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KR0155020B1 - Step motor - Google Patents

Step motor Download PDF

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Publication number
KR0155020B1
KR0155020B1 KR1019940019762A KR19940019762A KR0155020B1 KR 0155020 B1 KR0155020 B1 KR 0155020B1 KR 1019940019762 A KR1019940019762 A KR 1019940019762A KR 19940019762 A KR19940019762 A KR 19940019762A KR 0155020 B1 KR0155020 B1 KR 0155020B1
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KR
South Korea
Prior art keywords
step motor
pole pieces
housing
pole piece
coil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
KR1019940019762A
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Korean (ko)
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KR960009347A (en
Inventor
박일웅
Original Assignee
이형도
삼성전기주식회사
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Application filed by 이형도, 삼성전기주식회사 filed Critical 이형도
Priority to KR1019940019762A priority Critical patent/KR0155020B1/en
Publication of KR960009347A publication Critical patent/KR960009347A/en
Application granted granted Critical
Publication of KR0155020B1 publication Critical patent/KR0155020B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
    • H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
    • H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
    • H02K37/14—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
    • 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
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Windings For Motors And Generators (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

스텝모터를 개시하는 바, 이는 사무자동화 기기나 공장자동화 기기등에 사용되는 고도의 제조기술과 조립기술이 요구되는 스텝모터 내의 한 쌍의 상, 하 어퍼폴피스를 편편형으로 구조적인 변경과 권선된 코일을 개선시킴으로써, 제품의 슬립 박형화하여 보다 편리하고 다양한 제품에 설치할 수 있다.Since the step motor is disclosed, it is a single-sided structural change and winding of a pair of upper and lower upper pole pieces in the step motor that require high manufacturing and assembly techniques used in office automation equipment or factory automation equipment. By improving the coil, the product can be made slimmer and more convenient and installed in various products.

Description

스텝모터Step motor

제1도는 종래 기술에 따른 스텝모터를 나타낸 단면도.1 is a cross-sectional view showing a step motor according to the prior art.

제2도는 이 발명에 따른 스텝모터를 나타낸 단면도.2 is a cross-sectional view showing a step motor according to the present invention.

제3도는 제3도의 스텝모터를 나타낸 평면도.3 is a plan view showing the step motor of FIG.

제4도는 어퍼폴피스를 나타낸 사시도이다.4 is a perspective view showing the upper pole piece.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10,30 : 하우징 12,32 : 회전축10,30 housing 12,32 rotation axis

14,34 : 마그네트 16,36 : 베어링14,34: Magnet 16,36: Bearing

18,18a : 외부폴피스 20,20a : 내부폴피스18,18a: Outer pole piece 20,20a: Inner pole piece

22 : 코일 38,38a : 상부 어퍼폴피스22: coil 38,38a: upper upper pole piece

40,40a : 하부 어퍼폴피스40,40a: Lower upper pole piece

이 발명은 스텝모터에 관한 것으로서, 더욱 상세하게는 고도의 정밀 제조기술 및 조립기술이 요구되는 스텝모터 내의 폴피스(Pole Piece)형상을 타원형으로 변형하고 구조적인 좌,우 대칭 분리와 이에 따른 코일의 권선을 개선함으로써, 제품을 슬립 박형화하여 보다 편리하게 설치할 수 있도록 한 스텝모터에 관한 것이다.The present invention relates to a step motor, and more particularly, to deforms an oval shape of a pole piece shape in a step motor requiring high precision manufacturing technology and assembly technology, and to structural symmetry of left and right symmetrical separation and a coil accordingly. The present invention relates to a stepper motor that can be installed more conveniently by slimming down the product by improving the winding of the wire.

일반적으로 사무자동화 기기나 공장자동화 기기등과 같은 위치의 정밀도와 자기절연이 중요시되는 제품에 사용하는 스텝모터는 제1도에 나타낸 바와 같이 하우징(10)의 중앙부에는 회전축(12)이 수직으로 설치되어 있으며, 하우징(10)으로 밀폐되어 있는 회전축(12)의 외주면에는 소정부위에 마그네트(14)가 부착되어 고정되어 있다.In general, as shown in FIG. 1, a step motor used in a product in which positional accuracy and magnetic insulation are important, such as an office automation device or a factory automation device, has a rotary shaft 12 installed vertically in the center of the housing 10. The magnet 14 is attached to and fixed to a predetermined portion on the outer circumferential surface of the rotating shaft 12 sealed by the housing 10.

그리고, 상기 하우징(10)의 수직 상, 하에는 회전축(12)을 원활히 회전시키도록 복수개의 베어링(16)이 삽입 설치되어 있다.In addition, a plurality of bearings 16 are inserted into upper and lower vertical portions of the housing 10 to smoothly rotate the rotation shaft 12.

또한, 상기 하우징(10) 내측면의 상,하부에는 한쌍의 외부폴피스(18,18a)가 설치되어 있고, 이 상, 하부에 설치되어 있는 한 쌍의 외부폴피스(18,18a)의 사이에는 한 쌍의 내부폴피스(20,20a)가 대분되어 대칭이 되도록 설치되며 또한, 상기 외,내부폴피스(18,18a,20,20a)의 소정부위면에는 코일(22)이 권선되어 있다.In addition, a pair of outer pole pieces 18 and 18a is provided on the upper and lower portions of the inner surface of the housing 10, and between the pair of outer pole pieces 18 and 18a provided on the upper and lower portions thereof. There is a pair of inner pole pieces 20, 20a are installed so as to be symmetrical and a coil 22 is wound around a predetermined portion of the outer and inner pole pieces 18, 18a, 20, 20a. .

따라서, 상기와 같은 스텝모터는 외,내부 폴피스에 권선되어 있는 코일에 외부 전원이 인가하면 코일과 회전축의 외주면에 부착 고정되어 있는 마그네트 사이에서 상호작용에 의해 N , S극의 자계가 연속적으로 발생하여 회전축이 회전을 하게되는 것이다.Therefore, in the above step motor, when external power is applied to the coil wound on the outer and inner pole pieces, the magnetic fields of the N and S poles are continuously formed by the interaction between the coil and the magnet fixed to the outer circumferential surface of the rotating shaft. To rotate the axis of rotation.

그러나, 상기와 같이 구성된 종래 기술에 따른 스텝모터는 원통형 형상으로 구조적인 형상에 따른 설치공간의 많은 제약과 특히 토오크를 증대시키기 위해서는 외경에 따른 반경과 측방향으로 길이가 길어짐으로 더욱 설치 공간에 따른 규제가 따르며, 이로 인한 제품의 슬립 박형화에 많은 문제점이 있었다.However, the step motor according to the prior art configured as described above has a cylindrical shape with many constraints of the installation space according to the structural shape and in particular, in order to increase the torque, the length in the radial and lateral direction according to the outer diameter is further increased according to the installation space Regulation is followed, and there are many problems in slimming down the product.

이 발명은 상기와 같은 문제점을 해결하기 위한 것으로서, 이 발명의 목적은, 스텝모터 내의 한 쌍의 상,하부 폴피스(Pole Piece)의 형상을 편편형으로 구조적인 변경과 권선된 코일을 개선시킴으로써, 제품을 슬립 박형화시켜 다양한 공간에 대한 설치를 향상시킬 수 있도록한 스텝모터를 제공하는데 있다.The present invention has been made to solve the above problems, and an object of the present invention is to change the shape of a pair of upper and lower pole pieces in a step motor into one piece to improve structural changes and wound coils. It is to provide a step motor that can improve the installation in various spaces by slimming down the product.

상기와 같은 목적을 달성하기 위한 이 발명에 따른 스텝모터의 특징은, 외주면에 마그네트가 형성된 회전축이 하우징의 내부 중앙에 회전가능토록 설치되고 상기 하우징의 내부에 상기 마그네트를 감싸는 폴피스가 구비된 스텝모터에 있어서, 상기 폴피스는 서로 대칭되도록 상, 하부 폴피스로 분리 구성되며, 상기 상, 하부 풀피스는 각각 좌, 우측으로 분리되고 상기 상부 폴피스의 좌측 및 우측부분과 상기 하부 폴피스의 좌측 및 우측부분에 코일이 각각 권선되도록 구성된 점에 있다.A characteristic of the step motor according to the present invention for achieving the above object is a step in which a rotating shaft having a magnet formed on an outer circumferential surface thereof is rotatably installed in an inner center of the housing and has a pole piece surrounding the magnet in the housing. In the motor, the pole pieces are divided into upper and lower pole pieces so as to be symmetrical with each other, and the upper and lower full pieces are separated into left and right sides, respectively, and the left and right portions of the upper pole piece and the lower pole pieces are respectively. The coil is wound around the left side and the right side, respectively.

이하, 이 발명에 따른 스텝모터의 바람직한 일실시예에 대하여 첨부도면을 참조하여 상세하게 설명한다.Hereinafter, a preferred embodiment of the step motor according to the present invention will be described in detail with reference to the accompanying drawings.

제2도 내지 제4도는 이 발명에 따른 스텝모터를 나타낸 도면으로써, 상부가 개방된 하우징(30)의 중앙에는 회전축(32)이 수직으로 설치되며, 회전축(32)의 외면 소정부위에는 마그네트(34)가 부착 고정되어 있다.2 to 4 are diagrams illustrating a step motor according to the present invention, in which a rotating shaft 32 is vertically installed at the center of the housing 30 having an open upper portion, and a magnet (or a predetermined portion) at an outer surface of the rotating shaft 32. 34) is attached and fixed.

