CN2484689Y - Polar-piece structure of motor stator - Google Patents
Polar-piece structure of motor stator Download PDFInfo
- Publication number
- CN2484689Y CN2484689Y CN 01229239 CN01229239U CN2484689Y CN 2484689 Y CN2484689 Y CN 2484689Y CN 01229239 CN01229239 CN 01229239 CN 01229239 U CN01229239 U CN 01229239U CN 2484689 Y CN2484689 Y CN 2484689Y
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- China
- Prior art keywords
- pole
- face
- line
- pole piece
- motor stator
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Abstract
The utility model relates to polar-piece structure of motor stator. The coil is reeled on the coil holder. The polar-piece is arranged respectively on both ends of coil holder. The polar-piece respectively has the extended polar face, and a lip is provided at the highest point of extended polar surface. The lip position is not fallen on the centerline that is perpendicular to polar piece and extended from the center point of bottom end on the polar face, but is fallen on the side of centerline. A non-straight-line connection line is provided on two sides of lip and polar piece. The two connection lines consist of the edge line of platform, with different lines.
Description
The utility model relates to a kind of pole piece structure of motor stator, the pole piece that refers in particular to the Brushless DC motor stator improves, make it can be under the situation of the rotary torsion that increases motor, can make motor be easy to start and can reduce the pole piece structure of the motor stator of magnetic torsion simultaneously.
Shown in Fig. 1,2, announce the prior art of No. 215750 " the long-pending yoke sheet improvement of cooling fan motor stator " for the Taiwan patent gazette, the Brushless DC motor that it disclosed, system is combined in the upper and lower end of a coil groups 93 by superior pole piece 91, inferior pole piece 92, this superior pole piece 91, inferior pole piece 92 are that each vertical extent has magnetic pole strength 94, because therefore the setting of nuclear-magnetism pole-face 94, can increase the rotor rotary torsion.This prior art is to make rotor be easy to start and avoid the dead angle of rotor rotation, unfilled corner 95 is established in corner position at magnetic pole strength 94, but, the permanent magnet of rotor system forms because being staggered by the N.S magnetic pole, and this rotor is the field drives by stator coil produced, when so the N.S magnetic pole of the rotor permanent magnet of this prior art becomes conversion with respect to the magnetic pole strength of the upper and lower pole piece of stator, cogging or uneven phenomenon promptly can take place, that is are commonly called as magnetic torsion phenomenon.Therefore, as shown in Figure 1, 2, the edge line 96 of at least one side of this magnetic pole strength 94 is tied to form the straight line perpendicular to upper and lower pole piece 91,92, and it produces tangible magnetic torsion phenomenon in the time of can making rotor rotation, and the rotor flutter phenomenon that this magnetic torsion produces when rotating speed is low is more obvious especially.
The purpose of this utility model is: the defective that overcomes prior art, a kind of pole piece structure of new motor stator is provided, it has bigger rotor and magnetic pole of the stator induction area mutually, to increase the rotary torsion of rotor, and this pole piece can also impel rotor to be easy to start, the magnetic torsion phenomenon when reducing the motor rotation.
The purpose of this utility model realizes by following technological means: a kind of pole piece structure of motor stator is characterized in that: comprise a coil holder, be wound with coil; Two pole pieces are located at the two ends of coil holder respectively, and two pole pieces respectively have vertically extending pole-face, and the highest order of pole-face has an ora terminalis, and ora terminalis is positioned at by this pole-face bottom intermediate point and is extended and perpendicular to the side of the center line y of pole piece.
Respectively have a non-directional connecting line respectively between the pole-face ora terminalis of the pole piece structure of described a kind of motor stator and the dual-side of each pole piece, two connecting lines constitute the edge line of this pole-face, and each connecting line becomes the lines of curve inequality.Connecting line in two connecting lines can form folding line, an oblique line and a camber line of a curve, tool one bending angle.
Outstanding advantage of the present utility model shows: do not have the induction dead angle between the permanent magnet of rotor and pole-face, make this rotor be easy to start, the pole-face edge line of this stator pole piece forms folding line or the oblique line or the camber line of curve, tool bending, therefore the magnetic torsion phenomenon during rotor rotation is more not obvious, the vibration problem in the time of can solving the rotor rotation substantially.
Below in conjunction with accompanying drawing and embodiment structure of the present utility model is further described.
Fig. 1 is the exploded perspective view of prior art structure
Fig. 2 is the front elevation of the pole piece of prior art structure
Fig. 3 is the first embodiment exploded perspective view of the present utility model
Fig. 4 makes up front elevation for first embodiment of the present utility model
Fig. 5 makes up front elevation for second embodiment of the present utility model
Fig. 6 makes up front elevation for the 3rd embodiment of the present utility model
As shown in Figure 3, be a preferred embodiment of the present utility model, be made of a coil holder 1 and at least two pole pieces 2 that a coil holder 1 is wound with coil 11, coil 11 has line end 12 and can be used as power supply and draw and connect.Pole piece 2 is made by magnetic conductive material, in this preferred embodiment the both ends of the surface that are located at coil holder 1 with the two poles of the earth sheet 2 at least respectively, two pole pieces 2 each towards near the direction vertical extent pole-face 21 being arranged mutually, and around set each pole-face of two pole pieces 2 is 21 interlaced, ring is located at coil holder 1.
As shown in Figure 4, each pole-face 21 be by pole piece 2 vertically to extending to form, and the highest order of this extended pole-face 21 has an ora terminalis 22, this ora terminalis 22 is to be positioned at that pole-face 21 bottom intermediate points 20 extend and perpendicular to the side of the center line y of pole piece 2, that is this ora terminalis 22 does not drop on the center line y of this pole-face 21, and the ora terminalis 22 of this pole-face 21 respectively has a non-directional connecting line with the dual-side of pole piece 2, the curve 23 that this two connecting line is a curved arc inequality, curve 23 is the edge line that constitutes this pole-face 21, therefore, when the pole-face 21 of the rotor permanent magnet with N.S magnetic pole and this edge line formation curve 23 is responded to mutually, do not have the induction dead angle, and the magnetic torsion phenomenon during rotor rotation is more not obvious.The vibration that does not almost produce when therefore rotor rotates because of magnetic torsion phenomenon.
As shown in Figure 5, be second preferred embodiment of the present utility model, each pole-face 21 of this embodiment also has an ora terminalis 22, and ora terminalis 22 positions of this pole-face 21 also do not drop on by this pole-face 21 bottom intermediate points 20 extended and center line y perpendicular to pole piece on, the ora terminalis 22 and the pole piece 2 dual-side connecting lines of this pole-face 21 form the folding line 25 with a bending angle 24 respectively, and two folding lines 25 of these formation pole-face 21 edge lines have different bending angles and different length, therefore, when the rotor permanent magnet with N.S magnetic pole is responded to mutually with the pole-face 21 that is made of two folding lines 25, can not produce the problem at induction dead angle, and the magnetic torsion phenomenon during rotor rotation does not almost have, the vibration problem in the time of therefore can solving the rotor rotation substantially.
As shown in Figure 6, be the 3rd preferred embodiment of the present utility model, the pole-face 21 of this embodiment also has an ora terminalis 22, and the ora terminalis 22 of this pole-face 21 also do not drop on by this pole-face 21 bottom intermediate points 20 extended and center line y perpendicular to pole piece 2 on, the ora terminalis 22 of this pole-face 21 forms a direct-connected oblique line 26 respectively with the linear system that is connected of pole piece 2 dual-sides, an and camber line 27, therefore, when the rotor permanent magnet of tool N.S magnetic pole and this edge line pole-face 21 that to be an oblique line 26 constitute with camber line 27 is responded to mutually, can not produce the induction dead angle, and the magnetic torsion during rotor rotation is more not obvious, can solve rotor vibration problem when rotated substantially.
Claims (6)
1, a kind of pole piece of motor stator structure is characterized in that: comprise a coil holder, be wound with coil; Two pole pieces are located at the two ends of coil holder respectively, and two pole pieces respectively have vertically extending pole-face, and the highest order of pole-face has an ora terminalis, and ora terminalis is positioned at by this pole-face bottom intermediate point and is extended and perpendicular to the side of the center line y of pole piece.
2, the pole piece of a kind of motor stator according to claim 1 structure, it is characterized in that: respectively have a non-directional connecting line between the dual-side of pole-face ora terminalis and each pole piece respectively, two connecting lines constitute the edge line of this pole-face, and each connecting line becomes the lines of curve inequality.
3, the pole piece of a kind of motor stator according to claim 2 structure, it is characterized in that: the connecting line in two connecting lines can form a curve.
4, the pole piece of a kind of motor stator according to claim 2 structure, it is characterized in that: the connecting line in two connecting lines can form the folding line of tool one bending angle.
5, the pole piece of a kind of motor stator according to claim 2 structure, it is characterized in that: the connecting line in two connecting lines can form an oblique line.
6, the pole piece of a kind of motor stator according to claim 2 structure, it is characterized in that: the connecting line in two connecting lines can form a camber line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01229239 CN2484689Y (en) | 2001-06-27 | 2001-06-27 | Polar-piece structure of motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01229239 CN2484689Y (en) | 2001-06-27 | 2001-06-27 | Polar-piece structure of motor stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2484689Y true CN2484689Y (en) | 2002-04-03 |
Family
ID=33644144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01229239 Expired - Lifetime CN2484689Y (en) | 2001-06-27 | 2001-06-27 | Polar-piece structure of motor stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2484689Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904356A (en) * | 2011-07-27 | 2013-01-30 | 元山科技工业股份有限公司 | Thin type motor |
-
2001
- 2001-06-27 CN CN 01229239 patent/CN2484689Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904356A (en) * | 2011-07-27 | 2013-01-30 | 元山科技工业股份有限公司 | Thin type motor |
| CN102904356B (en) * | 2011-07-27 | 2015-11-25 | 元山科技工业股份有限公司 | Thin type motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Kunshan Guangxing Electronics Co., Ltd. Assignor: Jianzhun Electric Motor Industry Co., Ltd. Contract fulfillment period: In June 27, 2011, the patent expired Contract record no.: 031000030101 Denomination of utility model: Pole piece structure of motor stator Granted publication date: 20020403 License type: General permission Record date: 2003.5.28 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: COMMON LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2011.6.27, EXPIRATION OF PATENT RIGHT Name of requester: KUNSHAN GUANGXING ELECTRONICS CO., LTD. Effective date: 20030528 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Kunshan Guangxing Electronics Co., Ltd. Assignor: Jianzhun Electric Motor Industry Co., Ltd. Contract fulfillment period: Contract performance deadline June 27, 2011 Contract record no.: Contract filing No. 031000030101 Denomination of utility model: The utility model relates to a pole piece structure of a motor stator Granted publication date: 20020403 License type: License type general permission Record date: 20030528 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: COMMON LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2011.6.27 Name of requester: KUNSHAN GUANGXING ELECTRONICS CO., LTD. Effective date: 20030528 |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110627 Granted publication date: 20020403 |