CN113539741A - 一种免维护、性能自诊断的气体密度继电器 - Google Patents
一种免维护、性能自诊断的气体密度继电器 Download PDFInfo
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- CN113539741A CN113539741A CN202110762706.1A CN202110762706A CN113539741A CN 113539741 A CN113539741 A CN 113539741A CN 202110762706 A CN202110762706 A CN 202110762706A CN 113539741 A CN113539741 A CN 113539741A
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- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/04—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges
- G01L7/041—Construction or mounting of deformable tubes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/04—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges
- G01L7/043—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges with mechanical transmitting or indicating means
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- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/26—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences
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- 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
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- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
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- H—ELECTRICITY
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- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H01H35/00—Switches operated by change of a physical condition
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- Physics & Mathematics (AREA)
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Measuring Fluid Pressure (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910830162.0A CN110534377A (zh) | 2019-09-04 | 2019-09-04 | 一种免维护的气体密度继电器 |
CN2019108301620 | 2019-09-04 | ||
CN202010416678.3A CN111463063B (zh) | 2019-09-04 | 2020-05-15 | 一种免维护的气体密度继电器 |
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CN202010416678.3A Division CN111463063B (zh) | 2019-09-04 | 2020-05-15 | 一种免维护的气体密度继电器 |
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CN113539741A true CN113539741A (zh) | 2021-10-22 |
CN113539741B CN113539741B (zh) | 2023-02-03 |
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CN201910830162.0A Pending CN110534377A (zh) | 2019-09-04 | 2019-09-04 | 一种免维护的气体密度继电器 |
CN202010416678.3A Active CN111463063B (zh) | 2019-09-04 | 2020-05-15 | 一种免维护的气体密度继电器 |
CN202110762706.1A Active CN113539741B (zh) | 2019-09-04 | 2020-05-15 | 一种免维护、性能自诊断的气体密度继电器 |
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CN201910830162.0A Pending CN110534377A (zh) | 2019-09-04 | 2019-09-04 | 一种免维护的气体密度继电器 |
CN202010416678.3A Active CN111463063B (zh) | 2019-09-04 | 2020-05-15 | 一种免维护的气体密度继电器 |
Country Status (5)
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US (1) | US12255032B2 (zh) |
EP (1) | EP4027366A4 (zh) |
JP (1) | JP7661308B2 (zh) |
CN (3) | CN110534377A (zh) |
WO (1) | WO2021043042A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114279994A (zh) * | 2021-11-19 | 2022-04-05 | 国网山东省电力公司电力科学研究院 | 一种适用于气体继电器的变电站气体在线监测装置及方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110534377A (zh) | 2019-09-04 | 2019-12-03 | 上海乐研电气有限公司 | 一种免维护的气体密度继电器 |
US12154738B2 (en) * | 2019-09-04 | 2024-11-26 | Shanghai Roye Electric Co., Ltd. | Method for modifying gas density relay, and gas density relay having online self-checking function and checking method therefor |
WO2021218283A1 (zh) * | 2020-04-29 | 2021-11-04 | 上海乐研电气有限公司 | 一种自诊断的气体密度继电器及其使用方法 |
CN111446118B (zh) * | 2020-04-29 | 2024-05-28 | 上海乐研电气有限公司 | 具有仿真校验功能的气体密度继电器及其仿真校验方法 |
CN111508770A (zh) * | 2020-05-15 | 2020-08-07 | 上海乐研电气有限公司 | 具有自诊断功能的数字式气体密度继电器及其自诊断方法 |
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2019
- 2019-09-04 CN CN201910830162.0A patent/CN110534377A/zh active Pending
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2020
- 2020-05-15 CN CN202010416678.3A patent/CN111463063B/zh active Active
- 2020-05-15 CN CN202110762706.1A patent/CN113539741B/zh active Active
- 2020-08-26 EP EP20861074.1A patent/EP4027366A4/en active Pending
- 2020-08-26 US US17/640,773 patent/US12255032B2/en active Active
- 2020-08-26 JP JP2022515121A patent/JP7661308B2/ja active Active
- 2020-08-26 WO PCT/CN2020/111255 patent/WO2021043042A1/zh active IP Right Grant
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CN2831095Y (zh) * | 2005-05-27 | 2006-10-25 | 厦门Abb华电高压开关有限公司 | 气体密度继电器检验装置 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114279994A (zh) * | 2021-11-19 | 2022-04-05 | 国网山东省电力公司电力科学研究院 | 一种适用于气体继电器的变电站气体在线监测装置及方法 |
CN114279994B (zh) * | 2021-11-19 | 2024-06-07 | 国网山东省电力公司电力科学研究院 | 一种适用于气体继电器的变电站气体在线监测装置及方法 |
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CN110534377A (zh) | 2019-12-03 |
CN111463063B (zh) | 2021-08-10 |
EP4027366A1 (en) | 2022-07-13 |
JP2022548539A (ja) | 2022-11-21 |
US12255032B2 (en) | 2025-03-18 |
CN111463063A (zh) | 2020-07-28 |
CN113539741B (zh) | 2023-02-03 |
JP7661308B2 (ja) | 2025-04-14 |
WO2021043042A1 (zh) | 2021-03-11 |
US20220336169A1 (en) | 2022-10-20 |
EP4027366A4 (en) | 2023-09-27 |
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