JP5940798B2 - ラッチングリレー制御回路及び電力量計 - Google Patents
ラッチングリレー制御回路及び電力量計 Download PDFInfo
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- JP5940798B2 JP5940798B2 JP2011253818A JP2011253818A JP5940798B2 JP 5940798 B2 JP5940798 B2 JP 5940798B2 JP 2011253818 A JP2011253818 A JP 2011253818A JP 2011253818 A JP2011253818 A JP 2011253818A JP 5940798 B2 JP5940798 B2 JP 5940798B2
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- Japan
- Prior art keywords
- latching relay
- voltage
- control circuit
- switch
- relay control
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/223—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil adapted to be supplied by AC
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/226—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil for bistable relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/32—Energising current supplied by semiconductor device
- H01H47/325—Energising current supplied by semiconductor device by switching regulator
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
- H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle
Description
リレー制御回路35は、ラッチングリレー34を駆動させることにより入力端子30と出力端子31とを接続して電力供給設備1からの電力を負荷4に供給する。不揮発性メモリ38は、電力演算部36で演算された使用量データを記憶する。通信コネクタ39は、電力量計3と外部との通信を行なうためのコネクタである。
2 電力線
3 電力量計
4 負荷
30 入力端子
31 出力端子
32 電流検出部
33 電圧検出部
34 ラッチングリレー
35 リレー制御回路
36 中央演算部
37 表示部
38 不揮発性メモリ
39 通信コネクタ
341,341a 電圧検出部
342 開閉信号出力部
343 スイッチ制御部
344 タイマ
344a カウンタ
401 フィルタ
402 A/D
403 検出部
405 補正部
Vs 交流電源
L1,L2 ラッチングリレー駆動コイル
R1,R2 抵抗
D1〜D6 ダイオード
SW,SW1,SW2 スイッチ
SWa トライアック
Claims (6)
- 交流電源とラッチングリレー駆動コイルとが接続された直列回路の両端に接続されたスイッチと、
前記交流電源の交流電圧を検出する電圧検出部と、
前記ラッチングリレー駆動コイルに開信号又は閉信号を出力する開閉信号出力部と、
前記電圧検出部で検出された交流電圧と前記開閉信号出力部から前記開信号が入力されたときに前記交流電圧と比較される第1電圧閾値と前記閉信号が入力されたときに前記交流電圧と比較される第2電圧閾値とに基づき前記スイッチをオンさせるスイッチ制御部と、
を備えることを特徴とするラッチングリレー制御回路。 - 前記電圧検出部で検出された電圧閾値に基づき前記ラッチングリレー駆動コイルへの複数回の電流の印加に必要なだけの時間を設定するタイマを備え、
前記スイッチ制御部は、前記タイマで設定された時間だけ、前記開信号もしくは閉信号を出力することを特徴とする請求項1記載のラッチングリレー制御回路。 - 前記スイッチは、トライアックであることを特徴とする請求項1乃至2のいずれか1項記載のラッチングリレー制御回路。
- 前記電圧検出部は、検出された電圧値がプラスの場合にカウンタ値をインクリメントし、電圧値がマイナスの場合にカウンタ値をデクリメントし、カウンタ値が第1設定値になった場合にはプラスの状態、カウンタ値が第2設定値になった場合にはマイナスの状態にし、電圧のゼロクロス検出に対して段階性を持たせるフィルタを備えることを特徴とする請求項1乃至3のいずれか1項記載のラッチングリレー制御回路。
- 前記タイマは、前記交流電源の電源電圧の条件と前記ラッチングリレー駆動コイルの個数との少なくとも一方に応じて前記設定された時間を補正する補正部を備えることを特徴とする請求項2記載のラッチングリレー制御回路。
- 請求項1乃至5のいずれか1項記載のラッチングリレー制御回路を備えることを特徴とする電力量計。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011253818A JP5940798B2 (ja) | 2011-11-21 | 2011-11-21 | ラッチングリレー制御回路及び電力量計 |
PCT/JP2012/070033 WO2013077032A1 (ja) | 2011-11-21 | 2012-08-07 | ラッチングリレー制御回路及び電力量計 |
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Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011253818A JP5940798B2 (ja) | 2011-11-21 | 2011-11-21 | ラッチングリレー制御回路及び電力量計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013109943A JP2013109943A (ja) | 2013-06-06 |
JP5940798B2 true JP5940798B2 (ja) | 2016-06-29 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011253818A Active JP5940798B2 (ja) | 2011-11-21 | 2011-11-21 | ラッチングリレー制御回路及び電力量計 |
Country Status (2)
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JP (1) | JP5940798B2 (ja) |
WO (1) | WO2013077032A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101904875B1 (ko) * | 2014-04-30 | 2018-10-08 | 엘에스산전 주식회사 | 내장 래치 릴레이 접점 상태 감시가 가능한 전력량계 |
CN104090140A (zh) * | 2014-06-30 | 2014-10-08 | 惠州中城电子科技有限公司 | 一种用于单相表的双继电器控制电路 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02223341A (ja) * | 1989-02-23 | 1990-09-05 | Nec Corp | 開閉回路 |
JP3826427B2 (ja) * | 1996-04-23 | 2006-09-27 | 松下電工株式会社 | 負荷制御装置 |
JP2003043076A (ja) * | 2001-08-03 | 2003-02-13 | Mitsubishi Electric Corp | ラッチングリレー内蔵電気機器及び電力量計 |
-
2011
- 2011-11-21 JP JP2011253818A patent/JP5940798B2/ja active Active
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2012
- 2012-08-07 WO PCT/JP2012/070033 patent/WO2013077032A1/ja active Application Filing
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JP2013109943A (ja) | 2013-06-06 |
WO2013077032A1 (ja) | 2013-05-30 |
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