CN116595732A - Method and device for constructing digital twin model of equipment and monitoring internal temperature of equipment - Google Patents
Method and device for constructing digital twin model of equipment and monitoring internal temperature of equipment Download PDFInfo
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Abstract
The invention provides a method and a device for constructing a digital twin model of equipment and monitoring the internal temperature of the equipment, belonging to the technical field of temperature monitoring; simulating the simulation model to obtain internal temperature simulation data and external temperature simulation data; and when the error of the internal temperature simulation data and the internal temperature actual data is smaller than or equal to a first preset threshold value and the error of the external temperature simulation data and the external temperature actual data is smaller than or equal to a second preset threshold value, the parameter value of the preset configuration parameter of the simulation model is obtained, so that a digital twin model is constructed to monitor the internal temperature distribution condition of the target equipment. And a temperature probe is not required to be arranged in the equipment, so that the maintenance cost is saved. The digital twin model is constructed through simulation, the operation is simple, the experimental investment cost is reduced, and the accuracy of temperature monitoring is improved by using the digital twin model.
Description
Technical Field
The invention relates to the technical field of temperature monitoring, in particular to a method and a device for constructing a digital twin model of equipment and monitoring the internal temperature of the equipment.
Background
Temperature monitoring is an extremely important link in the modern industry. The internal temperature of the equipment is monitored, and the equipment is cooled by combining various means, so that energy sources can be saved, waste is reduced, the service life of the equipment is prolonged, and the cost is saved.
Currently, there are various ways to monitor the internal temperature of a device. One of the main ways is to install a temperature probe inside the device, design the wiring of the probe inside the device, and consider the sealing problem of the outlet. When the temperature probe has a problem, the temperature probe is replaced with a higher degree of difficulty, and the replacement time is prolonged.
The other mode is to measure the outlet temperature of the equipment or monitor the temperature far away from the sealing area, and the temperature value obtained by compensation calculation is used as the temperature of the target monitoring point inside the equipment, so that certain errors exist, and the temperature control difficulty of the equipment is increased.
Disclosure of Invention
The invention provides a method and a device for constructing a digital twin model of equipment and monitoring the internal temperature of the equipment, which are used for solving the defects that in the prior art, the internal wiring of the equipment is required to be designed and the maintenance difficulty is high by utilizing a built-in temperature probe for monitoring, and the internal temperature of the equipment is not required to be monitored by utilizing a compensation computing device and has high accuracy.
The invention provides a method for constructing a digital twin model of equipment, which comprises the following steps:
constructing a simulation model of target equipment, and acquiring internal temperature actual data and corresponding external temperature actual data of the target equipment under different equipment working conditions;
simulating the simulation models under different equipment working conditions to obtain internal temperature simulation data and corresponding external temperature simulation data of the simulation models;
acquiring parameter values of preset configuration parameters corresponding to the simulation model when the error between the internal temperature simulation data and the internal temperature actual data is smaller than or equal to a first preset threshold value and the error between the external temperature simulation data and the external temperature actual data is smaller than or equal to a second preset threshold value;
and constructing a digital twin model of the target equipment based on the parameter values of the preset configuration parameters and the mapping relation between the working conditions of different equipment and the internal temperature actual data so as to monitor the internal temperature distribution condition of the target equipment based on the digital twin model.
According to the method for constructing the digital twin model of the equipment provided by the invention, the simulation model under different equipment working conditions is simulated, and the internal temperature simulation data and the corresponding external temperature simulation data of the simulation model are obtained, comprising the following steps:
Inputting any one of the different device conditions into the simulation model;
and simulating the simulation model under the working condition of the equipment by using different parameter values of preset configuration parameters to obtain an internal temperature simulation value and a corresponding external temperature simulation value under the different parameter values.
According to the method for constructing the digital twin model of the equipment, the internal temperature actual data comprise at least one internal temperature actual value corresponding to the equipment working condition, and the external temperature actual data comprise at least one external temperature actual value corresponding to the equipment working condition;
when the error between the obtained internal temperature simulation data and the internal temperature actual data is smaller than a first preset threshold value, and the error between the external temperature simulation data and the external temperature actual data is smaller than a second preset threshold value, the parameter value of the preset configuration parameter corresponding to the simulation model comprises:
comparing the internal temperature simulation value corresponding to different parameter values under the equipment working condition with the internal temperature actual value, and comparing the external temperature simulation value corresponding to different parameter values under the equipment working condition with the external temperature actual value;
And when the error between the internal temperature simulation value and the internal temperature actual value is smaller than or equal to the first preset threshold value, and the error between the external temperature simulation value and the external temperature actual value is smaller than or equal to the second preset threshold value, the parameter value of the preset configuration parameter corresponding to the simulation model is obtained.
The invention also provides a method for monitoring the internal temperature of the equipment, which comprises the following steps:
invoking a digital twin model of the target device; wherein the digital twin model is constructed based on the apparatus digital twin model construction method as described in any one of the above;
inputting the acquired real-time equipment working condition of the target equipment into the digital twin model to acquire the real-time internal temperature of the target equipment; wherein the real-time internal temperature is determined based on the mapping relation between different equipment working conditions of the target equipment and the internal temperature;
and monitoring the internal temperature distribution condition of the target equipment based on the real-time internal temperature.
According to the method for monitoring the internal temperature of the equipment, which is provided by the invention, the internal temperature distribution condition of the target equipment is monitored based on the real-time internal temperature, and the method comprises the following steps:
Determining a temperature control parameter of the temperature control device according to the real-time internal temperature;
and controlling the temperature control device based on the temperature control parameter so as to keep the internal temperature of the target equipment within a preset temperature interval.
