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System for accurately positioning and evacuating people trapped in high-rise buildings based on Internet of Things technology

It is an Internet of Things technology and a technology for trapped people. It is applied in the direction of location information-based services, positioning, and transmission systems. It can solve the problems of low positioning and tracking accuracy, and achieve low power consumption, high scalability, and low transmission rate. Effect

Active Publication Date: 2013-06-12
韩成浩
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Problems solved by technology

However, the positioning and tracking accuracy is not high due to reasons such as card reading orientation and tilt angle, and many key technologies need to be solved and improved.

Method used

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  • System for accurately positioning and evacuating people trapped in high-rise buildings based on Internet of Things technology
  • System for accurately positioning and evacuating people trapped in high-rise buildings based on Internet of Things technology
  • System for accurately positioning and evacuating people trapped in high-rise buildings based on Internet of Things technology

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Embodiment Construction

[0027] The system design mainly considers the positioning accuracy, tracking speed, real-time performance and safety of the trapped persons. The design scheme mainly includes positioning nodes (all personnel in high-rise buildings need to carry them), reference nodes (arranged in corridors and studios in the building, etc.), gateways (one or more on each floor), control center and communication between modules Network (Zig Bee communication network and CAN bus communication network). The system works as follows:

[0028] When an emergency occurs, the positioning node calculates its own specific position according to the fixed coordinate value (its coordinate value is known) and the average value of RSSI (received signal strength) provided by the reference node, and sends the coordinate The value, the identification number of each positioning node and the physiological characteristics (mainly body temperature and pulse) of the positioning node (that is, the trapped person) are...

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Abstract

A system for accurately positioning and evacuating people trapped in high-rise buildings based on an Internet of Things technology belongs to the field of public security facilities. The system comprises a positioning node and the like, wherein a temperature sensor is connected with a chip in a bidirectional information transmission way, a piezoelectric sensor is connected with the chip by a signal processing circuit and a frequency multiplier circuit, a liquid crystal display is connected with the chip, and the positioning node is connected with a gateway by a wireless sensing network; the temperature sensor is connected with the chip in a bidirectional information transmission way, an ion smoke sensor is connected with the chip and transmits the information to the chip, the liquid crystal display is connected with the chip, and a reference node is connected with the gateway by the wireless sensing network; and an input keypad is connected with the chip, the liquid crystal display is connected with the chip, an interface is connected with the chip in a bidirectional information transmission way, and the gateway is connected with a control center server through bus communication. The system has the advantages that the people trapped in the high-rise buildings are accurately positioned, tracked and evacuated, escape path planning and search and rescue strategies are optimized, and the specific position and the dynamic information of the people can also be displayed in real time.

Description

technical field [0001] The invention belongs to the field of public safety facilities, and in particular relates to a complete set of public safety facilities constructed by utilizing the core technology of the Internet of Things—Zig Bee wireless sensing technology and CAN bus technology, so as to realize accurate positioning, tracking and guidance of people trapped in high-rise buildings. Background technique [0002] High-rise buildings have the characteristics of relatively concentrated population and small footprint, and are one of the preferred solutions for many real estate developers and owners. As of 2009, there were nearly 100,000 high-rise buildings in my country, including 1,154 super high-rise buildings above 100 meters. In the next three years, on average, a skyscraper will be topped out in China every five days. At the same time, my country is still planning more than 300 skyscrapers. If all goes well, the total number of skyscrapers in my country will exceed ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04W4/02H04W84/18G01S5/02
Inventor 韩成浩陈伟利贾雪魏立明于杰王锐刘伟姜宇红
Owner 韩成浩
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