Global positioning system (GPS) vehicle anti-theft method and vehicle anti-theft device with acceleration transducer
An acceleration sensor, vehicle anti-theft technology, applied in anti-theft vehicle accessories, vehicle parts, transportation and packaging, etc., can solve problems such as easy to generate false alarms, and achieve the effect of reducing the probability of false alarms
Inactive Publication Date: 2015-06-10
BEIJING CARSMART TECH
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Problems solved by technology
A simple vibration-sensing anti-theft device is prone to false alarms in lightning weather and when the vehicle is accidentally touched
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[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific examples.
[0030] The technical term that the present invention relates to is explained as follows:
[0031] MCU: micro control unit, also known as single-chip microcomputer or single-chip microcomputer, is the control center of the present invention;
[0032] G-SENSOR: Gravity sensor, which can sense the change of acceleration force, which is the force acting on the object when the object is accelerating;
[0033] CORTXE-M3: It is a 32-bit core developed by ARM. Its advantages lie in low power consumption, low cost and high performance. The MCU of the present invention uses the CORTXE-M3 core as the MCU.
[0034] figure 1 It is an overall structural block diagram of the present invention, as shown in the figure, the vehicle anti-theft device of the present invention includes: MC...
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The invention provides a GPS vehicle anti-theft device with acceleration transducer which comprises a microprogrammed control unit (MCU) module, a global system for mobile communication (GSM) module, a GPS module, a G-SENSOR and a power management module. The MCU module monitors the state changes of the G-SENSOR, obtains locating information of the GPS module, and processes the information; the GSM module exchanges data with a management platform through a general packet radio service (GPRS) data channel under the monitoring of the MCU module; the GPS module obtains the locating information of vehicles, the G-SENSOR senses motion states of the vehicles and sends trigger signals to the MCU module according to changes of the motion states of the vehicles; and the power management module provides power for the GSM module and the GPS module under the monitoring of the MCU module. According to a GPS vehicle anti-theft method and the vehicle anti-theft device with the acceleration transducer, the whole power consumption is low; and under a circumference of a same battery capacity, the stand-by time is greatly prolonged, and the false alarm probability of equipment can be effectively reduced.
Description
technical field [0001] The invention relates to vehicle anti-theft technology, in particular to a vehicle anti-theft method and a vehicle anti-theft device utilizing an acceleration sensor and a GPS satellite positioning system. Background technique [0002] At present, in automobile anti-theft technology, multiple technologies are used. For example, it is more common to use GPS satellite positioning system GPS signals to track the traces of stolen vehicles. When the GPS system of the vehicle is unplugged or destroyed, there will be relatively big problems in vehicle tracking, and even lost stolen vehicles. The trail of the vehicle increases the difficulty of recovering the stolen vehicle. Patent No. 200720153733.4 proposes to include a backup GPS navigation system in the vehicle tracking system. When the main navigation system is destroyed, the backup GPS navigation system will be automatically activated. [0003] However, relying solely on GPS positioning to realize the ...
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IPC IPC(8): B60R25/102B60R25/33
Inventor 蒋伟明
Owner BEIJING CARSMART TECH