CN116455083B - Inspection management and control system for smart power grid - Google Patents

Inspection management and control system for smart power grid Download PDF

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Publication number
CN116455083B
CN116455083B CN202310555261.9A CN202310555261A CN116455083B CN 116455083 B CN116455083 B CN 116455083B CN 202310555261 A CN202310555261 A CN 202310555261A CN 116455083 B CN116455083 B CN 116455083B
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China
Prior art keywords
patrol
module
inspection
expert
library
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Active
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CN202310555261.9A
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Chinese (zh)
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CN116455083A (en
Inventor
金甲杰
秦浩
张蔚翔
甘德志
郭成英
李慧军
沈哲夫
丁一辛
刘志存
张宽杰
张必胜
廖添泉
邱兴卫
荣宗林
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Electric Power Research Institute of State Grid Anhui Electric Power Co Ltd
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Electric Power Research Institute of State Grid Anhui Electric Power Co Ltd
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Priority to CN202310555261.9A priority Critical patent/CN116455083B/en
Publication of CN116455083A publication Critical patent/CN116455083A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00002Circuit 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 monitoring
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00032Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The invention provides a patrol management and control system for a smart power grid, which is applied to the field of power grid safety, and realizes the management and control of a patrol process through a one-by-one orderly online management mechanism of patrol scheme generation, patrol expert on patrol scheme receiving, on-site patrol and patrol result uploading, so that the smooth progress of safety patrol is improved, on one hand, other external personnel are not easy to receive the patrol scheme and change patrol result data by setting an offline patrol shield as a medium for receiving the patrol scheme and storing and uploading the patrol result, on the other hand, the patrol expert needs to carry the patrol shield to carry out on-site patrol, upload the patrol result at a patrol place and in turn, and the condition that the next patrol place cannot be uploaded when the patrol result is not recorded is effectively reduced, and on the other hand, the realization of work responsibility is effectively realized through an online-offline combined mode, so that the work quality of the power grid is improved.

Description

Inspection management and control system for smart power grid
Technical Field
The application relates to the field of power grid safety, in particular to a patrol management and control system for a smart power grid.
Background
The internet of things technology plays a great role in the aspects of power grid construction, power grid safety production management, information acquisition, safety monitoring, metering, user interaction and the like, can comprehensively improve the information perception depth and breadth of each link of the intelligent power grid, and provides high-availability support for realizing the intellectualization of a power system and information flow, business flow and power flow.
Because the power grid is huge in related information and the safety state is particularly important, great importance is required to maintain the safe operation of the power grid, technological development also enables us to gradually change from latest single manual inspection to application of multi-aspect intelligent technology monitoring, but the inspection mode has great blind spot hidden danger although saving labor cost, so that the combination of intelligent monitoring technology and manual field inspection is still required in the actual environment, and higher guarantee is provided for the power grid safety.
However, in the existing process of manually carrying out on-site inspection on the power grid operation site, more irregular potential safety hazards exist, such as disordered management of inspection personnel, delayed inspection work, unidentified inspection personnel, missed inspection due to imprecise inspection system and the like, so that in order to further strengthen the implementation of the responsibility of safety production and based on informatization means, the application carries out overall process management and control of the safety inspection by developing a safety inspection system and adopting an on-line and off-line combined mode, thereby improving the smooth development process of the safety inspection work.
Disclosure of Invention
Compared with the prior art, the application provides a patrol management and control system for a smart grid, which comprises a multi-element database, a patrol issuing module, a patrol receiving module, a patrol result management module and a modification input module, wherein the multi-element database comprises a patrol scheme library, a patrol unit library, a patrol expert library and a member library, the patrol issuing module is used for generating a patrol scheme comprising patrol time, a patrol number, a member to be patrol, a patrol problem type and patrol expert information, sending corresponding patrol sheets to the member to be patrol and the member to be patrol, the patrol receiving module is used for the member to be patrol to confirm and receive the corresponding patrol scheme, uploading self-identity information and the received patrol sheets, the patrol result management module is used for the member to upload result data, and the modification module is used for the member to be patrol to upload modification content made according to the modification result and comprises patrol time, a support material, a modification support material and a responsibility time.
Further, the patrol scheme library is used for storing the patrol scheme generated by the patrol issuing module, the patrol unit library is used for storing a plurality of patrol unit information and all corresponding patrol specialists, the patrol unit library is used for storing a plurality of patrol unit information, and the patrol specialist library is used for storing the identity information of the patrol specialists and the patrol units to which the patrol specialists belong.
Further, the system also comprises an analoging and retuning module, wherein the analoging and retuning module is used for writing retuning and rectifying comments on the inspection problem by the inspection unit.
Optionally, the patrol expert connects the patrol receiving module and the patrol result management module through a patrol shield signal, the patrol shield comprises a single fingerprint library, a touch screen display module and an unlocking module, and the single fingerprint library is used for storing fingerprint information of the single patrol expert.
Optionally, the inspection shield further comprises a positioning uploading module and a state recording module, wherein the positioning uploading module is used for uploading the current position after the inspection expert arrives at the inspection place, the state recording module is used for recording the safety state of the power equipment at the inspection place by the inspection expert, and the state recording module and the positioning uploading module are started at intervals.
Optionally, the inspection shield includes the shield body, and shield body's upper end fixed mounting has the operating panel with touch screen display module electric connection, and shield body's both ends joint owner lid and vice lid respectively, and shield body is close to the one end fixedly connected with joint of owner lid.
Optionally, square annular groove and liquid storage groove have been seted up to the one end that shield body is close to vice block, and square annular groove is located the outside of liquid storage groove, and the notch department fixedly connected with of liquid storage groove extends to external imbibition cotton, and the one end fixedly connected with otter board that the external was kept away from to imbibition cotton, otter board fixedly connected with in the inside of liquid storage groove, the communicating notes liquid hole with the external world has been seted up to the inner wall of liquid storage groove.
Optionally, the inside sliding connection of square annular has the movable frame that extends to the external world, fixedly connected with a plurality of evenly distributed's compression spring between the inner of movable frame and the inner wall of square annular, and the length that the liquid absorption cotton is located the external world is greater than the length that the movable frame is located the external world under the initial condition.
Optionally, the inner groove is seted up to square ring groove's inner wall, and the inner wall fixedly connected with gasbag and air pressure sensor of inner groove, and the gasbag is located air pressure sensor's inside, and the gasbag extends to square ring groove inboard under the initial state.
Optionally, the inspection shield further comprises an identification recording module and an identification monitoring module, wherein the identification recording module and the identification monitoring module are electrically connected with the air pressure sensor.
Compared with the prior art, the application has the advantages that:
(1) According to actual needs, when a certain power grid unit needs to go to the power grid operation site for inspection manually in the field, the inspection and issuing module is operated to input inspection time, inspected units (namely the power grid units) and inspection problem types, and inspection specialists are specified, so that an inspection scheme with inspection numbers can be automatically generated, after the inspection specialists confirm and receive the inspection scheme, the inspection specialists go to the inspected units to inspect the power grid operation site needing inspection in the field, and upload inspection results, the inspected units carry out improvement on the power grid facilities with problems according to the inspection results, after the improvement is completed, the improvement and input module is used to input the content of the improvement measures made at the time, and the safety inspection whole process management and control are realized through the on-line management mechanism, so that the safety inspection work is smoothly carried out.
(2) By setting the patrol shields as media for receiving the patrol schemes, storing the patrol results and uploading the patrol results, on one hand, one-to-one belongings between the patrol shields and the patrol specialists are realized, other external personnel are not easy to trade and naturally receive the patrol schemes and change the patrol result data, on the other hand, the patrol specialists need to carry the patrol shields to carry out field patrol, after the patrol specialists reach the patrol places, fingerprint unlocking is needed for carrying out later position uploading operation on the patrol shields, the occurrence of the situation of other people for carrying out the alternative patrol is effectively reduced, and after the patrol specialists upload the current patrol places, the state recording module is randomly started, so that after the patrol specialists need to input the patrol results, the positioning uploading module can be started again for uploading records of the next patrol places, the situation of other people is further reduced, and meanwhile, the situation of leakage is also reduced.
(3) When an inspection expert finds a problem point in the field inspection process, the liquid-absorbing cotton absorbing the colored liquid can be contacted with the power grid facilities with problems to mark the abnormal power grid facilities, so that the inspection agency can find and confirm the problem point conveniently.
(4) The method is characterized in that the formation of the patrol expert marks is recorded through the air pressure sensor, when the air pressure data is changed from the stable value to the initial stable value, the patrol expert is considered to finish one-time marking, the number of times is recorded through the identification recording module, when the patrol expert uploads the patrol result, the identification number of times information recorded by the identification recording module can be synchronously uploaded to the patrol result management module along with the patrol result information in the state recording module, so that the patrol unit combines the patrol result and the marking number, and the problem point can be searched and confirmed more quickly.
Drawings
FIG. 1 is a system diagram of the present application;
FIG. 2 is a flow chart of the present application;
FIG. 3 is a system diagram of the inspection shield of the present application;
FIG. 4 is a perspective view of the inspection shield of the present application;
FIG. 5 is a second perspective view of the inspection shield of the present application;
FIG. 6 is a partial perspective view of the inspection shield of the present application;
FIG. 7 is a schematic side view of the inspection shield of the present application;
FIG. 8 is a schematic view of a partial side structure of the inspection shield of the present application;
FIG. 9 is a schematic view of a partial side structure of the inspection shield in use according to embodiment 4 of the present application;
fig. 10 is a schematic top structure of the inspection shield according to the present application.
The reference numerals in the figures illustrate:
1 shield body, 101 operating panel, 102 square annular groove, 103 reservoir, 2 main block, 3 vice block, 4 connect, 5 movable frame, 6 imbibition cotton, 7 compression spring, 8 gasbag, 9 air pressure sensor, 10 otter board.
Detailed Description
The embodiments of the present application will be described in detail and fully with reference to the accompanying drawings, and it is intended that all other embodiments of the application, which are apparent to one skilled in the art without the inventive faculty, are included in the scope of the present application.
Example 1:
the invention provides a patrol management and control system for a smart grid, referring to fig. 1, comprising a multi-element database, a patrol issuing module, a patrol receiving module, a patrol result management module and a rectification input module, wherein the multi-element database comprises a patrol scheme library, a patrol unit library, a patrol expert library and a checked unit library.
The patrol issuing module is used for generating a patrol scheme comprising patrol time, patrol number, a patrol organization, patrol problem type and patrol expert information, and issuing corresponding patrol notices to the patrol organization and the patrol expert;
the patrol receiving module is used for the patrol expert to confirm and receive the corresponding patrol scheme and upload the self identity information and the received patrol notification;
the patrol result management module is used for uploading patrol result data by patrol specialists;
the correction input module is used for uploading correction measure contents made by the patrol unit according to the patrol result, wherein the correction measure contents comprise correction contents, correction supporting materials, correction responsibility people and correction completion time.
The inspection scheme library is used for storing the inspection scheme generated by the inspection issuing module, the inspection unit library is used for storing a plurality of inspection unit information and all inspection specialists corresponding to the plurality of inspection unit information, the inspected unit library is used for storing a plurality of inspected unit information, and the inspection specialist library is used for storing the identity information of the inspection specialists and the inspection units to which the inspection specialist information belongs.
Referring to fig. 2, the inspection process of the inspection management and control system is as follows:
1. according to actual needs, when a certain power grid unit needs to go to a power grid operation site for patrol, a patrol issuing module is operated to input patrol time, a patrol unit (namely the power grid unit) and patrol problem types, and a patrol expert is designated, so that a patrol scheme with a patrol number can be automatically generated;
2. After the patrol scheme is generated, the patrol issuing module automatically issues a patrol notification list to a patrol organization and a specified patrol expert, the patrol expert enters the patrol management and control system, and the patrol scheme is confirmed and received through the patrol receiving module;
3. the patrol expert goes to the patrol unit to carry out field patrol on the power grid operation site needing to be patrol;
4. The patrol expert uploads the patrol result through the patrol result management module;
5. and the patrol unit carries out rectification on the power grid facilities with problems according to the patrol result, and after rectification is completed, the rectification measure content which is made at the time is input through the rectification input module.
The inspection management and control system also comprises an analoging and countercheck module, wherein the analoging and countercheck module is used for filling countercheck and correction comments on the inspection problem by an inspection unit, so that analysis of the cause of the problem can be conveniently carried out, and the occurrence rate of the problem of the same type is reduced.
Example 2:
The embodiment adds an auxiliary patrol facility under the line of the patrol shield on the basis of the embodiment 1, and the auxiliary patrol facility is specifically as follows: referring to fig. 3, the patrol expert connects the patrol receiving module and the patrol result management module through the patrol shield signal, the patrol shield includes a single fingerprint library, a touch screen display module and an unlocking module, the single fingerprint library is used for storing fingerprint information of the single patrol expert, so that one-to-one operation is realized between the patrol shield and the patrol expert, and the patrol shield can be used as identity authentication of the patrol expert.
Referring to fig. 3, the inspection shield further includes a positioning uploading module and a state recording module, and in combination with fig. 2, the positioning uploading module is used for uploading the current location position after the inspection expert arrives at the inspection location, the state recording module is used for recording the safety state of the power equipment at the inspection location by the inspection expert, and the state recording module and the positioning uploading module are started at intervals.
Firstly, the patrol shields are arranged as the medium for receiving the patrol scheme, storing the patrol results and uploading the patrol results, so that the patrol specialists need to carry the patrol shields to carry out field patrol, and after the patrol specialists reach the patrol places, the patrol shields need to be subjected to fingerprint unlocking so as to carry out later position uploading operation, and the occurrence of the condition of other people for substituted patrol is effectively reduced;
Secondly, after the patrol expert uploads the current patrol place, the state recording module is randomly started, so that the patrol expert can start the positioning uploading module again after inputting the patrol result, and upload recording of the next patrol place is performed, thereby further reducing the condition of other people for substituted investigation and simultaneously reducing the condition of missed investigation.
Referring to fig. 4 and 5, the inspection shield includes a shield body 1, an operation panel 101 electrically connected with a touch screen display module is fixedly mounted at the upper end of the shield body 1, a main cap 2 is clamped at one end of the shield body 1, a connector 4 is fixedly connected at one end of the shield body 1 close to the main cap 2, and the main cap 2 is located at the outer side of the connector 4 and plays a role in protecting the connector 4.
When the inspection system is used, the inspection expert conveniently enters the inspection management and control system through the connection 4 and is connected with a computer provided with the inspection management and control system, inspection scheme is confirmed and received, inspection result data are uploaded later, and other external personnel cannot easily trade and naturally receive the inspection scheme and change the inspection result data through one-to-one belongings between the inspection shield and the inspection expert.
Example 3:
the present embodiment adds the following structure on the basis of embodiment 2: referring to fig. 6 and 7, an end of the shield body 1 far away from the main cap 2 is clamped with the auxiliary cap 3, one end of the shield body 1 close to the auxiliary cap 3 is provided with a liquid storage tank 103, a notch of the liquid storage tank 103 is fixedly connected with liquid-absorbing cotton 6 extending to the outside, one end of the liquid-absorbing cotton 6 far away from the outside is fixedly connected with a screen 10 as shown in fig. 8, the screen 10 is fixedly connected with the inside of the liquid storage tank 103, and the inner wall of the liquid storage tank 103 is provided with a liquid injection hole (shown in fig. 10) communicated with the outside.
Color liquid (inorganic pigment solution can be adopted) is added into the liquid storage tank 103 through the liquid injection hole, the liquid injection hole is plugged through the bolt, the color liquid is stored in the liquid storage tank 103 and absorbed by the liquid absorbing cotton 6 through the screen 10, so that the liquid absorbing cotton 6 is dyed, when an inspection expert finds out a problem point in the field inspection process, the liquid absorbing cotton 6 can be contacted with a power grid facility with the problem, the abnormal power grid facility is marked, and the problem point can be conveniently searched and confirmed by an inspection unit.
Example 4:
The present embodiment adds the following structure on the basis of embodiment 3: referring to fig. 6 and 8, one end of the shield body 1, which is close to the auxiliary cap 3, is further provided with a square ring groove 102 located at the outer side of the liquid storage groove 103, a movable frame 5 extending to the outside is slidably connected in the square ring groove 102, a plurality of uniformly distributed compression springs 7 are fixedly connected between the inner end of the movable frame 5 and the inner wall of the square ring groove 102, the length of the liquid absorbing cotton 6 located at the outside in an initial state is larger than that of the movable frame 5 located at the outside, an inner groove is formed in the inner wall of the square ring groove 102, an air bag 8 and an air pressure sensor 9 are fixedly connected to the inner wall of the inner groove, the air bag 8 is located in the air pressure sensor 9, the air bag 8 extends to the inner side of the square ring groove 102 in an initial state, and the inspection shield further comprises an identification recording module and an identification monitoring module, wherein the identification recording module and the identification monitoring module are electrically connected with the air pressure sensor 9.
As shown in fig. 9, through the arrangement of the above structure, when the electric network facility is marked with a problem by using the liquid-absorbing cotton 6, the movable frame 5 outside the liquid-absorbing cotton 6 is extruded by the electric network facility and enters the square ring groove 102 until the movable frame 5 is flush with the liquid-absorbing cotton 6, so that the contact between the liquid-absorbing cotton 6 and the electric network facility is realized, the movable frame 5 extrudes the air bag 8 to cause the elastic deformation of the air bag 8 in the process that the movable frame 5 enters the square ring groove 102, and the internal air pressure of the air bag is changed, therefore, when the air pressure sensor 9 detects that the air pressure data greatly fluctuates, the inspection expert is indicated to have a problem marking action, after the marking is completed, the movable frame 5 moves outwards to the initial position under the elastic recovery of the compression spring 7, in the process, when the air pressure data changes from the stable value until the data becomes the initial stable value again, the inspection expert is regarded as finishing one marking action, and the number of times is recorded by the marking recording module.
When the patrol expert uploads the patrol result, the identification frequency information recorded by the identification recording module is synchronously uploaded to the patrol result management module along with the patrol result information in the state recording module, so that the patrol unit combines the patrol result and the marking frequency, and the problem point can be searched and confirmed more quickly.
In addition, when the data monitored by the long-time air pressure sensor 9 do not return to the initial value, the movable frame 5 does not return to the initial state extending outwards for a long time, at the moment, the identification monitoring module can give out an audible alarm to prompt the inspection expert to have an abnormal fault on the movable frame 5, and the identification monitoring module can record the abnormal condition and upload the abnormal condition synchronously along with the inspection result, so that bad autonomous behaviors of the inspection expert, such as maliciously damaging the state of the movable frame 5 and performing random marking, are effectively reduced.
The foregoing is merely illustrative of the best modes of carrying out the application in connection with the actual requirements, and the scope of the application is not limited thereto.

Claims (4)

1. The system is characterized by comprising a multi-element database, a patrol issuing module, a patrol receiving module, a patrol result management module and a modification input module, wherein the multi-element database comprises a patrol scheme library, a patrol unit library, a patrol expert library and a patrol unit library, the patrol issuing module is used for generating a patrol scheme comprising patrol time, a patrol number, a patrol unit, a patrol question type and patrol expert information, and sending corresponding patrol notices to the patrol unit and the patrol expert, the patrol receiving module is used for the patrol expert to confirm and receive the corresponding patrol scheme, upload self-identity information and the received patrol notices, the patrol result management module is used for the patrol expert to upload patrol result data, and the modification module is used for the patrol unit to upload modification measure contents made according to the patrol result, and the modification measure contents comprise modification contents, modification support materials, modification responsibility people and modification completion time;
The inspection expert is connected with the inspection receiving module and the inspection result management module through inspection shield signals, the inspection shield comprises a single fingerprint library, a touch screen display module and an unlocking module, the single fingerprint library is used for storing fingerprint information of a single inspection expert, the inspection shield further comprises a positioning uploading module and a state recording module, the positioning uploading module is used for uploading the current position of the inspection expert after the inspection expert arrives at an inspection place, the state recording module is used for recording the safety state of power equipment at the inspection place by the inspection expert, and the state recording module and the positioning uploading module are started at intervals;
The inspection shield comprises a shield body (1), an operation panel (101) electrically connected with a touch screen display module is fixedly arranged at the upper end of the shield body (1), a main cover cap (2) and an auxiliary cover cap (3) are respectively clamped at two ends of the shield body (1), a joint (4) is fixedly connected with one end, close to the main cover cap (2), of the shield body (1), a square ring groove (102) and a liquid storage groove (103) are formed in one end, close to the auxiliary cover cap (3), of the shield body (1), the square ring groove (102) is located at the outer side of the liquid storage groove (103), liquid absorbing cotton (6) is fixedly connected with a screen plate (10) at the notch of the liquid storage groove (103), the screen plate (10) is fixedly connected with the inner side of the liquid storage groove (103), liquid injection holes communicated with the outer side are formed in the inner wall of the liquid storage groove (103), a square ring groove (102) is fixedly connected with an air bag sensor (8) and an air bag sensor (8) which is located at the inner side of the air bag (8) and an initial air bag (8) is located at the inner side of the inspection shield module, the air bag module is further recorded under the condition of the air bag module, the identification recording module and the identification monitoring module are electrically connected with the air pressure sensor (9).
2. The system according to claim 1, wherein the patrol scheme library is configured to store a patrol scheme generated by a patrol issue module, the patrol unit library is configured to store a plurality of patrol unit information and all corresponding patrol specialists, the unit library is configured to store a plurality of unit information, and the patrol specialist library is configured to store the identity information of the patrol specialist and the patrol unit to which the patrol specialist belongs.
3. The inspection management and control system for a smart grid according to claim 1, further comprising an analoging and countercheck module, wherein the analoging and countercheck module is used for countercheck and correction opinion filling of the inspection problem by an inspection unit.
4. The inspection management and control system for the smart grid according to claim 1, wherein a movable frame (5) extending to the outside is slidably connected in the square ring groove (102), a plurality of uniformly distributed compression springs (7) are fixedly connected between the inner end of the movable frame (5) and the inner wall of the square ring groove (102), and the length of the liquid absorbing cotton (6) located at the outside in an initial state is larger than that of the movable frame (5) located at the outside.
CN202310555261.9A 2023-05-17 2023-05-17 Inspection management and control system for smart power grid Active CN116455083B (en)

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CN112014469A (en) * 2020-08-26 2020-12-01 袁丽萍 Engineering construction safety inspection handheld device
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Publication number Priority date Publication date Assignee Title
CN102152671A (en) * 2010-12-11 2011-08-17 成都方程式电子有限公司 Fingerprint identifying stamp
CN106203055A (en) * 2016-07-01 2016-12-07 胡金钱 Intelligence seal
CN111682638A (en) * 2020-04-17 2020-09-18 南京大全自动化科技有限公司 Mobile operation and maintenance device and method based on distribution transformer terminal
CN112749877A (en) * 2020-12-16 2021-05-04 匠人智慧(江苏)科技有限公司 Intelligent community daily patrol management system and method
CN116073520A (en) * 2023-03-06 2023-05-05 国网四川省电力公司电力科学研究院 Power grid inspection method and device, electronic equipment and storage medium

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