CN108521183B - Mixed excitation claw-pole formula pole-changing generator rotor - Google Patents
Mixed excitation claw-pole formula pole-changing generator rotor Download PDFInfo
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- CN108521183B CN108521183B CN201810430035.7A CN201810430035A CN108521183B CN 108521183 B CN108521183 B CN 108521183B CN 201810430035 A CN201810430035 A CN 201810430035A CN 108521183 B CN108521183 B CN 108521183B
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- pole
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- rotor core
- pawl pole
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
- H02K21/021—Means for mechanical adjustment of the excitation flux
- H02K21/028—Means for mechanical adjustment of the excitation flux by modifying the magnetic circuit within the field or the armature, e.g. by using shunts, by adjusting the magnets position, by vectorial combination of field or armature sections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
- H02K21/04—Windings on magnets for additional excitation ; Windings and magnets for additional excitation
- H02K21/042—Windings on magnets for additional excitation ; Windings and magnets for additional excitation with permanent magnets and field winding both rotating
- H02K21/044—Rotor of the claw pole type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Synchronous Machinery (AREA)
Abstract
The present invention is a kind of mixed excitation claw-pole formula pole-changing generator rotor, is related to a kind of generator amature, including shaft, rotor-exciting component, slide ring portion.When the generator amature is applied to pole-changing automobile current generator, according to the revolving speed of the generator amature, change simultaneously two pole polarity of pawl pole one and pawl pole, rotor magnetic pole number is more when the generator amature being made to be in slow-speed of revolution operating status, and rotor magnetic pole number is few when the generator amature being made to be in high revolving speed operating status.The generator amature reduces rotor magnetic pole number when being in high revolving speed operating status, and the ac frequency decline for promoting the stator winding for the stator component being used cooperatively with the generator amature to generate reduces stator core eddy-current loss, improves automobile generating engine efficiency.
Description
Technical field
The present invention is a kind of mixed excitation claw-pole formula pole-changing generator rotor, is related to a kind of generator amature, especially
It is related to a kind of mixed excitation claw-pole formula pole-changing generator rotor that can change magnetic pole number of poles applied to automotive field.
Background technique
General-utility car generator system is made of automobile current generator, silicon rectifier, voltage regulator three parts.General-utility car
Generator belongs to three-phase synchronous generator, and threephase stator winding is equipped on stator core, and rotor is divided into phase-wound rotor
With two kinds of structure types of permanent magnet rotor, magnet exciting coil and slip ring are installed on phase-wound rotor, are equipped on permanent magnet rotor
Permanent magnet, two kinds of rotors are all made of Lundell magnetic pole.Permanent magnet rotor is generally used for kart generator.Automobile current generator is fixed
The alternating current of sub- winding output is rectified into direct current by silicon rectifier.
Automobile current generator is driven by automobile engine, and fixed conveyor is equipped between automobile engine and automobile current generator
The transmission device of ratio, automobile generator rotor often rotate a circle, and every phase stator winding generates quantity week identical as rotor magnetic pole number
The AC electromotive force of phase.The revolving speed of automobile engine be not it is constant, petrol engine maximum speed is (i.e. idle with minimum speed
Speed) about eight times of difference, diesel engine maximum speed is differed with minimum speed (i.e. idling) also three times or more.
Total magnetic of generator output voltage and every phase stator winding circle, all magnetic poles of generator amature same pole polarity
Flux, output ac frequency are proportional.Export ac frequency and generator magnetic pole the number of poles, (power generation of generator amature revolving speed
Machine input speed) it is proportional.Generator amature revolving speed is uncontrollable, changes total magnetic flux by change rotor excitation current,
It is finally reached the purpose of regulator generator output voltage, which is realized by the voltage regulator of automobile current generator system.
Generator amature revolving speed increases, and makes to export ac frequency increase, and stator core eddy-current loss increases, and leads to stator
Iron core fever, automobile generating engine efficiency reduce.If the magnetic pole of the stator number of poles and rotor magnetic of automobile current generator can be changed simultaneously
Pole number of poles changes the magnetic pole of the stator number of poles and rotor magnetic of automobile current generator when generator amature is in high revolving speed operating status
Pole number of poles is low numerical value, then makes to export ac frequency decline, reduce stator core eddy-current loss, improve automobile current generator effect
Rate.
It is fixed that the three-phase distribution stator winding of automobile current generator can be changed by the mode of connection of change winding coil
Sub- magnetic pole number of poles.The existing generator amature using Lundell magnetic pole cannot change rotor magnetic pole number of poles.
Summary of the invention
The purpose of the present invention is overcoming the rotor speed increase of general-utility car generator to make to export ac frequency increase, lead
The shortcomings that causing stator core fever, automobile generating engine efficiency to reduce, automobile generator rotor magnetic pole pole can be changed by providing one kind
Several mixed excitation claw-pole formula pole-changing generator rotors, the rotor are used cooperatively with the stator component that can change magnetic pole number of poles,
Realizing reduces stator core eddy-current loss, improves automobile generating engine efficiency purpose.Embodiment of the present invention is as follows:
The generator amature includes shaft, rotor-exciting component, slide ring portion.Rotor-exciting component include magnetic shield,
Rotor core one, magnet exciting coil, coil rack, rotor core two, rotor core three, fixed sleeving, permanent magnet, rotor core
Four.Slide ring portion includes slip ring one, slip ring two, insulation sleeve, binding post one, insulation tube, binding post two.Slide ring portion, rotor are encouraged
Magnet assembly is sequentially arranged at shaft radial outside.
The permanent magnet of rotor-exciting component makes several three pole polarities of pawl pole of rotor core three and rotor core four
Several four pole polarities of pawl pole opposite pole each other, and in the generator amature operational process, pawl pole three and pawl pole
Four pole polarities are constant.
The magnet exciting coil of rotor-exciting component makes several one pole polarities of pawl pole and rotor core two of rotor core one
Several two pole polarities of pawl pole opposite pole each other, and in the generator amature operational process, according to the hair
The revolving speed of rotor changes simultaneously two pole polarity of pawl pole one and pawl pole, and the generator amature is made to be in slow-speed of revolution operation
Rotor magnetic pole number is more when state, and rotor magnetic pole number is few when the generator amature being made to be in high revolving speed operating status.Simultaneously make with
The stator magnet number of poles for the stator component that the generator amature is used cooperatively is identical as rotor magnetic pole number.At the generator amature
Rotor magnetic pole number is reduced when high revolving speed operating status, promotes the stator for the stator component being used cooperatively with the generator amature
The ac frequency decline that winding generates.
Shaft is cylindrical.Magnetic shield is cylindrical, is magnetic shield axis hole among magnetic shield axial end face, and magnetic shield is radial
It is positioning shaft shoulder among outside, positioning shaft shoulder both ends are shaft part one, shaft part two respectively.
Coil rack radial section is frame center hole among coil rack axial end face in a ring, and coil rack is radial
It is skeleton wire casing among outside, magnet exciting coil is mounted in the skeleton wire casing of coil rack, has two on coil rack axial end face
A line outlet groove.The both threads circle wiring of magnet exciting coil is passed through from the line outlet groove of coil rack.Coil rack, magnet exciting coil composition
Excitation winding component.
Permanent magnet axial cross section is fan-shaped, and permanent magnet axially magnetizes, several permanent magnets are along fixed sleeving radial direction
Inner surface is spliced into an annular, several permanent magnets and fixed sleeving form permanent magnet element.Fixed sleeving is non-magnetic material
Material.The pole polarity of the same axial end face of several permanent magnets is identical.
It is annular core one among rotor core one is axial, is iron core axis hole, one axis of annular core among annular core one
The radial outside of one end to the left is annular magnet yoke one, and one radial outside of annular magnet yoke is evenly equipped with several magnetic yoke magnet isolation tanks, phase
It is cylindricality magnetic yoke one between adjacent two magnetic yoke magnet isolation tanks, each one radial outside of cylindricality magnetic yoke has the pawl pole of a tile shape
One, one radial outside of cylindricality magnetic yoke of rotor core one and the radially inner side of the axial left side one end of pawl pole one link together.
It is annular core two among rotor core two is axial, is iron core axis hole, two axis of annular core among annular core two
The radial outside of one end is annular magnet yoke two to the right, and two radial outside of annular magnet yoke is evenly equipped with several magnetic yoke magnet isolation tanks, phase
It is cylindricality magnetic yoke two between adjacent two magnetic yoke magnet isolation tanks, each two radial outside of cylindricality magnetic yoke has the pawl pole of a tile shape
Two, two radial outside of cylindricality magnetic yoke of rotor core two and the radially inner side of pawl pole two link together, and are two axis of pawl pole
It links together to the radially inner side position of center running fix shaft shoulder axial length to the left with two radial outside of cylindricality magnetic yoke.
It is annular magnet yoke three among rotor core three is axial, is magnetic yoke axis hole, three diameter of annular magnet yoke among annular magnet yoke three
It is evenly equipped with several magnetic yoke magnet isolation tanks outward, is cylindricality magnetic yoke three, each cylindrical magnetic between two neighboring magnetic yoke magnet isolation tank
Three radial outside of yoke has the pawl pole three of a tile shape, the radial direction of cylindricality magnetic yoke three radial outsides and pawl pole three of rotor core three
Inside links together, and be three axial centre of pawl pole to the right the radially inner side position of running fix shaft shoulder axial length with
Three radial outside of cylindricality magnetic yoke links together.
It is annular magnet yoke four among rotor core four is axial, is magnetic yoke axis hole, four diameter of annular magnet yoke among annular magnet yoke four
It is evenly equipped with several magnetic yoke magnet isolation tanks outward, is cylindricality magnetic yoke four, each cylindrical magnetic between two neighboring magnetic yoke magnet isolation tank
Four radial outside of yoke has the pawl pole four of a tile shape, and four radial outside of cylindricality magnetic yoke and pawl pole four of rotor core four are axial right
The radially inner side of side one end links together.
For rotor-exciting component in assembly, one diameter of shaft part that the iron core axis hole of rotor core two is mounted on magnetic shield is outside
Side, and two right end face of annular magnet yoke of rotor core two and the positioning shaft shoulder left end face of magnetic shield is made to contact with each other.So
Excitation winding component is mounted between the annular core two of rotor core two and pawl pole two afterwards.The iron mandrel of rotor core one
Hole is mounted on one radial outside of shaft part of magnetic shield, and excitation winding component is made to be mounted on the annular core one and pawl of rotor core one
Between pole one.Keep one right end face of annular core of rotor core one and two left end face of annular core of rotor core two mutual
Contact.And so that the pawl pole one of rotor core one is mounted on the magnetic yoke magnet isolation tank radial outside of rotor core two, make rotor core
Two pawl pole two is mounted on the magnetic yoke magnet isolation tank radial outside of rotor core one.And make the pawl pole one of each rotor core one
Adjacent in circumferencial direction with the pawl pole two of rotor core two, pawl pole one and pawl pole two are separated by a pawl pole between magnetic in circumferencial direction
Stand-off distance from.
The magnetic yoke axis hole of rotor core three is mounted on two radial outside of shaft part of magnetic shield, and makes rotor core three
Three left end face of annular magnet yoke and the positioning shaft shoulder right end face of magnetic shield contact with each other.Then permanent magnet element is mounted on and is turned
Between the pawl pole three of sub- iron core three and the shaft part two of magnetic shield.The magnetic yoke axis hole of rotor core four is mounted on the shaft part of magnetic shield
Two radial outsides are mounted on permanent magnet element between the pawl pole four of rotor core four and the shaft part two of magnetic shield.Make rotor iron
Four left end face of annular magnet yoke of core four and several permanent magnet right end faces of permanent magnet element contact with each other, and make rotor core
Three three right end face of annular magnet yoke and several permanent magnet left end faces of permanent magnet element contact with each other.And make rotor iron
The pawl pole three of core three is mounted on the magnetic yoke magnet isolation tank radial outside of rotor core four, is mounted on the pawl pole four of rotor core four and turns
The magnetic yoke magnet isolation tank radial outside of sub- iron core three.And make the pawl pole three of each rotor core three and the pawl pole of rotor core four
Four is adjacent in circumferencial direction, and pawl pole three is separated by a pawl pole every magnetic gap distance in circumferencial direction with pawl pole four.
