CN201956761U - Linear cylinder type switched flux permanent magnet generator - Google Patents
Linear cylinder type switched flux permanent magnet generator Download PDFInfo
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- CN201956761U CN201956761U CN2010202529892U CN201020252989U CN201956761U CN 201956761 U CN201956761 U CN 201956761U CN 2010202529892 U CN2010202529892 U CN 2010202529892U CN 201020252989 U CN201020252989 U CN 201020252989U CN 201956761 U CN201956761 U CN 201956761U
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- permanent magnet
- mover
- iron core
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- shaped iron
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- 230000004907 flux Effects 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 125000006850 spacer group Chemical group 0.000 claims abstract 2
- 239000004020 conductor Substances 0.000 claims description 6
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 7
- 235000013351 cheese Nutrition 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- VQAPWLAUGBBGJI-UHFFFAOYSA-N [B].[Fe].[Rb] Chemical compound [B].[Fe].[Rb] VQAPWLAUGBBGJI-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
直线圆筒型开关磁通永磁发电机是一种结构简单、效率高、成本低的直线圆筒型永磁发电机。本实用新型可用于直接驱动的海浪发电装置和其他类型的直线发电系统中，不需要中间传动结构和装置。简化了发电系统。该发电机包括初级定子(2)的U型铁芯(2.1)、永磁体(2.2)、非导磁体间隔(2.3)、初级三相绕组(3)和次级的动子(1)；整个电机为圆筒型结构，U型铁芯(2.1)和永磁体(2.2)位于动子(1)的外部，初级三相绕组(3)嵌于U型铁芯(2.1)的线槽之内，动子(1)位于电机的中心，在动子(1)的外周为间隔相等距离的环形齿(1.1)和槽(1.2)；电机初级的U型铁芯(2.1)与次级的动子(1)之间留有气隙。
The linear cylindrical switched flux permanent magnet generator is a linear cylindrical permanent magnet generator with simple structure, high efficiency and low cost. The utility model can be used in direct-driven ocean wave power generation devices and other types of linear power generation systems without the need for intermediate transmission structures and devices. The power generation system is simplified. The generator includes a U-shaped iron core (2.1) of a primary stator (2), a permanent magnet (2.2), a non-magnetic spacer (2.3), a primary three-phase winding (3) and a secondary mover (1); the entire The motor has a cylindrical structure, the U-shaped iron core (2.1) and the permanent magnet (2.2) are located outside the mover (1), and the primary three-phase winding (3) is embedded in the slot of the U-shaped iron core (2.1) , the mover (1) is located at the center of the motor, and on the outer periphery of the mover (1) are ring teeth (1.1) and slots (1.2) at equal intervals; the primary U-shaped iron core (2.1) of the motor and the secondary mover There is an air gap between the sons (1).
Description
Technical field
This utility model relates to a kind of novel linear cylindrical switching magnetic flux permanent magnet generator, is mainly used in seawave power generation and rectilinear motion power field.
Background technology
Traditional energy coal, oil reduce day by day, and cause the global environment problem.The utilization of clear energy sources, regenerative resource obtains more concern.Wave in the marine energy can be a kind of clear energy sources, and earth surface is being contained a large amount of wave energy.The research of Wave energy extraction element has been carried out a lot of years.Ocean wave generator is as the Blast Furnace Top Gas Recovery Turbine Unit (TRT) that directly wave is converted into electric energy, and Chinese scholars and company carry out a lot of research.Used ocean wave generator mostly is the wave device of permanent magnet mechanism at present.Mainly contain by the intermediate conversion device and drive linear electric generator that electric rotating machine generates electricity and that directly drive.Rotary electrification needs a lot of conversion links, has reduced conversion efficiency.Present linear electric generator mostly is the mover permanent-magnetism linear motor.The processing technology of this linear electric generator one side mover structure and permanent magnet is comparatively complicated, there is the bigger permanent magnetism power of pausing in the linear electric generator of mover with permanent magnet on the other hand, the power of pausing permanent magnetism causes the distortion of generating waveform and the vibrations of mechanical structure, influences the power generation performance of generator.
Summary of the invention
Technical problem: the purpose of this utility model provides a kind of simple in structure, efficient is high, cost is low rectilinear cylindrical type permanent magnet generator.The present invention can be used in the linear generating system of direct Wave power generation device that drives and other types, drive mechanism and device in the middle of not needing.Simplified electricity generation system.
Technical scheme: rectilinear cylindrical switching magnetic flux permanent magnet generator of the present utility model comprises U sections core, permanent magnet, non-magnetizer interval, elementary three phase windings and the secondary mover of elementary stator; Whole motor is a cylinder type, and U sections core and permanent magnet are positioned at the outside of mover, and elementary three phase windings are embedded within the wire casing of U sections core, and mover is positioned at the center of motor, is the annular tooth and the groove of equidistance at interval in the periphery of mover; Leave air gap between the U sections core of elementary stator and the secondary mover.
Elementary employing cross section is the column structure of U sections core or E sections core, is permanent magnet or non-magnetizer interval between the adjacent two U sections cores, and U sections core or E sections core are formed by silicon steel plate packing,
Elementary three phase windings adopt the cheese winding construction.
Permanent magnet adopts rubidium iron boron, and its magnetizing direction employing closes on magnet and fills the mode of laying that magnetizes on the contrary.
Secondary mover structure is the magnetic conductor of cylindricality teeth groove structure, adopt the secondary of steel or be mixed with magnetic conductivity alloy preferably, elementary every phase winding takies two winding slots, winding adopts series system in two winding slots, every mutually elementary have 4 and secondary corresponding annular tooth, the width of its tooth is identical with secondary facewidth degree, or does not wait slightly.
Beneficial effect: the beneficial effects of the utility model are as follows;
1, directly connect driving, drive mechanism in the middle of need not reduces the intermediate mechanical loss, improves generating efficiency.
2, adopt the cylinder type design, cancel out each other around the mutual attraction between the primary and secondary of circumference, make generator not have radially suction.The limit end effect of electric rotating machine and the existence of generic linear motor has been eliminated in the cylinder type design, has increased electric efficiency.
3, elementary teeth groove and secondary teeth groove adopt optimal design, have reduced the permanent magnetism power of pausing, and have eliminated harmonic wave, have improved the generating quality of power supply.
4, permanent magnet and winding be placed in elementary on, help heat radiation and cooling, improve generating efficiency.Laying and processing of permanent magnet is simple.
5, secondary is single magnetic conductor teeth groove structure, simple in structure, reliable, low processing cost.The teeth groove spacing is linear with the generating frequency, can require the arbitrarily secondary gullet distance of design according to generating, improves power generation performance.
Description of drawings
Fig. 1 is the structural scheme of mechanism of the permanent magnet generator of employing " U " type structure.
Fig. 2 is a cheese winding schematic diagram.
Fig. 3 a is that A generates electricity mutually when position 1, and the permanent magnet main flux is mainly by elementary 1 tooth and 3 teeth and corresponding secondary tooth; Fig. 3 b is that A generates electricity mutually when moving to position 2, and the permanent magnet main flux changes into main by elementary 2 teeth and 4 teeth and corresponding secondary tooth.
Fig. 4 is for adopting the elementary electric power generation voltage waveform of " U " type.
Fig. 5 adopts the elementary longitdinal cross-section diagram of " E " type.The middle elementary employing of " U " type " E " type primary structure replaces, and the limit end still is that " U " type is elementary.Wherein the magnetizing direction of permanent magnet is the direction of permanent magnet pole N, S mark among the figure.
