CN103683558B

CN103683558B - Stator core used for engine

Info

Publication number: CN103683558B
Application number: CN201310237948.4A
Authority: CN
Inventors: 李云镐
Original assignee: Hyundai Mobis Co Ltd
Current assignee: Hyundai Mobis Co Ltd
Priority date: 2012-09-03
Filing date: 2013-06-17
Publication date: 2017-04-12
Anticipated expiration: 2033-06-17
Also published as: CN103683558A; KR20140030561A

Abstract

According to a stator core used for an engine provided by the invention, the engine comprises a rotor having a permanent magnet and a coil-wound stator core for rotating the rotor to form an electromagnetic field. The stator core is composed by combining one or more core parts with cross sections forming a step shape to form a cylinder shape.

Description

For the stator core of electromotor

Technical field

The present invention is the stator core with regard to possessing in electromotor, more specifically, is being used for regard to easy to manufacture The stator core of electromotor.

Background technology

Nearest automobile from taken to close environment, in view of fuel oil using combustion engine automobile or his form automobile, i.e. The carrying out that research and development to hybrid vehicle or electric automobile are being enlivened.

The engine that existing engine is driven with electric power energy is connected by hybrid vehicle, drives the vapour of two kinds of power resources Car, electric automobile only use electric power driven by energy electromotor, can reduce aerofluxuss and environmental pollution, and improve the effect of fuel oil rate of consumption Really, the young mobile for becoming recently the real correspondence attracted attention centered on the U.S. with Japan.

Such hybrid vehicle or electric automobile, for driving electric electromotor, are mounted with as driving source High-capacity battery, provides electric power to electromotor if necessary, and plays in vehicle deceleration, stopping, generating from regenerative power source Electric power energy does the effect charged for battery.

Thus, for vehicle electric motor by the multiple magnets possessed as larger permanent magnet rotor, Constituted with the stator generated to rotate this rotor.

Rotor is conveyed to outside with by the revolving force of this rotor case by the rotor case for possessing larger permanent magnet Rotary shaft is constituted, and stator is to promote rotary shaft by the engine casing for housing rotor and the iron core for combining coil and support More than one bearing can be rotated to be constituted.

Illustrated in Fig. 4 and Fig. 5, the example of the stator core of the conventional art with above-mentioned composition.

As illustrated in Fig. 4, stator core 10 is by the multiple iron core portions 11 that can make columnar stator core 10 Making is connected with each other, can be with winding coil 12 in the iron core portion 11 for constituting stator core 10.

Multiple iron core portion 11 of 12 winding of coil is connected with each other, and then forms cylindrical stator iron core 10, adhere to magnetic The rotor 20 of ferrum 21 can be arranged on the top and bottom of stator core 10, contactless with stator core 10 relative.

As illustrated in fig. 5, constitute stator core 10 iron core portion 11, be by multiple 12 laminates of iron core plate, Here typically making iron core plate 12 increases from the medial part of stator core 10 to lateral part length.That is, iron core portion 11 is and which His iron core portion 11 combines, and promotes to form a cylinder iron core 10, section is fabricated to trapezoidal form.

But, the stator core 10 of the conventional art with above-mentioned composition is made with length to make iron core portion 11 Not after the iron core plate 12 of phase, have the shortcomings that to be laminated this in order.That is, in order to make the stator core of conventional art 10, in order to make the iron core plate 12 with different length, there is a problem of preparing multiple moulds.

（Current art document）

（Patent documentation）

Korean Patent Laid the 2011-0137797th（The applying date：2010.04.1）

The content of the invention

（Technical problem to be solved）

The present invention is provided to the purpose of motor stator iron core is, i.e. easy to manufacture, it is also possible to save manufacture unit price.

（The means of solve problem）

Embodiments in accordance with the present invention are used for the stator core of electromotor, and the electromotor includes possessing turning for permanent magnet Son, the stator core with the coil windings for promoting to generate electronics magnetic field for rotating said rotor, the stator core is by one It is individual to combine to form cylindrical shape with upper section formation step shape iron core portion.

Here, the iron core lamination of the 1st group of iron core and the 2nd group can be combined by the iron core portion of the stator core, the 1 group of iron core lamination combines the multiple iron core plates with equal length, combines with equal length with the 2nd group of iron core lamination And the long multiple iron core plates lamination of length of the iron core than described 1st group is combined.

In addition, the iron core portion can form the more than one iron core with mutually different length is laminated knot in order Close, and from the central part of the stator core to outer diameter part, the length of the iron core can be increased in order.

It is used for motor stator iron core according to other embodiments of the invention, the electromotor includes possessing permanent magnet , with order that rotor rotation promotes the stator core of the coil windings for generating electronics magnetic field, the stator core is by wrapping for rotor Include the central part of the coil windings and the more than one iron core portion phase of the head of the both-side ends for being incorporated into the central part Combine to form cylindrical shape.

The central part can be made with the head and is combined as a whole by iron core portion described herein respectively.

In addition, the central part is combined to form by more than one rectangle iron core plate lamination, the rectangle ferrum Central layer part can form formed objects using the mould of same specification.

