JPS62117513U - - Google Patents
Info
- Publication number
- JPS62117513U JPS62117513U JP14361486U JP14361486U JPS62117513U JP S62117513 U JPS62117513 U JP S62117513U JP 14361486 U JP14361486 U JP 14361486U JP 14361486 U JP14361486 U JP 14361486U JP S62117513 U JPS62117513 U JP S62117513U
- Authority
- JP
- Japan
- Prior art keywords
- detection coil
- coil
- printed board
- magnetic pole
- rotating body
- 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
- 238000001514 detection method Methods 0.000 claims description 10
- 230000005284 excitation Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案の回転位置検出器の断面図、第
２図乃至第５図は夫々同部分平面図、第６図乃至
第８図はコイル周囲の処理方法を示す図、第９図
は回転位置検出器のブロツク図、第１０図及び第
１１図は同動作説明図である。
Ａ…回転位置検出器、ＡＭ１，ＡＭ２，ＡＭ３
…増幅器、ＣＯＵＮ…加減算カウンタ、ＤＳＰ…
表示器、Ｆ…帯域フイルタ、ＦＤ…分周器、Ｇ…
ゲート回路、ＨＹ…ヒステリシス回路、ＯＳ…発
振器、ＰＤ…位相差信号発生器、ＰＲ…位相比較
器、１…回転軸、２…回転体、３…溝、４…検出
コイルプリント板、５…検出コイル、６…磁極板
、７…軸受、８〜１１…磁極、１２，１３…励磁
コイル、１４…１次コイル、１５…静止板、１６
…軸受、１７…溝、１８…２次コイル、１９…遮
断板、２０…ケーシング、２１…押部材。
Fig. 1 is a sectional view of the rotational position detector of the present invention, Figs. 2 to 5 are partial plan views of the same, Figs. 6 to 8 are diagrams showing a method of processing the surroundings of the coil, and Fig. 9 is a The block diagram of the rotational position detector, FIGS. 10 and 11, are explanatory diagrams of the same operation. A ...Rotational position detector, AM1 , AM2 , AM3
...Amplifier, COUN...Addition/subtraction counter, DSP...
Display, F...Band filter, FD...Frequency divider, G...
Gate circuit, HY... Hysteresis circuit, OS... Oscillator, PD... Phase difference signal generator, PR... Phase comparator, 1... Rotating shaft, 2... Rotating body, 3... Groove, 4... Detection coil printed board, 5... Detection Coil, 6... Magnetic pole plate, 7... Bearing, 8-11... Magnetic pole, 12, 13... Excitation coil, 14... Primary coil, 15... Stationary plate, 16
...bearing, 17...groove, 18...secondary coil, 19...blocking plate, 20...casing, 21...pushing member.
Claims (1)
端面に固着された検出コイルプリント板と、前記
検出コイルプリント板にプリントされた検出コイ
ルと、前記回転体に配設され且つ前記検出コイル
に接続された１次コイルと、前記１次コイルに対
向した２次コイルと、前記検出コイルプリント板
の検出コイルに対向した磁極板と、前記磁極板の
磁極に巻回され且つ互いに直交する磁界を作り出
す第１、第２の励磁コイルを備えている回転位置
検出器において、 検出コイルが少なくとも検出コイルプリント板
の所定の直径に平行な領域を有し、 励磁コイルはπ／２の回転移動した４つの部分
からなり、且つ前記４つの部分のうち互いにπの
回転移動した励磁コイルを直列に接続した第１、
第２の励磁コイルとしてなることを特徴とする回
転位置検出器。[Claims for Utility Model Registration] A rotating body fixed to a rotating shaft, a detection coil printed board fixed to one end surface of the rotating body, a detection coil printed on the detection coil printed board, and the rotating body a primary coil arranged in and connected to the detection coil, a secondary coil facing the primary coil, a magnetic pole plate facing the detection coil of the detection coil printed board, and a magnetic pole of the magnetic pole plate. A rotational position detector comprising first and second excitation coils that are wound and create mutually orthogonal magnetic fields, wherein the detection coil has at least a region parallel to a predetermined diameter of the detection coil printed board, and the excitation coil consists of four parts rotated by π/2, and among the four parts, the first part is connected in series with the excitation coils which are rotated by π relative to each other;
A rotational position detector characterized in that it serves as a second excitation coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14361486U JPS6247054Y2 (en) | 1986-09-18 | 1986-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14361486U JPS6247054Y2 (en) | 1986-09-18 | 1986-09-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62117513U true JPS62117513U (en) | 1987-07-25 |
| JPS6247054Y2 JPS6247054Y2 (en) | 1987-12-24 |
Family
ID=31053462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14361486U Expired JPS6247054Y2 (en) | 1986-09-18 | 1986-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6247054Y2 (en) |
-
1986
- 1986-09-18 JP JP14361486U patent/JPS6247054Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6247054Y2 (en) | 1987-12-24 |
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