The utility model provides an automobile crankshaft sensor, comprising a sensing head and a plug, between the sensor head and a plug through a cable, sensing head is composed of an upper shell and a lower shell, a cable head is inserted in the shell, the peripheral shell extends outward is provided with a mounting hole, which is characterized in that the upper shell and the lower shell card then, under the shell under the bottom of the shell is provided with a hollow core hole communicated with the inside of the shell, the inside of the shell from the bottom is provided with a magnet core, two core, iron core, a bottom end is embedded in the core hole, a core for inverted cone shape, a circle is arranged outside the iron core coil frame, frame coil winded with coils, between the coil and the cable connected by a conductive sheet in the lower and upper ends are respectively provided with a magnet core and a core two, to maximize the magnet, and the iron core The utility model has the advantages of an inverted cone shape, a small upper part and a small size, which can greatly enhance the magnetic conductivity, thereby improving the sensitivity of the sensor.
【技术实现步骤摘要】
本技术涉及一种车用传感器,特别涉及一种汽车曲轴传感器。
技术介绍
现有技术中,一般磁电式曲轴传感器包括线圈和磁铁,但是单单靠两者产生磁电效应的信号太弱,导磁性能低,传感器的感应效果差。
技术实现思路
本技术要解决的技术问题是提供一种汽车曲轴传感器,不仅可以使磁铁的磁性最大化,而且导磁性能也大大提升,从而提高传感器的灵敏度。为了解决上述技术问题,本技术提供一种汽车曲轴传感器,包括传感头和插头,所述传感头和插头之间通过电缆线连接,所述传感头分为上壳体和下壳体,所述电缆线一头穿设于上壳体中,所述下壳体外周向外延伸设有安装孔,其特征在于所述上壳体和下壳体卡接,所述下壳体内部中空,所述下壳体底端设有与下壳体内部连通的铁芯孔,所述下壳体内部从下至上依次设有铁芯一、磁铁、铁芯二,所述铁芯一的底端嵌于铁芯孔中,所述铁芯一为倒置的圆台形,所述铁芯一圆周外侧设有线圈架,所述线圈架上缠绕有线圈,所述线圈与电缆线之间通过导电片连接。本技术的有益效果是:在磁铁的下端和上端分别设有铁芯一和铁芯二,使得磁铁的磁性最大化,而且铁芯一为倒置的圆台形,下小上大,大大提升导磁性,从而提高传感器的灵敏度。附图说明图1为本技术正面结构示意图;图2为本技术感应头的俯视图;图3为图2中A-A剖视图。具体实施方式参照附图,一种汽车曲轴传感器,包括传感头1和插头2,所述传感头1和插头2之间通过电缆线3连接,所述传感头1分为上壳体11和下壳体12,所述电缆线3一头穿设于上壳体11中,所述下壳体12外周向外延伸设有安装孔13,通过该安装孔13将传感头1进行安装。传感头1的上壳体11和下壳体12卡接,在本实施例中,所 ...
【技术保护点】
一种汽车曲轴传感器,包括传感头和插头,所述传感头和插头之间通过电缆线连接,所述传感头分为上壳体和下壳体,所述电缆线一头穿设于上壳体中,所述下壳体外周向外延伸设有安装孔,其特征在于所述上壳体和下壳体卡接,所述下壳体内部中空,所述下壳体底端设有与下壳体内部连通的铁芯孔,所述下壳体内部从下至上依次设有铁芯一、磁铁、铁芯二,所述铁芯一的底端嵌于铁芯孔中,所述铁芯一为倒置的圆台形,所述铁芯一圆周外侧设有线圈架,所述线圈架上缠绕有线圈,所述线圈与电缆线之间通过导电片连接。
【技术特征摘要】
1.一种汽车曲轴传感器,包括传感头和插头,所述传感头和插头之间通过电缆线连接,所述传感头分为上壳体和下壳体,所述电缆线一头穿设于上壳体中,所述下壳体外周向外延伸设有安装孔,其特征在于所述上壳体和下壳体卡接,所述下壳体内部中空,所述下壳...
【专利技术属性】
技术研发人员:陈超伟,
申请(专利权)人:温州伟力汽车部件有限公司,
类型:新型
国别省市:浙江;33
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