CN109194081A - The five-phase brushless generator being respectively isolated - Google Patents
The five-phase brushless generator being respectively isolated Download PDFInfo
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- CN109194081A CN109194081A CN201811281185.2A CN201811281185A CN109194081A CN 109194081 A CN109194081 A CN 109194081A CN 201811281185 A CN201811281185 A CN 201811281185A CN 109194081 A CN109194081 A CN 109194081A
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- stator
- armature winding
- phase
- winding
- stator core
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Synchronous Machinery (AREA)
Abstract
The invention proposes the five-phase brushless generators being respectively isolated, and include shell, crescent outer rotor magnetic inductive block, excitation winding, stator core, stator fixed block, armature winding and axis；The stator core being in U-shape shares 5X, and stator core is uniformly fixed on stator fixed block using yoke portion, and stator fixed block is fixed on axis；There are 8X equally distributed arcuate recess, arcuate recess is embedded with crescent rotor magnetic inductive block, and there is through-hole in the centre of the outer rotor magnetic inductive block of crescent, and screw passes through through-hole and crescent rotor magnetic inductive block is fixed in arcuate recess at shell inner ring；It is wound with excitation winding in the stator poles of each stator core side therein, is all wound with armature winding in the stator poles of the other side.The outer rotor for the five-phase brushless generator that the present invention is respectively isolated uses a kind of new structure, the form of the outer magnetic inductive block insertion installation of crescent rotor, with the sub- iron core of stator independent, it can effectively realize Magnetic isolation, it avoids and interacts between each winding, magnetic conduction is few when rotor core is engaging-in and nibbles out, is gradual magnetic conduction, can significantly reduce the edge effect of magnetic resistance class motor.
Description
Technical field
The present invention relates to the five-phase brushless generators that one kind is respectively isolated, and belong to car electrics field.
Background technique
DC power system is widely used at present, is usually used on air equipment, automobile using DC power system for it
Electric equipment provides electric energy, frequently with brushed DC motor, brushless direct current permanent magnet motor and pawl pole in these DC power systems
Motor.Brushless d. c. permanent uses permanent-magnet material, so that magnetic field is difficult to adjust motor at runtime, external output voltage
Difficulty is adjusted, is not easy to realize weak magnetic control.When high-speed cruising, permanent magnet is acted on by armature, or even irreversible demagnetization can occur and show
As.
On the engine due to automobile current generator installation, need it can in the environment of sharp pounding, more dusts, high temperature
It works normally, therefore electric generators for automobile must have very high stability and reliability.Electric exciting brushless DC generation function
Have both brushless DC generator good reliability and electric excitation generator enough convenient for adjusting output voltage and easily realizing that weak magnetic controls
The advantages of, therefore electric exciting brushless dc generator just becomes the emphasis of current research.
More stringent requirements are proposed for reliability due to Hyundai Motor generator to motor, and can be mentioned using polyphase windings
The reliability of high motor.In multiphase generator, it is CN102035272A's that existing related application, which mainly has patent publication No.,
Patent of invention: polyphase machine proposes a kind of polyphase machine, has the annular stator around rotor, and multiple electricity windings are located at slot
In, to limit the magnetic pole peripherally separated.The invention can weaken driveline speed oscillation, mitigate Vehicular vibration and noise.It is public
The number of opening is a kind of patent of invention of CN101030720: DC permanent-magnetic brushless generator, including magneto alternator and rectification filter
Wave device two parts, rectifier filter are zero formula rectifier structure, and the connection of rectifier diode common-anode, anode common point is output direct current
The low potential point of voltage.The mechanism of power generation of the invention is easy to adjust at rear output voltage, is not required to additional voltage regulating device,
The occasions such as emergency power supply, low-voltage, high-current have application advantage outstanding.
In similar patent, patent publication No. is the patent of invention of CN106549544A: five be respectively isolated are mutually fault-tolerant
Automobile current generator: the mutually fault-tolerant automobile current generator of five be respectively isolated, the sub- iron core which is uniformly distributed along the circumference by 5
Composition, sub- iron core are uniformly fixed inside the shell using non-magnetic stator fixed block, and stator poles are according to polar arc mechanical angle
It is of different sizes to be divided into wide stator poles and narrow stator poles.Between each stator core of the invention by non-magnetic stator fixed block every
From so that a possibility that stator phase winding is all isolated from each other on physically and electrically magnetic, this greatly reduces phase-to phase fault.
The five-phase brushless generator of proposition of the invention being respectively isolated is of the invention, using a kind of Crescent shape rotor
There are through-hole in core construction, the centre of the outer rotor magnetic inductive block of crescent, and screw passes through through-hole and fixes crescent rotor magnetic inductive block
In arcuate recess.Magnetic conduction is few when generator rotor core of the invention is engaging-in and nibbles out, is gradual magnetic conduction, can be significantly
Reduce the edge effect of magnetic resistance class motor, and the present invention uses electrical excitation winding excitation, convenient for adjusting output voltage.
Summary of the invention
Technical problem to be solved: provide a kind of field controllable and having respectively be isolated it is short with multiphase redundancy feature
The five-phase brushless generator of magnetic circuit.
The present invention adopts the following technical scheme:
The five-phase brushless generator being respectively isolated is by shell, crescent outer rotor magnetic inductive block, excitation winding, stator core, stator
Fixed block, armature winding and axis composition；
The shell is made of non-magnet material, and shell inner ring side has 8X equally distributed arcuate recess, and X is positive whole
Number；
Arcuate recess is embedded with crescent outer rotor magnetic inductive block, and there is through-hole in the centre of the outer rotor magnetic inductive block of crescent, and screw is worn
It crosses through-hole crescent outer rotor magnetic inductive block is fixed in arcuate recess；
The stator core being in U-shape shares 5X, and there are two the stator poles radially extended, the same stator iron for each stator core
It is connected between two stator poles in the heart by the yoke portion of stator core；
5X stator core is uniformly fixed on non-magnetic stator fixed block using yoke portion, and is had time between each stator core
Gas gap, stator fixed block are fixed on axis；
The total arc length of one stator core is equal to crescent outer rotor magnetic inductive block inner circle arc length；
Stator core is wherein wound with excitation winding in the stator poles of side, and all excitation windings are around to consistent；
Be wound with armature winding in the stator poles of the stator core other side, armature winding according to the difference of phase be divided into A phase armature around
Group, B phase armature winding, C phase armature winding, D phase armature winding and E phase armature winding；All armature winding is around to consistent；
Excitation winding and armature winding are all centralized winding, armature winding and excitation winding around to opposite.
The five-phase brushless generator being respectively isolated as described above, it is characterised in that:
The all external single-phase full bridge rectifier of every phase armature winding, the externally output in parallel of each single-phase full bridge rectifier.
Beneficial effects of the present invention are as follows:
(1) on the rotor that uses of the present invention without excitation winding, have the characteristics that structure is simple, high reliablity, be suitble to generator height
Speed rotation；
(2) generator provided in the present invention has five mutually strong isolation technology features, can effectively realize Fault Isolation and multiphase
Redundancy；
(3) total magnetic linkage length can be effectively reduced, iron loss is reduced；
(4) motor of the present invention uses novel external rotor structure, and electric isolution is realized between each winding, is thermally isolated, the objects such as Magnetic isolation
Reason isolation, failure winding will not influence the operation of non-faulting winding.
Detailed description of the invention
Fig. 1 is the five-phase brushless electric generator structure schematic diagram that the present invention is respectively isolated.Wherein: 1, shell, 2, outside crescent
Rotor magnetic inductive block, 3, excitation winding, 4, stator core, 5, stator fixed block, 6, A phase armature winding, 7, C phase armature winding, 8, B
Phase armature winding, 9, D phase armature winding, 10, E phase armature winding, 11, axis；
Fig. 2 is the embedding figure for the five-phase brushless generator that the present invention is respectively isolated.Wherein: 1-10 respectively represents 10 slots, F, A,
B, C and D respectively represents excitation winding, A phase armature winding, B phase armature winding, C phase armature winding and D phase armature winding.
Fig. 3 is the rectifier circuit figure for the five-phase brushless generator that the present invention is respectively isolated.
Fig. 4 is each phase magnetic linkage figure of five-phase brushless generator that the present invention is respectively isolated.
Specific embodiment
The invention is described in further details with reference to the accompanying drawing.
Fig. 1 is the five-phase brushless electric generator structure schematic diagram that the present invention is respectively isolated.The five-phase brushless being respectively isolated
Generator, including shell 1, crescent outer rotor magnetic inductive block 2, excitation winding 3, stator core 4, stator fixed block 5, armature winding
6 and axis 7.
The shell 1 is made of non-magnet material, and shell inner ring side has 8 equally distributed arcuate recess, arch
Groove is embedded with crescent outer rotor magnetic inductive block 2, and there is through-hole in the centre of the outer rotor magnetic inductive block 2 of crescent, and screw passes through through-hole
Crescent outer rotor magnetic inductive block is fixed in arcuate recess；
The stator core 4 being in U-shape shares 5, and there are two the stator poles radially extended, the same stators for each stator core 4
It is connected between two stator poles on iron core 4 by the yoke portion of stator core；
Stator core 4 is uniformly fixed on non-magnetic stator fixed block 5 using yoke portion, and had between each stator core 4
The air gap, stator fixed block 5 are fixed on axis；
The total arc length of one 4 heart of stator iron is equal to 2 inner circle arc length of crescent outer rotor magnetic inductive block；In this embodiment, outside crescent
2 inner circle arc angle of rotor magnetic inductive block is 45 °, and the total arc length of a stator core 4 is also 45 °.
It is wound with excitation winding 3 in the stator poles of the side counterclockwise of stator core 4, all excitation windings 3 are around to consistent；
Armature winding 6 is wound in the stator poles of the side clockwise of stator core 4, armature winding 6 is according to the different along circle of phase
It is all to be divided into A phase armature winding, C phase armature winding, B phase armature winding, D phase armature winding and E phase armature winding clockwise；
All armature winding is around to consistent；
Excitation winding 3 and armature winding 6 are all centralized winding, armature winding and excitation winding around to opposite.
The five-phase brushless generator being respectively isolated as described above, it is characterised in that: every phase armature winding is one all external
Single-phase full bridge rectifier, the externally output in parallel of each single-phase full bridge rectifier.
Fig. 2 is the embedding figure for the five-phase brushless generator that the present invention is respectively isolated.As shown, 10 stator poles of motor
Upper alternating is wound with excitation winding 3 and armature winding 6；The coiling direction of all excitation windings 3 is identical, all armature winding around to
Unanimously；
Excitation winding 3 and armature winding 6 are all centralized winding, armature winding and excitation winding around to opposite.Armature winding
Circumferentially it is divided into A phase armature winding, C phase armature winding, B phase armature winding, D phase winding according to the difference of phase clockwise
With E phase armature winding；
Fig. 3 is the rectifier circuit figure for the five-phase brushless generator that the present invention is respectively isolated.The five-phase brushless power generation being respectively isolated
The armature winding of machine is divided into A phase armature winding, C phase armature winding, B phase armature winding, D phase armature winding and E phase armature winding,
The all external single-phase full bridge rectifier of every phase armature winding, the externally output in parallel of each single-phase full bridge rectifier.The circuit can
To realize the electric isolution of each phase winding.
Fig. 4 is each phase magnetic linkage figure of five-phase brushless generator that the present invention is respectively isolated.
The explanation of working principle is carried out to the five-phase brushless generator proposed by the present invention being respectively isolated below.
The five-phase brushless generator of the present invention being respectively isolated drives rotor rotation by the rotation of axis, gives at this time
Excitation winding on the sub- sub- iron core of iron core is powered, it is made to generate radial magnetic field.Excitation winding on the sub- iron core of stator core generates
Magnetic field pass sequentially through stator poles for being wound with excitation winding on sub- iron core, air gap, crescent outer rotor magnetic inductive block, air gap, fixed
Another stator poles, the stator yoke of sub- iron core eventually pass back to the stator poles for being wound with excitation winding, form closed magnetic circuit.When turn
When son rotation, the rotation of crescent magnetic conduction rotor block makes magnetic linkage generate variation, a phase armature on the sub- iron core of stator core around
Potential is induced in group.The phase potential externally exports direct current by a single-phase full bridge rectifier connection load.The present invention is each
The five-phase brushless motor of generator being isolated has the sub- iron core of stator independent, can effectively realize Magnetic isolation, avoid
It interacts between each winding, magnetic conduction is few when rotor core is engaging-in and nibbles out, is gradual magnetic conduction, can significantly reduce magnetic
Hinder the edge effect of class motor.
