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Tyre bursting sensor

A tire blowout sensor and tire blowout technology, applied in the field of tire blowout monitoring and tire blowout sensors, can solve tire safety hazards, unsatisfactory real-time performance and other problems, achieve strong real-time performance, and meet the effect of long-term low power consumption and stable work

Inactive Publication Date: 2010-08-18
GUILIN SICHAO AUTO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of tire rotates once to detect the real-time air pressure is not ideal, and it is necessary to punch holes in the rim to introduce the air into the tire, which will inevitably bring about hidden dangers to tire safety.

Method used

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Embodiment Construction

[0015] Embodiment 1 of the present invention will be described in detail below with reference to FIG. 1 , FIG. 2 , and FIG. 3 .

[0016] As shown in Figure 1, the tire burst sensor is composed of an air pressure sensing unit 1, a switch 2 and a housing 3. The air pressure sensing unit 1 adopts a sealed metal film box filled with nitrogen gas at a certain pressure inside, and the switch 2 adopts a commonly used single-pole double-throw For the micro switch, the shell 3 provides structural installation, and the switch 2 is installed at a position where the metal diaphragm box 1 can be deformed by the air pressure to cause the "open" or "close" action.

[0017] When the switch 2 of the tire burst sensor is connected to the TPMS subsystem installed in the same tire (see Figure 3), the A, B, and C terminals of the tire burst sensor are respectively connected to INT, GND, and Vcc of the TPMS subsystem, wherein, A-B is the flat tire switch, and A-C is the added start switch. When th...

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Abstract

The invention designs a tyre burst sensor and comprises an air pressure sensing unit and a switch. Because of utilizing the properties of compression or deformation in normal tyre pressure and recovery when the tyre bursting or the tyre air pressure falling of the air pressure sensing unit, the driven switch closes to output a tyre burst signal. The tyre burst sensor can detect the tyre burst signal in the first time when the tyre bursts. Therefore, the invention not only conforms to the characteristic of strong real time in detecting the tyre burst, but also meets the requirement of long-period low power consumption steady operation of the detecting system.

Description

technical field [0001] The invention relates to tire safety monitoring technology for pneumatic tires for vehicles, in particular to a tire burst sensor for tire burst monitoring and a realization method. Background technique [0002] In the existing air pressure detection technology that can be used for sports tires, the TPMS (Tire Pressure Monitoring System) using wireless communication is used to maintain the battery energy of its subsystems for several years. Check the air pressure once after sleep. The survival hope of the occupants depends on timely and effective safe deceleration measures within 2s to 3s after the tire bursts; if the air pressure detection cycle of the TPMS subsystem is shortened to 200ms (the minimum requirement for real-time performance) that can be tolerated by the tire burst monitoring, The battery energy of the TPMS subsystem will not be enough to maintain 2000 hours of stable work. Therefore, the existing TPMS cannot meet the requirements of ti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L17/00B60C23/02G01L7/02
Inventor 彭世益彭彦均
Owner GUILIN SICHAO AUTO TECH
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