CN215599283U - Power grid parameter real-time monitoring system based on cloud platform - Google Patents
Power grid parameter real-time monitoring system based on cloud platform Download PDFInfo
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Abstract
The utility model relates to a cloud platform-based power grid parameter real-time monitoring system which comprises a TD detection module and a TA detection module, wherein the TD detection module is used for detecting voltage parameters of monitoring node positions, the TA detection module is used for detecting current parameters of the monitoring node positions, the TD detection module and the TA detection module are connected with a monitoring system, the monitoring system comprises a main control unit and a communication unit, and the main control unit is used for receiving digital signals output by the TD detection module and the TA detection module and judging the power grid running state according to the digital signals; the main control unit is connected with a cloud server through a communication unit. According to the utility model, the monitoring nodes are detected by the TD detection module and the TA detection module, the monitoring system gives an information alarm to the electrician handheld terminal through the cloud server, and the electrician can rapidly arrive at the site for maintenance through the monitoring node ID, so that the attendance efficiency is improved.
Description
Technical Field
The utility model relates to the field of power equipment detection, in particular to a power grid parameter real-time monitoring system based on a cloud platform.
Background
With the development of a power grid service system, the state monitoring of a power grid is very important, and workers are often required to quickly arrive at a fault position before a power consumer calls for help before the power consumer calls for help;
however, the fault node is usually found by electricians through conventional measurement tools and experience judgment, the detection efficiency is low, power supply departments cannot timely catch up with the fault site to solve the circuit fault problem, a large number of telephone complaints can be received by users, and the construction of a good service image of a power grid is not facilitated.
In order to improve the service level of a power grid and promote user satisfaction, a monitoring device needs to be arranged on a power grid transmission line to detect the voltage and current parameters of the power grid in real time, and when the power grid outgoing line is abnormal, the monitoring device reports points, so that an electrician can repair and maintain conveniently.
Disclosure of Invention
The utility model provides a cloud platform-based power grid parameter real-time monitoring system for solving the problem of low monitoring efficiency of the existing power grid, which is provided with a TD detection module, a TA detection module and a monitoring system, wherein the TD detection module and the TA detection module respectively detect voltage and current parameters of a power transmission line at a monitoring node position, when data abnormality occurs at the monitoring node, the monitoring system gives an information alarm to an electrician handheld terminal through a cloud server, and the electrician can rapidly arrive at the site for maintenance through a monitoring node ID, so that the attendance efficiency is improved, in addition, the electrician can utilize the cloud server to detect information acquisition for a plurality of monitoring nodes through the handheld terminal, so that the daily maintenance efficiency of the power grid is improved, and the workload of the electrician is reduced.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a power grid parameter real-time monitoring system based on a cloud platform comprises a power grid power transmission line, wherein a plurality of monitoring nodes are arranged on the power grid power transmission line, the plurality of monitoring nodes comprise a TD detection module and a TA detection module, the TD detection module is used for detecting voltage parameters of positions of the monitoring nodes, the TA detection module is used for detecting current parameters of the positions of the monitoring nodes, the TD detection module and the TA detection module are connected with the monitoring system, the monitoring system comprises a main control unit and a communication unit, and the main control unit is used for receiving digital signals output by the TD detection module and the TA detection module and judging the running state of a power grid according to the digital signals;
the main control unit is connected with a cloud server through a communication unit, and the cloud server is used for storing power grid monitoring data.
Further, the main control unit comprises an MCU chip, the communication unit comprises a 4G network module, and the MCU chip is communicated with the 4G network module through an SPI interface.
Furthermore, the TA detection module comprises a current transformer, an isolation circuit and a collection chip, the power grid power transmission line penetrates out through the current transformer, the current transformer detection current is transmitted to the MCU chip through the collection chip through the isolation circuit, and the collection chip and the MCU chip are in UART serial port communication.
Furthermore, the TD detection module includes measurement chip and opto-coupler isolation circuit, single-phase power transmission line is connected to the measurement chip input end, the output passes through the opto-coupler isolation circuit and passes through UART serial ports and MCU chip communication.
Further, the monitoring node is provided with a standby power supply, the standby power supply is used for supplying power to the monitoring system in the abnormal state of the power grid, and the standby power supply comprises a lithium battery and a charging circuit.
Furthermore, the standby power supply is connected with a detection circuit, the detection circuit is respectively used for detecting the voltage of the lithium battery and the voltage of an external power supply line, and the detection circuit is connected with an IO port of the MCU chip.
Through the technical scheme, the utility model has the beneficial effects that:
1. the monitoring system is provided with a plurality of monitoring nodes, wherein the plurality of monitoring nodes comprise a TD detection module and a TA detection module, the TD detection module is used for detecting the position voltage parameters of the monitoring nodes, the TA detection module is used for detecting the position current parameters of the monitoring nodes, the TD detection module and the TA detection module are connected with a monitoring system, the monitoring system comprises a main control unit and a communication unit, and the main control unit is used for receiving digital signals output by the TD detection module and the TA detection module and judging the running state of a power grid according to the digital signals;
during operation, TD detection module and TA detection module continue work, and when monitoring system judges that monitoring node current or voltage parameter is unusual, monitoring system sends node ID to the handheld terminal of staff through the communication unit, and the staff passes through ID inquiry monitoring node position, drives to the scene rapidly and carries out the electric power maintenance.
2. According to the utility model, the main control unit is connected with the cloud server through the communication unit, the cloud server is used for storing power grid monitoring data, the cloud server is used for alarming power grid parameter abnormity, meanwhile, a worker can access the cloud server through the handheld terminal, a control command is sent to the main control unit through the cloud server, and the main control unit can send current and voltage detection parameters to the handheld terminal, so that the worker can complete daily detection of a plurality of monitoring nodes, and the detection efficiency of the monitoring nodes is improved.
Drawings
Fig. 1 is a schematic diagram of a power grid parameter real-time monitoring system based on a cloud platform.
Fig. 2 is one of electrical schematic diagrams of a power grid parameter real-time monitoring system based on a cloud platform.
Fig. 3 is a second electrical schematic diagram of a cloud platform-based power grid parameter real-time monitoring system.
Fig. 4 is a third electrical schematic diagram of a power grid parameter real-time monitoring system based on a cloud platform.
Fig. 5 is a fourth electrical schematic diagram of a power grid parameter real-time monitoring system based on a cloud platform.
Fig. 6 is a fifth electrical schematic diagram of a power grid parameter real-time monitoring system based on a cloud platform.
The reference numbers in the drawings are as follows: the system comprises a TD detection module 1, a TA detection module 2, a main control unit 4, a communication unit 5, a cloud server 6, a standby power supply 7 and a detection circuit 8.
Detailed Description
The utility model is further described with reference to the following figures and detailed description:
example 1:
as shown in fig. 1 to 6, a power grid parameter real-time monitoring system based on a cloud platform includes a power grid transmission line, the power grid transmission line is provided with a plurality of monitoring nodes, the plurality of monitoring nodes include a TD detection module 1 and a TA detection module 2, the TD detection module 1 is configured to detect a position voltage parameter of the monitoring node, the TA detection module 2 is configured to detect a position current parameter of the monitoring node, the TD detection module 1 and the TA detection module 2 are connected to the monitoring system, the monitoring system includes a main control unit 4 and a communication unit 5, and the main control unit 4 is configured to receive digital signals output by the TD detection module 1 and the TA detection module 2 and determine a power grid operating state according to the digital signals;
the main control unit 4 is connected with a cloud server 6 through a communication unit 5, and the cloud server 6 is used for storing power grid monitoring data.
In order to optimize the product structure and improve the network transmission speed, the main control unit 4 comprises an MCU chip, the communication unit 5 comprises a 4G network module, and the MCU chip is communicated with the 4G network module through an SPI interface.
In this embodiment, the MCU chip is an STM32 type single chip microcomputer, and the 4G network module includes an AIR724 chip and a SIM card.
For optimizing product structure and being convenient for data acquisition, TA detection module 2 includes current transformer, buffer circuit and collection chip, the electric wire netting power transmission line is worn out through current transformer, and current transformer detects the electric current and passes through buffer circuit and gather the chip transmission to the MCU chip, gather chip and MCU chip and pass through UART serial communication.
In this embodiment, the acquisition chip is a RN8209C single-phase measurement chip, and the TA detection module 2 is an EN560-TA isolated single-phase measurement module manufactured by shenzhen china star electrical equipment ltd, and can measure various electrical parameters such as current, voltage, power factor, frequency, and electrical energy.
Further optimize the product structure, TD detection module 1 includes measurement chip and opto-coupler isolation circuit, single-phase power transmission line is connected to the measurement chip input, output passes through the UART serial ports through opto-coupler isolation circuit and communicates with the MCU chip.
In this embodiment, the metering chip is an EN560 chip, and the TD detection module 1 is an EN560-TD single-phase metering module of a model manufactured by shenzhen china star electrical equipment ltd.
When the power transmission line is unusual, monitoring system need send alarm signal, for preventing monitoring system outage, the monitoring node is provided with stand-by power supply 7, stand-by power supply 7 is used for supplying power for monitoring system under the electric wire netting abnormal state, and stand-by power supply 7 includes lithium cell and charging circuit.
In order to optimize the working state of the standby power supply 7, the standby power supply 7 is connected with a detection circuit, the detection circuit 8 is respectively used for detecting the voltage of a lithium battery and the voltage of an external power supply line, and the detection circuit 8 is connected with an IO port of an MCU chip.
In this embodiment, the handheld terminal is a mobile phone, and a related APP is provided in the mobile phone.
When the monitoring node output abnormity, the main control unit 4 accesses the cloud server 6 through the communication unit 5 and sends alarm information to the handheld terminal through the cloud server 6, wherein the alarm information comprises a fault label and a monitoring node ID,
in this implementation, the main control unit 4 is written with a program defining: the TD detection module 1 detects that the voltage signal is marked as 1;
the TA detection module 2 detects that the current signal label is 2, when the main control unit 4 judges that the TD detection module 1 detects that the voltage at the monitoring node position is abnormal, the main control unit 4 sends a fault label "1" to the handheld terminal, and when the control unit 4 judges that the TA detection module 2 detects that the current at the monitoring node position is abnormal, the main control unit 4 sends a fault label "2" to the handheld terminal. The plurality of monitoring nodes are provided with unique IDs corresponding to the monitoring nodes, the IDs correspond to one piece of location information uniquely, the positions of the monitoring nodes can be inquired by inputting the IDs through the cloud server 6 and the handheld terminal, and a worker can rapidly perform power maintenance operation through a fault label and the IDs of the monitoring nodes.
Example 2:
a worker accesses the cloud server 6 through the handheld terminal to send a detection instruction to the main control unit 4, wherein the detection instruction comprises 1 and 2, the 1 is a voltage detection instruction, and the 2 is a current detection instruction;
during operation, a worker accesses the cloud server 6 through the handheld terminal, inputs monitoring node ID to communicate with the monitoring system main control unit 4, sends a detection instruction '1', the main control unit 4 sends voltage information detected by the TD detection module 1 to the handheld terminal through the cloud server 6 at the moment, the worker can check voltage parameters of the monitoring node through the handheld terminal, and the worker can obtain current parameters of the monitoring node after sending the detection instruction '2'.
The above-described embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the utility model, so that equivalent changes or modifications in the structure, features and principles described in the present invention should be included in the claims of the present invention.
Claims (6)
1. A power grid parameter real-time monitoring system based on a cloud platform comprises a power grid power transmission line, wherein a plurality of monitoring nodes are arranged on the power grid power transmission line and comprise a TD (time division) detection module (1) and a TA (timing advance) detection module (2), and the power grid parameter real-time monitoring system is characterized in that the TD detection module (1) is used for detecting voltage parameters of the monitoring nodes, the TA detection module (2) is used for detecting current parameters of the monitoring nodes, the TD detection module (1) and the TA detection module (2) are connected with the monitoring system, the monitoring system comprises a main control unit (4) and a communication unit (5), and the main control unit (4) is used for receiving digital signals output by the TD detection module (1) and the TA detection module (2) and judging the power grid operation state according to the digital signals;
the main control unit (4) is connected with a cloud server (6) through a communication unit (5), and the cloud server (6) is used for storing power grid monitoring data.
2. The power grid parameter real-time monitoring system based on the cloud platform is characterized in that the main control unit (4) comprises an MCU chip, the communication unit (5) comprises a 4G network module, and the MCU chip is communicated with the 4G network module through an SPI interface.
3. The power grid parameter real-time monitoring system based on the cloud platform is characterized in that the TA detection module (1) comprises a current transformer, an isolation circuit and a collection chip, the power grid power transmission line penetrates out through the current transformer, the current transformer detection current is transmitted to the MCU chip through the isolation circuit and the collection chip, and the collection chip and the MCU chip are in UART serial port communication.
4. The power grid parameter real-time monitoring system based on the cloud platform as claimed in claim 2, wherein the TD detection module (1) comprises a metering chip and an optical coupling isolation circuit, the input end of the metering chip is connected with the single-phase power transmission line, and the output end of the metering chip is communicated with the MCU chip through the UART serial port via the optical coupling isolation circuit.
5. The cloud platform-based power grid parameter real-time monitoring system according to claim 2, wherein the monitoring node is provided with a backup power supply (7), the backup power supply (7) is used for supplying power to the monitoring system in an abnormal state of the power grid, and the backup power supply (7) comprises a lithium battery and a charging circuit.
6. The power grid parameter real-time monitoring system based on the cloud platform is characterized in that a detection circuit is connected to the standby power supply (7), the detection circuit (8) is used for detecting the voltage of a lithium battery and the voltage of an external power supply line respectively, and the detection circuit (8) is connected with an IO port of an MCU chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120742834.5U CN215599283U (en) | 2021-04-13 | 2021-04-13 | Power grid parameter real-time monitoring system based on cloud platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120742834.5U CN215599283U (en) | 2021-04-13 | 2021-04-13 | Power grid parameter real-time monitoring system based on cloud platform |
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| CN215599283U true CN215599283U (en) | 2022-01-21 |
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| CN202120742834.5U Active CN215599283U (en) | 2021-04-13 | 2021-04-13 | Power grid parameter real-time monitoring system based on cloud platform |
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Effective date of registration: 20240522 Address after: No. 20 Central Avenue, Guandu River Industrial Park, Huaidian Township, Guangshan County, Xinyang City, Henan Province, 465450 Patentee after: Henan Pingmei Shenma Superhard Materials Co.,Ltd. Country or region after: China Address before: No.55 Pingyuan Middle Road, Liangyuan District, Shangqiu City, Henan Province Patentee before: SHANGQIU NORMAL University Country or region before: China Patentee before: SHANGQIU POLYTECHNIC |