JPH04162U - - Google Patents
Info
- Publication number
- JPH04162U JPH04162U JP3777990U JP3777990U JPH04162U JP H04162 U JPH04162 U JP H04162U JP 3777990 U JP3777990 U JP 3777990U JP 3777990 U JP3777990 U JP 3777990U JP H04162 U JPH04162 U JP H04162U
- Authority
- JP
- Japan
- Prior art keywords
- detection gear
- rotating machine
- detector
- diameter portion
- magnetic
- 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
- 238000001514 detection method Methods 0.000 claims description 10
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図はこの考案の一実施例における磁気式エ
ンコーダ部を示す部分断面図、第２図は従来にお
ける回転機の一例である磁気式エンコーダ部を示
す部分断面図、第３図は検出歯車が歪んでいない
良い時の出力波形図、第４図は検出歯車が歪んで
いる悪い時の出力波形図である。
図において、１は回転軸、１ａは回転軸の段落
部、２は検出歯車、３は磁気検出素子、４は磁気
検出素子取付座、５は緩衝材である。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 partial sectional view showing a magnetic encoder section in an embodiment of this invention, Fig. 2 is a partial sectional view showing a magnetic encoder section as an example of a conventional rotating machine, and Fig. 3 shows a detection gear. Fig. 4 is an output waveform diagram when the detection gear is distorted. In the figure, 1 is a rotating shaft, 1a is a stepped portion of the rotating shaft, 2 is a detection gear, 3 is a magnetic detection element, 4 is a mounting seat for the magnetic detection element, and 5 is a buffer material. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
この検出歯車の歯部に対向して磁気検出素子を設
置し、前記検出歯車の回転による磁束の変化を電
気信号に変換して回転数を検出する検出器付回転
機において、該回転軸の大径部と小径部の段落部
端面と、検出歯車の間に可撓性を有すゴム板ある
いは紙などの緩衝材を狭み込んだことを特徴とす
る検出器付回転機。 Attach a magnetic detection gear to the rotating shaft of the rotating machine,
In a rotating machine with a detector that detects the number of rotations by installing a magnetic detection element opposite to the teeth of the detection gear and converting changes in magnetic flux caused by the rotation of the detection gear into an electrical signal, A rotating machine with a detector, characterized in that a cushioning material such as a flexible rubber plate or paper is sandwiched between the end faces of the stepped portions of the diameter portion and the small diameter portion and the detection gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3777990U JPH04162U (en) | 1990-04-09 | 1990-04-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3777990U JPH04162U (en) | 1990-04-09 | 1990-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04162U true JPH04162U (en) | 1992-01-06 |
Family
ID=31545198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3777990U Pending JPH04162U (en) | 1990-04-09 | 1990-04-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04162U (en) |
-
1990
- 1990-04-09 JP JP3777990U patent/JPH04162U/ja active Pending
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