CN104200877A - Composite dipping wire and production method thereof - Google Patents
Composite dipping wire and production method thereof Download PDFInfo
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- CN104200877A CN104200877A CN201410488911.3A CN201410488911A CN104200877A CN 104200877 A CN104200877 A CN 104200877A CN 201410488911 A CN201410488911 A CN 201410488911A CN 104200877 A CN104200877 A CN 104200877A
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- polyester fiber
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- electric conductor
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- fiber cloth
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Abstract
The invention relates to the technical field of electrical winding wires and provides a composite dipping wire and a production method thereof. The composite dipping wire comprises a conductor and an insulation layer, wherein the insulation layer comprises an insulation fiber layer uniformly winding the outside of the conductor, and the insulation fiber layer is made of glass polyester fiber cloth. The composite dipping wire is low in cost and simple to produce, electrical performance and mechanical performance of insulation materials in glass silk winding wires are improved, and application of the glass silk winding wires in the market is completely replaced.
Description
Technical field
The present invention relates to electric manufacture of winding wires technical field, be specially a kind of compound impregnated wire that is applied to transformer coil and similar electric winding coil and preparation method thereof.
Background technology
The electric winding wire that is widely used in the market transformer coil and similar electric winding coil adopts glass fiber winding wire more, its main insulating material is glass fiber, this existing product becomes the main product on market because of the good characteristic such as cheap, product insulation property are good, but a large amount of use meetings of glass fiber cause larger harm to human body:
1, the harm to respiratory system: the workman of contact glass fiber can occur that pneumoconiosis changes, there will be upper respiratory tract irritation and asthma attack, docking contact glass fiber workman lung capacity pathologic finding shows in lung tissue, there is glass fibre dust cell kitchen range, glue unit is slight hyperplasia, lung cancer, pulmonary abscess;
2, the harm to skin: the workman of contact glass fiber can come in contact dermatitis, and part workman can engender hardening phenomenon;
3, the harm of eyes and mucous membrane: the workman of contact glass fibre can suffer from conjunctivitis and keratitis, the visible opacity of the cornea of severe patient and local abscess.
Therefore, glass fiber winding wire is also more and more repelled by producer and user.Developing one and be widely used in transformer coil and similar electric winding coil, substitute the product of currently marketed main product-glass fiber covered winding wire, to reduce the harm to operator, improve production efficiency, is very necessary.
Meanwhile, glass fiber winding wire substitute also must be able to reach electric property and the mechanical performance of insulating material in glass fiber winding wire, the particularly puncture voltage in electric property, as the electric property of glass fiber winding wire product (560V), thereby reach the object that replaces glass wire product completely.
In addition, the making of traditional glass silk winding wire, glass tape adopts canoe as shown in Figure 1, and it uses for a long time, and turn-to-turn easily misplaces, and causes winding deformation, thereby affects safe handling and the life-span of transformer.
Summary of the invention
Technical problem to be solved by this invention is: a kind of compound impregnated wire is provided, and it is with low cost, making is simple, and can reach electric property and the mechanical performance of insulating material in glass fiber winding wire, to replace the application of glass fiber winding wire on market.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of compound impregnated wire, comprises electric conductor and insulating barrier, and described insulating barrier comprises that uniform winding is in the insulating batt of described electric conductor outside, and the material of described insulating batt is glass polyester fiber cloth.
Preferably, described glass polyester fiber cloth is bonded by 70% glass fibre and 30% polyester fiber.
Preferably, described insulating barrier also comprises insulation enamelled coating and belt body insulation enamelled coating, be provided with at least one deck insulating varnish layer at described electric conductor outer surface, described insulation enamelled coating outside is provided with by described glass polyester fiber cloth and holds the multiple insulating batts that form, be provided with at least one deck belt body insulation enamelled coating at the outer surface of insulating batt every layer described, described belt body insulation enamelled coating and described insulating batt from inside to outside, be alternately distributed in the outside of described electric conductor and described insulation enamelled coating, the thickness of described insulating batt is 0.2mm ~ 0.5mm.
