CN109767668B - Unity 3D-based virtual fire-fighting training device - Google Patents
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Abstract
The invention provides a Unity 3D-based virtual fire-fighting training device which comprises a simulated fire extinguisher, a screen, a monitoring camera, a projector, VR equipment, an operating handle and a monitoring terminal, wherein fire-fighting practical training software is installed on the monitoring terminal and comprises a fire-fighting teaching unit, a fire-fighting virtual exercise unit and a fire hazard troubleshooting unit. The invention provides a Unity 3D-based virtual fire-fighting training device, which solves the problem that the existing virtual fire-fighting system cannot effectively distinguish the type of a fire extinguisher used by a tester, can judge whether the tester masters the correct fire-fighting mode, is beneficial to greatly improving the mastery degree of the tester on fire extinguishment of the fire extinguisher, and can effectively avoid the danger in practical fire-fighting training.
Description
Technical Field
The invention belongs to the field of fire-fighting training, and particularly relates to a Unity 3D-based virtual fire-fighting training device.
Background
At present, fire extinguishing training in China mainly adopts a mode of combining theory with actual demonstration/operation, and a traditional two-dimensional virtual fire extinguishing training system only provides common animation display and does not have good immersion sense; at present, some virtual fire extinguishing training systems exist, but the system has high requirements on environment, insufficient reality and single content, can not effectively distinguish the type of a fire extinguisher used by a tester, and can not judge whether the tester masters the correct fire extinguishing mode.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a Unity 3D-based virtual fire-fighting training device.
In order to achieve the purpose, the invention adopts the technical scheme that: a virtual fire-fighting training device based on Unity3D comprises a simulated fire extinguisher, a screen, a monitoring camera, a projector, VR equipment, an operating handle and a monitoring terminal, wherein fire-fighting training software is installed on the monitoring terminal and comprises a fire-fighting teaching unit, a fire-fighting virtual drilling unit and a fire hazard troubleshooting unit;
the fire-fighting teaching unit stores teaching knowledge of fire extinguisher use and fire escape; the projector is connected with the fire-fighting teaching unit and is used for displaying the teaching knowledge of fire extinguisher use and fire escape on the screen;
the fire hazard investigation unit is internally stored with a plurality of fire scenes with hidden danger objects, and the VR equipment is connected with the fire hazard investigation unit and used for realizing tour of the fire scenes; the operating handle is connected with the fire hazard troubleshooting unit and is used for eliminating a hazard object in a fire scene in the tour process;
a plurality of virtual firing scenes with unique numbers are prestored in the fire extinguishing virtual drilling unit, and different virtual firing scenes correspond to different firing modes and fire extinguishing modes;
the fire extinguishing virtual drilling unit is connected with the projector, calls a corresponding virtual fire scene according to a fire instruction and projects the fire scene on the screen through the projector, wherein the fire instruction comprises the number of the virtual fire scene;
the simulated fire extinguisher is used for transmitting infrared patterns to the screen and acquiring the state information of the simulated fire extinguisher in real time, and the infrared patterns transmitted by different simulated fire extinguishers are different; the monitoring camera is used for shooting an infrared pattern formed on the screen by the simulated fire extinguisher;
the fire extinguishing virtual drilling unit is connected with the monitoring camera and the simulated fire extinguisher, judges whether fire is successfully extinguished according to the state information of the simulated fire extinguisher and the infrared pattern formed by the simulated fire extinguisher shot by the monitoring camera, and prompts a user to perform corresponding operation according to a fire extinguishing result.
Compared with the prior art, the virtual fire-fighting training device has outstanding substantive characteristics and remarkable progress, and particularly provides the virtual fire-fighting training device based on the Unity3D, so that the problem that the type of a fire extinguisher used by a tester cannot be effectively distinguished by the existing virtual fire-fighting system is solved, whether the tester masters a correct fire-fighting mode or not can be judged, the mastery degree of the tester on fire extinguishment of the fire extinguisher can be greatly improved, and in addition, the danger in practical fire-fighting training can be effectively avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the device of the present invention.
