JPS648614U - - Google Patents
Info
- Publication number
- JPS648614U JPS648614U JP10284987U JP10284987U JPS648614U JP S648614 U JPS648614 U JP S648614U JP 10284987 U JP10284987 U JP 10284987U JP 10284987 U JP10284987 U JP 10284987U JP S648614 U JPS648614 U JP S648614U
- Authority
- JP
- Japan
- Prior art keywords
- light
- output
- light receiving
- reflected light
- dimensional sensor
- 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 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
Description
第１図は本考案の光電センサの光学系を示す図
、第２図は本実施例に用いる平板状レンズと一次
元イメージセンサを示す図、第３図は平板状レン
ズを示す斜視図、第４図は本実施例の光電センサ
の電気的構成を示すブロツク図、第５図はその動
作特性を示すグラフ、第６図は従来の光電センサ
の一例を示すブロツク図、第７図はその動作特性
を示すグラフである。
６……位置検出素子、１１……平板状レンズ、
１２，１３……Ｉ／Ｖ変換器、１４，１５……増
幅器、１６……加算回路、１７……減算回路、１
８……割算回路、１９……出力回路、２０……Ｌ
レベル検知回路、２１……距離判別回路、２３…
…信号処理部。
FIG. 1 is a diagram showing the optical system of the photoelectric sensor of the present invention, FIG. 2 is a diagram showing the flat lens and one-dimensional image sensor used in this embodiment, and FIG. 3 is a perspective view showing the flat lens. Fig. 4 is a block diagram showing the electrical configuration of the photoelectric sensor of this embodiment, Fig. 5 is a graph showing its operating characteristics, Fig. 6 is a block diagram showing an example of a conventional photoelectric sensor, and Fig. 7 is its operation. It is a graph showing characteristics. 6... Position detection element, 11... Flat lens,
12, 13...I/V converter, 14, 15...Amplifier, 16...Addition circuit, 17...Subtraction circuit, 1
8...Division circuit, 19...Output circuit, 20...L
Level detection circuit, 21... Distance discrimination circuit, 23...
...Signal processing section.
Claims (1)
投光部と、前記投光部の光軸より一定角度を持つ
て交叉するように配置され物体からの反射光を受
光する一次元センサを含む受光部を有し、受光位
置に基づいて物体までの距離を検出する光電セン
サであつて、 測距範囲に位置する物体からの反射光を受光し
て前記一次元センサに与える凸レンズと、 前記測距範囲より近傍に位置する物体からの反
射光を屈折させ前記一次元センサの端部に与える
一端が湾曲した楔形を有する平板状レンズと、 前記受光部の一次元センサ出力により連続した
出力を与えると共に、前記一次元受光部に反射光
が与えられないときの出力を出力範囲の一端に固
定することにより物体の位置に対して単調に変化
する出力を得る信号処理部と、を具備することを
特徴とする光電センサ。[Claims for Utility Model Registration] A light projector that directs and irradiates a parallel light beam toward a detection area, and a light projector that is arranged to intersect at a certain angle from the optical axis of the light projector and emits reflected light from an object. A photoelectric sensor that has a light receiving section including a one-dimensional sensor that receives light and detects a distance to an object based on a light receiving position, the one-dimensional sensor detects reflected light from an object located within a distance measurement range. a flat lens having a wedge shape with one end curved, which refracts reflected light from an object located closer than the distance measurement range and supplies it to an end of the one-dimensional sensor; and a one-dimensional sensor of the light receiving section. a signal processing section that provides a continuous output and also obtains an output that monotonically changes with respect to the position of the object by fixing the output when no reflected light is provided to the one-dimensional light receiving section at one end of the output range; A photoelectric sensor comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10284987U JPS648614U (en) | 1987-07-03 | 1987-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10284987U JPS648614U (en) | 1987-07-03 | 1987-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS648614U true JPS648614U (en) | 1989-01-18 |
Family
ID=31333137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10284987U Pending JPS648614U (en) | 1987-07-03 | 1987-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS648614U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0564276U (en) * | 1992-02-06 | 1993-08-27 | 株式会社イナックス | Western style toilet bowl |
| JP2007010556A (en) * | 2005-07-01 | 2007-01-18 | Sharp Corp | Optical range finding sensor, and equipment provided therewith |
-
1987
- 1987-07-03 JP JP10284987U patent/JPS648614U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0564276U (en) * | 1992-02-06 | 1993-08-27 | 株式会社イナックス | Western style toilet bowl |
| JP2007010556A (en) * | 2005-07-01 | 2007-01-18 | Sharp Corp | Optical range finding sensor, and equipment provided therewith |
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