JPH02141829U - - Google Patents
Info
- Publication number
- JPH02141829U JPH02141829U JP5201789U JP5201789U JPH02141829U JP H02141829 U JPH02141829 U JP H02141829U JP 5201789 U JP5201789 U JP 5201789U JP 5201789 U JP5201789 U JP 5201789U JP H02141829 U JPH02141829 U JP H02141829U
- Authority
- JP
- Japan
- Prior art keywords
- gap
- wiper
- vertical surfaces
- moves
- sliding contact
- 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
- 239000010802 sludge Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 239000010865 sewage Substances 0.000 claims 1
- 238000004062 sedimentation Methods 0.000 description 2
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図は本考案汚泥沈降界面検知器の要部縦断
側面図であつて、［Ａ］はシリンダーロツドの繰
り出しによりワイパーが下降した状態を示し、［
Ｂ］はシリンダーロツドの繰り込みによりワイパ
ーが上昇した状態を示す。第２図は公知の透過型
光センサーを用いた汚泥沈降界面検知器の感知部
の側面図である。
１……フロート、１ａ，１ｂ……鉛直面、２ａ
……投光面、２ｂ……受光面、４……ワイパー、
６…シリンダーロツド、Ｇ……狭間。
FIG. 1 is a longitudinal sectional side view of the essential parts of the sludge sedimentation interface detector of the present invention, where [A] shows the state in which the wiper is lowered due to the extension of the cylinder rod;
B] shows the state in which the wiper is raised due to the retraction of the cylinder rod. FIG. 2 is a side view of a sensing portion of a sludge sedimentation interface detector using a known transmission type optical sensor. 1...Float, 1a, 1b...Vertical surface, 2a
... Light emitting surface, 2b ... Light receiving surface, 4 ... Wiper,
6...Cylinder rod, G...Gap.
Claims (1)
降するフロート１に、槽内水が流通し得るよう鉛
直面１ａ，１ｂを所定間隔に対向させて形成され
る狭間Ｇを有せしめ、該狭間Ｇを隔てて透過型光
センサーの投光面２ａと受光面２ｂを対向状に配
設し、両鉛直面１ａ，１ｂと摺接するワイパー４
を狭間Ｇ内に嵌装し、流体圧で駆動するシリンダ
ーロツド６の先端をワイパー４に連結し、該ワイ
パー４がロツド６の伸縮作動に伴い両鉛直面１ａ
，１ｂと摺接しつつ狭間Ｇ内を上下動することに
より、センサー投・受光面２ａ，２ｂを清掃し得
るよう構成せられた汚泥沈降界面検知器。 The float 1, which moves up and down in response to increases and decreases in the water level in the sewage treatment tank, has a gap G formed by opposing vertical surfaces 1a and 1b at a predetermined interval so that water in the tank can flow, and the gap G The light emitting surface 2a and the light receiving surface 2b of the transmission type optical sensor are arranged to face each other with a distance between them, and the wiper 4 is in sliding contact with both vertical surfaces 1a and 1b.
is inserted into the gap G, and the tip of a cylinder rod 6 driven by fluid pressure is connected to the wiper 4, and the wiper 4 moves across both vertical surfaces 1a as the rod 6 expands and contracts.
, 1b, the sludge settling interface detector is configured to be able to clean the sensor projection/reception surfaces 2a, 2b by moving up and down within the gap G while making sliding contact with the sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5201789U JPH02141829U (en) | 1989-05-01 | 1989-05-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5201789U JPH02141829U (en) | 1989-05-01 | 1989-05-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02141829U true JPH02141829U (en) | 1990-11-29 |
Family
ID=31571965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5201789U Pending JPH02141829U (en) | 1989-05-01 | 1989-05-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02141829U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6339261B2 (en) * | 1979-05-14 | 1988-08-04 | Fuji Electric Co Ltd |
-
1989
- 1989-05-01 JP JP5201789U patent/JPH02141829U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6339261B2 (en) * | 1979-05-14 | 1988-08-04 | Fuji Electric Co Ltd |
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