CN203761164U - Stator coil insulation structure with main insulation thickness of 1.2 to 1.4mm - Google Patents
Stator coil insulation structure with main insulation thickness of 1.2 to 1.4mm Download PDFInfo
- Publication number
- CN203761164U CN203761164U CN201320817040.6U CN201320817040U CN203761164U CN 203761164 U CN203761164 U CN 203761164U CN 201320817040 U CN201320817040 U CN 201320817040U CN 203761164 U CN203761164 U CN 203761164U
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- CN
- China
- Prior art keywords
- epoxy polyester
- insulation
- coil
- polyester film
- insulated part
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- Expired - Fee Related
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model discloses a stator coil insulation structure with a main insulation thickness of 1.2 to 1.4mm. The stator coil insulation structure comprises a coil linear insulation part and a coil end insulation part, the coil linear insulation part is composed of one layer of an epoxy glass less-resin mica tape (1) in a half lap and four layers of an epoxy polyester film less-resin powder mica tape (2) in a half lap; the epoxy polyester film less-resin powder mica tape (2) is wrapped by one layer of low resistivity zone (3) in a half lap; the coil end insulation part adopts three layers of the epoxy polyester film less-resin powder mica tape (2) in the half lap; the epoxy polyester film less-resin powder mica tape (2) is wrapped by one layer of breathable protective belt in a half lap; and each layer of the epoxy polyester film less-resin powder mica tape (2) of the coil end insulation part and of the coil linear insulation part form an inverted pyramidal lap joint. According to the utility model, the coil is wrapped by the insulation and moved out of the assembly line, greatly improving the production efficiency; and the operation reliability of the high voltage asynchronous motor can be ensured.
Description
Technical field
The utility model is the insulation system of a kind of main insulation thickness stator coil that is 1.2～1.4mm, is the structure that is 1.2～1.4mm for the monolateral insulation thickness of 6kV high-voltage motor stator coil research and development.
Background technology
The neutral high-voltage motor insulated manufacture field of F level at home, adopt in a large number " the few whole VPI of soaking technique of glue " technology path this year always, the insulating material using is that non-forging is around muscovite isolit, be called for short few adhesive tape, it has many advantages, prick as being applicable to craft or machine handbag, operating efficiency is high, it is compatible with the cinnamic impregnating resin of epoxy polyester, its dielectric strength of structure after insulation processing completes, mechanical strength and moisture resistance, decay resistance is all good, thermal conductivity is good, contribute to again to reduce electric machine temperature rise, and there are good mechanical performance and dielectric property.
Utility model content
The utility model provides the insulation system of the stator coil that a kind of main insulation thickness is 1.2～1.4mm, and the wrapped number of plies of its thickness and material is all carried out strict control, makes electrical property excellence, and hot dielectric loss is low; Insulation breakdown level obviously improves, and makes the insulation system of high-voltage asynchronous motor be suitable for stable long-term operation.
The utility model provide technical scheme be:
The insulation system of the stator coil that a kind of main insulation thickness is 1.2～1.4mm, include coil straight line insulated part, end winding insulated part, it is characterized in that: described coil straight line insulated part is by expoxy glass low resin mica tape (1) half-stack package one deck and four layers of formation of epoxy polyester film dry mica-paper tapes (2) half-stack package; At the outer half-stack package low-resistance belt of described epoxy polyester film dry mica-paper tapes (2) (3) one deck; Described end winding insulated part adopts three layers of epoxy polyester film dry mica-paper tapes (2) half-stack packages, at the outer half-stack package one deck of epoxy polyester film dry mica-paper tapes (2) one-way ventilating boundary belt; Every one deck epoxy polyester film dry mica-paper tapes (2) of described end winding insulated part and coil straight line insulated part forms anti-cone overlap joint.
The insulation system of the stator coil that described main insulation thickness is 1.2～1.4mm; it is characterized in that: the high stopband of half-stack package one deck (4) outside the corner that described end winding insulated part is connected with coil straight line insulated part, high stopband (4) initiating terminal is to the outer half-stack package one-way ventilating of whole end winding boundary belt one deck.
The insulation system of the stator coil that described main insulation thickness is 1.2～1.4mm; it is characterized in that: the both sides pad at described end winding insulated part lead-out wire place is established 7530-Z1 material (5) one deck, 7530-Z1 material (5) is fixing with three layers of one-way ventilating boundary belt lap wounds with lead-in wire.
The insulation system of the stator coil that described main insulation thickness is 1.2～1.4mm; it is characterized in that: when described end winding insulation division subpackage lead wire insulation; its length is from (1/3～1/2) L place to end hypotenuse length L apart from nose 20～25mm; lead end is reinstated 1 layer of epoxy polyester low resin mica tape half-stack package from lead-in wire root; with three layers of epoxy polyester low resin mica tape (2) half-stack packages, (two ends are bundled into cone to lead-in wire; long 40～the 60mm of taper), at its outside half-stack package one-way ventilating boundary belt one deck again.
The insulation system of the stator coil that described main insulation thickness is 1.2～1.4mm, it is characterized in that: described low-resistance belt (3) stretches out core length 30mm, described low-resistance belt (3) wrapping is cut into hypotenuse when starting, finishing up flushes its edges at two ends.
The utility model has the advantages that:
The utility model coil rolls off the production line after wrapping insulation, greatly enhances productivity; Can ensure preferably the operational reliability of high-voltage asynchronous motor.
Brief description of the drawings
Fig. 1 is the structural representation of coil straight line insulated part of the present utility model, end winding insulated part.
Fig. 2 is overall structure schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, 2, the insulation system of the stator coil that a kind of main insulation thickness is 1.2～1.4mm, include coil straight line insulated part, end winding insulated part, coil straight line insulated part is made up of four layers of expoxy glass low resin mica tape 1 half-stack package one deck and epoxy polyester film dry mica-paper tapes 2 half-stack packages; At outer half-stack package low-resistance belt 3 one decks of described epoxy polyester film dry mica-paper tapes 2; Described end winding insulated part adopts three layers of epoxy polyester film dry mica-paper tapes 2 half-stack packages, at the outer half-stack package one deck of epoxy polyester film dry mica-paper tapes 2 one-way ventilating boundary belt; Every one deck epoxy polyester film dry mica-paper tapes 2 of described end winding insulated part and coil straight line insulated part forms anti-cone overlap joint.
The high stopband 4 of half-stack package one deck outside the corner that end winding insulated part is connected with coil straight line insulated part, high stopband 4 initiating terminals are to the outer half-stack package one-way ventilating of whole end winding boundary belt one deck.
The both sides pad at end winding insulated part lead-out wire place is established 7530-Z1 material 5 one decks, and 7530-Z1 material 5 is fixing with three layers of one-way ventilating boundary belt lap wounds with lead-in wire.
When end winding insulation division subpackage lead wire insulation; its length is from (1/3～1/2) L place to end hypotenuse length L apart from nose 20～25mm; lead end is reinstated 1 layer of epoxy polyester low resin mica tape half-stack package from lead-in wire root; with three layers of epoxy polyester low resin mica tape 2 half-stack packages, (two ends are bundled into cone to lead-in wire; long 40～the 60mm of taper), at its outside half-stack package one-way ventilating boundary belt one deck again.
Low-resistance belt 3 stretches out core length 30mm, and described low-resistance belt 3 wrappings are cut into hypotenuse when starting, finishing up flushes its edges at two ends.
Claims (5)
1. the insulation system of the stator coil that a main insulation thickness is 1.2～1.4mm, include coil straight line insulated part, end winding insulated part, it is characterized in that: described coil straight line insulated part is by expoxy glass low resin mica tape (1) half-stack package one deck and four layers of formation of epoxy polyester film dry mica-paper tapes (2) half-stack package; At the outer half-stack package low-resistance belt of described epoxy polyester film dry mica-paper tapes (2) (3) one deck; Described end winding insulated part adopts three layers of epoxy polyester film dry mica-paper tapes (2) half-stack packages, at the outer half-stack package one deck of epoxy polyester film dry mica-paper tapes (2) one-way ventilating boundary belt; Every one deck epoxy polyester film dry mica-paper tapes (2) of described end winding insulated part and coil straight line insulated part forms anti-cone overlap joint.
2. the insulation system of the stator coil that main insulation thickness according to claim 1 is 1.2～1.4mm; it is characterized in that: the high stopband of half-stack package one deck (4) outside the corner that described end winding insulated part is connected with coil straight line insulated part, high stopband (4) initiating terminal is to the outer half-stack package one-way ventilating of whole end winding boundary belt one deck.
3. the insulation system of the stator coil that main insulation thickness according to claim 1 is 1.2～1.4mm; it is characterized in that: the both sides pad at described end winding insulated part lead-out wire place is established 7530-Z1 material (5) one deck, 7530-Z1 material (5) is fixing with three layers of one-way ventilating boundary belt lap wounds with lead-in wire.
4. the insulation system of the stator coil that main insulation thickness according to claim 1 is 1.2～1.4mm; it is characterized in that: when described end winding insulation division subpackage lead wire insulation; its length is from (1/3～1/2) L place to end hypotenuse length L apart from nose 20～25mm; lead end is reinstated 1 layer of epoxy polyester low resin mica tape half-stack package from lead-in wire root; three layers of epoxy polyester low resin mica tape (2) half-stack packages for lead-in wire, at its outside half-stack package one-way ventilating boundary belt one deck again.
5. the insulation system of the stator coil that main insulation thickness according to claim 1 is 1.2～1.4mm, it is characterized in that: described low-resistance belt (3) stretches out core length 30mm, described low-resistance belt (3) wrapping is cut into hypotenuse when starting, finishing up flushes its edges at two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320817040.6U CN203761164U (en) | 2013-12-11 | 2013-12-11 | Stator coil insulation structure with main insulation thickness of 1.2 to 1.4mm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320817040.6U CN203761164U (en) | 2013-12-11 | 2013-12-11 | Stator coil insulation structure with main insulation thickness of 1.2 to 1.4mm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761164U true CN203761164U (en) | 2014-08-06 |
Family
ID=51256400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320817040.6U Expired - Fee Related CN203761164U (en) | 2013-12-11 | 2013-12-11 | Stator coil insulation structure with main insulation thickness of 1.2 to 1.4mm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203761164U (en) |
-
2013
- 2013-12-11 CN CN201320817040.6U patent/CN203761164U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20211211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |