Firefighting Force Rescue Rescue Mandatory Life Detector
ã€Abstract】According to the current application of life detectors in the firefighting force, the characteristics and applicability of commonly used life detectors are analyzed and compared, and their respective advantages and disadvantages are described; the problems of life detectors in actual combat applications of fire brigades are discussed and improvements are proposed. action: Radford US radar life detector, for example, in accordance with its detection angle and depth of calculating detectable area in a short time in order to search out more trapped, rescue improve efficiency. Through this analysis and research, it will provide reference and help to improve the practicality of the life detector in the fire-fighting force and enhance the rescue capability of the fire brigade in the event of an earthquake or building collapse. ã€Keywords】 life detector; firefighting force: earthquake rescue; radar life detector 0 Introduction In the face of earthquakes and major collapse disasters, how to quickly and accurately find the living bodies buried in rubble, concrete, and other rubble, to maximize the salvation of the lives of the people is one of the technical problems in the rescue work of the fire brigade. During the Wenchuan and Yushu Earthquake Rescue, the firefighting forces rushed to the disaster area with life search equipment and other search and rescue equipment. In the first instance, they asked the search for trapped people and carried out rescue operations. This played a huge role. However, at present, the life detectors used by our country's fire-fighting forces are mainly produced abroad. There is a big gap between the parameters of product promotion and the actual use conditions. In some areas, the calibration and calibration of detection devices such as life detectors are insufficient. Attention must not be given to its full potential: the grass-roots fire-fighting force has less training for life detectors, and as a result, most firefighters are not skilled in their methods of operation and application skills, which affects the efficiency of the rescue to some extent. 1 Comparison of the performance of life detectors commonly used by the fire brigade The life detector is an instrument that can output visible or audible signals after being filtered and amplified according to physics such as electromagnetic waves, sound waves, and light waves, and is applicable to the search, detection, and life seeking of earthquakes, building collapses, explosions, and collapse of buildings. equipment. Different types of sensors, generally divided life detector: Life Detector audio, video life detector, electromagnetic detector life, life detector and radar detector life dioxide ⋯. At present, the life detectors used by the fire brigade are mainly the first two types. Since the radar life detector is relatively expensive, the fire brigade is not widely equipped, but its practical effect is relatively good and it has a good application prospect. The following is a comparative analysis of the working principles, detection characteristics, and applicable places of various life detectors commonly used by firefighting forces, as shown in Table 1 . 2 Problems and Improvements in Application of Life Detectors in Fire Fighting Forces 2 . 1 Problems with life detectors in the application of firefighting forces 2008 Wenchuan earthquake relief, fire brigade one-time mobilization of rescue vehicles 491 units, 153 units life detector, rescue equipment 180,000 (sets), 8,100 search and rescue personnel from the rubble, survivors 1701, and transferred to rescue stranded There are 51730 people. In this process of earthquake relief, the life detector played an irreplaceable role in saving lives, and it also played a role in the daily firefighting and rescue process. With the expansion of the rescue function of the fire brigade, its task of participating in earthquakes and building collapse and rescue has also been increasing. However, there are still some problems in the application of the life detector in the fire brigade, which will adversely affect the future emergency rescue operations of the fire brigade. Mainly reflected in the following aspects: (1) Some troops did not have their own life detectors as required, or they did not consider their applicability and effectiveness during the purchase process. They blindly purchased and caused waste of resources. (2) Most of the life detectors are manufactured abroad and are commissioned by domestic agents to sell them. The parameters provided in product promotion have a large gap with the actual use, making it difficult for the fire brigade to obtain the actual technical parameters of the product. (3) At present, the basic squadron conducts a lot of training on conventional equipment, and there are few trainings on life detectors. Some officers and soldiers are not familiar with the operating procedures of these equipment, and fewer people can use it. (4) The newly deployed life detectors of the force are generally only operated by the manufacturer's technicians before they are put on trial and preparation. They do not have systematic training in use, maintenance and maintenance. As a result, these equipments cannot be repaired in time if they fail. Actually. 2 . 