Aluminum alloy conductor power flexible cable with extension function

Abstract

The utility model discloses an aluminum alloy conductor electric power flexible cable with an extension function, which comprises a flexible cable main body, an inner layer and an outer skin, the flexible cable main body is composed of the inner layer and the outer skin, the outer skin is arranged on the outer side of the inner layer, and an auxiliary frame is arranged on the inner side of the inner layer. According to the utility model, the auxiliary frame can cooperate with the limiting strips to form a certain buffer space when the auxiliary frame is extruded by the outside, thereby preventing the inner core from being damaged and improving the pressure resistance of the inner core, and meanwhile, the rubber has better ductility, so that the extension and tension resistance of the cable can be effectively enhanced, the service life of the cable is prolonged, and the inner core is separately placed, thereby improving the service life of the cable. By arranging the filler made of mica, the heat conduction capability of the inner cores can be effectively enhanced, and by cooperatively using the filler with the auxiliary frame, the protection effect on the inner cores can be ensured while the heat dissipation effect is improved, and the practicability of the cable is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to an aluminum alloy conductor power soft cable with an extension function. Background Art

[0002] Cables include power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, etc. They are all composed of single or multiple strands of wire and insulation layer, used to connect circuits, electrical appliances, etc. Aluminum alloy flexible cable is one of them.

[0003] Chinese patent authorization announcement number CN 210039680 U discloses an aluminum alloy conductor flexible cable, which solves the problem that the existing aluminum alloy conductor flexible cables do not have a good internal gap, and the internal cables are easily damaged by friction during bending and extrusion. At the same time, the cable labels are easily damaged and lost, which is not conducive to maintenance and identification by staff. The cable comprises a cable body, one end of which is fixed with a label placement mechanism, the label placement mechanism comprising a clamping block, a clamping block, a placement groove and a transparent cover. The clamping block is mounted with a first hoop and a second hoop through a fixed rotating shaft. One end of the first hoop and the second hoop is provided with a clamping block, a fixing screw is inserted into the clamping block, and a nut is sleeved on the fixing screw. A placement groove is provided in the middle of the inner side of the first hoop, and a transparent cover is provided on the outer side of the placement groove. The utility model has a novel structure and an ingenious design, can prevent leakage, and at the same time, there is no internal extrusion and friction, which can protect the internal aluminum alloy conductor and prevent the label from being damaged or lost.

[0004] The above-mentioned existing technical solution has the following shortcomings: the technical solution achieves the purpose of buffering and anti-extrusion protection of the aluminum alloy conductor by arranging rubber filler inside the flexible cable, but during use, due to the low thermal conductivity of rubber, the heat dissipation capacity of the internal conductor is reduced after the aluminum alloy conductor is fully wrapped, which has a certain impact on its service life and has a certain room for optimization. Therefore, it is necessary to design an aluminum alloy conductor power flexible cable with an extension function to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide an aluminum alloy conductor power flexible cable with an extension function, so as to solve the problem of low heat dissipation and heat conductivity of the internal conductor proposed in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: an aluminum alloy conductor power flexible cable with an extension function, comprising a flexible cable body, an inner layer and an outer sheath, wherein the flexible cable body is composed of the inner layer and the outer sheath, and the outer sheath is arranged on the outside of the inner layer;

[0007] An auxiliary frame is provided on the inner side of the inner layer, and a center ring is fixed at the center position inside the auxiliary frame, inner cores are evenly provided inside the auxiliary frame outside the center ring, and limiting strips are evenly fixed inside the auxiliary frame outside the inner core, and fillers are provided inside the auxiliary frame, and the inner core consists of an insulating layer and a conductor core, and the insulating layer is provided on the outside of the conductor core.

[0008] Preferably, the outer skin consists of an outer sheath, a shielding layer, a heat-conducting layer and a tape layer, the heat-conducting layer is arranged on the outside of the tape layer, the shielding layer is arranged on the outside of the heat-conducting layer, and the outer sheath is arranged on the outside of the shielding layer.

[0009] Preferably, the wrapping layer is made of low-smoke halogen-free oxygen-isolating wrapping tape, and the heat-conducting layer is made of heat-conducting copper film.

[0010] Preferably, the shielding layer is woven from tinned copper wires.

[0011] Preferably, the conductor core is formed by twisting a plurality of aluminum alloy metal wires, and the insulating layer is made of polyvinyl chloride.

