CN101308098A - Dynamic scanning type paper money breakage rate recognition instrument and its working method - Google Patents
Dynamic scanning type paper money breakage rate recognition instrument and its working method Download PDFInfo
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- CN101308098A CN101308098A CNA2008100171391A CN200810017139A CN101308098A CN 101308098 A CN101308098 A CN 101308098A CN A2008100171391 A CNA2008100171391 A CN A2008100171391A CN 200810017139 A CN200810017139 A CN 200810017139A CN 101308098 A CN101308098 A CN 101308098A
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- induction device
- emitting diode
- optoelectronic induction
- light emitting
- diode matrix
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Abstract
Disclosed is a dynamic scanning type paper money damaged rate recognition instrument, which comprises a mechanical part, a light-emitting diode (LED) array, a photoelectric induction device, a voltage comparator, a microprocessor, an H-bridge drive circuit, a step motor, etc., the instrument also includes a control part and a user interface, the mechanical part includes a light-emitting diode array sliding support, a photoelectric induction device sliding support, a glass plate, guide rails and a driving belt, the LED array is mounted on the LED array sliding support, the photoelectric induction device is arranged on the photoelectric induction device sliding support, and the two sliding supports are respectively located on the two parallel guide rails in a cover plate and a casing and can move along the guide rails; the microprocessor is in electrical connection with the H-bridge drive circuit and the step motor for driving the step motor to rotate so as to put the two sliding supports along with the light-emitting diode array and the photoelectric induction device in synchronized parallel motion. The recognition instrument has the advantages of simple structure, low cost, simple identification algorithm and high recognition accuracy.
Description
Technical field
The present invention relates to a kind of dynamic scanning type paper money breakage rate recognition instrument and method of work thereof, belong to field of photoelectric technology.
Background technology
The basic artificial visually examine of dependence of paper money breakage rate identification at present identification, dip stick, use CCD camera or scanner generate banknote image, carry out processing and identification via special computer software then.Manual type and dip stick mainly rely on subjective judgement, and efficient, accuracy rate are low, easily erroneous judgement.The computer software processing mode is owing to need to be equipped with the CCD camera or auxiliary devices such as scanner, make use, the identification cost is higher, and based on the treatment of picture mode, the color and luster that is subjected to bank note easily changes, condition effect such as stained, discrimination is lower, and discrimination and cost are inconsistent.
Summary of the invention
In order to overcome the shortcoming and defect of prior art, the invention provides a kind of dynamic scanning type paper money breakage rate recognition instrument and method of work thereof.
A kind of dynamic scanning type paper money breakage rate recognition instrument, comprise cover plate, casing, mechanical part, light emitting diode (LED) array, the optoelectronic induction device, voltage comparator, control section and user interface, mechanical part comprises the light emitting diode matrix sliding support, optoelectronic induction device sliding support, glass plate, guide rail and driving belt, it is characterized in that light emitting diode matrix is installed on the led array sliding support and is fixed in the cover plate, the optoelectronic induction device is installed on the optoelectronic induction device sliding support and is fixed in the casing, above-mentioned two sliding supports are positioned respectively on the parallel mutually guide rail of two in cover plate and the casing, and can be along guide rail movement; Control section is made up of microprocessor, H bridge driving circuit and stepper motor, and microprocessor is electrically connected with H bridge driving circuit, and H bridge driving circuit is electrically connected stepper motor, rotate with drive stepping motor, thereby the driving belt that drives on it rotates; Driving belt is connected on light emitting diode matrix sliding support and the optoelectronic induction device sliding support, drives above-mentioned two sliding supports together with the motion of running simultaneously of light emitting diode matrix and optoelectronic induction device through the rotation of driving belt; Be fixed with glass plate between light emitting diode matrix and the optoelectronic induction device, with fixing bank note to be measured; Voltage comparator is electrically connected with optoelectronic induction device and microprocessor, with the signal of comparison process from the optoelectronic induction device; The light emitting diode matrix part is electrically connected the break-make with the control light emitting diode matrix with microprocessor; User interface is made up of display and matrix keyboard, and user interface is electrically connected with microprocessor.
Described optoelectronic induction device is the CIS device,
The position of described light emitting diode matrix and optoelectronic induction device is corresponding mutually, makes the emergent light of light emitting diode matrix over against the optoelectronic induction device.
Described display is a LCDs.
Identifier of the present invention is when using scanning paper currency, can earlier bank note be pressed on the preposition on the glass plate, by the keyboard on the user interface job information is informed microprocessor, send instructions by microprocessor and to make light emitting diode matrix and optoelectronic induction device in running order, rotate with seasonal H bridge driving circuit drive stepping motor, thereby the driving belt that drives on it rotates, and drives light emitting diode matrix sliding support and optoelectronic induction device sliding support by driving belt and runs simultaneously along guide rail together with light emitting diode matrix and optoelectronic induction device and move.Blocked the light that sends of light emitting diode matrix at the intact place of bank note, and can see through at the breakage led array light partly of bank note, these two kinds of different states are induced by the optoelectronic induction device, because both state difference are obvious, so can generate binary image data by voltage comparator, can obtain the information of whole bank note to be measured by dynamically lining by line scan.Because the resolution height of CIS device, and what handle is binary signal, so just makes that the discrimination of the incomplete rate of bank note is high and it is simple to discern Processing Algorithm.
The control section of being responsible for control mechanical motion, opto-electronic conversion and user interface in the use is the control center of entire equipment.Mechanical part is controlled by stepper motor.The simulating signal that the induction of optoelectronic induction device generates generates binary signal through voltage comparator and enters microprocessor, by microprocessor processes, analysis.User interface is controlled by microprocessor, and microprocessor receives the control push button signalling, controls LCDs simultaneously.CIS scanner head performance index are: sweep length 88mm, and the output of one tunnel simulating signal, the sensor pixel number is 704, resolution 200dpi can realize higher accuracy rate.
The recognition methods of above-mentioned dynamic scanning type paper money breakage rate recognition instrument, step is as follows:
(1) machine initialization;
(2) 100 yuan of acquiescence identifications are set;
(3) judgement has or not button to press; If there is button to press, then carry out step (4); If no button is pressed, then continue to wait for having button to press;
(4) judge whether to be the order of identification classification (be value of money, cover is not); If the order of identification classification then is provided with the identification classification; Not that the identification classification is then carried out step (5);
(5) judge whether to be the beginning recognition command; If begin to discern the classification order, then carry out (6); If not the beginning recognition command then carries out step (3);
(6) check that whether the optoelectronic induction device is at initial position; If then carry out step (7) at initial position; If then do not make the optoelectronic induction device get back to initial position, carry out step (7) then at initial position;
(7) give the power supply of light emitting diode matrix and optoelectronic induction device, step motor drive light emitting diode matrix and optoelectronic induction device synchronously, motion in the same way;
(8) obtain view data, handle, discern;
(9) user interface part display process result;
(10) this paper money breakage rate end of identification carries out step (3).
Above-mentioned dynamic scanning type paper money breakage rate recognition instrument is to the method for the concrete identification of a piece of paper coin breakage rate, and step is as follows:
A. begin the scanning of a width of cloth banknote image;
B. generate binary image data according to decision threshold;
C. the analysis image edge rotates forward to bianry image;
D. according to identification classification order astern image being carried out breakage rate calculates;
E. recognition result is sent into user interface part;
F. width of cloth banknote image identification finishes.
Advantage of the present invention be simple in structure, cost is low, recognizer is simple, the recognition accuracy height.
Description of drawings
Fig. 1 is the structural representation that removes mechanical part among the present invention.
Fig. 2 is the structured flowchart of mechanical part among the present invention.
Fig. 3 is a method of work process flow diagram of the present invention.
Fig. 4 is the method flow diagram of the concrete identification of a piece of paper coin breakage rate among the present invention.
Wherein, 1, stepper motor, 2, H bridge driving circuit, 3, light emitting diode matrix, 4, optoelectronic induction device, 5, voltage comparator, 6, microprocessor, 7, matrix keyboard, 8, LCD display, 9, SDRAM, 10, FLASH storer, 11, pulley, 12, glass plate, 13, guide rail, 14, driving belt, 15, initial position sensor, 16, light emitting diode matrix sliding support, 17, optoelectronic induction device sliding support, 18, the glass plate gap.
Embodiment
Embodiment:
A kind of dynamic scanning type paper money breakage rate recognition instrument, comprise cover plate, casing, mechanical part, light emitting diode (LED) array 3, optoelectronic induction device 4, voltage comparator 5, control section and user interface, mechanical part comprises light emitting diode matrix sliding support 16, optoelectronic induction device sliding support 17, glass plate 12, guide rail 13 and driving belt 14, it is characterized in that light emitting diode matrix 3 is installed on the led array sliding support 16 and is fixed in the cover plate, optoelectronic induction device 4 is installed on the optoelectronic induction device sliding support 17 and is fixed in the casing, above-mentioned two sliding supports 16,17 are positioned respectively on the parallel mutually guide rail 13 of two in cover plate and the casing, and can move along guide rail 13; Control section is made up of microprocessor 6, H bridge driving circuit and stepper motor, and microprocessor 6 is electrically connected with H bridge driving circuit, and H bridge driving circuit is electrically connected stepper motor, rotate with drive stepping motor, thereby the driving belt 14 that drives on it rotates; Driving belt 14 is connected on light emitting diode matrix sliding support 16 and the optoelectronic induction device sliding support 17, drives above-mentioned two sliding supports 16,17 together with the motion of running simultaneously of light emitting diode matrix 3 and optoelectronic induction device 4 through the rotation of driving belt 14; Be fixed with glass plate 12 between light emitting diode matrix 3 and the optoelectronic induction device 4, bank note to be measured can be fixed in the glass plate gap 18 of glass plate 12; Voltage comparator 5 is electrically connected with optoelectronic induction device 4 and microprocessor 6; With the signal of comparison process from optoelectronic induction device 4; Light emitting diode matrix 3 is electrically connected the break-make with control light emitting diode matrix 3 with microprocessor 6; User interface is made up of display and matrix keyboard 7, and user interface is electrically connected with microprocessor 6.
Described optoelectronic induction device 4 is the CIS device,
The position of described light emitting diode matrix 3 and optoelectronic induction device 4 is corresponding mutually, makes the emergent light of light emitting diode matrix 3 over against optoelectronic induction device 4.
Described display is a LCDs 8.
Optoelectronic induction device 4 is the CIS device, and model is CM201B7.
Voltage comparator 5, model are LM339.
Control section is made up of microcontroller 6, H bridge driving circuit 2 and stepper motor 1.Stepper motor adopts 42BYG250FA.
User interface is by forming with the lower part: LCD display 8, matrix keyboard 7.
The recognition methods of above-mentioned dynamic scanning type paper money breakage rate recognition instrument, step is as follows:
(1) machine initialization;
(2) 100 yuan of acquiescence identifications are set;
(3) judgement has or not button to press; If there is button to press, then carry out step (4); If no button is pressed, then continue to wait for having button to press;
(4) judge whether to be the order of identification classification; If the order of identification classification then is provided with the identification classification; Not that the identification classification is then carried out step (4);
(5) judge whether to be the beginning recognition command; If begin to discern the classification order, then carry out (6); If not the beginning recognition command then carries out step (3);
(6) check that whether optoelectronic induction device 4 is at initial position; If then carry out step (7) at initial position; If then do not make optoelectronic induction device 4 get back to initial position, carry out step (7) then at initial position;
(7) give light emitting diode matrix 3 and 4 power supplies of optoelectronic induction device, step motor drive light emitting diode matrix 3 and optoelectronic induction device 4 synchronously, motion in the same way;
(8) obtain view data, handle, discern;
(9) user interface part display process result;
(10) this paper money breakage rate end of identification, the wait button is pressed, i.e. step (3).
As follows based on the paper money breakage rate recognition instrument that transmittance is measured to the concrete recognition methods of a piece of paper coin image:
