CN201974875U - Color change ink identification device, currency counter and currency detector - Google Patents
Color change ink identification device, currency counter and currency detector Download PDFInfo
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- CN201974875U CN201974875U CN2011200036749U CN201120003674U CN201974875U CN 201974875 U CN201974875 U CN 201974875U CN 2011200036749 U CN2011200036749 U CN 2011200036749U CN 201120003674 U CN201120003674 U CN 201120003674U CN 201974875 U CN201974875 U CN 201974875U
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Abstract
The utility model provides a color change ink identification device, which comprises a paper currency support plate, a driving device, an imaging lens, a photoelectric receiver, a first background light source, a second background light source and a controller. The paper currency support plate is used for supporting paper currencies; the driving device is used for driving the paper currencies to move forwards along the paper currency support plate; the imaging lens, the photoelectric receiver, the first background light source and the second background light source are positioned on one side of the surface of each paper currency to be detected; the imaging lens is opposite to the surface of each paper currency to be detected and used for imaging light reflected from the surface of each paper currency to be detected into the photoelectric receiver positioned in the rear of the imaging lens; output light of the first background light source and the second background light source enters the surface of each paper currency to be detected from two different inclination angles; and the controller is used for driving the first background light source and the second background light source to emit light alternately when the paper currencies pass the color change ink identification device along the paper currency support plate, so that the photoelectric receiver receives images obtained after the light entering from the two different inclination angles is reflected by the surface of each paper currency to be detected. The utility model further provides a currency counter and a currency detector which are provided with the color change ink identification device.
Description
Technical field
The utility model relates to currency truth identification field, relates in particular to a kind of color shifting ink recognition device and paper money counter and cash inspecting machine.
Background technology
Along with expanding economy, money flow is more and more frequent, and thing followed false making molecule is also more and more rampant.The counterfeit money of false making molecule utilization high-tech technology made is really true to life, and for example serial number is with the mechanism version counterfeit money of HD90 beginning etc.
The inventor is in the process of research guiding against false of paper currency, in the process that some regional printing ink on the discovery genuine note is observed under the angles with 20 degree-70 degree change, the color of pattern wherein or numeral can change, for example on the bank note of 100 yuan of face amounts, the color of " 100 " printed words when the observation of different angles in the positive lower left corner is different, and counterfeit money still can't imitate at present herein.
Based on such discovery, can manually rock the angle of bank note at present by the people, and the pattern color that looks from different perspectives by visual inspection bank note, judge the true and false of bank note according to this, but the method for this desk checking forge or true or paper money is very time-consuming and effort, especially the very frequent and large amounts of mechanism for money flows such as banks, the time and efforts that adopts this check system to spend can't allow.
The utility model content
The purpose of this utility model is to provide a kind of color shifting ink recognition device and paper money counter and cash inspecting machine, the true and false that can quick test bank note.
For achieving the above object, the utility model provides a kind of color shifting ink recognition device, comprising: be used to support the bank note back up pad of bank note, and be used to drive the drive unit that bank note moves forward along the bank note back up pad; Also comprise the imaging len, photelectric receiver, first background light source and second background light source that are positioned to be detected one side of bank note, wherein, imaging len is over against to be detected setting of bank note, be used for from the photoimaging of to be detected reflection of bank note to the photelectric receiver that is positioned at the imaging len rear; The output light of first background light source and second background light source incides from two different angles of inclination on to be detected of bank note; Also comprise a controller, be used at bank note along the bank note back up pad through out-of-date, drive first background light source and second background light source is luminous in turn, so that photelectric receiver receives the image that light by two differing tilt angles incidents obtains after through to be detected reflection of bank note.
Preferably, also comprise the image comparison module, be used to read two width of cloth images that photelectric receiver receives is obtained after through to be detected reflection of bank note by the light of two differing tilt angles incidents, and contrast the color distinction of two width of cloth images, judge the true and false of bank note with this.
Preferably, described imaging len, photelectric receiver, first background light source and second background light source all are positioned at the below of bank note back up pad, described bank note back up pad is that transparent material is made, and through out-of-date, to be detected towards the bank note back up pad from bank note back up pad top for bank note; The light of described first background light source and second background light source output through the refractive illumination of bank note back up pad to be detected of the bank note that is positioned at bank note back up pad top, pass through the refraction of bank note back up pad to be detected reflected light of bank note, and be imaged onto in the photelectric receiver by imaging len.
Preferably, described imaging len, photelectric receiver, first background light source and second background light source all are positioned at the top of bank note back up pad, and through out-of-date, its face to be detected is the bank note back up pad dorsad from the top of bank note back up pad for bank note.
Preferably, also comprise over against the setting of bank note back up pad be used to detect the infrared switch whether bank note arrives the bank note back up pad, when bank note arrives the bank note back up pad, described infrared switch to controller notice bank note through the bank note back up pad.
Preferably, described first background light source is visible light source, infrared light light source or ultraviolet source, and described second background light source is visible light source, infrared light light source or ultraviolet source.
Preferably, described first background light source and second background light source output light to bank note incident the angle of inclination be respectively 20 degree and 70 and spend.
On the other hand, the utility model also provides a kind of paper money counter, comprises above-mentioned color shifting ink recognition device, and wherein the bank note back up pad is arranged in money transmitting channel.
On the one hand, the utility model also provides a kind of cash inspecting machine, comprises above-mentioned color shifting ink recognition device again.
Color shifting ink recognition device that provides by the utility model embodiment and paper money counter and the cash inspecting machine color shifting ink on can quick identification bank note, and carry out true and false check successively.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the synoptic diagram of an embodiment of the color shifting ink recognition device that provides of the utility model;
Fig. 2 is the synoptic diagram of another embodiment of the color shifting ink recognition device that provides of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Main thought of the present utility model is to shine bank note from different perspectives by two background light sources, and utilizes a photelectric receiver to receive the image that this obtains after by different angles irradiations bank note, verifies the true and false of bank note with this.
Particularly, the color shifting ink recognition device that the utility model provides comprises that one is used to support the bank note back up pad of bank note, can drive bank note by drive unit and move forward along the bank note back up pad, and the one side that is printed on color shifting ink on the bank note is as to be detected of bank note.Side to be detected of bank note is provided with imaging len, photelectric receiver, first background light source and second background light source.Imaging len is over against to be detected setting of bank note, and photelectric receiver receives the image that is formed by imaging len.On first background light source and second background light source incide to be detected of bank note from two different angles respectively, controller is finished the Control work of whole device, controller at bank note along the bank note back up pad through out-of-date, drive first background light source and second background light source is luminous in turn, and receive the image that light by two differing tilt angles incidents obtains after through bank note reflection to be detected by photelectric receiver.Because controlling first background light source and second background light source at controller takes turns in the luminous process, bank note still advances in the effect lower edge of drive unit bank note back up pad, so in fact photelectric receiver receive is two resulting images of background light source staggered scanning bank note.
In practice, upper-lower position between bank note back up pad and miscellaneous part relation can be selected flexibly, below describes the concrete structure of the color shifting ink recognition device in the utility model in detail with two examples.
Fig. 1 is the synoptic diagram of an embodiment of the color shifting ink recognition device that provides of the utility model, as shown in Figure 1, this color shifting ink recognition device comprises a bank note back up pad 11, in the present embodiment, bank note 2 is passing through above bank note back up pad 11 under the driving of drive unit (not shown), and the to be detected of bank note 2 faces up, promptly back to bank note back up pad 11.
In the present embodiment, the miscellaneous part in the color shifting ink recognition device all is positioned at the top of bank note back up pad 11.Imaging len 14 that is to say over against bank note back up pad 11, when bank note 2 on the bank note back up pad 11 through out-of-date, imaging len 14 and bank note 2 to be detected over against.Photelectric receiver 15 is positioned at the rear of the light path of imaging len 14, and in the present embodiment, photelectric receiver 15 directly is imaged onto the photelectric receiver 15 through imaging len 14 from the light of to be detected reflection of bank note above imaging len 14.Because bank note 2 constantly travels forward in bank note back up pad 11,, just under the different prerequisite in photelectric receiver position, the face to be detected of bank note 2 is lined by line scan so 15 needs of the photelectric receiver in the present embodiment adopt line scan image sensor.
First background light source 12 and second background light source 13 are positioned at the top of bank note back up pad 11, the light of its output is respectively from two different angular illumination bank note back up pads 11, make that when bank note 2 passes through bank note back up pads 11 face to be detected of bank note 2 is subjected to two rayed of restrainting incident from different perspectives.
In addition, the color shifting ink recognition device in the present embodiment also comprises a controller (not shown), and this controller is used to control the course of work of whole device.Owing to only be provided with a photelectric receiver 15, therefore in order to make photelectric receiver 15 can receive and distinguish the image that forms behind from two angular illumination bank note 2 to be detected, first background light source 12 controlled by controller and second background light source 13 is luminous in turn, like this, photelectric receiver 15 also carries out in line by line the scanning imagery process the face to be detected of bank note 2, the scan images of adjacent two row are respectively that to be detected by the rayed bank note 2 of two different angles forms, and therefore are equivalent to photelectric receiver 15 interlacing and the illumination of same background light source output are mapped to the image that forms scans on the bank note 2.Synchronous by between control photelectric receiver 15 and first background light source 12 and second background light source 13 can be so that photelectric receiver 15 can be distinguished the formed image result of light that incides bank note 2 from each angle.In addition, controller can be controlled the line number of photelectric receiver 15 images acquired and the collection of every row is counted.
