CN109904033B - 一种气体密度继电器超压信号实现保持的方法 - Google Patents
一种气体密度继电器超压信号实现保持的方法 Download PDFInfo
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- CN109904033B CN109904033B CN201910258612.3A CN201910258612A CN109904033B CN 109904033 B CN109904033 B CN 109904033B CN 201910258612 A CN201910258612 A CN 201910258612A CN 109904033 B CN109904033 B CN 109904033B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 201
- 230000009471 action Effects 0.000 claims abstract description 134
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000010891 electric arc Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 62
- 229910018503 SF6 Inorganic materials 0.000 description 13
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 13
- 229960000909 sulfur hexafluoride Drugs 0.000 description 13
- 230000004913 activation Effects 0.000 description 9
- 238000007789 sealing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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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
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- 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
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Thermally Actuated Switches (AREA)
- Emergency Alarm Devices (AREA)
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CN201910258612.3A CN109904033B (zh) | 2017-11-29 | 2017-11-29 | 一种气体密度继电器超压信号实现保持的方法 |
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CN201711223483.1A CN107863268B (zh) | 2017-11-29 | 2017-11-29 | 一种气体密度继电器超压信号实现保持的方法 |
CN201910258612.3A CN109904033B (zh) | 2017-11-29 | 2017-11-29 | 一种气体密度继电器超压信号实现保持的方法 |
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CN109904033A CN109904033A (zh) | 2019-06-18 |
CN109904033B true CN109904033B (zh) | 2021-02-09 |
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CN201910258612.3A Active CN109904033B (zh) | 2017-11-29 | 2017-11-29 | 一种气体密度继电器超压信号实现保持的方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1099148A (en) * | 1965-04-22 | 1968-01-17 | Stewart Warner Corp | Oil mist detection method and apparatus |
CN103715010A (zh) * | 2014-01-16 | 2014-04-09 | 上海乐研电气科技有限公司 | 一种六氟化硫气体密度继电器 |
CN204720384U (zh) * | 2015-04-10 | 2015-10-21 | 国家电网公司 | 一种带双补偿元件的六氟化硫气体密度继电器 |
CN206541771U (zh) * | 2017-02-14 | 2017-10-03 | 朗松珂利(上海)仪器仪表有限公司 | 一种接点可保持的六氟化硫气体密度继电器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101847544A (zh) * | 2010-05-14 | 2010-09-29 | 上海乐研电气科技有限公司 | 一种六氟化硫气体密度继电器 |
CN104681351A (zh) * | 2015-02-05 | 2015-06-03 | 上海上芃电气有限公司 | 一种便于读取的高精度六氟化硫气体密度继电器 |
CN105206470A (zh) * | 2015-10-27 | 2015-12-30 | 上海乐研电气科技有限公司 | 一种六氟化硫气体密度继电器 |
CN205508709U (zh) * | 2016-01-26 | 2016-08-24 | 上海乐研电气科技有限公司 | 一种六氟化硫气体密度继电器 |
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2017
- 2017-11-29 CN CN201711223483.1A patent/CN107863268B/zh active Active
- 2017-11-29 CN CN201910258612.3A patent/CN109904033B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1099148A (en) * | 1965-04-22 | 1968-01-17 | Stewart Warner Corp | Oil mist detection method and apparatus |
CN103715010A (zh) * | 2014-01-16 | 2014-04-09 | 上海乐研电气科技有限公司 | 一种六氟化硫气体密度继电器 |
CN204720384U (zh) * | 2015-04-10 | 2015-10-21 | 国家电网公司 | 一种带双补偿元件的六氟化硫气体密度继电器 |
CN206541771U (zh) * | 2017-02-14 | 2017-10-03 | 朗松珂利(上海)仪器仪表有限公司 | 一种接点可保持的六氟化硫气体密度继电器 |
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Publication number | Publication date |
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CN107863268B (zh) | 2019-12-10 |
CN109904033A (zh) | 2019-06-18 |
CN107863268A (zh) | 2018-03-30 |
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Denomination of invention: A method for maintaining overpressure signal of gas density relay Effective date of registration: 20211118 Granted publication date: 20210209 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Huangpu sub branch Pledgor: SHANGHAI ROYE ELECTRIC Co.,Ltd. Registration number: Y2021310000103 |
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Effective date of registration: 20231023 Address after: 737199 No.78 Xinhua Road, Jinchang City, Gansu Province Patentee after: JINCHANG POWER SUPPLY COMPANY, STATE GRID GANSU ELECTRIC POWER Corp. Address before: 201802 area B, 4th floor, 21 Lane 1755, Wenbei Road, Nanxiang Town, Jiading District, Shanghai Patentee before: SHANGHAI ROYE ELECTRIC Co.,Ltd. |
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Effective date of registration: 20240108 Address after: 201802 area B, 4th floor, 21 Lane 1755, Wenbei Road, Nanxiang Town, Jiading District, Shanghai Patentee after: SHANGHAI ROYE ELECTRIC Co.,Ltd. Address before: 737199 No.78 Xinhua Road, Jinchang City, Gansu Province Patentee before: JINCHANG POWER SUPPLY COMPANY, STATE GRID GANSU ELECTRIC POWER Corp. |