Method and device for evaluating a state of a screen, electronic device and storage medium

Abstract

The present application relates to nuclear power water intake technology field, disclose the evaluation method, device, electronic equipment and storage medium of trash screen jamming state, the method comprises: the pulling force resultant force of trash screen under actual operation state is obtained;Based on the first conversion relationship constructed in advance, the pulling force resultant force is converted into the actual interception efficiency of trash screen;Based on the second conversion relationship constructed in advance, the pulling force resultant force is converted into the actual jamming rate of trash screen;The corresponding relationship between actual interception efficiency and actual jamming rate is established, and the interception state and jamming state of trash screen under the pulling force resultant force monitored in real time are evaluated based on the corresponding relationship, the present application converts the pulling force resultant force monitored in real time into interception efficiency and jamming rate respectively, establishes the direct corresponding relationship between them, so as to obtain the jamming state corresponding to different interception efficiency in operation in real time without relying on artificial experience or difficult to implement means such as image recognition, sonar detection.

Description

Technical Field

[0001] This invention relates to the field of nuclear power plant water intake safety technology, specifically to a method, apparatus, electronic device, and storage medium for assessing the blockage status of contaminant screens. Background Technology

[0002] In the field of nuclear power plant water intake safety, to address the risk of water blockage caused by marine organisms such as shrimp, jellyfish, and algae, multiple layers of debris screens are typically installed in the intake open channel. The interception efficiency and blockage rate of these debris screens are key parameters in their design and operation, but the following technical problems currently exist: During the design phase, the tension and interception rate of the debris screens are usually obtained through manual sealing tests or flume tests, but it is impossible to establish a direct correlation between the interception rate and the blockage rate; during the operation and maintenance phase, nuclear power plants can calculate the actual interception rate during operation, but they cannot directly observe or calculate the actual blockage rate of the debris screens.

[0003] Furthermore, existing observation technologies such as optical imaging and sonar imaging are limited by underwater imaging distance, low resolution, and susceptibility to interference, making them unsuitable for open, large-scale applications like nuclear power plant water intake channels. Therefore, it is currently impossible to assess the blockage rate of the interception nets corresponding to the interception efficiency during operation and maintenance, leading to a reliance on experience for operations such as debris removal and cleaning, making accurate judgment difficult. Summary of the Invention

[0004] This invention provides a method, apparatus, electronic device, and storage medium for assessing the clogging status of a debris-blocking net, in order to solve the problem that existing technologies cannot determine the clogging status corresponding to different interception efficiencies of the debris-blocking net in actual operation.

[0005] In a first aspect, the present invention provides a method for assessing the clogging status of a debris-blocking net, the method comprising: Obtain the resultant tensile force of the debris-blocking net under actual operating conditions; Based on the pre-constructed first conversion relationship, the resultant tensile force is converted into the actual interception efficiency of the debris barrier; the first conversion relationship represents the correspondence between the resultant tensile force and the interception efficiency under the intrusion of the disaster-causing material and the type of debris barrier. Based on the pre-constructed second conversion relationship, the resultant tension force is converted into the actual blockage rate of the debris barrier; the second conversion relationship represents the correspondence between the resultant tension force and the blockage rate under the type of debris barrier. Establish a correlation between actual interception efficiency and actual blockage rate, and evaluate the interception and blockage status of the debris barrier under the real-time monitored resultant force based on the correlation.

[0006] This invention provides a method for assessing the blockage status of a debris-blocking net. By converting the real-time monitored resultant tension into interception efficiency and blockage rate, a direct correspondence between the two is established. This eliminates the need to rely on manual experience or difficult-to-implement methods such as image recognition and sonar detection. It allows for real-time determination of the blockage status corresponding to different interception efficiencies during operation, providing a quantitative basis for maintenance operations such as debris removal and cleaning. This solves the problem that existing technologies cannot determine the blockage status corresponding to different interception efficiencies in actual operation of debris-blocking nets.

[0007] In one optional implementation, obtaining the resultant tensile force of the debris-blocking net under actual operating conditions includes: Under actual operating conditions, tension data at each mooring point of the debris barrier was collected; the debris barrier is used for nuclear power plant water intake. The resultant tension of the debris-blocking net is obtained by adding up the tension data of each mooring point.

[0008] In the above technical solution, by collecting tension data at each mooring point of the debris barrier and adding them together to obtain the resultant tension, the total tension experienced by the debris barrier under actual operating conditions is obtained in real time, providing a direct and reliable data basis for subsequent evaluation of interception efficiency and blockage rate based on tension.

[0009] In one optional implementation, based on a pre-established first conversion relationship, the resultant tensile force of the debris barrier is converted into the actual interception efficiency of the debris barrier, including: Identify the type of the intruding object and the type of the current debris-blocking net; Obtain the water parameters of the current operating environment and the total amount of intrusive and disaster-causing substances; Based on the type of hazardous material, the type of netting, and the water parameters of the current operating environment, the interception weight of the debris-blocking net is calculated by matching the first conversion relationship. The actual interception efficiency of the pollution barrier is obtained based on the intercepted weight and the total amount of intrusive and harmful materials.

[0010] In the above technical solution, by identifying the type of disaster-causing object and the type of net, and combining the water parameters of the current operating environment, the corresponding first conversion relationship is matched to convert the real-time monitored tensile force into the interception weight, and then the actual interception efficiency is calculated by combining the total amount of intrusive disaster-causing objects, thus realizing a quantitative assessment of the interception efficiency of the debris net in operation.

[0011] In one optional implementation, the interception weight of the debris-blocking net is calculated, including: Obtain the resultant tension force of the trash can net when it is empty; Calculate the difference between the resultant tension force and the resultant tension force in the empty net state, and calculate the net tension force generated by the netting of the disaster-causing object based on the difference; Based on the net tensile force and the first conversion relationship, the interception weight of the debris-blocking net is calculated.

[0012] In the above technical solution, by obtaining the resultant tension force in the empty net state and calculating the difference between it and the resultant tension force in the actual operating state, the net tension force generated by the disaster-causing object hanging on the net is separated, eliminating the influence of water flow resistance on tension measurement and improving the accuracy of interception weight calculation.

[0013] In one alternative implementation, based on a pre-built second conversion relationship, the resultant tensile force is converted into the actual blockage rate of the debris barrier, including: Identify the type of netting used in the current debris-blocking net; Obtain the water parameters of the current operating environment and the resultant tension force under empty net conditions; Based on the type of net, water parameters, and the resultant tension in the empty net state, the actual blockage rate of the debris-blocking net is calculated by matching the second conversion relationship.

[0014] In the above technical solution, by identifying the type of net and combining the water parameters of the current operating environment with the resultant tension in the empty net state, the corresponding second conversion relationship is matched to directly convert the real-time monitored resultant tension into the actual blockage rate, thereby realizing the quantitative assessment of the blockage rate of the debris-blocking net in the operating state.

[0015] In one alternative implementation, the net types include flat nets and bag nets; The actual clogging rate of the debris-blocking net is calculated, including: When the net type is a planar net, the actual blockage rate is the ratio of the blocked area to the total area of ​​the planar net; when the net type is a net bag, the actual blockage rate is the ratio of the blocking length to the total length of the net bag.

[0016] In the above technical solution, different methods for calculating the blockage rate are defined according to the type of net: planar net and net-covered net. The blockage rate of planar net is the ratio of the blocked area to the total area, while the blockage rate of net-covered net is the ratio of the blocked length to the total length. This makes the blockage rate assessment index adaptable to different structures of debris-blocking nets, improving the versatility and accuracy of the assessment method.

[0017] In one optional implementation, establishing the correspondence between actual interception efficiency and actual blocking rate includes: Using the resultant force of the pulling force as an intermediate value, the actual interception efficiency is correlated with the actual congestion rate, establishing a correspondence between the actual interception efficiency and the actual congestion under the same resultant force value.

[0018] In the above technical solution, the resultant tension force is used as an intermediate value to correlate the actual interception efficiency and the actual blockage rate under the same resultant tension force value, establishing a direct correspondence between the two. This allows the interception efficiency and blockage rate to be known simultaneously based on the real-time monitored resultant tension force during operation, providing a unified quantitative basis for the status assessment of the pollution interception net.

[0019] Secondly, the present invention provides an assessment device for the clogging status of a debris-blocking net, the device comprising: The resultant tension force acquisition module is used to acquire the resultant tension force of the trash can net under actual operating conditions; The actual interception efficiency conversion module is used to convert the resultant tension force into the actual interception efficiency of the debris barrier based on a pre-built first conversion relationship; the first conversion relationship represents the correspondence between the resultant tension force and the interception efficiency under the intrusion of the disaster-causing object and the type of debris barrier net; The actual blockage rate conversion module is used to convert the resultant tension force into the actual blockage rate of the debris barrier based on a pre-built second conversion relationship; the second conversion relationship represents the correspondence between the resultant tension force and the blockage rate under the type of debris barrier. The blockage status assessment module is used to establish the correspondence between the actual interception efficiency and the actual blockage rate, and to assess the interception status and blockage status of the debris barrier under the real-time monitored resultant force based on the correspondence.

[0020] Thirdly, the present invention provides an electronic device, comprising: a memory and a processor, the memory and the processor being communicatively connected to each other, the memory storing computer instructions, and the processor executing the computer instructions to perform the method for assessing the blockage status of the debris-blocking net as described in the first aspect or any corresponding embodiment.

[0021] Fourthly, the present invention provides a computer-readable storage medium storing computer instructions for causing a computer to execute the method for assessing the blockage status of a debris-blocking net as described in the first aspect or any corresponding embodiment thereof.

[0022] Fifthly, the present invention provides a computer program product, including computer instructions for causing a computer to execute the method for assessing the blockage status of a debris-blocking net as described in the first aspect or any corresponding embodiment. Attached Figure Description

[0023] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the first process of the method for assessing the blockage status of a debris-blocking net according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the second process of the method for assessing the blockage status of a debris-blocking net according to an embodiment of the present invention; Figure 3 This is a schematic diagram showing the relationship between the three indicators of interception rate, blockage rate, and resultant tension force under the same operating condition in the method for evaluating the blockage status of the debris-blocking net according to an embodiment of the present invention. Figure 4 This is a schematic diagram of arranging mooring point tension sensors on a debris-blocking net according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the actual blockage rate of a planar network according to an embodiment of the present invention; Figure 6 This is a schematic diagram illustrating the actual blockage rate of the net according to an embodiment of the present invention; Figure 7 This is a structural block diagram of an assessment device for the clogging status of a debris-blocking net according to an embodiment of the present invention; Figure 8 This is a schematic diagram of the hardware structure of an electronic device according to an embodiment of the present invention. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] It is understood that before using the technical solutions disclosed in the various embodiments of the present invention, users should be informed of the types, scope of use, and usage scenarios of the personal information involved in the present invention and their authorization should be obtained in accordance with relevant laws and regulations through appropriate means.

[0027] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] The relevant technologies cannot assess the blockage rate of the interception net corresponding to the interception efficiency during the operation and maintenance process, which makes it difficult to make accurate judgments when performing operations such as dredging and cleaning.

[0029] The contaminant shielding net for nuclear power plant water intake will exhibit three indicators under a specific hazardous material intrusion condition: interception rate, blockage rate, and resultant tensile force. These three indicators have a corresponding relationship under the same condition, such as... Figure 3 As shown, this invention utilizes this principle to establish corresponding relationships between the resultant tension force at the mooring point of the debris barrier and the interception rate and blockage rate. By using the resultant tension force as an intermediate value, the relationship between the interception rate and the blockage rate is finally established. In particular, this invention establishes the relationship between the interception rate and the blockage rate after two types of pests, namely seaweed and shrimp, invade planar nets (10mm aperture, 50mm aperture) and net bags (5mm, 2mm), solving the problem that existing technologies cannot determine the blockage state corresponding to different interception efficiencies of debris barriers in actual operation.

[0030] According to an embodiment of the present invention, an embodiment of a method for assessing the blockage status of a debris-blocking net is provided. It should be noted that the steps shown in the flowchart in the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions. Furthermore, although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in a different order than that shown here.

[0031] This embodiment provides a method for assessing the clogging status of a debris-blocking net, which can be used in the aforementioned electronic equipment. Figure 1 This is a flowchart of a method for assessing the clogging status of a debris-blocking net according to an embodiment of the present invention, such as... Figure 1 As shown, the process includes the following steps: Step S101: Obtain the resultant tension force of the debris barrier net under actual operating conditions.

[0032] Among them, the contamination net refers to the contamination net used for nuclear power plant water intake. The contamination net for nuclear power plant water intake is a filtration and interception device installed in the open water intake channel of the nuclear power plant. Its core function is to prevent marine organisms such as shrimp, jellyfish, algae and other debris from entering the water intake system, so as to ensure the safety of the nuclear power plant's cold source.

[0033] The resultant tension refers to the total tension acting on the entire debris barrier, not the tension at a single point, but the sum of the tensions at all mooring points (i.e., the connection points between the debris barrier and the fixed structure).

[0034] Step S102: Based on the pre-constructed first conversion relationship, the resultant tension force is converted into the actual interception efficiency of the debris barrier net; the first conversion relationship represents the correspondence between the resultant tension force and the interception efficiency under the intrusion of the disaster-causing object and the type of debris barrier net.

[0035] The actual interception efficiency of the debris barrier is used to quantify its effectiveness in intercepting marine organisms or debris. For example, high efficiency indicates that the netting has played an effective blocking role and protected downstream equipment; low efficiency may mean that the debris has penetrated the netting, requiring the initiation of other downstream interception or treatment measures.

[0036] Specifically, during the conversion, the corresponding conversion model is first selected based on the type of intrusive pollutant and the structural type of the debris barrier. Then, combined with real-time environmental parameters such as water flow and water level, as well as the tension benchmark in the empty net state, the monitored resultant tension is substituted into the model to calculate the total amount of pollutants intercepted by the net, and the interception ratio of the net to the total intrusion is calculated. Finally, the interception efficiency of the debris barrier in actual operation is obtained.

[0037] Step S103: Based on the pre-constructed second conversion relationship, the resultant tension force is converted into the actual blockage rate of the debris barrier net; the second conversion relationship represents the correspondence between the resultant tension force and the blockage rate under the type of debris barrier net.

[0038] The actual clogging rate of the debris-blocking net is used to quantify the severity of clogging by marine organisms or debris. The actual clogging rate directly reflects the current health status of the net. A higher clogging rate means poorer flow capacity, greater water flow tension on the net, and a greater need for cleaning. By acquiring the clogging rate in real time, maintenance personnel can accurately determine when and which location of the debris-blocking net needs to be cleaned, avoiding excessive investment of manpower and resources and preventing missing the optimal cleaning opportunity.

[0039] Specifically, during the conversion, the corresponding conversion model is first determined based on whether the debris-blocking net is a planar net or a net-like net. Then, combined with environmental parameters such as current water flow and water level, as well as the tension benchmark in the empty net state, the resultant tension force monitored in real time is substituted into the model to directly calculate the actual blockage rate of the net surface.

[0040] Step S104: Establish the correspondence between the actual interception efficiency and the actual blockage rate, and evaluate the interception and blockage status of the debris barrier under the real-time monitored resultant force based on the correspondence.

[0041] Specifically, during the assessment, the real-time monitored resultant tension force is used as a common reference point, and the interception efficiency and congestion rate calculated under the same tension value are paired and correlated. Thus, when any measured resultant tension force is obtained, it is possible to simultaneously read out how much interception effect the current net has achieved and how severe the congestion is, thereby comprehensively judging whether the net is working normally, needs cleaning, or has failed.

[0042] The method for assessing the blockage status of the debris barrier provided in this embodiment establishes a direct correspondence between the real-time monitored tensile force and the blockage rate by converting them into interception efficiency and blockage rate. This eliminates the need to rely on manual experience or difficult-to-implement methods such as image recognition and sonar detection. It allows for real-time determination of the blockage status corresponding to different interception efficiencies during operation, providing a quantitative basis for maintenance operations such as debris removal and cleaning. This solves the problem that existing technologies cannot determine the blockage status corresponding to different interception efficiencies of the debris barrier in actual operation.

[0043] This embodiment provides a method for assessing the clogging status of a debris-blocking net, which can be used in the aforementioned electronic equipment. Figure 2 This is a flowchart of a method for assessing the clogging status of a debris-blocking net according to an embodiment of the present invention, such as... Figure 2 As shown, the process includes the following steps: Step S201: Obtain the resultant tension of the debris barrier net under actual operating conditions.

[0044] Specifically, step S201 includes: Step a: Under actual operating conditions, collect the tension data of each mooring point of the debris barrier; the debris barrier is used for nuclear power plant water intake; add up the tension data of each mooring point to obtain the resultant tension of the debris barrier.

[0045] Specifically, when deploying mooring point tension sensors on the debris-blocking net, such as... Figure 4 As shown. The tension at the mooring points of the debris-blocking net is monitored when hazardous materials invade the net. The resultant tension is obtained by adding the tension values ​​at each mooring point. Figure 4 In the diagram, numbers 1 to 8 all indicate mooring point tension sensors.

[0046] Step S202: Based on the pre-constructed first conversion relationship, the resultant force of the debris barrier net is converted into the actual interception efficiency of the debris barrier net.

[0047] Specifically, the formula for converting the actual interception efficiency of the pollution barrier net is defined as follows: (1); in, To intercept weight, This represents the total amount of intrusive and destructive materials.

[0048] Step S202 above includes: Step S2021: Identify the type of intruding hazardous material and the type of netting used in the current debris-blocking net; obtain the water parameters of the current operating environment and the total amount of intruding hazardous material.

[0049] For example, the types of pests currently causing intrusion include seaweed invasion and shrimp invasion, and the types of nets currently used for intercepting pollution include flat nets and net bags.

[0050] The water parameters of the current operating environment include the water level, flow velocity, and wave parameters. The Reynolds number is calculated using the water level, flow velocity, and wave parameters of the current operating environment.

[0051] The total amount of intrusive and hazardous materials can be obtained in real time through upstream monitoring equipment, by extrapolating based on historical data and real-time parameters, by setting up physical model experiments, or by inverse calculation based on mass conservation.

[0052] Step S2022: Based on the type of disaster-causing object, the type of net, and the water parameters of the current operating environment, match the first conversion relationship to calculate the interception weight of the debris-blocking net; based on the interception weight and the total amount of intruding disaster-causing objects, obtain the actual interception efficiency of the debris-blocking net.

[0053] In an optional implementation, step S2022 includes: Step b: Obtain the resultant tension force of the debris barrier net in the empty net state; calculate the difference between the resultant tension force and the resultant tension force in the empty net state, and calculate the net tension force generated by the debris being attached to the net based on the difference; calculate the interception weight of the debris barrier net based on the net tension force and the first conversion relationship.

[0054] For example, the invasion of seaweed and shrimp, as well as the use of flat nets and net bags, are explained separately: I. Conversion method between the amount of seaweed intercepted and the resultant force of the mooring point pull, including: In response to the invasion of *Ulva prolifera*, the resultant tension at the mooring point of a 10mm aperture planar mesh... The relationship between the weight of *Ulva prolifera* intercepted by the debris-blocking net and the weight of *Ulva prolifera* is calculated using the following formula: (2); Resultant force of mooring point on 50mm aperture planar mesh The relationship between the weight of *Ulva prolifera* intercepted by the debris-blocking net and the weight of *Ulva prolifera* is calculated using the following formula: (3); 5mm aperture netting mooring point tension resultant force The relationship between the weight of *Ulva prolifera* intercepted by the debris-blocking net and the weight of *Ulva prolifera* is calculated using the following formula: (4); 2mm aperture netting mooring point tension resultant force The relationship between the weight of *Ulva prolifera* intercepted by the debris-blocking net and the weight of *Ulva prolifera* is calculated using the following formula: (5); in, The resultant force of tension in the empty net state. The weight of the seaweed intercepted by the pollution-blocking net. , The mass of the intercepted seaweed is given by g, where g is the acceleration due to gravity. Water level, The height of the debris-blocking net. Let be the Reynolds number, where , The vertical average velocity, This represents the maximum velocity of water particles in the middle of the water depth caused by waves. It is kinematic viscosity.

[0055] II. Conversion method for shrimp interception volume and mooring point pull force, including: In response to the invasion of krill, the resultant pulling force at the mooring point of a 10mm aperture planar net... The relationship between the weight of shrimp intercepted by the debris-blocking net and the net weight is calculated using the following formula: (6); 5mm aperture netting mooring point tension resultant force The relationship between the weight of shrimp intercepted by the debris-blocking net and the net weight is calculated using the following formula: (7); 2mm aperture netting mooring point tension resultant force The relationship between the weight of shrimp intercepted by the debris-blocking net and the net weight is calculated using the following formula: (8); in, The weight of the shrimp intercepted by the debris-blocking net. , To represent the mass of the intercepted shrimp, g is the acceleration due to gravity. Water level, The height of the debris-blocking net. Let be the Reynolds number, where , The vertical average velocity, This represents the maximum velocity of water particles in the middle of the water depth caused by waves. It is kinematic viscosity.

[0056] Step S203: Based on the pre-constructed second conversion relationship, the resultant tension force is converted into the actual blockage rate of the debris barrier net; the second conversion relationship represents the correspondence between the resultant tension force and the blockage rate under the type of debris barrier net.

[0057] Specifically, when the net type is a planar net, the actual blockage rate is the ratio of the blocked area to the total area of ​​the planar net; when the net type is a net with a sling, the actual blockage rate is the ratio of the blocking length to the total length of the net with the sling.

[0058] The actual congestion rate of the planar network is as follows: Figure 5 As shown: ,in, For the area of ​​blockage, The area is the planar mesh area.

[0059] The actual congestion rate of the net bag is as follows: Figure 6 As shown: ,in, The length of the tape used to seal the mesh opening from the tail end. The length of the net. Specifically, step S203 includes: Step S2031: Identify the type of the current debris-blocking net; obtain the water parameters of the current operating environment and the resultant tension force in the empty net state.

[0060] The types of nets include planar nets and net bags. The water parameters of the current operating environment include the water level, flow velocity, and wave parameters of the current operating environment. The Reynolds number is calculated based on the water level, flow velocity, and wave parameters of the current operating environment.

[0061] Step S2032: Based on the net type, water parameters, and the resultant tension force in the empty net state, the second conversion relationship is matched to calculate the actual blockage rate of the debris-blocking net.

[0062] For example, the following descriptions are given for planar nets and net bags respectively: The formulas for the resultant force of the mooring point tension for planar nets (10mm and 50mm apertures) and net bags (5mm and 2mm) under different blockage rates during biological invasion are as follows: (9); For a 10mm aperture planar mesh, the clogging rate , For the area of ​​blockage, For a 10mm aperture planar mesh area, Water level, For the height of the debris screen, . Let be the Reynolds number, where , The vertical average velocity, This represents the maximum velocity of water particles in the middle of the water depth caused by waves. It is kinematic viscosity.

[0063] coefficient It can be calculated using the following formula: (10); (11); (12); (13); (14); For a 50mm aperture planar mesh, the clogging rate , For the area of ​​blockage, For a 50mm aperture planar mesh area, the coefficient is... It can be calculated using the following formula: (15); (16); (17); (18); (19); For a 5mm aperture mesh bag, the blocking length ratio , The length from the tail to the mesh opening is the sealing length. The length of the 5mm aperture mesh bag, coefficient It can be calculated using the following formula: (20); (twenty one); (twenty two); (twenty three); (twenty four); For a 2mm aperture mesh bag, the blocking length ratio , The length of the tape used to seal the mesh opening from the tail end. The length of the 5mm aperture mesh bag, coefficient It can be calculated using the following formula: (25); (26); (27); (28); (29).

[0064] Step S204: Establish the correspondence between the actual interception efficiency and the actual blockage rate, and evaluate the interception and blockage status of the debris barrier under the real-time monitored resultant force based on the correspondence.

[0065] Specifically, using the resultant force of the pulling force as an intermediate value, the actual interception efficiency is correlated with the actual congestion rate, establishing a correspondence between the actual interception efficiency and the actual congestion under the same resultant force value.

[0066] For example, the resultant force of the pulling force at the mooring point of the net The principle of equality, that is or It can establish the actual interception rate of disaster-causing materials. Compared with actual congestion rate (Plane network) or The correspondence between (net bags).

[0067] The method for assessing the blockage status of a trash can in this embodiment establishes a correlation between the trash can's interception efficiency and its blockage rate by utilizing the resultant tension force of the trash can. This provides a method for calculating the blockage rate of a trash can corresponding to its interception efficiency in nuclear power plant water intake. Furthermore, the tension sensor in this embodiment is simple to install, easy to integrate, and readily implements and integrates sensing and monitoring, resulting in low purchase, installation, and maintenance costs. Monitoring and assessing the blockage status of the trash can by monitoring the resultant tension force is simpler to operate, less economical, and easier to promote and apply compared to methods such as sonar and image recognition.

[0068] This embodiment also provides an assessment device for the clogging status of a debris-blocking net. This device is used to implement the above embodiments and preferred embodiments, and details already described will not be repeated. As used below, the term "module" can refer to a combination of software and / or hardware that performs a predetermined function. Although the device described in the following embodiments is preferably implemented in software, hardware implementation, or a combination of software and hardware, is also possible and contemplated.

[0069] This embodiment provides a device for assessing the clogging status of a debris-blocking net, such as... Figure 7 As shown, it includes: The tensile force acquisition module 701 is used to acquire the tensile force of the debris barrier net under actual operating conditions.

[0070] The actual interception efficiency conversion module 702 is used to convert the resultant tension force into the actual interception efficiency of the debris barrier net based on a pre-built first conversion relationship; the first conversion relationship represents the correspondence between the resultant tension force and the interception efficiency under the intrusion of the disaster-causing object and the type of netting used for the debris barrier net.

[0071] The actual blockage rate conversion module 703 is used to convert the resultant tension force into the actual blockage rate of the debris barrier based on a pre-built second conversion relationship; the second conversion relationship represents the correspondence between the resultant tension force and the blockage rate under the type of debris barrier.

[0072] The blockage status assessment module 704 is used to establish the correspondence between the actual interception efficiency and the actual blockage rate, and to assess the interception status and blockage status of the debris barrier under the real-time monitored resultant force based on the correspondence.

[0073] In some alternative implementations, the resultant force acquisition module 701 includes: The tension resultant force calculation unit is used to collect tension data at each mooring point of the trash rack under actual operating conditions; the trash rack is used for nuclear power plant water intake; the tension data of each mooring point are added together to obtain the resultant tension force of the trash rack.

[0074] In some optional implementations, the actual interception efficiency conversion module 702 includes: The first type of identification unit is used to identify the type of the current intruding object and the type of the current debris-blocking net.

[0075] The first data acquisition unit is used to acquire the water parameters of the current operating environment and the total amount of intrusive disaster-causing substances.

[0076] The interception weight calculation unit is used to calculate the interception weight of the debris-blocking net by matching the first conversion relationship based on the type of disaster-causing object, the type of net, and the water parameters of the current operating environment.

[0077] The interception efficiency calculation unit is used to obtain the actual interception efficiency of the pollution barrier based on the intercepted weight and the total amount of intrusive and harmful materials.

[0078] In some alternative implementations, the intercept weight calculation unit includes: The interception weight calculation subunit is used to obtain the resultant tension force of the debris barrier net in the empty net state; calculate the difference between the resultant tension force and the resultant tension force in the empty net state, and calculate the net tension force generated by the debris being attached to the net based on the difference; and calculate the interception weight of the debris barrier net based on the net tension force and the first conversion relationship.

[0079] In some optional implementations, the actual congestion rate conversion module 703 includes: The second type of identification unit is used to identify the type of netting used in the current debris-blocking net.

[0080] The second data acquisition unit is used to acquire the water parameters of the current operating environment and the resultant tension force under empty network conditions.

[0081] The blockage rate calculation unit is used to calculate the actual blockage rate of the debris-blocking net based on the net type, water parameters, and the resultant tension force in the empty net state, by matching the second conversion relationship.

[0082] In some alternative implementations, the net types include planar nets and net bags; the blockage rate calculation unit includes: The first congestion rate calculation subunit is used when the net type is a planar net, and the actual congestion rate is the ratio of the congested area to the total area of ​​the planar net.

[0083] The second blockage rate calculation subunit is used when the net type is a net bag net, and the actual blockage rate is the ratio of the blocking length to the total length of the net bag net.

[0084] In some alternative implementations, the congestion status assessment module 704 includes: The correspondence establishment unit is used to associate the actual interception efficiency with the actual congestion rate using the resultant force of the pulling force as the intermediate value, and to establish the correspondence between the actual interception efficiency and the actual congestion under the same resultant force value of the pulling force.

[0085] The device for assessing the blockage status of a debris-blocking net provided in this embodiment of the invention can execute the method for assessing the blockage status of a debris-blocking net provided in any embodiment of the invention, and has the corresponding functional modules and beneficial effects for executing the method. Further functional descriptions of the various modules and units described above are the same as in the corresponding embodiments described above, and will not be repeated here.

[0086] Figure 8 This is a schematic diagram of the structure of an electronic device provided in an embodiment of the present invention.

[0087] The following is a detailed reference. Figure 8 This diagram illustrates a suitable structural schematic for implementing an electronic device according to embodiments of the present invention. The electronic device may include a processor (e.g., a central processing unit, graphics processor, etc.) 801, which can perform various appropriate actions and processes based on a program stored in read-only memory (ROM) 802 or a program loaded from memory 808 into random access memory (RAM) 803. The RAM 803 also stores various programs and data required for the operation of the electronic device. The processor 801, ROM 802, and RAM 803 are interconnected via a bus 804. An input / output (I / O) interface 805 is also connected to the bus 804.

[0088] Typically, the following devices can be connected to I / O interface 805: input devices 806 including, for example, touchscreens, touchpads, keyboards, mice, cameras, microphones, accelerometers, gyroscopes, etc.; output devices 807 including, for example, liquid crystal displays (LCDs), speakers, vibrators, etc.; memory devices 808 including, for example, magnetic tapes, hard disks, etc.; and communication devices 809. Communication device 809 allows electronic devices to communicate wirelessly or wiredly with other devices to exchange data. Although Figure 8 Electronic devices with various devices are shown, but it should be understood that it is not required to implement or have all of the devices shown, and more or fewer devices may be implemented or have instead.

[0089] In particular, according to embodiments of the present invention, the processes described above with reference to the flowcharts can be implemented as computer software programs. For example, embodiments of the present invention include a computer program product comprising a computer program carried on a non-transitory computer-readable medium, the computer program containing program code for performing the methods shown in the flowcharts. In such embodiments, the computer program can be downloaded and installed from a network via a communication device 809, or installed from a memory 808, or installed from a ROM 802. When the computer program is executed by the processor 801, it performs the functions defined in the method for evaluating the blockage status of the debris-blocking net according to embodiments of the present invention.

[0090] Figure 8 The electronic device shown is merely an example and should not be construed as limiting the functionality and scope of use of the embodiments of the present invention.

[0091] This invention also provides a computer-readable storage medium. The methods described above according to embodiments of the invention can be implemented in hardware or firmware, or implemented as computer code that can be recorded on a storage medium, or implemented as computer code downloaded via a network and originally stored on a remote storage medium or a non-transitory machine-readable storage medium and then stored on a local storage medium. Thus, the methods described herein can be processed by software stored on a storage medium using a general-purpose computer, a dedicated processor, or programmable or dedicated hardware. The storage medium can be a magnetic disk, optical disk, read-only memory, random access memory, flash memory, hard disk, or solid-state drive, etc.; further, the storage medium can also include combinations of the above types of memory. It is understood that computers, processors, microprocessor controllers, or programmable hardware include storage components capable of storing or receiving software or computer code. When the software or computer code is accessed and executed by the computer, processor, or hardware, the method for assessing the blockage status of the debris-blocking net shown in the above embodiments is implemented.

[0092] A portion of this invention can be applied as a computer program product, such as computer program instructions, which, when executed by a computer, can invoke or provide the methods and / or technical solutions according to the invention through the operation of the computer. Those skilled in the art will understand that the forms in which computer program instructions exist in a computer-readable medium include, but are not limited to, source files, executable files, installation package files, etc. Correspondingly, the ways in which computer program instructions are executed by a computer include, but are not limited to: the computer directly executing the instructions, or the computer compiling the instructions and then executing the corresponding compiled program, or the computer reading and executing the instructions, or the computer reading and installing the instructions and then executing the corresponding installed program. Here, the computer-readable medium can be any available computer-readable storage medium or communication medium accessible to a computer.

[0093] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A method for assessing the clogging status of a debris-blocking net, characterized in that, The method includes: Obtain the resultant tensile force of the debris-blocking net under actual operating conditions; Based on a pre-constructed first conversion relationship, the resultant tensile force is converted into the actual interception efficiency of the debris-blocking net; the first conversion relationship characterizes the correspondence between the resultant tensile force and the interception efficiency under the intrusion of disaster-causing materials and the type of netting used in the debris-blocking net; Based on a pre-constructed second conversion relationship, the resultant tensile force is converted into the actual blockage rate of the debris barrier; the second conversion relationship represents the correspondence between the resultant tensile force and the blockage rate under the type of debris barrier. Establish the correspondence between the actual interception efficiency and the actual blockage rate, and evaluate the interception and blockage status of the debris barrier under the real-time monitored resultant force based on the correspondence.

2. The method according to claim 1, characterized in that, The acquisition of the resultant tensile force of the debris-blocking net under actual operating conditions includes: Under actual operating conditions, tension data at each mooring point of the debris barrier is collected; the debris barrier is used for nuclear power plant water intake. The resultant tension of the debris-blocking net is obtained by adding the tension data of each mooring point.

3. The method according to claim 1, characterized in that, The process of converting the resultant tensile force into the actual interception efficiency of the debris-blocking net, based on a pre-established first conversion relationship, includes: Identify the type of the intruding object and the type of the current debris-blocking net; Obtain the water parameters of the current operating environment and the total amount of intrusive and disaster-causing substances; Based on the type of the disaster-causing object, the type of the netting, and the water parameters of the current operating environment, the interception weight of the debris-blocking net is calculated by matching the first conversion relationship. The actual interception efficiency of the pollution barrier is obtained based on the intercepted weight and the total amount of intrusive and harmful materials.

4. The method according to claim 3, characterized in that, The calculated interception weight of the debris-blocking net includes: Obtain the resultant tension force of the trash can net when it is empty; Calculate the difference between the resultant tension force and the resultant tension force in the empty net state, and calculate the net tension force generated by the netting of the disaster-causing object based on the difference; Based on the net tensile force and the first conversion relationship, the interception weight of the debris-blocking net is calculated.

5. The method according to claim 1, characterized in that, The conversion of the resultant tensile force into the actual blockage rate of the debris-blocking net, based on a pre-built second conversion relationship, includes: Identify the type of netting used in the current debris-blocking net; Obtain the water parameters of the current operating environment and the resultant tension force under empty net conditions; Based on the type of net, the water parameters, and the resultant tension in the empty net state, the actual blockage rate of the debris-blocking net is calculated by matching the second conversion relationship.

6. The method according to claim 5, characterized in that, The types of nets include flat nets and bag nets; The calculation of the actual blockage rate of the debris-blocking net includes: When the type of net is a planar net, the actual blockage rate is the ratio of the blocked area to the total area of ​​the planar net; When the type of net is a net bag, the actual blockage rate is the ratio of the blocking length to the total length of the net bag.

7. The method according to claim 1, characterized in that, Establishing the correspondence between the actual interception efficiency and the actual congestion rate includes: Using the resultant force of the pulling force as an intermediate value, the actual interception efficiency is correlated with the actual blockage rate, and a correspondence between the actual interception efficiency and the actual blockage under the same resultant force value is established.

8. A device for assessing the clogging status of a debris-blocking net, characterized in that, The device includes: The resultant tension force acquisition module is used to acquire the resultant tension force of the trash can net under actual operating conditions; The actual interception efficiency conversion module is used to convert the resultant tension force into the actual interception efficiency of the debris barrier based on a pre-constructed first conversion relationship; the first conversion relationship represents the correspondence between the resultant tension force and the interception efficiency under the intrusion of the disaster-causing object and the type of debris barrier. The actual blockage rate conversion module is used to convert the resultant tension force into the actual blockage rate of the debris barrier based on a pre-built second conversion relationship; the second conversion relationship represents the correspondence between the resultant tension force and the blockage rate under the type of debris barrier. The blockage status assessment module is used to establish the correspondence between the actual interception efficiency and the actual blockage rate, and to assess the interception status and blockage status of the debris barrier under the real-time monitored resultant force based on the correspondence.

9. An electronic device, characterized in that, include: A memory and a processor are communicatively connected, the memory storing computer instructions, and the processor executing the computer instructions to perform the method for assessing the blockage status of the debris-blocking net as described in any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer instructions for causing the computer to execute the method for assessing the blockage status of the debris-blocking net as described in any one of claims 1 to 7.

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