Rotor, the angle using the motor of the rotor and the rotor
Calculation method
Technical field
The present invention relates to electric fields, in particular to for the rotor and motor in motor.
Background technique
The rotor being currently used in motor, the motor of homologous series different capacity need to prepare the rotor of different length
Section, comparision of production trouble;In addition, rotor section needs to be made into oblique pole or stator is done in order to reduce the counter electromotive force harmonic wave of motor
At skewed slot, cost is relatively high.
Summary of the invention
Present invention is primarily intended to improve the prior art, with the rotor section of different length, homologous series different capacity is risked
Motor;In addition, each rotor section mutually staggers certain angle, the counter electromotive force harmonic wave for reducing motor is played, improves motor
The effect of energy.
Preferably, the rotor is for the rotor in motor;It is characterized by comprising an axis, fine
Dimension, glue, at least two rotor section;Each rotor section is in quasi-cylindrical, including 4 sector electromagnets, wherein there is 2 N extremely outside
In addition the pole the N magnet on surface has the pole the S magnet of 2 pole S exterior surfaces, the pole N magnet, the pole S magnet are alternately arranged, and is in center pair
Claim distribution;All rotor section axial alignments, axis pass through among rotor section;Each rotor section is mutually wrong on axis projection face
Open certain angle a;The outer cylinder surface of rotor section is wound with fiber, there is glue between fiber and magnet.
Preferably, the rotor, it is characterised in that: further include dynamic balance calibration plate, dynamic balance calibration plate is in circle
There are hole in disk shape, centre;Axis is passed through from hole;Dynamic balance calibration plate and rotor section axial alignment.
Preferably, the rotor, it is characterised in that: further include iron core, iron core is in director circle cylinder, and there is hole in centre;
It is placed between axis and magnet, axis is passed through from hole, and magnet is attached on iron core cylindrical outer surface;There is glue between iron core and magnet.
Preferably, the rotor, it is characterised in that: further include the rotation body portion of rotor-position sensor;Turn
The rotation body portion of sub- position sensor is in director circle cylinder, the fixed frame including quasi-cylindrical, has magnet, fixed frame on fixed frame
There is hole in centre;Axis is passed through from hole;It is fixed on another end face of rotor section;The rotation body portion and rotor of rotor-position sensor
Section is in axial alignment;The magnet has the two pairs extremely alternately arranged magnetic poles of the pole N, S, is distributed in middle central symmetry;And the pole N, the pole S
Line of demarcation, on axis projection face with the angle a, b in a certain angle.
Preferably, the rotor, it is characterised in that: the magnet is ndfeb magnet or samarium cobalt magnet or iron
Oxysome magnet.
Preferably, the rotor, it is characterised in that: the fiber is carbon fiber or aramid fiber or glass fibers
Dimension.
Preferably, the rotor, it is characterised in that: further include stator, end cap;Stator is drum-shaped, and centre has
Hole;End cap is disc, and there is hole in centre;End cap is placed in stator end;The rotor is placed in stator mesoporous, and axis is from end
It is stretched out among the hole of lid.
Preferably, the motor, it is characterised in that: the stator is in cylinder drum-shaped, and there is hole in centre;And have 6 to 12
A slot is evenly distributed on around hole wall;There is enameled wire to pass through in slot.
Preferably, the calculation method of the angle of a kind of rotor, motor described in -6 turns according to claim 1
Son, it is characterised in that: the calculation method of the angle a is a≤360/ [s, 4]/n, and a > 0;Wherein, a is angle, and s is mating
The slot number of the stator of motor, n are the quantity of rotor section, and [s, 4] is the least common multiple of s and 4, the unit degree of being of a.
Preferably, the calculation method of the angle of a kind of rotor, a kind of motor according to claim 9
The calculation method of the angle of rotor, it is characterised in that: the calculation method of the angle b is that b=45-a (n-1)/2, b unit is
Degree.
Using the present invention, there is following advantage compared with prior art:
1, the motor of homologous series different capacity, it is only necessary to a kind of or 2,3 kind of different length rotor section, then pass through difference
The collocation of quantity, the rotor production that can risk various different overall lengths are very convenient.
2, in addition, each rotor section mutually staggers certain angle, the counter electromotive force harmonic wave for reducing motor is played, improves electricity
The effect of machine performance;Cost is all lower than traditional skewed pole rotor, chute stator.
Detailed description of the invention
Fig. 1 is No. 1 embodiment of the invention, the configuration schematic diagram of rotor.
Fig. 2 is No. 1 embodiment of the invention, the cross-sectional view of rotor.
Fig. 3 is No. 1 embodiment of the invention, the simplification axis projection figure of rotor.
Fig. 4 is No. 2 embodiments of the invention, the detonation configuration of the rotor of the rotation body portion with rotor-position sensor
Schematic diagram.
Fig. 5 is No. 2 embodiments of the invention, the perspective view of the rotor of the rotation body portion with rotor-position sensor.
Fig. 6 is No. 3 embodiments of the invention, the configuration schematic diagram of motor.
Fig. 7 is No. 4 embodiments of the invention, the cross-sectional view schematic diagram of motor.
Specific embodiment
In order to keep method of the invention clearer, clear, make below in conjunction with specific embodiment, attached drawing further detailed
It states:
No. 1 embodiment of the invention, as shown in Figure 1, Figure 2, Figure 3 shows:
Rotor 1 includes an axis 14, fiber 10, glue 15, two rotor sections 101, two dynamic balance calibration plates 11.
Each rotor section 101 is in quasi-cylindrical, including 4 sector electromagnets 131 and 132 and iron core 12.
In magnet 131 and 132, there is the pole the N magnet 131 of 2 pole N exterior surfaces, in addition there is the pole S of 2 pole S exterior surfaces
Magnet 132, the pole N magnet 131, the pole S magnet 132 are alternately arranged, and be centrosymmetric distribution.
Iron core 12 is in director circle cylinder, and there is hole in centre;It sets between axis 14 and magnet 131 and 132, axis 14 is passed through from hole, magnetic
Iron 131 and 132 is attached on iron core cylindrical outer surface;There is glue 15 between iron core 12 and magnet 131 and 132.
Two 101 axial alignments of rotor section, axis 14 pass through among rotor section 101;Each rotor section 101 is in axis projection
On face, certain angle a is mutually staggered.
The outer cylinder surface of rotor section 101 is wound with fiber 10, there is glue 15 between fiber 10 and magnet 131 and 132.
11 positive plate shape in disk form of dynamic balancing school, there is hole in centre;Axis 14 is passed through from hole;Two dynamic balance calibration plates 11 with
Rotor section axis 101 is separately fixed at two end faces of rotor section axis 101 to arrangement.
Because two rotor sections 101 mutually stagger certain angle a, the counter electromotive force harmonic wave for reducing motor is played, is improved
The effect of motor performance.
No. 2 embodiments of the invention, as shown in figure 3, figure 4, figure 5 and figure 7:
Rotor 1 include an axis 14, fiber 10, glue 15, two rotor sections 101, a dynamic balance calibration plate 11,
The rotation body portion 16 of one rotor-position sensor.
Similar No. 1 embodiment, axis 14, fiber 10, glue 15, two rotor sections 101 are combined simultaneously.
There are one 11 positive plate shapes in disk form of dynamic balancing school, and there is hole in centre;Axis 14 is passed through from hole;Two dynamic balancing schools
Positive plate 11, to arrangement, is fixed on an end face of rotor section axis 101 with rotor section axis 101.
There are one the rotation body portions 16 of rotor-position sensor, are in director circle cylinder, the fixed frame including quasi-cylindrical
161, there is magnet 162 on fixed frame, has hole among fixed frame;Axis 14 is passed through from hole;It is fixed on another end of rotor section 101
Face.
The rotation body portion 16 and rotor section 101 of rotor-position sensor are in axial alignment, and the magnet 162 has two couples of N
Pole 1621, the alternately arranged magnetic pole in the pole S 1622, be in be centrosymmetric distribution;And the pole N, the pole S line of demarcation 1601, in axial throwing
Institute angle a, b in a certain angle are stated with No. 1 embodiment degree on shadow face.
No. 3 embodiments of the invention, as shown in Figure 6:
A kind of motor using the rotor 1 further includes stator 3, end cap 2;Stator 3 is drum-shaped, during centre has
Hole;There are 12 slots 31 to be evenly distributed on around hole wall;There is enameled wire (omitting in figure) to pass through in slot 31.End cap 2 is disc, in
Between have hole;End cap 2 is placed in the end of stator 3;The rotor 1 is placed in 3 mesoporous of stator, and axis 14 is from the hole of end cap 2
Between stretch out.Rotor 1 passes through the support of end cap 2, can rotate in the mesoporous of stator 3.
No. 4 embodiments of the invention, as shown in figs. 4-7:
Motor described in pressing novel No. 3;Stator has 12 slots 31 to be evenly distributed on around hole wall;Rotor 1 has two
A rotor section 101.
So angle a≤360/ [s, 4]/n, and a > 0;Substitute into s=12, n=2;a≤360/[12,4]/2;A can be calculated
≤ 15 degree;It can be selected in 0~15 degree according to the actual situation, but not include 0 degree.
If a selects 15 degree, then angle b=45-a (n-1)/2;Substitute into a=15, n=2;B=45-15* (2-1)/2;It can
Calculate b=37.5 degree.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure transformation made by description of the invention and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.