公开(公告)号：US20240388044A1

公开(公告)日：2024-11-21

申请号：US18663011

申请日：2024-05-13

Applicant: SMART Electronics Inc

Inventor： Sang Joon JIN ,  Dong Ho JEON ,  Saeng Soo YUN

IPC: H01R13/696 ,  H01H85/08

Abstract: A high current terminal for electronic circuit protection includes: a first sectional terminal into which a current flows from the outside; a second sectional terminal transmitting a current flowing inside through the first terminal to the outside; and an element coupled between the first sectional terminal and the second sectional terminal, wherein the element disconnects the first sectional terminal and the second sectional terminal by melting when a current exceeding a preset condition flows inside through the first sectional terminal, and is formed to have a thickness that is equal to or less than thicknesses of the first sectional terminal and the second sectional terminal.

公开(公告)号：US20240230726A9

公开(公告)日：2024-07-11

申请号：US18546727

申请日：2022-02-14

Applicant: Smart Electronics Inc.

Inventor： Jeong Bok Lee ,  Dong Choon Kim ,  Dong Hwa Kim

IPC: G01R19/15 ,  G01R1/04 ,  G01R1/20 ,  G01R1/30 ,  G01R15/20

CPC classification number: G01R19/15 ,  G01R1/04 ,  G01R1/203 ,  G01R1/30 ,  G01R15/202

Abstract: The present invention relates to a current sensing device comprising: a bus bar including a plurality of low-resistance metal portions separated from each other with a resistance portion therebetween; a printed circuit board arranged below the bus bar; a plurality of fixing pins which are joined to the metal portions of the bus bar to fix the bus bar on the printed circuit board and provide a current path between the metal portions and the printed circuit board; and at least one Hall sensor module. At least a portion of the Hall sensor module is inserted into a sensor hole formed in at least one of the low-resistance metal portions of the bus bar.

公开(公告)号：US11776716B2

公开(公告)日：2023-10-03

申请号：US17677058

申请日：2022-02-22

Applicant: SMART ELECTRONICS INC.

Inventor： Doo Won Kang ,  Hwang Je Mun ,  A Lam Shin

IPC: H01C1/14 ,  H01C1/022 ,  H01C7/04 ,  H02H9/02

CPC classification number: H01C1/1413 ,  H01C1/022 ,  H01C7/041 ,  H02H9/02

Abstract: The present invention relates to a circuit protection device including: a device comprising a heating element configured to comprise a body and a pair of electrodes formed on the body, and a pair of lead wires connected, respectively, to the pair of electrodes; and a case having an independent accommodating space formed therein to accommodate at least the heating element, wherein the case includes at least one heat insulating layer disposed in the vicinity of the accommodating space.

公开(公告)号：US09722418B2

公开(公告)日：2017-08-01

申请号：US14632922

申请日：2015-02-26

Applicant: SMART ELECTRONICS INC.

Inventor： Doo Won Kang ,  Hyun Chang Kim ,  Kwang Beom Kim ,  Saeng Soo Yun ,  Hyuk Jae Kwon

IPC: H01H37/04 ,  H02H9/04

CPC classification number: H02H9/044

Abstract: Disclosed is a complex protection device including a substrate, fuse terminals provided on the substrate, first resistive terminals provided on the substrate so as to be separated from the fuse terminals, second resistive terminals provided on the substrate opposite to the first resistive terminals across the fuse terminals, a fusible element connected to the fuse terminals, a first surface-mounted resistive element connected to the first resistive terminals, a second surface-mounted resistive element connected to the second resistive terminals, at least one printed resistive element connected to at least one of the first resistive terminals and the second resistive terminals and connected to at least one of the first surface-mounted resistive element and the second surface-mounted resistive element, and a switching element controlling flow of current to the first and second surface-mounted resistive elements and the at least one printed resistive element if overvoltage is applied.

公开(公告)号：US20170212150A1

公开(公告)日：2017-07-27

申请号：US15039354

申请日：2013-12-16

Applicant: SMART ELECTRONICS INC.

Inventor： Doo Won KANG ,  Hyun Chang KIM ,  Kyung Mi LEE ,  Hwang Je MUN ,  A Lam SHIN ,  Tae Hun KANG

IPC: G01R15/14

CPC classification number: G01R15/146 ,  G01R1/203

Abstract: Disclosed are a shunt resistor and a shunt resistor assembly in which measurement terminals to measure voltage are disposed as close as possible to a resistor element so as to reduce a measurement error, and mechanical and electrical connection is excellent.

公开(公告)号：US09607795B2

公开(公告)日：2017-03-28

申请号：US14647037

申请日：2013-11-22

Applicant: SMART ELECTRONICS INC.

Inventor： Jong il Jung ,  Doo Won Kang ,  Gyu Jin Ahn ,  Sang Joon Jin ,  Hyun Chang Kim ,  Kyung Mi Lee ,  Eun Min Kim ,  Tae Hun Kang ,  Kwang Hoon Lee ,  Sang Min Ahn

IPC: H01H37/04 ,  H01H85/08 ,  H01H85/046 ,  H02H9/04 ,  H02H3/087 ,  H02H7/18 ,  H01H85/46 ,  H01H61/02 ,  H02H5/04 ,  H01H37/76

CPC classification number: H01H37/043 ,  H01H37/761 ,  H01H61/02 ,  H01H85/046 ,  H01H85/463 ,  H02H3/087 ,  H02H5/041 ,  H02H7/18 ,  H02H9/041 ,  H02H9/042

Abstract: A complex protection device for blocking an abnormal state of current and voltage is disclosed. In the complex protection device, a resistive element is configured in the form of a structure and thus the resistive element has enhanced durability and surface mounting technology suitable for automation may be utilized, and a plurality of resistive elements is configured in various resistances and sizes to be optimally designed for product characteristics.

公开(公告)号：US09508519B2

公开(公告)日：2016-11-29

申请号：US14441839

申请日：2013-11-06

Applicant: SMART ELECTRONICS INC.

Inventor： Jong il Jung ,  Doo Won Kang ,  Gyu Jin Ahn ,  Sang Joon Jin ,  Hyun Chang Kim ,  Kyung Mi Lee ,  Kwang Beom Kim ,  So Young Kim

IPC: H01H85/143 ,  H01H85/175 ,  H01H69/02 ,  H01H85/17 ,  H01H85/18 ,  H01H85/00

CPC classification number: H01H85/143 ,  H01H69/02 ,  H01H85/0026 ,  H01H85/17 ,  H01H85/175 ,  H01H85/185 ,  Y10T29/49107

Abstract: A fuse and a manufacturing method thereof are disclosed. Since a nonconductive member formed of a ceramic material with excellent mechanical strength and a ceramic tube are used and the ceramic tube is joined to sealing electrodes by use of brazing rings, durability of the fuse is considerably improved. The fuse may be stably used at a high voltage by improving time-lag characteristics.

Abstract translation: 公开了一种保险丝及其制造方法。 由于使用由具有优异的机械强度的陶瓷材料形成的非导电构件和陶瓷管，并且通过使用钎焊环将陶瓷管接合到密封电极，所以保险丝的耐久性得到显着提高。 通过改善时滞特性，可以在高电压下稳定地使用保险丝。

公开(公告)号：US20150364286A1

公开(公告)日：2015-12-17

申请号：US14733381

申请日：2015-06-08

Applicant: SMART ELECTRONICS INC.

Inventor： Doo Won KANG ,  Hyun Chang KIM ,  Kwang Beom KIM ,  Saeng Soo YUN ,  Hyuk Jae KWON

IPC: H01H83/20 ,  H01H61/013 ,  H01H37/32

CPC classification number: H01H83/20 ,  H01H37/043 ,  H01H37/761 ,  H01H61/02 ,  H01H85/046 ,  H01H85/463 ,  H01H2085/466 ,  H02H3/023 ,  H02H3/087 ,  H02H3/10 ,  H02H3/202 ,  H02H5/041 ,  H02H7/18 ,  H02H9/041 ,  H02H9/042

Abstract: Provided is a complex protection device which can protect a circuit and circuit elements installed at the circuit against overcurrent and overvoltage. Heat is generated from thin film type printed resistors installed at opposite sides of a fusible element or directly beneath the fusible element and, as such, it is possible to improve thermal characteristics of the product, to design an ultraminiature product, and to simplify manufacture processes.

Abstract translation: 提供了一种复杂的保护装置，可以保护电路和安装在电路上的电路元件免受过电流和过压。 热量由安装在易熔元件相对侧的薄膜型印刷电阻器产生，或直接位于可熔元件的下面，因此可以改善产品的热特性，设计超微型产品，并简化制造工艺 。

公开(公告)号：US20240159837A1

公开(公告)日：2024-05-16

申请号：US18505509

申请日：2023-11-09

Applicant: SMART ELECTRONICS INC.

Inventor： Hong Il CHAE ,  Hyun Chang KIM ,  Kwang Hoon LEE ,  Won Seok KIM ,  Hyuk Jae KWON ,  Young Min SON ,  Hyeon Chang JEONG

IPC: G01R31/3842 ,  G01R31/374 ,  H01M10/48 ,  H01M50/505 ,  H01M50/569

CPC classification number: G01R31/3842 ,  G01R31/374 ,  H01M10/486 ,  H01M50/505 ,  H01M50/569

Abstract: The present invention provides a battery monitoring method, which is performed by a battery monitoring device, including: measuring a first voltage drop across both ends of a first shunt resistor of a bus bar electrically connected to a battery and a second voltage drop across both ends of a second shunt resistor, which is in parallel or serial connection with the first shunt resistor; calculating a first current and a second current flowing, respectively, through the first shunt resistor and the second shunt resistor using a first voltage drop value and a second voltage drop value; and determining a state of the battery using a difference between a first current value and a second current value. According to the present invention, it is possible to increase the reliability of monitoring information related to the battery's state by utilizing current values that have undergone linearity compensation and temperature compensation.

公开(公告)号：US11764547B2

公开(公告)日：2023-09-19

申请号：US17223381

申请日：2021-04-06

Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION ,  SMART ELECTRONICS INC.

Inventor： Chang-Koo Kim ,  Hae-Min Lee ,  Doo Won Kang ,  Hyun Chang Kim

IPC: H01T4/12 ,  H01T21/00 ,  C23C18/50 ,  C23C18/18 ,  C23C18/16 ,  C23C18/36 ,  H01T4/02 ,  H01C1/024 ,  H01C1/026

CPC classification number: H01T4/12 ,  C23C18/1651 ,  C23C18/1692 ,  C23C18/1893 ,  C23C18/36 ,  C23C18/50 ,  H01T21/00 ,  H01C1/024 ,  H01C1/026 ,  H01T4/02

Abstract: A method for manufacturing a surge absorbing device is provided. The method includes providing an elongate ceramic tube having a hollow space defined therein and having open and opposite first and second end; forming a first plating layer and a second plating layer on the first end and the second end, respectively; placing a surge absorbing element within the hollow space within the ceramic tube; disposing first and second brazing rings on the first plating layer and the second plating layer, respectively; disposing first and second sealing electrodes on the first and second brazing rings respectively; and melting the first and second brazing rings in an inert gas atmosphere to attach the first and second sealing electrodes onto the first plating layer and the second plating layer, respectively.