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    • 2. 发明专利
    • Conduction heat dissipation structure of power supply device
    • 电源装置的导电散热结构
    • JP2014117106A
    • 2014-06-26
    • JP2012270859
    • 2012-12-12
    • Cosel Co Ltdコーセル株式会社
    • KUMADA IZUMINAKATSUBO ISATOSHIMIZU YOSHIAKI
    • H02M3/28H05K7/20
    • PROBLEM TO BE SOLVED: To allow for thermal separation, without impairing continuity of a circuit pattern assuming a single substrate, by arranging a plurality of substrates separately in the vertical direction, thereby separating high heat-generating components and low heat-generating components to different substrates.SOLUTION: A first circuit pattern on which low heat-generating components, such as an electrolytic capacitor C14, excepting high heat-generating components in a power supply circuit, are arranged is formed on a first substrate 10, and a second substrate 12 is arranged to face the first substrate 10 separately therefrom. A second circuit pattern on which high heat-generating components, such as a switching element Q, are arranged separately from the first circuit pattern is formed on the second substrate 12. Connection pin members 18a-18m are arranged between the first substrate 10 and second substrate 12, and the second circuit pattern of the second substrate 12 on which high heat-generating components are arranged is connected electrically with the first circuit pattern of the first substrate 10 on which only the low heat-generating components are arranged.
    • 要解决的问题:为了允许热分离,不损害假设单个基板的电路图案的连续性,通过在垂直方向上分开布置多个基板,从而将高发热部件和低发热部件分离成不同的 基板。在第一基板10上形成第一电路图案,其中布置有电源电路中除了高发热元件之外的诸如电解电容器C14的低发热元件的第一电路图案,第二基板12 被布置成与其分开地面对第一基板10。 在第二基板12上形成有第二电路图案,其中诸如开关元件Q的高发热部件与第一电路图案分开布置。连接销构件18a-18m布置在第一基板10和第二基板10之间 基板12和其上布置有高发热部件的第二基板12的第二电路图案与仅布置有低发热部件的第一基板10的第一电路图案电连接。
    • 3. 发明专利
    • Capacitor assembly module
    • 电容器组装模块
    • JP2014116522A
    • 2014-06-26
    • JP2012270860
    • 2012-12-12
    • Cosel Co Ltdコーセル株式会社Nippon Chemicon Corp日本ケミコン株式会社
    • KUMADA IZUMIKAWAMURA ATSUSHIKOBAYASHI KENTARO
    • H01G9/12H01G2/06H01G4/228
    • PROBLEM TO BE SOLVED: To improve safety by surely preventing damage in the case where an explosion-proof valve part is operated, and to facilitate assembly to a substrate.SOLUTION: A capacitor assembly module 10 disposes two electrolytic capacitors 12 including explosion-proof valve parts in front ends and lead terminals in rear ends on a substrate 14 in the state where the capacitors are arranged side by side in the lateral direction and installed horizontally. In a capacitor housing part 16, cylindrical holes 18 are provided consecutively side by side in the lateral direction for housing the front end sides of the electrolytic capacitors 12 including the explosion-proof valve parts. A capacitor mounting part 20 is provided integrally in an axial direction of the cylindrical holes 18, and semi-cylindrical portions 22 opened upward are provided consecutively side by side in the lateral direction. A gap is formed by providing a protrusion between the explosion-proof valve part in the front end of the electrolytic capacitor 12 housed in the cylindrical hole 18 and an end face of the cylindrical hole, and the gap is communicated to the outside by forming a discharge path 32 in an axial direction of a partition wall 30 partitioning the cylindrical holes.
