CN202019249U - Transverse magnetic field permanent magnetic motor - Google Patents
Transverse magnetic field permanent magnetic motor Download PDFInfo
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- CN202019249U CN202019249U CN2010206559172U CN201020655917U CN202019249U CN 202019249 U CN202019249 U CN 202019249U CN 2010206559172 U CN2010206559172 U CN 2010206559172U CN 201020655917 U CN201020655917 U CN 201020655917U CN 202019249 U CN202019249 U CN 202019249U
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- yoke
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model provides a transverse magnetic field permanent magnetic motor, which comprises a casing, a plurality of magnetic yokes, a plurality of permanent magnets and a central shaft. The permanent magnets are arranged corresponding to the magnetic yokes positioned inside the casing, each magnetic yoke is provided with two opposite arms and a channel positioned between the arms, and the permanent magnets are positioned outside the channel. The arms are provided with tail ends corresponding to the permanent magnets, the end surfaces of the tail ends face to magnetic pole surfaces of the permanent magnets, and an air gaps is reserved between each end surface and the corresponding magnetic pole surface.
Description
Technical field
The utility model relates to the magneto field, relates in particular to the magneto on a kind of wheel hub that is applicable to motor vehicle and boats and ships.
Background technology
In the prior art, permanent-magnetic motor with transverse magnetic field is a kind of specific type of electric machine with higher torque density, electric propulsion at direct-driving type naval vessel/vehicle, fields such as wind generator system have development prospect, common permanent-magnetic motor with transverse magnetic field is designed to the flat magnetic field structure of monolateral stator, permanent magnet is attached to rotor surface equably, and adjacent permanent magnet is magnetized into different polarity respectively, and U-shaped stator core module is evenly distributed on the whole circumference with the distance of multiple pole span, and opposite the two poles of the earth of the not corresponding permanent magnet polarity of two toothed portions of U-shaped stator core, and between two adjacent iron cores, be placed with the auxiliary stator magnetic circuit that soft iron material is made, form closed magnetic loop, to reduce the influence of adjacent pole to the work main pole.
A kind of permanent-magnetic motor with transverse magnetic field that is disclosed for No. 200420017508.4 as Chinese utility model patent, it comprises three unit, each unit comprises a U-shaped silicon steel sheet yoke, be positioned at the armature winding of U-lag of each U-shaped silicon steel sheet yoke and the permanent magnet pole that extends into described U-lag, has air gap between silicon steel sheet yoke and the permanent magnet pole in described each unit; In addition, the armature winding of this horizontal magnetic field motor is vertical mutually on the locus with stator teeth groove structure, stator dimensions and armature winding can be restricted mutually, can be easily by the effective area of the described air gap of change and the number of turn of armature winding, improve electricity (magnetic) current density of motor, thereby improve motor power output and and overload torque, solved the problem of the size mutual restriction of teeth groove motor stator (or rotor) tooth on same cross section and groove.Yet, above-mentioned electric machine structure is complicated difficult with assembling, because permanent magnet pole protrudes in the U-lag, make the air gap of described each unit independently exist, needing respectively, assembling forms, this required precision to the assembling processing of each parts of motor internal is very high, the air gap that need guarantee when assembling is many (for example, for three phase electric machine, the double-sided stator structure need guarantee six air gaps), so just be difficult to guarantee the size of each air gap, and, make the precision of the size of air gap described in the assembling process be difficult to more guarantee because motor unilateral magnetic force in assembling process exists constantly, often cause the air gap size inhomogeneous easily, problems such as deviation is bigger, thereby influence torque overload multiple and torque density, can make the bad stability of motor, power output reduces.Therefore, this motor in enormous quantities, middle low power field cheaply, be difficult to be promoted.
Therefore, demand providing a kind of new permanent-magnetic motor with transverse magnetic field urgently, to address the above problem.
The utility model content
The technical problem that the utility model solves provides a kind of permanent-magnetic motor with transverse magnetic field, and it can reduce the difficulty of assembling and processing greatly, improves production.
For solving the problems of the technologies described above, the technical solution of the utility model is achieved in that a kind of permanent-magnetic motor with transverse magnetic field, comprise casing, be positioned at some yokes of casing inboard, the some permanent magnets and a central shaft of corresponding setting with described yoke, described each yoke is provided with two arms that are oppositely arranged and the conduit between described arm, described permanent magnet is positioned at outside the described conduit, described arm is provided with the end with the corresponding setting of described permanent magnet, this terminal end face is over against the magnetic pole strength setting of permanent magnet, and is provided with air gap between described end face and the magnetic pole strength.
Further, the end face of described arm and the magnetic pole strength of permanent magnet are parallel to each other, and described air gap distributes along described yoke arm outer face and be evenly big or small.
Further, described yoke and permanent magnet all along the circumferential direction evenly distribute, and along the central shaft setting that axially superposes, and the quantity of described permanent magnet is the twice of yoke quantity.
Further, described permanent magnet is positioned at the inner surface of described casing, and the magnetic pole strength polarity of two pairing permanent magnets of arm of described each yoke is opposite.
Further, described yoke takes the shape of the letter U, and is provided with magnetism-isolating loop between the yoke of adjacent two stack settings.
Further, described permanent-magnetic motor with transverse magnetic field further comprises the support of the armature winding that passes described conduit, fixing described yoke and is positioned at the positioning baffle in the described yoke outside.
Further, the end of the arm of described yoke broadens, and inboard that should end is provided with an inclined plane.
Further, the area of the magnetic pole strength of described permanent magnet is not less than the face area of described yoke arm.
Further, described permanent-magnetic motor with transverse magnetic field further is provided with position transducer, and this position transducer is positioned at the end of described arm.
Further, described central shaft is a quill shaft, and described permanent magnet is between watt shape and the two adjacent permanent magnets and is provided with every the magnetic grid.
Compared with prior art, permanent-magnetic motor with transverse magnetic field of the present utility model is located at permanent magnet the outside of yoke groove and forms an air gap between the arm of yoke and permanent magnet, has reduced the difficulty of the assembling and the processing of motor.
Description of drawings
Figure 1 shows that the axial section schematic diagram of the utility model permanent-magnetic motor with transverse magnetic field, and be example, because cross-section structure symmetry up and down only marks the first half among the figure with common three-phase structure; Marked the main flux path among the figure, supposed that direction as shown by arrows.
Figure 2 shows that the yoke, permanent magnet of permanent-magnetic motor with transverse magnetic field described in the utility model and the stereogram after the armature winding assembling.
Embodiment
As shown in Figure 1, 2, the utility model provides a kind of permanent-magnetic motor with transverse magnetic field 100, and it comprises a central shaft 1, bearing 2,12, play support 3, lead-out wire 4, end cap 5,11, some permanent magnets 6, some armature winding 7, some yokes 8, casing 9, position transducer 10, the magnetism-isolating loop 13 between adjacent two yokes of fixation, be positioned at the positioning baffle 15,16 and the clamp nut 14 in the described yoke outside.
Please join shown in Figure 1ly, described central shaft 1 is a quill shaft, and it can passing for lead-out wire 4.The spatial accommodation of described yoke 8 is accommodated in described end cap 5,11 and the 9 common formation one of described casing.
Described yoke 8 is along the circumferential direction equidistantly arranged and is provided with, and each yoke 8 roughly takes the shape of the letter U and be the silicon steel sheet material, it comprises two arms being oppositely arranged 81 and the U-lag road 82 between described arm 81, described arm 81 be provided with an end that broadens (can cooperate ginseng shown in Figure 2), and this end is provided with an end face towards described permanent magnet 6, this end face and described permanent magnet 6 are over against setting, and be formed with an air gap 18 between the end face of this arm 81 and the permanent magnet 6, can connect described end face and permanent magnet 6 for magnetic field.
Described permanent magnet 6 is positioned at the described U-lag outside, and along the circumferential direction equidistantly evenly distributes and stick on the internal face of casing 9, constitutes main pole, produces the main field of motor thus; The quantity of described permanent magnet 6 is the twice of described yoke 8 quantity, and two arms, the 81 corresponding settings of one group of permanent magnet 6 in the two adjacent groups permanent magnet 6 and described yoke 8 in a circumferential direction, another group permanent magnet 6 is then between adjacent two yokes 8, and the polarity of two adjacent permanent magnets 6 is opposite to be provided with and to be provided with along alignment on the axis direction of central shaft, and the direction of magnetization is radially.The area of the magnetic pole strength of described permanent magnet 6 is not less than the face area of the arm 81 that is oppositely arranged, and is set parallel to each other.Around 8 rotations of described yoke, described air gap 18 is between the magnetic pole strength of the end face of described yoke 8 and permanent magnet 6, and size evenly with the rotation of casing 9 for described permanent magnet 6.
The endoporus of described end cap 5,11 links to each other with bearing 2,12, and male half coupling and casing 9 are fixedly connected, with the permanent magnet 6 common rotors of forming; Described armature winding 7, the stator core of forming by yoke 8, support 3 and central shaft 1, between magnetism-isolating loop 13, positioning baffle 15,16 and locking nut 14 parts constitute the stator of motor jointly, wherein, each U-shaped yoke 8 and run through the armature winding 7 in U-lag road 82, corresponding two permanent magnets 6 are a facies unit (promptly being called a phase), as shown in Figure 1, permanent-magnetic motor with transverse magnetic field described in the utility model is a three-phase structure, promptly by three unit A, B, C forms along the axial direction stack setting of described central shaft, and the plurality of U-shaped yoke 8 in every phase stator is uniformly distributed along the circumference, be provided with magnetism-isolating loop 13 between the stator of adjacent two phases, this magnetism-isolating loop 13 is held between described adjacent two U-shaped yokes 8, and described magnetism-isolating loop 13 setting that along the circumferential direction distributes.
The tap outlet of described armature winding 7 and transducer 10 signal outlets form lead-out wire 4, and it leads to outside the motor in the central shaft 1 of described hollow.Controller of the present utility model can be matched brush DC drive pattern or permanent-magnet synchronous drive pattern, and also optional have the Position Control mode or do not have the Position Control mode.
See also shown in Figure 2ly, it is the motor stator in the phase structure and the three-dimensional structure diagram of permanent magnet pole 6, and wherein, the U-shaped yoke 8 of described stator equidistantly evenly distributes along circumference, and the inboard of yoke 8 is installed in the unified integral body of formation on the described support 3.The described direction of magnetization can be joined among Fig. 2 arrow and be represented.The U-shaped yoke 8 of described permanent-magnetic motor with transverse magnetic field and armature winding 7 is vertical setting mutually on the locus, and the feasible magnetic field of passing armature winding 7 is for crossing alternating magnetic field, and the back electromotive force of inducting is a transformer electromotive force.
Described position transducer 10 is positioned on the silicon steel sheet yoke 8 position near permanent magnet 6, be used for realizing motor is carried out closed-loop control, wherein, this position transducer 10 is positioned on the arm 81 of described U-shaped yoke 8, and position transducer 10 also can adopt other modes, as photoelectric encoder, as long as resolver etc. are the position of detection rotor that can be sensitive.
The U-lag road 82 of permanent-magnetic motor with transverse magnetic field 100 described in the utility model by permanent magnet 6 being positioned over described yoke 8 outside and with the corresponding one by one setting of arm 81 of yoke 8, and between yoke 8 arms 81 and permanent magnet 6, form a uniform air gap 18, and the air gap 18 of every phase structure is axially aligned and is linked to be a total air gap that extends vertically along central shaft 1, so, only need to guarantee that this total air gap evenly is provided with, just can guarantee easily to assemble with the course of processing in precision, and structural manufacturing process is simple relatively, independently be arranged at respect to the air gap in every phase structure of the prior art in the U-lag of yoke of U-shaped and need guarantee the assembly precision of each air gap respectively, the utility model greatly reduces processing, the assembling difficulty; Simultaneously, guaranteeing under the constant situation of motor size, the utility model can be by increasing the effective area of magnetic pole, reduce the method for air gap 18 sizes, just can increase the magnetic flux of motor easily, thereby improve power of motor density, make torque density increase, promptly increase the area of the magnetic pole strength of arm 81 distal end faces and permanent magnet 6, just can increase the area of described magnetic pole greatly, specifically, join shown in Figure 2ly, be provided with an inclined plane 83 and the end of arm 81 is broadened as the 81 terminal inboards of the arm in the utility model, with this area that has increased arm 81 distal end faces, can increase magnetic flux.
In addition, owing to permanent magnet 6 sticks on the casing, thus the magnetic pull on having eliminated axially, thus convenience brought to fit on; Stator coil is installed easily and do not had an end loss, and is every independent fully mutually, do not have electromagnetic coupled each other, and can high torque (HT) and efficient operation in the rotating speed of broadness and power bracket.
Each phase structure is independent fully in the utility model, can conveniently be combined into any phase motor by application need, its assembling course of processing is simple, each parts for motor, 8 need of U type yoke are in blocks with the silicon steel sheet punching press, and then stamping forming silicon steel sheet just stacked again and can finish, the unified integral body of the simple rack-mount formation of 8 need of U type silicon steel sheet yoke; And, only need to adopt Vehicle Processing for parts such as support 3, positioning baffle 15,16, central shaft 1, end cap 5,11 and casings 9, and milling machine processing, processing methods such as line cutting and electric spark just can guarantee the required precision of required workpiece; The coiling of ceoncentrically wound coil only needs simple frock to finish, and the paint-dipping process dipping lacquer that requires according to the required class of insulation just can access qualified armature winding again; For rotor, only need a watt type permanent magnet is simply sticked on the casing, for easy to operate, can will be attached to every magnetic grid 17 on the inner surface of casing 9 earlier, permanent magnet 6 is attached to one by one describedly between magnetic grid 17, this mode accurate positioning is easy to realize again.Even for guaranteeing air gap 18, we can assemble motor stator earlier, machine or electric spark etc. again, can not only in maximum magnitude, guarantee the air gap deviation of motor like this, can also make air gap 18 sizes littler, thereby make the torque overload multiple of motor bigger, torque density is higher.
Above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the spirit and scope of technical solutions of the utility model.
Claims (10)
1. permanent-magnetic motor with transverse magnetic field, comprise casing, be positioned at some yokes of casing inboard, the some permanent magnets and a central shaft of corresponding setting with described yoke, described each yoke is provided with two arms that are oppositely arranged and the conduit between described arm, it is characterized in that: described permanent magnet is positioned at outside the described conduit, described arm is provided with the end with the corresponding setting of described permanent magnet, this terminal end face is over against the magnetic pole strength setting of permanent magnet, and is provided with air gap between described end face and the magnetic pole strength.
2. permanent-magnetic motor with transverse magnetic field according to claim 1 is characterized in that: the end face of described arm and the magnetic pole strength of permanent magnet are parallel to each other, and described air gap distributes along described yoke arm outer face and be evenly big or small.
3. permanent-magnetic motor with transverse magnetic field according to claim 2 is characterized in that: described yoke and permanent magnet all along the circumferential direction evenly distribute, and along the central shaft setting that axially superposes, and the quantity of described permanent magnet is the twice of yoke quantity.
4. permanent-magnetic motor with transverse magnetic field according to claim 3 is characterized in that: described permanent magnet is positioned at the inner surface of described casing, and the magnetic pole strength polarity of two pairing permanent magnets of arm of described each yoke is opposite.
5. permanent-magnetic motor with transverse magnetic field according to claim 4 is characterized in that: described yoke takes the shape of the letter U, and is provided with magnetism-isolating loop between the yoke of adjacent two stack settings.
6. permanent-magnetic motor with transverse magnetic field according to claim 5 is characterized in that: described permanent-magnetic motor with transverse magnetic field further comprises the support of the armature winding that passes described conduit, fixing described yoke and is positioned at the positioning baffle in the described yoke outside.
7. according to any described permanent-magnetic motor with transverse magnetic field in the claim 1 to 6, it is characterized in that: the end of the arm of described yoke broadens, and inboard that should end is provided with an inclined plane.
8. permanent-magnetic motor with transverse magnetic field according to claim 7 is characterized in that: the area of the magnetic pole strength of described permanent magnet is not less than the face area of described yoke arm.
9. permanent-magnetic motor with transverse magnetic field according to claim 8 is characterized in that: described permanent-magnetic motor with transverse magnetic field further is provided with position transducer, and this position transducer is positioned at the end of described arm.
10. permanent-magnetic motor with transverse magnetic field according to claim 9 is characterized in that: described central shaft is a quill shaft, and described permanent magnet is between watt shape and the two adjacent permanent magnets and is provided with every the magnetic grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206559172U CN202019249U (en) | 2010-12-13 | 2010-12-13 | Transverse magnetic field permanent magnetic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206559172U CN202019249U (en) | 2010-12-13 | 2010-12-13 | Transverse magnetic field permanent magnetic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202019249U true CN202019249U (en) | 2011-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206559172U Expired - Fee Related CN202019249U (en) | 2010-12-13 | 2010-12-13 | Transverse magnetic field permanent magnetic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202019249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545423A (en) * | 2010-12-13 | 2012-07-04 | 苏州益高电动车辆制造有限公司 | Permanent magnet motor with transverse magnetic field |
-
2010
- 2010-12-13 CN CN2010206559172U patent/CN202019249U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545423A (en) * | 2010-12-13 | 2012-07-04 | 苏州益高电动车辆制造有限公司 | Permanent magnet motor with transverse magnetic field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111026 Termination date: 20141213 |
|
| EXPY | Termination of patent right or utility model |