JP2020067709A - Coin put-out device - Google Patents

Abstract

To provide a coin put-out device capable of preventing a defect in paying out coins with a simple constitution.SOLUTION: A coin put-out device 100 comprises: a second storage part 11 where coins M are vertically stacked and stored; a rotary disk 12 which is arranged opposite to a bottom surface of the second storage part 11b and driven to rotate; a push-out pin 13 which is provided on a top surface of the rotary disk 12, and pushes out and discharges the coins M stored at the second storage part 11b from a discharge opening 11c provided on the bottom surface of the second storage part 11b as the rotary disk 12 is driven to rotate; an optical sensor 15 which detects the coins M being discharged from the second storage part 11b; an arithmetic processing part 6 which calculates a rotation time Tc that the rotary disk 12 requires to make one rotation based upon the detection timing when the optical sensor 15 detects the coins M being discharged; and a motor control part 7 which stops the rotary disk 12 at a predetermined position based upon the rotation time Tc calculated by the arithmetic processing part 6.SELECTED DRAWING: Figure 13

Description

  The present invention relates to a coin dispensing device.

  2. Description of the Related Art In recent years, a coin depositing / dispensing device that stores coins deposited as product price and dispenses the stored coins as change according to the product price has been widely used in stores and the like.

  As a technique related to the coin depositing / dispensing device, for example, a coin dispensing device of Patent Document 1 is proposed. In Patent Document 1, in a coin dispensing device that normally rotates a rotating disk and guides the coins in a circumferential direction of the rotating disk by a restriction pin to discharge the coins, when a coin discharge failure occurs due to a coin jam (coin jam). Japanese Patent Application Laid-Open No. 2003-242242 discloses a technique for eliminating the coin jam by rotating the rotating disk in the reverse direction so that the coin can pass over the regulation pin.

JP, 2014-203313, A

  However, in the conventional technique, since it is necessary to switch the rotation direction of the rotary disk when the coin jam occurs, the load of the drive motor increases and the structure of the coin dispensing device becomes complicated.

  An object of the present invention is to provide a coin dispensing device capable of preventing a coin discharge defect with a simple configuration.

  A coin dispensing device according to one aspect of the present invention is arranged so as to face a bottom surface of the coin storage unit and a coin storage unit that stacks and stores coins in a vertical direction, and rotates around a rotation axis in the vertical direction. The driven rotating body and the coin provided in the upper surface of the rotating body and stored in the coin storing section is pushed out from the opening provided in the bottom surface of the coin storing section according to the rotational drive of the rotating body. And a discharging portion, a coin detecting portion that detects that the coin is discharged from the opening of the coin storing portion, and a detection timing when the coin detecting portion detects that the coin has been discharged. A calculation unit that calculates a rotation time required for the rotation body to make one rotation based on the rotation time; and a drive control unit that stops the rotation body at a predetermined position based on the rotation time calculated by the calculation unit, Provided.

  According to the present invention, it is possible to prevent coin ejection failure with a simple configuration.

FIG. 1 is a perspective view showing the overall configuration of a coin depositing / dispensing apparatus according to an embodiment of the present invention. FIG. 2 is a perspective view showing the internal structure of the coin depositing / dispensing apparatus according to the embodiment of the present invention. FIG. 3 is a side view showing a state in which the side cover of the coin depositing / dispensing apparatus according to the embodiment of the present invention is seen through. FIG. 4 is a perspective view of a coin storage cassette of the coin depositing / dispensing device according to the embodiment of the present invention, as viewed from above. FIG. 5 is a perspective view of the coin storage cassette of the coin depositing / dispensing device according to the embodiment of the present invention as seen from below. FIG. 6 is a block diagram showing the configuration of the coin depositing / dispensing apparatus according to the embodiment of the present invention. FIG. 7: is a schematic diagram which shows the internal structure of the coin storage cassette of the coin depositing / dispensing apparatus which concerns on embodiment of this invention. FIG. 8A is a diagram showing a mechanism in which coins of the coin storage cassette of the coin depositing / dispensing device according to the embodiment of the present invention are discharged. FIG. 8B is a view of FIG. 8A seen from above. FIG. 9A is a diagram showing a mechanism in which coins in the coin storage cassette of the coin depositing / dispensing apparatus according to the embodiment of the present invention are discharged. FIG. 9B is a diagram of FIG. 9A viewed from above. FIG. 10A is a diagram showing a mechanism in which coins of the coin storage cassette of the coin depositing / dispensing device according to the embodiment of the present invention are discharged. FIG. 10B is a view of FIG. 10A seen from above. It is a figure which shows the mechanism which a coin discharge defect arises in the coin depositing / dispensing apparatus which concerns on a reference form. It is a figure which shows the mechanism which a coin discharge defect arises in the coin depositing / dispensing apparatus which concerns on a reference form. FIG. 12A is a diagram showing how the pushing pin moves in the coin depositing / dispensing apparatus according to the embodiment of the present invention. FIG. 12B is a diagram showing how the pushing pin and the coin move in the coin depositing / dispensing apparatus according to the embodiment of the present invention. FIG. 13 is a timing chart for calculating the stop position of the push pin in the coin depositing / dispensing apparatus according to the embodiment of the present invention. FIG. 14: is a flowchart which shows an example of the procedure of the control process performed with the coin depositing / withdrawing apparatus which concerns on embodiment of this invention. FIG. 15: is a flowchart which shows an example of the procedure of the control process performed with the coin depositing / withdrawing apparatus which concerns on embodiment of this invention. FIG. 16: is a flowchart which shows an example of the procedure of the control process performed with the coin depositing / withdrawing apparatus which concerns on embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. It should be noted that each of the following embodiments is an example in which the present invention is embodied and does not have the nature of limiting the technical scope of the present invention.

