865 results about "Combine harvester" patented technology

The disclosure relates to the system and methods for generating a guidance path for automated navigation of large agricultural equipment. Vehicle path data from leading vehicles can be recorded, stored or inputted into the system for generation of guidance paths offset from the swaths traversed by the leading vehicle. Combines, planters sprayers and other vehicles utilizing guidance system can be used to record leading vehicle data for use by the following vehicle in real time or in subsequent cycles. Enterprise systems can manage multiple grain carts and / or combines or other vehicles to maximize efficiency.

The invention provides an intelligent fault diagnosis and safety protection method for a combine harvester, and the method comprises the steps: carrying out the quantitative analysis of the influence degree of a fault on the system safety and operation continuity through a risk assessment model, calculating a fault danger grade score through combining historical fault data and equipment aging state information, and carrying out the calculation of the fault danger grade score. A five-level danger classification result from slight danger to serious danger is obtained; acquiring system response data after isolation control is executed, monitoring running state changes and load redistribution conditions of residual normal parts, adjusting control parameters through a real-time feedback mechanism, and judging the effectiveness of isolation measures and the maintenance degree of system stability; a closed-loop feedback mechanism is adopted to continuously monitor the fault isolation effect and the system operation performance, key data in the processing process are collected to update fault diagnosis model parameters, the risk level evaluation accuracy and the protection range division rationality are optimized, and a continuously improved intelligent fault diagnosis and safety protection system is obtained.

A grain loss detector disposed on a combine harvester to detect grain loss within crop material being discharged by a separating or cleaning stage component of combine harvester while harvesting a crop. The grain loss detector includes at sensor generating sensor data output. A computing device receives the sensor data output for processing via software which compares the sensor data output against crop data characteristics to identify any grain kernels from among material other than grain. In one embodiment the sensor is a camera and the generated sensor data output is a digital image frame capturing the grain kernels and material other than grain passing the camera.

The invention provides a grain impurity rate and breakage rate monitoring system and method for a combine harvester. The grain impurity rate and breakage rate monitoring system comprises a grain sampling device, an image acquisition device and a control device, the grain sampling device is installed on the side wall of the vertical grain conveying barrel, a grain inlet of the grain sampling device is connected with a grain outlet hole in the side wall of the vertical grain conveying barrel through a hose, and a grain outlet of the grain sampling device is connected with a feeding port of the image acquisition device through a connecting pipe; the image acquisition device is connected with the control device, an image acquisition module of the control device controls the image acquisition device to acquire a grain image, and online calculation of the impurity rate and the breakage rate of the grain is realized on the grain image through a YOLOv8-Seg instance segmentation model of the image processing module in combination with an impurity rate and breakage rate mathematical model; finally, a detection result is displayed on a display screen in real time, visual numerical values can be provided for an operator of the combine harvester, and the operator is helped to adjust working parameters of the harvester. The method can be used for harvesting rice, wheat, oilseed rape and soybeans, and has wide applicability.

Weed seeds are destroyed in the chaff from a combine harvester by primary and secondary destructors where the primary feeds to the secondary. The secondary can use repeated high speed impacts caused by a rotor mounted in one of a pair of side by side housings which accelerate the discarded seeds in a direction centrifugally away from the rotor onto a stator including angularly adjustable stator surfaces around the axis. The primary can also use an impact arrangement of a different and simplified structure or can use another destruction modality such as radiation. The primary is mounted at a transfer device including a transverse auger which carries the chaff and weed seeds from the rear of the sieve to the secondary.

The present invention discloses a self-propelled cyperus chinensis combine harvester, belonging to the field of agricultural machinery technology. The harvester comprises a vehicle body, the front end of which is connected to a digging platform; a conveyor plate chain is provided on the digging platform, the rear end of which is connected to an elevator chain mechanism fixedly connected to the vehicle body; the rear end of the elevator chain mechanism extends into the front portion of a screen drum; a rotatable shaft is provided at the center of the screen drum; a plurality of grass guide blades and a plurality of throw ropes are connected to the shaft; a reciprocating vibrating screen is connected to the vehicle body below the screen drum; the outlet end of the berry elevator is located above a storage bin fixedly connected to the vehicle body; and a plurality of small sieve holes are formed on the collecting plate, the chain belt of the conveyor plate chain, and the chain belt of the elevator chain mechanism. While the space of the self-propelled vehicle body is limited, the present invention includes a five-stage screening mechanism, which has a strong soil screening capacity and can effectively screen out clods of soil carried by cyperus chinensis roots, thereby improving the efficiency and quality of cyperus chinensis harvesting.

The invention relates to the technical field of safety control, and particularly discloses a safety control method, device and system for a combine harvester, and the method comprises the steps: judging whether the combine harvester meets a starting condition or not based on the position of a handle of the combine harvester, and the rotating speed value, the battery voltage value and the excitation voltage value of an engine of the combine harvester; and after the combine harvester meets the starting condition, if a target control signal of a main clutch of the combine harvester is received, and the combine harvester meets a preset condition corresponding to the target control signal, the main clutch is controlled. The method can effectively solve the potential safety hazard caused by the fact that the vehicle starting condition is judged only by depending on the position of a handle in the prior art, makes up for the defect that multi-dimensional verification is not carried out in combination with the engine state, and can prevent illegal vehicle starting caused by sensor faults or instantaneous misoperation. And meanwhile, the problem that wrong actions are executed when a combination signal is triggered by mistake before the combine harvester is started is avoided, and the operation safety and the equipment reliability of the combine harvester are improved.

Method and corresponding system for estimating crop yield from vegetation index data. At least one multispectral image (201) including a field is obtained. The part of the multispectral image (201) that represents the agricultural field (301) is delineated, and vegetation indices for locations within the agricultural field (301) are derived from the multispectral image (201). Samples of actual yield data representing yield measurements for locations within the agricultural field (301) are obtained as measured by a yield monitor on a combine harvester (208) used to harvest selected areas of the agricultural field (301). By correlating the vegetation indices with the yield data, a relationship between respective vegetation index values and corresponding absolute yield estimates is determined. The determined relationship can be used to obtain estimates of actual yield from different parts of the field, and this information can be used to identify field maintenance needs, fertilization rates, and more.

A rear module, as illustrated with tanks, seed blowers, and transfer pump for fertilizer is mounted on the existing design frame, axle, and steering system; but it is a separate, distinct module. The planting module and the harvesting module must be disconnected from the common front module power unit and switched for planting row crops or harvesting. The harvesting configuration can have an attachment to the header to seed non row crops, such as, a cover crop like rye or canola Such rear module can be the rear unit of an articulated vehicle, such as a harvester.

A system and method for generating a guidance path for automated navigation of large agricultural equipment. Vehicle path data from leading vehicles can be recorded, stored or inputted into the system for generation of guidance paths offset from the swaths traversed by the leading vehicle. Combines, planters sprayers and other vehicles utilizing guidance system can be used to record leading vehicle data for use by the following vehicle in real time or in subsequent cycles. Enterprise systems can manage multiple grain carts and / or combines or other vehicles to maximize efficiency.

A grain cleaning system for a combine harvester having a transmitter adapted to transmit a base signal at a known frequency and one or more spaced receivers for detecting signals of a different frequency as reflected from airborne grain and other materials within the duct of the grain cleaning system. An Electronic Control Unit modulates the base signal and the reflected signals to obtain Doppler signals or frequencies from which an average particle velocity is determined. The particle velocity is used as an input parameter for the generation of control signals for the adjustment of various working units of the combine harvester including, by way of example, the fan and sieves.

The invention discloses a self-adaptive regulation and control method applied to a combine harvester. The combine harvester comprises a movable chassis, and a seedling pulling and harvesting device, a material conveying channel, a threshing device and a cleaning device which are mounted on the movable chassis; the cleaning device comprises a vibrating screen and a vibrating screen driving mechanism; the plurality of vibrating screens are tightly arranged; the vibrating screen driving mechanism comprises a central driving shaft and a plurality of eccentric shafts; the eccentric shafts and the vibrating screens are equal in number and are respectively connected through connecting pieces one by one; two ends of the eccentric shaft are respectively connected with the central driving shaft through electric push rods; one end of the connecting piece is rotationally mounted relative to the eccentric shaft, and the other end is fixed on the vibrating screen; all the electric push rods are connected with a controller; the method comprises the steps that distribution information of materials falling on each vibrating screen is obtained, and the left-right distribution condition of the materials is obtained; on the basis of the left-right distribution condition, all the electric push rods are adjusted to operate so as to adjust the amplitude of all the vibrating screens.

A modular concave assembly for a combine harvester includes a frame having a distal end configured to mount to an inner concave support structure of the combine harvester and a proximal end configured to mount to an outer concave support structure of the combine harvester. The frame includes left and right side plates, a distal end plate, a proximal end plate and a transverse plate disposed between the distal end plate and proximal end plate thereby defining a first frame opening and a second frame opening. A first grate section is sized to be removably received within the first frame opening. A second grate section is sized to be removably received within the second frame opening. At least one of the first and second grate sections configured to mount to the transverse plate each of the first and second grate sections.

The invention discloses a combined harvester multi-cluster networking system and method based on a hierarchical Mesh architecture. The combined harvester multi-cluster networking system comprises an intelligent WI-SUN node module, a wireless Mesh network routing gateway, a bypass route, a repeater and a cloud server. And the intelligent WI-SUN node modules are deployed on each combine harvester. The intelligent WI-SUN node module is used for realizing a communication network in a cluster; and each combine harvester performs intra-cluster data transmission with the combine harvesters in the cluster through a built-in intelligent WI-SUN node module. And wireless Mesh communication between clusters is realized by the master node and the wireless Mesh network routing gateway of the clusters, and data aggregation is completed through a bypass route and is transmitted to a cloud server. Therefore, the combined harvester cluster based on the hierarchical Mesh architecture can realize a larger communication range, better penetration capability and anti-interference capability, is suitable for low-power design of large-scale equipment connection, and remarkably improves the real-time acquisition and transmission reliability of agricultural operation data.

The invention discloses an automatic path tracking method and system for a crawler-type combine harvester, and belongs to the technical field of unmanned driving of agricultural machinery, and the method comprises the following steps: automatic on-line: obtaining a current position and a current course, carrying out transverse deviation calculation and judgment, adjusting the advancing direction of the harvester, and enabling the harvester to be on-line rapidly; linear path tracking: calculating a transverse deviation and a course deflection angle in real time and finely adjusting the harvester; performing current operation path termination judgment: performing distance judgment, angle judgment and area judgment on the current position of the harvester to obtain a current operation path termination judgment result, and determining whether the harvester reaches the terminal point of the current operation path or not; and right-angle turning: performing right-angle turning to realize accurate line feed operation of the harvester. According to the invention, the problem that the working efficiency is low due to the fact that the existing tracked vehicle cannot quickly go on line and control right-angle turning is solved. According to the method, high-precision path tracking is ensured, and meanwhile, the working efficiency and the stability of a control system are improved.

The present disclosure includes devices methods and systems for detecting lost crop in a work machine operation. The method may include receiving ground speed data from one or more speed detection systems. The method may include receiving crop condition data from one or more feed data sensors. The method may include determining one or more crop condition states based at least in part on one or more of the ground speed data and the crop condition data. The method may include determining lost crop based at least in part on the one or more crop condition states. The method may include adjusting one or more combine operation parameters based at least in part on the determination of lost crop.

The invention relates to the technical field of agricultural machinery intelligent control, in particular to a combine harvester track trafficability control method based on visual inspection, which comprises the following steps: S1, predicting a motion track based on the real-time traveling speed and steering angle of a harvester; s2, extracting a real-time terrain slope angle of the trajectory region; s3, determining a target grounding pressure distribution mode required by the track in the predicted track area; s4, calculating a target hydraulic flow distribution proportion used for controlling a walking motor; and S5, the hydraulic valve group is controlled to adjust the oil supply amount according to the target flow distribution proportion. Through linkage of visual perception and hydraulic control, segmented self-adaptive adjustment of the track grounding pressure is achieved, and the trafficability and operation stability of the combine harvester under complex terrains are effectively improved.

The present invention relates to the technical field of agricultural equipment intelligence, and relates to a combine harvester speed control method and control system. The combine harvester speed control method comprises: acquiring the phenotypic characteristics of a crop and the operation speed and the working width of the harvester; inputting the phenotypic characteristics, the operation speed and the working width into a feed rate prediction model to output a feed rate prediction value; calculating a first speed control value on the basis of the feed rate prediction value and a feed rate rated value so as to adjust the speed of the harvester to a first speed; acquiring mechanical characteristics of the harvester after the crop enters the harvester; inputting the phenotypic characteristics and the mechanical characteristics into a feed rate detection model to output a feed rate accurate value, wherein the feed rate detection model is a multi-modal detection model obtained by means of data pre-training; and calculating a second speed control value by means of a speed fine-control model on the basis of the feed rate accurate value and the feed rate rated value so as to adjust the speed of the harvester to a second speed.

A combine harvester serving as a work vehicle includes a cabin covering a driving section, and a receiving device for measuring a position in a work site based on positional information. The receiving device is installed in a position on a rear side relative to a front-rear center position in a front-rear direction of a machine body with respect to the cabin.

The invention relates to the technical field of agricultural machinery, in particular to a full-electric drive grain harvester. The full-electric drive grain harvester comprises a diesel generating set, an electric control cabinet, a plurality of frequency converters, a plurality of drive motors and a plurality of loads. The plurality of frequency converters, the plurality of driving motors and the plurality of loads are in one-to-one correspondence; the electric control cabinet receives alternating current output by the diesel generating set, converts the alternating current into direct current and distributes the direct current to the frequency converters. The frequency converter receives the direct current distributed by the electric control cabinet, converts the direct current into variable-frequency alternating current and outputs the variable-frequency alternating current to the corresponding driving motor; and the driving motor receives the variable-frequency alternating current output by the frequency converter and controls the corresponding load to act. The full-electric drive grain harvester solves the problems that a traditional grain combine harvester is low in transmission efficiency, poor in system reliability, high in failure rate, poor in energy-saving effect, large in pollutant emission, large in vibration and large in equipment noise.

The invention relates to the technical field of agriculture, and discloses a rice and wheat combine harvester cleaning device intelligent regulation and control method based on rice and wheat attributes, and the method comprises the steps: standardizing a field operation environment, a cleaning loss rate, an impurity rate and operation parameters, and building a historical data case library; according to rice and wheat varieties and attributes input by a user, sorting operation parameters in historical cases are matched through similarity retrieval; automatically adjusting the angle of an air distribution plate, the rotating speed of a fan and the opening degree of an upper screen by taking the matching parameters as initial settings; monitoring the operation data in real time, if the impurity rate is abnormal, adjusting the parameters to a normal range, and storing the final parameters and the operation data into a case library for subsequent retrieval; according to the intelligent regulation and control method for the cleaning device of the rice and wheat combine harvester based on the rice and wheat attributes, it can be guaranteed that the cleaning loss rate and the cleaning impurity rate are kept within the normal range at the same time, the operation efficiency of the combine harvester is improved, and crop losses are reduced.

The invention discloses a soybean low-crushing threshing multivariable collaborative optimization control method and system, and relates to the field of agricultural machinery automation control. The method comprises the following steps: acquiring grain harvesting and threshing related data at the current moment; based on grain harvesting and threshing related data, soybean low-crushing threshing multivariable cooperative control is carried out, and the rotating speed of a target roller and the opening degree of a concave grid are solved; and outputting a control instruction according to a solving result to realize online regulation and control of the rotating speed of the roller and the opening degree of the concave sieve. The intelligent level of the grain combine harvester can be effectively improved, high-quality and low-loss harvesting of grain harvesting is achieved, grain saving and loss reduction of grain harvesting are achieved, and agricultural economic benefits are effectively improved.

The invention relates to the technical field of agricultural machinery blockage detection, and discloses a combined harvester blockage detection method and system, electronic equipment and a storage medium, and the method comprises the steps: obtaining a hydraulic pressure signal time sequence of a first preset part of a combined harvester, and a vibration signal time sequence of a second preset part, obtaining a material distribution image of the combine harvester; and inputting the hydraulic pressure signal time sequence, the vibration signal time sequence and the material distribution image into a trained blockage detection model to obtain a predicted blockage position. By integrating various sensor data, the running state of the machine is comprehensively captured, the accuracy of blockage position judgment is improved, and therefore the overall working efficiency and economical efficiency of the combine harvester are improved.

Combine harvesters may include crop processing systems having a grate subassemblies with flaps that, in some instances, are divided into groups that are independently movable and moveable in opposite directions between a fully open position and a fully closed position. Further, each of the grate assemblies may include an actuator that is operable to actuate simultaneously a portion of the flaps on each of the grate assemblies.

The invention discloses a parameter-adjustable cleaning system of a combine harvester and a regulation and control method of the parameter-adjustable cleaning system, and relates to the technical field of parameter-adjustable cleaning systems.The cleaning system comprises a loss rate sensor for collecting the loss rate, an impurity rate sensor for collecting the impurity rate, and a control module for controlling the parameter-adjustable cleaning system; the processor determines the optimal fan rotating speed, the first optimal opening degree and the second optimal opening degree based on the loss rate and the impurity rate and sends out a first control instruction based on the optimal fan rotating speed, sends out a second control instruction based on the first optimal opening degree and sends out a third control instruction based on the second optimal opening degree, and the fan rotating speed regulator works based on the first control instruction. And the rotating speed of the fan is adjusted to the optimal rotating speed of the fan, the first screen piece adjuster works based on the second control instruction, the opening degree of the upper screen is adjusted to the first optimal opening degree, and the second screen piece adjuster works based on the third control instruction, and the opening degree of the lower screen is adjusted to the second optimal opening degree. The control effect can be improved, and the harvesting loss can be reduced.

The invention discloses a combine harvester reel speed self-adaptive adjustment method, and relates to the technical field of agricultural machinery, and the method comprises the steps: obtaining the current vehicle speed and the current reel linear speed of a combine harvester to be adjusted according to a self-adaptive starting instruction given by a user; when the current reel linear speed is larger than the maximum value corresponding to the current vehicle speed and meets a first preset condition, the speed regulation current output value in the next speed regulation period is controlled to be reduced by a first preset numerical value, and the speed regulation current is used for adjusting the rotating speed of a reel so that the reel speed of the combine harvester to be adjusted can reach the target reel speed; and when the current reel linear speed is smaller than the minimum value corresponding to the current vehicle speed and a second preset condition is met, the speed regulation current output value in the next speed regulation period is controlled to be increased by a second preset numerical value. The device can ensure that the speed of the reel is always in a reasonable range matched with the vehicle speed, so that the quality and efficiency of harvesting operation are effectively improved.

In a combine harvester, a hinged door provides access to an aperture in a wall of a walled compartment. A camera may be attached to the door, for monitoring the interior of the compartment. The door is configured to be locked and unlocked by an overcenter mechanism and requires an auxiliary tool for locking and unlocking the mechanism. The mechanism includes a pivotable rod pivotable about a first pivot axis relative to the door, and an overcenter arm that is pivotable at one end relative to a lever fixed to or integral with the rod. The other end of the overcenter arm is attachable to the wall including the aperture covered by the door. The overall dimensions of the mechanism are such that pivoting the rod to thereby lock or unlock the mechanism requires an auxiliary tool. A wrench or similar gripping tool may be used for pivoting the rod.

The utility model belongs to the technical field of mechanical structures, and particularly relates to a hybrid power system of a combine harvester, which comprises a master controller, a battery component, a generator, a threshing mechanism, a header conveying mechanism, a diesel engine, a traveling mechanism, a fan device and an auger vibrating screen mechanism. The battery assembly and the generator are electrically connected with the master controller. The diesel engine is electrically connected with the master controller through the engine controller; the threshing mechanism and the header conveying mechanism are electrically connected with the master controller through the electric drive unit. The power output end of the diesel engine is sequentially connected with the fan device, the walking mechanism and the generator, and a clutch I is arranged between the walking mechanism and the diesel engine; and the auger vibrating screen mechanism is in transmission connection with the power output end of the fan device. According to the technical scheme, energy utilization and economical efficiency are both considered, pollutant emission is reduced, endurance and operation efficiency is improved, power transmission control is flexible, mechanism driving modes are diversified, and many disadvantages of a traditional power system are overcome.

A cutter bar assembly for an agricultural vehicle header includes a cutter bar supported by movable arms extending from a header frame and capable of operation in flex and rigid modes. The support arms are joined to the header frame such that they may be displaced from a raised position in the rigid mode when subjected to a lifting force due to striking an obstacle without damage to the header structure. Also, an agricultural vehicle header and an agricultural combine harvester includes the cutter bar assembly.

The invention relates to the technical field of operation path planning, in particular to a combined harvester wetland operation path planning method based on particle swarm optimization, and the method comprises the following steps: S1, building a wetland passage probability model, and outputting the passage probability value of each position point; s2, constructing a rasterized passable probability matrix based on the pass probability values output in S1; s3, designing a wetland fitness weight function taking a path point passing probability accumulated value as a core; s4, executing a particle swarm optimization algorithm, and outputting a global optimal path point sequence; and S5, performing arc interpolation processing on the global optimal path point sequence output in the S4 to generate an operation path. According to the method, through fusion of passage probability modeling and arc interpolation optimization, a continuous and feasible wetland operation path is generated on the premise of meeting the turning constraint of the combine harvester, so that the path trafficability and the operation execution stability are improved.