JPS5844377Y2 - crossed coil instrument - Google Patents
crossed coil instrumentInfo
- Publication number
- JPS5844377Y2 JPS5844377Y2 JP1021279U JP1021279U JPS5844377Y2 JP S5844377 Y2 JPS5844377 Y2 JP S5844377Y2 JP 1021279 U JP1021279 U JP 1021279U JP 1021279 U JP1021279 U JP 1021279U JP S5844377 Y2 JPS5844377 Y2 JP S5844377Y2
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- movable permanent
- coil
- coils
- cylindrical case
- 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
Links
Landscapes
- Instrument Panels (AREA)
Description
【考案の詳細な説明】
本考案は交差コイルに流れる電流が遮断された時、その
時点で指示が確実に残留し得るようにした交差コイル式
計器に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cross-coil meter that ensures that an indication remains when the current flowing through the cross-coils is cut off.
例えば、車両用の燃料計には電流が遮断されても指示が
戻らないようにした交差コイル式計器が使用されている
が、従来のこのｌ交差コイル式計器においては、該計器
のケースに残留磁気が生じること、及びプレス仕上げ精
度、取付精度による磁気ポテンシャル勾配等のために、
交差コイルに流れる電流、即ち測定電流を遮断した時、
指針が交差コイルの電流を遮断する直前の位置に留きら
ず、動き出してし甘う欠点があった。For example, fuel gauges for vehicles use crossed-coil meters that do not return the reading even if the current is cut off. Due to the generation of magnetism and the magnetic potential gradient due to press finishing accuracy and installation accuracy,
When the current flowing through the crossed coils, that is, the measurement current is interrupted,
The disadvantage was that the pointer would not stay in the position just before cutting off the current in the cross coil, but would start moving.
本考案は上記欠点を解消するためになされたもので、交
差コイルに流れる電流を遮断し畑寺指針が大きく動かな
いようにして、正確な指示値が読みとれるようにした交
差コイル式計器を提供するものである。The present invention has been made in order to eliminate the above-mentioned drawbacks, and provides a cross-coil type meter that cuts off the current flowing through the cross-coils and prevents the Hatadera pointer from moving significantly, allowing accurate reading of indicated values. It is something.
以下に本考案を図面に示す実施例に基いて詳細に説明す
る。The present invention will be explained in detail below based on embodiments shown in the drawings.
１は半径方向に２極着磁された可動永久磁石で、この可
動永久磁石１は指針軸２に固定され、コイルボビンを兼
ねる上下ハウジング３，３′内に回転自在に収納支持さ
れている。Reference numeral 1 designates a movable permanent magnet magnetized with two poles in the radial direction. This movable permanent magnet 1 is fixed to a pointer shaft 2 and rotatably housed and supported in upper and lower housings 3, 3' which also serve as coil bobbins.
４，４′ は互に直交して配置された一対のコイルで前
記上下の・−ウジング３，３′に巻回されており、測定
信号に応じた方向の合成磁界を発生せしめるものである
。A pair of coils 4 and 4' are arranged perpendicularly to each other and are wound around the upper and lower housings 3 and 3' to generate a composite magnetic field in a direction corresponding to the measurement signal.
５はソフト磁性材料からなる円筒状の磁気回路形成用ケ
ースで、その周壁部に前記の可動永久磁石１の回転面と
直交する方向に延びる多数のスリット６を一定間隔に穿
設せしめているものである。Reference numeral 5 denotes a cylindrical case for forming a magnetic circuit made of a soft magnetic material, in which a large number of slits 6 extending in a direction perpendicular to the rotating surface of the movable permanent magnet 1 are bored at regular intervals in the peripheral wall thereof. It is.
従って各スリット６の相互間には帯状部５ａが形成され
ているものである。Therefore, a band-shaped portion 5a is formed between each slit 6.
７は前記指針軸２の先端に固定された指針である。7 is a pointer fixed to the tip of the pointer shaft 2.
以上が本実施例の構造であるが次にその作用について述
べると、磁気回路形成用ケース５の周面には帯状部５ａ
が一定間隔で形成されていることから、その帯状部５ａ
があるところは磁気ポテンシャルが小さく、またその帯
状部５ａがないところ、即ちスリット６のところは磁気
ポテンシャルが大きくなる。The above is the structure of the present embodiment. Next, the operation will be described. The circumferential surface of the magnetic circuit forming case 5 has a band-shaped portion 5a.
are formed at regular intervals, so that the band-shaped portion 5a
The magnetic potential is small where there is, and the magnetic potential is large where there is no strip 5a, that is, the slit 6.
従って帯状部５ａがないところで可動永久磁石１をフリ
ー状態とすると、磁気作用によりこの可動永久磁石１の
磁極が帯状部５ａに近すいたところで吸引停止するので
、コイルニ流れる電流を遮断した時の指針７は最も回動
したとしても、一定間隔で穿設されたスリット６の÷ピ
ッチしか動かないことになる。Therefore, if the movable permanent magnet 1 is set in a free state where there is no strip part 5a, the magnetic pole of the movable permanent magnet 1 will stop attracting when it gets close to the strip part 5a due to magnetic action, so the pointer when the current flowing through the coil is cut off is Even if 7 is rotated the most, it will only move by the pitch of the slits 6, which are bored at regular intervals.
以上のように本考案は指針軸２に固定された可動永久磁
石１と、該可動永久磁石を包囲するように交差配置され
た複数個のコイル４，４′ と、該コイルの外側に配置
されたソフト磁性材料からなる円筒状ケース５とを備え
た交差コイル式計器に釦いて、前記円筒状ケース５の周
壁部に前記可動永久磁石１の回転面と交差する方向にの
びる複数個のスリット６を設けた交差コイル式計器であ
る力・ら、コイル４，４′ に通じる電流を遮断した時
に可動永久磁石１は、その可動永久磁石１の磁極が、帯
状部５ａに接近した位置で磁気エネルギーに吸引されて
停止されることになり、指示が確実に残留される交差コ
イル式計器を提供することができるものである。As described above, the present invention includes a movable permanent magnet 1 fixed to a pointer shaft 2, a plurality of coils 4, 4' arranged in a cross-sectional manner surrounding the movable permanent magnet, and a plurality of coils 4, 4' arranged outside the coils. A cross-coil type instrument is equipped with a cylindrical case 5 made of a soft magnetic material, and a plurality of slits 6 are provided in the peripheral wall of the cylindrical case 5 in a direction intersecting the rotating surface of the movable permanent magnet 1. When the current flowing through the coils 4 and 4' is cut off, the movable permanent magnet 1 generates magnetic energy at a position where the magnetic pole of the movable permanent magnet 1 approaches the strip portion 5a. It is possible to provide a cross-coil type meter in which the indication is reliably retained.
また本考案によれば構造簡単で、しかもコストを安くし
て所期の目的を達成することができる効果がある。Further, according to the present invention, the structure is simple, and the cost can be reduced to achieve the desired purpose.
図面はいずれも本考案よりなる交差コイル式計器の実施
例を示し、第１図はその内部構造を示した断面図、第２
図はＡ−Ａ線断面図、第３図は円筒状ケースのみの斜視
図である。
１・・・・・・可動永久磁石、２・・・・・・指針軸、
３，３′・・・・・・・・ウジング、４．４′・・・・
・・コイル、５・・・・・・円筒状ケース、６・・・・
・・スリット、７・・・・・・指針。The drawings all show an embodiment of the crossed coil type instrument according to the present invention, and FIG. 1 is a cross-sectional view showing its internal structure, and FIG.
The figure is a sectional view taken along the line A-A, and FIG. 3 is a perspective view of only the cylindrical case. 1...Movable permanent magnet, 2...Pointer shaft,
3,3'...Using, 4.4'...
... Coil, 5 ... Cylindrical case, 6 ...
...slit, 7... pointer.
Claims (1)
石を包囲するように交差配置された複数個のコイル４，
４′ と、該コイルの外側に配置されたソフト磁性材料
からなる円筒状ケース５とを備えた交差コイル式計器に
おいて、前記円筒状ケース５の周壁部に前記可動永久磁
石１０回回転面交差する方向にのびかつ一定間隔に穿設
された複数個のスリット６を設けたことを特徴とする交
差コイル式計器。A movable permanent magnet 1 fixed to a pointer shaft 2, a plurality of coils 4 arranged crosswise so as to surround the movable permanent magnet,
4', and a cylindrical case 5 made of a soft magnetic material disposed outside the coil, in which the movable permanent magnet intersects with the peripheral wall of the cylindrical case 5 ten times. A crossed coil type instrument characterized by having a plurality of slits 6 extending in the direction and bored at regular intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1021279U JPS5844377Y2 (en) | 1979-01-30 | 1979-01-30 | crossed coil instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1021279U JPS5844377Y2 (en) | 1979-01-30 | 1979-01-30 | crossed coil instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55109872U JPS55109872U (en) | 1980-08-01 |
| JPS5844377Y2 true JPS5844377Y2 (en) | 1983-10-07 |
Family
ID=28822384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1021279U Expired JPS5844377Y2 (en) | 1979-01-30 | 1979-01-30 | crossed coil instrument |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5844377Y2 (en) |
-
1979
- 1979-01-30 JP JP1021279U patent/JPS5844377Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55109872U (en) | 1980-08-01 |
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