CN216902331U

CN216902331U - Flexible nuclear-resistant cable for electromagnetic pulse

Info

Publication number: CN216902331U
Application number: CN202123051622.1U
Authority: CN
Inventors: 郑煜滨
Original assignee: Shenzhen Xinhua Speed Wire And Cable Co ltd
Current assignee: Shenzhen Xinhua Speed Wire And Cable Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-07-05
Anticipated expiration: 2031-12-07

Abstract

The utility model provides a flexible anti-nuclear electromagnetic pulse cable, which comprises a cable body, wherein the cable body comprises a sheath, a metal braided wire, a shielding layer and a supporting ball, scale marks are carved on the surface of the sheath, the metal braided wire is wound inside the sheath, a metal baffle ring is sleeved on the surface of the metal braided wire, the shielding layer is arranged on the inner side of the metal braided wire, a twisted pair is inserted into the inner side of the shielding layer, convex spines are arranged on the surface of the supporting ball, an insulating layer is sleeved on the surface of the twisted pair, a conductor is inserted into the twisted pair, the conductor is composed of a plurality of strands of superfine twisted copper wires without oxygen, the filling layer is composed of cotton wires, the shielding layer is composed of aluminum foil wrapping and tinned copper wire weaving, and the flexible anti-nuclear electromagnetic pulse cable has good flexibility and anti-nuclear electromagnetic pulse performance, the later stage of being convenient for is repaired, and the maintenance effect is more level and more smooth, and the internal stability is stronger.

Description

Flexible nuclear-resistant cable for electromagnetic pulse

Technical Field

The utility model relates to the technical field of cables, in particular to a flexible nuclear electromagnetic pulse resistant cable.

Background

The application range of the cable is very wide, and the cable is required to have stronger harsh environment resistance in the application of the aviation or military field, wherein the harsh environment resistance comprises nuclear electromagnetic pulse resistance. Electromagnetic pulse waves generated by nuclear explosion are propagated in a space radiation mode, have the characteristics of large amplitude, short action time and wide range, and can damage cable facilities.

The existing nuclear-resisting electromagnetic pulse cable is characterized in that a shielding layer is filled to realize the nuclear-resisting electromagnetic pulse effect, but the cable is installed in the field more, the surface is easy to wear along with the increase of the service time, if the cable is damaged seriously, the outer rubber is required to be repaired, the existing repairing mode is to add new rubber on the surface, therefore, the cable can be bulged after the repairing is completed, the cable is not smooth enough, due to a protruding structure, the probability of the secondary wear of the position is higher than that of other areas, on the other hand, the existing cable is only filled with cotton wires, the supporting effect cannot be achieved, and the isolation strength of an internal twisted pair is not enough.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a flexible nuclear electromagnetic pulse resistant cable to solve the problems in the background art.

In order to realize the purpose, the utility model is realized by the following technical scheme: a flexible anti-nuclear electromagnetic pulse cable comprises a cable body, wherein the cable body comprises a sheath, a metal braided wire, a shielding layer and a supporting ball, scale marked lines are carved on the surface of the sheath, the metal braided wire is wound inside the sheath, a metal baffle ring is sleeved on the surface of the metal braided wire, the shielding layer is arranged on the inner side of the metal braided wire, a twisted pair is inserted into the inner side of the shielding layer, a filling layer and the supporting ball are arranged on the side edge of the twisted pair, protruding spines are arranged on the surface of the supporting ball, an insulating layer is sleeved on the surface of the twisted pair, and conductors are inserted into the twisted pair.

As a preferred embodiment of the utility model, the conductor is composed of a plurality of strands of superfine fine twisted oxygen-free copper wires, the filling layer is composed of cotton wires, and the shielding layer is composed of aluminum foil wrapping and tinned copper wire weaving.

In a preferred embodiment of the present invention, the shielding layer has a shielding rate of 85% or more.

In a preferred embodiment of the present invention, the scale markings and the inner metal retaining rings are the same in number and size, and the marking positions of the scale markings and the inner corresponding metal retaining rings are in the same vertical plane.

In a preferred embodiment of the present invention, the support balls are plastic ball particles, and the protrusions are embedded in the shielding layer or the insulating layer.

As a preferred embodiment of the present invention, the supporting balls are provided in a plurality of groups, the number of the supporting balls in each group is one more than the number of the strands of the twisted pair, and each group of the supporting balls is filled in the same vertical plane.

