JP2007074861A - Cable laying structure for cable room of power plant building - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cable laying structure for a cable room of a power plant building that enables each cable to be separated and divided by being installed by a simple structure in the cable room of the power plant building and that improves workability when cables are laid by workers. <P>SOLUTION: This cable laying structure for the cable room of the power plant building has a building 1 in which a computer room 30 that controls power plant facilities is arranged on an upper story, and a power supply room 10 that supplies electric power is arranged on a lower story. Further, the structure is provided with the cable room 20 between the computer room 30 and the power supply room 10 of the building 1 to separate and divide control cables 32a from the computer room 30 and power cables 12a from the power supply room 10. A plurality of poles 22 are provided protrusively like bars from the floor surface, and arrayed at fixed intervals to guide the cables in the cable room 20 along laying routes for laying the control cables 32a and the power supply cables 12a separating the cables from each other. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a cable room laying structure of a power plant building. More specifically, a computer room for controlling power plant facilities is arranged on the upper floor, and a power source room for supplying power is arranged on the lower floor. A cable room laying structure of a power plant building having a cable room between a computer room and a power supply room of the building, and separating and laying a control cable from the computer room and a power cable from the power supply room .

Conventionally, the cable room laying structure of a power plant building has, for example, a computer room that controls and manages facilities of a turbine room and a boiler room of a thermal power plant arranged on the upper floor and a power room that supplies power is arranged on the lower floor. Installation of a cable room that is used in a building and has a cable room between the computer room and the power supply room of this building, and lays a control cable from the computer room and a power cable from the power supply room in this cable room. The structure is known (for example, refer to Patent Document 1).
Japanese Laid-Open Patent Publication No. 7-184312 (page 2-3, FIG. 3) An embodiment having the structure described above will be described with reference to FIGS. FIG. 3 is a block diagram showing an embodiment of a conventional cable room laying structure of a power plant building in which a cable room is provided and a control cable and a power cable are laid. FIG. 4 is an enlarged view showing details of a portion B shown in FIG.

  As shown in FIG. 3, an embodiment of a conventional cable room laying structure of a power plant building includes a computer 32 that controls the pump 2 a of the turbine chamber 2 of the thermal power plant facility, the fan 3 a of the boiler chamber 3, and the like. The computer room 30 is arranged on the upper floor, and the power supply room 10 including the power panel 12 for supplying power is used in the building 1 arranged on the lower floor. The upper floor of the computer room 30 of the building 1 and the power room 10 A cable room 20 is provided between the lower floor (the second floor), and the control cable 32a from the computer room 30 and the power cable 12a from the power room 10 are separated and separated from each other in the cable room 20. Without being received, it forms so that it can each lay toward the pump 2a of the turbine chamber 2, and the fan 3a of the boiler chamber 3.

  Here, in the cable room 20, the control cable 32 a from the computer room 30 and the power cable 12 a from the power supply room 10 are extended, and the cables are mixed and extended in parallel. It will be affected by electromagnetic. Therefore, in the cable chamber 20, as shown in FIG. 3, a laying route is provided on the floor surface in advance so that the cables do not extend long in parallel. A block body 24 that blocks and blocks a plurality of blocks is provided at a location to separate the blocks. As shown in FIG. 4, the block body 24 is fixed by arranging a plurality of blocks along the laying route on the floor surface of the cable chamber 20 and applying a connecting mortar M. Further, the block body 24 has a mortar M (powdered cement and water) in the corner of the upper end in order to prevent damage at the corner of the block when the control cable 32a and the power cable 12a are routed in the cable chamber 20. The paste is mixed with sand and applied with a curved surface.

  As described above, the conventional cable room laying structure of the power plant building is provided with the block body 24 that is arranged and protrudes on the floor surface of the cable room 20, and separates the control cable 32a and the power cable 12a from each other. In addition to preventing the mutual cables from being electromagnetically affected in the cable chamber 20, the upper end of the block body 24 protruding is further curved to further prevent damage to each cable.

However, in the conventional cable room laying structure of the power plant building, when the block body 24 is fixed to the floor surface of the cable room 20, it takes time to dry the connecting mortar M or cement, and the construction for installing the block body 24 is performed. There was a problem that the installation of the cable was delayed because a separate period was required.
Further, in the conventional cable room laying structure of the power plant building, when laying the cable in the cable room 20, the operator grasps the plurality of control cables 32a and the power cables 12a and holds the block body 24 many times. Since the work is carried out while exceeding, the block body 24 becomes a wall and there is a problem that workability at the time of laying is very poor.

  The present invention has been made in view of the above points. The purpose of the present invention is to easily install each cable in a cable room of a power plant building with a simple structure and to separate and divide each cable. An object is to provide a cable room laying structure of a power plant building that is improved.

  In order to solve the above-described problems, the present invention has a building in which a computer room for controlling a power plant facility is arranged on the upper floor and a power supply room for supplying power is arranged on the lower floor, and the computer room of the building includes: A cable room laying structure for a power plant building that has a cable room between the power room and separates the control cable from the computer room and the power cable from the power room, and lays the floor from the floor in the cable room. A pole is provided that is arranged in a plurality at regular intervals along a laying route for projecting in a rod shape and routing the control cable and the power cable while separating them from each other.

  Here, it is preferable that the pole is provided either on a burying member embedded in the floor surface of the cable chamber, which can be attached / detached by screwing and screwing, or on the floor surface. In addition, the floor of the cable room should be provided so that the installation route for routing the control cable and power cable can be easily grasped by marking the lines along multiple poles that guide the control cable and power cable, respectively. Is preferred.

As described above, according to the cable room laying structure of the power plant building according to the present invention, the construction period for installing the poles is short because of the simple structure in which a plurality of poles protrude from the floor surface of the cable room. The cable can be installed in a short period of time.
In addition, according to the conventional cable room laying structure of the power plant building, the above-mentioned poles are arranged with a plurality of gaps at predetermined intervals, so that an operator grasps a plurality of control cables and power cables in the cable room. Thus, it does not become a wall when being routed, and workability at the time of laying is greatly improved.

  Next, an embodiment of a cable room laying structure of a power plant building according to the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a configuration diagram showing an embodiment of a cable room laying structure of a power plant building according to the present invention. FIG. 2 is an enlarged view showing details of a portion A shown in FIG. Here, this embodiment is the same as the components of the prior art shown in FIG. 3 except for the pole 22 shown in FIG. 1, and the same reference numerals are used for the same components.

  As shown in FIG. 1, an embodiment of a cable room laying structure for a power plant building according to the present invention is similar to the prior art shown in FIG. The computer room 30 having a computer 32 for controlling the fan 3a and the like is arranged on the upper floor, and the power source room 10 having the power panel 12 for supplying power is used for the building 1 arranged on the lower floor. A cable room 20 is provided between the upper floor of the computer room 30 and the lower floor of the power supply room 10 (the second floor). In the cable room 20, a control cable 32 a from the computer room 30 and a power cable from the power supply room 10 are provided. It is formed so that it can be installed separately toward the pump 2a of the turbine chamber 2 and the fan 3a of the boiler chamber 3 without being separated and separated from 12a. Further, in the present embodiment, unlike the prior art shown in FIG. 3, when the control cable 32a and the power cable 12a are separated and separated, the control cable 32a and the power cable are projected into the cable chamber 20 in a bar shape from the floor surface. A plurality of poles 22 are provided which are arranged and guided at regular intervals along the laying route for routing the wires 12a separately from each other. That is, in the present embodiment, the member that takes time for installation work and becomes a wall like the block body of the prior art shown in FIG. 3 is changed to the rod-shaped pole 22 shown in FIG. When the cable is routed, it becomes a wall and does not get in the way, and installation work in the cable room 20 can be performed in a short time.

  Here, the computer room 30, the cable room 20, and the power supply room 10 are respectively formed with holes 30a, 20a, and 10a that open on the floor surface, and the control cable 32a and the power cable 12a can be freely passed through these holes. It is provided so that it can be laid on each floor. In the cable chamber 20, as shown in FIG. 2, a plurality of poles 22 are arranged along the laying route. That is, the pole 22 can be post-worked in the cable chamber 20 and can be formed at a low cost, and there is no restriction on the construction process and no restriction on the floor drilling position. Therefore, the pole 22 can be easily installed in the cable chamber 20, and the installation period is short, and as a result, the control cable 32a and the power cable 12a can be installed in a short period. For example, the pole 22 is made of a pipe material having a diameter D (outer diameter) of 27.2 (SGP-20A) mm shown in FIG. 2 and is protruded from the floor of the cable chamber 20. Desirably, the height H is 300 mm. Further, when a plurality of poles 22 are arranged on the floor surface of the cable chamber 20, it is preferable that the arrangement interval L be 600 mm or more, or more than an interval through which a human can pass. Note that the thickness, height, spacing, etc. of these pipes obtain the required strength from the type and amount of cable. When the pole 22 is formed of a pipe material, the pipe material is protruded in a rod shape from the floor surface to seal the hollow hole opened at the tip, and the sealed tip is curved (substantially hemispherical). : Not shown), and it is desirable to cover with a general purpose cap.

  Further, when the pole 22 is provided so as to protrude from the floor surface of the cable chamber 20, for example, it is provided so that it can be attached and detached by screwing a buried portion embedded in the floor surface and screwed or detachable on the floor surface. Is also possible. In this case, in the case of being detachably provided by screwing, although not shown, an embedded member (anchor) is embedded in advance on the floor surface of the cable chamber 20, and the tip of the embedded member protrudes on the floor surface. It can be implemented by screwing and fixing the lower end of the pole 22 in a screwed manner. On the other hand, when it is provided so as to be able to appear and retract, it can be implemented by providing the pole 22 so that it can be expanded and contracted and retracted and stored on the floor surface of the cable chamber 20 when not in use, and extended by pulling out the tip when in use. . According to another embodiment of such a pole that can be moved in and out, the position of the cable chamber 20 to be protruded by attaching or detaching or extending can be changed as appropriate, and the laying route can be easily changed.

  Further, the floor surface of the cable chamber 20 represents the control cable 32a and the power cable 12a by marking the line 20b shown in FIG. 2 along the plurality of poles 22 respectively guiding the control cable 32a and the power cable 12a. It is also possible to provide it so that the laying route to be routed can be easily grasped. At this time, for example, a paint route such as paint can be used on the floor surface of the cable chamber 20 so that the laying route can be easily described along the plurality of poles 22. By laying the control cable 32a and the power cable 12a separately along the laying route described in this way, the laying work by the worker is facilitated and can be reliably performed. And when it lays along such a pole 22, the finish after the cable alignment is improved and management becomes easy. Note that the cable or the pole 22 is not damaged at all by the cable routing.

As described above, according to the embodiment of the cable room laying structure of the power plant building according to the present invention, the pole 22 is installed because of the simple structure in which the plurality of poles 22 protrude from the floor surface of the cable room 20. The construction period is short, and the cable can be laid in the cable room 20 in a short period of time.
In addition, according to an embodiment of a conventional cable room laying structure of a power plant building, a plurality of poles 22 described above are arranged at predetermined intervals, so that a plurality of control cables can be provided by workers within the cable room 20. When gripping and pulling the 32a and the power cable 12a, it does not become a wall, and workability at the time of laying is greatly improved.
In addition, by making the pole 22 appear and disappear, it is possible to freely change the laying route between the control cable 32a and the power cable 12a in the cable chamber 20, and to improve the finish after the cable is trimmed. Can do.
Furthermore, by marking the line along the poles 22 arranged on the floor surface of the cable chamber 20, the laying route can be easily grasped, and the cable laying operation by the worker can be surely executed.

As mentioned above, although embodiment of the cable room installation structure of the power station building by this invention was described in detail, this invention is not limited to embodiment mentioned above, It can change in the range which does not deviate from the summary. is there.
For example, although the embodiment of the cable room laying structure of the power plant building in the thermal power plant has been described in detail, the present invention is not limited to this, and may be adopted in a cable room such as a hydropower plant or a nuclear power plant. Is possible.

The block diagram which shows one Embodiment of the cable room installation structure of the power plant building by this invention. The enlarged view which shows the detail of the A section shown in FIG. The block diagram which shows one Embodiment of the cable room laying structure of the conventional power plant building. The enlarged view which shows the detail of the B section shown in FIG.

Explanation of symbols

1 building
2 Turbine room
2a pump
3 Boiler room
3a Fan 10 Power supply room 10a Hole 12 Power supply panel 12a Power supply cable 20 Cable room 20a Hole 20b Line 22 Pole 30 Computer room 30a Hole 32 Computer 32a Control cable

Claims (3)

A computer room that controls the facilities of the power plant is located on the upper floor, a power room that supplies power is located on the lower floor, and a cable room is provided between the computer room and the power room in the building. In the cable room laying structure of the power plant building in which the control cable from the computer room and the power cable from the power room are separated and laid,
A power generation characterized in that a plurality of poles are provided in the cable chamber to be arranged in a fixed interval along a laying route for routing the control cable and the power cable while separating the control cable and the power cable from the floor surface. Cable room laying structure in the building. In the cable room laying structure of the power plant building according to claim 1,
The power plant building is characterized in that the pole is provided in a structure that can be attached and detached by screwing a buried member embedded in the floor surface of the cable chamber and screwing it in or out of the cable member. Cable room laying structure. In the cable room laying structure of the power plant building according to claim 1 or 2,
The floor surface of the cable room can easily grasp the laying route for routing the control cable and the power cable by marking the lines along the plurality of poles respectively guiding the control cable and the power cable. The cable room laying structure of the power plant building, which is characterized by being provided.

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