2 improvement measures According to the latest "Standard for the Construction of Urban Fire Stations", the standards for the surveillance equipment of special service fire stations, audio, video and radar life detection (1) Equipped with corresponding life detectors in strict accordance with the standards, each corps or detachment may set up a “think tank†that specializes in the purchase of equipment. It will quantify the purchase of life detectors according to their own circumstances, and will ensure that they are effective. Sex and practicality. (2) Arrange concrete personnel to strengthen the classification and management of life detectors and other equipment. Pay attention to maintenance at ordinary times, clearly understand the problems that should be noted in the manual, and leave the manufacturer's contact information at the time of purchase so that problems can be promptly passed. The maintenance of professionals does not affect the preparations for duty. (3) Regularly organize grassroots officers and soldiers to familiarize themselves with the life detectors of this team, make full use of the various squadron's various house facilities to simulate actual drills, and use them skillfully; organize corresponding equipment and equipment to coordinate and coordinate training to suit different rescue environments. Efficiency, and thus can play the best performance of the life detector in actual combat. (4) After equipped with life detectors, the factory technicians are required to perform detailed operation demonstrations and explanations, accurately grasp some important parameters, clearly understand their advantages and disadvantages, and establish a set of systematic and targeted methods in accordance with the local actual conditions. The use, maintenance and maintenance measures to lay a solid foundation for actual combat. 3 Research on Application Technology of Radar Life Detector In the actual disaster scene rescue process, when a search target is found, multiple search devices are used together. The order of use is generally to use search and rescue dogs to find the approximate position of the survivors in the rubble, and then use an audio life detector to detect and monitor. Finally, use a video detector to transfer pictures in real time to understand the situation within the rubble and rescue them. According to the actual combat effectiveness of Wenchuan and Yushu earthquakes, radar life detectors have strong penetrating power and are little affected by the rescue environment, which has great advantages. The newly revised "Standard for the Construction of Urban Fire Stations" also states that radar life detectors should be given priority. The following focuses on the research on the detection technology of radar life detectors so that they can better exert their effectiveness in the future and improve the efficiency of firefighting troops in disaster accidents. United States Radford radar life detector, for example, the use of ultra-wideband radar technology, spectral components of the radiation signal mainly on strong penetrating power band, has a strong advantage in penetrating probe, the electromagnetic waves emitted by the radar Penetration detection of the ruins within 15 meters, accurately detect the trapped people under the rubble. When placed horizontally, the detection range of the radar life detection in the vertical direction is 60 degrees . The cone region, as shown in Fig. 1 , has a maximum detection depth of 15m , and the maximum detectable area is the cone bottom area of ​​approximately 235m2 , corresponding to a detected cone volume of approximately 1177m3 . Similarly, when the radar life detector is placed vertically, its detection area remains unchanged, and the maximum detection distance is 15m . The detectable horizontal detection area is the sector area m2 . The detected cone volume is approximately 1177. m . At the scene of disaster relief, the location of the detector should be reasonably placed in accordance with the size of the collapsed site of the building combined with the detection range of the radar life detector. For example, when the collapsed ruins are relatively high and exceed the detection range, trapped persons buried under the rubble may not be able to detect it. Therefore, the radar life detector should be set up vertically from the surroundings to search for trapped persons horizontally; if the disaster site is very large, Large, can be detected in multiple directions. The scale of the disaster site can be determined by on-site measurement or visual inspection, and the area or volume of the disaster site can be estimated. The probe should include as many areas as possible that have not been detected at one time. Tags that have already been detected should be marked to avoid duplication. Detection. In this way, more disaster areas can be detected in the shortest period of time, so as to increase the efficiency of disaster scene rescue, and to secure the most precious golden time for the rescued trapped people. 4 conclusions (1) Through the systematic analysis and comparison of the commonly used life detectors in the current firefighting force, the advantages and disadvantages of various types of life detectors and applicable places are summarized. (2) Analyze the existing problems in the actual use of the firefighting unit life detector and propose corresponding improvement measures. (3) A comparatively in-depth study of the application technology of the more advanced radar life detectors has been conducted. By calculating the detection area and volume, and analyzing the applicability of the rescue site conditions, the practicality of the life detectors in the fire brigade will be improved. Has a certain reference significance. The information in this article comes from China's public security and was reorganized and edited by China Rescue Equipment Network. Polyester Webbing Sling,Flat Webbing Sling,Polyester Sling,Synthetic Web Slings Guangdong Gongyou Lift Slings Machinery CO.,LTD , https://www.wmpallettruck.com
