CN202713344U - Multi-bus mine-used broadcast communication network based on priority - Google Patents
Multi-bus mine-used broadcast communication network based on priority Download PDFInfo
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- CN202713344U CN202713344U CN 201220327888 CN201220327888U CN202713344U CN 202713344 U CN202713344 U CN 202713344U CN 201220327888 CN201220327888 CN 201220327888 CN 201220327888 U CN201220327888 U CN 201220327888U CN 202713344 U CN202713344 U CN 202713344U
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Abstract
The utility model discloses a multi-bus mine-used broadcast communication network based on priority, comprising a ground main control station, underground sub-control stations, and alarm points, wherein the ground main control station is connected with the underground sub-control stations via the Ethernet; the underground sub-control stations are connected with the alarm points via CAN buses and audio buses; and a power amplifier module and a loudspeaker are connected to each alarm point. The network has the follows technical effects of: (1) emergency broadcast, which refers to a broadcast that a ground dispatch room sends to all underground terminals (including sub-control stations, the alarm points and a sound box) via the main control station; (2) emergency call, which refers to a call that the underground sub-control station initiates to the ground dispatch room via an emergency calling button; (3) subarea broadcast, which refers to a broadcast sent aiming at one or multiple special sub-control stations; (4) inter-station talkback, which refers to the talkback between sub-control stations; and (5) in-station talkback, which refers to the talkback between alarm points connected in a same sub-control station or between the alarm points and the sub-control stations.
Description
Technical field
The utility model relates to a kind of mining broadcast communication network.
Background technology
Environment under the coal mine is different from ground environment; as having determined it, main down-hole channel architecture can not as ground, come the signal of feasible region to cover with the single-point base station take the tunnel; the general mode that adopts many nodes (comprising distributed base station); yet along with increasing and the increase of the number of plies of node; if adopt single Ethernet protocol; because ethernet data frame belongs to complex data structures; and Ethernet data generally all needs to carry out address transition through node the time; the process of storage forwarding; the processing of the priority class of traffic usually can be brought in software at server and be processed; the expense that signal switches is very large; the real-time performance of whole like this network and stability will obviously descend, and can not satisfy the prerequisite real-time of undershaft communication system and high reliability.Other special-purpose bus structures then exist compatible bad, and installation difficulty is large, the high in cost of production shortcoming.
The multibus of Priority-based is mining broadcast communication network realized the division of priority from hardware, thereby so that terminal node can use simple communication bus and agreement and upper level interconnected for the characteristics of mining radio communication system.In the actual use procedure of a plurality of subsurface environments, the high real-time of this system, high reliability, wide compatibility, the advantage that the aspect such as simple and easy and low-cost is installed has all obtained good embodiment.
The utility model content
The purpose of this utility model provides a kind of mining broadcast communication network of multibus of Priority-based.
The technical solution of the utility model is, a kind of multibus of Priority-based is mining broadcast communication network, comprise that aboveground master station, down-hole divide control station, alarm point, it is characterized in that: aboveground master station divides the control station to be connected by Ethernet with the down-hole, the down-hole divides the control station to be connected with audio-frequency bus by the CAN bus with alarm point, is connected to power amplifier module and loudspeaker at alarm point;
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 respectively the power port of display, Ethernet interface, buffer circuit, audio decoder power port, audio amplifier circuit, microphone, STM32 master controller;
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 respectively the power port of display, Ethernet interface, buffer circuit, CAN controller, audio decoder, audio amplifier circuit, microphone, STM32 master controller;
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 respectively the power port of display, CAN controller, CAN interface, audio amplifier circuit, audio bus interface, microphone, STC single-chip microcomputer master controller.
The aboveground master station of the utility model 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 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 the regional of down-hole, is mainly used in amplifying.Reach following technique effect: 1, urgent broadcast: the broadcasting that the ground maneuvers chamber sends all terminals of down-hole (comprising a minute control station, alarm point, audio amplifier) by master station; 2, urgent call: the control calling to control room, ground master station that realize by emergency call button at the station is divided in the down-hole; 3, sectorization broadcast: for the broadcasting of specific one or more minute control station transmission; 3, stand between intercommunication: the intercommunication between standing with minute control in minute control station; 4, stand in intercommunication: be connected between same minute alarm point in the control station or the intercommunication of this alarm point between standing with minute control.The utility model redesigns according to priority for the characteristics of downhole communication network.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 expand on looped network basis, original down-hole in ore deposit side.The down-hole divides control station and down-hole alarm point to adopt the CAN bus to be connected with audio-frequency bus, so that can sending alarm signal to down-hole in the very first time, the down-hole alarm point divides the control station, and open audio-frequency bus, divide the control station to set up by the down-hole and be connected with the voice of aboveground master station.The down-hole audio amplifier then is connected with nearest alarm point or a minute control station by audio-frequency bus, can realize region-wide Real-time Emergency broadcasting and the broadcast of subregional background music.The utility model is with respect to traditional ethernet network, and this network possesses high real-time, high reliability, and terminal node is installed the characteristics such as simple.With respect to the communication network of traditional special use, this network possesses the characteristics such as compatibility is good, and cost is low.
Description of drawings
Fig. 1 is that the utility model uses the state partial schematic diagram.
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, a kind of multibus of Priority-based is mining broadcast communication network, comprise that aboveground master station, down-hole divide control station, alarm point, aboveground master station divides the control station to be connected by Ethernet with the down-hole, the down-hole divides the control station to be connected with audio-frequency bus by the CAN bus with alarm point, is connected to power amplifier module and loudspeaker at alarm point.Divide the control station to consist of broadcast communication server network by aboveground master station and down-hole that Ethernet connects, on the basis of this core network, the alarm point that adding is connected with audio-frequency bus by the CAN bus, consisted of the network that is attached with alarm point, on the basis that is attached with the alarm point network, add again the audio amplifier that is connected by audio-frequency bus, consisted of the network that is attached with alarm point and audio amplifier.In the utility model, the priority of signal is as follows according to arranging from high to low:
Urgent broadcast, urgent call, sectorization broadcast, stand between intercommunication, stand in intercommunication.
Processed adopts preempt-mode, and namely 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 respectively the power port of display, Ethernet interface, buffer circuit, audio decoder power port, audio amplifier circuit, microphone, STM32 master controller.
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 respectively the power port of display, Ethernet interface, buffer circuit, CAN controller, audio decoder, audio amplifier circuit, microphone, STM32 master controller.The down-hole divides control station that independently 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 by 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 respectively the power port of display, CAN controller, CAN interface, audio amplifier circuit, audio bus interface, microphone, STC single-chip microcomputer master controller.Alarm point does not have independently IP address, but independently CAN network identity is arranged.The signal that it is processed has urgent call, the interior intercommunication of standing.Its effect mainly is to divide the control station to set up control signal by CAN bus and down-hole to be connected, and divides the control station to set up double-directional speech by audio-frequency bus and down-hole and is connected, sets up one-way voice by 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 independently 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 amplifying, and its effect mainly is by audio-frequency bus, divides the control station to set up one-way voice with alarm point or down-hole and is connected.
Each down-hole terminal 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.
Process 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 large data throughout of this network, and adopts the CAN bus as the secondary additional busses, then be to consider that the data volume of two grade network is little, but requirement of real-time is high, and these advantages of CAN bus just.And the audio-frequency bus in the three-level network only is used for the transmission of audio signal, does not relate to the processing of logical signal, does not have signal delay, also so that stability is better.
Claims (1)
1. the mining broadcast communication network of the multibus of a Priority-based, comprise that aboveground master station, down-hole divide control station, alarm point, it is characterized in that: aboveground master station divides the control station to be connected by Ethernet with the down-hole, the down-hole divides the control station to be connected with audio-frequency bus by the CAN bus with alarm point, is connected to power amplifier module and loudspeaker at alarm point;
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 respectively the power port of display, Ethernet interface, buffer circuit, audio decoder power port, audio amplifier circuit, microphone, STM32 master controller;
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 respectively the power port of display, Ethernet interface, buffer circuit, CAN controller, audio decoder, audio amplifier circuit, microphone, STM32 master controller;
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 respectively the power port of display, CAN controller, CAN interface, audio amplifier circuit, audio bus interface, microphone, STC single-chip microcomputer master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220327888 CN202713344U (en) | 2012-07-07 | 2012-07-07 | Multi-bus mine-used broadcast communication network based on priority |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220327888 CN202713344U (en) | 2012-07-07 | 2012-07-07 | Multi-bus mine-used broadcast communication network based on priority |
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| Publication Number | Publication Date |
|---|---|
| CN202713344U true CN202713344U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220327888 Withdrawn - After Issue CN202713344U (en) | 2012-07-07 | 2012-07-07 | Multi-bus mine-used broadcast communication network based on priority |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202713344U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102724094A (en) * | 2012-07-07 | 2012-10-10 | 韶山恒旺电气有限公司 | Multi-bus mine-use broadcast communication network based on priority |
| CN106471823A (en) * | 2014-06-27 | 2017-03-01 | 微软技术许可有限责任公司 | Directional audio notifies |
-
2012
- 2012-07-07 CN CN 201220327888 patent/CN202713344U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102724094A (en) * | 2012-07-07 | 2012-10-10 | 韶山恒旺电气有限公司 | Multi-bus mine-use broadcast communication network based on priority |
| CN102724094B (en) * | 2012-07-07 | 2014-10-08 | 韶山恒旺电气有限公司 | Multi-bus mine-use broadcast communication network based on priority |
| CN106471823A (en) * | 2014-06-27 | 2017-03-01 | 微软技术许可有限责任公司 | Directional audio notifies |
| CN106471823B (en) * | 2014-06-27 | 2020-11-24 | 微软技术许可有限责任公司 | Directional audio notification |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130130 Effective date of abandoning: 20141008 |
|
| RGAV | Abandon patent right to avoid regrant |