Method, device and charging pile for analyzing battery attenuation rate
A technology of attenuation rate and charging pile, which is applied in the field of battery detection, can solve the problems of not being able to understand battery attenuation in real time, wasting time and cost, and low efficiency, and achieve the effect of saving detection time and maintenance cost
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Embodiment 1
[0031] Such as figure 1 As shown, it is a flow chart of a method for analyzing battery decay rate provided by an embodiment of the present invention, consisting of figure 1 It can be seen that the method for analyzing the decay rate of the battery comprises the following steps:
[0032] Step S101: Obtain charging data of at least two charges of the target battery; the charging data includes SOC data and charging capacity data of the target battery.
[0033] Under normal circumstances, when an electric vehicle is charging at a charging pile, the charging pile will record the information of the battery charge, and the BMS (Battery Management System, battery management system) of the electric vehicle will record the SOC (State of Charge, remaining power) information of the battery . To obtain the charging data of the target battery, the SOC data can be obtained from the vehicle BMS, and the charging data can be obtained from the charging pile.
[0034] Here, BMS is the link be...
Embodiment 2
[0052] The embodiment of the present invention also provides a device for analyzing the decay rate of the battery, such as image 3 As shown, it is a schematic structural diagram of a device for analyzing battery decay rate provided by an embodiment of the present invention, which is represented by image 3 It can be seen that the device for analyzing the battery decay rate includes a sequentially connected data acquisition module 31, selection module 32 and calculation module 33, wherein the functions of each module are as follows:
[0053] The data acquisition module 31 is configured to acquire charging data of at least two charges of the target battery; the charging data includes SOC data and charging capacity data of the target battery.
[0054] The selecting module 32 is configured to select the data of the same SOC interval in the charging data of the two chargings, and calculate the charging amount of the two chargings in the same SOC interval respectively.
[0055] Th...
Embodiment 3
[0058] see Figure 4 , the embodiment of the present invention also provides a device for analyzing the battery decay rate, including: a processor 40, a memory 41, a bus 42 and a communication interface 43, the processor 40, the communication interface 43 and the memory 41 are connected through the bus 42; the processor 40 Executable modules, such as computer programs, stored in the memory 41 are executed.
[0059] Wherein, the memory 41 may include a high-speed random access memory (RAM, Random Access Memory), and may also include a non-volatile memory (non-volatile memory), such as at least one disk memory. The communication connection between the system network element and at least one other network element is realized through at least one communication interface 43 (which may be wired or wireless), and the Internet, wide area network, local network, metropolitan area network, etc. can be used.
[0060] The bus 42 may be an ISA bus, a PCI bus or an EISA bus, etc. The bus ...
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