CN220732477U - Composite busbar structure for flat wire motor - Google Patents
Composite busbar structure for flat wire motor Download PDFInfo
- Publication number
- CN220732477U CN220732477U CN202322457307.1U CN202322457307U CN220732477U CN 220732477 U CN220732477 U CN 220732477U CN 202322457307 U CN202322457307 U CN 202322457307U CN 220732477 U CN220732477 U CN 220732477U
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- Prior art keywords
- busbar
- phase outgoing
- phase
- plastic
- plastic framework
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- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 239000004033 plastic Substances 0.000 claims abstract description 48
- 229920003023 plastic Polymers 0.000 claims abstract description 48
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000007935 neutral effect Effects 0.000 claims abstract description 26
- 238000003466 welding Methods 0.000 claims abstract description 21
- 238000001746 injection moulding Methods 0.000 claims abstract description 12
- 230000003044 adaptive effect Effects 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims description 23
- 239000010949 copper Substances 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 239000006223 plastic coating Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009954 braiding Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model relates to a composite busbar structure for a flat wire motor, which comprises a composite busbar body, wherein the composite busbar body comprises a plastic framework, a neutral point busbar is arranged on the upper side of the plastic framework, the lower side of the plastic framework is deviated from the right end to be connected with a three-phase outgoing line busbar in an adaptive manner, and the neutral point busbar, the three-phase outgoing line busbar and the plastic framework are all connected in an adaptive manner to form an integral part; the wire plugging cavity is limited in the left side of the plastic framework, the fixing groove is formed in the right side of the center position of the plastic framework, the mounting cavity is formed in the center position of the composite busbar body, the whole structure is used for simplifying the assembly and manufacturing process of the whole machine, the assembly workload and the difficulty are reduced through the integrated design, the insulation risk is reduced through the injection molding mode, the occupation space of the composite busbar is reduced through the design of the extending directions of different areas, and the copper wire is easy to penetrate through the busbar through the positioning limiting area, so that the copper wire is suitable for automatic welding operation.
Description
Technical Field
The utility model relates to the technical field of motor busbar structures, in particular to a composite busbar structure for a flat wire motor.
Background
The flat wire motor changes a stator of a traditional motor from a strand wire formed by braiding one copper wire into a copper bar flat wire with a rectangular cross section, has the advantages of small volume, material saving, high efficiency, strong heat conduction, low temperature rise, small noise and the like, and has higher and higher proportion in the new energy automobile motor along with the trend of the development of the new energy automobile motor to miniaturization and integration;
the solution of the bus bar of the flat wire motor has various patterns, or uses the copper bars of the spare part to weld sequentially according to the need, then carry on insulating coating to the single copper bar sequentially, or integrate the copper bar of the spare part to form the semi-plastic composite bus bar of integral type, the non-welded surface of copper bar is made insulating coating, or carry on the complete plastic composite bus bar of integral type to the copper bar of integral type, only make insulating coating etc. to welding wire, along with the large batch application of the flat wire motor, the motor compactibility requires, simplify the process, raise the efficiency, meet all kinds of demands such as the automatic operation and appear, at present the bus bar of the flat wire motor mainly needs to solve the bus bar occupation space big, the number of the copper bars of spare part is too much, the operation process is many, the automatic welding is inconvenient, the inconvenient scheduling problem of the installation of the thermosensitive element.
Patent number CN202223434280.6 discloses a novel motor wiring busbar structure, it is through female skeleton and a set of female arranging of establishing on female skeleton of arranging, be equipped with the fixed knot who links to each other with motor stator skeleton on the skeleton of arranging, the skeleton of arranging and a set of female skeleton of arranging are assembled after shaping alone and are formed the wiring busbar structure, a set of female arranging is through inserting the joint location on female skeleton of arranging. The busbar and the busbar skeleton are integrated in a mode of being formed respectively and then assembled later, so that the difficulty of integration can be reduced, the material consumption of a plastic skeleton can be reduced, the manufacturing qualification rate can be effectively improved, and the manufacturing cost can be reduced; the integrated mode of post assembly can effectively avoid the quality problems of bus deformation caused by large injection pressure, too small safety distance between conductors, unqualified insulating property and the like during integral injection molding, and improves the reliability of the system; the structure can effectively improve the compactness, reduces the total weight of parts, is convenient for batch and automated production, but the structure has the following problems: firstly, the assembly and welding processes are complex, secondly, the occupied space is large, and the automatic welding operation cannot be adapted.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, is beneficial to shrinking the axial and radial space of the winding end part through an integrated design, simplifies the working procedure, reduces the failure risk of the copper bar insulating layer, and solves the technical problems of complex welding process, low production efficiency and high production cost.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the composite busbar structure for the flat wire motor comprises a composite busbar body, wherein the composite busbar body comprises a plastic framework, a neutral point busbar is arranged on the upper side of the plastic framework, the right end of the lower side of the plastic framework is adaptively connected with a three-phase outgoing line busbar, and the neutral point busbar, the three-phase outgoing line busbar and the plastic framework are adaptively connected to form an integral part;
the plastic framework, the restriction plug wire chamber has been seted up in plastic framework left side, and plastic framework central point puts and has seted up fixed recess on the right side, just compound female row body central point put and be provided with the installation cavity.
Preferably, the three-phase outgoing line bus bar and the neutral point bus bar are formed by stamping and bending through copper plates, the plastic framework is formed by injection molding, and the three-phase outgoing line bus bar and the neutral point bus bar are connected with the plastic framework in an injection molding mode.
Preferably, the plastic skeleton is in fan-shaped distribution, three-phase outgoing line buses are arranged on the inner side of the fan-shaped structure, non-welding areas and plastic coating portions of the three-phase outgoing line buses extend along the radial direction, neutral point buses are arranged on the outer side of the fan-shaped structure, and the non-welding areas and the plastic coating portions of the neutral point buses extend along the axial direction.
Preferably, the defined wire insertion cavity is arranged in the wire outlet area to be welded, which is close to the neutral point busbar and the three-phase outgoing wire busbar.
Preferably, copper bars are arranged in the mounting cavity wall, and the copper bars are outwards protruded to be higher than the plastic framework.
As still another preferred aspect, the three-phase outgoing line busbar includes a W-phase outgoing block, a V-phase outgoing block, and a U-phase outgoing block, the W-phase outgoing block being connected to the W-phase, the V-phase outgoing block being connected to the V-phase, and the U-phase outgoing block being connected to the U-phase.
The utility model has the beneficial effects that:
(1) According to the utility model, the injection molding piece is integrally molded according with the busbar body, so that the insulation risk is reduced.
(2) According to the utility model, through the integrated design that the neutral point bus bars and the three-phase outgoing line bus bars are all connected with the plastic framework in an adaptive manner, the assembly workload and the difficulty are reduced.
(3) According to the utility model, through the design of the extending directions of different areas, the occupied space of the composite busbar body is reduced.
(4) According to the utility model, the wire insertion cavity and the fixing groove are limited, so that copper wires can easily pass through the busbar, and the automatic welding device is suitable for automatic welding operation.
In conclusion, the structure has the advantages of small occupied space, simple structure, high integration level, easiness in assembly and convenience in automatic welding operation conditions, and is particularly suitable for the technical field of motor busbar structures.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings described below are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model.
Fig. 3 is an enlarged schematic view of the structure at a in the present utility model.
Detailed Description
The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to 3, the utility model provides a composite busbar structure for a flat wire motor, which comprises a composite busbar body 1, wherein the composite busbar body 1 comprises a plastic framework 11, a neutral point busbar 12 is arranged on the upper side of the plastic framework 11, a three-phase outgoing line busbar 13 is adaptively connected to the right end of the lower side of the plastic framework 11, and the neutral point busbar 12, the three-phase outgoing line busbar 13 and the plastic framework 11 are adaptively connected to form an integral part;
the plastic framework 11, the restriction plug wire chamber 14 has been seted up in plastic framework 11 left side, and plastic framework 11 central point puts and has seted up fixed recess 15 to the right side, just compound female row body 1 central point puts and is provided with installation cavity 16.
Further, the three-phase outgoing line bus bar 13 and the neutral point bus bar 12 are formed by punching and bending through copper plates, the plastic framework 11 is formed by injection molding, the three-phase outgoing line bus bar 13 and the neutral point bus bar 12 are connected with the plastic framework 11 in an injection molding mode, the non-welding sides of the three-phase outgoing line bus bar 13 and the neutral point bus bar 12 are fixed and insulated in an injection molding mode, the injection molding material is DuPont PPA, the heat resistance, the high toughness and the hydrolysis resistance are achieved, the high strength and the rigidity can be kept in a wide temperature range, chemicals and humid environments, the copper bar insulation process is improved, and the problems that an insulating layer is invalid, an insulating layer is cracked and the like due to large exposed area, high temperature, physical collision and the like of a single copper bar coating layer are solved.
Further, the plastic framework 11 is in fan-shaped distribution, the three-phase outgoing line bus bars 13 are arranged on the inner side of the fan-shaped structure, the non-welding area and the plastic coating portion of the three-phase outgoing line bus bars 13 extend along the radial direction, the neutral point bus bars 12 are arranged on the outer side of the fan-shaped structure, the non-welding area and the plastic coating portion of the neutral point bus bars 12 extend along the axial direction, the lamination type design is carried out based on the size of the winding end part, the radial space and the axial space are better used, the motor winding part occupies smaller space, and the motor compactness is better.
Further, the limited wire insertion cavity 14 is arranged in the wire outgoing to-be-welded area adjacent to the neutral point busbar 12 and the three-phase outgoing wire busbar 13, the limited wire insertion cavity 14 is aligned with and penetrates through the three-phase outgoing wire in the installation process, after the composite busbar is installed in place, the composite busbar welding fixture is installed, the outgoing wire is clamped based on the positioning alignment of the busbar sector plane and the fixing groove 15, the welding process is completed, the automatic welding requirement is met through the limitation of the limiting wire insertion cavity 14 and the limitation of the position of the composite busbar, and the welding efficiency of the copper busbar is improved.