According to the method for monitoring the internal temperature of the equipment, which is provided by the invention, the temperature control device comprises a cooling device, and the method further comprises the following steps:
when the real-time internal temperature is greater than the temperature upper limit value of the preset temperature interval, increasing the cooling parameters of the cooling device; wherein the cooling parameters include at least one of: the flow rate of the cooling fluid, the flux of the cooling fluid, the flow rate of the cooling fluid, and the cooling time.
According to the method for monitoring the internal temperature of the equipment, which is provided by the invention, the temperature control device further comprises a heating device, and the method further comprises the following steps:
and when the real-time internal temperature is smaller than the temperature lower limit value of the preset temperature interval, increasing the heating parameter of the heating device.
According to the method for monitoring the internal temperature of the equipment, which is provided by the invention, the internal temperature distribution condition of the target equipment is monitored based on the real-time internal temperature, and the method comprises the following steps:
when the real-time internal temperature is not in the preset temperature interval, determining a temperature control parameter of the temperature control device;
And starting the temperature control device based on the temperature control parameters so as to keep the internal temperature of the target equipment within a preset temperature interval.
The invention also provides a device digital twin model construction device, which comprises:
the first acquisition module is used for constructing a simulation model of the target equipment and acquiring internal temperature actual data and corresponding external temperature actual data of the target equipment under different equipment working conditions;
the second acquisition module is used for simulating the simulation models under different equipment working conditions to acquire internal temperature simulation data and corresponding external temperature simulation data of the simulation models;
a third obtaining module, configured to obtain a parameter value of a preset configuration parameter corresponding to the simulation model when an error between the internal temperature simulation data and the internal temperature actual data is less than or equal to a first preset threshold value, and an error between the external temperature simulation data and the external temperature actual data is less than or equal to a second preset threshold value;
the construction module is used for constructing a digital twin model of the target equipment based on the parameter values of the preset configuration parameters, the mapping relation between different equipment working conditions and the internal temperature actual data so as to monitor the internal temperature distribution condition of the target equipment based on the digital twin model.
The invention also provides a device for monitoring the internal temperature of equipment, which comprises:
the calling module is used for calling the digital twin model of the target equipment; wherein the digital twin model is constructed based on the apparatus digital twin model constructing device as described above;
the acquisition module is used for inputting the acquired real-time equipment working condition of the target equipment into the digital twin model to acquire the real-time internal temperature of the target equipment; wherein the real-time internal temperature is determined based on the mapping relation between different equipment working conditions of the target equipment and the internal temperature;
and the monitoring module is used for monitoring the internal temperature distribution condition of the target equipment based on the real-time internal temperature.
According to the method and the device for constructing the digital twin model of the equipment, when the digital twin model of the target equipment is constructed, the preliminary simulation model under different equipment working conditions is simulated for multiple times, the internal temperature simulation data and the external temperature simulation data are enabled to be as close as possible to the internal temperature actual data and the external temperature actual data of the acquired target equipment through modifying the parameter values of the preset configuration parameters, when the error of the internal temperature simulation data and the internal temperature actual data is enabled to be smaller than or equal to a first preset threshold value and the error of the external temperature simulation data and the external temperature actual data is enabled to be smaller than or equal to a second preset threshold value, the parameter values of the preset configuration parameters corresponding to the internal temperature simulation data and the external temperature actual data are determined to be the configuration parameters for constructing the digital twin model of the target equipment, and the digital twin model of the target equipment is constructed based on the preset configuration parameters, and the mapping relation between different equipment working conditions and the internal temperature actual data is stored in the digital twin model. When the method is actually applied, the real-time internal temperature of the target equipment can be obtained by only acquiring the working condition of the real-time equipment of the target equipment and inputting the working condition of the real-time equipment into the digital twin model, so that the internal temperature distribution condition of the target equipment is monitored. Therefore, the temperature probe is not required to be arranged in the target equipment, the sealing problem of a wiring and a wire outlet of the temperature probe in the target equipment is avoided, the temperature probe is not required to be maintained, and the maintenance cost is saved. And a digital twin model of the target equipment is built through a simulation means, compared with an experimental means, the method is simple to operate, the experimental investment cost is reduced, and meanwhile, the accuracy of temperature monitoring is improved by utilizing the digital twin model for monitoring.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for constructing a digital twin model of equipment;
FIG. 2 is a schematic flow chart of a method for monitoring the internal temperature of a device according to the present invention;
FIG. 3 is a schematic structural diagram of a device digital twin model construction apparatus provided by the invention;
FIG. 4 is a schematic structural view of an apparatus for monitoring internal temperature of a device according to the present invention;
fig. 5 is a schematic structural diagram of an electronic device provided by the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention can be applied to the construction of a digital twin model capable of monitoring the internal temperature of equipment by using equipment prototypes before the equipment is put into production. The digital twin model can be applied to each device produced, and can calculate the internal temperature of the device and monitor the internal temperature only by acquiring the actual working condition of the device.
The following describes a method and a device for constructing a digital twin model of equipment and monitoring the internal temperature of the equipment according to the invention with reference to fig. 1-4.
As shown in FIG. 1, the invention provides a method for constructing a digital twin model of equipment, which specifically comprises the following steps:
step 110, constructing a simulation model of the target equipment, and acquiring the internal temperature actual data and the corresponding external temperature actual data of the target equipment under different equipment working conditions.
Specifically, three-dimensional modeling is performed according to the shape, the size, the component constitution and the like of the target equipment, and a simulation model of the target equipment is constructed, wherein the simulation model can restore all details of the target equipment. The target device in this step may be a prototype of the target device. It will be appreciated that the simulation model is a preliminary model for constructing a digital twin model.
In this step, a temperature probe can be arranged inside the target device to collect the internal temperature actual data of the target device, and a temperature sensor is arranged on the outer surface of the target device to collect the external temperature actual data. In one embodiment, the collection may be performed by a surface mounted temperature sensor mounted to the outer surface of the target device.
In order to reduce the acquisition difficulty, in one embodiment, one to two temperature probes can be arranged in the target equipment to acquire the internal temperature of one or two areas in the target equipment, a plurality of temperature sensors are arranged on the outer surface of the target equipment, and the external temperatures of different areas on the outer surface of the target equipment are acquired. Specifically, the region for acquiring the internal temperature may be selected from a region in which the temperature needs to be monitored with emphasis.
It should be noted that, in this step, for different device working conditions of the target device, the internal temperature actual data and the external temperature actual data of the target device under each device working condition are collected. The working condition of the equipment refers to the working state of the target equipment when the target equipment operates, and at different moments, the working state of the target equipment is different, and the internal temperature and the external temperature of the target equipment are also different.
That is, the internal temperature actual data includes an internal temperature actual value corresponding to at least one device condition, and the external temperature actual data includes an external temperature actual value corresponding to at least one device condition.
In one embodiment, the internal temperature actual data and the external temperature actual data may be collected by a data collector as target values for subsequent simulations.
And 120, simulating the simulation model under different equipment working conditions to obtain internal temperature simulation data and corresponding external temperature simulation data of the simulation model.
In one embodiment, step 120 may specifically include: inputting any one of the different device conditions into the simulation model; and simulating the simulation model under the working condition of the equipment by using different parameter values of preset configuration parameters to obtain an internal temperature simulation value and a corresponding external temperature simulation value under the different preset configuration parameters.
Specifically, one of the collected different equipment working conditions is selected and input into the simulation model to serve as the working condition of the simulation model, the simulation model is simulated, and the simulation model can calculate internal temperature simulation data and external temperature simulation data. Different equipment working conditions are sequentially input into the simulation model, and different internal temperature simulation values and corresponding external temperature simulation values can be obtained.
In one embodiment, the internal temperature simulation data and the external temperature simulation data are both results of simulations performed by the simulation model.
In another embodiment, the collected internal temperature actual data corresponding to the working condition of the device can be used as the internal temperature simulation data to be input into a simulation model, and the corresponding external temperature simulation data can be obtained after simulation. In this embodiment, when the target device is operated, the internal components may generate self-heat, so as to generate a higher internal temperature, and transfer the heat of the internal temperature to the external environment, so that the external temperature of the target device is changed. The internal temperature is used as an independent variable, the actual data of the internal temperature can be input into a simulation model for simulation, and a simulation result of the external temperature is obtained.
In another embodiment, the acquired external temperature actual data corresponding to the working condition of the device can be used as external temperature simulation data to be input into a simulation model, and the corresponding internal temperature simulation data can be acquired after simulation.
Besides the working conditions of the equipment, some preset configuration parameters of the target equipment influence the change of the internal temperature and/or the external temperature of the target equipment, the preset configuration parameters cannot be directly acquired from the target equipment through tools such as a sensor, the configuration parameters are required to be used as boundary conditions, and the acquired internal temperature simulation value and external temperature simulation value can approach target values (namely the internal temperature actual value and the external temperature actual value under the same working conditions of the equipment) by continuously modifying the parameter values of the configuration parameters.
In one embodiment, the preset configuration parameters may include: physical properties of the material of the target device, thermal conductivity parameters of the target device, heating power, etc.
Taking physical properties of materials as examples, for example, materials of a certain part of the target equipment are steel, and steels with different components have different heat transfer effects, so that an internal temperature simulation value and an external temperature simulation value can approach a target value by modifying component parameter values of the steel, when the obtained simulation values sufficiently approach the target value or are matched with the target value, the component parameter values of the corresponding steel can be determined as component parameter values of the steel of the certain part of the target equipment, and the component parameter values are input into a simulation model to construct a digital twin model of the target equipment.
In order to reduce the simulation times, in one embodiment, the theoretical parameters corresponding to the determined material types of the target device may be queried or calculated as initial parameter values of preset configuration parameters, and the initial parameter values are input into a simulation model to perform simulation. And then, modifying the parameter value of the preset configuration parameter within the preset value range of the theoretical parameter, and inputting the parameter value into a simulation model for simulation.
In one embodiment, under each equipment working condition, the parameter values of the preset configuration parameters are modified each time to simulate, and the modified parameter values, the corresponding internal temperature simulation values and the corresponding external temperature simulation values are recorded and stored.
Step 130, obtaining a parameter value of a preset configuration parameter corresponding to the simulation model when an error between the internal temperature simulation data and the internal temperature actual data is smaller than or equal to a first preset threshold value and an error between the external temperature simulation data and the external temperature actual data is smaller than or equal to a second preset threshold value.
In one embodiment, step 130 may specifically include: comparing the internal temperature simulation value corresponding to different parameter values under the equipment working condition with the internal temperature actual value, and comparing the external temperature simulation value corresponding to different parameter values under the equipment working condition with the external temperature actual value; and when the error between the internal temperature simulation value and the internal temperature actual value is smaller than or equal to the first preset threshold value, and the error between the external temperature simulation value and the external temperature actual value is smaller than or equal to the second preset threshold value, the parameter value of the preset configuration parameter corresponding to the simulation model is obtained.
Specifically, the purpose of modifying the parameter values of the preset configuration parameters is to obtain simulation results (i.e., an internal temperature simulation value and an external temperature simulation value) that are closer to the target values, so as to determine specific parameter values of the preset configuration parameters of the digital twin model. The optimal parameter value may be selected by comparing the error between the simulation result and the target value.
In this embodiment, a threshold is set for an error between the simulation result and the target value, specifically, it is determined whether an error between the internal temperature simulation value and the internal temperature actual value is less than or equal to a first preset threshold, and whether an error between the external temperature simulation value and the external temperature actual value is less than or equal to a second preset threshold. And when the two conditions are met, determining the corresponding parameter value as the parameter value of the preset configuration parameter of the input simulation model.
In order to obtain more accurate configuration parameters, in one embodiment, the first preset threshold value and the second preset threshold value are both zero, that is, there is no error between the internal temperature simulation value and the internal temperature actual value, and between the external temperature simulation value and the external temperature actual value, and when the two conditions are satisfied, the corresponding parameter values are determined as parameter values of preset configuration parameters of the input simulation model. That is, a parameter value consistent with an actual configuration parameter of the target device can be obtained, so that the constructed digital twin model can more accurately embody the working state of the target device, and thus, the accuracy of temperature monitoring is provided.
In one embodiment, since the internal temperature simulation values are data as input simulation model, the external temperature simulation values are obtained through simulation. In this embodiment, it may be determined that the error between the internal temperature simulation value and the internal temperature actual value is zero, and only it is required to determine whether the error between the external temperature simulation value and the external temperature actual value is less than or equal to the second preset threshold.
In order to improve accuracy of the parameter value of the preset configuration parameter, in one embodiment, the parameter value of the preset configuration parameter meeting the judgment condition may be determined according to the above judgment condition in multiple simulations performed under one device working condition. And when the simulation is carried out by adopting other equipment working conditions in the follow-up process, carrying out the simulation by adopting the parameter value of the preset configuration parameter, and verifying the accuracy of the parameter value. Further, multiple simulations can be performed according to different device working conditions, and the parameter value of the preset configuration parameter is adjusted to be close to or identical with the parameter value of the preset configuration parameter of the actual target device, so that the optimal parameter value of the preset configuration parameter of the digital twin model for constructing the target device is obtained.
And 140, constructing a digital twin model of the target equipment based on the parameter values of the preset configuration parameters and the mapping relation between the different equipment working conditions and the internal temperature actual data, so as to monitor the internal temperature distribution condition of the target equipment based on the digital twin model.
Specifically, based on different device working conditions and corresponding internal temperature actual data, a mapping relation between the two can be determined, and a digital twin model of the target device is constructed based on the mapping relation, so that when the digital twin model obtains the real-time working condition of the target device in actual application, the real-time internal temperature of the target device can be obtained through the mapping relation, and the internal temperature distribution condition of the target device is monitored.
In one embodiment, the overall internal temperature distribution condition of the target device can be obtained by analyzing and calculating based on the internal temperature actual data through a digital twin technology.
Specifically, the collected internal temperature actual data relate to temperature values of one or more areas inside the target equipment, and the temperature values of other areas inside the target equipment can be analyzed and calculated through a digital twin technology, so that the temperature values are utilized to obtain the overall internal temperature distribution condition of the target equipment, and the overall temperature monitoring of the target equipment is realized.
In one embodiment, the internal temperature field can be generated based on the acquired internal temperature actual data and the analyzed and calculated internal temperature data of other areas and displayed in the digital twin model, so that the internal temperature field of the digital twin model, namely the temperature visualization, can be displayed through the display, and the internal temperature distribution condition of the target equipment can be acquired more intuitively by a user.
In one embodiment, the mapping relationship may further include corresponding external temperature actual data, so that the digital twin model may also monitor the external temperature distribution.
It should be noted that the invention can only adopt several equipment working conditions to simulate, construct a digital twin model, and can subsequently carry out a large amount of analysis and calculation based on parameters and data of several equipment working conditions by using a digital twin technology, obtain other equipment working conditions, and carry out simulation prediction according to the other equipment working conditions, so as to obtain corresponding internal temperature data, thereby obtaining a corresponding mapping relation. Through the digital twin technology, simulation prediction of most of the working conditions of the target equipment and even all the working conditions of the equipment can be realized, so that accurate monitoring of the internal temperature of the target equipment is realized.
In one embodiment, the prediction of the failure point of the target device may also be achieved through digital twinning techniques. Specifically, the failure point may refer to a component that fails to work or is damaged due to high temperature, and specifically, failure point information may be predicted, such as a physical coordinate/position of the component in the target device, loss of the component, heat transfer performance of the component, expected failure time of the component, and so on. The information of the failure point can be output, and the user can replace consumed parts in time according to the information of the failure point, so that the downtime risk of the target equipment is reduced.
The application phase of the digital twin model of the target device constructed by the present invention is described in detail below.
As shown in fig. 2, the invention further provides a method for monitoring the internal temperature of equipment, which can be applied to electronic equipment such as a computer, a smart phone, a tablet personal computer and the like, and the method specifically comprises the following steps:
step 210, obtaining a digital twin model of a target device; wherein the digital twin model is constructed based on the apparatus digital twin model construction method as described in any one of the above; .
Step 220, inputting the acquired real-time equipment working condition of the target equipment into the digital twin model, and acquiring the real-time internal temperature of the target equipment; the real-time internal temperature is determined based on the mapping relation between different equipment working conditions of the target equipment and the internal temperature.
And step 230, monitoring the internal temperature distribution condition of the target equipment based on the real-time internal temperature.
Specifically, the target device and the electronic device can be connected through wireless communication such as Bluetooth, wi-Fi and the like, and the target device can send real-time device working conditions to the digital twin model, so that the digital twin model determines real-time internal temperature corresponding to the real-time device working conditions according to the mapping relation between the device working conditions and the internal temperature, and further obtains and monitors internal temperature distribution conditions of the target device.
In one embodiment, step 230 may specifically include: determining a temperature control parameter of the temperature control device according to the real-time internal temperature; and controlling the temperature control device based on the temperature control parameter so as to keep the internal temperature of the target equipment within a preset temperature interval.
In this embodiment, the digital twin model may further control a temperature control device, and the internal temperature of the target device may be adjusted in real time by using the temperature control device, so that the internal temperature is kept within a temperature interval capable of normal operation or working, and the abnormality of the target device caused by high temperature is avoided.
Specifically, the temperature control device may be a device included in the target device itself, which may be disposed inside the target device, or may be disposed outside the target device (for example, a surface or a range near the outside is used in a matching manner); the temperature control device may also be an external device, and specifically, may form an internal device temperature monitoring system together with the internal device temperature monitoring device of the present invention, that is, the internal device temperature monitoring system includes an internal device temperature monitoring device and a temperature control device connected to the internal device temperature monitoring device, where the internal device temperature monitoring device may determine a temperature control parameter of the temperature control device according to the monitored real-time internal temperature of the target device; and controlling the temperature control device based on the temperature control parameter.
In one embodiment, the temperature control device comprises a cooling device, and the method may further comprise: and when the real-time internal temperature is greater than the temperature upper limit value of the preset temperature interval, increasing the cooling parameter of the cooling device.
Specifically, one of the main means of temperature control is cooling. When the real-time internal temperature of the target equipment exceeds the temperature upper limit value of the preset temperature interval, the cooling device can reduce the internal temperature of the target equipment to be within the preset temperature interval by increasing the cooling parameter of the cooling device.
In one embodiment, the cooling parameters may include at least one of: the flow rate of the cooling fluid, the flux of the cooling fluid, the flow rate of the cooling fluid, the cooling time, etc.
In one embodiment, the temperature control device further comprises a heating device, the method further comprising: and when the real-time internal temperature is smaller than the temperature lower limit value of the preset temperature interval, increasing the heating parameter of the heating device.
In this embodiment, in order to avoid that the real-time internal temperature of the target device is reduced to a temperature lower limit value smaller than the preset temperature interval to affect the normal operation of the target device, the internal temperature of the target device may be increased to the preset temperature interval by using the heating device.
In one embodiment, the heating parameters may include at least one of: heating power, heating temperature, heating time, etc.
It will be appreciated that the internal temperature of the target device is maintained within a preset temperature interval by the interaction of the cooling means and the heating means, so that the target device can be operated or operated normally.
In another embodiment, step 230 may specifically include: when the real-time internal temperature is not in the preset temperature interval, determining a temperature control parameter of the temperature control device; and starting the temperature control device based on the temperature control parameters so as to keep the internal temperature of the target equipment within a preset temperature interval.
In the embodiment, the temperature control device does not run in real time, and when the real-time internal temperature determined by the digital twin model according to the working condition of the real-time equipment exceeds the upper limit value of the temperature in the preset temperature interval, the temperature control device is controlled to be started to cool the target equipment; or when the real-time internal temperature determined by the digital twin model according to the working condition of the real-time equipment is lower than the temperature lower limit value of the preset temperature interval, controlling to start the temperature control device to heat the target equipment so as to keep the internal temperature of the target equipment within the preset temperature interval.
It can be understood that the digital twin model can analyze the real-time internal temperature and obtain the cooling parameters or heating parameters corresponding to the temperature reduction or heating, and precisely control the cooling device and the heating device, so that the operation of the target equipment is kept to be normal, and the operation efficiency of the target equipment is improved.
In one embodiment, the method may further comprise: and displaying a real-time internal temperature field of the target device in the digital twin model based on the real-time internal temperature. Therefore, when the method is applied, the internal temperature field of the digital twin model, namely the temperature visualization, can be displayed through the display, so that a user can acquire the internal temperature distribution condition of the target device more intuitively.
In one embodiment, the method may further comprise: predicting the acquired working condition of the real-time equipment and the real-time internal temperature by using the digital twin model to acquire a prediction result so as to acquire failure point information of the target equipment; the failure point information is information that the target equipment cannot operate due to high temperature.
Specifically, the failure point may refer to a component that fails to work or is damaged due to high temperature, and specifically, failure point information may be predicted, such as a physical coordinate/position of the component in the target device, loss of the component, heat transfer performance of the component, expected failure time of the component, and so on. The information of the failure point can be output, and the user can replace consumed parts in time according to the information of the failure point, so that the downtime risk of the target equipment is reduced.
The method for constructing the digital twin model of the equipment and monitoring the internal temperature of the equipment can be divided into two aspects: on the one hand, when a digital twin model of the target device is built, the preliminary simulation model under different device working conditions is simulated for multiple times, the internal temperature simulation data and the external temperature simulation data are made to be as close as possible to the internal temperature actual data and the external temperature actual data of the target device by modifying the parameter values of the preset configuration parameters, when the errors of the internal temperature simulation data and the internal temperature actual data are made to be smaller than or equal to a first preset threshold value and the errors of the external temperature simulation data and the external temperature actual data are made to be smaller than or equal to a second preset threshold value, the preset configuration parameters corresponding to the internal temperature simulation data and the external temperature actual data are determined to be the parameter values of the configuration parameters for building the digital twin model, the digital twin model of the target device is built based on the preset configuration parameters, and the mapping relation between different device working conditions and the internal temperature actual data is stored in the digital twin model.
