CN102385946A - Shielding wire and manufacturing method - Google Patents
Shielding wire and manufacturing method Download PDFInfo
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- CN102385946A CN102385946A CN2010102809474A CN201010280947A CN102385946A CN 102385946 A CN102385946 A CN 102385946A CN 2010102809474 A CN2010102809474 A CN 2010102809474A CN 201010280947 A CN201010280947 A CN 201010280947A CN 102385946 A CN102385946 A CN 102385946A
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- magnetic
- shielding
- shielding wire
- rubber
- conductor
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Abstract
The invention discloses a shielding wire, comprising a conductor and an insulating layer wrapping the conductor, wherein the materials of the insulating layer comprise necessary materials and selectable materials; and the necessary materials comprise one or two of magnetic powder, thermoplastic resin or rubber. The materials of the insulating layer of the shielding wire contain the magnetic powder; the magnetic powder is mixed together with one or two of other necessary materials such as the thermoplastic resin or the rubber and other selectable materials such as fillers, processing agents, antioxidants and coloring agents, and the mixture is extruded to form the insulating layer; and the insulating layer not only has an insulating function, but also has a shielding function due to the addition of the magnetic powder, and has a good electromagnetic shielding effect. In the shielding wire, the magnetic powder is added in the material of the insulating layer, the formula and the proportion of the materials are changed; and compared with the existing shielding wire with magnetic rings or a single shielding layer, both the process and the structure are simple, so that the production efficiency is improved and the manufacturing cost is reduced.
Description
Technical field
The present invention relates to a kind of shielding wire, relate in particular to a kind of simple in structure, low cost of manufacture, shielding wire that shield effectiveness is good.
Background technology
At present, the structure of existing shielding wire has two kinds: a kind of is conductor outsourcing insulating layer coating, adds a magnet ring in order to shield assorted signal at the end near electronic equipment; Another kind is a multi-layer compound structure, and conductor coats one deck insulating barrier outward, the outer magnetic shield that coats of this insulating barrier, and these patents such as Chinese patent are announced No. 1180440, Japan Patent open (JP-A) H11-185542 number.
Yet above-mentioned shielding wire has magnet ring or independent screen, complex structure not only, and because of having magnet ring or screen has increased production process, waste time and energy, production efficiency is low, manufacturing cost is high.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, manufacturing cost is low, shield effectiveness is good shielding wire and manufacturing approach.
For realizing above-mentioned purpose; The present invention provides a kind of shielding wire; Comprise conductor and the insulating barrier that coats this conductor, it is characterized in that: the material of said insulating barrier comprises must material and washability material, saidly must material comprises in magnetic and thermoplastic resin or the rubber one or both.
Said conductor is the bag insulated electric conductor.
Said washability material comprises filler, processing aid, antioxidant and colouring agent.
Said must material and washability material proportioning by weight be: 100 parts of one or both in thermoplastic resin or the rubber; Magnetic 10-900 part, filler are below 200 parts, and processing aid is below 100 parts; Antioxidant content is below 50 parts, and colouring agent is below 100 parts.
Said filler comprises one or more in calcium carbonate, aluminium hydroxide, the magnesium hydroxide.
Said processing aid comprises one or more in dolomol, the zinc stearate.
Said magnetic comprises one or more in Fe-Si-Al magnetic, MnZn magnetic or the nickel zinc magnetic.
Said granularity of magnet powder is more than 50 orders.
Preferably, said granularity of magnet powder is 1000 order to 3000 orders.
Said thermoplastic resin or rubber are one or more in ethene and the ethylene copolymer.
Said thermoplastic resin or rubber are one or more in ethylene-vinyl acetate copolymer (EVA), ethylene ethyl acrylate copolymer (EEA), low density polyethylene (LDPE) (LDPE), LLDPE (LLDPE), the ethylene propylene diene rubber (EPDM).
The present invention also provides the manufacturing approach of said shielding wire, comprising:
At first, said necessary material and said washability material mixing are formed compound,
Secondly, compound is processed masterbatch through extruding pelletization,
At last, adopt extruder that masterbatch and conductor compound extrusion moulding are formed electric wire.
The material of the insulating barrier of shielding wire of the present invention contains magnetic; In this magnetic and other essential material thermoplastic resins or the rubber one or both are mixed together, extrude the formation insulating barrier with other washability filling materials, processing aid, antioxidant and colouring agent; This insulating barrier not only has the function of insulation; And also make insulating barrier have the function of shielding because of adding magnetic, have advantages of favorable electromagnetic shielding effect.Shielding wire of the present invention has added magnetic in the material of insulating barrier; And changed the prescription and the ratio of its material, and compare with existing shielding wire with magnet ring or screen, still structurally all very simple on the technology; Thereby promoted production efficiency, reduced manufacturing cost.
Embodiment
By specifying technology contents of the present invention, formula rate, realized purpose and effect, give explanation below in conjunction with execution mode is detailed.
