CN216487376U - Electromagnetic shielding grounding cable with multilayer structure - Google Patents

Abstract

The utility model relates to an electromagnetic shielding grounding cable with a multilayer structure in the technical field of electromagnetic shielding cables, wherein a signal receiving wire is arranged in a cable body, a first grounding cable, a second grounding cable and a third grounding cable are arranged outside the signal receiving wire in a matching way, electromagnetic shielding wires are arranged outside the first grounding cable, the second grounding cable and the third grounding cable in a matching way, a total filling layer is also arranged between each grounding cable and each electromagnetic shielding wire in a matching way, an insulating sheath is wound outside the electric shielding layer, the utility model is widely applied to the technical field of electromagnetic shielding cables, can effectively shield the electromagnetic interference of 0.01GHz to 12GHz, can select different raw materials to form a core-shell structure according to the product application so as to realize the corresponding required functions and adopt composite material shielding to replace woven copper mesh shielding, the production cost is saved, the electromagnetic wave is absorbed by the electromagnetic shielding composite material, and the safety in use is improved.

Description

Electromagnetic shielding grounding cable with multilayer structure

Technical Field

The utility model relates to the technical field of electromagnetic shielding cables, in particular to a shielding cable.

Background

An electromagnetic shielding cable is disclosed in the existing Chinese patent database, and the patent application numbers thereof are as follows: CN201921529720.2, filed as follows: 2017.11.16, publication No. CN207458644U, publication date: 2018.06.05, the utility model discloses a novel shielding cable is disclosed in this utility model application, including base, decladding seat, shielding cable body and firm frame, install the storage line box body on the base, the lid is installed to storage line box body upside, the outlet is installed to lid upper end one side, the decladding seat is installed to lid upper end opposite side, the decladding groove has been seted up at decladding seat and shear block middle part, the decladding inslot side dark changes there is the decladding cutting edge, the shielding cable body comprises electrically conductive heart yearn, obturator, metal foil layer and insulating layer, and this utility model's bearing capacity is not enough, and output capacitance is little, can not satisfy the high load requirement, and cites the scope little, can not satisfy the use under the special circumstances and the unsatisfactory cost of convenient too high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an electromagnetic shielding grounding cable with a multilayer structure; the utility model discloses a pack through obturator and exocuticle between the electrically conductive heart yearn in the shielding cable, but the connection stability between the electrically conductive heart yearn is relatively poor, scatters easily when receiving the extrusion, influences the use, and the remote installation of being not convenient for of current shielding cable is used moreover and shielding effect is not good.

The purpose of the utility model is realized as follows: an electromagnetic shielding grounding cable with a multilayer structure comprises a cable body (1), wherein a signal receiving wire (2) is arranged inside the cable body (1), a first grounding cable (3), a second grounding cable (4) and a third grounding cable (5) are arranged outside the signal receiving wire (2) in a matching way, electromagnetic shielding wires are arranged on the outer sides of the first grounding cable (3), the second grounding cable (4) and the third grounding cable (5) in a matched mode, a total filling layer (7) is arranged between each grounding cable and each electromagnetic shielding wire in a matched mode, an isolation layer (8) is wound on the outer side of the total filling layer (7), an insulating sleeve layer (9) and an armor layer (10) are wound on the outer side of the isolation layer (8), an electric shielding layer (11) is wound on the outer side of the armor layer (10), and an insulating sheath (12) is wound on the outer side of the electric shielding layer (11).

When the cable is used, when a signal receiving wire (2) is installed, an insulating rubber ring (14) is sleeved outside a signal coil (13), a thickened small filling layer (15) is sleeved outside the insulating rubber ring (14), the signal receiving wire (2) is fixed at the central position inside a cable body (1), so that the signal receiving wire (2) is sleeved, when a first grounding cable (3) is installed, insulating paint (17) is coated outside a first copper conductor (16), a second grounding cable (4) and a third grounding cable (5) are sequentially coated, the first grounding cable (3), the second grounding cable (4) and the third grounding cable (5) are arranged around the signal receiving wire (2) in a surrounding mode and fixed, so that the first grounding cable (3), the second grounding cable (4) and the third grounding cable (5) are installed, when a first shielding wire (19) is installed, a non-woven fabric layer (29) is sleeved outside a second copper conductor (28), the first shielding wire (19), the second shielding wire (20), the third shielding wire (21), the fourth shielding wire (22), the fifth shielding wire (23), the sixth shielding wire (24), the seventh shielding wire (25), the eighth shielding wire (26) and the ninth shielding wire (27) are sequentially fixed inside a cable body (1) and are connected with an isolating layer (8), an insulating sleeve layer (9) is wrapped outside the isolating layer (8), an armor layer (10) is wrapped outside the insulating sleeve layer (9), an electric shielding layer (11) is wrapped outside the armor layer (10), an insulating sheath (12) is wrapped outside the electric shielding layer (11), and installation is completed; when the utility model is used, grounding is not needed, and the production efficiency and labor cost are correspondingly improved; from the shielding of the woven copper mesh to the shielding of the composite material, the shielding cable can be produced in a magnetic conductive alloy film wrapping mode or a magnetic particle polymer composite material coating mode according to different performance requirements.

