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    • 5. 发明公开
    • High voltage discharge lamp device
    • 高压放电灯装置
    • EP1309060A2
    • 2003-05-07
    • EP03003047.2
    • 1998-05-15
    • Denso Corporation
    • Yamamoto, NoboruYoneima, Kenji
    • H02H9/04H02H11/00H05B41/292
    • H05B41/292H02H11/003H05B41/042H05B41/2881H05B41/2883H05B41/2886H05B41/2888H05B41/2925H05B41/2926H05B41/384H05B41/388Y02B20/202Y02B20/204Y02B20/206Y02B20/208
    • The invention relates to an apparatus for protecting an electric device for a vehicle in which an electric device (100) for a vehicle is operated by a power from a direct current power source (1) mounted on the vehicle. The apparatus comprises a MOS transistor (21) a gate of which is connected to a side of an anode of the direct current power source (1) and a source and a drain of which is connected to a ground side of the direct current power source (1), and wherein the application of a reverse voltage to the electric device (100) for the vehicle is interrupted by a withstand voltage between the drain and the source of the MOS transistor (21) when the direct current power source (1) is mounted to the vehicle with a polarity thereof inverted. Furthermore, conducting means (19) is included for bringing the MOS transistor (21) into a conductive state even when the reverse voltage of negative polarity is caused on the anode side of the direct current power source (1) by turning off an ignition switch of the vehicle.
    • 本发明涉及一种用于保护用于车辆的电气装置的装置,其中用于车辆的电气装置(100)通过来自安装在车辆上的直流电源(1)的电力来运行。 该装置包括MOS晶体管(21),MOS晶体管(21)的栅极连接到直流电源(1)的阳极的一侧,其源极和漏极连接到直流电源 (1)中,并且其中当所述直流电源(1)接通时,向所述车辆的所述电气装置(100)施加反向电压被所述MOS晶体管(21)的所述漏极和所述源极之间的耐受电压中断, 以极性相反的方式安装在车辆上。 此外,还包括导通装置(19),用于即使在直流电源(1)的阳极侧产生负极性的反向电压时,通过关闭点火开关使MOS晶体管(21)进入导通状态 的车辆。
    • 8. 发明公开
    • High voltage discharge lamp device
    • 高压放电灯装置
    • EP1309232A2
    • 2003-05-07
    • EP03003045.6
    • 1998-05-15
    • Denso Corporation
    • Yamamoto, NoboruYoneima, Kenji
    • H05B41/292
    • H05B41/292H02H11/003H05B41/042H05B41/2881H05B41/2883H05B41/2886H05B41/2888H05B41/2925H05B41/2926H05B41/384H05B41/388Y02B20/202Y02B20/204Y02B20/206Y02B20/208
    • The present invention relates to a discharge lamp device for turning on a discharge lamp (2) by alternating current by converting power from a direct current power source (1) into alternating current by an inverter circuit (7). The discharge lamp device comprises a transformer (29) in which a primary side connected to a side of the direct current power source (1) and a secondary side connected to a side of the discharge lamp (2) are electrically conducted; a bridge circuit (7a) having a plurality of switching elements (41a-41d) connected to the secondary side of the transformer (29), constituting the inverter circuit (7), inverting alternately a direction of discharge current of the discharge lamp (2) and arranged in an H-bridge shape; and a fail-safe circuit (14) for interrupting conduction of all of the plurality of semiconductor switching elements for bridge (41a-41d) when a predetermined abnormal state is detected.
    • 放电灯装置技术领域本发明涉及一种放电灯装置,其用于通过逆变器电路(7)将来自直流电源(1)的电力转换成交流电而通过交流电来接通放电灯(2)。 放电灯装置包括:变压器(29),其中连接到直流电源(1)的一侧的一次侧和连接到放电灯(2)的一侧的二次侧电导通; 具有与构成逆变器电路(7)的变压器(29)的二次侧连接的多个开关元件(41a〜41d)的桥式电路(7a),使放电灯(2)的放电电流的方向 )并且布置成H桥形状; 以及故障安全电路(14),用于当检测到预定的异常状态时中断用于桥接的多个半导体开关元件(41a-41d)的全部的导通。
    • 9. 发明公开
    • High voltage discharge lamp device
    • 高压放电灯装置
    • EP1309229A2
    • 2003-05-07
    • EP03003049.8
    • 1998-05-15
    • Denso Corporation
    • Yamamoto, NoboruYoneima, Kenji
    • H05B41/288
    • H05B41/292H02H11/003H05B41/042H05B41/2881H05B41/2883H05B41/2886H05B41/2888H05B41/2925H05B41/2926H05B41/384H05B41/388Y02B20/202Y02B20/204Y02B20/206Y02B20/208
    • The present invention relates to a discharge lamp device which comprises a power source (1); a discharge lamp (2); a transformer (29) comprising a primary side connected to a side of the power source (1) and a secondary side connected on a side of the discharge lamp (2) for transforming a power source voltage (VB) of the power source into a high voltage; a switching element (31) for the primary side for controlling a power of the discharge lamp (2) by controlling a primary current of the transformer (29); a drive circuit (124) for driving the switching element (31) for the primary side; and a first power source circuit (96) connected on the secondary side of the transformer (29) for changing a voltage on the secondary side into a first predetermined voltage (V4). The drive circuit (124) is provided with a drive power source from the first power source circuit (124).
    • 放电灯装置技术领域本发明涉及一种放电灯装置,其包括电源(1); 放电灯(2); 包括连接到电源(1)的一侧的一次侧和连接在放电灯(2)的一侧上的二次侧的变压器(29),用于将电源的电源电压(VB)变换成 高压; 一个用于初级侧的开关元件(31),用于通过控制变压器(29)的初级电流来控制放电灯(2)的功率; 用于驱动初级侧的开关元件(31)的驱动电路(124) 和连接在变压器(29)的次级侧上的第一电源电路(96),用于将次级侧上的电压变为第一预定电压(V4)。 驱动电路(124)具有来自第一电源电路(124)的驱动电源。