CN107424286A - A kind of coin false-identifying device - Google Patents
A kind of coin false-identifying device Download PDFInfo
- Publication number
- CN107424286A CN107424286A CN201710311165.4A CN201710311165A CN107424286A CN 107424286 A CN107424286 A CN 107424286A CN 201710311165 A CN201710311165 A CN 201710311165A CN 107424286 A CN107424286 A CN 107424286A
- Authority
- CN
- China
- Prior art keywords
- coin
- conveyer
- false
- dimensional laser
- laser scanning
- 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.)
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Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D5/00—Testing specially adapted to determine the identity or genuineness of coins, e.g. for segregating coins which are unacceptable or alien to a currency
- G07D5/02—Testing the dimensions, e.g. thickness, diameter; Testing the deformation
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D5/00—Testing specially adapted to determine the identity or genuineness of coins, e.g. for segregating coins which are unacceptable or alien to a currency
- G07D5/005—Testing the surface pattern, e.g. relief
Abstract
A kind of coin false-identifying device, including two dimensional laser scanning sensor, heating source module, thermal infrared imager module, computer subsystem, frame, conveyer, hopper, coin arrangement mechanism.Two dimensional laser scanning sensor, heating source module and the thermal infrared imager module of the device are connected with computer subsystem respectively.To realize coin false distinguishing target, the present apparatus realizes that false distinguishing differentiates in terms of coin dimensions and material two to coin：Measured using height, diameter and the three-dimensional surface shape of the lasting coin on conveyer of two dimensional laser scanning sensor, complete the geometry character detection of coin；Computer subsystem control heating source module heats to the coin arranged on conveyer, and gathers the coin surface temperature delta data that thermal infrared imager module detects to obtain, so as to complete coin material detection.The two steps do not have sequencing requirement.The present invention can not only detect coin dimensions, material, and also detectable coin uses abrasion condition.
Description
Technical field
Patent of the present invention is related to a kind of coin false-identifying device, more particularly to a kind of based on two dimensional laser scanning sensor and red
The coin false-identifying device of outer thermal wave detection.
Background technology
Currently, there is substantial amounts of specie flow countries in the world.Many law-breakers, which counterfeit coins, to seek exorbitant profit, very disruptive
Financial order, and to country and other people cause huge property loss.Existing coin false-identifying device is typically all to be based on
Inductance coil carries out the detection of coin electromagnetic property, so as to judge the true and false of coin.Patent of invention " the coin based on pulse excitation
True and false intelligent detection device and its detection method " (application number 201410035100.8) is according to specie material, thickness and pattern
Change produces different induced voltage signals, and the pumping signal used can be changed for multifrequency pulse and frequency by software programming
Become, starting point judgement is first carried out by Hall sensor when coin arrives, then gather the defeated voltage signal of two-way current vortex and carry out
Filtering, amplification, then identified by the feature extraction and coin false distinguishing of processor progress multi-frequency characteristic quantity and time domain.Based on identical
Principle realizes that the patent of invention of coin false distinguishing and utility model are also a lot, but this coin that is based on is to electric around inductance coil
The method that disturbance of magnetic field feature carries out false distinguishing, there are strict demand, correlation letter by the speed near coil and position to coin
Number processing is difficult, easily by external interference, causes coin false distinguishing False Rate higher.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of coin false-identifying device, using two
The separate method of kind is respectively completed the detection and analysis of the geometric properties and material characteristics of coin, so as to realize coin false distinguishing mesh
Mark.
To realize purpose of the present invention, the present invention provides a kind of coin false-identifying device, including two dimensional laser scanning sensing
Device, heating source module, thermal infrared imager module, computer subsystem, frame, conveyer, hopper, coin arrangement mechanism.
The conveyer of the present invention, hopper, coin arrangement mechanism are respectively mounted and are fixed in frame, the two dimensional laser scanning sensing
Device, heating source module and thermal infrared imager module are electrically connected between computer subsystem respectively, the two dimensional laser scanning
Sensor is fixed on frame and above conveyer, and the heating source module and thermal infrared imager module also are secured to frame
And above conveyer.The computer subsystem of the present invention can be portable and computer, desktop computer, Industry Control meter
Calculation machine, embedded microprocessor, programmable controller, tablet personal computer one of which.
To realize coin false distinguishing target, the present apparatus is in terms of coin geometry character detection and material characteristics detect two to hard
Coin realizes that false distinguishing differentiates：
(a) height is carried out to arrangement on conveyer and moving coin using two dimensional laser scanning sensor is lasting
With the measurement of diameter, 3 d surface topography, and coherent detection data are sent to computer subsystem, it is complete by computer subsystem
Geometry character detection into coin is analyzed；
(b) computer subsystem control heating source module heats to the coin on conveyer, and gathers infrared heat
As instrument module detects obtained coin surface temperature delta data, so as to complete the analysis of specie material feature detection.
Above-mentioned steps (a) and (b) are without sequencing requirement.
The present invention in order to realize the geometry character detection of the coin in step (a) analyze, the conveyer at work,
The amplitude beated on the direction on coin surface is necessarily less than 0.5mm, and the transport plane of conveyer swashs with two dimension
The light curtain of optical scanning sensor is vertical, so as to two dimensional laser scanning sensor can be obtained with accurate scanning coin surface topography and
Sized data.Coin surface topography data has reacted coin and has used abrasion condition.
The heating source module of the present invention is infrared heat lamp, can also select the heating of the method for ultrasonic Wave heating and Electromagnetic Heating
Coin, signal form are generally impulse-type excitation thermal source signal or modulation type excitation thermal source signal.After coin is heated, surface temperature
Degree field distribution changes, the coins of different materials because material thermal conductivity characteristic is different, during coin is heated or
In cooling procedure, the change of its surface temperature differs.The present invention shows temperature changing process using thermal infrared imager to this
Detected, and coherent detection is analyzed by being sent to computer subsystem, so as to judge the material of coin.
The present invention is used to realize coin false distinguishing, has detection method simple, the characteristics of as a result stablizing.
Brief description of the drawings
Fig. 1 is the structured flowchart of the present invention；
1 is hopper in figure, and 2 be that coin arranges mechanism, and 3 be conveyer, and 4 be heating source module, and 5 be thermal infrared imager
Module, 6 be driving support meanss, and 7 be coin, and 8 be two dimensional laser scanning sensor, and 9 be computer subsystem.
Embodiment
As shown in figure 1, this specific embodiment includes two dimensional laser scanning sensor 8, heating source module 4, thermal infrared imager
Module 5, computer subsystem 9, frame, conveyer 3, hopper 1, coin arrangement mechanism 2.The two dimensional laser scanning of the device
Sensor 8, heating source module 4 and thermal infrared imager module 5 are to realize signal wire, control between computer subsystem 9 respectively
The electrical connection of line.
The two dimensional laser scanning sensor 8, heating source module 4, thermal infrared imager module 5, transmission dress of this specific embodiment
Put 3, hopper 1, coin arrangement mechanism 2 is respectively mounted and is fixed in frame, wherein two dimensional laser scanning sensor 8, heating source mould
Block 4 and thermal infrared imager module 5 are respectively positioned on the top of conveyer 3.Hopper 1 and coin the arrangement mechanism of this specific embodiment
2 are realized using vibration disk-form；Conveyer 3 is circular flat glass, can at the uniform velocity be revolved in the case where driving support meanss 6 drive
Turn.There are high-precision bearing and servomotor inside driving support meanss 6, ensureing the rotary speed of conveyer 3 can accurately control
System.The driving support meanss 6 of this specific embodiment structure snd size design ensure conveyer 3 at work, its perpendicular to
The amplitude controlling beated on the direction on coin surface in 0.1mm between 0.12mm, and the transport plane of conveyer 3 and two
It is vertical to tie up the light curtain of scanning laser sensor 8, so that two dimensional laser scanning sensor 8 can obtain the table of coin 7 with accurate scanning
Face pattern and sized data.The computer subsystem 9 of this specific embodiment is an industrial control computer, and concrete model is to grind
Magnificent IPC-610L.