Embodiment
The novel linear cylindrical switching magnetic flux permanent magnet generator that proposes of the present utility model comprises elementary iron core, permanent magnet, secondary mover and air gap.Whole motor is a cylinder type, and elementary iron core and permanent magnet are positioned at the outside, and elementary three phase windings are embedded within the wire casing of elementary iron core, and secondary mover is positioned at the center of motor, air gap electric motor primary and secondary between (as shown in Figure 1).The column structure of elementary employing " U " sections core (as Fig. 1) or " E " sections core (as Fig. 5), iron core can be formed by silicon steel plate packing.Elementary winding adopts cheese winding construction (as Fig. 2).Permanent magnet is adopted rubidium iron boron, and its magnetizing direction employing closes on magnet axial magnetizes, and the opposite mode of laying of direction.Secondary structure is the magnetic conductor of cylindricality teeth groove structure, can adopt the secondary of steel or be mixed with magnetic conductivity alloy preferably.Elementary every phase winding takies two grooves, every mutually elementary have 4 with secondary relative annular tooth, the width of its tooth is identical with secondary facewidth degree.Secondary nearest two interdental spaces i.e. distance are T.For reducing the permanent magnetism power of pausing, satisfy three-phase generation and differ 120 °, distance between phase and phase be (N ± 1/3) * T, N is an integer, according to design size with require definite.For every 4 teeth under mutually elementary, the distance of closing on tooth is (M ± 1/2) * T, and M is an integer, according to design size with require to determine.
When working as ocean wave generator, primary fixed, secondary mover links to each other with buoy, spurs the relative motion of secondary and elementary generation thereby wave promotes buoy.
Concerning a phase, elementary with secondary motion causes each elementary tooth and secondary corresponding situation to change, and the magnetic resistance of each elementary tooth changes, thereby the magnetic flux change in every phase winding realizes electricity generate function.Concrete electricity generating principle is A phase winding electricity generating principle among the figure as shown in Figure 3.In the drawings during position 1, the permanent magnet main flux is mainly by elementary a tooth and c tooth and corresponding secondary tooth, when moving to position 2, the permanent magnet main flux changes into main by elementary b tooth and d tooth and corresponding secondary tooth, so just in A1 and A2 winding, form the magnetic flux of alternation at permanent magnet, thereby in winding, produce electromotive force, realize generating.
Have similar structure because different primary and secondaries are arranged the rectilinear cylindrical type biconvex permanent magnet generator of size, the enforcement elementary and that " E " type is elementary of " U " type is approximate substantially.Below be example just with the permanent magnet generator of " U " type structure shown in Figure 1, set forth electric machine structure of the present invention.
With reference to Fig. 1, this generator comprises U sections core 2.1, permanent magnet 2.2, non-magnetizer interval 2.3, elementary three phase windings 3 and the secondary mover 1 of elementary stator 2; Whole motor is a cylinder type, U sections core 2.1 and permanent magnet 2.2 are positioned at the outside of mover 1, elementary three phase windings 3 are embedded within the wire casing of U sections core 2.1, and mover 1 is positioned at the center of motor, are the annular tooth 1.1 and the groove 1.2 of equidistance at interval in the periphery of mover 1; Leave air gap between the U sections core 2.1 of electric motor primary and the secondary mover 1.
For elementary stator mainly comprise " U " type structure magnetic conductor 2.1 of being used for laying winding and magnetic conduction, according to Fig. 1 permanent magnetism N, S indicate direction towards the permanent magnet 2.2 of magnetic, be used to separate two alternate non-magnet materials 2.3.The outside that casing is positioned at elementary stator is used for fixing elementary and permanent magnet, and plays sealing function.Secondary is that the structure of septum interalveolare is made up of tooth 1.1 and groove 1.2, and the facewidth equates that with the elementary facewidth distance of secondary two between cog is a pole span, and the big I of pole span is decided according to the design needs.Elementary in the drawings two distances of closing on tooth are 1.5 pole spans.A and B are mutually, B and the C distance between mutually is (5+1/3) individual pole span.The distance that specific design satisfies between phase and phase gets final product with the condition of the distance of closing on tooth for (M ± 1/2) * T for (N ± 1/3) * T.Winding is the cheese winding, same following mutually two windings in series, and decide with designing requirement in the number of turn of coil and line footpath.Unloaded generating waveform as shown in Figure 4.
Linear permanent-magnet generator principle described in the utility model can manufacture flat monolateral or bilateral and polygon linear permanent-magnet generator equally.According to the principle of reversibility of generator and motor, the same may command of linear permanent-magnet generator described in the utility model is operated in electric motor state.
Elementary U sections core 2.1 is that the cross section is the column structure of U type or E type, alternate permanent magnet 2.2 and the non-magnetizer interval 2.3 of being provided with between the adjacent two U sections cores, U sections core 2.1 or E sections core are formed by silicon steel plate packing, and elementary three phase windings 3 adopt the cheese winding construction.Permanent magnet 2.2 adopts rubidium iron boron, and its magnetizing direction employing closes on magnet and fills the mode of laying that magnetizes on the contrary.
Secondary mover structure is the magnetic conductor of cylindricality teeth groove structure, adopts the secondary of steel or is mixed with magnetic conductivity alloy preferably; Elementary every phase winding takies two winding slots, and winding adopts series system in two winding slots, every mutually elementary have 4 and secondary corresponding annular tooth, and the width of its tooth is identical with secondary facewidth degree, or does not wait slightly.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202529892U CN201956761U (en) | 2010-07-08 | 2010-07-08 | Linear cylinder type switched flux permanent magnet generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202529892U CN201956761U (en) | 2010-07-08 | 2010-07-08 | Linear cylinder type switched flux permanent magnet generator |
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| Publication Number | Publication Date |
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| CN201956761U true CN201956761U (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202529892U Expired - Fee Related CN201956761U (en) | 2010-07-08 | 2010-07-08 | Linear cylinder type switched flux permanent magnet generator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411733A (en) * | 2013-07-30 | 2013-11-27 | 西安交通大学 | High-speed main shaft electromagnetic type field dynamic balancing device and method |
| CN105141049A (en) * | 2015-10-22 | 2015-12-09 | 山东大学 | Single-winding low-cost high-power density permanent magnet linear generator |
| CN105141050A (en) * | 2015-10-22 | 2015-12-09 | 山东大学 | Ring yoke armature winding high power density hybrid excitation permanent magnet linear generator |
| CN105186734A (en) * | 2015-10-22 | 2015-12-23 | 山东大学 | Low-cost permanent magnet linear generator with single concentrated winding and high power density |
| CN108494218A (en) * | 2018-02-09 | 2018-09-04 | 黄淮学院 | A kind of bilateral internal type V permanent magnet linear generator, seabed formula wave energy generating set and control method |
-
2010
- 2010-07-08 CN CN2010202529892U patent/CN201956761U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411733A (en) * | 2013-07-30 | 2013-11-27 | 西安交通大学 | High-speed main shaft electromagnetic type field dynamic balancing device and method |
| CN103411733B (en) * | 2013-07-30 | 2015-12-02 | 西安交通大学 | A kind of high-speed main shaft electromagnetic type spot dynamic balance device and method |
| CN105141049A (en) * | 2015-10-22 | 2015-12-09 | 山东大学 | Single-winding low-cost high-power density permanent magnet linear generator |
| CN105141050A (en) * | 2015-10-22 | 2015-12-09 | 山东大学 | Ring yoke armature winding high power density hybrid excitation permanent magnet linear generator |
| CN105186734A (en) * | 2015-10-22 | 2015-12-23 | 山东大学 | Low-cost permanent magnet linear generator with single concentrated winding and high power density |
| CN108494218A (en) * | 2018-02-09 | 2018-09-04 | 黄淮学院 | A kind of bilateral internal type V permanent magnet linear generator, seabed formula wave energy generating set and control method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20130708 |