Multi-channel detector

A detector, multi-channel technology, applied in the direction of instruments, analytical materials, material magnetic variables, etc., can solve the problem of low detection sensitivity, not many, etc.

Inactive Publication Date: 2015-04-29
QINGDAO GUANDA TRADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, on-line or off-line flaw detection of various non-ferrous metals, ferrous metal pipes, rods, wires, wires, and profiles has become more and more common. There are not many, and the sensitivity of detecting defects of metal pipes, rods, wires, wires, and profiles, such as surface cracks, dark seams, slag inclusions, and opening cracks, is not high. How can we produce modular operations and provide multiple displays? Mode, and the fool-type equipment that applies fully digital design technology has become people's expectation

Method used

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Embodiment Construction

[0012] see figure 1 and figure 2 As shown, the present invention includes an oscillator group 1, a data acquisition module 2, a data interface unit 3, a filter amplification module 4 and an industrial control computer 7, and the data acquisition module 2 includes a plurality of data acquisition modules, and in the implementation process Among them, the number of data acquisition modules can be three to ten. The data acquisition module is provided with an output interface 14, and the oscillator group 1 includes a plurality of oscillators. In the implementation process, the number of data acquisition modules can be three to ten, and the oscillators communicate with each other through signal lines. The data acquisition module is connected, the output interface 14 is connected with the input terminal corresponding to the inside of the data interface unit 3 through a signal line, and the filter amplifier module 4 includes a plurality of filter amplifiers, and the filter amplifier...

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Abstract

The invention relates to a multi-channel detector including an oscillator group, a data acquisition module, a data interface unit, a filter amplifier module and an industrial control computer; the data acquisition module includes a data acquisition module, and the data acquisition module is provided with an output interface; the oscillator group contains oscillators, and the oscillators are connected with the data acquisition module through signal lines; the output interface is connected with a corresponding input terminal inside the data interface unit through a signal line; the filter amplifier module includes a filter amplifier, the filter amplifier is connected with a corresponding output terminal inside the data interface unit through a signal line, and the filter amplifier is connected with a corresponding terminal inside a high-speed AD acquisition card through a signal line; the high-speed AD acquisition card is connected into an input port of the industrial control computer through a signal line.

Description

technical field [0001] The invention relates to a detection device, in particular to a multi-channel detection instrument. Background technique [0002] At present, on-line or off-line flaw detection of various non-ferrous metals, ferrous metal pipes, rods, wires, wires, and profiles has become more and more common. There are not many, and the sensitivity of detecting defects of metal pipes, rods, wires, wires, and profiles, such as surface cracks, dark seams, slag inclusions, and opening cracks, is not high. How can we produce modular operations and provide multiple displays? Models, and fool-proof devices that apply fully digital design technology have become people's expectations. Contents of the invention [0003] The present invention overcomes the deficiencies of the prior art and proposes a multi-channel detector. The detector uses an alternating current of a certain frequency to pass through the detection coil. When the test piece is close to the coil, the geo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/90G01N35/00
Inventor 周君祥
Owner QINGDAO GUANDA TRADE
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