Laser calibration method and system for ice and snow melting movable disconnecting link

By analyzing historical test data of mobile disconnect switches and combining it with laser calibration devices, the access calibration method of mobile disconnect switches was optimized, solving the problem of uneven contact impedance between mobile disconnect switches and transmission lines, and achieving more efficient identification and calibration.

CN121068166APending Publication Date: 2025-12-05STATE GRID HENAN ELECTRIC ZHOUKOU POWER SUPPLY
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Patent Information

Application Number
CN202511209939.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-27
Publication Date
2025-12-05

AI Technical Summary

Technical Problem

In existing technologies, the laser calibration method for mobile disconnect switches suffers from uneven contact impedance due to differences in horizontal calibration and the flatness of transmission lines, which affects the efficiency of identifying the access position of the mobile disconnect switch.

Method used

By analyzing historical detection data of the movable switch, the abnormal phase sequence and attention detection phase sequence of the contact impedance are determined. Combined with the laser calibration device for distance detection, the detection sequence and calibration strategy are optimized to ensure the smoothness of the contact position and the recognition efficiency.

Benefits of technology

It improves the efficiency of identifying the contact position between the mobile disconnect switch and the transmission line, as well as the contact identification efficiency of the access position, thereby enhancing the accuracy and efficiency of calibration processing.

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Abstract

The invention provides a laser calibration method and system for an ice and snow melting movable disconnecting link, and belongs to the technical field of image detection, and the method specifically comprises the steps: taking an attention detection phase sequence as a basis, carrying out the determination of a distance detection result in a power transmission line under different attention detection phase sequences through a laser calibration device, and obtaining a distance detection result; determining a matching detection position by using the distance detection result, determining the detection processing sequence of different phase sequences in different matching detection positions according to the distance detection result of the matching detection position, and determining the detection processing sequence of different phase sequences in different matching detection positions according to the detection processing sequence of the phase sequences in different matching detection positions. And in combination with deviation conditions of distance detection results of different phase sequences, an access calibration processing strategy of the movable disconnecting link is determined, so that the identification processing efficiency of the access processing position of the movable disconnecting link is improved.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of image detection, and particularly relates to a laser calibration method and system for ice and snow ablation mobile knife switch. BACKGROUND

[0002] Ice melting knife switch can be used to realize ice melting treatment of the power transmission line, but at the same time, how to realize calibration of the ice melting knife switch, the existing technical solution is often calibrated by laser calibration, specifically, the laser emitter of the calibration system is calibrated in the invention patent application CN202510462156.X "Kappa angle acquisition method, calibration method, compensation method, device, system and medium" to make the laser light path emitted by the laser emitter coincide with the optical axis of the human eye simulation device, thereby improving the reliability of the calibration, but the above technical solution has the following technical problems: When calibrating the laser, the mobile knife switch platform often needs to calibrate the level of the base, so the level of the base will affect the calibration result of the laser, and the different contact impedances of the different access positions of the power transmission line due to the difference in flatness, which makes it difficult to determine the recognition processing mode of the position of the power transmission line for the access processing of the mobile knife switch according to the data of the matching detection position meeting the requirements of the flatness, thereby improving the recognition processing efficiency.

[0003] To solve the above technical problems, the application provides a laser calibration method and system for ice and snow ablation mobile knife switch. SUMMARY

[0004] To achieve the purpose of the application, the application adopts the following technical solutions: Specifically, the application provides a laser calibration method for ice and snow ablation mobile knife switch, which specifically includes: S1, based on the historical detection data of the mobile knife switch, determining the historical abnormal data of the contact impedance of the mobile knife switch under different phase sequences, and determining that there is no impedance abnormal phase sequence, and then entering the next step; S2, based on the historical abnormal data and combined with the analysis result of the planned ice melting power of the mobile knife switch, determining the attention detection phase sequence under the planned ice melting power of different phase sequences; S3, based on the attention detection phase sequence, using the laser calibration device to determine the distance detection result in the power transmission line under different attention detection phase sequences, and using the distance detection result to determine the matching detection position, and determining the detection processing order of different phase sequences in different matching detection positions according to the distance detection result of the matching detection position; S4 determines the access calibration processing strategy of the mobile knife switch according to the detection processing sequence of the phase sequence in different matching detection positions and the deviation of the distance detection result of different phase sequences.

[0005] The present application has the following advantages: The detection processing sequence of the phase sequence in different matching detection positions is determined according to the distance detection result of the matching detection position, so that the smoothness of the contact position of the mobile knife switch and the power transmission line is realized, the detection processing sequence of the phase sequence in different matching detection positions is determined, the identification processing efficiency of the contact problem is improved, and the identification processing efficiency of the access processing position of the mobile knife switch is also improved.

[0006] The access calibration processing strategy of the mobile knife switch is determined according to the detection processing sequence of the phase sequence in different matching detection positions and the deviation of the distance detection result of different phase sequences, so that the detection processing sequence in different matching detection positions is determined to be the optimal detection sequence, and the poor flatness of the distance detection result of the priority detection phase sequence is determined. The identification processing efficiency of the access processing position of the mobile knife switch is further improved by first performing the access verification processing of the priority detection phase sequence.

[0007] Further, the historical detection data includes the operating temperature of the contact position of the mobile knife switch and the power transmission line in the historical ice melting process. Specifically, the detection result of the temperature detection device of the contact position is determined.

[0008] Further, the historical abnormal data of the contact impedance is determined according to the detection result of the operating temperature of the contact position of the mobile knife switch and the power transmission line.

[0009] Further, the method for determining the impedance abnormal phase sequence is: determining the historical detection result of the operating temperature of the contact position of the mobile knife switch and the power transmission line of the mobile knife switch under different phase sequences according to the historical abnormal data of the contact impedance; determining the temperature abnormal period of the contact position of the mobile knife switch and the power transmission line of the mobile knife switch under the phase sequence according to the historical detection result; determining whether the phase sequence is an impedance abnormal phase sequence based on the number of historical ice melting processes in the temperature abnormal period.

[0010] Further, the method for determining the access calibration processing strategy of the mobile knife switch is: determining the detection processing sequence of different phase sequences in different matching detection positions according to the detection processing sequence of the phase sequence in different matching detection positions; According to the deviation of the distance detection results of different phase sequences in different matching detection positions, the average value of the deviation between the distance detection results of different positions of different matching detection positions is determined; Based on the average value of the deviation and the detection processing sequence of different matching detection positions, the access calibration processing strategy of the mobile knife switch is determined.

[0011] In a second aspect, the present application provides a computer system, comprising a memory and a processor connected in communication, and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the computer program to perform the above-mentioned laser calibration method for ice and snow melting mobile knife switch.

[0012] Other features and advantages will be set forth in the descriptions that follow, and in part will be apparent from the description, or can be learned by practice of the application. The purposes and other advantages of the present application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

[0013] To make the above objectives, features and advantages of the present application more apparent, the following will describe a preferred embodiment in detail, with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] The above and other features and advantages of the present application will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

[0015] Figure 1 is a flowchart of a laser calibration method for ice and snow melting mobile knife switch; Figure 2 is a flowchart of a method for determining abnormal phase sequence of impedance; Figure 3 is a flowchart of a method for determining attention detection phase sequence. DETAILED DESCRIPTION

[0016] Example embodiments now will be described more fully hereinafter with reference to the accompanying drawings. Example embodiments, however, can be implemented in many different forms and should not be construed as limited to the implementations set forth herein; rather, these implementations are provided as example embodiments so that this disclosure will be thorough and complete, and will fully convey the scope thereof to those skilled in the art. Like reference numerals refer to like elements throughout the several views.

[0017] The terms "one", "a", "an", "said", and "the" are used to indicate one or more elements / components / etc.; the terms "including" and "having" are used to indicate the inclusion of one or more elements / components / etc. without excluding the presence of additional elements / components / etc.

