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公开(公告)号：US11988713B2
公开(公告)日：2024-05-21
申请号：US17640774
申请日：2020-08-26
发明人： Wei Zeng , Min Chang , Xiaobeng Huang , Haiming Liao , Haisheng Jin , Enlin Wang
IPC分类号： G01R31/327 , G01N9/00 , H01H35/24
CPC分类号： G01R31/3274 , G01N9/00 , H01H35/24
摘要： A contact signal acquisition circuit for online checking a gas density relay on site is provided, including a first connecting circuit, connecting a contact of a gas density relay to a contact signal control loop, and a second connecting circuit, connecting a contact of the gas density relay to a contact signal sampling interface of an online check device. In a non-checking state, the second connecting circuit is disconnected, and the first connecting circuit is closed; and in a checking state, the first connecting circuit is disconnected, and the second connecting circuit is connected, so as to connect the contact of the gas density relay to the contact signal sampling interface of the online check device, guaranteeing that no contact action signal is uploaded during checking and safe operation of a power grid is not affected.
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2.发明申请公开(公告)号：US20220336171A1
公开(公告)日：2022-10-20
申请号：US17640779
申请日：2020-08-26
发明人： Haiyong JIN , Tiexin XIA , Xiaobeng HUANG , Zhengcao GUO , Min CHANG , Lele WANG
IPC分类号： H01H35/26 , G01N9/26 , H01H35/32 , G01R31/327 , H02B13/065
摘要： The application provides an electrical system with online sampling and check function and its check method for high-voltage and medium-voltage electrical equipment, including electrical equipment, gas density relay, gas density sensor, temperature regulation mechanism, online check contact signal sampling unit and intelligent control unit. The temperature rise and fall of the temperature compensation element of the gas density relay is regulated through the temperature regulation mechanism to enable the contact action of the gas density relay of electrical equipment. The contact action is transmitted to the intelligent control unit through the online check contact signal sampling unit. The intelligent control unit detects the alarm and/or blocking contact signal operating value and/or return value according to the density value of the contact action; the check of the gas density relay can be completed without maintenance personnel on site, which greatly improves the reliability of the power grid and the work efficiency, and reduces the O&M cost. At the same time, it also realizes the mutual self-inspection between gas density relay and gas density sensor, and further realizes the maintenance-free.
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公开(公告)号：US20230168145A1
公开(公告)日：2023-06-01
申请号：US17997546
申请日：2021-02-09
发明人： Haiyong JIN , Tiexin XIA , Zhengcao GUO , Caixia HAO , Haisheng JIN
IPC分类号： G01M3/32
CPC分类号： G01M3/3272
摘要： The present application provides a self-diagnostic gas density relay and a use method thereof, the gas density relay includes a gas density relay body, a gas density detection sensor, at least one diagnostic sensor, and an intelligent control unit; where the diagnostic sensor is configured to acquire deformation quantities of components that generate deformations, and/or positions or displacement quantities of components that generate displacements when the pressure changes, or the temperature changes, or the gas density changes in the gas density relay body; and the intelligent control unit is respectively connected with the gas density detection sensor and the diagnostic sensor, receives data acquired by the gas density detection sensor and/or the diagnostic sensor, and diagnoses a current working state of the gas density relay body. The present application is used for monitoring a gas density of the gas-insulated or arc-extinguished electrical equipment, and at the same time, on-line self-inspection for the gas density relay is completed, so that efficiency is increased, no maintenance is realized, operation and maintenance costs are greatly reduced, and safe operation of a power grid is guaranteed.
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公开(公告)号：US20220317008A1
公开(公告)日：2022-10-06
申请号：US17616034
申请日：2021-03-02
发明人： Libo Luo , Xuejun Zhang , Min Chang , Bing He , Xiaoli Shen , Haiyong Jin
摘要： A high anti-vibration gas density monitor is provided, including a monitor enclosure, a signal control mechanism, and an indication value display mechanism independent from the signal control mechanism which are provided in the monitor enclosure. The signal control mechanism includes at least one corrugated pipe, a sealed compensation chamber, a signal generator, and a signal regulation mechanism. The corrugated pipe is perpendicular to a side wall of a control casing. The monitor enclosure includes an independent sealed compartment used to mount the indication value display mechanism. The sealed compartment is filled with anti-vibration oil, or is hermetically filled with gas. The indication value display mechanism includes a Bourdon tube, a base, an end holder, a movement, a pointer, and a dial.
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公开(公告)号：US20230168302A1
公开(公告)日：2023-06-01
申请号：US17997547
申请日：2021-02-09
发明人： Xiaobeng HUANG , Haiyong JIN , Haiming LIAO , Xiaowei YE , Yueming ZHU
IPC分类号： G01R31/327 , H01H35/38 , H01H35/28 , G01N9/26
CPC分类号： G01R31/3275 , H01H35/38 , H01H35/28 , G01N9/266
摘要： The application provides a gas density relay with online self-check function and its check method, including a gas density relay body, a first pressure sensor, a second pressure sensor, a temperature sensor, a gas chamber, a pressure regulating mechanism, an online check contact signal sampling unit and an intelligent control unit. The air path of the pressure regulating mechanism is connected to the gas pressure chamber and the second pressure sensor; Pressure rise and fall can be regulated through the pressure regulating mechanism to make the gas density relay body contact action. The contact action is transmitted to the intelligent control unit through the online check contact signal sampling unit. The intelligent control unit detects the action value and/or return value of the contact signal of the gas density relay body according to the density value when the contact acts, and completes the check work without requiring maintainer to go to the site for check. At the same time, because the pressure regulating mechanism is not connected to the SF6 gas path of the gas density relay body or electrical equipment, its sealing requirements are reduced, the reliability of the power grid is improved, and the manufacturing cost is reduced.
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公开(公告)号：US20220390518A1
公开(公告)日：2022-12-08
申请号：US17776219
申请日：2020-12-09
发明人： Min CHANG , Xiaobeng HUANG , Tiexin XIA , Zhengcao GUO , Wei ZHENG , Haiyong JING
IPC分类号： G01R31/327 , G01N9/26 , G01D21/02 , H01H35/28
摘要： The present disclosure provides a method for modifying a gas density relay and a gas density relay having an online self-check function and a check method therefor. The gas density relay having an online self-check function is used for high-voltage and medium-voltage electrical devices, and includes a gas density relay body, a gas density detection sensor, a gas path blocking pressure regulation mechanism, an online check contact signal sampling unit and an intelligent control unit. The intelligent control unit controls a blocking member of the gas path blocking pressure regulation mechanism to move, so as to block a gas path between a first interface and a second interface. Moreover, a volume of a sealed cavity changes, a gas pressure of the gas density relay body slowly falls, thereby generating contact action, the contact action is transmitted to the intelligent control unit by means of the online check contact signal sampling unit, and the intelligent control unit detects an alarm and/or blocking contact signal action value and/or return value according to a density value during the contact action, such that check can be completed without maintenance personnel on site, and the reliability and efficiency of a power grid are greatly improved while cost is lowered.
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7.发明申请公开(公告)号：US20220341993A1
公开(公告)日：2022-10-27
申请号：US17640776
申请日：2020-08-26
发明人： Tiexin XIA , Bing HE , Min CHANG , Zhengcao GUO , Haiming LIAO , Haiyong JIN , Enlin WANG
IPC分类号： G01R31/327 , G01N9/00 , G01R19/00 , G01R15/20 , H01H35/26
摘要： The application provides an electrical system with online sampling and check function and its check method for high-voltage and medium-voltage electrical equipment, including electrical equipment, gas density relay, gas density sensor, valve, pressure regulating mechanism, online check contact signal sampling unit and intelligent control unit. The pressure is increased or decreased by the pressure regulating mechanism to enable the contact action of the gas density relay of electrical equipment. The contact action is transmitted to the intelligent control unit through the online check contact signal sampling unit. The intelligent control unit detects the alarm and/or blocking contact signal operating value and/or return value according to the density value of the contact action; the check of the gas density relay can be completed without maintenance personnel on site, which greatly improves the reliability of the power grid and the work efficiency, and reduces the O&M cost. At the same time, it also realizes the mutual self-inspection between gas density relay and gas density sensor, and further realizes the maintenance-free.
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8.发明申请公开(公告)号：US20220334184A1
公开(公告)日：2022-10-20
申请号：US17640784
申请日：2020-08-26
发明人： Min CHANG , Haiyong JIN , Zhengcao GUO , Lele WANG , Wei ZENG , Haiming LIAO
IPC分类号： G01R31/327 , G01N9/00 , G05B6/02
摘要： The invention discloses a field detection device and system for achieving no maintenance of a gas density relay. The field detection device comprises a temperature adjusting mechanism and an intelligent control unit, wherein rise and fall of the temperature of the temperature adjusting mechanism are controlled by the intelligent control unit, thereby making the temperature of a temperature compensation component of the density relay rise and fall to complete the field detection of the gas density relay, and no maintainer is needed to operate on site, which achieves no maintenance of the gas density relay, and greatly improves the efficiency and reliable and safe running of power grids. The invention further provides a field detection method for supporting normal running of the field detection device above.
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公开(公告)号：US12105148B2
公开(公告)日：2024-10-01
申请号：US17997543
申请日：2021-02-09
发明人： Haiyong Jin
IPC分类号： G01R31/327 , H01H35/28 , H01H35/38
CPC分类号： G01R31/3278 , H01H35/28 , H01H35/38
摘要： Disclosed are a gas density relay having a simulation check function and a simulation check method thereof, the gas density relay includes a gas density relay body, a simulation reference signal unit, a simulation check signal unit, a driving contact action mechanism, and an intelligent control unit. The intelligent control unit obtains, according to the check, by the simulation reference signal unit, of a simulation check signal generated by the simulation check signal unit, a current working state of a monitoring part, so as to quantitatively and accurately measure the precision of the gas density relay; by providing the driving contact action mechanism, the gas density relay body generates an alarm and/or a locking contact action to ensure that a contact execution mechanism of the gas density relay body and a contact itself are normal. The present application completes online simulation or virtual check of the gas density relay while being used for monitoring the gas density of a insulation or arc extinguishing electrical equipment, thereby improving working efficiency, reducing operation and maintenance costs, and guaranteeing safe operation of a power grid.
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10.发明授权公开(公告)号：US12046433B2
公开(公告)日：2024-07-23
申请号：US17640779
申请日：2020-08-26
发明人： Haiyong Jin , Tiexin Xia , Xiaobeng Huang , Zhengcao Guo , Min Chang , Lele Wang
IPC分类号： H01H35/26 , G01N9/26 , G01R31/327 , H01H35/32 , H02B13/065 , H01H35/36
CPC分类号： H01H35/26 , G01N9/26 , G01R31/3271 , H01H35/32 , H02B13/065 , H01H35/36 , H01H2300/052
摘要： The application provides an electrical system with online sampling and check function and its check method for high-voltage and medium-voltage electrical equipment, including electrical equipment, gas density relay, gas density sensor, temperature regulation mechanism, online check contact signal sampling unit and intelligent control unit. The temperature rise and fall of the temperature compensation element of the gas density relay is regulated through the temperature regulation mechanism to enable the contact action of the gas density relay of electrical equipment. The contact action is transmitted to the intelligent control unit through the online check contact signal sampling unit. The intelligent control unit detects the alarm and/or blocking contact signal operating value and/or return value according to the density value of the contact action; the check of the gas density relay can be completed without maintenance personnel on site, which greatly improves the reliability of the power grid and the work efficiency, and reduces the O&M cost. At the same time, it also realizes the mutual self-inspection between gas density relay and gas density sensor, and further realizes the maintenance-free.
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