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
Application number
JP19197784U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP19197784U priority Critical patent/JPS61105870U/ja
Publication of JPS61105870U publication Critical patent/JPS61105870U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] パルス幅が一定でパルス間隔が電力瞬時値に反
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.
JP19197784U 1984-12-18 1984-12-18 Pending JPS61105870U (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0324414A (en) * 1989-06-21 1991-02-01 Mitsubishi Electric Corp Divided-type watthour meter

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