JPS61105870U - - Google Patents
Info
- Publication number
- JPS61105870U JPS61105870U JP19197784U JP19197784U JPS61105870U JP S61105870 U JPS61105870 U JP S61105870U JP 19197784 U JP19197784 U JP 19197784U JP 19197784 U JP19197784 U JP 19197784U JP S61105870 U JPS61105870 U JP S61105870U
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- abnormality
- determining
- reference value
- pulse width
- 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
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Protection Of Static Devices (AREA)
Description
第１図は本考案の第１実施例の全体構成を示す
ブロツク図、第２図は同上実施例の要部の詳細な
構成を示すブロツク図、第３図は第２実施例の全
体構成を示すブロツク図である。
１０……電力変換器、１２……フオトカプラ、
１４……監視回路、１６……カウンタ、１８，２
０……設定器、４０……基準値算定回路、ＷＨＰ
……パルス列。
Figure 1 is a block diagram showing the overall configuration of the first embodiment of the present invention, Figure 2 is a block diagram showing the detailed configuration of the main parts of the same embodiment, and Figure 3 is the overall configuration of the second embodiment. FIG. 10...Power converter, 12...Photocoupler,
14...Monitoring circuit, 16...Counter, 18,2
0...Setter, 40...Reference value calculation circuit, WHP
...Pulse train.
Claims (1)
比例的に変化するパルス列を発生し、そのパルス
列を計数する積算電力計において、上記パルス列
を入力としてそのパルス幅およびパルス間隔をそ
れぞれ測定する手段と、測定したパルス幅が基準
値以上になつたとき異常と判定する比較手段と、
測定したパルス間隔が基準値以上になつたとき異
常と判定する比較手段とを備えたパルス計数形積
算電力計の監視回路。 In an integrating wattmeter that generates a pulse train whose pulse width is constant and whose pulse interval changes inversely to the instantaneous power value and counts the pulse train, means for inputting the pulse train and measuring the pulse width and pulse interval, respectively; a comparison means for determining an abnormality when the measured pulse width exceeds a reference value;
A monitoring circuit for a pulse counting type integrating wattmeter, comprising comparison means for determining an abnormality when a measured pulse interval exceeds a reference value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19197784U JPS61105870U (en) | 1984-12-18 | 1984-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19197784U JPS61105870U (en) | 1984-12-18 | 1984-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61105870U true JPS61105870U (en) | 1986-07-05 |
Family
ID=30749409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19197784U Pending JPS61105870U (en) | 1984-12-18 | 1984-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61105870U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0324414A (en) * | 1989-06-21 | 1991-02-01 | Mitsubishi Electric Corp | Divided-type watthour meter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5277784A (en) * | 1975-12-24 | 1977-06-30 | Toshiba Corp | Pulse width identification circuit |
| JPS5648833A (en) * | 1979-09-25 | 1981-05-02 | Shiyouzou Kumada | Fixing instrument for attaching device in oyster cultivation |
| JPS5763461A (en) * | 1980-10-02 | 1982-04-16 | Nippon Denki Keiki Kenteishiyo | Device for testing watermeter |
| JPS5821870B2 (en) * | 1975-05-19 | 1983-05-04 | 三洋電機株式会社 | VTR Henshiyuusouchi |
| JPS5844644B2 (en) * | 1975-01-16 | 1983-10-04 | ライオン株式会社 | Neri toothpaste |
-
1984
- 1984-12-18 JP JP19197784U patent/JPS61105870U/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5844644B2 (en) * | 1975-01-16 | 1983-10-04 | ライオン株式会社 | Neri toothpaste |
| JPS5821870B2 (en) * | 1975-05-19 | 1983-05-04 | 三洋電機株式会社 | VTR Henshiyuusouchi |
| JPS5277784A (en) * | 1975-12-24 | 1977-06-30 | Toshiba Corp | Pulse width identification circuit |
| JPS5648833A (en) * | 1979-09-25 | 1981-05-02 | Shiyouzou Kumada | Fixing instrument for attaching device in oyster cultivation |
| JPS5763461A (en) * | 1980-10-02 | 1982-04-16 | Nippon Denki Keiki Kenteishiyo | Device for testing watermeter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0324414A (en) * | 1989-06-21 | 1991-02-01 | Mitsubishi Electric Corp | Divided-type watthour meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61105870U (en) | ||
| JPS6150317U (en) | ||
| JPH01135179U (en) | ||
| JPS6210680U (en) | ||
| JPS61203367U (en) | ||
| JPH0338931U (en) | ||
| JPS5932907U (en) | Non-contact thickness gauge | |
| JPS61102976U (en) | ||
| JPS63131542U (en) | ||
| JPS6174296U (en) | ||
| JPH0372372U (en) | ||
| JPS6059168U (en) | Integrating power meter | |
| JPS61105874U (en) | ||
| JPH0223731U (en) | ||
| JPS5836330U (en) | Laser output meter | |
| JPH01150431U (en) | ||
| JPS5897560U (en) | Turbine speed detection circuit | |
| JPS5847703U (en) | thickness gauge | |
| JPH0317535U (en) | ||
| JPS61102967U (en) | ||
| JPS6170775U (en) | ||
| JPH0276678U (en) | ||
| JPS62150606U (en) | ||
| JPS6174835U (en) | ||
| JPH01102774U (en) |