总线供电仪表的物理层媒体结合单元

CORC > 沈阳自动化研究所 > 中国科学院沈阳自动化研究所 > 工业信息学研究室 > 工业控制系统研究室

	总线供电仪表的物理层媒体结合单元
	吕岩; 杨志家; 崔书平; 曹梦侠; 谢闯; 赵雪峰
	2006-11-15
专利国别	中国
专利号	CN2837948Y
专利类型	实用新型
产权排序	1
权利人	中国科学院沈阳自动化研究所
其他题名	Physical layer media combination unit for bus-powered instrument
中文摘要	本实用新型公开一种总线供电仪表的物理层媒体结合单元,安装在总线系统和数字系统之间,它由启动电路、信号接收电路和CD信号创建电路、功率调节电路和总线信号整形发送电路、发送信号基准电平电路组成,总线系统信号作为信号接收电路输入,信号接收电路输出送至数字系统;启动电路以总线信号为输入信号,分别与信号接收电路、CD信号创建电路、功率调节电路相连,为系统提供电源;功率调节电路接收总线整形发送电路信号,输出与总线系统相连;总线信号整形发送电路由发送信号基准电平电路提供阈值电平,输入控制信号由数字系统提供;CD信号创建电路输出信号至数字系统。本实用新型结构简单、可靠性高、总线信号交流特性优良、静态功耗小,效率高,性价比高。
是否PCT专利	否
英文摘要	The utility model discloses a physical layer media combination unit for a bus-powered instrument, which installed between a bus system and a digital system. The utility model is composed of a start circuit, a signal receiving circuit, a CD signal creating circuit, a power regulating circuit, a bus signal shaping and sending circuit and a reference level circuit for sending signals, wherein bus system signals are used as the input of the signal receiving circuit the output of the signal receiving circuit is sent to the digital system the start circuit uses the bus signals as input signals to be respectively connected with the signal receiving circuit, the CD signal creating circuit and the power regulating circuit and provides a power supply for the system the power regulating circuit receives signals of the bus signal shaping and sending circuit, and the output of the power regulating circuit is connected with the bus system the reference level circuit for sending signals provides threshold level for the bus signal shaping and sending circuit, and the digital system provides control signals input in the bus signal shaping and sending circuit the CD signal creating circuit outputs signals to the digital system. The utility model has the advantages of simple structure, high reliability, excellent ac characteristic for the bus signals, less static power consumption and high performance-price ratio.
公开日期	2006-11-15
申请日期	2005-10-26
语种	中文
专利申请号	CN200520092999.3
专利代理	沈阳科苑专利商标代理有限公司
内容类型	专利
源URL	[http://ir.sia.ac.cn/handle/173321/12738]
专题	沈阳自动化研究所_工业信息学研究室_工业控制系统研究室
推荐引用方式 GB/T 7714	吕岩,杨志家,崔书平,等. 总线供电仪表的物理层媒体结合单元. CN2837948Y. 2006-11-15.