JP3220242B2 - Banknote recognition device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a bill validating apparatus,
In particular, the present invention relates to prevention of illegal withdrawal operation of genuine bills.

[0002]

2. Description of the Related Art A bill conveying path of a bill discriminating apparatus is constituted by two conveying plates opposed to each other with a predetermined gap, and a bill conveying means constituted by a belt, a roller or the like is provided in the bill conveying path. A magnetic head and an optical sensor, which are information detecting means for identifying a bill, are provided, and in the process of transporting the bill inserted into the bill identifying device by the bill transporting means, identification information is obtained from the bill via the magnetic head or the optical sensor. The banknotes are collected, the authenticity and the type of the banknotes are determined based on the identification information, and the operation of taking in and returning the banknotes is performed.
As a means for preventing a bill extracting operation on the bill identifying device, a shutter member for closing the bill conveying path is provided behind information detecting means such as a magnetic head or an optical sensor, and when the bill passes through the shutter member. Japanese Patent Application Laid-Open No. Sho 54-130996 and Japanese Utility Model Publication No. Sho 55-3, which output a judgment signal after closing a banknote conveying path.
No. 3421, Japanese Utility Model Publication No. 48-4956, and the like, and a shutter member for closing the bill conveyance path is disposed in front of information detecting means such as a magnetic head or an optical sensor, and the inserted bill is inserted inside the bill conveyance path. A bill discriminating apparatus in which extraction is prohibited in a completely loaded state to collect identification information and output a judgment signal is disclosed in Japanese Utility Model Laid-Open Publication No. 63-16363.
And JP-A-51-32694.

[0003]

However, in this kind of bill discriminating apparatus, it is necessary to return counterfeit coins and bad banknotes, so that when detecting counterfeit coins, the shutter member is once released to reversely convey the banknotes. There is a case where a malicious unauthorized extracting operation using such characteristics is performed. For example, a genuine bill consisting of a genuine banknote with a fishing line attached thereto and a plastic piece of a genuine banknote size is prepared, and once the genuine banknote is inserted and the bill identifying device performs an identification operation, the fishing line and the like are removed. If you pull and insert a fake coin while holding the bill in the bill transport path,
The bill discriminating device opens the shutter member in order to return the newly inserted counterfeit coin. At this time, if the fishing line or the like is pulled back well, the original bill inserted first without any interference by the shutter member can be easily removed. be able to.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned drawbacks of the prior art, and to ensure that even if the shutter member is opened by the additional insertion operation of counterfeit coins, the illegal insertion operation of the initially inserted banknote is ensured. It is another object of the present invention to provide a banknote recognition device that can be prevented.

[0005]

The bill discriminating apparatus according to the present invention is provided with bill transport means for transporting inserted bills between upper and lower transport plates opposed to each other with a predetermined gap. Along with the direction of insertion of the banknote, information detecting means for banknote identification, and a shutter member for detecting passage of the banknote and closing the banknote transport path are provided, and the shutter member moves the banknote transport path. in the banknote identification apparatus that outputs a bill determination signal when closed, the bill transportable
The bill insertion port to the feed path is opened obliquely downward, and the height gradually increases from the lower transport plate toward the back from the front of the bill transport path, and the final height of the bill transport path is High
A plurality of ribs having a slope which projects to the direction halfway in the vicinity of the shutter member deployed position of the transport plates of the lower, achieves the above object by the configuration, characterized in that the lateral set at intervals did.

[0006]

[Effect] The first and second genuine banknotes with the fishing line and the like are attached.
When the bill is inserted into the bill transport path composed of the transport plate, the transport of the bill by the bill transport means is started, and the information detecting means detects information for identifying the bill during the transport of the bill. When the shutter member detects the passage of the genuine bill, the bill conveying path is closed by the shutter member and a bill judgment signal is output, and the genuine bill is on the slope of the plurality of ribs protruding beyond the bill conveying surface. After getting over the ribs while being guided along, the paper money is taken into the paper money transfer device along the paper money transfer surface. In addition, fishing lines and the like fall between the ribs protruding beyond the bill conveying surface. Further insertion of counterfeit coins starts conveyance of counterfeit coins by the banknote conveying means, and information detecting means detects information for banknote identification in the process of conveying banknotes, determines that the banknotes are counterfeit, and returns the counterfeit coins. Open the shutter. In this state, pulling a fishing line or the like to reverse the genuine bill along the bill transport surface causes a plurality of genuine bills taken along the bill transport surface to protrude beyond the bill transport surface. It is held by the end of the rib on the opposite side of the slope, so that it is impossible to remove a genuine bill.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a view showing the appearance of a banknote recognition device 1 according to one embodiment, in which the banknote recognition device 1 is placed upright. FIG. 1 (a) is a plan view, FIG. FIG. 1D is a rear view, and FIG.
(E) is a left side view. FIGS. 2 and 3 are cross-sectional views showing the internal structure of the bill validator 1. FIG.
FIG. 3 is a longitudinal sectional view corresponding to FIG. 1C, and FIG. 3 is a longitudinal sectional view corresponding to FIG.

As shown in FIGS. 1 (a) to 1 (e), the exterior of the bill discriminating apparatus 1 has a front mask 2 forming a front surface thereof, and a right side plate 3 and a left side plate 4 forming both sides. And a bracket member 5 constituting a part of the upper surface thereof, a bottom plate 6 constituting a lower surface thereof, and a back plate 7 constituting a back surface thereof, and furthermore, a swingably mounted swingably mounted on an upper portion of the apparatus main body. The left side plate 4 is provided with a control box 10 including various electric components such as a microprocessor for driving and controlling each part of the device. The control box 10 includes a plurality of screws 1.
It is fixed by 1. The notch 24 located on the back of the control box 10 is
0 is a cord through hole for taking out a connection cord from the control board provided inside the outside.

The front mask 2 is a synthetic resin member integrally formed by injection molding or the like. As shown in FIG. 1B, a U-shaped notch 12 is provided at the four corners on the outer peripheral portion. Flange portion 13 is provided. The front edge 5a of the bracket member 5 and the front edge 6a of the bottom plate 6 formed of a metal plate are shown in FIGS.
Is bent outward at a substantially right angle,
It is fixed to the front mask 2 by screws 17 and 18 passed from the front surface of the flange portion 13 via female screws 15 and 16 tapped on both sides of the front edge portion 5a and the front edge portion 6a, and furthermore, by a metal plate. Each of the formed right side plate 3 and left side plate 4 is shown in FIG.
(C) and screws 19 and 20 passed through tongue pieces 5b and 6b provided on both sides of bracket member 5 and both sides of bottom plate 6 as shown in FIG.
As a result, they are fixed to the bracket member 5 and the bottom plate 6, and these exterior members are assembled integrally.

The front edge 5a of the bracket member 5 and the front edge 6a of the bottom plate 6 are formed in substantially the same shape as the upper and lower portions of the flange portion 13 as shown in FIGS. U-shaped notch 21 similar to section 13
Is provided. In addition, the back plate 7 covering the back portion of the bill validator 1 is bent at a substantially right angle to position the bent portion 7a covering a part of both sides of the device 1 inside the right side plate 3 and the left side plate 4. As shown in FIG. 1 (c), it is fixed to the right side plate 3 and the left side plate 4 by respective screws 22 passed from the outside of the right side plate 3 and the left side plate 4.

When the bill validator 1 is mounted on a vending machine, a game machine, or the like, the front mask 2 of the validator 1 is fitted into a rectangular hole formed in a panel of the machine.
The front mask 2 and the bracket member are passed through bolts through the flange portion 13 of the front mask 2 and the U-shaped notch provided on the front edge portion 5a of the bracket member 5 and the front edge portion 6a of the bottom plate 6 which overlap with the flange portion 13. 5 and the bottom plate 6 are fixed to a panel of a vending machine, a game machine, or the like.

As shown in FIGS. 1B and 1C, a bill insertion slot 2 is provided on the front of the front mask 2.
The vessel 14 provided with 3 is integrally provided so as to protrude forward, and various kinds of bills are inserted into the bill discriminating apparatus 1 through the bill insertion slot 23.

Next, the internal structure of the bill validator 1 will be described mainly with reference to FIGS.

First, a fitting member 25 as shown in FIGS. 1 (b) and 2 is fitted inside the lower bezel 14b constituting a part of the bezel 14 so as to entirely cover the upper surface thereof. Further, light emitting diodes 26 are inserted on both sides of the back surface of the fitting member 25. The fitting member 25 is made of a colored translucent synthetic resin material, and the upper surface thereof is
1A, but only the portion corresponding to the insertion position of the light emitting diode 26 has a stepped recess 27 as shown in FIGS. 1B and 2. And a sufficient amount of light is emitted toward the front of the front mask 2.
As shown in FIG. 2, the light emitting diode 26 is fixed to the inside of the main body of the front mask 2 via a lamp socket 28 and a lamp board 29. A drain 30 for discharging the water is provided. The inner surface of the upper bezel 14a, the slope of the fitting member 25, and the upper bezel 1
The ribs 32 erected at regular intervals in the width direction on the inner side of the main body of the front mask 2 corresponding to the position 4a constitute a guide member for guiding the inserted bill to a bill conveyance path 31 described later. ing.

As shown in FIG. 2, the bill transport path 31 is fixedly provided between a first transport plate 33 constituting a part of the swing unit 8 and the right side plate 3 and the left side plate 4. The right and left side plates 3 and 3 via an arm 35 extending forward from both sides thereof and a pivot shaft 36 at the tip of the arm. 4 and is pivotally connected between the two.

A driven-side timing pulley 3 is provided on both sides of the lower surface of the second transfer plate 34 near the front mask 2.
The drive timing pulley 38 is provided on both sides of the lower surface of the plate 34 near the back plate 7, and a bill is inserted between the driven timing pulley 37 and the drive timing pulley 38. A timing belt 39 constituting a transport unit is wound. As shown in FIGS. 2 and 3, the second transport plate 34 is provided with a through groove 40 in the bill transport direction corresponding to the position of each pulley 37 and 38, and is wound around the pulleys 37 and 38. The set timing belt 39 slightly projects into the banknote transport path 31 from the back side of the second transport plate 34 and comes into contact with the banknotes in the banknote transport path 31. The drive-side timing pulley 38 around which the timing belt 39 is wound is rotationally driven by the DC motor M1 via various power transmission means provided in the gear case 48.

FIGS. 5 (a) and 5 (b) are partial cross-sectional views showing in detail a power transmission mechanism for rotating and driving the drive-side timing pulley 38, and FIG. 5 (a) is a gear case 48 and the like. FIG. 5B is a partial cross-sectional view of the DC motor M1 viewed from the direction of FIG.
FIG. 3 is a partial cross-sectional view when the C motor M1 is viewed from the direction of FIG. 2. As shown in FIGS. 5 (a) and 5 (b), a gear case 48 containing various power transmission means is fixed to the back side of the second transport plate 34 via a bracket 49. A DC motor M1 having a rotating shaft protruding inside is mounted below the gear case 48. A pinion gear 50 is fixed to the rotating shaft protruding into the gear case 48, and the pinion gear 50 meshes with a large-diameter gear 51 a of a stepped spur gear 51 rotatably supported in the gear case 48. ing. The stepped spur gear 51 is a spur gear integrally provided with a large diameter gear 51a and a small diameter gear 51b. Small diameter gear 51 of stepped spur gear 51
b meshes with another spur gear 52 rotatably supported in a gear case 48, and further coaxially with the spur gear 52, and a worm gear 53 that rotates integrally with the spur gear 52. Is provided. A drive shaft 55 to which the drive-side timing pulley 38 is fixed at both ends is rotatably and non-slidably inserted through the gear case 48.
A worm wheel 54 fixed to a substantially central portion of the worm gear meshes with the worm gear 53 described above.

A large-diameter spur gear 56 is further fixed to the outside of the drive-side timing pulley 38 fixed to one end of the drive shaft 55, and rotates integrally with the drive-side timing pulley 38. ing. In addition, bracket 4
9, a shaft 57 for rotatably supporting a perforated disk 58 in which a small-diameter gear 59 is integrally formed coaxially is provided at the bent portion 49a. The perforated disk rotatably supported by the shaft 57 is provided. A small-diameter gear 59 provided at 58 meshes with the aforementioned spur gear 56. As shown in FIG. 5B, a number of slits 60 are provided in the perforated disk 58 at a predetermined pitch in the circumferential direction and are spaced apart from each other. A rotation detector 61 composed of a photoelectric converter or the like is fixedly provided integrally with the bracket 49.

Therefore, when the DC motor M1 is driven to rotate the pinion gear 50, the rotation of the pinion gear 50 is transmitted to the worm gear 53 via the large diameter gear 51a and the small diameter gear 51b of the stepped spur gear 51 and the spur gear 52. Further, the rotation of the worm gear 53 is transmitted to the worm wheel 54 to rotate the drive shaft 55, and the drive timing pulleys 38 at both ends of the drive shaft rotate, so that the driven timing pulley 37 and the drive timing pulley 38 Is driven to rotate in an endless orbit. At this time, the rotation of the spur gear 56 that rotates integrally with the drive-side timing pulley 38 is transmitted to the perforated disk 58 via the small-diameter gear 59, and the perforated disk 58 forms a fixed rotation speed ratio with the drive-side timing pulley 38. Therefore, the rotation detector 61 outputs a rotation position detection signal each time the drive timing pulley 38 rotates by a predetermined amount.

As shown in FIG. 2, two pinch rollers 41 are provided between the driven timing pulley 37 and the driving timing pulley 38 in the second transport plate 34 in the width direction of the bill transport path 31. Are provided in parallel at regular intervals. The pinch roller 41 is shown in FIG.
As shown in FIG. 5, the bracket is rotatably attached to a bracket member 44 slidably fitted inside a sliding-fit sleeve 45 protruding from the back surface of the second transport plate 34. A plate 4 fixedly provided on the back side of the second transport plate 34 with a certain gap between the plate 4 and the sliding sleeve 45.
The pinch roller 41 is always urged via the bracket member 44 in a direction to project the pinch roller 41 to the upper surface of the plate 34 by a spring 43 inserted between the bracket 6 and the bracket member 44. A rectangular through hole 4 is provided at a position on the plate 34 corresponding to the position where the bracket member 44 is disposed.
2, a pinch roller 41 urged by a spring 43 is projected into the bill conveyance path 31, and
The projection of the pinch roller 41 is restricted within a certain range by pressing the projection of the bracket member 44 at the outer periphery of the pinch roller 41. A spring 43 is provided on the lower surface of the bracket member 44.
And a supporter 47 for preventing displacement is integrally fixed. The supporter 47 penetrates the plate 46 and moves up and down integrally with the bracket member 44.

Reference numeral 62 denotes a power transformer, reference numeral 64 denotes a bracket for fixing the power transformer 62 on the bottom plate 6, and reference numeral 63 denotes power supplied from the power transformer 62 to various types such as a DC motor M 1. A power supply board for distributing to a drive source, a detector, and the like, but the description of these components is omitted because their configurations and functions are well known. The bracket 64 and the power supply board 63 are fixed to the bottom plate 6 from the inside via screws 65 and insulating spacers 66.

As shown in FIGS. 7A and 7B, the exterior of the swinging unit 8 is constituted by a dish-shaped casing 67 made of a synthetic resin material. Is formed by the bottom surface of the casing 67. 7A and 7B, the outer appearance of the casing 67 constituting the exterior of the swing unit 8 and the first transport plate 33 and the second transport plate 3 are shown.
4 is a plan view and a right side view briefly illustrating a relative positional relationship of FIG. 4, and a detailed display of other portions is omitted.

Various members arranged on the first transport plate 33 formed by the bottom surface of the casing 67 will be described with reference to FIGS. 2 and 3 along the bill insertion direction. First, on both sides of the upper surface, that is, on both sides near the entrance of the bill transport path 31, photoelectric converters 68 constituting a part of an optical sensor serving as a bill insertion sensor are arranged at regular intervals in the width direction of the bill transport path 31. Then, two guide rollers 69 are rotatably supported in parallel with each other in accordance with the position of the driven-side timing pulley 37 on the second transport plate 34. . The guide roller 69 is used for the second transport plate 34
The pinch roller 41 has a configuration substantially the same as that of the pinch roller 41, and is urged in a direction to protrude into the bill conveyance path 31 similarly to the pinch roller 41, and is wound around the driven timing pulley 37. The bill is pressed and sandwiched between the timing belt 39 and the timing belt 39.

Next, two magnetic heads 70 are provided in parallel on the first transport plate 33 corresponding to the positions of the pinch rollers 41 on the second transport plate 34,
Information for authenticity and type determination is read from a bill conveyed in the bill insertion direction while being pressed against the pressing force of the pinch roller 41. Although not particularly shown in FIGS. 2 and 3, at this position, a part of an optical sensor serving as a transport position detection sensor is provided in parallel with two magnetic heads 70 constituting information detecting means and further outside thereof. The two constituent photoelectric converters 71 are provided in parallel at a fixed interval in the width direction of the bill transport path 31. And
Two photoelectric converters 68 forming a part of the bill insertion sensor
As shown in FIG. 6A, two sets of the two photoelectric converters 71 forming a part of the transfer position detection sensor are provided on the side of the second transfer plate 34, respectively. Light emitting elements 72 and 73 are provided.

Next, an automatic return spring for projecting the movable iron core is provided at a position where the position of the magnetic head 70 is slightly lowered along the bill insertion direction, and the movable iron core is retracted during magnetic excitation. The automatic return type pull type solenoid 74
The movable iron core is fixed to the casing 67 via the bracket 77 with the movable iron core facing downward. A press-formed shutter member 75 having a bifurcated tip 75a is fixed to the tip of the movable iron core of the pull-type solenoid 74.
4, the leading end portion 75 a of the shutter member 75 protrudes into the banknote transport path 31 through a slit 76 formed in the first transport plate 33, and further penetrates the second transport plate 34. It can penetrate the lower surface of the second transport plate 34 through the provided slit 76 ′. A shutter sensor 78 composed of a pair of photoelectric converters and a light emitting element is fixed to a bracket 77 on which a pull type solenoid 74 is mounted. The light-shielding plate 75b is provided only when the tip end 75a of the shutter member 75 passes through the slits of the first transport plate 33 and the second transport plate 34. When the converter and the light emitting element are separated from each other, and the tip end portion 75a of the shutter member 75 is located in the gap between the first transfer plate 33 and the second transfer plate 34; When 75a is retracted above the slit 76 of the first transport plate 33, the light blocking plate 75b is located between the photoelectric converter and the light emitting element.

Therefore, the pull type solenoid 74 is magnetically excited to completely retract the tip portion 75a of the shutter member 75 above the slit 76 of the first transfer plate 33, and from this state, When the magnetic exciter 74 is released and the front end portion 75a is caused to protrude into the slit 76 'of the second transport plate 34, the front end portion 75a
The shutter sensor 78 detects the light-shielding plate 75b when the lowering of the sheet is obstructed by an obstacle such as a banknote. When the shutter sensor 78 protrudes below the slit 76 ', the shutter sensor 78 does not detect the light shielding plate 75b.

FIG. 9 is a view showing the shape of a shutter member 75 fixed to the tip of the movable iron core of the pull type solenoid 74.
9A is a plan view, FIG. 9B is a right side view, and FIG.
(C) is a front view. However, the relationship between the plan view, the right side view, and the front view here indicates only the positional relationship between the drawings included in FIG. 9, and indicates the correspondence with the drawings shown in FIGS. Not something. The shutter member 75 is a press-formed part made of a metal plate,
Has a base plate 75c fixed to the movable iron core by means such as rivets or brazing.
Are provided on both sides of the fork part 75a, which is formed by bending at a substantially right angle. Also, the base plate 7
An extension arm 75d extending in a tongue shape is provided on the other side of 5c, and the tip of the extension arm 75d is bent in a direction opposite to the forked tip portion 75a to form the above-described light shielding plate 75b. 9D, rounded notches 79a and 79b as shown in FIG. 9D are provided on both sides of the center of the tip portion 75a, and rounded notches 79a and 79b are provided on both sides closer to the tip than the notches 79a and 79b. An attached projection 80a and a sharp wedge-shaped projection 80b are provided, and further, an obtuse wedge-shaped projection 80c is provided at the tip end of the tip portion 75a. . The shape indicated by the two-dot chain line in FIG.
Of the movable iron core of the shutter member 75
With the protruding piece 80b oriented in the bill insertion direction (right direction in FIG. 2), the light shielding plate 75b oriented upward (in the direction in which the shutter sensor 78 is located), and approximately the center of the base plate 75c is moved to the tip of the movable iron core. It is stuck to.

Next, the position where the pull type solenoid 74 is disposed is slightly lowered along the bill insertion direction,
Timing pulley 3 on the transport plate 34
8, two guide rollers 81 correspond to the first position.
Are provided in parallel with each other so as to be rotatably supported on the transfer plate 33. The guide roller 81 is the guide roller 6 described above.
9 and has a configuration similar to that of FIG. 9, in which bills are pressed and sandwiched between a timing belt 39 wound around a drive-side timing pulley 38.

Among the various members provided on the first transport plate 33 and the second transport plate 34, a bill insertion sensor constituted by the light emitting element 72 and the photoelectric converter 68, the magnetic head 70, and the light emitting element The transport position detection sensor constituted by 73 and the photoelectric converter 71 is information detection means for bill identification. The bill insertion sensor and the transport position detection sensor are sensors for detecting the presence or absence of bill insertion and the position of the bill at the current time, and for detecting the light transmittance of the bill based on the light receiving state of the photoelectric converter, for bill identification. It is an information detecting means for collecting data.
FIGS. 4 and 6 show the correspondence between various sensors and the like provided on the first transport plate 33 and the second transport plate 34 formed on the bottom surface of the casing 67. FIG. FIG.
(A) is a plan view schematically showing the first transport plate 33,
FIG. 4B is a front view corresponding to FIG. 4A, FIG. 6A is a plan view schematically showing the second transport plate 34, and FIG. It is a front view corresponding to (). 4 (b) and FIG. 6 (b) show the first transport plate 33 and the second transport plate 34 in FIG. 1 (e).
FIG. 4 (a) and FIG.
(A) is a plan view corresponding to FIG. 4 (b) and FIG. 6 (b), respectively, and the insertion direction of the bill in FIG. 4 and FIG. Is apparently the opposite.

In the vicinity of the slit 76 'in the second transport plate 34, that is, in the vicinity of the position where the shutter member 75 is provided, a plurality of ribs 102 are shown in FIG. So as to be integrated with the transport plate 34 at a fixed interval from each other. Each rib 1
Numeral 02 gradually increases in height from the front (right side in FIG. 6) to the back (left side in FIG. 6) of the bill transport path 31, and the slope 102a whose final height protrudes beyond the bill transport surface; An end 102 on the opposite side of the slope rising from the plate 34 at a substantially right angle.
b.

The upper plate 9 described above is mounted on the upper surface of the casing 67 containing the photoelectric converters 68 and 71, the magnetic head 70, the pull type solenoid 74, etc. to protect the internal electric components and the like. The swinging unit 8 integrally formed by the respective members is connected to the pivot shaft 36.
To move the first transport plate 33 toward and away from the second transport plate 34. The swing unit 8 is swung in the open swing direction to separate the first transport plate 33 from the second transport plate 34 to open the banknote transport path, and to close and swing the swing unit 8. The first transfer plate 33 and the second transfer plate 34 are swung in the moving direction.
FIG. 7B shows a state in which the banknote transport path 31 made of is formed. In a state where the bill transport path 31 is formed by the first transport plate 33 and the second transport plate 34, the guide rollers 69 and 81 are driven by the pulley 37.
And 38, the pinch roller 41 is pressed against the magnetic head 70, and the first transfer plate 33 and the second transfer plate 3 are pressed.
4, a constant gap is formed.

7 (a) and 7 (b) are provided at the swing-side end of a casing 67 constituting the exterior of the swing unit 8.
As shown in (b), opening and closing operation of the bill transport path is performed, and the first transport plate 33 and the second transport plate 3
4, a plate opening lever 82 is provided for maintaining the bill conveyance path 31 formed by the step S4.

The plate opening lever 82 is an integrally molded product made of a synthetic resin material having high elasticity and toughness.
4 is provided. FIG. 8A shows the plate release lever 82.
8 (b) is a rear view showing only the main part of the plate opening lever 82, and shows a plate part 85 made of a rectangular plate. And an extension arm 86 extending downward from both sides of the plate portion 85, and
An operation protrusion 84 formed along the longitudinal direction of the plate portion 85 and projecting upward and rearward in an arc from a substantially central portion of the plate portion 85, and in the longitudinal direction at a predetermined interval on the front surface of the plate portion 85 A locking claw 8 which is constituted by two bearing pieces 87 provided side by side and has a tapered guide surface 88 on the front surface at the tip end of the extension arm 86.
3 is provided, and a rounded notch 89 is formed at a rising portion of the extension arm 86 in the plate portion 85 as a relief for preventing cracking.

As shown in FIG. 7 (a), the plate release lever 82 has a bearing piece 87 mounted around a shaft 90 fixed and slightly offset inward from the swing-side end of the casing 67. , Extension arms 8 on both sides
6 and rotatably mounted on the swing-side end of the casing 67 so as to straddle both sides of the casing 67.
By the urging force of the torsion coil spring 91 mounted on the
7 (b) and 8 (a) in the same direction as the closing swing direction of the casing 67 itself having the transfer plate 33 of FIG.
In the clockwise direction. The swing limit of the plate opening lever 82 in the clockwise direction is determined by the lower edge 92 of the plate portion 85 and the casing 67.
8 due to the interference with the upper edge 93 of the swing-side end in FIG.
It is restricted to the limit shown in FIG. Also, inside each of the right side plate 3 and the left side plate 4,
When the casing 67 is closed by forming a certain gap between the first transport plate 33 and the second transport plate 34, the first transport plate 33 and the second transport plate 34 engage with the locking claws 83 of the plate release lever 82 as shown in FIG.
A substantially rectangular locking piece 94 as shown in FIG.

In a state where the swing unit 8 is swung about the pivot shaft 36 to the swing limit in the clockwise direction in FIG. The locking claws 83 are engaged with the locking pieces 94 on the right side plate 3 and the left side plate 4 in a state as shown in FIG. The lifting of the first transport plate 33 is prevented. In this state, the guide rollers 69 and 81 on the first transport plate 33 side are pressed against the timing belt 39 on the second transport plate 34 by spring bias, while the pinch rollers on the second transport plate 34 side are pressed. 41 is pressed against the magnetic head 70 on the side of the first transport plate 33, so that bill insertion, automatic transport, reading processing of identification information, and the like can be performed. That is, this is a normal use state of the bill validator 1.

