KR100881799B1 - Apparatus for detecting double sheets - Google Patents

Abstract

In the automatic teller machine, the sheet detecting device mounted on the conveying path of the paper medium comprises: a lever member including a lever rotating shaft provided spaced apart from the conveying path, and a first lever and a second lever fixedly mounted on the lever rotating shaft to rotate together; A sensor member mounted adjacent to the lever member to sense an amount of rotation of the lever rotation shaft; A reference support member fixed at a position opposite the lever member to support the paper medium passing through the conveying path; And a movable support member mounted to be movable relative to the reference supporting member, the movable supporting member supporting the second lever and a displacement adjusting unit for adjusting the position of the movable supporting member.

Description

Double sheet detection device {APPARATUS FOR DETECTING DOUBLE SHEETS}

1 is a side view showing the structure of a conventional double sheet detecting device.

FIG. 2 is a plan view illustrating the double sheet detecting device of FIG. 1.

3 is a perspective view of a double sheet detecting apparatus according to an embodiment of the present invention.

4 is a perspective view illustrating a lever member and a sensor member in the double sheet detecting device of FIG. 3.

5 is an exploded perspective view of the lever member and the sensor member of FIG. 4.

FIG. 6 is a perspective view illustrating a reference support member and a moving support member in the double sheet detecting device of FIG. 3.

7 is an exploded perspective view of the reference support member and the movable support member of FIG. 6.

FIG. 8 is a side view illustrating the movable support member of FIG. 7.

<Explanation of symbols for the main parts of the drawings>

100: double sheet detection device 110: lever member

112: first lever 114: second lever

116 ： Lever rotating shaft 120 ： Sensor member

122: rotating plate 126: rotation sensor

130: upper structure 140: reference support member

142: upper housing 144: lower housing

146: Roller rotation shaft 150: Moving support member

151 ： Moving Bracket 152 ： Fixed Bracket

153: flat cam 154: displacement rotary shaft

155: Screw throttle 156: Screw

The present invention relates to a double sheet detecting device, and more particularly, to a double sheet detecting device capable of detecting whether a sheet is double sheeted at two or more points.

The automated teller machine is an automated device that can provide basic financial services such as deposit or withdrawal without a bank employee regardless of time and place with respect to financial services.

The automated teller machine can be divided into cash dispenser and cash dispenser according to whether or not it is withdrawn.In recent years, the automated teller machine has been used for various purposes such as cash withdrawal, check deposit and withdrawal, bankbook arrangement, payment of giro fees, ticket release. have.

In addition, the automatic teller machine is provided with a double sheet detecting device for detecting that two or more sheets of paper media are counted as one sheet when counting bills for the withdrawal and withdrawal of paper media such as cash or check.

1 is a side view showing the structure of a conventional double sheet detecting device.

As shown in FIG. 1, the existing double sheet detecting device is rotatably installed around the rotary pin 21 to be in contact with the paper medium 11 conveyed along a conveying path defined by the conveying means 10. The probe lever 20 disposed, a platen 30 supporting the contact end of the probe lever 20 with respect to the paper medium 11, and the probe lever 20 are burnt on the platen 30. Whether the paper medium 11 is double sheeted by the amount of displacement of the spring 40 which provides elasticity to be sexually supported and the probe lever 20 according to the contact of the probe lever 20 with the paper medium It is comprised including the detection part 50 which detects.

By this configuration, the probe lever 20 may be in contact with the paper medium 11 conveyed along the conveyance path, and may be elastically rotated around the rotating pin 21, and the detection unit 50 may detect the probe lever 20. ) Is detected to determine whether the paper medium 11 is double sheeted.

That is, when the displacement amount of the probe lever 20 due to the contact between the paper medium 11 and the probe lever 20 is less than a predetermined value, the detection unit 50 determines the normal state, and conversely, the probe lever 20 When the amount of displacement is greater than or equal to a predetermined value, it is determined whether two or more sheets of paper medium 11 are overlapped and conveyed.

FIG. 2 is a plan view illustrating the double sheet detecting device of FIG. 1.

Referring to FIG. 2, the conventional double sheet detecting device can measure only one point of the paper medium, and only one point can be measured. For example, if the paper medium is unfolded as a whole (11-1), it is easy to determine whether the paper is doubled, but if only a part of the paper medium is partially overlapped (11-2), the overlapped portion is detected. Since the probe lever 20 of the device passes outside the installed area, it may be impossible to detect a double or defective paper medium.

In order to solve this problem, a method of mounting two paper sheet detecting devices on the conveyance path of the paper medium to detect the two sheets at two points may be proposed. In this case, the double sheet detecting device includes a double sheet detecting unit, and may detect whether the paper medium passes through the double sheet at two independent points using two sensors.

However, in the case of installing the two double sheet detection devices as described above, two sensors may be checked and controlled at the same time, which may be a burden on the system, and the installation is complicated because two separate devices must be installed. In addition, there is a problem in that the wiring and system configuration must be newly established in order to install two separate devices.

One aspect of the present invention provides a double sheet detection device capable of detecting whether the paper medium is moving in the meandering or a portion of which overlaps.

One aspect of the present invention provides a double sheet detecting device capable of detecting whether the sheet is passed at two or more points, but whether the paper medium passes through the double sheet at at least one point using one sensor.

One aspect of the present invention provides a double sheet detecting apparatus that can use a conventional double sheet detecting device related structure using one probe lever and a sensor with almost no modification.

One aspect of the present invention provides a double sheet detection device using a plurality of probe levers, which can independently adjust the sensitivity of each probe lever.

According to a preferred embodiment of the present invention for achieving the above objects of the present invention, the double sheet detecting device includes a lever member, a sensor member, a reference support member and a moving support member.

Specifically, the lever member includes a lever rotating shaft provided apart from the conveying path of the paper medium, a first lever and a second lever fixedly mounted to the lever rotating shaft to rotate together. The sensor member is mounted adjacent to the lever member to sense the amount of rotation of the lever rotation shaft, and the reference support member is fixed at a position opposite to the lever member to support the paper medium passing through the conveying path.

In the lever member, the first lever and the second lever are fixed to the lever axis of rotation and can rotate together. However, even when the first lever and the second lever are fixed to match, a slight difference may exist, and the difference between the levers may cause a difference in double sheet detection sensitivity between the first and second levers. In addition, since the dimensional error may also occur by the reference support member even if the first and second levers are not used, the sensitivity for detecting the sheet may be different for each lever. However, the movable support member includes a movable support member capable of separately adjusting a support surface supporting the second lever independently of the first lever, and a displacement adjuster for adjusting the position of the movable support member. Therefore, the administrator of the automatic teller machine can separately adjust the support surface of the second lever through the displacement control unit, and adjust the support surface of the second lever so that the first lever and the second lever detect the double sheet with the same or planned sensitivity. It can be controlled afterwards.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited or limited by the embodiments. For reference, in the present description, the same numbers refer to substantially the same elements, and may be described by quoting the contents described in other drawings under the above rules, and the contents repeated or deemed apparent to those skilled in the art may be omitted.

3 is a perspective view of a double sheet detecting apparatus according to an embodiment of the present invention.

Referring to FIG. 3, the sheet detecting apparatus 100 according to the present exemplary embodiment includes a lever member 110, a sensor member 120, a reference support member 140, and a moving support member 150. The lever member 110 and the sensor member 120 are located at an upper side with respect to the conveyance path of the paper medium, and the reference support member 140 and the movable support member 150 are located at the lower side with respect to the feed path of the paper medium. do. The paper medium may pass between the lever member 110 and the reference support member 140, wherein the lever member 110 is lifted by the first lever 112 and the second lever 114 of the lever member 110. Depending on the degree, it is possible to detect the thickness of the paper medium, and furthermore, whether the paper medium passes through the double sheet.

Generally, the lever member 110 includes a lever rotation shaft 116 and a first lever 112 and a second lever 114 fixed to the lever rotation shaft 116. The first lever 112 and the second lever 114 are fixed to the rotation axis at substantially the same angle or phase, and can be lifted by the thickness of the paper medium as the paper medium passes through. The lever member 110 further includes a torsion spring 118 mounted to the lever rotation shaft 116, and the first and second levers 112 and 114 may rotate together with the lever rotation shaft 116.

As will be described later, the sensor member 120 is located at the end of the lever rotation shaft 116, the sensor member 120 measures the degree or angle of rotation of the lever rotation shaft 116 each time the paper medium passes through the passage. The thickness of the paper medium can be measured, and based on this, it can be recognized whether two or more sheets of paper pass through each other.

The lower portion of the conveyance path is provided with a reference support member 140 and a movable support member 150, and the reference support member 140 is provided with first and second levers 112 and 114 corresponding to the lever member 110. It is possible to provide a support surface that can rotate relative to the thickness of the paper medium. In the present embodiment, the upper surface of the upper housing 142 of the reference support member 140 is provided as a support surface, and the paper medium passes through the upper surface of the reference support member 140 while being at a height relative to the reference support member 140. You can define the thickness of.

