JPH0225268Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention processes signals supplied through external terminals for connecting external cables, displays them on the panel surface, and displays them through each interface. Concerning electronic equipment that transmits information to the outside.

The central control display unit (electronic equipment) that processes signals from transmitters such as remote scanners takes in signals from each remote scanner through external terminals, processes them on each board, and displays them on the panel surface. The processing results are transmitted to a host computer via each interface, or output to a printing device.

(Prior art) In such electronic equipment, when receiving signals obtained from each external terminal board and supplying them to each board, each terminal of each external terminal board and each connector (connector for board connection) ) are individually connected by lead wires, and each board corresponding to each connector is inserted to connect each board to the external terminal board and each board.

In addition, the external terminal and each printed base of multiple sheets,
A structure in which connections are made through a single printed circuit board called a backboard has also been proposed in Japanese Utility Model Application Publication No. 52-134061.

(Problem to be solved by the invention) However, in such electronic devices, the connection wiring between each printed circuit board, external terminals, power supply section, and operation display section is complicated and diversified, making manufacturing and maintenance troublesome. The dot was hot.

In other words, in the conventional structure in which the above-mentioned wiring is performed using lead wires, as the wiring work becomes more complicated,
Wiring work is troublesome and leads to many wiring mistakes. In addition, the structure using the backboard described above cannot accommodate changes in the specifications of electronic equipment, and it is necessary to prepare a separate backboard for each specification, and also requires a terminal section at the rear end of each printed circuit board and a corresponding connector at the front of the backboard. As the length of the insertion connection becomes longer, excessive force may be applied to the printed circuit board or backboard.
There were problems such as causing malfunctions.

In view of the above-mentioned problems, the present invention divides the connection wiring structure of electronic equipment into an external input/output signal system and an internal processing signal system, and provides an electronic equipment with a reasonably reasonable wiring structure. The purpose is to provide the following.

(Means for Solving the Problems) Means for achieving the above object will be described with reference to drawings corresponding to embodiments.

That is, the present invention includes a housing body 2 in which a door 3 having an operation display section on the front side is provided in the front opening, and a predetermined portion in the upper half (or lower half) of the rear surface of the housing body 2. Multiple rows of external terminals 13 to 13 arranged in parallel at left and right intervals for exchanging signals with the outside
17, and a single motherboard 24 provided in the inner upper half (or lower half) of the rear surface of the housing body 2, which is connected to each external terminal of each of the external terminal rows 13 to 17. A motherboard 24 on which a wiring pattern to be connected is formed; and a plurality of rows of first connectors 25 to 28 protruding in parallel and connected to the external terminal rows 13 to 17 on the front surface of the motherboard 24. and, in the inner lower half (or upper half) of the rear surface of the housing body 2, each of the first connectors 25 to
A plurality of rows of second connectors 51 to 54 are disposed on the vertical extension line of 28, and the upper and lower ends of the second connectors 51 to 54 are freely inserted and supported at predetermined intervals, respectively. upper and lower support plates 57, 5 having a plurality of hollow holes;
8 and each of the second connectors 51 to 54 are sequentially commonly connected, one end being connected to the power supply section in the housing body 2,
The other end is connected to the operation display section of the door 3 and the second end is connected to the operation display section of the door 3.
A band cord 9 forming a common line for a plurality of printed circuit boards 29 to 32, which will be described later, via connectors 51 to 54; and a plurality of cords provided in parallel in the vertical direction so as to be freely inserted and removed in the front and rear directions in the housing body 2. printed circuit board 29
~ 32, the upper and lower connecting portions respectively protruding from the upper and lower halves of the rear end surface are inserted and connected to the corresponding first and second connectors, and are supplied via the external terminals. The electronic device is characterized by comprising: printed circuit boards 29 to 32 that process signals transmitted thereto.

(Function) According to the above configuration, each printed circuit board 29 to
32 is connected via the motherboard 24, which is a single printed board provided in the upper half (or lower half) of the rear surface of the electronic device housing body 2, and connects to the power supply section and the door. Connection wiring of the internal processing signal system to each of the printed circuit boards 29 to 32 via the operation display section 3 is performed via a band cord 9 provided in the lower half (or upper half). In this way, the connection wiring process is divided into the external input/output signal system and the internal processing signal system, divided into upper and lower parts, and organized, and the bus line has a movable part in the middle that includes the operation display part of the door and the power supply part. The internal processing signal system is connected via a flexible belt cord 9.
In addition, the external input/output signal system is carried out via the motherboard 24, which is a hardware device and can be easily connected.

In addition, one of the upper and lower connecting parts protruding from the upper and lower halves of the rear end surface of each printed circuit board 29 to 32 is inserted and connected to the first connector 25 to 28 on the motherboard 24 side, which has a hard structure. Since the other of the upper and lower connecting portions is inserted and connected to the second connectors 51 to 54 that can be moved somewhat between the upper and lower holes, each of the printed circuit boards 29 to 32
Also, no excessive external force is applied to the motherboard 24 due to the insertion connection.

(Example) An example of this invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing the front appearance of an electronic device according to this invention. In this figure, 1 is a housing of this electronic device, and this housing 1 includes a housing body 2 that processes signals from the outside, and a housing body 2 that processes external signals.
It has a door 3 that can be opened and closed freely provided on the front side (the left side in the figure), and a display panel 4 is provided on the front upper part of this door 3, and an operation panel 5 is provided on the lower part. There is.

The operation panel 5 is for inputting the operation mode of this electronic device and each setting value of this electronic device, and the main body 2 of the casing is controlled from the outside according to each value and operation mode input from this operation panel 5. The processing result is displayed on the display panel 4.
External connector 3 shown above and described below
8 and 39 to drive a printing device (not shown) to record the processing results, or to supply the processing results to a host computer for further processing.
This housing body 2 will be further explained below.

FIG. 2 is a perspective view of this electronic device when the door 3 is opened, and as shown in this figure, this housing body 2
is a housing cover 6 that constitutes the outer housing of this housing body 2.
A chassis 7 is housed within this housing cover 6. The chassis 7 is configured to be able to be pulled out forward with respect to the housing cover 6, and is fixed to the chassis 7 by a plurality of bands 8, 8... with flexible band cords (hereinafter simply referred to as band cords). The chassis 7 is electrically connected to the door 3 by a connector 9, and an external terminal panel 10 is provided on the upper rear side of the chassis 7, as shown in the rear side of FIG. The external terminal panel 10 is for connecting the chassis 7 to an external device (not shown), and includes a plurality of terminal boards 11 to 17 and a connector panel 18.

Here, the connection relationship between the external terminal panel 10 and each device in the chassis 7 will be further explained with reference to FIGS. 4 to 6.

Figure 4 shows the housing body 2 shown in Figures 2 and 3.
FIG. 7 is a diagram showing the rear surface of the chassis 7 with the housing cover 6 removed. As shown in this figure, a horizontally long terminal mounting plate 20 is provided on the upper rear side of the chassis 7.
is formed, and the external terminal panel 10 is provided on this terminal mounting plate 20, and external terminal boards 11, 1 are provided on the left side of this external terminal panel 10.
2 is provided, and an external terminal board 13 is provided on the right side.
17 and a connector panel 18 are provided. The external terminal boards 11 and 12 are attached to the power supply box 21 on the left side of the chassis 7, as shown in the cross-sectional view of FIG. 5 (this cross-sectional view is a cross-sectional view taken along the line AA in FIG. 4) Power supply terminals 22, 22, . . . for the power supply box 21 are provided on the external terminal boards 11, 12. Further, the external terminal plates 13 to 17 are provided with screws 23 and 23, respectively.
... are fixed on the external terminal panel 10 at equal intervals, and these external terminal boards 13
to 17 are external terminals 13-a to 13-f, . . .
External terminals 17-a to 17-f are provided.
The external terminals 13-a to 17-f each have rod-shaped electrodes 13- _{a 1 to} 17-f ₁ as shown in FIG _. It is connected to a motherboard 24 provided within the 7. The motherboard 24 has a circuit pattern (wiring pattern) formed thereon by etching or the like, and connectors 25 to 28 are provided on the front surface of the motherboard 24 at equal intervals in the lateral direction. The connectors 25 to 28 have a length slightly shorter than half the height of the chassis 7, as shown in FIG.
Printed circuit boards 29 to 32 are removably inserted into 28, respectively. Printed circuit board 29-3
2 is stored in a printed circuit board storage space 33 on the right side of the chassis 7, and each of these printed circuit boards 29 to 32 has a guide 29-a.
~32-a are provided, and these guides 29-a
~32-a is brought into contact with the guide grooves 34-37 and then pushed rearward, these printed circuit boards 29-32 are moved rearward, and the printed circuit boards 29-32 are formed above the rear ends of these printed circuit boards 29-32. Connection part 2
9-b to 32-b correspond to connectors 25 to 32-b, respectively.
28.

Further, as shown in FIG. 5, the connector panel 18 is constructed so that it can be pulled out rearward as needed, and connectors 38 and 39 are provided on the rear surface of the connector panel 18. Connectors 38 and 39 are for outputting the processing results of each device in the chassis to an external printing device and a host computer, and the electrodes of these connectors 38 and 39 are connected to connectors 42 and 42 via signal lines 40 and 41, respectively. 43. Connector 42, 4
3 has approximately the same length as the connectors 25 to 28 described above, and each of these connectors 42,
43 is detachably attached to a support plate 44 fixed to the chassis 7, and printed circuit boards 45, 46 are attached to these connectors 42, 43.
is inserted. The printed circuit boards 45 and 46 have guides 45 that are slidably fitted into guide grooves 47 and 48 in the same manner as the aforementioned printed circuit boards 29 to 32.
-a, 46-a, and by pushing these printed circuit boards 45, 46 backward, connecting portions 45-b, 46- formed at the upper rear ends of these printed circuit boards 45, 46 are connected. b and the connectors 42 and 43 are connected to each other.

On the other hand, as shown in FIG. 4, a common connection portion 50 is provided at the lower rear surface of the chassis 7. As shown in the cross section of FIG. 6 (this cross section shows the B-B cross section in FIG. 4), the common connecting portion 50 is a square rod-shaped part having approximately the same length as the connectors 25 to 28, 42, and 43. The upper and lower ends of these connectors 51 to 56 are connected to upper and lower support plates 57, which are fixed at corresponding positions.
By being loosely inserted into the blank holes 58a which are square holes with a slightly large diameter arranged in a row at the corresponding positions of the connectors 58, the connectors can be freely moved so as to be substantially in line with the corresponding connectors 25 to 28, 42, and 43. These connectors 51 to 56 are commonly connected by the band cord 9. Obi code 9
connects each device in the chassis 7,
One end thereof is connected to the power supply box 21, and the other end is led forward of the chassis 7 along the inner surface 7-a of the chassis 7 and connected to the door 3 shown in FIG.

Further, the connectors 51 to 56 have connecting portions 29-c to 29 of the printed circuit boards 29 to 32, 45, and 46.
32-c, 45-c, and 46-c are inserted. Connection parts 29-c to 32-c, 45-c, 46
-c are the printed circuit boards 29 to 32, 45, respectively;
46, and these connecting parts 29-c to 32-c, 45-c, 46-
The printed circuit boards 29 to 32, 45, and 46 are interconnected by interconnecting the terminals c through the connectors 51 to 56 and the belt cord 9.

In this way, in this electronic device, each printed circuit board 29 to 32, 45, 46, power supply box 2
1 and the door 3 are connected to each other by the belt cord 9, and each printed circuit board 29 to 32 and the external terminal 13-a to 17-f are connected to the motherboard 24.
Since the strip cord 9 can be used to connect the printed circuit boards 29 to 32, . This can be done by connecting each printed circuit board 29 to 29 without using lead wires.
32,...door 3 and external terminals 13-a to 17-f
can be connected. Furthermore, in this case, the electrodes of the external terminals 13-a to 17-f are rod-shaped, and the external terminal boards 13 to 17 on which these external terminals 13-a to 17-f are provided and the motherboard 2
Since the positions of the external terminals 13 and 4 are predetermined, simply attaching these external terminal boards 13 to 17 and the motherboard 24 to the chassis 7
Each of the electrodes -a to 17-f can be inserted into each through hole of the motherboard 24. Therefore, even when such external terminals 13-a to 17-f are connected to the motherboard 24, there is no fear of incorrect wiring.

Furthermore, in this embodiment, since the external terminal boards 13 to 17 are attached to the chassis 7, it is easy to pull out the chassis 7 from the housing cover 6 without the wiring on the back side of the chassis 7 getting in the way. can be pulled out.

(Effects of the invention) As explained above, according to the electronic device according to the invention, the connection wiring process, which mainly connects the plurality of printed circuit boards 29 to 32 arranged in parallel so that they can be inserted and removed, can be performed externally. The input/output signal system and the internal processing signal system are divided into upper and lower sections and organized, and the internal processing signal system is connected as a bus line with a movable part in the middle that includes the door operation display and power supply section. The external input/output signal system, which includes connection to the external terminal rows arranged parallel to the rear end of each printed circuit board 29 to 32, is connected via a flexible belt cord 9, and the external input/output signal system is connected via a hard, easy-to-connect motherboard 24. Since this is done, the wiring structure can be organized and the wiring structure can be easily manufactured, maintained and inspected.

In addition, one of the upper and lower connecting parts protruding from the upper and lower halves of the rear end surface of each printed circuit board 29 to 32 is inserted and connected to the first connector 25 to 28 on the motherboard 24 side, which has a hard structure. The other end of the upper and lower connection portions are connected to second connectors 51 to 54 that can be moved somewhat between the upper and lower holes.
Each printed circuit board 29
- 32 and the motherboard 24 due to insertion and connection, there is no generation of defective products, and there are fewer failures, which is an excellent practical effect.

Further, each of the printed circuit boards 29 to 32 can be easily attached and detached, and is resistant to vibration.

[Brief explanation of the drawing]

Fig. 1 is a front perspective view showing an embodiment of the electronic device according to this invention, Fig. 2 is a front perspective view when the door 3 of the electronic device shown in Fig. 1 is used, and Fig. 3 is a front perspective view showing an embodiment of the electronic device according to this invention. FIG. 4 is a rear view of the electronic device shown in FIG. 1, FIG. 4 is a rear view of the chassis 7 when the housing cover 6 is removed from the electronic device of this embodiment, and FIG.
The figure is a cross-sectional view taken along line A-A of the electronic device shown in FIG. 4, and FIG. 6 is a cross-sectional view of the electronic device shown in FIG.
It is a sectional view taken along the -B cross section. 1...Housing, 2...Housing body, 3...Door, 6...
...Casing cover, 7... Chassis (chassis body), 9... Band cord (common tangent line), 13
~17... External terminal board, 13-a to 17-f...
External terminal, 24...Motherboard, 25-28...
...Connectors (first connector group), 29-32...
...Printed circuit board (each device), 51-56... Connector (second connector group).

Claims (1)

[Claims for Utility Model Registration] A casing body 2 having a front opening provided with a door 3 having an operation display section on the front, and a predetermined portion on the upper or lower half of the rear surface of the casing body 2. Multiple rows of external terminals 13 to 17 for exchanging signals with the outside, provided in parallel at left and right intervals.
and a single motherboard 24 provided in the inner upper half or lower half of the rear surface of the housing body 2, which is connected to each external terminal of the external terminal rows 13 to 17. a motherboard 24 on which a wiring pattern is formed; a plurality of rows of first connectors 25 to 28 protruding in parallel and connected to the external terminal rows 13 to 17 on the front surface of the motherboard 24; In the inner lower half or upper half of the rear surface of the housing body 2, each of the first connectors 25 to 28
A plurality of rows of second rows arranged on the vertical extension line of
upper and lower support plates 57 and 5 having a plurality of hollow holes into which the upper and lower ends of the second connectors 51 to 54 are freely inserted and supported at predetermined intervals, respectively;
8 and each of the second connectors 51 to 54 are sequentially commonly connected, one end being connected to the power supply section in the housing body 2,
The other end is connected to the operation display section of the door 3 and the second
A band cord 9 that forms a common line for a plurality of printed circuit boards 29 to 32 through connectors 51 to 54 of
and a plurality of printed circuit boards 29 provided vertically in parallel within the housing body 2 so as to be freely insertable and removable in the front and rear directions.
~ 32, wherein the upper and lower connecting portions protruding from the upper and lower halves of the rear end surface are inserted into and connected to the corresponding first and second connectors, respectively, and are supplied via the external terminals. 1. An electronic device comprising: printed circuit boards 29 to 32 that process signals transmitted to the computer.