High-altitude safety belt control system for smart construction sites
A control system and seat belt technology, applied in the general control system, control/adjustment system, program control, etc., can solve problems such as interruption, false touch of seat belt state, power failure detection, etc., to avoid potential safety hazards and improve effectiveness Effect
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Embodiment 1
[0037] High-altitude safety belt control system for smart construction sites, such as figure 1 and figure 2 Shown: Including the portable terminal, the portable terminal is equipped with a power switch for controlling power on or off, the mobile terminal and the server, the portable terminal is fastened to the safety belt through the ring-shaped lock buckle, and the safety belt uses the existing safety belt for working at heights The product is enough; the portable terminal detects the fastening information of the buckle on the seat belt and sends out the fastening information. The portable terminal starts the timing when it obtains the disconnection signal of the power switch, and the portable terminal stops when the disconnection signal of the power switch is cancelled. Timing, the portable terminal is powered off when the timing duration is greater than the preset duration; the portable terminal sends the buckle information to the server, the server can be a PC computer in...
Embodiment 2
[0048] The difference with Embodiment 1 is that, if Figure 4 As shown, the power management module includes a management circuit, the management circuit includes an input terminal IN, the input terminal IN is connected to the inductor L1 and one end of the first capacitor C1, and the other end of the first capacitor C1 is grounded;
[0049] The other end of the inductor L1 is connected to one end of the second capacitor C2, one end of the first resistor R1 and the source of the field effect transistor Q1, the other end of the second capacitor C2 is grounded, the gate of the field effect transistor Q1 is connected to one end of the second resistor R2, The drain of the field effect transistor Q1 is connected to one end of the output terminal OUT, the third resistor R3, the fourth resistor R4, the third capacitor C3 and the fourth capacitor C4, the input terminal IN is connected to the positive pole of the power supply, and the output terminal OUT is connected to the negative pol...
Embodiment 3
[0057] The difference with Embodiment 2 is that it also includes a distance measuring module. The distance measuring module can be the laser distance measuring module of the existing U81A model, and the signal of the distance measuring module is connected to the control module. The control module obtains the height value for judgment, and when the height value is greater than the height threshold and the timing duration is greater than the preset duration, the control module controls the portable terminal to power off.
[0058] Before controlling the power-off of the portable terminal, the external environment information of the staff is detected by detecting the height from the ground to judge whether to power-off, double insurance, and improve the accuracy of seat belt status detection.
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