CN102724094A - Multi-bus mine-use broadcast communication network based on priority - Google Patents
Multi-bus mine-use broadcast communication network based on priority Download PDFInfo
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- CN102724094A CN102724094A CN2012102341904A CN201210234190A CN102724094A CN 102724094 A CN102724094 A CN 102724094A CN 2012102341904 A CN2012102341904 A CN 2012102341904A CN 201210234190 A CN201210234190 A CN 201210234190A CN 102724094 A CN102724094 A CN 102724094A
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Abstract
The invention discloses a multi-bus mine-use broadcast communication network based on priority, which comprises a ground main control station, an underground main control station, and alarm points, wherein the ground main control station is connected with the underground main control station via the Ethernet; an underground sub-control station is connected with the alarm points via a CAN bus and an audio bus; and a power amplifier module and a loudspeaker are connected to the alarm points. The network has the technical effects as follows: (1) emergency broadcast, a ground dispatch room broadcasts all underground terminals (including sub-control stations, the alarm points and a sound box) via the main control stations; 2, emergency calling, the underground sub-control station calls the ground dispatch room via an emergency calling button; 3, subarea broadcast, broadcasting is sent aiming at a or multiple special sub-control stations; 3, station talkback, that is a talkback of sub-control stations; and 4, instation talkback, that is the talkback is between alarm points connected in the same sub-control station or the alarm points and the sub-control stations.
Description
Technical field
The present invention relates to a kind of mining broadcast communication network.
Background technology
Environment under the coal mine is different from ground environment; Is that main down-hole channel architecture has determined it not use the single-point base station to realize that zonal signal covers as ground with the tunnel, generally adopts many nodes mode of (comprising distributed base station), however increasing and the increase of the number of plies along with node; If adopt single Ethernet protocol; Because ethernet data frame belongs to complex data structures, and Ethernet data generally all need carry out address transition, the process that storage is transmitted through node the time; The processing of the priority class of traffic can be brought at server usually and used software to handle; The signal overhead in switching is very big, and the real-time performance of whole like this network and stability will obviously descend, and can not satisfy prerequisite real-time of undershaft communication system and high reliability.Other special-purpose bus structures then exist compatible bad, and installation difficulty is big, shortcomings such as cost height.
Based on the characteristics of the mining broadcast communication network of the multibus of priority, realized the division of priority from hardware, thereby made terminal node can use simple communication bus and agreement and upper level interconnected to mining radio communication system.In the actual use of a plurality of subsurface environments, the high real-time of this system, high reliability, wide compatibility, the advantage that aspects such as simple and easy and low cost are installed has all obtained good embodiment.
Summary of the invention
The purpose of this invention is to provide the mining broadcast communication network of a kind of multibus based on priority.
Technical scheme of the present invention is; The mining broadcast communication network of a kind of multibus based on priority; Comprise aboveground master station, branch control station, down-hole, alarm point is characterized in that: aboveground master station divides control to stand with the down-hole and is connected through Ethernet; The down-hole divides the control station to be connected with audio-frequency bus through the CAN bus with alarm point, on alarm point, is connected to power amplifier module and loudspeaker;
Described aboveground master station comprises the STM32 master controller, and the serial port 1 of STM32 master controller connects display, and port connects buffer circuit, and the SPI2 mouth connects the SPI mouth of audio decoder, and PG1 ~ PG5 pin connects keystroke interface; The DAI of audio decoder connects audio amplifier circuit, is connected to microphone and loudspeaker at audio amplifier circuit; Ethernet interface connects buffer circuit; Power circuit connects the power port of display, Ethernet interface, buffer circuit, audio decoder power port, audio amplifier circuit, microphone, STM32 master controller respectively;
Described down-hole divides the control station to comprise the STM32 master controller, and the serial port 1 of STM32 master controller connects display, and port connects buffer circuit, and serial port 2 connects the serial port 1 of CAN controller, and the SPI2 mouth connects the SPI mouth of audio decoder, and PG` ~ PG5 connects keystroke interface; Audio decoder DAI connects audio amplifier circuit, is connected to microphone, loudspeaker and audio bus interface at audio amplifier circuit; The CAN interface connects the serial port 0 of CAN controller; Power circuit connects the power port of display, Ethernet interface, buffer circuit, CAN controller, audio decoder, audio amplifier circuit, microphone, STM32 master controller respectively;
Described alarm point comprises STC single-chip microcomputer master controller, and the serial port 1 of STC single-chip microcomputer master controller connects display, and serial port 0 connects the serial port 1 of CAN controller, and the P2 mouth connects keystroke interface; The serial port 0 of CAN controller connects the CAN interface; Audio amplifier circuit is connected to microphone, loudspeaker and audio bus interface; Power circuit connects the power port of display, CAN controller, CAN interface, audio amplifier circuit, audio bus interface, microphone, STC single-chip microcomputer master controller respectively.
