CN102214960A - Permanent-magnet overlapped coreless high-efficiency motor - Google Patents
Permanent-magnet overlapped coreless high-efficiency motor Download PDFInfo
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- CN102214960A CN102214960A CN2010101387992A CN201010138799A CN102214960A CN 102214960 A CN102214960 A CN 102214960A CN 2010101387992 A CN2010101387992 A CN 2010101387992A CN 201010138799 A CN201010138799 A CN 201010138799A CN 102214960 A CN102214960 A CN 102214960A
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Abstract
The invention discloses a permanent-magnet overlapped coreless high-efficiency motor and belongs to the technical field of clean energy wind power generation equipment and energy-saving motors. The permanent-magnet overlapped coreless high-efficiency motor is characterized in that: the peripheries of a rear end cover and a front end cover are fixed by screws to form an external rotor; one or more groups of permanent magnets are respectively arranged inside the rear end cover and the front end cover; a stator winding is arranged between the two groups of opposite permanent magnets; a central opening is fixed with a main shaft; the main shaft is supported by bearings or magnetic bearings in the front and rear end covers; and a lead passes through a pipeline in the main shaft and is connected with the winding. The defect that a wind power generator is difficult to rotate and start in the breeze due to the attraction resistance of a permanent magnet field between rotors and stators of the permanent magnets is overcome, and the permanent-magnet overlapped coreless high-efficiency motor is compatible and matched with a singlechip system in a controller, is applicable to mass production on a production line and is a high-quality direct current motor which is low in copper consumption, coreless, small in size, light in weight, few in parts, low in cost, energy-saving and high in efficiency.
Description
Technical field
The present invention relates to a kind of permanent-magnet superposing type does not have the high effect motor of iron core, belongs to the clean energy technology field, particularly a kind of high efficiency generating equipment that is applicable to the household wind generating.
Background technology
Traditional permanent magnet motor or permanent magnet generator, mainly by: one is equipped with the rotor of permanent magnet and the silicon steel sheet stator of an armouring coil is formed, owing to be subjected to the limitation of silicon steel sheet magnetic flux, volume is big, quality heavy, high, the inefficient defective of cost so exist, and obviously can not satisfy the requirement of wind power generation and electrical machine energy-saving; Also have a kind of disc-type permanent magnet motor, permanent magnet is arranged on the axial plane of external rotor, is subjected to the long-pending restriction in circular section, when making more powerful multipole slowspeed machine, root diameter can only enlarge, its major diameter, the defective of flat volume has restricted the scope of application of disc-type permanent magnet motor.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, by the following technical solutions:
A kind of permanent-magnet superposing type does not have the high effect motor of iron core, feature is: rear end cap 1 is fixed by screw with the periphery of front end housing 3, the inboard is provided with one group of permanent magnet 2 or 201 separately, stator 6 is arranged on the centre of above-mentioned two groups of permanent magnets of facing mutually, center drilling and main shaft 5 are fixing, and main shaft supports by bearing in the forward and backward end cap or magnetic bearing 4, and the pipeline that lead 9 passes in the main shaft is connected with winding 7, wherein, be provided with air gap 8 between permanent magnet and the winding 7.
A kind of permanent-magnet superposing type does not have the high effect motor of iron core, feature is: the inboard of rear end cap 1 is provided with two groups of permanent magnets 2 and one group of permanent magnet 201, one group of permanent magnet 201 is set in the front end housing 3, the periphery of two end cap is fixed by screw, stator 601 is arranged on the centre of above-mentioned four groups of permanent magnets facing mutually, center drilling and main shaft 5 are fixing, main shaft supports by bearing in the forward and backward end cap or magnetic bearing 4, the pipeline that lead 9 passes in the main shaft is connected with two windings 7 respectively, wherein, be provided with air gap 8 between permanent magnet and the winding 7.
