
Optionally, when the vehicle is in a non-driving state, the heater may be powered by an energy storage battery of the vehicle, and when the energy storage battery is insufficient, the heater may be powered by a storage battery of the vehicle. When the vehicle is in a running state, the heater can be powered by the energy storage battery, and when the electric quantity of the energy storage battery is insufficient, the heater is powered by the power battery.
Because the energy storage battery can carry out solar charging through connecting solar cell panel, consequently when supplying power for the heater, can preferentially use the electric quantity of energy storage battery. The power battery does not work in a non-driving state, namely the power-off state of the whole vehicle, so that if the electric quantity of the energy storage battery is not enough to supply power to the heater, the storage battery of the vehicle can be used for supplying power to the heater (of course, the storage battery is used for supplying power to the heater on the premise of ensuring the basic power utilization requirement of a low-voltage system of the whole vehicle). The vehicle is in a running state, namely the power battery is in a working state, if the vehicle is started in a cold environment, the temperature of the power battery is low, the discharging performance is attenuated, and therefore the power battery needs to be heated.
Optionally, the battery management system of the vehicle may be powered by the energy storage battery or the storage battery, and then the battery management system may monitor battery parameters of the power battery, and then send the battery parameters of the power battery to the server, so that the terminal obtains the battery parameters of the power battery through the connection server.
The battery parameters may include parameters such as temperature and electric quantity of the power battery, which are not limited in the embodiments of the present disclosure.
Because the energy storage battery can be charged through the solar cell panel, the energy storage battery continues to work after the power failure of the whole vehicle, and the power is supplied to the battery management system and the whole vehicle controller. The battery management system may continuously monitor battery parameters of the power battery, such as monitoring the power battery according to a set period. After the battery management system obtains the battery parameters of the power battery once, the battery parameters are sent to the vehicle control unit, and the vehicle control unit sends the battery parameters to the server, so that a user can remotely check the parameters of the power battery of the vehicle in real time through the terminal. Through the mode, the user can check the parameters of the power battery in real time no matter through the terminal or the vehicle-mounted system, and whether the user needs to preheat or not can be selected according to the battery parameters of the power battery before charging.
Of course, the battery management system can collect parameters of vehicle components such as the energy storage battery and the storage battery besides the battery parameters of the power battery, so that a user can obtain information of the vehicle at any time, and can consult maintenance personnel in time when abnormality occurs, thereby avoiding safety accidents.
Optionally, after receiving a battery preheating instruction from the terminal, the inverter control module of the vehicle may be awakened, and then it is detected whether the power battery preheating circuit including the inverter control module is normal, so that when the preheating circuit is normal, the electric energy of the vehicle-mounted battery is distributed to the heater through the inverter control module.
In order to save electricity, when the power battery does not need to be preheated, the inverter control module is in a dormant state, and after the vehicle receives a battery preheating command of the terminal, the inverter control module is awakened to prepare for preheating. After the inversion control module is awakened, a preheating loop including the inversion control module can be monitored to see whether a fault exists, if no fault exists, the inversion control module starts to work, and the electric energy of the vehicle-mounted battery is distributed to the heater to heat the power battery. Of course, if a fault exists in the preheating circuit, fault information can be fed back to the vehicle control unit, the vehicle control unit can feed back the fault information to the server, and a user can check the fault information through the terminal, so that the vehicle control unit is favorable for overhauling as soon as possible.
Optionally, after the heater is powered by a vehicle-mounted battery of the vehicle, whether the temperature of the power battery reaches a preset threshold value or not may be detected, and after the temperature of the power battery reaches the preset threshold value, the heater is stopped from being powered.
That is, during the process of supplying power to the heater, the battery management system also monitors the temperature of the power battery, and if the temperature reaches a preset threshold (for example, set to 37 degrees, 40 degrees, or the like), the inverter control module controls the vehicle-mounted battery to stop supplying power to the power battery, so as to stop heating. Thus, the power battery is prevented from overheating and failing.
The technical solution of the present disclosure will be explained by the complete examples below.
The energy storage battery of the vehicle continuously supplies power to the vehicle control unit and the battery management system, and the battery management system sends the battery parameters of the power battery to the vehicle control unit once and the vehicle control unit sends the battery parameters to the server. A user checks battery parameters of a power battery of a vehicle through application software installed in a mobile phone, for example, the current temperature of the power battery is 1 ℃, the electric quantity is 30%, the user needs to charge the vehicle, a battery preheating instruction can be sent to a vehicle control unit through the application software on the mobile phone in advance before charging, after the vehicle control unit receives the instruction, awakening the inversion control module, supplying the electric energy of the energy storage battery to the heater by the inversion control module after the vehicle controller detects that the preheating loop has no fault, thereby heating the power battery, the battery management system can continuously monitor the temperature of the power battery in the heating process, when a preset threshold value (such as 37 degrees) is reached, the inverter control module is informed to stop supplying power to the heater, and the signal of preheating completion is fed back to the vehicle control unit, and the vehicle control unit can inform a user by sending the signal of preheating completion to the server.
Referring to fig. 3, based on the same inventive concept, the disclosed embodiment provides a vehicle 300, where the vehicle 300 may include:
the vehicle-mounted battery 301 comprises a power battery, an energy storage battery and a storage battery;
the vehicle control unit 302 is used for receiving a battery preheating instruction from a terminal;
and the inverter control module 303 is connected with the vehicle controller 302 and the vehicle-mounted battery 301, and is configured to supply power to the heater through one of the vehicle-mounted batteries 301 when the vehicle controller 302 receives the battery preheating instruction, so as to preheat the power battery of the vehicle 300.
Optionally, the vehicle further includes a solar panel, and the inverter control module 303 is configured to:
the solar energy storage battery is charged by the solar panel;
when the vehicle is in a non-driving state, the heater is powered by the energy storage battery, and when the electric quantity of the energy storage battery is insufficient, the heater is powered by the storage battery;
when the vehicle is in a running state, the heater is powered by the energy storage battery, and when the electric quantity of the energy storage battery is insufficient, the heater is powered by the power battery;
optionally, the vehicle 300 further includes:
the battery management system is connected with the vehicle-mounted battery 301 and the vehicle controller 302, is powered by the energy storage battery or the storage battery, and is used for monitoring battery parameters of the power battery and sending the battery parameters to the vehicle controller 302, wherein the battery parameters at least comprise temperature information;
the vehicle control unit 302 is configured to send the battery parameters of the power battery to a server, so that the terminal obtains the battery parameters of the power battery by connecting to the server.
Optionally, the vehicle control unit 302 is further configured to:
after receiving a battery preheating instruction from a terminal, waking up an inverter control module 303 of the vehicle, and detecting whether a power battery preheating loop including the inverter control module 303 is normal;
the inverter control module 303 is configured to distribute the electric energy of the vehicle-mounted battery 301 to the heater when the preheating circuit is normal.
Optionally, the vehicle control unit 302 is further configured to:
detecting whether the temperature of the power battery reaches a preset threshold value or not;
the inverter control module 303 is further configured to stop supplying power to the heater after the vehicle controller 302 detects that the temperature of the power battery reaches the preset threshold.
Referring to fig. 4, based on the same inventive concept, an embodiment of the present disclosure provides a power battery preheating device 400, where the device 400 is applied to a vehicle, and may include:
an instruction receiving module 401, configured to receive a battery preheating instruction from a terminal;
and the heating module 402 is used for supplying power to a heater through an on-board battery of the vehicle according to the battery preheating instruction so as to preheat a power battery of the vehicle.
Based on the same inventive concept, the disclosed embodiments provide a computer-readable storage medium, on which computer program instructions are stored, wherein the program instructions, when executed by a processor, implement the steps of the power battery preheating method described above.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. A power battery preheating method is applied to a vehicle, and is characterized by comprising the following steps:
receiving a battery preheating instruction from a terminal;
and according to the battery preheating command, supplying power to a heater through an on-board battery of the vehicle so as to preheat a power battery of the vehicle.
2. The method of claim 1, wherein powering the heater by an on-board battery of the vehicle comprises:
when the vehicle is in a non-driving state, the heater is powered by an energy storage battery of the vehicle, and when the electric quantity of the energy storage battery is insufficient, the heater is powered by a storage battery of the vehicle;
when the vehicle is in a running state, the heater is powered by the energy storage battery, and when the electric quantity of the energy storage battery is insufficient, the heater is powered by the power battery;
the energy storage battery can be charged by solar energy through being connected with the solar cell panel.
3. The method of claim 2, further comprising:
supplying power to a battery management system of the vehicle through the energy storage battery or the storage battery;
monitoring battery parameters of the power battery through the battery management system, wherein the battery parameters at least comprise temperature information;
and sending the battery parameters of the power battery to a server so that the terminal can acquire the battery parameters of the power battery by connecting with the server.
4. The method of claim 1, further comprising, after receiving a battery warm-up command from the terminal:
awakening an inversion control module of the vehicle;
detecting whether a power battery preheating loop comprising the inversion control module is normal or not;
supplying power to a heater by an on-board battery of the vehicle, comprising:
and when the preheating loop is normal, distributing the electric energy of the vehicle-mounted battery to the heater through the inverter control module.
5. The method of any of claims 1-4, further comprising, after powering the heater by an on-board battery of the vehicle:
detecting whether the temperature of the power battery reaches a preset threshold value or not;
and stopping supplying power to the heater after the temperature of the power battery reaches the preset threshold value.
6. A vehicle, characterized in that the vehicle comprises:
the vehicle-mounted battery comprises a power battery, an energy storage battery and a storage battery;
the vehicle control unit is used for receiving a battery preheating instruction from the terminal;
and the inversion control module is connected with the vehicle control unit and the vehicle-mounted battery and is used for supplying power to the heater through one of the vehicle-mounted batteries when the vehicle control unit receives the battery preheating instruction so as to preheat the power battery.
7. The vehicle of claim 6, further comprising a solar panel, the inverter control module to:
the solar energy storage battery is charged by the solar panel;
when the vehicle is in a non-driving state, the heater is powered by the energy storage battery, and when the electric quantity of the energy storage battery is insufficient, the heater is powered by the storage battery;
when the vehicle is in a running state, the heater is powered by the energy storage battery, and when the electric quantity of the energy storage battery is insufficient, the heater is powered by the power battery;
8. the vehicle of claim 7, further comprising:
the battery management system is connected with the vehicle-mounted battery and the vehicle controller, is powered by the energy storage battery or the storage battery, and is used for monitoring battery parameters of the power battery and sending the battery parameters to the vehicle controller, wherein the battery parameters at least comprise temperature information;
the vehicle control unit is used for sending the battery parameters of the power battery to a server, so that the terminal can obtain the battery parameters of the power battery by connecting with the server.
9. A power battery preheating device applied to a vehicle, characterized in that the device comprises:
the instruction receiving module is used for receiving a battery preheating instruction from the terminal;
and the heating module is used for supplying power to the heater through a vehicle-mounted battery of the vehicle according to the battery preheating instruction so as to preheat a power battery of the vehicle.
10. A computer-readable storage medium, on which computer program instructions are stored, which program instructions, when executed by a processor, carry out the steps of the method according to any one of claims 1 to 5.
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| CN201810672745.0A CN110712567A (en) | 2018-06-26 | 2018-06-26 | Power battery preheating method and device, vehicle and storage medium |
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| CN201810672745.0A CN110712567A (en) | 2018-06-26 | 2018-06-26 | Power battery preheating method and device, vehicle and storage medium |
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| CN113472885A (en) * | 2021-06-30 | 2021-10-01 | 江铃汽车股份有限公司 | Remote preheating control method and system for battery pack |
| CN113645296A (en) * | 2021-08-10 | 2021-11-12 | 宁波小遛共享信息科技有限公司 | Method and device for reporting battery module information of shared bicycle and computer equipment |
| CN114523882A (en) * | 2022-03-21 | 2022-05-24 | 苏州赤兔驱动科技有限公司 | Multi-element high-precision lithium battery preheating system |
| EP4228116A1 (en) * | 2020-03-27 | 2023-08-16 | Honda Motor Co., Ltd. | Control apparatus, management server, control method, and storage medium |
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Application publication date: 20200121 |