CN207638522U - Double-stator structure two-phase doubly salient permanent magnet motor - Google Patents
Double-stator structure two-phase doubly salient permanent magnet motor Download PDFInfo
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- CN207638522U CN207638522U CN201721636037.9U CN201721636037U CN207638522U CN 207638522 U CN207638522 U CN 207638522U CN 201721636037 U CN201721636037 U CN 201721636037U CN 207638522 U CN207638522 U CN 207638522U
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- 238000004804 winding Methods 0.000 claims abstract description 57
- 239000000696 magnetic material Substances 0.000 claims description 3
- 230000005291 magnetic effect Effects 0.000 abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 230000010349 pulsation Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 230000005284 excitation Effects 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model discloses a double-phase biconvex utmost point permanent-magnet machine of two stator structures, the technical problem that solve is: the motor system aims at the defects of large torque pulsation, large voltage fluctuation, high energy consumption and the like of the existing motor system in the background art. The technical scheme is as follows: a double-stator-structure two-phase doubly salient permanent magnet motor comprises a stator A, a stator B, a stator salient pole A, a stator salient pole B, an armature winding A, an armature winding B, a rotor A, a rotor B, a permanent magnet ring and a rotating shaft. Stator A salient pole, stator B salient pole radial evenly distributed in the stator circumference, stator A salient pole go up around armature winding A, stator B salient pole go up around armature winding B, from stator tip along the axial, stator A staggers 45 with stator B. The permanent magnet ring is nested between the stator A and the stator B, and the permanent magnet ring is axially magnetized. The rotor A and the rotor B are consistent in structure and are sleeved on the rotating shaft. The utility model has the advantages of small magnetic circuit homopolar iron loss, large power density and high efficiency.
Description
Technical field
The utility model is related to a kind of motor, specifically a kind of double-stator structure two-phase doubly salient permanent magnet motor belongs to electricity
Machine technical field.
Background technology
Double salient-pole electric machine is a kind of new structural motor being suggested the 1950s, into the nineties after obtain people
Extensive concern and further investigation, have the advantages that firm, easily manufactured, reliable operation simple in structure, easy to maintain,
Wind-power electricity generation occasion has good application prospect.
Double salient-pole electric machine belongs to variable reluctance motor, and variable reluctance motor includes two kinds of unilateral salient pole and bilateral salient pole, in order to obtain
Maximum magnetic resistance maxima and minima ratio, and preferably energy converting between mechanical characteristic are obtained, double salient-pole electric machine, which receives, to be ground
Study carefully the more pro-gazes of personnel.Typical variable reluctance motor being differed using magnetic resistance, magnetic flux always into the small Route Set of magnetic resistance, as
When electric motor operation, the stator winding of energization attracts ferromagnetic rotor with magnetic force, and magnetic force is made to generate tangential component, i.e. generation pair
The torque of rotor.Corresponding to the rotor-position that the power-up sequence of stator is detected according to position sensor most beneficial for rotor
That phase stator for generating rotational torque forward is powered, and rotor is turned after turning over certain angle by next generated most beneficial for rotor
One phase of square is powered.Control system constantly changes the energization phase sequence of stator winding, and rotor is made persistently to be rotated to a direction.
Variable reluctance motor contains switched reluctance machines, stepper motor and double salient-pole electric machine, and double salient-pole electric machine includes
Doubly salient permanent magnet motor, electric excitation biconvex electrode electric machine, flux-reversal double salient-pole electric machine and flux switching double-salient motor.Switch
Reluctance motor (SRM) is different from stepper motor, it is a kind of motor synchronizing motor having position feedback, rotating speed by motor driving
What torque and the moment of resistance of load codetermined.Stepper motor is open loop work, and rotating speed is determined by pulse frequency.Switch magnetic
Resistance motor there is simple rotor structure, rotor to be pressed by silicon steel sheet stack, there is no coil and magnet steel on rotor, be suitble to high temperature with
And work under high rotating speed, it has obtained aircraft electric field and has gone all out to study, but switched reluctance machines are matched with power inverter always
Close work so that its power generation operation becomes complicated and less reliable.
The drawbacks of to avoid switched reluctance machines, causes incipient fault, scientific research personnel to be mounted on permanent magnet and open at work
It closes in reluctance motor structure, forms doubly salient permanent magnet motor (DSPM).It is double when the rotor length of pole arc meets certain relationship
Total air-gap permeance of salient-pole machine is steady state value, and Operating Point of Permanent Magnet will not change with the rotation of rotor at this time, therefore biconvex
Pole motor does not have location torque when static, and the interlinkage flux on double salient-pole electric machine winding is only directly proportional to magnetic conductance.Double-salient-pole electricity
High-coercive force, the permanent magnet of low magnetic permeability are mounted in the stator of machine, therefore the magnetic resistance of double salient-pole electric machine magnetic circuit is big, winding inductance
It is smaller, enable current commutation that can be rapidly completed.In addition, when double salient-pole electric machine is as work, magnetic linkage and magnetic that armature-reaction generates
Kinetic potential is far smaller than the magnetic linkage and magnetomotive force of permanent magnet generation, therefore synthesizes magnetic linkage and mainly determined by permanent magnet.Switching magnetic-resistance electricity
The armature-reaction of machine is determined that winding current is much larger than doubly salient permanent magnet motor, therefore bisalient-pole permanent-magnet is electric by armature supply completely
Machine generates less heat and noise when working.
Invention content
Technical problem to be solved in the utility model is：Current electric system mentioned in the background art is generally deposited
Big in torque pulsation, voltage fluctuation is big, the disadvantage of high energy consumption etc..
The purpose of this utility model is to propose a kind of high efficiency, the bimorph transducer two-phase double-salient-pole two-phase induction motor of structure novel.
In order to solve the above technical problems, the technical scheme adopted by the utility model is that：
A kind of double-stator structure two-phase doubly salient permanent magnet motor, including coaxial mounted annular shape stator A and annular shape are determined
Sub- B is fitted into permanent-magnetic clamp between circular stator A and circular stator B, and the magnetizing direction of permanent-magnetic clamp is axial charging；
Four stator A salient poles, four stator A salient poles are arranged in evagination along its length on the inner ring surface of circular stator A
Be uniformly arranged, four stator A salient poles be equal in length and the length of four stator A salient poles is respectively less than the length of circular stator A
Degree；Two armature winding A being wound on four stator A salient poles in armature winding A, four armature winding A separately are positive
Concatenation, is reversely connected in series to form a phase with another two armature winding A again later；
Four stator B salient poles, four stator B salient poles are arranged in evagination along its length on the inner ring surface of circular stator B
Be uniformly arranged, four stator B salient poles be equal in length and the length of four stator B salient poles is respectively less than the length of circular stator B
Degree；Two armature winding B being wound on four stator B salient poles in armature winding B, four armature winding B separately are positive
Concatenation reversely concatenates again with another two armature winding B constitute a phase later；
One phase of the phase that four armature winding A are constituted and four armature winding B compositions, the phase difference between this two-phase are
90 ° of electrical angles；
Four stator A salient poles in circular stator A are staggered 45 ° with four stator B salient poles in circular stator B；
Circular rotor A is set in circular stator A, the evagination along its length on the outer ring surface of circular rotor A
Setting six rotor with salient pole A, six rotor with salient pole A are uniformly arranged, and the length of six rotor with salient pole A is with circular stator A's
Equal length and with the equal length of stator A salient poles；
Circular rotor B is set in circular stator B, the evagination along its length on the outer ring surface of circular rotor B
Setting six rotor with salient pole B, six rotor with salient pole B are uniformly arranged, and the length of six rotor with salient pole B is with circular stator B's
Equal length and with the equal length of stator B salient poles；
Rotor A is installed in rotor B in shaft.
The utility model magneto, the permanent-magnetic clamp of axial charging is embedded among circular stator A, circular stator B
Position provides excitation field for motor；Armature winding A, armature winding B are around in stator A salient poles, on stator B salient poles respectively, motor
Power load is connect when doing generator operation, motor connects power supply when doing electric operation.
The utility model magneto, in four armature winding A, the series connection of two winding forward directions separately again with another two
A two winding reverse phases phase in series, in four armature winding B, two winding forward directions series connection separately again with two adjacent windings
A reverse phase phase in series, entire motor amount to two phase windings.The two winding forward direction strings referred in technical solutions of the utility model
Connection and the series connection of two winding reverse phases are routine techniques in the art in the prior art.
The utility model magneto, in an axial direction from stator end, stator A and stator B is staggered 45 °, when an electricity
When machine rotor salient pole is aligned entirely with stator salient poles, another rotor salient pole is in half aligned position with stator salient poles.
The section of improvement to technical solutions of the utility model, four stator A salient poles and four stator B salient poles is square.
The design of this technical characteristic is convenient for coiling.
Improvement to technical solutions of the utility model, the rectangular cross-section of four stator A salient poles and four stator B salient poles.
The design of this technical characteristic is for uniform coiling and coiling is convenient.
Improvement to technical solutions of the utility model, shaft are made of soft magnetic materials.
Advantageous effect
The advantageous effect of the utility model compared with prior art：
1, the utility model double-stator structure two-phase doubly salient permanent magnet motor establishes excitation field using permanent magnet, can drop
Low copper wastage improves electric efficiency.
2, the utility model double-stator structure two-phase doubly salient permanent magnet motor, using same polarity structure, motor has relatively low
Iron loss.
