CN104753202A - Stator magnetic circuit structure for axial magnetic circuit permanent magnet motor - Google Patents
Stator magnetic circuit structure for axial magnetic circuit permanent magnet motor Download PDFInfo
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- CN104753202A CN104753202A CN201510196275.1A CN201510196275A CN104753202A CN 104753202 A CN104753202 A CN 104753202A CN 201510196275 A CN201510196275 A CN 201510196275A CN 104753202 A CN104753202 A CN 104753202A
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Abstract
The invention provides a stator magnetic circuit structure for an axial magnetic circuit permanent magnet motor, and belongs to the technical field of motors. The stator magnetic circuit structure for the axial magnetic circuit permanent magnet motor is suitable for characteristics of a magnetic circuit of the axial magnetic circuit motor, and has normal iron loss. A plurality of T tail grooves are formed in the outer peripheral surface of a ring-shaped stator yoke along the radial direction and are uniformly distributed along the outer periphery of the ring-shaped stator yoke; the number of the T tail grooves is the same with that of a plurality of stator tooth blocks; the widths and the heights of the T tail grooves are the same with those of T-shaped tooth tails on the stator tooth blocks; a stator tooth block is inlaid in each T tail groove; and the T-shaped tooth tail of each stator tooth block is in close fit with the corresponding T tail groove. On the axial magnetic circuit permanent magnet motor, the trend of tooth magnetic flux and the trend of yoke magnetic flux are consistent to a punching direction, and abnormal iron loss can be avoided.
Description
Technical field
The present invention relates to a kind of for axial magnetic circuit magneto, belong to technical field of motors.
Background technology
Magneto can adopt radial magnetic circuit structure or axial magnetic circuit structure.Current magneto, adopts radial magnetic circuit structure mostly, because the magnetic circuit that the feature of this magnetic circuit is stator tooth and yoke is all located at grade, in two dimensional character, can build up with same punching easily.Axial magnetic circuit structure does not have two dimensional character, brings difficulty to magnetic Circuit Design.Such as, but in some cases, in extra large capacity motor, axial magnetic circuit structure embodies again advantage easy for installation.So be necessary to create a kind of applicable axial magnetic circuit motor magnetic circuit feature and the stator magnetic circuit structure with normal iron loss.
Summary of the invention
The object of this invention is to provide a kind of stator magnetic circuit structure for axial magnetic circuit magneto, it is not only applicable to axial magnetic circuit motor magnetic circuit feature, and has normal iron loss.
The present invention's technical scheme taked that solves the problem has two, respectively:
Scheme one: a kind of stator magnetic circuit structure for axial magnetic circuit magneto, it is made up of annular stator yoke and multiple stator tooth block, each described stator tooth block is made up of T-shaped tooth tail, tooth body and crown to tooth top successively tooth tail, the outer circumference surface of described annular stator yoke radially has multiple T stern notch, described multiple T stern notches are along the uniform setting of outer circumference surface of annular stator yoke, and the quantity of multiple T stern notch is identical with the quantity of multiple stator tooth block; The width of the width of T stern notch and height and the T-shaped tooth tail on stator tooth block, with highly identical, be bumped into a stator tooth block, and the T-shaped tooth tail of stator tooth block and T stern notch closely cooperates in each T stern notch.
Scheme two: a kind of stator magnetic circuit structure for axial magnetic circuit magneto, it is made up of annular stator yoke and multiple stator tooth block, each described stator tooth block is made up of T-shaped tooth tail and tooth body, the outer circumference surface of described annular stator yoke radially has multiple T stern notch, described multiple T stern notches are along the uniform setting of outer circumference surface of annular stator yoke, and the quantity of multiple T stern notch is identical with the quantity of multiple stator tooth block; The width of the width of T stern notch and height and the T-shaped tooth tail on stator tooth block, with highly identical, be bumped into a stator tooth block, and the T-shaped tooth tail of stator tooth block and T stern notch closely cooperates in each T stern notch.
The present invention relative to the beneficial effect of prior art is: the stator magnetic circuit structure for axial magnetic circuit magneto of the present invention, meet the feature of axial magnetic circuit permanent magnet motor stator magnetic circuit, no matter be stator tooth block or annular stator yoke, the trend of its magnetic flux all with silicon steel punched chip plane parallel, improper iron loss can not be caused.
