JPH01152247U - - Google Patents
Info
- Publication number
- JPH01152247U JPH01152247U JP4887788U JP4887788U JPH01152247U JP H01152247 U JPH01152247 U JP H01152247U JP 4887788 U JP4887788 U JP 4887788U JP 4887788 U JP4887788 U JP 4887788U JP H01152247 U JPH01152247 U JP H01152247U
- Authority
- JP
- Japan
- Prior art keywords
- slit
- lamp
- wall
- sample chamber
- dust
- 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
- 239000011521 glass Substances 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims 2
- 238000011179 visual inspection Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図は本考案の一実施例を示す図であり、第
２図ａは本考案の他の一実施例を示す図であり、
ｂは図ａの断面図である。
１……筐体、２……ランプ、３……集光レンズ
、４……スリツト、５……光束、６……光吸収部
材、７……拡大鏡、８……試料取入口、９……観
察口、１０……接眼レンズ、１１……対物レンズ
、１２……仕切板、１３……試料室、１４……集
光点、１５……開閉蓋、１６……側面、１７……
穴、１８……板、１９……前部筐体、２０……後
部筐体、２１……試料取入口。
FIG. 1 is a diagram showing one embodiment of the present invention, and FIG. 2a is a diagram showing another embodiment of the present invention,
b is a cross-sectional view of figure a. DESCRIPTION OF SYMBOLS 1... Housing, 2... Lamp, 3... Condensing lens, 4... Slit, 5... Luminous flux, 6... Light absorption member, 7... Magnifying glass, 8... Sample intake port, 9... ... Observation port, 10 ... Eyepiece, 11 ... Objective lens, 12 ... Partition plate, 13 ... Sample chamber, 14 ... Focusing point, 15 ... Opening/closing lid, 16 ... Side, 17 ...
Hole, 18...Plate, 19...Front housing, 20...Rear housing, 21...Sample intake port.
Claims (1)
で仕切り、一方の側にランプ２、集光レンズ３を
設け、他方の側にスリツト４を通してランプ２の
光を集光して試料室１３を形成し、集光点に浮遊
する紛塵を試料室１３の壁面に設けた拡大鏡７に
よつて観察する粉塵目視装置において、前記試料
室１３の内壁を正反射性黒色部材で形成したこと
を特徴とする粉塵目視装置。 A partition plate 12 having a slit 4 inside the housing 1
A lamp 2 and a condensing lens 3 are installed on one side, and the light from the lamp 2 is condensed through a slit 4 on the other side to form a sample chamber 13. A dust visual inspection apparatus for observing dust using a magnifying glass 7 provided on the wall of a chamber 13, characterized in that the inner wall of the sample chamber 13 is formed of a specularly reflective black member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4887788U JPH0633408Y2 (en) | 1988-04-12 | 1988-04-12 | Dust visual inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4887788U JPH0633408Y2 (en) | 1988-04-12 | 1988-04-12 | Dust visual inspection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01152247U true JPH01152247U (en) | 1989-10-20 |
| JPH0633408Y2 JPH0633408Y2 (en) | 1994-08-31 |
Family
ID=31275006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4887788U Expired - Lifetime JPH0633408Y2 (en) | 1988-04-12 | 1988-04-12 | Dust visual inspection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0633408Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006189337A (en) * | 2005-01-06 | 2006-07-20 | Fuji Electric Systems Co Ltd | Fine particle measuring instrument |
| JP2010207711A (en) * | 2009-03-10 | 2010-09-24 | Panasonic Corp | Air cleaner |
| JP2014130167A (en) * | 2014-04-09 | 2014-07-10 | Shin Nippon Air Technol Co Ltd | Particle concentration measuring apparatus |
-
1988
- 1988-04-12 JP JP4887788U patent/JPH0633408Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006189337A (en) * | 2005-01-06 | 2006-07-20 | Fuji Electric Systems Co Ltd | Fine particle measuring instrument |
| JP2010207711A (en) * | 2009-03-10 | 2010-09-24 | Panasonic Corp | Air cleaner |
| JP2014130167A (en) * | 2014-04-09 | 2014-07-10 | Shin Nippon Air Technol Co Ltd | Particle concentration measuring apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0633408Y2 (en) | 1994-08-31 |
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