CN203278577U - Outer-stator wind-driven generator - Google Patents
Outer-stator wind-driven generator Download PDFInfo
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- CN203278577U CN203278577U CN 201320289444 CN201320289444U CN203278577U CN 203278577 U CN203278577 U CN 203278577U CN 201320289444 CN201320289444 CN 201320289444 CN 201320289444 U CN201320289444 U CN 201320289444U CN 203278577 U CN203278577 U CN 203278577U
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Abstract
The utility model discloses an outer-stator wind-driven generator. The outer-stator wind-driven generator comprises a stator mechanism, a bearing mechanism, a rotor mechanism, an armature winding and a fan blade. The stator mechanism comprises a stator support and a radial stator permanent magnet disposed on the stator support. The bearing mechanism is connected with the stator mechanism. The rotor mechanism is coaxially connected with the stator mechanism through the bearing mechanism; the rotor mechanism comprises an outer rotor and an inner rotor; and the outer rotor is provided with a radial outer-rotor magnetism-adjusting part, the inner rotor is provided with a radial-magnetizing radial inner-rotor permanent magnet corresponding to the radial stator permanent magnet, and the stator mechanism is disposed outside the outer rotor and the inner rotor in a radial direction. The armature winding is disposed on the radial outer-rotor magnetism-adjusting part. The fan blade is disposed on the outer rotor. The outer-stator wind-driven generator also comprises an axial magnetism-exciting mechanism. The axial magnetism-exciting mechanism is disposed on two sides of the rotor mechanism and the stator mechanism in an axial direction, and is used to increase the magnetic field density between the outer rotor and the inner rotor through axial magnetizing.
Description
Technical field
The utility model relates to a kind of generator, particularly a kind of external stator nwind driven electric generator.
Background technology
Wind-driven generator in prior art, the design of rotor and stator all adopt axially or magnetizing radially.Disclose a kind of as Chinese patent literature number for the patent documentation of CN201466945U, radial magnetic field coreless permanent magnet wind generator, the rotor inside cylindrical that comprises coaxial setting, rotor outside cylindrical and stator cylinder, wherein, the rotor inside cylindrical is connected with the rotor outside cylindrical and is one, and all be connected with main shaft by bearing, and the nozzle direction of rotor inside cylindrical and rotor outside cylindrical is consistent, the nozzle direction of described stator cylinder is opposite with the rotor cylinder, and the barrel of stator cylinder is between the barrel of rotor inside cylindrical and rotor outside cylindrical; Interior magnet steel is uniformly distributed along the circumference on the barrel of rotor inside cylindrical, outer steel is uniformly distributed along the circumference on the barrel of rotor outside cylindrical, uniform interior magnet steel and outer steel alternating polarity change, and corresponding interior magnet steel is opposite with outer steel polarity, and coil is uniformly distributed along the circumference on the barrel of described stator cylinder.For above design, thereby improve transmission of torque power in order to increase torque density, those skilled in the art tend to increase magnet thickness from circumferential direction and attempt to strengthen magnetic field intensity, yet, so can the circumferential volume of aggrandizement apparatus itself, affect the global design of equipment, in addition, thicken to attempt to strengthen magnetic field intensity what make progress in week, can be subject to the impact of the magnetic resistance of magnet own, such as, when Circumferential field intensity reaches a certain extreme value, continue to increase magnet thickness, reality does not have contribution to the increase of the transmission power of torque density and torque.Therefore, need to propose a kind of new design and solve above technical problem.
The utility model content
For this reason, technical problem to be solved in the utility model is to propose a kind of external stator nwind driven electric generator that the magnet circumferential thickness increases external rotor and internal rotor torque transfer capability that need not to strengthen.
A kind of external stator nwind driven electric generator of the present utility model comprises:
Stator mechanism, described stator mechanism comprise stator support, and are located at the radial stator permanent magnet on described stator support;
Bearning mechanism, mechanism is connected with described stator;
Rotor mechanism, by described Bearning mechanism and coaxial connection of described stator mechanism, described rotor mechanism comprises external rotor and internal rotor, described external rotor is provided with footpath outer rotor via adjustable magnetic parts, described internal rotor is provided with the radially internal rotor permanent-magnetic body of the radial magnetizing corresponding with described radial stator permanent magnet, and described stator mechanism is located at described external rotor and the described internal rotor outside on radially;
Armature winding is located on the outer rotor via adjustable magnetic parts of described footpath;
Fan blade is located on described external rotor;
Also comprise axial exciting mechanism, be located at rotor mechanism and stator mechanism axially on both sides, be used for increasing magnetic density between described external rotor and described internal rotor by axial charging.
