JPH10295007A - Controller - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a controller which is capable of easily performing wiring work, in order to solve problems in a conventional controller in which it was difficult to see each equipment in the controller when performing wiring work from the opening in the storage box, the wiring work was time-consuming, and the working posture was difficult to maintain. SOLUTION: Inside of a storage box 5 is divided into a plurality of portions, a draw-out shelf which can be drawn out freely from an opening 5b of a storage box 5 is provided for each divided box portion 5A, each equipment is arranged separately on each draw-out shelf 7, plural equipment are connected by a mutually separable connector 8, external connectors for relaying the input/output between the external equipment and predetermined equipment are mounted on the wall surface of the storage box 5, thereby permitting mounting and wiring of each equipment outside the storage box. Moreover, the wiring work between the equipment can also can be made without troubles after storing the draw-out shelf 7, thereby permitting the work to be done quickly and easily.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for driving or controlling an industrial machine or the like.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 7, a control device for controlling an industrial machine or the like includes a power supply unit 31, various control circuit units 32, and a connector unit for connecting to an external device in a storage box 30. The power supply unit 31 and the various control circuit units 32 are fixed to the inner wall surface in the storage box 30.

[0003] When assembling such a control device 34, that is, the power supply unit 31, various control circuit units 32
Installation work of each equipment such as and wiring work between each equipment,
The worker manually performed while looking into the back through an opening 30a provided on one side surface of the storage box 30.

[0004]

However, according to the above control device, when wiring work is performed from the opening of the storage box,
There is a problem that each device in the control device is difficult to see, the wiring work is troublesome, and the working posture is difficult to take.

Accordingly, an object of the present invention is to provide a control device capable of easily performing a wiring operation.

[0006]

In order to achieve the above-mentioned object, a control device according to the present invention is a control device in which devices such as a power supply unit and various control circuit units are arranged in a storage box. The inside of the storage box is divided into a plurality of parts, drawer shelves that can be pulled out and stored from the opening in the front of the storage box are provided for each divided box part, and the respective devices are separately arranged on each drawer shelf. Each device is connected to each other by a connector that can be separated from each other, and an external connector for relaying input / output between an external device and a predetermined device is provided on a wall surface of the storage box.

Another control device according to the present invention is a control device in which respective devices such as a power supply unit and various control circuit units are arranged in a storage box. Drawer shelves that can be pulled out and stored from the opening on the front of the box are provided for each divided box part, the above devices are separately arranged on each drawer shelf, and between the devices, male and female detachable connectors Connect with
The drawer shelf is composed of a horizontal plate for fixing the device and a vertical plate erected at an end of the horizontal plate.
An external connector for relaying input and output between an external device and a predetermined device is provided, and a hole through which the external connector can be inserted is formed in the storage box.

In each of the above inventions, when performing the wiring work,
First, each drawer shelf is pulled out from the opening in the front of the storage box, and each device is connected to each other by a connector in a state where each device is separately arranged on each drawer shelf. Next, an external connector is connected to connect input / output between the external device to be controlled and the predetermined device, and the drawer shelf is stored in the divided box portion. Of course, the mounting and wiring work in each device is performed before placing it on the drawer shelf.

Therefore, since the wiring work and the mounting work are performed outside the storage box, the work can be performed quickly and easily. And still another control device of the present invention is:
A control device in which each device such as a power supply unit and various control circuit units is arranged in a storage box, wherein the storage box is divided into a plurality, and a drawer shelf that can be drawn out and stored through an opening in the front of the storage box. Provided for each divided box portion, the above devices are separately arranged on each drawer shelf, and a transmission path for signals and the like is provided across each divided box portion on the back side in the storage box. Are connected to each other by a connector that can be attached to and detached from the drawer on the drawer shelf, and an external connector that relays input / output between an external device and a predetermined device via the transmission path is provided on the wall surface of the storage box. It is characterized by having been provided.

In the above-mentioned invention, when performing wiring work, first, each drawer shelf is pulled out from the opening in the front of the storage box, and each device is separately arranged on each drawer shelf.
Each drawer shelf is stored in the divided box section. When the storage is completed, the devices are connected by a connector via a transmission path, and the connection between the external device to be controlled and the predetermined device is performed by relaying the external connector.

