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Apparatus for simultaneously measuring whiteness and coating amount

A coating amount and detection device technology, applied in the measurement device, the use of optical devices, the measurement of scattering characteristics, etc., can solve the problems of increasing investment cost, expensive device, reducing work efficiency, etc., to reduce investment cost, improve work efficiency, The effect of securing installation space

Inactive Publication Date: 2016-09-28
POHANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, since the devices for measuring the whiteness and the amount of resin coating are installed separately, it not only takes up double the space but also has the problem of reducing work efficiency
There is also the problem of increasing investment costs since each unit is more expensive

Method used

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  • Apparatus for simultaneously measuring whiteness and coating amount
  • Apparatus for simultaneously measuring whiteness and coating amount
  • Apparatus for simultaneously measuring whiteness and coating amount

Examples

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Embodiment Construction

[0021] While particular embodiments of the invention are shown in the drawings and described in detail in the Examples that follow, the invention can be modified in various ways and take various alternative forms. It should be understood, however, that there is no intention to limit the invention to the particular forms disclosed, but on the contrary, the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

[0022] It should be understood that although the terms "first", "second", etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present invention. As used herein, the term "and / or" includes all and any combination of on...

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Abstract

An apparatus for simultaneously measuring whiteness and coating amount, according to one embodiment of the present invention, comprises: a light-emitting unit arranged at a predetermined distance from a test piece and irradiating the test piece with light; a filter unit arranged between the light-emitting unit and the test piece and allowing either an infrared ray or a visible ray to selectively pass therethrough; a detection unit arranged at a predetermined distance from the test piece and detecting either the infrared ray or the visible ray to be reflected from the test piece; and a calculation unit connected with the detection unit, calculating the coating amount according to the amount of the infrared ray detected by the detection unit, and calculating the whiteness according to the amount of the visible ray detected by the detection unit. Since the whiteness and the coating amount can be measured by the apparatus for simultaneously measuring the whiteness and the coating amount according to one embodiment of the present invention, work efficiency is increased and capital expenditure for equipment can be reduced.

Description

technical field [0001] The present invention relates to a device for simultaneously measuring whiteness and coating amount, more particularly, relates to a device for simultaneously measuring whiteness and coating amount of a steel plate and the coating amount of an upper coating installation. Background technique [0002] Typically, the steel sheet is plated with a metal such as zinc or coated with a resin to obtain a corrosion-resistant steel sheet. In addition, in addition to the corrosion resistance of the steel sheet, the resin coated on the steel sheet has advantages of providing fingerprint resistance, insulation, and the like. Therefore, it is necessary to accurately measure and control the coating amount of the resin. [0003] The coating amount of the resin is generally measured by a method in which infrared light is incident on a steel sheet, the amount of infrared light absorbed by the resin layer is measured, and the amount is converted into the coating amount...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3563G01N21/55
CPCG01N21/55G01B11/0616G01N21/25C23C22/73G01B11/06G01N21/8422G01N2021/8427G01N2201/0636
Inventor 洪在和
Owner POHANG IRON & STEEL CO LTD
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