JPH0247516U - - Google Patents
Info
- Publication number
- JPH0247516U JPH0247516U JP12597888U JP12597888U JPH0247516U JP H0247516 U JPH0247516 U JP H0247516U JP 12597888 U JP12597888 U JP 12597888U JP 12597888 U JP12597888 U JP 12597888U JP H0247516 U JPH0247516 U JP H0247516U
- Authority
- JP
- Japan
- Prior art keywords
- core
- coil
- rotating
- rotation angle
- constant
- 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
- 230000005284 excitation Effects 0.000 claims 2
- 230000004907 flux Effects 0.000 claims 1
- 230000006698 induction Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案による第１の実施例を示す平面
図、第２図は第１図のＡ―Ａ′線に沿つて切断し
た矢印の方向に見た縦断面図、第３図は説明の便
宜上円板コア１０と回転コア１３のみを抜出して
示した概略平面図、第４図は本考案が適用される
コントロール系を示したブロツク図、第５図は本
考案による第２の実施例を示す縦断面図である。
１…ケース、２…ねじ穴、３…回転軸、４，５
…ボールベアリング、６…キヤツプ、７…締付け
リング、８…ねじ、９…カラー、１０…円板コア
、１１，４１…フレキシブルＰＣＢ、１２…セツ
トスクリユー、１３，４３…回転コア、１４…接
着剤、１５…ハイブリツドＩＣ、１６…キヤプタ
イヤコード、１７…ストツプリング、４０…円筒
コア、４２…アーム、４４…リガメント。
Fig. 1 is a plan view showing a first embodiment of the present invention, Fig. 2 is a longitudinal sectional view taken along the line A-A' in Fig. 1 and seen in the direction of the arrow, and Fig. 3 is an explanation. FIG. 4 is a block diagram showing a control system to which the present invention is applied, and FIG. 5 is a second embodiment of the present invention. FIG. 1... Case, 2... Screw hole, 3... Rotating shaft, 4, 5
...Ball bearing, 6...Cap, 7...Tightening ring, 8...Screw, 9...Collar, 10...Disc core, 11, 41...Flexible PCB, 12...Set screw, 13, 43...Rotating core, 14...Adhesion 15... Hybrid IC, 16... Captive tire cord, 17... Stop ring, 40... Cylindrical core, 42... Arm, 44... Ligament.
Claims (1)
とギヤツプｇを隔ててケースに固定された円板コ
アまたは円筒コアを対向させ、該円板コアまたは
円筒コアの表面にフレキシブルＰＣＢを接着し、
該フレキシブルＰＣＢ上に回転角に応じて幅の変
わるピツクアツプコイルと幅一定のコントロール
コイルを形成し、励磁コイルにより前記回転コア
と前記円板コアまたは円筒コア間に交流磁束を発
生させ、前記コントロールコイルへの誘導電圧が
一定になるように前記励磁コイルの電流を制御し
、前記ピツクアツプコイルから回転角に応じた出
力電圧を得ることを特徴とする回転式磁気誘導型
無接触ポテンシヨメータ。 A disc core or a cylindrical core fixed to a case is opposed to an end face of a rotating core that rotates integrally with the rotating shaft with a gap g in between, and a flexible PCB is adhered to the surface of the disc core or cylindrical core.
A pickup coil whose width changes depending on the rotation angle and a control coil whose width is constant are formed on the flexible PCB, and an excitation coil generates an alternating current magnetic flux between the rotating core and the disk core or the cylindrical core, and the control coil A rotary magnetic induction type non-contact potentiometer, characterized in that the current of the excitation coil is controlled so that the induced voltage to the pickup coil is constant, and the output voltage according to the rotation angle is obtained from the pickup coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12597888U JPH0645852Y2 (en) | 1988-09-27 | 1988-09-27 | Rotary magnetic induction type non-contact potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12597888U JPH0645852Y2 (en) | 1988-09-27 | 1988-09-27 | Rotary magnetic induction type non-contact potentiometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0247516U true JPH0247516U (en) | 1990-03-30 |
| JPH0645852Y2 JPH0645852Y2 (en) | 1994-11-24 |
Family
ID=31377066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12597888U Expired - Lifetime JPH0645852Y2 (en) | 1988-09-27 | 1988-09-27 | Rotary magnetic induction type non-contact potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0645852Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008232846A (en) * | 2007-03-20 | 2008-10-02 | Okuma Corp | Absolute encoder |
-
1988
- 1988-09-27 JP JP12597888U patent/JPH0645852Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008232846A (en) * | 2007-03-20 | 2008-10-02 | Okuma Corp | Absolute encoder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0645852Y2 (en) | 1994-11-24 |
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