CN102916506A - Motor with segmented stators - Google Patents
Motor with segmented stators Download PDFInfo
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- CN102916506A CN102916506A CN2012104182724A CN201210418272A CN102916506A CN 102916506 A CN102916506 A CN 102916506A CN 2012104182724 A CN2012104182724 A CN 2012104182724A CN 201210418272 A CN201210418272 A CN 201210418272A CN 102916506 A CN102916506 A CN 102916506A
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- axial location
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Abstract
The invention discloses a motor with segmented stators. The motor comprises a housing and a plurality of segmented stator iron cores, wherein both ends of a yoke part of each segmented stator iron core are provided with a convex connecting part and a concave connecting part respectively; the convex connecting parts and the concave connecting parts of every two adjacent segmented stator iron cores are embedded with each other and connected into a circular stator iron core; the motor also comprises a plurality of axial locating key slots which are arranged along the peripheral direction of the housing; and the segmented stator iron cores are connected with the axial locating key slots of the housing by axial locating keys. In the motor with the segmented stators, provided by the invention, the segmented stator iron cores are connected with the axial locating key slots of the housing by the axial locating keys, and the segmented stator iron cores are reliably arranged in the axial direction of the housing, so that the segmented stator iron cores are unlikely to misplace in the axial direction to fall, the connection among the segmented stator iron cores is kept tight, and the connection strength among the segmented stator iron cores is improved.
Description
Technical field
The present invention relates to technical field of motors, particularly a kind of motor with sectional type stator.
Background technology
Motor refers to realize according to the law of electromagnetic induction a kind of calutron of electric energy conversion or transmission, and motor is in each side extensive uses such as industrial and agricultural production, communications and transportation, national defence, commerce and household electrical appliance, medical appliance equipments.
The iron core of traditional motor stator adopts the electrical sheet of full wafer to be overrided to form mostly, owing to adopting the method for full circle punching, causes the utilance of silicon steel material very low; Because this type of iron core adopts wire insertion technology usually, cause the motor stator winding end longer, and the end winding can't produce effective electromagnetic torque, the copper cash waste is comparatively serious; In addition, convenient for rule, stator rabbet is all larger, and the copper factor of motor is lower, thereby affects the performance of motor.
The patent No. is that the patent of CN201336587Y discloses a kind of block-partitioned type stator iron core structure, the iron core of this sectional type stator is comprised of a plurality of block stator iron cores, the yoke section two ends of each block stator iron core are provided with and connect protuberance and be connected recess, the connection protuberance of two adjacent block stator iron cores be connected that recess is mutually chimeric to be spliced into circular stator core at last, the sectional type iron core of Cheng Yuanhou is fixed by anchor ear, anchor ear fixedly is by frictional force the block stator iron core to be fixed into circular stator core with anchor ear, and bonding strength is lower between the block stator iron core.
The patent No. is that the patent of CN201717686U discloses a kind of permanent magnetic motor stator for compressor, the left and right sides of the yoke section of block stator iron core be respectively arranged with more than two the connection protuberance be connected recess, though bonding strength is strengthened to some extent, but in the situation that vibration is comparatively strong, obscission appears easily between the block stator iron core.
Therefore, how improving the bonding strength between the block stator iron core of motor, is the problem that those skilled in the art need to solve at present.
Summary of the invention
The purpose of this invention is to provide a kind of motor with sectional type stator, the bonding strength between the block stator iron core of this motor is higher.
To achieve these goals, the invention provides a kind of motor with sectional type stator, comprise that shell and a plurality of being provided with at yoke section two ends connect protuberance and the block stator iron core that is connected recess, the described connection protuberance of adjacent two described block stator iron cores be connected that the connection recess is mutually chimeric to connect into circular stator core, also comprise the axial location keyway that circumferentially arranges along described shell, described block stator iron core is connected with the axial location keyway of described shell by the axial location key.
Preferably, described axial location key is annular key, and described axial location keyway is annular keyway.
Preferably, be provided with circumferential positioning spline on the punching assembly of described block stator iron core and the described shell, described block stator iron core is connected with described casing by circumferential positioning key.
Preferably, the two ends of described punching assembly are respectively arranged with the first solder-bump and the second solder-bump.
Preferably, connect by rivet between the punching of described punching assembly.
Preferably, the insulating sleeve of described block stator iron core comprises mutually chimeric the first insulating sleeve and the second insulating sleeve of front end, and described the first insulating sleeve and described the second insulating sleeve are arranged on the tooth section outer surface of described block stator iron core.
Preferably, be provided with wire hole on described the first insulating sleeve and/or described the second insulating sleeve.
Preferably, described connection protuberance is semi-circular structure with being connected the connection recess.
Preferably, described connection protuberance is the splayed configuration structure with being connected the connection recess.
Preferably, described axial location key is fixed by screws in the described axial location keyway.
Sectional type stator motor provided by the invention, comprise that shell, a plurality of being provided with at yoke section two ends connect protuberance and the block stator iron core that is connected recess and axial location key, the connection protuberance of two adjacent block stator iron cores be connected that recess is mutually chimeric to connect into circular stator core, circumferentially be provided with the axial location keyway along it on the shell, the block stator iron core is connected with the axial location keyway of shell by the axial location key.
With respect to the above-mentioned background technology, in the motor with sectional type stator provided by the invention, the block stator iron core is connected with the axial location keyway of shell by the axial location key, the block stator iron core is reliable in the axially location of shell, thereby the block stator iron core can not misplaced in the axial direction to come off, guaranteed to connect closely between the block stator iron core, improved the bonding strength between the block stator iron core.
Description of drawings
A kind of structural representation with motor of sectional type stator that Fig. 1 provides for the embodiment of the invention;
Fig. 2 is the structural representation of the annular key of motor shown in Figure 1;
Fig. 3 is the structural representation of the punching assembly of motor shown in Figure 1;
Fig. 4 is the sectional view of Fig. 3;
Fig. 5 is the partial enlarged drawing of motor shown in Figure 1;
Fig. 6 is that the A-A of Fig. 5 is to cross-sectional schematic;
The decomposition texture schematic diagram of the block stator iron core of a kind of motor with sectional type stator that Fig. 7 provides for the embodiment of the invention;
A kind of connection protuberance and the splayed configuration structural representation that is connected recess with motor of sectional type stator that Fig. 8 provides for the embodiment of the invention;
A kind of connection protuberance and the semi-circular structural representation that is connected recess with motor of sectional type stator that Fig. 9 provides for the embodiment of the invention.
Embodiment
Core of the present invention provides and connects the motor that has reliably the sectional type stator between a kind of block stator iron core.
In order to make those skilled in the art understand better the present invention program, the present invention is described in further detail below in conjunction with drawings and embodiments.
Please refer to Fig. 1-Fig. 9, in a kind of embodiment, a kind of motor with sectional type stator provided by the invention, comprise that shell, a plurality of being provided with at yoke section 16 two ends connect protuberance and the block stator iron core that is connected recess and axial location key, the connection protuberance of two adjacent block stator iron cores be connected that recess is mutually chimeric to connect into circular stator core, circumferentially be provided with the axial location keyway along it on the shell, the block stator iron core is connected with the axial location keyway of shell by the axial location key.The block stator iron core mainly is comprised of punching assembly 5, insulating sleeve and stator winding, the punching assembly 5 of block stator iron core is formed by silicon steel plate stacking and two ends are provided with the connection protuberance and be connected recess, insulating sleeve is arranged at punching assembly 5 outer surfaces and makes stator winding and 5 insulation of punching assembly, and stator winding is to be arranged at the coil that the insulating sleeve outer surface is used for cutting magnetic field.The tooth section 17 of block stator iron core is the recess of the punching assembly 5 of block stator iron core, the position of namely twining stator winding.The yoke section 16 of block stator iron core is the protuberance of the punching assembly 5 of block stator iron core, i.e. the continuous position of adjacent block stator iron core.Above-mentioned the axial of shell that axially be circumferentially is the circumferential of shell.Above-mentioned connection protuberance be connected recess can for square connection protuberance 7 be connected connection recess 8.Above-mentioned shell can be motor housing 1 or stator casing etc., and the block stator iron core can directly be axially fixed in 1 li of motor housing, also can be axially fixed in the stator casing, and stator casing is fixed on 1 li of motor housing again.
In traditional motor with sectional type stator, block stator iron core and shell are circumferentially fixing by draw-in groove or welding, motor with sectional type stator provided by the invention on the basis of the above, the block stator iron core is connected with the axial location keyway of shell by the axial location key, the block stator iron core is reliable in the axially location of shell, thereby the block stator iron core can not misplaced in the axial direction to come off, guaranteed to connect closely between the block stator iron core, improved the bonding strength between the block stator iron core.
In addition, the axial location key is annular key 4, and the axial location keyway on the shell is annular keyway 15.Annular key 4 cooperates the annular keyway 15 on the shell that the block stator iron core is axially fixed in the shell, and the shape of annular key 4 and annular keyway and the shape of shell are more identical, are convenient to the processing of annular keyway on shell, also are convenient to the installation of annular key 4.Annular key 4 is fixed in the shell block stator iron core more reliably.
In addition, be provided with circumferential positioning spline on the punching assembly 5 of block stator iron core and the shell, the block stator iron core is connected with shell by circumferential positioning key.Above-mentioned circumferential positioning spline is called the circumferential positioning spline 10 of punching assembly at the punching assembly 5 of block stator iron core, is called the circumferential positioning spline 2 of shell at shell.Circumferentially positioning key makes the block stator iron core circumferentially fixing reliable and block stator iron core is comparatively convenient and guaranteed the consistency of block stator iron core position in shell when mounted.Circumferentially positioning key can be flat key 19 or wedge key, and corresponding circumferential positioning spline is flat key groove or wedge key groove.Above-mentioned circumferentially is the circumferential of shell.
Connect more reliably in order to make between the block stator iron core, the two ends of punching assembly 5 are respectively arranged with the first solder-bump 61 and the second solder-bump 62.When the connection protuberance of block stator iron core be connected recess mutually chimeric connect into circular stator core after, solder-bump 61 and the solder-bump 62 of adjacent block stator iron core fit together, and make the connection between the block stator iron core more reliable by welding.Can guarantee that temperature is unlikely to too high and causes short circuit and damage stator winding between the punching with Laser Welding during welding.
Further, connect by rivet 9 between the punching of punching assembly 5.Scribble insulating coating in the punching and make between the punching and insulate, 9 in rivet can not destroy insulating coating, so rivet connects reliable and guarantees to insulate between the punching.The quantity of rivet can be one or more, 2 rivets is set and in tooth section 17 effect of 1 rivet is set better in the yoke section 16 of punching assembly 5.
Further, the insulating sleeve of block stator iron core comprises that mutually chimeric the first insulating sleeve 13 and the second insulating sleeve 14, the first insulating sleeves 13 and the second insulating sleeve 14 are arranged on tooth section 17 outer surfaces of block stator iron core to front end.Split type insulating sleeve is convenient to install, reliably insulation between the first insulating sleeve 13 and the second insulating sleeve 14 mutual chimeric assurance stator winding and the punching assembly 5.
In order to save the length of stator winding, be provided with wire hole 18 on the first insulating sleeve 13 and/or the second insulating sleeve 14.The canoe that wire hole 18 can change stator winding reduces the length of stator winding, provides cost savings.On the first insulating sleeve 12 and the second insulating sleeve 14, wire hole 18 effects are set all better.
In addition, the connection protuberance of block stator iron core is semi-circular structure 11 with being connected recess.Semicircular structure 11 is comparatively round and smooth, and the connection protuberance of block stator iron core and link recess are easier to when identical, and semi-circular structure 11 makes the block stator iron core more convenient and connect reliably when mounted.
In addition, the connection protuberance of block stator iron core be connected recess and can also be splayed configuration structure 12.Splayed structure 12 makes between the adjacent block stator iron core not only radially fixing and circumferentially fixing.Above-mentioned radially and circumferentially be shell radially and circumferential.
In order to guarantee fixing more reliable in the axial location keyway of axial location key, the axial location key is fixed in the axial location keyway by screw 3.The axial location key also can wait other to be fixedly connected with mode by welding and be fixed in the axial location keyway.
Above a kind of motor with sectional type stator provided by the present invention is described in detail.Used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection range of claim of the present invention.
Claims (10)
1. motor with sectional type stator, comprise that shell and a plurality of being provided with at yoke section (16) two ends connect protuberance and the block stator iron core that is connected recess, the described connection protuberance of adjacent two described block stator iron cores be connected that the connection recess is mutually chimeric to connect into circular stator core, it is characterized in that, also comprise the axial location keyway that circumferentially arranges along described shell, described block stator iron core is connected with the axial location keyway of described shell by the axial location key.
2. motor as claimed in claim 1 is characterized in that, described axial location key is annular key (4), and described axial location keyway is annular keyway (15).
3. motor as claimed in claim 1 is characterized in that, is provided with circumferential positioning spline on the punching assembly (5) of described block stator iron core and the described shell, and described block stator iron core is connected with described casing by circumferential positioning key.
4. motor as claimed in claim 3 is characterized in that, the two ends of described punching assembly (5) are respectively arranged with the first solder-bump (61) and the second solder-bump (62).
5. sectional type stator motor as claimed in claim 3 is characterized in that, connects by rivet (9) between the punching of described punching assembly (5).
6. motor as claimed in claim 1, it is characterized in that, the insulating sleeve of described block stator iron core comprises mutually chimeric the first insulating sleeve (13) and the second insulating sleeve (14) of front end, described the first insulating sleeve (13) and described the second insulating sleeve (14) be arranged on described block stator iron core tooth section (17) outer surface.
7. motor as claimed in claim 6 is characterized in that, is provided with wire hole (18) on described the first insulating sleeve (13) and/or described the second insulating sleeve (14).
8. motor as claimed in claim 1 is characterized in that, described connection protuberance is semi-circular structure (11) with being connected the connection recess.
9. motor as claimed in claim 1 is characterized in that, described connection protuberance is splayed configuration structure (12) with being connected the connection recess.
10. such as each described motor of claim 1-9, it is characterized in that, described axial location key is fixed in the described axial location keyway by screw (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210418272.4A CN102916506B (en) | 2012-10-26 | 2012-10-26 | A kind of motor with sectional type stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210418272.4A CN102916506B (en) | 2012-10-26 | 2012-10-26 | A kind of motor with sectional type stator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102916506A true CN102916506A (en) | 2013-02-06 |
| CN102916506B CN102916506B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210418272.4A Active CN102916506B (en) | 2012-10-26 | 2012-10-26 | A kind of motor with sectional type stator |
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| Country | Link |
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| CN (1) | CN102916506B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762757A (en) * | 2014-01-10 | 2014-04-30 | 广东威灵电机制造有限公司 | Servo motor iron core, servo motor iron core tool and servo motor iron core manufacturing method |
| CN104393731A (en) * | 2014-11-25 | 2015-03-04 | 重庆长安汽车股份有限公司 | New energy automobile and permanent magnet synchronous motor thereof |
| CN105351201A (en) * | 2015-12-08 | 2016-02-24 | 珠海凌达压缩机有限公司 | Compressor and heat exchanging device |
| CN110890817A (en) * | 2019-11-21 | 2020-03-17 | 嘉兴藤飞精工科技有限公司 | Sectional type motor stator arrangement mechanism |
| CN110912295A (en) * | 2019-11-07 | 2020-03-24 | 联创汽车电子有限公司 | Stator monomer and motor stator unit |
| CN111473048A (en) * | 2020-03-27 | 2020-07-31 | 珠海格力电器股份有限公司 | Stator core, stator assembly and manufacturing method thereof, magnetic suspension bearing and motor |
| CN112003410A (en) * | 2020-08-24 | 2020-11-27 | 珠海格力电器股份有限公司 | Casing subassembly, casing, piecemeal stator assembly subassembly, stator assembly and motor |
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| CN101171732A (en) * | 2005-04-15 | 2008-04-30 | 库尔茨-卡施公司 | Over molded stator |
| CN201336587Y (en) * | 2008-12-30 | 2009-10-28 | 卧龙电气集团股份有限公司 | Sectional type stator core structure |
| FR2957730A1 (en) * | 2010-03-17 | 2011-09-23 | Converteam Technology Ltd | ROTATING ELECTRICAL MACHINE WITH STATOR WITH CONCENTRIC WINDINGS |
| CN202034835U (en) * | 2011-05-13 | 2011-11-09 | 浙江众邦机电科技有限公司 | Sectional motor stator iron core used on sewing machine |
| CN102738939A (en) * | 2012-07-04 | 2012-10-17 | 美的集团有限公司 | Insulating frame of motor with segmented stator |
| DE102011017456A1 (en) * | 2011-04-18 | 2012-10-18 | Sew-Eurodrive Gmbh & Co. Kg | Stator segment for a segmented stator of an electric motor, stator of similar stator segments and method for producing a stator of stator segments |
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2012
- 2012-10-26 CN CN201210418272.4A patent/CN102916506B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101171732A (en) * | 2005-04-15 | 2008-04-30 | 库尔茨-卡施公司 | Over molded stator |
| CN201336587Y (en) * | 2008-12-30 | 2009-10-28 | 卧龙电气集团股份有限公司 | Sectional type stator core structure |
| FR2957730A1 (en) * | 2010-03-17 | 2011-09-23 | Converteam Technology Ltd | ROTATING ELECTRICAL MACHINE WITH STATOR WITH CONCENTRIC WINDINGS |
| DE102011017456A1 (en) * | 2011-04-18 | 2012-10-18 | Sew-Eurodrive Gmbh & Co. Kg | Stator segment for a segmented stator of an electric motor, stator of similar stator segments and method for producing a stator of stator segments |
| CN202034835U (en) * | 2011-05-13 | 2011-11-09 | 浙江众邦机电科技有限公司 | Sectional motor stator iron core used on sewing machine |
| CN102738939A (en) * | 2012-07-04 | 2012-10-17 | 美的集团有限公司 | Insulating frame of motor with segmented stator |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762757A (en) * | 2014-01-10 | 2014-04-30 | 广东威灵电机制造有限公司 | Servo motor iron core, servo motor iron core tool and servo motor iron core manufacturing method |
| CN103762757B (en) * | 2014-01-10 | 2017-02-08 | 广东美的智能科技有限公司 | Servo motor iron core, servo motor iron core tool and servo motor iron core manufacturing method |
| CN104393731A (en) * | 2014-11-25 | 2015-03-04 | 重庆长安汽车股份有限公司 | New energy automobile and permanent magnet synchronous motor thereof |
| CN105351201A (en) * | 2015-12-08 | 2016-02-24 | 珠海凌达压缩机有限公司 | Compressor and heat exchanging device |
| CN110912295A (en) * | 2019-11-07 | 2020-03-24 | 联创汽车电子有限公司 | Stator monomer and motor stator unit |
| CN110890817A (en) * | 2019-11-21 | 2020-03-17 | 嘉兴藤飞精工科技有限公司 | Sectional type motor stator arrangement mechanism |
| CN110890817B (en) * | 2019-11-21 | 2024-06-11 | 嘉兴藤飞精工科技有限公司 | Block type motor stator arrangement mechanism |
| CN111473048A (en) * | 2020-03-27 | 2020-07-31 | 珠海格力电器股份有限公司 | Stator core, stator assembly and manufacturing method thereof, magnetic suspension bearing and motor |
| CN112003410A (en) * | 2020-08-24 | 2020-11-27 | 珠海格力电器股份有限公司 | Casing subassembly, casing, piecemeal stator assembly subassembly, stator assembly and motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102916506B (en) | 2016-02-10 |
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Effective date of registration: 20200109 Address after: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Patentee after: Chongqing Chang'an Automobile Co., Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Co-patentee before: Chongqing Chang'an New Energy Automobile Co., Ltd. Patentee before: Chongqing Chang'an Automobile Co., Ltd. |