CN116316402B - Leakage protection system - Google Patents
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- CN116316402B CN116316402B CN202310577418.8A CN202310577418A CN116316402B CN 116316402 B CN116316402 B CN 116316402B CN 202310577418 A CN202310577418 A CN 202310577418A CN 116316402 B CN116316402 B CN 116316402B
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- 238000012544 monitoring process Methods 0.000 claims abstract description 69
- 230000001012 protector Effects 0.000 claims abstract description 54
- 230000008859 change Effects 0.000 claims abstract description 11
- 230000002159 abnormal effect Effects 0.000 claims description 22
- 238000013500 data storage Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 13
- 239000000284 extract Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000006855 networking Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 15
- 238000013461 design Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
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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
- H02J13/00001—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 display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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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
- H02J13/00002—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 monitoring
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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
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Computation (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Human Computer Interaction (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention provides a leakage protection system, which relates to the technical field of leakage protection and comprises a leakage protection module, wherein the leakage protection module comprises a power supply configured to supply power, a voltage transformer configured to detect circuit voltage, a leakage protector configured to perform leakage protection, a relay configured to cooperate with the leakage protector to perform power-off operation, a current transformer configured to detect current in a circuit and a load, and a monitoring module configured to monitor the leakage protection module is arranged on the leakage protection module. According to the invention, video pictures, temperature change data, voltage change data, current change data and on-off conditions of the leakage protector in the operation process of the leakage protection system are collected through the designed sub-servers, and are uploaded to a server cloud for online monitoring through the data export module and the gateway module.
Description
Technical Field
The invention relates to the technical field of leakage protection, in particular to a leakage protection system.
Background
The leakage protection system is an electrical safety device for detecting and rapidly cutting off the power supply when the leakage occurs, so as to prevent the occurrence of electric shock accidents. Leakage protection systems typically include a leakage protector or ground protector that detects leakage current in the circuit and automatically shuts off power when a set point is reached. The electric leakage protection system has the main function of protecting personal safety and equipment from being damaged by accidents such as electric shock, fire disaster and the like. When the electrical equipment is in electric leakage, the electric leakage protection system can cut off the power supply immediately, so that current is prevented from flowing into the ground or other conductors through a human body, and electric shock accidents are avoided. In addition, the leakage protection system can also reduce the risk of overload of the circuit and improve the safety and reliability of electric equipment.
In the normal use process of the existing leakage protection system, when conditions such as maintenance and leakage overhaul are met, various equipment information in a circuit is checked and discharged in the field in general cases, the leakage condition of the circuit can be known through a network by the leakage protection, but the conditions that the leakage condition and the normal condition are not subjected to data monitoring and collecting exist in the above manner, so that the condition that fault tracing is difficult is possibly caused, and most of circuit data is recorded on site by a maintainer, so that time difference exists when different data are collected, the clarity of information recording cannot be ensured, and improvement exists.
Disclosure of Invention
The invention aims to improve the problems, and provides a leakage protection system, which collects and records data in the leakage protection system in a time stamp establishing mode, is convenient for maintenance personnel to trace faults and improves the efficiency of information recording.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a leakage protection system comprising a leakage protection module, the leakage protection module comprising a power supply configured to supply power, a voltage transformer configured to detect a circuit voltage, a leakage protector configured to perform leakage protection, a relay configured to cooperate with the leakage protector to perform a power-off operation, a current transformer configured to detect a current in the circuit, and a load, an output end of the power supply being electrically connected to an input end of the leakage protector, an output end of the leakage protector being electrically connected to the load, the voltage transformer being connected in series between the power supply and the leakage protector, the current transformer being connected in series between the leakage protector and the load, the relay being connected in series between the leakage protector and the current transformer;
the earth leakage protection module is installed with the monitoring module that is configured to monitor to earth leakage protection module, the monitoring module includes: an on-off detection unit configured to detect on-off conditions of the earth leakage protector, a video monitoring module configured to perform video monitoring, a temperature monitoring module configured to perform temperature monitoring, a data export module configured to export data, a data storage module configured to store data, a gateway module configured to perform networking, a time editing module configured to establish a time stamp, and a sub-server configured to perform overall control;
the sub-servers are also connected with a ground resistance tester in a signal way.
In an embodiment, the on-off detection unit includes a photodiode configured to detect an on-off state of the earth leakage protector and a photoresistor sensor configured to detect an on-off condition of the photodiode.
In one embodiment, the sub-server receives data signals from the video monitoring module, the temperature monitoring module, the voltage transformer, the current transformer, the photoresistor sensor, and the ground resistance tester.
In an embodiment, the monitoring module, the leakage protection module and the ground resistance tester further comprise an installation step and an operation step, wherein the operation step comprises a normal state and a leakage state.
In one embodiment, the operating step includes:
s1, transmitting signals of the voltage transformer and the current transformer in the leakage protection module to the sub-server;
s2, connecting a photodiode in parallel on the leakage protector, and placing the photoresistor sensor and the photodiode in the same dark environment;
s3, aligning a monitoring picture of the video monitoring module to the leakage protector, and simultaneously aligning a detection point of the temperature monitoring module to a wiring position of the quasi-leakage protector;
s4, opening a circuit.
In an embodiment, the normal state comprises the steps of:
a1, the photoresistor sensor transmits no light signal to the sub-server, the voltage transformer and the current transformer transmit detected corresponding signals to the sub-server, and the video monitoring module and the temperature monitoring module transmit detected picture information and temperature information to the sub-server;
a2, while the video monitoring module, the temperature monitoring module, the voltage transformer, the current transformer and the photoresistor sensor conduct signal data to the sub-server, a time stamp is built by the time editing module, a sub-item data folder is built by the sub-server according to the time stamp, monitoring data received by the sub-server at the same time point are packaged, and the monitoring data are sent to the data export module;
a3, the data export module sends the packed sub-item data folders to the gateway module and the data storage module respectively, the gateway module sends the sub-item data folders to a server cloud, and the data storage module stores the sub-item data folders.
In one embodiment, the leakage state comprises the steps of:
b1, disconnecting a circuit of the leakage protector, detecting brightness change by the photoresistor sensor and sending information to a sub-server, transmitting a leakage signal to a cloud end of the server by the sub-server through the data export module and the gateway module, sending a time stamp establishing instruction to the time editing module, establishing a second time axis, and collecting video information, temperature information, voltage information and current information in the time point to establish an abnormal data folder;
b2, checking the grounding protection device by using the grounding resistance tester, and synchronously transmitting data to a sub-server by using the grounding resistance tester;
b3, when the sub-server is connected to the grounding resistance tester, the sub-server sends a time stamp establishment instruction to the time editing module, video information, temperature information, voltage information, current information and photoresistance sensing information in the time point are collected, an obstacle removal log data folder is established under the abnormal data folder, and meanwhile, marking is carried out on time nodes corresponding to a first time axis and a second time axis;
b4, removing signal connection between the grounding resistance tester and the sub-server, at the moment, the sub-server issues a time stamp establishment instruction to the time editing module, collects video information, temperature information, voltage information, current information and photoresistance sensing information in the time point, establishes a work log data folder under the abnormal data folder, and marks corresponding time nodes of the first time axis and the second time axis;
and B5, the sub-server extracts the data of the second time axis in the time editing module, and puts the data of the second time axis into the abnormal data folder, and the sub-server sends the abnormal data folder to the gateway module for uploading through the data export module and simultaneously sends the abnormal data folder to the data storage module for storage.
In an embodiment, in the step B5, the sub-server uses the abnormal data folder as a parent data folder, and places the obstacle avoidance log data folder and the work log data folder as child data folders therein.
In one embodiment, the time editing module automatically establishes a time axis in the operation step, and marks corresponding points of the time axis when receiving the time stamp establishment instruction from the sub server.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, video pictures, temperature change data, voltage change data, current change data and on-off conditions of the leakage protection system in the operation process are collected through the designed sub-servers, and are uploaded to the cloud of the server through the data export module and the gateway module for on-line monitoring.
Drawings
FIG. 1 is a system block diagram of a leakage protection system according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a leakage protection system according to an embodiment of the invention;
FIG. 3 is a schematic flow chart of a leakage protection system according to an embodiment of the present invention;
fig. 4 is a schematic flow chart of a leakage protection system according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Example 1
As shown in fig. 1, the present invention provides a technical solution: an earth leakage protection system comprises an earth leakage protection module, wherein the earth leakage protection module comprises a power supply configured to supply power, a voltage transformer configured to detect circuit voltage, an earth leakage protector configured to conduct earth leakage protection, a relay configured to cooperate with the earth leakage protector to conduct outage operation, a current transformer configured to detect current in the circuit, and a load, an output end of the power supply is electrically connected with an input end of the earth leakage protector, an output end of the earth leakage protector is electrically connected with the load, the voltage transformer is connected between the power supply and the earth leakage protector in series, the current transformer is connected between the earth leakage protector and the load in series, the relay is connected between the earth leakage protector and the current transformer in series, a monitoring module configured to monitor the earth leakage protection module is mounted on the earth leakage protection module, and comprises an on-off detection unit configured to detect on-off conditions of the earth leakage protector, a video monitoring module configured to conduct video monitoring, a temperature monitoring module configured to conduct temperature monitoring, a data export module configured to export data, a data storage module configured to store the data, a gateway module configured to conduct networking, a time editing module configured to establish time and a total service module configured to edit time stamp.
The on-off detection unit comprises a photodiode configured to detect the on-off state of the leakage protector and a photoresistor sensor configured to detect the on-off condition of the photodiode.
The sub-server is also connected with a ground resistance tester in a signal manner, and receives data signals from the video monitoring module, the temperature monitoring module, the voltage transformer, the current transformer, the photoresistor sensor and the ground resistance tester.
In this embodiment, the time editing module that designs carries out time classification through the information that divides the server to receive, made things convenient for maintenance personal to look over in the server high in the clouds directly, and the data storage module of design is in order to store data when the data of gateway module goes out and present trouble, voltage and electric current data in the circuit have been collected in this system, and still utilize video monitoring module and temperature monitoring module to carry out video monitoring and temperature monitoring to earth leakage protector's specific operational aspect, make things convenient for maintenance personal to combine voltage data, electric current data, video data and temperature data to know earth leakage protector's whole operational state, increase the understanding to the earth leakage condition, make things convenient for maintenance personal to carry out more accurate maintenance.
Example 2
As shown in fig. 1 and 2, the monitoring module, the leakage protection module and the ground resistance tester further comprise an installation step and an operation step, wherein the operation step comprises a normal state and a leakage state, the time editing module automatically establishes a time axis in the operation step, and marks corresponding points of the time axis when receiving a time stamp establishment instruction from the server;
the operation steps comprise:
s1, transmitting signals of a voltage transformer and a current transformer in a leakage protection module to a sub-server;
s2, connecting a photodiode in parallel with the leakage protector, and placing the photoresistor sensor and the photodiode in the same dark environment;
s3, aligning a monitoring picture of the video monitoring module with the leakage protector, and aligning a detection point of the temperature monitoring module with a wiring position of the leakage protector;
s4, opening a circuit for use;
in the operation steps, the voltage transformer and the current transformer are connected to the sub-server through signal transmission, so that the sub-server can acquire the voltage and current states of the circuit at any time, the on-off detection unit additionally arranged on the leakage protector can acquire the on-off condition of the leakage protector, and the video monitoring module and the temperature monitoring module can transmit the video monitoring picture and the temperature monitoring data of the leakage protector to the sub-server.
And, as shown in fig. 3, the normal state includes the steps of:
a1, because the leakage protector keeps a closed state in a normal state, the photodiode can be kept in an off state at the moment, so that the photoresistor sensor can transmit no light signal to the sub-server, the voltage transformer and the current transformer transmit detected corresponding signals to the sub-server, and the video monitoring module and the temperature monitoring module transmit detected picture information and temperature information to the sub-server;
a2, while the video monitoring module, the temperature monitoring module, the voltage transformer, the current transformer and the photoresistor sensor conduct signal data to the sub-servers, a time editing module establishes a time stamp, the sub-servers establish a sub-item data folder according to the time stamp, and monitoring data received by the sub-servers at the same time point are packaged and sent to a data export module;
and A3, the data export module sends the packed sub-item data folders to the gateway module and the data storage module respectively, the gateway module sends the sub-item data folders to the cloud end of the server, and the data storage module stores the sub-item data folders.
In the normal state operation step, a maintenance person can set a function of establishing a time stamp in the time editing module, the sub-server acquires video monitoring data, temperature monitoring data, voltage data, current data and on-off data of the leakage protector and establishes a sub-item data folder when the time stamp is established, meanwhile, the data are put into the corresponding sub-item data folder, the folders are ordered according to a time axis sequence established by the time editing module, meanwhile, the data acquired by the sub-server in the time point are conducted to the gateway module through the data export module and uploaded to the cloud end of the server, and the data export module further sends corresponding data to the data storage module for storage.
Meanwhile, as shown in fig. 4, the leakage state includes the steps of:
b1, firstly, disconnecting a circuit of a leakage protector, at the moment, lighting a photodiode, detecting brightness change by a photoresistor sensor, sending information to a sub-server, firstly, transmitting a leakage signal to a server cloud through a data export module and a gateway module by the sub-server, simultaneously sending a time stamp establishing instruction to a time editing module, establishing a second time axis, and simultaneously collecting video information, temperature information, voltage information and current information in the time point, and establishing an abnormal data folder;
b2, checking the ground protection device by using a ground resistance tester when a maintainer arrives at the site to remove the fault, and synchronously transmitting data to the sub-server by using the ground resistance tester;
b3, when the sub-server is connected with the grounding resistance tester, the sub-server sends a time stamp establishment instruction to the time editing module, video information, temperature information, voltage information, current information and photoresistance sensing information in the time point are collected, an obstacle removal log data folder is established under the abnormal data folder, and meanwhile, the corresponding time nodes of the first time axis and the second time axis are marked;
after the maintenance personnel leak electricity and remove the obstacle, removing the signal connection between the ground resistance tester and the sub-server, sending a time stamp establishment instruction to the time editing module by the sub-server, collecting video information, temperature information, voltage information, current information and photoresistor sensing information in the time point, establishing a work log data folder under an abnormal data folder, and marking corresponding time nodes of the first time axis and the second time axis;
the sub-server extracts the data of the second time axis in the time editing module, and puts the data recorded by the second time axis into an abnormal data folder, and the sub-server sends the abnormal data folder to the gateway module for uploading and simultaneously sends the abnormal data folder to the data storage module for storage through the data export module, wherein the sub-server takes the abnormal data folder as a master data folder, and puts the obstacle removal log data folder and the work log data folder as sub-data folders into the master data folder;
in the operation step of the electric leakage state, according to the time axis establishment function in the time editing module and the daily monitoring data items established by the sub-servers, in the electric leakage state, the time editing module firstly detects the disconnection condition of the electric leakage protector through the on-off detection unit, and the detection result is 'disconnection', under the signal, the sub-servers actively issue a time stamp establishment instruction to the time editing module, at the moment, the time editing module marks 'abnormality' on the corresponding time node on the time axis, and establishes a second time axis from the time point, and the detected time node and the maintenance time node of the abnormality condition are related to the second time axis, so that the specific condition during maintenance can be intuitively observed in the abnormal data folder, the specific condition in the maintenance task can be judged according to the corresponding data change condition recorded in the time axis, and the fault tracing operation of subsequent maintenance personnel is greatly facilitated.
Working principle:
as shown in fig. 1, the invention realizes the video data acquisition, the temperature data acquisition and the on-off state grasp of the leakage protector in the leakage protection system through the set video monitoring module, the temperature monitoring module and the on-off detection unit, and the split data integration based on the time point is carried out through the designed time editing module for the video data, the temperature data, the voltage data, the current data and the on-off state of the leakage protector received by the split server, and the time editing module establishes the design of the second time axis so as to record the specific data change in the fault time period and uniformly arrange the data, thereby facilitating the follow-up maintenance personnel to carry out the work of leakage fault removal according to the specific maintenance history record data and also facilitating the maintenance personnel to carry out fault tracing.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (5)
1. A leakage protection system comprising a leakage protection module including a power source configured to supply power, a voltage transformer configured to detect a circuit voltage, a leakage protector configured to perform leakage protection, a relay configured to operate in conjunction with the leakage protector to power down, a current transformer configured to detect a current in the circuit, and a load, characterized in that: the output end of the power supply is electrically connected with the input end of the leakage protector, the output end of the leakage protector is electrically connected with the load, the voltage transformer is connected in series between the power supply and the leakage protector, the current transformer is connected in series between the leakage protector and the load, and the relay is connected in series between the leakage protector and the current transformer;
the earth leakage protection module is installed with the monitoring module that is configured to monitor to earth leakage protection module, the monitoring module includes: an on-off detection unit configured to detect on-off conditions of the leakage protector, a video monitoring module configured to perform video monitoring, a temperature monitoring module configured to perform temperature monitoring, a data export module configured to export data, a data storage module configured to store the data, a gateway module configured to perform networking, a time editing module configured to establish a time stamp, and a sub-server configured to perform overall control, wherein the sub-server is in signal connection with a ground resistance tester;
the on-off detection unit comprises a photodiode configured to detect the on-off state of the leakage protector and a photoresistor sensor configured to detect the on-off condition of the photodiode;
the sub-server receives data signals from the video monitoring module, the temperature monitoring module, the voltage transformer, the current transformer, the photoresistor sensor and the grounding resistance tester;
the monitoring module, the leakage protection module and the ground resistance tester also comprise an installation step and an operation step, wherein the operation step comprises a normal state and a leakage state;
wherein, the operation steps include:
s1, transmitting signals of the voltage transformer and the current transformer in the leakage protection module to the sub-server;
s2, connecting a photodiode in parallel on the leakage protector, and placing the photoresistor sensor and the photodiode in the same dark environment;
s3, aligning a monitoring picture of the video monitoring module to the leakage protector, and aligning a detection point of the temperature monitoring module to a wiring position of the leakage protector;
s4, opening a circuit.
2. The earth leakage protection system of claim 1, wherein: the normal state includes the steps of:
a1, the photoresistor sensor transmits no light signal to the sub-server, the voltage transformer and the current transformer transmit detected corresponding signals to the sub-server, and the video monitoring module and the temperature monitoring module transmit detected picture information and temperature information to the sub-server;
a2, while the video monitoring module, the temperature monitoring module, the voltage transformer, the current transformer and the photoresistor sensor conduct signal data to the sub-server, a time stamp is built by the time editing module, a sub-item data folder is built by the sub-server according to the time stamp, monitoring data received by the sub-server at the same time point are packaged, and the monitoring data are sent to the data export module;
a3, the data export module sends the packed sub-item data folders to the gateway module and the data storage module respectively, the gateway module sends the sub-item data folders to a server cloud, and the data storage module stores the sub-item data folders.
3. The earth leakage protection system of claim 2, wherein: the leakage state includes the steps of:
b1, disconnecting a circuit of the leakage protector, detecting brightness change by the photoresistor sensor and sending information to a sub-server, transmitting a leakage signal to a cloud end of the server by the sub-server through the data export module and the gateway module, sending a time stamp establishing instruction to the time editing module, establishing a second time axis, and collecting video information, temperature information, voltage information and current information in the time point to establish an abnormal data folder;
b2, checking the grounding protection device by using the grounding resistance tester, and synchronously transmitting data to a sub-server by using the grounding resistance tester;
b3, when the sub-server is connected to the grounding resistance tester, the sub-server sends a time stamp establishment instruction to the time editing module, video information, temperature information, voltage information, current information and photoresistance sensing information in the time point are collected, an obstacle removal log data folder is established under the abnormal data folder, and meanwhile, marking is carried out on time nodes corresponding to a first time axis and a second time axis;
b4, removing signal connection between the grounding resistance tester and the sub-server, at the moment, the sub-server issues a time stamp establishment instruction to the time editing module, collects video information, temperature information, voltage information, current information and photoresistance sensing information in the time point, establishes a work log data folder under the abnormal data folder, and marks corresponding time nodes of the first time axis and the second time axis;
and B5, the sub-server extracts the data of the second time axis in the time editing module, and puts the data of the second time axis into the abnormal data folder, and the sub-server sends the abnormal data folder to the gateway module for uploading through the data export module and simultaneously sends the abnormal data folder to the data storage module for storage.
4. The earth leakage protection system of claim 3, wherein: in the step B5, the sub-server uses the abnormal data folder as a parent data folder, and places the obstacle removal log data folder and the work log data folder as child data folders therein.
5. The earth leakage protection system of claim 4, wherein: the time editing module automatically establishes a time axis in the operation step, and marks corresponding points of the time axis when receiving the time stamp establishment instruction from the sub server.
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| CN202310577418.8A CN116316402B (en) | 2023-05-22 | 2023-05-22 | Leakage protection system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636705A (en) * | 2012-03-09 | 2012-08-15 | 德清县供电局 | Device for judging fault of remote leakage protector and blockage or fault of alternating current contactor, and analysis method thereof |
| CN104779595A (en) * | 2015-04-29 | 2015-07-15 | 国网河南省电力公司漯河供电公司 | Secondary electric leakage protection monitoring system of distribution network |
| CN209148801U (en) * | 2018-10-10 | 2019-07-23 | 北京睿格伟业科技有限公司 | Grounded screen monitoring unit and grounded screen monitoring system |
-
2023
- 2023-05-22 CN CN202310577418.8A patent/CN116316402B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636705A (en) * | 2012-03-09 | 2012-08-15 | 德清县供电局 | Device for judging fault of remote leakage protector and blockage or fault of alternating current contactor, and analysis method thereof |
| CN104779595A (en) * | 2015-04-29 | 2015-07-15 | 国网河南省电力公司漯河供电公司 | Secondary electric leakage protection monitoring system of distribution network |
| CN209148801U (en) * | 2018-10-10 | 2019-07-23 | 北京睿格伟业科技有限公司 | Grounded screen monitoring unit and grounded screen monitoring system |
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| CN116316402A (en) | 2023-06-23 |
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Denomination of invention: A leakage protection system Granted publication date: 20230808 Pledgee: Nanjing Zidong sub branch of Bank of Nanjing Co.,Ltd. Pledgor: Jiangsu Anhe Electric Energy Technology Co.,Ltd. Registration number: Y2024980004572 |
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Granted publication date: 20230808 Pledgee: Nanjing Zidong sub branch of Bank of Nanjing Co.,Ltd. Pledgor: Jiangsu Anhe Electric Energy Technology Co.,Ltd. Registration number: Y2024980004572 |