CN218733507U - Series-parallel connection sharing lead frame assembly of motor stator - Google Patents
Series-parallel connection sharing lead frame assembly of motor stator Download PDFInfo
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- CN218733507U CN218733507U CN202223013297.4U CN202223013297U CN218733507U CN 218733507 U CN218733507 U CN 218733507U CN 202223013297 U CN202223013297 U CN 202223013297U CN 218733507 U CN218733507 U CN 218733507U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/64—Electric machine technologies in electromobility
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Abstract
A series-parallel shared lead frame assembly of a motor stator comprises a lead frame for series connection and a lead frame for parallel connection, wherein the lead frame for series connection comprises a series connection annular wall, a plurality of series connection winding groups, a plurality of series connection incoming line hook grooves, a plurality of series connection outgoing line hook grooves and a plurality of series connection extension hook grooves are arranged on the series connection annular wall, the lead frame for parallel connection comprises a parallel connection annular wall, and a plurality of parallel connection winding groups, a plurality of parallel connection outgoing line hook grooves, a plurality of parallel connection rotary hook grooves and a plurality of parallel connection extension hook grooves are arranged on the parallel connection annular wall. The series lead frame and the parallel lead frame can be used for series winding and parallel winding at the same time, and a manufacturer only needs to prepare two kinds of lead frames, so that the aim of greatly reducing the manufacturing cost can be achieved.
Description
Technical Field
The present invention relates to a lead frame assembly for a motor stator, and more particularly to a series-parallel shared lead frame assembly capable of being used for series winding and parallel winding.
Background
The motor iron core is a core component in the motor, which usually includes a rotor and a stator, the rotor is composed of a plurality of punching sheets mutually overlapped along an imaginary axis, and the rotor is provided with a magnet, the stator is sleeved around the rotor, the stator is provided with a stator iron core, an upper lead frame and a lower lead frame, the upper lead frame and the lower lead frame are respectively arranged at two opposite ends of the stator iron core, and a plurality of winding parts corresponding to each other are arranged on the stator iron core, the upper lead frame and the lower lead frame, coils can be wound on the winding parts in a parallel winding mode or a series winding mode, wherein the upper lead frame is used as an outgoing line end, and two ends of the coils after the windings are finished are extended outwards by the upper lead frame.
In the prior art, in addition to designing different upper and lower lead frames for parallel and serial windings, the upper and lower lead frames for the same application (parallel or serial windings) are different in shape, i.e., four different lead frames must be designed and four different molds must be developed for the four different lead frames, so that there is a problem of high manufacturing cost.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned problems in the prior art, an object of the present invention is to provide a lead frame assembly for a motor stator, which can be used for series winding and parallel winding.
In order to achieve the above-mentioned creation purpose, the utility model discloses a technical means is for designing the series-parallel connection sharing lead frame subassembly of a motor stator, and it includes:
a wire frame for serial connection, which comprises a serial connection ring wall, a plurality of serial connection winding groups, a plurality of serial connection wire inlet hook grooves, a plurality of serial connection wire outlet hook grooves and a plurality of serial connection extension hook grooves;
the plurality of series winding groups are arranged on an inner circumferential surface of the series annular wall, each series winding group comprises a wire inlet winding part, a wire outlet winding part and an extension winding part, and the wire inlet winding part, the extension winding part and the wire outlet winding part of each series winding group are arranged on the series annular wall at equal intervals and angles;
the plurality of serially connected wire inlet hook grooves are concavely formed on one outer end edge of the serially connected annular wall and correspond to wire inlet winding parts of the plurality of serially connected winding groups in position respectively, the plurality of serially connected wire outlet hook grooves are concavely formed on the outer end edge of the serially connected annular wall and correspond to wire outlet winding parts of the plurality of serially connected winding groups in position respectively, and the plurality of serially connected extending hook grooves are concavely formed on the outer end edge of the serially connected annular wall and correspond to the extending winding parts of the plurality of serially connected winding groups in position two by two respectively;
the wire frame for parallel connection comprises a parallel connection annular wall, a plurality of parallel connection winding groups, a plurality of parallel connection outgoing line hook grooves, a plurality of parallel connection rotary hook grooves and a plurality of parallel connection extension hook grooves;
the parallel winding groups are arranged on an inner circumferential surface of the parallel annular wall, each parallel winding group comprises an incoming and outgoing winding part, a rotary winding part and an extending winding part, and the incoming and outgoing winding part, the rotary winding part and the extending winding part of each parallel winding group are arranged on the parallel annular wall at equal intervals and angles;
the multiple parallel-connection outgoing hook grooves are concavely formed on one outer end edge of the parallel-connection annular wall, the positions of the multiple parallel-connection outgoing hook grooves are respectively corresponding to the incoming outgoing line winding parts of the multiple parallel-connection winding groups in a pairwise and group-by-group mode, the inner concave parts of the multiple parallel-connection rotary hook grooves are formed on the outer end edge of the parallel-connection annular wall in a pairwise and group-by-group mode, the positions of the multiple parallel-connection rotary hook grooves are respectively corresponding to the rotary winding parts of the multiple parallel-connection winding groups in a pairwise and group-by-group mode, and the positions of the multiple parallel-connection extending hook grooves are respectively corresponding to the extending winding parts of the multiple parallel-connection winding groups in a concave mode.
In the serial-parallel connection shared lead frame assembly of the motor stator, the lead frame for serial connection can further comprise a plurality of serial connection guide convex parts which are arranged on one outer peripheral surface of the serial connection annular wall at intervals.
In the series-parallel connection shared lead frame component of the motor stator, the series connection lead frame can further comprise a plurality of series connection positioning convex parts, and the plurality of series connection positioning convex parts are arranged on the outer peripheral surface of the series connection annular wall at intervals and extend towards the direction of an inner end edge of the series connection annular wall.
In the series-parallel connection shared lead frame assembly of the motor stator, the parallel connection lead frame may further include a plurality of parallel connection guide protrusions, and the plurality of parallel connection guide protrusions are disposed on an outer circumferential surface of the parallel connection annular wall at intervals.
In the series-parallel connection shared lead frame assembly of the motor stator, the parallel connection lead frame may further include a plurality of parallel connection positioning protrusions, and the plurality of parallel connection positioning protrusions are disposed on an outer circumferential surface of the parallel connection annular wall at intervals and protrude in a direction of an inner end edge of the parallel connection annular wall.
By the above design, the serial lead frame and the parallel lead frame can be used for serial winding and parallel winding at the same time, when parallel winding is performed, the serial lead frame is used as an outgoing line terminal, and when serial winding is performed, the parallel lead frame is used as an outgoing line terminal, so that a manufacturer only needs to prepare the serial lead frame and the parallel lead frame, and the aim of greatly reducing the manufacturing cost can be achieved.
Drawings
Fig. 1 is a perspective view of the present invention in use.
Fig. 2 is another perspective view of the present invention in use.
Fig. 3 is a perspective view of the lead frame for serial connection according to the present invention.
Fig. 4 is another perspective view of the lead frame for serial connection according to the present invention.
Fig. 5 is a perspective view of a parallel lead frame according to the present invention.
Fig. 6 is another perspective view of the parallel lead frame according to the present invention.
Fig. 7 is a schematic diagram of the parallel winding of the present invention.
Fig. 8 is a schematic diagram of the series winding of the present invention.
Detailed Description
The technical means adopted by the present invention to achieve the predetermined novel object will be further described below with reference to the drawings and the preferred embodiments of the present invention.
Referring to fig. 1 and 2, the present invention provides a serial-parallel common lead frame assembly for a motor stator, which includes a serial lead frame 10 and a parallel lead frame 20, wherein the serial lead frame 10 and the parallel lead frame 20 are respectively mounted at both ends of a stator core 30.
Referring to fig. 3, 4 and 8, the lead frame 10 for serial connection is assembled to one of the two ends of the stator core 30, and includes a serial connection annular wall 11, a plurality of serial connection winding groups 12, a plurality of serial connection incoming hook grooves 13, a plurality of serial connection outgoing hook grooves 14, a plurality of serial connection extending hook grooves 15, a plurality of serial connection guiding protrusions 16 and a plurality of serial connection positioning protrusions 17.
The serial connection annular wall 11 surrounds an imaginary central axis, the serial connection annular wall 11 has an inner peripheral surface and an outer peripheral surface at two opposite sides, and has an outer end edge and an inner end edge at two opposite ends, and the inner end edge of the serial connection annular wall 11 is assembled to the stator core 30.
The plurality of series winding groups 12 are disposed on the inner circumferential surface of the series annular wall 11, each series winding group 12 includes an incoming winding portion 121, an outgoing winding portion 122 and an extended winding portion 123, the incoming winding portion 121, the extended winding portion 122 and the outgoing winding portion 123 of each series winding group 12 are disposed on the series annular wall 11 at equal intervals, and specifically, the incoming winding portion 121, the extended winding portion 122 and the outgoing winding portion 123 of each series winding group 12 are disposed on the series annular wall 11 at intervals of 120-degree central angles.
The serially connected wire-entering hooking grooves 13 are concavely formed on the outer end edge of the serially connected annular wall 11 and respectively correspond to the wire-entering winding parts 121 of the serially connected winding groups 12. The serially connected wire-outgoing hook grooves 14 are concavely formed on the outer edge of the serially connected annular wall 11, and are respectively located corresponding to the wire-outgoing winding portions 122 of the serially connected winding groups 12. The serially extending hook grooves 15 are concavely formed on the outer edge of the serially connecting annular wall 11, and are respectively positioned in pairs corresponding to the extending winding portions 123 of the serially connecting winding groups 12.
The plurality of serial connection guiding protrusions 16 are disposed on the outer peripheral surface of the serial connection annular wall 11 at intervals, and are located on a plurality of imaginary planes, and the imaginary planes are perpendicular to the imaginary central axis surrounded by the serial connection annular wall 11, so that a channel for guiding the extension of the winding coil is formed between the serial connection guiding protrusions 16 located on different imaginary planes. In the embodiment of the present invention, the plurality of tandem guide protrusions 16 are respectively located on three imaginary planes parallel to each other.
The plurality of tandem positioning protrusions 17 are disposed on the outer circumferential surface of the tandem annular wall 11 at intervals and protrude toward the inner edge of the tandem annular wall 11, and the tandem positioning protrusions 17 can be correspondingly embedded in the positioning recesses 31 disposed on the outer wall surface of the stator core 30 to fix the relative positions of the lead frame 10 for tandem connection and the stator core 30 so that the two will not rotate relatively.
Referring to fig. 5, 6 and 7, the connecting lead frame 20 is assembled to the other end of the two ends of the stator core 30, and includes a connecting ring wall 21, a plurality of connecting winding groups 22, a plurality of connecting outgoing line hooking grooves 23, a plurality of connecting rotary hooking grooves 24, a plurality of connecting extending hooking grooves 25, a plurality of connecting guiding protrusions 26 and a plurality of connecting positioning protrusions 27.
The connecting ring wall 21 surrounds an imaginary central axis, the connecting ring wall 21 has an inner circumferential surface and an outer circumferential surface at opposite sides, and has an outer end edge and an inner end edge at opposite ends, and the inner end edge of the connecting ring wall 21 is connected to the stator core 30.
The multiple parallel winding groups 22 are disposed on the inner circumferential surface of the parallel annular wall 21, each parallel winding group 22 includes an incoming and outgoing winding portion 221, a rotary winding portion 222, and an extending winding portion 223, the incoming and outgoing winding portion 122, the rotary winding portion 222, and the extending winding portion 223 of each parallel winding group 12 are disposed on the parallel annular wall 21 at equal intervals, and specifically, the incoming and outgoing winding portion 221, the rotary winding portion 222, and the extending winding portion 223 of the parallel winding group 22 are disposed on the parallel annular wall 21 at intervals of 120-degree central angle.
The merging outgoing line hooking groove 23 is formed in the outer edge of the merging annular wall 21, and the positions of the merging outgoing line hooking groove 23 and the merging annular wall are respectively corresponding to the incoming outgoing line winding parts 221 of the merging winding groups 22 in a pairwise manner. The parallel rotary hook groove 24 is formed in the outer end edge of the parallel ring wall 21, and the positions of the parallel rotary hook groove and the parallel rotary hook groove are respectively corresponding to the rotary winding parts 222 of the parallel winding groups 22 in a group-by-group manner. The extension hook groove 25 is formed concavely on the outer end edge of the loop wall 21 and corresponds to the extension winding part 223 of the plurality of loop groups 22.
The plurality of parallel guiding protrusions 26 are disposed on the outer circumferential surface of the parallel connection annular wall 21 at intervals, and are located on a plurality of imaginary planes, which are perpendicular to the imaginary central axis surrounded by the parallel connection annular wall 21, so that a channel for extending the winding coil is formed between the parallel guiding protrusions 26 located on different imaginary planes. In the embodiment of the present invention, the plurality of parallel guide protrusions 26 are respectively located on six imaginary planes parallel to each other.
The plurality of engaging positioning protrusions 27 are disposed on the outer peripheral surface of the engaging annular wall 21 at intervals and protrude toward the inner end of the engaging annular wall 21, and the engaging positioning protrusions 27 can be correspondingly embedded in the positioning recesses 31 disposed on the outer wall surface of the stator core 30 to fix the relative positions of the engaging lead frame 20 and the stator core 30 so that the engaging lead frame and the stator core 30 cannot rotate relative to each other.
Referring to fig. 7, when the parallel winding is performed, the serial lead frame 10 is used as an outgoing line end, and a plurality of winding coils L are respectively wound around the plurality of parallel winding groups 22 of the parallel lead frame 20 and the corresponding winding portions of the stator core 30.
First, each winding coil L is extended into the stator core 30 from one end of the serial lead frame 10, and is repeatedly wound on the incoming and outgoing winding portion 221 of one parallel winding group 22 and the corresponding winding portion on the stator core 30; then, the winding coil L extends to the extension winding portion 223 of the same parallel winding group 22 through the parallel incoming outgoing line hooking groove 23, the parallel guiding protrusion 26 and the parallel extension hooking groove 25 of the parallel lead frame 20, and is repeatedly wound on the extension winding portion 223 and the corresponding winding portions of the stator core 30; then, the winding coil L extends to the rotary winding portion 222 of the same parallel winding set 22 through the parallel extending hook slot 25, the parallel guiding protrusion 26 and the parallel rotary hook slot 24 of the parallel lead frame 20, and is repeatedly wound on the rotary winding portion 222 and the corresponding winding portions of the stator core 30; finally, the winding coil L extends back to the in/out winding portion 221 of the same parallel winding set 22 through the parallel guiding protrusion 26 for winding, and extends out of the stator core 30 from the end having the lead frame 10 for series connection.
Referring to fig. 8, when the series winding is performed, the parallel lead frame 20 is used as an outgoing line terminal, and a plurality of winding coils W are respectively wound around the plurality of series winding groups 12 of the series lead frame 10 and the corresponding winding portions of the stator core 30.
First, each winding coil W is inserted into the stator core 30 from one end of the connecting lead frame 20, and is repeatedly wound on the incoming winding portion 121 of one of the series winding groups 12 and the corresponding winding portion of the stator core 30; then, the winding coil W extends to the extension winding portion 123 of the same serial winding set 12 through the serial incoming hook slot 13, the serial guiding protrusion 16 and the serial extension hook slot 15 of the serial lead frame 10, and is repeatedly wound on the extension winding portion 123 and the corresponding winding portion of the stator core 30; the winding coil W is extended to the outgoing winding portion 122 of the same serial winding set 12 through the serial extension hook 15, the serial guide protrusion 16 and the serial outgoing hook 14 of the serial lead frame 10, and is wound on the outgoing winding portion 122 and the corresponding winding portion of the stator core 30 repeatedly, and then extended out of the stator core 30 from the end of the parallel lead frame 20.
The utility model discloses a motor stator's the advantage of series-parallel connection sharing lead frame subassembly lies in, should concatenate and can be used for establishing ties the wire winding and parallelly connected wire winding with lead frame 10 and this and connect with lead frame 20 simultaneously, when carrying out parallelly connected wire winding, with should concatenate and regard as leading-out terminal with lead frame 10, when carrying out the series connection wire winding, with this and connect with lead frame 20 as leading-out terminal, the producer only needs to prepare should concatenate and use lead frame 10 and this and connect with two kinds of lead frames of lead frame 20, so can reach the purpose that reduces manufacturing cost by a wide margin.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and although the present invention has been disclosed with the preferred embodiment, it is not intended to limit the present invention, and any skilled person familiar with the art can still fall within the scope of the technical solution of the present invention according to any simple modification, equivalent change and modification of the technical substance of the present invention to the above embodiments.
Claims (7)
1. A series-parallel shared lead frame component of a motor stator is characterized by comprising a series lead frame and a parallel lead frame, wherein the series lead frame and the parallel lead frame are respectively used for being arranged at two ends of a stator, and the series lead frame and the parallel lead frame are respectively used for being arranged at two ends of the stator, wherein:
the lead frame for series connection comprises a series connection annular wall, a plurality of series connection winding groups, a plurality of series connection wire inlet hook grooves, a plurality of series connection wire outlet hook grooves and a plurality of series connection extension hook grooves;
the plurality of series winding groups are arranged on an inner circumferential surface of the series annular wall, each series winding group comprises a wire inlet winding part, a wire outlet winding part and an extension winding part, and the wire inlet winding part, the wire outlet winding part and the wire outlet winding part of each series winding group are arranged on the series annular wall at equal intervals and angles;
the plurality of serially connected wire inlet hook grooves are concavely formed on one outer end edge of the serially connected annular wall and correspond to wire inlet winding parts of the plurality of serially connected winding groups in position respectively, the plurality of serially connected wire outlet hook grooves are concavely formed on the outer end edge of the serially connected annular wall and correspond to wire outlet winding parts of the plurality of serially connected winding groups in position respectively, and the plurality of serially connected extending hook grooves are concavely formed on the outer end edge of the serially connected annular wall and correspond to the extending winding parts of the plurality of serially connected winding groups in position two by two in groups respectively;
the wire frame for parallel connection comprises a parallel connection annular wall, a plurality of parallel connection winding groups, a plurality of parallel connection outgoing line hook grooves, a plurality of parallel connection rotary hook grooves and a plurality of parallel connection extension hook grooves;
the parallel winding groups are arranged on an inner circumferential surface of the parallel annular wall, each parallel winding group comprises an incoming and outgoing winding part, a rotary winding part and an extending winding part, and the incoming and outgoing winding part, the rotary winding part and the extending winding part of each parallel winding group are arranged on the parallel annular wall at equal intervals and angles;
the multiple parallel connection outgoing hook grooves are formed at one outer end edge of the parallel connection annular wall in a concave mode, the positions of the multiple parallel connection outgoing hook grooves correspond to incoming outgoing line winding parts of the multiple parallel connection winding groups in a pairwise mode, the positions of the multiple parallel connection outgoing hook grooves correspond to the positions of incoming outgoing line winding parts of the multiple parallel connection winding groups in a pairwise mode, the positions of the multiple parallel connection rotary hook grooves are formed at the outer end edge of the parallel connection annular wall in a concave mode, the positions of the parallel connection outgoing hook grooves correspond to extending winding parts of the multiple parallel connection winding groups in a pairwise mode, the inner concave shape of the multiple parallel connection extending hook grooves corresponds to the outer end edge of the parallel connection annular wall in a concave mode, and the positions of the parallel connection extending winding parts correspond to the multiple parallel connection winding groups in a partitioning mode.
2. The series-parallel shared lead frame assembly for a motor stator according to claim 1, wherein the series lead frame further comprises a plurality of series guiding protrusions, and the plurality of series guiding protrusions are disposed on an outer circumferential surface of the series annular wall at intervals.
3. The series-parallel shared lead frame assembly for a motor stator according to claim 1, wherein the series lead frame further comprises a plurality of series positioning protrusions, the plurality of series positioning protrusions being disposed on an outer peripheral surface of the series annular wall at intervals and protruding toward an inner end edge of the series annular wall.
4. The series-parallel shared lead frame assembly of a motor stator as claimed in claim 2, wherein the series lead frame further comprises a plurality of series positioning protrusions spaced apart from each other on an outer circumferential surface of the series annular wall and protruding toward an inner end of the series annular wall.
5. The assembly as claimed in any one of claims 1 to 4, wherein the joining lead frame further comprises a plurality of joining guide protrusions spaced apart from each other on an outer circumferential surface of the joining annular wall.
6. The series-parallel shared lead frame assembly of a motor stator according to any one of claims 1 to 4, wherein the connecting lead frame further comprises a plurality of connecting positioning protrusions, the connecting positioning protrusions are disposed on an outer peripheral surface of the connecting ring wall at intervals and protrude in a direction of an inner end edge of the connecting ring wall.
7. The series-parallel shared lead frame assembly for a motor stator as claimed in claim 5, wherein the joining lead frame further comprises a plurality of joining positioning protrusions, the joining positioning protrusions being disposed on the outer circumferential surface of the joining annular wall at intervals and protruding toward an inner end edge of the joining annular wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223013297.4U CN218733507U (en) | 2022-11-11 | 2022-11-11 | Series-parallel connection sharing lead frame assembly of motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223013297.4U CN218733507U (en) | 2022-11-11 | 2022-11-11 | Series-parallel connection sharing lead frame assembly of motor stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218733507U true CN218733507U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223013297.4U Active CN218733507U (en) | 2022-11-11 | 2022-11-11 | Series-parallel connection sharing lead frame assembly of motor stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218733507U (en) |
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2022
- 2022-11-11 CN CN202223013297.4U patent/CN218733507U/en active Active
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