阅读说明：本技术 基于vr的新能源汽车安全教育虚拟体验系统及其使用方法 (New-energy automobile safety education virtual experience system and its application method based on VR ) 是由 李立 张艺 汪贵平 雷旭 朱进玉 张汉勋 关丽敏 于 2019-08-27 设计创作，主要内容包括：本发明公开了基于VR的新能源汽车安全教育虚拟体验系统及其使用方法,体验者站在体感低音频振动台上,操作手柄选择事故场景模块,虚拟现实头戴式显示设备显示选择的事故场景模块中的会引发汽车安全事故的错误操作的文字提示信息,根据提示信息继续操作,虚拟现实头戴式显示设备显示发生安全事故时的虚拟场景,同时,工业控制计算机接收事故声音模块发送的事故声音信息,并将接收到的事故声音信息发送给体感低音频振动台,工业控制计算机控制体感低音频振动台振动。本发明能模拟新能源汽车在维修过程中存在的安全隐患,还原事故现场,给予体验者警示作用；规范体验者在维修新能源汽车过程中的操作,降低新能源汽车维修过程中事故发生的可能性。(The invention discloses new-energy automobile safety education virtual experience systems and its application method based on VR, experiencer stands on body-sensing bass shake table, operation handle selects accident scene module, virtual reality head-mounted display apparatus shows that the meeting in the accident scene module of selection causes the text prompt information of the faulty operation of automobile safety accident, continue to operate according to prompt information, virtual scene when safety accident occurs for the display of virtual reality head-mounted display apparatus, simultaneously, industrial control computer receives the accident acoustic information that accident sound module is sent, and the accident acoustic information received is sent to body-sensing bass shake table, industrial control computer controls the vibration of body-sensing bass shake table.The present invention can simulate new-energy automobile security risk present in maintenance process, restore the scene of the accident, give experiencer's warning function；Operation of specification experiencer during repairing new-energy automobile reduces a possibility that accident occurs in new-energy automobile maintenance process.)

1. a kind of new-energy automobile safety education virtual experience system based on VR characterized by comprising host, crossfire box, Virtual reality head-mounted display apparatus, industrial control computer, body-sensing bass shake table and operation handle；

The host includes accident scene module and accident sound module, and the accident scene module is pacified for constructing automobile Virtual scene when full accident, and the text that can cause the faulty operation of automobile safety accident is provided in the accident scene module Word prompts and avoids to cause the text prompt of the correct operation of automobile safety accident；The accident sound module for be arranged with The corresponding simulated accident sound of accident scene；

The crossfire box is connect with the host, when safety accident occurs for receiving the automobile that the accident scene module is sent Virtual scene information, can cause automobile safety accident faulty operation text prompt information and avoid cause automotive safety thing Therefore correct operation text prompt information；

The virtual reality head-mounted display apparatus is connect with the crossfire box, for showing the automobile of accident scene module building Occur safety accident when virtual scene, can cause automobile safety accident faulty operation text prompt information and avoid causing The text prompt information of the correct operation of automobile safety accident；

The industrial control computer is connect with the host and the body-sensing bass shake table respectively, the Industry Control meter Calculation machine is used to receive the accident acoustic information that the accident sound module is sent, and the accident acoustic information received is sent to The body-sensing bass shake table, the body-sensing bass shake table are converted to vibration frequency for that will receive accident acoustic information Rate, and the body-sensing bass shake table is controlled by the industrial control computer and is vibrated；

The operation handle is connect with the host, for realizing the man-machine interactive operation under virtual environment.

2. a kind of new-energy automobile safety education virtual experience system based on VR according to claim 1, feature exist In further including video distributor；

The virtual reality head-mounted display apparatus includes that a main virtual reality head-mounted display apparatus and several points are virtual existing Real head-mounted display apparatus, the main virtual reality head-mounted display apparatus are connect with the crossfire box, the crossfire box and institute Video distributor connection is stated, it is each described that virtual reality head-mounted display apparatus is divided to connect with the video distributor, each Described point of virtual reality head-mounted display apparatus shows that content and the main virtual reality head-mounted display apparatus show content one It causes.

3. a kind of new-energy automobile safety education virtual experience system based on VR according to claim 1, feature exist In further including audio distribution device and loudspeaker；

The industrial control computer is connect with the audio distribution device, the audio distribution device and the body-sensing bass frequency vibration Platform connection, the audio distribution device are used to audio signal being assigned to the body-sensing bass shake table；

The loudspeaker is connect with the host, and the loudspeaker is for playing accident sound.

