JPS6296529U - - Google Patents
Info
- Publication number
- JPS6296529U JPS6296529U JP18854085U JP18854085U JPS6296529U JP S6296529 U JPS6296529 U JP S6296529U JP 18854085 U JP18854085 U JP 18854085U JP 18854085 U JP18854085 U JP 18854085U JP S6296529 U JPS6296529 U JP S6296529U
- Authority
- JP
- Japan
- Prior art keywords
- liquid level
- container
- level detection
- detection device
- internal electrode
- 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
- 239000007788 liquid Substances 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 12
- 230000010355 oscillation Effects 0.000 claims description 10
- 238000005057 refrigeration Methods 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図はこの考案の一実施例による液面検出装
置の構成図、第２図は第１図に示す検出器の要部
断面拡大図、第３図は液面レベルと発振周波数の
関係を示す特性図、第４図は従来の液面検出装置
を示す構成図である。
１は冷媒貯溜器、２は蒸発器、３は圧縮機の吸
入口、４は検出器、４ａは内部電極、４ｂは絶縁
部、４ｃは接手部、５は発振回路、６は液面レベ
ル検出回路、６ａは周波数検出部、６ｂは周波数
弁別回路、６ｃは処理回路、６ｄは出力回路。
Fig. 1 is a block diagram of a liquid level detection device according to an embodiment of this invention, Fig. 2 is an enlarged cross-sectional view of the main part of the detector shown in Fig. 1, and Fig. 3 shows the relationship between liquid level and oscillation frequency. The characteristic diagram shown in FIG. 4 is a configuration diagram showing a conventional liquid level detection device. 1 is a refrigerant reservoir, 2 is an evaporator, 3 is a compressor suction port, 4 is a detector, 4a is an internal electrode, 4b is an insulation part, 4c is a joint part, 5 is an oscillation circuit, 6 is a liquid level detection 6a is a frequency detection section, 6b is a frequency discrimination circuit, 6c is a processing circuit, and 6d is an output circuit.
補正 昭６１．１０．２９
実用新案登録請求の範囲を次のように補正する
。Amendment October 29, 1981 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
(1) 液体が収容される容器を気密かつ絶縁状態
に貫通して内部に突出することにより、前記容器
の内壁面に近接して設けられる内部電極と、この
内部電極と前記容器の内壁面間における静電容量
を発振要件とする発振回路と、この発振回路の発
振周波数を判別して液面レベルを求める液面レベ
ル検出回路とによつて構成される液面検出装置。
(2) 容器は冷凍機器における冷凍サイクルの途
中に設けられる冷媒貯溜器であることを特徴とす
る実用新案登録請求の範囲第１項記載の液面検出
装置。
(3) 内部電極は、絶縁部を介して接手構造によ
り容器に固定されていることを特徴とする実用新
案登録請求の範囲第１項記載の液面検出装置。[Claims for Utility Model Registration] (1) An internal electrode that penetrates a container in which a liquid is stored in an airtight and insulated state and protrudes into the inside, and is provided close to the inner wall surface of the container; A liquid that is composed of an oscillation circuit whose oscillation requirement is the capacitance between the internal electrode and the inner wall of the container, and a liquid level detection circuit that determines the liquid level by determining the oscillation frequency of this oscillation circuit. Surface detection device. (2) The liquid level detection device according to claim 1, wherein the container is a refrigerant reservoir provided in the middle of a refrigeration cycle in a refrigeration device. (3) The liquid level detection device according to claim 1, wherein the internal electrode is fixed to the container by a joint structure via an insulating part.
Claims (1)
縁状態に貫通して内部に突出することにより、前
記容器の内壁面に近接して設けられる内部電極と
、この内部電極と前記容器の内壁面間における静
電容量を発振要件とする発振回路と、この発振回
路の発振周波数を判別して液面レベルを求める液
面レベル検出回路とによつて構成される液面検出
装置。 (2) 容器は冷凍機器における冷凍サイクルの途
中に設けられる冷媒貯溜器であることを特徴とす
る実用新案登録請求の範囲第１項記載の液面検出
装置。 (3) 内部電極は、絶縁部を介して接手構造によ
り容器の底部に固定されていることを特徴とする
実用新案登録請求の範囲第１項記載の液面検出装
置。[Claims for Utility Model Registration] (1) An internal electrode that is provided close to the inner wall surface of the container by penetrating the bottom of the container in which liquid is stored in an airtight and insulated state and protruding inside; It is composed of an oscillation circuit whose oscillation requirement is the capacitance between this internal electrode and the inner wall surface of the container, and a liquid level detection circuit which determines the liquid level by determining the oscillation frequency of this oscillation circuit. Liquid level detection device. (2) The liquid level detection device according to claim 1, wherein the container is a refrigerant reservoir provided in the middle of a refrigeration cycle in a refrigeration device. (3) The liquid level detection device according to claim 1, wherein the internal electrode is fixed to the bottom of the container by a joint structure via an insulating part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18854085U JPS6296529U (en) | 1985-12-05 | 1985-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18854085U JPS6296529U (en) | 1985-12-05 | 1985-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6296529U true JPS6296529U (en) | 1987-06-19 |
Family
ID=31139996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18854085U Pending JPS6296529U (en) | 1985-12-05 | 1985-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6296529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002103265A1 (en) * | 2001-05-22 | 2002-12-27 | Daikin Industries, Ltd. | Refrigerator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5078355A (en) * | 1973-11-09 | 1975-06-26 | ||
| JPS5025557B1 (en) * | 1970-09-07 | 1975-08-25 |
-
1985
- 1985-12-05 JP JP18854085U patent/JPS6296529U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5025557B1 (en) * | 1970-09-07 | 1975-08-25 | ||
| JPS5078355A (en) * | 1973-11-09 | 1975-06-26 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002103265A1 (en) * | 2001-05-22 | 2002-12-27 | Daikin Industries, Ltd. | Refrigerator |
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