JP4778219B2 - Control board unit for gaming machines - Google Patents

Description

  The present invention relates to a control board for controlling a game, and a control board unit in a gaming machine including a board case in which the control board is accommodated.

  Conventionally, in gaming machines such as slot machines and pachinko machines, electronic components such as ROM for controlling games, board-side connectors to which external connectors are connected, and printed wiring for electrically connecting electronic components and board-side connectors are provided. An electronic control system is used to control the gaming operations of various gaming machines by mounting the control board provided in the gaming machine and connecting the external connectors on the various gaming machines side controlled by the control board to the board side connectors. Yes.

In addition, the control board is a board-side connector so that unauthorized modification such as replacement of the ROM of the control board, unauthorized operation such as piano wire entering the gaming machine, and unauthorized operation such as unauthorized operation of the control board cannot be performed. In such a form that only the surface is exposed, it is accommodated in a substrate case formed of a transparent synthetic resin material (see, for example, Patent Document 1).
JP 2001-178940 A

  However, in the gaming machine as described above, since the board-side connector is exposed from the opening provided in the board case, the board-side connector and the opening are caused by a molding error of the board case, variation in the mounting position of the board-side connector, etc. A gap is created between the edge of the control board and the control board is illegally operated by using this gap to insert an unauthorized tool into the board case and short the printed wiring around the board-side connector. There is a risk of being.

  In view of the conventional problems, the present invention has an object to provide a control board unit in a gaming machine that can reliably prevent an illegal act such as an unauthorized operation of a control board using an unauthorized tool. And

According to the present invention, the above problem is solved as follows.
(1) An electronic component for controlling a game on a mounting surface, a plurality of board-side connectors to which external connectors are connected, and a control board provided with printed wiring, a board comprising a case main body and a case lid for closing the case main body accommodates in the case, the case lid, said the control board unit in the plurality of board-side connector gaming machine having a plurality of openings for exposing each of said plurality of substrate and the mounting surface of the control board between the side connector, in the printed wiring concealed, and a sandwiched state the concealed said printed wiring openably flat plate-like insulating plate of the peripheral portion of the plurality of board-side connector, the plurality of substrates by soldering the side connector terminals on the back side of the control board, the plurality of board-side connector and the insulating plate the real of the control board Was fixed to a surface, the pre-fixed said control board said plurality of substrate-side connector and the insulating plate, screwed to the inner surface of the case lid, each said plurality of substrate-side connector from the plurality of openings And exposing the surface of the insulating plate to the periphery of the plurality of openings to close the openings, to the inner surface of the case body facing the back surface of the control board, and to the back surface of the control board A protruding portion that protrudes toward the insulating plate via the control board is provided, and the insulating plate has a shape capable of continuously concealing the printed wiring in peripheral portions of the plurality of board-side connectors .

(2) In the above item (1), a plurality of through-holes through which the terminals of the board-side connector can penetrate are formed in the insulating plate.

According to the present invention, the following effects can be obtained.
(A) According to the invention described in claim 1, by providing an insulating plate capable of concealing the printed wiring in the peripheral portion of the board-side connector between the control board and the board-side connector, It is possible to reliably prevent an illegal act such as a piano wire or other unauthorized tool entering the gap between the board-side connector and shorting the printed wiring. Moreover, the insulating plate can be reliably fixed to the control board by sandwiching the insulating board between the control board and the board-side connector. Furthermore, by making the periphery of the opening in the case lid contact the surface of the insulating plate and closing the opening, it is possible to reliably prevent illegal acts such as intrusion of unauthorized tools into the board case. Can

(B) According to the invention described in claim 2, it is possible to fix the insulating plate to the control board with high accuracy by passing the terminal of the board-side connector through the through hole of the insulating board.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view of a gaming machine (slot machine) to which the present invention is applied, FIG. 2 is a front view of the gaming machine with a front door opened, FIG. 3 is a front view of a control board unit, and FIG. 3 is an enlarged longitudinal sectional view taken along line AA in FIG. 3, FIG. 5 is a perspective view of the control board unit as viewed from below, FIG. 6 is a perspective view of the control board unit with the board case opened, FIG. FIG. 8 is a perspective view of the control board, FIG. 8 is an enlarged view of a portion B in FIG. 4, and FIG. 9 is an exploded perspective view of the main part. In the following description, the front side of the page in FIGS. 1 and 2 is the “front or front side” of the gaming machine, the back side of the page in FIGS. 1 and 2 is the “rear or back side”, and the left side in FIGS. In FIG. 1 and FIG. 2, the right side is “right”.

