JP2002315123A - Temporary power supply system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make the wiring connection work efficient by removing the arrangement omission or the erroneous connection of a wiring cable within a temporary building. SOLUTION: Cables required at minimum for wiring of a temporary building such as two pieces of relay distributing cables 1 and 19, a relay branch cable 3, a switch cable 10, relay cables 13, 21, etc., are made into kits. The plug insertion ports 2a and 20a of the distributing plug sockets 2 and 20 of the relay distributing cables 1 and 19 are grouped by application and are given identification marks. An identification mark is put on the plug of corresponding each cable. At connection, the insertion port of the distributing plug socket and the identification mark of each cable plug are accorded with each other. For the rest, it will do to connect the power cord of a fluorescent lamp 7, a ventilating fan 16, or other electric apparatus to the connector or plug socket of each relay cable.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply system temporarily installed in a temporary house such as a construction site.

[0002]

2. Description of the Related Art Conventionally, as a power supply system temporarily installed in a temporary house on the premise of dismantling after use, for example, JP-A-7-163030 is known. The invention disclosed in this publication discloses a temporary power supply system that supplies power to a plurality of temporary switchboards from a switchboard that introduces power from an external power cable. That is, the temporary power supply system includes a distribution board having a connector, a distribution board having a connector, and a relay cable having connectors at both ends.
It has connectors at both ends and has a plurality of branch parts in the middle,
It consists of a hierarchical unit cable in which a branch cable with a connector is connected to each branch, and after the hierarchical unit cable is routed vertically to the building, the distribution board and a plurality of intermediate distribution boards are connected via relay cables. Things.

[0003]

The above-mentioned invention assumes a relatively large-scale building, such as a building, even if it is a temporary housing. Is a general-purpose temporary power supply system. However, from the switchboard to the switchboard, specialized electrical wiring workers are often used, but in the case of indoor wiring in relatively small temporary housing, individual lighting and electrical equipment are connected from the switchboard via the switchboard. Until the wiring work, amateur workers often do it. Rather, in the wiring work after the distribution board, erroneous arrangement of necessary cables and erroneous connection occurred, and this put a heavy burden on field workers.

An object of the present invention is to solve the above-mentioned problems, and to provide a temporary power supply system in which work including terminal wiring in a temporary building is made more efficient.

[0005]

A temporary power supply system according to the present invention that achieves the above object is a temporary power supply system in which power is supplied from an external power cable from a distribution board and supplied to a temporary building. Has a distribution board connection terminal at one end, a relay distribution cable having an intermediate power distribution outlet having a plurality of plug insertion ports at the other end, and a different male / female connection plug at both ends, and at least in the middle. A relay branch cable having an arbitrary number of branch portions where one female connector is branched, a switch cable having a plug at one end, a switch at the other end, and a plug at one end, and a plug at the other end. It consists of a cable kit mainly composed of a relay cable with an outlet,
A plurality of plug outlets of the outlet for intermediate power distribution are grouped according to the use and assigned an identification mark, and each plug of each corresponding cable is also provided with the same identification mark as the identified outlet, It is characterized in that each plug of each cable is connected to the plug insertion port of the same identification mark of the distribution outlet.

In this case, it is desirable from the standpoint of working efficiency to specify in advance that the relay branch cable is for fluorescent lamp power, the switch cable is for fluorescent lamp switch power, and one of the relay cables is for ventilation fan power.

[0007] The cable kit of the temporary power supply system of the present invention can further include another series of wiring cables as required. That is, a switchboard terminal is provided at one end,
A relay distribution cable having an intermediate power distribution outlet having a plurality of plug insertion ports at the other end, and at least one relay cable having a plug at one end and a general-purpose outlet at the other end; The same identification mark is given to the plug insertion port of the power outlet and the corresponding plug of each relay cable, and the plug of the relay cable is connected to the plug insertion port of the same identification mark of the distribution outlet.

[0008] In these inventions, it is desirable that the identification mark of the plug corresponding to the outlet of the power distribution outlet be color-coded to facilitate the identification of the worker. Also,
The location where the identification mark is provided may be a grouped outlet of the power distribution outlet or the vicinity thereof, and a plug of the corresponding cable or the vicinity thereof, for example, a color tape wound around the cable, for example.

