JP2000182450A - Cable identification structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent errors in connection of a cable and uniformly manufacture the cable by continuously installing a plurality of identifying belt-like bodies having different colors on the outer circumferential surface of the cable in the length direction, so as to be capable of peel off. SOLUTION: A plurality of identifying belt-like bodies 1a-1f are installed in the length direction on the outer circumferential surface of a cable sheath 5 of a coaxial cable C. As a specific method, a sheath 7 for a belt-like body having a thickness of 1 mm or less is fit closely to the outside of the cable sheath 5 to form a double sheath. A plurality of notches are formed in the length direction to form the identifying belt-like bodies 1a-1f. A plurality of belt-like part, having different colors are formed in a belt-like body forming portion E of the sheath 7 and seven boundary lines of adjacent colors, are notched to form the belt-like bodies 1a-1f. Each color of red, blue, yellow, green, brown, and white are set for six identifying belt-like bodies. The belt-like bodies 1a-1f can be peeled off from the outer circumferential surface 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable identification structure.

[0002]

2. Description of the Related Art Conventionally, coaxial cables have been widely used, for example, for communication.

[0003]

By the way, in the case of the above-mentioned coaxial cable used as an antenna feed line of a cellular phone base station, a plurality (usually 6 or more) are used per station. That is, a plurality of cables are laid from the top of the tower where the plurality of antennas are installed to the station where the transmitting and receiving device is installed, and each antenna and the transmitting and receiving device corresponding to each antenna are mutually connected by each cable. It is connected.

However, in the laying work, since a plurality of cables are bundled into one, it becomes difficult to identify each cable, and each antenna may be erroneously connected to a transmitting / receiving device corresponding to each antenna. As a result, there is a problem that the call service to the planned area is incomplete. Therefore, in order to prevent such an accident, the antenna side and the transmission / reception device side are electrically checked against each other, but erroneous connection still occurs. In addition, not only the coaxial cable but also other cables may possibly cause the erroneous connection as described above.

As a solution to the above problem, it is conceivable to apply a numbering to the surface of each cable or to change a color of a sheath of each cable. However, these methods require different cables to be manufactured. Management and production switching are difficult and not realistic, and are not actually performed.

Accordingly, an object of the present invention is to provide a cable identification structure capable of preventing erroneous connection of a cable and uniformly manufacturing the cable.

[0007]

In order to achieve the above-mentioned object, a cable identification structure according to the present invention is provided such that a plurality of identification bands having different colors can be peeled off on the outer peripheral surface of the cable, and Are provided continuously in the longitudinal direction. Further, a plurality of identification strips of the same color are detachably attached to the outer peripheral surface of the cable and are continuously attached in the longitudinal direction.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing embodiments.

FIG. 1 shows an embodiment of a cable according to the present invention. C is a cable, and this embodiment exemplifies a case where the cable C is a coaxial cable. That is, the cable C includes an inner conductor 2 made of a copper tube,
An outer conductor 3 made of a copper pipe with a ring-shaped corrugation externally fitted to the inner conductor 2, an insulator 4 made of foamed polyethylene filled between the two, and a cable sheath 5 that externally covers the outer conductor 3 Have.

In the cable identification structure of the present invention, a plurality of identification strips 1 of different colors can be peeled off on the outer peripheral surface 6 of the cable C (cable sheath 5) and in the longitudinal direction. It is provided continuously. In the present embodiment, six strips 1a to 1f are
In the example shown in FIG.

Specifically, for example, a thin band-forming body 7 having a thickness of 1 mm or less is closely fitted onto the cable sheath 5 (so-called double sheath), and a plurality of cutouts are formed in the longitudinal direction to form each identification member. The strips 1a to 1f are formed.

At this time, a plurality of band portions having different colors are colored in advance in the band forming portion E of the sheath 7, and in the band forming portion E, border lines of adjacent colors are defined. Notches are formed at seven places to form six strips 1a to 1f. The colors of the six strips 1a to 1f are sequentially set to red,
In the case of blue, yellow, green, brown, and white, the colors of the strips 1a and 1f (red and white) disposed at both ends and the color of the strip-free portion G of the sheath 7 are different. Is preferred.

Further, each of the formed strips 1a to 1f is
The outer peripheral surface 6 of the cable C can be peeled off. That is,
When the band-forming body forming sheath 7 is externally fitted to the cable sheath 5, both contact surfaces {that is, the inner peripheral surface of the sheath 7 and the outer peripheral surface of the cable sheath 5} are adhered (adhered) in a separable manner. ing.

Next, FIG. 2 shows another embodiment of the cable identification structure of the present invention. (1a to 1f) of only a plurality of identification strips 1... (1a to 1f) having different colors are detachably attached to the outer peripheral surface 6 of the cable C (cable sheath 5) and are continuously attached in the longitudinal direction. It consists of

In this case, for example, a plurality of tapes (each of the strips 1a to 1f) having different colors are connected to the outer peripheral surface 6 of the cable C.
The adhesive layer is provided with a pressure-sensitive adhesive so as to be peelable or heat-fused so as to be peelable. Alternatively, a colored strippable paint (so-called strip paint) may be continuously applied to the outer peripheral surface 6 of the cable C in the longitudinal direction to form a plurality of strips 1a to 1f having different colors.

Next, a specific method of using the cable identification structure of the present invention described with reference to FIGS. 1 and 2 will be described.

When this cable C (coaxial cable) is used as an antenna feed line of a mobile phone base station,
For example, six cables C are laid from a tower where six antennas 1 to 6 are installed to a station where a transmitting / receiving device corresponding to each antenna is installed. .. Are connected to each antenna and a transmitting / receiving device corresponding to each antenna.

At this time, the following is performed in order to reliably (not mistakenly) connect each antenna and the transmitting / receiving device corresponding to each antenna. The first antenna is red, the second antenna is blue, the third is yellow, the fourth is green, the fifth is brown, the sixth is white, and the color of each antenna is determined in advance. Also, for each of the cables C, one strip of a different color is peeled off. That is, the cable C from which the red band 1a is peeled off, the cable C from which the blue band 1b is peeled off,
Cable C from which yellow band 1c is peeled off, green band 1
d, the cable C from which the brown belt 1e is peeled, and the cable C from which the white belt 1f is peeled.
, A total of six cables C are prepared. Then, these six cables C are laid from the tower to the office building. And the cable C from which the red band 1a has been peeled off is
The cable C whose both ends are connected to the first antenna and the transmitting / receiving device corresponding to the first antenna and the blue strip 1b is peeled off, the both ends of the cable C correspond to the second antenna and the transmitting / receiving device corresponding to the second antenna. Are connected to the respective antennas and the transmitting / receiving devices corresponding to the respective antennas in sequence.

In this manner, by stripping the strips of different colors one by one from each cable C, it is possible to identify each cable C reliably. Therefore, even if the six cables C are bundled and laid, the antennas and the transmitting / receiving devices corresponding to the antennas can be connected accurately without mistake.

In FIG. 1 and FIG. 2, the cable identification structure of the present invention comprises a plurality of identification bands 1 of the same color.
a to 1f) may be laid on the outer peripheral surface 6 of the cable C so as to be peelable and continuous in the longitudinal direction.

In this case, a plurality of cables C are identified by changing the number and positions of the strips 1 to be peeled. For example, when preparing six cables C ...
By changing the number of strips of the strip 1 from one to six, each of the cables C can be identified. Alternatively, the number of strips can be identified by unifying the number of strips (for example, two) and changing the position of the strip.

The present invention is not limited to the above embodiment. For example, in the present embodiment, the case where the cable C is provided with the six identification strips 1a to 1f has been described.
Not limited to books, the number of strips 1 can be freely set. In addition, since this cable identification structure is intended to prevent erroneous connection and to enable uniform cable production (no need to separate cables), it can be applied to cables other than coaxial cables. it can.

[0023]

Since the present invention is configured as described above, the following effects can be obtained.

For example, in a case where each antenna and a transmitting / receiving device corresponding to each antenna are connected by a plurality of coaxial cables, for example, when the cables C are erroneously connected. Connections can be significantly reduced.
Further, the cable C can be manufactured uniformly (there is no need to separately manufacture the cable C), and there is no need for management, manufacturing switching, and the like.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing one embodiment of the present invention.

FIG. 2 is a cross-sectional view showing another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Identification band 6 Outer peripheral surface C cable

Claims (2)

[Claims] 1. A cable identification structure, wherein a plurality of identification strips having different colors are detachably attached to an outer peripheral surface of a cable and are continuously attached in a longitudinal direction. 2. A cable identification structure, wherein a plurality of identification strips of the same color are detachably attached to an outer peripheral surface of a cable and are continuously attached in a longitudinal direction.