CN213716038U

CN213716038U - Paper currency recognition module and financial machine

Info

Publication number: CN213716038U
Application number: CN202023069674.7U
Authority: CN
Inventors: 陆琳燕
Original assignee: Glory Denshi Kogyo Suzhou Ltd
Current assignee: Glory Denshi Kogyo Suzhou Ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-07-16
Anticipated expiration: 2030-12-18

Abstract

The utility model relates to a paper currency identification module, include: UV-RBG optical sensor: gather paper currency image, it sets up on paper currency transport route, and image processing module: the method comprises the following steps of collecting a fluorescent full-width image on paper money, processing the image, obtaining an OCR (optical character recognition) for recognizing the crown word number after the partial screenshot of the crown word number, and comparing the OCR with the OCR by a comparison module: comparing the number and the position of the left-side crown word number and the right-side crown word number of the paper money to obtain a comparison result, and outputting a module: and outputting the comparison result of the comparison module, wherein the UV-RBG optical sensor is connected with the image processing module, the image processing module is connected with the comparison module, and the comparison module is connected with the output module. The financial machine comprises the paper money identification module. The utility model greatly improves the recognition rate of the left and right crown word numbers; the accuracy of comparing the left and right crown word numbers is improved, and the detection of counterfeit money is enhanced; the method is not influenced by the dirt of the paper money and the background color of the paper money, and is stable and accurate.

Description

Paper currency recognition module and financial machine

Technical Field

The utility model relates to a financial machines field especially relates to a paper currency identification module and financial machines.

Background

The gold mark test has requirements for detecting the right and left crown word sizes, and currently, for 15 edition 100 yuan, all denominations (more than 5 yuan) have the right crown word size along with the issuance of the bottom denomination paper money, so that the detection of the right and left crown word sizes can be determined to be more important in the near future. In the prior art, an optical linear sensor is generally adopted to collect an image of a single light source and then perform image processing, but background colors of different paper money are different, and identification difficulty of left and right crown word numbers collected by the same light source is different, so that incorrect comparison results are easily caused, and refund is caused.

Disclosure of Invention

An object of the utility model is to provide a paper currency identification module.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a banknote recognition module comprising:

UV-RBG optical sensor: a banknote image is acquired, which is arranged on the banknote transport path,

an image processing module: collecting a fluorescent full-width image on the paper currency, processing the image, acquiring a partial screenshot of the crown word number, identifying OCR of the crown word number,

a comparison module: comparing the numbers and positions of the left side crown word number and the right side crown word number of the paper money to obtain a comparison result,

an output module: outputting the comparison result of the comparison module,

the UV-RBG optical sensor is connected with the image processing module, the image processing module is connected with the comparison module, and the comparison module is connected with the output module.

Preferably, the image processing module acquires the fluorescence full-width image with the transverse direction of 200dpi and the longitudinal direction of more than 100 dpi.

Preferably, the banknote identifying module further comprises a magnetic detecting module disposed above the banknote conveying path, the magnetic detecting module detects magnetic characteristics of the banknote, and the magnetic detecting module is connected to the output module.

Preferably, the banknote identifying module further comprises a thickness detecting module disposed on the banknote conveying path, the thickness detecting module detects the thickness of the banknote, and the thickness detecting module is connected to the output module.

Further preferably, the thickness detection module includes a lower thickness sensing part and an upper thickness sensing part, a banknote detection channel is formed between the lower thickness sensing part and the upper thickness sensing part, and banknotes pass through the banknote detection channel.

Preferably, the banknote recognition module further comprises a position sensing component arranged on the banknote conveying path, the position sensing component detects whether a banknote passes through, and the position sensing component is connected with the output module.

Further preferably, the position sensing unit includes a light reflecting unit and a light receiving unit located on both sides of the bill conveying path.

Further preferably, two sets of the position sensing parts are provided, and the two sets of the position sensing parts are distributed along the conveying direction of the banknote conveying path.

Preferably, the banknote recognition module further comprises an encoder arranged on the banknote conveying path, the encoder detects the number of conveyed banknotes, and the encoder is connected with the output module.

An object of the utility model is to provide a financial machines.

the financial machine tool comprises one of a paper currency sorter and an ATM, and further comprises a paper currency identification module arranged in the paper currency sorter or the ATM.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. the recognition rate of the left and right crown word numbers is greatly improved;

2. the accuracy of comparing the left and right crown word numbers is improved, and the detection of counterfeit money is enhanced;

3. the method is not influenced by the dirt of the paper money and the background color of the paper money, and is stable and accurate.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

fig. 2 is a schematic diagram of a thickness detection module in the present embodiment.

In the above drawings:

10. a UV-RBG optical sensor; 11. an image processing module; 12. a comparison module; 2. a magnetic detection module; 30. a lower thickness sensing part; 31. an upper thickness sensing part; 32. a banknote sensing channel; 40. a light reflecting member; 41. a light receiving part; 5. an encoder; 6. and an output module.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The banknote recognition module shown in fig. 1 includes a UV-RBG optical sensor 10, an image processing module 11, a comparison module 12, a magnetic detection module 2, a thickness detection module, a position sensing component, an encoder 5, an output module 6, and the like. Specifically, the method comprises the following steps:

the UV-RBG optical sensor 10, the image processing module 11 and the comparison module 12 form a crown word number identification component. Wherein: the UV-RBG optical sensor 10 is arranged on the paper money conveying path and is used for collecting paper money images; the image processing module 11 is used for collecting a fluorescence full-width image with a transverse direction of 200dpi and a longitudinal direction of more than 100dpi, processing the image, acquiring a partial screenshot of the crown word number, and then recognizing OCR (optical character recognition) of the crown word number; the comparison module 12 is used for comparing the numbers and positions of the left-side crown word number and the right-side crown word number of the paper money to obtain a comparison result. The UV-RBG optical sensor 10 is connected with the image processing module 11, the UV-RBG optical sensor 10 transmits collected paper money images to the image processing module 11 for processing, the image processing module 11 is connected with the comparison module 12, the image processing module 11 transmits OCR of the identified crown word number to the comparison module 12, the comparison module 12 is connected with the output module 6, and the comparison module 12 obtains comparison results (OK or NG) through the output module 6.

The magnetic detection module 2 is also arranged above the paper money conveying path and is used for detecting magnetic characteristics (including metal wires, crown word numbers and the like with magnetic characteristics) on the paper money, the magnetic detection module 2 can adopt a magnetic sensor and the like, the magnetic detection module 2 is also connected with the output module 6, and the magnetic characteristics of the paper money are known by a user through the output module 6.

The thickness detection module is also arranged on the paper money conveying path and used for detecting the thickness of the paper money, and the thickness detection module is also connected with the output module 6 and can be used for acquiring the thickness characteristics of the paper money by a user through the output module 6. In this embodiment: the thickness detection module comprises a lower thickness sensing part 30 and an upper thickness sensing part 31, a paper money detection channel 32 is formed between the lower thickness sensing part 30 and the upper thickness sensing part 31, paper money passes through the paper money detection channel 32, the lower thickness sensing part 30 and the upper thickness sensing part 31 have set distances to meet the requirement of passing of true paper money, and the upper thickness sensing part 31 can be lifted upwards when the paper money just enters the paper money detection channel 32 to ensure that the paper money enters. When the thickness of the paper money is inconsistent with the set distance, the thickness detection module outputs an NG signal to the output module 6.

The position sensing component is also arranged on the paper money conveying path and is used for detecting whether paper money passes through, and the position sensing component is also connected with the output module 6. In this embodiment: the position sensing parts are provided with two groups, the two groups of position sensing parts are distributed along the conveying direction of the paper money conveying path, and when the two groups of position sensing parts sense that the paper money passes through, the whole paper money is judged to pass through. The position sensing part comprises a light reflecting part 40 and a light receiving part 41 which are positioned at two sides of the paper money conveying path, when paper money passes through, light emitted by the light reflecting part 40 is shielded by the paper money, the light receiving part 41 cannot receive the light, and therefore the paper money is judged to pass through.

The encoder 5 is also arranged on the paper money conveying path and used for detecting the number of conveyed paper money, and the encoder 5 is connected with the output module 6, so that the number of detected paper money can be known by a user through the output module 6.

This embodiment is discerned paper currency from controlling a plurality of characteristics of serial number, magnetism and thickness, has strengthened the detection of forging the coin greatly to each item result is all known by the user through output module 6, and is convenient directly perceived.

The banknote recognition module of the present embodiment is suitable for financial instruments including banknote sorting machines, ATMs, and the like, each of which is equipped with an image sensor.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A banknote recognition module, characterized by: the method comprises the following steps:

an output module: outputting the comparison result of the comparison module,

2. The banknote recognition module of claim 1, wherein: the image processing module collects the fluorescence full-width image with the transverse direction of 200dpi and the longitudinal direction of more than 100 dpi.

3. The banknote recognition module of claim 1, wherein: the paper money identification module also comprises a magnetic detection module arranged above the paper money conveying path, the magnetic detection module detects the magnetic characteristics of the paper money, and the magnetic detection module is connected with the output module.

4. The banknote recognition module of claim 1, wherein: the paper money identification module also comprises a thickness detection module arranged on the paper money conveying path, the thickness detection module detects the thickness of the paper money, and the thickness detection module is connected with the output module.

5. The banknote recognition module of claim 4, wherein: the thickness detection module comprises a lower thickness sensing part and an upper thickness sensing part, a paper money detection channel is formed between the lower thickness sensing part and the upper thickness sensing part, and paper money passes through the paper money detection channel.

6. The banknote recognition module according to any one of claims 1 to 4, wherein: the paper money identification module also comprises a position sensing part arranged on the paper money conveying path, the position sensing part detects whether paper money passes through, and the position sensing part is connected with the output module.

7. The banknote recognition module of claim 6, wherein: the position sensing part comprises a light reflecting part and a light receiving part which are positioned at two sides of the paper money conveying path.

8. The banknote recognition module of claim 6, wherein: the position sensing parts are arranged in two groups, and the two groups of position sensing parts are distributed along the conveying direction of the paper money conveying path.

9. The banknote recognition module of claim 1, wherein: the paper money identification module also comprises an encoder arranged on the paper money conveying path, the encoder detects the quantity of conveyed paper money, and the encoder is connected with the output module.

10. The financial machine comprises one of a paper currency sorter and an ATM, and is characterized in that: the financial instrument further comprises a banknote recognition module as claimed in any one of claims 1 to 9 disposed in the banknote sorter or the ATM.