The utility model has the advantages that: providing an electromagnetic shielding grounding cable with a multilayer structure; the utility model discloses a can effectively shield 0.01GHz to 12 GHz's electromagnetic interference, can choose for use different raw and other materials collocation to form the core-shell structure according to the product usage to realize corresponding required function and adopt combined material shielding to replace and weave the copper mesh shielding, not only need not purchase expensive braider, practiced thrift manufacturing cost moreover and absorbed the electromagnetic wave rather than the reflection electromagnetic wave through electromagnetic shield combined material, security when having increased the use

As a further improvement of the utility model, in order to prevent the signal receiving wire (2) from generating electric leakage or other accidents inside in the using process; the signal receiving wire (2) is internally provided with a signal coil (13) in a matched manner, the signal coil (13) is externally provided with an insulating rubber ring (14) in a matched manner, the insulating rubber ring (14) is externally provided with a thickened small filling layer (15), and the signal receiving wire (2) is arranged at the central position inside the cable body (1) and is connected and fixed with one side of the first grounding cable (3), the second grounding cable (4) and the third grounding cable (5).

As a further improvement of the utility model, in order to prevent accidents such as intercommunication and electric leakage of each grounding cable during operation; first ground cable (3) inside cooperation is provided with first copper conductor (16), and first copper conductor (16) comprise a plurality of thin copper wires, first copper conductor (16) outside scribbles insulated paint (17), the outside cooperation of insulated paint (17) is provided with restrictive coating (18).

As a further improvement of the utility model, the utility model is convenient for the use of the staff and increases the convenience of use; the cable is characterized in that the first grounding cable (3), the second grounding cable (4) and the third grounding cable (5) are arranged around the inner part of the cable body (1) in a surrounding mode, and the inner structures of the second grounding cable (4), the third grounding cable (5) and the first grounding cable (3) are in the same configuration.

As a further improvement of the present invention, in order to prevent the stability of each shielded wire in operation and simultaneously improve the shielding effect; the electromagnetic shielding wire comprises a first shielding wire (19), a second shielding wire (20), a third shielding wire (21), a fourth shielding wire (22), a fifth shielding wire (23), a sixth shielding wire (24), a seventh shielding wire (25), an eighth shielding wire (26) and a ninth shielding wire (27), wherein a second copper wire (28) is arranged in the first shielding wire (19) in a matched mode, a non-woven fabric layer (29) is arranged in the second copper wire (28) in a matched mode, and each shielding wire is arranged in the cable body (1) and is reserved with a space among the first grounding cable (3), the second grounding cable (4) and the third grounding cable (5).

As a further improvement of the utility model, in order to prevent accidents such as electric leakage or intercommunication of each shielded wire in the using process; the insulating layer (8) is wrapped outside the first shielding wire (19), the second shielding wire (20), the third shielding wire (21), the fourth shielding wire (22), the fifth shielding wire (23), the sixth shielding wire (24), the seventh shielding wire (25), the eighth shielding wire (26) and the ninth shielding wire (27), and the insulating sleeve layer (9) is arranged outside the insulating layer (8).

As a further improvement of the utility model, in order to keep higher safety performance of the cable body (1) during the use process and prevent other occurrences; the filling material of the small filling layer (15) is polypropylene ethylene.

As a further improvement of the utility model, in order to further increase the safety of the cable body (1) during use; the filling material of the total filling layer (7) is crosslinked polyethylene used for high-voltage cables.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of the ground cable.

Fig. 3 is a perspective view of the first signal line.

Fig. 4 is a perspective view of the first shield wire.

