CN101931278A - Direct drive permanent magnet plastic package power generator for low-speed wind driven generator - Google Patents
Direct drive permanent magnet plastic package power generator for low-speed wind driven generator Download PDFInfo
- Publication number
- CN101931278A CN101931278A CN2009101480594A CN200910148059A CN101931278A CN 101931278 A CN101931278 A CN 101931278A CN 2009101480594 A CN2009101480594 A CN 2009101480594A CN 200910148059 A CN200910148059 A CN 200910148059A CN 101931278 A CN101931278 A CN 101931278A
- Authority
- CN
- China
- Prior art keywords
- stator
- iron core
- plastic package
- low
- direct drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention relates to a direct drive permanent magnet plastic package power generator for a low-speed wind driven generator, which comprises a rotor, an end cover, a bearing, a rubber sealing ring and a stator, wherein the side surface of the rotor is locked with the end cover, the axes of the rotor is sleeved with one end of the stator, the axes of the end cover is sleeved with the stator through the bearing, and the rubber sealing ring is sleeved between the axes of the end cover and the stator; the inner side of the rotor is provided with two magnetic steel frameworks which are uniformly provided with a plurality of magnetic steels; a stator iron core is arranged on the stator and comprises iron core teeth and an iron core yoke which are wedged mutually; a coil framework is sleeved on the iron core teeth, and a stator coil is wound on the coil framework; and a plastic sealing ring is sleeved on the stator iron core. The invention has the advantages of low cost, reliable operation, small volume, light weight, high efficiency, mechanical winding, moisture and mildew as well as sand dust preventing functions and long service life, and is suitable for massive and automatic production.
Description
Technical field
The present invention relates to a kind of small-sized wind power generator, especially a kind of direct drive permanent magnet plastic package power generator for low-speed wind driven generator.
Background technology
Wind energy is a green regenerative energy sources, the exploitation of blower fan, uses more and more extensivelyr, and what small-sized wind power generator was used in the market is internal rotor or permanent magnet generator, and there is following shortcoming in it:
1, number of poles few (generally being the 4-6 utmost point), joining with blower fan needs step-up gear, and production cost, maintenance cost height, volume and weight are all very big;
2, initial wind speed height, efficient is low;
3, stator varnished insulation grade is the E level, and protective capacities is poor, and the generator life-span is short;
4, stator punching is whole, silicon steel material utilance low (30-40%);
5, stator copper factor height, rule can only be by hand, and production efficiency is low.
Summary of the invention
The purpose of this invention is to provide a kind of direct drive permanent magnet plastic package power generator for low-speed wind driven generator, overcome complex structure, the cost height of existing product, efficient is low, the deficiency that the life-span is short.
The objective of the invention is to be achieved through the following technical solutions:
A kind of direct drive permanent magnet plastic package power generator for low-speed wind driven generator, comprise rotor, end cap, bearing, rubber seal and stator, described rotor side surface is by screw interlocking end cap, the rotor axis place is by bearing socket stator one end, place, end cap axle center is by bearing socket stator, socket rubber seal between place, end cap axle center and the stator, rubber seal are arranged on the bearing outside; Described rotor inboard is provided with two magnet steel skeletons, on the two magnet steel skeletons some magnet steel are set evenly, magnet steel is staggered by the N-S utmost point, the polarity of adjacent two magnet steel is opposite, magnet steel adopts binding agent to be bonded on the magnet steel skeleton, and the adhesion strength of magnet steel must be able to be born the peeling force of 30Kgr, and described stator adopts the magnet steel support, the magnet steel width is 0.6-0.8 with the ratio of pole span, and the rotor magnetic steel width is 70% of a pole span.
