Abstract: The present disclosure relates to a photosensitive structure and a mobile lighting device. The photosensitive structure includes a head housing, and a metal substrate, a lens, a shading bowl, and a light sensor that are located in the head housing. The metal substrate, the lens, and the light sensor are all fixed in the head housing, and the metal substrate is located between the lens and the light sensor, the metal substrate is electrically connected to the light sensor. The shading bowl is fixed to the metal substrate and located between the metal substrate and the lens. Along a light incoming direction, the photosensitive structure is provided with a light inlet located outside a projection of the shading bowl on the metal substrate, the light sensor is configured to sense an external brightness through the light inlet.

Abstract: A quick disassembly structure and a bicycle light; by arranging a lower assembly and a upper assembly, and then fixing an axial component on the lower assembly, when pressing the upper assembly, the positioning device can enter the limit area to fix the upper assembly and the lower assembly; when pulling up the upper assembly, the positioning device can be disengaged from the limit area to unfix the upper assembly and the lower assembly, so that the upper assembly can be quickly mounted on the lower assembly or the upper assembly can be quickly dismounted from the lower assembly, in order to achieve a quick mount or disassembly of a bicycle light, while the bicycle light can be prevented from being interfered and corroded by external factors when not being used, and the light body can also be prevented from being stolen, thereby achieving protection of the bicycle light.

Abstract: A quick disassembly structure and a bicycle light; by arranging a lower assembly and a upper assembly, and then fixing an axial component on the lower assembly, when pressing the upper assembly, the positioning device can enter the limit area to fix the upper assembly and the lower assembly; when pulling up the upper assembly, the positioning device can be disengaged from the limit area to unfix the upper assembly and the lower assembly, so that the upper assembly can be quickly mounted on the lower assembly or the upper assembly can be quickly dismounted from the lower assembly, in order to achieve a quick mount or disassembly of a bicycle light, while the bicycle light can be prevented from being interfered and corroded by external factors when not being used, and the light body can also be prevented from being stolen, thereby achieving protection of the bicycle light.