Fresh air device that harmful substance burst size testing platform used

• Main Authors: CHEN WEI, DAI SHULE, WANG LI, LIU MENGMENG, ZHAO MEILING, CAO JUN, PENG LIZHENG, SUN YUQUAN, XIAO HUA, SHAN HUILIN, HUA JINGJUN, XIAO DALONG, WANG ZHE
• Format: Patent
• Language: Chinese; English
• Published: 18.07.2017
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

The utility model discloses a fresh air device that harmful substance burst size testing platform used. It includes air pump (1), humidity generator (2) by converter (3) control, air pump (1) through the pipeline with humidity generator (2) intercommunication, the upper portion of humidity generator (2) is connected with supply air duct (8) that lead to in testing platform test chamber (10), be equipped with thermal flowmeter (4), automatically controlled governing valve (6) that the flow that is used for detecting in supply air duct (8) and feedback signal gave converter (3) on supply air duct (8) in proper order be equipped with the pressure and pressure sensor (5) of feedback signal for automatically controlled governing valve (6) that are used for detecting in supply air duct (8) on supply air duct (8) between thermal flowmeter (4) and automatically controlled governing valve (6). The utility model discloses the low pressure gas flow control problem can be solved, flow control's stability and flow control