CN103187814A

CN103187814A - Permanent magnet transverse magnetic flow motor

Info

Publication number: CN103187814A
Application number: CN2011104560808A
Authority: CN
Inventors: 李鹏; 李松强; 苏丽营; 金宝年; 马保政
Original assignee: Sinovel Wind Group Co Ltd
Current assignee: Sinovel Wind Group Co Ltd
Priority date: 2011-12-30
Filing date: 2011-12-30
Publication date: 2013-07-03

Abstract

The invention discloses a permanent magnet transverse magnetic flow motor which is provided with a stator and a rotor. The rotor is in an annular shape formed by a plurality of permanent magnets in a head-to-tail connection mode. The magnetizing directions of two adjacent permanent magnets are opposite. The stator is composed of a plurality of iron cores and coils respectively wound on the iron cores. The iron cores are arranged around the periphery of the rotor. The permanent magnet transverse magnetic flow motor achieves simplification of the structure and the process, is easy to machine and manufacture and solves the technical problems that in the prior art, due to the complex structure, machining and manufacturing are difficult and heat dissipation is inconvenient.

Description

The permanent magnetism transverse flux motor

Technical field

The present invention relates to a kind of motor (comprising generator and motor), particularly a kind of permanent magnetism transverse flux motor.

Background technology

Fig. 1 is the cutaway view of permanent magnetism transverse flux motor in the prior art, stator is fixed on the casing 7, and somely be U-shaped iron core 1 and be embedded in permanent magnet 2, the permanent magnet 3 in the U-shaped iron core and the winding 4 that is wrapped on the U-shaped iron core 1 constitutes by what be distributed in peritrochanteric, permanent magnet 2 is opposite with the magnetizing direction of permanent magnet 3; Rotor is made of the polylith rotor core 5 that is installed on the non-magnet material cylinder 8, fixedly connected between non-magnet material cylinder 8 and the rotor shaft 6, between rotor shaft 6 and the casing 7 bearing 9 is installed, rotor core 5 adjacent two be one group be distributed in distance and with a pair of U-shaped iron core 1 corresponding setting, shown in Fig. 2-4, should be identical to U-shaped iron core 1 shape, but the magnetizing direction of its inner permanent magnetic body is opposite, adjacent rotor iron core 5 shapes are the same, apart from one another by a distance, this rotor structure is difficult to accurate installation, and the technology of the embedded permanent magnet of stator is difficulty relatively, and is difficult for heat radiation.

Summary of the invention

The invention provides a kind of permanent magnetism transverse flux motor, in order to overcome defective of the prior art, realize simplified structure and technology, be easy to processing and manufacturing.

The invention provides a kind of permanent magnetism transverse flux motor, described motor has stator and rotor, and described rotor is connected from beginning to end by a plurality of permanent magnets and is circular, and the magnetizing direction of adjacent two permanent magnets is opposite; Described stator is made of a plurality of iron cores and the winding that is wrapped in respectively on the described iron core, and described iron core was arranged around described one week of rotor periphery.

Technique effect of the present invention is: by changing the structure of stator and rotor, reach structure and the manufacturing process of simplifying the permanent magnetism transverse flux motor, be easy to processing and manufacturing.

Description of drawings

Fig. 1 is the cutaway view of permanent magnetism transverse flux motor in the prior art;

Fig. 2 is the stereogram that a pair of rotor core and a pair of U-shaped iron core distribute among Fig. 1;

Fig. 3 is along the front view of V one group rotor iron core and U-shaped iron core to the front among Fig. 2;

Fig. 4 is along the V front view of a group rotor iron core and U-shaped iron core rearwards among Fig. 2;

The stereogram of Fig. 5 permanent magnetism transverse flux motor of the present invention embodiment one;

Fig. 6 is the front view of Fig. 5 rotor;

The stereogram of Fig. 7 permanent magnetism transverse flux motor of the present invention embodiment two;

Fig. 8 is the front view of Fig. 7;

Fig. 9 is the stereogram of iron core among the invention permanent magnetism transverse flux motor embodiment two and the installation of stator retainer ring;

Figure 10 is the front view of invention permanent magnetism transverse flux motor embodiment two rotors and the installation of rotor connector.

Embodiment

Embodiment one

Shown in Fig. 5-6, the embodiment of the invention provides a kind of permanent magnetism transverse flux motor, and this motor has stator and rotor, and rotor rotates with rotor shaft 14, rotor is connected by a plurality of permanent magnet 13 head and the tail and is circular, and the magnetizing direction of adjacent two permanent magnets 13 is opposite; Stator is made of a plurality of iron cores 11 and the winding 12 that is wrapped in respectively on the iron core 11, and a peripheral week of iron core 11 surrounding rotors arranges.

