KR20230120836A - System and method for educating spray coating based on virtual reality - Google Patents

Abstract

The present invention is a spray gun simulator 120 that simulates a spray painting operation on a surface to be painted in a virtual space by having a VR computer 110 and a spray gun 121 that implements and stores a virtual space in which a solid line block is copied as a 3D model Using the flash light simulator 130 provided with the flash light 131 to simulate lighting in the virtual space, and the spray gun 121 and the flash light 131 provided from the VR computer 110 in the virtual space Disclosed is a virtual reality-based spray painting education system and method that enables safe and efficient spray painting education in a virtual environment with various working conditions similar to reality, including an HMD (140) that visualizes virtual spray painting work. .

Description

Virtual reality based spray painting education system and method {SYSTEM AND METHOD FOR EDUCATING SPRAY COATING BASED ON VIRTUAL REALITY}

The present invention relates to a virtual reality-based spray painting education system and method, and more particularly, to a virtual reality-based spray painting education that can safely and efficiently teach spray painting in a virtual environment with various working conditions similar to reality. It relates to systems and methods.

As is well known, in the shipbuilding industry, due to its nature, there are limitations in automation and mechanization of painting work, so it is mainly done manually by skilled workers, and accordingly, it is required to secure skilled painters.

For example, it is very important to paint the paint exactly to the required thickness. If the paint is applied too thickly, the consumption of the paint increases, and if the paint is applied too thinly, the ship may be corroded and reworked during quality inspection, resulting in additional costs. this will happen

On the other hand, spray painting training is also conducted at the actual yard to increase the proficiency of painting work. Waste of paint, long-term training impossible due to toxic paint, limitation of practice guidance while wearing a gas mask, lack of supply and supply of practice subjects, coating Actual spray painting training is limited due to problems such as increased waiting time for training due to drying.

As a prior art to solve this problem, Korean Patent Registration No. 10-1237244 is disclosed, and a painting training simulator according to the prior art, as shown in FIG. It includes a training result measurement unit 13-2 and a thickness information extraction unit 13-3 for extracting the coating thickness at each test position based on the coating thickness information measured by the training result measurement unit 13-2. And, the test position is set by recognizing the point where the spray gun 12 is directed according to the air injection signal input from the spray gun 12 when operating in the test position designation mode, so that trainees can spray air into a virtual three-dimensional structure. We want to train painters by providing a virtual environment so that they can practice painting with a spray gun.

However, the visual effect of turning on the flashlight during spray painting in an actual dark working environment is not implemented in the virtual space, so there is a limit to enhancing the sense of immersion. there is.

Therefore, a technology that can safely and efficiently teach spray painting in a virtual environment with various working conditions similar to reality is required.

Korean Registered Patent Publication No. 10-1237244 (Painting training simulator and painting training service system using the same, published on February 26, 2013) Korean Patent Publication No. 10-2021-0115356 (Paint inspection system and method using deep machine learning, published on September 27, 2021) Korean Patent Registration No. 10-0974543 (Painting simulation system and method and recording medium therefor, published on August 11, 2010)

The technical problem to be achieved by the spirit of the present invention is to provide a virtual reality-based spray painting education system and method that can safely and efficiently teach spray painting in a virtual environment having various working conditions similar to reality.

In order to achieve the above object, an embodiment of the present invention is a VR computer that implements and stores a virtual space that simulates a solid line block as a 3D model; a spray gun simulator for simulating a spray painting operation on a surface to be painted in the virtual space by using a spray gun; a flash light simulator equipped with a flash light to simulate lighting in the virtual space; and an HMD for visualizing the virtual spray painting operation using the spray gun and the flash light in the virtual space provided from the VR computer.

In addition, the spray gun simulator may simulate the spray painting operation by spraying compressed air to the surface to be coated in the virtual space through the spray gun.

In addition, the spray gun simulator includes a compressed air pump for providing the compressed air, an electropneumatic regulator for controlling the pressure and flow rate of the compressed air, a pneumatic hose for transferring the compressed air from the electropneumatic regulator to the spray gun, and the spray gun. A first tracker for tracking the motion of the gun and providing motion information to the VR computer may be included.

In addition, the spray gun simulator may further include a function of automatically adjusting the injection pressure of the compressed air according to the painting pressure level set by the trainee.

The spray gun simulator may further include an air filter that removes moisture from the compressed air supplied from the compressed air pump to the pneumatic regulator.

In addition, the spray gun may include an electronic trigger.

In addition, the first tracker may include a position sensor for detecting 6 degree of freedom motion and may be mounted on the spray gun through a fixing bracket.

In addition, the flash light simulator may include a second tracker that tracks the motion of the flash light and provides motion information to the VR computer, and a fixing bracket that mounts the second tracker to the flash light.

In addition, the flash light may further include a functional button for accessing an education program menu of the spray painting work visualized through the HMD.

In addition, through the functional button, any one of spray gun selection of single and pole guns, nozzle selection, spray angle setting of the pole gun, work area selection and movement, selection of the surface to be painted in the virtual space, sprayer pressure adjustment, and thinner dilution adjustment It is possible to access the educational program menu related to at least one of setting one or more work variables, moving between contents by stages of the educational program menu, repeating a function, checking a result, and storing a result.

In addition, depending on the shape of the push of the functional button, it can selectively perform a role of lighting to illuminate the surface to be painted in the virtual space or a role of accessing the educational program menu.

In addition, when selecting the surface to be painted in the virtual space, an option to select any one of the surface corresponding to the front frame, side frame, top plate, and bottom plate is provided, so that the surface to be painted in the virtual space can be implemented on the HMD.

In addition, when selecting the surface to be painted in the virtual space, by providing one or more options among whether to include a stiffener or longi, whether to install a scaffold, whether to include a fitting, and whether or not to seal the virtual space, the to-be-painted surface of the virtual space on the HMD can be implemented.

In addition, the single gun and pole gun each have an identification code, and when connected to the pneumatic hose that transfers the compressed air, the VR computer can recognize the identification code and implement a corresponding spray gun on the HMD.

In addition, the nozzle of the spray gun has an identification code for each nozzle tip size, and when connected to the pneumatic hose that transfers the compressed air, the VR computer recognizes the identification code and implements the corresponding nozzle tip on the HMD. can

In addition, a storage box for charging and storing at least one of the VR computer, the spray gun, the flash light, and the HMD, a terminal for tagging trainees, and a monitor that visualizes and provides the spray painting work in conjunction with the HMD , may further include a kiosk.

Also, the terminal for the trainee tag may be an RFID terminal.

In addition, the monitor may visualize the virtual spray painting operation using the spray gun and the flash light in the virtual space provided from the VR computer.

In addition, after completion of the virtual spray painting job, the VR computer may calculate a result of the virtual spray painting job and a management index, and display them through the HMD or the monitor.

In addition, the result of the virtual spray painting operation and the management index may be any one of the coating film thickness information, work area per unit time, standard coating film achievement rate, low film area ratio to standard coating film, arrival efficiency, paint usage rate, and early defect occurrence area of the coating film. may contain one or more.

In addition, the VR computer has a built-in spray painting phenomenon prediction model that implements a spray pattern on a virtual surface to be painted using a data set obtained through actual spray painting as learning data, so that the spray gun simulator and the flash light simulator In conjunction, the spray painting operation in the virtual space can be visualized through the HMD.

In addition, the VR computer may include a spray pattern DB for storing the spray pattern of the spray painting phenomenon prediction model, and a block modeling DB for storing a virtual space in which the solid block is copied as a 3D model.

In addition, normal spraying and abnormal spraying on the surface to be painted in the virtual space by the spray gun can be visualized on the HMD through the spray painting phenomenon prediction model.

In addition, the dataset includes the diluted solids volume ratio, paint temperature, paint viscosity, paint density, nozzle tip size, total pressure/static pressure/dynamic pressure of the sprayer, separation distance from the surface to be coated, spray angle, and moving speed of the spray gun. and a label portion including any one or more of spray flow rate, spray pattern width, dry film thickness, arrival efficiency, atomization grade, and whether or not there is an early defect in the film.

In addition, by inputting predetermined working variables and test data by the spray gun simulator into the spray painting phenomenon prediction model, normal spraying and abnormal spraying including any one or more of cracks, wrinkles, and run-down of the virtual space are determined. It can be implemented on the drawing surface.

In addition, through the HMD, the moving speed of the spray gun and the separation distance between the spray gun and the surface to be painted in the virtual space may be displayed in numerical or textual form.

In addition, through the HMD, whether the moving speed of the spray gun exceeds or falls short of a preset proper moving speed, or whether the separation distance exceeds or falls short of a preset appropriate separation distance is displayed by color classification, or gradual color change may be displayed, or a warning sound may be provided.

In addition, during or after the virtual spray painting operation is completed, the thickness of the dry coating film may be displayed on the surface to be coated in the virtual space by the spray gun, by color or numerical value, through the HMD.

In addition, the HMD may provide a sound simulating spray injection or operation of a spray painting machine pump in conjunction with the virtual spray painting operation in the virtual space.

Meanwhile, another embodiment of the present invention provides a virtual reality-based spray painting education method using the aforementioned virtual reality-based spray painting education system.

According to the present invention, spray painting can be taught safely and efficiently in a virtual environment with various working conditions similar to real ones, and it is possible to increase a sense of immersion by providing a repulsive force of paint spray similar to real life, and to work in a dark environment. The visual effect of turning on a flashlight during spray painting in the environment can be implemented in a virtual space to enhance the realism and realism, and the movement speed and separation distance correction of the spray painting work can be corrected in real time to increase the educational effect. There are possible effects.

1 illustrates a painting training simulator according to the prior art.
2 shows a schematic configuration diagram of a virtual reality-based spray painting education system according to an embodiment of the present invention.
FIG. 3 shows an implementation diagram of the virtual reality-based spray painting education system of FIG. 2 .
Figure 4 illustrates an individual configuration of the implementation diagram of Figure 3.
5 and 6 illustrate an education program menu of the virtual reality-based spray painting education system of FIG. 2, respectively.
7 and 8 illustrate the HMD UI of the virtual reality-based spray painting education system of FIG. 2 .
FIG. 9 illustrates management indicators of the virtual reality-based spray painting education system of FIG. 2 .

Hereinafter, embodiments of the present invention having the above-described characteristics will be described in more detail with reference to the accompanying drawings.

Referring to FIG. 2, the virtual reality-based spray painting education system according to an embodiment of the present invention is provided with a VR computer 110 and a spray gun 121 that implement and store a virtual space in which a solid line block is copied as a 3D model. Provided from the spray gun simulator 120, the flash light 131 to simulate the spray painting operation on the surface to be painted in the virtual space, and the flash light simulator 130 to simulate lighting in the virtual space, and the VR computer 110 Spraying safely and efficiently in a virtual environment with various working conditions similar to reality, including HMD 140 that visualizes virtual spray painting work using a spray gun 121 and flash light 131 in a virtual space The point is to educate the painting.

Hereinafter, with reference to FIGS. 2 to 9, the virtual reality-based spray painting education system of the above-described configuration will be described in detail as follows.

First, the VR (Virtual Reality) computer 110 implements and stores a virtual space in which solid line blocks are copied as a 3D model, and provides a spray painting virtual environment similar to the real one.

For example, reflecting the design drawing of the solid line block, it is divided into a front frame and a side frame, a top plate and a bottom plate, etc. for a specific area or a partial space within a specific area of the solid line block, and auxiliary stiffeners and / Alternatively, options such as whether to include longi., whether to install scaffolding, whether to include equipment, and whether to seal the virtual space are provided, respectively, to implement the surface to be painted in the virtual space, and the virtual space for each solid line block of the VR computer 110 It can be stored in the block modeling DB 112, and the spray coating operation for the surface to be painted of the selected solid line block can be performed.

In addition, the VR computer 110 uses an experiment-based dataset obtained through spray painting on a real yard (shipyard) as learning data to implement a spray pattern on a virtual surface to be painted, a spray independently developed by the present applicant. A painting phenomenon prediction model may be embedded, and a spray pattern by the spray painting phenomenon prediction model may be stored in the spray pattern DB 111.

Accordingly, the VR computer 110 interworks with the spray gun simulator 120 and the flashlight simulator 130 to implement a spray pattern on a virtual surface to be painted, and visualizes the spray painting operation in the virtual space through the HMD 140. can do.

That is, the test data by the spray gun simulator 120 and the preset operation parameters described later are input to the input layer of the spray painting phenomenon prediction model, and normal spraying and fingering and wrinkling are performed through the output layer. , Winkling) and dripping (sagging) can be implemented on the surface to be painted with a spray pattern according to abnormal spraying.

For reference, paint cracking occurs when the paintr pressure is low and the paint viscosity is high, unlike normal coating, and wrinkles occur when the coating pressure is high and the separation distance from the surface to be painted is close, unlike normal coating. In the case of dripping, it is a defect in which the spray coating flows down in the direction of gravity.

On the other hand, from the experimental data obtained through spray painting using an orthogonal robot on an actual yard, thinning solid volume ratio (T.SVR), paint temperature, paint viscosity, paint density, nozzle tip size, Total pressure (P _Total ) / static pressure (P _Static ) / dynamic pressure (P _Dynamic ) of the sprayer, distance from the surface to be painted, spray angle (Spray angle) and / or moving speed of the spray gun 121, including features, and flow rate, spray pattern width, dry film thickness (DFT), transfer efficiency, atomization level, and/or whether the film is prematurely defective. A dataset containing a label may be provided, and composed of N tuples, which are machine learning or deep learning data types.

Next, the spray gun simulator 120 is provided with a spray gun 121 to spray compressed air on the surface to be painted in the virtual space to simulate the spray painting operation, thereby providing a repulsive force of the paint similar to the real one to increase immersion. .

Specifically, referring to FIGS. 2 to 4, the spray gun simulator 120 includes a spray gun 121 having a trigger on the gun handle, a compressed air pump 122 providing compressed air, and a spray gun ( 121), an electropneumatic regulator 123 that controls the pressure and flow rate of the compressed air supplied to the spray gun to feel similar to the repulsive force of the paint sprayed from the actual spray gun, and the spray gun 121 from the electropneumatic regulator 123 ), a pneumatic hose 124 for transporting compressed air, and a first tracker 125 for tracking the motion of the spray gun 121 and providing 6 degree of freedom motion information to the VR computer 110.

Here, the trigger may be an electronic trigger, and the electronic trigger includes a lever detection sensor 126 that detects the pulling of the lever of the gun handle by means of a magnetic hall sensor, and the first tracker 125 detects 6 degree of freedom motion. It is provided with a position sensor to do, and can be stably mounted to the spray gun 121 through the fixing bracket 127.

In addition, a function for automatically adjusting the injection pressure of the compressed air according to the painting pressure level set by the trainee (trainee, trainee, etc.) may be additionally provided.

In addition, an air filter 128 may be further included to remove moisture from the compressed air supplied from the compressed air pump 122 to the pneumatic regulator 123 to provide dried compressed air.

In addition, referring to (a) of FIG. 4 , the spray gun 121 may be composed of a single gun and/or a pole gun, and a commercially available single gun and/or pole gun may be used to give the same feeling as a real one.

In addition, the nozzle tip size of the single-gun spray gun can be configured with numerical units commonly used in the industry, such as 519, 523, 527, 531, and 535, and the nozzle tip size of the pole gun spray gun is also commonly used in the industry, such as 323 and 325. It can be composed of numerical units.