[0012] Preferably, the auxiliary frame is made of rubber, and the filler is made of mica.

[0013] Preferably, the cross-sections of the limiting bars are all arranged in a semicircular shape, and the limiting bars are arranged at equal intervals on the inner side of the auxiliary frame.

[0014] Compared with the prior art, the beneficial effects of the present invention are: the aluminum alloy conductor power flexible cable with an extension function realizes the functions of improving heat dissipation and pressure resistance protection;

[0015] The auxiliary frame can cooperate with the limit strip to form a certain buffer space when it is squeezed by the outside world, thereby avoiding damage to the inner core and improving its pressure resistance. At the same time, the rubber has good ductility, which can effectively enhance the cable's extension and tensile strength, thereby improving the service life of the cable. The inner cores are separated and placed to reduce the mutual influence between the inner cores. By setting the filler made of mica, it can effectively enhance the thermal conductivity of the inner core. When used in conjunction with the auxiliary frame, it can improve the heat dissipation effect while ensuring the protection effect of the inner core, thereby enhancing the practicality of the cable.

[0016] By providing a shielding layer woven from tinned copper wire, it can effectively block the interference of electromagnetic waves and ensure the stability of signal transmission. The woven structure it adopts makes it have good elasticity and smoothness, which is convenient for installation and use in various complex environments. By providing a thermal conductive layer made of thermal conductive copper film, it can achieve the conduction of the inner core temperature and improve the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure inside the outer sheath of the utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the inner core of the utility model;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the auxiliary frame of the present utility model.

[0022] Explanation of the reference numerals in the figure: 1. Flexible cable body; 2. Inner layer; 3. Outer skin; 4. Filler; 5. Auxiliary frame; 6. Limiting strip; 7. Inner core; 8. Center ring; 9. Outer sheath; 10. Shielding layer; 11. Thermal conductive layer; 12. Tape layer; 13. Insulation layer; 14. Conductor core. DETAILED DESCRIPTION

[0023] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figures 1-4 The utility model provides an embodiment of an aluminum alloy conductor power flexible cable with an extension function, comprising a flexible cable body 1, an inner layer 2 and an outer sheath 3, wherein the flexible cable body 1 is composed of the inner layer 2 and the outer sheath 3;

[0025] The outer skin 3 is composed of an outer sheath 9, a shielding layer 10, a heat-conducting layer 11 and a tape layer 12. The heat-conducting layer 11 is arranged on the outside of the tape layer 12, the shielding layer 10 is arranged on the outside of the heat-conducting layer 11, and the outer sheath 9 is arranged on the outside of the shielding layer 10. The tape layer 12 adopts low-smoke halogen-free oxygen-insulating tape, the heat-conducting layer 11 adopts heat-conducting copper film, and the shielding layer 10 is woven from tinned copper wire.

[0026] Specifically, such as Figure 1 and Figure 2 As shown, when in use, the shielding layer 10 woven from tinned copper wires can effectively block the interference of electromagnetic waves and ensure the stability of signal transmission. The braided structure adopted by the shielding layer 10 makes it have good elasticity and smoothness, which is convenient for installation and use in various complex environments. The heat-conducting layer 11 made of a heat-conducting copper film can achieve the conduction of the temperature of the inner core 7, thereby improving the safety of use.

[0027] The outer skin 3 is arranged on the outer side of the inner layer 2, and the inner side of the inner layer 2 is provided with an auxiliary frame 5;

[0028] The auxiliary frame 5 is made of rubber, and the filler 4 is made of mica;

[0029] Specifically, such as Figure 1 As shown, when in use, by setting the auxiliary frame 5 made of rubber, it can cooperate with the limit strip 6 to form a certain buffer space when it is squeezed by the outside world, thereby avoiding damage to the inner core 7 and improving its pressure resistance. At the same time, rubber has good ductility, which can effectively enhance the extension and tensile strength of the cable and improve the service life of the cable. By setting the material to mica filler 4, it can effectively enhance the thermal conductivity of the inner core 7;

[0030] A center ring 8 is fixed at the center position of the auxiliary frame 5, and inner cores 7 are evenly arranged inside the auxiliary frame 5 outside the center ring 8. Limiting strips 6 are evenly fixed inside the auxiliary frame 5 outside the inner core 7;

[0031] The cross-section of the limiting strips 6 is semicircular, and the limiting strips 6 are arranged at equal intervals on the inner side of the auxiliary frame 5;

[0032] Specifically, such as Figure 1 and Figure 4 As shown, when in use, the limiting strip 6 can limit the inner core 7 while forming a certain buffer and heat dissipation space to improve the overall use effect;

[0033] The auxiliary frame 5 is provided with a filler 4 inside, and the inner core 7 is composed of an insulating layer 13 and a conductor core 14;

[0034] The conductor core 14 is formed by twisting a number of aluminum alloy wires, and the insulation layer 13 is made of polyvinyl chloride;

[0035] Specifically, such as Figure 1 and Figure 3 As shown, when in use, the provision of the insulating layer 13 can prevent leakage, and the provision of the aluminum alloy conductor can reduce the weight of the cable while reducing the cost of use;

[0036] The insulating layer 13 is provided on the outside of the conductor core 14 .

[0037] Working principle: When the utility model is in use, the auxiliary frame 5 and the limit strip 6 are used in conjunction with each other to form a certain buffer space when it is squeezed by the outside world, thereby avoiding damage to the inner core 7 and improving its pressure resistance. At the same time, the rubber has good ductility, which can effectively enhance the cable's tensile strength and extend the service life of the cable. The inner core 7 can be separated and placed to reduce the mutual influence between the inner cores 7, and the filler 4 is set to enhance the thermal conductivity of the inner core 7. It is used in conjunction with the auxiliary frame 5 to improve the heat dissipation effect while ensuring the protection effect of the inner core 7. By providing a shielding layer 10 woven from tinned copper wire, it can effectively block the interference of electromagnetic waves and ensure the stability of signal transmission. The braided structure it adopts makes it have good elasticity and smoothness, which is convenient for installation and use in various complex environments. By providing a thermal conductive layer 11 made of thermal conductive copper film, it can realize the conduction of the temperature of the inner core 7 and improve the safety of use.

[0038] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0039] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An aluminum alloy conductor power flexible cable with an extension function, comprising a flexible cable body (1), an inner layer (2) and an outer skin (3), wherein the flexible cable body (1) is composed of the inner layer (2) and the outer skin (3), and the outer skin (3) is arranged on the outside of the inner layer (2); Its characteristics are: An auxiliary frame (5) is provided on the inner side of the inner layer (2), and a center ring (8) is fixed at the center position inside the auxiliary frame (5); an inner core (7) is evenly provided inside the auxiliary frame (5) outside the center ring (8); a limiting strip (6) is evenly fixed inside the auxiliary frame (5) outside the inner core (7); a filler (4) is provided inside the auxiliary frame (5); the inner core (7) consists of an insulating layer (13) and a conductor core (14); and the insulating layer (13) is provided outside the conductor core (14).

2. The aluminum alloy conductor power flexible cable with an extension function according to claim 1, characterized in that: The outer skin (3) is composed of an outer sheath (9), a shielding layer (10), a heat-conducting layer (11) and a tape layer (12); the heat-conducting layer (11) is arranged on the outside of the tape layer (12); the shielding layer (10) is arranged on the outside of the heat-conducting layer (11); and the outer sheath (9) is arranged on the outside of the shielding layer (10).

3. The aluminum alloy conductor power flexible cable with an extension function according to claim 2, characterized in that: The wrapping tape layer (12) is made of low-smoke, halogen-free, oxygen-isolating wrapping tape, and the heat-conducting layer (11) is made of a heat-conducting copper film.

4. The aluminum alloy conductor power flexible cable with an extension function according to claim 2, characterized in that: The shielding layer (10) is woven from tinned copper wires.

5. The aluminum alloy conductor power flexible cable with an extension function according to claim 1, characterized in that: The conductor core (14) is formed by twisting a plurality of aluminum alloy metal wires, and the insulating layer (13) is made of polyvinyl chloride.

6. The aluminum alloy conductor power flexible cable with an extension function according to claim 1, characterized in that: The auxiliary frame (5) is made of rubber, and the filler (4) is made of mica.

7. The aluminum alloy conductor power flexible cable with an extension function according to claim 1, characterized in that: The cross-sections of the limiting strips (6) are all arranged in a semicircular shape, and the limiting strips (6) are arranged at equal intervals on the inner side of the auxiliary frame (5).

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