CN100474742C - Rotor of wheel spoke type electric motor and manufacturing method thereof - Google Patents
Rotor of wheel spoke type electric motor and manufacturing method thereof Download PDFInfo
- Publication number
- CN100474742C CN100474742C CNB2004100721336A CN200410072133A CN100474742C CN 100474742 C CN100474742 C CN 100474742C CN B2004100721336 A CNB2004100721336 A CN B2004100721336A CN 200410072133 A CN200410072133 A CN 200410072133A CN 100474742 C CN100474742 C CN 100474742C
- Authority
- CN
- China
- Prior art keywords
- rotor
- thin plate
- electric motor
- wheel spoke
- type electric
- 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
Links
Images
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
This invention relates to rotors of a spoke-like motor and its manufacturing method including a stator, multiple T shape posts installed radially in the stator and mutually isolated in gaps with the stator to the peripheral direction and rotors plug with permanent magnets installed among the posts, in which, a non-magnetic yoke is connected with one side of the multiple posts on the central part of the rotor and the rotor of a spoke like motor is manufactured by a screw method to stop part of the magnetic beam passing through the yoke to increase the beam density between the stator and the rotor to increase the moment.
Description
Technical field
The invention relates to the rotor of wheel spoke type electric motor and the invention of manufacture method thereof.Particularly,, improve the performance of motor, and can improve wheel spoke type electric motor rotor and its manufacture method of the installation capability of rotor by non magnetic yoke circle is installed about in wheel spoke type electric motor.
Background technology
Generally speaking, in the magnetic field of motor, conductor is laid by vertical with magnetic field, if electric current passes through, the rotate electronic induction phenomenon of power of vertical direction according to the kind of power supply, is divided into DC motor and alternating current motor in the utilization magnetic field.
Fig. 1 is the decomposing schematic representation that utilizes the old-fashioned use in washing machine dc drive motor of conventional art.Fig. 2 is the sectional drawing of the rotor of wheel spoke type electric motor.
Utilize the old-fashioned use in washing machine dc drive motor of conventional art, the main external-rotor-type brushless DC motor that uses, it comprises as shown in fig. 1 by stator 10, with press radial direction, be rotatably installed in certain hole that the outside rotor 20 of stator 10 constitutes.
That is, be tied with the interaction between the electric current that flows on the coil 18 of line on flux that the permanent magnet 21 that rotor adheres to according to utilization produces and the stator 10, and the moment that produces is rotated.
But, on the motor of the old-fashioned external-rotor-type that utilizes conventional art, because the flux that produces on the coil 18 of guiding stator 10, there is not the magnetic force resistance difference on the relative position that forms with the flux of permanent magnet 21, so, the revolving force that can not utilize rotor to produce.
Therefore, can replace brushless DC motor with wheel spoke type electric motor.The rotor 40 of wheel spoke type electric motor is identical as shown in Figure 2, and a plurality of rotor T type posts 44 replace by circumferencial direction with permanent magnet, are radial arrangement.
Rotor T type post 44 comprise by: from centre of rotor direction radial excellent 42; With on rod 42 outer distolateral, press excellent tail 43 formations that circumferencial direction form to be hung plug, the end face of whole rotor T type post is the T shape.
And between adjacent rod 42 and rod 42, permanent magnet 41 is radial arrangement for identical magnetic pole is faced mutually, and excellent tail 43 is being fixed permanent magnet 41.
The rotor of wheel spoke type electric motor, its permanent magnet 41 is mutually in the face of arranging, flux on the rotor T type post 44 is concentrated, by these, the magnetic pole of the flux that on the coil of guiding, produces at stator, the flux that produces with the permanent magnet 41 of rotor 40 forms relative position, just produces the magnetic force impedance, can increase the revolving force that produces rotor.
But so the formation that rotor T type post 44 and permanent magnet 41 are cut apart with the circumferencial direction central part is the difficulty of being fixed up.In addition,, between rotor T type post 44 and permanent magnet 41, need to install other parts, caused needs to use the problem of more manufacturing process for not producing the flux of leakage on the central part that makes rotor 40.
Summary of the invention
The present invention provides a kind of rotor of wheel spoke type electric motor for solving the technical problem that exists in the above-mentioned technology, the non magnetic yoke circle of annular is installed by portion in the central, make rotor when installing, the installation of rotor T type post and permanent magnet the become rotor and the manufacture method thereof of the wheel spoke type electric motor that is more prone to.
The technical scheme that the present invention takes for the technical problem that exists in the above-mentioned technology of solution is:
Wheel spoke type electric motor rotor of the present invention, comprise by with the inside that is installed in stator, with stator by certain hole, separate a plurality of rotor T type posts of radial arrangement mutually to circumferencial direction; Between rotor T type post, insert the rotor of permanent magnet; In centre of rotor portion, be formed with the yoke circle of the nonmagnetic material that connects a plurality of rotor T type post one sides.The yoke circle is an annular.For connecting the rotating shaft that motor is rotated easily, be formed with flange or groove on the yoke circle.
The manufacture method of the rotor of wheel spoke type electric motor, comprise from the part of the connection thin plate that is connected with the length direction of nonmagnetic material according to magnetic, to in order to make on the face of magnetic, according to the length direction that connects thin plate, constantly form rotor T type post, with on the face of nonmagnetic material,, constantly form the yoke circle and the punching course that carries out punching press according to the length direction that connects thin plate; The thin plate that is stamped according to circumferencial direction, the folding process that folds with the spiral process; The thin plate that is folded, when forming annular by certain thickness, the assembling process that connects according to folding direction; Between rotor T type post portion, the process of press in that is pressed into permanent magnet is formed; Connect the thin plate welding and vertically very long magnetic thin plate with the nonmagnetic material thin plate or be connected thin plate and between two magnetic thin plates, connect the nonmagnetic material thin plate.
Advantage and good effect that the present invention has are: the rotor of wheel spoke type electric motor of the present invention is because use nonmagnetic material to form the yoke circle of rotor, so, the part that can contain the flux that produces in the permanent magnet is by the yoke circle, the flux that guiding is produced is by T type post, so that pass through stator, so, can increase the flux density between stator and the rotor, make it to have the advantage that increases moment.
In addition, when being connected on the yoke circle that constitutes by nonmagnetic material, have flange or groove on the yoke circle, so that when being connected, have the advantage that is more prone to assemble with the axle of motor to motor reel.
And, utilize the manufacture method of the rotor of other wheel spoke type electric motors of the present invention, use the thin plate that is connected of welding magnetic thin plate and nonmagnetic material thin plate, use spiral process, so make the minimized while of leftover pieces, also having the advantage of the manufacturing cost that reduces rotor.
In addition, the thin plate by utilization is become with the nonmagnetic material thin type by the magnetic thin plate for the manufacturing that connects thin plate, has the advantage that reduces required expense in the welding operation.As using 3 layers of arrangement thin plate that constitute by two magnetic parts and the nonmagnetic material between it, also have and cut off 2 parts, the advantage that reduces production costs simultaneously.
Description of drawings
Fig. 1 is the decomposing schematic representation of the old-fashioned use in washing machine dc drive motor of conventional art.
Fig. 2 is the sectional drawing of the rotor of wheel spoke type electric motor.
Fig. 3 is the sectional drawing of rotor of the wheel spoke type electric motor of the first embodiment of the present invention.
Fig. 4 is the sectional drawing of rotor of the wheel spoke type electric motor of second embodiment of the present invention.
Fig. 5 is the sectional drawing of rotor of the wheel spoke type electric motor of the 3rd embodiment of the present invention.
Fig. 6 utilizes the process drawing of first embodiment of wheel spoke type electric motor rotor of the present invention.
Fig. 7 is the process drawing of other embodiment of wheel spoke type electric motor rotor of the present invention.
Main symbol description
50: rotor 51: permanent magnet
52: rod 53: excellent tail
54: rotor T type post, 55: the yoke circle
55a: flange 55b: groove
61: magnetic thin plate 62: the nonmagnetic material thin plate
63b: the yoke circle 63c of portion: leftover pieces
64: cut off thin plate 65: folded sheet
66: permanent magnet 70:3 row are arranged thin plate
70a, 70b: magnetic thin plate part 70c: nonmagnetic material thin plate part
71c, 72c: leftover pieces 74: cut off thin plate
75: folded sheet 76: permanent magnet
Embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
Fig. 3 is the sectional drawing of the wheel spoke type electric motor rotor of first embodiment of the present invention.
Utilizing the rotor of the wheel spoke type electric motor of first embodiment of the present invention, is by comprising that there is the non-conductor yoke circle 55 of annular in central authorities; With circumferencial direction, be radial, at a certain distance the plural rotor T type post 54 of Pai Lieing according to yoke circle 55; And a plurality of permanent magnets between the adjacent rotors T type post 54 51 constitute.
Rotor T type post 54 comprises from centre of rotor direction radial excellent 52; With on rod 52 outer distolateral, press excellent tail 53 formations that circumferencial direction forms flange, the end face of whole rotor T type post is the T shape.
Between adjacent rod 52 and rod 52, permanent magnet 51 is radial arrangement for identical magnetic pole is faced mutually, and excellent tail 53 is being fixed permanent magnet 51.
