| 摘要 |
<p>PURPOSE: A DC dimming stabilizer for DC distribution and a DC dimming switch easily control the on, off, and dimming of multiple lamps by only with one DC diming switch. CONSTITUTION: A DC dimming stabilizer (3) includes an input voltage dimming control unit (33), a stabilizer unit (32), and an auxiliary power unit (31). The input voltage dimming control unit generates a signal to control the illuminance of a lamp according to input voltages. The stabilizer unit drives a lighting device by receiving a DC variable voltage. The auxiliary power unit provides a specific voltage corresponding to a wide input voltage range as auxiliary power of the stabilizer unit. A DC dimming switch (2) receives a DC distribution voltage (1) and outputs the DC variable voltage. [Reference numerals] (1) DC distribution voltage; (2) DC dimming switch; (26) Control unit; (27) Dimming setting unit; (28) External device; (29) DC converter unit; (3,EE) DC dimming stabilizer; (31) Auxiliary power unit; (32) Stabilizer unit; (33) Input voltage dimming control unit; (AA) Voltage feedback; (BB) DC adjustable voltage; (CC) Lamp #1; (DD) Feed back; (FF) Lamp #2</p> |
