CN116316402B - Leakage protection system - Google Patents

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

A leakage protection system

technical field

The invention relates to the technical field of leakage protection, in particular to a leakage protection system.

Background technique

Leakage protection system is an electrical safety device, which is used to detect and quickly cut off the power supply in case of electric leakage, so as to prevent electric shock accidents. Earth leakage protection systems usually include an earth leakage protector or earth fault protector, these devices can detect leakage current in the circuit and automatically cut off the power when it reaches a set value. The main function of the leakage protection system is to protect personal safety and equipment from accidents such as electric shock and fire. When electrical equipment leaks electricity, the leakage protection system will immediately cut off the power supply to prevent the current from flowing into the ground or other conductors through the human body, thereby avoiding electric shock accidents. In addition, the leakage protection system can also reduce the risk of line overload and improve the safety and reliability of electrical equipment.

In the normal use of the existing leakage protection system, when encountering maintenance, leakage inspection and other situations, the general situation is to check and troubleshoot various equipment information in the circuit on the spot, and the leakage protection can be realized through the network. To understand the leakage of the circuit, but the above-mentioned methods do not monitor and collect data on the leakage and normal conditions, which may make it difficult to trace the source of the fault, and most of the circuit data is recorded by the maintenance personnel on site. There is not only a time difference when collecting different data, but also the clarity of information records cannot be guaranteed, and there are improvements.

Contents of the invention

The purpose of the present invention is to improve the above problems, thereby proposing a leakage protection system, which collects and records the data in the leakage protection system by establishing a time stamp, which is convenient for maintenance personnel to trace the source of the fault and improves the efficiency of information recording.

In order to achieve the above object, the present invention adopts the following technical solutions: a leakage protection system, including a leakage protection module, the leakage protection module includes a power supply configured to supply power, a voltage transformer configured to detect circuit voltage, configured A leakage protector for leakage protection, a relay configured to cooperate with the leakage protector for power-off operation, a current transformer and a load configured to detect current in a circuit, the output terminal of the power supply is connected to the leakage protector The input end of the leakage protector is electrically connected, the output end of the leakage protector is electrically connected to the load, the voltage transformer is connected in series between the power supply and the leakage protector, and the current transformer is connected in series to the leakage protector. Between the leakage protector and the load, the relay is connected in series between the leakage protector and the current transformer;

A monitoring module configured to monitor the leakage protection module is installed on the leakage protection module, and the monitoring module includes: an on-off detection unit configured to detect the on-off condition of the leakage protector, configured to A video monitoring module for video monitoring, a temperature monitoring module configured for temperature monitoring, a data export module configured for exporting data, a data storage module configured for storing data, and a gateway module configured for networking , a time editing module configured to establish a time stamp and a sub-server configured to perform overall control;

The sub-server is also signal-connected with a grounding resistance tester.

In an embodiment, the on-off detection unit includes a photodiode configured to detect the on-off state of the earth leakage protector and a photoresistive sensor configured to detect whether the photodiode is on or off.

In one embodiment, the sub-server receives data from the video monitoring module, the temperature monitoring module, the voltage transformer, the current transformer, the photoresistor sensor and the grounding resistance tester Signal.

In one embodiment, the monitoring module, the leakage protection module and the ground resistance tester further include an installation step and an operation step, and the operation step includes a normal state and a leakage state.

In one embodiment, the operation steps include:

S1. Transmit the signals of the voltage transformer and the current transformer in the leakage protection module to the sub-server;

S2. Connect a photodiode in parallel on the leakage protector, and place the photoresistor sensor and the photodiode in the same dark environment;

S3. Align the monitoring screen of the video monitoring module with the leakage protector, and simultaneously align the detection point of the temperature monitoring module with the wiring of the quasi-leakage protector;

S4, open the circuit.

In one embodiment, the normal state includes the following steps:

A1. The photoresistor sensor transmits the no-light signal to the sub-server, the voltage transformer and current transformer transmit the detected corresponding signal to the sub-server, and the video monitoring module and temperature monitoring module detect The received screen information and temperature information are transmitted to the sub-server;

A2. When the video monitoring module, the temperature monitoring module, the voltage transformer, the current transformer, and the photoresistor sensor transmit signal data to the sub-server, the time editing module Establishing a time stamp and establishing a sub-item data folder by the sub-server according to the time stamp, packaging the monitoring data received by the sub-server at the same time point, and sending it to the data export module;

A3. The data export module sends the packaged sub-item data folders to the gateway module and the data storage module respectively, and the gateway module sends the sub-item data folders to the server cloud, and the The data storage module stores the sub-item data folder.

In one embodiment, the leakage state includes the following steps:

B1. The leakage protector disconnects the circuit, the photosensitive resistance sensor detects the brightness change and sends the information to the sub-server, and the sub-server transmits the leakage signal to the said data export module and the gateway module The server cloud, and send the establishment time stamp command to the time editing module, and establish a second time axis, and collect the video information, temperature information, voltage information and current information at the time point at the same time, and establish an abnormal data folder;

B2. Use the ground resistance tester to check the ground protection device, and the ground resistance tester transmits the data to the sub-server synchronously;

B3. When the sub-server is connected to the ground resistance tester, the sub-server issues a timestamp establishment instruction to the time editing module, and at the same time the video information, temperature information, voltage information, Collect current information and photoresistor sensing information, establish a troubleshooting log data folder under the abnormal data folder, and mark on the corresponding time nodes of the first time axis and the second time axis;

B4. Release the signal connection between the ground resistance tester and the sub-server. At this time, the sub-server sends the time stamp establishment instruction to the time editing module, and the video information, Temperature information, voltage information, current information and photoresistor sensing information are collected, and a work log data folder is established under the abnormal data folder, and at the same time at the time nodes corresponding to the first time axis and the second time axis mark on

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 passes the The data export module sends the abnormal data folder to the gateway module for uploading, and at the same time sends it to the data storage module for storage.

In one embodiment, in the step B5, the sub-server uses the abnormal data folder as a parent data folder, and uses the troubleshooting log data folder and the work log data folder as sub-data files clip into it.

In one embodiment, the time editing module automatically creates a time axis during the operation step, and automatically marks a corresponding point on the time axis when receiving the time stamp creation instruction from the sub-server.

Compared with prior art, the beneficial effect of the present invention is:

In the present invention, the video screen, temperature change data, voltage change data, current change data and leakage protector on-off conditions of the leakage protection system are collected through the designed sub-server, and the data export module and the gateway module Uploaded to the server cloud for online monitoring, this design reduces manpower detection, monitors the operation status of the leakage protection system by collecting data regularly, and sorts the corresponding data folders through the established time axis, so that the acquired data It has uniformity in time, which is convenient for maintenance personnel to retrieve and view, and the established second time axis can clearly reflect the specific circuit changes during the maintenance process, which greatly facilitates the operation of maintenance personnel to trace the source of the fault.

Description of drawings

Fig. 1 is a system module diagram of an earth leakage protection system in an embodiment of the present invention;

Fig. 2 is a schematic flow chart of the leakage protection system in an embodiment of the present invention;

FIG. 3 is a schematic flow diagram of a leakage protection system in an embodiment of the present invention;

FIG. 4 is a schematic flowchart of a leakage protection system in an embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only part of the embodiments of the present invention, not all embodiments, based on The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

As shown in Figure 1, the present invention provides a technical solution: a leakage protection system, including a leakage protection module, the leakage protection module includes a power supply configured to supply power, a voltage transformer configured to detect circuit voltage, configured to The leakage protector for leakage protection, the relay configured to cooperate with the leakage protector for power-off operation, the current transformer and load configured to detect the current in the circuit, the output terminal of the power supply and the input terminal of the leakage protector are electrically connected Connection, the output terminal of the leakage protector is electrically connected to 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 In between, a monitoring module configured to monitor the leakage protection module is installed on the leakage protection module. The monitoring module includes an on-off detection unit configured to detect the on-off condition of the leakage protector, and a video monitoring unit configured to perform video monitoring module, a temperature monitoring module configured to monitor temperature, a data export module configured to export data, a data storage module configured to store data, a gateway module configured to network, and a time Time editing modules for stamps and subservers configured for overall control.

The on-off detection unit includes a photodiode configured to detect the on-off state of the leakage protector and a photoresistive sensor configured to detect whether the photodiode is on or off.

The sub-server is also signally connected to the ground resistance tester, and the sub-server receives data signals from the video monitoring module, temperature monitoring module, voltage transformer, current transformer, photosensitive resistance sensor and ground resistance tester.

In this embodiment, the time editing module is designed to classify the information received by the sub-servers according to time, which is convenient for maintenance personnel to view directly from the server cloud. Upload and store the data when a fault occurs. In this system, the voltage and current data in the circuit are collected, and the video monitoring module and temperature monitoring module are used to monitor the specific operation of the leakage protector, which is convenient. Maintenance personnel combine voltage data, current data, video data and temperature data to understand the overall operating status of the leakage protector, increase the understanding of leakage conditions, and facilitate maintenance personnel to perform more accurate maintenance.

Example 2

As shown in Figure 1 and Figure 2, the monitoring module, leakage protection module and ground resistance tester also include installation steps and operation steps, the operation steps include normal state and leakage state, the time editing module automatically establishes the time axis in the operation steps, and When receiving the timestamp creation instruction from the sub-server, it will automatically mark the corresponding point on the time axis;

Among them, the operation steps include:

S1. Transmit the signals of the voltage transformer and the current transformer in the leakage protection module to the sub-server;

S2. Connect a photodiode in parallel on the leakage protector, and place the photoresistor sensor in the same dark environment;

S3, align the monitoring screen of the video monitoring module with the leakage protector, and align the detection point of the temperature monitoring module with the wiring of the leakage protector;

S4, open the circuit and put it into use;

In the above operation steps, the signal transmission of the voltage transformer and the current transformer is connected to the sub-server, so that the sub-server can obtain the voltage and current status of the circuit at any time, and the on-off detection installed on the leakage protector The unit enables the sub-server to obtain the on-off status of the leakage protector, and the video monitoring module and temperature monitoring module can transmit the video monitoring picture and temperature monitoring data of the leakage protector to the sub-server.

And, as shown in Figure 3, the normal state includes the following steps:

A1. Since the leakage protector remains closed under normal conditions, the photodiode can remain off at this time, so that the photoresistor sensor can transmit the no-light signal to the sub-server, and the voltage transformer and current transformer are also Transmitting the detected corresponding signal to the sub-server, and the video monitoring module and the temperature monitoring module transmit the detected picture information and temperature information to the sub-server;

A2. While the video monitoring module, temperature monitoring module, voltage transformer, current transformer and photoresistor sensor transmit the signal data to the sub-server, the time editing module establishes a time stamp and the sub-server establishes sub-item data based on the time stamp Folder, package the monitoring data received by the sub-server at the same time point, and send it to the data export module;

A3. The data export module sends the packaged 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 server cloud, and the data storage module stores the sub-item data folders.

In the above-mentioned normal state operation steps, the maintenance personnel can set the time stamp function in the time editing module. When the time stamp is established, the sub-server can obtain video monitoring data, temperature monitoring data, voltage data, current data and leakage protection switch data and create a sub-item data folder, and at the same time put the above data into the corresponding sub-item data folder, sort the folders according to the time axis order established by the time editing module, and at the same time divide the time point The data obtained by the server is transmitted to the gateway module through the data export module and uploaded to the server cloud, and the data export module also sends the corresponding data to the data storage module for storage.

Meanwhile, as shown in Figure 4, the leakage state includes the following steps:

B1. First, the leakage protector disconnects the circuit. At this time, the photodiode lights up. The photoresistor sensor detects the brightness change and sends the information to the sub-server. The sub-server first transmits the leakage signal to the server cloud through the data export module and the gateway module. , and at the same time send an instruction to establish a time stamp to the time editing module, and establish a second time axis, and at the same time collect video information, temperature information, voltage information and current information at the time point, and establish an abnormal data folder;

B2. Then, when the maintenance personnel arrive at the scene to troubleshoot, the grounding resistance tester is used to check the grounding protection device at the same time, and the grounding resistance tester also transmits the data to the sub-server synchronously;

B3. When the sub-server is connected to the ground resistance tester, the sub-server issues a time stamp establishment instruction to the time editing module, and at the same time, the video information, temperature information, voltage information, current information and photoresistor sensing information within the time point Collect, create a troubleshooting log data folder under the abnormal data folder, and mark on the corresponding time nodes of the first time axis and the second time axis;

B4. After the maintenance personnel have completed leakage troubleshooting, the signal connection between the grounding resistance tester and the sub-server is released. At this time, the sub-server issues a time stamp establishment instruction to the time editing module, and the video information, temperature within the time point Information, voltage information, current information and photoresistor sensing information are collected, and a work log data folder is established under the abnormal data folder, and marked on the corresponding time nodes of the first time axis and the second time axis;

B5. The sub-server extracts the second time axis data in the time editing module, and puts the data recorded in the second time axis into the abnormal data folder, and the sub-server sends the abnormal data folder to the gateway module through the data export module Upload and send to the data storage module for storage, wherein the sub-server uses the abnormal data folder as the parent data folder, and puts the troubleshooting log data folder and the work log data folder as sub-data folders into it;

In the operation steps of the above leakage state, according to the time axis establishment function in the time editing module and the daily monitoring data items established by the sub-server, in the leakage state, the time editing module first detects the disconnection of the leakage protector through the on-off detection unit situation, and the detection result is "disconnected", under this signal, the sub-server actively issues a timestamp establishment instruction to the time editing module. At this time, the time editing module marks "abnormal" on the corresponding time node on the time axis, and from At this time point, it establishes a second time axis, and associates the time node and maintenance time node of the detected abnormal situation with the second time axis, so that in the abnormal data folder, the specific situation during maintenance can be visually observed According to the corresponding data changes recorded in the time axis, the specific situation of the maintenance task can also be judged, which greatly facilitates the follow-up maintenance personnel's fault tracing operation.

working principle:

As shown in Figure 1, the present invention realizes video data acquisition, temperature data acquisition and on-off state grasp of the leakage protector in the leakage protection system through the video monitoring module, temperature monitoring module and on-off detection unit provided, and through The designed time editing module integrates the sub-item data based on the time point for the video data, temperature data, voltage data, current data and the on-off status of the leakage protector received by the sub-server, and the time editing module establishes a second The design of the time axis can record the specific data changes within the fault time period and organize them in a unified manner, which facilitates the follow-up maintenance personnel to perform leakage troubleshooting based on the specific maintenance history data, and also facilitates the maintenance personnel to trace the source of the fault .

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention to other forms. Any skilled person who is familiar with this field may use the technical content disclosed above to change or modify it into an equivalent implementation of equivalent changes. The examples are applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still belong to 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.