CN108512313A - A kind of power distribution network temporary grounding wire management system and control method - Google Patents
A kind of power distribution network temporary grounding wire management system and control method Download PDFInfo
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- CN108512313A CN108512313A CN201810473318.XA CN201810473318A CN108512313A CN 108512313 A CN108512313 A CN 108512313A CN 201810473318 A CN201810473318 A CN 201810473318A CN 108512313 A CN108512313 A CN 108512313A
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- 238000009826 distribution Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000007726 management method Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012790 confirmation Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- H02J13/0075—
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
-
- 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
- Y04S40/128—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 involving the use of Internet protocol
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A kind of power distribution network temporary grounding wire management system and control method, which includes regulation and control center, hand-held intelligent terminal, Intelligent key and smart lock, and regulates and controls between center and hand-held intelligent terminal, is wirelessly connected between hand-held intelligent terminal and Intelligent key.When operation, trigger, download and update all ground wire facility informations on hand-held intelligent terminal, and by hand or barcode scanning input job position information be sent to the examination ＆ approval of regulation and control center confirm, hand-held intelligent terminal earth wire mount/dismounting state compare it is consistent after issue mandate unlock/blocking order and complete unlock/lock operation to Intelligent key；Smart lock automatically switches code-locked value after unlocking or be latched successfully, code-locked value after conversion is fed back to hand-held intelligent terminal, confirms mounting/dismantling operation success by Intelligent key simultaneously, and return to regulation and control center, it is grounded the unification of line information, the case where effectively helping operations staff to quickly understand power distribution network ground wire, avoids the generation of maloperation.
Description
Technical Field
The invention relates to the technical field of temporary grounding wires of power distribution networks, in particular to a management system and a control method of the temporary grounding wires of the power distribution networks.
Background
The power distribution network is used as a terminal power grid facing to vast power consumers, the on-site overhaul and maintenance workload is large, but the existing power distribution network automation system is lack of management on temporary grounding wires, grounding wire information is managed only in a manual reporting mode, no technical means is adopted, the phenomenon that the grounding wire information of the power distribution network cannot be timely fed back to a regulation and control center, even the on-site grounding wire information is inconsistent with the regulation and control center often occurs, so that 'switching on (power transmission) with grounding wires' misoperation accidents occur, and serious influence is caused on the safe and stable operation of the power distribution network.
Disclosure of Invention
The invention provides a temporary grounding wire management system and a control method for a power distribution network, aiming at uniformly and effectively managing all temporary grounding wires in the power distribution network, effectively helping operators to quickly know the condition of the grounding wires of the power distribution network and avoiding misoperation accidents of power transmission with grounding wires.
In order to achieve the above object, the present invention provides a power distribution network temporary grounding wire management system, including: the intelligent lock comprises a regulation center, a handheld intelligent terminal, an intelligent key and an intelligent lock;
the control center is used for managing the data of the grounding wire of the power distribution network, monitoring and managing the opening and closing of the intelligent lock, auditing the grounding wire of the power distribution network for operation and issuing lock code information;
the handheld intelligent terminal is used for downloading and updating all grounding wire equipment information from the regulation center, uploading the position information of the operating grounding wire of the power distribution network to the regulation center, issuing an authorized unlocking/locking instruction to the intelligent key, and transmitting the current hanging/dismantling state of the operating grounding wire of the power distribution network back to the regulation center;
the intelligent key is used for receiving an authorized unlocking/locking instruction issued by the handheld intelligent terminal, unlocking/locking the intelligent lock and feeding back the current lock code value of the intelligent lock to the handheld intelligent terminal;
the intelligent lock is a lock which can switch unlocking code values and locking code values and feed back the current lock code values to the intelligent key, is reliably arranged at two ends of a grounding wire and is used for locking on-site power distribution equipment;
and the regulation and control center is connected with the handheld intelligent terminal in a wireless mode, and the handheld intelligent terminal is connected with the intelligent key in a wireless mode.
Preferably, the control center stores all the ground wire graph data in the power distribution network.
Preferably, the regulation and control center is connected with the handheld intelligent terminal in a WiFi or 4G wireless mode, and the handheld intelligent terminal is connected with the intelligent key in a Bluetooth or 4G wireless mode.
Preferably, the power distribution network ground wire site is provided with a unique identification code which is used for identifying the handheld intelligent terminal and corresponds to the position information one by one.
Preferably, the unique identification code is a two-dimensional code.
The invention also provides a control method of the power distribution network temporary grounding wire management system, which is characterized by comprising the following steps:
s10, data manufacturing, namely manufacturing contour line graphic data including ground line double-locking codes, operation logic and position two-dimensional code generation in a regulation center;
s20, starting operation, namely operating and triggering an operation process on the handheld intelligent terminal, and connecting with a control center, downloading and updating information of all grounding line equipment;
s30, confirming the position, namely manually inputting operation position information or scanning an identification code of the operation position on the handheld intelligent terminal, sending the information to a regulation and control center for examination and approval, and sending an authorized unlocking/locking instruction to the handheld intelligent terminal by the regulation and control center after the examination and approval is passed;
s40, confirming the state, namely reading the hanging/dismantling state of the grounding wire of the operation site by the intelligent key, and sending the state to the handheld intelligent terminal for comparison; if the state is inconsistent with the state of the update downloaded from the control center by the handheld intelligent terminal, giving a prompt; on the contrary, the handheld intelligent terminal issues an authorized unlocking/locking instruction to the intelligent key;
s50, unlocking/locking operation, namely, the intelligent key receives an unlocking/locking instruction issued by the handheld intelligent terminal and performs unlocking/locking operation on the intelligent lock on the operation site;
s60, state conversion, namely automatically switching a lock code value after the intelligent lock is unlocked or locked successfully, simultaneously reading the converted lock code value by the intelligent key and feeding the lock code value back to the handheld intelligent terminal, and confirming that the grounding wire hooking/detaching operation is successful by the handheld intelligent terminal;
and S70, returning-after the handheld intelligent terminal confirms that the operation is successful, returning back the grounding wire hanging/dismantling operation record to the regulation and control center.
Preferably, before the intelligent key reads the hanging/dismantling state of the ground wire of the operation site and sends the hanging/dismantling state to the handheld intelligent terminal for comparison, the current-state locking code of the intelligent lock on the site of the equipment of the operation ground wire is read, and whether the current-state locking code of the intelligent lock is consistent with the updated intelligent-lock locking code of the ground wire of the operation site downloaded from the regulation center is judged.
The power distribution network temporary grounding wire management system and the control method provided by the invention have the following advantages:
1. the information of all temporary grounding wires in the power distribution network is unified, and effective management is carried out;
2. the method effectively helps operators to quickly know the condition of the grounding wire of the power distribution network, and avoids the occurrence of misoperation accidents of power transmission with the grounding wire;
3. the safety and the stability of the power distribution network are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a temporary grounding wire management system of a power distribution network according to an embodiment of the present invention;
fig. 2 is a flowchart of a control method of a temporary ground wire management system of a power distribution network according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a power distribution network temporary grounding wire management system, which includes: regulation and control center, handheld intelligent terminal, intelligent key and intelligent lock. Wherein,
the control center stores all grounding wire graphic data in the power distribution network, including double locking codes, operation logic, position two-dimensional code generation and the like of the intelligent lock on the grounding wire site; the intelligent lock is used for monitoring and managing the data management of the grounding wire of the power distribution network, the opening and closing of the intelligent lock, auditing the grounding wire of the power distribution network and issuing lock code information.
The handheld intelligent terminal is used for downloading and updating all grounding wire equipment information from the regulation and control center, uploading the position information of the operating grounding wire of the power distribution network to the regulation and control center, issuing an authorized unlocking/locking instruction to the intelligent key, and transmitting the current hanging/dismantling state of the operating grounding wire of the power distribution network back to the regulation and control center.
The intelligent key is used for receiving an authorized unlocking/locking instruction issued by the handheld intelligent terminal, unlocking/locking the intelligent lock and feeding back the current lock code value of the intelligent lock to the handheld intelligent terminal.
The intelligent lock is a lock which can switch unlocking code values and locking code values and feed back the current lock code values to the intelligent key, is reliably arranged at two ends of a grounding wire and is used for locking on-site power distribution equipment; such as: the two ends of the ring buckle locks are respectively arranged at the two ends of the grounding wire, when the ring buckle locks are unlocked, one end of the grounding wire is connected to the grounding wire pile, and the other end of the grounding wire is hung on the overhead wire, so that the grounding wire is in a hanging state; when the grounding wire is in a locked state, the grounding wire is closed and cannot be hung, and the grounding wire is in a storage state.
Moreover, the control center is connected with the handheld intelligent terminal in a wireless mode, and the handheld intelligent terminal is connected with the intelligent key in a wireless mode, such as: the control center and the handheld intelligent terminal pass through: WiFi or 4G mode wireless connection, handheld intelligent terminal passes through bluetooth or 4G mode wireless connection with the intelligent key.
In addition, the power distribution network ground wire site is provided with unique identification codes which are used for being identified by the handheld intelligent terminal and correspond to the position information one by one, the unique identification codes can be two-dimensional codes, and the unique identification codes can be arranged on intelligent locks and other positions of the power distribution network ground wire site.
The invention provides a control method of a power distribution network temporary grounding wire management system, as shown in fig. 2, comprising the following steps:
and S10, data manufacturing, namely manufacturing the grounding line graph data comprising the grounding line double-locking code, the operation logic, the position two-dimensional code generation and the like in the control center.
And step S20, starting operation, namely operating and triggering the operation flow on the handheld intelligent terminal, and connecting with a control center, downloading and updating all grounding line equipment information.
And step S30, position confirmation, namely, manually inputting operation position information or scanning an identification code of the operation position on the handheld intelligent terminal, sending the operation position information or the identification code to a regulation and control center for approval, and issuing an authorized unlocking/locking instruction to the handheld intelligent terminal by the regulation and control center after approval is passed.
Step S40, state confirmation, wherein the intelligent key reads the hanging/dismantling state of the grounding wire in the operation site (for example, the intelligent key reads the code value of the intelligent lock to judge that the grounding wire is in the hanging state or the dismantling state, namely the open loop state is the hanging state and the closed loop state is the dismantling state), and sends the grounding wire to the handheld intelligent terminal for comparison; if the state is inconsistent with the state of the update downloaded from the control center by the handheld intelligent terminal, giving a prompt; and conversely, the handheld intelligent terminal issues an authorized unlocking/locking instruction to the intelligent key.
And step S50, unlocking/locking operation, namely, the intelligent key receives an unlocking/locking instruction issued by the handheld intelligent terminal and performs unlocking/locking operation on the intelligent lock on the operation site.
And step S60, state conversion, namely automatically switching the lock code value after the intelligent lock is successfully unlocked or locked, simultaneously reading the converted lock code value by the intelligent key and feeding the lock code value back to the handheld intelligent terminal, and confirming that the grounding wire hooking/detaching operation is successful by the handheld intelligent terminal.
And step S70, returning- -after the handheld intelligent terminal confirms that the operation is successful, returning the grounding wire hanging/dismantling operation record to the regulation and control center.
Therefore, the management system and the control method for the temporary grounding wires of the power distribution network can realize the information unification (including the hanging/dismantling state of all the grounding wires and the unlocking/locking state of the intelligent lock) of all the temporary grounding wires in the regulation center and the power distribution network, effectively help operators to quickly know the condition of the grounding wires of the power distribution network, and avoid the occurrence of misoperation accidents of power transmission with the grounding wires.
The invention also provides a control method of the power distribution network temporary grounding wire management system, which further comprises the following steps: before the intelligent key reads the hanging/dismantling state of the grounding wire of the operation field and sends the hanging/dismantling state to the handheld intelligent terminal for comparison, the current state locking code of the intelligent lock on the operation grounding wire equipment field is read, and whether the current state locking code of the intelligent lock is consistent with the updated intelligent lock locking code of the grounding wire of the operation field downloaded from the regulation center or not is judged.
Like this, through the dual affirmation to operation position and intelligent lock, further effectively avoid the emergence of maloperation to make the security and the stability of earthing for work line in the distribution network higher.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a distribution network earthing for work line management system which characterized in that includes: the intelligent lock comprises a regulation center, a handheld intelligent terminal, an intelligent key and an intelligent lock;
the control center is used for managing the data of the grounding wire of the power distribution network, monitoring and managing the opening and closing of the intelligent lock, auditing the grounding wire of the power distribution network for operation and issuing lock code information;
the handheld intelligent terminal is used for downloading and updating all grounding wire equipment information from the regulation center, uploading the position information of the operating grounding wire of the power distribution network to the regulation center, issuing an authorized unlocking/locking instruction to the intelligent key, and transmitting the current hanging/dismantling state of the operating grounding wire of the power distribution network back to the regulation center;
the intelligent key is used for receiving an authorized unlocking/locking instruction issued by the handheld intelligent terminal, unlocking/locking the intelligent lock and feeding back the current lock code value of the intelligent lock to the handheld intelligent terminal;
the intelligent lock is a lock which can switch unlocking code values and locking code values and feed back the current lock code values to the intelligent key, is reliably arranged at two ends of a grounding wire and is used for locking on-site power distribution equipment;
and the regulation and control center is connected with the handheld intelligent terminal in a wireless mode, and the handheld intelligent terminal is connected with the intelligent key in a wireless mode.
2. The power distribution network temporary grounding wire management system as claimed in claim 1, wherein the control center stores all grounding wire pattern data in the power distribution network.
3. The power distribution network temporary grounding wire management system of claim 1 or 2, wherein the control center is connected with a handheld intelligent terminal in a WiFi or 4G wireless manner, and the handheld intelligent terminal is connected with an intelligent key in a Bluetooth or 4G wireless manner.
4. The power distribution network temporary grounding wire management system as claimed in claim 1 or 2, wherein the power distribution network grounding wire site is provided with a unique identification code which is provided for the handheld intelligent terminal to identify and corresponds to the position information one by one.
5. The power distribution network temporary grounding wire management system of claim 4, wherein the unique identification code is a two-dimensional code.
6. A control method of a power distribution network temporary grounding wire management system is characterized by comprising the following steps:
s10, data manufacturing, namely manufacturing contour line graphic data including ground line double-locking codes, operation logic and position two-dimensional code generation in a regulation center;
s20, starting operation, namely operating and triggering an operation process on the handheld intelligent terminal, and connecting with a control center, downloading and updating information of all grounding line equipment;
s30, confirming the position, namely manually inputting operation position information or scanning an identification code of the operation position on the handheld intelligent terminal, sending the information to a regulation and control center for examination and approval, and sending an authorized unlocking/locking instruction to the handheld intelligent terminal by the regulation and control center after the examination and approval is passed;
s40, confirming the state, namely reading the hanging/dismantling state of the grounding wire of the operation site by the intelligent key, and sending the state to the handheld intelligent terminal for comparison; if the state is inconsistent with the state of the update downloaded from the control center by the handheld intelligent terminal, giving a prompt; on the contrary, the handheld intelligent terminal issues an authorized unlocking/locking instruction to the intelligent key;
s50, unlocking/locking operation, namely, the intelligent key receives an unlocking/locking instruction issued by the handheld intelligent terminal and performs unlocking/locking operation on the intelligent lock on the operation site;
s60, state conversion, namely automatically switching a lock code value after the intelligent lock is unlocked or locked successfully, simultaneously reading the converted lock code value by the intelligent key and feeding the lock code value back to the handheld intelligent terminal, and confirming that the grounding wire hooking/detaching operation is successful by the handheld intelligent terminal;
and S70, returning-after the handheld intelligent terminal confirms that the operation is successful, returning back the grounding wire hanging/dismantling operation record to the regulation and control center.
7. The control method of the power distribution network temporary grounding wire management system according to claim 6, wherein before the intelligent key reads the hanging/dismantling state of the grounding wire of the operation site and sends the state to the handheld intelligent terminal for comparison, the current state locking code of the intelligent lock on the site of the equipment of the operation grounding wire is read, and whether the current state locking code of the intelligent lock is consistent with the updated intelligent lock locking code of the grounding wire of the operation site downloaded from the control center is judged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810473318.XA CN108512313A (en) | 2018-05-17 | 2018-05-17 | A kind of power distribution network temporary grounding wire management system and control method |
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| CN201810473318.XA CN108512313A (en) | 2018-05-17 | 2018-05-17 | A kind of power distribution network temporary grounding wire management system and control method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109167434A (en) * | 2018-09-14 | 2019-01-08 | 广州供电局有限公司 | The numerical control management system of 10KV distribution network overhead line ground line |
| CN110379052A (en) * | 2019-07-03 | 2019-10-25 | 深圳供电局有限公司 | Unlocking method, unlocking application method, authorization method and management system |
| CN110474429A (en) * | 2019-09-11 | 2019-11-19 | 珠海优特电力科技股份有限公司 | Power distribution network power transmission Interlocking Methods and system |
| CN110705829A (en) * | 2019-09-06 | 2020-01-17 | 国网上海市电力公司 | Ground wire management method and system based on two-dimensional code and intelligent lock technology |
| CN114419870A (en) * | 2022-03-31 | 2022-04-29 | 长园共创电力安全技术股份有限公司 | Sensing acquisition system based on low-power-consumption wireless communication and communication method |
| CN114863593A (en) * | 2022-04-29 | 2022-08-05 | 珠海优特电力科技股份有限公司 | Control method and device for equipment operation authority, computer key and server |
| CN116316480A (en) * | 2023-03-21 | 2023-06-23 | 广东电网有限责任公司茂名供电局 | GIS-based topology error prevention method, system, medium and computer |
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| CN110379052A (en) * | 2019-07-03 | 2019-10-25 | 深圳供电局有限公司 | Unlocking method, unlocking application method, authorization method and management system |
| CN110705829A (en) * | 2019-09-06 | 2020-01-17 | 国网上海市电力公司 | Ground wire management method and system based on two-dimensional code and intelligent lock technology |
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| CN114419870A (en) * | 2022-03-31 | 2022-04-29 | 长园共创电力安全技术股份有限公司 | Sensing acquisition system based on low-power-consumption wireless communication and communication method |
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| CN114863593A (en) * | 2022-04-29 | 2022-08-05 | 珠海优特电力科技股份有限公司 | Control method and device for equipment operation authority, computer key and server |
| CN114863593B (en) * | 2022-04-29 | 2023-01-31 | 珠海优特电力科技股份有限公司 | Control method and device for operation authority of coal mine equipment, computer key and server |
| CN116316480A (en) * | 2023-03-21 | 2023-06-23 | 广东电网有限责任公司茂名供电局 | GIS-based topology error prevention method, system, medium and computer |
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