CN109599229A - A method of realizing cable electromagnetic compatibility - Google Patents
A method of realizing cable electromagnetic compatibility Download PDFInfo
- Publication number
- CN109599229A CN109599229A CN201811527791.8A CN201811527791A CN109599229A CN 109599229 A CN109599229 A CN 109599229A CN 201811527791 A CN201811527791 A CN 201811527791A CN 109599229 A CN109599229 A CN 109599229A
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- Prior art keywords
- cable
- electromagnetic compatibility
- core
- realizing
- casing
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Classifications
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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
-
- 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
- H01B13/221—Sheathing; Armouring; Screening; Applying other protective layers filling-up interstices
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
A method of it realizing cable electromagnetic compatibility, includes the following steps, the cable outer layer rubber at cable access device is peeled off；Special electromagnetic shielding gum cover is covered at the peeling of the cable, it is desirable that the gum cover is formed with cable outer layer rubber, cable shield and casing and is interference fitted.By utilizing multilayer screen medium, the effectiveness of cable itself is improved；Equipment is coupled to the electromagnetic noise on cable shielding layer with being introduced directly into casing when working, also prevented electromagnetic noise in machine and radiated by the gap of cable and casing.Improve the Electro Magnetic Compatibility of equipment, improve and realize percent of pass, shorten the equipment R&D cycle and reduces research and development cost.
Description
Technical field
The invention belongs to power, communication transmission field more particularly to a kind of realization cable electromagnetic compatibility methods.
Background technique
EMC Requirements are one mostly important requirement of experiment of current military industry equipment industry, for the electromagnetism for meeting equipment
Compatible performance, research staff often put into very big research and development time and funds in terms of designing with experimental verification.And electromagnetic compatibility
Experiment can't pass, very big factor be due to machine inside electromagnetic noise come out by complete machine cable coupling firing, therefore cable sheet
Body is with very strong shielding properties and equipment good seal can significantly improve the Electro Magnetic Compatibility of complete machine.
Summary of the invention
It is an object of the present invention in view of the above-mentioned problems, propose a kind of method for realizing cable electromagnetic compatibility.
A method of realizing cable electromagnetic compatibility, which comprises the steps of:
S1: at cable access device, cable outer layer rubber is peeled off；
S2: special electromagnetic shielding gum cover is covered at the peeling of the cable, it is desirable that the gum cover and cable outer layer rubber,
Cable shield and casing form interference fit.
A kind of method for realizing cable electromagnetic compatibility, which is characterized in that the front and back of the gum cover respectively with cable
The unilateral interference fit 0.15-0.25mm in rubber border, play the role of waterproof sealing；The intermediate step and cable of the gum cover
The unilateral interference fit 0.15-0.25mm in shielded layer border, the gum cover surrounding are made unilateral 0.15-0.25mm interference with casing again and are matched
It closes, can guarantee that cable shielding layer overlaps completely with casing in this way, equipment is coupled to the electromagnetic noise on cable shielding layer when working
Casing can be introduced directly into, also prevented electromagnetic noise in machine to radiate by the gap of cable and casing.
A kind of method for realizing cable electromagnetic compatibility, which is characterized in that the cable is mainly by one or more groups of
Cable core and its first clad (4) successively wrapped up from inside to outside, the second clad (5) and third clad (6) composition.
A kind of method for realizing cable electromagnetic compatibility, which is characterized in that the seal rubber sleeve center is equipped with through-hole
(1), the middle part of the through-hole (1) is equipped with the step (2) of protrusion.
A kind of method for realizing cable electromagnetic compatibility, which is characterized in that the cable is by cable core and clad group
At, cable core is divided into twisted pair and sub-thread type, and twisted pair cable core includes that at least 2 cores, core is coated with core rubber,
Outer layer is coated with aluminium foil again, and sub-thread type cable core includes 1 core, and core is coated with core rubber, and outer layer is again with anti-wave sleeve packet
It covers；The clad has three layers, and the first clad (4) is aluminium foil, and the second clad (5) is anti-wave sleeve, and third clad (6) is
Outer layer rubber.
A kind of method for realizing cable electromagnetic compatibility, which is characterized in that the seal rubber sleeve uses electric silica gel
Its surface is made and releases resistance < 1 ohm.
A kind of method for realizing cable electromagnetic compatibility, which is characterized in that the seal rubber sleeve structure can be side
Shape or other shapes, subject to casing opening.