Fig. 2 is a software flow diagram of the fire extinguishing training software of the present invention.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
Example 1
As shown in fig. 1 and 2, a Unity 3D-based virtual fire-fighting training device comprises a simulated fire extinguisher, a screen, a monitoring camera, a projector, a VR device, an operating handle and a monitoring terminal; the fire extinguishing practical training software is installed on the monitoring terminal, and the control device is used for controlling the monitoring terminal; the fire extinguishing practical training software comprises a fire extinguishing teaching unit, a fire extinguishing virtual drilling unit and a fire hazard investigation unit;
the fire-fighting teaching unit stores teaching knowledge of fire extinguisher use and fire escape; the projector is connected with the fire-fighting teaching unit and is used for displaying the teaching knowledge of fire extinguisher use and fire escape on the screen;
the fire hazard investigation unit is internally stored with a plurality of fire scenes with hidden danger objects, and the VR equipment is connected with the fire hazard investigation unit and used for realizing tour of the fire scenes; the operating handle is connected with the fire hazard troubleshooting unit and is used for eliminating a hazard object in a fire scene in the tour process;
a plurality of virtual firing scenes with unique numbers are prestored in the fire extinguishing virtual drilling unit, and different virtual firing scenes correspond to different firing modes and fire extinguishing modes;
the fire extinguishing virtual drilling unit is connected with the projector, calls a corresponding virtual fire scene according to a fire instruction and projects the fire scene on the screen through the projector, wherein the fire instruction comprises the number of the virtual fire scene;
the simulated fire extinguisher is used for transmitting infrared patterns to the screen and acquiring the state information of the simulated fire extinguisher in real time, and the infrared patterns transmitted by different simulated fire extinguishers are different; the monitoring camera is used for shooting an infrared pattern formed on the screen by the simulated fire extinguisher; an infrared filter is arranged at the front end of the monitoring camera and used for filtering laser in an image shot by the monitoring camera and enhancing infrared patterns in the image shot by the monitoring camera;
the fire extinguishing virtual drilling unit is connected with the monitoring camera and the simulated fire extinguisher, judges whether fire is successfully extinguished according to the state information of the simulated fire extinguisher and the infrared pattern formed by the simulated fire extinguisher shot by the monitoring camera, and prompts a user to perform corresponding operation according to a fire extinguishing result.
The device can be used for fire-fighting teaching, virtual fire-fighting drilling and fire hazard troubleshooting, the installed fire-fighting practical training software can simulate the characteristics of high fidelity and convenience for interaction on a 3D scene by means of Unity3D development software, and the simulation degree of virtual fire-fighting and the experience of a user are improved by combining vision and hearing.
Wherein, the fire-fighting teaching comprises two parts of fire extinguisher use and fire escape. The use part of the fire extinguisher shows the use modes and use scenes of 4 different fire extinguishers in the modes of sound, characters and pictures. The escape teaching part is displayed in a sound, text, picture and video mode. When fire control teaching is carried out, the monitor terminal sends fire control teaching instructions to the fire extinguishing practical training software, and then the stored fire extinguisher is used by the fire control teaching unit and fire escape teaching knowledge is put in and displayed on the screen to complete fire control teaching demonstration.
The virtual fire-extinguishing drill comprises a plurality of virtual fire-extinguishing scenes, different virtual fire-extinguishing scenes require different fire extinguishers to extinguish a fire and support a plurality of people to extinguish the fire, and whether the fire is successfully extinguished is judged through the state information of the simulation fire extinguisher and the infrared patterns shot by the monitoring camera. And prompting the user to perform corresponding operation after the fire extinguishing is successful or failed. When the virtual fire-extinguishing drill begins, the monitoring terminal sends a firing instruction to the fire-extinguishing practical training software, and a user enters a scene and lifts the simulated fire extinguisher to perform virtual fire-extinguishing interaction. And when the fire extinguishment is judged to be successful, the cleaning field operation is executed, and when the fire extinguishment is judged to be failed, the escape operation is executed.
Fire hazard troubleshooting is divided into factory, home and office scenarios. In the tour process, hidden danger objects preset in a fire scene are eliminated through the operating handle. When fire hazard troubleshooting is started, the monitoring terminal sends a hazard troubleshooting instruction to the fire extinguishing practical training software, a user enters the software and selects a troubleshooting scene, and particularly, an operation handle is arranged to use a teaching video; and displaying the investigation result after tour and hidden danger investigation.
Example 2
The present embodiment differs from embodiment 1 in that a specific implementation of the simulated fire extinguisher is provided: the simulated fire extinguisher comprises a simulated fire extinguisher main body and a nozzle, the simulated fire extinguisher main body is a scrapped empty fire extinguisher or a fire extinguisher prop same as an existing fire extinguisher, a fire extinguisher state detection unit is arranged on the simulated fire extinguisher main body, and the fire extinguisher state detection unit is used for detecting state information of the simulated fire extinguisher and uploading the state information to the fire extinguishing virtual drilling unit; the nozzle front end is provided with the laser emitter that is used for outwards transmitting laser and the infra-red transmitter that is used for outwards transmitting the infrared light, the infra-red transmitter front end still is provided with the image head, and the image head shape of different infra-red transmitter front ends is different.
The fire extinguisher state monitoring unit comprises a pull ring bolt switching value acquisition unit, a pressing handle analog value acquisition unit, a self-rotation position sensing unit, an information processing and control unit and a wireless communication unit. The pull ring bolt switching value acquisition unit is arranged at a pull ring bolt of the simulated fire extinguisher and is used for acquiring the switching state of the pull ring bolt; the pressing handle analog quantity acquisition unit is arranged at a pressing handle of the simulated fire extinguisher and is used for acquiring the pressing degree of the pressing handle; the self-rotation position sensing unit is arranged in the main body of the simulated fire extinguisher and is used for detecting the motion state of the simulated fire extinguisher; the information processing and controlling unit is arranged in the main body of the simulated fire extinguisher, is respectively connected with the pull ring bolt switching value acquisition unit, the pressing handle analog value acquisition unit and the self-rotation position sensing unit, and is used for receiving the switching state of the pull ring bolt, the pressing degree of the pressing handle and the motion state of the simulated fire extinguisher, converting the switching state of the pull ring bolt, the pressing degree of the pressing handle and the motion state of the simulated fire extinguisher into digital signals, giving ID information to the digital signals and generating the state information of the simulated fire extinguisher; the wireless communication unit is connected with the information processing and control unit and used for sending out the state information of the simulated fire extinguisher.
Laser emitter with infrared emitter parallel arrangement is used for reducing the different influence to the location of operating personnel and screen distance, if laser emitter with infrared emitter non-parallel arrangement is cross arrangement promptly, and then operating personnel is different with the screen distance, the infrared pattern that infrared emitter sent with laser emitter's the distance of the laser ray that sends also can change thereupon to make can't confirm the position of infrared pattern.
The image head at the front end of the infrared emitter is used for distinguishing infrared patterns emitted by the infrared emitters of different operators; the infrared emitter emits light which is invisible to human eyes after being projected on the screen, the laser emitter emits light which is visible to human eyes after being projected on the screen, and the laser emitter is used for assisting an operator to distinguish the position of the infrared emitter irradiated in the screen.
The image acquisition device comprises a camera and an infrared filter arranged at the front end of the camera, and the camera is used for shooting images on a screen; the infrared filter is used for filtering laser in the image shot by the camera and enhancing the infrared pattern in the image shot by the camera, and the position of the infrared pattern is conveniently positioned in the image. Under normal conditions, laser is human eye visible light, and infrared is human eye invisible light, installs additional behind the infrared filter, the laser point is invisible in the image that the camera was shot, and infrared pattern is visible and its luminance is higher.
The emulation fire extinguisher in this embodiment possesses two transmitters of infrared and laser, and infrared is used for sending infrared pattern to the screen and provides the location for the surveillance camera head, and laser is used for pointing out the position that indicates for the user at present, and fire extinguisher state detecting element is used for detecting the fire extinguisher state (pressing, safety pin and self rotational position), sends data for monitor terminal's virtual rehearsal unit of putting out a fire through wireless communication module according to appointed format.
Example 3
The present embodiment differs from embodiment 1 in that a specific implementation of the fire extinguishing virtual drill unit is provided: the fire-extinguishing virtual drilling unit comprises a first image processing unit, a second image unit, a template generating unit, a template library, a matching unit, a position calculating unit and a central processing unit.
The first image processing unit is used for carrying out binarization operation on the image collected by the monitoring camera; the second image processing module is used for performing connected domain operation on the binarized image and intercepting the infrared pattern in the image; the template generating unit stores the identified infrared pattern in the template library in the form of an infrared pattern template; the matching unit is used for matching the infrared pattern with the infrared pattern template stored in the template library to identify the infrared pattern; and the position calculation unit is used for calculating the proportion of the X axis and the Y axis of the infrared pattern relative to the screen according to the position of the identified infrared pattern in the screen and the 4-vertex coordinates of the screen.
The fire extinguishing virtual drilling unit judges whether the fire extinguishing is successful or not according to the following specific steps:
step 1, the first image processing unit carries out binarization operation on an image collected by the monitoring camera;
step 2, the second image processing module performs connected domain operation on the binarized image and intercepts an infrared pattern in the image;
step 3, the matching unit matches the extracted infrared pattern with a built-in infrared pattern template to identify the type of the infrared pattern;
loading a template, and searching an optimal matching area of the image and the template;
calculating an average absolute difference algorithm, and calculating the similarity between the infrared pattern in the optimal matching area and a built-in infrared pattern template;
if the highest similarity between the infrared pattern and the built-in infrared pattern template is greater than a preset similarity threshold, judging that the infrared pattern is the infrared pattern template with the highest similarity, wherein the infrared pattern template is the built-in infrared pattern template with the highest similarity;
step 4, the position calculation unit calculates the specific coordinates of the infrared pattern according to the position of the identified infrared pattern in the image and the 4-vertex coordinates of the screen;
setting and storing X-axis coordinates and Y-axis coordinates of 4 vertexes of a screen in the acquired image, wherein the 4 vertexes are recorded as image screen areas;
calculating the proportion of the X-axis coordinate and the Y-axis coordinate of the infrared pattern relative to the image screen area according to the position of the identified infrared pattern in the image screen area;
calculating the position coordinates of the infrared pattern on the actual screen according to the proportion of the X-axis coordinates and the Y-axis coordinates of the infrared pattern relative to the image screen area and the 4-vertex coordinates of the actual screen;
step 5, the central processing unit judges whether the specific coordinate of the infrared pattern is positioned in the position coordinate area of a certain ignition point, if so, further judges whether the type of the infrared pattern is consistent with the infrared pattern corresponding to the ignition point, and if so, judges whether the fire extinguishing operation sequence is correct according to the state information of the simulated fire extinguisher; if the fire extinguishing result is correct, the fire extinguishing is judged to be successful, otherwise, the fire extinguishing fails.
Specifically, when fire extinguishing virtual drilling is carried out, the monitoring terminal displays a plurality of ignition points on the screen through the fire extinguishing practical training software;
each training person holds different types of simulated fire extinguishers, sends infrared patterns and laser to the screen, emits light rays in a parallel state, and sends different infrared patterns to different types of fire extinguishers;
the monitoring terminal extracts infrared patterns in the images acquired by the camera;
the monitoring terminal matches the extracted infrared pattern with a built-in infrared pattern template to identify the type of the infrared pattern;
the monitoring terminal calculates the specific coordinates of the infrared pattern according to the position of the identified infrared pattern in the image and the 4-vertex coordinates of the screen;
the monitoring terminal judges whether the specific coordinates of the infrared patterns are located in the position coordinate area of a certain ignition point, if so, further judges whether the types of the infrared patterns are consistent with the infrared patterns corresponding to the ignition point, and if so, the monitoring terminal controls the fire extinguishing practical training software to extinguish the fire at the corresponding ignition point and displays the fire through the screen.
Because the infrared patterns that different kinds of fire extinguishers sent are different, the monitoring terminal can distinguish which fire extinguisher extinguishes the ignition point and whether the fire extinguisher is used in a correct fire extinguishing mode through different infrared patterns, so that whether each student extinguishes the fire is judged, and the purposes of fire extinguishing training and checking of the students are achieved.
The Unity 3D-based virtual fire-fighting training device has the following advantages:
1. the screen position is fixed in advance according to the top point of the screen 4, the screen identification precision is greatly improved, and meanwhile, when the application environment is a projector projection area, the influence of projection distortion on image identification is greatly reduced;
2. the screen coordinate tracking precision is improved to the maximum extent by utilizing the proportion of the infrared aiming point relative to the X axis and the Y axis of the screen;
3. by utilizing different pattern heads among the infrared emitters, the screen coordinate point positions of different emitters can be effectively positioned, multi-target screen recognition and positioning are carried out, and the purposes of fire extinguishing training and examination of multiple students are achieved.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (5)
1. A virtual fire control training set based on Unity3D, its characterized in that: the fire extinguishing practical training software comprises a simulated fire extinguisher, a screen, a monitoring camera, a projector, VR equipment, an operating handle and a monitoring terminal, wherein the monitoring terminal is provided with fire extinguishing practical training software which comprises a fire fighting teaching unit, a fire extinguishing virtual drilling unit and a fire hazard troubleshooting unit;
the fire-fighting teaching unit stores teaching knowledge of fire extinguisher use and fire escape; the projector is connected with the fire-fighting teaching unit and is used for displaying the teaching knowledge of fire extinguisher use and fire escape on the screen;
the fire hazard investigation unit is internally stored with a plurality of fire scenes with hidden danger objects, and the VR equipment is connected with the fire hazard investigation unit and used for realizing tour of the fire scenes; the operating handle is connected with the fire hazard troubleshooting unit and is used for eliminating a hazard object in a fire scene in the tour process;
a plurality of virtual firing scenes with unique numbers are prestored in the fire extinguishing virtual drilling unit, and different virtual firing scenes correspond to different firing modes and fire extinguishing modes;
the fire extinguishing virtual drilling unit is connected with the projector, calls a corresponding virtual fire scene according to a fire instruction and projects the fire scene on the screen through the projector, wherein the fire instruction comprises the number of the virtual fire scene;
the simulated fire extinguisher is used for transmitting infrared patterns to the screen and acquiring the state information of the simulated fire extinguisher in real time, and the infrared patterns transmitted by different simulated fire extinguishers are different; the monitoring camera is used for shooting an infrared pattern formed on the screen by the simulated fire extinguisher;
the fire extinguishing virtual drilling unit is connected with the monitoring camera and the simulated fire extinguisher, judges whether fire is successfully extinguished according to the state information of the simulated fire extinguisher and the infrared pattern formed by the simulated fire extinguisher shot by the monitoring camera, and prompts a user to perform corresponding operation according to a fire extinguishing result;
the fire extinguishing virtual drilling unit comprises a first image processing unit, a second image unit, a template library, a matching unit, a position calculating unit and a central processing unit, wherein the first image processing unit is used for carrying out binarization operation on the image collected by the monitoring camera; the second image processing module is used for performing connected domain operation on the binarized image and intercepting the infrared pattern in the image; the matching unit is used for matching the infrared pattern with the infrared pattern template stored in the template library to identify the infrared pattern; the position calculation unit is used for calculating the proportion of X and Y axes of the infrared pattern relative to the screen according to the position of the identified infrared pattern in the screen and the 4-vertex coordinates of the screen;
the fire-extinguishing virtual drilling unit also comprises a template generating unit, and the template generating unit stores the identified infrared patterns in the template library in the form of infrared pattern templates;
the fire extinguishing virtual drilling unit judges whether the fire extinguishing is successful or not according to the following specific steps:
step 1, the first image processing unit carries out binarization operation on an image collected by the monitoring camera;
step 2, the second image processing module performs connected domain operation on the binarized image and intercepts an infrared pattern in the image;
step 3, the matching unit matches the extracted infrared pattern with a built-in infrared pattern template to identify the type of the infrared pattern;
loading a template, and searching an optimal matching area of the image and the template;
calculating an average absolute difference algorithm, and calculating the similarity between the infrared pattern in the optimal matching area and a built-in infrared pattern template;
if the highest similarity between the infrared pattern and the built-in infrared pattern template is greater than a preset similarity threshold, judging that the infrared pattern is the infrared pattern template with the highest similarity, wherein the infrared pattern template is the built-in infrared pattern template with the highest similarity;
step 4, the position calculation unit calculates the specific coordinates of the infrared pattern according to the position of the identified infrared pattern in the image and the 4-vertex coordinates of the screen;
setting and storing X-axis coordinates and Y-axis coordinates of 4 vertexes of a screen in the acquired image, wherein the 4 vertexes are recorded as image screen areas;
calculating the proportion of the X-axis coordinate and the Y-axis coordinate of the infrared pattern relative to the image screen area according to the position of the identified infrared pattern in the image screen area;
calculating the position coordinates of the infrared pattern on the actual screen according to the proportion of the X-axis coordinates and the Y-axis coordinates of the infrared pattern relative to the image screen area and the 4-vertex coordinates of the actual screen;
step 5, the central processing unit judges whether the specific coordinate of the infrared pattern is positioned in the position coordinate area of a certain ignition point, if so, further judges whether the type of the infrared pattern is consistent with the infrared pattern corresponding to the ignition point, and if so, judges whether the fire extinguishing operation sequence is correct according to the state information of the simulated fire extinguisher; if the fire is correct, judging that the fire is successfully extinguished, otherwise, judging that the fire is failed;
specifically, when fire extinguishing virtual drilling is carried out, the monitoring terminal displays a plurality of ignition points on the screen through the fire extinguishing practical training software;
each training person holds different types of simulated fire extinguishers, sends infrared patterns and laser to the screen, emits light rays in a parallel state, and sends different infrared patterns to different types of fire extinguishers;
the monitoring terminal extracts infrared patterns in the images acquired by the camera;
the monitoring terminal matches the extracted infrared pattern with a built-in infrared pattern template to identify the type of the infrared pattern;
the monitoring terminal calculates the specific coordinates of the infrared pattern according to the position of the identified infrared pattern in the image and the 4-vertex coordinates of the screen;
the monitoring terminal judges whether the specific coordinates of the infrared patterns are located in the position coordinate area of a certain ignition point, if so, further judges whether the types of the infrared patterns are consistent with the infrared patterns corresponding to the ignition point, and if so, the monitoring terminal controls the fire extinguishing practical training software to extinguish the fire at the corresponding ignition point and displays the fire through the screen.
2. The Unity 3D-based virtual fire training apparatus as claimed in claim 1, wherein: the simulated fire extinguisher comprises a simulated fire extinguisher main body and a nozzle, the simulated fire extinguisher main body is a scrapped empty fire extinguisher or a fire extinguisher prop same as an existing fire extinguisher, a fire extinguisher state detection unit is arranged on the simulated fire extinguisher main body, and the fire extinguisher state detection unit is used for detecting state information of the simulated fire extinguisher and uploading the state information to the fire extinguishing virtual drilling unit; the nozzle front end is provided with the laser emitter that is used for outwards transmitting laser and the infra-red transmitter that is used for outwards transmitting the infrared light, the infra-red transmitter front end still is provided with the image head, and the image head shape of different infra-red transmitter front ends is different.
3. The Unity 3D-based virtual fire fighting training apparatus as recited in claim 2, wherein the fire extinguisher status monitoring unit comprises:
the pull ring bolt switching value acquisition unit is arranged at a pull ring bolt of the simulated fire extinguisher and is used for acquiring the switching state of the pull ring bolt;
the simulation fire extinguisher comprises a pressing handle analog quantity acquisition unit, a simulation fire extinguisher and a control unit, wherein the pressing handle analog quantity acquisition unit is arranged at a pressing handle of the simulation fire extinguisher and is used for acquiring the pressing degree of the pressing handle;
the self-rotation position sensing unit is arranged in the main body of the simulated fire extinguisher and is used for detecting the motion state of the simulated fire extinguisher;
the information processing and controlling unit is arranged in the main body of the simulated fire extinguisher, is respectively connected with the pull ring bolt switching value acquisition unit, the pressing handle analog value acquisition unit and the self-rotation position sensing unit, and is used for receiving the switching state of the pull ring bolt, the pressing degree of the pressing handle and the motion state of the simulated fire extinguisher, converting the switching state of the pull ring bolt, the pressing degree of the pressing handle and the motion state of the simulated fire extinguisher into digital signals, endowing ID information to the digital signals and generating the state information of the simulated fire extinguisher;
and the wireless communication unit is connected with the information processing and control unit and is used for sending out the state information of the simulated fire extinguisher.
4. The Unity 3D-based virtual fire training apparatus as claimed in claim 3, wherein: the front end of the monitoring camera is provided with an infrared filter, and the infrared filter is used for filtering laser in an image shot by the monitoring camera and enhancing infrared patterns in the image shot by the monitoring camera.
5. The Unity 3D-based virtual fire training apparatus as claimed in claim 1, wherein: the Unity 3D-based virtual fire-fighting training device further comprises a control device for controlling the monitoring terminal.
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| CN111179686A (en) * | 2020-03-13 | 2020-05-19 | 济南奥维信息科技有限公司 | Fire fighting training system and method based on virtual reality interaction |
| CN112435525B (en) * | 2020-11-20 | 2023-04-04 | 郑州捷安高科股份有限公司 | Simulated fire extinguishing method, device, computer equipment and medium |
| CN113384844B (en) * | 2021-06-17 | 2022-01-28 | 郑州万特电气股份有限公司 | Fire extinguishing action detection method based on binocular vision and fire extinguisher safety practical training system |
| CN113813524A (en) * | 2021-09-01 | 2021-12-21 | 海南航众科技有限公司 | Intelligent fire-fighting remote monitoring system for park |
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