CN113487929A - VR multi-person cooperation simulated fire extinguishing method - Google Patents
VR multi-person cooperation simulated fire extinguishing method Download PDFInfo
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Abstract
The invention discloses a VR multi-person cooperation simulation fire extinguishing method which is implemented based on a multi-person cooperation simulation fire extinguishing system; the method comprises the following steps: step S1, login operation; s2, establishing the online among the local area network server, the N VR head displays and the controllers thereof; determining the position of the airplane; s3, after a fire occurs in the VR airplane cabin scene, controlling respective virtual characters to move in the VR airplane cabin scene by the N students through the controller, and executing corresponding tasks according to instructions; and, choose to confirm the respective role of putting out a fire; and S4, executing a cooperative fire extinguishing process by the N students through the controller according to the selected fire extinguishing role so as to extinguish the fire in the VR airplane cabin scene. The invention realizes the cooperative fire extinguishing of a plurality of students in VR airplane cabin scenes based on VR technology, is beneficial to the students to carry out repeated fire extinguishing training for many times according to different scene fires, and has the advantages of low training cost, simple and convenient operation of the students and practical and convenient operation and monitoring of the teacher.
Description
Technical Field
The invention relates to a method for teaching or training, in particular to a VR multi-person cooperation simulated fire extinguishing method.
Background
The utility model with the patent number of CN201920507919.8 discloses an MR simulation fire extinguishing device, which comprises a VR head display and a simulation fire extinguisher, wherein the VR head display comprises a tracking module, a calculation module and a display module; the display module is used for transmitting a real-time simulated scene image, and the simulated fire extinguisher comprises a first button, a pressing handle, a spray pipe and a tracking module; the pressure is provided with button one on the handle, be provided with control sensor and button two on the spray tube, tracking module is used for receiving short distance wireless communication technical signal, and trigger button one will press action information and the control command of pressing the handle and transmit calculation module through tracking module, and trigger button two transmits calculation module with the position information of the emulation fire extinguisher that control sensor received through tracking module, calculation module is used for handling the information that tracking module provided and shows through display module, and this utility model discloses do not catch fire, do not play dense smoke, avoid causing environmental pollution, need not the consumptive material, greatly reduced the cost of fire control propaganda rehearsal. However, the existing VR fire-extinguishing simulation method is suitable for a single training person, does not support multi-person cooperative training, and lacks a training scene for multi-person cooperative fire extinguishing.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a VR multi-person cooperation simulated fire extinguishing method is provided.
The technical scheme adopted by the invention is as follows:
a VR multi-person cooperation simulated fire extinguishing method is characterized in that: the fire extinguishing system is implemented based on multi-person cooperation simulation;
the multi-person cooperation simulated fire extinguishing system comprises a local area network server, N VR head displays and controllers matched with the VR head displays, wherein N is more than or equal to 2; the database of the local area network server is preset with a plurality of VR airplane cabin scenes (such as business cabin scenes and economy cabin scenes with different layouts) of a plurality of airplane models, and the local area network server can randomly generate ignition points in the VR airplane cabin scenes;
the VR multi-person cooperation simulated fire extinguishing method comprises the following steps:
s1, logging in by N students through the worn VR head display and the worn VR controller;
step S2, establishing online among the local area network server, the N VR head displays and the controllers thereof, so that the virtual characters of the N trainees enter the same VR airplane cabin scene, and the image display and operation of the N VR head displays and the controllers thereof can be synchronized in the VR airplane cabin scene; determining the position of the airplane of one student as a conductor and the positions of the other students as conductors;
step S3, after the VR airplane cabin scene has a fire, giving an instruction to a crew member by the crew member long-term (for example, commanding N students to be respectively responsible for tasks of pacifying NPC passengers, searching fire points and the like), wherein the N students control respective virtual characters to move in the VR airplane cabin scene through the controller and execute corresponding tasks according to the instruction; the local area network server sends fire extinguishing role options including firefighters, supporters and communication staff to each student, and the N students select and determine respective fire extinguishing roles through the controller; generally, a trainee who first reaches the fire point serves as a firefighter, but N trainees may agree on the fire extinguishing roles to be respectively served.
The prompt of the VR airplane cabin scene of the fire can be in the mode that NPC passengers send 'on fire' calls for help, or the local area network server directly sends prompt information to VR head displays of N students and the like.
And step S4, the N students execute a cooperative fire extinguishing process through a controller according to the selected fire extinguishing role so as to extinguish the fire point in the VR airplane cabin scene.
In order to simulate the stride of walking on the passenger plane, when the trainee jumps by using the virtual character through the controller, the distance of each movement has the maximum amplitude (for example, 1.5 meters), the trainee moves, instead of selecting the ground through a ray to jump, the trainee moves towards the front, and then the trainee jumps forwards in a stepping mode after pressing a circular key, if the trainee does not press the key, the interval of the forward jump is 0.5 second (initial setting), and when the trainee releases the key, the jump is stopped (the trainee moves in reality, the virtual scene also moves the same distance, and the distance can be used as fine adjustment of the distance); in addition, a virtual boundary needs to be set, and when a user is about to exceed the boundary defined in reality, an obvious prompt appears in the virtual passenger cabin, so that the situation that people collide with each other due to space problems in reality is avoided.
Preferably: the VR aircraft cabin scene is provided with a virtual cockpit, a intercom system, a plurality of fire bottles, a protective breathing mask (PBE), a plurality of NPC (neutral Point control) crew members and a plurality of NPC passengers, the fire behavior of the fire point is set to be that at least two fire bottles are needed to be completely extinguished, and three or more fire bottles are needed to be completely extinguished under the condition that the fire bottles are not used properly; wherein, can refer to the mode of recreation, will the intensity of a fire of ignition sets up the form into HP blue stripe to the student show for HP blue stripe is emptied gradually along with the intensity of a fire weakens, and is totally empty at HP blue stripe, also under the situation that the intensity of a fire of ignition is not totally put out, if stop to use the fire bottle to put out a fire, the intensity of a fire of ignition can reignite, makes HP blue stripe slowly resume. Moreover, if the fire at the fire point is not found or controlled in time, the fire becomes more serious with the lapse of time and is accompanied by smoke of a corresponding degree, and the fire extinguishing failure is declared when the fire reaches a certain degree.
Referring to fig. 1, the cooperative fire extinguishing process of step S4 includes:
step S4-1, the firefighter reaches the fire point, shouts the fire-extinguishing port number (for example: find the fire in the XX position, i come to extinguish the fire!), and searches for a fire-extinguishing bottle within two meters of the fire point; at the same time, the communicator searches for a fire suppression bottle and transmits the found fire suppression bottle to the firefighter or a support nearby, and the support searches for a fire suppression bottle and transmits the found fire suppression bottle to the firefighter; after the firemen obtain the fire extinguishing bottles, extinguishing the fire at the fire point by using the fire extinguishing bottles, or transferring inflammable objects at the fire point and NPC passengers near the fire point by the firemen;
step S4-2, the supporter finds out and wears a protective breathing mask to reach the fire point within 10 seconds of the fire-fighting start of the fireman, and replaces the fireman with a fire-fighting bottle to extinguish the fire; meanwhile, the communicator reports the current fire condition (including the color concentration, smell, fire source, fire behavior, influence on passengers, action taken by the crew and the like) to the virtual cockpit through the intercom system;
step S4-3, the fireman finds out the fire bottle, water or incombustible drink to support the supporter, the supporter receives the supporter of the fireman to extinguish the fire at the fire point until the fire at the fire point is completely extinguished; at the same time, the communicator calls an NPC attendant to send a fire bottle to the supporter through the intercom system;
and step S4-4, after the fire at the fire point is completely extinguished, the communicator transmits the information that the fire is extinguished to the virtual cockpit through the internal communication system, and the fireman reports the information that the fire is extinguished to the crew department.
Preferably: when N is 3, three trainees respectively play the fire extinguishing roles of a fireman, a supporter and a communicator; when N is 2, two of the trainees respectively perform fire extinguishing roles of a fire fighter and a supporter, and one of the trainees also serves as the messenger.
In addition, the cooperative fire extinguishing process can be added with the following rules:
firstly, after a fire is found, the fire needs to be judged, whether the fire is caused by a lithium battery, combustible liquid or an electrical fault is judged, selection judgment (various selections appear, a correct one is selected from the selections, and the selection is limited, such as 5 seconds) can be made according to the color of smoke and the pungent smell, only one time is needed, and correct answers can be prompted when the selection is wrong.
Secondly, if the fire is a small fire of A class, mineral water/beverage can be used for timely treatment (can be used as an adding item); if the fire is not extinguished, the fire extinguishing process needs to be immediately switched to a general fire extinguishing process.
As a preferred embodiment of the present invention: the trainee can select to enter a training mode through the controller; in the training mode, the local area network server provides operation prompts in the collaborative fire extinguishing process for each student, and the operation prompts can be selectively turned on or off by the students through the controller. For example: when the fire extinguishing bottle is not operated properly and the fire extinguishing distance is not proper, a prompt is given; an optimal distance range for fire suppression is displayed around the ignition point; when the operation is not performed according to the prompt, the current operation is reminded not to be performed according to the preset in a certain UI mode, and the like.
The operation prompt can be a voice prompt, a character or pattern prompt on a VR head display visual field picture, a flashing character or pattern prompt and the like.
In addition, for the case that the number N is 2, namely only two students cooperate, the operation guide of the communicator can trigger the communication of the communicator within the range of the internal phone instead of relying on the role identity of the communicator, and the operation prompt of the communicator can be simultaneously triggered as long as the communicator enters the range of the specified internal phone no matter what role is.
Preferably: in the training mode, the specific manner of step S2 is: firstly, the N students agree in advance to select one student to act as a crew leader and the rest students to act as crew leaders, the crew leader selects a required airplane model from a database of the local area network server through a controller to create a corresponding collaboration room, and the rest students enter the collaboration room through the controller; secondly, selecting a VR airplane cabin scene needing to enter from scenes belonging to the airplane models by the crew; then, the local area network server randomly distributes three machine position options to each student; and finally, according to the pre-agreed result, the N students select and determine the respective positions of the machines through the controller.
As a preferred embodiment of the present invention: the student can select to enter an assessment mode through the controller; and in the evaluation mode, the local area network server scores the operation of each student in the collaborative fire extinguishing process according to a preset evaluation standard. Wherein the evaluation criterion may include: first, the length of time to extinguish a fire, the shorter the time, the higher the score. Secondly, whether the fire extinguisher is operated by mistake, for example, the fire extinguisher can be deducted by using the mistake, more fire extinguishers are used, and the more fire extinguishers are deducted; finally, if the fire cannot be extinguished, the fire is directly judged to be unqualified; the student can not use the fire extinguishing bottle when the operation is improper, the distance is not held well, the score is deducted when the distance is too close, the fire can not be extinguished when the distance is too far, and finally the score can also be influenced. Thirdly, the fire cause is judged to be wrongly deducted. And fourthly, whether the volume of the password reaches the standard or not. Fifthly, the subjective evaluation of the instructor: after the assessment is completed and the result is obtained, the teacher can additionally assess the student according to own standard, and the assessment can be recorded in the background for reference.
Preferably: in the assessment mode, the specific manner of the step S2 is as follows: the teacher presets the positions of the N students, the airplane models needing to enter and the VR airplane cabin scene through the local area network server, and after login operation is carried out, the virtual characters of the N students enter the VR airplane cabin scene and automatically enter the checking countdown.
