Battery leakage detector and detection method thereof

Abstract

The invention provides a battery leakage detector, which comprises a detector box body, a detector box cover and a power supply; the detector box body is internally provided with a detection device, and the detection device comprises a PCB module with a single chip microcomputer, and a temperature and humidity sensor, an ethylene glycol sensor, a carbon monoxide sensor and a communication interface which are arranged on the PCB module; the battery leakage detector makes up for the functional deficiency of an existing electric vehicle battery BMS system, performs targeted monitoring on batteryelectrolyte leakage and cooling liquid leakage, and achieves the functions of pre-discovery and pre-alarm on the thermal runaway phenomenon of a battery pack. Through the application of various sensors, the battery detection function is more comprehensive, hidden dangers caused by battery leakage are checked one by one, and the safety of the battery in the use process is truly guaranteed. Meanwhile, the detector also provides signal uploading and real-time alarming functions, so that all-around safeguard is realized.

Description

technical field [0001] The invention belongs to the field of new energy automobile industry, and in particular relates to a battery leakage detector and a detection method thereof. Background technique [0002] With the rise of the new energy vehicle industry, the safety of electric vehicle batteries has attracted much attention. Car batteries are tested according to national safety standards before leaving the factory, but the factory inspection cannot completely simulate the real use environment, and it cannot avoid abnormal conditions in the actual use of the battery, resulting in leakage and accidents. [0003] The leakage of electric vehicle batteries during use mainly includes "mechanical triggers", such as external shocks and punctures by foreign objects, resulting in leakage of electrolyte or coolant; it also includes "thermal triggers", such as a certain Overcharge and overdischarge of the battery cells, internal short circuit, etc., caused the explosion-proof valv...

AI Technical Summary

Problems solved by technology

[0005] The BMS (Battery Management System) that comes with the electric vehicle battery only monitors the working status (current, voltage) and battery temperature of the battery pack. Safety hazards, lack of monitoring means

Conventional safety products on the market are generally based on the alarm after the smoke occurs, that is, the alarm and processing are performed when the accident has occurred, and the early warning function cannot be realized, that is, the accident cannot be prevented.

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