Method, device and equipment for determining remaining capacity of battery and storage medium
A technology for determining the remaining power of a battery, applied in the field of computers, can solve the problems of half-way power failure, power-deficient storage, low SOC accuracy, etc., and achieves the effect of improving accuracy and accurate remaining power
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Embodiment 1
[0028] figure 1 It is a flowchart of a method for determining the remaining battery power provided by Embodiment 1 of the present invention. This embodiment is applicable to the situation of determining the remaining power of a vehicle (mainly an electric vehicle). The method for determining the remaining battery power provided in this embodiment can be executed by the device for determining the remaining battery power provided in the embodiment of the present invention, which can be implemented by software and / or hardware, and integrated in the electronic device that executes the method , where the electronic device may be a motor controller in an electric vehicle, or other electronic devices. The electric vehicle in the embodiment of the present invention may be a two-wheeled electric vehicle.
[0029] see figure 1 , the method of this embodiment includes but not limited to the following steps:
[0030] S110. Determine the initial SOC of the battery according to the OCV c...
Embodiment 2
[0058] figure 2 It is a flow chart of a method for determining the remaining battery power provided by Embodiment 2 of the present invention. The embodiments of the present invention are optimized on the basis of the foregoing embodiments. Optionally, this embodiment optimizes the process of determining the current SOC of the battery and correcting the current SOC.
[0059] see figure 2 , the method of this embodiment includes but not limited to the following steps:
[0060] S2001. Determine the initial SOC of the battery according to the OCV curve corresponding to the battery in the vehicle and the initial voltage of the battery.
[0061] S2002. Determine whether the battery is in a discharge state.
[0062] The state of the battery can be detected by the relevant controller in the vehicle, so as to determine whether the battery is in a charging state or a discharging state.
[0063] If yes, execute S2005; if not, execute S2003-S2004.
[0064] S2003. Determine the cur...
Embodiment 3
[0090] image 3 A schematic structural diagram of a device for determining the remaining battery power provided by Embodiment 3 of the present invention, as shown in image 3 As shown, the device may include:
[0091] The initial power determination module 310 is configured to determine the initial remaining power SOC of the battery according to the open circuit voltage OCV curve corresponding to the battery in the vehicle and the initial voltage of the battery;
[0092] The current power determining module 320 is configured to determine the current SOC of the battery based on the initial SOC and the ampere-hour integration method when it is detected that the battery is in a discharge state;
[0093] A correction module 330, configured to, when the collected discharge current exceeds the preset current threshold, according to the difference between the current SOC and the first SOC corresponding to the current voltage of the battery in the discharge SOC curve corresponding to...
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