Additionally, the trainee can select to enter a learning context mode through a controller; in a learning context mode, the LAN server automatically demonstrates to a student the operation of the fire fighting role in the collaborative fire fighting process. For example: for firefighters, support members, and correspondents, various possible disturbances and difficulties may be triggered and interpreted during their respective operations (at which time the trainee will not be able to move and will only stay in place), and after having watched these (or after having been explained by the instructor), the trainee may select the "i have learned" button to continue the action that the responsible character should be deployed. The learning situation is not for fire extinguishing, so that the operation of the trainee is not recorded and scored, and the final fire extinguishing result is not available.
As a preferred embodiment of the present invention: the multi-person cooperative simulated fire extinguishing system further comprises a system server;
in step S1, the manner of the student performing the login operation is: the student sends a login request through the controller by using the identity information of the student, the login request is transferred to the system server through the local area network server for verification, and for the login request which is verified successfully, the system server sends SSO login permission to the VR head display and the controller of the student through the local area network server;
and the local area network server and the system server record the login records of the students and the operation data in the collaborative fire extinguishing process, and establish corresponding training data tables.
As a preferred embodiment of the present invention: the multi-person cooperative simulated fire suppression system further comprises a display screen; each visual angle image displayed by the VR head can be synchronously displayed on the display screen, so that a teacher can conveniently observe and assess the images.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the cooperative fire extinguishing of a plurality of students in VR aircraft cabin scenes is realized based on VR technology, the repeated fire extinguishing training of the students for different scenes is facilitated, and the device has the advantages of low training cost, simplicity and convenience in student operation, and practicability and convenience in teacher operation and monitoring.
Secondly, the fire extinguishing device has a learning situation mode, a training mode and an examination mode, and can facilitate the learning, training and examination of students for multi-person cooperative fire extinguishing.
Drawings
The invention is described in further detail below with reference to the following figures and specific examples:
FIG. 1 is a flow chart of a cooperative fire suppression process of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and the accompanying drawings to help those skilled in the art to better understand the inventive concept of the present invention, but the scope of the claims of the present invention is not limited to the following embodiments, and all other embodiments obtained without inventive efforts by those skilled in the art will fall within the scope of the present invention without departing from the inventive concept of the present invention.
Example one
The invention discloses a VR multi-person cooperation simulated fire extinguishing method which is characterized by comprising the following steps: the fire extinguishing system is implemented based on multi-person cooperation simulation;
the multi-person cooperation simulated fire extinguishing system comprises a local area network server, N VR head displays and controllers matched with the VR head displays, wherein N is more than or equal to 2; the database of the local area network server is preset with a plurality of VR airplane cabin scenes (such as business cabin scenes and economy cabin scenes with different layouts) of a plurality of airplane models, and the local area network server can randomly generate ignition points in the VR airplane cabin scenes;
the VR multi-person cooperation simulated fire extinguishing method comprises the following steps:
s1, logging in by N students through the worn VR head display and the worn VR controller;
step S2, establishing online among the local area network server, the N VR head displays and the controllers thereof, so that the virtual characters of the N trainees enter the same VR airplane cabin scene, and the image display and operation of the N VR head displays and the controllers thereof can be synchronized in the VR airplane cabin scene; determining the position of the airplane of one student as a conductor and the positions of the other students as conductors;
step S3, after the VR airplane cabin scene has a fire, giving an instruction to a crew member by the crew member long-term (for example, commanding N students to be respectively responsible for tasks of pacifying NPC passengers, searching fire points and the like), wherein the N students control respective virtual characters to move in the VR airplane cabin scene through the controller and execute corresponding tasks according to the instruction; the local area network server sends fire extinguishing role options including firefighters, supporters and communication staff to each student, and the N students select and determine respective fire extinguishing roles through the controller; generally, a trainee who first reaches the fire point serves as a firefighter, but N trainees may agree on the fire extinguishing roles to be respectively served.
The prompt of the VR airplane cabin scene of the fire can be in the mode that NPC passengers send 'on fire' calls for help, or the local area network server directly sends prompt information to VR head displays of N students and the like.
And step S4, the N students execute a cooperative fire extinguishing process through a controller according to the selected fire extinguishing role so as to extinguish the fire point in the VR airplane cabin scene.
In order to simulate the stride of walking on the passenger plane, when the trainee jumps by using the virtual character through the controller, the distance of each movement has the maximum amplitude (for example, 1.5 meters), the trainee moves, instead of selecting the ground through a ray to jump, the trainee moves towards the front, and then the trainee jumps forwards in a stepping mode after pressing a circular key, if the trainee does not press the key, the interval of the forward jump is 0.5 second (initial setting), and when the trainee releases the key, the jump is stopped (the trainee moves in reality, the virtual scene also moves the same distance, and the distance can be used as fine adjustment of the distance); in addition, a virtual boundary needs to be set, and when a user is about to exceed the boundary defined in reality, an obvious prompt appears in the virtual passenger cabin, so that the situation that people collide with each other due to space problems in reality is avoided.
The above is a basic implementation manner of the first embodiment, and further optimization, improvement and limitation may be performed on the basis of the basic implementation manner:
preferably: the VR aircraft cabin scene is provided with a virtual cockpit, a intercom system, a plurality of fire bottles, a protective breathing mask (PBE), a plurality of NPC (neutral Point control) crew members and a plurality of NPC passengers, the fire behavior of the fire point is set to be that at least two fire bottles are needed to be completely extinguished, and three or more fire bottles are needed to be completely extinguished under the condition that the fire bottles are not used properly; wherein, can refer to the mode of recreation, will the intensity of a fire of ignition sets up the form into HP blue stripe to the student show for HP blue stripe is emptied gradually along with the intensity of a fire weakens, and is totally empty at HP blue stripe, also under the situation that the intensity of a fire of ignition is not totally put out, if stop to use the fire bottle to put out a fire, the intensity of a fire of ignition can reignite, makes HP blue stripe slowly resume. Moreover, if the fire at the fire point is not found or controlled in time, the fire becomes more serious with the lapse of time and is accompanied by smoke of a corresponding degree, and the fire extinguishing failure is declared when the fire reaches a certain degree.
Referring to fig. 1, the cooperative fire extinguishing process of step S4 includes:
step S4-1, the firefighter reaches the fire point, shouts the fire-extinguishing port number (for example: find the fire in the XX position, i come to extinguish the fire!), and searches for a fire-extinguishing bottle within two meters of the fire point; at the same time, the communicator searches for a fire suppression bottle and transmits the found fire suppression bottle to the firefighter or a support nearby, and the support searches for a fire suppression bottle and transmits the found fire suppression bottle to the firefighter; after the firemen obtain the fire extinguishing bottles, extinguishing the fire at the fire point by using the fire extinguishing bottles, or transferring inflammable objects at the fire point and NPC passengers near the fire point by the firemen;
step S4-2, the supporter finds out and wears a protective breathing mask to reach the fire point within 10 seconds of the fire-fighting start of the fireman, and replaces the fireman with a fire-fighting bottle to extinguish the fire; meanwhile, the communicator reports the current fire condition (including the color concentration, smell, fire source, fire behavior, influence on passengers, action taken by the crew and the like) to the virtual cockpit through the intercom system;
step S4-3, the fireman finds out the fire bottle, water or incombustible drink to support the supporter, the supporter receives the supporter of the fireman to extinguish the fire at the fire point until the fire at the fire point is completely extinguished; at the same time, the communicator calls an NPC attendant to send a fire bottle to the supporter through the intercom system;
and step S4-4, after the fire at the fire point is completely extinguished, the communicator transmits the information that the fire is extinguished to the virtual cockpit through the internal communication system, and the fireman reports the information that the fire is extinguished to the crew department.
