CN207937552U - An early warning device for power equipment operation failure - Google Patents

Abstract

AN early warning device for operation failure of power equipment comprises AN industrial personal computer and AN omnidirectional electromagnetic wave sensor, wherein the omnidirectional electromagnetic wave sensor is arranged in a power equipment room and is connected with the industrial personal computer through a high-frequency coaxial cable, the industrial personal computer comprises a data processor, a data storage module, a filter module, a data acquisition module, a wireless network router module, AN L AN network module, a power management module, AN information display screen and a machine shell, the data processor is respectively and electrically connected with the data acquisition module, the wireless network router module and the L AN network module and is arranged in the machine shell, electromagnetic wave signals excited by partial discharge of the power equipment are detected through the omnidirectional electromagnetic wave sensor and then transmitted to the industrial personal computer, the industrial personal computer acquires, calculates and stores data, sends corresponding data to a cloud database platform through the wireless network router module, and reports failure data to a user in real time, so that the operation condition of the power equipment is effectively and conveniently managed.

Description

An early warning device for power equipment operation failure

technical field

The utility model relates to the technical field of an early warning device for operation failure of electric equipment.

Background technique

With the continuous expansion of the construction scale of the national smart grid, the high-voltage power equipment continues to increase. As the overall structure of the power grid becomes more and more complex, the frequency of various failures and accidents is also increasing. Any failure will affect The normal progress of industrial and agricultural production may even cause heavy losses to the national economy. Among them, the faults caused by the discharge of high-voltage equipment account for a large proportion. How to monitor the operation status of high-voltage power equipment online in real time can eliminate faults in time, thereby protecting the stable and reliable operation of the power grid.

Utility model content

The purpose of this utility model: In order to solve the above problems, a power equipment operation fault early warning device has the functions of real-time monitoring of power equipment operation status, collecting fault data caused by high-voltage equipment discharge, convenient management of power equipment, and timely issuing of early warning information.

The utility model is realized in the following way: a power equipment operation failure early warning device, which includes an industrial control host and an omnidirectional electromagnetic wave sensor, the omnidirectional electromagnetic wave sensor is arranged in the power equipment room, and is connected to the industrial control host through a high-frequency coaxial cable;

The industrial control host includes a data processor, a data storage module, a filter module, a data acquisition module, a wireless network router module, a LAN network module, a power management module, an information display screen and a casing;

The data processor is respectively electrically connected with the filter module, the data acquisition module, the wireless network router module, and the LAN network module and arranged in the casing, and the information display screen is arranged on the outer surface of the casing;

The filter module is electrically connected to the omnidirectional electromagnetic wave sensor through a high-frequency coaxial cable, and then connected to the filter module.

Further, the omnidirectional electromagnetic wave sensor includes a UHF ultra-high frequency broadband antenna, which is used to detect electromagnetic wave signals excited by partial discharge currents of electrical equipment and the location of electromagnetic wave signal sources.

Specifically, the operating frequency of the UHF UHF broadband antenna is 300MHz-1.5GHz.

The filter module receives the discharge electromagnetic wave signal sent by the omnidirectional electromagnetic wave sensor to filter, removes the electromagnetic wave signal generated by the partial discharge of non-electric equipment, and transmits the filtered discharge electromagnetic wave signal to the data acquisition module, and the data acquisition module The analog signal acquisition of the discharge electromagnetic wave is converted into a digital signal and transmitted to the data processor;

The data processor calculates the digital signal of the discharge electromagnetic wave, stores the digitized data into the data storage module for preservation according to the setting of the built-in program, and transmits it to the wireless network router module and the information display screen.

The information display screen displays the corresponding data of the discharge electromagnetic wave.

The wireless network router module transmits the discharge electromagnetic wave data to the cloud database platform through the mobile communication network 4G/3G.

The utility model provides an early warning device for power equipment operation faults. The electromagnetic wave signal excited by the partial discharge of the power equipment is detected by an omnidirectional electromagnetic wave sensor and then transmitted to the industrial control host. The industrial control host collects, calculates, and stores data. The cloud database platform is transmitted through the wireless network router module, and the user's mobile phone APP software or computer PC software collects data through the Internet for management, and the fault data is reported to the user in real time, effectively and conveniently managing the operation status of the power equipment, and issuing early warning information.

Description of drawings

Fig. 1 is the schematic diagram of the utility model.

Fig. 2 is a structural block diagram of the utility model.

Detailed ways

The implementation of the present utility model will be described in detail below in conjunction with the accompanying drawings. The specific embodiments described here are only used to explain the present utility model, and are not intended to limit the present utility model.

A power equipment operation failure warning device, which includes an industrial control host 1 and an omnidirectional electromagnetic wave sensor 2. The omnidirectional electromagnetic wave sensor 2 is installed in a power equipment room and connected to a port on the industrial control host 1 through a high-frequency coaxial cable.

The omnidirectional electromagnetic wave sensor 2 includes a 300MHz-1.5GHz broadband high-frequency antenna, which is used to detect electromagnetic wave signals excited by the partial discharge current of power equipment. The omnidirectional electromagnetic wave sensor has the function of non-contact omnidirectional electromagnetic wave spatial positioning detection technology , 360-degree wireless monitoring of the partial discharge position of the equipment, realizing no monitoring dead angle, each omnidirectional electromagnetic wave sensor can monitor the working space with a radius of 20 meters.

The industrial control host 1 includes a data processor 11, a data storage module 12, a filter module 13, a data acquisition module 14, a wireless network router module 15, a LAN network module 16, a power management module 17, an information display screen 18 and a casing 19 ;

The filter module 13 is electrically connected with the omnidirectional electromagnetic wave sensor 2 through a high-frequency cable, and the omnidirectional electromagnetic wave sensor transmits the discharge electromagnetic wave signal to the filter module 13 for filtering, removes the electromagnetic wave signal generated by the partial discharge of non-electric equipment, and filters the The discharge electromagnetic wave signal is sent to the data acquisition module 14;

The data acquisition module 14 collects and converts the analog signal of the discharge electromagnetic wave into a digital signal and transmits it to the data processor 11;

The data processor 11 calculates the digital signal of the discharge electromagnetic wave, stores the digitized data into the data storage module 12 for preservation according to the setting of the built-in program, and transmits it to the wireless network router module 15, the LAN network module 16 and the information display screen 17;

The information display screen 16 is used to display the corresponding data of the discharge electromagnetic wave.

The wireless network router module 15 transmits the data of the discharge electromagnetic wave to the cloud database platform through the mobile communication network 4G/3G in real time.

Smart terminals such as mobile phone APP software or computer PC software download corresponding data through the Internet for management, and report the fault data of power equipment to users in real time, and carry out early warning management of power equipment operation faults.

The technical solutions described above are only preferred implementations of the present utility model. It should be pointed out that those skilled in the art can make some improvements and modifications without departing from the principle of the utility model, which are also regarded as within the protection scope of the utility model.

Claims (6)

1. a kind of power equipment operation troubles prior-warning device, it includes industrial control host and omnidirectional's electromagnetic sensor, omnidirectional's electromagnetism Wave sensor is arranged in power equipment room, is connect with industrial control host by coaxial cable for high frequency；

The industrial control host includes data processor, data memory module, filter module, data acquisition module, wireless network Router-module, lan network module, power management module, information display screen and casing；

The data processor is electrically connected and sets with data acquisition module, radio network router module, lan network module respectively It sets in casing, information display screen is arranged on the outer surface of casing；

The filter module is connect by coaxial cable for high frequency with omnidirectional electromagnetic sensor, behind with connect filter module electricity Connection.

2. a kind of power equipment operation troubles prior-warning device according to claim 1, it is characterised in that：Omnidirectional's electromagnetism Wave sensor includes UHF superfrequency broad-band antennas, the electromagnetic wave letter that the shelf depreciation electric current for detecting power equipment excites Number and electromagnetic wave signal source position.

3. a kind of power equipment operation troubles prior-warning device according to claim 2, it is characterised in that：The UHF is extra-high The work frequency of frequency broad-band antenna is 300MHz-1.5GHz.

4. a kind of power equipment operation troubles prior-warning device according to claim 1, it is characterised in that：The filter mould Block receives the electromagnetic wave signal that omnidirectional's electromagnetic sensor sends over and is filtered, filtered electric discharge electromagnetic wave signal Send data acquisition module to；After the data acquisition module receives the analog signal of electric discharge electromagnetic wave, acquisition is converted into counting Word signal transmission is to data processor；

The data processor carries out operation to the digital signal for the electromagnetic wave that discharges, according to the setting of plug-in, digitlization Data be stored into data memory module and preserved, and send radio network router module, lan network module and information to Display screen.

5. a kind of power equipment operation troubles prior-warning device according to claim 4, it is characterised in that：Described information is shown The corresponding data of screen display electric discharge electromagnetic wave.

6. a kind of power equipment operation troubles prior-warning device according to claim 4, it is characterised in that：The wireless network Router-module passes through the data of mobile communications network 4G/3G transmission electric discharge electromagnetic wave to cloud database platform.