The utility model has the beneficial effects that: the utility model discloses a flexible anti-nuclear electromagnetic pulse cable which comprises a cable body, wherein the cable body comprises a sheath, scale markings, metal braided wires, a shielding layer, a twisted pair, an insulating layer, a conductor, a supporting ball, a convex thorn, a filling layer and a metal baffle ring.

1. This nuclear electromagnetic pulse is resisted to compliance cable is compiled through the wire and is constituteed in inside, has certain dyeability, and resists cutting and pressing, receives wearing and tearing when the outside and makes the fracture back of surface sheath, and the metal braided wire plays the second floor guard action, has improved holistic structural strength greatly.

2. This anti nuclear electromagnetic pulse of compliance cable for can play fixed antiskid and move the effect with the spur on supporting the ball surface, receives the extrusion back when this cable externally, utilizes the support ball of stereoplasm, can ensure that the state between every strand of twisted pair is unchangeable, can not receive extrusion deformation, improves life, and the spheroid structure still can keep the holistic pliability of cable.

3. The flexibility anti-nuclear electromagnetic pulse cable can avoid the bulge of the repaired rear surface, and ensures that the diameter difference between the repaired position and other positions is not large, thereby preventing the position from being easily abraded again, and improving the repairing effect and the use timeliness after repair.

Drawings

FIG. 1 is a schematic structural diagram of the outer shape of a flexible anti-nuclear electromagnetic pulse cable according to the present invention;

FIG. 2 is a cross-sectional view of a flexible nuclear-resistant electromagnetic pulse cable of the present invention;

FIG. 3 is a side cross-sectional view of a flexible nuclear-resistant electromagnetic pulse cable of the present invention;

FIG. 4 is a schematic structural diagram of a support ball of the flexible anti-nuclear electromagnetic pulse cable according to the present invention;

in the figure: 1. a sheath; 2. scale marking; 3. metal braided wires; 4. a shielding layer; 5. a twisted pair; 6. an insulating layer; 7. a conductor; 8. a support ball; 9. convex thorns; 10. a filling layer; 11. And a metal baffle ring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a flexible anti-nuclear electromagnetic pulse cable comprises a cable body, wherein the cable body comprises a sheath 1, a metal braided wire 3, a shielding layer 4 and a supporting ball 8, scale markings 2 are marked on the surface of the sheath 1, the metal braided wire 3 is wound inside the sheath 1, a metal baffle ring 11 is sleeved on the surface of the metal braided wire 3, the shielding layer 4 is arranged on the inner side of the metal braided wire 3, a twisted pair 5 is inserted into the inner side of the shielding layer 4, a filling layer 10 and the supporting ball 8 are arranged on the side edge of the twisted pair 5, protruding thorns 9 are arranged on the surface of the supporting ball 8, an insulating layer 6 is sleeved on the surface of the twisted pair 5, and a conductor 7 is inserted into the twisted pair 5.

As a preferred embodiment of the utility model, the conductor 7 is composed of a plurality of strands of superfine fine twisted oxygen-free copper wires, the filling layer 10 is composed of cotton wires, and the shielding layer 4 is composed of aluminum foil wrapping and tinned copper wire weaving, so that the whole body is ensured to have a good nuclear electromagnetic pulse resistance function.

In a preferred embodiment of the present invention, the shielding layer 4 has a shielding rate of 85% or more, and has an excellent shielding effect against external electromagnetic interference.

In a preferred embodiment of the present invention, the scale markings 2 and the inner metal blocking rings 11 are the same in number and size, and the marking positions of the scale markings 2 and the inner corresponding metal blocking rings 11 are in the same vertical plane, and after cutting along the scale markings 2, the metal blocking rings 11 block the cutting to avoid cutting the inner shielding layer 4.

In a preferred embodiment of the present invention, the support balls 8 are plastic ball particles, and the burs 9 are fitted into the shielding layer 4 or the insulating layer 6, and are locked at the mounting position by the burs 9 to prevent rolling displacement.

In a preferred embodiment of the present invention, the supporting balls 8 are provided in a plurality of groups, the number of the supporting balls 8 in each group is one more than the number of the strands of the twisted pair 5, and each group of the supporting balls 8 is filled in the same vertical plane, and the supporting balls 8 on the agreed vertical plane are used to support and prevent pressure in the nearby area.

The working principle is as follows: the flexible nuclear-resistant electromagnetic pulse cable consists of a sheath 1, a metal braided wire 3, a shielding layer 4 and supporting balls 8, wherein the cross-sectional area of the cable is more than or equal to 0.5mm2, the cable can be installed in an environment with the temperature ranging from minus 30 ℃ to 90 ℃, 2KV/5min discharge detection is realized, the nuclear-resistant electromagnetic pulse effect is realized by weaving aluminum foil wrapped with tinned copper wires inside the cable, the surface of the shielding layer 4 is provided with the metal braided wire 3 which is woven by metal wires and has certain dyeing property and resistance to slash, the structure can well protect the inner shielding layer 4 from being damaged, when the surface sheath 1 is broken due to abrasion outside, the metal braided wire 3 plays a second layer of protection, the integral structural strength is greatly improved, the shielding layer 4 is effectively protected, the cable is arranged on the surface of the metal braided wire 3, and the supporting balls 8 are filled outside the twisted pair 5 at intervals, the number of each group of supporting balls 8 is one more than the number of the twisted pairs 5, the supporting balls 8 are made of plastic materials and are matched with cotton threads filled inside, each twisted pair 5 is separated from each other, the contact between the twisted pairs 5 is avoided, the electromagnetic interference is enhanced, the supporting balls 8 can be fixed on the filled positions by using a plurality of convex thorns 9 arranged on the surfaces of the supporting balls 8, the convex thorns 9 are clamped in the shielding layer 4 on the outer side and the insulating layer 6 on the surface of the twisted pair 5 on the inner side, so that the fixed anti-sliding effect is achieved, the hard supporting balls 8 are utilized, after the cable is extruded outside, the state between each twisted pair 5 can be kept unchanged by the supporting balls 8, the cable cannot be extruded and deformed, the service life is prolonged, the overall flexibility of the cable can be still maintained by the ball structure, and the cable needs to be repaired once the surface is abraded and broken, the scale marking 2 is carved with on the surface of this cable, the inboard of this scale marking 2 is corresponding the position that the metal kept off ring 11, use outside cutting tool to cut along the scale marking 2 of damaged position both sides, can be stopped by inboard metal fender ring 11 at last, thereby avoid cutting excessively to damage inside shielding layer 4, the fault-tolerant rate has been improved, convolute new sheath 1 on the region after the cutting again after the cutting, use conventional heating shrinkage mode to glue it firmly and can restore the completion, the uplift can be avoided restoreing the rear surface to this structure, ensure that the diameter difference of restoration position and other positions is not big, thereby prevent this position and take place wearing and tearing once more, the restoration effect has been improved.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an anti nuclear electromagnetic pulse of compliance cable, includes the cable body, its characterized in that: the cable comprises a sheath (1), a metal braided wire (3), a shielding layer (4) and a supporting ball (8), wherein a scale marking (2) is carved on the surface of the sheath (1), the metal braided wire (3) is wound inside the sheath (1), a metal baffle ring (11) is sleeved on the surface of the metal braided wire (3), the shielding layer (4) is arranged on the inner side of the metal braided wire (3), a twisted pair (5) is inserted into the inner side of the shielding layer (4), a filling layer (10) and the supporting ball (8) are arranged on the side edge of the twisted pair (5), a convex prick (9) is arranged on the surface of the supporting ball (8), an insulating layer (6) is sleeved on the surface of the twisted pair (5), and a conductor (7) is inserted into the twisted pair (5).

2. The flexible nuclear-electromagnetic-pulse-resistant cable according to claim 1, wherein: the conductor (7) is composed of a plurality of strands of superfine twisted anaerobic copper wires, the filling layer (10) is composed of cotton wires, and the shielding layer (4) is composed of aluminum foil wrapping and tinned copper wire weaving.

3. The flexible nuclear-electromagnetic-pulse-resistant cable according to claim 1, wherein: the shielding layer (4) has a shielding rate of 85% or more.

4. The flexible nuclear-electromagnetic-pulse-resistant cable according to claim 1, wherein: the scale mark line (2) and the metal baffle ring (11) inside are identical in quantity and size, and the imprinting position of the scale mark line (2) and the metal baffle ring (11) corresponding to the inside are located in the same vertical plane.

5. The flexible nuclear-electromagnetic-pulse-resistant cable according to claim 1, wherein: the supporting balls (8) are plastic ball particles, and the convex thorns (9) are embedded in the shielding layer (4) or the insulating layer (6).

6. The flexible nuclear-electromagnetic-pulse-resistant cable according to claim 1, wherein: the supporting balls (8) are provided with a plurality of groups, the number of each group of supporting balls (8) is one more than that of the twisted pair (5), and each group of supporting balls (8) are filled in the same vertical plane.