CN206237280U - A kind of disk type switch magnetoresistance electrical machinery for reducing torque ripple - Google Patents
A kind of disk type switch magnetoresistance electrical machinery for reducing torque ripple Download PDFInfo
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- CN206237280U CN206237280U CN201621389073.5U CN201621389073U CN206237280U CN 206237280 U CN206237280 U CN 206237280U CN 201621389073 U CN201621389073 U CN 201621389073U CN 206237280 U CN206237280 U CN 206237280U
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Abstract
The utility model discloses a kind of disk type switch magnetoresistance electrical machinery for reducing torque ripple.So that by the order of outer ring to inner ring, the rotor magnetic pole number on the xth circle on stator magnet number of poles and rotor on xth circle on stator meets following relation on each stator of motor：One, Sx=(Tx/ W) × j, wherein, SxIt is the rotor magnetic pole number on the xth circle on rotor, TxFor the stator magnet number of poles on the xth circle on stator and be even number, W is the power supply number of phases, and j is positive integer；Two, it is ensured that the rotor magnetic pole number on xth circle on rotor<The stator magnet number of poles on xth circle on stator.Stator coil on same circle is powered using same power supply, and the stator coil on different circle is powered using different power supplys and the power supply phase of stator coil between wherein two circles has certain initial phase angular difference Δ T.The utility model effectively reduces the output torque fluctuation of Synthetic motor by designing initial phase angular difference Δ T.
Description
Technical field
The utility model is related to a kind of motor, more particularly to a kind of disk type switch magnetoresistance electrical machinery for reducing torque ripple.
Background technology
Switched reluctance machines are a kind of new bunchers, and the governing system where it can have direct current, two classes of exchange concurrently and adjust
The advantage of speed system, is the latest generation stepless time adjustment system after frequency conversion speed-adjusting system, Speed Regulating System of Brushless DC Motor.Adjust
Speed system simple structure is firm, and speed-regulating range width, speed adjusting performance is excellent, and all has greater efficiency in whole speed adjustable range,
System reliability is high.Current governing system is main by switched reluctance machines, power inverter, controller and position detector four
It is grouped into.Control circuit comprising power inverter in controller, and rotor position detector is then arranged on switched reluctance machines
One end.
Switched reluctance motor (SRM) is the part that energy converting between mechanical is realized in SRD, is also that SRD is different from other electricity
The outstanding feature of motivation drive system.SRM systems double-salient-pole variable reluctance motor, the salient pole of its stator and rotor is main by common
Silicon steel plate stacking is formed.Rotor both without winding or without permanent magnet, was wound with concentratred winding in stator poles, two windings diametrically
Link up, referred to as " phase ", SR motor can be designed to various different phase table structures, and the number of poles of stator and rotor has various
Different collocation.The number of phases is more, step angle is small, advantageously reduces torque pulsation, but complex structure, and main switching device is more, cost
Height, now using it is more be four phases (8/6) structure and three-phase (12/8) structure.
Existing switched reluctance machines possess following characteristics：1. pillar typically is made, shape is identical with squirrel cage motor；2. exist
In the case of needing big torque, large inertia, if still realized with pillar motor, bigger motor volume is needed；3. use
Disk type switch magnetoresistance electrical machinery realization, then can obtain bigger output torque and inertia in the range of same volume；4. disc type is opened
Close reluctance motor and be more suitably applied to the occasion that blower fan, water pump, oil pumper etc. need torque greatly, back and forth to run.
However, the weak point of existing disk type switch magnetoresistance electrical machinery：
1. torque ripple be present：The torque curve of output is not flat enough, be disk type switch magnetoresistance electrical machinery Main Bottleneck it
One；Since phase is powered, obtain torque capacity, with the rotation of rotor, the tangential force obtained by flux change by
Gradual change is small, and the arm of force is constant, and torque is tapered into, until torque is decreased to 0, the power-off of this phase；While moment, next phase energization
And obtain torque capacity；Go round and begin again, therefore the output torque of reluctance motor is fluctuation, this is disk type switch magnetoresistance electrical machinery
The two of Main Bottleneck；
2. wiring is complicated：Switched reluctance machines each stator coils has two connector lugs of one-in-and-one-out, if stator number
It is N, just there is 2N connector lug, how to design a rational terminal block, simplifies and connecting stator coil and control in an orderly manner
Device lead-out terminal processed, is another target of the design of switched reluctance machines；
3. single motor is difficult to further obtain bigger output torque：In the situation that the volume of motor is not dramatically increased
Under, traditional design philosophy is difficult to obtain bigger output torque；
4. controller complexity is bulky：The controller output number of phases of switched reluctance machines can be 2,3,4 phases, even more
Many, the number of phases is more, and the quantity of controller switches element is more, and controller is more complicated, volume is bigger.
In addition, being output as the use habit that 3 mutually electric controllers more meet operator, how to be driven using 3 phase Switching Power Supplies
Dynamic switched reluctance machines, and it is one of design object to obtain bigger torque, smaller torque ripple.
Utility model content
The technical problem of the torque ripple existed for existing disk type switch magnetoresistance electrical machinery, the utility model provides one kind
Reduce the disk type switch magnetoresistance electrical machinery of torque ripple.
