Filtering and anti-interference synchronizing scheme of voltage sample of electrical core
A technology of voltage sampling and electric core, which is applied in the direction of measuring electricity, measuring electrical variables, measuring devices, etc., can solve the problems of long distance between voltage sampling line and BMS, insufficient filtering ability, damage of voltage sampling terminal port, etc., so as to improve reliability Effects related to stability, improved hot-plug capability, sample synchronization and accuracy
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[0023] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0024] refer to figure 1 , is a schematic diagram of a filter synchronous anti-interference solution for cell voltage sampling in an embodiment of the present invention.
[0025] In an embodiment of the present invention, a filter synchronous anti-interference scheme for cell voltage sampling is proposed, which includes a multi-stage filter circuit 100. The input terminals of the above-mentioned multi-stage filter circuit 100 are respectively connected to the output terminals of the cell module 200. The output end is connected to the sampling end of the sampling chip 300 .
[0026] The voltage signal at the output end of the cell module 200 is transmitted to the multi-stage filter circuit 100. The multi-stage filter circuit 100 filters and attenuates the interference signal of the voltage signal and transmits the vol...
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