CN201639369U - Structure of submersible motor stator - Google Patents
Structure of submersible motor stator Download PDFInfo
- Publication number
- CN201639369U CN201639369U CN2009202659677U CN200920265967U CN201639369U CN 201639369 U CN201639369 U CN 201639369U CN 2009202659677 U CN2009202659677 U CN 2009202659677U CN 200920265967 U CN200920265967 U CN 200920265967U CN 201639369 U CN201639369 U CN 201639369U
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- end ring
- flange end
- stator
- winding
- submersible motor
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- Expired - Lifetime
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model discloses a structure of a submersible motor stator used for a submersible motor, which comprises a stator housing, an iron core, a stator winding and a winding leading-out wire, and is characterized in that an upper flange end ring and a lower flange end ring are respectively welded on the upper and the lower ends of the stator housing in a sealed manner, a 0.08-0.18 mm think shield sleeve with air tightness is fixed on the inner surface of the iron core in a sealed manner and extends to the upper flange end ring and the lower flange end ring, a leading-out wire sealing device wrapping the periphery of the winding leading-out wire in a sealed manner is arranged on the upper flange end ring, and insulating sealant is filled into gaps between the stator housing and the shield sleeve, between the upper flange end ring and the lower flange end ring, and between the iron core and the stator winding. The utility model has the benefits of full sealing of the motor stator winding, high watertight and insulating peformances of the motor stator winding, simple structure, and safe and reliable use.
Description
Technical field
The utility model relates to a kind of motor stator structure, especially a kind of stator structure of submersible motor of using on submersible motor.
Background technology
In the prior art, traditional submersible motor stator comprises stator casing, iron core and stator winding and winding lead-out wire, and three kinds of dry type, filling type and Waters are structurally arranged; Dry-type submersible motor and oil-filled submersible motor adopt mechanical seal to make motor internal and outside isolated usually, and the motor internal winding does not contact outside liquid, reaches the insulation property of protection motor stator winding; The problem that exists is: because the protection of this motor windings insulation relies on mechanical seal to realize, therefore require mechanical seal necessary reliable, in case mechanical seal was lost efficacy, the insulation of motor windings is damaged at once, the life-span of motor windings insulation is depended on the quality and the life-span of mechanical seal to a great extent, the electric machine structure complexity, mechanical loss is big; Water-filled Type Submersible Motors adopts polyethylene insulated nylon sheath water proof winding wires to realize the insulation protection of motor windings usually, because the polyethylene insulated nylon sheath water proof winding wires external diameter that same cross-sectional is amassed is more much bigger than the enamelled wire of same specification, cause Water-filled Type Submersible Motors winding copper factor low, motor volume is big, efficient is low, the manufacturing cost height; More than the stator structure of submersible motor of several structures shortcoming is respectively arranged, have weak point.
The utility model content
The technical problems to be solved in the utility model provides that a kind of motor stator winding seals fully, can improve the water-fast insulation property of motor stator winding, the life-span that can overcome the insulation of dry-type submersible motor and oil-filled submersible motor motor windings is depended on the quality of mechanical seal and life-span, electric machine structure complexity, the shortcoming that mechanical loss is big to a great extent, can avoid the shortcoming that Water-filled Type Submersible Motors winding copper factor is low, motor volume is big, efficient is low, manufacturing cost is high again, stator structure of submersible motor simple in structure, safe and reliable.
For solving the problems of the technologies described above, the technical scheme of the utility model stator structure of submersible motor is: comprise stator casing, iron core and stator winding and winding lead-out wire, be characterized in: sealed type is welded with upper flange end ring and lower flange end ring respectively at the two ends up and down of stator casing, also having one has bubble-tight, wall thickness be 0.08～0.18 millimeter the housing sealing and fixing the inner surface of iron core and extend to the upper flange end ring and the lower flange end ring on, on the upper flange end ring, also be provided with a lead-out wire sealing device that is sealedly surrounded by winding lead-out wire periphery, between stator casing and the housing and between upper flange end ring and the lower flange end ring, electric insulating sealant has all been filled with in gap between the also cored and stator winding.
The technical scheme that the utility model is further improved is: also be provided with an injecting glue screw on the described lower flange end ring, by a holding screw sealing.
As one of optimal technical scheme of the present utility model be: the wall thickness of described housing is 0.1～0.15 millimeter.
As two of optimal technical scheme of the present utility model be: described housing is one and has a bubble-tight cylinder by what stainless sheet steel was rolled into that two ends sealed type respectively are welded on upper flange end ring and the lower flange end ring.
As three of optimal technical scheme of the present utility model be: described electric insulating sealant is an epoxy resin.
The beneficial effects of the utility model are: the utility model has bubble-tight owing to having packed at the motor stator core endoporus, wall thickness has only 0.08～0.18 millimeter housing, and make the motor stator top ring, lower loop and the welding of motor stator body seal formula, and motor stator top ring, being sealedly and fixedly connected between lower loop and housing, also adopted the lead-out wire sealing device, and at the motor stator shell, the motor stator top ring, lower loop, housing, iron core, be full of electric insulating sealant in the space between motor stator winding, realized the sealing fully of motor stator winding, solved the water-fast Insulation Problems of motor stator winding, and the life-span that has overcome the insulation of dry-type submersible motor and oil-filled submersible motor motor windings depend on the quality and the life-span of mechanical seal to a great extent, the electric machine structure complexity, the shortcoming that mechanical loss is big, avoided Water-filled Type Submersible Motors winding copper factor low again, motor volume is big, efficient is low, the shortcoming that manufacturing cost is high, provide a kind of cost simple in structure low, and the stator structure of submersible motor used of safe and reliable submersible motor.
Description of drawings
Fig. 1 is the cutaway view of the utility model stator structure of submersible motor.
Fig. 2 is the amplification view on the utility model stator structure of submersible motor top.
Fig. 3 is the amplification view of the utility model stator structure of submersible motor lower part.
Embodiment
Below in conjunction with accompanying drawing stator structure of submersible motor of the present utility model is described in more detail.
Shown in Fig. 1～3, the execution mode of the utility model stator structure of submersible motor is: comprise stator casing 1, iron core 2 and stator winding 3 and winding lead-out wire 4, sealed type is welded with upper flange end ring 5 and lower flange end ring 6 respectively at the two ends up and down of stator casing 1, also having one has bubble-tight, wall thickness be 0.08～0.18 millimeter housing 7 sealing and fixing the inner surface of iron core 2 and extend to upper flange end ring 5 and lower flange end ring 6 on, on upper flange end ring 5, also be provided with a lead-out wire sealing device 8 that is sealedly surrounded by winding lead-out wire 4 peripheries, between stator casing 1 and the housing 7 and between upper flange end ring 5 and the lower flange end ring 6, also cored 2 and stator winding 3 between the gap, all filled with electric insulating sealant 9.In the present embodiment, electric insulating sealant 9 can adopt good heat conductivity, the coefficient of expansion and the close high insulating property fluid sealant of winding electric machine stator arranged.
Shown in Fig. 1 and 3, the execution mode that the utility model is further improved is: also be provided with an injecting glue screw 10 on the described lower flange end ring 6, by 11 sealings of a holding screw.Present embodiment can make things convenient for injecting glue, easier sealing fully.
Shown in Fig. 1～3, as one of preferred implementation of the present utility model be: the wall thickness of described housing 7 is 0.1～0.15 millimeter, preferably 0.12 millimeter.
Shown in Fig. 1～3, as two of preferred implementation of the present utility model be: described housing 7 is one and has a bubble-tight cylinder by what stainless sheet steel was rolled into that two ends sealed type respectively are welded on upper flange end ring 5 and the lower flange end ring 6.Preferably adopting wall thickness is that 0.12 millimeter stainless sheet steel is rolled into and has bubble-tight cylinder, also can adopt the seamless stainless steel light-wall pipe, and welding manner can adopt argon arc welding welding or glue envelope bonding.
Shown in Fig. 1～3, as three of preferred implementation of the present utility model be: described electric insulating sealant 9 is epoxy resin.Preferably adopt good heat conductivity, the coefficient of expansion and the close epoxy resin of winding electric machine stator is arranged, for example: mixed by modified epoxy and curing agent and silicon powder and to form a kind of epoxy resin, its weight composition proportioning is: modified epoxy 70%, curing agent 7%, silicon powder 23%.
Motor stator winding in the utility model seals fully, the water-fast insulation property height of motor stator winding, the life-span that has overcome the insulation of dry-type submersible motor and oil-filled submersible motor motor windings is depended on the quality of mechanical seal and life-span, electric machine structure complexity, the shortcoming that mechanical loss is big to a great extent, avoided the shortcoming that Water-filled Type Submersible Motors winding copper factor is low, motor volume is big, efficient is low, manufacturing cost is high again, cost simple in structure is low, and is safe and reliable.
The above be the utility model preferred embodiment, it does not constitute the restriction to the utility model protection range, so long as realize the purpose of this utility model with essentially identical means, all should belong to protection range of the present utility model.
Claims (5)
1. stator structure of submersible motor, comprise stator casing (1), iron core (2) and stator winding (3) and winding lead-out wire (4), it is characterized in that: sealed type is welded with upper flange end ring (5) and lower flange end ring (6) respectively at the two ends up and down of stator casing (1), also having one has bubble-tight, wall thickness be 0.08～0.18 millimeter housing (7) sealing and fixing the inner surface of iron core (2) and extend to upper flange end ring (5) and lower flange end ring (6) on, on upper flange end ring (5), also be provided with a lead-out wire sealing device (8) that is sealedly surrounded by winding lead-out wire (4) periphery, between stator casing (1) and the housing (7) and between upper flange end ring (5) and the lower flange end ring (6), electric insulating sealant (9) has all been filled with in gap between also cored (2) and the stator winding (3).
2. stator structure of submersible motor according to claim 1 is characterized in that: also be provided with an injecting glue screw (10) on the described lower flange end ring (6), sealed by a holding screw (11).
3. stator structure of submersible motor according to claim 1 is characterized in that: the wall thickness of described housing (7) is 0.1～0.15 millimeter.
4. stator structure of submersible motor according to claim 1, it is characterized in that: described housing (7) is one and has a bubble-tight cylinder by what stainless sheet steel was rolled into that two ends sealed type respectively are welded on upper flange end ring (5) and the lower flange end ring (6).
5. stator structure of submersible motor according to claim 1 is characterized in that: described electric insulating sealant (9) is an epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202659677U CN201639369U (en) | 2009-12-25 | 2009-12-25 | Structure of submersible motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202659677U CN201639369U (en) | 2009-12-25 | 2009-12-25 | Structure of submersible motor stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201639369U true CN201639369U (en) | 2010-11-17 |
Family
ID=43083876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202659677U Expired - Lifetime CN201639369U (en) | 2009-12-25 | 2009-12-25 | Structure of submersible motor stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201639369U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764451A (en) * | 2009-12-25 | 2010-06-30 | 江门市瑞荣泵业有限公司 | Stator structure of submersible motor and manufacturing method thereof |
| CN103236768A (en) * | 2013-05-09 | 2013-08-07 | 东华大学 | Water filling type three-phase alternating current asynchronous motor based on sealed structure and application |
| CN103441587A (en) * | 2013-08-23 | 2013-12-11 | 中国核动力研究设计院 | Shielding structure for shielding stator core of motor and stator closed slot threading technology |
| CN106685143A (en) * | 2015-11-10 | 2017-05-17 | 大陆汽车投资（上海）有限公司 | Cooling flow channel of electric vehicle motor |
-
2009
- 2009-12-25 CN CN2009202659677U patent/CN201639369U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764451A (en) * | 2009-12-25 | 2010-06-30 | 江门市瑞荣泵业有限公司 | Stator structure of submersible motor and manufacturing method thereof |
| CN101764451B (en) * | 2009-12-25 | 2014-04-09 | 广东瑞荣泵业有限公司 | Manufacturing method of stator structure of submersible motor |
| CN103236768A (en) * | 2013-05-09 | 2013-08-07 | 东华大学 | Water filling type three-phase alternating current asynchronous motor based on sealed structure and application |
| CN103441587A (en) * | 2013-08-23 | 2013-12-11 | 中国核动力研究设计院 | Shielding structure for shielding stator core of motor and stator closed slot threading technology |
| CN106685143A (en) * | 2015-11-10 | 2017-05-17 | 大陆汽车投资（上海）有限公司 | Cooling flow channel of electric vehicle motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: UANGDONG RUIRONG PUMP INDUSTRY CO., LTD. Free format text: FORMER NAME: RUIRONG PUMP INDUSTRY CO. LTD., JIANGMEN CITY |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Du Ruan North Road Pengjiang District Guangdong city of Jiangmen Province, No. 22 529075 Patentee after: GUANGDONG RUIRONG PUMP INDUSTRY CO., LTD. Address before: 529075 Guangdong Jiangmen Duruan Long Bang Industrial Zone North Huanzhen Road No. 68 Patentee before: Jiangmen Ruirong Pump Industry Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101117 |