CN105811726A - Synchronous reluctance-type linear generator drive-based wave generator - Google Patents
Synchronous reluctance-type linear generator drive-based wave generator Download PDFInfo
- Publication number
- CN105811726A CN105811726A CN201610261676.5A CN201610261676A CN105811726A CN 105811726 A CN105811726 A CN 105811726A CN 201610261676 A CN201610261676 A CN 201610261676A CN 105811726 A CN105811726 A CN 105811726A
- Authority
- CN
- China
- Prior art keywords
- iron core
- synchronous reluctance
- wave generator
- permanent magnet
- portion iron
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
Abstract
The invention discloses a synchronous reluctance-type linear generator drive-based wave generator, which comprises an upper floating plate, a lower floating plate and a plurality of cylindrical synchronous reluctance-type linear generators, wherein the plurality of cylindrical synchronous reluctance-type linear generators are distributed between the upper floating plate and the lower floating plate; and each cylindrical synchronous reluctance-type linear generator comprises a short primary and a long secondary. By a multi-motor distributed structure, a few of permanent magnets are inserted into secondary reluctance slots of the synchronous reluctance-type linear generators, so that the advantages of the synchronous reluctance-type linear generators and a permanent magnet linear generator are well combined; the capacity of single generator is reduced; furthermore, the permanent magnet is relatively small in dosage and low in cost; modularization is easy to implement; and the wave generator is suitable for wave power generation and is also suitable for an active electromagnetic damper, an oscillating system and the like.
Description
Technical field
The invention belongs to seawave power generation technical field, be specifically related to a kind of ocean wave generator driven based on synchronous reluctance formula linear electric motors.
Background technology
Environmental pollution and energy crisis are two big common themes of world today's development.Greatly develop the generation of electricity by new energy modes such as wind-power electricity generation, tidal power generation, geothermal power generation; the raising of the change and utilization rate thereof that realize energy conversion mode is the important means solving this two large problems; the environmental conservation current for China and energy Sustainable Exploitation have considerable effect, have significant economic and social benefit.The motion of wave is eternal, and it can produce very big kinetic energy, utilizes the motion of wave to generate electricity and can save non-renewable energy resources, and power generation process environmental protection, not atmosphere pollution.Utilizing the conventional solution that ocean wave motion generates electricity in industry is floating body by cable pull, according to the floating body undulatory motion with wave, act on cable, cable remakes for drive, drive rotates drive electrical generators work, and then generation electric current, may finally be throw in power supplies such as marine monitors.
Seawave power generation is a kind of generation of electricity by new energy technology, of great interest.Due to ocean wave motion, adopting linear electric motors with the obvious advantage, it does not need middle double-action part, sea wave energy is directly changed into electric energy, has the remarkable advantages such as simple in construction, lightweight, volume is little.The operation principle of linear electric motors driving ocean wave generator is as described below: linear electric generator is provided air-gap field by excitation part, and ocean wave motion promotes the primary of linear electric generator or secondary reciprocating motion, thus just can produce alternating current impression electromotive force in armature winding.
Owing to the direction of wave is uncertain so that the working performance of drive is very low, and can not float on marine power generation for a long time；Additionally, electromotor easily occurs within the interval time of the heave of waves pausing in gap, causing intermittent power generation, power generation continuous property is poor.Therefore, the key subject of ocean wave generator is the raising of the Efficient Conversion of energy and capacity, has and adopt switching magnetic-resistance linear electric generator in prior art, also has and adopts permanent magnet synchronous linear generator, and the former cost is low, and efficiency is low, and the latter's efficiency is high, and cost is high.
Summary of the invention
Above-mentioned technical problem existing for prior art, the invention provides a kind of ocean wave generator driven based on synchronous reluctance formula linear electric motors, it adopts the distributed frame of many motors, synchronous reluctance linear electric generator only inserts a small amount of permanent magnet in the middle of secondary magnetic resistance groove, combine the advantage of Reluctance synchronous linear electric generator and permanent magnet linear generator well, not only reducing the capacity of single motor, and permanent magnet consumption is less, cost is low.