Described rear end cap 1, front end housing 3 are made of metal, the end cap inboard is respectively equipped with the annular tappet that can install one group, two groups or three groups permanent magnet, the two end cap periphery is fixed by screw, main shaft 5 supports by bearing in the forward and backward end cap or magnetic bearing 4, constitute external rotor, wherein, diametric plane is provided with the silk mouth that air feed fax dynamic component connects in the end cap tappet outside of device bearing, during perhaps as automobile-used DC power saving motor, can be provided with for the disjunctor steel ring set that tire is installed at the peripheral diametric plane of end cap housing.
Described permanent magnet 2,201 Wei Nd iron boron, SmCo or Al-Ni-Co permanent magnet material, some or sheet permanent magnet constitute one group, the polarity of the magnetic field of every or every permanent magnet: press S-N-S-N ... the order circular arrangement of S; Or press S-N-magnetic inductive block-N-S-magnetic inductive block-S-N-magnetic inductive block-N-S ... the order circular arrangement of S is provided with a magnetic inductive block or magnetic conduction sheet in the middle of per two permanent magnets or the permanent magnetism sheet, to save the use amount of permanent magnets, increase the benefit.
Described stator winding 7, be arranged on the centre of the permanent magnet that permanent magnet 2,201 faces mutually, the every pair of polarity of the magnetic field makes up by the mode of S-N, and the magnetic line of force of permanent magnet 2 is by iron-less core coil winding 7 and permanent magnet 201 couplings, the magnetic field superposition of permanent magnet is strengthened, produce the output function of high effect.
Described bearing 4 also can be set to magnetic bearing, to alleviate mechanical friction, reduces noise, improves the rotation dynamics.
Described main shaft 5 is made by round steel, stainless steel tube or seamless steel pipe, the endoporus pipeline passes through or ventilation and heat for lead 9, the main shaft external diameter is provided with can be for bearing or magnetic bearing 4, stator 6 or 601 fixing protruding retaining backers, with the location of above-mentioned each parts of accurate control and the size of air gap 8.
Described stator 6 is the bowl-type housing, make by no magnetic material, along the circumferential direction evenly offer straight trough or skewed slot on the circle bowl body for armouring winding 7, perhaps for can supply some the housings that magazine is uniformly arranged and fixed along inside and outside circumferencial direction respectively, evenly distribute in the area of a circle of disc holder and offer several lightening holes, the carriage center position is provided with the circular hole of belt wheel hub, and main shaft is fixed by key pin, back-up ring or clamp nut by circular hole.
Described stator 601 is the double-bell housing, its section is the disc of I-shaped shape, make by no magnetic material, straight trough or the skewed slot for armouring winding 7 along the circumferential direction evenly offered at two ends separately, perhaps be to supply some magazines evenly distributed, the fixing housing of inside and outside circumferencial direction along two ends respectively, evenly distribute in the area of a circle of disc holder and offer several lightening holes that the carriage center position is provided with the circular hole of belt wheel hub, main shaft is fixed by key pin, back-up ring or clamp nut by circular hole.
Described winding 7 is an iron-less core coil, in along the circumferential direction vertically evenly distributed, that down is contained in the stator straight trough or skewed slot, perhaps, make independent magazine, on some frameworks that are wound with coil are along the circumferential direction laterally evenly distributed respectively, as to be arranged on stator 6 or the 601 inside and outside area of a circle by no magnetic material, by fixing to cotter pin or alignment pin 10, the coil value is 3a, and a＞6 wherein are by lead series, parallel or compound connection, constitute the stator winding of 3 phases or 3n phase, wherein n＞1.
In the described stator 6 or 601 transducer can be set, be made up of photo resistance, thermistor or Hall element, holding wire is drawn with lead 9 by the pipeline in the housing, purchases to be connected use with controller.
Beneficial effect: permanent-magnet superposing type does not have the high effect motor of iron core compared with prior art, save copper material, without silicon steel sheet, reduced volume, heavy and the cost of reduction amount, increased substantially the power output of motor, owing to use iron-less core coil, overcome between permanent magnet rotor and the stator because the wind-driven generator that the magnetic field suction resistance causes is difficult to the defective of rotating and starting in gentle breeze, and the design of two stator winding, can be complementary with the Single Chip Microcomputer (SCM) system in the controller, can promote the real current situation of wind wheel according to wind energy, automatically adjust, the various operating states of control wind-driven generator, to adapt to air-flow in the fast changing characteristics of motion of nature, be difficult to start when overcoming the ubiquitous low wind speed of present wind-driven generator and high wind speed in the output voltage instability, benefit is low, it is big to take up an area of the space, problems such as noise is big, greatly improved power benefit, guarantee security of operation, had outstanding substantive distinguishing features and obvious improvement.
Description of drawings
1. 1 kinds of permanent-magnet superposing types of accompanying drawing do not have the structure cross-sectional schematic of the high effect motor of iron core.
2. 1 kinds of enhanced permanent-magnetic superimposed types of accompanying drawing do not have the structure cross-sectional schematic of the high effect motor of iron core.
The cross-sectional schematic that 3. 1 kinds of iron-less core coil windings of accompanying drawing are vertically arranged in stator.
4. 1 kinds of iron-less core coil windings of accompanying drawing transversely arranged cross-sectional schematic in stator.
Embodiment
In the accompanying drawing: 1. rear end cap, 2,201. permanent magnets, 3. front end housing, 4. bearing or magnetic bearing, 5. main shaft, 6,601. stators, 7. winding, 8. air gap, 9. lead, 10. alignment pin or screw.
Following examples do not constitute any restriction to protection range of the present invention.
Embodiment: accompanying drawing 1, a kind of permanent-magnet superposing type do not have the structure cross-sectional schematic of the high effect motor of iron core.
Among the figure: rear end cap 1 becomes the bowl-type hull shape by metal material processing, periphery by screw and front end housing 3 is fixed, the inboard is provided with one group of permanent magnet 2 or 201 separately, stator 6 is made by aluminium alloy or bakelite, be arranged on the centre of above-mentioned two groups of permanent magnets of facing mutually, center drilling and main shaft 5 are fixing, before main shaft passes through, bearing 4 in the rear end cap supports, constitute external rotor, winding 7 is an iron-less core coil, along the circumferential direction vertically evenly distributed, down is contained in the straight trough or skewed slot of stator, the pipeline that lead 9 passes in the main shaft is connected with winding 7, wherein, be provided with air gap 8 between permanent magnet and the winding 7, as preferably, air gap is chosen in 0.2～2mm scope, and main shaft is that round steel is made.
Embodiment: accompanying drawing 2, a kind of enhanced permanent-magnetic superimposed type does not have the structure cross-sectional schematic of the high effect motor of iron core.
Among the figure: the inboard of rear end cap 1 is provided with two groups of permanent magnets 2 and one group of permanent magnet 201, one group of permanent magnet 201 is set in the front end housing 3, the periphery of two end cap is fixed by screw, stator 601 is the double-bell housing, make by no magnetic material, the framework that is wound with coil along the circumferential direction is uniformly arranged and fixed respectively in the stator case of two ends, on the outer circumference surface, connect by lead, be arranged to two windings 7, in the area of a circle of disc holder, evenly distribute and offer several lightening holes, the carriage center position is provided with the circular hole of belt wheel hub, main shaft 5 is by circular hole, by key pin, back-up ring or clamp nut are fixed, by preceding, bearing 4 in the rear end cap supports, the pipeline that lead 9 passes in the main shaft is connected with two windings 7 respectively, wherein, be provided with air gap 8 between permanent magnet and the winding 7, as preferably, air gap is chosen in 0.2～2mm scope, and main shaft is that round steel or stainless steel tube are made.
Embodiment: the cross-sectional schematic that accompanying drawing 3, a kind of iron-less core coil winding are vertically arranged in stator.Section has shown iron-less core coil winding vertical aligning part in stator among the figure, and stator 6 be the sectional plane of bowl-type housing, even armouring winding 7 in along the circumferential direction the wire casing on the circle bowl housing that no magnetic material is made.
Embodiment: accompanying drawing 4, a kind of iron-less core coil winding transversely arranged cross-sectional schematic in stator.Section has shown that iron-less core coil winding transversely arranged part in stator is looked and has shown among the figure, stator is the sectional plane of bowl-type housing, on along the circumferential direction laterally evenly distributed by some frameworks that are wound with coil, as the to be arranged on stator inside and outside area of a circle, by fixing, constitute winding 7 to cotter pin or alignment pin 10.
According to the foregoing description and structural principle, a certain part is in addition attempted to change a little or reduce and the identical product made by some clever manufacturer, also belongs to the example of protection category of the present invention.
Claims (10)
1. a permanent-magnet superposing type does not have the high effect motor of iron core, feature is: rear end cap (1) is fixed by screw with the periphery of front end housing (3), the inboard is provided with one group of permanent magnet (2) or (201) separately, stator (6) is arranged on the centre of above-mentioned two groups of permanent magnets of facing mutually, center drilling and main shaft (5) are fixing, main shaft supports by bearing in the forward and backward end cap or magnetic bearing (4), the pipeline that lead (9) passes in the main shaft is connected with winding (7), wherein, be provided with air gap (8) between permanent magnet and the winding (7).
2. a permanent-magnet superposing type does not have the high effect motor of iron core, feature is: the inboard of rear end cap (1) is provided with two groups of permanent magnets (2) and one group of permanent magnet (201), one group of permanent magnet (201) is set in the front end housing (3), the periphery of two end cap is fixed by screw, stator (601) is arranged on the centre of above-mentioned four groups of permanent magnets facing mutually, center drilling and main shaft (5) are fixing, before main shaft passes through, bearing in the rear end cap or magnetic bearing (4) support, the pipeline that lead (9) passes in the main shaft is connected with two windings (7) respectively, wherein, be provided with air gap (8) between permanent magnet and the winding (7).
3. permanent-magnet superposing type according to claim 1 and 2 does not have the high effect motor of iron core, feature is: described rear end cap (1), front end housing (3) are made of metal, the end cap inboard is respectively equipped with the annular tappet that can install one group, two groups or three groups permanent magnet, the two end cap periphery is fixed by screw, main shaft (5) supports by bearing in the forward and backward end cap or magnetic bearing (4), constitute external rotor, wherein, the end cap tappet outside diametric plane of device bearing is provided with the silk mouth that air feed fax dynamic component connects, and perhaps in the end cap housing periphery disjunctor steel ring set is set.
4. permanent-magnet superposing type according to claim 1 and 2 does not have the high effect motor of iron core, feature is: described permanent magnet (2), (201) Wei Nd iron boron, SmCo or Al-Ni-Co permanent magnet material, some or sheet permanent magnet constitute one group, the polarity of the magnetic field of every permanent magnet: press S-N-S-N ... the order circular arrangement of S; Or press S-N-magnetic inductive block-N-S-magnetic inductive block-S-N-magnetic inductive block-N-S ... the order circular arrangement of S is provided with a magnetic inductive block in the middle of per two permanent magnets.
5. permanent-magnet superposing type according to claim 1 and 2 does not have the high effect motor of iron core, feature is: stator winding (7), be arranged in the middle of the permanent magnet that permanent magnet (2), (201) face mutually, the every pair of polarity of the magnetic field makes up by the mode of S-N, the magnetic line of force of permanent magnet (2) strengthens the magnetic field superposition of permanent magnet by iron-less core coil winding (7) and permanent magnet (201) coupling.
6. permanent-magnet superposing type according to claim 1 and 2 does not have the high effect motor of iron core, feature is: described main shaft (5) is made by round steel, stainless steel tube or seamless steel pipe, the endoporus pipeline passes through or ventilation and heat for lead (9), the main shaft external diameter is provided with can be for bearing or magnetic bearing (4), stator (6) or (601) fixing protruding retaining backer, with the location of above-mentioned each parts of accurate control and the size of air gap (8).
7. permanent-magnet superposing type according to claim 1 does not have the high effect motor of iron core, feature is: described stator (6) is the bowl-type housing, make by no magnetic material, along the circumferential direction evenly offer straight trough or skewed slot on the circle bowl body for armouring winding (7), perhaps for can supply some the housings that magazine is uniformly arranged and fixed along inside and outside circumferencial direction respectively, evenly distribute in the area of a circle of disc holder and offer several lightening holes, the carriage center position is provided with the circular hole of belt wheel hub, main shaft is fixed by key pin, back-up ring or clamp nut by circular hole.
8. permanent-magnet superposing type according to claim 2 does not have the high effect motor of iron core, feature is: described stator (601) is the double-bell housing, its section is the disc of I-shaped shape, make by no magnetic material, straight trough or the skewed slot for armouring winding (7) along the circumferential direction evenly offered at two ends separately, perhaps be can be for some magazines respectively along in the two ends, the excircle direction is evenly distributed, fixing housing, evenly distribute in the area of a circle of disc holder and offer several lightening holes, the carriage center position is provided with the circular hole of belt wheel hub, main shaft is by circular hole, by key pin, back-up ring or clamp nut are fixed.
9. permanent-magnet superposing type according to claim 1 and 2 does not have the high effect motor of iron core, feature is: described winding (7) is an iron-less core coil, along the circumferential direction vertically evenly distributed, down is contained in the straight trough or skewed slot of stator, perhaps, make independent magazine by no magnetic material, the framework that is wound with coil is along the circumferential direction laterally evenly distributed respectively, be arranged on stator in, on the cylindrical area, fixing by screw or alignment pin (10), the coil value is 3a, a＞6 wherein, connect by lead, in parallel or compound connection, the stator winding of formation 3 phases or 3n phase, wherein n＞1.
10. permanent-magnet superposing type according to claim 1 and 2 does not have the high effect motor of iron core, feature is: in described stator (6) or (601) transducer can be set, form by photo resistance, thermistor or Hall element, holding wire is drawn with lead (9) by the pipeline in the main shaft, purchases with controller to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101387992A CN102214960A (en) | 2010-04-06 | 2010-04-06 | Permanent-magnet overlapped coreless high-efficiency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101387992A CN102214960A (en) | 2010-04-06 | 2010-04-06 | Permanent-magnet overlapped coreless high-efficiency motor |
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| Publication Number | Publication Date |
|---|---|
| CN102214960A true CN102214960A (en) | 2011-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101387992A Pending CN102214960A (en) | 2010-04-06 | 2010-04-06 | Permanent-magnet overlapped coreless high-efficiency motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230216A (en) * | 2016-10-08 | 2016-12-14 | 青岛敏深风电科技有限公司 | A kind of electric automobile and iron-core-free thereof directly drive wheel hub motor |
| CN109687635A (en) * | 2012-04-03 | 2019-04-26 | 波音公司 | Nested-rotor open-core flywheel |
| CN115370538A (en) * | 2021-05-17 | 2022-11-22 | 陆继荣 | Double-magnetic-circuit coreless double-blade wind driven generator |
-
2010
- 2010-04-06 CN CN2010101387992A patent/CN102214960A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687635A (en) * | 2012-04-03 | 2019-04-26 | 波音公司 | Nested-rotor open-core flywheel |
| CN109687635B (en) * | 2012-04-03 | 2021-11-02 | 波音公司 | Nested rotor coreless flywheel |
| CN106230216A (en) * | 2016-10-08 | 2016-12-14 | 青岛敏深风电科技有限公司 | A kind of electric automobile and iron-core-free thereof directly drive wheel hub motor |
| CN115370538A (en) * | 2021-05-17 | 2022-11-22 | 陆继荣 | Double-magnetic-circuit coreless double-blade wind driven generator |
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Application publication date: 20111012 |