CN102420514A - Axial winding motor - Google Patents
Axial winding motor Download PDFInfo
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- CN102420514A CN102420514A CN2010102932360A CN201010293236A CN102420514A CN 102420514 A CN102420514 A CN 102420514A CN 2010102932360 A CN2010102932360 A CN 2010102932360A CN 201010293236 A CN201010293236 A CN 201010293236A CN 102420514 A CN102420514 A CN 102420514A
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Abstract
The invention discloses an axial winding motor, comprising a stator and a rotor. The stator includes a first magnetic conductive sheet and a second magnetic conductive sheet, wherein the first and the second magnetic conductive sheets are respectively combined with two ends of a winding assembly in an axial direction, the first and the second magnetic conductive sheets are respectively provided with a plurality of first and second pole pieces, each first pole piece is positioned at the periphery of the first magnetic conductive sheet, and each second pole piece is positioned at the periphery of the second magnetic conductive sheet. The rotor is provided with a plurality of magnetic pole faces towards the stator. Any first pole piece is at least partly overlapped with the adjacent second pole piece in the axial direction of the stator.
Description
Technical field
The present invention is relevant for a kind of axial coiling motor, particularly a kind of axial coiling motor with low axial vibration amount.
Background technology
Please referring to figs. 1 through shown in 3; It is existing axial coiling motor, and this motor that axially winds the line comprises a stator 8 and a rotor 9, and this stator 8 supplies received current to produce magnetic force; This rotor 9 is rotating to should being provided with by stator 8, and can respond to the magnetic force that this stator 8 produced and rotate.
In detail, this stator 8 has a wire-winding unit 81, one first magnetic conduction sheet 82 and one second magnetic conduction sheet 83, and this wire-winding unit 81 has a coiling 811 extending axially along this stator 8; This first magnetic conduction sheet 82 is arranged at this wire-winding unit 81 end in the axial direction; And this first magnetic conduction sheet 82 has diode boot 821 and two excitatory 822; Respectively this pole shoe 821 is positioned at the periphery of this first magnetic conduction sheet 82, these two excitatory 822 radially-outer surfaces that lay respectively at this diode boot 821 and be formed at this stator 8; This second magnetic conduction sheet 83 is arranged at this wire-winding unit 81 other end in the axial direction; And this second magnetic conduction sheet 83 also has diode boot 831 and two excitatory 832; Respectively this pole shoe 831 is positioned at the periphery of this second magnetic conduction sheet 83, these two excitatory 832 radially-outer surfaces that lay respectively at this diode boot 831 and be formed at this stator 8.Wherein, this stator 8 axially on, arbitrary pole shoe 821 of this first magnetic conduction sheet 82 is all not overlapping with arbitrary pole shoe 831 of this second magnetic conduction sheet 83.In addition; This rotor 9 have an annular magnet 91 along the outer peripheral face extended loop of this stator 8 around this stator 8; This annular magnet 91 has several magnetic pole strengths 911 towards this stator 8, and these several magnetic pole strengths 911 are as shown in Figure 3, is several N magnetic pole strengths and the S magnetic pole strength that is crisscross arranged.Whereby, when electric current input should coiling 811 the time, two excitatory 822,832 of this two magnetic conduction sheet 82,83 promptly distinguish excitatory generation two N magnetic poles and two S magnetic poles, and (promptly these two excitatory 822 is two N magnetic poles, and these two excitatory 832 be two S magnetic poles; Perhaps, these two excitatory 822 is two S magnetic poles, and these two excitatory 832 is two N magnetic poles), and then promote this rotor 9 with these several magnetic pole strength 911 mutual exclusions of this rotor 9 and rotate.
Yet; Because this two magnetic conduction sheet 82,83 lays respectively at axial two ends of this wire-winding unit 81, and on the circumference of this stator 8, this excitatory 822,832 is crisscross arranged; Therefore when promoting this annular magnet 91 at this N magnetic pole of excitatory formation and S magnetic pole; This N magnetic pole and S magnetic pole this annular magnet 91 of repulsion two ends in the axial direction that misplace respectively cause this rotor 9 to be easy to when rotating, produce bigger axial vibration, and also have bigger cogging torque (Cogging Torque).Therefore, be necessary the existing axially coiling motor that further improvement is above-mentioned.
Summary of the invention
The object of the invention is that a kind of axial coiling motor is provided, and when it can turn round in the rotor of CD-ROM drive motor, reaches the effect that reduces rotor axial vibration and cogging torque.
Another object of the present invention is that a kind of axial coiling motor is provided, and when it can and produce axial vibration in the rotor running, bigger axial restoring force is provided.
Technological means of the present invention is: a kind of axial coiling motor, it comprises a stator and a rotor.This stator has one first magnetic conduction sheet and one second magnetic conduction sheet; This first and second magnetic conduction sheet is incorporated into a wire-winding unit two ends in the axial direction respectively; This first magnetic conduction sheet has several first pole shoes; Respectively this first pole shoe is positioned at the periphery of this first magnetic conduction sheet, and this second magnetic conduction sheet has several second pole shoes, and respectively this second pole shoe is positioned at the periphery of this second magnetic conduction sheet.This rotor is rotating to should the stator setting, and this rotor has several magnetic pole strengths towards this stator.Wherein, arbitrary first pole shoe this stator axially on overlap at least with the second adjacent pole shoe.
Technological means of the present invention comprises in addition: several magnetic pole strengths of this rotor form several different magnetic area along the circumference of this rotor, extending axially of parallel this rotor of this different magnetic area respectively, and respectively this different magnetic area all has an at least one S magnetic pole strength and a N magnetic pole strength.
Description of drawings
Fig. 1: the exploded perspective view of existing axial coiling motor.
Fig. 2: the combination top view of existing axial coiling motor.
Fig. 3: the expanded view of the magnetic pole strength of the rotor of existing axial coiling motor.
Fig. 4: the exploded perspective view of the axial coiling motor of preferred embodiment of the present invention.
Fig. 5: the combination top view of the axial coiling motor of preferred embodiment of the present invention.
Fig. 6: the combination top view of axial another execution mode of coiling motor of preferred embodiment of the present invention.
Fig. 7: the combination top view of the another execution mode of axial coiling motor of preferred embodiment of the present invention.
Fig. 8: the expanded view of the magnetic pole strength of the rotor of the axial coiling motor of preferred embodiment of the present invention.
Fig. 9: the expanded view of the magnetic pole strength of another execution mode of the rotor of the axial coiling motor of preferred embodiment of the present invention.
The main element symbol description:
1 stator, 11 wire-winding units, 111 first axial ends
112 second axial ends, 113 coilings, 114 axis holes
12 first magnetic conduction sheets, 121 open-works, 122 first pole shoes
123 first excitatory 13 second magnetic conduction sheet 131 open-works
133 second excitatory 2 rotors of 132 second pole shoes
21 rotating shafts, 22 magnet, 221 magnetic pole strengths
The 221a first ring magnetic surface 221b second ring magnetic surface 222 different magnetic area
811 coilings, 82 first magnetic conduction sheets, 821 pole shoes
822 excitatory 83 second magnetic conduction sheet 831 pole shoes
832 excitatory 9 rotors
91 annular magnets, 911 magnetic pole strengths
Embodiment
For letting the present invention above-mentioned and other purposes, characteristic and the advantage can be more obviously understandable, hereinafter is special lifts preferred embodiment of the present invention, and conjunction with figs., elaborates as follows:
Please with reference to shown in Figure 4; It is the exploded perspective view of the axial coiling motor of preferred embodiment of the present invention; Wherein the axial coiling motor of this preferred embodiment comprises a stator 1 and a rotor 2; This stator 1 supplies received current to produce magnetic force, and this rotor 2 is rotating to should being provided with by stator 1, and the magnetic force that produced by this stator 1 orders about and is rotated.
