JPH0426352U - - Google Patents
Info
- Publication number
- JPH0426352U JPH0426352U JP6703590U JP6703590U JPH0426352U JP H0426352 U JPH0426352 U JP H0426352U JP 6703590 U JP6703590 U JP 6703590U JP 6703590 U JP6703590 U JP 6703590U JP H0426352 U JPH0426352 U JP H0426352U
- Authority
- JP
- Japan
- Prior art keywords
- space
- detection space
- optical sensor
- light emitting
- emitting 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 3
- 238000011109 contamination Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Measuring Cells (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Description
第１図はこの考案の一実施例である空気清浄機
に用いる光学式センサの概略構成を示す斜視図、
第２図はその概略平面図、第３図および第４図は
それぞれ空気の流れを形成する例を示す概略平面
図である。第５図は初期および経時における室内
の汚れ度とセンサ出力すなわち空気清浄機の風量
との関係を示すグラフ、第６図は光学式センサに
おける従来の問題点を説明するための説明図であ
る。
１０ａ……流出口、１０ｃ……被検知空間、１
３……キヤビテイ部、１５……発光素子、１６…
…受光素子。
FIG. 1 is a perspective view showing a schematic configuration of an optical sensor used in an air purifier, which is an embodiment of this invention;
FIG. 2 is a schematic plan view thereof, and FIGS. 3 and 4 are schematic plan views showing examples of forming air flows, respectively. FIG. 5 is a graph showing the relationship between the degree of indoor dirtiness and the sensor output, that is, the air volume of the air cleaner, both initially and over time, and FIG. 6 is an explanatory diagram for explaining the conventional problems with optical sensors. 10a...Outlet, 10c...Detected space, 1
3...Cavity part, 15...Light emitting element, 16...
…Light receiving element.
Claims (1)
間を設け、その被検知空間に向けて発光素子と受
光素子とを配置し、その発光素子から出た光を前
記被検知空間内の煙や埃などの粒子で反射して前
記受光素子で受交し、周囲の空気の汚れ具合を測
定する光学式センサにおいて、前記被検知空間内
の空気の流出口を、前記被検知空間を外して設け
たことを特徴とする、光学式センサ。 A detection space through which air flows in and out is provided in the cavity, a light emitting element and a light receiving element are arranged facing the detection space, and the light emitted from the light emitting element is used to detect smoke, dust, etc. in the detection space. In the optical sensor that measures the degree of contamination of the surrounding air by being reflected by particles and received by the light receiving element, the air outlet in the detected space is provided outside the detected space. An optical sensor featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6703590U JPH0426352U (en) | 1990-06-25 | 1990-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6703590U JPH0426352U (en) | 1990-06-25 | 1990-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0426352U true JPH0426352U (en) | 1992-03-02 |
Family
ID=31600259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6703590U Pending JPH0426352U (en) | 1990-06-25 | 1990-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426352U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0523520A (en) * | 1991-07-25 | 1993-02-02 | Matsushita Electric Works Ltd | Air purifier equipped with photoelectric dust detector |
| JPH08196846A (en) * | 1995-01-30 | 1996-08-06 | Matsushita Electric Ind Co Ltd | air purifier |
-
1990
- 1990-06-25 JP JP6703590U patent/JPH0426352U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0523520A (en) * | 1991-07-25 | 1993-02-02 | Matsushita Electric Works Ltd | Air purifier equipped with photoelectric dust detector |
| JPH08196846A (en) * | 1995-01-30 | 1996-08-06 | Matsushita Electric Ind Co Ltd | air purifier |
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