CN205542039U - Notebook power charging wire - Google Patents

Abstract

The utility model relates to a notebook power supply charging line, which comprises a sheath layer, a wrapping layer and a shielding layer from outside to inside in sequence, the wrapping layer is wrapped on the outside of the shielding layer, the sheath layer is wrapped on the outside of the wrapping layer, and the wrapping layer is wound Between the shielding layer and the shielding layer, four sets of kevlar fiber layers are evenly distributed on the outer circumference of the shielding layer; two sets of data cores, two sets of power cores and one set of signal control cores are arranged inside the shielding layer, and two sets of The data cores and two sets of power cores are arranged alternately, and a set of ground wires is set between each set of data cores and each set of power cores; the signal control cores are located around the two sets of data cores and the two sets of power cores. The position of the center area; the winding layer is a double-layer structure made of alloy bare copper wires. The utility model improves the bending and twisting times of the product, increases the service life of the product, has good insulation effect, stable transmission signal, strong anti-interference ability and small volume.

Description

A laptop power charging cable

Technical field:

The utility model relates to the field of wire materials, in particular to a notebook power charging line.

Background technique:

Existing notebook DC power supply charging cables are generally wound together and placed in the computer bag after charging. Notebooks are often used, so the charging cables are often wound and stretched. With the development of electronic equipment, due to the large capacity between electronic equipment The demand for data transmission is increasing day by day, but the existing charging cable has poor bending resistance, and may break after repeated bending, and has poor tensile resistance, low core strength, heavy weight, thick wire diameter, and poor insulation effect. Not good, the transmission rate is not good, the transmission signal of the data line is unstable, and the transmission current of the power core wire in the cable is small, etc., which cannot meet the current market demand. Therefore it is necessary to develop a notebook power charging line with high bending resistance and high mechanical strength.

Utility model content:

The purpose of this utility model is to provide a notebook power supply charging line for the deficiencies of the prior art, which can increase the bending and twisting times of the product, increase the service life of the product, improve the mechanical strength of the sheath layer, and reduce the damage of the sheath probability.

The technical solutions of the present utility model are as follows:

A notebook power supply charging line, which sequentially includes a sheath layer, a winding layer and a shielding layer from the outside to the inside, the winding layer is wrapped on the outside of the shielding layer, the sheath layer is wrapped on the outside of the winding layer, the winding layer and the Four groups of kevlar fiber layers are evenly distributed between the shielding layers and located on the outer circumference of the shielding layer; the shielding layer is equipped with two sets of data cores, two sets of power cores and one set of signal control cores, and two sets of The data cores and two sets of power cores are arranged alternately, and a set of ground wires is arranged between each set of data cores and each set of power cores; the signal control cores are located between the two sets of data cores and the two sets of power lines. The position of the central area surrounded by the core; the winding layer is a double-layer structure formed by winding alloy bare copper wires.

Preferably, the thickness of the sheath layer is greater than that of the winding layer, and the thickness of the winding layer is greater than that of the shielding layer.

Preferably, the ground wire is twisted from 7 oxygen-free copper wires coated with tin on the surface.

Preferably, the data core includes a data conductor layer and a data insulation layer, the data insulation layer is coated on the outside of the data conductor layer, and the data conductor layer is formed by twisting 37 tinned oxygen-free copper wires. become.

Preferably, the power wire core includes a power conductor layer and a power insulation layer, the power insulation layer is coated on the outside of the power conductor layer, and the power conductor layer is twisted by 19 tinned oxygen-free copper wires .

Preferably, the signal control wire core includes a current conductor layer and a current insulation layer, the current insulation layer is coated on the outside of the current conductor layer, and the current conductor layer is formed by twisting 7 tin-plated oxygen-free copper wires. become.

The beneficial effects of the utility model are:

The winding layer of the utility model is a double-layer structure wound by alloy bare copper wire, which doubles the bending and twisting times of the product and increases the service life of the product; the material of the sheath layer of the utility model is modified polyethylene MPPE, which improves Improve the mechanical strength of the sheath, reduce the chance of damage to the sheath, and increase the service life of the product. The utility model has good insulation effect, stable transmission signal, strong anti-interference ability and small volume.

