专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2008106946A Refrigerating cycle apparatus 审中-公开
标题翻译：制冷循环装置
公开(公告)号：JP2008106946A
公开(公告)日：2008-05-08
申请号：JP2005035226
申请日：2005-02-10
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： MATSUI KEIZO
IPC分类号： F25B11/02 , F25B1/00
CPC分类号： F25B9/06 , F25B9/008 , F25B2309/061 , F25B2400/141 , F25B2600/17 , F25B2700/19 , F25B2700/2102 , F25B2700/21173
摘要： PROBLEM TO BE SOLVED: To achieve a refrigerating cycle apparatus, controlling a refrigerating cycle without an expensive pressure sensor, inexpensive, and having no possibility of leaking a refrigerant.
SOLUTION: In this refrigerating cycle apparatus, the refrigerating cycle is formed by a compressor 501, a radiator 502 and an expander 503 having a power generator 507 and an evaporator 504. The apparatus includes: a power generator current detecting means 509 for detecting a current of the power generator 507; an evaporation temperature detection means 510 for detecting the evaporation temperature of the evaporator 504; a pressure estimation means 511 for estimating the high pressure of the refrigerating cycle based on the current of the power generator and the evaporation temperature; and an expander control means 508 for controlling the revolution of the expander 503 through the power generator according to the estimated pressure value estimated by the pressure estimation means 511. Thereby, the refrigerating cycle is controlled without using a pressure sensor.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了实现制冷循环装置，在没有昂贵的压力传感器的情况下控制制冷循环，成本低廉，并且不可能泄漏制冷剂。解决方案：在该制冷循环装置中，制冷循环由压缩机501，散热器502和具有发电机507和蒸发器504的膨胀机503形成。该装置包括：发电机电流检测装置509，用于检测发电机507的电流; 用于检测蒸发器504的蒸发温度的蒸发温度检测装置510; 用于基于发电机的电流和蒸发温度来估计制冷循环的高压的压力估计装置511; 以及扩展器控制装置508，用于根据由压力估计装置511估计的估计压力值，通过发电机控制膨胀机503的转速。由此，在不使用压力传感器的情况下控制制冷循环。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2008072802A Power converter, and heat pump apparatus using the same 有权
标题翻译：功率转换器和使用其的热泵装置
公开(公告)号：JP2008072802A
公开(公告)日：2008-03-27
申请号：JP2006247710
申请日：2006-09-13
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： MATSUI KEIZO , MATSUYAMA TETSUYA
IPC分类号： H02M7/00 , F25B1/00 , H02P6/06 , H02P6/10
CPC分类号： Y02B30/745
摘要： PROBLEM TO BE SOLVED: To provide a power converter which can reduce a high-frequency sound, is small in current variation, reduced in torque ripple, and low in vibration noise, and to provide a heat pump apparatus. SOLUTION: A motor 205 installed at a compressor 201 is PWM-controlled by the power converter. This power converter can provide high efficiency and low noise with a torque ripple reduced by changing the pulse position and the pulse width of PWM with respect to a time by using a pulse position determination means 311 and a pulse width determination means 312. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够降低高频声音的电力变换器，电流变化小，转矩脉动降低，振动噪声低，并且提供热泵装置。解决方案：安装在压缩机201的电动机205由功率转换器PWM控制。通过使用脉冲位置确定装置311和脉冲宽度确定装置312，通过改变PWM的脉冲位置和脉冲宽度相对于时间，该功率转换器可以提供高效率和低噪声的转矩波动。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2005151742A Drive unit 审中-公开
标题翻译：驱动单元
公开(公告)号：JP2005151742A
公开(公告)日：2005-06-09
申请号：JP2003387826
申请日：2003-11-18
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： MATSUI KEIZO , TAGOME MASAKI , ASAI KATSUHIKO , HAYASHI TAKAYUKI , KOE HIDEAKI , HONJO HIRONORI
IPC分类号： G03B5/00 , H02N2/00
摘要： PROBLEM TO BE SOLVED: To achieve size reduction of an actuator that drives a lens, improves driving, and smoothes movement. SOLUTION: This drive unit comprises a movable bed plate 23 having a piezoelectric property; drive electrodes 24a to 24d that are arranged so as to excite elastic surface waves in two directions which are orthogonal to the movable bed plate; and pressure contactors 25c to 25d that are friction-coupled to the movable bed plate 23. When the elastic surface waves are generated on the movable bed plate 23 by applying frequencies to the drive electrodes, the movable bed plate 23 is subjected to plane-movement in the two directions by the pressure contactors 25c to 25d. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了实现驱动透镜的致动器的尺寸减小，改善驱动并平滑运动。解决方案：该驱动单元包括具有压电特性的可动床板23; 驱动电极24a〜24d，其被布置成在与可动床板正交的两个方向上激发弹性表面波; 以及与可移动床板23摩擦耦合的压力接触器25c至25d。当通过向驱动电极施加频率而在可移动床板23上产生弹性表面波时，可移动床板23经受平面移动在压力接触器25c至25d的两个方向上。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2004208491A Inverter apparatus 有权
公开(公告)号：JP2004208491A
公开(公告)日：2004-07-22
申请号：JP2003361709
申请日：2003-10-22
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： GOTO NAOMI , MATSUI KEIZO , YOSHIDA MAKOTO
IPC分类号： H02M7/5387 , H02P6/18
CPC分类号： H02P6/18
摘要： PROBLEM TO BE SOLVED: To provide a low-noise, low-vibration, compact, and light inverter apparatus. SOLUTION: A current sensor for detecting the supply current is also used for detecting the current in the stator winding to detect the position of the magnet rotor, thus achieving sinusoidal drive without using two current sensors for detecting the phase current, additionally, eliminating the need for phase shift circuits and comparison circuits in conventional 120-degree energization for reducing the number of components, and hence obtaining the low-noise, low-vibration, compact, and light inverter apparatus. COPYRIGHT: (C)2004,JPO&NCIPI

5. 发明专利

JP2003111480A ELECTRIC MOTOR DRIVING DEVICE 审中-公开
公开(公告)号：JP2003111480A
公开(公告)日：2003-04-11
申请号：JP2001302693
申请日：2001-09-28
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： MATSUI KEIZO , TAZAWA TORU
IPC分类号： H02P6/16 , H02P6/06 , H02P6/08 , H02P6/12 , H02P6/28
摘要： PROBLEM TO BE SOLVED: To drive an electric motor stably and highly reliably, even if the waveforms of an induced voltage of the motor are distorted. SOLUTION: This electric motor driving device is provided with: an induced voltage presuming part 13 that presumes the induced voltage from current and output voltage values of the motor; a rotor position and speed detecting part 14 that presumes the magnetic pole position of a rotor based on the induced voltage value presumed; and an induced voltage correcting part 12 that filters the induced voltage value by a specified process to stabilize the presumption. This structure enables the motor to be driven stably, no matter what kind of the waveforms the induced voltage of the motor has. Also, this device is provided with a driving abnormality detecting part 15 that judges a driving abnormality in accordance with the induced voltage value presumed. Thus, if a driving abnormality occurs, it is detected and an immediate abnormality removing process is executed to drive the motor highly reliably.

6. 发明专利

JP2003111422A POWER SOURCE UNIT 审中-公开
公开(公告)号：JP2003111422A
公开(公告)日：2003-04-11
申请号：JP2001300613
申请日：2001-09-28
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： FURUKAWA SATOSHI , BABA TOSHINARI , GOTO EIJI , NINOMIYA YUKIHISA , HARADA KAZUHIRO , MATSUI KEIZO , NOMA HIROBUMI , TANI YUJI , NISHINOMIYA MASAFUMI
IPC分类号： H02M7/12
摘要： PROBLEM TO BE SOLVED: To protect components of a power source unit from overcurrent when a two-way switch included in the components is broken down and short-circuited. SOLUTION: The power source unit is equipped with a full-wave rectifier bridge rectifier circuit 6 of an AC power source 1, a capacitor 10 connected between an AC input terminal 6b and a DC output terminal 6d via the two-way switch 9, a filter capacitor 7, a zerocrossing detecting means 12, a two-way switch driving signal forming means 13, a two-way switch driving means 14, an overcurrent detecting means 16 for detecting a current flowing in a connection path for connecting the two-way switch 14 with the bridge rectifier circuit 6, and an overcurrent protecting means 17 which makes an opening and closing switch 15 for opening and closing the connection path open when the detecting means 16 detects a current value of at least a prescribed value.

7. 发明专利

JP2003088157A MOTOR CONTROLLER 审中-公开
公开(公告)号：JP2003088157A
公开(公告)日：2003-03-20
申请号：JP2001271746
申请日：2001-09-07
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： KAWACHI MITSUO , MATSUSHIRO HIDEO , MATSUI KEIZO
IPC分类号： H02P6/08 , H02P6/06 , H02P6/15 , H02P6/182 , H02P21/18 , H02P21/24 , H02P23/28 , H02P25/08 , H02P27/06 , H02P5/05 , H02P5/41
摘要： PROBLEM TO BE SOLVED: To provide a motor controller which can realize a maximum efficiency operation or a maximum torque operation of a motor, whose optimum current application phase is dynamically changed by operation conditions such as a revolution, a load torque, etc., and which utilizes a reluctance torque at a low cost by searching the optimum current application phase with simultaneity regardless of the operation states. SOLUTION: A current application phase setting means 14 sets a current application phase so as to have a motor efficiency or a motor output torque maximum at every prescribed time according to an output signal of a control mode switching means 13, which switches a control mode between a maximum efficiency control mode and a maximum torque control mode according to a comparison result between a motor revolution and a motor revolution set value. A current application distributing means determines a timing when a current is applied to the motor according to the set current application phase and a rotor phase detected by a rotor phase detecting means.

8. 发明专利

JP2002095283A APPARATUS AND METHOD FOR DRIVING BRUSHLESS MOTOR 失效
公开(公告)号：JP2002095283A
公开(公告)日：2002-03-29
申请号：JP2001162544
申请日：2001-05-30
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： MATSUSHIRO HIDEO , MATSUI KEIZO , TAZAWA TORU , NARASAKI KAZUNARI
IPC分类号： H02P6/18 , H02P6/06 , H02P6/08 , H02P6/182
摘要： PROBLEM TO BE SOLVED: To realize a drive control of a brushless motor capable of correctly detecting a pole position of a rotor even when a time for appearing an induced voltage generated during a non-conducting period of a winding is shortened. SOLUTION: An apparatus for driving the brushless motor comprises a detecting means of a terminal voltage of a non-conducting phase, and a detecting means of a DC voltage applied to a bus-bar of an inverter. The method for driving the brushless motor comprises the steps of judging a circulating current period of the inverter from the terminal voltage and the DC voltage, quoting the terminal voltage after the circulating current period of the inverter is finished and a previously leading terminal voltage waveform from the characteristics of the motor, establishing a pole position of the rotor, and driving the motor. Thus, the motor of good quality can be driven from a low speed rotation range to a high speed rotation range.

9. 发明专利

JP2001324202A AIR CONDITIONER 失效
公开(公告)号：JP2001324202A
公开(公告)日：2001-11-22
申请号：JP2000141048
申请日：2000-05-15
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： MATSUI KEIZO
IPC分类号： F24F11/02
摘要： PROBLEM TO BE SOLVED: To provide an air conditioner in which an optimum air conditioning setting can be planned, the air conditioning setting is presented to a person in a room, an air conditioning command is determined in accordance with a response thereto and an operation optimized by the intention of the person in the room is realized. SOLUTION: The air conditioner comprises an air conditioning means 3, an air conditioning control means 4 for controlling the air conditioning means 3, a sound input means 5 for detecting the sound emitted by the person 2 in the room, a sound anaylizing means 6 for analysing the meaning of the detected sound a sound output means 7 for outputting the sound to the room, a sound synthesizing means 8 for forming the outputted sound, a conversation control means 9 for controlling a conversation with the person 2 in the room and an air conditioning setting planning means 10 having a function for planning the air conditioning setting in the room. The air conditioning planning means 10 plans the optimum air conditioning setting, presents the air conditioning setting to the person 2 in the room through the conversation control means 9 and controls the air conditioner to meet the intention of the person 2 in the room who responds to the presented air conditioning setting plan.

10. 发明专利

JPH1127952A INVERTER DEVICE 失效
公开(公告)号：JPH1127952A
公开(公告)日：1999-01-29
申请号：JP17935797
申请日：1997-07-04
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： MATSUI KEIZO , MIURA KENICHIRO , TOKOROYA YOSHIHIRO
IPC分类号： H02M7/48 , H02M7/5387 , H02P27/06
摘要： PROBLEM TO BE SOLVED: To provide an inverter device with less switching loss and less leakage current with an inexpensive drive circuit. SOLUTION: More than one among gate drive circuits 7 contains a capacitor connected with a power circuit 8 for gate drive, and drives a switching element 3 by utilizing voltage charged from the power circuit 8 for gate drive. When the frequency of an alternating current output is not less than a specified frequency, an inverter controller 6 outputs a pulse width modulation signal at all the phase points in one cycle of output voltage, in order that any one of outputs in three phases be kept fixed alternately at the negative potential of direct-current power supply or at the positive potential of the direct-current power supply and further in the other two phases the voltage between phases from the one phase is output. When the frequency of the alternating current is not more than the specified frequency, the inverter controller 6 outputs a pulse width modulation signal in order that any one phase is fixed at the negative potential of the direct-current power supply, and furthermore in the other two phases the voltage between phases from the one phase is output.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式