JPH03128841U - - Google Patents
Info
- Publication number
- JPH03128841U JPH03128841U JP2416190U JP2416190U JPH03128841U JP H03128841 U JPH03128841 U JP H03128841U JP 2416190 U JP2416190 U JP 2416190U JP 2416190 U JP2416190 U JP 2416190U JP H03128841 U JPH03128841 U JP H03128841U
- Authority
- JP
- Japan
- Prior art keywords
- air
- light emitting
- light receiving
- light
- duct
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000003915 air pollution Methods 0.000 claims 1
- 239000000356 contaminant Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 1
Landscapes
- Optical Radar Systems And Details Thereof (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簡略図、第２
図は同上の動作を説明する要部断面図、第３図は
従来例の分解斜視図、第４図は粒子濃度と信号出
力との関係を示す図である。
１……検出部、２……発光素子、３……受光素
子、４……風道、６……空気清浄機、Ｐ……検知
領域、Ｑ……発光領域、Ｒ……受光領域。
Figure 1 is a simplified diagram showing one embodiment of the present invention;
FIG. 3 is an exploded perspective view of the conventional example, and FIG. 4 is a diagram showing the relationship between particle concentration and signal output. DESCRIPTION OF SYMBOLS 1...Detection part, 2...Light emitting element, 3...Light receiving element, 4...Air duct, 6...Air purifier, P...Detection area, Q...Light emitting area, R...Light receiving area.
Claims (1)
光式の空気汚れセンサーにおいて、発光素子の発
光領域と受光素子の受光領域を略直角に交差させ
て生ずる検知領域を、前記風道内に設けたことを
特徴とする機器内蔵空気汚れセンサー。 In a scattered light type air contaminant sensor disposed in a wind duct of a device with air flow, a detection region formed by crossing the light emitting area of a light emitting element and the light receiving area of a light receiving element at a substantially right angle is provided in the air duct. An air pollution sensor with a built-in device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2416190U JPH03128841U (en) | 1990-03-09 | 1990-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2416190U JPH03128841U (en) | 1990-03-09 | 1990-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03128841U true JPH03128841U (en) | 1991-12-25 |
Family
ID=31527132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2416190U Pending JPH03128841U (en) | 1990-03-09 | 1990-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03128841U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01102746A (en) * | 1987-10-16 | 1989-04-20 | Hitachi Ltd | Optical disk recording and reproducing device |
-
1990
- 1990-03-09 JP JP2416190U patent/JPH03128841U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01102746A (en) * | 1987-10-16 | 1989-04-20 | Hitachi Ltd | Optical disk recording and reproducing device |
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