Control Method, Device, Equipment and Medium for Feeding Chamber and Front Feeding Roller of Harvester

Abstract

The present invention relates to a control method, device, equipment and medium for a harvester feeding chamber and a front feeding roller. The method includes: obtaining the current pressure and the target pressure for the feeding chamber and the front feeding roller; respectively converting the current pressure and the target pressure into a current value and a target current value; adjusting a proportional valve according to the current value and the target current value, where the proportional valve includes at least one of a proportional overflow valve, a proportional pressure reducing valve and a proportional flow valve. By the method of the present invention, the proportional valve can be automatically and accurately adjusted without manual adjustment.

Description

Technical Field

[0001] The present invention relates to the technical field of harvesters. Specifically, the present invention relates to a control method, device, equipment and medium for a feeding chamber and a front feeding roller of a harvester. Background Art

[0002] For the tests of the feeding chamber and the front feeding roller of a harvester, the main test items are the chain skipping test of the overbridge sprocket, the clamping load test of the chain rake fasteners, the wear test of the overbridge chain and sprocket, and the fatigue structure test of the chain rake. At present, these tests are mainly carried out through manual operation intervention, and it is necessary to collect data manually at regular intervals to observe the system stability and make responses.

[0003] At present, when conducting the chain skipping test of the overbridge sprocket, the tension of the overbridge conveying chain is adjusted manually by a tensioning wheel; the normal working temperature of the hydraulic oil is 30 - 80 °C. When the system oil temperature is too high, the viscosity of the hydraulic oil decreases, which is likely to cause leakage, resulting in a decrease in efficiency. Furthermore, it leads to a decrease in the strength of the smooth oil film, accelerating the wear of the machinery, generating carbides and sludge, causing the oxidation of the oil to accelerate the deterioration of the oil quality, premature aging of oil seals and high-pressure rubber hoses, etc. The temperature of the hydraulic oil needs to be measured with a temperature gun to collect data. When the hydraulic oil temperature is too high, the system power is manually operated to be turned off.

[0004] Therefore, the following technical problems exist in the prior art:

[0005] 1) There are potential dangerous risks in mechanical regulation operations, which are likely to cause scalding or crushing injuries to personnel.

[0006] 2) The tension of the overbridge conveying chain is adjusted manually, which is troublesome and the tension is not easy to control, resulting in low system control accuracy.

[0007] 3) Manual adjustment requires the system to be shut down for operation, resulting in a long test cycle and disrupting the continuity of system operation.

[0008] 4) The consistency effect of manual temperature measurement is poor.

[0009] 5) The system power cannot be obtained in real time to make corresponding countermeasures. Summary of the Invention

[0010] The technical problem to be solved by the present invention is to provide a control method, device, equipment and medium for a feeding chamber and a front feeding roller of a harvester, aiming to solve at least one of the above technical problems.

[0011] The technical solution of the present invention to solve the above technical problem is as follows: A control method for a feeding chamber and a front feeding roller of a harvester, the method includes:

[0012] Obtain the current pressure and the target pressure for the feeding chamber and the front feeding roller;

[0013] Convert the current pressure and the target pressure into a current value and a target current value respectively;

[0014] Adjust a proportional valve according to the current value and the target current value, where the proportional valve includes at least one of a proportional relief valve, a proportional reducing valve, and a proportional flow valve.

[0015] The beneficial effect of the present invention is that in the solution of this application, after obtaining the target pressure and the current pressure for the feeding chamber and the front feeding roller, the current pressure and the target pressure are first converted into an output current value and a target current value respectively, and then the proportional valve is adjusted according to the current value and the target current value, so that the proportional valve can be adjusted automatically and accurately without manual adjustment.

[0016] Based on the above technical solution, the present invention can be further improved as follows.

[0017] Further, the above method further includes:

[0018] Obtain the current flow value for the feeding chamber and the front feeding roller;

[0019] Determine the system power corresponding to the harvester according to the current pressure and the current flow value, where the system power is the power of the system for adjusting the proportional valve based on the current value.

[0020] The beneficial effect of adopting the above further solution is that based on the currently obtained current flow value and current pressure, the system power can be determined in real time. For the test bench of the feeding chamber and the front feeding roller, the test cycle can be shortened, providing guarantee for the R & D progress.

[0021] Further, the above method further includes:

[0022] Obtain the current oil temperature and the target oil temperature for the harvester;

[0023] When the current oil temperature is greater than the target oil temperature, output a shutdown signal to control the action of the intermediate relay of the harvester, control the output of the frequency converter of the harvester to stop, and generate an alarm message.

[0024] The beneficial effect of adopting the above further solution is that by obtaining the current oil temperature and the target oil temperature in real time, when the current oil temperature is greater than the target oil temperature, automatic protection (outputting a shutdown signal to control the action of the intermediate relay of the harvester and controlling the output of the frequency converter of the harvester to stop) and alarm prompt can be realized.

