CN113158751B - Method for facilitating rapid processing of press plate switch state - Google Patents
Method for facilitating rapid processing of press plate switch state Download PDFInfo
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- CN113158751B CN113158751B CN202110163493.0A CN202110163493A CN113158751B CN 113158751 B CN113158751 B CN 113158751B CN 202110163493 A CN202110163493 A CN 202110163493A CN 113158751 B CN113158751 B CN 113158751B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/10—Terrestrial scenes
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/26—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
- G06V10/267—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion by performing operations on regions, e.g. growing, shrinking or watersheds
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
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Abstract
The application relates to a method for facilitating rapid processing of a press plate switch state, which comprises the steps of taking mobile equipment as a carrier to install a corresponding identification program; importing original data of a press plate switch; photographing through mobile equipment to obtain images capable of displaying real-time states of all the pressure plate switches; classifying and extracting the de-colored images according to different press plate switch states, comparing and identifying the extracted image data, and storing the image states; outputting data related to the actual pressure plate switch state by using the mobile equipment, displaying whether the pressure plate switch is abnormal or not and storing the abnormal pressure plate switch; shooting again to obtain images capable of displaying real-time states of all the pressure plate switches; and locking and displaying the image with the abnormal state of the identified pressing plate switch. The application is beneficial to realizing the links of comparing, identifying, displaying and outputting abnormal states of the pressing plate switch.
Description
Technical Field
The application relates to the technical field of power system inspection assistance, in particular to a method for conveniently and rapidly processing the switch state of a pressing plate.
Background
A switchgear is an electrical device whose main functions are to open, close, control and protect the electrical device during the power generation, transmission, distribution and conversion of power in a power system, and components including circuit breakers, disconnectors, load switches, operating mechanisms, transformers and various protection devices. The external line of the switch cabinet firstly enters the main control switch of the switch cabinet and then enters the branch control switch of the switch cabinet, and each branch is set according to the requirements, such as an instrument, an automatic control, a motor magnetic switch, various alternating current contactors and the like.
According to the technical scheme, a researcher mainly uses a transformer substation pressure plate switch protection cabinet as an implementation range to carry out corresponding technical scheme design which is beneficial to identifying the pressure plate switch state, for example, 10-20 protection cabinets are usually arranged in a 110kv transformer substation, the number of the protection cabinets of 220kv and 500kv transformer substations can reach hundreds, the number of the pressure plate switch of each protection cabinet is up to sixty three, inspection work needs to be carried out on the pressure plate switches, and the inspection work comprises states of all the switches, such as a put-in state, a withdraw state, a standby state and the like. However, the existing manual inspection process has the problems of large workload, poor timeliness, paperiness of work records and the like, and inspection personnel can have errors due to factors such as physical and psychological quality, responsibility, technical level, working experience and the like, so that potential safety hazards are left, and even serious safety disasters are caused.
With the continuous development of machine vision technology and network technology, research and development personnel can shoot the pressure plate part of the protection screen cabinet through a camera, and then design a software program on the basis of a corresponding algorithm, so that a processor with a corresponding identification program is formed, and images are processed to identify the on-off state of the pressure plate.
Through the analysis of the prior integral recognition steps, even if the corresponding software recognition program can be designed by combining with some conventional algorithms, a set of method which can compare, recognize, display and output the abnormal state of the pressing plate switch and is convenient for rapidly processing the pressing plate switch state is still lacking.
On the basis of the design requirements, research and development personnel of the technical scheme of the application further optimize links such as comparison, identification, display and output of abnormal states of the press plate switch, and a method for conveniently and rapidly processing the press plate switch states is provided. According to practical production experience, the technical scheme provided by the application can at least relieve, partially solve or completely solve the problems existing in the prior art.
Disclosure of Invention
In order to overcome the problems or at least partially solve or alleviate the problems, the application provides a method for conveniently and rapidly processing the state of a press plate switch, which is characterized in that corresponding recognition programs are configured on mobile equipment such as a mobile phone, and the mobile equipment is used for photographing or shooting sequentially, recognizing and reading numbers, letters and Chinese character names of the press plate switch, recognizing and comparing obtained press plate switch images, locking and displaying abnormal state of the press plate switch, and a series of links such as abnormal output of the press plate switch are used for rapidly obtaining and processing the state of the press plate switch.
In order to achieve the above purpose, the present application adopts the following technical scheme:
a method for facilitating rapid processing of press plate switch status for identification of press plate switch status of a substation, comprising the steps of:
I. corresponding identification programs are installed by taking mobile equipment as a carrier, and the set functions comprise identification of the input state, the exit state and the standby state of all the pressure plate switches;
II. Importing original data of a press plate switch, wherein the original data comprises a press plate switch number, a name and a setting state, and the setting state comprises an input state, an exit state and a standby state;
III, shooting or shooting by mobile equipment to obtain images capable of displaying real-time states of all the pressure plate switches, and automatically identifying numbers and letters of the representative numbers of all the pressure plate switches and Chinese character names when the images are obtained;
IV, the photographed image is de-colored by using a program installed on the mobile device, a de-colored image only comprising black and white is obtained, the de-colored image is classified and extracted according to different pressing plate switch states, image data capable of showing an input state, an exit state and a standby state respectively are obtained, the extracted image data is compared and identified by using the program installed on the mobile device, the identified pressing plate switch state is displayed, and then the image state is stored;
v, outputting data related to the actual pressure plate switch state by using the mobile equipment, and displaying whether the pressure plate switch is abnormal for the first time and storing;
VI, photographing or shooting again through the mobile equipment, obtaining an image capable of displaying the real-time state of each press plate switch for the second time, identifying the number of the press plate switch and the name of the Chinese character of the press plate switch, decolorizing the image, segmenting and extracting the image according to different press plate switch states, and storing the image state;
VII, locking and displaying the image with the abnormal identified pressure plate switch state;
VIII, outputting the abnormal state of the pressing plate switch through the mobile equipment.
The technical scheme implemented by combining the above can be supplemented with the following technical means:
the functional design of the program comprises a pressure plate switch state modeling part, a pressure plate switch digital and letter recognition module and a recognition program of the pressure plate switch Chinese character recognition module, wherein the pressure plate switch state modeling part comprises a plurality of recognition units.
Wherein, the program design takes an android PDA as a software carrier.
The state of the abnormal state of the press plate switch comprises the steps that the original data are set as input, the actual identification shows that the press plate is withdrawn, and the press plate switch is recorded as abnormal; or the original data is set to be withdrawn, the actual identification is displayed as input, and the record is abnormal.
Further, for step VII, only the abnormal state of the pressure plate switch is displayed, and will not be displayed if the normal input or exit is performed.
The technical scheme implemented by the application can be correspondingly implemented as follows:
the setting state comprises an input state, an exit state and a standby state.
In addition, the identification process may be performed in a network-free state.
For images, labels may be provided.
The method comprises the steps of configuring an identification program for mobile equipment such as a mobile phone and the like, photographing or shooting through the mobile equipment in sequence, identifying and reading numbers and letters of a press plate switch, identifying and reading Chinese characters of the press plate switch, identifying and comparing obtained press plate switch images, locking and displaying abnormal press plate switch states, outputting abnormal press plate switches and the like, and rapidly obtaining and processing the press plate switch states.
Drawings
The application is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a flow chart showing a method for facilitating quick processing of a press plate switch state according to the present application;
FIG. 2 is a flow chart showing a second method for facilitating rapid processing of the switch state of a platen according to the present application.
Detailed Description
The application discloses a method for conveniently and rapidly processing a pressure plate switch state, which aims to solve the problems that the pressure plate switch state recognition and processing is greatly limited and the timeliness is poor at present because the pressure plate switch abnormal state cannot be compared, recognized, displayed and output in the conventional pressure plate switch recognition process of a transformer substation.
The technical scheme of the application is that the mobile equipment is used as the basis of the identification program of the mobile equipment such as a mobile phone, the numbers, letters and Chinese character names of the press plate switches are identified and read in a photographing or shooting mode of the mobile equipment, the obtained press plate switch images are identified and processed, the identified abnormal press plate switch states are locked and displayed, the abnormal press plate switch states are output and other links, and therefore, a set of method convenient for rapidly processing the press plate switch states is formed. In addition, due to the different program establishment modes, algorithms used and image processing modes, different schemes can be selected according to design requirements, and the technical scheme of the application is mainly characterized in that the technical means formed by identifying the switch state of the transformer substation pressing plate by mobile equipment such as a mobile phone is utilized, so that the prior conventional technical means such as equipment model selection, photographing or photographing mode selection are not improved, and the device can be increased or decreased according to requirements. Obviously, the technical scheme of the application does not relate to the corresponding technical means of selecting which model is matched, which shooting mode is adopted and the like, and the person skilled in the art knows that as long as the method of the technical scheme of the application can be implemented, the technical scheme is necessary to additionally refer to some conventional technical means, and the person skilled in the art can combine the actual design requirements; of course, the selection of the device model and the photographing mode is not limited. Therefore, the technical scheme implemented by the application is a method for automatically identifying mobile equipment such as a mobile phone and the like by combining the conventional technical means and referring and implementing the technical scheme, and the technical scheme can be actually applied according to different application conditions and design requirements by the technical personnel according to the identification method formed by the application, so that a series of advantages brought by the method can be actually obtained, and the advantages are gradually reflected in the analysis of the following method steps.
As shown in fig. 1-2, the method for facilitating quick processing of the on-off state of the pressing plate according to the present application mainly comprises the following steps:
firstly, mobile equipment such as a mobile phone and the like is used as a carrier to install a corresponding identification program, the functional design of the program comprises a pressure plate switch state modeling part, a pressure plate switch digital and letter identification module and an identification program of a pressure plate switch Chinese character identification module, wherein the pressure plate switch state modeling part comprises a plurality of identification units, and the functions of the identification units comprise identification of the input state, the exit state and the standby state of all pressure plate switches;
correspondingly, importing original data of the pressure plate switches, wherein the original data comprise the number, the name and the setting state of the pressure plate switches, the setting state comprises an input state, an exit state and a standby state, and shooting or shooting through mobile equipment such as a mobile phone to obtain images capable of displaying real-time states of the pressure plate switches, and identifying the number (comprising numbers, letters and the like) of the pressure plate switches and the name with Chinese characters of the pressure plate switches;
correspondingly, the photographed image is decoloured by using a program installed on mobile equipment such as a mobile phone and the like to obtain an image only comprising black and white, then the image is segmented and extracted according to different pressing plate switch states to obtain image data capable of respectively representing an input state, an exit state and a standby state, the extracted image data is compared and identified by using the program installed on the mobile equipment such as the mobile phone and the like, the identified pressing plate switch state is displayed, and then the image state is stored.
Then, the mobile phone mobile equipment outputs actual pressure plate switch state data, and whether the pressure plate switch is abnormal or not is displayed for the first time and stored;
further, shooting or photographing again through mobile equipment such as a mobile phone, obtaining images capable of displaying real-time states of all the pressure plate switches for the second time, identifying numbers (including numbers, letters and the like) of the pressure plate switches and names with Chinese characters of the pressure plate switches, decolorizing the photographed images, segmenting and extracting the images according to different pressure plate switch states, and storing the image states;
further, the image of the identified abnormal state of the press plate switch is locked and displayed (for example, the original setting is put into operation, the actual identification is displayed as withdrawn or the original setting is withdrawn, the actual identification is displayed as put into operation, the record is abnormal), and only the abnormal state of the press plate switch is displayed, if the normal input or withdrawal is not displayed;
and finally, outputting the abnormal state of the pressing plate switch through the mobile equipment.
For the identification method implemented above, obviously, in terms of improving the identification efficiency, the accurately identified pressing plate can be automatically set through the configured identification program design, and when the same pressing plate number is encountered, the pressing plate is automatically skipped, thereby being beneficial to optimizing the program and improving the operation speed of the equipment.
In the implementation of the method for facilitating the rapid processing of the on-off state of the pressing plate, a technician can design the recognition program according to different design requirements and by combining the conventional technical means, for example, an S channel in an HSV color space of an input diagram is taken out to perform binarization of a threshold value 80 and a maximum value 255; morphological operation is carried out by using a morphyoyEx function, a kernel selects a rectangle with the size of 9x9, and the image is subjected to open operation; searching the Contours by utilizing a findContours function, and storing all the Contours found; taking a minimum circumscribed rectangle for each element of the contents; calculating the area median of all BoundREcts, and carrying out first screening on the deviation domain of each element limiting BoundREcts and BoundREcts to screen TarARcts 1; performing second screening on the limited aspect ratio of each element of TarRNA 1 to screen TarRNA 2; judging the switching state of the pressing plate according to the aspect ratio of each element of TarRacts 2; the x-coordinate of each element of TarRacts 2 is sequenced in an increasing mode, adjacent element differences are calculated, and the adjacent differences are converted into percentage change diff; the y-coordinate of each element of Tarrcts 2 is incrementally ordered, adjacent element differences are calculated, and the adjacent differences are converted to percent change diff. Of course, these programming approaches may provide the skilled person with corresponding references.
In the description of the present specification, the terms "present embodiment," "detailed description," and the like, if any, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application or application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples; furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present specification, the terms "mounted", "arranged", "having", etc. are to be construed broadly, and the term "connected" may be a fixed connection or indirectly through intermediate members without affecting the relationship of components and technical effects, or may be an integral connection or a partial connection, as in the case of this example, as will be apparent to those skilled in the art, and the specific meaning of the terms described above in this specification may be understood in a specific manner.
The embodiments described above are intended to facilitate understanding and application by those skilled in the art, and it will be apparent to those skilled in the art that various modifications may be made to these examples and that the general principles described herein may be applied to other embodiments without undue burden. Therefore, the present application is not limited to the above embodiments, and modifications to the following cases should be within the scope of protection of the present application: (1) the technical scheme of the application is taken as the basis and combined with the new technical scheme implemented by the prior common general knowledge, and the technical effect produced by the new technical scheme is not beyond that of the application; (2) equivalent replacement of part of the characteristics of the technical scheme of the application by adopting the known technology produces the technical effect the same as that of the application; (3) the technical scheme of the application is used as a basis for expansion, and the essence of the expanded technical scheme is not beyond the technical scheme of the application; (4) the technical means obtained by the equivalent transformation of the text record content or the attached drawing of the specification can be applied to schemes in other related technical fields.
Claims (10)
1. A method for facilitating rapid processing of a press plate switch state for identifying a press plate switch state of a substation, comprising the steps of:
i, installing a corresponding identification program by taking mobile equipment as a carrier, wherein the set functions comprise identification of the input state, the exit state and the standby state of all the pressure plate switches;
II, importing original data of the press plate switch, wherein the original data comprise the number, the name and the setting state of the press plate switch, and the setting state comprises an input state, an exit state and a standby state;
III, shooting or shooting by mobile equipment to obtain images capable of displaying real-time states of all the pressure plate switches, and automatically identifying numbers and letters of the representative numbers of all the pressure plate switches and Chinese character names when the images are obtained;
IV, the photographed image is de-colored by using a program installed on the mobile equipment, a de-colored image only comprising black and white is obtained, the de-colored image is classified and extracted according to different pressing plate switch states, image data capable of showing an input state, an exit state and a standby state respectively are obtained, the extracted image data are compared and identified by using the program installed on the mobile equipment, the identified pressing plate switch state is displayed, and then the image state is stored;
v, outputting data related to the actual pressure plate switch state by using the mobile equipment, and displaying whether the pressure plate switch is abnormal for the first time and storing;
VI, photographing or shooting again through mobile equipment, obtaining an image capable of displaying the real-time state of each press plate switch for the second time, identifying the number of the press plate switch and the name of the Chinese character of the press plate switch, decolorizing the image, segmenting and extracting the image according to different press plate switch states, and storing the image state;
and VII, locking and displaying the identified image with abnormal switch state of the pressing plate, wherein the identification process is as follows: the identification program searches the outline by utilizing a findContours function, all outline Contours found in the stock are taken as the minimum circumscribed rectangle bound for each element of Contours, the area median of all bound Rects is calculated, and the bound Rects and the deviation domain thereof are limited by each element of bound Rects for the first time, so as to screen TarRacts 1; performing second screening on the limited aspect ratio of each element of TarRNA 1 to screen TarRNA 2; judging the switching state of the pressing plate according to the aspect ratio of each element of TarRacts 2;
and VIII, outputting the abnormal state of the press plate switch through the mobile equipment.
2. The method for facilitating rapid processing of platen switch status of claim 1, wherein: the functional design of the program comprises a pressure plate switch state modeling part, a pressure plate switch digital and letter recognition module and a recognition program of the pressure plate switch Chinese character recognition module, wherein the pressure plate switch state modeling part comprises a plurality of recognition units.
3. The method for facilitating rapid processing of platen switch status of claim 1, wherein: the program is designed by taking an android PDA as a software carrier.
4. A method for facilitating rapid processing of platen switch status according to any one of claims 1-3, wherein:
the abnormal state of the pressing plate switch state comprises the condition that the original data is set as input, the actual identification shows that the pressing plate is withdrawn, and the pressing plate switch state is recorded as abnormal.
5. A method for facilitating rapid processing of platen switch status according to any one of claims 1-3, wherein: the abnormal state of the switch state of the pressing plate comprises the condition that the original data is set to be withdrawn, the actual identification is displayed as input, and the abnormal state is recorded.
6. The method for facilitating rapid processing of platen switch status of claim 1, wherein: for step VII, only the abnormal pressure plate switch state is displayed, and if the pressure plate switch state is normally put into or withdrawn from the pressure plate switch state, the pressure plate switch state is not displayed.
7. The method for facilitating rapid processing of platen switch status of claim 1, wherein: the setting state comprises an input state, an exit state and a standby state.
8. The method for facilitating rapid processing of platen switch status of claim 1, wherein: the mobile device includes, but is not limited to, a cell phone.
9. The method for facilitating rapid processing of platen switch status of claim 1, wherein: the identification process may be performed in a network-free state.
10. The method for facilitating rapid processing of platen switch status of claim 1, wherein: the image is marked.
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| CN202110163493.0A CN113158751B (en) | 2021-02-05 | 2021-02-05 | Method for facilitating rapid processing of press plate switch state |
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