CN204761235U - Latent utmost point generator of stator winding vacuum water -cooled - Google Patents
Latent utmost point generator of stator winding vacuum water -cooled Download PDFInfo
- Publication number
- CN204761235U CN204761235U CN201520392143.1U CN201520392143U CN204761235U CN 204761235 U CN204761235 U CN 204761235U CN 201520392143 U CN201520392143 U CN 201520392143U CN 204761235 U CN204761235 U CN 204761235U
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- stator
- copper winding
- water pipe
- insulation
- winding
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- Windings For Motors And Generators (AREA)
Abstract
The utility model discloses a latent utmost point generator of stator winding vacuum water -cooled, it relates to the motor field. The utility model discloses a solve present latent utmost point generator stator copper winding and generate heat and seriously follow the great problem of the axial direction difference in temperature with stator copper winding. The stator water pipe is installed between stator copper winding and stator copper winding insulation along the circumferencial direction to the stator water pipe closely contacts with stator copper winding and stator copper winding insulation, and take out to the vacuum layer in the region that stator water pipe, stator copper winding and stator copper winding insulation surrounded. It has mobile cooling water to lead to in the stator water pipe, and the cross -section of stator water pipe is the square. The utility model discloses simple structure has restricted the temperature rise of the serious stator copper winding of latent utmost point generator internal heat generation and its transfer heat's ability effectively, has reduced the temperature of stator copper winding and stator copper winding insulation, has strengthened the ability of latent utmost point generator safety and stability operation.
Description
Technical field
The utility model relates to stator winding vacuum water cold type non salient pole generator, belongs to machine field.
Background technology
The performance of large-scale non salient pole generator all has a great impact the supply of electric power and the stability of electrical network, how to improve the vital task that the single-machine capacity of non salient pole generator and runnability have become generator designs.And the single-machine capacity of non salient pole generator will be made to be improved, just need the current density by strengthening in stator copper winding, namely the electromagnetic load increasing generator realizes, but this must cause each component loss in generator to increase accordingly, the temperature rise of each component in non salient pole generator is caused to increase further, especially the temperature rise increase of stator copper winding is more obvious, the as easy as rolling off a log temperature rise limit exceeding stator copper winding insulation, has threatened the stable operation of non salient pole generator.
Major issue faced by non salient pole generator projector needs how effectively to improve the heat-sinking capability of non salient pole generator and the temperature rise of restriction generator internal stator copper winding, adapts to the single-machine capacity of the generator constantly increased.Therefore, be badly in need of adopting the cooling technology of reasonable more to reduce the temperature rise of stator copper winding, make it be no more than the temperature rise limit of stator copper winding insulation, guarantee that non salient pole generator can safe and stable operation.
Summary of the invention
The purpose of this utility model is to provide stator winding vacuum water cold type non salient pole generator, cause too high and that in axial direction the temperature difference the is larger problem of stator copper winding temperature to solve non salient pole generator because stator copper loss is high, cooling effect is poor, effectively can improve the cooling effect of stator copper winding and stator copper winding insulation.
Stator winding vacuum water cold type non salient pole generator of the present utility model, it comprises stator copper winding, stator water pipe, stator copper winding insulation, vacuum layer, layer insulation and slot wedge.Stator copper winding is made up of stator upper copper winding and stator lower floor copper winding, and stator water pipe is made up of stator upper strata water pipe and stator lower floor water pipe, and stator copper winding insulation is made up of stator upper copper winding insulation and stator lower floor copper winding insulation.Stator water pipe is along the circumferential direction arranged between stator copper winding and stator copper winding insulation, and stator water pipe closely contacts with stator copper winding insulation with stator copper winding, the region that stator water pipe, stator copper winding and stator copper winding insulation surround is vacuum layer.The cooling water of flowing is connected with in stator water pipe.
The cross section of stator water pipe is square, and the foursquare length of side is taken as 5mm-9mm.The flow velocity of the cooling water be connected with in stator water pipe is 1m/s-4m/s, needs to determine according to the size of current in the single-machine capacity of non salient pole generator and stator copper winding.Be evacuated the region that stator water pipe, stator copper winding and stator copper winding insulation surround layer, serves heat insulation effect, hinder the heat that stator copper winding transmits to stator copper winding insulation.Quantity along the stator water pipe of stator copper winding outer surface installation is 10-14.
As preferably, the quantity of described stator upper strata water pipe increases, and significantly reduces the temperature of the even more serious stator upper copper winding of heating.
As preferably, the centre position of described stator upper copper winding and stator upper copper winding insulation installs thermal insulation board A additional, and the thickness of thermal insulation board A is 3mm-4mm.Install thermal insulation board B additional in the centre position of stator lower floor copper winding and stator lower floor copper winding insulation, the thickness of thermal insulation board B is 1mm-2mm.External vacuum layer is pumped in region between thermal insulation board and stator copper winding insulation, and inner vacuum layer is pumped in the region between stator copper winding and thermal insulation board.The heat that stator copper winding can be hindered after installing thermal insulation board additional further to transmit to stator copper winding insulation, reduces the temperature of stator copper winding insulation.
Advantage of the present utility model: be evacuated the region that stator water pipe, stator copper winding and stator copper winding insulation surround layer, this vacuum layer serves heat insulation effect, effectively hinders stator copper winding is delivered to stator copper winding insulation heat by vacuum layer.Cooling water in the stator water pipe of arranging around stator copper winding can also take away stator copper winding efficiently, stator copper winding insulation and the heat between stator copper winding and stator copper winding insulation in vacuum layer.Significantly reduce the temperature of stator copper winding and stator copper winding insulation, solve the stator copper winding problem that in axial direction temperature difference is larger.This utility model structure is simple, the thermal endurance class requirement of stator copper winding insulation can be reduced, save the cost of insulating material, effectively limit the serious temperature rise of stator copper winding of non salient pole generator internal heat generation and the ability of its transferring heat, ensure that the safe and stable operation of non salient pole generator.
accompanying drawing illustrates:
For ease of illustrating, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is the structural representation of vacuum water cold type stator winding described in the utility model;
Fig. 2 is the structural representation of the vacuum water cold type stator winding described in the utility model embodiment two;
Fig. 3 is the structural representation of the vacuum water cold type stator winding described in the utility model embodiment three.
In figure: 1-stator copper winding; 2-stator water pipe; 3-stator copper winding insulation; 4-vacuum layer; 5-layer insulation; 6-slot wedge; 7-thermal insulation board A; 8-thermal insulation board B; 9-external vacuum layer; 10-inner vacuum layer.
embodiment:
For making the purpose of this utility model, technical scheme and advantage clearly understand, below by the specific embodiment shown in accompanying drawing, the utility model is described.But should be appreciated that, these describe just exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present utility model.
Embodiment one: composition graphs 1 illustrates present embodiment, the stator winding vacuum water cold type non salient pole generator described in present embodiment, it comprises stator copper winding 1, stator water pipe 2, stator copper winding insulation 3, vacuum layer 4, layer insulation 5 and slot wedge 6.Stator copper winding 1 is made up of stator upper copper winding 1-1 and stator lower floor copper winding 1-2, stator water pipe 2 is made up of stator upper strata water pipe 2-1 and stator lower floor water pipe 2-2, and stator copper winding insulation 3 is made up of stator upper copper winding insulation 3-1 and stator lower floor copper winding insulation 3-2.Stator water pipe 2 is along the circumferential direction arranged between stator copper winding 1 and stator copper winding insulation 3, and stator water pipe 2 closely contacts with stator copper winding insulation 3 with stator copper winding 1, the region that stator water pipe 2, stator copper winding 1 and stator copper winding insulation 3 surround is vacuum layer 4.The cooling water of flowing is connected with in stator water pipe 2.
The cross section of stator water pipe 2 is square, and the foursquare length of side is taken as 5mm-9mm, and the present embodiment is taken as 8mm.The flow velocity of the cooling water be connected with in stator water pipe 2 is 1m/s-4m/s, needs to determine according to the size of current in the single-machine capacity of non salient pole generator and stator copper winding 1, and the present embodiment is taken as 2m/s.Be evacuated the region that stator water pipe 2, stator copper winding 1 and stator copper winding insulation 3 surround layer 4, serves heat insulation effect, hinder the heat that stator copper winding 1 transmits to stator copper winding insulation 3.Quantity along the stator water pipe 2 of stator copper winding 1 outer surface installation is 10-14, and the present embodiment is taken as 12.
The heat of stator copper winding 1 can be taken away by the cooling water in stator copper winding 1 surrounding stator water pipe 2.Vacuum layer 4 between stator copper winding 1 and stator copper winding insulation 3 can hinder the transmission of heat effectively, and be delivered in the process of stator copper winding insulation 3 at the heat of stator copper winding 1 by vacuum layer 4, cooling water in stator water pipe 1 in vacuum layer 4 has taken away the heat in vacuum layer 4, and the heat arriving stator copper winding insulation 3 is obviously reduced.In addition, the cooling water in stator water pipe 1 also serves cooling effect to stator copper winding insulation 3.The heat that stator copper winding 1 is delivered to stator copper winding insulation 3 effectively can be reduced under the effect of multiple cooling technology, significantly reduce the temperature of stator copper winding 1 and stator copper winding insulation 3, effectively limit the serious temperature rise of stator copper winding 1 of non salient pole generator internal heat generation and the ability of its transferring heat, solve stator copper winding 1 problem that in axial direction temperature difference is larger.
Embodiment two: composition graphs 2 illustrates present embodiment, the difference of present embodiment and execution mode one is that it is encrypted the quantity of stator upper strata water pipe 2-1, significantly reduces the temperature of the even more serious stator upper copper winding 1-1 of heating.Other composition and annexation identical with execution mode one.
Embodiment three: composition graphs 3 illustrates present embodiment, the difference of present embodiment and execution mode one is that it installs thermal insulation board A7 additional in the centre position of stator upper copper winding 1-1 and stator upper copper winding insulation 3-1, the thickness of thermal insulation board A7 is 3mm-4mm, and the present embodiment is taken as 3mm.Install thermal insulation board B8 additional in the centre position of stator lower floor copper winding 1-2 and stator lower floor copper winding insulation 3-2, the thickness of thermal insulation board B8 is 1mm-2mm, and the present embodiment is taken as 1mm.External vacuum layer 9 is pumped in region between thermal insulation board and stator copper winding insulation 3, and inner vacuum layer 10 is pumped in the region between stator copper winding 1 and thermal insulation board.The heat that stator copper winding 1 can be hindered after installing thermal insulation board additional further to transmit to stator copper winding insulation 3, reduces the temperature of stator copper winding insulation 3.Other composition and annexation identical with execution mode one.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. stator winding vacuum water cold type non salient pole generator, it is characterized in that: it comprises stator copper winding (1), stator water pipe (2), stator copper winding insulation (3), vacuum layer (4), layer insulation (5) and slot wedge (6), stator copper winding (1) is made up of stator upper copper winding (1-1) and stator lower floor copper winding (1-2), stator water pipe (2) is made up of stator upper strata water pipe (2-1) and stator lower floor water pipe (2-2), stator copper winding insulation (3) is made up of stator upper copper winding insulation (3-1) and stator lower floor copper winding insulation (3-2), stator water pipe (2) is along the circumferential direction arranged between stator copper winding (1) and stator copper winding insulation (3), and stator water pipe (2) closely contacts with stator copper winding insulation (3) with stator copper winding (1), stator water pipe (2), the region that stator copper winding (1) and stator copper winding insulation (3) surround is vacuum layer (4), the cooling water of flowing is connected with in stator water pipe (2), the cross section of stator water pipe (2) is square, the foursquare length of side is taken as 5mm-9mm, the flow velocity of the cooling water be connected with in stator water pipe (2) is 1m/s-4m/s, needs to determine according to the size of current in the single-machine capacity of non salient pole generator and stator copper winding (1), quantity along the stator water pipe (2) of stator copper winding (1) outer surface installation is 10-14.
2. stator winding vacuum water cold type non salient pole generator according to claim 1, is characterized in that: the quantity on described stator upper strata water pipe (2-1) increases.
3. stator winding vacuum water cold type non salient pole generator according to claim 1, it is characterized in that: described stator upper copper winding (1-1) and the centre position of stator upper copper winding insulation (3-1) install thermal insulation board (7) additional, thermal insulation board A(7) thickness be 3mm-4mm, install thermal insulation board B(8 additional in the centre position of stator lower floor copper winding (1-2) and stator lower floor copper winding insulation (3-2)), thermal insulation board B(8) thickness be 1mm-2mm; External vacuum layer (9) is pumped in region between thermal insulation board and stator copper winding insulation (3), and inner vacuum layer (10) is pumped in the region between stator copper winding (1) and thermal insulation board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392143.1U CN204761235U (en) | 2015-06-09 | 2015-06-09 | Latent utmost point generator of stator winding vacuum water -cooled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392143.1U CN204761235U (en) | 2015-06-09 | 2015-06-09 | Latent utmost point generator of stator winding vacuum water -cooled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204761235U true CN204761235U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520392143.1U Withdrawn - After Issue CN204761235U (en) | 2015-06-09 | 2015-06-09 | Latent utmost point generator of stator winding vacuum water -cooled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204761235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901481A (en) * | 2015-06-09 | 2015-09-09 | 哈尔滨理工大学 | Stator-winding vacuum water-cooled type non-salient pole generator |
-
2015
- 2015-06-09 CN CN201520392143.1U patent/CN204761235U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901481A (en) * | 2015-06-09 | 2015-09-09 | 哈尔滨理工大学 | Stator-winding vacuum water-cooled type non-salient pole generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151111 Effective date of abandoning: 20180316 |
|
| AV01 | Patent right actively abandoned |