智能型无主机防爆扩音对讲电话系统的研究  

Research on an Intelligent Non-Host Machine Explosion Proof Sound Amplification Talk-back

作　　者：苗长云[1] 戴居丰[2] 蔡友发[1] 

机构地区：[1]天津工业大学信息与通信工程学院,天津300160 [2]天津大学电子信息工程学院,天津300072

出　　处：《化工自动化及仪表》2002年第2期47-51,共5页Control and Instruments in Chemical Industry

摘　　要：研究一种用于石油、化工、冶金、医药、煤炭等行业中易燃、易爆、大范围、强噪声的生产场所的工业通信系统———智能型无主机防爆扩音对讲电话系统。在系统结构设计的基础上 ,设计了硬、软件 ,编制了软件 ,给出了绳路信令的传输格式 ,对多信道共用的防爆绳路配置理论进行研究 ,从硬、软件两方面采取了抗干扰措施 。An industrial Communication system--intelligent non host machine explosion proof sound amplification talk back system is researched.This system is especially useful in flammable and explosive working places in production enterprises of petroleum,chemistry,metallurgy,medicine and coal,which have large range room and strong noises.Based on the design of system structure,the hardware and software are designed,the transmission format of the olcal feed junctor signaling is given out and the configuration theory of explosion proof local feed junctor shared by multiple channel is researched.The antijamming measures are adopted in two aspects of hardware and software and designed with explosion proof.

关 键 词：多信道共用 扩音呼叫 通话对讲 智能型 无主机防爆扩音对讲电话系统 研究 工业通信系统 

分 类 号：TN916[电子电信—通信与信息系统]