Abstract: An easy-installation and maintenance waterproof socket and plug assembly comprising a socket (2) and a plug (1), wherein a recess is disposed in the socket (2) for containing the plug (1), a plurality of convex connection terminals (21, 22) are set on a bottom of the recess, the connection terminals (21, 22) are connected to an external control panel (200) through conductive sheets (201, 202) sleeved inside the connection terminals (21, 22), the plug (1) is provided with hole positions corresponding to the connection terminals of the socket, the hole positions are provided with metal connection spring sheets (11, 12).

Abstract: A heat dissipation bracket for a battery pack assembly, comprises: a plurality of battery support brackets with an open end in a lower portion thereof; and a baffle mated with the open end, wherein the open end and the upper end of the battery support bracket and the two sides of the baffle are provided with corresponding horizontal protruding edges; the open end of one of the plurality of battery support brackets is provided with the baffle, while the rest of the battery support brackets are vertically stacked and disposed on the upper end of the battery support brackets; the battery support bracket, the baffle, and the stacked battery support brackets are connected through bolts in the corresponding horizontal protruding edges; a plurality of battery positioning slots are formed by the battery support brackets and the inner wall of the baffle; a plurality of raised bars are formed on the outer wall of the baffle along the longitudinal axial direction of the battery positioning slots, and a heat exchange cha

Abstract: A system for detecting blemishes on an image sensor package includes an initialization module configured for initializing a suspected blemish standard mean value range and a blemish standard deviation value; an image capturing module configured for capturing an image produced by the image sensor package and acquiring a brightness value of each of pixels of the image; a calculation module configured for calculating a mean value and a standard deviation of differences of brightness values of a pixel and any other pixels surrounding the pixel; a comparison module configured for respectively comparing the mean value and the standard deviation with the suspected blemish standard mean value range and the blemish standard deviation value; and a marking module configured for marking the suspected blemish which is inside the suspected blemish standard mean value range and the blemish which is larger than the blemish standard deviation value.

Abstract: A system for detecting blemishes on an image sensor package includes an initialization module configured for initializing a suspected blemish standard mean value range and a blemish standard deviation value; an image capturing module configured for capturing an image produced by the image sensor package and acquiring a brightness value of each of pixels of the image; a calculation module configured for calculating a mean value and a standard deviation of differences of brightness values of a pixel and any other pixels surrounding the pixel; a comparison module configured for respectively comparing the mean value and the standard deviation with the suspected blemish standard mean value range and the blemish standard deviation value; and a marking module configured for marking the suspected blemish which is inside the suspected blemish standard mean value range and the blemish which is larger than the blemish standard deviation value.