VOLTAGE RECTIFIER WITH SPECIFIC DIODE ARRANGEMENT

    公开(公告)号:WO2011151767A3

    公开(公告)日:2011-12-08

    申请号:PCT/IB2011/052331

    申请日:2011-05-27

    Abstract: The invention is directed to a voltage rectifier (23) comprising at least two diode arrays (33, 34, 35, 36) each comprising plural diodes (33a, 33b, 33p, 34a, 34b, 35a, 35b, 35p, 36a, 36b, 36c, 36d, 36p) connected in series. The diode arrays are arranged in an enclosure (47). The diode arrays are arranged in a special arrangement for providing an even distribution of a field strength. According to an embodiment and with respect to the figures, the vertical distance between an enclosure (47) and the diode arrays (33, 34, 35, 36) increases when horizontally distancing from the direct current terminals. Further, the invention provides a voltage generator (21) and a voltage rectifier (23) having such a voltage rectifier.

    VOLTAGE RECTIFIER WITH SPECIFIC DIODE ARRANGEMENT
    2.
    发明申请
    VOLTAGE RECTIFIER WITH SPECIFIC DIODE ARRANGEMENT 审中-公开
    具有特殊二极管布置的电压整流器

    公开(公告)号:WO2011151767A2

    公开(公告)日:2011-12-08

    申请号:PCT/IB2011052331

    申请日:2011-05-27

    CPC classification number: H02M7/106 H02M7/06

    Abstract: The invention is directed to a voltage rectifier (23) comprising at least two diode arrays (33, 34, 35, 36) each comprising plural diodes (33a, 33b, 33p, 34a, 34b, 35a, 35b, 35p, 36a, 36b, 36c, 36d, 36p) connected in series. The diode arrays are arranged in an enclosure (47). The diode arrays are arranged in a special arrangement for providing an even distribution of a field strength. According to an embodiment and with respect to the figures, the vertical distance between an enclosure (47) and the diode arrays (33, 34, 35, 36) increases when horizontally distancing from the direct current terminals. Further, the invention provides a voltage generator (21) and a voltage rectifier (23) having such a voltage rectifier.

    Abstract translation: 本发明涉及一种电压整流器(23),其包括至少两个二极管阵列(33,34,35,36),每个二极管阵列包括多个二极管(33a,33b,33p,34a,34b,35a,35b,35p,36a,36b ,36c,36d,36p)串联连接。 二极管阵列布置在外壳(47)中。 二极管阵列被布置成用于提供场强的均匀分布的特殊布置。 根据实施例,并且关于附图,当与直流端子水平隔开时,外壳(47)和二极管阵列(33,34,35,36)之间的垂直距离增加。 此外,本发明提供一种具有这种电压整流器的电压发生器(21)和电压整流器(23)。

    METHOD AND CIRCUIT FOR DRIVING A GAS DISCHARGE LAMP
    4.
    发明申请
    METHOD AND CIRCUIT FOR DRIVING A GAS DISCHARGE LAMP 审中-公开
    用于驱动气体放电灯的方法和电路

    公开(公告)号:WO2007072265A3

    公开(公告)日:2007-09-20

    申请号:PCT/IB2006054629

    申请日:2006-12-06

    Inventor: LUERKENS PETER

    CPC classification number: H05B41/2928 H05B41/2883 Y02B20/204 Y02B20/208

    Abstract: The invention relates to a method for driving a gas discharge lamp and relates to a lamp driver circuit for driving a gas discharge lamp in accordance with said method. The method comprises supplying a current to the gas discharge lamp, reversing the direction of the current supplied to the gas discharge lamp and, substantially simultaneously, generating a relatively high voltage. The generated high voltage serves to prevent a series of re-ignitions of the gas discharge lamp that may lead to visible flickering of the gas discharge lamp or to extinction of the gas discharge lamp.

