CN218918500U

CN218918500U - Weather-proof photovoltaic cable

Info

Publication number: CN218918500U
Application number: CN202223046716.4U
Authority: CN
Inventors: 徐兴伟; 罗文长
Original assignee: Kundianli Holding Co ltd
Current assignee: Kundianli Holding Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-04-25
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a weather-proof photovoltaic cable which comprises a cable core and an inner insulating layer, wherein the outer side of the cable core is sleeved with the inner insulating layer, the outer wall of the inner insulating layer is sleeved with a shielding layer, the outer wall of the shielding layer is sleeved with a reinforcing sleeve ring, the outer wall of the reinforcing sleeve ring is sleeved with a waterproof layer, the outer wall of the waterproof layer is sleeved with a heat insulation layer, and the outer wall of the heat insulation layer is sleeved with an outer sheath. The beneficial effects are that: the reinforced lantern ring is a hard plastic short ring and is uniformly arranged between the shielding layer and the heat insulation layer, the spacing distance is smaller than 1mm, so that supporting protection is formed on the cable core inside, the compressive strength is improved, the cable core is prevented from being pressed and damaged, the integral strength is improved, meanwhile, the reinforced lantern ring is arranged separately along the axial direction, the bending layout of workers is facilitated, the wiring use of the workers is not affected, in addition, the friction force of the salient points on the inner side surface and the outer side surface of the reinforced lantern ring is improved in the waterproof layer extrusion process, the problem that the reinforced lantern ring slides along the axial direction is avoided, and the installation is stable and reliable.

Description

Weather-proof photovoltaic cable

Technical Field

The utility model relates to the technical field of photovoltaic cables, in particular to a weather-resistant photovoltaic cable.

Background

Photovoltaic cables are cables applied to solar power generation, solar technology is one of future green energy technologies, solar energy or Photovoltaic (PV) is increasingly widely applied in China, and most of solar power generation panels are installed outdoors because the solar power generation panels are installed outdoors, so that most of photovoltaic cables are installed outdoors, and the requirements on weather resistance are high.

Through retrieving the back discovery, the publication number is CN216250084U, the name is a high resistant high ultraviolet resistance photovoltaic cable of waiting, this application has proposed that current cable bulk strength is insufficient, the wearing and tearing cause the product to break, reduce product life, and the inside is supported insecurely, many cable extrusion, cause the problem of product damage, through at wire body one, wire body two, the triangular reinforcement frame of installation between the rubber parcel layer, through triangular reinforcement frame's triangle stability, improve product bulk compression resistance, but, axial arrangement's reinforcement frame has improved bulk compression resistance, but has led to the inconvenient wiring of buckling of this cable, thereby the difficulty of rolling, winding displacement and installation has led to, can not lose, still make the improvement further.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the weather-resistant photovoltaic cable which has the advantages of improving the overall strength, not affecting normal wiring use and being convenient for fixing and binding installation, thereby solving the problems in the background art.

(II) technical scheme

In order to realize the advantages of improving the overall strength and not affecting normal wiring use and being convenient for fixing and binding installation, the utility model adopts the following specific technical scheme:

the utility model provides a resistant photovoltaic cable that waits, includes cable core and inner insulating layer, the cable core outside has cup jointed the inner insulating layer, and the inner insulating layer outer wall has cup jointed the shielding layer to the shielding layer outer wall has cup jointed the enhancement lantern ring, the waterproof layer has been cup jointed to the enhancement lantern ring outer wall, and the waterproof layer outer wall has cup jointed the insulating layer, and the insulating layer outer wall has cup jointed the oversheath, the enhancement lantern ring adopts hard plastics material, and strengthens the lantern ring and be the nozzle stub, and the bump has been offered to the inside and outside surface homotype of enhancement lantern ring.

Further, the outer wall of the outer sheath is sleeved with a UV protective layer, and the outer surface of the UV protective layer is provided with a binding groove.

Further, a filling layer is filled between the inner insulating layer and the cable core, and the outer wall of the cable core is wrapped with an insulating sleeve.

Further, the salient points are uniformly and densely distributed, and the salient points are hemispherical points.

Further, a plurality of binding grooves are formed in an equidistant mode, and the depth of each binding groove is not smaller than 1mm.

