JPH02272378A - Magnetoelectric converter - Google Patents
Magnetoelectric converterInfo
- Publication number
- JPH02272378A JPH02272378A JP1095715A JP9571589A JPH02272378A JP H02272378 A JPH02272378 A JP H02272378A JP 1095715 A JP1095715 A JP 1095715A JP 9571589 A JP9571589 A JP 9571589A JP H02272378 A JPH02272378 A JP H02272378A
- Authority
- JP
- Japan
- Prior art keywords
- magnetoelectric
- case
- transducer
- magnetoelectric transducer
- circuit board
- 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.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000000565 sealant Substances 0.000 claims description 5
- 230000035945 sensitivity Effects 0.000 abstract description 7
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は産業用機器や自動車の電子制御用のセンサ等に
用いられる磁気信号を電気信号に変換する磁電変換装置
に関するものである。DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION The present invention relates to a magneto-electric conversion device for converting a magnetic signal into an electric signal, which is used in sensors for electronic control of industrial equipment and automobiles.
従来の技術 従来の技術を第４図、第５図により説明する。Conventional technology The conventional technique will be explained with reference to FIGS. 4 and 5.
第４図は従来の磁電変換装置の側断面図であり、第５図
は同地の磁電変換装置の側断面図である。FIG. 4 is a side sectional view of a conventional magnetoelectric conversion device, and FIG. 5 is a side sectional view of a conventional magnetoelectric conversion device.
第４図によると１はホール素子や磁気抵抗素子等の磁電
変換素子２や他の電子部品（特に図示せず〉を装着して
なる回路基板であり、３はこの回路基板１を装着したケ
ースであり、４は上記回路基板１をケース３に封入し、
上記回路基板１を保護する封止剤であり、５は被測定物
側に装着されたマグネットである。According to FIG. 4, 1 is a circuit board on which a magnetoelectric transducer 2 such as a Hall element or a magnetoresistive element and other electronic components (not particularly shown) are mounted, and 3 is a case on which this circuit board 1 is mounted. 4, the circuit board 1 is enclosed in a case 3,
It is a sealant that protects the circuit board 1, and 5 is a magnet attached to the side of the object to be measured.
第５図はケース６の側面に磁電変換素子７を装着した回
路基板８を装着し、封止剤９で封止する構成とした磁電
変換装置であり、１０は被測定物側に装着されたマグネ
ットである。Fig. 5 shows a magneto-electric transducer configured such that a circuit board 8 with a magneto-electric transducer 7 mounted on the side of a case 6 is sealed with a sealant 9, and 10 is mounted on the side of the object to be measured. It's a magnet.
発明が解決しようとする課題
しかしながら上記従来の第４図の磁電変換装置では、磁
電変換素子２が、ケース内に構成されているため、ケー
ス１の肉厚分マグネット５と磁電変換素子２が離れるこ
とになり、磁力に対する感度が鈍るという課題があった
。また、第５図の磁電変換装置においても回路基板８の
厚さ分マグネット１０と磁電変換素子７が離れ第４図の
従来技術と同様感度が鈍るという課題があった。又封止
剤を用いずに磁電変換素子をケース表面に装着する装置
も考えられたが、回路保護ができず信頼性が劣るという
課題があった。Problems to be Solved by the Invention However, in the conventional magnetoelectric transducer shown in FIG. 4, since the magnetoelectric transducer 2 is configured inside the case, the magnet 5 and the magnetoelectric transducer 2 are separated by the thickness of the case 1. As a result, there was a problem that the sensitivity to magnetic force became dull. Further, the magnetoelectric transducer shown in FIG. 5 also has the problem that the magnet 10 and the magnetoelectric transducer 7 are separated by the thickness of the circuit board 8, resulting in a decrease in sensitivity, similar to the prior art shown in FIG. A device in which the magnetoelectric transducer is attached to the surface of the case without using a sealant has also been considered, but there was a problem that the circuit could not be protected and reliability was poor.
本発明はこのような従来の課題を解決するものであり、
信頼性の高い、感度のすぐれた磁電変換装置を提供する
ものである。The present invention solves these conventional problems,
The present invention provides a magnetoelectric transducer that is highly reliable and has excellent sensitivity.
課題を解決するための手段
本発明は上記目的を達成するために、ケースに磁電変換
素子を挿入するガイド溝を設けて磁電変換素子の位置精
度を高め、ケース側面には窓を設け、磁電変換素子をこ
の窓から装置の表面に出るように構成したものである。Means for Solving the Problems In order to achieve the above object, the present invention provides a guide groove for inserting the magnetoelectric transducer in the case to improve the positional accuracy of the magnetoelectric transducer, and a window is provided on the side of the case so that the magnetoelectric transducer can be inserted into the case. The device is configured so that it can be exposed to the surface of the device through this window.
作用
したがって本発明によれば、ガイド溝を設けて、この溝
によって磁電変換素子をケースに装着することによって
磁電変換素子の位置精度を高め、ケース側面の窓から磁
電変換素子を磁電変換装置の表面に出すことにより感度
を高めたものである。Therefore, according to the present invention, a guide groove is provided, and the magnetoelectric transducer is attached to the case using the guide groove, thereby increasing the positional accuracy of the magnetoelectric transducer. Sensitivity is increased by exposing the
実施例
本発明の一実施例の磁電変換装置を第１図〜第３図によ
り説明する。第１図は分解斜視図であり、第２図ａは上
面図であり、第２図すは正面図であり、第３図は側断面
図である。Embodiment A magnetoelectric transducer according to an embodiment of the present invention will be explained with reference to FIGS. 1 to 3. 1 is an exploded perspective view, FIG. 2a is a top view, FIG. 2 is a front view, and FIG. 3 is a side sectional view.
第１図〜第３図によると、１１はホール素子や磁気抵抗
素子等の磁電変換素子１２や他の電子部品（特に図示せ
ず）を装着してなる回路基板であり、１３はこの回路基
板１１を装着する挿入溝１４と、上記磁電変換素子１２
に設けられたツバ１５ａを挿入するガイド溝１５と、こ
のガイド溝１５に上記ツバ１５ａを挿入した時、磁電変
換素子１２が表面に露出するように設けられた窓１６を
有するケースであり、１７は上記ケース１３のガイド溝
１５に上記磁電変換素子１２に重ねて挿入されるツバ１
８と上記磁電変換素子１２に重ねて挿入した時、上記磁
電変換素子１２を表面側に押圧するアーム１９を有する
素子押えである。また、２０は上記回路基板１１を封止
する封止剤であり、２１は被測定物側に装着されたマグ
ネットである。According to FIGS. 1 to 3, 11 is a circuit board on which a magnetoelectric transducer 12 such as a Hall element or a magnetoresistive element and other electronic components (not particularly shown) are mounted, and 13 is this circuit board. 11 and the above-mentioned magnetoelectric transducer 12
The case has a guide groove 15 provided in the guide groove 15 into which the collar 15a is inserted, and a window 16 provided so that the magnetoelectric transducer 12 is exposed to the surface when the collar 15a is inserted into the guide groove 15. is a collar 1 inserted into the guide groove 15 of the case 13 so as to overlap the magnetoelectric transducer 12.
8 and an element holder having an arm 19 that presses the magnetoelectric transducer 12 toward the surface side when inserted over the magnetoelectric transducer 12. Further, 20 is a sealant for sealing the circuit board 11, and 21 is a magnet attached to the object to be measured.
なお、上記からも明らかなごとく、素子押え１７によっ
て磁電変換素子１２を表面側に押しつけることになるの
で、マグネット２１との間隔を小さく、安定的に磁電変
換素子１２に保持できるものである。As is clear from the above, since the magnetoelectric transducer 12 is pressed against the surface side by the element presser 17, it is possible to stably hold the magnetoelectric transducer 12 with a small distance from the magnet 21.
発明の効果
本発明は、上記実施例より明らかなように、磁電変換素
子を磁電変換装置の表面に露出させたためマグネットと
の距離を小さくとれ、高感度化を可能とする産業上有用
なものである。Effects of the Invention As is clear from the above embodiments, the present invention is industrially useful because the magnetoelectric transducer is exposed on the surface of the magnetoelectric transducer, so the distance from the magnet can be kept small, and high sensitivity can be achieved. be.
第１図は本発明の磁電変換装置の実施例を示す分解斜視
図であり、第２図ａは同上面図であり、第２図すは同正
面図であり、第３図は側断面図であり、第４図は従来の
磁電変換装置の側断面図で１１・・・・・・回路基板、
１２・・・・・・磁電変換素子、１３・・・・・・ケー
ス、１５・・・・・・ガイド溝、１５ａ・・・・・・ツ
バ １６・・・・・・窓、２１・・・・・・マグネット
。
代理人の氏名 弁理士 粟野重孝 はが１名１１−−回
外基板
／Ｚ−−磁電、２校景子
Ｉ３− ケース
１５−−メゴーイドう剥−一
／＆−ツ２．
１５ａ。Fig. 1 is an exploded perspective view showing an embodiment of the magnetoelectric conversion device of the present invention, Fig. 2a is a top view of the same, Fig. 2 is a front view of the same, and Fig. 3 is a side sectional view. FIG. 4 is a side sectional view of a conventional magnetoelectric transducer, which includes 11...circuit board,
12...Magnetoelectric conversion element, 13...Case, 15...Guide groove, 15a...Brim 16...Window, 21... ····magnet. Name of agent: Patent attorney Shigetaka Awano 1 person 11--Supination board/Z--Magnetic, 2 Keiko I3- Case 15--Megoid Uri-1/&-2 2. 15a.
Claims (2)
を電気信号に変換する少なくとも磁電変換素子を装着し
た回路基板と、この回路基板を収納するとともに、上記
磁電変換素子に設けられたツバが挿入されるガイド溝と
、上記磁電変換素子が表面に露出する窓部が設けられた
ケースと、上記ケースを封入してなる封止剤からなる磁
電変換装置。(1) A circuit board equipped with at least a magneto-electric transducer that converts magnetic changes caused by movement of the magnet on the side of the object to be measured into electrical signals, and a collar provided on the magneto-electric transducer that accommodates this circuit board. A magnetoelectric transducer comprising a guide groove to be inserted, a case provided with a window portion through which the magnetoelectric transducer is exposed on the surface, and a sealant enclosing the case.
スに設けられたガイド溝に挿入されるツバを有し、上記
磁電変換素子に重ねて挿入される素子押えを設けた請求
項１記載の磁電変換装置。(2) Claim 1, further comprising an arm that presses the magnetoelectric conversion element toward the surface side, a collar that is inserted into a guide groove provided in the case, and an element holder that is inserted over the magnetoelectric conversion element. magnetoelectric conversion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1095715A JPH07104405B2 (en) | 1989-04-14 | 1989-04-14 | Magnetoelectric converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1095715A JPH07104405B2 (en) | 1989-04-14 | 1989-04-14 | Magnetoelectric converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02272378A true JPH02272378A (en) | 1990-11-07 |
| JPH07104405B2 JPH07104405B2 (en) | 1995-11-13 |
Family
ID=14145183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1095715A Expired - Fee Related JPH07104405B2 (en) | 1989-04-14 | 1989-04-14 | Magnetoelectric converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07104405B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07244094A (en) * | 1994-03-04 | 1995-09-19 | Toshiba Meter Techno Kk | Apparatus for measuring quantity of electricity |
| JPH11312448A (en) * | 1998-04-30 | 1999-11-09 | Murata Mfg Co Ltd | Steel ball detection sensor |
| JP2006166603A (en) * | 2004-12-08 | 2006-06-22 | Tokyo Parts Ind Co Ltd | Motor with speed reducing mechanism |
| JP2008216043A (en) * | 2007-03-05 | 2008-09-18 | Honda Lock Mfg Co Ltd | Rotation sensor |
| JP2009236515A (en) * | 2008-03-26 | 2009-10-15 | Panasonic Corp | Rotation angle detecting device |
| US7999539B2 (en) | 2007-08-22 | 2011-08-16 | Honda Motor Co., Ltd. | Proximity sensor |
-
1989
- 1989-04-14 JP JP1095715A patent/JPH07104405B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07244094A (en) * | 1994-03-04 | 1995-09-19 | Toshiba Meter Techno Kk | Apparatus for measuring quantity of electricity |
| JPH11312448A (en) * | 1998-04-30 | 1999-11-09 | Murata Mfg Co Ltd | Steel ball detection sensor |
| JP2006166603A (en) * | 2004-12-08 | 2006-06-22 | Tokyo Parts Ind Co Ltd | Motor with speed reducing mechanism |
| JP2008216043A (en) * | 2007-03-05 | 2008-09-18 | Honda Lock Mfg Co Ltd | Rotation sensor |
| US7999539B2 (en) | 2007-08-22 | 2011-08-16 | Honda Motor Co., Ltd. | Proximity sensor |
| JP2009236515A (en) * | 2008-03-26 | 2009-10-15 | Panasonic Corp | Rotation angle detecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07104405B2 (en) | 1995-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |