JPH02242180A - Hall-effect type sensor apparatus - Google Patents
Hall-effect type sensor apparatusInfo
- Publication number
- JPH02242180A JPH02242180A JP1060706A JP6070689A JPH02242180A JP H02242180 A JPH02242180 A JP H02242180A JP 1060706 A JP1060706 A JP 1060706A JP 6070689 A JP6070689 A JP 6070689A JP H02242180 A JPH02242180 A JP H02242180A
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- hall element
- hall
- magnetic flux
- printed wiring
- 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.)
- Pending
Links
- 230000005355 Hall effect Effects 0.000 title claims description 13
- 230000004907 flux Effects 0.000 abstract description 10
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、例えば内燃機関の点火時期制御装置におけ
るクランク角の検出などに好ましく用いることのできる
ホール効果形センサ装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a Hall effect sensor device that can be preferably used, for example, for detecting a crank angle in an ignition timing control device for an internal combustion engine.
従来、ホール効果を利用した例えば位置センサ、角度セ
ンサ、速度センサなど各種のセンサ装置は周知であり、
またこのようなセンサ装置に用いるホール素子をセラミ
ックなどからなる基板上に混成集積回路として設けたホ
ールＩＣもよく知られている。かかるホールＩＣを磁気
回路とともに樹脂により固定し、一体止した内燃機関点
火時期制御用のホール効果形センサ装置も知られている
。Conventionally, various sensor devices using the Hall effect, such as position sensors, angle sensors, and speed sensors, are well known.
Hall ICs, in which a Hall element used in such a sensor device is provided as a hybrid integrated circuit on a substrate made of ceramic or the like, are also well known. A Hall effect type sensor device for controlling ignition timing of an internal combustion engine is also known, in which such a Hall IC is fixed together with a magnetic circuit using resin.
上記のような従来のホール効果形センサ装置においては
、ホールＩＣや磁気回路部品などの構成部材を、−品毎
に治具を用いて位置決め固定し、その状態で熱可塑性樹
脂又は熱硬化性樹脂を注入して加熱炉で乾燥又は硬化さ
せていたので、位置決め用の治具を多数必要とする上、
位置決め精度が悪く、従って量産に適さず、しかも信号
精度が悪いという問題点があった。In the conventional Hall effect type sensor device as described above, components such as Hall ICs and magnetic circuit components are positioned and fixed using jigs for each item, and in that state, thermoplastic resin or thermosetting resin is The process involved injecting and drying or curing in a heating oven, which required a large number of positioning jigs.
There were problems in that the positioning accuracy was poor, so it was not suitable for mass production, and the signal accuracy was also poor.
この発明は上記のような課題を解消するためになされた
もので、位置決めが容易で信号精度が高く、しかも組立
の自動化も容易なホール効果形センサ装置を得ることを
目的とする。The present invention was made to solve the above-mentioned problems, and an object of the present invention is to provide a Hall effect sensor device that is easy to position, has high signal accuracy, and is easy to automate assembly.
この発明に係るホール効果形センサ装置は、マグネット
、このマグネット上に設けられた印刷配線、この印刷配
線に電気的に接続され、上記マグネットに保持されたホ
ール素子を備えるように構成したものである。The Hall effect sensor device according to the present invention is configured to include a magnet, a printed wiring provided on the magnet, and a Hall element electrically connected to the printed wiring and held by the magnet. .
本発明におけるホール素子は、マグネットに対して直接
的に位置決め、取り付けられ、保持される。The Hall element in the present invention is directly positioned, attached, and held with respect to the magnet.
以下、本発明の一実施例を図について説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第１図はこの発明の一実施例によるホール効果形センサ
装置の要部を示す断面図である。なおこの実施例は内燃
機関のクランク角検出用のセンサ装置として適したもの
である。FIG. 1 is a sectional view showing the main parts of a Hall effect type sensor device according to an embodiment of the present invention. Note that this embodiment is suitable as a sensor device for detecting the crank angle of an internal combustion engine.
