The invention belongs to the technical field of signal acquisition and fault detection of Hall sensors, and particularly relates to a two-wire system Hall sensor signal acquisition and fault detection system, which comprises an intelligent power supply module, a control module and a sampling module, the control module is used for driving the intelligent power supply module to be started or closed; the intelligent power supply module is connected with the power supply end of the two-wire system Hall sensor and is used for supplying power to the two-wire system Hall sensor in a starting state; the sampling module is connected with the grounding end of the two-wire system Hall sensor, and the control module detects the change of the level state by collecting the voltage on the sampling module and identifies the PWM number and the duty ratio of the output signal of the two-wire system Hall sensor; the control module is further used for carrying out fault detection on the two-wire system Hall sensor according to the PWM number and the duty ratio of output signals of the two-wire system Hall sensor. The intelligent power supply module is adopted, fault detection and protection of the two-wire system Hall sensor are added, and the safety of the whole vehicle is improved.
本发明属于霍尔传感器的信号采集和故障检测技术领域,具体涉及一种两线制霍尔传感器信号采集和故障检测系统,包括:智能供电模块,控制模块,以及采样模块;控制模块,用于驱动智能供电模块的启动或关闭;智能供电模块与两线制霍尔传感器的供电端连接,用于在启动状态下对两线制霍尔传感器供电;采样模块与两线制霍尔传感器的接地端连接,且控制模块通过采集采样模块上的电压,检测电平状态变化,识别两线制霍尔传感器输出信号的PWM个数和占空比;其中,控制模块还用于根据两线制霍尔传感器输出信号的PWM个数和占空比对其进行故障检测。本发明采用智能供电模块,增添了对两线制霍尔传感器的故障检测及保护,提高了整车的安全性。
Two-wire system Hall sensor signal acquisition and fault detection system and vehicle system
两线制霍尔传感器信号采集和故障检测系统以及车辆系统
2023-12-05
Patent
Electronic Resource
Chinese
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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