EP2659462A1 - Apparatus and method for coin recognition - Google Patents
Apparatus and method for coin recognitionInfo
- Publication number
- EP2659462A1 EP2659462A1 EP11754320.7A EP11754320A EP2659462A1 EP 2659462 A1 EP2659462 A1 EP 2659462A1 EP 11754320 A EP11754320 A EP 11754320A EP 2659462 A1 EP2659462 A1 EP 2659462A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- conveyor
- conveyed
- detector
- inductive
- detection
- 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.)
- Withdrawn
Links
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
Definitions
- the invention relates to a device for detecting coins and other coin-like conveyed by means of a conveyor for transporting the separated conveyed material, wherein the conveyor runs in a detection area of a detector, and has a centering device for the defined orientation of the conveyed relative to the detector, according to the preamble of Claim 1.
- the invention further relates to a method for detecting coins and other coin-like conveyed goods, according to the preamble of claim 6.
- Claim 1 refers to a device for the detection of coins and other coin-like conveyed by means of a conveyor for transporting the separated conveyed, wherein the conveyor extends in a detection area of a detector, and has a centering device for the defined orientation of the conveyed relative to the detector.
- the detector is an inductive analog sensor and the drive of the conveyor is coupled to an incremental rotary encoder.
- Inductive analogue sensors are suitable for non-contact distance or position measurement of metallic conveyed material.
- the measuring principle is based on the physical effect of the quality change of a resonant circuit, which is caused by eddy current losses in the conductive material.
- the high-frequency alternating field of an LC resonant circuit occurs at the active surface of the sensor and is periodically excited by a pulse level. As soon as the electrically conductive material passes into the alternating field, and thus the detection range of the sensor, eddy currents occur. The resonant circuit is therefore deprived of energy and affects its amplitude and decay time in proportion to the object distance.
- Microprocessor subsequently takes over the integration of the energy of the resonant circuit and determines the high-resolution output signal. If the distance between the conveyor and the inductive analog sensor is known, it can be concluded from the change in the output signal of the inductive analog sensor in a known manner to the thickness of the conveyed material.
- the electromagnetic field is non-reactive, since it is in Conveyed material causes neither warming nor a magnetic influence. Sensors with measuring ranges between 0 and 150 mm are available, with accuracies of up to 10 mm can be achieved for measuring ranges up to 1/100 mm. Therefore, not only the thickness but also details of the surface finish of the coin can be recognized, such as circumferential, raised outer rings.
- the diameter determination takes place with the aid of the inventively provided incremental rotary encoder, which is coupled to the drive of the conveyor.
- the detected entry and exit of the conveyed material into or out of the detection range of the inductive analog sensor can thus be linked to a time information, namely the number of, dependent on the conveying speed of the conveyor number of pulses of the incremental encoder.
- Rotary encoders are used in a known manner for measuring measured variables such as distances, speeds or angles of rotation of a rotatable object connected to the rotary encoder, in the present case the drive of the conveyor.
- At least two inductive analog sensors are provided, which are arranged one behind the other parallel to the conveying direction of the conveyor.
- the conveyor is designed as an inclined conveyor, and the centering comprises pairs of driving pins for receiving a respective individual conveyed. Due to the oblique arrangement of the conveyor in the detection area, namely, the conveyed is taken by gravity safely by the two driving pins. To simplify the measurement while the inductive analog sensor is symmetrical to the driving pin be arranged so that it is ensured that always the largest diameter of the conveyed material is detected.
- a simple embodiment of the conveyor provides, for example, that the conveyor comprises two parallel toothed belts, wherein in each case a driving pin is arranged on one of the two toothed belts. It can be arranged in the detection area between the timing belt, a central web which projects slightly beyond the two toothed belts. As a result, the conveyed goods are entrained along the central web by the conveying carrier bolts, so that secure centering and smooth mounting between the driving bolts is ensured in the detection area, whereby a uniform scanning of the conveyed material is ensured.
- the middle bar in this way also represents a well-defined reference area for the inductive analog sensor, so that an accurate
- Thickness determination of the conveyed material can be achieved.
- the timing belt and a link chain or the like could be used instead of the timing belt and a link chain or the like.
- a method is further proposed for detecting coins and other coin-like conveyed material by means of a conveyor which moves the singulated conveyed material along a conveying direction through a detection area of a detector. According to the invention, it is provided that, in a first method step, the entry of an isolated material to be conveyed into the
- Detection range of, designed as an inductive analog sensor detector is detected, and in a second step, the outlet of the separated conveyed material from the detection range of the detector is detected, and the diameter of the conveyed in the conveying direction using the number of counted pulses between the inlet and outlet of the transported material one, with the drive of the conveyor coupled incremental encoder is determined.
- the Diameter of the transported material is determined.
- the use of a centering device is crucial, so that the same conveyed always the same length of stay in the detection range of the inductive analog sensor is determined.
- the thickness of the separated conveyed material is determined as a function of the number of pulses of the incremental rotary encoder with the aid of the inductive analogue sensor.
- the thickness determination surface structures of the material to be conveyed can also be scanned in order to obtain additional distinguishing features, such as the presence of peripheral, raised outer rings in the case of coins.
- a coupling with the incremental encoder is not essential, since this information can be obtained without temporal resolution from the output signal of the inductive analog sensor.
- Fig. 1 is a schematic representation of a side view of an embodiment of a device according to the invention.
- Fig. 2 is a view of the embodiment of FIG. 1 seen from above.
- Fig. 1 shows a schematic representation of a side view of a device according to the invention with a conveyor 1, which is formed in the illustrated embodiment as an inclined conveyor with two parallel toothed belt.
- the conveyor 1 is provided with pairs of driving pins 2, wherein in each case a driving pin 2 is arranged on one of the two toothed belts.
- the driving pins 2 serve on the one hand as a driver for the coin-like conveyed 4, and on the other hand as a centering device, as will be explained in more detail.
- a central web 5 can be arranged between the toothed belts (see FIG. 2), which projects slightly beyond the two toothed belts.
- the conveyed material 4 is entrained by the conveying carrier pins 2 via the central web 5, so that secure centering and smooth mounting between the driving pins 2 is ensured in the detection region, whereby a uniform scanning of the conveyed product 4 is ensured.
- the central web 5 also represents a well-defined reference surface for the inductive analog sensors 3, 7, so that a precise thickness determination of the conveyed good 4 can be achieved.
- the two toothed belts are driven approximately by a common toothed disc, so that a horizontally constant positioning of the conveyed material 4 is ensured.
- two inductive analog sensors 3, 7 are provided, which are arranged one behind the other parallel to the conveying direction R of the conveyor 1. As a result, disturbing influences on the measurement, such as vibrations of the conveyed material 4, can be reduced.
- the drive of the conveyor 1 is coupled to an incremental rotary encoder 6, which supplies a pulse-shaped output signal as a function of the conveying speed of the conveyor 1. Due to the number of pulses thus the residence time of the conveyed material 4 in the detection range of the inductive analog sensors 3, 7, and thus the diameter D of the detected conveyed 4 are determined. The smaller the diameter D of the conveyed material 4, the fewer pulses of the incremental rotary encoder 6 are counted.
- the inductive analog sensor 3, 7 and the incremental rotary encoder 6 are connected to a data processing unit, such as a microprocessor, which is composed of the residence time of a conveyed item 4 in FIG Detection range of the inductive analog sensor 3, 7 determines the diameter of the corresponding material to be conveyed 4.
- a data processing unit such as a microprocessor, which is composed of the residence time of a conveyed item 4 in FIG Detection range of the inductive analog sensor 3, 7 determines the diameter of the corresponding material to be conveyed 4.
- corresponding software for linking the measured data with a specific conveyed item 4, that is to say a specific coin is also stored in the data processing unit.
- the thickness of the separated product 4 is determined as a function of the number of pulses of the incremental encoder 6 with the aid of the inductive analog sensors 3, 7.
- a coupling with the incremental encoder 6 is required not necessarily required, since this information can be obtained without temporal resolution from the output signal of the inductive analog sensor.
- the inductive analog sensor 3, 7 thus information about the thickness of the conveyed material 4, its diameter, as well as details of its surface texture can be obtained.
- the knowledge of the most extensive information is for a reliable detection of the conveyed 4, eg coins, advantageous.
- the device according to the invention By means of a data processing unit, such as a microprocessor, the device according to the invention, the measurement data to the corresponding conveyed 4, for example, by accessing provided databases, assigned. If the conveyed 4 has been detected, this information can be used, for example, for determining the value, that is to say for counting the coins.
- the device according to the invention can also be used for identification used by counterfeits and counterfeit coins. In this case, the measurement data can not be assigned to stored data.
- the device according to the invention or the method according to the invention thus requires neither light sources nor a corresponding optics, and is thus largely insensitive to dirt.
- the invention therefore realizes a device or a method for detecting coins and other coin-like material to be conveyed, on the one hand a reliable detection of the conveyed material even with temporarily disturbing influences, such as movements or vibrations of the conveyed material is ensured, and on the other hand, no sensitivity given to contamination.
- the device according to the invention is simple in structure and therefore also inexpensive.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT21542010A AT509885B1 (en) | 2010-12-28 | 2010-12-28 | APPARATUS AND METHOD FOR COIN DETECTION |
PCT/EP2011/063855 WO2012089353A1 (en) | 2010-12-28 | 2011-08-11 | Apparatus and method for coin recognition |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2659462A1 true EP2659462A1 (en) | 2013-11-06 |
Family
ID=44582951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11754320.7A Withdrawn EP2659462A1 (en) | 2010-12-28 | 2011-08-11 | Apparatus and method for coin recognition |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2659462A1 (en) |
AT (1) | AT509885B1 (en) |
DE (1) | DE202011051121U1 (en) |
WO (1) | WO2012089353A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2846313B1 (en) | 2013-09-05 | 2021-04-28 | Wincor Nixdorf International GmbH | Coin separation system |
EP2966627B1 (en) | 2014-07-11 | 2022-06-01 | Wincor Nixdorf International GmbH | Money box incorporating inductive sensor for determining the position of mobile elements |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH670717A5 (en) * | 1986-05-14 | 1989-06-30 | Autelca Ag | |
US5353906A (en) * | 1991-02-28 | 1994-10-11 | Takamisawa Cybernetics Co. Ltd. | Metal body discriminating apparatus |
GB2266804B (en) * | 1992-05-06 | 1996-03-27 | Mars Inc | Coin validator |
US6340082B1 (en) * | 1999-10-22 | 2002-01-22 | Japan Tobacco Inc. | Coin discriminating apparatus |
JP2001175912A (en) * | 1999-12-21 | 2001-06-29 | Laurel Bank Mach Co Ltd | Coin discriminating device |
GB2414545A (en) * | 2004-05-28 | 2005-11-30 | Leisure Link Holdings Ltd | Method for identifying and sorting objects |
JP2008003666A (en) * | 2006-06-20 | 2008-01-10 | Oki Electric Ind Co Ltd | Coin recognition device |
AT507222B1 (en) * | 2008-10-07 | 2010-03-15 | Novotech Elektronik Gmbh | AUTOMATIC DIAMETER DETERMINATION OF COINS |
-
2010
- 2010-12-28 AT AT21542010A patent/AT509885B1/en not_active IP Right Cessation
-
2011
- 2011-08-11 EP EP11754320.7A patent/EP2659462A1/en not_active Withdrawn
- 2011-08-11 WO PCT/EP2011/063855 patent/WO2012089353A1/en active Application Filing
- 2011-08-26 DE DE201120051121 patent/DE202011051121U1/en not_active Expired - Lifetime
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2012089353A1 * |
Also Published As
Publication number | Publication date |
---|---|
AT509885B1 (en) | 2011-12-15 |
DE202011051121U1 (en) | 2011-11-09 |
WO2012089353A1 (en) | 2012-07-05 |
AT509885A4 (en) | 2011-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2325457A1 (en) | DEVICE FOR MEASURING THE DISTANCE OF SURFACES MADE OF TRANSPARENT MATERIAL | |
EP0793115A3 (en) | Laser radar scanner with millimeter resolution | |
EP0039900A2 (en) | Method and apparatus for angular rate measurement of a rotating body | |
DE4305559A1 (en) | Arrangement and method for detecting the contours of objects | |
DE2713844C3 (en) | Device for recognizing the value of coins or the like. Objects | |
EP1024372B1 (en) | Device for position detection | |
DE2555975A1 (en) | Optoelectrical dimension measurement of moving objects - uses silhouette sensing technique for objects on conveyor such as dia. of wooden logs | |
EP2335225B1 (en) | Automatic diameter determination of coins | |
EP0952082A2 (en) | Apparatus for inspecting units comprising a plurality of objects, layers of material or the like | |
AT509885B1 (en) | APPARATUS AND METHOD FOR COIN DETECTION | |
DE2750109C2 (en) | Device for non-contact measurement of linear distances, in particular the diameter | |
DE2650422B1 (en) | DISTANCE MEASURING DEVICE | |
EP0726445A2 (en) | Procedure and device to measure the volume of a moving object | |
EP1377802B1 (en) | Device and method for checking the level of moving transparent containers | |
WO1994023850A1 (en) | Device for assessment of moving objects | |
DE102010018450B3 (en) | Detector for determining slip between conveyor belt and e.g. semiconductor wafer, has evaluation unit determining speeds of conveyor belt by using time-dependent detection signal and determining whether determined speeds are different | |
DE102019113599B3 (en) | Radar measurement arrangement | |
EP0927887A1 (en) | Method for detecting periodic defects in a sample in motion | |
DE2410110A1 (en) | Bottle checking and sorting installation - uses oscillating circuit to sort out bottles containing cleaning liquid remainders before re-use | |
EP0813913A2 (en) | Method for recognizing overlapping between flat mail objects | |
DE4444105C2 (en) | Device for detecting a thread-like foreign body in a coin device | |
DE4115350A1 (en) | Foreign body detection appts. for material flow, esp. of food - compares signals from two spaced apart detectors after filtering noise signal, to allow detection of very small foreign body | |
EP0546341A1 (en) | Coin testing method | |
DE19512124C2 (en) | Device for checking bottles for deviations from the norm in the form of damage and / or foreign bodies, in particular for detecting residual liquids | |
DE102016006426B4 (en) | Counting of containers with matching predefined dimensions on a transport device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20130620 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAJ | Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted |
Free format text: ORIGINAL CODE: EPIDOSDIGR1 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20180404 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20180815 |