CN112309629B - Flexible structure heat dissipation cable - Google Patents

Abstract

The invention belongs to the technical field of power cables, and discloses a heat dissipation cable with a soft structure, which is provided with a cushion layer and a plurality of flexible power components; the flexible power component is characterized by comprising an insulating layer and a conductor positioned in the insulating layer, wherein the insulating layer comprises a first insulating part and a second insulating part which are connected into a whole, the first insulating part is straight, the second insulating part is spirally bent and is wound towards one side of the outside of the first insulating part, the conductor is in a lath shape or a net shape, the other end of the first insulating part is combined on the outer surface of the cushion layer, and all the flexible power components are distributed along the outer surface of the cushion layer. The invention has the following main beneficial effects: the structure is simple, the manufacture is easy, the heat dissipation effect is better, the material consumption is less, the product weight is less, and the cost is lower.

Description

A kind of flexible structure heat dissipation cable

technical field

The invention belongs to the technical field of power cables, and in particular relates to a heat dissipation cable with a flexible structure.

Background technique

The excellent heat dissipation effect of the cable can make the use of insulating materials less, the cross-sectional area of the conductor required to reach the same temperature at the same current carrying capacity is smaller, the insulation thickness of the insulating material is lower, etc., even if the cost is lower, To make the product more competitive, the industry is constantly developing cables with heat dissipation structures, such as the following documents, which have made beneficial contributions to heat dissipation performance.

CN111722337A discloses an optical cable with flexible connecting parts, which has a cable core, a first protective layer located outside the cable core, a sheath layer located outside the first protective layer, and the cable core is provided with a central strength member, a cushion layer, a plurality of There are optical fibers in the loose tube and the loose tube; it is characterized in that the cable core also has a plurality of flexible connecting parts, the cushion layer covers the central reinforcement, and each loose tube is attached to the outer surface of the cushion layer, One end of each flexible connecting part is connected to a loose tube, the other end of each flexible connecting part is connected to the outer surface of the cushion, all flexible connecting parts are distributed in the same rotation direction; The outside is on the same cylindrical surface. It is easy to peel, avoid twisting, reduce the diameter and reduce the cost by the way of drawing out the flexible connecting part and making the loose tube stick to the cushion layer.

CN111856675A discloses a kind of winding optical cable, which has more than four winding units and light transmission parts; it is characterized in that the winding unit is composed of upper/lower surface, first/second right side, left side, and the left side is Connected to the upper surface, the angle between the upper surface and the first right side is α, the angle between the lower surface and the second right side is β, α=360/n degrees, all winding units are wound into a closed structure And an accommodating cavity is formed inside, the upper surface of the latter winding unit is close to the first right side of the previous winding unit, and the left side of the latter winding unit is close to the second right side of the previous one. The included angle of the latter winding unit is close to the included angle of the former winding unit; the light transmission component is located in the accommodating cavity. It enables the manufacture of cables by winding.

However, how to achieve effective heat dissipation, and how to make the structure simpler and faster to manufacture cables with a flexible structure needs to be further improved.

SUMMARY OF THE INVENTION

In order to solve the above problems, the purpose of the present invention is to disclose a flexible structure heat dissipation cable, which is realized by the following technical solutions.

A flexible structure heat dissipation cable, which has a cushion layer and a plurality of flexible power components; it is characterized in that the flexible power components are composed of an insulating layer and a conductor located in the insulating layer, and the insulating layer is composed of a first insulating component and a second insulating layer that are connected as a whole. It is composed of two insulating parts, the first insulating part is straight, the second insulating part is helically bent and wound to the outer side of the first insulating part, the conductor is in strip shape or mesh shape, and the first insulating part is in the shape of a strip or mesh. The other end is bonded to the outer surface of the cushion, and all the flexible electrical components are distributed along the outer surface of the cushion.

A flexible structure heat dissipation cable, which has a cushion layer, a plurality of flexible power components, and a protective layer; it is characterized in that the flexible power component is composed of an insulating layer and a conductor located in the insulating layer, and the insulating layer is composed of a first insulating layer connected as a whole. The first insulating member is straight, the second insulating member is helically bent and is wound to the outer side of the first insulating member, the conductor is in the shape of a strip or a mesh, and the first insulating member is The other end of the insulating part is bonded to the outer surface of the cushion layer, all the flexible electric parts are distributed along the outer surface of the cushion layer, and the protective layer is located outside all the flexible electric parts.

A flexible structure heat dissipation cable has a cushion layer, a plurality of flexible power components, a protective layer, and an outer sheath; it is characterized in that the flexible power components are composed of an insulating layer and a conductor located in the insulating layer, and the insulating layer is integrated by connecting The first insulating part is straight, the second insulating part is helically bent and is wound to the outer side of the first insulating part, and the conductor is in the shape of a strip or a mesh. The other end of the first insulating component is bonded to the outer surface of the cushion layer, all flexible electrical components are distributed along the outer surface of the cushion layer, the protective layer is located outside all flexible electric components, and the outer sheath is located outside the protective layer.

The above-mentioned flexible structure heat dissipation cable is characterized in that there is a reinforcing member or a cavity inside the cushion layer.

The above-mentioned flexible structure heat dissipation cable is characterized in that all flexible electrical components are symmetrically distributed outside the cushion layer.

The above-mentioned flexible structure heat dissipation cable is characterized in that the axis plane of the first insulating part of the flexible electric component passes through the axis of the reinforcing member.

The above-mentioned flexible structure heat dissipation cable is characterized in that the second insulating part of the flexible electric component is not in contact with the outer surface of the cushion layer.

The above-mentioned flexible structure heat dissipation cable is characterized in that the spiral of the second insulating member has more than one turn.

The above-mentioned flexible structure heat dissipation cable is characterized in that in the helix of the second insulating member, adjacent layers are in contact with each other or there is a gap between adjacent layers.

The above-mentioned flexible structure heat dissipation cable is characterized in that there is no contact between adjacent flexible electrical components.

The above-mentioned flexible structure heat dissipation cable is characterized in that the cross section of the flexible structure heat dissipation cable is in a clockwise direction, and in each flexible power component, the second insulating component is located on the left side of the first insulating component; In each of the flexible power components, the second insulating component is located on the right side of the first insulating component.

The above-mentioned flexible structure heat dissipation cable is characterized in that the material of the conductor is copper or aluminum or alloy.

The above-mentioned flexible structure heat-dissipating cable is characterized in that the conductors are cast or drawn or braided by a plurality of thin conductor wires.

The above-mentioned flexible structure heat dissipation cable is characterized in that the insulating layer is integrally formed.

The above-mentioned flexible structure heat dissipation cable is characterized in that the material of the insulating layer is plastic.

The above-mentioned flexible structure heat dissipation cable is characterized in that the material of the reinforcement is copper or steel or iron or glass fiber reinforced plastic or aramid yarn.

The above-mentioned flexible structure heat dissipation cable is characterized in that the material of the cushion layer is plastic.

The above-mentioned flexible structure heat dissipation cable is characterized in that the material of the protective layer is plastic or water blocking tape or non-woven fabric or glass fiber tape or mica tape or aluminum tape with aluminum material or steel with steel material. tape or copper tape.

The above-mentioned flexible structure heat dissipation cable is characterized in that the material of the outer sheath is plastic.

The invention has the following main beneficial effects: simple structure, easy manufacture, better heat dissipation effect, less material consumption, less product weight and lower cost.

Description of drawings

FIG. 1 is a schematic diagram of the three-dimensional structure after dissection of a section of Example 1. FIG.

FIG. 2 is an enlarged schematic cross-sectional structure diagram of FIG. 1 .

FIG. 3 is a schematic diagram of a section of the dissected three-dimensional structure of the flexible power component used in the application.

FIG. 4 is an enlarged schematic cross-sectional structure diagram of FIG. 3 .

FIG. 5 is a schematic diagram of the three-dimensional structure after dissection of a section of Example 2. FIG.

FIG. 6 is an enlarged schematic cross-sectional structure diagram of FIG. 5 .

FIG. 7 is a schematic diagram of the three-dimensional structure after dissection of a section of Example 3. FIG.

FIG. 8 is an enlarged schematic cross-sectional structure diagram of FIG. 7 .

In order to enable those skilled in the art to more accurately and clearly understand and implement the present application, the reference numerals will be further described below with reference to the accompanying drawings. Cushion layer, 5—protective layer, 6—outer sheath, 21—first insulating part, 22—second insulating part.

Detailed ways

Implementation Example 1

Please refer to FIGS. 1 to 4 , a flexible structure heat dissipation cable, comprising a reinforcing member 3 , a cushion layer 4 wrapped around the reinforcing member, and six flexible electrical components; it is characterized in that the flexible electrical components are composed of an insulating layer 2 and the conductor 1 located in the insulating layer, the insulating layer is composed of a first insulating part 21 and a second insulating part 22 connected as one, the first insulating part is straight, and the second insulating part is helically curved and is directed toward the first insulating part. One side of the outer part of the insulating part is wound, and the conductor is in the shape of a strip or a mesh; the other end of the first insulating part is combined with the outer surface of the cushion layer, and the six flexible electric parts are distributed along the outer surface of the cushion layer.

Implementation Example 2

Please refer to FIGS. 5 and 6 , and with reference to FIGS. 1 to 4 , a flexible structure heat dissipation cable, comprising a reinforcing member 3 , a cushion layer 4 wrapped around the reinforcing member, six flexible electrical components, and a protective layer 5 ; It is characterized in that the flexible electrical component is composed of an insulating layer 2 and a conductor 1 located in the insulating layer, the insulating layer is composed of a first insulating component 21 and a second insulating component 22 that are connected as a whole, and the first insulating component is straight, The second insulating part is helically bent and wound to one side outside the first insulating part, the conductor is in the shape of a strip or a mesh, the other end of the first insulating part is bonded to the outer surface of the cushion layer, and the six flexible The electrical components are distributed along the outer surface of the cushion, and the protective layer is located outside all flexible electrical components.

Implementation Example 3

Please refer to Fig. 7 and Fig. 8, and referring to Fig. 1 to Fig. 6, a flexible structure heat dissipation cable, which has a reinforcing member 3, a cushion layer 4 wrapped around the reinforcing member, six flexible electrical components, a protective layer 5, an outer A sheath 6 is formed; it is characterized in that the flexible electrical component is composed of an insulating layer 2 and a conductor 1 located in the insulating layer, and the insulating layer is composed of a first insulating member 21 and a second insulating member 22 that are connected as a whole. The part is straight, the second insulating part is helically bent and wound to one side outside the first insulating part, the conductor is in the shape of a strip or a mesh, and the other end of the first insulating part is bonded to the outside of the cushion layer. Surface, six flexible electrical components are distributed along the outer surface of the cushion layer, the protective layer is located outside all flexible electrical components, and the outer sheath is located outside the protective layer.

In this embodiment, at least one intermediate protective layer may be added between the protective layer and the outer sheath.

In any of the above embodiments, there may be other multiple flexible power components, and all the flexible power components are symmetrically distributed outside the cushion layer.

In any of the above embodiments, the axial plane of the first insulating member of the flexible electrical component passes through the axis of the reinforcement member.

In any of the above embodiments, the second insulating member of the flexible electrical component is not in contact with the outer surface of the cushion layer.

In any of the above embodiments, the helix of the second insulating member has more than one turn.

In any of the above embodiments, in the spiral of the second insulating member, adjacent layers are in contact with each other or there is a gap between adjacent layers.

In any of the above embodiments, there is no contact between adjacent flexible power components.

In any of the above embodiments, it is preferable that the cross section is in a clockwise direction, and the second insulating part in each flexible power component is located on the left side of the first insulating part; or each flexible power component is the second insulating part. The insulating part is located on the right side of the first insulating part.

A flexible structure heat dissipation cable described in this application is characterized in that the material of the conductor is copper or aluminum or alloy.

A flexible structure heat dissipation cable described in the present application is characterized in that the conductor is cast or drawn or braided by a plurality of thin conductor wires.

A flexible structure heat dissipation cable described in this application is characterized in that the insulating layer is integrally formed.

A flexible structure heat dissipation cable described in this application is characterized in that the material of the insulating layer is plastic.

A flexible structure heat dissipation cable described in this application is characterized in that the material of the reinforcing member is copper or steel or iron or glass fiber reinforced plastic or aramid yarn.

A flexible structure heat dissipation cable described in this application is characterized in that the material of the cushion layer is plastic.

A flexible structure heat dissipation cable described in this application is characterized in that the material of the protective layer is plastic or water blocking tape or non-woven fabric or glass fiber tape or mica tape or aluminum tape with aluminum material or with steel material of steel or copper strips.

A flexible structure heat dissipation cable described in this application is characterized in that the material of the outer sheath is plastic.

In the present application, when the cushion layer has sufficient strength and hardness, the reinforcing member can be omitted. In this case, the reinforcing member is a cavity.

In this application, when there is a cavity, cold air or normal temperature air can be passed through to take away more heat emitted by the cable.

In the present application, when the insulating layer is thick enough and the material is hard enough, the first insulating member can be supported upright, the first insulating member can be kept upright and supported, and the second insulating member can be kept in a plurality of spiral bends.

In this application, the second insulating part is located outside to make the heat dissipation effect better; there are gaps between the spirals of the second insulating part to further improve the heat dissipation effect; the adjacent insulating layers are not in contact to make heat dissipation faster; in this application, the conductors are different In the prior art, the circular, square, fan-shaped or oval-shaped structure, slat-shaped or mesh-shaped, makes its area larger, so the heat can be dissipated more quickly. However, in the prior art, there is no inspiration or motivation to use elongated conductors to make them appear as strips or meshes to achieve rapid heat dissipation. In the present application, the diameter of the product is not increased while the conductor is elongated and widened, on the contrary. The phase diameter becomes smaller, so that the material consumption is less, so the cost is lower, and in the existing technology, only stretching and widening can not make other coating materials less, the cost is lower, and the outer diameter of the product is smaller; In the application, the flexible power components can be extruded, with high speed, low cost, and high yield of finished products; in this application, the flexible power components can be manufactured and then bonded or bonded to the cushion, or the cushion and the flexible power The parts are extruded together. In this application, the insulating layer effectively supports the flexible conductor, so that the conductor will not lie down or lie on the cushion layer, so that the product structure is more reliable, and the product shape is stable at the same time, and the cable also has sufficient flexibility; this application In the middle, the conductor can be taken out by peeling off the insulating layer, which is more convenient to peel.

The invention has the following main beneficial effects: simple structure, easy manufacture, better heat dissipation effect, less material consumption, less product weight and lower cost.

The above-mentioned embodiments are only preferred technical solutions of the present invention, and should not be regarded as limitations of the present invention. The protection scope of the present invention shall take the technical solutions described in the claims, including the equivalent alternatives of the technical features in the technical solutions described in the claims, as the protection scope. That is, equivalent replacements and improvements within this scope are also within the protection scope of the present invention.

Claims (10)

1. A heat dissipation cable with a flexible structure, having a cushion layer (4) and a plurality of flexible power components; characterized in that the flexible power components are composed of an insulating layer (2) and a conductor (1) located in the insulating layer, and the insulating layer is composed of an insulating layer (2). It is composed of a first insulating member (21) and a second insulating member (22) that are connected as a whole, the first insulating member is straight, and the second insulating member is helically bent and rolled toward the outer side of the first insulating member When wound, the conductor is in strip shape or mesh shape, the other end of the first insulating part is combined with the outer surface of the cushion layer, and all the flexible electric parts are distributed along the outer surface of the cushion layer. 2 . The flexible structure heat dissipation cable according to claim 1 , further comprising a protective layer ( 5 ), and the protective layer is located outside all flexible electrical components. 3 . 3. A flexible structure heat dissipation cable according to claim 2, characterized in that it further has an outer sheath (6), and the outer sheath is located outside the protective layer. 4. A flexible structure heat dissipation cable according to claim 1 or claim 2 or claim 3, characterized in that there is a reinforcing member or a cavity inside the cushion layer. 5 . The flexible structure heat dissipation cable according to claim 4 , wherein the axial plane of the first insulating part of the flexible electric component passes through the axis of the reinforcing member. 6 . 6 . The flexible structure heat dissipation cable according to claim 5 , wherein the second insulating part of the flexible electric component is not in contact with the outer surface of the cushion; the spiral of the second insulating part has more than one turn. 7 . 7. A flexible structure heat dissipation cable according to claim 6, characterized in that in the helix of the second insulating part, adjacent layers are fitted together or have a gap between adjacent layers; There is no contact between the flexible power components; the cross section of the heat dissipation cable of the flexible structure is in a clockwise direction, and in each flexible power component, the second insulating component is located on the left side of the first insulating component; or each flexible power component In the middle, the second insulating part is located on the right side of the first insulating part. 8. A flexible structure heat dissipation cable according to claim 7, characterized in that the material of the conductor is copper or aluminum or an alloy. 9 . The flexible structure heat dissipation cable according to claim 8 , wherein the insulating layer is integrally formed. 10 . 10. A flexible structure heat dissipation cable according to claim 2 or claim 3, characterized in that the material of the insulating layer is plastic; the material of the cushion layer is plastic; the material of the protective layer is plastic or water blocking tape or non-woven Cloth or fiberglass tape or mica tape or aluminum tape with aluminium material or steel or copper tape with steel material.

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