CN1870393A - Mixing excitation brushless DC start generator - Google Patents
Mixing excitation brushless DC start generator Download PDFInfo
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- CN1870393A CN1870393A CN 200610085357 CN200610085357A CN1870393A CN 1870393 A CN1870393 A CN 1870393A CN 200610085357 CN200610085357 CN 200610085357 CN 200610085357 A CN200610085357 A CN 200610085357A CN 1870393 A CN1870393 A CN 1870393A
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Abstract
This invention discloses a mixed excitation brushless DC generator including a shaft, an end cover, another end cover, a shell, a permanent magnetic synchronous motor and a mixed excitation synchronous motor, in which, the magnetic synchronous motor and the excitation one are installed in the shell coaxially sharing the same shaft, the armature windings of the two motors are serial with an outlet at the middle. This invented motor can be either at the electromotion state or the generation state to realize brushless generation.
Description
One, technical field
The present invention relates to a kind of motor, relate in particular to a kind of brshless DC motor.
Two, background technology
Starter-generator utilizes the principle of reversibility of motor.Before engine operation, starter-generator converts electrical energy into mechanical energy, as motor work, drives engine rotation, is advanced into operating state certainly after engine reaches a certain rotating speed, thus the starting process of finishing.Behind the proceed-to-send, engine drags the starter-generator rotation as prime mover, and the corresponding generator operation state that transfers to of motor this moment is converted to electric energy output with mechanical energy.As seen, starter-generator makes a motor realize that starting/generating is difunctional, simplied system structure, and effective mitigation system weight.Thereby on aircraft, automobile, naval vessel, all be applied.
Aircraft low-voltage dc power supply system configuration is simple, working service method maturation, have advantages such as starting/generating is difunctional, so still is used widely now.Existing aircraft DC power system is that the brush low-voltage dc power supply is arranged mostly, and adopt has the brush direct current machine as its starter-generator more in these systems.This electric motor starting performance is good, and control is simple.But because the existence of motor brush and commutator, make the system configuration complexity, safeguard frequently that useful life is short.And brush and commutator limited the motor maximum speed, makes the power-supply system capacity be difficult to increase.And for satisfying motor starting characteristic, some starter-generators also comprise an output variable speed mechanism, and it has epicyclic type device and roller formula one-way clutch shaft coupling, and electronic and generating state gear are realized different gear ratio automatically.This starting-generating system configuration complexity, efficient is low, the cost height.
Three, summary of the invention:
1, goal of the invention: the purpose of this invention is to provide a kind of novel brushless DC start generator, starting-generating system non-brushing be can realize, and its output variable speed mechanism, simplied system structure cancelled, be beneficial to the raising power system capacity, can replace the existing brush DC starting generator that has fully.
2, technical scheme: in order to reach above-mentioned goal of the invention, mixing excitation brushless DC start generator of the present invention, comprise rotating shaft, end cap, casing, permagnetic synchronous motor and hybrid exciting synchronous motor, permagnetic synchronous motor and hybrid exciting synchronous motor are coaxially installed in the casing, a shared rotating shaft; Permagnetic synchronous motor comprises stator and the rotor of being made up of unshakable in one's determination and armature winding, and permanent-magnetic synchronous motor rotor comprises pole shoe, magnet isolation tank and permanent magnetic steel; Hybrid exciting synchronous motor comprises stator and the rotor that is made of unshakable in one's determination and armature winding, and the hybrid exciting synchronous motor rotor comprises pole shoe and extends magnetic conductor, permanent magnetic steel and magnet isolation tank; The armature winding of permagnetic synchronous motor and the armature winding of hybrid exciting synchronous motor are connected in series, and has a middle outlet, like this, motor of the present invention can be in two kinds of operating states as required: (1) motoring condition: DC bus-bar voltage is given the two armature windings that are connected in series power supply by the inverter circuit of starter controller, and two motors are worked simultaneously; (2) generating state: only by mixed excitation electric machine armature winding output voltage, after rectification as DC power supply.
It also comprises annular magnetic conduction bridge, is used for the excitation winding of embedding around motor, and annular magnetic conduction bridge and excitation winding are fixed on the end cap.
The stator number of teeth of permagnetic synchronous motor and hybrid exciting synchronous motor, groove number and winding type of attachment are identical, and the two adopts identical rotor structure pattern, be all the tangential magnet-steel structure or be all the radial magnet steel structure, and the rotor pole embrace is identical.
It also comprises position transducer, and it comprises position transducer rotor and position transducer stator, and rotor sensor is installed in the rotating shaft, and the position transducer stator is installed on the end cap, is used for the detection rotor position.Position transducer can be hall position sensor, also can adopt other forms of position transducer according to the needs of measurement data.
The iron core of permagnetic synchronous motor and the iron core of hybrid exciting synchronous motor are repeatedly pressed by silicon steel sheet or other high-performance permeability magnetic materials and are formed, and rotating pole-piece can adopt the monoblock steel to make.
Be filled with non-magnetic conductive metal material in the magnet isolation tank of permagnetic synchronous motor and hybrid exciting synchronous motor, to reduce the quadrature axis armature reaction reactance.
Mixing excitation brushless DC start generator of the present invention is on the basis of brushless direct current permanent magnet motor and hybrid exciting synchronous motor, adopts two kinds of electric machine structure patterns in a motor case, constitutes mixing excitation brushless DC start/generator.Motor internal is the two-part structure, and one section is mixed excitation electric machine, and another section is traditional permagnetic synchronous motor.Two sections motor rotor constructions are identical, can be the tangential magnet-steel structure, also can be the radial magnet steel structures.But no matter rotor is cutting orientation structure or radial structure, all should have identical pole embrace, and coaxial rotation.Two sections motor stator structures, winding type are also identical.Two sections motor stator armature winding are connected in series, and have middle outlet.At motoring condition, DC bus-bar voltage is given the two armature windings that are connected in series power supply by the inverter circuit of starter controller, and two motors are worked simultaneously, can export bigger nominal torque; At generating state, only by the mixed excitation electric machine armature winding output voltage of middle outlet, as DC power supply, this moment, permagnetic synchronous motor was in Light Condition after rectification.At electronic and generating state, the motor internal magnetic field is mainly set up by permanent magnetic steel, thereby the electric efficiency height, and the output torque is big, especially has in employing in the tangential magnet-steel structure of " poly-magnetic " effect.Output voltage can be regulated by exciting current by the performance decision of hybrid exciting synchronous motor.
3, beneficial effect: compared with prior art, mixing excitation brushless DC start generator of the present invention has following characteristics:
1. cancel traditional brush and slip ring that brush DC start/generator is arranged, utilized rotor permanent magnet and new type composite excitation electric machine structure to realize the non-brushing of starter-generator; Rotor structure is simple, and loss is low, the efficient height;
2. leave out starter-generator output variable speed mechanism, motor is directly exported nominal torque, to pilot engine.Motor both can work in Heng Zhuanjuqu, and this moment, air-gap field was the strongest, also can work in Heng Gongshuaiqu, utilized mixed excitation electric machine excitation controlled function, weak magnetic work;
3. motoring condition by the armature winding tandem working of permagnetic synchronous motor and hybrid exciting synchronous motor, guarantees that electric system exports breakdown torque expeditiously; At generating state,, thereby have the high efficiency of magneto and the advantage that the electro-magnetic motor output voltage is easily regulated concurrently only by mixed excitation electric machine output electric energy;
4. can be widely used in having on the aircraft, tank of jet engine, also can be used to use naval vessel, the automobile of diesel engine, gasoline engine.
Four, description of drawings
Fig. 1 is mixing excitation brushless DC start/electric generator structure figure;
Fig. 2 is permagnetic synchronous motor section rotor A in mixing excitation brushless DC start/generator-A profile;
Fig. 3 is a hybrid exciting synchronous motor section rotor B-B profile in mixing excitation brushless DC start/generator;
Fig. 4 is mixing excitation brushless DC start/generator armature winding connection layout;
Fig. 5 is the electronic and generating state main circuit annexation figure of mixing excitation brushless DC start/generator.
Five, embodiment
Mixing excitation brushless DC start generator of the present invention can flexible design, adopt the different poles logarithm, here with four pairs very example describe embodiment in detail.
As shown in Figure 1, the mixing excitation brushless DC start generator of present embodiment constitutes by two sections, one section is radial structure or cutting orientation structure permagnetic synchronous motor 18, another section is radial structure or cutting orientation structure hybrid exciting synchronous motor 19, and it also comprises rotating shaft 15, end cap 16, end cap 61 and casing 17; Permagnetic synchronous motor 18 and hybrid exciting synchronous motor 19 are coaxially installed in the casing 17, shared rotating shaft 15, permagnetic synchronous motor 18 comprises stator and rotor, stator is made up of iron core 4 and armature winding 5, permanent-magnetic synchronous motor rotor comprises pole shoe 1, magnet isolation tank 2 and permanent magnetic steel 3, and its structure is the structure of existing permagnetic synchronous motor; Hybrid exciting synchronous motor 19 comprises stator and rotor, stator is made of iron core 9 and armature winding 10, the hybrid exciting synchronous motor rotor comprises pole shoe and extends magnetic conductor 6, permanent magnetic steel 7 and magnet isolation tank 8, the position of each several part relation is for application number is that 200510094523.8 application for a patent for invention is disclosed in the mixed excitation synchronous motor with radial structure, in the cutting orientation structure hybrid exciting synchronous motor position of each several part concern for application number be that 200510095465.0 application for a patent for invention is disclosed.The armature winding 5 of permagnetic synchronous motor 18 and the armature winding 10 of hybrid exciting synchronous motor 19 are connected in series, and have middle outlet.The mixing excitation brushless DC start generator of present embodiment can be in two kinds of operating states as required: (1) is at motoring condition, DC bus-bar voltage is given the two armature windings that are connected in series power supply by the inverter circuit of starter controller, two motors are worked simultaneously, can export bigger nominal torque; (2) at generating state, only by the mixed excitation electric machine armature winding output voltage of middle outlet, as DC power supply, this moment, permagnetic synchronous motor was in Light Condition after rectification.
It also comprises annular magnetic conduction bridge 12, is used for embedding around excitation winding 11, and annular magnetic conduction bridge 12 is fixed on the end cap 16.Position transducer 20 is a hall position sensor, it draws together rotor sensor 13 and position transducer stator 14, rotor sensor 13 is installed in the rotating shaft 15, position transducer stator 14 is installed on the end cap 61, the position that is used for detection rotor motion process under the motor powered state is for the logic switching circuit of controller provides correct commutation information.Be filled with non-magnetic conductive metal material such as copper in the magnet isolation tank 2 and 8 of permagnetic synchronous motor 18 and hybrid exciting synchronous motor 19, to reduce the quadrature axis armature reaction reactance.
As Fig. 2, shown in Figure 3, two sections electric machine stator irons are repeatedly pressed by silicon steel sheet or other high-performance permeability magnetic materials and are formed, and rotating pole-piece can adopt the monoblock steel to make.It is identical that the stator number of teeth of two sections motors, groove number and winding connect pattern.Two sections motor rotor construction patterns are identical, be all the tangential magnet-steel structure or be all the radial magnet steel structure, and the rotor pole embrace is identical.The rotor and the stator magnetic circuit of two motors are separate, shared casing 17 and rotating shaft 15.Casing is common hardware, does not need to resemble magnetic pole Splittable mixed excitation electric machine and adopts the magnetic conduction casing.
As shown in Figure 4, two sections armature windings in series connect, and can constitute polyphase windings, three phase windings etc., and A1, B1, C1 are motoring condition armature winding link among the figure, and A2, B2, C2 are generating state armature winding output.
As shown in Figure 5, when motor is worked as starter, DC power supply U
DC-INObtain three phase mains by the inverter conversion, three phase windings of supplying with motor make motor output torque.When motor transferred generating state work to, the alternating current of threephase armature winding output obtained direct current U by the full bridge rectifier rectification that is made of power diode D1～D6
DC-OUT, supply load uses.Change composite excitation brushless direct-current machine internal mix excitation magnetic synchronization motor and the axial core length ratio of permagnetic synchronous motor, can obtain different electric motor startings and power generation characteristics.
Claims (8)
1, a kind of mixing excitation brushless DC start generator, comprise rotating shaft (15), end cap (16), end cap (61), casing (17), permagnetic synchronous motor (18) and hybrid exciting synchronous motor (19), permagnetic synchronous motor (18) comprises stator and rotor, permanent-magnetic synchronous motor stator is made up of (4) unshakable in one's determination and armature winding (5), and permanent-magnetic synchronous motor rotor comprises pole shoe (1), magnet isolation tank (2) and permanent magnetic steel (3); Hybrid exciting synchronous motor (19) comprises stator and rotor, the hybrid exciting synchronous motor stator is made of (9) unshakable in one's determination and armature winding (10), the hybrid exciting synchronous motor rotor comprises pole shoe and extends magnetic conductor (6), permanent magnetic steel (7) and magnet isolation tank (8) and it is characterized in that, permagnetic synchronous motor (18) and hybrid exciting synchronous motor (19) are coaxially installed in the casing (17), shared rotating shaft (15); The armature winding (5) of permagnetic synchronous motor (18) and the armature winding (10) of hybrid exciting synchronous motor (19) are connected in series, and have middle outlet.
2, mixing excitation brushless DC start generator as claimed in claim 1 is characterized in that, it also comprises annular magnetic conduction bridge (12), is used for embedding around excitation winding (11), and annular magnetic conduction bridge (12) is fixed on the end cap (16).
3, mixing excitation brushless DC start generator as claimed in claim 1 is characterized in that, the stator number of teeth, groove number and the winding type of attachment of permagnetic synchronous motor (18) and hybrid exciting synchronous motor (19) motor are identical; Adopt identical rotor structure pattern, be all the tangential magnet-steel structure or be all the radial magnet steel structure, and the rotor pole embrace is identical.
4, mixing excitation brushless DC start generator as claimed in claim 1, it is characterized in that, also comprise position transducer (20), it comprises position transducer rotor (13) and position transducer stator (14), rotor sensor (13) is installed in the rotating shaft (15), and position transducer stator (14) is installed on the end cap (61).
5, mixing excitation brushless DC start generator as claimed in claim 4 is characterized in that, position transducer (20) is a hall position sensor.
6, mixing excitation brushless DC start generator as claimed in claim 1 is characterized in that, the iron core (4) of permagnetic synchronous motor (18) and the iron core (9) of hybrid exciting synchronous motor (19) are overrided to form by silicon steel.
7, mixing excitation brushless DC start generator as claimed in claim 1 is characterized in that, the pole shoe of permagnetic synchronous motor (18) and hybrid exciting synchronous motor (19) is whole steel construction.
8, mixing excitation brushless DC start generator as claimed in claim 1, it is characterized in that, be filled with non-magnetic conductive metal material in the magnet isolation tank (2) of permagnetic synchronous motor (18) and hybrid exciting synchronous motor (19) and the magnet isolation tank (8), to reduce the quadrature axis armature reaction reactance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610085357XA CN100369359C (en) | 2006-06-12 | 2006-06-12 | Mixing excitation brushless DC start generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610085357XA CN100369359C (en) | 2006-06-12 | 2006-06-12 | Mixing excitation brushless DC start generator |
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| CN1870393A true CN1870393A (en) | 2006-11-29 |
| CN100369359C CN100369359C (en) | 2008-02-13 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710083A (en) * | 2012-06-06 | 2012-10-03 | 程开业 | Hybrid-excited brushless DC wind power generator |
| CN103475184A (en) * | 2013-09-29 | 2013-12-25 | 哈尔滨工业大学 | Modularized inertial energy storage pulse power supply |
| CN103501100A (en) * | 2013-10-21 | 2014-01-08 | 哈尔滨工业大学 | Integrated compensation pulse generating set |
| CN103723019A (en) * | 2012-10-16 | 2014-04-16 | 黄永松 | Duplex motor driving device and internal speed-changing duplex motor and clutch speed-reducing driving device thereof |
| CN107612199A (en) * | 2017-10-31 | 2018-01-19 | 天津昊野科技有限公司 | A kind of complete deep permagnetic synchronous motor in sea of built-in driving |
| CN107896038A (en) * | 2017-10-31 | 2018-04-10 | 南京航空航天大学 | A kind of double winding mixing excitation brushless DC integrated power generation system and its control method |
| CN111224477A (en) * | 2020-01-19 | 2020-06-02 | 东华大学 | Parallel structure brushless mixed excitation synchronous generator based on harmonic winding excitation |
| CN114977646A (en) * | 2022-04-27 | 2022-08-30 | 西安德赛控制系统有限责任公司 | Flight and vehicle platform controllable output current integrated control system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5990590A (en) * | 1996-09-10 | 1999-11-23 | Precise Power Corporation | Versatile AC dynamo-electric machine |
| CN1545188A (en) * | 2003-11-19 | 2004-11-10 | 南京航空航天大学 | Mixed excitation synchronous motor |
| CN1767316A (en) * | 2005-09-26 | 2006-05-03 | 南京航空航天大学 | Mixed excitation synchronous motor with radial structure |
| CN100495869C (en) * | 2005-11-17 | 2009-06-03 | 南京航空航天大学 | Tangential magnet steel mixed excitation synchronous machine possessing divided magnetic circuit |
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2006
- 2006-06-12 CN CNB200610085357XA patent/CN100369359C/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710083B (en) * | 2012-06-06 | 2014-02-12 | 程开业 | Hybrid-excited brushless DC wind power generator |
| CN102710083A (en) * | 2012-06-06 | 2012-10-03 | 程开业 | Hybrid-excited brushless DC wind power generator |
| CN103723019B (en) * | 2012-10-16 | 2016-08-24 | 黄永松 | Duplex motor driving device and internal speed-changing duplex motor and clutch speed-reducing driving device |
| CN103723019A (en) * | 2012-10-16 | 2014-04-16 | 黄永松 | Duplex motor driving device and internal speed-changing duplex motor and clutch speed-reducing driving device thereof |
| CN103475184B (en) * | 2013-09-29 | 2015-12-02 | 哈尔滨工业大学 | The modularization inertia energy storage pulse power |
| CN103475184A (en) * | 2013-09-29 | 2013-12-25 | 哈尔滨工业大学 | Modularized inertial energy storage pulse power supply |
| CN103501100A (en) * | 2013-10-21 | 2014-01-08 | 哈尔滨工业大学 | Integrated compensation pulse generating set |
| CN107612199A (en) * | 2017-10-31 | 2018-01-19 | 天津昊野科技有限公司 | A kind of complete deep permagnetic synchronous motor in sea of built-in driving |
| CN107896038A (en) * | 2017-10-31 | 2018-04-10 | 南京航空航天大学 | A kind of double winding mixing excitation brushless DC integrated power generation system and its control method |
| CN107896038B (en) * | 2017-10-31 | 2020-07-28 | 南京航空航天大学 | Double-winding hybrid excitation brushless direct current integrated power generation system and control method thereof |
| CN111224477A (en) * | 2020-01-19 | 2020-06-02 | 东华大学 | Parallel structure brushless mixed excitation synchronous generator based on harmonic winding excitation |
| CN114977646A (en) * | 2022-04-27 | 2022-08-30 | 西安德赛控制系统有限责任公司 | Flight and vehicle platform controllable output current integrated control system |
| CN114977646B (en) * | 2022-04-27 | 2024-04-16 | 西安德赛控制系统有限责任公司 | Integrated control system with controllable output heavy current in big moment of torsion position |
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| CN100369359C (en) | 2008-02-13 |
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