The cable comprises a cable body 1, a signal receiving wire 2, a first grounding cable 3, a second grounding cable 4, a third grounding cable 5, a total filling layer 7, an isolation layer 8, an insulating jacket layer 9, an armor layer 10, an electric shielding layer 11, an insulating sheath 12, a signal coil 13, an insulating rubber ring 14, a small filling layer 15, a first copper wire 16, insulating paint 17, a jacket layer 18, a first shielding wire 19, a second shielding wire 20, a third shielding wire 21, a fourth shielding wire 22, a fifth shielding wire 23, a sixth shielding wire 24, a seventh shielding wire 25, an eighth shielding wire 26, a ninth shielding wire 27, a second copper wire 28 and a non-woven fabric layer 29.

Detailed Description

As shown in fig. 1-4, an electromagnetic shielding grounding cable with a multilayer structure comprises a cable body 1, a signal receiving wire 2 is arranged inside the cable body 1, a first grounding cable 3, a second grounding cable 4 and a third grounding cable 5 are arranged outside the signal receiving wire 2 in a matching manner, electromagnetic shielding wires are arranged outside the first grounding cable 3, the second grounding cable 4 and the third grounding cable 5 in a matching manner, a total filling layer 7 is filled between each grounding cable and the electromagnetic shielding wires, an isolation layer 8 is wound outside the total filling layer 7, an insulating jacket layer 9 and an armor layer 10 are wound outside the isolation layer 8, an electric shielding layer 11 is wound outside the armor layer 10, an insulating jacket 12 is arranged outside the electric shielding layer 11, a signal coil 13 is arranged inside the signal receiving wire 2 in a matching manner, an insulating rubber ring 14 is arranged outside the signal coil 13 in a matching manner, the outside cooperation of insulating rubber ring 14 is provided with little filling layer 15 of thickening, signal reception line 2 sets up and puts and meet and fix with one side of first earthing cable 3, second earthing cable 4, third earthing cable 5 in the inside central point of cable body 1, the inside cooperation of first earthing cable 3 is provided with first copper conductor 16, and first copper conductor 16 comprises a plurality of thin copper wires, first copper conductor 16 outside scribbles insulated paint 17, the outside cooperation of insulated paint 17 is provided with restrictive coating 18, first earthing cable 3, second earthing cable 4, third earthing cable 5 encircle set up around cable body 1 is inside, second earthing cable 4, third earthing cable 5 are the same configuration with the inner structure of first earthing cable 3, the electromagnetic shield line includes first shielded wire 19, second shielded wire 20, third shielded wire 21, A fourth shielded wire 22, a fifth shielded wire 23, a sixth shielded wire 24, a seventh shielded wire 25, an eighth shielded wire 26, a ninth shielded wire 27, a second copper conductor 28 is arranged inside the first shielding wire 19 in a matching way, a non-woven fabric layer 29 is arranged outside the second copper conductor 28 in a matching way, each shielding wire is arranged inside the cable body 1 and has a preset distance with the first grounding cable 3, the second grounding cable 4 and the third grounding cable 5, the isolation layer 8 is wrapped outside the first shielded wire 19, the second shielded wire 20, the third shielded wire 21, the fourth shielded wire 22, the fifth shielded wire 23, the sixth shielded wire 24, the seventh shielded wire 25, the eighth shielded wire 26 and the ninth shielded wire 27, the insulating jacket layer 9 is arranged outside the isolation layer 8, the filling material of the small filling layer 15 is polypropylene, and the filling material of the total filling layer 7 is crosslinked polyethylene used for high-voltage cables.

When the utility model works: when a signal receiving wire 2 is installed, an insulating rubber ring 14 is sleeved outside a signal coil 13, a thickened small filling layer 15 is sleeved outside the insulating rubber ring 14, the signal receiving wire 2 is fixed at the central position inside a cable body 1 until the signal receiving wire 2 is sleeved, when a first grounding cable 3 is installed, an insulating paint 17 is smeared outside a first copper wire 16, a second grounding cable 4 and a third grounding cable 5 are sequentially smeared, the first grounding cable 3, the second grounding cable 4 and the third grounding cable 5 are arranged around the signal receiving wire 2 and fixed until the first grounding cable 3, the second grounding cable 4 and the third grounding cable 5 are installed, when a first shielding wire 19 is installed, a non-woven fabric layer 29 is sleeved outside a second copper wire 28, the first shielding wire 19, the second shielding wire 20, the third shielding wire 21, A fourth shielding wire 22, a fifth shielding wire 23, a sixth shielding wire 24, a seventh shielding wire 25, an eighth shielding wire 26 and a ninth shielding wire 27 are sequentially fixed inside the cable body 1 and connected with the isolation layer 8, the insulation jacket layer 9 is wrapped outside the isolation layer 8, the armor layer 10 is wrapped outside the insulation jacket layer 9, the electric shielding layer 11 is wrapped outside the armor layer 10, and the insulation jacket 12 is wrapped outside the electric shielding layer, so that the installation is completed; when the utility model is used, grounding is not needed, and the production efficiency and labor cost are correspondingly improved; from the shielding of the woven copper mesh to the shielding of the composite material, the shielding cable can be produced in a magnetic conductive alloy film wrapping mode or a magnetic particle polymer composite material coating mode according to different performance requirements.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope.

Claims (8)

1. An electromagnetic shielding grounding cable of a multilayer structure, comprising a cable body (1), characterized in that: the cable comprises a cable body (1), wherein a signal receiving wire (2) is arranged inside the cable body (1), a first grounding cable (3), a second grounding cable (4) and a third grounding cable (5) are arranged on the outer side of the signal receiving wire (2) in a matched mode, electromagnetic shielding wires are arranged on the outer sides of the first grounding cable (3), the second grounding cable (4) and the third grounding cable (5) in a matched mode, a total filling layer (7) is filled between each grounding cable and each electromagnetic shielding wire, an isolation layer (8) is wound on the outer side of the total filling layer (7), an insulation jacket layer (9) and an armor layer (10) are wound on the outer side of the isolation layer (8), an electric shielding layer (11) is wound on the outer side of the armor layer (10), and an insulation jacket (12) is wound on the outer side of the electric shielding layer (11).

2. The electromagnetically shielded ground cable of claim 1, wherein: the signal receiving wire (2) is internally provided with a signal coil (13) in a matched manner, the signal coil (13) is externally provided with an insulating rubber ring (14) in a matched manner, the insulating rubber ring (14) is externally provided with a thickened small filling layer (15), and the signal receiving wire (2) is arranged at the central position inside the cable body (1) and is connected with one side of the first grounding cable (3), the second grounding cable (4) and the third grounding cable (5).

3. The electromagnetically shielded ground cable of claim 1, wherein: first ground cable (3) inside cooperation is provided with first copper conductor (16), and first copper conductor (16) comprise a plurality of thin copper wires, first copper conductor (16) outside scribbles insulated paint (17), the outside cooperation of insulated paint (17) is provided with restrictive coating (18).

4. An electromagnetically shielded ground cable of a multi-layer structure as claimed in claim 1 or 2, wherein: the cable is characterized in that the first grounding cable (3), the second grounding cable (4) and the third grounding cable (5) are arranged around the inner part of the cable body (1) in a surrounding mode, and the inner structures of the second grounding cable (4), the third grounding cable (5) and the first grounding cable (3) are in the same configuration.

5. The electromagnetically shielded ground cable of claim 1, wherein: the electromagnetic shielding wire comprises a first shielding wire (19), a second shielding wire (20), a third shielding wire (21), a fourth shielding wire (22), a fifth shielding wire (23), a sixth shielding wire (24), a seventh shielding wire (25), an eighth shielding wire (26) and a ninth shielding wire (27), wherein a second copper wire (28) is arranged in the first shielding wire (19) in a matched mode, a non-woven fabric layer (29) is arranged in the second copper wire (28) in a matched mode, and each shielding wire is arranged in the cable body (1) and is reserved with a space among the first grounding cable (3), the second grounding cable (4) and the third grounding cable (5).

6. The electromagnetically shielded ground cable of claim 1, wherein: the insulating layer (8) is wrapped outside the first shielding wire (19), the second shielding wire (20), the third shielding wire (21), the fourth shielding wire (22), the fifth shielding wire (23), the sixth shielding wire (24), the seventh shielding wire (25), the eighth shielding wire (26) and the ninth shielding wire (27), and the insulating sleeve layer (9) is arranged outside the insulating layer (8).

7. The electromagnetically shielded ground cable of claim 2, wherein: the filling material of the small filling layer (15) is polypropylene ethylene.

8. The electromagnetically shielded ground cable of claim 1, wherein: the filling material of the total filling layer (7) is crosslinked polyethylene used for high-voltage cables.

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