CN111627284A - VR-based children earthquake safety education simulation system and method - Google Patents
VR-based children earthquake safety education simulation system and method Download PDFInfo
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- CN111627284A CN111627284A CN202010515428.5A CN202010515428A CN111627284A CN 111627284 A CN111627284 A CN 111627284A CN 202010515428 A CN202010515428 A CN 202010515428A CN 111627284 A CN111627284 A CN 111627284A
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Abstract
The invention discloses a VR-based children earthquake safety education simulation system which comprises a VR earthquake safety experience hall, a VR experience helmet, wearable equipment, a control host and an alarm module, wherein the control host is used for acquiring control information of a hydraulic control device of an earthquake platform; judging whether the experiencer obeys a preset earthquake escape rule or not according to the acquired control information of the earthquake platform hydraulic control device, the virtual personnel and the virtual personnel motion information constructed in the VR experience helmet and the preset earthquake escape rule in the database; and if the experience person is identified not to obey the preset earthquake escape rule in the database, controlling the alarm module to carry out sound-light alarm. The children earthquake safety education simulation system and method based on VR provided by the invention have strong immersion, enable the experiencer to be more real and close to the ground to experience the earthquake escape self-rescue rule, thereby being capable of attracting the active participation of the masses, achieving the purpose of improving the training effect and reducing the personal casualties in the earthquake accident.
Description
Technical Field
The invention relates to the technical field of virtual reality, and particularly discloses a children earthquake safety education simulation system and method based on VR.
Background
Safety education, which is a long-term, continuous process as a focus of social attention, is an important part of students. The safety awareness of students is weak, the identification of danger sources is particularly lack, and the safety education of schools is particularly important for ensuring the healthy growth of the students. However, the interest of students in learning safety knowledge is not high due to the conventional infusion-type education, and schools do not pay attention to the teaching in this respect in addition to the reasons of education costs, technical and safety responsibilities.
The traditional safety education has little effect, and students do not master corresponding safety knowledge while wasting the teaching resources of schools.
Therefore, the defects existing in the existing earthquake safety education for children are a technical problem to be solved urgently.
Disclosure of Invention
The invention provides a VR-based children earthquake safety education simulation system and method, and aims to solve the technical problems of the defects in the existing children earthquake safety education.
One aspect of the invention relates to a VR-based children earthquake safety education simulation system, which comprises a VR earthquake safety experience hall, a VR experience helmet, wearable equipment, a control host and an alarm module, wherein,
the VR earthquake safety experience hall is internally provided with an earthquake simulation platform, and the earthquake simulation platform comprises an earthquake platform and an earthquake platform hydraulic control device which is connected with the earthquake platform and is used for controlling the earthquake platform to act;
the wearable device is used for acquiring motion posture data of an experiencer;
the VR experience helmet is respectively connected with the seismic platform hydraulic control device and the wearable device, and is used for acquiring relevant seismic simulation signals of a VR seismic safety experience hall and presenting a VR seismic safety virtual reality experience scene corresponding to the VR seismic safety experience hall; according to the motion attitude data of the experiencer acquired by the wearable equipment, virtual personnel corresponding to the experiencer and virtual personnel motion information corresponding to the motion attitude data of the experiencer are constructed in the presented VR earthquake safety virtual reality experience scene;
the control host is respectively connected with the seismic platform hydraulic control device, the wearable equipment, the VR experience helmet and the alarm module and is used for acquiring control information of the seismic platform hydraulic control device; judging whether the experiencer obeys a preset earthquake escape rule or not according to the acquired control information of the earthquake platform hydraulic control device, the virtual personnel and the virtual personnel motion information constructed in the VR experience helmet and the preset earthquake escape rule in the database; and if the experience person is identified not to obey the preset earthquake escape rule in the database, controlling the alarm module to carry out sound-light alarm.
Furthermore, the VR-based children earthquake safety education simulation system also comprises a voice prompt module,
the voice prompt module is used for being connected with the control host and prompting the experiencer to be correct in the escape self-rescue method if the experiencer is recognized to obey the preset earthquake escape rule in the database.
Furthermore, be equipped with the panoramic camera on the VR experience helmet, the panoramic camera is used for acquireing the state information of setting article and emergent material in VR earthquake safety experience shop to in VR earthquake safety virtual reality experience scene, establish with the setting article and the emergent article of virtual reality corresponding to the state information of emergent article and set article and virtual reality.
Furthermore, the hydraulic control device of the earthquake platform comprises a hydraulic oil tank, a motor, a hydraulic pump, an electric proportional multi-way valve, a hydraulic oil cylinder and an electric proportional overflow valve, wherein,
the motor is used for driving the hydraulic pump to pump hydraulic oil in the hydraulic oil tank into a pressure oil port P of the electric proportional multi-way valve; a working oil port A and a working oil port B of the electric proportional multi-way valve are communicated with a cavity of the hydraulic oil cylinder; the load sensitive limiting pressure output port LSA of the electric proportional multi-way valve is respectively connected with the feedback oil circuit of the working oil port A and the electric proportional overflow valve, and a piston rod used for being connected with the earthquake platform is arranged on the cavity of the hydraulic oil cylinder.
Furthermore, the hydraulic control device of the earthquake platform also comprises an oil return pipeline,
and an oil return port T of the electric proportional multi-way valve is connected to a hydraulic oil tank through an oil return pipeline.
Further, a high-pressure filter is arranged between the hydraulic pump and the electric proportional multi-way valve.
Furthermore, an oil return filter and a radiator are arranged on the oil return pipeline, and an oil suction ball valve is arranged between the hydraulic pump and the hydraulic oil tank.
Another aspect of the present invention relates to a VR-based children earthquake safety education simulation method, including the steps of:
acquiring motion attitude data of an experiencer by adopting wearable equipment;
acquiring relevant earthquake simulation signals of a VR earthquake safety experience hall through a VR experience helmet, and presenting a VR earthquake safety virtual reality experience scene corresponding to the VR earthquake safety experience hall; according to the motion attitude data of the experiencer acquired by the wearable equipment, virtual personnel corresponding to the experiencer and virtual personnel motion information corresponding to the motion attitude data of the experiencer are constructed in the presented VR earthquake safety virtual reality experience scene;
the control host acquires control information of the hydraulic control device of the seismic platform; judging whether the experiencer obeys a preset earthquake escape rule or not according to the acquired control information of the earthquake platform hydraulic control device, the virtual personnel and the virtual personnel motion information constructed in the VR experience helmet and the preset earthquake escape rule in the database;
and if the experience person is identified not to obey the preset earthquake escape rule in the database, controlling the alarm module to carry out sound-light alarm.
Further, according to the acquired control information of the hydraulic control device of the earthquake platform, the virtual personnel and the virtual personnel motion information constructed in the VR experience helmet and the preset earthquake escape rule in the database, the step of judging whether the experiencer obeys the preset earthquake escape rule further comprises the following steps:
if the fact that the experiencer obeys the preset earthquake escape rule in the database is recognized, the voice prompt module is adopted to prompt the experiencer to be correct in life-saving and self-rescue method through voice.
Further, acquire VR earthquake safety through VR experience helmet and experience relevant earthquake analog signal in shop, the step that presents VR earthquake safety virtual reality that corresponds with VR earthquake safety experience shop and experiences the scene includes:
the state information of the furnishing object and the emergency material in the VR earthquake safety experience hall is acquired through a panoramic camera arranged on the VR experience helmet, and in the VR earthquake safety virtual reality experience scene, the furnishing object and the virtual reality emergency object corresponding to the state information of the furnishing object and the emergency object are built.
The beneficial effects obtained by the invention are as follows:
the invention provides a VR-based children earthquake safety education simulation system and method, wherein the system comprises a VR earthquake safety experience hall, a VR experience helmet, wearable equipment, a control host and an alarm module, wherein the VR experience helmet is used for acquiring relevant earthquake simulation signals of the VR earthquake safety experience hall and presenting a VR earthquake safety virtual reality experience scene corresponding to the VR earthquake safety experience hall; according to the motion attitude data of the experiencer acquired by the wearable equipment, virtual personnel corresponding to the experiencer and virtual personnel motion information corresponding to the motion attitude data of the experiencer are constructed in the presented VR earthquake safety virtual reality experience scene; the control host is used for acquiring control information of the hydraulic control device of the seismic platform; judging whether the experiencer obeys a preset earthquake escape rule or not according to the acquired control information of the earthquake platform hydraulic control device, the virtual personnel and the virtual personnel motion information constructed in the VR experience helmet and the preset earthquake escape rule in the database; and if the experience person is identified not to obey the preset earthquake escape rule in the database, controlling the alarm module to carry out sound-light alarm. The children earthquake safety education simulation system and method based on VR provided by the invention have strong immersion, enable the experiencer to be more real and close to the ground to experience the earthquake escape self-rescue rule, thereby being capable of attracting the active participation of the masses, achieving the purpose of improving the training effect and reducing the personal casualties in the earthquake accident.
