JP2001037961A - Power source device of pachinko machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shut off voltage higher than a rated voltage of an electric func tional part. SOLUTION: When a noise intrudes into a power source device 1, wrong action occurred in an internal circuit of the power source device 1, and voltage higher than desired value is output to a DC12 voltage output section 25 of the power source device 1, an over voltage protecting means comprising an over voltage detecting circuit 23, a relay control circuit 15 and a relay 7 opens a relay contacting point 7b to intercept power source system from the power source device to electric function parts to properly protect the control device connected to the DC12 voltage output section 25.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a power supply device for a pachinko machine.

[0002]

2. Description of the Related Art In a conventional pachinko machine, the installation environment in a pachinko parlor remains unfavorably electrically poor. It is, for example, an AC 24 volt (AC24) in an island power source 50 (island transformer) which is a power supply source for a pachinko machine.
V) voltage fluctuation, spike noise called line noise mixed into the power supply line, and static noise carried by the pachinko ball mixed into the signal line.

[0003]

However, the conventional power supply has a structure in which a desired output voltage is obtained by an internal circuit composed of composite parts such as transistors, diodes, capacitors, and resistors. When mixed into the power supply device, the internal circuit may malfunction and a voltage higher than a desired value may be output. If the electric component connected to the power supply device is a control device, a voltage higher than the withstand voltage of the control device is input from the power supply device to the control device, and the control device may be broken.

Accordingly, the present invention provides a power supply device for a pachinko machine capable of cutting off a voltage higher than a withstand voltage of an electrical functional component.

[0005]

According to the present invention, there is provided a power supply device for a pachinko machine which is incorporated in a pachinko machine and supplies electric power input from the island side of the pachinko machine to electric functional parts of the pachinko machine. And an overvoltage protection means for turning off a power supply system from the power supply device to the electrical functional component when a voltage higher than the withstand voltage of the electrical functional component is detected. Therefore, according to the present invention, when noise is mixed into the power supply device, an internal circuit of the power supply device malfunctions, and a voltage higher than a desired value is output to the electric functional component connected to the power supply device Further, the overvoltage protection means can cut off the power supply system from the power supply device to the electrical functional component. Further, in the present invention, if the electrical functional component is a control device, the protection function of the overvoltage protection means can be fully utilized. Further, according to the present invention, the overvoltage protection means detects an input voltage from the power supply device to the power supply system of the electrical functional component, and if the detected voltage is higher than a withstand voltage of the electrical functional component, the input of the power supply is performed. If the input side of the power supply is turned off by overvoltage detection if formed by an electrical disconnecting means that turns off the power supply side, it is possible to appropriately protect a withstand voltage component of the power supply inside the power supply that is lower than the overvoltage detection level. The protection of the device itself is possible.

[0006]

FIG. 1 shows a configuration of a power supply device 1 according to a first embodiment of the present invention. In FIG. 1, reference numeral 11 denotes an input side overcurrent protection circuit such as a fuse or a breaker. Reference numeral 12 denotes a 100 volt detection circuit that rectifies and smoothes the AC power supplied through the power input unit 27 and the overcurrent protection circuit 11, and detects the AC power connected to the power input unit 27 from the smoothed power. . And 10
The 0 volt detection circuit 12 cuts off the supply of the relay driving power to the relay control circuit 15 when detecting that the AC 100 volt power supply is connected, and when the island side power supply section 8 is connected to the power input section 27. Supplies the smoothed power to the relay control circuit 15 as a relay driving power. An alarm internal display circuit 14 drives a display electric component such as an LED for displaying on the outside of the power supply device when the 100 volt detection circuit 12 detects 100 volts AC. A relay control circuit 15 includes a relay drive power supply from the 100 volt detection circuit 12, a switch input signal from the switch input circuit 16 based on the ON / OFF operation of the switch 9, and an overvoltage detection signal from the overvoltage detection circuit 23. Controls power supply or cutoff to the relay coil of the relay. In the case of the first embodiment, the relay control circuit 15
Supplies the exciting power to the relay coil 7a to open the relay contact 7b during the period of receiving the overvoltage detection signal from the 100 volt detection circuit 12, and the input of the overvoltage detection signal from the 100 volt detection circuit 12 When the normal voltage is received from the 100 volt detection circuit 12, the relay 7 self-returns, such as stopping the supply of the exciting power to the relay coil 7a and closing the relay contact 7b. Further, once receiving the overvoltage detection signal from the overvoltage detection circuit 23, the relay control circuit 15
a, the relay contact 7b is kept open and the switch 9 is turned off after the switch 9 is turned off, or the power supply from the island power supply 8 to the power supply 1 is cut off. Power supply is resumed after
The relay 7 self-returns, for example, by stopping the supply of the excitation power to the relay coil 7a and closing the relay contact 7b. That is, the 100 volt detection circuit 12
When 0 volt is not detected and the overvoltage detection circuit 23 does not detect an overvoltage, the relay control circuit 15 switches the relay coil 7a of the relay 7 in accordance with the ON or OFF operation of the switch 9.
Supply or cut off power. Reference numeral 16 denotes a switch input circuit, which outputs a switch input signal to the relay control circuit 15 when the switch 9 is turned on or off.

Reference numeral 17 denotes a noise filter which removes power supply line noise that has been supplied from the input side overcurrent protection circuit 11 via the relay contact 7b and has been supplied to the AC power of 24 volts AC. Output to the full-wave rectifier circuit 18. The full-wave rectification circuit 18 performs full-wave rectification on the AC power of 24 volts AC input from the noise filter 17 and outputs the rectified power to a power factor correction circuit 19 at the subsequent stage. The power factor improving circuit 19 improves the power factor of the electric power input from the full-wave rectifier circuit 18 and converts the power factor
Output to The power factor improving circuit 19 is formed by either an active filter using a boost type chopper converter or a choke input using a choke coil. In the case of the active filter, the power factor is improved by switching the pulsating flow input from the full-wave rectifier circuit 18 at a frequency of several tens KHz or more over the entire period. In other words, the current waveform becomes the average value of the switching current in each cycle, and even if there is a large capacitor in the load, the capacitor becomes equivalent to a resistive load, and the switching current flows as a sine curve macroscopically, Reduce waves. In the case of a choke input, the peak current charged by the choke coil to the smoothing capacitor of the smoothing circuit 20 is suppressed to improve the power factor. In the case of the choke input, since the voltage is not boosted, the output voltage is a peak voltage obtained by subtracting the loss from the voltage of ボ ル ト 2 (route 2) times 24 volts.

The smoothing circuit 20 outputs a flat voltage waveform to the overcurrent detection circuit 21 at the subsequent stage by charging the voltage boosted by the active filter or charging the voltage whose peak current is suppressed by the choke input. The overcurrent detection circuit 21 includes a smoothing circuit 20 and a 12 volt power supply circuit (1
2V power supply circuit) 22 and monitors the current flowing into the 12 volt power supply circuit 22. If the electrical functional component side connected to the 12 volt power supply circuit 22 via the DC 12 volt output unit 25 is short-circuited, the monitored inflow current also abnormally increases.
1 transmits an overcurrent to the 12 volt power supply circuit 22. The 12-volt power supply circuit 22 receives the overcurrent detection signal from the overcurrent detection circuit 21 and protects itself by reducing its own output voltage or output current or both. The 12 volt power supply circuit 22 is a smoothing circuit 20
The voltage input through the overcurrent detection circuit 21 is
Overvoltage detection circuit 23 at the subsequent stage as a constant voltage of C12 volts
, And one of a series regulator, a switching regulator, and the like. The overcurrent detection circuit 21 detects the input current of the 12 volt power supply circuit 22. However, the overcurrent detection circuit 21 is connected to the 12 volt power supply circuit 22 and the overvoltage detection circuit 23, and the overcurrent detection circuit 21 is connected to the 12 volt power supply circuit. The output current of the overcurrent detection circuit 21 is monitored when the output current abnormally increases to a predetermined value or more set in the overcurrent detection circuit 21.
Is transmitted to the 12 volt power supply circuit 22,
It is also possible for the volt power supply circuit 22 to reduce its own output voltage or output current or both.

