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A tire burst detection method and tire burst sensor

A tire puncture sensor and tire puncture technology are applied in the field of tire puncture detection, which can solve the problems of small size of the tire puncture sensor, pollution of tire atmosphere, and fatigue of sensitive components and switches when they are touched for a long time. , to meet the effect of long-term low power consumption and stable work

Active Publication Date: 2018-11-27
GUILIN SICHAO AUTO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the technical problem by providing a technical solution that solves the problems of fatal failure without leakage, long-term contact pressure fatigue of sensitive components and switches, and air pollution inside the tire; it can realize the small size of the tire burst sensor and increase the weight by no more than 3 grams, the sensitive element does not touch the switch under most conditions, and the switch is pressed only when the internal air pressure of the sensitive element is higher than the external air pressure and the tire blowout signal needs to be output, which is in line with tire pressure.

Method used

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  • A tire burst detection method and tire burst sensor
  • A tire burst detection method and tire burst sensor
  • A tire burst detection method and tire burst sensor

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Effect test

Embodiment 1

[0023] Combine below figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 The embodiment 1 of the present invention, an independent structure tire burst sensor is described in detail.

[0024] The independent structure of the tire burst sensor is composed of a metal bellows bellows (1), a light touch switch assembly (2), a bracket (3) and a base (4); one side of the metal bellows bellows (1) is welded with a threaded membrane Box handle (12), the end of the threaded bellows handle (12) is provided with a structure that is adapted to the adjustment tool, along the central axis of the threaded bellows handle (12) is provided with a threaded hole and a taper head that can adjust the flow of filling and discharging gas Screw (13), the bottom of the threaded hole is provided with a taper hole connected to the cavity of the metal corrugated bellows (1), the corrugated center on the other side of the metal corrugated bellows (1) is provided with an outer contact for the touch switch (...

Embodiment 2

[0030] Combine below figure 1 , figure 2 , image 3 , Figure 4 , Image 6 , The second embodiment of the present invention, a tire burst sensor with a non-independent structure is described in detail.

[0031] As a transformation, the PCB of the remote module for puncture and tire pressure monitoring replaces the independent structure of the puncture sensor base function. The metal corrugated bellows (1) is installed on the metal bracket (3') through the threaded bellows handle (12). The threaded holes are installed on the PCB of the puncture and tire pressure monitoring remote module through screws; the tact switch (21) of the tact switch assembly (2) is directly welded to the PCB of the puncture and tire pressure monitoring remote module to achieve explosion The connection between the tire output circuit and the circuit of the puncture and tire pressure monitoring remote module; the PCB of the puncture and tire pressure monitoring remote module is provided with through holes ...

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Abstract

The invention designs a tyre burst detection method and a tyre burst sensor and provides a technical scheme aiming at solving the problems of leakage-free catastrophic failures, long-time pressing fatigues of a sensitive element and a switch and inner atmosphere pollution of a tyre. With the adoption of the technical scheme provided by the invention, the tyre burst sensor has a small size, and the increased weight is not more than 3 grams; the switch is not pressed by the sensitive element under most conditions and is pressed only if inner air pressure of the sensitive element is higher than external air pressure and a tyre burst signal needs to be output; and the tyre burst detection method meets actual requirements on detection of tyre burst.

Description

Technical field [0001] The invention relates to a tire burst monitoring technology for pneumatic tires for vehicles, in particular to a tire burst detection method, a tire burst sensor structure and a method for using the tire burst sensor. Background technique [0002] Existing tire burst sensors all use a compressible elastic sealed cavity filled with a certain gas as the sensitive element; the sensitive element is compressed under air pressure, and when the tire burst air pressure disappears, the sensitive element restores its shape and touches the switch to output the tire burst Signal; this method can effectively detect any form of puncture, but any leakage caused by defects will cause fatal failure of the puncture sensor. High-density metal materials must be selected to meet the high tightness requirements of sensitive components, followed by adjustment of operating parameters Complex, not conducive to large-scale mass production; the sensitive element of the puncture senso...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L17/00
CPCG01L17/00
Inventor 彭世益彭彦钧
Owner GUILIN SICHAO AUTO TECH
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