CN114061665A - Non-contact type inspection system and method applied to power distribution station room equipment - Google Patents
Non-contact type inspection system and method applied to power distribution station room equipment Download PDFInfo
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- CN114061665A CN114061665A CN202111375478.9A CN202111375478A CN114061665A CN 114061665 A CN114061665 A CN 114061665A CN 202111375478 A CN202111375478 A CN 202111375478A CN 114061665 A CN114061665 A CN 114061665A
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- 230000004927 fusion Effects 0.000 claims description 32
- 238000013500 data storage Methods 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 13
- 238000012423 maintenance Methods 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 description 3
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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Abstract
The invention discloses a non-contact type inspection system and a non-contact type inspection method applied to power distribution station room equipment, and relates to the technical field of power distribution station room equipment detection, wherein the system comprises a shell, and an ultrasonic acquisition module, an infrared image acquisition module and a vibration acquisition module which are positioned outside the shell; the ultrasonic wave acquisition module, the infrared image acquisition module and the vibration acquisition module are electrically connected with a sensing data calculation module, and the sensing data calculation module is electrically connected with a fault data judgment module. The method comprises 7 steps. The detection personnel do not need to be close to the switch cabinet, only need keep a distance with the switch cabinet, in the range that ultrasonic wave collection module, infrared image collection module, vibration collection module can detect, just can detect required data information to detect out the fault condition, reduce detection personnel's safety risk relatively.
Description
Technical Field
The invention relates to the technical field of detection of power distribution station room equipment, in particular to a non-contact type inspection system and a non-contact type inspection method applied to the power distribution station room equipment.
Background
In the technical field of power grid detection, a switch cabinet in a power distribution station room is important electrical equipment, and potential main faults of the switch cabinet, such as local discharge, local overheating of the equipment, abnormal vibration and the like, are inspected and comprehensively evaluated, so that the switch cabinet is an important measure for ensuring safe and stable operation of the switch cabinet.
Traditional detection tool is the contact detection, needs measurement personnel to be close to the cubical switchboard, uses the detection tool to contact each electric elements and accomplishes the detection. Due to the large number of electrical components, there is a great safety risk in this way of contact detection.
Disclosure of Invention
The invention aims to: in view of the above existing problems, a non-contact inspection system and method applied to power distribution station room equipment are provided, which can realize detection without detection personnel approaching a switch cabinet.
The technical scheme adopted by the invention is as follows:
a non-contact type inspection system applied to power distribution station room equipment is used for inspecting the condition of a switch cabinet and comprises a shell, and an ultrasonic wave acquisition module, an infrared image acquisition module and a vibration acquisition module which are positioned outside the shell; the ultrasonic wave acquisition module, the infrared image acquisition module and the vibration acquisition module are electrically connected with a sensing data calculation module, and the sensing data calculation module is electrically connected with a fault data judgment module.
By adopting the technical scheme, the ultrasonic wave acquisition module, the infrared image acquisition module and the vibration acquisition module are used for detecting the ultrasonic wave condition, the infrared image condition and the vibration condition of the switch cabinet in a non-contact manner, and the fault data judgment module carries out fault judgment according to each detected information to finally determine the fault condition of the switch cabinet.
Preferably, the non-contact inspection system applied to the power distribution station room equipment further comprises a video acquisition module located outside the shell, and the video acquisition module is electrically connected with the sensor data calculation module.
By adopting the technical scheme, the video acquisition module is used for shooting video images in the switch cabinet, so that the real-time condition of the switch cabinet in the detection process can be conveniently recorded.
Preferably, the sensor data calculation module is electrically connected with the multi-image fusion module, the fault data judgment module is also electrically connected with the multi-image fusion module, and the multi-image fusion module is electrically connected with the fault position marking module.
By adopting the technical scheme, the multi-image fusion module is used for fusing the fault information judged by the fault data judgment module with the video image shot by the video acquisition module, and the fault position marking module is used for marking the specific fault position, type and grade in the image formed by fusing the multi-image fusion module.
Preferably, the fault position marking module is electrically connected with the display module.
By adopting the technical scheme, the display module is used for displaying the image marked by the fault position marking module, so that detection personnel can know the fault condition in real time and judge whether to need real-time maintenance or follow-up maintenance.
Preferably, the fault data judgment module and the fault position marking module are both electrically connected with a data storage module, the data storage module is electrically connected with a communication module, and the communication module is electrically connected with a far-end background.
By adopting the technical scheme, the data storage module and the communication module are matched to send the image marked by the fault position marking module to the far-end background, so that the far-end background can record the detection condition, background personnel can know the fault condition and judge whether to arrange secondary detection or on-site maintenance.
A non-contact inspection method applied to power distribution station room equipment uses the non-contact inspection system applied to the power distribution station room equipment, and comprises the following steps:
s01, the ultrasonic wave acquisition module, the infrared image acquisition module and the vibration acquisition module respectively send acquired ultrasonic data, infrared images and vibration data to the sensing data calculation module;
s02, the sensor data calculation module calculates and summarizes the received ultrasonic data, the infrared images and the vibration data to form summarized data, and the summarized data are sent to the fault data judgment module;
and S03, the fault data judgment module analyzes the received summarized data and judges faults to form fault judgment information.
By adopting the technical scheme, the ultrasonic wave acquisition module, the infrared image acquisition module, the video acquisition module and the vibration acquisition module respectively acquire required information, the sensor data calculation module forms each information into summarized data, the fault data judgment module is convenient for fault judgment, and each module is mutually matched to realize the detection purpose.
Preferably, in step S01, the video capture module captures a video image and sends the video image to the sensor data calculation module; in step S02, the sensor data calculation module further sends the video image to the multi-image fusion module; in step S03, the failure data determination module sends the failure determination information to the multi-image fusion module.
Preferably, after step S03, the method further includes the steps of:
and S04, the multi-image fusion module fuses the received video image and the fault judgment information to form a fusion image, and the fusion image is sent to the fault position marking module.
Preferably, after step S04, the method further includes the steps of:
and S05, the fault position marking module marks different faults in the received fusion image differently, marks the faults in different levels differently to form a fault marking image, and sends the fault marking image to the display module and the data storage module.
Preferably, after step S05, the method further includes the steps of:
s06, the display module displays the received fault mark image; the data storage module sends the received fault marking image to a far-end background through the communication module, and the far-end background judges whether to arrange secondary detection or on-site maintenance according to the fault marking image.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that: the ultrasonic wave acquisition module, the infrared image acquisition module and the vibration acquisition module can detect the ultrasonic condition, the infrared image and the vibration condition of the switch cabinet in a non-contact mode respectively, and the fault data judgment module carries out fault judgment according to detected information to finally determine the fault condition of the switch cabinet. The detection personnel do not need to be close to the switch cabinet, only need keep a distance with the switch cabinet, in the range that ultrasonic wave collection module, infrared image collection module, vibration collection module can detect, just can detect required data information to detect out the fault condition, reduce detection personnel's safety risk relatively.
Drawings
Fig. 1 is a schematic block diagram of a non-contact inspection system applied to power distribution station room equipment.
Fig. 2 is a flowchart of a non-contact inspection method applied to power distribution station room equipment.
The labels in the figure are: the system comprises an ultrasonic acquisition module-1, an infrared image acquisition module-2, a vibration acquisition module-3, a video acquisition module-4, a sensing data calculation module-5, a fault data judgment module-6, a multi-image fusion module-7, a data storage module-8, a fault position marking module-9, a display module-10, a communication module-11 and a far-end background-12.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Please refer to fig. 1, a non-contact inspection system applied to power distribution station room equipment for inspecting the condition of a switch cabinet, comprising a housing and an ultrasonic acquisition module 1, an infrared image acquisition module 2, a vibration acquisition module 3 and a video acquisition module 4, wherein the ultrasonic acquisition module 1 is an ultrasonic sensor for acquiring ultrasonic data in the switch cabinet, the infrared image acquisition module 2 is an infrared camera for shooting infrared images in the switch cabinet, the vibration acquisition module 3 is a vibration sensor for acquiring vibration data in the switch cabinet, and the video acquisition module 4 is a camera for shooting video images in the switch cabinet.
Ultrasonic acquisition module 1, infrared image acquisition module 2, vibration acquisition module 3, the equal electric connection of video acquisition module 4 has sensing data calculation module 5, sensing data calculation module 5 electric connection has fault data judgment module 6 and many image fusion module 7, fault data judgment module 6 also with many image fusion module 7 electric connection, still electric connection has data storage module 8, many image fusion module 7 electric connection has fault position mark module 9, fault position mark module 9 electric connection has display module 10, display module 10 also with data storage module 8 electric connection, 8 electric connection of data storage module has communication module 11, 11 electric connection of communication module has distal end backstage 12. The display module 10 is an LCD display screen fixed on the outer surface of the housing for displaying the image or data transmitted by the fault location marking module 9. The communication module 11 is a wireless 4G network communication module 11.
Referring to fig. 2, a non-contact inspection method applied to power distribution station room equipment is based on the non-contact inspection system applied to the power distribution station room equipment, and includes the following steps:
s01: the ultrasonic wave acquisition module, the infrared image acquisition module, the vibration acquisition module and the video acquisition module respectively acquire ultrasonic data, infrared images, vibration data and video images in the switch cabinet and respectively send the ultrasonic data, the infrared images, the vibration data and the video images to the sensing data calculation module;
s02: the sensor data calculation module calculates and summarizes the received ultrasonic data, infrared images and vibration data, and sends the calculated ultrasonic frequency data, temperature image data and vibration frequency data to the fault data judgment module through Fourier transform; the sensor data calculation module also sends the received video image to the multi-image fusion module;
s03: the fault data judgment module analyzes the received ultrasonic frequency data, temperature image data and vibration frequency data and judges a fault: judging the ultrasonic frequency data at different positions to determine whether a partial discharge fault exists; judging whether a temperature abnormal fault exists in an image range or not according to the two-dimensional gradient of the temperature image data; judging whether a mechanical vibration fault exists according to the vibration fault characteristics and the vibration frequency data of different distribution network equipment; forming fault judgment information according to the judgment result, and sending the fault judgment information to the multi-image fusion module and the data storage module;
s04: the multi-image fusion module takes the received video image as a basic reference coordinate system, fuses the received fault judgment information with the video image to form a fusion image, and sends the fusion image to the fault position marking module;
s05: the fault position marking module marks the received fusion image: marking the partial discharge fault position by using a green square frame, marking the temperature fault abnormal position by using a white square frame, marking the mechanical vibration fault position by using a black square frame, marking the severity of each fault, and respectively using red, orange, yellow and blue triangles to represent that the severity of the fault is from high to low; the marked fusion image forms a fault marking image, and the fault position marking module sends the fault marking image to the display module and the data storage module;
s06: the display module receives and displays the fault marking image for the detection personnel to check, so that the detection personnel can know the fault condition in real time and judge whether real-time maintenance or follow-up maintenance is needed;
s07: the data storage module sends the received fault marking image to the far-end background through the communication module, so that the far-end background can record the detection condition, background personnel can know the fault condition and judge whether to arrange secondary detection or on-site maintenance.
The system and the method provide a fusion detection mode based on ultrasonic waves, infrared waves and vibration, realize rapid, non-contact and visual detection of partial discharge, temperature abnormity and mechanical vibration faults of the switch cabinet, can effectively perform comprehensive evaluation on the state of the switch cabinet, improve the detection efficiency, and provide a new idea for the follow-up research of routing inspection of distribution network equipment. And the non-contact and visual inspection modes can effectively guarantee the personal safety of detection personnel, directly find potential problems and defects, evaluate the operation state of the switch cabinet in time, reduce the accident probability and improve the operation reliability of the power grid.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to aid in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A non-contact type inspection system applied to power distribution station room equipment is used for inspecting the condition of a switch cabinet and is characterized by comprising a shell, and an ultrasonic wave acquisition module, an infrared image acquisition module and a vibration acquisition module which are positioned outside the shell; the ultrasonic wave acquisition module, the infrared image acquisition module and the vibration acquisition module are electrically connected with a sensing data calculation module, and the sensing data calculation module is electrically connected with a fault data judgment module.
2. The non-contact routing inspection system applied to power distribution station room equipment according to claim 1, further comprising a video acquisition module located outside the housing, the video acquisition module being electrically connected to the sensor data calculation module.
3. The non-contact inspection system applied to power distribution station room equipment according to claim 2, wherein the sensor data calculation module is electrically connected with the multi-image fusion module, the fault data judgment module is also electrically connected with the multi-image fusion module, and the multi-image fusion module is electrically connected with the fault position marking module.
4. The non-contact routing inspection system applied to power distribution station room equipment according to claim 3, wherein the fault location marking module is electrically connected with a display module.
5. The non-contact inspection system applied to power distribution station room equipment according to claim 4, wherein the fault data judgment module and the fault position marking module are both electrically connected with a data storage module, the data storage module is electrically connected with a communication module, and the communication module is electrically connected with a remote background.
6. A non-contact inspection method applied to power distribution station room equipment, which uses the non-contact inspection system applied to the power distribution station room equipment according to claim 5, and comprises the following steps:
s01, the ultrasonic wave acquisition module, the infrared image acquisition module and the vibration acquisition module respectively send acquired ultrasonic data, infrared images and vibration data to the sensing data calculation module;
s02, the sensor data calculation module calculates and summarizes the received ultrasonic data, the infrared images and the vibration data to form summarized data, and the summarized data are sent to the fault data judgment module;
and S03, the fault data judgment module analyzes the received summarized data and judges faults to form fault judgment information.
7. The non-contact inspection method applied to the power distribution station room equipment according to claim 6, wherein in the step S01, the video acquisition module acquires a video image and sends the video image to the sensor data calculation module;
in step S02, the sensor data calculation module further sends the video image to the multi-image fusion module; in step S03, the failure data determination module sends the failure determination information to the multi-image fusion module.
8. The non-contact inspection method applied to the power distribution station room equipment according to claim 7, wherein the step S03 is followed by the steps of:
and S04, the multi-image fusion module fuses the received video image and the fault judgment information to form a fusion image, and the fusion image is sent to the fault position marking module.
9. The non-contact inspection method applied to the power distribution station room equipment according to claim 8, wherein the step S04 is followed by the steps of:
and S05, the fault position marking module marks different faults in the received fusion image differently, marks the faults in different levels differently to form a fault marking image, and sends the fault marking image to the display module and the data storage module.
10. The non-contact inspection method applied to the power distribution station room equipment according to claim 9, wherein the step S05 is followed by the steps of:
s06, the display module displays the received fault mark image; the data storage module sends the received fault marking image to a far-end background through the communication module, and the far-end background judges whether to arrange secondary detection or on-site maintenance according to the fault marking image.
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