CN2779568Y

CN2779568Y - Leakable coaxial cable

Info

Publication number: CN2779568Y
Application number: CN 200520025638
Authority: CN
Inventors: 周秀; 李金花; 范新鹏
Original assignee: Tianjin Hengteer Wire & Cable Co Ltd
Current assignee: Tianjin Hengteer Wire & Cable Co Ltd
Priority date: 2005-04-21
Filing date: 2005-04-21
Publication date: 2006-05-10
Anticipated expiration: 2015-04-21

Abstract

The utility model relates to a leakage coaxial cable, which is characterized in that an outer conductor is a metal mesh grid which is formed by the crossed knitting of metal wires. The ratio of the quantity of the metal wires which are crossed and knitted in interval in one direction of the metal mesh grid and the quantity of the metal wires of the other direction is 2 or 6 to 4 to 12. The outer conductor of the utility model has unique structure, and can effectively enhance signal leakage quantity. The signal leakage is uniform and reasonable. The leakage coaxial cable has simple integral structure and softness. The utility model does not need a special device, and the manufacturing cost is reduced. The utility model is a replaced product for the existing leakage coaxial cable.

Description

But leakage coaxial cable

Technical field

The utility model belongs to field of cables, but especially a kind of leakage coaxial cable.

Background technology

Leaky cable as its name suggests, is the cable that can leak radiofrequency signal.Can more rational leakage for the signal that makes cable, generally adopt dual mode: 1. outside the insulating barrier of existing universal cordage, be with copper pipe, then uniform mode of making leak on this copper pipe.The shortcoming of the formed leaky cable of this mode is: cable is not easy bending more firmly, and cost is higher, and manufacture craft is comparatively complicated, and needs to use special equipment to make; 2. in order to overcome the shortcoming that goes up kind of mode, people adopt and twine the mode of many copper cash at interval at the insulating barrier external spiral, though overcome the flexible shortcoming of not allowing of first kind of mode, manufacture craft or slightly complicated, but also needing special equipment, cost is also higher.

Summary of the invention:

The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of simple in structure, and cost is low, but adopts the leakage coaxial cable of unique woven mesh structure to realize that radiofrequency signal is leaked.

The utility model solves its technical problem and takes following technical scheme to realize:

This leakage coaxial cable, form by inner wire, insulator, outer conductor, inner sheath, oversheath coaxial package successively, it is characterized in that: described outer conductor is the metal knitted net that wire cross braiding forms, this metal knitted net at interval interlacing in one direction wire quantity and the ratio of the wire quantity on the other direction be 2～6: 4～12.

Advantage of the present utility model and beneficial effect are:

The outer conductor of this structure adopts the mesh grid of structure uniqueness, can improve the leakage rate of radiofrequency signal effectively, and signal leakage is evenly reasonable.The whole cable of made is simple in structure, and is soft handy, and needn't adopt special equipment to make, and greatly reduced manufacturing cost, is the regeneration product of existing leaky cable.

Description of drawings

Fig. 1 is a structural front view of the present utility model;

Fig. 2 is the enlarged drawing of Fig. 1 mesh grid.

Embodiment

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

This leakage coaxial cable, its basic structure is similar to general coaxial cable, from the inner core to the overcoat successively by inner wire 1, insulator 2, outer conductor 3, inner sheath 4, oversheath 5 coaxial manufacturings form, the utility model innovation part is: outer conductor is the metal knitted net that the wire cross braiding forms, the ratio of the wire quantity that weaves at interval on wire quantity that the wire netting of this interlacing weaves in one direction at interval and the other direction is in 2～6: 4～12 scopes, in the present embodiment in one direction wire quantity at interval weaving four, with wire quantity on another direction of its braiding for weaving eight at interval, it is fixed that the size of its quantity and distance at interval are that the leakage according to radiofrequency signal requires.

Claims

1. but leakage coaxial cable, form by the coaxial successively manufacturing of inner wire, insulator, outer conductor, inner sheath, oversheath, it is characterized in that: described outer conductor is the metal knitted net that wire cross braiding forms, this metal knitted net at interval interlacing in one direction wire quantity and the ratio of the wire quantity on the other direction be 2～6: 4～12.