A kind of ocean wave generator driven based on synchronous reluctance formula linear electric motors, synchronous reluctance linear electric generator including upper kickboard, lower kickboard and multiple cylinder types of being distributed between upper and lower kickboard, described synchronous reluctance linear electric generator is coupled on external dc power by commutator, and upper kickboard is connected by connecting line is fixing with lower kickboard；
Described synchronous reluctance linear electric generator includes short primary and long secondary；Wherein:
Described long secondary one end is vertically fixed in lower kickboard, and it includes motor shaft, secondary iron core and permanent magnet；Described motor shaft is along the circumferential direction fitted with the secondary iron core that N group is described, and N is the even number more than 2 and N group secondary iron core is magnetic resistance symmetrical structure；Described secondary iron core adopts long strip type silicon steel plate stacking to form, described stalloy has vertically and organizes arc-shaped through-hole more, thus secondary iron mandrel upwards forms many group arc magnetic resistance grooves owing to having the silicon steel plate stacking of arc-shaped through-hole, and namely described permanent magnet is filled and be embedded in these arc magnetic resistance grooves；In two adjacent groups arc magnetic resistance groove, the magnetizing direction of permanent magnet is contrary；
Described short primary and upper kickboard traction is connected, it includes armature winding and teeth portion iron core and yoke portion iron core by polylith annular replace the armature core that superposition form so that described long secondary is replaced with yoke portion iron core by teeth portion iron core and superposes the annular through-hole formed and run through whole armature core；
The endoporus of the interior boring ratio yoke portion iron core of described teeth portion iron core is little, and thus namely adjacent two pieces of teeth portion iron cores and middle folded yoke portion iron core thereof form armature slot, are provided with the described armature winding of cake formula in armature slot.
Further, the annulus silicon steel plate stacking that described teeth portion iron core and yoke portion iron core are respectively adopted in difference hole size forms.
Preferably, there is a disconnection crack, place in described annulus stalloy, and when laminating, all annulus stalloys aligns by crack；Effectively reduce the eddy current in iron core.
Further, described short primary and long secondary are each through the seamless stainless steel seal of tube.
Further, described short primary end is equipped with copper sliding bearing so that short primary is sliding and running in the long secondary of outsourcing stainless steel tube.
Further, described permanent magnet adopts neodymium iron boron or ferrite；Only need a small amount of, insert the mid portion of bar shaped secondary iron core.
The present invention adopts the distributed frame of many motors, not only reduces the capacity of single motor, and permanent magnet consumption is less, and cost is low, combines the advantage of switching magnetic-resistance linear electric generator and permanent magnet linear generator well；Therefore the hinge structure present invention has following Advantageous Effects:
(1) many motors distributed frame of the present invention so that single-machine capacity is little, it is easy to accomplish modularity, is applicable not only to seawave power generation, is also applied for actively electromagnetic damper, oscillatory system etc..
(2) present invention adopts synchronous reluctance linear electric generator, and permanent magnet consumption is little, and cost is low.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of ocean wave generator of the present invention.
Fig. 2 is the structural representation of synchronous reluctance linear electric generator in the present invention.
Fig. 3 is long secondary cross sectional representation in synchronous reluctance linear electric generator.
Fig. 4 is the structural representation of long secondary iron core one radially unit in synchronous reluctance linear electric generator.
Fig. 5 is the partial schematic diagram of the short-and-medium primary longitudinal cross-section of synchronous reluctance linear electric generator.
Fig. 6 (a) is the lamination structure schematic diagram of short primary teeth portion iron core.
Fig. 6 (b) is the lamination structure schematic diagram of short primary yoke portion iron core.
Detailed description of the invention
In order to more specifically describe the present invention, below in conjunction with the drawings and the specific embodiments, technical scheme is described in detail.