On the other hand, in actual application, the real-time internal temperature of the target equipment can be obtained by only acquiring the working condition of the real-time equipment of the target equipment and inputting the working condition of the real-time equipment into the digital twin model, so that the internal temperature distribution condition of the target equipment is monitored. Therefore, the temperature probe is not required to be arranged in the target equipment, the sealing problem of a wiring and a wire outlet of the temperature probe in the target equipment is avoided, the temperature probe is not required to be maintained, and the maintenance cost is saved. And a digital twin model of the target equipment is built through a simulation means, compared with an experimental means, the method is simple to operate, the experimental investment cost is reduced, and meanwhile, the accuracy of temperature monitoring is improved by utilizing the digital twin model for monitoring.
The device for constructing the digital twin model of the equipment and the device for monitoring the internal temperature of the equipment, which are provided by the invention, are described below, the device for constructing the digital twin model of the equipment, which is described below, and the method for constructing the digital twin model of the equipment, which is described above, can be correspondingly referred to each other, and the device for monitoring the internal temperature of the equipment, which is described below, and the method for monitoring the internal temperature of the equipment, which is described above, can be correspondingly referred to each other.
As shown in fig. 3, the present invention provides a device digital twin model construction apparatus, comprising:
a first obtaining module 310, configured to construct a simulation model of a target device, and obtain internal temperature actual data and corresponding external temperature actual data of the target device under different device working conditions;
the second obtaining module 320 is configured to simulate the simulation model under the different device working conditions, and obtain internal temperature simulation data and corresponding external temperature simulation data of the simulation model;
a third obtaining module 330, configured to obtain a parameter value of a preset configuration parameter corresponding to the simulation model when an error between the internal temperature simulation data and the internal temperature actual data is less than or equal to a first preset threshold, and an error between the external temperature simulation data and the external temperature actual data is less than or equal to a second preset threshold;
The construction module 340 is configured to construct a digital twin model of the target device based on the parameter values of the preset configuration parameters, the mapping relationship between the different device working conditions and the internal temperature actual data, so as to monitor the internal temperature distribution condition of the target device based on the digital twin model.
In one embodiment, the simulating the simulation model under the different equipment working conditions to obtain the internal temperature simulation data and the corresponding external temperature simulation data of the simulation model includes:
inputting any one of the different device conditions into the simulation model;
and simulating the simulation model under the working condition of the equipment by using different parameter values of preset configuration parameters to obtain an internal temperature simulation value and a corresponding external temperature simulation value under the different parameter values.
In one embodiment, the internal temperature actual data includes an internal temperature actual value corresponding to at least one device operating condition, and the external temperature actual data includes an external temperature actual value corresponding to at least one device operating condition;
the obtaining the parameter value of the preset configuration parameter corresponding to the simulation model when the error between the internal temperature simulation data and the internal temperature actual data is smaller than or equal to a first preset threshold value and the error between the external temperature simulation data and the external temperature actual data is smaller than or equal to a second preset threshold value comprises the following steps:
Comparing the internal temperature simulation value corresponding to different parameter values under the equipment working condition with the internal temperature actual value, and comparing the external temperature simulation value corresponding to different parameter values under the equipment working condition with the external temperature actual value;
and when the error between the internal temperature simulation value and the internal temperature actual value is smaller than or equal to the first preset threshold value, and the error between the external temperature simulation value and the external temperature actual value is smaller than or equal to the second preset threshold value, the parameter value of the preset configuration parameter corresponding to the simulation model is obtained.
In one embodiment, the preset configuration parameters include at least one of: the physical properties of the material of the target device, the thermal conductivity parameters of the target device.
As shown in fig. 4, the present invention also provides another apparatus for monitoring the internal temperature of a device, including:
a calling module 410, configured to call a digital twin model of a target device; wherein the digital twin model is constructed based on the apparatus digital twin model constructing device as described above;
the obtaining module 420 is configured to input the collected real-time device working condition of the target device to the digital twin model, and obtain a real-time internal temperature of the target device; wherein the real-time internal temperature is determined based on the mapping relation between different equipment working conditions of the target equipment and the internal temperature;
And the monitoring module 430 is configured to monitor an internal temperature distribution of the target device based on the real-time internal temperature.
In one embodiment, the monitoring the internal temperature distribution of the target device based on the real-time internal temperature includes:
determining a temperature control parameter of the temperature control device according to the real-time internal temperature;
and controlling the temperature control device based on the temperature control parameter so as to keep the internal temperature of the target equipment within a preset temperature interval.
In one embodiment, the temperature control device comprises a cooling device, and the apparatus internal temperature monitoring device further comprises:
and the first adjusting module is used for increasing the cooling parameters of the cooling device when the real-time internal temperature is greater than the temperature upper limit value of the preset temperature interval.
In one embodiment, the cooling parameters include at least one of: the flow rate of the cooling fluid, the flux of the cooling fluid, the flow rate of the cooling fluid, and the cooling time.
In one embodiment, the temperature control device further comprises a heating device, and the apparatus internal temperature monitoring device further comprises:
and the second adjusting module is used for increasing the heating parameters of the heating device when the real-time internal temperature is smaller than the temperature lower limit value of the preset temperature interval.
In one embodiment, the monitoring the internal temperature distribution of the target device based on the real-time internal temperature includes:
when the real-time internal temperature is not in the preset temperature interval, determining a temperature control parameter of the temperature control device;
and starting the temperature control device based on the temperature control parameters so as to keep the internal temperature of the target equipment within a preset temperature interval.
In one embodiment, the apparatus internal temperature monitoring device further comprises:
the failure point acquisition module is used for predicting the acquired working condition of the real-time equipment and the real-time internal temperature by utilizing the digital twin model to acquire a prediction result so as to acquire failure point information of the target equipment; the failure point information is information that the target equipment cannot operate due to high temperature.
Fig. 5 illustrates a physical schematic diagram of an electronic device, as shown in fig. 5, which may include: processor 510, communication interface (Communications Interface) 520, memory 530, and communication bus 540, wherein processor 510, communication interface 520, memory 530 complete communication with each other through communication bus 540. The processor 510 may invoke logic instructions in the memory 530 to perform a device digital twin model building method or a device internal temperature monitoring method, the device digital twin model building method comprising: constructing a simulation model of target equipment, and acquiring internal temperature actual data and corresponding external temperature actual data of the target equipment under different equipment working conditions; simulating the simulation models under different equipment working conditions to obtain internal temperature simulation data and corresponding external temperature simulation data of the simulation models; acquiring parameter values of preset configuration parameters corresponding to the simulation model when the error between the internal temperature simulation data and the internal temperature actual data is smaller than or equal to a first preset threshold value and the error between the external temperature simulation data and the external temperature actual data is smaller than or equal to a second preset threshold value; and constructing a digital twin model of the target equipment based on the parameter values of the preset configuration parameters and the mapping relation between the working conditions of different equipment and the internal temperature actual data, so as to monitor the internal temperature distribution condition of the target equipment based on the digital twin model. Or alternatively, the process may be performed,
The method for monitoring the internal temperature of the equipment comprises the following steps: invoking a digital twin model of the target device; wherein the digital twin model is constructed based on the apparatus digital twin model construction method as described in any one of the above; inputting the acquired real-time equipment working condition of the target equipment into the digital twin model to acquire the real-time internal temperature of the target equipment; wherein the real-time internal temperature is determined based on the mapping relation between different equipment working conditions of the target equipment and the internal temperature; and monitoring the internal temperature distribution condition of the target equipment based on the real-time internal temperature.
Further, the logic instructions in the memory 530 described above may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product, where the computer program product includes a computer program, where the computer program can be stored on a non-transitory computer readable storage medium, where the computer program, when executed by a processor, can perform the device digital twin model construction method or the device internal temperature monitoring method provided by the above methods, where the device digital twin model construction method includes: constructing a simulation model of target equipment, and acquiring internal temperature actual data and corresponding external temperature actual data of the target equipment under different equipment working conditions; simulating the simulation models under different equipment working conditions to obtain internal temperature simulation data and corresponding external temperature simulation data of the simulation models; acquiring parameter values of preset configuration parameters corresponding to the simulation model when the error between the internal temperature simulation data and the internal temperature actual data is smaller than or equal to a first preset threshold value and the error between the external temperature simulation data and the external temperature actual data is smaller than or equal to a second preset threshold value; and constructing a digital twin model of the target equipment based on the parameter values of the preset configuration parameters and the mapping relation between the working conditions of different equipment and the internal temperature actual data, so as to monitor the internal temperature distribution condition of the target equipment based on the digital twin model. Or alternatively, the process may be performed,
The method for monitoring the internal temperature of the equipment comprises the following steps: invoking a digital twin model of the target device; wherein the digital twin model is constructed based on the apparatus digital twin model construction method as described in any one of the above; inputting the acquired real-time equipment working condition of the target equipment into the digital twin model to acquire the real-time internal temperature of the target equipment; wherein the real-time internal temperature is determined based on the mapping relation between different equipment working conditions of the target equipment and the internal temperature; and monitoring the internal temperature distribution condition of the target equipment based on the real-time internal temperature.
In still another aspect, the present invention further provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform the apparatus digital twin model construction method or the apparatus internal temperature monitoring method provided by the above methods, the apparatus digital twin model construction method comprising: constructing a simulation model of target equipment, and acquiring internal temperature actual data and corresponding external temperature actual data of the target equipment under different equipment working conditions; simulating the simulation models under different equipment working conditions to obtain internal temperature simulation data and corresponding external temperature simulation data of the simulation models; acquiring parameter values of preset configuration parameters corresponding to the simulation model when the error between the internal temperature simulation data and the internal temperature actual data is smaller than or equal to a first preset threshold value and the error between the external temperature simulation data and the external temperature actual data is smaller than or equal to a second preset threshold value; and constructing a digital twin model of the target equipment based on the parameter values of the preset configuration parameters and the mapping relation between the working conditions of different equipment and the internal temperature actual data, so as to monitor the internal temperature distribution condition of the target equipment based on the digital twin model. Or alternatively, the process may be performed,
The method for monitoring the internal temperature of the equipment comprises the following steps: invoking a digital twin model of the target device; wherein the digital twin model is constructed based on the apparatus digital twin model construction method as described in any one of the above; inputting the acquired real-time equipment working condition of the target equipment into the digital twin model to acquire the real-time internal temperature of the target equipment; wherein the real-time internal temperature is determined based on the mapping relation between different equipment working conditions of the target equipment and the internal temperature; and monitoring the internal temperature distribution condition of the target equipment based on the real-time internal temperature.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for constructing a digital twin model of a device, comprising:
constructing a simulation model of target equipment, and acquiring internal temperature actual data and corresponding external temperature actual data of the target equipment under different equipment working conditions;
simulating the simulation models under different equipment working conditions to obtain internal temperature simulation data and corresponding external temperature simulation data of the simulation models;
acquiring parameter values of preset configuration parameters corresponding to the simulation model when the error between the internal temperature simulation data and the internal temperature actual data is smaller than or equal to a first preset threshold value and the error between the external temperature simulation data and the external temperature actual data is smaller than or equal to a second preset threshold value;
and constructing a digital twin model of the target equipment based on the parameter values of the preset configuration parameters and the mapping relation between the working conditions of different equipment and the internal temperature actual data, so as to monitor the internal temperature distribution condition of the target equipment based on the digital twin model.
2. The method for constructing a digital twin model of a device according to claim 1, wherein simulating the simulation model under the different device conditions to obtain internal temperature simulation data and corresponding external temperature simulation data of the simulation model comprises:
Inputting any one of the different device conditions into the simulation model;
and simulating the simulation model under the working condition of the equipment by using different parameter values of preset configuration parameters to obtain an internal temperature simulation value and a corresponding external temperature simulation value under the different parameter values.
3. The method for constructing a digital twin model of a device according to claim 2, wherein the internal temperature actual data comprises an internal temperature actual value corresponding to at least one device condition, and the external temperature actual data comprises an external temperature actual value corresponding to at least one device condition;
the obtaining the parameter value of the preset configuration parameter corresponding to the simulation model when the error between the internal temperature simulation data and the internal temperature actual data is smaller than or equal to a first preset threshold value and the error between the external temperature simulation data and the external temperature actual data is smaller than or equal to a second preset threshold value comprises the following steps:
comparing the internal temperature simulation value corresponding to different parameter values under the working condition of the equipment with the internal temperature actual value, and comparing the external temperature simulation value corresponding to different parameter values under the working condition of the equipment with the external temperature actual value;
And when the error between the internal temperature simulation value and the internal temperature actual value is smaller than or equal to the first preset threshold value, and the error between the external temperature simulation value and the external temperature actual value is smaller than or equal to the second preset threshold value, the parameter value of the preset configuration parameter corresponding to the simulation model is obtained.
4. A method for monitoring the internal temperature of a device, comprising:
invoking a digital twin model of the target device; wherein the digital twin model is constructed based on the apparatus digital twin model construction method according to any one of claims 1 to 3;
inputting the acquired real-time equipment working condition of the target equipment into the digital twin model to acquire the real-time internal temperature of the target equipment; wherein the real-time internal temperature is determined based on the mapping relation between different equipment working conditions of the target equipment and the internal temperature;
and monitoring the internal temperature distribution condition of the target equipment based on the real-time internal temperature.
5. The apparatus internal temperature monitoring method according to claim 4, wherein the monitoring of the internal temperature distribution condition of the target apparatus based on the real-time internal temperature comprises:
Determining a temperature control parameter of the temperature control device according to the real-time internal temperature;
and controlling the temperature control device based on the temperature control parameter so as to keep the internal temperature of the target equipment within a preset temperature interval.
6. The method of monitoring an internal temperature of a device of claim 5, wherein the temperature control device comprises a cooling device, the method further comprising:
when the real-time internal temperature is greater than the temperature upper limit value of the preset temperature interval, increasing the cooling parameters of the cooling device; wherein the cooling parameters include at least one of: the flow rate of the cooling fluid, the flux of the cooling fluid, the flow rate of the cooling fluid, and the cooling time.
7. The method of monitoring the internal temperature of a device according to claim 5, wherein the temperature control device further comprises a heating device, the method further comprising:
and when the real-time internal temperature is smaller than the temperature lower limit value of the preset temperature interval, increasing the heating parameter of the heating device.
8. The apparatus internal temperature monitoring method according to claim 4, wherein the monitoring of the internal temperature distribution condition of the target apparatus based on the real-time internal temperature comprises:
When the real-time internal temperature is not in the preset temperature interval, determining a temperature control parameter of the temperature control device;
and starting the temperature control device based on the temperature control parameters so as to keep the internal temperature of the target equipment within a preset temperature interval.
9. A device digital twin model construction apparatus, comprising:
the first acquisition module is used for constructing a simulation model of the target equipment and acquiring internal temperature actual data and corresponding external temperature actual data of the target equipment under different equipment working conditions;
the second acquisition module is used for simulating the simulation models under different equipment working conditions to acquire internal temperature simulation data and corresponding external temperature simulation data of the simulation models;
a third obtaining module, configured to obtain a parameter value of a preset configuration parameter corresponding to the simulation model when an error between the internal temperature simulation data and the internal temperature actual data is less than or equal to a first preset threshold value, and an error between the external temperature simulation data and the external temperature actual data is less than or equal to a second preset threshold value;
the construction module is used for constructing a digital twin model of the target equipment based on the parameter values of the preset configuration parameters, the mapping relation between different equipment working conditions and the internal temperature actual data so as to monitor the internal temperature distribution condition of the target equipment based on the digital twin model.
10. An apparatus for monitoring the internal temperature of a device, comprising:
the calling module is used for calling the digital twin model of the target equipment; wherein the digital twin model is constructed based on the apparatus digital twin model constructing device of claim 9;
the acquisition module is used for inputting the acquired real-time equipment working condition of the target equipment into the digital twin model to acquire the real-time internal temperature of the target equipment; wherein the real-time internal temperature is determined based on the mapping relation between different equipment working conditions of the target equipment and the internal temperature;
and the monitoring module is used for monitoring the internal temperature distribution condition of the target equipment based on the real-time internal temperature.
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