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公开(公告)号:US07181923B2
公开(公告)日:2007-02-27
申请号:US10832297
申请日:2004-04-27
IPC分类号: F25D25/00
CPC分类号: H02M1/4225 , F25B49/025 , F25B2600/021 , F25B2700/151 , H02M7/003 , H02M2001/007 , Y02B30/741 , Y02B70/126
摘要: An inverter device for variably controlling an operating frequency of an electric motor, which drives a compressor in a refrigerating cycle. the inverter includes a box-like resin case, having a metal film for shielding being applied or plated on a surface thereof and having a step portion on which a terminal block for the motor is arranged. A first substrate having mounted thereon power semiconductor devices constituting a converter and an inverter so as to be immersed in gel, and the first substrate is mounted in the case and brought into proximity of radiation fins at a reverse surface thereof. A second substrate having mounted thereon interface connectors into which signals from detection sensors for temperatures and pressures in the refrigerating cycle are input and photo-couplers for transmitting the input signals, and the second substrate is mounted in the case above the first substrate.
摘要翻译: 一种逆变器装置,用于可变地控制在制冷循环中驱动压缩机的电动机的工作频率。 逆变器包括盒形树脂壳体,其具有用于屏蔽的金属膜被施加或镀在其表面上,并具有设置有用于电动机的端子块的台阶部分。 第一基板,其上安装有构成转换器的功率半导体器件和逆变器以便浸入凝胶中,并且第一基板安装在壳体中并且在其反面附近被接近散热片。 第二基板,其上安装有界面连接器,输入来自检测传感器的温度和制冷循环中的温度和压力的信号,以及用于传输输入信号的光耦合器,第二基板安装在第一基板上方的壳体中。
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公开(公告)号:US06735968B2
公开(公告)日:2004-05-18
申请号:US10396385
申请日:2003-03-26
IPC分类号: F25D2312
CPC分类号: H02M1/4225 , F25B49/025 , F25B2600/021 , F25B2700/151 , H02M7/003 , H02M2001/007 , Y02B30/741 , Y02B70/126
摘要: A refrigerating apparatus comprises: a first substrate, on one surface of which an active converter and an inverter are mounted, and on a reverse surface of which a radiation fin is closely fixed; a second substrate, on which a microcomputer, a current detecting mechanism, and a terminal block are mounted; a resin casing covering sides of the first and second substrates and provided with a step permitting the terminal block to be arranged thereon; and a third substrate, on which an interface connector and a photo-coupler are mounted. The first substrate, the second substrate, and the third substrate are layered in this order on a bottom surface of the casing. Gel is filled up to a power semiconductor surface of the first substrate, and a resin is filled up to an upper surface of the second substrate.
摘要翻译: 一种制冷装置,其特征在于,包括:第一基板,其一面上安装有源转换器和逆变器,在其背面上,辐射翅片紧密固定; 第二基板,其上安装微型计算机,电流检测机构和端子块; 覆盖所述第一基板和所述第二基板的侧面的树脂壳体,并且设置有允许所述端子块布置在其上的台阶; 以及安装有接口连接器和光电耦合器的第三基板。 第一基板,第二基板和第三基板依次层叠在壳体的底面上。 将凝胶填充到第一基板的功率半导体表面,并将树脂填充到第二基板的上表面。
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公开(公告)号:US20050204760A1
公开(公告)日:2005-09-22
申请号:US11001036
申请日:2004-12-02
申请人: Yoshiaki Kurita , Tatsuo Ando , Noriaki Yamada , Takashi Ooishi , Tsunehiro Endo , Takahiro Suzuki
发明人: Yoshiaki Kurita , Tatsuo Ando , Noriaki Yamada , Takashi Ooishi , Tsunehiro Endo , Takahiro Suzuki
CPC分类号: F25B49/025 , F25B2600/021 , H02M5/451 , H02P27/08 , Y02B30/741
摘要: A refrigerating apparatus having a refrigerating cycle that comprises a compressor, an electric motor that drives the compressor, and an inverter device that variably controls the operating frequency of the electric motor. The inverter device includes a converter circuit that converts an A.C. voltage from an A.C. power supply into a D.C. current, an inverter circuit comprising a D.C./A.C converter, and a shunt resistance that detects a D.C. current flowing through a switching element of the inverter circuit. The shunt resistance detects a D.C. current, and the detected D.C. current value is calculated as a sine wave A.C. current for the electric motor in relation to action of the switching element.