[0025] Further, the above method further includes:

[0026] When the current oil temperature is not greater than the product of the target oil temperature and the set ratio, the alarm information is cancelled, the shutdown signal is cancelled, and the frequency converter is controlled to resume operation.

[0027] The beneficial effect of adopting the above further scheme is that when the current oil temperature is not greater than the product of the target oil temperature and the set ratio, it indicates that the system cooling is completed, the alarm information can be removed, and the operation can be started in time.

[0028] Furthermore, if the proportional valve includes a proportional relief valve, adjusting the proportional valve according to the current current value and the target current value includes:

[0029] According to the current current value and the target current value, adjusting the proportional overflow threshold value corresponding to the proportional overflow valve to adjust the loading power;

[0030] If the proportional valve includes a proportional pressure reducing valve, adjusting the proportional valve according to the current current value and the target current value includes:

[0031] According to the current current value and the target current value, adjusting the proportional pressure reducing valve value corresponding to the proportional pressure reducing valve to tension the hand-jointed conveying chain;

[0032] If the proportional valve includes a proportional flow valve, adjusting the proportional valve according to the current current value and the target current value includes:

[0033] According to the current current value and the target current value, the proportional flow threshold value corresponding to the proportional flow valve is adjusted to adjust the tensioning speed of the oil cylinder.

[0034] The beneficial effect of adopting the above further scheme is that, according to the current current value and the target current value, the loading power can be adjusted by adjusting the proportional overflow threshold value corresponding to the proportional overflow valve, the proportional pressure reducing threshold value corresponding to the proportional pressure reducing valve can be adjusted to tighten the hand-jointed conveyor chain, and the proportional flow threshold value corresponding to the proportional flow valve can be adjusted to adjust the tensioning speed of the cylinder.

[0035] Furthermore, the above method also includes:

[0036] The current pressure, the current flow value and the system power are displayed.

[0037] The beneficial effect of adopting the above further solution is that the current pressure, the current flow value and the system power are displayed in real time, allowing the user to view the data in real time and understand the working condition of the harvester.

[0038] In a second aspect, in order to solve the above technical problems, the present invention also provides a control device for a harvester feeding chamber and a front feeding roller, the device comprising:

[0039] A pressure acquisition module, configured to acquire the current pressure and the target pressure for the feeding chamber and the front feeding roller.

[0040] A pressure conversion module, configured to convert the current pressure and the target pressure into a current value and a target current value respectively.

[0041] A control module, configured to adjust a proportional valve according to the current value and the target current value, where the proportional valve includes at least one of a proportional overflow valve, a proportional reducing valve, and a proportional flow valve.

[0042] In a third aspect, the present invention further provides an electronic device to solve the above technical problems. The electronic device includes a memory, a processor, and a computer program stored on the memory and executable on the processor. When the processor executes the computer program, the control method for the feeding chamber and the front feeding roller of the harvester in the present application is implemented.

[0043] In a fourth aspect, the present invention further provides a computer-readable storage medium to solve the above technical problems. The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the control method for the feeding chamber and the front feeding roller of the harvester in the present application is implemented.

[0044] Additional aspects and advantages of the present application will be partially given in the following description, which will become apparent from the following description or be understood through the practice of the present application. Description of the Drawings

[0045] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for the description of the embodiments of the present invention.

[0046] Figure 1 A flowchart showing the control method for the feeding chamber and the front feeding roller of a harvester provided by an embodiment of the present invention;

[0047] Figure 2 A flowchart showing the control process based on pressure provided by an embodiment of the present invention;

[0048] Figure 3 A flowchart showing the determination process of the system pressure provided by an embodiment of the present invention;

[0049] Figure 4 A flowchart showing the control process based on the oil temperature provided by an embodiment of the present invention;

[0050] Figure 5 A structural diagram showing the control device for the feeding chamber and the front feeding roller of a harvester provided by an embodiment of the present invention;

[0051] Figure 6A schematic structural diagram of an electronic device provided by an embodiment of the present invention. Detailed implementation manners

[0052] The principles and features of the present invention are described below. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0053] The technical solutions of the present invention and how the technical solutions of the present invention solve the above technical problems will be described in detail below with specific embodiments. These specific embodiments can be combined with each other. For the same or similar concepts or processes, they may not be repeated in some embodiments. The embodiments of the present invention will be described below with reference to the accompanying drawings.

