CN101667769A - Compound excitation generator for electric automobiles - Google Patents
Compound excitation generator for electric automobiles Download PDFInfo
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- CN101667769A CN101667769A CN200910018499A CN200910018499A CN101667769A CN 101667769 A CN101667769 A CN 101667769A CN 200910018499 A CN200910018499 A CN 200910018499A CN 200910018499 A CN200910018499 A CN 200910018499A CN 101667769 A CN101667769 A CN 101667769A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention relates to a compound excitation generator for electric automobiles, which belongs to the technical field of automobile electric motors and appliances and comprises rotors, a stator, a front end cover (15), a back end cover (3) and an electronic controller (2). The compound excitation generator is characterized in that the electric excitation rotor and the permanent-magnet rotor areinstalled on a shaft (1) and separated by a residual shim (10); the electric excitation rotor and the permanent-magnet rotor share an armature winding (11), and the produced magnetic potentials are synthesized by connecting in parallel in a magnetic path; and when in use, the magnitude and the direction of the electrifying current of the electric excitation rotor are regulated, so that the magnetic field superimposed by an electric excitation magnetic field and a permanent-magnet magnetic field can be regulated to ensure that the generator can output direct current with stable voltage within wide rotating speed and load. The generator has the advantages of compact structure, convenient installation, and safe and reliable operation.
Description
Technical field
The invention provides a kind of compound excitation generator for electric automobiles, belong to the electric motor of automobile technical field of electric appliances.
Background technology
Auto industry is the sign of modern industry, it is the leading industry of the national economic development, various aspects in industrial and agricultural production, communications and transportation and human being's production life all play indispensable effect, at present with the generator of automobile accessories use, ubiquity the problem that failure rate height, power output are little, can not satisfy user's instructions for use.As disclosed utility model patent: composite excitation formula automobile current generator, application number: 200720091005.5, by pawl utmost point rotor, stator, front end housing, rear end cap, electronic controller is formed, it is on the basis of general silicon rectifier AC generator for vehicle traditional electrical excitation, increase the rare earth permanent magnet excitation, adopt the composite excitation structure of electromagnetism+permanent magnetism, its key technology is to dispose magnet steel on the pawl utmost point rotor, magnet steel places between the adjacent pawl utmost point rotor of opposed polarity, the left and right sides of magnet steel is 1: 5 inclined-plane of tapering, this method is that magnet steel is sticked between every pair of electric excitation pawl utmost point, require every pair of gap between the electric excitation pawl utmost point to want evenly, the assembly precision height, manufacturing process complexity, cost height; Disclosed for another example utility model patent: the automobile double generator reaches the voltage regulator with its adapted, application number: 200420086799.2, permanent magnetism claw, electric excitation claw are housed on the rotor, a pawl utmost point of the electric excitation claw that a pawl utmost point of its permanent magnetism claw is adjacent with it is an integral body or two mutual two close objects, the magnet exciting coil of electric excitation claw with one in establish the voltage regulator of inverter output be connected.Two generators that the electric excitation rotor by the p-m rotor of claw-pole structure and non-carbonate claw-pole structure that this patent is described is formed, the p-m rotor of claw-pole structure changes over the permanent magnetic field of axial charging the radial magnetic field of a plurality of utmost points by the pawl utmost point, the magnetic field air gap is many, leakage field is big, stock utilization is low, and its serviceability needs further improvement.
Summary of the invention
The technical problem that will solve of the present invention provides and a kind ofly can overcome that above-mentioned defective, magnetic field make full use of, output voltage stabilization, compact conformation, and it is little to take up space, safe and reliable compound excitation generator for electric automobiles.
The technical solution adopted for the present invention to solve the technical problems is: compound excitation generator for electric automobiles is made up of rotor, stator, front end housing, rear end cap, electronic controller, it is characterized in that: on the axle electric excitation rotor and p-m rotor are installed, electricity excitation rotor and p-m rotor are by residual shim at interval, electricity excitation rotor and the shared same armature winding of p-m rotor, the magnetic potential of generation is in magnetic circuit and be unified into;
The electricity excitation rotor is the brush-less electrically exciting claw-pole structure, by axle, rotor yoke, the electric excitation type fore paw utmost point, the electric excitation type rear solid end utmost point and excitation winding are formed, excitation winding is connected with electronic controller, the coil of excitation winding is wrapped on the rotor yoke, rotor yoke by screw on rear end cap, the electric excitation type fore paw utmost point is fitted on the axle by its centre bore, the rotor yoke inner hole sleeve is on the centre hole axis of the electric excitation type fore paw utmost point, certain clearance is arranged between the two, can relatively rotate, the electric excitation type rear solid end utmost point passes through its inner hole sleeve on the cylindrical of rotor yoke, and certain clearance is arranged between the two, can relatively rotate, the electric excitation type rear solid end utmost point is welded on the electric excitation type fore paw by non-magnet material and extremely goes up, form the N utmost point, the S interpolar is every arrangement, and number of poles equates, and all evenly distributes along circular;
P-m rotor is a cutting orientation structure, by axle, permanent magnet, pole shoe rotor core, form every magnetic lining, non-magnetic conduction slot wedge, permanent magnet is arranged in the groove of pole shoe rotor core successively by tangential direction and the adjacent identical relative mode of polar surface of permanent magnet, and with non-magnetic conductive groove forelock, the pole shoe rotor core is fixed on the magnetic lining, every the magnetic bushing press-mounting on axle.
Operation principle: the target voltage stabilizing value that compound excitation generator for electric automobiles is set is 14V, when generator output voltage is lower than target voltage stabilizing value 14V, electronic controller provides forward current for the excitation winding of generator, the magnetic field superposition that magnetic field that the brush-less electrically exciting rotor produces and p-m rotor provide, magnetic flux in the air gap increases, the induced electromotive force that armature winding produces increases, so generator output voltage raises; When generator output voltage is higher than target voltage stabilizing value 14V, electronic controller provides reverse current for the excitation winding of generator, the field weakening that the electricity excitation rotor produces the magnetic field that provides of p-m rotor, magnetic flux in the air gap reduces, the induced electromotive force that armature winding produces reduces, and generator output voltage also reduces, and goes round and begins again, thereby make the generator output voltage galvanic current, satisfy the instructions for use of electric automobile electricity consumption equipment.
The present invention is the complex excitation generator that brush-free claw-pole electricity excitation rotor and tangential rare-earth permanent magnet rotor are formed, and compared with prior art, brush-free claw-pole electricity excitation rotor has saved carbon brush, slip ring structure, compact conformation, and failure rate is low; The pole shoe rotor core of tangential rare-earth permanent magnet rotor changes the magnetic field of tangential direction into radial magnetic field, and magnetic property is good, and magnetization is even, the utilance height; Electronic controller is by regulating the size and Orientation of brush-free claw-pole electricity excitation rotor electrical current, magnetic field behind permanent magnetic field and the electric exciting field superposition can be regulated, guarantee that generator output voltage in wide rotating speed, wide loading range keeps stable, this machine compact conformation, safe and reliable.
Description of drawings
Fig. 1 is the structural representation of compound excitation generator for electric automobiles embodiment of the present invention;
Fig. 2 is the ultra-Right view of electric excitation type rear solid end;
Fig. 3 is an electric excitation type rear solid end utmost point profile;
Fig. 4 is the profile of cutting orientation structure p-m rotor.
Wherein: the 12 electronic controller 3 rear end caps 4 screws 5 rotor yokes 6 electric excitation type rear solid end utmost points 7 excitation winding 8 electric excitation type fore paw utmost points 9 stator cores 10 residual shims 11 armature winding 12 non-magnetic conduction slot wedge 13 permanent magnets 14 are every magnetic lining 15 front end housings 16 pole shoe rotor cores.
Embodiment
The invention will be further described below in conjunction with accompanying drawing 1-4:
Shown in Fig. 1-4:
This compound excitation generator for electric automobiles is made up of rotor, stator, front end housing 15, rear end cap 3, electronic controller 2, on the axle 1 electric excitation rotor and p-m rotor are installed, electricity excitation rotor and p-m rotor are by residual shim 10 at interval, electricity excitation rotor and the shared same armature winding 11 of p-m rotor, the magnetic potential of generation is in magnetic circuit and be unified into;
The electricity excitation rotor is the brush-less electrically exciting claw-pole structure, by axle 1, rotor yoke 5, the electric excitation type fore paw utmost point 8, the electric excitation type rear solid end utmost point 6 and excitation winding 7 are formed, excitation winding 7 is connected with electronic controller 2, the coil of excitation winding 7 is wrapped on the rotor yoke 5, rotor yoke 5 is fixed on the rear end cap 3 by screw 4, the electric excitation type fore paw utmost point 8 centre bores by it are fitted on the axle 1, rotor yoke 5 inner hole sleeves are on the centre hole axis of the electric excitation type fore paw utmost point 8, certain clearance is arranged between the two, can relatively rotate, the electric excitation type rear solid end utmost point 6 passes through its inner hole sleeve on the cylindrical of rotor yoke 5, certain clearance is arranged between the two, can relatively rotate, the electric excitation type rear solid end utmost point 6 is welded on the electric excitation type fore paw utmost point 8 by non-magnet material, form the N utmost point, the S interpolar is every arrangement, and number of poles equates, and all evenly distributes along circular;
P-m rotor is a cutting orientation structure, by axle 1, permanent magnet 13, pole shoe rotor core 16, form every magnetic lining 14, non-magnetic conduction slot wedge 12, permanent magnet 13 is arranged in the groove of pole shoe rotor core 16 successively by tangential direction and the adjacent permanent magnet 13 identical relative modes of polar surface, and it is fixing with non-magnetic conduction slot wedge 12, pole shoe rotor core 16 is fixed on magnetic lining 14, is fitted on the axle 1 every magnetic lining 14.
The operation principle and the course of work are as follows:
The target voltage stabilizing value that compound excitation generator for electric automobiles is set is 14V, when generator output voltage is lower than target voltage stabilizing value 14V, electronic controller provides forward current for the excitation winding of generator, the magnetic field superposition that magnetic field that the brush-less electrically exciting rotor produces and p-m rotor provide, magnetic flux in the air gap increases, the induced electromotive force that armature winding produces increases, so generator output voltage raises; When generator output voltage is higher than target voltage stabilizing value 14V, electronic controller provides reverse current for the excitation winding of generator, the field weakening that the electricity excitation rotor produces the magnetic field that provides of p-m rotor, magnetic flux in the air gap reduces, the induced electromotive force that armature winding produces reduces, and generator output voltage also reduces, and goes round and begins again, thereby make the generator output voltage galvanic current, satisfy the instructions for use of electric automobile electricity consumption equipment.
Claims (1)
1, a kind of compound excitation generator for electric automobiles, form by rotor, stator, front end housing (15), rear end cap (3), electronic controller (2), it is characterized in that: on the axle (1) electric excitation rotor and p-m rotor are installed, electricity excitation rotor and p-m rotor are by residual shim (10) at interval, electricity excitation rotor and the shared same armature winding of p-m rotor (11), the magnetic potential of generation is in magnetic circuit and be unified into;
The electricity excitation rotor is the brush-less electrically exciting claw-pole structure, by axle (1), rotor yoke (5), the electric excitation type fore paw utmost point (8), the electric excitation type rear solid end utmost point (6) and excitation winding (7) are formed, excitation winding (7) is connected with electronic controller (2), the coil of excitation winding (7) is wrapped on the rotor yoke (5), rotor yoke (5) is fixed on the rear end cap (3) by screw (4), the electric excitation type fore paw utmost point (8) is fitted on the axle (1) by its centre bore, rotor yoke (5) inner hole sleeve is on the centre hole axis of the electric excitation type fore paw utmost point (8), certain clearance is arranged between the two, can relatively rotate, the electric excitation type rear solid end utmost point (6) passes through its inner hole sleeve on the cylindrical of rotor yoke (5), certain clearance is arranged between the two, can relatively rotate, the electric excitation type rear solid end utmost point (6) is welded on the electric excitation type fore paw utmost point (8) by non-magnet material, form the N utmost point, the S interpolar is every arrangement, and number of poles equates, and all evenly distributes along circular;
P-m rotor is a cutting orientation structure, by axle (1), permanent magnet (13), pole shoe rotor core (16), form every magnetic lining (14), non-magnetic conduction slot wedge (12), permanent magnet (13) is arranged in the groove of pole shoe rotor core (16) successively by tangential direction and the adjacent identical relative mode of polar surface of permanent magnet (13), and it is fixing with non-magnetic conduction slot wedge (12), pole shoe rotor core (16) is fixed on magnetic lining (14), is fitted on the axle (1) every magnetic lining (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910018499A CN101667769A (en) | 2009-09-30 | 2009-09-30 | Compound excitation generator for electric automobiles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910018499A CN101667769A (en) | 2009-09-30 | 2009-09-30 | Compound excitation generator for electric automobiles |
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| CN101667769A true CN101667769A (en) | 2010-03-10 |
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| CN200910018499A Pending CN101667769A (en) | 2009-09-30 | 2009-09-30 | Compound excitation generator for electric automobiles |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306964A (en) * | 2011-09-13 | 2012-01-04 | 陈强 | Permanent magnet motor rotor |
| CN102340206A (en) * | 2011-09-28 | 2012-02-01 | 王子齐 | AC (Alternating Current) and DC (Direct Current) integrated permanent-magnet super-energy power motor integrating functions of dragging, frequency converting and speed regulating for vehicles and ships |
| CN102594075A (en) * | 2012-02-16 | 2012-07-18 | 合肥环洋电气有限公司 | Brushless hybrid excitation type claw-pole generator |
| CN102647066A (en) * | 2012-04-21 | 2012-08-22 | 山东理工大学 | Electromagnetic and dual radial permanent magnet hybrid excitation generator |
| CN102647067A (en) * | 2012-04-21 | 2012-08-22 | 山东理工大学 | Radial and Tangential Permanent Magnet and Electromagnetic Hybrid Excitation Generators |
| CN102647065A (en) * | 2012-04-21 | 2012-08-22 | 山东理工大学 | Brushless Electromagnetic and Hybrid Magnetic Circuit Composite Excitation Generator |
| CN102664502A (en) * | 2012-04-21 | 2012-09-12 | 山东理工大学 | Mixed permanent magnet and electromagnetism compound excitation generator |
| CN102931795A (en) * | 2011-08-11 | 2013-02-13 | 中山大洋电机制造有限公司 | Motor structure |
| CN103607079A (en) * | 2013-12-05 | 2014-02-26 | 山东理工大学 | Brushless electromagnetic and biradial permanent magnet compound excitation generator rotor production method |
| CN103607080A (en) * | 2013-12-05 | 2014-02-26 | 山东理工大学 | Rotor production method of tangential and biradial permanent magnet hybrid excitation generator |
| CN105914986A (en) * | 2016-05-11 | 2016-08-31 | 山东理工大学 | Brushless electromagnetic and composite permanent magnet magnetic pole mixed excitation driving motor |
| DE102020104857A1 (en) * | 2019-06-28 | 2020-12-31 | Schaeffler Technologies AG & Co. KG | Drive arrangement for an electric drive axle |
-
2009
- 2009-09-30 CN CN200910018499A patent/CN101667769A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931795A (en) * | 2011-08-11 | 2013-02-13 | 中山大洋电机制造有限公司 | Motor structure |
| CN102931795B (en) * | 2011-08-11 | 2014-11-12 | 中山大洋电机制造有限公司 | Motor structure |
| CN102306964A (en) * | 2011-09-13 | 2012-01-04 | 陈强 | Permanent magnet motor rotor |
| CN102340206A (en) * | 2011-09-28 | 2012-02-01 | 王子齐 | AC (Alternating Current) and DC (Direct Current) integrated permanent-magnet super-energy power motor integrating functions of dragging, frequency converting and speed regulating for vehicles and ships |
| CN102340206B (en) * | 2011-09-28 | 2013-10-16 | 王子齐 | AC (Alternating Current) and DC (Direct Current) integrated permanent-magnet super-energy power motor integrating functions of dragging, frequency converting and speed regulating for vehicles and ships |
| CN102594075A (en) * | 2012-02-16 | 2012-07-18 | 合肥环洋电气有限公司 | Brushless hybrid excitation type claw-pole generator |
| CN102647067A (en) * | 2012-04-21 | 2012-08-22 | 山东理工大学 | Radial and Tangential Permanent Magnet and Electromagnetic Hybrid Excitation Generators |
| CN102664502A (en) * | 2012-04-21 | 2012-09-12 | 山东理工大学 | Mixed permanent magnet and electromagnetism compound excitation generator |
| CN102647065A (en) * | 2012-04-21 | 2012-08-22 | 山东理工大学 | Brushless Electromagnetic and Hybrid Magnetic Circuit Composite Excitation Generator |
| CN102647066A (en) * | 2012-04-21 | 2012-08-22 | 山东理工大学 | Electromagnetic and dual radial permanent magnet hybrid excitation generator |
| CN103607079A (en) * | 2013-12-05 | 2014-02-26 | 山东理工大学 | Brushless electromagnetic and biradial permanent magnet compound excitation generator rotor production method |
| CN103607080A (en) * | 2013-12-05 | 2014-02-26 | 山东理工大学 | Rotor production method of tangential and biradial permanent magnet hybrid excitation generator |
| CN103607080B (en) * | 2013-12-05 | 2015-10-07 | 山东理工大学 | Tangential and biradial permanent magnetism composite excitation generator rotor production method |
| CN103607079B (en) * | 2013-12-05 | 2015-10-07 | 山东理工大学 | Brushless electromagnetism and biradial permanent magnetism mixing excitation generator amature production method |
| CN105914986A (en) * | 2016-05-11 | 2016-08-31 | 山东理工大学 | Brushless electromagnetic and composite permanent magnet magnetic pole mixed excitation driving motor |
| DE102020104857A1 (en) * | 2019-06-28 | 2020-12-31 | Schaeffler Technologies AG & Co. KG | Drive arrangement for an electric drive axle |
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Open date: 20100310 |