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Catenary support loose intelligent monitoring device, on-line monitoring system and method thereof

An intelligent monitoring and catenary technology, applied in the field of subway tunnel engineering, can solve the problems of difficult construction and complicated installation methods, and achieve the effects of reducing construction costs, simple installation methods, and saving time and manpower

Active Publication Date: 2021-03-02
JIANGYIN ZHONGHE POWER METER
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

The installation method of this method is relatively complicated, and the installation position is unique, especially for the installation of the catenary support that is in use, there is great construction difficulty

Method used

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  • Catenary support loose intelligent monitoring device, on-line monitoring system and method thereof
  • Catenary support loose intelligent monitoring device, on-line monitoring system and method thereof
  • Catenary support loose intelligent monitoring device, on-line monitoring system and method thereof

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Embodiment Construction

[0038] The present invention will be further described below in combination with specific embodiments and accompanying drawings.

[0039] like figure 1 As shown, an online monitoring system for the looseness of subway catenary support is disclosed in the embodiment, which mainly includes a plurality of intelligent monitoring devices installed on the subway catenary support, transmission cables, and a host computer. The intelligent monitoring device is installed on the subway catenary support. , connected to the transmission cable bus in parallel through the transmission cable, and communicate with the host computer through the transmission cable bus.

[0040] to combine figure 2 As shown, the intelligent monitoring device includes a data acquisition unit, a data processing unit, a storage unit (also called a storage unit) and a signal input and output unit, which is equivalent to a new type of intelligent sensor.

[0041] The data acquisition unit mainly collects the accele...

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Abstract

The invention discloses an intelligent monitoring device for catenary support looseness, which includes a data acquisition unit, a data processing unit, a storage unit and a signal input and output unit. Record the initial three-axis angle and vibration characteristic value and the preset angle difference threshold and vibration characteristic value difference threshold; the data processing unit analyzes and processes the collected three-axis acceleration value, and converts the obtained real-time three-axis angle and real-time The difference between the characteristic value of the vibration quantity and the initial value is compared with the threshold value of the angle difference and the threshold value of the characteristic value difference of the vibration quantity, and an output signal reflecting the looseness of the monitored catenary support is obtained. On the basis of this, the invention also discloses an on-line monitoring system and method for the looseness of catenary support. Through the invention, accurate judgment on the looseness of a catenary support can be realized, and construction difficulty and construction cost can be reduced.

Description

technical field [0001] The invention belongs to the technical field of subway tunnel engineering, and in particular relates to an intelligent monitoring device, an online monitoring system and a method thereof for on-line monitoring of the looseness of subway rigid catenary supports. Background technique [0002] Under the double action of the vibration caused by the long-term reciprocating operation of the train and the piston wind of the train, the installation and fastening of the bracket carrying the high-voltage catenary has a great risk of loosening and failure. At this stage, the conventional catenary supports are densely arranged and the distance is long. There is no effective online monitoring method for the looseness of the mounting brackets. Generally, manual regular inspections are used to judge whether there is displacement based on the relative positions of the marks. The inspection efficiency is low and it is easy to miss. [0003] The invention patent applica...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/08G01R31/52
CPCG01R31/08G01R31/50
Inventor 张建春徐楚秦法涛
Owner JIANGYIN ZHONGHE POWER METER
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