Need to prove, controller only just begins to drive first background light source 12 when bank note 2 process bank note back up pads 11 and second background light source 13 is luminous in turn, in practice, allow controller learn that bank note 2 begins through bank note back up pad 11 a variety of modes to be arranged, for example being used in bank note back up pad 11, an end of paper money is provided with an infrared switch, when this infrared switch arrives an end of bank note back up pad 11 at the front end of bank note, to the signal of controller notice bank note through bank note back up pad 11, controller begins to drive first background light source 12 and second background light source 13 is started working to trigger.
Controller in the present embodiment can be realized by sequential control circuit.First background light source 12 can be visible light source, infrared light light source or ultraviolet source, and second background light source 13 can be visible light source, infrared light light source or ultraviolet source.For 100 yuans color shifting ink identification of HD90 sequence number beginning, on the output light of first background light source 12 and second background light source 13 can be respectively incides to be detected of bank note from 20 degree and 70 angles of inclination of spending.
The image scanning information that is formed by photelectric receiver 15 can be utilized data interface circuit to transfer to data processing circuit and discern processing, the data of handling can be stored in the external data memory, check for calling, also can be sent to PC by data lines such as USB.Based on such consideration, color shifting ink recognition device in the present embodiment can also comprise the image comparison module, be used to read two width of cloth images that photelectric receiver 15 receives is obtained after through 2 to be detected reflections of bank note by the light of two differing tilt angles incidents, and contrast the color distinction of two width of cloth images, judge the true and false of bank note with this.
The color shifting ink recognition device that present embodiment provides can be realized the color shifting ink on the bank note is carried out automatically and identification apace, so that can realize the check of forge or true or paper money quickly.In addition, because the photelectric receiver in this device only needs line scan image sensor to realize, therefore the volume of device is littler, is convenient to install.
Fig. 2 shows the synoptic diagram of another embodiment of the color shifting ink recognition device that the utility model provides.As shown in Figure 2, this color shifting ink recognition device comprises a bank note back up pad 21, and in the present embodiment, bank note 2 is under the driving of drive unit, from the top process of bank note back up pad 21.Unlike the embodiment of FIG. 1 is that in the present embodiment, the to be detected of bank note 2 faces down, promptly over against bank note back up pad 21; And the miscellaneous part in the color shifting ink recognition device all is positioned at the below of bank note back up pad 21.Bank note back up pad 21 is made by transparent material.
Particularly, imaging len 24 is over against bank note back up pad 21, when bank note 2 on the bank note back up pad 11 through out-of-date, imaging len 24 and bank note 2 down to be detected over against.Photelectric receiver 25 is positioned at the rear of the light path of imaging len 24, in the present embodiment, photelectric receiver 25 is below imaging len 24, after the refraction of light through bank note back up pad 21 of to be detected reflection of bank note 2, incide imaging len 24, and be imaged onto in the photelectric receiver 25 by imaging len 24.Similar with the embodiment among Fig. 1, photelectric receiver 25 in the present embodiment also only needs to adopt line scan image sensor, in the process that bank note 2 moves forward along bank note back up pad 21, under the motionless prerequisite in photelectric receiver 25 positions, the face to be detected of bank note 2 is lined by line scan.
First background light source 22 and second background light source 23 are positioned at the below of bank note back up pad 21, the lower surfaces of light from two different angular illumination to bank note back up pad 21 of two background light sources output, and finally shine through the refraction of bank note back up pad 21 on to be detected of the bank note 2 that is positioned at bank note back up pad 21 tops.
This shows that the device in the present embodiment only is with the different of device among Fig. 1: the light of background light source output and all need refraction through bank note back up pad 21 from the light of note surface reflected back.In addition, also controller, image comparison module and infrared switch can be set in the present embodiment, the function of the corresponding device in the device among these devices and Fig. 1 is identical, repeats no more here.
In addition, another embodiment of the present utility model also provides a kind of paper money counter, and this paper money counter comprises the color shifting ink recognition device of describing among above-mentioned each embodiment, and bank note back up pad wherein is arranged in the money transmitting channel of paper money counter.Bank note is passed by behind the money transmitting channel of paper money counter, has not only finished the counting function that paper money counter had originally, and through wherein bank note back up pad the time, has finished the color shifting ink identification on the bank note, can directly distinguish the true and false of bank note according to this.
In addition, another embodiment of the present utility model also provides a kind of cash inspecting machine, and this cash inspecting machine comprises the color shifting ink recognition device of describing among above-mentioned each embodiment, so this cash inspecting machine can be tested to the true and false of bank note by the color shifting ink recognition technology.
