CN104158351B - A kind of double feedback electric engine phase-wound rotor slip ring structure - Google Patents
A kind of double feedback electric engine phase-wound rotor slip ring structure Download PDFInfo
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- CN104158351B CN104158351B CN201410417198.3A CN201410417198A CN104158351B CN 104158351 B CN104158351 B CN 104158351B CN 201410417198 A CN201410417198 A CN 201410417198A CN 104158351 B CN104158351 B CN 104158351B
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- slip ring
- main body
- ring main
- conducting block
- conductive pole
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Abstract
The present invention is specially a kind of double feedback electric engine phase-wound rotor slip ring structure, has solved existing motor sliding ring and cooler, encoder are installed have been had that increase trouble point, assembly precision is difficult to the problem of controlling and operation easier increases. Slip ring main body is connected with cooling fan on right side, in annular hub, be provided with and fix with slip ring main body right side and some to conductive pole taking slip ring main body axle center as the uniform setting in the center of circle, on every pair of conductive pole, cover has T-shaped conducting block, the inner side of T-shaped conducting block has wiring hole, conductive pole inner side is provided with the encoder support being connected with slip ring main body right side, the insulating spacer that encoder support comprises two disks that be arranged in parallel and separates between two disks and by T-shaped conducting block, encoder support right circles disk center is provided with coder connecting shaft. The heat dissipation problem that the invention solves slip ring, reduces axial dimension, and ensures the reliability of connection and the manufacturability of operation.
Description
Technical field
The present invention relates to motor slip ring structure, be specially a kind of double feedback electric engine phase-wound rotor slip ring structure.
Background technology
In recent years along with the develop rapidly of wind-power electricity generation, day by day increase as the application of main force's type dual-feed asynchronous wind power generator of wind-power electricity generation. Wherein slip ring is the critical component that is connected motor rotating part and standing part between rotor winding and frequency converter, has irreplaceable effect.
As the critical component slip ring of motor, because of the difference of type, when design, need consider that rotor winding cable is connected with slip ring, the versatility of the layout of the installation of encoder and slip ring room cooling fan etc., this just needs in the situation that ensureing insulation, conductive capability, to have rational contour structures to adapt to the matching requirements of peripheral equipment in slip ring design process.
Existing slip ring structure, except having basic conduction linkage function, does not generally possess other functions, and this kind of structure exists following problem:
1, slip ring cooling itself is limited in one's ability, need provide cooling by other external components, and for example external cooling air duct or slip ring room install cooling fan additional, thereby causes complete machine parts to increase, and increases electrical fault point.
2, slip ring does not design the mounting support structure of encoder, need otherwise designed encoder mounting column, cause electric machine structure complexity, axial dimension increases, because slip ring is different manufacturers from encoder-mounting bracket, there is the unmanageable problem of assembly precision simultaneously.
3, slip ring and motor winding line adopt cable crimping copper binding post directly and slip ring binding post syndeton conventionally. Along with the increase of capacity motor, cable size increases thereupon, causes the increase of attended operation difficulty, manufacturability to reduce.
Summary of the invention
The present invention installs cooler in order to solve existing motor sliding ring, encoder exists the problem that increase trouble point, assembly precision is difficult to control and operation easier increases, and a kind of double feedback electric engine phase-wound rotor slip ring structure is provided.
The present invention adopts following technical scheme to realize: a kind of double feedback electric engine phase-wound rotor slip ring structure, comprise slip ring main body, slip ring main body is connected with cooling fan on right side, cooling fan is made up of annular hub and the blade that is fixed on annular hub outside, in annular hub, be provided with and fix with slip ring main body right side and some to conductive pole taking slip ring main body axle center as the uniform setting in the center of circle, on every pair of conductive pole, cover has T-shaped conducting block, the inner side of T-shaped conducting block has wiring hole, conductive pole inner side is provided with the encoder support being connected with slip ring main body right side, the insulating spacer that encoder support comprises two disks that be arranged in parallel and separates between two disks and by T-shaped conducting block, encoder support right circles disk center is provided with coder connecting shaft.
By assemble cooling fan, T-shaped conducting block and encoder support in slip ring main body, support the use with special slip ring room, without increasing extra cooling device, also without redesigning encoder support, in the case of ensureing that its basic serviceability does not reduce, effectively shorten motor axial dimension, reduced motor cost, overcome existing motor sliding ring and cooler, encoder are installed have been had that increase trouble point, assembly precision is difficult to the problem of controlling and operation easier increases.
Reasonable in design of the present invention is reliable, solve the heat dissipation problem of slip ring, reduce axial dimension, and in encoder support Design, take into account conductive pole connect manufacturability, can dismantle easily and safeguard, adopt the T-shaped conducting block of copper that rigidity is higher to connect simultaneously, ensure the reliability of connection and the manufacturability of operation.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation at encoder support place in Fig. 1;
Fig. 3 is the structural representation of T-shaped conducting block in Fig. 1.
In figure: 1-slip ring main body, 2-cooling fan, 3-annular hub, 4-blade, 5-conductive pole, 6-T type conducting block, 7-wiring hole, 8-encoder support, 9-disk, 10-insulating spacer, 11-coder connecting shaft.
Detailed description of the invention
A kind of double feedback electric engine phase-wound rotor slip ring structure, comprise slip ring main body 1, slip ring main body is connected with cooling fan 2 on 1 right side, cooling fan 2 is made up of annular hub 3 and the blade 4 that is fixed on annular hub 3 outsides, in annular hub 3, be provided with and fix with slip ring main body 1 right side and some to conductive pole 5 taking slip ring main body 1 axle center as the uniform setting in the center of circle, on every pair of conductive pole 5, cover has T-shaped conducting block 6, the inner side of T-shaped conducting block 6 has wiring hole 7, conductive pole 5 inner sides are provided with the encoder support 8 being connected with slip ring main body 1 right side, the insulating spacer 10 that encoder support 8 comprises two disks that be arranged in parallel 9 and separates between two disks 9 and by T-shaped conducting block 6, encoder support 8 right circles disk center are provided with coder connecting shaft 11.
In specific implementation process, cooling fan 2 is formed by steel plate riveted joint, and its annular hub 3 positions are processed with the seam and the bolt hole that coordinate with slip ring main body 1; Encoder support 8 adopts Welding Structure, and coder connecting shaft 11 is connected with encoder support 8 bolted by terminal pad, and coder connecting shaft 11 is processed according to code used device, and insulating spacer 10 is used for increasing the creep age distance between each connector lug; T-shaped conducting block 6 is processed by copper coin, and wherein one end is processed with two fixing holes that are connected with conductive pole 5, and the other end is processed with the wiring hole 7 being connected with rotor extraction cable, realizes being connected of rotor outgoing cable and slip ring.
Cooling fan 2 and slip ring main body 1 be by coordinating seam to adopt the mode of hot jacket to be assembled together, and by bolted; T-shaped conducting block 6 is installed on conductive pole 5, and with fastening nuts; Encoder support 8 is with coder connecting shaft 11 by terminal pad bolted, and the slip ring main body that completes assembling is arranged in the rotating shaft of motor sliding ring side, and encoder support 8 is coordinated and is arranged in double feedback electric engine rotating shaft by seam with slip ring main body 1, completes the assembling of slip ring.
Claims (1)
1. a double feedback electric engine phase-wound rotor slip ring structure, it is characterized in that: comprise slip ring main body (1), slip ring main body (1) is connected with cooling fan (2) on right side, cooling fan (2) is by annular hub (3) and be fixed on that the blade (4) in annular hub (3) outside forms, in annular hub (3), be provided with and fix with slip ring main body (1) right side and some to conductive pole (5) taking slip ring main body (1) axle center as the uniform setting in the center of circle, the upper cover of every pair of conductive pole (5) has T-shaped conducting block (6), the inner side of T-shaped conducting block (6) has wiring hole (7), conductive pole (5) inner side is provided with the encoder support (8) being connected with slip ring main body (1) right side, encoder support (8) comprises two disks that be arranged in parallel (9) and is positioned at the insulating spacer (10) separating between two disks (9) and by T-shaped conducting block (6), encoder support (8) right circles disk center is provided with coder connecting shaft (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410417198.3A CN104158351B (en) | 2014-08-23 | 2014-08-23 | A kind of double feedback electric engine phase-wound rotor slip ring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410417198.3A CN104158351B (en) | 2014-08-23 | 2014-08-23 | A kind of double feedback electric engine phase-wound rotor slip ring structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104158351A CN104158351A (en) | 2014-11-19 |
| CN104158351B true CN104158351B (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410417198.3A Active CN104158351B (en) | 2014-08-23 | 2014-08-23 | A kind of double feedback electric engine phase-wound rotor slip ring structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN104158351B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3742592A1 (en) | 2019-05-24 | 2020-11-25 | Siemens Aktiengesellschaft | Rotor for a rotating electric machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10003900B4 (en) * | 2000-01-29 | 2004-02-19 | Schunk Metall Und Kunststoff Gmbh | Current-transfer assembly |
| CN202535238U (en) * | 2012-03-29 | 2012-11-14 | 国电联合动力技术(宜兴)有限公司 | Encoder support installation structure for slip ring motor |
| CN202634189U (en) * | 2012-05-29 | 2012-12-26 | 佳木斯电机股份有限公司 | Marine megawatt level variable-speed constant-frequency double-feed asynchronous wind power generator |
| CN103516134B (en) * | 2013-03-26 | 2015-11-25 | 宁波市成大机械研究所 | A kind of axial fan for motor |
| CN204013104U (en) * | 2014-08-23 | 2014-12-10 | 永济新时速电机电器有限责任公司 | A kind of double feedback electric engine phase-wound rotor slip ring structure |
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- 2014-08-23 CN CN201410417198.3A patent/CN104158351B/en active Active
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| CN104158351A (en) | 2014-11-19 |
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Address after: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |