CN210805314U

CN210805314U - Novel solar photovoltaic cable

Info

Publication number: CN210805314U
Application number: CN201921587337.1U
Authority: CN
Inventors: 周心
Original assignee: Zhuhai Feihang Comprehensive Energy Technology Co ltd
Current assignee: Zhuhai Feihang Comprehensive Energy Technology Co ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-06-19
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a novel solar photovoltaic cable, which comprises a rubber leather sheath, a flame-proof component, a mineral fireproof layer and an inner wear-resistant pad, wherein the inner side wall of the rubber leather sheath is provided with a heat insulation layer, the flame-proof component is arranged inside the heat-resistant layer, the inner wear-resistant pad is arranged inside the oxidation-resistant layer, and the outer side of the outer wear-resistant pad is provided with the mineral fireproof layer, the utility model discloses a flame-proof component is arranged, when the rubber leather sheath is burnt, the pressure of a cavity layer is increased due to overhigh temperature, then the pressure is generated to the sealing layer, a compression pad connected with a telescopic spring is separated from the sealing layer along the trend, the cable core is prevented from being influenced by burning, the wear-resistant outer sleeve is sleeved on the periphery of an extension shaft, the inner side wall of the outer wear-resistant pad tangent to the wear-resistant outer sleeve is provided with the inner wear, the structure can effectively avoid abrasion of the cable core.

Description

Novel solar photovoltaic cable

Technical Field

The utility model belongs to the technical field of the photovoltaic cable, concretely relates to novel solar photovoltaic cable.

Background

Solar energy technology will become one of green energy technology in the future, solar energy or photovoltaic is widely applied in China, and besides the rapid development of photovoltaic power plants supported by governments, private investors are actively building factories and planning to put into production solar modules sold in the world. The characteristics of the photovoltaic cable are determined by the special insulating material and the sheath material of the cable, and after irradiation of the irradiation accelerator, the molecular structure of the cable material can be changed, so that the performance of the photovoltaic cable in various aspects is provided.

The novel solar photovoltaic cable is one of the novel solar photovoltaic cable, the structure of general photovoltaic cable is the one deck rubber leather sheath that directly bonds in the cable core periphery, and this kind of structure is too simple, when unexpected circumstances such as conflagration appear, photovoltaic cable will make cable core directly expose because the outer rubber leather sheath that is regarded as the protection damages, influences its subsequent use then, in addition, traditional photovoltaic cable can make cable core very easily take place wearing and tearing because of too simple structure to influence relevant use.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a novel solar photovoltaic cable has the fire prevention effectual, and utmost point is stand wear and tear characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a novel solar photovoltaic cable comprises a rubber leather sheath, an anti-oxidation layer, a flame-proof assembly, a mineral fireproof layer, an inner wear-resistant pad, a central shaft and a cable core, wherein a heat insulation layer is arranged on the inner side wall of the rubber leather sheath, a heat-resistant layer is arranged on the inner side wall of the heat insulation layer, the anti-oxidation layer is arranged on the inner side wall of the heat-resistant layer, the flame-proof assembly is arranged inside the heat-resistant layer, the inner wear-resistant pad is arranged inside the anti-oxidation layer, an extension shaft is arranged on the outer side of the inner wear-resistant pad, a wear-resistant outer sleeve is sleeved on the outer surface of the extension shaft, an outer wear-resistant pad is arranged on the outer side of the wear-resistant outer pad, the inner wear-resistant pad is arranged on the;

the flame-retardant assembly comprises a telescopic spring, a cavity layer, a sealing layer and an extrusion pad, wherein the sealing layer is arranged above the cavity layer, the extrusion pad is arranged at the upper end of the sealing layer, and the telescopic spring is arranged at the upper end of the extrusion pad.

Preferably, the heat-insulating layer is bonded with the rubber leather sheath through strong adhesive, the filler in the heat-insulating layer is carbonized foam, and the heat-resistant layer and the anti-oxidation layer are bonded through the strong adhesive.

Preferably, a groove is chiseled on the inner side of the heat insulation layer, the sealing layer is bonded inside the groove through sealant, the anti-oxidation layer is connected with the extrusion pad through a telescopic spring, and the size of the extrusion pad is consistent with that of the groove.

Preferably, the centre of a circle of center pin and the centre of a circle of rubber leather sheath are located the same point, and the outside chisel of center pin has the recess, extend the axle and install in the outside of center pin through embedding the recess, wear-resisting overcoat is cup jointed in the periphery that extends the axle through the size that matches the extension axle.

Preferably, the internal diameter of outer wear pad equals with the external diameter of interior wear pad, and two liang tangents of surface and the wear-resisting overcoat of interior wear pad, the inside of wear pad including cable core through two liang tangents intensive installations.

Preferably, the mineral fireproof layer is filled in the non-intersecting part of the inner part of the anti-oxidation layer, which is positioned between the outer wear-resistant pad and the outer side of the wear-resistant outer sleeve, through the sealant.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the flame proof subassembly and be connected heat-resistant layer and insulating layer, can cause the inside cavity layer pressure increase that sets up of insulating layer because the high temperature when outer rubber leather sheath burning, then to the sealing layer production pressure, the extrusion pad that is connected with expanding spring just breaks away from with the sealing layer, finally makes heat-resistant layer inner structure and outer separation, avoids burning to influence the cable core.

2. The utility model discloses a cup joint wear-resisting overcoat in extension axle periphery, be provided with interior wear pad with the tangent inside wall of outer wear pad of wear-resisting overcoat, and the oxidation prevention inside of layer is located outer wear pad and the non-intersecting part packing in the wear coat outside has the mineral substance flame retardant coating, and this kind of structure can effectively avoid the cable core to produce wearing and tearing.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the flame-retardant assembly of the present invention;

in the figure: 1. a rubber leather sheath; 2. a thermal insulation layer; 3. a heat-resistant layer; 4. an oxidation-resistant layer; 5. a flame-retardant component; 51. a tension spring; 52. a cavity layer; 53. a sealing layer; 54. pressing the cushion; 6. a wear-resistant outer sleeve; 7. A mineral fire barrier; 8. an outer wear pad; 9. an inner wear pad; 10. a central shaft; 11. an extension shaft; 12. A cable core.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1-2, the present invention provides the following technical solutions: a novel solar photovoltaic cable comprises a rubber leather sheath 1, an anti-oxidation layer 4, a flame-retardant component 5, a mineral fireproof layer 7, an inner wear-resistant pad 9, a central shaft 10 and a cable core 12, wherein a heat insulation layer 2 is arranged on the inner side wall of the rubber leather sheath 1, a heat-resistant layer 3 is arranged on the inner side wall of the heat insulation layer 2, the anti-oxidation layer 4 is arranged on the inner side wall of the heat-resistant layer 3, in order to protect the cable core 12 from being affected by oxidation, the heat insulation layer 2 is bonded with the rubber leather sheath 1 through strong viscose, a filler in the heat insulation layer 2 is carbonized foam, and the heat-resistant layer 3 and the anti-oxidation layer 4; the flame-proof assembly 5 is arranged in the heat-resistant layer 3, the inner wear-resistant pad 9 is arranged in the oxidation-resistant layer 4, the outer side of the inner wear-resistant pad 9 is provided with an extension shaft 11, the outer surface of the extension shaft 11 is sleeved with a wear-resistant outer sleeve 6, in order to install and connect a central shaft 10 of the extension shaft 11, the circle center of the central shaft 10 is located at the same point as that of the rubber leather sleeve 1, a groove is chiseled on the outer side of the central shaft 10, the extension shaft 11 is arranged on the outer side of the central shaft 10 by being embedded in the groove, and the wear-resistant outer sleeve 6 is sleeved on the periphery; in order to further protect the cable core 12 from fire, the mineral fireproof layer 7 is filled in the part, located in the outer wear-resistant pad 8 and not intersected with the outer side of the wear-resistant outer sleeve 6, of the anti-oxidation layer 4 through sealant; the cable core 12 is arranged inside the inner wear-resistant pad 9, in order to protect the cable core 12 from being easily worn, the inner diameter of the outer wear-resistant pad 8 is equal to the outer diameter of the inner wear-resistant pad 9, the outer surface of the inner wear-resistant pad 9 is tangent with the wear-resistant outer sleeve 6 in pairs, and the cable cores 12 are densely arranged inside the inner wear-resistant pad 9 in pairs;

the flame-retardant assembly 5 comprises a telescopic spring 51, a cavity layer 52, a sealing layer 53 and a squeezing pad 54, wherein the sealing layer 53 is arranged above the cavity layer 52, the squeezing pad 54 is arranged at the upper end of the sealing layer 53, the telescopic spring 51 is arranged at the upper end of the squeezing pad 54, a groove is chiseled on the inner side of the heat-insulating layer 2 in order to realize the flame-retardant effect of the flame-retardant assembly 5, the sealing layer 53 is bonded inside the groove through sealant, the anti-oxidation layer 4 is connected with the squeezing pad 54 through the telescopic spring 51, and the size of the squeezing pad 54 is consistent with that of the groove.

The utility model discloses a theory of operation and use flow: firstly, when the outside generates flame to burn the photovoltaic cable, firstly, the rubber leather sheath 1 contacts with the flame firstly, the pressure of a cavity layer 52 arranged in a heat insulation layer 2 adhered on the inner side wall of the rubber leather sheath 1 is increased due to overhigh temperature after the flame is burnt, further, the pressure is generated on a sealing layer 53, then, a squeezing pad 54 connected with a telescopic spring 51 at the other side is separated from the inside of the heat insulation layer 2 along the same way, then, a cable core 12 arranged in an anti-oxidation layer 4 is separated from the heat insulation layer 2, the cable core 12 is prevented from being influenced by the burning flame, then, when the photovoltaic cable is worn, because the outer surface of an extension shaft 11 arranged at the outer side of a central shaft 10 is sleeved with a wear-resistant outer sleeve 6 and is densely distributed in an inner wear-resistant pad 9 arranged on the inner side wall of an outer wear-resistant pad 8 tangent to the wear-resistant outer sleeve 6, the cable core 12 can be well prevented, which in turn affects the service life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel solar photovoltaic cable, includes rubber leather sheath (1), oxidation barrier (4), fire prevention subassembly (5), mineral substance flame retardant coating (7), interior abrasion pad (9), center pin (10) and cable core (12), its characterized in that: the inner side wall of the rubber leather sleeve (1) is provided with a heat insulation layer (2), the inner side wall of the heat insulation layer (2) is provided with a heat-resistant layer (3), the anti-oxidation layer (4) is installed on the inner side wall of the heat-resistant layer (3), the flame-retardant component (5) is installed inside the heat-resistant layer (3), the inner wear-resistant pad (9) is installed inside the anti-oxidation layer (4), the outer side of the inner wear-resistant pad (9) is provided with an extension shaft (11), the outer surface of the extension shaft (11) is sleeved with a wear-resistant outer sleeve (6), the outer side of the wear-resistant outer sleeve (6) is provided with an outer wear-resistant pad (8), the inner side wall of the outer wear-resistant pad (8) is provided with the inner wear-resistant pad (9), the outer side of the outer wear-resistant pad (8) is provided;

the flame-retardant assembly (5) comprises a telescopic spring (51), a cavity layer (52), a sealing layer (53) and an extrusion pad (54), wherein the sealing layer (53) is arranged above the cavity layer (52), the extrusion pad (54) is arranged at the upper end of the sealing layer (53), and the telescopic spring (51) is arranged at the upper end of the extrusion pad (54).

2. The novel solar photovoltaic cable of claim 1, wherein: the heat-insulating layer (2) is bonded with the rubber leather sheath (1) through strong viscose glue, the filler in the heat-insulating layer (2) is carbonized foam, and the heat-resistant layer (3) and the anti-oxidation layer (4) are bonded through the strong viscose glue.

3. The novel solar photovoltaic cable of claim 1, wherein: the inner side of the heat insulation layer (2) is chiseled with a groove, the sealing layer (53) is bonded in the groove through sealing glue, the anti-oxidation layer (4) is connected with the extrusion pad (54) through a telescopic spring (51), and the size of the extrusion pad (54) is consistent with that of the groove.

4. The novel solar photovoltaic cable of claim 1, wherein: the centre of a circle of center pin (10) and the centre of a circle of rubber leather sheath (1) are located the same point, and the outside chisel of center pin (10) has the recess, extend axle (11) and install the outside at center pin (10) through embedding the recess in, wear-resisting overcoat (6) are cup jointed in the periphery that extends axle (11) through the size that matches extension axle (11).

5. The novel solar photovoltaic cable of claim 1, wherein: the internal diameter of outer wear pad (8) equals with the external diameter of interior wear pad (9), and two liang tangents of surface and wear-resisting overcoat (6) of interior wear pad (9), wear pad (9) inside including cable core (12) are through two liang tangents intensive installations.

6. The novel solar photovoltaic cable of claim 1, wherein: the non-intersecting part of the inner part of the anti-oxidation layer (4), which is positioned between the outer wear-resistant pad (8) and the outer side of the wear-resistant outer sleeve (6), is filled with a mineral fireproof layer (7) through sealant.