CN210223618U

CN210223618U - Electromagnetic noise shielding enhanced multi-core cable

Info

Publication number: CN210223618U
Application number: CN201921332891.5U
Authority: CN
Inventors: Ping Jiang; 江平; Jianwei Huang; 黄建卫; Xuhao Gao; 高旭皓; Chengwang Wang; 王成旺; Qianjun Shao; 邵千俊; Dengfeng Wang; 王登峰; Yi Wang; 王毅
Original assignee: Zhejiang Yuantong Wire and Cable Manufacturing Co Ltd
Current assignee: Zhejiang Yuantong Wire and Cable Manufacturing Co Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-03-31
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses an electromagnetic noise shielding enhancement mode multicore cable, including first line core body, first shielding layer, the insulating synthetic resin winding area on first insulation layer and that have the iron powder filler, first line core body comprises two piece at least insulation core and an insulating pair twist sinle silk transposition, insulating pair twist sinle silk includes second line core body and the second shielding layer that comprises two pair twist sinle silk pair twists, the pair twist sinle silk includes first inner conductor and second insulation layer, insulation sinle silk includes second inner conductor and third insulation layer, the outside cladding in proper order of first line core body has first shielding layer and first insulation layer, insulating synthetic resin winding takes the medial surface to be equipped with the silicone resin adhesive linkage, insulating synthetic resin winding area is the heliciform and overlaps the winding parcel outside the first insulation layer. The cable has the effect of reinforcing the multi-core cable to shield electromagnetic noise, and can effectively inhibit electromagnetic noise interference under the complex environment of an industrial application site.

Description

Electromagnetic noise shielding enhanced multi-core cable

Technical Field

The utility model relates to a cable wire technical field especially relates to an electromagnetic noise shielding enhancement mode multicore cable.

Background

Electromagnetic noise environments tend to be quite complex in industrial applications, and the radiation or conduction (EMI) of electromagnetic noise can significantly interfere with the proper operation of electromechanical devices. In this process, an important carrier for electromagnetic noise propagation is various cables used in production line equipment. Some of them are noise sources and some are disturbed objects. One very important way to combat electromagnetic noise interference on electrical lines is to use shielded cables. The multi-core cable is generally used for a towline system, a robot, a mobile driving system and the like, however, the multi-core cable at present has the problem that the shielding effect is influenced by the low specification standard while the multi-core cable is developed to be light and small in diameter.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art not enough, the technical problem that solve provides an electromagnetic noise shielding enhancement mode multicore cable, and it has the effect that reinforcement multicore cable shielded electromagnetic noise, can effectual suppression electromagnetic noise interference phenomenon under the on-the-spot complex environment of industrial application.

The utility model discloses a make above-mentioned technical problem solve through following technical scheme.

An electromagnetic noise shielding enhanced multi-core cable comprises a first core body, a first shielding layer, a first insulating layer and an insulating synthetic resin winding belt with iron powder filler, wherein the first core body is formed by twisting at least two insulating wire cores and an insulating twisted-pair wire core, the outer diameter ratio of the insulating wire cores to the insulating twisted-pair wire cores is 0.8:1 to 1:1.5, the insulating twisted-pair wire core comprises a second core body formed by twisting two twisted-pair wire cores and a second shielding layer covering the outside of the second core body, the twisted-pair wire core comprises a first inner conductor and a second insulating layer covering the outside of the first inner conductor, the insulating wire core comprises a second inner conductor and a third insulating layer covering the outside of the second inner conductor, the first core body is sequentially covered with the first shielding layer and the first insulating layer, and the inner side surface of the insulating synthetic resin winding belt is provided with a silicon resin bonding layer, the insulating synthetic resin wound tape is spirally wound in an overlapping manner outside the first insulating layer.

Preferably, the first inner conductor is formed by stranding a plurality of tinned copper monofilaments with the diameter of 0.05mm to 0.08mm, and the outer diameter of the first inner conductor is 0.6mm to 1 mm.

Preferably, the second inner conductor is formed by stranding a plurality of tinned copper monofilaments with the diameter of 0.05mm to 0.08 mm.

Preferably, the first insulating layer is a polyurethane insulating layer, the second insulating layer and the third insulating layer are both PTFE, FEP or PFA insulating layers, the thickness of the first insulating layer is 0.4mm to 0.8mm, the thickness of the second insulating layer is 0.2mm to 0.4mm, and the thickness of the third insulating layer is 0.2mm to 0.8 mm.

Preferably, the second shielding layer is a tinned copper wire braided shielding layer and is formed by winding and braiding tinned copper monofilaments with the diameter not more than 0.05 mm.

Preferably, the outer diameter of the second shield layer is 2.5mm to 4.5 mm.

Preferably, the thickness of the third insulating layer is 0.2mm to 0.8 mm.

Preferably, the first shielding layer is an aluminum-plastic composite tape shielding layer.

The utility model has the advantages that: the insulating synthetic resin winding belt with the iron powder filler is wound on the outermost part of the multi-core cable in a sealing mode, so that the electromagnetic noise interference shielding performance of the multi-core cable against the external environment is enhanced, the multi-core cable with the insufficient shielding effect on the external environment has an obvious shielding reinforcing effect, and electromechanical equipment can safely run in the industrial application field with the complicated electromagnetic noise environment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present application.

Reference numerals: 1-insulated wire core, 2-insulated twisted-pair wire core, 3-first shielding layer, 4-first insulating layer, 5-insulated synthetic resin wound tape, 6-twisted-pair wire core, 7-second shielding layer, 8-first inner conductor, 9-second insulating layer, 10-second inner conductor, 11-third insulating layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, the utility model discloses electromagnetic noise shielding enhancement mode multicore cable, including first line core body, first shielding layer 3, first insulation layer 4 and insulating synthetic resin winding area 5 that has the iron powder filler, the outside cladding in proper order of first line core body has first shielding layer 3 and first insulation layer 4, insulating synthetic resin winding takes 5 medial surfaces to be equipped with the silicone resin adhesive linkage, insulating synthetic resin winding area 5 is the heliciform and overlaps the winding parcel and be in 4 outsides on the first insulation layer. The first shielding layer 3 is an aluminum-plastic composite tape shielding layer. The first wire core body is formed by twisting at least two insulated wire cores 1 and an insulated twisted pair wire core 2, and the two insulated wire cores 1 and the insulated twisted pair wire core 2 are twisted in the example.

Insulating pair twist sinle silk 2 includes the second wire core body that comprises two 6 pairs of twist sinle silks and cladding and is in the outside second shielding layer 7 of second wire core body, pair twist sinle silk 6 includes first inner conductor 8 and cladding and is in the outside second insulating layer 9 of first inner conductor 8, specific saying so, first inner conductor 8 comprises for a plurality of diameters tin-plated copper monofilament transposition of 0.05mm to 0.08mm, first inner conductor 8's external diameter is 0.6mm to 1mm, second shielding layer 7 is that the shielding layer is woven to the tin-plated copper wire and is twined for the tin-plated copper monofilament winding that the diameter is no more than 0.05mm and weaves the constitution, the external diameter of second shielding layer 7 is 2.5mm to 4.5 mm.

The insulated wire core 1 comprises a second inner conductor 10 and a third insulated layer 11 coated outside the second inner conductor 10, and specifically, the second inner conductor 10 is formed by stranding a plurality of tinned copper monofilaments with the diameter of 0.05mm to 0.08 mm. The thickness of the third insulating layer 11 is 0.2mm to 0.8 mm.

Further, the ratio of the outer diameters of the insulated wire core 1 and the insulated twisted wire core 2 is 0.8:1 to 1:1.5, so that the approximately circular structure of the cable section is easily ensured after twisting. The first insulating layer 4 is a polyurethane insulating layer, the second insulating layer 9 with the third insulating layer 11 is a PTFE, FEP or PFA insulating layer, for realizing the thin footpath preparation, the thickness of first insulating layer 4 is 0.4mm to 0.8mm, the thickness of second insulating layer 9 is 0.2mm to 0.4mm, the thickness of third insulating layer 11 is 0.2mm to 0.8 mm.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. Electromagnetic noise shielding enhancement mode multicore cable, characterized by: the cable comprises a first cable core body, a first shielding layer (3), a first insulating layer (4) and an insulating synthetic resin winding belt (5) with iron powder filler, wherein the first cable core body is formed by twisting at least two insulating cable cores (1) and one insulating twisted-pair cable core (2), the outer diameter ratio of the insulating cable cores (1) to the insulating twisted-pair cable cores (2) is 0.8:1 to 1:1.5, the insulating twisted-pair cable core (2) comprises a second cable core body formed by twisting two twisted-pair cable cores (6) in pair and a second shielding layer (7) covering the outside of the second cable core body, the twisted-pair cable core (6) comprises a first inner conductor (8) and a second insulating layer (9) covering the outside of the first inner conductor (8), the insulating cable core (1) comprises a second inner conductor (10) and a third insulating layer (11) covering the outside of the second inner conductor (10), the outside cladding in proper order of first refill body has first shielding layer (3) and first insulating layer (4), insulating synthetic resin winding area (5) medial surface is equipped with the silicone resin adhesive linkage, insulating synthetic resin winding area (5) are heliciform and overlap the winding parcel and be in first insulating layer (4) outside.

2. The electromagnetic noise shielding enhanced multi-core cable as claimed in claim 1, wherein: the first inner conductor (8) is formed by stranding a plurality of tinned copper monofilaments with the diameters of 0.05mm to 0.08mm, and the outer diameter of the first inner conductor (8) is 0.6mm to 1 mm.

3. The electromagnetic noise shielding enhanced multi-core cable as claimed in claim 1, wherein: the second inner conductor (10) is formed by stranding a plurality of tinned copper monofilaments with the diameter of 0.05mm to 0.08 mm.

4. The electromagnetic noise shielding enhanced multi-core cable as claimed in claim 1, wherein: the first insulating layer (4) is a polyurethane insulating layer, the second insulating layer (9) and the third insulating layer (11) are PTFE, FEP or PFA insulating layers, the thickness of the first insulating layer (4) is 0.4mm to 0.8mm, the thickness of the second insulating layer (9) is 0.2mm to 0.4mm, and the thickness of the third insulating layer (11) is 0.2mm to 0.8 mm.

5. The electromagnetic noise shielding enhanced multi-core cable as claimed in claim 1, wherein: the second shielding layer (7) is a tinned copper wire braided shielding layer and is formed by winding and braiding tinned copper monofilaments with the diameter not more than 0.05 mm.

6. The electromagnetic noise shielding enhanced multi-core cable as claimed in claim 5, wherein: the outer diameter of the second shielding layer (7) is 2.5mm to 4.5 mm.

7. The electromagnetic noise shielding enhanced multi-core cable as claimed in claim 1, wherein: the thickness of the third insulating layer (11) is 0.2mm to 0.8 mm.

8. The electromagnetic noise shielding enhanced multi-core cable as claimed in claim 1, wherein: the first shielding layer (3) is an aluminum-plastic composite tape shielding layer.