CN2032375U - Combined speed regulator for change-pole motor - Google Patents
Combined speed regulator for change-pole motor Download PDFInfo
- Publication number
- CN2032375U CN2032375U CN 87215735 CN87215735U CN2032375U CN 2032375 U CN2032375 U CN 2032375U CN 87215735 CN87215735 CN 87215735 CN 87215735 U CN87215735 U CN 87215735U CN 2032375 U CN2032375 U CN 2032375U
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- pole
- changing
- motor
- changing motor
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Abstract
The utility model discloses a combined speed regulator for change-pole motors, having two change-pole motors. One auxiliary change-pole motor with small capacity drives the stator of the other main change-pole motor with large capacity to rotate through mechanically reducing the speed of the auxiliary change-pole motor. When the stator of the main change-pole motor is connected with a three-phase rated power supply through a collecting ring, the rotating speed of the rotor of the main change-pole motor is composed of the rotating speed of the main change-pole motor and the rotating speed of the stator of the main change-pole motor, and the utility model can obtain the multi-stage output rotating speed of the rotor of the main change-pole motor through changing the number of the pole pairs of the main and auxiliary change-pole motors and the positive and reverse rotations and the stopping of the auxiliary change-pole motor. The utility model has the advantages of high efficiency, simple structure, high reliability and extensive regulating range.
Description
Pole-changing motor combined speed regulating of the present utility model belongs to the squirrel cage induction motor speed regulating device, and its remarkable advantage is energy-conservation, high efficiency, is applicable to permanent torque and occasion fan-type, that load of the pumps need make things convenient for speed governing.
The asynchronous machine pole changing is that the synchronous speed that changes rotating magnetic field carries out speed governing, and it has characteristics such as efficient height, characteristic is hard, quiescent point is stable.But the pole-changing progression of pole-changing motor is limited, and rotating speed is differential very big, thereby applicable situation is restricted.If can between the upper and lower region of every grade of rotating speed of pole-changing motor, increase 2-4 level rotating speed, make that velocity stages is thinner in certain speed adjustable range, then the scope of application of pole changing will enlarge greatly.
Task of the present utility model is the combined speed regulating device that design is made up of two pole-changing motors, and it will satisfy above-mentioned requirements.It has reduced investment, efficient height, speed adjustable range is wide, velocity stages is even, safeguard characteristics such as simple.
Pole-changing motor speed regulating device of the present utility model, mainly by main pole-changing motor 1, auxiliary pole-changing motor 2, the pole-changing controller 5 of main pole-changing motor, the pole-changing controller 6 of auxiliary pole-changing motor is formed, main pole-changing motor is mainly by monolateral axle rotor 8, the rotating stator 9 of monolateral axle, support 10 and bearing 11 are formed, the pole-changing lead-out wire of rotating stator 9 causes the pole-changing controller 5 that causes main pole-changing motor behind the collector ring 7 that is contained on the axle again through brush through the axle centre bore, the pole-changing lead-out wire of auxiliary pole-changing motor 2 is directly caused the pole-changing controller 6 of auxiliary pole-changing motor by stator, between the rotating stator 9 of the rotor of auxiliary pole-changing motor 2 and main pole-changing motor 1 by reduction gearing to 3 or similarly mechanical deceleration device connect, electromagnetic brake or similar other brake apparatus are housed on the axle of auxiliary pole-changing motor 2.
Scheme of the present utility model is that the rotating speed with two pole-changing motors carries out multiple combination and realizes large-scale multistep speed regulation.Drive the rotational of the stator 9 of the bigger main pole-changing motor of another capacity 1 with a less auxiliary pole-changing motor 2 of capacity through mechanical reduction around main pole-changing motor 1, when the pole-changing controller 5 that is connected to main pole-changing motor by collector ring 7 when the stator 9 of main pole-changing motor 1 was then connected specified three phase mains, the rotating speed of the rotor 8 of main pole-changing motor 1 will change with the change of the rotating speed of auxiliary pole-changing motor 2.If the dynamo-electric machine of auxilliary change adopts the secondary pole-changing, drive manner just has to be changeed, (auxiliary pole-changing motor 2 breaks away from power supply when stopping to reverse, stop three kinds, and its axle is fixed and can not be rotated by electromagnetic brake 4 or similar mode of braking), then when main pole-changing motor 1 is a certain number of pole-pairs, the rotor 8 of main pole-changing motor 1 can obtain 5 kinds of output speeds, main pole-changing motor 1 also adopts the secondary pole-changing, and then the rotor 8 of main pole-changing motor 1 can obtain 10 kinds of output speeds.If main pole-changing motor 1 adopts m level pole-changing, auxiliary pole-changing motor 2 adopts n level pole-changing, then the rotor 8 obtainable output speed progression w=m(2n+1 of main pole-changing motor 1).The speed ratio of rationally choosing deceleration device can make the output speed distribution of rotor 8 more even, rationally chooses the capacity of main and auxiliary pole-changing motor, can make the capacity of two pole-changing motors obtain to make full use of when different rotating speeds at different levels.
Fig. 1 is the speed regulator of variable-pole motor combination schematic diagram
Wherein: 1--main pole-changing motor 2--auxiliary pole-changing motor
The 3--reduction gearing is to the 4--electromagnetic brake
The pole-changing controller of 5--main pole-changing motor
The pole-changing controller of 6--auxiliary pole-changing motor
7--collector ring, brushgear
Fig. 2 is a pole-changing motor combined speed regulating package assembly schematic diagram
Wherein: 8--main pole-changing motor rotor
The turnable stator of 9--main pole-changing motor
The support of 10--main pole-changing motor
11--main pole-changing motor bearing
Fig. 1, Fig. 2 are one embodiment of the present of invention.If main pole-changing motor is 8/6 utmost point, rated speed is 730/960(rev/min); Auxiliary pole-changing motor is 8/4 utmost point, and rated speed is 720/1420(rev/min); The reduction gearing speed ratio is 15:1; Then the rotor of main pole-changing motor can obtain ten grades of rated speeds, and they are 1055/1008/960/908/855/825/778/730/678/625(rev/min).These ten grades of rotating speeds are exactly the specified output speed of speed regulating device.Rated speed is at 1055/1008/825/778(rev/min) time, auxiliary pole-changing motor drags the stator rotation of main pole-changing motor, and main pole-changing motor rotor speed surpasses rated speed; Rated speed is at 908/855/678/625(rev/min) time, the main pole-changing motor stator drives the rotation of auxiliary pole-changing motor rotor, auxiliary pole-changing motor is operated in the feedback generating state, equate when supposing the absolute value of revolutional slip and specified operation, claim specified feedback generating state, at this moment main pole-changing motor rotor speed is lower than rated speed; Rated speed is at 960/730(rev/min) time, the auxiliary pole-changing motor stall, the main pole-changing motor stator maintains static, and list is dragged by main pole-changing motor.Therefore, whole device is when each grade rotating speed, and efficient is all higher, belongs to the high efficiency step speed regulation.
Claims (4)
1, speed regulator of variable-pole motor combination, mainly by main pole-changing motor 1, auxiliary pole-changing motor 2, the pole-changing controller 5 of main pole-changing motor, the pole-changing controller 6 of auxiliary pole-changing motor, gear mesh 3, band-type brake 4, form, it is characterized in that main pole-changing motor is mainly by monolateral axle rotor 8, the rotating stator 9 of monolateral axle, support 10 and bearing 11 are formed, the pole-changing lead-out wire of turnable stator 9 causes the collector ring 7 that is contained on the axle through the axle centre bore, cause the pole-changing controller 5 of main pole-changing motor again through brush, the pole-changing lead-out wire of auxiliary pole-changing motor 2 is directly caused the pole-changing controller 6 of auxiliary pole-changing motor by stator, between the rotating stator 9 of the rotor of auxiliary pole-changing motor 2 and main pole-changing motor 1 by reduction gearing to 3 or similarly mechanical deceleration device connect, electromagnetic brake 4 or similar other brake apparatus are housed on the axle of auxiliary pole-changing motor 2.
2, by the described speed regulating device of claim 1, the stator 9 that it is characterized in that main pole-changing motor 1 and its rotor 8 the same equal can be around the rotational of main pole-changing motor 1, the described structure of claim 1 is an example, everyly can realize deciding of main pole-changing motor 1, rotor all can all can adopt around the structure of rotational.
3, by claim 1, the described speed regulating device of claim 2, the number of collector ring that it is characterized in that collector ring 7 is relevant with main pole-changing motor pole-changing progression, collector ring is 9～10 during three grades of pole-changings, and collector ring is 6-7 during the secondary pole-changing, and collector ring is not 3 during pole-changing.
4, by claim 1, claim 2, the described speed regulating device of claim 3, the pole-changing progression n that it is characterized in that the pole-changing progression m of the rotor output speed progression w of main pole-changing motor 1 and main pole-changing motor 1 and auxiliary pole-changing motor 2 is relevant, and relation is: w=m(2n+1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87215735 CN2032375U (en) | 1987-12-26 | 1987-12-26 | Combined speed regulator for change-pole motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87215735 CN2032375U (en) | 1987-12-26 | 1987-12-26 | Combined speed regulator for change-pole motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2032375U true CN2032375U (en) | 1989-02-08 |
Family
ID=4829804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87215735 Withdrawn CN2032375U (en) | 1987-12-26 | 1987-12-26 | Combined speed regulator for change-pole motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2032375U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170193A (en) * | 2011-03-29 | 2011-08-31 | 冯叶舟 | Internal and external double-rotation motor set |
| CN103466363A (en) * | 2013-09-06 | 2013-12-25 | 昆山地博光电材料有限公司 | Thin film coil winding, positioning and controlling device |
| CN113595332A (en) * | 2021-08-20 | 2021-11-02 | 胜利油田顺天节能技术有限公司 | Screw pump direct-drive variable-frequency permanent magnet motor |
-
1987
- 1987-12-26 CN CN 87215735 patent/CN2032375U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170193A (en) * | 2011-03-29 | 2011-08-31 | 冯叶舟 | Internal and external double-rotation motor set |
| CN102170193B (en) * | 2011-03-29 | 2014-05-14 | 冯叶舟 | Internal and external double-rotation motor set |
| CN103466363A (en) * | 2013-09-06 | 2013-12-25 | 昆山地博光电材料有限公司 | Thin film coil winding, positioning and controlling device |
| CN113595332A (en) * | 2021-08-20 | 2021-11-02 | 胜利油田顺天节能技术有限公司 | Screw pump direct-drive variable-frequency permanent magnet motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |