CN219512849U

CN219512849U - Flat wire

Info

Publication number: CN219512849U
Application number: CN202320146177.7U
Authority: CN
Inventors: 吴原兵; 谢忱昊
Original assignee: Huizhou LTK Electronic Cable Co Ltd; LTK Electric Wire Huizhou Co Ltd; LTK Electric Wire Changzhou Co Ltd
Current assignee: Huizhou LTK Electronic Cable Co Ltd; LTK Electric Wire Huizhou Co Ltd; LTK Electric Wire Changzhou Co Ltd; Shenzhen Woer Special Cable Co Ltd
Priority date: 2023-01-14
Filing date: 2023-01-14
Publication date: 2023-08-11
Anticipated expiration: 2033-01-14

Abstract

The utility model relates to the field of electric wires, and discloses a flat electric wire which comprises two core wires A, a twisting component and a flat outer cover. The stranding component is arranged between the two core wires A; the stranding component comprises three core wires B, an inner protective layer, two core wires C and two core wires D; three core wires are stranded in phase B; the inner protective layer is coated on the outer surfaces of the three core wires B; the two core wires C are arranged on one side of the inner protective layer; the two core wires D are arranged on the opposite side of the inner protective layer; the diameter of the core wire A is larger than that of the core wire C, the diameter of the core wire C is larger than that of the core wire D, and the diameter of the core wire D is larger than that of the core wire B; the flat outer coating is coated on the outer surfaces of the stranded assembly and the two core wires A. The flat wire has the characteristics of good flexibility, excellent bending performance, good wear resistance and long service life, and is particularly suitable for the charging wire of an unmanned aerial vehicle.

Description

Flat wire

Technical Field

The utility model relates to the field of electric wires, in particular to a flat electric wire.

Background

At present, many electrical equipment such as electric motor car, unmanned aerial vehicle have all used quick charging device, and the charging wire of using is the electric wire of big specification basically, and the whole external diameter of wire rod is big, and the flexibility is relatively poor, and is difficult for bending, and it is inconvenient to use, and life is shorter moreover.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a flat electric wire which has the characteristics of good flexibility, excellent bending performance, good wear resistance and long service life, and is particularly suitable for a charging wire of an unmanned aerial vehicle.

The aim of the utility model is realized by the following technical scheme:

a flat wire comprising:

two core wires A;

the twisting component is arranged between the two core wires A; the stranding assembly comprises three core wires B, an inner protective layer, two core wires C and two core wires D; three core wires are stranded in the phase B; the inner protective layers are coated on the outer surfaces of the three core wires B; the two core wires C are arranged on one side of the inner protective layer; the two core wires D are arranged on the opposite side of the inner protective layer; the diameter of the core wire A is larger than that of the core wire C, the diameter of the core wire C is larger than that of the core wire D, and the diameter of the core wire D is larger than that of the core wire B; a kind of electronic device with high-pressure air-conditioning system

And the flat outer coating is coated on the outer surfaces of the stranded assembly and the two core wires A.

In one embodiment, the core wire A comprises a conductor A and an insulating layer A, and the insulating layer A is coated on the outer surface of the conductor A; the core wire B comprises a conductor B and an insulating layer B, and the insulating layer B is coated on the outer surface of the conductor B; the core wire C comprises a conductor C and an insulating layer C, and the insulating layer C is coated on the outer surface of the conductor C; the core wire D comprises a conductor D and an insulating layer D, and the insulating layer D is coated on the outer surface of the conductor D.

In one embodiment, the diameter of the conductor a is greater than the diameter of the conductor C, which is greater than the diameter of the conductor D, which is greater than the diameter of the conductor B.

In one embodiment, the conductor a, the conductor B, the conductor C, and the conductor D are copper wires.

In one embodiment, the insulating layer a is a silica gel layer, and the insulating layer B, the insulating layer C, and the insulating layer D are FEP layers.

In one embodiment, the core a, the core B, the core C, and the core D are all round.

In one embodiment, the inner protective layer is a metal shielding layer or a plastic insulating layer.

In one embodiment, the flat outer layer is a TPU layer.

In one embodiment, the flat outer cover is provided with a rectangular portion and two arc portions, the stranding assembly and the two core wires A are arranged in the rectangular portion, and the two arc portions extend to two ends of the rectangular portion respectively.

In one embodiment, the flat wire further comprises a filler, the filler is disposed between the core wire B and the inner sheath, the filler is disposed between the two core wires C, the filler is disposed in a gap formed by the inner sheath, the core wire C and the core wire a, the filler is disposed between the two core wires D, the filler is disposed in a gap formed by the inner sheath, the core wire D and the core wire a, and the filler is a bulletproof wire, a polyester fiber wire or a PE adhesive tape.

Compared with the prior art, the utility model has at least the following advantages:

the flat wire adopts core wires with four diameter specifications, the inner protective layer is coated after the three core wires B are stranded, the inner protective layer is stranded with the two core wires C and the two core wires D, then the inner protective layer is stranded with the two core wires A, and finally the flat wire is coated with the flat outer cover, so that the prepared flat wire has the characteristics of compact structure, good flexibility, excellent bending performance, good wear resistance and long service life, and is particularly suitable for the charging wire of an unmanned aerial vehicle.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a flat wire according to an embodiment of the present utility model.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1, a flat wire 10 includes two core wires a110, a stranding assembly 120 and a flat jacket 130. The stranding component 120 is arranged between the two core wires A110; the stranding assembly 120 includes three core wires B121, an inner sheath 122, two core wires C123, and two core wires D124; three core wires B121 are stranded; the inner protective layer 122 is coated on the outer surfaces of the three core wires B121; two core wires C123 are disposed on one side of the inner sheath 122; two core wires D124 are disposed on opposite sides of the inner sheath 122; the diameter of the core wire A110 is larger than the diameter of the core wire C123, the diameter of the core wire C123 is larger than the diameter of the core wire D124, and the diameter of the core wire D124 is larger than the diameter of the core wire B121; the flat outer coating 130 covers the outer surfaces of the stranded assembly 120 and the two core wires a 110. It should be noted that, this 10 adopts the heart yearn of four kinds of diameter specifications, and the cladding inner sheath 122 is stranded mutually by three heart yearn B121 again with two heart yearn C123 and two heart yearn D124, then with two heart yearn A110 looks transposition, the flat jacket 130 of cladding at last, and the compact structure of 10 of thus preparing possesses flexible good, bending property is good, wearability is good, long service life's characteristics, is particularly useful for unmanned aerial vehicle's charging wire.

Further, the core a110, the core B121, the core C123, and the core D124 are all round, and have good integrity.

Further, the core wire a110 includes a conductor a111 and an insulating layer a112, and the insulating layer a112 is coated on the outer surface of the conductor a 111; the core wire B121 comprises a conductor B1211 and an insulating layer B1212, and the insulating layer B1212 is coated on the outer surface of the conductor B1211; the core wire C123 comprises a conductor C1231 and an insulating layer C1232, and the insulating layer C1232 is coated on the outer surface of the conductor C1231; the core wire D124 includes a conductor D1241 and an insulating layer D1242, and the insulating layer D1242 is coated on the outer surface of the conductor D1241.

Further, the diameter of the conductor a111 is larger than the diameter of the conductor C1231, the diameter of the conductor C1231 is larger than the diameter of the conductor D1241, and the diameter of the conductor D1241 is larger than the diameter of the conductor B1211.

Further, the conductor a111, the conductor B1211, the conductor C1231, and the conductor D1241 are copper wires.

For example, the conductor diameter specifications of the four core wires are respectively conductor a111:2AWG, conductor B1211: 22AWG, conductor C1231: 18AWG, conductor D1241: the conductors of each core wire adopt a plurality of strands of ultra-soft annealed copper wires which are composed of single 0.08mm, so that the flexibility of the whole wire rod is met.

Further, the insulating layer a112 is a silica gel layer, and the insulating layer B1212, the insulating layer C1232, and the insulating layer D1242 are FEP layers. It should be noted that, the insulating layer A112 of the core wire A110 is insulated by soft silica gel, and the flame retardance meets the UL94-V0 grade, so that the insulating layer A replaces commonly used XLPE insulation or TPE insulation, so that the core wire is softer, and the flame retardance is ensured. Other core wires are used for controlling signal transmission, FEP insulation is adopted, FEP is totally named as Fluorinated ethylene propylene and translated into fluorinated ethylene propylene copolymer (perfluoroethylene propylene copolymer), the material has excellent high temperature resistance, very good strength and ensured durability.

Further, the inner protective layer 122 is a metal shielding layer or a plastic insulating layer.

Further, the flat outer cover 130 is a TPU layer. The TPU (Thermoplastic polyurethanes) thermoplastic polyurethane elastomer rubber HAs the advantages of wide hardness range (60 HA-85 HD), wear resistance, oil resistance, transparency and good elasticity. The flat coating 130 adopts halogen-free flame retardant TPU which has good wear resistance and meets UL94-V0 in flame retardance, so that the flame retardance of the wire rod can be ensured, the softness and wear resistance of the wire rod can be improved, and the service life of the wire rod is ensured.

Further, the flat outer cover 130 is provided with a rectangular portion 131 and two arc portions 132, the twisting assembly 120 and the two core wires a110 are disposed in the rectangular portion 131, and the two arc portions 132 extend at two ends of the rectangular portion 131 respectively. It should be noted that, the flat outer cover 130 adopts a racetrack type flat structure, and has a rectangular portion 131 and two arc portions 132, so that the inner core wire can be well covered and protected, and the wire can be easier to bend during the use process, and the use is easier and more convenient; the wear resistance of the wire rod can also be improved, and the service life of the wire rod can be prolonged.

Further, the flat wire 10 further includes a filler disposed between the core wire B121 and the inner sheath 122, the filler is disposed between the two core wires C123, the filler is disposed in a gap formed by the inner sheath 122, the core wire C123 and the core wire a110 together, the filler is disposed between the two core wires D124, the filler is disposed in a gap formed by the inner sheath 122, the core wire D124 and the core wire a110 together, and the filler is a bulletproof wire, a polyester fiber wire or a PE adhesive tape. The high-strength bulletproof yarn, polyester fiber yarn or PE adhesive tape is used as a filler, so that the compactness and the integrity of the wire structure can be improved, and the tensile strength and the bending strength of the wire can be improved.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A flat electric wire, characterized by comprising:

two core wires A;

2. The flat wire according to claim 1, wherein the core wire a includes a conductor a and an insulating layer a, the insulating layer a being coated on an outer surface of the conductor a; the core wire B comprises a conductor B and an insulating layer B, and the insulating layer B is coated on the outer surface of the conductor B; the core wire C comprises a conductor C and an insulating layer C, and the insulating layer C is coated on the outer surface of the conductor C; the core wire D comprises a conductor D and an insulating layer D, and the insulating layer D is coated on the outer surface of the conductor D.

3. The flat electric wire according to claim 2, wherein the conductor a has a diameter larger than that of the conductor C, the conductor C has a diameter larger than that of the conductor D, and the conductor D has a diameter larger than that of the conductor B.

4. The flat wire according to claim 2, wherein the conductor a, the conductor B, the conductor C, and the conductor D are copper wires.

5. The flat electric wire according to claim 2, wherein the insulating layer a is a silicone layer, and the insulating layer B, the insulating layer C, and the insulating layer D are FEP layers.

6. The flat electric wire according to claim 1, wherein the core wire a, the core wire B, the core wire C, and the core wire D are all circular.

7. The flat wire according to claim 1, wherein the inner sheath is a metal shield layer or a plastic insulating layer.

8. The flat wire of claim 1, wherein the flat outer coating is a TPU layer.

9. The flat electric wire according to any one of claims 1 to 8, wherein the flat outer cover is provided with a rectangular portion and two arc portions, the stranded assembly and the two core wires a are disposed in the rectangular portion, and the two arc portions extend at both ends of the rectangular portion, respectively.

10. The flat wire according to claim 1, further comprising a filler disposed between the core wire B and the inner sheath, the filler being disposed between the two core wires C, the filler being disposed in a gap formed by the inner sheath, the core wire C and the core wire a together, the filler being disposed between the two core wires D, the filler being disposed in a gap formed by the inner sheath, the core wire D and the core wire a together, the filler being a bulletproof wire, a polyester fiber wire or a PE tape.