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    TESTING METHOD FOR A THERMAL CONTACT
    2.
    发明公开
    TESTING METHOD FOR A THERMAL CONTACT 审中-公开

    公开(公告)号：US20230324233A1

    公开(公告)日：2023-10-12

    申请号：US18210268

    申请日：2023-06-15

    Applicant: SAMSUNG SDI CO., LTD.

    Inventor： Maximilian HOFER ,  Helmut HAMMERSCHMIED

    IPC: G01K7/24 ,  H01M10/48

    CPC classification number: G01K7/24 ,  H01M10/486 ,  H01M2010/4271

    Abstract: A testing method for a thermal contact between a temperature sensor and a battery cell of a battery module, includes measuring a temperature T1 of the temperature sensor at a time point t1, heating the temperature sensor for a defined time (t2−t1) and/or (t3−t1), measuring a temperature T2 of the temperature sensor at a time point t2 and/or a temperature T3 of the temperature sensor at a time point t3, and determining the thermal contact between the temperature sensor and the battery cell based on at least one of the temperature differences ΔT2,1=(T2−T1), ΔT3,1=(T3−T1) and ΔT3,2=(T3−T2) and a heat transfer coefficient determined thereby. Also, a testing circuit for a temperature sensor of a battery module includes a thermistor with a first node connected to a first supply voltage and a second node connected to ground, a switch interconnected between the first node of the thermistor and a second supply voltage, and an analog-to-digital converter connected in parallel to the thermistor. Also, a cell supervision circuit for a battery module including a circuit carrier, a testing circuit, and a temperature sensor surface mounted to the circuit carrier and having a measuring head with a thermistor configured to be brought into thermal contact with a battery cell of the battery module.

    CONTROL UNIT FOR A BATTERY SYSTEM
    6.
    发明申请
    CONTROL UNIT FOR A BATTERY SYSTEM 有权

    公开(公告)号：US20210143486A1

    公开(公告)日：2021-05-13

    申请号：US17074517

    申请日：2020-10-19

    Applicant: Samsung SDI Co., Ltd.

    Inventor： Peter KURCIK ,  Markus PRETSCHUH ,  Maximilian HOFER

    IPC: H01M10/42 ,  G01R31/3842 ,  H02J7/00

    Abstract: A control unit for a battery system, comprising: a microcontroller configured to generate a first control signal; a monitoring unit configured to generate a fault signal indicative of the operational state of the microcontroller; a first signal source configured to generate a state signal indicative of a system state; a comparator circuit configured to generate an intermediate control signal based on a first control signal and a fault signal; the comparator circuit further comprising a comparator node, the comparator circuit configured to transmit the intermediate control signal to the comparator node; wherein the first signal source is connected to the comparator node to transmit the state signal to the comparator node; the comparator circuit further comprises a comparator connected to the comparator node and configured to generate a switch control signal based on a voltage on the comparator node and based on a threshold voltage.

    CELL SUPERVISION CIRCUIT FOR A BATTERY MODULE
    8.
    发明公开
    CELL SUPERVISION CIRCUIT FOR A BATTERY MODULE 审中-公开

    公开(公告)号：US20230332957A1

    公开(公告)日：2023-10-19

    申请号：US18212310

    申请日：2023-06-21

    Applicant: SAMSUNG SDI CO., LTD.

    Inventor： Maximilian HOFER ,  Helmut HAMMERSCHMIED

    IPC: G01K7/24 ,  H01M10/48

    CPC classification number: G01K7/24 ,  H01M10/486 ,  H01M2010/4271

    Abstract: A testing method for a thermal contact between a temperature sensor and a battery cell of a battery module, includes measuring a temperature T1 of the temperature sensor at a time point t1, heating the temperature sensor for a defined time (t2−t1) and/or (t3−t1), measuring a temperature T2 of the temperature sensor at a time point t2 and/or a temperature T3 of the temperature sensor at a time point t3, and determining the thermal contact between the temperature sensor and the battery cell based on at least one of the temperature differences ΔT2,1=(T2−T1), ΔT3,1=(T3−T1) and ΔT3,2=(T3−T2) and a heat transfer coefficient determined thereby. Also, a testing circuit for a temperature sensor of a battery module includes a thermistor with a first node connected to a first supply voltage and a second node connected to ground, a switch interconnected between the first node of the thermistor and a second supply voltage, and an analog-to-digital converter connected in parallel to the thermistor. Also, a cell supervision circuit for a battery module including a circuit carrier, a testing circuit, and a temperature sensor surface mounted to the circuit carrier and having a measuring head with a thermistor configured to be brought into thermal contact with a battery cell of the battery module.

    TEMPERATURE SENSOR THERMAL CONTACT TESTING METHOD AND CIRCUIT
    9.
    发明申请
    TEMPERATURE SENSOR THERMAL CONTACT TESTING METHOD AND CIRCUIT 有权

    公开(公告)号：US20210234208A1

    公开(公告)日：2021-07-29

    申请号：US16761884

    申请日：2018-06-01

    Applicant: SAMSUNG SDI CO., LTD.

    Inventor： Maximilian HOFER ,  Helmut HAMMERSCHMIED

    IPC: H01M10/48 ,  G01K7/24

    Abstract: The present invention relates to a testing method for the thermal contact between a temperature sensor (50) and a battery cell (10) of a battery module (30), wherein the method comprises the steps of measuring a temperature T1 of the temperature sensor (50) at a time point t1, heating the temperature sensor (50) for a defined time (t2-t1), measuring a temperature T2 of the temperature sensor (50) at a time point t2 and/or a temperature T3 of the temperature sensor (50) at a time point t3, and determining the thermal contact between the temperature sensor (50) and the battery cell (10) based on at least one of the temperature differences ΔT2,1=(T2-T1), ΔT3,1=(T3-T1) and/or ΔT3,2=(T3-T2). The invention further relates to a testing circuit (60) for a temperature sensor (50) of a battery module (30), comprising a thermistor (61) with a first node (67) connected to a first supply voltage (65) and a second node (68) connected to ground (69), a switch (63) interconnected between the first node (67) of the thermistor (61) and a second supply voltage (66), and an analog-to-digital converter (64) connected in parallel to the thermistor (61). The invention further relates to a cell supervision circuit (40) for a battery module (30), comprising a circuit carrier (45), a testing circuit (60) according to any one of the claims 1 to 10, and a temperature sensor (50) surface mounted to the circuit carrier (45) and comprising a measuring head (51) with

    POWER SUPPLY SYSTEM
    10.
    发明申请
    POWER SUPPLY SYSTEM 有权

    公开(公告)号：US20210126481A1

    公开(公告)日：2021-04-29

    申请号：US17009325

    申请日：2020-09-01

    Applicant: Samsung SDI Co., Ltd.

    Inventor： Peter KURCIK ,  Maximilian HOFER ,  Markus PRETSCHUH ,  Florian MAXL ,  Mathias PISCHLER

    IPC: H02J7/00 ,  B60L58/18 ,  H01M10/44

    Abstract: A power supply system for a battery system of a vehicle is provided. The power supply system includes: a switch control unit configured to control a power switch to switch an external load; an electronic unit; a first power supply electrically connected to the switch control unit and electrically connected to the electronic unit; a second power supply; and a switching unit. In a normal mode, the first power supply electrically supplies the electronic unit. The switching unit is configured to, in a cold crank mode: electrically disconnect the first power supply from the electronic unit when a voltage of the first power supply drops below a threshold voltage; and electrically connect the second power supply to the electronic unit when the voltage of the first power supply drops below the threshold voltage such that the second power supply powers the electronic unit in the cold crank mode.

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