CN113178949A - Checking system and method for transformer substation protection hard pressing plate state detection - Google Patents
Checking system and method for transformer substation protection hard pressing plate state detection Download PDFInfo
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- 238000003825 pressing Methods 0.000 title claims abstract description 107
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 title claims description 12
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000003708 edge detection Methods 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000003709 image segmentation Methods 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000007689 inspection Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0025—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement consisting of a wireless interrogation device in combination with a device for optically marking the record carrier
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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
- G06V10/30—Noise filtering
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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
- G06V20/00—Scenes; Scene-specific elements
- G06V20/10—Terrestrial scenes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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Abstract
The invention discloses a checking system and a checking method for detecting the state of a transformer substation protection hard pressing plate, wherein the checking system comprises a mobile display terminal, a two-dimensional code and a main station end; the two-dimensional code is arranged on the outer side of the to-be-detected protection device, and a hard pressing plate state of the corresponding protection device is stored; two-dimensional code scanning module is used for scanning and waits to detect the protection device two-dimensional code, clamp plate image acquisition module is used for gathering protection screen cabinet clamp plate image and falls the processing of making an uproar through filtering algorithm to it, clamp plate image recognition module is used for through edge detection, the figure is cut apart and is acquireed each clamp plate figure, and judge each clamp plate state, transmit the clamp plate state to database module, database module acquires this protection device hard clamp plate nearest state according to the protection device two-dimensional code, and compare with the current state, output alarm information to mobile display terminal display module when both are inconsistent. The efficiency of checking the hard pressing plate is improved, the functions of real-time acquisition and automatic checking of the state of the hard pressing plate are realized, and the inspection and maintenance pressure of operation and maintenance personnel is reduced.
Description
Technical Field
The invention relates to the technical field of transformer substation protection hard pressing plate state detection and checking systems, in particular to a checking system and a checking method for transformer substation protection hard pressing plate state detection.
Background
CN109782295A discloses a transformer substation hard pressing plate state detection and checking device, which mainly comprises a detection cross bar, a connecting piece and a handle, wherein the detection cross bar is vertically connected with the handle through the connecting piece; a plurality of distance measuring modules are uniformly arranged on the detection cross rod at intervals; the handle is internally provided with a controller and a power supply, and the ranging module and the power supply are connected with the controller; the connecting piece is provided with a display screen, a key and an alarm device, and the display screen, the key and the alarm device are all connected with the controller.
In a transformer substation, a hard pressing plate is still widely applied to a protection and safety automatic device, and the misoperation, the operation rejection or the operation execution failure of the protection and safety automatic device can be caused by the mistaken throwing and withdrawing of the hard pressing plate, so that power equipment is burnt or a large-range power failure accident is caused, and the operation safety of a power grid is further influenced. The state monitoring of the existing hard pressing plate mainly depends on manual inspection and offline management. Meanwhile, the secondary equipment is high in density on hard pressing plate layout and integrated in function, operation personnel can easily perform mistaken throwing and retreating operations on the pressing plates, the management mode of the pressing plates in the station is single, relevant historical data are deficient, and potential hazards are caused to safety production.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a checking system and a checking method for detecting the state of a protective hard pressing plate of a transformer substation, so that the efficiency of checking the hard pressing plate is improved, the functions of real-time acquisition and automatic checking of the state of the hard pressing plate are realized, and the inspection and maintenance pressure of operation and maintenance personnel is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a checking system for detecting the state of a transformer substation protection hard pressing plate comprises a mobile display terminal, a two-dimensional code and a main station end; the mobile display terminal is in wireless connection with a database module arranged at the master station end through a mobile network; the two-dimensional code is arranged on the outer side of the to-be-detected protection device and stores the state of a hard pressing plate corresponding to the protection device; the mobile display terminal is provided with a corresponding third-party application program, the third-party application program comprises a two-dimensional code scanning module, a pressing plate image acquisition module and a pressing plate image identification module, the database module is respectively connected with the two-dimensional code scanning module and the pressing plate image identification module, and the pressing plate image identification module is also connected with the pressing plate image acquisition module; the two-dimensional code scanning module is used for scanning the two-dimensional code of the to-be-detected protection device, the pressing plate image acquisition module is used for acquiring the pressing plate image of the protection screen cabinet and performing noise reduction processing on the pressing plate image through a filtering algorithm, the pressing plate image recognition module is used for acquiring each pressing plate image through edge detection and image segmentation, judging the state of each pressing plate and transmitting the state of each pressing plate to the database module, and the database module acquires the nearest state of the hard pressing plate of the protection device according to the two-dimensional code of the protection device, compares the nearest state with the current state, and outputs alarm information to the display module of the mobile display terminal when the two states are inconsistent.
Optionally, the mobile display terminal includes a mobile phone and a tablet computer.