The wheel spoke type electric motor rotor of first embodiment, its permanent magnet 51 is mutually in the face of arranging, flux on the rotor T type post 54 is concentrated, by these, according to the magnetic pole that guides the flux that on the coil of stator, produces, the formed relative position of flux that produces with the permanent magnet 51 of rotor 50, the magnetic force impedance contrast that produces and cause occurring moment, and and the flux that produces of the permanent magnet that adheres to 51 and stator on be tied with between the electric current that flows on the coil of line and interact, and the permanent magnet moment that produces is rotated.
Here, because of yoke circle 55 uses nonmagnetic material, so can not pass through flux.All fluxs that produce on permanent magnet 51 flow into stator by rotor T type post 54, and the moment of its generation also increases.
Fig. 4 is the sectional drawing of the wheel spoke type electric motor rotor of second embodiment of the present invention.
The rotor of the wheel spoke type electric motor in the present embodiment is with shown in Figure 4 identical, on about the reaching up and down of yoke circle 55 inside face, be formed with respectively and protrude flange 55a, invention beyond the yoke circle 55 flange 55a is identical with first embodiment of the present invention, and use identical symbol, so omit elaborating to it.
After rotor 50 installs, be connected washing machine the axle on, flange 55a should with incompatible installation of groove kissing of wash shaft (not marking on the figure).
Fig. 5 is the sectional drawing of the wheel spoke type electric motor rotor of the 3rd embodiment of the present invention.
The rotor of other wheel spoke type electric motors in the present embodiment is with shown in Figure 5 identical, on about the reaching up and down of yoke circle 55 inside face, be formed with groove 55b respectively, invention beyond the yoke circle 55 groove 55b is identical with first embodiment of the present invention, and use identical symbol, so omit elaborating to it.
After rotor 50 installs, be connected washing machine the axle on, 55b should with incompatible installation of flange kissing of wash shaft (not marking on the figure).
Fig. 6 is the process drawing of first embodiment of wheel spoke type electric motor rotor of the present invention.Fig. 7 is the process drawing of other embodiment of wheel spoke type electric motor rotor of the present invention.
The manufacture method of the rotor of other wheel spoke type electric motors of present embodiment is identical with the order shown in Fig. 6, at first, the thin plate 61 of magnetic and nonmagnetic material thin plate 62 welding alongst, is a stage, b stage thereby form connection thin plate 63.
From connecting the part of thin plate 63, for on the face of magnetic, along the length direction that connects thin plate, constantly form by what rod and excellent tail constituted and be connected thin plate part 63a, and on the face of nonmagnetic material,, constantly form the connection thin plate part 63b that the yoke circle constitutes along the length direction that connects thin plate, cutting off, is the c stage so that make a plurality of cut-out thin plates 64.
, in design, realize the intensive of maximum here, should make the 63c of leftover pieces portion realize minimizing, make the moment of generation reach maximization simultaneously for making adjacent excellent tail.
Cut off thin plate 64 along the circumferential direction, by spiral type, folding with the spiral process, adjacent connection thin plate part 63a forms the long and narrow hole of being separated by mutually, is the d stage so that insert permanent magnet.
Cutting off thin plate 64 and form with certain thickness, along folding direction, connect thin plate, is the e stage to be assembled into folded sheet 65.
In the space that between the rotor T of folded sheet 65 type post portion, forms, be pressed into a plurality of permanent magnet 66, adjacent permanent magnet 66 with the N utmost point and S extremely in the identical utmost point insert relative to each other.
The manufacture method of the rotor of other wheel spoke type electric motors of present embodiment identical with shown in Fig. 7, between the magnetic thin plate 70a, the 70b that connect the thin plate two ends, the middle 3 layers of thin plate 70 arranging nonmagnetic material thin plate 70c that use.During fabrication, 3 layers of thin plate 70 have been aligned to 3 layers and have produced.Be the magnetic on the both sides that make 3 layers of thin plate 70 have part ownership the rotor T type post 71a of portion, 72a, the nonmagnetic material of central authorities have part ownership yoke circle 71b|, 72b are a stage, b stage and cut off thin plate.
In 3 layers of thin plate 70, from the part that the magnetic part is connected with nonmagnetic material, form on both sides on the face of magnetic, along the length direction that connects thin plate, constantly be formed with rod and the excellent portion of the rotor T type post 71a of portion, 72a.On the face of nonmagnetic material, the length direction along connecting thin plate constantly is formed with yoke circle 71b, 72b, and is cut off.
For making adjacent excellent tail adjacent, reduce leftover pieces part 71c, 72c, edge in the middle of yoke circle 71b, the 72b is cut off up and down.
The below folding process c stage that connects thin plate, the process d stage of connection, be pressed into process e stage of permanent magnet, because they are identical with first embodiment of the present invention, omit its relevant explanation.
