Aluminum alloy cable for solar power generation device

Abstract

The utility model relates to the technical field of cables, and discloses an aluminum alloy cable for a solar power generation device, which comprises an outer sheath, a waterproof layer arranged on the inner side of the outer sheath, a compression-resistant layer arranged on the inner side of the waterproof layer, a filling layer arranged on the inner side of the compression-resistant layer, a cable core arranged inside the filling layer, and an inner insulating layer arranged on the outer side of the cable core. The waterproof layer comprises a polyethylene waterproof layer, a waterproof isolation layer, a steel belt waterproof wrapping tape and a moisture absorption cushion layer, the waterproof isolation layer is arranged on the inner side of the polyethylene waterproof layer, the steel belt waterproof wrapping tape is arranged on the inner side of the waterproof isolation layer, and the moisture absorption cushion layer is arranged on the inner side of the steel belt waterproof wrapping tape. Through the arrangement of the waterproof layer, the polyethylene waterproof layer, the waterproof isolation layer, the steel belt waterproof wrapping belt and the moisture absorption cushion layer, the waterproof effect of the cable core is improved, the cable core is protected, and the long-term stability and safety of the cable core wire harness are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, concretely is a kind of aluminium alloy cable for solar power generation device. BACKGROUND

[0002] Aluminium alloy cable, namely aluminium alloy power cable, is new material power cable with AA-8000 series aluminium alloy material as conductor, using special tight pressing process and annealing treatment and other advanced technologies invention and creation.Aluminium alloy power cable makes up the deficiency of previous pure aluminium cable, improves the conductive performance, bending performance, anti-creep performance and corrosion resistance of cable, etc., can ensure that cable keeps continuous performance stability when overloading and overheating for a long time.

[0003] In the existing disclosed patent: an aluminium alloy conductor solar energy environmental protection type photovoltaic cable (publication number: CN221687234 U) "including cable core and composite sheath extruded on the cable core, the cable core includes four insulated wire cores and filling material extruded on the insulated wire core, each insulated wire core is composed of conductor and insulating layer coated on the conductor, the composite sheath includes wrapping tape layer wrapped on the cable core and steel belt armoring layer, low-smoke halogen-free flame-retardant outer sheath extruded on the wrapping tape layer coaxially in turn.The utility model is improved in view of the problems of lower flame-retardant property, easy to burn in the case of short circuit or temperature rise in prior art, and a large amount of smoke and harmful gases are emitted during combustion, etc.The utility model has improved environmental stress cracking resistance, chemical corrosion resistance, creep resistance and electrical properties, flame-retardant property, low heat release and smoke production in the case of combustion, and environmental protection advantages"but there are still some problems in use, although there is good wear resistance, corrosion resistance and flame retardancy, but the waterproof effect is poor, the cable is long-term outdoor, long-term wind and rain, without good waterproofness, many causes cable damage, reduces the service life of cable core. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] The utility model provides an aluminium alloy cable for solar power generation device in view of the deficiency of prior art, and the utility model has the advantages of improving the waterproof effect of cable core, protecting cable core, ensuring long-term stability and safety of cable core wire harness, solves the problems proposed in the above background art.

[0006] (II) technical scheme

[0007] To achieve the above object, the technical scheme is provided as follows: an aluminum alloy cable for a solar power generation device, comprising an outer sheath, an inner side of the outer sheath is provided with a waterproof layer, an inner side of the waterproof layer is provided with a pressure-resistant layer, an inner side of the pressure-resistant layer is provided with a filling layer, and an inner part of the filling layer is provided with a cable core, and an outer side of the cable core is provided with an inner insulation layer.

[0008] Preferably, the waterproof layer comprises a polyethylene water-blocking layer, a waterproof isolation layer, a steel tape water-blocking wrapping tape, and a moisture-absorbing pad layer, an inner side of the polyethylene water-blocking layer is provided with the waterproof isolation layer, an inner side of the waterproof isolation layer is provided with the steel tape water-blocking wrapping tape, and an inner side of the steel tape water-blocking wrapping tape is provided with the moisture-absorbing pad layer.

[0009] Preferably, the pressure-resistant layer comprises a pressure-resistant rubber ring, a support bin, and an elastic block, an inner side of the pressure-resistant rubber ring is provided with the support bin, and the support bin is internally mounted with the elastic block, and the elastic block is provided in plurality, and the plurality of elastic blocks are distributed in a circular center alignment.

[0010] Preferably, the outer sheath comprises an outer armor protection layer, an epoxy resin wear-resistant layer, and an anti-oxidation layer, an inner side of the outer armor protection layer is provided with the epoxy resin wear-resistant layer, and an inner side of the epoxy resin wear-resistant layer is provided with the anti-oxidation layer.

[0011] Preferably, an outer side of the filling layer is provided with a fixing belt.

[0012] (Three) beneficial effects

[0013] Compared with the prior art, the utility model provides an aluminum alloy cable for a solar power generation device, has the following beneficial effects:

[0014] 1、The aluminum alloy cable for the solar power generation device, through the waterproof layer, polyethylene water-blocking layer, waterproof isolation layer, steel tape water-blocking wrapping tape, moisture-absorbing pad layer setting, thereby reached the waterproof effect of improvement cable core, the protection of cable core, ensure the long-term stability and safety of cable core wire harness.

[0015] 2、The aluminum alloy cable for the solar power generation device, through outer armor protection layer, epoxy resin wear-resistant layer, anti-oxidation layer, filling layer, improve the strength and oxidation resistance of cable core, improve the service life of cable core.

[0016] 3、The aluminum alloy cable for the solar power generation device, through the setting of pressure-resistant rubber ring, support bin, elastic block, thereby reached the performance of enhancing the overall cable impact resistance, anti-fracture, bending resistance, tensile strength etc. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main body structure of the utility model;

[0018] Figure 2 It is waterproof layer structure schematic view of the utility model;

[0019] Figure 3 It is compression resistance layer structure schematic view of the utility model;

[0020] Figure 4 It is outer sheath structure schematic view of the utility model.

[0021] In the drawing: 1, outer sheath;2, waterproof layer;3, compression resistance layer;4, filling layer;5, inner insulation layer;6, cable core;7, polyethylene water resistance layer;8, waterproof isolation layer;9, steel tape water resistance banded;10, moisture absorption cushion layer;11, compression resistance rubber ring;12, support bin;13, elastic block;14, outer armor protection layer;15, epoxy resin wear resistance layer;16, antioxidant layer. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments. Obviously, the described embodiments are only part of the embodiments, not all the embodiments. Based on the embodiments, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection.

[0023] Embodiment 1:

[0024] Please refer to Figures 1-4 A kind of solar power generation device with aluminum alloy cable, including outer sheath 1, the inner side of outer sheath 1 is provided with waterproof layer 2, the inner side of waterproof layer 2 is provided with compression resistance layer 3, the inner side of compression resistance layer 3 is provided with filling layer 4, the inside of filling layer 4 is provided with cable core 6, the outer side of cable core 6 is provided with inner insulation layer 5.

[0025] Preferably, waterproof layer 2 includes polyethylene water resistance layer 7, waterproof isolation layer 8, steel tape water resistance banded 9, moisture absorption cushion layer 10, the inner side of polyethylene water resistance layer 7 is provided with waterproof isolation layer 8, the inner side of waterproof isolation layer 8 is provided with steel tape water resistance banded 9, the inner side of steel tape water resistance banded 9 is provided with moisture absorption cushion layer 10.

[0026] Specifically, polyethylene water resistance layer 7 is the film made of polyethylene (PE), has good moisture resistance, strength and barrier heat source effect, waterproof isolation layer 8 and steel tape water resistance banded 9 add water resistance powder, and the outer side of steel tape water resistance banded is wrapped with corrugated steel belt, has anti-lateral pressure, anti-tension, prevents mouse bite, protects beam tube, and dry powder is added in moisture absorption cushion layer 10, can absorb moisture, keeps dry.

[0027] Working principle: The outer polyethylene water-blocking layer 7, the waterproof isolation layer 8, the steel tape water-blocking tape 9, and the moisture-absorbing pad layer 10 are wrapped outside the cable core 6. The polyethylene water-blocking layer 7 can meet the water-blocking and moisture-proof requirements of the cable laid in a general humid environment by cooperating with a moisture-absorbing pad layer 10. Then, by cooperating with the waterproof isolation layer 8 and the steel tape water-blocking tape 9, the waterproof effect of the cable core 6 can be further improved, the cable core 6 is protected, and the long-term stability and safety of the cable core 6 are ensured.

[0028] Embodiment 2:

[0029] Please refer to Figures 1-3 The compression-resistant layer 3 includes a compression-resistant rubber ring 11, a support bin 12, and an elastic block 13. The inner side of the compression-resistant rubber ring 11 is provided with the support bin 12, and the inside of the support bin 12 is installed with the elastic block 13. The elastic block 13 is provided with a plurality of elastic blocks 13 arranged in a circular center.

[0030] Working principle: The compression-resistant rubber ring 11 is made of rubber material and has good elastic compression-resistant effect. The plurality of elastic blocks 13 in the support bin 12 can support the outer wrapping layer of the cable. The elastic block 13 has high elasticity and can effectively resist pressure to protect the cable and enhance the overall impact resistance, fracture resistance, bending resistance, and tensile strength of the cable. The empty bin in the support bin 12 can reduce the production material and reduce the production cost.

[0031] Embodiment 3:

[0032] Please refer to Figures 1-4 The outer sheath 1 includes an outer armored protection layer 14, an epoxy resin wear-resistant layer 15, and an antioxidant layer 16. The inner side of the outer armored protection layer 14 is provided with the epoxy resin wear-resistant layer 15, and the inner side of the epoxy resin wear-resistant layer 15 is provided with the antioxidant layer 16.

[0033] Preferably, the outer side of the filling layer 4 is provided with a fixing belt.

[0034] Specifically, the filling layer 4 is a tensile-resistant rope line, which can improve the tensile resistance of the cable core 6, and the fixing belt limits the cable core 6 and the filling layer 4.

[0035] Working principle: The epoxy resin wear-resistant layer 15 has good corrosion resistance, high temperature resistance, and the epoxy resin in the epoxy resin coating has certain electrical insulation performance, which can block the current conduction between the metal substrate and the electrolyte, slow down the electrochemical corrosion reaction of the metal, and the antioxidant layer 16 is made of low-smoke halogen-free cross-linked irradiation polyolefin material, which can improve the antioxidant capacity. In cooperation with the outer armored protection layer 14, the strength and oxidation resistance of the cable core 6 can be improved, and the service life of the cable core 6 can be improved.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An aluminum alloy cable for a solar power generation device, comprising an outer sheath (1), characterized in that: A waterproof layer (2) is provided on the inner side of the outer sheath (1), a pressure-resistant layer (3) is provided on the inner side of the waterproof layer (2), a filling layer (4) is provided on the inner side of the pressure-resistant layer (3), a cable core (6) is provided inside the filling layer (4), and an inner insulating layer (5) is provided on the outer side of the cable core (6).

2. The aluminum alloy cable for a solar power generation device according to claim 1, characterized in that: The waterproof layer (2) comprises a polyethylene water-blocking layer (7), a waterproof isolation layer (8), a steel water-blocking tape (9), and a moisture-absorbing cushion layer (10); the waterproof isolation layer (8) is provided on the inner side of the polyethylene water-blocking layer (7); the steel water-blocking tape (9) is provided on the inner side of the waterproof isolation layer (8); and the moisture-absorbing cushion layer (10) is provided on the inner side of the steel water-blocking tape (9).

3. The aluminum alloy cable for a solar power generation device according to claim 1, characterized in that: The pressure-resistant layer (3) comprises a pressure-resistant rubber ring (11), a support bin (12), and an elastic block (13). The support bin (12) is provided on the inner side of the pressure-resistant rubber ring (11), and the elastic block (13) is installed inside the support bin (12). A plurality of the elastic blocks (13) are provided, and the plurality of elastic blocks (13) are distributed in a row with the center of a circle.

4. The aluminum alloy cable for a solar power generation device according to claim 1, characterized in that: The outer sheath (1) comprises an outer armor protection layer (14), an epoxy resin wear-resistant layer (15), and an anti-oxidation layer (16); the outer armor protection layer (14) is provided with an epoxy resin wear-resistant layer (15) on the inner side, and the epoxy resin wear-resistant layer (15) is provided with an anti-oxidation layer (16) on the inner side.

5. The aluminum alloy cable for a solar power generation device according to claim 1, characterized in that: A fixing belt is wound around the outer side of the filling layer (4).

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