図において（１）はマグネットであり、図の如くＮｉ及
びＳ極を有している。（２）はこのマグネット（１）の
上に例えば蒸着、塗布など適宜の手段によって形成され
た絶縁膜、（３）はこの絶縁膜（２）上に形成された印
刷配線（図示省略）にペースト半田（４）により電気的
に接続され、ｆｉｔｉＲ的に保持されたホール素子であ
る。このホール素子（３）は、ＩＣ化されたホールＩＣ
１あるいはベア状のホールチップなどであってもよく、
本書では何れのものもホール素子と呼ぶことにする。（
５）は例えばノイズ保護素子などの電子部品、（６）は
上記（１）〜（５）などの構成材を包囲するモールド樹
脂からなるフレームである。なお、図示を省略している
がこのフレーム（６）には、外部回路と電気的接続をと
るためのコネクタ部が一体的に設けられている。（７）
は例えば第３図に示すように放射方向に向けて形成され
たベーン（７１）を回転方向に所定角度で複数設けた磁
性体からなる回転体であり、回転軸０のまわりに回転さ
れる。In the figure, (1) is a magnet, which has Ni and S poles as shown. (2) is an insulating film formed on this magnet (1) by appropriate means such as vapor deposition or coating, and (3) is a paste on printed wiring (not shown) formed on this insulating film (2). It is a Hall element that is electrically connected by solder (4) and held in fitiR manner. This Hall element (3) is a Hall IC made into an IC.
1 or a bare hole chip, etc.
In this book, all devices will be referred to as Hall elements. (
5) is an electronic component such as a noise protection element, and (6) is a frame made of molded resin that surrounds the constituent materials such as (1) to (5) above. Although not shown in the drawings, this frame (6) is integrally provided with a connector portion for making electrical connection with an external circuit. (7)
For example, as shown in FIG. 3, this is a rotating body made of a magnetic material in which a plurality of vanes (71) formed in the radial direction are provided at a predetermined angle in the rotation direction, and is rotated around the rotation axis 0.
上記のように構成されたホール効果形センサ装置を例え
ば内燃機関のクランク角センサとして用いるには、回転
体（７）を内燃機関に同期して回転させるように構成す
る（図示省略）。In order to use the Hall effect type sensor device configured as described above, for example, as a crank angle sensor for an internal combustion engine, the rotating body (7) is configured to rotate in synchronization with the internal combustion engine (not shown).
次に動作について説明する。第１図に示すように内燃機
関の回転により回転体（７）の空間部（７２）がホール
素子（３）の上に位置したときには、マグネット（１）
によって発生した磁束は、主に破線Ａによって示す磁路
を形成し、ホール素子（３）に作用する磁束は「小」状
態となる。第２図に示すように回転体く７）のベーン（
７１）部がボール素子（３）の上部に位置したときには
、マグネット（１）によって発生した磁束は破線Ｂによ
って示す磁路を形成し、ホール素子（３）に作用する磁
束はｒ大」状態となる。しかしてホール素子（３）には
内燃機関の回転に同期した磁束の変化が与えられ、ホー
ル効果により磁束の変化に応じた電気信号が発生する。Next, the operation will be explained. As shown in FIG. 1, when the space (72) of the rotating body (7) is positioned above the Hall element (3) due to the rotation of the internal combustion engine, the magnet (1)
The magnetic flux generated mainly forms a magnetic path shown by the broken line A, and the magnetic flux acting on the Hall element (3) is in a "small" state. As shown in Figure 2, the vane (7) of the rotating body (7)
When part 71) is located above the ball element (3), the magnetic flux generated by the magnet (1) forms a magnetic path shown by the broken line B, and the magnetic flux acting on the Hall element (3) is in the r large state. Become. Thus, a change in magnetic flux synchronized with the rotation of the internal combustion engine is applied to the Hall element (3), and an electric signal corresponding to the change in magnetic flux is generated due to the Hall effect.
この電気信号を外部回路（図示省略）に導いて波形処理
することにより目的とするクランク角の検出を行うこと
ができる。なお、上記信号処理などは周知事項であるか
ら詳細な説明は省略する。The target crank angle can be detected by guiding this electrical signal to an external circuit (not shown) and processing the waveform. Note that the above-mentioned signal processing and the like are well-known matters, so a detailed explanation will be omitted.
上記のように、この発明の実施例においてはホール素子
（３）をマグネット（１）に直接的に固定するように構
成したのでホール素子（３）の位置決め治具なとは不要
となる。またマグネット（１〉に対するホール素子（３
）の取り付けには例えばプリント基板における回路素子
の実装技術などを利用することにより位置決めの精度を
高めることも容易である。また部品数も少なくできるの
で、組立も簡単である。従って上記実施例によれば信号
精度の高いセンサ装置を構成することができ、しかも組
立の自動化も容易である。As described above, in the embodiment of the present invention, the Hall element (3) is directly fixed to the magnet (1), so a positioning jig for the Hall element (3) is not required. Also, the Hall element (3) for the magnet (1)
) It is also easy to increase the accuracy of positioning by using, for example, mounting technology for circuit elements on a printed circuit board. Furthermore, since the number of parts can be reduced, assembly is easy. Therefore, according to the above embodiment, a sensor device with high signal accuracy can be constructed, and assembly can be easily automated.
なお、上記実施例ではマグネット（１）の表面に絶縁Ｍ
（２）を設けたが、マグネット（１）の種類、材質は特
に限定されるものではなく、例えばプラスチックからな
るマグネットなど、絶縁性を有するものでは絶縁膜（２
）を設ける必要はない、また絶縁膜（２）の材質は特に
限定されるものではなく、例えば樹脂、ガラス、あるい
はアルミナなどのセラミックス類など種々のものを用い
ることができる。さらにホール素子（３）に対する磁気
回路の形成態様、回転体（７）の形状等も実施例のもの
に限定されるものではない。In addition, in the above embodiment, an insulating M is provided on the surface of the magnet (1).
(2), but the type and material of the magnet (1) are not particularly limited. For example, if it has an insulating property, such as a magnet made of plastic, the
) is not necessary, and the material of the insulating film (2) is not particularly limited, and various materials such as resin, glass, or ceramics such as alumina can be used. Furthermore, the manner in which the magnetic circuit is formed for the Hall element (3), the shape of the rotating body (7), etc. are not limited to those of the embodiment.
ところで上記説明ではこの発明を内燃機関の点火時期制
御のためのクランク角検出に用いる場合について説明し
たが、他のセンサ装置、例えば位置センサなどとして用
いることもできる。また磁束シャッタはリニアに移動さ
せてもよい。Incidentally, in the above description, the present invention is used for detecting a crank angle for controlling the ignition timing of an internal combustion engine, but it can also be used as other sensor devices, such as a position sensor. Further, the magnetic flux shutter may be moved linearly.
要するに上記実施例はこの発明の理解を容易にするため
に示した一例に過ぎず、上記の池この発明の精神の範囲
内で種々の変形や変更が可能であることは勿論である。In short, the above-mentioned embodiment is merely an example shown to facilitate understanding of the present invention, and it goes without saying that various modifications and changes can be made within the scope of the spirit of the invention.
以上のようにこの発明によれば、マグネット、このマグ
ネット上に設けられた印刷配線、この印刷配線に電気的
に接続され、上記マグネットに保持されたホール素子を
備えるように構成したので、位置決めが容易で信号精度
が高く、しかも部品数が少なく組立の自動化も容易なホ
ール効果形センサ装置が得られるという効果がある。As described above, according to the present invention, since the structure includes a magnet, a printed wiring provided on the magnet, and a Hall element electrically connected to the printed wiring and held by the magnet, positioning is possible. This has the effect of providing a Hall effect sensor device that is easy to use, has high signal accuracy, has a small number of parts, and is easy to automate assembly.
第１図は本発明の一実施例によるホール効果形センサ装
置の要部を示す側面断面図、第２図は第１図に示す実施
例の動作を説明する側面断面図、第３図は第１図の実施
例に用いる回転体の一例を示す平面図である。
図において、（１）はマグネット、（３）はホール素子
である。
なお、図中、同一符号は同一または相当部分を示す。FIG. 1 is a side cross-sectional view showing the main parts of a Hall effect sensor device according to an embodiment of the present invention, FIG. 2 is a side cross-sectional view explaining the operation of the embodiment shown in FIG. 1, and FIG. 2 is a plan view showing an example of a rotating body used in the embodiment of FIG. 1. FIG. In the figure, (1) is a magnet, and (3) is a Hall element. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
、この印刷配線に電気的に接続され、上記マグネットに
保持されたホール素子を備えたことを特徴とするホール
効果形センサ装置。A Hall effect sensor device comprising a magnet, a printed wiring provided on the magnet, and a Hall element electrically connected to the printed wiring and held by the magnet.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1060706A JPH02242180A (en) | 1989-03-15 | 1989-03-15 | Hall-effect type sensor apparatus |
| KR1019900003310A KR960000342B1 (en) | 1989-03-14 | 1990-03-13 | Hall-efect sensor with integrally molded frame and plate supported hall element |
| US07493526 US5093617B1 (en) | 1989-03-14 | 1990-03-14 | Hall-effect sensor having integrally molded frame with printed conductor thereon |
| DE4008141A DE4008141C2 (en) | 1989-03-14 | 1990-03-14 | Hall effect sensor |
| US07/681,307 US5196794A (en) | 1989-03-14 | 1991-04-08 | Hall-effect sensor with integrally molded frame, magnet, flux guide and insulative film |
| US07/681,610 US5144234A (en) | 1989-03-14 | 1991-04-08 | Hall-effect sensor with integrally molded frame and plate supported Hall element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1060706A JPH02242180A (en) | 1989-03-15 | 1989-03-15 | Hall-effect type sensor apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02242180A true JPH02242180A (en) | 1990-09-26 |
Family
ID=13150002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1060706A Pending JPH02242180A (en) | 1989-03-14 | 1989-03-15 | Hall-effect type sensor apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02242180A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7301331B2 (en) * | 2004-08-19 | 2007-11-27 | Denso Corporation | Magnetic sensor device having components mounted on magnet |
| WO2021000294A1 (en) * | 2019-07-03 | 2021-01-07 | Hamlin Electronics (Suzhou) Ltd. | Apparatus for detection of angular movement of a ferromagnetic vane |
-
1989
- 1989-03-15 JP JP1060706A patent/JPH02242180A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7301331B2 (en) * | 2004-08-19 | 2007-11-27 | Denso Corporation | Magnetic sensor device having components mounted on magnet |
| CN100416228C (en) * | 2004-08-19 | 2008-09-03 | 株式会社电装 | Magnetic sensor device having components mounted on magnet |
| WO2021000294A1 (en) * | 2019-07-03 | 2021-01-07 | Hamlin Electronics (Suzhou) Ltd. | Apparatus for detection of angular movement of a ferromagnetic vane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR960000342B1 (en) | Hall-efect sensor with integrally molded frame and plate supported hall element | |
| US5196794A (en) | Hall-effect sensor with integrally molded frame, magnet, flux guide and insulative film | |
| KR930004094Y1 (en) | Hall eefect type sensing device and magnetic circuit device for a hall effect type sensor | |
| JPH02236183A (en) | Hall sensor device and its manufacture | |
| US5010263A (en) | Hall effect type sensing device | |
| KR930006096B1 (en) | Hall effect type sensor | |
| US7382120B2 (en) | Rotary position sensor with rectangular magnet and hall sensors placed in association with the surface of the magnet | |
| JPH0868606A (en) | Angle-of-rotation detection apparatus | |
| JP4543350B2 (en) | Rotation angle sensor and rotation angle sensor unit | |
| JPH02242180A (en) | Hall-effect type sensor apparatus | |
| US5545986A (en) | Magnetic sensor having a ferromagnetic resistive element, a frame and a bias magnet integrally mounted to the frame | |
| JPH0732274B2 (en) | Magnetic sensor | |
| JPH02218980A (en) | Hall effect type sensor apparatus | |
| JPH02284082A (en) | Hall effect type sensor device | |
| JP7359636B2 (en) | Sensor device and encoder having this sensor device | |
| JPH02242182A (en) | Hall-effect type sensor apparatus | |
| JPH02240584A (en) | Hall effect type sensor device | |
| JPH02242183A (en) | Hall-effect type sensor apparatus | |
| JP2542691B2 (en) | Hall effect type sensor device | |
| JP2525437Y2 (en) | Hall effect type sensor device | |
| JPH02242181A (en) | Hall-effect type sensor apparatus | |
| JPH05157507A (en) | Magnetic sensor and fixing method of magnet for magnetic sensor | |
| JPH02240585A (en) | Hall effect type sensor device | |
| JP2525436Y2 (en) | Magnetic circuit device of Hall effect type sensor | |
| JP7394570B2 (en) | brushless motor |