CN219891931U - Long-life cable - Google Patents
Long-life cable Download PDFInfo
- Publication number
- CN219891931U CN219891931U CN202321286805.8U CN202321286805U CN219891931U CN 219891931 U CN219891931 U CN 219891931U CN 202321286805 U CN202321286805 U CN 202321286805U CN 219891931 U CN219891931 U CN 219891931U
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- CN
- China
- Prior art keywords
- cable
- layer
- polyimide film
- elastic buffer
- film insulating
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Links
- 239000000945 filler Substances 0.000 claims abstract description 23
- 229920001721 polyimide Polymers 0.000 claims abstract description 20
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 18
- 239000003063 flame retardant Substances 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 238000005452 bending Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 23
- 239000000463 material Substances 0.000 description 4
- 230000009970 fire resistant effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a long-life cable, which relates to the technical field of cables and comprises a cable core, wherein a supporting frame is arranged at the central end of the cable core, a rubber filler is arranged at the outer side of the cable core, a polyimide film insulating layer is arranged at the outer side of the rubber filler, and an elastic buffer layer is arranged at the outer side of the polyimide film insulating layer. The utility model provides a long-life cable, which can effectively prevent the cable from being broken and twisted under the action of the supporting frames arranged at the centers of four cable cores, and can fill gaps between the cable cores and the supporting frames by arranging rubber fillers on the outer surfaces of the cable cores and the supporting frames, so that the cable cores, the supporting frames, the rubber fillers, polyimide film insulating layers and elastic buffer layers are arranged, and the torsion resistance and bending resistance of the cable are effectively improved.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a long-service-life cable.
Background
A cable is an electrical energy or signal transmission device, typically a rope-like cable formed by twisting at least two wires of each of several groups of wires, each group of wires being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating coating. The cable has an inner energized, outer insulated feature. The electric wire refers to a wire for transmitting electric power. The method comprises the steps of bare wires, electromagnetic wires and insulating wires. Bare wires are free of insulation and include copper, aluminum flat wires, overhead strands, and various profiles. It is mainly used for outdoor overhead and indoor bus bars and switch boxes. The following problems exist in the prior art:
1. the existing long-life cable is not provided with a torsion-resistant bending-resistant material, so that when the photovoltaic cable is extruded by external force, a conductor in the center of the photovoltaic cable is easy to damage, and if serious, the photovoltaic cable is broken to influence normal use;
2. the existing long-life cable can be used under severe environmental conditions, such as high temperature and ultraviolet radiation, and can be always in a high-temperature state under the insolation of the sun in summer, but the existing flame retardant effect is not better, and the phenomenon of fire can occur under high temperature, so that the service life of the cable can be reduced.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a long-life cable, includes cable core, cable core's center end is provided with the support frame, cable core's outside is provided with the rubber filler, the outside of rubber filler is provided with polyimide film insulating layer, polyimide film insulating layer's outside is provided with elastic buffer layer.
The technical scheme of the utility model is further improved as follows: the outside of elastic buffer layer is provided with the heat-resisting layer, the outside of heat-resisting layer is provided with the waterproof layer, the outside of waterproof layer is provided with the armor, the outside of armor is provided with the flame retardant coating, the outside of flame retardant coating is provided with the oversheath.
The technical scheme of the utility model is further improved as follows: the cable core is four, four cable cores are respectively arranged on the upper side and the lower side of the support frame.
The technical scheme of the utility model is further improved as follows: the rubber filler is arranged on the outer surfaces of the cable core and the supporting frame, and the polyimide film insulating layer is arranged on the outer surface of the rubber filler.
The technical scheme of the utility model is further improved as follows: the heat-resistant layer is arranged on the outer surface of the elastic buffer layer, and the waterproof layer is arranged on the outer surface of the heat-resistant layer.
The technical scheme of the utility model is further improved as follows: the armor sets up the surface at the waterproof layer, the flame retardant coating sets up the surface at the armor, the oversheath sets up the surface at the flame retardant coating.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a long-life cable, which can effectively prevent the cable from being broken and twisted under the action of a supporting frame arranged at the center of four cable cores, can fill gaps between the cable cores and the supporting frame by arranging rubber fillers on the outer surfaces of the cable cores and the supporting frame, can effectively improve the insulation effect of the cable under the action of a polyimide film insulating layer arranged on the outer surfaces of the rubber fillers, and can improve the elastic buffer effect of the cable under the action of an elastic buffer layer arranged on the outer surfaces of the polyimide film insulating layer, thereby realizing the material with torsion resistance and bending resistance.