After rotor-exciting component assembling, the annular magnetic of annular magnet yoke two right end faces and rotor core three of rotor core two
Axial gap is shaft shoulder circumferencial direction gap between magnetic gap, the adjacent pawl pole of all rotor cores between three left end face of yoke
It is pawl pole radial clearance between magnetic gap, the pawl pole of each rotor core and the magnetic yoke magnet isolation tank of other rotor cores is slot
It is spaced magnetic gap.The magnetic yoke magnet isolation tank radial outside of each rotor core is separately installed with the pawl of three other rotor cores
Pole.Pawl pole one, pawl pole two, pawl pole three, pawl pole four are in rotor-exciting component radial outside along clockwise or counter-clockwise successively
Arrangement.
Binding post one is cylindrical.Binding post two is cylindrical.In a ring, insulation sleeve is cylindrical for insulation tube, insulation sleeve
It is insulation sleeve axis hole among axial end face.Slip ring two in a ring, two axial end face of slip ring have respectively a binding post fixation hole and
One insulation tube fixation hole, insulation tube are mounted in the insulation tube fixation hole of slip ring two, and one end of binding post two is mounted on slip ring
In two binding post fixation hole.In a ring, one axial end face of slip ring has a binding post fixation hole to slip ring one, and the one of binding post one
End is mounted in the binding post fixation hole of slip ring one, and one middle position of binding post is mounted in insulation tube.When slide ring portion assembles,
Slip ring one, slip ring two are sequentially arranged at insulation sleeve radial outside, have clearance for insulation between slip ring one, slip ring two.Binding post one,
Two other end of binding post is located at the axially external of slip ring two.
Shaft middle section is sequentially inserted into the insulation sleeve axis hole of insulation sleeve and every magnetic in assembly by the generator amature
In the magnetic shield axis hole of set, slide ring portion and rotor-exciting component is set to be sequentially arranged at shaft radial outside, and make excitation wire
The other end of the both threads circle wiring of circle respectively with binding post one and binding post two welds together.
The generator amature with can change the stator component fit applications of magnetic pole number of poles when automobile current generator, work
It is as process:
The generator amature be applied to octupole/quadrupole pole-changing automobile current generator, and be in the slow-speed of revolution operating status when,
Permanent magnet makes two three radially-outer surfaces of pawl pole of rotor core three that the pole S pole polarity be presented, and permanent magnet makes rotor core four
The pole N pole polarity is presented in two four radially-outer surfaces of pawl pole.At the same time, magnet exciting coil forward direction connects DC power supply, excitation wire
Circle makes two one radially-outer surfaces of pawl pole of rotor core one that the pole s pole polarity be presented, and magnet exciting coil makes the two of rotor core two
The pole n pole polarity is presented in a two radially-outer surface of pawl pole.Opposite pole each other is presented in two pawl pole radially-outer surfaces of arbitrary neighborhood
Polarity, pawl pole one, pawl pole two, pawl pole three, pawl pole four form eight rotor magnetic poles altogether.
The generator amature be applied to octupole/quadrupole pole-changing automobile current generator, and be in high revolving speed operating status when,
Permanent magnet makes two three radially-outer surfaces of pawl pole of rotor core three that the pole S pole polarity be presented, and permanent magnet makes rotor core four
The pole N pole polarity is presented in two four radially-outer surfaces of pawl pole.At the same time, magnet exciting coil reversely connects DC power supply, excitation wire
Circle makes two one radially-outer surfaces of pawl pole of rotor core one that the pole n pole polarity be presented, and magnet exciting coil makes the two of rotor core two
The pole s pole polarity is presented in a two radially-outer surface of pawl pole.Adjacent pawl pole one and pawl pole four form the pole a N rotor magnetic pole, adjacent
Pawl pole two and pawl pole three form the pole a S rotor magnetic pole, and pawl pole one, pawl pole two, pawl pole three, pawl pole four form four rotor magnetic altogether
Pole.
When the generator amature is applied to pole-changing automobile current generator, permanent magnet makes several pawl poles three and four magnetic pole of pawl pole
Polarity opposite pole each other, and in the generator amature operational process, pawl pole three and four pole polarity of pawl pole are constant.It encourages
Magnetic coil makes several pawl poles one and two pole polarity of pawl pole opposite pole each other, and in the generator amature operational process
In, according to the revolving speed of the generator amature, two pole polarity of pawl pole one and pawl pole is changed simultaneously, is made at the generator amature
Rotor magnetic pole number is more when slow-speed of revolution operating status, rotor magnetic pole number when the generator amature being made to be in high revolving speed operating status
It is few.The generator amature reduces rotor magnetic pole number when being in high revolving speed operating status, promotes to cooperate with the generator amature
The ac frequency decline that the stator winding of the stator component used generates, reduces stator core eddy-current loss, improves automobile hair
Electric efficiency.
Detailed description of the invention
Fig. 1 is the axonometric drawing of the generator amature.
Fig. 2 is the isometric cutaway view of the generator amature.
Fig. 3 is the axonometric drawing of slide ring portion.
Fig. 4 is the axonometric drawing of rotor-exciting component.
Fig. 5 is the axonometric drawing of magnetic shield.
Fig. 6 is the axonometric drawing of rotor core one.
Fig. 7 is the axonometric drawing of rotor core two.
Fig. 8 is the axonometric drawing of rotor core three.
Fig. 9 is the axonometric drawing of rotor core four.
Figure 10 is the axonometric drawing of excitation winding component.
Figure 11 is the axonometric drawing of permanent magnet element.
Figure 12 is the schematic diagram of the generator amature axial direction cutting.
Figure 13 is the generator rotor field distribution schematic diagram.Magnetic pole of the stator is octupole.
Figure 14 is the generator rotor field distribution schematic diagram.Magnetic pole of the stator is quadrupole.
Capital N and S represent the pole polarity of permanent magnet element in Figure of description.Lowercase n and behalf excitation
The pole polarity of coil assembly.
Shaft 1, slip ring 1, slip ring 23, magnetic shield 4, rotor core 1, magnet exciting coil 6, coil bone are labeled in figure
Frame 7, rotor core 28, slot interval magnetic gap 9, the shaft shoulder every magnetic gap 10, insulation sleeve 11, binding post 1, insulation tube 13, turn
Sub- iron core 3 14, fixed sleeving 15, permanent magnet 16, rotor core 4 17, cylindricality magnetic yoke 1, magnetic yoke magnet isolation tank 19, annular iron
Core 1, annular magnet yoke 1, iron core axis hole 22, magnetic shield axis hole 23, shaft part 1, positioning shaft shoulder 25, shaft part 2 26, pawl pole
One 27, pawl pole 2 28, pawl pole 3 29, pawl pole 4 30, frame center hole 31, line outlet groove 32, pawl pole are every magnetic gap 33, binding post two
34, magnetic yoke axis hole 35, annular core 2 36, annular magnet yoke 2 37, cylindricality magnetic yoke 2 38, annular magnet yoke 3 39, cylindricality magnetic yoke three
40, annular magnet yoke 4 41, cylindricality magnetic yoke 4 42.
Specific embodiment
The present invention is further discussed below with reference to the accompanying drawing.
Referring to Fig.1, Fig. 2, the generator amature include shaft 1, rotor-exciting component, slide ring portion.Rotor-exciting portion
Part includes magnetic shield 4, rotor core 1, magnet exciting coil 6, coil rack 7, rotor core 28, rotor core 3 14, fixing sleeve
Pipe 15, permanent magnet 16, rotor core 4 17.Slide ring portion include slip ring 1, slip ring 23, insulation sleeve 11, binding post 1, absolutely
Edge pipe 13, binding post 2 34.Slide ring portion, rotor-exciting component are sequentially arranged at 1 radial outside of shaft.
The permanent magnet 16 of rotor-exciting component makes several 3 29 pole polarities of pawl pole and rotor iron of rotor core 3 14
Several 4 30 pole polarities of pawl pole of core 4 17 opposite pole each other, and in the generator amature operational process, pawl
Pole 3 29 and 4 30 pole polarity of pawl pole are constant.
The magnet exciting coil 6 of rotor-exciting component makes several one 27 pole polarities of pawl pole and rotor iron of rotor core 1
Several 2 28 pole polarities of pawl pole of core 28 opposite pole each other, and in the generator amature operational process, according to
The revolving speed of the generator amature changes simultaneously 2 28 pole polarity of pawl pole 1 and pawl pole, is in the generator amature
Rotor magnetic pole number is more when slow-speed of revolution operating status, rotor magnetic pole number when the generator amature being made to be in high revolving speed operating status
It is few.Make simultaneously and the stator magnet number of poles of stator component that the generator amature is used cooperatively is identical as rotor magnetic pole number.It is described
Generator amature reduces rotor magnetic pole number when being in high revolving speed operating status, promotes to determine with what the generator amature was used cooperatively
The ac frequency decline that the stator winding of subassembly generates.
Referring to figs. 1 to Figure 11, shaft 1 is cylindrical.Magnetic shield 4 is cylindrical, is every magnetic among 4 axial end face of magnetic shield
Axis hole 23 is covered, is positioning shaft shoulder 25 among 4 radial outside of magnetic shield, 25 both ends of positioning shaft shoulder are shaft part 1, shaft part two respectively
26。
7 radial section of coil rack is frame center hole 31, coil rack 7 among 7 axial end face of coil rack in a ring
It is skeleton wire casing among radial outside, magnet exciting coil 6 is mounted in the skeleton wire casing of coil rack 7,7 axial end face of coil rack
It is upper that there are two line outlet grooves 32.The both threads circle wiring of magnet exciting coil 6 is passed through from the line outlet groove 32 of coil rack 7.Coil rack
7, magnet exciting coil 6 forms excitation winding component.
16 axial cross section of permanent magnet is fan-shaped, and permanent magnet 16 axially magnetizes, several permanent magnets 16 are along fixing sleeve
15 inner radial surface of pipe is spliced into an annular, several permanent magnets 16 and fixed sleeving 15 form permanent magnet element.Fixing sleeve
Pipe 15 is non-magnet material.The pole polarity of several same axial end faces of permanent magnet 16 is identical.
It is annular core 1 among rotor core 1 is axial, is iron core axis hole 22, annular iron among annular core 1
The radial outside of the axial left side one end of core 1 is annular magnet yoke 1, and one 21 radial outside of annular magnet yoke is evenly equipped with several magnetic
Yoke magnet isolation tank 19 is cylindricality magnetic yoke 1 between two neighboring magnetic yoke magnet isolation tank 19, each one 18 radial outside of cylindricality magnetic yoke
There are the pawl pole 1 of a tile shape, the axial left side one of one 18 radial outside of cylindricality magnetic yoke and pawl pole 1 of rotor core 1
The radially inner side at end links together.
It is annular core 2 36 among rotor core 28 is axial, is iron core axis hole 22, annular iron among annular core 2 36
The radial outside of the axial right side one end of core 2 36 is annular magnet yoke 2 37, and 2 37 radial outside of annular magnet yoke is evenly equipped with several magnetic
Yoke magnet isolation tank 19 is cylindricality magnetic yoke 2 38 between two neighboring magnetic yoke magnet isolation tank 19, each 2 38 radial outside of cylindricality magnetic yoke
There are the pawl pole 2 28 of a tile shape, the radially inner side of cylindricality magnetic yoke 2 38 radial outside and pawl pole 2 28 of rotor core 28
Link together, and be 2 28 axial centre of the pawl pole radially inner side position of 25 axial length of the running fix shaft shoulder to the left with
2 38 radial outside of cylindricality magnetic yoke links together.
It is annular magnet yoke 3 39 among rotor core 3 14 is axial, is magnetic yoke axis hole 35 among annular magnet yoke 3 39, annular
3 39 radial outside of magnetic yoke is evenly equipped with several magnetic yoke magnet isolation tanks 19, is cylindricality magnetic yoke three between two neighboring magnetic yoke magnet isolation tank 19
40, each 3 40 radial outside of cylindricality magnetic yoke has the pawl pole 3 29 of a tile shape, the cylindricality magnetic yoke three of rotor core 3 14
40 radial outsides and the radially inner side of pawl pole 3 29 link together, and are the running fix to the right of 3 29 axial centre of pawl pole
The radially inner side position of 25 axial length of the shaft shoulder links together with 3 40 radial outside of cylindricality magnetic yoke.
It is annular magnet yoke 4 41 among rotor core 4 17 is axial, is magnetic yoke axis hole 35 among annular magnet yoke 4 41, annular
4 41 radial outside of magnetic yoke is evenly equipped with several magnetic yoke magnet isolation tanks 19, is cylindricality magnetic yoke four between two neighboring magnetic yoke magnet isolation tank 19
42, each 4 42 radial outside of cylindricality magnetic yoke has the pawl pole 4 30 of a tile shape, the cylindricality magnetic yoke four of rotor core 4 17
42 radial outsides and the radially inner side of the axial right side one end of pawl pole 4 30 link together.
Rotor-exciting component is mounted on the iron core axis hole 22 of rotor core 28 shaft part 1 of magnetic shield 4 in assembly
Radial outside, and make 2 37 right end face of annular magnet yoke of rotor core 28 and 25 left end face of positioning shaft shoulder of magnetic shield 4
It contacts with each other.Then excitation winding component is mounted between the annular core 2 36 of rotor core 28 and pawl pole 2 28.Turn
The iron core axis hole 22 of sub- iron core 1 is mounted on one 24 radial outside of shaft part of magnetic shield 4, and excitation winding component is made to be mounted on rotor
Between the annular core 1 and pawl pole 1 of iron core 1.Make one 20 right end face of annular core and rotor of rotor core 1
2 36 left end face of annular core of iron core 28 contacts with each other.And the pawl pole 1 of rotor core 1 is made to be mounted on rotor iron
19 radial outside of magnetic yoke magnet isolation tank of core 28, make the pawl pole 2 28 of rotor core 28 be mounted on the magnetic yoke of rotor core 1 every
19 radial outside of magnetic slot.And the pawl pole 1 for making each rotor core 1 and the pawl pole 2 28 of rotor core 28 are in circumference
Direction is adjacent, and pawl pole 1 is separated by a pawl pole every 33 distance of magnetic gap in circumferencial direction with pawl pole 2 28.
The magnetic yoke axis hole 35 of rotor core 3 14 is mounted on 2 26 radial outside of shaft part of magnetic shield 4, and makes rotor
3 39 left end face of annular magnet yoke of iron core 3 14 contacts with each other with 25 right end face of positioning shaft shoulder of magnetic shield 4.Then forever
Magnet assembly is mounted between the pawl pole 3 29 of rotor core 3 14 and the shaft part 2 26 of magnetic shield 4.Rotor core 4 17
Magnetic yoke axis hole 35 is mounted on 2 26 radial outside of shaft part of magnetic shield 4, and permanent magnet element is made to be mounted on the pawl of rotor core 4 17
Between pole 4 30 and the shaft part 2 26 of magnetic shield 4.Make 4 41 left end face of annular magnet yoke and the permanent magnet portion of rotor core 4 17
Several 16 right end faces of permanent magnet of part contact with each other, and make 3 39 right end face of annular magnet yoke and permanent magnetism of rotor core 3 14
Several 16 left end faces of permanent magnet of body component contact with each other.And the pawl pole 3 29 of rotor core 3 14 is made to be mounted on rotor
19 radial outside of magnetic yoke magnet isolation tank of iron core 4 17, makes the pawl pole 4 30 of rotor core 4 17 be mounted on the magnetic of rotor core 3 14
19 radial outside of yoke magnet isolation tank.And make the pawl pole 3 29 of each rotor core 3 14 and the pawl pole 4 30 of rotor core 4 17
Adjacent in circumferencial direction, pawl pole 3 29 is separated by a pawl pole every 33 distance of magnetic gap in circumferencial direction with pawl pole 4 30.
After rotor-exciting component assembling, 2 37 right end face of annular magnet yoke and the rotor core 3 14 of rotor core 28
Axial gap is shaft shoulder circle between magnetic gap 10, the adjacent pawl pole of all rotor cores between 3 39 left end face of annular magnet yoke
Circumferential direction gap is pawl pole every magnetic gap 33, the magnetic yoke magnet isolation tanks 19 of the pawl pole of each rotor core and other rotor cores it
Between radial clearance be slot interval magnetic gap 9.19 radial outside of magnetic yoke magnet isolation tank of each rotor core is separately installed with three
The pawl pole of other rotor cores.Pawl pole 1, pawl pole 2 28, pawl pole 3 29, pawl pole 4 30 are in rotor-exciting component radial outside
Along being arranged successively clockwise or counter-clockwise.
Binding post 1 is cylindrical.Binding post 2 34 is cylindrical.In a ring, insulation sleeve 11 is in cylinder to insulation tube 13
Shape is insulation sleeve axis hole among 11 axial end face of insulation sleeve.In a ring, 23 axial end face of slip ring has one to connect to slip ring 23 respectively
Terminal fixation hole and an insulation tube fixation hole, insulation tube 13 are mounted in the insulation tube fixation hole of slip ring 23, binding post 2 34
One end be mounted in the binding post fixation hole of slip ring 23.In a ring, one 2 axial end face of slip ring has a binding post to slip ring 1
Fixation hole, one end of binding post 1 are mounted in the binding post fixation hole of slip ring 1, and one 12 middle position of binding post is mounted on
In insulation tube 13.When slide ring portion assembles, slip ring 1, slip ring 23 are sequentially arranged at 11 radial outside of insulation sleeve, slip ring one
2, there is clearance for insulation between slip ring 23.Binding post 1,2 34 other end of binding post are located at the axially external of slip ring 23.
The generator amature assembly when, 1 middle section of shaft be sequentially inserted into insulation sleeve 11 insulation sleeve axis hole and
In the magnetic shield axis hole 23 of magnetic shield 4, slide ring portion and rotor-exciting component is made to be sequentially arranged at 1 radial outside of shaft, and
Weld together the other end of the both threads circle wiring of magnet exciting coil 6 respectively with binding post 1 and binding post 2 34.
Referring to Fig.1, to Figure 14, the generator amature cooperates with the stator component that can change magnetic pole number of poles by Fig. 2, Figure 12
When applied to automobile current generator, the course of work is:
The generator amature be applied to octupole/quadrupole pole-changing automobile current generator, and be in the slow-speed of revolution operating status when,
Permanent magnet 16 makes two 3 29 radially-outer surfaces of pawl pole of rotor core 3 14 that the pole S pole polarity be presented, and permanent magnet 16 makes rotor
The pole N pole polarity is presented in two 4 30 radially-outer surfaces of pawl pole of iron core 4 17.At the same time, magnet exciting coil 6 is positive connects directly
Galvanic electricity source, magnet exciting coil 6 make two one 27 radially-outer surfaces of pawl pole of rotor core 1 that the pole s pole polarity, magnet exciting coil be presented
6 make two 2 28 radially-outer surfaces of pawl pole of rotor core 28 that the pole n pole polarity be presented.Two pawl pole diameters of arbitrary neighborhood are outside
Opposite pole polarity, pawl pole 1, pawl pole 2 28, pawl pole 3 29, pawl pole 4 30 form eight rotor magnetic altogether each other for surface presentation
Pole.
The generator amature be applied to octupole/quadrupole pole-changing automobile current generator, and be in high revolving speed operating status when,
Permanent magnet 16 makes two 3 29 radially-outer surfaces of pawl pole of rotor core 3 14 that the pole S pole polarity be presented, and permanent magnet 16 makes rotor
The pole N pole polarity is presented in two 4 30 radially-outer surfaces of pawl pole of iron core 4 17.At the same time, magnet exciting coil 6 is reversely connected straight
Galvanic electricity source, magnet exciting coil 6 make two one 27 radially-outer surfaces of pawl pole of rotor core 1 that the pole n pole polarity, magnet exciting coil be presented
6 make two 2 28 radially-outer surfaces of pawl pole of rotor core 28 that the pole s pole polarity be presented.Adjacent pawl pole 1 and pawl pole 4 30
The pole a N rotor magnetic pole is formed, adjacent pawl pole 2 28 and pawl pole 3 29 form the pole a S rotor magnetic pole, pawl pole 1, pawl pole two
28, pawl pole 3 29, pawl pole 4 30 form four rotor magnetic poles altogether.
When the generator amature is applied to pole-changing automobile current generator, permanent magnet 16 makes several pawl poles 3 29 and pawl pole four
30 pole polarities opposite pole each other, and in the generator amature operational process, 4 30 magnetic pole of pawl pole 3 29 and pawl pole
Polarity is constant.Magnet exciting coil 6 makes several pawl poles 1 and 2 28 pole polarity of pawl pole opposite pole each other, and in the hair
In rotor operational process, according to the revolving speed of the generator amature, 2 28 magnetic pole pole of pawl pole 1 and pawl pole is changed simultaneously
Property, rotor magnetic pole number is more when the generator amature being made to be in slow-speed of revolution operating status, so that the generator amature is in high and turns
Rotor magnetic pole number is few when fast operating status.The generator amature reduces rotor magnetic pole number when being in high revolving speed operating status, promotees
The ac frequency decline for generating the stator winding for the stator component being used cooperatively with the generator amature, reduces stator iron
Core eddy-current loss improves automobile generating engine efficiency.
Claims (2)
1. a kind of mixed excitation claw-pole formula pole-changing generator rotor, it is characterised in that the generator amature includes shaft (1), turns
Sub- exciting part, slide ring portion；Rotor-exciting component includes magnetic shield (4), rotor core one (5), magnet exciting coil (6), coil
Skeleton (7), rotor core two (8), rotor core three (14), fixed sleeving (15), permanent magnet (16), rotor core four (17)；
Slide ring portion includes slip ring one (2), slip ring two (3), insulation sleeve (11), binding post one (12), insulation tube (13), binding post two
(34)；Slide ring portion, rotor-exciting component are sequentially arranged at shaft (1) radial outside；
The permanent magnet (16) of rotor-exciting component makes several pawl pole three (29) pole polarities and rotor of rotor core three (14)
Several pawl pole four (30) pole polarities of iron core four (17) opposite pole each other, and in the generator amature operational process
In, pawl pole three (29) and pawl pole four (30) pole polarity are constant；
The magnet exciting coil (6) of rotor-exciting component makes several pawl pole one (27) pole polarities and rotor of rotor core one (5)
Several pawl pole two (28) pole polarities of iron core two (8) opposite pole each other, and in the generator amature operational process
In, according to the revolving speed of the generator amature, pawl pole one (27) and pawl pole two (28) pole polarity are changed simultaneously, the power generation is made
Rotor magnetic pole number is more when machine rotor is in slow-speed of revolution operating status, turns when the generator amature being made to be in high revolving speed operating status
Sub- number of magnetic poles is few；Make the stator magnet number of poles and rotor magnetic pole number phase of the stator component being used cooperatively with the generator amature simultaneously
Together；The generator amature reduces rotor magnetic pole number when being in high revolving speed operating status, promotes to cooperate with the generator amature
The ac frequency decline that the stator winding of the stator component used generates；
Shaft (1) is cylindrical；Magnetic shield (4) is cylindrical, is magnetic shield axis hole (23) among magnetic shield (4) axial end face,
It is positioning shaft shoulder (25) among magnetic shield (4) radial outside, positioning shaft shoulder (25) both ends are shaft part one (24), shaft part two respectively
(26)；
Coil rack (7) radial section is frame center hole (31), coil bone among coil rack (7) axial end face in a ring
