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公开(公告)号：US09726731B2
公开(公告)日：2017-08-08
申请号：US14583377
申请日：2014-12-26
Applicant: CHERVON INTELLECTUAL PROPERTY LIMITED
Inventor： Dezhong Yang , Pingbo Shi , Lei Liu , Zheng Geng , Lei Wang , Junya Duan , Yingdian Xiang
CPC classification number: G01R31/362 , G01R31/043 , G01R31/3606 , G01R31/3624 , G01R31/3658 , H01M10/482 , H01M2220/30 , H02J7/0013
Abstract: A battery pack, a method for detecting the battery pack, a charging assembly, and an electric tool are provided for detecting voltage and disconnection of the battery cells. The battery pack may have an output voltage of at least 56V and may include a plurality of series connection units. A voltage detecting module may be utilized for detecting voltage in the battery pack. A battery control module configured to control voltage detecting module may also be employed. The method may involve determining whether the series connection units are disconnected based on rates of voltage change or internal-resistance of the series connection units.
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公开(公告)号：US09590542B2
公开(公告)日：2017-03-07
申请号：US14568278
申请日：2014-12-12
Applicant: CHERVON INTELLECTUAL PROPERTY LIMITED
Inventor： Dezhong Yang , Pingbo Shi
CPC classification number: H02P6/181
Abstract: A brushless motor includes a rotor, a plurality of sets of stator windings, a position detection assembly, a MOSFET assembly, an inductance detection module and a main control module that controls them. The position detection assembly has a plurality of detection elements for detecting a position of the rotor and a position detection module for receiving signals fed back from the detection elements with the position detection module being electrically connected to the main control module and feeding back the positional information of the rotor thereto. The main control module alternatively switches between the position detection assembly and the inductance detection module to detect the position of the rotor. When the motor runs at a low speed, the system may effectively judge the position of the rotor to enable the machine to start with a load and, when the motor runs at a high speed, the system may accurately judge the position of the rotor, correctly drive the motor to run, eliminate errors caused by assembly, and prolong the service life of the motor.
Abstract translation: 无刷电动机包括转子，多组定子绕组，位置检测组件，MOSFET组件，电感检测模块和控制它们的主控制模块。 位置检测组件具有用于检测转子位置的多个检测元件和用于接收从检测元件反馈的信号的位置检测模块，位置检测模块电连接到主控制模块并反馈位置信息 的转子。 主控制模块交替地在位置检测组件和电感检测模块之间切换以检测转子的位置。 当电机以低速运行时，系统可以有效地判断转子的位置，使机器能够以负载起动，并且当电机以高速运行时，系统可以准确地判断转子的位置， 正确驱动电机运行，消除组装造成的误差，延长电机的使用寿命。
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公开(公告)号：US20150188464A1
公开(公告)日：2015-07-02
申请号：US14568278
申请日：2014-12-12
Applicant: CHERVON INTELLECTUAL PROPERTY LIMITED
Inventor： Dezhong Yang , Pingbo Shi
IPC: H02P6/18
CPC classification number: H02P6/181
Abstract: A brushless motor includes a rotor, a plurality of sets of stator windings, a position detection assembly, a MOSFET assembly, an inductance detection module and a main control module that controls them. The position detection assembly has a plurality of detection elements for detecting a position of the rotor and a position detection module for receiving signals fed back from the detection elements with the position detection module being electrically connected to the main control module and feeding back the positional information of the rotor thereto. The main control module alternatively switches between the position detection assembly and the inductance detection module to detect the position of the rotor. When the motor runs at a low speed, the system may effectively judge the position of the rotor to enable the machine to start with a load and, when the motor runs at a high speed, the system may accurately judge the position of the rotor, correctly drive the motor to run, eliminate errors caused by assembly, and prolong the service life of the motor.
Abstract translation: 无刷电动机包括转子，多组定子绕组，位置检测组件，MOSFET组件，电感检测模块和控制它们的主控制模块。 位置检测组件具有用于检测转子位置的多个检测元件和用于接收从检测元件反馈的信号的位置检测模块，位置检测模块电连接到主控制模块并反馈位置信息 的转子。 主控制模块交替地在位置检测组件和电感检测模块之间切换以检测转子的位置。 当电机以低速运行时，系统可以有效地判断转子的位置，使机器能够以负载起动，并且当电机以高速运行时，系统可以准确地判断转子的位置， 正确驱动电机运行，消除组装造成的误差，延长电机的使用寿命。
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4.发明申请BATTERY PACK, METHOD FOR DETECTING BATTERY PACK, CHARGING ASSEMBLY AND ELECTRIC TOOL 有权电池组，检测电池组，充电组件和电动工具的方法
公开(公告)号：US20150185289A1
公开(公告)日：2015-07-02
申请号：US14583377
申请日：2014-12-26
Applicant: CHERVON INTELLECTUAL PROPERTY LIMITED
Inventor： Dezhong Yang , Pingbo Shi , Lei Liu , Zheng Geng , Lei Wang , Junya Duan , Yingdian Xiang
CPC classification number: G01R31/362 , G01R31/043 , G01R31/3606 , G01R31/3624 , G01R31/3658 , H01M10/482 , H01M2220/30 , H02J7/0013
Abstract: A battery pack, a method for detecting the battery pack, a charging assembly, and an electric tool are provided for detecting voltage and disconnection of the battery cells. The battery pack may have an output voltage of at least 56V and may include a plurality of series connection units. A voltage detecting module may be utilized for detecting voltage in the battery pack. A battery control module configured to control voltage detecting module may also be employed. The method may involve determining whether the series connection units are disconnected based on rates of voltage change or internal-resistance of the series connection units.
Abstract translation: 提供电池组，用于检测电池组的方法，充电组件和电动工具，用于检测电池单元的电压和断开。 电池组可以具有至少56V的输出电压，并且可以包括多个串联连接单元。 电压检测模块可用于检测电池组中的电压。 还可以采用配置成控制电压检测模块的电池控制模块。 该方法可以包括基于串联连接单元的电压变化率或内部电阻来确定串联连接单元是否断开。
