CN114142701B - Back-to-back multiple excitation hybrid generator based on homodromous electromagnetic pole coupling - Google Patents
Back-to-back multiple excitation hybrid generator based on homodromous electromagnetic pole coupling Download PDFInfo
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- CN114142701B CN114142701B CN202111426897.0A CN202111426897A CN114142701B CN 114142701 B CN114142701 B CN 114142701B CN 202111426897 A CN202111426897 A CN 202111426897A CN 114142701 B CN114142701 B CN 114142701B
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- 230000005284 excitation Effects 0.000 title claims abstract description 126
- 230000008878 coupling Effects 0.000 title claims abstract description 17
- 238000010168 coupling process Methods 0.000 title claims abstract description 17
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 17
- 238000010248 power generation Methods 0.000 claims abstract description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 38
- 238000009434 installation Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 description 22
- 239000000725 suspension Substances 0.000 description 10
- 230000004907 flux Effects 0.000 description 7
- 238000005339 levitation Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The back-to-back multiple excitation hybrid generator based on the same-direction electromagnetic pole coupling is characterized in that the structure of the electric excitation part and the permanent magnet power generation part and the overall layout of the electric excitation part and the permanent magnet power generation part are optimized through the electric excitation part and the permanent magnet power generation part which are arranged back-to-back, and the structure of the electric excitation part and the permanent magnet power generation part and the overall layout of the electric excitation part and the permanent magnet power generation part are optimized, so that the magnetic efficiency and the magnetic utilization rate of electric excitation are improved, and the electric generator has the characteristics of high power density and excellent electric output characteristic; meanwhile, by matching with related power electronic means, the system cost can be greatly reduced, the overall efficiency is improved, the device is more suitable for application in related occasions such as aerospace and the like, and the applicability of the structure is improved.
Description
Technical Field
The invention belongs to the technical field of generators, and particularly relates to a back-to-back multiple excitation hybrid generator based on homodromous electromagnetic pole coupling.
Background
The permanent magnet and electric excitation hybrid generator structure has the advantages of wide output voltage adjustable range and flexible control variable matching, and can be widely applied to various fields of aviation industry, high-speed generators, electric vehicles, traction transportation and the like.
The combined structure of permanent magnet and electric excitation is the core part of the generator, and mainly relates to permanent magnet structural design, electromagnetic structural design and corresponding magnetic circuit design. Different electromagnetic circuits and mechanical structures can lead to different motor performance, as well as different reliability and maintainability. The reasonable structural layout not only improves the system efficiency, but also provides a foundation for flexible application of power electronic means, thereby improving the overall system performance and fully playing the superiority of the motor body characteristic and the power electronic hybrid control.
The Chinese patent of the invention discloses a disk type three-degree-of-freedom magnetic suspension switch reluctance motor (publication number: CN 108809023B), which comprises a stator and a double-disk type rotor, wherein the stator comprises an axial stator core, a permanent magnet ring and a radial stator core which are coaxially and sequentially connected from outside to inside; axial suspension teeth are distributed at the two axial ends of the axial stator core, a plurality of axial torque teeth are uniformly distributed between adjacent axial suspension teeth through axial magnetism isolating blocks, and an axial suspension winding and an axial torque winding are respectively wound on the axial suspension teeth and the axial torque teeth; radial suspension teeth are arranged on the inner circumference of the radial stator core, radial torque teeth are uniformly distributed between adjacent radial suspension teeth through radial magnetism isolating blocks, and radial suspension windings and radial torque windings are respectively wound on the radial suspension teeth and the radial torque teeth; the double-disc rotor consists of a rotor core, a disc rotor and a rotating shaft, wherein the inner end of the disc rotor is provided with axial rotor teeth, and the middle part of the rotor core is provided with radial rotor teeth; but mainly comprises a permanent magnet ring which is arranged between an axial stator core and a radial stator core and magnetized along the radial direction and provides bias magnetic flux; the axial levitation winding generates axial levitation control magnetic flux after being electrified, the radial levitation winding generates radial levitation control magnetic flux after being electrified, and the radial levitation control magnetic flux and the axial levitation magnetic flux respectively interact with the bias magnetic flux to generate levitation force for enabling the rotor to suspend stably in the radial direction and the axial direction; compared with a bearingless switch reluctance motor with two sets of windings on each stator tooth, the suspension control and the torque control are mutually independent, the control is simple and easy to realize; compared with a three-degree-of-freedom bearingless switched reluctance motor consisting of an axial magnetic bearing and a two-degree-of-freedom bearingless switched reluctance motor, the axial length is shorter, higher-speed and higher-power operation can be realized, fewer displacement sensors are needed, driving circuits are fewer, and the control system has the characteristic of simple hardware and is not designed for excitation mixing.
The Chinese patent of the invention discloses a pi-type hybrid excitation doubly salient motor (publication number: CN 108808895A), which comprises: the stator and the rotor are coaxially arranged, the stator comprises 6 pi-shaped stator core punching sheets spliced together, permanent magnets and exciting winding attachment iron cores are sequentially arranged among the 6 pi-shaped stator core punching sheets at intervals, exciting windings are wound on the exciting winding attachment iron cores, and armature windings are wound on salient pole teeth of the pi-shaped stator core punching sheets; the pi-type hybrid excitation doubly salient motor enables electromagnetic characteristics of three-phase windings to be balanced, and torque pulsation of the motor is effectively reduced; although the method adopts a mixed excitation mode of electric excitation and permanent magnet excitation, the method solves the problem that the distances between all coils of the three-phase winding and the permanent magnet are uneven.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a back-to-back multiple excitation hybrid generator based on homodromous electromagnetic pole coupling, which fully optimizes the structures of an electric excitation and a permanent magnet and the overall layout of the two structures, so that the magnetic efficiency and the magnetic utilization rate of the electric excitation are improved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the back-to-back multiple excitation hybrid generator based on the same-direction electromagnetic pole coupling comprises an electric excitation part and a permanent magnet power generation part which are arranged back-to-back, wherein the permanent magnet power generation parts are symmetrically arranged at two ends of the electric excitation part;
the electric excitation part comprises an electric excitation source, a magnetic conduction bridge rotor and a magnetic conduction bridge shell, wherein the electric excitation source is coaxially sleeved at the center of the magnetic conduction bridge rotor, electric excitation teeth are symmetrically arranged at two ends of the magnetic conduction bridge rotor, the magnetic conduction bridge shell is radially sleeved at the outer side of the electric excitation source, and the electric excitation source is fixed with the magnetic conduction bridge shell through an insulating mounting assembly;
the permanent magnet power generation part at each end comprises a permanent magnet installation base, an annular permanent magnet arranged on the permanent magnet installation base along the circumferential direction and a permanent magnet shell arranged on the outer side of the annular permanent magnet along the radial direction, the magnetic poles of the annular permanent magnet are installed in a staggered manner, an iron core is also arranged between the annular permanent magnet and the permanent magnet shell, and the length of the iron core extends from an electric excitation tooth to the annular permanent magnet along the axial direction;
and magnetic circuit isolating sheets are arranged between the electric excitation teeth and the adjacent annular permanent magnets at intervals.
The number of the magnetic poles of the electric excitation teeth is half of that of the annular permanent magnets, and the magnetic poles of the electric excitation teeth are corresponding to those of the annular permanent magnets in a staggered manner.
The stagger angle of the magnetic poles of the electric excitation teeth and the magnetic poles of the annular permanent magnets is 0-10 degrees.
The magnetic conduction bridge shell is of a barrel-shaped structure and is symmetrically arranged on the outer sides of iron cores at two ends.
The iron core at each end takes a magnetic circuit isolation sheet as a division point, the iron core corresponding to the electric excitation tooth along the axial direction is defined as an electric excitation iron core, and the iron core corresponding to the annular permanent magnet along the axial direction is defined as a permanent magnet iron core;
the electromagnetic assembly comprises an electromagnetic assembly, an electromagnetic excitation source, an electromagnetic excitation iron core and a magnetic conduction bridge shell, wherein the magnetic conduction bridge rotor is the rotor part of the electromagnetic assembly, and the magnetic conduction bridge rotor, the electromagnetic excitation teeth, a magnetic circuit separation sheet and a permanent magnet mounting base are concentrically fixed on a rotating shaft.
The electric excitation source comprises an electromagnetic coil and an electromagnetic sleeve, and the electromagnetic coil is concentrically arranged in the electromagnetic sleeve.
The magnetic conduction bridge shell and the permanent magnet shell are non-magnetic conduction structural members.
The beneficial effects of the invention are as follows:
(1) The back-to-back multiple excitation hybrid generator based on the same-direction electromagnetic pole coupling is characterized in that the structure of the electric excitation part and the permanent magnet power generation part and the overall layout of the electric excitation part and the permanent magnet power generation part are optimized through the electric excitation part and the permanent magnet power generation part which are arranged back-to-back, and the structure of the electric excitation part and the permanent magnet power generation part and the overall layout of the electric excitation part and the permanent magnet power generation part are optimized, so that the magnetic efficiency and the magnetic utilization rate of electric excitation are improved, and the electric generator has the characteristics of high power density and excellent electric output characteristic; meanwhile, by matching with related power electronic means, the system cost can be greatly reduced, the overall efficiency is improved, the device is more suitable for application in related occasions such as aerospace and the like, and the applicability of the structure is improved.
(2) The electromagnetic utilization rate is improved as a whole, the magnetic field coupling separation is obvious in structure, the single-phase performance is generally presented in the control of the electric excitation, and the complexity of the system control is reduced; the permanent magnets back-to-back increase the overall energy output capability, i.e. the power density.
(3) The magnetic bridge rotor of the electric excitation part and the annular permanent magnet are coaxially and equidirectionally arranged, so that the generator has typical output characteristics, and the system output characteristic is more excellent by matching with a related power electronic topological structure.
(4) Because the electric excitation electrodes are arranged in a central symmetry way, the structure has the heat radiation advantage under the same output power, namely, the heat performance and the heat applicability of the system are improved.
(5) Because of the electric excitation bilateral coupling, the whole electromagnetic coupling degree is increased, so that the output response of the system control is greatly improved, and the output range of the system is widened.
(6) The whole system has symmetry, and the symmetrical single end has the same electric output characteristic, so the reliability of the system is improved, and the system has high robustness.
Drawings
FIG. 1 is a schematic diagram of the structure of an electro-magnetic source;
FIG. 2 is a schematic diagram of a stator portion of an electro-magnetic section;
FIG. 3 is a schematic structural view of a rotor portion;
FIG. 4 is a schematic view of the structure of the electrical excitation of the present invention;
FIG. 5 is a schematic diagram of the structure of the electro-magnetic power generation of the present invention;
FIG. 6 is an outboard schematic view of the permanent magnet power generation of the present invention;
FIG. 7 is an inside schematic view of the permanent magnet power generation of the present invention;
fig. 8 is an overall external schematic of the present invention.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
The invention provides a back-to-back multiple excitation hybrid generator based on homodromous electromagnetic pole coupling, which is shown in fig. 1 to 8.
The back-to-back multiple excitation hybrid generator based on the same-direction electromagnetic pole coupling comprises an electric excitation part and a permanent magnet power generation part which are arranged back-to-back, wherein the permanent magnet power generation parts are symmetrically arranged at two ends of the electric excitation part;
the electric excitation part comprises an electric excitation source 1, a magnetic conduction bridge rotor 2 and a magnetic conduction bridge shell 3, wherein the electric excitation source 1 is coaxially sleeved at the center position of the magnetic conduction bridge rotor 2, electric excitation teeth 4 are symmetrically arranged at two ends of the magnetic conduction bridge rotor 2, the magnetic conduction bridge shell 3 is radially sleeved at the outer side of the electric excitation source 1, and the electric excitation source 1 is fixed with the magnetic conduction bridge shell 3 through an insulating mounting assembly 5; while the electric excitation source 1 includes an electromagnetic coil 11 and an electromagnetic sleeve 12, and the electromagnetic coil 11 is concentrically arranged in the electromagnetic sleeve 12.
The permanent magnet generating part at each end comprises a permanent magnet mounting base 6, an annular permanent magnet 7 arranged on the permanent magnet mounting base along the circumferential direction and a permanent magnet shell 8 arranged on the outer side of the annular permanent magnet along the radial direction, the magnetic poles of the annular permanent magnet 7 are installed in a staggered manner, an iron core 9 is also arranged between the annular permanent magnet 7 and the permanent magnet shell 8, and the length of the iron core 9 extends from the electric excitation teeth 4 to the annular permanent magnet 7 along the axial direction.
A magnetic circuit isolation sheet 10 is arranged between the electric excitation teeth 4 and the adjacent annular permanent magnets 7 at intervals, and the annular permanent magnets 7 and the electric excitation teeth 4 are mechanically isolated by the magnetic circuit isolation sheet 10; the annular permanent magnets at the two ends are symmetrically arranged on the permanent magnet installation base 6, the magnetic poles of the annular permanent magnets 7 are arranged in a staggered manner, and the magnetic poles of the two annular permanent magnets 7 are completely symmetrically arranged.
The number of the magnetic poles of the electric excitation teeth 4 is half of that of the annular permanent magnets 7, and the magnetic poles of the electric excitation teeth 4 are corresponding to the magnetic poles of the annular permanent magnets 7 in a staggered mode. The magnetic poles of the electric excitation teeth 4 and the magnetic poles of the annular permanent magnets 7 can be staggered by a certain angle, and the stagger angle is 0-10 degrees.
The magnetic conduction bridge shell 3 is of a barrel-shaped structure and is symmetrically arranged on the outer sides of the iron cores 9 at the two ends.
The iron cores 9 at each end take magnetic circuit isolating sheets 10 as dividing points, the iron cores corresponding to the electric excitation teeth 4 along the axial direction are defined as electric excitation iron cores, and the iron cores corresponding to the annular permanent magnets 7 along the axial direction are defined as permanent magnet iron cores; the electric excitation source, the electric excitation iron core and the magnetic conduction bridge housing 3 form a stator part of an electric excitation part, the magnetic conduction bridge rotor 2 is a rotor part of the electric excitation part, and the magnetic conduction bridge rotor 2, the electric excitation teeth 4, the magnetic circuit isolating sheet 10 and the permanent magnet mounting base 6 are concentrically fixed on the rotating shaft 13.
The electromagnetic characteristics of the electromagnetic excitation part are as follows:
the magnetic conduction bridge rotor 2 and the magnetic conduction bridge shell 3 form a magnetic conduction bridge, and the iron core 9 is positioned between the two; when the electric excitation source 1 is driven by a direct current source, the magnetic circuit is one end of the magnetic conduction bridge rotor 2, the electric excitation iron core, the magnetic conduction bridge shell 3, the electric excitation iron core at the symmetrical side and the symmetrical end of the magnetic conduction bridge rotor, and finally a closed magnetic circuit is formed; when the magnetic bridge rotor 2 rotates, the magnetic induction intensity at the fixed position of the iron core 9 is subjected to unipolar periodic transformation, and if the symmetrical electro-magnetic iron cores respectively have windings at the moment, induced electromotive force is generated at two ends of the windings.
The electromagnetic characteristics of the permanent magnet power generation part are as follows:
because the electric excitation teeth 4 and the annular permanent magnet 7 are mechanically isolated through the magnetic loop isolating sheets, and the permanent magnet generating parts are completely symmetrically arranged at two ends of the electric excitation part, the electromagnetic characteristics are the characteristics of a single-ended independent permanent magnet generator. When the permanent magnet mounting base 6 rotates, the magnetic induction intensity at the fixed position of the iron core will generate bipolar periodic transformation, and if the symmetric permanent magnet iron cores respectively have windings at the moment, induced electromotive force is generated at two ends of the windings.
In the multiple excitation combined generator structure formed by combining the electric excitation part and the permanent magnet power generation part, the magnetic conduction bridge is a magnetic conduction structural part, and the components of other electric excitation parts are non-magnetic conduction structural parts; only the annular permanent magnet 7 in the permanent magnet power generation part is a magnetic conduction structural member, the shell part is a non-magnetic conduction structural member, and the whole shell part consists of a magnetic conduction bridge shell 3 and a permanent magnet shell 8. The multiple excitation combined generator is two symmetrical hybrid generators in the whole structure, and the whole rotor part of the multiple excitation combined generator also has symmetrical characteristics; the electric excitation teeth and the magnetic poles at each end have the same-position characteristic and have the same-direction characteristic of staggering, namely, the longitudinal length of the magnetic poles has the staggering characteristic from the single-end integral magnetic pole; the magnetic poles of the annular permanent magnets at the two ends are opposite in direction; the iron core is also symmetrical, the single-end hybrid generator is provided with an independent winding structure, the double-end winding structure is the same, namely, the hybrid generators at the two ends of the combined generator are provided with independent windings, but the winding methods of the independent windings are completely the same.
