CN1074563A - Rare-earth permanent-magnet variable-speed constant-voltage generator - Google Patents
Rare-earth permanent-magnet variable-speed constant-voltage generator Download PDFInfo
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- CN1074563A CN1074563A CN 92107270 CN92107270A CN1074563A CN 1074563 A CN1074563 A CN 1074563A CN 92107270 CN92107270 CN 92107270 CN 92107270 A CN92107270 A CN 92107270A CN 1074563 A CN1074563 A CN 1074563A
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Abstract
A kind of rare-earth permanent-magnet variable-speed constant-voltage generator is respectively set up an inner bearing between the inside and outside stator at the axial two ends of inner-stator iron core and rotating shaft and outer bearing (6) matches with rotation elastic shaft (15) and cup-shaped rotor magnet steel (10); Again at the inner-stator iron core one distolateral worm gear (16) that is equipped with of the cup-shaped recess end of cup-shaped p-m rotor (13), one or two worm screw on making it and being fixed on the distolateral or end cap of external stator is matched, borrow rotary worm transmission worm-gear driven internal stator that external stator is produced relative angular displacement, change the phase place of induced potential in the inside and outside stator armature winding, thereby changing the vector of electromotive force and making output voltage is constant, makes output voltage keep constant.
Description
Rare-earth permanent-magnet variable-speed constant-voltage generator of the present invention belongs to electricity field.
At present, the major defect of magneto is that permanent magnetic field can not directly be regulated, and when doing the motor use, realizes difficulty of weak magnetic speed-up; When doing the generator use, pressure regulation is difficult again.Therefore limited its scope of application, the former, the phase place of borrowing the control armature supply increases the demagnetizing effect that its d-axis armature reflects component, realizes its weak magnetic speed-up.The latter, owing to causing change in voltage reason difference, the pressure regulation method that is adopted also is not quite similar.
1. in the constant frequency power of isopiestic pressure system, the pressure regulation method of permanent magnet generator, the main degree of saturation of regulating magnetic circuit that adopts is come regulation voltage, be everlasting and increase an additional winding on the stator armature iron core, pass to controlled DC excitation electric current, temporarily transfer the degree of saturation that this electric current of joint changes and regulate the motor magnetic circuit, realize that the motor output voltage is constant, reach constant purpose.This method, range of regulation are little.
2. in variable speed constant frequency AC power system, all adopt the total power conversion basically.At first permanent magnet generator under the situation of range of speeds broad, its electric voltage frequency is become direct current with the AC rectification of rotation speed change, be transformed into the interchange of constant voltage constant frequency again by inverter, perhaps by converter with voltage, frequency is directly converted to voltage, interchange that frequency is constant with the interchange of rotation speed change.The former is called ac-dc-ac transform, and the latter is called ac-ac conversion.This total power converter technique is complicated, the cost height.
3. in DC power system, motor is directly dragged by prime mover, and the rotating speed of prime mover is (as aircraft, boats and ships, tank etc.), change at any time with operating state, and the scope of velocity variations is big, and then the scope that changes with the rotation speed change of prime mover of the voltage of motor also greatly.This power supply can not satisfy the power consumption equipment requirement.The pressure regulation method that adopts has at present:
(1) step-down or converter, its power device, available controllable silicon (thyristor) or transistor are controlled its phase shifting angle to thyristor, and transistor is adopted the PWM chopping way, can realize that all its VD is constant.
(2) boost inverter, motor becomes direct current by diode rectification entirely when high speed, i.e. the diode rectification state.Rotating speed is lower than maximum speed or load strengthens, and when the motor output voltage is lower than rated voltage, can enter the PWM state by the power transistor that is parallel on the single-ended brachium pontis diode of rectifier bridge, and voltage pump is raised to rated voltage, and promptly output voltage is constant.
No matter be decompression transducer or boost inverter, its complex circuit, cost height.
(3) adopt hydraulic pressure voltage regulating method or differential gear voltage regulating method, with the rotor generation angular displacement of two magnetoes, the phase place of stator armature winding phase electromotive force changes, and the resultant voltage that two motor stator armature winding are gone here and there mutually is constant, realizes pressure regulation.But these two kinds of mechanical voltage regulating methods, complex structure, the cost height, volume is big.
In view of the problem that exists in the above-mentioned prior art, task of the present invention is to adopt the method for dynamo-electric combination, design a kind of electromechanical integration that not only had been suitable for motor but also had been suitable for generator, volume is little, in light weight, reliable operation, simple in structure, easy to adjust, control is easy to the rare earth permanent magnet constant voltage generator.
Rare-earth permanent-magnet variable-speed constant-voltage generator of the present invention, be to set up one group of turbine worm and two bearings on the basis of 89102454.9 " rare-earth permanent-magnetic double-stator synchronous motor with cup type rotor " at number of patent application, drive the magneto of worm gear drive stator displacement pressure regulation by scroll bar, promptly adopt radially watt shape permanent magnetism cup-shaped rotor and radially inside and outside stator structure, its rotor is the multipole cup-shaped rotor that is made of watt shape permanent magnetic steel and on-magnetic support and rotating shaft combination or the cup-shaped ring support of magnetic and non magnetic rotating shaft; Radially inside and outside stator is identical with common electric machine, and inside and outside stator winding is in series, and by the punching of armature jet-bedding, laminate into armature core, is separately fixed on stator support and the casing.Be characterized in, one turbine be housed, drive turbine and directly regulate the relative position of inside and outside stator on the Zhou Fangxiang of garden by being fixed on scroll bar on the distolateral or end cap of external stator at internal stator one end of rotor cup-shaped recess.Promptly change the time phase of induced potential in the armature winding that inside and outside two stators are in series,, carry out voltage-regulation to reach the purpose of regulating the synthetic induced potential of inside and outside stator armature winding.
The present invention is except that all advantages with " rare-earth permanent-magnetic double-stator synchronous motor with cup type rotor ", and turbine, scroll bar mechanical structure are simple, are convenient to electric drive and control automatically, and range of regulation is wide, precision height, reliable operation.
Accompanying drawing 2 is " rare-earth permanent-magnetic double-stator synchronous motor with cup type rotor " structural representation of number of patent application 89102454.9.
By last two accompanying drawings as can be known, the present invention is the improvement of carrying out on the basis of " rare-earth permanent-magnetic double-stator synchronous motor with cup type rotor " basic structure, it is still fixed for flange, totally enclosed air-cooled, the oil cooling structure, also can make air-cooled or self cooling or other water-cooleds of open type belt footing formula, oil cooling, the structural shape of cooling such as oil spout, its basic structure is still by casing (1), external stator core (2), cup-shaped rotor magnet steel (3,10), inner-stator iron core (4), bearing cap (5), front end housing (7), external stator armature winding (8), internal stator armature winding (9), rear end cap (11), internal fan or magnetic pole position sensor (12), and by cup-shaped rotor magnet steel (3,10), the cup-shaped p-m rotor essential parts such as (13) that on-magnetic support and rotating shaft are formed is formed, its main feature is, in the axial two ends of inner-stator iron core (4), respectively set up an inner bearing and outer bearing (6) between external stator and the rotating shaft, match with rotation elastic shaft (15) and cup-shaped rotor magnet steel (3); The inner-stator iron core one distolateral turbine (16) that is equipped with at the cup-shaped recess end of cup-shaped p-m rotor (13), a scroll bar or two scroll bars on making it and being fixed on the distolateral or end cap of external stator match, borrow and rotate scroll bar transmission turbine, drive internal stator external stator is produced relative angular displacement, change the phase place of induced potential in the inside and outside stator armature winding, thereby changing the vector of electromotive force and making output voltage is a constant, and when reaching speed or load variations, output voltage keeps constant requirement.
The rotation of scroll bar can be controlled requirement according to system, adopts control motor or other transmission mechanism modes to constitute open loop or closed-loop control system.
Claims (1)
1, a kind of rare-earth permanent-magnet variable-speed constant-voltage generator, comprise casing (1), external stator core (2), cup-shaped rotor magnet steel (3,10), inner-stator iron core (4), bearing cap (5), front end housing (7), external stator armature winding (8), internal stator armature winding (9), rear end cap (11), internal fan or magnetic pole position sensor (12), cup-shaped p-m rotor (13) and rotating shaft, it is characterized in that also being included stator core (4) axial two ends in, respectively setting up an inner bearing and an outer bearing (6) between external stator and the rotating shaft matches with rotation elastic shaft (15) and cup-shaped rotor magnet steel (3,10); The inner-stator iron core one distolateral turbine (16) that is equipped with at the cup-shaped recess end of cup-shaped p-m rotor (13), a scroll bar or two scroll bars on making it and being fixed on the distolateral or end cap of external stator match, borrow and rotate scroll bar transmission turbine, drive internal stator external stator is produced relative angular displacement, change the phase place of induced potential in the inside and outside stator armature winding, thereby changing potential vector and making output voltage is a constant, and when reaching speed or load variations, it is constant that output voltage keeps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92107270 CN1074563A (en) | 1992-01-13 | 1992-01-13 | Rare-earth permanent-magnet variable-speed constant-voltage generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92107270 CN1074563A (en) | 1992-01-13 | 1992-01-13 | Rare-earth permanent-magnet variable-speed constant-voltage generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1074563A true CN1074563A (en) | 1993-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92107270 Pending CN1074563A (en) | 1992-01-13 | 1992-01-13 | Rare-earth permanent-magnet variable-speed constant-voltage generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1074563A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122870A (en) * | 2011-04-20 | 2011-07-13 | 沈阳工华风电技术开发有限公司 | 5 MW direct-driven permanent magnet wind generator with dual rotors, dual stators and dual air gaps |
| CN102480198A (en) * | 2010-11-25 | 2012-05-30 | 余虹锦 | Permanent magnet type alternating-current synchronous generator with novel structure |
| CN102480199A (en) * | 2010-11-29 | 2012-05-30 | 余虹锦 | Hybrid excitation brushless single phase synchronous generator with novel structure |
| CN103872868A (en) * | 2012-12-07 | 2014-06-18 | 株式会社电装 | Multi-gap type rotary electric machine |
| CN106451971A (en) * | 2016-11-29 | 2017-02-22 | 湘潭电机股份有限公司 | Permanent magnet motor with double-stator structure |
-
1992
- 1992-01-13 CN CN 92107270 patent/CN1074563A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480198A (en) * | 2010-11-25 | 2012-05-30 | 余虹锦 | Permanent magnet type alternating-current synchronous generator with novel structure |
| CN102480199A (en) * | 2010-11-29 | 2012-05-30 | 余虹锦 | Hybrid excitation brushless single phase synchronous generator with novel structure |
| CN102122870A (en) * | 2011-04-20 | 2011-07-13 | 沈阳工华风电技术开发有限公司 | 5 MW direct-driven permanent magnet wind generator with dual rotors, dual stators and dual air gaps |
| CN103872868A (en) * | 2012-12-07 | 2014-06-18 | 株式会社电装 | Multi-gap type rotary electric machine |
| CN103872868B (en) * | 2012-12-07 | 2018-04-06 | 株式会社电装 | Multiple level formula electric rotating machine |
| CN106451971A (en) * | 2016-11-29 | 2017-02-22 | 湘潭电机股份有限公司 | Permanent magnet motor with double-stator structure |
| CN106451971B (en) * | 2016-11-29 | 2019-04-09 | 湘潭电机股份有限公司 | A kind of magneto of double-stator structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |