CN106451845A

CN106451845A - Rotor silicon steel sheet

Info

Publication number: CN106451845A
Application number: CN201510479021.0A
Authority: CN
Inventors: 徐君康
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-08-07
Filing date: 2015-08-07
Publication date: 2017-02-22

Abstract

The invention relates to a rotor silicon steel sheet which is characterized in that the rotor silicon steel sheet comprises a silicon steel sheet body (1) which is ring-shaped; the center hole is an installation shaft hole, and the outer side is provided with coil clamping slots; and the silicon steel sheet body (1) is provided with heat dissipation holes (2) which are trapezoidal, there are double or multiple layers of heat dissipation holes (2), and the width of each heat dissipation hole (2) is less than half the distance between two corresponding adjacent heat dissipation holes (2). The rotor silicon steel sheet of the invention has the advantage that the rotor silicon steel sheet has better heat dissipation performance and can meet the need for high power. By improving the material of the silicon steel sheet, the iron loss value of the silicon steel sheet is reduced, the magnetic induction intensity is improved significantly, the problem in the prior art that the iron loss reducing technology and the magnetic induction intensity improving technology are contradictory is solved, and the magnetic property of the silicon steel sheet is improved significantly. Because of low loss and high magnetic induction intensity of the silicon steel sheet, the consumption is reduced, a lot of power is saved, and good economic and social benefits are achieved.

Description

Rotor stalloy

Technical field

The present invention relates to a kind of stalloy, more particularly, to a kind of rotor stalloy, belong to field of electromechanical technology.

Background technology

Stalloy is a kind of extremely low silicon-iron soft magnetic alloy of carbon containing, and general silicon content is 0.5～4.5%, adds silicon can improve resistivity and the maximum permeability of ferrum, is mainly used to make the iron core of various transformators, motor and electromotor.

The louvre of the unilateral upper setting of conventional rotor silicon steel has the shortcomings that not satisfactory, have impact on the heat dispersion of rotor, affects the work efficiency of whole motor.The core loss value of simultaneously conventional stalloy higher it is impossible to meet the higher and higher requirement of aerogenerator stator.

Content of the invention

It is an object of the invention to overcoming above-mentioned deficiency, provide a kind of good heat dissipation, the relatively low rotor stalloy of core loss value.

The object of the present invention is achieved like this：

Rotor stalloy of the present invention, it includes stalloy body, stalloy body is in cirque structure, centre bore is to install axis hole, and outside is the draw-in groove of coil, is provided with louvre on stalloy body, described louvre is trapezium structure, described louvre is double-deck or multilamellar, and the width of louvre is less than the half of distance between two adjacent heat radiation holes, and the material of described stalloy body is：C 0.06-0.08%, Si 2.6-3.2%, Mn 0.15-0.25%, Als 0.02-0.03%, Co 0.2-0.25%, Cr 0.15-0.25%, Sn 0.05-0.1%, V 0.03-0.05%, Hf 0.015-0.025%, Ta 0.008-0.012%, B 0.002-0.003%, N 0.004-0.005%, Sc 0.02-0.03%, Gd 0.015-0.025%, Yb 0.01-0.02%, P≤0.05%, S≤0.0025%, remaining is Fe.

Rotor stalloy of the present invention has advantages below：

Rotor stalloy of the present invention has the advantages that degree of heat radiation is more preferable, disclosure satisfy that high-power needs, simultaneously by improving to the material of stalloy, reduce iron loss of silicon steel sheet value, its magnetic induction can also be significantly improved, solve the problems, such as that prior art reduces iron loss conflicting with the technique improving magnetic strength, significantly improve the magnetic performance of stalloy, due to the high magnetic strength of the low-loss of stalloy, consumption can be reduced, save substantial amounts of electric power, there is good economic and social benefit.

Brief description

Fig. 1 is the structural representation of rotor stalloy of the present invention.

In figure：Stalloy body 1, louvre 2.

Specific embodiment

Referring to Fig. 1, the present invention relates to a kind of rotor stalloy, it includes stalloy body 1, and stalloy body 1 is in cirque structure, and centre bore is to install axis hole, outside is the draw-in groove of coil, louvre 2 is provided with stalloy body 1, described louvre 2 is trapezium structure, described louvre 2 is double-deck or multilamellar, the width of louvre 2 is less than the half of distance between two adjacent heat radiation holes 2, and the material of described stalloy body 1 is：C 0.06-0.08%, Si 2.6-3.2%, Mn 0.15-0.25%, Als 0.02-0.03%, Co 0.2-0.25%, Cr 0.15-0.25%, Sn 0.05-0.1%, V 0.03-0.05%, Hf 0.015-0.025%, Ta 0.008-0.012%, B 0.002-0.003%, N 0.004-0.005%, Sc 0.02-0.03%, Gd 0.015-0.025%, Yb 0.01-0.02%, P≤0.05%, S≤0.0025%, remaining is Fe.

Claims

1. a kind of rotor stalloy it is characterised in that：It includes stalloy body（1）, stalloy body（1）In cirque structure, centre bore is to install axis hole, and outside is the draw-in groove of coil, in stalloy body（1）On be provided with louvre（2）, described louvre（2）It is trapezium structure, described louvre（2）It is double-deck or multilamellar, louvre（2）Width be less than two adjacent heat radiation holes（2）Between distance half, described stalloy body（1）Material be：C 0.06-0.08%, Si 2.6-3.2%, Mn 0.15-0.25%, Als 0.02-0.03%, Co 0.2-0.25%, Cr 0.15-0.25%, Sn 0.05-0.1%, V 0.03-0.05%, Hf 0.015-0.025%, Ta 0.008-0.012%, B 0.002-0.003%, N 0.004-0.005%, Sc 0.02-0.03%, Gd 0.015-0.025%, Yb 0.01-0.02%, P≤0.05%, S≤0.0025%, remaining is Fe.