CN100561827C - Motor and stator structure thereof - Google Patents
Motor and stator structure thereof Download PDFInfo
- Publication number
- CN100561827C CN100561827C CNB2006100620368A CN200610062036A CN100561827C CN 100561827 C CN100561827 C CN 100561827C CN B2006100620368 A CNB2006100620368 A CN B2006100620368A CN 200610062036 A CN200610062036 A CN 200610062036A CN 100561827 C CN100561827 C CN 100561827C
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- Prior art keywords
- pole piece
- tongue
- motor
- hollow shaft
- shaft housing
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Abstract
A kind of motor stator structure, comprise stator group, this stator pack comprises a coil holder and is located at first of these coil holder two ends respectively, second pole piece, this first pole piece extends to form some first pole pieces towards this second pole piece bending, this second pole piece extends to form some second pole pieces towards this first pole piece bending, described first, second pole piece is along the interlaced setting of the circumferencial direction of stator pack, adjacent first, the circumferencial direction of the side upper edge stator pack of second pole piece pole piece is wherein established first tongue to evagination, and corresponding described first tongue is along inside recessed formation first rescinded angle of the circumferencial direction of stator pack on the side of another pole piece.
Description
Technical field
The present invention relates to a kind of motor, particularly relates to a kind of motor and stator structure thereof.
Background technology
Along with the science and technology and the continuous development of modern industry, motor has been widely used in the product such as fan.Figure 7 shows that the structural representation of the pole piece of fan motor stator in the prior art, it in this structure the end that bends the same side of the upper and lower pole piece 211,221 that extends at upper and lower pole piece 21,22, difference rescinded angle 212,222, make upper and lower pole piece 211,221 both sides be subjected to the area difference of the permanent magnet induction of rotor (figure does not show), thereby the magnetic force difference that upper and lower pole piece 211,221 both sides are excited, rotor are therefore according to predetermined direction rotation.
Though can make upper and lower pole piece 211,221 both sides produce different magnetic force in the said structure, thereby driving rotor rotates according to predetermined direction, but, the area that the permanent magnet that these upper and lower pole piece 211,221 meetings reduce rotor owing to its rescinded angle 212,222 is responded to, and then the suffered rotation torsion of rotor is reduced, therefore need be improved.
Summary of the invention
In view of this, be necessary to provide a kind of rotor does not reduce to rotate torsion according to the predetermined direction rotation motor and stator structure thereof that drive.
A kind of motor, comprise a shell block, one is located at the stator group on this shell block and is located at a rotor on this stator pack, this stator pack comprises a circuit board, be located at the coil holder on this circuit board, axially be wound in the coil windings on this coil holder and be located at first of these coil holder two ends respectively, second pole piece, described first pole piece extends to form some first pole pieces from its outer rim, described second pole piece extends to form some and above-mentioned first pole piece from its outer rim and is staggered second pole piece that is provided with, the circumferencial direction of the side upper edge stator pack of each first pole piece is established a tongue to evagination, and corresponding described tongue is along inside recessed formation one rescinded angle of the circumferencial direction of stator pack on the side of each second pole piece.
A kind of motor stator structure, comprise stator group, this stator pack comprises a coil holder and is located at first of these coil holder two ends respectively, second pole piece, this first pole piece extends to form some first pole pieces towards this second pole piece bending, this second pole piece extends to form some second pole pieces towards this first pole piece bending, described first, second pole piece is along the interlaced setting of the circumferencial direction of stator pack, adjacent first, the circumferencial direction of the side upper edge stator pack of second pole piece pole piece is wherein established first tongue to evagination, and corresponding described first tongue is along inside recessed formation first rescinded angle of the circumferencial direction of stator pack on the side of another pole piece.
Compared with prior art, said motor is by the prominent tongue of establishing on the pole piece of its stator pack, except that can guaranteeing the normal startup of motor, also can increase the area of pole piece, and then increase the induction area of the permanent magnet in these pole pieces and this motor rotor, and increase the magnetic conduction flux of these pole pieces and coil holder, make this motor have bigger rotation torsion.
Description of drawings
Fig. 1 is the three-dimensional exploded view of a preferred embodiment of motor of the present invention.
Fig. 2 is the structural representation of the upper and lower insulating trip in the motor shown in Figure 1.
Fig. 3 A is the structural representation of the upper pole piece in the motor shown in Figure 1.
Fig. 3 B is the structural representation of the lower magnetic pole sheet in the motor shown in Figure 1.
Fig. 4 is the decomposing schematic representation of another angle of lower magnetic pole sheet in the motor shown in Figure 1 and circuit board.
Fig. 5 is the three-dimensional assembly diagram of the stator pack in the motor shown in Figure 1.
