CN209748277U - brushless motor stator module and brushless motor - Google Patents
brushless motor stator module and brushless motor Download PDFInfo
- Publication number
- CN209748277U CN209748277U CN201920917425.7U CN201920917425U CN209748277U CN 209748277 U CN209748277 U CN 209748277U CN 201920917425 U CN201920917425 U CN 201920917425U CN 209748277 U CN209748277 U CN 209748277U
- Authority
- CN
- China
- Prior art keywords
- unit
- iron core
- brushless motor
- splicing
- winding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a brushless motor stator module and brushless motor, brushless motor stator module is made a perfect understanding by a plurality of stators after wire winding respectively and is formed, and every stator includes respectively: the splicing unit is an insulating material piece, a first connecting part and a second connecting part are arranged on the splicing unit, and the first connecting part of the splicing unit and the second connecting part of the splicing unit adjacent to the first connecting part are detachably connected so that the splicing units are spliced into a circle; the wire harness is wound on the iron core unit to form single-phase windings with the splicing unit, and the wire harness between each single-phase winding of the stator assembly of the brushless motor is in star connection. The utility model discloses a brushless motor stator module, through carrying out single-phase winding earlier, then piece together the circle with the winding, can save welding process, play the effect of concentrated winding. Meanwhile, the winding requirement of a large wire diameter can be met.
Description
Technical Field
The utility model relates to a motor manufacturing technology field especially relates to a brushless motor stator module and brushless motor who has this stator module.
Background
The existing brushless motor stator usually adopts a winding mode of firstly splicing a circle and then winding, and a welding procedure is needed to be carried out after the winding is finished, so that the labor cost is increased. And at present, the stator winding is basically realized by replacing manual winding with machine winding, and after the stator is spliced into a circle, the fullness rate of the wire harness on the iron core is fixed, so that a copper wire with a larger diameter cannot be wound in a winding mode of splicing into a circle and then winding, and the universality is lower.
SUMMERY OF THE UTILITY MODEL
the utility model discloses a need carry out one welding process after solving among the prior art stator wire winding, can't satisfy the problem of the great copper line in wire winding footpath moreover.
Particularly, the utility model provides a brushless motor stator module, stator module is formed by a plurality of stators respectively the circle of piecing together behind the wire winding, and every stator includes respectively:
the splicing unit is an insulating material piece, a first connecting part and a second connecting part are arranged on the splicing unit, and the first connecting part of the splicing unit and the second connecting part of the splicing unit adjacent to the first connecting part are detachably connected so that the splicing units are spliced into a circle; each splicing unit is an arc-shaped sheet body, and the first connecting part and the second connecting part are arranged on two sides of the arc-shaped sheet body and extend along the radial direction of the arc-shaped sheet body respectively;
The wire harness is wound on the iron core unit to form single-phase windings with the splicing unit, and the wire harness between each single-phase winding of the stator assembly is in star connection;
Further, the shapes of the first connection portion and the second connection portion respectively correspond to the shapes of the splicing units.
Further, first connecting portion are for following the radial recess that extends of concatenation unit, second connecting portion are for following the radial flange that extends of concatenation unit, concatenation unit's first connecting portion and rather than adjacent concatenation unit's second connecting portion looks joint.
further, the area of the orthographic projection of the iron core unit on the splicing unit is smaller than that of the splicing unit.
Further, the core unit includes:
One end of the iron core is connected with the splicing unit;
Card and portion are established the other end of iron core and with the iron core is connected, card and portion are in orthographic projection's on the iron core area is greater than the area of the cross-section of iron core with the concatenation unit with the wire winding chamber is injectd in the cooperation between the iron core, the pencil is around establishing on the iron core and be located the wire winding intracavity.
further, the iron core is columnar, a winding groove extending along the circumferential direction of the iron core is formed in the iron core, and the wire harness is wound on the iron core through the winding groove.
Furthermore, one side of the clamping part, which is back to the iron core, is arc-shaped.
Further, the iron core unit is an integrally formed part.
The utility model also provides a brushless motor, including the brushless motor stator module in the above-mentioned embodiment.
The utility model discloses a brushless motor stator module, by a plurality of stators piece together the circle after winding respectively and form, through carrying out single-phase winding earlier, then piece together the circle with the winding, can save welding process, play the effect of concentrating the winding. Meanwhile, the winding requirement of a large wire diameter can be met. Each stator mainly comprises a splicing unit and an iron core unit, wherein the splicing unit is formed by processing insulating materials, and the wiring harness and the stator can be separated by the insulating splicing materials. And a first connecting part and a second connecting part are respectively processed on each splicing unit, and the first connecting parts and the second connecting parts on two adjacent splicing units are detachably connected and spliced into a circle. The processing of iron core unit is on the concatenation unit, and the pencil is around establishing on the iron core unit and form single-phase winding together with the concatenation unit, and the pencil between every single-phase winding of brushless motor stator module adopts star type wiring mode to connect, is favorable to eliminating the third harmonic, reduces the voltage drop of winding.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural view of a stator assembly of a brushless electric machine according to an embodiment of the present invention;
Figure 2 is an expanded view of a stator of a brushless motor stator assembly according to an embodiment of the present invention prior to being rolled;
fig. 3 is a schematic cross-sectional expanded view of two single-phase windings of a brushless motor stator assembly according to an embodiment of the invention;
Fig. 4 is a wiring diagram of a stator assembly of a brushless motor according to an embodiment of the present invention;
Fig. 5 is a schematic winding diagram of a stator assembly of a brushless motor according to an embodiment of the present invention;
Fig. 6 is an assembly view of a brushless motor stator assembly according to an embodiment of the present invention.
reference numerals:
A stator assembly 100;
a single-phase winding 200;
A stator 10; a splicing unit 11; the first connection portion 111; a second connecting portion 112; an iron core unit 12; a core 121; a winding slot 1211; a card and portion 122;
A wiring harness 20.
Detailed Description
Referring to fig. 1, fig. 2 and fig. 6, the brushless motor stator assembly 100 of the present invention can be formed by respectively winding a plurality of stators 10 and then splicing them together, and this stator assembly 100 adopts the winding of each stator 10, that is, forms a single-phase winding 200, and then splices the circle of each single-phase winding 200, and changes the winding mode of splicing the circle and then winding the circle in the prior art. By adopting the winding mode of firstly winding the single-phase winding and then splicing the circles, the spot welding process is not needed after the wire harness 20 is wound, and the function of concentrating the winding is achieved. Meanwhile, the winding requirement of a large wire diameter can be met, and the universality of the stator assembly 100 is improved.
Referring to fig. 1, each stator 10 is mainly composed of a splicing unit 11 and a core unit 12. The splicing unit 11 may be formed by processing an insulating material, and the insulating splicing material may separate the wire harness 20 from the stator 10. The splicing unit 11 may be processed with a first connection portion 111 and a second connection portion 112. The first connection portion 111 of the splicing unit 11 and the second connection portion 112 of the splicing unit 11 adjacent to the first connection portion 111 are detachably connected, that is, the first connection portion 111 and the second connection portion 112 on two adjacent splicing units 11 are detachably connected, and a circular stator assembly 100 is formed by sequentially splicing a plurality of splicing units 11. Referring to fig. 1 and 3, each of the splicing units 11 may be respectively processed into an arc-shaped sheet body, the first connection portion 111 and the second connection portion 112 are respectively processed at both sides of the arc-shaped sheet body, and the first connection portion 111 and the second connection portion 112 may respectively extend in a radial direction of the splicing unit 11. By processing each splicing unit 11 into an arc-shaped sheet body, splicing among the splicing units 11 into a circle is facilitated.
The iron core unit 12 can be processed on the splicing unit 11, the wire harness 20 is wound on the iron core unit 12 and forms single-phase windings 200 together with the splicing unit 11, the wire harness 20 between each single-phase winding 200 of the stator assembly 100 is connected in a star connection mode, and the star connection mode in the stator assembly 100 is beneficial to eliminating third harmonic and reducing voltage drop of the windings.
in a preferred embodiment of the present invention, as shown in fig. 1, the shapes of the first connection portion 111 and the second connection portion 112 correspond to the shapes of the splicing units 11, respectively. That is to say, first connecting portion 111 and second connecting portion 112 can be processed into certain arc to the complex position, guarantee first connecting portion 111 and second connecting portion 112 cooperation back can be arc transitional coupling with two splice units 11, be convenient for splice into circularly between individual splice unit 11.
according to a preferred embodiment of the present invention, as shown in fig. 1, the first connecting portion 111 can be processed into a groove extending radially along the splicing unit 11, wherein the groove wall of the groove can be processed into an arc shape adapted to the splicing unit 11. The second connecting portion 112 may be formed as a flange extending in the radial direction of the splice unit 11, and the shape of the flange is adapted to the groove. In two adjacent splicing units 11, the first connecting portion 111 (groove) of one splicing unit 11 is clamped with the second connecting portion 112 (flange) of the other splicing unit 11. The splicing units 11 are spliced into a circle in sequence by adopting the splicing mode. The adjacent two splicing units 11 are connected in a clamping manner, so that the assembly efficiency between the adjacent two stators 10 in the stator assembly 100 is improved, and the time cost is saved.
Referring to fig. 1, the area of the orthographic projection of the iron core unit 12 on the splicing unit 11 is smaller than the area of the splicing unit 11. That is, the splicing unit 11 can completely cover one side of the core unit 12, so that the splicing unit 11 can protrude out of the core unit 12, and the wire harness 20 can be conveniently wound on the core unit 12.
According to an embodiment of the present invention, referring to fig. 1 and 3, the core unit 12 is mainly composed of a core 121 and a catching portion 122. Wherein, one end of the iron core 121 is connected with the splicing unit 11. That is, the core 121 is disposed on the arc-shaped surface of the arc-shaped splicing unit 11, and the arc-shaped surface completely covers one side of the core 121. The engaging portion 122 is processed at the other end of the core 121, and the engaging portion 122 is connected to the core 121. The area of the orthographic projection of the engaging part 122 on the iron core 121 is larger than the area of the cross section of the iron core 121, that is, the engaging part 122 can completely cover the other end of the iron core 121, so that a winding cavity is defined by the cooperation between the iron core 121 and the splicing unit 11 and the engaging part 122, the wire harness 20 can be wound in the winding cavity, and the wire harness 20 is wound on the iron core 121. Through iron core 121 and splice unit 11 and the cooperation of card between 122 and injecing the wire winding chamber, be convenient for pencil 20 on iron core 121 wire winding, improve pencil 20 wire winding efficiency on iron core 121, prevent simultaneously that pencil 20 from deviating from iron core 121 when the wire winding. One side of the clip portion 122, which faces away from the iron core 121, may be processed into an arc shape, that is, the clip portion 122 may be processed into an arc shape that is convenient for being spliced into a circle, so as to ensure that the iron core units 12 can also be combined into a circle after the splicing units 11 are spliced into a circle.
In a preferred embodiment of the present invention, referring to fig. 1 and 3, the iron core 121 may be processed into a column shape, the iron core 121 may be processed with a winding groove 1211 extending along a circumferential direction thereof, and the wire harness 20 is wound around the iron core 121 through the winding groove 1211. By processing the winding groove 1211 on the core 121, the winding efficiency of the wire harness 20 can be further improved, and the time cost can be saved.
according to an embodiment of the present invention, the core unit 12 is an integrally formed part. That is, the core 121 and the engaging portion 122 may be integrally formed, which is beneficial to improving the stability of the overall structure of the core unit 12 and reducing the forming difficulty and cost of the core unit 12.
In summary, the utility model discloses a brushless motor stator module 100, by a plurality of stators 10 respectively the wire winding after piece together the circle and form, through carrying out single-phase winding earlier, then piece together the circle with the winding, can save welding process, play the effect of concentrating the winding. Meanwhile, the winding requirement of a large wire diameter can be met. Each stator 10 is mainly composed of a splicing unit 11 and a core unit 12, the splicing unit 11 is formed by processing an insulating material, and the insulating splicing material can separate the wire harness 20 from the stator 10. Each splicing unit 11 is respectively provided with a first connecting part 111 and a second connecting part 112, and the first connecting part 111 and the second connecting part 112 on two adjacent splicing units 11 are detachably connected and spliced into a circle. The iron core unit 12 is processed on the splicing unit 11, the wire harness 20 is wound on the iron core unit 12 and forms single-phase windings 200 together with the splicing unit 11, and the wire harness 20 between each single-phase winding 200 of the stator assembly 100 is connected in a star connection mode, so that the elimination of third harmonic is facilitated, and the voltage drop of the windings is reduced.
The winding manner of the stator assembly 100 of the brushless motor according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
In the present application, for example, the stator assembly 100 formed by splicing six stators 10 is taken as an example, the wire harness 20 may be a copper wire. The brushless motor stator assembly 100 of the present application employs a star connection, which is illustrated in fig. 4 and 5, wherein U, V, W represents three copper wires entering from an incoming line end, the three copper wires are connected at a point at an outgoing line end of the stator 10, and the outgoing line ends of the three copper wires are represented by U/, V/and W/respectively. The six stators 10 are wound to form single-phase windings 200a, 200b, 200c, 200e, and 200f, respectively. As can be seen from fig. 2, fig. 3 and fig. 5, when winding the stator assembly 100, firstly, the copper wire U enters from the wire inlet end of the stator 10 and starts to be wound into a wire 200a, and then the wire 200d is wound after the wire 200a is wound, which is marked as U/. The copper wire V enters from the inlet end and starts to be wound to form a wire 200b, and the 200e is wound after the wire 200b is wound, and the mark is V/. The copper wire W enters from the inlet wire end and starts to be wound to form 200c, and 200f is wound after the 200c is wound, and the mark is W/. The utility model discloses a brushless motor stator module 100 adopts star type wire winding mode, exists higher harmonic, especially third harmonic in mainly considering stator induction electromotive force. The phase difference between the fundamental waves is 120 °, and the phase difference between the electromotive forces of the third harmonics is 360 ° by 3 × 120 °, that is, the electromotive forces of the third harmonics in the three-phase winding are in phase. If other winding methods are adopted, for example, the stator assembly 100 of the brushless motor is connected into a triangle, it is equivalent to that three voltage sources are connected in series, and a large circulating current is inevitably generated in the three-phase winding, which causes the winding of the stator 10 to overheat.
The utility model also provides a brushless motor includes according to the brushless motor stator module 100 in the above-mentioned embodiment. Because according to the utility model discloses a brushless motor stator module 100 has above-mentioned technological effect, consequently, according to the utility model discloses a brushless motor also has corresponding technological effect, promptly the utility model discloses a brushless motor, its stator module 100, piece together the circle by a plurality of stator 10 after winding respectively and form, through carrying out single-phase winding earlier, then piece together the circle with the winding, can save welding process, play the effect of concentrating the winding. Meanwhile, the winding requirement of a large wire diameter can be met. Each stator 10 in the brushless motor is mainly composed of a splicing unit 11 and an iron core unit 12, wherein the splicing unit 11 is formed by processing an insulating material, and the insulating splicing material can separate a wire harness 20 from the stator 10. Each splicing unit 11 is respectively provided with a first connecting part 111 and a second connecting part 112, and the first connecting part 111 and the second connecting part 112 on two adjacent splicing units 11 are detachably connected and spliced into a circle. The iron core unit 12 is processed on the splicing unit 11, the wire harness 20 is wound on the iron core unit 12 and forms single-phase windings 200 together with the splicing unit 11, and the wire harness 20 between each single-phase winding 200 of the stator assembly 100 is connected in a star connection mode, so that the elimination of third harmonic is facilitated, and the voltage drop of the windings is reduced.
other structures and operations of the brushless motor according to the embodiments of the present invention are understood and easily implemented by those skilled in the art, and thus will not be described in detail.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (9)
1. a brushless motor stator assembly (100), the stator assembly (100) formed by a plurality of stators (10) respectively wound and then rounded, each stator (10) respectively comprising:
the splicing unit (11), the splicing unit (11) is made of insulating materials, a first connecting part (111) and a second connecting part (112) are arranged on the splicing unit (11), and the first connecting part (111) of the splicing unit (11) and the second connecting part (112) of the splicing unit (11) adjacent to the first connecting part are detachably connected so as to be spliced into a circular shape by a plurality of splicing units (11); each splicing unit (11) is an arc-shaped sheet body, and the first connecting part (111) and the second connecting part (112) are arranged on two sides of the arc-shaped sheet body respectively and extend along the radial direction of the arc-shaped sheet body respectively;
the stator assembly comprises an iron core unit (12) arranged on a splicing unit (11), a wire harness (20) is wound on the iron core unit (12) to form single-phase windings (200) with the splicing unit (11), and the wire harness (20) between each single-phase winding (200) of the stator assembly (100) is in star connection.
2. The brushless motor stator assembly (100) of claim 1,
The shapes of the first connection part (111) and the second connection part (112) correspond to the shapes of the splicing units (11), respectively.