To realize the false distinguishing target for coin 7, this specific embodiment is examined from coin geometry character detection and material characteristics
Survey two aspects and realize that false distinguishing differentiates to coin 7：
(a) use two dimensional laser scanning sensor 8 lasting to arrangement on conveyer 3 and moving coin 7 is carried out
The measurement of height and diameter, 3 d surface topography, and coherent detection data are sent to computer subsystem 9, by calculating loom
System 9 completes the geometry character detection analysis of coin 7；
(b) control of computer subsystem 9 heating source module 4 heats to the coin 7 on conveyer 3, and gathers red
Outer thermal imaging system module 5 detects the obtained surface temperature delta data of coin 7, so as to complete the detection of the material characteristics of coin 7.
Above-mentioned steps (a) and (b) are without sequencing requirement.
The two dimensional laser scanning sensor 8 of this specific embodiment passes for the ZG2 series two-dimensional shapes measurement of Omron Corp
Sensor.
The heating source module 4 of this specific embodiment is infrared heat lamp, exports the thermal excitation for power invariability.Due to coin 7
Continuously moved on conveyer 3, therefore be impulse-type excitation to the heated signal form of coin 7.After coin 7 is heated, table
Face thermo parameters method changes, and the genuine note and counterfeit money of different materials are during being heated or in cooling procedure, its surface
Temperature change differs.This specific embodiment shows that temperature changing process is examined using thermal infrared imager module 5 to this
Survey, and coherent detection is analyzed by being sent to computer subsystem 9, so as to judge the material of coin.
The computer subsystem 9 of this specific embodiment uses the systems of Windows 7, develops what is obtained using based on C# language
Computer software.The computer software has been previously stored the geometric properties information such as the surface detail, diameter and height of genuine note.Adopting
After collection obtains the three-dimensional appearance data of coin 7, the computer software is spent using the surface of the tested coin 7 of template matching method analysis
Whether line, diameter and height meet genuine note geometric properties.
Computer software inside the computer subsystem 9 of this specific embodiment, collecting thermal infrared imager module 5
After the coin surface temperature data that transmission comes, the histogram analysis of the temperature data are carried out.Then it is straight according to the temperature data
The genuine note surface temperature data histogram that side schemes and is previously stored carries out correlation computations, is finally determined according to correlativity calculation result
Coin truth.
Because conveyer 3 is clear glass, this specific embodiment determines coin position using infrared two-way emission type sensor,
So as to help the computer software inside computer subsystem 9 accurately to gather the three-dimensional appearance data and surface temperature distribution of coin
Data.
Claims (4)
1. a kind of coin false-identifying device, including two dimensional laser scanning sensor, heating source module, thermal infrared imager module, calculating
Loom system, frame, conveyer, hopper, coin arrangement mechanism, it is characterised in that the two dimensional laser scanning sensor,
Heating source module and thermal infrared imager module are electrically connected between computer subsystem respectively, the two dimensional laser scanning sensing
Device is fixed on frame and above conveyer, and the heating source module and thermal infrared imager module also are secured to frame and position
Above conveyer.
2. according to a kind of coin false-identifying device described in claim 1, it is characterised in that：The conveyer at work,
The amplitude beated on the direction on coin surface is less than 0.5mm, and the transport plane of conveyer is swept with two-dimensional laser
The light curtain for retouching sensor is vertical.
3. according to a kind of coin false-identifying device described in claim 1 or 2, it is characterised in that：Computer subsystem can be just
Take formula and computer, desktop computer, industrial control computer, embedded microprocessor, programmable controller, tablet personal computer wherein one
Kind.
