CN111641301A - Winding method of motor stator for electric vehicle - Google Patents
Winding method of motor stator for electric vehicle Download PDFInfo
- Publication number
- CN111641301A CN111641301A CN202010424099.3A CN202010424099A CN111641301A CN 111641301 A CN111641301 A CN 111641301A CN 202010424099 A CN202010424099 A CN 202010424099A CN 111641301 A CN111641301 A CN 111641301A
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- winding
- tooth
- tooth rib
- rib
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/085—Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/0056—Manufacturing winding connections
- H02K15/0068—Connecting winding sections; Forming leads; Connecting leads to terminals
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The invention relates to a winding method of a motor stator for an electric vehicle, which comprises a stator, wherein the stator comprises a tooth rib, a tooth socket and a winding, the winding takes a winding on 4 continuous tooth ribs as a unit winding, the tooth ribs of the unit winding are sequentially arranged in any circumferential direction to form a first tooth rib, a second tooth rib, a third tooth rib and a fourth tooth rib, and the winding sequence of the winding method is' winding the winding on the first tooth rib in the 1 st batch mode → winding the winding on the second tooth rib in the 1 st batch mode → winding the winding on the third tooth rib in the 1 st batch mode → winding the winding on the second tooth rib in the 2 nd batch mode → winding the winding on the first tooth rib in the 2 nd batch mode → winding the winding on the third tooth rib in the 2 nd batch mode, and the windings in the unit winding are connected in series. The invention has the beneficial effects that: the winding method reasonably arranges the conductor flat cables at the notch and the groove bottom, improves the groove fullness rate and the winding efficiency, improves the winding qualification rate, and has good product consistency.
Description
Technical Field
The invention relates to the technical field of electric vehicles, in particular to a winding method of a motor stator for an electric vehicle.
Background
The electric vehicle is popular as a vehicle and is an indispensable daily necessity in the modern society. The hub motor is used as a driving part of the electric vehicle, the performance of the hub motor must meet the requirements of consumers on the use of the electric vehicle, and the competition is intensified along with the development of people in the industry. How to improve the motor performance and improve the production efficiency and the product quality stability of the product is a hotspot of product competition. The production efficiency, performance and product quality of the motor are mostly determined by the product quality of the motor winding, and how to design a good winding method to improve the characteristic requirements of the winding is a topic worth of long-term research by technical personnel in the industry.
Therefore, the present invention is an initiative for those skilled in the art to design a new winding method for a motor winding to simplify the manufacturing process, increase the production efficiency, reduce the manufacturing cost and improve the motor performance.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a winding method of a motor stator for an electric vehicle, which reasonably misplaces crowded positions existing in the winding process in a layered batch mode by utilizing a mode of multilayer batch and combining serial and parallel connection among windings, further improves the utilization of a spacious space of a stator notch, improves the full rate of winding slots, improves the production efficiency and the product qualification rate, optimizes the performance of a motor, and particularly improves the current overload capacity and the output torque of the motor.
In order to achieve the purpose, the invention provides a winding method of a motor stator for an electric vehicle, which has the technical scheme that:
[ a winding method of a motor stator for an electric vehicle, comprising a stator, wherein the stator comprises a tooth bar, a tooth slot and a winding, and is characterized in that: the winding takes a winding on 4 continuous tooth ribs as a unit winding, the tooth ribs of the unit winding are sequentially arranged in any circumferential direction to form a first tooth rib, a second tooth rib, a third tooth rib and a fourth tooth rib, the winding sequence of the winding method is' winding of the winding on the first tooth rib in the 1 st batch → winding of the winding on the second tooth rib in the 1 st batch → winding of the winding on the third tooth rib in the 1 st batch → winding of the winding on the fourth tooth rib in the 1 st batch → winding of the winding on the second tooth rib in the 2 nd batch → winding of the winding on the first tooth rib in the 2 nd batch → winding of the winding on the third tooth rib in the 2 nd batch, and the windings in the unit winding are connected in series. The design scheme aims to optimize the wiring at the winding crowded position at the bottom of the motor stator slot through the optimization of the winding sequence, so that each space in the stator slot is utilized to the maximum extent, and the full rate and the qualified rate of the motor slot are greatly improved.
The invention provides a winding method of a motor stator for an electric vehicle, which also comprises the following auxiliary technical scheme:
the windings on the teeth ribs are wound clockwise or anticlockwise, and the winding directions of the windings on the adjacent 2 teeth ribs in the unit winding are opposite. This design has optimized the sine nature of motor back electromotive force, improves control quality, can optimize motor tip simultaneously, reduces the copper line quantity, reduce cost.
The winding method comprises the steps that windings on the same tooth rib are wound in the same direction and are connected in series. According to the design scheme, the doubling times of the motor are reduced, the doubling error rate is reduced, and the production efficiency is improved.
Wherein, the wire diameter of a single conductor of the winding is 0.3 mm-3.3 mm.
Compared with the prior art, the invention has the advantages and beneficial effects that:
the winding method of the motor stator for the electric vehicle can select various wire diameter conductors with larger sectional areas, improves the single-strand effective sectional area of the conductors, greatly improves the current overload capacity of the motor, obviously improves the efficiency and the torque of the motor, reduces turn-to-turn and voltage-resistant fault rates and improves the product quality due to the layered batch staggered wiring structure.
Drawings
Fig. 1 is a schematic diagram of a winding structure of a winding method of a motor stator for an electric vehicle according to a preferred embodiment of the present invention, in which a unit winding is formed by winding 4-tooth windings in batches.
Fig. 2 is a schematic diagram of a structure of a stator winding of a motor 48 slot for an electric vehicle according to a preferred embodiment of the invention.
Fig. 3 is a graph showing a comparison curve of the performance of a motor using the stator of the in-wheel motor for an electric vehicle according to the present invention and a conventional in-wheel motor.
In the figure, 1, winding; 2. a toothed bar; 3. a tooth socket; 4. a phase line parallel node; 5. the winding is connected with the sub-node in a Y-shaped manner; 11. a unit winding; 21. a first tooth bar; 22. a second tooth bar; 23. a third tooth bar; 24. and a fourth tooth rib. It should be noted that the direction of the arrow placed on the conductor in the drawing is the winding direction of the stator winding structure.
Detailed Description
The following is a detailed description of the embodiments of the present invention, and the technical solutions of the present invention are further described in detail with reference to the accompanying drawings, and it should be noted that the described embodiments are only intended to facilitate the understanding of the present invention by those skilled in the art, and do not limit the scope of the present invention in any way.
Example 1:
as shown in fig. 1 to 2, in the preferred embodiment of the winding of the motor stator for the electric vehicle provided by the present embodiment, as shown in fig. 1 to 2, the stator includes a winding 1, a tooth bar 2, and a tooth slot 3, and particularly, wherein fig. 1 is an embodiment of a stator of a motor for an electric vehicle, in which a unit winding 11 is formed by winding a 4-tooth winding in batches, the unit winding 11 in the embodiment includes windings on a first tooth rib 21, a second tooth rib 22, a third tooth rib 23 and a fourth tooth rib 24, the windings on the first toothed bar 21, the second toothed bar 22 and the third toothed bar 23 are uniformly wound in more than 2 batches, the winding directions of all the windings 1 arranged on the same toothed bar 2 on any toothed bar 2 are the same, all the windings 1 on each toothed bar 2 in the unit windings 11 are connected in series, and a plurality of unit windings 11 of the stator are connected in series or in parallel or in series and in parallel. Particularly, in the embodiment, the windings on the first tooth rib 21, the second tooth rib 22 and the third tooth rib 23 in the unit winding 11 are wound in 2 batches, the winding on the fourth tooth rib 24 is wound in 1 batch, and each unit winding 11 of each phase is connected in parallel.
As shown in fig. 2, the present embodiment is a dc brushless 3-phase motor, the number of tooth slots 3 of the stator is 48, each phase winding 1 of the stator includes 4 parallel branches, 4 parallel branches of each phase intersect at the phase line parallel node 4, the winding structure of the present embodiment is "Y" type connection, all parallel branches of the three-phase winding intersect at the "Y" type connection point, and particularly, the "Y" type connection point in the present embodiment is divided into 4 "Y" type connection sub-nodes 5.
As shown in fig. 1, in the winding structure scheme with 4 teeth as a group in the present embodiment, the number of winding turns between the batches of the winding 1 on each of the teeth bars 2 in the unit winding 11 is arbitrary, and the winding sequence of the batches on each of the teeth bars 2 in the unit winding 11 is "winding 1 st batch on the first tooth bar 21 → winding 1 st batch on the second tooth bar 22 → winding 1 st batch on the third tooth bar 23 → winding 1 st winding batch on the fourth tooth bar 24 → winding 1 2 nd batch on the second tooth bar 22 → winding 1 nd batch on the first tooth bar 21 → winding 1 nd batch on the third tooth bar 23". In this embodiment, the first tooth bar 21, the second tooth bar 22, the third tooth bar 23, and the fourth tooth bar 24 may be defined clockwise or counterclockwise in the distribution sequence in the stator circumferential direction, and the clockwise and counterclockwise winding directions on each tooth bar 2 follow the principle that the winding directions on the adjacent tooth bars 2 in the unit winding 11 are opposite, and the winding direction on the first tooth bar 21 may be defined arbitrarily, particularly, the winding structure scheme in this embodiment is applicable to all cases where the winding structure of the unit winding 11 is constituted by 4 tooth bars 2.
The above embodiments are only preferred embodiments of the present invention, which are only used for illustrating the technical solutions of the present invention, and are not meant to limit the patent scope of the present invention, and all modifications or equivalent substitutions that are made to the technical solutions of the present invention by using the contents of the description and the drawings of the present invention, or directly or indirectly applied to other related technical fields, are included in the patent protection scope of the present invention.
Although the terms winding 1, rib 2, slot 3, phase parallel node 4, winding Y-connection split node 5, unit winding 11, first rib 21, second rib 22, third rib 23, fourth rib 24, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (4)
1. A winding method of a motor stator for an electric vehicle comprises a stator, wherein the stator comprises tooth ribs, tooth grooves and windings, and is characterized in that: the winding takes a winding on 4 continuous tooth ribs as a unit winding, the tooth ribs of the unit winding are sequentially arranged in any circumferential direction to form a first tooth rib, a second tooth rib, a third tooth rib and a fourth tooth rib, the winding sequence of the winding method is' winding of the winding on the first tooth rib in the 1 st batch → winding of the winding on the second tooth rib in the 1 st batch → winding of the winding on the third tooth rib in the 1 st batch → winding of the winding on the fourth tooth rib in the 1 st batch → winding of the winding on the second tooth rib in the 2 nd batch → winding of the winding on the first tooth rib in the 2 nd batch → winding of the winding on the third tooth rib in the 2 nd batch, and the windings in the unit winding are connected in series.
2. The winding method of the motor stator for the electric vehicle according to claim 1, wherein: the windings on the tooth ribs are wound clockwise or anticlockwise, and the winding directions of the windings on the adjacent 2 tooth ribs in the unit winding are opposite.
3. A winding method of a stator of a motor vehicle according to claim 1, wherein: the winding method is characterized in that windings on the same tooth rib are wound in the same direction and are connected in series.
4. A winding method of a stator of a motor vehicle according to claim 1, wherein: the wire diameter of a single conductor of the winding is 0.3 mm-3.3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424099.3A CN111641301B (en) | 2020-05-19 | 2020-05-19 | Winding method of motor stator for electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424099.3A CN111641301B (en) | 2020-05-19 | 2020-05-19 | Winding method of motor stator for electric vehicle |
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| CN111641301A true CN111641301A (en) | 2020-09-08 |
| CN111641301B CN111641301B (en) | 2022-08-05 |
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| CN202010424099.3A Active CN111641301B (en) | 2020-05-19 | 2020-05-19 | Winding method of motor stator for electric vehicle |
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Citations (13)
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| CN102545441A (en) * | 2010-12-09 | 2012-07-04 | Hrs风电技术有限公司 | Wind driven generator stator winding and winding method thereof |
| CN202309250U (en) * | 2011-10-25 | 2012-07-04 | 珠海格力电器股份有限公司 | Modularized motor stator |
| CN103378666A (en) * | 2012-04-27 | 2013-10-30 | 台达电子工业股份有限公司 | Motor |
| CN204118889U (en) * | 2014-08-18 | 2015-01-21 | 章昭晖 | A kind of combined winding construction of connection in series-parallel of electric motor car permanent magnetic brushless |
| CN204334135U (en) * | 2013-08-09 | 2015-05-13 | 陈波 | A kind of non-brush permanent-magnet DC motor stator adopting parallel winding wiring |
| CN204906145U (en) * | 2015-09-14 | 2015-12-23 | 台州市金宇机电有限公司 | Brushless direct current in -wheel motor of permanent magnetism for electric motor car with low material of high efficiency decreases |
| CN105656273A (en) * | 2014-11-14 | 2016-06-08 | 中国航空工业第六八研究所 | Dual-redundancy fractional slot isolation embedding brushless direct current motor and wire inserting method |
| CN105720761A (en) * | 2016-04-09 | 2016-06-29 | 哈尔滨工业大学 | Block type iron core winding method of compact permanent magnet brushless motor |
| CN106357018A (en) * | 2016-09-27 | 2017-01-25 | 珠海英搏尔电气股份有限公司 | Motor stator and motor |
| EP3352341A1 (en) * | 2017-01-20 | 2018-07-25 | Ovalo GmbH | Stator and method for manufacturing a stator |
| CN108539891A (en) * | 2018-06-06 | 2018-09-14 | 长鹰信质科技股份有限公司 | Flat wire continuous wave is around dislocation winding and contains the stator of its winding |
| CN108880050A (en) * | 2018-08-27 | 2018-11-23 | 龙城电装（常州）有限公司 | A kind of brushless DC motor stator method for winding |
| CN111130293A (en) * | 2018-11-01 | 2020-05-08 | 长鹰信质科技股份有限公司 | Brushless single-wire motor winding structure for electric vehicle |
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2020
- 2020-05-19 CN CN202010424099.3A patent/CN111641301B/en active Active
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| CN202309250U (en) * | 2011-10-25 | 2012-07-04 | 珠海格力电器股份有限公司 | Modularized motor stator |
| CN103378666A (en) * | 2012-04-27 | 2013-10-30 | 台达电子工业股份有限公司 | Motor |
| CN204334135U (en) * | 2013-08-09 | 2015-05-13 | 陈波 | A kind of non-brush permanent-magnet DC motor stator adopting parallel winding wiring |
| CN204118889U (en) * | 2014-08-18 | 2015-01-21 | 章昭晖 | A kind of combined winding construction of connection in series-parallel of electric motor car permanent magnetic brushless |
| CN105656273A (en) * | 2014-11-14 | 2016-06-08 | 中国航空工业第六八研究所 | Dual-redundancy fractional slot isolation embedding brushless direct current motor and wire inserting method |
| CN204906145U (en) * | 2015-09-14 | 2015-12-23 | 台州市金宇机电有限公司 | Brushless direct current in -wheel motor of permanent magnetism for electric motor car with low material of high efficiency decreases |
| CN105720761A (en) * | 2016-04-09 | 2016-06-29 | 哈尔滨工业大学 | Block type iron core winding method of compact permanent magnet brushless motor |
| CN106357018A (en) * | 2016-09-27 | 2017-01-25 | 珠海英搏尔电气股份有限公司 | Motor stator and motor |
| EP3352341A1 (en) * | 2017-01-20 | 2018-07-25 | Ovalo GmbH | Stator and method for manufacturing a stator |
| CN108539891A (en) * | 2018-06-06 | 2018-09-14 | 长鹰信质科技股份有限公司 | Flat wire continuous wave is around dislocation winding and contains the stator of its winding |
| CN108880050A (en) * | 2018-08-27 | 2018-11-23 | 龙城电装（常州）有限公司 | A kind of brushless DC motor stator method for winding |
| CN111130293A (en) * | 2018-11-01 | 2020-05-08 | 长鹰信质科技股份有限公司 | Brushless single-wire motor winding structure for electric vehicle |
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| CN111641301B (en) | 2022-08-05 |
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Application publication date: 20200908 Assignee: Jinyuxing Electromechanical Technology (Zhejiang) Co.,Ltd. Assignor: TAIZHOU JINYU ELECTROMECHANICAL Co.,Ltd. Contract record no.: X2023330000583 Denomination of invention: A winding method for the stator of an electric vehicle motor Granted publication date: 20220805 License type: Common License Record date: 20230908 |
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