CN114678631A - A battery pack driving heating control method, device, battery pack and electric vehicle - Google Patents
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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Abstract
Description
技术领域technical field
本发明涉及电动车技术领域，特别涉及一种电池包行车加热控制方法、装置、电池包及电动汽车。The invention relates to the technical field of electric vehicles, in particular to a battery pack driving heating control method and device, a battery pack and an electric vehicle.
背景技术Background technique
新能源汽车越来越普及，但相比常温条件下，新能源汽车的电池包在低温条件下的性能存在大幅度降低，导致秋冬季节新能源汽车用户需要频繁充电。在低温条件下，电池包的电能一部分用于对电池加热，一部分用于为汽车提供动力，怎么对电池包的电量进行合理的分配对电池的里程保持率有较大的影响。现有的行车加热方法无法通过电池的温升速率和行车动态时间及时调整对电池的加热，导致无法开始对电池进行加热的时间点，且无法确定对电池进行加热的功率。New energy vehicles are becoming more and more popular, but compared with normal temperature conditions, the performance of battery packs of new energy vehicles is greatly reduced under low temperature conditions, resulting in frequent charging of new energy vehicle users in autumn and winter. Under low temperature conditions, part of the electric energy of the battery pack is used to heat the battery, and part of it is used to power the car. How to reasonably distribute the power of the battery pack has a great impact on the mileage retention rate of the battery. The existing driving heating method cannot adjust the heating of the battery in time according to the temperature rise rate of the battery and the driving dynamic time, resulting in the inability to start the heating time of the battery, and the power to heat the battery cannot be determined.
发明内容SUMMARY OF THE INVENTION
本发明实施例提供一种电池包行车加热控制方法、装置、电池包及电动汽车，用于解决现有技术中无法通过电池的温升速率和行车动态时间及时调整对电池的加热，导致无法开始对电池进行加热的时间点，且无法确定对电池进行加热的功率的问题。Embodiments of the present invention provide a battery pack driving heating control method, device, battery pack and electric vehicle, which are used to solve the problem that in the prior art, the battery heating cannot be adjusted in time through the battery temperature rise rate and driving dynamic time, resulting in failure to start the battery. The time point of heating the battery, and the problem of the power to heat the battery cannot be determined.
本发明实施例提供一种电池包行车加热控制方法，包括：An embodiment of the present invention provides a battery pack driving heating control method, including:
获取车辆在预设时间段内的平均车速；Get the average speed of the vehicle within a preset time period;
获取所述电池包的当前温度、所述电池包温度升高预设值的第一温升速率以及所述电池包的荷电状态；acquiring the current temperature of the battery pack, the first temperature rise rate at which the battery pack temperature rises by a preset value, and the state of charge of the battery pack;
获取车辆的目标行驶里程；Get the target mileage of the vehicle;
根据所述车辆预设时间段内的平均车速、所述第一温升速率、所述电池包的荷电状态以及所述目标行驶里程，确定所述电池包加热装置入水口的目标温度；Determine the target temperature of the water inlet of the battery pack heating device according to the average vehicle speed, the first temperature rise rate, the state of charge of the battery pack, and the target mileage within a preset time period of the vehicle;
根据所述目标温度，控制所述电池包的温度。The temperature of the battery pack is controlled according to the target temperature.
进一步地，所述根据所述车辆预设时间段内的平均车速、所述第一温升速率、所述电池包的荷电状态以及所述目标行驶里程，确定所述电池包加热装置入水口的目标温度，包括：Further, the water inlet of the battery pack heating device is determined according to the average vehicle speed, the first temperature rise rate, the state of charge of the battery pack and the target mileage within a preset time period of the vehicle target temperature, including:
根据以下公式确定所述目标温度：The target temperature is determined according to the following formula:
其中，Tinput为所述电池包加热装置入水口的目标温度；T为当前所述电池包的温度，VT为所述第一温升速率；f(x)为所述电池包在不同温度下所述车辆的里程保持率；R0为标称里程；SOC为所述电池包的荷电状态，V为所述车辆在预设时间段内的平均速率；Wherein, T input is the target temperature of the water inlet of the battery pack heating device; T is the current temperature of the battery pack, VT is the first temperature rise rate; f(x) is the battery pack at different temperatures The mileage retention rate of the vehicle; R0 is the nominal mileage; SOC is the state of charge of the battery pack, and V is the average speed of the vehicle within a preset time period;
根据所述目标温度确定通过所述加热装置对所述电池包进行加热的第一时刻和所述电池包的加热温升速率的对应关系。The corresponding relationship between the first moment when the battery pack is heated by the heating device and the heating temperature rise rate of the battery pack is determined according to the target temperature.
进一步地，所述电池包在不同温度下所述车辆的里程保持率通过以下公式确定：Further, the mileage retention rate of the vehicle under different temperatures of the battery pack is determined by the following formula:
其中，T为当前所述电池包的温度。Wherein, T is the current temperature of the battery pack.
进一步地，所述方法，还包括：Further, the method also includes:
在所述电池包的当前温度小于第一阈值的情况下，控制所述电池包加热装置入水口的温度升高；When the current temperature of the battery pack is less than the first threshold, controlling the temperature of the water inlet of the battery pack heating device to increase;
在所述电池包的温度大于第二阈值的情况下，控制所述电池包加热装置入水口的温度停止升高。When the temperature of the battery pack is greater than the second threshold, the temperature of the water inlet of the battery pack heating device is controlled to stop increasing.
进一步地，所述在所述电池包的当前温度小于第一阈值的情况下，控制所述电池包加热装置入水口的温度升高，包括：Further, when the current temperature of the battery pack is less than the first threshold, controlling the temperature of the water inlet of the battery pack heating device to increase includes:
获取所述电池包加热装置对所述电池包进行加热对所述电池包产生的消耗电量和收益电量；Acquiring the power consumption and revenue generated by heating the battery pack by the battery pack heating device to the battery pack;
在所述消耗电量与所述收益电量的比值大于1的情况下，控制所述电池包加热装置入水口的温度停止升高。In the case that the ratio of the consumed electricity to the income electricity is greater than 1, the temperature of the water inlet of the battery pack heating device is controlled to stop increasing.
进一步地，所述获取所述电池包加热装置对所述电池包进行加热对所述电池包产生的消耗电量和收益电量，包括：Further, the obtaining of the power consumption and revenue generated by the heating of the battery pack by the battery pack heating device to the battery pack includes:
获取所述电池包升高预设温度的平均电量消耗；obtaining the average power consumption of the battery pack to increase the preset temperature;
根据所述平均电量消耗和所述电池包的当前温度确定对所述电池包进行加热的消耗能量；Determine the energy consumption for heating the battery pack according to the average power consumption and the current temperature of the battery pack;
获取所述电池包的电量与温度的对应关系；obtaining the corresponding relationship between the power of the battery pack and the temperature;
根据所述电量与温度的对应关系，确定对所述电池包进行加热的收益能量。According to the corresponding relationship between the electric quantity and the temperature, the revenue energy for heating the battery pack is determined.
进一步地，所述电池包的电量与温度的对应关系通过以下公式确定：Further, the corresponding relationship between the power of the battery pack and the temperature is determined by the following formula:
其中，C(T)为不同温度下所述电池包的电量；T为当前所述电池包的温度。Wherein, C(T) is the power of the battery pack at different temperatures; T is the current temperature of the battery pack.
本发明实施例还提供一种电池包行车加热控制装置，包括：The embodiment of the present invention also provides a battery pack driving heating control device, including:
第一获取模块，用于获取车辆在预设时间段内的平均车速；a first obtaining module, configured to obtain the average speed of the vehicle within a preset time period;
第二获取模块，用于获取所述电池包的当前温度、所述电池包温度升高预设值的第一温升速率以及所述电池包的荷电状态；a second obtaining module, configured to obtain the current temperature of the battery pack, the first temperature rise rate at which the battery pack temperature rises by a preset value, and the state of charge of the battery pack;
第三获取模块，用于获取车辆的目标行驶里程；The third obtaining module is used to obtain the target mileage of the vehicle;
确定模块，用于根据所述车辆预设时间段内的平均车速、所述第一温升速率、所述电池包的荷电状态以及所述目标行驶里程，确定所述电池包加热装置入水口的目标温度；A determination module, configured to determine the water inlet of the battery pack heating device according to the average vehicle speed within the vehicle preset time period, the first temperature rise rate, the state of charge of the battery pack and the target mileage target temperature;
控制模块，用于根据所述目标温度，控制所述电池包的温度。A control module, configured to control the temperature of the battery pack according to the target temperature.
本发明实施例还提供一种电池包，包括如上所述的电池包行车加热控制装置。An embodiment of the present invention also provides a battery pack, including the battery pack driving heating control device as described above.
本发明实施例还提供一种电动汽车，包括如上所述的电池包。Embodiments of the present invention also provide an electric vehicle, including the above-mentioned battery pack.
本发明的有益效果是：The beneficial effects of the present invention are:
本发明实施例的电池包行车加热控制方法，根据车辆预设时间段内的平均车速、车辆电池包温度升高预设值的第一温升速率、电池包的荷电状态以及车辆的目标行驶里程，确定所述电池包加热装置入水口的目标温度；并根据所述目标温度，确定是否需要对电池包进行加热，从而控制所述电池包的温度根据行车的动态时间及时调整对电池包的加热。解决了现有技术中无法通过电池的温升速率和行车动态时间及时调整对电池的加热，导致无法开始对电池进行加热的时间点，且无法确定对电池进行加热的功率的问题。The battery pack driving heating control method according to the embodiment of the present invention is based on the average vehicle speed within a preset time period of the vehicle, the first temperature rise rate at which the vehicle battery pack temperature rises by a preset value, the state of charge of the battery pack, and the target driving of the vehicle. mileage, determine the target temperature of the water inlet of the battery pack heating device; and determine whether the battery pack needs to be heated according to the target temperature, so as to control the temperature of the battery pack to adjust the temperature of the battery pack in time according to the dynamic time of driving. heating. The problem in the prior art that the heating of the battery cannot be adjusted in time by the temperature rise rate and the driving dynamic time of the battery, resulting in the inability to start heating the battery and the power of heating the battery cannot be determined.
附图说明Description of drawings
图1表示本发明实施例的电池包行车加热控制方法的步骤示意图；FIG. 1 shows a schematic diagram of steps of a battery pack driving heating control method according to an embodiment of the present invention;
图2表示本发明实施例的电池包行车加热控制装置的模块示意图。FIG. 2 is a schematic diagram of a module of a battery pack driving heating control device according to an embodiment of the present invention.
具体实施方式Detailed ways
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图及具体实施例对本发明进行详细描述。In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
本发明针对现有技术中无法通过电池的温升速率和行车动态时间及时调整对电池的加热，导致无法开始对电池进行加热的时间点，且无法确定对电池进行加热的功率的问题，提供一种电池包行车加热控制方法、装置、电池包及电动汽车。Aiming at the problems in the prior art that the heating of the battery cannot be adjusted in time through the temperature rise rate of the battery and the driving dynamic time, resulting in the inability to start heating the battery and the inability to determine the power for heating the battery, the present invention provides a A battery pack driving heating control method, device, battery pack and electric vehicle.
如图1所示，本发明实施例提供一种电池包行车加热控制方法，包括如下步骤：As shown in FIG. 1 , an embodiment of the present invention provides a battery pack driving heating control method, including the following steps:
步骤101，获取车辆在预设时间段内的平均车速；
步骤102，获取所述电池包的当前温度、所述电池包温度升高预设值的第一温升速率以及所述电池包的荷电状态；
步骤103，获取车辆的目标行驶里程；
步骤104，根据所述车辆预设时间段内的平均车速、所述第一温升速率、所述电池包的荷电状态以及所述目标行驶里程，确定所述电池包加热装置入水口的目标温度；Step 104: Determine the target of the water inlet of the battery pack heating device according to the average vehicle speed within the vehicle preset time period, the first temperature rise rate, the state of charge of the battery pack, and the target mileage temperature;
步骤105，根据所述目标温度，控制所述电池包的温度。Step 105: Control the temperature of the battery pack according to the target temperature.
可选地，所述电池包温度升高预设值的第一温升速率可以为所述电池包最近依次升高预设温度，例如5设置度，的温升速率。Optionally, the first temperature rise rate at which the temperature of the battery pack increases by a preset value may be the temperature rise rate at which the battery pack increases the preset temperature in sequence recently, for example, 5 set degrees.
可选地，所述车辆在预设时间段内的平均车速可以通过车辆控制器获取；所述电池包的当前温度、所述电池包温度升高预设值的第一温升速率以及所述电池包的荷电状态可以通过电传利器获取；车辆的目标行驶里程可以通过导航地图或者用户的历史行为数据获取。Optionally, the average vehicle speed of the vehicle within a preset time period may be acquired through a vehicle controller; the current temperature of the battery pack, the first temperature rise rate at which the battery pack temperature increases by a preset value, and the The state of charge of the battery pack can be obtained by telex sharps; the target mileage of the vehicle can be obtained from the navigation map or the user's historical behavior data.
本发明实施例的电池包行车加热控制方法，根据车辆预设时间段内的平均车速、车辆电池包温度升高预设值的第一温升速率、电池包的荷电状态以及车辆的目标行驶里程，确定所述电池包加热装置入水口的目标温度；并根据所述目标温度，确定是否需要对电池包进行加热，从而控制所述电池包的温度根据行车的动态时间及时调整对电池包的加热。解决了现有技术中无法通过电池的温升速率和行车动态时间及时调整对电池的加热，导致无法开始对电池进行加热的时间点，且无法确定对电池进行加热的功率的问题。The battery pack driving heating control method according to the embodiment of the present invention is based on the average vehicle speed within a preset time period of the vehicle, the first temperature rise rate at which the vehicle battery pack temperature rises by a preset value, the state of charge of the battery pack, and the target driving of the vehicle. mileage, determine the target temperature of the water inlet of the battery pack heating device; and determine whether the battery pack needs to be heated according to the target temperature, so as to control the temperature of the battery pack to adjust the temperature of the battery pack in time according to the dynamic time of driving. heating. The problem in the prior art that the heating of the battery cannot be adjusted in time by the temperature rise rate and the driving dynamic time of the battery, resulting in the inability to start heating the battery and the power of heating the battery cannot be determined.
可选地，所述根据所述车辆预设时间段内的平均车速、所述第一温升速率、所述电池包的荷电状态以及所述目标行驶里程，确定所述电池包加热装置入水口的目标温度，包括：Optionally, according to the average vehicle speed in the vehicle preset time period, the first temperature rise rate, the state of charge of the battery pack and the target mileage, it is determined that the heating device of the battery pack is in operation. The target temperature of the nozzle, including:
根据以下公式确定所述目标温度：The target temperature is determined according to the following formula:
其中，Tinput为所述电池包加热装置入水口的目标温度；T为当前所述电池包的温度，VT为所述第一温升速率；f(x)为所述电池包在不同温度下所述车辆的里程保持率；R0为标称里程；SOC为所述电池包的荷电状态，V为所述车辆在预设时间段内的平均速率；Wherein, T input is the target temperature of the water inlet of the battery pack heating device; T is the current temperature of the battery pack, VT is the first temperature rise rate; f(x) is the battery pack at different temperatures The mileage retention rate of the vehicle; R0 is the nominal mileage; SOC is the state of charge of the battery pack, and V is the average speed of the vehicle within a preset time period;
根据所述目标温度确定通过所述加热装置对所述电池包进行加热的第一时刻和所述电池包的加热温升速率的对应关系。The corresponding relationship between the first moment when the battery pack is heated by the heating device and the heating temperature rise rate of the battery pack is determined according to the target temperature.
本发明实施例的电池包行车加热控制方法，通过确定所述加热装置对所述电池包进行加热的第一时刻和所述电池包的加热温升速率的对应关系，在所述第一时刻以第一加热温升速率对应的加热功率对所述电池包进行加热，从而使得所述电池包在到达目标地点时，所述电池包的温度达到预设温度。In the battery pack driving heating control method according to the embodiment of the present invention, by determining the corresponding relationship between the first moment when the heating device heats the battery pack and the heating temperature rise rate of the battery pack, at the first moment, the The heating power corresponding to the first heating temperature rise rate heats the battery pack, so that when the battery pack reaches the target location, the temperature of the battery pack reaches a preset temperature.
可选地，所述电池包在不同温度下所述车辆的里程保持率通过以下公式确定：Optionally, the mileage retention rate of the vehicle under different temperatures of the battery pack is determined by the following formula:
其中，T为当前所述电池包的温度。Wherein, T is the current temperature of the battery pack.
本发明实施例的电池包行车加热控制方法，通过EVTEST测试方法，确定所述电池包在不同温度下所述车辆的里程保持率。In the battery pack driving heating control method of the embodiment of the present invention, the mileage retention rate of the vehicle at different temperatures of the battery pack is determined through the EVTEST test method.
可选地，所述方法，还包括：Optionally, the method further includes:
在所述电池包的当前温度小于第一阈值的情况下，控制所述电池包加热装置入水口的温度升高；When the current temperature of the battery pack is less than the first threshold, controlling the temperature of the water inlet of the battery pack heating device to increase;
在所述电池包的温度大于第二阈值的情况下，控制所述电池包加热装置入水口的温度停止升高。When the temperature of the battery pack is greater than the second threshold, the temperature of the water inlet of the battery pack heating device is controlled to stop increasing.
本发明一实施例中，所述电池包的温度大于第二阈值的情况下，不再需要对所述电池包进行加热。根据电池包实时温度及时调整所述的加热状况，避免对所述电池包加热消耗过多电量而导致的车辆续驶里程降低。In an embodiment of the present invention, when the temperature of the battery pack is greater than the second threshold, it is no longer necessary to heat the battery pack. The heating state is adjusted in time according to the real-time temperature of the battery pack, so as to avoid the reduction of the driving range of the vehicle caused by excessive power consumption by heating the battery pack.
可选地，所述在所述电池包的当前温度小于第一阈值的情况下，控制所述电池包加热装置入水口的温度升高，包括：Optionally, when the current temperature of the battery pack is less than the first threshold, controlling the temperature of the water inlet of the battery pack heating device to increase includes:
获取所述电池包加热装置对所述电池包进行加热对所述电池包产生的消耗电量和收益电量；Acquiring the power consumption and revenue generated by heating the battery pack by the battery pack heating device to the battery pack;
在所述消耗电量与所述收益电量的比值大于1的情况下，控制所述电池包加热装置入水口的温度停止升高。In the case that the ratio of the consumed electricity to the income electricity is greater than 1, the temperature of the water inlet of the battery pack heating device is controlled to stop increasing.
本发明实施例的电池包行车加热控制方法，通过对所述电池包加热装置对所述电池包进行加热对所述电池包产生的消耗电量和收益电量进行判断，确定所述电池包加热装置对所述电池包进行加热对所述电池包产生的消耗电量和收益电量之间的关系，在所述消耗电量大于所述收益电量的情况下，控制所述电池包加热装置入水口的温度停止升高，以避免消耗过量的电能用于对电池包加热，从而提高了车辆的续驶里程。In the battery pack driving heating control method according to the embodiment of the present invention, by heating the battery pack by the battery pack heating device, judging the power consumption and revenue generated by the battery pack, it is determined that the battery pack heating device is suitable for the battery pack. The relationship between the power consumption generated by the battery pack and the revenue generated by the battery pack, when the power consumption is greater than the revenue power, the temperature of the water inlet of the battery pack heating device is controlled to stop rising. High to avoid consuming excessive electric energy for heating the battery pack, thereby increasing the driving range of the vehicle.
可选地，所述获取所述电池包加热装置对所述电池包进行加热对所述电池包产生的消耗电量和收益电量，包括：Optionally, the acquiring the power consumption and the revenue power generated by heating the battery pack by the battery pack heating device to the battery pack includes:
获取所述电池包升高预设温度的平均电量消耗；obtaining the average power consumption of the battery pack to increase the preset temperature;
根据所述平均电量消耗和所述电池包的当前温度确定对所述电池包进行加热的消耗能量；Determine the energy consumption for heating the battery pack according to the average power consumption and the current temperature of the battery pack;
获取所述电池包的电量与温度的对应关系；obtaining the corresponding relationship between the power of the battery pack and the temperature;
根据所述电量与温度的对应关系，确定对所述电池包进行加热的收益能量。According to the corresponding relationship between the electric quantity and the temperature, the revenue energy for heating the battery pack is determined.
本发明一实施例中，所述电池包加热装置对所述电池包进行加热对所述电池包产生的消耗电量为述电池包升高预设温度的平均电量消耗与所述电池包的当前温度的乘积；所述电池包加热装置对所述电池包进行加热对所述电池包产生的收益电量为所述电池包的电量与温度的对应关系与所述电池包在当前温度下标称电量的乘积。In an embodiment of the present invention, the power consumption of the battery pack by the battery pack heating device heating the battery pack is the average power consumption of the battery pack raising a preset temperature and the current temperature of the battery pack The product of the battery pack heating device heating the battery pack to the battery pack is the corresponding relationship between the battery pack’s power and temperature and the battery pack’s nominal power at the current temperature. product.
可选地，所述电池包的电量与温度的对应关系通过以下公式确定：Optionally, the corresponding relationship between the power of the battery pack and the temperature is determined by the following formula:
其中，C(T)为不同温度下所述电池包的电量；T为当前所述电池包的温度。Wherein, C(T) is the power of the battery pack at different temperatures; T is the current temperature of the battery pack.
本发明实施例还提供一种电池包行车加热控制装置200，包括：The embodiment of the present invention also provides a battery pack driving
第一获取模块201，用于获取车辆在预设时间段内的平均车速；a first obtaining
第二获取模块202，用于获取所述电池包的当前温度、所述电池包温度升高预设值的第一温升速率以及所述电池包的荷电状态；A second obtaining
第三获取模块203，用于获取车辆的目标行驶里程；The third obtaining
确定模块204，用于根据所述车辆预设时间段内的平均车速、所述第一温升速率、所述电池包的荷电状态以及所述目标行驶里程，确定所述电池包加热装置入水口的目标温度；The
控制模块205，用于根据所述目标温度，控制所述电池包的温度。The
本发明实施例的电池包行车加热控制装置，根据车辆预设时间段内的平均车速、车辆电池包温度升高预设值的第一温升速率、电池包的荷电状态以及车辆的目标行驶里程，确定所述电池包加热装置入水口的目标温度；并根据所述目标温度，确定是否需要对电池包进行加热，从而控制所述电池包的温度根据行车的动态时间及时调整对电池包的加热。解决了现有技术中无法通过电池的温升速率和行车动态时间及时调整对电池的加热，导致无法开始对电池进行加热的时间点，且无法确定对电池进行加热的功率的问题。The battery pack driving heating control device according to the embodiment of the present invention is based on the average vehicle speed within a preset time period of the vehicle, the first temperature rise rate at which the vehicle battery pack temperature rises by a preset value, the state of charge of the battery pack, and the target driving of the vehicle. mileage, determine the target temperature of the water inlet of the battery pack heating device; and determine whether the battery pack needs to be heated according to the target temperature, so as to control the temperature of the battery pack to adjust the temperature of the battery pack in time according to the dynamic time of driving. heating. The problem in the prior art that the heating of the battery cannot be adjusted in time by the temperature rise rate and the driving dynamic time of the battery, resulting in the inability to start heating the battery and the power of heating the battery cannot be determined.
本发明实施例还提供一种电池包，包括如上所述的电池包行车加热控制装置。An embodiment of the present invention also provides a battery pack, including the battery pack driving heating control device as described above.
本发明实施例还提供一种电动汽车，包括如上所述的电池包。Embodiments of the present invention also provide an electric vehicle, including the above-mentioned battery pack.
以上所述的是本发明的优选实施方式，应当指出对于本技术领域的普通人员来说，在不脱离本发明所述的原理前提下还可以作出若干改进和润饰，这些改进和润饰也在本发明的保护范围内。The above are the preferred embodiments of the present invention, and it should be pointed out that for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications are also included in the present invention. within the scope of protection of the invention.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139860A (en) * | 2022-07-06 | 2022-10-04 | 东风柳州汽车有限公司 | Battery pack heating method, device, equipment and storage medium |
| CN115295925A (en) * | 2022-09-30 | 2022-11-04 | 小米汽车科技有限公司 | Method and device for heating battery, battery assembly, storage medium and vehicle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012144060A1 (en) * | 2011-04-22 | 2012-10-26 | トヨタ自動車株式会社 | Charging device and charging method |
| CN206086422U (en) * | 2016-09-19 | 2017-04-12 | 智车优行科技（北京）有限公司 | Vehicle power battery cold start heating system and vehicle |
| CN106654415A (en) * | 2016-12-30 | 2017-05-10 | 深圳市国创动力系统有限公司 | SOP control system and method for lithium titanate battery BMS based on hybrid power system |
| US20200185928A1 (en) * | 2018-12-05 | 2020-06-11 | Hyundai Motor Company | Method for charging battery at low temperature |
| CN111619405A (en) * | 2019-02-28 | 2020-09-04 | 北京新能源汽车股份有限公司 | Control method and device for automatic heating of battery pack and vehicle |
| CN112109593A (en) * | 2020-09-02 | 2020-12-22 | 长城汽车股份有限公司 | Method and device for controlling battery heating and vehicle |
| EP3919320A1 (en) * | 2019-08-05 | 2021-12-08 | Contemporary Amperex Technology Co., Limited | Thermal management method for battery pack |
| CN113829958A (en) * | 2020-06-23 | 2021-12-24 | 北京新能源汽车股份有限公司 | Control method and device for temperature of vehicle battery pack, control equipment and automobile |
| CN113829962A (en) * | 2020-06-23 | 2021-12-24 | 北京新能源汽车股份有限公司 | Vehicle control method and device |
-
2022
- 2022-03-03 CN CN202210201927.6A patent/CN114678631A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012144060A1 (en) * | 2011-04-22 | 2012-10-26 | トヨタ自動車株式会社 | Charging device and charging method |
| CN206086422U (en) * | 2016-09-19 | 2017-04-12 | 智车优行科技（北京）有限公司 | Vehicle power battery cold start heating system and vehicle |
| CN106654415A (en) * | 2016-12-30 | 2017-05-10 | 深圳市国创动力系统有限公司 | SOP control system and method for lithium titanate battery BMS based on hybrid power system |
| US20200185928A1 (en) * | 2018-12-05 | 2020-06-11 | Hyundai Motor Company | Method for charging battery at low temperature |
| CN111619405A (en) * | 2019-02-28 | 2020-09-04 | 北京新能源汽车股份有限公司 | Control method and device for automatic heating of battery pack and vehicle |
| EP3919320A1 (en) * | 2019-08-05 | 2021-12-08 | Contemporary Amperex Technology Co., Limited | Thermal management method for battery pack |
| CN113829958A (en) * | 2020-06-23 | 2021-12-24 | 北京新能源汽车股份有限公司 | Control method and device for temperature of vehicle battery pack, control equipment and automobile |
| CN113829962A (en) * | 2020-06-23 | 2021-12-24 | 北京新能源汽车股份有限公司 | Vehicle control method and device |
| CN112109593A (en) * | 2020-09-02 | 2020-12-22 | 长城汽车股份有限公司 | Method and device for controlling battery heating and vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139860A (en) * | 2022-07-06 | 2022-10-04 | 东风柳州汽车有限公司 | Battery pack heating method, device, equipment and storage medium |
| CN115139860B (en) * | 2022-07-06 | 2024-06-07 | 东风柳州汽车有限公司 | Battery pack heating method, device, equipment and storage medium |
| CN115295925A (en) * | 2022-09-30 | 2022-11-04 | 小米汽车科技有限公司 | Method and device for heating battery, battery assembly, storage medium and vehicle |
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