CN104966966A - High-temperature-resistant low-noise cable - Google Patents
High-temperature-resistant low-noise cable Download PDFInfo
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- CN104966966A CN104966966A CN201510336553.9A CN201510336553A CN104966966A CN 104966966 A CN104966966 A CN 104966966A CN 201510336553 A CN201510336553 A CN 201510336553A CN 104966966 A CN104966966 A CN 104966966A
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Abstract
The invention relates to a high-temperature-resistant low-noise cable which comprises an armoured cable, a first high-temperature plug and a second high-temperature plug. The armoured cable comprises a high-temperature-resistant wire, an externally-filled mineral insulating layer, a high-temperature alloy sleeve and a steel wire braided protection layer in sequence from the inside out. The high-temperature-resistant wire is fixedly connected with the first high-temperature plug and the second high-temperature plug. The high-temperature-resistant low-noise cable adopts many high-temperature-resistant materials, components are integrated through sintering technology, and the components have no mutual friction in between, and thus the cable is allowed to work in a high-temperature environment, and the noise is reduced.
Description
Technical field
The invention belongs to high temperature signal transmission technology, be specifically related to a kind of high temperature resistant mininoise cable.
Background technology
Engine Parameter measurement needs the transducer such as high temperature pressure, vibration to participate in, sensor signal transmission cable is caused often to be in the adverse circumstances of high temperature, traditional organic insulation cable cannot normally work in high temperature environments, and work is often with noise, therefore, the parameter measurement of aero-engine needs the sensor signal transmission cable that can bear high temperature.
Summary of the invention
The invention provides a kind of high temperature resistant mininoise cable, this cable adopts dystectic silica as insulating material, outer armouring sleeve pipe is high-temperature alloy material, can be work for a long time in the environment of less than 700 DEG C in temperature, effectively can solve non-refractory when sensor signal cable works in high temperature environments and the large problem of noise.
Technical scheme of the present invention is: a kind of high temperature resistant mininoise cable; comprise: armoured cable, the first high temperature plug and the second high temperature plug; described armoured cable is followed successively by high temperature resistant wire from inside to outside, fills out mineral insulation, high temperature alloy sleeve pipe and braided steel wire protective layer outward; high temperature resistant wire is fixedly connected with the first high temperature plug, the second high temperature plug respectively, and armoured cable is sleeved on braided steel wire protective layer.
Further, containing two high temperature resistant wires in every root armoured cable, the nickel wire of high temperature resistant wire to be diameter be 0.2cm.
Preferably, filling out mineral insulation outward selects silica as insulating material.
Preferably, high temperature alloy sleeve pipe selects Ni base alloy as shell material.
Further, fill out mineral insulation to be outward connected with high temperature resistant wire and high temperature alloy sleeve pipe high temperature sintering respectively, thus make armoured cable form an entirety, prevent high temperature resistant wire, fill out mineral insulation and high temperature alloy sleeve pipe phase mutual friction generation electric charge outward, reduce the noise of cable.
Preferably, the housing of the first high temperature plug, contact pin material are Ni base alloy, and the case material of the second high temperature plug is NiCr alloy.
Further, the connected mode of the first high temperature plug, the second high temperature plug and armoured cable is for welding.
Further, high temperature resistant wire is connected with the first high temperature plug ceramic post sintering mode, high temperature resistant wire is connected with the second high temperature plug glass sintering mode, and high temperature alloy sleeve pipe welds with the first high temperature plug and the second high temperature plug package sealing with laser mode respectively.
The manufacture method of described a kind of high temperature resistant mininoise cable, its step comprises:
The first step, at normal temperatures, the high temperature resistant wire of high temperature alloy sleeve pipe (casing diameter is more bigger than actual size) and inside is fixed with special fixture, slowly silicon oxide powder is poured between high temperature resistant wire and high temperature alloy sleeve pipe, and axially moving high temperature wire gently, make silica evenly fill compo pipe;
Second step, hot environment pipe after filling is put into the grinding tool using size to mate with reality extrude, stretch, high temperature alloy casing diameter is stretched to the external coordination size of requirement, and internal oxidation silicon insulating barrier fully extrudes, and ensures that pipe internal oxidition silicon insulating barrier is even, fine and close.
