CN104734437A - Axial opposite magnet rare earth permanent magnet generator - Google Patents
Axial opposite magnet rare earth permanent magnet generator Download PDFInfo
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- CN104734437A CN104734437A CN201510112457.6A CN201510112457A CN104734437A CN 104734437 A CN104734437 A CN 104734437A CN 201510112457 A CN201510112457 A CN 201510112457A CN 104734437 A CN104734437 A CN 104734437A
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- magnetic
- generator
- rare earth
- earth permanent
- rotor
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The invention discloses an axial opposite magnet rare earth permanent magnet generator. The generator is composed of a stator, rotors and a shell. The stator is composed of an iron core, clamping pieces, a winding and clamping discs. Compared with a traditional motor, the iron core consumes a small quantity of materials, is convenient to machine and saves energy in the machining process, the utilization rate of the iron core reaches 100%, the winding consumes a small quantity of materials and is easy to machine, and the clamping pieces and the clamping discs are common machined parts. Each rotor is composed of a magnetic tray and magnetic steel. Through the design, the magnetic trays to which the magnetic steel can be attached also play the flywheel and fan roles, and therefore the weight and size of a generator set can be reduced. Compared with a traditional generator, the generator has the advantages of being small in size, light in weight, high in material utilization rate, high in efficiency and the like.
Description
Technical field
The invention belongs to technical field of generators, relate to a kind of permanent magnet generator, particularly a kind of axially to magnetic rare earth permanent-magnetic generator.
Background technology
Tradition more than 10kW generator was all connected by engine-shaft coupling-generator combination to carry out work in the past, and the utilance of conventional electric generators iron core is low, and consumption is large, and roll off the production line inconvenience.For ensureing that engine crankshaft needs to carry out transmission by shaft coupling with the concentricity of generator shaft when mounted, this makes generating set bulky.
Summary of the invention
The object of the invention is to solve the problem, provide a kind of axially to magnetic rare earth permanent-magnetic generator, this generator, by by rotor, Flywheel disc, fan three-in-one integrated, reaches the object of weight reduction, reduced volume, ventilation and heat.By front and back chuck, stator is locked, be then fixed on bell housing.Forward and backward rotor as yoke, the even mounting magnetic steel of inner surface, and its magnet steel homopolarity is just right.Front rotor is combined by hot jacket with startup gear ring, replaces starting Flywheel disc.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of axially to magnetic rare earth permanent-magnetic generator, comprise stator, front end rotor and the rear end rotor of stator rear and front end and the bell housing that is connected with front end rotor, the iron core arranged in stator and winding are blocked compression and are located through bolt and bell housing is sealed before and after chuck, front end rotor and rear end rotor all arrange magnet steel as the circumferential inner surface of yoke, and the two magnet steel homopolarity is just right; Front end rotor leading portion hot jacket engine start gear ring by strength bolts and engine crankshaft sealed, back segment and rear end rotor by seam and bolt sealed.
Described iron core evenly installs non-magnetic card, and winding is distributed in the corresponding groove of card.
Described iron core adopts takeup type.
Described winding is made up of six sections of envelope curves, and its tail end U1/U2, V1/V2, W1/W2 connect between two.
Described winding multicore enamelled wire is stranded, outside use heatproof, the stacked package of fireproof insulating material belt after being twisted into stock.
Described front end rotor and rear end rotor are made up of magnetic pallet and magnet steel respectively, and magnet steel is taper and uniform, and its spacing is magnet steel end face to 2 ~ 2.5 times of iron core end face.
Described stator be provided with for detection rotor position and pass into the Hall element of electric current at correspondence position.
Compared with prior art, the present invention has following beneficial effect:
Middle power generator is changed into axially to magnetic field, top by original radial magnetic field by the present invention, magnetic circuit: axially-tangential-axially, in Same Efficieney situation, volume ratio conventional electric generators reduces more than 50%, and weight ratio conventional electric generators decreases more than 60%; Iron core changes takeup type into by original silicon steel sheet stack riveting formula, greatly reduces the waste material of processing, easily processes simultaneously; Conventional electric generators inner-core utilance is extremely low, and iron core utilization reaches 100%; Two ends rotor yoke, taper magnet steel is uniform, and gap is 2 ~ 2.5 times of air gap, or spacing be magnet steel end face to 2 times of iron core end face, make leakage field between adjacent magnet steel minimum, simultaneously magnetic circuit loss is also minimum.
Further, iron core of the present invention evenly installs non-magnetic card, and winding is distributed in the corresponding groove of card, outward appearance neat appearance, and card plays wind-guiding effect simultaneously;
Further, winding of the present invention uses multicore enamelled wire stranded, outside use heatproof fireproof insulating material belt stacked package after being twisted into stock, and double hyer insulation is protected, and is easy to again the processing and fabricating of coil simultaneously;
Further, winding of the present invention is formed by six sections of stacked package wire producings, and the six roots of sensation tail end U1/U2, V1/V2, W1/W2 connect between two, and advantage is the electromotive force superposition that coil both ends of the surface can be made to produce; 3 phase windings of composition are Y-connection, improve winding utilization and iron core utilization to the full extent;
Further, rotor of the present invention comprises magnetic pallet and magnet steel, magnetic pallet attachment magnet steel, the magnetic tray portion that the sealed medium lock of two rotors closes also has taken into account the effect of flywheel and fan, in High Rotation Speed, heat is drained into surrounding from center, and take body out of by surrounding louvre, form negative pressure, from end cap central fresh air inlet, cold wind is sucked body, according to the difference of cooling requirements, the size of fan exhaust amount can be changed;
Further, complete machine of the present invention only comprises rotor, stator, shell three parts, reduce relative to conventional electric generators amount of parts, eliminate the shaft coupling in conventional electric generators unit, bearing, fan, startup gear ring, Flywheel disc, improve efficiency and the reliability of generating set;
Further, the present invention, because do not have other bearing can be easy to guarantee the concentricity of engine and generator amature in complete machine simultaneously, provides installation effectiveness on the one hand, also greatly reduces installing space in the axial direction on the other hand.
Further, the present invention, by spelling two products of same size are folded, reaches the object of extended power.
Accompanying drawing explanation
Fig. 1-1 is general assembly structural representation of the present invention;
Fig. 1-2 is the A-A profile of Fig. 1-1;
Fig. 2 is parts schematic diagram of the present invention;
Fig. 3 is total component schematic diagram of the present invention;
Fig. 4 is stator winding U, V, W of the present invention connection diagram between two;
Fig. 5 is that the present invention is to magnetic field, top schematic diagram.
Wherein, 1 is front end rotor assembly; 2 is iron core winding combination stator; 3 is rear end rotor assembly; 1.2 is front end rotor; 1.3 is front end rotor magnetic steel; 2.1 is stator chuck; 2.2 is stator chuck; 2.3 is stator; 3.1 is rear end rotor; 3.2 is rear end rotor magnetic steel; 4 is iron core and winding; 5 is card; 6 is groove; 7 is bell housing.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described in detail:
Shown in Fig. 1 and Fig. 2, the present invention includes stator 2.3, front end rotor 1 and the rear end rotor 3 of stator 2.3 rear and front end and the bell housing 7 that is connected with front end rotor 1, the iron core arranged in stator 2.3 and winding are blocked compression and are located through bolt and bell housing 7 is sealed before and after chuck, front end rotor 1 and rear end rotor 3 all arrange magnet steel as the circumferential inner surface of yoke, and the two magnet steel homopolarity is just right.Rotor is made up of magnetic pallet and magnet steel, and magnet steel is taper and uniform, and its spacing is magnet steel end face to 2 ~ 2.5 times of iron core end face; The rotor at forward and backward two ends by seam and bolt sealed, bearing-free reduces friction, and linkage section is double simultaneously makees fan; Iron core evenly installs non-magnetic card 5, winding is distributed in the corresponding groove of card 6, and winding is made up of six sections of envelope curves, and its tail end U1/U2, V1/V2, W1/W2 connect between two, winding multicore enamelled wire is stranded, outside use heatproof, the stacked package of fireproof insulating material belt after being twisted into stock; Front end rotor 1 leading portion hot jacket engine start gear ring by strength bolts and engine crankshaft sealed, back segment and rear end rotor 3 by seam and bolt sealed.The present invention replaces the starter motor of engine to complete the startup of engine, the stator of engine is installed Hall element detection rotor position and passes into electric current in the position of correspondence, and rotor rotary engine cuts off electric current after starting, and proceeds to generator operation mode.
Structural principle of the present invention
The present invention is made up of two rotors of front-end and back-end, the stator 2.3 blocked by front and back chuck, bell housing 7 three parts.As Fig. 5, the present invention adopts axially to magnetic field, top, and magnetic circuit direction is: axially-tangential-axially.As Fig. 3, from rotor design, the front end rotor 1 of both sides of the present invention and rear end rotor 3 are as yoke, front end rotor magnetic steel 1.3 and rear end rotor magnetic steel 3.2 are distributed in respective yoke circumferential inner surface, gap is 2 ~ 2.5 times of air gap, front end rotor magnetic steel 1.3 and rear end rotor magnetic steel 3.2 homopolarity just right, two rotors are sealed, and middle locked portions (see Fig. 5) plays the effect of axial location flywheel and fan.As Fig. 4, stator combination design of the present invention, iron core winding evenly installs non-magnetic card 5, winding is distributed in the corresponding groove of card 6, and coil adopts six sections of envelope curves (namely first using multicore enamelled wire stranded, outside use high-temperature resistant fire prevention mica tape stacked package after being twisted into stock) to make, the six roots of sensation tail end U1/U2, V1/V2, W1/W2 connect between two, under the effect of both sides magnet steel, the electromotive force superposition that coil both sides produce, improves winding utilization to the full extent.Card and chuck are common process part.When starting, in starter motor fault or be inconvenient to the occasion of installing starter motor, generator can replace the starter motor of engine to complete the startup of engine, the stator of generator is installed Hall element detection rotor position and passes into electric current in the position of correspondence, rotor rotary engine cuts off electric current after starting, and proceeds to generator operation mode
Above content is only and technological thought of the present invention is described; protection scope of the present invention can not be limited with this; every technological thought proposed according to the present invention, any change that technical scheme basis is done, within the protection range all falling into claims of the present invention.
Claims (7)
1. an axis is to magnetic rare earth permanent-magnetic generator, it is characterized in that: comprise stator (2.3), front end rotor (1) and the rear end rotor (3) of stator (2.3) rear and front end and the bell housing (7) that is connected with front end rotor (1), the iron core arranged in stator (2.3) and winding are blocked compression and are located through bolt and bell housing (7) is sealed before and after chuck, front end rotor (1) and rear end rotor (3) all arrange magnet steel as the circumferential inner surface of yoke, and the two magnet steel homopolarity is just right; Front end rotor (1) leading portion hot jacket engine start gear ring by strength bolts and engine crankshaft sealed, back segment and rear end rotor (3) by seam and bolt sealed.
2. axis according to claim 1 is to magnetic rare earth permanent-magnetic generator, it is characterized in that: described iron core evenly installs non-magnetic card (5), and winding is distributed in the corresponding groove of card (6).
3. axis according to claim 2 is to magnetic rare earth permanent-magnetic generator, it is characterized in that: described iron core adopts takeup type.
4. the axis according to claim 1 or 2 or 3 is to magnetic rare earth permanent-magnetic generator, and it is characterized in that: described winding is made up of six sections of envelope curves, its tail end U1/U2, V1/V2, W1/W2 connect between two.
5. the axis according to claim 1 or 2 or 3, to magnetic rare earth permanent-magnetic generator, is characterized in that: described winding multicore enamelled wire is stranded, outside use heatproof, the stacked package of fireproof insulating material belt after being twisted into stock.
6. axis according to claim 1 is to magnetic rare earth permanent-magnetic generator, it is characterized in that: described front end rotor (1) and rear end rotor (3) are made up of magnetic pallet and magnet steel respectively, magnet steel is taper and uniform, and its spacing is magnet steel end face to 2 ~ 2.5 times of iron core end face.
7. axis according to claim 1 is to magnetic rare earth permanent-magnetic generator, it is characterized in that: described stator (2.3) be provided with for detection rotor position and pass into the Hall element of electric current at correspondence position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112457.6A CN104734437A (en) | 2015-03-13 | 2015-03-13 | Axial opposite magnet rare earth permanent magnet generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112457.6A CN104734437A (en) | 2015-03-13 | 2015-03-13 | Axial opposite magnet rare earth permanent magnet generator |
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| Publication Number | Publication Date |
|---|---|
| CN104734437A true CN104734437A (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510112457.6A Pending CN104734437A (en) | 2015-03-13 | 2015-03-13 | Axial opposite magnet rare earth permanent magnet generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787536A (en) * | 2017-01-19 | 2017-05-31 | 三禾电器(福建)有限公司 | One kind is coaxially nested with bi-motor structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951106A (en) * | 2010-08-06 | 2011-01-19 | 深圳创维－Rgb电子有限公司 | Ultrathin high-power direct current magnetoelectric motor |
| CN202121468U (en) * | 2011-06-07 | 2012-01-18 | 邓巍 | Disc-type permanent magnet synchronous generator for air conditioner of coach |
| CN203734485U (en) * | 2013-12-10 | 2014-07-23 | 西安德赛控制系统有限责任公司 | Overlapping type axial double magnetic rare earth permanent magnet generator |
| WO2014121466A1 (en) * | 2013-02-06 | 2014-08-14 | 浙江博望科技发展有限公司 | Disk-type three-phase brushless permanent magnet direct current motor |
| CN204597738U (en) * | 2015-03-13 | 2015-08-26 | 中国人民解放军总后勤部建筑工程研究所 | Axially to magnetic rare earth permanent-magnetic generator |
-
2015
- 2015-03-13 CN CN201510112457.6A patent/CN104734437A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951106A (en) * | 2010-08-06 | 2011-01-19 | 深圳创维－Rgb电子有限公司 | Ultrathin high-power direct current magnetoelectric motor |
| CN202121468U (en) * | 2011-06-07 | 2012-01-18 | 邓巍 | Disc-type permanent magnet synchronous generator for air conditioner of coach |
| WO2014121466A1 (en) * | 2013-02-06 | 2014-08-14 | 浙江博望科技发展有限公司 | Disk-type three-phase brushless permanent magnet direct current motor |
| CN203734485U (en) * | 2013-12-10 | 2014-07-23 | 西安德赛控制系统有限责任公司 | Overlapping type axial double magnetic rare earth permanent magnet generator |
| CN204597738U (en) * | 2015-03-13 | 2015-08-26 | 中国人民解放军总后勤部建筑工程研究所 | Axially to magnetic rare earth permanent-magnetic generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787536A (en) * | 2017-01-19 | 2017-05-31 | 三禾电器(福建)有限公司 | One kind is coaxially nested with bi-motor structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150624 |