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    • 2. 发明授权
    • Cordless power system with system component identification and/or battery pack control
    • 无绳电力系统,具有系统组件识别和/或电池组控制
    • US07723952B2
    • 2010-05-25
    • US11251368
    • 2005-10-14
    • Steven J. PhillipsJeffrey J. FrancisAndrew E. Seman, Jr.Daniele C. BrottoDavid A. CarrierDanh T. TrinhChristopher R. YahnkerJames B. WatsonDaniel J. White
    • Steven J. PhillipsJeffrey J. FrancisAndrew E. Seman, Jr.Daniele C. BrottoDavid A. CarrierDanh T. TrinhChristopher R. YahnkerJames B. WatsonDaniel J. White
    • H02J7/00
    • H01M2/1022B25F5/00B25F5/02H01M6/42H01M10/052H01M10/0525H01M10/4207H01M10/4257H01M10/441H02J7/0004H02J7/0042H02J7/0052H02J7/0063H02J7/0068H02J2007/0098
    • A cordless system has cordless system components that include a cordless device, such as a cordless power tool, a battery pack and a charger. The battery pack is mated with either the cordless device to provide power to operate the cordless device or to the charger to charge the battery cells in the battery pack. In an aspect, the cordless system has an identification and communication system by which the battery pack identifies and communicates information about the battery pack to the cordless device or to the charger to which the battery pack is mated. In an, the battery pack of the cordless system is capable of multiple modes, such as controlling the cordless device and controlling the charger. In an aspect, the battery pack validates the cordless device or charger to which it is mated. in an aspect of the invention, the cordless system uses any of a wired interface, radio frequency interface, an optical interface or a magnetic interface to communicate information between the battery pack and the cordless device or charger to which the battery pack is mated. In an aspect, female terminals are used in a terminal block of the battery pack to protect against foreign objects contacting the terminals. In aspect, the terminals in the terminal block of the battery pack are staggered or scattered to reduce the likelihood of a short circuit. In an aspect of the invention, the battery pack has a trap door that closes when the battery pack is not mated to a cordless device or charger to protect the terminal block of the battery pack. In an aspect of the invention, multi-spring, split contact terminals are used in the terminal block of at least one of the cordless system components. In an aspect of the invention, the battery cells are Lithium Ion battery cells.
    • 无绳系统具有无绳系统组件,其包括无绳设备,例如无绳电动工具,电池组和充电器。 电池组与无绳设备配合,以提供电力来操作无绳设备或充电器来对电池组中的电池单元进行充电。 一方面,无绳系统具有识别和通信系统,通过该系统,电池组将电池组的信息识别并传送到无绳设备或与电池组配合的充电器。 一方面,无绳系统的电池组能够具有多种模式,例如控制无绳装置并控制充电器。 在一方面,电池组验证其配合的无绳设备或充电器。 在本发明的一个方面,无绳系统使用有线接口,射频接口,光接口或磁接口中的任何一个来在电池组与电池组配对的无绳设备或充电器之间传送信息。 在一方面,阴端子用于电池组的端子块中,以防止与端子接触的异物。 在一方面,电池组的端子块中的端子交错或分散以减少短路的可能性。 在本发明的一个方面中,当电池组不与无绳装置或充电器配合以保护电池组的端子块时,电池组具有闭合的收集门。 在本发明的一个方面,在至少一个无绳系统部件的端子块中使用多弹簧分离接触端子。 在本发明的一个方面,电池单元是锂离子电池单元。
    • 5. 发明授权
    • AC/DC chopper for power tool
    • 交流/直流斩波器用于电动工具
    • US06286609B1
    • 2001-09-11
    • US09526682
    • 2000-03-16
    • David A. CarrierAndrew E. Seman, Jr.Christopher R. YahnkerSamuel G. Woods
    • David A. CarrierAndrew E. Seman, Jr.Christopher R. YahnkerSamuel G. Woods
    • H02J700
    • B25F5/008B25F5/02H02H7/0852H02J7/0065H02J7/34H02M1/10H02M3/155H02M2003/1555H02P7/288H02P7/291
    • A dual-mode system for inexpensively operating electrically powered double-insulated devices (12), such as hand-held power tools and appliances. The system includes a cordless battery power module (14) that supplies the power and current demands of the device (12) in a cordless mode or a chopper module (21) that supplies the necessary power and current demands in a physical envelope commensurate in size and interchangeable with that of the battery power module (14). The chopper module (21) is provided with a non-filtered high efficiency converter circuit that allows the chopper module (21) to generate the power and current required by the driven device (12). The inductance of the motor (11) for the driven device (12) is used to filter the output of the chopper module (21). Eliminating the output filter from the chopper module (16) significantly reduces the cost and size of the module (16). Additionally, the need for multiple battery packs and fast rechargers is minimized by the availability of a low-cost converter. The line power module (16) includes an EMI filter (15) for filtering AC or DC input power. The chopper module (21) chops the filtered voltage, providing a series of voltage pulses having a DC voltage level that is suitable for driving the motor (11).
    • 一种用于廉价操作电动双重绝缘装置(12)的双模式系统,例如手持电动工具和电器。 该系统包括无绳电池电源模块(14),其在无绳模式或斩波器模块(21)中提供设备(12)的电力和电流需求,其将必需的电力和电流需求提供在尺寸相当的物理外壳中 并且可与电池电源模块(14)的装置互换。 斩波器模块(21)设置有非滤波高效转换器电路,其允许斩波器模块(21)产生被驱动装置(12)所需的功率和电流。 用于驱动装置(12)的电机(11)的电感用于对斩波器模块(21)的输出进行滤波。 消除来自斩波器模块(16)的输出滤波器显着地降低了模块(16)的成本和尺寸。 此外,通过低成本转换器的可用性,可以最大程度地减少对多个电池组和快速充电器的需求。 线路电源模块(16)包括用于滤波AC或DC输入电力的EMI滤波器(15)。 斩波器模块(21)斩波滤波电压,提供一系列具有适于驱动电动机(11)的DC电压电平的电压脉冲。
    • 9. 发明申请
    • METHOD FOR BALANCING CELLS IN A BATTERY PACK
    • 用于在电池组中平衡电池的方法
    • US20090096421A1
    • 2009-04-16
    • US12245957
    • 2008-10-06
    • Andrew E. Seman, JR.
    • Andrew E. Seman, JR.
    • H02J7/00H02J7/04
    • H02J7/0016
    • A method is provided for charging a plurality of cells in a battery pack to a target charging value. The method includes: delivering a charging current to the plurality of cells; monitoring cell voltage of each cell in the plurality of cells to determine when at least one of the cells reaches the target charging value; and diverting the charging current around the cells having reached the target charging value and cooperatively adjusting the charging current so that a current received by the cells having reached the target charging value is substantially zero.
    • 提供了一种用于将电池组中的多个电池充电到目标充电值的方法。 该方法包括:向多个单元传送充电电流; 监视所述多个单元中的每个单元的单元电压,以确定所述单元中的至少一个何时达到所述目标充电值; 并且使已经达到目标充电值的电池周围的充电电流转向,并且协调地调节充电电流,使得由已经达到目标充电值的电池接收的电流基本为零。