JP4860726B2 - 電気計器 - Google Patents
電気計器 Download PDFInfo
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- JP4860726B2 JP4860726B2 JP2009156723A JP2009156723A JP4860726B2 JP 4860726 B2 JP4860726 B2 JP 4860726B2 JP 2009156723 A JP2009156723 A JP 2009156723A JP 2009156723 A JP2009156723 A JP 2009156723A JP 4860726 B2 JP4860726 B2 JP 4860726B2
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- temperature
- temperature sensor
- housing
- terminal portion
- measured
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- 230000020169 heat generation Effects 0.000 claims description 29
- 230000005611 electricity Effects 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 description 10
- 238000001514 detection method Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
13 端子部
14 電線接続部位(入力端子)
15 電線接続部位(出力端子)
16,17 電線(配電線)
21 温度センサ(第一の温度センサ)
22 温度センサ(第二の温度センサ)
Claims (3)
- 電線が接続された端子部を有する筐体を備え、前記電線からの通電により電気量を測定する電気計器であって、前記端子部の電線接続部位での発熱温度を測定する第一の温度センサを前記筐体内で発熱温度が測定可能な箇所に配設すると共に、前記筐体の周囲温度を測定する第二の温度センサを前記周囲温度が測定可能な箇所に配設し、前記第一の温度センサにより測定された発熱温度と前記第二の温度センサにより測定された周囲温度との差を算出し、前記発熱温度と周囲温度との差が予め設定された上限値を超えているか否かを判定する演算部を備えたことを特徴とする電気計器。
- 前記端子部は、複数の入出力端子が配設された構造を備え、前記第一の温度センサは、前記筐体の前記入出力端子が接する部位に埋設されている請求項1に記載の電気計器。
- 前記筐体の内部に収容された配線基板の前記端子部と対向する部位に前記第一の温度センサを実装した請求項1に記載の電気計器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009156723A JP4860726B2 (ja) | 2009-07-01 | 2009-07-01 | 電気計器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009156723A JP4860726B2 (ja) | 2009-07-01 | 2009-07-01 | 電気計器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011013067A JP2011013067A (ja) | 2011-01-20 |
JP4860726B2 true JP4860726B2 (ja) | 2012-01-25 |
Family
ID=43592127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009156723A Active JP4860726B2 (ja) | 2009-07-01 | 2009-07-01 | 電気計器 |
Country Status (1)
Country | Link |
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JP (1) | JP4860726B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108107246A (zh) * | 2017-12-21 | 2018-06-01 | 重庆亨优机电设备有限公司 | 一种电表插拔件 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9052351B2 (en) * | 2012-09-19 | 2015-06-09 | Sensus Usa Inc. | Method and apparatus for preventing electricity meter failure |
KR101341107B1 (ko) * | 2013-06-03 | 2014-01-03 | 옴니시스템 주식회사 | 능동형 안전진단 전력량계 |
CN103645361A (zh) * | 2013-11-28 | 2014-03-19 | 国网河南省电力公司鹤壁供电公司 | 多功能电表箱 |
CN105203816A (zh) * | 2015-09-23 | 2015-12-30 | 广西资优电气设备有限公司 | 一种电表箱 |
CN108919170A (zh) * | 2018-06-30 | 2018-11-30 | 宁波三星医疗电气股份有限公司 | 一种基于电能表温度监控的电力故障诊断方法及系统 |
JP7281326B2 (ja) * | 2019-04-03 | 2023-05-25 | 大崎電気工業株式会社 | 電力量計 |
CN110207857B (zh) * | 2019-07-04 | 2024-07-19 | 南京飞腾电子科技有限公司 | 一种电能表接线端子温度检测的校验装置及其校验方法 |
KR102124202B1 (ko) * | 2020-05-20 | 2020-06-23 | 주식회사 비파워 | 보안 전자식 전력량계 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5658568A (en) * | 1979-10-20 | 1981-05-21 | Nippon Steel Corp | Manufacture of painted decorative steel sheet |
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2009
- 2009-07-01 JP JP2009156723A patent/JP4860726B2/ja active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108107246A (zh) * | 2017-12-21 | 2018-06-01 | 重庆亨优机电设备有限公司 | 一种电表插拔件 |
Also Published As
Publication number | Publication date |
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JP2011013067A (ja) | 2011-01-20 |
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