The invention discloses a vehicle speed sensor detection system which comprises a sensor unit, a filter, a signal amplifier, a trigger, an A/D converter, a single-chip microcomputer and a signal processing unit which are connected in sequence, the sensor unit is used for collecting a speed signal of a preset position, and the signal amplifier is used for receiving and amplifying an input signal; the trigger is used for triggering shaping, the A/D converter is used for converting a signal after triggering shaping into a digital signal, the signal processing unit comprises a signal storage module and a signal analysis module, the signal storage module is used for storing the digital signal, and the signal analysis module is used for analyzing the digital signal and making a driving safety alarm decision. The system is high in test precision, reliable in data communication and high in anti-interference capability.
本发明公开了一种车速传感器检测系统,包括依次连接的传感器单元、滤波器、信号放大器、触发器、A/D转换器、单片机、信号处理单元,所述传感器单元用于采集预设位置的速度信号,所述信号放大器用于接收输入信号并进行放大,所述触发器用于触发整形,所述A/D转换器用于将触发整形后的信号变换成数字信号,所述信号处理单元包括信号存储模块和信号分析模块,所述信号存储模块用于存储数字信号,所述信号分析模块用于分析数字信号,并进行行车安全报警决策。本发明测试精度高、数据通信可靠、抗干扰能力强。
Vehicle speed sensor detection system
车速传感器检测系统
2021-12-03
Patent
Electronic Resource
Chinese
IPC: | G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK , Messen der Linear- oder Winkelgeschwindigkeit, der Beschleunigung, der Verzögerung oder des Stoßes / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / 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 |
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