Aluminum alloy photovoltaic direct current cable

Abstract

The utility model is suitable for the technical field of cables, and provides an aluminum alloy photovoltaic direct current cable which comprises a cable body, and an aluminum alloy conductor is arranged in the cable body. The lining layer is arranged outside the aluminum alloy conductor; the protective layer is assembled outside the lining layer; and the heat dissipation layer is arranged between the lining layer and the protective layer and is used for carrying out heat dissipation on the aluminum alloy conductor. The aluminum alloy photovoltaic direct-current cable provided by the scheme is good in heat dissipation effect, the influence on use caused by untimely heat dissipation is reduced, and the use effect is ensured, so that the service life of the cable is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cable technical field especially relates to a kind of aluminium alloy photovoltaic direct current cables. BACKGROUND

[0002] Cable is used to transmit electric (magnetic) energy, information and realize electromagnetic energy conversion wire product. Broad sense wire and cable is also simply referred to as cable, narrow sense cable is defined as: the following parts are composed of aggregate;One or more insulated wire cores, and their respective possible have covering layer, total protective layer and outer sheath, cable can also have additional without insulation conductor.

[0003] Meanwhile, there are many cables, and the aluminum alloy photovoltaic direct current cable is one of them. However, some existing aluminum alloy photovoltaic direct current cables have poor heat dissipation effect in actual use process. Because the conductor is made of aluminum alloy material, the heat dissipation performance is poor during use. If the heat dissipation performance is poor, the heat will accumulate inside the cable, causing the temperature of the cable to rise. High temperature environment can accelerate the aging process of cable insulation material and sheath, reduce its insulation performance and mechanical strength, and thus shorten the service life of aluminum alloy photovoltaic direct current cable. INVENTION CONTENTS

[0004] The utility model provides a kind of aluminium alloy photovoltaic direct current cable, to solve the problem of poor heat dissipation effect of the aluminum alloy photovoltaic direct current cable currently used proposed in the above background art.

[0005] To solve the above problems, the utility model is realized as follows: an aluminum alloy photovoltaic direct current cable includes: a cable body, an aluminum alloy conductor is arranged in the cable body;An inner liner is arranged outside the aluminum alloy conductor;A protective layer is assembled outside the inner liner;A heat dissipation layer is arranged between the inner liner and the protective layer for heat dissipation of the aluminum alloy conductor.

[0006] Preferably, graphite is arranged in the heat dissipation layer, the graphite is used for heat dissipation of the aluminum alloy conductor, and an insulating layer is arranged outside the aluminum alloy conductor.

[0007] Preferably, a reinforcing layer is arranged outside the heat dissipation layer, glass fiber is arranged in the reinforcing layer, and filler is arranged between the inner liner and the aluminum alloy conductor, and the filler is talc powder.

[0008] Preferably, a shielding layer is arranged outside the reinforcing layer, and an isolation sleeve is arranged outside the shielding layer.

[0009] Preferably, an armor layer is arranged outside the isolation sleeve, and the armor layer is steel wire.

[0010] Preferably, the outer part of the protective layer is provided with a heat dissipation coating and a protective coating, the heat dissipation coating is graphene, and the protective coating is polyurethane.

[0011] Compared with the related art, the aluminum alloy photovoltaic direct-current cable has the following beneficial effects:

[0012] Compared with the prior art, the aluminum alloy photovoltaic direct-current cable provided by the scheme can transmit electric (magnetic) energy, information and realize electromagnetic energy conversion through the overall formation of the cable body and the cooperation of the aluminum alloy conductor, and can effectively improve the heat dissipation effect of the cable body under the action of the heat dissipation layer when the whole is used, reduce the influence on the cable body caused by the delayed heat dissipation, ensure the use effect of the cable body, and thereby prolong the overall service life of the cable body. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a front view structural schematic diagram of an aluminum alloy photovoltaic direct-current cable provided by the utility model;

[0014] Figure 2 is a front view structural schematic diagram of the utility model;

[0015] Figure 3 is Figure 2 is an enlarged structural schematic diagram of the A part shown in the figure;

[0016] Figure 4 is a partial sectional view schematic diagram of the protective layer, the heat dissipation coating and the protective coating in the utility model.