The utility model concrete technical scheme is as follows：A kind of disk type switch magnetoresistance electrical machinery for reducing torque ripple, it includes
Two stators, the rotor between two stators, by two stators and the bearing of the coaxial connection of rotor；Pacify on each stator
Equipped with multiple stator coils, a magnetic pole of the stator is installed on each stator coil, multiple rotor magnetic poles are installed on rotor；It is many
Individual stator coil with the axis of stator as the center of circle is evenly distributed in corresponding stator towards the side of rotor on, and surround at least two
The concentric ring structure of circle；Rotor magnetic pole is evenly distributed in rotor by the center of circle of the axis of rotor, also surrounds at least two circles
Concentric ring structure；The two ends of each rotor magnetic pole penetrate the opposite sides of rotor, so as to the shape that surrounds can with both sides stator on
The shape that surrounds of multiple stator coils it is corresponding；With by the order of outer ring to inner ring, the magnetic pole of the stator on xth circle on stator
The rotor magnetic pole number on xth circle on number and rotor meets following relation：One, Sx=(Tx/ W) × j, wherein, SxFor on rotor
Rotor magnetic pole number on xth circle, TxFor the stator magnet number of poles on the xth circle on stator and be even number, W is the power supply number of phases, and j is for just
Integer；Two, it is ensured that the rotor magnetic pole number on xth circle on rotor<The stator magnet number of poles on xth circle on stator；On same circle
Stator coil powered using same power supply, and the stator coil on different circle is powered and wherein two circles using different power supplys
Between the power supply phase of stator coil there is certain initial phase angular difference Δ T.
Used as the further improvement of such scheme, the rotor magnetic pole of outmost turns is uniformly looped around the circumference of rotor on rotor
On.
Used as the further improvement of such scheme, these stator coils on same circle are successively one with W quantity
Group, is divided into Tx/ W group sets of stator coils, every group of sets of stator coils connects the different phases of power supply successively respectively；These stator coils are along fixed
One diameter of son is centrosymmetric distribution, and same two magnetic pole of the stator diametrically form common diameter magnetic pole as driving accordingly
A pair of couples of rotor rotation.
Further, the disk type switch magnetoresistance electrical machinery is made to produce (Tx/ W)/2 pairs of couples, these on same circle
Stator coil power cycles order be：Ai_Ai′、Bi_Bi′、Ci_Ci' ..., wherein, A, B, C ... represent power supply respectively
Specific power supply phase, i is 1,2 ... ..., (Tx/W)/2。
Further, the power cycles that the different stator coils by selection on same circle are constituted sequentially, are realized driving
Move the couple pair that the disk type switch magnetoresistance electrical machinery continuously rotates.
Used as the further improvement of such scheme, disk type switch magnetoresistance electrical machinery also includes some axial multistage series components,
Each axial multistage series component includes that two newly-increased stators, newly-increased one between two newly-increased stators turn
Son；Some axial multistage series components form axial multistage string by bearing with two original stators, an original rotor
The structure of connection：Stator+rotor+stator+stator+rotor+stator+....
Used as the further improvement of such scheme, the disk type switch magnetoresistance electrical machinery also includes multiple ring connection terminal discs,
The central area of each stator is coaxial to install a ring connection terminal disc；Each ring connection terminal disc includes multiple multilayer knots
The insulated terminal row of structure, the profile of each terminal block encloses terminal block in fan ring to piece together circularize one, thus forms a ring
Shape connection terminal disk；At least two conducting strips being electrically connected are set on every Rotating fields of each terminal block, and are located at
Conducting strip mutually insulated on different Rotating fields.
Further, the width of each terminal block successively successively decreases, and there is a conducting strip at every layer of two ends respectively, makes corresponding
Terminal block can see every layer of conducting strip at two ends in front projection.
Further, in front projection, the conducting strip that same terminal block appears along ring connection terminal disc diameter
Direction is in one line.
Further, in same ring connection terminal disc, the divided ownership terminal block successively in units of the number of phases of power supply
It is some groups, makes each every group of one of terminal block of terminal block group that be connected of power supply.
The utility model is often enclosed and powered using single power supply terminal using the magnetic pole arrangement of multiple concentric circle, Ke Yitong
Cross between power supply and there is rational phase angle, the output torque effectively to reduce synthesis fluctuates.
Brief description of the drawings
Fig. 1 is the structural representation of the disk type switch magnetoresistance electrical machinery of the utility model embodiment 1.
Fig. 2 is the structural representation of stator in Fig. 1.
Fig. 3 is the structural representation of rotor in Fig. 1.
Fig. 4 a, Fig. 4 b, Fig. 4 c, Fig. 4 d are that the energization course of work state of disk type switch magnetoresistance electrical machinery of the present utility model becomes
Change figure.
Fig. 5 is the structural representation of the disk type switch magnetoresistance electrical machinery of the utility model embodiment 2.
Fig. 6 is the structural representation of the disk type switch magnetoresistance electrical machinery of the utility model embodiment 3.
Fig. 7 a are output torque schematic diagram when rotor is emulated in Fig. 6.
Fig. 7 b are another output torque schematic diagram when rotor is emulated in Fig. 6.
Fig. 7 c are output torque schematic diagram of the disk type switch magnetoresistance electrical machinery of the utility model embodiment 5 in emulation.
Fig. 8 is the structural representation of the disk type switch magnetoresistance electrical machinery of the utility model embodiment 6.
Fig. 9 is the stator and ring connection terminal disc wiring diagram of the disk type switch magnetoresistance electrical machinery of the utility model embodiment 7.
Figure 10 is the structure chart of annular connection terminal disk in Fig. 9.
Figure 11 is the part-structure figure of annular connection terminal disk in Figure 10.
