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公开(公告)号：US09425607B2
公开(公告)日：2016-08-23
申请号：US14391766
申请日：2013-04-04
Applicant: Eltek AS
Inventor： Erik Myhre , Thomas Olsen , Jan Tore Brastad
Abstract: An AC-DC converter device includes a first overvoltage protection circuit connected between a first DC output terminal and a first control terminal of a gate pulse controller. The first overvoltage protection circuit is configured to turn off a first switch if the output voltage between the DC output terminals is above a threshold voltage. A galvanic insulation barrier is connected either between the first overvoltage protection circuit and the first control terminal or between the first control terminal and the first switch.
Abstract translation: AC-DC转换器装置包括连接在第一直流输出端和门脉冲控制器的第一控制端之间的第一过电压保护电路。 第一过电压保护电路被配置为如果直流输出端子之间的输出电压高于阈值电压，则关闭第一开关。 在第一过电压保护电路和第一控制端子之间或第一控制端子与第一开关之间连接电绝缘栅极。
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公开(公告)号：US09337740B2
公开(公告)日：2016-05-10
申请号：US14391755
申请日：2013-04-04
Applicant: Eltek AS
Inventor： Erik Myhre , Thomas Olsen , Jan Tore Brastad
CPC classification number: H02M3/33507 , H02H7/1255 , H02M1/32 , H02M1/36 , H02M3/33515 , H02M3/33569 , H02M3/33592 , H02M2001/0032 , H02M2001/0038 , H02M2001/0041 , Y02B70/1433 , Y02B70/1475
Abstract: A DC-DC converter device and method for controlling the DC-DC converter device includes controlling gate drivers connected to the respective gate of first and second resonant circuit switches of a resonant circuit, controlling gate drivers connected to the respective gate of first and second rectifier switches of a synchronous rectifier, and detecting whether a shutdown criteria is fulfilled or not. If the shutdown criteria is fulfilled, the method is further includes the step of sending a shutdown signal to a shutdown device.
Abstract translation: 用于控制DC-DC转换器装置的DC-DC转换器装置和方法包括控制连接到谐振电路的第一和第二谐振电路开关的各个栅极的栅极驱动器，控制连接到第一和第二整流器的相应栅极的栅极驱动器 同步整流器的开关，以及是否满足关机标准。 如果满足关机标准，该方法还包括向停机装置发送关机信号的步骤。
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公开(公告)号：US20160006299A1
公开(公告)日：2016-01-07
申请号：US14768469
申请日：2013-12-20
Applicant: ELTEK AS
Inventor： Erik Myhre , Thomas Olsen , Jan Tore Brastad , Odd Roar Schmidt
CPC classification number: H02J9/061 , G06F1/30 , H01M10/486 , H01M10/6563 , H02J7/0068 , H02M3/04 , H02M7/04
Abstract: A power supply system module that includes a first and second AC terminals, positive and negative DC terminals and a housing. An AC-DC converter is connected to the first and second AC terminals, and a DC-DC converter is connected between the AC-DC converter and an internal DC bus. A protection circuit is connected between the internal DC bus and the positive or negative DC terminal. A control device controls the AC-DC converter and/or the DC-DC converter. The AC-DC converter, the DC-DC converter and the control device are provided inside the housing. The power supply system module also includes a backup battery device that has a backup battery connected to the internal DC bus via a battery management system. The backup battery device is provided inside the housing.