4. according to a kind of coin false-identifying device described in claim 1 or 2 or 3, it is characterised in that to realize coin false distinguishing mesh
Mark, the present apparatus realize that false distinguishing differentiates to coin in terms of coin geometry character detection and material characteristics detect two：
(a) it is lasting to arrangement on conveyer and moving coin progress height and straight using two dimensional laser scanning sensor
Footpath, the measurement of 3 d surface topography, and coherent detection data are sent to computer subsystem, completed by computer subsystem hard
The geometry character detection analysis of coin；
(b) computer subsystem control heating source mould heats to the coin on conveyer, and gathers thermal infrared imager mould
Block detects obtained coin surface temperature delta data, so as to complete specie material feature detection.
Above-mentioned steps (a) and (b) are without sequencing requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311165.4A CN107424286A (en) | 2017-04-25 | 2017-04-25 | A kind of coin false-identifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311165.4A CN107424286A (en) | 2017-04-25 | 2017-04-25 | A kind of coin false-identifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107424286A true CN107424286A (en) | 2017-12-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710311165.4A Pending CN107424286A (en) | 2017-04-25 | 2017-04-25 | A kind of coin false-identifying device |
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| CN (1) | CN107424286A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109251590A (en) * | 2018-08-03 | 2019-01-22 | 中钞油墨有限公司 | Buffer-type magneto discoloration anti-forgery ink composition and its identification device |
| CN109872442A (en) * | 2019-02-15 | 2019-06-11 | 常州万泰天平仪器有限公司 | A kind of Detecting of coin method, system and its coin weight detector |
| CN109919635A (en) * | 2019-02-26 | 2019-06-21 | 河北泊松信息科技有限公司 | A kind of article method for authenticating and device |
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| CN101027757A (en) * | 2004-07-30 | 2007-08-29 | 株式会社半导体能源研究所 | Laser irradiation apparatus and laser irradiation method |
| CN102810222A (en) * | 2011-06-03 | 2012-12-05 | 冲电气工业株式会社 | Coin processing device |
| CN103021067A (en) * | 2012-12-12 | 2013-04-03 | 北京航天测控技术有限公司 | Coin recognition device |
| CN105004758A (en) * | 2015-08-18 | 2015-10-28 | 长沙学院 | Vortex line scanning thermal imaging detection system and method |
| CN105160754A (en) * | 2015-06-25 | 2015-12-16 | 中钞长城金融设备控股有限公司 | Coin surface quality detection apparatus and coin surface quality detection method based on height measurement |
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2017
- 2017-04-25 CN CN201710311165.4A patent/CN107424286A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101027757A (en) * | 2004-07-30 | 2007-08-29 | 株式会社半导体能源研究所 | Laser irradiation apparatus and laser irradiation method |
| CN102810222A (en) * | 2011-06-03 | 2012-12-05 | 冲电气工业株式会社 | Coin processing device |
| CN103021067A (en) * | 2012-12-12 | 2013-04-03 | 北京航天测控技术有限公司 | Coin recognition device |
| CN105160754A (en) * | 2015-06-25 | 2015-12-16 | 中钞长城金融设备控股有限公司 | Coin surface quality detection apparatus and coin surface quality detection method based on height measurement |
| CN105004758A (en) * | 2015-08-18 | 2015-10-28 | 长沙学院 | Vortex line scanning thermal imaging detection system and method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109251590A (en) * | 2018-08-03 | 2019-01-22 | 中钞油墨有限公司 | Buffer-type magneto discoloration anti-forgery ink composition and its identification device |
| CN109872442A (en) * | 2019-02-15 | 2019-06-11 | 常州万泰天平仪器有限公司 | A kind of Detecting of coin method, system and its coin weight detector |
| CN109872442B (en) * | 2019-02-15 | 2021-02-02 | 常州万泰天平仪器有限公司 | Coin detection method and system and coin weight detector |
| CN109919635A (en) * | 2019-02-26 | 2019-06-21 | 河北泊松信息科技有限公司 | A kind of article method for authenticating and device |
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Application publication date: 20171201 |
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