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1. 发明专利

JP2005172249A Air conditioner and starting method of dc brushless motor 审中-公开
标题翻译：直流无刷电机的空调和启动方法
公开(公告)号：JP2005172249A
公开(公告)日：2005-06-30
申请号：JP2003408401
申请日：2003-12-08
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： OTAKE HIROYUKI , KIMURA KOICHI , KONDO SEIJI , ITO YASUMI , KADOFUJI KIYOTAKA , KANIE TETSUO , FUJISAKI TADASHI
IPC分类号： F24F11/02 , F25B1/00
摘要： PROBLEM TO BE SOLVED: To provide an air conditioner, surely and quickly starting a DC brushless motor for driving a compressor and a starting method of the DC brushless motor. SOLUTION: In this air conditioner 1 having the compressor 4 driven by the DC brushless motor 7, a refrigerant passage 2 is provided with a bypass pipeline 11 connecting the inlet side of the compressor and the outlet side of the compressor, and a pressure measuring device 13 for measuring the refrigerant pressure on the inlet side of the compressor, and an equalizer valve 12 is provided in the bypass pipeline 11. The air conditioner is provided with a control device 14 for controlling the operation of the DC brushless motor 7 and the operation of the equalizer valve 12. The control device 14 opens the equalizer valve 12 prior to starting of the DC brushless motor 7, closes the equalizer valve 12 at the point of time when the reference time elapses from the opening of the equalizer valve 12, and starts the DC brushless motor 7 on the starting condition suitable for the reference pressure, taking the measured value of the pressure measuring device 13 at the point of time when the reference time elapses as the reference pressure. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种空调机，确保并快速地启动用于驱动压缩机的DC无刷电动机和DC无刷电动机的启动方法。解决方案：在具有由直流无刷电动机7驱动的压缩机4的空调机1中，制冷剂通路2设置有连接压缩机的入口侧和压缩机的出口侧的旁通管路11，用于测量压缩机入口侧的制冷剂压力的压力测量装置13和平衡阀12设置在旁通管道11中。空调器设置有用于控制直流无刷电动机7的操作的控制装置14 以及均衡阀12的操作。控制装置14在直流无刷电动机7启动之前打开均衡阀12，在从均衡阀的开度经过基准时间的时刻关闭均衡阀12 如图12所示，在适用于基准压力的起动条件下启动直流无刷电动机7，在压力测量装置13的测量值经过时间作为参考压力。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2005210813A Brushless dc motor system and brushless dc motor drive method 审中-公开
标题翻译：无刷直流电机系统和无刷直流电动机驱动方法
公开(公告)号：JP2005210813A
公开(公告)日：2005-08-04
申请号：JP2004013622
申请日：2004-01-21
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： KANIE TETSUO , AIBA KENICHI , OTAKE HIROYUKI , ITO YASUMI , WATANABE TAKAMASA
IPC分类号： H02P6/06 , H02P21/00 , H02P27/04
摘要： PROBLEM TO BE SOLVED: To provide a technology for suitably driving a brushless DC motor in a wide range of a speed zone. SOLUTION: This brushless DC motor system includes the brushless DC motor 5, an inverter 3, current sensors 6u, 6v and 6w that detect armature currents of the brushless DC motor 5, and control device 8 that generates a PWM signal S PWM in response to the armature currents. The inverter 3 drives the brushless DC motor 5 in response to the PWM signal S PWM . The control device 8 selects one of control method groups including sensorless vector control and V/f control as a selection control method is response to a speed command ω * . The control device 8 selects the sensorless vector control as the selection control method when the speed command ω * is in a first speed region ω s2 -ω s3 . COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于在宽范围的速度区中适当地驱动无刷直流电动机的技术。解决方案：该无刷直流电动机系统包括无刷直流电动机5，逆变器3，检测无刷直流电动机5的电枢电流的电流传感器6u，6v和6w，以及产生PWM信号S < SB> PWM 。逆变器3响应于PWM信号S PWM 驱动无刷直流电动机5。控制装置8选择包括无传感器矢量控制和V / f控制的控制方法组之一作为对速度指令ω * 的选择控制方法。控制装置8在速度指令ω * 处于第一速度区域ω ~~S 2时，选择无传感器矢量控制作为选择控制方法， SB>。版权所有（C）2005，JPO＆NCIPI~~

3. 发明专利

JP2006020402A Inverter, power supply and compressor 审中-公开
标题翻译：逆变器，电源和压缩机
公开(公告)号：JP2006020402A
公开(公告)日：2006-01-19
申请号：JP2004194642
申请日：2004-06-30
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： OTAKE HIROYUKI , YOSHIDA JUNICHI , KIMURA KOICHI , ITO YASUMI , KADOFUJI KIYOTAKA , SHIMIZU KENJI
IPC分类号： H02M3/28 , H02M7/12 , H02M7/48
摘要： PROBLEM TO BE SOLVED: To provide an inverter, a power supply and a compressor for maintaining a voltage difference between an input voltage and an output voltage of an active filter within a constant range, reducing a power loss due to elements for constituting the active filter, and efficiently supplying power. SOLUTION: The inverter is provided with a rectification circuit 2 for rectifying an AC voltage, the active filter 3 for inputting an output from the rectification circuit 2, and a control circuit 5 for controlling the active filter 3 so as to set the output voltage from the active filter within a predetermined voltage range determined based on the input voltage of the active filter 3. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种用于将有源滤波器的输入电压和输出电压之间的电压差保持在一定范围内的逆变器，电源和压缩器，从而减少由于用于构成的元件的功率损耗有源滤波器，并有效地供电。
解决方案：逆变器设有整流电路2，用于整流交流电压，有源滤波器3用于输入整流电路2的输出;控制电路5，用于控制有源滤波器3，来自有源滤波器的输出电压在基于有源滤波器3的输入电压确定的预定电压范围内。（C）2006，JPO和NCIPI

4. 发明专利

JP2005210830A Method and program for detecting abnormality of motor driving apparatus 审中-公开
标题翻译：用于检测电机驱动装置异常的方法和程序
公开(公告)号：JP2005210830A
公开(公告)日：2005-08-04
申请号：JP2004014522
申请日：2004-01-22
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： KADOFUJI KIYOTAKA , AIBA KENICHI , KIMURA KOICHI , OTAKE HIROYUKI , ITO YASUMI
IPC分类号： H02M7/537 , H02M7/48 , H02P6/12
摘要： PROBLEM TO BE SOLVED: To provide an abnormality detecting method and an abnormality detecting program for detecting discrimination between failures of an inverter and a motor, and efficiently detecting the short failure and the open failure of the inverter in a motor driving apparatus with the inverter. SOLUTION: The abnormality detecting program is implemented by an operation processor 51. The program includes (a) a step for sequentially switching a plurality of negative arm elements 40d, 40e and 40f; (b) a step for sequentially switching a plurality of positive arm elements 40a, 40b and 40c after the switching step (a); (c) a step for determining conductive states of a plurality of wires 41, 42 and 43 based on a current signal S1 at each time when the plurality of negative arm elements 40d, 40e, 40f and the plurality of positive arm elements 40a, 40b and 40c are switched respectively; and (d) a step for outputting first error signals ERR1, ERR4 for indicating the short failure if currents Iu, Iv and Iw flow in one of the plurality of wires 41, 42 and 43. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供用于检测逆变器和电动机的故障之间的区别的异常检测方法和异常检测程序，并且有效地检测电动机驱动装置中的逆变器的短路故障和开路故障，逆变器。解决方案：异常检测程序由操作处理器51实现。程序包括（a）顺序地切换多个负臂元件40d，40e和40f的步骤; （b）在切换步骤（a）之后顺序地切换多个正臂元件40a，40b和40c的步骤; （c）基于当多个负臂元件40d，40e，40f和多个正臂元件40a，40b每次的电流信号S1来确定多根导线41,42和43的导电状态的步骤和40c分别切换; （d）用于输出用于指示短路故障的第一误差信号ERR1，ERR4的步骤，如果电流Iu，Iv和Iw在多条电线41,42和43中的一条中流动。（C）2005， JPO＆NCIPI

5. 发明专利

JP2004015902A Motor, control device and method thereof and electric equipment 有权
公开(公告)号：JP2004015902A
公开(公告)日：2004-01-15
申请号：JP2002164884
申请日：2002-06-05
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： KADOFUJI KIYOTAKA , OTAKE HIROYUKI , ITO YASUMI
IPC分类号： H02P29/00 , H02P5/00 , H02P6/06 , H02P6/18
摘要： PROBLEM TO BE SOLVED: To provide a control device for a motor which materializes reduction of a loss in the motor and improvement of efficiency of the motor. SOLUTION: The control device of the motor which controls the rotational speed of the motor 5 is provided with a first control unit 25 for controlling the pulse width B of a drive signal for driving the motor based on the rotational speed deviation 23i of the motor, a second control unit 26 for controlling the conduction width A based on the rotational speed deviation, and a switch 31 for switching either of the control of the pulse width by the first control unit or of the conduction width by the second control part. COPYRIGHT: (C)2004,JPO

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