CN101882819A - Rectilinear cylindrical switching magnetic flux permanent magnet generator - Google Patents
Rectilinear cylindrical switching magnetic flux permanent magnet generator Download PDFInfo
- Publication number
- CN101882819A CN101882819A CN 201010222409 CN201010222409A CN101882819A CN 101882819 A CN101882819 A CN 101882819A CN 201010222409 CN201010222409 CN 201010222409 CN 201010222409 A CN201010222409 A CN 201010222409A CN 101882819 A CN101882819 A CN 101882819A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- elementary
- magnetic flux
- mover
- winding
- 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
Abstract
The invention discloses a rectilinear cylindrical switching magnetic flux permanent magnet generator, which is a rectilinear cylindrical permanent magnet generator with simple structure, high efficiency and low cost. The generator can be used in a directly driven ocean wave generating device and a rectilinear generating system of other types, does not need an intermediate transmission structure and an intermediate transmission device, and simplifies a generating system. The generator comprises a U-shaped iron core (2.1) of a primary stator (2), a permanent magnet (2.2), a non-magnetizer spacer (2.3), a primary three-phase winding (3) and a secondary rotor (1); the whole motor has a cylindrical structure, the U-shaped iron core (2.1) and the permanent magnet (2.2) are positioned outside the rotor (1), the primary three-phase winding (3) is embedded into a slot of the U-shaped iron core (2.1), the rotor (1) is positioned in the center of the motor, and annular teeth (1.1) and grooves (1.2) spaced in equal distance are arranged on the periphery of the rotor (1); and an air gap is reserved between the primary U-shaped iron core (2.1) and the secondary rotor (1) of the motor.
Description
Technical field
This invention 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 invention is to provide 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 invention comprises the elementary U sections heart, permanent magnet, non-magnetizer interval, secondary mover and elementary three phase windings; Whole motor is a cylinder type, elementary the U sections heart and permanent magnet are positioned at the outside, elementary three phase windings are embedded within the wire casing of the elementary U sections heart, and secondary mover is positioned at the center of motor, are the annular tooth and the groove of equidistance at interval in the periphery of secondary mover; Electric motor primary and secondary between leave air gap.
Elementary employing cross section is the column structure of the U sections heart or E core, is permanent magnet or non-magnetizer interval between the adjacent two U sections hearts, and the U sections heart or E 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 steel secondary 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: beneficial effect of the present invention is 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 invention 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 " the sections heart (as Fig. 1) or " E " sections heart (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 steel secondary 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 the U sections heart 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, the U sections heart 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 the U sections heart 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 heart 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 of the present invention 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 of the present invention is operated in electric motor state.
The elementary U sections heart 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 hearts, the U sections heart 2.1 or E 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 steel secondary or be 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 (5)
1. a rectilinear cylindrical switching magnetic flux permanent magnet generator is characterized in that this generator comprises the U sections heart (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, the U sections heart (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 the U sections heart (2.1), mover (1) is positioned at the center of motor, is 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 heart (2.1) of electric motor primary and the secondary mover (1).
2. rectilinear cylindrical switching magnetic flux permanent magnet generator according to claim 1, it is characterized in that the elementary U sections heart (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 hearts, the U sections heart (2.1) or E core are formed by silicon steel plate packing.
3. rectilinear cylindrical switching magnetic flux permanent magnet generator according to claim 1 is characterized in that elementary three phase windings (3) adopt the cheese winding construction.
4. rectilinear cylindrical switching magnetic flux permanent magnet generator according to claim 1 is characterized in that 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.
5. rectilinear cylindrical switching magnetic flux permanent magnet generator according to claim 1 is characterized in that secondary mover structure is the magnetic conductor of cylindricality teeth groove structure, adopts steel secondary or be 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010222409 CN101882819A (en) | 2010-07-08 | 2010-07-08 | Rectilinear cylindrical switching magnetic flux permanent magnet generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010222409 CN101882819A (en) | 2010-07-08 | 2010-07-08 | Rectilinear cylindrical switching magnetic flux permanent magnet generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101882819A true CN101882819A (en) | 2010-11-10 |
Family
ID=43054750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010222409 Pending CN101882819A (en) | 2010-07-08 | 2010-07-08 | Rectilinear cylindrical switching magnetic flux permanent magnet generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101882819A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938603A (en) * | 2012-11-26 | 2013-02-20 | 江苏大学 | Cylindrical permanent-magnet linear motor with modular C-shaped stator cores |
| 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 |
| WO2017080010A1 (en) * | 2015-11-09 | 2017-05-18 | 中国矿业大学 | Method for estimating position of electromechanical energy conversion double-sided switched reluctance linear electric motor rotor |
| WO2018018671A1 (en) * | 2016-07-26 | 2018-02-01 | 江苏大学 | Fault-tolerant permanent-magnet vernier cylindrical electric motor with electromagnetic suspension and fault-tolerant vector control method for short circuit of two adjacent phases |
| CN110033575A (en) * | 2019-01-25 | 2019-07-19 | 河南理工大学 | A kind of self-generating wireless doorbell |
| CN110098708A (en) * | 2019-05-20 | 2019-08-06 | 南京航空航天大学 | A kind of durface mounted permanent magnet synchronous motor of stator-sectional |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000262037A (en) * | 1999-03-09 | 2000-09-22 | Toyota Autom Loom Works Ltd | Switched reluctance linear motor |
| US20060152091A1 (en) * | 2005-01-13 | 2006-07-13 | Hamilton Sundstrand Corporation | Transistor matrix switched reluctance variable speed motor drive |
| CN101106316A (en) * | 2007-04-27 | 2008-01-16 | 东南大学 | Linear generator for surf power generation |
| KR100873660B1 (en) * | 2007-07-03 | 2008-12-12 | 한국기계연구원 | Magnetic levitation train system with linear switched reluctance motor on the side |
| CN101355284A (en) * | 2008-05-30 | 2009-01-28 | 西安交通大学 | Wave straightly-drive type straight-line magneto resistance power generation system |
| CN101355289A (en) * | 2008-09-09 | 2009-01-28 | 浙江大学 | Modularization error-tolerance type permanent magnet switch magnetic linkage straight line motor |
| CN101527472A (en) * | 2008-03-05 | 2009-09-09 | 黄世章 | Linear motor driven by rotary magnetic fields |
| CN101567613A (en) * | 2009-01-22 | 2009-10-28 | 东南大学 | Linear permanent-magnet generator |
-
2010
- 2010-07-08 CN CN 201010222409 patent/CN101882819A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000262037A (en) * | 1999-03-09 | 2000-09-22 | Toyota Autom Loom Works Ltd | Switched reluctance linear motor |
| US20060152091A1 (en) * | 2005-01-13 | 2006-07-13 | Hamilton Sundstrand Corporation | Transistor matrix switched reluctance variable speed motor drive |
| CN101106316A (en) * | 2007-04-27 | 2008-01-16 | 东南大学 | Linear generator for surf power generation |
| KR100873660B1 (en) * | 2007-07-03 | 2008-12-12 | 한국기계연구원 | Magnetic levitation train system with linear switched reluctance motor on the side |
| CN101527472A (en) * | 2008-03-05 | 2009-09-09 | 黄世章 | Linear motor driven by rotary magnetic fields |
| CN101355284A (en) * | 2008-05-30 | 2009-01-28 | 西安交通大学 | Wave straightly-drive type straight-line magneto resistance power generation system |
| CN101355289A (en) * | 2008-09-09 | 2009-01-28 | 浙江大学 | Modularization error-tolerance type permanent magnet switch magnetic linkage straight line motor |
| CN101567613A (en) * | 2009-01-22 | 2009-10-28 | 东南大学 | Linear permanent-magnet generator |
Non-Patent Citations (2)
| Title |
|---|
| 《微电机》 19950325 胡敏强，杜炎森 实心次级双边直线电机电气参数的有限元计算 12-15 1-5 第28卷, 第01期 2 * |
| 《电机与控制学报》 20070515 戴魏等 直线同步电机运行分析 240-243 1-5 第11卷, 第03期 2 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938603A (en) * | 2012-11-26 | 2013-02-20 | 江苏大学 | Cylindrical permanent-magnet linear motor with modular C-shaped stator cores |
| CN102938603B (en) * | 2012-11-26 | 2015-04-22 | 江苏大学 | Cylindrical permanent-magnet linear motor with modular C-shaped stator cores |
| 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 |
| WO2017080010A1 (en) * | 2015-11-09 | 2017-05-18 | 中国矿业大学 | Method for estimating position of electromechanical energy conversion double-sided switched reluctance linear electric motor rotor |
| AU2015408849B2 (en) * | 2015-11-09 | 2017-12-07 | China University Of Mining And Technology | Rotor position estimation method for electromechanical energy conversion bilateral switched reluctance linear motor |
| WO2018018671A1 (en) * | 2016-07-26 | 2018-02-01 | 江苏大学 | Fault-tolerant permanent-magnet vernier cylindrical electric motor with electromagnetic suspension and fault-tolerant vector control method for short circuit of two adjacent phases |
| US10505483B2 (en) | 2016-07-26 | 2019-12-10 | Jiangsu University | Fault-tolerant permanent-magnet Vernier cylindrical electric motor with electromagnetic suspension and fault-tolerant vector control method for short circuit of two adjacent phases |
| CN110033575A (en) * | 2019-01-25 | 2019-07-19 | 河南理工大学 | A kind of self-generating wireless doorbell |
| CN110098708A (en) * | 2019-05-20 | 2019-08-06 | 南京航空航天大学 | A kind of durface mounted permanent magnet synchronous motor of stator-sectional |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8120224B2 (en) | Permanent-magnet switched-flux machine | |
| CN101355284B (en) | Wave straightly-drive type straight-line magneto resistance power generation system | |
| KR101173107B1 (en) | Generator | |
| CN102412700B (en) | Low-speed high-thrust-density linear motor | |
| CN102118072B (en) | Automatic accelerating permanent-magnet direct-drive motor | |
| CN104578672A (en) | Cylinder type speed-changing linear permanent magnet generator used for wave power generation | |
| CN201378789Y (en) | High-power density generator with adjustable magnetic flux | |
| CN101882819A (en) | Rectilinear cylindrical switching magnetic flux permanent magnet generator | |
| CN101527470B (en) | Magneticflux-switching type composite excitation transverse-magneticflux wind powered generator | |
| CN201956761U (en) | Linear cylinder type switched flux permanent magnet generator | |
| KR20160091357A (en) | Direct drive generator for renewable energy applications | |
| CN107070165B (en) | A kind of flux-reversal type permanent-magnetism linear motor and its application | |
| CN111181259A (en) | Linear rotation permanent magnet motor with E-shaped stator structure | |
| CN102570770A (en) | Low-speed high-torque permanent-magnet cursor linear wave generator | |
| CN102437702A (en) | Vernier linear motor for direct-drive sea-wave power generation | |
| CN104836398A (en) | Rotor magnetic concentrating double-stator transverse magnetic field permanent magnet synchronous motor | |
| CN202395636U (en) | Low-speed and high-thrust-density linear motor | |
| CN103441651B (en) | A kind of multi-port energy conversion device | |
| CN201956763U (en) | Permanent magnet direct drive motor | |
| CN101355285A (en) | Multilayer combined straight-line reluctance generator and electric generator using wave energy | |
| CN202405989U (en) | Low speed large torque permanent magnet cursor straight line wave-activated generator | |
| CN102255471B (en) | Linear switch magnetic flux permanent magnet motor with low location force and high thrust | |
| CN201956874U (en) | Permanent magnet direct drive type linear motor | |
| CN102082490A (en) | High-thrust permanent magnet direct drive linear electric motor | |
| CN103178672B (en) | Stator-surface-mounted type doubly salient permanent magnet motor adopting modularized rotor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20101110 |