| The production of hazardous chemicals is highly dangerous and polluting,and is prone to accidents endangering life and property safety such as leakage and explosion.Therefore,safety inspection in the chemical park is an important guarantee for the safety of means of production and staff.In the inspection work,the inspectors arrive at the designated location through the pre-determined plan to carry out data collection,risk identification,hidden danger troubleshooting and other work contents for the inspection objects,which can effectively ensure that the risks,hidden dangers and abnormal data existing in the safe production and equipment operation of the enterprise are strictly controlled.At present,there are many problems in safety patrol inspection,such as low efficiency and poor standardization,as well as the disadvantages of difficult supervision and low data processing efficiency of the existing methods.This topic uses augmented reality technology(AR)to design and develop AR intelligent patrol inspection system,realize the process,standardization and digitization of safety patrol inspection,and improve the efficiency of risk identification and hidden danger troubleshooting and treatment,which has high practical value for improving the quality and efficiency of safety patrol inspection.Firstly,according to the user model of the system,clarify their respective responsibilities.The administrator is the person in charge of enterprise safety and has the authority to formulate inspection plan and publish inspection tasks;Management users such as territorial responsible persons and department heads have the authority to supervise the inspection process and review the inspection results;The inspector is responsible for receiving and executing the inspection tasks;The enterprise leadership and members of the safety committee have the authority to receive and deal with major potential safety hazards.Then,according to the troubleshooting table of security risks and hidden dangers in the database established for the AR inspection system,the inspection plan is formulated and the inspection work order is issued.The inspectors wear AR glasses to perform the inspection task,and carry out data collection,troubleshooting and treatment of hidden dangers.After that,the responsible person reviews the results,and the system uploads the hidden dangers,treatment results,equipment and environmental information to the server for storage.All processes realize closed-loop operation and management,and each link has source and destination,so as to standardize the safety inspection process.Then,according to the guiding documents such as the digital construction guide of the intelligent management and control platform and dual prevention mechanism of hazardous chemical enterprises and the actual situation of the enterprise,the functional requirements are analyzed,and the requirements are developed one by one in combination with AR technology.Vuforia engine and unity3 d are used to connect objects,images and AR experience space in the real environment to realize the functions of scanning QR code check-in,covering guided step-by-step operation instructions on the surface of the equipment,etc.The spatial awareness system is used to construct the grid according to the real environment for real-time positioning and mapping,so as to provide inspectors with highly interactive holographic images.In terms of interactive mode,the modes of hand tracking,eye tracking and voice input are used to realize the operation UI interface to perform patrol inspection tasks;Complete the specific enhancement effect when staring at the specified text and 3D object;When it is inconvenient to use gesture operation,use voice input to execute commands and other interactive effects.In the AR glasses end inspection system,two modes of cameras are set to assist inspectors in data acquisition and recording.One is webcam to take still photos,and the other can capture mixed reality(MRC)photos or videos.Using the above methods,the safety inspection system is digitized to improve work efficiency.Secondly,in order to solve the phenomenon that the inspectors fail to solve the problems that need to be handled immediately due to the lack of professional knowledge or ability,the real-time audio and video(Web RTC)function is realized in the AR inspection system,so that the inspectors can connect with remote experts to receive professional guidance;And establish FMEA analysis database of high-risk equipment,so that inspectors can retrieve equipment information.By using the above functions,the professionalism and reliability of safety inspection work are enhanced,and the completion quality of work is improved.Finally,the patrol inspection system designed and implemented by the above methods enables the work process of safety administrators,territorial responsible persons,department heads and patrol inspectors to be monitored,the information can be traced,and the division of responsibilities and responsibilities is clear.Realize the digitization of the collection,review and analysis process of patrol data and realize real-time synchronization,so that enterprise managers can view the work situation and on-site data of patrol inspectors through the patrol system,and front-line employees can also talk to experts and leaders through the patrol system.Departments can transfer the inspection results and hidden danger troubleshooting and treatment information to each other.The management can understand the major risk hidden danger points in the park through the system,and take control measures in time to shorten the time of information transmission.In addition,the data statistical analysis function provided by the system enables the enterprise safety management to absorb positive value information and realize self-improvement,so as to realize the virtuous circle operation of continuous optimization of the safety management system. |