Portable camping intrusion detection system
An intrusion detection system and campsite technology, which is applied in the field of security technology and wireless sensor network, can solve the problems of personal property loss, difficult arrangement, difficult to carry, etc., and achieve the effect of being easy to use for a long time, easy to carry around, and small in size
Inactive Publication Date: 2013-06-19
JIANGNAN UNIV
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Problems solved by technology
In the campsite, when people are resting at night, the sudden invasion of criminals is not easy to be detected, which can easily cause huge losses of personal property
However, the traditional anti-intrusion detection system has disadvantages such as difficult layout, complex structure, high cost, and not easy to carry.
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[0015] The present invention will be further described below in conjunction with accompanying drawing:
[0016] (1) Arrange the detection and sending device points around the campsite according to the system layout diagram. Turn on the power, the zigbee network automatically forms a network and calculates the azimuth and distance information.
[0017] (2) When someone invades, the pyroelectric infrared sensor can detect the situation. The sensor outputs a switching signal to the zigbee node. Then the zigbee node sends a signal to the signal receiving alarm device.
[0018] (3) The zigbee coordinator node in the signal receiving alarm device can calculate the orientation of the alarm node and output it on the display screen, and send out an alarm sound or vibration alarm to remind the campers. When connected to a PC, it can alarm in the form of an image on the network topology map displayed in real time on the supporting software interface on the PC.
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The invention relates to security and protection technology and wireless sensor network technology, in particular to a portable camping intrusion detection system which combines wireless sensor network typical technology, namely ZigBee technology, with pyroelectric infrared sensor and electronic compass technology. In a camping ground, a user arranges a detection sending device at any place around the camping ground, when intruders are detected by the pyroelectric infrared sensor, the sensor sends a switch signal to a zigbee node, the zigbee node sends the signal to a signal receiving and alarm device, the receiving and alarm device works out position of alarm node, outputs the position on a hand-held terminal display screen and gives out sounds or vibrates to warn campers. When the hand-held terminal is connected with a personal computer (PC), bundled software mounted on the PC displays real-time network topological graph on an interface and warns the user in image form on the topological graph.
Description
technical field [0001] The present invention relates to security technology and wireless sensor network technology, specifically relates to the combination of ZigBee technology, a typical wireless sensor network technology, pyroelectric infrared sensor and electronic compass, to design a portable anti-intrusion detection system for campsites . Background technique [0002] Pyroelectric infrared sensor. The temperature of the human body is generally 37 degrees, so it emits infrared rays with a wavelength of about 10um. Passive pyroelectric infrared sensors can detect infrared rays around 10um. Therefore, the infrared rays emitted by the human body will be received by the infrared probe. In order to improve the detection sensitivity of the detector and increase the detection distance, a Fresnel lens is generally installed in front of the pyroelectric infrared sensor. The lens is made of transparent plastic, and the upper and lower parts of the lens are divided into several ...
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IPC IPC(8): G08B13/19G08B25/10
Inventor 彭力冯伟张佳宇赵山
Owner JIANGNAN UNIV