The invention discloses an intelligent relay for an electric automobile, and belongs to the technical field of electric automobile safety protection. The relay is connected with a BMS battery management system, and the BMS battery management system comprises a charging protection module, a battery pack fault detection module and an alarm module; the charging protection module detects the current, the voltage and the temperature of the charging pile in real time and compares the current, the voltage and the temperature with thresholds, if the thresholds are within a safe range, the BMS controls the relay to be switched into a charging state, otherwise, the relay is cut off, and charging is stopped; the battery pack fault detection module is used for detecting a fault battery pack and comparing current, voltage and temperature data of the battery pack with preset thresholds, if the fault battery pack is in a safe range, the fault battery pack stops working through a relay, the vehicle continues to run to a maintenance point or a safe area at low voltage and low current, and otherwise, the battery pack stops working; after the fault of the battery pack is detected, the VCU performs information interaction with the VCU, and the VCU controls the alarm indicator lamp to light up and uploads the fault information to the cloud platform to perform information sharing with the mobile phone client.
本发明公开一种电动汽车用智能继电器,属于电动汽车安全保护技术领域。继电器和BMS电池管理系统连接,BMS电池管理系统包括充电保护模块、电池包故障检测模块和报警模块;充电保护模块实时检测充电桩的电流、电压和温度并与阈值比较,如在安全范围内,BMS控制继电器切换为充电状态,反之切断继电器,停止充电;电池包故障检测模块用于检测出故障电池组并将电池包的电流、电压和温度数据与预设阈值比较,在安全范围内则通过继电器让故障电池组停止工作,车辆低电压、低电流继续行驶至维修点或安全区域,反之则电池包停止工作;检测出电池组故障后与VCU信息交互,VCU控制报警指示灯亮起并将故障信息上传到云平台与手机客户端进行信息共享。
Intelligent relay for electric automobile
一种电动汽车用智能继电器
2024-07-26
Patent
Electronic Resource
Chinese
IPC: | H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
Electric automobile and intelligent battery replacing system for electric automobile
European Patent Office | 2021
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