Passive wireless sensing device

A technology of sensing devices and wireless transceivers, which is applied in signal transmission systems, instruments, anti-theft alarm mechanical start-ups, etc., can solve problems such as the movement of glass breaking sensing devices and the inability to monitor wireless passive sensing devices, and achieve functional expansion Effect

Inactive Publication Date: 2010-08-18
SHENZHEN LUMIUNITED TECH CO LTD
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  • Abstract
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Problems solved by technology

[0007] The purpose of the present invention is to provide a passive wireless sensing device, which aims to solve the problem that the wireless passive sensing device provided by the prior art cannot monitor broken glass and monitor whether the sensing device itself is moved

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Embodiment Construction

[0014] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0015] In the embodiment of the present invention, the vibration / displacement / tilt sensor is integrated with the passive wireless sensing device, which can monitor the breaking of glass, the vibration of building equipment such as doors, windows or chairs, and whether the sensing device itself is moved, so that Functionality has been expanded.

[0016] figure 1 The structural block diagram of the passive wireless sensing device provided for the first embodiment of the present invention, for the convenience of description, only shows the relevant parts of the embodiment of the present invention. I...

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Abstract

The invention is applicable to the field of the passive and wireless technology, and provides a passive wireless sensing device, which comprises a reed switch, a microcontroller, an energy management control unit, a wireless transceiver, a photovoltaic energy collector and an energy storage unit. The energy storage unit is connected with the energy management control unit, and the photovoltaic energy collector is also connected with the energy management control unit. The device also comprises a vibration / displacement / inclination sensor which is connected with the microcontroller and is used for monitoring whether glass is broken, whether building equipment vibrates and whether the sensing device is moved. The wireless transceiver is used for receiving and transmitting signals sent by the vibration / displacement / inclination sensor through the microcontroller. The invention can be used for monitoring the breakage of the glass, the vibration of the building equipment such as doors, window and the like and the movement of the sensing device, and the functions of the invention are broadened.

Description

technical field [0001] The invention belongs to the field of passive wireless technology, in particular to a passive wireless sensing device. Background technique [0002] Door and window sensors are an integral part of building automation or smart building technology. Traditional building sensors use reed switches (REED RELAY) to monitor the opening / closing status of doors and windows, and transmit signals through wires or wirelessly. This kind of sensor is also called window magnetism. [0003] The EnOcean door and window sensor STM250 based on energy harvesting technology uses solar photovoltaics (energy harvesters to supply power, and uses wireless transmitters for communication, thereby realizing passive wireless. This is a revolutionary progress in window magnetic technology. important role in control. [0004] However, the role of (such) market sensors in security monitoring is very limited at present. The most obvious flaws are: [0005] 1. It cannot monitor the ...

Claims

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Application Information

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IPC IPC(8): G08B13/02G08B13/04G08B13/08G08C17/02
Inventor 伍玻
Owner SHENZHEN LUMIUNITED TECH CO LTD
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