CN206516375U - A kind of wire rod resistant to bending - Google Patents

Abstract

The utility model discloses a bending-resistant wire, which comprises a copper wire, the copper wire includes an ultra-high molecular weight polyethylene fiber wire and a copper foil layer wound on the surface of the ultra-high molecular weight polyethylene fiber wire, and the surface of the copper foil layer is A layer of copper wire is also wound. Ultra-high molecular weight polyethylene fiber thread has the advantage of being soft and soft. At the same time, it has good bulletproof effect and is better than aramid fiber. Its strength is about 40% higher than that of Kevlar material and 2 times higher than that of carbon fiber. It is the fiber with the highest strength at present, and it also has Good bending fatigue resistance, the specific impact load value of the ultra-high molecular weight polyethylene fiber wire can reach 10 times that of steel, more than twice that of glass fiber and aramid, and the copper wire filled with ultra-high molecular weight polyethylene fiber wire The degree of bending resistance has been greatly improved. The copper foil wire is wound and arranged outside the ultra-high molecular weight polyethylene fiber wire. It is not easy to break after being bent by external force, which greatly prolongs the service life of the wire.

Description

A bend-resistant wire

technical field

The utility model relates to a wire rod, in particular to a bending-resistant wire rod.

Background technique

With the rise of electronic equipment, the energy and signal transmission of electronic equipment, especially the demand for large-capacity data transmission between electronic equipment, is increasing. At present, both energy transmission and signal transmission often require wires to be realized. A wire refers to an item used to transmit electricity or information from one place to another. It is made of one or more mutually insulated conductive units wrapped with an insulating layer and a protective layer.

Existing conductive and signal transmission wires mainly include a conductive bundle composed of multiple conductors and an insulating layer covering the conductive bundle. The conductive bundle is mainly made of copper wire, aluminum wire and other metal wires. Since the conductive bundle of the current wire is composed of several tinned copper wires, it is not resistant to bending and has poor mechanical properties. After a period of use, the internal conductor is easily broken and the external protective layer is easily broken, resulting in failure to charge or transmit data. , and sometimes even need to replace more than three wires a month, the service life is short and the cost is high.

Utility model content

For this reason, the technical problem to be solved by the utility model is that the wires of the existing electronic equipment have poor mechanical properties, short service life, and the conductors are easy to break and the protective layer is easy to break. Long-life bend-resistant wire.

For solving the problems of the technologies described above, the technical solution of the utility model is:

The utility model provides a bending-resistant wire, which includes a copper wire, and the copper wire includes an ultra-high molecular weight polyethylene fiber wire and a copper foil layer wound on the surface of the ultra-high molecular weight polyethylene fiber wire. A copper wire layer is also wound on the surface of the foil wire layer.

Preferably, the copper wires include power wires, first signal wires, second signal wires and ground wires parallel to each other, and an insulating layer is sheathed outside the power wires, first signal wires, and second signal wires.

Preferably, an aluminum foil layer is further included, and the aluminum foil layer is wrapped around the ground wire and the outside of the insulating layer.

Preferably, an aramid fiber wire is further arranged between the aluminum foil layer and the insulating layer, and the aramid fiber wire is arranged parallel to the power wire, the first signal wire, the second signal wire and the ground wire.

Preferably, the aluminum foil layer is covered with a braided layer, and the braided layer is made of metal copper wire.

Preferably, the braided layer is covered with a protective layer.

Preferably, the copper foil wires are wound in a grid shape on the surface of the ultra-high molecular weight polyethylene fiber wires.

Preferably, the ultra-high molecular weight polyethylene fiber wire has a diameter of 0.1-0.8 mm; the aramid fiber wire is a para-aramid fiber wire, and its diameter is 0.1-0.8 mm.

Preferably, the insulating layer is made of PVC, PE, PP, rubber or silica gel; the protective layer is made of PVC or TPE.

Preferably, the thickness of the aluminum foil layer is 0.01-0.2 mm, and the thickness of the braided layer is 0.1-1 mm.

