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).

  • Patent number: 10791684
    Abstract: 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: Grant
    Filed: January 29, 2016
    Date of Patent: October 6, 2020
    Assignee: POSITEC POWER TOOLS (SUZHOU) CO., LTD
    Inventors: Mingming He, Gen Sun, Yue Rao, Yong Shao, Fangshi Liu, Jun Wu, Chang Zhou
  • Patent number: 10749430
    Abstract: 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: Grant
    Filed: September 12, 2017
    Date of Patent: August 18, 2020
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Zhendong Gao, Guoliang Mu, Fangshi Liu
  • Publication number: 20200120863
    Abstract: 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: Application
    Filed: December 18, 2019
    Publication date: April 23, 2020
    Inventors: Fangshi Liu, Yong Shao, Xiahong Zha, Jiaofeng Tian
  • Publication number: 20190369640
    Abstract: 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: Application
    Filed: June 14, 2019
    Publication date: December 5, 2019
    Inventors: Mingming He, Yong Shao, Chang Zhou, Yiyun Tan, Fangshi Liu, Shiping Jiao
  • Publication number: 20190369620
    Abstract: 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: Application
    Filed: June 14, 2019
    Publication date: December 5, 2019
    Inventors: Chang ZHOU, Yiyun TAN, Yong SHAO, Fangshi LIU, Ka Tat Kelvin WONG
  • Publication number: 20190346848
    Abstract: The present invention relates to a moving method of a self-moving device, including: presetting a preset movement path of a self-moving device; enabling the self-moving device to move along the preset movement path; and checking whether a moving direction of the self-moving device deviates from the preset movement path, and when the moving direction deviates from the preset movement path, calibrating the moving direction of the self-moving device to enable the self-moving device to move along the preset movement path, wherein, the preset movement path including several first path segments, the first path segment being divided into several sub-path segments, and an end point of the sub-path segment being referred to as a node; and the calibrating the moving direction of the self-moving device includes: calibrating the moving direction of the self-moving device by using the node as a target point.
    Type: Application
    Filed: June 12, 2019
    Publication date: November 14, 2019
    Inventors: Chang Zhou, Yiyun Tan, Fangshi Liu, Yong Shao
  • Patent number: 10444757
    Abstract: The present invention relates to a self-moving device, which moves and works in a working area defined by a limit and comprises a shell, a moving module, a task executing module and a control module; the control module controls the moving module to drive the self-moving device to move and controls the task executing module to execute a work task; the self-moving device comprising at least one capacitance sensor, which is mounted in the shell and electrically connected to the control module and detects whether a surface below the self-moving device or in front of a moving direction is a surface to be machined; the capacitance sensor comprises at least one probe, the probe comprises a probing surface located on the outer surface of the probe, and a conductivity of at least part of the probing surface is larger than or equal to 10?9 s/m; or a distance between the probe and the surface below the self-moving device meets a first preset condition; or an area of the probing surface meets a second preset condition.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: October 15, 2019
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Yongming Dong, Fangshi Liu, Zhendong Gao, Yiyun Tan
  • Publication number: 20190261557
    Abstract: The invention provides a grass trimmer and a cord delivering method for a grass trimmer, the grass trimmer comprises an extending rod, an housing, a grass trimming head, a handle, a main motor and a main switch, wherein the grass trimming head comprises a base, a cap and a spool having a first state relative static with the base, and the grass trimmer further comprises a cord delivering mechanism; the cord delivering mechanism comprises a cord delivering electronic switch independent of the main switch and a control device; and the cord delivering electronic switch operably electrically controls the control device to enable the spool to be in a second state capable of generating a rotary speed difference with the base. An operator does not need to interrupt work of the grass trimmer and can timely pay off required and the cord delivering operation is simple and convenient.
    Type: Application
    Filed: May 10, 2019
    Publication date: August 29, 2019
    Inventors: Yichun Ma, Shisong Zhang, Guoliang Mou, Hongfeng Zhong, Fangshi Liu, Xiaoli Pang, Robert Baker, Brandon Martin
  • Publication number: 20190265725
    Abstract: 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: Application
    Filed: May 10, 2019
    Publication date: August 29, 2019
    Inventors: Yong Shao, Chang Zhou, Fangshi Liu
  • Publication number: 20190187714
    Abstract: The invention relates to an automatic working system, including: a self-moving device, configured to move and work in a working area. The self-moving device includes an energy consumption device, where the energy consumption device includes a device that consumes energy for actuating the self-moving device; and the self-moving device further includes: a photoelectric conversion unit, where the photoelectric conversion unit receives optical energy and converts the received optical energy into electric energy; and an energy storage unit, configured to store the electric energy obtained by conversion by the photoelectric conversion unit, where effective working electric energy that is received by the energy consumption device from the photoelectric conversion unit and that is converted by the photoelectric conversion unit is greater than or equal to energy consumed by the energy consumption device to actuate the self-moving device.
    Type: Application
    Filed: February 18, 2019
    Publication date: June 20, 2019
    Inventors: Mingming He, Yiyun Tan, Fangshi Liu
  • Patent number: 10314228
    Abstract: The invention provides a grass trimmer and a cord delivering method for a grass trimmer, the grass trimmer comprises an extending rod, an housing, a grass trimming head, a handle, a main motor and a main switch, wherein the grass trimming head comprises a base, a cap and a spool having a first state relative static with the base, and the grass trimmer further comprises a cord delivering mechanism; the cord delivering mechanism comprises a cord delivering electronic switch independent of the main switch and a control device; and the cord delivering electronic switch operably electrically controls the control device to enable the spool to be in a second state capable of generating a rotary speed difference with the base. An operator does not need to interrupt work of the grass trimmer and can timely pay off required and the cord delivering operation is simple and convenient.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: June 11, 2019
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Yichun Ma, Shisong Zhang, Guoliang Mou, Hongfeng Zhong, Fangshi Liu, Xiaoli Pang, Robert Baker, Brandon Martin
  • Publication number: 20190141886
    Abstract: 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: Application
    Filed: January 10, 2019
    Publication date: May 16, 2019
    Inventors: Fangshi Liu, Yong Shao, Xiahong Zha, Jiaofeng Tian
  • Publication number: 20190049984
    Abstract: An automatic working system (100), and the automatic working system may include a moving device and a navigation device. The automatic working system obtains boundary information of a working area. The moving device may move and work in the working area. The navigation device may be detachably connected to the moving device. The navigation device may be configured to receive a location signal to determine position information of the navigation device or the connected moving device. The navigation device may be universal and may be connected with different moving devices, thereby reducing costs of a single moving device, and for an automatic working system including at least two moving devices, reducing overall costs of the automatic working system.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 14, 2019
    Inventors: Ka Tat Kelvin Wong, Chang Zhou, Fangshi Liu, Gen Sun
  • Publication number: 20180370376
    Abstract: 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 m
    Type: Application
    Filed: June 27, 2016
    Publication date: December 27, 2018
    Inventors: Fangshi Liu, Gen Sun, Yongming Dong, Chang Zhou, Shiping Jiao, Jiang Du
  • Publication number: 20180329420
    Abstract: The present invention relates to a self-moving device, which moves and works in a working area defined by a limit and comprises a shell, a moving module, a task executing module and a control module; the control module controls the moving module to drive the self-moving device to move and controls the task executing module to execute a work task; the self-moving device comprising at least one capacitance sensor, which is mounted in the shell and electrically connected to the control module and detects whether a surface below the self-moving device or in front of a moving direction is a surface to be machined; the capacitance sensor comprises at least one probe, the probe comprises a probing surface located on the outer surface of the probe, and a conductivity of at least part of the probing surface is larger than or equal to 10?9 s/m; or a distance between the probe and the surface below the self-moving device meets a first preset condition; or an area of the probing surface meets a second preset condition.
    Type: Application
    Filed: January 26, 2017
    Publication date: November 15, 2018
    Inventors: Yongming Dong, Fangshi Liu, Zhendong Gao, Yiyun Tan
  • Publication number: 20180081366
    Abstract: A self-moving robot system may comprise a signal generating device configured to generate a preset signal; a signal detecting device, configured to detect the preset signal and generate a detection result; a signal line configured to radiate or/and receive the preset signal; and a control unit disposed on a self-moving robot, wherein the control unit receives the detection result and controls the self-moving robot to move according to the detection result; one end of the signal line is connected to the signal generating device or/and the signal detecting device; the signal line unidirectionally extends from the end, and the signal line does not constitute a circuitry loop. The system can realize judging a working area and/or guiding returning of the self-moving robot by a non-closed signal line, to thereby simplify arrangement of the border line or guide line, and improve the user experience.
    Type: Application
    Filed: October 20, 2017
    Publication date: March 22, 2018
    Inventors: Yiyun Tan, Yong Shao, Fangshi Liu, Gen Sun, Chang Zhou, Guoliang Mou, Sun Xifeng
  • Patent number: 9872429
    Abstract: The invention provides a grass trimmer and a cord delivering method for a grass trimmer, the grass trimmer comprises an extending rod, an housing, a grass trimming head, a handle, a main motor and a main switch, wherein the grass trimming head comprises a base, a cap and a spool having a first state relative static with the base, and the grass trimmer further comprises a cord delivering mechanism; the cord delivering mechanism comprises a cord delivering electronic switch independent of the main switch and a control device; and the cord delivering electronic switch operably electrically controls the control device to enable the spool to be in a second state capable of generating a rotary speed difference with the base. An operator does not need to interrupt work of the grass trimmer and can timely pay off required and the cord delivering operation is simple and convenient.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: January 23, 2018
    Assignee: POSITEC POWER TOOLS (SUZHOU) CO., LTD.
    Inventors: Yichun Ma, Shisong Zhang, Guoliang Mou, Hongfeng Zhong, Fangshi Liu, Xiaoli Pang, Robert Baker, Brandon Martin
  • Publication number: 20180000025
    Abstract: 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: Application
    Filed: January 29, 2016
    Publication date: January 4, 2018
    Inventors: Mingming HE, Gen SUN, Yue RAO, Yong SHAO, Fangshi LIU, Jun WU, Chang ZHOU
  • Publication number: 20170215336
    Abstract: A wireless charging station is provided for charging an automatic mower, the automatic mower including a cutting device, an energy storage unit and a wireless electric energy receiver, the wireless electric energy receiver being electrically connected with the energy storage unit. The wireless charging station includes a wireless electric energy transmitter. 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.
    Type: Application
    Filed: August 7, 2015
    Publication date: August 3, 2017
    Applicant: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Paolo Andriolo, Fangshi Liu
  • Publication number: 20160345493
    Abstract: The invention provides a grass trimmer and a cord delivering method for a grass trimmer, the grass trimmer comprises an extending rod, an housing, a grass trimming head, a handle, a main motor and a main switch, wherein the grass trimming head comprises a base, a cap and a spool having a first state relative static with the base, and the grass trimmer further comprises a cord delivering mechanism; the cord delivering mechanism comprises a cord delivering electronic switch independent of the main switch and a control device; and the cord delivering electronic switch operably electrically controls the control device to enable the spool to be in a second state capable of generating a rotary speed difference with the base. An operator does not need to interrupt work of the grass trimmer and can timely pay off required and the cord delivering operation is simple and convenient.
    Type: Application
    Filed: August 15, 2016
    Publication date: December 1, 2016
    Applicant: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Yichun MA, Shisong ZHANG, Guoliang MOU, Hongfeng ZHONG, Fangshi LIU, Xiaoli PANG, Robert BAKER, Brandon MARTIN