| abstract |
The invention discloses a luminaire with adjustable light emitting height and a good heat-dissipation effect. The luminaire comprises a support base, wherein a guide bracket is arranged on the support base and internally provided with a mounting rack capable of moving up and down relative to the guide bracket; a screw rod sleeve is arranged below the mounting rack; a screw rod motor is arranged on the support base; a screw rod is arranged on the screw rod motor and sleeved with the screw rod sleeve; an LED (light-emitting diode) lamp device is arranged on the mounting rack; and the LED lamp device comprises a heat radiator. The luminaire is characterized in that a groove is formed in the upper end face of the heat radiator; an aluminum substrate capable of enclosing the groove is arranged on the heat radiator above the groove; a plurality of mounting holes are formed in the aluminum substrate and internally provided with LED components; and the groove is filled with heat-dissipation liquid. The invention aims at providing an LED lamp with the heat-dissipation effect and a long service life to overcome defects in the prior art. |