Sensor energy supply device for long-term structure monitoring

A technology of energy supply and sensors, applied in the direction of energy storage, renewable energy integration, piezoelectric effect/electrostrictive or magnetostrictive motors, etc., can solve the problem of continuous energy supply, reduce the occupied space, improve Energy collection and utilization efficiency, beneficial to the effect of long-term monitoring

Inactive Publication Date: 2015-11-11
DALIAN UNIV OF TECH
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  • Description
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to carry out permanent monitoring to the building structure, and the key point is to solve the problem of how to continuously supply energy

Method used

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  • Sensor energy supply device for long-term structure monitoring
  • Sensor energy supply device for long-term structure monitoring
  • Sensor energy supply device for long-term structure monitoring

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Embodiment Construction

[0016] The specific embodiments of the present invention will be described in detail below in conjunction with the technical solutions and accompanying drawings.

[0017] A sensor energy supply device for long-term monitoring of structures, mainly composed of solar panels 1, horizontal piezoelectric rods 3, vertical piezoelectric rods 4, permanent magnets 7, springs 11, coil windings 8, energy collection and power regulation circuits 14 , battery 15, etc.; the back side of the solar panel 2 is connected to the horizontal piezoelectric rod 3, and the solar panel front 1 forms an angle of 45 degrees with the upper surface of the horizontal piezoelectric rod 3, and the angle with the side surface of the horizontal piezoelectric rod 3 is less than 90 degrees.

[0018] The four horizontal piezoelectric rods 3 and the vertical piezoelectric rods 4 are fixedly welded to the welding node ball 5; the horizontal piezoelectric rods 3 are composed of an intermediate metal layer 17 and two ...

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Abstract

The invention provides a sensor energy supply device for long-term structure monitoring, and belongs to the field of civil engineering structure monitoring. A solar panel, a piezoelectric bar, a permanent magnet and other components are used to constitute a power supply device. Solar energy, wind energy, environment vibration and other forms of energy are collected and stored based on the principle of photovoltaic power supply, the principle of piezoelectric power supply and the principle of electromagnetic induction power supply (including the principle of wind power generation). Thus, the sensor energy supply device adapts to energy collection in all kinds of outside natural environments, sufficient energy reserve is ensured, the purpose of lasting power supply is achieved, and long-term building structure monitoring is facilitated. The solar panel not only can collect solar energy, but also can be used as the lumped mass of a blade for wind power generation and the bar end of the piezoelectric bar. Therefore, the device occupies a smaller space, and the utilization efficiency of energy acquisition is improved.

Description

technical field [0001] The invention belongs to the field of building structure monitoring and relates to a device for supplying energy to a sensor by using solar energy, wind energy and vibration mechanical energy. Background technique [0002] During the long-term operation of civil engineering buildings, under the comprehensive action of various external loads such as wind loads, environmental erosion, and artificial loads, the buildings will be damaged to a certain extent. If these damages are not discovered in time, the accumulated damage will be reduced. The ability of a building to resist external loads, which will affect the safe operation of the building. In order to evaluate the health status of buildings, health monitoring of buildings is required. [0003] The traditional health monitoring method is to use wired sensors, and use cables to transmit the data information of the sensors to the data receiving base station. However, the cables of wired sensors have a...

Claims

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Application Information

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IPC IPC(8): H02N2/18H02S10/12H02S10/20
CPCY02B10/10Y02E10/50Y02E70/30
Inventor 曲春绪伊廷华李宏男
Owner DALIAN UNIV OF TECH
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