Preferably, described insulation enamelled coating has 2 layers, be provided with 1 layer of belt body insulation enamelled coating at the fibrolaminar outer surface of glass polyester fiber insulation every layer described, be provided with 2 layers of belt body insulation enamelled coating at the outer surface of insulating batt described in outermost layer, the thickness of described insulating batt is 0.32mm.
Preferably, the insulating varnish chemical analysis that described insulation enamelled coating or described belt body insulation enamelled coating uses comprises glycerine, two Lis linseed oil, DMT plug gram, ethylene glycol, catalyst, epoxy resin, curing agent and by dimethylbenzene.
Preferably, described electric conductor cross section is circle, flat or rectangle, and material is aluminium or copper.
The preparation method of described compound impregnated wire, by electric conductor raw material after extrusion process becomes described electric conductor, glass polyester fiber cloth described in uniform winding.
Preferably, described glass polyester fiber cloth is bonded by 70% glass fibre and 30% polyester fiber, by described electric conductor raw material after extrusion process becomes described electric conductor, at least be coated with once described insulating varnish at described electric conductor outer surface, and after 250 ~ 270 DEG C of heating, dryings, again from inside to outside, glass polyester fiber cloth described in uniform winding, limit is wound around described glass polyester fiber cloth, limit is evenly coated with described insulating varnish in described glass polyester fiber cloth, on every layer of described insulating batt, be at least coated with once described insulating varnish, and 250 ~ 270 DEG C of oven dry.
Preferably, described electric conductor outer surface be coated with twice described in insulating varnish, and after 250 ~ 270 DEG C of heating, dryings, again from inside to outside, glass polyester fiber cloth described in uniform winding, limit is wound around described glass polyester fiber cloth, and limit is evenly coated with described insulating varnish in described glass polyester fiber cloth, on every layer of described insulating batt, be coated with once described insulating varnish, and 250 ~ 270 DEG C of oven dry.
Preferably, the chemical analysis of described insulating varnish comprises glycerine, two Lis linseed oil, DMT plug gram, ethylene glycol, catalyst, epoxy resin, curing agent and by dimethylbenzene.
Adopt after technique scheme, the invention has the beneficial effects as follows: be insulating material owing to adopting glass polyester fiber cloth, instead of glass fiber to a certain extent in insulation property, and product is produced to following impact:
1,, aspect environmental protection, owing to using glass polyester fiber cloth to replace glass fiber, effectively improved the feature of environmental protection of glass fiber;
2,, aspect production efficiency, owing to having adopted glass polyester fibre cloth winding around electric conductor, improve 20% than glass fiber production efficiency.
And, because the proportion of the insulating material adopting is lower by 1/3 than important than glass fiber, so for user, can reduce corresponding cost to client, and in production efficiency, improve 20% than glass fiber production efficiency, as 400 tons of product annual productions, can contribution tax approximately 2,000,000 yuan.Therefore, its economic benefit is extremely considerable, and this product has very wide market prospects.
Also because the present invention has adopted our company's self-control insulating varnish, and adopt insulating batt and insulation enamelled coating or belt body insulation enamelled coating to be arranged alternately the structure in metallic conductor outside, it is compound varnished insulation structure, greatly improve the uniformity of insulating barrier insulation property, and through many experiments, find out best thickness of insulating layer, further improved in all directions product electric property and mechanical performance.
Product of the present invention is aspect properties of product, and its heatproof index reaches 155 DEG C, and other indexs are as shown in table 1, and product indices of the present invention all approaches and is even better than prior art products, as puncture voltage, can replace glass wire completely.
Brief description of the drawings
Fig. 1 is prior art perspective view;
Fig. 2 is embodiment of the present invention perspective view;
Fig. 3 is embodiment of the present invention insulating batt cross-sectional view;
Wherein, 1, electric conductor; 2, insulation enamelled coating; 3, insulating batt; 4, belt body insulation enamelled coating; 5, glass polyester fiber cloth.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
embodiment 1
The compound impregnated wire of one as shown in Figures 2 and 3, comprises electric conductor 1 and insulating barrier, and electric conductor 1 cross section is rectangle, and material is copper electric conductor, and insulating barrier comprises 2 layers of insulation enamelled coating 2, insulating batt 3 and belt body insulation enamelled coating 4.Insulation enamelled coating outside is held the multilayer insulation fibrage 3 forming by glass polyester fiber cloth 5, be provided with one deck belt body insulation enamelled coating 4 at the outer surface of every layer of insulating batt 3, be provided with 2 layers of belt body insulation enamelled coating 4 at the outer surface of outermost layer insulating batt 3, belt body insulation enamelled coating 4 and insulating batt 3 are from inside to outside, be alternately distributed the outside with insulation enamelled coating 2 at electric conductor 1, the gross thickness of insulating batt 3 and belt body insulation enamelled coating 4 is 0.32mm, insulating batt 4 thickness can be adjusted as required, glass polyester fiber cloth 5 is bonded by 70% glass fibre and 30% polyester fiber.
Every layer of insulating batt 3 laminated to hold by 5 inclinations of glass polyester fiber cloth and forms.Make insulating batt 3 more stable, be difficult for dislocation, solved the turn-to-turn that traditional canoe brings and easily misplaced, cause winding deformation, affect the safe handling of transformer and the problem in life-span.
The chemical analysis of the insulating varnish that insulation enamelled coating 2 and belt body insulation enamelled coating 4 adopts is glycerine, two Lis linseed oil, DMT plug gram, ethylene glycol, catalyst, epoxy resin, curing agent and by dimethylbenzene.
Every layer of insulating batt 3 become 30 ° ~ 60 ° angles to tilt with electric conductor by glass polyester fiber cloth 5, laminate to hold to form.Make insulating batt 3 more stable, be difficult for dislocation, solved the turn-to-turn that traditional canoe brings and easily misplaced, cause winding deformation, affect the safe handling of transformer and the problem in life-span.
The present embodiment provides compound impregnated wire, technical performance, environmental protection, efficiency three aspects: all can reach be even better than glass fiber winding wire in electric property and the mechanical performance of insulating material, and its cost is cheaper, make simply, can replace glass fiber winding wire completely.
embodiment 2
A kind of method of Preparation Example 1 compound impregnated wire, copper raw material, after the orthogonal electric conductor of extrusion process, is coated with to insulating varnish twice at electric conductor outer surface, through 260 DEG C of heating, dryings, be coated with again primary insulation paint, after 260 DEG C of heating, dryings, from inside to outside, uniform winding glass polyester fiber cloth, and limit is wound around glass polyester fiber cloth, limit is evenly coated with insulating varnish in glass polyester fiber cloth, and every layer of glass polyester fiber cloth will be coated with primary insulation paint, and through 260 DEG C of heating, dryings.The outer surface of outermost layer glass polyester fiber cloth is coated with insulating varnish twice.Glass polyester fiber cloth is bonded by 70% glass fibre and 30% polyester fiber.Can be according to the difference of non-conductive fibre layer thickness, to glass polyester fibre cloth winding around the number of plies adjust, and the specification of the glass polyester fiber cloth adopting also can be adjusted as required.
The chemical analysis of the insulating varnish adopting is glycerine, two Lis linseed oil, DMT plug gram, ethylene glycol, catalyst, epoxy resin, curing agent and by dimethylbenzene.
embodiment 3
A kind of compound impregnated wire, comprises electric conductor and insulating barrier, and electric conductor cross section be circle, and material is aluminium, non-conductive fibre layer thickness be 0.2mm, all the other are identical with embodiment 1.
embodiment 4
A kind of compound impregnated wire, comprises electric conductor and insulating barrier, and electric conductor cross section be circle, and material is aluminium, non-conductive fibre layer thickness be 0.5mm, all the other are identical with embodiment 1.
embodiment 5
A preparation method for compound impregnated wire, its insulating varnish is dried under 250 DEG C of conditions, and all the other are with embodiment 2.
embodiment 6
A preparation method for compound impregnated wire, its insulating varnish is dried under 270 DEG C of conditions, and all the other are with embodiment 2.
embodiment 7
A preparation method for compound impregnated wire, after extrusion process becomes electric conductor, coats 2 layer insulating varnish at electric conductor outer surface by electric conductor raw material, through 260 DEG C of heating, dryings, from inside to outside, glass polyester fiber cloth described in uniform winding.
embodiment 8
A preparation method for compound impregnated wire, by electric conductor raw material after extrusion process becomes electric conductor, from inside to outside, glass polyester fiber cloth described in uniform winding.
embodiment 9
A kind of compound impregnated wire, its weight portion proportioning of the insulating varnish chemical composition adopting is: glycerine 10-20 part, two Lis linseed oil 5-10 part, DMT plug gram 1-10 part, ethylene glycol 10-20 part, catalyst 10-15 part, epoxy resin 10-15 part, curing agent 0.1-0.5 part and by dimethylbenzene 15-20 part.All the other are identical with embodiment 1.
Insulating varnish has important impact to the properties of product of compound impregnated wire, its formula can coordinate adjustment with other influences factors such as the structure compositions of insulation impregnating line, such as, the gross thickness of insulating batt and belt body insulating barrier, according to compound impregnated wire performance requirement difference, formula consumption or structural behaviour are arranged in pairs or groups.
Preparation method provided by the present invention and the compound impregnated wire that adopts described preparation method to make, electric property and the mechanical performance of insulating material in technical performance, environmental protection, efficiency three aspects: all can reach glass fiber winding wire, can replace glass fiber winding wire:
1,, aspect properties of product, product indices of the present invention all approaches and is even better than prior art products, can replace glass wire completely;
2,, aspect environmental protection, owing to using glass polyester fiber cloth to replace glass fiber, effectively improved the feature of environmental protection of glass fiber;
3,, aspect production efficiency, owing to having adopted glass fiber mylar to be wound around electric conductor, improve 20% than glass fiber production efficiency.
In addition, because the proportion of the insulating material adopting is lower by 1/3 than important than glass fiber, thus for user, can reduce corresponding cost to client, and in production efficiency, improve 20% than glass fiber production efficiency.By the consumption of current domestic use glass fiber product and the situation comparison of ordering goods former years, estimate product go into operation after 400 tons of annual productions, can contribution tax approximately 2,000,000 yuan.
The present invention is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done, within all dropping on protection scope of the present invention.
Claims (10)
1. a compound impregnated wire, comprises electric conductor and insulating barrier, and described insulating barrier comprises that uniform winding, in the insulating batt of described electric conductor outside, is characterized in that: the material of described insulating batt is glass polyester fiber cloth.
2. compound impregnated wire as claimed in claim 1, is characterized in that: described glass polyester fiber cloth is bonded by 70% glass fibre and 30% polyester fiber.
3. compound impregnated wire as claimed in claim 1, it is characterized in that: described insulating barrier also comprises insulation enamelled coating and belt body insulation enamelled coating, be provided with at least one deck insulating varnish layer at described electric conductor outer surface, described insulation enamelled coating outside is provided with by described glass polyester fiber cloth and holds the multiple insulating batts that form, be provided with at least one deck belt body insulation enamelled coating at the outer surface of insulating batt every layer described, described belt body insulation enamelled coating and described insulating batt are from inside to outside, be alternately distributed the outside at described electric conductor and described insulation enamelled coating, the thickness of described insulating batt is 0.2mm ~ 0.5mm.
4. compound impregnated wire as claimed in claim 3, it is characterized in that: described insulation enamelled coating has 2 layers, be provided with 1 layer of belt body insulation enamelled coating at the fibrolaminar outer surface of glass polyester fiber insulation every layer described, be provided with 2 layers of belt body insulation enamelled coating at the outer surface of insulating batt described in outermost layer, the thickness of described insulating batt is 0.32mm.
5. the compound impregnated wire as described in claim 1,3 or 4, is characterized in that: the insulating varnish chemical analysis that described insulation enamelled coating and described belt body insulation enamelled coating uses comprises glycerine, two Lis linseed oil, DMT plug gram, ethylene glycol, catalyst, epoxy resin, curing agent and by dimethylbenzene.
6. compound impregnated wire as claimed in claim 1, is characterized in that: described electric conductor cross section is circle, flat or rectangle, and material is aluminium or copper.
7. the preparation method of compound impregnated wire described in claim 1, is characterized in that: by electric conductor raw material after extrusion process becomes described electric conductor, from inside to outside, glass polyester fiber cloth described in uniform winding.
8. the preparation method of compound impregnated wire as claimed in claim 7, it is characterized in that: described glass polyester fiber cloth is bonded by 70% glass fibre and 30% polyester fiber, by described electric conductor raw material after extrusion process becomes described electric conductor, at least be coated with once described insulating varnish at described electric conductor outer surface, and after 250 ~ 270 DEG C of heating, dryings, again from inside to outside, glass polyester fiber cloth described in uniform winding, limit is wound around described glass polyester fiber cloth, limit is evenly coated with described insulating varnish in described glass polyester fiber cloth, on every layer of described insulating batt, be at least coated with once described insulating varnish, and 250 ~ 270 DEG C of oven dry.
9. the preparation method of compound impregnated wire as claimed in claim 8, it is characterized in that: described electric conductor outer surface be coated with twice described in insulating varnish, and after 250 ~ 270 DEG C of heating, dryings, again from inside to outside, glass polyester fiber cloth described in uniform winding, limit is wound around described glass polyester fiber cloth, and limit is evenly coated with described insulating varnish in described glass polyester fiber cloth, on every layer of described insulating batt, be coated with once described insulating varnish, and 250 ~ 270 DEG C of oven dry.
10. the preparation method of compound impregnated wire as described in claim 8 or 9, is characterized in that: the chemical analysis of described insulating varnish comprises glycerine, two Lis linseed oil, DMT plug gram, ethylene glycol, catalyst, epoxy resin, curing agent and by dimethylbenzene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410488911.3A CN104200877A (en) | 2014-09-23 | 2014-09-23 | Composite dipping wire and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488911.3A CN104200877A (en) | 2014-09-23 | 2014-09-23 | Composite dipping wire and production method thereof |
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| CN104200877A true CN104200877A (en) | 2014-12-10 |
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| CN201410488911.3A Pending CN104200877A (en) | 2014-09-23 | 2014-09-23 | Composite dipping wire and production method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139934A (en) * | 2015-08-14 | 2015-12-09 | 天津经纬电材股份有限公司 | Glass-fiber and film wrapped all-insulated squared aluminum strand wire |
| CN107852059A (en) * | 2015-07-17 | 2018-03-27 | 西门子公司 | Solid insulating material, its purposes and the insulation system being produced from it |
| CN108475953A (en) * | 2015-12-22 | 2018-08-31 | 西门子股份公司 | Electric machine with stator and its method for manufacturing this stator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306519A (en) * | 2011-06-29 | 2012-01-04 | 太仓市贯龙电磁线有限公司 | Polyester and glass silk wrapping and sintering copper flat wire |
| CN102468001A (en) * | 2010-11-16 | 2012-05-23 | 上海申茂电磁线有限公司 | Double-glass-fiber covered enamelled copper flat wire and production process thereof |
-
2014
- 2014-09-23 CN CN201410488911.3A patent/CN104200877A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468001A (en) * | 2010-11-16 | 2012-05-23 | 上海申茂电磁线有限公司 | Double-glass-fiber covered enamelled copper flat wire and production process thereof |
| CN102306519A (en) * | 2011-06-29 | 2012-01-04 | 太仓市贯龙电磁线有限公司 | Polyester and glass silk wrapping and sintering copper flat wire |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107852059A (en) * | 2015-07-17 | 2018-03-27 | 西门子公司 | Solid insulating material, its purposes and the insulation system being produced from it |
| CN107852059B (en) * | 2015-07-17 | 2021-08-27 | 西门子公司 | Solid insulation material, use thereof and insulation system made therefrom |
| CN105139934A (en) * | 2015-08-14 | 2015-12-09 | 天津经纬电材股份有限公司 | Glass-fiber and film wrapped all-insulated squared aluminum strand wire |
| CN108475953A (en) * | 2015-12-22 | 2018-08-31 | 西门子股份公司 | Electric machine with stator and its method for manufacturing this stator |
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Application publication date: 20141210 |