Power distribution cabinet operation and maintenance method and system in humid environment, terminal and medium

Abstract

The invention relates to a power distribution cabinet operation and maintenance method and system in a humid environment, a terminal and a medium, and relates to the technical field of power distribution cabinet operation and maintenance. The power distribution cabinets are screened according to the corrosion characteristics, a first power distribution cabinet is obtained, and the corrosion characteristics of the first power distribution cabinet are inferior to preset corrosion characteristics; acquiring the position distribution condition of the first power distribution cabinet; a first target power distribution cabinet in the first power distribution cabinet is taken, a first air port and a second air port of the first target power distribution cabinet are obtained, and the first air port and the second air port are located at different positions; determining an air inlet from the first air port and the second air port according to the position distribution condition; and adjusting a ventilation scheme of the first target power distribution cabinet according to the corrosion characteristics and the air inlet. The power distribution cabinet has an effect of facilitating operation and maintenance of the power distribution cabinet in a humid environment.

Description

Technical Field

[0001] The present application relates to the technical field of power distribution cabinet operation and maintenance, and in particular to a method, system, terminal and medium for operating and maintaining a power distribution cabinet in a humid environment. Background Art

[0002] The distribution cabinet is a key equipment in the power system for distributing, controlling and protecting electric energy. Its operation and maintenance is directly related to the safe and stable operation of the power system.

[0003] Related technologies require the installation of various sensors in the power distribution cabinet, such as temperature sensors, voltage sensors, and current sensors. After obtaining readings from these sensors, they are compared with preset thresholds. If the reading is greater than the threshold, it is assumed that there is a problem within the distribution cabinet and maintenance is required. If the reading is less than the threshold, it is assumed that there is no problem within the distribution cabinet and maintenance is not required.

[0004] Regarding the above-mentioned related technologies, in a humid environment, the impact of moisture on the distribution cabinet is continuous and slow. This impact is difficult to obtain directly through sensor readings. By the time the problem is discovered, the distribution cabinet itself may have already had major problems, resulting in difficulties in operation and maintenance. Summary of the Invention

[0005] In order to facilitate the operation and maintenance of a distribution cabinet in a humid environment, the present application provides a method, system, terminal and medium for operation and maintenance of a distribution cabinet in a humid environment.

[0006] In a first aspect, the present application provides a method for operating and maintaining a power distribution cabinet in a humid environment, which adopts the following technical solutions: A method for operating and maintaining a power distribution cabinet in a humid environment, comprising: Obtain the corrosion characteristics of each distribution cabinet in the distribution cabinet cluster; Screening the power distribution cabinets according to the corrosion characteristics to obtain a first power distribution cabinet, wherein the corrosion characteristics of the first power distribution cabinet are worse than the preset corrosion characteristics; Obtaining the location distribution of the first power distribution cabinet; Take a first target power distribution cabinet from the first power distribution cabinets, and obtain a first gas port and a second gas port of the first target power distribution cabinet, where the first gas port and the second gas port are located at different positions; determining an air inlet port from the first air port and the second air port according to the position distribution; Adjust the ventilation scheme of the first target power distribution cabinet according to the corrosion characteristics and the air inlet.

[0007] By employing this technical solution, the corrosion characteristics of a distribution cabinet cluster are acquired, accurately selecting the first distribution cabinet with corrosion characteristics inferior to the preset ones. Based on the location distribution of the first distribution cabinets, the air inlet is dynamically determined from the first and second air inlets of the first target distribution cabinet. Finally, the ventilation plan is adjusted based on the corrosion characteristics and the air inlet. This method enables targeted maintenance of distribution cabinets with high corrosion risk. By optimizing the air inlet path and ventilation strategy, it effectively mitigates the corrosion of corrosive gases in humid environments on distribution cabinet components, thereby extending equipment life.

[0008] Optionally, take the second power distribution cabinet in the power distribution cabinet cluster; Acquire an image of components in the second power distribution cabinet; Acquire a current component state of a target component and a component position distribution of the target component from the component image; Calculating the similarity between the current component state and the standard component state to obtain the component single corrosion grade; Obtaining spatial corrosion characteristics according to the corrosion level of the component and the position distribution of the component; Acquire ambient gas data of the second power distribution cabinet; Extracting a concentration curve of the target gas from the ambient gas data, wherein the concentration curve is used to represent a change in the concentration of the target gas over time; Obtaining a time corrosion characteristic according to the concentration curve; The spatial corrosion characteristics and the temporal corrosion characteristics are integrated to obtain the corrosion characteristics of the second distribution cabinet.

[0009] By adopting the above technical solution, the component image of the second distribution cabinet is obtained, the current component status and component position distribution of the target component are extracted, and the similarity with the standard component status is calculated to obtain the component single corrosion level, and the spatial corrosion characteristics are generated in combination with the position distribution; at the same time, the target gas concentration curve in the ambient gas data is extracted, and the change pattern of concentration over time is analyzed to obtain the temporal corrosion characteristics; the two-dimensional corrosion characteristics of space and time are integrated to comprehensively characterize the comprehensive corrosion status of the distribution cabinet under structural distribution and dynamic exposure environment, providing an accurate basis for subsequent operation and maintenance decisions.

[0010] Optionally, generating a two-dimensional plan view of the second power distribution cabinet; Marking the target component in the two-dimensional plane diagram according to the component position distribution; Marking the corrosion level of the component unit in the two-dimensional plane diagram according to the position of the target component in the two-dimensional plane diagram; generating a contour map within the two-dimensional plane map according to the corrosion level of the component monomer; The spatial corrosion characteristics are obtained according to the contour map.

