CN107579641B - A kind of automobile start generator - Google Patents
A kind of automobile start generator Download PDFInfo
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- CN107579641B CN107579641B CN201710989923.8A CN201710989923A CN107579641B CN 107579641 B CN107579641 B CN 107579641B CN 201710989923 A CN201710989923 A CN 201710989923A CN 107579641 B CN107579641 B CN 107579641B
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Abstract
A kind of automobile start generator, belongs to electric motor of automobile and technical field of electric appliances, is made of axis, rotor, stator core, armature winding, permanent magnet and bearing；The periphery of rotor is evenly distributed with 2K rectangular opening, and K is positive integer；Stator core is made of the 3K uniformly distributed sub- stator cores of " Contraband " shape, the stator tooth that sub- stator core both ends respectively have a side fan-shaped；Yoke portion among every sub- stator core accompanies a permanent magnet, and the root of each stator tooth is wound with armature winding.This technology magnetic circuit is short, enameled wire is also short, therefore iron loss copper loss is few；The advantages of rotor can be with magnetic conduction can be given full play to, there is higher application value on automobile start generator.
Description
Technical field
The present invention relates to a kind of automobile start generators, belong to electric motor of automobile and technical field of electric appliances.
Background technique
Starter-generator can start engine as motor running and operate to electrical equipment as generator and mention
It is the critical component of the novel energy-conservings automobiles such as hybrid power, idle stop automobile for electric energy.With the development of automotive engineering, rise
Dynamic generator techniques are increasingly used on automobile.
For vehicle-mounted starting generator, in existing technology, applicant was once in number of patent application
201410073698.X: a kind of brushless direct-current reluctance type starter-generator, this application motor use reluctance type structure, logical when power generation
Overregulate exciting current to keep the stabilization of output voltage, when starting rotates by reluctance torque, and armature coil series connection plays turn
Square is big, is suitble to low-speed running；Magnetic field is generated using excitation winding when power generation, armature coil is in parallel, and armature-reaction is small, is suitble to high speed
Operating.Also application No. is 201510021060.6: a kind of fly-wheel type permanent magnet starter-generator, invention motor permanent magnetism demagnetization effect
Answer small, therefore iron loss is few；The coil of coil and the pole S stator poles in the stator poles of the pole N can be with effective supplement；With outside flywheel-type turns
It minor structure and can start and generator operation.
Application No. is 201510021141.6: a kind of flywheel-type electrical excitation starter-generator.The technology realizes Lundell
Brushless excitation, excitation loss is small and non-carbonate slip ring；With flywheel-type outer-rotor structure, it is adapted for mount to outside engine crankshaft
End constitutes flywheel-type starter-generator；And the motor is worked by the principle of magnetic resistance change rate.
Such as application No. is 201510021133.1: a kind of outer rotor motor generator for the similar patent with the application.The Shen
Please motor generator can as motor running and as generator run；This application motor uses outer-rotor structure,
Its excitation winding is located among motor, and using intermediate excitation, and forming double winding can be complementary, and motor can be effectively reduced
Torque pulsation or mains ripple.With this application motor the difference is that the root of each stator tooth of the application motor is wound with electricity
Pivot winding.This technology uses central excitation mode, has higher application value on distance increasing unit generator.
The special construction of the technology of the present invention can play the advantages of rotor can be with magnetic conduction.Traditional permanent magnet starting motor, electricity
Pivot winding is too close apart with permanent magnet, therefore armature-reaction even demagnetizes obviously to the magnetic that subtracts of permanent magnet.Proposed by the present invention
Dynamic generator, magnetic circuit is short, enameled wire is also short, therefore iron loss copper loss is few；In addition, complementary also there are two tool obtain the pole N stator coil
With the pole S stator coil, permanent magnet number is few, and assembly is simple.
Summary of the invention
In order to provide a kind of loss of function less, big, compact-sized, the easy to use automobile start power generation of effective output
Machine takes following technical scheme:
A kind of automobile start generator, it is characterised in that: by axis, rotor, stator core, armature winding, permanent magnet and axis
Hold composition；
Cup-shaped rotor is fixed on axis, and the periphery of rotor is evenly distributed with 2K rectangular opening, and K is positive integer, from the side
Rectangular opening section is fan-shaped；Stator core is fixed on motor body, and stator core is by the 3K uniformly distributed sub- stators of " Contraband " shape
Iron core forms, and the yoke portion among sub- stator core is parallel to axis；
The stator tooth that sub- stator core both ends respectively have a side fan-shaped；All stator tooths are towards rotor-side and same
The distance of the stator tooth at a sub- stator core both ends is less than the axial length of rotor rectangular opening；Yoke among every sub- stator core
Portion accompanies a permanent magnet, and all magnetizing directions are identical；Position among two rectangular openings of rotor being capable of axial magnetic conduction；It is each fixed
The root of sub- tooth is wound with armature winding, and the armature winding in same sub- stator core is around to opposite.
A kind of automobile start generator as described above, it is characterised in that: the angle of stator tooth plank sector is equal to 30 degree,
The fan angle of rotor rectangular opening is equal to 60 degree, and all armature winding are around to identical.
A kind of automobile start generator as described above, it is characterised in that: the axis of stator tooth and rotor inner periphery contact surface
It is greater than the axial width of stator root portion to width.
A kind of automobile start generator as described above, it is characterised in that: when rotor is inner rotor core, rotor is in cup
Type；When rotor is inner rotor core, rotor is in cylinder type.
A kind of automobile start generator, by axis, rotor, stator core, armature winding and set of permanent magnets at feature exists
In:
Rotor is fixed on axis, and the periphery of rotor is evenly distributed with 4K rectangular opening, and K is positive integer, and rectangular opening is in from the side
It is fan-shaped；
Stator core is fixed on motor body, and stator core is made of the 5K uniformly distributed sub- stator cores of Contraband font,
Yoke portion among sub- stator core is parallel to axis；The stator that the both ends of every sub- stator core have a side fan-shaped
Tooth；All stator tooths are towards rotor-side and the distance of the stator tooth at same sub- stator core both ends is less than rotor rectangular opening
Axial length；
The surface of each stator tooth is fixed with permanent magnet；Two stator tooth magnetizing direction phases of same sub- stator core
Instead；
Position among two rectangular openings of rotor being capable of axial magnetic conduction；
The yoke portion of every sub- stator core is wound with armature winding；Armature winding in 5K all sub- stator cores is divided into
Five phases.
Beneficial effects of the present invention:
1 each phase winding is completely isolated, and permanent magnet and armature winding isolation, short circuit current will not cause the propagation of failure, mention
High reliability；
2 rotor magnetic conductive areas are big, and under the flux density being equally saturated, the technology magnetic flux of the application is big, and back-emf is high, electricity
Machine power is big；
3 permanent magnets and armature winding are easy to radiate, and can be suitble to hot operation environment；
4 detent forces and rotary inertia are small, it is rapid to respond；
5 machine windings of the invention are all centralized winding, and internal resistance is small, high-efficient.
Detailed description of the invention
Fig. 1 is a kind of 1 sectional side elevation of automobile start generator embodiment of the technology of the present invention.Wherein 1 axis, 2 rotors, 3 fixed spiral shells
Mother, 4 permanent magnets, 5 armature winding, 6 stator cores, 7 motor bodies；
Fig. 2 is the cross sectional view at 1 permanent magnet of embodiment.Wherein 1 axis, 4 permanent magnets, 5 armature winding；
1 rotor of Fig. 3 embodiment is the schematic diagram of outer-rotor structure.Wherein 7 rotor.
Fig. 4 is a kind of 2 sectional side elevation of automobile start generator embodiment.Wherein, 1 axis, 2 rotors, 3 fixture nuts, 4 armatures around
Group, 5 stator cores, 6 permanent magnets；7 motor bodies.
Fig. 5 is the cross sectional view at 2 permanent magnet of embodiment.4 armature winding, 6 permanent magnets.
Schematic diagram when Fig. 6 is a kind of 1 magnetic resistance minimum of automobile start generator embodiment of the technology of the present invention.In 1 axis, 2 turns
Son, 3 fixture nuts, 4 permanent magnets, 5 armature winding, 6 stator cores, 7 motor bodies.
Specific embodiment
Fig. 1 is a kind of 1 sectional side elevation of automobile start generator embodiment of the technology of the present invention.Wherein 1 axis, 2 rotors, 3 fixed spiral shells
Mother, 4 permanent magnets, 5 armature winding, 6 stator cores, 7 motor bodies.A kind of automobile start generator is outer-rotor structure, is in
The outer rotor of cup type is fixed on axis, and the periphery of outer rotor is evenly distributed with 2K rectangular opening, and K is positive integer, from the side rectangular opening
Section is fan-shaped；Stator core is fixed on motor body, and stator core is by the 3K uniformly distributed sub- stator core groups of " Contraband " shape
At the yoke portion among sub- stator core is parallel to axis.
The stator tooth that sub- stator core both ends respectively have a side fan-shaped；All stator tooths are towards periphery and same
The distance of the stator tooth at one sub- stator core both ends is less than the axial length of outer rotor rectangular opening；Among every sub- stator core
Yoke portion accompany a permanent magnet, all magnetizing directions are identical；Position among two rectangular openings of outer rotor being capable of axial magnetic conduction；
The root of each stator tooth is wound with armature winding, and the armature winding in same sub- stator core is around to opposite.
The angle of stator tooth plank sector is equal to 30 degree, and the fan angle of outer rotor rectangular opening is equal to 60 degree, all armatures
Winding is around to identical.
The axial width of stator tooth and outer rotor inner periphery contact surface is greater than the axial width of stator root portion.
Fig. 2 is the cross sectional view at 1 permanent magnet of embodiment.Wherein 1 axis, permanent magnet, 5 armature winding.Stator core is fixed on
On motor body, stator core is made of 6 uniformly distributed sub- stator cores of " Contraband " shape, and the yoke portion among sub- stator core is parallel
In axis；The stator tooth that sub- stator core both ends respectively have a side fan-shaped；All stator tooths are towards periphery and same
The distance of the stator tooth at one sub- stator core both ends is less than the axial length of outer rotor rectangular opening.
Yoke portion among every sub- stator core accompanies a permanent magnet, and all magnetizing directions are identical；Two squares of outer rotor
Position among shape hole being capable of axial magnetic conduction；The root of each stator tooth is wound with armature winding, in same sub- stator core
Armature winding is around to opposite.
1 rotor of Fig. 3 embodiment is outer-rotor structure schematic diagram.Wherein 7 outer rotor.Cup-shaped outer rotor is fixed on axis
On, the periphery of outer rotor is evenly distributed with 4 rectangular openings, and rectangular opening section is fan-shaped from the side, the segment angle of outer rotor rectangular opening
Degree is equal to 60 degree.
Fig. 4 is a kind of 2 sectional side elevation of automobile start generator embodiment.
A kind of automobile start generator, by axis, rotor, stator core, armature winding and set of permanent magnets at feature exists
In:
Rotor is fixed on axis, and the periphery of rotor is evenly distributed with 4K rectangular opening, and K is positive integer, and rectangular opening is in from the side
It is fan-shaped；
Stator core is fixed on motor body, and stator core is by the 5K uniformly distributed sub- stator core groups of " Fang " shape
At the yoke portion among sub- stator core is parallel to axis；The both ends of every sub- stator core have a side is fan-shaped to determine
Sub- tooth；All stator tooths are towards rotor-side and the distance of the stator tooth at same sub- stator core both ends is less than rotor rectangular opening
Axial length；Position among two rectangular openings of rotor being capable of axial magnetic conduction.
Fig. 5 is the cross sectional view at 2 permanent magnet of embodiment.The surface of each stator tooth is fixed with permanent magnet；Same height is fixed
Two stator tooth magnetizing directions of sub- iron core are opposite；
Schematic diagram when Fig. 6 is a kind of 1 magnetic resistance minimum of automobile start generator embodiment of the technology of the present invention, 1 He of comparison diagram
Fig. 6, it can be seen that when rotor rotates, the magnetic linkage size of armature winding constantly changes.
Available working principle of the present invention accordingly: since permanent magnet and armature pole of the invention are aligned in the axial direction, because
This when the part of rotor energy magnetic conduction is aligned with stator tooth, the magnetic resistance of the stator tooth linkage winding is minimum, armature winding magnetic linkage most
Greatly；When the fan-shaped pylone of rotor is aligned stator tooth, the magnetic resistance of the armature pole linkage winding is maximum, armature winding magnetic linkage is minimum.
When the part of rotor energy magnetic conduction moves closer to stator tooth, the self-induction of the phase armature winding is also increasing.Work as rotor
When being partially disengaged armature pole of iron core energy magnetic conduction, the self-induction of the phase armature winding is also increasing.
Since the magnetic linkage of the mutual inductance of the application armature winding and permanent magnet, armature winding linkage is also constantly changing,
So if movable rotor, then armature winding can generate induced electromotive force.It is run here it is the application motor as generator
Principle.
When the application motor is run as starter, positive electricity is passed to the phase winding for generating positive induced electromotive force
Stream, then the winding can produce positive torque；Pass to negative current to the phase winding for generating negative induced electromotive force, then it should be around
Group can produce positive torque.
Claims (4)
1. a kind of automobile start generator, it is characterised in that:
It is made of axis, rotor, stator core, armature winding, permanent magnet and bearing；
Rotor is fixed on axis, and the periphery of rotor is evenly distributed with 2K rectangular opening, and K is positive integer, and rectangular opening section is in from the side
It is fan-shaped；
Stator core is fixed on motor body, and stator core is made of the 3K uniformly distributed sub- stator cores of " Contraband " shape, and son is fixed
Yoke portion among sub- iron core is parallel to axis；
The stator tooth that sub- stator core both ends respectively have a side fan-shaped；All stator tooths are towards rotor-side and same height
The distance of the stator tooth at stator core both ends is less than the axial length of rotor rectangular opening；
Yoke portion among every sub- stator core accompanies a permanent magnet, and all magnetizing directions are identical；
Position among two rectangular openings of rotor being capable of axial magnetic conduction；
The root of each stator tooth is wound with armature winding, and the armature winding in same sub- stator core is around to opposite；
The axial width of stator tooth and rotor inner periphery contact surface is greater than the axial width of stator root portion.
2. a kind of automobile start generator as described in claim 1, it is characterised in that:
The angle of stator tooth plank sector is equal to 30 degree, the fan angle of rotor rectangular opening equal to 60 degree, all armature winding around
To identical.
3. a kind of automobile start generator as described in claim 1, it is characterised in that:
When rotor is outer-rotor structure, rotor is cup-shaped；
When rotor is inner rotor core, rotor is in cylinder type.
4. a kind of automobile start generator, by axis, rotor, stator core, armature winding and set of permanent magnets at, it is characterised in that:
Rotor is fixed on axis, and the periphery of rotor is evenly distributed with 4K rectangular opening, and K is positive integer, and rectangular opening is fan-shaped from the side；
Stator core is fixed on motor body, and stator core is made of the 5K uniformly distributed sub- stator cores of Contraband font, and son is fixed
Yoke portion among sub- iron core is parallel to axis；The stator tooth that the both ends of every sub- stator core have a side fan-shaped；Institute
Some stator tooths are less than the axial direction of rotor rectangular opening towards rotor-side and the distance of the stator tooth at same sub- stator core both ends
Length；
The surface of each stator tooth is fixed with permanent magnet；Two stator tooth magnetizing directions of same sub- stator core are opposite；
Position among two rectangular openings of rotor being capable of axial magnetic conduction；
The yoke portion of every sub- stator core is wound with armature winding；Armature winding in 5K all sub- stator cores is divided into five
Phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710989923.8A CN107579641B (en) | 2017-10-23 | 2017-10-23 | A kind of automobile start generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710989923.8A CN107579641B (en) | 2017-10-23 | 2017-10-23 | A kind of automobile start generator |
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| Publication Number | Publication Date |
|---|---|
| CN107579641A CN107579641A (en) | 2018-01-12 |
| CN107579641B true CN107579641B (en) | 2019-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710989923.8A Active CN107579641B (en) | 2017-10-23 | 2017-10-23 | A kind of automobile start generator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006101613A (en) * | 2004-09-29 | 2006-04-13 | Honda Motor Co Ltd | Flywheel magneto-generator |
| CN101183806A (en) * | 2007-10-09 | 2008-05-21 | 天津大学 | Magnetic flux inverse type electric motor |
| CN103633801A (en) * | 2012-08-28 | 2014-03-12 | 张新东 | Generator with stator consisting of magnetic poles and coils |
| CN105226894A (en) * | 2015-10-30 | 2016-01-06 | 赵明珍 | U-shaped stator permanent magnet switched reluctance machines |
| CN105245071A (en) * | 2015-10-30 | 2016-01-13 | 赵明珍 | Energy-saving permanent magnetism switched reluctance motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651371A (en) * | 2004-12-17 | 2005-08-10 | 天津大学 | Preparation method of 1,1-diaryl-3-propylene halide |
| CN103986255A (en) * | 2013-02-07 | 2014-08-13 | 艾默生环境优化技术(苏州)有限公司 | Switched reluctance motor and rotor thereof |
-
2017
- 2017-10-23 CN CN201710989923.8A patent/CN107579641B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006101613A (en) * | 2004-09-29 | 2006-04-13 | Honda Motor Co Ltd | Flywheel magneto-generator |
| CN101183806A (en) * | 2007-10-09 | 2008-05-21 | 天津大学 | Magnetic flux inverse type electric motor |
| CN103633801A (en) * | 2012-08-28 | 2014-03-12 | 张新东 | Generator with stator consisting of magnetic poles and coils |
| CN105226894A (en) * | 2015-10-30 | 2016-01-06 | 赵明珍 | U-shaped stator permanent magnet switched reluctance machines |
| CN105245071A (en) * | 2015-10-30 | 2016-01-13 | 赵明珍 | Energy-saving permanent magnetism switched reluctance motor |
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| CN107579641A (en) | 2018-01-12 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180716 Address after: 266000 Wang Siwen, Department of logistics, Shandong Foreign Trade Vocational College, No. 201, Jufeng Road, Qingdao, Shandong. Applicant after: Shi Zhengqi Address before: 255090 Karen garden, Ma Shang Town, Zhangdian District, Zibo City, Zibo, Shandong 34, 419 Applicant before: Shi Liwei |
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Effective date of registration: 20191023 Address after: 221300 Jiangsu Xuzhou Pizhou City Hall Town Industrial Park Applicant after: Xuzhou Hui Bo Electromechanical Technology Co., Ltd. Address before: 266000 Wang Siwen, Department of logistics, Shandong Foreign Trade Vocational College, No. 201, Jufeng Road, Qingdao, Shandong. Applicant before: Shi Zhengqi |
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Address after: 2213116 Taishang Industrial Park, Yitang Town, Pizhou City, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Huibo Electromechanical Technology Co.,Ltd. Address before: 221300 Jiangsu Xuzhou Pizhou City Hall Town Industrial Park Patentee before: XUZHOU HUIBO ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. |
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