CN109149795A - A kind of generator armature and generator - Google Patents

A kind of generator armature and generator Download PDF

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Publication number
CN109149795A
CN109149795A CN201710458507.5A CN201710458507A CN109149795A CN 109149795 A CN109149795 A CN 109149795A CN 201710458507 A CN201710458507 A CN 201710458507A CN 109149795 A CN109149795 A CN 109149795A
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CN
China
Prior art keywords
armature
generator
tooth
magnetic resistance
resistance part
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Pending
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CN201710458507.5A
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Chinese (zh)
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李伟
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Individual
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Individual
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Priority to CN201710458507.5A priority Critical patent/CN109149795A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction

Abstract

The present invention relates to a kind of generator armature and generators.Generator of the invention includes generator armature, generator armature includes the armature magnetic yoke and armature tooth of split settings, armature winding is wound in armature tooth, the reluctance gap for reducing armature reacting field is additionally provided between armature tooth and armature magnetic yoke, the setting of reluctance gap is so that the armature magnetomotive force that armature winding generates is obviously reduced, and then reduce influence of the armature magnetomotive force to main pole magnetic field, reduce armature-reaction, reduce electromagnetic torque, and then reduce the resistance of generator amature, the energy consumption for reducing generator, improves the generating efficiency of generator.

Description

A kind of generator armature and generator
Technical field
The present invention relates to a kind of generator armature and generators.
Background technique
With the rapid development of economy, the energy has become required important material base for people's lives, generator is used as will Other energy are changed into the important equipment of electric energy, and generating efficiency, energy consumption are constantly subjected to the extensive concern of people.Generator Basic principle can be understood as back traverse cutting magnetic line can generate electric current in back traverse, be sent out by other driven by energy The rotor of motor rotates, to make conducting wire and magnetic line of force relative motion, to generate electric current in armature winding.Generator armature Be electric energy and when mechanical energy mutually convert from pivotal role component, equipped with conducting wire, phase of the conducting wire to magnetic field in generator armature Induced electromotive force can be generated in conducting wire to movement, the closing of polygon can generate electric current in back traverse, and generator armature can To be equipped with the rotor of conducting wire (winding), it is also possible to the stator equipped with conducting wire (winding).
The armature of conventional electric generators generates new again after generating electromotive force and generating electric current in the windings, around winding Armature magnetomotive force, the armature magnetomotive force can generate main pole magnetic field when armature winding no power (i.e. the magnetic field that generates of magnetic pole) certain It influences, i.e. armature-reaction, armature-reaction is proportional with electromagnetic torque, and inductive reaction is bigger, and electromagnetic torque is bigger, increases The resistance of generator amature rotation, the generating efficiency for increasing energy consumption, reducing generator.
Therefore, how reducing armature-reaction to reduce electromagnetic torque will reduce generator energy consumption, raising generator efficiency Important research direction.
Summary of the invention
The purpose of the present invention is to provide a kind of generators, lead to the function that generates electricity to solve existing generator armature reaction The technical problem that consumption is high, generating efficiency is low;The object of the invention is also to provide a kind of generator armatures.
To achieve the above object, generator armature of the invention adopts the following technical scheme that:
Technical solution 1: generator armature includes the armature magnetic yoke and armature tooth of split settings, be wound in armature tooth armature around Group is additionally provided with the reluctance gap for reducing armature reacting field between armature tooth and armature magnetic yoke.
Technical solution 2: on the basis of technical solution 1, magnetic resistance part is equipped in the reluctance gap.
Technical solution 3: on the basis of technical solution 2, the material of the magnetic resistance part is austenitic stainless steel.
Technical solution 4: on the basis of technical solution 2 or 3, between the magnetic resistance part and armature magnetic yoke and/or magnetic resistance part It is cooperated between armature tooth by convex-concave structure to realize mutual connection.
Technical solution 5: on the basis of technical solution 4, the convex-concave structure be dovetail groove, forked tail platform or half slot, Half rotary table.
Technical solution 6: on the basis of technical solution 5, the armature tooth is monodentate shape, and armature tooth is inlaid in the magnetic resistance On part.
Technical solution 7: on the basis of technical solution 5, the armature tooth is that part connects toothing, and the number of teeth has 2 ~ 5, Part, which connects tooth while passing through semicircle and swallow-tail form structure, to be inlaid on magnetic resistance part, and semicircle and swallow-tail form structure constitutes institute State convex-concave structure.
Technical solution 8: on the basis of technical solution 5, the armature tooth is annular even toothing, including annulus and one Tooth on the periphery of annulus is set, and tooth and magnetic resistance part pass through swallow-tail form simultaneously and semicircular structure cooperates, swallow-tail form The convex-concave structure is constituted with semicircular structure.
Technical solution 9: on the basis of technical solution 2 or 3, the armature tooth, armature magnetic yoke and magnetic resistance part are lamination Formula structure, and both ends by the armature tabletting being overlapped in axial direction with the shape that three is composed limit fixation to it after being superimposed.
Technical solution 10: on the basis of technical solution 9, the material of the armature tabletting is non-magnetic austenite stainless Steel, and it is with a thickness of 0.5 ~ 2mm.
Technical solution 11: on the basis of technical solution 1-3 any one, the armature tooth is equipped with armature tooth socket, electricity Armature tooth slot is semi-closed slot, semi-open slot or open slot, and armature tooth socket is provided with the slot wedge of fixed armature winding.
Technical solution 12: on the basis of technical solution 1-3 any one, the width of the reluctance gap is 5 ~ 150mm.
Generator of the invention adopts the following technical scheme that
Technical solution 1: generator includes generator armature, and generator armature includes the armature magnetic yoke and armature tooth of split settings, It is wound with armature winding in armature tooth, is additionally provided between armature tooth and armature magnetic yoke between the magnetic resistance for reducing armature reacting field Gap.
Technical solution 2: on the basis of technical solution 1, magnetic resistance part is equipped in the reluctance gap.
Technical solution 3: on the basis of technical solution 2, the material of the magnetic resistance part is austenitic stainless steel.
Technical solution 4: on the basis of technical solution 2 or 3, between the magnetic resistance part and armature magnetic yoke and/or magnetic resistance part It is cooperated between armature tooth by convex-concave structure to realize mutual connection.
Technical solution 5: on the basis of technical solution 4, the convex-concave structure be dovetail groove, forked tail platform or half slot, Half rotary table.
Technical solution 6: on the basis of technical solution 5, the armature tooth is monodentate shape, and armature tooth is inlaid in the magnetic resistance On part.
Technical solution 7: on the basis of technical solution 5, the armature tooth is that part connects toothing, and the number of teeth has 2 ~ 5, Part, which connects tooth while passing through semicircle and swallow-tail form structure, to be inlaid on magnetic resistance part, and semicircle and swallow-tail form structure constitutes institute State convex-concave structure.
Technical solution 8: on the basis of technical solution 5, the armature tooth is annular even toothing, including annulus and one Tooth on the periphery of annulus is set, and tooth and magnetic resistance part pass through swallow-tail form simultaneously and semicircular structure cooperates, swallow-tail form The convex-concave structure is constituted with semicircular structure.
Technical solution 9: on the basis of technical solution 2 or 3, the armature tooth, armature magnetic yoke and magnetic resistance part are lamination Formula structure, and both ends by the armature tabletting being overlapped in axial direction with the shape that three is composed limit fixation to it after being superimposed.
Technical solution 10: on the basis of technical solution 9, the material of the armature tabletting is non-magnetic austenite stainless Steel, and it is with a thickness of 0.5 ~ 2mm.
Technical solution 11: on the basis of technical solution 1-3 any one, the armature tooth is equipped with armature tooth socket, electricity Armature tooth slot is semi-closed slot, semi-open slot or open slot, and armature tooth socket is provided with the slot wedge of fixed armature winding.
Technical solution 12: on the basis of technical solution 1-3 any one, the width of the reluctance gap is 5 ~ 150mm.
The beneficial effects of the present invention are: generator of the invention includes generator armature, generator armature is set including fission The armature magnetic yoke and armature tooth set are wound with armature winding in armature tooth, are additionally provided between armature tooth and armature magnetic yoke for dropping The reluctance gap of low armature reacting field, the setting of reluctance gap is so that the armature magnetomotive force that armature winding generates significantly is subtracted It is weak, and then reduce influence of the armature magnetomotive force to main pole magnetic field, that is, reduce armature-reaction, reduces electromagnetic torque, and then reduce hair The resistance of rotor reduces the energy consumption of generator, improves the generating efficiency of generator.
Further, not only magnetic resistance performance is good for the setting of magnetic resistance part, but also magnetic resistance part is alternatively arranged as the mounting rack of armature tooth, The installation of armature tooth is facilitated to position.
Further, armature tooth is monodentate shape, and monodentate is more convenient in processing, transport and installation process.
Further, armature tooth, armature magnetic yoke and magnetic resistance part are that laminated structure is formed by stacking, so that its thickness adjusts ten It is convenient to divide.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that armature in the embodiment 1 of generator of the invention is armature rotor;
Fig. 2 is the partial structure diagram of the armature rotor in Fig. 1;
Fig. 3 is the structural schematic diagram that armature in the embodiment 2 of generator of the invention is stator armature;
Fig. 4 is the partial structure diagram of the stator armature in Fig. 3;
Fig. 5 is the structural schematic diagram of the armature rotor of the embodiment 3 of generator of the invention;
Fig. 6 is the structural schematic diagram of the stator armature in the embodiment 4 of generator of the invention;
In figure: 1- armature magnetic yoke, 2- magnetic resistance part, 3- armature tooth, 4- armature winding, 5- armature tabletting, 6- dovetail groove, 7- semicircle Slot, 8-V shape locating slot.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment 1 of generator of the invention: as shown in Figure 1 to Figure 2, generator include armature rotor and stator and The structural members such as other racks, stator and other structural members are the prior art, are repeated no more.Armature rotor includes shaft, in shaft Armature magnetic yoke 1 made of cyclic annular silicon steel sheet overlapping is installed, the inner circle punching of magnetic yoke has locating slot and by positioning key and shaft phase To fixation.The outer circle punching of armature magnetic yoke 1 has positioning dovetail groove 6, and 1 periphery of armature magnetic yoke passes through positioning dovetail groove 6 and cricoid magnetic The forked tail platform of resistor 2 is cooperatively connected, and laminated structure is made by non-magnetic austenitic stainless steel or copper alloy in magnetic resistance part 2, mutually folded Add into reluctance gap.The periphery punching of magnetic resistance part 2 has locating slot, and punching has half slot 7 or half knuckle-tooth, armature on the two sides of locating slot Also punching has half knuckle-tooth and half slot 7 being adapted to therewith at the corresponding tooth root of tooth 3, and armature tooth 3 is mounted on the locating slot of magnetic resistance part 2 In, and armature tooth 3 is also that multi-disc bar shaped silicon steel sheet is formed by stacking.The width of magnetic resistance part 2 between armature tooth 3 and armature magnetic yoke 1 The as width of reluctance gap, the size of reluctance gap is between 5 ~ 150mm.It is equipped in the side of the close tooth top of armature tooth 3 Armature tooth socket, armature tooth socket are semi-closed slot, plate open slot or open slot, and the present embodiment is the V-arrangement locating slot using opening 8, it is used for fixed armature winding 4.Armature winding 4 is wound in space between armature tooth 3 and armature tooth 3, i.e. armature winding 4 is inlayed It is fixed in the slot of armature tooth 3 and through the slot wedge in armature tooth socket.Armature winding 4 and generator windings in the prior art Structure is identical, repeats no more.The silicon steel sheet of armature magnetic yoke 1, the stainless steel substrates of magnetic resistance part 2, armature tooth 3 silicon steel sheet thickness Identical and fixation is in one plane.Pass through two armature tablettings 5 at the both ends of every group of armature magnetic yoke 1- magnetic resistance part 2- armature tooth 3 The unit group being formed by stacking is fixed in shaft.The inner circle of armature tabletting 5 and slot and the inner circle of armature magnetic yoke 1 in inner circle The shape of size, shape and locating slot is identical, can be cooperated by positioning key and shaft.The outer circle of armature tabletting 5 On slot geomery and armature tooth 3 and the geomery that forms of 2 periphery of magnetic resistance part it is identical, i.e. the periphery shape of armature tabletting 5 The peripheral shape that shape is formed with armature tooth 3 and magnetic resistance part 2 is completely coincident.Armature tabletting 5 is by armature tooth 3- armature magnetic yoke 1- magnetic resistance The combination of part 2 is laminated along the axial grouping of shaft, and to reinforce mechanical strength, every group of the piece number is 10-100 piece, armature tabletting 5 With a thickness of 0.5-2mm, 5 material of armature tabletting is non-magnetic austenitic stainless steel, has good mechanical strength.
The generator of the present embodiment is at work: the armature winding 4 of armature rotor is located at magnetic pole of the stator and is formed by main pole In magnetic field, when other energy drive shaft rotation, armature winding 4 on the rotor cutting magnetic line in main pole magnetic field generates electricity Kinetic potential, when generator bringing onto load, armature winding 4 flows through electric current and generates armature-reaction, the armature-reaction by armature magnetic yoke, Air gap and magnetic pole of the stator magnetic linkage between magnetic resistance part and rotor, due to the magnetic resistance effect for the air gap section that magnetic resistance part is formed, so that The armature-reaction is effectively weakened compared with existing generator armature reacts, and the electromagnetic torque of generator is proportional to electricity Pivot reaction, then, weakening armature-reaction is exactly to reduce electromagnetic torque, achievees the purpose that improve electrical power generators efficiency.
The embodiment 2 of generator of the invention: as shown in Figure 3-4, the present embodiment difference from example 1 is that, The armature of the generator is stator armature, and armature magnetic yoke 1 is located at periphery, and armature magnetic yoke 1 is that cyclic annular silicon steel sheet is formed by stacking, armature Punching has positioning dovetail groove 6 on the inside and outside circle of magnetic yoke 1, and wherein outer circle dovetail groove 6 is fixed on the positioning bar of casing, inner circle dovetail groove 6 connect with magnetic resistance part 2, and armature tooth 3 is two company's dentations, and the two tooth root bottoms for connecting teeth are equipped with dovetail groove 6, the two sides of tooth root are equipped with half Circular groove 7, armature tooth 3 are connect by dovetail groove 6 and half slot 7 with magnetic resistance part 2, and two company's teeth of armature tooth 3 are answered when axially laminating The correct superposition for guaranteeing company's tooth of each layer, cannot misplace, i.e., the two of adjacent two layers cannot be made to connect tooth and mutually overlapped, to avoid and encourage Magnetic magnetic flux short circuit phenomenon.Armature magnetic yoke 1 is in small generator using the cyclic structure of one, when generator is larger, armature Magnetic yoke 1 can be assembled into annular shape by muti-piece sector.At work, working principle is same as Example 1 for generator of the invention, It repeats no more.
The embodiment 3 of generator of the invention: as shown in figure 5, the present embodiment difference from example 1 is that, electricity Armature tooth 3 is that cyclic annular even toothing, the radial width between tooth and tooth are set as 2-30mm.Electricity is integrally formed i.e. on the periphery of annulus Armature tooth 3, punching has half slot 7 for connecting with magnetic resistance part 2 in inner circle, can also open up certainly the lesser dovetail groove 6 of size or The link slot of other shapes.
The embodiment 4 of generator of the invention: as shown in fig. 6, with embodiment 3 the difference is that, the electricity of generator Pivot is stator armature, and the periphery of armature magnetic yoke 1 is fixed on casing positioning bar by dovetail groove 6, and inner circumferential passes through dovetail groove 6 and magnetic Resistor 2 connects, and the inner circumferential of magnetic resistance part 2 is connect by dovetail groove 6 with the periphery of the cyclic annular even armature tooth 3 of toothing.
In other embodiments, the shape of dovetail groove, half slot and V-arrangement locating slot is also not necessarily limited to this, also can be replaced it His shape, if dovetail groove replaces with T-slot, half slot replaces with rectangular channel, and V-shaped groove replaces with arc groove etc.;In reluctance gap The magnetic resistance part of the austenitic stainless steel of setting also can be replaced other, for example, replace with plastics, ceramics even what be all not provided with, By air as magnetic resistance medium.
Each implementation of the embodiment of generator armature of the invention and the armature in each embodiment of generator of the invention Example is identical, repeats no more.

