CN111756116A - Pressing plate state monitoring system for assisting filling of operation ticket - Google Patents
Pressing plate state monitoring system for assisting filling of operation ticket Download PDFInfo
- Publication number
- CN111756116A CN111756116A CN202010715270.6A CN202010715270A CN111756116A CN 111756116 A CN111756116 A CN 111756116A CN 202010715270 A CN202010715270 A CN 202010715270A CN 111756116 A CN111756116 A CN 111756116A
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- Prior art keywords
- pressing plate
- operation ticket
- screen
- relay protection
- filling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
- H02J13/00026—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission involving a local wireless network, e.g. Wi-Fi, ZigBee or Bluetooth
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00004—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the power network being locally controlled
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention provides a pressing plate state monitoring system for assisting filling of an operation ticket, which comprises a background host, a relay protection screen front display screen device and a WiFi (wireless fidelity) router; the relay protection screen front display screen device is connected with the background host by utilizing the WiFi router; the display screen device in front of the relay protection screen comprises a display screen and a power supply, wherein the display screen is hung on a panel of the printer box in front of the relay protection screen, only displays the information of the screen, and is in a standby dormant state for a long time; the WiFi router is installed in the center positions of the main control room and the relay protection room area, and local area networks of all relay protection screen front display screens and the background host are built.
Description
Technical Field
The invention relates to the field of transformer substation state monitoring, in particular to a pressing plate state monitoring system for assisting filling of an operation order.
Background
In the protection scheduled inspection work, some functional pressure plates need to be thrown and withdrawn frequently to complete the verification of different protection logics, the operation of throwing and withdrawing the pressure plates is executed by subsequent security scheduled inspection personnel and cannot be written in the safety measures of a work ticket, and after the scheduled inspection is finished, the scheduled inspection personnel restore the pressure plates to the state before the scheduled inspection. Normally, the personnel for the scheduled inspection records the state of the pressing plate before the scheduled inspection by taking a picture, but the scheduled inspection of a work ticket involves a plurality of screen positions, particularly the names of the pressing plates of adjacent spaced screen positions are almost the same, and the pressing plates are easy to be confused when being restored by pictures subsequently.
When filling in the power-off operation ticket of the equipment, the operator needs to take a picture in front of the corresponding screen to confirm that the state and name of the pressure plate in the written operation ticket are consistent with the actual state and name. When screen positions of more reconstruction projects are involved, the states of the pressing plates are added or deleted, so that the work of checking the pressing plates is extremely complicated, and accidents of missed casting and mistaken casting can occur.
According to the operation rule, operators need to record the states of the pressing plate in the process of switching on and off and increase and decrease every month, for example, a 500kV relay protection room has nearly 200 screen positions, and the work of checking the state of the pressing plate is complicated and consumes a great deal of energy; and for an unattended transformer substation, operators need to reach the station to copy, and the work task is increased.
Application number is 201820769711.9 discloses an automatic billing device for electric wire netting scheduling operation order in the patent specification, and this application provides and places case, first mount, printer body, second mount and movable rod including the scroll, states the scroll and places the second mount that incasement portion bottom mounting has the symmetric distribution, two the draw-in groove has all been seted up to second mount upper surface, the inside movable mounting of draw-in groove has the inserted bar, two second mount upper surface joint has the buckle, the scroll is placed the case and is deviated from printer body one side inner wall and be fixed with first mount, the movable rod is installed through the axis of rotation in first mount upper end, the movable rod lower surface passes through spring and first mount outer wall elastic connection, first contact arm is installed to movable rod both sides outer wall symmetry. However, the patent can not realize the monitoring of the switching state of the relay protection screen pressing plate, and the workload of the operator for patrolling and recording the pressing plate is reduced.
Disclosure of Invention
The invention provides a pressing plate state monitoring system for assisting filling of an operation ticket, which realizes monitoring of the switching state of a relay protection screen pressing plate and reduces the workload of operating personnel for patrolling and recording the pressing plate.
In order to achieve the technical effects, the technical scheme of the invention is as follows:
a pressing plate state monitoring system for assisting filling of an operation ticket comprises a background host, a relay protection screen front display screen device and a WiFi router; the relay protection screen front display screen device is connected with the background host by utilizing the WiFi router; the display screen device in front of the relay protection screen comprises a display screen and a power supply, wherein the display screen is hung on a panel of the printer box in front of the relay protection screen, only displays the information of the screen, and is in a standby dormant state for a long time; the WiFi router is installed in the center positions of the main control room and the relay protection room area, and local area networks of all relay protection screen front display screens and the background host are built.
Preferably, the power supply is connected in parallel with a 220V alternating current power supply of the printer.
Furthermore, a monitoring App is operated on the background host, and comprises a relay protection screen number column, a pressing plate state column, a retrieval column and an operation ticket association column.
Further, the relay protection screen number column comprises a screen number, a screen name and a background color, the screen number is displayed on an App main interface according to an actual installation position, and the relay protection screen name is automatically hidden.
Further, the numbers of relay protection screens in 10kV/35kV, 220kV and 550kV areas in the relay protection room are displayed according to yellow, green and red background colors respectively.
Further, the pressing plate status column comprises a pressing plate number, a pressing plate name, a throwing-withdrawing status character and a pressing plate color. The pressing plate main body displays the serial number and the name correlation and depends on the serial number, the throwing and withdrawing status words are 'throwing' and 'withdrawing' words with round bottoms, yellow, green and gray of the pressing plate color are background colors of the round bottoms of the throwing and withdrawing status words and respectively represent a functional pressing plate, an outlet pressing plate and a spare pressing plate.
Further, the retrieval column comprises number retrieval and name retrieval, and the retrieval types comprise relay screen retrieval and pressing plate retrieval.
Further, the operation ticket association column comprises number association and name association, and association detects whether adjacent name fields corresponding to the protection screen and the pressing plate number in the operation ticket are consistent with the latest name or not.
Further, the method for updating the state of the pressing plate comprises the following steps:
1) after the operator operates the pressing plate, the pressing plate state is input in front of the display screen of the corresponding screen, and electronic signature is confirmed;
2) the working responsible persons of the professional team and the external construction unit restore the state of the pressing plate before the operation after the work is finished, and confirm the electronic signature;
3) and the numbers and names of the newly added and deleted pressing plates in the modification project need to be confirmed by a work responsible person and a work licensor after the work of the newly added and deleted pressing plates in the modification project is finished.
Further, the operation order filling method comprises the following steps:
s1: searching whether the operation ticket system has a historical operation ticket of the same operation task, if so, performing step S2; if not, go to step S11;
s11: filling in an operation ticket according to the operation rule by contrasting with the latest pressing plate state table, and then performing step S41;
s2: comparing whether the time of the latest pressure plate state table is prior to the time of the historical operation ticket, if so, performing step S3; if not, go to step S21;
s21: changing, adding and deleting the corresponding pressing plate state items in the historical operation ticket, and then performing the step S41;
s3: checking whether the pressure plate in the historical operation ticket is consistent with the pressure plate state table, if so, performing step S4; if not, performing step S31;
s31: changing the pressing plate throwing and retreating states of corresponding operation items in the historical operation tickets; then proceed to step S41
S41: checking whether the pressing plate number and the name in the operation ticket are consistent with the pressing plate state table in a correlation mode, and if so, performing step S4; if not, go to step S42;
s42: the pressing board state table is changed to change the number or name of the error, and the step S41 is returned again;
s4: and storing the operation order and finishing the self-examination of the operation order.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
1. the on-off state of the relay protection screen pressing plate is monitored, and the workload of operating personnel for inspecting and recording the pressing plate is reduced;
2. based on the pressure plate state monitoring data, an operator can complete the filling of the operation ticket without checking the pressure plate state in a relay protection room, and can also realize the verification of screen positions related to professional team work tickets; the professional team can also check the states of the screen positions and the pressing plates when filling the work tickets, so that the remote data sharing is realized;
3. the work of switching on and off of the relay protection screen pressing plate is realized, the work of the relay protection screen pressing plate is recovered by a work responsible person after the work is finished, and the data is confirmed before the relay protection screen display screen, so that the data records of different time nodes are realized, and the possibility of missing the switching on of the pressing plate is avoided.
Drawings
FIG. 1 is a block diagram of the system components of the present invention;
fig. 2 is a flowchart of the operation ticket filling step of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, a system for monitoring the state of a pressing plate for assisting in filling in an operation ticket comprises a background host, a relay protection screen front display screen device and a WiFi router; the relay protection screen front display screen device is connected with the background host by utilizing the WiFi router; the display screen device in front of the relay protection screen comprises a display screen and a power supply, wherein the display screen is hung on a panel of the printer box in front of the relay protection screen, only displays the information of the screen, and is in a standby dormant state for a long time; the WiFi router is installed in the central positions of the main control room and the relay protection room area, and local area networks of all relay protection screen front display screens and all background hosts are built; wherein, the power supply is connected in parallel with a 220V alternating current power supply of the printer.
A monitoring App is operated on the background host, and comprises a relay protection screen number column, a pressing plate state column, a retrieval column and an operation ticket association column; the relay protection screen number column comprises screen numbers, screen names and background colors, the screen numbers are displayed on an App main interface according to actual installation positions, the relay protection screen names are automatically hidden, and the relay protection screen numbers of 10kV/35kV, 220kV and 550kV areas in the relay protection chamber are respectively displayed according to yellow, green and red background colors; the pressing plate status column comprises a pressing plate number, a pressing plate name, a throwing-withdrawing status character and a pressing plate color. The main body of the pressing plate displays the serial number and the name is associated and attached to the serial number, the throwing and withdrawing status characters are the characters of throwing and withdrawing with a round bottom, yellow, green and gray of the color of the pressing plate are background colors of the round bottom of the throwing and withdrawing status characters and respectively represent a functional pressing plate, an outlet pressing plate and a spare pressing plate; the retrieval column comprises number retrieval and name retrieval, and the retrieval types comprise relay screen retrieval and pressing plate retrieval; the operation ticket association column comprises number association and name association, and the association detects whether adjacent name fields corresponding to the protection screen and the pressing plate number in the operation ticket are consistent with the latest name or not.
The method for updating the state of the pressing plate comprises the following steps:
1) after the operator operates the pressing plate, the pressing plate state is input in front of the display screen of the corresponding screen, and electronic signature is confirmed;
2) the working responsible persons of the professional team and the external construction unit restore the state of the pressing plate before the operation after the work is finished, and confirm the electronic signature;
3) and the numbers and names of the newly added and deleted pressing plates in the modification project need to be confirmed by a work responsible person and a work licensor after the work of the newly added and deleted pressing plates in the modification project is finished.
As shown in fig. 2, the operation ticket filling method is:
s1: searching whether the operation ticket system has a historical operation ticket of the same operation task, if so, performing step S2; if not, go to step S11;
s11: filling in an operation ticket according to the operation rule by contrasting with the latest pressing plate state table, and then performing step S41;
s2: comparing whether the time of the latest pressure plate state table is prior to the time of the historical operation ticket, if so, performing step S3; if not, go to step S21;
s21: changing, adding and deleting the corresponding pressing plate state items in the historical operation ticket, and then performing the step S41;
s3: checking whether the pressure plate in the historical operation ticket is consistent with the pressure plate state table, if so, performing step S4; if not, performing step S31;
s31: changing the pressing plate throwing and retreating states of corresponding operation items in the historical operation tickets; then proceed to step S41
S41: checking whether the pressing plate number and the name in the operation ticket are consistent with the pressing plate state table in a correlation mode, and if so, performing step S4; if not, go to step S42;
s42: the pressing board state table is changed to change the number or name of the error, and the step S41 is returned again;
s4: and storing the operation order and finishing the self-examination of the operation order.
The same or similar reference numerals correspond to the same or similar parts;
the positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A pressing plate state monitoring system for assisting filling of an operation ticket is characterized by comprising a background host, a relay protection screen front display screen device and a WiFi router; the relay protection screen front display screen device is connected with the background host by utilizing the WiFi router; the display screen device in front of the relay protection screen comprises a display screen and a power supply, wherein the display screen is hung on a panel of the printer box in front of the relay protection screen, only displays the information of the screen, and is in a standby dormant state for a long time; the WiFi router is installed in the center positions of the main control room and the relay protection room area, and local area networks of all relay protection screen front display screens and the background host are built.
2. The platen status monitoring system for filling in an auxiliary operation ticket as claimed in claim 1, wherein the power supply is connected in parallel with a 220V ac power supply of the printer.
3. The platen state monitoring system for filling in an auxiliary operation ticket as claimed in claim 2, wherein the background host computer runs a monitoring App, and the monitoring App comprises a relay protection screen number column, a platen state column, a retrieval column and an operation ticket association column.
4. The pressing plate state monitoring system for filling in the auxiliary operation ticket as claimed in claim 3, wherein the relay protection screen number column comprises a screen number, a screen name and a background color, the screen number is displayed on an App main interface according to an actual installation position, and the relay protection screen name is automatically hidden.
5. The platen status monitoring system for filling in an auxiliary operation ticket as claimed in claim 4, wherein the numbers of the relay protection screen in the three areas of 10kV/35kV, 220kV and 550kV in the relay protection room are displayed in yellow, green and red background colors, respectively.
6. The system for monitoring the status of a pressing plate for filling in an auxiliary operation ticket as claimed in claim 5, wherein the status bar of the pressing plate comprises a pressing plate number, a pressing plate name, a status word for putting on and putting off, and a pressing plate color. The pressing plate main body displays the serial number and the name correlation and depends on the serial number, the throwing and withdrawing status words are 'throwing' and 'withdrawing' words with round bottoms, yellow, green and gray of the pressing plate color are background colors of the round bottoms of the throwing and withdrawing status words and respectively represent a functional pressing plate, an outlet pressing plate and a spare pressing plate.
7. The platen status monitoring system for filling-in of an auxiliary operation ticket as claimed in claim 6, wherein the search field includes a number search and a name search, and the search type includes a relay screen search and a platen search.
8. The system for monitoring the status of a pressing plate for filling in an auxiliary operation ticket as claimed in claim 7, wherein the operation ticket association column comprises a number association and a name association, and the association detects whether the protection screen and the pressing plate number in the operation ticket correspond to the adjacent name field and are consistent with the latest name.
9. The platen status monitoring system for filling-in an auxiliary operation ticket as claimed in claim 8, wherein the platen status is updated by:
1) after the operator operates the pressing plate, the pressing plate state is input in front of the display screen of the corresponding screen, and electronic signature is confirmed;
2) the working responsible persons of the professional team and the external construction unit restore the state of the pressing plate before the operation after the work is finished, and confirm the electronic signature;
3) and the numbers and names of the newly added and deleted pressing plates in the modification project need to be confirmed by a work responsible person and a work licensor after the work of the newly added and deleted pressing plates in the modification project is finished.
10. The platen status monitoring system for filling-in of an auxiliary operation ticket as claimed in claim 9, wherein the operation ticket filling-in method is:
s1: searching whether the operation ticket system has a historical operation ticket of the same operation task, if so, performing step S2; if not, go to step S11;
s11: filling in an operation ticket according to the operation rule by contrasting with the latest pressing plate state table, and then performing step S41;
s2: comparing whether the time of the latest pressure plate state table is prior to the time of the historical operation ticket, if so, performing step S3; if not, go to step S21;
s21: changing, adding and deleting the corresponding pressing plate state items in the historical operation ticket, and then performing the step S41;
s3: checking whether the pressure plate in the historical operation ticket is consistent with the pressure plate state table, if so, performing step S4; if not, performing step S31;
s31: changing the pressing plate throwing and retreating states of corresponding operation items in the historical operation tickets; then proceed to step S41
S41: checking whether the pressing plate number and the name in the operation ticket are consistent with the pressing plate state table in a correlation mode, and if so, performing step S4; if not, go to step S42;
s42: the pressing board state table is changed to change the number or name of the error, and the step S41 is returned again;
s4: and storing the operation order and finishing the self-examination of the operation order.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010715270.6A CN111756116B (en) | 2020-07-23 | 2020-07-23 | Pressing plate state monitoring system for assisting filling of operation ticket |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010715270.6A CN111756116B (en) | 2020-07-23 | 2020-07-23 | Pressing plate state monitoring system for assisting filling of operation ticket |
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| CN111756116A true CN111756116A (en) | 2020-10-09 |
| CN111756116B CN111756116B (en) | 2022-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114217155A (en) * | 2021-12-14 | 2022-03-22 | 广东电网有限责任公司 | State detection circuit and terminal of secondary cell clamp plate in distribution network ring main unit |
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| CN204905674U (en) * | 2015-08-04 | 2015-12-23 | 普尔盾电气（上海）有限公司 | Relay protection surveys and shows device |
| CN105226816A (en) * | 2015-09-23 | 2016-01-06 | 国家电网公司 | Pressing plate Stateful Inspection and anti-error management system |
| CN110048508A (en) * | 2019-04-10 | 2019-07-23 | 国网浙江省电力有限公司检修分公司 | Substation's pressing plate remote monitoring system for status |
| US10439434B2 (en) * | 2016-03-09 | 2019-10-08 | Florida Power & Light Company | Impedance shift analysis to predict failures in an electrical power distribution network |
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2020
- 2020-07-23 CN CN202010715270.6A patent/CN111756116B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204905674U (en) * | 2015-08-04 | 2015-12-23 | 普尔盾电气（上海）有限公司 | Relay protection surveys and shows device |
| CN105226816A (en) * | 2015-09-23 | 2016-01-06 | 国家电网公司 | Pressing plate Stateful Inspection and anti-error management system |
| US10439434B2 (en) * | 2016-03-09 | 2019-10-08 | Florida Power & Light Company | Impedance shift analysis to predict failures in an electrical power distribution network |
| CN110048508A (en) * | 2019-04-10 | 2019-07-23 | 国网浙江省电力有限公司检修分公司 | Substation's pressing plate remote monitoring system for status |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114217155A (en) * | 2021-12-14 | 2022-03-22 | 广东电网有限责任公司 | State detection circuit and terminal of secondary cell clamp plate in distribution network ring main unit |
| CN114217155B (en) * | 2021-12-14 | 2023-08-22 | 广东电网有限责任公司 | State detection circuit and terminal of secondary cell clamp plate in distribution network looped netowrk case |
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| Publication number | Publication date |
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| CN111756116B (en) | 2022-05-10 |
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