An electric valve operation method and system based on real-time data analysis

Abstract

The application relates to an electric valve operation method and system based on real-time data analysis, and relates to the field of valve control, which comprises the following steps: step 100, collecting a valve image; step 101, identifying a fatigue degree from the valve image, and calling a valve position based on the valve image; step 102, generating a fatigue distribution map in combination with the fatigue degree and the valve position; step 103, determining a flow upper limit map in response to the fatigue distribution map, and calling a valve opening degree based on the valve position; step 104, determining a coefficient distribution map according to the valve opening degree and the valve position, and collecting an input flow; step 105, generating a flow distribution map in combination with the coefficient distribution map and the input flow; step 106, comparing the flow distribution map and the flow upper limit map to determine an over-limit position; and step 107, generating and displaying a valve deterioration warning based on the over-limit position. The application has the effects of improving the stability of electric valve operation and timely detecting damaged electric valves.

Description

Technical Field

[0001] This invention relates to the field of valve control, and in particular to an electric valve operation method and system based on real-time data analysis. Background Technology

[0002] Electric valves are industrial control components that are driven by an electric motor to control the opening, closing, or flow regulation of the valve.

[0003] In the existing technology, a fluid control system generally includes multiple electric valves. The fluid delivery is controlled by controlling the opening and closing of different electric valves. Electric valves are prone to aging and damage with use, which can lead to the failure of the fluid control system. Therefore, it is generally necessary to regularly inspect the electric valves to detect and repair damaged electric valves in a timely manner.

[0004] Different electric valves are used in different conditions, resulting in different degrees of aging. The efficiency of inspecting every electric valve in the fluid control system is too low, making it difficult to detect damage to electric valves in a timely manner. Summary of the Invention

[0005] To improve the stability of electric valve operation and to detect damaged electric valves in a timely manner, this invention provides an electric valve operation method and system based on real-time data analysis.

[0006] In a first aspect, the present invention provides an electric valve operation method based on real-time data analysis, employing the following technical solution:

[0007] An electric valve operation method based on real-time data analysis includes:

[0008] Step 100: Acquire valve image;

[0009] Step 101: Identify the fatigue level from the valve image and retrieve the valve position based on the valve image;

[0010] Step 102: Generate a fatigue distribution map by combining the fatigue level and valve location;

[0011] Step 103: Determine the upper limit flow rate map in response to the fatigue distribution map, and retrieve the valve opening based on the valve position;

[0012] Step 104: Determine the coefficient distribution diagram based on the valve opening and valve position, and collect the input flow rate;

[0013] Step 105: Generate a flow distribution map by combining the coefficient distribution map and the input flow rate;

[0014] Step 106: Compare the flow distribution map and the flow limit map to determine the location of the exceedance;

[0015] Step 107: Generate and display a valve deterioration warning based on the over-limit position.

[0016] By adopting the above technical solution, the appearance of electric valves can be detected in real time to determine their fatigue status. Based on the fatigue status of the electric valves, the maximum flow rate that each valve can withstand can be matched, thereby extracting the over-limit positions where the real-time flow rate exceeds the maximum flow rate as electric valves that are about to fail, thus improving the operational stability of electric valves.

[0017] Optional, also includes:

[0018] Step 108: Determine the excess flow rate from the flow rate limit diagram based on the excess location;

[0019] Step 109: Retrieve the upstream location and upstream flow from the flow distribution map based on the exceeded location;

[0020] Step 110: Determine the adjustment coefficient based on the upstream flow rate and the excess flow rate;

[0021] Step 111: Determine the adjustment opening degree based on the adjustment coefficient;

[0022] Step 112: Open or close the valve at the upstream position according to the adjusted opening degree.

[0023] By adopting the above technical solution, when the real-time flow exceeds the maximum flow, the upstream position of the valve controlling the fluid flow to the over-limit position is located, and an appropriate adjustment opening is selected according to the flow control relationship between the electric valves, thereby controlling the electric valve at the upstream position to open and close according to the adjustment opening to reduce the flow at the over-limit position, thereby improving the stability of the electric valve operation.

[0024] Optionally, the method for determining the coefficient distribution map includes:

[0025] Step 113: Determine the opening difference based on the valve opening degree;

[0026] Step 114: When the opening difference is greater than the preset fluctuation threshold, determine the downstream position based on the valve position;

[0027] Step 115: Collect real-time flow rate based on the downstream location, and retrieve the initial flow rate based on the valve location;

[0028] Step 116: Calculate the quotient of the real-time traffic and the initial traffic, and define it as the traffic coefficient;

[0029] Step 117: Generate a coefficient curve based on the flow coefficient and valve opening degree;

[0030] Step 118: Update the coefficient distribution map in response to the coefficient curve.

[0031] By adopting the above technical solution, when the valve opening changes, the flow control relationship between electric valves is updated according to the real-time flow change, thereby reducing the changes in the flow control relationship after the electric valves age and improving the accuracy of valve opening adjustment.

