Wireless vibration detecting and warning system

A wireless vibration and alarm system technology, which is applied to vibration measurement, alarm, and vibration measurement in solids, can solve the problems of difficult to adapt to harsh field environments, high maintenance costs, and easy damage, and overcome the difficulty of wiring , large network capacity and wide coverage

Inactive Publication Date: 2008-07-16
徐承东
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Problems solved by technology

[0003] However, the current commercially available vibration detection systems have difficulty in wiring, high maintenance costs, low concealment, and are easily damaged, making it difficult to adapt to harsh field environments.

Method used

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Embodiment Construction

[0016] The wireless vibration detection and alarm system shown in Figure 1-2 includes a wireless vibration detection node, a USB gateway node, and a 485 gateway node. The wireless vibration detection node includes a vibration signal detector, an RC filter, an A / D signal sampling module, alarm signal processing module, radio frequency control module 1, radio frequency transceiver 1, described vibration signal detector preferably adopts vibration accelerometer, guarantees the sensitivity to vibration signal detection, described alarm signal processing module is also connected There is a local alarm, and the wireless vibration detection node is specifically implemented in the following manner: the vibration signal detector U1 detects vibrations in the three directions of X, Y, and Z and sends the collected analog signals to the R1 and C1 respectively. , R2, C2, R3, and C3 form the RC filter, and send the filtered analog signal to ADC1, ADC2 and ADC3 of the U2 processor for 10-bit...

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Abstract

The invention discloses a wireless vibration and detection alarm system, which comprises a wireless vibration and detection node and a 485 gateway node. The wireless vibration and detection node comprises a vibration signal detector, a RC filter, an A/D signal sampling module, an alarm signal processing module, a radio frequency control module I, and a radio frequency transceiver I, which are connected together in turn. The alarm signal processing module is also connected with a local alarm. The 485 gateway node comprises a radio frequency transceiver II, a radio frequency control module II, a serial data communication module II, a 485 drive circuit, and a 485 interface, which are connected together in turn. The radio frequency transceiver I is wirelessly connected with the radio frequency transceiver II, thereby realizing wireless signal communication between the wireless vibration and detection node and the 485 gateway node. The invention has the advantages that: the advanced wireless sensor network technology and the intelligent routing algorithm are adopted to realize automatic networking and remote control without special setups; a full duplex multi-hop routing mode is adopted in the data communication, thereby bringing about a large network capacity and a large covering surface; the invention overcomes the defects of great difficulty in system wiring, high maintenance cost, poor invisibility, vulnerability to damage, etc. in the prior detection system, thereby being adapted to harsh field environment.

Description

technical field [0001] The present invention relates to a technical field of safety precautions, specifically a vibration detection and alarm system that detects vibration shock signals to perform an intrusion anti-theft alarm, more specifically, a wireless sensor network technology is applied to detect vibration shock signals to perform Wireless vibration detection alarm system for intrusion burglar alarm. Background technique [0002] In recent years, with the development of my country's economy, people's quality of life has been continuously improved, and the accumulation of social wealth has reached a considerable level. Theft of national and personal property is on the rise. Cases of theft of banks, treasuries, museums, ancient tombs, guns and ammunition depots, personal residences, etc. occur from time to time, which brings great harm to the safety of national and personal property. Harm, although camera monitors are installed in some areas that need security protecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B13/02G08B25/10G01H1/00G01P15/00
Inventor 徐承东孙跃林呼明应绍栋
Owner 徐承东
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