CN217719054U

CN217719054U - Bending-resistant electric wire

Info

Publication number: CN217719054U
Application number: CN202221058941.7U
Authority: CN
Inventors: 刘鹏辉; 刘爱次
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-11-01
Anticipated expiration: 2032-05-05

Abstract

The utility model belongs to the technical field of the electric wire is relevant, it is limited to the protection degree of conductive core to have solved current wire structure, still arouses conductive core to break off easily, and resistant degree of curvature is lower technical problem provides a resistant electric wire of buckling, including conducting layer and insulating inoxidizing coating, its characterized in that still includes connecting wire and shielding layer, the conducting layer includes at least one conductive core, conductive core spiral winding is in the surface of connecting wire, per strand conductive core strands into by many wire conductors, the shielding layer parcel is in the surface of conducting layer, insulating inoxidizing coating parcel is in the surface of shielding layer.

Description

Bending-resistant electric wire

Technical Field

The utility model relates to a relevant technical field of electric wire especially relates to a resistant electric wire of buckling.

Background

The electric wire refers to an electric wire that transmits electric power. The bare wires, the electromagnetic wires and the insulated wires. The bare wire has no insulating layer and comprises copper, aluminum flat wire, overhead stranded wire and various profiles. It is mainly used for outdoor overhead and indoor bus bars and switch boxes. An electromagnetic wire is an insulated wire that generates a magnetic field or induces a current in a magnetic field when energized. It is mainly used for winding of motor and transformer and other relevant electromagnetic equipment. The conductor is mainly a copper wire, and has a thin insulating layer, good electrical and mechanical properties, heat resistance, moisture resistance, hot melt agent and the like. Different thermal properties can be achieved by selecting different insulating materials. The traditional electric wire generally comprises a conductive wire core and an insulating layer wrapped on the outer surface of the conductive wire core, the bending resistance of the electric wire is low, after the electric wire is repeatedly bent, the inner conductive wire core or the outer insulating layer are easy to break, in the prior art, the number of layers of the insulating layer wrapped on the outer surface of the conductive wire core is increased, the insulating layer is made of materials or wrapped in a multi-layer or thread-type manner, for example, the insulating layer is multi-layer or thread-type wrapped, and the structure can still easily cause the conductive wire core to break after the electric wire is bent for multiple times, so that the protection degree of the conductive wire core is limited.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a resistant electric wire of buckling for it is limited to solve current electric wire structure to the degree of protection of conductive core, still arouses conductive core breaking occur easily, the lower technical problem of resistant camber.

An embodiment of the utility model provides a resistant electric wire of buckling, including conducting layer and insulating inoxidizing coating, still include connecting wire and shielding layer, the conducting layer includes at least one conductive core, conductive core spiral winding is in the surface of connecting wire, per share conductive core strands into one by many wire conductors, the shielding layer parcel is in the surface of conducting layer, insulating inoxidizing coating parcel is in the surface of shielding layer.

In the technical scheme, the conducting layer is composed of at least one strand of conducting wire core, the conducting layer is coated on the outer surface of the connecting wire, specifically, the conducting wire cores are spirally wound on the connecting wire, so that the conducting wire core on each vertical section is in a circle shape, when the electric wire is bent, namely the electric wire is bent up and down on the vertical section, the stretching degree of the conducting wire core is lowest, and the bending resistance of the conducting layer composed of the conducting wire cores arranged in the insulating protective layer is effectively improved; the conductive wire cores are spirally wound on the connecting wire, so that a plurality of adjacent conductive coils are formed on the outer surface of the connecting wire, and when the conductive coils are used for transmitting high-frequency voltage, electromagnetic waves can be generated to cause the electric wire to generate high temperature, so that the shielding layer is coated on the outer surface of the conductive layer, the electromagnetic waves can be effectively shielded, the normal temperature in the electric wire can be maintained, and the normal operation of the electric wire can be kept; and the outmost insulating protection layer that sets up of electric wire can effectively avoid external unexpected electric shock on the one hand, also can provide the protection for inside conductive core, improves the resistant degree of buckling of electric wire in step.

Furthermore, the shielding layer is made of copper, silver-plated copper, ferrite, steel or stainless steel.

Further, the shielding layer is a material coating coated on the outer surface of the conductive layer.

Further, the material coating comprises graphite powder, iron powder, silver powder and copper powder.

Furthermore, the bending-resistant electric wire further comprises an extension layer, the extension layer wraps the outer surface of the conducting layer, and the shielding layer wraps the outer surface of the extension layer.

Among the above-mentioned technical scheme, at the outer extension layer that coats of conducting layer, when effectively improving the bending degree and the flexibility of conducting wire core, at the outer parcel shielding layer on extension layer, guarantee the demagnetization protection, the production of surface high temperature.

Furthermore, the connecting line and the extension layer are both made of non-conductive flexible line materials.

Furthermore, the connecting lines and the extension layer are made of cotton threads, nylon yarns, hemp threads, polyester yarns or glass fibers.

Furthermore, the insulating protective layer is made of rubber, silica gel, latex, soft plastic, polyvinyl chloride or cross-linked polyethylene.

Further, the thickness of the insulating protective layer is at least 0.25 mm.

To sum up, the utility model provides a resistant electric wire of buckling because the connecting wire compliance is higher, and the conducting layer of connecting wire surface cladding, the conductive core heliciform winding is on the connecting wire promptly for conductive core extensibility, resistant degree of buckling maximize have effectively improved the holistic resistant degree of buckling of electric wire, and structure and manufacturing process are simple, are convenient for on a large scale put into production and use.

Drawings

Fig. 1 is a schematic perspective view of a bending-resistant electric wire according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a bending-resistant electric wire according to another embodiment of the present invention;

fig. 3 is a schematic perspective view of a bending-resistant electric wire according to the embodiment of fig. 1 of the present invention.

In the figure: 101. a conductive layer; 102. an insulating protective layer; 103. a connecting wire; 104. a shielding layer; 105. and (3) extending the layer.

Detailed Description

The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are not intended to limit the invention, but are merely exemplary, and the advantages of the invention will be more clearly understood and easily understood by the description.

The present invention will be further described with reference to fig. 1 to 3.

Example 1:

referring to fig. 1, in a first aspect of the present embodiment, a bending-resistant electric wire is provided, and includes a conductive layer 101 and an insulating protective layer 102, and further includes a connection line 103 and a shielding layer 104, where the conductive layer 101 includes at least one strand of conductive wire core, the conductive wire core is spirally wound on an outer surface of the connection line 103, each strand of the conductive wire core is twisted into one strand by a plurality of electric wire conductors, the shielding layer 104 wraps an outer surface of the conductive layer 101, and the insulating protective layer 102 wraps an outer surface of the shielding layer 104.

Specifically, the conductive layer 101 is composed of at least one strand of conductive wire core, the conductive layer 101 is coated on the outer surface of the connecting wire 103, specifically, the conductive wire core is spirally wound on the connecting wire 103, so that the conductive wire core on each vertical section is in a circular shape, when the electric wire is bent, that is, when the electric wire is bent up and down on the vertical section, the stretching degree of the conductive wire core is lowest, and the bending resistance of the conductive layer 101 composed of the conductive wire cores arranged inside the insulating protective layer 102 is effectively improved; the conductive wire cores are spirally wound on the connecting wire 103, so that a plurality of adjacent conductive coils are formed on the outer surface of the connecting wire 103, and when the conductive coils transmit high-frequency voltage, electromagnetic waves can be generated to cause the electric wire to generate high temperature, so that the shielding layer 104 is coated on the outer surface of the conductive layer 101, the electromagnetic waves can be effectively shielded, the normal temperature inside the electric wire can be maintained, and the normal operation of the electric wire can be kept; and the outmost layer of electric wire sets up insulating protection layer 102, can effectively avoid external unexpected electric shock on the one hand, also can provide the protection for inside conductive core, improves the resistant degree of buckling of electric wire in step.