3, the utility model double-stator structure two-phase doubly salient permanent magnet motor reduces torque pulsation using double-stator structure,
Voltage fluctuation.
4, the utility model double-stator structure two-phase doubly salient permanent magnet motor has magnetic circuit same polarity iron loss small, and power is close
Degree is big, efficient advantage.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of stator A.
Fig. 3 is the structural schematic diagram of stator B.
Fig. 4 is the structural schematic diagram of armature winding A.
Fig. 5 is the structural schematic diagram of rotor A.
Fig. 6 is the southwestern normal axomometric drawing (not illustrating shaft in figure) of the utility model.
Fig. 7 is the northeast normal axomometric drawing (not illustrating shaft in figure) of the utility model.
Specific implementation mode
To keep the content of the utility model more obvious and easy to understand, below in conjunction with attached drawing 1- Fig. 7 and specific implementation mode do into
The description of one step.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
As shown in Figure 1, the double-stator structure two-phase doubly salient permanent magnet motor of the utility model, including coaxial mounted annulus
Shape stator A1 and circular stator B3 is fitted into permanent-magnetic clamp 6 between circular stator A1 and circular stator B3, permanent-magnetic clamp 6
Magnetizing direction is axial charging.
The permanent-magnetic clamp 6 of axial charging is embedded in circular stator A1, the annular shape centre positions stator B3, and excitation is provided for motor
Magnetic field；Armature winding A2, armature winding B4 are around in stator A salient poles, on stator B salient poles respectively, and motor connects use when doing generator operation
Electric load, motor connect power supply when doing electric operation.
As shown in Figures 2 and 4, four stator A salient poles are arranged in evagination along its length on the inner ring surface of circular stator A1
1-1, four stator A salient poles 1-1 are uniformly arranged, four stator A salient poles 1-1 be equal in length and four stator A salient poles 1-1
Length is respectively less than the length of circular stator A1；Be wound with armature winding A2 on four stator A salient poles 1-1, four armatures around
Two armature winding A2 forward directions concatenation in group A2 separately, is reversely connected in series to form one with another two armature winding A2 again later
Phase.
As shown in figure 3, four stator B salient pole 3-1 are arranged in evagination along its length on the inner ring surface of circular stator B3,
Four stator B salient poles 3-1 are uniformly arranged, four stator B salient poles 3-1 be equal in length and the length of four stator B salient poles 3-1
The length of respectively less than circular stator B3；Armature winding B4, four armature winding B4 are wound on four stator B salient poles 3-1
In separately two armature winding B4 forward directions concatenation, later again with another two armature winding B4 reversely concatenate composition one phase.
One phase of the phase that four armature winding A2 are constituted and four armature winding B4 compositions, the phase difference between this two-phase
For 90 ° of electrical angles.
As shown in Figures 2 and 3, the rectangular cross-section of four stator A salient poles 1-1 and four stator B salient poles 3-1.
As described in figures 1 and 5, circular rotor A 5 is set in circular stator A1, in the outer ring surface of circular rotor A 5
On along its length evagination six rotor with salient pole A5-1 are set, six rotor with salient pole A5-1 are uniformly arranged, six rotor with salient pole A5-
1 length with the equal length of circular stator A1 and with the equal length of stator A salient poles 1-1.
As described in figures 1 and 5, circular rotor B is set in circular stator B3, on the outer ring surface of circular rotor B
Six rotor with salient pole B are arranged in evagination along its length, and six rotor with salient pole B are uniformly arranged, the length of six rotor with salient pole B with
The equal length of circular stator B3 and with the equal length of stator B salient poles 3-1.
Rotor A 5 and rotor B is installed in shaft 7.Shaft 7 is made of soft magnetic materials.
The magnetic Circuit Design of the utility model magneto：
The magnetic line of force by path be respectively the poles permanent-magnetic clamp N, stator A, stator A salient poles, air gap, rotor A, shaft, rotor
B, air gap, stator B salient poles, stator B, the poles permanent-magnetic clamp S.As shown in Figures 6 and 7, synchronization, different visual angles observable stator A with
The position relationship of stator B.
The operation principle of the utility model magneto：
When the utility model is run as generator, prime mover drives shaft and rotor A to be rotated with rotor B, due to rotor
A, on rotor B salient pole presence, when rotor A, rotor B rotation can lead to the magnetic flux size of armature winding A, armature winding B
It changes, to induce electromotive force in armature winding A, armature winding B, size and the rotor of induced electromotive force turn
Speed is related.
When the utility model is as motor running, according to rotor present position, by armature winding A, armature winding B structures
At two phase windings in be passed through electric current forward or backwards, you can generate torque, the phase of biphase current differs 90 °.
The parts not involved in the utility model is communicated with the prior art or is realized using the prior art.