Preferably: when N is 3, three trainees respectively play the fire extinguishing roles of a fireman, a supporter and a communicator; when N is 2, two of the trainees respectively perform fire extinguishing roles of a fire fighter and a supporter, and one of the trainees also serves as the messenger.
In addition, the cooperative fire extinguishing process can be added with the following rules:
firstly, after a fire is found, the fire needs to be judged, whether the fire is caused by a lithium battery, combustible liquid or an electrical fault is judged, selection judgment (various selections appear, a correct one is selected from the selections, and the selection is limited, such as 5 seconds) can be made according to the color of smoke and the pungent smell, only one time is needed, and correct answers can be prompted when the selection is wrong.
Secondly, if the fire is a small fire of A class, mineral water/beverage can be used for timely treatment (can be used as an adding item); if the fire is not extinguished, the fire extinguishing process needs to be immediately switched to a general fire extinguishing process.
Example two
On the basis of the first embodiment, the second embodiment also adopts the following preferred embodiments:
the trainee can select to enter a training mode through the controller; in the training mode, the local area network server provides operation prompts in the collaborative fire extinguishing process for each student, and the operation prompts can be selectively turned on or off by the students through the controller. For example: when the fire extinguishing bottle is not operated properly and the fire extinguishing distance is not proper, a prompt is given; an optimal distance range for fire suppression is displayed around the ignition point; when the operation is not performed according to the prompt, the current operation is reminded not to be performed according to the preset in a certain UI mode, and the like.
The operation prompt can be a voice prompt, a character or pattern prompt on a VR head display visual field picture, a flashing character or pattern prompt and the like.
In addition, for the case that the number N is 2, namely only two students cooperate, the operation guide of the communicator can trigger the communication of the communicator within the range of the internal phone instead of relying on the role identity of the communicator, and the operation prompt of the communicator can be simultaneously triggered as long as the communicator enters the range of the specified internal phone no matter what role is.
The above is the basic implementation manner of the second embodiment, and further optimization, improvement and limitation can be made on the basis of the basic implementation manner:
preferably: in the training mode, the specific manner of step S2 is: firstly, the N students agree in advance to select one student to act as a crew leader and the rest students to act as crew leaders, the crew leader selects a required airplane model from a database of the local area network server through a controller to create a corresponding collaboration room, and the rest students enter the collaboration room through the controller; secondly, selecting a VR airplane cabin scene needing to enter from scenes belonging to the airplane models by the crew; then, the local area network server randomly distributes three machine position options to each student; and finally, according to the pre-agreed result, the N students select and determine the respective positions of the machines through the controller.
EXAMPLE III
On the basis of the first embodiment or the second embodiment, the third embodiment further adopts the following preferred embodiments:
the student can select to enter an assessment mode through the controller; and in the evaluation mode, the local area network server scores the operation of each student in the collaborative fire extinguishing process according to a preset evaluation standard. Wherein the evaluation criterion may include: first, the length of time to extinguish a fire, the shorter the time, the higher the score. Secondly, whether the fire extinguisher is operated by mistake, for example, the fire extinguisher can be deducted by using the mistake, more fire extinguishers are used, and the more fire extinguishers are deducted; finally, if the fire cannot be extinguished, the fire is directly judged to be unqualified; the student can not use the fire extinguishing bottle when the operation is improper, the distance is not held well, the score is deducted when the distance is too close, the fire can not be extinguished when the distance is too far, and finally the score can also be influenced. Thirdly, the fire cause is judged to be wrongly deducted. And fourthly, whether the volume of the password reaches the standard or not. Fifthly, the subjective evaluation of the instructor: after the assessment is completed and the result is obtained, the teacher can additionally assess the student according to own standard, and the assessment can be recorded in the background for reference.
The above is the basic implementation of the third embodiment, and further optimization, improvement and limitation can be made on the basis of the basic implementation:
preferably: in the assessment mode, the specific manner of the step S2 is as follows: the teacher presets the positions of the N students, the airplane models needing to enter and the VR airplane cabin scene through the local area network server, and after login operation is carried out, the virtual characters of the N students enter the VR airplane cabin scene and automatically enter the checking countdown.
Additionally, the trainee can select to enter a learning context mode through a controller; in a learning context mode, the LAN server automatically demonstrates to a student the operation of the fire fighting role in the collaborative fire fighting process. For example: for firefighters, support members, and correspondents, various possible disturbances and difficulties may be triggered and interpreted during their respective operations (at which time the trainee will not be able to move and will only stay in place), and after having watched these (or after having been explained by the instructor), the trainee may select the "i have learned" button to continue the action that the responsible character should be deployed. The learning situation is not for fire extinguishing, so that the operation of the trainee is not recorded and scored, and the final fire extinguishing result is not available.
Example four
On the basis of any one of the first to third embodiments, the fourth embodiment further adopts the following preferred embodiments:
the multi-person cooperative simulated fire extinguishing system further comprises a system server;
in step S1, the manner of the student performing the login operation is: the student sends a login request through the controller by using the identity information of the student, the login request is transferred to the system server through the local area network server for verification, and for the login request which is verified successfully, the system server sends SSO login permission to the VR head display and the controller of the student through the local area network server;
and the local area network server and the system server record the login records of the students and the operation data in the collaborative fire extinguishing process, and establish corresponding training data tables.
EXAMPLE five
On the basis of any one of the first to fourth embodiments, the fifth embodiment further adopts the following preferred embodiments:
the multi-person cooperative simulated fire suppression system further comprises a display screen; each visual angle image displayed by the VR head can be synchronously displayed on the display screen, so that a teacher can conveniently observe and assess the images.
The present invention is not limited to the above embodiments, and various other equivalent modifications, substitutions and alterations can be made without departing from the basic technical concept of the invention as described above, according to the common technical knowledge and conventional means in the field.
Claims (9)
1. A VR multi-person cooperation simulated fire extinguishing method is characterized in that: the fire extinguishing system is implemented based on multi-person cooperation simulation;
the multi-person cooperation simulated fire extinguishing system comprises a local area network server, N VR head displays and controllers matched with the VR head displays, wherein N is more than or equal to 2; the database of the local area network server is preset with a plurality of VR airplane cabin scenes of a plurality of airplane models, and the local area network server can randomly generate fire points in the VR airplane cabin scenes;
the VR multi-person cooperation simulated fire extinguishing method comprises the following steps:
s1, logging in by N students through the worn VR head display and the worn VR controller;
step S2, establishing online among the local area network server, the N VR head displays and the controllers thereof, so that the virtual characters of the N trainees enter the same VR airplane cabin scene; determining the position of the airplane of one student as a conductor and the positions of the other students as conductors;
step S3, after a fire occurs in the VR airplane cabin scene, giving an instruction to a crew member by the crew member leader, and controlling respective virtual characters to move in the VR airplane cabin scene by the N crew members through the controller and executing corresponding tasks according to the instruction; the local area network server sends fire extinguishing role options including firefighters, supporters and communication staff to each student, and the N students select and determine respective fire extinguishing roles through the controller;
and step S4, the N students execute a cooperative fire extinguishing process through a controller according to the selected fire extinguishing role so as to extinguish the fire point in the VR airplane cabin scene.
2. The VR multi-person collaborative simulated fire extinguishing method of claim 1, wherein: the VR airplane cabin scene is provided with a virtual cockpit, a intercom system, a plurality of fire bottles, a protective breathing mask, a plurality of NPC (neutral Point control) crew members and a plurality of NPC passengers, and the fire behavior of the fire point is set to be that at least two fire bottles are needed to completely extinguish;
the cooperative fire extinguishing process of step S4 includes:
step S4-1, when the fire fighter reaches a fire point, the fire fighter yells a fire extinguishing port number and searches for a fire extinguishing bottle within two meters of the fire point; at the same time, the communicator searches for a fire suppression bottle and transmits the found fire suppression bottle to the firefighter or a support nearby, and the support searches for a fire suppression bottle and transmits the found fire suppression bottle to the firefighter; after the fireman obtains the fire extinguishing bottle, extinguishing the fire by using the fire extinguishing bottle;
step S4-2, the supporter finds out and wears a protective breathing mask to reach the fire point within 10 seconds of the fire-fighting start of the fireman, and replaces the fireman with a fire-fighting bottle to extinguish the fire; meanwhile, the communicator reports the current fire condition to the virtual cockpit through the intercom system;
step S4-3, the fireman finds out the fire bottle, water or incombustible drink to support the supporter, the supporter receives the supporter of the fireman to extinguish the fire at the fire point until the fire at the fire point is completely extinguished; at the same time, the communicator calls an NPC attendant to send a fire bottle to the supporter through the intercom system;
and step S4-4, after the fire at the fire point is completely extinguished, the communicator transmits the information that the fire is extinguished to the virtual cockpit through the internal communication system, and the fireman reports the information that the fire is extinguished to the crew department.
3. The VR multi-person collaborative simulated fire extinguishing method of claim 2, wherein: when N is 3, three trainees respectively play the fire extinguishing roles of a fireman, a supporter and a communicator; when N is 2, two of the trainees respectively perform fire extinguishing roles of a fire fighter and a supporter, and one of the trainees also serves as the messenger.
4. The VR multi-person collaborative simulated fire extinguishing method of any of claims 1 to 3, wherein: the trainee can select to enter a training mode through the controller; in the training mode, the local area network server provides operation prompts in the collaborative fire extinguishing process for each student, and the operation prompts can be selectively turned on or off by the students through the controller.
5. The VR multi-person collaborative simulated fire extinguishing method of claim 4, wherein: in the training mode, the specific manner of step S2 is: firstly, the N students agree in advance to select one student to act as a crew leader and the rest students to act as crew leaders, the crew leader selects a required airplane model from a database of the local area network server through a controller to create a corresponding collaboration room, and the rest students enter the collaboration room through the controller; secondly, selecting a VR airplane cabin scene needing to enter from scenes belonging to the airplane models by the crew; then, the local area network server randomly distributes three machine position options to each student; and finally, according to the pre-agreed result, the N students select and determine the respective positions of the machines through the controller.
6. The VR multi-person collaborative simulated fire extinguishing method of any of claims 1 to 3, wherein: the student can select to enter an assessment mode through the controller; and in the evaluation mode, the local area network server scores the operation of each student in the collaborative fire extinguishing process according to a preset evaluation standard.
7. The VR multi-person collaborative simulated fire extinguishing method of claim 6, wherein: in the assessment mode, the specific manner of the step S2 is as follows: the teacher presets the positions of the N students, the airplane models needing to enter and the VR airplane cabin scene through the local area network server, and after login operation is carried out, the virtual characters of the N students enter the VR airplane cabin scene and automatically enter the checking countdown.
8. The VR multi-person collaborative simulated fire extinguishing method of any of claims 1 to 3, wherein: the multi-person cooperative simulated fire extinguishing system further comprises a system server;
in step S1, the manner of the student performing the login operation is: the student sends a login request through the controller by using the identity information of the student, the login request is transferred to the system server through the local area network server for verification, and for the login request which is verified successfully, the system server sends SSO login permission to the VR head display and the controller of the student through the local area network server;
and the local area network server and the system server record the login records of the students and the operation data in the collaborative fire extinguishing process, and establish corresponding training data tables.
9. The VR multi-person collaborative simulated fire extinguishing method of any of claims 1 to 3, wherein: the multi-person cooperative simulated fire suppression system further comprises a display screen; and each visual angle image displayed by the VR head can be synchronously displayed on the display screen.
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