CN111553176B - Wireless transmission checking method and system suitable for wiring of substation screen cabinet - Google Patents
Wireless transmission checking method and system suitable for wiring of substation screen cabinet Download PDFInfo
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- CN111553176B CN111553176B CN202010362717.6A CN202010362717A CN111553176B CN 111553176 B CN111553176 B CN 111553176B CN 202010362717 A CN202010362717 A CN 202010362717A CN 111553176 B CN111553176 B CN 111553176B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1417—2D bar codes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Abstract
The invention discloses a wireless transmission checking method and a wireless transmission checking system suitable for wiring of a screen cabinet of a transformer substation, which are characterized in that mobile equipment is used for binding screen cabinet equipment and cables of the transformer substation, corresponding electronic two-dimension code identifiers are generated, and the electronic two-dimension code identifiers are sequentially stored in a cloud database; collecting a wiring picture of a substation screen cabinet to be checked, preprocessing the wiring picture of the screen cabinet, and sending the preprocessing picture to a cloud database for classified storage; the Bluetooth protocol converter of the USB is matched with Bluetooth of a station end workstation, and a preprocessed picture in a cloud database and a corresponding electronic two-dimension code identifier are obtained and transmitted to a two-dimension code image recognition server; and comparing and analyzing the preprocessed picture and the electronic two-dimensional code identifier by using an analysis model, outputting an inspection result, transmitting the inspection result by combining with the Bluetooth running body, and displaying the inspection result in the mobile device. The invention improves the safety of data transmission and solves the problems that the wiring of the screen cabinet of the transformer substation is easy to miss and leak, the efficiency is low, potential safety hazards exist and the equipment with the same appearance cannot be identified by manual inspection.
Description
Technical Field
The invention relates to the technical fields of wiring, bluetooth transmission and image quantity of a secondary circuit screen cabinet of a transformer substation, in particular to a wireless transmission checking method and system suitable for wiring of the screen cabinet of the transformer substation.
Background
The transformer substation comprises important production and operation equipment in the power system, realizes the functions of conversion, power transmission distribution, control and the like of different voltage levels, is a key link for ensuring normal operation of power supply, and provides effective technical support for an intelligent power grid along with rapid development of the technology of the Internet of things, wide application of the intelligent image recognition technology, popularization of application of the camera image monitoring technology of a high-definition network and promotion and development of the computer and communication technology in recent years.
The secondary system devices in the transformer substation are numerous in equipment and various cables, and the secondary system devices comprise a relay protection device, a safety automatic device, a fault wave recording device, a relay protection fault information system substation, a merging unit device, a network switch, an intelligent terminal device and the like. Secondary wiring in a transformer substation is very complex, and whether the secondary wiring is accurate or not is related to the operation safety of a power grid, so that the secondary wiring has a very important position. Such complex external wiring also presents significant challenges for installation and maintenance. At present, the wiring operation is mainly performed by manually checking the wiring of the secondary screen cabinet on site, and in the construction process of the secondary cable of the transformer substation, field technicians manually perform the wiring operation according to construction drawings. In actual work, the wiring errors are mainly checked by a mode of point-to-point searching in the manual checking and debugging process, and the method has the defects of low efficiency and large workload, and has the defects of missing checking and increased possibility of introducing human errors, and the wiring errors of a transformer substation site are not easy to find, so that potential safety hazards are brought to the stable operation of the transformer substation.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present application has been made in view of the above-described problems occurring in the prior art.
Therefore, the technical problems solved by the application are as follows: manual inspection transformer substation screen cabinet wiring is prone to error leakage, low in efficiency and has the problem of potential safety hazard, the problem of identical appearance equipment cannot be accurately identified, and the two-dimensional code tag is easy to damage and cannot be generated in an offline state.
In order to solve the technical problems, the application provides the following technical scheme: binding a screen cabinet device and a cable of a transformer substation by using mobile equipment, generating corresponding electronic two-dimensional code identifiers, and sequentially storing the identifiers into a cloud database; collecting a wiring picture of a substation screen cabinet to be checked, preprocessing the wiring picture of the screen cabinet, and sending the preprocessing picture to the cloud database for classified storage; the Bluetooth protocol converter of the USB is matched with Bluetooth of a station end workstation, and a preprocessed picture in the cloud database and the corresponding electronic two-dimensional code identifier are obtained and transmitted to a two-dimensional code image recognition server; and comparing and analyzing the preprocessed picture and the electronic two-dimensional code identifier by using an inspection model, outputting an inspection result, and transmitting the inspection result by combining a Bluetooth running body and displaying the inspection result in the mobile device.
As a preferred embodiment of the wireless transmission inspection method applicable to the wiring of the substation screen cabinet, the invention comprises the following steps: generating the electronic two-dimensional code identification comprises the steps of transmitting the substation design drawing file to the mobile equipment by using a serial port protocol, respectively reading a screen cabinet ID, a cable ID and a terminal number tag ID, and sequentially carrying out classified storage to finish matching binding; dynamically acquiring the bound ID information by using js plug-in units and generating the electronic two-dimensional code identifier by using the data information recorded in the cloud database; the mobile equipment is internally provided with a two-dimensional code reading engine, automatically identifies information in the electronic two-dimensional code identifier, and if the wireless network state is normal, directly feeds the identified information back to the cloud database and transmits the information by utilizing the Bluetooth; if the wireless network state is abnormal, the Bluetooth running body directly receives and stores the identified information, and uploads the information to the cloud database for storage when the network is recovered to be normal.
As a preferred embodiment of the wireless transmission inspection method applicable to the wiring of the substation screen cabinet, the invention comprises the following steps: the preprocessing comprises the steps of drying the screen cabinet wiring picture by utilizing a noise threshold strategy, setting a threshold value, and sequentially detecting pixels in the screen cabinet wiring picture; comparing the pixel with other pixels in the neighborhood, judging whether the pixel is a noise point, if so, replacing the pixel with the average value of the gray scales of all the pixels in the neighborhood, and if not, outputting the pixel with the original gray scale value; sharpening the screen cabinet wiring picture by utilizing a Sobel operator, and combining pixels on two sides of the edge of the weighted average enhanced picture; performing convolution on the Sobel operator and the screen cabinet wiring picture by utilizing differential approximate differential strategy processing to finish detection, and finding a set of partial pixels with most obvious local brightness change in an image; and dividing image areas with different meanings according to the gray level, color and geometric property of the wiring picture of the screen cabinet, selecting a threshold value, and carrying out binary segmentation by using gray level frequency distribution information to obtain an information characteristic image after preprocessing.
As a preferred embodiment of the wireless transmission inspection method applicable to the wiring of the substation screen cabinet, the invention comprises the following steps: the step of identifying the preprocessed picture comprises that the mobile equipment is connected with the USB Bluetooth protocol converter of the station-side workstation and is matched with Bluetooth, and the preprocessed picture in the cloud database and the corresponding electronic two-dimensional code identification are transmitted to the two-dimensional code image identification server; invoking the inspection model in the two-dimensional code image recognition server to recognize and compare the preprocessed pictures, and simultaneously, recognizing the corresponding electronic two-dimensional code identification information by the two-dimensional code reading engine in the mobile equipment; and the two-dimensional code image recognition server respectively integrates and analyzes the recognition result of the inspection model and the recognition result of the two-dimensional code reading engine, outputs a final recognition result and transmits the final recognition result into the mobile device by utilizing the Bluetooth running body for display.
As a preferred embodiment of the wireless transmission inspection method applicable to the wiring of the substation screen cabinet, the invention comprises the following steps: the inspection model comprises a feature space analysis model, a decision model and a Bayesian discrimination model; the feature space analysis model is constructed by utilizing multi-feature collaborative classification, the decision model is constructed by utilizing a least squares regression strategy, and the Bayesian discriminant model is constructed by utilizing a Bayesian linear discriminant analysis strategy; collecting relevant data of substation screen cabinet wiring, constructing a data sample, inputting the data sample into the characteristic space analysis model, analyzing a multi-characteristic target of the data sample, and identifying the data quantity of the target characteristic; transmitting the current quantity in a circuit operation database in the transformer substation into the decision model, and judging the pulse quantity transmitted by the screen cabinet wiring by utilizing a gradual partial least squares regression strategy; converting the electronic two-dimensional code identifier into a data operation index and importing the data operation index into the Bayesian discrimination model to analyze the switching value of a circuit equipment connecting line; the inspection model receives the data quantity, the pulse quantity and the switching value, performs fusion processing and abnormal probability calculation, and if the probability of the processing result is more than or equal to 0.5, the inspection result is abnormal, and the wiring of the screen cabinet is wrong; if the probability of the processing result is smaller than 0.5, the checking result is normal, and the screen cabinet is correctly connected.
As a preferred embodiment of the wireless transmission inspection method applicable to the wiring of the substation screen cabinet, the invention comprises the following steps: the inspection model respectively compares the information characteristic image with standard pictures stored in the cloud database, and whether the information characteristic image is changed or not is analyzed by subtraction operation, wherein the method comprises the following steps:
ΔP i (x，y)＝P i (x，y)-P(x，y)
wherein P is i (x, y): the image currently to be discriminated and processed, P (x, y): standard images in a cloud database; if the wiring operation state of the substation screen cabinet is normal, the information characteristic image is not abnormal, and the formula is 0; if the wiring operation state of the substation screen cabinet is abnormal, the information characteristic image is abnormal, and the formula is not 0.
As a preferred embodiment of the wireless transmission inspection method applicable to the wiring of the substation screen cabinet, the invention comprises the following steps: generating the checking result comprises the steps of utilizing the station end workstation to enter a log directory stored in a script in a python36 environment, and sending an identification operation execution command; checking whether two log texts appear under the log catalog, if so, successfully reading the identification operation execution command, and if not, failing to read; entering an ai directory to perform operation, when no data exists, presenting a prompt that the current log is not readable temporarily, and when data is input, feeding back the information characteristic image path for reading and identifying; and after the processing is completed, generating the checking result and transmitting the checking result to the cloud database for storage.
As a preferred embodiment of the wireless transmission inspection method applicable to the wiring of the substation screen cabinet, the invention comprises the following steps: the checking result comprises the number, the type and the wiring space of the screen cabinet equipment; the screen cabinet ID, the screen cabinet number, the screen cabinet data type and the belonging substation ID; grouping tag ID, grouping tag name, grouping tag data type and belonging screen cabinet ID; terminal number sleeve tag ID, terminal number, sleeve tag, belonging group tag ID.
As a preferred embodiment of the wireless transmission inspection system for wiring a substation screen cabinet according to the present invention, the wireless transmission inspection system comprises: the information acquisition module is used for acquiring the substation screen cabinet wiring related data and shooting related picture information; the identification module is connected with the information acquisition module and used for receiving input data to generate the identification result and storing the identification result in the cloud database, and comprises a calculation unit, an inspection unit, an extraction unit and an input/output management unit, wherein the calculation unit is used for calculating frequency characteristic vectors and matrix relation formulas of the substation screen cabinet wiring related data, processing optimization parameters and threshold values of the inspection model, the inspection unit is used for detecting, comparing and judging whether the calculation result of the calculation unit accords with a standard image of normal state operation or not, the extraction unit is used for extracting abnormal characteristic parameters in the inspection unit, and the input/output management unit is used for transmitting various required parameters and outputting the identification result to be stored in the cloud database; the positioning module is connected with the extraction unit and is used for receiving the extracted abnormal characteristic parameters and locking the positions of the abnormal characteristic parameters in the information characteristic images; the control module regulates and controls the information acquisition module, the identification module and the positioning module to operate, and is used for integrating the identification result and the characteristic position locked by the positioning module to generate the inspection result.
As a preferred embodiment of the wireless transmission inspection system for wiring a substation screen cabinet according to the present invention, the wireless transmission inspection system comprises: the Bluetooth module is connected with the information acquisition module and the identification module and is used for data transmission among the USB Bluetooth protocol converter, the Bluetooth running body and the two-dimensional code image identification server, receiving the identification result of the identification module and converting the identification result into a data packet to be uploaded to a mobile terminal for display; the display module is connected with the Bluetooth module and is used for receiving the data packet, reading the information content of the data packet and displaying the data packet in the mobile terminal.
The invention has the beneficial effects that: according to the invention, the encryption algorithm in Bluetooth 4.0 is used for transmission to encrypt and authenticate the data packet, so that the safety of data transmission is improved, the complicated work of erecting a wireless network is avoided, labor and financial resources are saved, the problems of error and leakage of wiring, low efficiency and potential safety hazard of a screen cabinet of a transformer substation in the current manual inspection and the problem of incapability of accurately identifying the same appearance equipment are solved based on the two-dimension code technology and the image identification technology, meanwhile, the electronic two-dimension code identification method is provided for solving the problem that the existing two-dimension code label is easy to damage and needs maintenance, the occurrence of the problem is avoided, the complete information of the two-dimension code identification can be obtained in an off-line state, and the manual inspection equipment is convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a flow chart of a wireless transmission checking method suitable for wiring a substation screen cabinet according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of RGB color feature space coordinates of a wireless transmission inspection method applicable to wiring of a substation panel according to a first embodiment of the present invention;
fig. 3 is a schematic diagram of an electronic two-dimensional code identifier generating flow of a wireless transmission checking method applicable to wiring of a substation screen cabinet according to a first embodiment of the present invention;
fig. 4 is a schematic diagram showing the result of comparing the efficiency and accuracy of the conventional method of the wireless transmission inspection method suitable for the wiring of the substation screen cabinet according to the first embodiment of the present invention with the test of the present invention;
fig. 5 is a schematic block diagram illustrating a wireless transmission inspection system applicable to wiring of a substation panel according to a second embodiment of the present invention;
Fig. 6 is a schematic diagram of a network topology of a wireless transmission inspection system suitable for wiring a substation panel according to a second embodiment of the present invention.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
While the embodiments of the present invention have been illustrated and described in detail in the drawings, the cross-sectional view of the device structure is not to scale in the general sense for ease of illustration, and the drawings are merely exemplary and should not be construed as limiting the scope of the invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Also in the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper, lower, inner and outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first, second, or third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected, and coupled" should be construed broadly in this disclosure unless otherwise specifically indicated and defined, such as: can be fixed connection, detachable connection or integral connection; it may also be a mechanical connection, an electrical connection, or a direct connection, or may be indirectly connected through an intermediate medium, or may be a communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
The secondary wiring in the transformer substation is very complex, whether the secondary wiring is accurate or not is related to the operation safety of a power grid, so that the secondary wiring has very important importance, the secondary wiring is mainly performed by manually checking the wiring of a secondary screen cabinet on site at present, and in the construction process of the secondary cable site of the transformer substation, field technicians perform wiring operation manually according to construction drawings.
Referring to fig. 1, a first embodiment of the present invention provides a wireless transmission checking method applicable to wiring of a substation panel, including:
s1: and binding the screen cabinet equipment and the cable of the transformer substation by using the mobile equipment, generating corresponding electronic two-dimension code identifiers, and sequentially storing the identifiers into a cloud database. The method for generating the electronic two-dimensional code identifier includes the following steps:
transmitting a substation design drawing file to mobile equipment by using a serial port protocol, respectively reading a screen cabinet ID, a cable ID and a terminal number tag ID, and sequentially carrying out classified storage to finish matching and binding;
Dynamically acquiring the bound ID information and the data information recorded in the cloud database by using js plug-in to generate an electronic two-dimensional code identifier;
a two-dimensional code reading engine is arranged in the mobile equipment, information in the electronic two-dimensional code identification is automatically identified, and if the wireless network state is normal, the identified information is directly fed back to a cloud database and the information is transmitted by utilizing Bluetooth;
if the wireless network state is abnormal, the Bluetooth running body directly receives and stores the identified information, and the information is uploaded to the cloud database to be stored when the network is recovered to be normal.
S2: and collecting a wiring picture of the substation screen cabinet to be checked, preprocessing the wiring picture of the screen cabinet, and sending the preprocessing picture to a cloud database for classified storage. The step is to be noted, the preprocessing includes:
removing dryness of the cabinet wiring pictures by using a noise threshold strategy, setting a threshold value, and sequentially detecting pixels in the cabinet wiring pictures;
comparing the pixels with other pixels in the neighborhood, judging whether the pixels are noise points, if so, replacing the pixels with the average gray value of all the pixels in the neighborhood, and if not, outputting the pixels with the original gray value;
sharpening the screen cabinet wiring picture by utilizing a Sobel operator, and combining weighted average to enhance pixels at two sides of the edge of the picture;
Performing convolution on a Sobel operator and a screen cabinet wiring picture by utilizing differential approximate differential strategy processing to finish detection, and finding a set of partial pixels with most obvious local brightness change in an image;
dividing image areas with different meanings according to gray level, color and geometric property of the wiring pictures of the screen cabinet, selecting a threshold value, and carrying out binarization segmentation by using gray level frequency distribution information to obtain an information characteristic image after preprocessing.
Further, the image segmentation needs to satisfy a certain segmentation condition, including:
there is a significant difference between adjacent regions;
the boundary of the segmentation area ensures the integrity and the space positioning precision of the edge;
the segmented region has uniformity and connectivity, wherein the uniformity is that all pixel points in the region meet certain similarity based on gray scale, texture and color, and the connectivity is that paths connecting any two points exist in the region.
S3: and matching Bluetooth of a station end workstation by using the USB Bluetooth protocol converter, acquiring a preprocessed picture in the cloud database and a corresponding electronic two-dimension code identifier, and transmitting the preprocessed picture and the corresponding electronic two-dimension code identifier to the two-dimension code image recognition server. It should be further noted that, identifying the preprocessed picture includes:
The mobile equipment is connected with a USB Bluetooth protocol converter of the station end workstation and is matched with Bluetooth, and a preprocessed picture in a cloud database and a corresponding electronic two-dimension code identifier are transmitted to a two-dimension code image recognition server;
invoking an inspection model to identify and compare the preprocessed pictures in the two-dimensional code image identification server, and simultaneously, identifying corresponding electronic two-dimensional code identification information by a two-dimensional code reading engine in the mobile equipment;
and the two-dimensional code image recognition server respectively integrates and analyzes the recognition result of the inspection model and the recognition result of the two-dimensional code reading engine, outputs a final recognition result and transmits the final recognition result to the mobile equipment by utilizing the Bluetooth running body for display.
S4: and comparing and analyzing the preprocessed picture and the electronic two-dimensional code identifier by using the inspection model, outputting an inspection result, transmitting the inspection result by combining with the Bluetooth running body, and displaying the inspection result in the mobile equipment. The step further includes the step of checking the model to include:
a feature space analysis model, a decision model and a Bayesian discrimination model;
the feature space analysis model is constructed by utilizing multi-feature cooperative classification, the decision model is constructed by utilizing a least squares regression strategy, and the Bayesian discriminant model is constructed by utilizing a Bayesian linear discriminant analysis strategy;
Collecting relevant data of substation screen cabinet wiring, constructing a data sample, inputting a multi-feature target of the analysis data sample in a feature space analysis model, and identifying the data quantity of the target feature;
transmitting the current quantity in a circuit operation database in the transformer substation into a decision model, judging the pulse quantity transmitted by the wiring of the screen cabinet by utilizing a gradual partial least squares regression strategy, and the decision model is as follows
S m ＝W 1 X m +W 2 (F itm -P i )+w 3
P i ∈{L mimm ，L maxm }
Wherein P is i : substation screen cabinet wiring { L minm ，L maxm }: to-be-inspected screen cabinet wiring range X m : alternative connection range function, F itm : average value of most suitable historical data and current detection data S m : decision making, W 1 : historical data error Rate, W 2 : currently detected data error rate, W 3 : detecting an environmental error rate by the historical data and the current detection data;
converting the electronic two-dimensional code identification into a data operation index and importing the data operation index into a Bayesian discrimination model to analyze the switching value of a circuit equipment connecting line;
the inspection model receives the data quantity, the pulse quantity and the switching value, performs fusion processing and abnormal probability calculation, and if the probability of the processing result is more than or equal to 0.5, the inspection result is abnormal and the wiring of the screen cabinet is wrong;
if the probability of the processing result is less than 0.5, the checking result is normal, and the screen cabinet is correctly wired;
The inspection model is as follows
P(B i |A i )＝B i |A i i＝1,2,……n
Wherein B is i : the number of correctly identified lines in the ith cooperative inspection factor, A i : the number of lines identified in the i-th cooperative inspection factor.
Further, the method further comprises the following steps:
the inspection model respectively compares the information characteristic images with standard pictures stored in the cloud database, and whether the information characteristic images are changed or not is analyzed by subtraction operation, wherein the method comprises the following steps:
ΔP i (x，y)＝P i (x，y)-P(x，y)
wherein P is i (x, y): the current image to be discriminated and processed, P (x,y): standard images in a cloud database;
if the wiring operation state of the screen cabinet of the transformer substation is normal, the information characteristic image is not abnormal, and the formula is 0;
if the wiring operation state of the substation screen cabinet is abnormal, the information characteristic image is abnormal, and the formula is not 0.
Further, generating the inspection result includes:
the station end workstation enters a log directory stored in a script in a python36 environment and sends an identification operation execution command;
checking whether two log texts appear in the log directory, if so, successfully reading the identification operation execution command, and if not, failing to read;
entering an ai directory to perform operation, when no data exists, presenting a prompt that the current log is not readable temporarily, and when data is input, feeding back an information characteristic image path for reading identification;
And after the processing is finished, generating an inspection result and transmitting the inspection result to a cloud database for storage.
The examination results include:
the number, the type and the wiring space of the screen cabinet equipment;
the screen cabinet ID, the screen cabinet number, the screen cabinet data type and the belonging substation ID;
grouping tag ID, grouping tag name, grouping tag data type and belonging screen cabinet ID;
terminal number sleeve tag ID, terminal number, sleeve tag, belonging group tag ID.
Still further, referring to fig. 3, it should be further noted that this embodiment also provides a method for generating an electronic two-dimensional code identifier suitable for checking substation equipment, including the following steps:
(1) Inputting relevant data of the wiring of the substation screen cabinet to form a coding text;
(2) Determining the character type of the coded text content, converting the character type into corresponding symbol characters by using a conversion rule, and selecting an error correction level;
(3) Converting the symbol characters into binary numbers which can be identified by the CPU according to the coding rule;
(4) Dividing the data code word into n blocks according to the error correction level, calculating a corresponding error correction code word for each block by using a polynomial algorithm, and sequentially assembling the data of each block and the error correction code word into a final sequence according to the sequence;
(5) And performing an xor operation mask with the distributed symbol characters to form an electronic two-dimensional code mark.
Preferably, referring to fig. 2, preprocessing a wiring picture of a cabinet is to better analyze characteristics of cabinet equipment and wiring modes, and select image characteristics capable of distinguishing the wiring types of the cabinet in advance as input vectors for classification and identification during identification and analysis, for example, when the type of the power equipment is identified, the area is defined as a detection area, differential and accumulated image processing is performed, and the detection area is compared with images in normal operation (compared with a reference image and stored historical images in a cloud database to determine distortion degree of the power equipment images) to determine whether a scene image of a transformer substation is changed or not and whether the operation state is abnormal or not; the method extracts color features in the information feature image while preprocessing to obtain RGB color feature space coordinates as the identified feature vectors, performs positioning analysis on the identified targets (abnormal features) in the image, and assists the inspection model in operation identification to obtain accurate identification results.
Preferably, in order to better embody the feasibility of the method of the invention, the embodiment is respectively contrasted and explained by three common image recognition methods, and the first and the existing substation equipment object feature matching recognition methods automatically recognize equipment objects by adopting an image recognition technology, but when a plurality of similar equipment exist in a scene, the problem that the equipment objects cannot be accurately recognized and distinguished can occur; 2. the existing template matching recognition method needs to recognize through a plurality of object matching, and needs to manually mark different equipment object templates, so that time and labor are consumed, and the workload of maintenance staff is increased; 3. the traditional machine learning method is generally applied to the application fields of face recognition and scene recognition, has the same or similar characteristics for the same type of equipment in the transformer substation, and cannot accurately distinguish the object names of the same appearance equipment, so that the method is not feasible for the recognition of the transformer substation equipment.
Preferably, in order to verify and explain the technical effects adopted in the invention, the embodiment selects a traditional manual on-site inspection screen cabinet wiring method to carry out a comparison test with the method of the invention, and uses a scientific demonstration means to compare the test results to verify the real effects of the method of the invention; the traditional manual on-site screen cabinet wiring method is easy to leak, low in efficiency and has potential safety hazards, the labels on the equipment are required to be maintained and checked to confirm whether the damage exists, and in order to verify that the method has more accurate inspection and identification, higher inspection efficiency, no need of maintaining equipment labels, less workload of maintenance personnel and elimination of certain potential safety hazards compared with the traditional method, the traditional method and the method are adopted to respectively carry out inspection and test on the screen cabinet wiring in a certain transformer substation, and test results are output according to the figure 4 and the table 1.
Table 1: the method of the present invention examines the results section schematic.
| Field name | Description of the invention | Data type | Remarks |
| Screen cabinet ID | Main key | Int | Self-increasing |
| Name | Screen cabinet number | Varchar | |
| SubstaionId | Belonging substation ID | Varchar |
With reference to the schematic diagram of fig. 4, the advantages and disadvantages of the two inspection methods can be intuitively compared, specifically, along with the increase of the inspection time and the number of the screen cabinet wires, the curve corresponding to the traditional manual field inspection screen cabinet wire connection method changes, although the curve shows a growing trend, the curve is smoother and longer, the curve corresponding to the method shows a steep slope type growth, and compared with the traditional method, the method has the advantages of shorter inspection time, more inspection types and higher growing trend (namely accuracy).
Example 2
Referring to fig. 5 and 6, in a second embodiment of the present invention, unlike the first embodiment, there is provided a wireless transmission inspection system suitable for wiring a substation panel, including an information acquisition module 100, an identification module 200, a positioning module 300, a control module 400, a bluetooth module 500, and a display module 600, wherein the information acquisition module 100 is a bridge where a computer is connected to the outside physical world, the identification module 200 is an operation core for interpreting computer instructions and processing data in computer software, and the positioning module 300 is a signal connector connected to the computer in a wireless or wired manner, specifically, as follows:
the information acquisition module 100 is used for acquiring the wiring related data of the substation screen cabinet and shooting related picture information; the communication chip and the storage chip are integrated on a circuit board based on a communication module of the remote data acquisition platform, so that the communication chip and the storage chip have the function of transmitting data through the remote data acquisition platform, for example, a computer, a singlechip and an ARM can be connected with the remote data acquisition platform through an RS232 serial port, and various voice and data communication functions are realized through an AT instruction control module.
The recognition module 200 is connected to the information acquisition module 100, and is configured to receive input data, generate a recognition result, and store the recognition result in a cloud database, and includes a calculation unit 201, an inspection unit 202, an extraction unit 203, and an input/output management unit 204, where the calculation unit 201 is configured to calculate a frequency characteristic vector and a matrix relation of substation screen and cabinet wiring related data, process optimization parameters and a threshold of an analysis model, the inspection unit 202 is configured to detect, compare, and determine whether the calculation result of the calculation unit 201 is consistent with a standard image of normal operation, the extraction unit 203 is configured to extract abnormal characteristic parameters in the inspection unit 202, and the input/output management unit 204 is configured to transmit parameters required by each item, and output the recognition result to store in the cloud database.
The positioning module 300 is connected to the extracting unit 203, and is configured to receive the extracted abnormal feature parameter, and lock a position in the information feature image where the abnormal feature parameter is located; the related input/output protocol format is obtained through the serial communication protocol technology, and mainly comprises a data type and an information format, the information content is in communication connection with the identification module 200 through a serial port, when the positioning module 300 collects the abnormal parameters in the extraction unit 203, the positioning module 300 calculates the pseudo distance between the abnormal parameters through the CPU operation of the system, and the position of the abnormal feature in the information feature image is calculated through the selected distance intersection method.
The control module 400 regulates and controls the information acquisition module 100, the identification module 200 and the positioning module 300 to operate, and is used for integrating the identification result and the characteristic position locked by the positioning module 300 to generate an inspection result.
The bluetooth module 500 is connected to the information acquisition module 100 and the identification module 200, and is used for data transmission among the USB bluetooth protocol converter, the bluetooth running body, and the two-dimensional code image identification server, receiving the identification result of the identification module 200, converting the identification result into a data packet, and uploading the data packet to the mobile terminal for display.
The display module 600 is connected to the bluetooth module 500, and is configured to receive the data packet, read the information content of the data packet, and display the information content in the mobile terminal.
In popular terms, the recognition module 200 is mainly divided into three layers, including a control layer, an operation layer and a storage layer, where the control layer is a command control center of the recognition module 200 and is composed of an instruction register IR, an instruction decoder ID and an operation controller OC, and the control layer can sequentially take out each instruction from the memory according to a program pre-programmed by a user, place each instruction in the instruction register IR, analyze and determine the instruction by the instruction decoder, notify the operation controller OC to operate, and send a micro-operation control signal to the corresponding component according to the determined time sequence; the operation layer is a core of the calculation unit 201, and is capable of executing arithmetic operations (such as addition, subtraction, multiplication and division and additional operations thereof) and logical operations (such as shifting, logic testing or two value comparison), and is connected to the control layer, and performs operation by receiving a control signal of the control layer; the storage layer is a database of the identification module 200, and can store data (data to be processed and already processed).
It should be appreciated that embodiments of the invention may be implemented or realized by computer hardware, a combination of hardware and software, or by computer instructions stored in a non-transitory computer readable memory. The methods may be implemented in a computer program using standard programming techniques, including a non-transitory computer readable storage medium configured with a computer program, where the storage medium so configured causes a computer to operate in a specific and predefined manner, in accordance with the methods and drawings described in the specific embodiments. Each program may be implemented in a high level procedural or object oriented programming language to communicate with a computer system. However, the program(s) can be implemented in assembly or machine language, if desired. In any case, the language may be a compiled or interpreted language. Furthermore, the program can be run on a programmed application specific integrated circuit for this purpose.
Furthermore, the operations of the processes described herein may be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The processes (or variations and/or combinations thereof) described herein may be performed under control of one or more computer systems configured with executable instructions, and may be implemented as code (e.g., executable instructions, one or more computer programs, or one or more applications), by hardware, or combinations thereof, collectively executing on one or more processors. The computer program includes a plurality of instructions executable by one or more processors.
Further, the method may be implemented in any type of computing platform operatively connected to a suitable computing platform, including, but not limited to, a personal computer, mini-computer, mainframe, workstation, network or distributed computing environment, separate or integrated computer platform, or in communication with a charged particle tool or other imaging device, and so forth. Aspects of the invention may be implemented in machine-readable code stored on a non-transitory storage medium or device, whether removable or integrated into a computing platform, such as a hard disk, optical read and/or write storage medium, RAM, ROM, etc., such that it is readable by a programmable computer, which when read by a computer, is operable to configure and operate the computer to perform the processes described herein. Further, the machine readable code, or portions thereof, may be transmitted over a wired or wireless network. When such media includes instructions or programs that, in conjunction with a microprocessor or other data processor, implement the steps described above, the invention described herein includes these and other different types of non-transitory computer-readable storage media. The invention also includes the computer itself when programmed according to the methods and techniques of the present invention. The computer program can be applied to the input data to perform the functions described herein, thereby converting the input data to generate output data that is stored to the non-volatile memory. The output information may also be applied to one or more output devices such as a display. In a preferred embodiment of the invention, the transformed data represents physical and tangible objects, including specific visual depictions of physical and tangible objects produced on a display.
As used in this disclosure, the terms "component," "module," "system," and the like are intended to refer to a computer-related entity, either hardware, firmware, a combination of hardware and software, or software in execution. For example, the components may be, but are not limited to: a process running on a processor, an object, an executable, a thread of execution, a program, and/or a computer. By way of example, both an application running on a computing device and the computing device can be a component. One or more components may reside within a process and/or thread of execution and a component may be localized on one computer and/or distributed between two or more computers. Furthermore, these components can execute from various computer readable media having various data structures thereon. The components may communicate by way of local and/or remote processes such as in accordance with a signal having one or more data packets (e.g., data from one component interacting with another component in a local system, distributed system, and/or across a network such as the internet with other systems by way of the signal).
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (10)
1. A wireless transmission inspection method suitable for wiring of a transformer substation screen cabinet is characterized by comprising the following steps of: comprising the steps of (a) a step of,
binding a screen cabinet device and a cable of the transformer substation by using the mobile device, generating corresponding electronic two-dimensional code identifiers, and sequentially storing the identifiers into a cloud database;
collecting a wiring picture of a substation screen cabinet to be checked, preprocessing the wiring picture of the screen cabinet, and sending the preprocessing picture to the cloud database for classified storage;
the Bluetooth protocol converter of the USB is matched with Bluetooth of a station end workstation, and a preprocessed picture in the cloud database and the corresponding electronic two-dimensional code identifier are obtained and transmitted to a two-dimensional code image recognition server;
and setting up an inspection model in a mode of combining the number of correctly identified lines in the inspection factors, comparing and analyzing the preprocessed picture with the electronic two-dimensional code identifier by the inspection model, outputting an inspection result, and transmitting the inspection result by combining a Bluetooth running body and displaying the inspection result in the mobile equipment.
2. The wireless transmission inspection method applicable to substation screen cabinet wiring according to claim 1, wherein: generating the electronic two-dimensional code identification comprises,
transmitting the substation design drawing file to the mobile equipment by using a serial port protocol, respectively reading a screen cabinet ID, a cable ID and a terminal number tag ID, and sequentially carrying out classified storage to finish matching binding;
dynamically acquiring the bound ID information by using js plug-in units and generating the electronic two-dimensional code identifier by using the data information recorded in the cloud database;
the mobile equipment is internally provided with a two-dimensional code reading engine, automatically identifies information in the electronic two-dimensional code identifier, and if the wireless network state is normal, directly feeds the identified information back to the cloud database and transmits the information by utilizing the Bluetooth;
if the wireless network state is abnormal, the Bluetooth running body directly receives and stores the identified information, and uploads the information to the cloud database for storage when the network is recovered to be normal.
3. A wireless transmission inspection method suitable for substation cabinet wiring according to claim 1 or 2, characterized in that: the pre-treatment may comprise the steps of,
Eliminating noise points of the screen cabinet wiring pictures, setting detection values, and sequentially detecting pixels in the screen cabinet wiring pictures;
comparing the pixel with other pixels in the neighborhood, judging whether the pixel is a noise point, if so, replacing the pixel with the average value of the gray scales of all the pixels in the neighborhood, and if not, outputting the pixel with the original gray scale value;
sharpening the screen cabinet wiring picture by utilizing a Sobel operator, and combining pixels on two sides of the edge of the weighted average enhanced picture;
performing convolution on the Sobel operator and the screen cabinet wiring picture by utilizing differential approximate differential strategy processing to finish detection, and finding a set of partial pixels with most obvious local brightness change in an image;
and dividing image areas with different meanings according to the gray level, color and geometric property of the wiring picture of the screen cabinet, selecting a threshold value, and carrying out binary segmentation by using gray level frequency distribution information to obtain an information characteristic image after preprocessing.
4. The wireless transmission inspection method applicable to wiring of a substation screen cabinet according to claim 2, wherein: identifying the pre-processed picture includes,
the mobile equipment is connected with the USB Bluetooth protocol converter of the station-side workstation and matched with the Bluetooth, and the preprocessed picture in the cloud database and the corresponding electronic two-dimensional code identifier are transmitted to the two-dimensional code image recognition server;
Invoking the inspection model in the two-dimensional code image recognition server to recognize and compare the preprocessed pictures, and simultaneously, recognizing the corresponding electronic two-dimensional code identification information by the two-dimensional code reading engine in the mobile equipment;
and the two-dimensional code image recognition server respectively integrates and analyzes the recognition result of the inspection model and the recognition result of the two-dimensional code reading engine, outputs a final recognition result and transmits the final recognition result into the mobile device by utilizing the Bluetooth running body for display.
5. The wireless transmission inspection method applicable to wiring of a substation screen cabinet according to claim 4, wherein: the inspection model comprises a feature space analysis model, a decision model and a Bayesian discrimination model;
the feature space analysis model is constructed by utilizing multi-feature collaborative classification, the decision model is constructed by utilizing a least squares regression strategy, and the Bayesian discriminant model is constructed by utilizing a Bayesian linear discriminant analysis strategy;
collecting relevant data of the wiring of the substation screen cabinet to construct a data sample, inputting the data sample into the characteristic space analysis model to analyze multi-characteristic targets of the data sample, and identifying the data quantity of target characteristics;
Transmitting the current quantity in a circuit operation database in the transformer substation into the decision model, and judging the pulse quantity transmitted by the screen cabinet wiring by utilizing a gradual partial least squares regression strategy;
converting the electronic two-dimensional code identifier into a data operation index and importing the data operation index into the Bayesian discrimination model to analyze the switching value of a circuit equipment connecting line;
the inspection model receives the data quantity, the pulse quantity and the switching value, performs fusion processing and abnormal probability calculation, and if the probability of the processing result is more than or equal to 0.5, the inspection result is abnormal, and the wiring of the screen cabinet is wrong;
if the probability of the processing result is smaller than 0.5, the checking result is normal, and the screen cabinet is correctly connected.
6. The wireless transmission inspection method applicable to wiring of a substation screen cabinet according to claim 4 or 5, wherein: also included is a method of manufacturing a semiconductor device,
the inspection model compares the information characteristic image with standard pictures stored in the cloud database, and whether the information characteristic image is changed or not is analyzed by subtraction operation, wherein the information characteristic image is as follows:
ΔP i (x，y)＝P i (x，y)-P(x，y)
wherein P is i (x, y): the image currently to be discriminated and processed, P (x, y): standard images in a cloud database;
If the wiring operation state of the substation screen cabinet is normal, the information characteristic image is not abnormal, and the formula is 0;
if the wiring operation state of the substation screen cabinet is abnormal, the information characteristic image is abnormal, and the formula is not 0.
7. The wireless transmission inspection method applicable to substation screen cabinet wiring according to claim 6, wherein: the generation of the inspection result includes,
the station side workstation enters a log directory stored in a script in a python36 environment and sends an identification operation execution command;
checking whether two log texts appear under the log catalog, if so, successfully reading the identification operation execution command, and if not, failing to read;
entering an ai directory to perform operation, when no data exists, presenting a prompt that the current log is not readable temporarily, and when data is input, feeding back the information characteristic image path for reading and identifying;
and after the processing is completed, generating the checking result and transmitting the checking result to the cloud database for storage.
8. The wireless transmission inspection method applicable to substation screen cabinet wiring according to claim 7, wherein: the result of the examination includes that,
the number, the type and the wiring space of the screen cabinet equipment;
The screen cabinet ID, the screen cabinet number, the screen cabinet data type and the belonging substation ID;
grouping tag ID, grouping tag name, grouping tag data type and belonging screen cabinet ID;
terminal number sleeve tag ID, terminal number, sleeve tag, belonging group tag ID.
9. A wireless transmission inspection system suitable for wiring of a transformer substation screen cabinet is characterized in that: comprising the steps of (a) a step of,
the information acquisition module (100) is used for acquiring the substation screen cabinet wiring related data and shooting related picture information;
the identification module (200) is connected to the information acquisition module (100) and is used for receiving input data to generate an identification result and storing the identification result into a cloud database, and comprises a calculation unit (201), an inspection unit (202), an extraction unit (203) and an input/output management unit (204), wherein the calculation unit (201) is used for calculating frequency characteristic vectors and matrix relation of the substation screen cabinet wiring related data, an inspection model is established by utilizing a line number mode which is correctly identified in a collaborative inspection factor, optimization parameters and a threshold value of the inspection model are processed, the inspection unit (202) is used for detecting, comparing and judging whether the calculation result of the calculation unit (201) accords with a standard image of normal state operation, the extraction unit (203) is used for extracting abnormal characteristic parameters in the inspection unit (202), and the input/output management unit (204) is used for transmitting various required parameters and outputting the identification result to be stored in the cloud database;
The positioning module (300) is connected with the extraction unit (203) and is used for receiving the extracted abnormal characteristic parameters and locking the positions of the abnormal characteristic parameters in the information characteristic images;
the control module (400) regulates and controls the information acquisition module (100), the identification module (200) and the positioning module (300) to operate, and is used for integrating the identification result and the characteristic position locked by the positioning module (300) to generate an inspection result.
10. The wireless transmission inspection system adapted for substation cabinet wiring according to claim 9, wherein: also included is a method of manufacturing a semiconductor device,
the Bluetooth module (500) is connected with the information acquisition module (100) and the identification module (200) and is used for data transmission among a USB Bluetooth protocol converter, a Bluetooth running body and a two-dimensional code image identification server, receiving the identification result of the identification module (200) and converting the identification result into a data packet to be uploaded to a mobile terminal for display;
the display module (600) is connected with the Bluetooth module (500) and is used for receiving the data packet, reading the information content of the data packet and displaying the information content in the mobile terminal.
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| CN112432669A (en) * | 2020-11-27 | 2021-03-02 | 贵州电网有限责任公司 | Mobile video real-time monitoring method and system for operation state of power secondary equipment |
| CN115393247A (en) * | 2021-05-24 | 2022-11-25 | 中兴通讯股份有限公司 | Image processing method, base station feeder line detection method and related device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012238205A (en) * | 2011-05-12 | 2012-12-06 | Nippon Gas Co Ltd | Mobile maintenance system |
| CN105512192A (en) * | 2015-11-26 | 2016-04-20 | 国家电网公司 | Method and device for automatically generating maintenance operation instruction books of intelligent station |
| CN206258922U (en) * | 2016-05-31 | 2017-06-16 | 国网江苏省电力公司句容市供电公司 | Power equipment information recognition device |
| CN206460475U (en) * | 2017-02-10 | 2017-09-01 | 国网江苏省电力公司检修分公司 | The handheld terminal of the identification of substation secondary device information and management based on Quick Response Code |
| CN107465260A (en) * | 2016-06-03 | 2017-12-12 | 国网辽宁省电力有限公司大连供电公司 | A kind of intelligent substation debugging apparatus of applying electronic Quick Response Code and voice |
| CN207234202U (en) * | 2017-09-27 | 2018-04-13 | 国网四川省电力公司电力科学研究院 | The electronics for being capable of Dynamic Announce for secondary screen cabinet overhauls identity device |
| CN108267172A (en) * | 2018-01-25 | 2018-07-10 | 神华宁夏煤业集团有限责任公司 | Mining intelligent robot inspection system |
| CN108320287A (en) * | 2018-03-12 | 2018-07-24 | 国网江苏省电力公司电力科学研究院 | A kind of transformer station secondary system equipment screen cabinet wiring automatic inspection system and method |
| CN109543787A (en) * | 2018-11-07 | 2019-03-29 | 国网天津市电力公司 | Intelligent power equipment inspection positioning system |
| CN110147859A (en) * | 2019-05-16 | 2019-08-20 | 南京南瑞继保电气有限公司 | A kind of substation information display systems and method based on two dimensional code |
| CN110750662A (en) * | 2019-10-16 | 2020-02-04 | 国网山东省电力公司汶上县供电公司 | Transformer substation secondary drawing searching method and system |
-
2020
- 2020-04-30 CN CN202010362717.6A patent/CN111553176B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012238205A (en) * | 2011-05-12 | 2012-12-06 | Nippon Gas Co Ltd | Mobile maintenance system |
| CN105512192A (en) * | 2015-11-26 | 2016-04-20 | 国家电网公司 | Method and device for automatically generating maintenance operation instruction books of intelligent station |
| CN206258922U (en) * | 2016-05-31 | 2017-06-16 | 国网江苏省电力公司句容市供电公司 | Power equipment information recognition device |
| CN107465260A (en) * | 2016-06-03 | 2017-12-12 | 国网辽宁省电力有限公司大连供电公司 | A kind of intelligent substation debugging apparatus of applying electronic Quick Response Code and voice |
| CN206460475U (en) * | 2017-02-10 | 2017-09-01 | 国网江苏省电力公司检修分公司 | The handheld terminal of the identification of substation secondary device information and management based on Quick Response Code |
| CN207234202U (en) * | 2017-09-27 | 2018-04-13 | 国网四川省电力公司电力科学研究院 | The electronics for being capable of Dynamic Announce for secondary screen cabinet overhauls identity device |
| CN108267172A (en) * | 2018-01-25 | 2018-07-10 | 神华宁夏煤业集团有限责任公司 | Mining intelligent robot inspection system |
| CN108320287A (en) * | 2018-03-12 | 2018-07-24 | 国网江苏省电力公司电力科学研究院 | A kind of transformer station secondary system equipment screen cabinet wiring automatic inspection system and method |
| CN109543787A (en) * | 2018-11-07 | 2019-03-29 | 国网天津市电力公司 | Intelligent power equipment inspection positioning system |
| CN110147859A (en) * | 2019-05-16 | 2019-08-20 | 南京南瑞继保电气有限公司 | A kind of substation information display systems and method based on two dimensional code |
| CN110750662A (en) * | 2019-10-16 | 2020-02-04 | 国网山东省电力公司汶上县供电公司 | Transformer substation secondary drawing searching method and system |
Non-Patent Citations (1)
| Title |
|---|
| 基于Faster R-CNN的输电线路缺陷识别模型研究;熊小萍等;《自动化与仪器仪表》(第03期);7-12 * |
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|---|---|
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