A visual laser composite monitoring method and system for isolating switch contacts
By combining visualization and laser ranging, the problem of intuitiveness and accuracy in judging the closing status of disconnecting switches is solved, and the precise quantification of the closing status is achieved, thus avoiding power safety accidents.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-04-15
- Publication Date
- 2026-06-23
AI Technical Summary
In existing technologies, the closing status of disconnecting switches relies on external mechanical indicators, which cannot intuitively and accurately determine the insertion depth of the internal contacts, leading to incomplete closing and causing power safety accidents.
A combined approach of visualization and laser ranging is adopted. By combining image recognition and laser ranging, a benchmark database is established to achieve accurate quantitative judgment of the closing position, including dual verification of visual initial judgment and laser re-verification.
It enables intuitive and accurate judgment of the closing status of disconnecting switches, avoiding power safety accidents caused by incomplete closing and improving the safety and reliability of equipment operation.
Smart Images
Figure CN122258779A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of power system monitoring technology, specifically to a visual laser composite monitoring method and system for disconnecting switch contacts. Background Technology
[0002] Application and function of existing technology: As a key component of power equipment, the disconnecting switch's main function is to form a visible break, isolate the circuit, and ensure maintenance safety. Currently, determining the open / closed status of the disconnecting switch relies heavily on indirect inference from the open / closed indicator on the external mechanism box, auxiliary switch contacts, or the rotation angle of the rotating linkage. Maintenance personnel determine whether the internal contacts are closed by observing these external mechanical indicators.
[0003] Problems and drawbacks of existing technology: This indirect judgment method poses significant safety hazards. When mechanical failures occur, such as jamming of the operating mechanism, dislodging of the connecting rod, breakage of the drive shaft, or damage to the keyway, the external mechanism indicator may show "closed in place," but the internal moving contact may not actually be inserted into the stationary contact to the specified depth, resulting in "virtual closing" or "incomplete closing." Incomplete closing leads to a sharp increase in contact resistance and a decrease in current-carrying capacity. In severe cases, it can cause contact overheating, welding, or even insulation breakdown, posing a serious threat to the safe and stable operation of the power grid.
[0004] While existing technologies utilize X-ray imaging for inspection, these methods are expensive, complex to operate, and pose radiation protection risks, making real-time online monitoring impossible. Other methods rely on analyzing motor current waveforms or vibration signals, but these are indirect inferences, easily affected by environmental and operational interference, have poor anti-interference capabilities, and cannot accurately quantify the insertion depth of the contacts. They can only determine the "closed" or "open" state, not whether the "closed state is good."
[0005] Therefore, in order to address the above problems and meet practical needs, a visual laser composite monitoring technology for disconnector contacts is proposed. Summary of the Invention
[0006] To address the shortcomings of existing technologies, this application aims to provide a visual laser composite monitoring method and system for disconnecting switch contacts. Addressing the issue that existing disconnecting switch position monitoring relies on external indicators and cannot intuitively and accurately determine the insertion depth of internal contacts, this application solves the problems of existing methods being unable to determine "closed in place" and quantify insertion depth by combining visualization with laser ranging principles. This aims to fundamentally prevent power safety accidents caused by "incomplete closing."
[0007] To achieve the above objectives, the technical solution adopted in this application is as follows: In a first aspect, this application provides a visual laser composite monitoring method for disconnector switch contacts, the method comprising the following steps: Based on the target disconnect switch, establish the corresponding baseline database; The system acquires real-time image information, real-time laser ranging information, and real-time control information of the target disconnecting switch after it completes the closing action, and analyzes and determines the closing position to obtain closing determination information. Based on the closing determination information, a closing warning result is issued; among which... The target disconnector includes a moving contact and a stationary contact; The reference database includes: opening reference distance, closing reference distance, and standard travel.
[0008] Based on the above technical solution, the step of acquiring real-time image information, real-time laser ranging information, and real-time control information of the target disconnecting switch after completing the closing action, and analyzing them to determine the closing position and obtain closing determination information, includes the following steps: The real-time image information of the target disconnect switch after it completes the closing action is obtained based on a preset image acquisition device; Based on the analysis of the real-time image information using the benchmark database, it is determined whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated.
[0009] Based on the above technical solution, the step of acquiring real-time image information, real-time laser ranging information, and real-time control information of the target disconnecting switch after completing the closing action, and analyzing them to determine the closing position and obtain closing determination information, includes the following steps: If it is determined based on the real-time image information that the moving contact of the target disconnector has entered the area of the stationary contact, then the real-time laser ranging information of the target disconnector after completing the closing action is obtained based on the preset laser ranging device. Based on the analysis of the real-time laser ranging information in the benchmark database, it is determined whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated.
[0010] Based on the above technical solution, the step of acquiring real-time image information, real-time laser ranging information, and real-time control information of the target disconnecting switch after completing the closing action, and analyzing them to determine the closing position and obtain closing determination information, includes the following steps: If, based on the real-time laser ranging information, it is determined that the moving contact of the target disconnector has entered the area of the stationary contact, then the real-time control information of the numerical control unit corresponding to the target disconnector is obtained; Based on the analysis of the real-time control information using the benchmark database, it is determined whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated. If it has entered, it is determined that the closing is in place, and corresponding closing determination information is generated.
[0011] Based on the above technical solution, the step of issuing a closing warning result based on the closing determination information includes the following steps: When it is determined that the closing is not in place, an audible and visual alarm signal is issued based on the corresponding closing determination information; When the closing is determined to be in place, the corresponding closing determination information, combined with the real-time image information and the insertion depth value corresponding to the real-time laser ranging information, are integrated, displayed, and reported.
[0012] Secondly, this application provides a visual laser composite monitoring system for disconnector switch contacts, the system comprising: The database construction module is used to set up a corresponding baseline database based on the target isolating switch; The closing determination module is used to acquire real-time image information, real-time laser ranging information and real-time control information of the target disconnecting switch after the closing action is completed, and analyze them to determine the closing position and obtain closing determination information. The closing warning module is used to issue closing warning results based on closing determination information; among which, The target disconnector includes a moving contact and a stationary contact; The reference database includes: opening reference distance, closing reference distance, and standard travel.
[0013] Based on the above technical solution, the closing determination module is also used to acquire the real-time image information of the target disconnecting switch after completing the closing action based on a preset image acquisition device; The closing determination module is also used to analyze the real-time image information based on the benchmark database to determine whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated.
[0014] Based on the above technical solution, the closing determination module is also used to collect the real-time laser ranging information of the target disconnector after it has completed the closing action if it is determined based on the real-time image information that the moving contact of the target disconnector has entered the area of the stationary contact. The closing determination module is also used to analyze the real-time laser ranging information based on the benchmark database to determine whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated.
[0015] Based on the above technical solution, the closing determination module is also used to obtain the real-time control information of the numerical control unit corresponding to the target disconnector if it is determined based on the real-time laser ranging information that the moving contact of the target disconnector has entered the area of the stationary contact. The closing determination module is also used to analyze the real-time control information based on the benchmark database, and determine whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place and corresponding closing determination information is generated. If it has entered, it is determined that the closing is in place and corresponding closing determination information is generated.
[0016] Based on the above technical solution, the closing early warning module is also used to issue an audible and visual alarm signal based on the corresponding closing judgment information when it is determined that the closing is not in place. The closing warning module is also used to determine when the closing is in place, and based on the corresponding closing determination information, combined with the real-time image information and the insertion depth value corresponding to the real-time laser ranging information, integrate and display the information and report it.
[0017] Compared with the prior art, the advantages of this application are: This application addresses the problem that existing disconnector position monitoring relies on external indicators and cannot intuitively and accurately determine the insertion depth of internal contacts. By combining visualization with laser ranging, it solves the problem that existing methods cannot determine "closed in place" and cannot quantify the insertion depth, aiming to fundamentally avoid power safety accidents caused by "incomplete closing". Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a flowchart illustrating the steps of a visual laser composite monitoring method for disconnector contacts according to an embodiment of this application. Figure 2 This is a schematic diagram illustrating the principle structure of the visual laser composite monitoring method for disconnector contacts according to an embodiment of this application. Figure 3This is a flowchart illustrating the principle of the visual laser composite monitoring method for disconnector contacts according to an embodiment of this application. Figure 4 This is a structural block diagram of a visual laser composite monitoring system for disconnector contacts, according to an embodiment of this application. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0021] The embodiments of this application will be further described in detail below with reference to the accompanying drawings.
[0022] This application provides a visual laser composite monitoring method and system for disconnecting switch contacts. Addressing the problem that existing disconnecting switch position monitoring relies on external indicators and cannot intuitively and accurately determine the insertion depth of internal contacts, this method combines visualization with laser ranging to solve the difficulties of existing methods in determining "closed in place" and quantifying insertion depth. The aim is to fundamentally prevent power safety accidents caused by "incomplete closing."
[0023] To achieve the aforementioned technical effects, the overall concept of this application is as follows: A visual laser composite monitoring method for disconnector switch contacts, the method comprising the following steps: S1. Based on the target disconnect switch, set the corresponding baseline database; S2. Obtain real-time image information, real-time laser ranging information, and real-time control information of the target disconnector after it completes the closing action, and analyze them to determine the closing position and obtain closing determination information. S3. Based on the closing determination information, issue a closing warning result; among which... The target disconnector includes a moving contact and a stationary contact; The reference database includes: opening reference distance, closing reference distance, and standard travel.
[0024] The embodiments of this application will be further described in detail below with reference to the accompanying drawings.
[0025] Firstly, see [the following] Figures 1-3 As shown in the figure, this application provides a visual laser composite monitoring method for disconnector contacts, which includes the following steps: S1. Based on the target disconnect switch, set the corresponding baseline database; S2. Obtain real-time image information, real-time laser ranging information, and real-time control information of the target disconnector after it completes the closing action, and analyze them to determine the closing position and obtain closing determination information. S3. Based on the closing determination information, issue a closing warning result; among which... The target disconnector includes a moving contact and a stationary contact; The reference database includes: opening reference distance, closing reference distance, and standard travel.
[0026] It should be noted that the technical solution of this application has the following advantages: Balancing Intuition and Precision: This application's embodiments address the shortcomings of traditional purely visual recognition, which can only determine "whether it is closed" but cannot accurately determine "how much it is closed"; it also solves the problem that purely mechanical parameter inference cannot intuitively confirm the contact status. Through the perfect combination of "visibility" and "accurate measurement," it achieves for the first time a precise quantitative judgment of whether the disconnector switch is "closed in place."
[0027] Dual verification ensures extremely high reliability: A combined judgment is made using two completely different technologies—visual macroscopic assessment and laser microscopic measurement. Only when the image shows the contact has entered the circuit, and laser ranging confirms the insertion depth meets the standard, is the circuit considered fully closed. This dual verification mechanism effectively identifies "false closing" faults where the mechanism indicates normal operation but the internal contacts are not in place, greatly improving equipment operational safety.
[0028] Highly adaptable and resistant to interference: With a spectrally adjustable light source, imaging quality can be optimized in different environments such as darkness and strong light; the laser ranging technology is less affected by strong electromagnetic interference and slight contamination on the contact surface, and the data is stable and reliable, ensuring the long-term stability of the monitoring system in complex substation environments.
[0029] Full life-cycle health management is possible: This application embodiment can not only determine the endpoint position, but also draw a stroke-time curve by continuously measuring the distance during the movement of the moving contact. This provides valuable data support for diagnosing mechanical performance decline trends such as jamming and abnormal speed, and realizes the upgrade from "condition monitoring" to "health management".
[0030] In this embodiment of the application, in view of the problem that existing disconnect switch position monitoring relies on external indicators and cannot intuitively and accurately determine the insertion depth of the internal contacts, the principle of combining visualization and laser ranging is used to solve the problem that existing methods cannot determine "closed in place" and cannot quantify the insertion depth. The aim is to fundamentally avoid power safety accidents caused by "incomplete closing".
[0031] Furthermore, the process of acquiring real-time image information, real-time laser ranging information, and real-time control information of the target disconnector after completing the closing action, and analyzing them to determine whether the closing is in place, and obtaining closing determination information, includes the following steps: The real-time image information of the target disconnect switch after it completes the closing action is obtained based on a preset image acquisition device; Based on the analysis of the real-time image information using the benchmark database, it is determined whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated.
[0032] Furthermore, the process of acquiring real-time image information, real-time laser ranging information, and real-time control information of the target disconnector after completing the closing action, and analyzing them to determine whether the closing is in place, and obtaining closing determination information, includes the following steps: If it is determined based on the real-time image information that the moving contact of the target disconnector has entered the area of the stationary contact, then the real-time laser ranging information of the target disconnector after completing the closing action is obtained based on the preset laser ranging device. Based on the analysis of the real-time laser ranging information in the benchmark database, it is determined whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated.