    • 要解决的问题:通过确保防止在操作防爆阀部件的情况下的损坏并且便于组装到基板上来提高安全性。解决方案:电容器组件模块10配置两个包括防爆阀的电解电容器12 在电容器沿横向方向并排设置并水平安装的状态下,在前端的部件和后端的引线端子在基板14上。 在电容器壳体部16中,圆筒孔18沿横向连续设置,用于容纳包括防爆阀部分的电解电容器12的前端侧。 在圆筒孔18的轴向一体地设置电容器安装部20,向上方开放的半圆筒部22在横方向上连续设置。 通过在容纳在圆筒孔18中的电解电容器12的前端的防爆阀部与筒状孔的端面之间设置突起而形成间隙,通过形成 在分隔壁30的轴向上的排出路径32。
    • 4. 发明专利
    • Switching power supply device
    • 切换电源设备
    • JP2014050278A
    • 2014-03-17
    • JP2012193183
    • 2012-09-03
    • Cosel Co Ltdコーセル株式会社
    • KAWATAKA NOBUTO
    • H02M3/28
    • PROBLEM TO BE SOLVED: To provide a switching power supply device that stably controls turning on/off of a main switching element by reducing the effect of delay of a PWM comparator and performing ideal pulse width modulation.SOLUTION: A switching control circuit 38 for controlling turning on/off of a main switching element 12 includes an error amplification circuit 40 for outputting an error amplification voltage Ver, a ramp wave generation circuit 42 for outputting a ramp wave voltage Vram, a PWM comparator 22 and a PWM auxiliary circuit 44. The error amplification circuit 40, the ramp wave generation circuit 42 and the PWM auxiliary circuit 44 output the error amplification voltage Ver, the ramp wave voltage Vram and a predetermined drive voltage Vdr, respectively. The PWM comparator 22 compares the error amplification voltage Ver on which the drive voltage Vdr is superimposed with the ramp wave voltage Vram. At the timing when the difference between the voltages of a pair of input terminals of the PWM comparator 22 decreases, the drive voltage Vdr instantaneously inverts the magnitude relationship between the voltages of the input terminals.
    • 要解决的问题:提供一种开关电源装置,其通过减少PWM比较器的延迟的影响并且执行理想的脉宽调制来稳定地控制主开关元件的导通/截止。解决方案:用于控制的开关控制电路38 主开关元件12的接通/断开包括用于输出误差放大电压Ver的误差放大电路40,用于输出斜坡波电压Vram的斜波生成电路42,PWM比较器22和PWM辅助电路44。 误差放大电路40,斜波发生电路42和PWM辅助电路44分别输出误差放大电压Ver,斜波电压Vram和预定的驱动电压Vdr。 PWM比较器22将驱动电压Vdr上叠加的误差放大电压Ver与斜波电压Vram进行比较。 在PWM比较器22的一对输入端子的电压差减小的定时,驱动电压Vdr瞬时反转输入端子的电压之间的大小关系。
    • 5. 发明专利
    • Switching power supply device
    • 切换电源设备
    • JP2013236453A
    • 2013-11-21
    • JP2012106868
    • 2012-05-08
    • Cosel Co Ltdコーセル株式会社
    • HIRATA TETSUOKAMIYA SATOSHI
    • H02M7/06H02M3/00
    • PROBLEM TO BE SOLVED: To provide a switching power supply device that easily reduces normal mode noise generated in a smoothing aluminum electrolytic capacitor.SOLUTION: A bridge rectifier 14 full-wave-rectifies an input AC voltage, and an aluminum electrolytic capacitor 18 smooths a rectified voltage from the bridge rectifier 14. A DC-DC converter 26 receives a voltage across the aluminum electrolytic capacitor 18 applied between a pair of input ends 20, and produces a switching current from the input ends 20. An interphase capacitor 28 is connected between the pair of input ends 20. The impedance of the interphase capacitor 28 is higher than that of the aluminum electrolytic capacitor 18 at a frequency fac twice as high as the frequency of the input AC voltage, and is lower than that of the aluminum electrolytic capacitor 18 at a switching frequency fsw. A suppression inductor is inserted at a junction of the input ends 20 and the aluminum electrolytic capacitor 18 to suppress the passage of the switching current.
    • 要解决的问题:提供一种能够容易地降低平滑铝电解电容器中产生的正常模式噪声的开关电源装置。解决方案:桥式整流器14对输入的交流电压进行全波整流,并且铝电解电容器18使 DC-DC转换器26接收施加在一对输入端20之间的铝电解电容器18两端的电压,并从输入端20产生开关电流。相间电容器28连接在 一对输入端20.相间电容器28的阻抗高于铝电解电容器18的频率两倍于输入AC电压的频率的阻抗,并且低于铝电解电容器的阻抗 18,开关频率fsw。 在输入端20和铝电解电容器18的接合处插入抑制电感器,以抑制开关电流的通过。
    • 6. 发明专利
    • Switching power supply device and switching power supply device program writing system
    • 切换电源设备和切换电源设备程序写入系统
    • JP2013223351A
    • 2013-10-28
    • JP2012093843
    • 2012-04-17
    • Cosel Co Ltdコーセル株式会社
    • HORII KAZUHIRO
    • H02M3/28
    • PROBLEM TO BE SOLVED: To provide a switching power supply device which can be easily downsized because the number of program writing external connection terminals is small and a program writing system therefor.SOLUTION: The switching power supply device comprises: a digital processor 10 which includes an EPROM having a control program stored therein and terminals D11 and D12 to which a digital signal for writing the control program into the EPROM is input; a power supply line 26 for a control circuit including the digital processor 10; and a power supply voltage monitoring circuit 42 which monitors a voltage change in the power supply line 26. When the control program is written into, a power supply voltage necessary to drive the digital processor 10 is supplied to the power supply line 26, and a specific digital signal is superposed on the power supply voltage as it is transmitted. The power supply voltage monitoring circuit 42 extracts the specific digital signal from the power supply voltage and outputs the extracted signal to the terminal D11. Other digital signals are input directly to the terminal D12.
    • 要解决的问题:提供一种开关电源装置,由于写入外部连接端子的编程次数小,因此能够容易地小型化。开关电源装置包括:数字处理器10,其包括 其中存储有控制程序的EPROM和输入用于将控制程序写入EPROM的数字信号的端子D11和D12; 用于包括数字处理器10的控制电路的电源线26; 以及监视电源线26的电压变化的电源电压监视电路42.当控制程序被写入时,驱动数字处理器10所需的电源电压被提供给电源线26,并且 特定的数字信号在发送时叠加在电源电压上。 电源电压监视电路42从电源电压提取特定的数字信号,并将提取的信号输出到终端D11。 其他数字信号直接输入到终端D12。
    • 7. 发明专利
    • Power supply device and power system using the same
    • 电源装置和使用该电源的电力系统
    • JP2013138557A
    • 2013-07-11
    • JP2011287898
    • 2011-12-28
    • Cosel Co Ltdコーセル株式会社
    • HORII KAZUHIRO
    • H02M3/28H02J1/10H03K17/567H03K17/687
    • PROBLEM TO BE SOLVED: To provide a switching power supply device and a power system therewith which facilitate balance control at parallel and series operations by implementing communication through less wiring by means of a general purpose UART module.SOLUTION: A switching power supply device 16 includes: an output voltage detection circuit 22; an output current detection circuit 24; a pulse generation circuit 20 for generating a pulse voltage V36 for driving a main switching element 28; and a control circuit 26 having a UART module 40 capable of communication through an INF line 44 connected with TX and RX terminals, and a control section 42 for generating a control signal Vd. When designated to a master mode by a mode setting signal Vmo, the control section 42 generates the control signal Vd such that an output voltage signal Vo1 approaches a self-desired value Vr determined by a voltage setting signal Vtrm. When designated to a slave mode, the control section 42 generates the control signal Vd such that an adjusted desired value Vr determined by a signal received by the UART module 40 is approached.
