CN112312149B - Audio and video remote transmission system for ship maintenance - Google Patents
Audio and video remote transmission system for ship maintenance Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
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- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
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- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
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Abstract
The invention relates to the technical field of ship maintenance, in particular to an audio and video remote transmission system for ship maintenance. The system comprises a basic equipment unit, a software service unit and a man-machine interaction unit; the basic equipment unit comprises a field equipment module, a signal enhancement module, a server end module and a user terminal module; the software service unit comprises a user center module, an equipment management module, a video center module and a file management module; the man-machine interaction unit comprises an interface display module, a network communication module, a real-time communication module and a positioning feedback module. The design of the invention can access various video devices and corresponding audio data thereof, selectively carry out talkback and video communication, save labor and reduce cost, and high-level technicians can simultaneously command a plurality of field maintenance personnel, thereby ensuring the timeliness, the process integrity and the traceability of maintenance faults, and in addition, the signal amplifier is simple to install and disassemble, safe to use and convenient to carry.
Description
Technical Field
The invention relates to the technical field of ship maintenance, in particular to an audio and video remote transmission system for ship maintenance.
Background
At present, the ship maintenance depends on the technical level of personnel to maintain on site, the technical problem that the unsolved fault can only be consulted with engineers of manufacturers or other high levels of companies in a telephone or WeChat mode is solved, but because the network in the ship cabin basically has no signal, normal communication can not be realized mostly, great trouble is caused to the timeliness of the problem solving, and the mobile phone video call process can not be stored and has no process record.
At present, audio and video stream transmission, cloud storage and live broadcasting are mature technologies, and individual combat systems are common, so that the generated applications and systems are classified. The existing applications in the aspect of audio and video transmission can be roughly divided into camera monitoring, live video or video conference, individual combat equipment or law enforcement recorder and the like, all of the applications relate to different audio and video coding and decoding modes and transmission protocols, multiple devices are connected to the existing devices to have certain problems, most of the devices play a role in the field of self excellence, and the devices cannot be well applied to ship field maintenance.
Disclosure of Invention
The invention aims to provide an audio and video remote transmission system for ship maintenance, which aims to solve the problems in the background technology.
In order to solve the above technical problems, an object of the present invention is to provide an audio/video remote transmission system for ship maintenance, which includes
The system comprises a basic equipment unit, a software service unit and a man-machine interaction unit; the software service unit and the man-machine interaction unit are both loaded on the basic equipment unit; the basic equipment unit is used for providing basic facilities such as acquisition equipment, signal relay equipment, a server, terminal equipment and the like which form a remote transmission system; the software service unit is used for providing service software which can comprehensively and uniformly manage users, equipment, audio and video information and other files; the human-computer interaction unit is used for establishing a connection channel between a user and the system;
the basic equipment unit comprises a field equipment module, a signal enhancement module, a server end module and a user terminal module;
the software service unit comprises a user center module, an equipment management module, a video center module and a file management module;
the man-machine interaction unit comprises an interface display module, a network communication module, a real-time communication module and a positioning feedback module.
As a further improvement of the technical solution, the field device module is connected to the server module via the signal enhancement module by ethernet communication, and the user terminal module is connected to the server module by ethernet communication; the field device module is used for carrying out video recording and data acquisition on field conditions through field devices in various forms; the signal enhancement module is used for improving the network signal in the ship engine room through the signal amplifier so as to meet the communication requirement; the server-side module is used for taking charge of data interaction between various application software and front-end equipment, storage and distribution of audio and video streams, realization of a control strategy, state monitoring of the whole system and the like; the user terminal module is used for displaying the system information to the user through various client terminal devices and providing an interface for controlling the system for the user.
The field device includes, but is not limited to, a portable box device, a helmet device, a badge device, a mobile phone, etc., and the video recording device loaded on the field device includes, but is not limited to, a monitoring camera, a computer camera, a USB camera, etc.
As a further improvement of the technical scheme, the user center module, the equipment management module, the video center module and the file management module are sequentially connected through digital signal communication; the user center module is used for carrying out identity identification and authority distribution on users capable of logging in the system; the equipment management module is used for setting the operation parameters of the equipment, the storage mode and the transmission strategy of the equipment and the like; the video center module is used for controlling and managing the transmission and storage process of the audio and video stream; the file management module is used for managing the stored files, and comprises control operations of adding, deleting, modifying, inquiring strategies and the like.
The identity of the user includes, but is not limited to, an administrator, engineer, instructor, supervisor, field maintainer, etc.
The storage path of the audio/video stream includes, but is not limited to, a server disk, an SD card, an external memory, and the like.
As a further improvement of the technical solution, the user center module includes a user management module, an authority control module and an equipment allocation module; the signal output end of the user management module is connected with the signal input end of the authority control module, and the signal output end of the authority control module is connected with the signal input end of the equipment distribution module; the user management module is used for classifying and checking the legal identity of the user; the authority control module is used for distributing corresponding control authority according to the identity of the user; the equipment distribution module is used for distributing corresponding available field equipment to the user according to the control authority of the user and the ship maintenance requirement and opening the authority of the user for controlling the field equipment.
As a further improvement of the technical solution, the interface display module, the network communication module, the real-time communication module and the positioning feedback module are sequentially connected through digital signal communication; the interface display module is used for displaying a concise interface which can control the system to a user through a client terminal; the network communication module is used for establishing a connection channel between the user terminal and the server through various communication modes; the real-time communication module is used for establishing a real-time audio and video communication function between the user terminal and the field device; the positioning feedback module is used for feeding back the accurate coordinates of the site position to the server side in real time, so that a user on the client terminal can conveniently identify the site condition.
The network communication mode includes, but is not limited to, wired communication, wireless WiFi, 4G network, GPRS, and the like.
As a further improvement of the technical solution, the positioning feedback module adopts an n-dimensional vector euclidean distance algorithm, and the calculation formula thereof is as follows:
wherein, d 12 Is two n-dimensional vectors a (x) 11 ，x 12 ，...，x 1n ) And b (x) 21 ，x 22 ，...，x 2n ) Of between, a (x) 11 ，x 12 ，...，x 1n ) As coordinates of the site location, b (x) 21 ，x 22 ，...，x 2n ) The coordinates of a fixed reference position in the vessel.
The invention also aims to provide an operation method of the audio and video remote transmission system for ship maintenance, which comprises the following steps:
s1, field maintenance personnel log in a system in a legal identity, the system opens an operation authority for a user according to the identity of the system and distributes equipment, and the field maintenance personnel carry the distributed equipment to a fault field and report the field position to the system;
s2, if the working site is a signal shielding space, field maintenance personnel need to install the multi-band mobile signal amplifier first, and network signals outside the shielding space can be led into the shielding space to open a data transmission channel;
s3, field maintenance personnel wear field video recording equipment, control terminal equipment, set storage and uploading strategies, equipment resolution, code rates and the like, set a network environment for audio and video transmission, set a video storage scheme, set an uploading time period and the like;
s4, field maintenance personnel carry out maintenance operation, videos in the maintenance process are transmitted to a server side, the server stores and distributes received audio and video files, and a supervisor supervises the maintenance process of the field maintenance personnel in real time;
s5, when the field maintenance personnel have problems which cannot be solved, voice communication or video communication can be initiated through the display interface, the system automatically feeds back the communication request to an on-line engineer or instructor, if no engineer or instructor is on line, the communication request is fed back to a supervisor, and the supervisor contacts the engineer or instructor;
s6, an engineer or a director logs in the system and then communicates, and then the real-time communication is used for directing field maintenance personnel to carry out field maintenance;
s7, automatically recording audio and video information in the communication process by the system, and storing the audio and video information into corresponding databases in a classified manner for the user to inquire;
and S8, after the field maintenance is finished, the field maintenance personnel withdraw from the field and carry out sign-off operation on the system.
The invention also provides an audio and video remote transmission device for ship maintenance, which comprises a processor, a memory and a computer program stored in the memory and running on the processor, wherein the processor is used for implementing any one of the audio and video remote transmission systems for ship maintenance when executing the computer program.
It is a fourth object of the present invention that the computer readable storage medium stores a computer program which, when executed by a processor, implements any of the above audio/video remote transmission systems for vessel repair.
Compared with the prior art, the invention has the beneficial effects that: this an among the audio and video teletransmission system for boats and ships maintenance, can insert multiple video equipment and the audio data that corresponds to selective talkbacking and video communication, can use manpower sparingly, reduce cost, and high-level technical staff can command a plurality of on-the-spot maintenance personal simultaneously, the promptness of having guaranteed the maintenance trouble, process integrality and traceability, signal amplifier installs and dismantles in addition simply, use along with ann, convenient to carry, effectively solve a great deal of not enough that exists among the current boats and ships maintenance process.
Drawings
FIG. 1 is an exemplary product architecture diagram of the present invention;
FIG. 2 is a partial schematic structural diagram of a transmission device according to the present invention;
FIG. 3 is a second partial schematic structural diagram of a transmission device according to the present invention;
FIG. 4 is a third schematic view of a partial structure of a transmission device according to the present invention;
FIG. 5 is a fourth schematic view of a partial structure of a transmission device according to the present invention;
FIG. 6 is a fifth schematic view of a partial structure of a transmission device according to the present invention;
fig. 7 is a sixth schematic view of a partial structure of a transmission device according to the present invention.
The various reference numbers in the figures mean:
100. a base equipment unit; 101. a field device module; 102. a signal enhancement module; 103. a server side module; 104. a user terminal module;
200. a software service unit; 201. a user center module; 2011. a user management module; 2012. an authority control module; 2013. an equipment distribution module; 202. a device management module; 203. a video center module; 204. a file management module;
300. a human-computer interaction unit; 301. an interface display module; 302. a network communication module; 303. a real-time communication module; 304. and a positioning feedback module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Application examples
As shown in fig. 1 to 7, the present embodiment provides an audio/video remote transmission system for ship maintenance, including
A basic device unit 100, a software service unit 200 and a man-machine interaction unit 300; the software service unit 200 and the human-computer interaction unit 300 are both loaded on the basic equipment unit 100; the infrastructure equipment unit 100 is used for providing infrastructures such as acquisition equipment, signal relay equipment, a server and terminal equipment which form a remote transmission system; the software service unit 200 is used for providing service software which can comprehensively and uniformly manage users, equipment, audio and video information and other files; the human-computer interaction unit 300 is used for establishing a connection channel between a user and a system;
the basic equipment unit 100 comprises a field equipment module 101, a signal enhancement module 102, a server-side module 103 and a user terminal module 104;
the software service unit 200 comprises a user center module 201, a device management module 202, a video center module 203 and a file management module 204;
the human-computer interaction unit 300 comprises an interface display module 301, a network communication module 302, a real-time communication module 303 and a positioning feedback module 304.
In this embodiment, the field device module 101 is connected to the server module 103 through the signal enhancement module 102 by ethernet communication, and the user terminal module 104 is connected to the server module 103 by ethernet communication; the field device module 101 is used for recording videos and collecting data of field conditions through field devices in various forms; the signal enhancement module 102 is used for improving a network signal in a ship cabin through a signal amplifier to meet communication requirements; the server module 103 is used for taking charge of data interaction between various application software and front-end equipment, storage and distribution of audio and video streams, implementation of control strategies, state monitoring of the whole system and the like; the user terminal module 104 is used for displaying system information to a user through various client terminal devices and providing an interface for operating the system for the user.
The field device includes, but is not limited to, a portable box device, a helmet device, a badge device, a mobile phone, etc., and the video recording device loaded on the field device includes, but is not limited to, a monitoring camera, a computer camera, a USB camera, etc.
Specifically, the field terminal device is responsible for collecting audio and video signals, has certain control authority, can select whether to record video and video memory position as required, can select voice function, requests the conversation and confirms whether to insert the conversation, and equipment mainly comprises microphone, megaphone, light, 4G module, wifi module, conversation earphone, location laser, camera, SD card memory module, GPS orientation module.
In this embodiment, the user center module 201, the device management module 202, the video center module 203, and the file management module 204 are sequentially connected through digital signal communication; the user center module 201 is used for performing identity identification and authority distribution on users who can log in the system; the device management module 202 is configured to set operation parameters of the device, a storage mode and a transmission policy of the device, and the like; the video center module 203 is used for controlling and managing the transmission and storage process of audio and video stream; the file management module 204 is configured to manage the stored files, including control operations such as adding, deleting, modifying, and querying policies.
The identity of the user includes, but is not limited to, an administrator, engineer, instructor, supervisor, field maintainer, etc.
The storage path of the audio/video stream includes, but is not limited to, a server disk, an SD card, an external memory, and the like.
Further, the user center module 201 includes a user management module 2011, a right control module 2012 and a device assignment module 2013; the signal output end of the user management module 2011 is connected with the signal input end of the authority control module 2012, and the signal output end of the authority control module 2012 is connected with the signal input end of the equipment allocation module 2013; the user management module 2011 is configured to classify and check the legal identity of the user; the authority control module 2012 is used for allocating corresponding control authority according to the identity of the user; the device allocation module 2013 is used for allocating corresponding available field devices to the users according to the control authorities of the users and the ship maintenance requirements and opening the authorities of the users for controlling the field devices.
In this embodiment, the interface display module 301, the network communication module 302, the real-time communication module 303, and the positioning feedback module 304 are sequentially connected through digital signal communication; the interface display module 301 is used for displaying a concise interface capable of controlling the system to a user through a client terminal; the network communication module 302 is used for establishing a connection channel between the user terminal and the server through a plurality of communication modes; the real-time communication module 303 is used for establishing a real-time audio and video communication function between the user terminal and the field device; the positioning feedback module 304 is used for feeding back the precise coordinates of the field position to the server side in real time, so that the user at the client terminal can conveniently identify the field condition.
The network communication mode includes, but is not limited to, wired communication, wireless WiFi, 4G network, GPRS, and the like.
Specifically, the positioning feedback module 304 adopts an n-dimensional vector euclidean distance algorithm, and the calculation formula thereof is as follows:
wherein d is 12 Is two n-dimensional vectors a (x) 11 ，x 12 ，...，x 1n ) And b (x) 21 ，x 22 ，...，x 2n ) Of between, a (x) 11 ，x 12 ，...，x 1n ) As coordinates of the site location, b (x) 21 ，x 22 ，...，x 2n ) The coordinates of a fixed reference position in the vessel.
In addition, the system integrates various peripheral devices by taking a software system as a means and a smart eye system as a support, realizes the functions of audio and video acquisition, transmission, storage, processing, retrieval, corresponding strategy setting and the like, and solves various problems in actual production by adopting a series of means such as audio and video stream transmission, storage, control and the like, for example: remotely commanding the maintenance of the ship; the method is used for guaranteeing the fairness and effectiveness of laboratory detection of ballast water; the traceability of the construction result and the detection result; feasibility and convenience of process control; compatibility of multiple terminal devices; signal relaying, amplification, etc.
Product and method embodiments
Referring to fig. 1, an exemplary architecture diagram of an audio/video remote transmission system for ship maintenance according to the present embodiment is shown, where the product includes a cloud service system composed of a receiving station, a cloud platform and a server, including but not limited to a computer terminal, a tablet computer, a mobile phone and other client terminals, a signal amplifier composed of an outdoor antenna, an indoor antenna, a signal relay host device and a coaxial cable, and various field video recording devices that can be connected to the server through ethernet communication.
In this embodiment, an exemplary operation method of the audio/video remote transmission system for ship maintenance is provided, which includes the following steps:
s1, field maintenance personnel log in a system in a legal identity, the system opens an operation authority for a user according to the identity of the system and distributes equipment, and the field maintenance personnel carry the distributed equipment to a fault field and report the field position to the system;
s2, if the working site is a signal shielding space, field maintenance personnel need to install the multi-band mobile signal amplifier first, and network signals outside the shielding space can be led into the shielding space to open a data transmission channel;
s3, field maintenance personnel wear field video recording equipment, control terminal equipment, set storage and uploading strategies, equipment resolution, code rates and the like, set a network environment for audio and video transmission, set a video storage scheme, set an uploading time period and the like;
s4, performing maintenance operation by field maintenance personnel, transmitting a video in the maintenance process to a server, storing and distributing the received audio and video files by the server, and monitoring the maintenance process of the field maintenance personnel by a monitor in real time;
s5, when the field maintenance personnel have problems which cannot be solved, voice communication or video communication can be initiated through the display interface, the system automatically feeds back the communication request to an on-line engineer or instructor, if no engineer or instructor is on line, the communication request is fed back to a supervisor, and the supervisor contacts the engineer or instructor;
s6, an engineer or a director logs in the system and then communicates, and then the real-time communication is used for directing field maintenance personnel to carry out field maintenance;
s7, automatically recording audio and video information in the communication process by the system, and storing the audio and video information into corresponding databases in a classified manner for the user to inquire;
and S8, after the field maintenance is finished, the field maintenance personnel withdraw from the field and carry out sign-off operation on the system.
Electronic device embodiment
Referring to fig. 7, a schematic structural diagram of an audio/video remote transmission device for ship maintenance according to the present embodiment is shown, where the device includes a processor, a memory, and a computer program stored in the memory and running on the processor.
The processor comprises one or more than one processing core, the processor is connected with the processor through a bus, the memory is used for storing program instructions, and the audio and video remote transmission system for ship maintenance is realized when the processor executes the program instructions in the memory.
Alternatively, the memory may be implemented by any type or combination of volatile and non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
In addition, the invention also provides a computer readable storage medium, which stores a computer program, and the computer program is executed by a processor to realize the audio and video remote transmission system for ship maintenance.
Optionally, the present invention also provides a computer program product containing instructions which, when run on a computer, cause the computer to perform the above aspects of the audiovisual teletransmission system for vessel repair.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, and the program may be stored in a computer-readable storage medium, where the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. An audio and video remote transmission system for ship maintenance is characterized in that: comprises that
The system comprises a basic equipment unit (100), a software service unit (200) and a man-machine interaction unit (300); the software service unit (200) and the human-computer interaction unit (300) are both loaded on the basic equipment unit (100); the basic equipment unit (100) is used for providing basic facilities such as acquisition equipment, signal relay equipment, a server and terminal equipment which form a remote transmission system; the software service unit (200) is used for providing service software capable of comprehensively and uniformly managing users, equipment, audio and video information and other files; the human-computer interaction unit (300) is used for establishing a connection channel between a user and the system;
the basic equipment unit (100) comprises a field equipment module (101), a signal enhancement module (102), a server-side module (103) and a user terminal module (104);
the software service unit (200) comprises a user center module (201), an equipment management module (202), a video center module (203) and a file management module (204);
the man-machine interaction unit (300) comprises an interface display module (301), a network communication module (302), a real-time communication module (303) and a positioning feedback module (304);
the user center module (201), the equipment management module (202), the video center module (203) and the file management module (204) are sequentially connected through digital signal communication; the user center module (201) is used for carrying out identity identification and authority distribution on users capable of logging in the system; the equipment management module (202) is used for setting the operation parameters of the equipment, the storage mode and the transmission strategy of the equipment and the like; the video center module (203) is used for controlling and managing the transmission and storage process of the audio and video stream; the file management module (204) is used for managing the stored files, and comprises control operations such as adding, deleting, modifying, inquiring strategies and the like;
the user center module (201) comprises a user management module (2011), an authority control module (2012) and a device distribution module (2013); the signal output end of the user management module (2011) is connected with the signal input end of the authority control module (2012), and the signal output end of the authority control module (2012) is connected with the signal input end of the equipment allocation module (2013); the user management module (2011) is used for classifying and checking the legal identity of the user; the authority control module (2012) is used for distributing corresponding control authority according to the identity of the user; the equipment distribution module (2013) is used for distributing corresponding available field equipment to the user according to the control authority of the user and the ship maintenance requirement and opening the authority of the user for controlling the field equipment;
the interface display module (301), the network communication module (302), the real-time communication module (303) and the positioning feedback module (304) are sequentially connected through digital signal communication; the interface display module (301) is used for displaying a concise interface which can control the system to a user through a client terminal; the network communication module (302) is used for establishing a connection channel between the user terminal and the server through various communication modes; the real-time communication module (303) is used for establishing a real-time audio and video communication function between the user terminal and the field device; the positioning feedback module (304) is used for feeding back the precise coordinates of the site position to the server side in real time, so that a user on the client terminal can conveniently identify the site condition;
the positioning feedback module (304) adopts an n-dimensional vector Euclidean distance algorithm, and the calculation formula is as follows:
wherein d is 12 Is two n-dimensional vectors a (x) 11 ，x 12 ，...，x 1n ) And b (x) 21 ，x 22 ，...，x 2n ) Of between, a (x) 11 ，x 12 ，...，x 1n ) As coordinates of the site location, b (x) 21 ，x 22 ，...，x 2n ) The coordinates of a fixed reference position in the vessel.
2. The audio-visual remote transmission system for marine maintenance of claim 1, wherein: the field device module (101) is connected with the server-side module (103) through Ethernet communication via the signal enhancement module (102), and the user terminal module (104) is connected with the server-side module (103) through Ethernet communication; the field device module (101) is used for carrying out video recording and data acquisition on field conditions through field devices in various forms; the signal enhancement module (102) is used for improving a network signal in a ship cabin through a signal amplifier so as to meet communication requirements; the server-side module (103) is used for taking charge of data interaction between various application software and front-end equipment, storage and distribution of audio and video streams, implementation of a control strategy, state monitoring of the whole system and the like; the user terminal module (104) is used for displaying system information to a user through various client terminal devices and providing an interface for operating the system for the user.
3. The operating method of an audio-visual remote transmission system for vessel repair according to claim 1 or 2, characterized in that: the operation method comprises the following steps:
s1, field maintenance personnel log in a system with legal identity, the system opens an operation authority for a user according to the identity of the user and distributes equipment, the field maintenance personnel carry the distributed equipment to a fault field, and the field position is reported to the system;
s2, if the working site is a signal shielding space, field maintenance personnel need to install the multi-band mobile signal amplifier first, and network signals outside the shielding space can be led into the shielding space to open a data transmission channel;
s3, field maintenance personnel wear field video recording equipment, control terminal equipment, set storage and uploading strategies, equipment resolution, code rates and the like, set a network environment for audio and video transmission, set a video storage scheme, set an uploading time period and the like;
s4, field maintenance personnel carry out maintenance operation, videos in the maintenance process are transmitted to a server side, the server stores and distributes received audio and video files, and a supervisor supervises the maintenance process of the field maintenance personnel in real time;
s5, when the field maintenance personnel have problems which cannot be solved, voice communication or video communication can be initiated through the display interface, the system automatically feeds back the communication request to an on-line engineer or instructor, if no engineer or instructor is on line, the communication request is fed back to a supervisor, and the supervisor contacts the engineer or instructor;
s6, an engineer or a director logs in the system and then communicates, and then the real-time communication is used for directing field maintenance personnel to carry out field maintenance;
s7, automatically recording audio and video information in the communication process by the system, and storing the audio and video information into corresponding databases in a classified manner for the user to inquire;
and S8, after the field maintenance is finished, the field maintenance personnel withdraw from the field and perform sign-off operation on the system.
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