[0032] Optionally, it also includes a congestion handling method, the congestion handling method comprising:

[0033] Step 200: Determine the location of the slow flow by combining the flow distribution map and real-time flow;

[0034] Step 201: Determine the slowing flow rate and slowing ratio based on the slowing location;

[0035] Step 202: When the slowdown ratio is less than the preset blockage threshold, determine the adjustment flow rate by combining the slowdown flow rate and the slowdown ratio;

[0036] Step 203: Identify the location of the water source from the flow distribution map based on the adjusted flow rate;

[0037] Step 204: Determine the valve opening stroke based on the slow flow location and water source location;

[0038] Step 205: Open the valve between the slow-flow position and the water source position according to the valve opening stroke.

[0039] By adopting the above technical solution, when the flow rate through the valve is too low, it is determined that the flow channel is blocked. At this time, the blockage of the valve is predicted according to the decrease in flow rate, and the adjustment flow rate that can clear the blockage is selected according to the blockage. This controls the opening and closing of the corresponding electric valve to control the fluid to clear the blockage, thereby improving the stability of the electric valve operation.

[0040] Optionally, the blockage handling method further includes:

[0041] Step 206: Identify the water source flow rate from the flow distribution map based on the water source location;

[0042] Step 207: Determine the retarding coefficient by combining the water source flow rate and the adjusted flow rate;

[0043] Step 208: Determine the deceleration opening degree based on the deceleration coefficient;

[0044] Step 209: Update the valve opening stroke in response to the slow opening degree, and identify the damaged location from the flow upper limit diagram based on the adjusted flow rate, water source location, and slow position;

[0045] Step 210: Generate and display a valve damage alarm based on the location of the damage.

[0046] By adopting the above technical solution, when a blockage occurs, the nearest water source with a flow rate not less than the adjusted flow rate is selected upstream of the blockage location. The electric valve at that location is then controlled to open and close according to the flow rate at the water source location so that the flow rate is exactly equal to the adjusted flow rate. At the same time, valve locations that are prone to damage between the water source location and the slow-moving location are identified, thereby reducing the possibility of valve damage due to increased pressure along with the flow rate and improving the stability of electric valve operation.

[0047] Optionally, the blockage handling method further includes:

[0048] Step 211: Determine the number of valves to be opened based on the valve opening stroke;

[0049] Step 212: Determine the uniformity coefficient by combining the water source flow rate, the adjusted flow rate, and the number of valves opened;

[0050] Step 213: Determine the valve opening position based on the valve opening stroke;

[0051] Step 214: Update the slow opening degree based on the valve opening position and uniformity coefficient.

[0052] By adopting the above technical solution, adjusting the opening of the electric valve at the water source position alone can easily lead to excessive pressure on the valve at that position. In this case, controlling all electric valves from the water source position to the slow position to adjust their openings evenly can adjust the flow rate in multiple stages, thereby reducing the possibility of damage caused by excessive flow rate adjustment of the valves.

[0053] Optionally, it also includes a freezing method, the freezing method comprising:

[0054] Step 300: When the slowdown ratio is less than the preset blockage threshold, collect the ambient temperature;

[0055] Step 301: If the ambient temperature is lower than the preset freezing threshold, determine the slow flow length based on the slow flow location;

[0056] Step 302: Determine the freezing volume by combining the slowing ratio and the slowing length;

[0057] Step 303: In response to the generation of the frozen volume, a valve freeze alarm is displayed.

[0058] By adopting the above technical solution, when blockage occurs, the ambient temperature is monitored in real time. This allows for the determination of freezing within the flow channel when the ambient temperature is low. The freezing situation within the flow channel is then predicted based on the decrease in flow rate, and staff are promptly notified to handle the freezing, thereby improving the stability of the electric valve's operation.

[0059] Optionally, the freezing method further includes:

[0060] Step 304: If the ambient temperature is lower than the preset freezing threshold, retrieve the slow flow path based on the slow flow location;

[0061] Step 305: Generate a flow velocity distribution map based on the slow-flow path;

[0062] Step 306: Identify stagnation areas from the velocity distribution map;

[0063] Step 307: Determine the freeze distribution in response to the retention area and the frozen volume;

[0064] Step 308: Update the valve freeze alarm according to the freeze distribution.

[0065] By adopting the above technical solution, the flow velocity of the fluid can easily change with the shape of the channel. When freezing occurs, the flow velocity of the fluid in the channel is matched according to the shape of the channel, and the area with lower flow velocity is selected as the stagnation area that is prone to freezing. Then, the distribution of ice in the stagnation area is predicted according to the freezing situation.

[0066] Optionally, the freezing method further includes:

[0067] Step 309: If the ambient temperature is lower than the preset freezing threshold, determine the temperature fluctuation line in response to the ambient temperature;

[0068] Step 310: Extract the freezing curve from the temperature fluctuation line;

[0069] Step 311: Determine the freezing rate in response to the freezing curve;

[0070] Step 312: Determine the separation frequency based on the ambient temperature and freezing rate;

[0071] Step 313: Generate the separation path by combining the separation frequency and the freezing distribution;

[0072] Step 314: Control the preset vibration device to break up the ice in the pipe according to the separation stroke.

[0073] By adopting the above technical solution, the density of ice blocks varies at different temperatures. The density of the densest ice blocks in the flow channel is assessed according to the changes in ambient temperature, thereby selecting a suitable vibration frequency to break up the ice blocks in the flow channel and improving the stability of the electric valve operation.

[0074] Secondly, this application provides an electric valve operation system based on real-time data analysis, employing the following technical solution:

[0075] An electric valve operation system based on real-time data analysis includes:

[0076] The data acquisition module is used to acquire valve images, input flow rate, real-time flow rate, and ambient temperature.

[0077] A memory for storing the program of any of the above-mentioned electric valve operation methods based on real-time data analysis;

[0078] The processor is the unit of memory that allows programs to be loaded and executed by the processor.

[0079] By adopting the above technical solution, the appearance of electric valves can be detected in real time to determine their fatigue status. Based on the fatigue status of the electric valves, the maximum flow rate that each valve can withstand can be matched, thereby extracting the over-limit positions where the real-time flow rate exceeds the maximum flow rate as electric valves that are about to fail, thus improving the operational stability of electric valves.

[0080] In summary, this application includes at least one of the following beneficial technical effects:

[0081] 1. Real-time monitoring of the appearance of electric valves to determine their fatigue status, and matching the maximum flow rate that each valve can withstand based on its fatigue status. This allows for the identification of over-limit locations where the real-time flow rate exceeds the maximum flow rate as electric valves that are about to fail, thereby improving the operational stability of electric valves.

[0082] 2. When the real-time flow exceeds the maximum flow, locate the upstream position of the valve that controls the fluid flow to the over-limit position, and select an appropriate adjustment opening according to the flow control relationship between the electric valves, thereby controlling the electric valve at the upstream position to open and close according to the adjustment opening to reduce the flow at the over-limit position, thereby improving the stability of the electric valve operation.

[0083] 3. When the valve opening changes, the flow control relationship between the electric valves is updated according to the real-time flow change, thereby reducing the changes in the flow control relationship after the electric valves age and improving the accuracy of valve opening adjustment. Attached Figure Description

[0084] Figure 1 It is an electric valve operation method based on real-time data analysis;

[0085] Figure 2 It is a method for handling blockages;

[0086] Figure 3 It is a freezing process. Detailed Implementation

[0087] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0088] Reference Figure 1 An electric valve operation method based on real-time data analysis includes:

[0089] Step 100: Acquire valve image.

[0090] Valve images refer to microstructural images obtained by scanning the surface of key mechanical components of electric valves using a high-resolution scanning electron microscope. The method of acquiring valve images is selected by the staff according to the actual situation, and will not be elaborated here.

[0091] Step 101: Identify the fatigue level from the valve image and retrieve the valve position based on the valve image.

[0092] Fatigue level refers to a numerical value used to demonstrate the damage condition of an electric valve. Fatigue cracks can be identified and fatigue level calculated by processing valve images using crack recognition technology. The method for identifying fatigue level is common knowledge to those in the field and will not be elaborated here.

[0093] Valve position refers to the location information of the electric valve. The valve position can be retrieved from the electron microscope that acquires the valve image. The method for retrieving the valve position is selected by the staff according to the actual situation, and will not be elaborated here.

[0094] Step 102: Generate a fatigue distribution map by combining the fatigue level and valve position.

[0095] A fatigue distribution map is a distribution map that shows the spatial distribution of fatigue levels. The fatigue level can be placed at the corresponding valve position to form a fatigue distribution map. The method of generating a fatigue distribution map is common knowledge to those in the field and will not be elaborated here.

[0096] Step 103: Determine the upper limit flow rate map in response to the fatigue distribution map, and retrieve the valve opening based on the valve position.

[0097] A flow limit chart is a distribution map showing the maximum flow rate that different electric valves can withstand. First, you can look up the flow limit corresponding to each fatigue level in the fatigue distribution map from the limit correspondence table. The greater the fatigue level, the smaller the flow limit. Then, place the flow limit on the corresponding valve position to form a flow limit chart. The limit correspondence table is a data table that records different fatigue levels and their corresponding flow limits.

[0098] Valve opening degree refers to the degree to which the valve core (or valve plate, valve disc) inside the valve is opened, that is, the percentage of opening of the electric valve. The method of retrieving the valve opening degree is common knowledge to those in the field and will not be elaborated here.

[0099] Step 104: Determine the coefficient distribution diagram based on the valve opening and valve position, and collect the input flow rate.

[0100] A coefficient distribution chart is a numerical representation of the flow control effect of each upstream valve on the downstream valve. The valve opening coefficient can be found in the coefficient correspondence table. The larger the valve opening, the larger the opening coefficient. The opening coefficient is then placed on the corresponding valve position to form the coefficient distribution chart.

[0101] Input flow rate refers to the flow rate input to the fluid control system, that is, the maximum flow rate to the electric valve. It can be obtained by detecting the real-time flow velocity through a flow velocity sensor, and then calculating the product of the real-time flow velocity and the flow channel cross-sectional area preset by the operator as the input flow rate. The method of collecting the input flow rate is selected by the operator according to the actual situation, and will not be elaborated here.

[0102] Step 105: Generate a flow distribution map by combining the coefficient distribution map and the input flow.

[0103] A flow distribution map is a map showing the flow rate through different electric valves. The product of the input flow rate and the opening coefficients in the coefficient distribution map can be calculated as the expected flow rate at the corresponding position. The expected flow rate is then placed at the corresponding valve position to form the flow distribution map.

[0104] Step 106: Compare the flow distribution map and the flow limit map to determine the location of the excess.

[0105] The over-limit position refers to the location information of an electric valve where the expected flow rate is greater than the upper limit of the flow rate. The over-limit position can be selected by comparing the flow rate values ​​in the flow distribution diagram and the upper limit flow rate diagram. The method for determining the over-limit position is common knowledge to those in the field and will not be elaborated here.

[0106] Step 107: Generate and display a valve deterioration warning based on the over-limit position.

[0107] Valve deterioration warning is a message used to notify workers of the location of valves that are prone to damage. The method for generating valve deterioration warnings is common knowledge in the field and will not be elaborated here.

[0108] The appearance of electric valves is monitored in real time to determine their fatigue status. Based on the fatigue status, the maximum flow rate that each valve can withstand is matched, and the over-limit positions where the real-time flow rate exceeds the maximum flow rate are identified as electric valves that are about to fail, thereby improving the operational stability of electric valves.

[0109] An electric valve operation method based on real-time data analysis further includes:

[0110] Step 108: Determine the excess flow rate from the flow rate limit map based on the excess location.

[0111] Exceeded flow rate refers to the maximum flow rate of a location that exceeds the limit. The method for determining the exceeded flow rate is common knowledge among those in the field and will not be elaborated here.

[0112] Step 109: Retrieve the upstream location and upstream flow from the flow distribution map based on the over-limit location.

[0113] The upstream position refers to the position of the electric valve located upstream of the over-limit position, that is, the position of the electric valve that controls the flow to the over-limit position. The method for determining the upstream position is common knowledge to those in the field and will not be elaborated here.

[0114] Upstream flow refers to the maximum flow rate that can be passed through the electric valve at the upstream location, i.e., the expected flow rate at the upstream location in the flow distribution diagram. The method for determining upstream flow rate is common knowledge to those skilled in the art and will not be elaborated here.

[0115] Step 110: Determine the adjustment coefficient by combining the upstream flow and the excess flow.

[0116] The adjustment factor refers to the value that indicates the flow rate that needs to be adjusted for the electric valve at the upstream position. It can be calculated as the quotient of the over-limit flow rate and the upstream flow rate.

[0117] Step 111: Determine the adjustment opening degree based on the adjustment coefficient.

[0118] Adjusting the opening degree refers to the valve opening degree required to make the flow rate through the over-limit position equal to that of the electric valve upstream of the over-limit flow rate. The adjustment degree corresponding to the adjustment coefficient can be found in the coefficient correspondence table.

[0119] Step 112: Open or close the valve at the upstream position according to the adjusted opening degree.

[0120] When the real-time flow exceeds the maximum flow, the upstream position of the valve controlling the fluid flow to the over-limit position is located, and an appropriate adjustment opening is selected according to the flow control relationship between the electric valves. This controls the electric valve at the upstream position to open and close according to the adjustment opening to reduce the flow at the over-limit position, thereby improving the stability of the electric valve operation.

[0121] Methods for determining coefficient distribution plots include:

[0122] Step 113: Determine the opening difference based on the valve opening degree.

[0123] The valve opening difference refers to the numerical value of the change in valve opening. The difference in valve opening can be calculated as the opening difference. The calculation method of the opening difference is common knowledge to those in the field and will not be elaborated here.

[0124] Step 114: When the opening difference is greater than the preset fluctuation threshold, determine the downstream position based on the valve position.

[0125] The fluctuation threshold refers to the minimum opening difference of a valve that has a significant effect on flow adjustment. Generally, 5% is used as the fluctuation threshold. The fluctuation threshold is selected by the operator based on the actual situation and will not be elaborated here. An opening difference greater than the fluctuation threshold means that changes in flow are easily observed with respect to the valve opening. The downstream position refers to the location information of the downstream electric valve. The method for determining the downstream position is common knowledge in this field and will not be elaborated here.

[0126] Step 115: Collect real-time flow rate based on the downstream location, and retrieve initial flow rate based on the valve location.

[0127] Real-time flow refers to the flow rate through an electric valve per unit time. Real-time flow can be collected by a flow sensor inside the electric valve. The method for collecting real-time flow is selected by the staff according to the actual situation, and will not be elaborated here.

[0128] The initial flow rate is the flow rate through the electric valve at the valve position. The initial flow rate can be retrieved from the flow distribution diagram. The method for retrieving the initial flow rate is common knowledge to those in the field and will not be elaborated here.

[0129] Step 116: Calculate the quotient of the real-time traffic and the initial traffic, and define it as the traffic coefficient.

[0130] The flow coefficient is a numerical value used to demonstrate how an electric valve regulates flow. The calculation method of the flow coefficient is common knowledge to those in the field and will not be elaborated here.

[0131] Step 117: Generate a coefficient curve based on the flow coefficient and valve opening.

[0132] A coefficient curve is a curve used to show how the flow coefficient changes with the valve opening. The coefficient curve can be obtained by fitting each valve opening and its corresponding flow coefficient, and then the coefficient correspondence table can be updated according to the coefficient curve. The method for determining the coefficient curve is common knowledge to those in the field and will not be elaborated here.

[0133] Step 118: Update the coefficient distribution map in response to the coefficient curve.

[0134] When the valve opening changes, the flow control relationship between the electric valves is updated according to the real-time flow change, thereby reducing the changes in the flow control relationship after the electric valves age and improving the accuracy of valve opening adjustment.

[0135] Reference Figure 2 The methods for handling blockages include:

[0136] Step 200: Determine the location of the slow flow by combining the flow distribution map and real-time flow.

[0137] Slow-flow locations refer to positions where the real-time flow is lower than the expected flow. Slow-flow locations can be determined by comparing the expected flow on the flow distribution map with the real-time flow collected from the corresponding locations. The method for determining slow-flow locations is common knowledge to those in the field and will not be elaborated here.

[0138] Step 201: Determine the slow flow rate and slow ratio based on the slow flow location.

[0139] Slow flow rate refers to the expected flow rate of an electric valve passing through a slow flow location. Slow ratio is a value used to show the reduction in flow rate. The more severe the reduction in flow rate, the smaller the slow ratio. The slow ratio can be calculated as the quotient of the real-time flow rate and the expected flow rate. The methods for determining slow flow rate and slow ratio are common knowledge to those skilled in the art and will not be elaborated here.

[0140] Step 202: When the slowdown ratio is less than the preset blockage threshold, determine the adjustment flow rate by combining the slowdown flow rate and the slowdown ratio.

[0141] The clogging threshold refers to the minimum deceleration ratio at which the flow rate is prone to fluctuation when fluid normally passes through an electric valve. The clogging threshold is selected by the operator based on the actual situation and will not be elaborated upon here. A deceleration ratio less than the clogging threshold indicates a more severe reduction in fluid flow, which may lead to clogging. The adjustment flow rate refers to the minimum flow rate required to clear the clogging. The corresponding adjustment ratio can be found in the adjustment correspondence table according to the deceleration ratio, and then the product of the deceleration flow rate and the adjustment ratio is calculated as the adjustment flow rate. The adjustment ratio refers to the minimum flow rate multiplier required to clear the clogging; the smaller the deceleration ratio, the larger the adjustment ratio. The adjustment correspondence table is a data table recording different deceleration ratios and their corresponding adjustment ratios.

[0142] Step 203: Identify the location of the water source from the flow distribution map based on the adjusted flow rate.

[0143] The water source location refers to the location information of the electric valve that is located upstream of the slow-flow location, closest to the slow-flow location, and whose expected flow rate is not less than the adjusted flow rate. The number of electric valves that are separated from the slow-flow location is used as the distance value between the slow-flow location and the slow-flow location. The method for determining the water source location is common knowledge to those in the field and will not be elaborated here.

[0144] Step 204: Determine the valve opening stroke based on the slow flow position and the water source position.

[0145] The valve opening stroke refers to the process of fully opening an electric valve from the water source position to the slow flow position to increase the flow rate at the slow flow position and thus clear blockages. The method for determining the valve opening stroke is common knowledge to those in the field and will not be elaborated here.

[0146] Step 205: Open the valve between the slow-flow position and the water source position according to the valve opening stroke.

[0147] When the flow rate through the valve is too low, it is determined that the flow channel is blocked. At this time, the blockage of the valve is predicted according to the decrease in flow rate, and the adjustment flow rate that can clear the blockage is selected according to the blockage. This controls the opening and closing of the corresponding electric valve to control the fluid to clear the blockage, thereby improving the stability of the electric valve operation.

[0148] Congestion handling methods also include:

[0149] Step 206: Identify the water source flow rate from the flow distribution map based on the location of the water source.

[0150] Water source flow rate refers to the expected flow rate through the electric valve at the water source location. The method for determining the water source flow rate is common knowledge to those in the field and will not be elaborated here.

[0151] Step 207: Determine the retarding coefficient by combining the water source flow rate and the adjusted flow rate.

[0152] The retarding factor refers to the scaling factor by which the water source flow rate is adjusted to the adjusted flow rate. In other words, the quotient of the adjusted flow rate and the water source flow rate is used as the retarding factor.

[0153] Step 208: Determine the deceleration opening degree based on the deceleration coefficient.

[0154] Slow opening refers to the valve opening degree at which the water flow rate is adjusted to the required level by using an electric valve at the water source location. The slow opening degree corresponding to the slow coefficient can be found in the coefficient correspondence table.

[0155] Step 209: Update the valve opening stroke in response to the slow opening degree, and identify the damaged location from the flow upper limit diagram based on the adjusted flow rate, water source location, and slow position.

[0156] The location of damage refers to the position of the electric valve that is prone to damage, that is, the position of the electric valve located between the water source position and the slow position and the upper limit of the flow rate is lower than the adjusted flow rate. The method for determining the location of damage is common knowledge to those in the field and will not be elaborated here.

[0157] Step 210: Generate and display a valve damage alarm based on the location of the damage.

[0158] A valve damage alarm is a notification to staff indicating the location of an electric valve that has been damaged due to a blockage. The method for generating a valve damage alarm is common knowledge to those in the field and will not be elaborated here.

[0159] When a blockage occurs, select the nearest upstream water source with a flow rate not less than the adjusted flow rate. Control the opening and closing of the electric valve at that location according to the flow rate at the water source to ensure that the flow rate is exactly equal to the adjusted flow rate. At the same time, identify the valve locations that are prone to damage between the water source and the slow-moving position, thereby reducing the possibility of valve damage due to increased pressure along with the flow rate and improving the stability of electric valve operation.

[0160] Congestion handling methods also include:

[0161] Step 211: Determine the number of valves to be opened based on the valve opening stroke.

[0162] The number of valves opened refers to the number of electric valves located between the water source position and the slow flow position. The number of valves opened includes electric valves located at the water source position but excludes electric valves located at the slow flow position. The method for determining the number of valves opened is common knowledge to those skilled in the art and will not be elaborated here.

[0163] Step 212: Determine the uniformity coefficient by combining the water source flow rate, the adjusted flow rate, and the number of valves opened.

[0164] The uniformity coefficient refers to the flow rate scaling factor required for each electric valve when uniformly adjusting the flow rate. It can be calculated using the formula: (Adjusted flow rate = Water source flow rate * Uniformity coefficient ^ Number of valves opened).

[0165] Step 213: Determine the valve opening position based on the valve opening stroke.

[0166] The valve opening position refers to the position of each electric valve that needs to be adjusted during the valve opening stroke. The method for determining the valve opening position is common knowledge to those in the field and will not be elaborated here.

[0167] Step 214: Update the slow opening degree based on the valve opening position and uniformity coefficient.

[0168] Adjusting only the opening of the electric valve at the water source location can easily lead to excessive pressure on the valve at that location. In this case, controlling all electric valves from the water source location to the slow-speed location to adjust their openings evenly can adjust the flow rate in multiple stages, thereby reducing the possibility of damage caused by excessive flow rate adjustment.

[0169] Reference Figure 3 Freezing methods include:

[0170] Step 300: When the slowdown ratio is less than the preset blockage threshold, collect the ambient temperature.

[0171] Ambient temperature refers to the real-time ambient temperature value, which can be collected by a temperature sensor installed inside the electric valve. The method of collecting ambient temperature is selected by the staff according to the actual situation, and will not be elaborated here.

[0172] Step 301: If the ambient temperature is lower than the preset freezing threshold, determine the slow flow length based on the slow flow location.

[0173] The freezing threshold refers to the maximum temperature at which fluid flowing through an electric valve is likely to freeze. The freezing threshold is selected by the operator based on the actual situation and will not be elaborated here. When the ambient temperature is lower than the freezing threshold, the fluid may freeze, resulting in a decrease in flow rate. The slow flow length refers to the length of the flow path from the upstream electric valve at the slow flow position to the slow flow position. The method for determining the slow flow length is selected by the operator based on the actual situation and will not be elaborated here.

[0174] Step 302: Determine the freezing volume by combining the slowing ratio and the slowing length.

[0175] The frozen volume refers to the volume of ice generated within the flow channel. A smaller slowing ratio indicates a more severe reduction in flow rate, while a larger slowing length indicates a lower impact of the same volume of ice on the flow rate, resulting in a larger frozen volume. The frozen volume corresponding to the slowing ratio and slowing length can be found in the frozen volume correspondence table, which is a data table that records different slowing ratios and slowing lengths and their corresponding frozen volumes.

[0176] Step 303: In response to the generation of the frozen volume, a valve freeze alarm is displayed.

[0177] A valve freeze alarm is a message used to notify staff of freezing conditions in a flow channel. The method for generating a valve freeze alarm is common knowledge in the field and will not be elaborated here.

[0178] When blockage occurs, the ambient temperature is monitored in real time to determine if freezing has occurred in the flow channel when the ambient temperature is low. At this time, the freezing situation in the flow channel is predicted according to the decrease in flow rate, and staff are notified in time to deal with the freezing, thereby improving the stability of electric valve operation.

[0179] Freezing methods also include:

[0180] Step 304: If the ambient temperature is lower than the preset freezing threshold, retrieve the slow flow path based on the slow flow location.

[0181] The slow-flow path refers to the shape of the flow channel from the upstream electric valve at the slow-flow position to the slow-flow position. The method for determining the slow-flow path is selected by the staff according to the actual situation, and will not be elaborated here.

[0182] Step 305: Generate a flow velocity distribution map based on the slow flow path.

[0183] A velocity distribution map refers to the velocity distribution of a fluid flowing in a slow-moving path. That is, the closer to the pipe wall, the lower the velocity. When there is a bend, the velocity is lower closer to the inside of the bend. The method of generating a velocity distribution map is common knowledge to those in the field and will not be elaborated here.

[0184] Step 306: Identify stagnation areas from the velocity distribution map.

[0185] The stagnation zone refers to the area with low flow velocity that is prone to freezing. The area with flow velocity below the stagnation threshold set by the staff in the flow velocity distribution map can be regarded as the stagnation zone. The stagnation threshold is selected by the staff according to the actual situation, which will not be elaborated here.

[0186] Step 307: Determine the freezing distribution in response to the retention area and the frozen volume.

[0187] Freeze distribution refers to the distribution of frozen ice blocks within the stagnant area, that is, the spread from the position with the lowest flow velocity to the position with the higher flow velocity until the total volume reaches the frozen volume. The method for determining the freeze distribution is selected by the staff according to the actual situation, and will not be elaborated here.

[0188] Step 308: Update the valve freeze alarm according to the freeze distribution.

[0189] The flow velocity of a fluid can easily change with the shape of the flow channel. When freezing occurs, the flow velocity of the fluid in the flow channel is matched according to the shape of the flow channel. The area with a lower flow velocity is selected as the stagnation area that is prone to freezing. Then, the distribution of ice in the stagnation area is predicted according to the freezing situation.

[0190] Freezing methods also include:

[0191] Step 309: If the ambient temperature is lower than the preset freezing threshold, determine the temperature fluctuation line in response to the ambient temperature.

[0192] A temperature fluctuation line is a curve of temperature change over time, composed of historical data of ambient temperature. The method for determining a temperature fluctuation line is common knowledge to those in the field and will not be elaborated here.

[0193] Step 310: Extract the freezing curve from the temperature fluctuation line.

[0194] The freezing curve is a curve extracted from the temperature fluctuation line from the moment when the ambient temperature is below the freezing threshold to the present. The method of extracting the freezing curve is common knowledge to those in the field and will not be elaborated here.

[0195] Step 311: Determine the freezing rate in response to the freezing curve.

[0196] Freezing rate refers to the rate of temperature change, which can be calculated as the derivative of the freezing curve with respect to time.

[0197] Step 312: Determine the separation frequency based on the ambient temperature and freezing rate.

[0198] A vibration device is a piece of equipment used to generate vibrations from outside the flow channel to break up the ice blocks inside. The vibration device is selected by the staff according to the actual situation and will not be elaborated here. The separation frequency is the frequency value required to break up the ice blocks by the vibration device. The lower the ambient temperature and the higher the freezing rate, the higher the separation frequency. The higher the freezing rate, the slower the rate at which the ambient temperature decreases. At this time, the rate of mass increase of the ice block per unit time is smaller, and the density of the ice block is greater. The separation frequency corresponding to the ambient temperature and freezing rate can be found in the separation correspondence table, which is a data table that records different ambient temperatures and freezing rates and their corresponding separation frequencies.

[0199] Step 313: Generate the separation path by combining the separation frequency and the freezing distribution.

[0200] The separation stroke refers to the process of controlling the vibration device to vibrate on the ice block with the highest density according to the separation frequency. The location of the ice block with the highest density can be identified from the frozen distribution. The method for determining the separation stroke is common knowledge to those in the field and will not be elaborated here.

[0201] Step 314: Control the preset vibration device to break up the ice in the pipe according to the separation stroke.

[0202] Ice blocks form at different densities at different temperatures. By assessing the density of the densest ice blocks in the flow channel based on changes in ambient temperature, a suitable vibration frequency can be selected to break up the ice blocks in the flow channel, thereby improving the stability of the electric valve operation.

[0203] Based on the same inventive concept, embodiments of the present invention provide an electric valve operation system based on real-time data analysis, comprising:

[0204] The data acquisition module is used to acquire valve images, input flow rate, real-time flow rate, and ambient temperature.

[0205] A memory for storing the program of any of the above-mentioned electric valve operation methods based on real-time data analysis;

[0206] The processor is the unit of memory that allows programs to be loaded and executed by the processor.

[0207] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the above-described division of functional modules is used as an example. In practical applications, the above 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 process of the system, device, and unit described above can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.

[0208] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions falling within the scope of the present invention's concept are within the scope of protection of the present invention. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A method for operating an electric valve based on real-time data analysis, characterized in that, include: Step 100: Acquire valve image; Step 101: Identify the fatigue level from the valve image and retrieve the valve position based on the valve image; Step 102: Generate a fatigue distribution map by combining the fatigue level and valve location; Step 103: Determine the upper limit flow rate map in response to the fatigue distribution map, and retrieve the valve opening based on the valve position; Step 104: Determine the coefficient distribution diagram based on the valve opening and valve position, and collect the input flow rate; Step 105: Generate a flow distribution map by combining the coefficient distribution map and the input flow rate; Step 106: Compare the flow distribution map and the flow limit map to determine the location of the exceedance; Step 107: Generate and display a valve deterioration warning based on the over-limit position; Also includes: Step 108: Determine the excess flow rate from the flow rate limit diagram based on the excess location; Step 109: Retrieve the upstream location and upstream flow from the flow distribution map based on the exceeded location; Step 110: Determine the adjustment coefficient based on the upstream flow rate and the excess flow rate; Step 111: Determine the adjustment opening degree based on the adjustment coefficient; Step 112: Open or close the valve at the upstream position according to the adjusted opening degree.

2. The method for operating an electric valve based on real-time data analysis according to claim 1, characterized in that, The method for determining the coefficient distribution map includes: Step 113: Determine the opening difference based on the valve opening degree; Step 114: When the opening difference is greater than the preset fluctuation threshold, determine the downstream position based on the valve position; Step 115: Collect real-time flow rate based on the downstream location, and retrieve the initial flow rate based on the valve location; Step 116: Calculate the quotient of the real-time traffic and the initial traffic, and define it as the traffic coefficient; Step 117: Generate a coefficient curve based on the flow coefficient and valve opening degree; Step 118: Update the coefficient distribution map in response to the coefficient curve.

3. The method for operating an electric valve based on real-time data analysis according to claim 2, characterized in that, It also includes a congestion handling method, which includes: Step 200: Determine the location of the slow flow by combining the flow distribution map and real-time flow; Step 201: Determine the slowing flow rate and slowing ratio based on the slowing location; Step 202: When the slowdown ratio is less than the preset blockage threshold, determine the adjustment flow rate by combining the slowdown flow rate and the slowdown ratio; Step 203: Identify the location of the water source from the flow distribution map based on the adjusted flow rate; Step 204: Determine the valve opening stroke based on the slow flow location and water source location; Step 205: Open the valve between the slow-flow position and the water source position according to the valve opening stroke.

4. The method for operating an electric valve based on real-time data analysis according to claim 3, characterized in that, The blockage handling method further includes: Step 206: Identify the water source flow rate from the flow distribution map based on the water source location; Step 207: Determine the retarding coefficient by combining the water source flow rate and the adjusted flow rate; Step 208: Determine the deceleration opening degree based on the deceleration coefficient; Step 209: Update the valve opening stroke in response to the slow opening degree, and identify the damaged location from the flow upper limit diagram based on the adjusted flow rate, water source location, and slow position; Step 210: Generate and display a valve damage alarm based on the location of the damage.

5. The method for operating an electric valve based on real-time data analysis according to claim 4, characterized in that, The blockage handling method further includes: Step 211: Determine the number of valves to be opened based on the valve opening stroke; Step 212: Determine the uniformity coefficient by combining the water source flow rate, the adjusted flow rate, and the number of valves opened; Step 213: Determine the valve opening position based on the valve opening stroke; Step 214: Update the slow opening degree based on the valve opening position and uniformity coefficient.

6. The method for operating an electric valve based on real-time data analysis according to claim 5, characterized in that, It also includes a freezing process, the freezing process comprising: Step 300: When the slowdown ratio is less than the preset blockage threshold, collect the ambient temperature; Step 301: If the ambient temperature is lower than the preset freezing threshold, determine the slow flow length based on the slow flow location; Step 302: Determine the freezing volume by combining the slowing ratio and the slowing length; Step 303: In response to the generation of the frozen volume, a valve freeze alarm is displayed.

7. The method for operating an electric valve based on real-time data analysis according to claim 6, characterized in that, The freezing method further includes: Step 304: If the ambient temperature is lower than the preset freezing threshold, retrieve the slow flow path based on the slow flow location; Step 305: Generate a flow velocity distribution map based on the slow-flow path; Step 306: Identify stagnation areas from the velocity distribution map; Step 307: Determine the freezing distribution in response to the retention area and the frozen volume; Step 308: Update the valve freeze alarm according to the freeze distribution.

8. The method for operating an electric valve based on real-time data analysis according to claim 7, characterized in that, The freezing method further includes: Step 309: If the ambient temperature is lower than the preset freezing threshold, determine the temperature fluctuation line in response to the ambient temperature; Step 310: Extract the freezing curve from the temperature fluctuation line; Step 311: Determine the freezing rate in response to the freezing curve; Step 312: Determine the separation frequency based on the ambient temperature and freezing rate; Step 313: Generate the separation path by combining the separation frequency and the freezing distribution; Step 314: Control the preset vibration device to break up the ice in the pipe according to the separation stroke.

9. An electric valve operating system based on real-time data analysis, characterized in that, include: The data acquisition module is used to acquire valve images, input flow rate, real-time flow rate, and ambient temperature. A memory for storing a program for an electric valve operation method based on real-time data analysis as described in any one of claims 1 to 8; The processor is the unit of memory that allows programs to be loaded and executed by the processor.

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