Automobile ABS magnetoelectric wheel speed sensor

A wheel speed sensor and magnetoelectric technology, applied in the field of auto parts, can solve the problems of low stability of the adjustment height of the leather connecting cloth, damage to the magnetic poles, magnets and coils, mud pollution, etc., to achieve good fixing effect and prevent normal The effect of signal transmission, reducing the possibility of damage

Inactive Publication Date: 2021-01-29
陈静群
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned prior art uses a steel ring hose and a leather connecting cloth for fixing, but this fixing method is not easy to replace the sensor when the sensor is damaged, and the height stability of th

Method used

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  • Automobile ABS magnetoelectric wheel speed sensor
  • Automobile ABS magnetoelectric wheel speed sensor
  • Automobile ABS magnetoelectric wheel speed sensor

Examples

Experimental program
Comparison scheme
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Embodiment

[0039] see Figure 1-Figure 3 , an automobile ABS magnetoelectric wheel speed sensor, comprising a fixed plate 1, the top of the fixed plate 1 is provided with a first through hole 2, the left inner wall of the first through hole 2 is fixedly connected with a first rubber pad 3, the first A sensor body 4 is placed inside the through hole 2, and a threaded hole 5 is provided on the right side of the fixed plate 1. The first through hole 2 communicates with the threaded hole 5, and the internal thread of the threaded hole 5 is connected to the limit assembly 6, which The left side of 6 is attached to the sensor body 4, and the bottom of the sensor body 4 is provided with a second through hole 7. The inside of the sensor body 4 is provided with a magnet 8, and the bottom of the magnet 8 is provided with a magnetic pole 9. The bottom of the magnetic pole 9 is located at Inside the second through hole 7, the outside of the magnetic pole 9 is provided with an induction coil 10, and ...

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Abstract

The invention discloses an automobile ABS magnetoelectric wheel speed sensor, and belongs to the technical field of automobile spare parts. The sensor comprises a fixed plate, and a magnet, a magneticpole and an induction coil are all placed in a sensor body; the bottom of the magnetic pole is placed in a second through hole, so fallen leaves and other impurities are prevented from entering the sensor body to damage the magnet, the magnetic pole and the induction coil, and the gear ring can be accurately measured; and the sensor body is placed in the first through hole and is extruded and fixed by screwing the limiting assembly in the threaded hole, so the sensor body is easy to disassemble, maintain or replace; the height of the sensor body can be adjusted according to the use situation,the anti-falling assembly is arranged to conduct secondary limiting on the sensor body, and when a vehicle jolts in the running process, if the sensor body slides down from the first through hole, secondary limiting can be conducted on the sensor body, so the damage caused by slipping of the first through hole is avoided.

Description

technical field [0001] The invention relates to the technical field of auto parts, and more specifically relates to an automotive ABS magnetoelectric wheel speed sensor. Background technique [0002] The speed sensor is a sensor used to measure the speed of the car wheel. Commonly used wheel speed sensors mainly include: magnetoelectric wheel speed sensor, Hall wheel speed sensor. The magnetoelectric wheel speed sensor is generally composed of a magnetic induction sensor head and a ring gear. The sensor head is composed of a permanent magnet, a pole shaft, and an induction coil. rotate. The wheel speed sensing head is a stationary part, and there is a certain gap between the magnetic pole of the sensing head and the end face of the ring gear. [0003] In the prior art, such as CN207752028U, a kind of automobile ABS magnetoelectric wheel speed sensor has been announced, and its structure includes a magnetoelectric wheel speed sensor body, cables, permanent magnets, inducti...

Claims

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Application Information

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IPC IPC(8): G01P3/44G01P1/02G01P1/00
CPCG01P1/00G01P1/026G01P3/44
Inventor 陈静群
Owner 陈静群
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