CN202004620U - 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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- CN202004620U CN202004620U CN2011200716475U CN201120071647U CN202004620U CN 202004620 U CN202004620 U CN 202004620U CN 2011200716475 U CN2011200716475 U CN 2011200716475U CN 201120071647 U CN201120071647 U CN 201120071647U CN 202004620 U CN202004620 U CN 202004620U
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Abstract
The utility model discloses a cylindrical double-layer winding linear permanent magnet synchronous generator, which comprises a shaft and an outer-layer iron core, wherein the outer cylinder of the shaft is provided with a plurality of annular permanent magnets which are mutually separated by a first group of magnetism insulation rings, and the inner hole of the outer-layer iron core is wound with a plurality of outer-layer windings which have the same number as the annular permanent magnets and are mutually separated by a second group of magnetism insulation rings. The center of the shaft is provided with a central hole, an inner-layer iron core is arranged in the central hole, the outer cylinder of the shaft is provided with inner-layer windings separated by a third group of magnetism insulation rings, a spring is arranged between the inner side surface of the inner-layer iron core and the axial bottom surface of the central hole, and the end surface of the inner-layer iron core and the outer-layer iron core is provided with an end cover; and annular air gaps with the same height are respectively arranged among the outer-layer windings, the permanent magnets and the inner-layer windings. The generator is in an alveolar-free moving-magnet type double-stator structure, and has the characteristics of quick response, high utilization rate of permanent magnets and the like at the time of eliminating positioning force. Device conversion is not needed, linear motion is converted into power output, and the generator can be used on the occasions of piston and wave power generation and the like, and is energy-saving and environment-friendly.
Description
Technical field
The utility model relates to the linear permanent-magnet synchronous generator, specifically relates to a kind of cylindrical shape two layer winding linear permanent-magnet synchronous generator.
Background technology
Along with the concern of people, can directly utilize the linear electric generator of the mechanical oscillation generating of object to become the focus of domestic and international research gradually to the energy and environment.Different with 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 the direct Conversion of energy mode of advantages of simplicity and high efficiency has promoted the 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 made up of unshakable in one's determination and winding, and cast iron core inboard evenly has annular groove, the embedded armature winding that is with of core slots; Secondaryly is made up of unshakable in one's determination and permanent magnet, round ring magnet adopts radially or the axial charging mode, is fixed on outside the secondary iron core, links to each other with external drive equipment by bearing.This makes linear electric generator have several of main problems when operation:
1, the slot effect of motor can produce detent force, has influenced the stability of motor operation;
2, Tie Xin existence 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 efficiency of motor and response speed, eliminate the influence of detent force to motor operation smoothness and stability, the purpose of this utility model is to provide a kind of cylindrical shape two layer winding linear permanent-magnet synchronous generator.
The utility model technical solution problem, the technical scheme that is adopted is:
The utility model comprises that exterior circular column is provided with a plurality of round ring magnets and also is wound with the skin 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 endoporus, coaxial being installed in the described skin hole unshakable in one's determination of described axle with the axle of first group of magnetism-isolating loop separation to each other; It is characterized in that: have centre bore at described axle center, from have centre bore the axle an end internal layer iron core is installed in centre bore, 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 equal height between outer winding, permanent magnet and the internal layer winding respectively.
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 high more, and induced electromotive force is big more, when the winding external circuits was closed, linear electric generator can externally be powered.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 utlity model 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, no teeth groove structure has been eliminated detent force, has improved the quality of power supply, has improved the stability of motor operation;
3, secondary iron-free is felt, 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 the utility model linear electric generator sectional view.
Among the figure: 1-1. is outer unshakable in one's determination, 1-2. internal layer iron core, and the outer winding of 2-1., 2-2. internal layer winding, 3. permanent magnet, 4. end cap, 5. magnetism-isolating loop, 6. spool, 7. spring, 8. column.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in drawings, the utility model comprises that exterior circular column is 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, internal layer 1-2 unshakable in one's determination is installed in centre bore, be wound with internal layer winding 2-2 on the internal layer iron core 1-2 exterior circular column from an end of the axle 6 that has centre bore.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 the effect of raising electric efficiency by resonance.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.An axle end of 6 is fixing by pillar 8, to guarantee the axiality of axle 6 and outer 1-1 unshakable in one's determination and internal layer 1-2 unshakable in one's determination, makes to 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 utility model can utilize piston or wave isoline power to generate electricity.Need during use outer 1-1 unshakable in one's determination of described generator and pillar 8 are fixed on the equipment, installation direction is determined by the external drive force direction, to guarantee permanent magnet 3 reciprocating motion vertically.During generator operation, axle 6 external external driver device or along with the motion of equipment produces axial displacement, motion mutually will take place 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 external power supply.Compare with traditional single layer winding structure, the utility model when guaranteeing motor sensitivity, can provide higher induced electromotive force, thereby improve the utilance of permanent magnet under the identical situation of permanent magnet volume.
Claims (4)
1. cylindrical shape two 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 skin 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 endoporus, coaxial being installed in the described skin hole unshakable in one's determination of described axle with the axle of first group of magnetism-isolating loop separation to each other; It is characterized in that: have centre bore at described axle center, from have centre bore the axle (6) an end internal layer iron core (1-2) is installed in centre bore, internal layer iron core (1-2) exterior circular column is provided with internal layer winding identical with the round ring magnet number, that also separate with the 3rd group of magnetism-isolating loop, internal layer iron core (1-2) medial surface and have mounting spring (7) between axle (6) bottom surface of centre bore, internal layer iron core (1-2) lateral surface and outer (1-1) end face unshakable in one's determination are installed end cap (4); The annulus gap that has equal height between outer winding, permanent magnet and the internal layer winding respectively.
2. a kind of cylindrical shape two layer winding linear permanent-magnet synchronous generator according to claim 1, it is characterized in that: described outer winding comprises three annular windings (A1, B, A2), be one another in series, 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), is one another in series, and 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.
3. a kind of cylindrical shape two layer winding linear permanent-magnet synchronous generator according to claim 1, it is characterized in that: 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, magnetic field forms the loop by internal layer iron core (1-1) and outer (1-2) unshakable in one's determination, presses Sine distribution in air gap vertically.
4. a kind of cylindrical shape two layer winding linear permanent-magnet synchronous generator according to claim 1, it is characterized in that: described outer slot for winding distance, internal layer slot for winding are apart from equating with the permanent magnet pole distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200716475U CN202004620U (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 |
|---|---|---|---|
| CN2011200716475U CN202004620U (en) | 2011-03-17 | 2011-03-17 | Cylindrical double-layer winding linear permanent magnet synchronous generator |
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| Publication Number | Publication Date |
|---|---|
| CN202004620U true CN202004620U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200716475U Expired - Lifetime CN202004620U (en) | 2011-03-17 | 2011-03-17 | Cylindrical double-layer winding linear permanent magnet synchronous generator |
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| CN (1) | CN202004620U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102104312A (en) * | 2011-03-17 | 2011-06-22 | 浙江理工大学 | Cylindrical double-layer winding linear permanent magnet synchronous generator |
| CN108847737A (en) * | 2018-06-15 | 2018-11-20 | 哈尔滨工程大学 | A kind of Wave energy acquisition device for sonar buoy power supply |
| CN109768682A (en) * | 2018-12-11 | 2019-05-17 | 中国矿业大学 | A kind of novel cylinder type bimorph transducer switched relutance linear motor |
| CN110112876A (en) * | 2019-05-17 | 2019-08-09 | 东南大学 | A kind of controllable transverse magnetic field modulation linear electric generator |
-
2011
- 2011-03-17 CN CN2011200716475U patent/CN202004620U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102104312A (en) * | 2011-03-17 | 2011-06-22 | 浙江理工大学 | Cylindrical double-layer winding linear permanent magnet synchronous generator |
| CN102104312B (en) * | 2011-03-17 | 2013-05-01 | 浙江理工大学 | Cylindrical double-layer winding linear permanent magnet synchronous generator |
| CN108847737A (en) * | 2018-06-15 | 2018-11-20 | 哈尔滨工程大学 | A kind of Wave energy acquisition device for sonar buoy power supply |
| CN109768682A (en) * | 2018-12-11 | 2019-05-17 | 中国矿业大学 | A kind of novel cylinder type bimorph transducer switched relutance linear motor |
| CN110112876A (en) * | 2019-05-17 | 2019-08-09 | 东南大学 | A kind of controllable transverse magnetic field modulation linear electric generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111005 Effective date of abandoning: 20130501 |
|
| RGAV | Abandon patent right to avoid regrant |