The movable support member may be provided corresponding to the second lever 114, and may provide a separate support surface independent of the support surface of the reference support member 140. The height of the support surface of the movable support member can be finely adjusted, and the sensitivity of the double sheet detection by the second lever 114 is the same as the sensitivity of the double sheet detection by the second lever 114 through the height adjustment of the support surface of the movable support member. Can be adjusted as desired or planned.

4 is a perspective view illustrating a lever member and a sensor member in the double sheet detecting apparatus of FIG. 3, FIG. 5 is an exploded perspective view of the lever member and a sensor member of FIG. 4, and FIG. 6 is a reference support in the double sheet detecting apparatus of FIG. 3. It is a perspective view for demonstrating a member and a movable support member, FIG. 7 is an exploded perspective view of the reference | standard support member and the movable support member of FIG.

4 and 5, the lever members 110 may be provided with bearings 113 and 115 at the probe ends of the first lever 112 and the second lever 114. The bearings 113 and 115 allow the paper medium to pass through the rolling contact at the end of the lever. The bearings 113 and 115 allow the paper medium to easily pass through the double sheet detecting device 100. The second levers 112 and 114 may be lifted by a thickness. As shown, a pin or the like is used to fix the first lever 112 and the second lever 114 to the lever rotation shaft 116.

The sensor member 120 is provided at one end of the lever rotation shaft 116. The sensor member 120 includes a rotating plate 122 mounted at an end of the lever rotating shaft 116, a sensor housing 124 covering the rotating plate 122, and a rotation sensor 126 accommodated in the sensor housing 124. . In general, the rotation sensor 126 may include a light emitting element and a light receiving element, and may convert the rotation direction and the amount of rotation through a reflection pattern or a light transmission pattern formed on the rotating plate 122. In this embodiment, the amount of rotation of the lever rotation shaft 116 is measured using a sensor using an optical characteristic. However, in some cases, the amount of rotation of the lever rotation shaft may be sensed using another sensor member.

The lever member 110 and the sensor member 120 are fixed to the upper structure 130. The upper structure 130 includes an upper bracket 132 and a guide bracket 134 mounted to the bottom surface of the upper bracket 132. The lever member 110 and the sensor member 120 are fixed to the upper bracket 132, the guide bracket 134 is mounted in parallel to the conveying path so that the paper medium is the lever member 110 and the reference support member ( 140) can be passed smoothly.

6 and 7, the reference support member 140 includes an upper housing 142, a lower housing 144, and a roller rotation shaft 146 of the reference support member 140. A roller hole 143 is formed on an upper surface of the upper housing 142, and a roller rotating shaft 146 having a roller for conveying a paper medium is rotatably mounted on the upper housing 142. Accordingly, while the paper medium passes through the upper surface of the reference support member 140, the roller rotation shaft 146 may assist the paper medium to pass smoothly. In this case, the roller rotation shaft 146 may be provided at a height that matches the upper surface through the roller hole 143 of the upper housing 142. As described above, the upper surface of the upper housing 142 may directly support the paper medium, the upper housing 142 and the roller rotation axis 146 may define a reference support surface of the paper medium through the transfer path. have.

The moving support member 150 includes a fixing bracket 152, a moving bracket 151, a displacement rotating shaft 154, a flat cam 153, a screw 156, a screw adjustment plate 155, and a coil spring 157. . The fixed bracket 152 and the moving bracket 151 may be referred to as a moving support, and the displacement rotating shaft 154, the flat cam 153, the screw 156, and the screw adjusting plate 155 may be referred to as displacement adjusting units. have.

The fixing bracket 152 is fixed to the inner surface of the upper housing 142 and is pivotally connected to the moving bracket 151 through the rotation pin. The movement bracket 151 may move up and down based on the fixing bracket 152. The moving bracket 151 is bent in a substantially C-shaped shape to support a paper medium passing through the bottom surface of the second lever 114 on the upper surface thereof, and move up and down in conjunction with the flat cam 153 on the bottom surface thereof. have. The coil spring may also be connected to the end of the movement bracket 151, and may move to elastically downward.

The displacement controller is mounted on the lower housing 144 of the reference support member 140. Specifically, the displacement rotation shaft 154 is rotatably connected to the lower housing 144, the planar cam 153 is located below the C-shaped movement bracket 151, and the bottom surface of the movement bracket 151 You can always keep in touch. The planar cam 153 and the displacement rotation shaft 154 may be formed in a D-cut shape and may be fixed integrally, and may rotate together with the displacement rotation shaft 154.

At the other end of the displacement axis of rotation 154, a screw adjuster is formed. The screw adjuster includes a screw throttle 155 fixed to an end of the displacement rotating shaft 154 exposed to the side of the lower housing 144, and the screw 156 is mounted to an end of the lower housing 144 so that the lower housing ( 144 and the screw control plate 155 can be adjusted. In addition, the lower housing 144 and the screw control plate 155 may be connected to the coil spring 157 so that the screw 156 and the screw control plate 155 may always be in close contact with each other.

FIG. 8 is a side view illustrating the movable support member of FIG. 7.

Typically, when the manager rotates the screw 156 clockwise, the screw 156 pushes the screw control plate 155 so that the displacement rotation axis 154 rotates, and the flat cam 153 mounted at the end thereof moves the moving bracket ( 151 can be lifted. As a result, the upper surface of the moving bracket 151, that is, the support surface corresponding to the second lever 114 is raised independently, and the gap between the bearing 115 and the support surface of the second lever 114 can be further narrowed. have.

On the contrary, when the administrator turns the screw 156 counterclockwise, the gap between the screw throttle 155 and the lower housing 144 by the screw 156 becomes narrow, and the displacement axis of rotation 154 can rotate in the opposite direction. have. At this time, as the lift by the flat cam 153 is reversed to the downward movement, the moving bracket 151 rotates downward, and the support surface can be adjusted downward again.

The administrator can finely adjust the support surface by the moving bracket 151 up and down by turning the screw 156. In addition, since the distance between the first lever 112 and the second lever 114 can be equally adjusted, the first lever 112 and the second lever 114 can be detected under the same conditions.

In particular, even when the first lever 112 and the second lever 114 are used, only one sensor member 120 can be held, so that the structure of the double sheet detecting device can be easily maintained, and the manufacturing cost can be kept low. . For reference, although only the first lever and the second lever are mentioned in the claims and the detailed description, the third lever and other levers may be further added.

In addition, although the movable support member is attached only to the second lever in this embodiment, the present invention is not limited to this embodiment, and the movable support member can be applied to the first lever or the other lever.

As described above, while having been described with reference to the preferred embodiment of the present invention, those skilled in the art various modifications and changes within the scope of the present invention without departing from the spirit and scope of the present invention described in the claims below. It will be appreciated that it can be changed.

The double sheet detecting device of the present invention detects whether there is a double sheet at two or more points, and detects two or more lever changes using one sensor.

In addition, since the double sheet detection device of the present invention can be used in the structure of the conventional double sheet detection device using one probe lever and one sensor as an additional probe lever structure, the conventional structure can be used with almost no change. In addition, the system can be used without modification.

The double sheet detecting device of the present invention can adjust the support surface for at least one of the levers. In other words, by independently adjusting the height of the support surface for a particular lever, the lever as a whole can respond to the same condition, and even if not the same can be adjusted to detect according to a specific condition.

Claims (5)

In the automatic sheet detecting apparatus mounted on the conveying path of the paper medium in the automated teller machine, A lever member including a lever rotating shaft spaced apart from the conveying path, a first lever and a second lever installed in parallel with the banknote conveying direction along an axis of the lever rotating shaft and rotating together with the lever rotating shaft; A sensor member mounted adjacent to the lever member to sense an amount of rotation of the lever rotation shaft; A reference support member fixed to a position opposite the lever member to support a paper medium passing through the conveying path; And A movable support member mounted to be movable relative to the reference support member, the movable support member including a movable supporter supporting the second lever and a displacement adjusting unit for adjusting a position of the movable supporter; Double sheet detecting device having a. The method of claim 1, The reference support member includes a support housing having a roller hole formed on an upper surface thereof, and a roller rotation shaft mounted on the support housing and exposed through the roller hole, wherein the support housing and the roller rotation shaft pass through the transport path. A double sheet detecting device defining a reference support surface. The method of claim 2, The moving support part includes a fixed bracket mounted to the support housing and a moving bracket for moving up and down relative to the fixed bracket and providing a moving support surface to the upper surface. The method of claim 3, The displacement adjusting unit may include a displacement rotating shaft mounted to the support housing, a flat cam fixed to one side of the displacement rotating shaft to support the moving bracket, and a screw adjusting unit mounted to the other side of the displacement rotating shaft to adjust the rotation amount of the displacement rotating shaft. Double sheet detecting device comprising a. The method of claim 1, The sensor member is mounted on the lever rotating shaft and the rotating plate and the rotation sensor fixed to the rotating plate adjacent to the rotating plate comprises a sensor for detecting the change of the rotating plate, characterized in that it comprises.

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