CN102831971B - Ultra-high temperature resistant low-noise cable - Google Patents
Ultra-high temperature resistant low-noise cable Download PDFInfo
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- CN102831971B CN102831971B CN201210314376.0A CN201210314376A CN102831971B CN 102831971 B CN102831971 B CN 102831971B CN 201210314376 A CN201210314376 A CN 201210314376A CN 102831971 B CN102831971 B CN 102831971B
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- pure nickel
- shielding layer
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- temperature resistant
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Abstract
The invention discloses an ultra-high temperature resistant low-noise cable, comprising a plurality of strands of pure nickel stranded conductors which are wrapped in the same pure nickel wire woven main shielding layer, wherein a composite outer protecting layer is wrapped outside the pure nickel wire woven main shielding layer; a semiconducting composite inner shielding layer, a composite insulating layer, a semiconducting composite outer shielding layer and a pure nickel wire woven sub-shielding layer are sequentially wrapped outside each strand of pure nickel stranded conductor. The ultra-high temperature resistant low-noise cable solves the problem that the low-noise cable has no ultra-high temperature resistance property in the prior art, solves the contradiction between low noise and high-temperature resistance requirement of the cable by the material selection, cable structure and proper process design, and provides a low-noise cable which can be used at 1000 DEG C for a long term.
Description
Technical field
The present invention relates to a kind of low noise cable, especially a kind of can the low noise cable of long-term work under 1000 ℃ of hyperthermal environments.
Background technology
Under the extraneous factor effects such as bending, vibration, impact, variations in temperature, cable itself will produce a certain amount of electrostatic signal (or claiming construction of cable noise), and the cable that conventionally construction of cable noise is less than to 5mV is referred to as low noise cable.Measure and all need to use low noise cable at the tiny signal in multiple fields such as industrial measurement and control, medical science, national defence.More common low noise cable has polyethylene insulation low noise cable, F46 insulation low noise cable, the low noise cable of resistance to irradiation, low electric capacity low noise cable, watertight low noise cable etc. at present, but lacks the low noise cable of superhigh temperature resistant grade.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of superhigh temperature resistant low noise cable, by the selection of structure and material, can long-term work under hyperthermal environments, and noise is low when work.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of superhigh temperature resistant low noise cable, comprises that multiply is all wrapped in the pure nickel stranded conductor in same pure nickel wire braided overall-shielding layer, and described pure nickel wire braided overall-shielding layer is also enclosed with compound outer jacket outward; Described per share pure nickel stranded conductor is all enclosed with the compound internal shield of semiconductive, composite insulation layer, the compound outer shielding layer of semiconductive and pure nickel wire woven separated-shielding layer outward successively.
Aforesaid superhigh temperature resistant low noise cable, is characterized in that: described compound outer jacket includes silicon oxide fibre silk braiding outer jacket and the first high temperature coating from inside to outside successively.
Aforesaid superhigh temperature resistant low noise cable, is characterized in that: the compound internal shield of described semiconductive includes the first semiconductive ceramic SiClx rubber layer and the first semiconductive silicon oxide fibre silk braid from inside to outside successively.
Aforesaid superhigh temperature resistant low noise cable, is characterized in that: described composite insulation layer includes mica wrapping insulation layer, silicon oxide fibre silk braiding insulating barrier and the second high temperature coating from inside to outside successively.
Aforesaid superhigh temperature resistant low noise cable, is characterized in that: the compound outer shielding layer of described semiconductive includes successively from inside to outside the second semiconductive ceramic SiClx rubber layer and the braiding of the second semiconductive silicon oxide fibre silk is covered.
Aforesaid superhigh temperature resistant low noise cable, is characterized in that: described the first semiconductive ceramic SiClx rubber layer and the second semiconductive ceramic SiClx rubber layer are extrusion type, and thickness is 0.2mm-1.5mm.
Aforesaid superhigh temperature resistant low noise cable, is characterized in that: described pure nickel wire woven separated-shielding layer adopts the pure nickel wire high-tension braiding that diameter is 0.08mm-0.25mm to form, and count is greater than 80%.
Aforesaid superhigh temperature resistant low noise cable, is characterized in that: described pure nickel wire braided overall-shielding layer and each pure nickel wire woven separated-shielding layer close contact.
The invention has the beneficial effects as follows: by adopting multiply pure nickel stranded conductor, in semiconductive is compound, outer shielding layer, composite insulation layer, pure nickel wire woven separated-shielding layer and total screen, the ad hoc structures such as compound outer jacket and technique, under normal temperature, there is the flexibility of ordinary silicon rubber cable, be easy to use and lay, in the time of 1000 ℃, due to the special construction design of selected materials characteristic and this cable, not only heatproof but also have firm structure of cable now, also keep good electric property, thereby realize the high-temperature resistant low-noise characteristic of cable, different qualities while taking full advantage of the high low temperature of ceramic silicon rubber and the high-temperature stability of silicon oxide fibre silk, the measuring junction of having realized this cable meets high-temperature resistant low-noise requirement, the instrument link of cable also meets low noise requirement simultaneously, also have more flexibility, easy to use.
