CN113312952B - Method for checking consistency of power graphic picture association engineering in svg format - Google Patents
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Abstract
The invention discloses a method for checking consistency of power graphic picture association engineering in svg format, which comprises the following steps: and obtaining the corresponding association of all the point numbers of the transformer substation and the key_id attribute of the svg power graphic picture file by checking the existing key id. Txt file of the dispatching master station. And then, through the measuring point number in the XLS file of the transformer station table, a signal graphic element of the key_id corresponding to the measuring point number in the svg power graphic picture file is found out according to the mapping relation. The svg power graph picture association engineering consistency checking method comprises a picture jump analysis checking method, a measuring point association repeatability checking method, a single page measuring point repeatability checking method and a measuring point attribution checking method. The invention carries out the consistency check of the association engineering on the svg power graph picture, checks whether repeated and wrong measuring points exist in the svg file of the power graph picture, belongs to the data check of the svg file, and finds out that the errors exist before the graph picture points, thereby improving the accuracy of the point-to-point of the power graph picture.
Description
Technical Field
The invention belongs to the technical field of automatic point checking and accepting of graphic images of a power dispatching system, and particularly relates to a method for checking consistency of power graphic image association engineering in svg format.
Background
With the continuous popularization of unattended substations, whether each stage of dispatching center can accurately monitor the managed substations in real time is a premise of safe and stable operation of a power grid, and remote transmission area point table information of a dispatching master station and a station end needs to be checked. The signal point-to-point and acceptance of the power dispatching system main station side basically adopts manual checking of signal information in a real-time power graphic picture of the dispatching main station system. The mode brings great workload to dispatching staff, has low efficiency, is easy to generate omission and has hidden trouble for safe burying of the power grid.
In the checking and accepting process, if the correlation engineering consistency of the svg power graphic picture is poor, the checking and accepting accuracy of the graphic picture is poor.
Disclosure of Invention
The invention aims to solve the technical problems that: the utility model provides a consistency check method of a power graphic picture association project in a svg format, which aims to solve the problems in the prior art.
The technical scheme adopted by the invention is as follows: a method for checking consistency of power graphic picture association engineering in svg format comprises the following steps: and obtaining the corresponding association of all the point numbers of the transformer substation and the key_id attribute of the svg power graphic picture file by checking the existing key id. Txt file of the dispatching master station. And then, through the measuring point number in the XLS file of the transformer station table, a signal graphic element of the key_id corresponding to the measuring point number in the svg power graphic picture file is found out according to the mapping relation. The svg power graph picture association engineering consistency checking method comprises a picture jump analysis checking method, a measuring point association repeatability checking method, a single page measuring point repeatability checking method and a measuring point attribution checking method, wherein,
The picture jump analysis and inspection method comprises the following steps: checking xlink: href attribute (svg file picture skip path) in the svg power graphic picture file, and obtaining all repeated skip paths in the svg power graphic picture file. If the repeated jump path exists, prompting abnormality;
The test point association repeatability checking method comprises the following steps: and checking the number of svg files where the key_id attribute value corresponding to the measuring point number is located. 1 remote signaling signal exists in the svg file of the main wiring diagram (first page) and 1 interval division diagram svg at most, if the remote signaling signal exists in more than three svg files, the abnormal state needs to be reminded;
the single-page measuring point repeatability checking method comprises the following steps: the number of measurements in which the key_id attribute value is repeated in a single svg power graphic screen file is checked. If the key_id exists at more than 2 measuring points with repeated key_id attributes, the abnormality needs to be reminded;
The measuring point picture attribution checking method comprises the following steps: checking and extracting numbers and English codes (for example, the measured point name is "No. 1 main transformer 220kV second sleeving unit GOOSE total alarm"), extracting numbers and English codes are "1-220 kV-GOOSE") in all measuring point names in each svg file, and comparing the numbers and English codes (for example, the number and English codes are "220kV-1-220kV" in the 220kV space wiring diagram of the new 1 main transformer of the svg file). If the number in the name of the measuring point and the first 2 numbers in English codes (for example, "1-220kV" in "1-220 kV-GOOSE") are the same as the number in the name of the picture svg file to which the measuring point belongs and the last 2 numbers in English codes (for example, "1-220kV" in "220kV-1-220 kV"), judging that the measuring point belongs to the picture svg file; if the measured points are different, judging that the measured points do not belong to the picture svg file, and reminding of abnormality.