[0017] Reference signs: 1, cable body; 2, aluminum alloy conductor; 201, insulation layer; 3, inner lining layer; 4, protective layer; 5, heat dissipation layer; 501, graphite; 6, reinforcing layer; 601, glass fiber; 7, filler; 8, shielding layer; 9, isolation sleeve; 10, armored layer; 11, heat dissipation coating; 12, protective coating. DETAILED DESCRIPTION

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the application description and the claims herein and the above description of background of the application, summary of the application and abstract are intended to be construed to cover all alternatives falling within the true scope of the application. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The terms "comprising", "having", "including", and "containing" are to be construed open-ended terms (i.e., meaning "including, but not limited to,") unless otherwise noted. The terms "consisting of" and "consisting essentially of" are to be construed as closed terms (i.e., meaning "including and limited to") unless otherwise noted. The terms "first", "second", and the like, as used herein do not have any specific meaning, and are used only for the purpose of distinguishing one element from another. The terms "inner", "outer", "left", "right", and the like, as used herein indicate relative positions or orientations based on the orientations or positions shown in the drawings, and are used only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0019] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. It is expressly understood that any of the embodiments described herein can be combined with any of the other embodiments unless specifically noted otherwise.

[0020] The utility model discloses an aluminum alloy photovoltaic direct current cable, as shown in the figure, aluminum alloy photovoltaic direct current cable includes: cable body 1, the cable body 1 is provided with aluminum alloy conductor 2 in, the inner lining 3 of setting in the aluminum alloy conductor 2 outside, the protective layer 4 of assembling in the inner lining 3 outside, the heat dissipation layer 5 for the aluminum alloy conductor 2 is arranged between the inner lining 3 and the protective layer 4 and is used to heat dissipation. Figures 1-4 As shown in the figure, aluminum alloy photovoltaic direct current cable includes: cable body 1, the cable body 1 is provided with aluminum alloy conductor 2 in, the inner lining 3 of setting in the aluminum alloy conductor 2 outside, the protective layer 4 of assembling in the inner lining 3 outside, the heat dissipation layer 5 for the aluminum alloy conductor 2 is arranged between the inner lining 3 and the protective layer 4 and is used to heat dissipation.

[0021] In the embodiment, by the whole formation cable body 1, under the cooperation of aluminum alloy conductor 2, can transmit electric (magnetic) energy, information and realize electromagnetic energy conversion, and in the whole use, under the action of heat dissipation layer 5, can effectively improve the heat dissipation effect of cable body 1, reduce the influence caused by the heat dissipation of cable body 1 not in time, guarantee the use effect of cable body 1, thereby prolong the service life of cable body 1 whole.

[0022] In the further preferred embodiment of the utility model, the heat dissipation layer 5 is provided with graphite 501, the graphite 501 is used for heat dissipation to the aluminum alloy conductor 2, and the outer portion of the aluminum alloy conductor 2 is provided with an insulating layer 201.

[0023] In the embodiment, the graphite 501 has high heat conduction performance and is relatively low in price, and adding the graphite 501 into the cable body 1 can serve as a heat conduction filler, the heat dissipation effect of the cable body 1 is effectively improved through the graphite 501, the influence of the cable body 1 caused by the delayed heat dissipation is reduced, the use effect of the cable body 1 is ensured, and therefore the service life of the cable body 1 as a whole is prolonged.

[0024] In the further preferred embodiment of the utility model, the outer part of the heat dissipation layer 5 is provided with a reinforcing layer 6, the reinforcing layer 6 is provided with glass fiber 601, and the inner lining layer 3 and the aluminum alloy conductor 2 are provided with filling material 7, and the filling material 7 is talcum powder.

[0025] In the embodiment, the glass fiber 601 has excellent insulation and mechanical strength, and the strength and insulation performance of the cable body 1 can be effectively improved through the glass fiber 601, and the use performance of the cable body 1 as a whole is improved.

[0026] In the further preferred embodiment of the utility model, the outer part of the reinforcing layer 6 is provided with a shielding layer 8, and the outer part of the shielding layer 8 is provided with an isolation sleeve 9.

[0027] In the embodiment, an electromagnetic field is generated after the cable body 1 is electrified, the electromagnetic field can be shielded in the cable through the shielding layer 8, the electromagnetic interference generated to the outside is reduced, the influence of the outside electromagnetic field on the internal signal line is limited, the leakage of the internal signal of the cable body 1 is reduced, signal interference to other nearby cables or equipment is prevented, the normal work of the circuit is ensured, the signal is prevented from being interfered in the transmission process, the transmission rate and quality of the internal signal are improved, the current leakage and short circuit and other problems are prevented under the action of the isolation sleeve 9, and the stable operation of the cable body 1 in the high-voltage and high-current environment is ensured.

[0028] In the further preferred embodiment of the utility model, the outer part of the isolation sleeve 9 is provided with an armored layer 10, and the armored layer 10 is a steel wire.

[0029] In the embodiment, the cable body 1 can bear greater tension, pressure and extrusion in the laying and use process through the armored layer 10, the damage of external physical factors is effectively resisted, the durability of the cable body 1 is remarkably improved, especially in some complex environments, and the service life of the cable body 1 is prolonged.

[0030] In the further preferred embodiment of the utility model, the outer part of the protective layer 4 is provided with a heat dissipation coating layer 11 and a protective coating layer 12, the heat dissipation coating layer 11 is graphene, and the protective coating layer 12 is polyurethane.

[0031] In the embodiment, the heat dissipation coating 11 is graphene, graphene has extremely high thermal conductivity and excellent electrical performance, the graphene coating not only has high heat dissipation efficiency, but also has good wear resistance and anti-fouling performance, which helps to further improve the heat dissipation effect of the cable body 1, and the protective coating 12 is polyurethane, polyurethane has excellent corrosion resistance and weather resistance, and can resist the corrosion of acid, alkali, salt mist and other harsh environments, such coating also has good construction performance and drying speed, and can quickly form a uniform and dense protective film to provide comprehensive protection for the cable body 1.

[0032] In summary, compared with the related art, by integrally forming the cable body 1, under the cooperation of the aluminum alloy conductor 2, the electric (magnetic) energy, information and electromagnetic energy conversion can be transmitted, and when the whole is used, under the action of the heat dissipation layer 5, the heat dissipation effect of the cable body 1 can be effectively improved, the influence of the cable body 1 caused by the delayed heat dissipation is reduced, the use effect of the cable body 1 is ensured, and the service life of the whole cable body 1 is prolonged

[0033] In several embodiments provided in the application, it should be understood that the disclosed device can be implemented in other ways.

[0034] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope of the present application.

Claims

1. An aluminum alloy photovoltaic DC cable, characterized in that, include: The cable body contains an aluminum alloy conductor. An inner liner layer disposed outside the aluminum alloy conductor; A protective layer fitted to the outside of the inner liner; A heat dissipation layer is disposed between the inner liner and the protective layer to dissipate heat from the aluminum alloy conductor.

2. The aluminum alloy photovoltaic DC cable as described in claim 1, characterized in that, The heat dissipation layer contains graphite, which is used to dissipate heat from the aluminum alloy conductor, and the aluminum alloy conductor is provided with an insulating layer on the outside.

3. The aluminum alloy photovoltaic DC cable as described in claim 1, characterized in that, The heat dissipation layer is provided with a reinforcing layer on the outside, and glass fiber is provided inside the reinforcing layer. A filler material, namely talc powder, is provided between the inner lining layer and the aluminum alloy conductor.

4. The aluminum alloy photovoltaic DC cable as described in claim 3, characterized in that, The reinforcing layer is provided with a shielding layer outside, and the shielding layer is provided with an isolation sleeve outside.

5. The aluminum alloy photovoltaic DC cable as described in claim 4, characterized in that, The outer side of the isolation sleeve is provided with an armor layer, which is made of steel wire.

6. The aluminum alloy photovoltaic DC cable as described in claim 1, characterized in that, The protective layer is provided with a heat dissipation coating and a protective coating on its exterior. The heat dissipation coating is graphene, and the protective coating is polyurethane.

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