JPH0297606U

JPH0297606U -

Info

Publication number: JPH0297606U
Application number: JP681789U
Authority: JP
Priority date: 1989-01-24
Filing date: 1989-01-24
Publication date: 1990-08-03

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示すブロツク図、
第２図は第１図の動作を示す流れ図、第３図はフ
ートスイツチの波形図、第４図は測定観念図、第
５図は従来例を示すブロツク図、第６図１，２は
被測定物の軸心とレーザ光線のスキヤン平面との
関係を示す説明図である。１……被測定物用の支持手段、２……最小値演
算手段、３……表示手段、４０……装置本体、４
０Ａ……走査レーザ光出力部、４０Ａ……光学レ
ンズ系、４０Ｃ……信号検出手段、４０Ｄ……測
定値算定手段、Ｓ……レーザ光走査面、ＳＫ……
レーザ光しやへい領域、Ｗ……被測定物。 FIG. 1 is a block diagram showing an embodiment of the present invention.
Fig. 2 is a flowchart showing the operation of Fig. 1, Fig. 3 is a waveform diagram of the foot switch, Fig. 4 is a measurement concept diagram, Fig. 5 is a block diagram showing a conventional example, and Fig. 6 1 and 2 are under test. FIG. 3 is an explanatory diagram showing the relationship between the axis of an object and the scan plane of a laser beam. DESCRIPTION OF SYMBOLS 1...Support means for the object to be measured, 2...Minimum value calculation means, 3...Display means, 40...Device main body, 4
0A...Scanning laser beam output section, 40A...Optical lens system, 40C...Signal detection means, 40D...Measurement value calculation means, S...Laser beam scanning surface, SK...
Laser beam sensitive area, W...Object to be measured.

Claims

[Scope of utility model registration request]

an optical lens system including a laser beam scanning surface substantially orthogonal to the central axis of the object to be measured; a scanning laser beam output section that sends the scanning laser beam to the optical lens system;
a support means for swinging and supporting the object to be measured disposed within the laser beam scanning surface around the laser beam scanning surface; and a size of a laser beam sensitive area generated by the object to be measured. a signal detection means for detecting and converting it into an electrical signal, a measurement value calculation means for sequentially calculating the magnitude of the measurement value related to the laser beam sensitivity region output from the signal detection means, and the measurement value calculation means A laser type non-contact device characterized by being provided with a minimum value calculation means for selecting and outputting the minimum value of the measurement value information sequentially output from the above, and a display means for displaying the measurement value output from the minimum value calculation means. Diameter measuring device.