  The coin depositing / dispensing device according to the embodiment of the present invention is used by being connected to a POS terminal or the like in a facility such as a store or a gas station. The coin depositing / dispensing device has a function as, for example, an automatic change machine. The coin depositing / dispensing device is an example of the coin dispensing device of the present invention. Hereinafter, as an embodiment of the coin dispensing device of the present invention, a coin depositing / dispensing device (automatic change machine) operable from both sides will be described as an example.

  FIG. 1 is a perspective view showing the outer appearance of a coin depositing / dispensing apparatus 100 according to an embodiment of the present invention. FIG. 2 is a perspective view of the internal structure of the coin depositing / dispensing apparatus 100 as seen obliquely from above.

  The coin depositing / dispensing apparatus 100 includes a depositing / dispensing portion 110A operable from one side (front surface) and a depositing / dispensing portion 110B operable from the other side (back surface). The depositing / dispensing unit 110A includes a coin depositing port 113A for depositing (discharging) coins, a banknote depositing / dispensing port 112A for depositing or dispensing a banknote, and a coin dispensing port 111A for dispensing a coin. Is included. Similarly, the deposit / withdrawal unit 110B has a coin deposit port 113B for depositing coins, a banknote deposit / withdrawal port (not shown) for depositing / dispensing banknotes, and a coin dispenser for dispensing coins. It includes a gold mouth 111B. The coin dispensing port 111A is arranged at one end of a coin transporting unit 130 provided below the coin depositing / dispensing device 100, and the coin dispensing port 111B is disposed at the other end of the coin transporting unit 130.

  As shown in FIG. 2, above the inside of the coin depositing / dispensing apparatus 100, a coin collecting unit 101, depositing coin transport units 102A and 102B, a transport path switching mechanism 103, and a coin storing unit 104 are provided. There is. As shown in FIG. 3, the coin storage unit 104 is provided with a plurality of coin storage cassettes 10 according to the denominations of coins. For example, the coin storage cassette 10 provided at the left end of FIG. 3 stores 100 yen and 500 yen coins, and the coin storage cassette 10 provided at the center of FIG. 3 stores 10 yen and 50 yen coins. The coin storage cassette 10 provided at the right end of FIG. 3 stores 1-yen and 5-yen coins.

  The coins deposited from the coin deposit port 113A and the coins deposited from the coin deposit port 113B are collected in the coin collection unit 101. The coins collected in the coin collection unit 101 are identified by a coin identification unit (not shown) and are stored in the corresponding coin storage cassette 10. The bottom of each coin storage cassette 10 is provided with a discharge port for discharging the stored coins onto a conveyor belt (not shown).

  The coin discriminating unit discriminates the denomination from a known method, for example, the size (including thickness), weight, material, and photographed image of the coin, and transmits a coin discriminating signal to the control unit 1 (see FIG. 6). Further, the bill identifying unit (not shown) identifies a denomination from a known method, for example, a bill printing pattern (including a watermark), a printing ink material, vertical and horizontal dimensions, and the like, and sends a bill identifying signal to the control unit 1. Send.

  The control unit 1 receives the coin identification signal from the coin identification unit, and transmits a conveyance instruction signal for conveying coins to a predetermined coin storage cassette 10 to the conveyance path switching mechanism 103 according to the coin identification signal.

  For example, when the control unit 1 receives a coin identification signal of a 100-yen coin from the coin identification unit, the control unit 1 sends a transfer instruction signal for carrying a coin to the coin storage cassette 10 for 100-yen coins to the transfer path switching mechanism 103. As a result, the 100-yen coins that are carried on the carrying path leading to the carrying-path switching mechanism 103 are dropped and stored in the coin storage cassette 10 for 100-yen coins.

  The control unit 1 also transmits a drive command signal to a drive unit (a drive motor 14 described later) of a predetermined coin storage cassette 10 when change is required. Specifically, the control unit 1 counts the number of coins whose denominations are identified by the coin identifying unit to calculate the total amount of money, and receives the commodity price information from the outside to determine the total amount and the commodity price. The change included in the information is compared to determine whether change is required. When the change is required, the control unit 1 sends a drive command signal to the drive unit of the coin storage cassette 10 corresponding to the change. The coin M as the change is discharged from the coin storage cassette 10 to the coin transport unit 130 by driving the driving unit in response to the drive command signal.

  The coin transport unit 130 transports the coin M discharged from the coin storage cassette 10 to the coin dispensing ports 111A and 111B and dispenses the coin. The coin transport unit 130 is configured to be capable of switching the transport direction of the coin M between the A direction and the B direction. For example, the coin transport unit 130 transports the coin M in the A direction and dispenses the coin M to the coin dispensing port 111A. Further, the coin transport unit 130 transports the coin M in the B direction and dispenses the coin M to the coin dispensing port 111B. The coin transport unit 130 transports the coin M in the A direction based on the command signal from the control unit 1 when, for example, the deposit / withdrawal unit 110A receives an operation (deposit or the like) from the user, the coin dispenser 130 dispenses coins. Withdraw money to mouth 111A. On the other hand, the coin transport unit 130 transports the coin M in the B direction based on the command signal of the control unit 1 when, for example, the deposit / withdrawal unit 110B receives an operation (deposit or the like) from the user, the coin dispenser 130 dispenses coins. Withdraw to mouth 111B.

  Next, a specific configuration of the coin storage cassette 10 will be described. FIG. 4 is a perspective view showing the configuration of one coin storage cassette 10, and FIG. 5 is a perspective view of the coin storage cassette 10 seen from below. Here, FIGS. 4 and 5 show, as an example, a coin storage cassette 10 that stores coins of 10 yen and 50 yen.

  Further, FIG. 6 shows functional blocks of the control unit 1 of the coin depositing / dispensing apparatus 100. The control unit 1 includes processing units such as a time acquisition unit 2, a coin number acquisition unit 3, a determination processing unit 4, a coin detection unit 5, an arithmetic processing unit 6, and a motor control unit 7. The coin storage cassette 10 stores and discharges the coin M based on the command signal from the control unit 1.

  As shown in FIG. 4, the coin storage cassette 10 includes a first storage portion 11a that randomly stores coins of the same denomination (for example, 10-yen coins) and horizontal coins of the same denomination (for example, 50-yen coins). It is provided with a second storage portion 11b that is vertically stacked and stored. The second storage portion 11b is formed, for example, in a cylindrical shape (tube shape), and has an inner diameter (internal area) slightly larger than the diameter of the coin. A discharge port 11c (opening) is provided on the bottom surface of the second storage unit 11b, and coins stored in the second storage unit 11b are discharged one by one from the discharge port 11c. The 2nd storage part 11b is an example of the coin storage part of the present invention.

  FIG. 7 is a schematic diagram showing an internal configuration of the coin storage cassette 10. Below the coin storage cassette 10, a rotary disk 12 is provided so as to face the bottom surface of the second storage portion 11b. On the upper surface of the rotary disk 12, a cylindrical push pin 13 (projection) that rises upward (vertical direction) from the upper surface of the rotary disk 12 is provided. The rotating disk 12 is driven by the drive motor 14 based on a command signal from the motor control unit 7 to pass through a plurality of gears that have a gear shifting function and rotate in a predetermined direction around a vertical rotation axis (shown in FIG. 7). It is driven to rotate in the R1 direction). The rotating disk 12 is an example of the rotating body of the present invention. The push-out pin 13 rotates in the R1 direction according to the rotational drive of the rotary disk 12. An optical sensor 15 is provided on the lower side of the second storage portion 11b. For example, the light 15a (light beam) emitted from the optical sensor 15 (light emitting sensor) arranged on the lower side is received by the optical sensor 15 (light receiving sensor) arranged on the upper side. The optical sensor 15 detects that the coin M is discharged from the second storage portion 11b by blocking the light 15a by the coin M.

  Next, a mechanism of ejecting the coin M from the second storage portion 11b will be described with reference to FIGS. 8 to 10.

  FIG. 8A shows a state in which coins M are stored in the second storage portion 11b. FIG. 8B shows a state in which the second storage portion 11b is viewed from above. In this state, when the coin M is discharged from the second storage unit 11b in response to the coin M payout request, the drive motor 14 is driven based on the drive command signal from the motor control unit 7. As a result, the rotary disk 12 rotates in the R1 direction, and accordingly, the push pin 13 rotates in the R1 direction. The push-out pin 13 contacts the coin M at the lowest position among the plurality of coins M stored in the second storage portion 11b, and pushes the coin M from the discharge port 11c of the second storage portion 11b in the D1 direction.

