Disassembly prevention device for Bluetooth onboard unit OBU

A vehicle-mounted unit and tamper-proof technology, applied in the field of intelligent transportation, to achieve the effect of convenient installation and application

Pending Publication Date: 2019-01-18
WATCHDATA SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is a flaw in this anti-dismantle technology, and the user can bypass the anti-dismantle function to transfer the vehicle-mounted unit without authorization.

Method used

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  • Disassembly prevention device for Bluetooth onboard unit OBU
  • Disassembly prevention device for Bluetooth onboard unit OBU

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0021] like figure 1 , figure 2 Shown, a kind of anti-dismantlement device of bluetooth vehicle-mounted unit OBU comprises the active anti-dismantlement electronic label 2 that is connected with vehicle-mounted unit OBU1 by bluetooth communication, and described active anti-dismantlement electronic label 2 comprises MCU22 (micro control unit, Microcontroller Unit), and a power supply module 21 connected to the MCU, a bluetooth module 23 and a tamper detection module 24, the tamper detection module 24 is a magnet 241 and / or a mechanical switch 242, and the active tamper electronic tag 2 passes through the magnet 241 Or the mechanical switch 242 is fixed on the metal vehicle body 3 .

[0022] A method for anti-dismantling of a Bluetooth vehicle-mounted unit OBU, the method comprising: an active anti-dismantlement electronic label 2 regularly s...

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PUM

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Abstract

The invention relates to a disassembly prevention device and method for a Bluetooth onboard unit OB.U The disassembly prevention device comprises an active disassembly prevention electronic tag connected with the onboard unit OBU via Bluetooth communication, wherein the active disassembly prevention electronic tag comprises an MCU and a power module, a Bluetooth module and a disassembly preventiondetecting module connected to the MCU; the disassembly prevention detecting module is a magnet or a mechanical switch; and the active disassembly prevention electronic tag is fixed on a metal vehiclebody through the magnet or mechanical switch. The onboard unit OBU and the active disassembly prevention electronic tag carry out information verification from time to time through a Bluetooth communication channel so as to completely solve the disassembly prevention purpose of the onboard unit OBU. The method is compatible with the use of existing products, can be upgraded as an optional function, and is convenient to mount and apply.

Description

technical field [0001] The invention relates to the field of intelligent transportation, in particular to an anti-disassembly device and method for a Bluetooth vehicle-mounted unit (OBU). Background technique [0002] At present, the domestic non-parking toll collection system (ETC) has gone through the stage from exploration to pilot and then to comprehensive development, and has become an important part of the intelligent transportation system. On highways or urban roads, the Road Side Unit (RSU, Road Side Unit) conducts dedicated short-range communication (DSRC, Dedicated Short Range Communication) with the on-board unit (OBU, On Board Unit) installed on the driving vehicle, and communicates with the on-board unit. Read and write authentication and automatically complete the collection of tolls, which greatly improves the automation and intelligence level of expressways. In future development, this technology can also realize polysemous path identification identification...

Claims

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Application Information

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IPC IPC(8): G07B15/06
CPCG07B15/063
Inventor 彭海龙李振华辛伟程冬冬刘金钊
Owner WATCHDATA SYST
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