Figure 12 is the dimensional structure diagram of one of binding post in Figure 11.
Figure 13 is the top view of Figure 12.
Figure 14 is the ring connection schematic diagram of annular connection terminal disk wiring in Figure 10.
Figure 15 is the equivalent circuit diagram of annular connection terminal disk wiring in Figure 10.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model, is not used to limit the utility model.
Embodiment 1
Disk type switch magnetoresistance electrical machinery of the present utility model can be accomplished on the basis of the double-stator structure of stator+rotor+stator
Improve output torque.On Design of Mechanical Structure, each phase in stator is uniformly multiple couples in circumferencial direction, electric
Threephase switch power supply is utilized in structure design, powers to multiple stator coils using the method for simultaneously alliance power transmission and distribution.
As shown in figure 1, the disk type switch magnetoresistance electrical machinery of the present embodiment includes two stators 1 (referring to Fig. 2), a rotors
2 (referring to Fig. 3), a bearing 6.Rotor 2 is located between two stators 1, and passes through the coaxial connection of bearing 6 with two stators 1.
Multiple stator coils 4 are installed on each stator 1, a magnetic pole of the stator 3 is installed on each stator coil 4, pacify on rotor 2
Equipped with multiple rotor magnetic poles 5.
The utility model is in the design of mechanical structure：Multiple stator coils 4 are uniformly divided with the axis of stator 1 as the center of circle
In corresponding stator 1 towards on the side of rotor 2, multiple stator coils 4 surround an at least circle to cloth.Rotor magnetic pole 5 is with the axle of rotor 2
Line is evenly distributed in rotor 2 for the center of circle, and multiple rotor magnetic poles 5 also surround an at least circle.Wear at the two ends of each rotor magnetic pole 5
The opposite sides of saturating rotor 2, so that the shape for surrounding can be relative with the shape that the multiple stator coils 4 on both sides stator 1 are surrounded
Should.When the number of turns that multiple stator coils 4 are surrounded is two circles and the above, it is laid out in the form of concentric turns, when multiple rotor magnetic poles 5
When the number of turns for surrounding is two circles and the above, also it is laid out in the form of concentric turns.
With by the order of outer ring to inner ring, on the xth circle on stator magnet number of poles and rotor 2 on xth circle on stator 1
Rotor magnetic pole number meets following relation：One, Sx=(Tx/ W) × j, wherein, SxIt is the rotor magnetic pole number on the xth circle on rotor 2,
TxFor the stator magnet number of poles on the xth circle on stator 1 and be even number, W is the power supply number of phases, and j is positive integer；Two, it is ensured that on rotor 2
Xth circle on rotor magnetic pole number<The stator magnet number of poles on xth circle on stator 1.
In the present embodiment, in each stator 1 towards on the side of rotor 2, the axis one being provided with around stator 1 is enclosed and
Several stator coils 4 of even distribution, install a magnetic pole of the stator 3 on each stator coil 4；And installed on the circumference of rotor 2
The axis one having around rotor 2 is enclosed and equally distributed several rotor magnetic poles 5.That is, multiple stator coils 4 are with stator 1
Axis general layout is evenly distributed in corresponding stator 1 towards on the side of rotor 2 for the center of circle and in a ring, rotor magnetic pole 5 is uniform
It is looped around on the circumference of rotor 2.
Wherein, very it is crucial a bit, stator magnet number of poles and rotor magnetic pole number need to meet following relation：1.S=(T/W) ×
J, wherein, S is rotor magnetic pole number, and T is stator magnet number of poles, and W is the power supply number of phases, and such as W=3 characterizes the power supply number of phases of three phase mains, j
=positive integer, such as 1,2,3 ...；2. rotor magnetic pole number to be ensured<Stator magnet number of poles.Meet the rotor magnetic pole number of such condition
With stator magnet number of poles, it is possible to ensure that a phase power supply is powered, multipair couple can be produced.
In addition, the energization sequential of three-phase is also very crucial, is needed before this in the disk type switch magnetoresistance electrical machinery
Electrically structure be designed：These stator coils 4 on same circle are successively one group with W quantity, are divided into Tx/W
Group sets of stator coils, every group of sets of stator coils connects the different phases of power supply successively respectively；These stator coils 4 with stator 1 wherein
One a diameter of boundary is axisymmetricly laid out, and same two magnetic pole of the stator 3 diametrically form diameter magnetic pole altogether and driven as a pair
The couple of the dynamic rotation of respective rotor 2.
There are 48 i.e. 48 stator coils 4 of magnetic pole of the stator 3 with each stator 1, and rotor 2 has 32 rotor magnetic poles 5, three-phase is opened
Powered-down source A, B, C carry out that explanation is developed in details as a example by powering.
Referring to Fig. 2, in stator 1 towards on the side of rotor 2, its circumferencial direction is evenly distributed with around stator 1
Axis one is enclosed and equally distributed several stator coils 4, and a magnetic pole of the stator 3 is installed on each stator coil 4.These stators
The wiring rule of coil 4 and three-phase is according to following design：A1、B1、C1, A2、B2、C2... ..., A8、B8、C8, A1′、B1′、C1',
A2′、B2′、C2' ... ..., A8 ', B8 ', C8 '.
That is, 48 stator coils 4 are successively one group with 3 quantity, it is divided into 16 groups of sets of stator coils, every group is determined
Subcoil group connects A, B, C three-phase successively respectively, and 16 groups of sets of stator coils are divided into two pieces of stator coil regions, i.e., following stator
The magnetic pole of the stator 3 of coil 4 is a stator coil region：A1、B1、C1, A2、B2、C2... ..., A8、B8、C8, and following stator line
The magnetic pole of the stator 3 of circle 4 is another stator coil region：A1′、B1′、C1', A2′、B2′、C2' ... ..., A8 ', B8 ', C8 '.Its
In, be diameter magnetic pole altogether positioned at same two magnetic pole of the stator 3 diametrically of stator 1, such as, diameter magnetic pole A and A ' be (such as altogether
A1And A1', A2And A2' ... ..., A8And A8'), B and B ' (such as B1And B1', B2And B2' ... ..., B8And B8'), C and C ' (such as C1With
C1', C2And C2' ... ..., C8And C8′).Diameter magnetic pole is equal in magnitude in the tangential force of circumferencial direction altogether, in the opposite direction, composition one
Couple to driving the rotation of rotor 2.
For the disk type switch magnetoresistance electrical machinery of three phase supply, the present embodiment has 48/3/2=8 couple per phase power supply.Mark
It is designated as：Ai_Ai′、Bi_Bi′、Ci_Ci', i=1~8, as shown in Figure 2.That is, if A phases are powered, B phases are powered off with C phases,
Then all A1~A8, A1'~A8' while being powered, A phase moments produce 8 pairs of couples；If B phases are powered, A phases are powered off with C phases, then institute
There is B1~B8, B1'~B8' while being powered, B phase moments produce 8 pairs of couples；If C phases are powered, A phases are powered off with B phases, then all C1
~C8, C1'~C8' while being powered, C phase moments produce 8 pairs of couples.Energization A is circulated in the following sequencei_Ai′、Bi_Bi′、Ci_
Ci', it is 8 pairs of couples per the output torque being mutually powered, output torque is very huge.
Therefore, for the disk type switch magnetoresistance electrical machinery produces (Tx/ W)/2 pairs of couples, these stators on same circle
Coil 4 power cycles order be：Ai_Ai′、Bi_Bi′、Ci_Ci' ..., wherein, A, B, C ... represent the tool of power supply respectively
Body power supply phase, i is 1,2 ... ..., (Tx/W)/2。
Sequentially, realizing should for the power cycles that can also be made up of the different stator coils (4) chosen on same circle
Disk type switch magnetoresistance electrical machinery produces the logarithm of couple.Selection needs the couple logarithm for producing, such as, circulate in the following sequence logical
Electric A1_A1′、B1_B1′、C1_C1′、A2_A2′、B2_B2′、C2_C2′、……、A8_A8′、B8_B8′、C8_C8', it is defeated per what is be mutually powered
Go out torque for 1 pair of couple.Couple per phase power supply is more, and output torque is bigger, and this is the defeated of raising disk type switch magnetoresistance electrical machinery
Go out one of method of torque, solve disk type switch magnetoresistance electrical machinery for many years output torque cannot breakthrough bottleneck technology it is difficult
Topic.
Therefore, for the disk type switch magnetoresistance electrical machinery of three phase supply, M=is single-phase can to design stator magnet number of poles/3/2=integers
Couple logarithm.The power even-even of each phase power supply of the present embodiment is 8, i.e., 8 pairs couples.As shown in Fig. 2 cross-interleaved is uniform.A
When being mutually powered, whole Ai_Ai' be all powered, then A phases power off B phases and are powered, whole Bi_Bi' be all powered, the like.
Rotor magnetic pole number is with stator magnet number of poles closer to step angle is smaller, the precision of the individual pulse of switched reluctance machines
It is higher.By taking example motor as an example, example motor stator number of magnetic poles 48, rotor magnetic pole number 32, when number of rotor magnetic poles two two
When ground reduces, the Changing Pattern of step angle is as shown in table 1.
Table 1
| Stator magnet number of poles | Stator phase angle ° | Rotor magnetic pole number | Rotor phase angle ° | Step angle ° |
| 48 | 7.5 | 46 | 7.82608695 | 0.32608695 |
| 48 | 7.5 | 44 | 8.18181819 | 0.68181819 |
| 48 | 7.5 | 42 | 8.57142857 | 1.07142857 |
| 48 | 7.5 | 40 | 9 | 1.5 |
| 48 | 7.5 | 38 | 9.47368421 | 1.97368421 |
| 48 | 7.5 | 36 | 10 | 2.5 |
| 48 | 7.5 | 34 | 10.58823529 | 3.08823529 |
| 48 | 7.5 | 32 | 11.25 | 3.75 |
| 48 | 7.5 | 30 | 12 | 4.5 |
| 48 | 7.5 | 28 | 12.85714285 | 5.35714285 |
| 48 | 7.5 | 26 | 13.84615384 | 6.34615384 |
| 48 | 7.5 | 24 | 15 | 7.5 |
| 48 | 7.5 | 22 | 16.36363636 | 8.86363636 |
| 48 | 7.5 | 20 | 18 | 10.5 |
| 48 | 7.5 | 18 | 20 | 12.5 |
| 48 | 7.5 | 16 | 22.5 | 15 |
Wherein, step angle be disk type switch magnetoresistance electrical machinery stator in a certain phase magnetic pole since energization to power-off,
The angle that rotor is turned over.Step angle=rotor phase angle-stator phase angle, rotor phase angle=360/ rotor magnetic pole number is fixed
Sub- phase angle=360/ stator magnet number of poles.
