CN212161342U

CN212161342U - Cable with shielding signal function

Info

Publication number: CN212161342U
Application number: CN202021147403.6U
Authority: CN
Inventors: 吉保良
Original assignee: Sun Round Technology Shenzhen Co ltd
Current assignee: Sun Round Technology Shenzhen Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2020-12-15
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a cable with shielding signal function relates to wire and cable technical field, including outer wire and inner wire, the outside cladding of outer wire has the second insulating layer, the outside cladding of inner wire has the third insulating layer, the outside cladding of third insulating layer has the internal shield layer, be equipped with interior ground wire between internal shield layer and the second insulating layer, one side that the internal shield layer was kept away from to the second insulating layer is equipped with outer ground wire, the outside cladding of second insulating layer and outer ground wire has the external shield layer, the outside cladding of external shield layer has the first insulation layer. This cable with shielding signal function has set up nine ground wires, and ground connection is effectual, and signal shielding ability is outstanding, and especially the inner conductor has two sets of shielding layer protection, and the interference killing feature is splendid to improve selection material and structure, tensile and bending property are better.

Description

Cable with shielding signal function

Technical Field

The utility model relates to a wire and cable technical field specifically is a cable with shielding signal function.

Background

In the process of transmitting signals by the conducting cable, if the conducting cable is influenced by an external strong electric field or strong magnetic field, signal distortion may occur, so that a signal shielding technology is required to place external interference. The signal shield in cable technology usually adopts the mode of grounding wire, and utilizes the principle of equi-potential body to isolate external electromagnetic field.

In chinese utility model patent application no: the utility model discloses a tensile type shielded signal cable, this tensile type shielded signal cable include conductor, insulating layer, around covering, shielding layer and restrictive coating in the CN201120522860.3, be equipped with the insulating layer on the conductor outer wall, conductor and insulating layer are established around the covering in, are equipped with the shielding layer on the covering outer wall, are equipped with the restrictive coating on the outer wall of shielding layer. The tensile type shielding signal cable also has the defects of poor grounding, limited shielding effect and no primary and secondary cutting of the shielding degree.

Therefore, it is necessary to provide a cable with a signal shielding function to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a cable with shielding signal function to current tensile type shielding signal cable ground connection that proposes in solving above-mentioned background art is not good, and shielding effect is restricted, and shielding degree does not have the problem that primary and secondary was cut.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a cable with shielding signal function, includes outer wire and inner wire, the outside cladding of outer wire has the second insulating layer, the outside cladding of inner wire has the third insulating layer, the outside cladding of third insulating layer has the internal shield layer, be equipped with interior ground wire between internal shield layer and the second insulating layer, one side that the internal shield layer was kept away from to the second insulating layer is equipped with outer ground wire, the outside cladding of second insulating layer and outer ground wire has the external shield layer, the outside cladding of external shield layer has the first insulation layer.

Preferably, the gap between the inside of the outer shielding layer and the other wires is filled with a filling material, and the filling material is a glass fiber rope formed by twisting four glass fibers.

Preferably, there are one inner lead, nine outer leads, three inner ground wires and six outer ground wires.

Preferably, the material of the outer lead and the inner lead is annealed copper tin plating, the outer lead and the inner lead comprise a copper core and a plating layer, and the material of the outer ground wire and the inner ground wire is annealed soft copper.

Preferably, the outer shielding layer and the inner shielding layer are made of aluminum-plastic composites.

Preferably, the outer ground wire and the outer shielding layer are conductively connected to the outer conductive point, the inner ground wire and the inner shielding layer are conductively connected to the inner conductive point, and the inner ground wire and the outer ground wire are insulated.

(III) advantageous effects

Compared with the prior art, the utility model provides a cable with shielding signal function possesses following beneficial effect:

1. this cable with shielding signal function has set up nine ground wires, and ground connection is effectual, and signal shielding ability is outstanding, and especially the inner conductor has two sets of shielding layer protection, and the interference killing feature is splendid.

2. The cable with the signal shielding function improves material selection and structure, and has better tensile and bending properties.

Drawings

FIG. 1 is a cross-sectional structural view of the present invention;

FIG. 2 is a schematic view of the inner conductor and the covering;

FIG. 3 is a cross-sectional view of the inner conductor;

fig. 4 is a schematic structural diagram of the filling material.