The invention has the beneficial effects that: compared with the prior art, the invention carries out the consistency check of the association engineering on the svg power graphic picture, checks whether repeated and wrong measuring points exist in the svg file of the power graphic picture, belongs to the data check of the svg file, searches for the errors before the picture is subjected to the point-to-point check, and improves the accuracy of the point-to-point of the power graphic picture.
Drawings
Fig. 1 is a schematic flow chart of the present invention.
Fig. 2 is a screenshot of a point to test table file xls.
Fig. 3 is a power graphics screen svg file screenshot.
Fig. 4 is a power graphics screen shot.
Detailed Description
The invention will be further described with reference to specific drawings and examples.
Example 1: a method for checking consistency of power graphic picture association engineering in svg format comprises the following steps: and obtaining the corresponding association of all the point numbers of the transformer substation and the key_id attribute of the svg power graphic picture file by checking the existing key id. Txt file of the dispatching master station. And then, through the measuring point number in the XLS file of the transformer station table, a signal graphic element of the key_id corresponding to the measuring point number in the svg power graphic picture file is found out according to the mapping relation. The svg power graph picture association engineering consistency checking method comprises a picture jump analysis checking method, a measuring point association repeatability checking method, a single page measuring point repeatability checking method and a measuring point attribution checking method, wherein,
The picture jump analysis and inspection method comprises the following steps: checking xlink: href attribute (svg file picture skip path) in the svg power graphic picture file, and obtaining all repeated skip paths in the svg power graphic picture file. If the repeated jump path exists, prompting abnormality;
The test point association repeatability checking method comprises the following steps: and checking the number of svg files where the key_id attribute value corresponding to the measuring point number is located. 1 remote signaling signal exists in the svg file of the main wiring diagram (first page) and 1 interval division diagram svg at most, if the remote signaling signal exists in more than three svg files, the abnormal state needs to be reminded;
the single-page measuring point repeatability checking method comprises the following steps: the number of measurements in which the key_id attribute value is repeated in a single svg power graphic screen file is checked. If the key_id exists at more than 2 measuring points with repeated key_id attributes, the abnormality needs to be reminded;
The measuring point picture attribution checking method comprises the following steps: checking and extracting numbers and English codes (for example, the measured point name is "No. 1 main transformer 220kV second sleeving unit GOOSE total alarm"), extracting numbers and English codes are "1-220 kV-GOOSE") in all measuring point names in each svg file, and comparing the numbers and English codes (for example, the number and English codes are "220kV-1-220kV" in the 220kV space wiring diagram of the new 1 main transformer of the svg file). If the number in the name of the measuring point and the first 2 numbers in English codes (for example, "1-220kV" in "1-220 kV-GOOSE") are the same as the number in the name of the picture svg file to which the measuring point belongs and the last 2 numbers in English codes (for example, "1-220kV" in "220kV-1-220 kV"), judging that the measuring point belongs to the picture svg file; if the measured points are different, judging that the measured points do not belong to the picture svg file, and reminding of abnormality.
Example 2: as shown in fig. 1-4, an automatic point checking and accepting method for a power graphic image includes the following steps:
step 1, a power graph picture of a power dispatching system is subjected to screenshot;
Step 2, preprocessing the power graph picture screenshot, cutting out a toolbar in the power graph picture, and amplifying the cut power graph picture to enable the coordinate position and the size of a power element displayed in the power graph picture screenshot to be the same as those of an original file svg or g of the power graph picture;
Step 3, acquiring the coordinate position and the size of a signal to be point-to-point in the electric power graphic picture according to the original file svg or g of the electric power graphic picture;
And 4, selecting a position and a size area of the point to point signal from the preprocessed power graph image, and identifying the image area. The method comprises the steps that a signal to be subjected to point-to-point separation is divided into a telemetry signal and a telemetry signal, a tesseact is adopted for identifying an image of the signal to be subjected to point-to-point separation, and the signal telemetry value in a power pattern is obtained; for a remote signaling signal, identifying a signal image to be subjected to point-to-point detection by adopting an electric graphic element identification method, and acquiring a signal element state and a remote measurement value (split or combined) in an electric power graph; the remote sensing signal is a digital value, and the remote signaling signal is an electric power element graph, so that different identification methods are adopted, and the identification speed is high;
Step 5, checking whether the image recognition result of the to-be-point signal of the power pattern has the same value as the to-be-point signal: if the identification result is the same as the signal value to be point-to-point, the signal is point-to-point correct; if the identification result is different from the signal value to be point-to-point, the signal point-to-point fails.
