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1. 发明专利

JP2013240274A Ac-dc conversion device, motor drive device, compressor drive device, air conditioner and heat pump water heater 有权
标题翻译： AC-DC转换装置，电机驱动装置，压缩机驱动装置，空调和热泵水加热器
公开(公告)号：JP2013240274A
公开(公告)日：2013-11-28
申请号：JP2013144791
申请日：2013-07-10
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SASAMOTO YOSUKE , TAKAHARA HIDEKI , HANDA MASATO , TANIGAWA MAKOTO , KAJIMA MITSUO
IPC分类号： H02M7/12 , F25B49/02 , H02P27/06
CPC分类号： Y02B70/126
摘要： PROBLEM TO BE SOLVED: To improve a power factor by inexpensively suppressing a harmonic current, and miniaturize a reactor.SOLUTION: An AC-DC conversion device includes: a rectifier 2 connected to an AC power supply via a reactor 5; a plurality of capacitors 6, 7 connected in series between output terminals of the rectifier 2; and switching means connected to the rectifier 2. In a half period of the AC power supply, the switching means is drivingly controlled such that the rectifier 2 controls four rectification states consisting of a full wave rectification state, a first doubling rectification state, a second doubling rectification state and a power short circuit state, as a virtual power supply, to cause a potential difference between the virtual power supply and the AC power supply to produce a current in a substantially sinusoidal wave.
摘要翻译：要解决的问题：通过廉价地抑制谐波电流并使反应器小型化来提高功率因数。解决方案：AC-DC转换装置包括：通过反应器5连接到AC电源的整流器2; 在整流器2的输出端子之间串联连接的多个电容器6,7; 以及连接到整流器2的开关装置。在交流电源的半个周期中，开关装置被驱动地控制，使得整流器2控制四个整流状态，包括全波整流状态，第一倍增整流状态，第二倍整流状态作为虚拟电源的双倍整流状态和功率短路状态，以使虚拟电源和AC电源之间的电位差产生大致正弦波中的电流。

2. 发明专利

JP2011234428A Three-phase voltage-type pwm inverter controller 有权
标题翻译：三相电压型PWM逆变器控制器
公开(公告)号：JP2011234428A
公开(公告)日：2011-11-17
申请号：JP2010099751
申请日：2010-04-23
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KAJIMA MITSUO , KAWASAKI ISAO , UMEHARA SHIGEO
IPC分类号： H02M7/48 , F25B49/02
摘要： PROBLEM TO BE SOLVED: To solve a problem of a conventional three-phase voltage-type PWM inverter controller that phase current information for two phases may not be detected from a direct-current bus current during a one PWM period if the controller performs control under a condition that a modulation rate of an output voltage vector Vs is higher than 1 since the controller is supposed to perform control under a condition that the modulation rate of the output voltage vector Vs is 1 or lower.SOLUTION: There is provided an inverter control unit including: output voltage vector calculation means for calculating an output voltage vector Vs based on a direct-current bus current, a direct-current bus voltage and an angle speed instruction value supplied from outside; and output time management means for generating an output voltage vector Vs' and an output voltage vector Vs'' based on the output voltage vector Vs and managing an output time per half of a PWM period of each of two basic vectors that are adjacent to the output voltage vector Vs' and are not zero such that each output time becomes a prescribed time TMIN or longer.
摘要翻译：要解决的问题：为了解决传统的三相电压型PWM逆变器控制器的问题，即如果控制器中的控制器在一个PWM周期期间不能从直流总线电流检测到两相的相电流信息由于控制器在输出电压矢量Vs的调制率为1以下的条件下进行控制，所以在输出电压矢量Vs的调制率高于1的条件下进行控制。解决方案：提供了一种逆变器控制单元，包括：输出电压矢量计算装置，用于基于直流母线电流，直流总线电压和从外部提供的角速度指令值计算输出电压矢量Vs ; 以及输出时间管理装置，用于基于输出电压矢量Vs产生输出电压矢量Vs'和输出电压矢量Vs“，并且管理与相邻的两个基本向量中的每一个的PWM周期的每半个周期的输出时间输出电压矢量Vs'，并且不为零，使得每个输出时间变为规定时间TMIN或更长。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2010068642A Ac-dc converter, compressor driving apparatus, and air conditioner 有权
标题翻译： AC-DC转换器，压缩机驱动装置和空调
公开(公告)号：JP2010068642A
公开(公告)日：2010-03-25
申请号：JP2008233280
申请日：2008-09-11
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KAJIMA MITSUO
IPC分类号： H02M7/12 , F24F11/02 , H02H7/00
CPC分类号： H02M7/217 , G01R31/025
摘要： PROBLEM TO BE SOLVED: To provide an AC-DC converter for detecting failure of a bidirectional switch. SOLUTION: The AC-DC converter includes resistors 6 and 7 connected in series between output terminals of a rectifier 3, capacitors 9 and 10 connected in series between output terminals of the rectifier 3, a bidirectional switch 4 whose one end is connected to one input terminal of the rectifier 3, a bidirectional switch 5 whose one end is connected to the other input terminal of the rectifier 3, a bidirectional switch 8 whose one end is connected to a connection point of the resistors 6 and 7 while the other end is connected to a connection point of the capacitors 9 and 10, a voltage detecting means for detecting at least two of a voltage of the resistor 6, a voltage of the resistor 7, and a voltage between the output terminals of the resistor 3, and an abnormality detecting means 20 for detecting failure of the bidirectional switch. The other ends of the bidirectional switch 4 and the bidirectional switch 5 are connected to the connection point of the resistors 6 and 7, and the abnormality detecting means 20 detects failure based on the detecting result of the voltage detecting means. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供用于检测双向开关的故障的AC-DC转换器。解决方案：AC-DC转换器包括串联连接在整流器3的输出端子，电容器9和10之间串联连接在整流器3的输出端子之间的电阻器6和7，一端连接的双向开关4 整流器3的一个输入端子，一端连接到整流器3的另一个输入端的双向开关5，一端连接到电阻器6和7的连接点的双向开关8，而另一端连接到电阻器6和7的连接点端部连接到电容器9和10的连接点，用于检测电阻器6的电压，电阻器7的电压和电阻器3的输出端子之间的电压中的至少两个的电压检测装置，以及用于检测双向开关的故障的异常检测装置20。双向开关4和双向开关5的另一端连接到电阻器6和7的连接点，异常检测装置20基于电压检测装置的检测结果来检测故障。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2013115410A Electric power conversion apparatus and air conditioner including the same 有权
标题翻译：电力转换装置和空调机，包括它们
公开(公告)号：JP2013115410A
公开(公告)日：2013-06-10
申请号：JP2011263483
申请日：2011-12-01
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： UMEHARA SHIGEO , KAJIMA MITSUO , TANIFUJI HITOSHI
IPC分类号： H01L23/40 , H01L25/07 , H01L25/18 , H02M7/48 , H05K7/20
CPC分类号： H01L2924/0002 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To provide an electric power conversion apparatus which increases the flexibility of the design of board and heat radiation means and is easily downsized, and to provide an air conditioner including the electric power conversion apparatus.SOLUTION: An electric power conversion apparatus includes: first power modules 7, 10; a second power module 8 which has higher heat resistance than the first power modules 7, 10; a substrate where the first power modules 7, 10 and the second power module 8 are mounted; heat radiation means 15 radiating heat generated from the first power modules 7,10 and the second power module 8; and fixing means 20 closely fixing the first power modules 7, 10 to the heat radiation means 15. The fixing means 20 closely fixes heat radiation surfaces of the first power modules 7, 10 to the heat radiation means 15, thereby causing a heat radiation surface of the second power module to closely contact with the heat radiation means 15.
摘要翻译：解决的问题：提供一种电力转换装置，其增加了电路板和散热装置的设计的灵活性并且容易地小型化，并且提供了一种包括电力转换装置的空调。电力转换装置包括：第一电力模块7,10; 具有比第一功率模块7,10的耐热性高的第二功率模块8; 其中安装有第一电源模块7,10和第二电源模块8的基板; 散热装置15辐射从第一电力模块7,10和第二电力模块8产生的热量; 以及固定装置20将第一功率模块7,10紧密地固定到散热装置15.固定装置20将第一功率模块7,10的热辐射表面紧密地固定到散热装置15，从而使散热表面第二功率模块与散热装置15紧密接触。版权所有：（C）2013，JPO＆INPIT

5. 发明专利

JP2011115007A Ac-dc conversion apparatus, motor drive device having the same, and air conditioner, refrigerator, heat pump water heater, washing machine, and vacuum cleaner that are equipped with the motor drive device 有权
标题翻译： AC-DC转换装置，具有该电动机驱动装置的电动驱动装置，以及空气调节器，制冷器，热泵水加热器，洗衣机和真空清洁器，其配备有电动驱动装置
公开(公告)号：JP2011115007A
公开(公告)日：2011-06-09
申请号：JP2009271558
申请日：2009-11-30
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： UMEHARA SHIGEO , KAJIMA MITSUO
IPC分类号： H02M7/12 , H02P29/00
摘要： PROBLEM TO BE SOLVED: To provide an AC-DC conversion apparatus capable of opening and closing a switch means at a preset instruction voltage phase of an AC power supply even if a clock frequency of a microcomputer shifts, to provide a motor drive device having the AC-DC conversion apparatus, and to provide an air conditioner, refrigerator, heat pump water heater, washing machine, and vacuum cleaner, which are equipped with the motor drive device. SOLUTION: When a time measuring means 11 detects a falling edge of a power supply zero-cross signal, the time measuring means 11 stores an inter-edge time period measured before the point of edge detection in a memory means 12. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：即使微计算机的时钟频率发生变化，也可以提供能够在交流电源的预设指令电压相位下打开和关闭开关装置的AC-DC转换装置，以提供电机驱动具有AC-DC转换装置的装置，并且提供配备有电动机驱动装置的空调，冰箱，热泵热水器，洗衣机和真空吸尘器。解决方案：当时间测量装置11检测到电源过零信号的下降沿时，时间测量装置11将在边缘检测点之前测量的边缘间时间存储在存储装置12中。 P>版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2008148546A Controller for synchronous machine, and method of controlling the synchronous machine 有权
标题翻译：同步机控制器及同步机控制方法
公开(公告)号：JP2008148546A
公开(公告)日：2008-06-26
申请号：JP2007287224
申请日：2007-11-05
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KANEHARA YOSHIHIKO , KAJIMA MITSUO
IPC分类号： H02P1/46 , H02P27/06
摘要： PROBLEM TO BE SOLVED: To provide a controller for a synchronous machine and a method of controlling synchronous machine, which has a resistance with respect to detection noise at detection of current, without having to use a voltage detecting means or shorting the windings of the synchronous machine, and is capable of actuating without position sensors, even if the synchronous machine is in idle state. SOLUTION: A voltage command calculation means 6 outputs such a voltage command that at least one phase of a synchronous machine 1 is shorted, at least once during the period from the actuation time up to a first time so that the maximum amplitude value of the current of the synchronous machine 1, which is detected by a current detecting means 3, is stored in a current amplitude storing means 4; a cut-off signal generating means 5 turns the cut-off signal on, during the interval from a first period, until a second period; the voltage command calculating means 6 outputs such a voltage command applied to the synchronous machine 1 that the current of the synchronous machine 1 obtained from the current detecting means 3 becomes zero and that controls a power conversion means 2 that would make the synchronous machine 1 actuate, when the maximum amplitude value of the current, saved in the current amplitude storing means 4, is smaller than a prescribed value, in an interval from the second period until a third period. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于同步电机的控制器和一种控制同步电机的方法，其在检测电流时具有相对于检测噪声的电阻，而不必使用电压检测装置或使绕组短路的同步电机，即使同步电机处于空闲状态，也能够无位置传感器启动。解决方案：电压指令计算装置6在从致动时间到第一次的时间段期间输出至少一次同步电机1的至少一相的电压命令至少一次，使得最大振幅值由电流检测装置3检测的同步电机1的电流被存储在电流振幅存储装置4中; 截止信号发生装置5在从第一时段到第二周期的间隔期间接通截止信号; 电压指令计算装置6输出施加到同步电机1的电压指令，使得从电流检测装置3获得的同步电机1的电流为零，并且控制使同步电机1致动的电力转换装置2 当从当前振幅存储装置4中保存的电流的最大振幅值小于规定值时，在从第二周期到第三周期的间隔中。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2004266978A Protector for control circuit 审中-公开
公开(公告)号：JP2004266978A
公开(公告)日：2004-09-24
申请号：JP2003057348
申请日：2003-03-04
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ITOI YUICHI , HANDA MASATO , YAMADA YUKIFUMI , YAJIMA SADAO , KAWASAKI ISAO , KAJIMA MITSUO
IPC分类号： H02H3/08 , H02H9/04 , H02J3/00 , H02M7/48
摘要： PROBLEM TO BE SOLVED: To obtain a space-saving, economical, and reliably protector for control circuit which is simply constituted and operates with reliability even if the voltage is high at power-on. SOLUTION: The protector comprises: an inrush current limiting relay which is connected with a commercial power supply and is turned off at power-on; a control circuit which is connected with the commercial power supply through the limiting relay, operates according to the load, and comprises a converter circuit, a smoothing capacitor, an inverter circuit, and the like; an inrush current limiting resistance element which is connected in parallel with any power supply line between the control circuit and the commercial power supply, and limits inrush currents; a fuse which is connected in series with the limiting resistance element, and interrupts currents exceeding a predetermined value; and a voltage-dependent resistor which is connected between the load side of the fuse and the other side of the power supply line, and varies the resistance value according to the voltage of the commercial power supply. COPYRIGHT: (C)2004,JPO&NCIPI

8. 发明专利

JP2004101106A Control circuit for air conditioner and control method for air conditioner 审中-公开
公开(公告)号：JP2004101106A
公开(公告)日：2004-04-02
申请号：JP2002265348
申请日：2002-09-11
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： HANDA MASATO , KAWASAKI ISAO , YAJIMA SADAO , KAJIMA MITSUO , ITOI YUICHI
IPC分类号： F24F11/02
摘要： PROBLEM TO BE SOLVED: To provide a control circuit for an air conditioner operable without being influenced by intrusion of noise from a valve mechanism provided on a cooling medium circuit, with enhanced reliability of a system.
SOLUTION: The control circuit for the air conditioner is provided with a control circuit part for controlling the whole air conditioner; a valve driving circuit for controlling the valve mechanism of a refrigerating cycle; and an insulation circuit provided between the control circuit part and the valve driving circuit and transmitting signals in an electrically insulated state, in the air conditioner provided with the refrigerating cycle having the valve mechanism for controlling a circulation flow rate and a circulation direction of the cooling medium. The control circuit part and the valve driving circuit are driven by a power source electrically insulated respectively.
COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2012070580A Power conversion device and refrigeration air conditioner 有权
标题翻译：电力转换装置和制冷空调器
公开(公告)号：JP2012070580A
公开(公告)日：2012-04-05
申请号：JP2010214867
申请日：2010-09-27
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ARISAWA KOICHI , SHIMOMUGI TAKUYA , SASAMOTO YOSUKE , HANDA MASATO , KAJIMA MITSUO , UMEHARA SHIGEO , SAITO KATSUHIKO , ITO NORIKAZU , TANIFUJI HITOSHI , TANIGAWA MAKOTO , HIGASHIKAWA TOMOMI
IPC分类号： H02M3/155
CPC分类号： H02M3/155 , H02M1/4225 , H02M1/44 , H02M3/158 , H02M2001/342 , Y02B70/126 , Y02B70/1491
摘要： PROBLEM TO BE SOLVED: To provide a power conversion device for securing high efficiency and high reliability.SOLUTION: The power conversion device includes: boosting means 2 changing voltage applied by a power supply 1 into prescribed voltage; commutation means 4 for performing a commutation operation for making current flowing in the boosting means 2 flow to a different route; smoothing means 3 supplying power obtained by smoothing voltage related to output of the boosting means 2 and the commutation means 4 to a load 9-side; and control means 6 controlling related to voltage change such as boosting of the boosting means 2 and the commutation operation of the commutation means 4 based on at least voltage or current related to the boosting means 2.
摘要翻译：要解决的问题：提供一种用于确保高效率和高可靠性的电力转换装置。电源转换装置包括：升压装置2，将由电源1施加的电压改变成规定的电压; 用于执行用于使升压装置2中的电流流动到不同路线的换向操作的换向装置4; 平滑装置3将通过将与升压装置2和换向装置4的输出相关的电压平滑化为负载9侧而获得的功率; 以及至少基于与升压装置2相关的电压或电流来控制与电压变化相关的控制装置6，例如升压装置2的升压和换向装置4的换向操作。（C）2012年， JPO＆INPIT

10. 发明专利

JP2011250694A Ac-dc converter and control method thereof and heat pump hot water supply apparatus and air conditioner 有权
标题翻译： AC-DC转换器及其控制方法和热泵热水设备和空调
公开(公告)号：JP2011250694A
公开(公告)日：2011-12-08
申请号：JP2011191266
申请日：2011-09-02
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SHINOMOTO YOSUKE , TAKAHARA HIDEKI , KAJIMA MITSUO
IPC分类号： H02M7/12 , F24H1/00
摘要： PROBLEM TO BE SOLVED: To obtain an AC-DC converter having a compact reactor as compared with that in power supply short circuit system, suppresses harmonic currents inexpensively as compared with high frequency PWM and improves power factor, and to obtain a control method of AC-DC converter, a heat pump hot water supply apparatus, and an air conditioner.SOLUTION: The AC-DC converter comprises a first rectifier 2 and a second rectifier 14 connected with an AC power supply 1 via a reactor 5, two capacitors 6 and 7 connected in series between the output terminals of the first rectifier 2, a first switch 3a and a second switch 4a connected in series between the output terminals of the second rectifier 14, and a control means 20 which performs PWM control of a switch group consisting of the first switch 3a and second switch 4a so that the voltage between the output terminals of the first rectifier 2 has a predetermined value by connecting the joint between the capacitors 6 and 7 with the joint between the first switch 3a and second switch 4a.
摘要翻译：要解决的问题为了获得与电源短路系统相比具有紧凑型电抗器的AC-DC转换器，与高频PWM相比可以廉价地抑制谐波电流并且提高功率因数，并获得控制 AC-DC转换器的方法，热泵热水供给装置和空调装置。解决方案：AC-DC转换器包括经由电抗器5与AC电源1连接的第一整流器2和第二整流器14，串联连接在第一整流器2的输出端子之间的两个电容器6和7，串联连接在第二整流器14的输出端之间的第一开关3a和第二开关4a以及对由第一开关3a和第二开关4a组成的开关组进行PWM控制的控制装置20，第一整流器2的输出端子通过将电容器6和7之间的接头连接到第一开关3a和第二开关4a之间的接头而具有预定值。版权所有（C）2012，JPO＆INPIT

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