JPH04295207A - Distribution board - Google Patents

Abstract

PURPOSE:To provide a distribution board in which a cable rack serves as the housing of the distribution board to facilitate installation work and internal connection can be made without drawing around wires held on the cable rack to facilitate wiring work. CONSTITUTION:Fixing bases 5 having U-shaped cross-section are arranged for respective lateral frames 1B... of a cable rack 1 in the longitudinal direction thereof. Fixing legs 6 fixed to the rear of a machine fixing board 4 are mounted on both fixing bases 5 thus bridging the fixing bases 5 with the machine fixing board 4. The space between the fixing bases 5 on the rear of the machine fixing board 4 provides a wiring space for wiring interconnecting the components in the distribution board or other wiring cables 7.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distribution panel.

0002

[Prior Art] Conventionally, when installing in a building etc., Fig. 2
As shown in FIG. 1, cables are wired in an electrical room using a cable rack 1, and are led into a distribution board 2 sealed with a box for power distribution.

0003

[Problem to be Solved by the Invention] Therefore, it is necessary to form a large number of wiring holes in the box of the distribution board 2, and
There was a problem in that the installation of a box was also necessary, and the workability was poor. The present invention was made in view of the above-mentioned problems, and its purpose is to allow the cable rack to substitute for the box of the distribution board, to simplify the installation work, and to allow the cable rack to be held in the cable rack. Internal equipment connections can be made without running wires,
To provide a distribution board that facilitates wiring work.

0004

[Means for Solving the Problems] In order to achieve the above-mentioned object, the invention as claimed in claim 1 provides a cable rack for holding wiring cables and a circuit interrupter in which a plurality of horizontal frames are bridged over a pair of vertical frames. It consists of an equipment mounting plate that is attached to the cable rack to which an internal device such as a container is attached, and a surface plate that covers the internal device.

According to a second aspect of the invention, in the first aspect of the invention, a wiring space is formed between the equipment mounting plate and the horizontal frame. The invention according to claim 3 is the invention according to claim 1, in which the device mounting plate is held on the vertical frame. The invention described in claim 4 is defined as claim 1.
In the invention described above, an internal device wiring partition board is installed between the pair of vertical frames, and the device mounting plate is installed between the internal device wiring partition board and one of the vertical frames, and the internal device wiring space is The space between the internal wiring partition board and the other vertical frame is used as a wiring space for wiring cables.

[0006]

[Function] According to the present invention, a cable rack is provided in which a pair of vertical frames are bridged by a plurality of horizontal frames to hold a wiring cable, and an internal device such as a circuit breaker is attached to the cable rack. Since the equipment mounting plate and the surface plate that covers the internal components are attached, the cable rack can replace the box for the distribution board, eliminating the need to install a box. In addition, the connection wiring between the internal device attached to the device mounting plate and the cable does not require the routing of electric wires to be drawn into the case, which simplifies the wiring work.

[0007]

[Examples] The present invention will be explained below with reference to Examples. (Example 1) Figure 1 shows a pair of vertical frames 1A of a cable rack 1.
, 1A in the width direction is used as a space for mounting a device mounting plate 4 to which an internal device 3 such as a main circuit breaker, a branch circuit breaker, or a relay is attached. Horizontal frame 1B of cable rack 1 on both sides of the space.
...as shown in Figures 2 and 3, the cable rack 1
A mounting base 5 having a U-shaped cross section is provided in the longitudinal direction of each of the mounting bases 5, and mounting legs 6 provided on the back side of the equipment mounting plate 4 are placed and fixed on the mounting bases 5 on both sides, and the equipment is mounted between the mounting bases 4 on both sides. It bridges plate 4.

The necessary number of equipment mounting plates 4 are installed in accordance with the number of internal units 3 that need to be installed as a distribution board, and the space between the mounting stands 5 on both sides on the back side of the equipment mounting plate 4 is used as a distribution board. This space serves as a wiring space for a wiring cable 7 used for connection to the internal unit 3 or for other wiring. As mentioned above, the surface plate 8 provided with the window hole that exposes the operation handle of the internal device 3, the display section, etc. on the surface of the device mounting plate 4 attached to the horizontal frame 1B is installed so as to cover the internal device 3. Place the surface plate 8
By fixing the fixing legs 9 provided on both sides of the back side of the cable rack 1 to the surface of the vertical frame 1A on both sides of the cable rack 1, and fixing the top protection plate 10 for blocking the upper end opening of the distribution board section to the horizontal frame 1B, The electricity distribution board of the example is completed.

Furthermore, on the horizontal frame 1B at the upper end of the distribution board part, there is a line entry device 11 for entering the wiring cable 7 into the electricity distribution board part.
is attached. Further, the surface plate 8 may be fixed to the inner device 3 without using the fixed legs 9. (Example 2) In the above-mentioned Example 1, a wiring space for the wiring cable 7 was provided on the back side of the equipment mounting plate 4.
As shown in FIG. 5, the trunk wiring cable may be routed using another adjacent cable rack 1.

[0010] In order to secure the wiring space in this manner, as shown in Fig. 6, the equipment mounting plate 4 is arranged and fixed on the mounting base 5' attached to the horizontal frame 1B, and the surface plate 8 is fixed. It may be directly fixed to the vertical frames 1A on both sides without using the legs 9, and the depth of the distribution board may be approximately the same as the depth of the vertical frames 1A of the cable rack 1. (Embodiment 3) In the above embodiment 1, the mounting position of the equipment mounting plate 4 is within the depth dimension of the vertical frame 1A of the cable rack 1, but in this embodiment, as shown in FIGS. Directly fix both sides of the back side of the equipment mounting plate 4 to the surface of the vertical frame 1A,
The entire space inside the cable rack 1 is secured as a wiring space.

That is, in this embodiment, the cable rack 1
The U-shaped side fittings 20 are fitted into the upper, middle, and lower parts of the outer surface of the vertical frame 1A on both sides, respectively, and fixed with bolts and nuts, and between the pair of side fittings 20 on both sides The horizontal frame 21 is passed and fixed with bolts, and the inner sole base 22 is fixed on this horizontal frame 21.
A device mounting plate 4 is attached on top of the device mounting plate 2.

That is, two mounting bases 5' are fixed in parallel to the surface of the inner base 24, and the equipment mounting plate 4 is passed between the mounting bases 5', and the equipment mounting plate 4 is attached to the mounting base 5' with bolts. It is fixed at Wiring ducts 23 are disposed on the step planes on both sides of the midsole base 22, and the wiring ducts 23 enable wiring within the distribution board section.

Further, hinges 25 are provided on both side edges of the midsole base 22, respectively, to which the lower ends of the vertical pieces 24A of the protective cover 24 having an inverted L-shaped cross section are pivotally connected to open and close them. Protective cover 24
is a fixing screw that is screwed into the fixing screw portion 26 provided on the mounting base 5' from the surface of the horizontal piece 24B in a state in which the horizontal piece 24B is rotated parallel to the inner sole base 22 as shown in the figure. 27 can be fixed, and the horizontal pieces 24B of the protective cover 24 on both sides and the horizontal pieces 24B on both sides
In between, a surface cover 28 is disposed to cover a part of the internal device 3 attached to the device mounting plate 4, and the surface plate 8 is constituted by the surface cover 28. Further, the vertical piece 24A of the protective cover 24 serves as a cover that covers the side surface of the distribution board.

Further, a top protection plate 29 and a bottom plate 30 are fixed to the upper and lower ends of the inner sole base 22, respectively, and the upper and lower ends of the front cover 28 are mounted on the surfaces of the top protection plate 29 and the bottom plate 30, respectively. are doing. Thus, in this embodiment, the space inside the cable rack 1 surrounded by the cable rack 1 attached to the wall surface X and the midsole base becomes the wiring space for the trunk wiring cable.

When wiring inside the distribution board, remove the fixing screws 27 and pull the protective cover 24 to the side.
By rotating 0 degrees and opening the area from the internal unit 3 to the area where the wiring duct 23 is provided, wiring work can be easily performed. The surface cover 28 may be fixed to the internal device 3 or may be fixed to the horizontal frame 21 or the horizontal frame 1B using fixed legs.

(Embodiment 4) In the above embodiments 1 to 3, the entire space between the vertical frames 1A and 1A on both sides of the cable rack 1 is used as the installation space for the distribution board, but as shown in FIGS. 10 to 12, When a wide cable rack 1 is used, a wiring space for the trunk wiring cable 7 can be secured on the side of the distribution board installation space.

In the case of this embodiment, in order to separate the wiring space for the trunk wiring cable 7 from the wiring space for the distribution board, an internal wiring division board 11 is installed at the boundary between the two spaces. , this internal wiring division board 11 is fixed to the horizontal frame 1B. As shown in FIG. 11, the surface plate 8 is fixed on one side to the surface of the vertical frame 1A of the cable rack 1 using fixing legs 9, and on the other side is fixed to the surface of the internal equipment wiring division board 11. It covers 3.

The equipment mounting plate 4 is directly fixed to the horizontal frame 1B by mounting legs 6. As the internal device wiring division board 11, a wiring duct 12 having a rectangular cross section may be used as shown in FIG. The inner container 3 is covered by fixing both back surfaces of the front plate 8 to the surface of the inner container 3.

Further, as shown in FIG. 14, the equipment mounting plate 4 is directly mounted on the mounting base 5' of the horizontal frame 1B, and the top plate 8 is mounted on the vertical frame 1B.
A and the internal wiring division board 11 may be directly attached. (Example 5) Each of the above embodiments was an example of a serial type distribution board, but as shown in FIGS. 15 and 16, a double type distribution board was constructed using two parallel cable racks 1. Another cable rack 1 may be provided on the side of the cable rack 1 in which these distribution boards are arranged, and this cable rack 1 is used as a wiring space for the trunk wiring cable 7.

Of course, a cover 14 may be arranged between the front plates 8 on both sides as shown in FIG. 17, and the opening on the side surface extending outside the cable rack 1 may be covered with the cover 13. (Embodiment 6) In each of the above embodiments, the components of the distribution board were attached to the cable rack 1, but in this embodiment, as shown in FIG.
The device mounting plate 4 is fixed in the protective frame 16 with the vertical axis 16 b, and the surface plate 8 is attached to the opening on the surface side of the protective frame 16 so as to cover the internal device 3 attached to the device mounting plate 4. The electrical panel unit 15 is assembled in advance, and the hooks 17 provided at the four corners of the back side of the frame 16a of the protective frame 16 of the electrical panel unit 15 are attached to the horizontal frame 1B of the cable rack 1 as shown in FIGS. 19 and 20. By hooking and locking the cable rack 1
The distribution board unit 1 is fixed between the vertical frames 1A.

In this embodiment, the distribution panel unit 15 can be easily attached to and detached from the cable rack 1 by using the hooks 17.

[0022]

Effects of the Invention The invention as claimed in claim 1 provides a cable rack in which a plurality of horizontal frames are bridged over a pair of vertical frames, and a cable rack for holding wiring cables and an internal device such as a circuit breaker are attached to the cable rack. Since it consists of an equipment mounting plate to be installed and a surface plate that covers the internal components, the cable rack can replace the box for the distribution board, eliminating the need for a conventional box. When performing connection wiring between the attached internal unit and the cable, there is no need to route the wiring cable to draw it into the box as in the conventional case, which has the effect of simplifying the wiring work.

[0023] Furthermore, in the invention as set forth in claim 2, since a wiring space is formed between the equipment mounting plate and the horizontal frame, the wiring space for the wiring cable can be taken without wasting it, and the wiring to the distribution board can be made in the shortest possible length. There is an effect that it can be done. In the invention according to claim 3, since the equipment mounting plate is held on the vertical frame,
Wiring space can be taken up throughout the cable rack.

Furthermore, the invention as set forth in claim 4 is characterized in that an internal wiring division board is installed between the pair of vertical frames, and the equipment mounting plate is installed between this internal wiring division board and one of the vertical frames. Since the space between the internal wiring division board and the other vertical frame is used as the wiring space for the wiring cables, the wiring space for the trunk wiring cables can be separated in one cable rack. It can be installed in parallel with the electrical panel.

[Brief explanation of drawings]

FIG. 1 is a sectional view of a main part of Example 1 of the present invention.

FIG. 2 is a front view of Example 1 of the present invention.

FIG. 3 is a partially omitted perspective view of Embodiment 1 of the present invention.

FIG. 4 is a partially omitted perspective view of Embodiment 2 of the present invention.

FIG. 5 is a sectional view of a main part of Example 2 of the present invention.

FIG. 6 is a sectional view of a main part of another example of Embodiment 2 of the present invention.

FIG. 7 is a front view of Example 3 of the present invention.

FIG. 8 is a partially cutaway side view of Embodiment 3 of the present invention.

FIG. 9 is a sectional view of a main part of Example 3 of the present invention.

FIG. 10 is a front view of Example 4 of the present invention.

FIG. 11 is a sectional view of a main part of Example 4 of the present invention.

FIG. 12 is a partially omitted perspective view of Embodiment 4 of the present invention.

FIG. 13 is a sectional view of a main part of another example of Embodiment 4 of the present invention.

FIG. 14 is a sectional view of a main part of another example of Embodiment 4 of the present invention.

FIG. 15 is a partially omitted perspective view of Embodiment 5 of the present invention.

FIG. 16 is a sectional view of a main part of Example 5 of the present invention.

FIG. 17 is a sectional view of a main part of another example of Embodiment 5 of the present invention.

FIG. 18 is a partially omitted perspective view of Embodiment 6 of the present invention.

FIG. 19 is a perspective view of a distribution board unit according to a sixth embodiment of the present invention.

FIG. 20 is a sectional view of a main part of Example 6 of the present invention.

FIG. 21 is a partially omitted perspective view of a conventional example.

[Explanation of symbols]

1 Cable rack 1A Vertical frame 1B Horizontal frame ３　　　　　　　　Internal device 4 Equipment mounting plate 5 Mounting base 6 Mounting legs 7 Wiring cable 8　　　　　　　　　　Surface plate 9 Fixed legs

Claims (4)

[Claims] 1. A cable rack in which a plurality of horizontal frames are bridged over a pair of vertical frames to hold wiring cables, and a device mounting plate to be attached to the cable rack to which an internal device such as a circuit breaker is attached. A distribution board comprising: a surface plate that covers the internal device. 2. The distribution board according to claim 1, wherein a wiring space is formed between the equipment mounting plate and the horizontal frame. 3. The distribution board according to claim 1, wherein the equipment mounting plate is held by the vertical frame. 4. An internal device wiring partition board is installed between the pair of vertical frames, and the device mounting plate is installed between the internal device wiring partition board and one of the vertical frames, and the internal device wiring space is secured. 2. The distribution board according to claim 1, wherein a space between the internal wiring partition board and the other vertical frame is used as a wiring space for a wiring cable.