Accompanying drawing explanation
Fig. 1 is the p-m rotor vertical view of axial magnetic circuit magneto;
Fig. 2 is the front view of the axial magnetic circuit magneto including stator magnetic circuit structure of the present invention;
Fig. 3 is the stator magnetic circuit structure vertical view for axial magnetic circuit magneto of the present invention;
Fig. 4 is the vertical view of annular stator yoke;
Fig. 5 is the front view of stator tooth block;
Fig. 6 is the axonometric drawing by traditional inserting-coil process down system or coiling on stator tooth block;
Fig. 7 is the axonometric drawing of the stator tooth block in Fig. 6;
Fig. 8 is the front view of the stator winding of embodiment 1;
Fig. 9 is the axonometric drawing be enclosed within by the formed coil that coiling is good on stator tooth block;
Figure 10 is the axonometric drawing of the stator tooth block in Fig. 9;
Figure 11 is around the axonometric drawing on stator tooth block by wire;
Figure 12 is the axonometric drawing of the stator tooth block in Figure 11.
In figure: annular stator yoke 1, T stern notch 1-1, stator tooth block 2, T-shaped tooth tail 2-1, tooth body 2-2, crown 2-3, p-m rotor 3, permanent magnet 4, rotor yoke 5, stator 6, coil 7.
Embodiment
Embodiment one: as shown in Fig. 2 ~ Fig. 5, a kind of stator magnetic circuit structure for axial magnetic circuit magneto, it is made up of annular stator yoke 1 and multiple stator tooth block 2, each described stator tooth block 2 is made up of T-shaped tooth tail 2-1, tooth body 2-2 and crown 2-3 to tooth top successively tooth tail, the outer circumference surface of described annular stator yoke 1 radially has multiple T stern notch 1-1, described multiple T stern notch 1-1 are along the uniform setting of outer circumference surface of annular stator yoke 2, and the quantity of multiple T stern notch 1-1 is identical with the quantity of multiple stator tooth block 2; The width of the width of T stern notch 1-1 and height and the T-shaped tooth tail 2-1 on stator tooth block 2, with highly identical, be bumped into a stator tooth block 2, and the T-shaped tooth tail 2-1 of stator tooth block 2 and T stern notch 1-1 closely cooperates in each T stern notch 1-1.Its effect is: make motor magnetic circuit have the feature of axial magnetic circuit, and produce without improper iron loss.
Embodiment two: as shown in Fig. 2, Fig. 3, Fig. 5, Fig. 7 and Fig. 8, a kind of stator magnetic circuit structure for axial magnetic circuit magneto described in embodiment one, described each stator tooth block 2 stacks by several pieces silicon steel punched chips and adopts riveting button or bonding way to be fixed together formation.Its effect is: the utilance that can improve material on the one hand, is convenient to motor stator assembling; Make motor magnetic circuit have the feature of axial magnetic circuit on the other hand, and produce without improper iron loss.
Embodiment three: as shown in Fig. 2 ~ Fig. 4 and Fig. 8, a kind of stator magnetic circuit structure for axial magnetic circuit magneto described in embodiment one or two, described annular stator yoke 1 is stacked by several pieces ring-shaped silicon steel sheet punchings and is adopted riveting button or bonding way to be fixed together and forms.Its effect is: the utilance that can improve material on the one hand, is convenient to motor stator assembling; Make motor magnetic circuit have the feature of axial magnetic circuit on the other hand, and produce without improper iron loss.
Embodiment four: as shown in Fig. 2, Fig. 3 and Figure 10, a kind of stator magnetic circuit structure for axial magnetic circuit magneto, it is made up of annular stator yoke 1 and multiple stator tooth block 2, each described stator tooth block 2 is made up of T-shaped tooth tail 2-1 and tooth body 2-2, the outer circumference surface of described annular stator yoke 1 radially has multiple T stern notch 1-1, described multiple T stern notch 1-1 are along the uniform setting of outer circumference surface of annular stator yoke 2, and the quantity of multiple T stern notch 1-1 is identical with the quantity of multiple stator tooth block 2; The width of the width of T stern notch 1-1 and height and the T-shaped tooth tail 2-1 on stator tooth block 2, with highly identical, be bumped into a stator tooth block 2, and the T-shaped tooth tail 2-1 of stator tooth block 2 and T stern notch 1-1 closely cooperates in each T stern notch 1-1.Its effect is: the utilance that can improve material on the one hand, is convenient to the assembling of motor stator; Make motor magnetic circuit have the feature of axial magnetic circuit on the other hand, and produce without improper iron loss.
Embodiment five: as shown in Figure 10, a kind of stator magnetic circuit structure for axial magnetic circuit magneto described in embodiment four, described each stator tooth block 2 stacks by several pieces silicon steel punched chips and adopts riveting button or bonding way to be fixed together formation.Its effect is: the utilance that can improve material on the one hand, is convenient to the assembling of motor stator; Make motor magnetic circuit have the feature of axial magnetic circuit on the other hand, and produce without improper iron loss.
Embodiment six: as shown in Fig. 2 ~ Fig. 4 and Fig. 8, a kind of stator magnetic circuit structure for axial magnetic circuit magneto described in embodiment four or five, described annular stator yoke 1 is stacked by several pieces ring-shaped silicon steel sheet punchings and is adopted riveting button or bonding way to be fixed together and forms.Its effect is: the utilance that can improve material on the one hand, is convenient to the assembling of motor stator; Make motor magnetic circuit have the feature of axial magnetic circuit on the other hand, and produce without improper iron loss.
Embodiment 1: on the stator magnetic circuit architecture basics described in embodiment one, two or three, each stator tooth block 2 forms stator winding, as shown in Fig. 6 ~ Fig. 8 with traditional inserting-coil process down system or coiling 7.Its effect is: the utilance that can improve material on the one hand, is convenient to the assembling of motor stator; Make motor magnetic circuit have the feature of axial magnetic circuit on the other hand, and produce without improper iron loss.
Embodiment 2: on the stator magnetic circuit architecture basics described in embodiment four, five or six, is enclosed within formed coil 7 good for coiling on stator tooth block 2 and forms open slot winding, as shown in Figure 9 and Figure 10.Its effect is: the utilance that can improve material on the one hand, is convenient to the assembling of motor stator; Make motor magnetic circuit have the feature of axial magnetic circuit on the other hand, and produce without improper iron loss.
Embodiment 3: on the stator magnetic circuit architecture basics described in embodiment one, two, three, four, five or six, before stator tooth block 2 is bumped in T stern notch 1-1, by wire around on stator tooth block 2, and then stator tooth block 2 is bumped in T stern notch 1-1, form fractional slot winding, as is illustrated by figs. 11 and 12.Its effect is: the utilance that can improve material on the one hand, is convenient to the assembling of motor stator; Make motor magnetic circuit have the feature of axial magnetic circuit on the other hand, and produce without improper iron loss.
operation principle:axial magnetic circuit magneto comprises p-m rotor 3 and stator 6, as shown in Fig. 1 ~ Fig. 3.P-m rotor 3 is made up of permanent magnet 4 and rotor yoke 5.Stator 6 is by stator tooth block 2, and annular stator yoke 1 and coil 7 are formed, and the quantity of stator tooth block 2 is multiple.Can find out, the stator magnetic circuit of axial magnetic circuit magneto, does not have two dimensional character.
In the present invention, as shown in Figure 2, stator tooth block 2 and annular stator yoke 1 stack by several pieces silicon steel punched chips and adopt riveting button or bonding way to be fixed together formation, and by closely cooperating of the T-shaped tooth tail 2-1 of stator tooth the block 2 and T stern notch 1-1 of annular stator yoke 1 stator tooth block 2 and annular stator yoke 1 combined, make Tooth flux all consistent with the direction of silicon steel punched chip with the trend of yoke flux, do not cause the generation of improper iron loss.
Claims (6)
1. the stator magnetic circuit structure for axial magnetic circuit magneto, it is made up of annular stator yoke (1) and multiple stator tooth block (2), it is characterized in that: each described stator tooth block (2) by tooth tail to tooth top successively by T-shaped tooth tail (2-1), tooth body (2-2) and crown (2-3) are formed, the outer circumference surface of described annular stator yoke (1) radially has multiple T stern notch (1-1), described multiple T stern notches (1-1) are along the uniform setting of outer circumference surface of annular stator yoke (2), and the quantity of multiple T stern notch (1-1) is identical with the quantity of multiple stator tooth block (2), the width of the width of T stern notch (1-1) and height and the T-shaped tooth tail (2-1) on stator tooth block (2) is with highly identical, be bumped into a stator tooth block (2) in each T stern notch (1-1), and the T-shaped tooth tail (2-1) of stator tooth block (2) and T stern notch (1-1) closely cooperate.
2. a kind of stator magnetic circuit structure for axial magnetic circuit magneto according to claim 1, is characterized in that: described each stator tooth block (2) stacks by several pieces silicon steel punched chips and adopts riveting button or bonding way to be fixed together formation.
