CN206741950U - Polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire - Google Patents
Polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire Download PDFInfo
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- CN206741950U CN206741950U CN201720231761.7U CN201720231761U CN206741950U CN 206741950 U CN206741950 U CN 206741950U CN 201720231761 U CN201720231761 U CN 201720231761U CN 206741950 U CN206741950 U CN 206741950U
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- ptfe
- polytetrafluoroethylene
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- electric wire
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
A kind of polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire is the utility model is related to, its structure includes some conductors twisted together（1）, every conductor（1）It is surrounded with composite insulation layer outside（2）；The composite insulation layer（2）It is made up of the polyimide material lapping layer of internal layer and the polytetrafluoroethylene (PTFE) lapping layer of outer layer.The advantages of the utility model：1）Compound inslation layer surface is smooth；2）Wearability is high；3）Lightweight and robustness are outstanding；4）Remarkable ambient adaptability；5）It is anticorrosive；6）Resistance to electric arc；7）Good mechanical performance.
Description
Technical field
The utility model relates to a kind of polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire, belong to
Technical field of cable.
Background technology
Polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire is to have references to GJB 773B-201X and U.S.
On the basis of marking the technical indicators of SAE AS22759 186~187,191~192, in order to adapt to naval（It is carrier-borne）Aviation field
Using and design research and development, QLYW series smooth type electric wires are in conventional type polytetrafluoroethylene (PTFE)/polyimide composite insulated electricity
Line cable（American Standard SAE AS22759 86~87,91~92）On the basis of carried out upgrading and improved, increase surface flatness index,
Resistance to scraped finish index plus tight resistance to dry arc test and moisture-proof arc test, make it more multiple than conventional type polytetrafluoroethylene (PTFE)/polyimides
It is more superior to close insulated wire cable performance.
The utility model can adapt to the work of aviation severe rugged environment, have a high mechanical strength, in light weight, external diameter is small, surface
The features such as smooth, stable chemical performance and acid and alkali resistance, the erosion of oily equal solvent, resistance to scraped finish, the electric arc of resistance to dry and wet, humidity,
Resistance to surge, the impact of resistance to short time high temperature, hydrolysis, excellent heat aging property,（- 65~+260）Make for a long time in the range of DEG C
With.
Utility model content
The utility model proposes a kind of polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire, its mesh
The defects of being intended to overcome present in existing conventional type polytetrafluoroethylene (PTFE)/polyimide composite insulated electric wire：Surface is smooth
Spend it is bad, scrape abrasion resistance can not by force, be not suitable for naval（It is carrier-borne）Application of aviation field etc..
Technical solution of the present utility model：Polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire, its
Structure includes some conductors 1 twisted together, and composite insulation layer 2 is surrounded with outside every conductor 1；The composite insulation layer 2
It is made up of the polyimide material lapping layer of internal layer and the polytetrafluoroethylene (PTFE) lapping layer of outer layer.
The utility model has advantages below：
1）Surface flatness≤10% of composite insulation layer 2, than routine polyimides winding wire (SAE-AS22759/80~
92) it is more smooth；
2）Wearability：There is more excellent wearability than the polyimides winding wire (SAE-AS22759/80~92) of routine
Can, the number of resistance to scraped finish ＞ 5000 times；
3）Lightweight and robustness（robust）：Lightweight structure is employed, effectively reduces the weight and chi of cable
It is very little, there is provided two kinds of insulating barrier specifications of 0.006inch and 0.008inch, in the case of unprotect, QLYW series electric wires have
Outstanding robustness；
4）Remarkable ambient adaptability：With excellent electrical insulation properties and high and low temperature resistance, can -65 DEG C~
Persistently used at a temperature of 260 DEG C（Nickel plating series）, high temperature impact resistance, can at a temperature of 320 DEG C short-period used, be adapted to sea
Army（It is carrier-borne）The application of aviation field；
5）It is anticorrosive：Stable chemical performance, acid and alkali resistance, oily equal solvent corrode, and with excellent heat aging property and
Moisture resistance, anti-hydrolytic performance；
6）Resistance to electric arc：Either dry environment or wet environment, have under air line voltage very outstanding resistance to
Arc performance, and do not influenceed substantially by UV；
7）Mechanical performance：With outstanding pliability, abrasion resistant qualities and anti-puncture, anti-cut general character energy, can be good at
Meets the needs of being applied under adverse circumstances.
Brief description of the drawings
Accompanying drawing 1 is the production technological process of QLYW series electric wires.
Accompanying drawing 2 is that line gauge number is（AWG）24~10 wire structure schematic diagrames.
Accompanying drawing 3 is unshielded unjacked cable structural representation.
Accompanying drawing 4 is that unshielded have jacketed cable structural representation.
Accompanying drawing 5 is that have shielding unjacked cable structural representation.
Accompanying drawing 6 is that have shielding to have jacketed cable structural representation.
1 is conductor in accompanying drawing, and 2 be composite insulation layer, and 3 be screen layer, and 4 be composite jacket layer.
Embodiment
Accompanying drawing, polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire are compareed, its structure includes some strands
What is be combined is surrounded with the conductor 1 of composite insulation layer 2；The composite insulation layer 2 has the polyimide material lapping layer of internal layer
Formed with the polytetrafluoroethylene (PTFE) lapping layer of outer layer.
The conductor 1 is the silver-plated or nickel-clad copper stranded wire conductor that American Standard specification is AWG24~10.
The polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire periphery is also enclosed with screen layer 3, is formed
There is shielding unjacked cable, the screen layer 3 is knitted to form by silver-plated nickel plating circular copper wire or flat type copper wire, and shielding density is not less than
85%。
The polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire periphery is also surrounded with composite jacket layer 4,
Formed it is unshielded have a jacketed cable, the composite jacket layer 4 has the wrapped polyimides lapping layer of internal layer and wrapped poly- of outer layer
Tetrafluoroethene lapping layer forms, and wrapped cap rate is 54%~56%.
The polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire periphery is also enclosed with screen layer 3, shielding
3 periphery of layer are enclosed with composite jacket layer 4, have jacketed cable formed with shielding.
Described some are 2-6 roots.
Surface flatness≤10% of the composite insulation layer 2.
The preparation method of polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire, comprises the following steps：
1）Choose the silver-plated or nickel-clad copper stranded wire conductor that American Standard specification is AWG24~10；
2）Use concentric type winding machine wrapped thickness gathering for 0.03mm-0.05mm outside silver-plated or nickel-clad copper stranded wire conductor
Acid imide（PI）1 layer of composite band, then further around the polytetrafluoroethylene (PTFE) that bag thickness is 0.05mm（PTFE raw material bands）It is 1 layer, wrapped to take
Lid rate is 50.5%~54%；
3）After wrapped, high temperature sintering is carried out using sintering furnace（300 DEG C~560 DEG C of sintering temperature, sintering 2~8m/min speed
Degree）, make polyimide material lapping layer and polytetrafluoroethylene (PTFE) lapping layer be adhesive into one to form electric wire, and used during sintering
Frock is surface-treated（Frock is several groups of different directions guide wheels, is pressed installed in sintering furnace is anterior and middle part, during processing online
Cable surface, make the cable insulating surface of softening more smooth）, the smoothness on raising composite insulation layer 2 surface；
4）Stranding：Some electric wires turn into a cable using cable-former is twisted.
The preparation method of the polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire is additionally included in outside cable
Composite jacket layer 4 is wrapped up, is specially：Used outside cable concentric type winding machine first wrapped thickness for 0.03mm polyimides
（PI）1 layer of composite band, further around the polytetrafluoroethylene (PTFE) that bag thickness is 0.05mm（PTFE raw material bands）1 layer, wrapped cap rate be 54%~
56%；High temperature sintering is finally carried out using sintering furnace（300 DEG C~560 DEG C of sintering temperature, sinter 2~8m/min speed）, make two layers
Band is adhesive into one, and formation is unshielded jacketed cable.
The preparation method of the polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire is additionally included in outside cable
Screen layer 3 is wrapped up, formed with shielding unjacked cable, shielding density is not less than 85%；The screen layer 3 justifies copper by silver-plated nickel plating
Line or flat type copper wire are knitted to form.
The preparation method of the polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire also includes following step
Suddenly：
5) it is not less than 85% in cable outer wrapping screen layer 3, shielding density；The screen layer 3 is by silver-plated nickel plating circular copper wire
Or flat type copper wire is knitted to form；
6) in the outer wrapping composite jacket layer 4 of screen layer 3, it is specially：Concentric type winding machine first wrapped thickness is used outside cable
Spend the polyimides for 0.03mm（PI）1 layer of composite band, then further around the polytetrafluoroethylene (PTFE) that bag thickness is 0.05mm（PTFE raw material
Band）1 layer, wrapped cap rate is 54%~56%；High temperature sintering is finally carried out using sintering furnace（300 DEG C~560 DEG C of sintering temperature,
Sinter 2~8m/min speed）, two webs are adhesive into one, have jacketed cable formed with shielding.
Embodiment
QLYW11223-20-WU/W, it is twisted using 19 0.203mm nickel plating round copper wires, by compression mould, is obtained
(0.95 ± 0.02) mm stranded conductor；Using 1 layer of the wrapped 0.05mm thickness polyamide tape of concentric type winding machine, wrapped
1 layer of 0.05mm thickness teflin tape, cap rate are between 50.5%~54%；After wrapped, high temperature is carried out by sintering furnace
Sintering（300 DEG C~560 DEG C of sintering temperature, sinter 2~8m/min speed）, two webs are integrally formed, and during sintering
It is surface-treated using frock（Frock is several groups of different directions guide wheels, is pressed installed in sintering furnace is anterior and middle part, during processing
In cable surface, make the cable insulating surface of softening more smooth）, improve insulating surface smoothness；Then by 3 electric wires
Turn into a cable using cable-former is twisted, then be not less than using 0.10mm diameter nickel plating circular copper wire braid shieldeds, shielding density
85%；It is wrapped that sheath is carried out after braid shielded, using 1 layer of the wrapped 0.03mm thickness polyamide tape of concentric type winding machine, wrapped
1 layer of 0.05mm thickness teflin tape, cap rate are between 54%~56%, finally carry out high temperature sintering by sintering furnace
（300 DEG C~560 DEG C of sintering temperature, sinter 2~8m/min speed）, it is integrally formed two webs, and make polytetrafluoroethylene (PTFE) material
Material crystallization, strengthen the mechanical performance and electrical property of sheath.
Claims (5)
1. polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire, it is characterized in that being twisted together including some
Conductor（1）, every conductor（1）It is surrounded with composite insulation layer outside（2）；The composite insulation layer（2）There is the polyimides of internal layer
The polytetrafluoroethylene (PTFE) lapping layer of material lapping layer and outer layer forms；
The composite insulation layer（2）Surface flatness≤10%；
The conductor 1 is the silver-plated copper stranded wire conductor that American Standard specification is AWG24~10；
Described some are 2-6 roots；
The polyimide material lapping layer of the internal layer is the polyimides composite band 1 that wrapped thickness is 0.03mm-0.05mm
Layer, the polytetrafluoroethylene (PTFE) lapping layer are 1 layer of the PTFE raw material bands that wrapped thickness is 0.05mm, and wrapped cap rate is 50.5%
~54%.
2. polytetrafluoroethylene (PTFE) according to claim 1/polyimide composite insulated smooth type electric wire, it is characterized in that outside
Enclose and be also enclosed with the screen layer that silver-plated nickel plating circular copper wire or flat type copper wire are knitted to form（3）；Shield density and be not less than 85%, formed with
Shield unjacked cable.
3. polytetrafluoroethylene (PTFE) according to claim 1/polyimide composite insulated smooth type electric wire, it is characterized in that outside
Enclose and be also enclosed with composite jacket layer（4）, formation is unshielded jacketed cable.
4. polytetrafluoroethylene (PTFE) according to claim 1/polyimide composite insulated smooth type electric wire, it is characterized in that outside
Enclose and be also enclosed with screen layer（3）, screen layer（3）Periphery is enclosed with composite jacket layer（4）, have jacketed cable formed with shielding.
5. polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire according to claim 3 or 4, its feature
It is the composite jacket layer（4）There are polyimides lapping layer that internal layer is wrapped and the wrapped polytetrafluoroethylene (PTFE) lapping layer group of outer layer
Into wrapped cap rate is 54%~56%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720231761.7U CN206741950U (en) | 2017-03-10 | 2017-03-10 | Polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720231761.7U CN206741950U (en) | 2017-03-10 | 2017-03-10 | Polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206741950U true CN206741950U (en) | 2017-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720231761.7U Active CN206741950U (en) | 2017-03-10 | 2017-03-10 | Polytetrafluoroethylene (PTFE)/polyimide composite insulated smooth type electric wire |
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| CN (1) | CN206741950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675970A (en) * | 2019-10-12 | 2020-01-10 | 常州恒丰特导股份有限公司 | Nickel-plated stranded copper conductor for automobile and preparation method thereof |
-
2017
- 2017-03-10 CN CN201720231761.7U patent/CN206741950U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675970A (en) * | 2019-10-12 | 2020-01-10 | 常州恒丰特导股份有限公司 | Nickel-plated stranded copper conductor for automobile and preparation method thereof |
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