JPH0265149U - - Google Patents
Info
- Publication number
- JPH0265149U JPH0265149U JP14430288U JP14430288U JPH0265149U JP H0265149 U JPH0265149 U JP H0265149U JP 14430288 U JP14430288 U JP 14430288U JP 14430288 U JP14430288 U JP 14430288U JP H0265149 U JPH0265149 U JP H0265149U
- Authority
- JP
- Japan
- Prior art keywords
- lamp
- optical fiber
- illuminance
- power supply
- conversion element
- 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.)
- Granted
Links
- 239000013307 optical fiber Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 244000144992 flock Species 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000012806 monitoring device Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図は本考案の実施例の概略を示す構成図、
第２図は同実施例のブロツク回路図、第３図は同
実施例に使用する光フアイバーの一部を断面で示
す側面図、第４図は同実施例に使用する照明部に
おけるフアイバーの配列説明図、第５図はフロツ
ク量と輝度の関係の説明図、第６図はフロツク監
視装置の構成説明図、第７図は従来並列対向型照
明器とカメラの配置を示す斜視図である。
１…並列対向照明部、２１…主光フアイバー、
２２…参照用光フアイバー、３…ランプ電源回路
、４…照度補正器、５…光―電変換素子、６…比
較増幅回路、７…ＵＪＴ発振回路、８…スイツチ
ング素子、９…ランプ。
FIG. 1 is a configuration diagram showing an outline of an embodiment of the present invention;
Fig. 2 is a block circuit diagram of the same embodiment, Fig. 3 is a side view showing a cross section of a part of the optical fiber used in the same embodiment, and Fig. 4 is the arrangement of fibers in the illumination section used in the same embodiment. FIG. 5 is an explanatory diagram of the relationship between the amount of flock and brightness, FIG. 6 is an explanatory diagram of the configuration of the flock monitoring device, and FIG. 7 is a perspective view showing the arrangement of a conventional parallel-opposed illuminator and a camera. 1... Parallel opposing lighting section, 2 1 ... Main optical fiber,
2 2 ... Reference optical fiber, 3... Lamp power supply circuit, 4... Illuminance corrector, 5... Photo-electric conversion element, 6... Comparison amplifier circuit, 7... UJT oscillation circuit, 8... Switching element, 9... Lamp.
Claims (1)
部をそれぞれ分岐し、その端部を並列対向してな
る並列対向照明部と、 前記主光フアイバーの他端に対向して設けられ
たランプと、 前記ランプを点灯するランプ電源回路と、 前記参照用フアイバーの他端に対向して設けら
れた光電変換素子を含み、該光電変換素子の出力
により、前記ランプ電源回路を制御する照度補正
器と、 よりなり、前記参照用光フアイバーよりの参照
光の光量が一定となるように前記ランプの照度を
自動的に補正することを特徴としたフロツク計測
装置における照明装置。[Claims for Utility Model Registration] A parallel opposing illumination section formed by branching one end of a main optical fiber and a reference optical fiber, and having the ends facing each other in parallel; a lamp provided, a lamp power supply circuit for lighting the lamp, and a photoelectric conversion element provided opposite to the other end of the reference fiber, the lamp power supply circuit being controlled by the output of the photoelectric conversion element. An illumination device for a flock measurement device, comprising: an illuminance corrector for automatically correcting the illuminance of the lamp so that the amount of reference light from the reference optical fiber is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14430288U JPH0648391Y2 (en) | 1988-11-04 | 1988-11-04 | Lighting device in flock measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14430288U JPH0648391Y2 (en) | 1988-11-04 | 1988-11-04 | Lighting device in flock measurement device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0265149U true JPH0265149U (en) | 1990-05-16 |
| JPH0648391Y2 JPH0648391Y2 (en) | 1994-12-12 |
Family
ID=31411894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14430288U Expired - Lifetime JPH0648391Y2 (en) | 1988-11-04 | 1988-11-04 | Lighting device in flock measurement device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0648391Y2 (en) |
-
1988
- 1988-11-04 JP JP14430288U patent/JPH0648391Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0648391Y2 (en) | 1994-12-12 |
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