Vehicle accumulator monitoring method and system

Abstract

The invention discloses a vehicle accumulator monitoring method and a system. The method comprises the steps of: (A) entering a step B if a remote control locking signal is not received within 20 seconds after an engine is stopped; and entering a step C if the remote control locking signal is received; (B) detecting the self-discharge current of an accumulator in 10 seconds of receiving the remote control locking signal; and warning in a wireless manner if the self-discharge current is greater than a current threshold; (C) detecting the voltage of the accumulator; entering a step D if the voltage of the accumulator is lower than a lower limit of the voltage; and finishing the flow if the voltage of the accumulator is higher than or equal to the lower limit of the voltage; and (D) detecting if a driver is in a vehicle by an in-place detector, blinking to warn through an electricity-deficient warning lamp if the driver is in the vehicle, and warning in a wireless manner if the driver is not in the vehicle. The method prompts the driver to timely treat faults to prevent the incapability of vehicle starting caused by high-current self-discharge for a long time. The method is suitable for all vehicle accumulators.

Description

technical field [0001] The invention relates to the field of automobile battery management, in particular to an automobile battery monitoring method and system. Background technique [0002] Existing vehicles lack monitoring of battery power, and there is only a generator status prompt, which cannot identify whether the battery is charged, cannot identify the storage capacity of the battery, and cannot identify whether the battery is self-discharging. If the battery cannot be charged and used for a long time, it will eventually cause the vehicle to fail to start and cause a breakdown accident. [0003] The State Intellectual Property Office of the People's Republic of China published a patent document with the publication number CN102381209A on March 21, 2012. The name is a low-voltage battery fault management method for pure electric vehicles, which is specifically: in any of the following four fault conditions When this happens, the vehicle controller thinks that the batt...

AI Technical Summary

Problems solved by technology

[0004] The present invention mainly solves the technical problems existing in the prior art, such as the lack of a proper battery state detection and judgment method, and the difficulty in timely finding out that the battery has failures such as failure to charge, excessive self-discharge, etc., and provides a method that can timely and accurately judge Automobile battery monitoring method and system for whether the battery is normal

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