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Gap measurement method and gap measurement device

A measurement method and gap technology, applied in the field of measurement, can solve the problem of light measurement of gaps that cannot be concealed, and achieve the effect of solving the measurement of concealed gaps

Active Publication Date: 2013-07-10
GRG BAKING EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Therefore, neither of the above two measurement methods can measure hidden gaps, that is, places that are invisible and where light cannot be projected

Method used

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  • Gap measurement method and gap measurement device

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Embodiment Construction

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0034] Such as figure 1 As shown, a gap measurement method provided by an embodiment of the present invention is used to measure the gap between the relatively movable first part and the second part; a piezoelectric film sensor is used in the method, and the Methods include:

[0035] S11. Moving the first component from its initial position to keep it away from the second component;

[0036] It can be understood that the movement of the first component relative t...

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Abstract

The invention provides a gap measurement method and a gap measurement device. A piezoelectric film sensor is placed between a first component and a second component so as to ensure that electric conduction quantity is generated by the piezoelectric film sensor because of squeezing of the first component and the second component, and size of a gap between the first component and the second component is acquired according to the electricity conduction quantity, wherein gap measurement needs conducing on the first component and the second component. The method that the size of the gap between the first component and the second component is converted to the electricity conduction quantity of the piezoelectric film sensor, and is acquired through the electricity conduction quantity ensures that measurement of the size of the gap is not limited to visible places where light beams can project any more, and therefore measurement of hidden gaps is effectively solved.

Description

technical field [0001] The invention relates to the technical field of measurement, and more specifically, to a gap measurement method and device. Background technique [0002] When two parts are not in full contact, the gap that exists between the two parts is called a gap, and the two parts can be relatively fixed or relatively movable. In some cases, testing for gap size is essential. For example: when banknotes pass through the gap between the frame of the banknote detector and the magnetic head, the banknote detector can identify the authenticity of the banknotes by detecting the magnetic signal of the banknotes when the banknotes pass through its magnetic head. When banknotes pass through the banknote detector, it is required that the banknotes stick to the magnetic head flatly, so that the banknote detector can obtain the correct banknote magnetic signal. If the banknote passing gap of the banknote detector is too large or too small, it will affect the collection of...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/14
Inventor 孙志强赖中武钟晓伟
Owner GRG BAKING EQUIP CO LTD