It is skeleton wire casing among frame (7) radial outside, magnet exciting coil (6) is mounted in the skeleton wire casing of coil rack (7), coil rack
(7) there are two line outlet groove (32) on axial end face；Line outlet groove of the both threads circle wiring of magnet exciting coil (6) from coil rack (7)
(32) it is passed through in；Coil rack (7), magnet exciting coil (6) form excitation winding component；
Permanent magnet (16) axial cross section is fan-shaped, and permanent magnet (16) axially magnetizes, several permanent magnets (16) are along fixation
Casing (15) inner radial surface is spliced into an annular, several permanent magnets (16) and fixed sleeving (15) form permanent magnet portion
Part；Fixed sleeving (15) is non-magnet material；The pole polarity of several permanent magnet (16) same axial end faces is identical；
It is annular core one (20) among rotor core one (5) is axial, it is iron core axis hole (22), ring that annular core one (20) is intermediate
The radial outside of the axial left side one end of shape iron core one (20) is annular magnet yoke one (21), and annular magnet yoke one (21) radial outside is uniformly distributed
There are several magnetic yoke magnet isolation tanks (19), is cylindricality magnetic yoke one (18), each cylindricality between two neighboring magnetic yoke magnet isolation tank (19)
Magnetic yoke one (18) radial outside has the pawl pole one (27) of a tile shape, and the cylindricality magnetic yoke one (18) of rotor core one (5) is radial
The radially inner side in outside and the axial left side one end of pawl pole one (27) links together；
It is annular core two (36) among rotor core two (8) is axial, it is iron core axis hole (22), ring that annular core two (36) is intermediate
The radial outside of the axial right side one end of shape iron core two (36) is annular magnet yoke two (37), and annular magnet yoke two (37) radial outside is uniformly distributed
There are several magnetic yoke magnet isolation tanks (19), is cylindricality magnetic yoke two (38), each cylindricality between two neighboring magnetic yoke magnet isolation tank (19)
Magnetic yoke two (38) radial outside has the pawl pole two (28) of a tile shape, and the cylindricality magnetic yoke two (38) of rotor core two (8) is radial
Outside and the radially inner side of pawl pole two (28) link together, and are pawl pole two (28) axial centre running fix axis to the left
The radially inner side position of shoulder (25) axial length links together with cylindricality magnetic yoke two (38) radial outside；
It is annular magnet yoke three (39) among rotor core three (14) is axial, it is magnetic yoke axis hole (35) that annular magnet yoke three (39) is intermediate,
Annular magnet yoke three (39) radial outside is evenly equipped with several magnetic yoke magnet isolation tanks (19), is between two neighboring magnetic yoke magnet isolation tank (19)
Cylindricality magnetic yoke three (40), each cylindricality magnetic yoke three (40) radial outside have the pawl pole three (29) of a tile shape, rotor core
Cylindricality magnetic yoke three (40) radial outside of three (14) and the radially inner side of pawl pole three (29) link together, and are pawl poles three
(29) the radially inner side position of the running fix shaft shoulder (25) axial length and cylindricality magnetic yoke three (40) are radial to the right for axial centre
Outside links together；
It is annular magnet yoke four (41) among rotor core four (17) is axial, it is magnetic yoke axis hole (35) that annular magnet yoke four (41) is intermediate,
Annular magnet yoke four (41) radial outside is evenly equipped with several magnetic yoke magnet isolation tanks (19), is between two neighboring magnetic yoke magnet isolation tank (19)
Cylindricality magnetic yoke four (42), each cylindricality magnetic yoke four (42) radial outside have the pawl pole four (30) of a tile shape, rotor core
Cylindricality magnetic yoke four (42) radial outside of four (17) and the radially inner side of the axial right side one end of pawl pole four (30) link together；
Rotor-exciting component is mounted on the iron core axis hole (22) of rotor core two (8) shaft part one of magnetic shield (4) in assembly
(24) radial outside, and make annular magnet yoke two (37) right end face of rotor core two (8) and the positioning shaft shoulder of magnetic shield (4)
(25) left end face contacts with each other；Then excitation winding component be mounted on the annular core two (36) of rotor core two (8) with
Between pawl pole two (28)；Shaft part one (24) diameter that the iron core axis hole (22) of rotor core one (5) is mounted on magnetic shield (4) is outside
Side is mounted on excitation winding component between the annular core one (20) of rotor core one (5) and pawl pole one (27)；Make rotor iron
Annular core two (36) left end face phase mutual connection of annular core one (20) right end face of core one (5) and rotor core two (8)
Touching；And magnetic yoke magnet isolation tank (19) diameter for making the pawl pole one (27) of rotor core one (5) be mounted on rotor core two (8) is outside
Side makes the pawl pole two (28) of rotor core two (8) be mounted on magnetic yoke magnet isolation tank (19) radial outside of rotor core one (5)；And
And keep the pawl pole one (27) of each rotor core one (5) adjacent in circumferencial direction with the pawl pole two (28) of rotor core two (8),
Pawl pole one (27) is separated by a pawl pole every magnetic gap (33) distance in circumferencial direction with pawl pole two (28)；
The magnetic yoke axis hole (35) of rotor core three (14) is mounted on shaft part two (26) radial outside of magnetic shield (4), and made
Positioning shaft shoulder (25) right end face phase mutual connection of annular magnet yoke three (39) left end face of rotor core three (14) and magnetic shield (4)
Touching；Then permanent magnet element be mounted on rotor core three (14) pawl pole three (29) and magnetic shield (4) shaft part two (26) it
Between；The magnetic yoke axis hole (35) of rotor core four (17) is mounted on shaft part two (26) radial outside of magnetic shield (4), makes permanent magnet
Component is mounted between the pawl pole four (30) of rotor core four (17) and the shaft part two (26) of magnetic shield (4)；Make rotor core four
(17) several permanent magnet (16) right end faces of annular magnet yoke four (41) left end face and permanent magnet element contact with each other, and make
Annular magnet yoke three (39) right end face of rotor core three (14) and several permanent magnet (16) left end faces of permanent magnet element
It contacts with each other；And the pawl pole three (29) of rotor core three (14) is made to be mounted on the magnetic yoke magnet isolation tank (19) of rotor core four (17)
Radial outside, the magnetic yoke magnet isolation tank (19) for making the pawl pole four (30) of rotor core four (17) be mounted on rotor core three (14) are radial
Outside；And the pawl pole three (29) for making each rotor core three (14) and the pawl pole four (30) of rotor core four (17) are in circumference
Direction is adjacent, and pawl pole three (29) is separated by a pawl pole every magnetic gap (33) distance in circumferencial direction with pawl pole four (30)；
After rotor-exciting component assembling, annular magnet yoke two (37) right end face and rotor core three (14) of rotor core two (8)
Annular magnet yoke three (39) left end face between axial gap be the shaft shoulder every magnetic gap (10), the adjacent pawl pole of all rotor cores
Between circumferencial direction gap be pawl pole every magnetic gap (33), the magnetic yokes of the pawl pole of each rotor core and other rotor cores every
Radial clearance is slot interval magnetic gap (9) between magnetic slot (19)；Magnetic yoke magnet isolation tank (19) radial outside of each rotor core
It is separately installed with the pawl pole of three other rotor cores；Pawl pole one (27), pawl pole two (28), pawl pole three (29), pawl pole four (30)
In rotor-exciting component radial outside along being arranged successively clockwise or counter-clockwise；
Binding post one (12) is cylindrical；Binding post two (34) is cylindrical；In a ring, insulation sleeve (11) is in circle for insulation tube (13)
Tubular is insulation sleeve axis hole among insulation sleeve (11) axial end face；Slip ring two (3) in a ring, distinguish by slip ring two (3) axial end face
There are a binding post fixation hole and an insulation tube fixation hole, insulation tube (13) is mounted on the insulation tube fixation hole of slip ring two (3)
In, one end of binding post two (34) is mounted in the binding post fixation hole of slip ring two (3)；Slip ring one (2) in a ring, slip ring one
(2) axial end face has a binding post fixation hole, and one end of binding post one (12) is mounted on the binding post fixation hole of slip ring one (2)
In, binding post one (12) middle position is mounted in insulation tube (13)；When slide ring portion assembles, slip ring one (2), slip ring two
(3) it is sequentially arranged at insulation sleeve (11) radial outside, has clearance for insulation between slip ring one (2), slip ring two (3)；Binding post one
(12), binding post two (34) other end is located at the axially external of slip ring two (3)；
The generator amature assembly when, shaft (1) middle section be sequentially inserted into insulation sleeve (11) insulation sleeve axis hole and
In the magnetic shield axis hole (23) of magnetic shield (4), slide ring portion and rotor-exciting component is set to be sequentially arranged at shaft (1) diameter outside
Side, and weld the both threads circle wiring of magnet exciting coil (6) with the other end of binding post one (12) and binding post two (34) respectively
It is connected together.
2. a kind of mixed excitation claw-pole formula pole-changing generator rotor according to claim 1, it is characterised in that the power generation
Machine rotor with can change the stator component fit applications of magnetic pole number of poles when automobile current generator, the course of work is:
The generator amature be applied to octupole/quadrupole pole-changing automobile current generator, and be in the slow-speed of revolution operating status when, permanent magnetism
Body (16) makes two pawl pole three (29) radially-outer surfaces of rotor core three (14) that the pole S pole polarity be presented, and permanent magnet (16) makes
The pole N pole polarity is presented in two pawl pole four (30) radially-outer surfaces of rotor core four (17)；At the same time, magnet exciting coil (6)
Forward direction connects DC power supply, and magnet exciting coil (6) makes two pawl pole one (27) radially-outer surfaces of rotor core one (5) that the pole s be presented
Pole polarity, magnet exciting coil (6) make two pawl pole two (28) radially-outer surfaces of rotor core two (8) that the pole n pole polarity be presented；
Opposite pole polarity each other, pawl pole one (27), pawl pole two (28), pawl pole three is presented in two pawl pole radially-outer surfaces of arbitrary neighborhood
(29), pawl pole four (30) forms eight rotor magnetic poles altogether；
The generator amature be applied to octupole/quadrupole pole-changing automobile current generator, and be in high revolving speed operating status when, permanent magnetism
Body (16) makes two pawl pole three (29) radially-outer surfaces of rotor core three (14) that the pole S pole polarity be presented, and permanent magnet (16) makes
The pole N pole polarity is presented in two pawl pole four (30) radially-outer surfaces of rotor core four (17)；At the same time, magnet exciting coil (6)
Reversed to connect DC power supply, magnet exciting coil (6) makes two pawl pole one (27) radially-outer surfaces of rotor core one (5) that the pole n be presented
Pole polarity, magnet exciting coil (6) make two pawl pole two (28) radially-outer surfaces of rotor core two (8) that the pole s pole polarity be presented；
Adjacent pawl pole one (27) and pawl pole four (30) form the pole a N rotor magnetic pole, adjacent pawl pole two (28) and pawl pole three (29) composition
One pole S rotor magnetic pole, pawl pole one (27), pawl pole two (28), pawl pole three (29), pawl pole four (30) form four rotor magnetic altogether
Pole.
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| CN201810430035.7A CN108521183B (en) | 2018-05-08 | 2018-05-08 | Mixed excitation claw-pole formula pole-changing generator rotor |
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| JP2015046966A (en) * | 2013-08-27 | 2015-03-12 | 日本電産トーソク株式会社 | Stepping motor |
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| US5552651A (en) * | 1995-07-03 | 1996-09-03 | General Motors Corporation | Alternating current generator |
| US5892313A (en) * | 1996-10-04 | 1999-04-06 | Ford Motor Company | Rotating electrical machine with permanent magnet inserts |
| US6437477B1 (en) * | 2000-08-28 | 2002-08-20 | Delphi Technologies, Inc. | Hybrid electrical machine with axial flux magnet |
| CN2506017Y (en) * | 2001-01-15 | 2002-08-14 | 胡元德 | Mixed magnetic path motor having independent magnetic return circuit |
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