Example 2:

referring to fig. 2, a second aspect of the present embodiment provides a bending-resistant electric wire, which includes a conductive layer 101 and an insulating protective layer 102, and further includes a connecting line 103 and an extending layer 105, where the conductive layer 101 includes at least one strand of conductive wire core, the conductive wire core is spirally wound on an outer surface of the connecting line 103, each strand of the conductive wire core is twisted into one strand by a plurality of electric wire conductors, the extending layer 105 wraps an outer surface of the conductive layer 101, the insulating protective layer 102 wraps an outer surface of the extending layer 105, and the extending layer 105 is made of a non-conductive flexible wire material, where the connecting line and the extending layer are made of cotton, nylon, hemp, polyester yarn, or glass fiber.

Specifically, the conductive layer 101 is composed of at least one strand of conductive wire core, the conductive layer 101 is coated on the outer surface of the connecting wire 103, specifically, the conductive wire core is spirally wound on the connecting wire 103, so that the conductive wire core on each vertical section is in a circular shape, when the electric wire is bent, that is, when the electric wire is bent up and down on the vertical section, the stretching degree of the conductive wire core is lowest, and the bending resistance of the conductive layer 101 composed of the conductive wire cores arranged inside the insulating protective layer 102 is effectively improved; the insulating protective layer 102 is further coated after the extension layer 105 is coated on the periphery of the conductive wire layer, the extension layer 105 is made of a non-conductive flexible wire material, the flexible wire material can be a cotton wire, namely the cotton wire is spirally wound on the periphery of the conductive layer 101, the flexible wire material can also be a nylon wire material, namely a cloth supported by the nylon wire is coated on the periphery of the conductive wire layer, the flexible wire material can also be a hemp wire material, namely the hemp wire is wound on the periphery of the conductive layer 101, the flexible material can also be a polyester wire material, namely the cloth composed of the polyester wire is coated on the periphery of the conductive layer 101, the flexible material can also be a glass fiber material, namely a line composed of glass fibers is wound on the periphery of the conductive layer 101, the flexible wire material composed of the above materials tightly coats the conductive layer 101 on one hand to ensure the overall smoothness and the columnar shape of the outer body of the electric wire, on the other hand, the flexibility of the electric wire can be enhanced, namely the bending resistance of the electric wire is enhanced, and the loss is reduced; and the outmost layer of electric wire sets up insulating protection layer 102, can effectively avoid external unexpected electric shock on the one hand, also can provide the protection for inside conductive core, improves the resistant degree of buckling of electric wire in step.

Example 3:

referring to fig. 3, a third aspect of the present embodiment provides a bending-resistant electric wire, which includes a conductive layer 101 and an insulating protection layer 102, and further includes a connection line 103, a shielding layer 104, and an extension layer 105, where the conductive layer 101 includes at least one conductive core, the conductive core is spirally wound on an outer surface of the connection line 103, each conductive core is twisted into one strand by a plurality of electric wire conductors, the extension layer 105 wraps an outer surface of the conductive layer 101, the shielding layer 104 wraps an outer surface of the conductive layer 101, the insulating protection layer 102 wraps an outer surface of the shielding layer 104, and the connection line 103 and the extension layer 105 are both made of non-conductive flexible wire materials, where the connection line and the extension layer are made of cotton, nylon, hemp, polyester, or glass fiber, and the shielding layer 104 is made of copper, silver-plated copper, ferrite, steel, or stainless steel.

