6results about How to "Avoid light decay" patented technology

The utility model discloses a tunnel lighting device convenient to install and maintain, and relates to the technical field of lighting devices. The LED lamp comprises a shell, one side of the shell is fixedly connected with a mounting plate, one side of the shell is fixedly connected with a cooling fin, one side of the shell is fixedly connected with a controller, an LED lamp panel is arranged in the shell, a sealing plate assembly is arranged in the shell, the sealing plate assembly comprises a first magnet arranged in the shell, and a second magnet arranged in the shell is arranged in the shell. And the anti-falling plate is magnetically attracted to one side of the first magnet. According to the utility model, tool-free quick opening and closing of the shell are realized through the magnetic suction sealing plate assembly and the sliding design. During maintenance, only the closing plate needs to be pulled out, the transparent plate is pulled out, the LED lamp panel is directly exposed, and bolts do not need to be detached. Meanwhile, a limiting plate and a spring pressing mechanism are adopted in the fixing assembly, the LED lamp panel is rapidly positioned through a fixing groove, and unlocking and replacement can be achieved by pressing a fixing plate. No special tool is needed, and labor cost and operation complexity are reduced.

This utility model discloses an automotive LED light source module, including a lamp source substrate on which multiple LED light source groups are disposed. A lamp housing is disposed on the lamp source substrate, and the multiple LED light source groups are disposed within the lamp housing. A heat dissipation cavity is disposed within the lamp source substrate, and the heat dissipation cavity is positionally matched to the multiple LED light source groups. An air intake pipe is disposed on the lamp source substrate, and the air intake pipe is connected to the heat dissipation cavity, allowing external cooling air to enter the heat dissipation cavity to cool the multiple LED light source groups. The beneficial effect of this utility model is that by setting a heat dissipation cavity on the lamp source substrate that precisely matches the position of the LED light source groups, combined with the air intake pipe connected to the heat dissipation cavity, a directional airflow channel can be constructed. External cooling air can be directionally introduced into the heat dissipation cavity through the air intake pipe and directly act on the heat-generating LED light source group area, achieving active and targeted cooling of the LED light source groups.

This utility model relates to the field of LED lighting technology, specifically a waterproof encapsulation structure for outdoor LED lighting fixtures. It includes a lamp housing, a circuit board on the top of the inner wall of the lamp housing, multiple LED beads at the bottom of the circuit board, a lampshade inside the lamp housing, a lampshade at the bottom of the lamp housing, a rubber gasket at the outer edge of the top of the lampshade, connecting side blocks on both sides of the lamp housing, connecting holes at the bottom of the connecting side blocks, and fixing protrusions in the middle of both sides of the lampshade. A threaded rod is located on the top of the fixing protrusion, passing through the connecting hole and threadedly connected to a wing nut. This waterproof encapsulation structure for outdoor LED lighting fixtures, employing a threaded rod and wing nut mating structure, allows for manual disassembly of the lampshade without complex tools, significantly simplifying the maintenance and replacement of internal components and improving user convenience.

This application provides a liquid-cooled lamp, belonging to the field of lighting fixture technology, including a housing, a lighting assembly, a front liquid-cooling component, and a rear liquid-cooling component. The housing has an illumination cavity. The lighting assembly is disposed within the housing to generate light directed towards the illumination cavity. The front liquid-cooling component is disposed within the housing and located on the side of the lighting assembly facing the illumination cavity. The front liquid-cooling component is used to connect with the lighting assembly to reduce the temperature of the side of the lighting assembly facing the illumination cavity. The rear liquid-cooling component is disposed within the housing and located on the side of the lighting assembly away from the illumination cavity. The rear liquid-cooling component is used to connect with the lighting assembly to reduce the temperature of the side of the lighting assembly away from the illumination cavity. Compared to traditional single-sided heat dissipation or air cooling methods, the liquid-cooled lamp provided by this application has a larger heat dissipation area and higher heat exchange efficiency with its double-sided liquid-cooling design, which can quickly reduce the lamp assembly temperature and avoid light decay or shortened lifespan due to overheating.

The utility model relates to the technical field of atmosphere equipment, in particular to starry sky projection equipment. According to the technical scheme, the device comprises a projection external assembly, one side of the projection external assembly is provided with an adjusting assembly used for converting starry sky images, one side of the projection external assembly is connected with a starry sky rotating assembly used for providing starry sky images in an inserted mode, and the projection external assembly is internally provided with a multipurpose loudspeaker sound cavity assembly used for heat dissipation. The rotating sleeve block drives the hollow clamping sleeve to slide up and down along the main supporting rod, the fan impeller rods achieve the partial heat dissipation effect, the hollow clamping sleeve conducts air flow to the sleeve rod, air directly reaching the light source assembly is discharged outwards through the holes, the fan impeller rods discharge heat, the heat dissipation problem of a high-power light source is solved, and the heat dissipation effect of the high-power light source is improved. And light attenuation caused by overheating is avoided.

This utility model discloses an LED lampshade packaging structure, including a lamp body, a lampshade, a mounting base, and an LED light source. A connecting ring one is provided along the lower edge of the lamp body, and a connecting ring two is provided along the upper edge of the lampshade. The fastening surfaces of connecting ring one and connecting ring two adopt an inclined structure, and a sealing gasket is fitted onto the outer side of the fastening surface of connecting ring one. The lamp body and connecting ring two are locked together by multiple sets of fastening plates and locking blocks. Several heat dissipation ribs are embedded circumferentially on the top surface of the lamp body, and a heat dissipation ring is embedded on the outer wall of connecting ring two. A heat collection plate is provided between the LED light source and the mounting base. This utility model forms a heat dissipation network path through the heat collection plate, heat dissipation ribs, and heat dissipation ring, rapidly conducting the heat generated by the LED light source to the top of the lamp body and the side wall of the lampshade, significantly improving the overall heat dissipation efficiency. Furthermore, the connection ring one and connecting ring two are fastened together with an inclined fastening and sealing gasket, and then locked together by fastening plates and locking blocks, facilitating disassembly and maintenance while ensuring airtightness.