Claims (7)
1, a kind of manufacture method of wheel spoke type electric motor rotor, it is characterized in that, part from the connection thin plate that is connected with the length direction of nonmagnetic material according to magnetic, to in order to make on the face of magnetic, length direction according to connecting thin plate constantly forms rotor T type post, with on the face of nonmagnetic material, according to the length direction that connects thin plate, constantly form the yoke circle and the punching course that carries out punching press; The thin plate that is stamped according to circumferencial direction, the folding process that folds with the spiral process; The thin plate that is folded, when forming annular by certain thickness, the assembling process that connects according to folding direction; Between rotor T type post portion, the process of press in that is pressed into permanent magnet is formed.
2, the manufacture method of a kind of wheel spoke type electric motor rotor according to claim 1 is characterized in that, connects the thin plate welding and vertically the magnetic thin plate and the nonmagnetic material thin plate of certain-length.
3, the manufacture method of a kind of wheel spoke type electric motor rotor according to claim 1 is characterized in that, connects thin plate and connect the nonmagnetic material thin plate between two magnetic thin plates.
4, the rotor of a kind of wheel spoke type electric motor of the manufacture method of a kind of wheel spoke type electric motor rotor according to claim 1 manufacturing, comprise by with the inside that is installed in stator, with stator by certain hole, separate a plurality of rotor T type posts of radial arrangement mutually to circumferencial direction; Between rotor T type post, insert the rotor of permanent magnet; It is characterized in that in centre of rotor portion, being formed with the yoke circle of the nonmagnetic material that connects a plurality of rotor T type post one sides.
5, the rotor of a kind of wheel spoke type electric motor according to claim 4 is characterized in that, the yoke circle is an annular.
6, the rotor of a kind of wheel spoke type electric motor according to claim 4 is characterized in that, on the yoke circle, the rotating shaft for connection utilizes motor to be rotated is formed with flange.
7, the rotor of a kind of wheel spoke type electric motor according to claim 4 is characterized in that, on the yoke circle, the rotating shaft for connection utilizes motor to be rotated is formed with groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100721336A CN100474742C (en) | 2004-09-24 | 2004-09-24 | Rotor of wheel spoke type electric motor and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100721336A CN100474742C (en) | 2004-09-24 | 2004-09-24 | Rotor of wheel spoke type electric motor and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1753282A CN1753282A (en) | 2006-03-29 |
| CN100474742C true CN100474742C (en) | 2009-04-01 |
Family
ID=36680001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100721336A Expired - Fee Related CN100474742C (en) | 2004-09-24 | 2004-09-24 | Rotor of wheel spoke type electric motor and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100474742C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015022804A2 (en) * | 2013-08-14 | 2015-02-19 | Yamaha Hatsudoki Kabushiki Kaisha | Synchronous drive motor |
| DE102018121062A1 (en) * | 2018-08-29 | 2020-03-05 | Schaeffler Technologies AG & Co. KG | Method and device for producing a spoke rotor for an electrical machine |
-
2004
- 2004-09-24 CN CNB2004100721336A patent/CN100474742C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1753282A (en) | 2006-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10998784B2 (en) | Appliance, motor or stator | |
| KR101654392B1 (en) | Electric machine - modular | |
| JP4561770B2 (en) | Axial gap type rotating electrical machine and manufacturing method thereof | |
| CN101093951B (en) | Axial air-gap type motor | |
| CN204156622U (en) | Stator punching, motor and compressor | |
| US4197475A (en) | Direct current motor with double layer armature windings | |
| WO2010039786A2 (en) | Electric machine | |
| CN102882332A (en) | Transverse switched reluctance motor | |
| CN104871403A (en) | A spoke permanent magnet rotor | |
| CN202475212U (en) | Permanent-magnet brushless motor for axial magnetic field | |
| JP6002020B2 (en) | Rotating electric machine | |
| CN103683596A (en) | Permanent magnet rotating electrical machine | |
| CN102624183A (en) | Permanent-magnet axial-magnetic-field brushless motor and assembling method thereof | |
| CN201947136U (en) | Axial air gap type motor | |
| JP2012029368A (en) | Rotary electric machine and manufacturing method of the same | |
| CN101741199A (en) | Methods and apparatus for a permanent magnet machine with an added air barrier | |
| CN106487115A (en) | Motor | |
| CN107204693A (en) | Electric rotating machine, traction machine and elevator | |
| CN104242495A (en) | Motor stator and motor with motor stator | |
| CN100477455C (en) | Motor | |
| CN103812290A (en) | Transverse flux permanent magnet motor | |
| CN102118092A (en) | Composite-rotor brushless double-fed alternating current motor | |
| CN103036325B (en) | Non-iron-core permanent disc type motor stator and assembly method thereof | |
| CN105958753A (en) | Method of producing embedded permanent magnet steel and invisible magnetic pole drive motor rotor | |
| CN100474742C (en) | Rotor of wheel spoke type electric motor and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090401 |