CN111276290A - Cable anti-interference method - Google Patents
Cable anti-interference method Download PDFInfo
- Publication number
- CN111276290A CN111276290A CN201811471934.8A CN201811471934A CN111276290A CN 111276290 A CN111276290 A CN 111276290A CN 201811471934 A CN201811471934 A CN 201811471934A CN 111276290 A CN111276290 A CN 111276290A
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- Prior art keywords
- layer
- shielding
- cable
- limiting
- interference
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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
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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
-
- 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
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- Insulated Conductors (AREA)
Abstract
The invention discloses an anti-interference method for a cable, wherein the cable is provided with N circumferentially arranged wire cores (9), an insulating isolation layer (8) is arranged outside each wire core, and an outer skin layer (7) playing 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. The cable anti-interference method is easy to implement and good in anti-interference effect.
Description
Technical Field
The invention relates to a cable anti-interference method.
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 method for resisting interference of the cable needs to be designed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an anti-interference method for a cable, which is easy to implement and has an obvious anti-interference effect.
The technical solution of the invention is as follows:
correspondingly, the anti-interference method for the cable comprises the following steps 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.
The wire core is arranged in the limiting layer (3), and the limiting layer is in a fan frame shape; the limiting layer is made of a conductive material; the limiting layer is filled with conductive materials, so that the limiting layer and the outer skin layer can be electrically conducted; the limiting layer plays a role in shielding the wire core.
Conductive adhesive is coated between the shielding layer (4) and the limiting layer.
The outer layer of the outer sheath is provided with a fireproof layer. The shielding layer is formed by winding metal wires. N is 6. The center of the cable is provided with a reinforcing rib (1).
An anti-interference round cable comprises a reinforcing part positioned on an inner layer, a signal transmission part positioned on an intermediate layer and a protective layer positioned on an outer layer;
the signal transmission part comprises N signal transmission modules which are arranged along the circumferential direction of the anti-interference circular cable; n is an integer, and N > 4;
the signal transmission part comprises a fan-shaped frame-shaped limiting layer (3), and a wire core module is arranged in a cavity in the limiting layer; 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 between the inner wall of the limiting layer 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).
Conductive adhesive is coated between the shielding layer (4) and the limiting layer.
The outer layer of the outer sheath is provided with a fireproof layer.
The shielding layer is formed by winding metal wires.
N＝6。
Advantageous effects
The cable anti-interference method of the invention adopts 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 limiting layer is made of a conductive material and plays 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 limiting layer in the shape of the sash frame can play a limiting role, and the winding of the wire core is prevented.
In conclusion, the method for resisting the interference of the cable is easy to implement and has excellent shielding effect.
Drawings
Fig. 1 is a schematic cross-sectional view of a round cable.
Description of reference numerals: the cable comprises, by weight, 1-reinforcing ribs, 2-an inner sheath, 3-a limiting layer, 4-a shielding layer, 5-an outer sheath, 6-a conductive substance, 7-an outer sheath layer, 8-an isolating layer and 9-a cable core.
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, a method for resisting interference of a cable, 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 shielding signals 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. The wire core is arranged in the limiting layer 3, and the limiting layer is in a fan frame shape; the limiting layer is made of a conductive material; the limiting layer is filled with conductive materials, so that the limiting layer and the outer skin layer can be electrically conducted; the limiting layer plays a role in shielding the wire core. Conductive adhesive is coated between the shielding layer 4 and the limiting layer. 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 round 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 signal transmission part comprises 6 signal transmission modules which are arranged along the circumferential direction of the anti-interference circular cable;
the signal transmission part comprises a fan-shaped frame-shaped limiting layer 3, and a wire core module is arranged in a cavity in the limiting layer; 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 6 is filled between the inner wall of the limiting layer 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.
Conductive adhesive is coated between the shielding layer 4 and the limiting layer.
The outer layer of the outer sheath is provided with a fireproof layer.
The shielding layer is formed by winding metal wires.
Claims (7)
1. The anti-interference method for the 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.
2. The method for resisting interference of the cable according to claim 1, wherein the wire core is arranged in a limiting layer (3), and the limiting layer is of a fan frame shape; the limiting layer is made of a conductive material; the limiting layer is filled with conductive materials, so that the limiting layer and the outer skin layer can be electrically conducted; the limiting layer plays a role in shielding the wire core.
3. The method for resisting interference of cables according to claim 2, characterized in that a conductive adhesive is coated between the shielding layer (4) and the limiting layer.
4. A method of tamper-proofing a cable according to claim 3, wherein the outer layer of the outer jacket is provided with a fire-resistant layer.
5. A method according to claim 3, characterized in that the shielding is formed by winding a metal wire.
6. The method of any of claims 1-5, wherein N-6.
7. Method for the tamper resistance of cables according to any of claims 6, characterized in that the cable has a reinforcement (1) in the centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471934.8A CN111276290A (en) | 2018-12-04 | 2018-12-04 | Cable anti-interference method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471934.8A CN111276290A (en) | 2018-12-04 | 2018-12-04 | Cable anti-interference method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111276290A true CN111276290A (en) | 2020-06-12 |
Family
ID=70999896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811471934.8A Withdrawn CN111276290A (en) | 2018-12-04 | 2018-12-04 | Cable anti-interference method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111276290A (en) |
Citations (9)
| 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 |
| CN203882681U (en) * | 2014-03-22 | 2014-10-15 | 安徽旺达铜业发展有限公司 | Explosion-proof cable |
| CN204596474U (en) * | 2014-10-16 | 2015-08-26 | 上海安泊瑞电气有限公司 | Control cables |
| CN206349174U (en) * | 2016-12-23 | 2017-07-21 | 江苏火凤凰线缆系统技术股份有限公司 | A kind of robot cable with sector structure |
| 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 |
| CN207624434U (en) * | 2017-11-24 | 2018-07-17 | 江苏华能电缆股份有限公司 | A kind of acid and alkali-resistance high temperature-proof cement mortar infiltration intelligence equipment charge bearing detecting cable |
| 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 CN201811471934.8A patent/CN111276290A/en not_active Withdrawn
Patent Citations (9)
| 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 |
| CN203882681U (en) * | 2014-03-22 | 2014-10-15 | 安徽旺达铜业发展有限公司 | Explosion-proof cable |
| CN204596474U (en) * | 2014-10-16 | 2015-08-26 | 上海安泊瑞电气有限公司 | Control cables |
| CN206349174U (en) * | 2016-12-23 | 2017-07-21 | 江苏火凤凰线缆系统技术股份有限公司 | A kind of robot cable with sector structure |
| 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 |
| CN207624434U (en) * | 2017-11-24 | 2018-07-17 | 江苏华能电缆股份有限公司 | A kind of acid and alkali-resistance high temperature-proof cement mortar infiltration intelligence equipment charge bearing detecting cable |
| 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 | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200612 |
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| WW01 | Invention patent application withdrawn after publication |