CN207010382U

CN207010382U - Rotor

Info

Publication number: CN207010382U
Application number: CN201621212656.0U
Authority: CN
Inventors: 唐雷
Original assignee: Shenzhen Handsome Technology Co Ltd
Current assignee: Shenzhen Hobbywing Technology Co Ltd
Priority date: 2016-04-06
Filing date: 2016-11-10
Publication date: 2018-02-13
Anticipated expiration: 2026-11-10
Also published as: CN106357031A; CN106357031B

Abstract

Electric field is the utility model is related to, more particularly to for the rotor in motor, the motor using the rotor；There is an axle this rotor, centre, and axle passes through two or more rotor section, and each mutual section of rotor staggers certain angle；The brushless electric machine also includes end cap, stator；Using the motor of this rotor, can arrange in pairs or groups varying number section rotor section, expand out the serial motors of different capacity；And the certain angle because each rotor section staggers, the counter electromotive force harmonic wave of motor is smaller, improves motor performance.

Description

Rotor

Technical field

Electric field is the utility model is related to, more particularly to for the rotor and motor in motor.

Background technology

The rotor being currently used in motor, the motor of homologous series different capacity is, it is necessary to prepare the rotor of different length Section, comparision of production trouble；In addition, in order to reduce the counter electromotive force harmonic wave of motor, rotor section is needed to make oblique pole, or stator is done It is higher into skewed slot, cost.

Utility model content

The utility model main purpose is to improve prior art, with the rotor section of different length, risks homologous series difference work( The motor of rate；The certain angle in addition, each rotor section mutually staggers, serves the counter electromotive force harmonic wave for reducing motor, improves electricity The effect of machine performance.

Preferably, described rotor, including an axle, fiber, glue, at least two rotor section；Each rotor section In quasi-cylindrical, including 4 sector electromagnets, wherein there is the N poles magnet of 2 N poles exterior surfaces, there are 2 S poles in addition to appearance The S poles magnet in face, N poles magnet, S poles magnet are alternately arranged, and be centrosymmetric distribution；All rotor sections axially arrange, and axle is from turning Passed through among subsegment；Each rotor section is on axis projection face, and mutually stagger certain angle a；The outer cylinder surface of rotor section twines Fiber is wound with, there is glue between fiber and magnet；Angle a is 10 to 30 °；Also include dynamic balance calibration plate, dynamic balance calibration plate is in There is hole disc-shape, centre；Axle passes through from hole；Dynamic balance calibration plate axially arranges with rotor section；Also include iron core, iron core is in There is hole director circle cylinder, centre；It is placed between axle and magnet, axle is passed through from hole, and magnet is attached on iron core cylindrical outer surface；Iron core with There is glue between magnet.

Preferably, the rotor, the rotation body portion of rotor-position sensor is included；Rotor-position sensor It is in director circle cylinder to rotate body portion, includes the fixed mount of quasi-cylindrical, has magnet on fixed mount, have hole among fixed mount；Axle from Hole passes through；It is fixed on another end face of rotor section；The rotation body portion of rotor-position sensor is with rotor section in axially arrangement； The magnet has the magnetic pole that two pairs of N poles, S poles are alternately arranged, and is distributed in middle Central Symmetry；And N poles, S poles line of demarcation, in axial throwing On shadow face angle a, b in a certain angle are stated with spending；Angle b is 30 to 45 °.

Using the utility model, there is following advantage compared with prior art：

1st, the motor of homologous series different capacity, it is only necessary to it is a kind of, or the rotor section of 2,3 kind of different length, then pass through difference The collocation of quantity, you can the rotor production for risking various different overall lengths is very convenient.

2nd, the certain angle in addition, each rotor section mutually staggers, serves the counter electromotive force harmonic wave for reducing motor, improves electricity The effect of machine performance；Cost is all lower than traditional skewed pole rotor, chute stator.

Brief description of the drawings

Fig. 1 is No. 1 embodiment of the utility model, the configuration schematic diagram of rotor.

Fig. 2 is No. 1 embodiment of the utility model, the sectional view of rotor.

Fig. 3 is No. 1 embodiment of the utility model, the simplification axis projection figure of rotor.

Fig. 4 is No. 2 embodiments of the utility model, the blast of the rotor of the rotation body portion with rotor-position sensor Structural representation.

Fig. 5 is No. 2 embodiments of the utility model, the solid of the rotor of the rotation body portion with rotor-position sensor Figure.

Fig. 6 is No. 3 embodiments of the utility model, the configuration schematic diagram of motor.

Fig. 7 is No. 1 embodiment of the utility model, the sectional view of motor.

Embodiment

In order that method of the present utility model is clearer, clear, make below in conjunction with specific embodiment, accompanying drawing further It is described in detail：

No. 1 embodiment of the utility model, as shown in Figure 1, Figure 2, Figure 3 shows:

Rotor 1 includes an axle 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 N poles magnet 131 of 2 N poles exterior surfaces, the S poles for there are 2 S poles exterior surfaces in addition Magnet 132, N poles magnet 131, S poles magnet 132 are alternately arranged, and be centrosymmetric distribution.

Iron core 12 is in director circle cylinder, and there is hole centre；Put between axle 14 and magnet 131 and 132, axle 14 passes 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.

The axially arrangement of two rotor sections 101, axle 14 pass through among rotor section 101；Each rotor section 101 is in axis projection On face, mutually stagger certain angle a, a=15 ° of angle.

The outer cylinder surface of rotor section 101 is wound with fiber 10, has glue 15 between fiber 10 and magnet 131 and 132.

The positive plate shape in disk form of dynamic balancing school 11, there is hole centre；Axle 14 passes through from hole；Two dynamic balance calibration plates 11 with Rotor section axle 101 is separately fixed at two end faces of rotor section axle 101 to arrangement.

The certain angle a because two rotor sections 101 mutually stagger, the counter electromotive force harmonic wave for reducing motor is served, improved The effect of motor performance.

No. 2 embodiments of the utility model, as shown in Fig. 3, Fig. 4, Fig. 5, Fig. 7:

Rotor 1 includes an axle 14, fiber 10, glue 15, the rotor section 101 of two, a dynamic balance calibration plate 11, The rotation body portion 16 of one rotor-position sensor.

Similar No. 1 embodiment, axle 14, fiber 10, glue 15, the rotor section 101 of two, is combined simultaneously.

An also positive plate shape in disk form of dynamic balancing school 11, there is hole centre；Axle 14 passes through from hole；Two dynamic balancing schools Positive plate 11 and rotor section axle 101 are fixed on an end face of rotor section axle 101 to arrangement.

The rotation body portion 16 of also one rotor-position sensor, in the fixed mount of director circle cylinder, including quasi-cylindrical 161, there is magnet 162 on fixed mount, have hole among fixed mount；Axle 14 passes through from hole；It is fixed on another end of rotor section 101 Face.

For the rotation body portion 16 of rotor-position sensor with rotor section 101 in axially arranging, the magnet 162 has two couples of N The magnetic pole that pole 1621, S poles 1622 are alternately arranged, be centrosymmetric distribution in being in；And N poles, S poles line of demarcation 1601, in axial throwing On shadow face institute angle a, b in a certain angle are stated with No. 1 embodiment degree；B=37.5 ° of angle.

No. 3 embodiments of the utility model, as shown in Figure 6:

A kind of motor using the rotor 1, in addition to stator 3, end cap 2；Stator 3 is drum-shaped, during centre has Hole；There are 12 grooves 31 to be evenly distributed on around hole wall；There is enamel-covered wire (being omitted in figure) to pass through in groove 31.End cap 2 is disc, There is hole centre；End cap 2 is placed in the end of stator 3；Described rotor 1 is placed in the mesopore of stator 3, and axle 14 is from the hole of end cap 2 Centre is stretched out.Rotor 1, can be in the mesopore internal rotation of stator 3 by the support of end cap 2.

Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, Every equivalent structure transformation made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other phases The technical field of pass, similarly it is included in scope of patent protection of the present utility model.

Claims

1. rotor, it is for the rotor in motor；It is characterized in that：Including an axle, fiber, glue, at least two Rotor section；Each rotor section is in quasi-cylindrical, including 4 sector electromagnets, wherein have the N poles magnet of 2 N poles exterior surfaces, There is the S poles magnet of 2 S poles exterior surfaces in addition, N poles magnet, S poles magnet are alternately arranged, and be centrosymmetric distribution；All rotors Section axially arrangement, axle pass through among rotor section；Each rotor section is on axis projection face, and mutually stagger certain angle a；Rotor The outer cylinder surface of section is wound with fiber, there is glue between fiber and magnet；Angle a is 10 to 30 °；Also include dynamic balance calibration Plate, dynamic balance calibration plate shape in disk form, there is hole centre；Axle passes through from hole；Dynamic balance calibration plate axially arranges with rotor section； Also include iron core, iron core is in director circle cylinder, and there is hole centre；It is placed between axle and magnet, axle passes through from hole, and magnet is attached to iron core circle On outer surface of column；There is glue between iron core and magnet.

2. rotor according to claim 1, it is characterised in that：Also include the rotary body portion of rotor-position sensor Point；The rotation body portion of rotor-position sensor is in director circle cylinder, includes the fixed mount of quasi-cylindrical, has magnet on fixed mount, There is hole among fixed mount；Axle passes through from hole；It is fixed on another end face of rotor section；The rotation body portion of rotor-position sensor With rotor section in axially arrangement；The magnet has the magnetic pole that two pairs of N poles, S poles are alternately arranged, and is distributed in middle Central Symmetry；And N Pole, S poles line of demarcation, angle a, b in a certain angle are stated with spending on axis projection face；Angle b is 30 to 45 °.