  When the push-out pin 13 further rotates in the R1 direction from the state shown in FIGS. 8A and 8B, the coin M is further pushed in the D1 direction from the discharge port 11c of the second storage portion 11b, as shown in FIGS. 9A and 9B. The coin M blocks the light 15a of the optical sensor 15. That is, the optical sensor 15 changes from the light transmitting state to the light shielding state. When the light 15a is shielded, the optical sensor 15 transmits a detection signal (for example, an ON signal) to the control unit 1 as detecting the coin M.

  When the push-out pin 13 further rotates in the R1 direction from the state shown in FIG. 9A and FIG. 9B, the coin M is discharged from the discharge port 11c of the second storage portion 11b and is moved downward (D2 direction) as shown in FIGS. 10A and 10B. ) To fall. At this time, the light 15a of the optical sensor 15 is received by the optical sensor 15 on the light receiving side. That is, the optical sensor 15 changes from the light blocking state to the light transmitting state. When the light 15a is transmitted, the optical sensor 15 transmits a detection signal (for example, an OFF signal) to the control unit 1 as the coin M has passed. The coin detection unit 5 determines that the coin M is discharged from the second storage unit 11b based on the detection signals (ON signal and OFF signal) received from the optical sensor 15. The coin M discharged from the second storage portion 11b is discharged onto the conveyor belt and is dispensed from the coin dispensing port 111A.

  Here, the optical sensor 15 may detect that the coin M is discharged when the coin M is pushed out by the push-out pin 13 and moves to block and transmit the light 15a, or the coin is stored. When a component (not shown) included in the cassette 10 operates according to the movement of the coin M to block and transmit the light 15a, it may be detected that the coin M is discharged. The optical sensor 15 is an example of the coin detecting unit of the present invention.

  In this way, when the rotary disc 12 and the push-out pin 13 make one rotation (one revolution) in the R1 direction, the push-out pin 13 provided on the upper surface of the rotary disc 12 causes the coin M stored in the second storage portion 11b to rotate. According to the rotation operation of 12, the second storage unit 11b is pushed out from the discharge port 11c and discharged. Accordingly, the coins M stored in the second storage portion 11b are discharged from the second storage portion 11b one by one from the coin M at the lowest position. The push-out pin 13 is an example of the push-out portion of the present invention.

  The coin depositing / dispensing apparatus 100 may be configured such that the rotating disk 12 is rotatable in the direction opposite to the R1 direction. For example, when the rotary disk 12 rotates in the reverse direction, the coin M (here, a 10-yen coin) stored in the first storage portion 11a of the coin storage cassette 10 is discharged.

  Here, when the position of the push-out pin 13 when the rotating disk 12 is stopped is different from the original position, the following problems may occur. For example, when no coin M is stored in the second storage portion 11b, the push-out pin 13 is located inside the second storage portion 11b when the second storage portion 11b is viewed from above (in the inner area). It is possible to stop them so that they overlap. In this case, when the coins M are stored (deposited) in the second storage portion 11b, the coins M ride on the push-out pins 13 and are diagonally stacked in the second storage portion 11b as shown in FIG. 11A. Become.

  After that, when the rotary disk 12 rotates due to the request for paying out the coin M, the pushing pin 13 rotates, the coin M at the lowermost position of the second storage portion 11b moves to the discharge port 11c, and as shown in FIG. 11B, The inclined coin M interferes with the end of the discharge port 11c and is fixed in a hooked state. In this case, the push-out pin 13 cannot rotate any more, the drive motor 14 driving the rotary disk 12 is locked, and an error occurs.

  Conventionally, in the initial setting, the push-out pin 13 is manually set so as to stop at the position when the coin M is completely discharged. Further, the drive time of the drive motor 14 is set in advance so that the push pin 13 revolves from the position. However, since each coin depositing / dispensing apparatus 100 has different operation variations and load states of the drive motor 14, the rotating disk 12, the gear, and the like, the stop position of the push pin 13 shifts while the push pin 13 repeatedly revolves, It is conceivable that the error may occur due to the stop in the inner area of the second storage portion 11b.

  On the other hand, the coin depositing / dispensing apparatus 100 according to the embodiment of the present invention has a configuration for preventing the occurrence of the error by stopping the push-out pin 13 at an appropriate position based on the detection signal of the optical sensor 15. ing. Hereinafter, a configuration for stopping the push-out pin 13 at an appropriate position will be specifically described.

