CN110379065B - Banknote, ticket discriminating optics, apparatus, device and method - Google Patents
Banknote, ticket discriminating optics, apparatus, device and method Download PDFInfo
- Publication number
- CN110379065B CN110379065B CN201910492849.8A CN201910492849A CN110379065B CN 110379065 B CN110379065 B CN 110379065B CN 201910492849 A CN201910492849 A CN 201910492849A CN 110379065 B CN110379065 B CN 110379065B
- Authority
- CN
- China
- Prior art keywords
- light
- refraction
- refraction structure
- detected
- same
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims abstract description 57
- 238000001514 detection method Methods 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
- G07D7/12—Visible light, infrared or ultraviolet radiation
Abstract
The invention discloses an optical device, a device, equipment and a method for identifying paper money and tickets, and relates to the technical field of authenticity identification of paper money. The optical device comprises a first refraction structure, a second refraction structure and a medium channel to be detected. The apparatus of the present invention includes a banknote, ticket discriminating optics, at least two light emitting sources of different wavelengths and a first sensor. The apparatus of the present invention includes a banknote, a ticket validator, and a processor. The method comprises the steps that light with different wavelengths emitted from at least two different positions is refracted for the first time and then collected at the same detection point; the refracted light is reflected by a medium to be detected at the detection point and then refracted for the second time; and receiving the light after the second refraction. The invention can solve the technical problems of complex structure, dispersion and poor system stability and reliability of the judging device of the paper money image characteristics in the prior art.
Description
Technical Field
The invention relates to the technical field of banknote authenticity identification, in particular to an optical device, a device, equipment and a method for identifying banknotes and tickets.
Background
With the development of science and technology, in order to meet the requirements of convenience and rapidness of people, vending machines, money exchange machines, deposit machines and the like are arranged in many public places at present, so that the configuration of human resources is greatly saved. However, counterfeit bills are abused, and the demand for the ability to discriminate the authenticity of bills is increasing. In order to improve the capability of discriminating the authenticity of a banknote, various devices for determining the image characteristics of the banknote have been developed by the related manufacturers, such as: the infrared light is used for irradiating the paper money, and the light flux information is obtained through a photoelectric sensor. However, in the prior art, due to the limitation of the optical path structure and the arrangement of the sensors, the structure of the device is complex and dispersed, and the stability and reliability of the system are poor.
Disclosure of Invention
In view of the above, the present invention provides an optical device, an apparatus, a device and a method for discriminating paper money and tickets, so as to solve the technical problems of complex structure, dispersion and poor system stability and reliability of the device for judging paper money image characteristics in the prior art.
In a first aspect, the present invention provides an optical device for banknote and ticket authentication, where the optical device includes a first refraction structure, a second refraction structure, and a medium channel to be detected, where the first refraction structure is configured to refract light beams with different wavelengths incident from at least two different incidence points to a same detection point in the medium channel to be detected, and reflect the refracted light beam by a medium to be detected at the detection point, and refract the reflected light beam to a same reflected light receiving position through the second refraction structure.
Preferably, the optical device for discriminating paper money and tickets further comprises a third refraction structure, a part of the light refracted by the first refraction structure is reflected by the medium to be detected at the same detection point, and the other part of the light is transmitted through the medium to be detected, and the third refraction structure is used for refracting the light transmitted through the medium to be detected at the same detection point to the same transmitted light receiving position.
Preferably, the incident point, the reflected light receiving position and the transmitted light receiving position are located on the same plane.
Preferably, optical device still includes the transparent plate that two symmetries set up, space between two transparent plates forms wait to detect the medium passageway, first refraction structure and second refraction structure set up on the transparent plate, be provided with the piece that hides of a pair of "L" type leaded light strip and a pair of "U" type on every transparent plate, the opening one end of the piece that hides of "U" type is towards "L" type leaded light strip, first refraction structure includes the same first plane of refraction with incident light quantity, and an incident light corresponds a first plane of refraction, second refraction structure is the second plane of refraction, third refraction structure is the third plane of refraction.
Preferably, the reflected light receiving position and the transmitted light receiving position are respectively located on two sides of the medium channel to be detected.
In a second aspect, the invention provides an optical device for banknote and ticket discrimination, the optical device includes a first refraction structure, a third refraction structure and a medium channel to be detected, the first refraction structure is used for refracting light rays with different wavelengths incident from at least two different incidence points to a same detection point in the medium channel to be detected, and after the detection point is transmitted by the medium to be detected, the detection point is refracted to a same transmission light receiving position by the third refraction structure.
