CN214123526U - Double-core cable with composite insulation layer - Google Patents
Double-core cable with composite insulation layer Download PDFInfo
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- CN214123526U CN214123526U CN202022988472.6U CN202022988472U CN214123526U CN 214123526 U CN214123526 U CN 214123526U CN 202022988472 U CN202022988472 U CN 202022988472U CN 214123526 U CN214123526 U CN 214123526U
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Abstract
The utility model discloses a two-core cable with composite insulation layer belongs to cable conductor technical field. The cable comprises a first cable main body and a second cable main body, wherein the first cable main body and the second cable main body are arranged in parallel; a reinforcing core is arranged between the first cable main body and the second cable main body, and the first cable main body and the second cable main body are both detachably connected with the reinforcing core; the cable is further provided with more than one supporting base, the first cable main body and the second cable main body are arranged on the supporting base and detachably connected with the supporting base, and the distance between every two adjacent supporting bases is 1 m. The reinforced core can realize the stability of the cable structure, and the detachable and washable connection can realize the separation between the first cable main body and the second cable main body; the supporting base can prevent the cable main body from directly contacting with soil and crushed stone, so that the cable has excellent wear resistance; the cable adopts the polyphenylene sulfide and polyimide composite insulating layer, and has excellent insulating effect.
Description
Technical Field
The utility model belongs to the technical field of the cable conductor, in particular to two-core cable with composite insulation layer.
Background
With the development and utilization of solar energy, photovoltaic power generation has become a main approach for developing solar energy. At present, the development and utilization of solar energy has become an important strategic decision for sustainable development in many countries of the world. The construction of large-scale solar photovoltaic power stations brings unlimited business opportunities for photovoltaic cables, and the photovoltaic cables play a vital role in the utilization of solar energy as key transmission components of a solar photovoltaic power generation system. In order to improve the stability of the photovoltaic cable, the photovoltaic cable with the double-core structure is designed in the prior art, but the existing photovoltaic cable with the double-core structure cannot be separated, the structure is not stable enough, the size of the double-core structure is large, and the double-core structure is not convenient to pull and move.
The prior art discloses a PV1-F type double-core separable photovoltaic cable with the patent number of CN204596501U, which comprises two parallel cable cores, wherein insulating layers are respectively extruded outside the cable cores, a layer of isolating agent is coated on the outer surfaces of the insulating layers, a sheath is jointly extruded outside the insulating layers, connecting ribs are arranged in the middle of the sheath, and the outer surfaces of the middle parts of the connecting ribs are arc-shaped. The connecting rib of the utility model is easy to separate, does not damage the sheath, and can not crack when being repeatedly bent in the short axis direction in the environment of-40 ℃ to +90 ℃, thereby effectively ensuring the connection strength and the integrity of the double-core photovoltaic cable; the special irradiation crosslinking polyolefin for the photovoltaic cable at 125 ℃ is used as an insulating layer and a sheath, so that the cable can work normally in outdoor severe environment, and has the performances of high weather resistance, high humidity and heat resistance, flame retardance, aging resistance, ozone resistance, ultraviolet irradiation resistance, acid rain resistance, alkaline substance erosion resistance, wear resistance and the like.
Although the double-core cable can be separated, the problems that the structure is not stable enough and the dragging and moving are not convenient enough exist.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a dual-core cable with a composite insulation layer, which has a more stable structure;
another object of the present invention is to provide a dual-core cable with a composite insulation layer, which has excellent wear resistance;
a final object of the present invention is to provide a dual core cable with composite insulation layer, which is simple in structure, low in cost, and convenient for popularization and use.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a double-core cable with a composite insulating layer, which comprises a first cable main body and a second cable main body, wherein the first cable main body and the second cable main body are arranged in parallel; be provided with between first cable main part and the second cable main part and strengthen the core, first cable main part and second cable main part all can dismantle with strengthening the core and be connected. The first cable main body and the second cable main body can be separated through the reinforcing core, and the first cable main body and the second cable main body can be independently used.
Furthermore, the cable is also provided with more than one supporting base, the first cable main body and the second cable main body are both arranged on the supporting base and detachably connected with the supporting base, and the distance between every two adjacent supporting bases is 1 m. When the cable is used in low-lying position or ground has ponding, support the base and can be used to support the cable, prevent that the cable from soaking or falling into in the hole. When the cable is used on flat ground, the supporting base can be detached.
Further, first cable main part all is provided with the joint arch with the second cable main part is external, it is provided with the joint recess to strengthen the core external, the joint is protruding and joint recess looks adaptation, and can dismantle between joint arch and the joint recess and be connected.
Further, including the arc holding surface on the support base, the arc holding surface is provided with two, first cable main part and second cable main part set up respectively on two arc holding surfaces.
Furthermore, the outer surfaces of the first cable main body and the second cable main body are respectively attached to the two arc-shaped supporting surfaces; the bottom of first cable main part and second cable main part all is provided with the arch, be provided with the recess on the arc holding surface, arch and recess looks adaptation, and can dismantle between arch and the recess and be connected.
Furthermore, handles are arranged outside the first cable main body and the second cable main body, and the two handles are fixedly connected with the first cable main body and the second cable main body respectively. The handle is convenient for a user to move the cable.
Furthermore, the first cable main body and the second cable main body respectively comprise a cable core, a filling layer and an insulating composite layer, the insulating composite layer is coated outside the cable core, and the filling layer is arranged between the cable core and the insulating composite layer.
Further, the cable core is composed of more than one copper wire, and the filling layer is filled between the copper wires and fills gaps between the copper wires.
Furthermore, the insulating composite layer comprises a polyimide layer and a polyphenylene sulfide layer, wherein the polyimide layer is coated outside the polyphenylene sulfide layer or the polyphenylene sulfide layer is coated outside the polyimide layer; the polyimide layer is made of a polyimide material, and the polyphenylene sulfide layer is made of a polyphenylene sulfide material; the thickness of the polyphenylene sulfide layer and the thickness of the polyimide layer are both 0.01mm to 5 mm.
Further, a fireproof layer is arranged outside the insulating composite layer, and the fireproof layer is coated outside the insulating composite layer. The fireproof layer is made of mica tape materials and has excellent fireproof performance and high-temperature insulating performance.
Further, still be provided with the protection jacket layer outside the fire prevention layer, the protection jacket layer parcel is outside the fire prevention layer.
Further, the protective sheath layer comprises a metal sheath layer and a rat and ant prevention sheath layer, and the rat and ant prevention sheath layer is coated outside the metal sheath layer; the rat and ant prevention sheath layer is made of a nitrile rubber material. The protective sheath layer is used for protecting the cable main body and preventing damage to the cable main body caused by rats and ants.
Further, be provided with wear-resisting buffer layer between protection jacket layer and the flame retardant coating, wear-resisting buffer layer is made by elastic material, has the cushioning effect, can alleviate external impact to the cable main part.
The utility model has the advantages that: compared with the prior art, firstly, the double-core cable is provided with the reinforced core, the first cable main body and the second cable main body are detachably connected with the reinforced core, the reinforced core can realize the stability of the cable structure, and the detachable and washable connection can realize the separation between the first cable main body and the second cable main body; secondly, the utility model is also provided with a supporting base, which can avoid the cable main body from directly contacting with the earth and crushed stone, so that the cable has excellent wear resistance; thirdly, the cable adopts a polyphenylene sulfide and polyimide composite layer as an insulating layer, so that the cable has an excellent insulating effect; finally, the utility model discloses simple structure, with low costs, convenient to use and popularization.
Drawings
Fig. 1 is a schematic cross-sectional structure view in a side-up state of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
fig. 4 is a schematic cross-sectional structure view of the composite insulating layer of the present invention;
FIG. 5 is a schematic cross-sectional view of the protective cover of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
referring to fig. 1-5, the present invention provides a dual-core cable with a composite insulation layer, which comprises a first cable body 1 and a second cable body 2, wherein the first cable body and the second cable body are arranged in parallel; be provided with between first cable main part and the second cable main part and strengthen core 3, first cable main part 1 and second cable main part 2 all can dismantle with strengthening core 3 and be connected. The first cable body 1 and the second cable body 2 can be separated from each other by the reinforcing core 3, and the first cable body 1 and the second cable body 2 can be used independently.
In this embodiment, the cable is further provided with more than one supporting base 4, the first cable main body 1 and the second cable main body 2 are both arranged on the supporting base 4 and detachably connected with the supporting base 4, and the distance between two adjacent supporting bases 4 is 1 m. When the cable is used in low-lying position or ground has ponding, support the base and can be used to support the cable, prevent that the cable from soaking or falling into in the hole. When the cable is used on flat ground, the supporting base can be detached.
In this embodiment, first cable body 1 all is provided with joint arch 11 with second cable body 2 outward, 3 are provided with joint recess 31 outward on the enhancement core, joint arch 11 and joint recess 31 looks adaptations, and can dismantle between joint arch 11 and the joint recess 31 and be connected.
In this embodiment, the support base 4 includes two arc-shaped support surfaces 41, and the first cable main body 1 and the second cable main body 2 are respectively disposed on the two arc-shaped support surfaces 41.
In this embodiment, the outer surfaces of the first cable body 1 and the second cable body 2 are respectively attached to two arc-shaped supporting surfaces 41; the bottom of first cable main part 1 and second cable main part 2 all is provided with arch 12, be provided with recess 42 on the arc holding surface 41, arch 12 and recess 42 looks adaptation, and can dismantle between arch 12 and the recess 42 and be connected.
In this embodiment, the first cable main body 1 and the second cable main body 2 are both provided with a handle 13, and the two handles 13 are respectively fixedly connected with the first cable main body 1 and the second cable main body 2. The handle 13 facilitates the user to move the cable.
In this embodiment, each of the first cable body 1 and the second cable body 2 includes a cable core 14, a filling layer 15, and an insulating composite layer 16, the insulating composite layer 16 covers the cable core 14, and the filling layer 15 is disposed between the cable core 15 and the insulating composite layer 16.
In the present embodiment, the cable core 14 is composed of more than one copper wires 141, and the filling layer 15 is filled between the copper wires 141 and fills gaps between the copper wires 141.
In this embodiment, the insulating composite layer 16 includes a polyimide layer 161 and a polyphenylene sulfide layer 162, the polyimide layer 161 is coated outside the polyphenylene sulfide layer 162 or the polyphenylene sulfide layer 162 is coated outside the polyimide layer 161; the polyimide layer 161 is made of a polyimide material, and the polyphenylene sulfide layer 162 is made of a polyphenylene sulfide material; the thickness of the polyphenylene sulfide layer 162 and the polyimide layer 161 is 0.01mm to 5 mm.
In this embodiment, a fire-proof layer 17 is further disposed outside the insulating composite layer 16, and the fire-proof layer 17 covers the insulating composite layer 16. The fireproof layer 17 is made of mica tape materials and has excellent fireproof performance and high-temperature insulating performance.
In this embodiment, a protective layer 18 is further disposed outside the fire-proof layer 17, and the protective layer 18 is wrapped outside the fire-proof layer 17.
In this embodiment, the protective sheath 18 includes a metal sheath 181 and a rat/ant-proof sheath 182, and the rat/ant-proof sheath 182 is coated outside the metal sheath 181; the rat and ant prevention sheath layer 182 is made of a nitrile rubber material. The protective sheath layer 18 is used for protecting the cable main body and preventing damage of rats and ants to the cable main body.
In this embodiment, be provided with wear-resisting buffer layer 19 between protection jacket layer 18 and flame retardant coating 17, wear-resisting buffer layer 19 is made by elastic material, has the cushioning effect, can alleviate external impact to the cable main part.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A dual-core cable with a composite insulating layer is characterized by comprising a first cable main body and a second cable main body, wherein the first cable main body and the second cable main body are arranged in parallel; a reinforcing core is arranged between the first cable main body and the second cable main body, and the first cable main body and the second cable main body are both detachably connected with the reinforcing core;
the cable is further provided with more than one supporting base, the first cable main body and the second cable main body are arranged on the supporting base and detachably connected with the supporting base, and the distance between every two adjacent supporting bases is 1 m.
2. The dual-core cable with the composite insulating layer according to claim 1, wherein clamping protrusions are arranged outside the first cable main body and the second cable main body, clamping grooves are arranged outside the reinforcing cores, the clamping protrusions are matched with the clamping grooves, and the clamping protrusions and the clamping grooves are detachably connected.
3. The dual-core cable with the composite insulating layer according to claim 1, wherein the supporting base includes two arc-shaped supporting surfaces, and the first cable main body and the second cable main body are respectively disposed on the two arc-shaped supporting surfaces.
4. The dual-core cable with composite insulation of claim 3, wherein the outer surfaces of the first cable body and the second cable body are respectively attached to two arc-shaped supporting surfaces; the bottom of first cable main part and second cable main part all is provided with the arch, be provided with the recess on the arc holding surface, arch and recess looks adaptation, and can dismantle between arch and the recess and be connected.
5. The dual-core cable with the composite insulating layer according to claim 1, wherein a pull handle is disposed outside each of the first cable body and the second cable body, and the two pull handles are fixedly connected to the first cable body and the second cable body respectively.
6. The dual-core cable with the composite insulating layer according to claim 1, wherein each of the first cable body and the second cable body comprises a cable core, a filling layer, and an insulating composite layer, the insulating composite layer is coated outside the cable core, and the filling layer is disposed between the cable core and the insulating composite layer; the cable core is composed of more than one copper wire.
7. The dual-core cable with the composite insulating layer according to claim 6, wherein the composite insulating layer comprises a polyimide layer and a polyphenylene sulfide layer, the polyimide layer is coated outside the polyphenylene sulfide layer or the polyphenylene sulfide layer is coated outside the polyimide layer; the polyimide layer is made of a polyimide material, and the polyphenylene sulfide layer is made of a polyphenylene sulfide material; the thickness of the polyphenylene sulfide layer and the thickness of the polyimide layer are both 0.01mm to 5 mm.
8. The dual-core cable with the composite insulating layer according to claim 6, wherein a fire-proof layer is further disposed outside the insulating composite layer, and the fire-proof layer is wrapped outside the insulating composite layer; the fireproof layer is made of mica tape materials.
9. The dual-core cable with composite insulating layer according to claim 8, wherein a protective sheath layer is further disposed on the fire-proof layer, and the protective sheath layer is wrapped outside the fire-proof layer; the protective jacket layer comprises a metal jacket layer and a rat and ant prevention jacket layer, and the rat and ant prevention jacket layer is coated outside the metal jacket layer; the rat and ant prevention sheath layer is made of a nitrile rubber material.
10. The dual-core cable with composite insulation layer according to claim 9, wherein an abrasion resistant buffer layer is disposed between the protective sheath layer and the flame retardant layer, and the abrasion resistant buffer layer is made of an elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022988472.6U CN214123526U (en) | 2020-12-11 | 2020-12-11 | Double-core cable with composite insulation layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022988472.6U CN214123526U (en) | 2020-12-11 | 2020-12-11 | Double-core cable with composite insulation layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214123526U true CN214123526U (en) | 2021-09-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022988472.6U Active CN214123526U (en) | 2020-12-11 | 2020-12-11 | Double-core cable with composite insulation layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214123526U (en) |
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2020
- 2020-12-11 CN CN202022988472.6U patent/CN214123526U/en active Active
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Address after: 518000 1606-1, block a, Zhongji LEO Satellite Internet of things Industrial Park, Keneng Road, Dongkeng community, Fenghuang street, Guangming District, Shenzhen, Guangdong Patentee after: SHENZHEN FEINIDI TECHNOLOGY CO.,LTD. Address before: 1301, 13th floor, building 1, taijiale science and Technology Industrial Park, Tongguan Road, Tianliao community, Gongming street, Guangming New District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN FEINIDI TECHNOLOGY CO.,LTD. |