When the method is used, the file xls of the point table to be measured is firstly imported, as shown in fig. 2, and the name of the transformer substation, the name of the signal and the sequence of the point table to be measured are obtained.
Then, analyzing a svg file or a g file of a power graph picture of the power dispatching system, as shown in fig. 3, and acquiring the position of a signal to be point-to-point in the power graph picture, wherein the specific steps are as follows:
Step 1, inquiring the key_id attribute of the metadata sub-tag under the g tag in the svg file format of the power graphic picture according to the id name of the signal to be point, and finding out the tag with the same key_id attribute value as the id name of the signal to be point. For the G format power graphic picture file, inquiring the key id attribute of GzpGzp, DText, disconnector, groundDisconnector, CBreaker tags in the G format file, and finding the tag with the key id attribute value identical to the name of the to-be-point signal id;
And 2, acquiring coordinates of the signal to be subjected to point-to-point detection in the power graphic picture. And for the svg file format power graphic picture file, under the g label with the same key_id attribute value, searching the values of x and y attributes of the text sub-label, wherein x is the abscissa in the power graphic picture, and y is the ordinate in the power graphic picture, so that the coordinates of the to-be-point signal in the power graphic picture are obtained. For a G file format power graph picture file, under GzpGzp, DText, disconnector, groundDisconnector, CBreaker labels with identical key attribute values, searching values of x and y attributes, wherein x is an abscissa in a power graph picture, and y is an ordinate in the power graph picture, so that coordinates of a signal to be subjected to point-to-point are obtained in the power graph picture;
And step 3, obtaining the picture size of the to-be-point signal in the power graph picture. For a svg file format power graphic picture file, when a point signal is a telemetry signal, searching the values of a font-size attribute and a writing-mode attribute of a text sub-label under a g label with the same key_id attribute value, wherein the font-size is the size of a telemetry signal value text, and the writing-mode is the number of display digits of numbers, so that the picture size of the telemetry signal text is obtained; when the point signal is a remote signaling signal, under the g label with the same key_id attribute value, the values of the width attribute and the height attribute of the rect sub-label are searched, wherein width is the width of the signal graphic element and height is the height of the signal graphic element, and therefore the picture size of the remote signaling signal graphic element is obtained. For the G file format power graphic picture file, under GzpGzp, DText, disconnector, groundDisconnector, CBreaker labels with the same key attribute value, searching for values of w attribute and h attribute, wherein w is the width of a signal graphic primitive, and h is the height of the signal graphic primitive, thereby obtaining the picture size of the signal graphic primitive.
And then, carrying out consistency check on the graphic image association engineering, and searching out measuring points of original manual association errors in the power graphic image by checking key id attributes and poke attributes of the measuring points in the SVG file and the XLS file of the power graphic image, wherein the measuring point errors comprise button association errors, repetition and power intervals of the measuring points in multiple images and the measuring point association errors.
The consistency checking method for graphic picture association engineering comprises the following steps: and obtaining the corresponding association of all the point numbers of the transformer substation and the key_id attribute of the svg power graphic picture file by checking the existing key id. Txt file of the dispatching master station. And then, through the measuring point number in the XLS file of the transformer station table, a signal graphic element of the key_id corresponding to the measuring point number in the svg power graphic picture file is found out according to the mapping relation. The svg power graph picture association engineering consistency checking method comprises a picture jump analysis checking method, a measuring point association repeatability checking method, a single page measuring point repeatability checking method and a measuring point attribution checking method, wherein,
The picture jump analysis and inspection method comprises the following steps: checking xlink: href attribute (svg file picture skip path) in the svg power graphic picture file, and obtaining all repeated skip paths in the svg power graphic picture file. If the repeated jump path exists, prompting abnormality;
The test point association repeatability checking method comprises the following steps: and checking the number of svg files where the key_id attribute value corresponding to the measuring point number is located. 1 remote signaling signal exists in the svg file of the main wiring diagram (first page) and 1 interval division diagram svg at most, if the remote signaling signal exists in more than three svg files, the abnormal state needs to be reminded;
the single-page measuring point repeatability checking method comprises the following steps: the number of measurements in which the key_id attribute value is repeated in a single svg power graphic screen file is checked. If the key_id exists at more than 2 measuring points with repeated key_id attributes, the abnormality needs to be reminded;
The measuring point picture attribution checking method comprises the following steps: checking and extracting numbers and English codes (for example, the measured point name is "No. 1 main transformer 220kV second sleeving unit GOOSE total alarm"), extracting numbers and English codes are "1-220 kV-GOOSE") in all measuring point names in each svg file, and comparing the numbers and English codes (for example, the number and English codes are "220kV-1-220kV" in the 220kV space wiring diagram of the new 1 main transformer of the svg file). If the number in the name of the measuring point and the first 2 numbers in English codes (for example, "1-220kV" in "1-220 kV-GOOSE") are the same as the number in the name of the picture svg file to which the measuring point belongs and the last 2 numbers in English codes (for example, "1-220kV" in "220kV-1-220 kV"), judging that the measuring point belongs to the picture svg file; if the measured points are different, judging that the measured points do not belong to the picture svg file, and reminding of abnormality.
When the point checking and accepting test is carried out, the point signals are sent out by the station end according to the point table to be tested in sequence in a fixed period, and compared with the point signal sending out by the station end, the automatic point checking and accepting method for the electric power graphic picture has 2 seconds delay, and the delay function is to ensure that the actual remote signal data sent up by the station end is correctly sent to the dispatching master station system. The automatic point checking and accepting method for the electric power graphic picture checks that the fixed time interval of the primary measuring point is 5s, and the fixed time interval is the same as the point signal sending interval of the station end. The automatic checking and accepting method of the electric power graphic picture checks the order of the point tables which is the same as the order of the point tables sent by the station end. The method comprises the steps of identifying a point signal in an alarm window, sequentially sending the point signal at a substation side at a dispatching master station, sequentially checking the point signal in the alarm window in a dispatching system at the master station side, and synchronizing progress while sending out the signal and checking the signal in a non-correlated manner. The method has the advantages that: the link integrity of the point signal is checked, and the link integrity checking system comprises a station side telecontrol device and a master station side dispatching system.
The invention relates to a power dispatching system graphic image which mainly checks signal information of point checking and accepting, wherein the signal information is a signal name, a signal point number and a signal value.
When the automatic point checking and accepting method of the power graph picture starts to recognize the point signal in the power graph picture, the screenshot of the power graph picture is realized through the analog mouse, and the operation of the mouse is automatically controlled to realize the screenshot of the power graph picture, as shown in figure 4. The states of the point remote signaling signals are divided into 0 and 1, and the electric graphic element pictures of the remote signaling signals in different states are different, including different shapes, colors and flickering states. When the image recognition is carried out on the electric force diagram element picture of the signal, a plurality of image pictures need to be continuously intercepted, and the flickering state of the electric force diagram element of the point signal is intercepted. The flicker state of the electric force diagram element of the point signal is obtained by setting the time interval for continuously intercepting the electric force diagram picture to be 2/3 of the picture element flicker time interval and the number of the electric force diagram picture to be continuously intercepted to be 5. In the prior art, the problem is that the picture element of the remote signaling signal has a flickering state, only one picture is identified, the information of the picture element of the remote signaling signal cannot be confirmed, and a plurality of pictures are needed to be intercepted to obtain the flickering state of the electric picture element.
And preprocessing the power graphic screen shot, cutting out a toolbar in the power graphic screen, and amplifying the cut power graphic screen to ensure that the coordinate position and the size of a power element displayed in the power graphic screen shot are the same as those of an original file svg or g of the power graphic screen.
And then, according to the original file svg or g of the power graphic picture, acquiring the coordinate position and the size of the signal to be point-to-point in the power graphic picture. And selecting a position and a size area of a point signal to be detected from the preprocessed power graph picture, and identifying the picture area. The method comprises the steps that a signal to be subjected to point-to-point separation is divided into a telemetry signal and a telemetry signal, a tesseact is adopted for identifying an image of the signal to be subjected to point-to-point separation, and the signal telemetry value in a power pattern is obtained; for remote signaling signals, an electric graphic element identification technology is adopted to identify the point signal image to be detected, and the state of signal elements and the telemetering value (split or combined) in the electric power graph are obtained.
Finally, checking whether the image recognition result of the to-be-point signal of the power pattern has the same value as the to-be-point signal: if the identification result is the same as the signal value to be point-to-point, the signal is point-to-point correct; if the identification result is different from the signal value to be point-to-point, the signal point-to-point fails.
The image recognition method for the remote signaling signal image element is to recognize the color of the middle point, the vertical center line or the specific area of the image element so as to judge the state of the remote signaling signal image element. The specific recognition logic is as follows:
for the graphic elements of the circuit breaker in the remote signaling signal, a method for identifying the color of the center point is adopted. If the central point of the breaker graphic element is identified as black, judging that the state of the breaker graphic element is 'branch'; if the center point of the breaker graphic element is identified as red, judging the state of the breaker graphic element to be 'AND';
And adopting a method for identifying colors at two ends of a vertical center line for the graphic elements of the light character plate in the remote signaling signal. Taking the color of the point from top to bottom in the vertical center line, and judging the state of the optical character plate graphic element as 'branch' if the color of the point is taken to be yellow twice; if the red color is obtained twice, judging that the state of the optical character plate graphic element is 'on'; if the two obtained colors are inconsistent or the color is not obtained once, reporting that the identification is abnormal;
For the graphic element of the knife switch in the remote signaling signal, a method for identifying the color of a specific block area in the graphic element is adopted. If the color (not black) is identified in the specific block area, judging that the state of the disconnecting link graphic element is 'split'; if the color, namely black, is not recognized in the specific block area, judging that the state of the disconnecting link graphic element is 'on';
aiming at the shape and color characteristics of the electric graphic element, the state of the signal is judged by adopting the color on a specific straight line and a specific area in the electric graphic element, the requirement on hardware is low, and the recognition efficiency is high.
The graph and picture point checking and accepting method has the following advantages:
1) The method adopts the character recognition and image recognition technology to recognize the point signal information in the electric power graphic picture, omits the manpower consumption of manpower to people, greatly improves the working efficiency, reduces the cost, and avoids the problem that the manual point-to-point mode is easy to make mistakes, the remote sensing signal is a digital value, and the remote signaling signal is an electric power element picture, so that the recognition speed is higher by adopting different recognition methods. Aiming at the shape and color characteristics of the electric graphic element, the state of the signal is judged by adopting the color on a specific straight line and a specific area in the electric graphic element, the requirement on hardware is low, and the recognition efficiency is high;
2) The key mouse simulation technology is adopted, so that the key mouse can be automatically controlled to capture the electric power graphic picture, and the manual capture operation is omitted;
3) By checking the consistency of the graphic image association engineering, finding out the existing errors before the graphic image is subjected to the point-to-point process, and improving the correctness of the power graphic image;
4) The program of the point checking and accepting method can be run on a workstation computer of any 1 dispatching system, and has no interface interaction such as communication and the like with the dispatching system, and has no hidden trouble such as network safety and the like.
The foregoing is merely illustrative of the present invention, and the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the scope of the present invention, and therefore, the scope of the present invention shall be defined by the scope of the appended claims.
Claims (1)
1. A method for checking consistency of power graphic picture association engineering in svg format is characterized in that: the method comprises the following steps: the method comprises the steps of obtaining the corresponding association of all point numbers of a transformer substation and key_id attributes of a svg power graph picture file through checking an existing key id.txt file of a dispatching master station, and finding out signal graphic elements corresponding to the key_id corresponding to the point numbers in the svg power graph picture file through a mapping relation by using the point numbers of the point in a transformer station table XLS file, wherein the method for checking consistency of svg power graph picture association engineering comprises a picture jump analysis checking method, a point association repeatability checking method, a single-page point repeatability checking method and a point attribution checking method; wherein,
The picture jump analysis and inspection method comprises the following steps: checking xlink: href attribute in the svg power graphic picture file, wherein the attribute is provided with svg file picture skip paths, acquiring all repeated skip paths in the svg power graphic picture file, and reminding of abnormality if the repeated skip paths exist;
the test point association repeatability checking method comprises the following steps: checking the number of svg files in which key_id attribute values corresponding to the measuring point numbers are located, wherein one remote signaling signal is at most stored in the svg files of the main wiring diagram and the svg of the interval division diagram, and if the remote signaling signal is stored in more than three svg files, the abnormal state is required to be reminded;
The single-page measuring point repeatability checking method comprises the following steps: checking the number of the repeated measuring points of the key_id attribute value in a single svg power graphic picture file, and if the number of the repeated measuring points of the key_id attribute value is more than 2, prompting abnormality is needed;
The inspection method for the attribution of the measuring point picture comprises the following steps: checking and extracting numbers and English codes in all measuring point names in each svg file, comparing the numbers and English codes in the picture svg file names to which the measuring points belong, and judging that the measuring points belong to the picture svg file if the first two numbers and English codes in the measuring point names are identical to the last two numbers and English codes in the picture svg file names to which the measuring points belong; if the measured points are different, judging that the measured points do not belong to the picture svg file, and reminding of abnormality.
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