CN201130546Y

CN201130546Y - Improved structure of DC supply line

Info

Publication number: CN201130546Y
Application number: CNU2007203065145U
Authority: CN
Inventors: 陈鸿华
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-17
Filing date: 2007-12-17
Publication date: 2008-10-08
Anticipated expiration: 2017-12-17

Abstract

The utility model relates to an improved structure of direct current power supply wire, which is characterized in that: a plurality of core wires are coated by braided copper mesh and then are coated by insulator; each core wire is the anode (D+) of each corresponding independent direct current power supply; the braided copper mesh is the shared cathode (D-) of the direct current power supplies. The direct current power supply wire has the advantages that: compared with the independent direct current power supply cathodes (D-) of prior direct current power supply wires, the outer diameter (OD) of the direct current power supply wire can be notably reduced; the direct current power supply wire has the advantages of good conduction effect and shielding effect.

Description

A kind of improvement structure of direct current supply line

Technical field

The utility model relates to a kind of improvement structure of direct current supply line.

Background technology

In the prior art, seeing also Fig. 1 and Fig. 2, is respectively organigram and profile construction schematic diagram thereof for existing direct current supply line.As shown in the figure: this existing direct current supply line 10 uses mostly on 3C electronics, electric equipment products, in order to as connection on the direct current power supply and transmission.Being somebody's turn to do the structure that has direct current supply line 10 now, mainly is outer for after 12 coatings of braiding copper mesh to (a pair of two) heart yearn 11 for plural number, is constituted with insulator 13 covers again.

Aforesaid insulator 13 its materials can be PVC, PU, TPU or rubber; And braiding copper mesh 12 disturbs in order to isolate extraneous electrical noise, and as the earth terminal of electric loop; As for, aforesaid heart yearn 11 in order to as the transmission of direct current power supply be connected use.Plural number is to (four pairs totally eight) heart yearn 11 in the diagram, and each represents the anodal D+ and the negative pole D-of DC power supply to heart yearn 11.Should following shortcoming be arranged existing direct current supply line 10:

Heart yearn 11 logarithms that should have direct current supply line 10 now are many more, and the wire rod external diameter OD of this direct current supply line is thick more with making.Two each negative pole D-independences to heart yearn 11, and be not connected with the earth terminal of electric loop, be subject to outside noise, surging influence, and the shortcoming of shield effectiveness difference is arranged.

Summary of the invention

In order to overcome deficiency of the prior art, the purpose of this utility model provides by the original structure of direct current supply line, makes plural number in the direct current supply line to heart yearn, and each negative pole D-to heart yearn shares, and the wire rod external diameter OD of direct current supply line is significantly dwindled, and effectively reduce the manufacturing cost of wire rod.

Secondary objective of the present utility model is by the original structure of direct current supply line, and each negative pole D-to heart yearn is shared, and effect with loop earth terminal, transmission when making direct current power supply be connected, can avoid the interference of noise or surging, and have splendid shielding action and effect.

For realizing above-mentioned purpose of the present utility model, the technical solution adopted in the utility model is: a kind of improvement structure of direct current supply line, a plurality of heart yearns are braiding copper mesh coating layer outward, coating layer is provided with insulator layer outward, described a plurality of heart yearns are dc power anode independently separately, the dc power cathode of described braiding copper mesh for sharing makes direct current supply line can significantly dwindle the outside dimension of wire rod.

The utlity model has following advantage: the wire rod external diameter of direct current supply line is significantly dwindled, effectively reduce the manufacturing cost of wire rod, also can avoid the interference of noise or surging, have splendid shielding action and effect.

Description of drawings

Fig. 1, be the organigram of prior art direct current supply line;

Fig. 2, be the profile construction schematic diagram of Fig. 1;

Fig. 3, be organigram of the present utility model;

Fig. 4, be the profile construction schematic diagram of Fig. 3.

Description of reference numerals: 10 direct current supply lines; 11 heart yearns; 12 braiding copper mesh; 13 insulators; 20 direct current supply lines; 21 heart yearns; 22 braiding copper mesh; 23 insulators.

Embodiment

For technology contents and the principle that the utility model is used is easy to understand, cooperate the specific embodiment description of drawings as follows.

Seeing also Fig. 3 and Fig. 4, is respectively to be organigram of the present utility model and profile construction schematic diagram thereof.As shown in the figure: direct current supply line 20 of the present utility model also uses on 3C electronics, electric equipment products, in order to as connection on the direct current power supply and transmission.The structure of this direct current supply line 20 mainly is outer for after 22 coatings of braiding copper mesh for a plurality of heart yearns 21, is constituted with insulator 23 covers again.Wherein, each bar heart yearn 21 is dc power anode D+ independently separately, and the braiding copper mesh 22 dc power cathode D-for sharing, and it is over half that the wire rod external diameter OD of whole piece direct current supply line 20 is dwindled, and very can reach and dwindle 2/3rds.

In addition, braiding copper mesh 22 meshes of this direct current supply line 20 are woven than detailed catalogue, make it have low-impedance characteristic, and cooperate the loop earth terminal effect of braiding copper mesh 22, effectively avoid direct current supply line 20 to be subjected to the interference of noise and surging, make this direct current supply line 20 have good conduction and shield effectiveness.

Moreover aforesaid braiding copper mesh 22 meshes braiding is thinner, and the stretching resistance of direct current supply line 20 is increased, and is to be another advantage of the utility model.

In sum, the disclosed technological means of the utility model really can reach and cause the long-range progressive of its intended purposes and effect and tool.It below only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, promptly change according to the utility model claim and the equivalence done of creation description generally and modify, all should still belong in the scope that the utility model patent contains.

Claims

1. the improvement structure of a direct current supply line, a plurality of heart yearns are braiding copper mesh coating layer outward, coating layer is provided with insulator layer outward, it is characterized in that: described a plurality of heart yearns are dc power anode independently separately, the dc power cathode of described braiding copper mesh for sharing makes direct current supply line can significantly dwindle the outside dimension of wire rod.