CN202663260U - Dual-rotor permanent-magnet breeze power generator - Google Patents

Dual-rotor permanent-magnet breeze power generator Download PDF

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Publication number
CN202663260U
CN202663260U CN 201220248219 CN201220248219U CN202663260U CN 202663260 U CN202663260 U CN 202663260U CN 201220248219 CN201220248219 CN 201220248219 CN 201220248219 U CN201220248219 U CN 201220248219U CN 202663260 U CN202663260 U CN 202663260U
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CN
China
Prior art keywords
shell
central shaft
rotor
bearing
steel bushing
Prior art date
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Expired - Fee Related
Application number
CN 201220248219
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Chinese (zh)
Inventor
陈龙
匡民
马孝燕
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Chuzhou Hengen Optoelectronics Tech Co Ltd
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Chuzhou Hengen Optoelectronics Tech Co Ltd
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Priority to CN 201220248219 priority Critical patent/CN202663260U/en
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Publication of CN202663260U publication Critical patent/CN202663260U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The utility model discloses a dual-rotor permanent-magnet breeze power generator which comprises an outer shell. The outer shell is internally provided with an annular inner shell; the inner shell is disconnected from the middle part; bearings are respectively installed at the central parts of the two shell surfaces of the outer shell; central shafts are installed in the bearings; one end of each central shaft extends out of the outer shell, and the bearings are sleeved outside the extended ends of the central shafts; fan supports are arranged outside the bearings on the extended ends of the central shafts; a pair of steel sleeves are embedded in the inner wall on the disc edge of the outer shell; magnets are respectively packaged in the steel sleeves; each steel sleeve of the outer shell is provided with an outer rotor; steel sleeves are also respectively embedded in the outer walls of the annular edges of the inner shells on the two sides of the disconnected part of the inner shell, and magnets are also packaged in the steel sleeves; the polarities of the magnets in the steel sleeves of the inner and outer shells are opposite; the steel sleeves of the inner shell are respectively provided with an inner rotor; the central shafts are provided with inner bushings which are connected with two connecting elements; each connecting element is connected with a plastic packaged body between the inner shell and the outer shell; the plastic packaged body is provided with a stator; and clearances are formed between the stator and the inner rotors, and between the stator and the outer rotors.

