CN109301993A - A kind of aeration structure of medium and small vertical hydrogenerator - Google Patents
A kind of aeration structure of medium and small vertical hydrogenerator Download PDFInfo
- Publication number
- CN109301993A CN109301993A CN201811360005.XA CN201811360005A CN109301993A CN 109301993 A CN109301993 A CN 109301993A CN 201811360005 A CN201811360005 A CN 201811360005A CN 109301993 A CN109301993 A CN 109301993A
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- Prior art keywords
- magnetic yoke
- yoke block
- fan housing
- medium
- ventilation hole
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention proposes in one kind, the aeration structure of miniature vertical water turbine generator, it is characterized in that, it include: hydrogenerator main shaft, multiple magnetic yoke blocks, lower fan housing, upper fan housing, vent segment, pillar, hot jacket is on the generator shaft after the multiple magnetic yoke block processing, ventilation hole is evenly distributed with along center on magnetic yoke block, the ventilation hole is up and down, composition is connected with pillar by multiple vent segments between the adjacent magnetic yoke block, the upper fan housing is mounted on the disposed at air vent on the magnetic yoke block above the hydraulic turbine generator main shaft, the lower fan housing is mounted on the disposed at air vent on the magnetic yoke block positioned at below the hydrogenerator main shaft, the upper fan housing and lower fan housing are respectively positioned on the outside of magnetic yoke block.The present invention is small suitable for structure size, and the high Medium and Small Hydraulic Generator of revolving speed, structure is simple, and processing capacity is small, easy for installation.
Description
Technical field
The present invention relates to turbine technology field, in particular to a kind of aeration structure of medium and small vertical hydrogenerator.
Background technique
In the prior art, the ventilation of large vertical water turbine generator routinely uses laminated yoke, the reserved air duct in centre
Form.And the whole magnetic yoke that small generator uses is that magnetic yoke and shaft are swaged into integral structure, without radial ventilation, is not able to satisfy
The requirement that unit thermal losses is taken away.
Therefore the present invention devises a kind of aeration structure suitable for medium and small vertical hydrogenerator, is suitable for structure
Size is small, and the high Medium and Small Hydraulic Generator of revolving speed, advantage is that structure is simple, and processing capacity is small, easy for installation, and when operation effectively protects
Demonstrate,prove air-conditioning requirement.
Summary of the invention
In view of the above-mentioned problems, it is an object of the invention to propose a kind of aeration structure of medium and small vertical hydrogenerator,
Small suitable for structure size, the high Medium and Small Hydraulic Generator of revolving speed, advantage is that structure is simple, and processing capacity is small, easy for installation, fortune
Air-conditioning requirement is effectively ensured when row.
The technical proposal adopted by the invention to solve the above technical problems is that: a kind of medium and small vertical hydrogenerator
Aeration structure characterized by comprising hydrogenerator main shaft, multiple magnetic yoke blocks, lower fan housing, upper fan housing, vent segment, branch
Column, hot jacket is evenly distributed with ventilation hole along center on magnetic yoke block on the generator shaft after the multiple magnetic yoke block processing,
The ventilation hole up and down, connects composition, the windward with pillar by multiple vent segments between the adjacent magnetic yoke block
The disposed at air vent being mounted on the magnetic yoke block above the hydraulic turbine generator main shaft is covered, the lower fan housing is mounted on described
Disposed at air vent on the magnetic yoke block below the hydrogenerator main shaft, the upper fan housing and lower fan housing are respectively positioned on magnetic yoke block
Outside, the quantity of the upper fan housing and lower fan housing is identical as the quantity of ventilation hole on a magnetic yoke block, the upper fan housing and
Lower is semiclosed installation between fan housing and ventilation hole.
Further, the upper fan housing is consistent with lower fan housing installation direction.
Further, the upper fan housing and lower opening direction between fan housing and ventilation hole and the hydrogenerator main shaft
Direction of rotation is consistent.
Further, the magnetic yoke block is process by forged steel or cast steel.
Further, the quantity of the magnetic yoke block is odd number, including intermediate magnetic yoke block and two sides magnetic yoke block, the magnetic yoke block of two sides
Quantity is identical with position.
Further, the intermediate magnetic yoke block does not set ventilation hole, and the quantity of the ventilation hole of the magnetic yoke block of two sides is identical with position.
Further, the magnetic yoke block with a thickness of 250-500 millimeters, spacing between adjacent magnetic yoke block is 20-40 millimeters.
Further, the vent segment is with a thickness of 4 millimeters of Q235-A or Q235-B steel plate using bending, and upper and lower
Adjacent magnetic yoke block is intermittently welded using two-sided.
Further, one end of the vent segment bending is located between two ventilation holes, and open one end is located at magnetic yoke block
On the magnetic pole of edge mount at position, radial ventilation slot is formed between two neighboring vent segment, towards between two magnetic poles
Gap, the radial ventilation slot close to ventilation hole one end be wind path entrance, the radial ventilation slot is tapered, wind path entrance
Side is wide, narrow close to magnetic pole side.
Further, the quantity of the column is identical as the quantity of the quantity of the vent segment and magnetic pole respectively, described vertical
Column is located between the bent area of vent segment, and upper and lower ends and the magnetic yoke block welding of the column are fixed.
The present invention has the advantages that the present invention is small suitable for structure size, and the high Medium and Small Hydraulic Generator of revolving speed, advantage
It is that structure is simple, processing capacity is small, easy for installation, and when operation is effectively ensured air-conditioning requirement, also, up and down the two of whole magnetic yoke block
End increases the axial ventilation ability of rotor as fan pressure head equipped with fan housing, and pillar and ventilation are arranged between adjacent magnetic yoke block
Slotted vane, to guarantee the positioning of magnetic yoke block and the ventilation of hydrogenerator radial direction, in addition, to guarantee that lower airway wind path is smooth, it should
Structure middle position magnetic yoke block does not set ventilation hole, and the ventilation hole number of each magnetic yoke block in two sides and position are identical, and vent segment is close
As closely as possible equal to magnetic pole interpolar root size, the wind path throat width close to ventilation hole can be larger magnetic yoke block edge exit width,
Taper is formed, to reduce the windage loss of entrance, improves wind pressure.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of overall structure figure schematic diagram of the aeration structure of medium and small vertical hydrogenerator of the invention；
Fig. 2 is a kind of top view of the top magnetic yoke block of the aeration structure of medium and small vertical hydrogenerator of the invention；
Fig. 3 is vent segment and the column installation of a kind of aeration structure of medium and small vertical hydrogenerator of the invention
The location drawing；
Fig. 4 is a kind of structural representation of the vent segment of the aeration structure of medium and small vertical hydrogenerator of the invention
Figure；
Fig. 5 is a kind of top view of the upper fan housing of the aeration structure of medium and small vertical hydrogenerator of the invention；
Fig. 6 is a kind of side view of the upper fan housing of the aeration structure of medium and small vertical hydrogenerator of the invention.
Wherein: 1, hydrogenerator main shaft；2, intermediate magnetic yoke block；3, two sides magnetic yoke block；4, upper fan housing；5, lower fan housing；6,
Ventilation hole；7, column；8, magnetic pole mounts position；9, vent segment；901, one end bent；902, open one end.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
As shown in figs 1 to 6, a kind of aeration structure of medium and small vertical hydrogenerator characterized by comprising water
Turbine generator main shaft 1, multiple magnetic yoke blocks, lower fan housing 5, upper fan housing 4, vent segment 9, pillar, after the multiple magnetic yoke block processing
Hot jacket is evenly distributed with ventilation hole 6 along center on magnetic yoke block on the generator shaft, the ventilation hole 6 up and down, institute
State and connect composition with pillar by multiple vent segments 9 between adjacent magnetic yoke block, by between each magnetic yoke block setting pillar with
Vent segment 9, to guarantee the positioning of magnetic yoke block and the ventilation of generator radial direction, the upper fan housing 4 is mounted on the water wheels
At the ventilation hole 6 on magnetic yoke block above machine generator shaft, the lower fan housing 5 is mounted on described positioned at the hydrogenerator
At ventilation hole 6 on the magnetic yoke block of 1 lower section of main shaft, as fan pressure head, increase the axial ventilation ability of rotor, the upper fan housing
4 and lower fan housing 5 be respectively positioned on the outside of magnetic yoke block, the quantity and the ventilation hole on a magnetic yoke block of the upper fan housing 4 and lower fan housing 5
6 quantity is identical, is semiclosed installation between the upper fan housing 4 and lower fan housing 5 and ventilation hole 6.
Further, the upper fan housing 4 is consistent with lower 5 installation direction of fan housing.