A. begin the identification of a width of cloth banknote image;
B. generate binary image data according to decision threshold;
C. the analysis image edge rotates forward to bianry image;
D. according to identification classification order astern image being carried out breakage rate calculates;
E. recognition result is sent into user interface part;
F. width of cloth banknote image identification finishes.
Claims (6)
1. dynamic scanning type paper money breakage rate recognition instrument, comprise cover plate, casing, mechanical part, light emitting diode (LED) array, the optoelectronic induction device, voltage comparator, control section and user interface, mechanical part comprises the light emitting diode matrix sliding support, optoelectronic induction device sliding support, glass plate, guide rail and driving belt, it is characterized in that light emitting diode matrix is installed on the led array sliding support and is fixed in the cover plate, the optoelectronic induction device is installed on the optoelectronic induction device sliding support and is fixed in the casing, above-mentioned two sliding supports are positioned respectively on the parallel mutually guide rail of two in cover plate and the casing, and can be along guide rail movement; Control section is made up of microprocessor, H bridge driving circuit and stepper motor, and microprocessor is electrically connected with H bridge driving circuit, and H bridge driving circuit is electrically connected stepper motor, rotate with drive stepping motor, thereby the driving belt that drives on it rotates; Driving belt is connected on light emitting diode matrix sliding support and the optoelectronic induction device sliding support, drives above-mentioned two sliding supports together with the motion of running simultaneously of light emitting diode matrix and optoelectronic induction device through the rotation of driving belt; Be fixed with glass plate between light emitting diode matrix and the optoelectronic induction device, with fixing bank note to be measured; Voltage comparator is electrically connected with optoelectronic induction device and microprocessor; With the signal of comparison process from the optoelectronic induction device; The light emitting diode matrix part is electrically connected the break-make with the control light emitting diode matrix with microprocessor; User interface is made up of display and matrix keyboard, and user interface is electrically connected with microprocessor.
2. a kind of according to claim 1 dynamic scanning type paper money breakage rate recognition instrument is characterized in that described optoelectronic induction device is the CIS device,
3. a kind of according to claim 1 dynamic scanning type paper money breakage rate recognition instrument, the position that it is characterized in that described light emitting diode matrix and optoelectronic induction device are corresponding mutually, make the emergent light of light emitting diode matrix over against the optoelectronic induction device.
4. a kind of according to claim 1 dynamic scanning type paper money breakage rate recognition instrument is characterized in that described display is a LCDs.
5. the recognition methods of dynamic scanning type paper money breakage rate recognition instrument according to claim 1, step is as follows:
(1) machine initialization;
(2) 100 yuan of acquiescence identifications are set;
(3) judgement has or not button to press; If there is button to press, then carry out step (4); If no button is pressed, then continue to wait for having button to press;
(4) judge whether to be the order of identification classification (be value of money, cover is not); If the order of identification classification then is provided with the identification classification; Not that the identification classification is then carried out step (5);
(5) judge whether to be the beginning recognition command; If begin to discern the classification order, then carry out (6); If not the beginning recognition command then carries out step (3);
(6) check that whether the optoelectronic induction device is at initial position; If then carry out step (7) at initial position; If then do not make the optoelectronic induction device get back to initial position, carry out step (7) then at initial position;
(7) give the power supply of light emitting diode matrix and optoelectronic induction device, step motor drive light emitting diode matrix and optoelectronic induction device synchronously, motion in the same way;
(8) obtain view data, handle, discern;
(9) user interface part display process result;
(10) this paper money breakage rate end of identification carries out step (3).
6. dynamic scanning type paper money breakage rate recognition instrument is to the method for the concrete identification of a piece of paper coin breakage rate according to claim 1, and step is as follows:
A. begin the scanning of a width of cloth banknote image;
B. generate binary image data according to decision threshold;
C. the analysis image edge rotates forward to bianry image;
D. according to identification classification order astern image being carried out breakage rate calculates;
E. recognition result is sent into user interface part;
F. width of cloth banknote image identification finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100171391A CN101308098B (en) | 2008-06-26 | 2008-06-26 | Dynamic scanning type paper money breakage rate recognition instrument and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100171391A CN101308098B (en) | 2008-06-26 | 2008-06-26 | Dynamic scanning type paper money breakage rate recognition instrument and its working method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101308098A true CN101308098A (en) | 2008-11-19 |
| CN101308098B CN101308098B (en) | 2010-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100171391A Expired - Fee Related CN101308098B (en) | 2008-06-26 | 2008-06-26 | Dynamic scanning type paper money breakage rate recognition instrument and its working method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087227A (en) * | 2010-11-18 | 2011-06-08 | 吴士敏 | Online aluminum foil infrared pinhole detector |
| CN106680203A (en) * | 2015-11-10 | 2017-05-17 | 中国科学院大连化学物理研究所 | Online microalgae automatic sampling optical measuring system |
-
2008
- 2008-06-26 CN CN2008100171391A patent/CN101308098B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087227A (en) * | 2010-11-18 | 2011-06-08 | 吴士敏 | Online aluminum foil infrared pinhole detector |
| CN106680203A (en) * | 2015-11-10 | 2017-05-17 | 中国科学院大连化学物理研究所 | Online microalgae automatic sampling optical measuring system |
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| Publication number | Publication date |
|---|---|
| CN101308098B (en) | 2010-07-28 |
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Granted publication date: 20100728 Termination date: 20130626 |