    Abstract translation: 本发明涉及一种用于驱动气体放电灯的方法,涉及一种根据所述方法驱动气体放电灯的灯驱动电路。 该方法包括向气体放电灯提供电流,反转供给到气体放电灯的电流的方向,并且基本上同时产生相对高的电压。 所产生的高电压用于防止可能导致气体放电灯可见闪烁或气体放电灯熄灭的气体放电灯的一系列重新点燃。

    VOLTAGE MULTIPLIER WITH IMPROVED POWER EFFICIENCY AND APPARATUS PROVIDED WITH SUCH VOLTAGE MULTIPLIER
    5.
    发明申请
    VOLTAGE MULTIPLIER WITH IMPROVED POWER EFFICIENCY AND APPARATUS PROVIDED WITH SUCH VOLTAGE MULTIPLIER 审中-公开
    具有提高功率效率的电压乘法器和提供这种电压乘法器的装置

    公开(公告)号:WO2007017793A1

    公开(公告)日:2007-02-15

    申请号:PCT/IB2006/052625

    申请日:2006-08-01

    Inventor: LUERKENS, Peter

    CPC classification number: H02M3/07 H05G1/12

    Abstract: A voltage multiplier comprising a chain of multiplier stages, each multiplier stage (STGj) comprising first and second inputs (IPIj, IP2j) and first and second outputs (OPIj, 0P2j), which first and second outputs of a multiplier stage is coupled to respective first and second inputs of another multiplier stage, each multiplier stage (STGj) comprising a series diode arrangement of two diodes (DIj, D2j) coupled, in the same current conducting direction, between the first input (IPIj) and the first output (OPIj). Each multiplier stage (STGj) further comprises a first capacitor (CIj) coupled between the first input (IPIj) and the first output (OPIj), and a second capacitor (C2j) coupled between the second input (IP2j) and the second output (0P2j). Each multiplier stage (STGj) further comprises equalizing means (VLSj; C2j, C3j, C4j), preferably capacitors (Csj), for equalizing the current distributions, as a function of time, of the currents (Ij) through the diodes (DIj, D2j).

    Abstract translation: 包括乘法器级链的电压倍增器,每个乘法器级(STGj)包括第一和第二输入(IPIj,IP2j)以及第一和第二输出(OPIj,0P2j),乘法器级的第一和第二输出耦合到相应的 另一乘法器级的第一和第二输入,每个乘法级(STGj)包括在相同的电流传导方向上在第一输入(IPIj)和第一输出(OPIj)之间耦合的两个二极管(DIj,D2j)的串联二极管布置 )。 每个乘法器级(STGj)还包括耦合在第一输入(IPIj)和第一输出(OPIj)之间的第一电容器(C1j)和耦合在第二输入端(IP2j)和第二输出端 0P2j)。 每个乘法器级(STGj)还包括均衡装置(VLSj; C2j,C3j,C4j),优选电容器(Csj),用于均衡通过二极管(DIj,...)的电流(Ij)作为时间的函数的电流分布, D2j)。

    METHOD FOR DRIVING AN INVERTER OF A GAS DISCHARGE SUPPLY CIRCUIT
    6.
    发明申请
    METHOD FOR DRIVING AN INVERTER OF A GAS DISCHARGE SUPPLY CIRCUIT 审中-公开
    用于驱动气体放电电路的逆变器的方法

    公开(公告)号:WO2006137027A2

    公开(公告)日:2006-12-28

    申请号:PCT/IB2006/052004

    申请日:2006-06-21

    Inventor: LUERKENS, Peter

    CPC classification number: H05B41/2885 H02M1/38 Y02B20/202

    Abstract: A method of controlling an inverter (4) of a gas discharge lamp circuit. The inverter comprises two branches, each having a first semiconductor switch (32, 36) in series with a second semiconductor switch (34, 38) and having a connection node (40, 44), which is connected to a respective output terminal (42, 46) of the inverter. The first and second switches are connected to a first input terminal (16) and to a second input terminal (18) of the inverter, respectively. Each switch has an intrinsic or externally connected antiparallel diode(52-56). The switches of the branches are controlled by a controller in an alternating and cross-like manner to conduct and to not conduct. Controlling of switches is delayed by a first delay time per branch and by a second delay time between branches.

    Abstract translation: 一种控制气体放电灯电路的逆变器(4)的方法。 逆变器包括两个分支,每个分支具有与第二半导体开关(34,38)串联的第一半导体开关(32,36),并具有连接到相应的输出端子(42,44)的连接节点(40,44) ,46)。 第一和第二开关分别连接到逆变器的第一输入端子(16)和第二输入端子(18)。 每个开关具有内部或外部连接的反并联二极管(52-56)。 分支的开关由控制器以交替和交叉的方式控制,以进行和不导通。 开关的控制被延迟每个分支的第一延迟时间和分支之间的第二延迟时间。

    PRE-CONDITIONER WITH LOW VOLTAGE COMPONENTS
    7.
    发明申请
    PRE-CONDITIONER WITH LOW VOLTAGE COMPONENTS 审中-公开
    具有低压组件的预调节器

    公开(公告)号:WO2006051450A2

    公开(公告)日:2006-05-18

    申请号:PCT/IB2005/053590

    申请日:2005-11-03

    Inventor: LUERKENS, Peter

    CPC classification number: H02M3/158 H02M2001/009

    Abstract: A pre-conditioner circuit comprising first and second pre-conditioner modules (10, 12), each having an input (Vin1, Vin2) and an output (Vout1, Vout2), the outputs (Vout1, Vout2) being coupled to respective load modules (14, 16). The output (Vout1, Vout2) of each pre-conditioner module (10, 12) is serially connected to the input (Vin2, Vin1) of the other pre-conditioner module (12, 10), such that an arbitrary series of parallel connection of the load modules (14, 16) can be achieved, depending on the rout voltage (Vin). Thus, low voltage components can be used in pre-conditioner modules (10, 12) and the load modules (14, 16), without the need for over-dimensioning.

    Abstract translation: 包括分别具有输入(Vin1,Vin2)和输出(Vout1,Vout2)的第一和第二预调节器模块(10,12)的预调节器电路,所述输出(Vout1, Vout2)耦合到相应的负载模块(14,16)。 每个预调节器模块(10,12)的输出(Vout1,Vout2)串联连接到另一个预调节器模块(12,10)的输入(Vin2,Vin1),使得任意串联的并联 根据路由电压(Vin),可以实现负载模块(14,16)。 因此,可以在预调节器模块(10,12)和负载模块(14,16)中使用低电压部件,而不需要超尺寸。

    ANALOG TO DIGITAL CONVERSION CIRCUIT WITH AUTOMATIC BIAS POINT DETERMINATION AND MR GRADIENT SYSTEMS USING THE SAME
    8.
    发明申请
    ANALOG TO DIGITAL CONVERSION CIRCUIT WITH AUTOMATIC BIAS POINT DETERMINATION AND MR GRADIENT SYSTEMS USING THE SAME 审中-公开
    模拟数字转换电路与自动偏离点确定和MR梯度系统使用相同

    公开(公告)号:WO2010018533A3

    公开(公告)日:2010-04-08

    申请号:PCT/IB2009053516

    申请日:2009-08-11

    CPC classification number: H03M3/412

    Abstract: A hybrid analog/digital circuit comprises: an analog difference element (60) configured to output an analog difference signal (d) corresponding to a difference between an input analog signal (s meas ) and an analog feedback signal (s bias ); an analog-to-digital converter (ADC) (62) configured to generate a multi-bit digital representation (D) of the analog difference signal; digital control circuitry (64, 66, 68) including at least a digital integrator or digital summer (64), the digital control circuitry configured to generate a digital control signal (S BIAS ) based on the multi-bit digital representation of the analog difference signal; a digital-to-analog converter (DAC) (70) configured to generate the analog feedback signal (s bias ) having an analog value corresponding to a digital value of the digital control signal; and an output unit (72, 74) arranged to output a digital output signal (S MEAS ) equal to or derived from the digital control signal.

    Abstract translation: 一种混合模拟/数字电路,包括:模拟差分元件(60),被配置为输出与输入模拟信号(s meas)和模拟反馈信号(s bias)之间的差相对应的模拟差分信号(d); 模数转换器(ADC)(62),其被配置为生成所述模拟差分信号的多位数字表示(D);模数转换器 数字控制电路(64,66,68),其至少包括数字积分器或数字加法器(64),所述数字控制电路被配置为基于所述模拟差分的所述多位数字表示产生数字控制信号(S BIAS) 信号; 数模转换器(DAC)(70),被配置为生成具有对应于所述数字控制信号的数字值的模拟值的所述模拟反馈信号(s bias); 和输出单元(72,74),其被配置为输出等于或来源于数字控制信号的数字输出信号(S MEAS)。

    DC/AC POWER INVERTER CONTROL UNIT OF A RESONANT POWER CONVERTER CIRCUIT, IN PARTICULAR A DC/DC CONVERTER FOR USE IN A HIGH-VOLTAGE GENERATOR CIRCUITRY OF A MODERN COMPUTED TOMOGRAPHY DEVICE OR X-RAY RADIOGRAPHIC SYSTEM
    9.
    发明申请
    DC/AC POWER INVERTER CONTROL UNIT OF A RESONANT POWER CONVERTER CIRCUIT, IN PARTICULAR A DC/DC CONVERTER FOR USE IN A HIGH-VOLTAGE GENERATOR CIRCUITRY OF A MODERN COMPUTED TOMOGRAPHY DEVICE OR X-RAY RADIOGRAPHIC SYSTEM 审中-公开
    直流/交流电源逆变器控制单元的谐振功率转换器电路,特别是用于现代计算机断层摄影装置或X射线照相系统的高压发生器电路中的DC / DC转换器

    公开(公告)号:WO2009109902A2

    公开(公告)日:2009-09-11

    申请号:PCT/IB2009/050839

    申请日:2009-03-03

    CPC classification number: H02M7/53873 H02M1/40 H02M2001/0064 Y02B70/1441

    Abstract: The present invention refers to a DC/AC power inverter control unit of a resonant-type power converter circuit (400), in particular a DC/DC converter, for sup- plying an output power for use in, for example, a high-voltage generator circuitry of an X-rayradiographic imaging system, 3D rotational angiography device or X-raycom- puted tomography device of the fan-or cone-beam type. More particularly, the present invention is directed to a resonant-type power converter circuit which comprises an in- terphase transformer (406) connected in series to at least one series resonant tank circuit (403a and 403a' or 403b and 403b') at the output of two DC/AC power inverter stages (402a+b) supplying a multi-primary winding high-voltage transformer (404), wherein said interphase transformer (406) serves for removing the difference (DI) in the resonant output currents ( I 1 and I 2 ) of the DC/AC power inverter stages (402a+b). Furthermore, the present invention is dedicated to a control method which assures that the interphase transformer (406) is not saturated. This control method ensures zero current operation and provides for that input power losses can be minimized.

    Abstract translation: 本发明涉及谐振型功率变换器电路(400)的DC / AC功率变换器控制单元,特别是DC / DC变换器,用于提供输出功率以供使用 例如在X射线辐射成像系统的高压发生器电路,3D旋转血管造影设备或扇形或锥形束型的X射线断层摄影设备中。 更具体地说,本发明涉及一种谐振型功率变换器电路,其包括串联连接到至少一个串联谐振回路电路(403a和403a'或403b和403b')的相位变压器(406) (404)的两个DC / AC功率逆变器级(402a + b)的输出端,其中所述相间变压器(406)用于消除谐振输出电流 (1)和/或第一部分(2)和第二部分(2)中的每一个 /交流电逆变器级(402a + b)。 此外,本发明致力于确保相间变压器(406)不饱和的控制方法。 这种控制方法确保了零电流操作,并且可以将输入功率损耗降至最低。

    POWER INVERTER CONTROL DEVICE FOR SWITCHING POINT DETERMINATION
    10.
    发明申请
    POWER INVERTER CONTROL DEVICE FOR SWITCHING POINT DETERMINATION 审中-公开
    用于切换点确定的电力逆变器控制装置

    公开(公告)号:WO2007122530A8

    公开(公告)日:2008-10-09

    申请号:PCT/IB2007051270

    申请日:2007-04-10

    CPC classification number: H02M1/083 H02M2001/0009

    Abstract: Current switching point determination devices use two comparators with fixed threshold values. According to an exemplary embodiment of the present invention, a power inverter control device for switching point determination is provided which comprises a filter circuit and a subsequent single comparator. By this arrangement, the time event is independent of the amplitude and for sufficiently small frequencies also of the frequency.

    Abstract translation: 当前切换点确定设备使用具有固定阈值的两个比较器。 根据本发明的示例性实施例,提供了一种用于切换点确定的功率逆变器控制装置,其包括滤波器电路和随后的单个比较器。 通过这种安排,时间事件与振幅无关,频率也与频率的足够小的频率无关。

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