Abstract translation: 一种电源系统模块，包括第一和第二AC端子，正负极直流端子和壳体。 AC-DC转换器连接到第一和第二AC端子，DC-DC转换器连接在AC-DC转换器和内部DC总线之间。 内部直流母线与正或负直流端子之间连接有保护电路。 控制装置控制AC-DC转换器和/或DC-DC转换器。 AC-DC转换器，DC-DC转换器和控制装置设置在壳体内。 电源系统模块还包括备用电池装置，备用电池通过电池管理系统连接到内部直流总线。 备用电池装置设置在外壳内。
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公开(公告)号：US20150381070A1
公开(公告)日：2015-12-31
申请号：US14762708
申请日：2014-01-07
Applicant: ELTEK AS
Inventor： Nils Bäckman , Roberto Rojas
IPC: H02M5/458
CPC classification number: H02M5/4585 , H02J9/062 , H02M7/217
Abstract: An AC-AC converter device includes first and second AC input terminals and first and second AC output terminals. An input device is connected between an input node, a common node, a positive DC terminal and a negative DC terminal, wherein the input node is connected to the first AC input terminal via a first input inductor. An output device is connected between an output node, the positive DC terminal and the negative DC terminal, wherein the output node is connected to the first AC output terminal via an output inductor. A common device is connected between the common node, the positive DC terminal and the negative DC terminal, where the common node is connected to the second AC input terminal via a common inductor. A control device is provided for controlling the switches of the output device and the common device.
Abstract translation: AC-AC转换器装置包括第一和第二AC输入端子以及第一和第二AC输出端子。 输入装置连接在输入节点，公共节点，正DC端子和负DC端子之间，其中输入节点经由第一输入电感器连接到第一AC输入端子。 输出装置连接在输出节点，正直流端子和负直流端子之间，其中输出节点经由输出电感器连接到第一交流输出端子。 公共设备连接在公共节点，正直流终端和负直流终端之间，公共节点通过公共电感连接到第二交流输入端。 提供一种用于控制输出装置和公共装置的开关的控制装置。
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公开(公告)号：US11705663B2
公开(公告)日：2023-07-18
申请号：US17354745
申请日：2021-06-22
Applicant: ELTEK AS
Inventor： Christine Amer , Erik Myhre , Håkon Hafnor , Jan Tore Brastad , Kjetil Hagen
IPC: H01R13/73 , H01R13/52 , H01R13/422 , H05K7/20
CPC classification number: H01R13/5202 , H01R13/422 , H05K7/20409
Abstract: The present disclosure relates to a power supply system (1) including a main unit (10) including a protective main housing (11) and a distribution circuit (20) disposed in the protective main housing (11) and a module unit (30) including a protective module housing (31) and a converter module (40) disposed in the protective module housing (31). A protective connection system (CS) is configured to provide a releasable connection between the module unit (30) and the main unit (10); wherein the protective connection system (CS) includes a first connector device (15), a second connector device (35) and a sealing element (53).
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Patent Agency Ranking
公开(公告)号：US20220028604A1
公开(公告)日：2022-01-27
申请号：US17362866
申请日：2021-06-29
Applicant: ELTEK AS
Inventor： CHRISTINE AMER , Håkon HAFNOR , JAN TORE BRASTAD , KJETIL HAGEN
Abstract: The present disclosure provides a common or differential mode inductor for connection to a printed circuit board. The inductor includes a core, a first coil including a first insulated wire wound with a number of turns around the core, and a supporting device for supporting the core and the first coil. The supporting device includes a base element having a PCB contacting surface, and a first alignment element having a proximal end connected to the base element and a distal end provided at a distance from the PCB contacting surface, wherein the distal end is defining an alignment plane. The core has a first end plane facing the alignment plane and a second end plane, wherein the first end plane is facing the alignment plane. The second end plane is facing the base element.
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公开(公告)号：US11223294B2
公开(公告)日：2022-01-11
申请号：US16724108
申请日：2019-12-20
Applicant: ELTEK AS
Inventor： Nils Backman , Roberto Rojas
Abstract: The present disclosure provides to a power converter including an AC input terminal (ACin), a neutral terminal (N), an AC output terminal (ACout), an AC/DC converter circuit (210) connected between the AC input terminal, a positive DC terminal (DCP), and a negative DC terminal (DCN), a DC capacitor (C15) connected between the positive DC terminal (DCP) and the negative DC terminal (DCN), a line frequency commutated neutral circuit (220) connected between the positive DC terminal (DCP), the negative DC terminal (DCN), and the neutral terminal (N), and a DC/AC converter circuit (230) connected between the positive DC terminal (DCP), the negative DC terminal (DCN), the AC output terminal (ACout), and the neutral terminal (N). The power converter further includes an auxiliary converter circuit (240) connected between the positive DC terminal (DCP), the negative DC terminal (DCN), and the neutral terminal (N).