Description

A kind of birotor permanent magnetic gentle breeze-driven generator
Technical field
The utility model relates to the wind-driven generator field, is specially a kind of birotor permanent magnetic gentle breeze-driven generator.
Background technology
Development along with economy; the exhaustion of petroleum resources and environmental pollution; the aggravation of global warming; the mankind must get hold of economic increase (Economic Growth); equilibrium relation between three " E " of environmental protection (Enviromental Protection) and resource provision (Energy Security), so new forms of energy are economized the comprehensive high-efficiency of energy technology and Environmental Technology and the problem that development and use become very worth research.Wind energy is a kind of transition form of solar energy, is a kind of regenerative resource clean, that reserves very enrich, and it does not produce any pernicious gas and waste material in being converted to the process of electric energy, free from environmental pollution, has and gathers materials on the spot, and does not need the characteristics such as transportation.
At present, occurred the double-rotor machine of multiple application wind power generation in the domestic and foreign literature, summed up, mainly be divided into following several:
(1) birotor axial magnetic field permanent magnet motor.The axial magnetic field permanent magnet motor is disc-type permanent magnet motor, and flat in its profile is stained with the fan-shaped or cylindrical permanent magnet pole by the N utmost point and s utmost point alternative arrangement of polylith on the rotor, and the stator active conductor is radial distribution in the space.
(2) birotor induction machine.This motor adopts the induction machine operation logic, and its structure adopts following two kinds: the one inner and outer rotors adopts cage-shaped structure, and the centre is stator, and its winding adopts radially canoe.This kind motor can be regarded inside and outside two induction machines that share a stator as; It two is that outermost layer is stator winding, and inside is two rotors, and cage type is transferred to the rotation of band moving axis, and output mechanical power, but the rotation of internal rotor phase countershaft are done during operation with the leg speed operation, and its structure is foretold shown in the l such as figure and ridiculed.Compare with common induction machine, the efficient of this motor and torque density will significantly improve.In addition, in some documents two-stator induction machine has appearred also both at home and abroad, its basic system be along motor two independently stators are axially arranged, all be embedded with the stator winding of three-phase symmetrical in each stator; With its to two rotor cores should be arranged, they form a complete rotor by mouse cage shape sliver, in the middle of two rotor cores the additional resistance that is comprised of high-resistance material has been installed simultaneously, the characteristics of this motor are lower starting current to be arranged, higher starting torque.
(3) double-rotor radial magnetic field permanent magnet motor.The difference of radial magnetic field magneto and axial magnetic field permanent magnet motor is magnetic direction, and the magnetic field of radial magnetic field motor is perpendicular to rotating shaft, and the magnetic direction of motor in axial magnetic field and shaft parallel.Its structure is: stator is fixed, and this stator in axial direction is fixed on the vertical static end cap.Stator is comprised of stator core and stator winding.Stator winding is comprised of coil back-to-back.Inside and outside two p-m rotors are comprised of the permanent magnet that the permanent magnet of cylindrical circular external stator magnetic conductive iron yoke and inner surface thereof forms with cylindrical circular internal rotor magnetic conductive iron yoke and outer surface thereof respectively.Inner and outer rotors is fixed together in the end and synchronous rotary.
The New-type electric machine that this motor is expected as a kind of application prospect, proposed by the external people such as Thomas A.Lipo at first, and carried out preliminary theory and experimental study, after this more external motor experts also are studied design and the magnetic field analysis of this motor in succession.But, at present also very not comprehensive to the research of double-rotor radial magnetic field permanent magnet motor in the world, only rest on preliminary theory and prototype experiment stage.Still have a large amount of basic theory problems about this motor, comprise the calculation of parameter, model foundation, analytical method, optimal design of motor etc., have also very not deeply, what have does not also relate to, and therefore remains research.In order further to understand characteristics and the application prospect of this motor, will further study this motor.
The utility model content
The utility model purpose provides a kind of birotor permanent magnetic gentle breeze-driven generator, does not still have the problem of ripe structure to solve the prior art double-rotor machine.
In order to achieve the above object, the technical scheme that adopts of the utility model is:
A kind of birotor permanent magnetic gentle breeze-driven generator, it is characterized in that: the shell that includes dish type, described enclosure has the inner casing of annular, and the place disconnects in the middle of the inner casing, also comprise central shaft, described shell two shell face centers are separately installed with bearing, described central shaft is installed in the bearing of shell shell face center to relatively rotate with bearing and cooperates, central shaft one end stretches out from shell and central shaft external part overcoat has with the central shaft external part and relatively rotates the bearing that cooperates, bearing on the central shaft external part is equipped with the blade support of installing for fan blade outward, be arranged in the embedding of shell dish edge inwall a pair of steel bushing is arranged, be packaged with respectively magnet in the steel bushing, be separately installed with external rotor on each steel bushing of shell dish edge inwall, also embedding respectively in the interior girdle edge outer wall of gap both sides has and the upper outside rotor-position of shell steel bushing one to one, also be packaged with magnet in the steel bushing of interior girdle edge, and in, magnet polarity in the shell steel bushing is opposite, be separately installed with on the steel bushing of girdle edge in each and the external rotor internal rotor of corresponding matching one by one, described central shaft is arranged on the shaft part of shell neck bush is installed, be connected with two positions on the neck bush symmetrically and in stretching into from the inner casing gap respectively, connector between the shell, be connected with on each connector and be positioned at, plastic-sealed body between the shell, in corresponding two of each plastic-sealed body, the position of external rotor is respectively arranged with stator, and the stator on the plastic-sealed body is respectively with interior, has the gap between the external rotor.
Described a kind of birotor permanent magnetic gentle breeze-driven generator, it is characterized in that: described shell one side shell face is set to faucal, the faucal place is equipped with side cover, side cover center, shell opposite side shell face center are separately installed with bearing, described central shaft is installed in the bearing at side cover, shell opposite side shell face center, half connects inner casing after the disconnection in the enclosure, and second half is connected in the side cover.
Described a kind of birotor permanent magnetic gentle breeze-driven generator is characterized in that: described central shaft and side cover junction are provided with the sheath that is enclosed within on the central shaft, and cover has asphalt felt on the sheath.
Described a kind of birotor permanent magnetic gentle breeze-driven generator is characterized in that: also be equipped with on the shell shell face at described blade support place and cover on the outer cover that facings the wind of blade support.
The utility model has changed stator and the rotor structure of conventional electric generators, improves greatly magnetic flux by coil by optimizing Distribution of Magnetic Field on the coil movement track, thereby makes the efficient multiple increase of generator.Main feature of the present utility model: have the internal and external double-circular structure, on rotor inner wall and the internal rotor outer wall apparent surface steel bushing that interior envelope has permanent magnetic iron is set respectively outside, be arranged on each plastic-sealed body two stators with in, leave certain interval between the external rotor, the paired coupling of magnet in the corresponding steel bushing of inner and outer rotors, and in, magnet polarity in the corresponding steel bushing of external rotor is opposite, adopt the stator of winding back-to-back and the effective air gap area that two air gap rotors have increased generator, increased the winding number of turns of motor, make the generating function under lower rotating speed, produce larger electromotive force, reach breeze start-up and start effect.
The utlity model has following advantage:
(1) the back-to-back winding of stator and two gap structures have increased the effective air gap area of motor, have increased the winding wire number of turns of motor, make motor can produce larger electromotive force under lower rotating speed.’‘
(2) motor end winding length is large along with the change of motor diameter and become large, increases the motor path length and recently improves power of motor density thereby can utilize; Simultaneously, end winding less can lower winding resistance, raises the efficiency.
(3) double-rotor machine can significantly improve power density, so just can adopt the lower permanent magnetic material of price, thereby has reduced the expense of permanent magnet.
(4) radially magnetic pull is arranged between motor stator and the rotor, and the opposite direction of the inside and outside magnetic pull of double-rotor machine, both can balance out a part, can be conducive to like this motor stabilizing operation.
(5) on structure; double-rotor machine has been Duoed an internal rotor than external rotor electric machine; when using as wind-driven generator; the advantage that also has the outer-rotor permanent magnet motor generator; the rotor of the annular of rotation can supports permanent magnets, for main flux provides magnetic circuit, makes things convenient for the direct-coupling of wind wheel and generator; the external rotor of annular can be used as the protection lid, reduces environmental hazard to the infringement of motor.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1.A kind of birotor permanent magnetic gentle breeze-driven generator, include the shell 1 of dish type, shell 1 inside has the inner casing 2 of annular, and the place disconnects in the middle of the inner casing 2, also comprise central shaft 3,1 liang of shell face of shell center is separately installed with bearing 4, central shaft 3 is installed in the bearing 4 of shell 1 shell face center to relatively rotate with bearing 4 and cooperates, central shaft 3 one ends stretch out from shell 1 and central shaft 3 external part overcoats have with central shaft 3 external parts and relatively rotate the bearing 5 that cooperates, the bearing 5 outer blade supports 6 of installing for fan blade that are equipped with on central shaft 3 external parts, be arranged in shell 1 dish edge inwall embedding a pair of steel bushing 7 is arranged, the steel bushing 7 interior magnet that are packaged with respectively, be separately installed with external rotor 8 on each steel bushing 7 of shell 1 dish edge inwall, also embed respectively in the inner casing 2 ring edge outer walls of gap both sides have with shell 1 on external rotor 8 positions steel bushing 9 one to one, also be packaged with magnet in the steel bushing 9 of inner casing 2 ring edge, and in, shell 2, magnet polarity in 1 steel bushing is opposite, be separately installed with on the steel bushing 9 of each inner casing 2 ring edge and external rotor 8 internal rotor 10 of corresponding matching one by one, central shaft 3 is arranged on the shaft part of shell 1 neck bush 11 is installed, be connected with two positions on the neck bush 11 symmetrically and in stretching into from inner casing 2 gaps respectively, shell 2, connector 12 between 1, be connected with on each connector 12 and be positioned at, shell 2, plastic-sealed body 13 between 1, in two of each plastic-sealed body 13 correspondences, external rotor 10,8 position is respectively arranged with stator 14, and the stator on the plastic-sealed body 13 14 is respectively with interior, external rotor 10, has the gap between 8.
Shell 1 one side shell faces are set to faucal, the faucal place is equipped with side cover 15, side cover 15 centers, shell 1 opposite side shell face center are separately installed with bearing 4,16, central shaft 3 is installed in the bearing 4,16 at side cover, shell opposite side shell face center, half is connected to inner casing 2 after the disconnection in the shell 1, and second half is connected in the side cover 15.
Central shaft 3 is provided with the sheath 17 that is enclosed within on the central shaft 3 with side cover 15 junctions, and cover has asphalt felt 18 on the sheath 17.
Also be equipped with on the shell 1 shell face at blade support 6 places cover on blade support 6 outer cover down with the wind 19.

Claims (4)

1. birotor permanent magnetic gentle breeze-driven generator, it is characterized in that: the shell that includes dish type, described enclosure has the inner casing of annular, and the place disconnects in the middle of the inner casing, also comprise central shaft, described shell two shell face centers are separately installed with bearing, described central shaft is installed in the bearing of shell shell face center to relatively rotate with bearing and cooperates, central shaft one end stretches out from shell and central shaft external part overcoat has with the central shaft external part and relatively rotates the bearing that cooperates, bearing on the central shaft external part is equipped with the blade support of installing for fan blade outward, be arranged in the embedding of shell dish edge inwall a pair of steel bushing is arranged, be packaged with respectively magnet in the steel bushing, be separately installed with external rotor on each steel bushing of shell dish edge inwall, also embedding respectively in the interior girdle edge outer wall of gap both sides has and the upper outside rotor-position of shell steel bushing one to one, also be packaged with magnet in the steel bushing of interior girdle edge, and in, magnet polarity in the shell steel bushing is opposite, be separately installed with on the steel bushing of girdle edge in each and the external rotor internal rotor of corresponding matching one by one, described central shaft is arranged on the shaft part of shell neck bush is installed, be connected with two positions on the neck bush symmetrically and in stretching into from the inner casing gap respectively, connector between the shell, be connected with on each connector and be positioned at, plastic-sealed body between the shell, in corresponding two of each plastic-sealed body, the position of external rotor is respectively arranged with stator, and the stator on the plastic-sealed body is respectively with interior, has the gap between the external rotor.
2. a kind of birotor permanent magnetic gentle breeze-driven generator according to claim 1, it is characterized in that: described shell one side shell face is set to faucal, the faucal place is equipped with side cover, side cover center, shell opposite side shell face center are separately installed with bearing, described central shaft is installed in the bearing at side cover, shell opposite side shell face center, half connects inner casing after the disconnection in the enclosure, and second half is connected in the side cover.
3. a kind of birotor permanent magnetic gentle breeze-driven generator according to claim 1, it is characterized in that: described central shaft and side cover junction are provided with the sheath that is enclosed within on the central shaft, and cover has asphalt felt on the sheath.
4. a kind of birotor permanent magnetic gentle breeze-driven generator according to claim 1 is characterized in that: also be equipped with on the shell shell face at described blade support place and cover on the outer cover that facings the wind of blade support.
CN 201220248219 2012-05-29 2012-05-29 Dual-rotor permanent-magnet breeze power generator Expired - Fee Related CN202663260U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220248219 CN202663260U (en) 2012-05-29 2012-05-29 Dual-rotor permanent-magnet breeze power generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220248219 CN202663260U (en) 2012-05-29 2012-05-29 Dual-rotor permanent-magnet breeze power generator

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CN202663260U true CN202663260U (en) 2013-01-09

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Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102738983A (en) * 2012-05-29 2012-10-17 滁州恒恩光电科技有限公司 Birotor permanent magnet breeze generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102738983A (en) * 2012-05-29 2012-10-17 滁州恒恩光电科技有限公司 Birotor permanent magnet breeze generator

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130109

Termination date: 20150529

EXPY Termination of patent right or utility model