[0018] Embodiment 1 To solve the above problems, according to one aspect of the present application, as shown in the accompanying drawings, a laser calibration method for ice and snow melting mobile knife switch is provided, which specifically comprises: Figure 1 S1, based on the historical detection data of the mobile knife switch, determine the historical abnormal data of the contact impedance of the mobile knife switch under different phase sequences, and when there is no impedance abnormal phase sequence, proceed to the next step; Further, the historical detection data includes the operating temperature of the contact position of the mobile knife switch and the power transmission line during the historical ice melting process, which is specifically determined according to the detection results of the temperature detection equipment of the contact position.

[0019] Further, the historical abnormal data of the contact impedance is determined according to the detection results of the operating temperature of the contact position of the mobile knife switch and the power transmission line.

[0020] Specifically, as shown in the accompanying drawings, the method for determining the impedance abnormal phase sequence is: Figure 2 S2, based on the historical abnormal data of the contact impedance, determine the historical detection results of the operating temperature of the contact position of the mobile knife switch and the power transmission line under different phase sequences of the mobile knife switch; S3, according to the historical detection results, determine the temperature abnormal period of the contact position of the mobile knife switch and the power transmission line under the phase sequence of the mobile knife switch; S4, based on the number of historical ice melting processes in the temperature abnormal period, determine whether the phase sequence is an impedance abnormal phase sequence. It can be understood that the temperature abnormal period is a period in which the number of time points at which the operating temperature is not within the preset temperature interval is large, and the preset temperature interval is determined according to the preset normal temperature operating range of the contact position of the mobile knife switch and the power transmission line. In one possible embodiment, the preset temperature interval is less than 95 degrees Celsius, and when the proportion of the number of temperature detection time points at which the operating temperature is not within the preset temperature interval in the time period is greater than 0.5, the period is determined to be a temperature abnormal period, and the division unit of the period is 15 minutes to 30 minutes.

[0021] Specifically, when the number of historical ice melting processes in the temperature abnormal period is greater than the preset ice melting process threshold, the phase sequence is determined to be an impedance abnormal phase sequence. In one possible embodiment, when there is a temperature abnormal period in each of the last five historical ice melting processes, the phase sequence is determined to be an impedance abnormal phase sequence.

[0022]

[0023] ​​It should be noted that when there is an impedance abnormal phase sequence, the matching detection position is first determined by using the detection result of the laser equipment, and when the temperature detection result of the impedance abnormal phase sequence is normal, the detection process of the impedance detection result of the position of the other phase sequence of the matching detection position is performed after the maximum value of the power planned for ice melting treatment is used to run for a preset time length, and when the impedance detection result is normal, the access position of the moving knife switch is obtained.

[0024] Optionally, the method for determining the impedance abnormal phase sequence is: determining the historical detection result of the operating temperature of the contact position of the moving knife switch and the power transmission line under different phase sequences of the moving knife switch based on the historical abnormal data of the contact impedance; determining the temperature abnormal period of the contact position of the moving knife switch and the power transmission line under the phase sequence based on the historical detection result; determining whether the phase sequence is an impedance abnormal phase sequence based on the number of the temperature abnormal period.

[0025] It can be understood that when the number of the temperature abnormal period does not meet the requirement, the phase sequence is determined as an impedance abnormal phase sequence.

[0026] S2 determines the attention detection phase sequence under the planned ice melting power of the moving knife switch based on the historical abnormal data and in combination with the analysis result of the planned ice melting power of the moving knife switch. It should be noted that the planned ice melting power is determined according to the power range of the moving knife switch planned for ice melting treatment.

[0027] Specifically, as shown in Figure 3 the method for determining the attention detection phase sequence is: determining the temperature abnormal period of the moving knife switch under different phase sequences in the historical ice melting treatment within the power range of the moving knife switch planned for ice melting treatment based on the historical abnormal data; determining whether the phase sequence is an attention detection phase sequence based on the temperature abnormal period.

[0028] It can be understood that the phase sequence with the temperature abnormal period is the attention detection phase sequence.

[0029] It can be understood that, when there is no attention detection phase sequence, as long as the matching detection position is determined by the detection result of the laser device, when the impedance detection results of the access positions of different phase sequences in the matching detection position all meet the requirements, it is regarded as an access position. It can be understood that whether there is an anomaly and whether it meets the requirements are determined according to the rated range of the contact impedance of the moving knife switch and the power transmission line. The rated access impedance range of the moving knife switch is determined before it is shipped. In one possible embodiment, it needs to be less than 100 μΩ.

[0030] Optionally, the method for determining the attention detection phase sequence is: S21 determines the temperature abnormal period of the moving knife switch of different phase sequences in the historical ice melting treatment process within the planned ice melting treatment power range of the moving knife switch according to the historical abnormal data, and regards it as a matching abnormal period. The number of historical ice melting treatments with the matching abnormal period is obtained. The ice melting power matching amount of different historical ice melting treatments is determined by the deviation of the number of historical ice melting treatments from the planned ice melting treatment power range of the moving knife switch. Optionally, in the above step, if the number of temperature abnormal periods of the moving knife switch of the phase sequence in the historical ice melting treatment process does not meet the requirements, that is, it is greater than the threshold, it is determined that the phase sequence is the attention detection phase sequence. In addition, it needs to be noted that, in the above step, if the number of matching abnormal periods of the moving knife switch of the phase sequence in the historical ice melting treatment process meets the requirements, at this time, it is also necessary to determine the number of historical ice melting treatments with the matching abnormal period. Specifically, if the number of historical ice melting treatments with the matching abnormal period within the planned ice melting treatment power range of the moving knife switch is large, that is, it is greater than the threshold, it is determined that the phase sequence is the attention detection phase sequence. Further, if the number of historical ice melting treatments with the matching abnormal period within the planned ice melting treatment power range of the moving knife switch is not large, at this time, the ice melting power matching amount is determined according to the proportion of the length of time when the ice melting treatment power of the historical ice melting number falls within the planned ice melting treatment power range of the moving knife switch.

[0031] It can be understood that, if the proportion of the number of historical ice melting treatments with the matching abnormal period in the number of historical ice melting treatments with the ice melting power matching amount greater than the preset matching amount threshold meets the requirements, that is, it is greater than the preset proportion threshold, it is determined that the phase sequence is the attention detection phase sequence. Otherwise, it goes to the next step.

[0032] S22 determines the number of matching abnormal periods in different historical ice melting treatments based on the distribution data of the matching abnormal period. Specifically, if the number of matching abnormal time periods does not meet the required historical de-icing treatment times in the above step, i.e., the number of matching abnormal time periods is large, the phase sequence is determined as the attention detection phase sequence; Further, when the number of matching abnormal time periods does not meet the required historical de-icing treatment times, the de-icing power matching amount is also used as a weight value. When the product of the weight value and the number of temperature abnormal time periods does not meet the required historical de-icing treatment times, i.e., the historical de-icing treatment times are greater than the preset time period weight threshold, the phase sequence is determined as the attention detection phase sequence.

[0033] In addition, it can be understood that when the product of the weight value and the number of temperature abnormal time periods does not meet the required historical de-icing treatment times, i.e., the historical de-icing treatment times of the temperature abnormal time period are less than the preset de-icing treatment times threshold, the phase sequence is determined as the attention detection phase sequence.

[0034] Further, when the historical de-icing treatment times of the temperature abnormal time period are not less than the preset de-icing treatment times threshold, the next step is entered.

[0035] S23 determines whether the phase sequence is the attention detection phase sequence by the number of temperature abnormal time periods and the de-icing power matching amount in different historical de-icing treatment times.

[0036] In one possible embodiment, the product of the number of temperature abnormal time periods and the de-icing power matching amount in different historical de-icing treatment times is used to determine the abnormal value of different historical de-icing treatment times. When the abnormal value of the historical de-icing treatment times is greater than the preset abnormal threshold, i.e., greater than the threshold, the phase sequence is determined as the attention detection phase sequence.

[0037] S3 uses the laser calibration device to determine the distance detection result in the power transmission line under different attention detection phase sequences, and determines the matching detection position using the distance detection result. The detection processing order of different phase sequences in different matching detection positions is determined according to the distance detection result of the matching detection position. Further, the method for determining the matching detection position is: The detection region in which the deviation amount between the distance detection results of different positions in the contact area range of the moving knife switch meets the requirement is used as the matching detection position.

[0038] It can be understood that the power transmission line is divided into different regions by the contact area of the moving knife switch. Due to the influence of the mechanical structure on the moving knife switch of different phase sequences, there are corresponding regions in the B-phase sequence and the C-phase sequence on the basis of the region determined for the A-phase sequence. When the deviation amounts between the distance detection results of different positions in the contact area in the A-phase sequence and the B-phase sequence and the C-phase sequence corresponding to the A-phase sequence all meet the requirements, that is, all are less than the preset deviation amount threshold, in a possible embodiment, less than 2 mm, at this time, the flatness of the power transmission line in the contact area is relatively high, and the probability of poor contact, that is, the probability of large contact impedance, is small, and therefore, the A-phase sequence and the B-phase sequence and the C-phase sequence corresponding to the A-phase sequence are taken as the matching detection positions.

[0039] Further, the method for determining the detection processing sequence is: determining the average value of the deviation amounts between the distance detection results of different positions according to the deviation amounts between the distance detection results of different positions in different phase sequences of the matching detection positions; determining the detection processing sequence of different phase sequences based on the average value of the deviation amounts from large to small.

[0040] It can be understood that the detection processing sequence of different phase sequences is determined based on the average value of the deviation amounts from large to small, and specifically includes: taking the average value of the deviation amounts from large to small as the detection processing sequence, first detecting the phase sequence with the largest average value of the deviation amounts, and then sequentially detecting different phase sequences from large to small.

[0041] S4 determines the access calibration processing strategy of the mobile blade according to the detection processing sequence of the phase sequences in different matching detection positions and the deviation conditions of the distance detection results of different phase sequences.

[0042] Further, the method for determining the access calibration processing strategy of the mobile blade is: determining the detection processing sequence of different phase sequences in different matching detection positions according to the detection processing sequence of the phase sequences in different matching detection positions; determining the average value of the deviation amounts between the distance detection results of different positions in different matching detection positions according to the deviation conditions of the distance detection results of different phase sequences in different matching detection positions; determining the access calibration processing strategy of the mobile blade based on the average value of the deviation amounts and the detection processing sequence in different matching detection positions.

[0043] Optionally, in the above step, if the number of matching detection positions is small, i.e. less than the preset matching detection position number threshold, in a possible embodiment, less than 5, then in the calibration processing strategy of different matching detection positions, the mobile knife switch is connected with different phase sequences of the matching detection positions at the same time, after running for a preset time according to the maximum value of the planned power for ice melting treatment, the operating temperature of the contact position of the mobile knife switch in the power transmission line is determined, and the position of the power transmission line for the mobile knife switch access is determined based on the operating temperature, i.e. the matching detection position with the minimum average value of operating temperatures in different phase sequences is used as the position of the power transmission line for the mobile knife switch access, wherein the matching detection position with the minimum average value of operating temperatures in different phase sequences must ensure that the operating temperatures in different phase sequences meet the requirements, which can be understood as less than 95 degrees Celsius, and in a possible embodiment, the preset time is 10 minutes.

[0044] In addition, it should be noted that in the above step, if the number of matching detection positions is not small, i.e. not less than 5, if the average deviation between the distance detection results of the different positions of the matching detection positions in different phase sequences, i.e. there is no phase sequence with an average deviation between the distance detection results in different dimensions greater than 1mm, then the matching detection position is used as the priority detection position, and in the priority detection position, the position of the power transmission line for the mobile knife switch access is determined based on the operating temperature, i.e. the matching detection position with the minimum average value of operating temperatures in different phase sequences is used as the position of the power transmission line for the mobile knife switch access, wherein the matching detection position with the minimum average value of operating temperatures in different phase sequences must ensure that the operating temperatures in different phase sequences meet the requirements, which can be understood as less than 95 degrees Celsius, and in a possible embodiment, the preset time is 10 minutes.

[0045] If the position of the power transmission line for the moving blade switch access cannot be found in the priority detection position, the matching detection position except the priority detection position is further taken as the residual detection position. The detection phase sequence is determined based on the number of the residual detection positions in different residual detection positions belonging to the fastest detection processing sequence. The access calibration processing strategy of the moving blade switch in the detection phase sequence in different residual detection positions is determined according to the average value of the deviation amount of the detection phase sequence in different residual detection positions. When the contact impedance between the moving blade switch and the power transmission line in the detection phase sequence is less than 1mm, the access calibration processing strategy of the moving blade switch in the detection phase sequence in the residual detection position is determined by measuring the contact impedance. When the contact impedance is not less than 1mm, the moving blade switch is simultaneously accessed in different phase sequences of the matching detection position. After the maximum value of the power planned for the ice melting treatment is operated for a preset time length, the operating temperature of the contact position between the moving blade switch and the power transmission line is determined. The operating temperature is used to determine the access calibration processing strategy of the moving blade switch in the detection phase sequence in the residual detection position. The residual detection positions satisfying the requirements of the operating temperature and the contact impedance are screened. The residual detection positions satisfying the requirements of the operating temperature and the contact impedance are detected in other phase sequences except the detection phase sequence by using the operating temperature until the operating temperatures of different phase sequences of the residual detection positions satisfying the requirements are obtained.

[0046] Optionally, the method for determining the access calibration processing strategy of the moving blade switch comprises the following steps: obtaining the number of the matching detection positions and the average value of the deviation amount between the distance detection results of different positions of different matching detection positions; It can be understood that, in the above step, if the number of the matching detection positions is small, i.e. less than a preset matching detection position number threshold, in a possible embodiment, less than 5, the calibration processing strategy of different matching detection positions is that the moving blade switch is simultaneously accessed in different phase sequences of the matching detection position. After the maximum value of the power planned for the ice melting treatment is operated for a preset time length, the operating temperature of the contact position between the moving blade switch and the power transmission line is determined. The position of the power transmission line for the moving blade switch access is determined based on the operating temperature, i.e. the matching detection position with the minimum average value of the operating temperature in different phase sequences is taken as the position of the power transmission line for the moving blade switch access. It can be understood that the matching detection position with the minimum average value of the operating temperature in different phase sequences must ensure that the operating temperatures in different phase sequences satisfy the requirements, i.e. less than 95 degrees Celsius. In a possible embodiment, the value of the preset time length is 10 minutes.

[0047] Further, even if the number of matching detection positions is not small, the average deviation between the distance detection results of the matching detection positions in different phase sequences is determined, that is, the matching detection positions whose average deviation between the distance detection results in different dimensions is greater than 1 mm are taken as the priority detection positions, when the number of priority detection positions meets the requirement, that is, greater than 0.7, the position of the power transmission line for moving the knife switch access based on the running temperature is determined in the priority detection positions first, that is, the matching detection position with the minimum average running temperature in different phase sequences is taken as the position of the power transmission line for moving the knife switch access, wherein the matching detection position with the minimum average running temperature in different phase sequences must ensure that the running temperature in different phase sequences meets the requirement, that is, less than 95 degrees Celsius, in one possible embodiment, the preset time length is 10 minutes, and when there is no position of the power transmission line for moving the knife switch access, other matching detection positions are also used to determine the position of the power transmission line for moving the knife switch access based on the running temperature.

[0048] In addition, it can be understood that when the number of priority detection positions does not meet the requirement, the next step is entered.

[0049] The detection processing sequence of different phase sequences in different matching detection positions is determined. The matching detection positions except the priority detection position are further removed as the residual detection positions, and the priority phase sequence is determined based on the number of the residual detection positions belonging to the fastest detection processing sequence in different residual detection positions. When the number of the residual detection positions belonging to the fastest detection processing sequence between the priority phase sequence and other phase sequences is greater than a preset deviation threshold, the priority phase sequence is determined as the detection phase sequence. The access calibration processing strategy of the moving knife switch in the detection phase sequence in different residual detection positions is determined based on the average value of the deviation of the detection phase sequence in different residual detection positions. When the deviation is less than 1 mm, the access calibration processing strategy of the moving knife switch in the detection phase sequence in the residual detection position is determined by measuring the contact impedance of the moving knife switch and the power transmission line in the detection phase sequence. When the deviation is not less than 1 mm, the access calibration processing strategy of the moving knife switch in the detection phase sequence in the residual detection position is determined by simultaneously connecting the moving knife switch and the different phase sequences of the matching detection position, and then determining the operating temperature of the contact position between the moving knife switch and the power transmission line after the maximum value of the power planned for ice melting treatment is operated for a preset time length. The operating temperature of the moving knife switch in the detection phase sequence in the residual detection position is determined by using the operating temperature. The residual detection positions satisfying the requirements of the operating temperature and the contact impedance are screened out, and the detection processing of the other phase sequences except the detection phase sequence in the residual detection positions satisfying the requirements of the operating temperature and the contact impedance is performed by using the operating temperature until the residual detection positions satisfying the requirements of the operating temperature of different phase sequences are obtained.

[0050] The access calibration processing strategy of the moving knife switch is determined based on the average value of the deviation and the detection processing sequence in different matching detection positions.

[0051] In one possible embodiment, when the number of the residual detection positions belonging to the fastest detection processing sequence between the priority phase sequence and other phase sequences is greater than a preset deviation threshold, the identification confidence coefficients of different residual detection positions belonging to the fastest detection processing sequence are determined based on the average value of the deviation of different residual detection positions belonging to the fastest detection processing sequence, and the detection phase sequence is determined based on the maximum sum of the identification confidence coefficients of different residual detection positions belonging to the fastest detection processing sequence.

[0052] Embodiment 2 In a second aspect, the present application provides a computer system, which comprises a memory and a processor connected in communication, and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the computer program to perform the above-mentioned laser calibration method for a moving knife switch for ice and snow melting.

[0053] The various embodiments in this specification describe the application in progressive stages. Each stage builds upon the previous stages, and each stage can be described in terms of the differences between that stage and the previous stage. For example, the device, apparatus, and non-transitory computer storage medium embodiments are described more quickly because they are substantially similar to the method embodiments. The relevant portions of the method embodiments are referenced.

[0054] The above description describes certain embodiments of the application. Other embodiments are within the scope of the following claims. In some cases, the actions recited in the claims can be performed in a different order and still achieve desirable results. Additionally, the processes depicted in the figures do not necessarily require the particular order shown or sequential order to achieve desirable results. In certain implementations, multitasking and parallel processing can be advantageous or required.

[0055] The above description only describes one or more embodiments of the application and is not meant to limit the application. One or more embodiments of the application can be modified and varied in various ways, and any such modifications or variations should be considered within the scope of the application. Any modifications, substitutions, improvements, and the like that are within the spirit and scope of one or more embodiments of the application should be included within the scope of the claims.

Claims

1. A laser calibration method for an ice and snow melting mobile switch, characterized by, Specifically comprising: Based on historical detection data of the mobile knife switch, historical abnormal data of contact impedance of the mobile knife switch under different phase sequences is determined, and when there is no impedance abnormal phase sequence, the next step is entered; Based on the historical abnormal data and combined with analysis results of planned ice-melting power of the mobile knife switch, attention detection phase sequences under the planned ice-melting power are determined; Based on the attention detection phase sequences, distance detection results in the power transmission line under different attention detection phase sequences are determined by using a laser calibration device, and matching detection positions are determined by using the distance detection results, and detection processing sequences of different phase sequences in different matching detection positions are determined according to distance detection results of the matching detection positions; According to the detection processing sequences of the phase sequences in the different matching detection positions and combined with deviation conditions of the distance detection results of the different phase sequences, an access calibration processing strategy of the mobile knife switch is determined.

2. The laser calibration method for ice and snow melting mobile switch according to claim 1, characterized in that, The historical detection data includes operating temperatures of contact positions of the mobile knife switch and the power transmission line in historical ice-melting processing.

3. The laser calibration method for ice and snow melting mobile switch according to claim 1, characterized in that, The historical abnormal data of the contact impedance is determined according to detection results of the operating temperatures of the contact positions of the mobile knife switch and the power transmission line.

4. The method for calibrating the laser for snow and ice melting mobile switch according to claim 1, wherein, The method for determining the impedance abnormal phase sequence is: Based on the historical abnormal data of the contact impedance, historical detection results of operating temperatures of contact positions of the mobile knife switch and the power transmission line under different phase sequences of the mobile knife switch are determined; According to the historical detection results, temperature abnormal time periods of the contact positions of the mobile knife switch under the phase sequences are determined; Based on historical ice-melting processing times of the temperature abnormal time periods, whether the phase sequence is an impedance abnormal phase sequence is determined.

5. The laser calibration method for ice and snow melting mobile switch according to claim 4, characterized in that, When the historical ice-melting processing times of the temperature abnormal time periods are greater than a preset ice-melting processing time threshold, the phase sequence is determined to be an impedance abnormal phase sequence.

6. The method for calibrating the laser for snow and ice melting mobile gate according to claim 1, wherein, The planned ice-melting power is determined according to a power range planned for ice-melting processing of the mobile knife switch.

7. The method for calibrating the laser for snow and ice melting mobile gate according to claim 1, wherein, The method for determining the matching detection positions is: A detection region in which deviation amounts between distance detection results of different positions in a contact area range of the mobile knife switch all meet requirements is taken as a matching detection position.

8. The method for calibrating the laser for snow and ice melting mobile gate according to claim 1, wherein, The method for determining the access calibration processing strategy of the mobile knife switch is: Based on the detection processing sequences of the phase sequences in the different matching detection positions, detection processing sequences of different phase sequences in different matching detection positions are determined; According to deviation conditions of distance detection results of different phase sequences in different matching detection positions, average values of deviation amounts between distance detection results of different positions in the different matching detection positions are determined; Based on the average values of the deviation amounts and the detection processing sequences in the different matching detection positions, the access calibration processing strategy of the mobile knife switch is determined.

9. The laser calibration method for ice and snow melting mobile switch according to claim 8, characterized in that, If the number of matched detection positions is less than the preset threshold of the number of matched detection positions, the calibration processing strategy of different matched detection positions is that the mobile knife switch is connected with different phase sequences of the matched detection positions at the same time, and after a preset time length is run according to the maximum value of the planned power for ice melting treatment, the running temperature of the contact position of the mobile knife switch in the power transmission line is determined, and the position of the power transmission line for the mobile knife switch is determined based on the running temperature.

10. A computer system comprising: The memory and the processor connected in communication, and the computer program stored on the memory and capable of running on the processor, characterized in that the processor executes the computer program to perform the laser calibration method for the ice and snow melting mobile knife switch according to any one of claims 1-9.

Citation Information

Patent Citations

  • Kappa Angle Acquisition Method, Calibration Method, Compensation Method, Device, System and Medium

    CN119984099B