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公开(公告)号：US20210399463A1
公开(公告)日：2021-12-23
申请号：US17354745
申请日：2021-06-22
Applicant: ELTEK AS
Inventor： Christine Amer , Erik Myhre , Håkon Hafnor , Jan Tore Brastad , Kjetil Hagen
IPC: H01R13/52 , H01R13/422
Abstract: The present disclosure relates to a power supply system (1) including a main unit (10) including a protective main housing (11) and a distribution circuit (20) disposed in the protective main housing (11) and a module unit (30) including a protective module housing (31) and a converter module (40) disposed in the protective module housing (31). A protective connection system (CS) is configured to provide a releasable connection between the module unit (30) and the main unit (10); wherein the protective connection system (CS) includes a first connector device (15), a second connector device (35) and a sealing element (53).
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公开(公告)号：US20150131347A1
公开(公告)日：2015-05-14
申请号：US14381220
申请日：2013-03-07
Applicant: Eltek AS
Inventor： Arkadiusz Kulka
IPC: H02M1/42 , H02M7/5387
CPC classification number: H02M1/4233 , H02M7/5387 , H02M7/53871 , H02M7/5395
Abstract: The invention relates to a H-bridge inverter and a method for controlling a H-bridge converter. The H-bridge inverter (1) comprises first and second DC terminals (Tdc1, Tdc2), first and second AC terminals (Tac1, Tac2), a first switch (S1), a second switch (S2), a third switch (S3) and a fourth switch (S4). The inverter further comprises a control circuit for controlling the switching of the first, second, third and fourth switches (S11, S2, S3, S4). The control circuit is configured to control the switches (S1, S2, S3, S4) in continuous mode between the following states: a first state where the first switch (S1) is turned off, the second switch (S2) is performing PWM switching, the third switch (S3) is turned off and the fourth switch (S4) is turned on; a second state where the first switch (S1) is turned off, the second switch (S2) is performing PWM switching, the third switch (S3) is turned on and the fourth switch (S4) is turned off; a third state where the first switch (S1) is turned off, the second switch (S2) is turned on, the third switch (S3) is turned off and the fourth switch (54) is performing PWM switching; and a fourth state where the first switch (S1) is turned on, the second switch (S2) is turned off, the third switch (S3) is turned off and the fourth switch (S4) is performing PWM switching.
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公开(公告)号：US20150062973A1
公开(公告)日：2015-03-05
申请号：US14391755
申请日：2013-04-04
Applicant: Eltek AS
Inventor： Erik Myhre , Thomas Olsen , Jan Tore Brastad
CPC classification number: H02M3/33507 , H02H7/1255 , H02M1/32 , H02M1/36 , H02M3/33515 , H02M3/33569 , H02M3/33592 , H02M2001/0032 , H02M2001/0038 , H02M2001/0041 , Y02B70/1433 , Y02B70/1475
Abstract: A DC-DC converter device and method for controlling the DC-DC converter device includes controlling gate drivers connected to the respective gate of first and second resonant circuit switches of a resonant circuit, controlling gate drivers connected to the respective gate of first and second rectifier switches of a synchronous rectifier, and detecting whether a shutdown criteria is fulfilled or not. If the shutdown criteria is fulfilled, the method is further includes the step of sending a shutdown signal to a shutdown device.
Abstract translation: 用于控制DC-DC转换器装置的DC-DC转换器装置和方法包括控制连接到谐振电路的第一和第二谐振电路开关的各个栅极的栅极驱动器，控制连接到第一和第二整流器的相应栅极的栅极驱动器 同步整流器的开关，以及是否满足关机标准。 如果满足关机标准，该方法还包括向停机装置发送关机信号的步骤。
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