A valve cooling pump detection method and device

Abstract

The embodiments of the present application provide a valve cooling pump detection method and a valve cooling pump detection device. The method includes: obtaining a target valve cooling pump simulation model corresponding to the target valve cooling pump; obtaining the current working condition information of the target valve cooling pump; inputting the current working condition information into the target valve cooling pump simulation model to obtain the simulated vibration information of the target detection position of the three-dimensional model of the target valve cooling pump, where the three-dimensional model of the target valve cooling pump is the three-dimensional simulation model corresponding to the target valve cooling pump; obtaining the working condition vibration information of the target detection position of the target valve cooling pump; calculating the vibration deviation value between the simulated vibration information and the working condition vibration information; and determining whether the target valve cooling pump is operating abnormally based on the vibration deviation value. The embodiments of the present application perform simulation based on the current working condition information of the valve cooling pump, and can truly and accurately judge the real-time working condition of the valve cooling pump, bringing convenience to equipment repair and maintenance.

Description

Technical Field

[0001] This application relates to the technical field of mechanical diagnosis intelligence and digitization, and particularly relates to a valve cooling pump detection method and device. Background Art

[0002] The main valve cooling pump is a key device in the valve cooling system of a converter station. Its operating state and stability directly affect the operating effect of the valve cooling system of the converter station. Moreover, the main valve cooling pump is a device with a relatively high failure incidence rate in the valve cooling system of the converter station. Therefore, the detection of the operating state of the main valve cooling pump is the key point in the daily inspection of the converter station.

[0003] Currently, vibration sensors can be installed on the surface of the main valve cooling pump to monitor the vibration of the main valve cooling pump. Since the vibration of the main valve cooling pump is related to the current working condition of the main valve cooling pump, simply relying on the vibration monitored by the vibration sensor cannot truly judge the real-time working condition of the main valve cooling pump, which will bring difficulties to equipment repair and maintenance. Summary of the Invention

[0004] In view of this, the purpose of this application is to provide a valve cooling pump detection method and device, which can truly judge the real-time working condition of the valve cooling pump, bring convenience to equipment repair and maintenance, and solve the problem that the existing method relying solely on the vibration monitored by the vibration sensor cannot truly judge the real-time working condition of the main valve cooling pump. The specific technical solutions are as follows:

[0005] In a first aspect, this application provides a valve cooling pump detection method, and the method includes:

[0006] Obtain a target valve cooling pump simulation model corresponding to the target valve cooling pump;

[0007] Obtain the current working condition information of the target valve cooling pump;

[0008] Input the current working condition information into the target valve cooling pump simulation model to obtain the simulated vibration information of the target detection position of the three-dimensional model of the target valve cooling pump, where the three-dimensional model of the target valve cooling pump is the three-dimensional simulation model corresponding to the target valve cooling pump;

[0009] Obtain the working condition vibration information of the target detection position of the target valve cooling pump;

[0010] Calculate the vibration deviation value between the simulated vibration information and the working condition vibration information;

[0011] Judge whether the target valve cooling pump is operating abnormally based on the vibration deviation value.

[0012] In a possible implementation manner, the judging whether the target valve cooling pump is operating abnormally based on the vibration deviation value includes:

[0013] Determine whether the vibration deviation value is greater than a first preset threshold;

[0014] If the vibration deviation value is greater than the first preset threshold, determine that the target valve cooling pump is operating abnormally;

[0015] If the vibration deviation value is not greater than the first preset threshold, determine that the target valve cooling pump is operating normally.

[0016] In a possible implementation, after determining that the target valve cooling pump is operating abnormally, the method further includes:

[0017] Obtain a fault analysis set corresponding to the vibration deviation value from a target fault rule library, where the fault analysis set includes a plurality of fault analysis information sorted in order of priority;

[0018] Use the fault analysis information with the highest current priority in the fault analysis set as fault test information;

[0019] Based on the fault test information, adjust the three-dimensional model of the target valve cooling pump to a three-dimensional model for valve cooling pump fault analysis;

[0020] Perform three-dimensional grid decomposition on the three-dimensional model for valve cooling pump fault analysis to obtain the vibration coefficient and momentum conduction coefficient of each surface element of the three-dimensional model for valve cooling pump fault analysis;

[0021] Establish a valve cooling pump fault analysis simulation model based on the three-dimensional model for valve cooling pump fault analysis, the vibration coefficient and momentum conduction coefficient of each surface element of the three-dimensional model for valve cooling pump fault analysis;

[0022] Input the current working condition information into the valve cooling pump fault analysis simulation model to obtain comparison vibration information at the target detection position of the three-dimensional model for valve cooling pump fault analysis;

[0023] Calculate the test deviation value between the comparison vibration information and the working condition vibration information;

[0024] Determine the target fault analysis information of the target valve cooling pump based on the test deviation value.

[0025] In a possible implementation, the determining the target fault analysis information of the target valve cooling pump based on the test deviation value includes:

[0026] If the test deviation value is not greater than a second preset threshold, determine the fault test information as the target fault analysis information;

[0027] If the test deviation value is greater than the second preset threshold, remove the fault analysis information with the highest current priority from the fault analysis set, and perform the step of using the fault analysis information with the highest current priority in the fault analysis set as the fault test information.

[0028] In a possible implementation, the current operating condition information of the target valve cooling pump includes the current fixed constraint point position information and the current operating parameter information of the target valve cooling pump. The step of inputting the current operating condition information into the target valve cooling pump simulation model to obtain the simulated vibration information of the target detection position of the three-dimensional model of the target valve cooling pump includes:

[0029] Determine the fixed constraint points of the three-dimensional model of the target valve cooling pump according to the current fixed constraint point position information;

[0030] Input the fixed constraint points and the current operating parameter information into the target valve cooling pump simulation model to obtain the simulated vibration information of the target detection position of the three-dimensional model of the target valve cooling pump.

[0031] In a second aspect, the present application also provides a valve cooling pump detection device, and the device includes:

[0032] A first acquisition module, configured to acquire a target valve cooling pump simulation model corresponding to a target valve cooling pump;

[0033] A second acquisition module, configured to acquire the current operating condition information of the target valve cooling pump;

[0034] A first simulation module, configured to input the current operating condition information into the target valve cooling pump simulation model to obtain the simulated vibration information of the target detection position of the three-dimensional model of the target valve cooling pump, where the three-dimensional model of the target valve cooling pump is a three-dimensional simulation model corresponding to the target valve cooling pump;

[0035] A third acquisition module, configured to acquire the operating condition vibration information of the target detection position of the target valve cooling pump;

[0036] A calculation module, configured to calculate the vibration deviation value between the simulated vibration information and the operating condition vibration information;

[0037] A judgment module, configured to judge whether the target valve cooling pump is operating abnormally based on the vibration deviation value.

[0038] In a possible implementation, the judgment module is specifically configured to:

[0039] Judge whether the vibration deviation value is greater than a first preset threshold;

[0040] If the vibration deviation value is greater than the first preset threshold, determine that the target valve cooling pump is operating abnormally;

[0041] If the vibration deviation value is not greater than the first preset threshold, it is determined that the target valve cooling pump is operating normally.

[0042] In a possible implementation, the device further includes:

[0043] A fourth acquisition module, configured to acquire a fault analysis set corresponding to the vibration deviation value from a target fault rule base, where the fault analysis set includes multiple fault analysis information sorted in order of priority;

[0044] A test module, configured to use the fault analysis information with the highest current priority in the fault analysis set as fault test information;

[0045] A model adjustment module, configured to adjust the three-dimensional model of the target valve cooling pump to a three-dimensional model for valve cooling pump fault analysis based on the fault test information;

[0046] A model disassembly module, configured to perform three-dimensional grid disassembly on the three-dimensional model for valve cooling pump fault analysis to obtain the vibration coefficient and momentum conduction coefficient of each surface element of the three-dimensional model for valve cooling pump fault analysis;

[0047] A model establishment module, configured to establish a simulation model for valve cooling pump fault analysis based on the three-dimensional model for valve cooling pump fault analysis, the vibration coefficient and momentum conduction coefficient of each surface element of the three-dimensional model for valve cooling pump fault analysis;

[0048] A second simulation module, configured to input the current working condition information into the simulation model for valve cooling pump fault analysis to obtain comparison vibration information at the target detection position of the three-dimensional model for valve cooling pump fault analysis;

[0049] The calculation module is further configured to calculate a test deviation value between the comparison vibration information and the working condition vibration information;

[0050] A determination module, configured to determine the target fault analysis information of the target valve cooling pump based on the test deviation value.

[0051] In a possible implementation, the determination module is specifically configured to:

[0052] If the test deviation value is not greater than a second preset threshold, determine the fault test information as the target fault analysis information;

[0053] If the test deviation value is greater than the second preset threshold, remove the fault analysis information with the highest current priority from the fault analysis set, and cause the test module to execute the step of using the fault analysis information with the highest current priority in the fault analysis set as fault test information.

[0054] In a possible implementation, the current operating condition information of the target valve cooling pump includes the current fixed constraint point position information and the current operating parameter information of the target valve cooling pump. The first simulation model is specifically used for:

[0055] Determine the fixed constraint points of the three-dimensional model of the target valve cooling pump according to the current fixed constraint point position information;

[0056] Input the fixed constraint points and the current operating parameter information into the simulation model of the target valve cooling pump to obtain the simulated vibration information of the target detection position of the three-dimensional model of the target valve cooling pump.

[0057] The method provided by the embodiments of the present application includes: obtaining a simulation model of a target valve cooling pump corresponding to the target valve cooling pump; obtaining the current operating condition information of the target valve cooling pump; inputting the current operating condition information into the simulation model of the target valve cooling pump to obtain the simulated vibration information of the target detection position of the three-dimensional model of the target valve cooling pump, where the three-dimensional model of the target valve cooling pump is a three-dimensional simulation model corresponding to the target valve cooling pump; obtaining the operating condition vibration information of the target detection position of the target valve cooling pump; calculating the vibration deviation value between the simulated vibration information and the operating condition vibration information; and determining whether the target valve cooling pump is operating abnormally based on the vibration deviation value. The embodiments of the present application perform simulation based on the current operating condition information of the valve cooling pump, and can truly and accurately judge the real-time operating condition of the valve cooling pump, which brings convenience to equipment maintenance and repair. Description of the Drawings

[0058] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0059] Figure 1 Shows a flowchart of an embodiment of a valve cooling pump detection method provided by the present application;

[0060] Figure 2 Shows a flowchart of a valve cooling pump fault analysis provided by the present application;

[0061] Figure 3 Shows a structural schematic diagram of a valve cooling pump detection device provided by the present application. Detailed Embodiments

[0062] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are some, but not all, of the embodiments of this application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of this application without creative efforts shall fall within the scope of protection of this application.

[0063] First, some terms that may appear in the embodiments of this application are explained.

[0064] Digital Twin: It makes full use of data such as physical models, sensor updates, and operation history, integrates the simulation processes of multiple disciplines, multiple physical quantities, multiple scales, and multiple probabilities, and completes the mapping in the virtual space, so as to reflect the entire life cycle process of the corresponding physical equipment.

[0065] Computer Aided Design (CAD): It refers to using a computer and its graphics device to assist designers in their design work.

[0066] Please refer to Figure 1 , which shows the flowchart of an embodiment of a valve cooling pump detection method provided by the embodiments of this application. The embodiments of this application at least include the following steps:

[0067] S11. Obtain a target valve cooling pump simulation model corresponding to the target valve cooling pump.

[0068] In the embodiments of this application, the valve cooling pump simulation models corresponding to different models of valve cooling pumps in the normal state are pre-stored in the model library. When it is necessary to detect the target valve cooling pump, the target valve cooling pump simulation model corresponding to the target valve cooling pump is obtained from the model library.

[0069] In the embodiments of this application, an implementation manner of obtaining the target valve cooling pump simulation model corresponding to the target valve cooling pump may include the following steps:

[0070] S201. Obtain the model of the target valve cooling pump;

[0071] S202. Obtain the target valve cooling pump simulation model corresponding to the model of the target valve cooling pump in the model library. The model library includes the valve cooling pump simulation models corresponding to multiple models of valve cooling pumps.

[0072] The establishment of the model library includes the following steps:

[0073] S301. Obtain the three-dimensional models of valve cooling pumps corresponding to multiple models in the normal state, and the vibration coefficients and momentum conduction coefficients of each surface element of the multiple three-dimensional models of valve cooling pumps;

[0074] S302. Establish a valve cooling pump simulation model corresponding to the valve cooling pump based on the 3D models of each valve cooling pump, the vibration coefficients and momentum conduction coefficients of each surface element of the 3D models of each valve cooling pump.

[0075] S303. Store multiple valve cooling pump simulation models in the model library.

[0076] The 3D model of the valve cooling pump is a 3D simulation model corresponding to the valve cooling pump under normal conditions. In the embodiments of the present application, the 3D model of the valve cooling pump can be established by combining CAD drawings and laser scanning. The 3D model of the valve cooling pump includes the appearance, internal structure and base structure of the valve cooling pump, and the component materials and material stiffness at each position of the 3D model of the valve cooling pump are consistent with those of the valve cooling pump. It should be noted that the method for establishing the 3D model of the valve cooling pump can be set by those skilled in the art according to actual scenario requirements, and the embodiments of the present application do not make limitations.

[0077] One implementation manner for obtaining the vibration coefficients and momentum conduction coefficients of each surface element of the 3D model of the valve cooling pump can be: perform 3D grid decomposition on the 3D model of the valve cooling pump to obtain the vibration coefficients and momentum conduction coefficients of each surface element of the 3D model of the valve cooling pump.

[0078] In the embodiments of the present application, perform 3D grid decomposition on the 3D model of the valve cooling pump, and set the vibration coefficients and momentum conduction coefficients of each surface element in the 3D grid of the 3D model of the valve cooling pump according to the component material stiffness and relative relationships at each position in the 3D model of the valve cooling pump.

[0079] S12. Obtain the current working condition information of the target valve cooling pump.

[0080] The current working condition information in the embodiments of the present application includes the current fixed constraint point position information and the current working parameter information. The current working parameter information includes the current rotational speed information, the current current information, the current voltage information and the current working pressure information. The current working condition information can be obtained by using sensors.

[0081] S13. Input the current working condition information into the target valve cooling pump simulation model to obtain the simulated vibration information of the target detection position of the 3D model of the target valve cooling pump.

[0082] In the embodiments of the present application, inputting the current working condition information into the target valve cooling pump simulation model can obtain the simulated vibration information of the target detection position of the 3D model of the target valve cooling pump. Among them, the 3D model of the target valve cooling pump is a 3D simulation model corresponding to the target valve cooling pump, and the simulated vibration information includes any one of the simulated vibration frequency information and the simulated displacement amount information.

[0083] Inputting the current working condition information into the target valve cooling pump simulation model to obtain the simulated vibration information of the target detection position of the 3D model of the target valve cooling pump may include:

[0084] Determine the fixed constraint points of the target valve cooling pump three-dimensional model according to the current fixed constraint point position information in the current working condition information;

[0085] Input the fixed constraint points and the current working parameter information in the current working condition information into the target valve cooling pump simulation model to obtain the simulated vibration information of the target detection position of the target valve cooling pump three-dimensional model.

[0086] In the embodiment of the present application, the simulated vibration frequency information includes the maximum simulated vibration frequency and the average simulated vibration frequency, and the simulated displacement amount information includes the maximum simulated displacement amount and the average simulated displacement amount.

[0087] Input the fixed constraint points and the current working parameter information into the target valve cooling pump simulation model to obtain the simulated vibration information of the target detection position of the target valve cooling pump three-dimensional model, including:

[0088] Based on the fixed constraint points and the current working parameter information Calculate the first vibration displacement x(t) of the center point of the motor rotating shaft of the target valve cooling pump and the second vibration displacement y(t) of the center point of the valve cooling pump housing;

[0089] Based on the first vibration displacement and the second vibration displacement, calculate multiple simulated vibration displacements z of the target detection position of the target valve cooling pump three-dimensional model within a preset time period i (t);

[0090] Calculate the maximum simulated displacement amount, the average simulated displacement amount, the maximum simulated vibration frequency, and the average simulated vibration frequency according to the multiple simulated vibration displacements.

[0091] It should be noted that the preset time period can be set by the technical personnel according to the actual scenario requirements, and the embodiment of the present application does not make any limitations.

[0092] Among them, m1 represents the weight of the motor of the target valve cooling pump, m2 represents the weight of the motor housing of the target valve cooling pump, k1 represents the elastic coefficient from the motor rotating shaft of the target valve cooling pump to the fixed constraint point, k2 represents the elastic coefficient from the housing of the target valve cooling pump to the fixed constraint point, A represents the harmonic force amplitude of the motor rotation of the target valve cooling pump, w0 represents the motor rotation frequency of the target valve cooling pump, and t represents time.

[0093] Calculate the maximum simulated displacement amount and the average simulated displacement amount according to the multiple simulated vibration displacements, including:

[0094] Based on the multiple simulated vibration displacements Calculate the maximum simulated displacement amount and the average simulated displacement amount.

[0095] Calculate the maximum simulated vibration frequency and the average simulated vibration frequency according to the multiple simulated vibration displacements, including:

[0096] Perform Fourier transform on multiple simulated vibration displacements to obtain multiple simulated vibration frequencies F i (ω);

[0097] Based on multiple simulated vibration frequencies Calculate the maximum simulated vibration frequency and the average simulated vibration frequency.

[0098] Perform Fourier transform on multiple simulated vibration displacements to obtain multiple simulated vibration frequencies F i (ω), including:

[0099] Based on multiple simulated vibration displacements Obtain multiple simulated vibration frequencies.

[0100] where z i (t) represents the simulated vibration displacement, F i (ω) represents the simulated vibration frequency, z max represents the maximum simulated displacement, z avg represents the average simulated displacement, F max represents the maximum simulated vibration frequency, F avg represents the average simulated vibration frequency, e -jwt represents a complex function, ω represents the angular frequency, and T represents a preset time period.

[0101] S14. Obtain the working condition vibration information of the target detection position of the target valve cooling pump.

[0102] In the embodiment of the present application, the working condition vibration information of the target detection position of the target valve cooling pump is obtained through a vibration sensor. A wireless transmission module can also be set on the vibration sensor to facilitate obtaining the working condition vibration information of the target detection position of the target valve cooling pump in a complex environment.

[0103] In the embodiment of the present application, the working condition vibration information includes any one of the working condition vibration frequency information and the working condition displacement amount information. The working condition vibration frequency information includes the maximum working condition vibration frequency and the average working condition vibration frequency. The working condition displacement amount information includes the maximum working condition displacement amount and the average working condition displacement amount. The calculation methods of the working condition vibration frequency information and the working condition displacement amount information are the same as those of the simulated vibration frequency information and the simulated displacement amount information, and will not be elaborated here.

[0104] In the embodiments of the present application, the order relationship between S11 - S13 and S14 is not limited. The working condition vibration information of the target detection position of the target valve cooling pump can be obtained before obtaining the simulated vibration information of the target detection position of the three - dimensional model of the target valve cooling pump; or the working condition vibration information of the target detection position of the target valve cooling pump can be obtained after obtaining the simulated vibration information of the target detection position of the three - dimensional model of the target valve cooling pump; or the simulated vibration information of the target detection position of the three - dimensional model of the target valve cooling pump and the working condition vibration information of the target detection position of the target valve cooling pump can be obtained simultaneously.

[0105] Among them, one implementation method of obtaining the working condition vibration information of the target detection position of the target valve cooling pump can be to obtain the working condition vibration information of the target detection position of the target valve cooling pump under the current working condition information.

[0106] S15. Calculate the vibration deviation value between the simulated vibration information and the working condition vibration information.

[0107] In order to improve the efficiency of fault judgment, the number of target detection positions can be multiple. When there are multiple target detection positions, calculating the vibration deviation value between the simulated vibration information and the working condition vibration information includes:

[0108] Calculate the comparison difference value between the simulated vibration information and the working condition vibration information corresponding to each target detection position;

[0109] Determine the comparison difference value with the largest numerical value as the vibration deviation value.

[0110] Among them, the target detection position can be at least one surface of the upper surface, the left surface, and the right surface of the motor housing of the valve cooling pump.

[0111] S16. Based on the vibration deviation value, determine whether the target valve cooling pump is operating abnormally.

[0112] In the embodiments of the present application, it can be determined whether the target valve cooling pump is operating abnormally according to the vibration deviation value.

[0113] One implementation method of determining whether the target valve cooling pump is operating abnormally based on the vibration deviation value can include the following steps:

[0114] S401. Determine whether the vibration deviation value is greater than the first preset threshold;

[0115] S402. If the vibration deviation value is greater than the first preset threshold, determine that the target valve cooling pump is operating abnormally;

[0116] S403. If the vibration deviation value is not greater than the first preset threshold, determine that the target valve cooling pump is operating normally.

[0117] It should be noted that the first preset threshold can be set by technicians according to actual scenario needs, and the embodiments of the present application do not make limitations.

[0118] Please refer to Figure 2 , which shows a flowchart for analyzing the faults of a valve cooling pump provided by an embodiment of the present application. After determining that the target valve cooling pump is operating abnormally, the embodiment of the present application further includes the following steps:

[0119] S17. Obtain a fault analysis set corresponding to the vibration deviation value in the target fault rule base. The fault analysis set includes multiple pieces of fault analysis information sorted in order of priority.

[0120] S18. Use the fault analysis information with the highest current priority in the fault analysis set as the fault test information.

[0121] S19. Based on the fault test information, adjust the three-dimensional model of the target valve cooling pump into a three-dimensional model for valve cooling pump fault analysis.

[0122] S20. Perform three-dimensional meshing disassembly on the three-dimensional model for valve cooling pump fault analysis to obtain the vibration coefficient and momentum conduction coefficient of each surface element of the three-dimensional model for valve cooling pump fault analysis.

[0123] S21. Establish a simulation model for valve cooling pump fault analysis based on the three-dimensional model for valve cooling pump fault analysis, the vibration coefficient and momentum conduction coefficient of each surface element of the three-dimensional model for valve cooling pump fault analysis.

[0124] S22. Input the current working condition information into the simulation model for valve cooling pump fault analysis to obtain the comparison vibration information at the target detection position of the three-dimensional model for valve cooling pump fault analysis.

[0125] S23. Calculate the test deviation value between the comparison vibration information and the working condition vibration information.

[0126] S24. Determine the target fault analysis information of the target valve cooling pump based on the test deviation value.

[0127] In the embodiment of the present application, the comparison vibration information includes any one of the comparison vibration frequency information and the comparison displacement amount information. The comparison vibration frequency information includes the maximum comparison vibration frequency and the average comparison vibration frequency. The comparison displacement amount information includes the maximum comparison displacement amount and the average comparison displacement amount. The calculation methods of the comparison vibration frequency information and the comparison displacement amount information are the same as those of the simulated vibration frequency information and the simulated displacement amount information, and will not be elaborated here.

[0128] In the embodiments of the present application, by constructing a three-dimensional fault analysis model and using data such as the motor current and voltage of the valve cooling main pump obtained by the sensing device, the operating states of various components of the valve cooling pump motor are inversely deduced, and fault judgment is carried out based on the simulation of the operating state of the valve cooling pump based on digital twin technology, so as to quickly locate the internal faults of the motor, solving the problem that it is difficult to specifically locate which internal component of the motor causes abnormal vibration in the existing technology, resulting in difficulties in judging the severity of equipment abnormalities and equipment maintenance and repair.

[0129] The reasons for the failure of the valve cooling pump may include shaft bending and loose base bolts. The reasons for the failure of the valve cooling pump can refer to the existing technology and will not be elaborated in the embodiments of the present application.

[0130] An implementation manner for determining the target fault analysis information of the target valve cooling pump based on the test deviation value may include:

[0131] If the test deviation value is not greater than the second preset threshold, the fault test information is determined as the target fault analysis information;

[0132] If the test deviation value is greater than the second preset threshold, remove the fault analysis information with the highest current priority from the fault analysis set, and perform the step of using the fault analysis information with the highest current priority in the fault analysis set as the fault test information.

[0133] It should be noted that the second preset threshold can be set by technicians according to actual scenario needs, and the embodiments of the present application do not make limitations.

[0134] In the embodiments of the present application, obtain the target valve cooling pump simulation model corresponding to the target valve cooling pump; obtain the current working condition information of the target valve cooling pump; input the current working condition information into the target valve cooling pump simulation model to obtain the simulated vibration information at the target detection position of the three-dimensional model of the target valve cooling pump, and the three-dimensional model of the target valve cooling pump is the three-dimensional simulation model corresponding to the target valve cooling pump; obtain the working condition vibration information at the target detection position of the target valve cooling pump; calculate the vibration deviation value between the simulated vibration information and the working condition vibration information; judge whether the target valve cooling pump is operating abnormally based on the vibration deviation value. The embodiments of the present application perform simulation based on the current working condition information of the valve cooling pump, can truly and accurately judge the real-time working condition of the valve cooling pump, and bring convenience to equipment maintenance and repair.

[0135] Next, a valve cooling pump detection device provided by the present application will be introduced. The valve cooling pump detection device introduced below can be correspondingly referred to the valve cooling pump detection method introduced above.

[0136] Please refer to Figure 3 , which shows a schematic structural diagram of a valve cooling pump detection device provided by the present application. The device includes:

[0137] The first acquisition module 301 is configured to acquire a target valve cooling pump simulation model corresponding to a target valve cooling pump;

[0138] The second acquisition module 302 is configured to acquire current operating condition information of the target valve cooling pump;

[0139] The first simulation module 303 is configured to input the current operating condition information into the target valve cooling pump simulation model to obtain simulated vibration information of a target detection position of a three-dimensional model of the target valve cooling pump, where the three-dimensional model of the target valve cooling pump is a three-dimensional simulation model corresponding to the target valve cooling pump;

[0140] The third acquisition module 304 is configured to acquire operating condition vibration information of the target detection position of the target valve cooling pump;

[0141] The calculation module 305 is configured to calculate a vibration deviation value between the simulated vibration information and the operating condition vibration information;

[0142] The judgment module 306 is configured to judge whether the target valve cooling pump is operating abnormally based on the vibration deviation value.

[0143] In an embodiment of the present application, the judgment module 306 is specifically configured to:

[0144] Judge whether the vibration deviation value is greater than a first preset threshold;

[0145] If the vibration deviation value is greater than the first preset threshold, determine that the target valve cooling pump is operating abnormally;

[0146] If the vibration deviation value is not greater than the first preset threshold, determine that the target valve cooling pump is operating normally.

[0147] In an embodiment of the present application, the device further includes:

[0148] The fourth acquisition module is configured to acquire a fault analysis set corresponding to the vibration deviation value in a target fault rule library, where the fault analysis set includes multiple fault analysis information sorted in order of priority;

[0149] The test module is configured to use the fault analysis information with the highest current priority in the fault analysis set as fault test information;

[0150] The model adjustment module is configured to adjust the three-dimensional model of the target valve cooling pump into a three-dimensional model for valve cooling pump fault analysis based on the fault test information;

[0151] The model disassembly module is configured to perform three-dimensional grid disassembly on the three-dimensional model for valve cooling pump fault analysis to obtain vibration coefficients and momentum conduction coefficients of each surface element of the three-dimensional model for valve cooling pump fault analysis;

[0152] A model establishment module, configured to establish a valve cooling pump fault analysis simulation model based on the three-dimensional model of the valve cooling pump fault analysis, the vibration coefficient and the momentum conduction coefficient of each surface element of the three-dimensional model of the valve cooling pump fault analysis;

[0153] A second simulation module, configured to input the current working condition information into the valve cooling pump fault analysis simulation model to obtain comparison vibration information at a target detection position of the three-dimensional model of the valve cooling pump fault analysis;

[0154] The calculation module 305 is further configured to calculate a test deviation value between the comparison vibration information and the working condition vibration information;

[0155] A determination module, configured to determine target fault analysis information of the target valve cooling pump based on the test deviation value.

[0156] In an embodiment of the present application, the determination module is specifically configured to:

[0157] If the test deviation value is not greater than a second preset threshold, determine the fault test information as the target fault analysis information;

[0158] If the test deviation value is greater than the second preset threshold, remove the currently highest-priority fault analysis information from the fault analysis set, and execute the step of using the currently highest-priority fault analysis information in the fault analysis set as the fault test information.

[0159] In an embodiment of the present application, the current working condition information of the target valve cooling pump includes the current fixed constraint point position information and the current working parameter information of the target valve cooling pump. The first simulation model 303 is specifically configured to:

[0160] Determine the fixed constraint points of the three-dimensional model of the target valve cooling pump according to the current fixed constraint point position information;

[0161] Input the fixed constraint points and the current working parameter information into the target valve cooling pump simulation model to obtain simulated vibration information at a target detection position of the three-dimensional model of the target valve cooling pump.

[0162] In an embodiment of the present application, a target valve cooling pump simulation model corresponding to a target valve cooling pump is obtained; current operating condition information of the target valve cooling pump is obtained; the current operating condition information is input into the target valve cooling pump simulation model to obtain simulated vibration information at a target detection position of a three-dimensional model of the target valve cooling pump, where the three-dimensional model of the target valve cooling pump is a three-dimensional simulation model corresponding to the target valve cooling pump; operating condition vibration information at the target detection position of the target valve cooling pump is obtained; a vibration deviation value between the simulated vibration information and the operating condition vibration information is calculated; and based on the vibration deviation value, it is determined whether the target valve cooling pump is operating abnormally. The embodiment of the present application performs simulation based on the current operating condition information of the valve cooling pump, and can truly and accurately judge the real-time operating condition of the valve cooling pump, which brings convenience to equipment maintenance and repair.

[0163] It should be noted that the same or similar parts among the various embodiments can be referred to each other. For the device embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and the relevant parts can refer to the partial description of the method embodiments.

[0164] For the foregoing embodiments, for the sake of simple description, they are all expressed as a series of action combinations. However, those skilled in the art should know that the present application is not limited by the described action sequence, because according to the present application, certain steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily essential to the present application.

[0165] Finally, it should also be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.

[0166] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0167] The above are only the preferred embodiments of the present application. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present application, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present application.

Claims

1. A valve cooling pump detection method, characterized in that, The method includes: Obtaining a target valve cooling pump simulation model corresponding to the target valve cooling pump; Obtaining the current operating condition information of the target valve cooling pump; Inputting the current operating condition information into the target valve cooling pump simulation model to obtain the simulated vibration information of the target detection position of the three-dimensional model of the target valve cooling pump, where the three-dimensional model of the target valve cooling pump is the three-dimensional simulation model corresponding to the target valve cooling pump; Obtaining the operating condition vibration information of the target detection position of the target valve cooling pump; Calculating the vibration deviation value between the simulated vibration information and the operating condition vibration information; Judging whether the target valve cooling pump is operating abnormally based on the vibration deviation value; The judging whether the target valve cooling pump is operating abnormally based on the vibration deviation value includes: Judging whether the vibration deviation value is greater than a first preset threshold; If the vibration deviation value is greater than the first preset threshold, determining that the target valve cooling pump is operating abnormally; If the vibration deviation value is not greater than the first preset threshold, determining that the target valve cooling pump is operating normally; After determining that the target valve cooling pump is operating abnormally, the method further includes: Obtaining a fault analysis set corresponding to the vibration deviation value in a target fault rule library, where the fault analysis set includes a plurality of fault analysis information sorted in order of priority; Taking the fault analysis information with the highest current priority in the fault analysis set as the fault test information; Based on the fault test information, adjusting the three-dimensional model of the target valve cooling pump to a three-dimensional model for valve cooling pump fault analysis; Performing three-dimensional grid decomposition on the three-dimensional model for valve cooling pump fault analysis to obtain the vibration coefficient and momentum conduction coefficient of each surface element of the three-dimensional model for valve cooling pump fault analysis; Establishing a valve cooling pump fault analysis simulation model based on the three-dimensional model for valve cooling pump fault analysis, the vibration coefficient and momentum conduction coefficient of each surface element of the three-dimensional model for valve cooling pump fault analysis; Inputting the current operating condition information into the valve cooling pump fault analysis simulation model to obtain the comparison vibration information of the target detection position of the three-dimensional model for valve cooling pump fault analysis; Calculating the test deviation value between the comparison vibration information and the operating condition vibration information; Determining the target fault analysis information of the target valve cooling pump based on the test deviation value.

2. The method according to claim 1, wherein The determining the target fault analysis information of the target valve cooling pump based on the test deviation value includes: If the test deviation value is not greater than a second preset threshold, determining the fault test information as the target fault analysis information; If the test deviation value is greater than the second preset threshold, removing the fault analysis information with the highest current priority from the fault analysis set, and executing the step of taking the fault analysis information with the highest current priority in the fault analysis set as the fault test information.

3. The method according to claim 1, wherein The current operating condition information of the target valve cooling pump includes the current fixed constraint point position information and the current operating parameter information of the target valve cooling pump. The inputting the current operating condition information into the target valve cooling pump simulation model to obtain the simulated vibration information of the target detection position of the three-dimensional model of the target valve cooling pump includes: Determining the fixed constraint points of the three-dimensional model of the target valve cooling pump according to the current fixed constraint point position information; Input the fixed constraint points and the current working parameter information into the target valve cooling pump simulation model to obtain the simulated vibration information of the target detection position of the three-dimensional model of the target valve cooling pump.

4. A valve cooling pump detection device, characterized in that The device includes: A first acquisition module, configured to acquire a target valve cooling pump simulation model corresponding to the target valve cooling pump; A second acquisition module, configured to acquire the current working condition information of the target valve cooling pump; A first simulation module, configured to input the current working condition information into the target valve cooling pump simulation model to obtain the simulated vibration information of the target detection position of the three-dimensional model of the target valve cooling pump, where the three-dimensional model of the target valve cooling pump is the three-dimensional simulation model corresponding to the target valve cooling pump; A third acquisition module, configured to acquire the working condition vibration information of the target detection position of the target valve cooling pump; A calculation module, configured to calculate the vibration deviation value between the simulated vibration information and the working condition vibration information; A judgment module, configured to judge whether the target valve cooling pump is operating abnormally based on the vibration deviation value; The judgment module is specifically configured to: Judge whether the vibration deviation value is greater than a first preset threshold; If the vibration deviation value is greater than the first preset threshold, determine that the target valve cooling pump is operating abnormally; If the vibration deviation value is not greater than the first preset threshold, determine that the target valve cooling pump is operating normally; The device further includes: A fourth acquisition module, configured to acquire a fault analysis set corresponding to the vibration deviation value in a target fault rule library, where the fault analysis set includes a plurality of fault analysis information sorted in order of priority; A test module, configured to use the fault analysis information with the highest current priority in the fault analysis set as the fault test information; A model adjustment module, configured to adjust the three-dimensional model of the target valve cooling pump to a three-dimensional model for valve cooling pump fault analysis based on the fault test information; A model disassembly module, configured to perform three-dimensional grid disassembly on the three-dimensional model for valve cooling pump fault analysis to obtain the vibration coefficient and momentum conduction coefficient of each surface element of the three-dimensional model for valve cooling pump fault analysis; A model establishment module, configured to establish a valve cooling pump fault analysis simulation model based on the three-dimensional model for valve cooling pump fault analysis, the vibration coefficient and momentum conduction coefficient of each surface element of the three-dimensional model for valve cooling pump fault analysis; A second simulation module, configured to input the current working condition information into the valve cooling pump fault analysis simulation model to obtain the comparison vibration information of the target detection position of the three-dimensional model for valve cooling pump fault analysis; The calculation module is further configured to calculate the test deviation value between the comparison vibration information and the working condition vibration information; A determination module, configured to determine the target fault analysis information of the target valve cooling pump based on the test deviation value.

5. The device according to claim 4, characterized in that, The determination module is specifically configured to: If the test deviation value is not greater than a second preset threshold, determine the fault test information as the target fault analysis information; If the test deviation value is greater than the second preset threshold, remove the fault analysis information with the highest current priority from the fault analysis set, and cause the test module to execute the step of using the fault analysis information with the highest current priority in the fault analysis set as the fault test information.

6. The device according to claim 4, characterized in that, The current operating condition information of the target valve cooling pump includes the current fixed constraint point position information and the current operating parameter information of the target valve cooling pump. The first simulation model is specifically used for: Determining the fixed constraint points of the three-dimensional model of the target valve cooling pump according to the current fixed constraint point position information; Inputting the fixed constraint points and the current operating parameter information into the simulation model of the target valve cooling pump to obtain the simulated vibration information of the target detection position of the three-dimensional model of the target valve cooling pump.

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