LED LIGHTING DEVICE (VERSIONS) Russian patent published in 2017 - IPC F21S4/00 

FIELD: lighting.

SUBSTANCE: LED lighting device (LED LD) of the first embodiment comprises at least two housings with ribs in each of which at least one board with at least one light source is installed. At least one connecting element is installed between the housings. The housing is connected to the connecting element by the type of the lock joint. On the sides of the housing, at least one set of protrusions and grooves is made complementary to the protrusions and grooves of the connecting element. The LED LD of the second embodiment comprises at least two housings with ribs and end caps, in each of which at least one board with at least one light source is installed. At least one connecting element is installed between the housings. The housing is connected to the connecting element by the type of the lock joint. At least one set of protrusions and slots complementary to the protrusions and grooves of the connecting element is formed on the sides of the housings, and grooves are provided on at least one end cover for mounting at least one board with at least one light source. The LED LD of the third embodiment comprises at least two housings with ribs and end caps, in each of which at least one board with at least one light source is installed. At least one connecting element is installed between the housings. At least one end cap, there is provided at least one set of protrusions and grooves complementary to the protrusions and grooves of the connecting element for connection to the connecting element in the manner of a locking connection. The LED LD of the forth embodiment comprises at least two housings with ribs and end caps, in each of which at least one board with at least one light source is installed. At least one connecting element is installed between the housings. At least one end cap, there is provided at least one set of protrusions and grooves complementary to the protrusions and grooves of the connecting element for connection to the connecting element in the manner of a locking connection. In addition, at least one end cover has grooves for mounting at least one board with at least one light source.

EFFECT: expanded technical means.

24 cl, 11 dwg