CN108389455A - A kind of machine security protection virtual reality tutoring system - Google Patents
A kind of machine security protection virtual reality tutoring system Download PDFInfo
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- CN108389455A CN108389455A CN201810092885.0A CN201810092885A CN108389455A CN 108389455 A CN108389455 A CN 108389455A CN 201810092885 A CN201810092885 A CN 201810092885A CN 108389455 A CN108389455 A CN 108389455A
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Abstract
The present invention provides a kind of machine securities, and virtual reality tutoring system, including risk assessment experiment module, safe distance experiment module, safety device experiment module and security protection to be protected to examine experiment module；Wherein risk assessment experiment module is used to learn the content of mechanical foundation for security standard risk assessment principle；Safe distance experiment module is used to learn the content in mechanical safety general standard, learns how design grid format fixed protection fence；Safety device experiment module is used to learn the content in mechanical safety general standard, learns how to utilize safety interlock switch, safety pad, safe light curtain and safe laser scanner design machine security guard system；Study situation of the security protection examination experiment module setting virtual scene model for examining risk assessment, safe distance and safety device associated mechanical safety standard, virtual scene model includes all models in risk assessment experiment module, safe distance experiment module and safety device experiment module.
Description
Technical field
The present invention relates to a kind of Machinery Safety Technology, especially a kind of machine security protects virtual reality tutoring system.
Background technology
Machine security is the guarantee of the manufacturing industry survival and development, is related to various aspects and the people of national economic development
It is healthy and safe.Since there are unsafe acts there are unsafe condition, people for machinery, can all cause every year a large amount of industrial accident and
Property loss.According to incompletely statistics, due to the presence of machine security problem, China's manufacturing industry field can all occur thousands of every year
Personal accident accident.Meanwhile also the world is arranged as important evidence in machine security problem by some developed countries and regions
Technical barrier in trade.The safety of machinery is improved, it is that today's society is paid close attention to jointly to prevent or reduce mechanical accident
Problem.Machine security guard system is capable of the safety of the staff and process equipment at safeguard industries scene, avoids staff
There is personal safety accident, the process equipment at scene is avoided to be damaged, reduces loss of the enterprise caused by safety accident.It is high
Equal schools are the important places of talent cultivation, the main power that the talents such as height will design as enterprise product, research and develop, therefore
The research for carrying out the anti-apologetics of machine security in institution of higher education has important practical significance.
Currently, in institution of higher education machine security teaching be mostly by video, picture and security knowledge explain in a manner of be
Main, cannot allowing student, there are one more realistic impressions to machine security, while the learning effect of student can be with teacher
Difference, the difference of teaching method and ambient enviroment influence and generate very big difference.If building corresponding machine security
Laboratory needs to purchase various machine security relevant devices, although can carry out actual operation demonstration in teaching, improves
Teaching efficiency, but this mode is there is also many shortcomings, for example excessive occupied ground, early investment are very high, relevant device
Upgrading and later maintenance input it is big etc..With the development of virtual reality technology, more and more practical teachings are adopted
Emulation platform is built with virtual reality technology, virtual course is designed according to the characteristics of student, reaches teaching effect on the spot in person
Fruit shares classic educational resource.Virtual reality technology is applied in the teaching of machine security guard system, can be cultivated
Student or primary research staff consider the ability of security protection problem in product design, improve the essential safety water of product
It is flat, to ensure the safety of user.
Invention content
The purpose of the present invention is to provide a kind of machine securities to protect virtual reality tutoring system, and mechanical peace is carried out to student
The teaching of full protection.
Realize that the technical solution of the object of the invention is：A kind of machine security protection virtual reality tutoring system, feature exist
In, including risk assessment experiment module, safe distance experiment module, safety device experiment module and security protection examination experiment mould
Block；Wherein
Risk assessment experiment module is for learning mechanical foundation for security standard GB/T 15706-2012 risks assessment principle
Content；
Safe distance experiment module is used to learn the content in mechanical safety general standard GB 23821-200, learns how
Design grid format fixed protection fence；
Safety device experiment module is for learning mechanical safety general standard GB/T 18831-2010, GB/T19876-
Content in 2012 learns how to design machinery using safety interlock switch, safety pad, safe light curtain and safe laser scanner
Security protection system；
Security protection examination experiment module setting virtual scene model is for examining risk assessment, safe distance and safety dress
The study situation of associated mechanical safety standard is set, virtual scene model includes risk assessment experiment module, safe distance experiment mould
All models in block and safety device experiment module.
