CN115086801A - Wearable distribution network intelligent inspection system and method based on portable computing terminal - Google Patents
Wearable distribution network intelligent inspection system and method based on portable computing terminal Download PDFInfo
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
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- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
Abstract
The patent discloses a wearable distribution network intelligent inspection system and a wearable distribution network intelligent inspection method based on a portable computing terminal, wherein the system comprises the portable inspection computing terminal, a wearable display terminal and a wireless extensible sensor group; the wireless extensible sensor group is used for acquiring data required by power grid inspection; the portable routing inspection computing terminal is used for carrying out fault judgment according to data required by power grid routing inspection and sent by the wireless extensible sensor group and sending a fault judgment result to the wearable display terminal; and the wearable display terminal is used for displaying the fault judgment result output by the portable routing inspection computing terminal so as to provide monitoring and guide field maintenance for a user. The invention can replace the sensor and the display unit according to the inspection work requirement, thereby realizing the selection and expansion of functions; all modules are small and light, the distribution network inspection is realized along with walking along with the side, detection results are obtained in time, automatic recording and uploading are carried out on the intranet of an enterprise, faults are effectively checked, and inspection efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of power inspection, in particular to a wearable distribution network intelligent inspection system and method based on a portable computing terminal.
Background
The field inspection of the power distribution network equipment is a necessary measure for guaranteeing the safe temperature operation of the equipment in the power industry. The current distribution network operation and maintenance detection needs to detect items such as temperature, partial discharge, abnormal vibration and the like and comprehensively evaluate the equipment state. Because power equipment is many and in large quantity in the distribution network, patrolling and examining on the market at present is equipped the function singleness, can not advance to detect on an instrument wholeheartedly, systematically, and the testing personnel need carry multiclass detecting instrument in the course of the work, and need change detecting instrument after every completion detection midway, still need manual record result data after the test is accomplished. Meanwhile, to protect the safety of the inspection personnel, the electric field and SF are required to be noticed at any moment 6 Concentration, etc. The existing inspection mode has the defects of low detection efficiency, time consumption, complexity and the like, and also has certain safety risk, so that the intelligent transformation of an intelligent operation inspection mode is not enough supported.
Disclosure of Invention
In view of the above, the invention provides a wearable intelligent inspection system and method for a distribution network based on a portable computing terminal, which are used for replacing a sensor and a display unit according to inspection work requirements, realizing the follow-up inspection of the distribution network, obtaining detection results in time and automatically recording and uploading the detection results to an enterprise intranet, effectively troubleshooting, greatly improving the inspection efficiency and reducing the safety risk of workers.
The invention discloses a wearable intelligent inspection system for a distribution network based on a portable computing terminal, which is applied to the inspection of power equipment of the distribution network and comprises the portable inspection computing terminal, a wearable display terminal and a wireless expandable sensor group; the portable routing inspection computing terminal, the wearable display terminal and the wireless extensible sensor group are in wireless connection;
the wireless extensible sensor group is used for acquiring data required by power grid inspection; the required data comprises visible light images, infrared images, ultrasonic frequency data, vibration waveforms, vibration acceleration waveform frequency spectrum characteristic quantities, electric field sizes and distances, SF6 and oxygen concentration;
the portable routing inspection computing terminal is used for carrying out fault judgment according to data required by power grid routing inspection and sent by the wireless extensible sensor group and sending a fault judgment result to the wearable display terminal;
and the wearable display terminal is used for displaying the fault judgment result output by the portable inspection computing terminal so as to provide monitoring and guide on-site maintenance for a user.
Furthermore, the portable inspection computing terminal is a miniaturized independent device, is carried by power distribution network inspection workers, and comprises a sensing network signal receiving and transmitting module, an edge computing module and a cellular network signal receiving and transmitting module which are sequentially connected; the system also comprises a data storage module connected with the edge calculation module.
Furthermore, the sensor network signal transceiver module can receive wireless data signals of the wireless extensible sensor group, mutually transmit data with the edge computing terminal and send the wireless data signals to the wearable display terminal;
the edge calculation module is used for calculating and analyzing various data acquired by the wireless extensible sensor group in real time, judging whether a fault exists or not, analyzing fault positions and abnormal parameter quantity, giving a routing inspection conclusion and generating a visual detection result; wherein the visual detection result comprises a generated image, a chart and a video;
the cellular network signal receiving and transmitting module is used for being connected with an enterprise intranet to transmit data to the enterprise intranet;
and the data storage module is used for storing the data output by the edge calculation module to the local.
Further, the edge calculation module includes:
the fault judgment unit is used for inquiring whether abnormal pixel points exist in the image range according to the temperature matrix of the infrared image to judge whether the temperature is abnormal or not and marking the position of the abnormal temperature point; judging ultrasonic frequency data at different positions, determining whether a partial discharge fault exists, and marking the fault position through an ultrasonic array; comparing the vibration waveform and the acceleration waveform frequency spectrum characteristic quantity with a built-in mechanical vibration frequency spectrum characteristic map library, judging whether a mechanical vibration fault exists or not, and marking the fault position; judging whether an operator keeps a safe distance from a charged body or not by analyzing the intensity of the digitally filtered 50HZ power frequency signal; judging whether SF6 leakage fault exists or not by analyzing the ionization degree of the gas in the high-frequency electromagnetic field;
and the fault sending unit is used for sending the fault judgment result output by the fault judgment module to the wearable display terminal for visual display.
Further, the wireless extensible sensor group comprises a multispectral chip, an ultrasonic wave acquisition module, a vibration acquisition module, an electric field size distance acquisition module, SF6 and an oxygen concentration acquisition module which are respectively connected with the portable inspection computing terminal; the wireless extensible sensor group further comprises a visible light acquisition module and an infrared acquisition module which are respectively connected with the multispectral chip.
Furthermore, the visible light acquisition module and the infrared acquisition module are packaged in the same shell and are independent devices; the spectrum chip, the ultrasonic wave acquisition module, the vibration acquisition module, the electric field size distance acquisition module, the SF6 and the oxygen concentration acquisition module are respectively packaged independently, namely are packaged into independent devices respectively; there is no electrical connection between the separate devices.
Furthermore, the visible light acquisition module and the infrared acquisition module are used for detecting real-time video conditions and infrared images of the power distribution network equipment in a non-contact manner, transmitting the real-time video conditions and the infrared images to the information multispectral chip through wired connection, and fusing the visible light images and the infrared images to acquire an ID signal of a real object and detect temperature;
the ultrasonic wave acquisition module, the vibration acquisition module, the electric field size distance acquisition module, the SF6 and the oxygen concentration acquisition module are respectively used for detecting ultrasonic wave information, vibration waveforms, electric field size distances, SF6 and oxygen concentration of power distribution network equipment; and the data information acquired by each sensor module is sent to the portable inspection computing terminal in a wireless transmission mode.
Furthermore, the wearable display terminal comprises a sensor network signal receiving module and a display module electrically connected with the sensor network signal receiving module; the sensor network signal receiving module and the display module are packaged in the same shell.
The invention also discloses a wearable distribution network intelligent inspection method based on the portable computing terminal, which comprises the following steps:
collecting visible light images and infrared images of distribution network power equipment, splicing and fusing the images of infrared and visible light by using an NSCT (non-subsampled Contourlet transform) and Simese network fusion algorithm based on a multispectral chip, and sending a fused video stream to a sensor network signal transceiving module;
collecting ultrasonic array information, vibration waveforms, electric field size distance, SF6 and oxygen concentration of the power distribution network equipment, and sending the ultrasonic array information, the vibration waveforms, the electric field size distance, the SF6 and the oxygen concentration to a sensing network signal transceiving module;
the sensor network signal transceiver module sends the received information to the edge calculation module;
the edge calculation module analyzes the received data in real time and sends the real-time analysis result to the wearable display terminal for visual display.
Further, the process of analyzing the received data in real time by the edge calculation module is as follows:
according to the temperature matrix of the infrared image, whether abnormal pixel points exist in the image range is inquired to judge whether temperature abnormal faults exist or not, and the positions of the temperature abnormal points are marked; judging ultrasonic frequency data at different positions, determining whether a partial discharge fault exists, and marking the fault position through an ultrasonic array; comparing the vibration waveform and the acceleration waveform frequency spectrum characteristic quantity with a built-in mechanical vibration frequency spectrum characteristic map library, judging whether a mechanical vibration fault exists or not, and marking the fault position; judging whether an operator keeps a safe distance from a charged body or not by analyzing the intensity of the digitally filtered 50HZ power frequency signal; whether the SF6 leakage fault exists is judged by analyzing the ionization degree of the gas in the high-frequency electromagnetic field.
Due to the adoption of the technical scheme, the invention has the following advantages:
(1) the system of the invention takes a portable polling computing terminal as a core, is connected with the sensor and the display unit through the sensing network communication module, can replace the sensor and the display unit according to the polling work requirement, and realizes the selective expansion of functions;
(2) all the modules are designed to be carried and worn, are small and light, can be worn on the bodies of inspection personnel in a complete set, realize the follow-up and follow-up inspection of the power distribution network inspection, obtain the detection result in time and automatically record and upload the detection result to the intranet of an enterprise, effectively troubleshoot faults, greatly improve the inspection efficiency and reduce the safety risk of the personnel;
(3) the invention can simultaneously detect the appearance, temperature, partial discharge, vibration, electric field, SF6, oxygen concentration and other conditions of the power distribution network equipment, can obtain a multi-project result by one-time detection, and avoids carrying multiple instruments for repeated detection;
(4) the portable routing inspection computing terminal is provided with a cellular network communication module and can be interconnected and intercommunicated with an enterprise intranet.
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In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings.
Fig. 1 is a schematic structural diagram of a wearable power distribution network intelligent inspection system based on a portable computing terminal according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a wearable distribution network intelligent inspection method based on a portable computing terminal according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, it being understood that the examples described are only some of the examples and are not intended to limit the invention to the embodiments described herein. All other embodiments available to those of ordinary skill in the art are intended to be within the scope of the embodiments of the present invention.
Referring to fig. 1, the present invention provides an embodiment of a wearable intelligent inspection system for distribution network based on a portable computing terminal, which is applied to inspection of distribution network power equipment, and the system includes a portable inspection computing terminal, a wearable display terminal and a wireless extensible sensor group; the portable polling computing terminal, the wearable display terminal and the wireless extensible sensor group are in wireless connection;
the wireless extensible sensor group is used for acquiring data required by power grid inspection; the required data comprises visible light images, infrared images, ultrasonic frequency data, vibration waveforms, vibration acceleration waveform frequency spectrum characteristic quantity, electric field size and distance, SF6 and oxygen concentration;
the portable routing inspection computing terminal is used for carrying out fault judgment according to data required by power grid routing inspection and sent by the wireless extensible sensor group and sending a fault judgment result to the wearable display terminal;
and the wearable display terminal is used for displaying the fault judgment result output by the portable routing inspection computing terminal so as to provide monitoring and guide field maintenance for a user.
In this embodiment, the portable inspection computing terminal is a miniaturized independent device, is carried by a power distribution network inspection worker, and comprises a sensing network signal transceiver module, an edge computing module and a cellular network signal transceiver module which are sequentially connected; the system also comprises a data storage module connected with the edge calculation module.
In this embodiment, the sensor network signal transceiver module can receive wireless data signals of the wireless extensible sensor group, transmit data with the edge computing terminal, and send the wireless data signals to the wearable display terminal;
the edge calculation module is used for calculating and analyzing various data acquired by the wireless extensible sensor group in real time, judging whether a fault exists or not, analyzing fault positions and abnormal parameter quantity, giving a routing inspection conclusion and generating a visual detection result; the visual detection result comprises a generated image, a chart and a video;
the cellular network signal receiving and transmitting module is used for connecting and transmitting data with an enterprise intranet;
and the data storage module is used for storing the data output by the edge calculation module to the local.
In this embodiment, the edge calculation module includes:
the fault judgment unit is used for inquiring whether abnormal pixel points exist in the image range according to the temperature matrix of the infrared image to judge whether the temperature is abnormal or not and marking the position of the abnormal temperature point; judging ultrasonic frequency data at different positions, determining whether a partial discharge fault exists, and marking the fault position through an ultrasonic array; comparing the vibration waveform and the acceleration waveform frequency spectrum characteristic quantity with a built-in mechanical vibration frequency spectrum characteristic map library, judging whether a mechanical vibration fault exists or not, and marking the fault position; judging whether an operator keeps a safe distance from a charged body or not by analyzing the intensity of the digitally filtered 50HZ power frequency signal; judging whether SF6 leakage fault exists or not by analyzing the ionization degree of the gas in the high-frequency electromagnetic field;
and the fault sending unit is used for sending the fault judgment result output by the fault judgment module to the wearable display terminal for visual display.
In this embodiment, the wireless expandable sensor group includes a multispectral chip, an ultrasonic wave acquisition module, a vibration acquisition module, an electric field magnitude distance acquisition module, SF6 and an oxygen concentration acquisition module, which are respectively connected to the portable inspection computing terminal; the wireless extensible sensor group also comprises a visible light acquisition module and an infrared acquisition module which are respectively connected with the multispectral chip.
In the embodiment, the visible light collection module and the infrared collection module are packaged in the same shell and are independent devices; the spectrum chip, the ultrasonic wave acquisition module, the vibration acquisition module, the electric field size distance acquisition module, the SF6 and the oxygen concentration acquisition module are respectively packaged independently, namely are packaged into independent devices respectively; there is no electrical connection between the individual devices.
In the embodiment, the visible light acquisition module and the infrared acquisition module are used for detecting the real-time video condition and the infrared image of the power distribution network equipment in a non-contact manner, transmitting the real-time video condition and the infrared image to the information multispectral chip through wired connection, and fusing the visible light image and the infrared image to acquire a real object ID signal and detect temperature;
the system comprises an ultrasonic wave acquisition module, a vibration acquisition module, an electric field size distance acquisition module, SF6 and an oxygen concentration acquisition module, wherein the ultrasonic wave acquisition module, the vibration acquisition module, the electric field size distance acquisition module, the SF6 and the oxygen concentration acquisition module are respectively used for detecting ultrasonic wave information, vibration waveforms, electric field size distances, SF6 and oxygen concentration of the power distribution network equipment; and the data information acquired by each sensor module is sent to the portable inspection computing terminal in a wireless transmission mode.
In this embodiment, the wearable display terminal includes a sensor network signal receiving module and a display module electrically connected to the sensor network signal receiving module; the sensor network signal receiving module and the display module are packaged in the same shell.
Referring to fig. 2, the present invention further provides an embodiment of a wearable distribution network intelligent inspection method based on a portable computing terminal, including the following steps:
s1, using a visible light acquisition module and an infrared acquisition module in the expandable wireless sensor group to detect real-time video pictures and infrared images of the power distribution network equipment in a non-contact manner;
s2, sending the information collected by the visible light collection module and the infrared collection module to a multispectral chip through a wired electric link to fuse the visible light image and the infrared image, acquiring a physical ID signal, and measuring and calculating the temperature;
s3, an ultrasonic wave acquisition module, a vibration acquisition module, an electric field size distance acquisition module, an SF6 and oxygen concentration acquisition module detect ultrasonic information, vibration waveforms, electric field size distances, SF6 and oxygen concentration signals of the power distribution network equipment in a non-contact mode;
s4, after each module of the expandable wireless sensor group collects the detection signal, the detection signal is transmitted to the sensor network signal transceiver module of the portable inspection computing terminal in a wireless transmission mode;
s5, after receiving the wireless signal input of the expandable wireless sensor group, the sensor network signal transceiver module of the portable polling computing terminal transmits the signal to the edge computing terminal in the same device in a wired mode for signal computation and fault diagnosis analysis, and is used for computing and analyzing the polling structure in real time and judging whether a fault exists, analyzing the fault position and the abnormal parameter quantity;
s6, the edge calculation module transmits the detection result data of data, images, charts and video formats to the sensor network signal transceiver module, the cellular network signal transceiver module and the data storage module in real time;
s7, the sensing network signal transceiving module wirelessly transmits the detection result data to the wearable display terminal;
s8, the cellular network signal transceiver module transmits the detection result data to an enterprise intranet;
s9, the data storage module stores the detection result data to the local;
s10, after receiving the detection result transmitted by the portable inspection computing terminal, the sensor network signal receiving module of the wearable display terminal transmits the detection result to the display module in a wired manner to display data, images, charts and videos;
s11, the field worker obtains the inspection result given by the display module, and the field worker can know the operation and maintenance detection structure, whether a fault exists, the fault type and the fault position of the power distribution network equipment in real time conveniently.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A wearable intelligent inspection system for a distribution network based on a portable computing terminal is applied to inspection of power equipment of the distribution network and is characterized by comprising the portable inspection computing terminal, a wearable display terminal and a wireless extensible sensor group; the portable routing inspection computing terminal, the wearable display terminal and the wireless extensible sensor group are in wireless connection;
the wireless extensible sensor group is used for acquiring data required by power grid inspection; the required data comprises visible light images, infrared images, ultrasonic frequency data, vibration waveforms, vibration acceleration waveform frequency spectrum characteristic quantity, electric field size and distance, SF6 and oxygen concentration;
the portable routing inspection computing terminal is used for carrying out fault judgment according to data required by power grid routing inspection and sent by the wireless extensible sensor group and sending a fault judgment result to the wearable display terminal;
and the wearable display terminal is used for displaying the fault judgment result output by the portable inspection computing terminal so as to provide monitoring and guide on-site maintenance for a user.
2. The system of claim 1, wherein the portable inspection computing terminal is a miniaturized independent device carried by a power distribution network inspection worker and comprises a sensing network signal transceiver module, an edge computing module and a cellular network signal transceiver module which are sequentially connected; the system also comprises a data storage module connected with the edge calculation module.
3. The system of claim 2, wherein the sensor network signal transceiver module is capable of receiving wireless data signals of the wireless expandable sensor group, transmitting data with the edge computing terminal, and sending wireless data signals to the wearable display terminal;
the edge calculation module is used for calculating and analyzing various data acquired by the wireless extensible sensor group in real time, judging whether a fault exists or not, analyzing fault positions and abnormal parameter quantity, giving a routing inspection conclusion and generating a visual detection result; wherein the visual detection result comprises a generated image, a chart and a video;
the cellular network signal transceiver module is used for being connected with an enterprise intranet to transmit data to the enterprise intranet;
and the data storage module is used for storing the data output by the edge calculation module to the local.
4. The system of claim 3, wherein the edge calculation module comprises:
the fault judgment unit is used for inquiring whether abnormal pixel points exist in the image range according to the temperature matrix of the infrared image to judge whether the temperature is abnormal or not and marking the position of the abnormal temperature point; judging the ultrasonic frequency data at different positions, determining whether a partial discharge fault exists, and marking the fault position through an ultrasonic array; comparing the vibration waveform and the acceleration waveform frequency spectrum characteristic quantity with a built-in mechanical vibration frequency spectrum characteristic map library, judging whether a mechanical vibration fault exists or not, and marking the fault position; judging whether an operator keeps a safe distance from a charged body or not by analyzing the intensity of the digitally filtered 50HZ power frequency signal; by analyzing the ionization degree of the gas in the high-frequency electromagnetic field, whether SF exists or not is judged 6 A leak failure;
and the fault sending unit is used for sending the fault judgment result output by the fault judgment module to the wearable display terminal for visual display.
5. The system according to claim 1, wherein the wireless expandable sensor group comprises a multispectral chip, an ultrasonic wave acquisition module, a vibration acquisition module, an electric field size distance acquisition module, SF6 and an oxygen concentration acquisition module which are respectively connected with the portable inspection computing terminal; the wireless extensible sensor group further comprises a visible light acquisition module and an infrared acquisition module which are respectively connected with the multispectral chip.
6. The system of claim 5, wherein the visible light collection module and the infrared collection module are packaged in the same housing as a single device; the spectrum chip, the ultrasonic wave acquisition module, the vibration acquisition module, the electric field size distance acquisition module, the SF6 and the oxygen concentration acquisition module are respectively packaged independently, namely are packaged into independent devices respectively; there is no electrical connection between the separate devices.
7. The system of claim 5, wherein the visible light collection module and the infrared collection module are used for detecting real-time video conditions and infrared images of the power distribution network equipment in a non-contact manner, transmitting the real-time video conditions and the infrared images to the information multispectral chip through wired connection, and fusing the visible light images and the infrared images to obtain real ID signals and temperature detection;
the ultrasonic wave acquisition module, the vibration acquisition module, the electric field size distance acquisition module, the SF6 and the oxygen concentration acquisition module are respectively used for detecting ultrasonic wave information, vibration waveforms, electric field size distances, SF6 and oxygen concentration of the power distribution network equipment; and the data information acquired by each sensor module is sent to the portable inspection computing terminal in a wireless transmission mode.
8. The system of claim 1, wherein the wearable display terminal comprises a sensor network signal receiving module, and a display module electrically connected to the sensor network signal receiving module; the sensor network signal receiving module and the display module are packaged in the same shell.
9. A wearable distribution network intelligent inspection method based on a portable computing terminal is characterized by comprising the following steps:
collecting visible light images and infrared images of distribution network power equipment, splicing and fusing the images of infrared and visible light by using an NSCT (non-subsampled Contourlet transform) and Simese network fusion algorithm based on a multispectral chip, and sending a fused video stream to a sensor network signal transceiving module;
collecting ultrasonic array information, vibration waveforms, electric field size distance, SF6 and oxygen concentration of power distribution network equipment, and sending the ultrasonic array information, vibration waveforms, electric field size distance, SF6 and oxygen concentration to a sensing network signal transceiving module;
the sensor network signal transceiver module sends the received information to the edge calculation module;
the edge calculation module analyzes the received data in real time and sends the real-time analysis result to the wearable display terminal for visual display.
10. The method of claim 9, wherein the real-time analysis of the received data by the edge calculation module is performed by:
according to the temperature matrix of the infrared image, whether abnormal pixel points exist in the image range is inquired to judge whether temperature abnormal faults exist or not, and the positions of the temperature abnormal points are marked; judging ultrasonic frequency data at different positions, determining whether a partial discharge fault exists, and marking the fault position through an ultrasonic array; comparing the vibration waveform and the acceleration waveform frequency spectrum characteristic quantity with a built-in mechanical vibration frequency spectrum characteristic map library, judging whether a mechanical vibration fault exists or not, and marking the fault position; judging whether an operator keeps a safe distance from a charged body or not by analyzing the intensity of the digitally filtered 50HZ power frequency signal; whether the SF6 leakage fault exists is judged by analyzing the ionization degree of the gas in the high-frequency electromagnetic field.
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| CN117309055A (en) * | 2023-09-28 | 2023-12-29 | 国网重庆市电力公司电力科学研究院 | Electric power inspection test equipment |
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