Intelligent walking warning board for expressway accident early warning and self-help seeking
A highway and intelligent walking technology, applied in the field of intelligent transportation, can solve the problems of insignificant warning effect, inability to call for help in time, dangerous placement process, etc., and achieve the effect of reducing secondary accidents, ensuring safety, and high efficient operation.
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Embodiment 1
[0027] This example discloses a smart walk alarm mainly consisting of a motion information acquisition chip, a smart tracing module, a GPS positioning module, a single-chip CPU control module, a SIM information transmission module, a camera, and a WiFi network transmitting module, and a wireless remote control device.
[0028] Its workflow figure 1 As shown, the vehicle is in the normal travel process, the GPS module mounted in the warning is in a hot standby state, and the vehicle motion information collector collects the vehicle acceleration data at fixed time intervals.
[0029] When an accident occurs, the information acquisition is obtained from the three-axis direction (500 ms) to the acceleration of the peak. The peak acceleration reaches the set threshold, automatically issues, and stores the type of accident type according to the acceleration value to discriminate the incident type, waiting for the next command. After the device issues an alert, if no one is an interrupt ...
Embodiment 2
[0035] In the present embodiment, the warning sign identifies the white solid line of the vehicle sides and realizes autonomous driving through the infrared tracing module. After the traffic accident occurs, it prevents the driver from hazardous in the process of launching alarm in reverse walking.
[0036] The autonomous tracing of the warning sign is mainly mainly 51 single-chip microcomputer (see the schematic diagram figure 2 ), Infrared pairing function unit L298N drive module, drive motor (for motor drive circuit schematic Figure 5 ), Power supply, etc., its digital tube display circuit is like Image 6 Indicated.
[0037]The tracking module mainly adopts infrared detection. Two infrared emissions and reception pairs are used on both sides on the front of the warning card. The infrared tube is constantly transmitting infrared rays in the operation. When the warning is driven from the edge of the car row, it is about to deviate. The laterally detected endless signal is detecte...
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