Above-mentioned wind-driven generator, described axial exciting mechanism comprises the axial internal rotor permanent-magnetic body of the opposite axial charging that distributes of at least one pair of adjacent pole of being located on described internal rotor, be located at the axial external rotor adjustable magnetic parts on described external rotor, and be located at the opposite axial stator permanent magnet that distributes of at least one pair of adjacent pole on described stator support.
Above-mentioned wind-driven generator, described axial internal rotor permanent-magnetic body, relative position relation between described axial external rotor adjustable magnetic parts and described axial stator permanent magnet respectively with described radial stator permanent magnet, described footpath outer rotor via adjustable magnetic parts, corresponding with the relative position relation between described radially internal rotor permanent-magnetic body.
Above-mentioned wind-driven generator, the quantity of described axial stator permanent magnet are the quantity sum of described axial external rotor adjustable magnetic parts and described axial internal rotor permanent-magnetic body.
Above-mentioned wind-driven generator, described radial stator permanent magnet, described radially internal rotor permanent-magnetic body, described footpath outer rotor via adjustable magnetic parts, described axial stator permanent magnet, described axial internal rotor permanent-magnetic body, described axial external rotor adjustable magnetic parts are circumferentially and evenly distribute; The quantity of described radial stator permanent magnet is the quantity sum of described footpath outer rotor via adjustable magnetic parts and described radially internal rotor permanent-magnetic body.
Above-mentioned wind-driven generator is provided with the radial stator iron core between described stator support and described radial stator permanent magnet.
Above-mentioned wind-driven generator is provided with the axial stator iron core between described stator support and described axial stator permanent magnet.
Above-mentioned wind-driven generator, described footpath outer rotor via adjustable magnetic parts comprise at least one adjustable magnetic piece unshakable in one's determination, and described armature winding is located on described adjustable magnetic piece unshakable in one's determination.
Above-mentioned wind-driven generator, described external rotor comprise external rotor support and the external rotor rotating shaft that is connected with described external rotor support, and described internal rotor comprises that internal rotor is unshakable in one's determination, with the internal rotor rotating shaft that is connected with described internal rotor iron core.
Technique scheme of the present utility model has the following advantages compared to existing technology:
Stator mechanism, described stator mechanism comprise stator support, and are located at the radial stator permanent magnet on described stator support; Bearning mechanism, mechanism is connected with described stator; Rotor mechanism, by described Bearning mechanism and coaxial connection of described stator mechanism, described rotor mechanism comprises external rotor and internal rotor, described external rotor is provided with footpath outer rotor via adjustable magnetic parts, described internal rotor is provided with the radially internal rotor permanent-magnetic body of the radial magnetizing corresponding with described radial stator permanent magnet, and described stator mechanism is located at described external rotor and the described internal rotor outside on radially; Armature winding is located on the outer rotor via adjustable magnetic parts of described footpath; Fan blade is located on described external rotor; Also comprise axial exciting mechanism, be located at rotor mechanism and stator mechanism axially on both sides, be used for increasing magnetic density between described external rotor and described internal rotor by axial charging.Above design can be avoided wind-driven generator is upwards strengthened thickness in week, affects the global design of equipment; The utility model adopts the mode of the parts that magnetize increase in the axial direction axial charging, and for increasing magnetic density, thereby can increase torque density between external rotor and internal rotor, and then increase torque transmission power.
Description of drawings
Fig. 1 is the circumferential schematic diagram of external stator nwind driven electric generator of the present utility model;
Fig. 2 be Fig. 1 external stator nwind driven electric generator A-A to profile;
The 1-stator support, the 2-radial stator is unshakable in one's determination, 3-radial stator permanent magnet, 4-footpath outer rotor via adjustable magnetic parts, 5-is the internal rotor permanent-magnetic body radially, and the 6-internal rotor is unshakable in one's determination, 7-external rotor support, the axial internal rotor permanent-magnetic body of 8-, the axial external rotor adjustable magnetic of 9-parts, 10-axial stator permanent magnet, the 11-axial stator is unshakable in one's determination, the rotating shaft of 12-internal rotor, 13-adjustable magnetic piece unshakable in one's determination, the rotating shaft of 14-external rotor, 15-inner rotor shaft bearing assembly, 16-outer rotor shaft bearing assembly, 17-armature winding; The 18-fan blade.
Embodiment
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model according to specific embodiment of the utility model also by reference to the accompanying drawings.
A kind of external stator nwind driven electric generator comprises:
Stator mechanism, described stator mechanism comprises stator support 1 and radial stator permanent magnet 3, described stator support 1 and 3 of described radial stator permanent magnets are provided with radial stator iron core 2, and described radial stator permanent magnet 3 is located on described stator support 1 by described radial stator iron core 2;
Bearning mechanism is preferably and comprises inner rotor shaft bearing assembly 15 and outer rotor shaft bearing assembly 16, and mechanism is connected with described stator;
Rotor mechanism, by described Bearning mechanism and coaxial connection of described stator mechanism, described rotor mechanism comprises external rotor and internal rotor, described external rotor is provided with footpath outer rotor via adjustable magnetic parts 4, described internal rotor is provided with the radially internal rotor permanent-magnetic body 5 of the radial magnetizing corresponding with described radial stator permanent magnet 3, and described stator mechanism is located at described external rotor and the described internal rotor outside on radially;
Described external rotor is preferably and comprises external rotor support 7 and the external rotor rotating shaft 14 that is connected with described external rotor support 7, described internal rotor comprise internal rotor unshakable in one's determination 6 with the 6 internal rotor rotating shafts 12 that are connected unshakable in one's determination of described internal rotor, described radially internal rotor permanent-magnetic body 5 is located on described internal rotor iron core 6.In the present embodiment, the external rotor rotating shaft 14 of described external rotor is connected with stator support 1 by bearing assembly 16, and described internal rotor rotating shaft 12 is connected with described stator support 1 by inner rotor shaft bearing assembly 15;
Armature winding 17 is located on described footpath outer rotor via adjustable magnetic parts 4;
Also comprise axial exciting mechanism, be located at described rotor mechanism and described stator mechanism axially on both sides, be used for increasing magnetic density between described external rotor and described internal rotor by axial charging.
Described axial exciting mechanism is preferably and comprises and being located on described internal rotor, be specially the axial internal rotor permanent-magnetic body 8 of the opposite axial charging that distributes of at least one pair of adjacent pole of being located on described internal rotor iron core, with be located on described external rotor, be specially the axial external rotor adjustable magnetic parts 9 of being located on described external rotor support, and be located at the opposite axial stator permanent magnet 10 that distributes of at least one pair of adjacent pole on described stator support 1.
Be preferably between described stator support and described axial stator permanent magnet and be provided with axial stator iron core 11, described axial stator permanent magnet 10 is located on described stator support by described axial stator iron core 11.
Described axial internal rotor permanent-magnetic body 8, the relative position relation that described axial external rotor adjustable magnetic parts 9 and described axial stator permanent magnet are 10 respectively with described radial stator permanent magnet 3, described footpath outer rotor via adjustable magnetic parts 4, corresponding with the relative position relation of 5 of described radially internal rotor permanent-magnetic bodies.
The quantity of described axial stator permanent magnet 10 preferably is selected as the quantity sum of described axial external rotor adjustable magnetic parts 9 and described axial internal rotor permanent-magnetic body 8.Described radial stator permanent magnet, described radially internal rotor permanent-magnetic body, described footpath outer rotor via adjustable magnetic parts, described axial stator permanent magnet, described axial internal rotor permanent-magnetic body, described axial external rotor adjustable magnetic parts all are preferably circumferentially and evenly distribute; The quantity of described radial stator permanent magnet 3 is the quantity sum of described footpath outer rotor via adjustable magnetic parts 4 and described radially internal rotor permanent-magnetic body 5.
As shown in Figure 2, described footpath outer rotor via adjustable magnetic parts 4 are preferably and comprise that at least one adjustable magnetic piece 13 unshakable in one's determination, described armature winding 17 are located on described adjustable magnetic piece 13 unshakable in one's determination, and in the external rotor rotation process, described armature winding 17 cutting magnetic induction lines produce induced current.
Described wind-driven generator also comprises fan blade 18, and described fan blade 18 is located on described external rotor; Preferably be selected as and be located in described external rotor rotating shaft 14, and be positioned at the outside of described stator support 1.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And the apparent variation of being extended out thus or change still are among the protection range of the utility model creation.
Claims (9)
1. external stator nwind driven electric generator comprises:
Stator mechanism, described stator mechanism comprise stator support, and are located at the radial stator permanent magnet on described stator support;
Bearning mechanism, mechanism is connected with described stator;
Rotor mechanism, by described Bearning mechanism and coaxial connection of described stator mechanism, described rotor mechanism comprises external rotor and internal rotor, described external rotor is provided with footpath outer rotor via adjustable magnetic parts, described internal rotor is provided with the radially internal rotor permanent-magnetic body of the radial magnetizing corresponding with described radial stator permanent magnet, and described stator mechanism is located at described external rotor and the described internal rotor outside on radially;
Armature winding is located on the outer rotor via adjustable magnetic parts of described footpath;
Fan blade is located on described external rotor;
It is characterized in that: also comprise axial exciting mechanism, be located at described rotor mechanism and described stator mechanism axially on both sides, be used for increasing magnetic density between described external rotor and described internal rotor by axial charging.
2. wind-driven generator according to claim 1 is characterized in that:
Described axial exciting mechanism comprises the axial internal rotor permanent-magnetic body of the opposite axial charging that distributes of at least one pair of adjacent pole of being located on described internal rotor, be located at the axial external rotor adjustable magnetic parts on described external rotor, and be located at the opposite axial stator permanent magnet that distributes of at least one pair of adjacent pole on described stator support.
3. wind-driven generator according to claim 2 is characterized in that:
Described axial internal rotor permanent-magnetic body, relative position relation between described axial external rotor adjustable magnetic parts and described axial stator permanent magnet respectively with described radial stator permanent magnet, described footpath outer rotor via adjustable magnetic parts, corresponding with the relative position relation between described radially internal rotor permanent-magnetic body.
4. wind-driven generator according to claim 2 is characterized in that:
The quantity of described axial stator permanent magnet is the quantity sum of described axial external rotor adjustable magnetic parts and described axial internal rotor permanent-magnetic body.
5. wind-driven generator according to claim 2 is characterized in that:
Also be provided with the axial stator iron core between described stator support and described axial stator permanent magnet.
6. wind-driven generator according to claim 2 is characterized in that:
Described radial stator permanent magnet, described radially internal rotor permanent-magnetic body, described footpath outer rotor via adjustable magnetic parts, described axial stator permanent magnet, described axial internal rotor permanent-magnetic body, described axial external rotor adjustable magnetic parts are circumferentially and evenly distribute; The quantity of described radial stator permanent magnet is the quantity sum of described footpath outer rotor via adjustable magnetic parts and described radially internal rotor permanent-magnetic body.
7. wind-driven generator according to claim 1 is characterized in that:
Also be provided with the radial stator iron core between described stator support and described radial stator permanent magnet.
8. root wind-driven generator claimed in claim 1 is characterized in that:
Described footpath outer rotor via adjustable magnetic parts comprise at least one adjustable magnetic piece unshakable in one's determination, and described armature winding winding is on described adjustable magnetic piece unshakable in one's determination.
9. wind-driven generator according to claim 1 is characterized in that:
Described external rotor comprises external rotor support and the external rotor rotating shaft that is connected with described external rotor support, and described internal rotor comprises that internal rotor is unshakable in one's determination, with the internal rotor rotating shaft that is connected with described internal rotor iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320289444 CN203278577U (en) | 2013-05-24 | 2013-05-24 | Outer-stator wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320289444 CN203278577U (en) | 2013-05-24 | 2013-05-24 | Outer-stator wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203278577U true CN203278577U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320289444 Expired - Fee Related CN203278577U (en) | 2013-05-24 | 2013-05-24 | Outer-stator wind-driven generator |
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| CN (1) | CN203278577U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107026545A (en) * | 2017-06-13 | 2017-08-08 | 重庆大学 | A kind of hybrid vehicle brushless Double-stator motor |
| CN109038892A (en) * | 2018-05-18 | 2018-12-18 | 深圳超磁机器人科技有限公司 | A kind of automatic retarding motor and driver hollow disc type structure |
| WO2020258729A1 (en) * | 2019-06-28 | 2020-12-30 | 广东美的白色家电技术创新中心有限公司 | Direct current brushless motor |
-
2013
- 2013-05-24 CN CN 201320289444 patent/CN203278577U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107026545A (en) * | 2017-06-13 | 2017-08-08 | 重庆大学 | A kind of hybrid vehicle brushless Double-stator motor |
| CN107026545B (en) * | 2017-06-13 | 2019-06-25 | 重庆大学 | A kind of hybrid vehicle brushless Double-stator motor |
| CN109038892A (en) * | 2018-05-18 | 2018-12-18 | 深圳超磁机器人科技有限公司 | A kind of automatic retarding motor and driver hollow disc type structure |
| CN109038892B (en) * | 2018-05-18 | 2024-04-09 | 深圳超磁机器人科技有限公司 | Automatic gear motor and hollow disc type structure of driver |
| WO2020258729A1 (en) * | 2019-06-28 | 2020-12-30 | 广东美的白色家电技术创新中心有限公司 | Direct current brushless motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20160524 |