[0011] By employing this technical solution, a two-dimensional plan view of the second power distribution cabinet was generated. The target components were annotated according to their location and associated with the corrosion levels of the individual components. A contour map was generated based on the corrosion level data to visually quantify the spatial gradient distribution of the corrosion degree. This method transforms discrete component corrosion states into continuous spatial corrosion signatures, accurately revealing localized corrosion hotspots and diffusion trends within the cabinet, improving the accuracy and operability of spatial corrosion signature characterization.

[0012] Optionally, according to the concentration curve, a first time period and a second time period are classified, the concentration in the first time period is greater than a preset concentration, and the concentration in the second time period is less than the preset concentration; intercepting a first concentration curve from the concentration curve according to the first time period; performing an integration operation on the first concentration curve to obtain a first time corrosion characteristic; Calculating the product of the total duration of the second time period and a preset coefficient to obtain a second time corrosion characteristic; The first time corrosion feature and the second time corrosion feature are integrated to obtain the time corrosion feature.

[0013] By adopting the above technical solution, according to the target gas concentration curve, a high-concentration first time period and a low-concentration second time period are divided with a preset concentration as the threshold; the first concentration curve of the first time period is integrated to quantify the cumulative exposure to high-concentration gas, thereby obtaining the first time corrosion characteristic; the product of the second time period length and the preset coefficient is calculated to obtain the second time corrosion characteristic; the two are integrated to obtain the time corrosion characteristic, which accurately reflects the dynamic corrosion effect of gas concentration fluctuations on the equipment and avoids the limitations of single mean analysis.

[0014] Optionally, the spatial corrosion feature and the temporal corrosion feature of the first target power distribution cabinet are generated according to the corrosion feature; extracting adjacent elements according to the spatial corrosion characteristics and the position of the air inlet, wherein the distance between the adjacent elements and the air inlet is less than a preset distance threshold; Setting the air intake direction of the first target power distribution cabinet according to the relative position of the adjacent element and the air intake; setting an air intake rate according to the time corrosion characteristics; The ventilation plan is formed according to the air intake direction and the air intake rate.

[0015] By adopting the above technical solution, based on the spatial corrosion characteristics and air inlet position of the first target distribution cabinet, adjacent components with a distance less than a preset distance threshold are extracted; the air intake direction is set according to the relative position of the adjacent components and the air inlet to avoid direct air intake into high-corrosion areas; at the same time, the air intake rate is dynamically set according to the temporal corrosion characteristics to adapt to the ventilation requirements under different gas concentrations; and finally a directional and quantitative ventilation plan is formed to achieve efficient discharge of corrosive gases and precise introduction of clean air, thereby maximizing the anti-corrosion effect.

[0016] Optionally, performing a clustering operation according to the positions of the adjacent elements to obtain a plurality of clusters; determining whether the cluster covers the candidate intake directions of the air intake port; If yes, obtaining the corrosion level of each adjacent element in the cluster and the adjacent distance from the adjacent element to the air inlet; Obtaining a corrosion score of the cluster according to the corrosion grade and the adjacent distance; Taking the candidate intake direction corresponding to the minimum value of the corrosion score to obtain the intake direction; If not, the intake direction is selected from the candidate intake directions, and the cluster is not formed on the intake direction.

[0017] By employing this technical solution, adjacent components are grouped into clusters through a clustering operation. The clusters are then used to determine whether they cover candidate air intake directions. If so, a weighted corrosion score is calculated, combining the corrosion level and distance of adjacent components within each cluster. The direction with the lowest score is selected as the air intake direction, proactively avoiding high-corrosion risk areas. If not, a candidate air intake direction without component obstruction is directly selected. This method intelligently optimizes the air intake path based on the spatial corrosion distribution, significantly reducing the impact of corrosive gases on sensitive components.

[0018] Optionally, get the current moment; Obtaining a target gas concentration according to the time corrosion characteristics and the current moment; According to the target gas concentration, a candidate intake rate is retrieved from a preset rate mapping table, wherein the rate mapping table is used to store a mapping relationship between the target gas concentration and the intake rate; Determining whether the candidate intake air rate is greater than a preset intake air rate threshold; If so, setting the candidate intake rate to the intake rate; If not, the intake speed threshold is set to the intake speed.

[0019] By employing this technical solution, the real-time target gas concentration is matched to the current moment's temporal corrosion signature. A corresponding candidate intake rate is retrieved based on a preset rate mapping table. The candidate intake rate is then determined to be greater than a preset intake rate threshold. If it meets the threshold, the target is directly adopted to ensure ventilation efficiency. If it does not, the target is switched to the threshold rate to maintain basic ventilation requirements. This method achieves dynamic air volume control that adapts to gas concentration, avoiding excessive energy consumption while ensuring redundant safety protection for equipment in extreme environments.

[0020] In a second aspect, the present application provides a distribution cabinet operation and maintenance system in a humid environment, which adopts the following technical solutions: A power distribution cabinet operation and maintenance system in a humid environment, comprising: An acquisition module, configured to acquire corrosion characteristics, a first gas port, and a second gas port; A memory, used to store a program for the power distribution cabinet operation and maintenance method in a humid environment; The processor and the program in the memory can be loaded and executed by the processor to implement the distribution cabinet operation and maintenance method in the humid environment.

[0021] By employing this technical solution, the corrosion characteristics of a distribution cabinet cluster are acquired, accurately selecting the first distribution cabinet with corrosion characteristics inferior to the preset ones. Based on the location distribution of the first distribution cabinets, the air inlet is dynamically determined from the first and second air inlets of the first target distribution cabinet. Finally, the ventilation plan is adjusted based on the corrosion characteristics and the air inlet. This method enables targeted maintenance of distribution cabinets with high corrosion risk. By optimizing the air inlet path and ventilation strategy, it effectively mitigates the corrosion of corrosive gases in humid environments on distribution cabinet components, thereby extending equipment life.

[0022] In a third aspect, the present application provides a smart terminal that adopts the following technical solution: An intelligent terminal includes a memory and a processor, wherein the memory stores a computer program that can be loaded by the processor and execute any one of the methods described above.

[0023] In a fourth aspect, the present application provides a computer storage medium capable of storing corresponding programs, which has the characteristics of facilitating the operation and maintenance of distribution cabinets in humid environments, and adopts the following technical solutions: A computer-readable storage medium stores a computer program that can be loaded by a processor and execute any of the above-mentioned methods for operating and maintaining a power distribution cabinet in a humid environment.

[0024] In summary, this application includes at least one of the following beneficial technical effects: By obtaining the corrosion characteristics of the distribution cabinet cluster, the first distribution cabinet with corrosion characteristics worse than the preset corrosion characteristics is accurately screened. Based on the location distribution of the first distribution cabinet, the air inlet is dynamically determined from the first and second air inlets of the first target distribution cabinet. Finally, the ventilation plan is adjusted based on the corrosion characteristics and the air inlet. This method achieves targeted operation and maintenance of distribution cabinets with high corrosion risk. By optimizing the air inlet path and ventilation strategy, it effectively reduces the corrosion of corrosive gases in humid environments on the internal components of the distribution cabinet, thereby extending the equipment life. By acquiring component images of the second distribution cabinet, the current component status and component location distribution of the target component are extracted, and the similarity with the standard component status is calculated to obtain the component's single corrosion level. Combined with the location distribution, a spatial corrosion signature is generated. Simultaneously, the target gas concentration curve is extracted from the ambient gas data, and the temporal variation of concentration is analyzed to obtain a temporal corrosion signature. By integrating the spatial and temporal corrosion signatures, the comprehensive corrosion status of the distribution cabinet under structural distribution and dynamic exposure conditions is comprehensively characterized, providing an accurate basis for subsequent operation and maintenance decisions. By generating a two-dimensional plan view of the second power distribution cabinet, the target components are annotated according to their location and associated with the corrosion grade of each component. A contour map is generated based on the corrosion grade data to intuitively quantify the spatial gradient distribution of the corrosion degree. This method transforms discrete component corrosion states into continuous spatial corrosion signatures, accurately revealing localized corrosion hotspots and diffusion trends within the cabinet, improving the accuracy and operability of spatial corrosion signature characterization. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a flow chart of a method for operating and maintaining a power distribution cabinet in a humid environment provided in an embodiment of the present application.

[0026] Figure 2 This is a flow chart of a method for calculating corrosion characteristics provided in an embodiment of the present application.

[0027] Figure 3 This is a flow chart of a method for calculating spatial corrosion characteristics provided in an embodiment of the present application.

[0028] Figure 4 This is a flow chart of a method for calculating time corrosion characteristics provided in an embodiment of the present application.

[0029] Figure 5 This is a flow chart of a method for generating a ventilation plan provided in an embodiment of the present application.

[0030] Figure 6 This is a flow chart of a method for generating an intake direction provided in an embodiment of the present application.

[0031] Figure 7This is a flow chart of a method for generating an intake rate provided in an embodiment of the present application.

[0032] Figure 8 This is a structural diagram of a distribution cabinet operation and maintenance system in a humid environment provided in an embodiment of the present application.

[0033] Figure 9 It is a schematic diagram of a two-dimensional plan view of a power distribution cabinet provided in an embodiment of the present application.

[0034] Figure 10 This is a schematic diagram of an air inlet provided in an embodiment of the present application. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of this application more clear, the following Figure 1 To the attached Figure 10 It should be understood that the specific embodiments described herein are only used to explain the present application and are not intended to limit the present application.

[0036] The embodiment of the present application discloses a method for operating and maintaining a power distribution cabinet in a humid environment. Figure 1 , the method comprising: Step S101: Obtain corrosion characteristics of each distribution cabinet in a distribution cabinet cluster.

[0037] A distribution cabinet cluster is a system consisting of several distribution cabinets.

[0038] Corrosion characteristics are used to represent the technical parameters of the corrosion degree of the distribution cabinet and its internal components. In this application, corrosion characteristics are composed of spatial corrosion characteristics and temporal corrosion characteristics.

[0039] In an optional embodiment, the corrosion characteristics are obtained by the following corrosion characteristics calculation method, which includes sub-steps S1011 to S1019, as follows: Sub-step S1011: obtain the second power distribution cabinet in the power distribution cabinet cluster.

[0040] The second power distribution cabinet is any one of the power distribution cabinets in the power distribution cabinet cluster. Optionally, the second power distribution cabinet is randomly selected from the power distribution cabinet cluster, or the second power distribution cabinet is selected in sequence according to the numbering order of the power distribution cabinets in the power distribution cabinet cluster.

[0041] Sub-step S1012: Acquire component images in the second power distribution cabinet.

[0042] The component image can be captured by a camera installed in the second distribution cabinet.

[0043] Exemplarily, when the image captured by the camera is an overall image of the second power distribution cabinet, an image of the area where the component is located is extracted from the overall image to obtain a component image.

[0044] Exemplarily, when the image captured by the camera only includes components, the image output by the camera is regarded as the component image.

[0045] Sub-step S1013: Acquire the current component state of the target component and the component position distribution of the target component from the component image.

[0046] The target component refers to the component that appears in the component image. The component location distribution is used to indicate the location of the target component within the second power distribution cabinet. Optionally, coordinates can be used to indicate the component location distribution.

[0047] The current component state is used to describe the corrosion condition of the target component. Exemplarily, the area where the target component is located is framed in the component image to obtain a framed image. The color features of the framed image are extracted. It is determined whether there are features corresponding to the target color in the color features. If not, the current component state is set to the default component state, which indicates that the target component is not corroded. If it exists, the occupied area of ​​the target color is calculated based on the color features and the target color. The current component state is generated based on the occupied area. Furthermore, when the occupied area is less than the area threshold, the generated current component state indicates that the target component is slightly corroded; when the occupied area is greater than the area threshold, the generated current component state indicates that the target component is severely corroded.

[0048] The target color is the color of the component after corrosion occurs. For example, the target color is brown or copper green.

[0049] In some other embodiments, after obtaining the framed image, the surface roughness of the target component is quantified. The current component state is generated based on the surface roughness. Furthermore, when the surface roughness is less than a roughness threshold, the target component is considered to be uncorroded or slightly corroded; when the surface roughness is greater than a second roughness, the target component is considered to be severely corroded.

[0050] Sub-step S1014: Calculate the similarity between the current component state and the standard component state to obtain the component single corrosion level.

[0051] The standard component state refers to the state of the component when it is not corroded.

[0052] The component single corrosion grade is used to quantify the degree of corrosion of a single component.

[0053] Exemplarily, when the current component state is obtained by color features, the area ratio is obtained according to the ratio of the occupied area to the total area of ​​the target component. According to the area ratio, the component single corrosion level is retrieved in the preset area-level mapping table. For example, when the area ratio is 0, the component single corrosion level is set to no corrosion, and the component single corrosion level is represented as 1. When the area ratio is greater than 0 and less than 5%, the component single corrosion is set to slight corrosion, and the component single corrosion level is represented as 2. When the area ratio is greater than 5% and less than 10%, the component single corrosion is set to moderate corrosion, and the component single corrosion level is represented as 3. When the area ratio is greater than 10%, the component single corrosion is set to severe corrosion, and the component single corrosion level is represented as 4.

[0054] For example, when the current component state is obtained through surface roughness, the area ratio is retrieved from a preset roughness-grade mapping table according to the surface roughness.

[0055] Sub-step S1015: Obtain spatial corrosion characteristics based on the corrosion level of the component and the component position distribution.

[0056] For example, a spatial corrosion feature in vector form is generated based on the component individual corrosion level and component location distribution. For example, the target components include component 1 and component 2. The coordinates of component 1 in the second distribution cabinet are (5, 8), and the component individual corrosion level of component 1 is 2. The coordinates of component 2 in the second distribution cabinet are (7, 6), and the component individual corrosion level of component 2 is 4. The generated spatial corrosion feature can be {(1, 5, 8, 2), (2, 7, 6, 4)}.

[0057] Sub-step S1016: Acquire the ambient gas data of the second power distribution cabinet.

[0058] Ambient gas data indicates the types and concentrations of gases inside and outside the distribution cabinet. In some embodiments, when ambient gas data is acquired, a timestamp is generated for the ambient gas data, indicating the time the ambient gas data was generated. For example, the ambient gas data may include water vapor. Furthermore, if the distribution cabinet is located near a chemical plant, thermal power plant, or other similar facility, the ambient gas data may also include nitrogen oxides, chlorine-containing gases, ammonia, and the like.

[0059] Sub-step S1017: extracting a concentration curve of the target gas from the ambient gas data. The concentration curve is used to represent changes in the concentration of the target gas over time.

[0060] The target gas is a predetermined type of gas. For example, the target gas is water vapor. Furthermore, the target gas may be a chlorine-containing gas, for example, the target gas is gas derived from the evaporation of seawater.

[0061] Optionally, the timestamp of the ambient gas data and the ambient gas data itself are taken to construct a discrete point graph to obtain a concentration discrete graph. Curve fitting is performed on the concentration discrete graph to obtain a concentration curve.

[0062] Sub-step S1018: Obtaining time corrosion characteristics according to the concentration curve.

[0063] Exemplarily, time series features of the concentration curve are extracted to obtain time corrosion features. The time series features include at least one of autocorrelation, moving average, and Hurst exponent of the concentration curve.

[0064] Sub-step S1019: Integrate the spatial corrosion characteristics and the temporal corrosion characteristics to obtain the corrosion characteristics of the second distribution cabinet.

[0065] The spatial corrosion characteristics and temporal corrosion characteristics are combined to form a matrix to obtain the corrosion characteristics of the second distribution cabinet.

[0066] Step S102: Screening the power distribution cabinets according to the corrosion characteristics to obtain a first power distribution cabinet, where the corrosion characteristics of the first power distribution cabinet are worse than the preset corrosion characteristics.

[0067] The preset corrosion characteristics are preset empirical values, and the preset corrosion characteristics are corrosion characteristics of a distribution cabinet whose components are not corroded.

[0068] Step S103: Obtain the location distribution of the first power distribution cabinet.

[0069] The position distribution is used to record the position distribution of the first distribution cabinet in the distribution cabinet cluster. For example, if the distribution cabinets in the distribution cabinet cluster are distributed in an array, the array number of the first distribution cabinet can be used to represent the position of the first distribution cabinet.

[0070] Step S104: select a first target power distribution cabinet in the first power distribution cabinet, and obtain a first gas port and a second gas port of the first target power distribution cabinet, where the first gas port and the second gas port are located at different positions.

[0071] The first target power distribution cabinet is any one of the first power distribution cabinets.

[0072] The first air port and the second air port are two different air ports on the first target power distribution cabinet. The first air port and the second air port are openings on the power distribution cabinet for ventilation. The first air port and the air port can be used for both air intake and exhaust.

[0073] Step S105: determining an air inlet from the first air inlet and the second air inlet according to the position distribution.

[0074] Optionally, a first direction opposite to the air inlet direction of the first air inlet is obtained. A first number of first distribution cabinets located in the first direction opposite to the air inlet direction is determined based on the position distribution. A second direction opposite to the air inlet direction of the second air inlet is obtained. A second number of first distribution cabinets located in the second direction opposite to the air inlet direction is determined based on the position distribution. If the first number is greater than or equal to the second number, the second air inlet is set as the air inlet; if the first number is less than the second number, the first air inlet is set as the air inlet.

[0075] Step S106: adjusting the ventilation scheme of the first target power distribution cabinet according to the corrosion characteristics and the air inlet.

[0076] The ventilation plan includes the air intake direction and air intake rate of the air intake port.

[0077] By employing this technical solution, the corrosion characteristics of a distribution cabinet cluster are acquired, accurately selecting the first distribution cabinet with corrosion characteristics worse than the preset ones. Based on the location distribution of the first distribution cabinets, the air inlet is dynamically determined from the first and second air inlets of the first target distribution cabinet. Finally, the ventilation plan is adjusted based on the corrosion characteristics and the air inlet. This method enables targeted maintenance of distribution cabinets with high corrosion risk. By optimizing the air inlet path and ventilation strategy, it effectively mitigates the corrosion of corrosive gases in humid environments on distribution cabinet components, thereby extending equipment life.

[0078] The present application embodiment discloses a method for calculating spatial corrosion characteristics. Figure 3 , the method comprising: Step S301: Generate a two-dimensional plan view of the second power distribution cabinet.

[0079] The two-dimensional plan view is a plan view of the interior of the second power distribution cabinet from a top-down perspective. In some embodiments, the two-dimensional plan view of each power distribution cabinet is stored in a memory, and the two-dimensional plan view of the second power distribution cabinet can be directly obtained from the memory.

[0080] Step S302: Mark the target components in the two-dimensional plane according to the component position distribution.

[0081] According to the component position distribution, determine the position of the target component in the second distribution cabinet. According to the above position, mark the target component at the corresponding position of the two-dimensional plane. For example, please refer to Figure 9 , mark the target element 901 in the two-dimensional plane view.

[0082] Step S303: marking the corrosion level of the component unit in the two-dimensional plane map according to the position of the target component in the two-dimensional plane map.

[0083] Obtain the target component's single component corrosion level. According to the target component's position in the two-dimensional plane, mark the component's single component corrosion level in the two-dimensional plane. For example, please refer to Figure 9 , marking the component single corrosion level in the two-dimensional plane, the component single corrosion level of the target component 901 is 3.

[0084] Step S304: generating a contour map in the two-dimensional plane map according to the corrosion level of the component monomer.

[0085] A contour map is a graph that visualizes the corrosion level of individual components within a two-dimensional plane, connecting points with the same corrosion level of individual components with contour lines.

[0086] For example, based on the discrete distribution of the corrosion levels of the individual components in the two-dimensional plane map, an interpolation operation is performed on the two-dimensional plane map to obtain a two-dimensional plane interpolation map, and the two-dimensional plane interpolation map is filled to obtain a contour map.

[0087] Among them, the tool for generating contour maps in a two-dimensional plane map can use Matplotlib (a 2D drawing library using the Python programming language that supports the output of various types of charts).

[0088] Step S305: Obtain spatial corrosion characteristics based on the contour map.

[0089] For example, statistical and geometric features are extracted from the contour map to obtain spatial corrosion features. Spatial features include the area of ​​high-concentration regions, average concentration, and peak concentration. Geometric features include the extreme points surrounded by contour lines and the contour line shapes.

[0090] By employing this technical solution, a two-dimensional plan view of the second distribution cabinet was generated. The target components were annotated according to their location and associated with the corrosion levels of the individual components. A contour map was generated based on the corrosion level data to visually quantify the spatial gradient distribution of the corrosion degree. This method transforms discrete component corrosion states into continuous spatial corrosion signatures, accurately revealing localized corrosion hotspots and diffusion trends within the cabinet, improving the accuracy and operability of spatial corrosion signature characterization.

[0091] In the following embodiments, different concentrations have different corrosive effects on components. When the concentration of the target gas is less than a certain amount, the corrosive effect of the target gas on the component is relatively limited. Therefore, the embodiment of the present application discloses a method for calculating the time corrosion characteristics. Figure 4 , the method comprising: Step S401: According to the concentration curve, a first time period and a second time period are classified, wherein the concentration in the first time period is greater than a preset concentration, and the concentration in the second time period is less than the preset concentration.

[0092] The preset concentration is a preset empirical value, and technicians can adjust the specific value of the preset concentration according to actual needs.

[0093] For example, in the concentration curve, the first time period and the second time period are classified based on the preset concentration.

[0094] Step S402: intercepting a first concentration curve from the concentration curve according to the first time period.

[0095] The time corresponding to the first concentration curve falls into the first time period.

[0096] Step S403: performing an integration operation on the first concentration curve to obtain a first time corrosion feature.

[0097] The first time corrosion feature obtained by performing an integration operation on the first concentration curve can represent the corrosion condition of the target element by the target gas in the first time period.

[0098] Step S404: Calculate the product of the total duration of the second time period and the preset coefficient to obtain a second time corrosion feature.

[0099] The preset coefficient is a preset empirical value, and technicians can adjust the value of the preset coefficient according to actual needs. For example, the preset coefficient is 0.65.

[0100] Step S405: Integrate the first time corrosion feature and the second time corrosion feature to obtain a time corrosion feature.

[0101] The first time corrosion feature and the second time corrosion feature are integrated into the same vector to obtain the time corrosion feature.

[0102] By employing this technical solution, the target gas concentration curve is divided into a first high-concentration time period and a second low-concentration time period, using a preset concentration threshold. The first concentration curve for the first time period is integrated to quantify the cumulative exposure to high-concentration gas, yielding the first temporal corrosion signature. The second temporal corrosion signature is then calculated by multiplying the duration of the second time period by a preset coefficient. Combining these two results in a temporal corrosion signature that accurately reflects the dynamic corrosion effects of gas concentration fluctuations on equipment, avoiding the limitations of single mean analysis.

[0103] In the following embodiments, the ventilation scheme is composed of the air intake direction and the air intake rate. Therefore, the embodiment of the present application discloses a method for generating a ventilation scheme. Figure 5 , the method comprising: Step S501: Generate spatial corrosion characteristics and temporal corrosion characteristics of a first target distribution cabinet according to the corrosion characteristics.

[0104] The generation methods of spatial corrosion features and temporal corrosion features can be referred to Figure 3 and Figure 4 The embodiments shown will not be described in detail here.

[0105] Step S502: extracting adjacent components according to the spatial corrosion characteristics and the position of the air inlet, wherein the distance between the adjacent components and the air inlet is less than a preset distance threshold.

[0106] The preset distance threshold is a preset empirical value, and technicians can adjust the specific value of the preset distance threshold based on actual needs. For example, the preset distance threshold is 0.5 meters.

[0107] For example, the air inlet is located at the center of a sphere, and a preset distance threshold is used as a radius to form a sphere, and the components located inside the sphere are regarded as adjacent components.

[0108] Step S503: setting the air intake direction of the first target power distribution cabinet according to the relative position of the adjacent component and the air intake.

[0109] The air intake direction refers to the direction of air intake from the air intake port to the inside of the power distribution cabinet. Figure 6 The embodiments shown are not described in detail here.

[0110] Step S504: setting the air intake rate according to the time corrosion characteristics.

[0111] The intake rate refers to the rate at which gas passes through the air inlet. For details on determining the intake rate, please refer to Figure 7 The embodiments shown are not described in detail here.

[0112] Step S505: forming a ventilation plan according to the air intake direction and air intake rate.

[0113] Exemplarily, the air intake is controlled to operate according to the air intake direction and air intake rate.

[0114] By employing this technical solution, based on the spatial corrosion characteristics and air inlet location of the first target distribution cabinet, adjacent components with a distance less than a preset threshold are extracted. The air intake direction is set based on the relative position of the adjacent components and the air inlet, avoiding direct airflow into high-corrosion areas. Furthermore, the air intake rate is dynamically adjusted based on the temporal corrosion characteristics to adapt to ventilation requirements under varying gas concentrations. Ultimately, a targeted and quantitative ventilation plan is developed, achieving efficient exhaust of corrosive gases and precise introduction of clean air, maximizing the anti-corrosion effect.

[0115] The embodiment of the present application discloses a method for generating an intake direction. Figure 6 , the method comprising: Step S601: performing clustering operations based on the positions of adjacent components to obtain a number of clusters.

[0116] A cluster is a cluster consisting of at least two adjacent elements. Optionally, the clustering algorithm may be any one of the K-Means algorithm, the DBSCAN algorithm, and the spectral clustering algorithm. In the embodiment of the present application, the clustering operation adopts the K-Means algorithm.

[0117] Step S602: determining whether the clusters cover the candidate intake directions of the intake ports.

[0118] The candidate intake directions refer to the available intake directions of the intake port.

[0119] Exemplarily, a two-dimensional plan view of the first target power supply cabinet is set. In the two-dimensional plan view, with the air inlet as the center of the circle, all candidate air intake directions of the air inlet are formed, and a preset length is set on the candidate air intake direction to form a fan-shaped coverage area. In the fan-shaped coverage area, a ray passing through the center of the circle is made, and the ray is made to pass through the cluster. If the angle covered by the ray completely covers the angle of the fan-shaped coverage area, it is considered that the cluster covers the candidate air intake direction of the air inlet; if the angle covered by the ray does not completely cover the angle of the fan-shaped coverage area, it is considered that the cluster does not cover the candidate air intake direction of the air inlet.

[0120] If the cluster covers the candidate intake direction of the air intake port, then execute steps S603 to S605; If the cluster does not cover the candidate intake directions of the air intake ports, step S606 is executed.

[0121] Step S603: If yes, obtain the corrosion level of each adjacent component in the cluster and the adjacent distance from the adjacent component to the air inlet.

[0122] Optionally, the corrosion level refers to the corrosion level of the component alone of the adjacent components.

[0123] Step S604: Obtain the corrosion score of the cluster according to the corrosion level and the adjacent distance.

[0124] Optionally, the corrosion level is normalized to obtain a first corrosion score. The adjacency distance is normalized to obtain a second corrosion score. The first and second corrosion scores are weighted to obtain a cluster corrosion score. A smaller corrosion score indicates that the gas introduced into the air inlet has less corrosive effect on the components within the cluster.

[0125] Step S605: Take the candidate intake direction corresponding to the minimum value in the corrosion score to obtain the intake direction.

[0126] For example, the cluster corresponding to the minimum value in the corrosion score is obtained, and a direction vector from the air intake to the aforementioned cluster is calculated to obtain the air intake direction.

[0127] Step S606: If not, select an intake direction from the candidate intake directions, and no cluster is formed on the intake direction.

[0128] For example, when the clusters do not cover the candidate intake directions of the intake port, it indicates that there is an intake direction and the gas entering the intake port will not pass through any cluster, and the direction in which no cluster is formed is used as the intake direction.

[0129] For example, please refer to Figure 10 The candidate intake directions for the air intake port form a sector OAB, with adjacent elements forming cluster 1001. Starting from point O, rays are drawn into sector OAB. If any rays do not pass through cluster 1001, these rays are recorded to form a sector OBC. The intake direction is then selected based on the sector OBC. In practice, air intake ports have a certain angle, so the angle COB must be greater than a certain angle.

[0130] By employing this technical solution, adjacent components are grouped into clusters through a clustering operation. The clusters are then used to determine whether they cover candidate air intake directions. If so, a weighted corrosion score is calculated, combining the corrosion level and distance of adjacent components within each cluster. The direction with the lowest score is selected as the air intake direction, proactively avoiding areas of high corrosion risk. If not, a candidate air intake direction without component obstruction is directly selected. This method intelligently optimizes the air intake path by combining spatial corrosion distribution, significantly reducing the impact of corrosive gases on sensitive components.

[0131] The embodiment of the present application discloses a method for generating an intake air velocity. Figure 7 , the method comprising: Step S701: Get the current time.

[0132] The current time is in Coordinated Universal Time (UTC), a standard time system. Optionally, the current time can be expressed as a Unix timestamp.

[0133] Step S702: Obtain target gas concentration according to the time corrosion characteristics and the current time.

[0134] For example, based on the time corrosion characteristics, a concentration curve of the target gas is obtained. The data corresponding to the current moment is determined in the concentration curve to obtain the target gas concentration. Figure 2 In the illustrated embodiment, the process of obtaining the time corrosion characteristics from the concentration gas is described, so that the concentration curve of the target gas can be obtained, and the data corresponding to the current moment in the concentration curve can be taken to obtain the target gas concentration.

[0135] Step S703: According to the target gas concentration, a candidate intake rate is retrieved from a preset rate mapping table, where the rate mapping table is used to store a mapping relationship between the target gas concentration and the intake rate.

[0136] The rate mapping table can be obtained by technicians through repeated experimental measurements. When the target gas concentration is different, the intake rate is also different to ensure that the temperature inside the distribution cabinet is not too high and that too much target gas does not enter the distribution cabinet.

[0137] Step S704: Determine whether the candidate intake air rate is greater than a preset intake air rate threshold.

[0138] The air intake rate threshold is the minimum air intake rate for the distribution cabinet. In the distribution cabinet, real-time air intake is required for heat exchange. Therefore, to prevent excessive internal temperatures, the air intake rate must be maintained above a certain level. For example, the preset air intake rate threshold is equal to the total power consumption of the equipment in the distribution cabinet. Assuming the total power consumption of the equipment is A, the preset air intake rate threshold = A * 0.15 m³ / s.

[0139] If the candidate intake rate is greater than the preset intake rate threshold, step S705 is executed; If the candidate intake air rate is not greater than the preset intake air rate threshold, step S706 is executed.

[0140] Step S705: If yes, then set the candidate intake rate as the intake rate.

[0141] If the candidate air intake rate is greater than a preset air intake rate threshold, the candidate air intake rate can meet the heat dissipation requirement of the power distribution cabinet and also meet the requirement of minimizing corrosion on internal components of the power distribution cabinet.

[0142] Step S706: If not, the intake rate threshold is set to the intake rate.

[0143] If the candidate air intake rate is not greater than the preset air intake rate threshold, the heat dissipation requirement of the power distribution cabinet needs to be met to a limited extent. Therefore, the air intake rate threshold is set to the air intake rate.

[0144] By employing this technical solution, the real-time target gas concentration is matched to the time corrosion signature at the current moment. A corresponding candidate intake rate is retrieved based on a preset rate mapping table. The candidate intake rate is determined to be greater than a preset intake rate threshold. If it meets the threshold, it is directly adopted to ensure ventilation efficiency. If it does not, the threshold rate is switched to maintain basic ventilation requirements. This method achieves dynamic air volume control that adapts to gas concentration, avoiding excessive energy consumption while ensuring redundant safety protection for equipment in extreme environments.

[0145] Based on the same inventive concept, the present application embodiment provides a distribution cabinet operation and maintenance system in a humid environment. Please refer to Figure 8 , the system comprises: An acquisition module 801 is used to acquire corrosion characteristics, a first gas port, and a second gas port; Memory 802, used to store a program for the power distribution cabinet operation and maintenance method in a humid environment; Processor 803, the program in the memory can be loaded and executed by the processor to implement the distribution cabinet operation and maintenance method in the humid environment.

[0146] By employing this technical solution, the corrosion characteristics of a distribution cabinet cluster are acquired, accurately selecting the first distribution cabinet with corrosion characteristics inferior to the preset ones. Based on the location distribution of the first distribution cabinets, the air inlet is dynamically determined from the first and second air inlets of the first target distribution cabinet. Finally, the ventilation plan is adjusted based on the corrosion characteristics and the air inlet. This method enables targeted maintenance of distribution cabinets with high corrosion risk. By optimizing the air inlet path and ventilation strategy, it effectively mitigates the corrosion of corrosive gases in humid environments on distribution cabinet components, thereby extending equipment life.

[0147] Those skilled in the art will clearly understand that for the sake of convenience and brevity, the division of the above-mentioned functional modules is only used as an example for illustration. In actual applications, the above-mentioned functions can be assigned to different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above. The specific working processes of the above-mentioned systems, devices, and units can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0148] An embodiment of the present application provides a computer-readable storage medium storing a computer program that can be loaded by a processor and executed by a method for operating and maintaining a power distribution cabinet in a humid environment.

[0149] Computer storage media include, for example, various media that can store program codes, such as USB flash drives, mobile hard disks, read-only memories (ROMs), random access memories (RAMs), magnetic disks, or optical disks.

[0150] Based on the same inventive concept, an embodiment of the present application provides an intelligent terminal, including a memory and a processor, wherein the memory stores a computer program that can be loaded by the processor and executes a method for operating and maintaining a distribution cabinet in a humid environment.

[0151] Those skilled in the art will clearly understand that for the sake of convenience and brevity, the division of the above-mentioned functional modules is only used as an example for illustration. In actual applications, the above-mentioned functions can be assigned to different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above. The specific working processes of the above-mentioned systems, devices, and units can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0152] The above are all preferred embodiments of the present application and are not intended to limit the scope of protection of this application. Unless otherwise specified, any feature disclosed in this specification (including the abstract and drawings) may be replaced by other equivalent or similar features. In other words, unless otherwise specified, each feature is merely an example of a series of equivalent or similar features.

Claims

1. A method for operating and maintaining a power distribution cabinet in a humid environment, characterized in that: The method comprises: Obtain the corrosion characteristics of each distribution cabinet in the distribution cabinet cluster; Screening the power distribution cabinets according to the corrosion characteristics to obtain a first power distribution cabinet, wherein the corrosion characteristics of the first power distribution cabinet are worse than the preset corrosion characteristics; Obtaining the location distribution of the first power distribution cabinet; Take a first target power distribution cabinet from the first power distribution cabinets, and obtain a first gas port and a second gas port of the first target power distribution cabinet, where the first gas port and the second gas port are located at different positions; determining an air inlet port from the first air port and the second air port according to the position distribution; Adjust the ventilation scheme of the first target power distribution cabinet according to the corrosion characteristics and the air inlet.

2. The method for operating and maintaining a power distribution cabinet in a humid environment according to claim 1, characterized in that: The obtaining of the corrosion characteristics of each distribution cabinet in the distribution cabinet cluster includes: Take the second power distribution cabinet in the power distribution cabinet cluster; Acquire an image of components in the second power distribution cabinet; Acquire a current component state of a target component and component position distribution of the target component from the component image; Calculating the similarity between the current component state and the standard component state to obtain the component single corrosion grade; Obtaining spatial corrosion characteristics according to the corrosion level of the component and the position distribution of the component; Acquire ambient gas data of the second power distribution cabinet; Extracting a concentration curve of the target gas from the ambient gas data, wherein the concentration curve is used to represent a change in the concentration of the target gas over time; Obtaining a time corrosion characteristic according to the concentration curve; The spatial corrosion characteristics and the temporal corrosion characteristics are integrated to obtain the corrosion characteristics of the second distribution cabinet.

3. The method for operating and maintaining a power distribution cabinet in a humid environment according to claim 2, characterized in that: The spatial corrosion characteristics are obtained according to the corrosion level of the component and the position distribution of the component, including: generating a two-dimensional plan view of the second power distribution cabinet; Marking the target component in the two-dimensional plane diagram according to the component position distribution; Marking the corrosion level of the component unit in the two-dimensional plane diagram according to the position of the target component in the two-dimensional plane diagram; generating a contour map within the two-dimensional plane map according to the corrosion level of the component monomer; The spatial corrosion characteristics are obtained according to the contour map.

4. The method for operating and maintaining a power distribution cabinet in a humid environment according to claim 3, characterized in that: The step of obtaining the time corrosion characteristics according to the concentration curve includes: According to the concentration curve, a first time period and a second time period are obtained, wherein the concentration in the first time period is greater than a preset concentration, and the concentration in the second time period is less than the preset concentration; intercepting a first concentration curve from the concentration curve according to the first time period; performing an integration operation on the first concentration curve to obtain a first time corrosion characteristic; Calculating the product of the total duration of the second time period and a preset coefficient to obtain a second time corrosion characteristic; The first time corrosion feature and the second time corrosion feature are integrated to obtain the time corrosion feature.

5. The method for operating and maintaining a power distribution cabinet in a humid environment according to claim 2, characterized in that: The adjusting the ventilation scheme of the first target power distribution cabinet according to the corrosion characteristics and the air inlet includes: Generating the spatial corrosion feature and the temporal corrosion feature of the first target power distribution cabinet according to the corrosion feature; extracting adjacent elements according to the spatial corrosion characteristics and the position of the air inlet, wherein the distance between the adjacent elements and the air inlet is less than a preset distance threshold; Setting the air intake direction of the first target power distribution cabinet according to the relative position of the adjacent element and the air intake; setting an air intake rate according to the time corrosion characteristics; The ventilation plan is formed according to the air intake direction and the air intake rate.

6. The method for operating and maintaining a power distribution cabinet in a humid environment according to claim 5, characterized in that: The step of setting the air intake direction of the first target power distribution cabinet according to the relative position of the adjacent element and the air intake port includes: Performing a clustering operation according to the positions of the adjacent elements to obtain a plurality of clusters; determining whether the cluster covers the candidate intake directions of the air intake port; If yes, obtaining the corrosion level of each adjacent element in the cluster and the adjacent distance from the adjacent element to the air inlet; Obtaining a corrosion score of the cluster according to the corrosion grade and the adjacent distance; Taking the candidate intake direction corresponding to the minimum value of the corrosion score to obtain the intake direction; If not, the intake direction is selected from the candidate intake directions, and the cluster is not formed on the intake direction.

7. The method for operating and maintaining a power distribution cabinet in a humid environment according to claim 5, characterized in that: The step of setting the air intake rate according to the time corrosion characteristics comprises: Get the current time; Obtaining a target gas concentration according to the time corrosion characteristics and the current moment; According to the target gas concentration, a candidate intake rate is retrieved from a preset rate mapping table, wherein the rate mapping table is used to store a mapping relationship between the target gas concentration and the intake rate; Determining whether the candidate intake air rate is greater than a preset intake air rate threshold; If so, setting the candidate intake rate to the intake rate; If not, the intake speed threshold is set to the intake speed.

8. A distribution cabinet operation and maintenance system in a humid environment, characterized in that: The system is used to perform the power distribution cabinet operation and maintenance method in a humid environment according to any one of claims 1 to 7, comprising: An acquisition module, configured to acquire corrosion characteristics, a first gas port, and a second gas port; A memory, used to store a program for the power distribution cabinet operation and maintenance method in a humid environment; The processor and the program in the memory can be loaded and executed by the processor to implement the distribution cabinet operation and maintenance method in the humid environment.

9. An intelligent terminal, characterized in that: The method comprises a memory and a processor, wherein the memory stores a computer program that can be loaded by the processor and execute the method according to any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that A computer program is stored which can be loaded by a processor and execute the method according to any one of claims 1 to 7.

Images