Waterproof power aluminum alloy cable

By using waterproof composite inner sleeve, composite filling support structure and layered wrap processing in power aluminum alloy cables, the problems of poor waterproofing effect and insufficient support are solved, and the internal and external waterproof structure is realized, which improves the waterproof performance of the cable and Intensity of use.

CN119296865APending Publication Date: 2025-01-10JIANGSU HENGTONG WIRE & CABLE TECH +1
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Patent Information

Application Number
CN202411552183.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-01-10

AI Technical Summary

Technical Problem

Existing electric aluminum alloy cables have poor waterproofing effect and are prone to leakage and insufficient internal support.

Method used

The waterproof composite inner sleeve, composite filling support structure and layered wrap processing are adopted, combined with injection molding and compression molding technology to form a double waterproof structure inside and outside to enhance the waterproofing and support capabilities of the cable.

Benefits of technology

It effectively improves the waterproof performance of the cable, avoids leakage, increases the strength of use and protective effect, and simplifies the production process.

✦ Generated by Eureka AI based on patent content.

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Abstract

A waterproof electric power aluminum alloy cable disclosed by the present invention comprises an aluminum alloy core body, the outer side of the aluminum alloy core body is integrally coated with a core body sheath, the outer side of the core body sheath is integrally coated with a waterproof composite inner sleeve, and the outer side of the waterproof composite inner sleeve is integrally coated with a composite filling support structure. The outer side of the composite filling supporting structure is integrally coated with an insulating leather sheath, the outer side of the insulating leather sheath is integrally coated with a shielding leather sheath, the outer side of the shielding leather sheath is integrally coated with a flame-retardant leather sheath, and the outer side of the flame-retardant leather sheath is integrally coated with a waterproof composite outer sleeve. The waterproof electric power aluminum alloy cable is provided with the waterproof composite inner sleeve, the waterproof composite outer sleeve and the composite filling supporting structure, the waterproof effect of the cable can be improved, an inner and outer dual waterproof structure is adopted, the situation of water inflow and electric leakage is not prone to occurring, the use strength of the cable can be improved, the inner core body can better support, filling is convenient, and the service life of the cable is prolonged. And a better protection effect is achieved.
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Description

Technical Field

[0001] The invention relates to the field of power aluminum alloy cables, and in particular to a waterproof power aluminum alloy cable. Background Art

[0002] Power aluminum alloy cable is a cable for power transmission. The conductivity of aluminum alloy is 61.8% of the most commonly used benchmark material copper, and the current carrying capacity is 79% of copper, which is better than the pure aluminum standard. However, at the same volume, the actual weight of aluminum alloy is about one-third of copper. Therefore, at the same current carrying capacity, the weight of aluminum alloy cable is about half of that of copper cable. Using aluminum alloy cable instead of copper cable can reduce cable weight, reduce installation costs, reduce wear on equipment and cables, and make installation easier. With the continuous development of science and technology, people have higher and higher requirements for the manufacturing process of power aluminum alloy cable.

[0003] The existing power aluminum alloy cables have certain disadvantages when in use. First, the performance of the existing power aluminum alloy cables cannot meet the requirements well when in use, and the waterproof effect is poor. After being soaked in too much water, leakage may occur, which is not conducive to people's use. In addition, the internal support effect of the existing power aluminum alloy cables is poor, and they are prone to bending and damage, which brings certain adverse effects to people's use process. For this reason, we propose a waterproof power aluminum alloy cable. Summary of the invention

[0004] Technical problem to be solved: In view of the deficiencies in the prior art, the present invention provides a waterproof electric aluminum alloy cable, which is provided with a waterproof composite inner sleeve, a waterproof composite outer sleeve and a composite filling support structure, which can increase the waterproof effect of the cable. It adopts an internal and external double waterproof structure, which is not prone to water ingress and leakage, and can also increase the strength of the cable. The internal core is better supported and easy to fill, has a better protective effect, and can effectively solve the problems in the background technology.

[0005] Technical solution: To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a waterproof electric power aluminum alloy cable, comprising an aluminum alloy core, the outer side of the aluminum alloy core is integrally covered with a core sheath, the outer side of the core sheath is integrally covered with a waterproof composite inner sheath, the outer side of the waterproof composite inner sheath is integrally covered with a composite filling support structure, the outer side of the composite filling support structure is integrally covered with an insulating sheath, the outer side of the insulating sheath is integrally covered with a shielding sheath, the outer side of the shielding sheath is integrally covered with a flame-retardant sheath, and the outer side of the flame-retardant sheath is integrally covered with a waterproof composite outer sheath.

[0006] As a preferred technical solution of the present application, the waterproof composite jacket includes a self-cleaning film, a wear-resistant film, an antistatic film, an epoxy resin film, an outer waterproof film and a waterproof sealant. The waterproof sealant is located on the inner surface of the end of the outer waterproof film, the epoxy resin film is located on the surface of the outer waterproof film, the antistatic film is located on the surface of the epoxy resin film, the wear-resistant film is located on the surface of the antistatic film, and the self-cleaning film is located on the surface of the wear-resistant film.

[0007] As a preferred technical solution of the present application, the waterproof composite inner sleeve includes an inner waterproof membrane, a thermal insulation membrane, a fire-resistant membrane, a fiber membrane and a rubber membrane. The fiber membrane is located on the surface of the rubber membrane, the fire-resistant membrane is located on the surface of the fiber membrane, the thermal insulation membrane is located on the surface of the fire-resistant membrane, and the inner waterproof membrane is located on the surface of the thermal insulation membrane.

[0008] As a preferred technical solution of the present application, the composite filling support structure includes a core frame, an insulating resin film, a conductive tape, a filling pad and a wrapping tape. The conductive tape is located on the outside of the core frame, the filling pad covers the outside of the conductive tape, the wrapping tape covers the outside of the filling pad, and the insulating resin film covers the outside of the wrapping tape.

[0009] As a preferred technical solution of the present application, the aluminum alloy core, core sheath, waterproof composite inner sheath, composite filling support structure, insulating leather sheath, shielding leather sheath, flame retardant leather sheath and waterproof composite outer sheath are fixed by layer-by-layer wrapping processing.

[0010] As a preferred technical solution of the present application, the self-cleaning film, the wear-resistant film, the antistatic film, the epoxy resin film and the outer waterproof film are integrally formed by injection molding, and waterproof sealing is performed by a waterproof sealant.

[0011] As a preferred technical solution of the present application, the inner waterproof membrane, the heat insulating membrane, the fire-resistant membrane, the fiber membrane and the rubber membrane are integrally formed by compression molding.

[0012] As a preferred technical solution of the present application, the core frame, conductive tape, filling pad, wrapping tape and insulating resin film are formed by winding, coating and bonding.

[0013] Beneficial effects: Compared with the prior art, the present invention provides a waterproof electric power aluminum alloy cable, which has the following beneficial effects: the waterproof electric power aluminum alloy cable is provided with a waterproof composite inner sleeve, a waterproof composite outer sleeve and a composite filling support structure, which can increase the waterproof effect of the cable, adopt an internal and external double waterproof structure, is not prone to water ingress and leakage, and can also increase the use strength of the cable, the internal core is better supported, easy to fill, and has a better protective effect. During production, the aluminum alloy core, core sleeve, waterproof composite inner sleeve, composite filling support structure, insulating sheath, shielding sheath, flame retardant sheath and waterproof composite outer sleeve are fixed by layer-by-layer wrapping processing, the self-cleaning film, wear-resistant film, anti-static film, epoxy resin film and outer waterproof film are integrally formed by injection molding, and waterproof sealing is performed by waterproof sealant, the inner waterproof film, heat insulation film, fire-resistant film, fiber membrane and rubber film are integrally formed by compression molding, the core frame, conductive tape, filling pad, wrapping tape and insulating resin film are formed by winding, covering and bonding, the entire electric power aluminum alloy cable has a simple structure, is easy to operate, and has a better effect than the traditional method. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is a schematic diagram of the overall structure of a waterproof power aluminum alloy cable.

[0015] Figure 2 The present invention is a schematic structural diagram of an aluminum alloy core in a waterproof power aluminum alloy cable.

[0016] Figure 3 The present invention is a schematic structural diagram of a waterproof composite jacket in a waterproof power aluminum alloy cable.

[0017] Figure 4 The present invention is a schematic structural diagram of a waterproof composite inner sheath in a waterproof power aluminum alloy cable.

[0018] Figure 5 The present invention is a schematic structural diagram of a composite filling support structure in a waterproof electric power aluminum alloy cable.

[0019] In the figure: 1. Aluminum alloy core; 2. Core sheath; 3. Waterproof composite inner sheath; 4. Insulating leather sheath; 5. Composite filling support structure; 6. Shielding leather sheath; 7. Flame retardant leather sheath; 8. Waterproof composite outer sheath; 9. Self-cleaning film; 10. Wear-resistant film; 11. Antistatic film; 12. Epoxy resin film; 13. External waterproof film; 14. Waterproof sealant; 15. Internal waterproof film; 16. Insulating film; 17. Fire-resistant film; 18. Fiber film; 19. Rubber film; 20. Core frame; 21. Insulating resin film; 22. Conductive tape; 23. Filling pad; 24. Wrapping tape. DETAILED DESCRIPTION

[0020] The technical scheme of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments, but it will be understood by those skilled in the art that the following described embodiments are part of embodiments of the present invention, rather than all embodiments, and are only used to illustrate the present invention, and should not be considered as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of the present invention. If specific conditions are not specified in the embodiments, they are carried out according to normal conditions or conditions recommended by the manufacturer. If the manufacturer is not specified in the reagents or instruments used, they are all conventional products that can be purchased commercially.

[0021] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] like Figure 1-5 As shown, a waterproof electric power aluminum alloy cable comprises an aluminum alloy core 1, the outer side of the aluminum alloy core 1 is integrally coated with a core sheath 2, the outer side of the core sheath 2 is integrally coated with a waterproof composite inner sheath 3, the outer side of the waterproof composite inner sheath 3 is integrally coated with a composite filling support structure 5, the outer side of the composite filling support structure 5 is integrally coated with an insulating sheath 4, the outer side of the insulating sheath 4 is integrally coated with a shielding sheath 6, the outer side of the shielding sheath 6 is integrally coated with a flame retardant sheath 7, and the outer side of the flame retardant sheath 7 is integrally coated with a waterproof composite outer jacket 8. The waterproof composite inner sheath, the waterproof composite outer jacket and the composite filling support structure are provided, which can increase the waterproof effect of the cable, adopt an internal and external double waterproof structure, which is not prone to water ingress and leakage, and can also increase the use strength of the cable, and the internal core is better supported, which is convenient for filling and has a better protective effect.

[0024] Furthermore, the waterproof composite jacket 8 includes a self-cleaning film 9, a wear-resistant film 10, an antistatic film 11, an epoxy resin film 12, an outer waterproof film 13 and a waterproof sealant 14. The waterproof sealant 14 is located on the inner surface of the end of the outer waterproof film 13, the epoxy resin film 12 is located on the surface of the outer waterproof film 13, the antistatic film 11 is located on the surface of the epoxy resin film 12, the wear-resistant film 10 is located on the surface of the antistatic film 11, and the self-cleaning film 9 is located on the surface of the wear-resistant film 10.

[0025] Furthermore, the waterproof composite inner sleeve 3 includes an inner waterproof membrane 15, a thermal insulation membrane 16, a fire-resistant membrane 17, a fiber membrane 18 and a rubber membrane 19. The fiber membrane 18 is located on the surface of the rubber membrane 19, the fire-resistant membrane 17 is located on the surface of the fiber membrane 18, the thermal insulation membrane 16 is located on the surface of the fire-resistant membrane 17, and the inner waterproof membrane 15 is located on the surface of the thermal insulation membrane 16.

[0026] Furthermore, the composite filling support structure 5 includes a core frame 20, an insulating resin film 21, a conductive tape 22, a filling pad 23 and a wrapping tape 24. The conductive tape 22 is located on the outside of the core frame 20, the filling pad 23 covers the outside of the conductive tape 22, the wrapping tape 24 covers the outside of the filling pad 23, and the insulating resin film 21 covers the outside of the wrapping tape 24.

[0027] Furthermore, the aluminum alloy core 1, the core sheath 2, the waterproof composite inner sheath 3, the composite filling support structure 5, the insulating leather sheath 4, the shielding leather sheath 6, the flame retardant leather sheath 7 and the waterproof composite outer sheath 8 are fixed by layer-by-layer wrapping processing.

[0028] Furthermore, the self-cleaning film 9 , the wear-resistant film 10 , the antistatic film 11 , the epoxy resin film 12 and the outer waterproof film 13 are integrally formed by injection molding, and waterproof sealing is performed by a waterproof sealant 14 .

[0029] Furthermore, the inner waterproof membrane 15, the heat insulating membrane 16, the fire-resistant membrane 17, the fiber membrane 18 and the rubber membrane 19 are integrally formed by compression molding.

[0030] Furthermore, the core frame 20, the conductive tape 22, the filling pad 23, the wrapping tape 24 and the insulating resin film 21 are formed by winding, covering and bonding.

[0031] Working principle: The present invention comprises an aluminum alloy core 1, a core sheath 2, a waterproof composite inner sheath 3, an insulating leather sheath 4, a composite filling support structure 5, a shielding leather sheath 6, a flame retardant leather sheath 7, a waterproof composite outer sheath 8, a self-cleaning film 9, a wear-resistant film 10, an antistatic film 11, an epoxy resin film 12, an outer waterproof film 13, a waterproof sealant 14, an inner waterproof film 15, a heat insulation film 16, a fire-resistant film 17, a fiber film 18, a rubber film 19, a core frame 20, an insulating resin film 21, a conductive tape 22, a filling pad 23, and a wrapping tape 24. During the manufacturing process, the aluminum alloy core 1, the core sheath 2, the waterproof composite inner sheath 3, the composite filling support structure 5, the insulating leather sheath 4, the shielding leather sheath 6, the flame retardant leather sheath 7 and the waterproof composite outer sheath 8 are solidified by layer-by-layer wrapping processing. The self-cleaning film 9, the wear-resistant film 10, the antistatic film 11, the epoxy resin film 12 and the outer waterproof film 13 are integrally formed by injection molding, and are waterproofly sealed by the waterproof sealant 14. The inner waterproof membrane 15, the heat-insulating film 16, the fire-resistant film 17, the fiber membrane 18 and the rubber film 19 are integrally formed by compression molding. The core frame 20, the conductive tape 22, the filling pad 23, the wrapping tape 24 and the insulating resin film 21 are formed by winding, covering and bonding. A waterproof composite inner sleeve, a waterproof composite outer sleeve and a composite filling support structure are provided, which can increase the waterproof effect of the cable. The internal and external double waterproof structure is adopted, which is not prone to water ingress and leakage, and can also increase the strength of the cable. The internal core body is better supported, which is convenient for filling and has a better protective effect.

[0032] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0033] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A waterproof power aluminum alloy cable, comprising an aluminum alloy core (1), characterized in that: The outer side of the aluminum alloy core (1) is integrally covered with a core sheath (2), the outer side of the core sheath (2) is integrally covered with a waterproof composite inner sheath (3), the outer side of the waterproof composite inner sheath (3) is integrally covered with a composite filling support structure (5), the outer side of the composite filling support structure (5) is integrally covered with an insulating leather sheath (4), the outer side of the insulating leather sheath (4) is integrally covered with a shielding leather sheath (6), the outer side of the shielding leather sheath (6) is integrally covered with a flame-retardant leather sheath (7), and the outer side of the flame-retardant leather sheath (7) is integrally covered with a waterproof composite outer sheath (8).

2. The waterproof power aluminum alloy cable according to claim 1, characterized in that: The waterproof composite jacket (8) comprises a self-cleaning film (9), a wear-resistant film (10), an antistatic film (11), an epoxy resin film (12), an outer waterproof film (13) and a waterproof sealant (14); the waterproof sealant (14) is located on the inner surface of the end of the outer waterproof film (13); the epoxy resin film (12) is located on the surface of the outer waterproof film (13); the antistatic film (11) is located on the surface of the epoxy resin film (12); the wear-resistant film (10) is located on the surface of the antistatic film (11); and the self-cleaning film (9) is located on the surface of the wear-resistant film (10).

3. The waterproof power aluminum alloy cable according to claim 1, characterized in that: The waterproof composite inner sleeve (3) comprises an inner waterproof membrane (15), a thermal insulation membrane (16), a fire-resistant membrane (17), a fiber membrane (18) and a rubber membrane (19); the fiber membrane (18) is located on the surface of the rubber membrane (19); the fire-resistant membrane (17) is located on the surface of the fiber membrane (18); the thermal insulation membrane (16) is located on the surface of the fire-resistant membrane (17); and the inner waterproof membrane (15) is located on the surface of the thermal insulation membrane (16).

4. The waterproof power aluminum alloy cable according to claim 1, characterized in that: The composite filling support structure (5) comprises a core frame (20), an insulating resin film (21), a conductive tape (22), a filling pad (23) and a wrapping tape (24), wherein the conductive tape (22) is located on the outer side of the core frame (20), the filling pad (23) covers the outer side of the conductive tape (22), the wrapping tape (24) covers the outer side of the filling pad (23), and the insulating resin film (21) covers the outer side of the wrapping tape (24).

5. The waterproof power aluminum alloy cable according to claim 1, characterized in that: The aluminum alloy core (1), the core sheath (2), the waterproof composite inner sheath (3), the composite filling support structure (5), the insulating leather sheath (4), the shielding leather sheath (6), the flame-retardant leather sheath (7) and the waterproof composite outer sheath (8) are fixed by layer-by-layer wrapping processing.

6. The waterproof power aluminum alloy cable according to claim 2, characterized in that: The self-cleaning film (9), the wear-resistant film (10), the antistatic film (11), the epoxy resin film (12) and the outer waterproof film (13) are integrally formed by injection molding, and waterproof sealing is performed by a waterproof sealant (14).

7. The waterproof power aluminum alloy cable according to claim 3, characterized in that: The inner waterproof membrane (15), the heat insulation membrane (16), the fire-resistant membrane (17), the fiber membrane (18) and the rubber membrane (19) are integrally formed by compression molding.

8. The waterproof power aluminum alloy cable according to claim 4, characterized in that: The core frame (20), the conductive tape (22), the filling pad (23), the wrapping tape (24) and the insulating resin film (21) are formed by winding, coating and bonding.