CN212032717U - High-performance weak current cable - Google Patents

Abstract

The utility model relates to a high performance light current cable, it includes the conductor outside is equipped with the internal shield layer outside is equipped with the internal insulation layer outside is equipped with the external shield layer outside is equipped with the external insulation layer outside is equipped with the internal braid layer, and they constitute electrically conductive unit, electrically conductive unit is equipped with threely at least, and they are circumscribed to set up be equipped with the obturator between electrically conductive unit outside clearance. The utility model discloses the cable roundness is good, and tensile strength is high, and coiling performance is good, can avoid magnetic field and radio signal interference.

Description

High-performance weak current cable

Technical Field

The utility model relates to a cable, concretely relates to 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 generally adopts a multi-core conductor, the multi-core conductor generally has the problems of more material consumption, poor winding performance and the like, in addition, 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 equipment are in operation, the electrical equipment and the electric wires and cables inevitably cause radiation in the working process, and the radiation can cause the signal transmission of the weak current cable to be influenced; in addition, cable roundness is difficult to ensure.

Disclosure of Invention

The purpose of the invention is as follows: the utility model aims at overcoming the not enough among the prior art, provide a stranding circularity good, tensile strength is high, and coiling performance is good, can avoid magnetic field and radio signal interference's low-current cable of high performance.

The technical scheme is as follows: in order to solve the technical problem, the utility model provides a high-performance weak current cable, which comprises a conductor, an inner shielding layer is arranged outside the conductor, an inner insulating layer is arranged outside the inner shielding layer, an outer shielding layer is arranged outside the inner insulating layer, an outer insulating layer is arranged outside the outer shielding layer, an inner braided layer is arranged outside the outer insulating layer, the inner braided layer forms a conductive unit, at least three conductive units are arranged in an externally tangent mode, a filling body is arranged between the external gap of the conductive unit, the filling body comprises two inner arc sections, the middle of the two inner arc sections is connected through an arc transition section, outer arc sections are respectively arranged at the outer end parts of the two inner arc sections, the end parts of the outer arc sections are connected with the inner arc sections through connecting sections, reinforcing rib sheets are arranged between the inner arc sections and the outer arc sections, the conductive unit and the filling body form a circular cable core, the cable comprises a cable core and is characterized in that a wrapping layer is arranged outside the cable core, an outer woven layer is arranged outside the wrapping layer, a fireproof layer is arranged outside the outer woven layer, and an outer sheath is arranged outside the fireproof layer.

The inner woven layer is vertically woven by spandex fiber yarns according to 1-to-1.

The outer woven layer is formed by vertically weaving aramid fiber yarns according to 1-layer-1.

The fireproof layer is an inorganic short fiber viscose fireproof layer.

Has the advantages that: compared with the prior art, the utility model, it is showing the advantage and is: the utility model has the advantages of reasonable overall structure, adopt and weave the interior weaving layer that forms perpendicularly according to 1 pile 1 by the spandex cellosilk, and adopt and weave the outer weaving layer that forms perpendicularly according to 1 pile 1 by the aramid fiber silk, effectively improve the tensile strength of sinle silk unit, adopt inner shield layer and outer shielding layer, the interference killing feature is stronger, adopt the packing strip, it is effectual to fill, the circularity, the holding power, intensity is better, adopt inorganic short-staple viscose flame retardant coating, can play fine isolation flame retardant efficiency, and even catch fire, also can alleviate the pollution to the nature, play the environmental protection effect, this product passes through each layer cooperation, the operation is steady reliable, whole long service life, accord with the in-service use requirement.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present invention;

fig. 2 is a schematic structural diagram of the filling body of the present invention.

Detailed Description

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

As shown in fig. 1 and 2, the high performance weak current cable of the present invention comprises a conductor 1, an inner shield layer 2 is disposed outside the conductor 1, an inner insulating layer 3 is disposed outside the inner shield layer 2, an outer shield layer 4 is disposed outside the inner insulating layer 3, an outer insulating layer 5 is disposed outside the outer shield layer 4, an inner braid layer 6 is disposed outside the outer insulating layer 5, which form a conductive unit, the conductive unit is three, which are externally tangent, the inner braid layer 6 is vertically woven by spandex fiber according to 1-to-1, a filler 7 is disposed between the outer gaps of the conductive unit, the filler 7 comprises two inner arc sections 8, the middle of the two inner arc sections 8 is connected through an arc transition section 9, outer arc sections 10 are disposed at the outer end portions of the two inner arc sections 8, the end portion of the outer arc section 10 is connected with the inner arc section 8 through a connection section 11, be equipped with between inner arc section 8 and outer arc section 10 and strengthen muscle piece 12, the circular shape cable core is constituteed with obturator 7 to electrically conductive unit, is equipped with around covering 13 outside the cable core outer weaving layer 14 is equipped with around covering 13 outside, outer weaving layer 14 is woven according to 1 pile of 1 perpendicularly by aramid fiber silk and forms outer weaving layer 14 outside is equipped with flame retardant coating 15, flame retardant coating 15 is inorganic short fiber viscose flame retardant coating 15 outside of flame retardant coating is equipped with oversheath 16. The utility model has the advantages of reasonable overall structure, adopt and weave the interior weaving layer that forms perpendicularly according to 1 pile 1 by the spandex cellosilk, and adopt and weave the outer weaving layer that forms perpendicularly according to 1 pile 1 by the aramid fiber silk, effectively improve the tensile strength of sinle silk unit, adopt inner shield layer and outer shielding layer, the interference killing feature is stronger, adopt the packing strip, it is effectual to fill, the circularity, the holding power, intensity is better, adopt inorganic short-staple viscose flame retardant coating, can play fine isolation flame retardant efficiency, and even catch fire, also can alleviate the pollution to the nature, play the environmental protection effect, this product passes through each layer cooperation, the operation is steady reliable, whole long service life, accord with the in-service use requirement.

The utility model provides a thinking and method, the method and the way of specifically realizing this technical scheme are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary technical personnel in this technical field, not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as the utility model discloses a protection range, each component that does not make clear and definite in this embodiment all can be realized with prior art.

Claims (4)

1. A high-performance weak current cable is characterized in that: the cable comprises a conductor (1), an inner shielding layer (2) is arranged outside the conductor (1), an inner insulating layer (3) is arranged outside the inner shielding layer (2), an outer shielding layer (4) is arranged outside the inner insulating layer (3), an outer insulating layer (5) is arranged outside the outer shielding layer (4), an inner woven layer (6) is arranged outside the outer insulating layer (5) and forms a conductive unit, at least three conductive units are arranged and externally tangent to each other, a filling body (7) is arranged between external gaps of the conductive unit, the filling body (7) comprises two inner arc sections (8), the middle parts of the two inner arc sections (8) are connected through arc transition sections (9), outer arc sections (10) are respectively arranged at the outer end parts of the two inner arc sections (8), and the end part of the outer arc section (10) is connected with the inner arc section (8) through a connecting section (11), be equipped with between interior arc section (8) and outer arc section (10) strengthening rib piece (12), the circular shape cable core is constituteed with obturator (7) to the conductive element, is equipped with around covering (13) outside the cable core be equipped with outer weaving layer (14) around covering (13) outside outer weaving layer (14) outside is equipped with flame retardant coating (15) outside is equipped with oversheath (16).

2. The high performance light current cable of claim 1, wherein: the inner weaving layer (6) is vertically woven by spandex fiber yarns according to 1-to-1.

3. The high performance light current cable of claim 1, wherein: the outer woven layer (14) is formed by vertically weaving aramid fiber yarns according to 1-layer-1.

4. The high performance light current cable of claim 1, wherein: the fireproof layer (15) is an inorganic short fiber viscose fireproof layer.

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