Claims (10)

1. generator armature, characterized in that armature magnetic yoke and armature tooth including split settings, be wound in armature tooth armature around Group is additionally provided with the reluctance gap for reducing armature reacting field between armature tooth and armature magnetic yoke.
2. generator armature according to claim 1, characterized in that be equipped with magnetic resistance part in the reluctance gap.
3. generator armature according to claim 2, characterized in that the material of the magnetic resistance part is austenitic stainless steel.
4. generator armature according to claim 2 or 3, characterized in that between the magnetic resistance part and armature magnetic yoke and/or It is cooperated between magnetic resistance part and armature tooth by convex-concave structure to realize mutual connection.
5. generator armature according to claim 4, characterized in that the convex-concave structure be dovetail groove, forked tail platform or Half slot, half rotary table.
6. generator armature according to claim 5, characterized in that the armature tooth is monodentate shape, and armature tooth is inlaid in On the magnetic resistance part.
7. generator armature according to claim 5, characterized in that the armature tooth is that part connects toothing, and the number of teeth There are 2 ~ 5, partially connects tooth while passing through semicircle and swallow-tail form structure and be inlaid on magnetic resistance part, semicircle and swallow-tail form knot Structure constitutes the convex-concave structure.
8. generator armature according to claim 5, characterized in that the armature tooth is annular even toothing, including circle Ring and the tooth being integrally disposed upon on the periphery of annulus, tooth pass through swallow-tail form and semicircular structure phase interworking with magnetic resistance part simultaneously It closes, swallow-tail form and semicircular structure constitute the convex-concave structure.
9. generator armature according to claim 2 or 3, characterized in that the armature tooth, armature magnetic yoke and magnetic resistance part are equal For laminated structure, and both ends limit it by the armature tabletting being overlapped in axial direction with the shape that three is composed after being superimposed It is fixed.
10. generator, including armature, the armature is generator armature described in the claims 1-9 any one.
CN201710458507.5A 2017-06-16 2017-06-16 A kind of generator armature and generator Pending CN109149795A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710458507.5A CN109149795A (en) 2017-06-16 2017-06-16 A kind of generator armature and generator

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Application Number Priority Date Filing Date Title
CN201710458507.5A CN109149795A (en) 2017-06-16 2017-06-16 A kind of generator armature and generator

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CN109149795A true CN109149795A (en) 2019-01-04

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003164125A (en) * 2001-11-27 2003-06-06 Denso Corp Both sided air gap type rotary electric machine
JP2009005445A (en) * 2007-06-20 2009-01-08 Kura Gijutsu Kenkyusho:Kk Field control electromagnetic rotation system
CN105141104A (en) * 2015-10-22 2015-12-09 山东大学 Yoke excitation winding high power density hybrid excitation permanent magnet linear generator
CN105186750A (en) * 2015-10-22 2015-12-23 山东大学 Hybrid excitation permanent magnet linear generator with duplex windings on yokes
CN105207436A (en) * 2015-10-22 2015-12-30 山东大学 Annular yoke armature winding high-power-density mixed excitation permanent magnet motor
JP2016093052A (en) * 2014-11-10 2016-05-23 株式会社デンソー Rotary electric machine
CN206894367U (en) * 2017-06-16 2018-01-16 李伟 Generator armature and generator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003164125A (en) * 2001-11-27 2003-06-06 Denso Corp Both sided air gap type rotary electric machine
JP2009005445A (en) * 2007-06-20 2009-01-08 Kura Gijutsu Kenkyusho:Kk Field control electromagnetic rotation system
JP2016093052A (en) * 2014-11-10 2016-05-23 株式会社デンソー Rotary electric machine
CN105141104A (en) * 2015-10-22 2015-12-09 山东大学 Yoke excitation winding high power density hybrid excitation permanent magnet linear generator
CN105186750A (en) * 2015-10-22 2015-12-23 山东大学 Hybrid excitation permanent magnet linear generator with duplex windings on yokes
CN105207436A (en) * 2015-10-22 2015-12-30 山东大学 Annular yoke armature winding high-power-density mixed excitation permanent magnet motor
CN206894367U (en) * 2017-06-16 2018-01-16 李伟 Generator armature and generator

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