CN112184881B - Multi-level overall process monitoring method for power equipment - Google Patents
Multi-level overall process monitoring method for power equipment Download PDFInfo
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Abstract
The invention discloses a multilevel overall process monitoring method for electrical equipment, which is characterized in that a three-dimensional scene is rendered and displayed in a specified area of a two-dimensional picture of the electrical equipment displaying an online running state; switching to a three-dimensional scene of corresponding equipment by activating equipment pictures in a two-dimensional picture; the three-dimensional scene is divided into a plurality of layers of three-dimensional scene models in sequence according to the connection relation of the power equipment; the switching among the three-dimensional scene models of multiple layers is realized by activating the movable parts with the layer link information in the three-dimensional scene models, and the display of the equipment information in the three-dimensional scene models of multiple layers is realized by the instantiated variable transmission. The invention provides a multilevel overall process monitoring method for power equipment, which realizes overall process monitoring from the whole power equipment structure to a single equipment detail, and improves equipment perception capability, defect discovery capability, state control capability and emergency handling capability of operation and maintenance personnel on the power equipment of a converter station.
Description
Technical Field
The invention relates to a multilevel overall process monitoring method for power equipment, and belongs to the technical field of real-time operation monitoring of power substations.
Background
In order to ensure safe operation of the power system, the operational state of important equipment of the system needs to be monitored. Various abnormal conditions of the equipment are discovered in time, so that the equipment can be maintained and replaced in time before the equipment is possibly broken down or the performance of the equipment is reduced to influence normal work, and accidents which endanger safety are avoided. The current monitoring mode mostly adopts the operation of the traditional two-dimensional picture monitoring equipment, but along with the increasing complexity of a power system, the existing monitoring mode cannot meet the requirement.
Especially, with the rapid development of ultrahigh voltage direct current transmission and flexible direct current transmission technologies, more and more converter station engineering construction and operation are performed, and the operation and maintenance work of the converter station is very important. However, the operation and maintenance means of the converter station is slow in development, the converter station still runs by using the traditional two-dimensional picture monitoring equipment, and the requirement for comprehensive monitoring of the converter station with hybrid alternating current and direct current and comprehensive operation of multiple subsystems is difficult to meet. In order to meet the requirement of high-quality development of a power grid, comprehensively enhance operation and maintenance management of the converter station, and ensure safe operation of the power grid and equipment, the operation and maintenance monitoring mode research of the converter station is necessary, the on-site equipment monitoring effect of the converter station is strengthened, and the monitoring capability of a power company on remote equipment of the converter station under jurisdiction is enhanced.
On the basis of a traditional two-dimensional monitoring picture, the two-dimensional and three-dimensional integrated visual monitoring can be realized for core equipment of power equipment, such as a converter valve of a converter station, based on actually acquired electrical and state data by fully utilizing the three-dimensional visualization technology, the network communication technology and other modern technologies, a visual virtual reality monitoring environment which is visual and intuitive is constructed, the visual effect is enhanced, visual simulation and exercise are provided for daily operation and maintenance work, and the scientificity of management is enhanced.
Disclosure of Invention
The purpose is as follows: the invention provides a multilevel overall process monitoring method for power equipment, which aims to solve the problems that the current power equipment operation and maintenance management monitoring means is insufficient, the physical and information fusion degree is low, and primary equipment cannot be intuitively controlled, and aims to enhance the monitoring effect of the power equipment and improve the operation and maintenance management level of the power equipment.
The technical scheme is as follows: in order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a multi-level overall process monitoring method for power equipment comprises the following steps:
rendering and displaying a three-dimensional scene in a specified area of a two-dimensional picture of the power equipment in an online running state;
switching to a three-dimensional scene of corresponding equipment by activating equipment pictures in a two-dimensional picture; the three-dimensional scene is sequentially divided into a plurality of layers of three-dimensional scene models according to the connection relation of the power equipment;
the switching among the three-dimensional scene models of multiple layers is realized by activating the movable parts with the layer link information in the three-dimensional scene models, and the display of the equipment information in the three-dimensional scene models of multiple layers is realized by the instantiated variable transmission.
Preferably, the three-dimensional scene model comprises a three-dimensional device model, an OSG movable part and an initial view angle, wherein the three-dimensional device model is a three-dimensional display model of the electric power device and is associated with a two-dimensional picture of the electric power device; the OSG active part is a part for indicating a state in a three-dimensional device model, and includes: the method comprises the following steps of associating parameters, a display decision and an action definition, wherein the associating parameters are parameters of an OSG activity part and a database in a two-dimensional picture, the display decision is used for displaying the state quantity and the numerical value of the OSG activity part, and the action definition is used for activating switching among a plurality of layers of three-dimensional scene models and activating switching of the OSG activity part corresponding to the two-dimensional picture; the initial view is the view position of the three-dimensional display model.
As a preferred scheme, the three-dimensional scene models of multiple levels are refined layer by layer according to levels.
As a preferred scheme, the specified area is defined by adopting a three-dimensional control, the three-dimensional control is developed based on an OSG development kit and a QT middleware according to a graphics platform MCanvas interface standard, and the three-dimensional control comprises a component entity class and a component attribute editor; the component entity class is inherited from a universal control interface of the two-dimensional graphic platform; the component property editor is a window, and the editing content of the component property editor comprises the following steps: title, three-dimensional scene model file and parameters; the title is a common text; selecting a three-dimensional scene model created and stored by a three-dimensional scene configuration tool from the three-dimensional scene model file; the parameters are data parameters in the three-dimensional scene model and are associated with specific data objects in the database.
As a preferred solution, the three-dimensional scene configuration tool implements the following functions: scene management, which provides the functions of building and opening a three-dimensional scene model; the part management, the OSG active part object defined by 3dsmax is listed in the three-dimensional scene configuration tool, one OSG active part object is selected, and the configuration content is displayed on the right side; parameter management, selecting or creating parameters from a node editing interface; component definition, selecting parameters for OSG active components or directly setting data objects, defining display and defining scene skip; and the preview function can select all scenes or a certain node to preview and display, and set the roaming visual angle position as an initialized visual angle.
As a preferred scheme, the device pictures in the two-dimensional picture are consistent with the three-dimensional device model through device names and are mutually positioned, an OSG movable part in the three-dimensional device model is activated, and the device pictures in the two-dimensional picture can be highlighted; and activating an OSG movable part in the two-dimensional in-picture device picture, and automatically switching the three-dimensional device model to a corresponding view angle.
As a preferred scheme, the method for realizing the display of the device information in the multi-level three-dimensional scene model through instantiated variable transmission comprises the following steps:
endowing the root node of the three-dimensional equipment model with a three-dimensional window of a three-dimensional control, and performing display decision on an OSG movable part so as to display the actual state of equipment; performing roaming operation according to input of a mouse and a keyboard to realize the amplification and reduction, rotation and double-click positioning of a three-dimensional equipment model and the linkage between the three-dimensional equipment model and an equipment picture in a two-dimensional picture; and displaying information of the OSG movable part or the three-dimensional equipment model in a HUD mode according to the associated parameters and the mouse position.
Has the advantages that: the invention provides a multi-level overall process monitoring method for electrical equipment, which is based on multi-level scene modeling and two-three-dimensional integrated design, realizes overall process monitoring from the overall structure of the electrical equipment to the details of single equipment, and improves equipment perception capability, defect discovery capability, state control capability and emergency handling capability of operation and maintenance personnel on the electrical equipment.
The method constructs visual virtual reality monitoring environment, uses visual three-dimensional display equipment electrical and state data to facilitate visual display of equipment information query results, strengthens the monitoring effect of the electric power equipment, and enhances the remote equipment monitoring capability of the electric power company on the governed electric power equipment.
The method can be widely used for monitoring the operation of the main equipment of a converter station, an extra-high voltage transformer substation and an extra-high voltage transformer substation. The characteristics of intuition and reality of a three-dimensional scene and the advantages of conciseness, abstraction and rationality of a two-dimensional picture are fully exerted, the equipment perception capability of a user on the electric power equipment is improved, and the operation and maintenance requirements of the electric power equipment are better met. Based on the method, the scene can meet the requirement by constructing a three-dimensional model, so that the modeling workload and the model size of the three-dimensional scene model can be greatly reduced.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the process of the present invention;
FIG. 2 is a functional block diagram of the development software of the present invention;
FIG. 3 is a schematic diagram of a drawing process of a three-dimensional control;
FIG. 4 is a schematic diagram of a node callback object processing process;
fig. 5 is a schematic diagram of a scene switching process.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a multilevel overall process monitoring method for a converter station by taking converter station equipment in power equipment as an example of a monitoring object, which is based on a traditional two-dimensional picture and an embedded three-dimensional control, and realizes multilevel scene switching and variable transmission by the steps of constructing a multilevel three-dimensional scene model of the converter station, defining three-dimensional equipment model logic, defining a multilevel three-dimensional scene model, drawing a three-dimensional control in the two-dimensional picture, displaying the running of the multilevel three-dimensional scene model, etc., constructing a two-dimensional overall process three-dimensional monitoring picture from a total station, a direct current field, a converter valve, an alternating current field, a main control room to a single equipment, and displaying electrical and state data of the equipment visually by using the intuitive three-dimensional display equipment, so as to facilitate the intuitive display of equipment information query results and enhance visual effects.
As shown in FIG. 2, the development and implementation of the invention is a three-dimensional visual control developed based on an OSG (OpenSceneGraph) development kit and QT middleware, and the three-dimensional visual control interface adopts the interface standards of PCS-9700 and PCS-9000 picture platforms and can be embedded into PCS-9700 and PCS-9000 two-dimensional pictures for editing and running. Before the embodiment is implemented, the following preparation work is realized:
(1) the three-dimensional scene configuration tool is developed, and a three-dimensional scene model can be constructed for each (or each type of) equipment, wherein the three-dimensional scene model comprises the three-dimensional equipment model, OSG movable part definition information, an initial view angle and the like. The three-dimensional scene configuration tool mainly realizes the following functions: scene management, which provides the functions of building and opening a three-dimensional scene model; the part management, the OSG active part object defined by 3dsmax is listed in the three-dimensional scene configuration tool, one OSG active part object is selected, and the configuration content is displayed on the right side; parameter management, selecting or creating parameters from a node editing interface; component definition, selecting parameters or directly setting data objects, defining display and defining scene jump for OSG active components; and the preview function can select all scenes or a certain node for preview display, and can set the roaming visual angle position as an initialized visual angle.
(2) The method comprises the steps of developing a three-dimensional control, wherein the three-dimensional control developed based on an OSG development kit and QT middleware comprises a component entity class and a component attribute editor according to a graphics platform MCanvas interface standard. The component entity class inherits from a universal control interface of the graphic platform, and realizes the drawing process with emphasis except for the need of reloading information storage related methods. The drawing process is shown in fig. 3.
The component property editor is a window, and the editing content comprises: title, three-dimensional scene model file and parameters. Wherein, the title is a common text; selecting a three-dimensional scene model created and stored by a three-dimensional scene configuration tool from the three-dimensional scene model file; the parameters are data parameters in the three-dimensional scene model and are associated with specific data objects in the database.
The specific embodiment process is a multi-level overall process monitoring method for a converter station, and comprises the following steps:
step 1: and constructing a three-dimensional equipment model of the total station power equipment of the converter station.
Firstly, fully investigating the equipment condition of a product or a project site, and making clear the following contents:
(1) the type and appearance of the device that requires three-dimensional monitoring, and the actual photographs taken of the device when necessary.
(2) And (3) for each type of equipment, determining the measuring points or states to be displayed, and acquiring actual photos of the measuring points or states when necessary.