In the figure: 1. a first insulating layer; 2. an outer shield layer; 3. an inner ground wire; 4. a second insulating layer; 5. an outer lead; 6. an inner lead; 7. a third insulating layer; 8. an inner shield layer; 9. an outer ground wire; 10. filling materials; 11. a copper core; 12. plating; 13. glass fibers; 14. an inner conductive point; 15. an outer conductive point.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a cable with signal shielding function includes an outer lead 5 and an inner lead 6, the inner lead 6 has one outer lead 5, the outer lead 5 has nine outer leads 5, the outer lead 5 and the inner lead 6 are made of annealed copper tin plating, including a copper core 11 and a plating layer 12, the tin plating can prevent the copper lead from being vulcanized by rubber, the outer lead 5 is coated with a second insulating layer 4, the inner lead 6 is coated with a third insulating layer 7, the second insulating layer 4 and the third insulating layer 7 are made of silicon rubber, the heat resistance is good, the outer insulating layer 7 is coated with an inner shielding layer 8, an inner ground wire 3 is disposed between the inner shielding layer 8 and the second insulating layer 4, the inner ground wire 3 and the inner shielding layer 8 are electrically connected to an inner conductive point 14, the inner ground wire 3 has three inner ground wires, one side of the second insulating layer 4 away from the inner shielding layer 8 is provided with an outer ground wire 9, the outer ground wire 9 and the outer shielding layer 2 are electrically connected, the outer ground wire 9 has six, nine ground wires are arranged, the grounding effect is good, the signal shielding capability is excellent, the outer ground wire 9 and the inner ground wire 3 are made of annealed soft copper, the inner ground wire 3 is insulated from the outer ground wire 9, the second insulating layer 4 and the outer ground wire 9 are wrapped with the outer shielding layer 2, the outer shielding layer 2 and the inner shielding layer 8 are made of aluminum-plastic composites, the inner lead 6 is protected by two shielding layers, the anti-interference performance is excellent, the outer shielding layer 2 is wrapped with the first insulating layer 1, the first insulating layer 1 is made of ethylene propylene rubber, the elasticity, the wear resistance and the corrosion resistance are good, gaps between the inner part of the outer shielding layer 2 and other leads are filled with filling materials 10, and the filling materials 10 are glass fiber ropes formed by twisting four glass fibers 13, so that the soft, light, heat-resistant and incombustible effects are realized.

The working principle is as follows: the principle of electromagnetic shield is the peer body principle promptly, and the shielding layer realizes through ground connection that inside cavity electric potential equals, and the shielding layer links to each other with six ground wires and can strengthens the ground connection effect, even outer shielding layer 2 receives little interference, and secondary shielding also can be carried out on inner shield layer 8, consequently inner lead 6 can not receive external disturbance completely.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cable with signal shielding function, includes outer wire (5) and interior wire (6), its characterized in that: the outside cladding of outer wire (5) has second insulating layer (4), the outside cladding of inner wire (6) has third insulating layer (7), the outside cladding of third insulating layer (7) has internal shield layer (8), be equipped with between internal shield layer (8) and second insulating layer (4) interior ground wire (3), one side that internal shield layer (8) were kept away from in second insulating layer (4) is equipped with outer ground wire (9), the outside cladding of second insulating layer (4) and outer ground wire (9) has external shield layer (2), the outside cladding of external shield layer (2) has first insulating layer (1).

2. The cable with signal shielding function according to claim 1, wherein: filling materials (10) are filled in gaps between the inner part of the outer shielding layer (2) and other wires, and the filling materials (10) are glass fiber ropes formed by twisting four glass fibers (13).

3. The cable with signal shielding function according to claim 1, wherein: the number of the inner leads (6) is one, the number of the outer leads (5) is nine, the number of the inner ground wires (3) is three, and the number of the outer ground wires (9) is six.

4. The cable with signal shielding function according to claim 1, wherein: the outer lead (5) and the inner lead (6) are made of annealed copper tinning and comprise a copper core (11) and a plating layer (12), and the outer ground wire (9) and the inner ground wire (3) are made of annealed soft copper.

5. The cable with signal shielding function according to claim 1, wherein: the first insulating layer (1) is made of ethylene propylene rubber, and the second insulating layer (4) and the third insulating layer (7) are made of silicon rubber.

6. The cable with signal shielding function according to claim 1, wherein: the outer shielding layer (2) and the inner shielding layer (8) are made of aluminum-plastic composites.

7. The cable with signal shielding function according to claim 1, wherein: the outer ground wire (9) and the outer shielding layer (2) are in conductive connection with the outer conductive point (15), the inner ground wire (3) and the inner shielding layer (8) are in conductive connection with the inner conductive point (14), and the inner ground wire (3) is insulated from the outer ground wire (9).