Fig. 6 is the three-dimensional assembly diagram of motor shown in Figure 1.
Fig. 7 is the structural representation of the pole piece of motor stator in the prior art.
Embodiment
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Figure 1 shows that the three-dimensional exploded view of a preferred embodiment of motor 10 of the present invention, this motor 10 comprises a stator group 12 and a rotor 16, and this stator pack 12 is arranged on the shell block 18, and this rotor 16 covers on this stator pack 12.
This rotor 16 comprises some flabellums 162 that a wheel hub 161 reaches around this wheel hub 161, be provided with permanent magnet (figure does not show) in this wheel hub 161, extend to form a rotating shaft (figure does not show) under these wheel hub 161 mediads, these shell block 18 centre positions are provided with a center pillar 181 that is arranged in this stator pack 12, be provided with bearing 182 in the center pillar 181, bearing 182 centers are axially arranged with an axis hole 183 and supply the rotating shaft of rotor 16 to wear, with support rotor 16 rotations.
This stator pack 12 comprises a coil holder 121, is located at the upper and lower pole piece 122,123 of these coil holder 121 tops and bottom, a coil windings 127 that is wound in coil holder 121 and a circuit board 124 that is electrically connected with this coil windings 127 respectively.
Please be simultaneously with reference to Fig. 2, this coil holder 121 can be the coil holder that is suitable for various DC Brushless Motor, this coil holder 121 comprises the last insulating trip 125 of an annular and the following insulating trip 126 of an annular, the middle part of this time insulating trip 126 extends upward and forms a hollow sleeve 128, this coil windings 127 promptly axially is wound on this hollow sleeve 128 (as shown in Figure 1), be provided with circular holes 129 in the middle of the last insulating trip 125, this circular hole 129 is sheathed on the upper end outer rim of this hollow sleeve 128 so that upper and lower insulating trip 125,126 forms closely cooperates.
Please be simultaneously with reference to Fig. 3 A and Fig. 3 B, this upper and lower pole piece 122,123 is located at insulating trip 125 and this time insulating trip 126 outsides on this respectively, this upper and lower pole piece 122,123 is made by magnetic material, wherein, make as soft magnetic metal material, noncrystalline iron-based magnetic (Amorphous Iron Base), straight iron powder and composite material, soft magnetism nonmetallic materials etc. mainly based on the soft magnetic material of high permeability, low magnetic loss.
This upper pole piece 122 comprises that one is attached at the body 130 of insulating trip 125,130 one-tenth annulars of this body, the sizableness of itself and last insulating trip 125.The center of this body 130 is provided with a through hole 131, and the edge of this through hole 131 radially outward is recessed to form some recesses 132 that along the circumferential direction are provided with at interval along it, forms the convex-concave cross structure with the edge in through hole 131.This body 130 radially outward forms some extreme 134 from its outer rim, these extreme 134 circumferencial direction equi-spaced apart along body 130 are provided with, each end of extreme 134 extends to form a superior pole piece 135 towards these lower magnetic pole sheet 123 vertical bendings, these superior pole pieces 135 are non-regular shape, the left side of each superior pole piece 135 end forms a rescinded angle 136, and a tongue 138 roughly triangular in shape is established to evagination in its terminal right side.
This lower magnetic pole sheet 123 comprises that one is attached at down the body 140 of insulating trip 126, and this body 140 also becomes annular, itself and the sizableness of following insulating trip 126.The center of this body 140 extends upward and forms a hollow shaft housing 141, the external diameter of this hollow shaft housing 141 is slightly less than the internal diameter of the hollow sleeve 128 of this time insulating trip 126, so that this hollow shaft housing 141 can be arranged in this hollow sleeve 128, and the internal diameter of this hollow shaft housing 141 is slightly larger than the external diameter of the center pillar 181 of this shell block 18, so that this center pillar 181 can be arranged in this hollow shaft housing 141.The top of this hollow shaft housing 141 is along its axially upwards prominent several projections 142 of establishing, and these projections 142 along the circumferential direction are provided with at interval, form the convex-concave cross structure with the top in hollow shaft housing 141.This body 140 radially outwards forms some extreme 144 from its outer rim, these extreme 144 are provided with along body 140 circumferencial direction equi-spaced apart, each end of extreme 144 extends to form an inferior pole piece 145 towards these upper pole piece 122 vertical bendings, these inferior pole pieces 145 also are non-regular shape, the left side of each inferior pole piece 145 is in its near-end, promptly the end near this lower magnetic pole sheet 123 forms a rescinded angle 146, its right side then along circumference and dorsad these rescinded angle 146 directions extend to form a tongue 148 roughly triangular in shape, wherein, this tongue 148 is oppositely arranged with this rescinded angle 136, and this tongue 138 is oppositely arranged with this rescinded angle 146.
Figure 4 shows that the decomposing schematic representation of another angle of this lower magnetic pole sheet 123 and circuit board 124, the body 140 downward punching presses of this lower magnetic pole sheet 123 form some salient points 149, then be provided with the plurality of holes 159 that matches with these salient points 149 on this circuit board 124, also be provided with one in the middle of this circuit board 124 and join hole 151, be arranged in wherein for the center pillar 181 of this shell block 18.
Simultaneously with reference to Fig. 5, when assembling this stator pack 12, the hollow shaft housing 141 of this lower magnetic pole sheet 123 is arranged in the hollow sleeve 128 of this coil holder 121, this upper pole piece 122 combines with this lower magnetic pole sheet 123, wherein the recess 132 of the through hole 131 of this upper pole piece 122 is chimeric mutually with the projection 142 of the hollow shaft housing 141 of this lower magnetic pole sheet 123, constitutes magnetism guiding access to make this upper and lower pole piece 122,123 by this hollow shaft housing 141; The superior pole piece 135 of this upper pole piece 122 along the circumferential direction is staggered with the inferior pole piece 145 of this lower magnetic pole sheet 123 and is provided with, the tongue 138 of each superior pole piece 135 stretches to the rescinded angle 146 of an inferior pole piece 145 that is adjacent, and the tongue 148 of each inferior pole piece 145 stretches to the rescinded angle 136 of a superior pole piece 135 that is adjacent.The salient point 149 of this lower magnetic pole sheet 123 matches with hole 159 on this circuit board 124, so that this upper pole piece 122, coil holder 121, lower magnetic pole sheet 123 are positioned on this circuit board 124.
As shown in Figure 6, when assembling this motor 10, this stator pack 12 is arranged on this shell block 18, wherein the center pillar 181 of this shell block 18 is arranged in the hollow shaft housing 141 of joining hole 151 and this lower magnetic pole sheet 123 of this circuit board 124 successively, thereby this rotor 16 is placed on this stator pack 12 and is assembled into motor 10, by the action of a magnetic field driving rotor 16 rotations of the coil windings on the coil holder 121 127 with the permanent magnet of rotor 16.
In the said motor 10, the upper and lower pole piece 135,145 of each of this upper and lower pole piece 122,123 is to its another adjacent upper and lower pole piece 135,145 prominent tongues 138,148 of establishing, compare with traditional motor configuration, except that can guaranteeing motor 10 normal startups, also can increase the area of upper and lower pole piece 135,145, and then increase the induction area of the permanent magnet in these upper and lower pole pieces 135,145 and the rotor 16, and can increase the magnetic conduction flux of these upper and lower pole pieces 135,145 and hollow shaft housing 141, make this motor 10 have bigger rotation torsion.Secondly, upper and lower pole piece 135,145 is provided with tongue 138,148 and rescinded angle 136,146, to form asymmetric setting, can make the left and right sides of upper and lower pole piece 135,145 form the magnetic flux that does not wait, thereby make the induction force of permanent magnet of upper and lower pole piece 122,123 suffered rotors 16 unequal, reduce the generation that motor 10 starts the dead angle phenomenon, to help the startup of motor 10.
Claims (13)
1. motor stator structure, comprise stator group, this stator pack comprises a coil holder and is located at first of these coil holder two ends respectively, second pole piece, extend to form some first pole pieces towards this second pole piece bending on this first pole piece, extend to form some second pole pieces towards this first pole piece bending on this second pole piece, described first, second pole piece is along the interlaced setting of the circumferencial direction of stator pack, it is characterized in that: adjacent first, in second pole piece, wherein the circumferencial direction of the side upper edge stator pack of a pole piece is established first tongue to evagination, and corresponding described first tongue is along inside recessed formation first rescinded angle of the circumferencial direction of stator pack on the side of another pole piece.
2. motor stator structure as claimed in claim 1 is characterized in that: described first tongue and first rescinded angle are all triangular in shape.
3. motor stator structure as claimed in claim 1 is characterized in that: described first tongue is formed on first pole piece away from an end of first pole piece, and described first rescinded angle is formed on second pole piece end near second pole piece.
4. motor stator structure as claimed in claim 1 is characterized in that: described first tongue is formed on second pole piece end near second pole piece, and described first rescinded angle is formed on first pole piece end away from first pole piece.
5. motor stator structure as claimed in claim 1, it is characterized in that: described first tongue is formed at a side of first pole piece, the opposite side of described first pole piece forms second rescinded angle, described first rescinded angle is formed at a side of second pole piece, and the opposite side of described second pole piece is to should second antacoila establishing second tongue.
6. motor stator structure as claimed in claim 5, it is characterized in that: described first tongue and second rescinded angle are formed on first pole piece away from an end of first pole piece, and described first rescinded angle and second tongue are formed on second pole piece end near second pole piece.
7. motor stator structure as claimed in claim 1, it is characterized in that: this first, second pole piece radially outwards forms some extreme respectively from its outer rim, these extremely along the circumferential direction are provided with at interval, and described first, second pole piece forms from these extreme extensions.
8. motor stator structure as claimed in claim 1, it is characterized in that: also comprise a hollow shaft housing that connects first, second pole piece, this hollow shaft housing is extended upward by the wherein center of a pole piece in described first, second pole piece and forms, the top of this hollow shaft housing is along its axially upwards prominent several projections of establishing, these projections along the circumferential direction are provided with at interval, the center of another pole piece is to being provided with a through hole by hollow shaft housing, this through hole sunken inside forms some recesses that along the circumferential direction are provided with at interval, and described recess and described projection are chimeric mutually.
9. motor stator structure as claimed in claim 1, it is characterized in that: this coil holder comprises the last insulating trip of an annular and the following insulating trip of an annular, wherein the middle part of an insulating trip extends to form a hollow sleeve, this hollow sleeve can axially twine thereon for a coil windings, the upper end outer rim that another insulating trip is sheathed on this hollow sleeve closely cooperates with formation, and insulating trip, following insulating trip are located between described first, second pole piece on this.
10. motor stator structure as claimed in claim 1 is characterized in that: this stator pack also comprises a circuit board, and this circuit board is provided with plurality of holes, wherein forms the some salient points that match with described hole on the pole piece.
11. motor, comprise a shell block, be located at the stator group on this shell block and be located at a rotor on this stator pack, this stator pack comprises a circuit board, be located at the coil holder on this circuit board, axially be wound in the coil windings on this coil holder and be located at first of these coil holder two ends respectively, second pole piece, described first pole piece extends to form some first pole pieces from its outer rim, described second pole piece extends to form some and above-mentioned first pole piece from its outer rim and is staggered second pole piece that is provided with, it is characterized in that: the circumferencial direction of the side upper edge stator pack of each first pole piece is established a tongue to evagination, and corresponding described tongue is along inside recessed formation one rescinded angle of the circumferencial direction of stator pack on the side of each second pole piece.
12. motor as claimed in claim 11 is characterized in that: this circuit board is provided with plurality of holes, is formed with some salient points near on the pole piece of circuit board, and described salient point is positioned in the hole of described circuit board.
13. motor as claimed in claim 11, it is characterized in that: also comprise a hollow shaft housing, this hollow shaft housing by in first, second pole piece wherein on the pole piece one extend to form, the top of this hollow shaft housing is provided with several projections, in this first, second pole piece on another pole piece to being provided with a through hole by hollow shaft housing, form some recesses in this through hole, the projection of described recess and hollow shaft housing is chimeric mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100620368A CN100561827C (en) | 2006-08-09 | 2006-08-09 | Motor and stator structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100620368A CN100561827C (en) | 2006-08-09 | 2006-08-09 | Motor and stator structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101123369A CN101123369A (en) | 2008-02-13 |
| CN100561827C true CN100561827C (en) | 2009-11-18 |
Family
ID=39085583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100620368A Expired - Fee Related CN100561827C (en) | 2006-08-09 | 2006-08-09 | Motor and stator structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100561827C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI552490B (en) * | 2014-12-02 | 2016-10-01 | No groove brushless motor structure | |
| CN115704632A (en) * | 2021-08-11 | 2023-02-17 | 青岛海尔电冰箱有限公司 | Magnetic field fresh-keeping storage container and refrigerator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3714484A (en) * | 1970-03-16 | 1973-01-30 | Ducellier & Cie | Rotor assembly for use in a dynamo electric machine |
| US20050156479A1 (en) * | 2004-01-19 | 2005-07-21 | Mitsubishi Denki Kabushiki Kaisha | Alternating-current dynamoelectric machine |
| US20060006753A1 (en) * | 2004-07-09 | 2006-01-12 | Delta Electronics, Inc. | Motor |
-
2006
- 2006-08-09 CN CNB2006100620368A patent/CN100561827C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3714484A (en) * | 1970-03-16 | 1973-01-30 | Ducellier & Cie | Rotor assembly for use in a dynamo electric machine |
| US20050156479A1 (en) * | 2004-01-19 | 2005-07-21 | Mitsubishi Denki Kabushiki Kaisha | Alternating-current dynamoelectric machine |
| US20060006753A1 (en) * | 2004-07-09 | 2006-01-12 | Delta Electronics, Inc. | Motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101123369A (en) | 2008-02-13 |
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|---|---|---|---|
| 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: 20091118 Termination date: 20110809 |