[0033] Furthermore, the process of acquiring real-time image information, real-time laser ranging information, and real-time control information of the target disconnector after completing the closing action, and analyzing them to determine whether the closing is in place, and obtaining closing determination information, includes the following steps: If, based on the real-time laser ranging information, it is determined that the moving contact of the target disconnector has entered the area of the stationary contact, then the real-time control information of the numerical control unit corresponding to the target disconnector is obtained; Based on the analysis of the real-time control information using the benchmark database, it is determined whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated. If it has entered, it is determined that the closing is in place, and corresponding closing determination information is generated.
[0034] Furthermore, the step of issuing a closing warning result based on the closing determination information includes the following steps: When it is determined that the closing is not in place, an audible and visual alarm signal is issued based on the corresponding closing determination information; When the closing is determined to be in place, the corresponding closing determination information, combined with the real-time image information and the insertion depth value corresponding to the real-time laser ranging information, are integrated, displayed, and reported.
[0035] The key technical point of this application's embodiments is: The dual judgment logic of "visual initial judgment + laser verification" uses image recognition as a macroscopic screening and laser ranging as a microscopic precise judgment, forming a tight logical closed loop. This is the core point of this application's embodiment.
[0036] A laser ranging-based quantitative measurement method for "insertion depth": Unlike traditional "open / closed" state judgment, this application's embodiment directly calculates the actual insertion depth (S_real) of the moving contact by measuring the distance difference between the open and closed states, and compares it with the standard stroke (S_standard), thereby achieving precise quantification of "closed in place". The definitions and calculation relationships of L_open, L_close, S_standard, and S_real in the claims are the core protection points.
[0037] Establishment and application of the benchmark database: By establishing opening / closing benchmark images and benchmark ranging values before the equipment is put into operation, an absolute and traceable reference standard is provided for subsequent online monitoring, overcoming the possibility of misjudgment caused by individual differences in different equipment.
[0038] The overall system architecture, which includes a pressure-resistant optical window, a composite detection module with a gimbal (camera + laser), an adjustable light source, and a data processing unit, is also the subject of protection in this application.
[0039] It should be noted that, based on the technical solution of the embodiments of this application, the situation is as follows: The technical solution of this application embodiment is based on a visual laser composite monitoring system for the opening and closing positions of disconnecting switch contacts, and includes the following modules: Optical observation window: Sealed and embedded in the disconnector switch housing, its position corresponds to the mating area of the moving and stationary contacts of the disconnector switch. Its function is to provide an optical path for external monitoring equipment to enter the interior while ensuring the sealing strength and insulation performance of the disconnector switch housing.
[0040] Composite detection module: Located at the withstand voltage optical observation window on the outside of the disconnector switch housing. Its function is to acquire images and distance information of the internal contacts. This module further includes: High-definition vision camera: used to acquire real-time visible light images of the contact area of the disconnector switch.
[0041] Laser rangefinder: Used to emit a laser beam and receive the reflected signal to accurately measure the distance to a specific reference point on the moving contact.
[0042] Electric adjustable gimbal: It carries the high-definition vision camera and laser rangefinder sensor, and is used to precisely adjust the shooting and ranging angles and positions according to instructions to ensure that it is aligned with the target area.
[0043] Spectrum-tunable auxiliary light source: Located next to the composite detection module. Its function is to provide multi-band illumination in different environments to enhance the imaging effect of contact feature markings and overcome the problem of darkness and lack of natural light inside the disconnecting switch.
[0044] Data processing and control unit: Connected to the high-definition vision camera, laser rangefinder, and electrically adjustable gimbal. Its function is to analyze and process image data and ranging data, execute core decision-making logic, and issue control commands to the gimbal and light source.
[0045] The technical solution of this application embodiment, in specific implementation, includes the following steps: Step A1: Establish a baseline database. Before the disconnecting switchgear is put into operation or after maintenance confirms that its mechanical condition is good and its contact resistance is qualified, operate the disconnecting switch to the fully open and fully closed states, and use the composite detection module to collect and store the baseline data under the two standard states.
[0046] The reference data includes: opening reference image and closing reference image; Opening reference distance (L_open): The distance between specific reflective surfaces of the moving and stationary contacts when the circuit is open, measured by a laser rangefinder. Closing reference distance (L_close): After the circuit is closed, the laser range sensor measures the distance between specific reflective surfaces of the moving and stationary contacts; Standard travel (S_standard): Calculated as S_standard = L_open - L_close. This value represents the precise distance the contact should move when fully closed.
[0047] Step A2: Real-time online monitoring and composite judgment. After the disconnecting switch performs a closing operation and receives a "closing complete" signal, the following monitoring process is automatically initiated: A2.1 Preliminary Visual Diagnosis: The data processing and control unit activates the high-definition vision camera and auxiliary light source to acquire real-time images of the current contact area. Image processing algorithms (such as edge detection and feature matching) are used to extract the contour of the moving contact or a pre-set color mark to determine whether the moving contact has entered the stationary contact area. If the image shows that the moving contact has not entered or the entry depth is significantly insufficient, it is directly determined as "closing incomplete" and the process proceeds to step A3.
[0048] It should be noted that in this step, preliminary visual diagnosis is carried out through existing algorithms: the data processing and control unit activates the high-definition vision camera and auxiliary light source to collect real-time images of the current contact area. Image preprocessing algorithms (including histogram equalization and filtering for noise reduction) are used to enhance the images; through image binarization and the largest connected component extraction algorithm, the area where the moving contact is located is segmented; the edge detection algorithm is used to extract the contour of the moving contact; through pre-stored template matching or coordinate comparison, it is judged whether the moving contact has entered the static contact area. If the image shows that the moving contact has not entered or the penetration depth is significantly insufficient, it is directly determined as "incomplete closing".
[0049] A2.2 Laser precise复核: If the preliminary visual diagnosis is "entered", then trigger the laser precise复核. The control unit drives the electric adjustment pan-tilt to accurately align the laser rangefinder with the ranging reference point of the moving contact pre-stored in the system. Obtain the real-time laser ranging value (L_real) in the current state.
[0050] A2.3 Depth quantization judgment: The data processing and control unit calculates the current real-time insertion depth (S_real = L_open - L_real), and compares S_real with the standard stroke (S_standard). Set an allowable error threshold (ΔS, for example, 5% of S_standard can be taken). If S_real ≥ S_standard - ΔS, it is determined as "complete closing"; if S_real < S_standard - ΔS, it is determined as "incomplete closing".
[0051] Step A3: Result output and warning. The judgment result (complete closing / incomplete closing), real-time image, and key insertion depth values are displayed and reported through the local display screen or the remote communication module. And when it is determined as not in place, an audible and visual alarm signal is immediately sent to the remote monitoring center.
[0052] It should be noted that the technical solution of the embodiment of this application proposes a key component, the withstand voltage optical observation window; This component combines sealing mechanics and optical transmission, which requires interdisciplinary knowledge. Technicians in the pure electrical field usually do not have the design thinking of this kind of optical seal. Dual requirements for accuracy and reliability: Traditional image recognition has pixel-level errors and it is difficult to accurately quantify the "insertion depth"; while pure laser ranging lacks target guidance. Combining visual guidance and laser precise measurement, through a systematic architecture of "look first, measure later, pan-tilt follow-up, and target adaptation", the problems of positioning, measurement, and anti-interference are solved simultaneously.
[0053] Based on the technical solution of the embodiment of this application, a specific implementation situation is given: Taking a disconnector switch in a 220kV GIS bay as an example, a specially designed quartz glass pressure-resistant optical observation window is installed at the location of the pre-reserved observation hole on its casing flange surface, ensuring that it can withstand SF6 gas pressure of 0.5MPa. The composite detection module is attached to the outside of the casing via a magnetic base and can be finely adjusted horizontally by ±15° and vertically by ±10° via an electric pan-tilt head.
[0054] During the commissioning phase before equipment operation, the disconnecting switch is manually closed slowly. After confirming that the contact insertion depth meets the manufacturer's standard (e.g., 40mm) and the circuit resistance is qualified, this position is recorded as the standard closed position. At this time, the laser range sensor measures the distance between the moving and stationary contacts at specific marks, and the measured distance L_close is 350.00mm. Subsequently, the disconnecting switch is operated to fully open, and the measured distance L_open is 390.00mm. The data processing unit calculates the standard stroke S_standard as 40.00mm. The error threshold ΔS is set to 2.00mm (i.e., 5%).
[0055] After a certain operation, the system received a closing signal. First, a visual diagnostic was initiated; image analysis showed that the moving contact had entered the stationary contact holder. Then, laser verification was activated. The pan-tilt unit automatically adjusted its angle, and laser ranging measured the distance between specific markers, obtaining L_real as 351.50 mm. The real-time insertion depth S_real was calculated as 390.00 - 351.50 = 38.50 mm. The judgment condition was: 38.50 mm ≥ (40.00 - 2.00) mm, i.e., 38.50 ≥ 38.00 mm, which was met. Therefore, the system determined that "closing in place" and displayed "Insertion depth: 38.5 mm, Status: Normal" on the monitoring backend.
[0056] If, after a fault, L_real is measured to be 355.00 mm, then S_real = 35.00 mm. Since 35.00 < 38.00, the system immediately determines that the circuit breaker is not fully closed, issues an alarm, and displays a real-time image for maintenance personnel to confirm.
[0057] Secondly, see Figure 4 As shown in the figure, this application provides a visual laser composite monitoring system for disconnector switch contacts, the system comprising: The database construction module is used to set up a corresponding baseline database based on the target isolating switch; The closing determination module is used to acquire real-time image information, real-time laser ranging information and real-time control information of the target disconnecting switch after the closing action is completed, and analyze them to determine the closing position and obtain closing determination information. The closing warning module is used to issue closing warning results based on closing determination information; among which, The target disconnector includes a moving contact and a stationary contact; The reference database includes: opening reference distance, closing reference distance, and standard travel.
[0058] In this embodiment of the application, in view of the problem that existing disconnect switch position monitoring relies on external indicators and cannot intuitively and accurately determine the insertion depth of the internal contacts, the principle of combining visualization and laser ranging is used to solve the problem that existing methods cannot determine "closed in place" and cannot quantify the insertion depth. The aim is to fundamentally avoid power safety accidents caused by "incomplete closing".
[0059] Furthermore, the closing determination module is also used to acquire the real-time image information of the target disconnecting switch after it completes the closing action based on a preset image acquisition device; The closing determination module is also used to analyze the real-time image information based on the benchmark database to determine whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated.
[0060] Furthermore, the closing determination module is also used to collect the real-time laser ranging information of the target disconnector after it has completed the closing action if it is determined based on the real-time image information that the moving contact of the target disconnector has entered the area of the stationary contact. The closing determination module is also used to analyze the real-time laser ranging information based on the benchmark database to determine whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated.
[0061] Furthermore, the closing determination module is also used to obtain the real-time control information of the numerical control unit corresponding to the target disconnector if it is determined based on the real-time laser ranging information that the moving contact of the target disconnector has entered the area of the stationary contact. The closing determination module is also used to analyze the real-time control information based on the benchmark database, and determine whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place and corresponding closing determination information is generated. If it has entered, it is determined that the closing is in place and corresponding closing determination information is generated.
[0062] Furthermore, the closing warning module is also used to issue an audible and visual alarm signal based on the corresponding closing judgment information when it is determined that the closing is not in place. The closing warning module is also used to determine when the closing is in place, and based on the corresponding closing determination information, combined with the real-time image information and the insertion depth value corresponding to the real-time laser ranging information, integrate and display the information and report it.
[0063] In summary, the visual laser composite monitoring system for disconnecting switch contacts provided in this application embodiment has the same technical principle as the visual laser composite monitoring method for disconnecting switch contacts provided in the first aspect in terms of technical problems, technical solutions, and technical effects, so it will not be described in detail here.
[0064] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the system or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.
[0065] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0066] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.
Claims
1. A visual laser composite monitoring method for disconnector switch contacts, characterized in that, The method includes the following steps: Based on the target disconnect switch, establish the corresponding baseline database; The system acquires real-time image information, real-time laser ranging information, and real-time control information of the target disconnecting switch after it completes the closing action, and analyzes and determines the closing position to obtain closing determination information. Based on the closing determination information, a closing warning result is issued; among which... The target disconnector includes a moving contact and a stationary contact; The reference database includes: opening reference distance, closing reference distance, and standard travel.
2. The visual laser composite monitoring method for disconnector contacts as described in claim 1, characterized in that, The process of acquiring real-time image information, real-time laser ranging information, and real-time control information of the target disconnector after completing the closing action, and analyzing them to determine whether the closing is in place, and obtaining closing determination information, includes the following steps: The real-time image information of the target disconnect switch after it completes the closing action is obtained based on a preset image acquisition device; Based on the analysis of the real-time image information using the benchmark database, it is determined whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated.
3. The visual laser composite monitoring method for disconnector contacts as described in claim 2, characterized in that, The process of acquiring real-time image information, real-time laser ranging information, and real-time control information of the target disconnector after completing the closing action, and analyzing them to determine whether the closing is in place, and obtaining closing determination information, includes the following steps: If it is determined based on the real-time image information that the moving contact of the target disconnector has entered the area of the stationary contact, then the real-time laser ranging information of the target disconnector after completing the closing action is obtained based on the preset laser ranging device. Based on the analysis of the real-time laser ranging information in the benchmark database, it is determined whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated.
4. The visual laser composite monitoring method for disconnector contacts as described in claim 3, characterized in that, The process of acquiring real-time image information, real-time laser ranging information, and real-time control information of the target disconnector after completing the closing action, and analyzing them to determine whether the closing is in place, and obtaining closing determination information, includes the following steps: If, based on the real-time laser ranging information, it is determined that the moving contact of the target disconnector has entered the area of the stationary contact, then the real-time control information of the numerical control unit corresponding to the target disconnector is obtained; Based on the analysis of the real-time control information using the benchmark database, it is determined whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated. If it has entered, it is determined that the closing is in place, and corresponding closing determination information is generated.
5. The visual laser composite monitoring method for disconnector contacts as described in claim 4, characterized in that, The process of issuing a closing warning result based on the closing determination information includes the following steps: When it is determined that the closing is not in place, an audible and visual alarm signal is issued based on the corresponding closing determination information; When the closing is determined to be in place, the corresponding closing determination information, combined with the real-time image information and the insertion depth value corresponding to the real-time laser ranging information, are integrated, displayed, and reported.
6. A visual laser composite monitoring system for disconnector switch contacts, characterized in that, The system includes: The database construction module is used to set up a corresponding baseline database based on the target isolating switch; The closing determination module is used to acquire real-time image information, real-time laser ranging information and real-time control information of the target disconnecting switch after the closing action is completed, and analyze them to determine the closing position and obtain closing determination information. The closing warning module is used to issue closing warning results based on closing determination information; among which, The target disconnector includes a moving contact and a stationary contact; The reference database includes: opening reference distance, closing reference distance, and standard travel.
7. The visual laser composite monitoring system for disconnector contacts as described in claim 6, characterized in that: The closing determination module is also used to acquire the real-time image information of the target disconnect switch after it completes the closing action based on a preset image acquisition device. The closing determination module is also used to analyze the real-time image information based on the benchmark database to determine whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated.
8. The visual laser composite monitoring system for disconnector contacts as described in claim 7, characterized in that: The closing determination module is also used to acquire the real-time laser ranging information of the target disconnector after it has completed the closing action if the moving contact of the target disconnector enters the area of the stationary contact based on the real-time image information. The closing determination module is also used to analyze the real-time laser ranging information based on the benchmark database to determine whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place, and corresponding closing determination information is generated.
9. The visual laser composite monitoring system for disconnector contacts as described in claim 8, characterized in that: The closing determination module is also used to obtain the real-time control information of the numerical control unit corresponding to the target disconnector if it is determined based on the real-time laser ranging information that the moving contact of the target disconnector has entered the area of the stationary contact. The closing determination module is also used to analyze the real-time control information based on the benchmark database, and determine whether the moving contact of the target disconnector has entered the area of the stationary contact. If it has not entered, it is determined that the closing is not in place and corresponding closing determination information is generated. If it has entered, it is determined that the closing is in place and corresponding closing determination information is generated.
10. The visual laser composite monitoring system for disconnector contacts as described in claim 9, characterized in that: The closing early warning module is also used to issue an audible and visual alarm signal based on the corresponding closing judgment information when it is determined that the closing is not in place. The closing warning module is also used to determine when the closing is in place, and based on the corresponding closing determination information, combined with the real-time image information and the insertion depth value corresponding to the real-time laser ranging information, integrate and display the information and report it.