Patents by Inventor Fangshi Liu
Fangshi Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250151642Abstract: A rain sensor includes a base, where the base has an upper end face and a lower end face, which are opposite to each other. The rain sensor also includes a first electrode and a second electrodes disposed in the base and a protrusion body. The first electrode has an upper end that is exposed at least partially out of the upper end face of the base. The second electrode has an upper end that is exposed at least partially out of the upper end of the base. The protrusion body is at least partially disposed directly above the upper end face.Type: ApplicationFiled: January 15, 2025Publication date: May 15, 2025Inventors: Miaowu MA, Jian XIONG, Fangshi LIU
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Patent number: 12282332Abstract: An automatic working system that includes a self-moving device and a positioning device. The self-moving device includes a movement module, a task execution module. The positioning device is configured to detect a current position of the self-moving device. The automatic working system includes: a storage unit, configured to store a working area map, and: a map confirmation procedure, which including: providing a drive circuit instruction to move along a working area boundary, and receiving a confirmation signal from a user to complete the map confirmation procedure; and a working procedure including providing a drive circuit instruction to move within a working area defined by the map and execute the working task; and a control module, configured to monitor an output of the positioning device to execute the map confirmation procedure and execute the working procedure after the map confirmation procedure is completed.Type: GrantFiled: January 31, 2022Date of Patent: April 22, 2025Assignee: Positec Power Tools (Suzhou) Co., LTD.Inventors: Yong Shao, Chang Zhou, Fangshi Liu
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Publication number: 20250100418Abstract: Provided are a power supply management circuit, a function module, an autonomous operation device and a control system.Type: ApplicationFiled: January 28, 2023Publication date: March 27, 2025Applicant: ZHEJIANG SUNSEEKER INDUSTRIAL CO., LTD.Inventors: Fangshi LIU, Jiangwei CUI, Zhicheng WANG
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Patent number: 12233734Abstract: An autonomous moving device wireless charging system, including an autonomous moving device and a wireless charging station, the wireless charging station includes a wireless charging transmitting end; the autonomous moving device includes: a wireless charging receiving end, the wireless charging transmitting end wirelessly transmits a charging signal to the wireless charging receiving end to transmit electric energy; a charging battery, electrically connected to the wireless charging receiving end, to receive the electric energy transmitted from the wireless charging receiving end; a wireless charging locating module, the wireless charging locating module determines whether the autonomous moving device is at a charging location; a driving module; and a control module, connected to the wireless charging locating module and driving module, when the wireless charging locating module determines that the autonomous moving device is at the charging location, controlling the driving module, to make the autonomous mType: GrantFiled: April 2, 2021Date of Patent: February 25, 2025Assignee: Positec Power Tools (Suzhou) Co., LTD.Inventors: Fangshi Liu, Gen Sun, Yongming Dong, Chang Zhou, Shiping Jiao, Jiang Du
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Patent number: 12201055Abstract: An autonomous working system includes an autonomous working apparatus and a second apparatus independent of the autonomous working apparatus. The autonomous working system includes a control circuit, wherein the control circuit includes a rain sensor, including a first electrode and a second electrode; a switching circuit, connected to the first electrode and the second electrode, and configured to operatively exchange the polarities of the first electrode and the second electrode; a detection module, configured to obtain an electrical signal of the rain sensor; a judgement module, configured to determine whether the electrical signal and a first threshold satisfy a first relationship; and a behavior control module, configured to control the autonomous working apparatus to change the behavior status when it is determined that the electrical signal and the first threshold satisfy the first relationship.Type: GrantFiled: March 3, 2021Date of Patent: January 21, 2025Assignee: SHANGHAI SUNSEEKER ROBOTIC TECHNOLOGY CO., LTD.Inventors: Miaowu Ma, Jian Xiong, Fangshi Liu
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Patent number: 12061476Abstract: A returning method of a self-moving device, a self-moving device are provided. In the returning method, a self-moving device autonomously moves inside a working region based on a map. Specifically, the method includes: acquiring a current position of the self-moving device in the working region; selecting a return path to a target position according to the current position; determining a reuse status of the return path, determining, based on the reuse status of the return path, whether to reselect a return path; and enabling the self-moving device to return to the target position along the selected return path.Type: GrantFiled: November 12, 2021Date of Patent: August 13, 2024Assignee: Positec Power Tools (Suzhou) Co., LtdInventors: Chang Zhou, Yiyun Tan, Yong Shao, Fangshi Liu, Ka Tat Kelvin Wong
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Publication number: 20230240176Abstract: An autonomous mower includes a housing; a mowing module, a traveling module, an information collection device, an energy module, a control module and the control module includes an identification unit, and an alarm module. The autonomous mower has a security patrol working mode in which the identification unit analyzes and judges whether an abnormal object exists in the working area according to the information collected by the information collection device; if the abnormal object exists, the control module controls the alarm module to send an alarm signal to the outside. Therefore, the autonomous mower can achieve a security patrol function in addition to having a function of trimming the lawn. The autonomous mower has multiple uses, so as to save the cost.Type: ApplicationFiled: April 10, 2023Publication date: August 3, 2023Inventors: Fangshi LIU, Yong SHAO, Xiahong ZHA, Jiaofeng TIAN
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Publication number: 20230240175Abstract: An autonomous mower including a housing; a mowing module, a traveling module, an information collection device, an energy module, a control module and the control module includes an identification unit, and an alarm module. The autonomous mower has a security patrol working mode in which the identification unit analyzes and judges whether an abnormal object exists in the working area according to the information collected by the information collection device; if the abnormal object exists, the control module controls the alarm module to send an alarm signal to the outside. Therefore, the autonomous mower can achieve a security patrol function in addition to having a function of trimming the lawn. The autonomous mower has multiple uses, so as to save the cost.Type: ApplicationFiled: April 6, 2023Publication date: August 3, 2023Inventors: Fangshi Liu, Yong Shao, Xiahong Zha, Jiaofeng Tian
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Patent number: 11622499Abstract: An autonomous mower including a housing; a mowing module, a traveling module, an information collection device, an energy module, a control module and the control module includes an identification unit, and an alarm module. The autonomous mower has a security patrol working mode in which the identification unit analyzes and judges whether an abnormal object exists in the working area according to the information collected by the information collection device; if the abnormal object exists, the control module controls the alarm module to send an alarm signal to the outside. Therefore, the autonomous mower can achieve a security patrol function in addition to having a function of trimming the lawn. The autonomous mower has multiple uses, so as to save the cost.Type: GrantFiled: December 18, 2019Date of Patent: April 11, 2023Assignee: Positec Power Tools (Suzhou) Co., Ltd.Inventors: Fangshi Liu, Yong Shao, Xiahong Zha, Jiaofeng Tian
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Patent number: 11601002Abstract: This invention discloses an electrical energy transmission apparatus. The electrical energy transmission apparatus includes an input component which is connected to a direct current (DC) energy storage component, an output component which comprises an alternating current (AC) device interface used to connect an AC device, and an adapter component which transfers electrical energy from the input component to the output component. The adapter component comprises a DC driving unit and an AC driving unit. The DC driving unit converts energy of the DC energy storage component into a DC power. The AC driving unit converts energy of the DC energy storage component into an AC power. At least one of the DC driving unit and the AC driving unit is connected to the AC device interface.Type: GrantFiled: August 4, 2020Date of Patent: March 7, 2023Assignee: POSITEC POWER TOOLS (SUZHOU) CO., LTD.Inventors: Zhendong Gao, Guoliang Mu, Fangshi Liu
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Publication number: 20230017821Abstract: An autonomous working system includes an autonomous working apparatus and a second apparatus independent of the autonomous working apparatus. The autonomous working system includes a control circuit, wherein the control circuit includes a rain sensor, including a first electrode and a second electrode; a switching circuit, connected to the first electrode and the second electrode, and configured to operatively exchange the polarities of the first electrode and the second electrode; a detection module, configured to obtain an electrical signal of the rain sensor; a judgement module, configured to determine whether the electrical signal and a first threshold satisfy a first relationship; and a behavior control module, configured to control the autonomous working apparatus to change the behavior status when it is determined that the electrical signal and the first threshold satisfy the first relationship.Type: ApplicationFiled: March 3, 2021Publication date: January 19, 2023Inventors: Miaowu MA, Jian XIONG, Fangshi LIU
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Publication number: 20220300008Abstract: An automatic working system that includes a self-moving device and a positioning device. The self-moving device includes a movement module, a task execution module. The positioning device is configured to detect a current position of the self-moving device. The automatic working system includes: a storage unit, configured to store a working area map, and: a map confirmation procedure, which including: providing a drive circuit instruction to move along a working area boundary, and receiving a confirmation signal from a user to complete the map confirmation procedure; and a working procedure including providing a drive circuit instruction to move within a working area defined by the map and execute the working task; and a control module, configured to monitor an output of the positioning device to execute the map confirmation procedure and execute the working procedure after the map confirmation procedure is completed.Type: ApplicationFiled: January 31, 2022Publication date: September 22, 2022Inventors: Yong SHAO, Chang ZHOU, Fangshi LIU
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Patent number: 11442448Abstract: The invention relates to a method for providing an alarm about a positioning fault in a self-moving device. A self-moving device is configured to autonomously move, based on positioning of the self-moving device, inside a working region defined on a map. The method includes: receiving positioning data from a satellite positioning system to locate the self-moving device; detecting whether a positioning fault occurs in the self-moving device; and in response to a detected positioning fault that occurs in the self-moving device, providing an alarm about the positioning fault.Type: GrantFiled: June 14, 2019Date of Patent: September 13, 2022Assignee: Positec Power Tools (Suzhou) Co., Ltd.Inventors: Mingming He, Yong Shao, Chang Zhou, Yiyun Tan, Fangshi Liu, Shiping Jiao
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Publication number: 20220272914Abstract: The present invention relates to an intelligent gardening system, for monitoring and controlling gardening apparatuses in a gardening area, including: multiple sensors that collect environmental information of the gardening area; one or more gardening apparatuses that perform gardening work according to a control instruction; and a control center that generates the control instruction based on the environmental information; wherein the sensors, the gardening apparatuses and the control center communicate with each other to form an Internet of Things.Type: ApplicationFiled: May 13, 2022Publication date: September 1, 2022Inventors: Mingming He, Gen Sun, Yue Rao, Yong Shao, Fangshi Liu, Jun Wu, Chang Zhou
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Patent number: 11378979Abstract: A method for positioning an autonomous moving device includes steps of: acquiring a current positioning signal of an autonomous moving device during a moving process, and a reference positioning signal of the autonomous moving device before the current positioning signal; resolving the reference positioning signal and the current positioning signal to acquire error data; and processing the error data and position information of the reference positioning signal to acquire current position information of the autonomous moving device.Type: GrantFiled: May 25, 2018Date of Patent: July 5, 2022Assignee: Positec Power Tools (Suzhou) Co., Ltd.Inventors: Chang Zhou, Yiyun Tan, Yong Shao, Fangshi Liu, Mingming He
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Patent number: 11330771Abstract: The present invention relates to an intelligent gardening system, for monitoring and controlling gardening apparatuses in a gardening area, including: multiple sensors that collect environmental information of the gardening area; one or more gardening apparatuses that perform gardening work according to a control instruction; and a control center that generates the control instruction based on the environmental information; wherein the sensors, the gardening apparatuses and the control center communicate with each other to form an Internet of Things.Type: GrantFiled: September 3, 2020Date of Patent: May 17, 2022Assignee: POSITEC POWER TOOLS (SUZHOU) CO., LTD.Inventors: Mingming He, Gen Sun, Yue Rao, Yong Shao, Fangshi Liu, Jun Wu, Chang Zhou
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Publication number: 20220075376Abstract: A returning method of a self-moving device, a self-moving device are provided. In the returning method, a self-moving device autonomously moves inside a working region based on a map. Specifically, the method includes: acquiring a current position of the self-moving device in the working region; selecting a return path to a target position according to the current position; determining a reuse status of the return path, determining, based on the reuse status of the return path, whether to reselect a return path; and enabling the self-moving device to return to the target position along the selected return path.Type: ApplicationFiled: November 12, 2021Publication date: March 10, 2022Inventors: Chang Zhou, Yiyun Tan, Yong Shao, Fangshi Liu, Ka Tat Kelvin Wong
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Patent number: 11269349Abstract: The present invention relates to an automatic working system, including a self-moving device and a positioning device. The self-moving device includes a movement module, a task execution module. The positioning device is configured to detect a current position of the self-moving device. The automatic working system includes: a storage unit, configured to store a working area map, and: a map confirmation procedure, which including: providing a drive circuit instruction to move along a working area boundary, and receiving a confirmation signal from a user to complete the map confirmation procedure; and a working procedure including providing a drive circuit instruction to move within a working area defined by the map and execute the working task; and a control module, configured to monitor an output of the positioning device to execute the map confirmation procedure and execute the working procedure after the map confirmation procedure is completed.Type: GrantFiled: May 10, 2019Date of Patent: March 8, 2022Assignee: Positec Power Tools (Suzhou) Co., LtdInventors: Yong Shao, Chang Zhou, Fangshi Liu
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Patent number: 11161422Abstract: A wireless charging station for charging an automatic mower including a cutting device, an energy storage unit, a wireless electric energy transmitter and a wireless electric energy receiver electrically connected with the energy storage unit. The wireless charging station is at least partially located in a movement range of the automatic mower, and the top of the wireless charging station is lower than the bottom of the cutting device. An automatic mower matching the wireless charging station and an automatic mowing system using the wireless charging station and the automatic mower is further provided. The wireless charging station, the automatic mower, and the automatic mowing system enable the automatic mower to trim a lawn closer to the charging station, reduce a cutting corner in a movable range of the automatic mower, and improve trimming capability of the automatic mower for the lawn.Type: GrantFiled: August 7, 2015Date of Patent: November 2, 2021Assignee: Positec Power Tools (Suzhou) Co., Ltd.Inventors: Paolo Andriolo, Fangshi Liu
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Publication number: 20210221246Abstract: An autonomous moving device wireless charging system, including an autonomous moving device and a wireless charging station, the wireless charging station includes a wireless charging transmitting end; the autonomous moving device includes: a wireless charging receiving end, the wireless charging transmitting end wirelessly transmits a charging signal to the wireless charging receiving end to transmit electric energy; a charging battery, electrically connected to the wireless charging receiving end, to receive the electric energy transmitted from the wireless charging receiving end; a wireless charging locating module, the wireless charging locating module determines whether the autonomous moving device is at a charging location; a driving module; and a control module, connected to the wireless charging locating module and driving module, when the wireless charging locating module determines that the autonomous moving device is at the charging location, controlling the driving module, to make the autonomous mType: ApplicationFiled: April 2, 2021Publication date: July 22, 2021Inventors: Fangshi Liu, Gen Sun, Yongming Dong, Chang Zhou, Shiping Jiao, Jiang Du