CN201750427U - Mine wireless interface substation - Google Patents
Mine wireless interface substation Download PDFInfo
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- CN201750427U CN201750427U CN2010201067345U CN201020106734U CN201750427U CN 201750427 U CN201750427 U CN 201750427U CN 2010201067345 U CN2010201067345 U CN 2010201067345U CN 201020106734 U CN201020106734 U CN 201020106734U CN 201750427 U CN201750427 U CN 201750427U
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Abstract
A mine wireless interface substation comprises a WiFi wireless module, an antenna, an Ethernet switching module, a serial protocol conversion module, a bus access module, a switch power supply and a casing, and is characterized in that the WiFi wireless module, the serial protocol conversion module and the bus access module are connected with the Ethernet switching module, the antenna is connected with the radio frequency output port of the WiFi wireless module, and the modules are supplied power through the switch power supply, and are arranged in the casing; through the WiFi wireless module or the Ethernet switching module in the substation, the substation can realize the data transmission and network interconnection between the substations and between the substation and other WiFi device, and simultaneously realizes the access of the serial port device and the bus device. The substation meets the requirement on the safety technique of the electrical equipment for mine underground explosive gas atmosphere, and also meets the requirement that the underground industrial automation terminal or device is wirelessly accessed to the system or network.
Description
Technical field
The utility model relates to a kind of mining wireless communication system, specifically, relates to a kind of mining wave point substation.
Background technology
Coal is the important energy source of China, accounts for 70% of primary energy, and the existing colliery of China is about 2.3 ten thousand at present, and national coal total output was about 2,700,000,000 tons in 2008.China's coal-mine is underground mining more than 95%, the sound development that the coal storage condition is poor, mining depth is dark, gas, coal dust, floods, fire, bump, underground heat etc. are perplexing coal industry, coal industry is the high risk industries in China industrial and mining enterprises always.What coal mining faced is the production environment that moves, except that nonvolatil big lane, behind the coal work of finishing an exploiting field, need be with the resettlement of large number quipments such as digging, supporting, communication, monitoring, transportation, electric power, ventilating drainage to new bank.What the driving of underworkings faced equally is the operational environment that does not stop moving, and a large amount of equipment need be followed the progress of driving and be moved at any time.
Be a special operational environment under the coal mine, therefore, the mine wireless communication system is different from general terrestrial wireless communication system, has following characteristics:
(1) intrinsic safety type electric equipment.Imflammable gas and coal dusts such as methane are arranged under the coal mine, so the good inbeing safe explosion prevention measure of communication equipment requirement employing security performance, the communication equipment in colliery must have explosion-proof licence.
(2) sending allowance is big.Mine can reach tens in length and breadth to kilometer up to a hundred, and the space is narrow and small under the coal mine, the tunnel tilts, turn round and branch, tunnel rough surface, and baffle element such as main equipment is arranged, and sending allowance is big.So select suitable frequency and structure reasonable in design for use, could guarantee that mine mobile communication system covers full mine.
(3) equipment volume is little.The space is narrow and small under the coal mine, and the mine largest cross-sectional sized is also with regard to about 4～6m, and has also set up power cable, illuminating line in this narrow space, has laid water pipe, rail.Therefore, the volume of communication equipment can not be very big.
(4) transmitting power is little.The peak power output of inbeing safe explosion prevention electric equipment is about 25W, so mine mobile communication equipment transmitting power is generally less, so should adopt the measure of various reduction power, must consider explosion-proof, volume and weight simultaneously.
(5) antijamming capability is strong.The space, down-hole is narrow, electromechanical equipment is concentrated relatively, power is big, so electromagnetic interference is serious.So equipment should have stronger antijamming capability.In mine, natural radiation is little, and the little and artificial emission of electrostatic interference wave interference is little, but the interference of 50Hz and its harmonic wave and interference that the electric locomotive spark is caused are big.So mine communication system should be considered these interference sources on operating frequency is selected, should select high frequency or very high frequency(VHF) as the system works frequency as far as possible.In wire transmission and power supply design, must consider jamproof problem simultaneously.
(6) barrier propterty is good.Performances such as dustproof, waterproof, protection against the tide, mildew-resistant, anti-mechanical shock should be arranged.
(7) the fault-resistant ability is strong.The colliery subsurface environment is abominable, and corollary failures such as roof caving, locomotive derailing are inevitable, and the incident of artificial destruction simultaneously also happens occasionally.Therefore mine communication system should have stronger fault-resistant ability.
Along with the maturation and the progress of industrial automation technology, the industrial automation technology is used widely in China's coal-mine, has brought into play enormous function aspect horizontal cutting payroll to improve efficiency, improve the safety management of coal peace.Up to now, industrial automation system networking of China's coal-mine down-hole and terminal insert all in the wire communication mode, what coal mining faced is the production environment that moves, except that nonvolatil big lane, behind the coal work of finishing an exploiting field, need be with the resettlement of large number quipments such as digging, supporting, communication, monitoring, transportation, electric power, ventilating drainage to new bank.What the driving of underworkings faced equally is the operational environment that does not stop moving, and a large amount of equipment need be followed the progress of driving and be moved at any time.And the production environment under the coal mine is poor, weight equipment is many, the Personnel Skill Levels is low, and the incident of optical cable and telecommunication cable damage often takes place, and influences the operate as normal of automated system, has restricted further developing of down-hole industrial automation system.
Up to now, go back neither one based on the automated system of wireless communication technology in down-hole application.And the mining wave point substation that the utility model relates to allows the convenience advantage of radio communication obtain in the automated system embodying under coal mine just.
Summary of the invention
The utility model is in order to solve above-mentioned weak point, a kind of high bandwidth, interface type is abundant, reliability is high mining wave point substation is provided, the industrial automation terminal with this locality such as Ethernet light mouth, Ethernet electricity mouth, RS485/422/232 serial ports, CAN bus interface and wireless WiFi interface can be provided, other professional substation and monitored equipment access and be connected to the wireless base station of far-end and be transferred to network or system by wireless mode.
In order to realize the purpose of this utility model, by the following technical solutions: 1. mining wave point substation, described substation is by the WiFi wireless module, antenna, ethernet switching module, the serial port protocol modular converter, the bus access module, Switching Power Supply, shell is formed, it is characterized in that described substation is by between inner WiFi wireless module or the ethernet switching module realization substation, substation and other WiFi data transfer between devices and the network interconnection, realize that simultaneously serial equipment inserts, bus apparatus inserts, the WiFi wireless module, the serial port protocol modular converter, the bus access module connects ethernet switching module, antenna connects WiFi wireless module radio-frequency (RF) output end mouth, the WiFi wireless module, ethernet switching module, the serial port protocol modular converter, the bus access module is powered by Switching Power Supply, the WiFi wireless module, ethernet switching module, the serial port protocol modular converter, the bus access module, Switching Power Supply is installed in the enclosure.
2. described mining wave point substation is characterized in that described ethernet switching module is the looped network ethernet module.
3. described mining wave point substation is characterized in that it also comprises administration module, and described administration module connects Switching Power Supply and ethernet switching module.
4. described mining wave point substation is characterized in that its serial port protocol modular converter, bus access module all are equipped with the intrinsic safety buffer circuit.
5. described mining wave point substation is characterized in that it also comprises backup battery, and described backup battery connects described Switching Power Supply.
6. described mining wave point substation is characterized in that described WiFi wireless module support Wireless Mesh and wireless bridge agreement.
7. described mining wave point substation is characterized in that administration module also comprises the digital video coding module, can be the digital signal of form H.264 with the analog audio-video signal encoding of outside input.
8. described mining wave point substation is characterized in that administration module also comprises the local memory module of audio frequency and video numeral.
The beneficial effects of the utility model are:
1. a kind of high bandwidth is provided, interface type is abundant, the mining wave point substation that reliability is high, Ethernet light mouth can be provided, Ethernet electricity mouth, the RS485/422/232 serial ports, CAN bus interface and wireless WiFi interface etc. are with on-the-spot local industrial automation terminal, the WiFi wireless device, other professional substation and monitored equipment insert and are connected to the wireless base station of far-end and are transferred to network or system by wireless mode, allowing the convenience advantage of radio communication obtain in the automated system embodying under coal mine, is useful replenishing to existing down-hole industrial automation system.
2. mining wave point substation not only can be used as the interface substation that industrial automation system or equipment inserts and uses, and also possesses the networking capability of the wireless or fiber optic Ethernet of WiFi between substation, can form network and system alone.
3. mining wave point substation makes it have powerful superfluous calamity function by adopting looped network redundancy and wireless self-networking Mesh technology, has improved the reliability of system.
4. by the administration module of mining wave point substation, can monitor the power supply situation of described substation in real time.When the external ac power source outage, when enabling the backup battery power supply, alarm is sent at the center earthward, and when backup battery voltage was low, alarm was sent at the center earthward.
5. the also built-in video encoder module of administration module can realize the coding and the transfer function of the simulation video/audio signal of video camera that this locality is inserted.
6. the built-in storage card of administration module can carry out storage backup to data, video, the voice data that this locality is inserted, and has also promptly possessed the function of down-hole " black box ".
Description of drawings
Fig. 1 is mining wave point substation operation principle block diagram
Fig. 2 is an ethernet switching module operation principle block diagram
Fig. 3 is an administration module operation principle block diagram;
Fig. 4 is a wireless module operation principle block diagram;
Embodiment
The following example will further specify the utility model, and embodiment should not be regarded as limiting scope of the present utility model.
As shown in Figure 1, be mining wave point substation basic functional principle block diagram.
1) substation is transmission and the core that exchanges with the switch module, switch module provides 4 Ethernets, 100,000,000 light mouth FE1,2,3,4, wherein two light mouth FE1,2 are for organizing the light mouth of Self-healing Rings, and to realize the interconnected and networking between substation, light mouth FE3,4 is in order to insert other ethernet device; Switch module also provides 4 Ethernets 100,000,000 electricity mouthful Eth1,2,3,4, can insert other ethernet device; Switch module also provides 2 road CAN bus interface, can insert other with the equipment based on the CAN bus communication; Switch module also provides 2 road RS485/422 interfaces, can insert other with the equipment based on RS485/422 communication.
2) the wireless bridge module possesses the two-way prevention at radio-frequency port, internally connects switch module by ethernet port, and externally the two-way prevention at radio-frequency port connects antenna by isolator, with the wireless networking between wireless bridge agreement or Mesh agreement realization substation and interconnected.
3) radio access point module internally connects switch module by ethernet port, and externally prevention at radio-frequency port is divided into 2 the tunnel by power splitter, and every road connects antenna by isolator, realizes near the covering of the wireless signal that substation is.
4) management board one end connects switch module by ethernet port, realizes network service; One end connects switch power module, the working condition of outstation power supply; One end connects the analog video signal of outside input, is stored in this locality after encoding and transfers to network.
5) switch power module is the substation power supply, and switch power module backup battery in parallel realizes that the substation reserve after the external power source outage is powered.
As shown in Figure 2, it is ethernet switching module operation principle block diagram, ethernet switching module is a core with the IEM608 module, and 2 100,000,000 Self-healing Rings light mouths, 2 100,000,000 light-reply by cable with mouth, 2 CAN buses (intrinsic safety output), 2 485 buses (intrinsic safety output) are provided; 4 ether electricity mouthful (reusable).
1) external OR1, OR2 optical module constitute 100,000,000 Self-healing Rings passages;
2) realize the multiplexing of 100,000,000 light mouths between O1 and FE1 and O2 and the FE2 and electricity mouthful by diverter switch Switch;
3) 1 electricity mouth link CAN Server server, CTM8251T isolate transceiver, ESI intrinsic safety isolator provides 2 road essential safe type CAN bus interface C1/2 by fixing;
4) provide 2 road essential safe types 485 interface RS1/2 by multiplexing 1 the electricity mouthful FE3 of diverter switch Switch and link Serial Server serial server, Rsm485CHT isolation transceiver, ESI intrinsic safety isolator;
5) provide an independent F E4 100,000,000 electricity mouths;
As shown in Figure 3, be administration module operation principle block diagram.Administration module is monitored power supply voltage, the electric current of mining wave point substation, internal circuit plate temperature, voltage on the plate by the Ethernet Long-distance Control; Can the mining wave point substation of remote reset internal unit; Provide the local storage of big capacity to support; Possess video coding, decoding function, audio coding, decoding function can provide unidirectional, two-way audio-video network transmitting function.
1) core processor part: the Hi3510 processor is thought in the sea.Hi3510 adopts the double-core framework, integrated ARM926EJ-S and High Performance DSP.ARM926EJ-S is the main control processor of chip, the work of responsible each module of control chip and operation system, procotol, application software etc.Dsp system mainly is responsible for the video/audio encoding and decoding Business Processing, cooperates the coding and decoding video module to finish H.261/H.263/H.264 encoding and decoding jointly by coprocessor; The Hi3510 processor contains video, audio coding decoding hardware cell simultaneously; Hi3510 processor and Flash memory and DDR SDRAM etc. form the control core;
2) Ethernet interface part provides the Ethernet concatenation ability;
3) video, audio coding decoding part, video, the audio coding decoding hardware cell of cooperation Hi3510 processor provide the hardware compression function;
4) USB interface, SD deck provide big capacity storage and connect the ability of other peripheral hardwares;
5) provide RS485, RS232 interface;
6) power management part comprises and gathers alternating voltage, alternating current, direct voltage, and by the temperature sensor measurement plate temperature; The control core can heavily power on base station equipment, homing device by the power control part branch.
7) the upper computer software platform is used in operation, controls with data by Ethernet and equipment and transmits.
As shown in Figure 4, being wireless module operation principle block diagram. wireless communication module is realized the wired function with wireless link, wireless and wireless link and wireless coverage of Ethernet.
1) wireless communication module is a core by the INTEL-IXP422 microprocessor, is furnished with the external memorizer HY57V281620FTP2 RAM and the TE28F640J3D3 Flash ROM of support; Module is supported the Mesh agreement, can be operated in the pattern of replace mode and bridge joint.
2) 2 mini pci interfaces connect 2 Wi-Fi wireless LAN card Mini PCI ConnectorP1, and P2 realizes the transmitting-receiving of wireless signal, and radio frequency interface is arranged on the wireless LAN card, can connect outside antenna; Can be at a slice Mini PCI wireless LAN card operation Mesh or bridged protocol, wireless networking between realization wave point substation and interconnected, make the AP use of wireless coverage simultaneously of another sheet Mini PCI wireless LAN card, realize the covering function of native wireless signals.
3) realize that by ethernet controller ADM7001, isolating transformer PH163112, RJ45 Ethernet interface connector local ethernet 100,000,000 electricity mouths are with equipment such as connection local Ethernet switch;
4) by 12V DC power supply IM500s, power rectifier bridge 17.Bridge Diode, POE charger POEController 18, TPS23750, power supervisor 19.TPS5430 constitute the power supply unit of wireless communication module jointly, can support 12VDC power supply and POE mode to power.
Claims (8)
1. mining wave point substation, described substation is by the WiFi wireless module, antenna, ethernet switching module, the serial port protocol modular converter, the bus access module, Switching Power Supply, shell is formed, it is characterized in that described WiFi wireless module, the serial port protocol modular converter, the bus access module connects ethernet switching module, antenna connects WiFi wireless module radio-frequency (RF) output end mouth, the WiFi wireless module, ethernet switching module, the serial port protocol modular converter, the bus access module is powered by Switching Power Supply, the WiFi wireless module, ethernet switching module, the serial port protocol modular converter, the bus access module, Switching Power Supply is installed in the enclosure.
2. mining wave point substation according to claim 1 is characterized in that described ethernet switching module is the looped network ethernet module.
3. mining wave point substation according to claim 1 is characterized in that it also comprises safety management module, and described safety management module connects Switching Power Supply and ethernet switching module.
4. mining wave point substation according to claim 1 is characterized in that its serial port protocol modular converter, bus access module all are equipped with the intrinsic safety buffer circuit.
5. mining wave point substation according to claim 1 is characterized in that it also comprises backup battery, and described backup battery connects described Switching Power Supply.
6. mining wave point substation according to claim 1 is characterized in that described WiFi wireless module support Wireless Mesh and wireless bridge agreement.
7. mining wave point substation according to claim 3 is characterized in that administration module also comprises the digital video coding circuit, can be the digital signal of form H.264 with the analog audio-video signal encoding of outside input.
8. mining wave point substation according to claim 3 is characterized in that administration module also comprises the local memory circuit of audio frequency and video numeral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201067345U CN201750427U (en) | 2010-02-03 | 2010-02-03 | Mine wireless interface substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201067345U CN201750427U (en) | 2010-02-03 | 2010-02-03 | Mine wireless interface substation |
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| Publication Number | Publication Date |
|---|---|
| CN201750427U true CN201750427U (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201067345U Expired - Fee Related CN201750427U (en) | 2010-02-03 | 2010-02-03 | Mine wireless interface substation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103889014A (en) * | 2014-04-08 | 2014-06-25 | 中国矿业大学(北京) | Multi-mode mine wireless communication gateway and switching method |
| CN110572334A (en) * | 2019-09-17 | 2019-12-13 | 深圳市三旺通信股份有限公司 | Step-by-step power-on method and system for intrinsic safety type ten-gigabit three-layer switch |
| CN112083381A (en) * | 2020-09-15 | 2020-12-15 | 苏州映赛智能科技有限公司 | Fusion perception hardware system |
-
2010
- 2010-02-03 CN CN2010201067345U patent/CN201750427U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103889014A (en) * | 2014-04-08 | 2014-06-25 | 中国矿业大学(北京) | Multi-mode mine wireless communication gateway and switching method |
| CN103889014B (en) * | 2014-04-08 | 2017-06-09 | 中国矿业大学(北京) | A kind of multi-mode mine wireless communication gateway and changing method |
| CN110572334A (en) * | 2019-09-17 | 2019-12-13 | 深圳市三旺通信股份有限公司 | Step-by-step power-on method and system for intrinsic safety type ten-gigabit three-layer switch |
| CN110572334B (en) * | 2019-09-17 | 2021-10-22 | 深圳市三旺通信股份有限公司 | Step-by-step power-on method and system for intrinsic safety type ten-gigabit three-layer switch |
| CN112083381A (en) * | 2020-09-15 | 2020-12-15 | 苏州映赛智能科技有限公司 | Fusion perception hardware system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20140203 |