3. a kind of stator magnetic circuit structure for axial magnetic circuit magneto according to claim 1 and 2, is characterized in that: described annular stator yoke (1) is stacked by several pieces ring-shaped silicon steel sheet punchings and adopted riveting button or bonding way to be fixed together and forms.
4. the stator magnetic circuit structure for axial magnetic circuit magneto, it is made up of annular stator yoke 1 and multiple stator tooth block 2, it is characterized in that: each described stator tooth block (2) is made up of T-shaped tooth tail (2-1) and tooth body (2-2), the outer circumference surface of described annular stator yoke (1) radially has multiple T stern notch (1-1), described multiple T stern notches (1-1) are along the uniform setting of outer circumference surface of annular stator yoke (2), and the quantity of multiple T stern notch (1-1) is identical with the quantity of multiple stator tooth block (2); The width of the width of T stern notch (1-1) and height and the T-shaped tooth tail (2-1) on stator tooth block (2) is with highly identical, be bumped into a stator tooth block (2) in each T stern notch (1-1), and the T-shaped tooth tail (2-1) of stator tooth block (2) and T stern notch (1-1) closely cooperate.
5. a kind of stator magnetic circuit structure for axial magnetic circuit magneto according to claim 4, is characterized in that: described each stator tooth block (2) stacks by several pieces silicon steel punched chips and adopts riveting button or bonding way to be fixed together formation.
6. a kind of stator magnetic circuit structure for axial magnetic circuit magneto according to claim 4 or 5, is characterized in that: described annular stator yoke (1) is stacked by several pieces ring-shaped silicon steel sheet punchings and adopted riveting button or bonding way to be fixed together and forms.
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CN201510196275.1A CN104753202A (en) | 2015-04-23 | 2015-04-23 | Stator magnetic circuit structure for axial magnetic circuit permanent magnet motor |
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CN201510196275.1A CN104753202A (en) | 2015-04-23 | 2015-04-23 | Stator magnetic circuit structure for axial magnetic circuit permanent magnet motor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107394909A (en) * | 2017-07-19 | 2017-11-24 | 黑龙江工大华工电机科技有限公司 | A kind of stator magnetic circuit structure for axial magnetic circuit magneto |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1596496A (en) * | 2001-11-29 | 2005-03-16 | 雅马哈发动机株式会社 | Axial gap type rotating electric machine |
JP2008228363A (en) * | 2007-03-08 | 2008-09-25 | Daikin Ind Ltd | Magnetic core for armature, armature, rotary electric machine, and compressor |
JP2010220412A (en) * | 2009-03-17 | 2010-09-30 | Mitsubishi Electric Corp | Axial gap motor |
CN102751795A (en) * | 2011-04-18 | 2012-10-24 | 江苏省飞花灯饰制造有限公司 | Separated type multipolar stator core structure used in miniature wind driven generator |
CN204103652U (en) * | 2014-09-04 | 2015-01-14 | 东方电气集团东方电机有限公司 | A kind of motor keeper |
CN104319915A (en) * | 2014-10-15 | 2015-01-28 | 东莞福登机电有限公司 | Split type stator structure |
-
2015
- 2015-04-23 CN CN201510196275.1A patent/CN104753202A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1596496A (en) * | 2001-11-29 | 2005-03-16 | 雅马哈发动机株式会社 | Axial gap type rotating electric machine |
JP2008228363A (en) * | 2007-03-08 | 2008-09-25 | Daikin Ind Ltd | Magnetic core for armature, armature, rotary electric machine, and compressor |
JP2010220412A (en) * | 2009-03-17 | 2010-09-30 | Mitsubishi Electric Corp | Axial gap motor |
CN102751795A (en) * | 2011-04-18 | 2012-10-24 | 江苏省飞花灯饰制造有限公司 | Separated type multipolar stator core structure used in miniature wind driven generator |
CN204103652U (en) * | 2014-09-04 | 2015-01-14 | 东方电气集团东方电机有限公司 | A kind of motor keeper |
CN104319915A (en) * | 2014-10-15 | 2015-01-28 | 东莞福登机电有限公司 | Split type stator structure |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107394909A (en) * | 2017-07-19 | 2017-11-24 | 黑龙江工大华工电机科技有限公司 | A kind of stator magnetic circuit structure for axial magnetic circuit magneto |
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Application publication date: 20150701 |