CN110542852B - 一种气体密度继电器的改造方法 - Google Patents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3275—Fault detection or status indication
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
-
- 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
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
- G01N2009/006—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis vibrating tube, tuning fork
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Abstract
Description
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910830140.4A CN110542852B (zh) | 2019-09-04 | 2019-09-04 | 一种气体密度继电器的改造方法 |
PCT/CN2020/111247 WO2021043035A1 (zh) | 2019-09-04 | 2020-08-26 | 一种气体密度继电器的改造方法、一种具有在线自校验功能的气体密度继电器及其校验方法 |
EP20860654.1A EP4027152A4 (en) | 2019-09-04 | 2020-08-26 | METHOD FOR MODIFYING A GAS SEAL RELAY AND GAS SEAL RELAY WITH ONLINE SELF-CHECK FUNCTION AND TESTING METHOD THEREOF |
BR112022004053A BR112022004053A2 (pt) | 2019-09-04 | 2020-08-26 | Método de modificação para relés de densidade de gás, um relé de densidade de gás com função de auto-calibração online e o respectivo método de calibração. |
JP2022515059A JP2022547139A (ja) | 2019-09-04 | 2020-08-26 | ガス密度リレーの改造方法、オンラインセルフチェック機能を有するガス密度リレー及びそのチェック方法 |
US17/640,787 US20220336172A1 (en) | 2019-09-04 | 2020-08-26 | Method for modifying gas density relay, and gas density relay having online self-checking function and checking method therefor |
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CN201910830140.4A CN110542852B (zh) | 2019-09-04 | 2019-09-04 | 一种气体密度继电器的改造方法 |
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CN110542852A CN110542852A (zh) | 2019-12-06 |
CN110542852B true CN110542852B (zh) | 2022-08-26 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20220336172A1 (en) * | 2019-09-04 | 2022-10-20 | Shanghai Roye Electric Co., Ltd. | Method for modifying gas density relay, and gas density relay having online self-checking function and checking method therefor |
WO2021115289A1 (zh) * | 2019-12-11 | 2021-06-17 | 上海乐研电气有限公司 | 一种气体密度继电器的改造方法、一种具有在线自校验功能的气体密度继电器及其校验方法 |
CN111029211B (zh) * | 2019-12-11 | 2021-08-10 | 上海乐研电气有限公司 | 一种气体密度继电器的改造方法 |
Citations (7)
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CN2574047Y (zh) * | 2002-10-23 | 2003-09-17 | 上海珂利电气有限公司 | 六氟化硫气体密度继电器校验仪 |
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 |
CN101221109A (zh) * | 2007-01-08 | 2008-07-16 | 苏丽芳 | 自动测试sf6气体密度继电器额定值并记录的方法 |
CN202815116U (zh) * | 2012-09-19 | 2013-03-20 | 宁夏电力公司电力科学研究院 | 采用软件补偿的全温度sf6气体密度继电器校验装置 |
CN203881903U (zh) * | 2014-05-26 | 2014-10-15 | 朗松珂利(上海)仪器仪表有限公司 | 一种用于气体密度继电器校验仪的气压控制装置 |
CN104299843A (zh) * | 2014-10-21 | 2015-01-21 | 上海乐研电气科技有限公司 | 一种校验时免拆卸的气体密度继电器 |
CN104698372A (zh) * | 2013-12-04 | 2015-06-10 | 上海乐研电气科技有限公司 | 一种含有六氟化硫或混合气体的密度继电器校验装置 |
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CN101221217A (zh) * | 2007-01-09 | 2008-07-16 | 苏丽芳 | Sf6气体密度继电器校验仪及校验流程 |
CN201297986Y (zh) * | 2008-09-26 | 2009-08-26 | 上海电力设备安装有限公司 | Sf6气体密度-压力监控装置的校验台 |
RU94191U1 (ru) * | 2010-01-18 | 2010-05-20 | Анатолий Владимирович Алабугин | Система питания автомобиля на сжиженном газе (варианты) |
CN201651340U (zh) * | 2010-04-20 | 2010-11-24 | 佟世儒 | 一种静密封六氟化硫截止阀 |
CN101937060B (zh) * | 2010-09-09 | 2013-03-06 | 辽宁省电力有限公司抚顺供电公司 | 六氟化硫密度继电器校验系统及校验方法 |
CN202453470U (zh) * | 2012-02-13 | 2012-09-26 | 福建瑞能博尔电力设备有限公司 | Sf6气体密度继电器校验仪 |
JP6038382B2 (ja) * | 2014-02-18 | 2016-12-07 | 三菱電機株式会社 | 空気調和装置 |
CN209085838U (zh) * | 2018-11-12 | 2019-07-09 | 河南省日立信股份有限公司 | 内置高压储气瓶的便携式密度继电器校验装置 |
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Patent Citations (7)
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CN2574047Y (zh) * | 2002-10-23 | 2003-09-17 | 上海珂利电气有限公司 | 六氟化硫气体密度继电器校验仪 |
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 |
CN101221109A (zh) * | 2007-01-08 | 2008-07-16 | 苏丽芳 | 自动测试sf6气体密度继电器额定值并记录的方法 |
CN202815116U (zh) * | 2012-09-19 | 2013-03-20 | 宁夏电力公司电力科学研究院 | 采用软件补偿的全温度sf6气体密度继电器校验装置 |
CN104698372A (zh) * | 2013-12-04 | 2015-06-10 | 上海乐研电气科技有限公司 | 一种含有六氟化硫或混合气体的密度继电器校验装置 |
CN203881903U (zh) * | 2014-05-26 | 2014-10-15 | 朗松珂利(上海)仪器仪表有限公司 | 一种用于气体密度继电器校验仪的气压控制装置 |
CN104299843A (zh) * | 2014-10-21 | 2015-01-21 | 上海乐研电气科技有限公司 | 一种校验时免拆卸的气体密度继电器 |
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Denomination of invention: A Reconstruction Method of Gas Density Relay Effective date of registration: 20230309 Granted publication date: 20220826 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Huangpu sub branch Pledgor: SHANGHAI ROYE ELECTRIC Co.,Ltd. Registration number: Y2023310000055 |
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Denomination of invention: A modification method for gas density relay Granted publication date: 20220826 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Huangpu sub branch Pledgor: SHANGHAI ROYE ELECTRIC Co.,Ltd. Registration number: Y2024310000424 |
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