CN216161484U - Electromagnetic signal shielding cable with high-performance and strong shielding effect - Google Patents
Electromagnetic signal shielding cable with high-performance and strong shielding effect Download PDFInfo
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- CN216161484U CN216161484U CN202122283772.9U CN202122283772U CN216161484U CN 216161484 U CN216161484 U CN 216161484U CN 202122283772 U CN202122283772 U CN 202122283772U CN 216161484 U CN216161484 U CN 216161484U
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Abstract
The utility model relates to an electromagnetic signal shielding cable with high performance and strong shielding effect in the technical field of insulating cables, wherein a first signal wire, a second signal wire, a third signal wire, a fourth signal wire and a fifth signal wire are arranged outside a grounding cable in a matching way, shielding wires are arranged between the outer sides of the first signal wire, the second signal wire, the third signal wire, the fourth signal wire and the fifth signal wire in a matching way, a total filling layer is also arranged between each signal wire and each shielding wire in a matching way, an isolating layer is wound outside the total filling layer, an insulating jacket layer and a flame-retardant wrapping tape are wound outside the isolating layer, an armor layer is wound outside the flame-retardant wrapping tape, the utility model is widely applied to the technical field of insulating cables, the conductivity of the shielding layer from inside to outside is in gradient distribution, the impedance matching is good, the shielding efficiency is high, the average electromagnetic shielding effectiveness in a high-frequency band is as high as 27dB, and the application range is expanded simultaneously, the consumption of copper materials is saved, the cost is reduced, and the efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of insulated cables, in particular to a shielded cable.
Background
An insulated cable is disclosed in the existing Chinese patent database, and the patent application numbers thereof are as follows: CN202021374306.0, filed as follows: 2020.07.14, publication No. CN212461230U, publication date: 2021.02.02, the utility model discloses an application discloses an aerial insulated cable of increase-volume, including first insulating layer (17), first single core cable, second single core cable and the single core cable of third, an inside first single core cable that is provided with of insulating layer (17), first single core cable below is equipped with the single core cable of second, second single core cable right side is equipped with the single core cable of third, first insulating layer (17), second insulating layer (17) all adopt the temperature resistant grade to reach 105 ℃ cross-linked polyethylene insulating material with third insulating layer (17), this utility model discloses a bearing capacity is not enough, and output capacitance is little, can not satisfy the high load requirement, and cites the scope little, can't satisfy the use under the special circumstances and the unsatisfactory cost of convenient degree is too high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electromagnetic signal shielding cable with high performance and strong shielding effect aiming at the defects of the prior art; the utility model discloses a conductivity of shielding layer from inside to outside is gradient distribution, and impedance match nature is good, and shielding efficiency is high, and average electromagnetic shield efficiency in the high frequency band is up to 27dB and enlarges the range of application simultaneously, practices thrift the consumption of copper product, and the cost is reduced has improved efficiency simultaneously.
The purpose of the utility model is realized as follows: an electromagnetic signal shielding cable with high performance and strong shielding effect comprises a cable body (1), a grounding cable (2) is arranged in the cable body (1), a first signal wire (3), a second signal wire (4), a third signal wire (5), a fourth signal wire (6) and a fifth signal wire (7) are arranged outside the grounding cable (2) in a matching way, the shielding wire is arranged between the outer sides of the first signal wire (3), the second signal wire (4), the third signal wire (5), the fourth signal wire (6) and the fifth signal wire (7) in a matched mode, a total filling layer (12) is arranged between each signal wire and each shielding wire in a matched mode, an isolation layer (13) is wound on the outer side of the total filling layer (12), an insulation sleeve layer (14) and a flame-retardant wrapping tape (15) are wound on the outer side of the isolation layer (13), and an armor layer (27) is wound on the outer side of the flame-retardant wrapping tape (15).
When the grounding cable is installed, an insulating layer (17) is sleeved outside a copper conductor (16), a magnetic shielding layer (18) is sleeved outside the insulating layer (17), the other four copper conductors (16) are sequentially sleeved, the four sleeved copper conductors (16) are fixed through a sheath layer (19) 19, the vacant parts are filled through a small filling layer (23) until the grounding cable (2) is installed, when a first signal wire (3) is installed, an insulating sheath (20) is wound outside a first copper conductor (25), a second signal wire (4), a third signal wire (5), a fourth signal wire (6) and a fifth signal wire (7) are sequentially wound, until the first signal wire (3), the second signal wire (4), the third signal wire (5), the fourth signal wire (6) and the fifth signal wire (7) are installed, when the first shielding wire (24) is installed, an electric shielding layer (21) is sleeved outside a second copper conductor (26), an insulating rubber sleeve (22) is wrapped outside the electric shielding layer (21), a second shielding wire (8), a third shielding wire (9), a fourth shielding wire (10) and a fifth shielding wire (11) are sequentially sleeved, after the sleeving is completed, a grounding cable (2) is fixed at the central position inside a cable body (1), all signal wires are sequentially arranged around the periphery outside the grounding cable (2) and connected, all the shielding wires are arranged in vacant areas where a first signal wire (3), a second signal wire (4), a third signal wire (5), a fourth signal wire (6) and a fifth signal wire (7) are connected, and an isolation layer (13) is wrapped around a first signal wire (3), a second signal wire (4), a third signal wire (5) and a fifth signal wire (7), and an isolation layer (13) is wrapped around the first signal wire (3), the second signal wire (4), the third signal wire (5), An insulating sleeve layer (14) is wrapped outside the isolation layer (13) around the outer periphery of the fourth signal wire (6) and the fifth signal wire (7), and a flame-retardant wrapping tape (15) is wrapped outside the insulating sleeve layer (14) until 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 utility model has the advantages that: the electromagnetic signal shielding cable with high performance and strong shielding effect is provided; the utility model discloses a conductivity of shielding layer from inside to outside is gradient distribution, and impedance match nature is good, and shielding efficiency is high, and average electromagnetic shield efficiency in the high frequency band is up to 27dB and enlarges the range of application simultaneously, practices thrift the consumption of copper product, and the cost is reduced has improved efficiency simultaneously.
As a further improvement of the utility model, in order to prevent the earth cable (2) from leaking electricity or other accidents inside in the using process; the ground cable (2) is internally provided with copper conductors (16) in a matching manner, the copper conductors (16) are provided with five copper conductors in a matching manner, the outside of each copper conductor (16) is provided with an insulating layer (17) in a matching manner, the outside of the insulating layer (17) is provided with a magnetic shielding layer (18), a small filling layer (23) is arranged between each copper conductor (16) and the insulating layer (17) in a matching manner, the outer side of the small filling layer (23) is wound with a sheath layer (19), and the ground cable (2) is arranged at the central position inside the cable body (1) and is connected and fixed with one side of a first signal line (3), a second signal line (4), a third signal line (5), a fourth signal line (6) and a fifth signal line (7).
As a further improvement of the utility model, in order to prevent accidents such as intercommunication and electric leakage of each signal wire during work; first signal line (3) inside cooperation is provided with first copper conductor (25), and first copper conductor (25) comprise a plurality of thin copper wires, first copper conductor (25) outside scribbles insulating varnish (28), the outside cooperation of insulating varnish (28) is provided with insulating sheath (20).
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 second signal line (4), the third signal line (5), the fourth signal line (6), the fifth signal line (7) and the first signal line (3) are arranged around the inside of the cable body (1), and the internal structures of the second signal line (4), the third signal line (5), the fourth signal line (6), the fifth signal line (7) and the first signal line (3) are in the same configuration.