An overvoltage detection circuit 23 detects a voltage input from the 12 volt power supply circuit 22 and detects a voltage of DC12.
When the detected voltage is larger than 12 volts, an overvoltage detection signal is output to the relay control circuit 15.
And a DC 12 volt output unit 25. The overvoltage detection circuit 23, the relay control circuit 15, and the relay 7 constitute overvoltage protection means. The power supply display circuit 24 includes the smoothing circuit 20
DC12 input via the overvoltage detection circuit 23
A display electric component such as an LED for displaying that the power supply device 1 is on by the bolt is displayed outside the metal case of the power supply device 1. Reference numeral 26 denotes a surge absorber for the DC 12 volt output unit 25,
This is an electrical component for connecting the ground side of the bolt output unit 25 to a frame ground, which is a metal case, for the purpose of removing noise.

The power input unit 27 has two power supply connection portions for electric wires to the output portion of the island side power supply portion 8 and one frame ground connection portion for connecting to a metal portion of a pachinko machine on which the power supply device 1 is mounted. And 28 is a relay contact 7
This is an AC 24 volt output unit for taking out AC 24 volt from between the filter b and the noise filter 17. Reference numeral 29 denotes an output side overcurrent protection element such as a fuse for the AC 24 volt output unit 28. 30 and 31 are AC 24 volt output sections 28
, Which is an electrical component that connects the AC 24 volt output unit 28 to the frame ground of the power supply device 1 for the purpose of removing noise. Reference numeral 32 denotes a DC 24 volt output unit that extracts 24 VDC from between the full-wave rectifier circuit 18 and the power factor correction circuit 19. Reference numeral 33 denotes an output side overcurrent protection element such as a fuse for the DC 24 volt output unit 32. Reference numeral 34 denotes a surge absorber for the DC 24 volt output unit 32,
2 is an electrical component that connects the ground side to the frame ground of the power supply device 1 for the purpose of removing noise.

The electrical functional components connected to the DC 12 volt output unit include a game control device, a special symbol control device,
An indicator light control device, a sound effect control device, a ball payout control device, a ball launch control device, and the like. The game control device is a control device having a built-in computer such as a board microcomputer for executing a control process of the whole game, and a command which is a processing result for the game based on the detection signals input from the various detection switches. Output in one direction. Various detection switches include a prize ball detection switch that detects a ball that has won a prize port of a game board called a gauge board, a supply switch that detects whether or not a tank is refilled, and a prize ball to be paid out are prepared in a prize ball payout mechanism. A prize ball standby switch for detecting whether or not the prize ball is paid, a prize ball counting switch for detecting the number of prize balls paid out from the prize ball payout mechanism, and an overflow ball that has flowed from the upper plate to the lower plate and overflowed from a predetermined position. An overflow switch or the like to be detected.

The special symbol control device, the indicator light control device, the sound effect control device, and the ball payout control device are control devices incorporating a computer such as a board microcomputer. The special symbol control device uses a command input from the game control device to convert the symbol into a liquid crystal or L provided as a center accessory of the pachinko machine.
Control for displaying on a display such as an ED, CRT, or plasma display is performed. The types of commands from the game control device to the special symbol control device include demonstration display, left symbol variation start, middle symbol variation start, right symbol variation start, left symbol variation stop (stop symbol instruction), middle symbol variation stop (stop) Pattern indication), right symbol change stop (stop symbol instruction), big hit decision display, big hit display, big win port V switch winning display, big hit end display, count error display, prize ball error display, etc.

The indicator light control device performs control for turning on or off the indicator light provided in the pachinko machine according to a command input from the game control device. The types of commands from the game control device to the indicator light control device include a demo display, a special symbol change display, a reach (left, middle symbol match) display, a big hit determination display, a big hit middle display, a big hit end display, an error display, Special winning opening V winning indicator light display, Special winning opening V winning indicator light off, 1 hold memory indicator light display, 2 hold memory indicator lights display, 3 hold memory indicator lights display, 4 hold memory indicator lights display, There are a suspension memory display lamp all off, a prize ball display lamp display, a prize ball display lamp off, a completion display lamp display, a completion display lamp off, and the like.

The sound effect control device performs control for generating a sound effect by a speaker provided in the pachinko machine according to a command input from the game control device. The types of commands from the game control device to the sound effect control device include a symbol start opening winning sound, a special symbol change sound, a reach sound, a special symbol stop sound,
There are a jackpot determination sound, a jackpot medium sound, a jackpot end sound, an error sound, and the like.

The ball payout control device controls the electric actuator of the ball payout mechanism in accordance with a command input from the game control device to pay out a prize ball, and a ball lending switch in the case of a pachinko machine compatible with a prepaid card. Is controlled by driving the electric actuator of the ball payout mechanism in accordance with the ball lending instruction input through the interface board. The types of commands from the game control device to the ball payout control device include stopping a winning ball, permitting a winning ball, prohibiting firing, permitting firing, instructing a winning ball, and paying out a number of winning balls.

[0016] The ball launch control device is configured to operate the ball launch mechanism by operating the handle of the ball launch mechanism when the player operates the handle in the ball launch mechanism in a state where the launch permission is input from the game control device via the ball payout control device. The control for driving the actuator according to the operation amount of the steering wheel is performed.

The electrical functional component connected to the AC 24 volt output unit 28 is, for example, a prepaid card unit. The electrical functional components connected to the DC 24 volt rough rectification output unit 32 include, for example, a control circuit for controlling a lamp, a sphere launch control circuit for controlling a sphere launch actuator, and the like.

According to the structure of the first embodiment, the switch 9
Is open, power is supplied to the coil 7a and the relay contact 7b is closed, so that the input side overcurrent protection circuit 11, the noise filter 17, the full-wave rectifier circuit 18, and the smoothing circuit 20
And a 12-volt power supply circuit 22 (an AC to DC conversion circuit) and a power factor improving circuit 19 to obtain DC power that has been made into a constant voltage. And
The internal circuit of the power supply device 1 malfunctions due to noise mixed into the power supply device 1 or malfunction of the electrical functional components, and a voltage higher than a desired value is output to the DC 12 volt output unit 25 side of the power supply device 1. In such a case, the overvoltage protection means including the overvoltage detection circuit 23, the relay control circuit 15, and the relay 7 opens the relay contact 7b to cut off the power supply system from the power supply device to the electrical functional parts. The control device connected to 25 is properly protected. When the switch 9 is closed, the relay coil 7
Since the power to a is cut off and the relay contact 7b is opened, the power supply device 1 is turned off.

FIG. 2 shows a configuration of a DC constant voltage power supply system capable of outputting a plurality of different voltages according to a second embodiment of the present invention. In FIG. 2, the power factor improving circuit 19 includes a smoothing circuit 20, an overcurrent detecting circuit 21, a 12 volt power circuit 22, an overvoltage detecting circuit 23, a power display circuit 24, a 12 VDC output section 25, and a 12 VDC Output system, smoothing circuit 40, overcurrent detection circuit 41, 5 volt power supply circuit (5V power supply circuit) 42, overvoltage detection circuit 4
3, a DC 5 volt (DC 5 V) output unit 45 and a DC 5 volt output system including a surge absorber 46;
Constant voltage DC12V and constant voltage DC5
DC5, which is an operating power supply of a control device having a built-in computer mounted on the pachinko machine,
A bolt system and a DC 12 volt system used for components controlled by the control device can be obtained. Therefore,
A 5 VDC power supply system can be omitted from the control device.

FIG. 3 shows a configuration of a plurality of DC constant voltage power supply systems according to a third embodiment of the present invention. In FIG. 3, the 12 volt power supply circuit 22 includes an overcurrent detection circuit 41, a 5 volt power supply circuit 42, an overvoltage detection circuit 43, and a DC 5 volt output unit 45.
Further, by adding a DC 5 volt output system including the surge absorber 46 and making the constant voltage DC 12 volt from the constant voltage DC 12 volt, the circuit configuration becomes simpler than in the second embodiment.

FIG. 4 shows a configuration of a power supply device 1 according to a fourth embodiment of the present invention. In FIG. 4, an external switch as the switch 9 opens and closes a path between the 100 volt detection circuit 12 and an internal switch as the relay 7, and
When the DC power flowing through the 12-volt output unit 25 to the electrical functional component 54 has a voltage equal to or higher than a predetermined value slightly higher than 12 VDC, the over-voltage detection circuit 50 corresponding to the over-voltage detection circuit 21 An overvoltage detection signal is output to a relay control circuit 52 corresponding to the control circuit 15, and the relay control circuit 52 turns off the relay 7. The AC / DC converter 51 is a generic name of a circuit composed of the noise filter 17, the full-wave rectifier circuit 18, the power factor improvement circuit 19, the smoothing circuit 20, the overcurrent detection circuit 21, and the 12-volt power supply circuit 22 in FIG. Although not shown in FIG. 4, the alarm internal display circuit 14, the power supply display circuit 24, the AC2
4 volt output section 28, DC 24 volt output section 32, overcurrent protection elements 29; 33, surge absorbers 26; 30;
Components such as 31; 34 are provided as in FIG. Therefore, according to the structure of the fourth embodiment, when the switch 9 is turned on artificially in a state where AC 24 V is supplied from the island-side power supply section 8 to the power supply input section 27,
AC 24 volts is supplied to the AC / DC converter 51 via the relay contact 7b. The relay control circuit 52 supplies the exciting power to the relay coil 7 a to open the relay contact 7 b during the period of receiving the overvoltage detection signal from the 100 volt detection circuit 12, and detects the overvoltage from the 100 volt detection circuit 12. No signal input, 100 volt detection circuit 1
2 receives a normal voltage from the relay coil 7a.
The relay 7 self-returns, for example, by stopping the supply of excitation power to the relay 7 and closing the relay contact 7b. Further, once receiving the overvoltage detection signal from the overvoltage detection circuit 50, the relay control circuit 52 continues to supply the exciting power to the relay coil 7a to keep the relay contact 7b open, and the switch 9
Is turned on after being turned off, or the power supply is restarted after the power supply from the island side power supply unit 8 to the power supply device 1 is cut off, so that the excitation power supply to the relay coil 7a is performed. Is stopped and the relay contact 7b is closed, so that the relay 7 self-returns.

FIG. 5 shows a power supply device 1 according to a fifth embodiment of the present invention. 5, most of the circuit board 60 is housed in a case 61 made of a metal such as iron or aluminum, and the circuit board 60 inside the case 61 includes the relay 7 and the overcurrent protection circuit 11 of FIG. , 100 volt detection circuit 12, alarm internal display circuit 14, relay control circuit 15, noise filter 17, full-wave rectification circuit 18, power factor improvement circuit 19, smoothing circuit 20, overcurrent detection circuit 21,
12 volt power supply circuit 22, overvoltage detection circuit 23, power supply display circuit 24, surge absorber 26; 30; 31; 34
And the like, and the circuit board 60 exposed from the case 61 to the outside is provided with the switch connection part 3, the DC 12 volt output part 25, the power input part 27, the AC input part 27 shown in FIG.
An external component 63 such as a 24 volt output section 28, a 24 VDC output section 32, overcurrent protection elements 29 and 33, an indicator such as an LED controlled to be turned on by the alarm internal display circuit 14 and the power supply display circuit 24, and the like is provided. That is, the overvoltage detection circuit 23 and the relay control circuit 15
The relay 7 is mounted on the circuit board 60 in the first internal space 64 or the second internal space 65 surrounded by the circuit board 60 and the case 61. In short, in the third embodiment,
Since the overvoltage protection means is formed by disconnecting means capable of opening the input side system of the power supply device 1 and self-recovering during other normal operations and closing the input side system of the power supply device 1, the overvoltage protection means is formed as a case. It can be provided on a circuit board 60 covered by 61. 66 is a set screw fastened to the circuit board 60 and the case 61.

FIG. 6 shows the configuration of the sixth embodiment of the present invention. In FIG. 6, the power supply device 1 includes an AC / DC converter 70 and a backup capacitor 71, and a control device 73 including a computer mounted on the pachinko machine includes a DC 5 volt power supply 74, a CPU 75, a RAM 76, a ROM 77, and a backflow prevention diode 78. The control circuit can be miniaturized if the backup capacitor 71 is normally charged from the DC 5 volt power supply 74 via the backflow prevention diode 78 and the power supply is supplied to the RAM 76 during a power failure. The AC / DC conversion unit 70 includes the switch connection unit 3, the relay 7, the overcurrent detection circuit 11, the 100-volt detection circuit 12, the alarm internal display circuit 14, the relay control circuit 15, the noise filter 17, the full-wave rectification circuit 18, Power factor improving circuit 19, smoothing circuit 20, overcurrent detecting circuit 21, 1
2 volt power supply circuit 22, overvoltage detection circuit 23, power supply display circuit 24, DC 12 volt output section 25, surge absorber 26; 30, 31; 34, power input section 27, AC24
A volt output section 28, a DC 24 volt output section 32, and overcurrent protection elements 29 and 33 are provided. In addition, the AC / DC conversion unit 70
2, a smoothing circuit 40, an overcurrent detection circuit 41, a 5-volt power supply circuit 42, an overvoltage detection circuit 43, a power supply display circuit 44,
A 5-volt DC output system including a 5-volt DC output unit 45 and a surge absorber 46, or the overcurrent detection circuit 41, the 5-volt power supply circuit 42, and the overvoltage detection circuit 43 shown in FIG.
Any of the DC 5 volt output system including the power supply display circuit 44, the DC 5 volt output unit 45, and the surge absorber 46 may be provided together with the DC 12 volt output system. When the AC / DC converter 70 has the DC 5 volt output system and the DC 12 volt output system as described above, the power supply device 1 may be provided with a backflow element diode corresponding to the backflow prevention diode 78.

In the above-described embodiment, the power is supplied or cut off from the input unit 2 to the electrical functional parts by manipulating the switch 9, but instead of the switch 9, a hall computer for managing the business of the pachinko parlor is connected to the switch. It is also possible to wire the unit via a connector and electrically operate the relay 7 in place of the above-mentioned manual operation by an output signal from the hall computer. This allows the hall computer to control the turning on / off of the power supply device 1 of the pachinko machine, which has conventionally been performed individually for each island by the island facility. In this case, the hall computer corresponds to the switch 9 as a matter of course.

In the above embodiment, the relay 7 is formed of an electromagnetic type including a relay coil 7a and a relay contact 7b.
The present invention can be similarly applied to a semiconductor device type such as a phototriac.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a power supply device according to a first embodiment of the present invention.

FIG. 2 is a configuration diagram showing a DC constant-voltage power supply system according to a second embodiment of the present invention.

FIG. 3 is a configuration diagram showing a DC constant voltage power supply system according to a third embodiment of the present invention.

FIG. 4 is a configuration diagram showing a power supply device according to a fourth embodiment of the present invention.

FIG. 5 is a configuration diagram showing a power supply device according to a fifth embodiment of the present invention.

FIG. 6 is a configuration diagram showing a sixth embodiment of the present invention.

[Explanation of symbols]

 1 power supply 7 relay 7a relay coil 7b, 7c relay contact 9 switch. 15; 52 relay control circuit 23 overvoltage detection circuit 25 12 VDC output section 42 5 VDC output section

Claims (3)

[Claims] 1. A power supply device for a pachinko machine which is incorporated in a pachinko machine and supplies electric power input from an island side of a pachinko machine to electric functional components of the pachinko machine, wherein the voltage is higher than the withstand voltage of the electric functional components. A power supply device for a pachinko machine, comprising: an overvoltage protection means for turning off a power supply system from the power supply device to the electrical functional component upon detection of the power supply. 2. The power supply device for a pachinko machine according to claim 1, wherein the electric functional component is a control device. 3. An overvoltage protection means detects an input voltage from the power supply device to the power supply system of the electrical functional component, and turns off the input side of the power supply if the detected voltage is higher than a withstand voltage of the electrical functional component. 2. The power supply device for a pachinko machine according to claim 1, wherein said power supply device is formed by an electric disconnecting means.