WO2022180689A1

WO2022180689A1 - Wiring duct

Info

Publication number: WO2022180689A1
Application number: PCT/JP2021/006878
Authority: WO
Inventors: 友美長尾; 美永子原
Original assignee: 日本電信電話株式会社
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2022-09-01

Abstract

Wiring ducts (1, 3), each of which is installed below an upper floor (30) of a double floor structure, while being provided with a plurality of partitions (12), wherein one cable (2) is laid in each recess that is constituted by two adjacent partitions.

Description

Wiring duct

The present invention belongs to the technical field related to cable wiring for information communication devices in data centers and the like.

In data centers, etc., a raised floor is sometimes used, and communication cables and power cables for information communication equipment are laid in the underfloor space (Patent Document 1). In particular, in the case of communication cables, new laying and removal work is required in accordance with the addition or reduction of information communication devices. In the following explanation, the structure of the entire double floor including the support members is called a double floor or a double floor structure, the upper floor of the double floor is called the upper floor, and the lower floor (support members are supporting floor) is called a slab floor.

In order to ensure workability during installation and removal, it is conceivable, for example, to separate the space inside the double floor into a communication cable wiring space and a power cable wiring space.

Japanese Patent Publication No. 6-50924

In data centers that have been used for many years, communication cables are often piled up. For this reason, when removing an information communication device that is no longer needed and which was installed in the initial stage in many cases, the corresponding communication cable is often buried in the lower part. In this case, it becomes difficult to remove unnecessary communication cables, and they may be left unattended, aggravating the situation.

However, the technology for separating the installation space for communication cables and power cables as described above does not solve the above problem in the space where communication cables are installed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and it is an object of the present invention to provide a technique that enables easy laying and removal of cables installed under the upper floor in a double floor structure. do.

According to the disclosed technique, a wiring duct installed under an upper floor in a double-floor structure,
A wiring duct is provided which comprises a plurality of partitions, with one cable being laid in each recess formed by two adjacent partitions.

According to the disclosed technique, a technique is provided that makes it possible to easily lay and remove cables installed under the upper floor in a double-floor structure.

It is a figure which shows the structural example of a machine room. It is a figure which shows the structural example of a wiring duct. It is a sectional view of a wiring duct. FIG. 4 is a cross-sectional view of a wiring duct in which cables are laid; FIG. 4 is a cross-sectional view of a wiring duct having an L-shaped portion; FIG. 4 is a cross-sectional view of stacked wiring ducts; Wiring duct for corners. It is the figure which looked at the floor of the machine room from the top. It is a figure which shows the wiring duct which classified by color.

Embodiments of the present invention will be described below with reference to the drawings. The embodiments described below are merely examples, and embodiments to which the present invention is applied are not limited to the following embodiments.

(Overview of Embodiment)
In this embodiment, in order to facilitate the laying and removal of the cables installed under the upper floor of the double floor structure, partitions for laying cables one by one under the upper floor of the double floor structure is provided with a wiring duct.

(Example of machine room)
Before describing the structure of the wiring duct in this embodiment in detail, first, with reference to FIG. do. However, the machine room explained here is an example. The wiring duct in this embodiment may be used in any place.

In the example shown in Fig. 1, the information communication equipment mounted on the rack is cooled by cold air blown from an air conditioner installed in a machine room with a double floor. A cable laid in a wiring duct is wired from the information communication equipment. In this embodiment, information communication equipment is assumed as a device to which cables laid in wiring ducts are wired, but devices to which cables laid in wiring ducts are wired are other than information communication equipment. It may be a device.

In the example shown in FIG. 1, a row of racks 20 on which information communication equipment to be cooled is mounted is installed on an upper floor 30 with many small holes.

Also, an air conditioner 100 is installed as shown. The air conditioner 100 blows cold air into the double floor in a direction parallel to the front of the rack and parallel to the slab floor, labeled "rack front". Note that the cables extend from the rear surface of the rack.

As shown in FIG. 1, cold air 40 output from the air conditioner 100 flows through the double floor while weakening as the distance from the air conditioner 100 increases, and passes through small holes in the upper floor 30 as cold air 50. climb. The cold air 50 is sucked to the front surface of the rack, cools the information communication equipment in the rack 20, and is discharged from the rear surface of the rack as high-temperature exhaust air 60. - 特許庁The exhaust air 60 is returned to the air conditioner 10 .

(Example of wiring duct structure)
Next, a structural example of the wiring duct in this embodiment will be described. The wiring duct in this embodiment is installed, for example, on the slab floor under the upper floor in the double floor. However, this is an example and the wiring duct may be placed anywhere between the upper floor and the slab floor in the double floor.

FIG. 2 shows an example of the overall structure of the wiring duct 1. As shown in FIG. 2, the wiring duct 1 has a concave-convex shape, and a cable is laid in the concave portion. A cable is, for example, a cable wired to information communication equipment mounted on a rack. The cable may be a communication cable or a power cable. The wiring duct 1 may be made of any material as long as it is a nonflammable material and a cable can be installed.

3 is a cross-sectional view of the wiring duct 1. FIG. This section is taken along a plane perpendicular to the direction in which the cable is laid.

FIG. 4 is a cross-sectional view of the wiring duct 1 with the cable 2 laid thereon. As shown in FIG. 4, one cable 2 is laid in each recess formed by two adjacent partitions. In addition, "one cable" may be a cable that is regarded as one cable by bundling a plurality of cables.

As shown in FIG. 4, the cable 2 is laid on the bottom plate 11 between adjacent side walls 12 (which may also be called "partitions") in the wiring duct 1 .

<L-shaped part>
FIG. 5 also shows a cross section of the wiring duct 1. As shown in FIG. In the wiring duct 1 shown in FIG. 5, the upper portions 13 at both ends in the width direction (direction perpendicular to the cable laying direction) of the wiring duct 1 are L-shaped (reverse L-shaped is also called "L-shaped"). to). That is, an L-shaped portion is provided.

By making the upper portions 13 at both ends of the wiring duct 1 L-shaped in this way, as shown in FIG. More cables can be laid.

In the example of FIG. 6, the wiring duct 1-1 is arranged so that the ends of the bottom portion of the wiring duct 1-2 fit into the L-shaped structure portions of the upper portions 13 on both sides of the wiring duct 1-1. The wiring duct 1-2 is piled up on the . Although FIG. 6 shows an example in which wiring ducts are stacked in two stages, the number of stacked wiring ducts is not limited to two, and may be three or more. For example, it may be 3, 4, or 5.

<Example of curved structure>
The wiring duct in the present embodiment is not limited to a shape in which the cable is laid in a straight line as shown in FIG. 2, and may be shaped so that the cable is laid in a curved line.

For example, the shape shown in FIG. 7 may be used. FIG. 7 shows a wiring duct 3 for corners. As shown in FIG. 7, by combining the curved wiring duct 3 and the straight wiring duct 1, it is possible to construct a laying route for the cable 2 that changes the laying direction by 90 degrees. . Also, the wiring ducts 3 for corners may be stacked by providing the L-shaped portion shown in FIG.

<Floor configuration example>
FIG. 8 is a top view of the floor 5 (machine room) where the

wiring ducts

1 and 3 are installed on the floor 5 (machine room) where four rows of racks 4 containing information communication equipment are arranged. Originally, the

wiring ducts

1 and 3 are installed under the upper floor in the double-floor structure, so when viewed from above, they are hidden behind the upper floor, but they are shown so as to be visible for convenience. Communication cables to be wired to a plurality of information communication devices are laid in the

wiring ducts

1 and 3 . Note that the

wiring ducts

1 and 3 that can be seen from above may be the wiring ducts at the uppermost level among the plurality of levels of wiring ducts.

On the floor 5, the wiring duct 1 is installed from the exit 6 in the floor of the communication cable. In the example of FIG. 8, a straight wiring duct 1 is installed in a direction perpendicular to the row direction of each rack row 4, and the corner wiring duct 3 and the wiring duct 1 are connected and installed parallel to the rack rows. The wiring duct 1 is connected to the wiring duct 3 for the corner. Thereby, a wiring duct can be installed from the exit 6 to the passage facing the wiring side 7 of the information communication equipment.

In the example of FIG. 8, it is assumed that the rack rows 4 are arranged so that the wiring sides 7 of the information communication devices face each other. By installing the wiring duct as shown in FIG. 8, the communication cable extending from the wiring side 7 can be efficiently accommodated in the wiring duct.

<Color coding>
FIG. 9 shows an example in which the bottom surface 8 of the wiring duct 1 (or the wiring duct 3 may be used) is painted in various colors. For example, the bottom 8-1 in FIG. 9 is colored red, the bottom 8-2 is blue, and the bottom 8-3 is white. By color-coding the bottom surface 8, the type of communication cable to be installed (or already installed) in a specific recess can be visually recognized. Thereby, for example, the cable to be removed can be removed without making a mistake when removing the cable. Also, when laying cables, the cables can be installed in the correct position.

(Effect of Embodiment)
As described above, in the present embodiment, in the cable wiring of information communication equipment in a data center or the like, wiring ducts provided with partitions for accommodating communication cables one by one are provided under the upper floor of the double floor. did.

As a result, it is now possible to lay communication cables one by one, which in the past was difficult to remove because they were piled up, making it easier to recognize and remove cables that should be removed. By making it easier to remove the communication cable, the removal work is made more efficient.

In addition, since the wiring duct clarifies the installation route in advance, it is possible to prevent obstruction of the cold airflow route from the air conditioner and prevent deterioration of cooling efficiency.

(Summary of embodiment)
In this embodiment, at least the following wiring duct is provided.
(Section 1)
A wiring duct installed under an upper floor in a double floor structure,
A wiring duct comprising a plurality of partitions, one cable being laid in each recess formed by two adjacent partitions.
(Section 2)
2. The wiring duct according to claim 1, wherein bottoms of the plurality of recesses in the wiring duct are color-coded.
(Section 3)
3. The wiring duct according to

claim

1 or 2, wherein L-shaped portions are provided on upper portions of both ends in the width direction of the wiring duct.
(Section 4)
A wiring duct constructed by stacking another wiring duct on the wiring duct according to item 3.
(Section 5)
A wiring duct configured by connecting the wiring duct according to any one of items 1 to 4 and a wiring duct for a curved corner.

Although the present embodiment has been described above, the present invention is not limited to such a specific embodiment, and various modifications and changes can be made within the scope of the gist of the present invention described in the claims. It is possible.

1, 3 wiring duct 2 cable 5 floor 6 exit 7 wiring side 8 bottom 11 bottom plate 12 side wall (partition)
4, 20 rack row 30 double floor

upper floor

40, 50 cold air 100 air conditioner

Claims

A wiring duct installed under an upper floor in a double floor structure,
A wiring duct comprising a plurality of partitions, one cable being laid in each recess formed by two adjacent partitions.
The wiring duct according to claim 1, wherein bottoms of the plurality of recesses in the wiring duct are color-coded.
The wiring duct according to claim 1 or 2, further comprising an L-shaped portion on the upper portion of both ends in the width direction of the wiring duct.
A wiring duct constructed by stacking another wiring duct on the wiring duct according to claim 3.
A wiring duct configured by connecting the wiring duct according to any one of claims 1 to 4 and a wiring duct for curved corners.