Safety monitoring and warning system for tourism dangerous area
A dangerous area and safety monitoring technology, applied in the direction of electric transmission signal system, TV system components, alarms that rely on interference with short-wavelength radiation, etc., can solve the problem of lack of warning function, lack of positioning and judgment functions, and unfavorable dangerous areas of scenic spots Monitoring and alarming and expulsion, etc., to achieve good monitoring and warning, reduce personnel intrusion, and monitor a wide coverage area
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Embodiment 1
[0053] Such as Figure 1-2 As shown, a safety monitoring and warning system for tourist dangerous areas includes a single-chip microcomputer; the single-chip microcomputer includes a communication module, an image recognition module, an acousto-optic alarm module, a video query module, and an intrusion detection module; the image recognition module includes at least A camera and image processing module;
[0054] The intrusion detection module includes at least two sound detectors, at least two RFID readers, and at least two infrared detectors; the sound detector includes a plurality of sound sensors, data acquisition modules, DTU modules, Lora modules, the The sound sensor is connected with the DTU module through the data acquisition module, and the DTU module is connected with the Lora module, and the sound detection body is connected by wireless communication with the single-chip microcomputer through the Lora module;
[0055] The RFID reader can identify the uniquely ident...
Embodiment 2
[0059] Such as Figure 3-5 As shown, on the basis of the first embodiment, at least two sound detectors perform chain communication through the Lora module.
[0060]The networking process of the chain communication is that multiple sound sensors perform chain communication with the data acquisition card through the Lora module. The signal strength of the networking signal is received by the Lora module of the sound sensor that receives the highest signal strength of the networking, and communicates with the DTU module, and then the Lora module of the sound transmitting sensor measures the signal strength of other sensor nodes, Then connect to the strongest one, and connect to the Lora modules of the remaining sound sensors in this way to complete the chain networking.
[0061] When using the image method or RFID reader and infrared detection, if an animal strays into the danger zone, it will trigger the sound and light alarm system and cause unnecessary panic. Therefore, afte...
Embodiment 3
[0064] Such as Figure 6 As shown, the image processing module judges according to the light and dark changes in the images collected when people intrude in the dangerous area, and the light and dark changes of the images are processed by the image grayscale binarization matrix to determine that the number of black and white pixels has changed.
[0065] The process of image processing includes the following steps:
[0066] A. When no one is intruding, collect the reference image of the dangerous area, perform optimal threshold segmentation and binarization on the image, and calculate the proportion of black pixels in the collected reference image as a;
[0067] B. Collect images of dangerous areas in real time, perform optimal threshold segmentation and binarization processing on the images, and calculate the proportion of black pixels in the collected reference images as b;
[0068] C. Calculate whether the value of b-a is greater than the set trigger threshold. The trigger ...
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