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公开(公告)号：US20240007006A1
公开(公告)日：2024-01-04
申请号：US18217515
申请日：2023-06-30
Applicant: SOLUM CO., LTD.
Inventor： Sang Keun JI , Jae Eun KIM , Dong Kyun RYU
CPC classification number: H02M3/33573 , H02M1/0087 , H02M1/0048
Abstract: A phase shift full bridge (PSFB) converter includes a switch portion including first to fourth switches connected in a form of a full bridge, a transformer configured to convert the output of the switch portion, a rectifying portion including at least one of a switch and a diode and configured to rectify the output of the transformer, a resonance inductor having an end connected to another end of a primary portion of the transformer and another end connected to a node between the third switch and the fourth switch, a first clamp diode having an end connected to an end of the first switch and another end connected to the other end of the primary portion of the transformer, and a second clamp diode having an end connected to the other end of the primary portion of the transformer and another end connected to another end of the second switch.
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公开(公告)号：US20220385174A1
公开(公告)日：2022-12-01
申请号：US17471920
申请日：2021-09-10
Applicant: SOLUM CO., LTD.
Inventor： Chang Yong Kwon , Dong Kyun RYU , Yun Sic BANG
Abstract: Provided is a coil structure including an inductor coil having a self-bonding wire structure and including a central hole, a detection coil electromagnetically coupled to the inductor coil, a support unit surrounding at least a portion of an outer periphery of the inductor coil, and a housing including an upper magnetic body and a lower magnetic body facing each other in a vertical direction with the inductor coil therebetween to form an inner space in which the inductor coil and the detection coil are provided, the upper magnetic body and the lower magnetic body each including a protrusion inserted into the central hole of the inductor coil.
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Patent Agency Ranking
公开(公告)号：US20220285069A1
公开(公告)日：2022-09-08
申请号：US17648883
申请日：2022-01-25
Applicant: SOLUM CO., LTD.
Inventor： Chang Yong KWON , Dong Kyun RYU , Yun Sic BANG
Abstract: A base includes a support plate, an inner wall provided on the support plate, an outer wall arranged apart from the inner wall in a first direction parallel to an upper surface of the support plate, and an insulating cover protruding from the outer wall in the first direction, wherein the outer wall and the inner wall extend in a second direction crossing the first direction.
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公开(公告)号：US20240213730A1
公开(公告)日：2024-06-27
申请号：US18596648
申请日：2024-03-06
Applicant: SOLUM CO., LTD.
Inventor： Young Jun JANG , Hyun Su KIM , Jun Kyu LEE , Pill Ju KIM , Sang Keun JI , Dong Kyun RYU
IPC: H01R31/06 , H01R13/533 , H02J7/00
CPC classification number: H01R31/065 , H01R13/533 , H02J7/0045
Abstract: Provided are an electric appliance and a method of manufacturing the same, the electric appliance having a smaller size and a reduced overall weight by preventing a fluid from flowing into a space unrelated to a heating component in a state where the fluid fills its case. The electric appliance includes: a case including a first space and a second space communicated to each other; a first component disposed in the first space; a second component disposed in the second space; a connection portion electrically connecting the first component and the second component to each other; and a potting pattern including a resin material and formed in the first space.
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5.发明申请公开(公告)号：US20220277888A1
公开(公告)日：2022-09-01
申请号：US17676268
申请日：2022-02-21
Applicant: SOLUM CO., LTD.
Inventor： Chang Yong KWON , Dong Kyun RYU , Yun Sic BANG
Abstract: A transformer having a reverse structure includes: a bobbin part including an inner bobbin and an outer bobbin including, respectively, body parts having through-holes formed therein and having a tubular shape and flange portions protruding outwardly from both ends of the body parts; coils respectively wound in the inner bobbin and the outer bobbin; and a core electrically coupled to the coils to form a magnetic circuit, wherein the inner bobbin and the outer bobbin include, respectively, external connection terminals fastened to one ends of the flange portions formed at an upper end of the body part and bent in a downward direction.
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公开(公告)号：US20210143731A1
公开(公告)日：2021-05-13
申请号：US16785299
申请日：2020-02-07
Applicant: SOLUM CO., LTD.
Inventor： Sang Keun JI , Dong Kyun RYU
Abstract: Provided is a system of varying a dead time of a converter, including a converter including a plurality of semiconductor switches to which a dead time is applied during an alternate switching operation; and a controller controlling ON/OFF of the plurality of semiconductor switches and setting the dead time, wherein the controller varies the dead time during an operation of the converter. According to the present invention, an over dead-time may be detected and varied to an appropriate dead time, thereby minimizing power loss of the converter and increasing efficiency thereof.
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公开(公告)号：US20230049325A1
公开(公告)日：2023-02-16
申请号：US17644265
申请日：2021-12-14
Applicant: SOLUM CO., LTD.
Inventor： Chang Yong KWON , Dong Kyun RYU , Yun Sic BANG , Sang Keun JI
Abstract: A transformer includes: a magnetic core including a lower magnetic structure and an upper magnetic structure; a printed circuit board arranged between the lower magnetic structure and the upper magnetic structure and including a core hole through which a midsection of the magnetic core penetrates, a primary coil, a secondary coil, a primary via-hole formed at an end of the printed circuit board and electrically connected to the primary coil, and a secondary via-hole formed at another end of the printed circuit board and electrically connected to the secondary coil; a primary pin inserted into the primary via-hole; a secondary pin inserted into the secondary via-hole; an insulating block into which a portion of the printed circuit board is inserted; and a mount on which the printed circuit board and the insulating block are mounted.
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