CN201191790Y - Ventilation cooling apparatus for rotor and stator of vertical hydraulic turbogenerator - Google Patents
Ventilation cooling apparatus for rotor and stator of vertical hydraulic turbogenerator Download PDFInfo
- Publication number
- CN201191790Y CN201191790Y CNU2008200746604U CN200820074660U CN201191790Y CN 201191790 Y CN201191790 Y CN 201191790Y CN U2008200746604 U CNU2008200746604 U CN U2008200746604U CN 200820074660 U CN200820074660 U CN 200820074660U CN 201191790 Y CN201191790 Y CN 201191790Y
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- stator
- deep bead
- cooling device
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- rotor
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to a ventilation cooling device of a rotor and a stator of a vertical hydraulic generator. The ventilation cooling device is characterized in that a lower machine frame, a stator machine base and a stator are installed in a machine pit, wherein an upper machine frame is installed on the stator machine base, a main spindle with a rotor supporting frame is installed on the upper machine frame and the lower machine frame, a magnetic yoke and a magnetic pole are arranged on the rotor supporting frame, the ventilation cooling device is provided with an inner ring upper baffle plate which prevents air current from passing upwards on the lower end surface of the upper machine frame, an outer ring upper baffle plate which prevents the air current from passing upwards is also installed between the outer periphery of the upper machine frame and the wall of the machine pit, an inner ring lower wind shield which prevents the air current from passing downwards is installed on the upper end surface of the lower machine frame, and an outer ring lower wind shield which prevents the air current from passing downwards is also installed between the outer periphery of the lower machine frame and the wall of the machine pit. The upper end surface and the lower end surface of the magnetic pole and the magnetic yoke are respectively provided with ring-shaped rotation wind shields which guide the air current, ventilation holes are arranged on two ends of the stator machine base, the cooling effect is improved, the winddriven mill loss is reduced, and furthermore the utility model also has the advantages of simple manufacture, and easy installation and manufacture.
Description
Technical field
The utility model relates to a kind of vertical hydrogenerator ventilation cooling device, the ventilation cooling device of especially a kind of vertical hydrogenerator rotor and stator.
Background technology
Must be in the design process of hydraulic generator with Electromagnetic Design, structural design, Design of ventilation three organically combines, and carries out Total tune and optimization, in the hope of reaching best design.Design of ventilation is a very important aspect, for many years, the ventilation cooling problem of motor is the problem that domestic and international manufacturing firm and research institution pay close attention to always, the quality of hydraulic generator ventilation cooling effect, with directly have influence on unit exert oneself and the control of temperature rise and be related to unit can safe and stable operation.Known ventilation cooling device includes the pressure elements and the windage element of ventilating system.In vertical hydrogenerator enclosed radical self-loopa ventilating system, the ventilation pressure element by rotor field spider, yoke wind ditch, magnetic pole and up and down fan form, the windage element is then by changeing air gap surely, meridional wind ditch, aerial cooler, wind-tunnel, formation such as wind path and rotor air channel up and down.The selection of fan pattern determines that according to the requirement of ventilating fan is made up of fan base and fan blade in the pressure elements, and fan base is installed in the two ends up and down of rotor yoke iron core, and fan blade then is positioned at the upper and lower side of magnetic pole.In unit operation, pass through the comprehensive fanning action of rotor field spider, yoke wind ditch, magnetic pole and fan, cold air is blown over rotor coil, stator core and its stator coil end at two ends up and down, the heat that motor rotor coil copper loss in service, stator core iron loss and stator coil copper loss are produced is taken away.Ventilation hole through lower ring plate on stator ventilation ducts and the out frame enters aerial cooler, and hot-air is cooled off.Cold air passes through the out frame upper and lower side again, enters rotor field spider once more by the wind deflector cold air.So just finished the cyclic process of the cooling of ventilating.Therefore the shortcoming of this structure is windmill loss big (wind path is long), waste material, the installation and maintenance difficulty.
Summary of the invention
The utility model provides for solving the technical problem that exists in the known technology that a kind of windmill loss is little, the vertical hydrogenerator rotor that is easy to installation and maintenance and the ventilation cooling device of stator.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
The ventilation cooling device of a kind of vertical hydrogenerator rotor and stator, comprise the lower bearing bracket that is installed in the machine hole, be installed in out frame and stator thereof in the machine hole, be installed in upper bracket on the out frame, be installed in the main shaft that has rotor field spider on upper bracket and the lower bearing bracket, be installed in yoke on the rotor field spider and magnetic pole and ventilation cooling device and form, the lower surface of described upper bracket is equipped with the interior ring overhead gage that barrier air upwards passes through, and between the neighboring of upper bracket and the machine hole wall outer shroud overhead gage that barrier air upwards passes through is installed also; The upper surface of described lower bearing bracket is equipped with deep bead under the interior ring that barrier air passes through downwards, and deep bead under the outer shroud that barrier air passes through downwards also is installed between the neighboring of lower bearing bracket and the machine hole wall; The upper surface of described magnetic pole and yoke and lower surface are separately installed with the ring rotation deep bead of air-flow guiding; The two ends of described out frame have ventilation hole.