On the described stator stator core is set, stator core is made up of iron core teeth and the mutual joggle of iron core yoke, and stator iron core tooth and iron core yoke are for dividing body structure, and iron core teeth is interior arc structure, the iron core yoke is the external arc structure, and radius of circle is identical with iron core yoke exradius in the iron core teeth; Described iron core teeth is laminated by the automatic joggle of a plurality of stator punchings to be formed, and notch is set on the stator punching, and its manufacture craft is: stator punching subpunch notch, and it is rectangular stator punching being cut out a piece of cloth in a way with the minimum material to make two or more articles of clothing punching out again, adopts automatic joggle to laminate into that curved again circle gets final product behind the stator core; Described iron core yoke is laminated by the automatic joggle of a plurality of stator yoke punchings to be formed, and its manufacture craft is: the stator yoke punching with rectangular straight line punching out, is rolled into circle through winding apparatus continuously, and joggle laminates into the stator core yoke automatically then.Silicon steel sheet is except that notch has waste material, and all the other all are effective materials, and stock utilization reaches 99%.
Socket coil rack on the described iron core teeth twines stator coil on the coil rack, its manufacture craft is: use automatic coil winding machine on coil rack in enamelled wire (single); Every group of coil that winds be enclosed within on the stator iron core tooth get final product.Save the rule operation.
Socket plastic packaging circle on the described stator core, its manufacture craft is: the stator core that will install coil is after bending into circular arc on the special tooling, and stator coil wiring in the frock of packing into is put into plastic package die then and sealed whole getting final product with the BMC moulding compound; Described split iron core teeth and iron core yoke plastic packaging are structure as a whole.The class of insulation is the F level.
The beneficial effect of direct drive permanent magnet plastic package power generator for low-speed wind driven generator of the present invention is: owing to be multistage, low-speed generator, realize directly driving, fan blade can directly be contained on the external rotor, cost is low, material cost, production cost, working service cost all significantly reduce, and is reliable; Adopt plastic package process, improved the class of insulation.Volume is little, in light weight, efficient high (83%-90%); Realization mechanization coiling is fit in enormous quantities, automated production; Adopt the stator plastic packaging, have protection against the tide, mildew-resistant, anti-dust function, under the working condition, the life-span reaches 15 years in the open.
Description of drawings
Fig. 1 is the structural representation of the described direct drive permanent magnet plastic package power generator for low-speed wind driven generator of the embodiment of the invention;
Fig. 2 is the expansion schematic diagram of the rotor of the described direct drive permanent magnet plastic package power generator for low-speed wind driven generator of the embodiment of the invention;
Fig. 3 is the structural representation of the stator of the described direct drive permanent magnet plastic package power generator for low-speed wind driven generator of the embodiment of the invention;
Fig. 4 is the structural representation of the stator core of the described direct drive permanent magnet plastic package power generator for low-speed wind driven generator of the embodiment of the invention;
Fig. 5 is the structural representation of the stator coil of the described direct drive permanent magnet plastic package power generator for low-speed wind driven generator of the embodiment of the invention.
Among the figure: 1, rotor; 2, screw; 3, end cap; 4, bearing; 5, rubber seal; 6, stator; 7, magnet steel skeleton; 8, magnet steel; 9, stator core; 10, iron core teeth; 11, iron core yoke; 12, stator punching; 13, stator yoke punching; 14, notch; 15, stator coil; 16, coil rack; 17, plastic packaging circle.
Embodiment
As illustrated in fig. 1 and 2, the described direct drive permanent magnet plastic package power generator for low-speed wind driven generator of the embodiment of the invention, comprise rotor 1, end cap 3, bearing 4, rubber seal 5 and stator 6, described rotor 1 side is by screw 2 interlocking end caps 3, place, rotor 1 axle center is by bearing socket stator 6 one ends, place, end cap 3 axle center passes through bearing 4 socket stators 6, socket rubber seal 5 between place, end cap 3 axle center and the stator, and rubber seal 5 is arranged on bearing 4 outsides; Described rotor 1 inboard is provided with 2 magnet steel skeletons 7,56 magnet steel 8 evenly are set on the two magnet steel skeletons 7, described magnet steel 8 is staggered by the N-S utmost point, the polarity of adjacent two magnet steel 8 is opposite, and magnet steel 8 adopts binding agent to be bonded on the magnet steel skeleton 7, and the adhesion strength of magnet steel 8 must be able to be born the peeling force of 30Kgr, described stator 6 adopts magnet steel skeleton 7, magnet steel 8 width can be optimized design with the ratio of pole span, are generally 70%, can divide generating at 80-400/.Can save 30% permanent magnetic material (permanent magnetic material accounts for 50% in the cost in motor), and can reduce location torque, improve electric efficiency, rotor magnetic steel 8 width are 70% of pole spans, and not only permanent magnetic material can save 30%, and electric efficiency can improve 3%-5%.
