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    • 8. 发明公开
    • 방전 회로, 방전 회로를 구비하는 화상 형성 장치 및 전력 공급부
    • 功率控制装置和具有该功能的图像形成装置
    • KR1020140028698A
    • 2014-03-10
    • KR1020120095577
    • 2012-08-30
    • 에스프린팅솔루션 주식회사
    • 정안식
    • G05F1/12G03G21/00
    • H02J7/00G03G15/5004G03G15/80H02J3/00H02J7/0031H02J9/005H02J9/04H02M1/126H02M2001/322
    • The present invention relates to a power control device for minimizing standby power during a standby mode of an electric device or to an image formation device including the same. According to the present invention, the power control device includes: an AC power input terminal to which AC power is inputted through a plug; a first capacitor which is charged by the AC power inputted through the AC power input terminal; a first discharge resistor and a first switch element which are connected between the two terminals of the first capacitor in series to charge or discharge the first capacitor; and a discharge circuit unit which is placed between the two terminals of the first capacitor, turns off the first switch element in response to the supply of AC power when the plug is plugged on in order to prevent leakage of AC power through the first discharge resistor and the first switch element, and turns on the first switch element in response to blocking of AC power when the plug is plugged off to discharge the first capacitor through the first discharge resistor and the first switch element. [Reference numerals] (A) Plug-in; (B) Plug-off
    • 本发明涉及一种功率控制装置,用于在电气设备的待机模式或包括该功能的图像形成装置的待机模式期间最小化待机功率。 根据本发明,电力控制装置包括:AC电力输入端子,通过插头输入交流电力; 由通过AC电力输入端子输入的AC电力充电的第一电容器; 第一放电电阻器和第一开关元件,其串联连接在第一电容器的两个端子之间以对第一电容器进行充电或放电; 以及放电电路单元,其放置在第一电容器的两个端子之间,当插头插入时响应于AC电力的供应而关断第一开关元件,以便防止通过第一放电电阻器的AC电力的泄漏 以及第一开关元件,并且当插头被插入时响应于AC电力的阻塞而导通第一开关元件,以通过第一放电电阻器和第一开关元件对第一电容器放电。 (附图标记)(A)插件; (B)插件
    • 9. 发明公开
    • 전력 제어 장치 및 화상 형성 장치
    • 功率控制装置和图像形成装置
    • KR1020140021214A
    • 2014-02-20
    • KR1020120087248
    • 2012-08-09
    • 에스프린팅솔루션 주식회사
    • 정안식
    • G05F1/66B41J9/50
    • G03G13/20G03G15/2039G03G15/5004G03G15/80H02M1/00
    • The present invention relates to a power control apparatus and an image forming apparatus. The power control apparatus performs a normal operation irrespective of the type of input power and prevents overheating of a heating element even if DC power is supplied. The power control apparatus includes a power supply part supplying power to a load; an AC power switch for intermittently switching the conduction of AC power between the power supply part and the load; and a DC circuit breaker stopping the supply of DC power though the AC power switch to prevent the supply of DC power to the load through the AC power switch when the AC power is supplied though the power supply part. [Reference numerals] (140) Control part; (174) Heat lamp; (198) Temperature sensor; (306) Display; (604) EMI filter; (662) DC/DC conversion unit
    • 电力控制装置及图像形成装置技术领域 功率控制装置与输入功率的类型无关地执行正常操作,并且即使提供直流电力也可防止加热元件的过热。 电力控制装置包括向负载供电的供电部; 交流电源开关,用于在电源部分和负载之间间歇地切换交流电力的导通; 直流断路器通过交流电源开关来停止直流电源的供给,以防止当通过电源部分提供交流电源时通过交流电源开关向负载提供直流电力。 (附图标记)(140)控制部; (174)加热灯; (198)温度传感器; (306)显示; (604)EMI滤波器; (662)DC / DC转换单元