In addition, the head is made by metal dust crimping.

（The effect of invention）

Stator core for electromotor of the invention, the iron core portion for constituting stator core easily make, and can reduce In order to make the quantity of the mould in iron core portion, the manufacture unit price of stator core is saved.

Description of the drawings

Fig. 1 is the axonometric chart of the electromotor of the stator core with reference to the present invention；

Fig. 2 is the sectional view of the stator core of an embodiment of the invention；

Fig. 3 is the axonometric chart of stator core according to other embodiments of the invention；

Fig. 4 is the axonometric chart of the stator core of conventional art；And

Fig. 5 is the sectional view of the stator core of conventional art.

（Description of reference numerals）

100、120:Stator core

110、210:Iron core portion

111、211：Iron core plate

Specific embodiment

Hereinafter, according to the preferred embodiment of the present invention with reference to additional drawing, stator core is described in detail.

As illustrated in fig. 1, first embodiment of the invention, stator core 100 can be fabricated to by multiple iron core portions 110 combine to form cylindrical shape.

Stator core 100 passes through coil 120 of the winding in iron core portion 110 in the permanent magnet 131 combined with rotor 130 Between form electromagnetic field, and then rotate can rotor 130.

Rotor 130 is included in two rondelle plates 132 of the top of stator core 100 and bottom configuration, the two circles The plate 132 of template can be connected with each other by being inserted in the cylinder base of the central part of stator core 100, though not concrete scheme Show, but in order to the rotary driving force of rotor 130 is conveyed to outside, can arrange makes rotary shaft be fixed on cylinder base.

In addition, the rondelle plate 132 in rotor 130 can possess more than one at the position relative with stator core 100 Permanent magnet 131.

As illustrated in Figure 2, stator core 100 can be fabricated to the iron core portion that combination is laminated by multiple iron core plates 111 More than 110 combines to form cylindrical shape, can be in 110 winding coil of iron core in order to generate electromagnetic field.

The iron core portion 110 of the present embodiment may include, first group of iron core 110a, the multiple iron core plates with equal length 111 laminations are combined and are formed；2nd group of iron core 110b, by the length multiple iron core plate laminations longer than the 1st group of iron core 110a With reference to being formed；3rd group of iron core 110c, combines institute by length multiple iron core plate laminations longer than the 2nd group of iron core 110b Formed；4th group of iron core 110d, is combined by length multiple iron core plate laminations longer than the 3rd group of iron core 110c and is formed；The 5 groups of iron core 110e, is combined by length multiple iron core plate laminations longer than the 4th group of iron core 110d and is formed.

That is, after the iron core 110e from the 1st group of iron core 110a to the 5th group is all made by the iron core portion 110 of the present embodiment, This iron core 110a～110e can be laminated in order with reference to and then be made, it is different from conventional art in order to make iron core portion 110, Only using 5 moulds for blocking iron core plate 111, univalent effect is made with reducing.

The Single Iron core 110 of stator core 100 is constituted in the present embodiment, splits altogether the iron core of 5 groups of laminates 110a～110e, but the quantity of the quantity of iron core and iron core plate 111 is corresponding with engine specifications to carry out Free Transform, this For practitioner is self evident.

As illustrated in fig. 3, the iron core portion 210 of the 2nd embodiment stator core 200 of the invention is, by coil windings Central part 210a formed with the head 210b combined in the upside and downside of this central part 210a, central part 210a and head 210b can make the combination that interfixes respectively.

211 laminates of rectangle iron core plate, the central part 210a of the present embodiment can be used phase by central part 210a The mould of same specification, the rectangle iron core plate 211 for being fabricated to formed objects can be laminated with reference to making.

Head 210b can be fabricated to and promote what is broadened with the area from the central part of stator core 200 to outer diameter part Formed, for 210 laminating direction of central part, the upper side and downside for being fixed on the 210a of central part combines and promote orthogonal.

Head 210b is different from the iron core plate 211 for constituting the central part 210a, can make metal dust crimping, But in contrast to this in order to make head 210b, also steel plate can be blocked by other mould and be made.

More than, with reference to highly preferred embodiment of the present invention, illustrate for the stator core for electromotor of the present invention, but It is that interest field of the invention is not limited to above-described embodiment, various repairing can be carried out in the thought range less than the present invention The probability of the variant embodiment for changing, change and replacing is clear and definite for practitioner.

Claims

1. the stator core of electromotor is used for, and the electromotor includes possessing the rotor of permanent magnet and possesses in order that described turn Son rotates to generate the stator core (200) of the coil windings of electromagnetic field, it is characterised in that

The stator core (200) by including the iron core winding central part (210a) and the central part (210a) both sides The more than one iron core portion (210) of the head (210b) that end combines combines to form cylinder form, wherein, the head (210b) it is to be made by metal dust crimping,

The iron core portion (210) is to make respectively to be combined as a whole the central part (210a) with the head (210b),

More than one rectangle iron core plate (211) lamination of the central part (210a) is combined and is formed, described rectangular Shape iron core plate (211) is to form formed objects using the mould of same size.