The application of handheld terminal in fire safety accident

1. RFID technology application background

  In today's rapid development of information technology, a new generation of information technology marked by the Internet of Things has become the hottest research object in the 21st century. However, in the Internet of Things industry, RFID radio frequency identification technology has also become one of the fastest growing technologies. With its unique advantages, RFID technology is widely used in logistics and warehousing, clothing retail, medical care, transportation, anti-counterfeiting, asset management, aviation manufacturing, intelligent buildings and other fields. RFID technology is a non-contact automatic identification technology. RFID technology can identify objects in high-speed motion and can read multiple tags at the same time, which is fast and convenient. Handheld terminal products with short-distance reading are not affected by harsh environments such as oil stains and dust, and can be better used in buildings.

2. Working principle of RFID handheld terminal

  The working principle of radio frequency technology of RFID handheld terminal: When the reading and writing device is ready to send relevant information, the main form is to transmit the encoded information through the carrier signal sent by one of the frequencies through the antenna and finally transmit it outwards. At this time, the electronic tag The pulse signal will be received in time, and the relevant components in the tag will decrypt and modulate the signal, and then transmit it to the reading and writing device by the antenna in the card after encryption and modulation and other steps, and then the reading and writing device will decode it. Finally, the signal is sent to the information system for related processing. At this time, the signal is displayed as a write command, and the content included in the EEPROM will be modified at this time. After judging that the password and authority are not correct, the wrong information will be returned.

3. Application of RFID handheld terminal in intelligent building fire detection system

  Nowadays, with the rapid development of economy and society, there are more and more high-rise buildings, and fire accidents often occur. According to the official news of the Fire Department of the Ministry of Public Security in China, in 2016, a total of 312,000 fires were reported nationwide, with 1,582 deaths and 1,065 injuries, and direct property losses as high as 3.72 billion yuan. Behind this horrific figure lies the issue of fire safety. Therefore, the fire safety of high-rise buildings has become a hot topic of concern for the whole people. How to better solve, control and reduce the occurrence of such accidents has become a common problem faced by everyone.

  In the early stage of a fire, it is difficult for firefighters to obtain the specific location of the fire, thus delaying the firefighting time. Nowadays, RFID technology is developing rapidly in China. In order to ensure the safety of people and property, RFID technology can be used in fire alarm detectors to give full play to its advantages and build a fire alarm with strong adaptability, high security, and faster and accurate data information. management system. The system deploys a positioning monitoring reader in the fire alarm detector in the building, which is used to identify the location information of the tag in the building, and monitor the monitoring situation of the fire alarm detector and whether it is faulty in real time. When a fault occurs, it can timely feedback to the fire monitoring center management system. In this way, the fire situation can be better detected and the time for firefighters to find the fire source can be saved. Reduce casualties and property damage.