A floor atmosphere lamp comprising:
- a base (1),
- a top light emitting tube (22),
- at least one middle light emitting tube (23), and
- a drive control circuit, wherein
- the base (1) is provided with a bottom tube (21), the bottom tube (21), the middle light emitting tube (23), and the top light emitting tube (22) each include a heat dissipating profile (2) and a light transmitting tube (3), the light transmitting tube (3) and the heat dissipating profile (2) are axially plugged and fixed, a strip-shaped light source plate (4) is fixedly connected to an outer side of a bottom plate of the heat dissipating profile (2), the light source plates (4) of the top light emitting tube (22) and the middle light emitting tube (23) are each provided with a plurality of LED lamp beads (40), bottom ends of the light source plates (4) of the top light emitting tube (22) and the middle light emitting tube (23) are each provided with a male conductive terminal (51) to form an electrical circuit with the LED lamp beads (40), a top end of the light source plate (4) of the bottom tube (21) is provided with a female conductive terminal (52) to form an electrical circuit with the drive control circuit, a top end of the light source plate (4) of the middle light emitting tube (23) is provided with the female conductive terminal (52) to form an electrical circuit with the LED lamp beads (40), the male conductive terminal (51) is adapted to the female conductive terminal (52), a bottom portion of each of the heat dissipating profiles (2) of the top light emitting tube (22) and the middle light emitting tube (23) is provided with a bottom fixing hole (81), a top portion of each of the heat dissipating profiles (2) of the bottom tube (21) and the middle light emitting tube (23) is provided with a top fixing hole (82),
- the top light emitting tube (22) and each of the middle light emitting tubes (23) are each provided with a connecting plate (6), the connecting plate (6) is adapted to an inner cavity of each of the heat dissipating profiles (2), an upper portion of the connecting plate (6) extends into a bottom portion of the inner cavity of the heat dissipating profile (2) of the top light emitting tube (22) or the middle light emitting tube (23), and a first screw (91) passes through the bottom fixing hole (81) and then is connected and fixed to the connecting plate (6),
- when the top light emitting tube (22), the middle light emitting tube (23), and the bottom tube (21) are connected in sequence, a lower portion of the connecting plate (6) at a bottom portion of the top light emitting tube (22) or the middle light emitting tube (23) positioned above extends into a top portion of the inner cavity of the heat dissipating profile (2) of the intermediate light emitting tube (23) or the bottom tube (21) positioned below the top light emitting tube (22) or the intermediate light emitting tube (23), and a second screw (92) passes through the top fixing hole (82) and then is connected and fixed to the connecting plate (6), so that the top light emitting tube (22), each middle light emitting tube (23), and the bottom tube (21) are connected and combined in sequence to form a column body with the same appearance, and at the same time, the male conductive terminals (51) and the female conductive terminals (52), which are vertically adjacent to each other, of the top light emitting tube (22), each of the middle light emitting tubes (23), and the bottom tube (21) are plugged and coupled to realize electrical connection, thereby supplying power to each of the LED lamp beads (40), and
- the drive control circuit includes a power input socket interface (12) configured to connect an external low-voltage power adapter to input direct current low-voltage power and an MCU controller configured to separately control a light emitting state and a light emitting effect one by one for each of the middle light emitting tubes (23) and the top light emitting tube (22), an output end of the MCU controller is electrically connected to the female conductive terminal (52) of the bottom tube (21), and is electrically connected in sequence through the male conductive terminal (51) and the female conductive terminal (52) of each of the middle light emitting tubes (23) and the top light emitting tube (22) connected to the female conductive terminal (52) of the bottom tube (21) in sequence, each of the light source plates (4) is provided with at least one single-channel drive control IC (U1B) configured to drive and control the LED lamp beads (40) of each of the middle light emitting tubes (23) and the top light emitting tube (22) to emit light, each of the female conductive terminals (52) and the male conductive terminals (51) includes a four-wire power supply and control interface (J1, J4), and the four-wire power supply and control interface (J1, J4) includes a power supply positive electrode (VCC), a power supply negative electrode (GND), a white light control electrode (W−), and a signal electrode (DI).