Optical Life Detector: Seeing the Ruins Clearly

"Snake Eye" is a kind of search instrument. Its scientific name is "optical life detector" and it is an instrument that uses light reflection to perform life detection. The main body of the instrument is very flexible, like a snake skin tube used in the sewer, which can be freely twisted in the rubble. There are small probes in front of the instrument that can penetrate into the tiny gap detection. Similar to the camera equipment, the information is sent back. The rescue team can use the viewer to clearly see the depth of the rubble.

In addition, the probe on the optical life detector can rotate 360 ​​degrees. As long as there is an eye with a thick finger on the ruins, the optical life detector can reach in. The probe rotates below and transmits the image, basically confirming where the person is buried. The location and trapped terrain, in the actual rescue can not hurt the buried personnel.

Thermal infrared life detector: can work in the dark

The thermal infrared life detector has a night vision function. Its principle is to judge different targets by sensing the temperature difference, so it can also work in the dark. Infrared life detectors are precise in terms of whether or not people feel that they are alive, ensuring that they do not miss anyone who has only a glimmer of hope.

It can perfectly help the rescue team to locate the victims in or around the rubble-affected area. It can detect and display the heat of the victim's body, thus helping the rescue team to quickly determine the location of the victims buried under the rubble or behind the dust, and can withstand the harsh conditions of the rescue scene.

The thermal infrared life detector can also be used to detect the hidden fire zone distribution in coal mines, the location of the fire source, and non-contact detection of hidden dangers of various switches, joints and transformers in downhole central and mining substations, water pumps, and explosion protection. Temperature rise of motors and power equipment (power cables), heat generation of conveyors and transport belts.

Sonic Life Detector: Can Explore the Weak Sound

The sound wave vibration life detector finds life by recognizing the sound of trapped people. Humans have two ears. This instrument has three to six ears. Its ears are called "vibrators". They are also called vibration sensors. They can judge the specifics of survivors based on the slight differences in the sounds heard by each ear. position.

The voice of speech is most easily identified for it because the designer has fully studied the frequency of human voice. If the survivor can no longer speak, just tap with your finger and make a slight noise that can also be heard by it. Even if the buried person was trapped under a fairly solid large-area cement floor, as long as the heart quivered slightly, the detector could feel it, so the rescue team could determine if anyone was living under the rubble.

Search Dogs: The Most "Smart" Search Experts

The above search instruments are relatively advanced internationally, but they are not the most "smart" search experts. On this basis, the national rescue team and some provincial (city) rescue teams also introduced a special group of "team members" - — Search dogs. After professional training, they have become a search expert.

The ability of dogs to distinguish odors is more than one million times that of humans, and hearing is 18 times that of humans. Not only is it a broad field of vision, but also has the ability to see objects under weak light conditions. It is the "equipment" that has the best search and rescue effect in the world. . Dog search is one of the most effective methods for on-site search. Experience shows that it takes only 30 to 60 minutes for a dog to complete the search. At a certain location, if no survivors were found in two consecutive search dogs, 100% could be considered as having no survivors in the area. Of course, canine search is not "universal". When using dog search, you should pay attention to the wind direction. Sometimes a search dog can only tell you that you have a survivor and cannot tell you exactly where you are. At this time, you should use electronic devices to accurately locate. In addition, search dogs have high requirements for odors, and the presence of chemical substances, decayed bodies, and disinfecting insecticides in the summer may interfere with the search dogs' work.