JP6544068B2 - Medium discrimination device and automatic transaction device - Google Patents

Description

  The present invention relates to a medium discrimination apparatus and an automatic transaction apparatus, and is applied to, for example, an automatic teller machine (ATM: Automatic Teller Machine) that performs a desired transaction with a user via a bill as a medium. It is suitable.

  2. Description of the Related Art Conventionally, an automatic teller machine used in a financial institution or the like is provided with a discrimination unit that discriminates the denomination and authenticity of a bill as a medium discrimination device that discriminates a bill as a medium. The discrimination unit has, for example, a magnetic sensor for detecting magnetism from magnetic ink printed on a bill, an image sensor for reading an image of the bill, a thickness sensor for detecting the thickness of the bill, etc. Based on the information obtained by the sensor of (1), the denomination and authenticity of the bill are discriminated (see, for example, Patent Document 1).

  Here, the structure of the conventional discrimination part 500 is shown to FIG. 15, 16. FIG. The conventional discrimination unit 500 has an upper frame 502 and a lower frame 503 disposed opposite to each other with a bill conveyance path 501 interposed therebetween, and a conveyance guide 504 for guiding the conveyance of the bill is attached to each of the upper frame 502 and the lower frame 503. Further, a sensor mounting portion 503A for mounting and fixing a sensor (for example, a magnetic sensor) 505 is formed on the lower frame 503, and the sensor 505 is mounted on the sensor mounting portion 503A. It is supposed to be fixed. The sensor 505 is disposed in the middle of the conveyance path 501.

  Further, the discrimination unit 500 includes, at one end side and the other end side of the conveyance path 501, a conveyance roller 507 disposed opposite to each other across the conveyance path 501, and a tension roller 508 pressed against the conveyance roller 507. . Further, the discrimination unit 500 is disposed opposite to the sensor 505 with the conveyance path 501 interposed therebetween, and includes a sensor roller 509 for pressing the bill BL against the sensor 505. The transport roller 507 is attached to a shaft 510 supported by the lower frame 503, and the tension roller 508 and the sensor roller 509 are attached to shafts 511 and 512 supported by the upper frame 502, respectively.

  The discrimination unit 500 having such a configuration presses the bill BL against the sensor 505 by the sensor roller 509 while the bill BL is being conveyed by the conveyance roller 507 and the tension roller 508, and the sensor 505 measures magnetism from the bill BL It is supposed to get information.

JP, 2010-198337, A

  By the way, the conventional discrimination unit 500 has a sensor attachment portion 503A of the lower frame 503, a surface opposite to the surface (referred to as a detection surface) 505A facing the sensor roller 509 of the sensor 505 (this is referred to as a back surface). , And the sensor 505 is attached to the sensor attachment portion 503A. In the conventional discrimination unit 500, the lower frame 503 to which the sensor 505 is attached and the upper frame 502 to which the sensor roller 509 is attached are separated.

  For this reason, in the conventional discrimination unit 500, a gap (referred to as a gap) G through which a bill passes between the detection surface 505A of the sensor 505 and the sensor roller 509 is kept constant (for example, a thickness of one bill). In fact, when the gap G is dispersed, the detection accuracy of the sensor 505 is dispersed, and as a result, the discrimination accuracy of the discrimination unit 500 is also dispersed.

  For this reason, in the conventional discrimination part 500, in order to suppress the variation in detection accuracy of the sensor 505, an operation of adjusting the gap G at the time of assembly is necessary, and the time required for the assembly operation has been increased accordingly. Thus, the conventional discrimination part had the problem that it was difficult to suppress the dispersion | variation in discrimination accuracy.

  The present invention takes the above points into consideration, and aims to propose a medium discrimination device and an automatic transaction device capable of easily suppressing variation in discrimination accuracy as compared with the prior art.

In order to solve such problems, in the present invention, a detection unit for detecting information for discriminating the medium from the medium, the detection unit, and the detection unit are disposed to face each other across the transport path for transporting the medium , An opposing portion for passing the medium between the detecting portion and the detecting portion are fixed, and the opposing portion is attached at a predetermined position, and a detection surface facing the opposing portion of the detecting portion is positioned and a frame having a positioning portion for the frame is formed in the conveyance guide integral to guide the conveyance of the medium provided along said conveying path, said detection unit, the positioning of the frame in a state in which the detection surface is positioned by parts, with different portions from the detection surface is fixed to the frame, the connecting portion between the conveyance guide, and the medium to the detector Id detected guide is provided, it said conveying guide and the detection guide is nested shape.

Thus, with attachment of the detector to the frame counter unit is attached to a predetermined position, by a Turkey to position the detecting surface of the detector by the positioning portion provided on the frame, the detection unit and the counter part to the frame And the gap between the detection surface of the detection unit and the opposite unit can be made constant, and the variation in detection accuracy of the detection unit can be suppressed. By providing the detection guide at the connecting portion of the above and forming the detection guide and the transport guide in a nested shape, it is possible to prevent the medium from being caught at the connecting portion of the detection unit and the transport guide .

  ADVANTAGE OF THE INVENTION this invention can implement | achieve the medium discrimination apparatus and automatic transaction apparatus which can suppress the dispersion | variation in discrimination accuracy easily compared with the past.

It is an appearance perspective view showing the composition of a cash dispenser. It is a figure which shows the internal structure of a banknote deposit or withdrawal unit. It is a side view which shows the internal structure of the discrimination part in 1st Embodiment. It is a front view which shows the internal structure of the discrimination part in 1st Embodiment. It is a top view which shows the internal structure of the discrimination part in 1st Embodiment. It is the enlarged view to which a part of discrimination part in 1st Embodiment was expanded. It is a front view which shows the internal structure of the discrimination part in 2nd Embodiment. It is a top view which shows the internal structure of the discrimination part in 2nd Embodiment. It is the enlarged view to which a part of discrimination part in 2nd Embodiment was expanded. It is a front view which shows the internal structure of the discrimination part in 3rd Embodiment. It is the enlarged view to which a part of discrimination part in 3rd Embodiment was expanded. It is a front view which shows the internal structure of the discrimination part in other embodiment. It is a front view which shows the internal structure of the discrimination part in other embodiment. It is the enlarged view to which a part of discrimination part in other embodiment was expanded. It is a side view which shows the internal structure of the conventional discrimination part. It is a front view which shows the internal structure of the conventional discrimination part.

  Hereinafter, modes for carrying out the invention will be described in detail with reference to the drawings.

[1. First embodiment]
[1-1. Overall composition of cash dispensers]
First, the first embodiment will be described. As the external appearance is shown in FIG. 1, the automated teller machine 1 is mainly configured of a box-like case 2 and is installed, for example, in a financial institution etc., and it is a deposit transaction, a withdrawal transaction, etc. with a customer. Make a cash transaction. In the following, the side of the cash dispenser 1 facing the customer is referred to as the front side, and the opposite is referred to as the back side, and upper, lower, right and left are defined as upper side, lower side, left side and right side from the customer facing the front side. .

  The cash dispenser 1 is provided with a customer service unit 3 at the upper front of the housing 2. The customer service unit 3 comprises a card slot 4, a cash slot 5, an operation display unit 6, a ten key 7 and a receipt issue port 8 to directly exchange cash, passbook, etc. with a customer and to notify of information on transactions. It is a part that receives an operation instruction.

  The card entrance 4 is a portion into which various cards such as cash cards are inserted or ejected. At the back of the card entrance 4, a card processing unit which reads account numbers etc. magnetically recorded on various cards. (Not shown) is provided.

  The deposit / withdrawal port 5 is a portion into which a bill deposited by the customer is inserted and a bill dispensed to the customer is discharged, and is opened or closed by driving the shutter. The operation display unit 6 is an integrated structure of an LCD (Liquid Crystal Display) for displaying an operation screen at the time of transaction, and a touch panel for selecting the type of transaction, and inputting a personal identification number, transaction amount and the like.

  The ten key 7 is used at the time of input operation such as a personal identification number or a transaction amount. The receipt issue port 8 is a part that issues a receipt on which the transaction content and the like are printed at the end of the transaction process, and on the back side of the receipt issue port 8, a receipt processing unit (not shown) Is provided.

  Furthermore, inside the cash dispenser 1 is a main control unit 9 that generally controls the entire cash dispenser 1, a storage unit 10 that stores transaction information, etc., and a bill deposit and withdrawal that performs various processes related to depositing and dispensing of bills. A gold unit 11 is provided. Further, the bill depositing and dispensing unit 11 is provided with a unit control unit 12. The unit control unit 12 reads out and executes a predetermined program from the storage unit 10 through the main control unit 9 to control each unit of the bill depositing / dispensing unit 11 to perform various processes such as deposit transaction and withdrawal transaction. I do.

  Furthermore, as shown in FIG. 2, at the upper part in the bill depositing / dispensing unit 11, there are a bill depositing / dispensing unit 20 having a deposit / withdrawal port 5, a discrimination unit 21 for discriminating the denomination and authenticity of the bill, the deposited bill etc. There is provided a temporary storage unit 22 for temporarily storing the A shutter 23 is provided at the deposit / withdrawal port 5 of the bill deposit / withdrawal unit 20, and the deposit / withdrawal port 5 is opened and closed by opening and closing the shutter 23.

  In the lower part of the bill depositing / dispensing unit 11, a recycle box 24 for accumulating bills in denominations, and a reject (for example, a broken bill) or the like which is determined to be abnormal as a result of discrimination by the discrimination unit 21 are stored. A cabinet 25 is provided.

  Further, the bill depositing and dispensing unit 20, the discrimination unit 21, the temporary storage unit 22, the recycle storage 24, and the reject storage 25 are connected by the transport unit 26. The conveyance unit 26 is configured to convey a rectangular banknote in the short side direction along a conveyance path indicated by a thick line in the drawing by a roller, a belt, or the like (not shown). A selector 27 is provided at a branch point of the transport unit 26. The selector 27 is configured to switch the conveyance destination of the bill by rotating based on the control of the unit control unit 12.

  The discrimination unit 21 has various sensors, discriminates the denomination and authenticity of bills passing through the inside, the degree of damage, etc. (correctness), and notifies the unit control unit 12 of the discrimination result. The temporary storage unit 22 temporarily stores the banknotes inserted by the customer into the deposit / withdrawal port 5 at the time of payment, and temporarily suspends the depositable banknotes identified as depositable by the discrimination unit 21 until payment is determined. And discharges the deposit impossible banknote discriminated as the deposit failure to the bill depositing / dispensing unit 20 in a so-called last-in first-out manner. In addition, the temporary storage unit 22 temporarily suspends the withdrawal impossible banknotes that are discriminated as non-dispensable by the discrimination unit 21 at the time of withdrawal until the banknotes capable of withdrawal are dispensed, and then the withdrawal The rejected banknotes are discharged to the reject storage 25.

  The recycle storage 24 is provided, for example, for each denomination, and takes in and stores the bills transported by the transport unit 26 by the storage and discharge mechanism, and discharges the stored bills and supplies them to the transport unit 26. It has become.

  In the automated teller machine 1 having the above configuration, the main control unit 9 and the unit control unit 12 control the respective units based on the discrimination result of the bill by the discrimination unit 21 and the like to perform the bill depositing process and the withdrawal process. Do.

  That is, when the deposit transaction is selected by the customer via the operation display unit 6 at the time of deposit transaction, the cash dispenser 1 opens the shutter 23, and when a bill is inserted into the deposit / withdrawal port 5, the shutter 23 The closed banknotes are conveyed from the banknote deposit and withdrawal unit 20 one by one to the discrimination unit 21. Here, the automated teller machine 1 transports to the temporary storage unit 22 and temporarily stores the banknotes determined to be depositable banknotes based on the discrimination result of the discrimination unit 21, and is not suitable for depositing banknotes. The banknotes determined to be are returned to the banknote depositing and dispensing unit 20, and are returned to the customer by opening the shutter 23.

  Thereafter, when the amount of money deposited is determined by the customer, the automated teller machine 1 conveys the banknote stored in the temporary storage unit 22 to the discrimination unit 21 and obtains a discrimination result.

  Here, the cash dispenser 1 transports and stores the banknotes determined to be storable banknotes based on the discrimination result of the discrimination unit 21 to the recycle storage 24 corresponding to the denomination. On the other hand, the cash dispenser 1 transports to the reject storage 25 the banknotes determined as the storage impracticable banknotes not suitable for storage in the recycle storage 24 and stores them separately from the storable banknotes.

  Further, at the time of the withdrawal transaction, when the withdrawal transaction is selected by the customer via the operation display unit 6 and the withdrawal amount is inputted by the customer, the banknote for each denomination necessary according to the required amount The number of sheets is recognized, and the bills are fed out from each recycle storage 24 according to the number of bills for each denomination, and conveyed to the discrimination unit 21 to obtain a discrimination result.

  Here, the automated teller machine 1 transports to the bill depositing / dispensing unit 20 a bill determined to be a billable banknote according to the discrimination result of the discriminating unit 21, and with the bill not suitable for dispensing. The determined banknotes are conveyed to the temporary storage unit 22 and temporarily stored.

  When bills corresponding to the required amount are accumulated in the bill depositing / dispensing unit 20, the cash dispenser 1 opens the shutter 23. As a result, it becomes possible to receive the bills accumulated in the bill depositing / dispensing unit 20, and the customer receives the bills. Thereafter, the automatic teller machine 1 conveys the withdrawal impossible banknotes stored in the temporary storage unit 22 to the reject storage 25 for storage.

  In this way, the automated teller machine 1 is configured to perform deposit and withdrawal transactions for banknotes.

[1-2. Configuration of discrimination unit]
Next, the structure of the discrimination part 21 is demonstrated using FIGS. 3-6. 3 is an internal block diagram seen from the left side, FIG. 4 is an internal block diagram seen from the front, FIG. 5 is an internal block diagram seen from the upper side, and FIG. 6 is an enlarged view around the magnetic sensor Is omitted or simplified. As shown in FIG. 3, in the discrimination unit 21, a transport path 51 extending in the front-rear direction is formed near the center in the vertical direction of the rectangular parallelepiped housing 50. Furthermore, in the discrimination unit 21, a lower side conveyance guide 52 and an upper side conveyance guide 53 for guiding a bill passing through the conveyance path 51 are disposed to face the lower side and the upper side across the conveyance path 51. The discrimination unit 21 discriminates the bill while conveying the bill backward or forward along the transport path 51. The banknotes are conveyed, for example, in the short direction.

  Further, inside the casing 50, a magnetic sensor 54 and a sensor roller 55 are disposed opposite to each other on the lower side and the upper side across the conveyance path 51 in the middle of the conveyance path 51. The magnetic sensor 54 is a sensor for detecting magnetism from magnetic ink printed on a bill. Further, at the front and the rear of the magnetic sensor 54 and the sensor roller 55, the conveyance roller 56 and the tension roller 57 are disposed to face the lower side and the upper side, respectively, with the conveyance path 51 interposed therebetween.

  In addition to the magnetic sensor 54, an image sensor, a thickness sensor, and the like may be separately provided inside the discrimination unit 21, but this is omitted here for the sake of simplicity.

  As shown in FIGS. 3 and 5, the transport roller 56 is fixedly supported by a rod-like shaft 58 extending in the left-right direction, and rotates along with the shaft 58. Note that FIG. 5 is a view in which the portion above the transport path 51 is omitted. A plurality of transport rollers 56 are provided in the left-right direction. That is, a plurality of transport rollers 56 are fixedly supported on the shaft 58 at intervals in the axial direction. Further, the left and right end portions of the shaft 58 are rotatably supported via bearings 60 at lower portions of the left and right wall portions 59L and 59R of the frame 59 inside the housing 50.

  As shown in FIG. 3, the tension roller 57 is rotatably supported by a rod-like shaft 61 extending in the left-right direction. Although not shown in FIGS. 3 to 5, a plurality of tension rollers 57 are also provided in the left-right direction. That is, the plurality of tension rollers 57 are supported by the shaft 61 at positions opposed to the plurality of transport rollers 56 at intervals in the axial direction. Further, the shaft 61 is vertically swingably supported on upper portions of the left and right wall portions 59L and 59R of the frame 59, and is directed downward (that is, to the conveyance roller 56) by a biasing member such as a spring (not shown). It is biased to move closer).

  As shown in FIGS. 3 and 4, the sensor roller 55 is fixedly supported by a rod-like shaft 62 extending in the left-right direction, and rotates with the shaft 62. A plurality of sensor rollers 55 are also provided in the left-right direction. That is, on the shaft 62, a plurality of sensor rollers 55 are fixed and supported at intervals in the axial direction. Further, the left and right end portions of the shaft 62 are rotatably supported on upper portions of the left and right wall portions 59L and 59R of the frame 59 via bearings 63. The sensor roller 55 and the conveyance roller 56 are formed of, for example, a nonmagnetic material such as rubber, and the tension roller 57 is formed of, for example, a magnetic material such as metal.

  As shown in FIGS. 4 and 5, the magnetic sensor 54 is in the form of a rectangular parallelepiped long in the left-right direction, and the length in the left-right direction is shorter than the distance between the left and right walls 59L and 59R of the frame 59. It is longer than the distance between the sensor rollers 55. In the magnetic sensor 54, a plurality of magnetic heads (not shown) are disposed at an interval in the left-right direction on the upper surface side inside, and the upper surface serves as a detection surface 54A for detecting magnetism. There is.

  The magnetic sensor 54 is in contact with the sensor positioning portion 52A (described in detail later) of the lower conveyance guide 52 integrally formed with the frame 59 with the left and right end portions of the detection surface 54A. The left and right end portions of the back surface on the opposite side are fixed to the sensor fixing member 64. The sensor fixing member 64 has a plate shape having a predetermined thickness, and the length in the left-right direction is substantially equal to the distance between the left and right wall portions 59L and 59R of the frame 59, and the left and right ends open downward. It is bent into a letter shape.

  The left and right end portions of the back surface of the magnetic sensor 54 are fixed by screws 65 on the upper surfaces of the left and right end portions of the sensor fixing member 64, and the left and right end surfaces of the left and right end portions of the sensor fixing member 64 It is fixed to the lower part of the left and right walls 59L, 59R with a screw 66. Screw holes are formed at predetermined positions on the back surface of the magnetic sensor 54, the upper surfaces and left and right end surfaces of left and right end portions of the sensor fixing member 64, and lower portions of the left and right wall portions 59L and 59R of the frame 59, respectively. It is assumed that

  Thus, the magnetic sensor 54 is fixed to the frame 59 via the sensor fixing member 64 in a state where the left and right end portions of the detection surface 54A are in contact with the sensor positioning portion 52A of the lower conveyance guide 52.

  The lower conveyance guide 52 is a plate having a predetermined thickness integrally formed with the frame 59, as shown in FIGS. 4 and 5, and connects the left wall 59L and the right wall 59R. It is provided as. That is, the left and right walls 59L and 59R and the lower conveyance guide 52 are integrated. The lower conveyance guide 52 is formed of resin together with the frame 59.

  The lower conveyance guide 52 is located above the shaft 58 of the conveyance roller 56 and below the upper end of the conveyance roller 56. Therefore, the lower side conveyance guide 52 is formed with an opening 70 along the shape of the conveyance roller 56 at a position facing each of the plurality of conveyance rollers 56. The upper end portion protrudes above the lower conveyance guide 52, that is, toward the conveyance path 51 side.

  Furthermore, an opening 71 whose length in the left-right direction is shorter than the magnetic sensor 54 is formed at a position where the lower conveyance guide 52 faces the magnetic sensor 54. Furthermore, in the lower conveyance guide 52, a portion between the left end of the opening 71 and the left wall portion 59L and a portion between the right end of the opening 71 and the right wall portion 59R are sensor positioning portions 52A. .

  As a result, when the magnetic sensor 54 is fixed with the left and right end portions of the detection surface 54A in contact with the sensor positioning portion 52A, the left and right end portions of the detection surface 54A are excluded from the opening 71 of the lower conveyance guide 52. Part of is exposed. Further, the length of the opening 71 in the left-right direction is longer than the longitudinal direction of the bill BL, and the bill BL is disposed between the sensor roller 55 located above the opening 71 and the magnetic sensor 54 exposed from the opening 71. Is supposed to pass. At this time, the bill BL is pressed against the detection surface 54A of the magnetic sensor 54 by the sensor roller 55, and the magnetic sensor 54 detects magnetism from the bill BL. Although a gap is formed between the bill BL and the sensor roller 55 in FIG. 4, the sensor roller 55 actually contacts the bill BL.

  Further, since the left and right end portions of the detection surface 54A of the magnetic sensor 54 are covered by the lower conveyance guide 52, the magnetic head is not disposed at this portion. By doing this, even if the left and right end portions of the detection surface 54A are covered by the lower conveyance guide 52, the magnetic sensor 54 does not affect the detection accuracy.

  Further, the frame 59 supports the shaft 62 of the sensor roller 55 so that the distance (that is, the gap) G between the lower end of the sensor roller 55 and the detection surface 54A of the magnetic sensor 54 becomes a predetermined length (the bearing 63 The position of the portion to be attached, the position and thickness of the sensor positioning portion 52A of the lower conveyance guide 52, and the like are selected.

  That is, the frame 59 is a gap G which is a gap through which the bill BL passes between the sensor roller 55 and the detection surface 54A of the magnetic sensor 54 when the shaft 62 fitted with the sensor roller 55 and the magnetic sensor 54 are attached. The gap G is formed to have a predetermined length without performing an operation of adjusting the distance.

  Further, as shown in FIG. 5, in the magnetic sensor 54, sensor guides 72 are attached to the front surface and the rear surface of the portion exposed from the opening 71 (that is, the remaining portion excluding both left and right end portions). The front and rear sensor guides 72 and the front and rear edge portions of the opening 71 opposed thereto are in a nested shape. Thus, the discrimination unit 21 can smoothly transport the bill BL without the bill BL being caught between the opening 71 of the lower transport guide 52 and the magnetic sensor 54.

  Also, although omitted in FIGS. 4 and 5, the upper transport guide 53 is also a plate having a predetermined thickness integrally formed with the frame 59, similarly to the lower transport guide 52, and the left wall It is provided so as to connect between the portion 59L and the right wall 59R.

  Further, as shown in FIGS. 3 and 6, the upper conveyance guide 53 is located below the shaft 61 of the tension roller 57 and above the lower end of the tension roller 57. Therefore, an opening (not shown) along the shape of the tension roller 57 is also formed in the upper conveyance guide 53 at a position facing each of the plurality of tension rollers 57. The lower end portion of the projection 57 projects downward from the upper conveyance guide 53, that is, toward the conveyance path 51 side.

  Further, an opening (not shown) for exposing the sensor roller 55 is formed at a position facing the sensor roller 55, and the upper side conveyance guide 53 has a lower end portion of the sensor roller 55 from the opening. It protrudes below the upper conveyance guide 53, that is, toward the conveyance path 51 side.

  Further, as shown in FIG. 6, above the front tension roller 57, a reinforcing beam 80 made of a metal plate parallel to the upper conveyance guide 53 and reinforcing the upper conveyance guide 53 is provided. Although not shown in FIG. 6, a similar reinforcing beam 80 is provided above the rear tension roller 57. The front and rear reinforcement beams 80 are separate parts from the frame 59, and are fixed to the left and right wall portions 59L and 59R of the frame 59 with screws or the like.

  A cylindrical boss 81 is sandwiched between the front reinforcing beam 80 disposed on the upper side of the front tension roller 57 and the upper surface of the upper conveyance guide 53 (that is, the surface opposite to the guide surface). The reinforcing beam 80 is fixed to the upper transport guide 53 by a screw 82 inserted from the upper surface side of the beam 80 and penetrating the reinforcing beam 80 and the boss 81 to reach the upper transport guide 53.

  Further, the front reinforcing beam 80 extends from the front of the front tension roller 57 to between the front tension roller 57 and the sensor roller 55, and one end closer to the sensor roller 55 is bent downward, It extends to the vicinity of the upper conveyance guide 53. That is, the reinforcing beam 80 on the front side is configured such that a portion (hereinafter referred to as a bent portion) 80A bent downward is positioned between the sensor roller 55 and the tension roller 57 on the front side, and as a whole, the front side. The upper side and the rear side (closer to the sensor roller 55) of the tension roller 57 are covered.

  On the other hand, the rear side reinforcing beam 80 has the front side reinforcing beam 80 turned back and forth, and is fixed to the upper side conveyance guide 53 as well as the front side reinforcing beam 80 and the rear side tension roller 57 It covers the upper side and the front side (the side close to the sensor roller 55).

  Thus, the front and rear reinforcement beams 80 are metal plates parallel to the upper side conveyance guide 53, and are fixed to the upper side conveyance guide 53 via the bosses 81, thereby reinforcing the upper side conveyance guide 53 to warp or the like. Is supposed to suppress.

  Further, the front and rear reinforcing beams 80 are generated from the front and rear tension rollers 57, which are magnetic bodies, by providing the bent portions 80A to respectively block the front and rear tension rollers 57 and the sensor roller 55. It also functions as a magnetic shield that suppresses the transmission of magnetic noise to the magnetic sensor 54 located below the sensor roller 55.

  The discrimination unit 21 has such a configuration and conveys the banknote BL in the front-rear direction by the conveyance roller 56 and the tension roller 57 while guiding the banknote BL by the lower conveyance guide 52 and the upper conveyance guide 53. On the way, the magnetism is detected from the bill BL by the magnetic sensor 54, and the detection result is sent to the unit control unit 12.

  The magnetic sensor 54 is electrically connected to the sensor fixing member 64 serving as a frame ground (reference potential) through the screw 65, thereby being grounded.

[1-3. Summary and effect]
As described above, in the discrimination section 21 of the cash dispenser 1, as in the conventional case, the frame to which the magnetic sensor 54 is attached and the frame to which the sensor roller 55 disposed opposite to the magnetic sensor 54 is attached are separated. Instead, the magnetic sensor 54 and the sensor roller 55 are attached to the frame 59 as the same frame 59.

  In addition, the frame 59 is positioned at a position where the shaft 62 of the sensor roller 55 is supported so that the distance (gap) G between the lower end of the sensor roller 55 and the detection surface 54A of the magnetic sensor 54 becomes a predetermined length. The position, thickness, and the like of the sensor positioning portion 52A of the lower conveyance guide 52 integrally formed with the frame 59 are selected. Therefore, when the discrimination unit 21 mounts the shaft 62 fitted with the sensor roller 55 to the frame 59 and the magnetic sensor 54 at the time of assembly, the gap G has a predetermined length at that time.

  As described above, the discrimination unit 21 makes the gap G constant without adjusting the gap G by merely attaching the shaft 62 with the sensor roller 55 fitted to the frame 59 and the magnetic sensor 54. As a result, the variation in detection accuracy of the magnetic sensor 54 can be suppressed. Thus, the discrimination unit 21 can easily suppress the variation in discrimination accuracy as compared with the conventional case.

  Further, in the discrimination unit 21, the lower side conveyance guide 52 having the sensor positioning portion 52 </ b> A with which the detection surface 54 </ b> A of the magnetic sensor 54 abuts is integrally formed with the frame 59. The position of the magnetic sensor 54 and the position of the detection surface 54A of the magnetic sensor 54 can also be accurately positioned without separately adjusting the position.

  Furthermore, in the discrimination unit 21, the upper conveyance guide 53 is integrally formed with the frame 59, and the conveyance roller 56 and the tension roller 57 for conveying a bill are also attached to the frame 59. As a result, the discrimination unit 21 can accurately position the upper conveyance guide 53, the conveyance roller 56, and the tension roller 57 without separately adjusting the assembly.

  Thus, in the discrimination unit 21, the magnetic sensor 54, the sensor roller 55, the conveyance roller 56, and the tension roller 57 are attached to the same frame 59, and the lower conveyance guide 52 and the upper conveyance guide 53 are integrated with the frame 59. These positions can be positioned with high accuracy, and thus generation of so-called jamming in which bills are clogged in the middle of the transport path 51 can be more reliably prevented.

  Further, in the discrimination section 21, a sensor guide 72 is provided on the front surface on the one end side of the magnetic sensor 54 in the transport direction and on the rear surface on the other end side. The front and back edges of 71 were nested. That is, the connection portion between the sensor guide 72 and the lower conveyance guide 52 is formed in a nested shape. As a result, the discrimination unit 21 can also prevent a bill from being caught between the magnetic sensor 54 and the lower conveyance guide 52.

  Furthermore, in the discrimination unit 21, the reinforcing beam 80 made of a metal plate parallel to the upper transport guide 53 is fixed to the upper transport guide 53, so that the warp and the like of the upper transport guide 53 can be suppressed. Can be prevented more reliably.

  Further, the reinforcing beam 80 is provided with a bent portion 80A bent downward, so as to interrupt the space between the tension roller 57 and the sensor roller 55, so that magnetic noise generated from the tension roller 57 can be detected by the sensor roller. Transmission to the magnetic sensor 54 located below 55 can be suppressed. As a result, it is possible to prevent the decrease in detection accuracy of the magnetic sensor 54 due to the magnetic noise.

[2. Second embodiment]
Next, a second embodiment will be described. The second embodiment is an embodiment in which the configuration of the discrimination unit is different from that of the first embodiment. The configuration other than the discrimination unit is the same as that of the first embodiment, and thus the first embodiment will be referred to for a detailed description. Therefore, the configuration of the discrimination unit will be described here.

[2-1. Configuration of discrimination unit]
The structure of the discrimination part 100 of 2nd Embodiment is demonstrated using FIGS. 7-9. 7 is an internal configuration view as viewed from the left side, FIG. 8 is an internal configuration view as viewed from the upper side, and FIG. 9 is an enlarged view around the magnetic sensor. There is. Moreover, in FIGS. 7-9, the code | symbol same about the identification part 21 of 1st Embodiment and an identical part is attached | subjected.

  As shown in FIGS. 7 and 8, in the discrimination unit 100, the shape of the lower conveyance guide 101 is mainly different from that of the discrimination unit 21. The lower conveyance guide 101 is integrally formed with the frame 102, and is provided so as to connect the left wall 102L and the right wall 102R of the frame 102. The lower conveyance guide 101 is formed of resin together with the frame 102.

  The lower conveyance guide 101 is located above the shaft 58 of the conveyance roller 56 and below the upper end of the conveyance roller 56, as with the lower conveyance guide 52 of the discrimination unit 21. Therefore, the lower side conveyance guide 101 is also formed with an opening 70 along the shape of the conveyance roller 56 at a position opposed to each of the plurality of conveyance rollers 56. The upper end portion projects above the lower conveyance guide 101, that is, toward the conveyance path 51 side.

  On the other hand, the lower conveyance guide 101 is not provided with the opening 71 formed in the lower conveyance guide 52 of the discrimination unit 21. Instead, in the lower conveyance guide 101, the thickness of the portion 101B facing the magnetic sensor 103 is thinner than the other portions, and this portion 101B is the sensor fixing portion 101B.

  The sensor fixing portion 101B has the same length as the detection surface 103A of the magnetic sensor 103 in front and rear and left and right, does not affect the detection accuracy of the magnetic sensor 103, and has a thickness (for example, a sufficient strength as a guide) And several mm). That is, in the discrimination unit 100, the magnetic sensor 103 is completely covered with the lower conveyance guide 101. However, the discrimination unit 21 is made as thin as possible by making the thickness of the sensor fixing portion 101B facing the magnetic sensor 103 as thin as possible. The same degree of detection accuracy can be obtained.

  Furthermore, on the back surface of the lower conveyance guide 101, a sensor attachment portion 101A as a cylindrical sensor positioning portion extending downward is formed on both left and right sides of the sensor fixing portion 101B.

  Similar to the magnetic sensor 54 of the discrimination unit 21, the magnetic sensor 103 has a rectangular parallelepiped shape elongated in the left-right direction, and the length in the left-right direction is shorter than the distance between the left and right wall parts 102L and 102R of the frame 102 It is longer than the distance between the sensor rollers 55. A plurality of magnetic heads (not shown) are arranged at an interval in the left-right direction on the upper end side inside the magnetic sensor 103. Therefore, the upper surface side of the magnetic sensor 103 is the detection surface 103A that detects magnetism.

  Further, as shown in FIG. 9, on the upper surface of the magnetic sensor 103, a convex portion 104 projecting upward is formed at the center in the front-rear direction (that is, the short direction), and the upper end face of the convex portion 104 is detected It is the surface 103A. On the other hand, on the back surface of the sensor fixing portion 101B of the lower conveyance guide 101 facing the upper surface of the magnetic sensor 103, a recessed portion 105 recessed upward is formed in accordance with the convex portion 104 of the magnetic sensor 103. Further, a dustproof packing 106 is fixed to the back surface of the sensor fixing portion 101B so as to surround the recess 105.

  Further, as shown in FIG. 7, the magnetic sensor 103 has a plate-like sensor fixing member 107 having a predetermined thickness attached to the back surface opposite to the detection surface 103A. The length of the sensor fixing member 107 in the left-right direction is longer than that of the magnetic sensor 103, and the left and right end portions protrude outside the left and right end portions of the magnetic sensor 103.

  The magnetic sensor 103 presses the periphery of the detection surface 103A (that is, the periphery of the convex portion 104) against the dustproof packing 106, and the left and right end portions of the sensor fixing member 107 are fixed to the lower end of the sensor attachment portion 101A with screws 108. As a result, the lower conveyance guide 101 is fixed. Note that screw holes are formed at predetermined positions on the lower surface of the sensor mounting portion 101A and the left and right end portions of the sensor fixing member 107, respectively.

  At this time, a gap is formed between the convex portion 104 of the magnetic sensor 103 and the concave portion 105 of the sensor fixing portion 101B, that is, between the detection surface 103A and the sensor fixing portion 101B. In the portion 100, the thickness of the dustproof packing 106, the length in the vertical direction of the sensor mounting portion 101A, and the like are selected so that the gap becomes as small as negligible.

  Further, the frame 102 supports the shaft 62 of the sensor roller 55 so that the gap G, which is the distance between the lower end of the sensor roller 55 and the upper surface (guide surface) of the lower conveyance guide 101, has a predetermined length The position of the portion where the bearing 63 is attached, the position of the lower conveyance guide 101, the length in the vertical direction of the sensor mounting portion 101A, and the like are selected.

  That is, when the magnetic sensor 103 is attached to the shaft 62 to which the sensor roller 55 is fitted, the frame 102 is a gap G through which the bill BL passes between the sensor roller 55 and the detection surface 103A of the magnetic sensor 103. The gap G is formed to have a predetermined length without performing an operation of adjusting the distance.

[2-2. Summary and effect]
As described above, in the discrimination unit 100, the magnetic sensor 103 is disposed on the back side of the lower conveyance guide 101, and a portion facing the magnetic sensor 103 of the lower conveyance guide 101 (that is, the sensor fixing portion 101B). Was thinner than the other parts. Thereby, the discrimination unit 100 omits the connection portion between the magnetic sensor 103 and the lower conveyance guide 101 on the conveyance path 51 while securing the same degree of discrimination accuracy as the judgment unit 21 of the first embodiment. While being a simple configuration, the bill BL can be transported smoothly to prevent jamming.

  In addition, the discrimination unit 100 sets the shaft 62 of the sensor roller 55 in the frame 102 so that the distance (gap) G between the lower end of the sensor roller 55 and the upper surface (guide surface) of the lower conveyance guide 101 becomes a predetermined length. The position of the portion supporting the position, the position of the lower conveyance guide 101 integrally formed with the frame 102, the length in the vertical direction of the sensor attachment portion 101A as a sensor positioning portion, and the like are selected. Therefore, when the discrimination unit 100 attaches the shaft 62 fitted with the sensor roller 55 to the frame 102 and the magnetic sensor 103 at the time of assembly, the gap G has a predetermined length at that time.

  As described above, the discrimination unit 100 makes the gap G constant without adjusting the gap G only by attaching the shaft 62 with the sensor roller 55 fitted to the frame 102 and the magnetic sensor 103. Therefore, the variation in detection accuracy of the magnetic sensor 103 can be suppressed. Thus, the discrimination unit 100 can also suppress variation in discrimination accuracy more easily than in the conventional case, as in the first embodiment.

  Further, the discrimination unit 100 has a dustproof structure in which the space between the detection surface 103A of the magnetic sensor 103 and the lower conveyance guide 101 is covered with the dustproof packing 106, so that foreign matter adheres to the detection surface 103A of the magnetic sensor 103. It can prevent and can distinguish bill BL more precisely.

  Further, as described above, by covering the detection surface 103A of the magnetic sensor 103 with the lower conveyance guide 101 and the dustproof packing 106, for example, the detection surface 103A of the magnetic sensor 103 is opened, and the internal magnetic head is It may be exposed to the outside of the sensor 103.

  Even with this configuration, since the magnetic head is covered by the lower conveyance guide 101 and the dustproof packing 106, the magnetic sensor 103 can prevent foreign matter from adhering to the magnetic head. Further, in this case, since the magnetic head of the magnetic sensor 103 is exposed to the outside of the magnetic sensor 103, much better detection accuracy can be obtained.

[3. Third embodiment]
Next, a third embodiment will be described. The third embodiment is an embodiment in which a damping member is added to the discrimination unit of the first embodiment. The configuration other than the discrimination unit is the same as that of the first embodiment, and thus the first embodiment will be referred to for a detailed description. Therefore, the configuration of the discrimination unit will be described here.

[3-1. Configuration of discrimination unit]
The structure of the discrimination part 200 of 3rd Embodiment is demonstrated using FIG. 10, FIG. 10 is an internal configuration view as viewed from the left side, and FIG. 11 is an enlarged cross-sectional view enlarging a cross section around the fixing portion between the magnetic sensor and the sensor fixing member, and a partially omitted or simplified view, It has become. Moreover, in FIG. 10, FIG. 11, the same code | symbol is attached | subjected about the same part as the discrimination part 21 of 1st Embodiment.

  As shown in FIG. 10, in the discrimination unit 200, the damping member 201 is sandwiched between the magnetic sensor 54 and the upper surfaces of the left and right ends of the sensor fixing member 64, and the upper surfaces of the left and right ends of the sensor fixing member 64 The damping member 202 is also sandwiched between the reverse side and the screw 65 on the opposite side. The damping members 201 and 202 are formed of, for example, an elastic material such as silicon or rubber. Further, one end portion of a frame ground (FG) member 203 made of a flat spring obtained by bending a thin metal plate in a step-like manner is interposed between the screw 65 and the damping member 202.

  That is, the discrimination unit 200 includes the damping member 201 between the upper surfaces of the left and right ends of the sensor fixing member 64 and the magnetic sensor 54, and between the back surfaces of the left and right ends of the sensor fixing member 64 and the FG member 203, The magnetic sensor 54 is fixed to the sensor fixing member 64 by the screws 65 that pass through the FG member 203, the vibration damping member 202, the sensor fixing member 64, and the vibration damping member 201 sequentially to reach the magnetic sensor 54 in a state where 202 is sandwiched. It is supposed to be Further, the other end portion of the FG member 203 is fixed to the back surface inside the left and right end portions of the sensor fixing member 64 with a screw 204.

  As shown in FIG. 11, the sensor fixing member 64 is formed with a hole 210 penetrating in the thickness direction at the top of the left and right end portions, and the hole 210 is formed of a cylindrical metal. The collar member 211 is inserted. In the collar member 211, the length in the vertical direction is longer than the thickness of the sensor fixing member 64, and the screws 65 pass through the inside, and the damping members 201 and 202 formed in a ring shape are fitted on the outside of the upper and lower ends. It is supposed to be integrated.

  The discrimination unit 200 fixes the magnetic sensor 54 to the sensor fixing member 64 via the collar member 211 whose length in the vertical direction is constant, thereby the vertical direction between the magnetic sensor 54 and the sensor fixing member 64 is vertical. The vertical position of the magnetic sensor 54 does not change significantly even if the vibration control member 201 in which the length of the direction can change is held.

  By the way, the inner diameter of the hole 210 of the sensor fixing member 64 is slightly larger than the outer diameter of the collar member 211. Therefore, the inner diameter of the hole 210 of the sensor fixing member 64 and the outer periphery of the collar member 211 are small. There is a gap.

  Thus, in the discrimination unit 200, the collar member 211 and the sensor fixing member 64 are not in complete contact with each other, and between the magnetic sensor 54 and the sensor fixing member 64 and between the sensor fixing member 64 and the screw 65. Since the nonconductive damping members 201 and 202 are provided, only by fixing the magnetic sensor 54 and the sensor fixing member 64 with the screws 65, the sensor fixing becomes the frame ground (reference potential) of the magnetic sensor 54. There is a risk that the member 64 can not be electrically connected.

  Therefore, in the discrimination unit 200, one end of the metal FG member 203 is sandwiched between the screw 65 and the damping member 202, and the other end is fixed to the sensor fixing member 64. As a result, the magnetic sensor 54 and the sensor fixing member 64 are electrically connected via the screw 65 and the FG member 203. Thus, the discrimination unit 200 is configured to connect the magnetic sensor 54 to ground.

[3-2. Summary and effect]
As described above, in the discrimination unit 200, the damping members 201 and 202 are provided between the magnetic sensor 54 and the sensor fixing member 64 and between the sensor fixing member 64 and the screw 65. As a result, the discrimination unit 200 can suppress transmission of the vibration of the sensor roller 55, the conveyance roller 56, the tension roller 57 and the like from the frame 59 to the magnetic sensor 54 via the sensor fixing member 64.

  In addition, although the discrimination unit 200 positions the detection surface 54A of the magnetic sensor 54 by the sensor positioning unit 52A of the lower conveyance guide 52, it merely makes the detection surface 54A contact the sensor positioning unit 52A, It is not fixed. Therefore, for example, of the vibrations from the sensor positioning unit 52A, at least the vibration in the front-rear and left-right direction (that is, the vibration in the direction parallel to the detection surface 54A of the magnetic sensor 54) Transmission can be suppressed.

  Thus, since the discrimination part 200 can suppress the vibration transmitted to the magnetic sensor 54, the fall of the detection accuracy of the magnetic sensor 54 by vibration can be prevented.

  Furthermore, the discrimination unit 200 is provided with an FG member 203 in contact with both the screw 65 electrically contacting the magnetic sensor 54 and the sensor fixing member 64 serving as a frame ground. Thus, the magnetic sensor 54 can be connected to the sensor fixing member 64, that is, the frame ground.

  Thereby, the discrimination unit 200 is configured to provide the nonconductive conductive damping members 201 and 202 between the magnetic sensor 54 and the sensor fixing member 64 and between the sensor fixing member 64 and the screw 65, The sensor 54 can be securely grounded.

  In addition, since the discrimination unit 200 also has the same configuration as the discrimination unit 21 of the first embodiment, the effect obtained by the discrimination unit 21, that is, variation in discrimination accuracy easily as compared with the conventional case. And the effect of preventing the occurrence of a jam, and the effect of preventing a decrease in detection accuracy of the magnetic sensor 54 due to the magnetic noise can also be obtained.

[4. Other embodiments]
[4-1. Other Embodiment 1]
In the third embodiment described above, although the damping members 201 and 202 are added to the configuration of the discrimination unit 21 of the first embodiment, the present invention is not limited to this. For example, FIG. A damping member may be added to the configuration of the conventional discrimination unit 500 shown.

  The discrimination part 300 which consists of such a structure is shown in FIG. That is, in the discrimination unit 300, the damping member 301 is sandwiched between the sensor 505 and the upper surface of the sensor attachment portion 503A formed on the lower frame 503, and the opposite side to the upper surface of the sensor attachment portion 503A. The damping member 302 is also sandwiched between the back surface and the screw 506. Further, one end portion of an FG member 303 formed of a plate spring obtained by bending a metal plate into an L shape is interposed between the screw 506 and the damping member 302. Furthermore, the other end of the FG member 303 is fixed to the lower frame 503. The lower frame 503 is metal and is assumed to be a frame ground.

  A hole (not shown) penetrating in the thickness direction is formed in the sensor attachment portion 503A, and a collar member 304 formed of a cylindrical metal is inserted into the hole. In this collar member 304, the length in the vertical direction is longer than the thickness of the sensor attachment portion 503A, and the screw 506 passes through the inside, and the damping members 301 and 302 formed in a ring shape fit over the outside of the upper and lower ends. It is supposed to be integrated.

  With such a configuration, the discrimination unit 300 can suppress transmission of vibration due to the conveyance roller 507 or the like to the sensor 505 via the sensor attachment portion 503A of the lower frame 503, and the sensor 505 can be reliably grounded. It can be connected. When the lower frame 503 is, for example, a resin, the other end of the FG member 303 may be separately fixed to a portion to be a frame ground.

  Moreover, you may make it add a damping member to the structure of the discrimination part 100 of 2nd Embodiment mentioned above. The discrimination part 400 which consists of such a structure is shown to FIG. 13, FIG.

  That is, in the discrimination unit 400, the damping member 401 is sandwiched between the upper surface of the sensor fixing member 107 and the sensor attachment portion 101A, and the damping member 402 is also interposed between the back surface of the sensor fixing member 107 and the screw 108. Is pinched. Further, one end portion of an FG member 403 formed of a plate spring obtained by bending a metal plate in a step-like manner is interposed between the screw 108 and the damping member 402. Furthermore, the other end of the FG member 403 is fixed to the sensor fixing member 107 by a screw 404.

  Also in this case, a hole (not shown) passing through in the thickness direction is formed in the sensor fixing member 107, and a collar member 405 formed of a cylindrical metal is inserted into the hole. There is. In this collar member 405, the length in the vertical direction is longer than the thickness of the sensor fixing member 107, and the screw 108 passes through the inside thereof, and the damping members 401 and 402 formed in a ring shape are fitted on the outside of the upper and lower ends thereof. It is supposed to be integrated.

  With such a configuration, the discrimination unit 400 can suppress transmission of vibration due to the sensor roller 55, the conveyance roller 56, the tension roller 57, and the like to the magnetic sensor 103 via the sensor attachment portion 101A of the frame 102. And, the magnetic sensor 103 can be reliably connected to ground. Further, since the discrimination unit 400 is provided with a dustproof packing 106 formed of an elastic material between the magnetic sensor 103 and the sensor fixing unit 101B of the lower conveyance guide 101, the dustproof packing 106 is located on the lower side. The vibration transmitted from the conveyance guide 101 to the magnetic sensor 103 is also suppressed.

  The number and positions of locations where the sensor mounting portion 101A and the sensor fixing member 107 are fixed by screws may be appropriately selected. For example, as shown in FIG. 14, the front and rear sides of the magnetic sensor 103 It is good also as two places of, or it is good also as one place between these. The same applies to the discrimination units 21, 100, 200, and 300.

[4-2. Other Embodiment 2]
Further, in the first embodiment described above, the magnetic sensor 54 and the conveyance roller 56 are disposed on the same side (that is, the lower side) when viewed from the conveyance path 51, and the sensor roller 55 and the tension roller 57 are reversed. It was placed on the side (ie upper side). Not limited to this, the magnetic sensor 54 and the tension roller 57 are disposed on the same side (for example, the lower side) as viewed from the conveyance path 51, and the sensor roller 55 and the conveyance roller 56 are disposed on the opposite side (for example, the upper side) You may do it.

  When the magnetic sensor 54 and the tension roller 57 are disposed on the lower side, the reinforcing beam 80 is provided not on the upper conveyance guide 53 but on the lower conveyance guide 52. In this way, the bent portion 80A of the reinforcing beam 80 blocks between the front and rear tension roller 57 and the magnetic sensor 54, so that the effect of suppressing the magnetic noise can be obtained.

  The reinforcing beam 80 may be provided not only on one of the lower conveyance guide 52 and the upper conveyance guide 53 but on both of them. The same applies to the discrimination units 100, 200, 300, and 400.

[4-3. Another Embodiment 3]
Furthermore, in the first embodiment described above, the frame 59, the lower conveyance guide 52, and the sensor positioning portion 52A are integrally formed. However, the frame 59 and the sensor positioning portion 52A may be integrally formed if attention is focused only on making the gap G between the detection surface 54A of the magnetic sensor 54 and the sensor roller 55 constant. The lower conveyance guide 52 may be provided separately from them. The same applies to the discrimination units 100, 200, 300, and 400.

[4-4. Other Embodiment 4]
Furthermore, in the above-described first embodiment, the sensor guide 72 made of resin is attached to the front and back surfaces of the magnetic sensor 54. However, the sensor guide 72 is formed by, for example, a metal material. In addition to the above, it may be made to function as a magnetic shield for suppressing magnetic noise from the tension roller 57. The same applies to the discrimination unit 200.

[4-5. Another Embodiment 5]
Furthermore, in each embodiment mentioned above, although the present invention was applied to discrimination part 21, 100, 200, 300, 400 as a medium discrimination device, the present invention is not limited to this and a sensor is conveyed while conveying a medium. If it is a medium discrimination device which distinguishes by the above, it is applicable also to a medium discrimination device of composition different from discrimination part 21, 100, 200, 300, 400.

  Furthermore, in each embodiment mentioned above, although the present invention was applied to automatic teller machine 1 as an automatic transaction device, it is not limited to this, and if it is an automatic transaction device having a discrimination unit, automatic teller machine 1 It can apply also to the automatic transaction apparatus of a different composition. For example, even if it is an automatic transaction apparatus which handles media other than paper money, such as paper and a ticket, it is applicable if it is an automatic transaction apparatus which has a discrimination part which distinguishes media.

  Furthermore, in each of the above-described embodiments, the magnetic sensors 54 and 103 for detecting magnetism are used as specific examples of the detection unit for detecting information for discriminating the medium from the medium, but in order to discriminate the medium from the medium For example, an image sensor, a thickness sensor, or the like may be used as the detection unit, as well as the magnetic sensor, as long as it detects information of the above.

  Furthermore, in each of the embodiments described above, the sensor roller 55 is used as a specific example of the facing portion disposed to face the detection portion, but the present invention is not limited to this, and is disposed to face the detection portion, As long as the medium is passed between the sensor and the detection unit, a facing portion different from the sensor roller 55 may be used. For example, a belt wound around a pulley, a U-shaped guide plate or the like may be used as the facing portion.

  Furthermore, in the first and third embodiments described above, the sensor guide 72 as a detection guide is attached to the front and back surfaces of the magnetic sensor 54. However, the present invention is not limited to this. It may be formed integrally with the

  Furthermore, in each of the above-described embodiments, the transport roller 56 and the tension roller 57 are used as the first movable portion and the second movable portion that transport the medium with the sheet interposed therebetween. The present invention is not limited to this, and as long as the medium is sandwiched and conveyed, the first movable portion and the second movable portion different from the conveyance roller 56 and the tension roller 57 may be used.

  Furthermore, in each of the embodiments described above, the reinforcing beam 80 made of a metal plate is used as a reinforcing member for reinforcing the transport guide, but a reinforcing member different from the reinforcing beam 80 is used if it reinforces the transport guide. May be

  Furthermore, in the second embodiment described above, the dustproof packing 106 is provided between the sensor fixing portion 101B and the detection surface 103A of the magnetic sensor 103, so that the sensor fixing portion 101B and the detection surface 103A of the magnetic sensor 103 are detected. A dustproof structure was used between the For example, by applying a sealing material between the sensor fixing portion 101B and the detection surface 103A of the magnetic sensor 103, the space between the sensor fixing portion 101B and the detection surface 103A of the magnetic sensor 103 is dustproofed, for example. It may be a structure. In addition, dustproof structures other than these may be used.

  Furthermore, in the third embodiment described above, the screw 65 is used as a fixing tool for fixing the magnetic sensor 54 and the sensor fixing member 64 as a fixing member, but the invention is not limited to this. These may be fixed. The same applies to the discrimination units 21, 100, 300, and 400.

  Furthermore, in the above-described third embodiment, the FG member 303 formed of a flat spring is used as a ground member in contact with both the screw 65 and the sensor fixing member 64. A ground member different from the FG member 303 may be used as long as it contacts both the sensor fixing member 64 and the sensor fixing member 64. The same applies to the discrimination units 300 and 400.

  Furthermore, in the third embodiment described above, the vibration control member 201 formed of an elastic material such as rubber or silicon as a vibration control member for suppressing the vibration transmitted from the sensor fixing member 64 to the magnetic sensor 54, I used 202. Instead of these, for example, a metal spring or a damping member made of a spring may be used. In this case, since the magnetic sensor 54 and the sensor fixing member 64 can be electrically connected through the metal damping member, the discrimination unit 200 may be configured to omit the FG member 203. it can.

[4-6. Another embodiment 6]
Furthermore, the present invention is not limited to the embodiments described above. That is, the present invention is applicable also to an embodiment in which a part or all of the first to third embodiments described above and other embodiments are arbitrarily combined, or an embodiment in which a part is extracted. The

  INDUSTRIAL APPLICABILITY The present invention can be widely used in a medium discrimination device that discriminates a medium, and an automatic transaction device having a discrimination unit as a medium discrimination device.

  1 ... cash dispenser 21, 21, 100, 200, 300, 400, 500 ... discrimination unit, 36 ... transport unit, 51, 501 ... transport path, 52, 101 ... lower transport guide, 52A ... ... sensor positioning part, 53 ... upper side conveyance guide, 54, 103 ... magnetic sensor, 55, 509 ... sensor roller, 56, 507 ... conveyance roller, 57, 508 ... tension roller, 59, 102 ... frame , 64, 107: sensor fixing member, 65, 66, 82, 108, 204, 404, 506: screw, 72: sensor guide, 80: reinforcing beam, 80A: bending portion, 101A, 503A: Sensor mounting portion, 101 B: sensor fixing portion, 106: dustproof packing, 201, 202, 301, 302, 401, 402: damping member, 303, 403,. FG members, 503 ...... upper frame, 504 ...... Roi frame, 504 ...... conveying guide, 505 ...... sensor.

Claims (7)

A detection unit that detects information for identifying the medium from the medium;
An opposing part disposed opposite to the detection part, sandwiching a conveyance path for conveying the medium, and passing the medium between the detection part and the detection part;
A frame having a detection portion fixed and a facing portion attached at a predetermined position, and a positioning portion for positioning a detection surface facing the facing portion of the detection portion;
The frame is integrally formed with a transport guide that guides transport of the medium provided along the transport path.
The detection unit is
In a state in which the detection surface is positioned by the positioning portion of the frame, with different portions from the detection surface is fixed to the frame, the connecting portion between the conveyance guide, and the medium to the detector A medium discrimination device comprising: a detection guide to be guided; and the detection guide and the transport guide in a nested shape. A detection unit that detects information for identifying the medium from the medium;
An opposing portion disposed opposite to the detecting portion and passing the medium between the detecting portion and the opposing portion;
A frame having a detection portion fixed and a facing portion attached at a predetermined position, and a positioning portion for positioning a detection surface facing the facing portion of the detection portion;
The detection unit is
In a state in which the detection surface is positioned by the positioning portion of the frame, different points from that of the detection surface, is fixed to the frame via the fixing member is a electrically conductive member serving as a ground,
The detection unit and the fixing member are electrically connected by the conductive fixing tool, and the fixing tool and the detection unit are electrically connected, and the fixing tool and the fixing member are fixed without being electrically connected.
And a conductive ground member electrically connected to both the fixture and the fixing member,
The medium discrimination device according to claim 1, wherein the detection unit is connected to ground by being electrically connected to the fixing member via the fixing tool and the ground member. The detection unit and the facing unit are provided on a conveyance path that conveys the medium, and are disposed to face each other across the conveyance path.
The medium discrimination device according to claim 2 , wherein the frame is integrally formed with a conveyance guide which guides the conveyance of the medium provided along the conveyance path. The part of the conveying guide, the medium discrimination device according to claim 1 or 3, characterized in that it is with the positioning portion. The first movable portion and the second movable portion for conveying in between the front Symbol medium is positioned so as to face each other across the conveying path,
Wherein the frame, the medium discrimination apparatus according to claim 1, 3, 4, characterized in that for holding the second movable portion and the first movable portion in a predetermined position. Between the fixing member and the detection portion, in claim 2, wherein a damping member for suppressing a vibration transmitted to the detector through said fixing member from said frame is provided Medium discrimination device as described. A discrimination unit that discriminates a medium for trading,
And a transport unit for transporting the medium to the discrimination unit;
The discrimination unit is
A detection unit that detects information for identifying the medium from the medium;
And the detector is disposed so as to face each other across the conveyance path for conveying the medium, and the opposing portion through the medium between the detection unit,
A frame having a detection portion fixed and a facing portion attached at a predetermined position, and a positioning portion for positioning a detection surface facing the facing portion of the detection portion;
The frame is integrally formed with a transport guide that guides transport of the medium provided along the transport path.
The detection unit is
In a state in which the detection surface is positioned by the positioning portion of the frame, with different portions from the detection surface is fixed to the frame, the connecting portion between the conveyance guide, and the medium to the detector An automatic transaction apparatus comprising: a detection guide for guiding, wherein the detection guide and the transport guide are in a nested shape .

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