Composition of life detector
The mobile detection system of the life detector of Monitoring Security System Company is a sensor, which consists of the following main components:
A transmitter for transmitting ultra-wideband signals
A receiver for detecting the received return signal
A computer for reading signals from a receiver and performing algorithmic processing.
The sensor contains programmable firmware. The signal generated by the sensor is transmitted to the PDA controller for display through wireless transmission. Sensors and controllers have their own independent power supply.
Working principle of life detector
The life detector is actually a breathing and motion detector. The radar signal transmitter continuously emits electromagnetic signals and scans a certain space, and the receiver continuously receives the reflected signals and performs algorithm processing on the returned signals. If the detected person remains still, the return signal is the same. If the target is moving, the signal is different. By comparing the signals received in different time periods with other algorithms, we can judge whether the target is moving.
The working principle of life detector is to detect the breathing movement or action of the detected person. Because of the low frequency of breathing, which is generally 1 2 times per second, breathing movement can be distinguished from other higher frequency movements. The principle of measuring motion is basically the same. The antenna of Supervisory Safety System Company is one of the two kinds of ground penetrating radar antennas of Mars probe designated by NASA, which can capture very weak motion very sensitively, and with powerful algorithm processing, it is the best helper for safety and life-saving departments.
Technical advantages of life detector different from traditional safety lifesaving system.
The life detector of the supervision safety system company aims to solve the fundamental shortcomings of the existing life-saving systems in the market at present. At present, life-saving systems can't detect movement through obstacles, but most systems, such as camera systems, have very limited detection range and can only give an alarm when people in distress enter the field of vision of camera lens or sensor. Audio-based detection system is greatly limited by distance, obstacles, debris and whether the person in distress is still strong and awake enough to make a sound.
Survision Security Systems' life detector can detect the movement and breathing of people in distress in a certain range within 30 seconds, and can penetrate obstacles (such as reinforced concrete brick walls, asphalt layers, snow caused by mudslides and avalanches) for detection, which is not affected by sound and background noise. The sensor of the supervision safety system company can send out the signal containing the target designation information, thus making the detection activities faster and more accurate, and making the first responders, security personnel and military personnel involved in the rescue safer.
The basic functions of the life detector include:
Real-time motion detection can penetrate concrete, brick, snow, ice and mud.
Detect motion
Detect the distance of the person in distress
Can work in all kinds of weather conditions.
Intuitive and easy to learn, without a lot of special training.
The requirement for power supply energy is low.
Almost no system maintenance is needed.
Firmware programs can be upgraded through wireless or wired networks.
There is no need to drill holes, lay cables and mute the environment, so the search and rescue work is simple and easy.
In the race against time rescue work, life detectors can help search and rescue personnel find survivors in distress quickly, accurately and safely, thus winning valuable time for rescue work.