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KR970002315A - Rotation sensor device and manufacturing method thereof - Google Patents

Rotation sensor device and manufacturing method thereof Download PDF

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Publication number
KR970002315A
KR970002315A KR1019950018390A KR19950018390A KR970002315A KR 970002315 A KR970002315 A KR 970002315A KR 1019950018390 A KR1019950018390 A KR 1019950018390A KR 19950018390 A KR19950018390 A KR 19950018390A KR 970002315 A KR970002315 A KR 970002315A
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South Korea
Prior art keywords
rotation sensor
sensor device
magnetoelectric conversion
conversion element
base
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KR0165713B1 (en
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하루마사 시바따
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기따오까 다까시
미쯔비시 덴끼 가부시끼가이샤
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed- or reversing-gearings for conveying rotary motion
    • F16H59/36—Inputs being a function of speed

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

본 발명은 저속 회전 범위에서도 높은 정밀도와 신뢰성 있게 회전 자기부재의 회전 속도를 검출할 수 있는 회전 센서 장치 및 이러한 회전 센서 장치를 간단한 공정으로 제조하는 방법에 관한 것이다. 이붙이 휠과 같은 회전부재(100)의 회전 주파수를 검출하기 위한 수단으로서 영구자석(25)과 자전기 변환 소자(22)가 사용된다. 이들 소자(22;25)가 선단부에 장착되어 있는 도체(24)는 소자(22;25) 및 도체에서 장착용 전극을 구성하는 부분이 기부(23)이 표면상에 적어도 부분적으로 노출되도록 삽입 성형 공정을 통해 수지재료의 기부(23)내에 일체식으로 매설된다. 전자부품(26)은 장착용 전극부(24a)상에 장착된다.The present invention relates to a rotation sensor device capable of detecting the rotational speed of a rotating magnetic member with high precision and reliability even in a low speed rotation range, and a method of manufacturing such a rotation sensor device in a simple process. The permanent magnet 25 and the magnetoelectric conversion element 22 are used as a means for detecting the rotational frequency of the rotating member 100 such as a toothed wheel. The conductors 24 in which these elements 22 and 25 are mounted at the distal end are inserted and molded so that the elements constituting the mounting electrodes in the elements 22 and 25 and the conductors are at least partially exposed on the surface. It is integrally embedded in the base 23 of the resin material through the process. The electronic component 26 is mounted on the mounting electrode portion 24a.

Description

회전 센서 장치 및 그 제조 방법Rotation sensor device and manufacturing method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 제1실시예에 따른 회전 센서의 측단면도, 제2도는 회전 센서 제조의 중간 단계에서 회전 센서 장치 기부의 저면도.1 is a side cross-sectional view of a rotation sensor according to a first embodiment of the present invention, and FIG. 2 is a bottom view of the base of the rotation sensor device at an intermediate stage of manufacturing the rotation sensor.

Claims (12)

회전 자기부재의 회전 상태 검출용 회전 센서 장치에 있어서, 상기 회전 자기 부재가 회전할 때 발생하는 자기선속의 변화를 검출하기 위한 자전기 변환 소자; 적어도 상기 자전기 변환 소자를 유지하기 위한 수지 재료의 기부; 삽입 성형 공정을 통해 상기 기부내에 일체식으로 매설되고, 상기 기부의 표면상에 부분 및 국부적으로 노출되어 있으며, 상기 자전기 변환 소자가 전기적으로 접속되어 있는 삽입 도체; 상기 삽입 도체의 대응부분을 겹구조로 굽힘 가공함으로써 상기 삽입 도체의 상기 노출부에 의해 적어도 부분적으로 각각 형성된 노출 장착용 전극; 상기 노출 장착용 전극상에 장착되고 상기 자전기 변환 소자에 전기적으로 접속된 적어도 하나의 전자 부품; 및 상기 삽입 도체의 단부로 형성된 단자 전극을 가지고 있는 커넥터부를 구비하는 것을 특징으로 하는 회전센서 장치.A rotation sensor device for detecting a rotation state of a rotating magnetic member, comprising: a magnetoelectric conversion element for detecting a change in magnetic flux generated when the rotating magnetic member rotates; A base of a resin material for holding at least the magnetoelectric conversion element; An insertion conductor integrally embedded in the base through an insert molding process, partially and locally exposed on the surface of the base, wherein the magnetoelectric conversion element is electrically connected; An exposure mounting electrode formed at least in part by the exposed portion of the insertion conductor by bending the corresponding portion of the insertion conductor into a layered structure; At least one electronic component mounted on the exposure mounting electrode and electrically connected to the magnetoelectric conversion element; And a connector portion having a terminal electrode formed at an end of the insertion conductor. 제1항에 있어서, 상기 자전기 변환 소자는 홀 소자로 이루어진 것을 특징으로 하는 회전센서 장치.The rotation sensor device of claim 1, wherein the magnetoelectric conversion element comprises a hall element. 제1항에 있어서, 상기 자전기 변환 소자는 자기 저항소자로 이루어진 것을 특징으로 하는 회전센서 장치.The rotation sensor device of claim 1, wherein the magnetoelectric conversion element comprises a magnetoresistive element. 제1항에 있어서, 상기 전자부품은 노이즈 필터 회로 및 상기 자전기 변환 소자는 출력 신호를 펄스 신호로 성형하기 위한 신호 형성 회로로 이루어진 것을 특징으로 하는 회전센서 장치.The rotation sensor device according to claim 1, wherein said electronic component comprises a noise filter circuit and said magnetoelectric conversion element comprising a signal forming circuit for shaping an output signal into a pulse signal. 제1항에 있어서, 상기 회전 자기부재는 이붙이 휠이 형태로 구비되는 것을 특징으로 하는 회전센서 장치.According to claim 1, wherein the rotating magnetic member is a rotation sensor device characterized in that the toothed wheel is provided in the form. 제1항에 있어서, 자기 회로를 완성하기 위해 상기 자전기 변환 소자와 상기 회전 자기부재의 자기로내에 개재된 영구자석을 더 구비하며, 상기 자전기 변환 소자는 상기 영구자석과 상기 자전기 변환 소자 사이에 개재된 접착제로 상기 영구자석의 정상면에 접합되는 것을 특징으로 하는 회전센서 장치.The magnetoelectric conversion device of claim 1, further comprising a permanent magnet interposed in the magnetoelectric conversion element and the magnetic furnace of the rotating magnetic member to complete a magnetic circuit. The magnetoelectric conversion element includes the permanent magnet and the magnetoelectric conversion element. Rotation sensor device characterized in that bonded to the top surface of the permanent magnet with an adhesive interposed therebetween. 제6항에 있어서, 상기 접착제로 경화된 후에도 탄성을 나타낼 수 있는 성분으로 제조된 것을 특징으로 하는 회전 센서 장치.7. The rotation sensor device according to claim 6, wherein the rotation sensor device is made of a component that can exhibit elasticity even after curing with the adhesive. 제1항에 있어서, 상기 영구자석은 그 정상 표면이 상기 기부표면상에 노출되게 삽입 성형 공정을 통해 상기 기부내에 매설되어 있는 것을 특징으로 하는 회전센서 장치.The rotation sensor device according to claim 1, wherein the permanent magnet is embedded in the base through an insert molding process so that its top surface is exposed on the base surface. 회전부재의 회전 속도를 측정하기 위한 장치에 있어서, 상기 회전부재상에 고정 장착된 이붙이 자기 디스크; 상기 회전부재상에 장착된 상기 이붙이 자기디스크에 대향 배치된 회전 센서 장치; 상기 회전 센서 장치의 출력 신호를 성형하여 펄스 신호를 발생하도록 상기 회전 센서 장치의 출력부에 접속된 성형 회로 수단 및; 상기 펄스 신호에 근거하여 상기 회전부재의 회전 속도를 결정하기 위한 산술 수단을 구비하며, 상기 회전 센서 장치는, 상기 이붙이 자기디스크가 회전할 때 발생하는 자기선속의 변화를 검출하기 위한 자전기 변환소자; 상기 자전기 변환 소자를 유지하기 위한 수지 재료로 된 기부; 삽입 성형 공정을 통해 상기 기부내에 매설되고 상기 기부의 표면상에 부분 및 국부적으로 노출되어 있으며, 상기 자전기 변환 소자가 전기적으로 접속되어 있는 삽입 도체; 상기 삽입 도체의 노출부를 겹 구조로 굽힘 가공하므로써 상기 삽입 도체의 상기 노출부에 의해 적어도 부분적으로 각각 형성된 노출 장착용 전극부; 상기 노출 장착용 전극상에 장착되고 상기 자전기 변환소자에 전기적으로 접속된 적어도 하나의 전자부품; 및 상기 삽입 도체의 단부로 형성된 단자전극을 가지고 있는 커넥터부로 이루어져 있는 것을 특징으로 하는 회전부재의 회전 속도를 측정하기 위한 장치.An apparatus for measuring the rotational speed of a rotating member, comprising: a toothed magnetic disk fixedly mounted on the rotating member; A rotation sensor device disposed opposite the toothed magnetic disk mounted on the rotation member; Shaping circuit means connected to an output of said rotation sensor device to shape an output signal of said rotation sensor device to generate a pulse signal; And arithmetic means for determining the rotational speed of the rotating member based on the pulse signal, wherein the rotation sensor device has a magnetoelectric conversion for detecting a change in the magnetic flux generated when the magnetic disk is rotated. device; A base made of a resin material for holding the magnetoelectric conversion element; An insertion conductor embedded in the base through an insert molding process and partially and locally exposed on the surface of the base, wherein the magnetoelectric conversion element is electrically connected; An exposure mounting electrode portion formed at least partially by the exposed portion of the inserted conductor by bending the exposed portion of the inserted conductor into a layered structure; At least one electronic component mounted on the exposure mounting electrode and electrically connected to the magnetoelectric conversion element; And a connector portion having a terminal electrode formed at an end of the insertion conductor. 회전 자기부재의 회전 상태 검출용 회전 센서 장치의 제조방법에 있어서, 접합부로 상호 연결된 개개의도체를 갖고 있는 삽입 반도체 스트립을 프레스 작업에 의해 소정 형상으로 형성하는 단계와; 상기 삽입 도체의소정부분을 겹 구조로 굽힘 가공하므로써 노출 장착용 전극부를 형성하는 단계와; 상기 프레스 작업으로 형성된 상기 삽입 도체 스트립을 삽입 성형 공정을 통해 수지재료로 된 기부내에 매설하고 접합부중 불필요한 부분을 절취하는 단계와; 자전기 변환 소자를 전기 접속용 상기 삽입 도체에 접속하는 단계와; 상기 삽입 도체의 노출 장착용 전극상에서 그 소정 부위에 외부적으로 포장되는 전자 부품을 장착하는 단계와; 상기 기부를 케이싱내에 수용하고 상기 케이싱의 개방 단부에 가열 고착하므로써 상기 기부와 상기 케이싱을 서로 고착하는 단계로 이루어진 것을 특징으로 하는 회전 센서 장치의 제조 방법.CLAIMS 1. A method of manufacturing a rotation sensor device for detecting a rotational state of a rotating magnetic member, comprising the steps of: forming an inserted semiconductor strip having individual conductors interconnected by a joining portion in a predetermined shape by a press operation; Forming an exposed mounting electrode by bending a predetermined portion of the inserted conductor into a layered structure; Embedding the inserted conductor strip formed by the press work into a base made of a resin material through an insert molding process, and cutting unnecessary portions of the joint portion; Connecting a magnetoelectric conversion element to said insertion conductor for electrical connection; Mounting an electronic component that is externally packaged at a predetermined portion on the exposure mounting electrode of the insertion conductor; Fixing the base and the casing to each other by accommodating the base in a casing and heat-fixing to an open end of the casing. 제10항에 있어서, 삽입 성형 공정을 통해 수지재료로부터 상기 기부를 형성할 때 상기 삽입 도체 스트립의 상기 접합부에 대응하는 부위에 오목부가 형성되고, 상기 삽입 도체 스트립을 상기 삽입 성형 공정을 통해 상기 기부내에 매설한 후, 상기 삽입 도체 스트립의 불필요한 접합부가 상기 오목부를 통해 공구를 삽입하므로써 절취되는 것을 특징으로 하는 회전 센서 장치의 제조 방법.11. The method of claim 10, wherein when forming the base from the resin material through an insert molding process, a recess is formed in a portion corresponding to the junction of the insert conductor strip, and the insert conductor strip is formed through the insert molding process. And after embedding therein, an unnecessary joint of the inserted conductor strip is cut by inserting a tool through the recess. 제11항에 있어서, 오목부는 상기 기부에서 상기 노출 장착용 전극부에 대응하는 위치에 형성되는 것을 특징으로 하는 회전 센서 장치의 제조 방법.The manufacturing method of the rotation sensor apparatus according to claim 11, wherein the recess is formed at a position corresponding to the exposure mounting electrode at the base. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950018390A 1995-06-26 1995-06-26 Rotation sensor and method for manufacturing the same Expired - Lifetime KR0165713B1 (en)

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KR0165713B1 KR0165713B1 (en) 1999-03-20

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Publication number Priority date Publication date Assignee Title
KR100987301B1 (en) * 2008-10-27 2010-10-13 주식회사 일진글로벌 Manufacturing method of wheel speed sensor
CN104977423B (en) * 2015-06-19 2017-12-01 中国航空工业集团公司上海航空测控技术研究所 A kind of magnetoelectric tachometric transducer

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