CN205753850U - The ventilation cooling device of a kind of vertical hydrogenerator and vertical hydrogenerator - Google Patents
The ventilation cooling device of a kind of vertical hydrogenerator and vertical hydrogenerator Download PDFInfo
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- CN205753850U CN205753850U CN201620461638.XU CN201620461638U CN205753850U CN 205753850 U CN205753850 U CN 205753850U CN 201620461638 U CN201620461638 U CN 201620461638U CN 205753850 U CN205753850 U CN 205753850U
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Abstract
The ventilation cooling device of a kind of vertical hydrogenerator and vertical hydrogenerator, including lower bearing bracket；Stator；The upper spider being arranged on stator；The main shaft of rotor and yoke；The pole coil being arranged in yoke；The ventilating and cooling device being arranged on stator；The upper deep bead being connected with the upper end of described stator；The lower deep bead being connected with the lower end of described stator；Described yoke is provided with axial ventilation hole and wind-guiding band, surrounds Radial ventilation duct between adjacent wind-guiding band, and described axial ventilation hole connects with Radial ventilation duct；Described stator is provided with air duct.The technical scheme that this utility model provides, designs by optimizing apparatus for electrical generator ventilation system, meets the requirement of hydrogenerator safe and stable operation；Simplify the structure of electromotor, improve efficiency, reduce manufacturing cost and the electromotor noise of unit, eliminate electromotor and use the issuable potential safety hazard of fan cooling system.
Description
Technical field
This utility model relates to technical field of hydraulic generators, especially relates to the ventilation cooling device of a kind of vertical hydrogenerator；This utility model further relates to a kind of vertical hydrogenerator.
Background technology
Hydrogenerator is operationally, produce substantial amounts of heat, for ensureing the safe and stable operation of electromotor, ventilation cooling device have to be designed, for many years, the ventilating and cooling problem of hydrogenerator is always domestic and international manufacturing firm and research institution's issues that need special attention, the quality of hydrogenerator ventilating and cooling effect, to directly influence exerting oneself and the control of temperature rise of unit, and be related to unit can safe and stable operation.In vertical hydrogenerator enclosed radical self-loopa ventilating system, ventilation pressure element is made up of yoke wind ditch, magnetic pole and upper and lower fan, and windage element is then by surely turning air gap, and meridional wind ditch, air cooler, wind-tunnel, upper and lower wind path and rotor air channel etc. are constituted.In pressure elements fan type formula select according to ventilate requirement and determine, high speed unit use rotating plasma fan, in, low speed unit use centrifugal fan.By yoke wind ditch, magnetic pole and the comprehensive fanning action of fan in unit operation, cold air is blown over rotor coil, stator core and the stator coil end at its upper and lower two ends, motor is run heat produced by rotor coil copper loss, stator core iron loss and stator coil copper loss and takes away.Existing hydrogenerator arranges centrifugal or rotating plasma fan, throw away for ensureing that fan does not rupture in rotary course, break stator, material, the manufacturing process of fan is required the highest, this makes the hydrogenerator structure complexity of fan structure, cost increase, simultaneously because the increase of draft loss and make the efficiency of electromotor reduce.
High speed water turbine generator is high due to rotating speed, and relatively middle low speed water turbine generator iron core is elongated, and the area of rotor over-current passage is relatively small, and SR is big, and ventilating system all installs rotary propeller type fan before, and the draft loss making motor is higher, and structure is complicated.Seek more excellent ventilating and cooling mode and become the problem that high speed Design of Hydrogenerator is to be solved.
Utility model content
In order to overcome the defect of prior art, this utility model provides the ventilation cooling device of a kind of vertical hydrogenerator and has the vertical hydrogenerator of this device, to solve the ventilation cooling device structure complexity of existing vertical hydrogenerator, the technical problem of poor reliability.
In order to solve above-mentioned technical problem, on the one hand, this utility model provides the ventilation cooling device of a kind of vertical hydrogenerator, the stator, the upper spider being arranged on stator, the main shaft of rotor, the yoke being arranged on rotor main shaft and the pole coil that including the lower bearing bracket being arranged in machine hole, are arranged in machine hole and ventilating and cooling device；The most at least there is the upper deep bead being connected with the upper end of described stator；The lower deep bead being connected with the lower end of described stator；Described yoke is provided with axial ventilation hole and wind-guiding band, surrounds Radial ventilation duct between adjacent wind-guiding band, and described axial ventilation hole connects with Radial ventilation duct；Described stator is provided with air duct.
As improving technical scheme further, the ventilation cooling device of the vertical hydrogenerator that this utility model provides, the width of described air duct is 8 ~ 10mm.
As improving technical scheme further, the ventilation cooling device of the vertical hydrogenerator that this utility model provides, on described stator, the distance between adjacent air duct is 30 ~ 45mm.
As improving technical scheme further, the ventilation cooling device of the vertical hydrogenerator that this utility model provides, described ventilating and cooling device is efficient lacing film expansion-joint type air cooler.
As improving technical scheme further, the ventilation cooling device of the vertical hydrogenerator that this utility model provides, also there is the upper cover plate being arranged on top, machine hole, be arranged on the lower cover of bottom, machine hole.
In order to solve above-mentioned technical problem, on the other hand, this utility model provides a kind of vertical hydrogenerator, has the ventilation cooling device of vertical hydrogenerator described in aforementioned any one.
The technical scheme that this utility model provides, by optimizing vertical hydrogenerator Design of Ventilation System, making the blast, the air quantity that produce during generator operation fully meet hydrogenerator safe and stable operation, temperature when electromotor is completely sent out is only 80 ~ 90 DEG C, is much better than the requirement of GB；Simplify the structure of electromotor, improve the efficiency of electromotor, reduce the material cost of unit, manufacturing cost；Reduce the noise of electromotor, eliminate electromotor and use the issuable potential safety hazard of fan cooling system.
Accompanying drawing explanation
Accompanying drawing is used for providing being further appreciated by of the present utility model, constitutes the part of the application, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the ventilation cooling device of embodiment vertical hydrogenerator；
Fig. 2 is that the A A of Fig. 1 is to structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in further detail.
The ventilation cooling device of vertical hydrogenerator as depicted in figs. 1 and 2, a kind of ventilation cooling device of vertical hydrogenerator, the stator 3, the upper spider 1 being arranged on stator, the main shaft of rotor, the yoke 14 being arranged on rotor main shaft and the pole coil 10 that including the lower bearing bracket 7 being arranged in machine hole, are arranged in machine hole and efficient lacing film expansion-joint type air cooler 5, the upper deep bead 2 being connected with the upper end of described stator 3；The lower deep bead 6 being connected with the lower end of described stator 3, is arranged on the upper cover plate 4 on top, machine hole, is arranged on the lower cover 8 of bottom, machine hole；Yoke 14 is provided with axial ventilation hole 12 and wind-guiding band 11, surrounds Radial ventilation duct 13 between adjacent wind-guiding band, and described axial ventilation hole 12 connects with Radial ventilation duct 13；Described stator 3 is provided with air duct 9, and the width of described air duct 9 is 8 ~ 10mm, and the distance between adjacent air duct 9 is 30 ~ 45mm.
As the spindle turns, under the fanning effect effect of rotor, a road air enters axially into rotor rim axial ventilation hole 12, through Radial ventilation duct 13, enters rotor magnetic pole interpolar, and pole coil 10 is cooled down by the flowing of air.Another road air enters axially into rotor magnetic pole interpolar, and pole coil 10 is cooled down by the flowing of air.From rotor magnetic pole interpolar air out, air-gap through between stator, rotor, enter air duct 9, after the iron core of stator 3, stator coil cooling, entering efficient lacing film expansion-joint type air cooler 5 to cool down, the air after efficient lacing film expansion-joint type air cooler 5 cools down, under the effect of upper and lower deep bead, enter again rotor along air flow channel, so go round and begin again.The direction of arrow in Fig. 1 represents the flow direction of air circulation.
This utility model is not limited to above preferred implementation, also can carry out conversion and the improvement of various ways in the spirit that this utility model claim and description limit, can solve same technical problem, and obtain intended technique effect, therefore not repeat.Those of ordinary skill in the art can from this utility model disclosure directly or all schemes of associating, as long as within the spirit that claim limits, falling within protection domain of the present utility model.
Claims (6)
1. the ventilation cooling device of a vertical hydrogenerator, the stator (3), the upper spider (1) being arranged on stator, the main shaft of rotor, the yoke (14) being arranged on rotor main shaft and the pole coil (10) that including the lower bearing bracket (7) being arranged in machine hole, are arranged in machine hole and ventilating and cooling device (5), it is characterized in that the most at least there is the upper deep bead (2) that the upper end with described stator (3) is connected；The lower deep bead (6) being connected with the lower end of described stator (3)；Described yoke (14) is provided with axial ventilation hole (12) and wind-guiding band (11), surrounds Radial ventilation duct (13) between adjacent wind-guiding band, and described axial ventilation hole (12) connects with Radial ventilation duct (13)；Described stator (3) is provided with air duct (9).
The ventilation cooling device of vertical hydrogenerator the most according to claim 1, it is characterised in that the width of described air duct (9) is 8 ~ 10mm.
The ventilation cooling device of vertical hydrogenerator the most according to claim 2, it is characterised in that the distance between the upper adjacent air duct (9) of described stator (3) is 30 ~ 45mm.
The ventilation cooling device of vertical hydrogenerator the most according to claim 1, it is characterised in that described ventilating and cooling device is efficient lacing film expansion-joint type air cooler (5).
The ventilation cooling device of vertical hydrogenerator the most according to claim 1, it is characterised in that also have the upper cover plate (4) being arranged on top, machine hole, is arranged on the lower cover (8) of bottom, machine hole.
6. a vertical hydrogenerator, it is characterised in that there is the ventilation cooling device of vertical hydrogenerator described in any one of Claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620461638.XU CN205753850U (en) | 2016-05-20 | 2016-05-20 | The ventilation cooling device of a kind of vertical hydrogenerator and vertical hydrogenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620461638.XU CN205753850U (en) | 2016-05-20 | 2016-05-20 | The ventilation cooling device of a kind of vertical hydrogenerator and vertical hydrogenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205753850U true CN205753850U (en) | 2016-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620461638.XU Active CN205753850U (en) | 2016-05-20 | 2016-05-20 | The ventilation cooling device of a kind of vertical hydrogenerator and vertical hydrogenerator |
Country Status (1)
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| CN (1) | CN205753850U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378936A (en) * | 2018-12-27 | 2019-02-22 | 湖南云箭集团有限公司 | A kind of scaled bulb tubular hydraulic generator ventilation cooling system |
| CN109378935A (en) * | 2018-12-27 | 2019-02-22 | 湖南云箭集团有限公司 | A kind of external ventilation cooling system of scaled bulb tubular hydraulic generator |
| CN112421885A (en) * | 2020-11-10 | 2021-02-26 | 国家电网有限公司 | Closed-circuit self-circulation ventilation cooling system of hydraulic generator |
| CN114614603A (en) * | 2022-03-21 | 2022-06-10 | 浙江理工大学 | Hydraulic generator rotor magnetic pole heat radiation structure |
-
2016
- 2016-05-20 CN CN201620461638.XU patent/CN205753850U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378936A (en) * | 2018-12-27 | 2019-02-22 | 湖南云箭集团有限公司 | A kind of scaled bulb tubular hydraulic generator ventilation cooling system |
| CN109378935A (en) * | 2018-12-27 | 2019-02-22 | 湖南云箭集团有限公司 | A kind of external ventilation cooling system of scaled bulb tubular hydraulic generator |
| CN112421885A (en) * | 2020-11-10 | 2021-02-26 | 国家电网有限公司 | Closed-circuit self-circulation ventilation cooling system of hydraulic generator |
| CN114614603A (en) * | 2022-03-21 | 2022-06-10 | 浙江理工大学 | Hydraulic generator rotor magnetic pole heat radiation structure |
| CN114614603B (en) * | 2022-03-21 | 2023-11-14 | 浙江理工大学 | Hydro-generator rotor magnetic pole heat radiation structure |
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