2. According to the long-life cable, the heat resistance of the cable can be effectively improved under the effect of the heat-resistant layer arranged on the outer surface of the elastic buffer layer, so that the cable can be prevented from being damaged by external high temperature, the waterproof performance of the cable can be effectively improved under the effect of the waterproof layer arranged on the outer surface of the heat-resistant layer, so that the phenomenon that water enters the cable to cause short circuit can be avoided, the fire resistance of the cable can be effectively improved under the effect of the armor layer arranged on the outer surface of the waterproof layer and the fire-resistant layer arranged on the outer surface of the armor layer, the cable can be prevented from being damaged by external fire, and finally the cable can be effectively protected under the effect of the outer jacket arranged on the outer surface of the fire-resistant layer, so that the good flame-retardant effect is achieved, and the service life of the cable is effectively prolonged through the arrangement of the heat-resistant layer, the waterproof layer, the armor layer, the fire-resistant layer and the outer jacket.
Drawings
FIG. 1 is a schematic view of a long life cable of the present utility model;
FIG. 2 is a schematic elevational view of the structure of the present utility model;
FIG. 3 is a schematic view of the heat resistant layer connection of the structure of the present utility model;
FIG. 4 is a schematic cross-sectional view of the structure of the present utility model.
In the figure: 1. a cable core; 2. a support frame; 3. a rubber filler; 4. a polyimide film insulating layer; 5. an elastic buffer layer; 6. a heat-resistant layer; 7. a waterproof layer; 8. an armor layer; 9. a fire-blocking layer; 10. an outer sheath.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a long-life cable, which comprises a cable core 1, wherein a supporting frame 2 is arranged at the central end of the cable core 1, a rubber filler 3 is arranged at the outer side of the cable core 1, a polyimide film insulating layer 4 is arranged at the outer side of the rubber filler 3, and an elastic buffer layer 5 is arranged at the outer side of the polyimide film insulating layer 4.
In this embodiment, through having set up under the effect of support frame 2 in the center of four cable core 1, can effectually prevent that the cable from receiving the phenomenon of breakage kink, then through having set up rubber filler 3 at the surface of cable core 1 and support frame 2, can pack the gap between cable core 1 and the support frame 2, then through having set up under the effect of polyimide film insulating layer 4 at the surface of rubber filler 3, can effectually improve the insulating effect of cable, finally through having set up under the effect of elastic buffer layer 5 at the surface of polyimide film insulating layer 4, can improve the elastic buffer effect of cable, thereby realized having the material of antitorque bending, and then through the cable core 1, support frame 2, rubber filler 3, polyimide film insulating layer 4 and elastic buffer layer 5's setting, effectually improved cable antitorque bending resistance.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the outside of elastic buffer layer 5 is provided with heat-resisting layer 6, and the outside of heat-resisting layer 6 is provided with waterproof layer 7, and the outside of waterproof layer 7 is provided with armor 8, and the outside of armor 8 is provided with flame retardant coating 9, and the outside of flame retardant coating 9 is provided with oversheath 10.
In this embodiment, through having set up under the effect of heat-resisting layer 6 at the surface of elastic buffer layer 5, can effectually improve the heat resistance of cable, thereby can avoid external high temperature to cause the damage to the cable, then through having set up under the effect of waterproof layer 7 at the surface of heat-resisting layer 6, can effectually improve the waterproof nature of cable, thereby can avoid water to get into the inside of cable and cause the phenomenon of short circuit to the cable, then through having set up armor 8 at the surface of waterproof layer 7, and under the effect of having set up flame retardant coating 9 at the surface of armor 8, can effectually improve the fire resistance of cable, thereby can avoid external conflagration to cause the damage to the cable, finally through having set up under the effect of oversheath 10 at the surface of flame retardant coating 9, can effectually protect the cable, thereby realized better flame retardant efficiency, and then through heat-resisting layer 6, waterproof layer 7, armor 8, the setting up of flame retardant coating 9 and oversheath 10, effectually improve the life of cable.
