WO2022188365A1 - 自移动设备 - Google Patents
自移动设备 Download PDFInfo
- Publication number
- WO2022188365A1 WO2022188365A1 PCT/CN2021/113644 CN2021113644W WO2022188365A1 WO 2022188365 A1 WO2022188365 A1 WO 2022188365A1 CN 2021113644 W CN2021113644 W CN 2021113644W WO 2022188365 A1 WO2022188365 A1 WO 2022188365A1
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- WO
- WIPO (PCT)
- Prior art keywords
- line laser
- main body
- laser transmitter
- self
- camera device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
- G05D1/0234—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using optical markers or beacons
- G05D1/0236—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using optical markers or beacons in combination with a laser
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- G05D1/20—Control system inputs
- G05D1/24—Arrangements for determining position or orientation
- G05D1/243—Means capturing signals occurring naturally from the environment, e.g. ambient optical, acoustic, gravitational or magnetic signals
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- G05D1/60—Intended control result
- G05D1/656—Interaction with payloads or external entities
- G05D1/661—Docking at a base station
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- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
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- A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
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- A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
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- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2894—Details related to signal transmission in suction cleaners
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- G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
- G05D1/0219—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory ensuring the processing of the whole working surface
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- G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
- G05D1/0238—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using obstacle or wall sensors
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- G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
- G05D1/0242—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using non-visible light signals, e.g. IR or UV signals
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- G05D1/60—Intended control result
- G05D1/617—Safety or protection, e.g. defining protection zones around obstacles or avoiding hazards
- G05D1/622—Obstacle avoidance
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
- A47L2201/02—Docking stations; Docking operations
- A47L2201/022—Recharging of batteries
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
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- A47L2201/04—Automatic control of the travelling movement; Automatic obstacle detection
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- A—HUMAN NECESSITIES
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- A47L2201/06—Control of the cleaning action for autonomous devices; Automatic detection of the surface condition before, during or after cleaning
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- G05D2111/10—Optical signals
- G05D2111/17—Coherent light, e.g. laser signals
Definitions
- the present disclosure relates to the field of cleaning equipment, and in particular, to a self-moving equipment.
- a self-moving device comprising: a device main body, a buffer part is provided on the front side of the device main body; a line laser module is disposed on at least one of the device main body and the buffer part, and is located in Between the buffer part and the main body of the equipment, the line laser module includes a camera device for collecting environmental images, and a first window is arranged at the position of the buffer part opposite to the camera device, so that external ambient light can enter the camera device; The infrared fill light is arranged on the buffer part.
- the self-moving device further includes: a filter, arranged in front of the camera device, for enabling only infrared light to enter the camera device; a controller, arranged on the device main body, connected with the fill light and the camera device The device is connected to control the opening or closing of the fill light, and performs functional control on the main body of the device according to the environmental image captured by the camera device.
- the line laser module further includes: a fixing seat, on which the camera device is arranged; a line laser transmitter, which is arranged on the fixing seat and is located on at least one side of the camera device, the line laser emitter is used for A laser with a linear projection is emitted, and a second window is arranged at the position of the buffer part opposite to the line laser transmitter, so that the laser light emitted by the line laser transmitter can be emitted from the buffer part; wherein, the controller is connected with The camera device is connected with the line laser transmitter, and controls the camera device and the line laser transmitter to cooperate with each other.
- the line laser transmitter is movably connected to a fixed base, and/or the fixed base is a movable structure, so that the azimuth and rotation angle of the line laser transmitter can be adjusted.
- the fixing base includes a main body, an end portion and a connecting piece
- the camera device is arranged on the main body
- the line laser emitter is penetrated in the connecting piece through the through hole of the connecting piece, wherein the line laser emitter and the connecting piece
- the connection is rotated so that the rotation angle of the line laser transmitter can be adjusted
- the connecting piece is movably connected with the end so that the azimuth and orientation angle of the line laser transmitter can be adjusted.
- the end is provided with a positioning groove
- the connector is provided with a protruding structure adapted to the positioning groove
- the protruding structure can rotate horizontally in the positioning groove to drive the line laser transmitter to rotate relative to the end .
- the fixing base includes a body, an end portion and a connecting portion, the end portions are located on both sides of the body and are connected with the body through the connecting portion, the camera device is arranged on the body, and the line laser transmitter is arranged at the end portion;
- the connecting portion is pivotally connected to the body so as to be able to adjust the azimuth angle of the line laser transmitter, and the end portion is rotatably connected to the connecting portion so as to be able to adjust the rotation angle of the line laser transmitter.
- the fixing base includes a body, an end portion and a limiting portion, the end portion is located on at least one side of the body, the camera device is arranged on the body, and the line laser transmitter is arranged at the end portion; wherein the end portion is connected to the end portion.
- the body is rotatably connected so as to be able to adjust the rotation angle and the azimuth orientation angle of the line laser transmitter, and the position defining portion is arranged between the end portion and the body to limit the rotation of the end portion relative to the body.
- the fixing base includes a body and ends located on both sides of the body, the camera device is arranged on the body, and the line laser emitter is movably arranged at the ends; wherein the ends are pivotally connected with the body to enable The azimuth and orientation angle of the line laser transmitter is adjusted, and the line laser transmitter is rotatably connected with the end, so that the rotation angle of the line laser transmitter can be adjusted.
- the fixing base is provided with an installation cavity
- the line laser transmitter is movably disposed in the installation cavity
- the installation cavity includes a first end and a second end
- the cross-sectional area of the first end is smaller than that of the second end area
- the cross-sectional area of the first end is greater than the cross-sectional area of the line laser emitter; wherein, the front end of the line laser emitter is close to the first end, and the line laser emitter rotates relative to the mounting cavity so that the line laser emitter can be aligned
- the rotation angle of the line laser transmitter is adjusted, and the rear end of the line laser transmitter swings relative to the front end, so that the azimuth and orientation angle of the line laser transmitter can be adjusted.
- the line laser transmitter is cylindrical, and the outer peripheral side of the line laser transmitter is provided with a first stepped structure; the fixing base is provided with an installation groove for installing the line laser transmitter, and the inner wall of the installation groove is provided with a first step structure.
- the self-moving device further includes: a charging pile, which is adapted to be connected to or detached from the main body of the device, the charging pile includes an infrared emitting device for emitting infrared signals; the line laser module further includes a return-to-pile positioning device, It is used to receive the infrared signal emitted from the charging pile; wherein, the controller is connected with the positioning device for returning to the pile, and guides the main body of the device to dock with the charging pile according to the near-field infrared signal received by the positioning device for returning to the pile, and the device is connected to the charging pile. When the main body and the charging pile are successfully docked, an infrared signal is emitted to the charging pile.
- the buffer component includes a striker plate and an elastic member, the striker plate and the device body are connected by the elastic member, the line laser module is located inside the striker plate, and the fill light is arranged on the striker plate; the outside of the striker plate is provided with Has rubber underlayment.
- the self-moving device further includes a device control module for controlling the movement of the self-moving device according to the obstacle location information and obstacle type information obtained from the environment image.
- the self-moving device further includes a reminder device, which is connected with the device control module to control the reminder device to issue an alarm by at least one of sounding and emitting light.
- a self-moving device which is characterized by comprising: a device body, a buffer member is provided on the front side of the device body; a controller; and a line laser module, the line laser
- the module includes a camera device and a line laser transmitter, the line laser module is arranged on the main body of the equipment, the controller is electrically connected with the camera device and the line laser transmitter, and according to the camera device The captured image of the environment controls the self-mobile device.
- the self-moving device further includes an infrared fill light, which is arranged on the buffer component; the controller is connected to the fill light, and is used to control the turning on or the operation of the infrared fill light. closure.
- the camera device collects a first environment image when the line laser transmitter is turned on, and collects a second environment image when the fill light is turned on; and obtains the target object and the target object according to the first environment image.
- the distance between the camera devices; the target object is identified according to the second environment image.
- the camera device collects a third environment image; and the pixel points in the first environment image are compared with the third environment image.
- a corrected laser image is obtained by making a difference between the pixel points at the corresponding position in the middle, and the distance between the target object and the camera device is obtained according to the corrected laser image.
- the first environment image is acquired by the camera under a preset first exposure parameter; the second environment image is acquired by the camera under the second exposure parameter, so The second exposure parameter is obtained according to the imaging quality of the second environment image of the previous frame collected and combined with the exposure parameter at that time; wherein, the first exposure parameter includes a first exposure time and/or a first exposure gain, And the second exposure parameter includes a first exposure time and/or a first exposure gain.
- a filter is provided in front of the camera device for enabling only infrared light to enter the camera device.
- a first window is provided at a position relative to the camera device on the buffer part, so that external ambient light can enter the camera device
- a fill light is provided on the buffer part, so that the ambient light can enter the camera device.
- FIG. 1 is a partial structural schematic diagram of a line laser module according to an optional embodiment of the present invention.
- FIG. 2 is a schematic structural diagram of a line laser module according to another optional embodiment of the present invention.
- FIG. 3 is a partial structural schematic diagram of a protection plate according to an optional embodiment of the present invention.
- FIG. 4 is a schematic diagram of the working principle of a line laser transmitter according to an optional embodiment of the present invention.
- 5 is a schematic diagram of the relationship between the line laser transmitter and the field of view angle of the camera according to an optional embodiment of the present invention
- FIG. 6 is a partial structural schematic diagram of a fixing seat according to an optional embodiment of the present invention.
- Fig. 7 is a partial structural schematic diagram '' of a fixing seat according to another optional embodiment of the present invention.
- FIG. 8 is a time point diagram of a time-sharing control according to an embodiment of the present disclosure.
- Raised structure 146 Connection part
- Limiting part 148 Limiting hole
- Second step structure 150 Infrared emission device
- Pile back positioning device 200 Equipment main body
- An optional embodiment of the present invention provides a self-moving device, specifically, the self-moving device is an intelligent cleaning device, such as a sweeping robot, a mopping robot, a ground polishing robot or a weeding robot.
- the self-moving device is an intelligent cleaning device, such as a sweeping robot, a mopping robot, a ground polishing robot or a weeding robot.
- this embodiment uses a cleaning robot as an example to describe the technical solutions of the present disclosure.
- the self-moving device may include: a device body 200, a perception system, a control system, a driving system, a cleaning system, an energy system, a human-computer interaction system, and the like.
- the various systems coordinate with each other to enable the cleaning equipment to move autonomously for cleaning functions.
- functional elements and the like constituting each of the above-described systems are integrally provided in the apparatus main body 200 .
- the device body 200 has an approximately circular shape (circles at the front and rear), and may also have other shapes, including but not limited to an approximately D-shaped shape with a front and a rear circle.
- the sensing system includes a line laser module located above or on the side of the main body 200 of the device.
- the controller of the control system is connected to the line laser module, and performs functional control of the self-moving device according to the sensing result of the line laser module.
- an optional embodiment of the present invention provides a self-moving device, including: a device main body 200, a buffer part 170 is provided on the front side of the device main body 200; a line laser module, disposed in the device On at least one of the main body 200 and the buffer part 170, and between the buffer part 170 and the device main body 200, the line laser module includes a camera device for capturing an image of the environment, at the position of the buffer part 170 opposite to the camera device A first window 171 is provided to allow external ambient light to enter the camera device; a fill light 180 is provided on the buffer member 170 .
- the self-moving cleaning device includes a device body 200 , a line laser module and a fill light 180 .
- the buffer member 170 is disposed on the front side of the device main body 200 , and the front side is the side toward which the device main body 141 faces during the forward movement of the mobile device.
- the arrangement of the buffer member 170 will protect the device body 200 to a certain extent, avoid the self-moving cleaning device from contacting and colliding with obstacles during the forward movement and damaging the device body 200 , thereby helping to improve the reliability of the device body 200 .
- the buffer part 170 can protect the line laser module
- the laser module is directly exposed to the external environment and is easily damaged by collision with obstacles, which is beneficial to improve the reliability of the line laser module.
- the line laser module includes a camera 120 for collecting environmental images, so that the self-moving cleaning device recognizes the road conditions in front of the device main body 200 according to the environmental images collected by the camera 120 and performs corresponding functional operations.
- a first window 171 is provided at a position relative to the camera device 120 on the buffer part 170 , and the setting of the first window 171 enables external ambient light to enter the camera device 120 to ensure that the camera device 120 can capture the environment image comprehensively and accurately .
- the supplementary light 180 is used for supplementary light, so as to ensure that the camera 120 can capture the environment image clearly and accurately, and improve the accuracy of identifying the road conditions in front of the device main body 200 .
- the fill light 180 may be used to fill in the light to meet the shooting requirements of the camera device 120 .
- the fill light 180 can be used to fill in the light, so that the image captured by the camera 120 is clearer.
- the number of the fill light 180 is one, two or more, and other numbers that meet the requirements, which are not specifically limited in the present invention.
- the fill light 180 is disposed below, and/or laterally, and/or above the first window 171 , and on the buffer member 170 .
- the present invention does not specifically limit the specific location of the fill light 180 .
- the fill light 180 is an LED fill light, and may also be other fill lights that meet requirements.
- the line laser module is arranged on the equipment main body 200; on the other hand, the line laser module is arranged on the buffer part 170;
- the different setting methods of the line laser modules can meet the requirements of different structures of the line laser modules, different structures of the equipment main body 200 , and different structures of the buffer member 170 .
- the line laser module is arranged on the equipment main body 200, that is, when the equipment is assembled, the line laser module is first assembled on the equipment main body 200, and then the buffer member 170 is connected with the equipment main body 200, and then the line laser module is assembled on the equipment main body 200.
- the laser module is arranged on the inner side of the buffer member 170 , so that the buffer member 170 plays a good role in protecting the front side of the device main body 200 and the line laser module.
- the buffer component 170 includes a striker 172 and an elastic member, the striker 172 and the device body 141 are connected by the elastic member, and the line laser module is located inside the striker 172 .
- the arrangement of the elastic member can reduce the force of the collision plate 172 acting on the equipment main body 200 and the line laser module when the buffer member 170 collides with the obstacle, which plays a certain buffering effect and further reduces the impact of the obstacle on the equipment main body and the line laser module. Damage to the laser module.
- the present invention enables the buffer member 170 to have a double-layer buffer function through the elastic member and the rubber cushion layer, which greatly reduces the possibility of damage to the equipment main body 200 and the line laser module caused by obstacles, and improves the self-moving equipment. reliability.
- the elastic members are elastic columns and/or springs, and may also be other elastic members that meet the requirements.
- the self-moving equipment moves forward to perform the task.
- the line laser module is arranged on the front side of the equipment body 141;
- the buffer member 170 is located on the outside of the line laser module, and is connected with the device body 200, which plays a good anti-collision protection effect.
- the line laser module is disposed at the middle position, the top position or the bottom position in the height direction of the device body 141 .
- the self-moving device further includes an ambient light sensor and a controller
- the ambient light sensor is used to detect the brightness of ambient light
- the controller is disposed on the device body 200 and is connected with the ambient light sensor It is connected to the fill light 180 and used to control the working state of the fill light 180 according to the detection signal of the ambient light sensor, so as to fill the light in the process of collecting the environment image by the camera device.
- the controller of the self-moving device is connected with the infrared fill light 180 and the ambient light sensor, and controls the working state of the infrared fill light 180 according to the detection signal of the ambient light sensor, so as to complement the exposure operation of the camera 120.
- Light For example, when the ambient light sensor detects that the ambient light is dark and the ambient light is insufficient, the exposure operation requirements of the camera device 120 cannot be met, or under the circumstance of the ambient light, the second ambient image captured by the camera device 120 cannot be accurately and clearly captured.
- the ambient light sensor sends a signal to the controller, and the controller controls the infrared fill light 180 to work according to the received signal, and increases the illumination, so that the ambient light after the fill light meets the shooting requirements of the camera 120,
- the type of the obstacle can be accurately and quickly confirmed according to the relatively clear environment image captured by the camera 120 .
- the ambient light sensor detects that the ambient light is bright enough to meet the requirements of the exposure operation of the camera 120
- the ambient light sensor sends a signal to the controller, and the controller controls the infrared fill light 180 to stop working according to the received signal. , which is conducive to saving energy.
- the controller of the self-mobile device may determine the intensity of the ambient light based on the brightness of the image captured by the camera, so as to control the turn-on or turn-off of the fill light.
- the controller is connected to the device main body 200, and performs functional control on the device main body 200 according to the environmental image captured by the camera 120. For example, according to the clear second environmental image captured by the camera device 120, it is determined that there is an obstacle ahead, which needs to be avoided. If it is determined according to the first environmental image captured by the camera 120 that there is a slope in front of the road, but the slope does not affect the movement of the device main body 200, the device main body 200 is controlled to continue moving forward. line and perform the cleaning operation.
- the ambient light sensor is arranged on the device body 200, on the other hand, the ambient light sensor is arranged on the line laser module, and on the other hand, the ambient light sensor is arranged on the buffer member 170;
- the sensor is arranged on the device body 200 and the line laser module; on the other hand, the ambient light sensor is arranged on the device body 200 and the buffer part 170; on the other hand, the ambient light sensor is arranged on the line laser module and the buffer part 170;
- the ambient light sensor is disposed on the device main body 200, the line laser module and the buffer part 170 at the same time, and the different placement positions of the ambient light sensor can satisfy the different structures of the ambient light sensor, the different structures of the device main body 200, the line laser module
- the different structures of the buffer components 170 need different structures. It can be understood that setting the ambient light sensor on the online laser module realizes the modular design of the sensing system of the self-mobile device, which is convenient for assembly and maintenance.
- the line laser module further includes a fixing base 140 and a line laser transmitter 110 , wherein the fixing base 140 can be connected with the device main body 200 , the fixed seat 140 is located between the buffer part 170 and the device main body 200 , and the line laser transmitter 110 and the camera device are both arranged on the fixed seat 140 .
- the line laser emitter 110 is used for emitting laser light with a projected linear shape, and a second window is provided at the position of the buffer part 170 opposite to the line laser emitter 110 , so that the laser light emitted by the line laser emitter 110 can pass from the buffer part 170 Fire out.
- the camera device 120 is arranged on the fixing base 140 , and the line laser transmitter 110 is located on at least one side of the camera device 120 , that is, the line laser transmitter 110 may be located on one side of the camera device 120 or on two sides of the camera device 120 . side.
- the buffer part 170 is provided with a first window 171 corresponding to the camera device 120 , and a second window corresponding to the line laser emitter 110 .
- the controller is connected with the camera device 120 and the line laser transmitter 110, and controls the camera device 120 and the line laser transmitter 110 to cooperate with each other.
- the environment image captured by the device 120 is used to identify the distance or terrain of the obstacle in front of the device main body 200, so as to perform the corresponding obstacle avoidance operation or cleaning operation.
- the fill light 180 is disposed near the first window 171 opposite to the camera 120 , which helps the camera 120 to capture the environment image clearly and accurately, and improves the accuracy of identifying the road conditions in front of the device main body 200 .
- the line laser transmitter 110 is used to emit a laser with a linear projection.
- the line laser transmitter 110 emits a laser plane to the outside. After the laser plane reaches the obstacle, a line laser will be formed on the surface of the obstacle. Detect environmental images.
- the plane AOB shown in FIG. 1 represents the plane perpendicular to the line laser of the line laser transmitter 110
- the plane ABF and the plane CDE shown in FIG. 4 represent the laser plane of the line laser transmitter 110
- the line segments AB and The line segment CD characterizes the line laser.
- the line laser transmitter 110 may be a laser tube. It is understood that the line laser transmitter 110 may also be other structures that meet the requirements, which is not specifically limited in the present invention.
- a wave mirror can also be arranged in the emission direction (such as the front) of the online laser transmitter 110.
- the wave mirror is a concave lens. If a concave lens is arranged in front of the laser tube, the laser tube emits light of a specific wavelength (such as Infrared light), after passing through the concave lens, it becomes divergent light, thus forming a straight line on the plane perpendicular to the optical path.
- a specific wavelength such as Infrared light
- the line laser transmitters 110 are distributed on both sides of the camera device 120 , and the camera device 120 and the line laser transmitter 110 cooperate with each other, that is, the environmental image collected by the camera device 120 is the line laser transmitter 110
- the emitted line laser is reflected by the obstacle, and the distance between the obstacle and the device main body 200 or the line laser module can be measured according to the environmental image, and then the corresponding obstacle avoidance operation can be performed.
- the line laser in order for the camera device 120 to timely and accurately collect the environmental image detected by the line laser, the line laser needs to be located within the field of view of the camera device 120 .
- 4 is a schematic diagram of the working principle of the line laser transmitter 110, wherein the letter P represents the camera device 120, the letters E and F represent the line laser transmitter 110 located on both sides of the camera device 120; the straight lines PM and PN represent the camera device The two boundaries of the horizontal field of view of 120 , namely ⁇ MPN, represent the horizontal field of view of the camera 120 .
- the line laser transmitter 110 emits the laser plane FAB and the laser plane ECD to the outside.
- a line laser is formed on the obstacle surface, namely the line segment AB and the line segment CD shown in FIG. 4 . Since the line segment AB and the line segment CD emitted by the line laser transmitter 110 are located within the field of view of the camera 120 , the line laser can help detect the contour, height and/or width of objects within the field of view of the camera 120 , etc. information, the camera device 120 can collect images of the environment detected by the line laser.
- the controller can calculate the distance from the line laser module or the equipment main body 200 where the line laser module is located to the obstacle in front according to the environmental image collected by the camera 120.
- the line laser can be calculated by using the triangulation ranging method. The distance between the module or device main body 200 and the obstacle in front of it.
- FIG. 5 is a schematic diagram of the embodiment shown in FIG. 4 from a viewing angle.
- the letter P represents the camera device 120
- the letters E and F represent the line laser emitters 110 located on both sides of the camera device 120
- point A represents the projection of the line segment AB in the horizontal plane
- point D represents the projection of the line segment CD in the horizontal plane
- ⁇ MPN represents the horizontal field angle of the camera 120
- point O represents the intersection of the line laser emitted by the line laser emitter 110 and the optical axis of the camera 120 .
- the focal length of the camera device 120 is known, and the emission angle of the line laser transmitter F is known , that is, the angle between the straight line FA and the optical axis PO is known, the distance between the line segments OP is known; the vertical distance between the line laser emitter F and the center of the camera 120 in the horizontal plane is known,
- the environmental image reflected by the obstacle A point collected by the camera 120 is defined as the point A'.
- the point A' will have a certain offset from the optical axis line PO of the camera 120, and the offset is known, according to The triangle similarity principle, combined with the above-mentioned known conditions, can measure the distance between A and F, that is, the distance between the obstacle and the line laser transmitter 110 can be obtained. It can be understood that the terrain situation in front can also be determined according to the deformation characteristics of the line segment reflected by the line laser reflected by the obstacle collected by the camera 120 to determine specific functional operations, such as performing an obstacle avoidance operation or continuing a cleaning operation. .
- the number of camera devices 120 is not specifically limited, for example, the number of camera devices 120 may be one, two, three, or other numbers that meet requirements.
- the camera device 120 may be a monocular camera device or a binocular camera device.
- the total number of line laser transmitters 110 is not specifically limited, for example, the number of line laser transmitters 110 may be two or more.
- the number of line laser emitters 110 distributed on each side of the camera device 120 is also not limited, and the number of line laser emitters 110 on each side of the camera device 120 may be one, two or more;
- the number of line laser transmitters 110 on both sides of the device 120 may be the same or different. It can be understood that when the number of line laser emitters 110 on either side of the camera 120 is multiple, the multiple line laser emitters 110 may be uniformly distributed or non-uniformly distributed, which is not specifically limited in the present invention.
- the camera 120 can not only measure the distance of the obstacle in front of the device main body 200, but also can identify the type of the obstacle. For example, using the different time points, the camera device 120 is used to measure the distance of the obstacle and identify the type of the obstacle, respectively.
- the controller first determines the type of the obstacle according to a part of the environmental image collected by the camera 120, determines whether the device main body 200 needs to perform an obstacle avoidance operation according to the type of the obstacle, and when the device main body 200 needs to perform the obstacle avoidance operation During operation, the controller determines the distance of the obstacle according to another part of the environmental image collected by the camera 120 to perform the corresponding obstacle avoidance operation. When the device main body 200 does not need to perform the obstacle avoidance operation, it directly performs the cleaning operation. , thereby reducing the possibility of misoperation of obstacle avoidance from mobile devices.
- the line laser emitting device 110 may include a line laser transmitter and a laser driving circuit, wherein the line laser driving circuit may receive a driving signal and drive the line laser transmitter to emit the line laser according to the driving signal.
- the laser driving circuit may include an amplifying circuit, through which the driving signal may be amplified, and the amplified driving signal may be sent to the line laser transmitter, so that the line laser transmitter emits light.
- the driving signal may include a control signal and an adjustment signal
- the line laser transmitter may be turned on or off by the control signal
- the transmission power of the line laser transmitter may be adjusted by the adjustment signal.
- the amplifying circuit may include a first amplifying circuit and a second amplifying circuit, wherein:
- the first amplifying circuit is used to receive the control signal sent by the main control unit, amplify the control signal and send it to the line laser transmitter, so as to control the opening and closing of the line laser transmitter.
- the second amplifying circuit is used to receive the adjustment signal sent by the main control unit, amplify the adjustment signal and send it to the line laser transmitter to control the transmission power of the line laser transmitter.
- the specific structures of the first amplifying circuit and the second amplifying circuit are not particularly limited here, as long as the signal amplifying function can be achieved.
- the line laser module includes: a main body part and a first environment image capturing assembly, wherein the first environment image capturing assembly includes a camera device disposed on the main body part, and at least a pair of line laser emitting devices and the first environment image processing module, the pair of line laser emitting devices are located on both sides of the camera device, and are used to emit line lasers with a linear projection, the camera device and the line laser emitting device cooperate with each other, and are used to collect the first environment image; the first environment image processing module can obtain the obstacle position information according to the first environment image.
- the first environment image collected by the camera device is used to measure the distance of the obstacle
- the second environment image collected by the camera device is used.
- the image is used to identify the type of obstacle. Therefore, the type of the obstacle can be determined according to the second environment image captured by the camera 120, and whether the device main body 200 needs to perform the obstacle avoidance operation can be determined according to the type of the obstacle, and when the device main body 200 needs to perform the obstacle avoidance operation, the camera device 120 and the line laser transmitter 110 cooperate with each other to determine the distance of the obstacle, so as to perform the corresponding obstacle avoidance operation.
- the cleaning operation is directly performed, thereby reducing the possibility of an incorrect obstacle avoidance operation from the mobile device.
- the number of the second environment images is multiple, such as 500, 1000, or other numbers that meet the requirements.
- the number of acquired second environment images can be determined by adjusting the exposure frequency of the camera 120 .
- the control system performs image segmentation on the plurality of second environment images captured by the camera 120 . Then input the segmented segmented image into the trained obstacle model, then perform feature extraction on the segmented image, and perform confidence matching between the extracted feature information and the trained obstacle model, and determine according to the confidence matching result.
- Type of obstacle is
- the type of the obstacle can be determined by the second environment image obtained by the camera 120, so that the self-mobile device can determine the obstacle avoidance operation or clean the original according to the type of the obstacle. Route for cleaning operations.
- the controller controls the camera device 120 and the line laser transmitter 110 to work together, and determines the distance between the obstacle and the line laser module or the equipment main body 200 according to the first environment image obtained by the camera device 120 . distance to perform the corresponding obstacle avoidance operation.
- the driving system can drive the movement of the device body 200 to move the balloon, that is, the balloon will not affect the cleaning route. Therefore, control the The main body 200 of the controller control device performs the cleaning operation according to the original cleaning route, but does not perform the obstacle avoidance operation, and can clean the position where the balloon is located, which is beneficial to expand the cleaning range.
- the controller controls the apparatus main body 200 to perform an obstacle avoidance operation to change the cleaning route. That is, the controller controls the line laser transmitter 110 to work to emit the line laser, the camera device 120 captures the first environment image of the reflected light reflected from the chair, and the controller determines the distance between the line laser module or the device main body 200 and the chair according to the first environment image. The distance between them, and then the cleaning route is re-planned according to the distance for obstacle avoidance operation, which improves the obstacle avoidance effect.
- the camera device 120 is a black-and-white camera device, and an infrared lens is arranged in front of the black-and-white camera device to allow only infrared light to pass through.
- 110 is an infrared laser tube, which emits an infrared laser.
- a second environmental image processing module is also included, and the second environmental image processing module may include a feature extraction module and an identification module, wherein:
- the feature extraction module is used to perform feature extraction on the second environment image to obtain feature information.
- the grayscale information and position information of pixels satisfying certain conditions in the second environment image may be used as feature information.
- the feature extraction module may preprocess the second environment image, for example, perform binarization on the second environment image. Then, the grayscale information and position information of each pixel in the preprocessed second environment image are acquired. Then, the preset gray-scale range is compared with the gray-scale information of each pixel, and the gray-scale information located in the gray-scale range and the position information of the corresponding pixel are obtained as characteristic information.
- feature information can also be extracted from the second environment image in other ways, which are not limited herein.
- the identification module is used to input the feature information into the pre-trained obstacle identification model to identify the obstacle type information.
- the obstacle recognition model can be obtained by training samples of obstacle images in advance, and it can be a neural network model, a classifier or other models, as long as it can judge whether there is an obstacle in the second environment image according to the feature information. Can.
- the training method of the obstacle recognition model and the specific working process of judging whether there is an obstacle are not specially limited here. Obstacles in the present disclosure may be paper scraps, books, table legs, doors, refrigerators, curtains, etc., which will not be listed here.
- the identification module can input the feature information into the pre-trained obstacle classification model to identify the obstacle type information.
- the obstacle classification model can be obtained by training samples of obstacle classification in advance, and it can be a neural network model, a classifier or other models, as long as the type of the obstacle can be determined according to the feature information.
- the training method of the obstacle recognition model and the specific working process of judging whether to judge the type of the obstacle are not specially limited here.
- the second environment image processing module further includes a training module for generating an obstacle recognition model using the collected training data.
- obstacles can be classified into three types according to their size, for example:
- the first is an obstacle that can be driven over and can be cleaned, such as paper scraps.
- the second is obstacles that cannot be driven but need to be cleaned, such as books.
- the third is obstacles that cannot be driven through and do not need to be cleaned, such as doors, walls, table legs, etc.
- the fixing seat 140 includes a main body 141 and ends 142 located on both sides of the main body 141 .
- the line laser transmitter 110 is movably connected to the fixing base 140, and/or the fixing base 140 is a movable structure, so that by adjusting the position of the line laser transmitter 110 relative to the fixing base 140, and /or by adjusting the relative positions of the components of the fixing seat 140 itself, the azimuth and rotation angle of the line laser transmitter 110 can be adjusted, so that when the line laser transmitter 110 is assembled to the fixing seat 140, it is convenient to emit the line laser light.
- the irradiating angle and irradiating range of the line laser emitted by the transmitter 110 can be adjusted to quickly and conveniently realize self-calibration of the line laser transmitter 110 and calibration with the camera device 120 . The operation is simple and convenient, and the assembly efficiency is improved.
- adjusting the rotation angle of the line laser transmitter 110 can make the line laser light perpendicular to the horizontal plane, that is, to achieve self-alignment of the line laser transmitter 110.
- Adjusting the azimuth angle of the line laser transmitter 110 can adjust the angle between the line laser and the optical axis of the camera device 120 , so that the line laser is located within the field of view of the camera device 120 , that is, the line laser transmitter 110 is realized. Coordinate calibration with the camera 120 to ensure that the camera 120 can accurately and comprehensively capture the reflected light reflected by the obstacles reflected by the light emitted by the line laser transmitter 110, thereby improving the accuracy and comprehensiveness of the environmental image obtained by the camera 120.
- the azimuth and orientation angles of the line laser emitting devices 110 on both sides of the camera device 120 are adjusted respectively, and then the line lasers on both sides are glued and fixed.
- the line laser is perpendicular to the horizontal plane, which is beneficial to improve the ranging range.
- the line laser transmitter 110 is movably connected with the fixing base 140 , so that by adjusting the position of the line laser transmitter 110 relative to the fixing base 140 , the azimuth and rotation angle of the line laser transmitter 110 can be adjusted.
- the fixed seat 140 is a movable structure, so that the azimuth orientation angle and the rotation angle of the line laser transmitter 110 can be adjusted by adjusting the relative positions of the respective components of the fixed seat 140;
- the line laser transmitter 110 is movably linked with the fixed seat 140, and the fixed seat 140 is a movable structure, so that the position of the line laser transmitter 110 relative to the fixed seat 140 can be adjusted, and the relative positions of the parts of the fixed seat 140 itself can be adjusted, so that the line laser transmitter 110 can be aligned.
- the azimuth and rotation angle can be adjusted.
- the embodiments provided by the present invention adjust the azimuth angle and rotation angle of the line laser transmitter 110 in different ways, which can meet the requirements of different structures of the fixing seat 140 and different connection methods of the line laser transmitter 110 and the fixing seat 140 .
- the line laser transmitter 110 is movably connected with the fixing base 140 , and the fixing base 140 is a movable structure.
- the fixing base 140 includes a main body 141 , an end portion 142 and a connecting piece 143
- the camera device 120 is arranged on the main body 141
- the line laser transmitter 110 is connected with the end portion 142 through the connecting piece 143
- the connecting piece 143 is provided with Through holes
- the line laser emitter 110 is penetrated in the connecting piece 143 through the through hole
- the line laser emitter 110 is rotatably connected with the connecting piece 143, that is, the line laser emitter 110 can rotate in the through hole of the connecting piece 143, and then
- the rotation angle of the line laser transmitter 110 is adjusted so that the line laser is perpendicular to the horizontal plane and the ranging range is expanded.
- the connecting piece 143 is movably connected with the end portion 142, for example, the connecting piece 143 can rotate horizontally relative to the end portion 142.
- the axis of rotation of the end portion 142 is a straight line in the vertical direction, so that the connecting member 143 drives the line laser transmitter 110 to rotate relative to the end portion 142, and the azimuth and orientation angle of the line laser transmitter 110 can be adjusted, so that the line laser transmitter 110 can emit light.
- the line laser emitted by the detector 110 is located within the field of view of the camera 120 .
- the connecting piece 143 is movable with respect to the end portion 142 , so that during the calibration process, by placing the line laser emitter 110 in the through hole of the connecting piece 143 After rotating to a proper position, the calibration of the rotation angle of the line laser transmitter 110 can be realized, that is, the self-calibration of the line laser transmitter 110 can be realized.
- the azimuth and orientation angle of the line laser transmitter 110 can be calibrated, that is, the alignment of the line laser transmitter 110 and the camera device 120 can be realized. The operation is simple and the calibration is easy. convenient.
- the connecting piece 143 , the end portion 142 and the line laser transmitter 110 can be fixedly connected by using a fixing device, such as adhesive or glue.
- a fixing device such as adhesive or glue.
- the end portion 142, the main body 141, and the line laser transmitter 110 are fixed, and the operation is simple.
- the end portion 142 is provided with a positioning groove 144
- the connecting member 143 is provided with a convex structure 145 that is adapted to the positioning groove 144, and the convex structure 145 rotates horizontally in the positioning groove 144, specifically Ground, the protruding structure 145 protrudes in the vertical direction, so that the connecting piece 143 rotates relative to the end 142 in a plane parallel to the horizontal plane, that is, the axis of rotation of the connecting piece 143 relative to the body 141 is a straight line in the vertical direction, so , the raised structure 145 of the connector 143 rotates horizontally in the positioning groove 144 of the end 142, which can drive the line laser transmitter 110 to rotate horizontally relative to the end 142 with the raised structure 145 as the rotation axis, thereby enabling the line laser to emit light.
- the line laser emitted by the transmitter 110 is located within the field of view of the camera device 120, so as to realize the coordination and calibration of the line laser transmitter 110 and the camera device 120, the structure is simple, and the operation is convenient.
- the positioning groove 144 can be a circular positioning groove, and the convex structure 145 is a cylindrical convex structure. The cooperation between the circular positioning groove and the cylindrical convex structure is beneficial to improve the relative relationship between the connector 143 and the body 141 . Rotational flexibility and reliability. It can be understood that the positioning groove 144 can also be a groove structure of other shapes that meet the requirements.
- the fixed seat 140 is a movable structure.
- the fixing base 140 includes a main body 141 , an end portion 142 and a connecting portion 146 , the end portion 142 is located on two sides or one side of the main body 141 , the camera device 120 is arranged on the main body 141 , and the line laser transmitter 110 Provided at the end portion 142 , such as the line laser emitter 110 is fixedly or detachably mounted at the end portion 142 .
- the connecting portion 146 is pivotally connected with the main body 141 , and the end portion 142 is connected with the connecting portion 146 , and the connecting portion 146 swings relative to the main body 141 to adjust the azimuth angle of the line laser transmitter 110 , so that the line laser can be emitted
- the line laser emitted by the detector 110 is located within the field of view of the camera 120 .
- the end portion 142 is rotatably connected with the connecting portion 146. When the end portion 142 rotates relative to the connecting portion 146, the rotation angle of the line laser transmitter 110 can be adjusted so that the line laser is perpendicular to the horizontal plane, thereby expanding the range of distance measurement.
- the connecting portion 146 is hinged with the body 141 , a cylindrical groove is provided on the side of the connecting portion 146 facing the end portion 142 , and the end portion 142 is provided with a cylindrical protrusion that matches the cylindrical groove.
- the line laser emits After the laser transmitter 110 is assembled to the end 142, the cylindrical protrusion of the end 142 is placed in the cylindrical groove, and rotated relative to the cylindrical groove to adjust the rotation angle of the line laser transmitter 110.
- the line laser is perpendicular to the horizontal plane , and the end portion 142 and the connecting portion 146 are fixed, such as by glue or other position-defining structures, to realize the self-calibration of the line laser transmitter 110 .
- the main body 141 and the connecting portion 146 are fixed, such as by glue or other position-defining structures, to realize the alignment of the line laser transmitter 110 and the camera device 120 .
- the fixed seat 140 is a movable structure, that is, the end portion 142 is movably connected with the main body 141 through the connecting portion 146, so that during the calibration process, by reasonably adjusting the relative positions of the end portion 142, the connecting portion 146 and the main body 141, In this way, the calibration of the rotation angle and the azimuth orientation angle of the line laser transmitter 110 installed on the end portion 142 can be realized, and the operation is simple and the calibration is convenient.
- the end portion 142 , the connecting portion 146 , and the main body 141 can be fixedly connected by using a fixing device, such as adhesive, glue, limiter
- a fixing device such as adhesive, glue, limiter
- the end portion 142, the connecting portion 146, and the main body 141 are fixed by the portion 147, etc., and the operation is simple.
- the fixed seat 140 is a movable structure.
- the fixing base 140 includes a main body 141, an end portion 142 and a limiting portion 147, the end portions 142 are located on both sides of the main body 141, the camera device 120 is arranged on the main body 141, and the line laser transmitter 110 is arranged at the end portion 142. As shown in FIG.
- the end portion 142 is rotatably connected with the main body 141, specifically, the end portion 142 is spherically connected with the main body 141, so that the end portion 142 can swing relative to the main body 141 and can rotate relative to the main body 141, while the line laser
- the transmitter 110 is assembled on the end 142, and then the azimuth and rotation angle of the line laser transmitter 110 can be adjusted by swinging and rotating the end 142 relative to the body 141, which is simple to operate and easy to calibrate.
- the end portion 142 is spherically connected with the body 141 , the body 141 is provided with a limiting hole 148 , and the limiting portion 147 is a set bolt.
- the self-calibration of the line laser transmitter 110 can be realized.
- the line laser emitted by 110 is located at a suitable position within the field of view of the camera device 120, so that the alignment of the line laser transmitter 110 and the camera device 120 can be achieved.
- the position of the 142 relative to the main body 141 is limited and fixed, and the end portion 142 and the main body 141 can be fixed, and the operation is simple.
- the number of the limiting holes 148 on the main body 141 may be one, two or more. According to different positions of the limiting holes 148, different numbers of the limiting holes 148 are provided to meet the relative When the body 141 is rotated to different positions, the end portion 142 and the body 141 can be fixed by the fixing bolts through the limiting holes 148 .
- the fixing bolt may also be an elastic piece, that is, the end of the fixing bolt that abuts against the end portion 142 is an elastic piece, and the end portion 142 and the body 141 are reliably connected by elasticity.
- the spherical surface of the end portion 142 can also be provided with positioning holes adapted to the fixing bolts, so that the fixing bolts pass through the limiting holes 148 and are matched with the positioning holes and then pressed, which is beneficial to improve the end portion 142.
- the reliability of the fixed connection with the body 141 can also be provided with positioning holes adapted to the fixing bolts, so that the fixing bolts pass through the limiting holes 148 and are matched with the positioning holes and then pressed, which is beneficial to improve the end portion 142.
- the line laser transmitter 110 is movably connected to the fixing base 140, and the fixing base 140 is a movable structure.
- the fixing base 140 includes a main body 141 and ends 142 on both sides of the main body 141 .
- the camera device 120 is disposed on the main body 141 , and the line laser transmitter 110 is disposed at the ends 142 .
- the end portion 142 is pivotally connected to the body 141 , for example, the end portion 142 is hinged with the body 141 , so that the end portion 142 can swing relative to the body 141 , and the line laser transmitter 110 is rotatably connected to the end portion 142 , such as a line laser transmitter 110 is cylindrical, and the line laser transmitter 110 can be rotated relative to the installation slot in the end portion 142, so that the rotation angle of the line laser transmitter 110 can be adjusted so that the line laser is perpendicular to the horizontal plane and the ranging range can be expanded.
- the azimuth and orientation angle of the line laser emitter 110 can be adjusted so that the line laser emitted by the line laser emitter 110 is located at the position of the line laser emitter 110. within the field of view of the camera 120 .
- the line laser transmitter 110 is rotatable relative to the end portion 142, the end portion 142 is pivotally connected with the main body 141, so that during the calibration process, the line laser transmitter 110 can be rotated to an appropriate position to achieve
- the calibration of the rotation angle of the line laser transmitter 110 is to realize the self-calibration of the line laser transmitter 110.
- the azimuth and orientation angle of the line laser transmitter 110 can be adjusted.
- Calibration that is, to realize the coordinated calibration of the line laser transmitter 110 and the camera device 120 , is simple in operation and convenient in calibration.
- the end portion 142, the main body 141, and the line laser transmitter 110 can be fixedly connected by using a fixing device, such as adhesive, glue, etc.
- a fixing device such as adhesive, glue, etc.
- the end portion 142, the main body 141, and the line laser transmitter 110 are fixed, and the operation is simple.
- the line laser transmitter 110 and the fixing base 140 are movably connected.
- the fixing base 140 is provided with a mounting cavity for installing the line laser transmitter 110, and the line laser transmitter 110 is movably connected. It is arranged in the installation cavity, the installation cavity includes a first end and a second end, and the cross-sectional area of the first end is smaller than the cross-sectional area of the second end. The cross-sectional area is larger than that of the line laser emitter 110, so that the line laser emitter 110 can move within the mounting cavity.
- the front end of the line laser transmitter 110 is close to the first end of the installation cavity.
- the rotation angle of the line laser transmitter 110 can be adjusted so that the line laser is perpendicular to the horizontal plane. Expand the ranging range.
- the azimuth angle of the line laser transmitter 110 can be adjusted so that the line laser emitted by the line laser transmitter 110 is located within the field of view of the camera device 120 .
- the line laser transmitter 110 since the line laser transmitter 110 is movably arranged in the installation cavity of the fixed seat 140, the line laser transmitter 110 can rotate and swing relative to the body 141, so that during the calibration process, the line laser can be adjusted reasonably.
- the installation angle and installation position of the transmitter 110 and the fixing base 140 can realize the calibration of the rotation angle and the azimuth orientation angle of the line laser transmitter 110, and the operation is simple and the calibration is convenient.
- the line laser transmitter 110 can be fixedly connected with the fixing seat 140 by using a fixing device, such as using adhesive, glue, etc.
- a fixing device such as using adhesive, glue, etc.
- the line laser transmitter 110 is cylindrical, the outer peripheral side of the line laser transmitter 110 is provided with a first stepped structure 111 , and the fixing seat 140 is provided with a line laser for mounting the line laser.
- the installation groove of the transmitter 110, the inner wall of the installation groove is provided with a second step structure 149, by matching the first step structure 144 and the second step structure 149, the movement of the line laser transmitter 110 along the axis direction can be limited. , which is beneficial to improve assembly efficiency.
- the self-moving device further includes a device control module for controlling the movement of the self-moving device according to the obstacle location information and the obstacle type information.
- the device control module can be directly connected with the main control unit, and can directly acquire the obstacle position information and the obstacle type information obtained by the main control unit after processing the first environment image and the second environment image.
- the device control module can also be connected to the main control unit through a memory, the obstacle location information and obstacle type information obtained by the main control unit can be stored in the memory, and the device control module can directly call the obstacle location information stored in the memory. and obstacle type information.
- the device control module and the main control unit can be two separate circuits, or can be integrated in the same circuit, for example, the device control module and the main control unit can be two independent chips, or can be integrated in the same chip .
- the type of the chip is not particularly limited here, as long as it can realize the respective functions.
- the equipment main body 200 may also be provided with moving mechanisms such as rollers and crawlers, and the equipment control module can control the moving mechanism to move from the mobile equipment.
- moving mechanisms such as rollers and crawlers
- the recognition result is that there is no obstacle. For example, the obstacle position information is not received, or it is judged that there is no obstacle according to the obstacle type information.
- the recognition result is that there is an obstacle, and at this time, the type of the obstacle can be determined according to the second environment image.
- the obstacle position information is received, and the existence of the obstacle is determined according to the obstacle type information.
- the device control module can control the self-moving device to continue to move according to the current moving path, and clean the obstacle.
- the position information of the obstacles can be obtained according to the position information of the obstacles, and the steering distance information, steering direction information and steering angle information of the mobile device can be determined through the device control module.
- the moving route is re-planned, that is, the obstacle avoidance route is planned, and then the self-mobile device is controlled to perform the automatic obstacle avoidance action according to the obstacle avoidance route, so as to avoid the obstacles that cannot be cleaned.
- the self-moving device may include a reminder device, which may be connected to the device control module, and the device control module may control the reminder device to issue an alarm by at least one of sounding and emitting light.
- the reminder device can emit a prompt sound, so as to remind the user to clean the obstacle that cannot be cleaned by the mobile device in time while avoiding the obstacle.
- the self-moving device may further include a charging pile, and the charging pile is adapted to be connected or separated from the device main body 200.
- the charging pile includes an infrared emitting device that emits infrared signals.
- the line laser module further includes a pile-returning positioning device 190 disposed on the fixing base 140 .
- the pile-returning positioning device 190 includes an infrared receiving device 160 for receiving infrared signals, and an infrared transmitting device 150 for transmitting infrared signals.
- the controller controls the pile-returning positioning device 190 to search for near-field infrared signals near the charging pile, and guides the device body 200 and the charging pile according to the near-field infrared signal when the infrared receiving device 160 of the pile-returning positioning device 190 receives the near-field infrared signal.
- the docking is performed, and when the device main body 200 is successfully docked with the charging pile, the infrared transmitting device 150 of the back-pile positioning device 190 is controlled to transmit infrared signals to the charging pile, so as to charge the device main body 200 .
- the infrared receiving device 160 , the infrared transmitting device 150 , the camera device 120 , and the line laser transmitter 110 are all arranged on the fixing base 140 , which realizes the modular design of the sensing system and facilitates assembly and maintenance.
- the infrared receiving device 160 of the pile-returning positioning device 190 includes infrared lamps, and the number of the infrared receiving devices 160 is at least two, for example, the number of the infrared receiving devices 160 can be two, three, four or other satisfying requirements. amount.
- the infrared emitting device 150 of the pile-returning positioning device 190 includes infrared lamps, and the number of the infrared emitting devices 150 is one, two, three or other quantities that meet the requirements.
- the infrared receiving device 160 and the infrared transmitting device 150 are both infrared lamps, and a plurality of infrared lamps are distributed on the top of the fixing base 140 at intervals along the length direction of the fixing base 140 .
- the infrared receiving device 160 receives The reliability of the incoming infrared signal and the reliability of the communication connection between the device main body 200 and the charging pile are ensured. It can be understood that, the infrared receiving device 160 and the infrared transmitting device 150 may also be arranged at other positions that meet the requirements, which are not specifically limited in the present invention.
- An embodiment of the present invention provides a self-moving device, including:
- a device body the front side of the device body is provided with a buffer member
- Line laser module the line laser module includes a camera device and a line laser transmitter, the line laser module is arranged on the main body of the equipment, the controller is connected with the camera device and the line laser transmitter It is electrically connected, and the self-moving device is controlled according to the environmental image captured by the camera device.
- the mobile device further includes: an infrared fill light, which is arranged on the buffer component; the controller is connected to the fill light, and is used to control turning on or off of the infrared fill light .
- the camera device collects a first environment image when the line laser transmitter is turned on, and collects a second environment image when the fill light is turned on; and obtains the target object and the target object according to the first environment image.
- the distance between the camera devices; the target object is identified according to the second environment image.
- the camera device collects a third environment image; and the pixel points in the first environment image are compared with the third environment image.
- a corrected laser image is obtained by making a difference between the pixel points at the corresponding position in the middle, and the distance between the target object and the camera device is obtained according to the corrected laser image.
- the first environment image is acquired by the camera under a preset first exposure parameter; the second environment image is acquired by the camera under the second exposure parameter, so The second exposure parameter is obtained according to the imaging quality of the second environment image of the previous frame collected and combined with the exposure parameter at that time; wherein, the exposure parameter includes exposure time and/or exposure gain.
- a filter is provided in front of the camera device for enabling only infrared light to enter the camera device.
- the camera device uses fixed exposure at time t1
- the laser emitter on the left line is the same as the exposure time of the camera device
- the camera device uses fixed exposure at time t2
- the right line The laser turn-on time is the same as the exposure time of the camera device
- the fill light device is turned on at t3
- the camera device uses automatic exposure
- the exposure parameters refer to the previous frame for object recognition.
- the exposure parameters include exposure time and/or exposure gain, that is, the first environment image is acquired by the camera under the preset first exposure parameter, the second environment image is acquired by the camera under the second exposure parameter, and the second exposure
- the parameters can be obtained according to the imaging quality of the second environment image of the previous frame acquired and in combination with the exposure parameters at that time.
- the camera device may acquire a third environment image, stop emitting laser light of the first predetermined wavelength and light of the second predetermined wavelength when acquiring the third environment image, and the target object is not irradiated by the laser light or supplementary light.
- the third environment image is used to perform operations with the first environment image and the second environment image to remove background noise, further reduce the influence of lights, strong light, etc., to ensure that the shooting is performed when all laser emitting devices and supplementary light devices are turned off
- the purpose of taking the third environment image is to make the difference between the pixels in the first environment image and the corresponding pixels in the third environment image to obtain a corrected laser image, so as to reduce the alignment of the external light source as much as possible effects of lasers. For example, when the target object is illuminated by natural light, a natural light image is obtained, and the laser ranging result of the target object in the scene under sunlight is optimized, and then the distance between the target object and the camera device can be obtained according to the corrected laser image.
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Abstract
Description
Claims (21)
- 一种自移动设备,其特征在于,包括:设备主体,所述设备主体的前侧设置有缓冲部件;线激光模组,设置于所述设备主体和所述缓冲部件中的至少一个,并位于所述缓冲部件与所述设备主体之间,所述线激光模组包括用于采集环境图像的摄像装置,在所述缓冲部件的与所述摄像装置相对的位置处设置有第一窗口,以使得外部环境光能够进入所述摄像装置;以及红外补光灯,设置于所述缓冲部件上。
- 根据权利要求1所述的自移动设备,其特征在于,还包括:滤光片,设置于所述摄像装置的前方,用于使得仅红外光能够进入所述摄像装置;控制器,设置于所述设备主体上,与所述红外补光灯和所述摄像装置相连接,用于控制所述补光灯的开启或者关闭,并根据所述摄像装置捕获的环境图像对所述设备主体进行功能控制。
- 根据权利要求2所述的自移动设备,其特征在于,所述线激光模组还包括:固定座,所述摄像装置设置于所述固定座上;线激光发射器,设置于所述固定座上,并位于所述摄像装置的至少一侧,所述线激光发射器用于发出投影呈线形的激光,在所述缓冲部件的与所述线激光发射器相对的位置处设置有第二窗口,以使所述线激光发射器发射的激光能够从缓冲部件向外发射;其中,所控制器与所述摄像装置和所述线激光发射器相连接,并控制所述摄像装置与所述线激光发射器相互配合工作。
- 根据权利要求3所述的自移动设备,其特征在于,所述线激光发射器与所述固定座活动连接,和/或所述固定座为活动结构,以使所述线激光发射器的方位朝向角和旋转角可调节。
- 根据权利要求4所述的自移动设备,其特征在于,所述固定座包括本体、端部和连接件,所述摄像装置设置于所述本体,所述线激光发射器通过所述连接件的通孔穿设于所述连接件中,所述线激光发射器与所述连接件转动连接,能够对所述线激光发射器的旋转角进行调节,所述连接件与所述端部活动连接,能够对所述线激光发射器的方位朝向角进行调节。
- 根据权利要求5所述的自移动设备,其特征在于,所述端部设置有定位槽,所述连接件设置有与所述定位槽相适配的凸起结构,所述凸起结构能够在所述定位槽内水平转动以带动所述线激光发射器相对于所述端部转动。
- 根据权利要求4所述的自移动设备,其特征在于,所述固定座包括本体、端部和连接部,所述端部位于所述本体的两侧,并通过所述连接部与所述本体连接,所述摄像装置设置于所述本体,所述线激光发射器设置于所述端部;其中,所述连接部与所述本体枢转连接,能够对所述线激光发射器的方位朝向角进行 调节,所述端部与所述连接部转动连接,能够对所述线激光发射器的旋转角进行调节。
- 根据权利要求4所述的自移动设备,其特征在于,所述固定座包括本体、端部和限位部,所述端部位于所述本体的至少一侧,所述摄像装置设置于所述本体,所述线激光发射器设置于所述端部处;其中,所述端部与所述本体转动连接,能够对所述线激光发射器的旋转角和方位朝向角进行调节,所述限位部设于所述端部和所述本体之间并对所述端部相对于所述本体的转动进行位置限定。
- 根据权利要求4所述的自移动设备,其特征在于,所述固定座包括本体和位于所述本体两侧的端部,所述摄像装置设置于所述本体,所述线激光发射器活动地设置于所述端部;其中,所述端部与所述本体枢转连接,能够对所述线激光发射器的方位朝向角进行调节,所述线激光发射器与所述端部转动连接,能够对所述线激光发射器的旋转角进行调节。
- 根据权利要求4所述的自移动设备,其特征在于,所述固定座设置有安装腔,所述线激光发射器活动地设置于所述安装腔内,所述安装腔包括第一端和第二端,所述第一端的横截面面积小于所述第二端的横截面面积,且所述第一端的横截面面积大于所述线激光发射器的横截面面积;其中,所述线激光发射器的前端靠近所述第一端,所述线激光发射器相对于所述安装腔转动,能够对所述线激光发射器的旋转角进行调节,所述线激光发射器的后端相对于前端摆动,能够对所述线激光发射器的方位朝向角进行调节。
- 根据权利要求3至10中任一项所述的自移动设备,其特征在于,所述线激光发射器呈圆柱状,所述线激光发射器的外周侧设置有第一台阶结构;所述固定座设置有用于安装所述线激光发射器的安装槽,所述安装槽的内壁设置有第二台阶结构;其中,所述第一台阶结构和所述第二台阶结构相适配,用于对所述线激光发射器沿轴向方向的移动进行位置限定。
- 根据权利要求2至10中任一项所述的自移动设备,其特征在于,还包括:充电桩,其适于与所述设备主体连接或分离,所述充电桩包括红外发射装置,用于发射红外信号;所述线激光模组还包括回桩定位装置,用于接收从所述充电桩发射的红外信号;其中,所述控制器与所述回桩定位装置相连接,并根据所述回桩定位装置接收到的红外信号引导所述设备主体与所述充电桩进行对接,并在所述设备主体与所述充电桩成功对接时,向所述充电桩发射红外信号。
- 根据权利要求1至10中任一项所述的自移动设备,其特征在于,所述缓冲部件包括撞板和弹性件,所述撞板和所述设备主体通过弹性件连接,所述线激光模组位于所述撞板的内侧,所述补光灯设置于所述撞板,所述撞板的外部设有橡胶垫 层。
- 根据权利要求1至12中任一项所述的自移动设备,其特征在于,还包括:设备控制模块,用于根据从环境图像得到的障碍物位置信息和障碍物类型信息来控制自移动设备移动。
- 根据权利要求14所述的自移动设备,其特征在于,还包括:提醒装置,其与所述设备控制模块连接,以控制所述提醒装置通过发声和发光中的至少一种方式发出警报。
- 一种自移动设备,其特征在于,包括:设备主体,所述设备主体的前侧设置有缓冲部件;控制器;以及线激光模组,所述线激光模组包括摄像装置和线激光发射器,所述线激光模组设置于所述设备主体上,所述控制器与所述摄像装置和所述线激光发射器电连接,并根据所述摄像装置捕获的环境图像对所述自移动设备进行控制。
- 根据权利要求16所述的自移动设备,其特征在于,还包括:红外补光灯,设置于所述缓冲部件上;所述控制器与所述补光灯相连接,用于控制所述红外补光灯的开启或者关闭。
- 根据权利要求16所述的自移动设备,其特征在于,所述摄像装置在所述线激光发射器开启时采集第一环境图像,在所述补光灯开启时采集第二环境图像;根据所述第一环境图像获得目标物体与所述摄像装置之间的距离;根据所述第二环境图像对所述目标物体进行识别。
- 根据权利要求16所述的自移动设备,其特征在于,在关闭所述线激光发射器和所述补光灯时,所述摄像装置采集第三环境图像;将所述第一环境图像中的像素点与所述第三环境图像中对应位置的像素点做差,获得修正激光图像;根据所述修正激光图像获得所述目标物体与所述摄像装置之间的距离。
- 根据权利要求16所述的自移动设备,其特征在于,所述第一环境图像由所述摄像装置在预设的第一曝光参数下采集获得;所述第二环境图像由所述摄像装置在第二曝光参数下采集获得,所述第二曝光参数是根据采集的前一帧第二环境图像的成像质量并结合当时的曝光参数来获得的;其中,所述第一曝光参数包括第一曝光时间和/或第一曝光增益,且所述第二曝光参数包括第一曝光时间和/或第一曝光增益。
- 根据权利要求16所述的自移动设备,其特征在于,所述摄像装置的前方设置有滤光片,用于使得仅仅红外光能够进入所述摄像装置。
Priority Applications (2)
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| US18/281,225 US12504771B2 (en) | 2021-03-08 | 2021-08-19 | Autonomous mobile device |
| EP21929831.2A EP4307070A4 (en) | 2021-03-08 | 2021-08-19 | SELF-MOVING DEVICE |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110252333.3A CN113031607A (zh) | 2021-03-08 | 2021-03-08 | 自移动设备 |
| CN202110252333.3 | 2021-03-08 |
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| WO2022188365A1 true WO2022188365A1 (zh) | 2022-09-15 |
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| EP (1) | EP4307070A4 (zh) |
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| CN113031607A (zh) * | 2021-03-08 | 2021-06-25 | 北京石头世纪科技股份有限公司 | 自移动设备 |
| CN112864778A (zh) * | 2021-03-08 | 2021-05-28 | 北京石头世纪科技股份有限公司 | 线激光模组和自移动设备 |
| CN112909712A (zh) * | 2021-03-08 | 2021-06-04 | 北京石头世纪科技股份有限公司 | 线激光模组和自移动设备 |
| CN113960562A (zh) * | 2021-08-17 | 2022-01-21 | 科沃斯机器人股份有限公司 | 结构光模组及自移动设备 |
| WO2023181294A1 (ja) * | 2022-03-24 | 2023-09-28 | 本田技研工業株式会社 | 自律作業機、自律作業機の制御方法、プログラム及び記憶媒体 |
| CN222955372U (zh) * | 2024-03-20 | 2025-06-10 | 北京石头世纪科技股份有限公司 | 一种模组总成以及清洁设备 |
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| CN211933925U (zh) * | 2020-01-03 | 2020-11-17 | 深圳飞科机器人有限公司 | 清洁机器人 |
| CN113031607A (zh) * | 2021-03-08 | 2021-06-25 | 北京石头世纪科技股份有限公司 | 自移动设备 |
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| KR102155095B1 (ko) * | 2019-03-26 | 2020-09-11 | 엘지전자 주식회사 | 로봇 청소기 |
| KR102243179B1 (ko) * | 2019-03-27 | 2021-04-21 | 엘지전자 주식회사 | 이동 로봇 및 그 제어방법 |
| CN110974083B (zh) * | 2019-12-30 | 2025-08-01 | 科沃斯机器人股份有限公司 | 结构光模组及自主移动设备 |
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2021
- 2021-03-08 CN CN202110252333.3A patent/CN113031607A/zh active Pending
- 2021-08-19 EP EP21929831.2A patent/EP4307070A4/en active Pending
- 2021-08-19 WO PCT/CN2021/113644 patent/WO2022188365A1/zh not_active Ceased
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| US20190329421A1 (en) * | 2016-02-09 | 2019-10-31 | Cobalt Robotics Inc. | Wireless tag detection and localization by a mobile robot |
| CN109103798A (zh) * | 2018-08-26 | 2018-12-28 | 国网新疆电力有限公司和田供电公司 | 一种变电站用巡检系统 |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20250028336A1 (en) | 2025-01-23 |
| EP4307070A4 (en) | 2025-02-19 |
| EP4307070A1 (en) | 2024-01-17 |
| CN113031607A (zh) | 2021-06-25 |
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