CN109510362B - Stator assembly - Google Patents
Stator assembly Download PDFInfo
- Publication number
- CN109510362B CN109510362B CN201811516930.7A CN201811516930A CN109510362B CN 109510362 B CN109510362 B CN 109510362B CN 201811516930 A CN201811516930 A CN 201811516930A CN 109510362 B CN109510362 B CN 109510362B
- Authority
- CN
- China
- Prior art keywords
- plate
- side plate
- winding
- stator
- stator core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004804 winding Methods 0.000 claims abstract description 52
- 238000003466 welding Methods 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 6
- 239000004922 lacquer Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a stator assembly, comprising: a stator core; a winding wound around the stator core and having a plurality of outgoing lines; the stator core comprises a stator core and a plurality of connecting terminals, wherein the connecting terminals are arranged on the stator core and are used for connecting power lines and winding outgoing lines, the cross section of each connecting terminal is U-shaped, each connecting terminal comprises a bottom plate, a first side plate and a second side plate, the first side plate and the second side plate extend upwards from one end of the bottom plate respectively, a first groove is formed between the bottom plate and the first side plate and between the bottom plate and the second side plate, and each power line and each winding outgoing line are arranged in one first groove and are connected through butt welding. According to the invention, the winding outgoing line and the external power line in the stator assembly are placed in the first groove formed between the connecting terminal bottom plate and the first side plate and the second side plate, the winding outgoing line and the power line can be limited, and are connected through butt welding, so that the process is simple, the production efficiency can be improved, the winding outgoing line and the power line are more firmly connected and are not easy to loose, and the production quality of a motor can be improved.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a stator assembly.
Background
In the production process of the motor, the outgoing line of the stator winding is required to be connected with an external power line, and the existing operation mode is as follows: the winding enamelled wire is adopted to remove the lacquer skin and dip the tin and is connected with the power wire by welding, namely, the lacquer skin of the outgoing line of the stator winding is scraped firstly, then the wire is welded with the wire core of the external power wire, then an insulating sleeve is sleeved at the welding position, and finally, the wire is bound and fixed at the end part of the stator winding. And the connection between the outgoing line of the stator winding and an external power line is easy to loosen, the quality stability is not high, and the production quality of the motor is seriously influenced.
In view of the above, it is necessary to provide a stator assembly that has a simple process, high production efficiency, and can improve the production quality of the motor.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the stator assembly which has simple process and high production efficiency and can improve the production quality of the motor.
In order to solve the above technical problems, the present invention provides a stator assembly, which includes:
a stator core;
a winding wound around the stator core and having a plurality of outgoing lines;
the stator core comprises a stator core and a plurality of connecting terminals, wherein the connecting terminals are arranged on the stator core and are used for connecting power lines and winding outgoing lines, the cross section of each connecting terminal is U-shaped, each connecting terminal comprises a bottom plate, a first side plate and a second side plate, the first side plate and the second side plate extend upwards from one end of the bottom plate respectively, a first groove is formed between the bottom plate and the first side plate and between the bottom plate and the second side plate, and each power line and each winding outgoing line are arranged in one first groove and are connected through butt welding.
The further technical scheme is as follows: the first side plate comprises a first rectangular plate, a first protruding portion is formed in the middle of the first rectangular plate in an inward protruding mode, and the first protruding portion is located between the power line and the winding outgoing line.
The further technical scheme is as follows: the first rectangular plate top inwards bends to form a second rectangular plate, the second rectangular plate top is connected with a clamping plate with an inverted U-shaped cross section, and the bending angle between the second rectangular plate and the first rectangular plate is more than 90 degrees and less than 180 degrees.
The further technical scheme is as follows: the second side plate comprises a third rectangular plate and two connecting plates which are respectively formed by extending downwards from two ends of the third rectangular plate, and the bottom of each connecting plate is outwards bent to form an inserting piece.
The further technical scheme is as follows: the cross section of the bottom plate is U-shaped.
The further technical scheme is as follows: and a plurality of uniformly distributed stator salient poles are formed on the inner peripheral surface of the stator core, and the winding is wound on the stator salient poles.
The further technical scheme is as follows: the stator core top is equipped with an annular supporting seat, annular supporting seat inner peripheral face corresponds stator salient pole department and is equipped with the line frame, and every line frame butt is in a stator salient pole, and this annular supporting seat up end is equipped with a plurality of grafting devices, every grafting device includes two long banding grafting bodies, and the terminal surface that two grafting bodies are relative all is equipped with a second recess, connecting terminal's second curb plate pass through the second recess peg graft in on the grafting device.
The further technical scheme is as follows: the annular supporting seat is also provided with a positioning device, the positioning device comprises two positioning plates which are arranged oppositely, and a third groove is formed on the inner end surface of one positioning plate.
The further technical scheme is as follows: the top of the inner end surface of the positioning plate is outwards protruded to form a second protruding part, and the second protruding part and the top surface of the annular supporting seat form the third groove.
The further technical scheme is as follows: the plug-in devices are uniformly distributed on the annular supporting seat at intervals.
Compared with the prior art, the winding outgoing line in the stator assembly is connected with the external power line through the connecting terminal, namely, the winding outgoing line and the external power line in the stator assembly are placed in the first groove formed between the connecting terminal bottom plate and the first side plate and the second side plate, the winding outgoing line and the power line can be limited, and the winding outgoing line and the power line are connected through butt welding, so that the process is simple, the production process is simplified, the production efficiency can be improved, the connection of the winding outgoing line and the power line is firmer, the winding outgoing line and the power line are not easy to loose, and the production quality of a motor can be improved.
Drawings
Fig. 1 is an exploded view of an embodiment of a stator assembly according to the present invention.
Fig. 2 is a schematic perspective view of the assembled stator assembly of fig. 1.
Fig. 3 is a schematic top view of the stator assembly of fig. 2.
Fig. 4 is a side view schematic of the stator assembly of fig. 2.
Fig. 5 is a schematic cross-sectional view of the stator assembly A-A of fig. 4.
Fig. 6 is a schematic view showing a specific structure of a connection terminal in the stator assembly shown in fig. 2.
Fig. 7 is a schematic view of a specific structure of the annular supporting seat in the stator assembly shown in fig. 2.
Detailed Description
The present invention will be further described with reference to the drawings and examples below in order to more clearly understand the objects, technical solutions and advantages of the present invention to those skilled in the art.
Referring to fig. 1-7, fig. 1-7 illustrate an embodiment of a stator assembly 1 of the present invention. In the embodiment shown in the drawings, the stator assembly 1 includes a stator core 10, a winding 20 and a plurality of connection terminals 30, in this embodiment, a plurality of stator salient poles 102 are uniformly distributed on the inner circumferential surface of the stator core 10, the winding 20 is wound on the stator salient poles 102 and has a plurality of outgoing wires 201, and preferably, the outgoing wires 201 of the winding 20 are aluminum enameled wires; the connection terminal 30 is disposed on the stator core 10, and is used for connecting the power line 2 and the outgoing line 201 of the winding 20, and has a U-shaped cross section, and includes a bottom plate 301, and a first side plate 302 and a second side plate 303 respectively extending upwards from one end of the bottom plate 301, and a first groove 304 is formed between the bottom plate 301 and the first side plate 302, and between the bottom plate 301 and the second side plate 303, and each of the power line 2 and the outgoing line 201 of the winding 20 is disposed in a first groove 304 and connected by butt welding. In this embodiment, three connection terminals 30 are provided, three winding 20 outgoing lines 201 are correspondingly connected to a three-phase ac power supply, and one live wire and one winding 20 outgoing line 201 are disposed in a first groove 304 of a connection terminal 30, it is to be understood that, in some other embodiments, the number of connection terminals 30 and winding 20 outgoing lines 201 may be adjusted according to actual needs, for example, if a single-phase ac power supply is correspondingly connected, the number of connection terminals 30 and winding 20 outgoing lines 201 is correspondingly two. Based on the design, the winding 20 outgoing line 201 in the stator assembly 1 is connected with the external power line 2 through the connecting terminal 30, the process is simple, the production process is simplified, the production efficiency can be improved, namely, the winding 20 outgoing line 201 and the power line 2 can be limited by placing the winding 20 outgoing line 201 and the external power line 2 in the first groove 304 formed between the bottom plate 301 of the connecting terminal 30 and the first side plate 302 and the second side plate 303, and the winding 20 outgoing line 201 and the power line 2 are subjected to one-time butt welding through a butt welding machine, so that the connection of the winding 20 outgoing line 201 and the power line 2 is firmer and is not easy to loosen, and the production quality of a motor assembled by adopting the stator assembly 1 can be improved.
Referring to fig. 6, in the present embodiment, the first side plate 302 includes a first rectangular plate 3021, a first protruding portion 3022 is formed protruding inward in the middle of the first rectangular plate 3021, and the first protruding portion 3022 is located between the power cord 2 and the outgoing line 201 of the winding 20. And the top end of the first rectangular plate 3021 is bent inwards to form a second rectangular plate 3023, the top end of the second rectangular plate 3023 is connected with a clamping plate 3024 having an inverted U-shaped cross section, and a bending angle between the second rectangular plate 3023 and the first rectangular plate 3021 is greater than 90 ° and less than 180 °. In this embodiment, the power cord 2 may be placed at the lower end of the first protruding portion 3022, preferably, the portion of the power cord 2 placed at the lower end of the first protruding portion 3022 is peeled, and accordingly, the outgoing line 201 is placed at the upper end of the first protruding portion 3022, and based on this design, the positions of the power cord 2 and the outgoing line 201 of the winding 20 may be defined by using the first protruding portion 3022, so that the connection between the power cord 2 and the outgoing line 201 of the winding 20 is facilitated. It will be appreciated that in some other embodiments, the winding 20 lead-out wire 201 may be placed at the lower end of the first protrusion 3022, and the power cord 2 may be placed at the upper end of the first protrusion 3022.
In some embodiments, the second side plate 303 includes a third rectangular plate 3031 and two connection plates 3032 extending downward from two ends of the third rectangular plate 3031, and the bottom of each connection plate 3032 is bent outwards to form a plug 3033. Preferably, in this embodiment, the cross section of the bottom plate 301 is U-shaped, which is based on this design, to facilitate the placement of the power cord 2 or the outgoing line 201 of the winding 20.
Referring to fig. 7, in the embodiment shown in the drawings, an annular supporting seat 40 is further disposed at the top of the stator core 10, the connection terminal 30 is disposed on the stator core 10 through the annular supporting seat 40, a wire frame 401 is disposed at the inner peripheral surface of the annular supporting seat 40 corresponding to the stator salient poles 102, each wire frame 401 abuts against a stator salient pole 102, a plurality of plugging devices 402 are disposed on the upper end surface of the annular supporting seat 40, each plugging device 402 includes two elongated plugging bodies 4021, a second groove 4022 is disposed on the opposite end surfaces of the two plugging bodies 4021, and the plugging devices 402 are uniformly distributed on the annular supporting seat 40 at intervals. It can be understood that in the present embodiment, the number of the plugging devices 402 is three, and the second side plates 303 of the connection terminals 30 are plugged onto the plugging devices 402 through the second grooves 4022, that is, in the present embodiment, two plugging pieces 3033 are respectively plugged into one second groove 4022, so that the connection terminals 30 are fixed on the annular supporting base 40.
Preferably, in this embodiment, a positioning device 403 is further disposed on the annular supporting seat 40, the positioning device 403 includes two positioning plates 4031 disposed oppositely, a second protrusion 4033 is formed by protruding the top of the inner end surface of one positioning plate 4031 outwards, and a third groove 4032 is formed by the second protrusion 4033 and the top surface of the annular supporting seat 40. It is understood that the positioning device 403 may also be disposed on the annular supporting seat 40 by a mounting bracket 404, and then the second protruding portion 4033 and the top surface of the mounting bracket 404 form the third recess 4032. Based on this design, in order to facilitate the outgoing of the power line 2 after the stator assembly 1 is assembled with other components of the motor, one of the power lines 2 may penetrate through the space formed by the two positioning plates 4031, and is limited by the second protruding portion 4033 and the third groove 4032, and is led out together with the other power lines 2.
In summary, the winding outgoing line in the stator assembly is connected with the external power line through the connecting terminal, that is, the winding outgoing line and the external power line in the stator assembly are placed in the first groove formed between the connecting terminal bottom plate and the first side plate and the second side plate, so that the winding outgoing line and the power line can be limited, and the winding outgoing line and the power line are connected through butt welding, the process is simple, the production process is simplified, the production efficiency can be improved, the connection of the winding outgoing line and the power line is firmer, the winding outgoing line and the power line are not easy to loose, and the production quality of a motor can be improved.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Various equivalent changes and modifications can be made by those skilled in the art based on the above embodiments, and all equivalent changes or modifications made within the scope of the claims shall fall within the scope of the present invention.
Claims (6)
1. A stator assembly, comprising:
a stator core;
a winding wound around the stator core and having a plurality of outgoing lines;
the connecting terminals are arranged on the stator core and are used for connecting the power lines and the winding outgoing lines, the cross sections of the connecting terminals are U-shaped, the connecting terminals comprise a bottom plate with the U-shaped cross section, a first side plate and a second side plate, the first side plate and the second side plate extend upwards from one end of the bottom plate respectively, a first groove is formed between the bottom plate and the first side plate as well as between the bottom plate and the second side plate, and each power line and each winding outgoing line are arranged in one first groove and are connected through butt welding; wherein,
the first side plate comprises a first rectangular plate, a first protruding part is formed in the middle of the first rectangular plate in an inward protruding mode, the first protruding part is located between the power line and the winding outgoing line, the top end of the first rectangular plate is inwards bent to form a second rectangular plate, the top end of the second rectangular plate is connected with a clamping plate with an inverted U-shaped cross section, and the bending angle between the second rectangular plate and the first rectangular plate is larger than 90 degrees and smaller than 180 degrees;
the second side plate comprises a third rectangular plate and two connecting plates which are respectively formed by extending downwards from two ends of the third rectangular plate, and the bottom of each connecting plate is outwards bent to form an inserting piece.
2. The stator assembly of claim 1, wherein: and a plurality of uniformly distributed stator salient poles are formed on the inner peripheral surface of the stator core, and the winding is wound on the stator salient poles.
3. The stator assembly of claim 2, wherein: the stator core top is equipped with an annular supporting seat, annular supporting seat inner peripheral face corresponds stator salient pole department and is equipped with the line frame, and every line frame butt is in a stator salient pole, and this annular supporting seat up end is equipped with a plurality of grafting devices, every grafting device includes two long banding grafting bodies, and the terminal surface that two grafting bodies are relative all is equipped with a second recess, connecting terminal's second curb plate pass through the second recess peg graft in on the grafting device.
4. A stator assembly in accordance with claim 3 wherein: the annular supporting seat is also provided with a positioning device, the positioning device comprises two positioning plates which are arranged oppositely, and a third groove is formed on the inner end surface of one positioning plate.
5. The stator assembly of claim 4, wherein: the top of the inner end surface of the positioning plate is outwards protruded to form a second protruding part, and the second protruding part and the top surface of the annular supporting seat form the third groove.
6. A stator assembly in accordance with claim 3 wherein: the plug-in devices are uniformly distributed on the annular supporting seat at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811516930.7A CN109510362B (en) | 2018-12-12 | 2018-12-12 | Stator assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811516930.7A CN109510362B (en) | 2018-12-12 | 2018-12-12 | Stator assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109510362A CN109510362A (en) | 2019-03-22 |
| CN109510362B true CN109510362B (en) | 2024-01-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811516930.7A Active CN109510362B (en) | 2018-12-12 | 2018-12-12 | Stator assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109510362B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112821629B (en) * | 2021-01-08 | 2021-11-16 | 珠海格力电器股份有限公司 | Motor and wire fixing device |
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|---|---|
| CN109510362A (en) | 2019-03-22 |
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