Compared with prior art, the present invention its remarkable advantage is：
(1) teaching explanation.Student can be allowed to be fully understood from important machine security basic standard related to the universal standard
Content grasps the operation principle and its design method of machine security guard system, learns the application of function of different safety devices.
(2) facilitate illustrative.The structure that mechanical security protection system can be fully shown to student, allows student can be more
Intuitively and easily understand security protection system.
(3) authenticity.Structure, appearance and the function of system can ensure it is consistent with real system, while can be in conjunction with real
Border situation suitably optimizes system structure.
(4) interactivity.Human-computer interaction, real simulation system actual mechanical process, Neng Goushi can be carried out between people and system
The mapping of the repertoire and all operations of existing real system.
(5) property immersed.Can provide vision, the sense of hearing immersion experience, student can independently roam in virtual scene,
Give effect on the spot in person.
The present invention is described further with reference to the accompanying drawings of the specification.
Description of the drawings
Fig. 1 is the functional structure composition figure that machine security of the present invention protects virtual reality tutoring system.
Fig. 2 is the hardware device composition figure that machine security of the present invention protects virtual reality tutoring system.
Fig. 3 is that present system interacts UI design sketch.
Fig. 4 is risk assessment experiment module virtual scene figure of the present invention.
Fig. 5 is safe distance experiment module virtual scene figure of the present invention.
Fig. 6 is that safety interlock switch tests virtual scene figure in safety device experiment module of the present invention.
Fig. 7 is that safety pad tests virtual scene figure in safety device experiment module of the present invention.
Fig. 8 is that safe light curtain tests virtual scene figure in safety device experiment module of the present invention.
Fig. 9 is that safe laser scanner tests virtual scene figure in safety device experiment module of the present invention.
Figure 10 is that experiment module virtual scene figure is examined in security protection of the present invention.
Specific implementation mode
The invention discloses a kind of machine securities to protect virtual reality tutoring system, including risk assessment experiment module, peace
Experiment module is examined in full distance experiment module, safety device experiment module and security protection, as shown in Figure 1.The hardware of the system
Equipment includes immersive VR equipment and graphics workstation.
Immersive VR equipment used in the present embodiment is HTC Vive equipment, which is set by wear-type
Standby, control handle and laser locator composition realize that the three-dimensional immersion of virtual scene is shown using headset equipment, utilize behaviour
It controls handle and realizes man-machine interactive operation, the space orientation of virtual scene is realized using laser locator, as shown in Figure 2.
The function of risk assessment experiment module is study machinery foundation for security standard GB/T 15706-2012《Machine security
General rule risk assessment is designed with risk to reduce》Risk assesses the main contents of principle, learns how analysis and estimated risk.
In the virtual transport operation environment of industrial robot, experience risk, risk is analyzed in identification operation dangerous point, then estimated risk with
It determines the need for reducing risk, by the learning method based on dummy activity environment, experience on the spot in person simultaneously grasps risk
The principle of assessment.The virtual scene model of the module includes industrial robot 1, conveyer belt 2, material 3, electrical power control cabinet 4, shelf
5, real training classroom 6, as shown in Figure 4.System interaction UI is as shown in Figure 3.
The experimental method of risk assessment experiment module is as follows：
S1, system introduce the flow of risk assessment by voice, picture and text；
S2, selection system interaction UI risk analysis options, the industrial robot 1 without safety prevention measure starts in scene
Work；
S3, close contact industrial robot 1 are experienced it and are injured caused by people；
S4, under the voice of system and text prompt, identify all danger source in operating environment；
S5, selection system interaction UI risks evaluate option, and system shows all identified danger sources informations, including
Hazard types, dangerous description and risk class information, consider the measure for taking risk to reduce；
S6, risk assessment experiment terminate.
The function of safe distance experiment module is study machinery safety general standard GB 23821-2009《Machine security is anti-
Only upper and lower extremities touch the safe distance in danger area》In main contents, learn how design grid format fixed protection fence.Pass through
Experience crosses safeguard structure and touches, considers that crossing safeguard structure touches, touches by opening and consider to touch not by opening
With the safety protective fence of design parameter, grasp how height, width, the openings of sizes etc. of design safety protective fence.The mould
The virtual scene model of block includes industrial robot 1, conveyer belt 2, material 3, electrical power control cabinet 4, shelf 5, real training classroom 6, prevents
Guard fence 7, as shown in Figure 5.Wherein, industrial robot 1 carries material 3 and arrives conveyer belt 2；Conveyer belt 2 transports material to shelf 5；
Electrical power control cabinet 4 is loaded on 6 wall of real training classroom, the power on/off for controlling all devices；Several difference protective fences 7 are installed
Around the equipment such as industrial robot, play the role of space isolating and protecting.
The experimental method of safe distance experiment module is as follows：
S1, system introduce upper and lower extremities by voice, picture and text and touch dangerous various modes；
Safeguard structure is crossed in S2, selection system interaction UI and touches option, and industrial robot 1 is added safety protective fence
7a；
S3, experience cross protective fence and touch dangerous injury, analyze dangerous the reason of occurring；
Consider that crossing safeguard structure touches option in S4, selection system interaction UI, industrial robot 1 is added security protection
Fence 7b；
The safe distance requirement that protective fence touches is crossed in S5, study；
Option is touched by opening in S6, selection system interaction UI, industrial robot 1 is added safety protective fence 7c；
S7, experience touch dangerous injury by opening, analyze dangerous the reason of occurring；
Consider to touch option by opening in S8, selection system interaction UI, industrial robot 1 is added safety protective fence
7d；
The safe distance requirement that S9, study are touched by opening；
S10, safe distance experiment terminate.
The safety protective fence 7a cannot be guaranteed personnel safety, and danger can be touched by crossing the fence；The security protection
Fence 7b can ensure personnel safety, and danger will not be touched by crossing the fence；The safety protective fence 7c cannot be guaranteed personnel
Safety can touch danger by fence opening；The safety protective fence 7d can ensure personnel safety, be opened by the fence
Mouth will not touch danger.
The function of safety device experiment module is study machinery safety general standard GB/T 18831-2010《Machine security
Interlock design with protective device and selection principle》、GB/T 19876-2012《Machine security and human body are close to phase
The positioning of the safety device of pass》In main contents, learn how using safety interlock switch, safety pad, safe light curtain
Machine security guard system is designed with safe laser scanner.Under voice and the picture and text prompt of system, exemplary secure dress is carried out
Selection, the installation set, and then the security protection system using different safety devices is built, then test experience, understands typical peace
How the operation principle and basic structure of full device are grasped using exemplary secure device design machine security guard system.The mould
The virtual scene model of block includes industrial robot 1, conveyer belt 2, material 3, electrical power control cabinet 4, shelf 5, real training classroom 6, peace
Full interlocking switch 8, security control cabinet 9, safety governor 10, safety warning light 11, the protective fence 13 with safety door, non-envelope
Protective fence 14, safety pad 15, safe light curtain 16, the safe laser scanner 17 closed, as shown in Fig. 6~9.In real training classroom 6
Equipment have security control cabinet 9, safety governor 10, safety warning light 11, protective fence 13 with safety door, non-close
Protective fence 14, safety interlock switch 8, safety pad 15, safe light curtain 16, safe laser scanner 17 etc., wherein：Industrial machine
People 1 carries material 3 and arrives conveyer belt 2；Conveyer belt 2 transports material 3 and arrives shelf 5；Electrical power control cabinet 4 is installed on 6 wall of real training classroom
On, the power on/off for controlling all devices；Protective fence is installed on around the equipment such as industrial robot 1, plays space isolation
Protective action；Security control cabinet 9 is on protective fence；Safety governor 10 is installed in security control cabinet 9, for controlling work
Safe start and stop, the flicker of safety warning light 11 and the start and stop of hydropac of industry robot 1；Safety interlock switch 8 is installed on band
Have on the protective fence 13 of safety door, and connect with safety governor 10, stopping signal can be passed to by opening safety interlock switch 8
Safety governor 10, and then control 1 safe shutdown of industrial robot；Safety pad 15, safe light curtain 16, safe laser scanner 17
It is respectively arranged in the suitable position of 14 opening of protective fence of non-close, is all connect with safety governor 10, safety pad is triggered
15, stopping signal can be passed to safety governor 10 by safe light curtain 16, safe laser scanner 17, and then control industrial robot
1 safe shutdown.Safety interlock switch, safety pad, safe light curtain, safe laser scanner form mounting device.
The experimental method of safety device experiment module is as follows：
Safety interlock switch option in S1, selection system interaction UI, industrial robot 1 are added the protection with safety door
Fence 13；
S2, this safety device is installed to correct position；
S3, installation security control cabinet 9, safety governor 10 and safety warning light 11；
S4, power knob 17, reset button 18 are pressed successively, industrial robot 1 carries out transport operation；
The operating environment of S5, system combination industrial robot 1 explain the safe work(of this safety device by voice, picture and text
It can feature and installation localization criteria；
S6, triggering safety interlock switch 8, open safety door 12,1 safe shutdown of industrial robot, and safety warning light 11 dodges
Bright, the hydropac sound rises；
S7, closed safe door 12 and safety interlock switch 8；
S8, reset button 18 is pressed, the flicker of safety warning light 11 stops, and hydropac stops, the work again of industrial robot 1
Make；
Safety pad option in S9, selection system interaction UI, industrial robot 1 are added the protective fence 14 of non-close, weight
Multiple S2~S5；
S10, this safety device, 1 safe shutdown of industrial robot are triggered, safety warning light 11 flickers, the hydropac sound
It rises, repeats S8；
16 option of safe light curtain in S11, selection system interaction UI, industrial robot 1 are added the protective fence of non-close
14, repeat S2~S5 and S10；
Safe laser scanner option in S12, selection system interaction UI, industrial robot 1 are added the protection of non-close
Fence 14 repeats S2~S5 and S10；
S13, emergency stop switch 20,1 safe shutdown of industrial robot are pressed, safety warning light 11 flickers, the hydropac sound
It rises, repeats S8；
S14, safety device experiment terminate.
The function of security protection examination experiment module is examination risk assessment, safe distance and safety device associated mechanical peace
The study situation of full standard.In the case of no any operation indicating, student makees according to the industrial robot that system is provided
Risk is analyzed in industry environmental requirement, is then selected suitable safe component, is built a set of machine security guard system, tests
Its performance, final system automatic scoring simultaneously provide the score of the examination.The virtual scene model of the module includes risk assessment experiment mould
All models in block, safe distance experiment module and safety device experiment module, as shown in Figure 10.
Security protection examines the experimental method of experiment module as follows：
S1, selection system interaction UI risk evaluation options, it is corresponding that topic information is examined to show；
S2, the different danger sources of identification, select respective risk in topic UI to evaluate option；
S3, judgement choose whether it is correct, if correctly, achievement bonus point, if mistake, achievement not bonus point；
S4, judge that the time is examined whether to terminate, if terminated, into S12, if be not finished, into next step；
S5, judge whether this examination is completed, if completed, into next step, if do not completed, repeat S2~S4；
Safe distance examines option in S6, selection system interaction UI, shows corresponding examination topic information；
Suitable protective fence in S7, selection topic UI, industrial robot can add this fence, repeat S3~S4；
S8, selection system interaction UI safety devices examine option, corresponding that topic information is examined to show；
S9, the different safe components of pickup, select suitable position to be installed, repeat S3~S4；
S10, judge whether this examination is completed, if completed, into next step, if do not completed, repeat S9；
S11, the power supply for pressing switch board successively, reset button test system function；
S12, the display score of the examination, security protection examination experiment terminate.
The present embodiment be using 3D Max softwares and unity3D engine implementation virtual scene models establishment, render and
The exploitation of virtual reality system.
Claims (6)
1. a kind of machine security protects virtual reality tutoring system, which is characterized in that including risk assessment experiment module, safety away from
Experiment module is examined from experiment module, safety device experiment module and security protection；Wherein
Risk assessment experiment module is used to learn the interior of mechanical foundation for security standard GB/T 15706-2012 risks assessment principle
Hold；
Safe distance experiment module is used to learn the content in mechanical safety general standard GB 23821-200, learns how to design
Grid type fixed protection fence；
Safety device experiment module is for learning in mechanical safety general standard GB/T 18831-2010, GB/T19876-2012
Content, learn how anti-using safety interlock switch, safety pad, safe light curtain and safe laser scanner design machine security
Protecting system；
Security protection examination experiment module setting virtual scene model is for examining risk assessment, safe distance and safety device phase
Shut down tool safety standard study situation, virtual scene model include risk assessment experiment module, safe distance experiment module and
All models in safety device experiment module.
2. system according to claim 1, which is characterized in that the experimental method of the risk assessment experiment module is as follows：
Step S101, system introduce the flow of risk assessment by voice, picture and text；
Step S102, the industrial robot without safety prevention measure is started to work in virtual scene model；
Step S103, user's close contact industrial robot are experienced it and are injured caused by people；
Step S104, under the voice of system and text prompt, user identifies danger source all in operating environment；
Step S105, system show all identified danger sources informations, including hazard types, dangerous description and risk class
Information considers the measure for taking risk to reduce；
Step S106, risk assessment experiment terminate.
3. system according to claim 1, which is characterized in that the experimental method of the safe distance experiment module is as follows：
Step S201, be arranged virtual scene, virtual scene include industrial robot, conveyer belt, material, electrical power control cabinet, shelf,
Real training classroom, several different protective fences,
Step S202, system introduce upper and lower extremities by voice, picture and text and touch dangerous various modes；
Step S203 is that industrial robot installs different safety protective fences additional in virtual scene model；
Step S204, user experience crosses protective fence and touches dangerous injury and analyze dangerous the reason of occurring, or study is got over
The safe distance requirement that protective fence touches is crossed, or experience touches dangerous injury by opening and analyzes the original of dangerous generation
Cause, or study pass through the safe distance requirement touched that is open；
Step S205, safe distance experiment terminate.
4. system according to claim 3, which is characterized in that the safety protective fence includes：
(1) it cannot be guaranteed that personnel safety, danger can be touched by crossing the fence；
(2) it can ensure personnel safety, danger will not be touched by crossing the fence；
(3) it cannot be guaranteed that personnel safety, danger can be touched by fence opening；
(4) it can ensure personnel safety, danger will not be touched by fence opening.
5. system according to claim 1, which is characterized in that the experimental method of the safety device experiment module is as follows：
Step S301, be arranged virtual scene, virtual scene include industrial robot, conveyer belt, material, electrical power control cabinet, shelf,
Real training classroom, safety interlock switch, security control cabinet, safety governor, safety warning light, the protective fence with safety door,
Protective fence, safety pad, safe light curtain, the safe laser scanner of non-close；Safety interlock switch, safety pad, safe light curtain,
Safe laser scanner is safety device；
Step S302 is that industrial robot installs the protective fence with safety door additional in virtual scene model；
One safety device is installed to correct position by step S303；
Step S304, installation security control cabinet, safety governor and safety warning light；
Step S305, presses power knob, reset button successively, and industrial robot carries out transport operation；
Step S306, the operating environment of system combination industrial robot explain the safe work(of this safety device by voice, picture and text
It can feature and installation localization criteria；
Step S307 triggers the safety device, industrial robot safe shutdown, safety warning light flicker, the hydropac sound；
Step S308 closes the safety device；
Step S309 presses reset button, and safety warning light flicker stops, and hydropac stops, and industrial robot is reworked；
Step S3010 replaces mounting device, repeats step S303 to S309, until the study of all mounting devices finishes.
6. system according to claim 1, which is characterized in that the experimental method packet of the security protection examination experiment module
Include risk assessment examination, safe distance examination
Risk assessment examination method include：
Step S401, risk of selection evaluation simultaneously show corresponding examination topic information；
Step S402 identifies different danger sources, and respective risk in topic is selected to evaluate option；
Step S403, judgement choose whether it is correct, if correctly, achievement bonus point, if mistake, achievement not bonus point；
Whether step S404 judges that the time is examined to terminate, if terminated, into S4012, if be not finished, enters step S405；
Step S405, judges whether this examination is completed, if completed, is examined into safe distance, if do not completed, repeats
S402~S404；
Safe distance is examined：
Step S411 selects safe distance to examine and shows corresponding examination topic；
Step S412 selects suitable protective fence in topic, industrial robot that can add this fence；
Step S413, judgement choose whether it is correct, if correctly, achievement bonus point, if mistake, achievement not bonus point；
Whether step S414 judges that the time is examined to terminate, if terminated, into S4012, if be not finished, enters step S415；
Step S415, judges whether this examination is completed, if completed, is examined into safety device, if do not completed, repeats S413
~S414；
Safety device is examined：
Step S421 selects safety device to examine and shows corresponding examination topic information；
Step S422 picks up different safe components, suitable position is selected to be installed；
Step S423, judgement choose whether it is correct, if correctly, achievement bonus point, if mistake, achievement not bonus point；
Whether step S424 judges that the time is examined to terminate, if terminated, into S4012, if be not finished, enters step S425；
Step S425, judges whether this examination is completed, if completed, enters step S4011, if do not completed, repeats S423
~S424；
Step S4011 presses power supply, the reset button of switch board successively, tests system function；
Step S4012 shows that the score of the examination, security protection examination experiment terminate.
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| CN201810092885.0A CN108389455A (en) | 2018-01-31 | 2018-01-31 | A kind of machine security protection virtual reality tutoring system |
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| CN111812999A (en) * | 2020-06-08 | 2020-10-23 | 华南师范大学 | Artificial intelligence ethical risk and prevention virtual simulation method, system and robot |
| CN113703345A (en) * | 2020-05-21 | 2021-11-26 | 苏州新宁公共保税仓储有限公司 | Control method, system, computing device and medium for security device |
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Application publication date: 20180810 |