The aboveground master station of the present invention is placed in aboveground control room, is mainly used in urgent broadcast and sectorization broadcast; The down-hole divides control station to be placed in main contact point, down-hole, be mainly used in urgent call, stand between the interior intercommunication of intercommunication and station; Alarm point is placed in important control point, down-hole, be mainly used in urgent call, stand in intercommunication; Audio amplifier is placed in each zone of down-hole, is mainly used in to amplify.Reach following technique effect: 1, urgent broadcast: the broadcasting that send all terminals, down-hole (comprising branch control station, alarm point, audio amplifier) through master station the ground maneuvers chamber; 2, urgent call: the control calling to control room, ground master station that realize through emergency call button at the station is divided in the down-hole; 3, sectorization broadcast: to one or more specific broadcasting that divides control to stand and send; 3, stand between intercommunication: divide the control station and divide the intercommunication of control between standing; 4, stand in intercommunication: be connected between the alarm point same branch control station in or this alarm point with divide the intercommunication of controlling between standing.The characteristics that the present invention is directed to the downhole communication network have been carried out design again according to priority.According to aboveground master station, the control station is divided in the down-hole, the down-hole alarm point, and down-hole audio amplifier isopreference level order is from high to low carried out the topology on the hardware.Aboveground master station divides the control station to adopt Ethernet to be connected with the down-hole, and the transmission medium of employing has mining netting twine and optical fiber cable for mine, generally can on looped network basis, original down-hole, ore deposit side, expand.The down-hole divides control station and down-hole alarm point to adopt the CAN bus to be connected with audio-frequency bus; Make the down-hole alarm point to send alarm signal to down-hole and divide the control station in the very first time; And open audio-frequency bus, divide the control station to set up through the down-hole and be connected with the voice of aboveground master station.The down-hole audio amplifier then perhaps divides the control station to be connected through audio-frequency bus with nearest alarm point, can realize region-wide Real-time Emergency broadcasting and subregional background music broadcast.The present invention is with respect to traditional ethernet network, and this network possesses high real-time, high reliability, and terminal node is installed characteristics such as simple.With respect to the communication network of traditional special use, this network possesses characteristics such as compatibility is good, and cost is low.
Description of drawings
Fig. 1 is a user mode partial schematic diagram of the present invention.
Fig. 2 is the circuit block diagram of aboveground master station.
Fig. 3 is the circuit block diagram that the control station is divided in the down-hole.
Fig. 4 is the circuit block diagram of alarm point.
Embodiment
As shown in Figure 1; The mining broadcast communication network of a kind of multibus based on priority; Comprise aboveground master station, branch control station, down-hole, alarm point, aboveground master station divides control to stand with the down-hole and is connected through Ethernet; The down-hole divides the control station to be connected with audio-frequency bus through the CAN bus with alarm point, on alarm point, is connected to power amplifier module and loudspeaker.Aboveground master station and down-hole by Ethernet connects divide the control station to constitute broadcast communication server network; On the basis of this core network; The alarm point that adding is connected with audio-frequency bus by the CAN bus; Constitute the additional network that alarm point is arranged, added the audio amplifier that adds again on the basis that the alarm point network is arranged by the audio-frequency bus connection, constituted the additional network that alarm point and audio amplifier are arranged.Among the present invention, the priority of signal is according to arranging as follows from high to low:
Urgent broadcast, urgent call, sectorization broadcast, stand between intercommunication, stand in intercommunication.
Processed adopts preempt-mode, and promptly high priority can be seized the task of ongoing low priority, and same priority is then waited for.
As shown in Figure 2, aboveground master station comprises the STM32 master controller, and the serial port 1 of STM32 master controller connects display, and port connects buffer circuit, and the SPI2 mouth connects the SPI mouth of audio decoder, and PG1 ~ PG5 pin connects keystroke interface; The DAI of audio decoder connects audio amplifier circuit, is connected to microphone and loudspeaker at audio amplifier circuit; Ethernet interface connects buffer circuit; Power circuit connects the power port of display, Ethernet interface, buffer circuit, audio decoder power port, audio amplifier circuit, microphone, STM32 master controller respectively.
As shown in Figure 3, the down-hole divides the control station to comprise the STM32 master controller, and the serial port 1 of STM32 master controller connects display, and port connects buffer circuit, and serial port 2 connects the serial port 1 of CAN controller, and the SPI2 mouth connects the SPI mouth of audio decoder, and PG` ~ PG5 connects keystroke interface; Audio decoder DAI connects audio amplifier circuit, is connected to microphone, loudspeaker and audio bus interface at audio amplifier circuit; The CAN interface connects the serial port 0 of CAN controller; Power circuit connects the power port of display, Ethernet interface, buffer circuit, CAN controller, audio decoder, audio amplifier circuit, microphone, STM32 master controller respectively.The down-hole divides control station that independent IP address is arranged, its handled signal is urgent broadcast, urgent call, sectorization broadcast, stand between intercommunication, the interior intercommunication of standing.Its effect mainly is through the Ethernet receiving emergent broadcast and carries out urgent call.
As shown in Figure 4, alarm point comprises STC single-chip microcomputer master controller, and the serial port 1 of STC single-chip microcomputer master controller connects display, and serial port 0 connects the serial port 1 of CAN controller, and the P2 mouth connects keystroke interface; The serial port 0 of CAN controller connects the CAN interface; Audio amplifier circuit is connected to microphone, loudspeaker and audio bus interface; Power circuit connects the power port of display, CAN controller, CAN interface, audio amplifier circuit, audio bus interface, microphone, STC single-chip microcomputer master controller respectively.Alarm point does not have independent IP address, but the independent CAN network identity is arranged.The signal that it is handled has urgent call, the interior intercommunication of standing.Its effect mainly is to divide the control station to set up control signal through CAN bus and down-hole to be connected, and divides the control station to set up double-directional speech through audio-frequency bus and down-hole and is connected, sets up one-way voice through audio-frequency bus with the power amplifier module of audio amplifier and be connected.
Power amplifier module: be used for audio amplifier, do not have independent IP address, also do not have the CAN network identity.It can receive from the down-hole divides control station, alarm point or other audio amplifiers to get audio signal, is mainly used in to amplify, and its effect mainly is through audio-frequency bus, divides the control station to set up one-way voice with alarm point or down-hole and is connected.
Each terminal, down-hole makes priority obtain the layering processing according to unified processed signal separately, with respect to the mode that focuses on, has reduced the scope of processed.
Handle with respect to traditional layering, multiple bus architecture can be given full play to the advantage of various buses self.For example core network adopts Ethernet, gives full play to the advantage of the big data throughout of this network, and adopts the CAN bus as the secondary additional busses, then is to consider that the data volume of two grade network is little, and is high but real-time requires, and these advantages of CAN bus just.And the audio-frequency bus in the three-level network only is used for transmission of audio signals, does not relate to the processing of logical signal, does not have signal delay, also makes stability better.
Claims (1)
1. mining broadcast communication network of the multibus based on priority; Comprise aboveground master station, branch control station, down-hole; Alarm point; It is characterized in that: aboveground master station divides the control station to be connected through Ethernet with the down-hole, and the down-hole divides the control station to be connected with audio-frequency bus through the CAN bus with alarm point, on alarm point, is connected to power amplifier module and loudspeaker;
Described aboveground master station comprises the STM32 master controller, and the serial port 1 of STM32 master controller connects display, and port connects buffer circuit, and the SPI2 mouth connects the SPI mouth of audio decoder, and PG1 ~ PG5 pin connects keystroke interface; The DAI of audio decoder connects audio amplifier circuit, is connected to microphone and loudspeaker at audio amplifier circuit; Ethernet interface connects buffer circuit; Power circuit connects the power port of display, Ethernet interface, buffer circuit, audio decoder power port, audio amplifier circuit, microphone, STM32 master controller respectively;
Described down-hole divides the control station to comprise the STM32 master controller, and the serial port 1 of STM32 master controller connects display, and port connects buffer circuit, and serial port 2 connects the serial port 1 of CAN controller, and the SPI2 mouth connects the SPI mouth of audio decoder, and PG` ~ PG5 connects keystroke interface; Audio decoder DAI connects audio amplifier circuit, is connected to microphone, loudspeaker and audio bus interface at audio amplifier circuit; The CAN interface connects the serial port 0 of CAN controller; Power circuit connects the power port of display, Ethernet interface, buffer circuit, CAN controller, audio decoder, audio amplifier circuit, microphone, STM32 master controller respectively;
Described alarm point comprises STC single-chip microcomputer master controller, and the serial port 1 of STC single-chip microcomputer master controller connects display, and serial port 0 connects the serial port 1 of CAN controller, and the P2 mouth connects keystroke interface; The serial port 0 of CAN controller connects the CAN interface; Audio amplifier circuit is connected to microphone, loudspeaker and audio bus interface; Power circuit connects the power port of display, CAN controller, CAN interface, audio amplifier circuit, audio bus interface, microphone, STC single-chip microcomputer master controller respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210234190.4A CN102724094B (en) | 2012-07-07 | 2012-07-07 | Multi-bus mine-use broadcast communication network based on priority |
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| CN201210234190.4A CN102724094B (en) | 2012-07-07 | 2012-07-07 | Multi-bus mine-use broadcast communication network based on priority |
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| CN102724094B CN102724094B (en) | 2014-10-08 |
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Cited By (4)
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| CN103616835A (en) * | 2013-11-25 | 2014-03-05 | 韶山恒旺电气有限公司 | Oil quality monitoring control circuit of hydraulic device |
| CN105610564A (en) * | 2015-12-25 | 2016-05-25 | 中国矿业大学 | Mining intrinsic safety type bidirectional digital audio broadcasting system and related hardware architecture thereof |
| CN106254011A (en) * | 2016-08-01 | 2016-12-21 | 广州海格通信集团股份有限公司 | A kind of remote-controlled broadcasting system for ships |
| CN113784231A (en) * | 2021-08-26 | 2021-12-10 | 晨晓科技(浙江）有限公司 | Multi-region digital broadcast talkback communication system for nuclear power station gas coating |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616835A (en) * | 2013-11-25 | 2014-03-05 | 韶山恒旺电气有限公司 | Oil quality monitoring control circuit of hydraulic device |
| CN103616835B (en) * | 2013-11-25 | 2015-09-30 | 韶山恒旺电气有限公司 | The oily Monitoring and Controlling circuit of hydraulically operated equipment (HOE) |
| CN105610564A (en) * | 2015-12-25 | 2016-05-25 | 中国矿业大学 | Mining intrinsic safety type bidirectional digital audio broadcasting system and related hardware architecture thereof |
| CN106254011A (en) * | 2016-08-01 | 2016-12-21 | 广州海格通信集团股份有限公司 | A kind of remote-controlled broadcasting system for ships |
| CN106254011B (en) * | 2016-08-01 | 2019-10-18 | 广州海格通信集团股份有限公司 | A kind of remote-controlled broadcasting system for ships |
| CN113784231A (en) * | 2021-08-26 | 2021-12-10 | 晨晓科技(浙江）有限公司 | Multi-region digital broadcast talkback communication system for nuclear power station gas coating |
| CN113784231B (en) * | 2021-08-26 | 2023-08-15 | 晨晓科技(浙江）有限公司 | Multi-region digital broadcasting intercom communication system for nuclear power station gas clothes |
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