28-12-2017 дата публикации
Номер: US20170373357A1
Принадлежит:
A diagnostic system for a battery system having a battery module electrically coupled to a contactor is provided. The battery module has first, second, and third battery cells. The diagnostic system includes a first microcontroller that transitions the contactor to an open operational state if a first battery cell analog overvoltage flag is equal to a first battery cell analog overvoltage flag value, or a battery module overvoltage flag is equal to a first battery module overvoltage flag value. 1. A diagnostic system for a battery system , the battery system having a battery module electrically coupled to a contactor , the battery module having first , second , and third battery cells , comprising:a first microcontroller obtaining a first initialization value and first, second, and third battery cell analog overvoltage flag values from a memory device; the first, second, and third analog overvoltage flag values being associated with the first, second, and third battery cells, respectively;the first microcontroller further obtaining a second initialization value, a first battery module overvoltage flag value, and a second battery module overvoltage flag value from the memory device; the first and second battery module overvoltage values being associated with the battery module;the first microcontroller initializing each of first, second, and third battery cell analog overvoltage flags to the first initialization value;the first microcontroller receiving first, second, and third output voltage values and a first battery module output voltage value from a second microcontroller; the first, second, and third output voltage values corresponding to first, second, and third output voltages, respectively, from the first, second, and third battery cells, respectively; the first battery module output voltage value being indicative of a measured battery module output voltage of the battery module;the first microcontroller setting the first battery cell analog overvoltage flag ...
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