281 results about "Lawn mowing" patented technology

The smart robotic lawn mowing system utilizes the ultrasonic and RF sensors installing on the mower base and stands to define the mowing region, to track the position of the robotic lawn mower base, and to control and monitor the mowing routs. The installed sensors form a network for the system to determine the relative distances in between stands and robotic lawn mower base, and therefore the mowing is done with a controlled manner. The sensors are coupled together, and users, based on the application of the invention, can define the mowing sequences of the mowing zones, the areas of the mowing zones, and the mowing routes. The control of the mower may be wireless and users are able to monitor and modify the settings with a computer, a cell phone, and a tablet through wireless network, a wifi, and an internet.

Provided is a lawn mower for forming images. The lawn mower includes: an image input unit receiving an image to be formed in a lawn area; a position detection unit detecting position information of the lawn mower on a movement path of the lawn mower; a lawn mowing unit processing a lawn according to any one of a plurality of lawn processing patterns which corresponds to each position on the movement path while the lawn mower moves along the movement path; and a control unit analyzing the image received from the image input unit, determining a lawn processing pattern, which corresponds to the position information detected by the position detection unit, to express the image in the lawn area and controlling the lawn mowing unit according to the determined lawn processing pattern and independently of the movement path.

The present invention relates to an arrangement and electronic navigational control system for a self-propelling device (5), preferably a lawn-mowing robot. The system comprises at least one navigational control system (3) connected to at least one signal generator (1) and a sensing unit arranged at the self-propelling device (5). The sensing unit senses at least one, in the air medium propagating, time and space varying magnetic field, at least transmitted via the navigational control station (3) and in turn retransmits at least one signal processed by the unit to at least one driving source which contributes to the device's movements across the surface. The system comprises means by which the signal generator (1) sends a current through the navigational control station (3), the current generating the time and space varying magnetic field, whereby the sensing unit comprises means by which the device (5) is manoeuvred based on the properties of the sensed magnetic field.

At least some embodiments of the present invention disclose a robotic lawn mowing system coupled with boundary stands to control and to monitor the moving of the robotic lawn mower. The robotic lawn mower uses boundary stands to identify the lawn boundary, to determine the position of the robotic lawn mower in a lawn, and to define the mowing routes. The ultrasonic and RF devices are placed on the robotic lawn mower and on the boundary stands. Based on the disclosed technology, users can define and design the mowing routes to mow the lawn according to their preferences. The control of the robotic lawn mower may be wireless, and users may monitor and control the robotic lawn mower with a computer, a cell phone, or a tablet through a wireless network.

A control arrangement for a lawn mower that selectively prevents operation of the lawn mower in the reverse direction with the lawn mowing mechanism operating. The arrangement includes structure (e.g., a bypass switch) actuatable by a lawn mower operator to permit the operation of the lawn mowing mechanism while the mower is propelled in the reverse direction as a bypass mode. Circuitry interacts with engine operation circuit to cause the operation circuit to selectively terminate operation of the engine when the lawn mowing mechanism is operating, as indicated by a lawn mowing mechanism switch, and the motive drive arrangement is selected to propel the lawn mower in a reverse direction, as indicated by a motive drive arrangement switch, except when the bypass mode is established. The circuitry also terminates the bypass mode when the lawn mower operator is absent as indicated by a operator present switch.

The present invention provides a precise automatic lawnmower distributed beacon laser positioning and trajectory control system. In the aspect of hardware, a distributed communication structure formed by an RS485 bus and a radio frequency module is employed, each module internal algorithm runs independently, the data traffic of the system is reduced greatly, the communication block is eliminated, and the system processing speed is improved. In the aspect of software, the functions of laser automatic scanning, distributed beacon distance measurement, motion trend judgment, ultrasonic distance measurement, wireless communication, trajectory control, automatic collision prevention are combined together, the precise automatic mowing function of the intelligent precise automatic lawnmower is realized, and the requirements of beautifying a lawn and the purpose of saving energy and protecting environment are achieved through intelligent precise and automatic lawn mowing. The system is also applicable to the automatic navigation and track control of an automated guided vehicle (AGV).

Apparatuses and methods are provided for controlling a self-propelled machine, such as a lawn mowing machine, including a housing, an engine attached to the housing, a variable speed transmission, and a twist-grip throttle control. The variable speed transmission can propel the mowing machine, and the twist-grip throttle control can be operatively connected to the variable speed transmission for controlling the variable speed transmission. Self-propelled speed of the mowing machine can therefore be controlled by operating the twist-grip throttle control. The twist-grip throttle control is designed to integrally retain an operator presence control so that only a single control needs to be used by the operator during use of the mowing machine.

The invention relates to a lawn pruning appliance, in particular to a lawn pruning and patterning robot and a control system and method thereof. The robot comprises a vehicle body, a walking mechanism, a steering mechanism, a pruning mechanism and wheels, wherein the vehicle body comprises a cover and a base, the cover and the base are connected to form a closed cavity, and the wheels are arranged on the outer side of the cover; the walking mechanism is arranged in the closed cavity, and a transmission shaft of the walking mechanism penetrates through the cover and is connected with the wheels; the steering mechanism is arranged in the closed cavity, and a connecting shaft of the steering mechanism penetrates through the cover and is connected with the wheels. The pruning mechanism comprises a mowing motor, a blade shaft and blades, wherein the mowing motor is connected into the closed cavity, the blades are arranged under the base, and the blade shaft penetrates through the base and is connected with the mowing motor and the blades. Through the mutual coordination effect of the steering mechanism, the walking mechanism and the control system, a traditional manual operation mode is abandoned; the patterning capability is realized through the mutual coordination effect of the pruning mechanism, a lifting mechanism and the control system.

A method for aerodynamic noise analysis based on computer value-assisted simulation aims at using a computer to perform a 'numerical experiment', theoretically reproducing the physical process, obtaining the numerical simulation advantages of low cost, easy data acquisition and theoretical problem analysis compared with the experiment, achieving the effects of continuous calculation period shortening and more and more accurate calculation results with development of the computer and a model, using FLUENT fluid data to calculate a fluid in a rotary machine and an MRE model, considering a variable velocity field, a pressure field and turbulence energy, using LMS Virtual lab software to obtain a noise spectrum, analyzing a noise source and acquiring noise data to reduce noise. A lawn mowing machine is provided with an engine of an LPG fuel tank, and artificial-foot protection plates made of a noise elimination material are arranged on two sides of the middle of the mowing machine.

A prior lawn mower uses the negative-pressure produced in a collecting container to suck the object to be cut, and then sends the cut object into a collecting container. To this end, a fan is provided, apart from the original motor for driving the cutter, the fan should additionally have a motor. The known lawn mower should be improved. The improvement is achieved by that the compression plate is concentric with the cutter and is supported all together. Therefore space is saved without using a separate fan, thus the necessary power diminishes. The noise pollution can also be reduced. The invention can be used for lawn mowing.

Apparatuses and methods are provided for controlling a self-propelled machine, such as a lawn mowing machine, including a housing, a handle attached to the housing, and a prime mover attached to the housing with a variable speed transmission for propelling the mowing machine. A variable speed twist control is provided including an elongate body moveable in a twisting manner, the body having an inner channel adapted for guiding a cable control connector operatively connected to the variable speed transmission through a cable for controlling the variable speed transmission, whereby self-propelled speed of the mowing machine can be controlled by operating the twist control.

The invention discloses an intelligent lawn mower based on laser radar map construction, and relates to lawn mowers. The intelligent lawn mower solves the problem that the work efficiency is low because workers need to manually measure and input parameters again when different lawns are cut. The technical scheme main points are as follows: the intelligent lawn mower also comprises a main control module, a feature information module, a laser radar scanning module, a walking control module and a lawn mowing control module; when a lawn mower body starts, the main control module sends out start signals and activates a uniform speed circumferential direction rotation unit and a laser transmitting and receiving unit to construct an electronic map; and the main control module controls the walkingcontrol module to continuously walk and revise the electronic map at different positions. The intelligent lawn mower based on laser radar map construction is free of manual input, and the lawn mowerbody can automatically scan and automatically establish and update the electronic map for the cutting use.

A lawn mower includes a driving source mounting portion formed in a traveling frame, a driving source mounted in the driving source mounting portion, and a lawn mowing unit attached to the driving source. A bottom surface of the traveling frame includes a frame-side seal surface surrounding the lower end of the driving source mounting portion, and a lawn mowing unit peripheral surface surrounding the frame-side seal surface. A waterproof member is in tight contact with the frame-side seal surface. The lawn mowing unit peripheral surface is formed over a range from an outer circumferential edge of the frame-side seal surface to an outer circumferential edge of the lawn mowing unit. A boundary between the frame-side seal surface and lawn mowing unit peripheral surface is formed into the shape of a step.

In an apparatus for controlling operation of a utility vehicle that runs a working area to perform work by a work unit, there provided with a set mowing height inputting unit configured to input a mowing height of lawn mowing work set by a user, a desired mowing height setting unit configured to set a desired mowing height based on the set mowing height inputted by the set mowing height inputting unit, and a mowing height regulating unit configured to regulate height from ground surface of the work unit based on the desired mowing height set by the desired mowing height setting unit.

The invention relates to a method for controlling driving means which are designed to steer and move a robot vehicle (3) that is particularly designed as a lawn mowing vehicle. In said control method, the driving means are controlled in such a way that the robot vehicle (3) travels through several sections (2) of a working area (8) in a specific movement pattern according to a section travel strategy with the help of dead reckoning such that two adjoining course sections (5) overlap with a predefined probability transversely to the direction of travel of the robot vehicle (3). The invention further relates to a robot vehicle (3).

The invention discloses a lawn mowing device driven by a screw to ascend and descend and special for afforestation. The lawn mowing device comprises a main support, an auxiliary support, a lifting frame, a cutting machine and a trimming knife, a rack is slidably mounted on a horizontal sliding rail through a sliding rod, a second driving motor is fixedly mounted on the right side of the inside ofthe lifting frame through a support, a driving bevel gear is mounted on an output shaft of the second driving motor in an interference fit manner, a driven bevel gear is connected on the left side ofthe driving bevel gear in a meshed manner, a half gear is concentrically and rotatably mounted on the driven bevel gear, a main connection rod is fixedly welded on the lower side of the rack, the cutting machine is fixedly mounted on the lower side of the main connection rod, and the trimming knife is mounted on an output shaft of the cutting machine. Through threaded fit between a screw and a slider, height of the lifting frame can be adjusted, ground clearance of the trimming knife is adjusted indirectly, and lawn mowing length is determined accurately; by combining rotation of a roller, andautomatic moving for trimming can be realized; compared with manual trimming, the lawn mowing device is more orderly in lawn mowing, and beautiful degree is increased.

The invention relates to a highly-reliable weeding device for lawn trimming. The highly-reliable weeding device comprises a main body in the shape of a cuboid. A moving device and an operating systemare arranged at the bottom of the main body. A weeding mechanism and an adjusting mechanism are arranged in the main body. The weeding mechanism comprises a driving motor, a transmission shaft, a rotating disc and at least two weeding components. Each weeding component comprises a blade, a connecting rod, a fixing rod, a fixing block, a first slider and a first spring. The adjusting mechanism comprises an adjustment plate, an auxiliary block, a ball and at least four adjustment components. The adjustment plate is perpendicular to the transmission shaft. The driving motor is fastened at the bottom of the adjustment plate. The auxiliary block is fastened at the top of the adjustment plate. The highly-reliable weeding device for lawn trimming has the advantages that the mowing function is achieved through the weeding mechanism, and the function of adjusting angles of the blades is achieved through the adjusting mechanism to prevent the blades from abutting against the ground and being damaged.

The invention discloses a lawn three-dimensional pattern trimming robot system, which comprises a lawn pattern planning system, a positioning system and a mowing robot, wherein the mowing robot comprises a control system, a servo mowing mechanism is arranged on the mowing robot, and the servo mowing mechanism comprises blades; the positioning system is used for demarcating the boundary and obstacles of a lawn map and acquiring the own position of the mowing robot; the lawn pattern planning system is used for automatically generating walking path points of the mowing robot and the blade feed amount corresponding to the walking path points of the mowing robot according to the lawn map boundary demarcated by the positioning system and the lawn design pattern; and the mowing robot determines the walking direction by combining the walking path points and the own position, and adjusts the blade feed amount of the servo mowing mechanism through the control system to complete trimming of the lawn three-dimensional pattern. Three-dimensional patterns can be trimmed on the lawn, so that the ornamental property and diversity of the lawn are enriched, the unmanned mowing level of the lawn is improved, and the working efficiency and safety are ensured.

The invention discloses household lawn mowing equipment. The household lawn mowing equipment comprises a cutter body, an infrared sensor, a smashing box and a material storing box. The cutter body is connected with a telescopic rod through a rotary shaft; a rack is disposed at one end of the telescopic rod; the smashing box is fixedly arranged at the top end of the rack; and a spiral rod is arranged inside the smashing box. The household lawn mowing equipment is simple in structure, low in manufacturing cost and high in practicability. The cutter body is connected with the telescopic rod through the rotary shaft, so that the cutter body is convenient to rotate and can easily cut off grass; the infrared sensor is disposed at the bottom end of the rack and can sense evenness of the ground so that the telescopic rod can be controlled in time, and the rack is disposed at one end of the telescopic rod, so that the damage to the cutter body due to ground unevenness is prevented; a suction fan is disposed at one end of the interior of the smashing box and can suck cut-off grass clippings into the smashing box through pipelines; the spiral rod is disposed inside the smashing box and can further smash the grass clippings, so that reusing is facilitated, saving is achieved, and the environmental friendliness is achieved; and rolling wheels are arranged, so that the mowing equipment is convenient to push and travel, labor is saved, operation is simple, and the equipment is convenient to use.

A combination yard maintenance apparatus used for lawn mowing, leaf clearing and snow blowing comprises a blade assembly having an elongated support member for rotatably mounting to a drive shaft and two shovelling surfaces disposed at opposite ends of the elongated support member extending from the elongated support member downwardly and laterally opposite one from the other. Each shovelling surface has a lower edge with a cutting edge, an upper edge, an inner edge and an outer edge. The present invention also provides a clutch mechanism for engaging and disengaging an input shaft from an output shaft comprising a first and a second threadable engagement associated with the input shaft and output shaft respectively, and an initiator for inducing the engagement of the first and second threadable engagements. A friction-drive self-propelling system is also provided, comprising a driving wheel and a friction disk wherein the driving wheel has central recessed portion.

The invention relates to the technical field of lawn mowers, and particularly discloses a slope driving control method and system of an intelligent lawn mower. When the intelligent lawn mower slides on a slope and deviates from an original route, the optimal driving route can be planned in real time, the deviating intelligent lawn mower can optimally drive back to the original route, the problem that the intelligent lawn mower mows grass in repeated routes in a multi-slope section due to slope factors is solved, the lawn mowing coverage is greatly improved, and the lawn mowing blind area is basically prevented. According to the slope driving control system, by means of a high-reliability three-axis acceleration sensor, a three-axis angular speed sensor and a high-precision MCU control module, the intelligent lawn mower is more sensitive in reaction, more precise in mowing and higher in intelligent degree, the adaptability of the intelligent lawn mower to the complex working environment can be greatly improved, and the application range of the intelligent lawn mower is widened.

A catcher frame apparatus is provided including a catcher frame and a catcher roller mounted to the front lower end of a catcher supporting unit of the catcher frame along the direction of the width of a machine body. The catcher frame is connected to the machine body so as to be capable of rotating about an axis of rotation extending along the direction of the width of the machine body, and the catcher supporting unit of the catcher frame is arranged in front of a lawn mowing unit, so that substantially the entire weight of lawn chips stored in a grass catcher supported by the catcher supporting unit is applied to the catcher roller.

The invention relates to a drive circuit of an automatic mowing machine. The drive circuit includes a mowing machine circuit used for control and communication and a signal transmitting device encircling a working area of the mowing machine. The mowing machine circuit is provided with a single-chip microprocessor used for processing data, a drive IC used for controlling a motor and a plurality of sensors. The single-chip microprocessor of the mowing machine is electrically connected with the sensors and treats data of the sensors. An electromagnetic induction device of the mowing machine receives electromagnetic waves of different intensity and transmitted by the signal transmitting device. The single-chip microprocessor calculates the position of the mowing machine and an advancing mowing line according to the intensity data of electromagnetic waves. The drive circuit provided by the invention has beneficial effects that the mowing machine has functions of automatic mowing, automatic rain escaping, automatic charging, automatic obstacle avoiding, fence electric simulation, network control and the like and has functions of safety detection and battery power detection; lawn mowing can be implemented automatically and manual operation is reduced substantially.