CN211654370U

CN211654370U - Weak current cable

Info

Publication number: CN211654370U
Application number: CN201922396831.6U
Authority: CN
Inventors: 兰立新
Original assignee: Yangzhou Yineng Electronic Network Co ltd
Current assignee: Yangzhou Yineng Electronic Network Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-09
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a light current cable belongs to cable technical field. The cable comprises a conductor, the conductor crowded package has the insulating layer outward, the insulating layer outside is equipped with fire-retardant layer, fire-retardant layer outside is enough to become the internal shield layer around the package steel band, conductor, insulating layer, fire-retardant layer and internal shield layer constitute the sinle silk unit, the sinle silk unit is equipped with two at least, sinle silk unit outside is equipped with the filling layer, still be equipped with a plurality of enhancement steel cores and hollow buffer tube in the filling layer, it has the weaving layer to strengthen the steel core outside around the package, the outer shielding layer of crowded package has the external shield layer outward, the outer shielding layer is crowded package outward and has the oversheath. The utility model has reasonable structure design, the outside of the wire core unit is provided with the filling layer, and the reinforcing steel core is arranged in the filling layer, thereby increasing the overall strength of the cable; the buffer tubes are arranged in the filling layer at the same time, so that the friction and collision among the wire cores can be reduced in the using process; the inner and outer shielding layers are adopted, so that the anti-interference capability is strong; the cable has stable structure and long service life.

Description

Weak current cable

Technical Field

The utility model relates to a cable technical field, specifically speaking especially relates to a light current cable.

Background

The weak current is a power consumption, which is compared with a power consumption and a lighting consumption, and generally, the electric energy for transmitting signals and exchanging information is called as the weak current. The weak current processing objects are mainly information, namely the transmission and control of the information, and are characterized by low voltage, low current, low power and high frequency.

The existing weak current cable usually adopts a multi-core conductor, the application environment in real life often has the phenomenon that a plurality of different electric wires and cables work simultaneously, a plurality of electrical devices are in operation, the radiation is inevitably caused in the working process of the electrical devices and the electric wires and cables, the signal transmission of the weak current cable is influenced by the radiation, and meanwhile, the existing weak current cable is weak in stretch-resistant performance and short in service life.

Disclosure of Invention

In order to solve the problem, the utility model discloses a light current cable, tensile strength is high, and can avoid magnetic field and radio signal's interference.

The utility model discloses a realize through following technical scheme:

the utility model provides a light current cable, includes the conductor, the conductor is crowded outward and is wrapped there is the insulating layer, the insulating layer outside is equipped with fire-retardant layer, fire-retardant layer outside is enough to become the internal shield layer around the package steel band, conductor, insulating layer, fire-retardant layer and internal shield layer constitute the sinle silk unit, the sinle silk unit is equipped with two at least, sinle silk unit outside is equipped with the filling layer, still be equipped with a plurality of enhancement steel cores and hollow buffer tube in the filling layer, it has the weaving layer to strengthen the steel core outside around the package, the outer shielding layer has crowded package outward of filling layer, the outer shielding layer is crowded package outward and is had.

The insulating layer is formed by extruding thermosetting polyolefin material.

The flame-retardant layer is made of low-smoke halogen-free polyethylene.

The filling layer is an ethylene propylene diene monomer filling layer.

The woven layer is formed by weaving aramid fibers.

The hollow buffer tube is a carbon corrugated tube.

The outer shielding layer is made of semiconductive fluororubber.

The outer sheath is made of thermoplastic halogen-free low-smoke flame-retardant polyolefin sheath material.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has the advantages of reasonable design, set up the filling layer outside the core unit to set up the enhancement steel core in the filling layer, increased the bulk strength of cable, the enhancement steel core outside is around the package weaving layer, has further promoted the tensile property of cable; the buffer tubes are arranged in the filling layer at the same time, so that the friction and collision among the wire cores can be reduced in the using process; the inner and outer shielding layers are adopted, so that the anti-interference capability is strong; the cable has stable structure and long service life.

Drawings

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

In the figure: 1. a conductor; 2. an insulating layer; 3. a flame retardant layer; 4. an inner shield layer; 5. a filling layer; 6. reinforcing the steel core; 7. weaving layer; 8. a hollow buffer tube; 9. an outer shield layer; 10. an outer sheath.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

the utility model provides a light current cable, includes conductor 1, 1 outer crowded package of conductor has insulating

layer

2, 2 outsides of insulating layer are equipped with fire-retardant layer 3, 3 outsides of fire-retardant layer are enough to become internal shield layer 4 around the package steel band, conductor 1, insulating layer 2, fire-retardant layer 3 and internal shield layer 4 constitute the sinle silk unit, the sinle silk unit is equipped with two at least, sinle silk unit outside is equipped with filling layer 5, still be equipped with a plurality of enhancement steel cores 6 and hollow buffer tube 8 in the filling layer 5, it has weaving layer 7 to strengthen 6 outsides of steel cores around the package, 5 outer crowded packages of filling layer have external shielding layer 9, external shielding layer 9 outer crowded packages has oversheath 10.

The insulating layer 2 is formed by extruding thermosetting polyolefin materials. The flame retardant layer 3 is made of low smoke halogen-free polyethylene. The woven layer 7 is formed by weaving aramid fibers. The hollow buffer tube 8 is a carbon corrugated tube. The outer shielding layer 9 is made of semiconductive fluororubber. The outer sheath 10 is made of thermoplastic halogen-free low-smoke flame-retardant polyolefin sheath material.

As shown in the attached figure 1 of the specification, the weak current cable comprises a conductor 1, an insulating layer 2 is extruded outside the conductor 1, a flame-retardant layer 3 is arranged outside the insulating layer 2, an inner shielding layer 4 can be formed by wrapping steel strips outside the flame-retardant layer 3, the conductor 1, the insulating layer 2, the flame-retardant layer 3 and the inner shielding layer 4 form a cable core unit, at least two cable core units are arranged, a filling layer 5 is arranged outside the cable core unit, a plurality of reinforcing steel cores 6 and hollow buffer tubes 8 are further arranged in the filling layer 5, the number of the reinforcing steel cores 6 is 3, a braided layer 7 is wrapped outside the cable core unit, an outer shielding layer 9 is extruded outside the filling layer 5, an outer sheath 10 is extruded outside the outer shielding layer 9, the insulating layer 2 is extruded by thermosetting polyolefin materials, the flame-retardant layer 3 is made of low-smoke halogen-free polyethylene, the braided layer 7 is woven by aramid fibers, the hollow buffer tube 8 is a carbon corrugated tube, the, the outer sheath 10 is made of thermoplastic halogen-free low-smoke flame-retardant polyolefin sheath material.

In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A light current cable, characterized in that: including conductor (1), conductor (1) crowded package has insulating layer (2) outward, insulating layer (2) outside is equipped with fire-retardant layer (3), fire-retardant layer (3) outside is enough to become internal shield layer (4) around the package steel band, conductor (1), insulating layer (2), fire-retardant layer (3) and internal shield layer (4) constitute sinle silk unit, sinle silk unit is equipped with two at least, sinle silk unit outside is equipped with filling layer (5), still be equipped with a plurality of enhancement steel cores (6) and hollow core (8) in filling layer (5), it has buffer layer (7) to strengthen steel core (6) outside around the package, filling layer (5) crowded package outward has external shield (9), external shield (9) crowded package outward has oversheath (10).

2. A light-current cable according to claim 1, wherein: the insulating layer (2) is formed by extruding and wrapping thermosetting polyolefin materials.

3. A light-current cable according to claim 1, wherein: the flame-retardant layer (3) is made of low-smoke halogen-free polyethylene.

4. A light-current cable according to claim 1, wherein: the filling layer (5) is an ethylene propylene diene monomer filling layer.

5. A light-current cable according to claim 1, wherein: the woven layer (7) is formed by weaving aramid fibers.

6. A light-current cable according to claim 1, wherein: the hollow buffer tube (8) is a carbon corrugated tube.

7. A light-current cable according to claim 1, wherein: the outer shielding layer (9) is made of semi-conductive fluororubber.

8. A light-current cable according to claim 1, wherein: the outer sheath (10) is made of thermoplastic halogen-free low-smoke flame-retardant polyolefin sheath material.