Be not specifically noted in all the utility model specifications be the prior art or can by existing technology
It realizes, it should be appreciated that for those of ordinary skills, it can be modified or changed according to the above description, and
All these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (4)
1. a kind of double-stator structure two-phase doubly salient permanent magnet motor, it is characterised in that：Including coaxial mounted circular stator A
(1) and annular shape stator B (3) permanent-magnetic clamp (6), permanent-magnetic clamp, are fitted between circular stator A (1) and annular shape stator B (3)
(6) magnetizing direction is axial charging；
Four stator A salient poles (1-1), four stator A are arranged in evagination along its length on the inner ring surface of circular stator A (1)
Salient pole (1-1) is uniformly arranged, four stator A salient poles (1-1) be equal in length and the length of four stator A salient poles (1-1) is equal
Less than the length of circular stator A (1)；Be wound with armature winding A (2) on four stator A salient poles (1-1), four armatures around
The positive concatenation of two armature winding A (2) in group A (2) separately, later again with another two armature winding A (2) differential concatenation structure
Cheng Yixiang；
Four stator B salient poles (3-1), four stator B are arranged in evagination along its length on the inner ring surface of circular stator B (3)
Salient pole (3-1) is uniformly arranged, four stator B salient poles (3-1) be equal in length and the length of four stator B salient poles (3-1) is equal
Less than the length of circular stator B (3)；Be wound with armature winding B (4) on four stator B salient poles (3-1), four armatures around
The positive concatenation of two armature winding B (4) in group B (4) separately, reversely concatenates structure with another two armature winding B (4) again later
Cheng Yixiang；
The phase that is constituted with four armature winding B (4) of a phase that four armature winding A (2) are constituted, the phase difference between this two-phase
For 90 ° of electrical angles；
Four stator A salient poles (1-1) in circular stator A (1) and four stator B salient poles (3- in annular shape stator B (3)
1) it is staggered 45 °；
The circular rotor A (5) of setting in circular stator A (1), on the outer ring surface of circular rotor A (5) along its length
Six rotor with salient pole A (5-1) are arranged in evagination, and six rotor with salient pole A (5-1) are uniformly arranged, the length of six rotor with salient pole A (5-1)
Degree with the equal length of circular stator A (1) and with the equal length of stator A salient poles (1-1)；
The circular rotor B of setting in circular stator B (3), evagination is set along its length on the outer ring surface of circular rotor B
Set six rotor with salient pole B, six rotor with salient pole B are uniformly arranged, the length of six rotor with salient pole B with circular stator B (3)
Equal length and with the equal length of stator B salient poles (3-1)；
Rotor A (5) is installed in rotor B in shaft (7).
2. double-stator structure two-phase doubly salient permanent magnet motor as described in claim 1, it is characterised in that：Four stator A salient poles
It is square with the section of four stator B salient poles (3-1).
3. double-stator structure two-phase doubly salient permanent magnet motor as described in claim 1, it is characterised in that：Four stator A salient poles
With the rectangular cross-section of four stator B salient poles (3-1).
4. double-stator structure two-phase doubly salient permanent magnet motor as described in claim 1, it is characterised in that：Shaft (7) is using soft
Magnetic material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636037.9U CN207638522U (en) | 2017-11-30 | 2017-11-30 | Double-stator structure two-phase doubly salient permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636037.9U CN207638522U (en) | 2017-11-30 | 2017-11-30 | Double-stator structure two-phase doubly salient permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207638522U true CN207638522U (en) | 2018-07-20 |
Family
ID=62855081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721636037.9U Expired - Fee Related CN207638522U (en) | 2017-11-30 | 2017-11-30 | Double-stator structure two-phase doubly salient permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207638522U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063532A (en) * | 2017-11-30 | 2018-05-22 | 南京工业大学 | Double-stator structure two-phase doubly salient permanent magnet motor |
| CN110518765A (en) * | 2019-08-30 | 2019-11-29 | 沈阳工业大学 | A kind of claw type stator yoke insertion permanent magnet auxiliary birotor axial direction double salient-pole electric machine |
-
2017
- 2017-11-30 CN CN201721636037.9U patent/CN207638522U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063532A (en) * | 2017-11-30 | 2018-05-22 | 南京工业大学 | Double-stator structure two-phase doubly salient permanent magnet motor |
| CN110518765A (en) * | 2019-08-30 | 2019-11-29 | 沈阳工业大学 | A kind of claw type stator yoke insertion permanent magnet auxiliary birotor axial direction double salient-pole electric machine |
| CN110518765B (en) * | 2019-08-30 | 2021-08-24 | 沈阳工业大学 | Claw-shaped stator yoke part embedded permanent magnet auxiliary double-rotor axial double-salient-pole motor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180720 Termination date: 20201130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |