CN102881074A - Paper money detecting machine - Google Patents
Paper money detecting machine Download PDFInfo
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- CN102881074A CN102881074A CN2012103353665A CN201210335366A CN102881074A CN 102881074 A CN102881074 A CN 102881074A CN 2012103353665 A CN2012103353665 A CN 2012103353665A CN 201210335366 A CN201210335366 A CN 201210335366A CN 102881074 A CN102881074 A CN 102881074A
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- light source
- transmitted light
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Abstract
The invention discloses a paper money detecting machine, which comprises an image identification device, wherein the image identification device comprises a non-contact image sensor and a transmittance light source; and the non-contact image sensor inducts an image produced by paper money transmitted by the transmittance light source. The paper money detecting machine has the advantages that the shortcoming of low stability of images caused by drapes of the paper money during reflection of the image is overcome; and a relatively good effect of authenticating a watermark region is achieved.
Description
Technical field
The present invention relates to a kind of financial instrument, relate in particular to a kind of paper currency sorter.
Background technology
At present, extensively using in sorting, the false distinguishing of bank note, their function has: the number of the true and false of identification note, the Currency Type of checking bank note, the various bank note of calculating.Wherein difficult point shows again the sorting of bank note and false distinguishing etc.
Existing finance device on the market relies on magnetic and reflected image to finish sorting and false distinguishing mostly.Because bank note has the two sides, the newness degree on two sides may be different, can exert an influence to magnetic and image reflection.Present counterfeit money on the market is more and more, and its false distinguishing difficulty is also increasing, only depends on magnetic and reflected image to be difficult to realize preferably sorting and false distinguishing.
Summary of the invention
For the problems referred to above that exist in present paper currency sorting, the false distinguishing work, now provide a kind of paper currency sorter that is intended to overcome the deficiency that magnetic and reflected image differentiate.
Concrete technical scheme is as follows:
A kind of paper currency sorter comprises pattern recognition device, and wherein, described pattern recognition device comprises contactless imageing sensor and transmitted light source, the image that produces behind the described transmitted light source transmission of the described contactless image sensor senses bank note.
Preferably, also comprise the control device with the sequential control parts, described control device is connected with described pattern recognition device and described transmitted light source respectively, and controls described pattern recognition device and described transmitted light source synchronous working by described sequential control parts output timing.
Preferably, described transmitted light source adopts red light-emitting parts or blue light emitting parts or green luminescence parts or infrared light luminous component.
Preferably, described control device is connected with described transmitted light source by driving circuit.
Preferably, described control device is mainly formed by programmable logic device (PLD).
The beneficial effect of technique scheme is:
Overcome reflected image causes the poor stability of image because of the fold injustice of bank note defective, and also had stronger effect for the false distinguishing of watermark areas.
Description of drawings
Fig. 1 is the logical organization schematic diagram of the embodiment of a kind of paper currency sorter of the present invention.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, but not as limiting to the invention.
As shown in Figure 1, the embodiment of a kind of paper currency sorter of the present invention comprises pattern recognition device, and wherein, pattern recognition device comprises contactless imageing sensor and transmitted light source, the image that produces behind the contactless image sensor senses transmitted light source transmission bank note.Bank note enters between transmitted light source and the contactless imageing sensor by conveyer during cleaning-sorting machine work, the luminous transmission bank note of transmitted light source, and in the induction end formation transmission image of contactless imageing sensor, contactless imageing sensor is identified bank note according to transmission image.
On the technique scheme basis, further, also comprise the control device with the sequential control parts, control device is connected with pattern recognition device and transmitted light source respectively, and by sequential control parts output timing control pattern recognition device and transmitted light source synchronous working.Wherein, control device can mainly be formed by programmable logic device (PLD).A kind of more excellent selection is to adopt fpga chip as control device, by the sequential parts in the configuration fpga chip formation control device, fpga chip is linked to each other with the driving circuit input of transmitted light source, and the light on and off sequential of transmitted light source is provided by the sequential parts.The output of the driving circuit of transmitted light source links to each other with transmitted light source, and the control signal electric current amplification with fpga chip makes it have enough current drives transmitted light source work.Fpga chip links to each other with contactless imageing sensor control pin, and by the sequential parts so that lighting with the reception of contactless imageing sensor with carrying out of transmitted light source receive so that the luminous energy that transmitted light source sends is installed in the contactless imageing sensor of right opposite.Stability by control device control transmitted light source and contactless imageing sensor collaborative work with the sequential parts can improve transmitted light source improves the picture quality of contactless image sensor senses, and then improves the work efficiency of cleaning-sorting machine.
On the technique scheme basis, further, transmitted light source can adopt red light-emitting parts or blue light emitting parts or green luminescence parts or infrared light luminous component.
The above only is preferred embodiment of the present invention; be not so restriction embodiments of the present invention and protection domain; to those skilled in the art; should recognize that being equal to that all utilizations instructions of the present invention and diagramatic content done replace and the resulting scheme of apparent variation, all should be included in protection scope of the present invention.
Claims (4)
1. a paper currency sorter comprises pattern recognition device, it is characterized in that, described pattern recognition device comprises contactless imageing sensor and transmitted light source, the image that produces behind the described transmitted light source transmission of the described contactless image sensor senses bank note.
2. paper currency sorter as claimed in claim 1, it is characterized in that, also comprise the control device with the sequential control parts, described control device is connected with described pattern recognition device and described transmitted light source respectively, and controls described pattern recognition device and described transmitted light source synchronous working by described sequential control parts output timing.
3. paper currency sorter as claimed in claim 1 is characterized in that, described transmitted light source adopts red light-emitting parts or blue light emitting parts or green luminescence parts or infrared light luminous component.
4. paper currency sorter as claimed in claim 1 is characterized in that, described control device is mainly formed by programmable logic device (PLD).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103353665A CN102881074A (en) | 2012-09-12 | 2012-09-12 | Paper money detecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103353665A CN102881074A (en) | 2012-09-12 | 2012-09-12 | Paper money detecting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102881074A true CN102881074A (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103353665A Pending CN102881074A (en) | 2012-09-12 | 2012-09-12 | Paper money detecting machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN102881074A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104573700A (en) * | 2015-02-04 | 2015-04-29 | 广州广电运通金融电子股份有限公司 | Folded bill identification method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104573700A (en) * | 2015-02-04 | 2015-04-29 | 广州广电运通金融电子股份有限公司 | Folded bill identification method and device |
| WO2016123903A1 (en) * | 2015-02-04 | 2016-08-11 | 广州广电运通金融电子股份有限公司 | Folded bill identification method and device |
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| US10319170B2 (en) | 2015-02-04 | 2019-06-11 | Grg Banking Equipment Co., Ltd. | Folded bill identification method and device |
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Application publication date: 20130116 |