JP5415180B2 - 電子式電力量計 - Google Patents
電子式電力量計 Download PDFInfo
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- JP5415180B2 JP5415180B2 JP2009190023A JP2009190023A JP5415180B2 JP 5415180 B2 JP5415180 B2 JP 5415180B2 JP 2009190023 A JP2009190023 A JP 2009190023A JP 2009190023 A JP2009190023 A JP 2009190023A JP 5415180 B2 JP5415180 B2 JP 5415180B2
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- 239000002184 metal Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Description
12 電力量計ユニット
13 直結ユニット
14 筐体
15S,16S 電源側端子部
15L,16L 負荷側端子部
17 端子ブロック
26 接地金具
27 空洞部
28 サージ防護手段(放電ギャップ)
30 サージ防護手段(サージ防護素子)
Claims (2)
- 電力量計ユニットを含む複数のユニットが筐体の上部に組み付けられると共に、電線が接続される電源側端子部および負荷側端子部を有する端子ブロックが前記筐体の下部に取り付けられた電子式電力量計において、前記電源側端子部から侵入するサージを吸収するサージ防護手段を前記端子ブロックに設け、前記サージ防護手段は、電源側端子部と負荷側端子部との間に埋設されて前記電源側端子部に空洞部を介して並設された接地金具と前記電源側端子部との間に形成された放電ギャップとし、前記接地金具の電源側端子部側の側面に、電源側端子部に向けて突出する突起を設けたことを特徴とする電子式電力量計。
- 前記放電ギャップは、前記電力量計ユニットを含む複数のユニットに設けられたサージ防護素子よりも低い放電開始電圧に設定されている請求項1に記載の電子式電力量計。
Priority Applications (1)
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JP2009190023A JP5415180B2 (ja) | 2009-08-19 | 2009-08-19 | 電子式電力量計 |
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JP2009190023A JP5415180B2 (ja) | 2009-08-19 | 2009-08-19 | 電子式電力量計 |
Publications (2)
Publication Number | Publication Date |
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JP2011043347A JP2011043347A (ja) | 2011-03-03 |
JP5415180B2 true JP5415180B2 (ja) | 2014-02-12 |
Family
ID=43830893
Family Applications (1)
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JP2009190023A Active JP5415180B2 (ja) | 2009-08-19 | 2009-08-19 | 電子式電力量計 |
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JP (1) | JP5415180B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6990312B2 (ja) | 2017-12-29 | 2022-02-03 | コーロン インダストリーズ インク | 燃料電池用膜加湿器 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6014211Y2 (ja) * | 1980-07-18 | 1985-05-07 | 大崎電気工業株式会社 | 電力量計 |
JPS5732856U (ja) * | 1980-08-01 | 1982-02-20 | ||
JPS57105973U (ja) * | 1980-12-22 | 1982-06-30 | ||
JP2890462B2 (ja) * | 1989-05-10 | 1999-05-17 | 松下電器産業株式会社 | 耐雷端子台 |
JP2003203689A (ja) * | 2002-01-07 | 2003-07-18 | Matsushita Electric Ind Co Ltd | 端子台及びそれを搭載した端末網制御装置 |
JP2006226842A (ja) * | 2005-02-17 | 2006-08-31 | Toshiba Corp | 電子式電力量計 |
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2009
- 2009-08-19 JP JP2009190023A patent/JP5415180B2/ja active Active
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JP2011043347A (ja) | 2011-03-03 |
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