JPS6360925U - - Google Patents
Info
- Publication number
- JPS6360925U JPS6360925U JP15544686U JP15544686U JPS6360925U JP S6360925 U JPS6360925 U JP S6360925U JP 15544686 U JP15544686 U JP 15544686U JP 15544686 U JP15544686 U JP 15544686U JP S6360925 U JPS6360925 U JP S6360925U
- Authority
- JP
- Japan
- Prior art keywords
- liquid level
- signal
- level tube
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Description
第１図は本考案の一実施例による液位検知装置
を示す液位管の軸方向に垂直な断面図、第２図は
本考案の液位検知装置を液体容器に取付けた場合
の例を示す概略断面図、第３図は従来の液位検知
装置の構成を示す概略断面図である。
６，１３……液位管、７……発光素子、８，１
４，１５……受光素子、９……ホルダー、１０…
…プリント基板、１１……リード線、１２……液
体容器、１６……液体。
Fig. 1 is a sectional view perpendicular to the axial direction of a liquid level tube showing a liquid level detection device according to an embodiment of the present invention, and Fig. 2 shows an example of the liquid level detection device of the present invention installed in a liquid container. FIG. 3 is a schematic cross-sectional view showing the configuration of a conventional liquid level detection device. 6,13...Liquid level tube, 7...Light emitting element, 8,1
4, 15... Light receiving element, 9... Holder, 10...
...Printed circuit board, 11...Lead wire, 12...Liquid container, 16...Liquid.
Claims (1)
の発光素子と受光素子を、前記発光素子の光軸が
前記液位管の外壁からその液位管の半径１／１０
〜１／２内側でその液位管の半径と直角に交わり
、かつ前記受光素子と発光素子の中心を結ぶ直線
が前記発光素子の光軸と同一かまたはそれより前
記液位管の外側に位置するようにその液位管をは
さんで取付けられてなる液位検知装置。 (2) 液位管の中の液体の有無によつて出力され
るＯＮ信号またはＯＦＦ信号が０．７秒〜１．５
秒間連続して出力されたときのみ正常な信号とし
て処理するように構成された実用新案登録請求の
範囲第１項記載の液位検知装置。[Claims for Utility Model Registration] (1) At least a pair of light emitting element and light receiving element near the outer wall of a transparent liquid level tube, the optical axis of the light emitting element being within a radius of the liquid level tube from the outer wall of the liquid level tube. 1/10
~1/2 A straight line that intersects the radius of the liquid level tube at a right angle on the inside and connects the centers of the light receiving element and the light emitting element is located on the same side as the optical axis of the light emitting element or on the outer side of the liquid level tube. A liquid level detection device that is installed across the liquid level pipe. (2) The ON signal or OFF signal output depending on the presence or absence of liquid in the liquid level tube is 0.7 seconds to 1.5 seconds.
The liquid level detection device according to claim 1, which is configured to process the signal as a normal signal only when the signal is continuously output for seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986155446U JPH0642180Y2 (en) | 1986-10-09 | 1986-10-09 | Liquid level detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986155446U JPH0642180Y2 (en) | 1986-10-09 | 1986-10-09 | Liquid level detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6360925U true JPS6360925U (en) | 1988-04-22 |
| JPH0642180Y2 JPH0642180Y2 (en) | 1994-11-02 |
Family
ID=31076160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986155446U Expired - Lifetime JPH0642180Y2 (en) | 1986-10-09 | 1986-10-09 | Liquid level detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0642180Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04301769A (en) * | 1991-03-29 | 1992-10-26 | Nippon Koden Corp | Liquid sensor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5559646B2 (en) * | 2010-09-17 | 2014-07-23 | 株式会社ウエルコ | Liquid sensor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5551777U (en) * | 1978-10-02 | 1980-04-05 |
-
1986
- 1986-10-09 JP JP1986155446U patent/JPH0642180Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5551777U (en) * | 1978-10-02 | 1980-04-05 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04301769A (en) * | 1991-03-29 | 1992-10-26 | Nippon Koden Corp | Liquid sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0642180Y2 (en) | 1994-11-02 |
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