Design of smart home security system based on wireless sensor network

A wireless sensor and smart home technology, applied in network topology, wireless communication, home automation network, etc., can solve the problems of inconvenient disarming of the security system, slow picture transmission speed, and high difficulty of false alarms, and achieve a perfect response mechanism and strong reliability High scalability and high reliability

Pending Publication Date: 2017-12-15
QUZHOU UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although my country's home security products began to enter the market 10 years ago, and the price of the security alarm host has been as low as several hundred yuan, it is still unable to open up this market with huge potential. There are four main reasons: one is the system False alarms are the most important reason why the security system cannot enter ordinary homes. The average user cannot accept a false alarm within 3 months, but it is really very difficult for an electronic product to achieve no false alarms. The innovation of security technology is needed; the second is that it is inconvenient to disarm the security system. If there are peo

Method used

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  • Design of smart home security system based on wireless sensor network
  • Design of smart home security system based on wireless sensor network
  • Design of smart home security system based on wireless sensor network

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Embodiment 1

[0040] Such as Figure 1-4 As shown, in the embodiment of the present invention, a kind of smart home security system design based on the wireless sensor network includes a home gateway and a Zigbee wireless sensor network, and the Zigbee wireless sensor network is mainly composed of sensor nodes, router nodes, coordinator nodes and several Composition of security executive agencies. The coordinator node is connected to several router nodes, and each router node is connected to two sensor nodes, and one of the sensor nodes connected to each router node is connected to a security actuator; the coordinator node is connected to the home gateway signal, and the home The gateway is connected to the client monitoring PC through the Internet, and the home user's mobile phone is connected to the home gateway through the GSM network.

[0041] The security actuator is at the bottom and is controlled by the sensor nodes, and is responsible for solving various security problems. For exam...

Embodiment 2

[0047] There are three network topologies in the Zigbee wireless sensor network, namely star topology, cluster tree topology and mesh topology.

[0048] This project mainly considers the following points for the choice of home network topology:

[0049] 1. The location of each monitoring point and execution structure within the home network is easy to change, and the location of the home control center is uncertain, so considering that data may need to be routed from sensor nodes to the control center, cluster tree networks and mesh networks can be selected .

[0050] 2. The distance between rooms in modern homes is relatively large, and this design is based on tests between two adjacent laboratories. There is a space between rooms with spacers. Zigbee nodes work in the 2.4Ghz frequency band, and their signal The penetration is not very strong, and the packet loss rate of data reception is high after the room is separated. A router is needed to route the data. Cluster tree ne...

Embodiment 3

[0056] The present invention adopts the configuration Kingview (Kingview) developed by Beijing Yakong Company as the development tool of the visual upper computer monitoring and management platform, and develops a similar Figure 4 The human-computer interaction interface shown in the figure achieves the purpose of real-time dynamic monitoring of the home environment. The configuration software provides a resource-management-style operation interface, which is flexible and convenient, and the supported hardware is the mainstream and equipment of large well-known companies, including Omron, Toshiba, Hitachi, B&R, Emerson, Panasonic and other manufacturers. Various PLC series, intelligent module series, intelligent instrument series, board card series, inverter series, etc., and the device drivers supported by it are very rich. KingView has strong communication functions, and provides script language support with Chinese characters as keywords, which is easy to learn and use.

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Abstract

Disclosed is a design of a smart home security system based on a wireless sensor network. The system comprises a home gateway and the wireless sensor network, and the wireless sensor network is mainly composed of sensor nodes, a plurality of router nodes, a coordinator node and a security execution mechanism; the coordinator node is connected with the router nodes, the router nodes are connected with the sensor nodes, and the sensor nodes are connected with the security execution mechanism; the coordinator node is in signal connection with the home gateway; the security execution mechanism is located at the lowest layer, controlled by the sensor nodes and responsible for solving various security problems; the sensor nodes are responsible for collecting and transmitting security sensor data and controlling the action of the security execution mechanism; the coordinator node is located at the top layer of the wireless sensor network and is responsible for the establishment and management of the whole network; the home gateway is a monitoring center of the whole home network and can be used for observing the running conditions of the whole network and alarm signals in real time and interacting with a remote client side through the network.

Description

technical field [0001] The invention relates to the field of smart home, in particular to a design of a smart home security system based on a wireless sensor network. Background technique [0002] The United States first began to conduct research in the field of smart home and designed and exhibited the first smart building in 1984, which opened up a precedent in the field of smart home, and then all economically developed countries have proposed their own smart home design. Among them, Germany, South Korea, Japan, Singapore and other countries have developed rapidly and have a high degree of popularity. After the "911" terrorist incident, the vigorous development of the global security industry has promoted the development of the entire smart home security industry. Smart security systems have quickly entered people's lives. Major security companies around the world have also launched their own advanced security products. Among them, Honeywell, which has always been in the...

Claims

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Application Information

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IPC IPC(8): G08B19/00G08B25/10G08B25/08H04L12/28H04W84/18
CPCH04L12/2803H04W84/18G08B19/00G08B25/08G08B25/10
Inventor 柴国飞厉国华王海伦许大星
Owner QUZHOU UNIV
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