The permanent magnetism transverse flux motor of said structure, during making, iron core 11 can adopt the silicon steel sheet of U-shaped, be easy to processing, the iron core of making 11 can be fixed on the motor case, the cirque structure that rotor adopts a plurality of permanent magnets to be formed by connecting from beginning to end, stator adopts the structure of directly twining winding 12 at iron core, relative prior art, rotor has saved rotor core, has avoided installing at interval the operation of rotor core, stator has saved the permanent magnet that is embedded in wherein, avoided the complicated technology of embedded permanent magnet, overall structure is simple, is easy to processing.

In order to prevent the interelectrode leakageg between the permanent magnet, also the residual shim of making every the magnetic material can be set between adjacent two permanent magnets.

For the structure that makes motor is compacter, operational efficiency and generating efficiency are higher, and iron core 11 is specially U-shaped or C shape; The opening of iron core 11 is towards the center of circle of rotor; Rotor places in the opening of iron core 11.

Embodiment two

Shown in Fig. 7-10, on the basis of embodiment one, motor also have one be used for being connected with rotor shaft 14 and the circular rotor connector 15 and made by the non-magnetic material for the stator retainer ring 16 of fixedlying connected with motor case; The internal perisporium of rotor is fixedlyed connected with the periphery wall of this rotor connector 15; Iron core 11 all is fixed on the side of this stator retainer ring 16.Can adopt key to be connected between rotor connector 15 and the rotor shaft 14, be easy to install and be convenient to dismounting.

During making, the structure of iron core can adopt the silicon steel sheet of U-shaped, is easy to processing; As shown in Figure 9, can be at first the side of iron core 11 fixedly be distributed on the side of stator retainer ring 16, the winding that is wrapped on the iron core 11 can adopt concentrated winding (to be wrapped in separately on each iron core 11, to be easy to roll off the production line, as shown in Figure 7); Stator retainer ring 16 adopts stainless steel to make, and stator retainer ring 16 can add water cooling plant near the outside of winding, and is better to the cooling effect of winding.Iron core 11 all can be arranged in the two sides of stator retainer ring 16 in addition.

For the radius that increases rotor with the generating efficiency that improves generator and the operational efficiency of motor, permanent magnet 13 can be installed on the rotor connector 15, rotor connector 15 adopts the non-magnetic materials to make, and can save permanent magnet material, and then saves cost.

As shown in Figure 8, iron core 11 numbers of stator are P in the present embodiment, and P is 3 integral multiple, P=3k (k is positive integer).Along the rotor circumference direction the 1st, 1+3,1+3*2...1+3* (k-1) number iron core is defined as the A phase, the 2nd, 2+3,2+3*2...2+3* (k-1) number iron core is defined as the B phase, the 3rd, 3+3,3*3*2...3+3* (k-1) number iron core is defined as the C phase.Every phase k winding head and the tail successively connects, and series connection is a phase, and the winding direction of winding of same phase is identical.Three-phase stator winding is every all draws an inlet wire and an outlet mutually, and inlet wire and outlet pass to three-phase alternating current.The number of poles of rotor is Q, for the magnetic potential that guarantees the stator three-phase is put mutual deviation 120 degree, and the ratio Q of the number of poles of rotor and stator poles: P=2: 3 or get final product at 1: 3, concrete number of poles is chosen by the capacity of motor.

Claims

1. permanent magnetism transverse flux motor, described motor has stator and rotor, it is characterized in that, and described rotor is connected from beginning to end by a plurality of permanent magnets and is circular, and the magnetizing direction of adjacent two permanent magnets is opposite; Described stator is made of a plurality of iron cores and the winding that is wrapped in respectively on the described iron core, and described iron core was arranged around described one week of rotor periphery.

2. permanent magnetism transverse flux motor according to claim 1 is characterized in that, described iron core is U-shaped or C shape, and the opening of described iron core is towards the center of circle of described rotor.

3. permanent magnetism transverse flux motor according to claim 1 is characterized in that, described rotor places in the opening of described iron core.

4. according to the arbitrary described permanent magnetism transverse flux motor of claim 1-3, it is characterized in that, described motor also has a circular rotor connector that is used for being connected with rotor shaft and is made by the non-magnetic material, and the internal perisporium of described rotor is fixedlyed connected with the periphery wall of this rotor connector.

5. according to the arbitrary described permanent magnetism transverse flux motor of claim 1-3, it is characterized in that described motor also has one for the stator retainer ring of fixedlying connected with motor case.

6. permanent magnetism transverse flux motor according to claim 5 is characterized in that, described iron core all is fixed on the side of this stator retainer ring.

7. permanent magnetism transverse flux motor according to claim 5 is characterized in that, described iron core all is fixed on the two sides of this stator retainer ring.