  A slot machine as a gaming machine (1) has a rectangular front housing (2) whose front (front) is open and a pair of upper and lower hinge shafts (4) facing the left and right sides of the housing (2). ) And a front door (3) pivotably supported by the door.

  When the front door (3) is in the closed state, the upper and lower hook levers (5) provided on the back surface of the front door (3) are engaged with the engagement pieces (2a) provided on the housing (2). By doing so, it cannot be opened unless a predetermined key or the like is used.

  In the housing (2), there are three rotating reels (6) capable of changing and stopping display of identification information composed of a plurality of types of symbols and numbers, and medals (including coins) as game media. A hopper unit (7) capable of storing and dispensing, and a control board unit (100) in which a main control board (8) for overall control of the entire game is housed in a transparent board case (14) described later. Based on the control signal output from the main control board (8), the liquid crystal display unit (31) provided on the back side of the front door (3) and capable of displaying various game information and effects, generates sound effects. Based on the control signal output from the main control board (8) and the sub control board (9) capable of outputting a control signal to the speaker (32), the lamp (33) that enhances the effect by the light, each rotating reel ( 6) A rotating reel control board (10) capable of driving and controlling a motor for rotating the motor and power to the main control board (8) And supplies the power supply (11) is accommodated.

  On the front face of the front door (3), there are a game information display window (34) through which the game information and effects displayed on the liquid crystal display unit (31) can be visually recognized, and three pieces of identification information of each rotary reel (6). A recognizable identification information display window (35), a plurality of information display windows (36) capable of recognizing various information displayed on a central substrate (not shown) provided on the back surface of the front door (3), and a game A medal slot (37) for inserting medals when performing, a MAX bet button (38) for setting the maximum number of medals bet (3), and one for setting the number of medals to one A bet button (39), a start lever (40) operated to rotate all the rotating reels (6), and three stop buttons operated to stop the rotation of each rotating reel (6) (41) and a settlement button (42) operated when the game is settled.

  The MAX bet button (38), the single bet button (39), the start lever (40), each stop button (41) and the settlement button (42) are provided with operation detection sensors (not shown). (Omitted) is built-in.

  The game of the gaming machine (1) starts after the player inserts a medal into the medal slot (37) and then sets the bet number of medals with the MAX bet button (38) or single bet button (39). This is started by operating the lever (40) to rotate all the rotating reels (6). The medal inserted into the medal insertion slot (37) is determined by the medal selector (not shown) provided on the back side of the front door (3) to determine whether the medal is true or false. The medal guided to the hopper unit (7) and determined to be false is returned to the medal tray (3a) provided at the lower part of the front door (3).

  After a predetermined time has elapsed after the rotating reel (6) has rotated, the three stop buttons (41) are sequentially operated to stop the rotation of each rotating reel (6), and the stopped three rotating reels ( 6) Based on the combination of identification information, the number of medals distributed according to the presence or absence of a prize and the size of the prize is determined. When a prize is awarded, a medal tray (7) The medal is paid out in 3a).

  In the present embodiment, the gaming machine (1) is described as a slot machine in which the game medium is a medal (including coins). However, the present invention is not limited to this, and the gaming machine (1) It may be a pachinko machine or slot machine in which the game medium is a pachinko ball.

  The control board unit (100) includes a main control board (8) and a board case (14) for accommodating the main control board (8) and preventing unauthorized modification of the main control board (8). Is done.

  As shown in FIG. 6, the substrate case (14) is composed of a case body (12) formed of a transparent synthetic resin material fixed to the rear plate (21) of the housing (2), and a transparent synthetic material. The upper and lower semi-cylindrical parts (13a) provided at the left end are pivotally supported by the left end of the case body (12) so that they can be opened and closed, and the front surface of the case body (12) can be closed. And a case lid (13).

  As shown in FIG. 7, various electronic components (81) such as a ROM and an external connector (50) are connected to the front surface of the main control board (8) facing the case lid (13), that is, the mounting surface. A plurality of board-side connectors (82) (seven in this embodiment) are mounted, and a large number of printed wirings (83) for electrically connecting various electronic components (81) and each board-side connector (82). ) Is provided. Further, a synthetic resin plate having a size capable of concealing the printed wiring (83) in the peripheral portion of each board-side connector (82) around each board-side connector (82) on the mounting surface of the main control board (8). The insulating plate (84) formed by is fixed.

As shown mainly in FIG. 9, the insulating plate (84) has a flat plate shape and corresponds to a plurality of terminals (82a) (see FIG. 8) of the board-side connector (82). Has a plurality of through holes (84a) through which the main control board (8) can be mounted, and is sandwiched between the main control board (8) and the board-side connector (82). Fixed to. Specifically, with the insulating plate (84) sandwiched between the mounting surface of the main control board (8) and the board side connector (82), the terminal (82a) of the board side connector (82) Insulation is achieved by passing through the through hole (84a) of the insulating plate (84) and the terminal mounting hole (8a) drilled in the main control board (8) and soldering to the back side of the main control board (8). The board (84) is securely and accurately fixed to the mounting surface of the main control board (8) so as to conceal the printed wiring (83) around the board-side connector (82). The insulating plate (84) is made of a transparent synthetic resin that can see through the printed wiring (83) in the peripheral portion of the board-side connector (82).

  The plurality of board side connectors (82) are, from the left side, for power input for inputting power output from the power supply device (11), for sub control board output for outputting control signals to the sub control board (9), For display output that outputs display signals to the liquid crystal display unit (31) and the central board, for switch input that inputs operation signals of each operation detection sensor, and rotating reel output that outputs rotation control signals to the rotating reel control board (10) It is for external centralized output that outputs game data to a hall computer that centrally manages a large number of gaming machines installed in a game store, and for inspection that is used when inspecting the main control board (8). A corresponding external connector (50) is connected to the board side connector (82).

  The case lid (13) has a plurality of (six in this embodiment) fixing portions (6 in the present embodiment) coupled to the right and lower portions through engagement holes (13b) and a plurality of cutting portions (13c) on the right end. 13d), and with the engagement claw (12a) provided on the case body (12) engaged with the engagement hole (13b), one of the plurality of fixing portions (13d) is Cut the cutting part (13c) connected to the fastened fixing part (13d) by fastening it to the screwing part (not shown) provided on the case body (12) with a one-way screw (not shown) It can't be opened unless it is done. In addition, when the cutting part (13c) is cut by a formal inspection for the inspection of the main control board (8) housed in the board case (14), after the inspection, a spare one-way screw is used. The fixing portion (13d) and the screwing portion are fastened to fasten the case lid (13) to the case main body (12) in a closed state.

The main control board (8) is fixed to the inside of the case lid (13) by screws (not shown) and is sandwiched between the case body (12) and the case lid (13). It is accommodated in the substrate case (14). By fixing the main control board (8) to the case lid (13) provided with the opening (131), each board-side connector (82) can be easily exposed from each opening (131). It is possible to improve the assembly work. Further, as clearly shown in FIG. 8, the inner surface of the case body (12) facing the back surface of the main control board (8) protrudes toward the back surface of the main control board (8) from the inner surface, and A protruding portion (12b) is provided to face the insulating plate (84) through the control board (8).

  To expose the insertion port (external connector (50) insertion port) (82b) (82b) of each board side connector (82) at the location corresponding to each board side connector (82) of the case lid (13) The opening (131) is perforated. Further, as shown in FIG. 8, a flange portion (131a) capable of closing the opening portion (131) by contacting the surface of the insulating plate (84) is provided around each opening portion (131). ing.

  In addition, in order to reliably prevent the intrusion of unauthorized tools such as piano wire into the board case (14), the size of the opening (131), the mouth of the opening (131) and the board side connector ( 82) It is best that each board-side connector (82) can be fitted so that no gap is formed between the outer circumference of each board-side connector (82). When considering various dimensional errors, etc., the size of each opening (131) should be slightly larger than the corresponding external dimensions of each board side connector (82) to such an extent that it can be tolerated. Is desirable. As a result, a gap (C) (see FIG. 8) is formed between the edge of the opening (131) and the board-side connector (82).

  However, in the embodiment of the present invention, an insulating plate (84) is fixed between the mounting surface of the main control board (8) and the board side connector (82), and the board side connector is provided with the insulating plate (84). By concealing the printed wiring (83) in the peripheral part of (82), the piano wire, etc. is illegal from the gap (C) between the lip of the opening (131) and the board side connector (82). Even if the tool is inserted, illegal acts such as short-circuiting the printed wiring (83) in the peripheral portion of the board-side connector (82) can be reliably prevented.

  In addition, the opening (131) of the case lid (13) is blocked by the flange portion (131a) provided around the opening (131) coming into contact with the insulating plate (84). It is possible to reliably prevent fraudulent acts such as intruding into the substrate case (14).

  Further, the insulating plate (84) is fixed to the main control board (8) in a state of being sandwiched between the mounting surface of the main control board (8) and the board-side connector (82). ) Can be secured.

Although the embodiment of the present invention has been described above, the following various modifications and changes can be made to the present embodiment without departing from the gist of the present invention.
(I) A configuration in which the flange portion (131a) is not provided around the opening (131) in the case lid (13). In this case, instead of bringing the flange portion (131a) into contact with the surface of the insulating plate (84), the periphery of the opening (131) in the case lid (13) is in contact with the surface of the insulating plate (84). Let
(Ii) The main control board (8) is fixed to the case body (12).
(Iii) The number of board side connectors (82) and openings (131) is appropriately changed.
(Iv) The insulating plate (84) has a shape capable of continuously concealing the printed wiring (83) in the peripheral portion of the plurality of board-side connectors (82).

It is a front view of a gaming machine to which the present invention is applied. It is a front view of the gaming machine with the front door opened. It is a front view of a control board unit. FIG. 4 is an enlarged longitudinal sectional view taken along line AA in FIG. 3. It is the perspective view which looked at the control board unit from the lower part. It is a perspective view of a control board unit in the state where a board case was opened. It is a perspective view of a control board. It is an enlarged view of the B section shown in FIG. It is a disassembled perspective view of the principal part.

Explanation of symbols

(1) Pachislot machines
(2) Housing
(2a) Engagement piece
(3) Front door
(3a) Medal tray
(4) Hinge shaft
(5) Hook lever
(6) Rotating reel
(7) Hopper unit
(8) Main control board (control board)
(8a) Terminal mounting hole
(9) Sub control board
(10) Rotary reel control board
(11) Power supply
(12) Case body
(12a) Engaging claw
(12b) Projection
(13) Case lid
(13a) Semi-cylindrical part
(13b) Engagement hole
(13c) Cutting part
(13d) Fixed part
(14) Board case
(21) Rear plate
(31) Liquid crystal display unit
(32) Speaker
(33) Lamp
(34) Game information display window
(35) Identification information display window
(36) Information display window
(37) medal slot
(38) MAX bet button
(39) Single bet button
(40) Start lever
(41) Stop button
(42) Checkout button
(50) External connector
(81) Electronic components
(82) Board side connector
(82a) terminal
(82b) outlet
(83) Printed wiring
(84) Insulating plate
(84a) Through hole
(100) Control board unit
(131) opening
(131a) Flange

Claims (2)

An electronic component for controlling the game on the mounting surface, a plurality of board-side connectors to which external connectors are connected, and a control board provided with printed wiring are placed in a board case comprising a case main body and a case lid for closing the case main body. In a control board unit in a gaming machine that houses a plurality of openings that expose each of the plurality of board-side connectors in the case lid,
Between said plurality of substrate-side connector and the mounting surface of the control board, the plurality of board-side connector said printed wiring concealed of the peripheral portion, and the concealed said printed wiring see-through plate-shaped The plurality of board-side connectors and the insulating board are fixed to the mounting surface of the control board by soldering the terminals of the plurality of board-side connectors to the back side of the control board with the insulating board sandwiched therebetween. And
The control board on which the plurality of board-side connectors and the insulating plate are fixed in advance is screwed to the inner surface of the case lid, and the plurality of board-side connectors are respectively exposed from the plurality of openings, and The surface of the insulating plate is brought into contact with the periphery of the plurality of openings to close the openings ,
Provided on the inner surface of the case body facing the back surface of the control board is a protrusion that projects toward the back surface of the control board and faces the insulating plate via the control board;
A control board unit in a gaming machine , wherein the insulating plate has a shape capable of continuously concealing the printed wiring around peripheral portions of the plurality of board-side connectors .   2. The control board unit in a gaming machine according to claim 1, wherein a plurality of through holes through which the terminals of the board side connector can penetrate are formed in the insulating plate.

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