CN205750988U - A kind of paper money discrimination device - Google Patents
A kind of paper money discrimination device Download PDFInfo
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- CN205750988U CN205750988U CN201620445288.8U CN201620445288U CN205750988U CN 205750988 U CN205750988 U CN 205750988U CN 201620445288 U CN201620445288 U CN 201620445288U CN 205750988 U CN205750988 U CN 205750988U
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Abstract
Paper money discrimination device, including white light source, LASER Light Source, sensor, processor, arbiter, it it is a kind of optical signature detection device, characteristic can be become based on different angles principle of reflection detection light glory, and based on transmission principle detection complementary pair print feature, it is possible to two kinds of anti-counterfeiting characteristics of detection, and false distinguishing efficiency simultaneously are high, accuracy is high, it is achieved low cost.
Description
Technical field
This utility model relates to field of photoelectric technology, is specifically related to a kind of paper money discrimination device.
Background technology
Along with the development of national economy, RMB cash transaction amount constantly increases, and bank note is the people of China's distribution
The main currency of coin, plays very important effect in economic activity, there is lawless person the most always and manufactures and circulation
Counterfeit money and technique of composite-RMB bank note, this very disruptive financial order and economic stability, is damaged the public interest of country.
In order to improve the azimuthal capability of banknote, paper false proof, ink is false proof and the anti-counterfeiting technology such as antiforge is by constantly
Exploitation and improvement, in recent years, along with the development of anti-counterfeiting technology, the production application of anti-counterfeiting technology product is sent out the most rapidly
Exhibition.
100 yuan of light glory parameter word " 100 " newly added of 2015 editions RMB, be positioned at the hundred positive Middle face of yuan note nominal value, " in
The People's Bank of state " below printed words.Central Bank responsible person introduces, right-angle view nominal value, and numeral " 100 " is based on gold；Look squarely
Observing, numeral " 100 " is based on green.Along with the change of viewing angle, numeral " 100 " color replaces between gold and green
Change, and the lower rolling in number of a visible light band.It is introduced, it is that international banknote anti-counterfeit field is public that light glory becomes technology
One of forward position public's anti-counterfeiting technology recognized, the public is easier to identify, the most the multiple states including euro area, Russia
Family and area use this technology print paper money.
The light newly added becomes hollow out opened window safety line and is positioned at the positive right side of face of nominal value.When viewing angle is become stravismus from direct-view,
Safety line color is become green from magenta；During translumination observation, it is seen that the hollow out word " $ of positive and negative alternate arrangement in safety line
100”.It is the highest to light source requirements that light becomes hollow out opened window safety line, and color change is obvious, the most integrated hollow out character features, favorably
Identify in the public.
The false proof point that above-mentioned anti-counterfeiting technology is designed primarily on human eye vision, human eye is observed from different perspectives, can present not
Same color.May be used without Optical devices and carry out detection knowledge by obtaining different features the most from different perspectives
Not.Whether human eye translation-angle is observed or character shot with video-corder from different perspectives by multiple video camera or color of image differentiates,
Its essence is all to carry out acquisition characteristics from different angles to carry out detection identification.
Existing device all uses based on cmos device (CMOS, Complementary
Metal-Oxide Semiconductor) or charge coupled cell (CCD, Charge Coupled Device) photographic head to paper
The specific region of coin, such as, color shifting ink region, or hologram image region, or hidden pattern region takes pictures, and obtains
The image of relevant range, uses image processing algorithm to differentiate the true and false of this false proof point afterwards.These devices have following master
Want feature:
First, a set of image collecting device is installed in the position being likely to occur in each specific region to be detected.One suit
Put to design light source and the position of photographic head so that photographic head can obtain according to the position of taken specific region simultaneously
The direct picture (from the image of substantially vertical angle shot) and the side image that obtain bank note (are clapped with certain angle of inclination from side
The image taken the photograph).
