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"Run, earthquake..." An emergency short alarm sounded. Don't worry, this is not the scene of the earthquake, but the scene of the emergency evacuation drill for earthquake prevention and disaster reduction in the Gulou District of Nanjing. The launch of the drone aerial photography "disaster" is a highlight of this drill, and it is also the first time that the Gulou District has dispatched drones to perform earthquake relief and reconnaissance missions. The reporter learned that in the earthquake-stricken areas, the use of drone aerial photography disasters has become very common.
Today is the eighth "5.12" disaster prevention and mitigation day in the country. Yesterday, the Jiangsu Earthquake Administration, the Gulou District Government, and the Nanjing Earthquake Administration jointly held an emergency evacuation drill for earthquake prevention and mitigation in the Xindu Square, Gudai Street, Gulou. activity.
The earthquake emergency evacuation drill simulated the scene of a 5.5-magnitude earthquake in Nanjing at 10:10 am on May 11, 2016. With the sound of the first continuous short and short alarm, the residents of Fudi Xindu International Community entered an emergency hedging state, and the Gulou District initiated a Level II response plan. Residents in the room are hiding under the solid furniture. Some residents in the elevator will press all the buttons on the floors of the operation panel. The rest of the people will shun the wall of the elevator. Once stopped, they will leave the elevator quickly and orderly. In turn, the residents evacuated to the emergency evacuation point in the central square of the community in a rapid and orderly manner under the guidance of the corridor leader and the community staff. The evacuation site is equipped with a medical rescue team, a food distribution group, a psychological appeasement group, and a logistics support group. The on-site teams simulate the frightened, comatose, and injured scenes, demonstrating first-aid knowledge such as cardiopulmonary resuscitation and dressing steps, and are provided by professionals. Synchronize first aid common sense.
At the scene, a drone quickly took off. According to reports, the drone flew over the earthquake zone for 22 minutes, returned the ground disaster situation, and transmitted the image data to the disaster relief headquarters to provide relevant information to the rescue department. "This drone is also known as the air search and detection robot . It has been applied in the seismic search and rescue process many times. Its detection accuracy reaches 0.1 meters, and it can fly 100 kilometers continuously at a low altitude of 200 meters, providing reference and basis for post-disaster search and rescue work. Said the staff.
Displacement sensor, also known as linear sensor, is a linear device belonging to metal induction. The function of the sensor is to convert various measured physical quantities into electricity. In the production process, the measurement of displacement is generally divided into measuring the physical size and mechanical displacement. According to the different forms of the measured variable, the displacement sensor can be divided into two types: analog and digital. The analog type can be divided into two types: physical property type and structural type. Commonly used displacement sensors are mostly analog structures, including potentiometer-type displacement sensors, inductive displacement sensors, self-aligning machines, capacitive displacement sensors, eddy current displacement sensors, Hall-type displacement sensors, etc. An important advantage of the digital displacement sensor is that it is convenient to send the signal directly into the computer system. This kind of sensor is developing rapidly, and its application is increasingly widespread.
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