JPS60125553U - Gas piping leak detection device - Google Patents
Gas piping leak detection deviceInfo
- Publication number
- JPS60125553U JPS60125553U JP1168584U JP1168584U JPS60125553U JP S60125553 U JPS60125553 U JP S60125553U JP 1168584 U JP1168584 U JP 1168584U JP 1168584 U JP1168584 U JP 1168584U JP S60125553 U JPS60125553 U JP S60125553U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- leak detection
- gas piping
- thermistors
- piping leak
- 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
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は本考案に係る実施例の概略図である。
第2図は概略配線図。第3図は他の実施例を示す概略図
である。
1a・・・・・・基準用サーミスタ、1b・・曲測定用
サーミスタ、2・・・・・・配管、3・・・・・・装置
、4・・・・・・比較回路。FIG. 1 is a schematic diagram of an embodiment of the present invention. Figure 2 is a schematic wiring diagram. FIG. 3 is a schematic diagram showing another embodiment. 1a...Reference thermistor, 1b...Thermistor for curve measurement, 2...Piping, 3...Device, 4...Comparison circuit.
Claims (1)
と、これらの回路からの出力を比較演算する比較演算回
路とを有し、検出部のサーミスタの少くとも一方を配管
内に設けて、配管内の気流による2つのサーミスタの温
度差の時間的変化を測定し、漏れを検出する配管の漏れ
検出装置。It has a detection section in which two thermistors are connected in series, a reference circuit, and a comparison calculation circuit that compares and calculates the outputs from these circuits, and at least one of the thermistors in the detection section is installed inside the piping. A pipe leak detection device that detects leaks by measuring temporal changes in the temperature difference between two thermistors due to airflow inside the pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1168584U JPS60125553U (en) | 1984-02-01 | 1984-02-01 | Gas piping leak detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1168584U JPS60125553U (en) | 1984-02-01 | 1984-02-01 | Gas piping leak detection device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60125553U true JPS60125553U (en) | 1985-08-23 |
Family
ID=30494033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1168584U Pending JPS60125553U (en) | 1984-02-01 | 1984-02-01 | Gas piping leak detection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60125553U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04301732A (en) * | 1991-03-29 | 1992-10-26 | Tatsuta Electric Wire & Cable Co Ltd | Leakage detection device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4933672A (en) * | 1972-07-25 | 1974-03-28 | ||
JPS5086366A (en) * | 1973-11-29 | 1975-07-11 | ||
JPS50123462A (en) * | 1974-03-15 | 1975-09-27 |
-
1984
- 1984-02-01 JP JP1168584U patent/JPS60125553U/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4933672A (en) * | 1972-07-25 | 1974-03-28 | ||
JPS5086366A (en) * | 1973-11-29 | 1975-07-11 | ||
JPS50123462A (en) * | 1974-03-15 | 1975-09-27 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04301732A (en) * | 1991-03-29 | 1992-10-26 | Tatsuta Electric Wire & Cable Co Ltd | Leakage detection device |
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