阅读说明：本技术 一种喷涂车间运行状态可视化系统的构建方法 (Construction method of spray painting workshop operation state visualization system ) 是由 谢敏 余志强 王攀 李仁宏 杨晶 刘磊 李星彤 于 2021-10-25 设计创作，主要内容包括：本发明提出了一种喷涂车间运行状态可视化系统的构建方法,通过采集喷涂车间运行状态数据,构建喷涂车间数字化模型,并基于采集到的实时数据进行数据可视化以及车间数字化模型的同步更新,实现喷涂车间的虚-实同步,从而支持管理人员在全面、直观掌握喷涂车间运行状态的情况下进行决策和优化。解决了当前喷涂车间运行状态可视化面临的数据采集不充分、数据展示形式单调、虚-实同步性差的问题。(The invention provides a construction method of a spray painting workshop operation state visualization system, which is characterized in that a spray painting workshop digital model is constructed by collecting spray painting workshop operation state data, and data visualization and synchronous update of the workshop digital model are carried out based on the collected real-time data, so that virtual-real synchronization of the spray painting workshop is realized, and therefore, management personnel are supported to make decisions and optimize under the condition of comprehensively and intuitively mastering the spray painting workshop operation state. The problems of insufficient data acquisition, monotonous data display form and poor virtual-real synchronism faced by the visualization of the running state of the current spraying workshop are solved.)

1. A construction method of a visual system of an operation state of a spraying workshop is characterized by comprising the following steps:

step 1: developing data acquisition service, and acquiring spraying workshop running state data, wherein the spraying workshop running state data comprises spraying robot state data, spray gun data, spraying process data, coating allowance data, oven data, AGV trolley data, coating supply device data, workpiece data and personnel data;

step 2: constructing a data layer, sending the collected spraying workshop operation state data to the data layer, and storing the received spraying workshop operation state data in the data layer;

and step 3: a logic layer is constructed, a data interaction service module is constructed in the logic layer to receive data sent by the data layer, and a spraying workshop digital model generation module connected with the data interaction service module is constructed in the logic layer; the method comprises the steps that a data interaction service module receives collected spraying workshop running state data, physical spraying workshop production elements are selected from the data interaction service module and sent to a spraying workshop digital model generation module, and a spraying workshop digital model is constructed through the physical spraying workshop production elements; the production elements of the physical spraying workshop comprise spraying robot state data, spray gun data, paint supply device data, oven data and personnel data;

and 4, step 4: a data analysis service module connected with the data interaction service module is arranged in the logic layer to analyze the running state data of the spraying workshop;

and 5: constructing a functional layer, and constructing a data display module and a scene display module in the functional layer; the data display module is internally provided with an early warning setting unit, a performance index data display unit, a robot state data display unit, a coating allowance display unit, a spraying process data display unit and an oven data display unit which are respectively connected with the data interaction service module; the scene display module comprises a three-dimensional scene browsing unit and a three-dimensional scene synchronous updating unit which are connected with the spraying workshop digital model generating module.

2. The construction method of the visual system of the running state of the painting workshop according to claim 1, wherein in the step 2, a data acquisition service module, a memory database and a relational database are arranged in the data layer, and the data acquisition service module receives the acquired running state data of the painting workshop, sends the data to the memory database for storage, and then sends the data to the data interaction service module through the memory database; and the relational database is connected with the data interaction service module.

3. A method for constructing a visual system of an operation state of a painting shop according to claim 1, wherein in the step 1:

the workpiece data comprises a timestamp, a batch number, a workpiece type, position coordinates and a current process;

the spraying robot state data comprises a timestamp, a robot equipment number, a robot joint angle, accumulated running time, fault information and alarm information;

the spraying process data comprises a timestamp, a spray gun number, a current program number, a current brush number, a flow value, an atomization value, a sector value, a feeding group number, an electrostatic switch state, an electrostatic voltage value, a spraying accumulated flow and a color changing valve state;

the paint allowance data comprises a timestamp, a feeding lease number, a residual paint volume and a maximum paint capacity;

the personnel data includes a time stamp, a personnel number, position coordinates, and current work information.

4. The method for constructing a visual system of the operation state of the painting workshop according to claim 1, wherein in the step 3, the operation for constructing the digital model of the painting workshop is as follows:

firstly, constructing a geometric model of production elements of a spraying workshop;

secondly, carrying out lightweight treatment on the constructed geometric model, adding materials and a mapping, and realizing construction of a physical model;

then, based on the physical model obtained by processing, a behavior model is constructed, so that the physical model has behavior characteristics, which specifically comprises the following steps: movement of robot joints, workpiece translation, spray gun on/off, paint supply on/off, oven on/off, and personnel translation;

and finally, integrating the geometric model, the physical model and the behavior model to form a digital model of the spraying workshop.

5. The construction method of the visual system of the operation state of the painting workshop according to claim 1, wherein the operation of the data interaction service module constructed in the step 3 is specifically as follows:

firstly, calculating the performance index of a spraying workshop based on the running state data of the spraying workshop; the performance indexes of the spraying workshop comprise the output in the day, the accumulated output, the estimated output and the average utilization rate of equipment

Then, based on a parameter early warning interval customized by a user, identifying abnormal spraying workshop operation state data; the parameter early warning intervals comprise a flow value early warning interval, an atomization value early warning interval, a sector value early warning interval, an electrostatic voltage value early warning interval, an oven temperature value early warning interval, a residual coating volume early warning interval, an estimated yield early warning interval and an equipment average utilization rate early warning interval.

6. The construction method of the visual system of the running state of the painting workshop according to claim 1, characterized in that a pre-warning setting unit is used for human-computer interaction to perform user-defined parameter pre-warning intervals;

the robot state data display unit displays the robot state data in a mode of combining numbers, instrument panels and curves;

the spraying process data display unit displays the spraying process data in a mode of combining numbers, instrument panels and curves;

the performance index data display unit displays the performance index data in a mode of combining numbers, instrument panels and curves;

the paint allowance display unit displays the paint allowance in a mode of an instrument panel;

the oven data display unit displays the temperature of the oven in a digital mode.

7. The construction method of the system for visualizing the operation state of the painting workshop as claimed in claim 1, wherein the three-dimensional scene browsing unit is adopted to perform rotation, translation, view angle switching and scene roaming of the three-dimensional scene of the painting workshop.

8. The construction method of the visual system of the operation state of the painting workshop according to claim 1, characterized in that the three-dimensional scene synchronous updating unit is adopted to drive the digital model of the painting workshop to update synchronously the acquired operation state data of the painting workshop, so that the virtual painting workshop and the physical painting workshop are updated synchronously.

9. The method for constructing a visual system of an operating condition of a painting shop according to claim 2, wherein the data interaction service module provides data interaction services including:

the data interaction service module reads the running state data of the spraying workshop from the memory database;

the data interaction service module pushes the spraying workshop running state data to the data analysis service module, and the data analysis service module feeds back the spraying workshop yield data and the abnormal spraying workshop running state data to the data interaction service module;

the data interaction service module pushes the running state data of the spraying workshop to the spraying workshop digital model generation module, and the generated spraying workshop digital model feeds back message data of the synchronous updating completion of the three-dimensional scene to the data interaction service module;

the data interaction service module pushes running state data and yield data to the data display module, and the data display module sends a request and a data updating completion message to the data interaction service;

and the data interaction service module performs addition, reading and deletion operations on the historical running state data and the performance data in the relational database.

Technical Field

The invention belongs to the technical field of spraying workshops for manufacturing intelligent equipment, and particularly relates to a construction method of a spraying workshop operation state visualization system.

Background

Spraying is a typical surface treatment process and is widely used in manufacturing and maintaining products such as automobiles, airplanes, ships and the like. The spraying workshop is a manufacturing unit constructed by enterprises facing the spraying production, and the management and control level of the spraying workshop has important significance for reducing the research and development cost and improving the quality of the spraying production.

The visualization of the running state of the spraying workshop is an important aspect for improving the management and control level of the spraying workshop, and the visualization can be used for displaying the equipment state, the process state, the logistics process and the like in the spraying workshop, so that a manager can comprehensively master the actual situation of the spraying workshop, and the decision of the manager is supported. However, the current research and application of visualization of the operating state of a painting plant still faces some problems, which are mainly reflected in: with the application of equipment such as a spraying robot and the like, the automation level of a spraying workshop is gradually improved, but the equipment state data is not effectively collected and visualized; visualization of two-dimensional form data is common, and improvement on diversified display of data is needed; the real-time performance of the data, especially the virtual-real synchronization between the physical workshop and the virtual workshop needs to be improved.

Disclosure of Invention

Aiming at the defects and requirements of the prior art, the invention provides a construction method of a spray painting workshop operation state visualization system, which constructs a spray painting workshop digital model by collecting spray painting workshop operation state data, and performs data visualization and synchronous update of the workshop digital model based on the collected real-time data to realize virtual-real synchronization of the spray painting workshop, thereby supporting managers to make decisions and optimize under the condition of comprehensively and intuitively mastering the spray painting workshop operation state. The problems of insufficient data acquisition, monotonous data display form and poor virtual-real synchronism faced by the visualization of the running state of the current spraying workshop are solved.

The specific implementation content of the invention is as follows:

the invention provides a construction method of a spray painting workshop operation state visualization system, which comprises the following steps:

step 1: developing data acquisition service, and acquiring spraying workshop running state data, wherein the spraying workshop running state data comprises spraying robot state data, spray gun data, spraying process data, coating allowance data, oven data, AGV trolley data, coating supply device data, workpiece data and personnel data;

step 2: constructing a data layer, sending the collected spraying workshop operation state data to the data layer, and storing the received spraying workshop operation state data in the data layer;

and step 3: a logic layer is constructed, a data interaction service module is constructed in the logic layer to receive data sent by the data layer, and a spraying workshop digital model generation module connected with the data interaction service module is constructed in the logic layer; the method comprises the steps that a data interaction service module receives collected spraying workshop running state data, physical spraying workshop production elements are selected from the data interaction service module and sent to a spraying workshop digital model generation module, and a spraying workshop digital model is constructed through the physical spraying workshop production elements; the production elements of the physical spraying workshop comprise spraying robot state data, spray gun data, paint supply device data, oven data and personnel data;

and 4, step 4: a data analysis service module connected with the data interaction service module is arranged in the logic layer to analyze the running state data of the spraying workshop;

and 5: constructing a functional layer, and constructing a data display module and a scene display module in the functional layer; the data display module is internally provided with an early warning setting unit, a performance index data display unit, a robot state data display unit, a coating allowance display unit, a spraying process data display unit and an oven data display unit which are respectively connected with the data interaction service module; the scene display module comprises a three-dimensional scene browsing unit and a three-dimensional scene synchronous updating unit which are connected with the spraying workshop digital model generating module.

In order to better implement the present invention, further, in step 2, a data acquisition service module, a memory database and a relational database are arranged in the data layer, and the data acquisition service module receives acquired spraying workshop operating state data, sends the acquired spraying workshop operating state data to the memory database for storage, and then sends the spraying workshop operating state data to the data interaction service module through the memory database; and the relational database is connected with the data interaction service module.

In order to better implement the present invention, further, in step 1:

the workpiece data comprises a timestamp, a batch number, a workpiece type, position coordinates and a current process;

the spraying robot state data comprises a timestamp, a robot equipment number, a robot joint angle, accumulated running time, fault information and alarm information;

the spraying process data comprises a timestamp, a spray gun number, a current program number, a current brush number, a flow value, an atomization value, a sector value, a feeding group number, an electrostatic switch state, an electrostatic voltage value, a spraying accumulated flow and a color changing valve state;

the paint allowance data comprises a timestamp, a feeding lease number, a residual paint volume and a maximum paint capacity;

the personnel data includes a time stamp, a personnel number, position coordinates, and current work information.