Shielding wire of the present invention comprises conductor and the insulating barrier that coats this conductor, and the manufactured materials of insulating barrier comprises must material and washability material, must material comprises in magnetic and thermoplastic resin or the rubber one or both.The washability material comprises filler, processing aid, antioxidant and colouring agent etc.
Insulating barrier manufactured materials formula rate by weight is following:
Necessary material:
100 parts of in thermoplastic resin or the rubber one or both; Thermoplastic resin or rubber are one or more in ethene and the ethylene copolymer; Ethene can be low density polyethylene (LDPE) (LDPE), LLDPE (LLDPE), and ethylene copolymer can be ethylene-vinyl acetate copolymer (EVA), ethylene ethyl acrylate copolymer (EEA), ethylene propylene diene rubber (EPDM).When adding multiple material, said content is the total content of various materials and proportioning between the various material is unrestricted;
Magnetic 10-900 part, magnetic comprise one or more in Fe-Si-Al magnetic, MnZn magnetic or the nickel zinc magnetic, and when adding multiple material, said content is the total content of various materials and proportioning between the various material is unrestricted; The granularity of magnetic can be chosen more than 50 orders, magnetic that can preferred 1000 order to 3000 order granularities;
The washability material:
Filler is below 200 parts, and filler comprises one or more in calcium carbonate, aluminium hydroxide, the magnesium hydroxide, and when adding multiple material, said content is the total content of various materials and proportioning between the various material is unrestricted;
The processing aid ratio can be chosen below 100 parts, and processing aid comprises one or more in dolomol, the zinc stearate, and when adding multiple material, said content is the total content of various materials and proportioning between the various material is unrestricted;
Antioxidant content can be chosen below 50 parts;
Colorant content can be chosen below 100 parts.
The manufacturing approach of shielding wire of the present invention comprises following production stage:
At first, said necessary material and said washability material mixing are formed compound;
Secondly, compound is processed masterbatch through extruding pelletization;
At last, adopt extruder that masterbatch and conductor compound extrusion moulding are formed electric wire.
Said conductor can be the bag insulated electric conductor.
When conductor was one, the electric wire of manufacturing at this moment was the electronics line.
When conductor is many, and these conductors are the bag insulated electric conductor, and at these conductor outsourcing insulating layer coatings with bag insulation, the electric wire of manufacturing at this moment is a cable again.
The material of the insulating barrier of shielding wire of the present invention contains magnetic; This magnetic and other essential material thermoplastic resins or rubber are mixed together, extrude the formation insulating barrier with other washability filling materials, processing aid, antioxidant and colouring agent; This insulating barrier not only has the function of insulation; And also make insulating barrier have the function of shielding because of adding magnetic, have advantages of favorable electromagnetic shielding effect.Shielding wire of the present invention has added magnetic in the material of insulating barrier; And changed the prescription and the ratio of its material, and compare with existing shielding wire with magnet ring or individually shielded layer, still structurally all very simple on the technology; Thereby promoted production efficiency, reduced manufacturing cost.
Shielding wire of the present invention is not limited to above-mentioned embodiment, and those skilled in the art that also can make multiple variation in view of the above, but any and shielding wire of the present invention are equal to or similar variation all should be encompassed in the scope of claim of the present invention.
Claims (12)
1. shielding wire comprises at least one conductor and the insulating barrier that coats these conductors, it is characterized in that: the material of said insulating barrier comprises must material and washability material, saidly must material comprises in magnetic and thermoplastic resin or the rubber one or both.
2. shielding wire as claimed in claim 1 is characterized in that: said conductor is the bag insulated electric conductor.
3. shielding wire as claimed in claim 1 is characterized in that: said washability material comprises filler, processing aid, antioxidant and colouring agent.
4. shielding wire as claimed in claim 3; It is characterized in that: said must material and washability material proportioning by weight be: 100 parts of one or both in thermoplastic resin or the rubber; Magnetic 10-900 part, filler are below 200 parts, and processing aid is below 100 parts; Antioxidant content is below 50 parts, and colouring agent is below 100 parts.
5. like claim 3 or 4 described shielding wires, it is characterized in that: said filler comprises one or more in calcium carbonate, aluminium hydroxide, the magnesium hydroxide.
6. like claim 3 or 4 described shielding wires, it is characterized in that: said processing aid comprises one or more in dolomol, the zinc stearate.
7. like claim 1,2, the shielding wire described in 3 or 4, it is characterized in that: said magnetic comprises one or more in Fe-Si-Al magnetic, MnZn magnetic or the nickel zinc magnetic.
8. shielding wire as claimed in claim 1 is characterized in that: said granularity of magnet powder is more than 50 orders.
9. like claim 1,2,3,4 or 8 described shielding wires, it is characterized in that: said granularity of magnet powder is 1000 order to 3000 orders.
10. like claim 1,2,3,4 or 8 described shielding wires, it is characterized in that: said thermoplastic resin or rubber are one or more in ethene and the ethylene copolymer.
11. like claim 1,2,3,4 or 8 described shielding wires, it is characterized in that: said thermoplastic resin or rubber are one or more in ethylene-vinyl acetate copolymer (EVA), ethylene ethyl acrylate copolymer (EEA), low density polyethylene (LDPE) (LDPE), LLDPE (LLDPE), the ethylene propylene diene rubber (EPDM).
12. the manufacturing approach like claim 1,2,3,4 or 8 described shielding wires comprises:
At first, said necessary material and said washability material mixing are formed compound;
Secondly, compound is processed masterbatch through extruding pelletization;
At last, adopt extruder that masterbatch and conductor compound extrusion moulding are formed electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102809474A CN102385946A (en) | 2010-09-04 | 2010-09-04 | Shielding wire and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102809474A CN102385946A (en) | 2010-09-04 | 2010-09-04 | Shielding wire and manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102385946A true CN102385946A (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102809474A Pending CN102385946A (en) | 2010-09-04 | 2010-09-04 | Shielding wire and manufacturing method |
Country Status (1)
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| CN (1) | CN102385946A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616746A (en) * | 2015-01-12 | 2015-05-13 | 江苏亨通线缆科技有限公司 | Aluminum alloy flexible cable suitable for construction |
| CN105321611A (en) * | 2014-06-10 | 2016-02-10 | 日立金属株式会社 | Noise suppression cable |
| CN106448875A (en) * | 2016-08-31 | 2017-02-22 | 同济大学 | Pulse-overvoltage-suppressing high voltage feed cable with embedded magnetic ring |
| CN108597693A (en) * | 2018-06-15 | 2018-09-28 | 无锡南方电工机械有限公司 | Cable shield machine and its control technique |
| CN113674921A (en) * | 2021-08-27 | 2021-11-19 | 广州新莱福磁材有限公司 | Preparation method of magnetic-attraction automatic-curling freely-stretching data line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5171937A (en) * | 1991-07-22 | 1992-12-15 | Champlain Cable Corporation | Metal-coated shielding materials and articles fabricated therefrom |
| CN1121632A (en) * | 1994-08-08 | 1996-05-01 | 住友电装株式会社 | Winding-type noise-suppressing high-tension resistive cord |
| JPH11203954A (en) * | 1998-01-19 | 1999-07-30 | Daido Steel Co Ltd | Low noise cable |
| CN2587044Y (en) * | 2002-10-22 | 2003-11-19 | 乐荣工业股份有限公司 | Twisted line |
| CN1967732A (en) * | 2005-11-17 | 2007-05-23 | 中国科学院电工研究所 | A power cable |
-
2010
- 2010-09-04 CN CN2010102809474A patent/CN102385946A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5171937A (en) * | 1991-07-22 | 1992-12-15 | Champlain Cable Corporation | Metal-coated shielding materials and articles fabricated therefrom |
| CN1121632A (en) * | 1994-08-08 | 1996-05-01 | 住友电装株式会社 | Winding-type noise-suppressing high-tension resistive cord |
| JPH11203954A (en) * | 1998-01-19 | 1999-07-30 | Daido Steel Co Ltd | Low noise cable |
| CN2587044Y (en) * | 2002-10-22 | 2003-11-19 | 乐荣工业股份有限公司 | Twisted line |
| CN1967732A (en) * | 2005-11-17 | 2007-05-23 | 中国科学院电工研究所 | A power cable |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105321611A (en) * | 2014-06-10 | 2016-02-10 | 日立金属株式会社 | Noise suppression cable |
| CN104616746A (en) * | 2015-01-12 | 2015-05-13 | 江苏亨通线缆科技有限公司 | Aluminum alloy flexible cable suitable for construction |
| CN107045899A (en) * | 2015-01-12 | 2017-08-15 | 江苏亨通线缆科技有限公司 | High-flexibility facilitates laid type alloy cable |
| CN106448875A (en) * | 2016-08-31 | 2017-02-22 | 同济大学 | Pulse-overvoltage-suppressing high voltage feed cable with embedded magnetic ring |
| CN106448875B (en) * | 2016-08-31 | 2018-07-13 | 同济大学 | The pulse surge of embedded magnet ring inhibits high-voltage feedback power cable |
| CN108597693A (en) * | 2018-06-15 | 2018-09-28 | 无锡南方电工机械有限公司 | Cable shield machine and its control technique |
| CN108597693B (en) * | 2018-06-15 | 2023-07-25 | 无锡南方电工机械有限公司 | Cable shielding machine and control process thereof |
| CN113674921A (en) * | 2021-08-27 | 2021-11-19 | 广州新莱福磁材有限公司 | Preparation method of magnetic-attraction automatic-curling freely-stretching data line |
| CN113674921B (en) * | 2021-08-27 | 2023-08-22 | 广州新莱福磁材有限公司 | Preparation method of magnetic automatic crimping and free stretching data line |
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Application publication date: 20120321 |