The invention also adopts a method for the checking system for the state detection of the transformer substation protection hard pressing plate, which comprises the following steps:
scanning a two-dimensional code of a protection device to be detected, and acquiring historical switching-in and switching-out records of a hard pressing plate of the protection device from a database module;
collecting a protection screen cabinet pressing plate image and carrying out noise reduction processing on the protection screen cabinet pressing plate image through a filtering algorithm;
obtaining the graph of each pressing plate through edge detection and graph segmentation, judging the state of each pressing plate, and transmitting the state of each pressing plate to the database module;
and acquiring the latest state of the hard pressing plate of the protection device according to the two-dimensional code of the protection device, comparing the latest state with the current state, and outputting alarm information when the latest state and the current state are inconsistent.
The hard pressing plate is a ring for connecting the relay protection and safety automatic device with external wiring, the switching of the hard pressing plate is the key content of the operation of secondary equipment, the protection function and the normal use of an action outlet can be directly influenced, and therefore, the inspection and the checking of the state of the hard pressing plate are one of important works in the operation and maintenance of electric power. The inspection of the hard pressing plate is mainly carried out in a manual inspection mode, two persons are generally needed, one person holds the hard pressing plate card to read the double names and the putting-in and withdrawing states of the pressing plate, and the other person carries out rechecking and checking.
The invention has the following positive beneficial effects: every tour personnel is equipped with a mobile display terminal who installs the third party application that corresponds the system of checking at least, adopt the mode of shooing to gather transformer substation protection hard clamp plate state information, the database module obtains this protection device hard clamp plate's nearest state according to the protection device two-dimensional code, and compare with current state, output alarm information when both are inconsistent, in time remind field operation personnel and scheduling personnel, stop the emergence of the artificial error phenomenon of judgement, the efficiency of checking hard clamp plate has been improved, realize hard clamp plate state real-time collection and automatic check function, the tour of fortune dimension personnel, maintenance pressure has been alleviateed.
Drawings
Fig. 1 is a schematic diagram of a checking system for detecting the state of a substation protection hard pressing plate according to embodiment 1 of the present invention;
fig. 2 is a schematic diagram of a method of a checking system for detecting a state of a substation protection hard pressing plate according to embodiment 1 of the present invention.
Detailed Description
The invention will be further illustrated with reference to some specific embodiments.
Example 1
As shown in fig. 1, a checking system for detecting the state of a transformer substation protection hard pressing plate comprises a mobile display terminal, a two-dimensional code and a main station terminal; the mobile display terminal is in wireless connection with a database module arranged at the master station end through a mobile network; the two-dimensional code is arranged on the outer side of the to-be-detected protection device and stores the state of a hard pressing plate corresponding to the protection device; the mobile display terminal is provided with a corresponding third-party application program, the third-party application program comprises a two-dimensional code scanning module, a pressing plate image acquisition module and a pressing plate image identification module, the database module is respectively connected with the two-dimensional code scanning module and the pressing plate image identification module, and the pressing plate image identification module is also connected with the pressing plate image acquisition module; the two-dimensional code scanning module is used for scanning the two-dimensional code of the to-be-detected protection device, the pressing plate image acquisition module is used for acquiring the pressing plate image of the protection screen cabinet and performing noise reduction processing on the pressing plate image through a filtering algorithm, the pressing plate image recognition module is used for acquiring each pressing plate image through edge detection and image segmentation, judging the state of each pressing plate and transmitting the state of each pressing plate to the database module, and the database module acquires the nearest state of the hard pressing plate of the protection device according to the two-dimensional code of the protection device, compares the nearest state with the current state, and outputs alarm information to the display module of the mobile display terminal when the two states are inconsistent.
Each patrol worker is at least provided with a mobile display terminal provided with a third-party application program corresponding to the checking system, the state information of the hard pressing plate for protecting the transformer substation is collected in a photographing mode and is transmitted to a main station end through a mobile network, and an analysis processing module of the transformer substation end visually presents the hard pressing plate on-off positions of the relay protection and safety automatic device through an image recognition technology; whether the state is checked correctly by the main station side, the database module obtains the latest state of the hard pressing plate of the protection device according to the two-dimensional code of the protection device, compares the latest state with the current state, outputs alarm information when the latest state and the current state are inconsistent, timely reminds field operators and dispatchers, avoids the occurrence of human judgment error, improves the efficiency of checking the hard pressing plate, realizes the functions of real-time acquisition and automatic checking of the state of the hard pressing plate, and reduces the pressure of inspection and maintenance of operation and maintenance personnel. The mobile display terminal comprises a mobile phone and a tablet personal computer, is equipped with a photographing and code scanning function, and is convenient to carry.
As shown in fig. 2, a method for a checking system for substation protection hard platen state detection includes the steps of:
s1, scanning the two-dimensional code of the to-be-detected protection device, and acquiring historical switching records of the hard pressing plate of the protection device from the database module;
s2, collecting a protection screen cabinet pressure plate image and carrying out noise reduction processing on the protection screen cabinet pressure plate image through a filtering algorithm;
s3, obtaining each pressing plate graph through edge detection and graph segmentation, judging the state of each pressing plate, and transmitting the state of each pressing plate to the database module;
and S4, acquiring the latest state of the hard pressing plate of the protection device according to the two-dimensional code of the protection device, comparing the latest state with the current state, and outputting alarm information when the latest state and the current state are inconsistent.
The two-dimensional code scanning module scans the two-dimensional code of the to-be-detected protection device and acquires the historical switching-on/off record of the hard pressing plate of the protection device from the database module; the pressing plate image acquisition module acquires a pressing plate image of the protection screen cabinet and performs noise reduction processing on the pressing plate image through a filtering algorithm so as to reduce the influence of factors such as image acquisition quality, light intensity, irradiation angle, reflection, object shadow and the like; the pressing plate image identification module acquires each pressing plate image through edge detection and image segmentation, judges the state of each pressing plate and transmits the state of each pressing plate to the database module; the accuracy and precision of hard pressing plate identification are improved; and the database module acquires the latest state of the hard pressing plate of the protection device according to the two-dimensional code of the protection device, compares the latest state with the current state, outputs alarm information when the latest state and the current state are inconsistent, and timely reminds field operators and dispatchers. The functions of real-time acquisition and automatic check of the state of the hard pressing plate are realized, and the inspection and maintenance pressure of operation and maintenance personnel is reduced.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (3)
1. A checking system for detecting the state of a transformer substation protection hard pressing plate is characterized by comprising a mobile display terminal, a two-dimensional code and a main station end; the mobile display terminal is in wireless connection with a database module arranged at the master station end through a mobile network; the two-dimensional code is arranged on the outer side of the to-be-detected protection device and stores the state of a hard pressing plate corresponding to the protection device; the mobile display terminal is provided with a corresponding third-party application program, the third-party application program comprises a two-dimensional code scanning module, a pressing plate image acquisition module and a pressing plate image identification module, the database module is respectively connected with the two-dimensional code scanning module and the pressing plate image identification module, and the pressing plate image identification module is also connected with the pressing plate image acquisition module; the two-dimensional code scanning module is used for scanning the two-dimensional code of the to-be-detected protection device, the pressing plate image acquisition module is used for acquiring the pressing plate image of the protection screen cabinet and performing noise reduction processing on the pressing plate image through a filtering algorithm, the pressing plate image recognition module is used for acquiring each pressing plate image through edge detection and image segmentation, judging the state of each pressing plate and transmitting the state of each pressing plate to the database module, and the database module acquires the nearest state of the hard pressing plate of the protection device according to the two-dimensional code of the protection device, compares the nearest state with the current state, and outputs alarm information to the display module of the mobile display terminal when the two states are inconsistent.
2. The checking system for substation protection hard platen state detection of claim 1, wherein the mobile display terminal comprises a cell phone and a tablet computer.
3. A method for a checking system for substation protection hard-platen condition detection according to any of claims 1 or 2, comprising the steps of:
scanning a two-dimensional code of a protection device to be detected, and acquiring historical switching-in and switching-out records of a hard pressing plate of the protection device from a database module;
collecting a protection screen cabinet pressing plate image and carrying out noise reduction processing on the protection screen cabinet pressing plate image through a filtering algorithm;
obtaining the graph of each pressing plate through edge detection and graph segmentation, judging the state of each pressing plate, and transmitting the state of each pressing plate to the database module;
and acquiring the latest state of the hard pressing plate of the protection device according to the two-dimensional code of the protection device, comparing the latest state with the current state, and outputting alarm information when the latest state and the current state are inconsistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110573697.1A CN113178949A (en) | 2021-05-25 | 2021-05-25 | Checking system and method for transformer substation protection hard pressing plate state detection |
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| CN202110573697.1A CN113178949A (en) | 2021-05-25 | 2021-05-25 | Checking system and method for transformer substation protection hard pressing plate state detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117541028A (en) * | 2024-01-09 | 2024-02-09 | 国网山东省电力公司菏泽供电公司 | Management system for protecting pressing plate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808162A (en) * | 2017-09-27 | 2018-03-16 | 广东电网有限责任公司江门供电局 | A kind of transformer substation protection pressure plate state comparison method and device |
| CN109617233A (en) * | 2018-12-14 | 2019-04-12 | 朱明增 | Protect pressing plate automatic checking method of calibration |
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2021
- 2021-05-25 CN CN202110573697.1A patent/CN113178949A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808162A (en) * | 2017-09-27 | 2018-03-16 | 广东电网有限责任公司江门供电局 | A kind of transformer substation protection pressure plate state comparison method and device |
| CN109617233A (en) * | 2018-12-14 | 2019-04-12 | 朱明增 | Protect pressing plate automatic checking method of calibration |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117541028A (en) * | 2024-01-09 | 2024-02-09 | 国网山东省电力公司菏泽供电公司 | Management system for protecting pressing plate |
| CN117541028B (en) * | 2024-01-09 | 2024-04-12 | 国网山东省电力公司菏泽供电公司 | Management system for protecting pressing plate |
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Application publication date: 20210727 |