CN111276293A - Anti-interference method of round cable based on multiple shielding - Google Patents
Anti-interference method of round cable based on multiple shielding Download PDFInfo
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- CN111276293A CN111276293A CN201811471933.3A CN201811471933A CN111276293A CN 111276293 A CN111276293 A CN 111276293A CN 201811471933 A CN201811471933 A CN 201811471933A CN 111276293 A CN111276293 A CN 111276293A
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- layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/1033—Screens specially adapted for reducing interference from external sources composed of a wire-braided conductor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
- H01B7/1815—Protections not provided for in groups H01B7/182 - H01B7/26 composed of longitudinal inserts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses an anti-interference method of a circular cable based on multiple shielding, wherein the cable is provided with N wire cores (9) which are circumferentially arranged, an insulating isolation layer (8) is arranged outside each wire core, and an outer skin layer (7) which plays a role in signal shielding is arranged on the outer layer of each isolation layer; n is an integer, and N > 4; the cable is provided with a protective layer part wrapping all the wire cores, and the inner layer of the protective layer part is a shielding layer (4) made of metal; the shielding layer and the outer skin layer play a shielding role; positioning clapboards for fixing the wire cores are arranged at equal intervals along the axial direction of the round cable; the positioning clapboard is provided with a bracket (6) for supporting; the support divides the partition into N compartments, each compartment being for passing through one core module. The anti-interference method of the round cable based on the multiple shields is easy to implement and good in anti-interference effect.
Description
Technical Field
The invention relates to an anti-interference method of a circular cable based on multiple shielding.
Background
When the cable transmits data, the cable is easily subjected to continuous electromagnetic interference or other sudden pulse interference, so that data distortion is caused. However, in this way, the anti-interference effect is limited, and therefore, a new anti-interference method based on a multi-shielded circular cable is needed to be designed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an anti-interference method of a circular cable based on multiple shielding, and the anti-interference method of the circular cable based on multiple shielding has an obvious anti-interference effect.
The technical solution of the invention is as follows:
an anti-interference method based on a multi-shielding circular cable is characterized in that the cable is provided with N wire cores (9) which are circumferentially arranged, an insulating isolation layer (8) is arranged outside each wire core, and an outer skin layer (7) which plays a role in signal shielding is arranged on the outer layer of each isolation layer;
n is an integer, and N > 4;
the cable is provided with a protective layer part wrapping all the wire cores, and the inner layer of the protective layer part is a shielding layer (4) made of metal;
the shielding layer and the outer skin layer play a shielding role;
positioning clapboards for fixing the wire cores are arranged at equal intervals along the axial direction of the round cable; the positioning clapboard is provided with a bracket (6) for supporting; the support divides the partition into N compartments, each compartment being for passing through one core module.
The bracket is a metal bracket, and a partition between the bracket and the outer skin layer is filled with a conductive substance, so that the positioning partition plate and the outer skin layer can be electrically conducted; the positioning partition plate also plays a role in shielding the wire core.
The shielding layer (4) is bonded with the outer side wall of the bracket through conductive adhesive.
The outer layer of the outer sheath is provided with a fireproof layer.
The shielding layer is formed by winding metal wires.
N＝6。
The centre of the cable has a reinforcing rib (1).
In addition, the anti-interference cable comprises a reinforcing part positioned on the inner layer, a signal transmission part positioned on the middle layer and a protective layer part positioned on the outer layer; the cable connector also comprises a plurality of positioning clapboards (3) which are arranged at equal intervals along the length of the cable;
the signal transmission part comprises N wire core modules which are uniformly arranged along the circumferential direction of the cable; n is an integer, and N > 4;
the positioning clapboard is provided with a bracket (6) for supporting; the support divides the partition plate into N compartments, and each compartment is used for penetrating one wire core module;
the wire core module comprises a wire core (9), an isolation layer (8) and an outer skin layer (7); the outer skin layer is a metal mesh shielding layer; the isolation layer is an insulating layer; the isolation layer is sleeved on the outer surface of the wire core, and the outer skin layer is sleeved on the outer surface of the isolation layer;
a conductive substance is filled in a compartment between the bracket and the outer skin layer; the inner sheath is made of conductive materials.
The reinforcing part comprises a reinforcing rib (1) and an inner sheath (2) sleeved on the outer layer of the reinforcing rib.
The sheath part comprises an inner shielding layer (4) and an outer sheath (5).
