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公开(公告)号：US20240088678A1
公开(公告)日：2024-03-14
申请号：US18515300
申请日：2023-11-21
发明人： Ming Luo , Chuanjun Liu , Xian Zhuang
CPC分类号： H02J7/0016 , H02J1/106 , H02J7/0019
摘要： The invention provides a voltage balancing system for balancing controlling of voltage of battery cells including a first set of battery cells and a second set of battery cells connected in series. The system includes a high-side analog front end (AFE) connected to the first set of battery cells, a low-side analog front end (AFE) connected to the second set of battery cells, a microcontroller communicating with the high-side AFE and the low-side AFE, and a communication isolating module interconnecting between the high-side AFE and the microcontroller. The system further includes a balancing module arranged at a back end of the low-side AFE or the high-side AFE to equalize voltages output by the low-side AFE and the high-side AFE. Compared with the prior arts, the system employs a balancing module to balance the voltages of the two sets of battery cells, which can shorten the voltage difference therebetween.
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公开(公告)号：US20240088506A1
公开(公告)日：2024-03-14
申请号：US18519071
申请日：2023-11-27
发明人： Ming LUO , Xian ZHUANG , Baoan LI , Chuntao LU , An YAN , Xiaohui HUO , Zhiyuan LI
IPC分类号： H01M50/247 , H01M10/42 , H01M50/264 , H01M50/284 , H01M50/296
CPC分类号： H01M50/247 , H01M10/4257 , H01M50/264 , H01M50/284 , H01M50/296 , H01M2220/30
摘要： The disclosure provides a battery pack, a power tool system and a charging system. The battery pack includes a battery pack housing in which a battery cell assembly and a circuit board are mounted. The circuit board is electrically connected with the battery cell assembly. A plurality of Type-C connectors are arranged on the circuit board and electrically connected to the circuit board to realize an electrical connection between the battery cell assembly and the Type-C connectors, and are configured to connect external devices.
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公开(公告)号：US20240074348A1
公开(公告)日：2024-03-07
申请号：US18261277
申请日：2022-01-29
发明人： Bing TIAN , Zhibing LIU
摘要： The disclosure provides an outdoor work tool. The outdoor work tool includes a main body, a cutter assembly, a power assembly and a traveling wheel. The cutter assembly is configured to realize functions of the outdoor work tool. The power assembly supplies power for the cutter assembly. The traveling wheel is configured to support the main body and drive the main body to move. At least two of the traveling wheels are provided with hub motors. The hub motor is an outer rotor motor. An output shaft of the hub motor is connected with the traveling wheel, so that the hub motor may rotate coaxially with the traveling wheel. An outer diameter of the traveling wheel is from 10.16 cm to 38.1 cm. A rotation speed of the hub motor is less than or equal to 563 r/min.
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公开(公告)号：US20230415325A1
公开(公告)日：2023-12-28
申请号：US18465142
申请日：2023-09-11
CPC分类号： B25F5/008 , H02K5/207 , E01H5/098 , H02K9/02 , H02K11/0094
摘要： The disclosure provides a power head and an outdoor power equipment using the same. The power head includes a housing assembly, a motor assembly and a battery pack assembly. The housing assembly includes a first housing and a second housing. The first housing and the second housing defines a housing space. The motor assembly is arranged in the housing space. The motor assembly includes a motor. One end of an output shaft of the motor extends to outside of the housing assembly. The battery pack assembly is arranged inside the housing space. The battery pack assembly supplies power for the motor assembly.
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公开(公告)号：US20230291241A1
公开(公告)日：2023-09-14
申请号：US18186958
申请日：2023-03-21
发明人： Xian ZHUANG , Ming LUO , Chuanjun LIU , Baoan LI , Zhiyuan LI
CPC分类号： H02J50/10 , H02J7/0048 , H02J7/0031 , H02J7/0044 , B25F5/02 , H01M10/46 , H01M10/44 , H01M2220/30
摘要： The disclosure provides a battery pack, a tool system, a charging system, an adapter and using methods thereof. The battery pack comprises a battery assembly, a charging assembly and a discharging assembly. The charging assembly matches the battery assembly to charge the battery assembly by an external power source. The discharging assembly matches the battery assembly to supply power to the electric equipment through the battery assembly. The discharging assembly comprises a discharging coil and a discharging integration module matched with the discharging coil, so that the battery assembly outputs electrical energy through the discharging assembly in a non-contact manner.
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公开(公告)号：US20230270058A1
公开(公告)日：2023-08-31
申请号：US18313377
申请日：2023-05-08
发明人： Xudong Yang , Yabin Tang , Yunjie Shangguan
CPC分类号： A01G20/47 , F04D25/0673 , F04D25/082 , F04D29/664
摘要： The disclosure provides a backpack blower, a backpack assembly and a backpack power assembly. The backpack blower includes a backpack assembly and a blower body. The backpack assembly is used for an operator to carry and comprises a battery pack cavity to house a battery pack. The blower body is mounted on the backpack assembly. The battery pack supplies power to the blower body. The blower body includes a motor duct assembly, an air inlet assembly assembled and fixed with the backpack assembly, and an air outlet assembly connected with the air inlet assembly. The air inlet assembly includes an air inlet and an air inlet tube connected to the air inlet. The air inlet tube is connected with the air outlet assembly. The motor duct assembly is housed in the air outlet assembly.
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公开(公告)号：US20230244243A1
公开(公告)日：2023-08-03
申请号：US18299054
申请日：2023-04-12
发明人： André LUNDKVIST , Daniel TRUONG , Jonas AHNSTROEM
CPC分类号： G05D1/0265 , A01D34/008 , G05D1/0268 , A01D2101/00
摘要： A method navigates a robotic mower (2) comprising at least one sensor (12; 14). The method comprises detecting (S101), by means of the at least one sensor (12, 14), at least one signal from a wire (8) as a first signal source; controlling (S106) the robotic mower (2) to follow the wire (8) at a first distance (D1) to the wire (8); detecting (S108), by means of the at least one sensor (12, 14), at least one signal from a second signal source; detecting (S109) a second distance (D2) based on the at least one signal from the second signal source; and navigating (S110) the robotic mower (2) along a path determined based on the first distance (D1) and the second distance (D2).
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公开(公告)号：US20230217861A1
公开(公告)日：2023-07-13
申请号：US18122120
申请日：2023-03-15
发明人： Qunli Wei , Dongdong Shi , Linchong Wu , Jiafu Xue , Hui Chen
CPC分类号： A01D34/64 , A01D34/001 , A01D2101/00
摘要： A riding lawn mower includes a frame, a mowing device mounted to the bottom of the frame, a functional unit attached to the front of the frame, and a motor group together with a power supply mounted to the frame. The riding lawn mower also comprises a connecting device connecting the frame and the functional unit. The connecting device comprises a first connector attached on the front of the frame, a second connector attached to the functional unit, and a third connector adapted for fixedly connecting the first connector and the second connector, the first connector and the second connector respectively defining through-holes thereon, the third connector extending through the through-holes of the first and the second connectors to fixedly connect the first and the second connectors.
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公开(公告)号：US20230200311A1
公开(公告)日：2023-06-29
申请号：US18117050
申请日：2023-03-03
发明人： Daoyin Zhou , Yunjie Shangguan
CPC分类号： A01G20/47 , F04D25/0673 , F04D25/08 , E01H1/08 , F04D25/16 , A47L5/14 , E01H1/0863
摘要： A backpack tool apparatus including a backpack assembly and at least one tool. The backpack assembly includes a casing and at least one battery pack received in the casing. The at least one tool is connected to the casing and electrically connected to the battery pack. The backpack tool apparatus may be provided with multiple tools to simultaneously realize different operations and functions. Moreover, the tools may be configured to be detachably connected to the backpack assembly, and may be replaced with different tools to realize different operations and functions according to needs.
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