JPH03143203A - Electrical pipe shaft structure - Google Patents

Abstract

PURPOSE:To save space by forming a slender compartment along the wall surface of a path, installing a door on the front side of the compartment and arranging power distribution equipments into the compartment in a row. CONSTITUTION:A compartment 12 is composed of a fireproof compartment 14, which is mounted on one side and the whole circumference of which is formed in fire-resistant structure, and a normal compartment 16 continuing to the side of the compartment 14 and having normal structure, and doors 18 are set up on the front sides of these compartments 14, 16 respectively. When various power distribution and control equipments such as a distribution board 7 for a receptacle disposed into the compartment 12 are inspected, a path can be utilized as space for inspection when the door 18 fitted on the front side of the equipment is opened, thus eliminating the need for the particular formation of the space for inspection.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to an electric pipe shaft structure, and in particular to various electrical distribution devices disposed inside the structure.

It relates to a structure with a devised arrangement of control equipment.

(Conventional technology) The electric pipe shaft structure adopted in recent office buildings such as intelligent buildings is used to install power distribution boards, relay terminal boards for communication equipment, etc. at the same location on each floor of the building. Provide a compartmentalized space where control equipment is stored,
These divided spaces are connected in the vertical direction of the building.

The cross-sectional area of the electric pipe shaft structure in this type of structure is generally set at a fixed ratio to the floor area of the building, and in modern steel structures, it is necessary to construct spaces with large spans. It is often installed in a common area of a building facing a walkway, along with toilets and kettle rooms.

Further, since it is desirable for the electric pipe shaft structure to be located as close to the load as possible for wiring reasons, multiple electrical pipe shaft structures may be provided in cases where the floor area of a building is large.

By the way, this type of electrical pipe shaft structure usually includes a branch transformer, an outlet, and a distribution board for electric lights.1 A relay terminal board for communication equipment.

Cable racks and the like are housed therein, but for example, branch transformers with a rated rating or higher are required to be installed within a separate fireproof structure from the perspective of disaster prevention.

Therefore, conventionally, an electric pipe shaft structure as shown in FIG. 4 has been generally adopted.

The pipe shaft structure shown in the figure is surrounded on all four sides by a wall 1 of fireproof construction, and also forms a compartment 2 with a floor and ceiling each made of fireproof construction, and a part of the wall 1 is provided with an opening/closing door 3. A branch transformer 41, a heavy power cable rack 5°, and a distribution board 6 for electric lights are provided along one wall surface of the wall 1. Distribution board for outlets 7. Air conditioning branch panels 8 are arranged in a row, and along the other wall surface of the wall 1, a cable rack 9 for light electricity and a communication relay terminal board 10 such as a LAN node telephone terminal, a TV outlet board, etc. are arranged in a row. ing.

However, the electric pipe shaft structure having such a configuration has the following technical problems.

(Problem to be Solved by the Invention) In other words, in the electric pipe shaft structure shown in FIG. Since a space for inspection was required, space was wasted.

Particularly, when the electric pipe shaft structure is installed in multiple locations, wasted space becomes larger.

Furthermore, in the above-mentioned electric pipe shaft structure, the entire circumference of the compartment 2 is made fireproof, so fireproof measures are required to take out wiring materials such as various cables for wiring. It was difficult to remove the wiring material.

This invention was made in view of these conventional problems, and its purpose is to eliminate wasted space as much as possible, save space, and reduce cables, etc. To provide an electric pipe shaft structure from which wiring materials can be easily taken out.

(Means for Solving the Problems) In order to achieve the above object, the present invention provides a branch transformer,
Distribution board for outlets and lights 1 In the electrical pipe shaft where various power distribution and control equipment such as relay terminal boards for communication equipment and cable racks are located, a long and narrow compartment is formed along the wall of the passageway. , an opening/closing door is provided on the front side of the compartment, and the power distribution equipment is arranged in a line within the compartment.

A fireproof compartment having a fireproof structure may be provided in a part of the compartment.

Further, the power distribution and control equipment may be arranged in two rows within the compartment, and the power distribution and control equipment on the front side may be movably installed.

(Operations and Effects of the Invention) According to the electric pipe shaft structure having the above configuration, various electrical distributions arranged within the compartment.

When inspecting the control equipment, by opening the opening/closing door provided on the front side of the control equipment, the passageway can be used as an inspection space, eliminating wasted space.

In this case, since inspections of power distribution and control equipment are usually carried out at night when no one is around, there is no problem in using the passage as a space for inspection.

In addition, fireproofing can be installed in a part of the compartment as needed, so even if wiring materials such as cables are removed from the compartment, there is no need to take fireproofing measures for all of them. It can be taken out easily.

In addition, power distribution and control equipment are arranged in two rows within the compartment.
Moreover, if the equipment on the front side is movably installed, it becomes possible to further save space.

(Embodiments) Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In the following description, the same reference numerals are used for parts that are the same as or correspond to those in the conventional example described above.

FIG. 1 shows a first embodiment of an electric pipe shaft structure according to the present invention.

In the pipe shaft structure shown in the figure, an elongated compartment 12 is formed along the wall of the passageway and has a width slightly larger than the largest width of the electrical distribution and control equipment housed inside. There is.

This compartment 12 is composed of a fireproof compartment 14 provided at one end and having a fire-resistant construction all around, and a normal compartment 6 of a normal structure connected to the side thereof, and these compartments 14
．． An opening/closing door 18 is provided on the front side of each of the opening/closing doors 16 .

Inside the fireproof compartment 12, devices that require disaster prevention measures, such as a branch transformer 4 with a certain rating or higher and an uninterruptible power supply, are housed.

Inside the normal compartment 16, in order from the fire prevention compartment 14 side, there is a power outlet distribution panel 71, a cable rack for malfunctioning power, 5. Electric light distribution board6. Air conditioning branch panel 81 High power cable rack 5
1. A relay terminal board 10 for communication equipment, and a pair of cable racks 9.9 for low electrical power are arranged in a row.

The cable rack 5.9 for heavy electricity or light electricity is installed so as to pass through a pipe shaft structure that extends vertically in a building, and is used to steady the main cable whose upper end is supported on the building side. A through hole] 9 for passing the trunk cable is bored in the floor near the hole.

In the electric pipe shaft structure that adopts the above arrangement, when inspecting various power distribution and control devices such as the power distribution board 7 for outlets placed in the compartment 12, it is necessary to If the opening/closing door] 8 is opened, the passage can be used as a space for inspection, so there is no need to provide a special space for inspection.

According to the inventors' calculations, the structure shown in Fig. 1 requires about 65% of the area compared to the conventional example shown in Fig. 4, and can significantly reduce wasted space. This effect becomes more pronounced when the shaft structures are located on the same floor.

In addition, since the fireproof structure is provided only in the fireproof compartment 14 where equipment requiring disaster prevention is housed, costs can be reduced, and cables and other wiring can be routed from the normal compartment 16, which does not require a fireproof structure. Materials can be easily removed.

Furthermore, with regard to the normal compartment 16, there is no need to take disaster prevention into consideration so strictly, for example, if openings are provided in the opening/closing door 18 and the ceiling surface, the conditioned air from the aisle side can be brought into the compartment 16. can be discharged to the ceiling.
Ventilation within the compartment 16 can also be easily performed.

FIG. 2 shows a second embodiment of the invention, and only its features will be described below.

In the electric pipe shaft structure shown in the figure, a fireproof compartment 14 having a fireproof structure is installed in the center of the compartment 12,
A pair of first and second normal compartments 16a, 1 on both sides thereof.
6b is provided.

The first normal compartment 16a IJiJ has a pair of cable racks for light electrical power and a relay terminal board 1 for the communication equipment crosspiece.
0 is arranged, and a heavy-duty cable rack 5.0 is arranged in the second normal compartment 16b. A power distribution board 7° for electrical outlets and a power distribution board 6 for electric lights are installed.

With the structure configured in this way, it is possible to separate equipment for heavy electricity use and equipment for light electricity use in the fireproof compartment 14, so in addition to the above-mentioned effects, in particular, the power supply of the communication equipment connected to the relay terminal board 10 can be separated. Noise can be reduced.

FIG. 3 shows a third embodiment of the present invention, and only its features will be described below.

In the embodiment shown in the figure, the compartment 12 is composed of a fireproof compartment 14 and a normal compartment 16, similar to the embodiment shown in FIG.

Inside the normal compartment 16, cable racks 5 and 9 for heavy and light electricity are arranged in a row along the back wall, and on the front side there is a power distribution board for lights 6°, a power distribution board for outlets 7. The air conditioning branch boards 8 are arranged in a row, and the light distribution board 6 on the front row side is housed in a frame 30 so that equipment on the back side can be inspected, and a rotating shaft is provided at a position eccentric to the side. It is configured to be rotatable.

In addition, as a configuration for making it possible to inspect the equipment on the back side, the equipment on the front row side may be made to be able to be moved horizontally or vertically.

If such a configuration is adopted, the required area will be approximately 41% of that of the conventional example shown in FIG. 4, resulting in a greater space-saving effect.

In addition, in the above embodiment, the electric light distribution board 6 is used as a general item disposed within the electric pipe shaft structure.
Although examples have been given, it is of course possible to install devices other than those shown in the embodiments.

Moreover, the branch transformer 4 and the like installed in the fire protection compartment 14 are not necessarily required depending on the scale and power distribution system of the building, so the fire protection compartment 14 may be installed as necessary.

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram showing a first embodiment of the electric pipe shaft structure according to the present invention, Fig. 2 is an explanatory diagram showing a second embodiment of the same structure, and Fig. 3 is an explanatory diagram showing a third embodiment of the same structure. FIG. 4 is an explanatory diagram showing a conventional example of the same structure. 1 4... Branch transformer 5... Cable rack for heavy power 6... Distribution board for electric lights 7... Distribution board for outlets 8... ... Air conditioning branch panel 9 ... Cable rack for light electricity 10 ... Relay terminal board 12 ... Compartment room 14 ... Fire protection compartment room 16 ... Normal compartment room 18 ... Opening/closing door

Claims (3)

[Claims] (1) In electrical pipe shafts where various power distribution and control equipment such as branch transformers, power outlets and distribution boards for electric lights, relay terminal boards for communication equipment, cable racks, etc. An electric pipe shaft structure characterized in that a compartment is formed, an opening/closing door is provided on the front side of the compartment, and the power distribution equipment is arranged in a line inside the compartment. (2) The electric pipe shaft according to claim 1, wherein the compartment has a fireproof compartment having a fireproof structure in a part thereof. (3) An electric pipe shaft structure characterized in that the power distribution and control devices are arranged in two rows in the compartment, and the power distribution and control devices on the front side are movably installed.