A kind of method for realizing cable electromagnetic compatibility, which is characterized in that the hardness 50-70 of the seal rubber sleeve
Degree.
Beneficial effects of the present invention: utilizing multilayer screen medium, improves the effectiveness of cable itself, and in cable
Using the electromagnetic sealing gum cover designed with special construction when access device, it had not only been able to achieve the seamless seal of electromagnetism, but also can guarantee
Waterproof performance.Equipment is coupled to the electromagnetic noise on cable shielding layer with being introduced directly into casing when working, also prevented in machine
Electromagnetic noise is radiated by the gap of cable and casing.
Detailed description of the invention
Fig. 1 is double shielded twisted pair cable schematic diagram.
Fig. 2 is double shielded cable schematic diagram.
Fig. 3 is gum cover and cable matching chart.
Fig. 4 is rectangular electromagnetic sealing gum cover structural schematic diagram.
1- core in figure, 2- core rubber, 3- aluminium foil, the first clad of 4-, the second clad of 5-, 6- third clad,
7- anti-wave sleeve, 8- through-hole, 9- step.
Specific embodiment
A method of realizing cable electromagnetic compatibility, which is characterized in that a kind of method packet for realizing electromagnetic compatibility
Include following steps:
S1: at cable access device, cable outer layer rubber is peeled off；
S2: special electromagnetic shielding gum cover is covered at the peeling of the cable, it is desirable that the gum cover and cable outer layer rubber,
Cable shield and casing form interference fit.
In the present embodiment, a kind of method for realizing cable electromagnetic compatibility, which is characterized in that the front and back of the gum cover
Respectively with the unilateral interference fit 0.15-0.25mm in the rubber border of cable, play the role of waterproof sealing；The centre of the gum cover
Step and the unilateral interference fit 0.15-0.25mm in cable shielding layer border, the gum cover surrounding make unilateral 0.15- with casing again
0.25mm interference fit can guarantee that cable shielding layer overlaps completely with casing in this way, and equipment is coupled to cable shielding layer when working
On electromagnetic noise with being introduced directly into casing, also prevented electromagnetic noise in machine and given off by the gap of cable and casing
Come.
In the present embodiment, a kind of method for realizing cable electromagnetic compatibility, which is characterized in that the cable mainly by
One or more groups of cable cores and its first clad (4) successively wrapped up from inside to outside, the second clad (5) and third clad
(6) it forms.
In the present embodiment, a kind of method for realizing cable electromagnetic compatibility, which is characterized in that in the seal rubber sleeve
The heart is equipped with through-hole (8), and the middle part of the through-hole (8) is equipped with the step (9) of protrusion.
In the present embodiment, a kind of method for realizing cable electromagnetic compatibility, which is characterized in that the cable is by cable core
It is formed with clad, cable core is divided into twisted pair and sub-thread type, and twisted pair cable core includes at least 2 cores (1), core (1)
It is coated with core rubber (2), outer layer uses aluminium foil (3) to coat again, and sub-thread type cable core includes 1 core (1), core (1) outsourcing
It is covered with core rubber (2), outer layer uses anti-wave sleeve (7) to coat again；The clad has three layers, and the first clad (4) is aluminium foil, the
Two clads (5) are anti-wave sleeve, and third clad (6) is outer layer rubber.
In the present embodiment, a kind of method for realizing cable electromagnetic compatibility, which is characterized in that the seal rubber sleeve is adopted
Its surface is made with electric silica gel and releases resistance < 1 ohm.
In the present embodiment, a kind of method for realizing cable electromagnetic compatibility, which is characterized in that the sealant noose
Structure can be rectangular or other shapes, subject to casing opening.
In the present embodiment, a kind of method for realizing cable electromagnetic compatibility, which is characterized in that the seal rubber sleeve
Hardness 50-70 degree.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of method for realizing cable electromagnetic compatibility, which comprises the steps of:
S1: at cable access device, cable outer layer rubber is peeled off；
S2: special electromagnetic shielding gum cover is covered at the peeling of the cable, it is desirable that the gum cover and cable outer layer rubber,
Cable shield and casing form interference fit.
2. a kind of method for realizing cable electromagnetic compatibility according to claim 1, which is characterized in that the front and back of the gum cover
Respectively with the unilateral interference fit 0.15-0.25mm in the rubber border of cable, play the role of waterproof sealing；The centre of the gum cover
Step and the unilateral interference fit 0.15-0.25mm in cable shielding layer border, the gum cover surrounding make unilateral 0.15- with casing again
0.25mm interference fit can guarantee that cable shielding layer overlaps completely with casing in this way, and equipment is coupled to cable shielding layer when working
On electromagnetic noise with being introduced directly into casing, also prevented electromagnetic noise in machine and given off by the gap of cable and casing
Come.
3. a kind of method for realizing cable electromagnetic compatibility according to claim 1, which is characterized in that the cable mainly by
One or more groups of cable cores and its first clad (4) successively wrapped up from inside to outside, the second clad (5) and third clad
(6) it forms.
4. a kind of method for realizing cable electromagnetic compatibility according to claim 1, which is characterized in that in the seal rubber sleeve
The heart is equipped with through-hole (8), and the middle part of the through-hole (8) is equipped with the step (9) of protrusion.
5. a kind of method for realizing cable electromagnetic compatibility according to claim 3, which is characterized in that the cable is by cable core
It is formed with clad, cable core is divided into twisted pair and sub-thread type, and twisted pair cable core includes at least 2 cores (1), core (1)
It is coated with core rubber (2), outer layer uses aluminium foil (3) to coat again, and sub-thread type cable core includes 1 core (1), core (1) outsourcing
It is covered with core rubber (2), outer layer uses anti-wave sleeve (7) to coat again；The clad has three layers, and the first clad (4) is aluminium foil, the
Two clads (5) are anti-wave sleeve, and third clad (6) is outer layer rubber.
6. a kind of method for realizing cable electromagnetic compatibility according to claim 1, which is characterized in that the seal rubber sleeve is adopted
Its surface is made with electric silica gel and releases resistance < 1 ohm.
7. a kind of method for realizing cable electromagnetic compatibility according to claim 1, which is characterized in that the sealant noose
Structure can be rectangular or other shapes, subject to casing opening.
8. a kind of method for realizing cable electromagnetic compatibility according to claim 1, which is characterized in that the seal rubber sleeve
Hardness 50-70 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527791.8A CN109599229B (en) | 2018-12-13 | 2018-12-13 | Method for realizing electromagnetic compatibility of cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527791.8A CN109599229B (en) | 2018-12-13 | 2018-12-13 | Method for realizing electromagnetic compatibility of cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109599229A true CN109599229A (en) | 2019-04-09 |
| CN109599229B CN109599229B (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811527791.8A Active CN109599229B (en) | 2018-12-13 | 2018-12-13 | Method for realizing electromagnetic compatibility of cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697517A (en) * | 2020-07-01 | 2020-09-22 | 睿惢思工业科技（苏州）有限公司 | Manufacturing method of flexible cable shielding grounding device |
| CN112672628A (en) * | 2020-12-30 | 2021-04-16 | 西安开容电子技术有限责任公司 | Shielding device of rotating mechanism |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201774089U (en) * | 2010-05-08 | 2011-03-23 | 吕永锋 | Connector accessory with shielding and sealing structure |
| CN206225039U (en) * | 2016-11-29 | 2017-06-06 | 河南天海电器有限公司 | A kind of electric motor car high pressure aluminum or aluminum alloy wire harness |
-
2018
- 2018-12-13 CN CN201811527791.8A patent/CN109599229B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201774089U (en) * | 2010-05-08 | 2011-03-23 | 吕永锋 | Connector accessory with shielding and sealing structure |
| CN206225039U (en) * | 2016-11-29 | 2017-06-06 | 河南天海电器有限公司 | A kind of electric motor car high pressure aluminum or aluminum alloy wire harness |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697517A (en) * | 2020-07-01 | 2020-09-22 | 睿惢思工业科技（苏州）有限公司 | Manufacturing method of flexible cable shielding grounding device |
| CN112672628A (en) * | 2020-12-30 | 2021-04-16 | 西安开容电子技术有限责任公司 | Shielding device of rotating mechanism |
| CN112672628B (en) * | 2020-12-30 | 2023-03-10 | 西安开容电子技术有限责任公司 | Shielding device of rotating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109599229B (en) | 2021-03-12 |
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Effective date of registration: 20210224 Address after: Floor 12 and 13, building 3, 333 Yunhua Road, high tech Zone, Chengdu, Sichuan 610000 Applicant after: CHENGDU 30JAVEE MICROELECTRONICS Co.,Ltd. Address before: Building 2, 333 Yunhua Road, high tech Zone, Chengdu, Sichuan 610000 Applicant before: SICHUAN WEISHITONG INFORMATION SECURITY PLATFORM TECHNOLOGY Co.,Ltd. |
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