CN219999143U - Stator wire connection structure and motor - Google Patents
Stator wire connection structure and motor Download PDFInfo
- Publication number
- CN219999143U CN219999143U CN202321338267.2U CN202321338267U CN219999143U CN 219999143 U CN219999143 U CN 219999143U CN 202321338267 U CN202321338267 U CN 202321338267U CN 219999143 U CN219999143 U CN 219999143U
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- stator
- connection
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- connecting section
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- 238000005452 bending Methods 0.000 claims abstract description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000003973 paint Substances 0.000 description 6
- 238000004804 winding Methods 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The utility model relates to a stator wire connection structure and a motor, wherein the stator wire connection structure comprises a lead connector and a three-phase lead wire; the lead joint is formed by bending the end part of the stator connecting wire along the broadside direction, the broadside direction is parallel to the axial direction of the stator, and the lead joint is arranged outwards along the radial direction of the stator; one end of the three-phase outgoing line can penetrate through the shell and is connected with the lead connector, and the other end of the three-phase outgoing line is used for being connected with the wire holder. The stator connecting structure can reduce the size of the occupied axial space, thereby solving the problem of axial space arrangement.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a stator wire connecting structure and a motor.
Background
In the existing water-cooled motor, the shell contains a cooling water channel, so that the shell cannot be soaked with paint to prevent the cooling water channel from being blocked by insulating paint, and an iron core (comprising a pressing ring, a tooth pressing plate and a stator punching sheet) is required to be separated from the shell. The pressing ring, the tooth pressing plate and the stator punching sheet are overlapped and then welded by using the buckling sheet to form an iron core, the stator coil is embedded into the iron core, the stator core is integrally painted into the stator core with windings after being connected with the head, the stator core with windings is sleeved in a shell, and finally three-phase outgoing lines are welded and a junction box is assembled.
In the prior art, stator wire leads are arranged at the end parts of coils, and lead joints are welded on the wire leads, and the lead joints occupy larger axial space and are not beneficial to axial installation space arrangement.
How to solve the axial space arrangement problem of the stator connecting wire structure is a technical problem required to be solved by the person skilled in the art.
Disclosure of Invention
The utility model aims to provide a stator wire connecting structure and a motor, which can reduce the size of an axial space occupied by the stator wire connecting structure, thereby solving the problem of axial space arrangement.
In order to solve the technical problems, the utility model provides a stator wire connecting structure, which comprises a wire connector and a three-phase outgoing wire; the lead connector is formed by bending the end part of a stator connecting wire along the broadside direction, the broadside direction is parallel to the axial direction of the stator, and the lead connector is arranged outwards along the radial direction of the stator; one end of the three-phase outgoing line can penetrate through the shell and is connected with the lead connector, and the other end of the three-phase outgoing line is used for being connected with the wire holder.
The end of the stator connecting wire is bent in the broadside direction to form a lead joint, the stator connecting wire is of a flat bar-shaped structure, the width of the stator connecting wire is larger than the thickness of the stator connecting wire, the bent crease of the stator connecting wire is arranged along the width direction of the flat bar-shaped structure, and the width direction of the stator connecting wire is parallel to the axial direction of the stator, so that the bent crease of the stator connecting wire is parallel to the axial direction of the stator. And the lead connector formed by bending is directly arranged outwards along the radial direction of the stator, and the lead connector does not protrude out of the axial end face of the stator connecting wire, so that extra axial space is not occupied, and the axial space arrangement is facilitated.
The number of the lead joints is three, the three lead joints are approximately parallel to each other, and compared with the lead joints which are additionally arranged at the end parts of the stator connecting wires in a welding way, the forming difficulty and the cost are low when the lead joints are formed by bending the stator connecting wires, no additional welding operation is needed, and the size control and the manufacturability are good.
Optionally, the three-phase lead wire is equipped with first linkage segment, first linkage segment is equipped with first junction surface, the width of first junction surface is greater than first linkage segment's thickness, first junction surface with the wall laminating of wire connector is fixed.
Optionally, the three-phase outgoing line includes connecting piece and wiring row, the connecting piece includes the portion of bending, the one side end of portion of bending is equipped with first linkage segment, the opposite side end of portion of bending with the wiring row is fixed.
Optionally, the connecting piece further includes a second connecting section, the second connecting section is provided with a second connecting surface, the second connecting surface is attached and fixed with the wiring row, and the width direction of the first connecting surface and the width direction of the second connecting surface are vertically arranged.
Optionally, a middle connecting section is further arranged between the first connecting section and the second connecting section, a chamfer structure is further arranged between the middle connecting section and the side wall surface of the first connecting section, and a chamfer structure is further arranged between the middle connecting section and the side wall surface of the second connecting section.
Optionally, the width of the second connection surface is greater than the thickness of the second connection section, and the second connection section is provided with the bending part.
Optionally, the connecting piece is a copper bar or a copper tube.
Optionally, the first connection section is welded and fixed with the lead joint, and the second connection section is welded and fixed with the wiring row.
Optionally, the bending included angle of the stator connecting line is 90 degrees.
The utility model also provides a motor, which comprises a stator, a shell, a wire holder and the stator wire connecting structure.
The technical effects of the motor with the stator connecting structure are similar to those of the stator connecting structure, and the motor is omitted for saving space.
Drawings
Fig. 1 is a schematic structural view of a stator connecting structure in an installation state according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the lead connector of FIG. 1;
fig. 3 is a schematic diagram of the three-phase outlet of fig. 1.
In fig. 1-3, the reference numerals are as follows:
1-a lead joint;
the three-phase lead-out wire is 2-three-phase lead-out wire, 21-first connecting section, 211-first connecting surface, 22-second connecting section, 221-second connecting surface, 23-middle connecting section, 24-connecting piece, 25-wiring row, 26-bending part and 27-beveling structure;
3-stator wire connection;
4-a housing;
5-wire holder.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments.
The water-cooled motor has the advantages that the shell contains cooling water channels, the shell cannot be soaked with paint to prevent the cooling water channels from being blocked by insulating paint, and the iron core (comprising the pressing ring, the tooth pressing plate and the stator punching sheet) is required to be separated from the shell. The pressing ring, the tooth pressing plate and the stator punching sheet are welded by using the buckling sheet after being laminated to form an iron core, the stator coil is embedded into the iron core, the whole is subjected to paint dipping after being connected with a wire, the stator iron core with the winding is sleeved in a shell, and finally three-phase outgoing wires are welded and a junction box is assembled, the wiring is used for installing a wiring seat, and the wiring seat is provided with three-phase outgoing wire terminals and is used for being connected with the three-phase outgoing wires.
The embodiment provides a stator wire connection structure and a motor, wherein the motor comprises a stator, a shell 4, a wire holder 5 and a stator wire connection structure, as shown in fig. 1, the stator wire connection structure comprises a lead connector 1 and a three-phase outgoing wire 2, the lead connector 1 is formed by bending the end part of the stator wire connection 3, one end of the three-phase outgoing wire 2 penetrates through the shell 4 and is connected with the lead connector 1, and the other end of the three-phase outgoing wire 2 is used for being connected with the wire holder 5.
Specifically, the end of the stator connecting wire 3 is bent from the broadside direction to form the lead connector 1, as shown in fig. 2, the stator connecting wire 3 is in a flat bar-shaped structure, the width of the flat bar-shaped structure is larger than the thickness, the bent crease of the stator connecting wire 3 is arranged along the width direction of the flat bar-shaped structure, and the width direction of the stator connecting wire 3 is parallel to the axial direction of the stator, so that the bent crease of the stator connecting wire 3 is parallel to the axial direction of the stator. And, lead joint 1 through bending formation is directly outwards arranged along the radial of stator, and lead joint 1 does not bulge the axial terminal surface of stator yoke wire 3 to can not occupy extra axial space, the axial space arrangement of being convenient for.
The number of the lead connectors 1 is three, the three lead connectors 1 are approximately parallel to each other, and compared with the lead connectors 1 which are additionally arranged on the end parts of the stator connecting wires 3 in a welding way, the forming difficulty and the cost are low when the lead connectors 1 are formed by bending the stator connecting wires, no additional welding operation is needed, and the size control and the manufacturability are good.
The three-phase lead-out wire 2 is provided with a first connecting section 21 on one side for connection with the lead connector 1, the first connecting section 21 is provided with a first connecting surface 211, and the width of the first connecting surface 211 is larger than the thickness of the first connecting section 21, that is, the first connecting section 21 is in a flat structure, and the first connecting surface 211 is attached and fixed with the side wall surface of the lead connector 1.
After the stator connecting wire 3 is bent to form the lead connector 1, the lead connector is directly lapped and fixed with the first connecting section 21, and the lap joint length between the lead connector 1 and the first connecting section 21 is ensured without influencing the rotor assembly and the electric gap.
After the stator core with the windings is sleeved in the casing 4, assembly accuracy is poor in the circumferential direction and the radial direction of the stator core with the windings and the casing 4 in the hot sleeve process, so that the three-phase outgoing line 2 and the lead joint 1 cannot be aligned and connected, and the connection difficulty of the three-phase outgoing line 2 and the lead joint 1 is high.
In the present embodiment, the lead tab 1 is arranged in the radial direction of the stator, and the first connection section 21 passes through the casing 4 and is inserted into the inside in the radial direction to be connected with the lead tab 1, so that the fitting accuracy in the radial direction can be ensured only by adjusting the overlap length of the first connection section 21 and the lead tab 1 in the radial direction.
Meanwhile, the lead connector 1 and/or the first connecting section 21 may be bent as needed, so that the side wall surface of the lead connector 1 is attached to and fixed to the first connecting surface 211. Because the lead connector 1 is small in wire gauge and rigidity, the alignment adjustment after hot sheathing is convenient, certain circumferential deviation can be compensated, and meanwhile, the first connecting section 21 is easy to bend along the width direction, and certain circumferential deviation can be compensated.
Therefore, the problem that the three-phase lead wires 2 cannot be connected to the lead tab 1 in alignment can be easily solved by adjusting the lead tab 1 and the first connecting section 21 during installation.
In addition, the stator connecting wire 3 is bent to form the lead connector 1 only by one step, so that the intervals among the three lead connectors 1 are larger, and the fixing operation between the lead connector 1 and the first connecting section 21 is convenient. Specifically, the lead joint 1 and the first connecting section 21 are fixed by welding, so that the operation space is large, the welding gun is convenient to weld, and the welding manufacturability is good.
As shown in fig. 3, the three-phase outgoing line 2 comprises a connecting piece 24 and a wiring row 25 which are connected with each other, wherein one end of the connecting piece 24 far away from the wiring row 25 forms the first connecting section 21 and is provided with a first connecting surface 211, one side end of the connecting piece 24 facing the wiring row 25 is provided with a second connecting section 22, and the second connecting section 22 is fixed with the wiring row 25. The connecting piece 24 further comprises a bending part 26, and the arrangement of the wiring row 25 is facilitated by the bending part 26, and the connection of the wiring row 25 and the wiring seat 5 is facilitated.
The second connecting section 22 is provided with a second connecting surface 221, and the second connecting surface 221 is attached to the wiring row 25 and is fixed by welding, so that the connection stability of the wiring row 25 is ensured. Specifically, the width of the second connecting surface 221 is greater than the thickness of the second connecting section 22, that is, the second connecting section 22 is also flat.
The first connection surface 211 is used for being attached to the lead connector 1, and the second connection surface 221 is used for being attached to the wiring row 25, so that the first connection surface 211 and the second connection surface 221 are perpendicular to each other, and the wiring row 25 is mounted.
A middle connecting section 23 is further disposed between the first connecting section 21 and the second connecting section 22, the first connecting section 21 is processed with a first connecting surface 211 and has a flat structure, the second connecting section 22 is processed with a second connecting surface 221 and has a flat structure, the specific structure of the middle connecting section 23 is not limited, as shown in fig. 3, a chamfer structure 27 is further disposed between the middle connecting section 23 and the wall surface (including but not limited to the first connecting surface 211) of the first connecting section 21, and a chamfer structure 27 is also disposed between the middle connecting section 23 and the wall surface (including but not limited to the second connecting surface 221) of the second connecting section 22. The provision of the bevelled structure 27 facilitates insulation packing and paint filling, while also avoiding the presence of stress concentrations.
The connecting piece 24 can be a copper rod or a copper pipe, has good conductivity, is softer in copper and is easy to bend. When the connecting piece 24 is a copper rod, the two side ends of the connecting piece 24 are respectively machined to form a first connecting section 21 and a second connecting section 22, the middle part is not machined to form a middle connecting section 23, and the machining directions of the first connecting section 21 and the second connecting section 22 are mutually perpendicular. When the connecting piece 24 is a copper pipe, the two side ends of the connecting piece 24 can be respectively extruded to form the first connecting section 21 and the second connecting section 22, the middle part is not extruded to form the middle connecting section 23, and the extrusion directions of the first connecting section 21 and the second connecting section 22 are mutually perpendicular.
Since the second connecting section 22 is also of flat configuration. Specifically, the bending portion 26 is provided on the second connecting section 22, however, in this embodiment, the first connecting section 21 and the second connecting section 22 may be provided on both sides of the bending portion 26, and when the bending portion 26 is provided on the second connecting section 22, the forming of the bending portion 26 may be facilitated.
The bending angle of the stator connecting wire 3 is 90 °, that is, the stator connecting wire 3 is bent by 90 ° to form the lead joint 1, however, in this embodiment, the bending angle of the stator connecting wire 3 is not limited, and may be in the range of 80 ° -120 °. The 90-degree included angle is more beneficial to reducing the space occupied by the lead connector 1 in the radial direction, and is convenient for radial space arrangement of the stator wire connecting structure.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. The stator wire connecting structure is characterized by comprising a wire connector (1) and a three-phase outgoing wire (2);
the lead connector (1) is formed by bending the end part of a stator connecting wire (3) along the broadside direction, the broadside direction is parallel to the axial direction of the stator, and the lead connector (1) is arranged outwards along the radial direction of the stator;
one end of the three-phase outgoing line (2) can penetrate through the shell (4) and is connected with the lead connector (1), and the other end of the three-phase outgoing line (2) is used for being connected with the wire holder (5).
2. The stator connecting structure according to claim 1, wherein the three-phase outgoing line (2) is provided with a first connection section (21), the first connection section (21) is provided with a first connection surface (211), the width of the first connection surface (211) is larger than the thickness of the first connection section (21), and the first connection surface (211) is adhered and fixed with the wall surface of the lead connector (1).
3. Stator connection structure according to claim 2, characterized in that the three-phase outgoing line (2) comprises a connecting piece (24) and a connection line (25), the connecting piece (24) comprises a bending portion (26), one side end of the bending portion (26) is provided with the first connecting section (21), and the other side end of the bending portion (26) is fixed with the connection line (25).
4. A stator connecting structure according to claim 3, wherein the connecting member (24) further comprises a second connecting section (22), the second connecting section (22) is provided with a second connecting surface (221), the second connecting surface (221) is fixedly attached to the terminal block (25), and the width direction of the first connecting surface (211) and the width direction of the second connecting surface (221) are arranged vertically.
5. The stator connecting structure according to claim 4, wherein a middle connecting section (23) is further disposed between the first connecting section (21) and the second connecting section (22), a chamfer structure (27) is further disposed between the middle connecting section (23) and the side wall surface of the first connecting section (21), and a chamfer structure (27) is further disposed between the middle connecting section (23) and the side wall surface of the second connecting section (22).
6. The stator connecting line structure according to claim 4, characterized in that the width of the second connecting surface (221) is larger than the thickness of the second connecting section (22), the second connecting section (22) being provided with the bent portion (26).
7. Stator in-line structure according to any of claims 3-6, characterized in that the connection piece (24) is a copper bar or tube.
8. Stator connection structure according to any one of claims 4-6, characterized in that the first connection section (21) is welded to the lead-in connection (1) and the second connection section (22) is welded to the terminal block (25).
9. The stator connection structure according to any one of claims 1-6, characterized in that the bending angle of the stator connection (3) is 90 °.
10. An electric machine, characterized by comprising a stator, a casing (4), a wire holder (5) and a stator wire connection structure as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321338267.2U CN219999143U (en) | 2023-05-29 | 2023-05-29 | Stator wire connection structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321338267.2U CN219999143U (en) | 2023-05-29 | 2023-05-29 | Stator wire connection structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219999143U true CN219999143U (en) | 2023-11-10 |
Family
ID=88606789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321338267.2U Active CN219999143U (en) | 2023-05-29 | 2023-05-29 | Stator wire connection structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219999143U (en) |
-
2023
- 2023-05-29 CN CN202321338267.2U patent/CN219999143U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |