CN107067935A - A kind of fire extinguisher tutoring system and method based on virtual reality - Google Patents
A kind of fire extinguisher tutoring system and method based on virtual reality Download PDFInfo
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- CN107067935A CN107067935A CN201710256574.9A CN201710256574A CN107067935A CN 107067935 A CN107067935 A CN 107067935A CN 201710256574 A CN201710256574 A CN 201710256574A CN 107067935 A CN107067935 A CN 107067935A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
Abstract
The invention discloses a kind of fire extinguisher tutoring system and method based on virtual reality, including intelligent terminal, the motion sensing control device that is connected with intelligent terminal, object can be interacted and can not interact object by being built in intelligent terminal virtual scene；Motion sensing control device obtains the wrist and finger joint position directional information of both hands in monitoring range, and gesture motion information is identified by intelligent terminal, the both hands model action in gesture motion information-driven virtual scene, and then drives fire extinguisher model to be acted；Judge that virtual scene enters spraying state according to the action of fire extinguisher model, in the state of spraying, acted according to fire extinguisher model, there is spray model in the nozzle of control fire extinguisher model, when the number of times that spray model is contacted with flame model exceedes certain value, the flame model in control virtual scene disappears.The present invention is realized in the environment of based on virtual reality, realizes the true reduction of fire extinguisher teaching, has the advantages that cost is low, in the absence of potential safety hazard and avoid environmental pollution.
Description
Technical field
The present invention relates to technical field of virtual reality, more particularly to a kind of fire extinguisher tutoring system based on virtual reality and
Method.
Background technology
The life of people be unable to do without fire, if but fiery improper use or manage bad, will occur fire, it is serious to threaten
The life of people, everyone is likely to become the arch-criminal or victim of fire for we.Fire-fighting one is the prevention of fire, and two be to go out
Fire；In order to which the fire-fighting for improving people is realized, in recent years, many units and enterprise can invite professional to carry out knowledge on fire fighting a surname
Say and carry out fire-fighting fire extinguishing rehearsal or training.All it is often to use regular fire extinguishing at present in fire-fighting fire extinguishing is drilled or is trained
Device carries out operation demonstration, and not only cost is high, and the extinguishing chemical of regular fire extinguisher often easily pollutes environment, in addition start-up
It is difficult to just can skillfully be grasped after first use fire extinguisher with proper use of fire distinguisher, could be complete so usually needing to be used for multiple times
Complete to grasp, which increases the usage amount of fire extinguisher in fire-fighting fire extinguishing rehearsal or training process.These fire-fighting fire extinguishings are drilled or trained
It is true burning things which may cause a fire disaster to instruct use, therefore there is in rehearsal or training process larger potential safety hazard.
In order to solve the above problems, it is thus proposed that dedicated for the simulated fire extinguisher of teaching.As Authorization Notice No. is
A kind of simulation teaching device of fire extinguisher is disclosed in CN102411868B Chinese invention patent, the device is by launch ultrasonic wave
The flame-out fire extinguishing source that arrives instead of the simulated fire extinguisher tank of extinguishing chemical and to receive ultrasonic wave is constituted, is provided with putting out a fire in simulation
Ultrasonic distance measuring module on device tank launches the ultrasonic distance measuring module in ultrasonic wave, simulation fire source by the control of its main control unit
Receive after the ultrasonic wave, the jet length set according to control software and other operations require whether meet the requirements, and control
Whether its air blower stops blowing the red silk of symbol flame, and fire extinguishing is realized to show, and is grasped in good time to operator's voice message
The correctness of work.It can be seen that, foregoing invention patent simulation teaching device of fire extinguisher eliminates fire extinguishing by acousto-optic-electric simulation fire source
Potential safety hazard during gas simulated training, free of contamination fire drill can be carried out under circumstances.Teaching is used in the prior art
Simulated fire extinguisher although solve the problem of potential safety hazard and environmental pollution, but it is real still to pass through each hardware device
It is existing, therefore the phenomenon such as abrasion and damage is there will certainly be in use, however it remains use cost is high and uses limitation
The problem of property is big.
Virtual reality technology be using computer simulation produce a three-dimensional virtual world, for user provide vision,
Simulation on the sense organs such as the sense of hearing, tactile, allows user to produce impression on the spot in person, can observe in real time in virtual world
Food, and interact therewith.At present, the application of virtual reality technology widely, engineering design, flight simulation,
It is used widely in terms of educational training, Entertainment.
The content of the invention
The first object of the present invention is to overcome the shortcoming and deficiency of prior art, and there is provided a kind of going out based on virtual reality
Firearm tutoring system, the system is built by the virtual reality to fire and fire extinguisher, with motion sensing control device to both hands virtual
Mapping in reality, realizes the true reduction of fire extinguisher teaching, has saved experiment equipment, reduced to dangerous and limited equipment
The limitation of operation training, possesses more real naked hand operating effect, with cost it is low, in the absence of potential safety hazard and will not produce
The advantage of raw environmental pollution.
The second object of the present invention is to provide a kind of fire extinguisher teaching method based on virtual reality.
The first object of the present invention is achieved through the following technical solutions：A kind of fire extinguisher teaching system based on virtual reality
System, including intelligent terminal and the motion sensing control device that is connected with intelligent terminal；
The motion sensing control device, the wrist and finger joint position directional information for obtaining both hands in monitoring range, and
Send to intelligent terminal；
Be provided with the intelligent terminal gesture recognition module, virtual scene module, operation module, spraying drive module and
Flame control module；
The gesture recognition module, the wrist and finger joint position direction letter of the both hands sent for receiving body sense controller
Breath, gesture motion information is identified according to the wrist and finger joint position directional information of both hands；
The virtual scene module, for building the object in virtual scene and assigning attribute；The virtual scene module
In the object built include that object can be interacted and object can not be interacted；The object that interacts includes going out for being built in virtual scene
Firearm model, both hands model and spray model；The object that can not interact includes flame model；
The operation module, for carrying out corresponding operating for the object that interacts built in virtual scene, including
For the both hands model action in gesture motion information-driven virtual scene and for according to both hands model action drives
Fire extinguisher model carries out corresponding actions, realizes the simulation of bimanualness fire extinguisher；
The determination module, the corresponding actions for being carried out according to fire extinguisher model judge whether virtual scene will enter spray
Vaporific state；
The spraying drive module, for virtual scene enter spraying state when, the fire extinguishing driven according to operation module
There is spray model, simulated fire extinguisher spray in the action that device model is carried out, driving nozzle of fire extinguisher model in virtual scene
Go out spraying；
The flame control module, exceedes certain for the number of times that spray model is contacted with flame model in virtual scene
During value, the flame model in control virtual scene disappears, simulation fire extinguishing.
It is preferred that, the article that interacts built in the virtual scene also includes selection key model, the selection key
Model includes fire type selection key model and fire extinguisher type selecting button model；The operation module also includes being used for root
The fire type selection key model and fire extinguisher type selecting button that being directed to according to gesture motion information can interact in article are carried out
Corresponding operating, the fire type of present day analog is selected by the operation to fire type selection key model；By to fire extinguisher
The corresponding fire extinguisher type of fire extinguisher model occurred in the operation selection virtual scene module of type selecting button.
Further, the intelligent terminal includes teacher's intelligent terminal and Intelligence of Students terminal, and teacher's intelligence is eventually
End is communicated by network with Intelligence of Students terminal；
The selection key model also include single training mode selection key model, control model selection key model with
And watching mode selection key model；
The operation module also includes being used for according to gesture motion information for that can interact the single training mode in article
Selection key model, Interactive Teaching Mode button model, control model selection key model and watching mode selection key mould
Type carries out corresponding operating, and triggering intelligent terminal by the operation to single training mode selection key model enters single training mould
Formula, triggers intelligent terminal by the operation to control model selection key model and enters control model, selected by watching mode
The operation triggering intelligent terminal of button model enters watching mode.
Further, the intelligent terminal also includes points-scoring system and reminding module；
The points-scoring system, when Intelligence of Students terminal enters control model, and teacher's intelligent terminal enters watching mode, is used
In being scored according to teacher, in virtual scene, fire extinguisher model starts to the time of flame model disappearance and fire class since by operation
The selection of corresponding fire extinguisher model carries out comprehensive grading under type；
The reminding module, for being directed to fire extinguisher mould by way of word, video and/or arrow in virtual scene
The next step operation of type is pointed out, and the gesture motion for carrying out next step in motion sensing control device monitoring range for user is reminded.
It is preferred that, the action of both hands model of the operation module in gesture motion information-driven virtual scene includes
Pick up fire extinguisher action, pull out the action of fire extinguisher safety plug, the action of upset fire extinguisher and the pressure handle action of pressing fire extinguisher；
The action that the operation module is carried out according to the action drives fire extinguisher model of both hands model includes fire extinguisher model
Pick up, the safety plug in fire extinguisher model is pulled up, the pressure handle pressure in the upset of fire extinguisher model and fire extinguisher model；
When the determination module detect fire extinguisher model exist successively fire extinguisher model pick up, the guarantor in fire extinguisher model
Danger pin pull up, fire extinguisher model rotary movement when, then judge virtual scene enter spraying state, spraying drive module according to fire extinguishing
Pressure handle pressure action drives virtual scene module nozzle of fire extinguisher model in virtual scene in device model is sprayed
Model, simulated fire extinguisher sprays spraying.
The second object of the present invention is achieved through the following technical solutions：A kind of fire extinguisher teaching side based on virtual reality
Method, comprises the following steps：
S1, virtual scene is built in intelligent terminal, and build object in virtual scene and assign attribute, wherein taking
The article built includes that object can be interacted and can not interact object；The fire extinguisher mould that object includes building in virtual scene can be interacted
Type, both hands model and spray model；Object, which can not be interacted, includes flame model；The motion sensing control device being connected with intelligent terminal is obtained
The wrist and finger joint position directional information of both hands in monitoring range, and send to intelligent terminal；
S2, intelligent terminal identify that gesture motion is believed according to the wrist and finger joint position directional information of the both hands received
Breath, the then both hands model action in gesture motion information-driven virtual scene, while intelligent terminal is according to both hands model
Action drives fire extinguisher model carries out corresponding actions, realizes the simulation of bimanualness fire extinguisher；
The corresponding actions that S3, intelligent terminal are carried out according to fire extinguisher model judge whether virtual scene will enter spray form
State；When virtual scene enters spraying state, the action carried out according to fire extinguisher model controls fire extinguisher model in virtual scene
Nozzle there is spray model, simulated fire extinguisher sprays spraying；
The number of times that the spray model occurred in S4, detection virtual scene is contacted with flame model, if spray model and flame
The number of times of model contact exceedes certain value, then controls the flame model in virtual scene to disappear, simulation fire extinguishing.
It is preferred that, the action of both hands model includes picking up fire extinguisher action, pulls out the action of fire extinguisher safety plug, turns in step S2
Turn fire extinguisher action and the pressure handle action of pressing fire extinguisher；
The action that intelligent terminal is carried out according to the action drives fire extinguisher model of both hands model in step S2 includes fire extinguisher
Model is picked up, the safety plug in fire extinguisher model is pulled up, the pressure handle pressure in the upset of fire extinguisher model and fire extinguisher model；
Picked up, in fire extinguisher model in step S3 when intelligent terminal determines fire extinguisher model and there is fire extinguisher model successively
Safety plug pull up, fire extinguisher model rotary movement when, then judge virtual scene enter spraying state, intelligent terminal is according to fire extinguishing
There is spray model, simulated fire extinguisher in the nozzle of fire extinguisher model in pressure handle pressure action drives virtual scene in device model
Spray spraying.
Further, the both hands model when intelligent terminal in gesture motion information-driven virtual scene is acted
So that relative distance between the thumb and forefinger of both hands model in motion sensing control device coordinate system be less than first threshold and this two
Relative distance between finger and fire extinguisher pressure handle in motion sensing control device coordinate system is less than Second Threshold, then now both hands model
To pick up the action of fire extinguisher model, when intelligent terminal drives the position angle of fire extinguisher model in virtual scene to followed by both hands mould
The action of type and change；
Cause both hands mould when both hands model progress of the intelligent terminal in gesture motion information-driven virtual scene is acted
The action of one hand of type is picks up the action of fire extinguisher model, in motion sensing control device coordinate system between the thumb and forefinger of another hand
In relative distance be less than between the 3rd threshold value and this two fingers and fire extinguisher model safety plug in motion sensing control device coordinate system
In relative distance be less than between the 4th threshold value, and subsequent two fingers and fire extinguisher model safety plug motion sensing control device sit
It is more than the 4th threshold value after relative distance increase in mark system, then now both hands model is pulls out the action of fire extinguisher safety plug, and intelligence is eventually
Pulled up according to the safety plug pulled out in fire extinguisher safety plug action drives virtual scene in fire extinguisher model of both hands model at end；
Cause both hands mould when both hands model progress of the intelligent terminal in gesture motion information-driven virtual scene is acted
Relative distance between the hand and fire extinguisher model pressure handle of type in motion sensing control device coordinate system is less than the 5th threshold value, another
Relative distance between hand and fire extinguisher model tank bottom in motion sensing control device coordinate system is less than the 6th threshold value, and side between both hands
It is less than the 7th threshold value to the angle in direction between fire extinguisher model handle tank bottom, then now both hands model overturns for fire extinguisher model
Action, intelligent terminal drives fire extinguisher model in virtual scene to be turned over according to the fire extinguisher model rotary movement of both hands model
Turn；
Cause both hands mould when both hands model progress of the intelligent terminal in gesture motion information-driven virtual scene is acted
The action of one hand of type acts to pick up fire extinguisher model, and in motion sensing control device coordinate between the thumb and forefinger of this hand
Relative distance in system is less than the 8th threshold value, then now both hands model is the pressure handle action of pressing fire extinguisher model, intelligent terminal root
According to the pressure handle pressure in fire extinguisher model in the pressing fire extinguisher model pressure handle action drives virtual scene of both hands model.
It is preferred that, the article that interacts built in intelligent terminal virtual scene also includes selection key model, the selection
Button model includes fire type selection key model and fire extinguisher type selecting button model；
Intelligent terminal is directed to fire type selection key model and fire extinguisher type selecting button according to gesture motion information
Corresponding operating is carried out, the fire type of present day analog is selected by the operation to fire type selection key model；By to going out
The corresponding fire extinguisher type of fire extinguisher model occurred in the operation selection virtual scene module of type of firearm selection key；
The fire type includes solid matter fire, liquid and solubilized solid matter fire, gas fire, metal fire
Calamity and charged object and precision instrument fire；
The fire extinguisher type includes foam annihilator, soda-acid extinguisher, carbon dioxide extinguisher and dry powder extinguisher.
Further, intelligent terminal includes teacher's intelligent terminal and Intelligence of Students terminal, and teacher's intelligent terminal passes through net
Network is communicated with Intelligence of Students terminal；
The selection key model also include single training mode selection key model, control model selection key model with
And watching mode selection key model；
Intelligent terminal is directed to single training mode selection key model, Interactive Teaching Mode button according to gesture motion information
Model, control model selection key model and watching mode selection key model carry out corresponding operating, by single training
The operation triggering intelligent terminal of mode selection button model enters single training mode, by control model selection key model
Operation triggering intelligent terminal enter control model, triggering intelligent terminal by the operation of watching mode selection key model enters
Watching mode；
Wherein：
When entering single training mode in Intelligence of Students terminal, Intelligence of Students terminal and teacher's intelligent terminal are each other
Refuse the access of other side；
When Intelligence of Students terminal enters control model, and teacher's intelligent terminal enters watching mode, Intelligence of Students terminal is led to
Cross the motion sensing control device that network connected it and get the wrist and finger joint position directional informations of both hands and send to teacher's intelligence
Can terminal；Teacher's intelligent terminal identifies that gesture motion is believed according to the wrist and finger joint position directional information of the both hands received
Breath, thus control both hands model in teacher's intelligent terminal and Intelligence of Students terminal virtual scene, fire extinguisher model, flame model with
And the synchronization of spray model；Simultaneously when Intelligence of Students terminal enters control model, and teacher's intelligent terminal enters watching mode, intelligence
Can terminal scored according to teacher, in virtual scene fire extinguisher model since being started the time to flame model disappearance, fire by operation
The selection of corresponding fire extinguisher model carries out comprehensive grading under the selection of type and fire type；
When teacher's intelligent terminal enters control model, and Intelligence of Students terminal enters watching mode, teacher's intelligent terminal leads to
Cross the motion sensing control device that network connected it and get the wrist and finger joint position directional informations of both hands and send to student's intelligence
Can terminal；Intelligence of Students terminal identifies that gesture motion is believed according to the wrist and finger joint position directional information of the both hands received
Breath, thus control both hands model in Intelligence of Students terminal and teacher's intelligent terminal virtual scene, fire extinguisher model, flame model with
And the synchronization of spray model.
The present invention has the following advantages and effect relative to prior art：
(1) fire extinguisher tutoring system of the present invention includes intelligent terminal and the motion sensing control device being connected with intelligent terminal,
Virtual scene is built in intelligent terminal, building fire extinguisher model, both hands model and spray model etc. by virtual scene can interact
Object and flame model etc. can not interact object；The motion sensing control device of intelligent terminal connection obtains the hand of both hands in monitoring range
Wrist finger-joint locality information, and send to intelligent terminal, gesture motion information, Ran Hougen are identified by intelligent terminal
According to the both hands model action in gesture motion information-driven virtual scene, while according to both hands model action drives fire extinguisher model
Corresponding actions are carried out, the simulation of bimanualness fire extinguisher is realized；In simulation process, intelligent terminal is carried out according to fire extinguisher model
Corresponding actions judge virtual scene whether will enter spraying state, virtual scene enter spraying state when, according to fire extinguisher
There is spray model in the nozzle of fire extinguisher model in the action that model is carried out, control virtual scene, and simulated fire extinguisher sprays spray
Mist, then detects the number of times that is contacted with flame model of spray model, and the number of times contacted with flame model when spray model is more than one
During definite value, the flame model in control virtual scene disappears, simulation fire extinguishing.Fire extinguisher tutoring system of the present invention is based on virtual existing
Realize, built by the virtual reality to fire and fire extinguisher, with motion sensing control device to both hands in virtual reality under real environment
In mapping, realize fire extinguisher teaching true reduction, saved experiment equipment, reduced to dangerous and limited equipment operation
The limitation of training, possesses more real naked hand operating effect, while can allow user is repeated multiple times to carry out fire extinguisher true to nature
Use and operate, the fire extinguisher for improving the masses uses ability, with cost it is low, in the absence of potential safety hazard and will not generation environment
The advantage of pollution.
(2) intelligent terminal can be provided with Intelligence of Students terminal and teacher's intelligence eventually in fire extinguisher tutoring system of the present invention
End, teacher's intelligent terminal is communicated by network with Intelligence of Students terminal；Intelligent terminal can select different teaching or instruction
Practice pattern；When Intelligence of Students terminal is in control model, teacher's intelligent terminal is in watching mode, and Intelligence of Students terminal passes through network
The wrist and finger joint position directional information that the motion sensing control device that it is connected gets both hands is sent to teacher's intelligent terminal,
Control teacher's intelligent terminal synchronous with Intelligence of Students terminal virtual scene；Allow the teacher to observe by teacher's intelligent terminal
Student operates to fire extinguisher, to be criticized.When teacher's intelligent terminal enters control model, Intelligence of Students terminal enters viewing mould
During formula, the motion sensing control device that teacher's intelligent terminal is connected it by network gets the wrist and finger joint position side of both hands
Sent to information to Intelligence of Students terminal, control Intelligence of Students terminal is synchronous with teacher's intelligent terminal virtual scene so that learn
It is raw teacher to be learnt in the fire extinguisher operation of teacher's intelligent terminal by Intelligence of Students terminal.
(3) points-scoring system is additionally provided with fire extinguisher tutoring system of the present invention, when Intelligence of Students terminal enters control model,
When teacher's intelligent terminal enters watching mode, points-scoring system can score according to teacher, in virtual scene fire extinguisher model from quilt
The selection that operation starts corresponding fire extinguisher model under the time disappeared to flame model and fire type carries out comprehensive grading, energy
Enough so that student knows fire extinguisher operational circumstances, to be corrected, the efficiency of teaching of fire extinguisher tutoring system is improved.
(4) be additionally provided with reminding module in fire extinguisher tutoring system of the present invention, in virtual scene by word, regard
The mode of frequency and/or arrow is pointed out for the next step operation of fire extinguisher model, and model is monitored in motion sensing control device for user
The gesture motion for enclosing interior progress next step is reminded, and serves more preferable teaching function.
Brief description of the drawings
Fig. 1 is fire extinguisher tutoring system structured flowchart of the present invention.
Fig. 2 a and 2b are fire extinguisher illustratons of model in fire extinguisher tutoring system of the present invention.
Fig. 3 is virtual scene figure in fire extinguisher tutoring system intelligent terminal of the present invention.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.
Embodiment
Present embodiment discloses a kind of fire extinguisher tutoring system based on virtual reality, as shown in figure 1, including intelligent terminal
And the motion sensing control device being connected with intelligent terminal；
Motion sensing control device, for obtaining the wrist and finger joint position directional information of both hands in monitoring range, and sends
To intelligent terminal；Used motion sensing control device is leap motion motion sensing control devices in the present embodiment.
Gesture recognition module, virtual scene module, operation module, spraying drive module and flame are provided with intelligent terminal
Control module；Intelligent terminal is computer in the present embodiment.
Gesture recognition module, the wrist and finger joint position directional information of the both hands sent for receiving body sense controller,
Gesture motion information is identified according to the wrist and finger joint position directional information of both hands.
Virtual scene module, for building the object in virtual scene and assigning attribute；Taken in the virtual scene module
The object built includes that object can be interacted and can not interact object；Object can be interacted in the present embodiment includes what is built in virtual scene
Fire extinguisher model, both hands model, spray model and selection key model, wherein selection key model include fire type selection and pressed
Key model, fire extinguisher type selecting button model, single training mode selection key model, control model selection key model with
And watching mode selection key model；Object, which can not be interacted, includes flame model and object model of catching fire；It is empty in the present embodiment
Intend building jointly by Unity 3D game engines and 3D Max 3 d modeling softwares in scene module and render in virtual scene
Object.The fire extinguisher model built in the present embodiment in virtual scene is as shown in figures 2 a and 2b.
Operation module, for for built in virtual scene interact object carry out corresponding operating, including for
Both hands model in gesture motion information-driven virtual scene is acted and for being put out a fire according to both hands model action drives
Device model carries out corresponding actions, realizes the simulation of bimanualness fire extinguisher；Wherein the action of both hands model includes picking up fire extinguisher
Act, pull out the action of fire extinguisher safety plug, the action of upset fire extinguisher and the pressure handle action of pressing fire extinguisher；What fire extinguisher model was carried out
Action includes that fire extinguisher model is picked up, the safety plug in fire extinguisher model is pulled up, fire extinguisher model is overturn and fire extinguisher model
In pressure handle pressure.
Operation module also includes being used for according to gesture motion information for that can interact the fire class in article in the present embodiment
Type selection key model, fire extinguisher type selecting button, single training mode selection key model, control model selection key mould
Type and watching mode selection key model carry out corresponding operating, select current by the operation to fire type selection key model
The fire type of simulation；Pass through the fire extinguisher mould occurred in the operation selection virtual scene module to fire extinguisher type selecting button
The corresponding fire extinguisher type of type；Intelligent terminal is triggered by the operation to single training mode selection key model and enters single instruction
Practice pattern；Intelligent terminal is triggered by the operation to control model selection key model and enters control model；Pass through watching mode
The operation triggering intelligent terminal of selection key model enters watching mode.When gesture motion information is in a timing in the present embodiment
It is interior to press fire type selection key model, fire extinguisher type selecting button, single training mode selection key model, control
Mode selection button model or watching mode selection key model twice when, i.e., a finger is within a certain period of time in both hands model
When pressing above-mentioned button model twice, triggering intelligent terminal is operated accordingly.
Determination module, the corresponding actions for being carried out according to fire extinguisher model judge whether virtual scene will enter spray form
State；Picked up, in fire extinguisher model when determination module detects fire extinguisher model and there is fire extinguisher model successively in the present embodiment
Safety plug pull up, fire extinguisher model rotary movement when, then judge virtual scene enter spraying state.
Spray drive module, for virtual scene enter spraying state when, the fire extinguisher mould driven according to operation module
There is spray model in the action that type is carried out, driving nozzle of fire extinguisher model in virtual scene, and simulated fire extinguisher sprays spray
Mist；In the present embodiment, pressure handle of the spraying drive module in fire extinguisher model depresses action drives virtual scene module in void
There is spray model in the nozzle for intending fire extinguisher model in scene, and simulated fire extinguisher sprays spraying.
Flame control module, exceedes certain value for the number of times that spray model is contacted with flame model in virtual scene
When, control the flame model in virtual scene to disappear, simulation fire extinguishing.In the present embodiment, when appearance spraying mould in virtual scene
When the number of times that type is contacted with flame model is more than 3 times, the flame model in control virtual scene disappears.
Intelligent terminal includes teacher's intelligent terminal and Intelligence of Students terminal in the present embodiment；Teacher's intelligent terminal and student's intelligence
It can be communicatively coupled between terminal by network, use ICP/IP protocol, realize that multi-user carries out on-line operation fire extinguishing
Device interactive teaching.
In the present embodiment points-scoring system and reminding module are additionally provided with intelligent terminal：
Points-scoring system, when Intelligence of Students terminal enters control model, and teacher's intelligent terminal enters watching mode, scoring system
System can score according to teacher, in virtual scene fire extinguisher model since being started the time to flame model disappearance, fire by operation
The selection of corresponding fire extinguisher model carries out comprehensive grading under the selection of type and fire type, including is to fire type selection
Under no correct, fire type corresponding fire extinguisher model choose whether correctly judged.
Reminding module, for being directed to fire extinguisher model by way of word, video and/or arrow in virtual scene
Next step operation is pointed out, and the gesture motion for carrying out next step in motion sensing control device monitoring range for user is reminded.For example
In the present embodiment, single stepping then has an arrow to point to the peace of fire extinguisher model to extract during safety cock instantly in virtual scene
Full bolt simultaneously shows word " extraction safety cock ", while playing the video for extracting safety cock process in virtual scene；Work as next step
When operating as upset fire extinguisher, then there is an arrow to point to the can body of fire extinguisher model and show that word " hold by both hands in virtual scene
Tight fire extinguisher pressure handle and tank bottom, spin upside down and roll ", while upset is played in virtual scene rocks fire extinguisher process
Video；Instantly when single stepping is that shower nozzle is directed at flame kernel, then an arrow points to flame model center in virtual scene
And word " lift fire extinguisher and use nozzle alignment flame kernel " is shown, it is used in combination while playing mobile fire extinguisher in virtual scene
The video of nozzle alignment flame kernel process；When next step is that fire extinguisher pressure handle is depressed, then there is an arrow in virtual scene
The pressure handle of fire extinguisher model is pointed to, and shows word " pressure pressure handle sprays spraying ", while playing pressure in virtual scene
Lower pressure handle fire extinguisher sprays the video of spray process.In fire extinguisher model spray process, display " keeps pressure in virtual scene
Pressure handle to spraying makes fray-out of flame ".
The figure occurred in intelligent terminal virtual scene is illustrated in figure 3,
The present embodiment also discloses a kind of fire extinguisher teaching method based on virtual reality, comprises the following steps：
S1, virtual scene is built in intelligent terminal, and build object in virtual scene and assign attribute, wherein taking
The article built includes that object can be interacted and can not interact object, wherein the fire extinguisher that object includes building in virtual scene can be interacted
Model, both hands model, spray model and selection key model；Object, which can not be interacted, includes flame model；It is connected with intelligent terminal
Motion sensing control device obtain the wrist and finger joint position directional information of both hands in monitoring range, and send to intelligent terminal；
S2, intelligent terminal identify that gesture motion is believed according to the wrist and finger joint position directional information of the both hands received
Breath, the then both hands model action in gesture motion information-driven virtual scene, while intelligent terminal is according to both hands model
Action drives fire extinguisher model carries out corresponding actions, realizes the simulation of bimanualness fire extinguisher；The wherein action bag of both hands model
Include and pick up fire extinguisher action, pull out the action of fire extinguisher safety plug, the action of upset fire extinguisher and the pressure handle action of pressing fire extinguisher, fire extinguishing
The action that device model is carried out includes that fire extinguisher model is picked up, the safety plug in fire extinguisher model is pulled up, fire extinguisher model overturn with
And the pressure handle pressure in fire extinguisher model；
The corresponding actions that S3, intelligent terminal are carried out according to fire extinguisher model judge whether virtual scene will enter spray form
State, is picked up, in fire extinguisher model when intelligent terminal determines fire extinguisher model and there is fire extinguisher model successively in the present embodiment
Safety plug pull up, fire extinguisher model rotary movement when, then judge virtual scene enter spraying state；Enter in virtual scene and spray
During vaporific state, the action carried out according to fire extinguisher model controls the nozzle of fire extinguisher model in virtual scene spraying mould occur
Type, simulated fire extinguisher sprays spraying；
The number of times that the spray model occurred in S4, detection virtual scene is contacted with flame model, if spray model and flame
The number of times of model contact exceedes certain value, then controls the flame model in virtual scene to disappear, simulation fire extinguishing.If in the present embodiment
The number of times that spray model is contacted with flame model controls the flame model in virtual scene to disappear more than 3 times, then.
In the present embodiment above-mentioned steps S2,
Cause both hands mould when both hands model progress of the intelligent terminal in gesture motion information-driven virtual scene is acted
Relative distance between the thumb and forefinger of type in motion sensing control device coordinate system is less than first threshold and this two finger and fire extinguishing
Relative distance between device pressure handle in motion sensing control device coordinate system is less than Second Threshold, then now both hands model is to pick up fire extinguishing
Device model act, when intelligent terminal drive virtual scene in fire extinguisher model position angle followed by both hands model action and
Change；
Cause both hands mould when both hands model progress of the intelligent terminal in gesture motion information-driven virtual scene is acted
The action of one hand of type is picks up the action of fire extinguisher model, in motion sensing control device coordinate system between the thumb and forefinger of another hand
In relative distance be less than between the 3rd threshold value and this two fingers and fire extinguisher model safety plug in motion sensing control device coordinate system
In relative distance be less than between the 4th threshold value, and subsequent two fingers and fire extinguisher model safety plug motion sensing control device sit
It is more than the 4th threshold value after relative distance increase in mark system, then now both hands model is pulls out the action of fire extinguisher safety plug, and intelligence is eventually
Pulled up according to the safety plug pulled out in fire extinguisher safety plug action drives virtual scene in fire extinguisher model of both hands model at end；
Cause both hands mould when both hands model progress of the intelligent terminal in gesture motion information-driven virtual scene is acted
Relative distance between the hand and fire extinguisher model pressure handle of type in motion sensing control device coordinate system is less than the 5th threshold value, another
Relative distance between hand and fire extinguisher model tank bottom in motion sensing control device coordinate system is less than the 6th threshold value, and side between both hands
It is less than the 7th threshold value to the angle in direction between fire extinguisher model handle tank bottom, then now both hands model overturns for fire extinguisher model
Action, intelligent terminal drives fire extinguisher model in virtual scene to be turned over according to the fire extinguisher model rotary movement of both hands model
Turn；
Cause both hands mould when both hands model progress of the intelligent terminal in gesture motion information-driven virtual scene is acted
The action of one hand of type acts to pick up fire extinguisher model, and in motion sensing control device coordinate between the thumb and forefinger of this hand
Relative distance in system is less than the 8th threshold value, then now both hands model is the pressure handle action of pressing fire extinguisher model, intelligent terminal root
According to the pressure handle pressure in fire extinguisher model in the pressing fire extinguisher model pressure handle action drives virtual scene of both hands model.
First threshold is 0.7 in the present embodiment, and Second Threshold is 1, and the 3rd threshold value is 0.8, and the 4th threshold value is the 1.2, the 5th
Threshold value is 0.9, and the 6th threshold value is 0.9, and the 7th threshold value is 30, and the 8th threshold value is 0.2.
In the present embodiment in step S1, the selection key model built in intelligent terminal virtual scene is selected including fire type
Select button model, fire extinguisher type selecting button model, single training mode selection key model, control model selection key mould
Type and watching mode selection key model；Intelligent terminal is according to gesture motion information for that can interact the fire type in article
Selection key model, fire extinguisher type selecting button, single training mode selection key model, control model selection key model
Corresponding operating is carried out with watching mode selection key model, virtual field is selected by the operation to fire type selection key model
The fire type of scape present day analog；Pass through going out for occurring in the operation selection virtual scene module to fire extinguisher type selecting button
The corresponding fire extinguisher type of firearm model；Intelligent terminal is triggered by the operation to single training mode selection key model to enter
Single training mode；Intelligent terminal is triggered by the operation to control model selection key model and enters control model；By seeing
See that the operation triggering intelligent terminal of mode selection button model enters watching mode.
Wherein fire type includes solid matter fire, liquid and solubilized solid matter fire, gas fire, metal fire
Calamity and charged object and precision instrument fire；Fire extinguisher type includes foam annihilator, soda-acid extinguisher, carbon-dioxide fire engine
Device and dry powder extinguisher.
Intelligent terminal includes teacher's intelligent terminal and Intelligence of Students terminal in the present embodiment, and teacher's intelligent terminal passes through network
Communicated with Intelligence of Students terminal；
Wherein：
When entering single training mode in Intelligence of Students terminal, Intelligence of Students terminal and teacher's intelligent terminal are each other
Refuse the access of other side；
When Intelligence of Students terminal enters control model, and teacher's intelligent terminal enters watching mode, Intelligence of Students terminal is led to
Cross the motion sensing control device that network connected it and get the wrist and finger joint position directional informations of both hands and send to teacher's intelligence
Can terminal；Teacher's intelligent terminal identifies that gesture motion is believed according to the wrist and finger joint position directional information of the both hands received
Breath, thus control both hands model in teacher's intelligent terminal and Intelligence of Students terminal virtual scene, fire extinguisher model, flame model with
And the synchronization of spray model；
When teacher's intelligent terminal enters control model, and Intelligence of Students terminal enters watching mode, teacher's intelligent terminal leads to
Cross the motion sensing control device that network connected it and get the wrist and finger joint position directional informations of both hands and send to student's intelligence
Can terminal；Intelligence of Students terminal identifies that gesture motion is believed according to the wrist and finger joint position directional information of the both hands received
Breath, thus control both hands model in Intelligence of Students terminal and teacher's intelligent terminal virtual scene, fire extinguisher model, flame model with
And the synchronization of spray model.
Also include scoring step and prompting step in the present embodiment, be specially：
Score step：When Intelligence of Students terminal enters control model, and teacher's intelligent terminal enters watching mode, intelligence is total
Can be scored according to teacher, in virtual scene fire extinguisher model since being started the time to flame model disappearance, fire by operation
The selection of corresponding fire extinguisher model carries out comprehensive grading under the selection of type and fire type, including is to fire type selection
Under no correct, fire type corresponding fire extinguisher model choose whether correctly judged.
Step is pointed out, intelligent terminal is directed to fire extinguisher mould in virtual scene by way of word, video and/or arrow
The next step operation of type is pointed out, and the gesture motion for carrying out next step in motion sensing control device monitoring range for user is reminded.
For example in the present embodiment, single stepping then has an arrow to point to fire extinguisher model to extract during safety cock instantly in virtual scene
Safety cock and show word " extraction safety cock ", while in virtual scene play extract safety cock process video；Instantly
When single stepping is upset fire extinguisher, then there is an arrow to point to the can body of fire extinguisher model and show that word is " double in virtual scene
Tight fire extinguisher pressure handle and tank bottom are held, spins upside down and rolls ", while upset is played in virtual scene rocks fire extinguisher
The video of process；Instantly when single stepping is that shower nozzle is directed at flame kernel, then an arrow points to flame model in virtual scene
Center simultaneously shows word " lift fire extinguisher and use nozzle alignment flame kernel ", while playing mobile fire extinguisher in virtual scene
And with the video of nozzle alignment flame kernel process；When next step is that fire extinguisher pressure handle is depressed, then have one in virtual scene
Arrow points to the pressure handle of fire extinguisher model, and shows word " pressure pressure handle sprays spraying ", while being broadcast in virtual scene
Bleed off pressure the video that lower pressure handle fire extinguisher sprays spray process.In fire extinguisher model spray process, display " is kept in virtual scene
Pressure pressure handle to spraying makes fray-out of flame ".
For the fire extinguisher tutoring system disclosed above based on virtual reality in the present embodiment, operator is in intelligent terminal
Operation operational process it is as follows：
Step 1, in motion sensing control device monitoring range do corresponding gesture motion so that both hands mould in Intelligence of Students terminal
Type finger is to single training mode selection key model, control model selection key model and watching mode selection key model
Button carries out touching operation so that Intelligence of Students terminal enters single training mode, control model or watching mode；
Step 2, in motion sensing control device monitoring range do corresponding gesture motion so that both hands mould in Intelligence of Students terminal
The fire type that type finger is carried out to fire type selection key model in touching operation, selection intelligent terminal virtual scene is carried out
Selection；Student does corresponding gesture motion in motion sensing control device monitoring range so that both hands model hand in Intelligence of Students terminal
Refer to and touching operation is carried out to fire extinguisher type selecting button model, the fire extinguisher type in selection intelligent terminal virtual scene is carried out
Selection；
Step 3, according in intelligent terminal virtual scene point out, taken turns doing in motion sensing control device monitoring range and pick up fire extinguishing
Device, the gesture for pulling out fire extinguisher safety plug, upset fire extinguisher and pressing fire extinguisher pressure handle；So that the fire extinguisher mould in virtual scene
Type carries out that fire extinguisher model is picked up, the safety plug in fire extinguisher model is pulled up respectively, the upset of fire extinguisher model and fire extinguisher mould
Pressure handle pressure action in type.
When intelligent terminal enters single training mode, then operator performs fire extinguisher operation training by above-mentioned steps.
When Intelligence of Students terminal is control model, and teacher's intelligent terminal is watching mode, student is whole by Intelligence of Students
The training of fire extinguisher operation is held and carries out as procedure described above, it is whole that teacher can watch Intelligence of Students by teacher's intelligent terminal
The fire extinguisher operating process at end, and scoring is made in teacher's intelligent terminal, now intelligent terminal is intelligent in teacher according to teacher
Since terminal make fire extinguisher model in scoring, virtual scene started by operation to time of flame model disappearance, fire type
The selection of corresponding fire extinguisher model carries out comprehensive grading under selection and fire type, realizes the evaluation of fire extinguisher operation.
When teacher's intelligent terminal is control model, and Intelligence of Students terminal is watching mode, teacher is whole by Intelligence of Students
The operation of fire extinguisher is held and carries out as procedure described above, student can watch teacher's intelligent terminal by Intelligence of Students terminal
Fire extinguisher operating process, realizes the function of fire extinguisher operation study.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention
Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. a kind of fire extinguisher tutoring system based on virtual reality, it is characterised in that including intelligent terminal and and intelligent terminal
The motion sensing control device of connection；
The motion sensing control device, for obtaining the wrist and finger joint position directional information of both hands in monitoring range, and sends
To intelligent terminal；
Gesture recognition module, virtual scene module, operation module, spraying drive module and flame are provided with the intelligent terminal
Control module；
The gesture recognition module, the wrist and finger joint position directional information of the both hands sent for receiving body sense controller,
Gesture motion information is identified according to the wrist and finger joint position directional information of both hands；
The virtual scene module, for building the object in virtual scene and assigning attribute；Taken in the virtual scene module
The object built includes that object can be interacted and can not interact object；It is described to interact the fire extinguisher that object includes building in virtual scene
Model, both hands model and spray model；The object that can not interact includes flame model；
The operation module, for for built in virtual scene interact object carry out corresponding operating, including for
Both hands model in gesture motion information-driven virtual scene is acted and for being put out a fire according to both hands model action drives
Device model carries out corresponding actions, realizes the simulation of bimanualness fire extinguisher；
The determination module, the corresponding actions for being carried out according to fire extinguisher model judge whether virtual scene will enter spray form
State；
The spraying drive module, for virtual scene enter spraying state when, the fire extinguisher mould driven according to operation module
There is spray model in the action that type is carried out, driving nozzle of fire extinguisher model in virtual scene, and simulated fire extinguisher sprays spray
Mist；
The flame control module, exceedes certain value for the number of times that spray model is contacted with flame model in virtual scene
When, control the flame model in virtual scene to disappear, simulation fire extinguishing.
2. the fire extinguisher tutoring system according to claim 1 based on virtual reality, it is characterised in that the virtual scene
In build interact article also include selection key model, the selection key model include fire type selection key model
With fire extinguisher type selecting button model；The operation module also includes being used for according to gesture motion information for that can interact article
In fire type selection key model and fire extinguisher type selecting button carry out corresponding operating, by fire type selection press
The fire type of the operation selection present day analog of key model；Virtual scene is selected by the operation to fire extinguisher type selecting button
The corresponding fire extinguisher type of fire extinguisher model occurred in module.
3. the fire extinguisher tutoring system according to claim 2 based on virtual reality, it is characterised in that the intelligent terminal
Including teacher's intelligent terminal and Intelligence of Students terminal, teacher's intelligent terminal is led to by network and Intelligence of Students terminal
Letter；
The selection key model also includes single training mode selection key model, control model selection key model and sight
See mode selection button model；
The operation module also includes being used for being directed to the single training mode selection that can be interacted in article according to gesture motion information
Button model, Interactive Teaching Mode button model, control model selection key model and watching mode selection key model enter
Row corresponding operating, triggers intelligent terminal by the operation to single training mode selection key model and enters single training mode,
Intelligent terminal is triggered by the operation to control model selection key model and enters control model, passes through watching mode selection key
The operation triggering intelligent terminal of model enters watching mode.
4. the fire extinguisher tutoring system according to claim 3 based on virtual reality, it is characterised in that the intelligent terminal
Also include points-scoring system and reminding module；
The points-scoring system, when Intelligence of Students terminal enters control model, and teacher's intelligent terminal enters watching mode, for root
Scored according to teacher, in virtual scene fire extinguisher model since being started by operation to the time of flame model disappearance and fire type
The selection of corresponding fire extinguisher model carries out comprehensive grading；
The reminding module, for being directed to fire extinguisher model by way of word, video and/or arrow in virtual scene
Next step operation is pointed out, and the gesture motion for carrying out next step in motion sensing control device monitoring range for user is reminded.
5. the fire extinguisher tutoring system according to claim 1 based on virtual reality, it is characterised in that the operation module
The action of both hands model in gesture motion information-driven virtual scene includes picking up fire extinguisher action, pulls out fire extinguisher insurance
Pin action, the action of upset fire extinguisher and the pressure handle action of pressing fire extinguisher；
The action that the operation module is carried out according to the action drives fire extinguisher model of both hands model picks up including fire extinguisher model,
Safety plug in fire extinguisher model is pulled up, fire extinguisher model upset and fire extinguisher model in pressure handle pressure；
When the determination module detect fire extinguisher model exist successively fire extinguisher model pick up, the safety plug in fire extinguisher model
Pull up, fire extinguisher model rotary movement when, then judge virtual scene enter spraying state, spraying drive module according to fire extinguisher mould
There is spray model in pressure handle pressure action drives virtual scene module nozzle of fire extinguisher model in virtual scene in type,
Simulated fire extinguisher sprays spraying.
6. a kind of fire extinguisher teaching method based on virtual reality, it is characterised in that comprise the following steps：
S1, virtual scene is built in intelligent terminal, and build in virtual scene object and assign attribute, wherein build
Article includes that object can be interacted and can not interact object；Object, which can be interacted, includes the fire extinguisher model, double built in virtual scene
Hand model and spray model；Object, which can not be interacted, includes flame model；The motion sensing control device being connected with intelligent terminal obtains monitoring
In the range of both hands wrist and finger joint position directional information, and send to intelligent terminal；
S2, intelligent terminal identify gesture motion information according to the wrist and finger joint position directional information of the both hands received,
Then the both hands model action in gesture motion information-driven virtual scene, while intelligent terminal is acted according to both hands model
Drive fire extinguisher model to carry out corresponding actions, realize the simulation of bimanualness fire extinguisher；
The corresponding actions that S3, intelligent terminal are carried out according to fire extinguisher model judge whether virtual scene will enter spraying state；
When virtual scene enters spraying state, the action carried out according to fire extinguisher model controls the spray of fire extinguisher model in virtual scene
Occurs spray model at mouthful, simulated fire extinguisher sprays spraying；
The number of times that the spray model occurred in S4, detection virtual scene is contacted with flame model, if spray model and flame model
The number of times of contact exceedes certain value, then controls the flame model in virtual scene to disappear, simulation fire extinguishing.