3rd step, stretches after extruding, carries out 800 DEG C ~ 900 DEG C heat treatment for solidification to wire, makes high temperature resistant wire, fills out mineral insulation and high temperature alloy sleeve pipe formation armoured cable outward, overlap braided steel wire protective layer outward at armoured cable;
4th step, one end of high temperature resistant wire is connected with the first high temperature plug ceramic post sintering, the other end is connected with the second high temperature plug glass sintering, high temperature alloy sleeve pipe respectively with the first high temperature plug and the second high temperature plug laser seal welding, armoured cable and space, two high temperature plug junctions high temperature casting glue are filled.
The invention has the beneficial effects as follows: one of the present invention is high temperature resistant, and mininoise cable have employed high temperature resistant wire, mineral insulation and high temperature alloy sleeve pipe, adopt silicon oxide insulation material, electric capacity≤100pF/ the rice of cable can be ensured, the plug that cable two ends connect also all has selected exotic material, and this cable have employed the form that sintering connects, by cable each several part sintering in order to entirety, prevent wire, insulating barrier to rub and produce electric charge, thus reduce the noise of cable.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high temperature resistant mininoise cable of the present invention.
Wherein, mineral insulation, 6 high temperature alloy sleeve pipes, 7 braided steel wire protective layers are filled out outside 1 first high temperature plug, 2 armoured cables, 3 second high temperature plugs, 4 high temperature resistant wires, 5.
Embodiment
As shown in Figure 1; a kind of high temperature resistant mininoise cable; comprise: armoured cable 2, first high temperature plug 1 and the second high temperature plug 3; described armoured cable 2 is followed successively by high temperature resistant wire 4 from inside to outside, fills out mineral insulation 5, high temperature alloy sleeve pipe 6 and braided steel wire protective layer 7 outward; high temperature resistant wire 4 is fixedly connected with the first high temperature plug 1, second high temperature plug 3 respectively, and armoured cable 2 is sleeved on braided steel wire protective layer 7.
Further, containing two high temperature resistant wires 4 in every root armoured cable 2, high temperature resistant wire 4 for diameter be the nickel wire of 0.2cm.
Preferably, filling out mineral insulation 5 outward selects silica as insulating material.
Preferably, high temperature alloy sleeve pipe 6 selects Ni base alloy as shell material.
Further, fill out mineral insulation 5 to be outward connected with high temperature resistant wire 4 and high temperature alloy sleeve pipe 6 high temperature sintering respectively, thus make armoured cable 2 form an entirety, prevent high temperature resistant wire 4, fill out mineral insulation 5 and high temperature alloy sleeve pipe 6 phase mutual friction generation electric charge outward, reduce the noise of cable.
Further, the housing of the first high temperature plug 1, contact pin material are Ni base alloy, and the case material of the second high temperature plug 3 is NiCr alloy.
Preferably, the first high temperature plug 1, second high temperature plug 3 and the connected mode of armoured cable 2 are for welding.
Preferably, high temperature resistant wire 4 is connected with the first high temperature plug 1 ceramic post sintering mode, high temperature resistant wire 4 is connected with the second high temperature plug 3 glass sintering mode, and high temperature alloy sleeve pipe 6 welds with the first high temperature plug 1 and the second high temperature plug 3 package sealing with laser mode respectively.
Preferably, two high temperature plugs all there is traveling nut, can be used for being connected with transducer and signal conditioner.
A manufacture method for high temperature resistant mininoise cable, its step comprises:
The first step, at normal temperatures, the high temperature resistant wire 4 of high temperature alloy sleeve pipe 6 (casing diameter is more bigger than actual size) and inside is fixed with special fixture, slowly silicon oxide powder is poured between high temperature resistant wire 4 and high temperature alloy sleeve pipe 6, and axially moving high temperature wire 4 gently, make silica evenly fill compo pipe;
Second step, hot environment pipe after filling is put into the grinding tool using size to mate with reality extrude, stretch, high temperature alloy sleeve pipe 6 diametrical draw is to the overall dimension required, internal oxidation silicon insulating barrier fully extrudes, and ensures that pipe internal oxidition silicon insulating barrier is even, fine and close.
3rd step, stretches after extruding, carries out 800 DEG C ~ 900 DEG C heat treatment for solidification to wire, makes high temperature resistant wire 4, fills out mineral insulation 5 and high temperature alloy sleeve pipe 6 forms armoured cable 2, braided steel wire protective layer 7 on armoured cable overlaps outward outward;
4th step; one end of high temperature resistant wire 4 is connected with the first high temperature plug 1 ceramic post sintering; the other end is connected with the second high temperature plug 3 glass sintering; high temperature alloy sleeve pipe 6 respectively with the first high temperature plug 1 and the second high temperature plug 3 laser seal welding; the space of armoured cable 2 and the first high temperature plug 1, second high temperature plug 3 junction is filled with high temperature casting glue, and braided steel wire protective layer and two high temperature plug piece spaces are filled fixing by high-temp glue.
During use, first high temperature plug 1 of this cable is connected with sensor, second high temperature plug 3 is connected with signal conditioner, by the Signal transmissions of high temperature position sensor sensing to the relatively low signal conditioner of temperature, realizes the Signal transmissions of engine place pyrostat.
Claims (9)
1. a high temperature resistant mininoise cable; comprise: armoured cable (2), the first high temperature plug (1) and the second high temperature plug (3); it is characterized in that: described armoured cable (2) is followed successively by high temperature resistant wire (4) from inside to outside, fills out mineral insulation (5), high temperature alloy sleeve pipe (6) and braided steel wire protective layer (7) outward; high temperature resistant wire (4) is fixedly connected with the first high temperature plug (1), the second high temperature plug (3) respectively, and armoured cable (2) is sleeved on braided steel wire protective layer (7).
2. the high temperature resistant mininoise cable of one according to claim 1, is characterized in that: containing two high temperature resistant wires (4) in every root armoured cable (2), high temperature resistant wire (4) for diameter be the nickel wire of 0.2cm.
3. the high temperature resistant mininoise cable of one according to claim 1, is characterized in that: fill out mineral insulation (5) outward and select silica as insulating material.
4. the high temperature resistant mininoise cable of one according to claim 1, is characterized in that: high temperature alloy sleeve pipe (6) selects Ni base alloy as shell material.
5. the high temperature resistant mininoise cable of one according to claim 1, is characterized in that: fill out mineral insulation (5) outward and be connected with high temperature resistant wire (4) and high temperature alloy sleeve pipe (6) high temperature sintering respectively.
6. the high temperature resistant mininoise cable of one according to claim 1, is characterized in that: the housing of the first high temperature plug (1), contact pin material are Ni base alloy, and the case material of the second high temperature plug (3) is NiCr alloy.
7. the one according to claim 1 or 6 is high temperature resistant mininoise cable, is characterized in that: the connected mode of the first high temperature plug (1), the second high temperature plug (3) and armoured cable (2) is for welding.
8. the one according to claim 1 or 6 is high temperature resistant mininoise cable, it is characterized in that: high temperature resistant wire (4) is connected with the first high temperature plug (1) ceramic post sintering mode, high temperature resistant wire (4) is connected with the second high temperature plug (3) glass sintering mode, high temperature alloy sleeve pipe (6) welds with the first high temperature plug (1) and the second high temperature plug (3) package sealing with laser mode respectively.
