CN211062488U

CN211062488U - High-flexibility anti-dragging compression-resistant photovoltaic cable

Info

Publication number: CN211062488U
Application number: CN202020025142.4U
Authority: CN
Inventors: 章高魁
Original assignee: Ningbo Pntech New Energy Co ltd
Current assignee: Ningbo Pntech New Energy Co ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-07-21
Anticipated expiration: 2030-01-07

Abstract

The utility model provides a dilatant resistance to compression photovoltaic cable is prevented to high flexibility belongs to wire and cable technical field. The high-flexibility anti-dragging compression-resistant photovoltaic cable comprises a cable main body, a sheath structure and a compression-resistant cylinder structure. The cable main part is provided with two sets ofly at least, the sheath structure includes oversheath layer, inner sheath layer and support cover layer, the inner sheath layer cup joint in inside the oversheath layer, just the support cover layer cup joint in the oversheath layer with between the inner sheath layer. When the outer part of the cable is stamped, the supporting sleeve layer between the outer sheath layer and the inner sheath layer has a primary impact pressure prevention effect, and the supporting sleeve layer adopts a nylon supporting sleeve, so that the cable has good stamping resistance; the first support column outside the cable main body to and the second support column between the cable main body have good buffering support ability, have the effect of secondary anti-stamping to the cable main body, make the cable whole have good anti-stamping ability.

Description

High-flexibility anti-dragging compression-resistant photovoltaic cable

Technical Field

The utility model relates to a wire and cable field particularly, relates to a dilatory resistance to compression photovoltaic cable is prevented to high flexibility.

Background

The main characteristics of the power cable are: the conductor is extruded with an insulating layer, such as an overhead insulated cable, or twisted by several cores, such as an overhead insulated cable with more than two cores, or a sheath layer is added, such as a plastic wire cable or a rubber sheath wire cable. The main process technologies comprise drawing, stranding, insulation extrusion, cabling, armor, sheath extrusion and the like, and different process combinations of various products have certain differences.

Current electric wire cable mainly covers the parcel by outside insulating layer and restrictive coating, and the whole compressive capacity of cable is relatively poor, and when the cable received great pressure, the condition of buckling the damage easily appeared in inside copper core, leads to the electric power transportation to break off.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a dilatant resistance to compression photovoltaic cable is prevented to high flexibility aims at improving the relatively poor problem of current cable compressive capacity.

The utility model discloses a realize like this:

the utility model provides a dilatant resistance to compression photovoltaic cable is prevented to high flexibility, including cable main part, sheath structure and resistance to compression cylinder structure.

The cable main part is provided with two sets ofly at least, the sheath structure includes oversheath layer, inner sheath layer and support cover layer, the inner sheath layer cup joint in inside the oversheath layer, just support cover layer cup joint in the oversheath layer with between the inner sheath layer, the cable main part cup joint in inside the inner sheath layer, resistance to compression cylinder structure includes first support column and second support column, first support column joint in the cable main part with between the inner sheath layer, the second support column joint in between the cable main part.

The utility model discloses an in one embodiment, the cable main part includes copper core, protective sheath layer and insulating layer, the insulating layer cup joint in the copper core is outside, protective sheath layer cup joint in the insulating layer is outside.

In an embodiment of the present invention, the protective layer and the insulating layer are provided with a shielding layer therebetween.

In an embodiment of the present invention, the gap between the inner sheath layer and the cable main body is filled with a filling layer.

The utility model discloses an in one embodiment, support jacket layer outside fixedly connected with support the sand grip support be provided with the notch between the sand grip.

In an embodiment of the present invention, the support protruding strips are provided with at least two, and the support protruding strips are distributed in a central symmetry manner outside the support jacket layer.

In an embodiment of the present invention, the first supporting pillar has a first cavity layer formed therein.

In an embodiment of the present invention, the first supporting pillar is externally provided with an arc surface matched with the inner sheath layer inner ring, and the first supporting pillar inner side is provided with a first arc groove matched with the cable main body outer ring.

In an embodiment of the present invention, the second supporting pillar has a second cavity layer formed therein.

The utility model discloses an in one embodiment, second support column outside is provided with the second circular arc groove with cable main part outer lane matched with.

The utility model has the advantages that: the utility model discloses a high flexibility prevents drawing resistance to compression photovoltaic cable that obtains through above-mentioned design, when using, when the cable outside receives the punching press, the supporting sleeve layer between oversheath layer and the inner sheath layer has a scour protection and presses the effect, and the supporting sleeve layer adopts nylon supporting sleeve, has good anti-punching press performance; the first support column outside the cable main body to and the second support column between the cable main body have good buffering support ability, have the effect of secondary anti-stamping to the cable main body, make the cable whole have good anti-stamping ability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a high-flexibility anti-drag compression-resistant photovoltaic cable provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cable body according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a sheath structure according to an embodiment of the present invention;

fig. 4 is a schematic view of a supporting sleeve layer structure provided by an embodiment of the present invention;

fig. 5 is a schematic cross-sectional structure view of a first support column according to an embodiment of the present invention;

fig. 6 is a schematic cross-sectional structure view of a second supporting pillar according to an embodiment of the present invention.

In the figure: 10-a cable body; 110-a copper core; 120-protective jacket layer; 130-an insulating layer; 140-a shielding layer; 20-a sheath structure; 210-an outer jacket layer; 220-inner jacket layer; 230-support jacket layer; 231-support ribs; 232-notch; 240-a filler layer; 30-compression-resistant cylinder structure; 310-a first support column; 311-a first cavity layer; 312-arc surface; 313-a first arc groove; 320-a second support column; 321-a second cavity layer; 322-second arc groove.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the utility model provides a high flexibility prevents dilatory resistance to compression photovoltaic cable, including cable main part 10, sheath structure 20 and resistance to compression cylinder structure 30.

The sheath structure 20 can protect the cable body 10 with high strength, and has high strength during pulling and bending, and the compression-resistant cylinder structure 30 can be used for supporting the cable body 10 and the sheath structure 20, so as to improve the compression-resistant effect of the cable body 10.

Referring to fig. 2, at least two sets of cable bodies 10 are provided. The cable body 10 includes a copper core 110, a protective sheath 120 and an insulating layer 130, the insulating layer 130 is sleeved outside the copper core 110, the protective sheath 120 is sleeved outside the insulating layer 130, and a shielding layer 140 is disposed between the protective sheath 120 and the insulating layer 130. It should be noted that the shielding layer 140 is made of copper tape to wrap the outside of the insulating layer 130, and the insulating layer 130 may be made of rubber insulating material.

Referring to fig. 3 and 4, the sheath structure 20 includes an outer sheath layer 210, an inner sheath layer 220 and a supporting sheath layer 230, the inner sheath layer 220 is sleeved inside the outer sheath layer 210, the supporting sheath layer 230 is sleeved between the outer sheath layer 210 and the inner sheath layer 220, and the cable main body 10 is sleeved inside the inner sheath layer 220. The protective sheath layer 120, the outer sheath layer 210 and the inner sheath layer 220 may be polyethylene protective sheaths. The gap between the inner jacket layer 220 and the cable body 10 is filled with a filler layer 240. Support jacket layer 230 outside fixedly connected with support sand grip 231, support and be provided with notch 232 between the sand grip 231, support sand grip 231 is provided with two at least, and support sand grip 231 is central symmetry distribution in support jacket layer 230 outside.

Referring to fig. 1 and 3, the compression-resistant cylinder structure 30 includes a first supporting column 310 and a second supporting column 320, the first supporting column 310 is clamped between the cable main body 10 and the inner sheath layer 220, and the second supporting column 320 is clamped between the cable main body 10. The first support column 310 and the second support column 320 are rubber blocks with good elasticity.

Referring to fig. 5 and 6, a first cavity layer 311 is formed inside the first support column 310, an arc surface 312 matched with the inner ring of the inner sheath layer 220 is formed outside the first support column 310, and a first arc groove 313 matched with the outer ring of the cable main body 10 is formed inside the first support column 310; a second cavity layer 321 is disposed inside the second supporting column 320, and a second arc groove 322 matched with the outer ring of the cable main body 10 is disposed outside the second supporting column 320. The first cavity layer 311 inside the first supporting column 310 and the second cavity layer 321 inside the second supporting column 320 have good buffering effects, and the design of the arc surface 312, the first arc groove 313 and the second arc groove 322 can enable the first supporting column 310 to be clamped between the inner ring of the inner sheath layer 220 and the outside of the cable main body 10, so that the second supporting column 320 is clamped between the outside of the cable main body 10.

The working principle of the high-flexibility anti-dragging compression-resistant photovoltaic cable is as follows: when the cable is used, when the outer part of the cable is stamped, the supporting sleeve layer 230 between the outer sheath layer 210 and the inner sheath layer 220 has a primary anti-impact pressure function, and the supporting sleeve layer adopts a nylon supporting sleeve and has good stamping resistance; the first supporting column 310 outside the cable main body 10 and the second supporting column 320 between the cable main bodies 10 have good buffering supporting capacity and have a secondary anti-stamping effect on the cable main body 10, wherein a first cavity layer 311 inside the first supporting column 310 and a second cavity layer 321 inside the second supporting column 320 both have good buffering effects, and the design of the arc surface 312, the first arc groove 313 and the second arc groove 322 can enable the first supporting column 310 to be clamped between the inner ring of the inner sheath layer 220 and the outside of the cable main body 10, and enable the second supporting column 320 to be clamped between the outside of the cable main body 10; the filling layer 240 between the outer part of the cable body 10 and the inner sheath layer 220 also has a good buffer function, so that the stamping of the cable body 10 can be relieved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-flexibility anti-dragging compression-resistant photovoltaic cable is characterized by comprising

The cable comprises a cable main body (10), wherein at least two groups of cable main bodies (10) are arranged;

the cable comprises a sheath structure (20), wherein the sheath structure (20) comprises an outer sheath layer (210), an inner sheath layer (220) and a supporting sheath layer (230), the inner sheath layer (220) is sleeved inside the outer sheath layer (210), the supporting sheath layer (230) is sleeved between the outer sheath layer (210) and the inner sheath layer (220), and the cable body (10) is sleeved inside the inner sheath layer (220);

resistance to compression cylinder structure (30), resistance to compression cylinder structure (30) include first support column (310) and second support column (320), first support column (310) joint in cable main part (10) with between inner sheath layer (220), second support column (320) joint in between cable main part (10).

2. The high-flexibility anti-dragging and anti-compression photovoltaic cable according to claim 1, wherein the cable main body (10) comprises a copper core (110), a protective sheath layer (120) and an insulating layer (130), the insulating layer (130) is sleeved outside the copper core (110), and the protective sheath layer (120) is sleeved outside the insulating layer (130).

3. A high flexibility anti-pulling anti-compression photovoltaic cable as claimed in claim 2, characterized in that a shielding layer (140) is arranged between the protective sheath layer (120) and the insulating layer (130).

4. A high flexibility anti-pulling anti-compression photovoltaic cable according to claim 1, wherein a gap between the inner sheath layer (220) and the cable body (10) is filled with a filling layer (240).

5. The high-flexibility anti-dragging compression-resistant photovoltaic cable according to claim 1, wherein support ribs (231) are fixedly connected to the outer side of the support sleeve layer (230), and notches (232) are formed between the support ribs (231).

6. A highly flexible photovoltaic cable with resistance to pulling and pressure, according to claim 5, wherein there are at least two support ribs (231), and the support ribs (231) are arranged in a central symmetry distribution outside the support jacket layer (230).

7. The high-flexibility dragging-prevention and pressure-resistance photovoltaic cable according to claim 1, wherein the first support column (310) is internally provided with a first cavity layer (311).

8. The high-flexibility dragging-prevention and pressure-resistance photovoltaic cable according to claim 1, wherein the first supporting column (310) is externally provided with a circular arc surface (312) matched with an inner ring of an inner sheath layer (220), and the first supporting column (310) is internally provided with a first circular arc groove (313) matched with an outer ring of the cable main body (10).

9. The high-flexibility dragging-prevention and pressure-resistance photovoltaic cable according to claim 1, wherein a second cavity layer (321) is formed inside the second supporting column (320).

10. The high-flexibility dragging-prevention and pressure-resistance photovoltaic cable according to claim 1, wherein the second supporting column (320) is externally provided with a second arc groove (322) which is matched with the outer ring of the cable main body (10).