JPH01180704U - - Google Patents
Info
- Publication number
- JPH01180704U JPH01180704U JP7327688U JP7327688U JPH01180704U JP H01180704 U JPH01180704 U JP H01180704U JP 7327688 U JP7327688 U JP 7327688U JP 7327688 U JP7327688 U JP 7327688U JP H01180704 U JPH01180704 U JP H01180704U
- Authority
- JP
- Japan
- Prior art keywords
- image sensor
- test piece
- measuring
- deviation
- elongation
- 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
- 238000005259 measurement Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Description
第１図は本考案にかかる光学式伸び計の１例の
構成ブロツク図、第２図は伸び測定センサとずれ
測定センサの関係をあらわす斜視図、および第３
図ａ，ｂ，ｃは、並行ガラス板の作用の説明図で
ある。
１…光学式伸び計、２…試験片、４…凸レンズ
、４…並行ガラス板、６…伸び測定用のイメージ
センサ、７…ずれ測定用のイメージセンサ、８…
モータ（駆動手段）。
FIG. 1 is a block diagram of one example of the optical extensometer according to the present invention, FIG. 2 is a perspective view showing the relationship between the elongation measurement sensor and the displacement measurement sensor, and FIG.
Figures a, b, and c are explanatory diagrams of the action of parallel glass plates. DESCRIPTION OF SYMBOLS 1... Optical extensometer, 2... Test piece, 4... Convex lens, 4... Parallel glass plate, 6... Image sensor for elongation measurement, 7... Image sensor for displacement measurement, 8...
Motor (drive means).
Claims (1)
ンサで試験片に印した標点マークを読み取り、そ
の読取り結果に基づいて標点間距離を検出する光
学式伸び計において、前記試験片に対向しかつ該
試験片の位置から観た場合に前記伸び測定用のイ
メージセンサと直交する方向に設けられたずれ測
定用のイメージセンサと、該ずれ測定センサの測
定結果に基づいて光軸の向きを調節し、ずれを較
正する調節手段とを設けたことを特徴とする光学
式伸び計。 In an optical extensometer, a gauge mark marked on the test piece is read by an image sensor for elongation measurement installed parallel to the test piece, and the distance between the gauge marks is detected based on the reading result. and an image sensor for measuring deviation provided in a direction perpendicular to the image sensor for measuring elongation when viewed from the position of the test piece, and adjusting the direction of the optical axis based on the measurement results of the sensor for measuring deviation. and an adjustment means for calibrating the deviation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7327688U JPH01180704U (en) | 1988-05-31 | 1988-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7327688U JPH01180704U (en) | 1988-05-31 | 1988-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01180704U true JPH01180704U (en) | 1989-12-26 |
Family
ID=31298422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7327688U Pending JPH01180704U (en) | 1988-05-31 | 1988-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01180704U (en) |
-
1988
- 1988-05-31 JP JP7327688U patent/JPH01180704U/ja active Pending
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