Compared with the prior art, the above-mentioned technical solution of the utility model has the following advantages:

(1) The bending-resistant wire rod described in the utility model includes a copper wire, and the copper wire includes an ultra-high molecular weight polyethylene fiber wire and a copper foil silk layer wound on the surface of the ultra-high molecular weight polyethylene fiber wire, A copper wire layer is also wound on the surface of the copper foil wire layer. Wrap one or more copper foil wires outside the ultra-high molecular weight polyethylene fiber wire, because the ultra-high molecular weight polyethylene fiber wire has the advantages of being soft and soft, and at the same time has good bulletproof effect, which is better than aramid fiber, and its strength is higher than that of Kevlar material It is about 40% higher than carbon fiber and 2 times higher than carbon fiber. It is the fiber with the highest strength at present, and it also has good bending fatigue resistance. The specific impact load value of the ultra-high molecular weight polyethylene fiber line can reach 10 times that of steel. Fiber and aramid fiber are more than twice that, and the bending resistance of the copper wire filled with ultra-high molecular weight polyethylene fiber wire is greatly improved. The copper foil wire is wound and arranged outside the ultra-high molecular weight polyethylene fiber wire. It is also not easy to break, which greatly prolongs the service life of the wire, and even if the outermost copper wire layer is completely disconnected under external force, the copper foil wire layer can still be energized and transmit signals normally, without affecting the normal use of the wire.

(2) In the bending-resistant wire described in the utility model, an aramid fiber line is also arranged between the aluminum foil layer and the insulating layer, and the aramid fiber line is connected to the power line, the first signal line, The second signal line and the ground line are arranged in parallel. The aramid fiber line is a Kevlar fiber line, which is filled between the power line, the first signal line, the second signal line and the ground line. The Kevlar fiber line has good flexibility, high strength, and high durability. Wear and tear resistance, further improve the bending resistance and mechanical strength of the wire, further prolong the service life of the wire, and reduce the cost of use.

Description of drawings

In order to make the content of the utility model easier to understand clearly, the utility model will be described in further detail below according to specific embodiments of the utility model in conjunction with the accompanying drawings, wherein

Fig. 1 is a schematic diagram of the structure of the bending-resistant wire described in the embodiment of the present invention;

Fig. 2 is a schematic structural view of the copper wire in the bending-resistant wire described in the embodiment of the present invention.

The reference signs in the figure are represented as: 1-copper wire; 11-UHMWPE fiber wire; 12-copper foil wire layer; 13-copper wire layer; 2-power wire; 3-first signal wire; 4- The second signal line; 5-ground wire; 6-insulation layer; 7-aluminum foil layer; 8-aramid fiber line; 9-braiding layer; 10-protection layer.

This invention may be embodied in many different forms, and should not be construed as limited to the embodiments set forth herein; Those skilled in the art, the utility model will be defined by the claims. In the drawings, the size and relative sizes of devices may be exaggerated for clarity. The terms "first", "second" and the like in the specification, claims and drawings of the present utility model are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used are interchangeable under appropriate circumstances. Furthermore, the terms "comprising", "having", and any variations thereof, are intended to cover a non-exclusive inclusion.

detailed description

Example 1

This embodiment provides a bending-resistant wire, which is used to transmit power or data signals in electronic equipment sinks. As shown in Figure 1-2, the bending-resistant wire includes a copper wire 1, and the copper wire 1 It includes an ultra-high molecular weight polyethylene fiber wire 11 and a copper foil layer 12 wound on the surface of the ultra-high molecular weight polyethylene fiber wire 11, and a copper wire layer 13 is also wound on the surface of the copper foil wire layer 12. The copper wire layer 13 plays the role of signal transmission, and the copper foil wire is one or more, which is wound on the surface of the ultra-high molecular weight polyethylene fiber wire 11 in a grid shape, and the ultra-high molecular weight polyethylene fiber wire is The diameter of 11 is 0.3 mm, and the copper wire is also one or more, which are wound and arranged on the surface of the copper foil wire layer 12 .

The bending resistance of the copper wire 1 filled with ultra-high molecular weight polyethylene fiber wire 11 is greatly improved, and the copper foil wire 12 is wound and arranged on the outside of the ultra-high molecular weight polyethylene fiber wire 11. When the outermost copper wire layer 13 is completely disconnected under external force, the copper foil wire layer 12 can also be energized and transmit signals normally, which greatly prolongs the service life of the wire.

Specifically, the copper wires can be divided into power wires 2, first signal wires 3, second signal wires 4 and ground wires 5, and the outer sleeves of the power wires 2, first signal wires 3, and second signal wires 4 An insulating layer 6 is provided. In order to distinguish easily, the insulating layer 6 outside the power line 2 is red, the insulating layer 6 outside the first signal line 3 is white, and the insulating layer 6 outside the second signal line 4 is green. The material of the insulating layer 6 can be any one of PVC, PE, PP, rubber or silica gel, as long as it plays the role of insulation.

The outside of the copper wire 1 is also coated with an aluminum foil layer 7, and the aluminum foil layer 7 is coated on the outside of the insulating layer 6 of the ground wire 6 and the power wire 2, the first signal wire 3, and the second signal wire 4. The thickness is 0.1mm, and an aramid fiber wire 8 is also arranged between the aluminum foil layer 7 and the insulation layer 6, and the aramid fiber wire 8 is filled in the power line 2 covered with the insulation layer 6, the first signal Between the wire 3 , the second signal wire 4 and the ground wire 5 , the diameter is 0.4 mm, which further improves the bending resistance and mechanical strength of the wire and prolongs the service life of the wire.

The aluminum foil layer 7 is covered with a braided layer 9. The braided layer 9 is formed by braiding and winding metal copper wires, which plays a role in shielding electromagnetic interference. The thickness of the braided layer 9 is 0.5 mm. 9 is covered with a protective layer 10, and the material of the protective layer 10 is PVC or TPE thermoplastic elastomer.

Example 2

This embodiment provides a bending-resistant wire, which is used to transmit power or data signals in electronic equipment sinks. As shown in Figure 1-2, the bending-resistant wire includes a copper wire 1, and the copper wire 1 It includes an ultra-high molecular weight polyethylene fiber wire 11 and a copper foil layer 12 wound on the surface of the ultra-high molecular weight polyethylene fiber wire 11, and a copper wire layer 13 is also wound on the surface of the copper foil wire layer 12. The copper wire layer 13 plays the role of signal transmission, and the copper foil wire is one or more, which is wound on the surface of the ultra-high molecular weight polyethylene fiber wire 11 in a grid shape, and the ultra-high molecular weight polyethylene fiber wire is The diameter of 11 is 0.1 mm, and the copper wire is also one or more, which are wound and arranged on the surface of the copper foil wire layer 12 .

The bending resistance of the copper wire 1 filled with ultra-high molecular weight polyethylene fiber wire 11 is greatly improved, and the copper foil wire 12 is wound and arranged on the outside of the ultra-high molecular weight polyethylene fiber wire 11. When the outermost copper wire layer 13 is completely disconnected under external force, the copper foil wire layer 12 can also be energized and transmit signals normally, which greatly prolongs the service life of the wire.

Specifically, the copper wires can be divided into power wires 2, first signal wires 3, second signal wires 4 and ground wires 5, and the outer sleeves of the power wires 2, first signal wires 3, and second signal wires 4 An insulating layer 6 is provided. In order to distinguish easily, the insulating layer 6 outside the power line 2 is red, the insulating layer 6 outside the first signal line 3 is white, and the insulating layer 6 outside the second signal line 4 is green. The material of the insulating layer 6 can be any one of PVC, PE, PP, rubber or silica gel, as long as it plays the role of insulation.

The outside of the copper wire 1 is also coated with an aluminum foil layer 7, and the aluminum foil layer 7 is coated on the outside of the insulating layer 6 of the ground wire 6 and the power wire 2, the first signal wire 3, and the second signal wire 4. The thickness is 0.01mm, and an aramid fiber wire 8 is also arranged between the aluminum foil layer 7 and the insulation layer 6, and the aramid fiber wire 8 is filled in the power line 2 covered with the insulation layer 6, the first signal Between the wire 3 , the second signal wire 4 and the ground wire 5 , the diameter is 0.1 mm, which further improves the bending resistance and mechanical strength of the wire and prolongs the service life of the wire.

The aluminum foil layer 7 is covered with a braided layer 9. The braided layer 9 is formed by braiding and winding metal copper wires, which plays a role in shielding electromagnetic interference. The thickness of the braided layer 9 is 0.1 mm. 9 is covered with a protective layer 10, and the material of the protective layer 10 is PVC or TPE thermoplastic elastomer.

Example 3

This embodiment provides a bending-resistant wire, which is used to transmit power or data signals in electronic equipment sinks. As shown in Figure 1-2, the bending-resistant wire includes a copper wire 1, and the copper wire 1 It includes an ultra-high molecular weight polyethylene fiber wire 11 and a copper foil layer 12 wound on the surface of the ultra-high molecular weight polyethylene fiber wire 11, and a copper wire layer 13 is also wound on the surface of the copper foil wire layer 12. The copper wire layer 13 plays the role of signal transmission, and the copper foil wire is one or more, which is wound on the surface of the ultra-high molecular weight polyethylene fiber wire 11 in a grid shape, and the ultra-high molecular weight polyethylene fiber wire is The diameter of 11 is 0.8 mm, and the copper wire is also one or more, which are wound and arranged on the surface of the copper foil wire layer 12 .

The bending resistance of the copper wire 1 filled with ultra-high molecular weight polyethylene fiber wire 11 is greatly improved, and the copper foil wire 12 is wound and arranged on the outside of the ultra-high molecular weight polyethylene fiber wire 11. When the outermost copper wire layer 13 is completely disconnected under external force, the copper foil wire layer 12 can also be energized and transmit signals normally, which greatly prolongs the service life of the wire.

Specifically, the copper wires can be divided into power wires 2, first signal wires 3, second signal wires 4 and ground wires 5, and the outer sleeves of the power wires 2, first signal wires 3, and second signal wires 4 An insulating layer 6 is provided. In order to distinguish easily, the insulating layer 6 outside the power line 2 is red, the insulating layer 6 outside the first signal line 3 is white, and the insulating layer 6 outside the second signal line 4 is green. The material of the insulating layer 6 can be any one of PVC, PE, PP, rubber or silica gel, as long as it plays the role of insulation.

The outside of the copper wire 1 is also coated with an aluminum foil layer 7, and the aluminum foil layer 7 is coated on the outside of the insulating layer 6 of the ground wire 6 and the power wire 2, the first signal wire 3, and the second signal wire 4. The thickness is 0.2 mm, and an aramid fiber wire 8 is arranged between the aluminum foil layer 7 and the insulation layer 6, and the aramid fiber wire 8 is filled in the power line 2 and the first signal wire covered with the insulation layer 6. Between the wire 3 , the second signal wire 4 and the ground wire 5 , the diameter is 0.8 mm, which further improves the bending resistance and mechanical strength of the wire and prolongs the service life of the wire.

The aluminum foil layer 7 is covered with a braided layer 9, the braided layer 9 is formed by braiding and winding metal copper wires, which plays the role of shielding electromagnetic interference, the thickness of the braided layer 9 is 1mm, and the braided layer 9 The outside is covered with a protective layer 10, and the material of the protective layer 10 is PVC or TPE thermoplastic elastomer.

Experimental example

The bendable times and tolerable tensile force of the bend-resistant wires described in Examples 1-3 were respectively tested, and the results showed that the bendable times of the bend-resistant wires described in the three embodiments can reach more than 30,000 times , which is 15 times higher than traditional wire rods; the withstand tension is more than 120Kg, which is 24 times higher than traditional wire rods.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, on the basis of the above description, other changes or changes in different forms can also be made. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the scope of protection of the utility model.

Claims (10)

1. a kind of wire rod resistant to bending, it is characterised in that including copper cash, the copper cash include superhigh molecular weight polyethylene fibers line and Winding is arranged at the copper foil wire layer on the superhigh molecular weight polyethylene fibers line surface, and the copper foil wire layer surface also winds setting There is copper wire layer.

2. wire rod resistant to bending according to claim 1, it is characterised in that power line that the copper cash includes being parallel to each other, First signal wire, secondary signal line and ground wire, the power line, the first signal wire, secondary signal line outer cover are provided with insulating barrier.

3. wire rod resistant to bending according to claim 2, it is characterised in that also including aluminium foil layer, the aluminium foil layer is coated on Outside the ground wire and the insulating barrier.

4. wire rod resistant to bending according to claim 3, it is characterised in that also set between the aluminium foil layer and the insulating barrier It is equipped with aramid fiber line, the aramid fiber line and the power line, the first signal wire, secondary signal line and ground wire is parallel sets Put.

5. wire rod resistant to bending according to claim 4, it is characterised in that braiding layer, institute are coated with outside the aluminium foil layer The material for stating braiding layer is copper lines.

6. wire rod resistant to bending according to claim 5, it is characterised in that cladding matcoveredn outside the braiding layer.

7. wire rod resistant to bending according to claim 6, it is characterised in that the copper foil wire is in the superhigh molecular weight polyethylene Alkene single surface is in latticed winding.

8. wire rod resistant to bending according to claim 7, it is characterised in that the superhigh molecular weight polyethylene fibers line it is straight Footpath is 0.1-0.8mm；The aramid fiber line is contraposition aramid fiber line, its a diameter of 0.1-0.8mm.

9. wire rod resistant to bending according to claim 8, it is characterised in that the insulating barrier material is PVC, PE, PP, rubber Or silica gel；The protective layer material is PVC or TPE.

10. wire rod resistant to bending according to claim 9, it is characterised in that the thickness of the aluminium foil layer is 0.01-0.2mm, The braiding layer thickness is 0.1-1mm.