Second, due to the bank note of country variant, different currency types, specific region to be detected location on banknote
It is different, so a set of equipment often may be only available for the detection of one or more currency types of a certain state bank note.
3rd, owing to the photographic head focal length using CMOS or CCD is the biggest, a range of visual field to be shot, all need
Volume needed for wanting certain shooting distance, the most whole filming apparatus is the biggest.
Also the equipment meeting of the optical signature using CMOS or CCD camera detection different angles is determined by above-mentioned feature
There is following problem:
CMOS or CCD camera in shooting time, bank note often has necessarily with theory movement situation walking the motion of paper money intracavity
Difference, this also determines when photographic head carries out image taking, specific region location to be detected and theoretical position
There is certain discrepancy, thus also make when imaging, direct picture, side image, the phase of specific region to be detected and light source
To position be designed with certain deviation.This also eventually affects the recognition effect of color shifting ink.
Being additionally, since different currency types, the position of place, specific region banknote to be detected is different, and CMOS or
CCD device have to be installed on position, specific region to be detected, so for specific region not on same position
Bank note, can only be identified by the equipment that multiple stage is different.And when the bank note issued a fresh edition, if to be detected is specific
The position in region changes, then original equipment must be carried out hardware re-design renewal.
It addition, CMOS or CCD camera are volume required relatively big, and for the extremely compact point of indoor design, test, sorting sets
For Bei, substantially increase the design requirement of equipment undoubtedly, too increase the overall volume of whole equipment.
Utility model content
In view of this, this utility model provides a kind of paper money discrimination device, including:
The invention discloses the false-identifying device of a kind of bank note, including:
Cash dispensing port；
Note input mouth；
Transparent between cash dispensing port and note input mouth send paper money passage；
It is arranged at transparent one first white light source sent above paper money passage and one second white light source；Wherein, described first
White light source irradiates a predetermined region to be detected with the first angle, θ 1, and described second white light source irradiates institute with the second angle, θ 2
State region to be detected；The difference of the second angle, θ 2 and the first angle, θ 1 is more than predetermined value ω；
It is arranged at the described transparent LASER Light Source sent above paper money passage；
It is arranged at the infrared sensing switch of described region fore to be detected, when sensing bank note and entering region to be detected,
Control the first white light source, the second white light source and LASER Light Source successively to light；
Color sensor, the image when collection the first white light source and the second white light source are lighted；
Laser sensor, for gathering image when LASER Light Source is lighted；
Image processor, is connected with color sensor and laser sensor respectively, is used for processing and analyze the first white light light
Image when source point is bright, it is judged that whether thing to be detected has complementary pair print feature；Process and compare the first white light source and second
Image when white light source is lighted, it is judged that whether bank note to be detected has light glory becomes feature；Process and analyze laser light source point
Image time bright, it may be judged whether there is specialty inks, and whether there is the print characteristics of relief printing plate, engraving；
Arbiter, is connected with image processor, and for the comprehensive judged result to each anti-counterfeiting characteristic, output is to paper to be detected
The false distinguishing result of coin.
It is preferred that described first white light source and described second white light source are arranged on the same of described color sensor
Side, described color sensor favours described to be detected setting.
It is preferred that described first white light source and described second white light source are arranged on the both sides of described color sensor,
Described color sensor is perpendicular to described to be detected setting.
It is preferred that described first angle, θ 1 is less than 30 ° of degree, described second angle, θ 2 is more than 60 ° of degree；Described predetermined value ω is big
In 50 ° of degree.
It is preferred that described first white light source and described second white light source are LED white light.
Three wavelength white lights of fluorescent material, the trichroism combination of multicore flap-type is added it is preferred that described LED white light is blue-ray LED
One of white LED lamp two kinds.
It is preferred that described laser sensor is provided with filtering eyeglass.
It is preferred that LASER Light Source is multiple, having same amount of laser sensor, to be arranged at described LASER Light Source relative
The position answered；
Color sensor is one, is positioned at the position corresponding with described first white light source and the second white light source.
It is preferred that also include mounting plate, wherein:
Described LASER Light Source, white light source and color sensor are fixedly connected with on luminous plaque, and described luminous plaque is fixed
Being connected on mounting plate, described mounting plate is provided with the hole corresponding with LASER Light Source, white light source and color sensor position, described
LASER Light Source, white light source and color sensor are inserted in the hole.
It is preferred that also include bottom plate, wherein:
Described laser sensor is fixedly connected on bottom plate, and described bottom plate is provided with corresponding with laser sensor position
Hole, described laser sensor is inserted in the hole.
The false-identifying device of a kind of bank note that this utility model provides, it is possible to simultaneously detect multinomial false proof point, improves
The speed of false distinguishing and accuracy.
Accompanying drawing explanation
Fig. 1 is a kind of paper money discrimination apparatus structure schematic diagram 1 that this utility model first embodiment provides；
Fig. 2 is the another kind of paper money discrimination apparatus structure schematic diagram 2 that this utility model first embodiment provides；
Fig. 3 is that a kind of use this utility model false-identifying device that this utility model the second embodiment provides carries out paper money discrimination
Method flow diagram.
Detailed description of the invention
For making principle of the present utility model, characteristic and advantage clearer, new to this practicality below in conjunction with specific embodiment
Type is described in detail.
Embodiment one
This utility model embodiment provides a kind of paper money discrimination device, is that light glory becomes spy to anti-counterfeiting characteristic for simultaneously
The bank note of complementary pair of seeking peace print feature detects.
See Fig. 1, the structure of the paper money discrimination device provided in this utility model embodiment is provided, including:
Cash dispensing port 101；
Note input mouth 102；
Transparent between cash dispensing port 101 and note input mouth 102 send paper money passage 103；
Transparent one first white light source sent above paper money passage 103 being arranged between cash dispensing port 101 and note input mouth 102
104 and one second white light source 105；Wherein, to irradiate one with the first angle, θ 1 predetermined to be detected for described first white light source 104
Region 106, described second white light source irradiates described region to be detected 106 with the second angle, θ 2；Second angle, θ 2 and first jiao
The difference of degree θ 1 is more than predetermined value ω；
It is arranged at the described transparent LASER Light Source 107 sent above paper money passage 103；
It is arranged at the infrared sensing switch 108 in front, described region to be detected 106, enters district to be detected sensing bank note
During territory, control first white light source the 104, second white light source 105 successively and LASER Light Source 107 is lighted；
Color sensor 109, the image when collection the first white light source 104 and the second white light source 105 are lighted；
Laser sensor 110, for gathering image when LASER Light Source 107 is lighted；
Image processor 111, is connected with color sensor 109 and laser sensor 110 respectively, is used for processing and analyze
Image when one white light source 104 is lighted, it is judged that whether thing to be detected has complementary pair print feature；Process and compare the first white light
Image when light source 104 and the second white light source 105 are lighted, it is judged that whether bank note to be detected has light glory becomes feature；Process
And analyze image when LASER Light Source 107 is lighted, it may be judged whether there is specialty inks, and whether there is the print of relief printing plate, engraving
Brush feature；
Arbiter 112, is connected with image processor 111, and for the comprehensive judged result to each anti-counterfeiting characteristic, output is treated
The false distinguishing result of detection bank note.
Wherein, same at described color sensor 109 of described first white light source 104 and described second white light source 105
Side, described color sensor 109 favours described region to be detected 106 and arranges.
It is preferred that described first angle, θ 1 is less than 30 ° of degree, described second angle, θ 2 is more than 60 ° of degree；Described predetermined value ω is big
In 50 ° of degree.
Wherein, described first white light source 104 and described second white light source 105 are LED white light.
Three wavelength white lights of fluorescent material, the trichroism combination of multicore flap-type is added it is preferred that described LED white light is blue-ray LED
One of white LED lamp two kinds.
It is preferred that described laser sensor 110 is provided with filtering eyeglass.
It is preferred that multiple LASER Light Source 107 can be selected, will have same amount of laser sensor 110 and be arranged at institute
State the position that LASER Light Source 107 is corresponding.
It is preferred that also include mounting plate 113, wherein:
Described LASER Light Source 107 and white light source 104 and 105, and color sensor 109 is fixedly connected with in pop-up
On plate 113, described mounting plate 113 is provided with and LASER Light Source 107, white light source 104 and 105 and color sensor 109 position pair
The hole answered, described LASER Light Source 107, white light source 104 and 105, and color sensor 109 are inserted in the hole.
It is preferred that also include bottom plate 114, wherein:
Described laser sensor 110 is fixedly connected on bottom plate 114, and described bottom plate 114 is provided with and laser sensor
The hole that 110 positions are corresponding, described laser sensor 110 is inserted in the hole.
When specifically applying, first white light source the 104, second white light source 105 and LASER Light Source 107 interval are lighted, than
As, first, the first white light source 104 is opened, and other light sources is closed, and color sensor gathers view data；Afterwards, the second white light
Light source 105 is lighted, and other light sources is closed, and color sensor gathers view data；Due to the first white light source 104 and the second white light
The irradiating angle of light source 105 is different, therefore by analyzing the two width images that different angles are irradiated, thus can judge paper to be detected
Whether coin has light glory becomes feature；Furthermore it is possible to closest to the figure under the first white light source 104 of vertical angle irradiation
Picture, owing to paper money passage 103 is transparent, therefore, it can, based on transmissison characteristic, complementary pair print feature be carried out false distinguishing；Afterwards, this reality
Also light LASER Light Source 107 by new embodiment, use laser sensor 109 to gather image, utilize LASER Light Source and laser
Bank note is detected by sensor: one is to utilize laser to detect specialty inks；Two is to utilize laser to relief printing plate, engraving and printing
Detect；After the specialty inks of bank note and print characteristics being acquired by laser sensor, after filtering, amplify, A/D
After conversion, signal is sent into master control processing system；It is analyzed by certain algorithm and is identified by master control processing controls system
The true and false of bank note.
Further, since the bank note color matching of different denominations is different in bank note, and, bank note is the newest, the color ash of bank note
Angle value is the highest, and bank note is the oldest, and the gray value of bank note is the lowest, according to the difference of bank note gray value, the newness degree of bank note can be drawn
It is divided into new, half new, old, half 5 new and old grades such as old old, special.Therefore can also utilize color sensor that the color of bank note is believed
Breath key element is gathered, analyzes and can judge banknote denomination and newness degree.
Seeing Fig. 2, this utility model additionally provides another kind of paper money discrimination device, with the paper money discrimination device shown in Fig. 1
Difference be, described first white light source 104 and described second white light source 105 are separately positioned on described color sensor
The both sides of 109, the camera lens of described color sensor 109 is perpendicular to described region to be detected 106 and arranges.Miscellaneous part is arranged and figure
1 is identical, and here is omitted.
Embodiment two
As it is shown on figure 3, this utility model embodiment additionally provides use this utility model false-identifying device, bank note is reflected
Pseudo-method, including step:
Step S301: system start-up, starts to walk paper money；
Step S302: transmit bank note to region to be detected；
Step S303: trigger to be arranged at successively and transparent send the first white light source of paper money passage side, the second white light source and 3
Individual LASER Light Source, keeps only one light source to open every time, and other light sources is closed；
Step S304: when the first white light source is opened, color sensor gathers banknote image, as the first image；
Step S305: when the second white light source is opened, color sensor gathers banknote image, as the second image；
Step S306: when LASER Light Source is opened, laser sensor gathers laser image, as the 3rd image；
Step S307: analyze the first image, it is judged that whether thing to be detected has complementary pair print feature；
Step S308: relatively described first image and described second image, judges whether thing to be detected has brilliance according to this
Light becomes feature；
Step S309: analyze the 3rd image, it may be judged whether there is specialty inks, and whether there is the print of relief printing plate, engraving
Brush feature；
Step S310: the judged result of combining step S307, S308 and S309, exports the false distinguishing to bank note to be detected and ties
Really.
In the optical signature detection device of the different angles that this utility model provides and device, use contact type image sensing
Device CIS gathers bank note or the front of other printed articles and side image, owing to the incident angle of light is fixed with reflection angle, because of
This image light gathered is more uniformly distributed, than the optical signature that conventional CMOS or CCD camera detect different angles
Device and device, detection device and the device of the optical signature of the different angles that this utility model provides are walked paper money by bank note at machinery
Intracavity walk paper money situation impact less, obtain different angles optical signature effect it is also ensured that.Secondly, for different coin
Kind, even if color shifting ink or hologram image are different in the position of banknote, different currency type can also be completed by a set of equipment
The detection of bank note.When issuing new edition bank note, it is only necessary to just can be completed device upgrade by software upgrading.Relatively CMOS or
For CCD camera, CIS small volume, install very convenient, when carrying out mechanical part design so that structure is the tightest
Gathering, equipment assembles the most convenient.Set semi-transparent gripper shoe cleverly, it is possible to detect the tow sides image of bank note simultaneously,
Improve detection efficiency.The light glory change characteristic and the complementary pair print characteristic that are simultaneous for bank note carry out false distinguishing, improve false distinguishing
Accuracy.
According to described disclosed embodiment, so that those skilled in the art are capable of or use this practicality new
Type.To those skilled in the art, the various amendments of these embodiments are apparent from, and define here overall
Principle can also be applied to other embodiments on the basis of without departing from scope and spirit of the present utility model.Above-described reality
Execute example and be only preferred embodiment of the present utility model, not in order to limit this utility model, all in essence of the present utility model
God and principle within, any modification, equivalent substitution and improvement etc. made, should be included in protection domain of the present utility model it
In.
Claims (10)
1. the false-identifying device of a bank note, it is characterised in that including:
Cash dispensing port；
Note input mouth；
Transparent between cash dispensing port and note input mouth send paper money passage；
It is arranged at transparent one first white light source sent above paper money passage and one second white light source；Wherein, described first white light
Light source irradiates a predetermined region to be detected with the first angle, θ 1, described second white light source with the second angle, θ 2 irradiate described in treat
Detection region；The difference of the second angle, θ 2 and the first angle, θ 1 is more than predetermined value ω；
It is arranged at the described transparent LASER Light Source sent above paper money passage；
It is arranged at the infrared sensing switch of described region fore to be detected, when sensing bank note and entering region to be detected, successively
Control the first white light source, the second white light source and LASER Light Source to light；
Color sensor, the image when collection the first white light source and the second white light source are lighted；
Laser sensor, for gathering image when LASER Light Source is lighted；
Image processor, is connected with color sensor and laser sensor respectively, is used for processing and analyze the first white light source point
Image time bright, it is judged that whether thing to be detected has complementary pair print feature；Process and compare the first white light source and the second white light
Image during light source igniting, it is judged that whether bank note to be detected has light glory becomes feature；Process and analyze LASER Light Source when lighting
Image, it may be judged whether there is specialty inks, and whether there is the print characteristics of relief printing plate, engraving；
Arbiter, is connected with image processor, and for the comprehensive judged result to each anti-counterfeiting characteristic, output is to bank note to be detected
False distinguishing result.
2. device as claimed in claim 1, it is characterised in that:
Described first white light source and described second white light source are arranged on the same side of described color sensor, and described color passes
Sensor favours described to be detected setting.
3. device as claimed in claim 1, it is characterised in that:
Described first white light source and described second white light source are arranged on the both sides of described color sensor, and described color senses
Device is perpendicular to described to be detected setting.
4. device as claimed in claim 1, it is characterised in that:
Described first angle, θ 1 is less than 30 ° of degree, and described second angle, θ 2 is more than 60 ° of degree；
Described predetermined value ω is more than 50 ° of degree.
5. device as claimed in claim 1, it is characterised in that:
Described first white light source and described second white light source are LED white light.
6. device as claimed in claim 5, it is characterised in that:
Described LED white light is that blue-ray LED adds three wavelength white lights of fluorescent material, the white LED lamp of the trichroism combination of multicore flap-type
One of two kinds.
7. device as claimed in claim 1, it is characterised in that:
Described laser sensor is provided with filtering eyeglass.
8. device as claimed in claim 1, it is characterised in that:
LASER Light Source is multiple, has same amount of laser sensor and is arranged at the position that described LASER Light Source is corresponding；
Color sensor is one, is positioned at the position corresponding with described first white light source and the second white light source.
9. device as claimed in claim 8, it is characterised in that also include mounting plate, wherein:
Described LASER Light Source, white light source and color sensor are fixedly connected with on luminous plaque, and described luminous plaque is fixing to be connected
On mounting plate, described mounting plate is provided with the hole corresponding with LASER Light Source, white light source and color sensor position, described laser
Light source, white light source and color sensor are inserted in the hole.
10. device as claimed in claim 9, it is characterised in that: also include bottom plate, wherein:
Described laser sensor is fixedly connected on bottom plate, and described bottom plate is provided with the hole corresponding with laser sensor position,
Described laser sensor is inserted in the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620445288.8U CN205750988U (en) | 2016-05-17 | 2016-05-17 | A kind of paper money discrimination device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620445288.8U CN205750988U (en) | 2016-05-17 | 2016-05-17 | A kind of paper money discrimination device |
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| CN205750988U true CN205750988U (en) | 2016-11-30 |
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ID=57366351
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| CN201620445288.8U Active CN205750988U (en) | 2016-05-17 | 2016-05-17 | A kind of paper money discrimination device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106599923A (en) * | 2016-12-16 | 2017-04-26 | 广州广电运通金融电子股份有限公司 | Detecting method and detecting device for stamped anti-counterfeiting characteristic |
| CN107293037A (en) * | 2017-06-29 | 2017-10-24 | 广州市银科电子有限公司 | Bill false distinguishing method and device based on anti-fake material spectral characteristic |
| CN114429690A (en) * | 2022-03-15 | 2022-05-03 | 温州铂芯电子科技有限公司 | Multispectral paper currency inspection device and currency counter |
-
2016
- 2016-05-17 CN CN201620445288.8U patent/CN205750988U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106599923A (en) * | 2016-12-16 | 2017-04-26 | 广州广电运通金融电子股份有限公司 | Detecting method and detecting device for stamped anti-counterfeiting characteristic |
| CN107293037A (en) * | 2017-06-29 | 2017-10-24 | 广州市银科电子有限公司 | Bill false distinguishing method and device based on anti-fake material spectral characteristic |
| CN114429690A (en) * | 2022-03-15 | 2022-05-03 | 温州铂芯电子科技有限公司 | Multispectral paper currency inspection device and currency counter |
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Effective date of registration: 20230816 Address after: 100084 a1604, 16th floor, building 8, yard 1, Zhongguancun East Road, Haidian District, Beijing Patentee after: New Shoreline (Beijing) Science and Technology Group Co.,Ltd. Address before: 100084, 16 floor, A building, Tsinghua Science and Technology Park, No. 1 Zhongguancun East Road, Beijing, Haidian District Patentee before: BEIJING NUFRONT DIGITAL IMAGE TECHNOLOGY Co.,Ltd. |