The utility model can also adopt following technical scheme:
Ring goes up that deep bead is made of some big fanning strips under deep bead and the interior ring in described, on the outer shroud under deep bead and the outer shroud deep bead constitute by some little fanning strips.
Described ring rotation deep bead is made of the fanning strip identical with number of magnetic poles, each fanning strip the inner is shaped on four hole and two holes of mating with the pole end-plate screw of mating with the yoke bolt, each lower end, hole is welded with bearing sleeve and is connected packing ring, and four limits of each fanning strip are shaped on downward flanging.
Advantage and the good effect that the utlity model has are:
The upper end and the machine hole wall that deep bead on the inner and outer ring, lower bearing bracket are installed owing to lower end and machine hole wall at upper bracket are equipped with deep bead under the inner and outer ring, are so just forming confined space between upper bracket and lower bearing bracket and between the stator hole.Two ends up and down at rotor yoke and magnetic pole are separately installed with the rotation deep bead, have ventilation hole at the two ends of out frame, have so just formed the passage of cooling air circulation.Fan effect by rotor field spider, yoke and magnetic pole rotation generation, make cooling air enter the rotor field spider inlet, the yoke of flowing through ventilation ducts, magnetic pole interpolar, air gap, stator radial ventilation ditch, aerial cooler, again dividing up and down after the heat radiation, two-way enters rotor field spider again, therefore constitute airtight self-loopa ventilation cooling system, good cooling results but also reduced windmill loss (wind path is short) not only; In addition the utility model also have simple in structure, be easy to the advantage installing and make.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a structure chart of going up deep bead 7 among Fig. 1;
Fig. 3 is the structure chart of following deep bead 13 among Fig. 1;
Fig. 4 is the structure chart that rotates deep bead 9 and 14 among Fig. 1;
Fig. 5 is the right view of Fig. 4;
Fig. 6 is the A-A cutaway view of Fig. 4.
Among the figure: 1, main shaft; 2, lower bearing bracket; 3, rotor field spider; 4, out frame; 5, stator; 6, machine hole; 7, deep bead on the outer shroud; 7-1, little fanning strip; 7-2, upper trapezoid plate; 7-3, lower trapezoid plate; 8, upper bracket; 9, rotation deep bead; 10, magnetic pole; 11, aerial cooler; 12, yoke; 13, deep bead under the outer shroud; 13-1, little fanning strip; 13-2, big fanning strip; 14, rotation deep bead; 15, bearing sleeve; 16, connect backing plate; 17, installing hole; 18, back-up ring.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1, in the machine hole, lower bearing bracket 2 and out frame 4 and stator 5 thereof are installed, the outside of out frame is equipped with aerial cooler 11, upper bracket 8 is installed on out frame, the main shaft 1 that has rotor field spider 3 is installed on upper bracket and lower bearing bracket, yoke 12 and magnetic pole 10 are installed on rotor field spider.The ventilation cooling device is that the interior ring overhead gage that barrier air upwards passes through is installed in the lower surface of upper bracket, should interiorly encircling upward, deep bead be made of 6 big fanning strips, as shown in Figure 2, and the big fanning strip of deep bead is made of two trapezoidal plates up and down on the interior ring, the top of upper trapezoid plate 7-2 is shaped on the concave arc limit that cooperates with the rotor field spider inner rim, and the bottom of lower trapezoid plate 7-3 is shaped on the convex arc limit that cooperates with the rotor field spider neighboring.Between the neighboring of upper bracket and the machine hole wall outer shroud overhead gage 7 that barrier air upwards passes through is installed also, deep bead is made of 18 little fanning strip 7-1 on the outer shroud.As shown in Figure 3, the upper surface of lower bearing bracket is equipped with deep bead under the interior ring that barrier air passes through downwards, should interiorly encircling down, deep bead be made of 6 big fanning strip 13-2, deep bead 13 under the outer shroud that barrier air passes through downwards also is installed between the wall of the neighboring of lower bearing bracket and machine hole, and deep bead is made of 18 little fanning strip 13-1 under this outer shroud.As Fig. 4, Fig. 5, shown in Figure 6, the upper surface of magnetic pole and yoke and lower surface are separately installed with the ring rotation deep bead 9,14 of air-flow guiding, this ring rotation deep bead is made of 18 fanning strips, each fanning strip the inner is shaped on four holes of mating with the yoke bolt, each lower end, hole is welded with bearing sleeve 15 and is connected packing ring 16, the upper end of bearing sleeve is welded with back-up ring 18, and four limits of each fanning strip are shaped on downward flanging, and the upper end of each fanning strip is shaped on two installing holes 17.The two ends of out frame have ventilation hole.So just form confined space between upper bracket and lower bearing bracket and between the stator hole, forming the passage of cooling air circulation.Fan effect by rotor field spider, yoke and magnetic pole rotation generation, make cooling air enter the rotor field spider inlet, the yoke of flowing through ventilation ducts, magnetic pole interpolar, air gap, stator radial ventilation ditch, aerial cooler, again dividing up and down after the heat radiation, two-way enters rotor field spider again, therefore constitute airtight self-loopa ventilation cooling system, good cooling results but also reduced the windmill loss not only; In addition the utility model also have simple in structure, be easy to the advantage installing and make.
Claims (4)
1. the ventilation cooling device of vertical hydrogenerator rotor and stator, comprise the lower bearing bracket that is installed in the machine hole, be installed in out frame and stator thereof in the machine hole, be installed in the upper bracket on the out frame, be installed in the main shaft that has rotor field spider on upper bracket and the lower bearing bracket, be installed in yoke and magnetic pole on the rotor field spider, and the ventilation cooling device is formed, it is characterized in that: the lower surface of described upper bracket is equipped with the interior ring overhead gage that barrier air upwards passes through, and between the neighboring of upper bracket and the machine hole wall outer shroud overhead gage that barrier air upwards passes through is installed also; The upper surface of described lower bearing bracket is equipped with deep bead under the interior ring that barrier air passes through downwards, and deep bead under the outer shroud that barrier air passes through downwards also is installed between the neighboring of lower bearing bracket and the machine hole wall; The upper surface of described magnetic pole and yoke and lower surface are separately installed with the ring rotation deep bead of air-flow guiding; The two ends of described out frame have ventilation hole.
2. the ventilation cooling device of vertical hydrogenerator rotor according to claim 1 and stator, it is characterized in that: ring goes up that deep bead is made of 6 big fanning strips under deep bead and the interior ring in described, on the outer shroud under deep bead and the outer shroud deep bead constitute by 18 little fanning strips.
3. the ventilation cooling device of vertical hydrogenerator rotor according to claim 1 and 2 and stator, it is characterized in that: the big fanning strip that ring is gone up deep bead in described is made of two trapezoidal plates up and down, the top of upper trapezoid plate is shaped on the concave arc limit that cooperates with the rotor field spider inner rim, and the bottom of lower trapezoid plate is shaped on the convex arc limit that cooperates with the rotor field spider neighboring.
4. the ventilation cooling device of vertical hydrogenerator rotor according to claim 1 and 2 and stator, it is characterized in that: described ring rotation deep bead is made of 18 fanning strips, each fanning strip the inner is shaped on four holes of mating with the yoke bolt, each lower end, hole is welded with bearing sleeve and is connected packing ring, and four limits of each fanning strip are shaped on downward flanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200746604U CN201191790Y (en) | 2008-05-07 | 2008-05-07 | Ventilation cooling apparatus for rotor and stator of vertical hydraulic turbogenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200746604U CN201191790Y (en) | 2008-05-07 | 2008-05-07 | Ventilation cooling apparatus for rotor and stator of vertical hydraulic turbogenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201191790Y true CN201191790Y (en) | 2009-02-04 |
Family
ID=40335949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200746604U Expired - Fee Related CN201191790Y (en) | 2008-05-07 | 2008-05-07 | Ventilation cooling apparatus for rotor and stator of vertical hydraulic turbogenerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201191790Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009582A (en) * | 2014-05-23 | 2014-08-27 | 哈尔滨电气动力装备有限公司 | Large-thrust circulating water pump motor ventilation and cooling structure |
| CN108318817A (en) * | 2018-04-11 | 2018-07-24 | 哈尔滨电机厂有限责任公司 | A kind of hydraulic generator rotor ventilation and the simulation test device that generates heat |
-
2008
- 2008-05-07 CN CNU2008200746604U patent/CN201191790Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009582A (en) * | 2014-05-23 | 2014-08-27 | 哈尔滨电气动力装备有限公司 | Large-thrust circulating water pump motor ventilation and cooling structure |
| CN108318817A (en) * | 2018-04-11 | 2018-07-24 | 哈尔滨电机厂有限责任公司 | A kind of hydraulic generator rotor ventilation and the simulation test device that generates heat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20120507 |