Claims (2)
1. the five-phase brushless generator being respectively isolated, it is characterised in that:
It is made of shell, crescent outer rotor magnetic inductive block, excitation winding, stator core, stator fixed block, armature winding and axis；
The shell is made of non-magnet material, and shell inner ring side has 8X equally distributed arcuate recess, and X is positive whole
Number；
Arcuate recess is embedded with crescent outer rotor magnetic inductive block, and there is through-hole in the centre of the outer rotor magnetic inductive block of crescent, and screw is worn
It crosses through-hole crescent outer rotor magnetic inductive block is fixed in arcuate recess；
The stator core being in U-shape shares 5X, and there are two the stator poles radially extended, the same stator iron for each stator core
It is connected between two stator poles in the heart by the yoke portion of stator core；
5X stator core is uniformly fixed on non-magnetic stator fixed block using yoke portion, and is had time between each stator core
Gas gap, stator fixed block are fixed on axis；
Total arc length is equal to crescent outer rotor magnetic inductive block inner circle arc length on the outside of one stator core；
Stator core is wherein wound with excitation winding in the stator poles of side, and all excitation windings are around to consistent；
Be wound with armature winding in the stator poles of the stator core other side, armature winding according to the difference of phase be divided into A phase armature around
Group, B phase armature winding, C phase armature winding, D phase armature winding and E phase armature winding；All armature winding is around to consistent；
Excitation winding and armature winding are all centralized winding, armature winding and excitation winding around to opposite.
2. the five-phase brushless generator being respectively isolated as described in claim 1, it is characterised in that:
The all external single-phase full bridge rectifier of every phase armature winding, the externally output in parallel of each single-phase full bridge rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811281185.2A CN109194081B (en) | 2018-10-31 | 2018-10-31 | Five-phase brushless generator with isolated phases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811281185.2A CN109194081B (en) | 2018-10-31 | 2018-10-31 | Five-phase brushless generator with isolated phases |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109194081A true CN109194081A (en) | 2019-01-11 |
| CN109194081B CN109194081B (en) | 2020-11-03 |
Family
ID=64940948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811281185.2A Active CN109194081B (en) | 2018-10-31 | 2018-10-31 | Five-phase brushless generator with isolated phases |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109194081B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323853A (en) * | 2019-07-31 | 2019-10-11 | 上海电力大学 | Five-phase 5N/4N pole armature excitation distributed fault-tolerant electric excitation double-salient motor |
| CN110417136A (en) * | 2019-07-31 | 2019-11-05 | 上海电力大学 | Five-phase 5N/4N pole armature and excitation winding fault-tolerant electric excitation double salient motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07222408A (en) * | 1994-02-03 | 1995-08-18 | Nippon Steel Corp | Manufacture of armature or field magnet of motor |
| JP2002010597A (en) * | 2000-06-16 | 2002-01-11 | Aisin Seiki Co Ltd | Motor |
| CN103151859A (en) * | 2013-02-01 | 2013-06-12 | 东南大学 | Magnetic flow switched and surface-mounted type permanent magnet memory motor |
| CN103199661A (en) * | 2013-04-25 | 2013-07-10 | 东南大学 | Built-in permanent magnet memory motor of magnetic flux switching type |
| CN205178807U (en) * | 2015-12-10 | 2016-04-20 | 山东大学 | Short magnetic circuit sectional type switched reluctance motor of short tip and control circuit and system thereof |
| CN106549543A (en) * | 2017-01-14 | 2017-03-29 | 山东理工大学 | Automobile engine directly drives five phase electric excitation generators |
-
2018
- 2018-10-31 CN CN201811281185.2A patent/CN109194081B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07222408A (en) * | 1994-02-03 | 1995-08-18 | Nippon Steel Corp | Manufacture of armature or field magnet of motor |
| JP2002010597A (en) * | 2000-06-16 | 2002-01-11 | Aisin Seiki Co Ltd | Motor |
| CN103151859A (en) * | 2013-02-01 | 2013-06-12 | 东南大学 | Magnetic flow switched and surface-mounted type permanent magnet memory motor |
| CN103199661A (en) * | 2013-04-25 | 2013-07-10 | 东南大学 | Built-in permanent magnet memory motor of magnetic flux switching type |
| CN205178807U (en) * | 2015-12-10 | 2016-04-20 | 山东大学 | Short magnetic circuit sectional type switched reluctance motor of short tip and control circuit and system thereof |
| CN106549543A (en) * | 2017-01-14 | 2017-03-29 | 山东理工大学 | Automobile engine directly drives five phase electric excitation generators |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323853A (en) * | 2019-07-31 | 2019-10-11 | 上海电力大学 | Five-phase 5N/4N pole armature excitation distributed fault-tolerant electric excitation double-salient motor |
| CN110417136A (en) * | 2019-07-31 | 2019-11-05 | 上海电力大学 | Five-phase 5N/4N pole armature and excitation winding fault-tolerant electric excitation double salient motor |
| CN110417136B (en) * | 2019-07-31 | 2024-10-01 | 上海电力大学 | Five-phase 5N/4N pole armature and exciting winding fault-tolerant electro-magnetic doubly salient motor |
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| CN109194081B (en) | 2020-11-03 |
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