On the other hand, as described above, nozzle tips may be provided for each actual size, but the nose tip size for each spray gun may be virtually implemented by setting work parameters.

Next, the flash light simulator 130 is equipped with a flash light 131 to simulate lighting in the virtual space, so that the visual effect of turning on the flashlight during spray painting in a real dark working environment is realized in the virtual space to create a sense of realism And it can increase the sense of reality.

Specifically, referring to FIGS. 2 and 3(b), the flashlight simulator 130 includes a flashlight 131 and a position sensor that tracks motion of the flashlight 131 to detect 6-DOF motion A second tracker 132 that provides 6 degree of freedom motion information to the VR computer 110, a fixing bracket 133 that stably mounts the second tracker 132 to the flashlight 131, and an HMD It may be provided with a multi-switch type functional button 134 to access the education program menu of spray painting work visualized through 140.

Here, depending on the push shape of the functional button 134 that is pressed briefly or long, it can selectively perform a role of lighting to illuminate the surface to be painted or a role of accessing an educational program menu.

In addition, the flash light 131 can be configured as an explosion-proof flash light to enhance immersion, realism, and realism.

Meanwhile, referring to FIGS. 5, 6, and 7(b), through a push operation of the functional button 134, it is possible to access work variable settings and training program menus.

Specifically, through the push action of the functional button 134, selection of single gun and/or pole gun spray guns implemented on the display of the HMD 140, selection of nozzles (nozzle tip size) for each spray gun, setting of spray angle of pole guns , work area selection and movement, selection of the surface to be painted in virtual space, setting of work parameters such as paint pressure adjustment and/or thinner dilution adjustment, function of moving between contents in each step of the educational program menu including various curriculum training, and redo function , result check function, and/or result storage function, etc., can access training program menus.

Here, the sprayer gauge pressure is adjusted in the form of a slide bar in units of 0.5bar within the range of 1.5bar to 7bar, and can be further displayed from 108bar to 504bar [(1.5bar to 7bar) × 72 (painter compression ratio)] , The thinner dilution amount is adjusted in the form of a slide bar in units of 0.2 measuring cups within the range of 0 measuring cup to 3 measuring cups, and can be further displayed from 0% to 24% [(0 measuring cup to 3 measuring cups) × 8].

In addition, referring to (e) of FIG. 6, when selecting a drawing surface, select any one of the drawing surfaces corresponding to the front frame, top plate, and bottom plate, and whether or not the stiffener and / or Lunge are included, whether the scaffolding is installed, and , Whether to include equipment, whether to open or close the virtual space, and options for selecting the hybrid output method of the HMD 140 and the monitor 153, etc. are provided to implement the drawing of the virtual space on the HMD 140 can do.

In addition, as mentioned above, by replacing the selection of the type and nozzle tip size of the spray gun by the passive push operation of the functional button 134, the single gun and pole gun have respective identification codes, and a pneumatic hose for transporting compressed air When connected to 124, the VR computer 110 recognizes the identification code and implements the corresponding spray gun 121 on the HMD 140, the nozzle also has each identification code for each nozzle tip size, and transports compressed air. When connected to the pneumatic hose 124, the VR computer 110 may recognize the identification code and automatically implement the corresponding nozzle tip on the HMD 140.

Next, the HMD (Head Mount Display) 140 (see FIG. 4(c)) is a component for moving the operator's viewpoint with respect to the surface to be painted with a motion sensor, and blocks modeling DB 112 of the VR computer 110 In the virtual space provided from, the virtual spray painting operation using the spray gun 121 and the flash light 131 is measured from the spray pattern DB 111 through the spray painting phenomenon prediction model on the surface to be painted by the spray gun 121 Abnormal spraying (refer to FIG. 7(a)) such as spraying, cracking, wrinkles, and dripping can be predicted and visualized on the HMD 140 to be realized.

In addition, as shown in (c) of FIG. 7, through the HMD 140, the moving speed of the spray gun 121 and / or the separation distance from the surface to be painted are digitized, and / or slow / normal / fast etc. can be displayed as text.

In addition, through the HMD 140, whether the real-time movement speed of the spray gun 121 exceeds or falls short of the preset proper movement speed and/or whether the real-time separation distance from the surface to be painted exceeds or falls short of the preset proper separation distance is indicated by color. It is possible to increase the educational effect by displaying the spray painting work in real time by displaying it separately, displaying it in gradual color change, and/or providing a warning sound when exceeding or falling short.

In addition, referring to (a) of FIG. 8 , during or after virtual spray painting, the heat map on the surface to be painted by the spray gun 121 may be displayed in color through the HMD 140 .

In addition, referring to (b) of FIG. 8, during or after the virtual spray painting operation, the thickness of the dry film on the surface to be painted by the spray gun 121 can be displayed by dividing it into colors or numbers through the HMD 140. there is.

In addition, the HMD 140 interlocks with the spray painting operation of the spray gun 121 in the virtual space and provides a sound simulating the operation of the spray spray and/or the sprayer pump, so that the spray painting operation in the actual yard can be achieved. It is also possible to increase immersion by implementing a similar sense of reality and realism.

Next, the kiosk 150 includes a storage box 151 for storing the VR computer 110, the spray gun 121, the flashlight 131, and/or the HMD 140 while being charged wired and wirelessly, for security and log recording. It is composed of an RFID terminal 152 for a trainee tag (eg, an employee ID card) and/or a monitor 153 that visualizes and provides spray painting work in conjunction with the HMD 140.

Here, by the hybrid output method linked with the HMD 140, the monitor 153 performs virtual spray painting using the spray gun 121 and the flashlight 131 in the virtual space provided from the VR computer 110. can be visualized and provided so that the instructor or the waiting person can also observe and increase the educational effect.

On the other hand, as illustrated in FIG. 9, after the virtual spray painting operation is completed, the VR computer 110 provides film thickness information such as film thickness distribution and film thickness standard deviation, work area per unit time, standard film achievement rate, and standard film thickness. Calculate management indicators such as the ratio of low film area, arrival efficiency, paint usage rate, and/or early defect occurrence area of the coating film, and display and provide them through the HMD (140) or monitor (153) to use as data for feedback learning might as well make it happen.

According to another embodiment of the present invention, a virtual reality-based spray painting education method using the above-described virtual reality-based spray painting education system is provided.

Above, by the above-mentioned virtual reality-based spray painting education system and method, it is possible to safely and efficiently teach spray painting in a virtual environment with various working conditions similar to real ones, and the repulsive force of paint spray similar to real life It is possible to enhance the sense of immersion by providing a visual effect when a flashlight is turned on during spray painting in a dark working environment in a virtual space to increase a sense of realism and realism. The training effect can be increased by performing the separation distance correction in real time.

The embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention, and do not represent all of the technical spirit of the present invention, so various equivalents that can replace them at the time of this application. It should be understood that there may be waters and variations.

110: VR computer 111: spray pattern DB
112: block modeling DB 120: spray gun simulator
121: spray gun 122: compressed air pump
123: electric regulator 124: pneumatic hose
125: first tracker 126: lever detection sensor
127: fixing bracket 128: air filter
130: flashlight simulator 131: flashlight
132: second tracker 133: fixing bracket
134: functional button 140: HMD
150: kiosk 151: storage box
152: RFID terminal 153: monitor

Claims (32)

A VR computer that implements and stores a virtual space that simulates a solid line block as a 3D model;
a spray gun simulator for simulating a spray painting operation on a surface to be painted in the virtual space by using a spray gun;
a flash light simulator equipped with a flash light to simulate lighting in the virtual space; and
An HMD that visualizes the virtual spray painting operation using the spray gun and the flash light in the virtual space provided from the VR computer;
Virtual reality based spray painting education system. According to claim 1,
The spray gun simulator,
Characterized in that the spray painting operation is simulated by spraying compressed air on the surface to be painted in the virtual space through the spray gun,
Virtual reality based spray painting education system. According to claim 2,
The spray gun simulator,
A compressed air pump providing the compressed air;
An electro-pneumatic regulator for controlling the pressure and flow rate of the compressed air;
A pneumatic hose for transferring the compressed air from the electro-pneumatic regulator to the spray gun, and
Characterized in that it comprises a first tracker for tracking the motion of the spray gun and providing motion information to the VR computer,
Virtual reality based spray painting education system. According to claim 3,
The spray gun simulator,
Characterized in that it further includes a function to automatically adjust the injection pressure of the compressed air according to the painting pressure level set by the trainee,
Virtual reality based spray painting education system. According to claim 3,
The spray gun simulator,
Characterized in that it further comprises an air filter for removing moisture from the compressed air supplied from the compressed air pump to the pneumatic regulator.
Virtual reality based spray painting education system. According to claim 3,
The spray gun,
Characterized in that it has an electronic trigger,
Virtual reality based spray painting education system. According to claim 3,
The first tracker,
Characterized in that it includes a position sensor for detecting 6-degree-of-freedom motion and is mounted on the spray gun through a fixing bracket.
Virtual reality based spray painting education system. According to claim 1,
The flash light simulator,
A second tracker for tracking the motion of the flashlight and providing motion information to the VR computer, and
Characterized in that it comprises a fixing bracket for mounting the second tracker to the flash light,
Virtual reality based spray painting education system. According to claim 8,
The flash light,
Characterized in that it further comprises a functional button to access the education program menu of the spray painting work visualized through the HMD,
Virtual reality based spray painting education system. According to claim 9,
Through the functional button,
Setting any one or more of the work parameters of spray gun selection of single gun and pole gun, nozzle selection, spray angle setting of the pole gun, selection and movement of the work area, selection of the surface to be painted in the virtual space, sprayer pressure adjustment, and thinner dilution adjustment, Characterized in that accessing the education program menu related to any one or more of a function of moving between contents in stages of the education program menu, a repeat function, a result confirmation function, and a result storage function,
Virtual reality based spray painting education system. According to claim 10,
Optionally according to the push shape of the functional button,
Characterized in that it serves as a light to illuminate the surface of the virtual space or to access the educational program menu,
Virtual reality based spray painting education system. According to claim 10,
When selecting the surface to be drawn in the virtual space,
Characterized in that the drawing surface of the virtual space is implemented on the HMD by providing an option to select one of the drawing surfaces corresponding to the front frame, the side frame, the top plate, and the bottom plate.
Virtual reality based spray painting education system. According to claim 10,
When selecting the surface to be drawn in the virtual space,
Characterized in that the surface to be painted in the virtual space is implemented on the HMD by providing one or more options among whether to include stiffeners or longies, whether to install scaffolds, whether to include fittings, and whether or not to seal the virtual space.
Virtual reality based spray painting education system. According to claim 3,
Characterized in that the single gun and pole gun have respective identification codes, and when connected to the pneumatic hose that transfers the compressed air, the VR computer recognizes the identification code and implements the corresponding spray gun on the HMD.
Virtual reality based spray painting education system. According to claim 3,
The nozzle of the spray gun has an identification code for each nozzle tip size, and when connected to the pneumatic hose that transfers the compressed air, the VR computer recognizes the identification code and implements the corresponding nozzle tip on the HMD. characterized by,
Virtual reality based spray painting education system. According to claim 1,
A storage box for storing while charging at least one of the VR computer, the spray gun, the flashlight, and the HMD;
A terminal for tagging trainees, and
Characterized in that it further comprises a kiosk, including a monitor for visualizing and providing the spray painting work in conjunction with the HMD,
Virtual reality based spray painting education system. 17. The method of claim 16,
The terminal for the trainee tag,
Characterized in that the RFID terminal,
Virtual reality based spray painting education system. According to claim 16,
Characterized in that the monitor visualizes the virtual spray painting operation using the spray gun and the flash light on the virtual space provided from the VR computer.
Virtual reality based spray painting education system. According to claim 1,
After the virtual spray painting operation is completed,
Characterized in that the VR computer calculates the result of the virtual spray painting operation and the management index and displays it through the HMD.
Virtual reality based spray painting training system. 17. The method of claim 16,
After the virtual spray painting operation is completed,
Characterized in that the VR computer calculates the result of the virtual spray painting operation and the management index and displays it through the monitor.
Virtual reality based spray painting training system. According to claim 19,
The results and management indicators of the virtual spray painting operation are,
Characterized in that it includes any one or more of coating film thickness information, work area per unit time, standard coating film achievement rate, low film area ratio compared to standard coating film, arrival efficiency, paint usage rate, and early defect occurrence area of the coating film,
Virtual reality based spray painting education system. 21. The method of claim 20,
The results and management indicators of the virtual spray painting operation are,
Characterized in that it includes any one or more of coating film thickness information, work area per unit time, standard coating film achievement rate, low film area ratio compared to standard coating film, arrival efficiency, paint usage rate, and early defect occurrence area of the coating film,
Virtual reality based spray painting education system. According to claim 1,
The VR computer,
By using the data set obtained through actual spray painting as learning data, a spray painting phenomenon prediction model that implements a spray pattern on a virtual surface to be painted is embedded, interlocked with the spray gun simulator and the flashlight simulator, and through the HMD. Characterized in that for visualizing the spray painting operation on the virtual space,
Virtual reality based spray painting education system. 24. The method of claim 23,
The VR computer,
A spray pattern DB for storing the spray pattern of the spray painting phenomenon prediction model, and
Characterized in that it comprises a block modeling DB for storing a virtual space that simulates the solid line block as a 3D model,
Virtual reality based spray painting education system. 24. The method of claim 23,
Through the spray painting phenomenon prediction model, normal spraying and abnormal spraying on the surface to be painted in the virtual space by the spray gun are visualized on the HMD,
Virtual reality based spray painting education system. 24. The method of claim 23,
The dataset is
Diluted solids volume ratio, paint temperature, paint viscosity, paint density, nozzle tip size, total pressure / static pressure / dynamic pressure of the sprayer, separation distance from the surface to be coated, spray angle, and the moving speed of the spray gun Including any one or more features, and
Characterized in that it includes a label portion including any one or more of spray flow rate, spray pattern width, dry film thickness, arrival efficiency, atomization grade, and early defect of the film,
Virtual reality based spray painting education system. 27. The method of claim 26,
By inputting preset working variables and test data by the spray gun simulator into the spray painting phenomenon prediction model, normal spraying and abnormal spraying including any one or more of cracks, wrinkles, and run-down can be performed on the surface to be coated in the virtual space. Characterized in that implemented in
Virtual reality based spray painting education system. According to claim 1,
Characterized in that, through the HMD, the moving speed of the spray gun and the distance between the spray gun and the surface to be painted in the virtual space are displayed in numerical or textual form,
Virtual reality based spray painting education system. 29. The method of claim 28,
Through the HMD, whether the moving speed of the spray gun exceeds or falls short of the preset proper movement speed, or whether the separation distance exceeds or falls short of the preset appropriate separation distance is displayed by color classification or by gradual color change. characterized in that, or providing a warning sound as a sound,
Virtual reality based spray painting education system. According to claim 1,
During or after the virtual spray painting operation,
Characterized in that the dry film thickness is displayed on the surface to be coated in the virtual space by the spray gun by color or numerical value through the HMD.
Virtual reality based spray painting education system. According to claim 1,
The HMD,
Characterized in that, in conjunction with the virtual spray painting operation in the virtual space, a sound simulating the operation of a spray jet or a sprayer pump is provided.
Virtual reality based spray painting education system. A virtual reality-based spray painting education method using the virtual reality-based spray painting education system according to any one of claims 1 to 31.