3. the brushless motor stator assembly (100) of claim 1,
First connecting portion (111) are for following concatenation unit (11) radial extension's recess, second connecting portion (112) are for following concatenation unit (11) radial extension's flange, concatenation unit (11) first connecting portion (111) and rather than adjacent concatenation unit (11) second connecting portion (112) looks joint.
4. the brushless motor stator assembly (100) of claim 1,
The area of the orthographic projection of the iron core unit (12) on the splicing unit (11) is smaller than that of the splicing unit (11).
5. the brushless motor stator assembly (100) of claim 4, wherein the core unit (12) comprises:
An iron core (121) having one end connected to the splicing unit (11);
Card sum portion (122), establish the other end of iron core (121) and with iron core (121) are connected, card sum portion (122) is in the area of orthographic projection on iron core (121) is greater than the area of the cross-section of iron core (121) with splice unit (11) with the cooperation is injectd the wire winding chamber between iron core (121), pencil (20) are around establishing on iron core (121) and be located the wire winding intracavity.
6. the brushless motor stator assembly (100) of claim 5,
The iron core (121) is columnar, a winding groove (1211) extending along the circumferential direction of the iron core (121) is formed in the iron core (121), and the wire harness (20) is wound on the iron core (121) through the winding groove (1211).
7. the brushless motor stator assembly (100) of claim 5,
One side of the clamping part (122) back to the iron core (121) is arc-shaped.
8. the brushless motor stator assembly (100) of claim 1,
the iron core unit (12) is an integrally formed part.
9. A brushless motor, characterized by comprising a brushless motor stator assembly (100) according to any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920917425.7U CN209748277U (en) | 2019-06-18 | 2019-06-18 | brushless motor stator module and brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920917425.7U CN209748277U (en) | 2019-06-18 | 2019-06-18 | brushless motor stator module and brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209748277U true CN209748277U (en) | 2019-12-06 |
Family
ID=68723883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920917425.7U Active CN209748277U (en) | 2019-06-18 | 2019-06-18 | brushless motor stator module and brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209748277U (en) |
-
2019
- 2019-06-18 CN CN201920917425.7U patent/CN209748277U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4704177B2 (en) | Three-phase nine-pole stator and stator coil winding method | |
| US9079603B2 (en) | Motor for an electric power steering apparatus | |
| CN207475296U (en) | A kind of 12 slot centralization winding brushless direct current permanent magnet motor of 8 pole | |
| US20120161569A1 (en) | Electric rotating machine | |
| JP2007174869A (en) | Insulator, stator assembly, segment stator, and stator for dynamo-electric machine | |
| US9450463B2 (en) | Phase winding and connection methods for three phase dynamoelectric machines | |
| JP2014011937A (en) | Stator | |
| JP5047235B2 (en) | Motor stator, motor, air conditioner and pump | |
| KR20200027443A (en) | Electric motor with a stator formed from a pole chain and with contactless routing of enameled aluminum wire | |
| US20190013710A1 (en) | Rotary Electric Machine | |
| JPH1127886A (en) | Stator of dynamo-electric machine | |
| CN217486256U (en) | Motor stator and motor | |
| JP4713219B2 (en) | Stator assembly method | |
| CN109245346B (en) | Split combined stator | |
| US20150076945A1 (en) | Stator for rotating electric machine | |
| KR980006728A (en) | Combination structure of focusing terminal and derivation coil, small rotary electric motor and automotive alternator using the same | |
| CN209748277U (en) | brushless motor stator module and brushless motor | |
| CN111934462B (en) | Motor stator winding, stator and motor | |
| JP2007174826A (en) | Stator for dynamo-electric machine, insulator, and bus bar unit | |
| CN213990307U (en) | Motor stator and motor | |
| US11050313B2 (en) | Stator and motor comprising same | |
| CN211908498U (en) | Motor stator and motor | |
| CN211880197U (en) | Motor stator and motor | |
| CN218301025U (en) | Stator and motor with same | |
| CN214101001U (en) | Motor stator and motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 No.55, Taishan Road, high tech Zone, Suzhou City, Jiangsu Province Patentee after: Jiangsu Laike Intelligent Electrical Appliance Co., Ltd Address before: 215000 No.55, Taishan Road, high tech Zone, Suzhou City, Jiangsu Province Patentee before: SUZHOU KINGCLEAN ELECTRIC Co.,Ltd. |