In order to better implement the present invention, further, in step 3, the specific operation of constructing the digital model of the painting shop is:

firstly, constructing a geometric model of production elements of a spraying workshop;

secondly, carrying out lightweight treatment on the constructed geometric model, adding materials and a mapping, and realizing construction of a physical model;

then, based on the physical model obtained by processing, a behavior model is constructed, so that the physical model has behavior characteristics, which specifically comprises the following steps: movement of robot joints, workpiece translation, spray gun on/off, paint supply on/off, oven on/off, and personnel translation;

and finally, integrating the geometric model, the physical model and the behavior model to form a digital model of the spraying workshop.

In order to better implement the present invention, further, the operation of the data interaction service module constructed in step 3 is specifically as follows:

firstly, calculating the performance index of a spraying workshop based on the running state data of the spraying workshop; the performance indexes of the spraying workshop comprise the output in the day, the accumulated output, the estimated output and the average utilization rate of equipment

Then, based on a parameter early warning interval customized by a user, identifying abnormal spraying workshop operation state data; the parameter early warning intervals comprise a flow value early warning interval, an atomization value early warning interval, a sector value early warning interval, an electrostatic voltage value early warning interval, an oven temperature value early warning interval, a residual coating volume early warning interval, an estimated yield early warning interval and an equipment average utilization rate early warning interval.

In order to better realize the invention, further, a pre-warning setting unit is used for man-machine interaction to carry out user self-definition of a parameter pre-warning interval;

the robot state data display unit displays the robot state data in a mode of combining numbers, instrument panels and curves;

the spraying process data display unit displays the spraying process data in a mode of combining numbers, instrument panels and curves;

the performance index data display unit displays the performance index data in a mode of combining numbers, instrument panels and curves;

the paint allowance display unit displays the paint allowance in a mode of an instrument panel;

the oven data display unit displays the temperature of the oven in a digital mode.

In order to better realize the invention, the three-dimensional scene browsing unit is further adopted to perform rotation, translation, visual angle switching and scene roaming of the three-dimensional scene of the painting workshop.

In order to better realize the method, a three-dimensional scene synchronous updating unit is further adopted to drive the digital model of the spraying workshop to synchronously update the acquired running state data of the spraying workshop, so that the virtual spraying workshop and the physical spraying workshop are synchronously updated.

In order to better implement the present invention, further, the data interaction service provided by the data interaction service module includes:

(1) the data interaction service module reads the running state data of the spraying workshop from the memory database;

(2) the data interaction service module pushes the spraying workshop running state data to the data analysis service module, and the data analysis service module feeds back the spraying workshop yield data and the abnormal spraying workshop running state data to the data interaction service module;

(3) the data interaction service module pushes the running state data of the spraying workshop to the spraying workshop digital model generation module, and the generated spraying workshop digital model feeds back message data of the synchronous updating completion of the three-dimensional scene to the data interaction service module;

(4) the data interaction service module pushes running state data and yield data to the data display module, and the data display module sends a request and a data updating completion message to the data interaction service;

(5) and the data interaction service module performs addition, reading and deletion operations on the historical running state data and the performance data in the relational database.

Compared with the prior art, the invention has the following advantages and beneficial effects:

according to the invention, by collecting the running state data of the spraying workshop, a digital model of the spraying workshop is constructed, and three-dimensional scene driving and visualization of the spraying workshop based on real-time data are established, so that a technical scheme is provided for solving the problems of insufficient data collection of the spraying workshop, monotonous data display form, poor virtual-real synchronism and the like. The beneficial effects of the invention include:

firstly, a data acquisition service facing a spraying workshop is constructed, and the acquisition of data such as a spraying robot state, a spraying process state, an oven temperature and the like is realized;

secondly, a dynamic three-dimensional visualization means is adopted and a chart, a curve and other modes are combined, so that the operation state of the spraying workshop is visualized more visually and has more display degree;

and realizing real-time driving of the three-dimensional scene of the spraying workshop based on the acquired implementation data. By implementing the method, a manager can comprehensively master the running state of the spraying workshop, great help is provided for the decision of the manager and the optimization of the operation process of the spraying workshop, and the management level of the spraying workshop is favorably improved.

Drawings

FIG. 1 is a schematic diagram of a system architecture according to the present invention.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and therefore should not be considered as a limitation to the scope of protection. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

the embodiment provides a construction method of a spray painting workshop operation state visualization system, as shown in fig. 1, the construction method includes the following steps:

step 1: developing data acquisition service, and acquiring spraying workshop running state data, wherein the spraying workshop running state data comprises spraying robot state data, spray gun data, spraying process data, coating allowance data, oven data, AGV trolley data, coating supply device data, workpiece data and personnel data;

step 2: constructing a data layer, sending the collected spraying workshop operation state data to the data layer, and storing the received spraying workshop operation state data in the data layer;

and step 3: a logic layer is constructed, a data interaction service module is constructed in the logic layer to receive data sent by the data layer, and a spraying workshop digital model generation module connected with the data interaction service module is constructed in the logic layer; the method comprises the steps that a data interaction service module receives collected spraying workshop running state data, physical spraying workshop production elements are selected from the data interaction service module and sent to a spraying workshop digital model generation module, and a spraying workshop digital model is constructed through the physical spraying workshop production elements; the production elements of the physical spraying workshop comprise spraying robot state data, spray gun data, paint supply device data, oven data and personnel data;

and 4, step 4: a data analysis service module connected with the data interaction service module is arranged in the logic layer to analyze the running state data of the spraying workshop;

and 5: constructing a functional layer, and constructing a data display module and a scene display module in the functional layer; the data display module is internally provided with an early warning setting unit, a performance index data display unit, a robot state data display unit, a coating allowance display unit, a spraying process data display unit and an oven data display unit which are respectively connected with the data interaction service module; the scene display module comprises a three-dimensional scene browsing unit and a three-dimensional scene synchronous updating unit which are connected with the spraying workshop digital model generating module.

Example 2:

in this embodiment, on the basis of the foregoing embodiment 1, in order to better implement the present invention, further, in step 2, a data acquisition service module, a memory database and a relational database are arranged in the data layer, and the data acquisition service module receives the acquired spraying workshop operating state data, sends the data to the memory database for storage, and then sends the data to the data interaction service module through the memory database; and the relational database is connected with the data interaction service module.

Other parts of this embodiment are the same as those of embodiment 1, and thus are not described again.

Example 3:

in this embodiment, on the basis of any one of the above embodiments 1-2, in order to better implement the present invention, further, in step 1:

the workpiece data comprises a timestamp, a batch number, a workpiece type, position coordinates and a current process;

the spraying robot state data comprises a timestamp, a robot equipment number, a robot joint angle, accumulated running time, fault information and alarm information;

the spraying process data comprises a timestamp, a spray gun number, a current program number, a current brush number, a flow value, an atomization value, a sector value, a feeding group number, an electrostatic switch state, an electrostatic voltage value, a spraying accumulated flow and a color changing valve state;

the paint allowance data comprises a timestamp, a feeding lease number, a residual paint volume and a maximum paint capacity;

the personnel data includes a time stamp, a personnel number, position coordinates, and current work information.

In order to better implement the present invention, further, in step 3, the specific operation of constructing the digital model of the painting shop is:

firstly, constructing a geometric model of production elements of a spraying workshop;

secondly, carrying out lightweight treatment on the constructed geometric model, adding materials and a mapping, and realizing construction of a physical model;

then, based on the physical model obtained by processing, a behavior model is constructed, so that the physical model has behavior characteristics, which specifically comprises the following steps: movement of robot joints, workpiece translation, spray gun on/off, paint supply on/off, oven on/off, and personnel translation;

and finally, integrating the geometric model, the physical model and the behavior model to form a digital model of the spraying workshop.

In order to better implement the present invention, further, the operation of the data interaction service module constructed in step 3 is specifically as follows:

firstly, calculating the performance index of a spraying workshop based on the running state data of the spraying workshop; the performance indexes of the spraying workshop comprise the output in the day, the accumulated output, the estimated output and the average utilization rate of equipment

Then, based on a parameter early warning interval customized by a user, identifying abnormal spraying workshop operation state data; the parameter early warning intervals comprise a flow value early warning interval, an atomization value early warning interval, a sector value early warning interval, an electrostatic voltage value early warning interval, an oven temperature value early warning interval, a residual coating volume early warning interval, an estimated yield early warning interval and an equipment average utilization rate early warning interval.

In order to better realize the invention, further, a pre-warning setting unit is used for man-machine interaction to carry out user self-definition of a parameter pre-warning interval;

the robot state data display unit displays the robot state data in a mode of combining numbers, instrument panels and curves;

the spraying process data display unit displays the spraying process data in a mode of combining numbers, instrument panels and curves;

the performance index data display unit displays the performance index data in a mode of combining numbers, instrument panels and curves;

the paint allowance display unit displays the paint allowance in a mode of an instrument panel;

the oven data display unit displays the temperature of the oven in a digital mode.

In order to better realize the invention, the three-dimensional scene browsing unit is further adopted to perform rotation, translation, visual angle switching and scene roaming of the three-dimensional scene of the painting workshop.

In order to better realize the method, a three-dimensional scene synchronous updating unit is further adopted to drive the digital model of the spraying workshop to synchronously update the acquired running state data of the spraying workshop, so that the virtual spraying workshop and the physical spraying workshop are synchronously updated.

In order to better implement the present invention, further, the data interaction service provided by the data interaction service module includes:

(1) the data interaction service module reads the running state data of the spraying workshop from the memory database;

(2) the data interaction service module pushes the spraying workshop running state data to the data analysis service module, and the data analysis service module feeds back the spraying workshop yield data and the abnormal spraying workshop running state data to the data interaction service module;

(3) the data interaction service module pushes the running state data of the spraying workshop to the spraying workshop digital model generation module, and the generated spraying workshop digital model feeds back message data of the synchronous updating completion of the three-dimensional scene to the data interaction service module;

(4) the data interaction service module pushes running state data and yield data to the data display module, and the data display module sends a request and a data updating completion message to the data interaction service;

(5) and the data interaction service module performs addition, reading and deletion operations on the historical running state data and the performance data in the relational database.

Other parts of this embodiment are the same as any of embodiments 1-2 described above, and thus are not described again.

Example 4:

this embodiment gives a specific and complete implementation of the present invention, which is as follows:

referring to fig. 1, a system for visualizing the operation state of a painting shop includes a physical layer, a data layer, a logic layer and a functional layer. The physical layer comprises a spraying robot, a spray gun, an oven, an AGV and a workpiece. The data layer includes data collection services, in-memory databases, and relational databases. The logic layer comprises a data analysis service, a data interaction service and a digital model of the spraying workshop. The functional layer comprises early warning setting, robot state data display, spraying process data display, performance index data display, coating allowance display, oven data display, three-dimensional scene synchronous updating and three-dimensional scene browsing.

According to the four layers, the technical scheme of the invention comprises the following steps:

1) developing data acquisition service, acquiring the running state data of the spraying workshop, processing the acquired data and storing the processed data in a database.

2) And establishing a digital model of the spraying workshop according to production factors of the physical spraying workshop.

3) And developing data analysis service to realize analysis of the running state data of the spraying workshop.

4) And developing a visual client of the operation state of the spraying workshop to visually display the digital model and the operation state data of the spraying workshop.

5) And developing a data interaction service, so that data interaction can be performed among the data analysis service, the spraying workshop digital model, the database and the spraying workshop operation state visualization client.

Preferably, in step 1), the operation state data of the spraying workshop comprises workpiece data, robot state data, spraying process data, paint allowance data, oven temperature data and personnel data.

The workpiece data comprises a time stamp, a batch number, a workpiece type, position coordinates and a current process.

The robot state data comprises a timestamp, a robot equipment number, a robot joint angle, accumulated running time, fault information and alarm information.

The spraying process data comprises a timestamp, a spray gun number, a current program number, a current brush number, a flow value, an atomization value, a sector value, a feeding group number, an electrostatic switch state, an electrostatic voltage value, a spraying accumulated flow and a color changing valve state.

The paint balance data includes a timestamp, a feeding lease number, a remaining paint volume, and a maximum paint capacity.

The personnel data comprises a timestamp, a personnel number, position coordinates and current operation information.

Preferably, in step 1), the database is a combination of a memory database and a relational database, wherein the memory database is Redis, and the relational database is MySQL.

Further preferably, in step 1), the operation state data of the painting shop is stored in an in-memory database.

Preferably, in step 2), the physical painting shop production elements include robots, spray guns, paint supply devices, ovens, and personnel.

Preferably, in step 2), the establishing of the digital model of the painting shop comprises the following steps:

(1) and adopting the Rhino software to construct a geometric model of the production elements of the spraying workshop.

(2) And (3) carrying out lightweight processing on the geometric model obtained in the step (1) by adopting 3D Max software, and adding materials and a mapping to realize the construction of a physical model.

(3) Based on the physical model obtained by the processing in the step (2), a Unity3D is adopted to construct a behavior model of the production elements of the spraying workshop, so that the physical model has behavior characteristics, and the method specifically comprises the following steps: movement of robotic joints, workpiece translation, spray gun on/off, paint supply on/off, oven on/off, and personnel translation.

(4) And (3) integrating the geometric model in the step (1), the physical model in the step (2) and the behavioral model in the step (3) to form a digital model of the spraying workshop.

Preferably, in step 3), developing the data interaction service includes the following steps:

(1) and calculating the performance index of the spraying workshop based on the running state data of the spraying workshop.

(2) And identifying abnormal spraying workshop running state data based on the user-defined parameter early warning interval.

The performance indexes of the spraying workshop comprise the output in the day, the accumulated output, the estimated output and the average utilization rate of equipment.

The parameter early warning intervals comprise a flow value early warning interval, an atomization value early warning interval, a sector value early warning interval, an electrostatic voltage value early warning interval, an oven temperature value early warning interval, a residual coating volume early warning interval, an estimated yield early warning interval and an equipment average utilization rate early warning interval.

Preferably, in the step 4), the visual client for the operation state of the spraying workshop comprises an early warning setting function, a robot state data display function, a spraying process data display function, a performance index data display function, a coating allowance display function, an oven temperature data display function, a three-dimensional scene synchronous updating function and a three-dimensional scene browsing function.

The early warning setting function realizes user self-definition of the parameter early warning interval.

The robot state data display function adopts a mode of combining numbers, instrument panels and curves to display the robot state data.

The spraying process data display function adopts a mode of combining numbers, instrument panels and curves to display the state data of the robot.

The performance index data display function adopts a mode of combining numbers, instrument panels and curves to display the performance index data.

The paint allowance display function adopts a mode of an instrument panel to realize the display of the paint allowance.

The oven temperature data display function adopts a digital mode to display the temperature of the oven.

The three-dimensional scene synchronous updating function is to drive the digital model of the spraying workshop to update synchronously by using the running state data of the spraying workshop collected in the step 1), so that the virtual spraying workshop and the physical spraying workshop are synchronous.

The three-dimensional scene browsing function realizes rotation, translation, visual angle switching and scene roaming of the three-dimensional scene of the spraying workshop.

Preferably, in step 5), the data interaction service includes the following operations:

(1) and the data interaction service reads the running state data of the spraying workshop from the memory database.

(2) The data interaction service pushes the spraying workshop running state data to the data analysis service, and the data analysis service feeds back the spraying workshop yield data and the spraying workshop running state data with abnormity to the data interaction service.

(3) And the data interaction service pushes the running state data of the spraying workshop to the digital model of the spraying workshop, and the digital model of the spraying workshop feeds back the message data of the completion of the synchronous updating of the three-dimensional scene to the data interaction service.

(4) The data interaction service pushes the operation state data and the yield data to the visual client of the operation state of the spraying workshop, and the visual client of the operation state of the spraying workshop sends a request and a data updating completion message to the data interaction service.

(5) And the data interaction service adds, reads and deletes historical operating state data and performance data in the relational database.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.