CN105915007B - A kind of reluctance type disc type electric machine - Google Patents

A kind of reluctance type disc type electric machine Download PDF

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Publication number
CN105915007B
CN105915007B CN201610256095.2A CN201610256095A CN105915007B CN 105915007 B CN105915007 B CN 105915007B CN 201610256095 A CN201610256095 A CN 201610256095A CN 105915007 B CN105915007 B CN 105915007B
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stator
magnet exciting
core
electric machine
stator poles
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CN105915007A (en
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肖东
史立伟
郭盈志
张学义
巩合聪
刘从臻
徐晓明
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Shandong University of Technology
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Shandong University of Technology
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos

Abstract

The present invention proposes a kind of reluctance type disc type electric machine, including axis, the first magnet exciting coil, the first stator core, the first armature coil, rotor core, shell, the second armature coil, the second stator core, the second Exciting Windings for Transverse Differential Protection and end cap;First stator core is every three the first stator poles there are one groove, and groove is embedded with the first magnet exciting coil, and the first magnet exciting coil is opposite around the coiling direction of three the first stator poles coilings and the first adjacent magnet exciting coil;Second stator core is every three the second stator poles there are one groove, and groove is embedded with the second magnet exciting coil, and the second magnet exciting coil is opposite around the coiling direction of three the second stator poles coilings and the second adjacent magnet exciting coil;Around there are one the first armature coil in each first stator poles, a phase winding can be formed around there are one the armature coil serial or parallel connections of the second armature coil, same-phase in each second stator poles.The reluctance type disc type electric machine of the present invention can efficiently use the advantages of switched reluctance motor efficiency is relatively high, also effectively play that electrical excitation disc type electric machine is small, speciality of high reliability.

Description

A kind of reluctance type disc type electric machine
Technical field
The present invention relates to a kind of reluctance type disc type electric machines, belong to specific type of electric machine technical field.
Background technology
Magneto, particularly miniature magnetic DC motor since structural manufacturing process is simple, quality mitigates, thus obtain It is widely applied.But since the current price of rare earth permanent magnet is also somewhat expensive, the cost of rare-earth permanent-magnet electric machine is generally than electrical excitation electricity Machine is high, this needs to be compensated with the saving of its high-performance and operating cost.Therefore present magneto is only suitable for low power Occasion.For high-power special motor, electro-magnetic motor is more applicable in.
With the gradual expansion of motor application scope, dynamotor value in an increasingly wide range of applications.Electronic hair Motor is the motor for having the function of simultaneously two kinds of generator and motor.Such as in energy storage power station, dynamotor both may be used It is driven and generated electricity by the hydraulic turbine as generator, and be convertible into motor and water pump is driven to carry out energy storage of drawing water.
Disc type electric machine has many advantages, such as that axial length is short, simple in structure, power density is high, cooling is fast.And bimorph transducer Disc type electric machine then has very strong poly- magnetic effect, and the air gap flux density of motor is high so that motor has high power density and height Torque density.Therefore disc type electric machine has a wide range of applications future.
In a kind of reluctance type disc type electric machine of the present invention, which uses bimorph transducer disc type electrical excitation structure.Similar In patent, the application for a patent for invention of Application No. 201510786946.X:Stator permanent magnetic type double-salient-pole disc type electric machine, this application Stator permanent magnetic type double-salient-pole disc type electric machine is by two stators, a rotor, armature winding, permanent magnet, motor shaft composition.The stator Permanent magnet is embedded in stator core in permanent-magnet type double-salient-pole disc type electric machine, and permanent magnet along the circumferential direction magnetizes.Although the invention Using bimorph transducer tray type structure, but this motor using permanent magnet at present there are still control difficulty is big, easy irreversible demagnetization, into The problems such as this is high.
The patent of invention of mandate:A kind of dual-power disc type switch reluctance motor, the patent No.:It is 201210154722.3 open A kind of dual-power disc type switch reluctance motor, including front end-plate, stator core, motor shaft, rotor disk.The invention can be according to reality Border demand is rotated using a power or two power rotate simultaneously, and rotor disk speed is more high more smooth, and the method for operation is various, fortune Make steadily, substantially without windage, noise is small, and thermal diffusivity is strong, high temperature resistant, improves power, energy saving.
Applicant not yet retrieves a kind of reluctance type disc type electric machine according to the present invention, adopts through retrieval both at home and abroad at present With two disc type stators and the disc type electric machine of electrical excitation winding, and the technology of the present patent application employs the work of reluctance motor Principle, this is different from traditional Principle of Electric Engine.
The content of the invention
The purpose of the present invention is to propose to it is a kind of it is small, air-gap field is adjustable, voltage regulation limits are wide, power density is high and The electrical excitation disc type electric machine of efficient double-stator structure.The present invention adopts the following technical scheme that:
A kind of reluctance type disc type electric machine, by axis (1), the first magnet exciting coil (2), the first stator core (3), the first armature line Circle, rotor core (7), shell (8), the second armature coil (9), the second stator core (12), the second Exciting Windings for Transverse Differential Protection (13) and end Cover (14) composition;It is characterized in that:
Rotor core (7) is in the form of annular discs, is fixed on axis (1);
Rotor core (7) has the rotor pole of 2N circle ring sector protrusion on two end faces of disk, and N is natural number;
First stator core (3), the second stator core (12) are identical with the axis of rotor core (7), the first stator core (3) and the second stator core (12) is respectively positioned at the both sides of rotor core (7), the first stator core (3) and rotor core (7) phase To one side have the first stator poles of 3N circle ring sector protrusion, the opposite side of the first stator core (3) is fixed on the magnetic resistance On the end cap (14) of formula disc type electric machine one side;Second stator core (12) also has 3N circle with the opposite one side of rotor core (7) Second stator poles of ring sector protrusion, the opposite side of the second stator core (12) are fixed on the reluctance type disc type electric machine opposite side End cap (14) on;
Every three the first stator poles there are one groove, groove is embedded with the first magnet exciting coil for first stator core (3) (2), the first magnet exciting coil (2) is opposite around the coiling direction of three the first stator poles coilings and adjacent the first magnet exciting coil (2); Every three the second stator poles there are one groove, groove is embedded with the second magnet exciting coil (13) for second stator core (12), and second Magnet exciting coil (13) is opposite around the coiling direction of three the second stator poles coilings and adjacent the second magnet exciting coil (13);
Around there are one the first armature coil in each first stator poles, around there are one second in each second stator poles Armature coil;The armature coil serial or parallel connection of same-phase can form a phase winding.
A kind of reluctance type disc type electric machine as described above, it is characterised in that:
Magnetic field can be generated to the first magnet exciting coil (2) and the second magnet exciting coil (13) energization;
When the first stator poles or the second stator poles where rotor pole slips into a phase armature winding, the phase armature winding Magnetic linkage increases;When the stator poles where rotor pole skids off a phase armature winding, the magnetic linkage of the phase armature winding reduces;
When a kind of reluctance type disc type electric machine is run as engine, rotated by prime mover band moving axis (1), threephase armature Winding induces three-phase alternating voltage;
When a kind of reluctance type disc type electric machine is as motor running, rotor pole is slipping into the first stator poles or second One phase winding of stator poles leads to forward current, and a kind of reluctance type disc type electric machine can export positive torque.
Beneficial effects of the present invention are as follows:
(1) propose the advantages of a kind of reluctance type disc type electric machine has concentrated disc type electric machine and electro-magnetic motor, by electrical excitation around Group is mounted in stator structure, by the way that Exciting Windings for Transverse Differential Protection electric current is controlled to be conveniently adjusted the air-gap field of motor;
(2) a kind of rotor structure of reluctance type disc type electric machine of the present invention is simple, does not have winding on rotor, mechanical strength is big;
(3) a kind of reluctance type disc type electric machine of the present invention is using tray type structure, and axial dimension is short, and power of motor density is high, very It is suitably applied on big-power tractor.
Description of the drawings
Fig. 1 is a kind of reluctance type disc type electric machine sectional side elevation of the present invention.Wherein:1st, axis, the 2, first magnet exciting coil, 3, first is fixed Sub- iron core, the 4, first armature coil, 7, rotor core, 8, shell, the 9, second armature coil, the 12, second stator core, 13, Two Exciting Windings for Transverse Differential Protection, 14, end cap.
Fig. 2 is a kind of the first stator of reluctance type disc type electric machine side view of the present invention.Wherein:1st, axis, the 2, first magnet exciting coil, 3rd, the first stator core, 4, the first armature coil of A phases, 5, the first armature coil of B phases, 6, the first armature coil of C phases, 7, guide rail.
Fig. 3 is a kind of reluctance type disk type electric motor rotor side view of the present invention.Wherein:1st, axis, 7, rotor core, 15, rotor Pole.
Fig. 4 is a kind of reluctance type disc type electric machine fundamental diagram of the present invention.
Specific embodiment
The invention is described in further details below in conjunction with the accompanying drawings.
Fig. 1 is a kind of reluctance type disc type electric machine sectional side elevation of the present invention.A kind of shown reluctance type disc type electric machine, by axis (1), First magnet exciting coil (2), the first stator core (3), the first armature coil, rotor core (7), shell (8), the second armature coil (9), the second stator core (12), the second Exciting Windings for Transverse Differential Protection (13) and end cap (14) composition.Rotor core (7) is in the form of annular discs, fixed On axis (1), rotor core (7) has the rotor pole of 2N circle ring sector protrusion on two end faces of disk;First stator Iron core (3), the second stator core (12) are identical with the axis of rotor core (7), the first stator core (3) and the second stator core (12) it is located at the both sides of rotor core (7) respectively, the first stator core (3) has 3N circle with the opposite one side of rotor core (7) First stator poles of ring sector protrusion, the opposite side of the first stator core (3) are fixed on the reluctance type disc type electric machine one side On end cap (14);Second stator core (12) also has the second of 3N circle ring sector protrusion with the opposite one side of rotor core (7) Stator poles, the opposite side of the second stator core (12) are fixed on the end cap (14) of the reluctance type disc type electric machine opposite side.
First stator core (3) is embedded with the first magnet exciting coil (2), and the second stator core (12) is embedded with the second excitation wire It encloses (13);Around there are one the first armature coil in each first stator poles, around there are one second in each second stator poles Armature coil, the armature coil serial or parallel connection of same-phase can form a phase winding.
Fig. 2 is a kind of the first stator of reluctance type disc type electric machine sectional side elevation of the present invention.As shown in the figure, the first stator core (3) There are the first stator poles of 3N circle ring sector protrusion in opposite one side with rotor core (7), is wound in each first stator poles One the first armature coil, the armature coil serial or parallel connection of same-phase can form a phase winding.First stator core (3) every There are one groove, grooves to be embedded with the first magnet exciting coil (2) for three the first stator poles, and the first magnet exciting coil (2) is around three first The coiling direction of stator poles coiling and adjacent the first magnet exciting coil (2) is opposite.
Fig. 3 is a kind of reluctance type disk type electric motor rotor sectional side elevation of the present invention.It can be seen that:Rotor core (7) is in the form of annular discs, It is fixed on axis (1), rotor core (7) has the rotor pole of 2N circle ring sector protrusion on two end faces of disk, and N is certainly So number.
Fig. 4 is a kind of reluctance type disc type electric machine fundamental diagram of the present invention.It, should when rotor pole aligns with a phase stator poles The self-induction of phase winding and Exciting Windings for Transverse Differential Protection is maximized;When rotor pole staggers completely with a phase stator poles, the phase winding and excitation The self-induction of winding is minimized.When rotor rotates, the magnetic linkage of each phase winding can generating period variation.
The explanation of operation principle is carried out to a kind of reluctance type disc type electric machine proposed by the present invention below.
In the reluctance type disc type electric machine of the present invention, magnetic can be generated to the first magnet exciting coil and the energization of the second magnet exciting coil .Axis can drive rotor to rotate, when the first stator poles or the second stator poles where rotor pole slips into a phase armature winding, The magnetic linkage of the phase armature winding increases, when the stator poles where rotor pole skids off a phase armature winding, the phase armature winding Magnetic linkage reduces.
When a kind of reluctance type disc type electric machine of the present invention is run as engine, rotated by prime mover band moving axis, three-phase Armature winding induces three-phase alternating voltage;
When a kind of reluctance type disc type electric machine of the present invention is as motor running, rotor pole is slipping into the first stator poles Or second a phase winding of stator poles lead to forward current, a kind of reluctance type disc type electric machine can export positive torque.
It is pointed out that the above description is merely a specific embodiment, but protection scope of the present invention is not Be confined to this, any one skilled in the art in the technical scope disclosed by the present invention, the change that can be readily occurred in Change and replace, should all cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the claim Subject to protection domain.

Claims (2)

1. a kind of reluctance type disc type electric machine, by axis (1), the first magnet exciting coil (2), the first stator core (3), the first armature line Circle, rotor core (7), shell (8), the second armature coil, the second stator core (12), the second magnet exciting coil (13) and end cap (14) form;It is characterized in that:
Rotor core (7) is in the form of annular discs, is fixed on the centre of axis (1);
Rotor core (7) has the rotor pole of 2N circle ring sector protrusion on two end faces of disk, and N is natural number;
First stator core (3), the second stator core (12) are identical with the axis of rotor core (7), the first stator core (3) and Second stator core (12) is located at the both sides of rotor core (7) respectively, and the first stator core (3) is opposite with rotor core (7) There are the first stator poles of 3N circle ring sector protrusion in one side, and the opposite side of the first stator core (3) is fixed on the reluctance type disk On the end cap of formula motor one side;Second stator core (12) one side opposite with rotor core (7) also has the 3N circle ring sector convex The second stator poles risen, the opposite side of the second stator core (12) are fixed on the end cap of the reluctance type disc type electric machine opposite side (14) on;
Every three the first stator poles there are one groove, groove is embedded with the first magnet exciting coil (2) for first stator core (3), the One magnet exciting coil (2) is opposite around the coiling direction of three the first stator poles coilings and adjacent the first magnet exciting coil (2);Second is fixed For sub- iron core (12) every three the second stator poles there are one groove, groove is embedded with the second magnet exciting coil (13), the second excitation wire It is opposite around the coiling direction of three the second stator poles coilings and adjacent the second magnet exciting coil (13) to enclose (13);
Around there are one the first armature coil in each first stator poles, around there are one the second armatures in each second stator poles Coil;The armature coil serial or parallel connection of same-phase forms a phase winding.
2. a kind of reluctance type disc type electric machine as described in claim 1, it is characterised in that:
Magnetic field is just generated to the first magnet exciting coil (2) and the second magnet exciting coil (13) energization;
When the first stator poles or the second stator poles where rotor pole slips into a phase armature winding, the magnetic linkage of the phase armature winding Increase;When the stator poles where rotor pole skids off a phase armature winding, the magnetic linkage of the phase armature winding reduces;
When a kind of reluctance type disc type electric machine is run as engine, rotated by prime mover band moving axis (1), threephase armature winding Induce three-phase alternating voltage;
When a kind of reluctance type disc type electric machine is as motor running, the first stator poles or second fixed are being slipped into rotor pole One phase winding of sub- pole leads to forward current, and a kind of reluctance type disc type electric machine just exports positive torque.
CN201610256095.2A 2016-04-25 2016-04-25 A kind of reluctance type disc type electric machine Active CN105915007B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107528442B (en) * 2017-10-23 2019-11-05 山东飞奥航空发动机有限公司 Aviation built-in type permanent magnetism starter-generator
CN111010009A (en) * 2019-11-26 2020-04-14 北京动力机械研究所 Multi-phase high-reliability permanent magnet disc type motor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1913290A (en) * 2006-08-23 2007-02-14 南京航空航天大学 Radial magnet steel double salient-pole mixed excitation electric machine
CN103501092A (en) * 2013-10-12 2014-01-08 山东理工大学 Electric excitation brushless generator for vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1913290A (en) * 2006-08-23 2007-02-14 南京航空航天大学 Radial magnet steel double salient-pole mixed excitation electric machine
CN103501092A (en) * 2013-10-12 2014-01-08 山东理工大学 Electric excitation brushless generator for vehicle

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Inventor after: Xiao Dong

Inventor after: Shi Liwei

Inventor after: Guo Yingzhi

Inventor after: Zhang Xueyi

Inventor after: Gong Hecong

Inventor after: Liu Congzhen

Inventor after: Xu Xiaoming

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