Shown in Fig. 3-5, the described direct drive permanent magnet plastic package power generator for low-speed wind driven generator of the embodiment of the invention, on the described stator 6 stator core 9 is set, stator core 9 is made up of iron core teeth 10 and iron core yoke 11 mutual joggles, stator iron core tooth 10 is the branch body structure with iron core yoke 11, totally 6 groups of described iron core teeth 10 (10 every group), and iron core teeth 10 is interior arc structure, iron core yoke 11 is the external arc structure, and radius of circle is identical with iron core yoke 11 exradius in the iron core teeth 10; Described iron core teeth 10 is laminated by a plurality of stator punching 12 automatic joggles to be formed, and notch 14 is set on the stator punching 12, when making, stator punching 12 subpunch notches 14, blanking is rectangular with stator punching 12 punching out more then, adopts automatic joggle to laminate into curved again circle after the iron core teeth 10; Described iron core yoke 11 is laminated by a plurality of stator yoke punching 13 automatic joggles to be formed, and when making, stator yoke punching 13 with rectangular straight line punching out, is rolled into circle through winding apparatus continuously, and joggle laminates into stator core yoke 11 automatically then.
Socket coil rack 16 on the described iron core teeth 10 twines stator coil 15 on the coil rack 16, when manufacturing, with enamelled wire (single) with automatic coil winding machine on coil rack 16, every motor totally 6 groups of stator coils 15, every group of 10 stator coils 15; Every group of coil that winds be enclosed within on the stator iron core tooth 10 get final product.Its characteristics are: stator core 9 is without rule, only with coiling, production efficiency height; Winding displacement is neat, does not have to intersect, and Inter-turn Short Circuit Phenomenon can not occur; Easy to make, be fit to automation coiling in enormous quantities, and the end is short, resistance is little, electric efficiency height (about 83%-90%).
Socket plastic packaging circle 17 on the described stator core 9, its manufacture craft is: will install the stator core 9 of coil, and bend into circular arc on special tooling, radius of circle is identical with stator core yoke 11 exradius in it; After 6 groups of stator iron core tooths 10 (belt coil) were curved circular arc, stator coil 15 wiring (when needing) in the frock of packing into were put into plastic package die then and are sealed whole with the BMC moulding compound, get final product; Its characteristics are: split iron core teeth 10 and iron core yoke 11 plastic packagings are structure as a whole, and not only mechanical strength height, and employing plastic package process has " protection against the tide ", " mildew-resistant ", " anti-dust " function.
Above-described embodiment, the present invention embodiment a kind of more preferably just, the common variation that those skilled in the art are done in the technical program scope and replacing all should be included in protection scope of the present invention.
Claims (7)
1. direct drive permanent magnet plastic package power generator for low-speed wind driven generator, comprise rotor, end cap, bearing, rubber seal and stator, it is characterized in that: rotor side surface is by screw interlocking end cap, the rotor axis place is by bearing socket stator one end, place, end cap axle center is by bearing socket stator, socket rubber seal between place, end cap axle center and the stator, rubber seal are arranged on the bearing outside; Described rotor inboard is provided with the magnet steel skeleton, on the two magnet steel skeletons some magnet steel is set evenly.
2. direct drive permanent magnet plastic package power generator for low-speed wind driven generator according to claim 1, it is characterized in that: magnet steel is staggered by the N-S utmost point, the polarity of adjacent two magnet steel is opposite, magnet steel adopts binding agent to be bonded on the magnet steel skeleton, described rotor adopts the magnet steel support, the magnet steel width is 0.6-0.8 with the ratio of pole span, and the rotor magnetic steel width is the 60%-80% of pole span.
3. direct drive permanent magnet plastic package power generator for low-speed wind driven generator according to claim 1, it is characterized in that: stator core is set on the stator, stator core is made up of iron core teeth and the mutual joggle of iron core yoke, stator iron core tooth and iron core yoke are for dividing body structure, iron core teeth is interior arc structure, the iron core yoke is the external arc structure, and radius of circle is identical with iron core yoke exradius in the iron core teeth.
4. direct drive permanent magnet plastic package power generator for low-speed wind driven generator according to claim 3, it is characterized in that: described iron core teeth is laminated by the automatic joggle of a plurality of stator punchings to be formed, notch is set on the stator punching, its manufacture craft is: stator punching subpunch notch, it is rectangular stator punching being cut out a piece of cloth in a way with the minimum material to make two or more articles of clothing punching out again, adopts automatic joggle to laminate into that curved again circle gets final product behind the stator core.
5. direct drive permanent magnet plastic package power generator for low-speed wind driven generator according to claim 3, it is characterized in that: the iron core yoke is laminated by the automatic joggle of a plurality of stator yoke punchings to be formed, its manufacture craft is: the stator yoke punching is continuously with rectangular straight line punching out, be rolled into circle through winding apparatus, joggle laminates into the stator core yoke automatically then.
6. direct drive permanent magnet plastic package power generator for low-speed wind driven generator according to claim 1, it is characterized in that: socket coil rack on the iron core teeth, twine stator coil on the coil rack, its manufacture craft is: with enamelled wire (single) with automatic coil winding machine on coil rack, every group of coil that winds be enclosed within on the stator iron core tooth get final product.
7. direct drive permanent magnet plastic package power generator for low-speed wind driven generator according to claim 6, it is characterized in that: socket plastic packaging circle on the stator core, its manufacture craft is: the stator core that will install coil is after bending into circular arc on the special tooling, stator coil wiring in the frock of packing into is put into plastic package die then and is sealed whole getting final product with the BMC moulding compound; Described split iron core teeth and iron core yoke plastic packaging are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101480594A CN101931278A (en) | 2009-06-24 | 2009-06-24 | Direct drive permanent magnet plastic package power generator for low-speed wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101480594A CN101931278A (en) | 2009-06-24 | 2009-06-24 | Direct drive permanent magnet plastic package power generator for low-speed wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101931278A true CN101931278A (en) | 2010-12-29 |
Family
ID=43370281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101480594A Pending CN101931278A (en) | 2009-06-24 | 2009-06-24 | Direct drive permanent magnet plastic package power generator for low-speed wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101931278A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751796A (en) * | 2011-04-18 | 2012-10-24 | 江苏省飞花灯饰制造有限公司 | Multipolar internal stator structure used in miniature wind driven generator, and manufacturing method thereof |
