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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1 US2020215694A1
DYNAMIC REGION DIVISION AND REGION PASSAGE IDENTIFICATION METHODS AND CLEANING ROBOT
Publication/Patent Number: US2020215694A1 Publication Date: 2020-07-09 Application Number: 16/733,164 Filing Date: 2020-01-02 Inventor: Song, Qingxiang   Xu, Kaili   Zhu, Yongkang   Liu, Da   Zhang, Yibin   Shan, Junjie   Tang, Jinju   Assignee: Ecovacs robotics co ltd   IPC: B25J9/16 Abstract: Provided are dynamic region division and region passage identification methods and a cleaning robot. The dynamic region division method includes: acquiring environment information collected by a robot when working in a first region; determining whether the robot has completed a work task in the first region, when a presence of a passage entering a second region is determined based on the environment information; and complementing a boundary at the passage to block the passage, when the work task is not completed. According to the technical solution provided by the embodiment of the present application, the occurrence probability of repeated sweeping and miss sweeping is reduced, and the cleaning efficiency is high. In addition, the technical solution provided by the embodiment of the present application relies on the environment information collected during the work, rather than relying on historical map data, so that the environmental adaptability is high.
2 US10663322B2
Distance measuring device and method thereof for seeking distance measuring starting point
Publication/Patent Number: US10663322B2 Publication Date: 2020-05-26 Application Number: 15/038,395 Filing Date: 2014-11-21 Inventor: Tang, Jinju   Assignee: Ecovacs robotics co ltd   IPC: G01C3/08 Abstract: A distance measuring device comprises a motor (120), a control box (130) and a code disc (150). Relative rotation occurs between the control box (130) and the code disc (150) driven by the motor. A point position tooth (151A) is comprised on the code disc (150). The control box (130) comprises a distance measuring unit (142), a detection part (144) and a control unit (140). The detection part (144) comprises a light emitter (1440) and a light receiver (1441) which are correspondingly arranged. The control box (130) is rotated relative to the code disc (150), so that the point position tooth (151A) passes through a corresponding position between the light emitter (1440) and the light receiver (1441); the control unit (140) receives the signal output of the light receiver (1441), judges the information on alignment status of the point position tooth (151A) with the corresponding position, and sends a start or stop operation instruction to the distance measuring unit (142) on the basis of the status information. A method for seeking a distance measuring starting point is also provided, scan data is obtained by using a synchronous scanning mode of the code disc, and the starting point is judged on the basis of the output waveform of the code disc.
3 US10639795B2
Light spot indication robot and light spot indication method thereof
Publication/Patent Number: US10639795B2 Publication Date: 2020-05-05 Application Number: 15/109,374 Filing Date: 2014-12-31 Inventor: Tang, Jinju   Assignee: Ecovacs robotics co ltd   IPC: B25J9/16 Abstract: A light spot indication robot and a light spot indication method thereof are arranged. The light spot indication robot comprises a robot body which is arranged with a control module, a camera module and a laser indication module (100), wherein the laser indication module (100) emits a laser beam, the imaging module shoots to-be-indicated objects to form an image plane, the laser beam and the to-be-indicated object are projected onto the image plane to form a laser spot projection position and to-be-indicated object projection positions, respectively. The light spot indication robot is also arranged with a signal input module. According to content shown on the image plane of the to-be-indicated objects shot by the imaging module and input information of the signal input module, a target object among the to-be-indicated objects is determined. The control module controls the laser indication module to move, so as to cause the laser spot projection position to coincide with a projection position of the target object in the image plane. The present invention converts the location in a three-dimensional space into the location in a two-dimensional space, and has a small computation amount and a quick and accurate position indication.
4 US2020064481A1
AUTONOMOUS MOBILE DEVICE, CONTROL METHOD AND STORAGE MEDIUM
Publication/Patent Number: US2020064481A1 Publication Date: 2020-02-27 Application Number: 16/542,218 Filing Date: 2019-08-15 Inventor: Cen, Bin   Liu, Yang   Assignee: Ecovacs robotics co ltd   IPC: G01S17/93 Abstract: Embodiments of the present disclosure provide an autonomous mobile device, a control method and a storage medium. In the embodiments of the present disclosure, the autonomous mobile device performs environment sensing based on environment information acquired by an area array laser sensor to complete various functions, where the environment information acquired by the area array laser sensor comprises high-precision and high-resolution direction and distance information and reflectivity information to obtain environment characteristics with matching and identification values, with strong environment identification capability, and the spatial understanding of the autonomous mobile device on the environment can be improved. Compared with a sensing solution based on an image sensor, the area array laser sensor may provide more accurate distance and direction information and reduce the complexity of sensing operations, thereby improving real-time performance.
5 US2020253434A1
GLASS-WIPING ROBOT
Publication/Patent Number: US2020253434A1 Publication Date: 2020-08-13 Application Number: 16/863,887 Filing Date: 2020-04-30 Inventor: Lv, Xiaoming   Assignee: Ecovacs robotics co ltd   IPC: A47L3/00 Abstract: The present invention relates to the technical field of manufacturing of small appliances, and relates to a glass-wiping robot. The glass-wiping robot comprises a robot main body, a power cord and a safety buckle. The power cord is connected to the robot main body, and winds onto the safety buckle. The safety buckle is provided thereon with a suction cup. The safety buckle sucks on a glass via the suction cup. The glass-wiping robot of the present invention provides double protection and improved safety effects when the robot main body inadvertently falls off the window, allows for convenient fixing or moving of the safety buckle, and is convenient to carry.
6 US2020089235A1
SELF-MOVING ROBOT MOVEMENT BOUNDARY DETERMINING METHOD
Publication/Patent Number: US2020089235A1 Publication Date: 2020-03-19 Application Number: 16/691,419 Filing Date: 2019-11-21 Inventor: Tang, Jinju   Assignee: Ecovacs robotics co ltd   IPC: G05D1/02 Abstract: In a self-moving robot movement boundary delimiting method, in step 100: setting up three or more base stations in a movement area of a self-moving robot, and establishing a coordinate system; in step 200: artificially planning a movement path in the movement area of the self-moving robot, gathering sample points on the path, and determining the coordinates of the sample points in the coordinate system; and in step 300: delimiting a boundary according to the coordinates of the gathered sample points, and setting the self-moving robot to work inside or outside the boundary. The present invention achieves a regional division by distance measurement and positioning based on stationary base stations, thus improving accuracy and convenience compared to the prior art.
7 US2020061884A1
SURFACE CLEANING ROBOT AND PROCESS FOR MANUFACTURING TRACK THEREOF
Publication/Patent Number: US2020061884A1 Publication Date: 2020-02-27 Application Number: 16/467,300 Filing Date: 2017-12-07 Inventor: Sun, Qi   Assignee: Ecovacs robotics co ltd   IPC: B29C45/14 Abstract: Disclosed is a surface cleaning robot and a process for manufacturing a track thereof. The surface cleaning robot includes a body, where a walking unit is provided at the bottom of the body, the walking unit includes a track and a gear driving the track, the track includes a hard layer in the inner ring engaging with the gear and a soft layer in the outer ring contacting a cleaning surface, and the hard layer and the soft layer are nested and combined as a whole. The present disclosure adopts a composite track that closely nests and combines inner and outer rings of different materials.
8 US2020125103A1
METHOD OF TRAVEL CONTROL, DEVICE AND STORAGE MEDIUM
Publication/Patent Number: US2020125103A1 Publication Date: 2020-04-23 Application Number: 16/659,399 Filing Date: 2019-10-21 Inventor: Li, Yilan   Xie, Kaixuan   Assignee: Ecovacs robotics co ltd   IPC: G05D1/02 Abstract: The embodiments of the present disclosure provide a method of travel control, a device and a storage medium. In some exemplary embodiments of the present disclosure, a self-mobile device collects three-dimensional environment information on a travel path of itself in the travel process, identifies an obstacle area and a type thereof existing on the travel path of the self-mobile device based on the three-dimensional environment information, and the self-mobile device adopts different travel controls in a targeted manner for different types of the area, such that the obstacle avoidance performance of the self-mobile device is improved by adopting the method of the travel control in the present disclosure.
9 US2020100635A1
ROD-TYPE CLEANING COMPONENT AND DUST COLLECTOR WITH SAME
Publication/Patent Number: US2020100635A1 Publication Date: 2020-04-02 Application Number: 16/495,355 Filing Date: 2018-02-02 Inventor: Zhang, Zhiwei   Xue, Jincheng   Assignee: Ecovacs robotics co ltd   IPC: A47L7/00 Abstract: The present disclosure provides a rod-type cleaning component and a dust collector with the same. The rod-type cleaning component includes a rod body, the rod body includes a suction pipe connected with a suction inlet of a floor brush, a recycling tank for recycling sewage and a solution tank for providing clean liquid, a main unit joint is arranged at an upper end of the rod body, a floor brush joint is arranged at a lower end, and more than one separation ribs are arranged in an inner cavity of the suction pipe to divide the inner cavity into more than two chamber air ducts.
10 US2020023517A1
ROBOT CONTROL METHOD, ROBOT AND STORAGE MEDIUM
Publication/Patent Number: US2020023517A1 Publication Date: 2020-01-23 Application Number: 16/513,341 Filing Date: 2019-07-16 Inventor: Cen, Bin   Assignee: Ecovacs robotics co ltd   IPC: B25J9/16 Abstract: The embodiment of the present disclosure provides a robot control method, a robot and a storage medium. In the embodiment of the present disclosure, the robot determines a position when the robot is released from being hijacked based on relocalization operation; determines a task execution area according to environmental information around the position when the robot is released from being hijacked; and afterwards executes a task within the task execution area. Thus, the robot may flexibly determine the task execution area according to the environment in which the robot is released from being hijacked, without returning to the position when the robot is hijacked, to continue to execute the task, then acting according to local conditions is realized and the user requirements may be met as much as possible.
11 US2020297177A1
ANTI-STATIC VACUUM CLEANER
Publication/Patent Number: US2020297177A1 Publication Date: 2020-09-24 Application Number: 16/085,571 Filing Date: 2017-03-15 Inventor: Zhu, Wenchao   Zhang, Zhenhua   Assignee: Ecovacs robotics co ltd   IPC: A47L9/28 Abstract: An anti-static vacuum cleaner is provided, which comprises a machine body, in which components on the machine body include a dust collecting component, a main body and a dust collector; the suction portion is communicated with the dust collector arranged on the main body, and a handle is arranged on the main body; the components on the machine body at least form a static electricity generating portion; the handle is at least partially formed by a non-metal conductive material, and is electrically connected with the at least one static electricity generating portion through an electrically conductive assembly. Additionally, the handle may be made by a non-metal conductive material that can increase its contact area with the human body for efficiency of electrostatic conduction without affecting the feel of grasping, appearance and safety.
12 USD884298S1
Robotic cleaner
Publication/Patent Number: USD884298S1 Publication Date: 2020-05-12 Application Number: 29/660,767 Filing Date: 2018-08-22 Inventor: Li, Xiaowen   Zhou, Jinye   Xie, Jingya   He, Fang   Assignee: Ecovacs robotics co ltd   IPC:
13 USD883596S1
Suction device
Publication/Patent Number: USD883596S1 Publication Date: 2020-05-05 Application Number: 29/660,780 Filing Date: 2018-08-22 Inventor: Li, Xiaowen   He, Fang   Assignee: Ecovacs robotics co ltd   IPC:
14 US2020240815A1
DISTANCE MEASURING DEVICE AND METHOD THEREOF FOR SEEKING DISTANCE MEASURING STARTING POINT
Publication/Patent Number: US2020240815A1 Publication Date: 2020-07-30 Application Number: 16/851,020 Filing Date: 2020-04-16 Inventor: Tang, Jinju   Assignee: Ecovacs robotics co ltd   IPC: G01D5/347 Abstract: A distance measuring device includes a motor, a control box and a code discs which are relative rotate driven by the motor. A point position tooth is comprised on the code disc. The control box comprises a distance measuring unit, a detection part and a control unit. The detection part comprises a light emitter and a light receiver which are correspondingly arranged. The control box is rotated relative to the code disc, so that the point position tooth passes through a corresponding position between the light emitter and the light receiver; the control unit receives the signal output of the light receiver, judges the information on alignment status of the point position tooth with the corresponding position, and sends a start or stop operation instruction to the distance measuring unit on the basis of the status information. A method for seeking a distance measuring starting point is also provided.
15 US10610070B2
Suction apparatus, glass-wiping device, and run control method thereof
Publication/Patent Number: US10610070B2 Publication Date: 2020-04-07 Application Number: 15/976,041 Filing Date: 2018-05-10 Inventor: Lv, Xiaoming   Assignee: Ecovacs robotics co ltd   IPC: A47L1/02 Abstract: A suction apparatus, a glass-wiping device and a run control method thereof. The suction apparatus comprises a suction cup unit (1). The suction cup unit (1) comprises an inner suction cup (11) and an outer suction cup (12). The inner suction cup (11) is arranged on the inside of the outer suction cup (12). A chamber on the inside of the inner suction cup (11) forms an inner negative pressure chamber (13) via vacuum suction. A chamber between the inner and outer suction cups (11 and 12) forms an outer negative pressure chamber (14) via vacuum suction. The outer negative pressure chamber (14) is connected to a vacuum detection unit. The vacuum detection unit comprises a distensible piece (20) and a distension-sensing piece (21). The distensible piece (20) is sealedly connected onto an opening on the top end of the outer negative pressure chamber (14). The distensible piece (20) has arranged thereon the distension-sensing piece (21). The glass-wiping device is provided with the suction apparatus, when in cases of failure of the outer suction cup (12) in the suction apparatus and of failure of the outer negative pressure chamber (14), the glass-wiping device will take measures immediately to prevent an increased number of small protrusions from entering the inner suction cup (11), thus preventing the phenomenon of the glass-wiping device falling off a wall from occurrence.
16 US2020060497A1
SELF-CLEANING METHOD OF SELF-MOVING CLEANING ROBOT AND SELF-MOVING CLEANING ROBOT
Publication/Patent Number: US2020060497A1 Publication Date: 2020-02-27 Application Number: 16/611,814 Filing Date: 2018-04-17 Inventor: Tang, Zeheng   Wang, Shoumu   Assignee: Ecovacs robotics co ltd   IPC: A47L11/40 Abstract: Provided are a self-cleaning method of a self-moving cleaning robot and a self-moving cleaning robot which has both a working mode and a self-cleaning mode. When the self-moving cleaning robot needs to perform self-cleaning, the following steps are performed: controlling the robot to enter the self-cleaning mode; enabling the robot to start a self-cleaning action; and after a self-cleaning condition is satisfied, ending the self-cleaning mode. The present disclosure automatically clean part of the stains left at a rolling brush, a rolling brush cavity, a water suction port, a dust suction port and an air duct of the self-moving cleaning robot without changing an original working mode of the self-moving cleaning robot, and can prevent remaining pollutants from dropping onto a working surface to cause secondary pollution, is easy to operate and convenient to control, and can effectively realize a self-cleaning process of the self-moving cleaning robot.
17 US2020046192A1
CLEANING ROBOT
Publication/Patent Number: US2020046192A1 Publication Date: 2020-02-13 Application Number: 16/486,486 Filing Date: 2018-02-02 Inventor: Zhang, Lele   Assignee: Ecovacs robotics co ltd   IPC: A47L11/204 Abstract: A cleaning robot, includes a body provided with a dust box, a water tank, a cleaning unit disposed at a bottom of the body, a water outlet mechanism outputting liquid in the water tank through the water discharge pipeline and a water discharge pipeline independently disposed outside the water tank and at least partially located directly below the dust box, so that the capacity of the water tank is increased, without requiring adding water frequently, thereby prolonging the time of operation, the layout of various parts in the body is more compact and feasible, a longer water discharge pipeline enables the corresponding cleaning unit to be made larger, by which a working area of the robot is expanded and the working efficiency is enhanced, the probability for damage is reduced, and the service life of the machine is prolonged.
18 WO2020015548A1
ROBOT CONTROL METHOD, ROBOT AND STORAGE MEDIUM
Publication/Patent Number: WO2020015548A1 Publication Date: 2020-01-23 Application Number: 2019095146 Filing Date: 2019-07-08 Inventor: Cen, Bin   Assignee: Ecovacs robotics co ltd   IPC: B25J9/16 Abstract: Provided in the embodiments of the present application are a robot control method, a robot, and a storage medium. In the embodiments of the present application, on the basis of a re-positioning operation, a robot determines the position at which the robot is located when escaping from hijacking; determines a task execution region according to environment information surrounding the position at which the robot is located when escaping from hijacking; and subsequently, executes a task in the task execution region. As such, the robot may flexibly determine a task execution region according to the environment in which the robot is located when escaping from hijacking without needing to return to the position at which the robot was hijacked, thereby adapting to circumstances and being capable of meeting user demands as much as possible.
19 US2020238836A1
AUTONOMOUS MOBILE ROBOT AND WALKING METHOD THEREOF
Publication/Patent Number: US2020238836A1 Publication Date: 2020-07-30 Application Number: 16/748,484 Filing Date: 2020-01-21 Inventor: Cheng, Wenjie   Hou, Jie   Assignee: Ecovacs robotics co ltd   IPC: B60L15/20 Abstract: Embodiments of the present disclosure provide an autonomous mobile robot and a walking method thereof. The autonomous mobile robot includes a machine body, a driving wheel assembly and an obstacle crossing assembly. The driving wheel assembly is rotatably arranged on the machine body through a first rotating shaft. The driving wheel assembly includes a driving wheel. When the driving wheel moves from a first position to a second position relative to the machine body, the obstacle crossing assembly applies a force to the driving wheel assembly to make a change amplitude of positive pressure between the driving wheel and a traveling surface less than or equal to a set threshold value.
20 US202046192A1
CLEANING ROBOT
Publication/Patent Number: US202046192A1 Publication Date: 2020-02-13 Application Number: 20/181,648 Filing Date: 2018-02-02 Inventor: Zhang, Lele   Assignee: Ecovacs robotics co ltd   IPC: A47L11/40 Abstract: A cleaning robot, includes a body provided with a dust box, a water tank, a cleaning unit disposed at a bottom of the body, a water outlet mechanism outputting liquid in the water tank through the water discharge pipeline and a water discharge pipeline independently disposed outside the water tank and at least partially located directly below the dust box, so that the capacity of the water tank is increased, without requiring adding water frequently, thereby prolonging the time of operation, the layout of various parts in the body is more compact and feasible, a longer water discharge pipeline enables the corresponding cleaning unit to be made larger, by which a working area of the robot is expanded and the working efficiency is enhanced, the probability for damage is reduced, and the service life of the machine is prolonged.