7. the fire extinguisher teaching method according to claim 6 based on virtual reality, it is characterised in that both hands in step S2
The action of model includes picking up fire extinguisher action, pulls out the action of fire extinguisher safety plug, the action of upset fire extinguisher and pressing fire extinguisher
Pressure handle is acted；
The action that intelligent terminal is carried out according to the action drives fire extinguisher model of both hands model in step S2 includes fire extinguisher model
Pick up, the safety plug in fire extinguisher model is pulled up, the pressure handle pressure in the upset of fire extinguisher model and fire extinguisher model；
In step S3 when intelligent terminal determine fire extinguisher model exist successively fire extinguisher model pick up, the guarantor in fire extinguisher model
Danger pin pull up, fire extinguisher model rotary movement when, then judge virtual scene enter spraying state, intelligent terminal is according to fire extinguisher mould
There is spray model in the nozzle of fire extinguisher model in pressure handle pressure action drives virtual scene in type, and simulated fire extinguisher sprays
Spraying.
8. the fire extinguisher teaching method according to claim 7 based on virtual reality, it is characterised in that when intelligent terminal root
According in gesture motion information-driven virtual scene the progress of both hands model act cause both hands model thumb and forefinger between
Relative distance in motion sensing control device coordinate system is less than between first threshold and this two finger and fire extinguisher pressure handle in motion sensing control
Relative distance in device coordinate system is less than Second Threshold, then now both hands model is picks up the action of fire extinguisher model, when intelligent end
The position angle of fire extinguisher model followed by the action of both hands model and change in end driving virtual scene；
Cause both hands model when both hands model progress of the intelligent terminal in gesture motion information-driven virtual scene is acted
The action of one hand is picks up the action of fire extinguisher model, between the thumb and forefinger of another hand in motion sensing control device coordinate system
Relative distance is less than between the 3rd threshold value and this two fingers and fire extinguisher model safety plug in motion sensing control device coordinate system
Relative distance is less than between the 4th threshold value, and subsequent two fingers and fire extinguisher model safety plug in motion sensing control device coordinate system
In relative distance increase after be more than the 4th threshold value, then now both hands model for pull out fire extinguisher safety plug action, intelligent terminal root
Pulled up according to the safety plug pulled out in fire extinguisher safety plug action drives virtual scene in fire extinguisher model of both hands model；
Cause both hands model when both hands model progress of the intelligent terminal in gesture motion information-driven virtual scene is acted
Relative distance between one hand and fire extinguisher model pressure handle in motion sensing control device coordinate system is less than the 5th threshold value, another hand
Relative distance between fire extinguisher model tank bottom in motion sensing control device coordinate system is less than the 6th threshold value, and between both hands direction with
The angle in direction is less than the 7th threshold value between fire extinguisher model handle tank bottom, then now both hands model is that the upset of fire extinguisher model is dynamic
Make, intelligent terminal drives fire extinguisher model in virtual scene to be overturn according to the fire extinguisher model rotary movement of both hands model；
Cause both hands model when both hands model progress of the intelligent terminal in gesture motion information-driven virtual scene is acted
The action of one hand acts to pick up fire extinguisher model, and between the thumb and forefinger of this hand in motion sensing control device coordinate system
Relative distance be less than the 8th threshold value, then now both hands model is pressing fire extinguisher model pressure handle action, intelligent terminal according to pair
Pressure handle pressure in the pressing fire extinguisher model pressure handle action drives virtual scene of hand model in fire extinguisher model.
9. the fire extinguisher teaching method according to claim 6 based on virtual reality, it is characterised in that intelligent terminal is virtual
The article that interacts built in scene also includes selection key model, and the selection key model includes fire type selection key
Model and fire extinguisher type selecting button model；
Intelligent terminal is carried out according to gesture motion information for fire type selection key model and fire extinguisher type selecting button
Corresponding operating, the fire type of present day analog is selected by the operation to fire type selection key model；By to fire extinguisher
The corresponding fire extinguisher type of fire extinguisher model occurred in the operation selection virtual scene module of type selecting button；
The fire type include solid matter fire, liquid and solubilized solid matter fire, gas fire, metallic fires with
And charged object and precision instrument fire；
The fire extinguisher type includes foam annihilator, soda-acid extinguisher, carbon dioxide extinguisher and dry powder extinguisher.
10. the fire extinguisher teaching method according to claim 9 based on virtual reality, it is characterised in that intelligent terminal bag
Teacher's intelligent terminal and Intelligence of Students terminal are included, teacher's intelligent terminal is communicated by network with Intelligence of Students terminal；
The selection key model also includes single training mode selection key model, control model selection key model and sight
See mode selection button model；
Intelligent terminal is directed to single training mode selection key model, Interactive Teaching Mode button mould according to gesture motion information
Type, control model selection key model and watching mode selection key model carry out corresponding operating, by single training mould
The operation triggering intelligent terminal of formula selection key model enters single training mode, by control model selection key model
Operation triggering intelligent terminal enters control model, and triggering intelligent terminal by the operation of watching mode selection key model enters sight
See pattern；
Wherein：
When entering single training mode in Intelligence of Students terminal, Intelligence of Students terminal and teacher's intelligent terminal are refused each other
The access of other side；
When Intelligence of Students terminal enters control model, and teacher's intelligent terminal enters watching mode, Intelligence of Students terminal passes through net
The wrist and finger joint position directional information that the motion sensing control device that network is connected it gets both hands is sent to teacher's intelligence eventually
End；Teacher's intelligent terminal identifies gesture motion information according to the wrist and finger joint position directional information of the both hands received,
So as to control both hands model in teacher's intelligent terminal and Intelligence of Students terminal virtual scene, fire extinguisher model, flame model and
The synchronization of spray model；Simultaneously when Intelligence of Students terminal enters control model, and teacher's intelligent terminal enters watching mode, intelligence
Terminal scores according to teacher, in virtual scene fire extinguisher model since being started the time to flame model disappearance, fire class by operation
The selection of corresponding fire extinguisher model carries out comprehensive grading under the selection of type and fire type；
When teacher's intelligent terminal enters control model, and Intelligence of Students terminal enters watching mode, teacher's intelligent terminal passes through net
The wrist and finger joint position directional information that the motion sensing control device that network is connected it gets both hands sends whole to Intelligence of Students
End；Intelligence of Students terminal identifies gesture motion information according to the wrist and finger joint position directional information of the both hands received,
So as to control both hands model in Intelligence of Students terminal and teacher's intelligent terminal virtual scene, fire extinguisher model, flame model and
The synchronization of spray model.
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