CN101098098A - Copper core teflon and polyester insulation enclosed electric machine winding lead wire - Google Patents
Copper core teflon and polyester insulation enclosed electric machine winding lead wire Download PDFInfo
- Publication number
- CN101098098A CN101098098A CNA2006100144732A CN200610014473A CN101098098A CN 101098098 A CN101098098 A CN 101098098A CN A2006100144732 A CNA2006100144732 A CN A2006100144732A CN 200610014473 A CN200610014473 A CN 200610014473A CN 101098098 A CN101098098 A CN 101098098A
- Authority
- CN
- China
- Prior art keywords
- layer
- conductor
- polyester
- lead wire
- insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention relates to a copper cored politef and polyester insulation sealed motor winding approach line, which is characterized in composed of a copper cored conductor, a weave layer and an insulation layer, wherein the conductor is covered by a weave inner layer, a politef insulation layer, a polyester insulation layer, and a weave outer layer in turn. The invention has simple structure. The conductor is covered by two insulation layers and two terylene weave layers, wherein the copper cored conductor is a wire beam twisted by a plurality small copper liens, the weave layer is specially deactivated, to effectively resolve the washing problem of fibers, the copper cored conductor oxidization, and bad property of coolant caused by polyester fiber producing agent, thereby improving the electric insulation and high-temperature resistance of wire, improving the aging resistance of wire, and improving the resistance on various environment factors. The invention is a novel motor winding approach line.
Description
Technical field
The invention belongs to field of cables, especially a kind of copper core polytetrafluoroethylene and polyester insulation enclosed motor windings lead wire.
Background technology
The motor windings lead wire is a kind of more special electric wire, insulating material as the motor windings lead wire was to adopt polyolefine material, elastomeric material or insulating varnish in the past, but the motor windings lead wire that adopts this insulating material is not very good in performance aspect moisture-resistant, the resistance to elevated temperatures, have in addition adhesion phenomenon appears.The main insulating layer of particularly traditional enclosed motor winding lead wire, the material that uses is polyester film.After the sectional area of electric wire increases to a certain degree, the defective that deficiency because of the structure of conductor itself on inhomogeneous and withstand voltage properties of polyester film own and the insulation property produces can cause the electrical breakdown and the thermal breakdown of electric wire, thereby whole motor is damaged, cause greater loss, so generally be no more than 5.5mm with the cross section of the enclosed motor winding lead wire of oriented pet film insulating barrier
2, this can not satisfy the instructions for use of high-power compressor electric motor.
The application example of fluoro-containing plastic as the lead wire insulating barrier appearred adopting in recent years, make the insulation property and the resistance to elevated temperatures of this class lead wire be improved, this is because fluoro-containing plastic is compared with other plastics, have characteristics such as more excellent high temperature resistant, corrosion-resistant, electric insulating quality, wherein the performance with polytetrafluoroethylene is the most outstanding especially.Though but polytetrafluoroethylene has excellent insulation property, chemical stability and heat resistance, and its stability is all very excellent in various refrigeration working mediums, its mechanical strength is low damaged easily, has therefore limited its range of application.
In addition, in the lead wire the employed fiber of braid since its spinning technique need be in its surface applied the compound finish of one deck.The molecular weight ratio of this layer finish is less, has the part degraded under the environment of refrigeration working medium HTHP, thereby causes the acid number of refrigeration working medium to increase, and further causes the refrigeration working medium degraded, influences the useful life of compressor.The composition of compound finish is water miscible, fiber is implemented cleaning can remove finish, but only water clean the back because of fiber no longer obvolvent together and also fiber can hardening, thereby when follow-up braiding is used, very easily produce burr compressor is produced harmful effect, even causes compressor to be scrapped.
And; no matter adopt polyester film, rubber, insulating varnish still to adopt polytetrafluoroethylene as insulating barrier; all be monolayer insulating layer and individual layer net protective layer; be subjected to the influence of various factorss such as extraneous mechanism, physical-chemical effect or heat, wet, microbe and influence the normal use of lead unavoidably like this, shorten its useful life.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of and can effectively improve the tolerance of various environmental factors and copper core polytetrafluoroethylene and the polyester insulation enclosed motor windings lead wire that ageing resistace is strong, product cross section amasss greatly and be specially adapted to various high-power hermetic compressor motors.
The present invention is achieved by the following technical solutions:
This copper core polytetrafluoroethylene and polyester insulation enclosed motor windings lead wire, constitute by copper core conductor, braid, insulating barrier, it is characterized in that: outside the copper core conductor, be coated with braiding internal layer, teflon insulation layer, polyester insulated layer and woven outer layer successively.
And described conductor is that the tiny copper cash of many diameters is through the stranded wire harness that forms.
And described braiding internal layer and woven outer layer all are the dacron threads that formed by braiding after the Passivation Treatment.
Advantage of the present invention and good effect are:
1. the present invention has adopted the structure that is coated with dielectric layers and two-layer dacron thread braid at conductor, has effectively improved the electric insulating quality and the resistance to elevated temperatures of lead, strengthens the ageing resistance of lead.
2. the present invention adopts double hyer insulation layer structure, the winding technology that promptly utilizes polytetrafluoroethylene (insulation property, chemical stability and Good Heat-resistance) to combine with polyester insulated layer for main insulating layer, the insulation property and the heat resistance of product have been improved greatly, avoided the problem of teflon insulation layer mechanical strength deficiency simultaneously, the performance that also makes product tolerate refrigeration working medium increases and also can adapt to the environmental protection refrigeration working medium of all uses at present, thereby has improved the overall performance of hermetic compressor motor.
3. copper core conductor of the present invention adopts the tiny copper cash of many diameters through the stranded wire harness that forms, and has improved the flexibility of lead.And the employing special structure design adds one deck poly tetrafluoroethylene outside conductor, significantly improved the insulation property of lead wire, thereby can realize big specification production when guaranteeing flexibility.The specification of having produced product at present is 35mm
2, and can produce more heavy in section product as required.
4. to have adopted unique technique be Passivation Treatment in the present invention, solved the problem that filament cleans effectively, solve polyester fiber again and produced the problem that auxiliary agent causes the copper conductor oxidation and causes the refrigeration working medium mis-behave to go bad, and prolonged the useful life of compressor.
5. large-scale promotion of the present invention is used can bring fabulous social benefit: because the thermal endurance class of this product is higher, can make the user reduce material consumption, be beneficial to the saving resource; The alternative development that is beneficial to national economy to imported product.
6. overall structure of the present invention is very simple, tolerance and ageing resistace to various environmental factors are stronger, product cross section is long-pending big, is a kind of revolutionary New-type electric machine lead wire that has, and is to being particularly useful for the New-type electric machine winding lead wire of various high-power hermetic compressor motors.
Description of drawings
Fig. 1 is a cross-sectional view of the present invention;
Fig. 2 is the process chart that Cleaning and Passivation of the present invention is handled.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are further described, but are not limited to the concrete structure that present embodiment is narrated.
This copper core polytetrafluoroethylene and polyester insulation enclosed motor windings lead wire are the coaxial cable form, are coated with braiding internal layer 4, teflon insulation layer 3, polyester insulated layer 2 and woven outer layer 1 outside copper core conductor 5 successively.Wherein:
The copper core conductor is that the many tiny copper cash of diameter constitute through the stranded wire harness that forms, and its objective is in order to improve the flexibility of lead.
Braiding internal layer and woven outer layer all are the dacron threads that formed by braiding after the Passivation Treatment, Passivation Treatment is to adopt special softener to handle, not only solved the problem that filament cleans effectively, solve polyester fiber again and produced the problem that auxiliary agent causes the copper conductor oxidation and causes the refrigeration working medium mis-behave to go bad, improved the resistance to elevated temperatures of lead wire, strengthen the ageing resistance of lead, thereby prolonged the useful life of compressor.In conjunction with technological process shown in Figure 2, and wire process in adding the Cleaning and Passivation process, and made specialized apparatus monitor finish in the water as far as possible when reducing water content for this reason, adjust the water addition ratio example, control degree of cleaning; Behind the cleaning-drying, behind ultrasonic atomizatio with refrigeration media compatibility good suitable finish, make its trace be coated in fiber surface and produce the purpose that obvolvent and submissive effect reach the Cleaning and Passivation fiber.Through the fiber of this PROCESS FOR TREATMENT, its oil content about 1.2% being reduced to below 0.1% before clean.
Be teflon insulation layer and polyester insulated layer between braiding internal layer and woven outer layer, the teflon insulation layer twines with polytetrafluoroethylene film, is first insulating barrier; The outer wrapped polyester insulated layer of teflon insulation layer twines with the polyester belt film, is second insulating barrier, and the main insulating layer of it and teflon insulation layer mutual group cost motor windings lead wire can effectively improve the insulation property of lead wire.
The present invention has introduced the polytetrafluoroethylene film lapping layer on the basis of traditional enclosed motor winding lead wire " conductor-polyester fiber braiding-polyester film wrapped-polyester fiber braiding ", formed the unique texture of " conductor-polyester fiber braiding-polytetrafluoroethylene film-polyester film wrapped-polyester fiber weave ".Utilize insulation property, chemical stability and the heat resistance of polytetrafluoroethylene excellence and utilized the polyester film excellent physical and mechanical properties to remedy the deficiency of the low and easy breakage of polytetrafluoroethylene film mechanical strength, improved the withstand voltage properties, insulation property of lead wire etc. greatly, made that producing the bigger lead wire of sectional area becomes possibility.
Claims (3)
1. a copper core polytetrafluoroethylene and polyester insulation enclosed motor windings lead wire, constitute by copper core conductor, braid, insulating barrier, it is characterized in that: outside the copper core conductor, be coated with braiding internal layer, teflon insulation layer, polyester insulated layer and woven outer layer successively.
2. copper core polytetrafluoroethylene according to claim 1 and polyester insulation enclosed motor windings lead wire is characterized in that: described conductor is that the tiny copper cash of many diameters is through the stranded wire harness that forms.
3. copper core polytetrafluoroethylene according to claim 1 and polyester insulation enclosed motor windings lead wire is characterized in that: described braiding internal layer and woven outer layer all are the dacron threads that formed by braiding after the Passivation Treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100144732A CN101098098A (en) | 2006-06-29 | 2006-06-29 | Copper core teflon and polyester insulation enclosed electric machine winding lead wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100144732A CN101098098A (en) | 2006-06-29 | 2006-06-29 | Copper core teflon and polyester insulation enclosed electric machine winding lead wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101098098A true CN101098098A (en) | 2008-01-02 |
Family
ID=39011688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100144732A Pending CN101098098A (en) | 2006-06-29 | 2006-06-29 | Copper core teflon and polyester insulation enclosed electric machine winding lead wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101098098A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104851484A (en) * | 2014-02-14 | 2015-08-19 | 安徽新华电缆(集团)有限公司 | High-temperature-resistant cable for metallurgical casting |
-
2006
- 2006-06-29 CN CNA2006100144732A patent/CN101098098A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104851484A (en) * | 2014-02-14 | 2015-08-19 | 安徽新华电缆(集团)有限公司 | High-temperature-resistant cable for metallurgical casting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5534035B2 (en) | Insulated wire for automobile and wire harness for automobile | |
| CN104540667A (en) | Transfer hose, in particular for use at high temperatures | |
| JP5778331B1 (en) | Insulated wires and coils | |
| CN1358317A (en) | Multilayer insulated wire and transformer comprising the same | |
| CN101098098A (en) | Copper core teflon and polyester insulation enclosed electric machine winding lead wire | |
| CN202887850U (en) | Multi-core power cable for offshore wind-driven generator | |
| CN104900345A (en) | Production process for photovoltaic cable with high electric conductivity | |
| CN203260341U (en) | Special-type high-temperature winding wire | |
| CN202003724U (en) | Anti-torsion flexible cable for wind-driven generation | |
| CN2932809Y (en) | Double-insulation double-braided motor winding lead wire | |
| CN103093866B (en) | High temperature resistant silver-plated pitch of the laps line | |
| CN203085223U (en) | Ultra-thin insulation ultra-soft closed motor lead wire | |
| CN203490972U (en) | USB (Universal Serial Bus) cable | |
| JP2017182952A (en) | Shield wire and manufacturing method of shield wire | |
| CN206058926U (en) | A kind of high tensile power alloy enamel-covered wire | |
| CN201820492U (en) | Corona-resistance leader cable for variable frequency motor | |
| CN203562228U (en) | Butyronitrile polyvinyl chloride sheath flat cable | |
| CN220065243U (en) | Oil-resistant corrosion-resistant environment-friendly power cable | |
| JP6149767B2 (en) | Conductor wire processing die and enameled wire manufacturing apparatus and method using the same | |
| CN206946973U (en) | A kind of Novel tensile corrosion resistant enamel-covered wire | |
| CN203013300U (en) | High-temperature resistant silver plating wound coil | |
| CN204130224U (en) | The wear-resisting electric automobile cable of a kind of super oil resistant | |
| CN203746490U (en) | Multi-conductor core armoured cable for electric power control | |
| CN203733515U (en) | Novel buggy ladle cable | |
| CN202996356U (en) | Friction-resisting highly-insulating electric cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080102 |