Except that paper money counter and cash inspecting machine that above-mentioned two kinds of embodiment provide, other embodiment of the present utility model can also provide financial machine and tool products such as paper currency sorter, ATM, the above-mentioned color shifting ink recognition device that the utility model provides also can be set in the false distinguishing module of these products, make these facility products to carry out false distinguishing the color shifting ink true and false of bank note.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. a color shifting ink recognition device is characterized in that, comprising: be used to support the bank note back up pad of bank note, and be used to drive the drive unit that bank note moves forward along the bank note back up pad; Also comprise the imaging len, photelectric receiver, first background light source and second background light source that are positioned to be detected one side of bank note, wherein, imaging len is over against to be detected setting of bank note, be used for from the photoimaging of to be detected reflection of bank note to the photelectric receiver that is positioned at the imaging len rear; The output light of first background light source and second background light source incides from two different angles of inclination on to be detected of bank note; Also comprise a controller, be used at bank note along the bank note back up pad through out-of-date, drive first background light source and second background light source is luminous in turn, so that photelectric receiver receives the image that light by two differing tilt angles incidents obtains after through to be detected reflection of bank note.
2. color shifting ink recognition device according to claim 1, it is characterized in that, also comprise the image comparison module, be used to read two width of cloth images that photelectric receiver receives is obtained after through to be detected reflection of bank note by the light of two differing tilt angles incidents, and contrast the color distinction of two width of cloth images, judge the true and false of bank note with this.
3. color shifting ink recognition device according to claim 1, it is characterized in that, described imaging len, photelectric receiver, first background light source and second background light source all are positioned at the below of bank note back up pad, described bank note back up pad is that transparent material is made, through out-of-date, to be detected towards the bank note back up pad from bank note back up pad top for bank note; The light of described first background light source and second background light source output through the refractive illumination of bank note back up pad to be detected of the bank note that is positioned at bank note back up pad top, pass through the refraction of bank note back up pad to be detected reflected light of bank note, and be imaged onto in the photelectric receiver by imaging len.
4. color shifting ink recognition device according to claim 1, it is characterized in that, described imaging len, photelectric receiver, first background light source and second background light source all are positioned at the top of bank note back up pad, and through out-of-date, its face to be detected is the bank note back up pad dorsad from the top of bank note back up pad for bank note.
5. according to any described color shifting ink recognition device in the claim 1 to 4, it is characterized in that, also comprise and be used to detect the infrared switch whether bank note arrives the bank note back up pad over against the setting of bank note back up pad, when bank note arrived the bank note back up pad, described infrared switch was to controller notice bank note process bank note back up pad.
6. according to any described color shifting ink recognition device in the claim 1 to 4, it is characterized in that, described first background light source is visible light source, infrared light light source or ultraviolet source, and described second background light source is visible light source, infrared light light source or ultraviolet source.
7. according to any described color shifting ink recognition device in the claim 1 to 4, it is characterized in that, described first background light source and second background light source output light to bank note incident the angle of inclination be respectively 20 degree and 70 and spend.
8. a paper money counter is characterized in that, comprises that wherein the bank note back up pad is arranged in money transmitting channel as any described color shifting ink recognition device in the claim 1 to 7.
9. a cash inspecting machine is characterized in that, comprises as any described color shifting ink recognition device in the claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200036749U CN201974875U (en) | 2011-01-07 | 2011-01-07 | Color change ink identification device, currency counter and currency detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200036749U CN201974875U (en) | 2011-01-07 | 2011-01-07 | Color change ink identification device, currency counter and currency detector |
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| Publication Number | Publication Date |
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| CN201974875U true CN201974875U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200036749U Expired - Lifetime CN201974875U (en) | 2011-01-07 | 2011-01-07 | Color change ink identification device, currency counter and currency detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034296A (en) * | 2011-01-07 | 2011-04-27 | 张文峰 | Sympathetic ink recognition device, currency counter and currency detector |
| CN102999964A (en) * | 2011-09-16 | 2013-03-27 | 谭伟基 | Variable ink recognition device and banknote discriminating device |
-
2011
- 2011-01-07 CN CN2011200036749U patent/CN201974875U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034296A (en) * | 2011-01-07 | 2011-04-27 | 张文峰 | Sympathetic ink recognition device, currency counter and currency detector |
| CN102999964A (en) * | 2011-09-16 | 2013-03-27 | 谭伟基 | Variable ink recognition device and banknote discriminating device |
| CN102999964B (en) * | 2011-09-16 | 2015-02-11 | 谭伟基 | Variable ink recognition device and banknote discriminating device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110914 Effective date of abandoning: 20130227 |
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| RGAV | Abandon patent right to avoid regrant |