Method and device for anti-theft detection of automobile wheels
A detection method and automobile technology, applied in the direction of wheels, transportation and packaging, wheel covers, etc., to achieve the effects of strong system robustness, easy transplantation, and high real-time work
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Embodiment 1
[0055] like figure 1 Shown, a kind of automobile wheel anti-theft detection method uses an acceleration sensor and a single-chip microcomputer, and its steps are as follows:
[0056] Step 100 The acceleration sensor collects the acceleration signals of the car in the horizontal front-back direction, the horizontal left-right direction, and the direction perpendicular to the horizontal plane. The single-chip microcomputer collects the data from the acceleration sensor and processes the data. After parking, the wheel anti-theft detection system is automatically activated , start the car tilt signal detection.
[0057] Step 200 initializes the acceleration sensor and the single-chip microcomputer of the MSP430 chip system, and sets the signal acquisition frequency as 40Hz. The initialization process includes the setting of the system clock, data acquisition control timer and communication resources; when the initialization is completed, the system starts the timer and starts data...
Embodiment 2
[0083] An automobile wheel anti-theft detection device, comprising an acceleration sensor and a single-chip microcomputer, the acceleration signals collected by the acceleration sensor in the horizontal front-back direction, the horizontal left-right direction and the three directions perpendicular to the horizontal plane are used as the acceleration signals in three directions, and it is characterized in that, It includes a reading module, a noise reduction module, an angle signal conversion module, a storage module, a first calculation module, a first comparison module, a second calculation module, a second comparison module, a third detection module and an alarm module.
[0084] After parking, the wheel anti-theft detection system is automatically activated, and the vehicle tilt signal detection is started. The reading module reads the acceleration signals collected by the acceleration sensor in the three directions of x, y, and z, and x represents the horizontal front and re...
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