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Long-term automatic online cable force monitoring system based on vibration method

A technology of monitoring system and vibration method, which is applied in the direction of tension measurement, force/torque/power measuring instrument, measuring device, etc., to achieve the effect of reducing investment

Pending Publication Date: 2017-05-03
JIANGXI FASHION TECH
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AI Technical Summary

Problems solved by technology

[0003] In order to solve the defects and insufficiencies of traditional manual detection and current online monitoring, and improve the current problems faced by online monitoring of cable force by vibration method, the present invention provides a long-term automatic cable force online monitoring system based on vibration method. When the perfect vibration waveform cannot be excited, it can be compensated by the vibration excitation method of hitting, so that a better excitation waveform can be obtained, which is convenient for accurate analysis of the real cable force

Method used

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  • Long-term automatic online cable force monitoring system based on vibration method
  • Long-term automatic online cable force monitoring system based on vibration method

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Embodiment Construction

[0016] Further illustrate the present invention below in conjunction with accompanying drawing.

[0017] The connection topology diagram of a long-term automatic cable force online monitoring system based on the vibration method is as follows figure 1 As shown, the installation steps are as follows:

[0018] Fix the sensing module 6 with the cable under test by means of a hoop, and note that the installation position of the sensing module is 1 meter to 1.5 meters away from the fixed point at the lower end of the cable. The sensing module 6 includes: a hammer 1 , a relay 2 , and a vibration sensor 3 , and the relay 2 controls the hammer 1 .

[0019] Connect the signal cable of the sensing module 6 to the signal input end of the vibration collector 4 .

[0020] The 232 signal lines output by the vibration collector 4 are connected with the wireless data transmission module 5 .

[0021] Provide power to the vibration collector 4 and the wireless data transmission terminal 5. ...

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Abstract

The invention relates to a long-term automatic cable force monitoring system based on a vibration method. The system comprises a vibration sensor, a knocking device for knocking an inhaul cable, a vibration collector and a control platform; the vibration sensor is connected with the vibration collector; the control platform is connected with the vibration collector and the knocking device; and the control platform controls collection time of the vibration collector and controls work of the knocking device. The system can test the practical cable force in a better way by means of excitation of a reliable outside force, and the problem that the cable force frequency cannot be excited by the wind speed at present is solved.

Description

technical field [0001] The invention relates to a cable monitoring device, which is mainly used in the field of on-line monitoring of cable force, in particular for cable force monitoring of bridge cables and steel structure cables of gymnasiums. Background technique [0002] Existing technology at present: At present, the traditional vibration method for cable force measurement is mainly based on manual detection. This detection method mainly has the following defects: 1. There are few data samples. 2. The cable force value is changing from time to time, which cannot be reflected by the curve. 3. The frequency collected by the vibration method needs to be manually converted to obtain an effective force value. This process wastes a lot of time and manpower. 4. It is impossible to monitor the change of the cable force value for a long time. With the development of science and technology, at present, a small amount of cable force measurement by vibration method has achieved ...

Claims

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Application Information

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IPC IPC(8): G01L5/04
CPCG01L5/042
Inventor 付喜光金亮谢镇
Owner JIANGXI FASHION TECH
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