JPH08299093A - Electric wiring method for heat retaining chair and unit cable used for it - Google Patents

Abstract

PURPOSE: To provide an electric wiring method for a heat retaining chair allowing execution without requiring a professional skill, shortening the construction period, and contributing to the reduction of the construction cost by simplifying the works. CONSTITUTION: Branch cables 3 are connected to a trunk cable 2 via a prescribed number of branch sections 4 at prescribed intervals in advance, and the connection sections of the branch sections 4 are molded to form a unit cable 1. One side face of a molded branch section 4 is fitted to the wall face 8 of a fitting section, and the unit cable 1 is covered with a unit cable cover 9. A branch cable 3 is taken out from the unit cable cover 9, and the tip of the branch cable 3 is connected to the heating means H of a heat retaining chair C.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention is particularly applicable to halls, stadiums,
The present invention relates to an electric wiring method suitable for heating and warming a chair installed in a seat of a large indoor / outdoor facility such as a baseball field or a soccer field, and a unit cable used therefor.

[0002]

2. Description of the Related Art It has been considered as a heating system for passenger seats in which direct heating and warming of the chairs in the seats provided in the above-mentioned wide facilities are suitable for energy saving.
And in this case, provide a connection box for each chair,
A metal tube is used to connect between the connection boxes, and wiring is performed through the inside of the metal tube.

[0003]

However, since the above wiring work requires specialized skills in electric piping and wiring work, variations in construction quality cannot be avoided, and the construction time is too long. Therefore, the construction efficiency is low and the construction cost is increased.

The present invention has been made in view of the above problems, and by simplifying the construction, it is possible to carry out the construction without requiring specialized skills, and at the same time, the construction period is shortened and the construction cost is reduced. It is a first object to provide an electric wiring method for a heat insulating chair that contributes to down. Further, it is a second object to provide a unit cable in which the above electric wiring can be easily realized.

[0005]

The present invention adopts the following means in order to solve the above problems. <Summary of the First Invention> According to the present invention, a branch cable is connected to a trunk cable via a predetermined number of branch portions at a predetermined interval in advance, and a connecting portion of the branch portion is molded to form a unit cable. Then, one side surface of the molded branch portion is attached to the wall surface of the mounting portion, the unit cable is further covered with a unit cable cover, and the branch cable is taken out from the unit cable cover. This is a wiring method in which the tip is connected to the heating means of the heat insulation chair. The point is that the wiring work is performed using a unit cable that is made into a unit by molding the branch cable connection part from the trunk cable to the heat insulation chair.

[Cable] In the present invention, a cable forming a trunk cable or a branch cable has flexibility, and a cabtire cable is preferable as the cable.

[Unit Cable] In the present invention, the unit cable is a branch cable provided by branching from a trunk cable at a predetermined number and at a predetermined interval, and the total length of the unit cable and the number of branch cables. It is preferable that a unit cable suitable for this is configured in advance depending on the size of the installation place, the number of seats, and the space between seats.

[Branching part] In the present invention, the branching part is a part for connecting the branching cable from the main cable constituting the unit cable, and the internal connecting part is formed by molding this connecting part with synthetic resin. Shield. Then, it is preferable that a flat surface is provided on one side surface of the molded branched portion, and an adhesive is applied to the flat surface as an adhesive means. This adhesive may be a thermoplastic resin adhesive such as phenol resin, resorcin resin, polyurethane resin, epoxy resin, silicone resin, or a thermoplastic resin such as polyvinyl acetate or polyvinyl phthalate, or an elastomer adhesive such as neoprene. Various kinds of adhesives are available. It is preferable to temporarily fix the branch portion to the wall surface with this adhesive.

[Unit Cable Cover] In the present invention, the unit cable cover is a person who protects the unit cable by covering the unit cable in which the branch portion is attached to the wall surface, and is preferably formed of metal or synthetic resin. . For the branch cable take-out hole to take out the branch cable, a large number of parts surrounded by thin parts are provided in advance on the unit cable cover, and only the thin part where the branch cable take-out hole needs to be formed is pliers etc. It is preferable that the unit cable cover has general versatility by forming the cable extraction hole by removing the cable with the tool.

[Insulation Chair] In the present invention, a nichrome wire or an electric heating wire is used for the insulation chair, and a heating means for controlling the temperature by a thermistor is built-in, especially in an outdoor baseball field or a soccer field. In this case, it is preferable to shield the heating means so that a short circuit which may occur in the case of rain does not occur.

<Summary of the Second Invention> According to the present invention, a predetermined number of branch cables are formed at predetermined intervals of a main cable through a branch portion which is molded in advance, and is bonded to one side surface of the branch portion. It is a unit cable provided with means.

[0012]

[Action]

<Operation of the constituent elements of the first invention> A unit cable is prepared in which branch cables are connected to a trunk cable via a predetermined number of branch portions which are molded at predetermined intervals in advance, and the branch portions of the unit cables are connected to each other. Attach it to the wall of the attachment part of the heat insulation chair. Furthermore, cover the entire length of the unit cable with a unit cable cover. The branch cable taken out from the unit cable cover is connected to the heating means of the heat insulation chair to complete the wiring.

