CN214278335U

CN214278335U - Intelligent large power grid fault detection device

Info

Publication number: CN214278335U
Application number: CN202120235405.9U
Authority: CN
Inventors: 陈超洋; 赖强; 丁李; 王燕舞; 陈祖国; 池明
Original assignee: Hunan University of Science and Technology
Current assignee: Hunan University of Science and Technology
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-09-24
Anticipated expiration: 2031-01-28

Abstract

The utility model provides an intelligent large power grid fault detection device, which comprises a processor module, an acquisition module, a detection module, a data module, a timing module and a power module, wherein the processor module, the acquisition module, the detection module, the data module, the timing module and the power module are electrically connected, the processor module is connected with a monitoring center through a communication interface, the acquisition module comprises a current transformer and a signal processing module, the current transformer is used for acquiring current signals of a multi-energy interconnected power grid and sending the current signals to the signal processing module, the multi-energy interconnected power grid intelligent fault detection device based on event driving realizes the multi-energy interconnected power grid intelligent fault monitoring based on event driving by matching the processor module, the acquisition module, the detection module, the data module, the timing module and the power module instead of an artificial mode, and through the arranged mobile terminal unit, manual inquiry is facilitated.

Description

Intelligent large power grid fault detection device

Technical Field

The utility model relates to a fault detection technical field especially relates to an intelligent big electric wire netting fault detection device.

Background

With the promotion of the 'large operation' construction of a national power grid company, the scale of a power system is larger and larger, and more substations governed by a power grid monitoring center are provided, at present, a multifunctional internet is automated to reach a higher level, but fault information required to be processed is more, so that dispatchers are overwhelmed;

because the electric wire netting has that circuit structure is complicated, the environment is various changeable, maintain characteristics such as work load is big, when breaking down, need to carry out troubleshooting fault by stage and take place unknowingly, and not only working strength is big, but also can delay the rush-repair time, influences the power supply reliability, consequently the utility model provides a problem that exists in order to solve prior art is intelligent big electric wire netting failure detection device.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model aims to provide an intelligent big electric wire netting fault detection device, this kind of intelligent fault detection device of multipotency interconnected electric wire netting based on event-driven passes through processor module, collection module, detection module, data module, timing module and power module's cooperation, replaces artificial mode to realize the intelligent fault monitoring of multipotency interconnected electric wire netting based on event-driven to through the mobile terminal unit that sets up, thereby the artifical inquiry of being convenient for reduces the cost of labor.

For realizing the purpose of the utility model, the utility model discloses a following technical scheme realizes: an intelligent large power grid fault detection device comprises a processor module, an acquisition module, a detection module, a data module, a timing module and a power module, wherein the processor module, the acquisition module, the detection module, the data module, the timing module and the power module are electrically connected, the processor module is connected with a monitoring center through a communication interface, the acquisition module comprises a current transformer and a signal processing module, the current transformer is used for acquiring current signals of a multi-energy interconnected power grid and sending the current signals to the signal processing module, the signal processing module is used for processing signals transmitted by the current transformer into alternating current signals with direct current components and sending the alternating current signals to the detection module, the detection module comprises an analysis module, a judgment module and a signal generator, and the analysis module is used for analyzing the signals transmitted by the signal processing module, and sending the analysis result to a judgment module, wherein the judgment module is used for comparing the analysis result with prestored fault comparison data and carrying out judgment operation, and then sending the analysis result and the judgment result to a processor module and a data module through the signal generator, the processor module comprises an alarm unit, and when the judgment module judges that the fault occurs, the alarm unit gives an alarm to a monitoring center.

The further improvement lies in that: the analysis module comprises a low-pass filter, a band-pass filter and a frequency detection circuit, wherein the low-pass filter is used for detecting current information in signals transmitted by the signal processing module, the band-pass filter is used for detecting high-frequency information in the signals transmitted by the signal processing module, and the frequency detection circuit is used for detecting frequency information in the signals transmitted by the signal processing module.

The further improvement lies in that: the data module comprises a database and a storage module, the storage module is used for storing the analysis result of the analysis module and the judgment result of the judgment module into the database, and the database is pre-stored with fault comparison data for comparison by the judgment module

The further improvement lies in that: the timing module comprises a timing switch unit and a timing self-checking unit, the timing switch unit is used for enabling the processor module to start at fixed time, and the timing self-checking unit is used for timing self-checking work.

The further improvement lies in that: the processor module further comprises a display control unit and a mobile terminal unit, the display control unit comprises a display and a control panel and is used for man-machine interaction, and the mobile terminal unit is used for connecting the mobile phone, the notebook computer and the tablet computer with the database so that a worker can check the result conveniently.

The further improvement lies in that: the power module comprises a power supply unit and a power saving unit, the power supply unit is used for supplying power to the processor module, the acquisition module, the data module and the timing module, and the power saving unit is used for saving energy.

The utility model has the advantages that: this kind of intelligent fault detection device of multipotency interconnected electric wire netting based on event-driven passes through processor module, collection module, detection module, data module, timing module and power module's cooperation, replace artificial mode to realize the intelligent fault monitoring of multipotency interconnected electric wire netting based on event-driven, and through the mobile terminal unit who sets up, thereby be convenient for artifical inquiry, reduce the cost of labor, in addition through the timing module who sets up, not only can carry out the self-checking to the operating condition of device, can also carry out time switch according to staff's demand, thereby reach automatic and intelligent demand.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to the figure 1, the embodiment provides an intelligent large power grid fault detection device, which comprises a processor module, an acquisition module, a detection module, a data module, a timing module and a power module, wherein the processor module, the acquisition module, the detection module, the data module, the timing module and the power module are electrically connected, the processor module is connected with a monitoring center through a communication interface, the acquisition module comprises a current transformer and a signal processing module, the current transformer is used for acquiring current signals of a multi-energy interconnected power grid and sending the current signals to the signal processing module, the signal processing module is used for processing signals transmitted by the current transformer into alternating current signals with direct current components and sending the alternating current signals to the detection module, the detection module comprises an analysis module, a judgment module and a signal generator, and the analysis module is used for analyzing signals transmitted by the signal processing module, and sending the analysis result to a judgment module, wherein the judgment module is used for comparing the analysis result with prestored fault comparison data and carrying out judgment operation, then sending the analysis result and the judgment result to a processor module and a data module through the signal generator, the processor module comprises an alarm unit, when the judgment module judges that the fault occurs, the alarm unit gives an alarm to a monitoring center, the data to be taken is compared with the preset fault comparison data, and judges whether the preset fault data is met, if so, the fault occurs.

The analysis module comprises a low-pass filter, a band-pass filter and a frequency detection circuit, wherein the low-pass filter is used for detecting current information in signals transmitted by the signal processing module, the band-pass filter is used for detecting high-frequency information in the signals transmitted by the signal processing module, and the frequency detection circuit is used for detecting frequency information in the signals transmitted by the signal processing module.

The data module comprises a database and a storage module, the storage module is used for storing the analysis result of the analysis module and the judgment result of the judgment module into the database, and the database is pre-stored with fault comparison data for comparison by the judgment module

The timing module comprises a timing switch unit and a timing self-checking unit, the timing switch unit is used for enabling the processor module to start at fixed time, and the timing self-checking unit is used for timing self-checking work.

The processor module further comprises a display control unit and a mobile terminal unit, the display control unit comprises a display and a control panel and is used for man-machine interaction, and the mobile terminal unit is used for connecting the mobile phone, the notebook computer and the tablet computer with the database so that a worker can check the result conveniently.

The power module comprises a power supply unit and a power saving unit, the power supply unit is used for supplying power to the processor module, the acquisition module, the data module and the timing module, and the power saving unit is used for saving energy.

This kind of intelligent fault detection device of multipotency interconnected electric wire netting based on event-driven passes through processor module, collection module, detection module, data module, timing module and power module's cooperation, replace artificial mode to realize the intelligent fault monitoring of multipotency interconnected electric wire netting based on event-driven, and through the mobile terminal unit who sets up, thereby be convenient for artifical inquiry, reduce the cost of labor, in addition through the timing module who sets up, not only can carry out the self-checking to the operating condition of device, can also carry out time switch according to staff's demand, thereby reach automatic and intelligent demand.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an intelligent big electric wire netting fault detection device, includes processor module, collection module, detection module, data module, timing module and power module, its characterized in that: the processor module, the acquisition module, the detection module, the data module, the timing module and the power module are electrically connected, the processor module is connected with the monitoring center through a communication interface, the acquisition module comprises a current transformer and a signal processing module, the current transformer is used for acquiring current signals of a multi-energy interconnected power grid and sending the current signals to the signal processing module, the signal processing module is used for processing the signals transmitted by the current transformer into alternating current signals with direct current components and sending the alternating current signals to the detection module, the detection module comprises an analysis module, a judgment module and a signal generator, the analysis module is used for analyzing the signals transmitted by the signal processing module and sending the analysis results to the judgment module, the judgment module is used for comparing the analysis results with prestored fault contrast data and carrying out judgment operation, and then sending the analysis result and the judgment result to a processor module and a data module through the signal generator, wherein the processor module comprises an alarm unit, and when the judgment module judges that the fault occurs, the alarm unit gives an alarm to a monitoring center.

2. The intelligent large power grid fault detection device according to claim 1, wherein: the analysis module comprises a low-pass filter, a band-pass filter and a frequency detection circuit, wherein the low-pass filter is used for detecting current information in signals transmitted by the signal processing module, the band-pass filter is used for detecting high-frequency information in the signals transmitted by the signal processing module, and the frequency detection circuit is used for detecting frequency information in the signals transmitted by the signal processing module.

3. The intelligent large power grid fault detection device according to claim 1, wherein: the data module comprises a database and a storage module, the storage module is used for storing the analysis result of the analysis module and the judgment result of the judgment module into the database, and fault comparison data are stored in the database in advance and used for providing comparison for the judgment module.

4. The intelligent large power grid fault detection device according to claim 1, wherein: the timing module comprises a timing switch unit and a timing self-checking unit, the timing switch unit is used for enabling the processor module to start at fixed time, and the timing self-checking unit is used for timing self-checking work.

5. The intelligent large power grid fault detection device according to claim 1, wherein: the processor module further comprises a display control unit and a mobile terminal unit, the display control unit comprises a display and a control panel and is used for man-machine interaction, and the mobile terminal unit is used for connecting the mobile phone, the notebook computer and the tablet computer with the database so that a worker can check the result conveniently.

6. The intelligent large power grid fault detection device according to claim 1, wherein: the power module comprises a power supply unit and a power saving unit, the power supply unit is used for supplying power to the processor module, the acquisition module, the data module and the timing module, and the power saving unit is used for saving energy.