CN204118889U - A kind of combined winding construction of connection in series-parallel of electric motor car permanent magnetic brushless - Google Patents
A kind of combined winding construction of connection in series-parallel of electric motor car permanent magnetic brushless Download PDFInfo
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- CN204118889U CN204118889U CN201420464946.9U CN201420464946U CN204118889U CN 204118889 U CN204118889 U CN 204118889U CN 201420464946 U CN201420464946 U CN 201420464946U CN 204118889 U CN204118889 U CN 204118889U
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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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Abstract
The utility model relates to a kind of combined winding construction of connection in series-parallel of electric motor car permanent magnetic brushless, comprise stator tooth, wire casing and winding, described stator tooth quantity is the multiple proportion of machine operation phase sequence, described wire casing quantity is identical with stator tooth, winding uniform arrangement in good order on the stator teeth, winding structure is on the stator teeth one or more layers, all windings are evenly divided into the number of phases winding group identical with phase sequence, every phase winding group is made up of some groups of windings, winding often in group on each teeth groove adopts interrelated connection, and adopt connected in series or in parallel between group and group.
Description
Technical field
The utility model relates to motor technology, specifically a kind of combined winding construction of connection in series-parallel of electric motor car permanent magnetic brushless.
Background technology
Current electric motor car permanent-magnet brushless DC electric machine winding is parallel winding of multiple coils system, originate from before and after 2000, because Automated winding equipment is at that time very rare, electric vehicle motor factory master workers can only adopt the traditional handicraft of artificial down line to carry out the making of motor, and parallel winding of multiple coils system is easy to learn, simple to operate, be widely used so far always.
Because electric vehicle motor operating voltage is lower, umber of turn is less, the winding of each phase winding on corresponding stator tooth is all adopt series system to be electrically connected, therefore, on same pedestal, the rated speed of motor and umber of turn are proportionate relationship, and after changing the winding of a circle, the rotation speed change scope of motor is larger, therefore, many electrical machinery plants are in order to reduce the excursion of motor speed, have to adopt and the umber of turn on partial stator tooth is reduced (we are non-winding such as circle such as number such as grade), the result brought is exactly the power drop of motor, starting moment of torsion diminishes, motor pulsation moment composition increases, operating noise becomes large, the adverse consequencess such as the job stability variation of motor.
Traditional tandem winding construction due to the number of turn lower, even if adopt the technique of multi cord and also coiling to be also difficult to realize in good order, evenly distributed winding construction by automation equipment, stator copper factor cannot effectively be promoted, the therefore serious lifting constraining motor stator copper factor.
Utility model content
The utility model relates to a kind of combined winding construction of connection in series-parallel of electric motor car permanent magnetic brushless, under operating voltage and the constant prerequisite of motor base, not only be easy to realize adjusting arbitrarily the rotating speed of electric vehicle motor, adopt single line directly around mode, the automation equipment that also can realize low cost carries out coiling, has obvious effect for improving the copper factor of motor stator, the performance improving motor and cost performance.
For achieving the above object by the following technical solutions:
A kind of combined winding construction of connection in series-parallel of electric motor car permanent magnetic brushless, comprise stator tooth, wire casing and winding, it is characterized in that: described stator tooth quantity is the multiple proportion of machine operation phase sequence, described wire casing quantity is identical with stator tooth, winding uniform arrangement in good order on the stator teeth, winding structure is on the stator teeth one or more layers, all windings are evenly divided into the number of phases winding group identical with phase sequence, every phase winding group is made up of some groups of windings, winding often in group on each teeth groove adopts interrelated connection, and adopt connected in series or in parallel between group and group.
The utility model by the combined winding of connection in series-parallel, and adopts single line directly around mode, and the automation equipment realizing low cost carries out coiling, has obvious effect for improving the copper factor of motor stator, the performance improving motor and cost performance.
Accompanying drawing explanation
Fig. 1 is the basic structure of the utility model stator and combined winding;
Fig. 2 is the winding construction after the utility model tandem compound;
Fig. 3 is the winding construction after the another kind of tandem compound of the utility model.
Embodiment
As Figure 1-3, a kind of combined winding construction of connection in series-parallel of electric motor car permanent magnetic brushless, comprise stator tooth 1, wire casing 2 and winding 3, described stator tooth quantity is the multiple proportion of machine operation phase sequence, described wire casing quantity is identical with stator tooth, winding uniform arrangement in good order on the stator teeth, winding structure is on the stator teeth that one deck is to multilayer, winding on each stator tooth can carry out parallel connection or series connection with adjacent stator tooth winding, on same Motor Stator Assembly, winding on each stator tooth can need to carry out several connection in series-parallel combinations according to the operating mode of motor.
Figure 2 shows that one of connection in series-parallel combination winding, in figure, stator is 36 grooves, winding is wherein divided into A, B, C totally 3 phases, each phase winding is divided into 4 groups, every a small group is 3 stator tooths and winding, and illustrated structure is, three independent winding of every a small group are carried out parallel connection and connected with the winding in parallel of another three same structures afterwards, we are referred to as three and four string structures, and the number of turn on each stator tooth can be increased to the rotating speed of four times and the original full tandem winding of maintenance by this structure.
Figure 3 shows that connection in series-parallel combination winding two, in figure, stator is 36 grooves, winding is wherein divided into A, B, C totally 3 phases, each phase winding is divided into 4 groups, every a small group is 3 stator tooths and winding, and illustrated structure is, three independent winding of every a small group are carried out parallel connection and carried out parallel connection with the winding in parallel of another three same structures afterwards, we are referred to as 12 and structure, and the number of turn on each stator tooth can be increased to the rotating speed of 12 times and the original full tandem winding of maintenance by this structure.
The utility model is under operating voltage and the constant prerequisite of motor base, not only be easy to realize adjusting arbitrarily the rotating speed of electric vehicle motor, adopt single line directly around mode, the automation equipment that also can realize low cost carries out coiling, has obvious effect for improving the copper factor of motor stator, the performance improving motor and cost performance.
Claims (1)
1. the combined winding construction of the connection in series-parallel of an electric motor car permanent magnetic brushless, comprise stator tooth, wire casing and winding, it is characterized in that: described stator tooth quantity is the multiple proportion of machine operation phase sequence, described wire casing quantity is identical with stator tooth, winding uniform arrangement in good order on the stator teeth, winding structure is on the stator teeth one or more layers, all windings are evenly divided into the number of phases winding group identical with phase sequence, every phase winding group is made up of some groups of windings, winding often in group on each teeth groove adopts interrelated connection, and adopt connected in series or in parallel between group and group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420464946.9U CN204118889U (en) | 2014-08-18 | 2014-08-18 | A kind of combined winding construction of connection in series-parallel of electric motor car permanent magnetic brushless |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420464946.9U CN204118889U (en) | 2014-08-18 | 2014-08-18 | A kind of combined winding construction of connection in series-parallel of electric motor car permanent magnetic brushless |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118889U true CN204118889U (en) | 2015-01-21 |
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ID=52336169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420464946.9U Ceased CN204118889U (en) | 2014-08-18 | 2014-08-18 | A kind of combined winding construction of connection in series-parallel of electric motor car permanent magnetic brushless |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204118889U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641301A (en) * | 2020-05-19 | 2020-09-08 | 台州市金宇机电有限公司 | Winding method of motor stator for electric vehicle |
| CN111641300A (en) * | 2020-05-19 | 2020-09-08 | 台州市金宇机电有限公司 | Winding method of motor stator for electric vehicle |
-
2014
- 2014-08-18 CN CN201420464946.9U patent/CN204118889U/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641301A (en) * | 2020-05-19 | 2020-09-08 | 台州市金宇机电有限公司 | Winding method of motor stator for electric vehicle |
| CN111641300A (en) * | 2020-05-19 | 2020-09-08 | 台州市金宇机电有限公司 | Winding method of motor stator for electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20190329 Decision number of declaring invalidation: 39581 Granted publication date: 20150121 |