As it is shown in figure 1, ocean wave generator of the present invention includes lower kickboard 1, multiple synchronous reluctance formula linear electric generator 2, connecting line 3, commutator 4 and upper kickboard 5；This example ocean wave generator adopts distributed frame, is made up of multiple cylinder type synchronous reluctance linear electric generators 2, is arranged between kickboard 5 and lower kickboard 1, and upper kickboard 5 is connected fixing with lower kickboard 1 by connecting line 3.
Fig. 1 shows four synchronous reluctance formula linear electric generators 2, actual synchronization magnetic resistance type linear electromotor 2 number is decided by application demand, and synchronous reluctance formula linear electric generator 2 under the wave action, produces alternating current impression electromotive force, it is made into direct current by commutator 4, is connected in parallel on external dc power.
As depicted in figs. 1 and 2, synchronous reluctance formula linear electric generator 2 includes short primary 21 and is connected to kickboard 5 with long secondary 22, all short primary 21, and all long secondary 22 are connected to lower kickboard 1.Long secondary 22 is synchronous reluctance structure, and including secondary iron core 221, permanent magnet 222 and motor shaft 223, it adopts multilayer magnetoresistive structure.
As shown in Figure 3, long secondary iron core 221 adopts radially superposed mode, its outer surface is sealed by gapless stainless steel tube 224, motor shaft 223 circumferencial direction is divided into even number length secondary iron core 221, each long secondary iron core 221 is identical, as shown in Figure 4: secondary iron core 221 adopts stalloy 225 to be overrided to form, stalloy 225 has vertically and organizes arc-shaped through-hole more, thus secondary iron mandrel upwards forms many group arc magnetic resistance grooves owing to having the silicon steel plate stacking of arc-shaped through-hole, namely permanent magnet 222 is filled and is embedded in these arc magnetic resistance grooves, in two adjacent groups arc magnetic resistance groove, the magnetizing direction of permanent magnet 222 is contrary, permanent magnet 222 can adopt neodymium iron boron or ferrite, only need a small amount of, insert the mid portion of magnetic resistance groove.
As shown in Figure 2 and Figure 5, short primary 21 include armature winding 211, teeth portion iron core 212 and yoke portion iron core 213, and armature winding 211 is Circular Winding, teeth portion iron core 212 and yoke portion iron core 213 alternately superposition composition armature core；Armature core outer surface passes through the seamless stainless steel seal of tube, and armature core end adopts copper sliding bearing.
As shown in Figure 6, teeth portion iron core 212 is formed by different annulus silicon steel plate stackings from yoke portion iron core 213, separated in every stalloy, and when laminating, crack alignment, effectively reduces the eddy current in iron core.The endoporus of the interior boring ratio yoke portion iron core 213 of teeth portion iron core 212 is little, and thus namely adjacent two pieces of teeth portion iron cores 212 and middle folded yoke portion iron core 213 thereof form armature slot, namely arrange the armature winding 211 of cake formula in armature slot.
The operation principle of the present embodiment ocean wave generator is: upper kickboard 5 and lower kickboard 1 are rocked under the effect of wave, short primary the 21 of each synchronous reluctance formula linear electric generator 2 is made to create upper and lower relative motion with long secondary 22, relative motion makes the magnetic linkage of armature winding 211 change, produce the induction electromotive force of alternation, this electromotive force is made into direct current by commutator 4, is connected in parallel on power supply.
As can be seen here, ocean wave generator of the present invention adopts the distributed frame of many motors, synchronous reluctance linear electric generator only inserts a small amount of permanent magnet in the middle of secondary magnetic resistance groove, combine the advantage of Reluctance synchronous linear electric generator and permanent magnet linear generator well, not only reduce the capacity of single motor, and permanent magnet consumption is less, cost is low.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and apply the present invention.Above-described embodiment obviously easily can be made various amendment by person skilled in the art, and General Principle described herein is applied in other embodiments without through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, those skilled in the art's announcement according to the present invention, the improvement made for the present invention and amendment all should within protection scope of the present invention.
Claims (6)
1. the ocean wave generator driven based on synchronous reluctance formula linear electric motors, it is characterized in that: include the synchronous reluctance linear electric generator of kickboard, lower kickboard and multiple cylinder types of being distributed between upper and lower kickboard, described synchronous reluctance linear electric generator is coupled on external dc power by commutator, and upper kickboard is connected by connecting line is fixing with lower kickboard；
Described synchronous reluctance linear electric generator includes short primary and long secondary；Wherein:
Described long secondary one end is vertically fixed in lower kickboard, and it includes motor shaft, secondary iron core and permanent magnet；Described motor shaft is along the circumferential direction fitted with the secondary iron core that N group is described, and N is the even number more than 2 and N group secondary iron core is magnetic resistance symmetrical structure；Described secondary iron core adopts long strip type silicon steel plate stacking to form, described stalloy has vertically and organizes arc-shaped through-hole more, thus secondary iron mandrel upwards forms many group arc magnetic resistance grooves owing to having the silicon steel plate stacking of arc-shaped through-hole, and namely described permanent magnet is filled and be embedded in these arc magnetic resistance grooves；In two adjacent groups arc magnetic resistance groove, the magnetizing direction of permanent magnet is contrary；
Described short primary and upper kickboard traction is connected, it includes armature winding and teeth portion iron core and yoke portion iron core by polylith annular replace the armature core that superposition form so that described long secondary is replaced with yoke portion iron core by teeth portion iron core and superposes the annular through-hole formed and run through whole armature core；
The endoporus of the interior boring ratio yoke portion iron core of described teeth portion iron core is little, and thus namely adjacent two pieces of teeth portion iron cores and middle folded yoke portion iron core thereof form armature slot, are provided with the described armature winding of cake formula in armature slot.
2. ocean wave generator according to claim 1, it is characterised in that: the annulus silicon steel plate stacking that described teeth portion iron core and yoke portion iron core are respectively adopted in difference hole size forms.
3. ocean wave generator according to claim 2, it is characterised in that: there is a disconnection crack, place in described annulus stalloy, when laminating, all annulus stalloys aligns by crack.
4. ocean wave generator according to claim 1, it is characterised in that: described short primary and long secondary are each through the seamless stainless steel seal of tube.
5. ocean wave generator according to claim 4, it is characterised in that: described short primary end is equipped with copper sliding bearing so that short primary is sliding and running in the long secondary of outsourcing stainless steel tube.
6. ocean wave generator according to claim 1, it is characterised in that: described permanent magnet adopts neodymium iron boron or ferrite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610261676.5A CN105811726B (en) | 2016-04-22 | 2016-04-22 | A kind of ocean wave generator based on the driving of synchronous reluctance formula linear electric motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610261676.5A CN105811726B (en) | 2016-04-22 | 2016-04-22 | A kind of ocean wave generator based on the driving of synchronous reluctance formula linear electric motors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105811726A true CN105811726A (en) | 2016-07-27 |
| CN105811726B CN105811726B (en) | 2018-02-23 |
Family
ID=56458572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610261676.5A Active CN105811726B (en) | 2016-04-22 | 2016-04-22 | A kind of ocean wave generator based on the driving of synchronous reluctance formula linear electric motors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105811726B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224572A (en) * | 2019-06-21 | 2019-09-10 | 兰州理工大学 | A kind of rectilinear water vibrational energy capture electricity generation system |
| CN112855419A (en) * | 2021-04-08 | 2021-05-28 | 浙江大学 | Wave and ocean current hybrid power generation device and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55160967A (en) * | 1979-05-30 | 1980-12-15 | Yasuhiro Manabe | Multimagnet electric generator employing vertical motion of wave |
| US20050169104A1 (en) * | 2004-02-02 | 2005-08-04 | Szegedi Nicholas J. | Buoyant container with wave generated power production |
| EP1589643A2 (en) * | 2004-02-27 | 2005-10-26 | New and Renewable Energy Centre Limited | Magnetic force transmission |
| 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 |
| US20120139261A1 (en) * | 2009-05-13 | 2012-06-07 | William Dick | Wave energy conversion system |
| CN102948053A (en) * | 2010-06-08 | 2013-02-27 | 株式会社日立制作所 | Linear motor |
| CN105406684A (en) * | 2015-12-29 | 2016-03-16 | 河南理工大学 | Tooth-slot salient permanent magnet composite array linear motor |
-
2016
- 2016-04-22 CN CN201610261676.5A patent/CN105811726B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55160967A (en) * | 1979-05-30 | 1980-12-15 | Yasuhiro Manabe | Multimagnet electric generator employing vertical motion of wave |
| US20050169104A1 (en) * | 2004-02-02 | 2005-08-04 | Szegedi Nicholas J. | Buoyant container with wave generated power production |
| EP1589643A2 (en) * | 2004-02-27 | 2005-10-26 | New and Renewable Energy Centre Limited | Magnetic force transmission |
| 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 |
| US20120139261A1 (en) * | 2009-05-13 | 2012-06-07 | William Dick | Wave energy conversion system |
| CN102948053A (en) * | 2010-06-08 | 2013-02-27 | 株式会社日立制作所 | Linear motor |
| CN105406684A (en) * | 2015-12-29 | 2016-03-16 | 河南理工大学 | Tooth-slot salient permanent magnet composite array linear motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224572A (en) * | 2019-06-21 | 2019-09-10 | 兰州理工大学 | A kind of rectilinear water vibrational energy capture electricity generation system |
| CN112855419A (en) * | 2021-04-08 | 2021-05-28 | 浙江大学 | Wave and ocean current hybrid power generation device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105811726B (en) | 2018-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101662172B (en) | Composite excitation type magnetic flux reverse motor | |
| CN104167896B (en) | A kind of T-shaped magnetic flux switching permanent-magnetism linear motor and module thereof | |
| CN102412700B (en) | Low-speed high-thrust-density linear motor | |
| CN104578672A (en) | Cylinder type speed-changing linear permanent magnet generator used for wave power generation | |
| CN104467343B (en) | A kind of tubular pole combination linear electric generator | |
| CN101660481A (en) | Sea wave linear motor driven by magnetic gear | |
| CN103219849A (en) | Rotor-permanent-magnetic type doubly-salient motor | |
| CN111313576B (en) | Modularized permanent magnet motor | |
| CN102570770A (en) | Low-speed high-torque permanent-magnet cursor linear wave generator | |
| CN104836398A (en) | Rotor magnetic concentrating double-stator transverse magnetic field permanent magnet synchronous motor | |
| CN204733060U (en) | A kind of wave power generation permanent magnet linear generator | |
| CN101557150A (en) | Permanent magnet synchronous direct-drive wind power generator without iron core | |
| CN105429423B (en) | Bilateral long secondary primary permanent magnet type field modulation linear electric motors used for oil extractor | |
| CN202405989U (en) | Low speed large torque permanent magnet cursor straight line wave-activated generator | |
| CN107919754A (en) | A kind of transverse flux permanent magnetic motor | |
| CN101882819A (en) | Rectilinear cylindrical switching magnetic flux permanent magnet generator | |
| CN202395636U (en) | Low-speed and high-thrust-density linear motor | |
| CN201536282U (en) | Flux reversal motor with magnetic field regulating capabilities | |
| CN105811726A (en) | Synchronous reluctance-type linear generator drive-based wave generator | |
| CN202405988U (en) | Sea-wave power generator | |
| CN201549978U (en) | Linear generator with magnetic gear for wave power generation | |
| CN112953154A (en) | Stator permanent magnet transverse magnetic flux linear generator for direct-drive type wave power generation | |
| CN113141097A (en) | Magnetic field modulation hybrid excitation transverse magnetic flux linear generator | |
| CN201956874U (en) | Permanent magnet direct drive type linear motor | |
| CN102082490A (en) | High-thrust permanent magnet direct drive linear electric motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |