CN216772909U

CN216772909U - Novel photovoltaic solar energy connects uses flexible cable

Info

Publication number: CN216772909U
Application number: CN202122830977.4U
Authority: CN
Inventors: 田兆云; 王斌; 陈登志; 汤佩
Original assignee: Anhui Deyuan Cable Group Co ltd
Current assignee: Anhui Deyuan Cable Group Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-06-17
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a novel photovoltaic solar energy connection flexible cable, which has the technical scheme that: the cable comprises a plurality of cable cores, wherein the plurality of cable cores are mutually twisted, the cable core sequentially comprises a cable core conductor, a fire-resistant mica tape, a heat dissipation structure and an insulating layer from inside to outside, a middle heat dissipation layer is arranged between an inner heat dissipation layer and an outer heat dissipation layer, the inner heat dissipation layer and the outer heat dissipation layer are made of heat-conducting rubber, the middle heat dissipation layer is made of heat-conducting silicone grease, a wrapping tape layer is wrapped on the outer sides of the plurality of cable cores, a filler is filled in a gap between the wrapping tape layer and the cable core, a shielding layer is arranged on the outer side of the wrapping tape layer, an armor layer is arranged on the outer side of the shielding layer, a sheath layer is arranged on the outer side of the armor layer in a squeezing mode, a heat insulation layer is wrapped on the outer side of the sheath layer, the heat insulation layer is a solar heat insulation film, a sun-proof layer is wrapped on the outer side of the heat insulation layer, and the sun-proof layer is a sun-proof film; the utility model has good sun-proof effect and can effectively perform heat dissipation treatment on the conductor.

Description

Novel photovoltaic solar energy connects uses flexible cable

Technical Field

The utility model relates to the technical field of cables, in particular to a novel flexible cable for photovoltaic solar energy connection.

Background

Solar energy is an important member of new energy categories, the potential of solar energy resource development and utilization is very wide, solar energy technology will become one of green energy technologies in the future, solar energy or Photovoltaic (PV) is increasingly widely applied in China, in recent years, the solar energy industry in China has been greatly developed, besides the rapid development of a photovoltaic power plant supported by the government, private investors are actively building factories, and solar energy components which are planned to be put into production and sold in the world also have great demands as solar photovoltaic cables for connecting the photovoltaic components and inverters.

In summer, the cable sheath is exposed to the sun in the burning sun, after being exposed to the sun for a long time, cracks appear on the cable sheath, the mechanical performance of the cable sheath is further reduced, after the cracks appear, sunlight irradiates the filling layer from the gaps, so that the filling layer and the conductor insulating layer gradually appear cracks, and finally the conductor is exposed to the outside, so that the normal use of the cable is influenced; meanwhile, the conductor can generate a large amount of heat during working, if the conductor is irradiated by sunlight, the conductor can be rapidly heated, and if the conductor is not radiated in time, the normal use of the cable can be influenced.

SUMMERY OF THE UTILITY MODEL

In view of the problems mentioned in the background art, the utility model aims to provide a novel photovoltaic solar energy connection flexible cable which has a good sun-proof effect and can effectively perform heat dissipation treatment on a conductor.

The technical purpose of the utility model is realized by the following technical scheme:

a novel flexible cable for photovoltaic solar energy connection comprises a plurality of cable cores, wherein the cable cores are twisted with each other, the cable cores sequentially comprise a cable core conductor, a fire-resistant mica tape, a heat dissipation structure and an insulating layer from inside to outside, the heat dissipation structure sequentially comprises an inner heat dissipation layer, a middle heat dissipation layer and an outer heat dissipation layer from inside to outside, the middle heat dissipation layer is arranged between the inner heat dissipation layer and the outer heat dissipation layer, the inner heat dissipation layer and the outer heat dissipation layer are made of heat-conducting rubber, the middle heat dissipation layer is made of heat-conducting silicone grease, a wrapping tape layer is wrapped on the outer sides of the plurality of cable cores, fillers are filled in gaps between the wrapping tape layer and the cable cores, a shielding layer is arranged on the outer side of the wrapping tape layer, an armor layer is arranged on the outer side of the shielding layer, a sheath layer is arranged on the outer side of the armor layer in a squeezing mode, a heat insulation layer is wrapped on the outer side of the sheath layer, the heat-insulating layer is a solar heat-insulating film, the outer side of the heat-insulating layer is coated with a sun-screening layer, and the sun-screening layer is a sun-screening film.

Furthermore, the cable core conductor is made of annealed copper wires, and a tin coating is arranged on the outer sides of the copper wires.

By adopting the technical scheme, the tin-plated layer can improve the insulating property of the copper conductor, and the current in each copper conductor is ensured not to interfere.

Furthermore, the insulating layer is formed by extruding vinyl silicone rubber materials.

By adopting the technical scheme, the vinyl silicone rubber has good electrical insulation, and meanwhile has good ablation resistance and radiation resistance.

Furthermore, the wrapping tape layer is formed by wrapping polytetrafluoroethylene raw material tapes.

By adopting the technical scheme, the polytetrafluoroethylene raw material tape has the characteristics of good corrosion resistance and high temperature resistance, and is good in self-adhesion and fitting performance and good in sealing performance.

Furthermore, the shielding layer is formed by weaving tinned copper wires.

By adopting the technical scheme, the utility model has stronger capability of shielding external signal interference.

Further, the armor layer is a galvanized steel wire braid layer.

Through adopting above-mentioned technical scheme, can play good protection and supporting role to the cable.

Furthermore, the sheath layer is made of a phenylene silicone rubber material.

By adopting the technical scheme, the phenylene silicone rubber has good mechanical property, good tensile strength and excellent high-temperature resistance and radiation resistance.

In summary, the utility model mainly has the following beneficial effects:

1. the utility model discloses a, be provided with heat radiation structure through the inside at the cable core, interior heat dissipation layer among the heat radiation structure is heat conduction rubber with outer heat dissipation layer, middle heat dissipation layer is heat conduction silicone grease, heat conduction rubber has splendid heat conductivity, can be used for the heat transfer medium of contact gap department between the cable core conductor, and can bear the high temperature of the highest 250 ℃, heat conduction silicone grease had both had excellent electrical insulation nature, and have excellent heat conductivity again, high and low temperature resistance, water-fast, ozone, weather-proof aging, can play heat transfer medium effect and dampproofing, dustproof, anticorrosion, performances such as taking precautions against earthquakes, the poor problem of radiating effect after the cable core conductor heaies up has been solved effectively.

2. The utility model discloses a, through the outside cladding at the restrictive coating there are insulating layer and sun-proof layer, the insulating layer is sun heat insulation film, sun-proof layer is sun-proof membrane, sun heat insulation film can reflect and absorb partly solar heat energy, has high heat-proof quality, prevents that the restrictive coating from insolating for a long time and appearing the crack under the sun, sun-proof membrane has high thermal-insulated efficiency, high tension, high stretch degree, strong anti acid-base performance, can effectively completely cut off the heat radiation and the heat-conduction of solar energy, has guaranteed the normal use of restrictive coating.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a cable core; 101. a cable core conductor; 102. fire-resistant mica tapes; 103. a heat dissipation structure; 1031. an inner heat dissipation layer; 1032. a middle heat dissipation layer; 1033. an outer heat-dissipating layer; 104. an insulating layer; 2. wrapping a belt layer; 3. a filler; 4. a shielding layer; 5. an armor layer; 6. a sheath layer; 7. a thermal insulation layer; 8. a sunscreen layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1, a novel photovoltaic solar flexible cable for connection comprises a plurality of cable cores 1, wherein the plurality of cable cores 1 are twisted with each other, the cable core 1 sequentially comprises a cable core conductor 101, a fire-resistant mica tape 102, a heat dissipation structure 103 and an insulating layer 104 from inside to outside, the heat dissipation structure 103 sequentially comprises an inner heat dissipation layer 1031, a middle heat dissipation layer 1032 and an outer heat dissipation layer 1033 from inside to outside, the middle heat dissipation layer 1032 is arranged between the inner heat dissipation layer 1031 and the outer heat dissipation layer 1033, the inner heat dissipation layer 1031 and the outer heat dissipation layer 1033 are made of heat-conducting rubber, the middle heat dissipation layer 1032 is made of heat-conducting silicone grease, a wrapping tape layer 2 is wrapped on the outer sides of the plurality of cable cores 1, a filler 3 is filled in a gap between the wrapping tape layer 2 and the cable cores 1, a shielding layer 4 is arranged on the outer side of the wrapping tape layer 2, an armor layer 5 is arranged on the outer side of the shielding layer 4, and a sheath layer 6 is extruded on the outer side of the armor layer 5, the outside cladding of restrictive coating 6 has insulating layer 7, and insulating layer 7 is the sun thermal-insulated membrane, and the outside cladding of insulating layer 7 has sun-proof layer 8, and sun-proof layer 8 is sun-proof membrane.

Referring to fig. 1, the cable core conductor 101 is made of annealed copper wire, and a tin-plated layer is disposed on the outer side of the copper wire.

Referring to fig. 1, the insulating layer 104 is extruded from a vinyl silicone rubber material.

Referring to fig. 1, the wrapping tape layer 2 is formed by wrapping polytetrafluoroethylene raw material tapes.

Referring to fig. 1, the shielding layer 4 is braided by using a tinned copper wire.

Referring to fig. 1, the armor layer 5 is a galvanized steel wire braid layer.

Referring to fig. 1, the sheath layer 6 is made of a phenylene silicone rubber material.

When the cable core is used, the heat dissipation structure 103 is arranged in the cable core 1, the inner heat dissipation layer 1031 and the outer heat dissipation layer 1033 in the heat dissipation structure 103 are made of heat conduction rubber, the middle heat dissipation layer 1032 is made of heat conduction silicone grease, the heat conduction rubber has excellent heat conduction performance, can be used as a heat transfer medium at a contact gap between the cable core conductors 101 and can bear the high temperature of 250 ℃ at most, the heat conduction silicone grease has excellent electrical insulation performance and heat conduction performance, is resistant to high and low temperatures, water, ozone and weather aging, can play a role in heat transfer media and has the performances of moisture prevention, dust prevention, corrosion prevention, shock prevention and the like, and the problem of poor heat dissipation effect after the temperature of the cable core conductor 101 is raised is effectively solved; through the outside cladding at restrictive coating 6 there are insulating layer 7 and sun-proof layer 8, insulating layer 7 is sun heat-proof membrane, sun-proof layer 8 is sun-proof membrane, sun heat-proof membrane can reflect and absorb partly solar heat energy, high heat-proof quality has, prevent that restrictive coating 6 from insolating for a long time and appearing the crack under the sun, sun-proof membrane has high thermal-insulated efficiency, high tension, high elongation, strong anti acid-base performance, can effectively completely cut off the heat radiation and the heat-conduction of solar energy, the normal use of restrictive coating 6 has been guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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. The utility model provides a novel photovoltaic solar energy connects uses flexible cable, includes many cable cores (1), its characterized in that: the cable comprises a plurality of cable cores (1) which are mutually twisted, wherein each cable core (1) sequentially comprises a cable core conductor (101), a fire-resistant mica tape (102), a heat dissipation structure (103) and an insulating layer (104) from inside to outside, each heat dissipation structure (103) sequentially comprises an inner heat dissipation layer (1031), a middle heat dissipation layer (1032) and an outer heat dissipation layer (1033) from inside to outside, each middle heat dissipation layer (1032) is arranged between the corresponding inner heat dissipation layer (1031) and the corresponding outer heat dissipation layer (1033), the inner heat dissipation layers (1031) and the corresponding outer heat dissipation layers (1033) are made of heat-conducting rubber, each middle heat dissipation layer (1032) is made of heat-conducting silicone grease, a plurality of wrapping tape layers (2) are wrapped on the outer sides of the cable cores (1), fillers (3) are filled in gaps between the corresponding wrapping tape layers (2) and the cable cores (1), and shielding layers (4) are arranged on the outer sides of the wrapping tape layers (2), the outside of shielding layer (4) is provided with armor (5), the crowded package in the outside of armor (5) is provided with restrictive coating (6), the outside cladding of restrictive coating (6) has insulating layer (7), insulating layer (7) are sun thermal-insulated membrane, the outside cladding of insulating layer (7) has sun-proof layer (8), sun-proof layer (8) are sun-proof membrane.

2. The novel photovoltaic solar energy connection flexible cable according to claim 1, characterized in that: the cable core conductor (101) is made of annealed copper wires, and tin-plated layers are arranged on the outer sides of the copper wires.

3. The novel photovoltaic solar energy connection flexible cable according to claim 1, characterized in that: the insulating layer (104) is formed by extruding vinyl silicone rubber materials.

4. The novel photovoltaic solar energy connection flexible cable according to claim 1, characterized in that: the winding band layer (2) is formed by winding polytetrafluoroethylene raw material belts.

5. The novel photovoltaic solar energy flexible cable for connection according to claim 1, characterized in that: the shielding layer (4) is formed by weaving tinned copper wires.

6. The novel photovoltaic solar energy connection flexible cable according to claim 1, characterized in that: the armor layer (5) is a galvanized steel wire braid layer.

7. The novel photovoltaic solar energy connection flexible cable according to claim 1, characterized in that: the sheath layer (6) is made of phenylene silicon rubber materials.