CN101770661B - Magnetic coin high-speed identification device - Google Patents
Magnetic coin high-speed identification device Download PDFInfo
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- CN101770661B CN101770661B CN2008102303639A CN200810230363A CN101770661B CN 101770661 B CN101770661 B CN 101770661B CN 2008102303639 A CN2008102303639 A CN 2008102303639A CN 200810230363 A CN200810230363 A CN 200810230363A CN 101770661 B CN101770661 B CN 101770661B
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Abstract
The invention relates to a magnetic coin high-speed identification device, wherein the identification of the authenticity of coins comprises the following steps of: scanning magnetic parameters of the surface of a sample to be detected to acquire fluctuation signals of the magnetic parameters of the surface of the sample to be detected, and comparing the acquired fluctuation signals with the preset fluctuation signals of real coins to identify the authenticity of the sample. The device of the invention is provided with a coin centrifugally driving system, a control system, a coin surface magnetic signal acquiring system, a data analyzing system and a false coin eliminating system, wherein the coin centrifugally driving system sequences coins in a special coin channel and enables the coins to pass through the special coin channel at high speed; the control system controls coordinated actions of each system and human-computer interfaces; the coin surface magnetic signal acquiring system scans magnetic signal fluctuation of coin surfaces when the coins pass through the system; when the coins pass through a sensor at high speed, the magnetic sensor acquires three groups of fluctuation signals and converts the signals into digital signals, and the data analyzing system compares the scanning signals with the digital signals for analyzing; and the false coin eliminating system strikes false coins by using an electromagnetic valve according to control system signals, thereby eliminating the false coins.
Description
Technical field
The present invention relates to a kind of device of differentiating the coin true and false, relate in particular to a kind of magnetic coin high-speed identification device, wherein the discriminating of the coin true and false is based on detecting the scanning of sample surface magnetic parameter, obtain detecting the fluctuation signal of sample surface magnetic parameter, compare the default fluctuation signal of true coin, thereby differentiate the sample true and false.
Background technology
In recent years, various countries more and more pay attention to the popular false proof and machine-readable recognition performance of coin.Represent world's coinage advanced level Euro, before design, just extensively solicit social suggestion, particularly pay attention to soliciting the suggestion of the European automatic vending machine EVA of alliance.Along with Euro distribution, can effectively discern the automatic vending machine and the Coin validator of Euro electromagnetic property and release thereupon.
The coin recognizing method module research and development of China are started late, and the whole imports of coin recognizing method module of a lot of companies have only the vending machine shell to be oneself design.In recent years, some associated companies are used for reference external product, developed the Coin validator of oneself, wherein the electromagnetism identification sensor of Cai Yonging is still copied the design in Europe, whole coin is done the as a whole electromagnetism identification of carrying out, this coin recognizing method module can detect the variation of magnetic material content in the coin to a certain extent, but can't detect the form that magnetic material exists, as: the distribution situation of magnetosphere in coin, just can't be similar to electromagnetic parameter, but the different coin that distributes is discerned, and provides opportunity to the fake producer like this.As long as specification, electromagnetic parameter, metal material are similar, Coin validator is judged by accident.The coin circulation of some forgeries automatic vending machine of can out-tricking has utilized this point exactly.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, adopt coin surface magnetism scan method, cooperate data processing technique, the true and false of coin is carried out high speed identification, and utilize electromagnet to impact mode and reject counterfeit money.In magnetic scanning, utilized the high precision magnetic sensor of independent research and development, and at the coin drive system of this high precision magnetic sensor design.Having solved can't be similar to electromagnetic parameter in the prior art, but the problem that the different coin that distributes is discerned.
Technical scheme of the present invention is:
The centrifugal drive system of coin is set, coin is passed through from ordering of special coin road and high speed; Control system is set, controls each system coordination action and man-machine interface; Coin surface magnetism signal acquiring system is set, when coin passes through, the magnetic signal fluctuation on scanning coin surface; Data analysis system is set, take to sweep signal work as coin from sensor down at a high speed by the time, magnetic sensor obtains three groups of fluctuation signals, is digital signal with this signal transition, is analyzed by data analysis system; The counterfeit money eliminating system is set,, utilizes solenoid valve to impact counterfeit money, counterfeit money is rejected according to the control system signal.
The centrifugal drive system of described coin comprises motor, centrifugal feed table, cog belt gear train and position-limit mechanism; On the motor of fixed placement centrifugal feed table is housed vertically upward, feed bin is arranged on the centrifugal feed table, and the exit of feed bin is provided with position-limit mechanism and connects the cog belt gear train, and spring attachment is equipped with in cog belt gear train inboard.
Described cog belt gear train below is provided with broad-adjustable coin road.
Described control system comprises single-chip microcomputer, control circuit and input/output module, this system is provided with circuit interface, coordinate, control the work of other system, and carry out man-machine exchange, by the data of output module display data analysis system transmissions by load module.
Described coin surface magnetism signal acquiring system comprises position sensor assembly, signal acquisition circuit and magnetic sensor assembly; Position sensor assembly and magnetic sensor assembly are fixed in coin road one side successively, and signal acquisition circuit link position sensor module and magnetic sensor assembly carry out the reception and the transmission of signal with each assembly.
Described position sensor assembly adopts the tubular type sensor, and signal sending end and receiving end are separately fixed at the upper and lower both sides in coin road.
Described signal acquisition circuit is fixed in the frame outside, " gathering beginning " signal that the receiving position sensor module sends, and magnetropism sensor module transmission related command, and it is pre-if the function of learning data that the synchronous signal Acquisition Circuit also has storage.
Described magnetic sensor assembly is magnet steel and Hall element, magnet steel and Hall element are separately fixed at the upper and lower both sides in coin road, the magnetic sensor assembly is set to two groups, is arranged in order setting on the coin road, is divided into strong magnetic sample detection sensor and weak magnetic sample detection sensor.
Described data analysis system is handled, is analyzed the signal of sensor acquisition, and sends corresponding signal to control system; Data analysis system is sent to output module demonstration in real time or storage with data processed result by control system simultaneously.
Advantageous effect of the present invention is as follows:
1, adopt high precision magnetic scanning mode, fully the distribution situation of testing product surface magnetism layer is compared the true and false of recognition sample simultaneously with preset value.The magnetic signal of this dependence coin sample own changes the technology of discerning the coin true and false, differs from other and utilizes the whole technology of measuring the coin electromagnetic parameter of electromagnetic eddy.
2, the electromagnet impact type is rejected technology, has effectively guaranteed the accuracy that counterfeit money is rejected.
3, cooperating of magnet steel and magnetic transducing device, effectively guaranteed the fluctuation of coin surface magnetic signal.
4, the centrifugal coin thickness of sample of sending of position-limit mechanism restriction feed bin stops that overproof sample passes through.
Description of drawings
Fig. 1 is a principle of work block diagram of the present invention.
Fig. 2 is a detection module block diagram of the present invention.
Fig. 3 is a system works diagrammatic top view of the present invention.
Among the figure, 1, position-limit mechanism, 2, the cog belt gear train, 3, the counterfeit money outlet, 4, weak magnetic sample detection sensor, 5, the genuine note outlet, 6, the coin road, 7, the electromagnet beating unit, 8, strong magnetic sample detection sensor, 9, centrifugal feed table.
Embodiment
Be elaborated as follows below in conjunction with accompanying drawing to technical scheme of the present invention:
The centrifugal drive system of coin is set, comprises motor, centrifugal feed table, cog belt gear train and position-limit mechanism; On the motor of fixed placement the rotating centrifugal feed table is housed vertically upward, centrifugal feed table is barrel-shaped feed bin along with motor rotates together around the centrifugal feed table, and the coin sample in the feed bin produces centrifugal force with centrifugal feed table high speed rotating.Position-limit mechanism connects the centrifugal feed table outlet outside, and the overproof sample of limited thickness enters the coin road.The cog belt gear train is near centrifugal feed table outlet and position-limit mechanism, and the sample that thickness is suitable is brought the coin road into, and moves to corresponding exit along the coin road always.Spring attachment is equipped with in cog belt gear train inboard, so that cog belt drives the coin sample at a high speed by the coin road; The below of cog belt gear train is located in broad-adjustable coin road.
Control system is set, comprises single-chip microcomputer, control circuit and input/output module.Wherein control circuit and single-chip microcomputer are fixed on the system chassis, the display panel at input/output module connected system top.This system is provided with circuit interface, coordinates, controls the work of other system, and carries out man-machine exchange by load module, controls each system coordination action and carries out man-machine exchange, by the data of output module display data analysis system transmissions.
Coin surface magnetism signal acquiring system is set, comprises position sensor assembly, signal acquisition circuit and two groups of magnetic sensor assemblies; Position sensor assembly and two groups of magnetic sensor assemblies are fixed in coin road one side successively, and signal acquisition circuit link position sensor module and magnetic sensor assembly carry out the reception and the transmission of signal with each assembly.When coin passed through, the magnetic sensor assembly can scan the magnetic signal fluctuation on coin surface, and this signal is transferred to data analysis system;
Described position sensor assembly adopts the tubular type sensor, and signal sending end and receiving end are separately fixed at the upper and lower both sides in coin road.
Described signal acquisition circuit is fixed in the frame outside, " gathering beginning " signal that the receiving position sensor module sends, and magnetropism sensor module transmission related command, and it is pre-if the function of learning data that the synchronous signal Acquisition Circuit also has storage; Frame is located at the below of centrifugal feed table, the fixed support said system.
Described magnetic sensor assembly is magnet steel and Hall element, magnet steel and Hall element are separately fixed at the upper and lower both sides in coin road, the magnetic sensor assembly is set to two groups, is arranged in order setting on the coin road, is divided into strong magnetic sample detection sensor and weak magnetic sample detection sensor.
Data analysis system is set, the signal of sensor acquisition is handled, analyzed, and send corresponding signal to control system; Data analysis system is sent to output module demonstration in real time or storage with data processed result by control system simultaneously.
The counterfeit money eliminating system is set, comprise the electromagnet beating unit, the electromagnet beating unit is positioned at the inboard coin discharge opposite position in coin road, according to the control system signal, utilize solenoid valve to impact counterfeit money, counterfeit money is rejected, the electromagnet beating unit comprises spring, metal guide rod and electromagnet, one end of spring traction guide rod, the electromagnetic attracting force guide rod that the other end is produced by electromagnet.During original state, the electromagnet energising produces electromagnetic force, and guide rod is adsorbed on the electromagnet, and spring is in extended state; When needs impacted, the electromagnet outage caused electromagnetic force to disappear, and the motion of spring traction guide rod rapid axial produces impact force sample is kicked out of.
The principle of work of the present invention and the course of work are as follows:
The coin sample relies on centrifugal kinematic train stay aligned and passes through the coin road, on the coin road, at first carry out strong and weak magnetic coin and discern separation in advance, strong magnetic coin sample is rejected, by position transducer, trigger the high precision magnetic sensor, during then by magnetic sensor, carry out the magnetic property data acquisition, at last, counterfeit money is impacted rejecting in corresponding outlet, and genuine note is collected by normal discharging opening.
Claims (8)
1. a magnetic coin high-speed identification device is characterized in that comprising following structure: the centrifugal drive system of coin is set, coin is passed through from ordering of special coin road and high speed; Control system is set, controls each system coordination action and man-machine interface; Coin surface magnetism signal acquiring system is set, when coin passes through, the magnetic signal fluctuation on scanning coin surface; Data analysis system is set, take to sweep signal work as coin from sensor down at a high speed by the time, magnetic sensor obtains three groups of fluctuation signals, is digital signal with this signal transition, is analyzed by data analysis system; The counterfeit money eliminating system is set,, utilizes solenoid valve to impact counterfeit money, counterfeit money is rejected according to the control system signal; Described coin surface magnetism signal acquiring system comprises position sensor assembly, signal acquisition circuit and magnetic sensor assembly; Position sensor assembly and magnetic sensor assembly are fixed in coin road one side successively, and signal acquisition circuit link position sensor module and magnetic sensor assembly carry out the reception and the transmission of signal with each assembly; Described magnetic sensor assembly is magnet steel and Hall element, magnet steel and Hall element are separately fixed at the upper and lower both sides in coin road, the magnetic sensor assembly is set to two groups, is arranged in order setting on the coin road, is divided into strong magnetic sample detection sensor and weak magnetic sample detection sensor.
2. according to right 1 described magnetic coin high-speed identification device, it is characterized in that the centrifugal drive system of described coin comprises motor, centrifugal feed table, cog belt gear train and position-limit mechanism; On the motor of fixed placement centrifugal feed table is housed vertically upward, feed bin is arranged on the centrifugal feed table, and the exit of feed bin is provided with position-limit mechanism and connects the cog belt gear train, and spring attachment is equipped with in cog belt gear train inboard.
3. according to right 2 described magnetic coin high-speed identification devices, it is characterized in that described cog belt gear train below is provided with broad-adjustable coin road.
4. according to right 1 described magnetic coin high-speed identification device, it is characterized in that described control system comprises single-chip microcomputer, control circuit and input/output module, this system is provided with circuit interface, coordinate, control the work of other system, and carry out man-machine exchange by load module, by the data of output module display data analysis system transmissions.
5. magnetic coin high-speed identification device according to claim 1 is characterized in that described position sensor assembly adopts the tubular type sensor, and signal sending end and receiving end are separately fixed at the upper and lower both sides in coin road.
6. magnetic coin high-speed identification device according to claim 1, it is characterized in that described signal acquisition circuit is fixed in the frame outside, the collection commencing signal that the receiving position sensor module sends, and magnetropism sensor module transmission related command, it is pre-if the function of learning data that the synchronous signal Acquisition Circuit also has storage.
7. magnetic coin high-speed identification device according to claim 1 is characterized in that described data analysis system, the signal of sensor acquisition is handled, is analyzed, and send corresponding signal to control system; Data analysis system is sent to output module demonstration in real time or storage with data processed result by control system simultaneously.
8. magnetic coin high-speed identification device according to claim 1, it is characterized in that described counterfeit money eliminating system comprises the electromagnet beating unit, beating unit is positioned at the inboard coin discharge opposite position in coin road, according to the control system signal, utilize solenoid valve to impact counterfeit money, counterfeit money is rejected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102303639A CN101770661B (en) | 2008-12-30 | 2008-12-30 | Magnetic coin high-speed identification device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102303639A CN101770661B (en) | 2008-12-30 | 2008-12-30 | Magnetic coin high-speed identification device |
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| CN101770661A CN101770661A (en) | 2010-07-07 |
| CN101770661B true CN101770661B (en) | 2011-08-31 |
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| CN2008102303639A Active CN101770661B (en) | 2008-12-30 | 2008-12-30 | Magnetic coin high-speed identification device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103049958B (en) * | 2012-12-27 | 2014-12-03 | 南京中钞长城金融设备有限公司 | Online detection system for electromagnetic parameters of coins and detection method thereof |
| CN103310524B (en) * | 2013-04-17 | 2017-12-26 | 洛阳理工学院 | Coin sorting packs slot machine |
| CN103914911B (en) * | 2014-04-22 | 2015-11-04 | 南京中钞长城金融设备有限公司 | Residual fake identifying machine is chosen in damaged coin screening |
| CN106228671A (en) * | 2016-07-27 | 2016-12-14 | 东南大学 | A kind of multilamellar coin separator based on chute chute |
| CN108022359B (en) * | 2016-10-28 | 2020-05-22 | 山东新北洋信息技术股份有限公司 | Coin kicking control method and device of coin sorting machine |
| CN107045745A (en) * | 2017-02-22 | 2017-08-15 | 南京航空航天大学 | Multifunctional coin sorter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2420458A1 (en) * | 1974-04-24 | 1975-10-30 | Zimmermann & Co F | Totalling value of coins of different denominations - using equipment incorporating single inductive scanning head |
| CN1302050A (en) * | 1999-12-21 | 2001-07-04 | 罗烈尔银行机器股份有限公司 | Coin judging equipoment |
| US6640955B1 (en) * | 1999-10-06 | 2003-11-04 | Kabushiki Kaisha Nippon Conlux | Coin inspection method and device |
| CN2622782Y (en) * | 2003-05-27 | 2004-06-30 | 余立群 | Coin detector |
-
2008
- 2008-12-30 CN CN2008102303639A patent/CN101770661B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2420458A1 (en) * | 1974-04-24 | 1975-10-30 | Zimmermann & Co F | Totalling value of coins of different denominations - using equipment incorporating single inductive scanning head |
| US6640955B1 (en) * | 1999-10-06 | 2003-11-04 | Kabushiki Kaisha Nippon Conlux | Coin inspection method and device |
| CN1302050A (en) * | 1999-12-21 | 2001-07-04 | 罗烈尔银行机器股份有限公司 | Coin judging equipoment |
| CN2622782Y (en) * | 2003-05-27 | 2004-06-30 | 余立群 | Coin detector |
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| CN101770661A (en) | 2010-07-07 |
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Address after: 100044 Beijing city Xicheng District Xizhimen Street No. 143 triumph building Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 100044 Beijing city Xicheng District Xizhimen Street No. 143 Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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