CN213693273U - Flat copper wire armature busbar structure and motor applying same - Google Patents
Flat copper wire armature busbar structure and motor applying same Download PDFInfo
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- CN213693273U CN213693273U CN202022959490.1U CN202022959490U CN213693273U CN 213693273 U CN213693273 U CN 213693273U CN 202022959490 U CN202022959490 U CN 202022959490U CN 213693273 U CN213693273 U CN 213693273U
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Abstract
The utility model discloses a female motor of arranging structure and using this structure of band copper line armature, including female insulating stator skeleton (1) of arranging, be equipped with U looks copper bar (2), V looks copper bar (3), W looks copper bar (4) and a plurality of star point line copper bar (5) on female insulating stator skeleton (1) respectively, through female insulating stator skeleton (1) mutual insulation between U looks copper bar (2), V looks copper bar (3), W looks copper bar (4) and star point line copper bar (5). The utility model discloses a female insulating stator skeleton of arranging is with each copper bar interconnect and insulating, has compact structure, convenient wiring and the good characteristics of insulating nature.
Description
Technical Field
The utility model relates to a female motor that arranges and three phase machine of armature, especially a flat copper wire armature arranges structure and applied this structure's motor.
Background
The existing three-phase motor is divided into two wiring methods for leading-out wires of a stator assembly, one method is to connect two connecting parts of each branch circuit by two U-shaped wires, but the structure causes the problems of thicker welding part in the middle and larger occupied space, and the welding performance is difficult to guarantee. The other method is to connect the central line with the three-phase star point outgoing lines through a plurality of welding feet, and the other ends of the three-phase windings are respectively connected with the three-phase copper bars. However, in order to facilitate wiring of the stator winding, the three-phase copper bar and the star point line copper bar are arranged on the outer side of the stator core and are arranged concentrically with the stator core, so that the thickness of four layers of copper bars is increased on the radial outer side of the stator winding, and the mutual staggered structure of the welding feet among the copper bars is complex, so that the overall space of the motor is increased, and the welding and insulation difficulties of the copper bars are caused. Therefore, the existing wiring mode for the stator winding has the problems of large occupied space, difficult wiring and poor insulation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flat copper wire armature arranges structure and uses the motor of this structure. The cable connector has the characteristics of compact structure, convenience in wiring and good insulativity.
The technical scheme of the utility model: a flat copper wire armature busbar structure comprises a busbar insulation stator framework, wherein a U-phase copper bar, a V-phase copper bar, a W-phase copper bar and a plurality of star point line copper bars are arranged on the busbar insulation stator framework respectively, and the U-phase copper bar, the V-phase copper bar, the W-phase copper bar and the star point line copper bars are insulated from each other through the busbar insulation stator framework.
In the above-mentioned female structure of arranging of flat copper wire armature, female insulating stator skeleton of arranging is at the outside injection moulding of U looks copper bar, W looks copper bar and star point line copper bar, the mutual lock of V looks copper bar and female insulating stator skeleton of arranging.
In the above-mentioned flat copper wire armature busbar structure, the busbar insulation stator framework is provided with a buckle matched with the V-phase copper bar.
In the flat copper wire armature busbar structure, the U-phase copper bar and the star point line copper bar are axially located above the welding end of the stator winding, and the V-phase copper bar and the W-phase copper bar are radially located outside the welding end of the stator winding.
In the flat copper wire armature busbar structure, the U-phase copper bar and the star point line copper bar are arranged side by side at equal heights, and the V-phase copper bar and the W-phase copper bar are arranged concentrically at equal heights.
In the aforementioned flat copper wire armature busbar structure, the busbar insulation stator skeleton wraps up the middle part of U looks copper bar, V looks copper bar, W looks copper bar and star point line copper bar completely respectively, the leg that welds of U looks copper bar, V looks copper bar, W looks copper bar and star point line copper bar extends to the busbar insulation stator skeleton outside and with stator winding's weld end interconnect.
In the flat copper wire armature busbar structure, the U-phase copper bar, the V-phase copper bar and the W-phase copper bar respectively comprise the leading-out terminal and the plurality of welding feet, the connecting copper bar is formed between the adjacent welding feet, the width of each connecting copper bar is consistent, and the width of the different connecting copper bars is reduced along with the distance between the connecting copper bars and the leading-out terminal from near to far in sequence.
A motor comprises the flat copper wire armature busbar structure.
In the motor, the motor comprises a stator core, a plurality of stator slots are annularly distributed on the stator core, and stator windings are arranged in the stator slots; the stator winding is formed by a plurality of conductor sections through interconnection, and each stator slot is internally provided with a plurality of conductor sections along the radial direction of the stator core, and the stator winding of the stator slot inner layer is respectively provided with a U-phase leading-out wire welding end and a star point leading-out wire welding end which extend to the upper end of the stator core, and the stator winding of the stator slot outer layer is respectively provided with a V-phase leading-out wire welding end and a W-phase leading-out wire welding end which extend to the outer side of the stator core, wherein the U-phase leading-out wire welding end and the star point leading-out wire welding end are connected with a U-phase copper bar and a star point copper bar, and the V-phase.
Compared with the prior art, the utility model has the advantages that the U-phase copper bar, the V-phase copper bar, the W-phase copper bar and the star point line copper bar are connected with each other through the busbar insulation stator framework, so that the position accuracy, the structural strength and the insulation effect among the copper bars can be improved, and the welding of operators is convenient; the structure that the copper bars are mutually connected through the bus bar insulating stator framework can also enable the original strip-shaped star point line copper bar to be respectively divided into a plurality of small sections, thereby reducing the material and reducing the arrangement difficulty of the copper bars; by arranging the star point line copper bar and the U-phase copper bar above the stator winding and arranging the V-phase copper bar and the W-phase copper bar outside the stator winding, the space at the top and the outside of the stator winding can be effectively utilized, so that the radial size required by the busbar assembly is reduced, and the outer diameter of the stator winding is prevented from being larger than that of a stator core; through with the mutual lock of V looks copper bar behind female insulating stator skeleton injection moulding of arranging, then can make things convenient for other copper bars to the control of the positioning accuracy that moulds plastics to guarantee female wall thickness degree of consistency of arranging insulating stator skeleton, thereby improve female structural strength who arranges insulating stator skeleton.
In addition, the utility model can improve the connection stability of the V-phase copper bar and the bus bar insulating stator framework through the buckle matched with the V-phase copper bar; the width of each connecting copper bar in the same copper bar is reduced along with the distance of the leading-out terminal in sequence, so that the material required by the copper bars can be further saved while the electrifying stability is ensured. Therefore, the utility model has the characteristics of compact structure, convenient wiring and insulating nature are good.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is a distribution structure diagram of a U-phase copper bar, a V-phase copper bar, a W-phase copper bar and a star point line copper bar;
fig. 3 is a schematic structural view of a V-phase copper bar and a busbar insulation stator framework at a buckling position;
FIG. 4 is a diagram of a bond joint of a solder tail and a bonding end of a lead wire;
fig. 5 is an external view of a stator of the motor.
The labels in the figures are: 1-busbar insulation stator framework, 2-U-phase copper bar, 3-V-phase copper bar, 4-W-phase copper bar, 5-star point line copper bar, 6-buckle, 7-leading-out terminal, 8-welding leg, 9-connecting copper bar, 10-stator iron core, 11-stator slot and 12-stator winding.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. A flat copper wire armature busbar structure is shown in figure 1 and comprises a busbar insulation stator framework 1, wherein a U-phase copper bar 2, a V-phase copper bar 3, a W-phase copper bar 4 and four star-point line copper bars 5 are respectively arranged on the busbar insulation stator framework 1, and the U-phase copper bar 2, the V-phase copper bar 3, the W-phase copper bar 4 and the star-point line copper bars 5 are mutually insulated through the busbar insulation stator framework 1; the insulation thickness between adjacent copper bars is more than 1.5 mm.
Female insulating stator skeleton 1 of arranging is at the outside injection moulding of U looks copper bar 2, W looks copper bar 4 and star point line copper bar 5, and female insulating stator skeleton 1 of arranging reserves the groove of moulding plastics of connecting V looks copper bar 3 after moulding plastics, V looks copper bar 3 and female insulating stator skeleton 1 mutual lock of arranging.
And a buckle 6 matched with the V-phase copper bar 3 is arranged on the busbar insulation stator framework 1.
The U-phase copper bar 2 and the star point line copper bar 5 are axially located above the welding end of the stator winding, and the V-phase copper bar 3 and the W-phase copper bar 4 are radially located outside the welding end of the stator winding.
The U-phase copper bar 2 and the star point line copper bar 5 are arranged side by side in equal height, and the V-phase copper bar 3 and the W-phase copper bar 4 are arranged concentrically in equal height.
Female insulating stator skeleton 1 of arranging wraps up the middle part of U looks copper bar 2, V looks copper bar 3, W looks copper bar 4 and star point line copper bar 5 completely respectively, U looks copper bar 2, V looks copper bar 3, W looks copper bar 4 and star point line copper bar 5's leg 8 extends to female insulating stator skeleton 1 outside of arranging and with stator winding's weld end interconnect, the weld length of leg 8 and weld end is more than 6 mm.
U looks copper bar 2, V looks copper bar 3 and W looks copper bar 4 all include leading-out terminal 7 and a plurality of leg 8, form between the adjacent leg 8 and connect copper bar 9, and every width of connecting copper bar 9 is unanimous, and the width of different connection copper bars 9 reduces by near to far away in proper order along with connecting the distance between copper bar 9 and the leading-out terminal 7.
The motor comprises the flat copper wire armature busbar structure.
A motor comprises a stator core 10, wherein 72 stator slots 11 are annularly distributed on the stator core 10, stator windings 12 are arranged in the stator slots 11, and the stator windings 12 are 8-pole 4-branch stator windings; stator winding 12 is formed by a plurality of conductor segment interconnect, the conductor segment is flat copper line, is equipped with six layers of conductor segment along stator core 10's radial in every stator slot 11, and stator winding 12 on stator slot 11 inlayer is equipped with the U looks leading-out wire welding end and the star point leading-out wire welding end that extend to stator core 10 upper end respectively, stator winding 12 on stator slot 11 skin is equipped with the V looks leading-out wire welding end and the W looks leading-out wire welding end that extend to the stator core 10 outside respectively, U looks leading-out wire welding end and star point leading-out wire welding end connect U looks copper bar 2 and star point line copper bar 5, V looks leading-out wire welding end and W looks leading-out wire welding end.
The cross-sectional area of the solder leg 8 is 1.5 times of the cross-sectional area of the conductor section.
The utility model discloses a theory of operation: when the utility model is processed, each copper bar is firstly formed by stamping and bending, and then the U-phase copper bar 2, the W-phase copper bar 4 and the star point line copper bar 5 are injected to form a busbar insulation stator framework 1; and then buckling the V-phase copper bar 3 into the corresponding injection molding groove, and fixing the V-phase copper bar 3 firmly by utilizing the buckle 6, so that the busbar insulation stator framework 1 can connect the copper bars with each other and keep a stable insulation effect. When the busbar structure is welded, the busbar structure and the stator core 10 are kept coaxial through the tooling, and then the welding feet 8 of each copper bar are connected with the welding ends of the lead-out wires of the stator winding 12 respectively, so that the armature busbar is welded and fixed.
Claims (9)
1. The utility model provides a flat copper line armature busbar structure which characterized in that: the bus-bar insulation stator comprises a bus-bar insulation stator framework (1), wherein a U-phase copper bar (2), a V-phase copper bar (3), a W-phase copper bar (4) and a plurality of star point line copper bars (5) are respectively arranged on the bus-bar insulation stator framework (1), and the U-phase copper bar (2), the V-phase copper bar (3), the W-phase copper bar (4) and the star point line copper bars (5) are mutually insulated through the bus-bar insulation stator framework (1).
2. The flat copper wire armature busbar structure according to claim 1, characterized in that: female insulating stator skeleton (1) of arranging is at the outside injection moulding of U looks copper bar (2), W looks copper bar (4) and star point line copper bar (5), V looks copper bar (3) and female mutual lock of arranging insulating stator skeleton (1).
3. The flat copper wire armature busbar structure according to claim 2, characterized in that: and a buckle (6) matched with the V-phase copper bar (3) is arranged on the busbar insulation stator framework (1).
4. The flat copper wire armature busbar structure according to claim 1, characterized in that: the U-phase copper bar (2) and the star point line copper bar (5) are axially located above the welding end of the stator winding, and the V-phase copper bar (3) and the W-phase copper bar (4) are radially located on the outer side of the welding end of the stator winding.
5. The flat copper wire armature busbar structure according to claim 4, characterized in that: u looks copper bar (2) and star point line copper bar (5) are the same highly set up side by side, V looks copper bar (3) and W looks copper bar (4) are the same highly concentric setting.
6. The flat copper wire armature busbar structure according to claim 1, characterized in that: female insulating stator skeleton (1) of arranging wraps up the middle part of U looks copper bar (2), V looks copper bar (3), W looks copper bar (4) and star point line copper bar (5) completely respectively, weld leg (8) of U looks copper bar (2), V looks copper bar (3), W looks copper bar (4) and star point line copper bar (5) extend to female insulating stator skeleton (1) outside of arranging and with stator winding's weld end interconnect.
7. The flat copper wire armature busbar structure according to claim 1, characterized in that: u looks copper bar (2), V looks copper bar (3) and W looks copper bar (4) all include leading-out terminal (7) and a plurality of leg (8), form between adjacent leg (8) and connect copper bar (9), and every width of connecting copper bar (9) is unanimous, and the width of different connection copper bar (9) reduces by near to far away in proper order along with connecting copper bar (9) and the distance of leading-out between terminal (7).
8. An electric machine characterized by: the motor comprises the flat copper wire armature busbar structure according to any one of claims 1 to 7.
9. An electric machine as claimed in claim 8, characterized in that: the motor comprises a stator core (10), a plurality of stator slots (11) are annularly distributed on the stator core (10), and stator windings (12) are arranged in the stator slots (11); stator winding (12) are formed by a plurality of conductor segment interconnect, are equipped with multilayer conductor section along the radial of stator core (10) in every stator slot (11), and stator winding (12) on stator slot (11) inlayer are equipped with U looks leading-out line welded end and star point leading-out line welded end that extend to stator core (10) upper end respectively, stator winding (12) on stator slot (11) skin are equipped with V looks leading-out line welded end and the W looks leading-out line welded end that extend to stator core (10) outside respectively, U looks leading-out line welded end and star point leading-out line welded end connect U looks copper bar (2) and star point line copper bar (5), V looks leading-out line welded end and W looks leading-out line welded end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022959490.1U CN213693273U (en) | 2020-12-09 | 2020-12-09 | Flat copper wire armature busbar structure and motor applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022959490.1U CN213693273U (en) | 2020-12-09 | 2020-12-09 | Flat copper wire armature busbar structure and motor applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213693273U true CN213693273U (en) | 2021-07-13 |
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ID=76738872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022959490.1U Active CN213693273U (en) | 2020-12-09 | 2020-12-09 | Flat copper wire armature busbar structure and motor applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213693273U (en) |
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2020
- 2020-12-09 CN CN202022959490.1U patent/CN213693273U/en active Active
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