Further, be provided with the copper bar in the installation cavity 16 wall, copper bar epirelief exceeds plastics skeleton 11, is provided with the installation cavity 16 that is used for spacing thermosensitive element on the compound busbar body 1, and the copper bar epirelief in the cavity exceeds plastics skeleton, and its size adaptation thermosensitive element probe size, fixed ligature is convenient.
Still further, the three-phase outgoing line busbar 13 includes a W-phase outgoing block 131, a V-phase outgoing block 132 and a U-phase outgoing block 133, the W-phase outgoing block 131 is connected to the W-phase, the V-phase outgoing block 132 is connected to the V-phase, the U-phase outgoing block 133 is connected to the U-phase, and the three-phase outgoing lines are uniformly distributed and have a more ordered structure.
The working process comprises the following steps: firstly, carry out the adaptation with plastics skeleton 11 and neutral point busbar 12 and connect, then be connected with plastics skeleton 11 with three-phase lead-out wire busbar 13, utilize W to draw forth piece 131 to insert the W phase in proper order, V draws forth piece 132 to insert the V phase, U draws forth piece 133 to insert the U phase, the assembly and the manufacturing process of complete machine have been simplified to whole structure, through integrated design, assembly work load and degree of difficulty have been reduced, through adopting injection moulding mode, insulating risk has been reduced, through the design to the extension position in different regions, reduce the occupation space of compound busbar, through setting up the location limit region, make the copper line easily pass the busbar, be suitable for automatic welding operation.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "front and rear", "left and right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or component in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
Of course, in this disclosure, those skilled in the art will understand that the term "a" or "an" is to be interpreted as "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, and in another embodiment, the number of elements may be multiple, and the term "a" is not to be construed as limiting the number.
The foregoing is merely a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art under the technical teaching of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (6)
1. A flat wire motor is with compound female row structure which characterized in that: comprising
The composite busbar body (1), the composite busbar body (1) comprises a plastic framework (11), a neutral point busbar (12) is arranged on the upper side of the plastic framework (11), a three-phase outgoing line busbar (13) is connected to the right end of the lower side of the plastic framework (11) in an adaptive manner, and the neutral point busbar (12), the three-phase outgoing line busbar (13) and the plastic framework (11) are all connected in an adaptive manner to form an integral part;
the plastic framework (11), inject plug wire chamber (14) have been seted up in plastic framework (11) left side, and fixed recess (15) have been seted up on plastic framework (11) central point puts the right side partially, just compound female row body (1) central point put and is provided with installation cavity (16).
2. The composite busbar structure for a flat wire motor according to claim 1, wherein the three-phase outgoing line busbar (13) and the neutral point busbar (12) are formed by stamping and bending a copper plate, the plastic skeleton (11) is formed by injection molding, and the three-phase outgoing line busbar (13) and the neutral point busbar (12) are connected with the plastic skeleton (11) by injection molding.
3. The composite busbar structure for the flat wire motor according to claim 1, wherein the plastic skeleton (11) is in a fan-shaped distribution, three-phase outgoing lines (13) are arranged on the inner side of the fan-shaped distribution, non-welding areas and plastic-coated parts of the three-phase outgoing lines (13) are all extended in the radial direction, neutral point buses (12) are arranged on the outer side of the fan-shaped distribution, and the non-welding areas and the plastic-coated parts of the neutral point buses (12) are extended in the axial direction.
4. A composite busbar structure for a flat wire motor according to claim 1, wherein the defined wire insertion cavity (14) is arranged in the wire outgoing area to be welded in the immediate vicinity of the neutral point busbar (12) and the three-phase outgoing wire busbar (13).
5. The composite busbar structure for the flat wire motor according to claim 1, wherein copper bars are arranged in the wall of the installation cavity (16), and the copper bars are outwards protruded to be higher than the plastic framework (11).
6. The composite busbar structure for the flat wire motor according to claim 1, wherein the three-phase outgoing bus bar (13) comprises a W-phase outgoing block (131), a V-phase outgoing block (132) and a U-phase outgoing block (133), the W-phase outgoing block (131) is connected to the W-phase, the V-phase outgoing block (132) is connected to the V-phase, and the U-phase outgoing block (133) is connected to the U-phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322457307.1U CN220732477U (en) | 2023-09-11 | 2023-09-11 | Composite busbar structure for flat wire motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322457307.1U CN220732477U (en) | 2023-09-11 | 2023-09-11 | Composite busbar structure for flat wire motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220732477U true CN220732477U (en) | 2024-04-05 |
Family
ID=90484215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322457307.1U Active CN220732477U (en) | 2023-09-11 | 2023-09-11 | Composite busbar structure for flat wire motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220732477U (en) |
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2023
- 2023-09-11 CN CN202322457307.1U patent/CN220732477U/en active Active
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