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Paper money thickness detecting device

A detection device and technology for banknotes, which are applied in the direction of checking the authenticity of banknotes, processing coins or valuable banknotes, instruments, etc., can solve the problems of high price, bulky, complex structure, etc., and achieve the effect of simple structure

Inactive Publication Date: 2014-08-06
WEIHAI HUALING OPTO ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, banknote sorting machines are widely used. The detection device of banknote thickness is the main part of the banknote sorting machine, which is used to detect the thickness of banknotes and determine whether there are foreign objects on the banknotes. The current detection devices for the thickness of banknotes generally have problems such as bulky, complex structures, and high prices.

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0029]The detection device for the banknote thickness of Embodiment 1 also includes a shielding device (not shown in the figure), the detection electrode group is located in the shielding device, and in the first direction, the shielding device has an electret electrode group in the first direction. relative opening. The shielding device can effectively shield external interference, improve the anti-interference ability of the detection device, and the opening part can keep the voltage formed between the detection electrode 21 and the electret electrode 11 . Preferably, the shielding means is a grounded guard electrode.

[0030] In Embodiment 1, the shielding device is a ring-shaped shield, and the ring-shaped shield is arranged on the second installation surface. The ring-shaped shield surrounds the detection electrode group and takes the first direction as the axial direction. As a feasible implementation manner, the shielding device may be a shielding bucket with one end o...

Embodiment 3

[0041] The difference between the banknote thickness detection device (not shown) of Embodiment 3 and Embodiment 1 is as follows:

[0042] In the third embodiment, the detection electrode group includes a plurality of detection electrodes, and the detection electrodes in the detection electrode group are distributed in the second direction, wherein the second direction is respectively perpendicular to the moving direction and the moving direction of the banknote to be detected. first direction. Since the plurality of detection electrodes in the detection electrode group are distributed in the second direction, the above structure enables the paper currency to be detected to be divided into a plurality of small units when passing through the first moving gap, thereby improving the detection resolution. In Embodiment 1, multiple detection electrodes in the detection electrode group are arranged at intervals in the second direction, and the distance between two adjacent detection...

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Abstract

The invention provides a paper money thickness detecting device which comprises an electret electrode set, a detecting electrode set and a detecting device body (30). The electret electrode set comprises a plurality of electret electrodes (11). The detecting electrode set comprises at least one detecting electrode (21). The detecting electrode set and the electret electrode set are arranged in the first direction at interval, and a first moving gap for paper money to be detected is formed between the detecting electrode set and the electret electrode set. The detecting circuit (30) comprises a detecting circuit. The detecting circuit is respectively and electrically connected with the electret electrodes (11) and the detecting electrode (21) and can convert voltage change values into the thickness of the paper money to be detected.

Description

technical field [0001] The invention relates to the technical field of banknote detection, in particular to a detection device for the thickness of banknotes. Background technique [0002] At present, banknote sorting machines are widely used. The detection device of banknote thickness is the main part of the banknote sorting machine, which is used to detect the thickness of banknotes and determine whether there are foreign objects on the banknotes. The current detection devices for the thickness of banknotes generally have problems such as bulky, complex structures, and high prices. Contents of the invention [0003] The invention aims to provide a detection device for banknote thickness with simple structure. [0004] In order to achieve the above object, the present invention provides a detection device for banknote thickness, comprising: an electret electrode group, including a plurality of electret electrodes; a detection electrode group, including at least one detec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G07D7/16G07D7/20G07D7/164
Inventor 邓娟李明
Owner WEIHAI HUALING OPTO ELECTRONICS CO LTD
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