CN202230536U - Banknote recognition device - Google Patents
Banknote recognition device Download PDFInfo
- Publication number
- CN202230536U CN202230536U CN2011203685318U CN201120368531U CN202230536U CN 202230536 U CN202230536 U CN 202230536U CN 2011203685318 U CN2011203685318 U CN 2011203685318U CN 201120368531 U CN201120368531 U CN 201120368531U CN 202230536 U CN202230536 U CN 202230536U
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- 238000001914 filtration Methods 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
The utility model discloses a banknote recognition device. The banknote recognition device comprises a bracket and a control chip, wherein a banknote passage is arranged below the bracket; an emitting sensor and a receiving sensor are arranged on the bracket; the receiving sensor is connected with the control chip; a light filter is arranged in front of the receiving sensor, and the emitting sensor comprises an emitting light source; the banknote recognition device is characterized in that the emitting light source is within a near-infrared waveband; and the wavelength of the light filter is bigger than that of the emitting light source, and smaller than that of fluorescence generated in a manner that the emitting light source irradiates on banknote. According to the anti-fake characteristics of banknotes, namely the figures on the left lower sides of the front surfaces of banknotes in the fifth series of RMB with the denomination of 100 and 50 Yuan are printed by optically variable ink. The banknote recognition device uses the emitting light source within a near-infrared wave band to irradiate a banknote, so that fluorescence reaction is generated on the surface of the banknote; and the fluorescence is received by the receiving sensor, is compared and recognized by the control chip to judge whether the banknote is genuine or not.
Description
Technical field
The utility model relates to a kind of true and false device of bank note that is used to discern, particularly be a kind of paper money identifier that is arranged on paper money counter, the cash inspecting machine.
Background technology
At present; The true and false identifier of existing bank note is not all discerned the photochromatic printing ink numeral on the bank note; People normally adopt visual different angles to check whether the photochromatic printing ink numeral exists color to change; There are some drawbacks in this detection method, and at first people's naked eyes are checked and had deviation, are difficult to accurately discern the true and false of bank note; Secondly; Under different light source irradiation, the color of photochromatic printing ink on bank note numeral also can be different, however the appearance variable color that nowadays counterfeit money also can be in various degree under radiation of visible light; This relies on the range estimation common people to discern the photochromatic printing ink of all counterfeit moneys, also is inaccurate.Will discern and can only take through many camera multi-angles like machine, could discern through a large amount of computing comparisons of computing machine, so will discern photochromatic printing ink will increase camera and computing equipment in former machine, will increase a lot of manufacturing costs.Given this, the invention provides a kind of photochromatic printing ink pick-up unit of cheapness.
Summary of the invention
In view of the existing technical matters of background technology, the utility model technical matters to be solved provides the paper money identifier that a kind of characteristic that carries to the photochromatic printing ink numeral on the bank note is discerned.
In order to solve the problems of the technologies described above, the utility model adopts following scheme to realize: this kind paper money identifier includes support and control chip; The below of said support is provided with banknote path; Said support is provided with emission sensor and receiving sensor, and said receiving sensor is connected with control chip, and the place ahead of said receiving sensor is provided with optical filtering; Said emission sensor includes transmitting illuminant; It is characterized in that said transmitting illuminant is a near-infrared band, the wavelength of said optical filtering is radiated at the wavelength of the fluorescence that produces on the bank note simultaneously again greater than the wavelength of transmitting illuminant less than transmitting illuminant.
The wavelength of said transmitting illuminant is 800nm-960nm.
The bottom surface of said receiving sensor and support forms an angle.
Said angle>=30 °, and angle≤45 °.
The bottom surface of said support is a dustproof glass.
Said receiving sensor has the plurality of sensors chip, and said sensor chip is with array format.
The security feature that has according to bank note self; Promptly the 5th 100 yuan of Renminbi of cover and the positive lower left numeral of 50 yuan notes are to adopt the photochromatic printing ink printing; The utility model adopts the transmitting illuminant irradiation bank note of near-infrared band to make note surface can produce fluorescence reaction; Wherein the wavelength of transmitting illuminant is in the 800nm-960nm scope, and the fluorescence reaction effect of bank note is better.If genuine note; Photochromatic printing ink numeral on the bank note can absorb this transmitting illuminant, and the photochromatic printing ink numeral black in color that receiving sensor is gathered makes receiving sensor output than weak signal; Be white in color and other district to be tested can produce fluorescence reaction, make receiving sensor export strong signal; If counterfeit money, its photochromatic printing ink numeral can not or can not absorb transmitting illuminant fully, makes the whole meeting in bank note district to be tested (comprising the photochromatic printing ink numeral) produce fluorescence reaction and be white in color, and makes receiving sensor export strong signal.The wavelength of fluorescence is longer than the wavelength of transmitting illuminant; The wavelength of the optical filtering on the receiving sensor is greater than the wavelength of transmitting illuminant; The wavelength of optical filtering is radiated at the wavelength of the fluorescence that produces on the bank note again less than transmitting illuminant simultaneously; Therefore optical filtering makes the transmitting illuminant filtering note surface produce fluorescence and is then received by receiving sensor through optical filtering.Receiving sensor amplifies and handles the genuine note information parameter of setting in back and the control chip identification of comparing through oversampling circuit in the fluorescence information that collects on the bank note, thus the true and false of judgement bank note.The bottom surface of said receiving sensor and support forms an angle, and the effect of the fluorescent effect that collects of receiving sensor when vertical is good like this; 30 °≤α≤45 ° fluorescent effects that receiving sensor collects in this angular range are best; The bottom surface of said support is a dustproof glass, and light source both can pass glass and shines on the bank note like this, can prevent that again dust from getting in the support, thereby avoid paper money recognition influenced.Said receiving sensor has the plurality of sensors chip, and said sensor chip is with array format, has so just enlarged the scope that bank note detects, even bank note gets into the position of detecting mouthful skew is arranged, and also can not detect omission.
Description of drawings
Further describe the principle of work and the relevant details thereof of the utility model below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the utility model.
Fig. 2 is installed in the synoptic diagram in paper money counter or the identifier for the utility model.
Embodiment
With reference to Fig. 1, this kind paper money identifier includes support 6 and control chip, does not draw among the control chip figure, and the bottom surface of said support 6 is a dustproof glass 4.Said support 6 is provided with emission sensor and receiving sensor 1, and said receiving sensor 1 has the plurality of sensors chip, and said sensor chip is with array format, and said sensor chip is a silicon photoelectric diode, is commonly called as: silicon photocell.Said receiving sensor 1 forms an angle with the bottom surface of support, and 30 °≤α≤45 °, and said receiving sensor 1 is connected with control chip, and the place ahead of said receiving sensor 1 is provided with optical filtering 2; Said emission sensor includes transmitting illuminant 3, and the wavelength of said transmitting illuminant 3 is 800nm-960nm, and the wavelength of said optical filtering 2 is radiated at the wavelength of the fluorescence that produces on the bank note 7 again simultaneously greater than the wavelength of transmitting illuminant 3 less than transmitting illuminant 3.
With reference to Fig. 2; The utility model can be installed on paper money counter or the cash inspecting machine and be used in combination with other recognition device, counting function; Because positive and negative differing when bank note gets into inlet slot of paper note, and the photochromatic printing ink numeral exists only in the positive lower left of bank note on the bank note, so paper money counter or cash inspecting machine need be provided with four paper money identifiers 8; Promptly paper money identifier 8 all is set in the both sides of the above and below of banknote path 5; As shown in Figure 2, no matter how bank note gets into inlet slot of paper note, can not detect omission like this.The plurality of sensors chip of adding receiving sensor 1 is with array format, so no matter whether the position when tested bank note 7 gets into inlet slot of paper note has skew, can not occur detecting and omit.
Bank note 7 is got into by banknote path 5, and the transmitting illuminant 3 of emission sensor sees through dustproof glass 4 and is radiated on the bank note 7, and bank note 7 produces fluorescence reaction, and the used transmitting illuminant 3 of the utility model is an infrared band, and the fluorescence and the light source that are produced are invisible light.The wavelength of fluorescence that bank note 7 produces is greater than the wavelength of transmitting illuminant 3; Wavelength through setting optical filtering 2 makes it between the wavelength and wavelength of fluorescence of transmitting illuminant 3; Just can be well with transmitting illuminant 3 and visible light filtering, can effectively make receiving sensor 1 receive the fluorescence that bank note produces and can avoid being disturbed by other light wave.Survey bank note if genuine note; Photochromatic printing ink numeral on the bank note can absorb this transmitting illuminant 3; The photochromatic printing ink numeral black in color that receiving sensor 1 is gathered; Make receiving sensor 1 output than weak signal, and other district to be tested can produce fluorescence reaction and is white in color, and makes the strong signal of receiving sensor 1 output; If counterfeit money, its photochromatic printing ink numeral can not or can not absorb transmitting illuminant fully, makes the whole meeting in bank note district to be tested (comprising the photochromatic printing ink numeral) produce fluorescence reaction and be white in color, and makes receiving sensor 1 be output as strong signal always.Receiving sensor 1 is delivered to control chip in the fluorescence information that collects on the bank note 7 after oversampling circuit amplifies and handles; Whether the programmed decision of setting through control chip detects bank note photochromatic printing ink place has the signal generation; Compare simultaneously, thereby the judgement bank note of gathering is true and false according to the genuine note information parameter of setting in the power of signal and the control chip.
Claims (6)
1. paper money identifier; Include support (6) and control chip, the below of said support (6) is provided with banknote path (5), and said support (6) is provided with emission sensor and receiving sensor (1); Said receiving sensor (1) is connected with control chip; The place ahead of said receiving sensor (1) is provided with optical filtering (2), and said emission sensor includes transmitting illuminant (3), it is characterized in that said transmitting illuminant (3) is a near-infrared band; The wavelength of said optical filtering (2) is radiated at the wavelength of the fluorescence that produces on the bank note simultaneously again greater than the wavelength of transmitting illuminant (3) less than transmitting illuminant.
2. paper money identifier according to claim 1, the wavelength that it is characterized in that said transmitting illuminant (3) is 800nm-960nm.
3. paper money identifier according to claim 1 and 2 is characterized in that the said receiving sensor (1) and the bottom surface (4) of support form an angle.
4. paper money identifier according to claim 3 is characterized in that said angle>=30 °, and angle≤45 °.
5. paper money identifier according to claim 1 and 2 is characterized in that the bottom surface (4) of said support is a dustproof glass.
6. paper money identifier according to claim 1 and 2 is characterized in that said receiving sensor (1) has the plurality of sensors chip, and said sensor chip is with array format.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203685318U CN202230536U (en) | 2011-09-30 | 2011-09-30 | Banknote recognition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203685318U CN202230536U (en) | 2011-09-30 | 2011-09-30 | Banknote recognition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202230536U true CN202230536U (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203685318U Expired - Lifetime CN202230536U (en) | 2011-09-30 | 2011-09-30 | Banknote recognition device |
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| Country | Link |
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| CN (1) | CN202230536U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354411A (en) * | 2011-09-30 | 2012-02-15 | 魏伟 | Paper money recognition device |
| CN104077839A (en) * | 2013-03-29 | 2014-10-01 | 深圳贝斯特机械电子有限公司 | Bracket structure for collecting banknote color-changing ink signals |
| CN104794800A (en) * | 2015-05-06 | 2015-07-22 | 厦门大学 | Method and device for RMB optically variable ink recognition based on optical filter |
-
2011
- 2011-09-30 CN CN2011203685318U patent/CN202230536U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354411A (en) * | 2011-09-30 | 2012-02-15 | 魏伟 | Paper money recognition device |
| CN104077839A (en) * | 2013-03-29 | 2014-10-01 | 深圳贝斯特机械电子有限公司 | Bracket structure for collecting banknote color-changing ink signals |
| CN104077839B (en) * | 2013-03-29 | 2016-08-31 | 深圳贝斯特机械电子有限公司 | A kind of supporting structure gathering bank note color shifting ink signal |
| CN104794800A (en) * | 2015-05-06 | 2015-07-22 | 厦门大学 | Method and device for RMB optically variable ink recognition based on optical filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Weirong Electronic Co.,Ltd. Assignor: Wei Wei Contract record no.: 2012330000549 Denomination of utility model: Paper money recognition device Granted publication date: 20120523 License type: Exclusive License Record date: 20121127 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG WEIRONG ELECTRONIC CO., LTD. Free format text: FORMER OWNER: WEI WEI Effective date: 20130801 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 325400 WENZHOU, ZHEJIANG PROVINCE TO: 325200 WENZHOU, ZHEJIANG PROVINCE |
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| DD01 | Delivery of document by public notice |
Addressee: Wei Wei Document name: Notification that Application Deemed not to be Proposed |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130801 Address after: To the north of Zhejiang province 325200 Cangnan Lingxi Tong River Road Industrial Park Patentee after: Zhejiang Weirong Electronic Co.,Ltd. Address before: 325400, No. 38-58, West Road, Longgang Town, Cangnan County, Wenzhou, Zhejiang Patentee before: Wei Wei |
|
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG WEIRONG ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHEJIANG WEIRONG ELECTRONIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: To the north of Zhejiang province 325200 Cangnan Lingxi Tong River Road Industrial Park Patentee after: ZHEJIANG WEIRONG ELECTRONIC Co.,Ltd. Address before: To the north of Zhejiang province 325200 Cangnan Lingxi Tong River Road Industrial Park Patentee before: Zhejiang Weirong Electronic Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 325200 No. 188, Yongjin Road, Lingxi Town, Cangnan County, Zhejiang Province Patentee after: Weirong Technology Co.,Ltd. Address before: 325200 North of Tanghe Road, Lingxi Town Industrial Park, Cangnan County, Zhejiang Province Patentee before: ZHEJIANG WEIRONG ELECTRONIC Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |