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公开(公告)号：US20160236632A1
公开(公告)日：2016-08-18
申请号：US14688271
申请日：2015-04-16
Applicant: LG Chem, Ltd.
Inventor： Richard McCormick , Stephen Frisby , Adnan Haider
IPC: B60R16/03 , G05B11/01 , G01R31/327 , G05B9/02
CPC classification number: G01R31/327 , B60L3/0069 , B60L3/04 , G01R31/025 , G01R31/3277 , G05B9/02 , G05B11/01 , Y02T10/642
Abstract: A contactor control system having a primary microprocessor, a secondary microprocessor, a high side contactor control circuit, and a low side contactor control circuit is provided. The primary microprocessor sends a first command signal to the secondary microprocessor. The secondary microprocessor sends a command signal to the secondary grounding circuit for outputting a ground level voltage to a logical OR circuit to induce the logical OR circuit to output a ground level voltage to a second end of the contactor coil. The primary microprocessor sends a command signal to the secondary microprocessor, and in response the secondary microprocessor sends a command signal to the secondary pull-in circuit to activate the secondary pull-in circuit for energizing the contactor coil.
Abstract translation: 提供一种具有主微处理器，二次微处理器，高侧接触器控制电路和低侧接触器控制电路的接触器控制系统。 主微处理器向第二微处理器发送第一命令信号。 次级微处理器向二次接地电路发送一个命令信号，以将地电平电压输出到逻辑“或”电路，以使逻辑“或”电路将接地电平输出到接触器线圈的第二端。 主微处理器向二级微处理器发送命令信号，并且作为响应，二级微处理器向第二级引入电路发送命令信号以启动用于激励接触器线圈的辅助引入电路。
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2.发明申请公开(公告)号：US20170271888A1
公开(公告)日：2017-09-21
申请号：US15070834
申请日：2016-03-15
Applicant: LG Chem, Ltd.
Inventor： Richard McCormick , Christopher E. Curtis
CPC classification number: H02J7/0014 , G01R31/3696 , H02J7/0004 , H02J7/0016 , H02J7/0024
Abstract: A battery system and a method for determining an open circuit fault condition in a battery module are provided. The method includes measuring a first voltage between first and second electrical sense lines while a first transistor in a first cell balancing circuit is turned off, and measuring a second voltage between the first and second electrical sense lines while the first transistor is turned on. The method further includes retrieving a first resistance value from a table stored in a memory device. The method further includes determining a first cell balancing current based on the first and second voltages and the first resistance value. The method further includes determining a first open circuit fault condition between the first battery cell and the first cell balancing circuit if the first cell balancing current is greater than a first threshold current.
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公开(公告)号：US09786967B2
公开(公告)日：2017-10-10
申请号：US14287291
申请日：2014-05-27
Applicant: LG Chem, Ltd.
Inventor： Alexander Jeffrey Smith , Richard McCormick , Satish Ketkar , Robert Merriman , Heekook Yang
IPC: H01M10/633 , H01M10/48 , H01M10/613 , H01M10/6563 , B60L1/00
CPC classification number: H01M10/633 , B60L1/00 , B60L11/1874 , B60L2240/525 , B60L2240/545 , H01M10/482 , H01M10/486 , H01M10/613 , H01M10/6563 , Y02T10/705
Abstract: A battery pack is provided. The battery pack includes first and second temperature sensors that are disposed in first and second interior spaces, respectively. The first temperature sensor generates a first signal indicative of a first temperature level of the battery cell. The second temperature sensor generates a second signal indicative of a second temperature level of the DC-DC voltage converter. The battery pack further includes a microprocessor that determines a first desired operational speed value of the electric fan based on the first temperature level, and a second desired operational speed value of the electric fan based on the second temperature level. The microprocessor selects the first desired operational speed value if the first desired operational speed value is greater than the second desired operational speed value.
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公开(公告)号：US09270266B1
公开(公告)日：2016-02-23
申请号：US14550070
申请日：2014-11-21
Applicant: LG Chem, Ltd.
Inventor： Richard McCormick
IPC: H03K17/687 , H02M3/07
CPC classification number: H03K17/687 , H02M3/073 , H03K17/04123 , H03K17/102
Abstract: A high voltage switching circuit includes a low voltage driving circuit having first and second capacitors; and an isolated high voltage driving circuit. The isolated high voltage driving circuit has an isolated charge pump circuit and a transistor driving circuit. The first and second electrical nodes of the isolated charge pump circuit are electrically coupled to the transistor driving circuit, which is coupled to a resistive load. The transistor driving circuit increases an output voltage of the resistive load to a desired output voltage level over a time interval in response to first and second voltage signals being applied to the first and second electrical nodes, respectively, when the first and second capacitors are receiving first and second pulse width modulated voltage signals, respectively, over the time interval.
Abstract translation: 高压开关电路包括具有第一和第二电容器的低压驱动电路; 和隔离的高压驱动电路。 隔离的高压驱动电路具有隔离的电荷泵电路和晶体管驱动电路。 隔离电荷泵电路的第一和第二电节点电耦合到耦合到电阻负载的晶体管驱动电路。 当第一和第二电容器正在接收时，晶体管驱动电路响应于分别施加到第一和第二电节点的第一和第二电压信号，在一段时间间隔内使电阻性负载的输出电压增加到期望的输出电压电平 第一和第二脉宽调制电压信号分别在时间间隔内。
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5.发明申请公开(公告)号：US20150349392A1
公开(公告)日：2015-12-03
申请号：US14287291
申请日：2014-05-27
Applicant: LG Chem, Ltd.
Inventor： Alexander Jeffrey Smith , Richard McCormick , Satish Ketkar , Robert Merriman , Heekook Yang
IPC: H01M10/633 , H01M10/48
CPC classification number: H01M10/633 , B60L1/00 , B60L11/1874 , B60L2240/525 , B60L2240/545 , H01M10/482 , H01M10/486 , H01M10/613 , H01M10/6563 , Y02T10/705
Abstract: A battery pack is provided. The battery pack includes first and second temperature sensors that are disposed in first and second interior spaces, respectively. The first temperature sensor generates a first signal indicative of a first temperature level of the battery cell. The second temperature sensor generates a second signal indicative of a second temperature level of the DC-DC voltage converter. The battery pack further includes a microprocessor that determines a first desired operational speed value of the electric fan based on the first temperature level, and a second desired operational speed value of the electric fan based on the second temperature level. The microprocessor selects the first desired operational speed value if the first desired operational speed value is greater than the second desired operational speed value.
Abstract translation: 提供电池组。 电池组包括分别设置在第一和第二内部空间中的第一和第二温度传感器。 第一温度传感器产生指示电池单元的第一温度水平的第一信号。 第二温度传感器产生指示DC-DC电压转换器的第二温度水平的第二信号。 电池组还包括基于第一温度水平确定电风扇的第一期望操作速度值的微处理器和基于第二温度水平的电风扇的第二期望操作速度值。 如果第一所需操作速度值大于第二所需操作速度值，则微处理器选择第一所需操作速度值。
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Patent Agency Ranking
公开(公告)号：US09702937B2
公开(公告)日：2017-07-11
申请号：US14688271
申请日：2015-04-16
Applicant: LG Chem, Ltd.
Inventor： Richard McCormick , Stephen Frisby , Adnan Haider
CPC classification number: G01R31/327 , B60L3/0069 , B60L3/04 , G01R31/025 , G01R31/3277 , G05B9/02 , G05B11/01 , Y02T10/642
Abstract: A contactor control system having a primary microprocessor, a secondary microprocessor, a high side contactor control circuit, and a low side contactor control circuit is provided. The primary microprocessor sends a first command signal to the secondary microprocessor. The secondary microprocessor sends a command signal to the secondary grounding circuit for outputting a ground level voltage to a logical OR circuit to induce the logical OR circuit to output a ground level voltage to a second end of the contactor coil. The primary microprocessor sends a command signal to the secondary microprocessor, and in response the secondary microprocessor sends a command signal to the secondary pull-in circuit to activate the secondary pull-in circuit for energizing the contactor coil.
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7.发明申请公开(公告)号：US20160085247A1
公开(公告)日：2016-03-24
申请号：US14489613
申请日：2014-09-18
Applicant: LG Chem, Ltd.
Inventor： Alexander Jeffrey Smith , Richard McCormick , Satish Ketkar , Robert Merriman , Heekook Yang
CPC classification number: H01M10/613 , H01M2/10 , H01M2/1061 , H01M2/1077 , H01M10/486 , H01M10/63 , H01M10/633 , H01M10/635 , H01M10/6556 , H01M10/6563 , H01M10/667
Abstract: A battery pack is provided. The battery pack includes first and second temperature sensors that are disposed in first and second interior spaces, respectively. The first temperature sensor generates a first signal indicative of a first temperature level of the battery cell. The second temperature sensor generates a second signal indicative of a second temperature level of the DC-DC voltage converter. The battery pack further includes a microprocessor that determines a first fan speed percentage value of the electric fan based on the first temperature level, and a second fan speed percentage value of the electric fan based on the second temperature level. The microprocessor selects the first fan speed percentage value if the first fan speed percentage value is greater than the second fan speed percentage value.
Abstract translation: 提供电池组。 电池组包括分别设置在第一和第二内部空间中的第一和第二温度传感器。 第一温度传感器产生指示电池单元的第一温度水平的第一信号。 第二温度传感器产生指示DC-DC电压转换器的第二温度水平的第二信号。 电池组还包括基于第一温度水平确定电风扇的第一风扇速度百分比值和基于第二温度水平的电风扇的第二风扇速度百分比值的微处理器。 如果第一个风扇速度百分比值大于第二个风扇转速百分比值，微处理器将选择第一个风扇转速百分比值。
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8.发明申请PRE-CHARGING SYSTEM FOR A CAPACITOR IN A VOLTAGE INVERTER FOR AN ELECTRIC MOTOR 有权用于电动机的电压逆变器中的电容器的预充电系统公开(公告)号：US20150155732A1
公开(公告)日：2015-06-04
申请号：US14105219
申请日：2013-12-13
Applicant: LG Chem, Ltd.
Inventor： Richard McCormick
CPC classification number: H02J7/0052 , H02H9/00 , H02H9/001 , H02J7/0054 , H02J7/345 , H02P27/06
Abstract: A pre-charging system for a capacitor in a voltage inverter for an electric motor is provided. The system includes a grounding contactor electrically coupled between a grounding terminal of a battery pack and a first end of the capacitor. The system further includes a pre-charging contactor and a resistor electrically coupled in series. The pre-charging contactor and the resistor are electrically coupled between a high voltage terminal of the battery pack and a second end of the capacitor. The microprocessor determines a total amount of energy supplied to the resistor and induces the pre-charging contactor to have an open operational position to electrically de-couple the high voltage terminal from the second end of the capacitor, if the total amount of energy is greater than a threshold amount of energy.
Abstract translation: 提供了一种用于电动机的电压逆变器中的电容器的预充电系统。 该系统包括电耦合在电池组的接地端子和电容器的第一端之间的接地接触器。 该系统还包括预充电接触器和串联电耦合的电阻器。 预充电接触器和电阻器电耦合在电池组的高电压端子和电容器的第二端之间。 微处理器确定提供给电阻器的能量的总量，并且引起预充电接触器具有打开的操作位置，以将高压端子与电容器的第二端电耦合，如果总能量量较大 超过阈值的能量。
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公开(公告)号：US20140322563A1
公开(公告)日：2014-10-30
申请号：US14330163
申请日：2014-07-14
Applicant: LG Chem, Ltd.
Inventor： Satish Ketkar , Paul Laurain , Richard McCormick
IPC: H01M10/6569
CPC classification number: H01M10/6551 , F25B49/025 , F25B2600/0253 , F25B2700/2117 , F25D19/00 , F28D2021/0028 , H01M10/613 , H01M10/6569 , Y02B30/741
Abstract: A battery system having a cooling plate with a conduit therein is provided. The system further includes a battery module having first and second battery cells. The system further includes a compressor, and a condenser coupled between the compressor and the conduit of the cooling plate. The system further includes a microprocessor that determines a maximum temperature level of the first and second battery cells, and determines a target temperature level for the cooling plate based on the maximum temperature level. The microprocessor determines a temperature error value based on a difference between a temperature level and the target temperature level of the cooling plate, and determines a desired RPM value for the compressor based on the temperature error value.
Abstract translation: 提供了具有其中具有导管的冷却板的电池系统。 该系统还包括具有第一和第二电池单元的电池模块。 该系统还包括压缩机和联接在压缩机和冷却板的导管之间的冷凝器。 该系统还包括确定第一和第二电池单元的最高温度水平的微处理器，并且基于最大温度水平确定冷却板的目标温度水平。 微处理器基于冷却板的温度水平和目标温度水平之间的差异来确定温度误差值，并且基于温度误差值确定压缩机的期望RPM值。
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公开(公告)号：US10063068B1
公开(公告)日：2018-08-28
申请号：US15484912
申请日：2017-04-11
Applicant: LG Chem, Ltd.
Inventor： Richard McCormick
CPC classification number: H02J7/0016 , G01R31/382 , G01R31/392 , G01R31/396 , H01M10/425 , H01M10/486 , H01M2220/20 , H02J7/0021
Abstract: A battery system includes a battery module having first and second battery cells. The battery system further includes first and second cell balancing circuits and a microcontroller. The microcontroller determines a first cell balancing current value indicating an amount of electrical current flowing through a first resistor of the first cell balancing circuit based on the first, second, third, and fourth voltage values and a first resistance value. The microcontroller generates a first fault condition code indicating an operational failure of the first transistor in the first balancing circuit if the first cell balancing current value is less than a minimum desired current value.
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