Specifically, the conductive layer 101 is composed of at least one strand of conductive wire core, the conductive layer 101 covers the outer surface of the connection line 103, specifically, the conductive wire core is spirally wound on the connection line 103, so that the conductive wire core on each vertical section is in a circle shape, when the electric wire is bent, that is, when the electric wire is bent up and down on the vertical section, the stretching degree of the conductive wire core is lowest, and the bending resistance of the conductive layer 101 composed of the conductive wire cores arranged inside the insulation protection layer 102 is effectively improved; the extension layer 105 is made of non-conductive flexible line materials, the flexible line materials can be cotton threads, namely, the cotton threads are spirally wound on the periphery of the conductive layer 101, the flexible line materials can also be nylon threads, namely, cloth supported by the nylon threads is wrapped on the periphery of the conductive layer, the flexible line materials can also be linen threads, namely, the linen threads are wound on the periphery of the conductive layer 101, the flexible material can also be polyester threads, namely, the cloth composed of the polyester threads is wrapped on the periphery of the conductive layer 101, the flexible material can also be glass fiber materials, namely, lines composed of the glass fibers are wrapped on the periphery of the conductive layer 101, the flexible line materials composed of all the materials tightly wrap the conductive layer 101 on one hand, the overall smoothness and the outer body columnar shape of the electric wire are guaranteed, on the other hand, the flexibility of the electric wire can be enhanced, namely, the bending resistance of the electric wire is enhanced, and the loss is reduced; because the conductive wire cores are spirally wound on the connecting wire 103, a plurality of adjacent conductive coils are formed on the outer surface of the connecting wire 103, and the extension layer 105 has weaker electromagnetic shielding capability, electromagnetic waves can be generated when the conductive coils transmit higher-frequency voltage to cause the electric wire to generate high temperature, so that the shielding layer 104 is coated on the outer surface of the extension layer 105, the electromagnetic waves can be effectively shielded, the normal temperature in the electric wire can be maintained, and the normal operation of the electric wire can be kept; and the outmost layer of electric wire sets up insulating protection layer 102, can effectively avoid external unexpected electric shock on the one hand, also can provide the protection for inside conductive core, improves the resistant degree of buckling of electric wire in step.

In the above embodiments, the shielding layer 104 may be made of copper, or made of silver-plated copper, or made of ferrite, or made of steel or stainless steel. Specifically, in the using process, the film can be prepared by laminating the common paper and the ultrafine conductive fiber containing the carbon fiber or the metallized fiber, and the film is wrapped on the outer surface of the conductive layer 101, so that the electromagnetic shielding effect is achieved.

Example 4:

referring to fig. 1, a fourth aspect of the present embodiment provides a bending-resistant electric wire, which includes a conductive layer 101 and an insulating protection layer 102, and further includes a connecting wire 103 and a shielding layer 104, where the conductive layer 101 includes at least one strand of conductive wire core, the conductive wire core is spirally wound on an outer surface of the connecting wire 103, each strand of the conductive wire core is twisted into one strand by multiple wire conductors, the shielding layer 104 is a material coating coated on an outer surface of the conductive layer 101, the insulating protection layer 102 is coated on an outer surface of the shielding layer 104, the connecting wire 103 is made of a non-conductive flexible wire material, where the connecting wire and the extension layer are made of cotton, nylon, hemp, polyester, or glass fiber, and the shielding layer 104 is made of copper, silver-plated copper, ferrite, steel, or stainless steel.

Specifically, the conductive layer 101 is composed of at least one strand of conductive wire core, the conductive layer 101 covers the outer surface of the connection line 103, specifically, the conductive wire core is spirally wound on the connection line 103, so that the conductive wire core on each vertical section is in a circle shape, when the electric wire is bent, that is, when the electric wire is bent up and down on the vertical section, the stretching degree of the conductive wire core is lowest, and the bending resistance of the conductive layer 101 composed of the conductive wire cores arranged inside the insulation protection layer 102 is effectively improved; the conductive wire cores are spirally wound on the connecting wire 103, so that a plurality of adjacent conductive coils are formed on the outer surface of the connecting wire 103, and when the conductive coils transmit high-frequency voltage, electromagnetic waves can be generated to cause the electric wire to generate high temperature, so that the shielding layer 104 is coated on the outer surface of the conductive layer 101, the electromagnetic waves can be effectively shielded, the normal temperature inside the electric wire can be maintained, and the normal operation of the electric wire can be kept; and the outmost layer of electric wire sets up insulating protection layer 102, can effectively avoid external unexpected electric shock on the one hand, also can provide the protection for inside conductive core, improves the resistant degree of buckling of electric wire in step.

The shielding layer 104 in the above embodiment 4 can be formed by uniformly mixing different metal powders such as graphite powder, iron powder, silver powder, and copper powder, and coating the mixture on the outer surface of the conductive layer 101, and because the coating layers of different metals show a certain difference in structure, the difference and uniformity should be controlled as much as possible in the coating layers, and the pores of the coating layers are reduced to ensure a higher shielding effect, but because the bonding force between the metal and the fiber is small, the coating layer is not easy to process, and can be produced as the shielding layer 104 of a secondary structure.

In the manufacturing and using processes of the electric wire, the electric wire is subjected to mechanical forces of stretching, shearing, pressing, bending, twisting and the like, and is used as an outer protective layer of the electric wire, and the outer protective layer of the electric wire also meets the insulation effect, the insulating protective layer 102 in the embodiments is made of rubber, silica gel, latex, soft plastic, polyvinyl chloride or cross-linked polyethylene, the rubber insulating material is natural rubber, and the rubber insulating material has good bending performance and is suitable for severe cold climate; the silica gel insulating material is methyl vinyl silicone rubber, has a wide working temperature range, is suitable for two sixty degrees to 180 degrees, has good bending property and low-temperature property, and has poor tear resistance and tensile strength; the flexible plastic has excellent electrical insulation performance, is suitable for high-frequency signal transmission, resists high temperature, can improve the current-carrying capacity, has good flame retardant property, but is expensive, and influences the manufacturing cost of electric wires; the polyvinyl chloride insulating material is low in price, simple in extrusion and consolidation, and good in oil resistance and corrosion resistance, when the insulating protective layer 102 is made of polyvinyl chloride, the thickness of the insulating protective layer 102 is at least 0.25 mm, and the requirements of the manufacturing process are met; the crosslinked polyethylene insulating material has excellent electrical insulating property, becomes a thermosetting material after macromolecular crosslinking, has good mechanical property and heat resistance, and is suitable for batch production as the insulating protective layer 102.

The utility model provides a resistant electric wire that buckles, because the connecting wire compliance is higher, and connecting wire surface cladded conducting layer, the conductive core heliciform winding is on the connecting wire promptly, make the conductive core on every vertical cross section be the circle form, when buckling the electric wire, when buckling about being about to this electric wire on this cross section, it is minimum to the tensile degree of conductive core, make conductive core extensibility, resistant degree of buckling maximize, the holistic resistant degree of buckling of electric wire has effectively been improved, and structure and manufacturing process are simple, be convenient for put into production on a large scale, production and use.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a resistant electric wire of buckling, includes conducting layer and insulation protection layer, its characterized in that still includes connecting wire and shielding layer, the conducting layer includes at least one strand of conductive core, conductive core spiral winding is in the surface of connecting wire, every strand conductive core strands into one by many wire conductor, the shielding layer parcel is in the surface of conducting layer, insulation protection layer parcel is in the surface of shielding layer.

2. The kink-resistant wire of claim 1 wherein the material of said shield layer is copper, silver-plated copper, ferrite, steel, or stainless steel.

3. The kink-resistant wire of claim 1 wherein the shield layer is a coating of material applied to the outer surface of the conductive layer.

4. The kink-resistant wire of claim 1 further comprising a spreader layer that wraps around the outer surface of the conductive layer.

5. The kink-resistant wire of claim 4 wherein the shield layer is wrapped around the outer surface of the ductile layer.

6. The kink-resistant wire of claim 4 wherein both the connecting wire and the spreader layer are made of non-conductive flexible wire material.

7. The kink-resistant wire of claim 5 wherein the material of the connecting wire and the spreading layer is cotton, nylon, hemp, polyester, or fiberglass.

8. The bending-resistant electric wire according to claim 1, wherein the insulating protective layer is made of rubber, silicone, latex, soft plastic, polyvinyl chloride or cross-linked polyethylene.

9. Bend resistant electrical wire according to claim 1, wherein the thickness of the insulating protective layer is at least 0.25 mm.