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CN205811826U - A kind of outer rotor permanent magnet motor - Google Patents

A kind of outer rotor permanent magnet motor Download PDF

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Publication number
CN205811826U
CN205811826U CN201620645452.XU CN201620645452U CN205811826U CN 205811826 U CN205811826 U CN 205811826U CN 201620645452 U CN201620645452 U CN 201620645452U CN 205811826 U CN205811826 U CN 205811826U
Authority
CN
China
Prior art keywords
winding
stator
motor
permanent magnet
outer rotor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620645452.XU
Other languages
Chinese (zh)
Inventor
李安清
董志伟
陈三成
林江
罗来军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHENGDU LIANTENG POWER CONTROL TECHNOLOGY Co Ltd
Original Assignee
CHENGDU LIANTENG POWER CONTROL TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHENGDU LIANTENG POWER CONTROL TECHNOLOGY Co Ltd filed Critical CHENGDU LIANTENG POWER CONTROL TECHNOLOGY Co Ltd
Priority to CN201620645452.XU priority Critical patent/CN205811826U/en
Application granted granted Critical
Publication of CN205811826U publication Critical patent/CN205811826U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

A kind of outer rotor permanent magnet motor, including stator and be assemblied in the rotor outside stator, rotor is assembled with stator by motor shaft and bearing;Rotor is made up of drive end bearing bracket, rear end cap and outer housing;Stator is made up of core frame and one group of winding during circumferentially shape is distributed in core frame groove, and adjacent 3 windings are connected in series to, and winding is made up of winding iron core and coiling, and winding iron core is set to trapezoidal I-shaped structure.This utility model carries out structure improvement to the winding of motor, by increasing the winding iron core of trapezoidal " work " word structure inside winding, reduces winding air gap, reduces magnetic circuit reluctance, makes winding air gap internal magnetic field uniform, improves electric efficiency;Inside winding, increase the winding iron core of trapezoidal " work " word structure, simplify winding technique, improve winding efficiency;Improve the connected mode of winding monomer, simplify connection circuitry, it is to avoid wiring error, improve the reliability and stability of motor.