Therefore, the wiring work and the mounting work in each device can be performed outside the storage box, and the wiring work between the devices can be connected by the connector via the transmission path by storing the drawer shelf. And can be easily performed.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the control device 1 includes a power supply unit 2, various control circuit units 3, 4 and other devices arranged in a storage box 5. The storage box 5 has Step partition plate 6
To form a divided box portion 5A, and an opening 5b is formed on one side surface 5a of each divided box portion 5A.
Is provided.

A drawer shelf 7 which can be pulled out and stored through the opening 5b is provided for each of the divided box sections 5A. On each of these drawer shelves 7, the above devices are arranged by function. For example, the power supply unit 2 is arranged on the lower drawer shelf 7 and the middle drawer shelf 7
A high-current control unit 3 such as a driver for driving a motor is disposed thereon, and a low-current control unit 4 such as a CPU (Central Processing Unit) is disposed on the upper drawer shelf 7.

The power supply unit 2, the high-power control unit 3, and the low-power control unit 4 have connectors 8 that can be separated from each other on each drawer shelf 7 and in the vicinity of each device, and are connected in parallel via these connectors 8. Have been. Further, on the other side surface 5c opposite to the one side surface 5a of the division box portion 5A, an external connector 9 that can be separated from each other is provided on the lower wall surface. The external connector 9 has one end of the split box portion 5A connected in parallel to the upper connector 8 and the middle connector 8, and is also independently connected to the lower connector 8. Also, the other end outside the storage box 5 is
It is connected to an industrial machine (not shown). That is, the industrial machine and each device are separably connected to each other via the external connector 9 and the connector 8 at each stage.

As shown in FIGS. 2 and 3, in each of the divided box sections 5A, the one side face 5a and the other side face 5c are provided.
A guide rail 10 formed in a pair of left and right sides and having a substantially C-shaped cross section is provided below the left and right side surfaces 5d adjacent to the side surface 5d. A guide rail 1 is provided on the left and right side surfaces 5d.
0 Projection portion 10 having a cross-sectional C-shape projecting toward the inside
a is provided.

Guide members 11 are provided on both left and right sides of the drawer shelf 7 of each stage. The guide member 11 is provided with a vertical plate 1 which is a mounting surface for the drawer shelf 7.
1a and an upper horizontal plate 11b and a lower horizontal plate 11c projecting from the vertical plate 11a in the horizontal direction. The upper horizontal plate 11b and the lower horizontal plate 11c are used as sliding surfaces. , Guide member 11
Are configured to be slidable inside the guide rail 10. A leaf spring 12 is provided on the other side surface 5c of the vertical plate 11a so as to be able to contact the protruding portion 10a.
That is, the leaf spring 12 is formed in a convex shape,
The elastic member is provided with a fixed end 12a on the other side 5c and a free end 12b on one side 5a. When the free end 12b contacts the protruding portion 10a from one side surface 5a, the guide member 11, that is, the drawer shelf 7
Is configured to be locked while being pulled out from the division box portion 5A, and the lock can be released by pressing the free end 12b with a finger and pushing the drawer shelf 7 into the division box portion 5A.

Further, since the free end 12b comes into contact with the protruding portion 10a from the other side surface 5c, the guide member 11, that is, the drawer shelf 7 is prevented from dropping from the divided box portion 5A. By pulling the drawer shelf 7 from the divided box portion 5A by hand in the contact state, the free end 12b of the leaf spring 12 can be elastically deformed by the pressing force of the contacting protruding portion 10a. 7 is configured to be detachable from the division box portion 5A.

The operation of the first embodiment will be described below. According to the first embodiment, when performing the wiring work, first, each drawer shelf 7 is pulled out from the opening 5b of the divided box portion 5A (shown by the phantom line in FIG. 1), and the lower shelf Power supply unit 2 on drawer shelf 7
And the high-current control unit 3 is mounted and wired on the middle drawer shelf 7 and the low-current control unit 4 is mounted on the upper drawer shelf 7, respectively.