  12A and 12B are views of the second storage portion 11b as viewed from above. FIG. 12A shows a state where the push pin 13 is moved from the position P1 to the position P2 by rotating the rotary disk 12 in the R1 direction. The position P1 indicates the position immediately before the push-out pin 13 enters the internal area of the second storage portion 11b when viewed from above, and the position P2 indicates the position immediately after the push-out pin 13 exits the internal area of the second storage portion 11b. The position is shown. The angle θt represents the angle formed by the positions P1 and P2, that is, the angle at which the push pin 13 passes through the internal region of the second storage portion 11b.

  In FIG. 12B, the position P3 indicates the position when the coin M starts to shield the light 15a of the optical sensor 15 (at the start of light shielding). The position P4 indicates the position when the coin M no longer blocks the light 15a of the optical sensor 15 (when the light blocking ends), that is, when the light 15a starts to transmit light (when the light transmission starts). The angle θs indicates the angle formed by the positions P3 and P4, that is, the angle at which the coin M passes the light 15a of the optical sensor 15. The angle θd1 indicates the angle formed by the positions P1 and P3, and the angle θd2 indicates the angle formed by the positions P2 and P4.

  FIG. 13 is a timing chart for calculating the stop position of the push pin 13. The time Tc in FIG. 13 indicates the time required for the rotating disk 12 to make one rotation (one rotation) (hereinafter referred to as the rotation time Tc). In other words, the rotation time Tc indicates the drive time of the drive motor 14 required to rotate the rotary disk 12 once. The rotation time Tc is an example of the rotation time of the present invention.

  FIG. 13A is a timing chart showing a drive signal (power supply) for driving the drive motor 14. Here, the Hi state (high level) indicates the power supply state. FIG. 13B is a timing chart showing whether or not the light 15a of the optical sensor 15 is shielded by the coin M. Here, the state in which the light 15a of the optical sensor 15 is shielded by the coin M (shielded state) is shown as a Hi state (high level), and the state in which the light 15a is not shielded by the coin M (transparent state) is shown. Is shown as a low state (low level). FIG. 13C is a timing chart showing whether or not the push-out pin 13 is present in the internal area of the second storage portion 11b. Here, the Hi state (high level) indicates that the push-out pin 13 exists in the internal region of the second storage portion 11b. FIG. 13D is a timing chart showing the normal position range of the push pin 13. Here, the period from time T1 to T3 shows a normal position range in which the above error does not occur.

  For example, when the drive motor 14 starts driving in response to a request to dispense coins M, the rotary disk 12 rotates, and accordingly, the pushing pin 13 starts moving in the R1 direction.

  First, the push-out pin 13 enters the internal area of the second storage portion 11b (see position P1 in FIG. 12A), and the time Tθt shown in (c) of FIG. 13 is started.

  After that, when the coin M is stored in the second storage portion 11b, the pushing pin 13 moves the coin M, and the time Tθd1 corresponding to the angle θd1 formed by the positions P1 and P3 in FIG. 12B, that is, the pushing pin 13 When the time Tθd1 required to move the angle θd1 elapses, the coin M pushed out from the second storage portion 11b blocks the light 15a of the optical sensor 15. As a result, the time Tθs is started.

  After that, when the push-out pin 13 reaches the position P2 (see FIG. 12A) and exits from the internal area of the second storage portion 11b, the time Tθt ends.

  After that, when the pushing pin 13 moves the coin M further and the time Tθd2 corresponding to the angle θd2 formed by the position P2 to the position P4 in FIG. 12B, that is, the time Tθd2 required for the pushing pin 13 to move the angle θd2 elapses. The coin M pushed out from the second storage portion 11b passes the light 15a of the optical sensor 15. As a result, the time Tθs ends and one coin M is discharged.

  Then, in order to discharge the next coin M, the push-out pin 13 rotates again in the R1 direction, enters the internal area of the second storage portion 11b, and the time Tθt is started.

  Here, the rotation time Tc (driving time of the drive motor 14) required for the rotating disk 12 and the pushing pin 13 to make one rotation is calculated based on the detection timing of the coin M by the optical sensor 15. Specifically, the arithmetic processing unit 6 calculates the rotation time Tc by measuring the time (detection timing) when the optical sensor 15 changes from the light blocking state to the light transmitting state. For example, the control unit 1 causes the optical sensor 15 to detect that the second coin M has passed the light 15a from the detection timing detected by the optical sensor 15 when the first coin M has passed the light 15a. The time required until the detected detection timing is calculated as the rotation time Tc (see (b) of FIG. 13). The rotation time Tc is the same as the period from the falling timing of the time Tθt to the falling timing of the next time Tθt (see (c) of FIG. 13).

  By calculating the rotation time Tc as described above, the position P1 immediately before the push-out pin 13 enters the internal area of the second storage part 11b and the position P1 immediately after leaving the internal area of the second storage part 11b. P2 and can be calculated. Further, by calculating the positions P1 and P2, the angle θt is calculated.

  Specifically, the arithmetic processing unit 6 calculates the time Tθt required for the push-out pin 13 to rotate by the angle θt according to the formula Tθt = (θt × Tc) / 2π.

  Further, the arithmetic processing unit 6 calculates the time Tθs required for the push-out pin 13 to rotate by the angle θs according to the formula Tθt = (θs × Tc) / 2π.

  Further, the arithmetic processing unit 6 calculates the time Tθd1 required for the push-out pin 13 to rotate by the angle θd1 by the formula Tθd1 = (θd1 × Tc) / 2π.

  Further, the arithmetic processing unit 6 calculates the time Tθd2 required for the push-out pin 13 to rotate by the angle θd2 by the formula Tθd2 = (θd2 × Tc) / 2π.

  In this way, the arithmetic processing unit 6 calculates the times Tθt, Tθs, Tθd1, and Tθd2 shown in FIG. 13 based on the rotation time Tc calculated from the detection timing of the optical sensor 15. The arithmetic processing unit 6 is an example of the calculation unit of the present invention.

  Here, the periods T1 to T3 shown in (d) of FIG. 13 show the stop sections of the extrusion pin 13 in which the occurrence of the error can be suppressed, but the times Tθs, Tθd1 and Tθd2 are calculated from the design values. Therefore, an error may be included in the actual coin depositing / dispensing apparatus 100. Therefore, it is preferable to set the stop position of the push-out pin 13 to the intermediate position T2 of the periods T1 to T3.

Therefore, the arithmetic processing unit 6 detects, based on the rotation time Tc, the time from when the coin M passes through the optical sensor 15 to when the rotating disk 12 is stopped, that is, the fact that the coin M is discharged by the optical sensor 15. The time Tm from when the rotating disk 12 is stopped until the rotating disk 12 is stopped (hereinafter referred to as the drive motor stop time Tm) is calculated by the following formula. The drive motor stop time Tm is an example of the drive stop time of the present invention.
Tm = (Tc−Tθt) ÷ 2−Tθd2

  The motor control unit 7 stops the drive of the drive motor 14 after the coin M passes the optical sensor 15 and after the drive motor stop time Tm calculated by the above equation has elapsed. As a result, the push pin 13 can be stopped at an intermediate position in the stop section of the push pin 13 in which the occurrence of the error can be suppressed.

  In this way, the motor control unit 7 sets the rotating disk 12 based on the rotation time Tc so that the push pin 13 stops at a position where it does not overlap the second storage unit 11b when viewed from above the second storage unit 11b. Stop. In addition, the motor control unit 7 causes the push-out pin 13 to move from the timing when the push-out pin 13 overlapping the storage area of the second storage unit 11b does not overlap the storage area due to the rotational drive when viewed from above the second storage unit 11b. The rotary disk 12 is stopped so that the push pin 13 is stopped at a position corresponding to the intermediate position T2 of the periods T1 to T3 until the timing of overlapping with the storage area by rotational driving. The motor controller 7 is an example of the drive controller of the present invention.

  14, 15 and 16 are flowcharts showing an example of the payout process of the coin M. The flowcharts shown in FIGS. 14 and 15 show the flow of processing for discharging (withdrawing) coins M of one denomination by the designated number. A payout processing program (coin payout control firmware) for executing the payout processing is stored in, for example, the storage unit 8. The control unit 1 has control devices such as a CPU, a ROM, and a RAM. The CPU is a processor that executes various arithmetic processes, and the control unit 1 functions as various processing units shown in FIG. 6 by executing various processes according to the payout processing program in the CPU.

  In step S101, the control unit 1 (time acquisition unit 2) of the coin depositing / dispensing apparatus 100 stores, from the storage unit 8, the rotation time Tc that is the time required for the rotating disk 12 to rotate once, and the coin M is the optical sensor 15. Then, the drive motor stop time Tm, which is the time from when the rotating disk 12 is stopped to when the rotating disk 12 is stopped, is read out. As the rotation time Tc and the drive motor stop time Tm, default values are written in the storage unit 8 in the initial state of the coin depositing / dispensing apparatus 100. For example, in an operation such as an operation confirmation inspection before shipping, the rotation time Tc and the drive motor stop time Tm corresponding to each coin depositing / dispensing apparatus 100 are calculated, and the calculated time is written in the storage unit 8 as a default value. (See step S205 in FIG. 16).

  Next, in step S102, the control unit 1 (coin number acquisition unit 3) reads out the number of stored coins M stored in the coin depositing / dispensing apparatus 100, which is managed by the storage unit 8.

  Next, in step S103, the control unit 1 reads the required number of coins M to be dispensed, which is managed by the storage unit 8.

  Next, in step S104, the control unit 1 (determination processing unit 4) compares the remaining number of coins with the requested withdrawal number. When the number of stored money is less than the required number of withdrawal (S104: NO), the control unit 1 notifies an error indicating that the withdrawal is not possible (S105) and stops the withdrawal process. When the number of stored money is equal to or larger than the required number of withdrawal (S104: YES), the control unit 1 sets the required number of withdrawal to the withdrawal required number (S106).

  Next, the control unit 1 (coin detection unit 5) starts the rotation driving of the drive motor 14 (S107), and the coin M blocks the light 15a of the optical sensor 15 (the optical sensor 15 is ON), and then the light 15a. It is detected that the light is transmitted (the optical sensor 15 is turned on) (S108, S109).

  The fact that the light 15a of the optical sensor 15 is blocked and then changed to the transmissive state means that the coin M has been dispensed (discharged). Therefore, the control unit 1 subsequently determines that the variable number of dispensed sheets is used. The value is decreased by 1 (S110).

  Next, when the number of dispensed money is less than one (0) (S111: NO), the rotation time Tc cannot be calculated in the processing of this dispense request, and thus the drive motor read in step S101 is stopped. After the time Tm has elapsed, the control unit 1 (motor control unit 7) stops the drive motor 14 to stop the rotational drive of the rotary disk 12 (S119), and stops the dispensing operation.

  When the number of dispensed coins is one or more (S111: YES), the control unit 1 resets the timer 9 to “0” in step S112, and then starts the measurement of the timer 9.

  Next, in step S113, the control unit 1 (coin detection unit 5) blocks the light 15a of the optical sensor 15 by the coin M to be dispensed next (the optical sensor 15 is turned on), and then the light 15a is in the transmissive state ( It is detected that the optical sensor 15 is turned on (S113, S114).

  The fact that the light 15a of the optical sensor 15 is blocked and then changed to the translucent state means that the coin M has been dispensed (discharged). Therefore, the control unit 1 subsequently determines the value of the number of dispensed coins. Decrement by one (S115).

  Next, in step S116, the control unit 1 acquires the time measured by the timer 9.

  Next, in step S117, the control unit 1 (arithmetic processing unit 6) performs arithmetic processing for calculating the rotation time Tc and the drive motor stop time Tm required for the rotating disk 12 and the pushing pin 13 to make one rotation. Also, a registration process of registering the calculated value in the storage unit 8 is executed.

  FIG. 16 is a flowchart showing an example of a subroutine corresponding to the arithmetic processing and the registration processing.

  First, in step S201, the control unit 1 (arithmetic processing unit 6) uses the time acquired in step S116 for the rotation time Tc (rotation time of the drive motor 14) required for the rotating disk 12 and the push-out pin 13 to rotate once. To copy.

  Next, in steps S202 and S203, the control unit 1 (arithmetic processing unit 6) calculates the time Tθt, from the value of the rotation time Tc based on the angles θt, θd2, and θs previously determined as design values by the above formula. Calculate Tθd2.

  Next, in step S204, the control unit 1 (arithmetic processing unit 6) calculates the drive motor stop time Tm by the above formula based on the rotation time Tc and the times Tθt and Tθd2.

  Next, in step S205, the control unit 1 (arithmetic processing unit 6) writes and updates the calculated values of the rotation time Tc and the drive motor stop time Tm in the storage area of the storage unit 8 read in step S101. Then, the processing of the subroutine ends.

  When the process of step S117 ends, the control unit 1 (coin number acquisition unit 3) confirms the number of dispensed money, and if the number of dispensed money is one or more (S118: YES), the process proceeds to step S112. .

  When the number of dispensed money is less than 1 (0) (S118: NO), the controller 1 (motor controller 7) operates the drive motor 14 after the drive motor stop time Tm calculated in step S117 has elapsed. The payout process is stopped (S119).

  Here, in the processing of the subroutine of step S117, the drive motor stop time Tm is calculated based on the rotation time Tc calculated by the immediately preceding rotary drive, but the method of calculating the drive motor stop time Tm is not limited to this. . For example, the arithmetic processing unit 6 may calculate the drive motor stop time Tm based on the plurality of rotation times Tc calculated in the past. Specifically, the arithmetic processing unit 6 may calculate the average value of the plurality of rotation times Tc calculated in the past as the drive motor stop time Tm.

  In addition, an average value of the drive motor stop time Tm and the rotation time Tc obtained during one withdrawal transaction is taken, and the average value is stored in the storage unit 8 as the drive motor stop time Tm and the rotation time Tc. You may register. Further, for example, the drive motor stop time Tm and the rotation time Tc for the last N times may be held, and the average value for the N times may be registered in the storage unit 8 as the drive motor stop time Tm and the rotation time Tc. As a result, the drive motor stop time Tm and the rotation time Tc can be acquired as more stable values.

  The coin depositing / dispensing apparatus 100 controls the stop of the drive motor 14 after discharging the coin M, based on the drive motor stop time Tm obtained by the above-described processing. When the coin M does not exist in the second storage portion 11b, the coin depositing / dispensing apparatus 100 controls the stop of the drive motor 14 based on the rotation time Tc obtained by the above process. As a result, even if variations in the operation of the drive motor 14 and load conditions such as the rotating disk 12 and gears change due to changes over time, the position of the push-out pin 13 can be maintained at an appropriate position according to the change. It is possible to prevent the above error from occurring. That is, when the coin depositing / dispensing apparatus 100 is continuously used, the rotation time Tc required for the rotating disk 12 to make one rotation depends on variations in the operation of the drive motor 14, changes in the load state of the rotating disk 12, gears, and the like. May fluctuate. Even in this case, according to the above configuration, since the drive motor stop time Tm is calculated according to the rotation time Tc, the position of the push pin 13 can always be stopped at the optimum position.

  As described above, according to the coin depositing / dispensing apparatus 100 according to the embodiment of the present invention, the driving motor stop time Tm is dynamically changed by executing the calculation process each time the coin M is discharged from the second storage portion 11b. Since the calculation is performed in (real time), the position of the push pin 13 can be stopped at the optimum position. Therefore, since it is not necessary to have the conventional configuration in which the drive motor 14 is rotated in the reverse direction when the ejection failure of the coin M occurs, the configuration of the coin depositing / dispensing apparatus 100 can be simplified. Further, since it is not necessary to separately add a mechanism for preventing defective ejection of the coin M, it is possible to prevent the coin depositing / dispensing apparatus 100 from increasing in size and further reduce the size thereof. Further, in the coin depositing / dispensing apparatus 100, since the stop control of the rotating disk 12 can be performed using the detection result of the optical sensor 15 that detects the discharge of the coin M, the cost does not increase. Further, since the position of the push-out pin 13 can be stopped at the optimum position for each coin depositing / dispensing apparatus 100, it is not necessary to individually set the drive motor stop time Tm for each coin depositing / dispensing apparatus 100.

1: control unit 2: time acquisition unit 3: coin number acquisition unit 4: determination processing unit 5: coin detection unit 6: arithmetic processing unit 7: motor control unit 8: storage unit 9: timer 10: coin storage cassette 11a: first 1 storage part 11b: 2nd storage part 11c: discharge port 12: rotating disk 13: push-out pin 14: drive motor 15: optical sensor 15a: light 100: coin depositing / dispensing device M: coin Tc: rotation time Tm: drive motor stop time

Claims (6)

A coin storage part for stacking and storing coins in a vertical direction,
A rotating body that is disposed so as to face the bottom surface of the coin storage portion and that is rotationally driven around the vertical rotation axis,
A pusher provided on the upper surface of the rotating body, which pushes out the coin stored in the coin storing portion from an opening provided on the bottom surface of the coin storing portion according to the rotational drive of the rotating body and discharges the coin.
A coin detection unit that detects that the coin has been discharged from the opening of the coin storage unit,
A calculating unit that calculates a rotation time required for the rotating body to make one rotation based on a detection timing at which the coin detecting unit detects that the coin has been discharged;
A drive control unit that stops the rotating body at a predetermined position based on the rotation time calculated by the calculation unit;
A coin dispensing device. The drive control unit stops the rotating body so that the push-out unit stops at a position where it does not overlap with the coin storage unit when viewed from above the coin storage unit,
The coin dispensing device according to claim 1. The drive control unit is configured such that when the push-out unit that overlaps the storage region of the coin storage unit when viewed from above the coin storage unit does not overlap the storage region by the rotation drive, the push-out unit is rotated by the rotation drive. The rotating body is stopped so that the pushing unit stops at a position corresponding to an intermediate position of a period until the timing of overlapping with the storage area.
The coin dispensing device according to claim 2. The calculation unit calculates, based on the rotation time, a drive stop time indicating a time from when the coin detection unit detects that the coin has been discharged until the rotor is stopped,
The coin dispensing device according to any one of claims 1 to 3. The drive control unit stops the rotating body after the drive stop time has elapsed after the coin detection unit detects that the coins have been discharged,
The coin dispensing device according to claim 4. The calculation unit calculates the drive stop time based on one or a plurality of rotation times calculated in the past,
The coin dispensing device according to claim 4 or claim 5.