Further, the thickness of the ultraviolet protection layer is not less than 2mm.

Further, the reinforcing lantern rings are arranged at equal intervals along the axial direction, and the interval between the reinforcing lantern rings is smaller than 1mm.

Furthermore, the inner insulating layer, the shielding layer, the waterproof layer, the heat insulating layer and the outer sheath are equal to the cable core in length.

(III) beneficial effects

Compared with the prior art, the utility model provides a weather-resistant photovoltaic cable, which has the following beneficial effects:

(1) The reinforced lantern ring is a hard plastic short ring and is uniformly arranged between the shielding layer and the heat insulation layer, the spacing distance is smaller than 1mm, so that supporting protection is formed on the cable core inside, the compressive strength is improved, the cable core is prevented from being pressed and damaged, the integral strength is improved, meanwhile, the reinforced lantern ring is arranged separately along the axial direction, the bending layout of workers is facilitated, the wiring use of the workers is not affected, in addition, the friction force of the salient points on the inner side surface and the outer side surface of the reinforced lantern ring is improved in the waterproof layer extrusion process, the problem that the reinforced lantern ring slides along the axial direction is avoided, and the installation is stable and reliable.

(2) The ultraviolet protection layer is adopted, so that the aging influence of ultraviolet on the outer sheath can be reduced, the weather resistance of the outer sheath is improved, and the overall weather resistance is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a weather-resistant photovoltaic cable according to the present utility model;

FIG. 2 is an axial layout of a reinforcement collar according to the present utility model;

fig. 3 is a front view of a weatherable photovoltaic cable according to the present utility model;

fig. 4 is a schematic structural view of a reinforcing collar according to the present utility model.

In the figure:

1. a cable core; 2. a filling layer; 3. an inner insulating layer; 4. a shielding layer; 5. a reinforcing collar; 6. a waterproof layer; 7. a thermal insulation layer; 8. an outer sheath; 9. a UV protective layer; 10. binding grooves; 11. and (5) protruding points.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the present utility model, a weatherable photovoltaic cable is provided.

The utility model will now be further described with reference to the accompanying drawings and specific embodiments, as shown in fig. 1-4, a weather-resistant photovoltaic cable according to embodiments of the utility model includes a cable core 1 and an inner insulating layer 3, the outer side of the cable core 1 is sleeved with the inner insulating layer 3, and the outer wall of the inner insulating layer 3 is sleeved with a shielding layer 4, and the outer wall of the shielding layer 4 is sleeved with a reinforcing collar 5, the outer wall of the reinforcing collar 5 is sleeved with a waterproof layer 6, and the outer wall of the waterproof layer 6 is sleeved with a heat insulation layer 7, and the outer wall of the heat insulation layer 7 is sleeved with an outer jacket 8, the inner insulating layer 3, the shielding layer 4, the waterproof layer 6 and the heat insulation layer 7 are all common structures and materials in the art, and are not excessively repeated herein, the reinforcing collar 5 is made of hard plastic materials, and the reinforcing collar 5 is a short pipe, and the inner side surface and outer side surfaces of the reinforcing collar 5 are uniformly provided with bumps 11, wherein the reinforcing collars 5 are arranged at equal intervals along the axial direction, and the distance between the reinforcing collars 5 is smaller than 1mm, thereby forming a supporting protection for the cable core 1 inside, improving the compressive strength, avoiding the stress damage of the cable core 1, improving the overall strength, and simultaneously, the reinforcing collar 5 is arranged separately along the axial direction, the outer side is convenient for bending workers, the workers to bend, and the workers are not to use the wire layout, and the friction force is not affected in the process to be stable, and the problem is avoided by the friction and the friction force is also avoided by the sleeve mounting the reinforcing collar 5.

In one embodiment, the outer wall of the outer sheath 8 is sleeved with the ultraviolet protection layer 9, which is a common material in the field, and the outer surface of the ultraviolet protection layer 9 is provided with binding grooves 10, wherein the binding grooves 10 are formed at equal intervals, the depth of each binding groove 10 is not less than 1mm, the ultraviolet protection layer 9 can reduce the ageing influence of the ultraviolet rays on the outer sheath 8, the weather resistance of the outer sheath 8 is improved, and therefore the overall weather resistance is improved, meanwhile, the outer wall of the ultraviolet protection layer 9 is provided with the binding grooves 10, so that workers can use binding wires to fix the cable, the cable is prevented from sliding along the axial direction, and the convenience and the stability of fixed installation are improved.

In one embodiment, a filling layer 2 is filled between the inner insulating layer 3 and the cable core 1, and an insulating sleeve is wrapped on the outer wall of the cable core 1, which is a common structure in the art, and will not be described in detail herein.

In one embodiment, the bumps 11 are uniformly and densely distributed, and the bumps 11 are hemispherical points, enlarging the friction point arrangement.

In one embodiment, the UV-protective layer 9 has a thickness of not less than 2mm, facilitating the creation of the tie grooves 10.

In one embodiment, the inner insulating layer 3, the shielding layer 4, the waterproof layer 6, the heat insulating layer 7 and the outer sheath 8 are all equal in length to the cable core 1, and are common structures in the art.

Working principle:

the reinforcing lantern ring 5 is a hard plastic short ring, evenly arranged between the shielding layer 4 and the heat insulation layer 7, the interval distance is smaller than 1mm, thereby supporting and protecting the inner cable core 1, improving the compressive strength, avoiding the cable core 1 from being damaged by compression, improving the overall strength, meanwhile, the reinforcing lantern ring 5 is arranged separately along the axial direction, facilitating the bending layout of workers, not affecting the wiring of the workers, in addition, the salient points 11 on the inner side surface and the outer side surface of the reinforcing lantern ring 5 improve the friction force in the extrusion process of the waterproof layer 6, avoiding the problem that the reinforcing lantern ring 5 slides along the axial direction, being installed stably and reliably, simultaneously, the ultraviolet protection layer 9 can reduce the ageing influence of the ultraviolet protection layer 8, improving the weather resistance of the outer protection layer 8, improving the overall weather resistance, simultaneously, providing the binding groove 10 on the outer wall of the ultraviolet protection layer 9, facilitating the workers to use the binding wire to fix the cable, avoiding the cable to slide along the axial direction, thereby improving the convenience and the stability of fixed installation.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a resistant photovoltaic cable of waiting, its characterized in that, including cable core (1) and inner insulating layer (3), cable core (1) outside has cup jointed inner insulating layer (3), and inner insulating layer (3) outer wall has cup jointed shielding layer (4) to reinforcing collar (5) have been cup jointed to shielding layer (4) outer wall, reinforcing collar (5) outer wall has cup jointed waterproof layer (6), and waterproof layer (6) outer wall has cup jointed insulating layer (7) to insulating layer (7) outer wall has cup jointed oversheath (8), reinforcing collar (5) adopt hard plastics material, and reinforcing collar (5) are the nozzle stub, and bump (11) have been offered to reinforcing collar (5) inside and outside surface homogeneity formula.

2. The weather-resistant photovoltaic cable according to claim 1, characterized in that the outer wall of the outer sheath (8) is sleeved with a ultraviolet protection layer (9), and the outer surface of the ultraviolet protection layer (9) is provided with binding grooves (10).

3. The weather-resistant photovoltaic cable according to claim 1, characterized in that a filling layer (2) is filled between the inner insulating layer (3) and the cable core (1), and the outer wall of the cable core (1) is wrapped with an insulating sleeve.

4. The weatherable photovoltaic cable of claim 1, wherein the bumps (11) are uniformly densely distributed and the bumps (11) are hemispherical points.

5. The weather-resistant photovoltaic cable according to claim 2, wherein the plurality of binding grooves (10) are provided at equal intervals, and the depth of the binding grooves (10) is not less than 1mm.

6. Weather-resistant photovoltaic cable according to claim 2, characterized in that the uv-protective layer (9) has a thickness of not less than 2mm.

7. The weatherable photovoltaic cable according to claim 1, characterized in that the reinforcement loops (5) are arranged axially equidistant and the spacing between the reinforcement loops (5) is less than 1mm.

8. The weather-resistant photovoltaic cable according to claim 1, characterized in that the inner insulation layer (3), the shielding layer (4), the waterproof layer (6), the heat insulation layer (7) and the outer sheath (8) are all equal in length to the cable core (1).