9. the manufacture method of a kind of high temperature resistant mininoise cable according to claim 1-8 any one, its step comprises:
The first step, at normal temperatures, the high temperature resistant wire (4) of high temperature alloy sleeve pipe (6) (casing diameter is more bigger than actual size) and inside is fixed with special fixture, slowly silicon oxide powder is poured between high temperature resistant wire (4) and high temperature alloy sleeve pipe (6), and axially moving high temperature wire (4) gently, make silica evenly fill compo pipe;
Second step, hot environment pipe after filling is put into the grinding tool using size to mate with reality extrude, stretch, high temperature alloy sleeve pipe (6) diametrical draw is to the overall dimension required, internal oxidation silicon insulating barrier fully extrudes, and ensures that pipe internal oxidition silicon insulating barrier is even, fine and close.
3rd step, stretch after extruding, 800 DEG C ~ 900 DEG C heat treatment for solidification are carried out to wire, make high temperature resistant wire (4), fill out mineral insulation (5) and high temperature alloy sleeve pipe (6) formation armoured cable (2) outward, overlap braided steel wire protective layer (7) outward at armoured cable;
4th step; one end of high temperature resistant wire (4) is connected with the first high temperature plug (1) ceramic post sintering; the other end is connected with the second high temperature plug (3) glass sintering; high temperature alloy sleeve pipe (6) respectively with the first high temperature plug (1) and the second high temperature plug (3) laser seal welding; armoured cable (2) is filled with high temperature casting glue with the space of the first high temperature plug (1), the second high temperature plug (3) junction, and braided steel wire protective layer and two high temperature plug piece spaces are filled fixing by high-temp glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510336553.9A CN104966966B (en) | 2015-06-17 | 2015-06-17 | A kind of high temperature resistant mininoise cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510336553.9A CN104966966B (en) | 2015-06-17 | 2015-06-17 | A kind of high temperature resistant mininoise cable |
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| CN104966966A true CN104966966A (en) | 2015-10-07 |
| CN104966966B CN104966966B (en) | 2017-07-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713556A (en) * | 2020-12-21 | 2021-04-27 | 苏州长风航空电子有限公司 | High-temperature-resistant sealed armored cable throwing wire |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033121A (en) * | 1987-05-14 | 1989-05-24 | 贝尔-Irh有限公司 | Stable high temperature resistant thermoelectric couple cable |
| CN201956108U (en) * | 2010-12-10 | 2011-08-31 | 久盛电气股份有限公司 | Heat-resisting and radiation-resisting cable and mould manufacturing same |
| 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 |
| US20130133918A1 (en) * | 2011-11-30 | 2013-05-30 | Rockbestos Surprenant Cable Corp. | High-Temperature Cable having Inorganic Material |
| CN103812073A (en) * | 2012-11-08 | 2014-05-21 | 通用电气公司 | Sealing between an electrical cable and a flexible metal conduit to be used in a high temperature, high vibration environment |
-
2015
- 2015-06-17 CN CN201510336553.9A patent/CN104966966B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033121A (en) * | 1987-05-14 | 1989-05-24 | 贝尔-Irh有限公司 | Stable high temperature resistant thermoelectric couple cable |
| CN201956108U (en) * | 2010-12-10 | 2011-08-31 | 久盛电气股份有限公司 | Heat-resisting and radiation-resisting cable and mould manufacturing same |
| US20130133918A1 (en) * | 2011-11-30 | 2013-05-30 | Rockbestos Surprenant Cable Corp. | High-Temperature Cable having Inorganic Material |
| 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 |
| CN103812073A (en) * | 2012-11-08 | 2014-05-21 | 通用电气公司 | Sealing between an electrical cable and a flexible metal conduit to be used in a high temperature, high vibration environment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713556A (en) * | 2020-12-21 | 2021-04-27 | 苏州长风航空电子有限公司 | High-temperature-resistant sealed armored cable throwing wire |
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| CN104966966B (en) | 2017-07-21 |
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