JPH0355507U - - Google Patents
Info
- Publication number
- JPH0355507U JPH0355507U JP11507789U JP11507789U JPH0355507U JP H0355507 U JPH0355507 U JP H0355507U JP 11507789 U JP11507789 U JP 11507789U JP 11507789 U JP11507789 U JP 11507789U JP H0355507 U JPH0355507 U JP H0355507U
- Authority
- JP
- Japan
- Prior art keywords
- light
- output
- measured
- focusing
- receiving
- 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
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Measurement Of Optical Distance (AREA)
Description
第１図はこの考案の一実施例の光学式変位計に
おける受光素子の配置を示す図である。第２図は
この考案の一実施例の光学式変位計の電気的構成
を示す概略ブロツク図である。第３図は測定対象
物体の変位と割算器の出力との関係を示すグラフ
である。第４図はこの考案の背景となる光学式変
位計の投光部および受光部の概略構成を示す図で
ある。第５図、第６Ａ図、第６Ｂ図、第７図およ
び第８図は三角測距法による変位測定原理を説明
するための図である。第９図はこの考案の背景と
なる光学式変位計の電気的構成を示す概略ブロツ
ク図である。
図において、１０……発光素子、１２……コリ
メータレンズ、１４……測定対象物体、１６……
受光レンズ、１８……ＰＳＤ、２２および２４…
…プリアンプ、２８……割算器を示す。
FIG. 1 is a diagram showing the arrangement of light receiving elements in an optical displacement meter according to an embodiment of this invention. FIG. 2 is a schematic block diagram showing the electrical configuration of an optical displacement meter according to an embodiment of this invention. FIG. 3 is a graph showing the relationship between the displacement of the object to be measured and the output of the divider. FIG. 4 is a diagram showing a schematic configuration of a light projecting section and a light receiving section of an optical displacement meter, which is the background of this invention. FIG. 5, FIG. 6A, FIG. 6B, FIG. 7, and FIG. 8 are diagrams for explaining the principle of displacement measurement by triangulation. FIG. 9 is a schematic block diagram showing the electrical configuration of an optical displacement meter, which is the background of this invention. In the figure, 10... light emitting element, 12... collimator lens, 14... object to be measured, 16...
Light receiving lens, 18...PSD, 22 and 24...
. . . preamplifier, 28 . . . indicates a divider.
Claims (1)
射手段と、 測定対象物体からの反射光を集束するための集
束光学系と、 前記集束光学系によつて集光された光を受光す
るための受光面を有しかつ該受光面における反射
光の受光位置に対応した第１および第２の信号を
出力する第１および第２の出力端を有する受光手
段と、 前記受光手段の前記第１および第２の出力端か
らの信号に基づいて、測定対象物体との距離また
は距離の変化を演算する演算手段とを備えた光学
式変位計において、 前記受光手段は、前記第１の出力端が前記集束
光学系の主点を通り、かつ前記光投射手段からの
光ビームの投射方向と平行な線上に位置するよう
に配置され、 前記演算手段は、前記受光手段の第１の出力端
からの出力を前記第２の出力端からの出力で除算
する除算回路手段を含む、光学式変位計。[Claims for Utility Model Registration] A light projection means for projecting a light beam onto an object to be measured; a focusing optical system for focusing reflected light from the object to be measured; and a focusing optical system for focusing light reflected from the object to be measured; light-receiving means having a light-receiving surface for receiving the reflected light and having first and second output ends that output first and second signals corresponding to the light-receiving position of the reflected light on the light-receiving surface; An optical displacement meter comprising: a calculation means for calculating a distance or a change in distance to an object to be measured based on signals from the first and second output ends of the light reception means, the light reception means comprising: The first output end is located on a line that passes through the principal point of the focusing optical system and is parallel to the projection direction of the light beam from the light projection means, and the calculation means is arranged to An optical displacement meter, comprising dividing circuit means for dividing the output from the first output end by the output from the second output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11507789U JPH0355507U (en) | 1989-09-30 | 1989-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11507789U JPH0355507U (en) | 1989-09-30 | 1989-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0355507U true JPH0355507U (en) | 1991-05-29 |
Family
ID=31663420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11507789U Pending JPH0355507U (en) | 1989-09-30 | 1989-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355507U (en) |
-
1989
- 1989-09-30 JP JP11507789U patent/JPH0355507U/ja active Pending
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