CN204408035U - The plastic packaging stator of a kind of stator punching and application thereof and external rotor electric machine - Google Patents
The plastic packaging stator of a kind of stator punching and application thereof and external rotor electric machine Download PDFInfo
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- CN204408035U CN204408035U CN201520043550.1U CN201520043550U CN204408035U CN 204408035 U CN204408035 U CN 204408035U CN 201520043550 U CN201520043550 U CN 201520043550U CN 204408035 U CN204408035 U CN 204408035U
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Abstract
The utility model discloses plastic packaging stator and the external rotor electric machine of a kind of stator punching and application thereof, some first teeth portion comprising ring-shaped yoke portion and stretch out outward from ring-shaped yoke portion outer ledge and the second teeth portion, first teeth portion and the second teeth portion replace circumferential array, second teeth portion comprises public tooth root portion, the curved tooth in a left side stretched out outward from tooth root portion, the curved tooth of straight-tooth and the right side, the curved tooth of curved for left side tooth and the right side is split and is formed two first-phase line embedding grooves by straight-tooth, the tooth root portion of the second teeth portion, left curved tooth and form two second-phase line embedding grooves between the curved tooth in the right side and adjacent two the first teeth portion, it can improve the performance of motor.
Description
Technical field:
The utility model relates to plastic packaging stator and the external rotor electric machine of a kind of stator punching and application thereof, belongs to technical field of motors.
Background technology:
Current motor, such as plastic packaging external rotor electric machine, it comprises plastic packaging stator and rotor.Wherein plastic packaging stator comprises the stator core and the main coil winding be set around on stator core and secondary coil winding that are overrided to form by some stator punchings.
Stator punching of the prior art, the conventional structure of its model is each line embedding groove size, shape is identical and be distributed on periphery.Although this structure structure is simple, be convenient to Mold Making, the inconvenience of coiling winding displacement, winding terminal minister and high, cause that motor material consumption is many, cost is high.And, because line embedding groove is all positioned at outside, makes teeth portion narrower, cause stator tooth magnetic close higher, thus have impact on electric efficiency.
In addition, stator punching of the prior art, notch is all positioned at the centre of line embedding groove, and during coiling, copper factor is lower, affects production technology, and have impact on the performance of motor.
Summary of the invention:
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and provide plastic packaging stator and the external rotor electric machine of a kind of stator punching and application thereof, it can improve the performance of motor.
The purpose of this utility model is achieved by following technical proposals.
A kind of stator punching, some first teeth portion comprising ring-shaped yoke portion and stretch out outward from ring-shaped yoke portion outer ledge and the second teeth portion, first teeth portion and the second teeth portion replace circumferential array, second teeth portion comprises public tooth root portion, the curved tooth in a left side stretched out outward from tooth root portion, the curved tooth of straight-tooth and the right side, the curved tooth of curved for left side tooth and the right side is split and is formed two first-phase line embedding grooves by straight-tooth, the tooth root portion of the second teeth portion, forms two second-phase line embedding grooves between the curved tooth of left curved tooth and the right side and adjacent two the first teeth portion.
First-phase line embedding groove described above is shallower than the degree of depth of described second-phase line embedding groove along stator punching radial direction along the degree of depth of stator punching radial direction.
The width in tooth root portion described above is greater than the width of straight-tooth.
The width size of the first teeth portion described above is between 1.5mm to 7.0mm, the width size in tooth root portion is between 4.0mm to 12.0mm, the width size of straight-tooth is between 2.0mm to 8.0mm, and the width size of the curved tooth of left curved tooth and the right side is between 2.0mm to 8.0mm.
Opening part at first-phase line embedding groove described above, the curved tooth of left curved tooth and the right side are provided with the stopper that the direction to middle straight-tooth extends, and form notch between described stopper and described straight-tooth, described notch is close to described straight-tooth.
The centre position of the curved tooth two sides of the curved tooth in a left side described above and the right side is all one section of circular arc.
There is one section of straight-tooth in the tooth root portion of the second teeth portion described above.
Two first-phase line embedding grooves described above are the open slots being similar to D type being symmetrical in described straight-tooth.
Two second-phase line embedding grooves described above are the open slots being similar to d type being symmetrical in described first teeth portion.
The trench bottom of two second-phase line embedding grooves described above is one section of circular arc, and described circular arc is for the center of circle with the center of stator punching.
Two second-phase line embedding grooves described above are flat-bottom slots.
A kind of plastic packaging stator, comprise stator core, overhang insulation, coil windings and plastic-sealed body, overhang insulation is arranged on the end face of stator core, coil windings is winding and installed on overhang insulation, plastic-sealed body is stator core, overhang insulation and coil windings connect to one, described stator core is overrided to form by some stator punchings, wherein stator punching comprises ring-shaped yoke portion and some first teeth portion of stretching out outward from ring-shaped yoke portion outer ledge and the second teeth portion, first teeth portion and the second teeth portion replace circumferential array, second teeth portion comprises public tooth root portion, the curved tooth in a left side stretched out outward from tooth root portion, the curved tooth of straight-tooth and the right side, the curved tooth of curved for left side tooth and the right side is split and is formed two first-phase line embedding grooves by straight-tooth, the tooth root portion of the second teeth portion, left curved tooth and form two second-phase line embedding grooves between the curved tooth in the right side and adjacent two the first teeth portion.
Coil windings described above comprises main coil winding and secondary coil winding, and main coil winding is set around in first-phase line embedding groove, and secondary coil winding is set around in second-phase line embedding groove.
A kind of external rotor electric machine, comprise rotating shaft, external rotor and plastic packaging stator, nested in the middle of the plastic packaging stator receiver is installed, inside receiver, bearing is installed, external rotor is sheathed on the outside of described plastic packaging stator, rotating shaft to be positioned at inside bearing pedestal and to be bearing on bearing, and rotating shaft one end is stretched out from bearing pedestal and linked together with external rotor, and described plastic packaging stator is above-mentioned plastic packaging stator.
The utility model compared with prior art, has following effect:
1) the second teeth portion comprises public tooth root portion, the curved tooth in a left side stretched out outward from tooth root portion, the curved tooth of straight-tooth and the right side, the curved tooth of curved for left side tooth and the right side is split and is formed two first-phase line embedding grooves by straight-tooth, the tooth root portion of the second teeth portion, between the curved tooth of left curved tooth and the right side and adjacent two the first teeth portion, form two second-phase line embedding grooves, reduce, avoid the overlapping of major and minor coil windings, be convenient to coiling and winding displacement, the end of major and minor coil windings is shortened step-down, reduce the copper consumption of major and minor coil windings, be beneficial to and reduce costs.
2) on identical area silicon steel disc, the flute profile of first-phase line embedding groove and second-phase line embedding groove can be accomplished larger, and the distance of groove and groove diminishes, and the consumption for the copper enamelled wire of rule reduces, and cost can be lower.
3) because the second teeth portion comprises public tooth root portion, the curved tooth in a left side stretched out outward from tooth root portion, the curved tooth of straight-tooth and the right side, add the facewidth, reduce stator tooth magnetic close, Distribution of Magnetic Field can be made even, the efficiency of motor is promoted, improves the performance of motor.
4) because first-phase line embedding groove and second-phase line embedding groove are respectively the open slot of D type or d type, more major and minor coil windings can be held, copper factor when improving coiling.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of stator punching in embodiment;
Fig. 2 is the stereogram of plastic packaging stator in embodiment;
Fig. 3 is the stereogram of the plastic packaging stator not installing plastic-sealed body in embodiment;
Fig. 4 is the exploded view of Fig. 3;
Fig. 5 is the structural representation that coil windings is winding and installed on stator core;
Fig. 6 is the stereogram of external rotor electric machine in embodiment;
Fig. 7 is the structure cutaway view of external rotor electric machine in embodiment;
Fig. 8 is the assembling schematic diagram of embodiment bottom bracket and stator core.