In a third aspect, the present invention provides a banknote and ticket validator comprising:
banknote, ticket discriminating optics of the first or second aspect;
at least two light-emitting sources of different wavelengths;
a first sensor;
the light emitted by each light emitting source is reflected by the medium to be detected after being refracted by the first refraction structure, and the reflected light is received by the first sensor after being refracted by the second refraction structure.
Preferably, the banknote and ticket discriminating device further comprises a second sensor and a third refraction structure, after the light emitted by each light emitting source is refracted to the same detection point by the first refraction structure, one part of the light is reflected by the medium to be detected, the other part of the light is transmitted by the medium to be detected, and the transmitted light is refracted by the third refraction structure and then received by the second sensor.
Preferably, the first sensor, the second sensor and all the light sources are located on the same mounting surface of the same substrate.
In a fourth aspect, the present invention provides a banknote, ticket validator comprising:
the banknote and ticket validator according to the second aspect;
a processor;
the processor is used for carrying out the identification processing of paper money and tickets according to the signals collected by the first sensor.
In a fifth aspect, the present invention provides a method for discriminating paper money and tickets, comprising the following steps:
s1, acquiring an identification detection instruction;
s2, controlling at least two light-emitting units at different positions to emit light with different wavelengths into the optical device according to the obtained identification detection instruction, enabling the incident light with different wavelengths to be refracted by a first refraction structure of the optical device and then converged at the same detection point, reflecting one part of the light refracted by the first refraction structure by a medium to be detected at the detection point, transmitting the other part of the light by the medium to be detected, refracting the reflected light by a second refraction structure of the optical device, and transmitting the transmitted light by a third transmission structure;
s3, the first sensor receives the reflected light with different wavelengths refracted by the first refraction structure, the second sensor receives the refracted light with different wavelengths refracted by the third refraction structure, and the first sensor and the second sensor generate corresponding electric signals according to the received light;
and S4, discriminating the paper currency and the ticket according to the generated electric signal.
Has the advantages that: the invention relates to a banknote and ticket discriminating optical device, a device, equipment and a method, which utilize a first refraction structure to refract optical path angles of a plurality of luminous sources to the same measured point, and then the light reflected by a medium to be detected is refracted to the same reflected light receiving position by a second refraction structure. Therefore, the paper money can be irradiated by adopting a plurality of light emitting sources with different wavelengths, the image information of the same position of the paper money is acquired by utilizing the light rays with different wavelengths, the effective information quantity of the acquisition is increased, and the reliability of the paper money detection can be improved. And because the light rays of a plurality of luminous sources are collected by the same sensor after being converged at one point and refracted to the same reflected light receiving position, the light rays of a plurality of light sources are not required to be collected by a plurality of sensors, the light path structure is greatly simplified, and the stability of paper money detection is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a reflection optical path diagram of the banknote and ticket discriminating optical device according to embodiment 1 of the present invention.
Fig. 2 is a transmission optical path diagram of the banknote and ticket discriminating optical device in embodiment 2 of the present invention.
FIG. 3 is a schematic diagram of the overall structure of the bill/ticket validator according to the invention.
Fig. 4 is a reflection optical path diagram of the banknote and ticket discriminator according to embodiment 7 of the present invention.
Fig. 5 is a schematic partial structure diagram of a banknote and ticket discriminator according to embodiment 8 of the present invention.
FIG. 6 is a transmission optical path diagram of a banknote and ticket validator according to embodiment 8 of the present invention.
FIG. 7 is a schematic diagram of the overall optical path of the banknote and ticket discriminating optics of the present invention.
FIG. 8 is a flowchart of a method of embodiment 11 of the present invention.
Part name and number in the figure: the device comprises a first refraction structure 1, a second refraction structure 2, a medium to be detected 3, a first sensor 4, an 'L' -shaped light guide strip 5, a second sensor 6, a medium channel to be detected 7, a third refraction structure 8, a light emitting source 9 and an auxiliary incidence surface 10.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Example 1
Referring to fig. 1, the present embodiment provides an optical device for banknote and ticket authentication, which includes a first refractive structure 1, a second refractive structure 2, and a medium passage 7 to be detected. When the paper money is detected, the paper money is placed in the medium channel 7 to be detected. A plurality of light-emitting sources 9 of different wavelengths are provided at different positions during detection. The light from the light source 9 enters the banknote/ticket discriminating optics at different locations. The light emitted by different light emitting sources 9 is refracted by the first refraction structure 1 and then collected to the same detection point in the medium channel 7 to be detected. The point is located at the position of the image to be acquired on the banknote during detection. Then a part of the light is reflected by the paper money at the detection point, the light reflected by each light emitting source 9 is reflected to the same reflected light receiving position by the second refraction structure 2 and then is received by the corresponding sensor at the position, the received light signals are converted into electric signals, and the electric signals are compared with standard information stored in the system according to the collected signals, so that the currency and the authenticity of the paper money are identified. Wherein the refraction angle of the first refraction structure 1 is determined by the angle of incidence of the light source 9, the position and the position of the detection point.
The banknote and ticket discriminating optical device uses the first refraction structure 1 to refract the optical path angles of a plurality of light-emitting sources 9 to the same measured point, and then reflects the light to the same reflected light receiving position through the second refraction structure 2 after being reflected by the medium 3 to be detected. Therefore, the light sources 9 with different wavelengths can be adopted to irradiate the paper money, so that the image information of the same position of the paper money is acquired by utilizing the light rays with different wavelengths, the effective information amount of the acquisition is increased, and the reliability of the paper money detection can be improved. And because the light of a plurality of light emitting sources 9 is collected by the same sensor after being converged at one point and refracted to the same reflected light receiving position, the light of a plurality of light emitting sources 9 with different wavelengths is not required to be collected by a plurality of sensors, the light path structure is greatly simplified, and the stability of the authenticity identification of the paper money is higher.
The number of the first refraction structures 1 can be set according to the number of the light sources, so as to form a light path for converging the multi-path light after being refracted.
Example 2
As shown in fig. 2 and 7, the present embodiment is a preferred embodiment of embodiment 1. In the banknote and ticket discriminating optical device of this embodiment, a third refraction structure 8 is added on the basis of embodiment 1, and the third refraction structure 8 is used for refracting light transmitted through the medium to be detected 3 at the same detection point to the same transmitted light receiving position. Thus the light emitted by the same light emitting source 9 onto all banknotes is split into two portions. One of which is reflected light, collected by the first sensor 4, and a second of which is transmitted through the banknote. The transmitted light and the reflected light are collected by different sensors, so that the authenticity of the paper money can be identified by simultaneously utilizing the reflected light information and the transmitted light information of the same position of the paper money, and the reliability of authenticity identification is greatly improved. Meanwhile, the transmitted light of the light sources with different wavelengths is refracted to the same transmitted light receiving position through the third refraction structure 8, the transmitted light is collected by the same sensor at the receiving position, the transmitted light of the light sources is not required to be collected by the sensors respectively, the light path structure is greatly simplified, the light path structure can receive different transmitted and reflected light information simultaneously, the light path structure and the light source with different wavelengths can receive different transmitted and reflected light information simultaneously, and the paper currency authenticity identification stability is higher. The first refraction structure, the second refraction structure and the third refraction structure can be lenses or refraction surfaces.
Example 3
This embodiment is a preferred embodiment of embodiment 2. In the present embodiment, the reflected light reception position and the transmitted light reception position are located on the same plane due to the incident point. The first sensor 4 for collecting the reflected light at the reflected light receiving position, the second sensor 6 for receiving the transmitted light at the transmitted light receiving position, and the light emitting sources 9 of the respective wavelengths may be mounted on the same substrate, which may make the structure of the relevant parts more simple and compact, and also reduce the difficulty of manufacturing.
Example 4
The present embodiment is a preferred embodiment of embodiment 1, as shown in fig. 1 and fig. 3, in the present embodiment, the optical device further includes two transparent plates symmetrically disposed, a gap between the two transparent plates forms the medium channel 7 to be detected, the first refraction structure 1 and the second refraction structure 2 are disposed on the transparent plates, each transparent plate is provided with a pair of "L" shaped light guide strips 5 and a pair of "U" shaped light guide strips, one end of an opening of the "U" shaped light guide strips faces the "L" shaped light guide strips 5, the first refraction structure 1 includes first refraction surfaces having the same number as that of incident light, and one incident light corresponds to one first refraction surface, the second refraction structure 2 is a second refraction surface, and the third refraction structure 8 is a third refraction surface. The refraction structure in the embodiment adopts a refraction surface form, so that the structure is simpler, and the processing is more convenient. The optical device of the present embodiment can be obtained by cutting a corresponding refracting surface from a transparent plastic member. Wherein "L" type leaded light strip 5 makes detection light propagate along its leaded light route, "U" type shading spare makes detection light seal in optical device, prevents to produce the phenomenon of light leak.
The first refractive structure 1 further comprises an entrance face and a secondary refractive face 10 for mating with the first refractive face, the secondary refractive face 10 and the first refractive face being connected by the entrance face. Wherein light from the light source enters the optical device from the entrance face. The sub-refractive surface 10 is used for fine adjustment of the refraction angle of the light on the basis of the first refractive surface. When the light refracted by the first refraction surface does not accurately fall on the same detection point, the auxiliary refraction surface 10 can be processed, and the angle of the refracted light can be accurately adjusted within a small range by adjusting the normal direction of the auxiliary refraction surface 10, so that the light can finally accurately fall on the same detection point after being refracted.
Example 5
This embodiment is a preferred embodiment of embodiment 2, and the reflected light receiving position and the transmitted light receiving position are respectively located on both sides of the medium passage 7 to be detected in this embodiment. Thus, the sensor for collecting the reflected light and the sensor for collecting the transmitted light can be arranged on two sides of the medium channel 7 to be detected, so that the whole structure is more compact. The above structures can be simply integrated on an optical plastic part to significantly improve the reliability and assembly cost of the system.
Example 6
As shown in fig. 2, the present embodiment provides an optical device for banknote and ticket discrimination, where the optical device includes a first refraction structure 1, a third refraction structure 8, and a medium channel 7 to be detected, where the first refraction structure 1 is configured to refract light beams with different wavelengths incident from at least two different incidence points to a same detection point in the medium channel 7 to be detected, and refract the detection point to a same transmission light receiving position through the third refraction structure 8 after the detection point is transmitted through the medium 3 to be detected. The optical device for discriminating the paper money and the ticket utilizes the first refraction structure 1 to fold the optical path angles of the plurality of light-emitting sources 9 to the same measured point, and then the optical path angles are reflected by the medium to be detected 3 and then are refracted to the same transmitted light receiving position by the third refraction structure 2. Therefore, the light sources 9 with different wavelengths can be adopted to irradiate the paper money, so that the image information of the same position of the paper money is acquired by utilizing the light rays with different wavelengths, the effective information quantity of the acquisition is increased, and the reliability of the paper money detection can be improved. And because the light rays of the plurality of luminous sources 9 are collected by the same sensor after being converged at one point and transmitted to the same transmission light receiving position, the light rays of the plurality of luminous sources 9 are not required to be collected by the plurality of sensors respectively, the light path structure is greatly simplified, and the stability of the authenticity identification of the paper money is higher.
Example 7
As shown in fig. 3 and 4, the present embodiment provides a banknote and ticket validator, comprising: banknote and ticket discriminating optics of the first aspect, at least two light emitting sources 9 of different wavelengths and a first sensor 4. Wherein the light emitting source 9 may be a light emitting diode, or may be other types of light sources such as a laser light source, etc. The light emitted by each light emitting source 9 is reflected by the first refraction structure 1 and then reflected by the paper money or paper money and ticket waiting detection medium 3, and the reflected light is refracted by the second refraction structure 2 and then received by the first sensor 4.
In this embodiment, the first refraction structure 1 of the banknote and ticket discriminating optical device is used to refract the optical path angles of the light sources 9 with different wavelengths to the same measured point, and then the reflected light is reflected by the medium to be detected 3, refracted by the second refraction structure 2 to the same reflected light receiving position, and received by the same first sensor 4. Therefore, the light sources 9 with different wavelengths can be adopted to irradiate the paper money, so that the image information of the same position of the paper money is acquired by utilizing the light rays with different wavelengths, the effective information quantity of the acquisition is increased, and the reliability of the paper money detection can be improved. And because the light rays of the light-emitting sources 9 are collected by the same sensor after being converged at one point and then refracted to the same reflected light receiving position, the light rays of the light sources are not required to be collected by a plurality of sensors respectively, the light path structure is greatly simplified, and the authenticity identification stability of the paper money is higher.
Example 8
As shown in fig. 5 and 6, the banknote and ticket discriminator according to this embodiment further includes a second sensor 6 and a third refraction structure 8 on the basis of embodiment 6, wherein a part of the light emitted from the light source 9 is reflected by the medium to be detected 3 after being refracted by the first refraction structure 1, another part of the light is transmitted by the medium to be detected 3, and the transmitted light is received by the third sensor after being refracted by the third refraction structure 8.
The third refraction structure 8 in this embodiment is used to refract the light transmitted through the medium to be detected 3 at the same detection point to the same transmitted light receiving position. Thus the light emitted by the same light emitting source 9 onto all banknotes is split into two portions. One of which is reflected light, collected by the first sensor 4, and a second of which is transmitted through the banknote. The transmitted light and the reflected light are collected by different sensors, so that the authenticity of the paper money can be identified by simultaneously utilizing the reflected light information and the transmitted light information of the same position of the paper money, and the reliability of authenticity identification is greatly improved. Meanwhile, the transmitted light of the light sources with different wavelengths is refracted to the same transmitted light receiving position through the third refraction structure 8 and is collected by the same sensor, so that the transmitted light of the light sources is not required to be collected by the sensors, the light path structure is greatly simplified, and the stability of true and false identification of the paper money is higher.
Example 9
The banknote and ticket discriminator of the present embodiment is optimized based on embodiment 6, because the optical path is turned according to the scheme of the previous embodiment, so that the first sensor 4, the second sensor 6 and the light source 9 can be located on the same substrate, that is, all the optoelectronic components such as the light emitting tube and the sensor can be placed on the same plate for production and processing; therefore, the structure and the number of related parts such as the substrate and the like can be reduced, the structure is simpler and more compact, the difficulty of production and processing is reduced, and the reliability of the system is improved.
Example 10
The embodiment provides a banknote and ticket discriminating device, which comprises a processor;
a memory storing a segment of program instructions;
the processor calls the program instructions stored in the memory to control the paper currency and ticket discriminating device to perform the discrimination processing of the paper currency and the ticket. The identification processing of the paper money and the ticket comprises identification of the type of the paper money and the ticket and identification of authenticity of the paper money and the ticket. The specific identification processing method is the prior art, for example, the collected whole line of optical track characteristic information can be compared with the standard information stored in the system, so that the currency and the authenticity of the paper money can be identified. The data interface of the first sensor 4 is connected with the data interface of the processor, so that the data collected by the first sensor 4 is transmitted to the processor for processing.
Example 11
As shown in fig. 8, the present embodiment provides a method for identifying paper money and tickets, comprising the following steps:
s1, acquiring an identification detection instruction;
s2, controlling at least two light-emitting units at different positions to emit light with different wavelengths into the optical device according to the obtained identification detection instruction, enabling the incident light with different wavelengths to be refracted by a first refraction structure 1 of the optical device and then converged at the same detection point, reflecting one part of the light refracted by the first refraction structure 1 by a medium to be detected 3 at the detection point, transmitting the other part of the light by the medium to be detected 3, refracting the reflected light by a second refraction structure 2 of the optical device, and transmitting the transmitted light by a third transmission structure;
s3, the first sensor 4 receives the reflected light with different wavelengths refracted by the first refraction structure, the second sensor 6 receives the refracted light with different wavelengths refracted by the third refraction structure 8, and the first sensor 4 and the second sensor 6 generate corresponding electric signals according to the received light.
By adopting the method of the embodiment, the paper money can be irradiated by adopting the light sources 9 with different wavelengths, and the image information of the same position of the paper money is acquired by utilizing the light rays with different wavelengths, so that the effective information quantity of the acquisition is increased, and the reliability of the paper money detection can be improved. And because the light rays of the plurality of luminous sources 9 are collected by the same sensor after being converged at one point and refracted to the same reflected light receiving position, the light rays of the plurality of light sources are not required to be collected by the plurality of sensors, the light path structure is greatly simplified, and the stability of the paper money detection is higher. The apparatus for carrying out the process and the process can be seen in examples 6 to 9. In addition, after the light refracted for the first time is transmitted through the medium 3 to be detected, the light is refracted to the same position and collected by the same sensor. The light thus applied to the same image position of the banknote is divided into two portions, one of which is reflected light and is picked up by the first sensor 4 and the second of which is transmitted light through the banknote. The transmitted light and the reflected light are collected by different sensors at different positions, and the collected reflected light can be corrected by using the collected transmitted light. Therefore, the authenticity of the paper money can be identified by simultaneously utilizing the reflected light information and the transmitted light information of the same position of the paper money, and the reliability of authenticity identification is greatly improved. Meanwhile, as the transmission light of the light sources with different wavelengths is refracted to the same transmission light receiving position through the third refraction structure 8 and is collected by the same sensor, the transmission light of the light sources is not required to be collected by the sensors, the light path structure is greatly simplified, and the stability of true and false identification of the paper money is higher.
The controller in the foregoing may include a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits that may be configured to implement embodiments of the present invention.
It is to be understood that the invention is not limited to the specific arrangements and instrumentality described above and shown in the drawings. A detailed description of known methods is omitted herein for the sake of brevity. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present invention are not limited to the specific steps described and illustrated, and those skilled in the art can make various changes, modifications and additions or change the order between the steps after comprehending the spirit of the present invention.
It should also be noted that the exemplary embodiments mentioned in this patent describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be performed in an order different from the order in the embodiments, or may be performed simultaneously.
As described above, only the specific embodiments of the present invention are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention.
Claims (11)
1. The optical device for discriminating paper money and tickets is characterized in that: the optical device comprises a first refraction structure, a second refraction structure and a medium channel to be detected, wherein the first refraction structure is used for refracting light rays with different wavelengths incident from at least two different incidence points to the same detection point in the medium channel to be detected, the refracted light rays are reflected by the medium to be detected at the detection point, the reflected light rays are refracted to the same reflected light receiving position through the second refraction structure, the first refraction structure comprises first refraction surfaces with the same quantity as the incident light rays, one incident light corresponds to one first refraction surface, the first refraction structure also comprises auxiliary refraction surfaces matched with the first refraction surfaces, the auxiliary refraction surfaces are used for finely adjusting the light rays on the basis of the first refraction surfaces, the light rays of a plurality of luminous sources are converged at one point, and the light rays reflected by each luminous source are received by a corresponding sensor at the position after being refracted to the same reflected light receiving position through the second refraction structure, the received optical signal is converted into an electric signal, and the electric signal is compared with standard information stored in the system according to the collected signal, so that the currency and the authenticity of the paper money are identified.
2. The banknote, ticket discriminating optical device of claim 1 wherein: the light rays refracted by the first refraction structure are partially reflected by the medium to be detected at the same detection point, the other part of the light rays is transmitted by the medium to be detected, and the third refraction structure is used for refracting the transmitted light rays to the same transmitted light receiving position.
3. The banknote, ticket discriminating optical device of claim 2 wherein: the incident point, the reflected light receiving position and the transmitted light receiving position are located on the same plane.
4. The banknote, ticket discriminating optical device of claim 2 wherein: the optical device further comprises two transparent plates which are symmetrically arranged, a gap between the two transparent plates is formed between the two transparent plates, the medium channel to be detected is arranged, the first refraction structure and the second refraction structure are arranged on the transparent plates, a pair of L-shaped light guide strips and a pair of U-shaped light guide pieces are arranged on each transparent plate, one end of each U-shaped light guide piece is opened towards the L-shaped light guide strips, the second refraction structure is a second refraction surface, and the third refraction structure is a third refraction surface.
5. The banknote, ticket discriminating optical device of claim 2 wherein: and the reflected light receiving position and the transmitted light receiving position are respectively positioned at two sides of the medium channel to be detected.
6. The optical device for discriminating paper money and tickets is characterized in that: the optical device comprises a first refraction structure, a third refraction structure and a medium channel to be detected, wherein the first refraction structure is used for refracting light rays with different wavelengths incident from at least two different incidence points to the same detection point in the medium channel to be detected, and refracting the light rays to the same transmission light receiving position through the third refraction structure after the detection point is transmitted by a medium to be detected, the first refraction structure comprises a first refraction surface which is the same with the incident light quantity, one incident light corresponds to one first refraction surface, the first refraction structure further comprises an auxiliary refraction surface which is matched with the first refraction surface in use, and the auxiliary refraction surface is used for finely adjusting the light rays on the basis of the first refraction surface.
7. A banknote/ticket validator comprising:
banknote, ticket discriminating optics as claimed in any one of claims 1 to 5;
at least two light-emitting sources of different wavelengths;
a first sensor;
the light emitted by each light emitting source is reflected by the medium to be detected after being refracted by the first refraction structure, and the reflected light is received by the first sensor after being refracted by the second refraction structure.
8. The banknote and ticket validator as claimed in claim 7, further comprising a second sensor and a third refraction structure, wherein the light emitted from each of the light emitting sources is refracted by the first refraction structure to a same detection point, one part of the light is reflected by the medium to be detected, the other part of the light is transmitted by the medium to be detected, and the transmitted light is refracted by the third refraction structure and received by the second sensor.
9. The banknote, ticket validator as claimed in claim 7 wherein: the first sensor, the second sensor and all the light-emitting sources are positioned on the same mounting surface of the same substrate.
10. Banknote, ticket discriminator apparatus, characterized by comprising:
a banknote, ticket validator as claimed in any one of claims 7 to 8;
a processor;
a memory storing a segment of program instructions;
the processor calls the program instructions stored in the memory to control the paper currency and ticket discriminating device to perform the discrimination processing of the paper currency and the ticket.
11. The method for identifying the paper currency and the ticket is characterized by comprising the following steps of:
s1, acquiring an identification detection instruction;
s2, controlling at least two light-emitting units at different positions to emit light with different wavelengths into the optical device according to the obtained identification detection instruction, enabling the incident light with different wavelengths to be refracted by a first refraction structure of the optical device and then converged at the same detection point, reflecting one part of the light refracted by the first refraction structure by a medium to be detected at the detection point, transmitting the other part of the light by the medium to be detected, refracting the reflected light by a second refraction structure of the optical device, and refracting the transmitted light by a third refraction structure; the first refraction structure comprises first refraction surfaces with the same quantity as the incident light, one incident light corresponds to one first refraction surface, the first refraction structure also comprises an auxiliary refraction surface matched with the first refraction surface, and the auxiliary refraction surface is used for finely adjusting the light on the basis of the first refraction surface;
s3, receiving the light signals with different wavelengths after the second refraction by using the same sensor, and generating corresponding electric signals according to the light signals;
and S4, performing identification processing on the paper currency and the ticket according to the generated electric signals, wherein the identification processing comprises the step of comparing the acquired signals with standard information stored in a system so as to identify the currency and the authenticity of the paper currency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910492849.8A CN110379065B (en) | 2019-06-06 | 2019-06-06 | Banknote, ticket discriminating optics, apparatus, device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910492849.8A CN110379065B (en) | 2019-06-06 | 2019-06-06 | Banknote, ticket discriminating optics, apparatus, device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110379065A CN110379065A (en) | 2019-10-25 |
| CN110379065B true CN110379065B (en) | 2022-06-10 |
Family
ID=68249971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910492849.8A Active CN110379065B (en) | 2019-06-06 | 2019-06-06 | Banknote, ticket discriminating optics, apparatus, device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110379065B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423800A (en) * | 2000-01-21 | 2003-06-11 | 福来克斯产品公司 | Automated verification system and methods for use with optical interference devices |
| CN102034296A (en) * | 2011-01-07 | 2011-04-27 | 张文峰 | Sympathetic ink recognition device, currency counter and currency detector |
| JP2016034698A (en) * | 2014-08-01 | 2016-03-17 | 独立行政法人 国立印刷局 | Glossy pattern forming body |
| CN106463010A (en) * | 2014-05-22 | 2017-02-22 | 光荣株式会社 | Fluorescence/phosphorescence detection device |
| CN107767532A (en) * | 2016-08-18 | 2018-03-06 | 北京新岸线软件科技有限公司 | Realize and become the apparatus and method that pattern carries out anti-counterfeiting detection to banknote brilliance light |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3604549B2 (en) * | 1997-12-12 | 2004-12-22 | グローリー工業株式会社 | Paper sheet foreign matter detection device |
| US8433124B2 (en) * | 2010-01-07 | 2013-04-30 | De La Rue North America Inc. | Systems and methods for detecting an optically variable material |
| CN102155915B (en) * | 2010-12-31 | 2013-01-23 | 东莞科视自动化科技有限公司 | Online multi-band optical size detection method and system |
| CN202433976U (en) * | 2012-02-13 | 2012-09-12 | 北京新岸线数字图像技术有限公司 | Multi-angle image acquisition device and multi-angle optical characteristic detection equipment |
| CN203562040U (en) * | 2013-10-23 | 2014-04-23 | 吉鸿电子股份有限公司 | Valuable file receiving device |
| CN203941566U (en) * | 2014-06-16 | 2014-11-12 | 东方通信股份有限公司 | A kind of incorgruous light digital image collecting device |
| CN104464076A (en) * | 2014-10-28 | 2015-03-25 | 东方通信股份有限公司 | Contact type digital image acquisition device |
| CN106296973B (en) * | 2015-05-15 | 2019-02-26 | 山东新北洋信息技术股份有限公司 | Paper currency detecting method and bank note treatment device |
| CN204615912U (en) * | 2015-05-22 | 2015-09-02 | 山东新北洋信息技术股份有限公司 | Imageing sensor and use the bank note treatment device of this imageing sensor |
| CN205123844U (en) * | 2015-11-23 | 2016-03-30 | 威海华菱光电股份有限公司 | Contact image sensor |
| CN107305715A (en) * | 2016-04-19 | 2017-10-31 | 北京新岸线数字图像技术有限公司 | A kind of paper money discrimination device |
| CN107346577A (en) * | 2016-05-05 | 2017-11-14 | 北京新岸线数字图像技术有限公司 | A kind of false distinguishing method of bank note or bill |
| CN207424998U (en) * | 2017-08-07 | 2018-05-29 | 深圳市倍量科技有限公司 | A kind of adhesive tape detection device |
-
2019
- 2019-06-06 CN CN201910492849.8A patent/CN110379065B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423800A (en) * | 2000-01-21 | 2003-06-11 | 福来克斯产品公司 | Automated verification system and methods for use with optical interference devices |
| CN102034296A (en) * | 2011-01-07 | 2011-04-27 | 张文峰 | Sympathetic ink recognition device, currency counter and currency detector |
| CN106463010A (en) * | 2014-05-22 | 2017-02-22 | 光荣株式会社 | Fluorescence/phosphorescence detection device |
| JP2016034698A (en) * | 2014-08-01 | 2016-03-17 | 独立行政法人 国立印刷局 | Glossy pattern forming body |
| CN107767532A (en) * | 2016-08-18 | 2018-03-06 | 北京新岸线软件科技有限公司 | Realize and become the apparatus and method that pattern carries out anti-counterfeiting detection to banknote brilliance light |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110379065A (en) | 2019-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100502858B1 (en) | Coin discriminating apparatus | |
| US6781705B2 (en) | Distance determination | |
| JPH02297049A (en) | Tester for sheet-shaped member | |
| AU2018203420B2 (en) | System to process a valuable document | |
| JPH02168376A (en) | Coin tube apparatus | |
| JP2007514219A (en) | Reflective optical sensor for bill validator | |
| RU2268494C2 (en) | Method and device for checking authenticity of sealed objects | |
| KR102007685B1 (en) | Hybrid counterfeit discrimination apparatus, and system thereof | |
| JP2002260051A (en) | Paper money identification discrimination device | |
| KR20050005769A (en) | A banknote validator with a reflecting optical sensor | |
| CN101881840B (en) | Device for detecting foreign object in banknote passage | |
| JP3128775U (en) | Bill appraisal device | |
| CN202018690U (en) | Paper currency discrimination detector | |
| CN110379065B (en) | Banknote, ticket discriminating optics, apparatus, device and method | |
| KR20010025037A (en) | Method for confirming authenticity of sheet | |
| CN210109904U (en) | Banknote checking device | |
| KR200285318Y1 (en) | Counterfeit Detector Using Infra Radiation | |
| CN101297328B (en) | Photo sensor array for banknote evaluation | |
| CN106204896A (en) | Sheet paper identification device and determine the paper method with or without dynamic security line | |
| CN105321253B (en) | Photoelectric detection system and method based on adhesive tape on laser reflection identification banknote | |
| JPH1097663A (en) | Paper sheet identifying device | |
| CN210324349U (en) | Paper currency false distinguishing device that suitability is strong | |
| TW300983B (en) | Plane detecting method and device for illegal coin | |
| JP2007034601A (en) | Paper sheet discrimination device | |
| JP3012128B2 (en) | Coin discriminator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221208 Address after: 518000 406, Building 4 (D), Phase I, Jinjin Jiayuan, Beijingtian Road, Lianhua Road, Futian District, Shenzhen, Guangdong Patentee after: Shenzhen Baililin Investment Consulting Co.,Ltd. Address before: 518000 Dong Shun 2, 602, Wutong Road, Yantian District, Shenzhen, Guangdong, China 602 Patentee before: Shenzhen Boling Technology Co.,Ltd. |