US 12,339,237 B2
On-line detection system for defects of membrane electrode assembly
Min Wang, Qingdao (CN); Jiexin Zou, Qingdao (CN); Mingbo Wu, Qingdao (CN); Han Hu, Qingdao (CN); Zhongtao Li, Qingdao (CN); Debin Kong, Qingdao (CN); and Guanxiong Wang, Qingdao (CN)
Assigned to China University of Petroleum (East China), Qingdao (CN)
Filed by China University of Petroleum (East China), Qingdao (CN)
Filed on Aug. 18, 2023, as Appl. No. 18/235,386.
Claims priority of application No. 202211136381.7 (CN), filed on Sep. 19, 2022.
Prior Publication US 2024/0094140 A1, Mar. 21, 2024
Int. Cl. G01N 21/89 (2006.01); B65H 20/02 (2006.01); G01N 21/892 (2006.01)
CPC G01N 21/8914 (2013.01) [B65H 20/02 (2013.01); G01N 21/892 (2013.01); B65H 2404/10 (2013.01); B65H 2406/15 (2013.01); B65H 2701/19 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An on-line detection system for defects of a membrane electrode assembly (MEA), comprising a workbench, wherein
two connecting rods are arranged inside the workbench, two ends of the two connecting rods are both connected to two side walls of the workbench by means of first bearings,
two conveying rollers are fixedly arranged outside the two connecting rods in a sleeving manner, one side of the workbench is fixedly provided with a first electric motor, an output end of the first electric motor is fixedly connected to one of the two connecting rods,
two belt pulleys are fixedly arranged outside the two connecting rods in the sleeving manner, a belt is arranged outside the two belt pulleys in the sleeving manner, a hollow roller is arranged on an inner side of the workbench, each of both sides of the hollow roller is fixedly connected to first ends of two fixing rods, second ends of the two fixing rods are fixedly connected to the side wall of the workbench,
a plurality of exhaust holes are provided in a top of the hollow roller, a first end of the hollow roller is fixedly connected to an hydrogen input pipe, a second end of the hollow roller is fixedly connected to an hydrogen output pipe, the hydrogen output pipe and the two fixing rods both penetrate the side wall of the workbench,
tops of the two conveying rollers are provided with the MEA, the MEA makes contact with the top of the hollow roller, and a uniform hydrogen output mechanism is arranged inside the hollow roller.