Embodiment:
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: as shown in Figure 1, the present embodiment is a kind of stator punching, some first teeth portion 2 and the second teeth portion 3 comprising ring-shaped yoke portion 1 and stretch out outward from ring-shaped yoke portion 1 outer ledge, first teeth portion 2 and the second teeth portion 3 replace circumferential array, second teeth portion 3 comprises public tooth root portion 31, the curved tooth 32 in a left side of stretching out outward from tooth root portion 31, the curved tooth 34 of straight-tooth 33 and the right side, the width in tooth root portion 31 is greater than the width of straight-tooth 33, add the facewidth, reduce stator tooth magnetic close, Distribution of Magnetic Field can be made even, the efficiency of motor is promoted, improve the performance of motor.The curved tooth 34 of curved for left side tooth 32 and the right side is split and forms two first-phase line embedding grooves 41 by straight-tooth 33, the tooth root portion 31 of the second teeth portion 3, left curved tooth 32 and form two second-phase line embedding grooves 42 between the curved tooth in the right side 34 and adjacent two the first teeth portion 2, described first-phase line embedding groove 41 is shallower than the degree of depth of described second-phase line embedding groove 42 along stator punching radial direction along the degree of depth of stator punching radial direction, reduce, avoid master, secondary coil winding overlapping, be convenient to coiling and winding displacement, make winner, the end of secondary coil winding shortens step-down, reduce main, the copper consumption of secondary coil winding, be beneficial to and reduce costs.
The width A size of described first teeth portion 2 is between 1.5mm to 7.0mm, the width B size in tooth root portion 31 is between 4.0mm to 12.0mm, the width C size of straight-tooth 33 is between 2.0mm to 8.0mm, and the width D size of the curved tooth 34 of left curved tooth 32 and the right side is between 2.0mm to 8.0mm.Be provided with at the opening part of first-phase line embedding groove 41, left curved tooth 32 and the curved tooth in the right side 34 stopper 35 that the direction to middle straight-tooth 33 extends, form notch 411 between described stopper 35 and described straight-tooth 33, described notch 411 is close to described straight-tooth 33.The centre position of left curved tooth 32 and curved tooth 34 two sides, the right side is all one section of circular arc 36.There is one section of straight-tooth in the tooth root portion 31 of the second teeth portion 3.Two first-phase line embedding grooves 41 are the open slots being similar to D type being symmetrical in described straight-tooth 33.Two second-phase line embedding grooves 42 are the open slots being similar to d type being symmetrical in described first teeth portion 2.
The trench bottom 421 of two second-phase line embedding grooves 42 is one section of circular arc, and described circular arc is for the center of circle with the center O of stator punching.
Embodiment two: as Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5, the present embodiment is a kind of plastic packaging stator, comprise stator core 51, overhang insulation 52, coil windings 53, plastic-sealed body 54, thermostat 55 and fixed mount 56, overhang insulation 52 is arranged on the end face of stator core 51, coil windings 53 is winding and installed on overhang insulation 52, the clamping part 562 that fixed mount 56 comprises annular portion 561 and protrudes outward annular portion 561, cylinder 521 is up stretched out in the centre of overhang insulation 52, annular portion 561 to be sleeved on outside cylinder 521 and to make clamping part 562 be positioned at above coil windings 53, thermostat 55 is arranged on clamping part 562 also near coil windings 53, plastic-sealed body 54 is stator core 51, overhang insulation 52, coil windings 53, thermostat 55 and fixed mount 56 connect to one.The outer ledge of annular portion 561 is provided with some location notchs 5610, and the lead-out wire of described plastic packaging stator is first fixed on inside location notch 5610 draws outward in the middle of the wire clamp 57 plastic-sealed body 54 again.
Described coil windings 53 comprises main coil winding 531 and secondary coil winding 532, main coil winding 531 is divided into many groups, often organizing main coil winding 531 is set around in adjacent two first-phase line embedding grooves 41 of adjacent two the second teeth portion 3 respectively, secondary coil winding 532 is divided into many groups, often organizes secondary coil winding 532 and is set around respectively in two second-phase line embedding grooves 42 of both sides, tooth root portion 31.
Embodiment three: as Fig. 6, shown in Fig. 7 and Fig. 8, the present embodiment is a kind of external rotor electric machine, comprise rotating shaft 6, external rotor 7, plastic packaging stator 8, receiver 9 and bearing 10, described plastic packaging stator 8 comprises stator core 51, overhang insulation 52, coil windings 53 and plastic-sealed body 54, overhang insulation 52 is arranged on the end face of stator core 51, coil windings 53 is set around on overhang insulation 52, plastic-sealed body 54 is described stator core 51, overhang insulation 52 and coil windings 53 connect to one, through hole 510 is offered in the middle of stator core 51, described bearing pedestal 9 adopts metal material manufacture to form, bearing pedestal 9 to be nested in inside through hole 510 and to closely cooperate with the inwall of through hole 510, bearing 10 is arranged on inside bearing pedestal 9, rotating shaft 6 to be positioned at inside bearing pedestal 9 and to be bearing on bearing 10, rotating shaft 6 one end from bearing pedestal 9 stretch out link together with external rotor 7 after in the middle of described external rotor 7, stretch out formation axle stretch end outward, inside the through hole 510 extending into stator core 51 at least partially of bearing 10.
Above embodiment is better embodiment of the present invention; but embodiments of the present invention are not limited thereto; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (14)
1. a stator punching, some first teeth portion (2) comprising ring-shaped yoke portion (1) and stretch out outward from ring-shaped yoke portion (1) outer ledge and the second teeth portion (3), first teeth portion (2) and the second teeth portion (3) alternately circumferential array, it is characterized in that: the second teeth portion (3) comprises public tooth root portion (31), the curved tooth in a left side (32) of stretching out outward from tooth root portion (31), straight-tooth (33) and the right side curved tooth (34), curved for left side tooth (32) and the curved tooth in the right side (34) split and form two first-phase line embedding grooves (41) by straight-tooth (33), the tooth root portion (31) of the second teeth portion (3), left curved tooth (32) and form two second-phase line embedding grooves (42) between the curved tooth in the right side (34) and adjacent two the first teeth portion (2).
2. a kind of stator punching according to claim 1, is characterized in that: described first-phase line embedding groove (41) is shallower than the degree of depth of described second-phase line embedding groove (42) along stator punching radial direction along the degree of depth of stator punching radial direction.
3. a kind of stator punching according to claim 1 and 2, is characterized in that: the width of tooth root portion (31) is greater than the width of straight-tooth (33).
4. a kind of stator punching according to claim 3, it is characterized in that: width (A) size of described first teeth portion (2) is between 1.5mm to 7.0mm, width (B) size in tooth root portion (31) is between 4.0mm to 12.0mm, width (C) size of straight-tooth (33) is between 2.0mm to 8.0mm, and width (D) size on left curved tooth (32) and the curved tooth in the right side (34) is between 2.0mm to 8.0mm.
5. a kind of stator punching according to claim 1 and 2, it is characterized in that: the opening part in first-phase line embedding groove (41), left curved tooth (32) and the right side curved tooth (34) are provided with the stopper (35) that the direction to middle straight-tooth (33) extends, form notch (411) between described stopper (35) and described straight-tooth (33), described notch (411) is close to described straight-tooth (33).
6. a kind of stator punching according to claim 1 and 2, is characterized in that: the centre position of left curved tooth (32) and curved tooth (34) two sides, the right side is all one section of circular arc (36).
7. a kind of stator punching according to claim 1 and 2, is characterized in that: there is one section of straight-tooth in the tooth root portion (31) of the second teeth portion (3).
8. a kind of stator punching according to claim 1 and 2, is characterized in that: two first-phase line embedding grooves (41) are the open slots being similar to D type being symmetrical in described straight-tooth (33).
9. a kind of stator punching according to claim 1 and 2, is characterized in that: two second-phase line embedding grooves (42) are the open slots being similar to d type being symmetrical in described first teeth portion (2).
10. a kind of stator punching according to claim 1 and 2, is characterized in that: the trench bottom (421) of two second-phase line embedding grooves (42) is one section of circular arc, and described circular arc is for the center of circle with the center of stator punching (O).
11. a kind of stator punchings according to claim 1 and 2, is characterized in that: two second-phase line embedding grooves (42) are flat-bottom slots.
12. 1 kinds of plastic packaging stators, comprise stator core (51), overhang insulation (52), coil windings (53) and plastic-sealed body (54), overhang insulation (52) is arranged on the end face of stator core (51), coil windings (53) is winding and installed on overhang insulation (52), plastic-sealed body (54) is stator core (51), overhang insulation (52) and coil windings (53) connect to one, it is characterized in that: described stator core (51) is that stator punching described any one of some claims 1 to 11 is overrided to form.
