Angle-adjustable lamp
The present disclosure claims an angle-adjustable lamp, comprising a controller, a lamp panel and a light transmission panel covered on the lamp panel. The lamp panel is provided with multiple LED beads, and the light transmission panel is provided with one plane light transmission area and two lens areas. The lens area is provided with multiple lenses, and each of the lenses corresponds to an LED bead directly below it to deflect the light transmission angle of the LED bead.
1 . An angle-adjustable lamp, comprising:
a lamp panel ( 20 ) and a light transmission panel ( 10 ) covering on the lamp panel ( 20 ), wherein the lamp panel ( 20 ) is provided with multiple LED beads, the light transmission panel ( 10 ) is provided with one plane light transmission area ( 11 ) and two lens areas ( 12 ), the plane light transmission area ( 11 ) is located between the two lens areas ( 12 ), each lens area ( 12 ) is provided with multiple lenses, and each of the lenses corresponds to an LED bead directly below it to deflect the light transmission angle of the LED bead;
a light transmission angle of the plane light transmission area ( 11 ) is δ1, δ1 is consistent with a light emitting angle of the LED beads corresponding to the plane light transmission area ( 11 ), a light transmission angle of the two lens areas ( 12 ) is δ2, and δ2 is inversely proportional to brightness of the LED beads corresponding to the two lens areas ( 12 ).
2 . The angle-adjustable lamp according to claim 1 , comprising a controller ( 32 ), wherein the controller ( 32 ) is electrically connected with the lamp panel ( 20 ) to respectively control brightness of the LED beads corresponding to the plane light transmission area ( 11 ) and brightness of the LED beads corresponding to the two lens areas ( 12 ).
3 . The angle-adjustable lamp according to claim 2 , further comprising a bottom housing ( 30 ) and a power supply unit ( 31 ), wherein the bottom housing ( 30 ) is internally provided with a mounting groove, the power supply unit ( 31 ) and the controller ( 32 ) are respectively arranged in the mounting groove, the lamp panel ( 20 ) is located above the power supply unit ( 31 ) and the controller ( 32 ) respectively, and the light transmission panel ( 10 ) is connected to the bottom housing ( 30 ) for sealing an opening of the bottom housing ( 30 ).
4 . The angle-adjustable lamp according to claim 3 , further comprising a pressing plate ( 33 ), wherein the pressing plate ( 33 ) is located above the power supply unit ( 31 ) to be connected with the bottom housing ( 30 ), and the lamp panel ( 20 ) is located above the pressing plate ( 33 ).
5 . The angle-adjustable lamp according to claim 4 , wherein the bottom housing ( 30 ) is provided with cooling fins.
6 . The angle-adjustable lamp according to claim 4 , further comprising a waterproof ring ( 34 ), and the waterproof ring ( 34 ) is located between the light transmission panel ( 10 ) and the bottom housing ( 30 ).
7 . The angle-adjustable lamp according to claim 4 , further comprising a mounting arm ( 40 ), and the mounting arm ( 40 ) is fixedly connected or rotatably connected with the bottom housing ( 30 ).
8 . The angle-adjustable lamp according to claim 1 , wherein the ratio of an area S1 of the plane light transmission area ( 11 ) to an area S2 of the two lens areas ( 12 ) is S1/S2, making the overall light emitting angle of the lamp δ=δ1*S1/(S1+S2)−δ2*S2/(S1+S2).