[0054] The solution provided by the embodiment of the present invention can be applied to any application scenario that needs to control the feeder house and the front feed roller of a harvester. The embodiment of the present invention provides a possible implementation manner. As Figure 1 shown, a flowchart of a control method for the feeder house and the front feed roller of a harvester is provided. In this embodiment, taking the controller corresponding to the harvester as the execution subject as an example, the method provided by the embodiment of the present invention will be described. As Figure 1 shown in the flowchart, the method may include the following steps:

[0055] Step S110, obtaining the current pressure and the target pressure for the feeder house and the front feed roller;

[0056] Step S120, respectively converting the current pressure and the target pressure into a current value and a target current value;

[0057] Step S130, adjusting a proportional valve according to the current value and the target current value, where the proportional valve includes at least one of a proportional relief valve, a proportional reducing valve, and a proportional flow valve.

[0058] In the solution of this application, after obtaining the target pressure and the current pressure for the feeder house and the front feed roller, the current pressure and the target pressure are first respectively converted into an output current value and a target current value, and then the proportional valve is adjusted according to the current value and the target current value, so that the proportional valve can be automatically and accurately adjusted without manual adjustment.

[0059] The solution of the present invention will be further described below with the following specific embodiments. In this embodiment, the control method for the feeder house and the front feed roller of a harvester may include the following steps:

[0060] Step S110, obtaining the current pressure and the target pressure for the feeder house and the front feed roller;

[0061] Among them, the target pressure can be preset or manually set by the user on the display of the harvester. The current pressure can be obtained by collecting through a pressure sensor set on the harvester. The pressure sensor and the display can be connected to the controller through the CAN bus, communicate with the controller through this bus, and send the current pressure and the target pressure to the controller.

[0062] Step S120, convert the current pressure and the target pressure into a current current value and a target current value respectively;

[0063] Among them, the purpose of converting the current pressure and the target pressure into a current current value and a target current value respectively is that the converted current value is convenient for output.

[0064] Step S130, adjust the proportional valve according to the current current value and the target current value, and the proportional valve includes at least one of a proportional relief valve, a proportional reducing valve and a proportional flow valve.

[0065] Optionally, if the proportional valve includes a proportional relief valve, adjusting the proportional valve according to the current current value and the target current value includes:

[0066] Adjust the proportional relief valve value corresponding to the proportional relief valve according to the current current value and the target current value to adjust the loading power;

[0067] If the proportional valve includes a proportional reducing valve, adjusting the proportional valve according to the current current value and the target current value includes:

[0068] Adjust the proportional reducing valve value corresponding to the proportional reducing valve according to the current current value and the target current value to make the hand section conveyor chain taut;

[0069] If the proportional valve includes a proportional flow valve, adjusting the proportional valve according to the current current value and the target current value includes:

[0070] Adjust the proportional flow valve value corresponding to the proportional flow valve according to the current current value and the target current value to adjust the tensioning speed of the oil cylinder.

[0071] For the specific process of pressure-based control, reference can also be made to Figure 2The flow schematic diagram shown is as follows: First, set the target pressure value (target pressure) of the proportional valve on the display screen of the monitor. Obtain the current pressure in real time through a pressure sensor, and send messages of the current pressure and the target pressure to the controller via CAN bus communication. The controller converts the received target pressure value into an outputtable target current value based on pre-set programming, and at the same time converts the current pressure into an outputtable current value; then the controller sends the corresponding current (current value and / or target current value) to the proportional valve. The proportional valve includes at least one of a proportional relief valve, a proportional reducing valve, and a proportional flow valve. By adjusting the proportional relief valve, the loading power can be changed to achieve stepless adjustment of the loading power. In the same way, by adjusting the proportional reducing valve, the pressure of the conveyor chain tensioning cylinder can be changed, thereby adjusting the tension force, and the tensioning and loosening of the conveyor chain tensioning cylinder can be achieved through a three-position four-way directional control valve.

[0072] It should be noted that for different proportional valves, the set target pressures can be the same or different. For example, the target pressure corresponding to the proportional reducing valve can be set to 40 Bar.

[0073] Optionally, the method further includes:

[0074] Obtain the current flow value for the feeding chamber and the front feeding roller;

[0075] Determine the system power corresponding to the harvester according to the current pressure and the current flow value, where the system power is the power of the system for adjusting the proportional valve based on the current current value.

[0076] Among them, the system is composed of various sensors (the sensor for obtaining the current pressure and the sensor for obtaining the current oil temperature later), a controller, and a proportional valve, and is a system for controlling the proportional valve based on the pressure and temperature corresponding to the feeding chamber and the front feeding roller of the harvester for over-temperature protection. The system power specifically refers to the sum of the system powers corresponding to each module in the system. The system power can also specifically be the product of the system pressure (current pressure) and the system flow (current flow value), which reflects the work done by the power source per unit time. Set different pressure values within the range permitted by the hydraulic pump pressure, and compare and test to obtain the optimal value for actual application reference.

[0077] Optionally, the method further includes:

[0078] Display the current pressure, the current flow value, and the system power.

