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1. 发明专利

JP2014131446A Power conversion device 有权
标题翻译：电源转换器件
公开(公告)号：JP2014131446A
公开(公告)日：2014-07-10
申请号：JP2012288792
申请日：2012-12-28
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： TANIGUCHI TOMOO , SEKIMOTO MORIMITSU , HIBINO HIROSHI , MAEDA TOSHIYUKI
IPC分类号： H02M7/48 , H02M7/06
摘要： PROBLEM TO BE SOLVED: To avoid loss of reliability of a power conversion device, in which a capacitor with relatively small capacitance is connected in parallel to an output of a converter circuit, due to excessive voltage rise of the capacitor and voltage shortage to a motor.SOLUTION: A series circuit (5) having a second capacitor (4c) and a switch (5a) that are connected in series to each other is connected in parallel to a first capacitor (3a) of a DC link section (3). Open and close of a switch (5a) is controlled by a switch control section (14) so as to prevent an over voltage of the DC link section (3) or so as to prevent voltage shortage of the DC link section (3) to a load of a motor (8).
摘要翻译：要解决的问题为了避免由于电容器的电压上升和电机的电压不足而导致电容器相对较小的电容并联连接到转换器电路的输出的功率转换装置的可靠性的损失解决方案：具有彼此串联连接的第二电容器（4c）和开关（5a）的串联电路（5）并联连接到直流链路部分（3）的第一电容器（3a）。开关（5a）的开闭由开关控制部（14）控制，以防止直流连杆部（3）的过电压等，以防止直流连接部（3）的电压不足电动机（8）的负载。

2. 发明专利

JP2012151967A Power conversion device 有权
标题翻译：电源转换器件
公开(公告)号：JP2012151967A
公开(公告)日：2012-08-09
申请号：JP2011007867
申请日：2011-01-18
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： TANIGUCHI TOMOO , SEKIMOTO MORIMITSU , HIBINO HIROSHI , MAEDA TOSHIYUKI
IPC分类号： H02P6/18
摘要： PROBLEM TO BE SOLVED: To provide a power conversion device with a connected motor which suppresses a rise in capacitor voltage at the start of the motor.SOLUTION: A control section (5) controls switching of switching elements (Su,Sv,Sw,Sx,Sy,Sz). A capacitor (3a) smooths ripples caused by the switching. At the start of a motor (7), the control section (5) applies to the motor (7) a high frequency current whose frequency is a startup maximum operating frequency or higher and magnitude is not enough to drive the motor (7) to thereby detect the position of a rotor (7a) of the motor (7), and controls the magnitude of motor currents (iu,iv,iw) in accordance with the detected position.
摘要翻译：要解决的问题：提供具有连接电动机的电力转换装置，其抑制电动机起动时的电容器电压的上升。控制部（5）控制开关元件（Su，Sv，Sw，Sx，Sy，Sz）的切换。电容器（3a）平滑由开关引起的波纹。在马达（7）的启动时，控制部（5）向电动机（7）施加频率为启动最大工作频率以上的高频电流，并且大小不足以将电动机（7）驱动到从而检测电动机（7）的转子（7a）的位置，并且根据检测到的位置来控制电动机电流（iu，iv，iw）的大小。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2010220303A Power conversion apparatus 审中-公开
标题翻译：功率转换装置
公开(公告)号：JP2010220303A
公开(公告)日：2010-09-30
申请号：JP2009061460
申请日：2009-03-13
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： HIBINO HIROSHI , SEKIMOTO MORIMITSU , KAWASHIMA REIJI , MAEDA TOSHIYUKI
IPC分类号： H02M7/48 , H02M5/297 , H02M7/487 , H02M7/5387 , H02P27/06
CPC分类号： H02M7/487 , H02M7/5388
摘要： PROBLEM TO BE SOLVED: To reliably prevent the generation of such an excessive surge that damages hardware components, etc. within a power converting circuit, when an inductance element is opened without being affected by the operational state of a gate driving circuit, in a power conversion apparatus which includes a power converting circuit with a plurality of switching elements and an inductance element connected to this power converting circuit. SOLUTION: In the power conversion apparatus, at least some of plural switching elements (Su, Sv, Sw, Sx, Sy, and Sz) are made normally-on switching elements so as to form a reflux path 14 which returns a current within a motor 3, even if the gate driving circuit of the plural switching elements (Su, Sv, Sw, Sx, Sy, and Sz) stops. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题为了可靠地防止在电力转换电路中产生损坏硬件部件等的这种过大的浪涌，当电感元件打开而不受栅极驱动电路的工作状态的影响时，在包括具有多个开关元件的电力转换电路和连接到该电力转换电路的电感元件的电力转换装置中。解决方案：在功率转换装置中，将多个开关元件（Su，Sv，Sw，Sx，Sy和Sz）中的至少一些制成正常开关元件，以形成回流路径14，即使多个开关元件（Su，Sv，Sw，Sx，Sy，Sz）的栅极驱动电路停止，电动机3内的电流也不变。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2006166656A Multiphase current supply circuit, driving unit, compressor, and air conditioner 有权
标题翻译：多相电流电路，驱动单元，压缩机和空调
公开(公告)号：JP2006166656A
公开(公告)日：2006-06-22
申请号：JP2004357011
申请日：2004-12-09
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： YAMAI HIROYUKI , SEKIMOTO MORIMITSU
IPC分类号： H02M7/48 , H02P27/06
CPC分类号： H02M5/458 , H02H7/1222 , H02H9/04
摘要： PROBLEM TO BE SOLVED: To perform condensorless inverter control by making the capacity of a capacitor remarkably small even in case that thunder surge is superposed. SOLUTION: A multiphase current supply circuit is equipped with a converter 2, an intervening circuit 3a, an inverter 4, a control circuit 6, and a lightning arrestor 7. A power system 1 is connected via the lightning arrestor 7 to the converter 2, and AC voltage V in is rectified. The intervening circuit 3a has a capacitor 31 and a bypass 33 connected in parallel with it. In the bypass 33, a diode D S , a resistor R S , and a capacitor C S are connected in series, and the direction of going from the anode to the cathode of the diode D S accords with the direction of going from the high-potential side to the low-potential side of a smoothing capacitor. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：即使在重叠雷电浪涌的情况下，也可以使电容器的容量显着小，来进行无电抗器控制。解决方案：多相电流供应电路配备有转换器2，中间电路3a，反相器4，控制电路6和避雷器7.电力系统1经由避雷器7连接到转换器2和中的交流电压V 被校正。中间电路3a具有与其并联连接的电容器31和旁路33。在旁路33中，串联连接二极管D S ，电阻器R S 和电容器C S 从二极管D ~~S的阳极流向阴极符合从平滑电容器的高电位侧到低电位侧的方向。版权所有（C）2006，JPO＆NCIPI~~

5. 发明专利

JP2006166654A Multiphase current supply circuit, driving unit, compressor, and air conditioner 有权
标题翻译：多相电流电路，驱动单元，压缩机和空调
公开(公告)号：JP2006166654A
公开(公告)日：2006-06-22
申请号：JP2004356973
申请日：2004-12-09
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： YAMAI HIROYUKI , SEKIMOTO MORIMITSU
IPC分类号： H02M7/48
CPC分类号： H02M1/12 , H02M1/14 , H02M1/32 , H02M5/458
摘要： PROBLEM TO BE SOLVED: To perform condensorless inverter control by making the capacity of a capacitor remarkably small even in case that thunder surge is superposed. SOLUTION: A multiphase current supply circuit is equipped with a diode bridge 2, an intervening circuit 3a, an inverter 4, a control circuit 6, and a lightning arrestor 7. A power system 1 of single-phase AC is connected via the lightning arrestor 7 to the diode bridge 2, and single-phase AC voltage V in is full-wave rectified. The intervening circuit 3 has a capacitor 31 and an inductor 32, and it is constituted of a choke-input type low-pass filter. To be concrete, one end of the inductor 32 and one end of the capacitor 31 are connected with each other, and it receives the output of the diode bridge 2, between the other end of the inductor 32 and one end of the capacitor 31, and outputs rectified voltage v dc generated between both ends of the capacitor 31 to the inverter 4. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：即使在重叠雷电浪涌的情况下，也可以使电容器的容量显着小，来进行无电抗器控制。解决方案：多相电流供应电路配备有二极管电桥2，中间电路3a，反相器4，控制电路6和避雷器7.单相AC的电力系统1经由二极管桥2的避雷器7和中的单相交流电压V 被全波整流。中间电路3具有电容器31和电感器32，由扼流输入型低通滤波器构成。具体而言，电感器32的一端和电容器31的一端彼此连接，并且在电感器32的另一端和电容器31的一端之间接收二极管电桥2的输出，并且将在电容器31的两端之间产生的整流电压v DC 输出到逆变器4.版权所有：（C）2006，JPO＆NCIPI

6. 发明专利

JP2013085001A Semiconductor circuit 有权
标题翻译：半导体电路
公开(公告)号：JP2013085001A
公开(公告)日：2013-05-09
申请号：JP2013024006
申请日：2013-02-12
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： HIBINO HIROSHI , SEKIMOTO MORIMITSU
IPC分类号： H01L25/04 , H01L25/18
CPC分类号： H01L2224/48091 , H01L2924/13091 , H01L2924/00014 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To facilitate heat radiation of a semiconductor device and make heat transmission from the semiconductor device to a peripheral component difficult in a semiconductor circuit composed of the semiconductor device and the peripheral component having the allowable temperature lower than the operation temperature of the semiconductor device.SOLUTION: In a semiconductor circuit, a semiconductor device (110) is connected with a peripheral component (120), having the allowable temperature lower than the operation temperature of the semiconductor device (110), through a wiring path. In a space between a region to which the semiconductor device (110) connects and a region on which a peripheral component (120) is mounted, a heat transmission adjustment part (150), made of an electric insulation material having heat conductivity different from those of the above-mentioned regions, is provided. Further, a cooling mechanism (210) is provided on a surface or a rear surface of a region which has relatively large heat conductivity from among a high heat temperature part (131), a low heat temperature part (132), and the heat transmission adjustment part (150) of a substrate.
摘要翻译：要解决的问题：为了促进半导体器件的散热，并且在由具有低于操作的容许温度的半导体器件和周边部件组成的半导体电路中难以从半导体器件到外围部件的热传输半导体器件的温度。解决方案：在半导体电路中，半导体器件（110）通过布线路径与允许温度低于半导体器件（110）的工作温度的周边部件（120）连接。在与半导体器件（110）连接的区域与安装有周边部件（120）的区域之间的空间中，具有不同于导热系数的导电性的电绝缘材料制成的传热调节部（150）的上述区域。此外，在高温部（131），低热温部（132）和热传递部（132）之间，在导热性比较大的区域的表面或背面设置有冷却机构（210）调整部件（150）。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2013013325A Power conversion apparatus 审中-公开
标题翻译：功率转换装置
公开(公告)号：JP2013013325A
公开(公告)日：2013-01-17
申请号：JP2012231572
申请日：2012-10-19
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： HIBINO HIROSHI , SEKIMOTO MORIMITSU
IPC分类号： H02M7/48
摘要： PROBLEM TO BE SOLVED: To closely arrange a capacitor, a drive circuit and a switching element.SOLUTION: A power conversion apparatus comprises: a switching element (140) configured to be capable of high-temperature operation; a drive circuit (160) for driving the switching element (140); and a capacitor (170) for supplying power to the drive circuit (160). The power conversion apparatus performs power conversion from AC power supplied from an AC power supply or DC power supplied from a DC power supply into the AC power or the DC power of predetermined voltage and a predetermined frequency. In the power conversion apparatus, the capacitor (170) is configured to be capable of high-temperature operation.
摘要翻译：要解决的问题：紧密配置电容器，驱动电路和开关元件。解决方案：一种电力转换装置，包括：开关元件（140），被配置为能够进行高温操作; 驱动电路（160），用于驱动开关元件（140）; 以及用于向驱动电路（160）供电的电容器（170）。电力转换装置从从AC电源提供的AC电力或从DC电源提供的DC电力进行AC电力或预定电压和预定频率的DC电力的电力转换。在电力转换装置中，电容器170构成为能够进行高温运转。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2012210153A Electric power conversion apparatus 审中-公开
标题翻译：电力转换装置
公开(公告)号：JP2012210153A
公开(公告)日：2012-10-25
申请号：JP2012172784
申请日：2012-08-03
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： HIBINO HIROSHI , SEKIMOTO MORIMITSU
IPC分类号： H02M7/48
CPC分类号： H01L2224/48091 , H01L2224/48137 , H01L2224/48139 , H01L2924/00014
摘要： PROBLEM TO BE SOLVED: To arrange a snubber circuit closely to a switching element having operation temperature higher than that of a switching element of an Si semiconductor.SOLUTION: An electric power conversion apparatus comprises switching elements (130) configured to be capable of performing high-temperature operation, and converts AC power supplied from an AC power supply or DC power supplied from a DC power supply into AC power of predetermined voltage and a predetermined frequency. The power conversion apparatus comprises a snubber circuit (300) which has a capacitor (301) configured to be capable of performing the high-temperature operation and is configured to be capable of performing the high-temperature operation.
摘要翻译：要解决的问题：将缓冲电路与操作温度高于Si半导体的开关元件的开关元件紧密配置。解决方案：电力转换装置包括被配置为能够执行高温操作的开关元件（130），并且将从AC电源提供的AC电力或从DC电源提供的DC电力转换为AC 预定电压和预定频率。电力转换装置包括缓冲电路（300），该缓冲电路具有能够进行高温运转的电容器（301），并且能够进行高温运转。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2012151976A Power conversion device 有权
标题翻译：电源转换器件
公开(公告)号：JP2012151976A
公开(公告)日：2012-08-09
申请号：JP2011008027
申请日：2011-01-18
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： TOOYAMA EIJI , SEKIMOTO MORIMITSU , TANIGUCHI TOMOO , OGAWA TAKURO
IPC分类号： H02M7/48
摘要： PROBLEM TO BE SOLVED: To provide a power conversion device that handles noise.SOLUTION: The power conversion device (10) having a rectifying circuit (11), a DC link section (12) having a capacitor (14) and outputting a pulsating DC voltage, and an inverter circuit (13) includes: a detection circuit (20) for detecting an output voltage (Vdc) of the DC link section (12) or an output current (iin) of the rectifying circuit (11) per carrier of a switching signal; a prediction section (31) for predicting a detection value of the present carrier according to detection values of the preceding and earlier carriers used in a control section (30); and a decision section (32) for deciding the detection value of the present carrier to be used in the control section (30) according to the detection value predicted by the prediction section (31) and the detection value of the present carrier detected by the detection circuit (20).
摘要翻译：要解决的问题：提供一种处理噪声的电力转换装置。解决方案：具有整流电路（11）的电力转换装置（10），具有电容器（14）并输出脉动直流电压的直流链路部分（12）和逆变器电路（13）包括：检测电路（20），用于检测直流链路部分（12）的输出电压（Vdc）或整流电路（11）的每个载波的开关信号的输出电流（iin）; 用于根据在控制部分（30）中使用的先前和较早载波的检测值来预测当前载波的检测值的预测部分（31）。以及判定部（32），用于根据由预测部（31）预测的检测值和由该预测部（31）预测的当前载波的检测值，决定控制部（30）中要使用的当前载波的检测值检测电路（20）。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2012151974A Power conversion device 有权
标题翻译：电源转换器件
公开(公告)号：JP2012151974A
公开(公告)日：2012-08-09
申请号：JP2011007993
申请日：2011-01-18
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： TOOYAMA EIJI , SEKIMOTO MORIMITSU , TANIGUCHI TOMOO , OGAWA TAKURO
IPC分类号： H02M7/48
摘要： PROBLEM TO BE SOLVED: To provide a power conversion device that prevents a wrong stop due to wrong voltage detection.SOLUTION: The power conversion device (10) having a converter circuit (11), a DC link section (12) having a capacitor (14) connected in parallel with an output of the converter circuit (11) and outputting a pulsating DC voltage, and an inverter circuit (13) includes: a voltage detection section (21) for detecting a DC voltage (Vdc) of the DC link section (12) at least once per carrier of a switching signal; a determination section (41) for determining whether or not the DC voltage (Vdc) is an overvoltage according to a plurality of detection values; and a stop section (42) for stopping the inverter circuit (13) if the determination section (41) determines that the DC voltage (Vdc) is an overvoltage.
摘要翻译：要解决的问题：提供一种防止由于错误的电压检测而导致的错误停止的电力转换装置。解决方案：具有转换器电路（11）的电力转换装置（10），具有与转换器电路（11）的输出并联连接的电容器（14）的直流链路部分（12），并输出脉动直流电压和逆变器电路（13）包括：电压检测部（21），用于至少每次开关信号的载波检测直流链路部（12）的直流电压（Vdc）确定部分，用于根据多个检测值确定DC电压（Vdc）是否是过电压; 以及如果确定部分（41）确定DC电压（Vdc）是过电压，则用于停止逆变器电路（13）的停止部分（42）。版权所有（C）2012，JPO＆INPIT

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