CN214380376U - Motor modularization end winding connection structure - Google Patents
Motor modularization end winding connection structure Download PDFInfo
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- CN214380376U CN214380376U CN202022923192.7U CN202022923192U CN214380376U CN 214380376 U CN214380376 U CN 214380376U CN 202022923192 U CN202022923192 U CN 202022923192U CN 214380376 U CN214380376 U CN 214380376U
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- 238000004804 winding Methods 0.000 title claims abstract description 163
- 239000004020 conductor Substances 0.000 claims abstract description 98
- 210000001503 joint Anatomy 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model discloses a motor modularization end winding connection structure, which comprises a straight conductor winding module and an end winding module; the straight conductor winding module comprises a straight conductor winding and a stator iron core; the straight conductor end of the straight conductor winding is embedded into a wire slot of the stator core; the end winding module comprises an end winding and an end winding positioning ring; the end winding is coaxially connected and mounted on the end winding positioning ring; the end winding and the straight conductor winding are assembled in the coaxial direction through the locking sleeve assembly, and the straight conductor end of the end winding is butted with the straight conductor end of the straight conductor winding; the locking sleeve component comprises a locking sleeve male end and a locking sleeve female end; the male end of the locking sleeve is sleeved outside the straight conductor fixing ring and is fixed with the end face of the stator core; the female end of the locking sleeve is sleeved on the outer ring of the end winding positioning ring and is clamped with the male end of the locking sleeve. The scheme divides the motor winding into the direct conductor winding module and the end winding module, and the butt joint is realized through the connecting structure, so that the process complexity can be reduced, and the production efficiency can be improved.
Description
Technical Field
The invention relates to the technical field of motor winding arrangement, in particular to a modular motor end winding connecting structure.
Background
Along with the development of new forms of energy motor technique, the motor can be divided into round copper line and flat copper line (hairpin motor) according to winding copper line topological structure, compares with traditional round copper line motor, and the hairpin motor can show and improve effective copper percentage, reduces winding tip height and reinforcing heat dispersion. However, the end conductor of the hairpin motor needs to be welded to realize the winding closure, and a specific tool is often required to be designed for the completion of welding, so that the assembly procedures of the motor winding are increased, the production cost is increased, and the mass production is difficult to realize.
Disclosure of Invention
The technical scheme of the invention is as follows: the utility model provides a motor modularization end winding connection structure, need carry out complicated welding process to hairpin motor, need design specific welding frock moreover, lead to manufacturing cost to increase, be difficult to realize the problem of mass production.
A modular electric machine end-winding connection structure comprising: a straight conductor winding module and an end winding module. Wherein:
the direct conductor winding module comprises a direct conductor winding, a stator core and a direct conductor fixing ring; the straight conductor winding includes: the straight conductor end is embedded into the line embedding groove on the stator core, and the bent end is exposed out of the end part of the stator core; and the straight conductor end of the straight conductor winding is embedded into a wire slot of the stator core.
The end winding module comprises an end winding and an end winding positioning ring; the end winding is coaxially connected and mounted on the end winding positioning ring; the end winding also includes a straight conductor end and a bent end.
The end winding and the straight conductor winding are assembled in the coaxial direction through the locking sleeve assembly, and the straight conductor end of the end winding is in butt joint with the straight conductor end of the straight conductor winding.
The locking sleeve component comprises a locking sleeve male end and a locking sleeve female end; the male end of the locking sleeve is sleeved outside the straight conductor fixing ring and is fixedly connected with the end face of the stator core; the female end of the locking sleeve is sleeved on the outer ring of the end winding positioning ring and is clamped and assembled with the male end of the locking sleeve.
Preferably, the straight conductor fixing ring is arranged on the end face of the stator core; the end of the straight conductor on the straight conductor winding is embedded into the assembly hole on the straight conductor fixing ring.
Preferably, the end winding module comprises an end winding fixing ring, and the end of the straight conductor of the end winding is embedded into a mounting hole formed on the end winding fixing ring.
Preferably, the male end of the locking sleeve comprises a post end disposed on the outer surface of revolution thereof; the female end of the locking sleeve comprises a spiral groove arranged on the rotary inner surface of the locking sleeve; the assembly butt joint of the male end of the locking sleeve and the female end of the locking sleeve is realized through the matching of the column end and the spiral groove.
Preferably, the inner surface of the revolution of the male end of the locking sleeve comprises an invaginated groove; the rotary outer surface of the end winding positioning ring comprises a convex end; the assembly butt joint of the end winding positioning ring and the male end of the locking sleeve is realized through the matching of the groove and the protruding end.
Preferably, a radially protruding outer rim portion is formed on the outer surface of revolution of the end-winding positioning ring; an inner edge part which is protruded in the radial direction is formed on the rotary inner surface of the female end of the locking sleeve; the female end suit of lock sleeve realizes axial assembly on the end winding holding ring and along the portion card outside through interior edge portion on.
Preferably, the end winding has a fitting groove arranged on the straight conductor end, and the straight conductor end of the end winding and the straight conductor end of the straight conductor winding are positioned and butted through the fitting groove.
Preferably, the straight conductor fixing ring and the end winding fixing ring are both made of insulating flame-retardant materials.
The invention has the advantages that:
1. the invention is based on the motor winding modularization thought, divides the motor winding into the direct conductor winding module and the end winding module, and can ensure the excellent characteristics of the hairpin motor, reduce the process complexity and improve the production efficiency by butting through the connecting structure.
2. The invention adopts the end winding locking structure which is easy to disassemble and assemble, and can effectively avoid unnecessary welding processes.
3. The terminal locking structure is adopted for fixing, the disassembly is convenient, the number of parallel branches of the motor can be changed by only replacing the end winding module, the line load and the high-speed weak magnetic interval of the motor are changed, and the easy replacement of various winding structures of the motor is realized.
Drawings
The invention is further described with reference to the following figures and examples:
FIG. 1 is a front view of a modular end-winding connection for an electric machine;
FIG. 2 is an exploded axial view of a modular end-winding connection for an electric machine;
FIG. 3 is an elevational view of the male end of the locking sleeve;
FIG. 4 is an elevational view of the female end of the locking sleeve;
FIG. 5 is a cross-sectional view of the female end of the locking sleeve at section A-A;
FIG. 6 is a side view of an end-winding retaining ring;
wherein the various reference numbers are: 1. a straight conductor winding; 2. a stator core; 3. a straight conductor fixing ring; 4. a male end of the locking sleeve; 41. a column end; 42. a groove; 5. a female end of the locking sleeve; 51. a helical groove; 6. an end winding positioning ring; 61. a raised end; 7. an end winding retainer ring; 8. and (4) end windings.
Detailed Description
Example 1:
a modular electric machine end-winding connection structure comprising: a straight conductor winding module and an end winding module. Wherein:
the direct conductor winding module comprises a direct conductor winding 1, a stator core 2 and a direct conductor fixing ring 3, wherein the direct conductor winding 1 is embedded and wound on the stator core 2. The straight conductor winding 1 includes: the stator comprises a straight conductor end embedded in a slot on the stator core and a bent end exposed at the end part of the stator core, wherein the straight conductor end of the straight conductor winding 1 is embedded in the slot of the stator core 2. A straight conductor fixing ring 3 is further arranged on the end face of the stator core 2, and the end head of the straight conductor on the straight conductor winding 1 is embedded into an assembling hole formed in the straight conductor fixing ring 3.
The end-winding module comprises an end-winding 8, an end-winding holding ring 6, an end-winding fixing ring 7, the end-winding 8 being mounted to the end-winding holding ring 6 in a coaxial connection. Specifically, the end winding 8 also includes a straight conductor end and a bent end, the end of the straight conductor end of the end winding 8 is embedded into an assembly hole formed in the end winding fixing ring 7, and the end winding fixing ring 7 is fixedly connected with the end winding positioning ring 6.
The end winding 8 and the straight conductor winding 1 are assembled in a coaxial direction through a locking sleeve assembly, and a straight conductor end of the end winding 8 is correspondingly connected with a straight conductor end of the straight conductor winding 1.
The locking sleeve assembly comprises a locking sleeve male end 4 and a locking sleeve female end 5, the locking sleeve male end 4 is sleeved outside the straight conductor fixing ring 3 and is fixedly connected with the end face of the stator core 2, and the locking sleeve female end 5 is sleeved outside the end winding positioning ring 6 and is clamped and assembled with the locking sleeve male end 4.
Specifically, the locking sleeve male end 4 comprises a column end 41 arranged on the rotary outer surface of the locking sleeve, the locking sleeve female end 5 comprises a spiral groove 51 arranged on the rotary inner surface of the locking sleeve, and the assembly butt joint of the locking sleeve male end 4 and the locking sleeve female end 5 is realized through the matching of the column end 41 and the spiral groove 51.
The inner surface of the locking sleeve male end 4 that revolves includes a recessed groove 42, the outer surface of the end winding retaining ring 6 that revolves includes a raised end 61, and the assembly butt joint of the end winding retaining ring 6 and the locking sleeve male end 4 is achieved through the cooperation of the groove 42 and the raised end 61.
The outer surface of the end winding positioning ring 6 in rotation forms a radially convex outer edge part, the inner surface of the locking sleeve female end 5 in rotation forms a radially convex inner edge part, and the locking sleeve female end 5 is sleeved on the end winding positioning ring 6 and is clamped on the outer edge part through the inner edge part to realize axial assembly.
Example 2:
the straight conductor winding module comprises a straight conductor winding 1 and a stator core 2, wherein a straight conductor end of the straight conductor winding 1 is embedded into an iron core groove of the stator core 2, and the straight conductor end and the iron core groove are formed into a whole through a die. During wire embedding, a single wire can be sequentially placed into the stator iron core slot with the insulating paper, or a specific tool is designed to fix all the straight conductor windings 1 into a whole and simultaneously placed into the stator iron core slot.
The end winding module is used as the outlet end side of the modular winding, and the end of the straight conductor of the end winding 8 is provided with an assembling groove which can be tightly matched with the end of the straight conductor winding 1.
The connection structure between the straight conductor winding module and the end winding module further comprises: the device comprises a straight conductor fixing ring 3, a locking sleeve male end 4, a locking sleeve female end 5, an end winding positioning ring 6 and an end fixing ring 7.
The straight conductor fixing ring 3 and the end fixing ring 7 are made of materials with excellent insulating property and good supporting capability, and simultaneously meet the flame retardant performance of vertical combustion V-0 level and horizontal combustion H level of the materials, so that the conductor ends of two module windings can be effectively fixed.
One end of the male end 4 of the locking sleeve is fixed on the end face of the stator core 2 through a screw, and the outer ring of the male end 4 of the locking sleeve is provided with a raised cylindrical column end 41 which is matched with a spiral groove 51 of the inner ring of the female end 5 of the locking sleeve to lock the end winding module 8. The inner ring of the male end 4 of the locking sleeve is provided with a square recess 42 which cooperates with a square projection 61 on the outer ring of the end winding retaining ring 6 to retain the end winding module.
Besides the positioning function, the end winding positioning ring 6 is provided with an outer edge part at one end, and when the end winding positioning ring is matched with the locking sleeve female end 5, the end winding positioning ring can perform the limiting and supporting functions with the inner edge part of the locking sleeve female end 5.
Example 3:
the scheme adopts a 36-slot 8-pole structure for explanation, the number of conductors in each slot is 2, and the motor stator is divided into a direct conductor winding module, a locking sleeve assembly and an end winding module. The installation steps are as follows:
1) fixing the male end 4 of the locking sleeve on the stator core 2;
2) sequentially placing single conductors on the straight conductor winding module into stator iron core slots with insulating paper, and fixing a straight conductor fixing ring 3 to the end part of the stator iron core 2;
3) sequentially putting the single conductors of the end winding module into the end fixing ring 7, and sleeving the end winding positioning ring 6;
4) sleeving the female end 5 of the locking sleeve from the end winding positioning ring 6;
5) aligning and pressing the convex end 61 on the end winding positioning ring 6 and the square groove 42 on the male end 4 of the locking sleeve;
6) aligning the column end on the male end 5 of the locking sleeve with the spiral groove 51 on the female end 5 of the locking sleeve, screwing the female end 5 of the locking sleeve, and finishing the installation.
The embodiments are merely illustrative of the principles and effects of the present invention, and do not limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed herein be covered by the appended claims.
Claims (8)
1. A modular electric machine end-winding connection structure comprising: a straight conductor winding module and an end winding module; the method is characterized in that:
the straight conductor winding module comprises a straight conductor winding, a stator core and a straight conductor fixing ring; the straight conductor end of the straight conductor winding is embedded into a wire slot of the stator core;
the end winding module comprises an end winding and an end winding positioning ring; the end winding is coaxially connected and mounted to the end winding positioning ring;
the end winding and the straight conductor winding are assembled in the coaxial direction through a locking sleeve assembly, and the straight conductor end of the end winding is butted with the straight conductor end of the straight conductor winding;
the locking sleeve assembly comprises a locking sleeve male end and a locking sleeve female end; the male end of the locking sleeve is sleeved outside the straight conductor fixing ring and is fixedly connected with the end face of the stator core; the female end of the locking sleeve is sleeved on the outer ring of the end winding positioning ring and is clamped and assembled with the male end of the locking sleeve.
2. A modular motor end-winding connection as set forth in claim 1, wherein: arranging the straight conductor fixing ring on the end face of the stator core; and the end head of the straight conductor on the straight conductor winding is embedded into an assembling hole formed on the straight conductor fixing ring.
3. A modular motor end-winding connection as set forth in claim 1, wherein: the end winding module comprises an end winding fixing ring, and the end of a straight conductor of the end winding is embedded into an assembling hole formed in the end winding fixing ring.
4. A modular motor end-winding connection as set forth in claim 1, wherein: the male end of the locking sleeve comprises a column end arranged on the rotary outer surface of the locking sleeve; the female end of the locking sleeve comprises a spiral groove arranged on the rotary inner surface of the locking sleeve; the assembling butt joint of the male end of the locking sleeve and the female end of the locking sleeve is realized through the matching of the column end and the spiral groove.
5. A modular motor end-winding connection as set forth in claim 1, wherein: the rotary inner surface of the male end of the locking sleeve comprises an invaginated groove; the outer surface of the end winding positioning ring comprises a convex end; the assembly butt joint of the end winding positioning ring and the male end of the locking sleeve is realized through the matching of the groove and the protruding end.
6. A modular motor end-winding connection as set forth in claim 1, wherein: a radially convex outer edge part is formed on the rotary outer surface of the end winding positioning ring; an inner edge part protruding in the radial direction is formed on the rotary inner surface of the female end of the locking sleeve; the female end suit of locking bush is in on the end winding holding ring and through interior edge card in realize axial assembly in outer edge portion.
7. A modular motor end-winding connection as set forth in claim 1, wherein: and the straight conductor end of the end winding is provided with an assembling groove, and the straight conductor end of the end winding and the straight conductor end of the straight conductor winding are positioned and butted through the assembling groove.
8. A modular motor end-winding connection as set forth in claim 3, wherein: the straight conductor fixing ring and the end winding fixing ring are both made of insulating flame-retardant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022923192.7U CN214380376U (en) | 2020-12-09 | 2020-12-09 | Motor modularization end winding connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022923192.7U CN214380376U (en) | 2020-12-09 | 2020-12-09 | Motor modularization end winding connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214380376U true CN214380376U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022923192.7U Active CN214380376U (en) | 2020-12-09 | 2020-12-09 | Motor modularization end winding connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214380376U (en) |
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2020
- 2020-12-09 CN CN202022923192.7U patent/CN214380376U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Suzhou Heyu Finance Leasing Co.,Ltd. Assignor: SUZHOU YINGCI NEW ENERGY TECHNOLOGY CO.,LTD. Contract record no.: X2023980043152 Denomination of utility model: A Modular End Winding Connection Structure for Electric Motors Granted publication date: 20211008 License type: Exclusive License Record date: 20231010 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Modular End Winding Connection Structure for Electric Motors Effective date of registration: 20231012 Granted publication date: 20211008 Pledgee: Suzhou Heyu Finance Leasing Co.,Ltd. Pledgor: SUZHOU YINGCI NEW ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2023980060823 |