Patent ID: 8833961
Filing Date: 2014-09-16
Classification: F21L,F21S,F21Y,Y10S

Abstract:
1. A multi-purpose illumination device, comprising: a lamp-holder body having a partially transparent cover and a power converter for converting a utility power into a DC power; and a portable lighting device detachably installed in the lamp-holder body, the portable lighting device including: a housing having a detection mechanism for detecting whether the portable lighting device is installed in the lamp-holder body or not; a charging circuit arranged in the housing, the charging circuit being coupled to the power converter for receiving the DC power when the portable lighting device is installed in the lamp-holder body; a battery unit arranged in the housing and coupled to the charging circuit for being charged by the DC power; a push-button unit arranged on the housing; an LED driving circuit arranged in the housing, an LED unit arranged in the housing and coupled to the LED driving circuit, and a controller arranged in the housing, powered by the battery unit, and coupled to the push-button unit, the charging circuit, the detection mechanism, and the LED driving circuit, so as to detect a button pressing state of the push-button unit, whether utility power is presented or not, and whether the portable lighting device is installed in the lamp-holder body or not, thereby controlling the LED driving circuit to drive the LED unit to light based on a detected result.