[0009]

Embodiments of the present invention will be described below with reference to embodiments shown in the drawings. FIG. 1 shows a relay distribution cable. In FIG. 1, a relay power distribution cable 1 has a terminal 1a connectable to a switchboard (not shown) for introducing external power at one end, and a power distribution outlet 2 at the other end. The power distribution outlet 2 is provided with a plurality of plug insertion ports 2a which are retained. In the present invention, these insertion ports 2a are grouped according to their use such as for fluorescent lamps, for fluorescent lamp switches, for ventilation fans, and for other electric appliances, and are provided with identification marks ABC by, for example, color coding.

FIG. 2 shows a relay branch cable. In FIG. 2, the relay branch cable 3 has different male /
It has female connection plugs 4 and 4a, and has an arbitrary number of branch connectors 5 in the middle. A pair of female connectors 6 extend from one branch connector 5. For example, a plug 9 of a power supply coat 8 for a fluorescent lamp 7 is
Connect. In the present invention, it is desirable that the relay branch cable 3 is exclusively used for the plug 9 of the power cord 8 of the fluorescent lamp 7. One end of the male plug 4 of the relay branch cable 3 is provided with, for example, the same identification mark B as that for fluorescent light B among the application identification marks ABC attached to the corresponding outlet 2a of the power distribution outlet 2. And plug 4 into power distribution outlet 2
To the slot with the same identification mark. The female plug 4a at the other end of the relay branch cable 3 is left unused when not in use.

FIG. 3 shows a switch cable. In FIG. 3, the switch cable 10 includes a plug 11 having an identification mark C at one end and a switch 12 at the other end. The switch cable 10 is connected to an outlet of the power distribution outlet 2 having the same identification mark C as the plug 11, and is used for a lighting switch of the fluorescent lamp 7, for example.

FIG. 4 shows a relay cable. 4, the relay cable 13 includes a plug 14 having an identification mark A at one end and an outlet 15 at the other end. The plug 14 of the relay cable 13 is connected to the outlet 2a of the power distribution outlet 2 having the same identification mark A. Relay cable 1
The third outlet 15 can be generally used for various electric devices. For example, one relay cable 13 is used for a ventilation fan, and is used to connect a plug 18 of a power cord 17 of the ventilation fan 16.

FIG. 5 shows different series relay distribution cables provided as needed. In FIG. 5, a relay distribution cable 19 is a switchboard (not shown) for introducing external power.
A terminal 19a is provided at one end, and a power distribution outlet 20 is provided at the other end. The power distribution outlet 2 is provided with a plurality of plug insertion ports 20a. These outlets 2
0a is grouped according to application, and an identification mark D is attached by, for example, color coding. And, for example, usually, a plug 22 having an identification mark D at one end and an outlet 2 at the other end.
3 is used to connect a power cord (not shown) of an electric device or the like via a relay cable 21 provided with the cable 3. In some cases, the power cord of an electric device or the like is connected to the relay cable 21.
It is also possible to connect directly to the outlet 20a of the power distribution outlet 20 without going through.

In the present invention, the connection cables required for the temporary power supply system of the temporary building are made into a kit in advance. Workers can prevent forgetting to arrange connection cables and omission of preparation simply by bringing the kit into a temporary building.

FIG. 6 shows an example of wiring of a temporary power supply system in a temporary building. In FIG. 6, external power is introduced from a power cable 26 to a switchboard 25 provided in a temporary building (not shown). The switchboard 25 has a mounting port 27 for the relay power distribution cable 1. In the present invention, for example, two relay distribution cables 1,
19, the relay branch cable 3, the switch cable 10, the relay cables 13 and 21 are taken out, the relay power distribution cables 1 and 19 are connected to the mounting opening 27 of the switchboard 25, and the power distribution outlets 2 of the relay power distribution cables 1 and 19 are connected. The plugs 4, 11, 14, and 22 of the relay branch cable 3, the switch cable 10, and the relay cables 13 and 21 are respectively inserted into the insertion ports 2a and 20a identified according to the respective uses of the corresponding identification marks. Connect according to. This way, there is no danger that workers on site will get the wrong cable and make a wrong connection.
Temporary work is significantly more efficient. After that, the fluorescent light 7 and the ventilation fan 16 are connected to the connector or outlet of each relay cable.
Or, a power cord of another electric device may be connected.

It should be noted that the present invention is not limited to the above embodiment, and various application examples are possible. For example, in the above embodiment, the identification mark corresponding to each of the plug insertion port and the plug is given, but the cable itself may be color-coded corresponding to the identification mark of the plug insertion port.

[0017]

The temporary power supply system of the present invention has the following advantages due to the above configuration. (1) It is possible to prevent forgetting to arrange connection cables and omission of preparation by forming a kit of minimum connection cables necessary for the power supply system of the temporary building. (2) By providing an identification mark on at least the plug outlet of the power distribution outlet and the plug of the corresponding cable, the cables are not erroneously connected, and the connection work of each cable is significantly improved. .

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a relay distribution cable.

FIG. 2 is a schematic diagram showing a relay branch cable for a fluorescent lamp.

FIG. 3 is a schematic view showing a fluorescent light switch cable.

FIG. 4 is a schematic view showing a relay cable with an outlet.

FIG. 5 is a schematic view showing another series of relay power distribution cables and corresponding indoor power outlet cables.

FIG. 6 is a schematic diagram showing an example of wiring of a temporary power supply system in a temporary building.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Relay power distribution cable 1a Connection terminal for switchboard 2 Power distribution outlet 2a Plug insertion port 3 Relay branch cable 4 Male connection plug 4a Female connection plug 5 Branch connector 6 Female connector 7 Fluorescent lamp 8 Power cord 9 Plug 10 Switch cable 11 Plug 12 Switch 13 Relay cable 14 Plug 15 Outlet 16 Ventilation fan 17 Power cord 18 Plug 19 Relay distribution cable 19a Distribution board connection terminal 20 Distribution outlet 21 Relay cable 22 Plug 23 Outlet 24 Power cable 25 Distribution board 26 Distribution cable Slot A Identification mark B Identification mark C Identification mark D Identification mark

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H02G 3/38 H02G 15/08 K 9/00 3/28 D 15/08 H01R 13/64 A F term ( 5E021 FA02 FA16 FB07 FB13 FB21 FB30 FC36 FC40 JA02 JA03 JA04 KA02 5G355 AA03 BA11 5G363 AA16 BA01 DB17 DB40 5G369 AA17 BA08 EA02 5G375 AA02 CA02 CA19 CC10 DB02 DB16 EA17

Claims (4)

[Claims] 1. A temporary power supply system for wiring from a distribution board for introducing power from an external power cable and supplying power to a temporary building, wherein the wiring cable has a switchboard connection terminal at one end and a plurality of plugs at the other end. A relay power distribution cable having an intermediate power distribution outlet having an insertion port, and any number of branch portions having different male / female connection plugs at both ends and at least one female connector branching in the middle. A cable kit mainly composed of a relay branch cable provided, a switch cable provided with a plug at one end and a switch at the other end, and a relay cable provided with a plug at one end and an outlet at the other end, Multiple plug outlets of the outlet for intermediate power distribution are grouped according to their use, and an identification mark is given to each plug of the corresponding cable. A temporary power supply system in which the same identification mark is provided and each plug of each cable is connected to the plug insertion port of the same identification mark of the distribution outlet. 2. The temporary power supply system according to claim 1, wherein the relay branch cable is for a fluorescent lamp power supply, a switch cable is for a fluorescent lamp switch power supply, and one of the relay cables is for a ventilation fan power supply. 3. A cable kit further comprising: a distribution power distribution cable having a switchboard terminal at one end and an intermediate power distribution outlet having a plurality of plug insertion ports at the other end; a plug at one end; And at least one relay cable provided with a general-purpose outlet, the same identification mark is given to the plug outlet of the intermediate power distribution outlet and the corresponding plug of each relay cable, and the plug of the relay cable is connected to the power distribution outlet. The temporary power supply system according to claim 1, wherein the temporary power supply system is connected to a plug insertion port of the same identification mark. 4. The temporary power supply system according to claim 1, wherein the identification mark is a color.