In table 1, only in the case of rotor magnetic pole number=32 and 16, formula S=(T/W) × j is met, can produce 8
To couple.In the case of other, it is also possible to be manufactured into disc type reluctance motor, but continuous power will not be produced between stator and rotor
Couple, therefore the torque of motor output is small, loses use value.
Also referring to Fig. 4 a, Fig. 4 b, Fig. 4 c, Fig. 4 d, in order to clearly see that disc type of the present utility model is opened
The energization course of work of reluctance motor is closed, the stator coil of the scale smaller of rotor 2 to one of stator 1 in this four figures
Within the annulus of 4 compositions, and numbered counter-clockwise 1,2 ... 32, stator numbered counter-clockwise Ai、Bi、Ci；Ai′、Bi′、Ci', (i=1,
2nd ... 8, as follows)；Wherein, Ai-Ai′、Bi-Bi′、Ci-Ci', it is conllinear and by axle center, be a pair of couples.
By taking 48/32 type motor as an example, in Fig. 4 a, initial position, Ai-Ai' with the numbering of rotor 2 be 2,4,6 ..., 32 turn
Sub- magnetic pole 5 aligns respectively, Ai-Ai′、Ci-Ci' power-off, and Bi-Bi' be powered, totally 8 couples of Bi-Bi' be all powered simultaneously, rotor up time
Pin turns over 3.75 °, reaches the position in Fig. 4 b.
Bi-Bi' with the numbering of rotor 2 be 1,3,5 ..., 31 rotor magnetic pole 5 align respectively, Ai-Ai′、Bi-Bi' power-off,
And Ci-Ci' be powered, totally 8 couples of Ci-Ci' be all powered simultaneously, rotor clockwise turns over 3.75 °, reaches the position in Fig. 4 c.
Ci-Ci' with the numbering of rotor 2 be 2,4,6 ..., 32 rotor magnetic pole 5 align respectively, Bi-Bi′、Ci-Ci' power-off,
And Ai-Ai' be powered, totally 8 couples of Ai-Ai' be all powered simultaneously, rotor clockwise turns over 3.75 °, reaches the position in Fig. 4 d.So
Afterwards, A is returned again toi-Ai' with the numbering of rotor 2 be 1,3,5 ..., 31 rotor magnetic pole 5 align respectively, Ai-Ai′、Ci-Ci' disconnected
Electricity, and Bi-Bi' be powered, the like.Therefore, disk type switch magnetoresistance electrical machinery can accomplish that 8 pairs of couples realize output torque completely,
Break through the output torque bottleneck of conventional motors.
Therefore, the disk type switch magnetoresistance electrical machinery of embodiment 1 on the basis of the double-stator structure of stator+rotor+stator, at each
Towards on the side of rotor 2, the axis one being provided with around stator 1 is enclosed and equally distributed several stator coils 4 stator 1, often
One magnetic pole of the stator 3 is installed on individual stator coil 4；And the axis one being provided with the circumference of rotor 2 around rotor 2 is enclosed and uniformly divided
Several rotor magnetic poles 5 of cloth.
Embodiment 2
As shown in figure 5, the disk type switch magnetoresistance electrical machinery of embodiment 2, in the stator of the disk type switch magnetoresistance electrical machinery of embodiment 1
On the basis of the double-stator structure of+rotor+stator, axial multistage series connection can accomplish that volume is defeated in the case of not dramatically increasing
Go out torque to be approximately multiplied.The series connection of disk type switch magnetoresistance electrical machinery axial multistage is the two of the method for improving output torque.
Disk type switch magnetoresistance electrical machinery may include some axial multistage series components, and each axial multistage series component includes new
Two stators 1, the newly-increased rotor 2 between two newly-increased stators 1 for increasing；Some axial multistage series components are led to
Cross bearing 6 and form the structure that axial multistage is connected with two original stators 1, an original rotor 2：Stator+rotor+stator
+ stator+rotor+stator+....
Stator 1+ rotor 2+ stator 1+ stator 1+ rotor 2+ stators 1 as shown in Figure 5, this is two motors axially two grades of strings
Connection, by that analogy, can accomplish that axial multistage is connected in the design basis of embodiment 1, approximately significantly improve output torque
Disk type switch magnetoresistance electrical machinery.
Embodiment 3
The disk type switch magnetoresistance electrical machinery of embodiment 3, in the stator+rotor+stator of the disk type switch magnetoresistance electrical machinery of embodiment 1
Double-stator structure on the basis of, stator, the structure of rotor be radially arranged apart multiple concentric circle magnetic pole, it is bigger to obtain
Output torque.
As long as shown in fig. 6, size is allowed, stator and rotor can be diametrically respectively arranged to the magnetic of more multi-turn
Pole, the quantity of the magnetic pole of each circle all meets the condition of the couple for constituting the disk type switch magnetoresistance electrical machinery for meeting embodiment 1.Stator
The magnetic pole of the stator of upper outer ring is corresponding with the rotor magnetic pole of outer ring on rotor, and interior on the magnetic pole of the stator and rotor of inner ring on stator
The rotor magnetic pole of circle is corresponding.
Second circle magnetic pole is the power supply of inner ring magnetic pole and first lap magnetic pole i.e. outer ring magnetic pole can be same power supply
Same group of terminal, or different power supply terminals.Namely the stator coil 4 on stator 1 on different circles can be using same
One power supply is powered, it would however also be possible to employ different power supplys are powered.If same group of power supply terminal of same power supply, then different
The moment of torsion phase of the rotor magnetic pole output of circle is identical, if different power supply terminals, then the rotor magnetic pole of difference circle
The moment of torsion phase of output can be it is identical can also be different, when meaningfully output phase is different, the synthesis torque meeting of output
It is substantially reduced torque ripple (this is one of emphasis of the present utility model, be will be described in more detail below).On the basis of embodiment 1
On, stator and rotor multi-turn magnetic pole concentric circles set the three of the method for being raising output torque.
Embodiment 4
The disk type switch magnetoresistance electrical machinery of embodiment 3, during its multi-turn magnetic pole, still can be connected with multimachine, form embodiment 4
Disk type switch magnetoresistance electrical machinery, to obtain than only there was only the bigger output torque of multi-turn magnetic pole.The multimachine series connection of multi-turn magnetic pole
Improve the four of the method for output torque.
Embodiment 5
Although the disk type switch magnetoresistance electrical machinery of above example improves output torque, but cannot overcome dial switch magnetic
One of Main Bottleneck of motor is hindered, that is, torque ripple still can not be solved.It has been investigated that, in the disc type of embodiment 3
On switched reluctance machines, further utility model is done, the magnetic pole arrangement of multiple concentric circle is often enclosed and supplied using single power supply terminal
, can be by there is rational phase angle in electricity, the output torque effectively to reduce synthesis fluctuates between power supply.
The stator first lap pole coil of the disk type switch magnetoresistance electrical machinery of embodiment 3 is outer ring pole coil, multiple stators
Coil 4 with the axis of stator 1 as the center of circle is evenly distributed in corresponding stator 1 towards the side of rotor 2 on, and surround at least two circles
Concentric ring structure；Rotor magnetic pole 5 is evenly distributed in rotor 2 by the center of circle of the axis of rotor 2, also surrounds at least two circles
Concentric ring structure；The two ends of each rotor magnetic pole 5 penetrate the opposite sides of rotor 2, so that the shape for surrounding can be with both sides stator 1
On the shape that surrounds of multiple stator coils 4 it is corresponding.The circulation energization order that can be once illustrated using the magnetic pole of the stator shown in Fig. 2
A1_A1′、B1_B1′、C1_C1′、A2_A2′、B2_B2′、C2_C2′、……、A8_A8′、B8_B8′、C8_C8', now rotor output turns
Square schematic diagram as shown in Figure 7a, in A1The moment that magnetic pole is powered obtains maximum torque, with the rotation of rotor, by flux change
The tangential force of generation is less and less, and torque=tangential force * arm of forces are long, less and less when rotor magnetic pole and magnetic pole of the stator go to and turn
When axle is conllinear, tangential force is produced to be reduced to 0, torque=0 by magnetic flux；A1Power-off, B1It is powered, by that analogy.
The circle pole coil of stator second of the disk type switch magnetoresistance electrical machinery of embodiment 3 is inner ring magnetic pole coil, is also adopted by Fig. 2
The circulation energization order A that shown magnetic pole of the stator was once illustrated1_A1′、B1_B1′、C1_C1′、A2_A2′、B2_B2′、C2_C2′、……、
A8_A8′、B8_B8′、C8_C8', now rotor output torque schematic diagram is as shown in Figure 7b.Δ T is that the second circle pole coil is independent
The phase difference powered with first lap pole coil during power supply, phase difference of powering, causes torque phase difference.No matter first lap pole line
Circle or the second circle pole coil, when independently treating, can all produce torque ripple.
Therefore, on the basis of the disk type switch magnetoresistance electrical machinery of embodiment 3, the energization of inner ring magnetic pole coil is accurately controlled
Initial phase angular difference Δ T and the conduction time per phase power supply, torque ripple can be substantially reduced.The number of turns of magnetic pole is more, synthesis
Torque is more steady, hence it is evident that reduces and produces torque ripple.Stator coil 4 on i.e. same circle is powered using same power supply, without
Powered using different power supplys with the stator coil 4 on circle and the power supply phase of stator coil 4 between wherein two circles has one
Fixed initial phase angular difference Δ T.
The disk type switch magnetoresistance electrical machinery of embodiment 3 is through emulation experiment, when outer ring pole coil is individually powered, the output of motor
Torque is Fig. 7 a, and when inner ring magnetic pole coil is individually powered, the output torque of motor is Fig. 7 b, using the dial switch of embodiment 5
The method for designing of the reduction torque ripple of reluctance motor, i.e., when outer ring pole coil and inner ring magnetic pole coil are powered together, pass through
There is rational phase angle between two power supplies, effectively reduce the output torque fluctuation of synthesis, the output torque of motor
It is Fig. 7 c.
Embodiment 6
Referring to Fig. 5, the disk type switch magnetoresistance electrical machinery of the disk type switch magnetoresistance electrical machinery of embodiment 6 in embodiment 2
On plural serial stage architecture basics, there is rational phase angle between the power supply of the pole coil of different circles by stator,
Effectively reduce the output torque fluctuation of synthesis.As shown in fig. 6, each axial multistage series component includes two newly-increased stators
1st, the newly-increased rotor 2 between two newly-increased stators 1；Some axial multistage series components are by bearing 6 and original
Two stators 1, the structure of an original rotor 2 formation axial multistage series connection come：Stator+rotor+stator+stator+rotor+
Stator+....
The disk type switch magnetoresistance electrical machinery of embodiment 6 is obtained using the structure and multi-turn magnetic pole of plural serial stage and is substantially reduced torque
The structure design of fluctuation, or both HDL-design, can apply to wind-driven generator, hydrogenerator.Now, rotor
The outer rim of impeller will install the impeller that manufacture drives for fluid energy (wind energy or hydraulic energy), and fluid energy drives vane rotor rotation
Turn, the magnetic flux mechanical periodicity of magnetic pole and magnetic pole of the stator on vane rotor, magnetic pole of the stator coil produces the electric current of mechanical periodicity.It is many
The electric current of machine rotor merges output, increases the amplitude of output current, the treatment of the electric current of multi-turn rotor in controller switches device
The output amplitude for merging electric current can be substantially reduced down, reduce current fluctuation.
Embodiment 7
The complicated inherently insoluble problem of disk type switch magnetoresistance electrical machinery wiring, the disk designed using the utility model
Certainly will make the matter worse if the wiring of formula switched reluctance machines still uses traditional mode of connection.In order to preferably product
Introduce to the market, the utility model has done the research and design of profound level on the wiring technique of disk type switch magnetoresistance electrical machinery.
Embodiment 7 carries out Expanding design with the disk type switch magnetoresistance electrical machinery basis of embodiment 1, refers to Fig. 9, for the ease of
See wiring topology clearly, spy is shown to cable etc., but in actual applications, by opening up cabling channel on stator,
Cable is nuzzled, then floating using coating material, such as resin material, therefore, usually can't see cable wiring.Separately
Outward, for the ease of seeing the wiring of binding post 9 clearly, the diameter of special butted line circle amplifies, and certainly, in actual applications, being can
The need for according to actual conditions, increase or reduce the diameter of wiring circle.
Incorporated by reference to Figure 10, Figure 11, Figure 12, Figure 13, the central area of each stator 1 is coaxial to install a ring connection terminal
Disk.Each ring connection terminal disc includes the insulated terminal row 9 of multiple sandwich constructions, the profile of each terminal block 9 in fan ring with
The circle terminal block 9 for circularizing is pieced together, thus forms a ring connection terminal disc.Set on every Rotating fields of each terminal block 9
Put at least two conducting strips 93 being electrically connected, and the mutually insulated of conducting strip 93 on different Rotating fields.Wiring
Terminal 9 can be made up of insulating materials, in the present embodiment, in bilevel insulation installation structure.Upper strata insulation installation structure
92 and the mutually insulated of lower floor's insulation installation structure 91, and it is separately installed with conducting strip 93.
The width of each terminal block 9 successively successively decreases, and there is a conducting strip 93 at every layer of two ends respectively, as shown in figure 12, make
Corresponding terminal block 9 can see every layer of conducting strip at two ends 93 in front projection, as shown in figure 13.In front projection, together
The conducting strip 93 that one terminal block 9 appears is in one line along the diametric(al) of ring connection terminal disc.
In same ring connection terminal disc, divided ownership terminal block 9 is some groups successively in units of the number of phases of power supply,
Make each every group of one of terminal block 9 of 9 groups of terminal block that be connected of power supply.Ring connection terminal disc in wiring, power supply
It is each powered by the way of two buses of one-in-and-one-out, two buses of each phase are in the inner side of ring connection terminal disc
It is connected with the wiring of stator coil 4 in the method for star-connection, the stator coil 4 of all couples pair for constituting the phase is parallel to the phase
Bus on.As in the present embodiment, A, B, C three-phase then have bus：A+, A-, B+, B-, C+, C-.The disc type of embodiment 1 is opened
Reluctance motor is closed, stator magnet number of poles is 48, rotor magnetic pole number is the annular end stroma totally 48 × 2=96 terminals of 32, Figure 12
Son, 96 lines.The binding post 9 is input into A, B, C three-phase, the wiring schematic diagram of the A phases of such as Figure 14, the two of each phase from driver
Bar bus is laid out along the inner side of ring connection terminal disc and substantially in multiple concentric ring shapes, per 2 buses of phase, a line goes out
Driver, another line returns drive device, it is necessary to be accessed in form in parallel with the stator coil 4 that A phases are electrically connected with.According to A phases
The mode of connection, is applied in B phases and C phases, and as shown in figure 15, each stator coil 4 is connected in parallel on phase to the equivalent circuit diagram for obtaining
Under the power supply phase answered.So, even if one of stator coil 4 goes wrong, the break-make of other stator coils 4 is not interfered with yet,
And the ring connection mode of Figure 14 can significantly form effective cabling rule, facilitate subsequent maintenance, it is also possible to simplify cabling.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. it is a kind of reduce torque ripple disk type switch magnetoresistance electrical machinery, it include two stators (1), positioned at two stators (1) it
Between rotor (2), by two stators (1) and the bearing (6) of rotor (2) coaxial connection；Multiple is installed on each stator (1)
Stator coil (4), installs a magnetic pole of the stator (3) on each stator coil (4), multiple rotor magnetic are provided with rotor (2)
Pole (5)；It is characterized in that：
Multiple stator coils (4) with the axis of stator (1) as the center of circle is evenly distributed in corresponding stator (1) towards rotor (2)
On side, and surround the concentric ring structure of at least two circles；Rotor magnetic pole (5) is uniformly distributed with the axis of rotor (2) as the center of circle
In rotor (2), the concentric ring structure of at least two circles is also surrounded；The two ends of each rotor magnetic pole (5) penetrate the relative of rotor (2)
Both sides, so that the shape for surrounding can be corresponding with the shape that the multiple stator coils (4) on both sides stator (1) are surrounded；
With by the order of outer ring to inner ring, on the xth circle on stator magnet number of poles and rotor (2) on xth circle on stator (1)
Rotor magnetic pole number meets following relation：One, Sx=(Tx/ W) × j, wherein, SxIt is the rotor magnetic pole on the xth circle on rotor (2)
Number, TxFor the stator magnet number of poles on the xth circle on stator (1) and be even number, W is the power supply number of phases, and j is positive integer；Two, it is ensured that turn
The rotor magnetic pole number on xth circle on sub (2)<The stator magnet number of poles on xth circle on stator (1)；
Stator coil (4) on same circle is powered using same power supply, and the stator coil (4) on different circles is using different
Power supply is powered and the power supply phase of stator coil (4) between wherein two circles has certain initial phase angular difference Δ T.
2. the disk type switch magnetoresistance electrical machinery of torque ripple is reduced as claimed in claim 1, it is characterised in that：On rotor (2) most
The rotor magnetic pole (5) of outer ring is uniformly looped around on the circumference of rotor (2).
3. the disk type switch magnetoresistance electrical machinery of torque ripple is reduced as claimed in claim 1, it is characterised in that：On same circle
These stator coils (4) be successively one group with W quantity, be divided into Tx/ W group sets of stator coils, every group of sets of stator coils difference
The different phases of power supply are connect successively；These stator coils (4) are centrosymmetric distribution, same diameter along a diameter of stator (1)
On two magnetic pole of the stator (3) formed altogether diameter magnetic pole as drive respective rotor (2) rotate a pair of couples.
4. the disk type switch magnetoresistance electrical machinery of torque ripple is reduced as claimed in claim 3, it is characterised in that：Open the disc type
Close reluctance motor and produce (Tx/ W)/2 pairs of couples, these stator coils (4) on same circle power cycles order be：Ai_
Ai′、Bi_Bi′、Ci_Ci' ..., wherein, A, B, C ... represent the specific power supply phase of power supply respectively, i is 1,2 ... ..., (Tx/
W)/2。
5. the disk type switch magnetoresistance electrical machinery of torque ripple is reduced as claimed in claim 3, it is characterised in that：It is located at by choosing
The power cycles that different stator coils (4) on same circle are constituted sequentially, are realized driving the disk type switch magnetoresistance electrical machinery continuously to revolve
The couple pair for turning.
6. the disk type switch magnetoresistance electrical machinery of torque ripple is reduced as claimed in claim 1, it is characterised in that：Dial switch magnetic resistance
Motor also includes some axial multistage series components, and each axial multistage series component includes two newly-increased stators (1), is located at
A newly-increased rotor (2) between two newly-increased stators (1)；Some axial multistage series components are by bearing (6) and original
Two stators (1), the structure of an original rotor (2) formation axial multistage series connection come：Stator+rotor+stator+stator+
Rotor+stator+....
7. the disk type switch magnetoresistance electrical machinery of torque ripple is reduced as claimed in claim 1, it is characterised in that：The dial switch magnetic
Resistance motor also includes multiple ring connection terminal discs, and the central area of each stator (1) is coaxial to install a ring connection terminal
Disk；Each ring connection terminal disc includes insulated terminal row (9) of multiple sandwich constructions, and the profile of each terminal block (9) is in fan
Ring forms a ring connection terminal disc to piece together circularize one circle terminal block (9)；Every layer of each terminal block (9)
At least two conducting strips (93) being electrically connected, and conducting strip (93) phase on different Rotating fields are set in structure
Mutually insulation.
8. the disk type switch magnetoresistance electrical machinery of torque ripple is reduced as claimed in claim 7, it is characterised in that：Each terminal block
(9) width successively successively decreases, and there is a conducting strip (93) at every layer of two ends respectively, make corresponding terminal block (9) in front projection
On can see every layer of conducting strip at two ends (93).
9. the disk type switch magnetoresistance electrical machinery of torque ripple is reduced as claimed in claim 7, it is characterised in that：In front projection
On, the conducting strip (93) that same terminal block (9) appears is in one line along the diametric(al) of ring connection terminal disc.
10. the disk type switch magnetoresistance electrical machinery of torque ripple is reduced as claimed in claim 9, it is characterised in that：In same ring
Shape connection terminal disk, divided ownership terminal block (9) is some groups successively in units of the number of phases of power supply, each of power supply is connected
Connect every group of one of terminal block (9) of terminal block (9) group.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621389073.5U CN206237280U (en) | 2016-12-16 | 2016-12-16 | A kind of disk type switch magnetoresistance electrical machinery for reducing torque ripple |
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| CN201621389073.5U CN206237280U (en) | 2016-12-16 | 2016-12-16 | A kind of disk type switch magnetoresistance electrical machinery for reducing torque ripple |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787543A (en) * | 2016-12-16 | 2017-05-31 | 中工科安科技有限公司 | A kind of method for designing of disk type switch magnetoresistance electrical machinery and its reduction torque ripple |
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2016
- 2016-12-16 CN CN201621389073.5U patent/CN206237280U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787543A (en) * | 2016-12-16 | 2017-05-31 | 中工科安科技有限公司 | A kind of method for designing of disk type switch magnetoresistance electrical machinery and its reduction torque ripple |
| CN106787543B (en) * | 2016-12-16 | 2023-09-05 | 中工科安科技有限公司 | Disc type switch reluctance motor and design method for reducing torque fluctuation thereof |
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