CN117074248B - SF after digital transformation6Method and system for monitoring gas density - Google Patents
SF after digital transformation6Method and system for monitoring gas density Download PDFInfo
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- CN117074248B CN117074248B CN202310416915.XA CN202310416915A CN117074248B CN 117074248 B CN117074248 B CN 117074248B CN 202310416915 A CN202310416915 A CN 202310416915A CN 117074248 B CN117074248 B CN 117074248B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 37
- 230000008859 change Effects 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 14
- 230000002159 abnormal effect Effects 0.000 claims abstract description 11
- 230000005856 abnormality Effects 0.000 claims abstract description 8
- 238000010586 diagram Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000007791 dehumidification Methods 0.000 claims description 6
- 230000006870 function Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 10
- 230000009466 transformation Effects 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 229910018503 SF6 Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/26—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences
- G01N9/266—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences for determining gas density
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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Abstract
The invention relates to the technical field of SF 6 gas monitoring, in particular to a method and a system for monitoring the density of SF 6 gas after digital transformation, wherein the method comprises the following steps: respectively acquiring the change curves of SF 6 gas density of corresponding GIS equipment along with time in a time period through SF 6 density relays which are distributed; and calculating the similarity of every two change curves, and when the density of SF 6 gas collected by any SF 6 density relay in any group is abnormal, sending out a prompt of the abnormality of any group, wherein the similarity between every two SF 6 density relays in any group exceeds the preset similarity. So that maintenance personnel can process timely and more pertinently to prevent larger loss, and no more screens are needed, the cost is low, and monitoring personnel are not needed to check the data such as SF 6 gas density collected by each SF 6 density relay at the same time, so that the workload is small.
Description
Technical Field
The invention relates to the technical field of SF 6 gas monitoring, in particular to a method and a system for monitoring the density of SF 6 gas after digital transformation.
Background
A decrease in the density of SF 6 (sulfur hexafluoride) gas within an electrical device (e.g., caused by leaks, etc.) will severely impact the electrical performance of an SF 6 electrical device, creating a serious concern for safe operation. The SF 6 density relay applied in the current power industry mainly adopts a spring tube to realize pressure value measurement and a mechanical contact to realize control. When the SF 6 gas leakage alarm device works, if the SF 6 gas leakage occurs, an alarm or locking contact point is closed, and an alarm signal is sent out, so that a control system of the device is locked, and the safety operation of the SF6 electrical device is realized.
The SF6 gas density relay is provided with a wiring inlet after digital transformation, and for a wet and rainy area, although a shell is arranged around the instrument to protect the shell, the humidity of the wiring position of the instrument is overlarge due to long-time moisture, so that the rusted short circuit of a circuit board is caused. The acquired gas pressure signal has large deviation, and an error alarm is triggered. The number of inspection times of personnel and the shutdown of equipment are initiated.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method and a system for monitoring the density of SF 6 gas after digital transformation aiming at the defects of the prior art.
The technical scheme of the method for monitoring the density of the SF 6 gas after digital transformation is as follows:
SF 6 density relays are distributed, are integrally arranged in a rainproof closed shell, and are provided with heating fans; the wind direction of the heating fan faces to the secondary wiring port of the SF 6 density relay, and the bottom of the closed shell is provided with a transom opened by air pressure;
The surface of the closed shell is made of transparent materials; the shell is internally provided with a camera for collecting dial pointers of the SF 6 density relay and a wireless module;
the controller is used for starting according to the humidity threshold value in the shell at regular intervals and/or starting the heating fan when detecting that the data of the dial pointer is close to a yellow dial alarm area;
Respectively acquiring a change curve of SF 6 gas density of corresponding GIS equipment along with time in a time period;
Calculating the similarity of every two change curves, and when the SF 6 gas density at the current moment acquired by any SF 6 density relay in any group is abnormal, sending out a warning of the abnormality of any group, wherein the similarity between every two SF 6 density relays in any group exceeds the preset similarity;
Simultaneously, a dehumidification function is started through the controller, measurement is continuously carried out for a plurality of times in a time period, and data of a pointer shot by the camera are used as data of a change curve of the GIS equipment; the process of calculating the similarity of every two change curves is performed again.
The method for monitoring the density of the SF 6 gas after digital transformation has the following beneficial effects:
The similarity between every two SF 6 density relays in each group exceeds the preset similarity, so that the association relationship such as circuit association, communication association and the like exists among a plurality of GIS devices corresponding to each group, when the final SF 6 gas density collected by any SF 6 density relay in any group is abnormal, the abnormal reminding of any group is sent out, so that maintenance personnel can timely and more pertinently process the gas density, larger loss is prevented, more screens are not needed, the cost is low, and monitoring personnel are not needed to check the data such as the SF 6 gas density collected by each SF 6 density relay at the same time, so that the workload is small. Through the hot-air blower that starts dehumidification, can reduce the virtual joint that the moisture led to the circuit board corrosion of secondary wiring in the instrument to and the risk of short circuit to through the data acquisition of the camera of instrument, get rid of digital trouble. Reducing the influence of shutdown and inspection.
On the basis of the scheme, the method for monitoring the density of the SF 6 gas after digital modification can be improved as follows.
Further, the method further comprises the following steps:
And arranging a plurality of display windows on the display interface, wherein the final SF 6 gas density of any SF 6 density relay is selected from each group, and is displayed in the plurality of display windows, and each display window corresponds to one selected SF 6 density relay.
The beneficial effects of adopting above-mentioned technical scheme are: the display is performed more pertinently, and a better guiding effect is achieved for maintenance personnel to perform more pertinence maintenance.
Further, the method further comprises the following steps:
Expanding a blank area of a intercepted screenshot of a user on the display interface, identifying the number of each SF 6 density relay in the screenshot, calling the product information and the installation position of each SF 6 density relay according to the number of each SF 6 density relay, and adding the product information and the installation position to the blank area to obtain the screenshot after processing.
The beneficial effects of adopting the further scheme are as follows: in the prior art, when a user propagates a screenshot, the user also needs to edit a text to explain product information and installation positions, so that the screenshot and the text are separated, the screenshot is complex and can be easily missed by others.
Further, the method further comprises the following steps:
Vectorizing the screenshot after processing to obtain a vector diagram.
The beneficial effects of adopting the further scheme are as follows: when the vector diagram is amplified, distortion condition can not appear, and monitoring personnel can conveniently check the vector diagram.
Further, the method further comprises the following steps:
And correcting the SF 6 gas density collected by the SF 6 density relay.
The beneficial effects of adopting the further scheme are as follows: the accuracy of the collected SF 6 gas density is ensured.
The invention relates to a digital modified SF 6 gas density monitoring system, which comprises a shell, a controller, a camera, a hot air blower and a louver at the bottom of the shell, wherein the controller is internally provided with a processor and a memory for storing software codes, and the processor reads the software codes and executes the method of the embodiment.
Drawings
FIG. 1 is a schematic flow chart of a method for monitoring the density of a digitally modified SF 6 gas according to an embodiment of the present invention;
FIG. 2 is a logic block diagram of a digitally retrofitted SF 6 gas density monitoring device according to an embodiment of the present invention;
Fig. 3 is a schematic diagram of the shape of a digitally modified monitoring device for SF 6 gas density according to an embodiment of the present invention.
Detailed Description
In order to clearly illustrate the aspects of the present invention, preferred embodiments are described below in detail with reference to the accompanying drawings.
As shown in fig. 1, a method for monitoring the density of a digitally modified SF 6 gas according to an embodiment of the present invention includes the following steps:
S1: SF 6 density relays are distributed, are integrally arranged in a rainproof closed shell, and are provided with heating fans; the wind direction of the heating fan faces to the secondary wiring port of the SF 6 density relay, and the bottom of the closed shell is provided with a transom opened by air pressure;
S2: the surface of the closed shell is made of transparent materials; the shell is internally provided with a camera for collecting dial pointers of the SF 6 density relay and a wireless module;
S3: the controller is used for starting according to the humidity threshold value in the shell at regular intervals and/or starting the heating fan when detecting that the data of the dial pointer is close to a yellow dial alarm area;
S4: respectively acquiring a change curve of SF 6 gas density of corresponding GIS equipment along with time in a time period;
S5: calculating the similarity of every two change curves, and when the SF 6 gas density at the current moment acquired by any SF 6 density relay in any group is abnormal, sending out a warning of the abnormality of any group, wherein the similarity between every two SF 6 density relays in any group exceeds the preset similarity;
S6: simultaneously, a dehumidification function is started through the controller, measurement is continuously carried out for a plurality of times in a time period, and data of a pointer shot by the camera are used as data of a change curve of the GIS equipment; the process of calculating the similarity of every two change curves is performed again.
Through the embodiment, the situation that the output signal of the circuit board at the secondary wire inlet position is unstable and the data deviation is large due to the damp influence in the scheme of acquisition and monitoring after the digital transformation of the relay can be effectively prevented, secondary correction can be performed through the data acquired by the camera, and meanwhile, dehumidification drying equipment is started and then monitored; and further, personnel inspection and power reduction accidents of shutdown are avoided. Thereby eliminating the influence of digital short circuit or virtual connection fault on inspection and equipment.
In the above embodiment, the process of calculating the similarity of the two change curves is as follows:
the similarity of two change curves is calculated by using a curve similarity algorithm, and the principle is as follows: the distance between two change curves is calculated by using the Manhattan distance or the Euclidean distance, the smaller the distance between the two change curves is, the higher the similarity is, and the minimum distance between the two change curves is generally taken as the similarity between the two change curves. The monitoring of the similar equipment can be repeated in the same converter station, and the deviation of the comparison similarity can be carried out on the numerical curves of the states of the similar equipment. One of the two change curves can be a reference curve determined by big data, or change data of a meter pointer acquired by a camera, or data of another similar device in the station.
And when similarity operation is performed, collecting deviation values of two curves at a plurality of moments of sampling, and starting the step S6 when the single deviation value is larger than a first threshold value or the multiple deviations are larger than a second threshold value. Wherein the first threshold is greater than the second threshold.
The reference curve can be replaced randomly, and after the deviation of the similarity occurs, the fault of the electronic device of the relay can be monitored by collecting the shooting data of the camera. On the contrary, the deviation between the digital curve of the current relay and the adjacent similar equipment is small, and when the data on the instrument collected and identified by the camera is large, the conditions of ageing and inaccurate numerical value of the mechanical instrument can be checked. The accuracy of monitoring is improved.
The specific value of the preset similarity can be set according to actual conditions.
Wherein, the occurrence of the abnormality is specifically: the collected SF 6 gas density exceeds the preset SF 6 gas density.
The similarity between every two SF 6 density relays in each group exceeds the preset similarity, so that the association relationship such as circuit association, communication association and the like exists among a plurality of GIS devices corresponding to each group, when the final SF 6 gas density collected by any SF 6 density relay in any group is abnormal, the abnormal reminding of any group is sent out, so that maintenance personnel can timely and more pertinently process the gas density, larger loss is prevented, more screens are not needed, the cost is low, and monitoring personnel are not needed to check the data such as the SF 6 gas density collected by each SF 6 density relay at the same time, so that the workload is small.
Optionally, in the above technical solution, the executing S4 to S6 further includes:
S41: and arranging a plurality of display windows on the display interface, wherein the final SF 6 gas density of any SF 6 density relay is selected from each group, and is displayed in the plurality of display windows, and each display window corresponds to one selected SF 6 density relay. The display is performed more pertinently, and a better guiding effect is achieved for maintenance personnel to perform more pertinence maintenance. And the monitoring personnel are not required to check the data such as SF 6 gas density collected by each SF 6 density relay, the workload is small, more display screens are not required, and the cost is reduced.
The number of the display windows can be set according to practical situations.
Optionally, in the above technical solution, the executing S4 to S6 further includes:
S42, expanding a blank area for the intercepted screenshot of the user on the display interface, identifying the number of each SF 6 density relay in the screenshot, calling the product information and the installation position of each SF 6 density relay according to the number of each SF 6 density relay, and adding the product information and the installation position to the blank area to obtain the processed screenshot.
The process of expanding the blank area for the intercepted screenshot of the user on the display interface comprises the following steps: and adding pixel points at the edge of the screenshot to expand a blank area.
The codes of each SF 6 density relay can be set in advance, the codes are printed on the labels, and the labels are attached to the SF 6 density relays, so that the number of each SF 6 density relay in the screenshot can be obtained through an image recognition mode.
The codes, the product information and the installation positions of the SF 6 density relays are stored in a database in advance, so that the product information and the installation positions of the SF 6 density relays can be called through the codes and added into a blank area, and the screenshot after processing is obtained.
In the prior art, when a user propagates a screenshot, the user also needs to edit a text to explain product information and installation positions, so that the screenshot and the text are separated, the screenshot is complex and can be easily missed by others.
Optionally, in the above technical solution, the executing S4 to S6 further includes:
S43, vectorizing the processed screenshot to obtain a vector image. When the vector diagram is amplified, distortion condition can not appear, and monitoring personnel can conveniently check the vector diagram. The conversion of the vector diagram is a conventional technical means in the art, and technical details will not be explained.
Optionally, in the above technical solution, the executing S4 to S6 further includes:
And correcting the SF 6 gas density collected by the SF 6 density relay. The specific correction process is as follows:
The SF 6 density relay with higher precision and the SF 6 density relay in the application are used in advance to collect SF 6 gas density of a GIS tank body of the same GIS equipment at the same temperature, the SF 6 gas density collected by the SF 6 density relay with higher precision is taken as a standard, the deviation is calculated, then the temperature is changed, the deviation corresponding to each temperature is collected, when the SF 6 density relay in the application collects SF 6 gas density, the current temperature is obtained, and the SF 6 gas density collected by the SF 6 density relay in the application is corrected according to the deviation corresponding to the current temperature, so that the accuracy of the collected SF 6 gas density is ensured.
The process of obtaining the current temperature may specifically be: and installing a temperature sensor in the SF 6 density relay to obtain the current temperature, or installing a temperature sensor in some SF 6 density relays to obtain the current temperature.
In the above embodiments, although steps S1, S2, etc. are numbered, only specific embodiments of the present application are given, and those skilled in the art may adjust the execution sequence of S1, S2, etc. according to the actual situation, which is also within the scope of the present application, and it is understood that some embodiments may include some or all of the above embodiments.
As shown in fig. 2, a system for monitoring the density of a digitally modified SF 6 gas according to an embodiment of the present invention includes: SF 6 density relays are distributed, are integrally arranged in a rainproof closed shell, and are provided with heating fans; the wind direction of the heating fan faces to the secondary wiring port of the SF 6 density relay, and the bottom of the closed shell is provided with a transom opened by air pressure;
The surface of the closed shell is made of transparent materials; the shell is internally provided with a camera for collecting dial pointers of the SF 6 density relay and a wireless module;
the controller is used for starting according to the humidity threshold value in the shell at regular intervals and/or starting the heating fan when detecting that the data of the dial pointer is close to a yellow dial alarm area;
the device comprises an acquisition module and an abnormality reminding module;
The acquisition module is used for: respectively acquiring the change curves of SF 6 gas density of corresponding GIS equipment along with time in a time period through SF 6 density relays which are distributed;
The abnormality reminding module is used for: calculating the similarity of every two change curves, and when the SF 6 gas density at the current moment acquired by any SF 6 density relay in any group is abnormal, sending out a warning of the abnormality of any group, wherein the similarity between every two SF 6 density relays in any group exceeds the preset similarity; simultaneously, a dehumidification function is started through the controller, measurement is continuously carried out for a plurality of times in a time period, and data of a pointer shot by the camera are used as data of a change curve of the GIS equipment; the process of calculating the similarity of every two change curves is performed again.
The controller is also used for executing the judging process of the similarity and the process of camera acquisition. The controller has a processor therein and a memory storing software code, which is read by the processor to perform the method of the above embodiments.
The similarity between every two SF 6 density relays in each group exceeds the preset similarity, so that the association relationship such as circuit association, communication association and the like exists among a plurality of GIS devices corresponding to each group, when the final SF 6 gas density collected by any SF 6 density relay in any group is abnormal, the abnormal reminding of any group is sent out, so that maintenance personnel can timely and more pertinently process the gas density, larger loss is prevented, more screens are not needed, the cost is low, and monitoring personnel are not needed to check the data such as the SF 6 gas density collected by each SF 6 density relay at the same time, so that the workload is small.
Optionally, in the above technical solution, the display device further includes a display module;
The display module is used for: and arranging a plurality of display windows on the display interface, wherein the final SF 6 gas density of any SF 6 density relay is selected from each group, and is displayed in the plurality of display windows, and each display window corresponds to one selected SF 6 density relay.
The display is performed more pertinently, and a better guiding effect is achieved for maintenance personnel to perform more pertinence maintenance.
Optionally, in the above technical solution, the device further includes an adding module;
The adding module is used for: expanding a blank area of a screenshot intercepted by a user on a display interface, identifying the screenshot intercepted by the user on the display interface, identifying the number of each SF 6 density relay in the screenshot, calling the product information and the installation position of each SF 6 density relay according to the number of each SF 6 density relay, and adding the product information and the installation position to the blank area.
In the prior art, when a user propagates a screenshot, the user also needs to edit a text to explain product information and installation positions, so that the screenshot and the text are separated, the screenshot is complex and can be easily missed by others.
Optionally, in the above technical solution, the apparatus further includes a vector diagram conversion module;
the vector diagram conversion module is used for vectorizing the processed screenshot to obtain a vector diagram, and distortion condition can not occur when the vector diagram is amplified, so that monitoring personnel can conveniently check the vector diagram.
Optionally, in the above technical solution, the system further includes a correction module, where the correction module is configured to: and correcting the gas density of SF 6 collected by the SF 6 density relay, so as to ensure the accuracy of the collected SF 6 gas density.
The steps for implementing the corresponding functions of each parameter and each unit module in the digitally modified SF 6 gas density monitoring system according to the present invention may refer to each parameter and each step in the embodiment of the digitally modified SF 6 gas density monitoring method according to the present invention, which are not described herein.
Those skilled in the art will appreciate that the present invention may be implemented as a system, method, or computer program product.
Accordingly, the present disclosure may be embodied in the following forms, namely: either entirely hardware, entirely software (including firmware, resident software, micro-code, etc.), or entirely software, or a combination of hardware and software, referred to herein generally as a "circuit," module "or" system. Furthermore, in some embodiments, the invention may also be embodied in the form of a computer program product in one or more computer-readable media, which contain computer-readable program code.
The computer readable storage medium can be, for example, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples (a non-exhaustive list) of the computer-readable storage medium include an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination thereof. In this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (5)
1. The digital modified SF6 gas density online monitoring method is characterized by further comprising the following steps:
SF6 density relays are distributed and arranged integrally in a rainproof closed shell, and a heating fan is arranged in the shell; the wind direction of the heating fan faces to the secondary wiring port of the SF6 density relay, and the bottom of the closed shell is provided with a louver opened by air pressure;
the surface of the closed shell is made of transparent materials; the shell is internally provided with a camera for collecting dial pointers of the SF6 density relay and a wireless module;
the controller is used for starting according to the humidity threshold value in the shell at regular intervals and/or starting the heating fan when detecting that the data of the dial pointer is close to a yellow dial alarm area;
respectively acquiring a change curve of SF6 gas density of corresponding GIS equipment along with time in a time period;
calculating the similarity of every two change curves, and when the SF6 gas density of the current moment acquired by any SF6 density relay in any group is abnormal, sending out a prompt of the abnormality of any group, wherein the similarity between every two SF6 density relays in any group exceeds the preset similarity;
Simultaneously, a dehumidification function is started through the controller, measurement is continuously carried out for a plurality of times in a time period, and data of a pointer shot by the camera are used as data of a change curve of the GIS equipment; executing the process of calculating the similarity of every two change curves again; further comprises:
And arranging a plurality of display windows on the display interface, selecting the final SF6 gas density of any SF6 density relay from each group, and displaying the final SF6 gas density in the plurality of display windows, wherein each display window corresponds to one selected SF6 density relay.
2. The method for on-line monitoring of digitally retrofitted SF6 gas density of claim 1 further comprising:
Expanding a blank area for a intercepted screenshot of a user on the display interface, identifying the intercepted screenshot of the user on the display interface, identifying the number of each SF6 density relay in the screenshot, calling the product information and the installation position of each SF6 density relay according to the number of each SF6 density relay, and adding the product information and the installation position to the blank area to obtain a processed screenshot.
3. The method for on-line monitoring of digitally retrofitted SF6 gas density of claim 2 further comprising:
Vectorizing the screenshot after processing to obtain a vector diagram.
4. A method of on-line monitoring of digitally retrofitted SF6 gas density according to any of claims 1 to 3 and also comprising:
and correcting the SF6 gas density collected by the SF6 density relay.
5. A digitally retrofitted monitoring system for SF6 gas density, characterized by a processor and a memory storing software code, said processor reading said software code and performing the method of any of the preceding claims 1-4.
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| CN202310416915.XA CN117074248B (en) | 2023-04-18 | 2023-04-18 | SF after digital transformation6Method and system for monitoring gas density |
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| US5388451A (en) * | 1993-07-30 | 1995-02-14 | Consolidated Electronics Inc. | High voltage transmission switching apparatus with gas monitoring device |
| CN206533649U (en) * | 2017-03-24 | 2017-09-29 | 湖南永融自动化科技有限公司 | Damp-proof electrical control cabinet |
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