Online monitor

• Main Authors: ZHANG LIBIN, WANG QIFENG, SUN XIAOJIN, LUO XI, HUANG DANQUN, LV PENGFEI, YANG FAN, LU ZHENG, FENG TAO, WANG XUEMING, XU JUAN, TAO YUHONG, JIANG ZE, BAO YONGTAO
• Format: Patent
• Language: Chinese; English
• Published: 22.06.2011
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The utility model relates to an online monitor, which comprises a shell and a monitoring circuit arranged in the shell. Two aviation plugs are arranged on the top of the shell, and an analog signal circuit and a digital signal communication circuit which are connected onto the monitoring circuit extend out of the shell via the two aviation plugs. The shell is made of plastic materials and is simple in structure and small in size, a large-screen TFT (thin film transistor) color liquid crystal screen is used for displaying and is clear and attractive in display effect, the online monitor is provided with a key and a touch screen input interface, and users can operate the online monitor simply. The monitor further has a USB (universal serial bus) communication function and can realize data interaction and transmission with a computer. The monitor is provided with a frequency measurement and programmable output interface and a current signal measurement and programmable output interface, has the functions of sign