As a further improvement of the utility model, in order to prevent accidents such as electric leakage and the like of the first shielding wire (24) in the using process; the shielding wire comprises a first shielding wire (24), a second shielding wire (8), a third shielding wire (9), a fourth shielding wire (10) and a fifth shielding wire (11), wherein the first shielding wire (24) is internally provided with a second copper wire (26), the second copper wire (26) is externally provided with an electric shielding layer (21) in a matching way, the outside of the electric shielding layer (21) is provided with an insulating rubber sleeve (22) around the package, and the first shielding wire (24), the second shielding wire (8), the third shielding wire (9), the fourth shielding wire (10) and the fifth shielding wire (11) are arranged inside the cable body (1) and are connected with the first signal wire (3), the second signal wire (4), the third signal wire (5), the fourth signal wire (6) and the fifth signal wire (7).
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 isolation layer (13) is wrapped around the outsides of the first signal line (3), the second signal line (4), the third signal line (5), the fourth signal line (6), the fifth signal line (7), the first shielding line (24), the second shielding line (8), the third shielding line (9), the fourth shielding line (10) and the fifth shielding line (11), the flame-retardant wrapping tape (15) is arranged outside the isolation layer (13), and an insulating sleeve layer (14) is further arranged between the isolation layer (13) and the flame-retardant wrapping tape (15) in a matched mode.
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 (23) is polypropylene ethylene, and the filling material of the total filling layer (12) is cross-linked 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 grounding cable 2, a first signal wire 3, a second signal wire 4, a third signal wire 5, a fourth signal wire 6, a fifth signal wire 7, a second shielding wire 8, a third shielding wire 9, a fourth shielding wire 10, a fifth shielding wire 11, a total filling layer 12, a separating layer 13, an insulating jacket layer 14, a flame-retardant wrapping tape 15, a copper conductor 16, an insulating layer 17, a magnetic shielding layer 18, a sheath layer 19, an insulating sheath 20, an electric shielding layer 21, an insulating glue sheath 22, a small filling layer 23, a first shielding wire 24, a first copper conductor 25, a second copper conductor 26, an armor layer 27 and insulating paint 28.
Detailed Description
As shown in fig. 1-4, an electromagnetic signal shielding cable with high performance and strong shielding effect comprises a cable body 1, a grounding cable 2 is arranged inside the cable body 1, a first signal wire 3, a second signal wire 4, a third signal wire 5, a fourth signal wire 6 and a fifth signal wire 7 are arranged outside the grounding cable 2 in a matching manner, shielding wires are arranged between the outsides of the first signal wire 3, the second signal wire 4, the third signal wire 5, the fourth signal wire 6 and the fifth signal wire 7 in a matching manner, a total filling layer 12 is further arranged between the signal wires and the shielding wires in a matching manner, an isolation layer 13 is arranged outside the total filling layer 12 in a winding manner, an insulation jacket layer 14 and a flame-retardant wrapping tape 15 are arranged outside the isolation layer 13 in a winding manner, an armor layer 27 is arranged outside the flame-retardant wrapping tape 15 in a matching manner, copper wires 16 are arranged inside the grounding cable 2 in a matching manner, five copper wires 16 are arranged in a matching manner, the outside of each copper conductor 16 is provided with an insulating layer 17 in a matching way, the outside of the insulating layer 17 is provided with a magnetic shielding layer 18 in a matching way, a small filling layer 23 is arranged between the copper conductors 16 and the insulating layer 17 in a matching way, the outer side of the small filling layer 23 is wound with a sheath layer 19, the grounding cable 2 is arranged at the central position in the cable body 1 and is connected and fixed with one side of the first signal wire 3, the second signal wire 4, the third signal wire 5, the fourth signal wire 6 and the fifth signal wire 7, the first copper conductor 25 is arranged in the first signal wire 3 in a matching way, the first copper conductor 25 is composed of a plurality of thin copper wires, the outside of the first copper conductor 25 is coated with insulating paint 28, the outside of the insulating paint 28 is provided with an insulating sheath 20 in a matching way, the second signal wire 4, the third signal wire 5, the fourth signal wire 6, the fifth signal wire 7 and the first signal wire 3 are arranged around the inside the cable body 1 in a surrounding way, the second signal line 4, the third signal line 5, the fourth signal line 6 and the fifth signal line 7 are configured in the same way as the internal structure of the first signal line 3, the shielding lines include a first shielding line 24, a second shielding line 8, a third shielding line 9, a fourth shielding line 10 and a fifth shielding line 11, the first shielding line 24 is internally provided with a second copper wire 26 in a matching way, the second copper wire 26 is externally provided with an electric shielding layer 21 in a matching way, the electric shielding layer 21 is externally provided with an insulating rubber sleeve 22 in a wrapping way, the first shielding line 24, the second shielding line 8, the third shielding line 9, the fourth shielding line 10 and the fifth shielding line 11 are arranged in the cable body 1 and are connected with the first signal line 3, the second signal line 4, the third signal line 5, the fourth signal line 6 and the fifth signal line 7, the isolation layer 13 is wrapped around the first signal line 3, the second signal line 4, the third signal line 5, the fourth signal line 6 and the fifth signal line 7, The fire-retardant wrapping tape 15 is arranged outside the isolation layer 13, an insulation sleeve layer 14 is further arranged between the isolation layer 13 and the fire-retardant wrapping tape 15 in a matched mode, the filling material of the small filling layer 23 is polypropylene, and the filling material of the total filling layer 12 is cross-linked polyethylene used for high-voltage cables.
When the utility model works: when the grounding cable 2 is installed, an insulating layer 17 is sleeved outside a copper conductor 16, a magnetic shielding layer 18 is sleeved outside the insulating layer 17, the other four copper conductors 16 are sequentially sleeved, the four sleeved copper conductors 16 are fixed through a sheath layer 19, the vacant part is filled through a small filling layer 23, so that the grounding cable 2 is installed, when a first signal wire 3 is installed, an insulating sheath 20 is wound outside the first copper conductor 25, a second signal wire 4, a third signal wire 5, a fourth signal wire 6 and a fifth signal wire 7 are sequentially wound, so that the first signal wire 3, the second signal wire 4, the third signal wire 5, the fourth signal wire 6 and the fifth signal wire 7 are installed, when a first shielding wire 24 is installed, an electric shielding layer 21 is sleeved outside a second copper conductor 26, and an insulating rubber sleeve 22 is wound outside the electric shielding layer 21, the second shielding wire 8, the third shielding wire 9, the fourth shielding wire 10 and the fifth shielding wire 11 are sequentially sleeved, after the sleeving is completed, the grounding cable 2 is fixed at the center position inside the cable body 1, all the signal wires are sequentially arranged around the outer part of the grounding cable 2 and connected, all the shielding wires are arranged in the vacant areas of the joints of the first signal wire 3, the second signal wire 4, the third signal wire 5, the fourth signal wire 6 and the fifth signal wire 7, the isolating layer 13 is wound around the outer parts of the first signal wire 3, the second signal wire 4, the third signal wire 5, the fourth signal wire 6 and the fifth signal wire 7, the insulating sleeve layer 14 is wound outside the isolating layer 13, and the flame-retardant 15 is wound outside the insulating sleeve layer 14, 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 (7)
1. The utility model provides an electromagnetic signal shielded cable with strong shielding effect of high performance, includes cable body (1), its characterized in that: the cable comprises a cable body (1), wherein a grounding cable (2) is arranged inside the cable body (1), a first signal wire (3), a second signal wire (4), a third signal wire (5), a fourth signal wire (6) and a fifth signal wire (7) are arranged on the outer side of the grounding cable (2) in a matched mode, shielding wires are arranged between the outer sides of the first signal wire (3), the second signal wire (4), the third signal wire (5), the fourth signal wire (6) and the fifth signal wire (7) in a matched mode, a total filling layer (12) is further arranged between each signal wire and each shielding wire in a matched mode, an isolation layer (13) is wound on the outer side of the total filling layer (12), an insulation sleeve layer (14) and a flame-retardant wrapping tape (15) are wound on the outer side of the isolation layer (13), and an armor wrapping tape (27) is arranged on the outer side of the flame-retardant wrapping tape (15).
2. An electromagnetic signal shielding cable with high performance and strong shielding effect as claimed in claim 1, wherein: the ground cable (2) is internally provided with copper conductors (16) in a matching manner, the copper conductors (16) are provided with five copper conductors in a matching manner, the outside of each copper conductor (16) is provided with an insulating layer (17) in a matching manner, the outside of the insulating layer (17) is provided with a magnetic shielding layer (18), a small filling layer (23) is arranged between each copper conductor (16) and the insulating layer (17) in a matching manner, the outer side of the small filling layer (23) is wound with a sheath layer (19), and the ground cable (2) is arranged at the central position inside the cable body (1) and is connected and fixed with one side of a first signal line (3), a second signal line (4), a third signal line (5), a fourth signal line (6) and a fifth signal line (7).
3. An electromagnetic signal shielding cable with high performance and strong shielding effect as claimed in claim 1, wherein: first signal line (3) inside cooperation is provided with first copper conductor (25), and first copper conductor (25) comprise a plurality of thin copper wires, first copper conductor (25) outside scribbles insulating varnish (28), the outside cooperation of insulating varnish (28) is provided with insulating sheath (20).
4. An electromagnetic signal shielding cable with high performance and strong shielding effect as claimed in claim 1 or 3, wherein: the second signal line (4), the third signal line (5), the fourth signal line (6), the fifth signal line (7) and the first signal line (3) are arranged around the inside of the cable body (1), and the internal structures of the second signal line (4), the third signal line (5), the fourth signal line (6), the fifth signal line (7) and the first signal line (3) are in the same configuration.
5. An electromagnetic signal shielding cable with high performance and strong shielding effect as claimed in claim 1, wherein: the shielding wire comprises a first shielding wire (24), a second shielding wire (8), a third shielding wire (9), a fourth shielding wire (10) and a fifth shielding wire (11), wherein the first shielding wire (24) is internally provided with a second copper wire (26), the second copper wire (26) is externally provided with an electric shielding layer (21) in a matching way, the outside of the electric shielding layer (21) is provided with an insulating rubber sleeve (22) around the package, and the first shielding wire (24), the second shielding wire (8), the third shielding wire (9), the fourth shielding wire (10) and the fifth shielding wire (11) are arranged inside the cable body (1) and are connected with the first signal wire (3), the second signal wire (4), the third signal wire (5), the fourth signal wire (6) and the fifth signal wire (7).
6. An electromagnetic signal shielding cable with high performance and strong shielding effect as claimed in claim 1, wherein: the isolation layer (13) is wrapped around the outsides of the first signal line (3), the second signal line (4), the third signal line (5), the fourth signal line (6), the fifth signal line (7), the first shielding line (24), the second shielding line (8), the third shielding line (9), the fourth shielding line (10) and the fifth shielding line (11), the flame-retardant wrapping tape (15) is arranged outside the isolation layer (13), and an insulating sleeve layer (14) is further arranged between the isolation layer (13) and the flame-retardant wrapping tape (15) in a matched mode.
7. An electromagnetic signal shielding cable with high performance and strong shielding effect as claimed in claim 2, wherein: the filling material of the small filling layer (23) is polypropylene ethylene, and the filling material of the total filling layer (12) is cross-linked polyethylene used for high-voltage cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283772.9U CN216161484U (en) | 2021-09-22 | 2021-09-22 | Electromagnetic signal shielding cable with high-performance and strong shielding effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283772.9U CN216161484U (en) | 2021-09-22 | 2021-09-22 | Electromagnetic signal shielding cable with high-performance and strong shielding effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216161484U true CN216161484U (en) | 2022-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122283772.9U Active CN216161484U (en) | 2021-09-22 | 2021-09-22 | Electromagnetic signal shielding cable with high-performance and strong shielding effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216161484U (en) |
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2021
- 2021-09-22 CN CN202122283772.9U patent/CN216161484U/en active Active
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