Description

A kind of outer rotor permanent magnet motor
Technical field
This utility model relates to motor technology field, particularly to a kind of outer rotor permanent magnet motor.
Background technology
Along with the development of motor, people recognize common cylinder formula motor, and i.e. radially motor, exists such as rotor Iron core utilization some row technical problems such as low grade, then, disc type permasyn motor is in widespread attention.
Disc type permasyn motor, as the permasyn morot of a kind of special construction, combines magneto and axle To the feature of magnetic field electric motor, relative to traditional radial direction motor, disc type permasyn motor eddy-current loss is little, and motor shaft Short to size, be conducive to improving the torque density of motor.But existing disc type permasyn motor is due to design defect, deposit In techniques below problem: be 1. not provided with iron core in motor winding, causing the motor gas-gap between winding big, magnetic circuit reluctance increases, And it is unfavorable for that quick coiling, winding production efficiency are substantially reduced;2. motor winding construction is complicated, and wiring is intricate, easily goes out Existing false circuit connection so that the reliability of motor is substantially reduced;3. stator is poor with the tightness of stator core frame, running In, easily occur that stator loosens phenomenon, limit service life and the stability of motor.
Utility model content
The purpose of this utility model is, exists for traditional radial direction motor and existing disc type permasyn motor Technical problem, a kind of outer rotor permanent magnet motor of design, the winding of motor is carried out structure improvement, by inside winding Increase the winding iron core of trapezoidal " work " word structure, reduce winding air gap, reduce magnetic circuit reluctance, make winding air gap internal magnetic field uniform, Improve electric efficiency;Inside winding, increase the winding iron core of trapezoidal " work " word structure, simplify winding technique, improve winding effect Rate;Improve the connected mode of winding monomer, simplify connection circuitry, it is to avoid wiring error, improve the reliability of motor and stablize Property.
This utility model is achieved through the following technical solutions:
A kind of outer rotor permanent magnet motor, it is characterised in that structure includes stator (4) and is assemblied in stator (1) outward The rotor of side, described rotor is assembled with stator (4) by motor shaft (15) and bearing (16);Described motor shaft (15) On be provided with the locking nut (9) for fixing rotor and stator (4) relative position;
Described rotor is made up of drive end bearing bracket (1), rear end cap (6) and outer housing (5);
Silicon steel coil (2) and magnet steel (3), described drive end bearing bracket (1) it is inlaid with respectively on described drive end bearing bracket (1) and rear end cap (6) Be separately provided on rear end cap (6) inlaying silicon steel coil (2) and the fitting recess of magnet steel (3);
Described silicon steel coil (2) is arranged at magnet steel (3) outside;
Described silicon steel coil (2) and magnet steel (3) pass through adhesive bonds on the fitting recess of drive end bearing bracket (1) and rear end cap (6);
Described stator (4) external binding post (7);
Described stator (4) is made up of core frame (17) and one group of winding during circumferentially shape is distributed in core frame groove, adjacent 3 around Group is connected in series to, and described winding is made up of winding iron core (18) and coiling (19), and winding number is even numbers, winding Number is unequal with magnetic steel magnetic pole number, and winding is assemblied on core frame (17) by tabletting (21) and screw (20);
Binding post U, binding post V and binding post W it is provided with on described stator (4);
Described winding iron core (18) is set to trapezoidal I-shaped structure.
Further, described magnet steel (3) is set to prismatoid structure, prismatoid structure is gone to the bottom into arc, magnet steel (3) edge The cylindrical circumferencial direction that drive end bearing bracket (1) forms with rear end cap (6) is uniformly distributed, the N pole of magnet steel (3) and the S pole of magnet steel (3) It is intervally arranged.
Further, described stator (4) is circumscribed with the rotary transformer (12) for controlling motor running.
Further, the stator of described rotary transformer (12) is installed to determine by rotary transformer seat (8) and snap ring (10) On son (4).
Further, the rotor of described rotary transformer (12) passes through rotary transformer rotor axle (13) and clamping screw (14) It is locked on motor shaft (15).
Further, described rotary transformer (12) is outside is provided with protective cover (11), and protective cover (11) is fixed on rotation Change on depressor seat (8).
Further, fewer than magnetic steel magnetic pole number 2 of described winding number.
This utility model provides a kind of outer rotor permanent magnet motor, compared with prior art, has the beneficial effects that:
1, the outer rotor permanent magnet motor of this utility model design, winding is by winding iron core (18) and coiling (19) group Becoming, winding number is even numbers, and winding number is unequal with magnetic steel magnetic pole number, and winding is assemblied in by tabletting (21) and screw (20) On core frame (17);Compared with existing permagnetic synchronous motor, by increasing the winding of trapezoidal " work " word structure inside winding Iron core (18), reduces winding air gap, reduces magnetic circuit reluctance, makes winding air gap internal magnetic field uniform, improves electric efficiency;Same with this Time, inside winding, increase the winding iron core (18) of trapezoidal " work " word structure, coiling (19) directly can be wound in winding iron core (18), simplify winding technique, it is simple to use machine winding technologe, improve winding efficiency.
2, this utility model design outer rotor permanent magnet motor, stator (4) by core frame (17) and circumferentially shape divide The one group of winding composition being distributed in core frame groove, adjacent 3 windings are connected in series to, and this kind of design decreases and connect Line circuit, it is to avoid wiring error, improves the reliability and stability of motor, makes the outer rotor permanent magnet motor of acquisition more For reliably.
3, the outer rotor permanent magnet motor of this utility model design, rotor is by drive end bearing bracket (1), rear end cap (6) And outer housing (5) is constituted;Silicon steel coil (2) and magnet steel (3) it is inlaid with respectively on drive end bearing bracket (1) and rear end cap (6);Magnet steel (3) is along front The cylindrical circumferencial direction that end cap (1) forms with rear end cap (6) is uniformly distributed, the N pole of magnet steel (3) and the S interpolar of magnet steel (3) Every arrangement;This kind of design structure, improves stability and the uniformity of magnetic circuit, improves electric efficiency.
4, the outer rotor permanent magnet motor of this utility model design, winding is assembled by tabletting (21) and screw (20) In on core frame (17), epoxy colloid sealing, silicon steel coil (2) and magnet steel (3) is then used by bonding agent and to be mechanically fixed viscous On fitting recess together in drive end bearing bracket (1) and rear end cap (6);Above-mentioned design structure, improves external rotor permanent magnet in the design and synchronizes The mechanical strength of motor and shock resistance, improve motor service life.
5, the outer rotor permanent magnet motor of this utility model design, stator (4) is circumscribed with for controlling motor fortune The rotary transformer (12) of row, this kind of design structure, improve in the design the stability of outer rotor permanent magnet motor and Reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of outer rotor permanent magnet motor in this utility model.
Fig. 2 is the structural representation of stator in this utility model.
Fig. 3 is the assembling structural representation of magnet steel in this utility model.
Fig. 4 is the partial structurtes enlarged diagram of Fig. 2.
Detailed description of the invention
Refering to accompanying drawing 1, Fig. 2, Fig. 3 and Fig. 4, this utility model is described further.
This utility model relates to a kind of outer rotor permanent magnet motor, it is characterised in that structure includes stator (4) and dress Being assigned in the rotor in stator (1) outside, described rotor is assembled with stator (4) by motor shaft (15) and bearing (16); The locking nut (9) for fixing rotor and stator (4) relative position it is provided with on described motor shaft (15);
Described rotor is made up of drive end bearing bracket (1), rear end cap (6) and outer housing (5);
Silicon steel coil (2) and magnet steel (3), described drive end bearing bracket (1) it is inlaid with respectively on described drive end bearing bracket (1) and rear end cap (6) Be separately provided on rear end cap (6) inlaying silicon steel coil (2) and the fitting recess of magnet steel (3);
Described silicon steel coil (2) is arranged at magnet steel (3) outside;
Described silicon steel coil (2) and magnet steel (3) pass through adhesive bonds on the fitting recess of drive end bearing bracket (1) and rear end cap (6);
Described stator (4) external binding post (7);
Described stator (4) is made up of core frame (17) and one group of winding during circumferentially shape is distributed in core frame groove, adjacent 3 around Group is connected in series to, and described winding is made up of winding iron core (18) and coiling (19), and winding number is even numbers, winding Number is unequal with magnetic steel magnetic pole number, and winding is assemblied on core frame (17) by tabletting (21) and screw (20);
Binding post U, binding post V and binding post W it is provided with on described stator (4);
Described winding iron core (18) is set to trapezoidal I-shaped structure.
Preferably as improvement, described magnet steel (3) is set to prismatoid structure, prismatoid structure is gone to the bottom into arc, The cylindrical circumferencial direction that magnet steel (3) forms along drive end bearing bracket (1) and rear end cap (6) is uniformly distributed, the N pole of magnet steel (3) and magnetic The S pole of steel (3) is intervally arranged.
Preferably as improvement, described stator (4) is circumscribed with the rotary transformer (12) for controlling motor running.
Preferably as improvement, the stator of described rotary transformer (12) passes through rotary transformer seat (8) and snap ring (10) It is installed on stator (4).
Preferably as improvement, the rotor of described rotary transformer (12) is by rotary transformer rotor axle (13) and lock Tight bolt (14) is locked on motor shaft (15).
Preferably as improvement, described rotary transformer (12) is outside is provided with protective cover (11), and protective cover (11) is installed It is fixed on rotary transformer seat (8).
Preferably as improvement, fewer than magnetic steel magnetic pole number 2 of described winding number.
Compared with prior art, the outer rotor permanent magnet motor of this utility model design, winding is by winding iron core (18) and coiling (19) composition, winding number is even numbers, and winding number is unequal with magnetic steel magnetic pole number, and winding is by tabletting (21) And screw (20) is assemblied on core frame (17);Compared with existing permagnetic synchronous motor, trapezoidal by increasing inside winding The winding iron core (18) of " work " word structure, reduces winding air gap, reduces magnetic circuit reluctance, makes winding air gap internal magnetic field uniform, improves Electric efficiency;Meanwhile, inside winding, increase the winding iron core (18) of trapezoidal " work " word structure, can be direct by coiling (19) It is wound in winding iron core (18), simplifies winding technique, it is simple to use machine winding technologe, improve winding efficiency.
The outer rotor permanent magnet motor of this utility model design, stator (4) is by core frame (17) and circumferentially shape distribution One group of winding composition in core frame groove, adjacent 3 windings are connected in series to, and this kind of design decreases wiring Circuit, it is to avoid wiring error, improves the reliability and stability of motor, makes the outer rotor permanent magnet motor of acquisition more Reliably.
The outer rotor permanent magnet motor of this utility model design, rotor by drive end bearing bracket (1), rear end cap (6) and Outer housing (5) is constituted;Silicon steel coil (2) and magnet steel (3) it is inlaid with respectively on drive end bearing bracket (1) and rear end cap (6);Magnet steel (3) is along front end Lid (1) and the cylindrical circumferencial direction that forms of rear end cap (6) are uniformly distributed, the N pole of magnet steel (3) and the S interpolar of magnet steel (3) every Arrangement;This kind of design structure, improves stability and the uniformity of magnetic circuit, improves electric efficiency.
The outer rotor permanent magnet motor of this utility model design, winding is assemblied in by tabletting (21) and screw (20) On core frame (17), epoxy colloid sealing, silicon steel coil (2) and magnet steel (3) is then used by bonding agent and to be mechanically fixed bonding On the fitting recess of drive end bearing bracket (1) and rear end cap (6);Above-mentioned design structure, improves external rotor permanent magnet in the design and synchronizes electricity The mechanical strength of motivation and shock resistance, improve motor service life.
The outer rotor permanent magnet motor of this utility model design, stator (4) is circumscribed with for controlling motor running Rotary transformer (12), this kind of design structure, improve in the design the stability of outer rotor permanent magnet motor and can By property.
In use, magnet steel (3) is set to prismatoid structure to this utility model, and prismatoid structure is gone to the bottom as arc Shape, magnet steel (3) is uniform with the cylindrical circumferencial direction that rear end cap (6) forms along drive end bearing bracket (1), the N of magnet steel (3) and magnet steel (3) S pole is intervally arranged, thus sets up axially distributed uniform magnetic field, and after motor is energized, electric current passes through terminals The stator (4) of son (7) inflow motor, in axial air-gap magnetic field, the stator (4) of motor is produced electromagnetism by tangential electromagnetic force Torque so that the rotor of motor rotates and exports torque from axle head, it is achieved the conversion from electric energy to mechanical energy.
Meanwhile, in the design, stator (4) is by core frame (17) and one group of winding during circumferentially shape is distributed in core frame groove Composition, adjacent 3 windings are connected in series to, this kind of design, are connected, greatly by 3 adjacent winding monomer bunchiness Reduce greatly wiring quantity, make motor the most reliable.
As described above, this utility model can be applied.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not Being confined to this, any those familiar with the art is in the technical scope that this utility model discloses, according to this practicality Novel technical scheme and utility model thereof conceive equivalent or change in addition, all should contain at protection model of the present utility model Within enclosing.