<Operation by the constituent elements of the first invention> By using the unit cable of the present invention, the electric wiring work of the heat insulation chair is performed, and the wiring work is simplified.
It will be quick.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. [Outline of Embodiments] The present invention relates to a hall, as shown in FIG.
When electrically wiring to the heating means H provided inside the chair C installed in the seats of a large indoor or outdoor facility such as a stadium, a baseball field, or a soccer field, a simple and quick wiring work can be performed without requiring special skill. A wiring method and a unit cable used for the same are disclosed.

[Description of Unit Cable] As shown in FIGS. 1 and 5, the unit cable 1 used in the present invention is provided with a plurality of branch cables 3 branching from a long trunk cable 2. Main cable 2 and branch cable 3
In each case, a flexible cabtyre cable was used. Furthermore, the length and number of the branch cables and the distance between them were set appropriately according to the conditions of the facility.

After the branch cable 3 is connected to the trunk cable 2, this connection part is molded with synthetic resin to shield the internal connection part, and a unit having a large number of branch parts 4 as shown in FIG. Cable 1
To form. Then, as shown in FIG. 2, the base end of the unit cable 1 is guided from the back portion of the mounting portion 7 to the wall surface 8 of the mounting portion 7 through the through hole 14.

[Explanation of Bifurcation] Further, as shown in detail in FIG. 3, the bifurcation has the side surface 6 formed into a flat surface, and the flat side surface 6 is coated with a phenol resin adhesive. As shown in FIG. 5, the branch portion 5 was attached to the wall surface 8 of the attachment portion 7 of the heat insulating chair C and temporarily fixed to the wall surface 8.

[Description of Unit Cable Cover] Next,
The metal or synthetic resin is used to form the unit cable cover 9 having a substantially U-shape as shown in FIG. And
The hem portions 11a, 1 at both ends of the unit cable cover 9
By screwing the screw 15 through the screw mounting hole 10 provided at a proper position of 1b and attaching the unit cable cover 9 to the wall surface 8 of the attaching portion 7 of the heat insulating chair C,
As shown in FIGS. 2 and 6, the entire length of the unit cable 1 is covered.

Further, a plurality of cuts 12 are provided in advance in the hem portions 11a and 11b of the unit cable cover 9 in correspondence with the number and intervals of the heat insulation chairs C, and the cutouts 12 are followed by branch cable extraction holes 13 And the branch cable 3 is taken out through this hole 13. In order to form the branch cable take-out hole 13, the take-out hole 13 is removed with a tool such as pliers to make the branch cable take-out hole 1
3 is formed. Further, a bushing was attached around the branch cable take-out hole 13 for protecting the cable.

[Description of Insulation Chair] As shown in FIG. 2, a plurality of insulation chairs C are installed on the wall surface 8 of the mounting portion 7,
A heating means H composed of a nichrome wire is incorporated. The electric wiring is completed by connecting the branch cable 3 taken out from the branch cable take-out hole 13 to the heating means H.

[Operation / Effect of Embodiment] A unit cable is formed by connecting branch cables to a main cable through a predetermined number of branch portions that are molded at predetermined intervals in advance, and the branch portions of the unit cable are connected to each other. Temporarily fix it to the wall surface of the mounting part with an adhesive. Furthermore, cover the entire length of the unit cable with a unit cable cover. A plurality of portions surrounded by a thin portion previously formed in the unit cable cover are pressed and removed to form branch cable extraction holes.
Then, the branch cable is taken out from the branch cable taking-out hole. Wiring work is completed by connecting the branch cable to the heating means of the heat insulation chair.

Therefore, the unit cable can be attached easily and quickly, and even if the temporary fixing is later removed, the unit cable remains in the unit cable cover, so that no trouble occurs. And it has become possible for people without specialized skills to easily perform wiring.

[0023]

EFFECTS OF THE INVENTION According to the electric wiring method and the unit cable of the present invention, 1) wiring work can be carried out without requiring any special skill.

2) It can be carried out quickly and easily, and the construction period is greatly shortened. 3) The construction period will be shortened and the construction cost will be greatly reduced.

4) Simply heating the chair eliminates the need for a special heating device as in the prior art, and contributes greatly to energy saving. The effect will occur.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a state of a main part of an embodiment of the present invention.

FIG. 2 is a partial cutaway view showing a wiring state to a heat insulation chair.

FIG. 3 is a perspective view of a branch portion.

FIG. 4 is a partial perspective view of a unit cable cover.

FIG. 5 is a perspective view showing a mounting state of a branch portion.

FIG. 6 is a perspective view showing a state in which a unit cable cover is attached.

[Explanation of symbols]

 1 unit cable 2 trunk cable 3 branch cable 4 branch part 6 side surface of branch part 7 attachment part of heat insulation chair 8 wall surface of attachment part 9 unit cable cover C heat insulation chair H heating means

Claims (2)

[Claims] 1. A branch cable (3) through a predetermined number of branch portions (4) at predetermined intervals in the main cable (2).
And the connecting portion of the branch portion (4) is molded to form the unit cable (1), and then one side surface (6) of the molded branch portion (4) is attached to the mounting portion ( 7) is attached to the wall surface (8), the unit cable (1) is further covered with a unit cable cover (9), the branch cable (3) is taken out from the unit cable cover (9), and the branch cable (3) ) Is connected to the heating means (H) of the heat insulation chair (C), the electric wiring method of the heat insulation chair. 2. A predetermined number of branch cables (3) are formed at predetermined intervals of the main cable (2) via a pre-molded branch section (4), and one side surface of the branch section (4). A unit cable used for electric wiring of a heat-insulating chair, characterized in that an adhesive means is provided in (6).