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    • 1. 发明授权
    • High-voltage electric double layer capacitor
    • 高压双电层电容器
    • US07145763B2
    • 2006-12-05
    • US11240373
    • 2005-10-03
    • Yu-Tack KimMoon-Bae LeeSang-Hyun LeeSang-Ick LeeChul-Wan ParkJin-Bae ParkKwang-Chul RohJin-Hyoung SonSeung-Hwan Song
    • Yu-Tack KimMoon-Bae LeeSang-Hyun LeeSang-Ick LeeChul-Wan ParkJin-Bae ParkKwang-Chul RohJin-Hyoung SonSeung-Hwan Song
    • H01G9/00H01G9/02
    • H01G9/155H01G9/151Y02E60/13
    • The present invention relates to a high-voltage electric double layer capacitor (EDLC), and more particularly, to an EDLC in which a surge voltage and an operating voltage are enhanced by improving the structure of a unit cell. The EDLC according to the present invention includes a unit cell having at least three electrodes. According to a preferred embodiment of the present invention, the unit cell has a structure constructed by sequentially laminating a first insulating paper layer with a sheet of insulating paper, a first electrode layer with at least two electrodes, a second insulating paper layer with a sheet of insulating paper, and a second electrode layer with at least one electrode. In accordance with the present invention, the number of electrode-facing surfaces increases, and a surge voltage and an operating voltage increase in proportion to the increased number of the electrode-facing surfaces, resulting in a high energy storage density. Accordingly, the present invention has advantages in that an EDLC with a single cell can be applied to products, an EDLC module can be miniaturized, and there is no need for a protection circuit for maintaining voltage balance on a unit cell basis upon fabrication of the module.
    • 高电压双层电容器(EDLC)技术领域本发明涉及一种高压双电层电容器(EDLC),更具体地说,涉及一种通过改善晶胞结构来提高浪涌电压和工作电压的EDLC。 根据本发明的EDLC包括具有至少三个电极的单元电池。 根据本发明的优选实施例,单元电池具有通过依次层叠第一绝缘纸层与绝缘纸片,具有至少两个电极的第一电极层,具有片材的第二绝缘纸层而构成的结构 的绝缘纸,以及具有至少一个电极的第二电极层。 根据本发明,面向电极的表面的数量增加,并且浪涌电压和工作电压与增加的电极面对表面的数量成比例地增加,导致高的储能密度。 因此,本发明的优点在于,具有单个电池的EDLC可以应用于产品,EDLC模块可以被小型化,并且不需要保护电路,用于在制造基于单元的基础上保持基于单元电池的电压平衡 模块。
    • 2. 发明申请
    • HIGH-VOLTAGE ELECTRIC DOUBLE LAYER CAPACITOR
    • 高压双电层电容器
    • US20060221551A1
    • 2006-10-05
    • US11240373
    • 2005-10-03
    • Yu-Tack KimJin-Hyoung SonMoon-Bae LeeSang-Hyun LeeKwang-Chul RohSeung-Hwan SongChul-Wan ParkSang-Ick LeeJin-Bae Park
    • Yu-Tack KimJin-Hyoung SonMoon-Bae LeeSang-Hyun LeeKwang-Chul RohSeung-Hwan SongChul-Wan ParkSang-Ick LeeJin-Bae Park
    • H01G9/00
    • H01G9/155H01G9/151Y02E60/13
    • The present invention relates to a high-voltage electric double layer capacitor (EDLC), and more particularly, to an EDLC in which a surge voltage and an operating voltage are enhanced by improving the structure of a unit cell. The EDLC according to the present invention includes a unit cell having at least three electrodes. According to a preferred embodiment of the present invention, the unit cell has a structure constructed by sequentially laminating a first insulating paper layer with a sheet of insulating paper, a first electrode layer with at least two electrodes, a second insulating paper layer with a sheet of insulating paper, and a second electrode layer with at least one electrode. In accordance with the present invention, the number of electrode-facing surfaces increases, and a surge voltage and an operating voltage increase in proportion to the increased number of the electrode-facing surfaces, resulting in a high energy storage density. Accordingly, the present invention has advantages in that an EDLC with a single cell can be applied to products, an EDLC module can be miniaturized, and there is no need for a protection circuit for maintaining voltage balance on a unit cell basis upon fabrication of the module.
    • 高电压双层电容器(EDLC)技术领域本发明涉及一种高压双电层电容器(EDLC),更具体地说,涉及一种通过改善晶胞结构来提高浪涌电压和工作电压的EDLC。 根据本发明的EDLC包括具有至少三个电极的单元电池。 根据本发明的优选实施例,单元电池具有通过依次层叠第一绝缘纸层与绝缘纸片,具有至少两个电极的第一电极层,具有片材的第二绝缘纸层而构成的结构 的绝缘纸,以及具有至少一个电极的第二电极层。 根据本发明,面向电极的表面的数量增加,并且浪涌电压和工作电压与增加的电极面对表面的数量成比例地增加,导致高的储能密度。 因此,本发明的优点在于,具有单个电池的EDLC可以应用于产品,EDLC模块可以被小型化,并且不需要保护电路,用于在制造基于单元的基础上维持基于单元电池的电压平衡 模块。
    • 4. 发明授权
    • Apparatus and method of decreasing speed of sensorless brush less direct current (BLDC) motor
    • 无刷直流无刷直流电机降速的装置及方法
    • US09287807B2
    • 2016-03-15
    • US14119519
    • 2012-09-28
    • Sang-Hyun Lee
    • Sang-Hyun Lee
    • H02P6/00H02P3/14H02P6/18H02P6/24
    • H02P3/14H02P6/182H02P6/24
    • Disclosed herein is an apparatus of a sensorless brush less direct current (BLDC) motor capable of rapidly driving the BLDC motor at a decreased speed. The apparatus includes: a switching unit configured to switch a direct current (DC) power depending on a plurality of pulse width modulation (PWM) signals to generate a three-phase alternating current (AC) power and apply the generated three-phase AC power to the BLDC motor to drive the BDLC motor; a plurality of voltage dividers configured to divide voltages of reverse electromotive forces generated in the BLDC motor; and a controlling unit configured to calculate a current rotation speed of the BLDC motor using output signals of the plurality of voltage dividers, generate the plurality of PWM signals depending on the calculated current rotation speed and a command rotation speed and output the plurality of PWM signals to the switching unit, divide a rotation phase angle of the BLDC motor into a speed decreasing region and a zero crossing point (ZCP) detecting region in the case of decreasing a rotation speed of the BLDC motor, decrease the rotation speed of the BLDC motor in the case in which the rotation phase angle of the BLDC motor is in the speed decreasing region, and detect ZCPs of the reverse electromotive forces in the case in which the rotation phase angle of the BLDC motor is in the ZCP detecting region. The apparatus may very rapidly decrease a speed of the BLDC motor to a required speed.
    • 本发明公开了一种能够以较低速度快速驱动BLDC电动机的无传感器刷少直流电动机(BLDC)电动机的装置。 该装置包括:开关单元,被配置为根据多个脉冲宽度调制(PWM)信号切换直流(DC)功率,以产生三相交流(AC)电力,并将产生的三相交流电 到BLDC电机驱动BDLC电机; 多个分压器,被配置为分配在所述BLDC电动机中产生的反向电动势的电压; 以及控制单元,被配置为使用所述多个分压器的输出信号来计算所述BLDC电动机的当前转速,根据所计算的当前转速和指令旋转速度产生所述多个PWM信号,并输出所述多个PWM信号 在切换单元中,在降低BLDC电动机的转速的情况下,将BLDC电动机的旋转相位角分为减速区域和过零点(ZCP)检测区域,降低BLDC电动机的转速 在BLDC电动机的旋转相位角处于减速区域的情况下,并且在BLDC电动机的旋转相位角处于ZCP检测区域的情况下,检测反向电动势的ZCP。 该装置可以非常快速地将BLDC电动机的速度降低到所需的速度。