Drawings
FIG. 1 is a functional block diagram of a VR-based childhood earthquake safety education simulation system according to a first embodiment of the present invention;
FIG. 2 is a functional block diagram of a second embodiment of a VR-based childhood earthquake safety education simulation system provided by the invention;
FIG. 3 is a functional block diagram of a VR-based childhood earthquake safety education simulation system according to a third embodiment of the present invention;
FIG. 4 is a schematic diagram of an embodiment of the seismic platform hydraulic control apparatus shown in FIG. 1;
FIG. 5 is a schematic flow chart of a VR-based method for simulating earthquake safety education of children according to a first embodiment of the present invention;
FIG. 6 is a schematic flow chart of a VR-based method for simulating earthquake safety education of children according to a second embodiment of the present invention;
fig. 7 is a flowchart illustrating a VR-based children seismic safety education simulation method according to a third embodiment of the present invention.
The reference numbers illustrate:
10. a VR earthquake safety experience shop; 20. a VR experience helmet; 30. a wearable device; 40. a control host; 50. an alarm module; 11. a seismic platform hydraulic control device; 60. a voice prompt module; 21. a panoramic camera; 111. a hydraulic oil tank; 112. a motor; 113. a hydraulic pump; 114. an electrically proportional multi-way valve; 115. a hydraulic cylinder; 116. an electric proportional relief valve; 1151. a piston rod; 117. an oil return line; 118. a high pressure filter; 1171. an oil return filter; 1172. a heat sink; 119. an oil suction ball valve.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 1, a first embodiment of the present invention provides a VR-based children earthquake safety education simulation system, which includes a VR earthquake safety experience hall 10, a VR experience helmet 20, a wearable device 30, a control host 40, and an alarm module 50, where an earthquake simulation platform is disposed in the VR earthquake safety experience hall 10, and the earthquake simulation platform includes an earthquake platform and an earthquake platform hydraulic control device 11 connected to the earthquake platform for controlling the earthquake platform to move; the wearable device 30 is used for acquiring motion posture data of the experiencer; the VR experience helmet 20 is respectively connected with the seismic platform hydraulic control device 11 and the wearable device 30, and is used for acquiring relevant seismic simulation signals of the VR seismic safety experience hall 10 and presenting a VR seismic safety virtual reality experience scene corresponding to the VR seismic safety experience hall 10; according to the motion posture data of the experiencer acquired by the wearable device 30, virtual personnel corresponding to the experiencer and virtual personnel motion information corresponding to the motion posture data of the experiencer are constructed in the presented VR earthquake safety virtual reality experience scene; the control host 40 is connected with the seismic platform hydraulic control device 11, the wearable device 30, the VR experience helmet 20 and the alarm module 50, and is used for acquiring control information of the seismic platform hydraulic control device 11; judging whether the experiencer obeys a preset earthquake escape rule or not according to the acquired control information of the earthquake platform hydraulic control device 11, the virtual personnel and virtual personnel motion information constructed in the VR experience helmet 20 and the preset earthquake escape rule in the database; and if the experiencer is identified not to comply with the preset earthquake escape rule in the database, controlling the alarm module 50 to carry out sound-light alarm. Specifically, the wearable device 30 acquires gesture data and motion trajectory data of the experiencer in real time; the VR experience helmet 20 acquires relevant earthquake simulation signals of a VR earthquake safety experience hall, and presents a VR earthquake safety virtual reality experience scene corresponding to the VR earthquake safety experience hall 10; according to the attitude data and the motion trail data of the experiencer acquired by the wearable device 30 in real time, virtual personnel corresponding to the experiencer and virtual personnel motion information corresponding to the attitude data and the motion trail data of the experiencer are constructed in the presented VR earthquake safety virtual reality experience scene; the control host 40 comprehensively judges whether the experiencer complies with the preset earthquake escape rule or not according to the acquired control information of the simulated signal lamp control device 11, the virtual personnel and virtual personnel motion information constructed in the VR experience helmet 20 and the preset earthquake escape rule in the database, and controls the alarm module 50 to give an audible and visual alarm if the experiencer does not comply with the preset earthquake escape rule in the database, so that the experiencer is reminded of complying with the earthquake escape rule in real time, and the experiencer feels the earthquake escape rule more real and close to the ground; the method attracts the active participation of the masses, achieves the aim of improving the training effect and reduces the personal casualties in the earthquake accidents. For example, the earthquake escape rules preset in the database are table legs, head protection parts, no-jump and correct use of escape tools. If the control host 40 recognizes that the experiencer does not squat the table legs and the head protection part within the set time or does not use the escape tool correctly when the earthquake occurs, the control host controls the alarm module 50 to give an audible and visual alarm. In this embodiment, wearable device 30 can be for intelligent wrist-watch, also can be for intelligent bracelet etc. all within the scope of guarantor of this patent.
Compared with the prior art, the child earthquake safety education simulation system based on VR provided by the embodiment adopts a VR earthquake safety experience hall, a VR experience helmet, wearable equipment, a control host and an alarm module, wherein the VR experience helmet is used for acquiring relevant earthquake simulation signals of the VR earthquake safety experience hall and presenting a VR earthquake safety virtual reality experience scene corresponding to the VR earthquake safety experience hall; according to the motion attitude data of the experiencer acquired by the wearable equipment, virtual personnel corresponding to the experiencer and virtual personnel motion information corresponding to the motion attitude data of the experiencer are constructed in the presented VR earthquake safety virtual reality experience scene; the control host is used for acquiring control information of the hydraulic control device of the seismic platform; judging whether the experiencer obeys a preset earthquake escape rule or not according to the acquired control information of the earthquake platform hydraulic control device, the virtual personnel and the virtual personnel motion information constructed in the VR experience helmet and the preset earthquake escape rule in the database; and if the experience person is identified not to obey the preset earthquake escape rule in the database, controlling the alarm module to carry out sound-light alarm. The children earthquake safety education simulation system based on VR that this embodiment provided is immersed the sense strong, let experience the person more truly, close to the sense of land and receive the earthquake rule of saving oneself of fleing to can attract masses' active participation, reach the purpose that improves the training result, reduce the personal casualties in the earthquake accident.
Further, please refer to fig. 2, and fig. 2 is a functional block diagram of a second embodiment of the VR-based children earthquake safety education simulation system provided in the present invention, and based on the first embodiment, the VR-based children earthquake safety education simulation system further includes a voice prompt module 60, where the voice prompt module 60 is used for connecting to the control host 40, and is used for prompting an experiencer to have a correct escape self-rescue method if it is recognized that the experiencer complies with the earthquake escape rule preset in the database. Specifically, if it is recognized that the experiencer complies with the preset earthquake escape rule in the database, the voice prompt module 60 prompts the experiencer to have a correct escape self-rescue method. For example, if the control host 40 recognizes that the experiencer squats legs and protects the head within a set time and correctly uses the escape tool when the earthquake comes, the voice prompt module 60 is controlled to perform voice prompt to prompt the experiencer that the escape self-rescue method is correct, so that the experiencer feels the escape rule of the earthquake more truly and closely; the method attracts the active participation of the masses, achieves the aim of improving the training effect and reduces the personal casualties in the earthquake accidents.
Compared with the prior art, the child earthquake safety education simulation system based on VR provided by the embodiment adopts a VR earthquake safety experience hall, a VR experience helmet, wearable equipment, a control host and a prompt module, and if it is recognized that an experiencer obeys a preset earthquake escape rule in a database, a voice prompt experiencer escape self-rescue method is correct. The children earthquake safety education simulation system based on VR that this embodiment provided is immersed the sense strong, let experience the person more truly, close to the ground sense earthquake rule of fleing to can attract masses' active participation, reach the purpose that improves the training result, reduce the personal casualties in the earthquake accident.
Preferably, referring to fig. 3, fig. 3 is a functional block diagram of a VR-based children earthquake safety education simulation system according to a third embodiment of the present invention, based on the first embodiment, a panoramic camera 21 is disposed on a VR experience helmet 20, the panoramic camera 21 is configured to obtain status information of a furnishing object and an emergency material in a VR earthquake safety experience hall 10, and in a VR earthquake safety virtual reality experience scene, a virtual reality furnishing object and a virtual reality emergency object corresponding to the status information of the furnishing object and the emergency object are constructed. Specifically, the panoramic camera 21 acquires state information of the furnishing objects and emergency materials preset in the VR earthquake safety experience hall 10, and in the VR earthquake safety virtual reality experience scene, virtual reality furnishing objects and virtual reality emergency objects corresponding to the state information of the furnishing objects and the emergency objects are constructed. For example, the virtual reality furnishing item may be a virtual reality table and chair. The virtual reality emergency item may be a virtual reality emergency tool. In this embodiment, if the panoramic camera 21 recognizes that the experiencer is hidden under a desk and protects the head, a corresponding virtual reality desk and virtual personnel head protection actions are established in the VR earthquake safety virtual reality experience scene.