Further, when the banknote transport path 31 is opened for clearing a banknote jam or cleaning various sensors and the magnetic head 70, the operation protrusion 8 of the plate release lever 82 is used.
4 and put the finger up and lift it up as shown in FIG.
And swing in the unclockwise direction in FIG. Immediately after the start of pulling, the locking unit 83 immediately starts rocking because the locking claws 83 of the plate release lever 82 are engaged with the locking pieces 94 on the right side plate 3 and the left side plate 4 side. However, this pulling force causes a rotational moment in the unlocking direction about the bearing piece 87 with respect to the plate opening lever 82. This is because the operation projection 84 of the plate opening lever 82 is located behind the bearing piece 87 serving as the pivot center of the lever 82, that is, on the right side in FIG. 8A. When the plate releasing lever 82 swings in the unlocking direction by the rotational moment in the unlocking direction about the bearing piece 87, the locking claw 83 at the tip of the lever 82 separates from the locking piece 94 and swings. The fixed state of the unit 8 is released, and the pulling force on the plate release lever 82 acts on the swing unit 8 as a rotational moment in the unlocking direction about the pivot shaft 36 as it is. (B) and swing in the unlocked direction in FIG. 8 (a) to separate the first transport plate 33 formed at the bottom of the casing 67 from the second transport plate 34, thereby opening the bill transport path 31. I do.

As described above, the pulling force acting on the plate release lever 82 causes the plate release lever 82 to swing about the bearing piece 87 in the unlocking direction, thereby disengaging the locking claw 83 from the locking piece 94. And the casing 67 is swung in the unlocked direction about the pivot shaft 36 so as to simultaneously act in the direction in which the bill transport path 31 is opened. The release and release of the fixing of the plate 33 can be performed simultaneously and with a very simple touch operation. As is clear from the above description, the outer side of the pivot shaft 36, which is the center of swing of the casing 67, that is, FIG.
The pivot center of the plate release lever 82 is located on the right side in FIG. 3B, and the plate release lever 82 is pivoted outward to release the engagement between the locking claw 83 and the locking piece 94. The position of the operation projection 84 may be anywhere outside the swing center of the plate opening lever 82, that is, on the right side in FIG. 7B, and the position of the operation projection 84 does not matter.

Then, the swing unit 8 is pressed downward from the state in which the banknote transport path 31 is opened, and the swing unit 8 is moved in the swing closing direction, that is, in the unlocking direction in FIG. 7B. When the swinging movement is performed, first, the tapered guide surface 88 of the plate opening lever 82 that is in contact with the upper edge 93 of the swinging-side end of the casing 67 and whose swinging limit is regulated is adjusted. Touch the top edge.
When the swinging unit 8 is further swung toward the swing closing direction, the guide surface 88 is gradually pressed by the locking piece 94, and the plate opening lever 82 swings in the unlocking direction and the pawl is moved. 83 rides on the side of the locking piece 94. Finally, the locking claw 83 rides over the side of the locking piece 94, and the claw 83, which is urged to swing in the clockwise direction by the force of the torsion coil spring 91, automatically fits under the locking piece 94. The casing 67 protrudes into the concave portion, and the casing 67 is fixed to the second transport plate 34. The bill conveyance path 31 is formed between the bill conveyance path 31 and the plate 34. Therefore, the bill transport path 31
The closing operation at the time of forming can be performed with one touch.

The case where the closing operation is performed by pressing the main body of the swinging unit 8 has been described.
The same closing operation as described above can be performed by pressing the second operation projection 84 downward. in this case,
The pressing force acting on the operation projection 84 prevents the plate opening lever 82 from swinging in the unlocking direction, which should occur when the locking claw 83 meets the locking piece 94, but instead has elasticity and toughness. The resilient extension arm 86 is elastically deformed so as to be warped rearward, so that the locking claw 83 is retracted and the locking piece 94 is re-entered into the fitting recess.

FIG. 12 is a block diagram schematically showing control means for driving the bill discriminating apparatus 1. The magnetic head 70 is an information detecting means for detecting a magnetic material contained in ink of a bill and collecting identification data. Each of the bill insertion sensor 68 (photoelectric converter) and the transport position detection sensor 71 (photoelectric converter), which are information detecting means for detecting the light transmittance of the bill and collecting identification data, is provided with a magnetic amplification unit. Circuit 95
And a microprocessor (hereinafter simply referred to as CP) in the control box 10 via the sensor amplifier circuits 96 and 97.
U), and identification data detected by the magnetic head 70, the bill insertion sensor 68, and the transport position detection sensor 71 are collected by the CPU 101 in the RAM 101 in the control box 10. However, when detecting the current position of the bill, the sensor amplifier circuit 96,
The presence / absence of a bill is detected based on whether or not the output from 97 is below a prescribed value for ON / OFF detection. In this case, the bill insertion sensor 68 and the transport position detection sensor 71 are dark ON type. Function as optical detection means. Detection outputs from a rotation detection sensor 61 for detecting the rotation state of the timing belt 39 constituting the bill conveying means, and a shutter sensor 78 for detecting the projecting or retracting state of the shutter member 75 are connected to the CPU. Motor drive circuit 9 by command from
The motor M1 for conveying and driving the timing belt 39 and the pull type solenoid 74 for driving the shutter member 75 to open and close are driven and controlled via the solenoid drive circuit 8 and the solenoid drive circuit 99. The ROM 100 is a non-volatile memory that stores a control program for driving and controlling each unit of the banknote recognition device 1.

FIGS. 13 to 16 are flowcharts showing the outline of the control program stored in the ROM 100.
Each of FIGS. 17 to 19 shows the detection state of each sensor and the DC motor when a normal bill is conveyed, when an illegal withdrawal operation is performed, and when a bill is additionally inserted. 5 is a timing chart showing an operation state of M1.
Hereinafter, the processing operation of the banknote recognition apparatus 1 in the present embodiment will be described with reference to these flowcharts and timing charts. Steps S1 to S10
Is mainly related to the processing related to abnormality detection at the time of turning on the power and the standby processing for waiting for insertion of a bill.
The processing from Step 1 to Step T10 is processing relating to taking in an inserted bill, identification determination, and the like. Further, the processing of steps U1 to U12 is mainly processing relating to detection of removal of inserted bills, the processing of steps V1 to V14 is processing relating to return of counterfeit coins and additional inserted bills, and failure recovery corresponding to abnormality detection at power-on. And the like.

First, when power is turned on to the bill validator 1, the CPU that detects the power-on sets a power ON flag to a specific bit in the RAM 101 (step S).
1). Next, the CPU determines whether or not the shutter sensor 78 is ON, that is, whether or not the shutter member 75 is retracted from the bill transport path 31 (step S).
2) If the shutter sensor 78 is OFF, furthermore, the bill insertion sensor 68 or the bill insertion sensor 68 provided at the entrance of the bill conveyance path 31 and the shutter member 75
Then, it is determined whether or not the transfer position detection sensor 71 provided between them is ON (step S3). Normally, at the stage immediately after the power is turned on, no banknote is present in the banknote transport path 31, and the pull type solenoid 74 is also in a non-magnetized state.
Since the bill is not inserted at the same time when the power is turned on, the determination results in step S2 and step S3 are both false. If the determination result of step S2 or step S3 becomes true at this stage, the banknote jam that occurred when the power supply was last turned off has not been eliminated, the shutter sensor 78, the banknote insertion sensor 68, or the transport position. Since it means that the detection sensor 71 itself is abnormal, the CPU temporarily shifts to the processing of step V1 and starts the processing of the failure recovery.

The CPU 1 that has proceeded to step V1 first outputs a stop command to the DC motor M1, which is a process for temporarily stopping the conveyance of the timing belt 39 for returning counterfeit money and additional inserted bills. Therefore, at the stage where the driving of the DC motor M1 has not been started, that is, when the process proceeds from the determination process of step S2 or S3 and executes the process of step V1, it has no practical meaning. Then, the CPU that has started the failure recovery processing outputs a reverse rotation command to the DC motor M1 to start the reverse rotation drive of the timing belt 39 (step V2), magnetizes the pull type solenoid 74, and sets the shutter member 75 to the bill. After being retracted from the transport path 31 (step V3), a predetermined operation time (4 seconds in the embodiment) is set in a timer to start measuring time (step V4), and until the operation time of the timer elapses (step V4). Step V11), transfer position detection sensor 71
Is turned off (step V5), and whether the shutter sensor 78 is turned off (step V5).
6) and whether or not the bill insertion sensor 68 is OFF (step V7) is detected at each cycle of the loop processing. During this time, when the transport position detection sensor 71 is turned ON by the reverse rotation drive of the timing belt 39, it is determined that the banknote that has been jammed is reversely transported and reaches the position where the transport position detection sensor 71 is provided. This means (step V5) that the shutter member 75 is released even if the magnetic excitation of the pull type solenoid 74 is released and the shutter member 75 is dropped.
Does not hinder the reverse transport of the banknote, so that the magnetic excitation of the pull-type solenoid 74 is released when the transport position detection sensor 71 is turned ON (step V10).

When the transport position detection sensor 71, the shutter sensor 78, and the bill insertion sensor 68 are all turned off during the period from the start of the reverse rotation of the timing belt 39 to the elapse of the operation time of the timer, If all the determination results from step V5 to step V7 are false, it means that the jammed banknotes have been automatically ejected by the reverse rotation of the timing belt 39 and the abnormality has been recovered, and the CPU Outputs a stop command to the DC motor M1, stops the reverse rotation of the timing belt 39 (step V8), cancels the magnetic excitation of the pull type solenoid 74 (step V9), and determines whether the power ON flag is set. That is, the processing from step V1 to step V11 is performed for recovery from a failure immediately after the power is turned on. To determine whether (step V1
4). In this case, the processing from step V1 to step V11 is processing related to failure recovery immediately after power-on performed based on the determination result in step S2 or step S3, and the power-on flag is set by the processing in step S1. Since the state is maintained, the determination result of step V14 becomes true, and the CPU further proceeds to step S4 to continue the processing for abnormality detection.

On the other hand, if the transport position detection sensor 71, the shutter sensor 78, and the bill insertion sensor 68 have not all been turned off during the period from the start of the reverse rotation drive of the timing belt 39 to the elapse of the operation time of the timer, That is, when the determination result of step V11 is true,
If the abnormality detected in step S2 or S3 is a simple banknote jam, it cannot be automatically recovered,
Alternatively, the transfer position detection sensor 71 and the shutter sensor 7
8. Since it is recognized that at least one of the bill insertion sensors 68 is abnormal, the CPU
A stop command is output to the C motor M1 to output the timing belt 3
The reverse rotation drive of No. 9 is stopped (step V12), the failure recovery work is abandoned, and the routine proceeds to the determination processing of step V13. In this case, since one or more sensors are always in the ON state, the CPU repeatedly executes the determination processing in step V13 to perform a failure recovery operation by the operator, that is, removal of a jammed bill, repair of the sensor, and the like. Will wait. If the abnormality is resolved by the failure recovery work by the operator, the CPU performs the determination processing in step V14 in the same manner as described above, and then proceeds to step S4 to continue the processing for abnormality detection. Become.

If the determination results in steps S2 and S3 are both false and no jamming of the banknotes or abnormality of the sensor is detected, and even if there is any abnormality, the abnormality is determined by its own recovery function or by the operator. When the recovery is performed by the failure recovery work, the CPU resets the value of the clock counter that is counted up by the output from the rotation detector 61 as the next abnormality detection processing, and
1 is driven for a predetermined time, and after a predetermined time has elapsed, the value of the clock counter is read and temporarily stored (step S4).
Then, it is determined whether or not this count value is within a range of a preset allowable value, that is, whether or not the rotation of the timing belt 39 constituting the bill conveying means is maintained at an appropriate rotation speed. (Step S5) If the count value is out of the range of the allowable value, it is determined that the conveyance speed is inappropriate and there is some abnormality, and after outputting an abnormality detection alarm or the like, the DC motor M1 is turned off. Stop and interrupt all processing (error). If the count value within the predetermined time is within the range of the allowable value, it is considered that an appropriate bill conveyance speed is guaranteed, the power ON flag is reset, and the end of the abnormality detection processing is stored (step S
6) The light emitting diode 26 is turned on to enter a standby state waiting for the user to insert a bill (step S7 to step S10).

CPU in standby state waiting for insertion of bills
First, it is determined whether or not the transfer position detection sensor 71 is ON (step S7). If the transfer position detection sensor 71 is not ON, further, whether or not the shutter sensor 78 is ON is determined. (Step S
8). If the shutter sensor 78 has not been turned ON, then, the reception prohibition input from the vending machine or the game machine to the CPU until the various trading activities based on one bill insertion is completed is completed. The presence or absence of a signal is detected (step S9). In this case, the processing in step S7 for detecting the ON / OFF state of the transfer position detection sensor 71 and the processing in step S8 for detecting the ON / OFF state of the shutter sensor 78 are performed in the case of a sensor abnormality occurring during a steady operation after the power is turned on. This is a process for detecting the presence / absence. If the determination result of step S7 or step S8 is true, it is determined that these sensors have indicated an abnormal reaction even though the bill has not been actually inserted. Considered
As in the case of the abnormality detection at the time of power-on, the CPU executes a failure recovery process as shown in FIG. 16, but the abnormality occurrence in this case is not immediately after the power-on, and the power-on flag is set in step S6. Since the processing has already been reset, the result of the determination in step V14 after the failure has been recovered by the failure recovery work by the operator is false, and the steps S4 and S4 for determining whether or not the rotational speed of the timing belt 39 is appropriate are performed. The processing of S5 is omitted, and the CPU
Moves to the process of step S7 after the end of the determination process of step V14, and immediately returns to the standby state waiting for insertion of a bill. Since there is rarely a failure that causes an abnormality in the rotation speed of the timing belt 39, it is sufficient to perform the processing for detecting such an abnormality once when the power is turned on.

If the result of the determination in step S9 is true, that is, if the buying and selling operation based on the previously inserted bill has not been completed, the bill insertion sensor 68 detects the insertion of a new bill. The processing is not executed, and only the determination processing of steps S7 to S9 is repeatedly executed in the above-described standby processing.

If there is no abnormality in both the transport position detection sensor 71 and the shutter sensor 78 and the previous buying and selling operation has been completed, all the determination results in steps S7 to S9 become false. The CPU repeatedly executes the determination processing of steps S7 to S10, and detects whether or not the bill insertion sensor 68 is ON, that is, whether or not a new bill is inserted, in each cycle of the loop processing. (Step S10).

When the user inserts a bill into the bill validator 1 while the CPU repeatedly executes the discriminating processes of steps S7 to S10, the CPU detects the insertion of the bill in the discriminating process of step S10, and the DC motor M1 To start the automatic conveyance of the bill by the timing belt 39 (step T1, "A" timing in FIGS. 17 to 19). Next, the CPU determines whether or not the transport position detection sensor 71 is ON, that is, the tip of the bill that is pressed and nipped by the timing belt 39 and the guide roller 69 and transported in the forward direction is disposed by the transport position detection sensor 71. It is determined whether the vehicle has reached the installation position (step T).
2) If the leading end of the bill has not reached the position where the transfer position detection sensor 71 is provided, the CPU repeatedly executes the determination processing of step T2 and waits. And
When the leading end of the bill reaches the position where the transfer position detection sensor 71 is provided and the transfer position detection sensor 71 is turned on, the CP
U detects this in the discriminating process of step T2, magnetizes the pull type solenoid 74 biased by the automatic return spring, retracts the shutter member 75 from the bill conveying path 31 (step T3), and operates for a predetermined operation time. (In the embodiment, 200 milliseconds) is set in the timer to start timing (step T
4), reading of magnetic data from the magnetic head 70 as information detecting means and light transmittance data from the bill insertion sensor 68 and the transport position detection sensor 71 is started (step T5, "B" in FIGS. 17 to 19). Timing). Therefore, the retreating movement of the shutter member 75 is started immediately when the leading end of the bill reaches the position where the transport position detection sensor 71 is provided.
Since a certain time is required for the shutter 5 to move from the closed position to the retracted position, a magnetic excitation signal is output to the pull type solenoid 74, and then the shutter sensor 78 is turned on to retract the shutter member 75. A certain delay occurs until the completion is detected (timing "C" in FIGS. 17 to 19).

The CPU which has started reading the data then determines whether or not the operation time of the timer has elapsed (step T6). If the operation time of the timer has not elapsed, the CPU returns to the processing of step T5 again. Thereafter, until the operation time of the timer elapses, the processes of step T5 and step T6 are repeatedly executed to transmit the magnetic data from the magnetic head 70 and the light transmission from the bill insertion sensor 68 and the transport position detection sensor 71. Reading rate data and RAM1
01 is continuously executed. DC motor M1
The bills conveyed by the timing belt 39 by the forward rotation of the shutter gradually move during this time, and the leading end thereof is
5 will be reached.

When the operation time of the timer elapses, C
The PU detects this in the determination processing of step T6, and releases the magnetic excitation of the pull type solenoid 74 (step T7). The shutter member 75 attached to the pull-type solenoid 74 whose magnetic excitation has been released is urged by the restoring force of the automatic return spring and the weight of the movable iron core to protrude into the banknote transport path 31. Has reached the position where the shutter member 75 is disposed, and the projecting piece 80c formed at the foremost portion of the shutter member 75 protruding into the bill transport path 31 is placed on the upper surface of the bill. Since the shutter member 75 is supported by the shutter member 75, the shutter member 75 does not penetrate through the banknote transport path 31 and is closed. Therefore, the bill is conveyed as it is with its upper surface rubbed by the protruding piece 80c of the shutter member 75, and the ON state of the shutter sensor 78 is kept as it is because the shutter member 75 does not return to the closed position. C with magnetic excitation of pull type solenoid 74 released
The PU then determines whether or not the transport position detection sensor 71 has been turned OFF, that is, whether or not the rear end of the inserted bill has passed the position where the magnetic head 70 as the information detecting means has been disposed (step S <b> 1). T8) The transport position detection sensor 71 is
If it is N and the passage of the inserted bill is not detected, the process returns to step T5 again, and thereafter, the processes of steps T5 to T8 are repeatedly executed until the passage of the inserted bill is detected, Magnetic data from magnetic head 70 and bill insertion sensor 68 and transport position detection sensor 71
The process of reading the light transmittance data from the CPU 101 and storing the data in the RAM 101 is continuously executed.

At this stage, since the determination result of step T6 is always true and the magnetic excitation of the pull type solenoid 74 has already been released, the processes of step T6 and step T7 have a substantial meaning. Not. DC motor M
The bill conveyed by the timing belt 39 by the forward rotation drive of 1 moves gradually during this time, and its rear end passes through the position where the bill insertion sensor 68 is disposed, and the bill insertion sensor 68 is turned off.
F (timing "D" in FIGS. 17 to 19).

When the trailing end of the inserted bill passes the position of the magnetic head 70 as the information detecting means, the CPU detects this in the discrimination processing of step T8, completes the data reading and storing processing, and Stop driving the motor M1,
The transport of the banknote by the timing belt 39 is temporarily stopped (step T9), and the authenticity and type of the inserted banknote are determined by comparing the identification data of the inserted banknote stored in the RAM 101 with the regular data of the ROM 100 to be compared. The determination result is temporarily stored in the RAM 101 (step T10, timing "E" in FIGS. 17 to 19). ROM1 to be compared with identification data of inserted bill
If the regular data matches with the regular data of 00, that is, if the bill inserted this time is a genuine coin, the CPU starts the forward rotation drive of the DC motor M1 while holding the output of the determination result and executes the timing belt. The normal transport of the banknote by 39 is restarted (step U1, timing "F" in FIGS. 17 to 19).

The CP which has started the forward drive of the DC motor M1
U then determines whether or not the shutter sensor 78 is ON, that is, whether or not the shutter member 75 is placed on the banknote that is normally transported by the timing belt 39 (step). U2). At the present stage immediately after restarting the normal transport of the bill, since the rear end of the inserted bill is usually located near the position where the magnetic head 70 is provided, the shutter member 75 is placed on the bill. , The result of step U2 should be true. However, when the banknotes are pulled out by thread hanging or tape application in the time section between the timings “E” and “F” in FIGS. If the operation of pulling out the banknote by thread hanging, tape attachment, or the like is performed before the start of the normal rotation drive of the motor M1, the determination result of step U2 may be false. In this case, the CPU determines that the inserted bill has been removed immediately after the execution of the authenticity determination, and shifts to the processing of step V1 while holding the output of the determination result to start the return processing. .

When the return process is started, the CPU outputs a stop command to the DC motor M1 to stop the normal rotation of the timing belt 39 (step V1).
A reverse rotation command is output to the motor M1 and the timing belt 39
(Step V2), the pull type solenoid 74 is magnetically excited to retract the shutter member 75 from the bill conveyance path 31 (Step V3), and a predetermined operation time is set in a timer to start timing. Later (step V4), until the operation time of the timer elapses (step V1).
1), whether the transport position detection sensor 71 is OFF (step V5), whether the shutter sensor 78 is OFF (step V6), and whether the bill insertion sensor 68 is OFF (Step V
7) is detected for each cycle of the loop processing. During this time, if the transport position detection sensor 71 is turned ON by the reverse rotation drive of the timing belt 39 (step V5), the banknote in the process of the illegal extraction operation is reversely transported and the transport position detection sensor 71 is provided. Means that the sheet has reached the position, and the shutter member 75 does not hinder the reverse conveyance of the bill even if the magnetic excitation of the pull type solenoid 74 is released and the shutter member 75 is dropped. When the sensor 71 is turned ON, the pull type solenoid 74 is turned ON.
Is released (step V10).

When the transport position detection sensor 71, the shutter sensor 78, and the bill insertion sensor 68 are all turned off during the period from the start of the reverse rotation of the timing belt 39 to the elapse of the operation time of the timer, If all the determination results from step V5 to step V7 are false, the banknote in the process of the illegal extraction operation is reversely conveyed by the reverse rotation of the timing belt 39 and collected by the user, or This means that the banknote in the process of the illegal withdrawal operation has been collected by the user and removed from the banknote transport path 31 by the illegal means such as normal thread hanging or tape application, and the CPU issues a stop command to the DC motor M1. Is output to stop the reverse rotation of the timing belt 39 (step V8), and release the magnetic excitation of the pull type solenoid 74 (step V8). -Up V9), power ON flag is determined whether it is set (step V14). In this case, since the power ON flag has been reset, C
The PU returns to the process of step S7 as it is, and
The determination process of steps S7 to S10 is repeatedly executed, and the process enters a standby state for waiting for insertion of a bill again. Also,
After the start of the reverse rotation drive of the timing belt 39 and until the operation time of the timer elapses, the transport position detection sensor 7
1 and the shutter sensor 78 and the bill insertion sensor 68 have not all been turned off, that is, if the determination result in step V11 is true, the user is collected by an illegal means such as thread hanging or tape attachment. Since the banknotes being jammed in the banknote conveyance path 31, it is considered that the forced return by the reverse rotation drive of the timing belt 39 and the extraction operation using the illicit means are impossible, and the CPU determines that
A stop command is output to the C motor M1 to output the timing belt 3
The reverse rotation drive of No. 9 is stopped (step V12), the forced return is abandoned, and the routine proceeds to the determination processing of step V13. In this case, any one of the sensors is always turned on by a bill that cannot be discharged from the bill transport path 31.
Repeatedly executes only the determination processing of step V13,
Wait for the worker to perform the recovery work.

As described above, when the banknote is normally pulled out by thread hanging or tape application between the completion of the identification judgment and the resumption of the normal rotation of the timing belt 39, that is, FIGS. In the case where the withdrawal of the banknote by thread hanging or tape attachment is detected in the time section between the timing “E” and the timing “F” in 19,
Even if the inserted bill is genuine, the output of the true / false judgment is prohibited,
The banknote recognition device 1 returns the banknote targeted for extraction and then returns to the initial standby state, or detects a jam of the banknote due to an illegal operation and enters a standby state waiting for a failure recovery operation. Becomes

On the other hand, if the result of the determination in step U2 is true, that is, from the completion of the identification determination, the timing belt 3
CPU 9 does not detect the withdrawal of banknotes by normal thread hanging or tape application
Next, it is determined whether or not the illegal operation storage flag F is set (step U3). If the flag F is not set, it is further determined whether or not the bill insertion sensor 68 is ON. (Step U1).
0). As is clear from the timing charts shown in FIGS. 17 to 19, in the stage immediately after the normal rotation of the timing belt 39 is restarted in the process of step U1, that is, in the vicinity of the timing "F", the identification determination is completed. Until the timing belt 39 resumes normal rotation, the banknote insertion sensor 68 outputs the OF unless the banknote is pulled out by thread hanging or tape application, and the new banknote is not reinserted.
Since the F state is maintained, the determination result of step U10 is usually false. Therefore, the CPU operates the transfer position detection sensor 7.
1 is turned on (step U).
11) At this stage, since the DC motor M1 is rotating in the direction for rotating the timing belt 39 forward, the transport position detection sensor 71 also maintains the OFF state unless the banknote is pulled out by thread hanging or tape application. Usually, the determination result of step U11 is also false, and the CPU
Is to determine whether or not the shutter sensor 78 is OFF (step U5). Since the rear end of the inserted bill does not pass through the position where the shutter member 75 is disposed immediately after the forward rotation of the timing belt 39 is restarted in the process of step U1, the determination result of step U5 is true. Therefore, hereinafter, the CPU repeatedly executes the loop-shaped determination processing composed of step U3, step U10, step U11, and step U5.

During the repetitive execution of the loop-shaped determination process consisting of steps U3, U10, U11 and U5, the shutter sensor 78 is turned off.
In the case of F (step U5), the trailing end of the inserted banknote passes through the position where the shutter member 75 is provided without extracting the banknote by thread hanging or tape application, and the shutter member 75 Since it means that the banknote has passed through the banknote transport path 31 and has been closed, the CPU resets the value of the clock counter that is counted up by the output from the rotation detector 61 after the end of the determination processing in step U5 (step U5).
6) The result and type of the bill judgment temporarily stored in the RAM 101 are output to a vending machine, a game machine or the like (step U7, timing "G" in FIG. 17). Next, the CPU reads the current value of the clock counter and determines whether or not this value has reached the set value of the ROM 100 (step U8).
Thereafter, in the process of step U8, the reading of the current value of the clock counter and the comparison process are repeatedly executed, and the process stands by. The set value referred to here means that the bill inserted in the stacker (not shown) of the bill discriminating apparatus 1 rotates after the rear end of the bill being conveyed forward passes the position where the shutter member 75 is provided. The number of pulses output from the detector 61 is stored in the ROM 100 in advance. That is, the determination process of step U8 is performed by the shutter member 75.
Open-loop control for confirming that the banknotes that have passed the
Means that when the current value of the clock counter reaches the set value in the ROM 100, the drive of the DC motor M1 is stopped and the normal conveyance of the banknote by the timing belt 39 is stopped (step U9, "H" in FIG. 17). timing). When the normal operation of taking in the genuine bill is performed in this way, if the illegal operation storage flag F is set, the CPU resets the flag and proceeds to step S7 to return to the initial standby state again. Then, the apparatus enters a standby state waiting for insertion of a new bill.

On the other hand, if the transport position detection sensor 71 is turned on during the repetitive execution of the loop determination process consisting of steps U3, U10, U11 and U5 (step U11), A state in which the bill is reversed despite the belt 39 being rotated forward, that is, the rear end of the inserted bill located near the shutter member 75 in the vicinity of the transfer position detection sensor 71 is at least the transfer position detection sensor. Since this means that the pull-back operation has been performed to the position of 71 by illegal means such as thread hanging or tape attachment, the CPU regards this as the occurrence of the extracting operation and sets the illegal operation storage flag F. (Step U12, "J" timing in FIG. 18). As a result of the setting of the unauthorized operation storage flag F, the steps U3, U4, and U4 are performed instead of the loop-shaped determination process including steps U3, U10, U11, and U5.
5 is repeatedly executed.

When the bill insertion sensor 68 is turned on in the discrimination process of step U4 while repeatedly executing the loop-shaped discrimination process composed of step U3, step U4, and step U5, ie, When the rear end is pulled back to the front side of the entrance of the banknote transport path 31 and the illegal extraction operation by the user is performed to the end, the CPU resets the illegal operation storage flag F, and then proceeds to step U2. As in the case where an unauthorized operation is detected in the determination process, the output of the determination result is suspended and step V
The process shifts to the process 1 and the return process is started.

As described above, when the transfer position detecting sensor 71 is once turned off after the operation of taking in the banknote is started and then the transfer position detecting sensor 71 and the banknote insertion sensor 68 are turned on in this order (see “FIG. 18”). E "," J ",
The timing of “K”), the output of the authenticity determination is prohibited even if the inserted bill is genuine. Although the return process shown in FIG. 16 has already been described, in this case, since the rear end of the inserted bill has been pulled back to the near side from the entrance of the bill transport path 31, the illegal removal operation by the user is completely successful. Therefore, the probability that the CPU will not enter the abnormal loop of step V13 is very unlikely. Therefore, after the return processing is completed, the CPU returns to the processing of step S7 as it is, and thereafter repeatedly executes the determination processing of steps S7 to S10, and again enters a standby state waiting for insertion of a bill.

Even after the illegal operation storage flag F is set and the loop-shaped discrimination process consisting of step U3, step U4 and step U5 is started, the trailing end of the inserted bill remains in the bill conveying path. 31 until the user completes the illegal withdrawal operation, that is, the bill insertion sensor 68
Until N, a thread or tape used as a means for an illegal extraction operation may be cut or peeled off, thereby enabling a normal operation for taking in a banknote. If the thread or the tape is cut or peeled off while the loop-shaped discrimination processing composed of Step U3, Step U4 and Step U5 is repeatedly executed, the bill released from these illegal means is transferred to the timing belt 3.
9, the shutter member 75 is taken in beyond the position where the shutter member 75 is disposed, so that the determination result in step U5 becomes false and the same as in the case where the normal conveyance is performed from the beginning, the above-described steps U6 to U9. After the processing is executed and the determination result that has been held is output, the banknote is stored in the stacker of the banknote recognition device 1, and the CPU resets the unauthorized operation storage flag F, and then proceeds to step S7, and again executes the initial operation. To a standby state of waiting for the insertion of a new bill.

On the other hand, step U3, step U1
If the bill insertion sensor 68 is turned on while repeatedly executing the loop-shaped discrimination processing composed of 0, step U11, and step U5, the bill insertion sensor is turned on even though an illegal withdrawal operation is not performed. Reference numeral 68 indicates that a bill has been detected, that is, that a user has additionally inserted a bill. That is, when an additional inserted bill is newly inserted, the additional inserted bill is transported in the bill inserting direction by the normally rotating timing belt 39. The bill insertion sensor 68 and the transport position detection sensor 71 are sequentially turned on, which can be distinguished from the case of an illegal withdrawal operation as shown in FIG.

Therefore, step U3, step U10,
While repeatedly executing the loop-shaped determination processing composed of step U11 and step U5, the bill insertion sensor 6
8 is turned on, the CPU repeatedly executes a loop-shaped discrimination process including Step U3, Step U10, and Step U5, and in the discrimination process of Step U5, the first bill is distributed to the shutter member 75. Wait until it is detected that the vehicle has passed the installation position (During this time, step U11
Is not executed, the fraudulent operation storage flag F is not set even if the leading end of the second bill reaches the position where the transfer position detection sensor 71 is disposed.) In the same manner as in the case of above, the processing of the above-mentioned steps U6 to U9 is performed to output a judgment result relating to the first inserted bill (“G” timing in FIG. 19), and this bill is taken into the stacker. From the step S7. In this case, since the additionally inserted second bill is present in the bill conveyance path 31, the conveyance position detection sensor 71 and the bill insertion sensor 6
8 hold the ON state, and the determination result of step S7 becomes true. Then, the CPU shifts to step V1, and executes the processing as shown in FIG. 16 as the return processing of the additional inserted bill.

In this case, the CPU shifted to step V1
First, a stop command is output to the DC motor M1 to stop the normal rotation of the timing belt 39.
, The reverse conveyance of the additional inserted banknote by the timing belt 39 is started (step V2, the timing of “L” in FIG. 19), the pull solenoid 74 is magnetically excited, and the shutter member 75 is moved to the banknote conveying path. The shutter member 75 is retracted from the first banknote 31 and added to the second inserted banknote.
Prevents the reverse insertion of the additional inserted banknote from being hindered (step V3), and thereafter, the process up to step V11 (step V3) in the same manner as the return process described above.
(This does not mean that the processes up to 11 are executed without omission), and if the additional inserted banknote is returned normally, the processes of step V12, step V13 and step V14 are further executed to wait for the insertion of the banknote. While returning to the initial standby state, if the additional inserted banknotes are jammed, only the determination process of step V13 is repeatedly executed, and the operator waits for a failure recovery operation.

As described above, according to the bill discriminating apparatus 1 of this embodiment, the normal rotation of the timing belt 39 is resumed (FIG. 17) from the completion of the discrimination judgment for the inserted bill (the timing of "E" in FIG. 17). 15, the illegal removal operation occurring until the timing “F” in FIG. 15, and the normal rotation of the timing belt 39 is resumed (“F” in FIG. 15).
) To the completion of taking in the banknote (timing “G” in FIG. 17), it is possible to detect all the illegal extraction operations and prohibit the output of the determination signal. In addition, when an illegal withdrawal operation is performed between the start of insertion of the bill and the completion of the identification determination (prior to the timing “E” in FIG. 17), the identification data of the inserted bill and the regular data of the ROM 100 are output. Does not match, the determination signal is not output.

Further, according to the bill validator 1 of the present embodiment, after the rear end of the inserted bill has passed the position where the shutter member 75 is provided and has output a proper judgment signal ("G" in FIG. 17). It is also very difficult to start the illegal withdrawal operation by normal thread hanging or the like (after the timing) to extract the bill. The rear end of the inserted bill passes through the position where the shutter member 75 is provided, and the shutter member 75 is moved to the bill conveying path 31.
When the pull-back operation by thread hanging is started in a state where the bill has been passed through and the bill is forcibly reversed, when the trailing end of the bill is reversed to the position where the shutter member 75 is provided, the trailing end of the bill is The bill is bitten so as to be sandwiched from above and below by the notch portion 79b, and the bill cannot pass backward through the shutter member 75. If the thread is forcibly pulled, a part of the thread or the bill is cut, and the main part of the bill is conveyed as it is by the timing belt 39 and taken into the stacker.

In addition, the bill conveying path is closed by penetrating the shutter with a simple-shaped shutter member to thereby prohibit the operation of extracting the bills. It is also possible to prevent a bill extracting operation by sticking a tape using a vinyl sheet or the like. FIG. 10A shows a state in which the rear end of the inserted bill passes through the position where the shutter member 75 is provided, and the shutter member 75 deflects a thin vinyl sheet or the like and penetrates the bill conveyance path 31 to close it. It is a sectional side view shown corresponding to the direction of (b). In this state, when a pull-back operation of a vinyl sheet or the like (hereinafter, referred to as a tape) is started to force the banknote to reverse, first, a tape bent into a slit formed in the second transport plate 34 and bent. In order to stretch the portion flat by applying a tension due to the retraction operation to the portion of the shutter member 75, a force for lifting and retracting the shutter member 75 acts on the leading end of the shutter member 75. 75 has a wedge-shaped projecting piece 80
b is arranged in the bill insertion direction (left direction in FIG. 10), the sharp tip of the protruding piece 80b is
It is hooked on the tape as shown in FIG. (Since the conventional banknote recognition device only performs simple rounding at the tip of the shutter member, the shutter member may be lifted by a force that tries to flatten the bent portion of the tape, and the banknote may be pulled out. Then, when the tape is pulled more strongly to perform the pull-back operation, the protruding piece 80b pierces the tape by penetrating the tape as shown in FIG. 10 (c). The tape is sequentially torn by the piece 80b, and the tape has a large tear along the bill insertion direction. When the split exceeds the width of the leading end portion 75a, the shutter member 7 which has been slightly lifted by the force for eliminating the bending of the tape is used.
As shown in FIG. 10 (d), the entire distal end portion 75a of FIG. 5 penetrates the tape, and the shutter member 75 returns to the completely closed position again by the weight of the movable iron core and the urging force of the automatic return spring. Even if the tape is further pulled back, the force for lifting and retracting the shutter member 75 acts only once because the tape is only torn by the notch portion 79b of the shutter member 75 and the tear is increased. Absent. Then, when the trailing end of the bill goes backward to the end 102b on the opposite side of the slope of the rib 102 or the disposition position of the shutter member 75 (the trailing end of the bill may run over the rib 102 due to the guidance of the tape and go backward). As a result, the rear end of the bill is held by the end 102b on the opposite side of the slope of the rib 102, or the bill is nipped by the notch 79b of the shutter member 75 from above and below. If you can not go backwards and pull the tape forcibly, part of the tape or banknote will break,
The main part of the bill is conveyed as it is by the timing belt 39 and taken into the stacker.

If the user abandons the withdrawal operation at the time when the rear end of the bill is reversed to the position where the rib 102 or the shutter member 75 is disposed, the bill is rejected while the shutter member 75 is in the completely closed position. Since the tape is conveyed in the forward direction, the tape is torn in the reverse direction by the notch 79a, and if the withdrawal operation is abandoned before the entire distal end portion 75a of the shutter member 75 penetrates the tape, a tear is generated. The tape portion which is not guided is guided by the rounded protruding piece 80a and is transported in the forward direction while being sunk into the slit of the second transport plate 34, so that the tear of the tape does not become larger. .

Further, according to the banknote recognition apparatus 1 of the present embodiment, a normal banknote with a fishing line or the like is once inserted and the normal processing as shown in steps T1 to T10 and steps U1 to U7 is performed. After the banknote recognition device 1 performs the discrimination operation to take in a genuine banknote beyond the shutter member 75, the banknote is held by a fishing line or the like, thereby obstructing the normal conveyance by the timing belt 39 and the banknote conveyance path. By inserting a counterfeit coin while holding a speculative banknote in the counter 31, the process of returning the counterfeit coin, that is, step V
2 to timing belt 3 as shown in step V4
By performing the reverse rotation of No. 9 and opening the shutter member 75 for a long time (4 seconds in the embodiment) and pulling back the fishing line or the like, it is possible to reliably prevent the illegal operation such as extracting the original bill inserted first.

FIG. 11 shows steps V2 to V4 in which the original bill inserted first is held in the bill transport path 31 by a fishing line or the like, and a counterfeit bill is newly inserted in a state where collection in the stacker is inhibited. It is a sectional side view which shows the state at the time of opening the shutter member 75 in the return process of V4, and trying to extract a true bill by pulling a fishing line or the like. In this state, when a fishing line or the like is pulled to reverse the genuine bill, a plurality of ribs 10 whose ends of the genuine bill taken along the bill conveying surface protrude upward from the conveying surface.
2, because it abuts against the end 102b on the opposite side of the inclined surface to prevent reverse movement of the bill, it is almost impossible to remove a genuine bill. In this embodiment, as shown in FIG. 2, the bezel 14 having the bill insertion slot 23 is
1, the fishing line is pulled from the outside of the bezel 14 so that the fishing line is
The true banknotes are pulled back in a state where they are pressed against the transport plate 34, and the effect of preventing the backward movement by the plurality of ribs 102 protruding from the side of the transport plate 34 is further ensured. Even when the ribs 102 protrude from the first transport plate 33, substantially the same effect can be expected by using a configuration in which the ribs 102 protrude below the bill transport surface. Further, if the tip of the rib 102 is formed to be thin, the fishing line and the like can be reliably dropped between the ribs at the stage of forwardly transporting the banknote. It can be assured.

Further, a plurality of ribs 102 protruding from the bill transport surface can be provided alternately on both the first transport plate 33 and the second transport plate 34. In this case, the bills to be conveyed forward are guided by the slopes 102a of the ribs 102 projecting upward and downward, and are deformed into a corrugated plate shape. Although it is possible to pass, the banknote once taken over the rib 102 naturally returns to a flat state, so that it is impossible to remove the banknote no matter how the fishing line is operated,
It is possible to sufficiently cope with an illegal operation in which a thin vinyl sheet or the like, which is more flexible than a bill, is attached over the entire width of the bill and a pulling operation is performed.

The reverse rotation of the timing belt 39 at the time of returning the counterfeit money is started immediately when the end of the bill passes the conveyance position detection sensor 71. 102 does not hinder the return operation of counterfeit money or bad bills.

[0076]

According to the bill recognition apparatus of the present invention, the height of the bill gradually increases from the front to the back of the bill conveyance path, and the final height of the plurality of ribs has a slope protruding beyond the bill conveyance surface. Is provided in the vicinity of the shutter member disposition position in the bill conveyance path to guide and take in the genuine bills on the slopes of the ribs, while the fishing line and the like attached to the genuine bills are taken in the ribs and the ribs at the stage of taking in the bills. As the bill was pulled backwards, pulling the fishing line, etc., the bank note that went backwards was held at the end of the rib on the opposite side of the slope, so that the removal of the genuine bill was prevented.
After inserting a genuine banknote with a fishing line, etc., even if the shutter member is illegally opened by additional insertion of counterfeit money, it is necessary to reliably remove the genuine banknote using illegal means such as a fishing line. Can be prevented.

[Brief description of the drawings]

FIG. 1 is a diagram showing an external appearance of a bill discriminating apparatus according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing an internal structure of the bill validator in the embodiment.

FIG. 3 is a cross-sectional view showing the internal structure of the bill validator in the embodiment.

FIG. 4 is a diagram schematically showing an arrangement position of various sensors and the like provided in the banknote recognition device in the embodiment.

FIG. 5 is a partial cross-sectional view showing a power transmission mechanism of the bill validator in the embodiment, taken out and shown in detail.

FIG. 6 is a diagram schematically showing a main part of the bill validator in the embodiment.

FIG. 7 is a view schematically showing a swinging unit of the bill discriminating apparatus in the embodiment.

FIG. 8 is a view schematically showing a plate opening lever provided in a swinging unit of the bill discriminating apparatus in the embodiment and the periphery thereof.

FIG. 9 is a view showing a shape of a shutter member provided in the swinging unit of the bill validator in the embodiment.

FIG. 10 is an operation principle diagram showing a phenomenon when an unauthorized operation such as tape attachment is performed on the bill validator in the embodiment.

FIG. 11 is an operation principle diagram showing a phenomenon when an illegal operation of thread hanging and additional insertion of counterfeit money is performed on the bill validator in the embodiment.

FIG. 12 is a block diagram schematically showing control means of the banknote recognition device in the embodiment.

FIG. 13 is a flowchart showing an outline of a control program of the bill validator in the embodiment.

FIG. 14 is a continuation of the flowchart showing the outline of the control program of the bill validator in the embodiment.

FIG. 15 is a continuation of the flowchart showing the outline of the control program of the bill validator in the embodiment.

FIG. 16 is a continuation of the flowchart showing the outline of the control program of the bill validator in the embodiment.

FIG. 17 is a timing chart showing a state when normal bill conveyance is performed by the bill discriminating apparatus in the embodiment.

FIG. 18 is a timing chart showing a state when a bill is extracted by a normal illegal operation in the bill discriminating apparatus in the embodiment.

FIG. 19 is a timing chart showing a state in which genuine bills are additionally inserted by the bill validator in the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Banknote identification apparatus 31 Banknote conveyance path 33 1st conveyance plate 34 2nd conveyance plate 39 Timing belt (banknote conveyance means) 68 Photoelectric converter (information detection means) 70 Magnetic head (information detection means) 71 Photoelectric converter ( Information detecting means) 74 Pull type solenoid 75 Shutter member 78 Shutter sensor 100 ROM 101 RAM 102 Rib 102a Slope 102b End on opposite side of slope M1 DC motor

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-51-129296 (JP, A) JP-A 63-89181 (JP, U) JP-A 62-84863 (JP, U) JP-A 60-89 57870 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) G07D ⁷ /00-7/20 G07D 1/00 G07D 9/00 G07F 7/00-7/04

Claims (1)

(57) [Claims] Claims: 1. A bill transporting means for transporting an inserted bill between upper and lower transport plates opposed to each other with a predetermined gap to constitute a bill transport path, and along a bill inserting direction, Information detection means for bill identification, and a shutter member that detects passage of the bill and closes the bill transport path is provided, and outputs a bill determination signal when the shutter member closes the bill transport path. In the bill identification device that was
The paper money insertion slot into the paper money conveyance path is directed obliquely downward.
Only is opened, a plurality of the gradual height increases from the lower carrier plate towards the front of the bill transport passage in the back, with a slope that its final height to protrude halfway height direction of the bill feeding path ribs, in the vicinity of the shutter member deployed position of the transport plates of the lower, bill validator, characterized in that the lateral set apart.