A wheel hub antenna for tyre pressure monitoring system mainly includes: wheel hub, wireless tire pressure sensor, a metal connecting needle and the signal feed hole, metal valve assembly, which is characterized in that the valve hole and the inner side of the wheel hub is provided with a wireless tire pressure sensor, the inner surface with the signal feed hole, wireless tire pressure sensor housing a metal connecting needle, which is connected with the output end of the high-frequency signal, the other end is connected with the signal feed hole connection. The advantage of the invention is adapted for the hub antenna, reduce the impact on the transmission performance of the wheel rotates, the antenna efficiency is high, can effectively reduce the transmission power of the transmitter, prolong the service life of the sensor wireless tire pressure, enhance the work performance of the automobile tire pressure monitoring system.
【技术实现步骤摘要】
【技术保护点】
一种用于车辆轮胎压力监测系统的轮毂天线，主要包括：轮毂、无线胎压传感器、金属连接针和信号馈入孔、金属气门嘴组件，其特征在于所述轮毂的气门孔内侧装有无线胎压传感器，内侧表面设有信号馈入孔，无线胎压传感器外壳上装有金属连接针，该金属连接针的一端与传感器电路板上的高频信号输出端连接，另一端与信号馈入孔连接，信号馈入孔为半球形凹槽，金属连接针的末端为突出的半球体，该半球体嵌入信号馈入孔的半球形凹槽内吻合连接。
【技术特征摘要】
【专利技术属性】
技术研发人员：刘胜，冷毅，李青侠，侯斌，
申请(专利权)人：九江保华飞恩微电子科技有限公司，
类型：发明
国别省市：31[中国|上海]
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