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公开(公告)号：US20180053591A1
公开(公告)日：2018-02-22
申请号：US15554159
申请日：2015-12-04
摘要： Obtain a noise filter in which an attenuation effect of the noise filter is maintained to a high frequency wave, and it can be prevented that the noise filter is set at a high temperature. Ground patterns (19a), (19b), (24a), and (24b) of ground conductors (19) and (24) are extended to the outside of winding patterns so as to be arranged at positions through (29) through (32) at which the ground patterns (19a), (19b), (24a), and (24b) are faced to input-output terminal positions (3), (6), (14), and (18) of the winding patterns of a winding conductor (100), and slits (20) through (23) and slits (25) through (28), which separate portions which are arranged around a magnetic material core (400), are provided at the ground patterns (19a), (19b), (24a), and (24b) of the ground conductors (19) and (24).
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公开(公告)号：US20160336268A1
公开(公告)日：2016-11-17
申请号：US15111864
申请日：2014-12-01
IPC分类号： H01L23/522 , H01L23/498 , H02M7/00 , H01L23/00 , H02M7/68 , H01L23/367 , H01L23/31
CPC分类号： H01L23/5225 , H01L23/3114 , H01L23/3121 , H01L23/367 , H01L23/3672 , H01L23/49838 , H01L23/642 , H01L24/36 , H01L24/37 , H01L24/40 , H01L25/07 , H01L25/072 , H01L25/18 , H01L2224/40139 , H01L2224/40225 , H01L2224/84801 , H01L2924/00014 , H01L2924/1203 , H01L2924/1205 , H01L2924/13055 , H01L2924/13091 , H01L2924/181 , H01L2924/30105 , H01L2924/30107 , H02M7/003 , H02M7/68 , H01L2924/00012 , H01L2924/00 , H01L2224/37099
摘要： A power semiconductor device includes a first polarity-side semiconductor element whose first principal electrode is in contact with a first polarity-side surface electrode on an insulator plate; a second polarity-side semiconductor element whose first principal electrode is in contact with an intermediate surface electrode on the insulator plate; an intermediate conductor connecting the intermediate surface electrode with a second principal electrode of the first polarity-side semiconductor element; a heatsink being in contact with the insulator plate; a sealing resin sealing the first polarity-side semiconductor element, the second polarity-side semiconductor element, the insulator plate, and the intermediate conductor; a second polarity-side terminal of plate-type connected with a second principal electrode of the second polarity-side semiconductor element and extending externally from the scaling resin; and an adjusting electrode mounted and connected to the heatsink so as to have a surface facing the second polarity-side terminal.
摘要翻译： 功率半导体器件包括第一极性侧半导体元件，其第一主电极与绝缘板上的第一极性侧表面电极接触; 第二极性侧半导体元件，其第一主电极与绝缘板上的中间表面电极接触; 连接中间表面电极和第一极性侧半导体元件的第二主电极的中间导体; 散热器与绝缘板接触; 密封第一极性侧半导体元件，第二极性侧半导体元件，绝缘体板和中间导体的密封树脂; 第二极性侧端子，与第二极性侧半导体元件的第二主电极连接并从缩放树脂向外延伸; 以及调节电极，其安装并连接到所述散热器，以具有面向所述第二极性侧端子的表面。
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公开(公告)号：US20180047497A1
公开(公告)日：2018-02-15
申请号：US15554865
申请日：2016-01-22
发明人： Naruto MIYAKAWA , Kenichi SUGA , Ken HIRAKIDA , Kenji SHIMOHATA , Nobuyuki HARUNA , Keita TAKAHASHI
CPC分类号： H01F27/2876 , H01F17/06 , H01F27/08 , H01F27/24 , H01F27/2847 , H01F2017/0093 , H01F2017/067
摘要： A noise filter (100, 200, 300) provided with: a coil (1a, 1b) having a winding pattern configured by stacking flat plate-shaped conductors (50); a magnetic core (2) around which the coil (1a, 1b) is wound; and a heat dissipation member (3) electrically insulated from and closely attached to an end of the coil (1a, 1b) in a stacking direction, wherein a thermal resistance of one of the conductors (50), disposed at the end in the stacking direction of the coil (1a, 1b), is the lowest compared with the thermal resistances of the other conductors (50).
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公开(公告)号：US20170194873A1
公开(公告)日：2017-07-06
申请号：US15325949
申请日：2015-06-12
发明人： Keita TAKAHASHI , Kazuki SAKATA , Yoshiyuki DEGUCHI , Takuto YANO , Mamoru TAKIKITA , Kazutoshi AWANE , Koji NAKAJIMA , Takao MITSUI , Kosuke NAKANO , Masayoshi TAMURA , Masashi SAKAI
IPC分类号： H02M7/00 , H01L23/552 , H01L25/18 , H01L23/367 , H03H1/00 , H02M7/537 , H05K7/20
CPC分类号： H02M7/003 , H01L23/36 , H01L23/3675 , H01L23/552 , H01L25/07 , H01L25/18 , H01L2924/0002 , H02M7/48 , H02M7/537 , H03H1/00 , H03H2001/0085 , H05K7/209 , H01L2924/00
摘要： A power converter includes: a base conductor, an electrically heating member which is provided on the base conductor, a noise reduction capacitor of flat plate-shape in which via an insulator, a plurality of first electrodes and second electrodes are alternately layered, on one surface, the first electrode in an outermost layer is exposed and on another surface, the second electrode in an outermost layer is exposed, a relay conductor which is electrically connected to other members from the electrically heating member via the noise reduction capacitor, and the second electrode in an outermost layer of the noise reduction capacitor is face-joined to a face of the base conductor at a side where the electrically heating member is provided and the first electrode in an outermost layer and the relay conductor are face-joined.
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公开(公告)号：US20230145046A1
公开(公告)日：2023-05-11
申请号：US17918587
申请日：2020-07-03
发明人： Keita TAKAHASHI , Yusuke TSUBAKI
CPC分类号： H02M1/44 , H05K9/0037
摘要： A reference potential pattern in a printed board of a power conversion device is connected to a housing, an electromagnetic shield region surrounded by a shield wall of the housing and the reference potential pattern is formed, a power conversion circuit is provided outside the electromagnetic shield region, a conductive path connected to the control circuit and the power conversion circuit is wired into the electromagnetic shield region via a first connection hole of the printed board from the outside of the electromagnetic shield region.
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公开(公告)号：US20190223287A1
公开(公告)日：2019-07-18
申请号：US16244566
申请日：2019-01-10
CPC分类号： H05K1/0259 , B60R16/06 , H05K1/0215 , H05K1/0231 , H05K1/116 , H05K1/181 , H05K5/0052 , H05K5/006 , H05K5/0069 , H05K5/0073 , H05K5/061 , H05K2201/093 , H05K2201/09609 , H05K2201/10015 , H05K2201/10022 , H05K2201/10507
摘要： A fourth layer outer frame protection pattern of a multilayer circuit board housed in a conductive base and a nonconductive cover is in contact with an inner surface of the base via a selection layer, and is connected to a second layer planar ground pattern via a coupling capacitor, outer peripheral portions of respective layer patterns including a first and third layer annular ground patterns are overlapped with each other, and the planar ground pattern is wire connected to a reference ground point of a vehicle body. When the base is conductively attached to the vehicle body, a selection layer is a solder resist film, and when it is non-conductively attached, the selection layer is a solder film, so that the planar ground pattern does not conduct with the base at the time of short circuit abnormality of the coupling capacitor.
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7.发明公开公开(公告)号：US20240014750A1
公开(公告)日：2024-01-11
申请号：US18035296
申请日：2020-12-03
摘要： A power conversion device includes: a power conversion circuit that outputs power to a power output terminals to which electric cables of a power cable for supplying AC power to a motor is connected; an encoder circuit that outputs encoder information on the basis of angle information input to an information input terminal and supplied from signal lines of a signal transmission cable; a control unit that outputs a control signal that controls the power conversion circuit on the basis of the encoder information supplied from the encoder circuit; a shield terminal connected to a shield of the signal transmission cable which is electrically connected to a ground line of a power cable on the motor side; and a determination unit that detects a current input to the shield terminal and flowing through the shield of the signal transmission cable, and outputs disconnection detection information for disconnection in the shield.
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公开(公告)号：US20180007785A1
公开(公告)日：2018-01-04
申请号：US15546712
申请日：2015-11-30
CPC分类号： H02M5/458 , H02M1/126 , H02M1/44 , H02M7/003 , H02M7/48 , H02M2001/123 , H05K1/0204 , H05K1/0218 , H05K1/0227 , H05K1/0231 , H05K1/115
摘要： Even when a grounding capacitor is included at either end of a common mode coil, there is noise that flows from a load into a metal frame, and there is a need to restrict an amount of noise propagating to a system power supply. Because of this, a noise loop is formed of a rectifier circuit, an inverter, a first electrical wire that connects a positive polarity side of the rectifier circuit and the inverter, a second electrical wire that connects a negative polarity side of the rectifier circuit and the inverter, a ground wire terminal that can connect a load connected to an output terminal or the inverter, and a conductive plate that connects at least one or the first electrical wire and second electrical wire and the ground wire terminal.
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公开(公告)号：US20170063216A1
公开(公告)日：2017-03-02
申请号：US15308276
申请日：2014-08-22
发明人： Tetsuro FUJIWARA , Keita TAKAHASHI
CPC分类号： H02M1/126 , H02J3/01 , H02M7/06 , H03H1/0007 , H03H7/427
摘要： In a power converter having a semiconductor switch, common-mode noise is effectively reduced by setting the common-mode inductance value of reactors which are inserted into both lines such that the resonance frequency of the combined capacity of a line-to-ground bypass capacitor and the reactors which are inserted into both lines becomes a predetermined value or more.
摘要翻译： 在具有半导体开关的功率转换器中，通过设置插入两行的电抗器的共模电感值来有效地降低共模噪声，使得线对地旁路电容器的组合容量的谐振频率 插入两行的反应器成为规定值以上。
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