CN204230155U - 一种不用拆卸就能直接校验的气体密度继电器 - Google Patents
一种不用拆卸就能直接校验的气体密度继电器 Download PDFInfo
- Publication number
- CN204230155U CN204230155U CN201420609700.6U CN201420609700U CN204230155U CN 204230155 U CN204230155 U CN 204230155U CN 201420609700 U CN201420609700 U CN 201420609700U CN 204230155 U CN204230155 U CN 204230155U
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- self
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- 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.)
- Withdrawn - After Issue
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/56—Gas reservoirs
- H01H33/563—Gas reservoirs comprising means for monitoring the density of the insulating gas
-
- 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
- H01H35/2671—Means to detect leaks in the pressure sensitive element
-
- 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
- H01H35/28—Compensation for variation of ambient pressure or temperature
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
Description
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420609700.6U CN204230155U (zh) | 2014-10-21 | 2014-10-21 | 一种不用拆卸就能直接校验的气体密度继电器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420609700.6U CN204230155U (zh) | 2014-10-21 | 2014-10-21 | 一种不用拆卸就能直接校验的气体密度继电器 |
Publications (1)
Publication Number | Publication Date |
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CN204230155U true CN204230155U (zh) | 2015-03-25 |
Family
ID=52928221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420609700.6U Withdrawn - After Issue CN204230155U (zh) | 2014-10-21 | 2014-10-21 | 一种不用拆卸就能直接校验的气体密度继电器 |
Country Status (1)
Country | Link |
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CN (1) | CN204230155U (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104299845A (zh) * | 2014-10-21 | 2015-01-21 | 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 |
CN105374624A (zh) * | 2015-11-26 | 2016-03-02 | 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 |
CN108461348A (zh) * | 2018-03-23 | 2018-08-28 | 广东电网有限责任公司汕头供电局 | 一种多用途六氟化硫气体密度继电器装置 |
US10746311B2 (en) | 2016-07-20 | 2020-08-18 | Trafag Ag | Valve device for switchgears or similar, as well as uses thereof |
CN112697341A (zh) * | 2020-12-07 | 2021-04-23 | 上海平高天灵开关有限公司 | 一种可充气式密度继电器表 |
-
2014
- 2014-10-21 CN CN201420609700.6U patent/CN204230155U/zh not_active Withdrawn - After Issue
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104299845A (zh) * | 2014-10-21 | 2015-01-21 | 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 |
CN105374624A (zh) * | 2015-11-26 | 2016-03-02 | 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 |
CN105374624B (zh) * | 2015-11-26 | 2017-08-08 | 上海乐研电气有限公司 | 一种设有外置气体密度水平指示器的气体密度继电器 |
US10746311B2 (en) | 2016-07-20 | 2020-08-18 | Trafag Ag | Valve device for switchgears or similar, as well as uses thereof |
EP3488129B1 (de) * | 2016-07-20 | 2021-11-03 | Trafag AG | Ventilvorrichtung für schaltanlagen oder dergleichen sowie verwendungen derselben |
CN108461348A (zh) * | 2018-03-23 | 2018-08-28 | 广东电网有限责任公司汕头供电局 | 一种多用途六氟化硫气体密度继电器装置 |
CN112697341A (zh) * | 2020-12-07 | 2021-04-23 | 上海平高天灵开关有限公司 | 一种可充气式密度继电器表 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170116 Address after: 201802 Shanghai City, Jiading District Nanxiang Town, North Road No. 21, Lane 1755 mares tail four layer B Patentee 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 Patentee before: Shanghai Roye Electronic Science & Technology Co., Ltd. |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20150325 Effective date of abandoning: 20180206 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20150325 Effective date of abandoning: 20180206 |
|
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |