CN217361165U - Composite coaxial cable capable of simultaneously realizing power supply and information transmission - Google Patents

Abstract

The utility model belongs to the technical field of the communication cable technique and specifically relates to a can realize power supply and information transmission's compound coaxial cable simultaneously. The power line pair penetrates through the inner cavity of the coaxial cable, round holes are formed in the side walls of the two ends of the coaxial cable, and the power line pair penetrates through the round holes to be led out of the coaxial cable. The power line pair is arranged in the inner conductor pipe, so that the field construction strength is reduced, and the signal transmission and the equipment power supply requirements can be realized at the same time by once wiring; the power line is oppositely arranged in the inner conductor tube, and the fire hazard is reduced because the inner conductor tube is not burnt; the power line pair is arranged in the inner conductor tube, so that the outer sheath process of the power line pair does not need to be considered, the production cost is reduced, the structure is simple, the production cost is low, the construction and arrangement are convenient, the flexible arrangement can be realized, the operation is convenient, and the application range is wide.

Description

Composite coaxial cable capable of simultaneously realizing power supply and information transmission

Technical Field

The utility model belongs to the technical field of the communication cable technique and specifically relates to a can realize power supply and information transmission's compound coaxial cable simultaneously.

Background

With the advent of the information-oriented era, communication technologies are rapidly popularized and applied, and especially wireless communication networks have become essential information sources in people's lives.

In the existing indoor wireless signal coverage field, a communication data line or a communication optical cable is mainly adopted as a transmission line to be formed in a matching mode with active WIFI equipment. Due to the fact that the transmission distance of the communication data line is limited, the range of 100 meters is generally needed, the effective transmission distance is shorter along with the improvement of the transmission bandwidth, and the whole application range is limited. By adopting the communication optical cable mode, although the transmission distance is greatly improved, the power supply problem of active equipment exists, a power line needs to be distributed for the second time to supply power for the active equipment, and the construction efficiency is low; the laying of communication power lines is increased, and fire hazards caused by power line faults exist. Meanwhile, an optical cable is used as a transmission line, a photoelectric conversion module needs to be arranged in the WIFI device, communication signals need to be subjected to photoelectric conversion for many times, and the photoelectric conversion module increases implementation cost. Meanwhile, the connection end of the optical fiber in the optical cable needs to be installed on a wiring site, and needs professional optical fiber fusion splicing equipment and professional technology, so that the requirement on constructors is high, and the construction efficiency is influenced. In addition, due to the introduction of the optical signal, a fault easily occurs, so that the problems that communication faults occur frequently and the communication faults are not easy to maintain and the like are caused.

In other indoor and outdoor communication transmission fields, along with the improvement of communication frequency, signal attenuation is large in existing coaxial cable long-distance transmission, although the actual transmission distance is far greater than a communication data line, the influence of distance limitation still exists, active equipment such as a power amplifier needs to be added in the middle section of laying, signal amplification is enhanced, and the power supply problem of the active equipment needs to be effectively solved.

Therefore, there is a need for a coaxial cable that effectively solves the above problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the composite coaxial cable can meet the requirements of signal transmission and equipment power supply at the same time through one-time wiring, reduces fire hazard, and can realize flexible wiring and power supply and information transmission at the same time.

The utility model provides a technical scheme that its technical problem adopted is: a composite coaxial cable capable of realizing power supply and information transmission simultaneously comprises a coaxial cable, wherein a power line pair penetrates through an inner cavity of the coaxial cable, round holes are formed in side walls of two ends of the coaxial cable, and the power line pair penetrates through the round holes and is led out of the coaxial cable.

Further, the coaxial cable comprises an inner conductor tube and an outer conductor, the power line pair penetrates through an inner cavity of the inner conductor tube, an insulating layer is arranged between the inner conductor tube and the outer conductor, and a sheath layer wraps the outer surface of the outer conductor.

Furthermore, the power line pair is composed of two parallel arranged single cables, and a plurality of conical plugs are arranged on the power line pair at intervals.

Furthermore, the cable single line comprises a single line inner conductor and a single line insulating layer which are sequentially arranged from inside to outside, and cable jointing clamps are arranged at two ends of the cable single line.

Furthermore, the inner conductor pipe is a smooth copper pipe or a spiral thread welded copper pipe.

Further, the round hole is extended to the inner conductor tube from the sheath layer.

The beneficial effects of the utility model are that: the utility model discloses 1, put power cord in the inner conductor pipe oppositely, reduced site operation intensity, can once lay wire and realize signal transmission and equipment power supply demand simultaneously;

2. the power line is oppositely arranged in the inner conductor tube, and the fire hazard is reduced because the inner conductor tube is not burnt;

3. the power line pair is arranged in the inner conductor tube, so that the outer sheath process of the power line pair is not needed to be considered, and the production cost is reduced;

4. the structure is simple, the production cost is low, the construction and the arrangement are convenient, the flexible arrangement can be realized, the operation is convenient, and the application range is wide.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural diagram of the power line pair of the present invention;

FIG. 4 is a diagram illustrating the usage status of the present invention;

in the figure: 1. a power line pair, 2, a coaxial cable,

11. the single wires of the cable,

21. an inner conductor tube, 22, an insulating layer, 23, an outer conductor, 24, a sheath layer, 25, a round hole,

111. single wire inner conductor, 112, single wire insulation, 113, cable clamp, 114, tapered plug.

