CN220491634U - Cable with cold-resistant anti-interference performance - Google Patents

Cable with cold-resistant anti-interference performance Download PDF

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Publication number
CN220491634U
CN220491634U CN202321105014.0U CN202321105014U CN220491634U CN 220491634 U CN220491634 U CN 220491634U CN 202321105014 U CN202321105014 U CN 202321105014U CN 220491634 U CN220491634 U CN 220491634U
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cable
layer
cold
resistant
flame
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CN202321105014.0U
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潘学权
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Jiangsu Hongneng Cable Co ltd
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Jiangsu Hongneng Cable Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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Abstract

The utility model discloses a cable with cold-resistant and anti-interference performance, and belongs to the technical field of cables. The cable with cold-resistant and anti-interference performance comprises a cable main body, wherein cable beam penetrating plates are arranged on the cable main body at intervals, and a filling layer, a flame-retardant layer, a composite shielding layer and a sheath layer are sequentially arranged on the outer side of the whole formed by the cable main body and the cable beam penetrating plates; according to the utility model, the cable internal skeleton is formed by the cable beam penetrating plates which are arranged at intervals, so that the overall structural strength of the cable is improved, the better shielding anti-interference effect is achieved by combining silver fibers in the composite shielding layer with an aluminum foil shielding layer in the cable main body, the waterproof performance of the cable main body can be enhanced by the polyethylene material arranged in the filling layer, the flame-retardant low-smoke halogen-free polyolefin material arranged in the flame-retardant layer and the cold-resistant flame-retardant antistatic polyvinyl chloride material arranged in the sheath layer are enhanced, the overall flame-retardant and cold-resistant capabilities are enhanced, and the adaptability of the cable in different environments is improved.

Description

Cable with cold-resistant anti-interference performance
Technical Field
The utility model relates to the technical field of cables, in particular to a cable with cold-resistant and anti-interference performances.
Background
The cable is a rope-like cable formed by twisting several or several groups of wires, each group of wires are mutually insulated and often twisted around a center, the whole outside is covered with a highly insulating coating layer, the cable has the characteristics of inner power supply and outer insulation, the cable can be divided into a plurality of types according to different requirements, such as a power cable, a control cable, a compensation cable, a shielding cable and the like, and in order to reduce the interference of external magnetic fields, signals and environment in the power and signal transmission process of the cable, people produce the cable with anti-interference capability so as to improve the working stability of the cable.
The cable comprises a cable core, an insulating protective sleeve and insulating filler arranged between the cable core and the insulating protective sleeve, wherein the cable core comprises a conductor and an insulating layer extruded outside the conductor, and a shielding layer is wrapped outside the cable core; the shielding layer is formed by overlapping and winding copper strips, and the cable is used as a power supply circuit of an automatic control system, so that the interference of external high-frequency electromagnetic waves can be effectively reduced, the control system is stable, and the stable production is ensured.
The anti-interference cable in the above patent uses the shielding layer formed by overlapping and winding the copper strips to effectively reduce the interference of external high-frequency electromagnetic waves, but the use environment of the cable is uncertain in the specific use process, and the normal working performance of the cable can be possibly affected in a cold and humid environment, so that the defects and defects of the prior art are needed to be improved.
Disclosure of Invention
The utility model aims to solve the problem that the normal working performance of a cable can be influenced in a cold and humid environment when the cable is used in a specific process in the prior art, and provides the cable with cold-resistant and anti-interference performance.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a cable having cold-resistant and tamper-resistant properties, comprising: the cable main part, the cable main part is provided with three altogether, and three sets of cable main part intercrossing transposition is connected, and three sets of cable main part outside interval runs through and is provided with a plurality of groups cable and wears the beam plate, the whole outside cladding that beam plate and cable main part are constituteed is provided with the filling layer to the cable, the cladding of filling layer outside is provided with fire-retardant layer, fire-retardant layer outside cladding is provided with compound shielding layer, compound shielding layer outside cladding is provided with the restrictive coating.
The three groups of cable main bodies are respectively penetrated into corresponding beam penetrating holes on the cable beam penetrating plate after being connected by cross twisting for a certain distance, then the three groups of cable main bodies are connected by cross twisting for a certain distance, the steps are repeated and penetrated into the beam penetrating holes on the cable beam penetrating plate, the cable beam penetrating plate arranged at intervals is utilized to form an integral internal framework of the cable, normal bending is not influenced, the strength of the integral structure of the cable is improved, the cable core at the central part of the cable main body is formed by mutually twisting a plurality of metal copper wires, the insulating layer is made of crosslinked polyethylene materials, the working stability of the cable core is ensured, the aluminum foil shielding layer can shield a certain external magnetic field, the interference of the external magnetic field on the cable core is reduced, the cable core at the inner side of the cable core, the insulating layer and the aluminum foil shielding layer are wrapped by the cladding layer to form protection, the polyethylene material in the filling layer can strengthen the waterproof performance of the cable main body, avoid the cable main body from being unable to work normally due to the water erosion process, the flame-retardant low-smoke halogen-free polyolefin material in the flame-retardant layer does not release halogen-containing gas and has low smoke concentration under the condition that the whole cable is burnt by external fire, the purposes of flame retardance and reducing fire spread can be realized, the safety of power equipment is protected, meanwhile, the cable main body has certain cold-resistant capability, the cable main body is not cracked under the low-temperature environment, the cable main body has better softness, the nylon fiber in the composite shielding layer strengthens the whole cable tearing resistance, the service durability of the cable is improved, the silver fiber can shield the interference of external signals and magnetic fields on the cable main body, the aluminum foil shielding layer in the cable main body is combined to play a better shielding anti-interference effect, the sheath layer can adopt the cold-resistant flame-retardant antistatic polyvinyl chloride material for enhancing the whole cable cold-resistant capability, the normal operation of the cable main body at low temperature is ensured.
Further, the cable beam penetrating plate is provided with beam penetrating holes, the three groups of beam penetrating holes are formed in an annular array in the geometric center of the forward section of the cable beam penetrating plate, and the inner diameter of each beam penetrating hole is slightly larger than the outer diameter of the cable main body.
The three groups of cable main bodies are respectively penetrated into corresponding beam penetrating holes on the cable beam penetrating plate after being connected by a certain distance through cross twisting, then the three groups of cable main bodies are connected by a certain distance through cross twisting, the steps are repeated to be penetrated into the beam penetrating holes on the cable beam penetrating plate, the cable beam penetrating plate arranged at intervals is utilized to form an integral internal framework of the cable, normal bending is not influenced, and the strength of the integral structure of the cable is improved.
Further, the middle parts of the three sides of the cable beam penetrating plate are respectively provided with a notch, and the notches are connected and fixed with the filling layer in a jogged mode.
Further, the cable main body is sequentially provided with a cable core, an insulating layer, an aluminum foil shielding layer and a coating layer from inside to outside.
The cable core at the center of the cable main body is formed by mutually twisting a plurality of metal copper wires, the insulating layer is made of crosslinked polyethylene materials, the working stability of the cable core is ensured, the aluminum foil shielding layer can shield a certain external magnetic field, the interference of the external magnetic field on the cable core is reduced, and the cable core, the insulating layer and the aluminum foil shielding layer on the inner side of the cable core are wrapped by the cladding layer to form protection.
Further, the filling material in the filling layer is polyethylene.
Further, the flame-retardant layer is a flame-retardant low-smoke halogen-free polyolefin material.
Further, nylon fibers and silver fibers are arranged on the composite shielding layer, and twisted and wound on the outer side of the flame-retardant layer.
Compared with the prior art, the utility model provides a cable with cold-resistant and anti-interference performance, which has the following beneficial effects:
1. the cable penetrating plates are arranged on the cable main bodies connected by three groups of cross stranding at intervals, and the cable penetrating plates arranged at intervals form an integral internal framework of the cable, so that normal bending is not influenced, and the strength of the integral structure of the cable is improved;
2. the silver fiber in the composite shielding layer can shield external signals and the interference of a magnetic field on the cable main body, and the aluminum foil shielding layer in the cable main body can play a better role in shielding and anti-interference;
3. the waterproof performance of the cable main body can be enhanced by the polyethylene material arranged in the filling layer, the flame-retardant low-smoke halogen-free polyolefin material arranged in the flame-retardant layer and the cold-resistant flame-retardant antistatic polyvinyl chloride material arranged in the sheath layer are enhanced, the overall flame-retardant and cold-resistant capabilities are enhanced, and the adaptability of the cable under different environments is improved.
Drawings
Fig. 1 is a schematic cross-sectional structure of a cable with cold-resistant and anti-interference properties according to the present utility model;
fig. 2 is a schematic structural diagram of a portion a of the cable in fig. 1 with cold-resistant and anti-interference properties according to the present utility model;
FIG. 3 is a schematic diagram of a portion B of the cable of FIG. 1 with cold-resistant and anti-interference properties according to the present utility model;
fig. 4 is a schematic diagram of a cable core structure of a cable with cold-resistant and anti-interference properties according to the present utility model;
fig. 5 is a schematic diagram of a cable harness penetrating plate structure of a cable with cold-resistant and anti-interference properties according to the present utility model;
fig. 6 is a schematic diagram of a nylon fiber and silver fiber winding structure of a cable with cold-resistant and anti-interference properties.
In the figure: 1. a cable harness threading plate; 11. a beam penetrating hole; 12. a notch; 2. a cable body; 21. a cable core; 22. an insulating layer; 23. an aluminum foil shielding layer; 24. a coating layer; 3. a filling layer; 4. a flame retardant layer; 5. a composite shielding layer; 51. nylon fibers; 52. silver fibers; 6. and a sheath layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Examples:
referring to fig. 1-6, a cable with cold-resistant and tamper-resistant properties, comprising: the cable main part 2, the cable main part 2 is provided with three altogether, and three cable main part 2 of group are alternately stranded and connect each other, and the interval runs through in the outside of three cable main part 2 is provided with a plurality of groups of cable and wears to restraint board 1, and the whole outside cladding that cable wears to board 1 and cable main part 2 to constitute is provided with filling layer 3, and the cladding of filling layer 3 outside is provided with fire-retardant layer 4, and fire-retardant layer 4 outside cladding is provided with compound shielding layer 5, and compound shielding layer 5 outside cladding is provided with restrictive coating 6.
Working principle: in the utility model, three groups of cable main bodies 2 are respectively penetrated into corresponding beam penetrating holes 11 on a cable beam penetrating plate 1 after being connected by cross twisting for a certain distance, then the steps are repeated to be penetrated into the beam penetrating holes 11 on the cable beam penetrating plate 1, a plurality of groups of cable beam penetrating plates 1 which are arranged at intervals form an integral internal framework of the cable, normal bending is not influenced, the strength of the integral structure of the cable is improved, a cable core 21 at the central part of the cable main body 2 is formed by twisting a plurality of metal copper wires, the insulating layer 22 adopts a cross-linked polyethylene material, the working stability of the cable core 21 is ensured, the aluminum foil shielding layer 23 can shield a certain external magnetic field, the interference of the external magnetic field on the cable core 21 is reduced, the cable core 21, the insulating layer 22 and the aluminum foil shielding layer 23 are wrapped and protected by a cladding layer 24, the polyethylene material in the filling layer 3 can enhance the waterproof performance of the cable main body 2, avoid the cable main body from being unable to work normally due to the water erosion process, the flame-retardant low-smoke halogen-free polyolefin material in the flame-retardant layer 4 does not release halogen-containing gas and has low smoke concentration under the condition that the whole cable is burnt by external fire, can realize the purposes of flame retardance and reducing fire spread, protects the safety of electric equipment, has certain cold-resistant capability, does not crack under low temperature environment, maintains better softness, the composite shielding layer 5 has the fiber 51 enhancing the tearing resistance of the whole cable, improves the service durability of the cable, the silver fiber 52 can shield external signals and the interference of magnetic fields on the cable main body 2, the aluminum foil shielding layer 23 in the cable main body 2 is combined to play a better shielding anti-interference effect, the sheath layer 6 can adopt the cold-resistant flame-retardant antistatic polyvinyl chloride material, the cable is used for enhancing the whole cold resistance of the cable and ensuring the normal operation of the cable main body 2 at low temperature.
The cable beam penetrating plate 1 is provided with beam penetrating holes 11, the beam penetrating holes 11 are formed in three groups in an annular array with the geometric center of the forward section of the cable beam penetrating plate 1, and the inner diameter of the beam penetrating holes 11 is slightly larger than the outer diameter of the cable main body 2; after the three groups of cable main bodies 2 are connected by a certain distance through cross twisting, the three groups of cable main bodies 2 are respectively penetrated into corresponding beam penetrating holes 11 on the cable beam penetrating plate 1, then the three groups of cable main bodies are connected by a certain distance through cross twisting, the steps are repeated to be penetrated into the beam penetrating holes 11 on the cable beam penetrating plate 1, the cable beam penetrating plate 1 arranged at intervals is utilized to form an integral internal framework of the cable, normal bending is not influenced, and the strength of the integral structure of the cable is improved.
The middle parts of the three sides of the cable beam penetrating plate 1 are provided with notches 12, and the notches 12 are fixedly connected with the filling layer 3 in a jogged manner; as shown in fig. 3 and 5, three groups of notches 12 arranged on the cable tie-down plate 1 are used for being connected with the filling layer 3 wrapped outside in a jogged manner, so that the overall holding capability of the filling layer 3 on the cable tie-down plate 1 is enhanced, and the cable tie-down plate 1 and the filling layer 3 are prevented from sliding and deviating in the normal use process.
The cable main body 2 sequentially comprises a cable core 21, an insulating layer 22, an aluminum foil shielding layer 23 and a coating layer 24 from inside to outside; as shown in fig. 2, the cable core 21 in the central part of the cable main body 2 is formed by twisting a plurality of metal copper wires, the insulating layer 22 is made of crosslinked polyethylene material, so that the working stability of the cable core 21 is ensured, the aluminum foil shielding layer 23 can shield a certain external magnetic field, the interference of the external magnetic field on the cable core 21 is reduced, and the cable core 21, the insulating layer 22 and the aluminum foil shielding layer 23 on the inner side are wrapped by the coating layer 24 to form protection.
The filling material in the filling layer 3 is polyethylene; the waterproof performance of the cable main body 2 can be enhanced through the polyethylene material in the filling layer 3, and the cable main body is prevented from being corroded by water and not working normally.
The flame-retardant layer 4 is made of flame-retardant low-smoke halogen-free polyolefin material; the flame-retardant low-smoke halogen-free polyolefin material in the flame-retardant layer 4 does not release halogen-containing gas and has low smoke concentration under the condition that the whole cable is burnt by an external fire, can realize the purposes of flame retardance and reducing fire spread, protects the safety of power equipment, has certain cold-resistant capability, does not crack in a low-temperature environment, and keeps better softness.
Nylon fibers 51 and silver fibers 52 are arranged on the composite shielding layer 5, and the nylon fibers 51 and the silver fibers 52 are twisted and then wound on the outer side of the flame-retardant layer 4; nylon fiber 51 in composite shielding layer 5 has strengthened the holistic anti tearing ability of cable, has promoted the durability of use of cable, and silver fiber 52 can shield external signal and magnetic field to the interference of cable main part 2, combines aluminium foil shielding layer 23 in the cable main part 2 to play better shielding anti-interference effect.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. A cable having cold-resistant and anti-interference properties, comprising: cable main part (2), cable main part (2) are provided with three altogether, and three sets of cable main part (2) cross-strand connection, three sets of cable main part (2) outside interval is run through and is provided with a plurality of groups of cable and wears to restraint board (1), whole outside cladding that cable is worn to restraint board (1) and cable main part (2) to constitute is provided with filling layer (3), filling layer (3) outside cladding is provided with fire-retardant layer (4), fire-retardant layer (4) outside cladding is provided with composite shielding layer (5), composite shielding layer (5) outside cladding is provided with restrictive coating (6).
2. The cable with cold-resistant and anti-interference performance according to claim 1, wherein the cable beam penetrating plate (1) is provided with beam penetrating holes (11), the beam penetrating holes (11) are arranged in three groups in an annular array in the geometric center of the forward cross section of the cable beam penetrating plate (1), and the inner diameter of the beam penetrating holes (11) is slightly larger than the outer diameter of the cable main body (2).
3. The cable with cold-resistant and anti-interference performance according to claim 2, wherein the middle parts of the three sides of the cable harness penetrating plate (1) are respectively provided with a notch (12), and the notches (12) are fixedly connected with the filling layer (3) in a jogged manner.
4. The cable with cold-resistant and anti-interference performance according to claim 1, wherein the cable main body (2) sequentially comprises a cable core (21), an insulating layer (22), an aluminum foil shielding layer (23) and a coating layer (24) from inside to outside.
5. Cable with cold-resistant and anti-interference properties according to claim 1, characterized in that the filler material in the filler layer (3) is polyethylene.
6. The cable with cold-resistant and anti-interference performance according to claim 1, wherein the flame-retardant layer (4) is a flame-retardant low-smoke halogen-free polyolefin material.
7. The cable with cold-resistant and anti-interference performance according to claim 1, wherein nylon fibers (51) and silver fibers (52) are arranged on the composite shielding layer (5), and the nylon fibers (51) and the silver fibers (52) are twisted and wound on the outer side of the flame-retardant layer (4).
CN202321105014.0U 2023-05-09 2023-05-09 Cable with cold-resistant anti-interference performance Active CN220491634U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321105014.0U CN220491634U (en) 2023-05-09 2023-05-09 Cable with cold-resistant anti-interference performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321105014.0U CN220491634U (en) 2023-05-09 2023-05-09 Cable with cold-resistant anti-interference performance

Publications (1)

Publication Number Publication Date
CN220491634U true CN220491634U (en) 2024-02-13

Family

ID=89837168

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321105014.0U Active CN220491634U (en) 2023-05-09 2023-05-09 Cable with cold-resistant anti-interference performance

Country Status (1)

Country Link
CN (1) CN220491634U (en)

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