JPH10340364A - Paper money kind housing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To lower a price, to reduce the handling time of the adjustment of a slice level and to prevent malfunctions resulted from a diffused external light by supplying a voltage corresponding to an internal power supply voltage on an automatic machine side generated in a power feeding part to a light receiving circuit. SOLUTION: The voltage supplied from an internal power supply 21a used inside the automatic machine side is generated in the power feeding part 11a of this paper money kind housing device for housing paper money kinds attachable and detachable to/from an automatic machine for performing the money receiving processing and money pacing processing of the paper money kinds, optical signals from the automatic machine side are received in the light receiving circuit 10 and the voltage corresponding to the voltage of the internal power supply 21a on the automatic machine side generated in the power feeding part 11a is supplied to the light receiving circuit 10. Thus, even if the voltage of the internal power supply 21a on the automatic machine side is lower than normal and a light emission amount on a transmission side is little, a threshold on the side of the light receiving circuit 10 is automatically lowered and a stable communication operation is made possible. Also, the power feeding part 11a is supplied with power by electromagnetic coupling from the automatic machine side. Thus, contact defect generation by a contact point or the like is prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intelligent banknote storage device, and more particularly to a banknote or a currency (referred to as a banknote) as a medium, which performs at least one of a deposit process and a deposit process of the medium. The present invention relates to a bill storage device that is detachable from an automatic machine such as an automatic transaction device (ATM) and stores bills.

[0002]

2. Description of the Related Art Conventionally, an infrared communication system has been used as a method of communicating with an automatic machine side of an intelligent bill storage device. Hereinafter, a conventional example will be described with reference to FIGS.

FIG. 5 is an explanatory diagram (1) of a conventional communication circuit. In FIG. 5, the bill storage device side (cassette side)
Is provided with a coil 11, a DC / DC converter 12, an amplifier unit 13, a light receiving element 14, resistors 15, 16, 17 and an inverter 19. On the automatic machine side, a coil 21, a converter 22, a light emitting element 23, a transistor 24, and resistors 25 and 26 are provided.

[0004] The coil 11 receives AC power from the coil 21 of the automatic machine and converts it into DC. DC
The / DC converter 12 converts a direct current from the coil 11 into a direct current voltage Ec used on the bill storage device side. The amplifier 13 amplifies the signal from the light receiving element 14. The light receiving element 14 converts an optical signal from the light emitting element 23 on the automatic machine side into an electric signal. The resistor 15 supplies power to the light receiving element 14.
The resistor 16 is an input resistor of the amplifier unit 13. Resistance 17
Is a feedback resistor of the amplifier unit 13. The amplifier 1
3. An amplifier circuit is composed of the resistors 16 and 17. The inverter 19 inverts the polarity of the signal input from the amplifier unit 13 and outputs the inverted signal.

[0005] The coil 21 supplies AC power to the coil 11 on the bill storage device side. Converter 22
Converts DC voltage + E into AC voltage. The light emitting element 23 is an infrared light emitting diode or the like, and transmits an optical signal to the light receiving element 14 on the bill storage device side. The transistor 24 drives the light emitting element 23. The resistor 25 supplies power to the transistor 24. The resistor 26 transmits the communication signal to the transistor 2
4 is the input resistance to be input.

In the configuration of FIG. 5, it is assumed that the light emission signal of the light emitting element 23 on the automatic machine side is a base band transmission including a direct current to a high frequency band, and is of the NRZ (non-return to zero) type. The signal (a) emitted from the light emitting element 23 is
The light enters the light receiving element 14 of the bill storage device and is input to the amplifier circuit. As the power supply voltage of this amplifier circuit, a voltage stabilized by the DC / DC converter 12 is supplied, and the threshold (threshold voltage) of the amplifier circuit is set to a predetermined value for the input signal. Has become.

FIG. 6 is an explanatory diagram (1) using waveforms of a conventional example. For example, as shown in FIG. 6, when the power supply voltage + E on the light emitting side (automatic machine side) decreases between times t1 and t2, the input signal of the amplifier circuit becomes small, and the threshold of the amplifier circuit is divided. (Time t1 to t2)
The output did not change and communication was disabled.

In order to cope with such a minute input signal, there is a circuit as shown in FIG. FIG. 7 is an explanatory diagram (2) of a conventional communication circuit. 7, the same components as those in FIG. 5 are denoted by the same reference numerals. In FIG. 7, a multiplexer (MPX) 2 is provided on the bill storage device side.
0, and resistors R1, R2, R3, R4, and R5.

A multiplexer (MPX) 20 is a reference (reference) voltage VRF of an amplifier circuit corresponding to a voltage input from the coil 11 to the DC / DC converter 12.
Is output. The resistors R1 and R2 are connected to the coil 11
Is divided into the voltage input to the DC / DC converter 12 and input to the multiplexer 20. Resistance R
3, R4 and R5 divide the output voltage + Ec of the DC / DC converter 12 and supply it to the multiplexer 20.

FIG. 8 is an explanatory diagram (2) based on waveforms of a conventional example. For example, as shown in FIG. 8, when the power supply voltage + E on the light emitting side (automatic machine side) decreases between times t1 and t2, this voltage drop is detected by the multiplexer 20 at the connection point between the resistors R1 and R2, and this multiplexer Reference numeral 20 supplies a reference voltage (variable voltage) VRF corresponding to the voltage drop of the power supply voltage + E to the amplifier circuit. For this reason, the slice level (threshold) of the amplifier circuit changes according to the power supply voltage + E on the automatic machine side, so that a small signal can always be handled.

[0011]

The above-mentioned conventional device has a complicated circuit and is expensive, and has a correlation with a voltage drop of the power supply voltage + E on the automatic machine side and a voltage dividing resistance value. It took time and effort to adjust the slice level such as fine adjustment.

The present invention solves such a conventional problem, and by using an external (automatic machine-side) power supply for the light receiving circuit, it is possible to reduce the cost of the conventional circuit and reduce the trouble of adjusting the slice level. It is another object of the present invention to prevent malfunction due to disturbance light even when the banknote storage device (cassette) is operated alone.

[0013]

FIG. 1 is a diagram illustrating the principle of the present invention. In FIG. 1, 10 is a light receiving circuit, 11a is a power supply unit,
12a is a DC / DC converter, 13a is an amplifier circuit,
14 is a light receiving element, 21a is an internal power supply, and 23a is a light emitting circuit.

The present invention is configured as follows to solve the above-mentioned conventional problems. (1): In a banknote storage device that is detachable from an automatic machine that performs at least one of a banknote depositing process and a banknote payout process and stores banknotes, an internal power supply 21a used inside the automatic machine side And a light receiving circuit 10 for receiving an optical signal from the automatic machine side, corresponding to the voltage of the internal power supply 21a on the automatic machine side generated by the power supply section 11a. The supplied voltage is supplied to the light receiving circuit 10.

(2) In the bill storage device of (1), power is supplied to the power supply section 11a from the automatic machine side by electromagnetic coupling. (3): In the bill storage device of (1) or (2), the supply of electric power to the light receiving circuit 10 is performed by the power supply unit 1.
This is performed only from 1a.

(Operation) The operation based on the above configuration will be described. In a banknote storage device that is detachable from an automatic machine that performs at least one of a banknote depositing process and a banknote paying process and stores banknotes, an internal power supply 21a used inside the automatic machine by a power supply unit 11a. , A light receiving circuit 10 receives an optical signal from the automatic machine side, and receives a voltage corresponding to the voltage of the internal power supply 21a on the automatic machine side generated by the power supply unit 11a. Circuit 10
To supply. For this reason, even when the voltage of the internal power supply 21a on the automatic machine side is lower than normal and the light emission amount on the transmission side is small, the threshold on the light receiving circuit 10 side is automatically lowered, and stable communication operation is possible.

Further, the power supply unit 1 of the bill storage device.
1a is supplied with electric power from the automatic machine side by electromagnetic coupling. For this reason, electric power can be supplied from the automatic machine side in a non-contact manner, and contact failure due to a contact or the like can be prevented.

Further, power supply to the light receiving circuit 10 of the bill storage device is performed only from the power supply unit 11a. For this reason, when the power supply unit 11a is turned off, such as when the banknote storage device is removed from the automatic machine, reception cannot be performed automatically, and a communication rejection function must be provided except when connected to the automatic machine. Can be.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A bill storage device which can be attached to and detached from an automatic machine is for replenishing or collecting bills and money of the automatic machine, and has an optical communication function having a light emitting element and a light receiving element. . 2 to 4 are views showing an embodiment of the present invention. Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

(1) Description of Communication Circuit FIG. 2 is an explanatory diagram of a communication circuit. In FIG. 2, a coil 11 and a DC / D are provided on the bill storage device side (cassette side).
A C converter 12, an amplifier unit 13, a light receiving element 14, resistors 15, 16, 17, 18 and an inverter 19 are provided. On the automatic machine side, a coil 21, a converter 22, a light emitting element 23, a transistor 24, and resistors 25 and 26 are provided. Note that GND is a ground on the automatic machine side, and GNDc is a ground on the banknote storage device side.

The coil 11 is a power supply unit that receives AC power from the coil 21 on the automatic machine side by electromagnetic coupling, converts the AC power into DC, and supplies power to the light receiving circuit and the DC / DC converter 12. The DC / DC converter 12 converts a DC voltage from the coil 11 into a stabilized DC voltage + Ec used on the bill storage device side. The amplifier unit 13 amplifies a signal from the light receiving element 14 and includes a coil 11
Is supplied with power. The light receiving element 14 converts an optical signal from the light emitting element 23 on the automatic machine side into an electric signal.

The resistor 15 supplies power from the coil 11 to the light receiving element 14. The resistor 16 is an input resistor of the amplifier unit 13. The resistor 17 is a feedback resistor of the amplifier unit 13. The resistor 18 is an output resistor of the amplifier unit 13. Note that an amplifier circuit (amplifier circuit) is configured by the amplifier section 13 and the resistors 16, 17, and 18, and a light receiving circuit is configured by the amplifier circuit, the resistor 15, and the light receiving element 14. The inverter 19 inverts the polarity of the signal input from the amplifier unit 13 and outputs the inverted signal.

The coil 21 supplies AC power to the coil 11 on the bill storage device side by electromagnetic coupling.
Converter 22 converts DC voltage + E into AC voltage. The light emitting element 23 is an infrared light emitting diode or the like, and transmits an optical signal to the light receiving element 14 on the bill storage device side. The transistor 24 drives the light emitting element 23. The resistor 25 supplies power to the transistor 24. The resistor 26 is an input resistor that inputs a communication signal to the transistor 24.

The bill storage device is provided with a light emitting element (not shown) for transmitting a signal to the automatic machine, and the light emitting element has a DC / DC converter 12.
(DC voltage + Ec).

(2) Description of Operation of Communication Circuit FIG. 3 is an explanatory diagram based on waveforms. Hereinafter, the operation of the communication circuit will be described with reference to FIGS.

In FIG. 2, the DC voltage + E on the automatic machine side is shown.
From the light emitting element 23 via the resistor 25 and the transistor 24.
And to a converter 22 that drives the coil 21. On the bill storage device side, the coil 1
In 1, the power received from the coil 21 is converted to DC. The output voltage of the coil 11 is supplied to the light receiving element 14 via the amplifier section 13 and the resistor 15 and is also supplied to the DC / DC converter 12 for converting the output voltage into a stabilized DC voltage + Ec.

The communication signal on the automatic machine side is transmitted to the light emitting element 23.
As a result, an infrared signal (a) is emitted. On the other hand, on the cassette side, an infrared signal (a) is received by the light receiving element 14, and an output (f) is obtained by the amplifier 13 and the inverter 19.

Here, the power supply voltage of the normal voltage supplied from the power supply unit to the optical communication module on the automatic machine side is set to E, and for some reason, the voltage of the power supply unit starts to decrease from time t1 in FIG. It is assumed that E / 2 has been reached. As a result, the output of the converter 22 is also halved, and the output of the coil 11 receiving power from the coil 21 is also halved.

As described above, when the power supply voltage on the automatic machine side is E / 2
As a result, the light emission of the light emitting element 23 is weakened and the light receiving signal of the light receiving element 14 is weakened. However, the voltage of E / 2 is applied from the coil 11 to the power supply of the amplifier unit 13 and the light receiving element 14, Since the maximum value of the signal is suppressed by the voltage from the coil 11, the threshold of the amplifier circuit is automatically lowered, and even when the signal voltage is low, the time t in FIG.
The output signal (f) can be taken out from 1 to time t2.

In the above embodiment, power is supplied from the automatic machine to the bill storage device via the converter 22, the coil 21, and the coil 11 (electromagnetic coupling). Can be directly supplied via a contact pin (contact) or the like.

The DC voltage + Ec (output of the DC / DC converter 12) used on the bill storage device side is backed up by a lithium battery, a NiCd secondary battery, or the like, so that the bills can be removed from the automatic machine. The operation of the storage device can be performed. That is, the bill storage device can be operated alone.

(3) Description of Cassette FIG. 4 is an explanatory diagram of the cassette. Here, the cassette indicates a bill storage device. In FIG. 4, a communication module 5 for communicating with the cassette 1 which is an intelligent banknote storage device is provided on the automatic machine 2 side. The communication module 5 includes a light emitting unit 53 and a light receiving unit 54 for optical communication, a DC / AC conversion unit 52 serving as an external power supply, and a coil 51.

On the cassette 1 side, a substrate 3 is provided below the cassette 1, a display section 41 is provided above the cassette 1, and a card reader 4 is provided.
2, a piezoelectric buzzer 43, an input unit 44, an electromagnetic lock magnet 45, a door lock detection unit 46, a key detection unit 47, and a set detection unit 48 are provided. The substrate 3 includes a power supply unit 31,
Communication unit 32, control unit 33, storage unit 34, timer unit 35,
An alarm unit 36 is provided.

The power supply section 31 includes a coil 311 for receiving power from the coil 51 on the automatic machine side, a boosting / smoothing circuit 312 for boosting / smoothing the received power, and a power supply for monitoring the power supply voltage of the power supply section 31. Voltage monitoring means 313 is provided. The communication unit 32 includes a light receiving unit 321 that receives an optical signal from the light emitting unit 53, a light emitting unit 322 that transmits an optical signal to the light receiving unit 54, and a circuit that drives the light emitting unit 322 and receives the optical signal at the light receiving unit 321. A driver / receiver circuit 323 is provided.

The control unit 33 includes a CPU (central processing unit).
331, a serial I / O 332 and a counter 333, which are functions that the CPU 331 can communicate with. Storage unit 3
4 is a RAM (random access memory) 341 for storing data and the like when the CPU 331 is operated,
A ROM (Read Only Memory) 342 for storing an operation program 331 and the like is provided. Timer section 35
Is for calendar operation of the cassette (for example, storing the date and time when the cassette is set in the automatic machine). The alarm section 36 notifies the outside of the cassette of an abnormality or the like using a light emitting diode (LED).

The display section 41 is a liquid crystal display section for displaying the processing and status of the cassette 1 and, for example, the alarm section 36.
The content of the abnormality notified by is displayed. The card reader 42 reads a card of a person (qualified person) who handles the cassette 1. The piezoelectric buzzer 43 notifies the state of the cassette 1 to the outside by sound. Input unit 4
Reference numeral 4 denotes a keyboard such as a 10-key for inputting data to the cassette 1.

The electromagnetic lock magnet 45 opens and closes the door of the cassette 1 by electromagnetic force. The door lock detecting unit 46 detects a locked state of the door of the cassette 1. The key detection unit 47 is for the CPU 331 to detect that a key has been inserted into the cassette 1. The set detecting section 48 detects that the cassette 1 has been set in an automatic machine, a cassette storage section, or the like.

The operation of the cassette 1 is as follows.
The communication unit 32 communicates with the automatic machine 2 and monitors the voltage of the power supply unit 31. Further, the control unit 33 includes a storage unit 34, a timer unit 35, and an alarm unit 3 via a bus line.
6, display unit 41, card reader 42, piezoelectric buzzer 4
3. The input unit 44, the electromagnetic lock magnet 45, the door lock detection unit 46, the key detection unit 47, and the set detection unit 48 are connected to control the entire cassette 1.

Although the power wiring from the power supply unit 31 is not shown, as described with reference to FIG. 2, the light receiving unit 321 has a voltage that is not stabilized from the coil 311, that is, a power supply (external power supply) on the automatic machine side. A voltage that changes according to the voltage is supplied,
The voltage stabilized by the boosting / smoothing unit 312 is supplied to other circuit units and the like.

As described above, since the voltage before stabilization received by electromagnetic coupling from the external power supply directly or externally is supplied to the light receiving circuit (the light receiving unit 321 such as the light receiving element and the amplifier circuit), the configuration is simple. When the cassette is removed from the automatic machine, the light receiving circuit is automatically turned off when the cassette is removed from the automatic machine. Therefore, when the cassette is operated alone, malfunction due to disturbance light can be prevented.

[0041]

As described above, the present invention has the following effects. (1): A power supply unit generates a voltage supplied from an internal power supply used inside the automatic machine, a light receiving circuit receives an optical signal from the automatic machine, and the power supply unit generates a voltage from the automatic machine. Since the voltage corresponding to the internal power supply voltage is supplied to the light receiving circuit, the threshold of the light receiving circuit side is automatically lowered even when the internal power supply voltage of the automatic machine is lower than normal and the light emission amount of the transmitting side is small, and it is stable. Communication operation can be performed.

(2): The power supply section of the bill storage device is supplied with power by electromagnetic coupling from the automatic machine side, so that power can be supplied from the automatic machine side in a non-contact manner, and contact failure due to a contact point or the like is prevented. it can.

(3): Since the power supply to the light receiving circuit of the banknote storage device is performed only from the power supply unit, when the power supply unit is turned off, such as when the banknote storage device is removed from the automatic machine, Reception cannot be performed automatically, and a communication rejection function can be provided except when connected to an automatic machine.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating the principle of the present invention.

FIG. 2 is an explanatory diagram of a communication circuit in an embodiment.

FIG. 3 is an explanatory diagram based on waveforms in the embodiment.

FIG. 4 is an explanatory diagram of a cassette according to the embodiment.

FIG. 5 is an explanatory diagram (1) of a conventional communication circuit.

FIG. 6 is an explanatory diagram (1) based on waveforms of a conventional example.

FIG. 7 is an explanatory diagram (2) of a communication circuit of a conventional example.

FIG. 8 is an explanatory diagram (2) based on waveforms in a conventional example.

[Explanation of symbols]

 Reference Signs List 10 light receiving circuit 11a power supply unit 12a DC / DC converter 13a amplifier circuit 14 light receiving element 21a internal power supply 23a light emitting circuit

Claims (3)

[Claims] 1. A bill storage device which is detachable from an automatic machine for performing at least one of a bill depositing process and a bill dispensing process and stores bills, wherein an internal power supply used inside the automatic machine. And a light receiving circuit for receiving an optical signal from the automatic machine side, wherein a voltage corresponding to the internal power supply voltage of the automatic machine side generated in the power supply section is provided. A bill storage device characterized in that it is supplied to a light receiving circuit. 2. The bill storage device according to claim 1, wherein the power supply unit is supplied with electric power from the automatic machine by electromagnetic coupling. 3. The bill storage device according to claim 1, wherein the power supply to the light receiving circuit is performed only from the power supply unit.