The shielding layer (4) is bonded with the outer side wall of the bracket through conductive adhesive.
The outer layer of the outer sheath is provided with a fireproof layer.
The shielding layer is formed by winding metal wires.
The bracket is a metal bracket;
the support comprises an inner ring, an outer ring and a radial connecting rod for connecting the inner ring and the outer ring.
N＝6。
Advantageous effects
The anti-interference method of the round cable based on the multiple shielding adopts the triple shielding to realize the anti-interference effect:
(1) the cable is provided with a protective layer part wrapping all the wire cores, and the inner layer of the protective layer part is a shielding layer made of metal materials and plays a role in first-layer shielding;
(2) the compartment of the bracket is filled with conductive materials to play a role in shielding the second layer;
(3) the outer layer of the insulating layer of the wire core is an outer skin layer with a signal shielding effect and is a third layer of shielding.
(4) Moreover, the three shielding layers can be combined into a whole through the conductive adhesive and the conductive filling material, and in the actual connection, the shielding layers are connected with the ground, so that the shielding effect is better.
(5) In addition, the positioning compartment and the support therein can play a limiting role to prevent the winding of the wire core.
In conclusion, the anti-interference method based on the multi-shielding circular cable is easy to implement and has an excellent shielding effect.
Drawings
FIG. 1 is a schematic cross-sectional view of a round cable;
FIG. 2 is a schematic longitudinal cross-sectional view of a round cable;
fig. 3 is a schematic view of a stent structure.
Description of reference numerals: the cable comprises, by weight, 1-reinforcing ribs, 2-inner sheaths, 3-positioning partition plates, 4-shielding layers, 5-outer sheaths, 6-stents, 7-outer skin layers, 8-isolating layers and 9-wire cores.
Detailed Description
The invention will be described in further detail below with reference to the following figures and specific examples:
example 1: referring to fig. 1-3, an anti-interference method for a circular cable based on multiple shielding is disclosed, the cable has 6 circumferentially arranged cores 9, an insulating isolation layer 8 is arranged outside the cores, and an outer skin layer 7 for signal shielding is arranged outside the isolation layer;
the cable is provided with a protective layer part wrapping all the wire cores, and the inner layer of the protective layer part is a shielding layer 4 made of metal;
the shielding layer and the outer skin layer play a shielding role;
positioning clapboards for fixing the wire cores are arranged at equal intervals along the axial direction of the round cable; the positioning clapboard is provided with a bracket 6 for supporting; the support divides the partition into 6 compartments, each for passing through one core module.
The bracket is a metal bracket, and a partition between the bracket and the outer skin layer is filled with a conductive substance, so that the positioning partition plate and the outer skin layer can be electrically conducted; the positioning partition plate also plays a role in shielding the wire core.
The shielding layer 4 is adhered to the outer side wall of the bracket through conductive adhesive.
The outer layer of the outer sheath is provided with a fireproof layer.
The shielding layer is formed by winding metal wires.
The centre of the cable has a reinforcing rib 1.
Correspondingly, the anti-interference cable comprises a reinforcing part positioned on an inner layer, a signal transmission part positioned on an intermediate layer and a protective layer part positioned on an outer layer; the cable connector also comprises a plurality of positioning clapboards 3 which are arranged at equal intervals along the length of the cable;
the signal transmission part comprises N wire core modules which are uniformly arranged along the circumferential direction of the cable; n is an integer, and N > 4;
the positioning clapboard is provided with a bracket 6 for supporting; the support divides the partition plate into N compartments, and each compartment is used for penetrating one wire core module;
the wire core module comprises a wire core 9, an isolating layer 8 and an outer skin layer 7; the outer skin layer is a metal mesh shielding layer; the isolation layer is an insulating layer; the isolation layer is sleeved on the outer surface of the wire core, and the outer skin layer is sleeved on the outer surface of the isolation layer;
a conductive substance is filled in a compartment between the bracket and the outer skin layer; the inner sheath is made of conductive materials.
The reinforcing part comprises a reinforcing rib 1 and an inner sheath 2 sleeved on the outer layer of the reinforcing rib.
The sheath portion comprises an inner shielding layer 4 and an outer sheath 5.
The shielding layer 4 is adhered to the outer side wall of the bracket through conductive adhesive.
The outer layer of the outer sheath is provided with a fireproof layer.
The shielding layer is formed by winding metal wires.
The bracket is a metal bracket;
the support comprises an inner ring, an outer ring and a radial connecting rod for connecting the inner ring and the outer ring.
Claims (7)
1. An anti-interference method of a circular cable based on multiple shielding is characterized in that the cable is provided with N wire cores (9) which are circumferentially arranged, an insulating isolation layer (8) is arranged outside each wire core, and an outer skin layer (7) which plays a role in signal shielding is arranged on the outer layer of each isolation layer;
n is an integer, and N > 4;
the cable is provided with a protective layer part wrapping all the wire cores, and the inner layer of the protective layer part is a shielding layer (4) made of metal; the shielding layer and the outer skin layer play a shielding role;
positioning clapboards for fixing the wire cores are arranged at equal intervals along the axial direction of the round cable; the positioning clapboard is provided with a bracket (6) for supporting; the support divides the partition into N compartments, each compartment being for passing through one core module.
2. The round cable multiple-shielding-based anti-interference method according to claim 1, wherein the support is a metal support, and a conductive material is filled in a compartment between the support and the outer sheath layer, so that the positioning partition plate and the outer sheath layer can be electrically conducted; the positioning partition plate also plays a role in shielding the wire core.
3. The anti-interference method for the circular cable based on multiple shields is characterized in that the shielding layer (4) is adhered to the outer side wall of the bracket through a conductive adhesive.
4. A method for resisting interference based on multiple shielded round cables according to claim 3, characterized in that the outer layer of the outer sheath is provided with a fire-proof layer.
5. The round cable multi-shield based interference rejection method as claimed in claim 3, wherein said shield layer is formed by winding a metal wire.
6. The round multi-shield based cable interference rejection method of any one of claims 1-5, wherein N-6.
7. The method for the interference rejection of a round cable based on multiple shields according to any of claim 6, characterized in that the center of the cable has a reinforcement rib (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471933.3A CN111276293A (en) | 2018-12-04 | 2018-12-04 | Anti-interference method of round cable based on multiple shielding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471933.3A CN111276293A (en) | 2018-12-04 | 2018-12-04 | Anti-interference method of round cable based on multiple shielding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111276293A true CN111276293A (en) | 2020-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811471933.3A Withdrawn CN111276293A (en) | 2018-12-04 | 2018-12-04 | Anti-interference method of round cable based on multiple shielding |
Country Status (1)
| Country | Link |
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| CN (1) | CN111276293A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374200Y (en) * | 2009-01-14 | 2009-12-30 | 山东兖矿集团长龙电缆制造有限公司 | Special cable for mining transducer |
| CN201590272U (en) * | 2009-09-01 | 2010-09-22 | 深圳市联嘉祥科技股份有限公司 | Outdoor exposed laying security monitoring combined cable |
| WO2012132076A1 (en) * | 2011-03-28 | 2012-10-04 | 住友電装株式会社 | Partition-attached shield pipe and wire protection structure for end section thereof |
| CN204596474U (en) * | 2014-10-16 | 2015-08-26 | 上海安泊瑞电气有限公司 | Control cables |
| CN207319768U (en) * | 2017-11-11 | 2018-05-04 | 广东宏展电缆有限公司 | A kind of multicore cable with hooking structure |
| CN108847310A (en) * | 2018-07-26 | 2018-11-20 | 扬州市新天河绳业有限公司 | A kind of six strands of woven cables of novel high-strength |
-
2018
- 2018-12-04 CN CN201811471933.3A patent/CN111276293A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374200Y (en) * | 2009-01-14 | 2009-12-30 | 山东兖矿集团长龙电缆制造有限公司 | Special cable for mining transducer |
| CN201590272U (en) * | 2009-09-01 | 2010-09-22 | 深圳市联嘉祥科技股份有限公司 | Outdoor exposed laying security monitoring combined cable |
| WO2012132076A1 (en) * | 2011-03-28 | 2012-10-04 | 住友電装株式会社 | Partition-attached shield pipe and wire protection structure for end section thereof |
| CN204596474U (en) * | 2014-10-16 | 2015-08-26 | 上海安泊瑞电气有限公司 | Control cables |
| CN207319768U (en) * | 2017-11-11 | 2018-05-04 | 广东宏展电缆有限公司 | A kind of multicore cable with hooking structure |
| CN108847310A (en) * | 2018-07-26 | 2018-11-20 | 扬州市新天河绳业有限公司 | A kind of six strands of woven cables of novel high-strength |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200612 |
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| WW01 | Invention patent application withdrawn after publication |