The electromechanical electromagnetic characteristics of the multiple excitation combined generator are as follows:
the two-end hybrid power generation part has the independent characteristic in electromagnetism, the electric excitation part is provided by a unique electric excitation source, and when the direct current source is fixed in the direction of the electric excitation source, the electromagnetic magnetic fluxes at the two ends are the same in size and opposite in direction. The annular permanent magnets at the two ends have opposite magnetic pole directions and the same number of magnetic poles, and the electric excitation teeth are staggered with the annular permanent magnets, so that when a direct current source is in a fixed direction, the magnetic field strength of one magnetic pole direction which is mixed by single ends is overlapped due to the staggered characteristic of the longitudinal length of the magnetic poles. The two ends are overlapped to be the same in size but opposite in magnetic pole direction from the whole of the multiple excitation combined generator. When the rotor integrally rotates, the magnetic induction intensity at the fixed position of the iron core is subjected to bipolar periodic transformation, and meanwhile, the magnetic field intensity in one magnetic pole direction of single-end mixing is overlapped, so that the characteristics of different polarities are presented. The two ends are overlapped to be the same in size, but the magnetic poles are opposite in direction, so that the other symmetrical end also has the characteristic of different polarities. The two polarities are opposite in magnitude and direction as a whole.
The back-to-back multiple excitation hybrid generator based on the same-direction electromagnetic pole coupling is characterized in that the structure of the electric excitation part and the permanent magnet power generation part and the overall layout of the electric excitation part and the permanent magnet power generation part are optimized through the electric excitation part and the permanent magnet power generation part which are arranged back-to-back, and the structure of the electric excitation part and the permanent magnet power generation part and the overall layout of the electric excitation part and the permanent magnet power generation part are optimized, so that the magnetic efficiency and the magnetic utilization rate of electric excitation are improved, and the electric generator has the characteristics of high power density and excellent electric output characteristic; meanwhile, by matching with related power electronic means, the system cost can be greatly reduced, the overall efficiency is improved, the device is more suitable for application in related occasions such as aerospace and the like, and the applicability of the structure is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which are all within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "center", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present invention.
Claims (4)
1. The utility model provides a back-to-back multiple excitation hybrid generator based on homodromous electromagnetic pole coupling which characterized in that: the device comprises an electric excitation part and a permanent magnet power generation part which are arranged back to back, wherein the permanent magnet power generation parts are symmetrically arranged at two ends of the electric excitation part;
the electric excitation part comprises an electric excitation source, a magnetic conduction bridge rotor and a magnetic conduction bridge shell, wherein the electric excitation source is coaxially sleeved at the center of the magnetic conduction bridge rotor, electric excitation teeth are symmetrically arranged at two ends of the magnetic conduction bridge rotor, the magnetic conduction bridge shell is radially sleeved at the outer side of the electric excitation source, and the electric excitation source is fixed with the magnetic conduction bridge shell through an insulating mounting assembly;
the permanent magnet power generation part at each end comprises a permanent magnet installation base, an annular permanent magnet arranged on the permanent magnet installation base along the circumferential direction and a permanent magnet shell arranged on the outer side of the annular permanent magnet along the radial direction, the magnetic poles of the annular permanent magnet are installed in a staggered manner, an iron core is also arranged between the annular permanent magnet and the permanent magnet shell, and the length of the iron core extends from an electric excitation tooth to the annular permanent magnet along the axial direction;
magnetic circuit isolating sheets are arranged between the electric excitation teeth and the adjacent annular permanent magnets at intervals;
the number of the magnetic poles of the electric excitation teeth is half of that of the annular permanent magnets, and the magnetic poles of the electric excitation teeth are corresponding to those of the annular permanent magnets in a staggered manner;
the iron core at each end takes a magnetic circuit isolation sheet as a division point, the iron core corresponding to the electric excitation tooth along the axial direction is defined as an electric excitation iron core, and the iron core corresponding to the annular permanent magnet along the axial direction is defined as a permanent magnet iron core;
the electromagnetic assembly comprises an electromagnetic assembly, an electromagnetic excitation source, an electromagnetic excitation iron core and a magnetic conduction bridge shell, wherein the magnetic conduction bridge rotor is the rotor part of the electromagnetic assembly, and the magnetic conduction bridge rotor, the electromagnetic excitation teeth, a magnetic circuit separation sheet and a permanent magnet mounting base are concentrically fixed on a rotating shaft;
the electromagnetic excitation source comprises an electromagnetic coil and an electromagnetic sleeve, and the electromagnetic coil is concentrically arranged in the electromagnetic sleeve;
the magnetic poles of the annular permanent magnets at the two ends are completely symmetrically arranged, the magnetic poles at the symmetrical positions are opposite in direction, and the electric excitation teeth at each end and the magnetic poles have the same-position characteristic and are staggered and have the same-direction characteristic.
2. The back-to-back multiple excitation hybrid generator based on homodromous electromagnetic pole coupling of claim 1, wherein: the stagger angle of the magnetic poles of the electric excitation teeth and the magnetic poles of the annular permanent magnets is 0-10 degrees.
3. A back-to-back multiple excitation hybrid generator based on co-current electromagnetic pole coupling according to claim 1 or 2, characterized in that: the magnetic conduction bridge shell is of a barrel-shaped structure and is symmetrically arranged on the outer sides of iron cores at two ends.
4. A back-to-back multiple excitation hybrid generator based on co-current electromagnetic pole coupling as claimed in claim 3, wherein: the magnetic conduction bridge shell and the permanent magnet shell are non-magnetic conduction structural members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426897.0A CN114142701B (en) | 2021-11-28 | 2021-11-28 | Back-to-back multiple excitation hybrid generator based on homodromous electromagnetic pole coupling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426897.0A CN114142701B (en) | 2021-11-28 | 2021-11-28 | Back-to-back multiple excitation hybrid generator based on homodromous electromagnetic pole coupling |
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| CN114142701A CN114142701A (en) | 2022-03-04 |
| CN114142701B true CN114142701B (en) | 2024-04-02 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242126A (en) * | 2008-03-13 | 2008-08-13 | 南京航空航天大学 | Normal/radial parallel mixed excitation magnetic synchronization motor |
| CN101345453A (en) * | 2008-05-06 | 2009-01-14 | 南京航空航天大学 | Mixed field excitation brushless synchronous motor with coordination structure |
| CN102306992A (en) * | 2011-06-27 | 2012-01-04 | 南京航空航天大学 | Bidirectional rotor magnetic shunt mixed excited synchronous generator |
| CN103560637A (en) * | 2013-11-20 | 2014-02-05 | 中国人民解放军海军工程大学 | Mixed excitation synchronous generator high in power density |
| CN110061603A (en) * | 2019-01-25 | 2019-07-26 | 南京航空航天大学 | A kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor |
| CN112671193A (en) * | 2020-11-25 | 2021-04-16 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Mixed excitation type motor |
| WO2021189594A1 (en) * | 2020-03-24 | 2021-09-30 | 江苏大学 | Magnetic field-modulated hybrid-excited machine and multi-working-wave design method therefor |
-
2021
- 2021-11-28 CN CN202111426897.0A patent/CN114142701B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242126A (en) * | 2008-03-13 | 2008-08-13 | 南京航空航天大学 | Normal/radial parallel mixed excitation magnetic synchronization motor |
| CN101345453A (en) * | 2008-05-06 | 2009-01-14 | 南京航空航天大学 | Mixed field excitation brushless synchronous motor with coordination structure |
| CN102306992A (en) * | 2011-06-27 | 2012-01-04 | 南京航空航天大学 | Bidirectional rotor magnetic shunt mixed excited synchronous generator |
| CN103560637A (en) * | 2013-11-20 | 2014-02-05 | 中国人民解放军海军工程大学 | Mixed excitation synchronous generator high in power density |
| CN110061603A (en) * | 2019-01-25 | 2019-07-26 | 南京航空航天大学 | A kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor |
| WO2021189594A1 (en) * | 2020-03-24 | 2021-09-30 | 江苏大学 | Magnetic field-modulated hybrid-excited machine and multi-working-wave design method therefor |
| CN112671193A (en) * | 2020-11-25 | 2021-04-16 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Mixed excitation type motor |
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