13. a kind of plastic packaging stators according to claim 12, it is characterized in that: described coil windings (53) comprises main coil winding (531) and secondary coil winding (532), main coil winding (531) is set around in first-phase line embedding groove (41), and secondary coil winding (532) is set around in second-phase line embedding groove (42).
14. 1 kinds of external rotor electric machines, comprise rotating shaft (6), external rotor (7) and plastic packaging stator (8), nested in the middle of the plastic packaging stator (8) receiver (9) is installed, in receiver (9) the inside, bearing (10) is installed, external rotor (7) is sheathed on the outside of described plastic packaging stator (8), rotating shaft (6) is positioned at bearing pedestal (9) the inside and is bearing on bearing (10), rotating shaft (6) one end is stretched out from bearing pedestal (9) and is linked together with external rotor (7), it is characterized in that: described plastic packaging stator (8) is the plastic packaging stator described in claim 12 or 13.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520043550.1U CN204408035U (en) | 2015-01-21 | 2015-01-21 | The plastic packaging stator of a kind of stator punching and application thereof and external rotor electric machine |
| PCT/CN2015/090610 WO2016115921A1 (en) | 2015-01-21 | 2015-09-24 | Outer rotor plastic package motor and air conditioner using same |
| US15/490,877 US10491060B2 (en) | 2015-01-21 | 2017-04-18 | External rotor motor and air conditioner comprising the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520043550.1U CN204408035U (en) | 2015-01-21 | 2015-01-21 | The plastic packaging stator of a kind of stator punching and application thereof and external rotor electric machine |
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| Publication Number | Publication Date |
|---|---|
| CN204408035U true CN204408035U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520043550.1U Active CN204408035U (en) | 2015-01-21 | 2015-01-21 | The plastic packaging stator of a kind of stator punching and application thereof and external rotor electric machine |
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| CN (1) | CN204408035U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016115921A1 (en) * | 2015-01-21 | 2016-07-28 | 中山大洋电机股份有限公司 | Outer rotor plastic package motor and air conditioner using same |
| WO2017092191A1 (en) * | 2015-12-02 | 2017-06-08 | 中山大洋电机股份有限公司 | Stator punching, stator assembly and external rotor motor |
| WO2017113512A1 (en) * | 2015-12-31 | 2017-07-06 | 中山大洋电机股份有限公司 | Stator punching sheet, stator assembly and external rotor motor |
| CN107546876A (en) * | 2017-09-20 | 2018-01-05 | 合肥市通得力电气制造有限公司 | A kind of stator punching for electrical equipment fan outer rotor motor |
| CN108667165A (en) * | 2018-03-02 | 2018-10-16 | 安徽达来电机有限公司 | Motor |
| CN108988540A (en) * | 2018-07-30 | 2018-12-11 | 安徽达来电机有限公司 | A kind of motor |
-
2015
- 2015-01-21 CN CN201520043550.1U patent/CN204408035U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016115921A1 (en) * | 2015-01-21 | 2016-07-28 | 中山大洋电机股份有限公司 | Outer rotor plastic package motor and air conditioner using same |
| US10491060B2 (en) | 2015-01-21 | 2019-11-26 | Zhongshan Broad-Ocean Motor Co., Ltd. | External rotor motor and air conditioner comprising the same |
| WO2017092191A1 (en) * | 2015-12-02 | 2017-06-08 | 中山大洋电机股份有限公司 | Stator punching, stator assembly and external rotor motor |
| WO2017113512A1 (en) * | 2015-12-31 | 2017-07-06 | 中山大洋电机股份有限公司 | Stator punching sheet, stator assembly and external rotor motor |
| CN106936233A (en) * | 2015-12-31 | 2017-07-07 | 中山大洋电机股份有限公司 | Stator punching, stator module and external rotor electric machine |
| CN106936233B (en) * | 2015-12-31 | 2020-01-03 | 中山大洋电机股份有限公司 | Stator module and external rotor motor |
| CN107546876A (en) * | 2017-09-20 | 2018-01-05 | 合肥市通得力电气制造有限公司 | A kind of stator punching for electrical equipment fan outer rotor motor |
| CN108667165A (en) * | 2018-03-02 | 2018-10-16 | 安徽达来电机有限公司 | Motor |
| CN108988540A (en) * | 2018-07-30 | 2018-12-11 | 安徽达来电机有限公司 | A kind of motor |
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