| CN103475153A (en) * | 2013-09-25 | 2013-12-25 | 于波 | Efficient water windmill generator |
| CN105846614A (en) * | 2016-05-13 | 2016-08-10 | 深圳市斯威普科技有限公司 | Waterproof electric motor manufacture method |
| CN110296260A (en) * | 2019-06-17 | 2019-10-01 | 广东格兰仕集团有限公司 | A kind of water softener solenoid valve and its installation method |
| CN113470969A (en) * | 2020-03-30 | 2021-10-01 | 特变电工沈阳变压器集团有限公司 | Coil winding device of three-dimensional wound core distribution transformer |
| CN114243981A (en) * | 2022-01-10 | 2022-03-25 | 卧龙电气驱动集团股份有限公司 | Permanent magnet outer rotor motor |
-
2009
- 2009-06-24 CN CN2009101480594A patent/CN101931278A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751796A (en) * | 2011-04-18 | 2012-10-24 | 江苏省飞花灯饰制造有限公司 | Multipolar internal stator structure used in miniature wind driven generator, and manufacturing method thereof |
| CN102751796B (en) * | 2011-04-18 | 2014-03-19 | 江苏省苏宁照明科技有限公司 | Manufacturing method of multipolar internal stator structure used in miniature wind driven generator |
| CN103475153A (en) * | 2013-09-25 | 2013-12-25 | 于波 | Efficient water windmill generator |
| CN105846614A (en) * | 2016-05-13 | 2016-08-10 | 深圳市斯威普科技有限公司 | Waterproof electric motor manufacture method |
| CN110296260A (en) * | 2019-06-17 | 2019-10-01 | 广东格兰仕集团有限公司 | A kind of water softener solenoid valve and its installation method |
| CN110296260B (en) * | 2019-06-17 | 2021-04-13 | 广东格兰仕集团有限公司 | Water softener electromagnetic valve and mounting method thereof |
| CN113470969A (en) * | 2020-03-30 | 2021-10-01 | 特变电工沈阳变压器集团有限公司 | Coil winding device of three-dimensional wound core distribution transformer |
| CN113470969B (en) * | 2020-03-30 | 2023-03-07 | 特变电工沈阳变压器集团有限公司 | Coil winding device of three-dimensional wound core distribution transformer |
| CN114243981A (en) * | 2022-01-10 | 2022-03-25 | 卧龙电气驱动集团股份有限公司 | Permanent magnet outer rotor motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101931278A (en) | Direct drive permanent magnet plastic package power generator for low-speed wind driven generator | |
| CN204012963U (en) | High-power density external rotor DC brushless motor | |
| CN202405896U (en) | Rotor core and high-efficiency variable-frequency speed regulation permanent magnet synchronous motor with same | |
| CN103887901A (en) | Efficient motor stator made of oriented silicon steel sheets | |
| CN201286053Y (en) | Permanent magnet synchronous motor and stator iron core | |
| CN202651909U (en) | Assembly-type stator iron core and DD motor applying stator | |
| CN103368292A (en) | Novel structure of rotor punching sheet of permanent magnet motor | |
| CN201113718Y (en) | Linear permanent-magnet generator for wind power generation | |
| CN202798175U (en) | Direct-drive permanent magnetic case-free wind turbine generator device | |
| CN205489867U (en) | Radial permanent magnetism self -starting electric motor rotor | |
| CN104362821A (en) | Multistage outer-rotor switched reluctance motor | |
| CN202424327U (en) | Stator core of novel shaded pole motor | |
| CN202094774U (en) | Direct-drive solid-rotor asynchronous wind power generator system with concentric dual stator structure | |
| CN109462298B (en) | Miniature low-voltage driving motor for electric automobile | |
| CN201846156U (en) | Rotor module of servo motor | |
| CN201994809U (en) | Permanent-magnet gearless wind-driven generator | |
| CN101359844A (en) | Permanent magnet wind power generator of combined stator structure | |
| CN101764490A (en) | Multi-disc type permanent magnet synchronous motor for hubs of electric car | |
| CN111181276A (en) | Permanent magnet motor capable of effectively recovering electric energy | |
| CN2833990Y (en) | Novel high-efficiency permanent magnetic DC motor | |
| CN204835731U (en) | Stator duplex winding electricity excitation aerogenerator | |
| CN203774892U (en) | High-efficiency motor stator manufactured with oriented silicon steel sheets | |
| CN201758314U (en) | Motor with multipolar wiring device | |
| CN201846160U (en) | Low energy-consumption multi-winding generator | |
| CN201536281U (en) | Wind power generation apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101229 |