JPS61170494U - - Google Patents
Info
- Publication number
- JPS61170494U JPS61170494U JP5571485U JP5571485U JPS61170494U JP S61170494 U JPS61170494 U JP S61170494U JP 5571485 U JP5571485 U JP 5571485U JP 5571485 U JP5571485 U JP 5571485U JP S61170494 U JPS61170494 U JP S61170494U
- Authority
- JP
- Japan
- Prior art keywords
- light
- liquid level
- receiving element
- guide member
- level detection
- 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 9
- 238000001514 detection method Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Description
第１図は本考案実施例の液位検知装置を具えた
洗濯機の略式縦断面図、第２図は同じく液位検知
装置の電気回路図である。
１Ａ，１Ｂ，１Ｃ：導光部材、１ａ，１ｂ，１
ｃ：切欠部、２：発光素子、３：受光素子、４：
検知回路、Ｗ１：下液位、Ｗ２：中液位、Ｗ３：
上液位。
FIG. 1 is a schematic vertical sectional view of a washing machine equipped with a liquid level detection device according to an embodiment of the present invention, and FIG. 2 is an electric circuit diagram of the same liquid level detection device. 1A, 1B, 1C: Light guide member, 1a, 1b, 1
c: notch, 2: light emitting element, 3: light receiving element, 4:
Detection circuit, W1: Lower liquid level, W2: Middle liquid level, W3:
Upper liquid level.
Claims (1)
された発光素子と、前記導光部材の他端側に配さ
れた受光素子と、該受光素子の受光量の増減を検
知する検知回路とを具え、前記略Ｕ字形の導光部
材に液位検知用の下端切欠部が形成され、前記発
光素子からの光が導光部材の内部と下端切欠部を
通過して受光素子に達する様にされかつ導光部材
の下端切欠部が液没したときの光量変化を検知回
路で検出するよう構成されたことを特徴とする液
位検知装置。 A substantially U-shaped light guiding member, a light emitting element disposed at one end of the light guiding member, a light receiving element disposed at the other end of the light guiding member, and detecting an increase or decrease in the amount of light received by the light receiving element. a detection circuit, a lower end notch for liquid level detection is formed in the substantially U-shaped light guide member, and light from the light emitting element passes through the inside of the light guide member and the lower end notch and reaches the light receiving element. 1. A liquid level detection device characterized in that the liquid level detection device is configured such that a detection circuit detects a change in the amount of light when the lower end notch of the light guide member is submerged in liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985055714U JPH0323187Y2 (en) | 1985-04-15 | 1985-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985055714U JPH0323187Y2 (en) | 1985-04-15 | 1985-04-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61170494U true JPS61170494U (en) | 1986-10-22 |
| JPH0323187Y2 JPH0323187Y2 (en) | 1991-05-21 |
Family
ID=30578647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985055714U Expired JPH0323187Y2 (en) | 1985-04-15 | 1985-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0323187Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57103084U (en) * | 1980-12-15 | 1982-06-24 | ||
| JPS5898092U (en) * | 1981-12-22 | 1983-07-04 | 株式会社東芝 | washing machine control device |
-
1985
- 1985-04-15 JP JP1985055714U patent/JPH0323187Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57103084U (en) * | 1980-12-15 | 1982-06-24 | ||
| JPS5898092U (en) * | 1981-12-22 | 1983-07-04 | 株式会社東芝 | washing machine control device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0323187Y2 (en) | 1991-05-21 |
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