    • 要解决的问题:提供一种开关电源装置及其电力系统,其通过通过通用UART模块的较少布线来实现通过并行和串联操作的平衡控制。解决方案:开关电源装置16包括 输出电压检测电路22; 输出电流检测电路24; 用于产生用于驱动主开关元件28的脉冲电压V36的脉冲发生电路20; 以及具有能够通过与TX和RX端子连接的INF线路44进行通信的UART模块40的控制电路26以及用于产生控制信号Vd的控制部分42。 当通过模式设置信号Vmo指定为主模式时,控制部分42产生控制信号Vd,使得输出电压信号Vo1接近由电压设置信号Vtrm确定的自需值Vr。 当指定为从模式时,控制部分42产生控制信号Vd,使得由UART模块40接收的信号确定的调整的期望值Vr接近。
    • 8. 发明专利
    • Switching power unit
    • 切换电源
    • JP2012244772A
    • 2012-12-10
    • JP2011112551
    • 2011-05-19
    • Cosel Co Ltdコーセル株式会社
    • HORII KAZUHIRO
    • H02M3/28
    • PROBLEM TO BE SOLVED: To provide a switching power unit which easily absorbs an influence of individual difference etc. of internal elements etc. to accurately attain desired static load fluctuation characteristics.SOLUTION: A switching power unit includes: an output voltage detection circuit 38 which outputs an indirect output voltage signal V3; a reference voltage signal generation circuit 42 which outputs a reference voltage signal V2; and an error amplifier 44 which outputs difference between the reference voltage signal V2 and the indirect output voltage signal V3. The switching power unit includes a main switching element drive circuit 24 which performs pulse width modulation on the basis of output of the error amplifier 44 to output a drive pulse Vg22. The switching power unit includes an output current detection circuit 48 which detects switching current to output an indirect output current signal V1. The switching power unit includes a correction amount control circuit 46 which intermits the indirect output current signal V1 with ratio D46 at on. The reference voltage signal generation circuit 42 receives the indirect output current signal V1 via the correction amount control circuit 46, and corrects the reference voltage signal V2 according to a peak value and the ratio D46 at on of the indirect output current signal V1.
    • 要解决的问题:提供容易吸收内部元件等的个体差异等的影响的开关动力单元,以精确地获得期望的静态负载波动特性。 解决方案:开关电源单元包括:输出电压检测电路38,其输出间接输出电压信号V3; 输出参考电压信号V2的参考电压信号发生电路42; 输出参考电压信号V2和间接输出电压信号V3之差的误差放大器44。 开关电源单元包括:主开关元件驱动电路24,其根据误差放大器44的输出进行脉宽调制,输出驱动脉冲Vg22。 开关电源单元包括检测开关电流以输出间接输出电流信号V1的输出电流检测电路48。 开关电源单元包括校正量控制电路46,其将比率D46的间接输出电流信号V1中断。 基准电压信号生成电路42经由校正量控制电路46接收间接输出电流信号V1,并根据峰值和间接输出电流信号V1的导通时的比D46校正基准电压信号V2。 版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Switching power supply device, and switching power supply system using the same
    • 切换电源装置,以及使用其切换电源系统
    • JP2012151937A
    • 2012-08-09
    • JP2011007075
    • 2011-01-17
    • Cosel Co Ltdコーセル株式会社
    • HORII KAZUHIRO
    • H02M3/00
    • PROBLEM TO BE SOLVED: To provide a switching power supply device having a synchronous operation function for preventing generation of low-frequency beat noise, and having versatility responding to forms of a power supply system, and to provide a switching power supply system using the same.SOLUTION: A switching power supply device consists of: a power conversion part 18 having a main switching element 22a and a switching element control circuit 28 deciding an on-timing of the main switching element 22a; and a synchronous operation control circuit 20. The synchronous operation control circuit 20 has an operation mode setting signal input terminal A for external input, and a synchronization clock signal input terminal B to which a synchronization clock signal Sb obtained by frequency-dividing a system clock signal by the frequency division number n is input. The synchronous operation control circuit 20 also has: an oscillation circuit 30 outputting an oscillation clock signal having a predetermined frequency; a selection circuit 32 outputting the synchronization clock signal Sb or the oscillation clock signal; and a frequency multiplication circuit 34 outputting the system clock signal obtained by multiplying the output signal of the selection circuit 32 by n. The synchronous operation control circuit 20 also has a first frequency division circuit 36 generating a driving clock signal obtained by frequency-dividing the system clock signal by m.
    • 解决的问题:提供一种开关电源装置,其具有用于防止产生低频拍噪噪声的同步操作功能,并且具有响应于电源系统的形式的通用性,并且提供开关电源系统 使用相同 解决方案:开关电源装置包括:具有主开关元件22a的电力转换部分18和决定主开关元件22a接通定时的开关元件控制电路28; 和同步运算控制电路20.同步运算控制电路20具有用于外部输入的运转模式设定信号输入端子A和同步时钟信号输入端子B,通过对系统时钟进行分频而得到的同步时钟信号Sb 信号由分频数n输入。 同步运算控制电路20还具有:输出具有预定频率的振荡时钟信号的振荡电路30; 输出同步时钟信号Sb或振荡时钟信号的选择电路32; 以及输出通过将选择电路32的输出信号乘以n而获得的系统时钟信号的倍频电路34。 同步运算控制电路20还具有产生通过将系统时钟信号除以m而获得的驱动时钟信号的第一分频电路36。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Power factor improvement circuit and starting operation control method thereof
    • 功率因数改进电路及其启动操作控制方法
    • JP2011229233A
    • 2011-11-10
    • JP2010095001
    • 2010-04-16
    • Cosel Co Ltdコーセル株式会社
    • KAMIYA SATOSHI
    • H02M7/12H02M3/155
    • Y02P80/112
    • PROBLEM TO BE SOLVED: To provide a power factor improvement circuit which can suppress the overshoot and undershoot of output voltage during applying an input within a predetermined voltage range and easily performs even constant design.SOLUTION: The power factor improvement circuit includes pulsating current monitoring means 40 for outputting a pulsating current monitoring signal showing that the instantaneous value of an input voltage signal Vs1 is equal to or less than second reference voltage Via. The power factor improvement circuit includes difference voltage monitoring means 42 for outputting a difference voltage monitoring signal showing that an output voltage signal Vo1 reaches voltage which is lower than the peak value of the input voltage signal Vs1 only by three reference voltage Vob. The power factor improvement circuit includes first output monitoring means 44 for outputting a first output monitoring signal showing that the output voltage signal Vo1 reaches fourth reference voltage Voc. The power factor improvement circuit includes second output monitoring means 46 for outputting a second output monitoring signal showing that the output voltage signal Vo1 reaches fifth reference voltage Vod. The power factor improvement circuit includes start/stop determining means 48 for outputting a determination result as to whether to make a driving pulse Vg an outputable state on the basis of each monitoring signal to a driving pulse generation circuit 38.
    • 要解决的问题:提供一种功率因数改善电路,其能够在施加预定电压范围内的输入时抑制输出电压的过冲和下冲,并且容易进行均匀的设计。 解决方案:功率因数改善电路包括脉动电流监测装置40,用于输出表示输入电压信号Vs1的瞬时值等于或小于第二参考电压Via的脉动电流监视信号。 功率因数提高电路包括差分电压监视装置42,用于输出表示输出电压信号Vo1仅通过三个参考电压Vob达到低于输入电压信号Vs1的峰值的电压的差分电压监视信号。 功率因数改善电路包括用于输出表示输出电压信号Vo1达到第四基准电压Voc的第一输出监视信号的第一输出监视装置44。 功率因数改善电路包括第二输出监视装置46,用于输出表示输出电压信号Vo1达到第五参考电压Vod的第二输出监控信号。 功率因数提高电路包括启动/停止确定装置48,用于根据每个监视信号向驱动脉冲发生电路38输出关于是否使驱动脉冲Vg成为可输出状态的确定结果。COPYRIGHT :(( C)2012,JPO&INPIT