Sensing device of disassembly of fastener and sensing method

The technology of a sensing device and sensing method, applied in the field of sensing, can solve problems such as prone to collapse, casualties, theft and tower damage, and achieve the effects of good environmental adaptability, high reliability, and strong real-time performance

Inactive Publication Date: 2009-12-16
中科院无锡高新微纳传感网工程技术研发中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the continuous rise of raw material prices, the theft of tower brackets is becoming more and more serious
When the bracket of the tower is stolen, due to the change of the stress structure of the tower, it is prone to collapse accidents, resulting in service interruption, casualties and other extremely bad economic and social impacts
The more anti-theft measures used today are to use special anti-theft screws at the lower level of the tower. Due to the single anti-theft measures, it cannot solve the problem that the thief climbs along the tower to the position where the anti-theft screws are not installed. The problem of removing the anti-theft screws and even using a saw to damage the tower because the screws cannot be removed
After the asset is damaged, due to the lack of the necessary alarm mechanism, the relevant departments do not know after the asset is damaged; or after receiving the alarm, due to the incomplete information, it is impossible to accurately locate the damaged location, and cannot promptly respond to the damage assets for maintenance, resulting in further consequential economic losses

Method used

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  • Sensing device of disassembly of fastener and sensing method
  • Sensing device of disassembly of fastener and sensing method
  • Sensing device of disassembly of fastener and sensing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] This embodiment is a fastener removal sensing device, wherein the fastener includes a first element and a second element; the second element cooperates with the first element to play a fixing role.

[0034] The fastener removal sensing device is used to sense whether the fastener is disassembled, including an induction unit and a sending unit arranged on the first element; the induction unit is used to sense the displacement of the second element or the second unit and the Whether the relative displacement of the first unit changes; the sending unit is used to send out the abnormal information sensed by the sensing unit.

[0035] The fastener disassembly sensing device includes a power supply; the sending unit includes a radio frequency circuit and a control circuit; the radio frequency circuit is used to send disassembly information of the fastener; the control circuit is connected to the radio frequency circuit through the SPI bus to control Sending of fastener disass...

Embodiment 2

[0044] The difference between this embodiment and embodiment one is as figure 1 As shown, the first element is a fastener nut 11 , the second element is a fastener washer 12 , and the fastener further includes a third element which is a fastener screw 13 .

[0045]The fastener washer 12 is a magnetic washer. The fastener nut 11 is provided with a sensor, a control circuit, a radio frequency circuit and a power supply; the radio frequency circuit is used to send disassembly information of the fastener; the control circuit is connected to the radio frequency circuit through the SPI bus to control Sending of fastener removal information; the sensor is used to sense the position of the fastener gasket 2 to determine whether the fastener has been removed, and to control the power supply of the control circuit and the radio frequency circuit. The fastener washer 2 is a magnetic element. The sensor is a magnetic sensitive switch. The radio frequency circuit includes a radio freque...

Embodiment 3

[0053] The difference between this embodiment and the previous embodiment is as figure 2 As shown, the first element is a nut, the second element is a screw 21, the induction unit 22 is arranged in the nut, the induction unit 22 is provided with a switch 23, and the switch 23 is screwed into the nut by the screw 21 When pressed by the screw 21, the internal circuit of the induction unit 22 is disconnected.

[0054] One side of the sensing unit 22 is connected with an elastic unit 25 , and the elastic unit 25 is used to adjust the distance between the nut and the screw 21 to ensure the closing pressure of the screw 21 on the switch 23 . The nut is a nut shell 24 with one end sealed. The sensing unit 22 is a photosensitive switch or a pressure sensitive switch.

[0055] The working process of this embodiment is: when the screw 21 is screwed into the nut shell 24, the screw 21 presses the switch 23, so that all the circuits inside the sensing unit 22 are disconnected and do no...

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PUM

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Abstract

The invention discloses a sensing device of disassembly of a fastener, comprising a first element and a second element; the matching of the first element and the second element plays a role of fixing; the sensing device of disassembly of the fastener is used for sensing whether the fastener is disassembled and comprises a sensing unit arranged on the first element and a sending unit; the sensing unit is used for sensing whether the displacement of the second element or the relative displacement of the second unit and the first unit is happened; and the sending unit is used for sending out abnormal information sensed by the sensing unit. The sensing device of disassembly of the fastener realizes the function of providing accurate positioning and abnormal information of the fastener for the remote security protection monitoring center, has low cost, high reliability, strong real-time and good environmental adaptation and provides an effective monitoring means for security protection of key properties of communication towers, power transmission line towers and the like.

Description

technical field [0001] The invention relates to the field of sensing technology, and relates to a fastener disassembly sensing device and sensing method. Background technique [0002] With the rapid development of today's power grid and mobile communication network, how to take all-round precautions against the towers deployed outside is very important to ensure the reliability of network operation. And along with the continuous rise of raw material price, the phenomenon of theft of the tower bracket becomes more and more serious. When the bracket of the tower is stolen, due to the change of the stress structure of the tower, it is prone to collapse accidents, resulting in service interruption, casualties and other extremely bad economic and social impacts. The more anti-theft measures used today are to use special anti-theft screws at the lower level of the tower. Due to the single anti-theft measures, it cannot solve the problem that the thief climbs along the tower to th...

Claims

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Application Information

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IPC IPC(8): G01D21/00G08B13/02G08B13/24
Inventor 郭峰郑春雷梁志强刘海涛
Owner 中科院无锡高新微纳传感网工程技术研发中心
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