The invention discloses a self-powered wheel speed monitoring system oriented to wheel rotation energy collection, and aims to solve the problems of low energy conversion efficiency, single energy conversion form, complex wiring and the like existing in energy supply of a current wheel speed monitoring system. The device is composed of a rear end cover, a shell, an electromagnetic coil, a piezoelectric assembly, a PTFE film, an electrode, a flywheel transmission shaft, a flywheel assembly, a bolt I, a nut I, a front end cover, a bolt II, a nut II, a bearing I, a bearing II, a signal processing unit and a low-power-consumption central processing unit. Along with the rotation of the wheels, the flywheel assembly in the system rotates along with the wheels under the action of the flywheel transmission shaft. And a square magnet II on the flywheel assembly interacts with the piezoelectric assembly to realize piezoelectric power generation. And meanwhile, the rectangular magnet interacts with the electromagnetic coil in the shell, so that electromagnetic power generation is realized. On the other hand, relative motion work is generated between the friction material on the flywheel assembly and the electrode, and then independent layer type friction power generation is achieved; effective electric energy integration is carried out on the three power generation modes, and then power is supplied to the low-power-consumption central processing unit; the low-power-consumption central processing unit can be used for sensing and monitoring the rotating speed of the wheels in real time by analyzing the trend and frequency of the electric signals output by the friction materials and the independent electrodes, recognized information is sent to the display terminal through the wireless communication module of the low-power-consumption central processing unit, and the wheel speed information is displayed in real time. According to the self-powered wheel speed monitoring system designed by the invention, effective combination of different power generation modes is realized, and the energy conversion efficiency is improved. The system has the advantages of being high in energy utilization rate, capable of sensing and monitoring the rotating speed of the wheels in real time, capable of achieving self-powered wireless sensing and the like.

    本发明公开了面向车轮旋转能量收集的自供电轮速监测系统,以解决当前用于轮速监测系统供能存在的能量转换效率低、能量转换形式单一、布线复杂等问题。本发明由后端盖、壳体、电磁线圈、压电组件、PTFE薄膜、电极、飞轮传动轴、飞轮组件、螺栓Ⅰ、螺母Ⅰ、前端盖、螺栓Ⅱ、螺母Ⅱ、轴承Ⅰ、轴承Ⅱ、信号处理单元、低功耗中央处理器组成。随着车轮的转动,在飞轮传动轴的作用下系统中的飞轮组件也随之做旋转运动。飞轮组件上的方形磁铁II与压电组件相互作用,实现压电发电。同时,矩形磁铁与壳体内的电磁线圈相互作用,实现电磁发电。另一方面,飞轮组件上的摩擦材料与电极之间产生相对运功,进而实现独立层式摩擦发电;对三种发电方式进行有效的电能整合后为低功耗中央处理器供电;低功耗中央处理器通过分析摩擦材料与独立电极输出电信号的趋势和频率,可以用来对车轮转速进行实时传感和监测,并且通过低功耗中央处理器的无线通讯模块将识别的信息发送到显示终端,对轮速信息进行实时的显示。本发明设计的自供电轮速监测系统,实现了不同发电模式的有效结合,提高了能量的转换效率。具有能量利用率高、对车轮转速进行实时的传感与监测、自供电无线传感等特点。


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    Title :

    Self-powered wheel speed monitoring system oriented to wheel rotation energy collection


    Additional title:

    面向车轮旋转能量收集的自供电轮速监测系统


    Contributors:
    LU XIAOHUI (author) / RUAN WENTAO (author) / CHENG TINGHAI (author)

    Publication date :

    2023-02-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK , Messen der Linear- oder Winkelgeschwindigkeit, der Beschleunigung, der Verzögerung oder des Stoßes / H02N Elektrische Maschinen, soweit nicht anderweitig vorgesehen , ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR / B60C VEHICLE TYRES , Fahrzeugreifen



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