- Time of issue:2018-07-04 11:10
(Summary description)Mine broadcast
(Summary description)Mine broadcast
- Time of issue:2018-07-04 11:10
First, the system introduction
1, system introduction
The coal mine IP network broadcasting system, also known as the mine intelligent emergency rescue broadcasting system, is currently the most advanced coal mine broadcasting technology in China. Guangzhou Xipai Electronics Co., Ltd. is based on the actual situation of domestic coal mine work, combined with the status quo and development direction of voice broadcasting, organically combined with digital technology, single-chip codec technology, advanced software programming technology. With its characteristics of “quality, economy, stability and practicality”, it has been recognized by many coal mines across the country. It is a new generation of digital mine-use intelligent emergency rescue broadcasting system integrating public voice, security broadcast, dispatching command and safety monitoring. It is the best solution for intelligent broadcasting in coal mines.
2, system application background
The State Administration of Work Safety and the State Administration of Coal Mine Supervision issued a notice on the construction and improvement of the “six major systems” for safe and safe haven in coal mines. The notice clearly stated: “We must actively promote the use of underground wireless communication systems and underground broadcasting systems.” The underground communication system is of great significance for preventing and reducing the occurrence of safety accidents and reducing the losses caused by accidents.
The information exchange in the mine is through telephone or meeting, which can not meet the needs of modern mine safety. It is imperative to establish a digital information broadcasting system for this purpose.
Allow miners to receive safety education, receive dispatch commands, or ease the fatigue of miners through free music. For example, in the coal mine waiting room, safety slogans, news and easy music can be played to solve the problem that the miners had nothing to do and boring in the waiting room before going to the well. It can not only promote safety education but also cultivate miners' sentiments.
The most important thing is that when there is an emergency in mine safety, the safety command can be issued to the most dangerous location in the underground through the broadcasting system, and emergency evacuation can be carried out to effectively guide the evacuation of personnel to reach the 2010 National Coal Work Conference. The dangers mentioned above can be conveyed to the requirements of every employee in the mine within three minutes.
Second, the system design principles
1. Standardization and standardization:
The mine emergency rescue IP network broadcasting system is different from the general sound system. It is an advanced mining system project. It must start from the system design, including construction, installation, commissioning and final acceptance, all in strict accordance with the relevant national standards. Standardize, do a good job in the standardized design and standardized management of the system. Finally, submit a formal test and acceptance report and a full set of construction drawings and technical materials for Party A to file. Special special fund projects must ensure that the entire project can withstand the rigorous testing of all aspects and for a long time.
2, advanced and functional scalability:
The development of modern information technology, new products, new technologies emerge one after another. Therefore, the system should make full use of the latest technology of the voice system when the investment cost permits, so that the system can adapt to social development in the longest possible time. However, due to the rapid development of modern science and technology, it is necessary to fully consider the future development needs, and the design must be forward-looking and scalable. This scalability not only fully protects Party A's investment, but also has a high overall performance price ratio. This design has fully considered this, and reserved various interfaces, which is very convenient for system expansion and upgrade.
3. Safety and reliability are one of the important conditions:
The construction of coal mine emergency rescue IP network broadcasting system directly affects the user's use effect, external image and investment return. Therefore, the system design must be safe and reliable. This program has fully considered the use of mature technology and products in equipment selection. Minimize the occurrence of faults in the design of the system. From the aspects of line laying, equipment installation, system commissioning and technical training for personnel of Party A, the reliability requirements must be met. It is particularly important that all the key equipment selected in this program have obtained the compulsory certification of the competent national authorities, and promised to give full support in the provision of engineering equipment, technical support and after-sales service.
Third, the basic functions of the system
1. Daily broadcast:
According to the function of the mining area, each functional area can play the same required voice information according to the needs. For example, the entrance of the worker into the factory can play some welcome information and the latest factory news. Some exits can be played at the exit of the worker's home. The precautions of the home; in the function downwell waiting area to play some information about the normal work of the equipment that should be inspected before going down the well, and the voice information of the equipment inspection method. Voice messages for safety precautions can be played during the worker's downswing.
2. Lane service broadcast:
When the worker is working on the working face or the roadway, the staff of the plant can play the voice information needed for the work according to the work needs. For example, the problems encountered in the equipment maintenance and equipment failure can be in real time with the ground engineer to make two-way voice calls. Solve problems encountered in the work.
3. Emergency help intercom:
When a worker encounters an unexpected accident at work, he can perform two-way voice communication with the ground staff according to the emergency help button, and timely report the downhole status information, which will effectively reduce the negative impact caused by the accident.
4. Paging broadcast:
When the worker encounters something and needs to notify other workers in time, the paging button can be pressed on the nearest device. When the button is pressed, the device automatically switches to the broadcast paging state, and the required voice information can be broadcasted on the device. Other equipment.
5. Dispatch paging:
In the actual work of the dispatch center, if necessary, you can call a single speaker or a group of speakers to ensure the efficiency of the work.
6, telephone paging:
In the event of an emergency, the mine manager or a higher leader is required to promptly speak to the underground or direct rescue. The mine manager can proceed remotely by telephone.
7. Emergency linkage broadcast:
When the underground gas exceeds the standard, the gas alarm system can provide one or more alarm information to the broadcasting system, and the broadcasting system can broadcast according to the preset broadcast content, thereby effectively improving the working efficiency of the broadcasting.
8, call recording:
When a certain broadcast point in the underground talks with the dispatch center or another broadcast point or broadcasts, the system can record the call content in real time to ensure the accuracy and authenticity of the work.
9, the map shows:
The system map function can intuitively reflect the system device usage status, for example, two-way communication between the terminal and the terminal, the duty terminal paging the downhole terminal, whether the terminal works normally, whether the terminal is monitored, and whether the terminal call is recorded on the system map. Very clear display, easy for the staff to manage the system.
Fourth, the system features
1. Architecture network:
Multi-purpose, multi-use, fully utilize IP network resources, avoid repeating erection of lines, and have access to broadcast digital terminals in places where the network is available, realizing full-scale broadcasting of mine ground and underground.
2. Transmission digitization:
The system is digitally designed and has strong anti-interference ability. The music playing mode is to directly read the digital music MP3 format, and the playing music is clear and beautiful; the high-quality CD-level sound quality sampling transmission transmits the voice of the duty center to the speaker without loss.
Personalization of the terminal: The mine communication system is based on the IP data network. Each broadcast digital terminal has an independent IP address, which can independently control each terminal to play different content. The mutual communication between each terminal does not interfere, and there is no crosstalk.
User-friendly operation: The mine communication system provides a user-friendly menu interface, easy and simple operation, and is practical and practical, which improves the operability of the system.
3. System scalability:
It is very simple to increase the terminal in the uphole and downhole, and it can continue to smoothly upgrade and expand according to the actual situation of each mine, reducing the overall investment cost of the system.
4. Engineering simplification:
The system engineering is simple. Using the existing industrial ring network to build each broadcast communication point, only the broadcast digital terminal needs to be added. Once built, the system can be shared with other system networks to reduce the repeated construction of multiple networks.
5. Effective use of bandwidth:
It adopts advanced audio editing technology and takes up very little bandwidth.
6, system zero maintenance:
The system is physically shared with the network, so no additional maintenance work is added beyond network maintenance. In the application, the system can set the independent network segment to be separated from the computer system, and will not be infected by viruses. The system as a whole is stable and reliable, and there is basically no maintenance work.
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