Automobile tire anti-blasting early warning device based on conductive film and control method thereof

A technology of early warning device and control method, which is applied in the direction of signal device, optical observation device, tire measurement, etc., to achieve the effect of reducing the trouble of checking tires, light weight and low cost

Active Publication Date: 2017-06-20
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention has designed and developed a car run-flat tire early warning device based on conductive film. The purpose of the present invention is to solve the problem of air leakage accurately and timely when the tire is punctured and before air leakage occurs through the rational layout of the conductive film. alarm problem

Method used

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  • Automobile tire anti-blasting early warning device based on conductive film and control method thereof
  • Automobile tire anti-blasting early warning device based on conductive film and control method thereof
  • Automobile tire anti-blasting early warning device based on conductive film and control method thereof

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Embodiment

[0095] like Figure 12 As shown, according to the description of the above-mentioned embodiment, when it is only necessary to locate the area position information of the damaged conductive film, in this embodiment, the conductive film circuit of the present invention can be simplified into a 2×2 equivalent resistance grid matrix, the equivalent resistive grid matrix is ​​also Figure 9 The calculation and judgment basis of the rough positioning subroutine of the damaged position stored in the single-chip microcomputer in the in-wheel detection device shown are specifically explained as follows:

[0096] Assuming that the resistance value of each equivalent resistance of the conductive film in the figure is 10Ω, and the power supply voltage is 12V, four ammeters A1, A2, A3, and A4 are connected to the places shown in the figure, and the circuit is under normal conditions. The current detected by the meter is 800mA; if the resistor R1 is disconnected, the currents detected by t...

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Abstract

The invention discloses an automobile tire anti-blasting early warning device based on a conductive film. The automobile tire anti-blasting early warning device comprises a conductive film group, current detection devices and a controller, wherein the conductive film group uniformly covers the surface of the inner wall of a tire, and is connected with a power source; the current detection devices are respectively arranged at four edge corners of the conductive film; the controller is electrically connected with the current detection devices, and is used for detecting tire damage information and outputting according to current information. The invention discloses a control method of the automobile tire anti-blasting early warning device based on the conductive film. The control method comprises the following steps of 1, detecting the current of the conductive film, and judging whether the conductive film is damaged or not; 2, after the damage is verified, comparing current changes, determining rough tire damage information and / or specific damaged tire information, and sending out the damaged tire information; 3, after an early warning device receives the damaged tire information, enabling a buzzer to sound, and / or enabling a display device to display the damaged tire and a damaged position.

Description

technical field [0001] The invention relates to the field of automobile tire safety, in particular to an automobile tire run-flat early warning device based on a conductive film and a control method thereof. Background technique [0002] At present, the traffic accidents caused by automobile punctures account for a large proportion of the causes of highway accidents in summer. The cause of a tire blowout is generally excessive tire pressure caused by overloading or overspeeding, or slow tire leakage caused by severe tire wear or puncture by sharp objects. cause a blowout. The tire bursts suddenly, and the driver has no time to control the vehicle, which can easily lead to sideslip, resulting in traffic accidents such as collision, rollover and driving out of the lane. [0003] At present, in addition to regulating driving to avoid traffic accidents caused by tire blowouts, tire pressure detection systems have become a safety configuration for many cars. Today's tire press...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C23/00B60Q9/00B60R1/00B60R16/023
CPCB60C23/00B60Q9/00B60R1/00B60R16/023
Inventor 王军年孟宪卓王庆年
Owner JILIN UNIV
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