Utility model content
The purpose of this utility model is to propose the system of a kind of underground coal mine wireless access base station, it is intended to solves how to efficiently reduce the quantity of the main transmission equipment in down-hole and reduces the quantity of downhole transmitted cable simultaneously.
For reaching this purpose, this utility model by the following technical solutions:
The system of a kind of underground coal mine wireless access base station, described system includes the access for data, transmit and the basic module that shows and for realizing the business module of the business demand pre-set of user；
Wherein, described basic module includes 4G base station module, WIFI AP module, power module, IP Switching Module, intrinsic safety interface module, warning module and serial server；
Described business module includes locating module, IP broadcast module and IAD module.
Preferably, carrying out interconnecting communication with externally providing the described IP Switching Module of photoelectricity network interface with the carrying of IPization form while of for being accessed by the modules of described wireless access inside of base station by 1 FE electricity mouth for accessing the described WIFI AP module of the equipment that underground coal mine has wireless communication interface, described WIFI AP module uses signal covering frequence to be 2.4GHz frequency range；
Described IP Switching Module realizes interconnecting with described IP Switching Module by 1 input FE light mouth；
Thering is provided 2 FE intrinsic safety electricity mouths, 2 FE light mouths and 1 RS485 port output for the output interface of non-intrinsic safety being converted into the described intrinsic safety interface module of the output interface of intrinsic safety, realizing interconnecting with described IP Switching Module by 1 input FE light mouth；
Including two RS485 interfaces and a RJ45 interface for realizing the described serial server of the mutual rotating function of RS485 signal and TCP/IP signal, described serial server realizes interconnecting by 1 FE electricity mouth and described IP Switching Module.
Preferably, operating frequency for the transmitting of 4G signal and the described 4G base station module of reception uses 2.6GHz frequency range, described 4G base station module maximum supports that 400 connect number of users, maximum throughput can reach descending 150Mbit/s, up 50Mbit/s, realizes, by external antenna, the wireless coverage that radius is 400～500 meters.
Preferably, for providing the described power module of power supply to provide input to support 127VAC, 380VAC, 660VAC tri-tunnel adaptation input to the modules of described wireless access inside of base station, output uses modularized design, 9 tunnels can be exported, it is divided into intrinsic safety and two kinds of power supply types of non-intrinsic safety, DC voltage-stabilizing 12VDC, 48VDC ,-54VDC are supported in output, and provide 8 joints to be composed in series 60AH LiFePO4 backup battery group.
Preferably, described information for showing safety monitoring data, emergency notice, evacuation route, safety education and security warning the RS485 interface inter-link of warning module and the described serial server module of display speech play in real time on a display screen.
Preferably, the pinpoint described locating module of personnel in realizing wireless signal coverage is accurately positioned based on TOA technology, and using tranmitting frequency is 2.4GHz frequency range, and coverage distance reaches 400 meters, positioning precision is not more than 10 meters, meets 200 card 80KM speed per hours concurrently by not leaking card；Described locating module realizes interconnecting by 1 FE light mouth and IP Switching Module.
Preferably, described for accessing underground coal mine broadcast stereo module and realizing the IP broadcast module that the IP to sound equipment controls and interconnected by 1 input FE light mouth and described IP Switching Module realization.
Preferably, the described IAD module accessing exchange for underground coal mine fixed line analog end with described IP Switching Module is accessed for simulation landline telephone by 1 POTS port, and front end uses in the lump with guard grating；And realize interconnecting with described IP Switching Module by 1 input FE electricity mouth.
Preferably, described 4G base station module uses 2.6GHz frequency range, and described WIFI AP module uses 2.6GHz frequency range, and described locating module uses 2.4GHz frequency range；Described 4G base station module and described WIFI AP module share a set of antenna, and described locating module is used alone a set of antenna.
Preferably, the physical placement position of two set antennas is for laterally retaining 3 meters of relative distances, and height to keep the relative fall of 0.5 meter；
CHANNEL 6 channel of the CHANNEL that mid frequency is 2412MHz 1 and 2437MHz that described WIFI AP module selects is as communication channel, CHANNEL 25 channel of the CHANNEL 23 or 2475MHz of the CHANNEL that mid frequency is 2455MHz 21 or 2465MHz that described locating module selects.
Preferably, the covering position of described wireless access base station is: enter well head, crossing, tunnel, tunnel bifurcations, face entrance, deathtrap entrance, Abandoned Tunnel entrance, be prohibited from entering area entry, near return airway iron gate/timber, combine adopt, Lian Cai, fully mechanized workface, refuge chamber, electric substation, belt conveyer head, Ventilator Room, pump house and the position of special setting.
Preferably, the deployment distance between described wireless access base station is spaced apart 400 meters.
This utility model provides the system of a kind of underground coal mine wireless access base station, and described system includes the access for data, transmit and the basic module that shows and for realizing the business module of the business demand pre-set of user；Wherein, described basic module includes 4G base station module, WIFI AP module, power module, IP Switching Module, intrinsic safety interface module, warning module and serial server；Described business module includes locating module, IP broadcast module and IAD module.This utility model is for the access that cannot meet sorts of systems distinct device in prior art requires, can realize wireless communication system, industrial automation system, personnel's Vehicle positioning system, closed-circuit TV system, ip voice are expanded broadcast system, down-hole warning system and unify carrying and unified management in terms of main transmission equipment, and the special environment requirement according to underground coal mine, covering to underground signal proposes dispositions method, thus efficiently reduce the quantity of the main transmission equipment in down-hole, also reduce the quantity of downhole transmitted cable simultaneously.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by detailed description of the invention.
It it is the structural representation of the system of this utility model embodiment underground coal mine wireless access base station with reference to Fig. 1, Fig. 1.
As it is shown in figure 1, the system of described underground coal mine wireless access base station includes:
Basic module and business module, described basic module is used for the access of data, transmits and show；Described business module is for realizing the business demand pre-set of user；
Wherein, described basic module includes 4G base station module, WIFI AP module, power module, IP Switching Module, intrinsic safety interface module, warning module and serial server；
Described business module includes locating module, IP broadcast module and IAD module.
Preferably, described 4G base station module, for transmitting and the reception of 4G signal；
Described WIFI AP module, has the equipment of wireless communication interface for accessing underground coal mine；
Described power module, for providing power supply to the modules of described wireless access inside of base station；
Described IP Switching Module, for being accessed with the carrying of IPization form by the modules of described wireless access inside of base station, the most externally provides photoelectricity network interface；
Described intrinsic safety interface module, for being converted into the output interface of intrinsic safety by the output interface of non-intrinsic safety；
Described warning module, for the issue of underground coal mine information；
Described serial server, for realizing the mutual rotating function of RS485 signal and TCP/IP signal.
Concrete, described underground coal mine integrated service wireless access base station can provide access 4 GE light mouths, 2 FE light mouths, 2 FE intrinsic safety electricity mouths, 3 RS485 mouths.A kind of underground coal mine integrated service wireless access base station, it is characterized in that, including with lower module: underground explosion-proof intrinsically safe power supply, IP Switching Module, IAD module, IP broadcast module, WIFI AP module, intrinsic safety interface module, personnel's pinpoint module, serial server module, safe early warning module, 4G base station module.Underground explosion-proof is held concurrently intrinsic safety ups power, for providing power supply input requirements to wireless access inside of base station modules.Power supply provides input to support 127VAC, 380VAC, 660VAC tri-tunnel adaptation input, and output uses modularized design, can export 9 tunnels, be divided into intrinsic safety and two kinds of power supply types of non-intrinsic safety, and output can support DC voltage-stabilizing 12VDC, 48VDC ,-54VDC.And provide 8 joints to be composed in series 60AH LiFePO4 backup battery group.
Described IP Switching Module, for being accessed with the carrying of IPization form by wireless access inside of base station modules, the most externally provides photoelectricity network interface.IP Switching Module provides 4 GE light mouths, 4 FE light mouths, 4 FE electricity mouths.
Described WIFI AP module, has the equipment of wireless communication interface for accessing down-hole, and all wireless devices in coverage range of wireless access point can be in communication with each other by it, and WIFI AP is communication bridge between wireless network and wired network.Carrying out interconnecting communication by 1 FE electricity mouth and IP Switching Module, WIFI AP module uses signal covering frequence to be 2.4GHz frequency range.
Described intrinsic safety interface module, for being converted into the output interface of intrinsic safety by the output interface of non-intrinsic safety.Because country's MA safety criterion is necessary for the relevant regulations of intrinsic safety interface, so intrinsic safety interface module must be used to realize the conversion requirements of interface to the interface that externally provides of colliery downhole equipment.According to design requirement, this intrinsic safety interface module provides 2 FE intrinsic safety electricity mouths, 2 FE light mouths and 1 RS485 port output.Realize interconnecting with IP Switching Module by 1 input FE light mouth.
Described serial server module, is used for the mutual rotating function realizing RS485 signal with TCP/IP signal.Serial server provides two RS485 interfaces, a RJ45 interface, and this module realizes interconnecting by 1 FE electricity mouth and IP Switching Module.
Described safe early warning module, issue for underground coal mine information guidance, can show the information such as safety monitoring data, emergency notice, evacuation route, safety education, security warning, the also speech play of display in real time, reaches the purpose pointed out, predict, guide, warn on a display screen.RS485 interface inter-link with serial server module, it is achieved voice, data etc. control.
Preferably, described locating module, it is accurately positioned for the personnel realized in wireless signal coverage；
Described IP broadcast module, is used for accessing underground coal mine broadcast stereo module, it is achieved control the IP of sound equipment；
Described IAD module, for the access exchange of underground coal mine fixed line analog end with described IP Switching Module.
Concrete, described IP broadcast module, it is used for accessing down-hole broadcast stereo module, it is achieved the IP of sound equipment is controlled, thus realizes the functions such as the daily broadcast of down-hole, urgent broadcast, intercommunication, partition management.Realize interconnecting with IP Switching Module by 1 input FE light mouth.
Described IAD module, for the access exchange of down-hole fixed line analog end with IP Switching Module, it is provided that 1 POTS port accesses for simulation landline telephone, and front end uses in the lump with guard grating, thus reaching output interface is mining intrinsic safety type access interface.Realize interconnecting with IP Switching Module by 1 input FE electricity mouth.
Preferably, the operating frequency of described 4G base station module uses 2.6GHz frequency range, described 4G base station module maximum supports that 400 connect number of users, and maximum throughput can reach descending 150Mbit/s, up 50Mbit/s, realizes, by external antenna, the wireless coverage that radius is 400～500 meters；
Described WIFI AP module carries out interconnecting communication by 1 FE electricity mouth and described IP Switching Module, and described WIFI AP module uses signal covering frequence to be 2.4GHz frequency range；
Described power module provides input to support 127VAC, 380VAC, 660VAC tri-tunnel adaptation input, output uses modularized design, 9 tunnels can be exported, it is divided into intrinsic safety and two kinds of power supply types of non-intrinsic safety, DC voltage-stabilizing 12VDC, 48VDC ,-54VDC are supported in output, and provide 8 joints to be composed in series 60AH LiFePO4 backup battery group；
Described IP Switching Module realizes interconnecting with described IP Switching Module by 1 input FE light mouth；
Described intrinsic safety interface module provides 2 FE intrinsic safety electricity mouths, 2 FE light mouths and 1 RS485 port output, realizes interconnecting with described IP Switching Module by 1 input FE light mouth；
Described warning module is for showing the information of safety monitoring data, emergency notice, evacuation route, safety education and security warning, and the also speech play of display in real time on a display screen, with the RS485 interface inter-link of described serial server module；
Described serial server includes two RS485 interfaces and a RJ45 interface, and described serial server realizes interconnecting by 1 FE electricity mouth and described IP Switching Module.
Preferably, described locating module is accurately positioned based on TOA technology, and using tranmitting frequency is 2.4GHz frequency range, and coverage distance reaches 400 meters, and positioning precision is not more than 10 meters, meets 200 card 80KM speed per hours concurrently by not leaking card；Described locating module realizes interconnecting by 1 FE light mouth and IP Switching Module；
Described IP broadcast module realizes interconnecting with IP Switching Module by 1 input FE light mouth；
Described IAD module is accessed for simulation landline telephone by 1 POTS port, and front end uses in the lump with guard grating；And realize interconnecting with IP Switching Module by 1 input FE electricity mouth.
Preferably, described 4G base station module uses 2.6GHz frequency range, and described WIFI AP module uses 2.6GHz frequency range, and described locating module uses 2.4GHz frequency range；Described 4G base station module and described WIFI AP module share a set of antenna, and described locating module is used alone a set of antenna.
Preferably, the physical placement position of two set antennas is for laterally retaining 3 meters of relative distances, and height to keep the relative fall of 0.5 meter；
CHANNEL 6 channel of the CHANNEL that mid frequency is 2412MHz 1 and 2437MHz that described WIFI AP module selects is as communication channel, CHANNEL 25 channel of the CHANNEL 23 or 2475MHz of the CHANNEL that mid frequency is 2455MHz 21 or 2465MHz that described locating module selects.
Preferably, the covering position of described wireless access base station is: enter well head, crossing, tunnel, tunnel bifurcations, face entrance, deathtrap entrance, Abandoned Tunnel entrance, be prohibited from entering area entry, near return airway iron gate/timber, combine adopt, Lian Cai, fully mechanized workface, refuge chamber, electric substation, belt conveyer head, Ventilator Room, pump house and the position of special setting.
Preferably, the deployment distance between described wireless access base station is spaced apart 400 meters.
Concrete, the tunnel of underground coal mine is broadly divided into two kinds, and one is straight line tunnel, another is winding roadway, and the limited width in tunnel, the complexity of geographical environment under surge well, therefore in the selection of antenna, selecting the log-periodic antenna of orientation, gain selects 11dBi.
The covering position of downhole wireless signal base station is: enter well head, crossing, tunnel, tunnel bifurcations, face entrance, deathtrap entrance, Abandoned Tunnel entrance, be prohibited from entering area entry, near return airway iron gate/timber, combine adopt, Lian Cai, fully mechanized workface, refuge chamber, electric substation, belt conveyer head, Ventilator Room, pump house and the position etc. of special setting.
Downhole wireless signal base station general portion arranging method is: the deployment distance between two base stations is spaced apart 400 meters, and hand-hold wireless instrument empirical value measurement method can be used to determine the relative position of subsequent base stations.Reserve First base station, in the case of nobody blocks, can hand-held wireless instruments go ahead, when signal is shown as-65db, the position (5 meters of metopes selecting dried flat can be moved left and right as placement location according to practical situation) at the second stylobate station can be selected, determine other base station location by that analogy.The deployment of specific position refers to accompanying drawing 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6.Fig. 2 is the structural representation that this utility model embodiment vertical shaft signal covers；Fig. 3 is the structural representation that this utility model embodiment inclined shaft signal covers；Fig. 4 is the structural representation that this utility model embodiment vertical curve tunnel signal covers；Fig. 5 is the structural representation that this utility model embodiment any winding roadway signal covers；Fig. 6 is the structural representation that this utility model embodiment air door signal covers.
Concrete, the flexible and housing of the intraware of described underground coal mine integrated service wireless access base station is convenient.
The replaceable design of assembly, owing to integrated service wireless access base station being integrated with multiple functional module, meet different business demands, in order to adapt to live traffic extension needs, it is that all parts have reserved installation site and corresponding cable interface by rational deployment integrated service wireless access base station, and guide rail support design, it is simple to maintenance processes, changes module or cable.
Integrated service wireless access base station external shell uses quick operating valve design, automatically shuts power off before chamber door is opened, and reduces facility switching door maintenance time, ensures safety simultaneously.Monolithic case design horn mouth has two kinds of sizes, respectively for the connection of power line, radio frequency feed line, optical cable, netting twine and communication cable in the most collinear footpath.
This utility model provides the system of a kind of underground coal mine wireless access base station, and described system includes the access for data, transmit and the basic module that shows and for realizing the business module of the business demand pre-set of user；Wherein, described basic module includes 4G base station module, WIFI AP module, power module, IP Switching Module, intrinsic safety interface module, warning module and serial server；Described business module includes locating module, IP broadcast module and IAD module.This utility model is for the access that cannot meet sorts of systems distinct device in prior art requires, can realize wireless communication system, industrial automation system, personnel's Vehicle positioning system, closed-circuit TV system, ip voice are expanded broadcast system, down-hole warning system and unify carrying and unified management in terms of main transmission equipment, and the special environment requirement according to underground coal mine, covering to underground signal proposes dispositions method, thus efficiently reduce the quantity of the main transmission equipment in down-hole, also reduce the quantity of downhole transmitted cable simultaneously.
Know-why of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain principle of the present utility model, and can not be construed to the restriction to this utility model protection domain by any way.Based on explanation herein, those skilled in the art need not pay performing creative labour can associate other detailed description of the invention of the present utility model, within these modes fall within protection domain of the present utility model.