Make cable of the present invention there is following advantage:
1, long-term nominal operation temperature range is :-60～1000 ℃;
2, meet B level fire-resisting cable requirement in standard GB12666;
3, when 1000 ℃ and following temperature, the structureborne noise≤5mV of cable;
4, cable softness before high temperature burns candle, it is convenient to lay and install.
Accompanying drawing explanation
Fig. 1 is the structural representation of superhigh temperature resistant low noise cable of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, a kind of superhigh temperature resistant low noise cable, comprise that multiply is all wrapped in the pure nickel stranded conductor 1 in same pure nickel wire braided overall-shielding layer 10, the outer compound outer jacket being formed by silicon oxide fibre silk braiding outer jacket 11 and the first high temperature coating 12 that also wraps up of described pure nickel wire braided overall-shielding layer 10; The outer compound internal shield of semiconductive being formed by the first semiconductive ceramic silication rubber layer 2 and the first semiconductive silicon oxide fibre silk braid 3 that is all enclosed with of described per share pure nickel stranded conductor 1; The compound internal shield of semiconductive is wrapped with the composite insulation layer being made up of mica wrapping insulation layer 4, silicon oxide fibre silk braiding insulating barrier 5 and the second high temperature coating 6; Composite insulation layer is wrapped with the compound outer shielding layer of semiconductive being made up of the second semiconductive ceramic silastic-layer 7 and the second semiconductive silicon oxide fibre silk braid 8; The compound outer shielding layer of semiconductive is wrapped with pure nickel wire woven separated-shielding layer 9.
Pure nickel stranded conductor 1 adopts bundle to close or stranded technique, makes it to become multiply core, guarantees that stranded conductor has corresponding pliability and rounding property, and guarantees that oxidation fusing can not occur conductor in the time of 1000 ℃; By wrapping up successively outside the first semiconductive ceramic SiClx rubber layer 2, the first semiconductive silicon oxide fibre silk braid 3, mica wrapping insulation layer 4, silicon oxide fibre silk braiding insulating barrier 5, the second high temperature coating 6, the second semiconductive ceramic SiClx rubber 7 outside pure nickel stranded conductor 1, the second semiconductive silicon oxide fibre silk braid 8, pure nickel wire woven separated-shielding layer 9, guaranteed the Stability Analysis of Structures of cable, and the electrostatic signal (also can be referred to as structureborne noise) that cable itself is produced drops to minimum.In the time of 500 ℃ of high temperature, semiconductive ceramic SiClx rubber internal shield 2 ceramic completely of cable, during to 1000 ℃ of superhigh temperature, by mica wrapping insulation layer 4, the composite insulation layer that silicon oxide fibre silk braiding insulating barrier 5 and the second high temperature coating 6 form still can keep good electrical characteristic, at the first semiconductive ceramic silication rubber layer 2, under the acting in conjunction of the first semiconductive silicon oxide fibre silk braid 3 and pure nickel stranded conductor 1, not only heatproof but also have firm structure of cable now, also keep electric property, thereby realize the high-temperature resistant low-noise characteristic of cable.
The first semiconductive ceramic SiClx rubber layer 2 and the second semiconductive ceramic words silicon rubber 7 are extrusion type, and thickness is 0.2mm-1.5mm, and production technology is relatively simple, and every process conditions are easily adjusted easily control, make the total cost of product also relatively cheap.
It is that the pure nickel wire high-tension braiding of 0.08mm-0.25mm forms that pure nickel wire woven separated-shielding layer 9 adopts diameter, count is greater than 80%, pure nickel wire braided overall-shielding layer 10 and each pure nickel wire woven separated-shielding layer 9 close contact, ground connection when use, guarantee the reliability of metallic shield, and shielded the interference of outer signals to cable itself, guarantee cable low noise characteristic.
In sum, superhigh temperature resistant low noise cable provided by the invention, solves the contradiction of cable low noise characteristic, high temperature resistant requirement by material selection, cable structure and suitable technological design, provide a kind of can be for a long time at the low noise cable of 1000 ℃ of uses.
More than show and described basic principle of the present invention, principal character and advantage.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is by appending claims and equivalent circle thereof.
Claims (6)
1. a superhigh temperature resistant low noise cable, comprises that multiply is all wrapped in the pure nickel stranded conductor (1) in same pure nickel wire braided overall-shielding layer (10), is also enclosed with compound outer jacket outside described pure nickel wire braided overall-shielding layer (10); The outer compound internal shield of semiconductive, composite insulation layer, the compound outer shielding layer of semiconductive and the pure nickel wire woven separated-shielding layer (9) of being all enclosed with successively of described per share pure nickel stranded conductor (1), described compound outer jacket includes silicon oxide fibre silk braiding outer jacket (11) and the first high temperature coating (12) from inside to outside successively, it is characterized in that: the compound internal shield of described semiconductive includes the first semiconductive ceramic SiClx rubber layer (2) and the first semiconductive silicon oxide fibre silk braid (3) from inside to outside successively.
2. superhigh temperature resistant low noise cable according to claim 1, is characterized in that: described composite insulation layer includes mica wrapping insulation layer (4), silicon oxide fibre silk braiding insulating barrier (5) and the second high temperature coating (6) from inside to outside successively.
3. superhigh temperature resistant low noise cable according to claim 2, is characterized in that: the compound outer shielding layer of described semiconductive includes the second semiconductive ceramic SiClx rubber layer (7) and the second semiconductive silicon oxide fibre silk braid (8) from inside to outside successively.
4. superhigh temperature resistant low noise cable according to claim 3, is characterized in that: described the first semiconductive ceramic SiClx rubber layer (2) and the second semiconductive ceramic SiClx rubber layer (7) are extrusion type, and thickness is 0.2mm-1.5mm.
5. superhigh temperature resistant low noise cable according to claim 4, is characterized in that: described pure nickel wire woven separated-shielding layer (9) adopts the pure nickel wire high-tension braiding that diameter is 0.08mm-0.25mm to form, and count is greater than 80%.
6. superhigh temperature resistant low noise cable according to claim 5, is characterized in that: described pure nickel wire braided overall-shielding layer (10) and each pure nickel wire woven separated-shielding layer (9) close contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210314376.0A CN102831971B (en) | 2012-08-30 | 2012-08-30 | Ultra-high temperature resistant low-noise cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210314376.0A CN102831971B (en) | 2012-08-30 | 2012-08-30 | Ultra-high temperature resistant low-noise cable |
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| CN102831971A CN102831971A (en) | 2012-12-19 |
| CN102831971B true CN102831971B (en) | 2014-06-18 |
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| CN201210314376.0A Active CN102831971B (en) | 2012-08-30 | 2012-08-30 | Ultra-high temperature resistant low-noise cable |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093880A (en) * | 2013-02-21 | 2013-05-08 | 江苏永鼎电气有限公司 | Low-cost flexible high-temperature-resistant low-noise cable |
| CN103531277B (en) * | 2013-10-25 | 2016-08-17 | 特变电工(德阳)电缆股份有限公司 | Heat-resisting cold-resistant flexible cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2037862U (en) * | 1988-07-23 | 1989-05-17 | 国家机械工业委员会上海电缆研究所 | High-temp. insulated measurement and control wires |
| CN101752031A (en) * | 2010-01-15 | 2010-06-23 | 上海特缆电工科技有限公司 | Heat-resisting service cable and production method thereof |
| CN202196613U (en) * | 2011-08-18 | 2012-04-18 | 吴林权 | Double-shaft cable |
| CN202205484U (en) * | 2011-08-12 | 2012-04-25 | 上海特种电线电缆（集团）有限公司 | Safe environmental protection type waterproof fireproof cable |
| CN202816464U (en) * | 2012-08-30 | 2013-03-20 | 江苏永鼎电气有限公司 | Ultra-high temperature resistant low-noise cable |
-
2012
- 2012-08-30 CN CN201210314376.0A patent/CN102831971B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2037862U (en) * | 1988-07-23 | 1989-05-17 | 国家机械工业委员会上海电缆研究所 | High-temp. insulated measurement and control wires |
| CN101752031A (en) * | 2010-01-15 | 2010-06-23 | 上海特缆电工科技有限公司 | Heat-resisting service cable and production method thereof |
| CN202205484U (en) * | 2011-08-12 | 2012-04-25 | 上海特种电线电缆（集团）有限公司 | Safe environmental protection type waterproof fireproof cable |
| CN202196613U (en) * | 2011-08-18 | 2012-04-18 | 吴林权 | Double-shaft cable |
| CN202816464U (en) * | 2012-08-30 | 2013-03-20 | 江苏永鼎电气有限公司 | Ultra-high temperature resistant low-noise cable |
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| CN102831971A (en) | 2012-12-19 |
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Effective date of registration: 20180209 Address after: Town in Wujiang City, Suzhou City, Jiangsu province 215211 National Highway 318, the north section of 74K Co-patentee after: Jiangsu Etern Co., Ltd. Patentee after: Jiangsu Yongding Electric Co.,Ltd. Address before: Town in Wujiang City, Suzhou City, Jiangsu province 215211 National Highway 318, the north section of 74K Patentee before: Jiangsu Yongding Electric Co.,Ltd. |
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