US 11,988,371 B1
Starry sky lamp with good heat dissipation effect
Xianhai Xiao, Ji'an (CN)
Filed by Xianhai Xiao, Ji'an (CN)
Filed on Oct. 25, 2023, as Appl. No. 18/493,973.
Int. Cl. F21V 29/503 (2015.01); F21V 15/01 (2006.01); F21V 29/67 (2015.01); F21W 121/00 (2006.01)
CPC F21V 29/503 (2015.01) [F21V 15/01 (2013.01); F21V 29/677 (2015.01); F21W 2121/008 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A starry sky lamp with good heat dissipation effect, comprising a shell, and a laser and a circuit board arranged in the shell, wherein the laser is electrically connected with the circuit board, and further comprising a light-transmitting cover (3) and a heat dissipation fan, wherein the heat dissipation fan is arranged in the shell, and the heat dissipation fan is electrically connected with the circuit board and blows air towards the laser; and the shell is provided with an opening (21), the light-transmitting cover (3) is installed at the opening (21), the light-transmitting cover (3) is a semi-circular hollow structure, a starry sky effect pattern cutting surface is arranged inside the light-transmitting cover (3), and the laser beam emitted by the laser is reflected and transmitted through the light-transmitting cover (3), to form a starry sky pattern under the action of the starry sky effect pattern cutting surface.