Detecting method for vehicle tire and detecting sensor

A detection method and tire technology, which is applied in the field of sensors, can solve the problems of detection function failure, low tire recognition rate, failure to work, etc., and achieve the effects of low internal resistance of the output signal, strong anti-interference ability, and good sealing performance

Active Publication Date: 2008-02-06
合肥市正茂科技有限公司
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AI Technical Summary

Problems solved by technology

The biggest disadvantage is that it is not easy to detect low-speed moving objects (such as vehicles with a speed of less than 10 kilometers per hour), and cannot detect stationary or near-stationary objects (such as vehicles with a speed of less than 5 kilometers per hour)
[0004] In summary, due to the fact that the vehicle tire detection environment currently used is open 24 hours a day, and the interference effects of rain, ice, snow, sand and direct sunlight, etc., these detection sensors and devices installed with detection sensors inevitably have some insurmountable serious problems. Defects, which eventually lead to the failure of the detection function
The result is a low tire recognition rate, or even non-working

Method used

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  • Detecting method for vehicle tire and detecting sensor

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Embodiment Construction

[0025] See attached picture.

[0026] A vehicle tire detection sensor, comprising a liner 5, the center of the liner 5 has a through hole 6, a cavity 7 is arranged in the center of the top of the liner 5, a detection circuit board 4 is installed on the liner 5, and the detection circuit board There are two columnar protruding grid-shaped electrodes on the 4, the positions of the two grid-shaped electrodes correspond to the cavity 7, the wires of the circuit board 4 are drawn out through the through-hole 6, and the circuit board 4 is placed with a rubber The electric isolating layer 3 that sheet is made, the electric isolating layer 3 and the electrode corresponding position of circuit board 4 have opening 8, and opening 8 is positioned at the center of electric isolating layer 3, also corresponds to the electrode position on the circuit board 4, described An elastic conductive layer 2 is placed above the electrical isolation layer 3, and an elastic shell 1 is placed on the con...

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Abstract

The present invention discloses detection method and detecting sensor for vehicle tire. The detecting sensor includes lining, detection circuit board on the lining with electrodes, electrically isolating layer on the detection circuit board and with hole in the position corresponding to the electrodes, elastic conducting layer on the electrically isolating layer, and elastic casing on the elastic conducting layer and fixed on the lining. When no vehicle passes, the electrodes are in off state, and during vehicle passing, the conducting layer is pressed to turn on the electrodes and some signal is output. The present invention has simple structure, and can detect tire number by means of several detection circuits. The present invention may operate in harsh condition and is accurate and durable.

Description

technical field [0001] The invention relates to a sensor, in particular to a sensor and a detection method for vehicle tire detection. Background technique [0002] According to the requirements of the mandatory national standard GB1589-2004 "Outline Dimensions, Axle Load and Quality Limits of Road Vehicles", it is very important to correctly identify the number of vehicle tires in the road transport vehicle weight toll system and over-limit and overload detection system. Technology. [0003] The detection of the number of vehicle tires is essentially a detection device that detects the width of the tires through a certain number of sensors spaced at a certain distance and distributed perpendicular to the direction of driving. Currently widely used detection sensors include load cells, micro switches, photoelectric switches and proximity switches such as Hall switches. Its main defects are as follows: 1. The detection sensor uses the detection device of the load cell, has ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D5/14G07C5/04G01M17/02
Inventor 方咸刚
Owner 合肥市正茂科技有限公司
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