CN105374624B - 一种设有外置气体密度水平指示器的气体密度继电器 - Google Patents
一种设有外置气体密度水平指示器的气体密度继电器 Download PDFInfo
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- CN105374624B CN105374624B CN201510835071.8A CN201510835071A CN105374624B CN 105374624 B CN105374624 B CN 105374624B CN 201510835071 A CN201510835071 A CN 201510835071A CN 105374624 B CN105374624 B CN 105374624B
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- gas density
- relay
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- gas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/26—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/36—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by curled flexible tube, e.g. Bourdon tube
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
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CN201510835071.8A CN105374624B (zh) | 2015-11-26 | 2015-11-26 | 一种设有外置气体密度水平指示器的气体密度继电器 |
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CN201510835071.8A CN105374624B (zh) | 2015-11-26 | 2015-11-26 | 一种设有外置气体密度水平指示器的气体密度继电器 |
Publications (2)
Publication Number | Publication Date |
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CN105374624A CN105374624A (zh) | 2016-03-02 |
CN105374624B true CN105374624B (zh) | 2017-08-08 |
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CN201510835071.8A Active CN105374624B (zh) | 2015-11-26 | 2015-11-26 | 一种设有外置气体密度水平指示器的气体密度继电器 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109243914B (zh) * | 2018-09-28 | 2024-03-29 | 上海乐研电气有限公司 | 一种提高气体密度继电器精度的方法及气体密度继电器 |
CN110491723B (zh) * | 2019-09-04 | 2024-07-23 | 上海乐研电气有限公司 | 一种具有接点状态监测的气体密度继电器及监测系统 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2926260A1 (de) * | 1979-06-29 | 1981-01-08 | Bbc Brown Boveri & Cie | Vorrichtung zur ueberwachung der dichte eines in einer kapselung eingeschlossenen gases |
CN2870137Y (zh) * | 2005-10-25 | 2007-02-14 | 苏丽芳 | 一种对气体密度继电器校验的接头座 |
CN201708085U (zh) * | 2010-06-09 | 2011-01-12 | 朗松珂利(上海)仪器仪表有限公司 | 一种可供远程监测的sf6气体密度继电器 |
CN202076182U (zh) * | 2011-05-26 | 2011-12-14 | 西安创联宏晟电子有限公司 | 一种气体监控装置 |
CN204230155U (zh) * | 2014-10-21 | 2015-03-25 | 上海乐研电气科技有限公司 | 一种不用拆卸就能直接校验的气体密度继电器 |
CN204270973U (zh) * | 2014-10-31 | 2015-04-15 | 国家电网公司 | 一种无线远传式六氟化硫气体密度继电器 |
CN205177705U (zh) * | 2015-11-26 | 2016-04-20 | 上海乐研电气科技有限公司 | 一种设有外置气体密度水平指示器的气体密度继电器 |
-
2015
- 2015-11-26 CN CN201510835071.8A patent/CN105374624B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2926260A1 (de) * | 1979-06-29 | 1981-01-08 | Bbc Brown Boveri & Cie | Vorrichtung zur ueberwachung der dichte eines in einer kapselung eingeschlossenen gases |
CN2870137Y (zh) * | 2005-10-25 | 2007-02-14 | 苏丽芳 | 一种对气体密度继电器校验的接头座 |
CN201708085U (zh) * | 2010-06-09 | 2011-01-12 | 朗松珂利(上海)仪器仪表有限公司 | 一种可供远程监测的sf6气体密度继电器 |
CN202076182U (zh) * | 2011-05-26 | 2011-12-14 | 西安创联宏晟电子有限公司 | 一种气体监控装置 |
CN204230155U (zh) * | 2014-10-21 | 2015-03-25 | 上海乐研电气科技有限公司 | 一种不用拆卸就能直接校验的气体密度继电器 |
CN204270973U (zh) * | 2014-10-31 | 2015-04-15 | 国家电网公司 | 一种无线远传式六氟化硫气体密度继电器 |
CN205177705U (zh) * | 2015-11-26 | 2016-04-20 | 上海乐研电气科技有限公司 | 一种设有外置气体密度水平指示器的气体密度继电器 |
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CN105374624A (zh) | 2016-03-02 |
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TA01 | Transfer of patent application right |
Effective date of registration: 20170117 Address after: 201802 Shanghai City, Jiading District Nanxiang Town, North Road No. 21, Lane 1755 mares tail four layer B Applicant after: Shanghai joy Electric Co., Ltd. Address before: Qingpu District of Shanghai city Shen brick road building 201802 new No. 221 Building 1 B zone 1 room 123 Applicant before: Shanghai Roye Electronic Science & Technology Co., Ltd. |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Jin Haiyong Inventor after: Hao Caixia Inventor after: Wang Enlin Inventor after: Lu Ziqiang Inventor after: Li Yuhai Inventor before: Jin Haiyong |
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CB03 | Change of inventor or designer information |