(3) And (4) device hierarchical relation. And when the three-dimensional display is clear, the hierarchical sequence of the equipment is viewed according to the connection relation of the equipment.
(4) And collecting the current situation of the three-dimensional model of the equipment, and explicitly modeling schemes, such as importing or re-modeling.
And after the investigation is finished, forming an equipment summary table. And constructing a three-dimensional equipment model of the equipment according to the equipment summary table. In the case, a 3dsmax tool is adopted, and a converter station main equipment model is constructed according to a real proportion. When the equipment model is drawn, the whole equipment can be simplified, the key parts are as vivid as possible, and the outside adopts texture mapping as possible. The drawing requirements of the three-dimensional equipment model are as follows: (1) the model is properly simplified, and a single three-dimensional scene model is controlled within 30 ten thousand pictures, so that the consumption of background monitoring resources is reduced, and the display rendering speed is increased. (2) Ensuring the appearance of the product is consistent with the appearance of the real object. (3) Further processing can be done in 3 dsmax.
Step 2: logic that defines a three-dimensional device model.
In order to display actual data, the three-dimensional equipment model needs to be further processed in 3dsmax software, and OSG movable parts are added. Definition of OSG active parts: the manufacture of a complete model requires the splicing formation of small parts, and the small parts are used for dynamically indicating components of a three-dimensional equipment model, such as switch position indication, signal lamps, key gauges and the like. And if a complete valve tower model needs to be formed by splicing a valve module, a valve arrester, a valve water-cooling pipe and other small parts. If some widgets need to follow changes in the actual running state of the field, then there is a need to associate relevant remote signaling points of the database in the screen. The OSG movable part adopts a mode of adding OSG in a model, namely a Switch node, and the three-dimensional equipment model comprises a three-dimensional equipment model with the added OSG movable part and a three-dimensional equipment model without the OSG movable part. The three-dimensional equipment model added with the OSG movable parts obtains names according to a three-section mode, the names of the movable parts cannot be repeated, and the naming format adopts: component type _ device number _ component type name, such as SW _ F2011_ STATE. The method is convenient for automatic matching and association with real-time data and automatic decision generation during the three-dimensional scene model production.
And step 3: a multi-level three-dimensional scene model is defined.
And creating a plurality of three-dimensional scene models by adopting a three-dimensional scene configuration tool, wherein each three-dimensional scene model comprises a three-dimensional equipment model, an OSG movable part, an initial view angle and the like. When a new three-dimensional scene model is created, a scene name is input, and the three-dimensional scene model is selected, so that a new scene can be created. The converter station is divided into a plurality of layers of three-dimensional scene models, and the first layer is a whole three-dimensional model of the total station and is used for monitoring the total station layout and the total station state; the second level is the refinement of the first level, such as a direct current field, a valve hall, an alternating current field and a control room screen; the third level is the refinement of the second level, such as valve banks, circuit breakers, filters and grounding electrodes of all direct current poles of a direct current field, a converter valve tower of a valve hall, all intervals of an alternating current field and all screen cabinets of a control room; the fourth level is the refinement of the third level, such as an inner water cooling model, an outer water cooling model and a current conversion model for further refining the high-end valve group, and a valve layer and a single module for further refining the valve tower. According to the principle, multilayer division and modeling of the total station equipment are carried out.
And defining the OSG movable part of the three-dimensional equipment model in the three-dimensional scene model. In the component management of the three-dimensional scene configuration tool, active components are sequentially selected, and are defined for associated parameters, configuration display decisions and configuration actions.
(1) And associating the parameters. Parameters that need to be associated are selected from the parameter list for the OSG active part.
(2) And configuring a display decision. The display decision comprises OSG active component state quantity display and numerical value display, wherein the state quantity display generally refers to the OSG active components indicated by traffic lights or switching positions, and the numerical value display refers to the OSG active components of data. The display decision types and their parameter definitions are shown in table 1.
Table 1 shows decision types and their parameters
(3) And (4) defining the action. The action definition information includes the action type and parameters required for the action. There are two main types of actions: scene switching and picture switching. The parameter definition is shown in table 2, and one component corresponds to only one action definition.
TABLE 2 action definition information
For the scene switching type, the parameter information refers to hierarchical relationship information between scenes, that is, link information and variable transfer information entering a next scene from a certain model of the scene, and includes a next three-dimensional scene name and a mapping table of the scene variable and the next scene variable. The parameter of scene switching is a target scene name, and the content is that' target scene parameter 1 is the scene parameter 1; the target scene parameter 2 is the present scene parameter 2; the target scene parameter 3 is the present scene parameter 3 ". The meaning of the method is that the data object associated with the scene parameter is transmitted to the parameter corresponding to the target scene.
For the picture switching type, the parameter of the picture switching is a complete picture name, and the picture name in the case of the scheme comprises a picture application name, a picture type, a picture name and a target application name.
And (5) saving the scene. After the parameters of the scene are configured, the scene is stored as a three-dimensional scene model file. The three-dimensional scene model file is stored in an XML format, and the three-dimensional scene model file comprises the following contents: model file names, parameter definitions, activity part tables and data associations of activity parts, display decision parameters and action definition parameters.
And 4, step 4: and drawing the three-dimensional control in the traditional picture.
And drawing an OSG three-dimensional control object on the picture. The same as a normal primitive, can be resized and the property editing window can be entered by double-clicking.
And selecting a three-dimensional scene model file for the three-dimensional control object in the attribute editing window. The alternate three-dimensional scene model file is from a file previously saved in the three-dimensional scene configuration tool.
And in the attribute editing window, after the three-dimensional scene model file is selected, automatically listing a parameter list defined by the scene. The parameter list contains parameter names, device descriptions, and data source information.
The parameter name is the parameter name defined by the OSG movable part when the three-dimensional scene model is defined.
The device name is the basis for two-dimensional and three-dimensional interaction. If the movable part is a switch, generally a converter valve, a transformer, a switch, a disconnecting link, a grounding switch and the like, the name needs to be the same as the name of primary equipment in the database; if the movable part is some other remote signaling, like a live signal of a converter transformer, etc., the name needs to be consistent with the corresponding remote signaling name. The reason for keeping consistency is that the two-dimensional graph and the three-dimensional graph in the picture have a mutual positioning function: clicking a part in the three-dimensional control, and highlighting the two-dimensional image; clicking the part in the two-dimensional graph can automatically switch the three-dimensional graph to the corresponding view angle. Only if the device names remain consistent can the devices be located relative to each other.
The device description is used to display HUD information of the three-dimensional device model or OSG active part in the three-dimensional scene model. After the description is filled in, clicking the movable part in the three-dimensional graph, displaying the content in the description at the lower left corner of the page, and setting the content as required.
The data source information is used for setting the relevant database measuring point. Corresponding stations can be selected from the database for association.
After the information is configured for each parameter, the association between the three-dimensional scene and the database measuring point is completed, and the editing work of the three-dimensional control object is also completed.
And 5: and running and displaying a multi-level three-dimensional scene model.
And drawing the three-dimensional control object on the two-dimensional picture, and after the three-dimensional scene model file is selected for the three-dimensional control object to be associated with the data, opening the picture in an online operation tool for operation.
When the picture enters an online running state, the three-dimensional control renders and displays the three-dimensional scene in a specified area of the picture, and makes a decision on an OSG movable part so as to display the actual state of the equipment; performing roaming operation according to input of a mouse and a keyboard to realize interaction of model magnification and reduction, rotation, double-click positioning and the like and linkage with a primitive object in a two-dimensional picture; information of the OSG movable part or the three-dimensional device model is displayed in a HUD (head-up display) manner according to the scene definition information and the mouse position. The process is as follows:
(1) and loading a scene file and displaying the three-dimensional scene.
And when the three-dimensional control is initialized, reading in the configured three-dimensional scene model file, and acquiring a three-dimensional equipment model, an OSG movable part and an initial view angle from the three-dimensional scene model file. And loading the three-dimensional equipment model, and synchronously acquiring an OSG movable part (OSG Node) table in the loading process. After loading is finished, finding out corresponding definition information according to the movable part table, and establishing a mapping table between the movable part table and the definition information.
After the three-dimensional scene model is loaded, the three-dimensional equipment model root node is endowed with a three-dimensional window of the three-dimensional control, and then the three-dimensional scene can be displayed in the control area. And setting the initial view angle to a camera controller of the three-dimensional window according to the initial view angle defined in the three-dimensional scene model file, and displaying the three-dimensional scene as the initial view angle.
(2) The update status is recalled.
The three-dimensional scene model is a three-dimensional device model rendered by frames, and a callback object is provided for each OSG active node in the rendering process to allow the OSG active node to change the display appearance. In the three-dimensional control, the callback object of each OSG active node is analyzed according to predefined information, real-time operation data of equipment is obtained from a database, the appearance of the active component is changed according to the real-time operation data, and the consistency of the equipment state and the power grid simulation state during scene display is ensured. The specific analysis process in the callback object of the node is shown in fig. 4.
(3) And (5) man-machine interaction processing.
And when the picture enters an online running state, the online running tool reads the two-dimensional and three-dimensional fusion picture and refreshes the two-dimensional primitives and the three-dimensional control object in the display picture. And reading the detailed configuration information corresponding to the three-dimensional scene model by the object of the three-dimensional control according to the selected three-dimensional scene model, and displaying the three-dimensional scene in the specified area of the picture. The three-dimensional control processes mouse and keyboard events, realizes interaction of three-dimensional scene models such as amplification and reduction, rotation, double-click positioning and the like, and realizes linkage with primitive objects in a two-dimensional picture. The three-dimensional control refreshes the state of the OSG active part in the scene through the display decision; and the three-dimensional control switches scenes based on the hierarchical relation information among the scenes.
The three-dimensional control realizes two-three-dimensional interaction between the three-dimensional scene model and the two-dimensional graphic primitive. And the three-dimensional control in the picture and the online running tool adopt a json mode to send messages to realize interaction. The method comprises the steps that when a three-dimensional device model in the three-dimensional control is clicked, in-process information is sent to an online operation tool, extensible json character strings are adopted in the content of the information, after the online operation tool receives the information, the character strings are analyzed, information such as action types and action parameters (device ID and picture names) is obtained, and predetermined operation is executed, such as highlighting of corresponding two-dimensional graphic elements or switching pictures. And vice versa.
The three-dimensional scene model roaming and the clicking operation of the OSG movable part or the three-dimensional equipment model in the three-dimensional control are realized by a camera manipulator. The processing method of the mouse and the keyboard in the camera controller is shown in table 3.
TABLE 3 mouse and keyboard processing mode
When mouse click, double click and mouse movement events are processed, objects in the three-dimensional scene model need to be clicked. And selecting a clicked or double-clicked component in the camera manipulator through a point, and executing a corresponding action command after the component is selected. The clicking method is that through the positions x and y of the clicks in the screen, the emitted ray intersects with the objects in the scene, and an intersecting path formed by the passed objects is obtained. There are generally two paths (two passes in both directions), and the object in the first path is traversed to find the clicked OSG active part or three-dimensional device model.
The three-dimensional scene model switching is also completed through the processing of a mouse and a keyboard. When the user moves the mouse, the three-dimensional control displays device information or hierarchical link information of the OSG active part in a HUD (head-up display) manner according to the motion definition parameter and the mouse position. When the user clicks the OSG active part with hierarchical link information, the execution process is as shown in fig. 5, and according to the hierarchical relationship information between the three-dimensional scene models, the next three-dimensional scene model is switched to, and the instantiated variables are passed through, so as to construct the whole process monitoring from "total station" to "single equipment detail".
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (7)
1. A multi-level overall process monitoring method for power equipment is characterized in that: comprises the following steps:
rendering and displaying a three-dimensional scene in a specified area of a two-dimensional picture of the power equipment in an online running state;
switching to a three-dimensional scene of corresponding equipment by activating equipment pictures in a two-dimensional picture; the three-dimensional scene is sequentially divided into a plurality of layers of three-dimensional scene models according to the connection relation of the power equipment;
the switching among the three-dimensional scene models of multiple layers is realized by activating the movable components with the layer link information in the three-dimensional scene models, and the display of the equipment information in the three-dimensional scene models of multiple layers is realized by instantiated variable transmission.
2. The method for multi-level overall process monitoring of power equipment according to claim 1, wherein: the three-dimensional scene model comprises a three-dimensional equipment model, an OSG movable part and an initial view angle, wherein the three-dimensional equipment model is a three-dimensional display model of the electric power equipment and is associated with a two-dimensional picture of the electric power equipment; the OSG active part is a part for indicating a state in a three-dimensional device model, and includes: the method comprises the steps of associating parameters, display decisions and action definitions, wherein the associating parameters are parameters of an OSG activity part and a database in a two-dimensional picture, the display decisions are used for displaying state quantity and numerical value of the OSG activity part, and the action definitions are used for activating switching among a plurality of layers of three-dimensional scene models and activating switching of the two-dimensional picture corresponding to the OSG activity part; the initial view is the view position of the three-dimensional display model.
3. The method for multi-level overall process monitoring of power equipment according to claim 1, wherein: and refining the three-dimensional scene models of multiple layers layer by layer.
4. The method for multi-level overall process monitoring of power equipment according to claim 1, wherein: the specified area is defined by adopting a three-dimensional control, the three-dimensional control is developed based on an OSG development kit and a QT middleware according to a graphics platform MCanvas interface standard, and the three-dimensional control comprises a component entity class and a component attribute editor; the component entity class is inherited from a universal control interface of the two-dimensional graphic platform; the component property editor is a window, and the editing content of the component property editor comprises the following steps: title, three-dimensional scene model file and parameters; the title is a common text; selecting a three-dimensional scene model created and stored by a three-dimensional scene configuration tool from the three-dimensional scene model file; the parameters are data parameters in the three-dimensional scene model and are associated with specific data objects in the database.
5. The method of claim 4, wherein the method comprises: the three-dimensional scene configuration tool realizes the following functions: scene management, which provides the functions of building and opening a three-dimensional scene model; the method comprises the following steps of part management, wherein OSG active part objects defined by 3dsmax are listed in a three-dimensional scene configuration tool, one OSG active part object is selected, and the configuration content of the OSG active part object is displayed on the right side; parameter management, selecting or creating parameters from a node editing interface; component definition, selecting parameters or directly setting data objects, defining display and defining scene jump for OSG active components; and the preview function is to select all scenes or a certain node to preview and display, and set the roaming visual angle position as an initialized visual angle.
6. The method for multi-level overall process monitoring of power equipment according to claim 1, wherein: the device pictures in the two-dimensional picture are consistent with the three-dimensional device model through the device names and are mutually positioned, an OSG movable part in the three-dimensional device model is activated, and the device pictures in the two-dimensional picture can be highlighted; and activating an OSG movable part in the device picture in the two-dimensional picture, and automatically switching the three-dimensional device model to a corresponding view angle.
7. The power equipment multilevel whole process monitoring method according to any one of claims 1 to 6, characterized in that: the method for realizing the display of the equipment information in the three-dimensional scene models with multiple layers by the instantiated variable transmission comprises the following steps:
endowing a three-dimensional equipment model root node with a three-dimensional window of a three-dimensional control, and carrying out display decision on an OSG movable part so as to display the actual state of equipment; performing roaming operation according to input of a mouse and a keyboard to realize the amplification and reduction, rotation and double-click positioning of a three-dimensional equipment model and the linkage between the three-dimensional equipment model and an equipment picture in a two-dimensional picture; and displaying information of the OSG movable part or the three-dimensional equipment model in a HUD mode according to the associated parameters and the mouse position.
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