In detail, please with reference to shown in Fig. 4 and 5, the stator 1 of the axial coiling motor of preferred embodiment of the present invention comprises a wire-winding unit 11, one first magnetic conduction sheet 12 and one second magnetic conduction sheet 13.This wire-winding unit 11 extends axially and has one first axial end 111, one second axial end 112, a coiling 113 and one axis hole 114 along this stator 1; This two axial end 111,112 forms this wire-winding unit 11 two ends in the axial direction; This coiling 113 extends axially in this two axial end 111, between 112 around this wire-winding unit 11, and this axis hole 114 is then along this two axial end 111,112 of axial connection of this wire-winding unit 11.This first magnetic conduction sheet 12 is incorporated into first axial end 111 of this wire-winding unit 11; And this first magnetic conduction sheet 12 has an open-work 121, several first pole shoes 122 and several first excitatory 123; This open-work 121 passes the center of this first magnetic conduction sheet 12 and aligns this axis hole 114; Respectively this first pole shoe 122 is positioned at the periphery of this first magnetic conduction sheet 12, this several first excitatory 123 radially-outer surface that lays respectively at this several first pole shoe 122 and be formed at this stator 1.This second magnetic conduction sheet 13 is incorporated into second axial end 112 of this wire-winding unit 11; And this second magnetic conduction sheet 13 also has an open-work 131, several second pole shoes 132 and several second excitatory 133; This open-work 131 passes the center of this second magnetic conduction sheet 13 and aligns this axis hole 114; Respectively this second pole shoe 132 is positioned at the periphery of this second magnetic conduction sheet 13, this several second excitatory 133 radially-outer surface that lays respectively at this several second pole shoe 132 and be formed at this stator 1.
Please with reference to shown in Fig. 4 to 6, the rotor 2 of the axial coiling motor of preferred embodiment of the present invention comprises a rotating shaft 21 and a magnet 22.This rotating shaft 21 is positioned at the center of this rotor 2, and this rotating shaft 21 extends through this open-work 121, axis hole 114 and open-work 131.This magnet 22 is provided with around this rotating shaft 21, and the inner peripheral surface of this magnet 22 has several magnetic pole strengths 221 towards this stator 1.
Axial coiling motor of the present invention is characterised in that: this stator 1 axially on, arbitrary first pole shoe 122 is overlapped with the second adjacent pole shoe 132 at least.In other words, be example with stator shown in Figure 51, arbitrary first pole shoe 122 this stator 1 axially on overlapping fully with the second adjacent pole shoe 132, promptly this first magnetic conduction sheet 12 and the second magnetic conduction face 13 extend in parallel along equidirectional; Perhaps, as shown in Figure 6, also can be provided with arbitrary first pole shoe 122 this stator 1 axially on overlap with the second adjacent pole shoe 132.In addition; Another kind of execution mode with stator shown in Figure 71 is an example; Even the quantity of second pole shoe 132 of first pole shoe 122 of this first magnetic conduction sheet 12 and this second magnetic conduction face 13 respectively is four, still can be provided with arbitrary first pole shoe 122 this stator 1 axially on overlap with the second adjacent pole shoe 132.
In addition; Shown in Fig. 8 and 9; Set-up mode corresponding to this stator 1; Several magnetic pole strengths 221 of this rotor 2 form several different magnetic area 222 along the circumference of this rotor 2, and respectively this different magnetic area 222 is parallel to extending axially of this rotor 2 by the inner surface of this magnet 22, and respectively this different magnetic area 222 all has an at least one S magnetic pole strength and a N magnetic pole strength.In detail; This different magnetic area 222 can see through multiple set-up mode and realize; For example: as shown in Figure 8; Several magnetic pole strengths 221 of this magnet 22 can form one first ring magnetic surface 221a and one second ring magnetic surface 221b, and wherein respectively this ring magnetic surface 221a, 221b all have at least one N magnetic pole strength and at least one S magnetic pole strength, and this first ring magnetic surface 221a and second encircles the axially-aligned of magnetic surface 22b along this rotor 2; Make this first ring magnetic surface 221a first excitatory 122 towards this first magnetic conduction sheet 12, this second ring magnetic surface 221b is then towards second excitatory 132 of this second magnetic conduction sheet 13; Yet, also can only plan the bearing of trend of these several magnetic pole strengths 221, make this bearing of trend and this rotor 2 axially between form an inclination angle phi, and then form this several different magnetic area 222.
Whereby; Since this first pole shoe 122 and this second pole shoe 132 this stator 1 axially on overlap at least; So upwards, the angle between the bearing of trend of the bearing of trend of this first magnetic conduction sheet 12 and this second magnetic conduction sheet 13 is less in the footpath of this stator 1, so when the coiling 113 of the axial coiling motor of input current to preferred embodiment of the present invention; The repulsive force component in the axial direction of these first excitatory 123 and second excitatory 133 pairs of these magnet 22 is repealed by implication; Reach the purpose of the axial vibration that reduces rotor 2, and can reduce cogging torque simultaneously, and when generation moves axially, have higher axial restoring force.
Claims (6)
1. axial coiling motor is characterized in that it comprises:
A stator; Have one first magnetic conduction sheet and one second magnetic conduction sheet; This first and second magnetic conduction sheet is incorporated into a wire-winding unit two ends in the axial direction respectively, and this first magnetic conduction sheet has several first pole shoes, and respectively this first pole shoe is positioned at the periphery of this first magnetic conduction sheet; This second magnetic conduction sheet has several second pole shoes, and respectively this second pole shoe is positioned at the periphery of this second magnetic conduction sheet;
A rotor, rotating to should the stator setting, and this rotor has several magnetic pole strengths towards this stator;
Wherein, any first pole shoe this stator axially on overlap at least with the second adjacent pole shoe.
2. axial coiling motor according to claim 1; It is characterized in that; Several magnetic pole strengths of this rotor form several different magnetic area along the circumference of this rotor; Extending axially of parallel this rotor of this different magnetic area respectively, and respectively this different magnetic area all has at least one S magnetic pole strength and at least one N magnetic pole strength.
3. axial coiling motor according to claim 1 and 2 is characterized in that, several magnetic pole strengths of this rotor form one first ring magnetic surface and one second ring magnetic surface along the circumference of this rotor, and this first ring magnetic surface and the second ring magnetic surface are along the axially-aligned of this rotor.
4. axial coiling motor according to claim 2 is characterized in that, the bearing of trend of these several magnetic pole strengths and this rotor axially between form an inclination angle, to form this several different magnetic area.
5. according to claim 1,2 or 4 described axial coiling motors, it is characterized in that, wherein any first pole shoe this stator axially on overlapping fully with the second adjacent pole shoe.
6. axial coiling motor according to claim 3 is characterized in that, wherein any first pole shoe this stator axially on overlapping fully with the second adjacent pole shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102932360A CN102420514A (en) | 2010-09-27 | 2010-09-27 | Axial winding motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102932360A CN102420514A (en) | 2010-09-27 | 2010-09-27 | Axial winding motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102420514A true CN102420514A (en) | 2012-04-18 |
Family
ID=45944787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102932360A Pending CN102420514A (en) | 2010-09-27 | 2010-09-27 | Axial winding motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102420514A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2468215Y (en) * | 2001-03-13 | 2001-12-26 | 建准电机工业股份有限公司 | Axial winding coil base |
| CN1625825A (en) * | 2002-01-30 | 2005-06-08 | 拉蒙·A·卡马尼奥 | High-frequency motor or generator |
| US20060055266A1 (en) * | 2004-09-16 | 2006-03-16 | Mitsubishi Denki Kabushiki Kaisha | Sintered ring magnet |
| US7075205B2 (en) * | 2004-05-06 | 2006-07-11 | Delta Electronics, Inc. | Rotor and stator structure of motor |
-
2010
- 2010-09-27 CN CN2010102932360A patent/CN102420514A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2468215Y (en) * | 2001-03-13 | 2001-12-26 | 建准电机工业股份有限公司 | Axial winding coil base |
| CN1625825A (en) * | 2002-01-30 | 2005-06-08 | 拉蒙·A·卡马尼奥 | High-frequency motor or generator |
| US7075205B2 (en) * | 2004-05-06 | 2006-07-11 | Delta Electronics, Inc. | Rotor and stator structure of motor |
| US20060055266A1 (en) * | 2004-09-16 | 2006-03-16 | Mitsubishi Denki Kabushiki Kaisha | Sintered ring magnet |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120418 |
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| WD01 | Invention patent application deemed withdrawn after publication |