Claims (7)

1. an outer rotor permanent magnet motor, it is characterised in that structure includes stator (4) and is assemblied in stator (1) outside Rotor, described rotor is assembled with stator (4) by motor shaft (15) and bearing (16);On described motor shaft (15) It is provided with the locking nut (9) for fixing rotor and stator (4) relative position;
Described rotor is made up of drive end bearing bracket (1), rear end cap (6) and outer housing (5);
Be inlaid with silicon steel coil (2) and magnet steel (3) on described drive end bearing bracket (1) and rear end cap (6) respectively, described drive end bearing bracket (1) and after It is separately provided on end cap (6) inlaying silicon steel coil (2) and the fitting recess of magnet steel (3);
Described silicon steel coil (2) is arranged at magnet steel (3) outside;
Described silicon steel coil (2) and magnet steel (3) pass through adhesive bonds on the fitting recess of drive end bearing bracket (1) and rear end cap (6);
Described stator (4) external binding post (7);
Described stator (4) is made up of core frame (17) and one group of winding during circumferentially shape is distributed in core frame groove, adjacent 3 windings with Series connection mode connect, described winding be made up of winding iron core (18) and coiling (19), and winding number is even numbers, winding number and Magnetic steel magnetic pole number is unequal, and winding is assemblied on core frame (17) by tabletting (21) and screw (20);
Binding post U, binding post V and binding post W it is provided with on described stator (4);
Described winding iron core (18) is set to trapezoidal I-shaped structure.
Outer rotor permanent magnet motor the most according to claim 1, it is characterised in that described magnet steel (3) is set to ladder Physique structure, prismatoid structure is gone to the bottom into arc, and magnet steel (3) is cylindrical with what rear end cap (6) formed along drive end bearing bracket (1) Circumferencial direction is uniformly distributed, and the N pole of magnet steel (3) and the S pole of magnet steel (3) are intervally arranged.
Outer rotor permanent magnet motor the most according to claim 1, it is characterised in that described stator (4) is circumscribed with use In the rotary transformer (12) controlling motor running.
Outer rotor permanent magnet motor the most according to claim 3, it is characterised in that described rotary transformer (12) Stator is installed on stator (4) by rotary transformer seat (8) and snap ring (10).
Outer rotor permanent magnet motor the most according to claim 3, it is characterised in that described rotary transformer (12) Rotor is locked on motor shaft (15) by rotary transformer rotor axle (13) and clamping screw (14).
Outer rotor permanent magnet motor the most according to claim 3, it is characterised in that described rotary transformer (12) is outward Portion is provided with protective cover (11), and protective cover (11) is fixed on rotary transformer seat (8).
Outer rotor permanent magnet motor the most according to claim 1, it is characterised in that described winding number is than magnet steel magnetic Few 2 of number of poles.
CN201620645452.XU 2016-06-27 2016-06-27 A kind of outer rotor permanent magnet motor Expired - Fee Related CN205811826U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620645452.XU CN205811826U (en) 2016-06-27 2016-06-27 A kind of outer rotor permanent magnet motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620645452.XU CN205811826U (en) 2016-06-27 2016-06-27 A kind of outer rotor permanent magnet motor

Publications (1)

Publication Number Publication Date
CN205811826U true CN205811826U (en) 2016-12-14

Family

ID=57505767

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620645452.XU Expired - Fee Related CN205811826U (en) 2016-06-27 2016-06-27 A kind of outer rotor permanent magnet motor

Country Status (1)

Country Link
CN (1) CN205811826U (en)

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161214

Termination date: 20210627