Description of drawings:

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is the structural representation of the utility model.

detailed description:

Embodiment, see accompanying drawing 1, a kind of notebook power supply charging line, it comprises sheath layer 1, wrapping layer 2 and shielding layer 3 successively from outside to inside, and said wrapping layer is wrapped on the outside of shielding layer, and sheath layer wraps Covered on the outside of the winding layer, four sets of kevlar fiber layers 4 are evenly distributed and filled in the circumferential direction outside the shielding layer between the winding layer and the shielding layer; two sets of data cores 5 and two sets of power supply are arranged inside the shielding layer Wire core 6 and a group of signal control wire cores 7, and two sets of data wire cores and two groups of power wire cores are alternately arranged, and a group of ground wires 8 is respectively arranged between each group of data wire cores and each group of power wire cores; The signal control wire core is located in the central area surrounded by two sets of data wire cores and two power supply wire cores; the winding layer is a double-layer structure formed by winding alloy bare copper wires.

The thickness of the sheath layer is greater than that of the winding layer, and the thickness of the winding layer is greater than that of the shielding layer.

The ground wire is formed by twisting 7 tinned oxygen-free copper wires.

The data core includes a data conductor layer 501 and a data insulation layer 502, the data insulation layer is coated on the outside of the data conductor layer, and the data conductor layer is formed by twisting 37 tin-plated oxygen-free copper wires .

The power wire core includes a power conductor layer 601 and a power insulation layer 602. The power insulation layer is coated on the outside of the power conductor layer. The power conductor layer is formed by twisting 19 tin-plated oxygen-free copper wires.

The signal control core includes a current conductor layer 701 and a current insulation layer 702, the current insulation layer is coated on the outside of the current conductor layer, and the current conductor layer is formed by twisting 7 oxygen-free copper wires coated with tin on the surface .

The above-mentioned embodiment is a specific description of the utility model, only to further illustrate the utility model, and can not be understood as limiting the protection scope of the utility model. Those skilled in the art make some non-essential improvements and adjustments according to the content of the utility model All fall within the protection scope of the present utility model.

Claims (6)

1. a laptop charging wire, it includes restrictive coating, winding the most successively Layer and screen layer, described winding layer is coated on outside screen layer, and restrictive coating is coated on outside winding layer Portion, it is characterised in that: between described winding layer and screen layer and be positioned in screen layer external circumferential Uniform it is filled with four groups of kevlar fibrous layers；Be provided with inside described screen layer two groups of data cores, Two groups of power supply cores and one group of signal control line core, and two groups of data cores and two groups of power supply cores Be alternately arranged, and often group data core and often group power supply core between be respectively equipped with one group of ground wire； The center that described signal control line core is positioned at two groups of data cores and two groups of power supply cores surround Position, territory；Described winding layer is the double-decker being entwined by alloy bare copper wire.

A kind of laptop charging wire the most according to claim 1, it is characterised in that: The thickness of described restrictive coating is more than the thickness of winding layer, and the thickness of winding layer is more than the thickness of screen layer Degree.

A kind of laptop charging wire the most according to claim 1, it is characterised in that: Described ground wire is that the copper free wire by 7 electroplating surfaces with tin is stranded to be formed.

A kind of laptop charging wire the most according to claim 1, it is characterised in that: Described data core includes that data conductor layer and data insulating barrier, described data insulating barrier are coated on Outside data conductor layer, described data conductor layer is by the oxygen-free copper skein silk of 37 electroplating surfaces with tin Conjunction forms.

A kind of laptop charging wire the most according to claim 1, it is characterised in that: Described power supply core includes that power conductor layer and mains isolation layer, described mains isolation layer are coated on The outside of power conductor layer, power conductor layer is that the copper free wire by 19 electroplating surfaces with tin is stranded Form.

A kind of laptop charging wire the most according to claim 1, it is characterised in that: Described signal control line core includes Ampereconductors layer and electrical insulation layer, described electrical insulation layer bag Overlaying on the outside of Ampereconductors layer, Ampereconductors layer is by the oxygen-free copper skein silk of 7 electroplating surfaces with tin Conjunction forms.