JPH0171708U - - Google Patents
Info
- Publication number
- JPH0171708U JPH0171708U JP1987167500U JP16750087U JPH0171708U JP H0171708 U JPH0171708 U JP H0171708U JP 1987167500 U JP1987167500 U JP 1987167500U JP 16750087 U JP16750087 U JP 16750087U JP H0171708 U JPH0171708 U JP H0171708U
- Authority
- JP
- Japan
- Prior art keywords
- pairs
- respect
- laser beam
- split sensors
- light 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
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Description
第１図は本考案の基準線測定装置の一実施例を
示す側面図、第２図は第１図の基準線測定装置の
主要部を構成する受光部および演算器の要部構成
を示すブロツク図、第３図は受光部の分割センサ
ーからの出力の差と回転円板の回転角との関係を
グラフで示す特性図、第４図は本考案の基準線測
定装置の受光部の他の実施例を示す要部構成図、
第５図は従来の基準線測定装置の構成を示す側面
図、第６図は同じく従来の基準線測定装置の受光
部の正面図である。
２，２ａ…レーザ発振器、３ａ…本考案の基準
線測定装置の受光部、３―１…回転円板、４―１
，４―２…二分割センサー、３―２…ステツピン
グモータ、３―３…回転角検出器、５…差動増幅
器、６…演算器、７…Ａ／Ｄ変換器。
FIG. 1 is a side view showing an embodiment of the reference line measuring device of the present invention, and FIG. 2 is a block diagram showing the configuration of the main parts of the light receiving section and computing unit that constitute the main parts of the reference line measuring device of FIG. Figure 3 is a characteristic diagram that graphically shows the relationship between the difference in output from the split sensor of the light receiving section and the rotation angle of the rotating disk, and Figure 4 is a characteristic diagram of the other light receiving section of the reference line measuring device of the present invention. Main part configuration diagram showing an example,
FIG. 5 is a side view showing the configuration of a conventional reference line measuring device, and FIG. 6 is a front view of a light receiving section of the conventional reference line measuring device. 2, 2a... Laser oscillator, 3a... Light receiving part of the reference line measuring device of the present invention, 3-1... Rotating disk, 4-1
, 4-2... Two-split sensor, 3-2... Stepping motor, 3-3... Rotation angle detector, 5... Differential amplifier, 6... Arithmetic unit, 7... A/D converter.
Claims (1)
このレーザ発振器の出力側に一定の距離をおいて
板面をレーザ光に対し直角になるように向けると
共に、中心軸の周りに一定の角速度で回転する回
転板と、この回転板上に回転中心に対し対称に配
置した複数の対の分割センサーを設けた受光部と
、前記回転板の回転と共に発生する対の分割セン
サー間の出力差に応じて前記受光部に入射するレ
ーザ光の入射位置の基準に対する偏りおよび方位
を演算する演算器とから成ることを特徴とする基
準線測定装置。 (2) 回転板上の回転中心に対し互いに逆対称に
配置した複数の対の分割センサーは二分割センサ
ーとすることを特徴とする実用新案登録請求の範
囲第(1)項記載の基準線測定装置。[Scope of claims for utility model registration] (1) A laser oscillator that outputs a reference laser beam,
The laser oscillator has a rotating plate that rotates at a constant angular velocity around the central axis, with the plate surface facing perpendicular to the laser beam at a certain distance from the output side of the laser oscillator, and a rotation center on the rotating plate. A light receiving section is provided with a plurality of pairs of split sensors arranged symmetrically with respect to each other, and an incident position of the laser beam incident on the light receiving section is determined according to an output difference between the pairs of split sensors that occurs as the rotary plate rotates. 1. A reference line measuring device comprising: a calculator that calculates bias and orientation with respect to a reference. (2) Reference line measurement according to claim (1) of the utility model registration claim, characterized in that the plurality of pairs of split sensors arranged antisymmetrically with respect to the center of rotation on the rotary plate are two-split sensors. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167500U JPH0171708U (en) | 1987-10-31 | 1987-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167500U JPH0171708U (en) | 1987-10-31 | 1987-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171708U true JPH0171708U (en) | 1989-05-15 |
Family
ID=31455854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987167500U Pending JPH0171708U (en) | 1987-10-31 | 1987-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171708U (en) |
-
1987
- 1987-10-31 JP JP1987167500U patent/JPH0171708U/ja active Pending
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