Detailed Description

The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

The composite coaxial cable capable of simultaneously realizing power supply and information transmission as shown in fig. 1-4 is suitable for communication signal coverage in commercial buildings, and comprises a coaxial cable 2, wherein a power line pair 1 penetrates through an inner cavity of the coaxial cable 2, circular holes 25 are formed in side walls of two ends of the coaxial cable 2, and the power line pair 1 penetrates through the circular holes 25 and is led out of the coaxial cable 2. Therefore, the signal transmission and power supply functions can be realized, the rapid distribution can be realized, the distribution construction efficiency is improved, and the fire hazard is reduced.

As shown in fig. 2, the coaxial cable 2 includes an inner conductor tube 21 and an outer conductor 23, the power line pair 1 is inserted into an inner cavity of the inner conductor tube 21, an insulating layer 22 is disposed between the inner conductor tube 21 and the outer conductor 23, a sheath layer 24 is wrapped on an outer surface of the outer conductor 23, and a circular hole 25 is formed by extending the sheath layer 24 to the inner conductor tube 21. In addition, the power line pair 1 is composed of two parallel single cables 11, which respectively constitute a live line and a zero line required for power supply. The two single cables 11 are respectively distinguished by insulating layers 112 with different colors, such as: the live wire adopts red and zero lines which adopt black, and can also adopt color bars or color bands with other colors.

The inner conductor tube 21 is a smooth copper tube or a spiral-line welded copper tube, the other parts are conventional coaxial cable materials and structures, and if the spiral-line welded copper tube is adopted, the discharge source line pairs 1 can be distributed in the copper tube simultaneously while the copper tube is subjected to line rolling welding. Because the friction force is great in the smoother copper pipe of spiral line welding copper pipe, be not convenient for place the mode that utilizes the negative pressure suction with the power line pair.

A plurality of conical plugs 114 are arranged on the power line pair 1 at intervals, the conical plugs 114 are rubber conical plugs and are used for conveniently placing the power line pair 1 in the inner conductor tube 21 and preventing the power line pair from falling off from the inner conductor tube 21, and the maximum outer diameter of each conical plug 114 is slightly smaller than the inner diameter of the inner conductor tube 21 by 1-2 mm.

As shown in fig. 3, the single cable wire 11 includes a single wire inner conductor 111 and a single wire insulating layer 112, which are sequentially arranged from inside to outside, and cable jointing clamps 113 are installed at both ends of the single cable wire 11.

The installation process is as follows:

step 1: in the factory, a plurality of conical plugs 114 are arranged at intervals on two single cables 11;

and 2, step: two single cables 11 provided with conical plugs 114 are threaded into the processed inner conductor tube 21 in a factory;

and 3, step 3: in a construction and arrangement site, after the coaxial cable 2 is installed, round holes 25 are respectively punched at two ends of the coaxial cable 2 from the wall body of the outer sheath 24 to the inner conductor pipe 21, two ends of the power line pair 1 respectively penetrate through the round holes 25, the power line pair 1 is led out of the coaxial cable, and corresponding sealing and waterproof treatment is carried out.

And 4, step 4: as shown in fig. 4, when in use, connectors are installed at two ends of a cable, the cable is connected with a communication equipment host through a coaxial cable jumper, and two single cables 11 are connected with a communication power supply through a power supply jumper;

meanwhile, according to the transmission distance, a plurality of cables are selected for splicing, and a client can add active equipment such as a power amplifier in the middle section of cable laying according to the requirement to increase signals.

While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims (6)

1. The utility model provides a can realize power supply and information transmission's compound coaxial cable simultaneously which characterized in that: the coaxial cable protection device is characterized by comprising a coaxial cable (2), wherein a power line pair (1) penetrates through an inner cavity of the coaxial cable (2), round holes (25) are formed in side walls of two ends of the coaxial cable (2), and the power line pair (1) penetrates through the round holes (25) to be led out of the coaxial cable (2).

2. The composite coaxial cable of claim 1, wherein said composite coaxial cable is capable of providing both power and information transmission, and wherein: the coaxial cable (2) comprises an inner conductor tube (21) and an outer conductor (23), the power line pair (1) is arranged in an inner cavity of the inner conductor tube (21) in a penetrating mode, an insulating layer (22) is arranged between the inner conductor tube (21) and the outer conductor (23), and a sheath layer (24) wraps the outer surface of the outer conductor (23).

3. The composite coaxial cable of claim 2, wherein said composite coaxial cable is capable of providing power and transmitting information simultaneously, and further comprising: the power line pair (1) is composed of two parallel single cables (11), and a plurality of conical plugs (114) are arranged on the power line pair (1) at intervals.

4. A composite coaxial cable for simultaneously providing power and transmitting information as claimed in claim 3, wherein: the cable single line (11) include single line inner conductor (111) and single line insulating layer (112) that set gradually from inside to outside, cable binding clip (113) are all installed at the both ends of cable single line (11).

5. The composite coaxial cable of claim 2, wherein said composite coaxial cable is capable of providing power and transmitting information simultaneously, and further comprising: the inner conductor pipe (21) is a smooth copper pipe or a spiral thread welded copper pipe.

6. The composite coaxial cable of claim 1, wherein said composite coaxial cable is capable of providing both power and information transmission, and wherein: the round hole (25) extends to the inner conductor tube (21) from the sheath layer (24).

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