JPH045211U - - Google Patents
Info
- Publication number
- JPH045211U JPH045211U JP4383190U JP4383190U JPH045211U JP H045211 U JPH045211 U JP H045211U JP 4383190 U JP4383190 U JP 4383190U JP 4383190 U JP4383190 U JP 4383190U JP H045211 U JPH045211 U JP H045211U
- Authority
- JP
- Japan
- Prior art keywords
- threshold value
- output voltage
- sensor
- air volume
- optical sensor
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 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 4
- 238000003915 air pollution Methods 0.000 description 1
Description
第１図は本考案による空気清浄機の回路ブロツ
ク図、第２図は空気の汚れ度に対するセンサ出力
の初期設定関係を示すグラフ、第３図はセンサ出
力と風量の初期設定関係を示すグラフ、第４図は
風量調整の動作フローチヤート、第５図は汚れ度
とセンサ出力の変化を示すグラフ、第６図はセン
サ出力の経時変化を示す説明図、第７図及び第８
図はセンサ出力と風量の対応関係の変更例をそれ
ぞれ示す説明図、第９図は光学式センサの概念図
である。
１０……光学式センサ、１２……ワンチツプマ
イコン、１３……フアンモータ。
FIG. 1 is a circuit block diagram of an air purifier according to the present invention, FIG. 2 is a graph showing the initial setting relationship between sensor output and air pollution level, and FIG. 3 is a graph showing the initial setting relationship between sensor output and air volume. Figure 4 is an operation flowchart for air volume adjustment, Figure 5 is a graph showing changes in dirt level and sensor output, Figure 6 is an explanatory diagram showing changes in sensor output over time, Figures 7 and 8
The figures are explanatory diagrams showing examples of changes in the correspondence between sensor output and air volume, and FIG. 9 is a conceptual diagram of the optical sensor. 10... Optical sensor, 12... One-chip microcomputer, 13... Fan motor.
Claims (1)
の出力電圧に数段階の閾値を設定して風量を段階
的に自動調整する空気清浄機において、前記セン
サの出力電圧を一定時間周期で監視し、その間の
最低レベルに従つて前記閾値を自動的に調整する
閾値調整手段を備えたことを特徴とする、空気清
浄機。 In an air purifier that detects particles such as smoke and dust with an optical sensor and automatically adjusts the air volume step by step by setting several thresholds for the output voltage, the output voltage of the sensor is monitored at regular time intervals. and a threshold value adjusting means for automatically adjusting the threshold value according to the lowest level therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4383190U JP2503062Y2 (en) | 1990-04-24 | 1990-04-24 | Air cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4383190U JP2503062Y2 (en) | 1990-04-24 | 1990-04-24 | Air cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH045211U true JPH045211U (en) | 1992-01-17 |
| JP2503062Y2 JP2503062Y2 (en) | 1996-06-26 |
Family
ID=31556585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4383190U Expired - Fee Related JP2503062Y2 (en) | 1990-04-24 | 1990-04-24 | Air cleaner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2503062Y2 (en) |
-
1990
- 1990-04-24 JP JP4383190U patent/JP2503062Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2503062Y2 (en) | 1996-06-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |