Perimeter takes precautions against system's laboratory bench

• Main Authors: CHEN JIE, ZHOU YUAN, JIANG TINGTING, LI YANG, FANG QIANSHENG, MOU ZHIPING, WANG YANPING
• Format: Patent
• Language: English
• Published: 12.08.2015
• Subjects: ADVERTISING; ALARM SYSTEMS; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE; CRYPTOGRAPHY; DIAGRAMS; DISPLAY; EDUCATION; EDUCATIONAL OR DEMONSTRATION APPLIANCES; GLOBES; ORDER TELEGRAPHS; PHYSICS; PLANETARIA; SEALS; SIGNALLING; SIGNALLING OR CALLING SYSTEMS

The utility model provides a perimeter takes precautions against system's laboratory bench, includes first infrared invasion detector, the infrared invasion detector of second, the infrared invasion detector of third, perimeter alarm sensor, the warning signal, the shot-light, the keyboard, first infrared invasion detector, the infrared invasion detector of second, the infrared invasion detector of third, the keyboard, the warning signal, the shot-light respectively with perimeter alarm sensor connects, the keyboard be used for to perimeter alarm sensor input data, three infrared invasion detectors with the status signal who detects send to perimeter alarm sensor, the perimeter alarm sensor basis status signal sends alarm signal extremely said warning signal and shot-light are connected through the mode of jack wiring between each equipment through the utility model discloses can let the student simulate the platform that perimeter took precautions against the system, grasp main points and skill that perimeter took precautions against the system, solve the not enough problem of student hands-on ability, the reinforcing student trains the sense of reality, simultaneously can used repeatedly, reduce use cost