The children earthquake safety education analog system based on VR that this embodiment provided compares in prior art, this analog system adopts VR earthquake safety to experience the shop, VR experiences the helmet, wearable equipment, main control system and prompt module, VR experiences the panoramic camera on the helmet and is arranged in acquireing VR earthquake safety and experiences the state information of setting up article and emergent material in the shop, and in VR earthquake safety virtual reality experience scene, establish and set up article and the emergent article of virtual reality that the state information of article and emergent article corresponds. The children earthquake safety education simulation system based on VR that this embodiment provided is immersed the sense strong, let experience the person more truly, close to the ground sense earthquake rule of fleing to can attract masses' active participation, reach the purpose that improves the training result, reduce the personal casualties in the earthquake accident.
Further, as shown in fig. 4, fig. 4 is a schematic structural diagram of an embodiment of the hydraulic control apparatus for a seismic platform shown in fig. 1, in this embodiment, the hydraulic control apparatus 11 for a seismic platform includes a hydraulic oil tank 111, a motor 112, a hydraulic pump 113, an electric proportional multi-way valve 114, a hydraulic oil cylinder 115, and an electric proportional overflow valve 116, where the motor 112 is configured to drive the hydraulic pump 113 to pump hydraulic oil in the hydraulic oil tank 111 into a pressure port P of the electric proportional multi-way valve 114; a working oil port A and a working oil port B of the electric proportional multi-way valve 114 are communicated with a cavity of the hydraulic oil cylinder 115; the load-sensitive limited pressure output port LSA of the electric proportional multi-way valve 114 is respectively connected with a feedback oil circuit of the working oil port A and the electric proportional overflow valve 116, and a piston rod 1151 for connecting with a seismic platform is arranged on the cavity of the hydraulic oil cylinder 115.
In the above structure, the hydraulic control device 11 of the seismic platform further includes a return line 117, and the return port T of the electro-proportional multi-way valve 114 is connected to the hydraulic oil tank 111 through the return line 117. A high pressure filter 118 is provided between the hydraulic pump 113 and the electric proportional multi-way valve 114. The oil return line 117 is provided with an oil return filter 1171 and a radiator 1172, and an oil suction ball valve 119 is provided between the hydraulic pump 113 and the hydraulic oil tank 111. The radiator 1172 is located between the oil return filter 1171 and the hydraulic oil tank 111, and is used for cooling the heated hydraulic oil.
In this embodiment, when the motor 112 drives the hydraulic pump 113 to rotate, the hydraulic oil in the hydraulic oil tank 111 enters the oil suction port of the hydraulic pump 113 through the oil suction ball valve 119, and the hydraulic pump 113 converts the hydraulic oil entering the oil suction port into high pressure by rotating and discharges the high pressure from the oil suction port. High pressure hydraulic oil enters the electro proportional multi-way valve 114 through a high pressure filter 118. High-pressure oil enters a rodless cavity of the hydraulic oil cylinder 115 through the working oil port A or the working oil port B through the electric proportional multi-way valve 114, and a piston rod 1151 on the hydraulic oil cylinder 115 is pushed to extend or retract. The load pressure of the working oil port a of the electric proportional multi-way valve 114 is fed back through the load sensitive loop, and the maximum working pressure is determined by the maximum set pressure of the load sensitive loop. The load-sensitive limited pressure output port LSA of the electric proportional multi-way valve 114 is communicated with a feedback oil path of a working oil port A of the electric proportional multi-way valve 114; the relief pressure set by the electric proportional relief valve 116 is proportional to the magnitude of its control current. The load-sensitive limited pressure output port LSA of the electro-proportional multi-way valve 114 is connected to an external electro-proportional relief valve 116. When the control current of the electric proportional overflow valve 116 changes, the set pressure of the electric proportional overflow valve 116 changes; and then the maximum limiting pressure of the pipeline connected with the load sensitive limiting pressure output port LSA of the electric proportional multi-way valve 114 also changes, so that the maximum output pressure of the working oil port A of the electric proportional multi-way valve 114 is controlled by the remote proportional valve, the control precision of the remote proportional regulation thrust is high, and the control stability of the seismic platform is good.
Referring to fig. 5, fig. 5 is a schematic flow chart of a VR-based children earthquake safety education simulation method according to a first embodiment of the present invention, in this embodiment, the VR-based children earthquake safety education simulation method includes the following steps:
and S100, acquiring motion posture data of the experiencer by adopting the wearable equipment.
The wearable device acquires gesture data and motion trail data of the experiencer in real time.
S200, acquiring relevant earthquake simulation signals of a VR earthquake safety experience hall through a VR experience helmet, and presenting a VR earthquake safety virtual reality experience scene corresponding to the VR earthquake safety experience hall; and according to the motion attitude data of the experiencer acquired by the wearable device, virtual personnel corresponding to the experiencer and virtual personnel motion information corresponding to the motion attitude data of the experiencer are constructed in the presented VR earthquake safety virtual reality experience scene.
The VR experience helmet acquires relevant earthquake simulation signals of a VR earthquake safety experience center, and a VR earthquake safety virtual reality experience scene corresponding to the VR earthquake safety experience center is presented; and according to the attitude data and the motion trail data of the experiencer acquired by the wearable device in real time, virtual personnel corresponding to the experiencer and virtual personnel motion information corresponding to the attitude data and the motion trail data of the experiencer are constructed in the presented VR earthquake safety virtual reality experience scene.
S300, a control host acquires control information of a hydraulic control device of the seismic platform; and judging whether the experiencer obeys the preset earthquake escape rule or not according to the acquired control information of the earthquake platform hydraulic control device, the virtual personnel and the virtual personnel motion information constructed in the VR experience helmet and the preset earthquake escape rule in the database.
The control host comprehensively judges whether the experiencer obeys the preset earthquake escape rule or not according to the acquired control information of the analog signal lamp control device, the virtual personnel and the virtual personnel motion information constructed in the VR experience helmet and the preset earthquake escape rule in the database.
And S400, if the fact that the experiencer does not comply with the preset earthquake escape rule in the database is recognized, controlling an alarm module to carry out sound-light alarm.
If the control host identifies that the experiencer does not comply with the preset earthquake escape rule in the database, the control alarm module performs sound-light alarm, so that the experiencer is reminded of complying with the earthquake escape rule in the earthquake escape process in real time, and the experiencer feels the earthquake escape rule more real and close to the ground; the method attracts the active participation of the masses, achieves the aim of improving the training effect and reduces the personal casualties in the earthquake accidents. For example, the earthquake escape rules preset in the database are table legs, head protection parts, no-jump and correct use of escape tools. If the control host machine recognizes that the user does not squat the table legs and the head protection part within the set time or does not correctly use the escape tool when the earthquake occurs, the control host machine controls the alarm module to perform sound-light alarm.
Compared with the prior art, the child earthquake safety education simulation method based on VR provided by the embodiment adopts a VR earthquake safety experience hall, a VR experience helmet, wearable equipment, a control host and an alarm module, wherein the VR experience helmet is used for acquiring relevant earthquake simulation signals of the VR earthquake safety experience hall and presenting a VR earthquake safety virtual reality experience scene corresponding to the VR earthquake safety experience hall; according to the motion attitude data of the experiencer acquired by the wearable equipment, virtual personnel corresponding to the experiencer and virtual personnel motion information corresponding to the motion attitude data of the experiencer are constructed in the presented VR earthquake safety virtual reality experience scene; the control host is used for acquiring control information of the hydraulic control device of the seismic platform; judging whether the experiencer obeys a preset earthquake escape rule or not according to the acquired control information of the earthquake platform hydraulic control device, the virtual personnel and the virtual personnel motion information constructed in the VR experience helmet and the preset earthquake escape rule in the database; and if the experience person is identified not to obey the preset earthquake escape rule in the database, controlling the alarm module to carry out sound-light alarm. The children earthquake safety education simulation method based on VR provided by the embodiment has the advantages that the immersion is strong, the experiencer can feel more real and close to the ground to be subjected to the earthquake escape self-rescue rule, accordingly, the active participation of the masses can be attracted, the purpose of improving the training effect is achieved, and the personal casualties in earthquake accidents are reduced.
Further, as shown in fig. 6, fig. 6 is a schematic flowchart of a VR-based children earthquake safety education simulation method according to a second embodiment of the present invention, and based on the first embodiment, after step S300, the method further includes:
and S500, if the fact that the experiencer obeys the preset earthquake escape rule in the database is recognized, the voice prompt module is adopted to prompt the experiencer to be correct in life-saving and self-rescue method through voice.
If the prompt module identifies that the experiencer obeys the preset earthquake escape rule in the database, the voice prompts the experiencer that the escape self-rescue method is correct. For example, if the control host recognizes that the experiencer squats legs and protects the head within a set time and correctly uses the escape tool when the earthquake comes, the control host controls the prompt module to perform voice prompt to prompt the experiencer that the escape self-rescue method is correct, so that the experiencer feels the escape rule of the earthquake more truly and closely; the method attracts the active participation of the masses, achieves the aim of improving the training effect and reduces the personal casualties in the earthquake accidents.
Compared with the prior art, the child earthquake safety education simulation method based on VR provided by the embodiment has the advantages that the simulation system adopts the VR earthquake safety experience hall, the VR experience helmet, the wearable device, the control host and the prompt module, and if the fact that the experiencer obeys the preset earthquake escape rule in the database is recognized, the voice prompt experiencer escape self-rescue method is correct. The children earthquake safety education simulation method based on VR provided by the embodiment has the advantages that the immersion is strong, the experiencer can feel more real and close to the ground to be subjected to the earthquake escape rule, accordingly, the active participation of the masses can be attracted, the training effect can be improved, and the personal casualties in earthquake accidents can be reduced.
Preferably, referring to fig. 7, fig. 7 is a flowchart illustrating a VR-based children earthquake safety education simulation method according to a third embodiment of the present invention, and based on the first embodiment, step S200 includes:
step S200A, state information of the furnishing objects and the emergency materials in the VR earthquake safety experience hall is obtained through a panoramic camera arranged on the VR experience helmet, and in a VR earthquake safety virtual reality experience scene, virtual reality furnishing objects and virtual reality emergency objects corresponding to the state information of the furnishing objects and the emergency objects are constructed.
The panoramic camera acquires preset state information of the furnishing objects and emergency materials in the VR earthquake safety experience hall, and in the VR earthquake safety virtual reality experience scene, the virtual reality furnishing objects and the virtual reality emergency objects corresponding to the state information of the furnishing objects and the emergency objects are constructed. For example, the virtual reality furnishing item may be a virtual reality table and chair. The virtual reality emergency item may be a virtual reality emergency tool. In this embodiment, if the panoramic camera recognizes that the experiencer is hidden under a desk and protects the head, a corresponding virtual reality desk and virtual personnel head protection action are established in the VR earthquake safety virtual reality experience scene.
Compared with the prior art, the child earthquake safety education simulation method based on VR provided by the embodiment adopts a VR earthquake safety experience hall, a VR experience helmet, wearable equipment, a control host and a prompt module, a panoramic camera on the VR experience helmet is used for acquiring state information of furnishing objects and emergency materials in the VR earthquake safety experience hall, and virtual reality furnishing objects and virtual reality emergency objects corresponding to the state information of the furnishing objects and the emergency objects are constructed in a VR earthquake safety virtual reality experience scene. The children earthquake safety education simulation method based on VR provided by the embodiment has the advantages that the immersion is strong, the experiencer can feel more real and close to the ground to be subjected to the earthquake escape rule, accordingly, the active participation of the masses can be attracted, the training effect can be improved, and the personal casualties in earthquake accidents can be reduced.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A VR-based children earthquake safety education simulation system is characterized by comprising a VR earthquake safety experience hall (10), a VR experience helmet (20), wearable equipment (30), a control host (40) and an alarm module (50),
a seismic simulation platform is arranged in the VR seismic safety experience hall (10), and comprises a seismic platform and a seismic platform hydraulic control device (11) which is connected with the seismic platform and is used for controlling the seismic platform to act;
the wearable device (30) is used for acquiring motion posture data of an experiencer;
the VR experience helmet (20) is respectively connected with the seismic platform hydraulic control device (11) and the wearable device (30), and is used for acquiring relevant seismic simulation signals of the VR seismic safety experience hall (10) and presenting a VR seismic safety virtual reality experience scene corresponding to the VR seismic safety experience hall (10); according to the motion posture data of the experiencer acquired by the wearable device (30), virtual personnel corresponding to the experiencer and virtual personnel motion information corresponding to the motion posture data of the experiencer are constructed in the presented VR earthquake safety virtual reality experience scene;
the control host (40) is respectively connected with the seismic platform hydraulic control device (11), the wearable equipment (30), the VR experience helmet (20) and the alarm module (50) and is used for acquiring control information of the seismic platform hydraulic control device (11); judging whether the experiencer obeys a preset earthquake escape rule or not according to the acquired control information of the earthquake platform hydraulic control device (11), the virtual personnel and virtual personnel motion information constructed in the VR experience helmet (20) and the preset earthquake escape rule in a database; and if the experiencer is identified not to obey the preset earthquake escape rule in the database, controlling the alarm module (50) to carry out sound-light alarm.
2. The VR-based children seismic safety education simulation system of claim 1,
the VR-based children earthquake safety education simulation system also comprises a voice prompt module (60),
the voice prompt module (60) is used for being connected with the control host (40) and is used for prompting the experiencer to be correct in an escape self-rescue method if the experiencer is recognized to obey the preset earthquake escape rule in the database.
3. The VR-based children seismic safety education simulation system of claim 1,
be equipped with panorama camera (21) on VR experience helmet (20), panorama camera (21) are used for acquireing the state information of furnishing article and emergent material in VR earthquake safety experience shop (10), and in VR earthquake safety virtual reality experience scene, the construction with the furnishing article with the emergent article's corresponding virtual reality of state information sets up article and virtual reality emergent article.
4. The VR-based children seismic safety education simulation system of claim 1,
the hydraulic control device (11) of the earthquake platform comprises a hydraulic oil tank (111), a motor (112), a hydraulic pump (113), an electric proportional multi-way valve (114), a hydraulic oil cylinder (115) and an electric proportional overflow valve (116), wherein,
the motor (112) is used for driving the hydraulic pump (113) to pump hydraulic oil in the hydraulic oil tank (111) into a pressure oil port P of the electric proportional multi-way valve (114); a working oil port A and a working oil port B of the electric proportional multi-way valve (114) are communicated with a cavity of the hydraulic oil cylinder (115); and a load-sensitive limited pressure output port LSA of the electric proportional multi-way valve (114) is respectively connected with a feedback oil circuit of the working oil port A and the electric proportional overflow valve (116), and a cavity of the hydraulic oil cylinder (115) is provided with a piston rod (1151) for connecting with the seismic platform.
5. The VR-based children seismic safety education simulation system of claim 4,
the hydraulic control device (11) of the earthquake platform also comprises an oil return pipeline (117),
and the oil return port T of the electric proportional multi-way valve (114) is connected to the hydraulic oil tank (111) through the oil return pipeline (117).
6. The VR-based children seismic safety education simulation system of claim 4,
and a high-pressure filter (118) is arranged between the hydraulic pump (113) and the electric proportional multi-way valve (114).
7. The VR-based children seismic safety education simulation system of claim 4,
an oil return filter (1171) and a radiator (1172) are arranged on the oil return pipeline (117), and an oil suction ball valve (119) is arranged between the hydraulic pump (113) and the hydraulic oil tank (111).
8. A VR-based children earthquake safety education simulation method is characterized by comprising the following steps:
acquiring motion attitude data of an experiencer by adopting wearable equipment;
acquiring relevant earthquake simulation signals of the VR earthquake safety experience hall through a VR experience helmet, and presenting a VR earthquake safety virtual reality experience scene corresponding to the VR earthquake safety experience hall; according to the motion posture data of the experiencer acquired by the wearable equipment, virtual personnel corresponding to the experiencer and virtual personnel motion information corresponding to the motion posture data of the experiencer are constructed in the presented VR earthquake safety virtual reality experience scene;
the control host acquires control information of the hydraulic control device of the seismic platform; judging whether the experiencer complies with a preset earthquake escape rule or not according to the acquired control information of the earthquake platform hydraulic control device, the virtual personnel and virtual personnel motion information constructed in the VR experience helmet and the preset earthquake escape rule in a database;
and if the experiencer is identified not to comply with the preset earthquake escape rule in the database, controlling the alarm module to carry out sound-light alarm.
9. The VR-based childhood earthquake safety education simulation method of claim 8,
the step of judging whether the experiencer complies with a preset earthquake escape rule or not according to the acquired control information of the earthquake platform hydraulic control device, the virtual personnel and virtual personnel motion information constructed in the VR experience helmet and the preset earthquake escape rule in a database further comprises the following steps:
if the fact that the experiencer obeys the preset earthquake escape rule in the database is recognized, a voice prompt module is adopted to prompt the experiencer to be correct in life-saving and self-rescue method through voice.
10. The VR-based childhood earthquake safety education simulation method of claim 8,
the step of obtaining relevant earthquake analog signals of the VR earthquake safety experience hall through the VR experience helmet and presenting the VR earthquake safety virtual reality experience scene corresponding to the VR earthquake safety experience hall comprises the following steps:
experience the panoramic camera that is equipped with on the helmet through VR and acquire the state information who sets up article and emergent material in the storehouse is experienced to VR earthquake safety, and in VR earthquake safety virtual reality experience scene, the construction with set up the article with the emergent article is set up article and the emergent article of virtual reality that the state information of emergent article corresponds.
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