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EP0665970B1 - Vorrichtung und verfahren zum fördern von münzen - Google Patents

Vorrichtung und verfahren zum fördern von münzen Download PDF

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Publication number
EP0665970B1
EP0665970B1 EP93922606A EP93922606A EP0665970B1 EP 0665970 B1 EP0665970 B1 EP 0665970B1 EP 93922606 A EP93922606 A EP 93922606A EP 93922606 A EP93922606 A EP 93922606A EP 0665970 B1 EP0665970 B1 EP 0665970B1
Authority
EP
European Patent Office
Prior art keywords
coin
coins
sensor
sensing
ejector
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.)
Expired - Lifetime
Application number
EP93922606A
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English (en)
French (fr)
Other versions
EP0665970A1 (de
Inventor
Stephen Peter Mitchell
Richard Abdilla
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
De la Rue Systems Ltd
Original Assignee
De la Rue Systems Ltd
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Filing date
Publication date
Application filed by De la Rue Systems Ltd filed Critical De la Rue Systems Ltd
Publication of EP0665970A1 publication Critical patent/EP0665970A1/de
Application granted granted Critical
Publication of EP0665970B1 publication Critical patent/EP0665970B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G07D3/00—Sorting a mixed bulk of coins into denominations
    • G07D3/14—Apparatus driven under control of coin-sensing elements

Definitions

  • the present invention relates to a coin transporting apparatus.
  • Coin transporting apparatus can be used in many different situations. For example, to transport coins for the purpose of counting the total value amount of a quantity of coins, or to split a quantity of coins into preset batch values. Such apparatus can also be used where there is a quantity of coins of mixed denominations to be sorted into quantities of the same denomination for putting into coin bags or the like and/or to transport the coins to a sensing station in order to respectively determine the presence of non-legal tender, for example foreign coins or tokens.
  • the aforementioned can be combined in one apparatus.
  • Known coin transporting apparatus use a rotary wheel having a series of indentations in the edge thereof to collect a coin and transport the coin stepwise to a suitable sensing/validation/counting station by means of rotation of the wheel.
  • Another known apparatus has the coins provided on a plane and guided by a blade or the like to an outlet where each coin is individually split off for sensing/validation/counting. By use of different blades, an element of preliminary sorting can optionally be introduced.
  • Another known arrangement is one in which coins are mechanically located in known, identifiable positions whilst being transported thus allowing coin validation and or ejection to be triggered at a known time(s) and or time interval(s) from a datum.
  • US-A-4558711 describes coin processing apparatus in which coins are inserted in a lump in a coin receiving unit and are transferred through a conveyor section to a temporary retainer section, while the identifying unit identifies the coins when they are successively conveyed, and data concerning the coins identified are produced. After all the coins have been transferred out of the coin receiving unit, the coins are transferred from the temporary retainer section back to the coin receiving unit. When an accept command is inputted by an operator the coins having been transferred to the coin receiving unit are transferred again to the conveyor section, and the identifying unit identifies the coins as to denomination, and the separating devices selectively separate the coins from the conveyor path of the conveyor section in accordance with the result of the identification. The coins separated are led to containers respectively associated with the separating devices.
  • DE-A-2014023 illustrates a coin identification/ validation system comprising a number of coils arranged alongside an inclined ramp down which the coins roll.
  • EP-A-0224946 also discloses a coin sensing system in which certain properties of a coin are measured while the coil runs down a ramp.
  • Another problem with the aforementioned apparatus is that it involves the use of complicated apparatus and that coins must be driven through the apparatus in such a manner that the positions thereof are known at certain times during the transporting operation, e.g. indexing. This has the result that the cost of such apparatus is generally high.
  • a coin transporting apparatus comprising an inclined surface down which coins move in use under gravity; coin discriminating means adjacent the surface for determining a characteristic of a coin moving down the surface; and at least one coin processing station positioned adjacent the surface downstream of the coin discriminating means, the station including a first sensor arranged on, or adjacent to the surface within a distance d above the surface where "d" is the radius of the smallest coin to be sensed, and for sensing the presence of a coin, and an ejector for ejecting a coin from the surface, wherein the sensor senses in use the presence of a coin to determine when a coin is adjacent to the ejector, and wherein the ejector is then activated depending on the characteristic determined by the coin discriminating means.
  • Arranging the first sensor to have a sensing position located no more than a distance d above the surface enables all of the coins to be discretely sensed even if travelling through the apparatus in one or more bunches.
  • This also has the advantage that the coin sensing is not dependent upon the travel time of a coin along the surface, e.g. a ramp, and so it is not necessary to know the location of the coin at various times during its travel along the surface. Also, by locating the first sensor on or adjacent to the inclined surface, even if coins travel along the surface in a bunch, the gaps between the lower edges of adjacent coins allow the presence of discrete coins to still be detected.
  • the inclined surface is in the form of a ramp down which coins roll in use.
  • other forms of inclined surface could be used.
  • coins could slide down a sloping surface on their face.
  • an additional guide is preferably provided to assist in preventing coins from moving too far away from a datum edge guide.
  • the surface could be sloped in two directions.
  • the coin processing station further comprises a second sensor located above the first sensor.
  • a second sensor located above the first sensor. This has the advantage, particularly in the case of a ramp, that a coin can be sensed by the second sensor even if it should bounce on the rolling surface/datum edge guide of the ramp such that it is not detected by the first sensor located on or adjacent to the rolling or sliding surface of the ramp.
  • the spacing between the first and second sensors may be variable. This enables the spacing to be set in accordance with, for example, the angle of inclination of the ramp, in order to maximise the probability that the second sensor senses a coin which bounces on the ramp and is not sensed by the first sensor.
  • the first and/or second sensor may be of any conventional type, for example optical sensors, but preferably comprise electromagnetic sensors such as eddy current coils or Hall effect sensors.
  • five coin processing stations are provided spaced apart along the inclined surface.
  • the coin discriminating means may be of any conventional form, for example comprising eddy current coils.
  • the first and/or second sensor of a coin processing station may be positioned relative to the ejector such that a coin can be sensed and ejected at substantially the same position.
  • the first and/or second sensor may be positioned upstream of the ejector by an amount whereby a timed interval will pass between the coin being sensed by the first and/or second sensor and being in the vicinity of the ejector.
  • the first and/or second sensor will be sufficiently close to the ejector such that the time of travel of the coin between the sensor and the ejector will not effect the accuracy of the coin ejection.
  • the apparatus can be used in a number of different ways. In a very simple application, the apparatus can be used for batching coins. In this application, coins are either rejected or fed to a storage location. For example, if the coin discrimination means determines that a coin does not constitute one which should be batched, then the ejector is not activated and the coin will simply pass to a reject position. Otherwise, the coin will be ejected into a batch.
  • the coin transporting apparatus may form part of coin sorting apparatus in which two or more different types of coin can be sorted.
  • the apparatus may include a number of coin processing stations spaced apart along the inclined surface; and control means responsive to the output from the coin discrimination means to cause an appropriate one of the coin processing stations to eject the coin as it passes.
  • a method of transporting coins comprises causing the coins to move down an inclined surface under gravity; determining a characteristic of a coin moving down the surface; and at a position downstream of the determining position, sensing the presence of the coin at a position located no more than a distance d above the surface where "d" is the radius of the smallest coin to be sensed and ejecting the coin at a position adjacent the sensing position depending on the predetermined characteristic.
  • the step of sensing the presence of a coin preferably comprises sensing the leading or trailing edge of a coin. This has the advantage of improving the accuracy with which the presence of a discrete coin can be sensed without confusion with coins travelling adjacent thereto.
  • a coin validation apparatus 1 embodying the present invention is provided with a pair of electromagnetic eddy current coin sensing coils 2 and a coin validator 3, for identifying the denomination of passing coins in known manner.
  • the sensing coils 2 are arranged adjacent to an inclined ramp 4 along the rolling surface of which coins to be validated are maintained in a particular orientation (e.g. upright) such that they roll down the ramp 4 in the direction of arrow A shown in Figure 1.
  • the coins are introduced onto the ramp 4 by any suitable means such as a rotating disc, which is known in the art and will therefore not be described herein in greater detail.
  • the coils 2 may be operated as described in PCT/GB 93/01724 incorporated herein by reference.
  • the sensing coils 2 are arranged at the upstream end of the ramp 4.
  • the sensing coils 2 generate a magnetic pulse which induces eddy currents in a coin passing the sensing coils 2, and the eddy currents decay in a manner which depends upon the denomination of the coin. These decaying eddy currents are then detected by the sensing coils 2 which produce a signal for each passing coin which is passed to the validator 3, which compares the signal with reference values corresponding to known coin denominations stored therein in order to determine the denomination of each coin passing the sensing coils 2.
  • the validator 3 is connected via a central processing unit (CPU) 5 to a control unit 6, which is in turn connected to five coin ejection units 7 arranged at the downstream part of the ramp 4 for ejecting a coin from the ramp 4 when actuated by the control means 6.
  • Each ejection unit 7 comprises a first electromagnetic coin sensing coil 8, a second electromagnetic coin sensing coil 9 and an ejection solenoid 10.
  • the first sensing coils 8 and the second sensing coils 9 are eddy current sensing coils.
  • Each sensing coil 8 is arranged with its centre on the rolling surface of the ramp 4.
  • Each second sensing coil 9 is spaced from the rolling surface of the ramp 4 such that it is located above the corresponding sensing coil 8, and each ejection solenoid 10 is arranged adjacent to the rolling surface of the ramp 4 and slightly downstream of the corresponding sensing coil 8.
  • the arrangement of each sensing coil 8 and the corresponding further sensing coil 9 is shown in greater detail in Figure 2.
  • the apparatus 1 is switched on and the sensing coils 2, 8, second sensing coils 9 and ejection solenoids 10 are reset.
  • a batch of coins to be sorted into separate quantities according to denomination is then fed onto the ramp 4 such that the coins roll or slide on their edges down the ramp 4 under the influence of gravity.
  • each coin 11 passes the sensing coils 2 at the upstream part of the ramp 4, its denomination is identified by means of the sensing coils 2 in combination with the validator 3, and a train of signals corresponding to the denomination of each coin and the order in which it passes the sensing coils 2 is passed to the CPU 5.
  • the coin sensing coils 8 and 9 of each ejection unit 7 senses the leading or trailing edge of each coin 11 rolling down the rolling surface of the ramp 4.
  • Each second sensing coil 9 is spaced from the rolling surface of the ramp 4 by an amount which maximises the probability of that further sensing coil 9 detecting the presence of a coin bouncing on the ramp 4.
  • the connection between the CPU 5 through the control unit 6 to the coin ejection units 7 enables the sensing carried out at each ejection unit 7 to be correlated with the information regarding the denomination of each coin rolling down the ramp 4 and the order in which it rolls down the ramp 4.
  • the control means 6 actuates the corresponding ejection solenoid 10 to eject the coin from the ramp 4 into a coin slot, container, further transport path or the like (not shown) for that denomination.
  • a signal is fed to the CPU 5 to update the information stored therein relating to the denomination and order of the coins rolling down the ramp 4.
  • FIG. 2 shows a particular situation in which three coins 11 travel in a bunch along the ramp 4. Because each of the coin sensing coils 8 is arranged with its centre on the rolling surface of the ramp 4, even if two coins 11 are in touching contact with each other, the gap between the lower portions of adjacent coins 11 on the rolling surface of the ramp 4 can be detected by the coil 8, so that discrete coins 11 can be detected even when they are rolling down the ramp 4 in a bunch.
  • the embodiment describes a coin validation apparatus 1 in which coins of different denominations are sorted according to the respective denominations of the coins, whereas it is possible to feed coins of a single denomination through the apparatus 1 in order to sort the coins into predetermined quantities.
  • the number of ejection units 7 is not limited to five, and any suitable number of ejection units 7 may be used.
  • the spacing between the first sensing coils 8 and the second sensing coils 9 is not limited to that shown in Figure 2, and the spacing therebetween may be varied in accordance with the angle of inclination of the ramp 4.
  • the position of the solenoid 10 may be upstream relative to the coils 8 and 9 or centrally located therebetween.
  • the embodiment described shows a separate validator 3, CPU 5 and control means 6, whereas it is possible to combine all three components into a single microprocessor.
  • the centre of coil 8 is shown on the rolling surface of the ramp, it may be raised or lowered relative to that surface up to about the radius of the smallest coin in use. It is also possible the electromagnetic detector coil(s) could be shaped to enhance the benefit provided by positioning the detection point where maximum length between coin circumference should occur. Alternatively, Hall effect transducers, optical or other conventional detectors could be used. Likewise, the solenoid ejectors used in the example could be replaced by, for example, air jets.
  • coin should be construed broadly, such as a form of money or the like, e.g. tokens, currency coins etc.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Coins (AREA)

Claims (12)

  1. Münzfördervorrichtung umfassend eine Oberfläche (4), entlang der sich bei Verwendung Münzen bewegen; eine Münzunterscheidungseinrichtung (2) nahe der Oberfläche zum Bestimmen einer Eigenschaft einer Münze, die sich entlang der Oberfläche bewegt; und mindestens eine Münzverarbeitungsstation (7), die nahe der Oberfläche stromabwärts der Münzunterscheidungseinrichtung angeordnet ist, wobei die Station einen ersten Fühler (8) zum Erfassen der Gegenwart einer Münze und eine Ausstoßvorrichtung (10) zum Ausstoßen einer Münze von der Oberfläche einschließt, worin bei Verwendung der erste Fühler (8) die Gegenwart einer Münze erfaßt, um zu bestimmen, wenn eine Münze nahe der Ausstoßvorrichtung ist, und worin die Ausstoßvorrichtung (10) dann in Abhängigkeit von der Eigenschaft betätigt wird, die durch die Münzunterscheidungseinrichtung bestimmt worden ist, dadurch gekennzeichnet, daß die Oberfläche (4) eine geneigte Oberfläche ist, auf der sich bei Verwendung die Münzen abwärts aufgrund des Eigengewichts bewegen, und worin der genannte erste Fühler (8) auf oder nahe der Oberfläche in einem Abstand d oberhalb der Oberfläche angeordnet ist, wo d der Radius der kleinsten Münze ist, die erfaßt werden soll.
  2. Vorrichtung gemäß Anspruch 1, worin die Oberfläche (4) geeignet ist, den Münzen zu ermöglichen, darauf entlang zu rollen.
  3. Vorrichtung gemäß Anspruch 1 oder Anspruch 2, worin der erste Fühler (8) einen elektromagnetischen Fühler umfaßt.
  4. Vorrichtung gemäß irgendeinem der vorhergehenden Ansprüche, worin bei der Münzverarbeitungsstation (7) ein zweiter Fühler (9) oberhalb des ersten Fühlers (8) vorgesehen ist.
  5. Vorrichtung gemäß Anspruch 4, worin der Abstand zwischen dem ersten und dem zweiten Fühler (8, 9) veränderbar ist.
  6. Vorrichtung gemäß Anspruch 4 oder Anspruch 5, worin der zweite Fühler (9) ein elektromagnetischer Fühler ist.
  7. Vorrichtung gemäß irgendeinem der vorhergehenden Ansprüche, worin der erste und/oder zweite Fühler (8, 9) eine Erregung in einer Spule erfassen kann.
  8. Vorrichtung gemäß irgendeinem der vorhergehenden Ansprüche, worin die Ausstoßvorrichtung (10) eine Solenoid-Ausstoßvorrichtung umfaßt.
  9. Vorrichtung gemäß irgendeinem der vorhergehenden Ansprüche, worin der erste und/oder zweite Fühler (8, 9) relativ zu der Ausstoßvorrichtung (10) so angeordnet sind, daß eine Münze an im wesentlichen der gleichen Position erfaßt und ausgestoßen werden kann.
  10. Vorrichtung gemäß irgendeinem der vorhergehenden Ansprüche, wobei die Vorrichtung eine Anzahl von Münzverarbeitungsstationen (7), die entlang der geneigten Oberfläche (4) voneinander beabstandet sind, und eine Steuereinrichtung (5, 6) einschließt, die auf den Ausgang von der Münzunterscheidungseinrichtung reagiert, um zu bewirken, daß eine geeignete der Münzverarbeitungsstationen die Münze ausstößt, wenn sie sich vorbeibewegt.
  11. Ein Verfahren zum Fördern von Münzen umfassend, bewirken, daß sich die Münzen entlang einer Oberfläche bewegen; Bestimmen eines Merkmals einer Münze, die sich entlang der Oberfläche bewegt; und, an einer Position stromabwärts der Bestimmungsposition, Erfassen der Gegenwart der Münze und Ausstoßen der Münze an einer Position nahe der Erfassungsposition in Abhängigkeit von dem vorbestimmten Merkmal, dadurch gekennzeichnet, daß die Oberfläche (4) eine geneigte Oberfläche ist, auf der sich die Münzen durch das Eigengewicht abwärts bewegen, und worin die Gegenwart der Münze an einer Position erfaßt wird, die sich nicht mehr als eine Strecke d oberhalb der Oberfläche befindet, wo "d" der Radius der kleinsten Münze ist, die erfaßt werden soll.
  12. Ein Verfahren gemäß Anspruch 11, worin der Erfassungsschritt das Erfassen des vorderen oder hinteren Randes der Münze umfaßt.
EP93922606A 1992-10-19 1993-10-15 Vorrichtung und verfahren zum fördern von münzen Expired - Lifetime EP0665970B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9221868 1992-10-19
GB929221868A GB9221868D0 (en) 1992-10-19 1992-10-19 Coin transporting apparatus
PCT/GB1993/002138 WO1994009451A1 (en) 1992-10-19 1993-10-15 Coin transporting apparatus and method

Publications (2)

Publication Number Publication Date
EP0665970A1 EP0665970A1 (de) 1995-08-09
EP0665970B1 true EP0665970B1 (de) 1997-05-07

Family

ID=10723642

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93922606A Expired - Lifetime EP0665970B1 (de) 1992-10-19 1993-10-15 Vorrichtung und verfahren zum fördern von münzen

Country Status (5)

Country Link
EP (1) EP0665970B1 (de)
AU (1) AU5154693A (de)
DE (1) DE69310530T2 (de)
GB (1) GB9221868D0 (de)
WO (1) WO1994009451A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3683483B2 (ja) * 2000-08-28 2005-08-17 ローレル精機株式会社 硬貨包装機

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1524708C2 (de) * 1966-11-21 1971-10-21 Zschaeck, Herbert Karl, 6941 Ober flockenbach Muenzsortiereinrichtung
DE2014023A1 (de) * 1970-03-24 1971-10-07 Nat Rejectors Gmbh Vorrichtung zum Prüfen der Eigen schäften von Metallscheiben
US4558711A (en) * 1983-07-08 1985-12-17 Glory Kogyo Kabushiki Kaisha Coin processing apparatus
DK158418C (da) * 1985-11-27 1990-10-22 Standard Electric Kirk Fremgangsmaade til identificering af moenter og apparat til brug ved udoevelse af fremgangsmaaden
DE3907354A1 (de) * 1989-03-08 1990-09-13 Reis Standardwerk Sortiereinrichtung fuer muenzen oder dergleichen scheibenfoermige gegenstaende

Also Published As

Publication number Publication date
DE69310530T2 (de) 1997-11-06
AU5154693A (en) 1994-05-09
GB9221868D0 (en) 1992-12-02
DE69310530D1 (de) 1997-06-12
EP0665970A1 (de) 1995-08-09
WO1994009451A1 (en) 1994-04-28

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