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Coating thickness measuring probe

A technology for measuring probe and layer thickness, which is used in electrical/magnetic thickness measurement, electromagnetic measurement devices, etc., can solve problems such as unfavorable manufacturing, complex structure, etc., and achieve the effects of easy portability, small size, and stable measurement effect.

Inactive Publication Date: 2011-11-09
李长青
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing coating thickness measurement probes are mainly based on coils, and the structure is complex, which is not conducive to manufacturing

Method used

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  • Coating thickness measuring probe

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Embodiment Construction

[0010] Such as figure 1 Shown is the structure schematic diagram of the coating thickness measuring probe of the utility model. The new-type coating thickness measuring probe includes a probe contact point 1, a probe housing end face 2, a probe housing 3, a wiring terminal 4 of a Hall element, an opening 5 of the rear end cover of the probe housing, a permanent magnet 6, and a Hall element 7; The probe housing 3 is a circular tube with a rear end cover, the rear end cover of the circular tube has an opening 5, and the terminal 4 of the Hall element is connected from the opening of the rear end cover of the circular tube. 5 through; the probe housing end face 2 is connected to the probe housing 3, the probe contact point 1 is fixed at the center of the probe housing end face 2, and the Hall element 7 is fixed on the On the end surface 2 of the probe housing mentioned above, the permanent magnet 6 is fixed on the Hall element 7 .

[0011] When the coating thickness measurement...

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Abstract

The invention relates to a coating thickness measuring probe. The probe comprises a probe contact point, a probe shell end face, a probe shell, a wiring terminal of a Hall element, an opening of a rear end cover of the probe shell, a permanent magnet, and the Hall element, wherein the probe shell is a round pipe with the rear end cover; the rear end cover of the round pipe is provided with the opening; the wiring terminal of the Hall element passes through the opening of the rear end cover of the round pipe; the probe shell end face is connected with the probe shell; the probe contact point is fixed in the center of the probe shell end face; the Hall element is fixed on the probe shell end face; and the permanent magnet is fixed on the Hall element. A coating thickness measuring instrument using the probe can be applied to the coating thickness detection of various products in various industries, particularly coating thickness measurement in the coating industry, the automobile painting industry and the like.

Description

Technical field [0001] The utility model relates to a coating thickness measuring probe, which is especially used for measuring the coating thickness on the surface of various workpieces. Background technique [0002] The current measurement method for coating thickness is the magnetic induction method, which can measure the thickness of non-ferromagnetic coating on ferromagnetic materials. When measuring the coating thickness, it can accurately measure the paint layer on the steel surface, the protective layer of ceramics and enamel, the covering layer of plastic and rubber, and various anti-corrosion coatings in the chemical and petroleum industry. There are a wide range of industries that require coating thickness measurement, such as industrial paint industry, automotive painting industry, metal surface treatment industry, etc. Among them, the industrial paint industry includes bridge varnishes, ship varnishes, aerospace vehicle surfaces, home appliances, etc. The auto...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/06
Inventor 李长青石成玉李长峰翟玉生苏文玉侯施娆姜威
Owner 李长青
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