CN102104312B - Cylindrical double-layer winding linear permanent magnet synchronous generator - Google Patents
Cylindrical double-layer winding linear permanent magnet synchronous generator Download PDFInfo
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- CN102104312B CN102104312B CN 201110065023 CN201110065023A CN102104312B CN 102104312 B CN102104312 B CN 102104312B CN 201110065023 CN201110065023 CN 201110065023 CN 201110065023 A CN201110065023 A CN 201110065023A CN 102104312 B CN102104312 B CN 102104312B
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- winding
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- 238000004804 winding Methods 0.000 title claims abstract description 90
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000007885 magnetic separation Methods 0.000 abstract 3
- 238000010248 power generation Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 38
- 230000000694 effects Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- IYLGZMTXKJYONK-ACLXAEORSA-N (12s,15r)-15-hydroxy-11,16-dioxo-15,20-dihydrosenecionan-12-yl acetate Chemical compound O1C(=O)[C@](CC)(O)C[C@@H](C)[C@](C)(OC(C)=O)C(=O)OCC2=CCN3[C@H]2[C@H]1CC3 IYLGZMTXKJYONK-ACLXAEORSA-N 0.000 description 1
- 229910000926 A-3 tool steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- IYLGZMTXKJYONK-UHFFFAOYSA-N ruwenine Natural products O1C(=O)C(CC)(O)CC(C)C(C)(OC(C)=O)C(=O)OCC2=CCN3C2C1CC3 IYLGZMTXKJYONK-UHFFFAOYSA-N 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a cylindrical double-layer winding linear permanent magnet synchronous generator. The cylindrical double-layer winding linear permanent magnet synchronous generator comprises shafts and outer iron cores, wherein the outer cylinders of the shafts are provided with a plurality of annular permanent magnets and the shafts are spaced from each other by using a first group of magnetic separation rings; and a plurality of outer windings in the same number as the annular permanent magnets are wound around the inner holes of the outer iron cores and the outer iron cores are spaced from each other by using a second group of magnetic separation rings. The centers of the shafts are provided with central holes; inner iron cores are arranged in the central holes; the outer cylinders of the inner iron cores are provided with inner windings which are spaced from each other by using a third group of magnetic separation rings; a spring is arranged between the inside surface of the inner iron cores and the shaft bottom surfaces of the central holes; end covers are arranged on the inner iron cores and the outer iron cores; and annular air gaps with the same height are reserved among the outer windings, the permanent magnets and the inner windings respectively. The cylindrical double-layer winding linear permanent magnet synchronous generator adopts a slotless moving-magnetic type dual-stator structure, eliminates positioning force, and simultaneously has the characteristics of quick response, high permanent magnet utilization rate and the like, does not need an intermediate conversion device, converts rectilinear motion into electric quantity and outputs the electric quantity, can be used in the fields such as pistons, wave power generation and the like, saves energy and is environmentally-friendly.
Description
Technical field
The present invention relates to the linear permanent-magnet synchronous generator, specifically relate to a kind of cylindrical double-layer winding linear permanent magnet synchronous generator.
Background technology
Along with the concern of people to the energy and environment, can directly utilize the linear electric generator of the mechanical oscillation generating of object to become gradually the focus of domestic and international research.Different from traditional rotary generator, linear electric generator can be converted into electric energy with the rectilinear motion in producing, living, and has not only reduced the loss of energy, and has enlarged range of application.Vibrate ubiquitous, the motion of piston, the shake of vehicle, in the utilization of the morning and evening tides of ocean and Wave energy, linear electric generator can be directly by the secondary generation alternating current that moves up and down, and simple efficient direct Conversion of Energy mode has promoted development and the application of linear electric generator.
At present domestic general employing traditional round tubular linear electric generator adopts the moving-magnetic type structure more, elementaryly is comprised of unshakable in one's determination and winding, and cast iron core inboard evenly has annular groove, and core slots has been nested with armature winding; Secondaryly be comprised of unshakable in one's determination and permanent magnet, round ring magnet adopts radially or the axial charging mode, be fixed on secondary unshakable in one's determination outside, link to each other with external drive equipment by bearing.This is so that linear electric generator has several subject matters when operation:
1, the slot effect of motor can produce detent force, has affected the stability of motor operation;
2, existence unshakable in one's determination has increased secondary weight, has reduced the response speed of motor;
3, iron loss is higher, has limited the raising of electric efficiency and permanent magnet utilance.
Summary of the invention
In order to solve the problem of cylinder-shape linear permanent magnet generator existence in service in the background technology, improve efficient and the response speed of motor, eliminate detent force to the impact of motor operation smoothness and stability, the object of the present invention is to provide a kind of cylindrical double-layer winding linear permanent magnet synchronous generator.
Technical solution problem of the present invention, the technical scheme that adopts is:
The present invention includes that exterior circular column is provided with a plurality of round ring magnets and skin iron core that the axle separated with first group of magnetism-isolating loop to each other and endoporus are wound with the outer winding identical with the round ring magnet number and separate with second group of magnetism-isolating loop to each other, described axle is coaxial to be installed in the described skin hole unshakable in one's determination; It is characterized in that: have centre bore at described axle center, in from an end of the axle that has centre bore to centre bore internal layer is installed unshakable in one's determination, internal layer exterior circular column unshakable in one's determination is provided with internal layer winding identical with the round ring magnet number, that also separate with the 3rd group of magnetism-isolating loop, mounting spring between internal layer medial surface unshakable in one's determination and the axle bottom surface that has centre bore, internal layer lateral surface unshakable in one's determination and outer end face installation end cap unshakable in one's determination; The annulus gap that has respectively equal height between outer winding, permanent magnet and the internal layer winding.
Described outer winding comprises three annular windings, is one another in series, and wherein the winding at two ends is around to identical, and middle winding is around on the contrary; Described internal layer winding comprises three annular windings, is one another in series, and wherein the winding at internal layer winding two ends is around to identical with the winding at outer winding two ends, and middle winding is around on the contrary; Outer winding and internal layer winding are one another in series.
Described three round ring magnets, be respectively the rare earth permanent magnet neodymium iron boron of radial magnetizing, adjacent round ring magnet magnetizing direction is opposite, be placed with magnetism-isolating loop between two adjacent round ring magnets, Sine distribution is pressed vertically by internal layer iron core and the outer loop that forms unshakable in one's determination in magnetic field in air gap.
Described outer slot for winding distance, internal layer slot for winding are apart from equating with the permanent magnet pole distance.
When the axle of this linear electric generator is back and forth driven, outer winding and internal layer winding be cutting magnetic field simultaneously, produce induced electromotive force, when motor size timing, the size of induced electromotive force is directly proportional with the motion frequency of axle, and motion frequency is higher, and induced electromotive force is larger, when the winding external circuits is closed, but the linear electric generator supplying power for outside.In order to protect motor shaft and permanent magnet, be placed with spring between linear generating arbor and the internal layer iron core, can eliminate external impact force, limit secondary movement travel.
The beneficial effect that the present invention has is:
1, directly rectilinear motion is converted to electric energy output, has avoided the loss of intermediate conversion equipment, improved whole generating efficiency;
2, the slotless structure has been eliminated detent force, has improved the quality of power supply, has improved the stability of motor operation;
3, secondary non iron-core exists, and has reduced secondary mass, has improved the motor response speed;
4, the two layer winding structure has improved the permanent magnet utilization rate.
Description of drawings
Accompanying drawing is linear electric generator sectional view of the present invention.
Among the figure: 1-1. is outer unshakable in one's determination, and the 1-2. internal layer is unshakable in one's determination, the outer winding of 2-1., 2-2. internal layer winding, 3. permanent magnet, 4. end cap, 5. magnetism-isolating loop, 6. axle, 7. spring, 8. column.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
As shown in drawings, the present invention includes exterior circular column and be provided with the axle 6 of a plurality of round ring magnets 3 and the 1-1 outer unshakable in one's determination that endoporus is wound with outer winding 2-1.Separate mutually with first group of magnetism-isolating loop 5 between the round ring magnet 3.Outer winding 2-1 is identical with round ring magnet 3 numbers, and separate with second group of magnetism-isolating loop 5.Described axle 6 coaxial being installed in the described skin 1-1 unshakable in one's determination hole.Have centre bore at described axle 6 centers, in centre bore, internal layer 1-2 unshakable in one's determination is installed from an end of the axle 6 that has centre bore, be wound with internal layer winding 2-2 on the internal layer 1-2 exterior circular column unshakable in one's determination.Internal layer winding 2-2 is identical with round ring magnet 3 numbers, and separate with the 3rd group of magnetism-isolating loop 5.Magnetism-isolating loop 5 both sides are provided with groove, can play the effect of fixed outer layer winding 2-1 and internal layer winding 2-2.Mounting spring 7 between internal layer 1-2 medial surface unshakable in one's determination and axle 6 bottom surfaces that have centre bore can be alleviated outside impulsive force, limits secondary stroke, and externally driving arrangement frequency one regularly can also reach by resonance the effect of raising electric efficiency.Internal layer 1-2 lateral surface unshakable in one's determination and outer 1-1 end face unshakable in one's determination are installed end cap 4, and end cap 4 requires to have certain intensity, thereby guarantee to have good axiality between outer 1-1 unshakable in one's determination and the internal layer 1-2 unshakable in one's determination.One end of axle 6 is fixing by pillar 8, guaranteeing the axiality of axle 6 and outer 1-1 unshakable in one's determination and internal layer 1-2 unshakable in one's determination, so that maintain identical air gap height between permanent magnet 3 and outer winding 2-1 and the internal layer winding 2-2.
Described outer winding 2-1 and internal layer winding 2-2 are entwined by enamel covered wire.Outer winding 2-1 comprises three annular winding A1, B, A2, is one another in series, and wherein winding A1, the A2 at two ends be around to identical, and middle winding B is around on the contrary; Described internal layer winding 2-2 comprises three annular winding a1, b, a2, is one another in series, and wherein winding a1, the a2 at internal layer winding two ends be around to identical with winding A1, the A2 at outer winding two ends, and middle winding b is around on the contrary; Outer winding and internal layer winding are one another in series.
Described three round ring magnets 3, be respectively the rare earth permanent magnet neodymium iron boron of radial magnetizing, adjacent round ring magnet magnetizing direction is opposite, be placed with magnetism-isolating loop between two adjacent round ring magnets, magnetic field forms the loop by internal layer 1-1 unshakable in one's determination and outer 1-2 unshakable in one's determination, presses Sine distribution along the space.
Described outer slot for winding distance, internal layer slot for winding are apart from equating with the permanent magnet pole distance.Described elementary iron core is made of ordinary silicon steel disc or A3 steel, and manufacturing process is identical with the traditional line motor.
The present invention can utilize piston or wave isoline power to generate electricity.Need during use the outer 1-1 unshakable in one's determination of described generator and pillar 8 are fixed on the equipment, installation direction is by the external motivating force orientation determination, to guarantee vertically reciprocating motion of permanent magnet 3.During generator operation, axle 6 external external driver device or along with the motion of equipment produces axial displacement, mutually motion will occur between permanent magnet 3 and outer winding 2-1 and the internal layer winding 2-2, outer winding 2-1 and internal layer winding 2-2 be cutting magnetic line simultaneously, produce induced electromotive force, during external load, can realize supplying power for outside.Compare with traditional single-layer winding structure of single, the present invention, can provide higher induced electromotive force, thereby improve the utilance of permanent magnet when guaranteeing motor sensitivity in the situation that the permanent magnet volume is identical.
Claims (3)
1. cylindrical double-layer winding linear permanent magnet synchronous generator, comprise that exterior circular column is provided with a plurality of round ring magnets and also is wound with the outer iron core that the outer winding identical with the round ring magnet number also separated with second group of magnetism-isolating loop to each other with the axle of first group of magnetism-isolating loop separation with endoporus to each other, described axle is coaxial to be installed in the described skin hole unshakable in one's determination; It is characterized in that: have centre bore at described axle center, in centre bore, internal layer (1-2) unshakable in one's determination is installed from an end of the axle (6) that has centre bore, internal layer (1-2) exterior circular column unshakable in one's determination is provided with internal layer winding identical with the round ring magnet number, that also separate with the 3rd group of magnetism-isolating loop, mounting spring (7) between internal layer (1-2) medial surface unshakable in one's determination and axle (6) bottom surface that has centre bore, internal layer (1-2) lateral surface unshakable in one's determination and outer (1-1) end face installation end cap (4) unshakable in one's determination; The annulus gap that has respectively equal height between outer winding, permanent magnet and the internal layer winding;
Described outer winding comprises three annular windings (A1, B, A2), is one another in series, and wherein the winding at two ends (A1, A2) is around to identical, and middle winding (B) is around on the contrary; Described internal layer winding comprises three annular windings (a1, b, a2), be one another in series, wherein the winding at internal layer winding two ends (a1, a2) is around to identical with the winding (A1, A2) at outer winding two ends, and middle winding (b) is around on the contrary; Outer winding and internal layer winding are one another in series.
2. a kind of cylindrical double-layer winding linear permanent magnet synchronous generator according to claim 1, it is characterized in that: described permanent magnet comprises three round ring magnets, be respectively the rare earth permanent magnet neodymium iron boron of radial magnetizing, adjacent round ring magnet magnetizing direction is opposite, be placed with magnetism-isolating loop between two adjacent round ring magnets, internal layer (1-1) unshakable in one's determination is passed through in magnetic field and outer (1-2) unshakable in one's determination forms the loop, presses vertically Sine distribution in air gap.
3. a kind of cylindrical double-layer winding linear permanent magnet synchronous generator according to claim 1, it is characterized in that: described outer slot for winding apart from, internal layer slot for winding apart from permanent magnet pole apart from equating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110065023 CN102104312B (en) | 2011-03-17 | 2011-03-17 | Cylindrical double-layer winding linear permanent magnet synchronous generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110065023 CN102104312B (en) | 2011-03-17 | 2011-03-17 | Cylindrical double-layer winding linear permanent magnet synchronous generator |
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| Publication Number | Publication Date |
|---|---|
| CN102104312A CN102104312A (en) | 2011-06-22 |
| CN102104312B true CN102104312B (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110065023 Expired - Fee Related CN102104312B (en) | 2011-03-17 | 2011-03-17 | Cylindrical double-layer winding linear permanent magnet synchronous generator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680664A (en) * | 2016-03-21 | 2016-06-15 | 深圳市兆业电子科技有限公司 | Permanent-magnet linear motor and flexible-cavity compressor |
| EP3718191B1 (en) * | 2017-11-30 | 2021-12-15 | Otto S.r.l. | A solenoid generator, corresponding electrical supply system and device |
| FR3074620B1 (en) * | 2017-12-05 | 2019-10-25 | Ams R&D Sas | ELECTRIC MOTOR |
| CN110112876A (en) * | 2019-05-17 | 2019-08-09 | 东南大学 | A kind of controllable transverse magnetic field modulation linear electric generator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6717297B2 (en) * | 2000-04-07 | 2004-04-06 | Abb Ab | Electrical machine |
| CN101202491A (en) * | 2006-12-11 | 2008-06-18 | 谭晛 | Vibrator wave power generator |
| CN202004620U (en) * | 2011-03-17 | 2011-10-05 | 浙江理工大学 | Cylindrical double-layer winding linear permanent magnet synchronous generator |
-
2011
- 2011-03-17 CN CN 201110065023 patent/CN102104312B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6717297B2 (en) * | 2000-04-07 | 2004-04-06 | Abb Ab | Electrical machine |
| CN101202491A (en) * | 2006-12-11 | 2008-06-18 | 谭晛 | Vibrator wave power generator |
| CN202004620U (en) * | 2011-03-17 | 2011-10-05 | 浙江理工大学 | Cylindrical double-layer winding linear permanent magnet synchronous generator |
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| CN102104312A (en) | 2011-06-22 |
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