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公开(公告)号：US09979208B2
公开(公告)日：2018-05-22
申请号：US15369261
申请日：2016-12-05
Applicant: CHERVON (HK) LIMITED
Inventor： Dezhong Yang , Qichun Zhang , Haishen Xu , Junya Duan , Hao Du
CPC classification number: H02J7/0013 , A01D34/00 , A01D69/02 , A01D2101/00 , G01K7/01 , G01K13/00 , H02J7/007
Abstract: A tool discharges one battery pack and a charger simultaneously charges another battery pack to provide for continuous and circular operation of the tool. Tool system includes a tool and a lithium based battery pack having a nominal voltage of at least 56 volts for supplying power to the tool. A heat absorbing device is associated with the battery pack and includes a phase-change material.
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公开(公告)号：US20140312843A1
公开(公告)日：2014-10-23
申请号：US14033906
申请日：2013-09-23
Applicant: Chervon (HK) Limited
Inventor： Ming Chen , Junya Duan , Xiaohong Lin
IPC: H02J7/00
CPC classification number: H02J7/0047 , H01M10/44 , H01M10/48 , H01M10/486 , H01M10/613 , H01M10/6563 , H02J7/0042
Abstract: A battery pack cooling and charging device includes a charging module for a battery pack, a cooling fan, a power source module and a cooling fan control module. The cooling fan control module is capable of controlling the cooling fan for cooling and is connected with the cooling fan. During the charging operation, a rotational speed of the cooling fan for cooling the battery pack and a charging module is changed by detecting parameters such as fan operation time, a battery pack internal resistance, a charging module temperature, and a battery pack voltage. The rotational speed of the cooling fan is reasonably adjusted, thus noise of the cooling fan is reduced and energy consumption is reduced according to different phases of the charging process by regarding one parameter or combinations of parameters as conditions for changing the rotational speed of the fan.
Abstract translation: 一种电池组冷却和充电装置，包括用于电池组的充电模块，冷却风扇，电源模块和冷却风扇控制模块。 冷却风扇控制模块能够控制冷却风扇进行冷却，并与冷却风扇连接。 在充电操作期间，通过检测诸如风扇操作时间，电池组内部电阻，充电模块温度和电池组电压的参数来改变用于冷却电池组的冷却风扇的旋转速度和充电模块。 冷却风扇的旋转速度被适当地调节，因此通过将一个参数或参数组合作为改变风扇转速的条件，根据充电过程的不同阶段降低冷却风扇的噪音并降低能量消耗 。
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公开(公告)号：US20170149254A1
公开(公告)日：2017-05-25
申请号：US15369261
申请日：2016-12-05
Applicant: CHERVON (HK) LIMITED
Inventor： Dezhong Yang , Qichun Zhang , Haishen Xu , Junya Duan , Hao Du
CPC classification number: H02J7/0013 , A01D34/00 , A01D69/02 , A01D2101/00 , G01K7/01 , G01K13/00 , H02J7/007
Abstract: A tool discharges one battery pack and a charger simultaneously charges another battery pack to provide for continuous and circular operation of the tool. Tool system includes a tool and a lithium based battery pack having a nominal voltage of at least 56 volts for supplying power to the tool. A heat absorbing device is associated with the battery pack and includes a phase-change material.
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公开(公告)号：US09608461B2
公开(公告)日：2017-03-28
申请号：US14033906
申请日：2013-09-23
Applicant: Chervon (HK) Limited
Inventor： Ming Chen , Junya Duan , Xiaohong Lin
IPC: H02J7/00 , H01M10/44 , H01M10/48 , H01M10/6563 , H01M10/613
CPC classification number: H02J7/0047 , H01M10/44 , H01M10/48 , H01M10/486 , H01M10/613 , H01M10/6563 , H02J7/0042
Abstract: A battery pack cooling and charging device includes a charging module for a battery pack, a cooling fan, a power source module and a cooling fan control module. The cooling fan control module is capable of controlling the cooling fan for cooling and is connected with the cooling fan. During the charging operation, a rotational speed of the cooling fan for cooling the battery pack and a charging module is changed by detecting parameters such as fan operation time, a battery pack internal resistance, a charging module temperature, and a battery pack voltage. The rotational speed of the cooling fan is reasonably adjusted, thus noise of the cooling fan is reduced and energy consumption is reduced according to different phases of the charging process by regarding one parameter or combinations of parameters as conditions for changing the rotational speed of the fan.
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