4. a kind of new-energy automobile safety education virtual experience system based on VR according to claim 1, feature exist In, further include laser locator, the laser locator respectively with the host and the virtual reality head-mounted display apparatus It is communicated by laser, the laser locator is used to limit the sphere of action of virtual scene.

5. a kind of new-energy automobile safety education virtual experience system based on VR according to claim 1, feature exist In the accident scene module includes lifting machine falling accident scene module, high pressure electric shock accidents scene module, fire incident field Scape module, refrigerant bottle explosion accident scene module and car accident scene module.

6. a kind of new-energy automobile safety education virtual experience system based on VR according to claim 1, feature exist In the operation handle is connected with the host by laser signal.

7. a kind of new-energy automobile safety education virtual experience system based on VR according to claim 1, feature exist In the industrial control computer is connect by cable with the host.

8. a kind of new-energy automobile safety education virtual experience system according to claim 1-8 based on VR Application method, it is characterised in that: starting experiencing system, experiencer stand on the body-sensing bass shake table, pass through the behaviour Make handle selection accident scene module, the virtual reality head-mounted display apparatus shows the meeting in the accident scene module of selection The text prompt information for causing the faulty operation of automobile safety accident, according to the text for the faulty operation that can cause automobile safety accident Word prompt information continues to operate, and virtual scene when safety accident occurs for the virtual reality head-mounted display apparatus display, together When, the industrial control computer receives the accident acoustic information that the accident sound module is sent, and the accident that will be received Acoustic information is sent to the body-sensing bass shake table, and the body-sensing bass shake table will receive accident acoustic information and turn It is changed to vibration frequency, and the body-sensing bass shake table is controlled by the industrial control computer and is vibrated.

9. the application method of the new-energy automobile safety education virtual experience system according to claim 8 based on VR, Be characterized in that: student station divides virtual reality head-mounted display apparatus on the body-sensing bass shake table, and described in wearing, always Teacher wears the main virtual reality head-mounted display apparatus, and selects accident scene module by the operation handle, passes through institute Video distributor is stated to wear the content assignment that main virtual reality head-mounted display apparatus is shown to each point virtual reality Formula shows that equipment is shown；The loudspeaker plays accident sound.

Technical field

The invention belongs to experimental teaching fields, and in particular to the new-energy automobile safety education virtual experience system based on VR And its application method.

Background technique

In recent years, with the development of social economy and the raising of living standards of the people, automobile enters into more and more Common people family, with being continuously increased for car ownership, automobile consumption is also being continuously increased.Meanwhile caused by motor vehicle emission Environmental pollution has become the main reason for each urban atmospheric pollution, develops new-energy automobile and has become the most important thing.Currently, China New-energy automobile development is very rapid, and each cart enterprise joins in the research and development and sale of new-energy automobile one after another, new-energy automobile Yield initially entered blowout state from 2014, and growth rate is more than 15%, and the growth rate estimation later period also will increase, market prospects It is very wide.

Compared with the fast development of new-energy automobile, the culture of the new-energy automobile field correlation talent is in opposite In sluggish state.Compared with the industrialization of orthodox car maturation, new-energy automobile lacks relevant system, and talent shortage is especially It is that the relevant technologies maintenance talent shortage is huge, estimates 2025, related talent shortage can reaches million or so, related talent's training It supports extremely urgent.

Currently, the teaching of related School of High Profession Technology remains in traditional training method: lecturing relevant theory on classroom Knowledge, the accident video played on network are warned to student, and correlation student collective, class undertissue carries out collective in real training workshop and says It awards or is dismounted in batch.But this traditional training method has obvious deficiency: there are high pressures when practical operation The situations such as electricity, vehicle hoisting and contact combustibles, there is serious security risk.These security risks can not often be taught by tradition Be exposed directly to student, thus student also can not intuitively, profoundly recognize the risk of faulty operation；If to impart knowledge to students as mesh Manufacture safety accident as demonstration, then it is excessively high to demonstrate cost；If using accident video on network as teaching material, student The shocking of the scene of the accident can not closely be experienced, impression is not deep enough, it is difficult to realize instructional objective.Whenever these security risks When causing the accident, serious consequence will be caused.

Summary of the invention

For in the prior art the technical issues of, the present invention provides the new-energy automobile safety education Dummies based on VR Check system and its application method make student focus in learning process, mention its object is to improve student's learning interest Learning effect is risen, and the scene of the accident can be restored, gives experiencer's warning function, specification experiencer is in maintenance new-energy automobile process In operation, improve awareness of safety of the experiencer in practical operation.

In order to solve the above technical problems, the present invention is achieved by the following technical programs:

A kind of new-energy automobile safety education virtual experience system based on VR, comprising: host, crossfire box, virtual reality Head-mounted display apparatus, industrial control computer, body-sensing bass shake table and operation handle；

The host includes accident scene module and accident sound module, and the accident scene module is for constructing automobile hair Virtual scene when raw safety accident, and the faulty operation that can cause automobile safety accident is provided in the accident scene module Text prompt and avoid cause automobile safety accident correct operation text prompt；The accident sound module is for setting Set simulated accident sound corresponding with accident scene；

The crossfire box is connect with the host, and safe thing occurs for receiving the automobile that the accident scene module is sent Therefore when virtual scene information, can cause automobile safety accident faulty operation text prompt information and avoid cause automobile peace The text prompt information of the correct operation of full accident；

The virtual reality head-mounted display apparatus is connect with the crossfire box, for showing the building of accident scene module Automobile occur safety accident when virtual scene, can cause automobile safety accident faulty operation text prompt information and avoid Cause the text prompt information of the correct operation of automobile safety accident；

The industrial control computer is connect with the host and the body-sensing bass shake table respectively, the industry control Computer processed is used to receive the accident acoustic information that the accident sound module is sent, and the accident acoustic information received is sent out The body-sensing bass shake table is given, the body-sensing bass shake table is converted to vibration for that will receive accident acoustic information Dynamic frequency, and the body-sensing bass shake table is controlled by the industrial control computer and is vibrated；

The operation handle is connect with the host, for realizing the man-machine interactive operation under virtual environment.

It further, further include video distributor；

The virtual reality head-mounted display apparatus includes a main virtual reality head-mounted display apparatus and several points of void Quasi- reality head-mounted display apparatus, the main virtual reality head-mounted display apparatus are connect with the crossfire box, the crossfire box It is connect with the video distributor, it is each described that virtual reality head-mounted display apparatus is divided to connect with the video distributor, It is each described to divide in virtual reality head-mounted display apparatus shows that content and the main virtual reality head-mounted display apparatus are shown Hold consistent.

It further, further include audio distribution device and loudspeaker；

The industrial control computer is connect with the audio distribution device, the audio distribution device and the body-sensing bass Shake table connection, the audio distribution device are used to audio signal being assigned to the body-sensing bass shake table；

The loudspeaker is connect with the host, and the loudspeaker is for playing accident sound.

Further, further include laser locator, the laser locator respectively with the host and the virtual reality Head-mounted display apparatus is communicated by laser, and the laser locator is used to limit the sphere of action of virtual scene.

Further, the accident scene module includes lifting machine falling accident scene module, high pressure electric shock accidents scene Module, fire incident scene module, refrigerant bottle explosion accident scene module and car accident scene module.

Further, the operation handle is connected with the host by laser signal.

Further, the industrial control computer is connect by cable with the host.

A kind of application method of the new-energy automobile safety education virtual experience system based on VR are as follows: starting experiencing system, Experiencer stands on the body-sensing bass shake table, selects accident scene module by the operation handle, described virtual existing Real head-mounted display apparatus shows that the meeting in the accident scene module of selection causes the text of the faulty operation of automobile safety accident Prompt information continues to operate according to the text prompt information for the faulty operation that can cause automobile safety accident, the virtual reality Virtual scene when safety accident occurs for head-mounted display apparatus display, meanwhile, the industrial control computer receives the thing Therefore the accident acoustic information that sound module is sent, and the accident acoustic information received is sent to the body-sensing bass frequency vibration Platform, the body-sensing bass shake table will receive accident acoustic information and be converted to vibration frequency, and by the Industry Control meter Calculation machine controls the body-sensing bass shake table vibration.

Further, student station divides virtual reality wear-type aobvious on the body-sensing bass shake table, and described in wearing Show equipment, teacher wears the main virtual reality head-mounted display apparatus, and selects accident scene mould by the operation handle Block, the content assignment for being shown main virtual reality head-mounted display apparatus by the video distributor are virtual to each described point Real head-mounted display apparatus is shown；The loudspeaker plays accident sound.

Compared with prior art, the present invention at least has the advantages that a kind of new energy vapour based on VR of the present invention Vehicle safety education virtual experience system, experiencer stand on body-sensing bass shake table, select accident scene by operation handle Module, virtual reality head-mounted display apparatus show that the meeting in the accident scene module of selection causes the mistake of automobile safety accident The text prompt information of operation continues to operate according to the text prompt information for the faulty operation that can cause automobile safety accident, empty Virtual scene when safety accident occurs for quasi- reality head-mounted display apparatus display, meanwhile, industrial control computer receives accident The accident acoustic information that sound module is sent, and the accident acoustic information received is sent to body-sensing bass shake table, body Sense bass shake table will receive accident acoustic information and be converted to vibration frequency, and low by industrial control computer control body-sensing The vibration of audio frequency vibration platform.As it can be seen that the present invention uses VR technology, student's learning interest is improved, makes to learn by the scene really shaken Member focuses in learning process, promotes learning effect；New-energy automobile can be simulated by Virtual Simulation repairing Existing security risk in the process restores the scene of the accident, gives experiencer's warning function；Specification experiencer is in maintenance new energy vapour Operation during vehicle improves awareness of safety of the experiencer in practical operation, to reduce accident in new-energy automobile maintenance process A possibility that generation；And the present invention can reduce accident and show cost, will be unable to show or show that accident scene at high cost is logical It crosses VR technology directly to show, and hardly consumes any manpower or material resources.To sum up, the present invention can pass through Virtual Simulation New-energy automobile security risk present in maintenance process is simulated, the scene of the accident is restored, gives experiencer's warning function；Specification Operation of experiencer during repairing new-energy automobile improves awareness of safety of the experiencer in practical operation, to reduce new energy A possibility that accident occurs during the auto repair of source.

Further, virtual reality head-mounted display apparatus includes a main virtual reality head-mounted display apparatus and several Divide virtual reality head-mounted display apparatus, main virtual reality head-mounted display apparatus is connect with crossfire box, crossfire box and video point Orchestration connection, each divides virtual reality head-mounted display apparatus to connect with video distributor, such design can be realized Raw station wears on body-sensing bass shake table and divides virtual reality head-mounted display apparatus, and teacher wears main virtual reality head It wears formula and shows equipment, and by operation handle selection accident scene module, by video distributor by main virtual reality wear-type The content assignment that display equipment is shown is shown to each point virtual reality head-mounted display apparatus.I.e. teacher is according to field research feelings Condition can flexibly change the content of courses, and video distributor can be real by the visual field of the main display equipment of virtual reality wear-type When be transformed into point in the visual field of display equipment, realize the function of the more people's viewings of one man operation.

Further, loudspeaker plays sound when accident occurs, and enhances the actual experience sense of student, accident reduction degree Height, gives experiencer's warning function, and operation of better specification experiencer during repairing new-energy automobile improves experiencer Awareness of safety in practical operation, to reduce a possibility that accident occurs in new-energy automobile maintenance process.

Further, laser locator is responsible for defining the use scope of virtual reality head-mounted display apparatus, is experiencer Specified activities range, while transmitting signals to headset equipment and control handle.

To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate Appended attached drawing, is described in detail below.

Detailed description of the invention

In order to illustrate more clearly of the technical solution in the specific embodiment of the invention, specific embodiment will be retouched below Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is some realities of the invention Mode is applied, it for those of ordinary skill in the art, without creative efforts, can also be attached according to these Figure obtains other attached drawings.

Fig. 1 is VR software basic boom figure；

Fig. 2 is the production flow diagram of VR program；

Fig. 3 is the programming flowchart of new-energy automobile safety education virtual experience system；

Fig. 4 is the working principle diagram of new-energy automobile safety education virtual experience system.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, shall fall within the protection scope of the present invention.

A kind of new-energy automobile safety education virtual experience system based on VR of the present invention, comprising: host, crossfire box, void Quasi- reality head-mounted display apparatus, industrial control computer, body-sensing bass shake table, operation handle, video distributor, audio Distributor and laser locator；

Host includes accident scene module and accident sound module, and for constructing automobile safe thing occurs for accident scene module Therefore when virtual scene, and be provided in accident scene module the text prompt for the faulty operation that can cause automobile safety accident with And avoid causing the text prompt of the correct operation of automobile safety accident；Accident sound module is corresponding with accident scene for being arranged Simulated accident sound.

Crossfire box is connect with host, crossfire box by HDMI and USB interface realize virtual reality head-mounted display apparatus with The communication of host, crossfire box be used for receive accident scene module transmission automobile occur safety accident when virtual scene information, The text prompt information of the faulty operation of automobile safety accident can be caused and avoid causing the correct operation of automobile safety accident Text prompt information.

Virtual reality head-mounted display apparatus is used to show when safety accident occurs for the automobile of accident scene module building Virtual scene, can cause automobile safety accident faulty operation text prompt information and avoid cause automobile safety accident just The text prompt information really operated；Virtual reality head-mounted display apparatus include main virtual reality head-mounted display apparatus and Several points of virtual reality head-mounted display apparatus, main virtual reality head-mounted display apparatus are connect with crossfire box, crossfire box and view The connection of frequency division orchestration, each divides virtual reality head-mounted display apparatus to connect with video distributor, each divides virtual reality head It wears formula and shows that equipment shows that content shows that content is consistent with main virtual reality head-mounted display apparatus.In the application, student wears Divide virtual reality head-mounted display apparatus, teacher wears main virtual reality head-mounted display apparatus, and passes through operation handle and select Accident scene module, the content assignment for being shown main virtual reality head-mounted display apparatus by video distributor are empty to each point Quasi- reality head-mounted display apparatus is shown.

Industrial control computer is connect with host and body-sensing bass shake table respectively, and industrial control computer is for receiving The accident acoustic information that accident sound module is sent, and the accident acoustic information received is sent to body-sensing bass frequency vibration Platform, body-sensing bass shake table is converted to vibration frequency for that will receive accident acoustic information, and is calculated by Industry Control Machine controls the vibration of body-sensing bass shake table；Specifically, body-sensing bass shake table includes several power amplifiers, control meter Calculation machine is connect by cable with host, and industrial control computer is connect with audio distribution device, audio distribution device with do not have each power Amplifier connection, audio distribution device are used to audio signal being assigned to each power amplifier on body-sensing bass shake table, Power amplifier is used to keep body-sensing bass shake table vibrating effect good audio signal amplification.In the present embodiment, it is provided with four A power amplifier.

Laser locator is communicated with host and virtual reality head-mounted display apparatus by laser respectively, laser positioning Device is used to limit the sphere of action of virtual scene.Laser locator determines the position of head-mounted display apparatus by infrared ray.

Operation handle is connected with host by laser signal, for realizing the man-machine interactive operation under virtual environment.Manipulation Handle is responsible for realizing that experiencer passes through the interaction between laser locator and VR software module, on the one hand, receives the control of experiencer Signal processed, and signal is passed into laser locator, then signal is transmitted to host by laser locator, trigger corresponding program；Separately On the one hand, responder is transmitted to laser locator by VR software module, and laser locator controls handle and generates vibration, and enhancing uses The experience sense of person.

It is connect as a certain preferred embodiment of the invention, including loudspeaker, loudspeaker with host, loudspeaker is for playing Accident sound.

In the present embodiment, accident scene module includes lifting machine falling accident scene module, high pressure electric shock accidents scene mould Block, fire incident scene module, refrigerant bottle explosion accident scene module and car accident scene module.

Specifically, experiencer's wearing virtual reality wear-type, which is shown, to be set when carrying out the experience of lifting machine falling accident scene Standby station selects lifting machine falling accident scene module on body-sensing bass shake table, through operation handle, and virtual reality is worn Formula shows that equipment shows that the meeting in the lifting machine falling accident scene module of selection causes the faulty operation of lifting machine falling accident Text prompt information, experiencer continues to grasp according to the text prompt information for the faulty operation that can cause lifting machine falling accident Make, virtual scene when lifting machine falling accident, lifting machine in virtual scene occur for the display of virtual reality head-mounted display apparatus Experiencer is pounded from top to bottom, meanwhile, industrial control computer receives the accident sound letter that corresponding accident sound module is sent Breath, and the accident acoustic information received is sent to body-sensing bass shake table, body-sensing bass shake table will receive thing Therefore acoustic information is converted to vibration frequency, and by industrial control computer control body-sensing bass shake table vibration；Pass through shock Effect warning experiencer will avoid carrying out similar faulty operation in practical operation.Provided after scene correct operation voice and Text prompt.

Similarly, when carrying out the experience of high pressure electric shock accidents scene, experiencer wears virtual reality head-mounted display apparatus station On body-sensing bass shake table, high pressure electric shock accidents scene module is selected by operation handle, virtual reality wear-type is shown Equipment shows that the meeting in the high pressure electric shock accidents scene module of selection causes the text prompt of the faulty operation of high pressure electric shock accidents Information, experiencer continue to operate according to the text prompt information for the faulty operation that can cause high pressure electric shock accidents, virtual reality head It wears formula and shows that equipment is shown since misoperation is shocked by electricity dead virtual scene by the high voltage direct current in new-energy automobile, together When, industrial control computer receives the accident acoustic information that corresponding accident sound module is sent, and the accident sound that will be received Message breath is sent to body-sensing bass shake table, and body-sensing bass shake table will receive accident acoustic information and be converted to vibration frequency Rate, and by industrial control computer control body-sensing bass shake table vibration；Warn experiencer in practical operation by shock effect It avoids carrying out similar faulty operation.The voice and text prompt of correct operation are provided after scene.

When carrying out the experience of fire incident scene, experiencer wears virtual reality head-mounted display apparatus station in body-sensing bass On frequency vibration platform, fire incident scene module is selected by operation handle, virtual reality head-mounted display apparatus shows selection Meeting in fire incident scene module causes the text prompt information of the faulty operation of fire incident, and experiencer is according to can cause fire The text prompt information of the faulty operation of calamity accident continues to operate, and fire incident occurs for the display of virtual reality head-mounted display apparatus When virtual scene, in virtual scene new-energy automobile in face of experiencer explosion of fighting, meanwhile, industrial control computer connects The accident acoustic information that corresponding accident sound module is sent is received, and the accident acoustic information received is sent to body-sensing bass Frequency vibration platform, body-sensing bass shake table will receive accident acoustic information and be converted to vibration frequency, and be calculated by Industry Control Machine controls the vibration of body-sensing bass shake table；Experiencer is warned to avoid carrying out similar mistake in practical operation by shock effect Operation.The voice and text prompt of correct operation are provided after scene.

When carrying out the experience of refrigerant bottle explosion accident scene, experiencer wears virtual reality head-mounted display apparatus station in body Feel on bass shake table, refrigerant bottle explosion accident scene module is selected by operation handle, virtual reality wear-type, which is shown, to be set The text for the faulty operation that the standby meeting shown in the refrigerant bottle explosion accident scene module of selection causes the explosion accident of refrigerant bottle mentions Show information, experiencer continues to operate according to the text prompt information for the faulty operation that can cause refrigerant bottle explosion accident, virtual existing The virtual scene when explosion accident of refrigerant bottle occurs for real head-mounted display apparatus display, the refrigerant of new-energy automobile in virtual scene Bottle explodes in face of experiencer, meanwhile, industrial control computer receives the accident sound letter that corresponding accident sound module is sent Breath, and the accident acoustic information received is sent to body-sensing bass shake table, body-sensing bass shake table will receive thing Therefore acoustic information is converted to vibration frequency, and by industrial control computer control body-sensing bass shake table vibration；Pass through shock Effect warning experiencer will avoid carrying out similar faulty operation in practical operation.Provided after scene correct operation voice and Text prompt.

When carrying out the experience of car accident scene, experiencer wears virtual reality head-mounted display apparatus station in body-sensing bass On frequency vibration platform, car accident scene module is selected by operation handle, virtual reality head-mounted display apparatus shows selection Meeting in car accident scene module causes the text prompt information of the faulty operation of car accident, and experiencer hits according to can cause The text prompt information of the faulty operation of vehicle accident continues to operate, and car accident occurs for the display of virtual reality head-mounted display apparatus When virtual scene, new-energy automobile hits experiencer in virtual scene, meanwhile, industrial control computer receives corresponding accident The accident acoustic information that sound module is sent, and the accident acoustic information received is sent to body-sensing bass shake table, body Sense bass shake table will receive accident acoustic information and be converted to vibration frequency, and low by industrial control computer control body-sensing The vibration of audio frequency vibration platform；Experiencer is warned to avoid carrying out similar faulty operation in practical operation by shock effect.Scene knot The voice and text prompt of correct operation are provided after beam.

As shown in Figure 1, a kind of new-energy automobile safety education virtual experience system based on VR of the present invention, includes lifting Machine falls, high pressure is got an electric shock, fire incident, refrigerant bottle explode and five kinds of accident scenes of car accident.This five part covers new energy The highest accident pattern of risk in the practical maintenance process of source automobile, while summarizing the faulty operation for causing these five types of accidents. Usually there is a situation where good positioning pins unlocked before lifting vehicle for lifting machine falling accident；The generation of high pressure electric shock accidents is being examined Not the case where not disconnecting service switch before repairing；There is a situation where do not complete charging before being charged to examine for fire incident；Refrigerant There is a situation where in addition refrigerant mode mistake for bottle explosion accident；It is unstable that the stop position in maintenance process occurs for car accident And the case where not pulling the hand brake.Make experiencer have specific cognition to safety operation process by these scenes, avoids in practical operation The danger that can not be retrieved is caused in the process.

As shown in Fig. 2, the facilities such as production flow diagram of VR program, including body structure, maintenance tool, workshop appliance, first First above-mentioned model is measured, 1:1 model is established using 3 d modeling software SolidWorks, is exported to all types File；The importing of file derived from SolidWorks 3ds MAX is tested, SAT formatted file is optimal models after tested；It will All SAT formatted files import 3ds MAX and carry out model optimization and textures, then by the partial model of vehicle according to practical progress Assembly, after the assembly is completed carry out high-low pressure cabling, by cabling complete model export as FBX model, needed for X-Y scheme Picture is handled by Photoshop；Building for scene space is first carried out using Unity, then imports FBX model In the scene of Unity, the programming interacted using C# language imports SteamVR plug-in unit, setting in the program of scene The triggering moment and vibration duration of control handle；It is at the appointed time issued and is instructed to industrial personal computer by TCP, industrial personal computer exports sound Frequently, audio signal drives the vibration of body-sensing bass shake table after audio-frequency amplifier amplifies.Complete scene construction, people and scene Between interaction after, ultimately generate VR software.

As shown in figure 3, the workflow of new-energy automobile safety education virtual experience system are as follows: accessing system first, SteamVR carries out virtual reality head-mounted display apparatus, the matching of control handle and inspection work, after all going well, into field Scape selects the page；Next selects scene to be experienced；Into after corresponding scene, click starts, and is moved according to system prompt And operation；When encountering the operation for needing to judge, experiencer needs voluntarily to select to operate in next step, if selection is correctly to grasp Make, then can follow the prescribed order and complete all operations, final end scene will lead to safety if selection is faulty operation The generation of accident, experiencer can intuitively experience the risk of the scene of the accident, and after accident, system can provide correct operation Prompt, last end scene.

As shown in figure 4, the working principle of new-energy automobile safety education virtual experience system are as follows: host is torn open equipped with VR automobile Training system software is filled, the new-energy automobile safety education virtual experience system based on VR includes that lifting machine falls, is high Press electric shock, fire incident, five kinds of explosion of refrigerant bottle, car accident accident scenes.Signal is dealt into crossfire box and industrial personal computer by host On；Crossfire box receives the signal sent from host, sends a signal to main virtual reality head-mounted display apparatus, while by signal It is passed in each point of display equipment by distributor, main virtual reality head-mounted display apparatus is worn by teacher, and each point virtual existing Real head-mounted display apparatus is worn by student, respectively receives the signal that transmitting comes, for showing 1:1 virtual vehicle within sweep of the eye Between environment, to realize that a main display equipment drives multiple points of display equipment, realization is imparted knowledge to students purposes.Industrial personal computer and host simultaneously It is connected by cable and is connected with audio distribution device, received the instruction from host and export audio, and audio signal is passed to Audio distribution device；Audio distribution device is connected with shake table, and audio signal is amplified to pass to shake table；Shake table is driven to receive The audio signal that transmitting comes, and vibration is converted by corresponding audio signal.Operation handle passes through with host and laser locator Laser signal is communicated, for realizing the man-machine interactive operation under virtual environment；Laser locator and host and virtual reality Head-mounted display apparatus is communicated by laser, for limiting the sphere of action of virtual scene.Each equipment collaboration cooperates, and is Experiencer provides one and experiences scene close to true accident.

Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.