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1、The underground space Communication System,Earth-Wire-Bus,Underground space features,Emergency accident,structural lineation , limited space, power concentration,large passenger volumes and internal space relative close,At present, the underground space communication is based on the wired communicat
2、ion (Wireless network is the base station cable network) , When wire rope damage command and control would have broken down.,Underground space development,Underground engineering space, Once the Fire and explosion accident，geological hazards, Water seeping through underground, it will make it more d
3、ifficulties to the fire fighting command and communication . When wire rope damage command and control would have broken down.,Human living space continuously extend, such as the underground emporium, underground garage, the subway, railway tunnel, it will cause serious casualties and property damag
4、e,Underground space technology,Underground Earth-Wire-Bus Communication,The earth-wire-bus communication never affected by sing short, Double Short, sing earthing ,Double Earthing , Single Disconne and environmental damage, and then to transmission Non-fading signal between the earth wire and ground
5、. The three major advantages Green, reliable, flexible. The earth-wire-bus communication line neither be dynamited nor be break off , it is the most reliable communication line in the world. Supply the gap between wire and wireless is call E-Wire Bus technology (Earth-wire-Bus).,One distinctive feat
6、ure is the possibility of using only one earth wires, earth wire and ground. This earth wire is the steel rail, steel pipe, steel truss, drill pipe and so on, a iron communication.,Iron communication network,Once central switch be burned the star network will breaks down. Earth-wire-bus system use a
7、 steel pipe, rail, cables as a Token Ring network architecture communication no central switch . The laying without excavating surface soil, expanded or new built is very simple,underground engineering space fire communication system,First communication machine connection to ground and earth wire (
8、rail and pipe), and then access the phone(the telephone interface of this machine is open-circuit, at usual not to disturbed telephone line ). When fire destroyed electricity and telephone wires, control relay power down, this moment telephone communication system relays switch to earth-wire-bus, at
9、 the same time power cut-over to batter.,Installation & adjustment,A iron communication,steel truss,earth,steel bar,telecom,Classic disruptive innovation.,通信机外部设备接口分为模拟设备口和数字设备口。作为后备通信保障，地线通信机外设接口在备战状态下与常规广播线（通信线）并联，通信机外设接口常态下高阻态，对普通线路不会造成性能影响。,通信机灵活调节地线端的磁电特性使之与当前地线的磁电特性相适应；由反馈信号产生校正信号控制地线信号组成形式达到无
10、衰传输的目的。 通信机同时利用地线体与大地之间的无寄生电磁干扰特性来提高信号传输信噪比，保证信号抗电磁干扰性能。在灾害环境中提供稳定的电话和广播系统以及数据服务。,General Specification,Dimensions(WHD) :170mm x 75mm x 130mm,Weight (approx): 1.4kg Communication distance: 60km, Data rate: 9600bps Supply Voltage :24V-48V dc, Power Output: 2.5 Watts,More applications of this techniqu
11、e,Earth-wire-bus communication supply the gap between wire and wireless; It address this pain point of underground engineering space emergency rescue; It make communication start to enter the underground engineering space communication age;,Module for secondary exploration,It is a revolution in comm
12、unication reliability. It play a unique role in the disaster prediction information of geological and new type emergency rescue in mines and emergency rescue Information system in urban rail transit. On the whole the earth-wire-bus can be used to guarantee the communication in underwater, Undergroun
13、d, fire environmental . Smart home, the disaster prediction of geological, confidential communication(No electromagnetic characteristics) has a new situation.,Smarter Planet,Earthing line and neutral line in smart plug,Emergency Evacuation Broadcast System,Landslide prediction system,Drilling platform, underwater security defend,Under water,barbed wire,Mountain,iron wire,NBB Corp N.Yuan (宁远) 86-13571199841 N.Brilixe 2016-3-28,Ninety-nine percent perspiration water the one percent genius, cold nights and chilling showers to ripen it, glazed with rain water. Thats all for my story.,
