JP2762706B2 - Magnetic sensor - Google Patents
Magnetic sensorInfo
- Publication number
- JP2762706B2 JP2762706B2 JP2137827A JP13782790A JP2762706B2 JP 2762706 B2 JP2762706 B2 JP 2762706B2 JP 2137827 A JP2137827 A JP 2137827A JP 13782790 A JP13782790 A JP 13782790A JP 2762706 B2 JP2762706 B2 JP 2762706B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic sensor
- lead wire
- sensor element
- hole
- wall surface
- 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 - Lifetime
Links
Landscapes
- Measuring Magnetic Variables (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、民生・産業分野において主に回転検出に用
いられる磁気センサに関するものがある。The present invention relates to a magnetic sensor mainly used for rotation detection in the consumer and industrial fields.
従来の技術 以下に従来の磁気センサについて説明する。2. Description of the Related Art A conventional magnetic sensor will be described below.
第２図a,bはそれぞれ従来の磁気センサの構成を示す
斜視図及び側面図である。2a and 2b are a perspective view and a side view, respectively, showing the configuration of a conventional magnetic sensor.
図において、11は磁気センサ素子、12は磁気センサ素
子11を保持する保持部材で磁気センサ素子11を、回路基
板等へ取付ける際の位置決め部及び取付部等を有する。
13は磁気センサ素子11から引き出されたリード線であ
る。なおリード線13は半田付時の熱による伸縮や磁気セ
ンサの位置調整時の機械的応力を吸収するためにバネ性
のある材質を用いている。In the figure, reference numeral 11 denotes a magnetic sensor element, and 12 denotes a holding member for holding the magnetic sensor element 11, which has a positioning portion and a mounting portion for mounting the magnetic sensor element 11 on a circuit board or the like.
Reference numeral 13 denotes a lead wire drawn from the magnetic sensor element 11. The lead wire 13 is made of a material having a spring property to absorb expansion and contraction due to heat during soldering and mechanical stress at the time of adjusting the position of the magnetic sensor.
発明が解決しようとする課題 しかしながら上記の従来の構成では、リード線13が変
形しやすく、リード線13を半田付する回路基板上のラン
ドを小さくできない、あるいは回路基板のスルホールに
リード線を導くことが困難であるという問題点を有して
いた。However, in the above-described conventional configuration, the lead wire 13 is easily deformed, and the land on the circuit board to which the lead wire 13 is soldered cannot be reduced, or the lead wire is led to a through hole of the circuit board. Is difficult.
本発明は上記従来の問題点を解決するもので、リード
線の材質を変更することなく、リード線の変形が少なく
位置精度を高めることのできる磁気センサを提供するこ
とを目的とする。An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a magnetic sensor capable of improving the positional accuracy with little deformation of the lead wire without changing the material of the lead wire.
課題を解決するための手段 この目的を達成するために本発明の磁気センサは、基
板上に強磁性薄膜を有し複数本のリード線を同一方向に
引き出した磁気センサ素子と、この磁気センサ素子を保
持しかつ前記リード線が挿入される複数個の貫通孔を有
した保持部材と、前記貫通孔に挿入されリード線を貫通
孔の壁面に押し付ける複数の突出片を有した押し付け部
材とを備えたものである。Means for Solving the Problems In order to achieve this object, a magnetic sensor according to the present invention includes a magnetic sensor element having a ferromagnetic thin film on a substrate and a plurality of lead wires drawn out in the same direction; A holding member having a plurality of through holes into which the lead wire is inserted, and a pressing member having a plurality of projecting pieces inserted into the through hole and pressing the lead wire against the wall surface of the through hole. It is a thing.
作用 このように構成された本発明の磁気センサによれば、
磁気センサ素子は貫通孔に貫通したリード線が押し付け
部材の突出片により前記貫通孔の壁面に押し付けられる
ことにより、前記リード線が精度よく所定の位置に固定
されるものである。よって、リード線の変形が少なく位
置精度を高めることができる。According to the magnetic sensor of the present invention configured as described above,
In the magnetic sensor element, the lead wire penetrating the through hole is pressed against the wall surface of the through hole by a projecting piece of a pressing member, so that the lead wire is accurately fixed at a predetermined position. Therefore, the deformation of the lead wire is small and the positional accuracy can be improved.
実施例 以下、本発明の一実施例の磁気センサについて、図面
を参照しながら説明する。Embodiment Hereinafter, a magnetic sensor according to an embodiment of the present invention will be described with reference to the drawings.
第１図a,b,cは、それぞれ本実施例の磁気センサの斜
視図、側面図、及び断面図である。また第１図ｄはその
要部斜視図である。図において、１は磁気センサ素子で
あり、基板上に強磁性薄膜を有し、かつ複数本のリード
線３を同一方向に引き出した構成である。２は磁気セン
サ素子１を保持する保持部材で、この保持部材２に前記
リード線３と同数の貫通孔４が設けられ、この貫通孔４
にリード線３を挿入することにより下方に突出してい
る。５は保持部材２上に配置された磁気センサ素子１を
覆い固定する押し付け部材で、この押し付け部材５は貫
通孔４に挿入されたリード線３を壁面4aに押し付ける複
数の突出片６を備えている。この突出片６により壁面4a
に押さえ付けられたリード線３は、位置精度高く固定さ
れ、変形も少ないものとなる。よって本実施例の磁気セ
ンサを回路基板に取り付ける際、例えばスルホールに複
数本のリード線３を挿入する作業を正確にかつ容易に行
うことができる。1a, 1b, and 1c are a perspective view, a side view, and a cross-sectional view, respectively, of a magnetic sensor according to the present embodiment. FIG. 1d is a perspective view of the main part. In the figure, reference numeral 1 denotes a magnetic sensor element having a ferromagnetic thin film on a substrate and having a plurality of lead wires 3 drawn out in the same direction. Reference numeral 2 denotes a holding member for holding the magnetic sensor element 1. The holding member 2 is provided with the same number of through holes 4 as the lead wires 3.
The lead wire 3 protrudes downward by inserting the lead wire 3. Reference numeral 5 denotes a pressing member for covering and fixing the magnetic sensor element 1 disposed on the holding member 2, and the pressing member 5 includes a plurality of protruding pieces 6 for pressing the lead wire 3 inserted into the through hole 4 against the wall surface 4a. I have. The projecting piece 6 allows the wall surface 4a
The lead wire 3 pressed down is fixed with high positional accuracy and has little deformation. Therefore, when the magnetic sensor of this embodiment is mounted on a circuit board, for example, the operation of inserting a plurality of lead wires 3 into a through hole can be performed accurately and easily.
なお、本実施例では、スリット状の貫通孔４にリード
線３を挿入して突出片６で押さえ付けたが、溝状の切り
欠き溝にリード線を挿入して溝の奥部壁面に突出片６で
押さえ付けてもよい。In this embodiment, the lead wire 3 is inserted into the slit-shaped through-hole 4 and pressed by the protruding piece 6, but the lead wire is inserted into the groove-shaped notch groove so as to protrude from the inner wall surface of the groove. You may hold down with the piece 6.
また、貫通孔４の壁面4aの巾を細く、その対向する壁
面の幅を太くしたテーパー状とすることによって、リー
ド線３が挿入しやすく、またリード線３が確実に固定で
きるものとなる。Further, by forming the wall surface 4a of the through hole 4 in a tapered shape in which the width of the wall surface 4a is small and the width of the opposing wall surface is wide, the lead wire 3 can be easily inserted and the lead wire 3 can be securely fixed.
また貫通孔４の深さ及び突出片６の長さは長い方がリ
ード線３を確実に固定することができるものとなる。In addition, the longer the depth of the through hole 4 and the length of the protruding piece 6, the more securely the lead wire 3 can be fixed.
発明の効果 以上のように本発明によれば、複数本のリード線を有
する磁気センサ素子のリード線を保持部材の貫通孔に挿
入し、突出片で押し付けて固定することにより、組立作
業が容易でかつリード線の位置精度を高めることができ
る優れた磁気センサを実現できる。Effect of the Invention As described above, according to the present invention, assembling work is facilitated by inserting the lead wires of the magnetic sensor element having a plurality of lead wires into the through holes of the holding member and pressing and fixing the projecting pieces. An excellent magnetic sensor which can improve the positional accuracy of the lead wire can be realized.
第１図（ａ），（ｂ），（ｃ）は本発明の一実施例にお
ける磁気センサの斜視図、側面図、及び断面図、第１図
（ｄ）は貫通孔と突出部とでリード線を固定されたリー
ド線部分の拡大斜視図、第２図（ａ），（ｂ）は従来の
磁気センサの斜視図、及び側面図である。 １……磁気センサ素子、２……保持部材、３……リード
線、４……貫通孔、4a……壁面、５……押し付け部材、
６……突出片。1 (a), 1 (b) and 1 (c) are a perspective view, a side view, and a cross-sectional view of a magnetic sensor according to an embodiment of the present invention. FIGS. 2 (a) and 2 (b) are an enlarged perspective view and a side view, respectively, of a conventional magnetic sensor. 1 ... magnetic sensor element, 2 ... holding member, 3 ... lead wire, 4 ... through hole, 4a ... wall surface, 5 ... pressing member,
6 ... Projection piece.
Claims (2)
線を同一方向に引き出した磁気センサ素子と、この磁気
センサ素子を保持しかつ前記リード線が挿入される複数
個の貫通孔を有した保持部材と、前記貫通孔に挿入され
リード線を貫通孔の壁面に押し付ける複数の突出片を有
した押し付け部材とを備えた磁気センサ。1. A magnetic sensor element having a ferromagnetic thin film on a substrate and a plurality of lead wires drawn out in the same direction, and a plurality of through holes for holding the magnetic sensor element and inserting the lead wires. And a pressing member having a plurality of projecting pieces inserted into the through hole and pressing a lead wire against a wall surface of the through hole.
線を同一方向に引き出した磁気センサ素子と、この磁気
センサ素子を保持しかつ前記リード線が挿入される複数
個の切り欠き溝を有した保持部材と、前記切り欠き溝に
挿入されリード線を切り欠き溝の奥部壁面に押し付ける
複数の突出片を有した押し付け部材とを備えた磁気セン
サ。2. A magnetic sensor element having a ferromagnetic thin film on a substrate and having a plurality of lead wires drawn out in the same direction, and a plurality of notches holding the magnetic sensor element and inserting the lead wires. A magnetic sensor comprising: a holding member having a groove; and a pressing member having a plurality of projecting pieces inserted into the notch groove and pressing a lead wire against a deep wall surface of the notch groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2137827A JP2762706B2 (en) | 1990-05-28 | 1990-05-28 | Magnetic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2137827A JP2762706B2 (en) | 1990-05-28 | 1990-05-28 | Magnetic sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0431778A JPH0431778A (en) | 1992-02-03 |
| JP2762706B2 true JP2762706B2 (en) | 1998-06-04 |
Family
ID=15207774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2137827A Expired - Lifetime JP2762706B2 (en) | 1990-05-28 | 1990-05-28 | Magnetic sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2762706B2 (en) |
-
1990
- 1990-05-28 JP JP2137827A patent/JP2762706B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0431778A (en) | 1992-02-03 |
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