CN111459282A - Fire safety escape practical training drilling system and method based on VR technology - Google Patents
Fire safety escape practical training drilling system and method based on VR technology Download PDFInfo
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Abstract
The invention discloses a fire safety escape practical training drilling system and method based on VR technology, the system comprises a display, a walking platform, a control handle and a controller, the controller comprises a construction module, an acquisition module, a loading module, a construction module, a selection module, a prompt module and an evaluation module, and the acquired geographic information and spatial position and a constructed factory building fire scene virtual scene model library are combined and loaded into a three-dimensional scene; adding a real environment simulation function of a walking platform into the presented drilling simulation scene to create a sensing atmosphere of a fire scene; and if the fact that the experiencer selects the teaching module is recognized, giving a prompt of the whole experience process, wherein the prompt is used for guiding the experiencer to carry out related operation. The invention enables the experiencer to really experience fire safety escape; the experiencer can actively learn the fire safety escape knowledge, enhance understanding and realize the importance of fire safety escape, and the method can be effectively applied to actual life.
Description
Technical Field
The invention relates to the technical field of virtual reality, and particularly discloses a fire safety escape practical training drilling system and method based on VR technology.
Background
At present, fire fighting training on the market is mainly performed on the spot, but the field type training method is limited by the field range, so that the content of the training which is not well developed and trained can be limited, and meanwhile, certain environmental pollution can be brought. Moreover, untrained personnel can hardly participate in the training, and can only learn by watching other people to operate.
The main defects of the existing fire-fighting training are as follows:
firstly, the field is limited, and the training effect is not strong.
And secondly, the knowledge is passively accepted, so that the knowledge is difficult to understand and easy to forget.
And thirdly, everyone cannot participate in the method, and the learned theoretical knowledge is not practical in actual life.
Therefore, the above-mentioned defects of the existing fire-fighting training are a technical problem to be solved urgently.
Disclosure of Invention
The invention provides a fire safety escape practical training drilling system and method based on VR technology, aiming at solving the defects of the existing fire training.
The invention relates to a fire safety escape practical training drilling system based on VR technology, which comprises a display, a walking platform, a control handle and a controller, wherein the controller is respectively connected with the display, the walking platform and the control handle, and comprises:
the building module is used for building a factory building fire scene virtual scene model library;
the acquisition module is used for acquiring geographic information and spatial positions;
the loading module is used for combining the acquired geographic information and spatial position with the built plant fire scene virtual scene model base, loading the combined geographic information and spatial position into a three-dimensional scene, and presenting a three-dimensional virtual reality drilling simulation scene in a display;
the building module is used for adding a real environment simulation function of a walking platform into the displayed drilling simulation scene to build a sensing atmosphere of a fire scene;
the selection module is used for entering a corresponding drilling mode according to a selection result of an experiencer, and the drilling mode comprises a teaching module and a reality mode;
the prompting module is used for giving a prompt of the whole experience process in the displayed three-dimensional virtual reality drilling simulation scene if the fact that the experiencer selects the teaching module is recognized, and the prompt is used for guiding the experiencer to carry out related operation;
and the evaluation module is used for evaluating the fire safety escape practical training effect of the experiencer according to the control instruction made by the control handle and the corresponding operation made by the experiencer.
Further, the controller further comprises:
the life sign module is used for presetting a life value, and in a simulated real environment, if the life value of the life sign of the experiencer is identified to be zero, the escape experience fails;
the aging module is used for presetting a time effective value, and in a simulated real environment, if the fact that the experiencer does not finish the extinguishing of the simulated initial fire within the set time is identified, the fire extinguishment fails; if the experience person is identified not to escape from the simulated fire scene within the set time, the escape is failed.
Further, the fire safety escape practical training drilling system also comprises a head-wearing virtual reality device,
the controller further includes:
and the atmosphere building module is used for carrying out virtual position visit on an experiencer in a three-dimensional scene of virtual reality according to the complete immersive three-dimensional visual experience of the wearable virtual reality equipment and the head tracking, and building a rehearsal simulation scene atmosphere for fire safety escape.
Further, the virtual scene model library of the factory building fire scene comprises building facilities, a background environment, a fire scene and fire-fighting rescue equipment.
Further, the drilling simulation scene comprises office room temperature test, fire alarm call dialing, moving to an alarm position for fire alarm, and moving to the front of a working table for escape protection simulation; moving to the power main switch to close the power main switch; keeping the state of bending waist to continue escaping; before moving to the fire extinguisher, one or more of extinguishing fire, selecting a proper escape route or escaping to a safe area are carried out.
Further, the prompt includes one or more of cursor indication, UI or voice prompt.
Further, the simulated environment includes one or more of smoke, oxygen content, temperature, or flame.
The invention also relates to a fire safety escape practical training drilling method based on VR technology, which is applied to the fire safety escape practical training drilling system, and the fire safety escape practical training drilling method comprises the following steps:
constructing a virtual scene model library of a factory building fire scene;
acquiring geographic information and a spatial position;
combining the acquired geographic information and spatial position with the built plant fire scene virtual scene model library, loading the combined geographic information and spatial position into a three-dimensional scene, and presenting a three-dimensional virtual reality drilling simulation scene in a display;
adding a real environment simulation function of a walking platform into the presented drilling simulation scene to create a sensing atmosphere of a fire scene;
entering a corresponding drilling mode according to a selection result of an experiencer, wherein the drilling mode comprises a teaching module and a reality mode;
if the fact that the experiencer selects the teaching module is recognized, a prompt of the whole experience process is given in the displayed three-dimensional virtual reality drilling simulation scene, and the prompt is used for guiding the experiencer to perform relevant operations;
according to the control instruction made by the control handle and the corresponding operation made by the experiencer, the fire safety escape practical training exercise effect of the experiencer is evaluated.
Further, according to the control command made by the control handle and the corresponding operation made by the experiencer, the step of evaluating the fire safety escape practical training effect of the experiencer further comprises the following steps:
presetting a vital value, and if the vital value of the vital sign of an experiencer is identified to be zero in a simulated real environment, failing to experience the escape;
presetting a time effective value, and if the fact that the experiencer does not finish the extinguishing of the simulated initial fire within the set time is identified in the simulated real environment, the fire extinguishing fails; if the experience person is identified not to escape from the simulated fire scene within the set time, the escape is failed.
Further, fire safety flees and instructs drill system still includes wear-type virtual reality equipment, according to the control command that control handle made and the corresponding operation that experience person made, still includes before the step of evaluateing experience person's fire safety flee and instruct drill effect in fact:
according to the complete immersion type stereoscopic vision experience of the wearable virtual reality equipment, the experience person is visited at the virtual position in the stereoscopic scene of the virtual reality in a matching way with the head tracking mode, and the rehearsal simulation scene atmosphere for fire safety escape is built.
The beneficial effects obtained by the invention are as follows:
the invention provides a fire safety escape practical training drilling system and method based on VR technology, wherein the fire safety escape practical training drilling system adopts a display, a walking platform, a control handle and a controller, and adopts a scene presentation concept of virtual practical training for fire safety escape through an immersive VR virtual reality technology, wherein the self fire escape capability is mainly trained through interaction between a user and a virtual scene. Combining the geographic information, the spatial position and the atmosphere to be presented with the virtual scene model to construct the environment where the fire occurs, and creating the sensing atmosphere of the fire scene by combining the functions of the hardware equipment and the simulated real environment of the walking platform; and (4) atmosphere construction is carried out on the scene of virtual reality for fire safety escape by utilizing the VR virtual reality technology. The specific position of an experiencer in a scene is controlled through a control code script of a route, a corresponding model and animation are played in a fixed scene, the experiencer can see a correct corresponding method and cautionary matters when a fire disaster occurs, and when the scene animation is played, the atmosphere is subjected to corresponding playing sound, particle special effects and light special effects. According to the fire safety escape practical training drilling system and method based on the VR technology, an experiencer can really experience fire safety escape in a VR virtual scene experience mode, and participate in the fire safety escape experience mode to perform complete fire escape experience once; the experiencer can actively learn the fire safety escape knowledge, enhance understanding and realize the importance of fire safety escape, and the method can be effectively applied to actual life.
Drawings
Fig. 1 is a functional block diagram of an embodiment of a fire safety escape practical training system of VR technology provided by the present invention;
FIG. 2 is a functional block diagram of a first embodiment of the controller shown in FIG. 1;
FIG. 3 is a functional block diagram of a second embodiment of the controller shown in FIG. 2;
FIG. 4 is a functional block diagram of a third embodiment of the controller shown in FIG. 3;
fig. 5 is a schematic flow chart of a first embodiment of a fire safety escape practical training method of VR technology provided by the present invention;
fig. 6 is a schematic flow chart of a fire safety escape practical training method of VR technology according to a second embodiment of the present invention;
fig. 7 is a schematic flow chart of a fire safety escape practical training method of VR technology according to a third embodiment of the present invention.
The reference numbers illustrate:
10. a display; 20. a walking platform; 30. a control handle; 40. a controller; 50. a head-mounted virtual reality device; 41. building a module; 42. an acquisition module; 43. loading a module; 44. building a module; 45. a selection module; 46. a prompt module; 47. an evaluation module; 481. a vital sign module; 482. an aging module; 49. and an atmosphere building module.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 1 and fig. 2, a first embodiment of the present invention provides a fire safety escape practical training system based on VR technology, which includes a display 10, a walking platform 20, a control handle 30 and a controller 40, wherein the controller 40 is respectively connected to the display 10, the walking platform 20 and the control handle 30, and the controller 40 includes: the building module 41 is used for building a virtual scene model library of a factory building fire scene; an obtaining module 42, configured to obtain geographic information and a spatial location; the loading module 43 is configured to combine the acquired geographic information and spatial position with the built plant fire scene virtual scene model library, load the combined result into a three-dimensional scene, and present a drilling simulation scene of a three-dimensional virtual reality in the display 10; the building module 44 is used for adding the real environment simulation function of the walking platform 20 into the displayed drilling simulation scene to build the sensing atmosphere of the fire scene; the selection module 45 is used for entering a corresponding drilling mode according to a selection result of the experiencer, and the drilling mode comprises a teaching module and a reality mode; a prompt module 46, configured to give a prompt of the whole experience process in the displayed drilling simulation scene of the three-dimensional virtual reality if it is recognized that the experiencer selects the teaching module, where the prompt is used to guide the experiencer to perform related operations; and the evaluation module 47 is used for evaluating the fire safety escape practical training effect of the experiencer according to the control instruction made by the control handle 30 and the corresponding operation made by the experiencer. The virtual scene model library of the factory building fire scene comprises building facilities, a background environment, a fire scene and fire-fighting rescue equipment. In the embodiment, a scene presentation concept of virtual training for fire safety escape through an immersive VR virtual reality technology is provided, wherein the fire escape capability of a user is mainly trained through interaction between the user and a virtual scene. The drilling simulation scene comprises office room temperature test, fire alarm call dialing, movement to an alarm position for fire alarm, and movement to the front of a working table for escape protection simulation; moving to the power main switch to close the power main switch; keeping the state of bending waist to continue escaping; before moving to the fire extinguisher, one or more of extinguishing fire, selecting a proper escape route or escaping to a safe area are carried out. The prompt includes one or more of a cursor indication, a UI (User Interface), or a voice prompt. The simulated environment comprises one or more of smoke, oxygen content, temperature or flame. In the embodiment, the geographic information and the spatial position of the frequent trip of the experiencer are obtained, the actual workplace of the experiencer is obtained according to the working habits of the experiencer, and the three-dimensional virtual work reality place matched with the actual workplace of the experiencer is constructed, so that the experiencer has more sense of reality and immersion. The practice mode comprises a teaching module and a reality mode, the teaching module can complete the experience and the learning process completely, efficiently and correctly for the first experience person, and the experience person completes the operation according to a large amount of cursors, a UI (user interface) and voice indication in the teaching mode. In the real-world mode, no voice and UI operation prompts are provided in the system, so that the experiencer can try more escape routes and escape ways.
In the embodiment, a virtual scene model library of a factory building fire scene is constructed, wherein the virtual scene model library comprises building facilities, a background environment, a fire scene, fire-fighting rescue equipment and the like; loading the virtual scene model library into a three-dimensional scene in combination with geographic information and a spatial position to present a drilling simulation scene of three-dimensional virtual reality; and due to the heating function of the hardware equipment, namely the walking platform, the experiencer starts to carry out fire safety escape from the office of the virtual reality plant according to the prompt, escapes from the scene and enters a safety region. And the prompt of the whole experience process is set in the process, so that the panic of an experiencer caused by fire is avoided. The experiencers can deeply feel the 'true' of the fire in the experience process, corresponding operation is carried out according to the prompt of the system, and in the step process, the experiencers learn the fire safety escape knowledge and master the escape skills, so that people are guaranteed to master the fire fighting and fire scene escape skills.
The fire safety escape practical training drilling system adopting the VR technology provided by the embodiment specifically adopts the following working principle:
firstly, building a virtual scene of a fire scene, wherein a building module 41 builds a factory building fire scene virtual scene model library through a 3D max/maya modeling tool and the like; the obtaining module 42 obtains the geographic information and the spatial position of the frequent trip of the experiencer, and obtains the actual workplace of the experiencer according to the working habits of the experiencer. The loading module 43 loads the actual workplace of the experiencer into the three-dimensional scene through unity 3D, and establishes a virtual reality plant.
In the unity 3D, the specific position of an experiencer in a scene is controlled through a control code script of a route, a corresponding model and animation are played in a fixed scene, so that the experiencer can see a correct corresponding method and attention when a fire disaster occurs, and when the scene animation is played, the corresponding playing sound, particle special effects and light special effects are used for backing the atmosphere.
After the scene is entered, firstly the heating function of the walking platform is opened, and the building module 44 builds the atmosphere which is ignited in the virtual reality plant. When the experiencer stands in front of the office door, the prompt module 46 gives a corresponding prompt, and the experiencer starts to perform door temperature testing according to a User Interface (UI) prompt. (if the evaluation module 47 recognizes that the door temperature test is not performed for more than the set test time, for example, 5 minutes, the experiencer dies and exits the scene.) the door temperature test is normal, and the office door is opened to escape from the door. (if the evaluation module 47 recognizes that the set door open time is exceeded, e.g., 4 minutes, and the trigger is not pulled to open the office door, the experiencer dies, exits the scene.)
And thirdly, after going out, dialing a fire alarm call according to the UI prompt. (if the evaluation module 47 recognizes that the set door opening time is exceeded, for example, 3 minutes, and no fire alarm call is made, the experiencer dies and exits the scene.)
And fourthly, after alarming, moving to an alarm position according to the UI prompt to alarm. (if the evaluation module 47 identifies that the set alarm time is exceeded, e.g., 2 minutes, and no fire alarm is given, the experiencer dies, exits the scene.)
And fifthly, moving the towel to the front of the working table, wetting the towel with water, covering the mouth and the nose, and continuing to escape. (evaluation module 47 if it identifies that a set time of experience, e.g., 90 seconds, is exceeded, the towel is not wetted, the mouth and nose are not covered, the experiencer dies, and exits the scene.)
And sixthly, moving to a power supply main switch, and closing the power supply main switch according to the UI prompt. (evaluation module 47 may identify that the experience is dead and the scene exits if it identifies that the set experience time, e.g., 60 seconds, has not been exceeded, has not been turned off, has not covered the mouth and nose.)
And seventhly, keeping the bending state to continuously escape according to the UI prompt.
And eighthly, moving the movable fire extinguisher to the front of the fire extinguisher, prompting that the right hand holds the pressing handle and the left hand pulls out the safety pin according to the UI to extinguish the fire. After the fire is extinguished, a feasible way is presented.
And ninthly, the UI prompts appear. The fire is too big, and the fire extinguisher can't put out, escapes to safe area according to the UI suggestion. (if evaluation module 47 identifies that a set time of experience is exceeded, e.g., 30 seconds, the experience is not escaping, does not cover the mouth and nose, and the experience dies, exits the scene.)
And tenthly, in the escape process, the front oxygen tank explodes suddenly, a sound is given out, and the goods on the goods shelf fall in front of the experience person.
And eleventh, according to the UI prompt, the fire scene area is kept calm and leaves as soon as possible. (if evaluation module 47 identifies a departure time exceeding a set time, e.g., 10 seconds, not leaving as quickly as possible, not covering the mouth and nose, and the experiencer dies, exits the scene.)
And twelfth, the experiencer leaves the fire scene area, arrives at the safe area, and closes the heating function of the walking platform.
Further, as shown in fig. 3, fig. 3 is a functional module schematic diagram of a second embodiment of the controller shown in fig. 2, and on the basis of the first embodiment, the controller 40 further includes a vital sign module 481 and an aging module 482, where the vital sign module 481 is used for presetting a vital value, and in a simulated real environment, if the vital value of the vital sign of the experiencer is identified as zero, the escape experience fails; the aging module 482 is used for presetting a time effective value, and in a simulated real environment, if the fact that the experiencer does not finish the simulated extinguishing of the initial fire within the set time is identified, the fire extinguishing fails; if the experience person is identified not to escape from the simulated fire scene within the set time, the escape is failed. In this embodiment, when an experiencer experiences in a virtual environment, a living body (with an initial value of 100) is affected by smoke, oxygen content, temperature, flame and other factors, and is continuously reduced under the influence (different factors have different influences on the living body in a unit time). No matter the experiencer arrives at the link or the position, if the life value is reduced to 0, the escape fails.
Preferably, please see fig. 4, fig. 4 is a functional module schematic diagram of a third embodiment of the controller shown in fig. 3, on the basis of the first embodiment, the fire safety escape practical training system further includes a head-mounted virtual reality device 50, the controller 40 further includes an atmosphere construction module 49, and the atmosphere construction module 49 is configured to perform virtual location visit on an experiencer in a virtual reality stereoscopic scene according to the fully immersive stereoscopic vision experience of the head-mounted virtual reality device 50 and head tracking, so as to construct a fire safety escape practical scene atmosphere. In this embodiment, utilize VR virtual reality technique to carry out the atmosphere to the scene of the virtual reality that fire control safety fleeed and gone on and construct. The atmosphere is constructed in a mode that the safe immersive stereoscopic vision experience of the VR helmet is matched with the head tracking to visit the virtual position of the experiencer in the stereoscopic scene of the virtual reality, the real environment is isolated, and the experiencer can watch the virtual scene constructed by the viewing model in the large-range space simulated in the virtual reality scene.
Referring to fig. 5, fig. 5 is a schematic flow chart of a first embodiment of a fire safety escape practical training method of VR technology provided in the present invention, which is applied to the fire safety escape practical training system, in this embodiment, the fire safety escape practical training method includes the following steps:
and S100, constructing a virtual scene model library of a factory building fire scene.
The virtual scene model library of the factory building fire scene comprises building facilities, a background environment, a fire scene and fire-fighting rescue equipment.
And step S200, acquiring geographic information and spatial positions.
Through obtaining the geographic information and the spatial position of the frequent trip of the experience person, the actual workplace of the experience person is obtained according to the working habit of the experience person, and a three-dimensional virtual working reality place matched with the actual workplace of the experience person is built, so that the experience person has more sense of reality and immersion.
And S300, combining the acquired geographic information and spatial position with the constructed plant fire scene virtual scene model base, loading the combined geographic information and spatial position into a three-dimensional scene, and presenting a three-dimensional virtual reality drilling simulation scene in a display.
And combining the obtained actual workplace of the experiencer with the built plant fire scene virtual scene model library, loading the combined actual workplace into a three-dimensional scene, and displaying the drilling simulation scene of the three-dimensional virtual reality through a display.
And S400, adding a real environment simulation function of a walking platform into the displayed drilling simulation scene to create a sensing atmosphere of a fire scene.
The simulated real environment function comprises one or more of smoke, oxygen content, temperature or flame. In the embodiment, the sensing atmosphere of the fire scene is created through the heating function of the walking platform.
And S500, entering a corresponding drilling mode according to the selection result of the experiencer, wherein the drilling mode comprises a teaching module and a reality mode.
The teaching module is used for enabling a primary experiencer to complete experience and learning completely, efficiently and correctly, and under the teaching mode, the experiencer completes operation according to a large number of cursors, UI and voice instructions. In the real-world mode, no voice and UI operation prompts are provided in the system, so that the experiencer can try more escape routes and escape ways.
And S600, if the fact that the experiencer selects the teaching module is recognized, giving a prompt of the whole experience process in the displayed three-dimensional virtual reality drilling simulation scene, wherein the prompt is used for guiding the experiencer to perform related operations.
The prompt includes one or more of a cursor indication, a UI (User Interface), or a voice prompt.
And S700, evaluating the fire safety escape practical training effect of the experiencer according to the control instruction made by the control handle and the corresponding operation made by the experiencer.
In a simulated real environment, according to a control instruction made by a control handle and corresponding operation made by an experiencer, if the fact that the experiencer does not complete simulated extinguishing of an initial fire within a set time is identified, fire extinguishment fails; if the experience person is identified not to escape from the simulated fire scene within the set time, the escape is failed. In the embodiment, a scene presentation concept of virtual training for fire safety escape through an immersive VR virtual reality technology is provided, wherein the fire escape capability of a user is mainly trained through interaction between the user and a virtual scene.
In the embodiment, a virtual scene model library of a factory building fire scene is constructed, wherein the virtual scene model library comprises building facilities, a background environment, a fire scene, fire-fighting rescue equipment and the like; loading the virtual scene model library into a three-dimensional scene in combination with geographic information and a spatial position to present a drilling simulation scene of three-dimensional virtual reality; and due to the heating function of the hardware equipment, namely the walking platform, the experiencer starts to carry out fire safety escape from the office of the virtual reality plant according to the prompt, escapes from the scene and enters a safety region. And the prompt of the whole experience process is set in the process, so that the panic of an experiencer caused by fire is avoided. The experiencers can deeply feel the 'true' of the fire in the experience process, corresponding operation is carried out according to the prompt of the system, and in the step process, the experiencers learn the fire safety escape knowledge and master the escape skills, so that people are guaranteed to master the fire fighting and fire scene escape skills.
The basic flow of the fire safety escape practical training drilling method of the VR technology provided in this embodiment is specifically as follows:
step one, constructing a virtual scene of a fire scene, constructing a plant fire scene virtual scene model library through a 3D max/maya modeling tool and the like, and loading a three-dimensional scene through unity 3D.
In the unity 3D, the specific position of an experiencer in a scene is controlled through a control code script of a route, a corresponding model and animation are played in a fixed scene, so that the experiencer can see a correct corresponding method and attention when a fire disaster occurs, and when the scene animation is played, the corresponding playing sound, particle special effects and light special effects are used for backing the atmosphere.
And step two, after the scene is entered, firstly, the heating function of the walking platform is opened, and the workshop is on fire. The experiencer stands in front of the office door and starts to perform door temperature test according to the prompt of a User Interface (UI). (if the door temperature test is not carried out for more than the set test time, for example, 5 minutes, the experiencer dies and exits from the scene.) the door temperature test is normal, and the office door is opened to escape from the door. (if the set door open time is exceeded, e.g., 4 minutes, and the office door is opened without pulling the trigger, the experiencer dies, exits the scene.)
And step three, dialing a fire alarm call according to the UI prompt after the user goes out. (if the set door opening time is exceeded, for example, 3 minutes, and no fire alarm call is made, the experiencer dies, exits the scene.)
And step four, after alarming, moving to an alarm position according to the UI prompt to alarm. (if a fire alarm is not made for more than a set alarm time, e.g., 2 minutes, the experiencer dies, exits the scene.)
And step five, moving the towel to the front of a working table, wetting the towel with water, covering the mouth and the nose, and continuing to escape. (if the set experience time, e.g., 90 seconds, is exceeded, the towel is not wetted, the mouth and nose are not covered, the experiencer dies, and exits the scene.)
And step six, moving to a power supply main switch, and closing the power supply main switch according to the UI prompt. (if the set experience time, such as 60 seconds, is exceeded, the main power switch is not turned off, and the mouth and nose are not covered, the experiencer dies and exits the scene.)
And step seven, keeping the bending state to continue escaping according to the UI prompt.
And step eight, moving to the front of the fire extinguisher, prompting that the right hand holds the pressing handle and the left hand dials out the safety pin according to the UI to extinguish the fire. After the fire is extinguished, a feasible way is presented.
Step nine, the UI prompts appear. The fire is too big, and the fire extinguisher can't put out, escapes to safe area according to the UI suggestion. (if the experience time exceeds a set experience time, e.g., 30 seconds, the user does not escape, does not cover the mouth and nose, the user dies, and exits the scene.)
Step ten, in the escape process, the front oxygen tank explodes suddenly and makes a loud sound, and the goods on the goods shelf fall in front of the experiencer.
Step eleven, according to the UI prompt, the peaceful effect is kept, and the person leaves the fire scene area as soon as possible. (if the user does not leave the room as soon as possible and does not cover the mouth and nose, the experiencer dies and exits the scene, if a set departure time is exceeded, for example, 10 seconds.)
And step twelve, the experiencer leaves the fire scene area and arrives at the safe area, and the heating function of the walking platform is closed.
Further, as shown in fig. 6, fig. 6 is a schematic flow chart of a second embodiment of the fire safety escape practical training method of VR technology provided by the present invention, and on the basis of the first embodiment, before step S700, the method further includes:
step S700A, presetting a life value, and in a simulated real environment, if the life value of the life body sign of the experiencer is identified to be zero, the escape experience fails.
In this embodiment, when an experiencer experiences in a virtual environment, a living body (with an initial value of 100) is affected by smoke, oxygen content, temperature, flame and other factors, and is continuously reduced under the influence (different factors have different influences on the living body in a unit time). No matter the experiencer arrives at the link or the position, if the life value is reduced to 0, the escape fails.
Step S700B, presetting a time effective value, and in a simulated real environment, if the fact that the experiencer does not finish the simulated extinguishing of the initial fire within the set time is recognized, the fire extinguishing fails; if the experience person is identified not to escape from the simulated fire scene within the set time, the escape is failed.
In this embodiment, within a set time, for example, 30 seconds, if the experiencer does not escape and does not cover the mouth and nose, the experiencer dies and exits the scene.
Preferably, please refer to fig. 7, where fig. 7 is a schematic flow diagram of a practical training practicing method for fire safety escape in VR technology according to a third embodiment of the present invention, on the basis of the first embodiment, the practical training practicing system for fire safety escape in this embodiment further includes a head-mounted virtual reality device, and before step S700, the practical training practicing system further includes:
step S700C, according to the complete immersion type stereoscopic vision experience of the wearable virtual reality device and the head tracking, visit of virtual positions is conducted on the experiencers in the stereoscopic scene of the virtual reality, and the rehearsal simulation scene atmosphere of fire safety escape is built.
In this embodiment, utilize VR virtual reality technique to carry out the atmosphere to the scene of the virtual reality that fire control safety fleeed and gone on and construct. The atmosphere is constructed in a mode that the safe immersive stereoscopic vision experience of the VR helmet is matched with the head tracking to visit the virtual position of the experiencer in the stereoscopic scene of the virtual reality, the real environment is isolated, and the experiencer can watch the virtual scene constructed by the viewing model in the large-range space simulated in the virtual reality scene.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a VR technical fire control safety is fleed and is instructed real drill system, its characterized in that, includes display (10), walking platform (20), control handle (30) and controller (40), controller (40) respectively with display (10), walking platform (20) with control handle (30) are connected, controller (40) include:
the building module (41) is used for building a virtual scene model library of a factory building fire scene;
an acquisition module (42) for acquiring geographic information and spatial locations;
the loading module (43) is used for combining the acquired geographic information and spatial position with the built plant fire scene virtual scene model library, loading the combined geographic information and spatial position into a three-dimensional scene, and presenting a three-dimensional virtual reality drilling simulation scene in the display (10);
the building module (44) is used for adding the real environment simulation function of the walking platform (20) into the displayed drilling simulation scene to build the sensing atmosphere of the fire scene;
the selection module (45) is used for entering a corresponding drilling mode according to a selection result of an experiencer, and the drilling mode comprises a teaching module and a reality mode;
a prompt module (46) for giving a prompt of the whole experience process in the displayed drilling simulation scene of the three-dimensional virtual reality if the fact that the experiencer selects the teaching module is recognized, wherein the prompt is used for guiding the experiencer to perform relevant operations;
and the evaluation module (47) is used for evaluating the fire safety escape practical training exercise effect of the experiencer according to the control instruction made by the control handle (30) and the corresponding operation made by the experiencer.
2. The VR system of claim 1, wherein the training exercise system for fire safety escape is provided,
the controller (40) further comprises:
the vital sign module (481) is used for presetting a vital value, and in a simulated real environment, if the vital value of the vital sign of the experiencer is identified to be zero, the escape experience fails;
the time efficiency module (482) is used for presetting a time efficiency value, and in a simulated real environment, if the fact that the experiencer does not finish simulated extinguishing of the initial fire in the set time is identified, the fire extinguishment fails; and if the experiencer is identified not to escape from the simulated fire scene within the set time, the escape fails.
3. The VR system of claim 1, wherein the training exercise system for fire safety escape is provided,
the fire safety escape practical training drilling system also comprises a head-wearing virtual reality device (50),
the controller (40) further comprises:
and the atmosphere building module (49) is used for carrying out virtual position visit on the experiencer in a virtual reality stereoscopic scene according to the complete immersion type stereoscopic vision experience of the wearable virtual reality equipment (50) and the head tracking, and building a drilling simulation scene atmosphere for fire safety escape.
4. The VR system of claim 1, wherein the training exercise system for fire safety escape is provided,
the plant fire scene virtual scene model library comprises building facilities, a background environment, a fire scene and fire-fighting rescue equipment.
5. The VR system of claim 1, wherein the training exercise system for fire safety escape is provided,
the drilling simulation scene comprises office room temperature test, fire alarm call dialing, movement to an alarm position for fire alarm, and movement to the front of a working table for escape protection simulation; moving to the power main switch to close the power main switch; keeping the state of bending waist to continue escaping; before moving to the fire extinguisher, one or more of extinguishing fire, selecting a proper escape route or escaping to a safe area are carried out.
6. The VR system of claim 1, wherein the training exercise system for fire safety escape is provided,
the prompt comprises one or more of cursor indication, UI or voice prompt.
7. The VR system of claim 1, wherein the training exercise system for fire safety escape is provided,
the simulated environment comprises one or more of smoke, oxygen content, temperature or flame.
8. A fire safety escape practical training drilling method based on VR technology, which is applied to the fire safety escape practical training drilling system according to any one of claims 1 to 7, and is characterized in that the fire safety escape practical training drilling method comprises the following steps:
constructing a virtual scene model library of a factory building fire scene;
acquiring geographic information and a spatial position;
combining the acquired geographic information and spatial position with the built plant fire scene virtual scene model library, loading the combined geographic information and spatial position into a three-dimensional scene, and presenting a three-dimensional virtual reality drilling simulation scene in a display;
adding a real environment simulation function of a walking platform into the displayed drilling simulation scene to create a sensing atmosphere of a fire scene;
entering a corresponding drilling mode according to a selection result of an experiencer, wherein the drilling mode comprises a teaching module and a reality mode;
if the fact that the experiencer selects the teaching module is recognized, giving a prompt of the whole experience process in the displayed drilling simulation scene of the three-dimensional virtual reality, wherein the prompt is used for guiding the experiencer to perform related operation;
and evaluating the fire safety escape practical training exercise effect of the experiencer according to the control instruction made by the control handle and the corresponding operation made by the experiencer.
9. The VR technique fire safety escape training method of claim 8, wherein the training exercise is performed by using a computer,
the step of evaluating the fire safety escape practical training effect of the experiencer according to the control instruction made by the control handle and the corresponding operation made by the experiencer also comprises the following steps:
presetting a vital value, and if the vital value of the vital sign of the experiencer is identified to be zero in a simulated real environment, failing to experience the escape;
presetting a time effective value, and if the fact that the experiencer does not finish the extinguishing of the simulated initial fire within the set time is identified in the simulated real environment, the fire extinguishing fails; and if the experiencer is identified not to escape from the simulated fire scene within the set time, the escape fails.
10. The VR technique fire safety escape training method of claim 9, wherein the training exercise is performed by a computer,
fire safety flees and instructs drill system still includes wear-type virtual reality equipment, according to the control command that control handle made and the corresponding operation that experience person made, the aassessment experience person's fire safety flees and instructs drill effect still includes before the step of training the drill effect:
according to the complete immersion type stereoscopic vision experience of the wearable virtual reality equipment, the experience person is visited at the virtual position in the stereoscopic scene of the virtual reality in cooperation with head tracking, and the rehearsal simulation scene atmosphere for fire safety escape is built.
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