Next, the two guide members 11 attached to the drawer shelf 7 are inserted into the guide rails 10 to the position where the lock works, that is, the position where the free end 12b comes into contact with the protruding portion 10a from the side surface 5a side ( (Shown by a solid line in FIG. 3). In this state, the power supply unit 2, the high-current control unit 3, and the low-current control unit 4 are connected in parallel via the respective connectors 8. Further, one end of the split box portion 5A of the external connector 9 is connected in parallel to the upper connector 8 and the middle connector 8 and is also independently connected to the lower connector 8. Further, one end of the split box portion 5A of the external connector 9 is connected to the other end outside the storage box 5, and the industrial machine to be controlled and the power supply unit 2, the industrial machine and the strong electric control unit 3, The input / output connection of the industrial machine and the weak electric control unit 4 is performed. The lock mechanism is released by pressing the free end 12b of the leaf spring 12 provided on the guide member 11 with a finger, and the drawer shelf 7 is pushed into the divided box portion 5A and fixed with small screws (shown by a solid line in FIG. 1). I do. Of course, since the connectors 8 are provided in the vicinity of the openings 5b, the connection between the devices can be easily made after the drawer shelf 7 is pushed into the divided box portion 5A. Finally, by covering the opening 5b of the divided box portion 5A with a door, it is possible to prevent dust and dirt from entering the storage box 5 from the outside.

It is to be noted that the drawer shelf 7 is divided into the divided box portions 5A.
Even if the storage box 5 is tilted before being fixed to
Since the free end 12b of the leaf spring 12 comes into contact with the protruding portion 10a of the guide rail 10 (shown by the phantom line in FIG. 3), it is possible to prevent the drawer shelf 7 from falling off unexpectedly.

Next, a second embodiment of the present invention will be described with reference to the drawings. The same members as those in the above-described first embodiment are denoted by the same reference numerals and described. That is, as shown in FIG. 4, the control device 13 includes a power supply unit 2 and various control circuit units 3 and 4 and other devices arranged in a storage box 14. The two-stage partition plate 6 is divided into three parts to form a divided box part 14A. An opening part 14b is provided on one side surface 14a of the divided box part 14A, and on another side surface 14c opposite to the one side surface 14a. A plurality of holes (described below) are provided.

Drawer shelves 15 and 7 which can be pulled out and stored through the opening 14b are provided for each divided box portion 14A. Each of these drawer shelves 15,
7, the above devices are arranged by function. For example, the power supply unit 2 is arranged on the lower drawer shelf 15,
The high-current control unit 3 is arranged on the middle drawer shelf 15, and the low-current control unit 4 is arranged on the upper drawer shelf 7. These power supply unit 2, high-current control unit 3, and low-current control unit 4
On each of the drawer shelves 15 and 7 and in the vicinity of each device, there are provided connectors 8 which can be separated from each other, and are connected in series via these connectors 8.

As shown in FIGS. 4 and 5, the lower drawer shelf 15 and the middle drawer shelf 15 are provided with a horizontal plate 15a for fixing the equipment and an upright end on one side of the horizontal plate 15a. And a vertical plate 15b.
5b is provided with external connectors 9 which can be separated from each other. One end of the external connector 9 is connected to the lower connector 8 and the middle connector 8, respectively.
The other end is connected to an industrial machine. That is, the industrial machine and each device are separably connected to each other via the external connector 9 and the connector 8 at each stage.

Further, on the back side of the storage box 14, a hole 16 through which the external connector 9 can be inserted when the drawer shelf 15 is stored is formed. The vertical plate 1
A dustproof seal member 17 is provided along the outer edge on the back side of 5b. Other upper drawer shelf 7, guide rail 10, projecting portion 10a, guide member 11, leaf spring 12
Has a configuration similar to that of the first embodiment shown in FIGS.

The operation of the second embodiment will be described below. According to the second embodiment, when performing the wiring work, first, each drawer shelf 7, 15 is pulled out from the opening 14b on the front surface of the divided box portion 14A (shown by the phantom line in FIG. 4), and is placed in another place. , Lower drawer shelf 15
The power supply unit 2 is mounted thereon, the high-voltage control unit 3 is mounted on the middle drawer shelf 15, and the low-current control unit 4 is mounted and wired on the upper drawer shelf 7.

Next, the two guide members 11 attached to the drawer shelves 7 and 15 are moved to the position where the lock works inside the guide rail 10, that is, the free end 12b has one side surface 14a.
From the side until it comes into contact with the protrusion 10a (FIG. 3).
Is indicated by a solid line). In this state, the power supply unit 2 and the high voltage control unit 3
And the weak electric control unit 4 are connected in series via each connector 8. One end of the split box portion 14A of the external connector 9 is connected to the lower connector 8 and the middle connector 8, respectively. Furthermore, one end of the split box portion 14A of each external connector 9 is connected to the other end outside the storage box 14, so that the industrial machine to be controlled and the power supply unit 2 and the industrial machine and the strong current control unit 3 are connected. Make connections for each input and output.

Then, the lock mechanism is released by pressing the free end 12b of the leaf spring 12 provided on the guide member 11 with a finger, and each drawer shelf 7, 15 is pushed into the divided box portion 14A (shown by a solid line in FIG. 4). ) Secure with small screws.
Needless to say, since the connectors 8 are provided in the vicinity of the openings 14b, the connections between the devices can be easily made after the drawer shelves 7, 15 are pushed into the split box portion 14A.
Even if the storage box 14 is inclined before the drawer shelves 7 and 15 are fixed to the divided box portion 14A,
Since the free end 12b of the leaf spring 12 comes into contact with the protruding portion 10a of the guide rail 10 (shown by the phantom line in FIG. 3), it is possible to prevent the drawer shelves 7 and 15 from falling off unexpectedly. When the drawer shelf 15 is pushed into the split box portion 14A, the dustproof seal member 17 is
By compressing the gap between the storage box 5b and the storage box 14 to close the gap, and finally covering the opening 14b of the divided box portion 14A with a door, dust or dirt is prevented from entering the storage box 14 from the outside.

Next, a third embodiment of the present invention will be described with reference to the drawings. The same members as those in the above-described first embodiment are denoted by the same reference numerals and described. That is, as shown in FIG. 6, the control device 18 includes a power supply unit 2, various control circuit units 3 and 4, and other devices arranged in a storage box 19. The divided box portion 19A is formed by being divided into three by the two-stage partition plate 6, and an opening portion 19b is provided on one side surface 19a of the divided box portion 19A. Further, the other side surface 1 opposite to the one side surface 19a of the division box portion 19A
In 9c, an external connector 9 whose end on the external device side can be separated is provided on the lower wall surface.

The drawer shelf 20 which can be pulled out and stored through the opening 19b is divided into the divided box portions 19
A is provided for each A. On each of these drawer shelves 20,
Each of the above devices is arranged separately for each function. For example, the power supply unit 2 is arranged on the lower drawer shelf 20, the high-current control unit 3 is arranged on the middle drawer shelf 20, and the weak electric control unit 4 is arranged on the upper drawer shelf 20. .

On the back side of the storage box 19, a concave portion 21 is formed over each of the divided box portions 19A in the vertical direction, and a transmission plate 22 fitted into the concave portion 21 is provided therein. And a bus (a transmission path for signals and the like, more specifically, a transmission path for computer control signals and data, etc.) 22a. This bus 22
The connection is made by a connector (also referred to as a slot) 23 which can be attached and detached by a drawer of the drawer shelf 20 via a. That is, the connector 23 includes a male connector portion 23a provided on the vertical plate 20a of the drawer shelf 20 and a female connector portion 23b provided in close contact with the bus 22a in the divided box portion 19A. Connector part 23
b is always connected to the bus 22a. Further, one end of the external connector 9 is also connected to the bus 22a, and the other end of the external connector 9 is connected to an industrial machine. That is, the industrial machine and each device are separably connected to each other via the external connector 9, the bus 22a, and each connector 23. Other guide rails 10, protrusions 10a, guide members 11,
The leaf spring 12 has a configuration similar to that of the first embodiment shown in FIGS. The connector 23 also includes a multi-pin connector.

The operation of the third embodiment will be described below. According to the third embodiment, when performing the wiring work, first, each drawer shelf 20 is pulled out from the opening 19b on the front surface of the divided box portion 19A (shown by the phantom line in FIG. 6), and the lower stage is placed in another place. The power supply unit 2 is placed on the drawer shelf 20 and the high-voltage control unit 3 is placed on the middle drawer shelf 20.
Are mounted and wired on the upper drawer shelf 20, respectively.

Next, each drawer shelf 20 is stored in the divided box portion 19A. When the storage is completed, that is, in a state where the male connector portion 23a is connected to the female connector portion 23b, the respective devices are connected by the connector 23 via the bus 22a, and the industrial machine to be controlled and the predetermined device are externally connected. The connectors 9, the bus 22 a, and the connectors 23 are connected to each other.

Therefore, the wiring work and the mounting work in each device can be performed outside the storage box 30, and the wiring work between the devices can be connected without trouble by the connector 23 via the bus 22a by storing the drawer shelf 20. . Further, a connecting cable between the drawer shelves 20 becomes unnecessary, and the degree of freedom of design and change such as addition of input / output lines to each drawer shelf 20 and change of the size of the connector 23 is increased. All of these operations can be performed quickly and easily.

In the above embodiment, the male connector 23
a is provided on the vertical plate 20a of the drawer shelf 20, and the female connector portion 23b is connected to the bus 22a in the divided box portion 19A.
Are provided in close contact with each other.
b may be reversed.

In the above embodiments, the storage box 5,
Although the inside 14 is divided by a plurality of partition plates 6, this partition plate 6 may not be provided. In the above embodiments, the inside of the storage box is divided into three, but may be divided into two or four.

[0036]

According to the control device of the present invention, the mounting and wiring work in each device can be performed before being placed on the drawer shelf, and the wiring work between each device can be performed by the drawer shelf in the storage box. Withdrawal from or
Wiring work can be performed quickly and easily because the connection can be performed with a one-touch operation using a male / female detachable connector via a transmission path. Further, parts replacement and remodeling work in each device can be efficiently performed for each drawer shelf.

[Brief description of the drawings]

FIG. 1 is a sectional view of a control device according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a main part showing a guide rail and a guide member of the control device.

FIG. 3 is a partially cutaway sectional view showing a guide rail and a guide member of the control device.

FIG. 4 is a sectional view of a control device according to a second embodiment of the present invention.

FIG. 5 is a partially cutaway perspective view showing a hole of a drawer shelf and a storage box of the control device.

FIG. 6 is a sectional view of a control device according to a third embodiment of the present invention.

FIG. 7 shows a conventional example and is a cross-sectional view of a control device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Control apparatus 2 Power supply part 3 High-current control part 4 Low-current control part 5 Storage box 5A Dividing box part 5b Opening 7 Drawer shelf 8 Connector 9 External connector 13 Controller 14 Storage box 14A Division box part 14b Opening 15 Drawer shelf 15a Horizontal Plate 15b Vertical plate 16 Hole 18 Control device 19 Storage box 19A Dividing box 19b Opening 20 Drawer shelf 22a Bus 23 Connector

Claims (3)

[Claims] 1. A control device in which respective devices such as a power supply unit and various control circuit units are arranged in a storage box, wherein the storage box is divided into a plurality of parts, and the storage box is drawn out from an opening in the front of the storage box. Flexible drawer shelves are provided for each of the divided box sections, and the above devices are separately arranged on the drawer shelves, and the respective devices are connected to each other by connectors that can be separated from each other, so that an external device and a predetermined device are connected. A control device characterized in that an external connector for relaying input / output with the storage box is provided on a wall surface of the storage box. 2. A control device in which respective devices such as a power supply unit and various control circuit units are arranged in a storage box, wherein the storage box is divided into a plurality of parts, and the storage box is pulled out from a front opening of the storage box. A free drawer shelf is provided for each of the divided box sections, and the above devices are separately arranged on the drawer shelves, and the respective devices are connected by male and female detachable connectors. A horizontal plate for fixing the device, and a vertical plate erected at an end of the horizontal plate, and the vertical plate is provided with an external connector for relaying input / output between an external device and a predetermined device. A control device, wherein a hole through which an external connector can be inserted is formed in the storage box. 3. A control device in which respective devices such as a power supply unit and various control circuit units are arranged in a storage box, wherein the storage box is divided into a plurality of parts, and the storage box is drawn out and stored through an opening in the front of the storage box. A free drawer shelf is provided for each of the divided box sections, and the above devices are separately arranged on each drawer shelf, and a transmission path for signals and the like is provided across each of the divided box sections on the back side in the storage box. An external connector for connecting each device via this transmission path with a connector that can be attached and detached by pulling out a drawer shelf between male and female, and relaying input / output between an external device and a predetermined device via the transmission path. A control device provided on a wall surface of a storage box.