The working principle of the long-life cable is specifically described below.
As shown in fig. 1-4, when the cable is used, the phenomenon that the cable is broken and twisted can be effectively prevented by arranging the supporting frame 2 at the center of the four cable cores 1, then the gaps between the cable cores 1 and the supporting frame 2 can be filled by arranging the rubber filler 3 on the outer surfaces of the cable cores 1 and the supporting frame 2, then the insulation effect of the cable can be effectively improved by arranging the polyimide film insulating layer 4 on the outer surface of the rubber filler 3, and finally the elastic buffer effect of the cable can be improved by arranging the elastic buffer layer 5 on the outer surface of the polyimide film insulating layer 4, so that the material with torsion resistance and bending resistance is realized, and the torsion resistance and bending resistance of the cable are effectively improved by arranging the cable cores 1, the supporting frame 2, the rubber filler 3, the polyimide film insulating layer 4 and the elastic buffer layer 5.
When using, through having set up under the effect of heat-resisting layer 6 at the surface of elastic buffer layer 5, can effectually improve the heat resistance of cable, thereby can avoid external high temperature to cause the damage to the cable, then through having set up under the effect of waterproof layer 7 at the surface of heat-resisting layer 6, can effectually improve the waterproof performance of cable, thereby can avoid water to get into the inside of cable and cause the phenomenon of short circuit to the cable, then through having set up armor 8 at the surface of waterproof layer 7, and under the effect that the surface of armor 8 has set up flame retardant coating 9, can effectually improve the fire resistance of cable, thereby can avoid external conflagration to cause the damage to the cable, finally through having set up under the effect of oversheath 10 at the surface of flame retardant coating 9, can effectually protect the cable, thereby realized better flame retardant efficiency, and then through heat-resisting layer 6, waterproof layer 7, armor 8, the setting up of flame retardant coating 9 and oversheath 10, effectually improved the life of cable.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a long-life cable, includes cable core (1), its characterized in that: the cable is characterized in that a supporting frame (2) is arranged at the center end of the cable core (1), a rubber filler (3) is arranged at the outer side of the cable core (1), a polyimide film insulating layer (4) is arranged at the outer side of the rubber filler (3), and an elastic buffer layer (5) is arranged at the outer side of the polyimide film insulating layer (4).
2. A long life cable according to claim 1, wherein: the outside of elastic buffer layer (5) is provided with heat-resisting layer (6), the outside of heat-resisting layer (6) is provided with waterproof layer (7), the outside of waterproof layer (7) is provided with armor (8), the outside of armor (8) is provided with flame retardant coating (9), the outside of flame retardant coating (9) is provided with oversheath (10).
3. A long life cable according to claim 1, wherein: the four cable cores (1) are arranged on the upper side and the lower side of the supporting frame (2) respectively.
4. A long life cable according to claim 1, wherein: the rubber filler (3) is arranged on the outer surfaces of the cable core (1) and the supporting frame (2), and the polyimide film insulating layer (4) is arranged on the outer surface of the rubber filler (3).
5. A long life cable according to claim 2, wherein: the heat-resistant layer (6) is arranged on the outer surface of the elastic buffer layer (5), and the waterproof layer (7) is arranged on the outer surface of the heat-resistant layer (6).
6. A long life cable according to claim 2, wherein: the waterproof layer is characterized in that the armor layer (8) is arranged on the outer surface of the waterproof layer (7), the fireproof layer (9) is arranged on the outer surface of the armor layer (8), and the outer sheath (10) is arranged on the outer surface of the fireproof layer (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321286805.8U CN219891931U (en) | 2023-05-25 | 2023-05-25 | Long-life cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321286805.8U CN219891931U (en) | 2023-05-25 | 2023-05-25 | Long-life cable |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219891931U true CN219891931U (en) | 2023-10-24 |
Family
ID=88408662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321286805.8U Active CN219891931U (en) | 2023-05-25 | 2023-05-25 | Long-life cable |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219891931U (en) |
-
2023
- 2023-05-25 CN CN202321286805.8U patent/CN219891931U/en active Active
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