2results about How to "Good detection" patented technology

The invention discloses a concrete crack detection device and detection system, and relates to the technical field of concrete crack detection. Comprising a crack detection mechanism, the crack detection mechanism comprises a detection vehicle, the top of the detection vehicle is fixedly connected with a mounting seat, the bottom of the detection vehicle is provided with electric control driving wheels, and the mounting seat is internally provided with a storage battery; the device can perform crack detection on the concrete pavement, is beneficial to cleaning the concrete pavement, and is convenient to sweep dust at the pavement crack, so that the crack detection and recognition effect is improved, the detection and use effects of the device are improved, and meanwhile, the concrete crack can be detected and recognized; according to the detection device, pavement cracks and internal cracks can be accurately detected, images and crack width and depth data during detection can be transmitted to the detection display equipment to be displayed, detection personnel can conveniently analyze and record the cracks, and the detection and recognition accuracy of the detection device is improved.

An organic optoelectronic component, wherein the active layer comprises a conjugated polymer material with a structure of formula 1: wherein X 1 With X 2 Independently selected from one of the following groups: N, CH and -CR 1 A 2 and A 3 It is an electron-withdrawing group, and A 2 and A 3 Not at the same time as A 1 Same. D 1 D 2 and D 3 For electron-donating groups. sp 1 to sp 6 It is independently selected from aromatic and heteroaryl groups. a, b, and c are all real numbers, and 0