An anti-disassembly device and anti-disassembly method
An anti-disassembly, microprocessor technology, applied in the field of short-range communication, can solve the problems of high height and the inability to achieve miniaturization of active tags, and achieve the effect of reducing costs, simplifying the disassembly detection trigger rod, and avoiding the failure of writing disassembly information.
Active Publication Date: 2017-06-09
ZTE INTELLIGENT IOT TECH
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Problems solved by technology
It mainly involves the anti-disassembly scheme in the form of a micro switch. The disadvantage of this scheme is that there may be false indications, and the action stroke of the micro switch leads to a high height of the device, which makes it impossible for the active label to be miniaturized.
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[0049] Most of the existing anti-disassembly devices are set separately from the power-on device of the equipment where the anti-disassembly device is located (hereinafter referred to as equipment for convenience). In addition, when the device itself is disassembled, it needs to perform operations such as sound and light display, and write disassembly information to the security module, which requires continuous power supply. There is a design that uses large capacitor energy storage to continue the power supply after the micro switch is opened. However, this method has inherent disadvantages: large power consumption, especially when the temperature is high, the leakage current will increase, which is harmful to the use of batteries, etc. Power supply equipment has great hidden dangers; in addition, capacitive energy storage may not be able to meet the sound and light instructions and the operation of the safety module, so that the equipment is removed without recording.
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The invention discloses an anti-disassembly device and a disassembly method, comprising: a microprocessor module, a gravity detection and disassembly detection module, a power supply module and a power supply control module, wherein: the gravity detection and disassembly detection module is used to sense the location of the device The acceleration on each dimension converts the variation of the acceleration on each dimension into an electrical signal and sends it to the microprocessor module; the microprocessor module is used to judge the acceleration of the equipment transmitted by the gravity detection and disassembly detection module on each dimension Whether the variation reaches the acceleration threshold, if so, then control the power control module to cut off the power supply to each module; the power control module is used to control the power module according to the control of the microprocessor module to turn on or off the power supply The power supply of each module; the power supply module is used to supply power to each module. The purpose of the present invention is to reduce misjudgment of removal to the greatest extent, avoid the situation of real removal without recording, reduce power consumption, and the like.
Description
technical field [0001] The invention relates to the technical field of short-distance communication, in particular to an anti-disassembly device and a disassembly method. Background technique [0002] Electronic Toll Collection System (Electronic Toll Collection System, referred to as ETC system, also known as electronic toll collection system) uses Automatic Vehicle Identification (AVI) technology to complete the wireless data communication between the vehicle and the toll station for automatic vehicle identification and Regarding the exchange of charging data, the processing of charging data is carried out through the computer network to realize the full electronic charging system of non-stop automatic charging. [0003] ETC is an electronic automatic toll collection system for roads, bridges and tunnels that is being developed and promoted internationally. This technology has a long history of development in foreign countries. The electronic toll collection systems in th...
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IPC IPC(8): G07B15/06
Inventor 马涛
Owner ZTE INTELLIGENT IOT TECH