Further, the opening direction between the upper fan housing 4 and lower fan housing 5 and ventilation hole 6 and the hydraulic generator owner
The direction of rotation of axis 1 is consistent.
Further, the magnetic yoke block is process by forged steel or cast steel.
Further, the quantity of the magnetic yoke block is odd number, including intermediate magnetic yoke block 2 and two sides magnetic yoke block 3, the magnetic yoke of two sides
Number of blocks is identical with position.
Further, to guarantee that lower airway wind path is smooth, the intermediate magnetic yoke block 2 does not set ventilation hole 6, the magnetic yoke block of two sides
Ventilation hole 6 quantity it is identical with position.
Further, the magnetic yoke block with a thickness of 250-500 millimeters, spacing between adjacent magnetic yoke block is 20-40 millimeters.
Further, the vent segment 9 is with a thickness of 4 millimeters of Q235-A or Q235-B steel plate using bending, and upper
Under adjacent magnetic yoke block be intermittently welded using two-sided.
Further, wherein the quantity of vent segment 9 is consistent with the quantity of ventilation hole 6 and magnetic pole, and position and magnetic pole mount position
Set it is corresponding, as shown in Fig. 2, the quantity of vent segment 9 is 12, one end 901 that the vent segment 9 is bent be located at two it is logical
Between air holes 6, the magnetic pole that open one end 902 is located at the edge on magnetic yoke block is mounted at position 8, two neighboring vent segment
Radial ventilation slot is formed between 9, the gap towards between two magnetic poles.Air force can be by adjusting ventilation hole and ventilation slot
The setting of size adaptability, the radial ventilation slot are wind path entrance close to 6 one end of ventilation hole, and the radial ventilation slot is tapered,
Wind path entrance side is wide, to reduce the windage loss of entrance, improves wind pressure, narrow close to 8 side of magnetic pole, as closely as possible equal to 8 interpolar root of magnetic pole
Size.
Further, the quantity of the column 7 is identical as the quantity of the quantity of the vent segment 8 and magnetic pole respectively, described
Column 7 is located between the bent area of vent segment 9, and upper and lower ends and the magnetic yoke block welding of the column 7 are fixed.The present invention is applicable in
Small in structure size, the high Medium and Small Hydraulic Generator of revolving speed, advantage is that structure is simple, and processing capacity is small, easy for installation, when operation
Air-conditioning requirement is effectively ensured, also, increases rotor as fan pressure head equipped with fan housing in the upper and lower ends of whole magnetic yoke block
Pillar and vent segment is arranged, between adjacent magnetic yoke block to guarantee positioning and the hydraulic generator of magnetic yoke block in axial ventilation ability
The ventilation of machine radial direction, in addition, the structure middle position magnetic yoke block does not set ventilation hole, two sides to guarantee that lower airway wind path is smooth
The ventilation hole number of each magnetic yoke block and position are identical, and vent segment is close to magnetic yoke block edge exit width as closely as possible equal to magnetic pole pole
Between root size, can be larger close to the wind path throat width of ventilation hole, form taper, to reduce the windage loss of entrance, improve wind pressure.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of aeration structure of medium and small vertical hydrogenerator characterized by comprising hydrogenerator main shaft, multiple
Magnetic yoke block, lower fan housing, upper fan housing, vent segment, pillar, hot jacket is in the generator shaft after the multiple magnetic yoke block processing
On, it is evenly distributed with ventilation hole along center on magnetic yoke block, the ventilation hole passes through more up and down, between the adjacent magnetic yoke block
A vent segment connects composition with pillar, and the upper fan housing is mounted on the magnetic yoke block above the hydraulic turbine generator main shaft
On disposed at air vent, the lower fan housing is mounted on the ventilation hole on the magnetic yoke block positioned at below the hydrogenerator main shaft
Place, the upper fan housing and lower fan housing are respectively positioned on the outside of magnetic yoke block, the quantity and a magnetic yoke block of the upper fan housing and lower fan housing
On ventilation hole quantity it is identical, the upper fan housing and it is lower be semiclosed installation between fan housing and ventilation hole.
2. a kind of aeration structure of medium and small vertical hydrogenerator according to claim 1, which is characterized in that described
Upper fan housing is consistent with lower fan housing installation direction.
3. a kind of aeration structure of medium and small vertical hydrogenerator according to claim 1, which is characterized in that described
Upper fan housing and lower opening direction between fan housing and ventilation hole are consistent with the direction of rotation of the hydrogenerator main shaft.
4. a kind of aeration structure of medium and small vertical hydrogenerator according to claim 1, which is characterized in that described
Magnetic yoke block is process by forged steel or cast steel.
5. a kind of aeration structure of medium and small vertical hydrogenerator according to claim 1, which is characterized in that described
The quantity of magnetic yoke block is odd number, including intermediate magnetic yoke block and two sides magnetic yoke block, the magnetic yoke number of blocks of two sides be identical with position.
6. a kind of aeration structure of medium and small vertical hydrogenerator according to claim 5, which is characterized in that described
Intermediate magnetic yoke block does not set ventilation hole, and the quantity of the ventilation hole of the magnetic yoke block of two sides is identical with position.
7. a kind of aeration structure of medium and small vertical hydrogenerator according to claim 6, which is characterized in that described
Magnetic yoke block with a thickness of 250-500 millimeters, spacing between adjacent magnetic yoke block is 20-40 millimeters.
8. a kind of aeration structure of medium and small vertical hydrogenerator according to claim 1, which is characterized in that described
Vent segment with a thickness of 4 millimeters of Q235-A or Q235-B steel plate using bending, with neighbouring magnetic yoke block using double
Face is intermittently welded.
9. a kind of aeration structure of medium and small vertical hydrogenerator according to claim 8, which is characterized in that described
One end of vent segment bending is located between two ventilation holes, and the magnetic pole that open one end is located at the edge on magnetic yoke block mounts
At position, radial ventilation slot is formed between two neighboring vent segment, the gap towards between two magnetic poles, the radial ventilation
Slot is wind path entrance close to ventilation hole one end, and the radial ventilation slot is tapered, and wind path entrance side is wide, narrow close to magnetic pole side.
10. a kind of aeration structure of medium and small vertical hydrogenerator according to claim 8, which is characterized in that described
The quantity of column is identical as the quantity of the quantity of the vent segment and magnetic pole respectively, and the column is located at the bending of vent segment
Between area, upper and lower ends and the magnetic yoke block welding of the column are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811360005.XA CN109301993A (en) | 2018-11-15 | 2018-11-15 | A kind of aeration structure of medium and small vertical hydrogenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811360005.XA CN109301993A (en) | 2018-11-15 | 2018-11-15 | A kind of aeration structure of medium and small vertical hydrogenerator |
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| Publication Number | Publication Date |
|---|---|
| CN109301993A true CN109301993A (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811360005.XA Pending CN109301993A (en) | 2018-11-15 | 2018-11-15 | A kind of aeration structure of medium and small vertical hydrogenerator |
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| CN (1) | CN109301993A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713676A (en) * | 2020-11-17 | 2021-04-27 | 北京交通大学 | Optimization method for ventilation hole of axial variable-section stator of traction motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203674814U (en) * | 2013-12-27 | 2014-06-25 | 天津市天发重型水电设备制造有限公司 | Integral magnetic yoke of small and medium vertical hydro-generator |
| CN207801596U (en) * | 2018-01-31 | 2018-08-31 | 湖南云箭集团有限公司 | A kind of magnetic yoke structure of hydrogenerator |
| CN209344945U (en) * | 2018-11-15 | 2019-09-03 | 天津市天发重型水电设备制造有限公司 | A kind of aeration structure of medium and small vertical hydrogenerator |
-
2018
- 2018-11-15 CN CN201811360005.XA patent/CN109301993A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203674814U (en) * | 2013-12-27 | 2014-06-25 | 天津市天发重型水电设备制造有限公司 | Integral magnetic yoke of small and medium vertical hydro-generator |
| CN207801596U (en) * | 2018-01-31 | 2018-08-31 | 湖南云箭集团有限公司 | A kind of magnetic yoke structure of hydrogenerator |
| CN209344945U (en) * | 2018-11-15 | 2019-09-03 | 天津市天发重型水电设备制造有限公司 | A kind of aeration structure of medium and small vertical hydrogenerator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713676A (en) * | 2020-11-17 | 2021-04-27 | 北京交通大学 | Optimization method for ventilation hole of axial variable-section stator of traction motor |
| CN112713676B (en) * | 2020-11-17 | 2021-12-10 | 北京交通大学 | Optimization method for ventilation hole of axial variable-section stator of traction motor |
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