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pccp steel wire broken wire detection host

A steel wire and host technology, applied in the field of concrete, to achieve better detection effect, suppress useless noise, and improve the detection signal-to-noise ratio.

Active Publication Date: 2017-05-03
SUZHOU CONCRETE CEMENT PROD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is how to extract the required far-field eddy current signal from the strong noise

Method used

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  • pccp steel wire broken wire detection host
  • pccp steel wire broken wire detection host
  • pccp steel wire broken wire detection host

Examples

Experimental program
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Effect test

Embodiment Construction

[0036] The following will combine Figure 1 to Figure 8 The PCCP steel wire broken wire detection host provided by the present invention and the detection system using the host are described in detail. It is an optional embodiment of the present invention. It can be considered that those skilled in the art will not change the spirit and content of the present invention. It can be modified and polished within the scope.

[0037] This embodiment provides a PCCP wire broken wire detection system, please refer to figure 2 and image 3 , comprising a main control computer, a detection host, a receiving probe, a transmitting probe, a car body and a distance measuring wheel, the main control computer, a detection host, a receiving probe, a transmitting probe and a distance measuring wheel are all arranged on the vehicle body and The car body travels together, and the receiving probe, transmitting probe, distance measuring wheel and main control computer are all connected to the de...

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Abstract

The invention provides a PCCP steel wire broken wire detection host, at least including a transmitter, a receiver and a data acquisition card, the data acquisition card is connected to the receiver, and the transmitter is used to generate an AC signal and output To an external transmitting probe and a main control computer; the receiver is used to receive the synchronous reference voltage signal and the test voltage signal induced in an external receiving probe; in response to the signal of the data acquisition card, the synchronous The reference voltage signal and the test voltage signal are processed and transmitted to the data acquisition card; the data acquisition card is used to be triggered by the pulse signal of an external distance measuring wheel, collect the signal transmitted by the receiver after processing, and Upload to the main control computer; wherein, the receiver includes a lock-in amplifier, and the test voltage signal and synchronous reference voltage signal induced by the receiving coil are respectively input to the data acquisition card after passing through the lock-in amplifier.

Description

technical field [0001] The invention relates to the concrete field, in particular to a PCCP steel wire broken wire detection host. Background technique [0002] PCCP pipe (Prestressed Concrete Cylinder Pipe) is the abbreviation of prestressed concrete pipe with steel cylinder. It is a large-diameter and high-pressure pipe widely used in the world. Prestressed steel wire (diameter) and cement mortar protective layer outside the steel wire, such as figure 1 shown. The two ends of the pipe are respectively welded with a steel socket ring and a socket ring, and the flexible joint of the pipe is sealed with a sliding rubber ring. In the working state, the thin steel cylinder embedded in the pipe wall has anti-seepage function, and the prestressed steel wire wound outside the pipe core and the concrete wall of the pipe core bear the internal water pressure and external load of the pipe, so the PCCP pipe is a A pipe type that combines the advantages of steel pipes and ordinary p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/90G01N27/9093
Inventor 田华彭正辉徐进王春和朱今祥吴燕民钱明吴国芳于符静扈罗全杜泽许晓东王娜
Owner SUZHOU CONCRETE CEMENT PROD RES INST
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