그리고, 하우징(30)의 개방된 부위면은 지지판(30a)으로 밀폐되고, 하우징(30)과 지지판(30a)의 수직 상,하에는 베어링(36)을 삽입 장착하여 회전축(32)이 원활히 회전하도록 설치되어 있다.In addition, the open part surface of the housing 30 is sealed by the support plate 30a, and the rotating shaft 32 smoothly rotates by inserting and mounting a bearing 36 on the vertical upper and lower sides of the housing 30 and the support plate 30a. It is installed to

한편, 하우징(30) 내부에는 상부 폴피스(38,38a)와 하부 폴피스(40,40a)가 서로 결합되어 좌, 우로 대분되도록 구성되어 있다.On the other hand, the upper pole pieces (38, 38a) and the lower pole pieces (40, 40a) are coupled to each other inside the housing 30 is configured to be divided into left and right.

또한, 상기 좌,우측 한쌍의 상부 폴피스(38,38a)의 형상은 내측부분이 하부방향으로 소정길이 굴곡 형성된 타원형상이고, 타원형상의 상면은 수평면으로 외측 일끝 부위가 하부로 굴곡 형성되어 있다.In addition, the left and right pairs of upper pole pieces 38 and 38a have an elliptical shape in which an inner portion is bent in a predetermined length in a downward direction, and an upper end portion of the elliptical shape is bent in a horizontal plane with one outer end portion bent downward.

그리고, 좌,우측 한 쌍의 상부 폴피스(38,38a)의 소정부위면에는 코일(42)이 권선되어 구성된다.The coil 42 is wound around a predetermined portion of the left and right pairs of upper pole pieces 38 and 38a.

또한, 하부 폴피스(40,40a)역시 상부 폴피스와 동일 구성을 갖는다.In addition, the lower pole pieces 40 and 40a also have the same configuration as the upper pole piece.

상기와 같이 구성된 이 발명에 따른 스텝모터의 작용을 제2도 내지 제4도를 참조하여 설명하면 다음과 같다.Referring to Figures 2 to 4 the operation of the step motor according to the present invention configured as described above are as follows.

스텝모터는 제2도 내지 제4도에 나타낸 바와 같이 한 쌍의 상, 하부 폴피스(38,38a,40,40a)의 좌, 우측에 각각 권선되어 있는 코일(42)에 외부 전원이 인가하면 코일과 회전축(32)의 외주면에 부착 고정되어 있는 마그네트(34)간의 상호작용에 의해 N,S극의 자계가 연속적으로 발생하여, 회전축(32)이 회전을 하게되며, 상, 하부 폴피스(38, 38a, 40, 40a)는 좌우대칭이 되도록 분리되어 슬립 박형화 할 수 있는 것이다.As shown in FIGS. 2 through 4, when the step motor is applied with an external power source to the coils 42 wound on the left and right sides of the pair of upper and lower pole pieces 38, 38a, 40, and 40a, respectively. Due to the interaction between the coil and the magnet 34 attached to the outer circumferential surface of the rotating shaft 32, the magnetic fields of the N and S poles are continuously generated, and the rotating shaft 32 rotates, and the upper and lower pole pieces ( 38, 38a, 40, 40a) are separated to be left and right symmetrical and can be slip-thin.

이상에서와 같이 이 발명에 따른 스텝모터는 폴피스(Pole Piece)의 형상을 변형하고 좌, 우 대칭이 되도록 구조적인 분리와 이에 따른 코일의 권선을 개선함으로써, 제품의 슬립 박형화하여 보다 편리하게 다양한 설치를 할 수 있는 효과가 있다.As described above, the step motor according to the present invention deforms the shape of the pole piece and improves the structural separation so that the left and right symmetry and the winding of the coil accordingly, thereby making the product slimmer and more convenient. It is effective to install.

Claims (1)

외주면에 마그네트가 형성된 회전축이 하우징의 내부 중앙에 회전가능토록 설치되고 상기 하우징의 내부에 상기 마그네트를 감싸는 폴피스가 구비된 스텝모터에 있어서, 상기 폴피스는 서로 대칭되도록 상, 하부 폴피스로 분리 구성되며, 상기 상, 하부 폴피스는 각각 좌, 우측으로 분리되고 상기 상부 폴피스의 좌측 및 우측 부분과 상기 하부 폴피스의 좌측 및 우측 부분에 코일이 각각 권선됨을 특징으로 하는 스텝모터.In a stepper motor having a rotating shaft having a magnet formed on an outer circumferential surface of the housing so as to be rotatable in an inner center of the housing and having a pole piece surrounding the magnet in the housing, the pole pieces are divided into upper and lower pole pieces so as to be symmetrical with each other. And the upper and lower pole pieces are respectively separated into left and right sides, and coils are wound around left and right portions of the upper pole piece and left and right portions of the lower pole piece, respectively.
KR1019940019762A 1994-08-11 1994-08-11 Step motor Expired - Fee Related KR0155020B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940019762A KR0155020B1 (en) 1994-08-11 1994-08-11 Step motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940019762A KR0155020B1 (en) 1994-08-11 1994-08-11 Step motor

Publications (2)

Publication Number Publication Date
KR960009347A KR960009347A (en) 1996-03-22
KR0155020B1 true KR0155020B1 (en) 1998-12-15

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KR1019940019762A Expired - Fee Related KR0155020B1 (en) 1994-08-11 1994-08-11 Step motor

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