摘要翻译: 具有包括压缩机,驱动压缩机的电动机和可变地控制电动机的工作频率的逆变器装置的制冷循环的制冷装置。 逆变器装置包括:转换电路,其将来自交流电源的交流电压转换为直流电;逆变器电路,包括直流/交流转换器;以及分流电阻,其检测流过逆变器电路的开关元件的直流电流 。 分流电阻检测直流电流,并且检测到的直流电流值被计算为电动机相对于开关元件的作用的正弦波A.C.电流。
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公开(公告)号:US20090135630A1
公开(公告)日:2009-05-28
申请号:US12335867
申请日:2008-12-16
申请人: Takahiro Suzuki , Yoshitaka Iwaji , Tsunehiro Endo , Yasuo Notohara , Yoshiaki Kurita , Tatsuo Ando , Chikara Tanaka
发明人: Takahiro Suzuki , Yoshitaka Iwaji , Tsunehiro Endo , Yasuo Notohara , Yoshiaki Kurita , Tatsuo Ando , Chikara Tanaka
IPC分类号: H02M5/458
CPC分类号: H02M7/003 , H02M5/4585 , H02M2001/0012
摘要: A converter includes a converter circuit 1 having a plurality of bridge-connected semiconductor switching devices for converting AC power into DC power, a smoothing condenser connected in parallel to the DC side of the converter circuit and a current detector provided in a condenser circuit to control a condenser current flowing through the smoothing condenser to be a set value. The condenser current is controlled to be the set value (e.g. zero) to thereby reduce the capacity of the smoothing condenser and make the converter small.
摘要翻译: A转换器包括转换器电路1,其具有用于将AC电力转换为DC电力的多个桥接半导体开关器件,与转换器电路的DC侧并联连接的平滑电容器和设置在电容器电路中的电流检测器 流过平滑电容器的电容器电流为设定值。 冷凝器电流被控制为设定值(例如零),从而降低平滑电容器的容量并使转换器变小。
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公开(公告)号:US07471525B2
公开(公告)日:2008-12-30
申请号:US11213728
申请日:2005-08-30
申请人: Takahiro Suzuki , Yoshitaka Iwaji , Tsunehiro Endo , Yasuo Notohara , Yoshiaki Kurita , Tatsuo Ando , Chikara Tanaka
发明人: Takahiro Suzuki , Yoshitaka Iwaji , Tsunehiro Endo , Yasuo Notohara , Yoshiaki Kurita , Tatsuo Ando , Chikara Tanaka
CPC分类号: H02M7/003 , H02M5/4585 , H02M2001/0012
摘要: A converter includes a converter circuit 1 having a plurality of bridge-connected semiconductor switching devices for converting AC power into DC power, a smoothing condenser connected in parallel to the DC side of the converter circuit and a current detector provided in a condenser circuit to control a condenser current flowing through the smoothing condenser to be a set value. The condenser current is controlled to be the set value (e.g. zero) to thereby reduce the capacity of the smoothing condenser and make the converter small.
摘要翻译: A转换器包括转换器电路1,其具有用于将AC电力转换为DC电力的多个桥接半导体开关器件,与转换器电路的DC侧并联连接的平滑电容器和设置在电容器电路中的电流检测器 流过平滑电容器的电容器电流为设定值。 冷凝器电流被控制为设定值(例如零),从而降低平滑电容器的容量并使转换器变小。
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公开(公告)号:US20060044848A1
公开(公告)日:2006-03-02
申请号:US11213728
申请日:2005-08-30
申请人: Takahiro Suzuki , Yoshitaka Iwaji , Tsunehiro Endo , Yasuo Notohara , Yoshiaki Kurita , Tatsuo Ando , Chikara Tanaka
发明人: Takahiro Suzuki , Yoshitaka Iwaji , Tsunehiro Endo , Yasuo Notohara , Yoshiaki Kurita , Tatsuo Ando , Chikara Tanaka
IPC分类号: H02M5/45
CPC分类号: H02M7/003 , H02M5/4585 , H02M2001/0012
摘要: A converter includes a converter circuit 1 having a plurality of bridge-connected semiconductor switching devices for converting AC power into DC power, a smoothing condenser connected in parallel to the DC side of the converter circuit and a current detector provided in a condenser circuit to control a condenser current flowing through the smoothing condenser to be a set value. The condenser current is controlled to be the set value (e.g. zero) to thereby reduce the capacity of the smoothing condenser and make the converter small.
摘要翻译: A转换器包括转换器电路1,其具有用于将AC电力转换为DC电力的多个桥接半导体开关器件,与转换器电路的DC侧并联连接的平滑电容器和设置在电容器电路中的电流检测器 流过平滑电容器的电容器电流为设定值。 冷凝器电流被控制为设定值(例如零),从而降低平滑电容器的容量并使转换器变小。
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公开(公告)号:US07839663B2
公开(公告)日:2010-11-23
申请号:US12335867
申请日:2008-12-16
申请人: Takahiro Suzuki , Yoshitaka Iwaji , Tsunehiro Endo , Yasuo Notohara , Yoshiaki Kurita , Tatsuo Ando , Chikara Tanaka
发明人: Takahiro Suzuki , Yoshitaka Iwaji , Tsunehiro Endo , Yasuo Notohara , Yoshiaki Kurita , Tatsuo Ando , Chikara Tanaka
CPC分类号: H02M7/003 , H02M5/4585 , H02M2001/0012
摘要: A converter includes a converter circuit 1 having a plurality of bridge-connected semiconductor switching devices for converting AC power into DC power, a smoothing condenser connected in parallel to the DC side of the converter circuit and a current detector provided in a condenser circuit to control a condenser current flowing through the smoothing condenser to be a set value. The condenser current is controlled to be the set value (e.g. zero) to thereby reduce the capacity of the smoothing condenser and make the converter small.
摘要翻译: A转换器包括转换器电路1,其具有用于将AC电力转换为DC电力的多个桥接半导体开关器件,与转换器电路的DC侧并联连接的平滑电容器和设置在电容器电路中的电流检测器 流过平滑电容器的电容器电流为设定值。 冷凝器电流被控制为设定值(例如零),从而降低平滑电容器的容量并使转换器变小。
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公开(公告)号:US5104713A
公开(公告)日:1992-04-14
申请号:US492925
申请日:1990-03-13
申请人: Hisataka Hosoi , Hozumi Endo , Tatsuo Ando , Mamoru Shoji
发明人: Hisataka Hosoi , Hozumi Endo , Tatsuo Ando , Mamoru Shoji
IPC分类号: C04B35/622 , D04H1/42 , D04H1/44
CPC分类号: D04H1/42 , C04B35/62236 , D04H1/44 , Y10T29/49833 , Y10T428/24132 , Y10T428/249921 , Y10T428/31678 , Y10T442/622
摘要: An alumina fiber structure of a flat shape composed of alumina fibers having an alumina content of at least 65% by weight, the majority of said fibers being oriented substantially in parallel with the flat surfaces of the structure, and a number of fiber strands composed of the same alumina fibers extending inwardly from the flat surfaces of the structure, said structure having a thickness of from 4.8 mm to less than 10 mm, a density of from 0.07 to 0.3 g/cm.sup.3, a tensile strength of at least 0.5 kg/cm.sup.2 and a peeling strength of at least 0.5 kg/m.
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公开(公告)号:US5062897A
公开(公告)日:1991-11-05
申请号:US480768
申请日:1990-02-16
申请人: Haruo Katsumata , Hiromichi Sakai , Keisuke Takahashi , Hirofumi Ootaguro , Masashi Matsumoto , Moriyasu Nakamura , Tatsuo Ando
发明人: Haruo Katsumata , Hiromichi Sakai , Keisuke Takahashi , Hirofumi Ootaguro , Masashi Matsumoto , Moriyasu Nakamura , Tatsuo Ando
CPC分类号: C04B14/386 , C04B24/28 , C04B28/02 , C04B2111/76
摘要: A carbon fiber-reinforced hydraulic composite material having excellent mechanical strength, workability, and freezing-and-thawing resistance, wherein chopped carbon fibers having a monofilament tensile strength of from 140 kg/mm.sup.2 to 270 kg/mm.sup.2, and a monofilament diameter of from 15 .mu.m to 30 .mu.m are blended as the carbon fibers at a ratio of from 1% to 4% by volume with respect to the entire composite material to bring a flow index of the composite material before its hardening to 120 mm or above.
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公开(公告)号:US06657412B2
公开(公告)日:2003-12-02
申请号:US09941873
申请日:2001-08-30
申请人: Seiji Ishida , Keijiro Sakai , Toshiaki Okuyama , Hiroshi Fujii , Hiroyuki Tomita , Tatsuo Ando , Yuhachi Takakura , Hideo Kimura
发明人: Seiji Ishida , Keijiro Sakai , Toshiaki Okuyama , Hiroshi Fujii , Hiroyuki Tomita , Tatsuo Ando , Yuhachi Takakura , Hideo Kimura
IPC分类号: G05B1128
CPC分类号: H03K7/08 , H02M7/53871
摘要: In detecting an output current of a power converter based on a DC current Idc of the power converter, the pulse width of the DC current Idc becomes narrower when the pulse width of a line voltage is narrower, and its detection becomes difficult. A voltage command correction unit 9 according to the present invention corrects voltage commands such that pulse width of a line voltage becomes zero when the pulse width of the line voltage is less than the minimum pulse width, not to output a line pulse, and an error generated by the correction is integrated. This integrated error is added to the line voltage in the next time, and the integrated pulse width of the line voltage is outputted when the pulse width becomes larger than or equal to the minimum pulse width.
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