[0079] The calculation process of the above system power can be referred to Figure 3 shown in the flowchart, in Figure 3Among them, a 4 - 20mA current signal is collected by a pressure sensor, and a 4 - 20mA current signal is collected by a flow sensor. Through a conversion preset in the controller, the current signal collected by the pressure sensor is converted into an actual pressure value, that is, the current pressure. Similarly, the current signal collected by the flow sensor is converted into a flow value, that is, the current flow value. Then, the current pressure and the current flow value are sent to a display screen for display. Finally, the current pressure and the current flow value are multiplied to obtain the system power, and the system power is sent to the display screen for display.

[0080] It should be noted that the actual pressure (current pressure) can be adjusted by a proportional overflow valve; however, the flow value can only be adjusted by the rotational speed of the power source motor. Under the condition of constant system pressure, increasing the motor speed can increase the flow value. It is necessary to observe the power value (system power) on the display screen and not exceed the preset 25Kw.

[0081] Optionally, the method further includes:

[0082] Obtaining the current oil temperature and the target oil temperature for the harvester;

[0083] When the current oil temperature is greater than the target oil temperature, an emergency stop signal is output to control the action of the intermediate relay of the harvester, control the inverter of the harvester to stop output, and generate an alarm message.

[0084] Among them, the oil temperature is an observed value for system protection. The pressure is positively correlated with the system power. When it is necessary to increase the system power, the set value of the proportional overflow valve on the display screen can be increased. By monitoring the oil temperature, the harvester can be protected. In the case of insufficient heat dissipation, the system is shut down in time to allow static heat dissipation.

[0085] Optionally, the method further includes:

[0086] When the current oil temperature is not greater than the product of the target oil temperature and the set ratio, the alarm message is cancelled, the emergency stop signal is cancelled, and the inverter is controlled to run again.

[0087] Among them, the set ratio can be set based on the actual situation. For example, it can be 50%.

[0088] The above control process based on the oil temperature can be referred to Figure 4 , Figure 4In it, a 4 - 20 mA current signal collected by a temperature sensor is obtained. The upper limit of the system temperature, that is, the target oil temperature, is set through a display screen. Then, through a preset conversion in the controller, the current signal is converted into an actual temperature value, that is, the current oil temperature. At the same time, a message (the message corresponding to the target oil temperature) is sent through CAN bus communication to the controller and parsed to obtain the target oil temperature. Then, the actual temperature (current oil temperature) is compared with the set oil temperature (target oil temperature). When the actual oil temperature is not less than the set oil temperature, the controller outputs a shutdown signal to control the action of the intermediate relay, and the buzzer alarms (the buzzer is used for alarming to prompt the operator to beware of scalding). The frequency converter outputs a stop signal. Then, the actual oil temperature starts to drop. When the temperature drops to the point where the actual oil temperature is less than or equal to 50% of the set temperature, the shutdown signal output by the controller is cancelled, the frequency converter runs again, and the buzzer is silenced.

[0089] Based on the above - mentioned solution, the solution of this application has the following beneficial effects compared with the prior art:

[0090] 1. The conveyor chain adjusts the tension degree electrically, which is safe and convenient;

[0091] 2. The system power is obtained in real - time, the test cycle is shortened, and the R & D progress is guaranteed;

[0092] 3. It has over - temperature automatic protection and alarm prompt. After the system cooling and temperature reduction are completed, it starts to run in time to continue the test.

[0093] 4. The temperature is collected in real - time, with high consistency, saving the time of manual sampling.

[0094] Based on the same principle as the method shown in Figure 1 In this invention, an embodiment also provides a control device 20 for the feeding chamber and the front feeding roller of a harvester. As shown in Figure 5 In this, the control device 20 for the feeding chamber and the front feeding roller of the harvester may include a pressure acquisition module 210, a pressure conversion module 220, and a control module 230, where:

[0095] The pressure acquisition module 210 is used to acquire the current pressure and the target pressure for the feeding chamber and the front feeding roller;

[0096] The pressure conversion module 220 is used to convert the current pressure and the target pressure into a current current value and a target current value respectively;

[0097] The control module 230 is used to adjust the proportional valve according to the current current value and the target current value. The proportional valve includes at least one of a proportional overflow valve, a proportional pressure reducing valve, and a proportional flow valve.

[0098] Optionally, the device further includes:

[0099] The system power determination module is used to obtain the current flow value for the feeding chamber and the front feeding roller; according to the current pressure and the current flow value, the system power corresponding to the harvester is determined, and the system power is the power corresponding to the system that adjusts the proportional valve based on the current current value.

[0100] Optionally, the device further comprises:

[0101] The first over-temperature protection module is used to obtain the current oil temperature and the target oil temperature for the harvester; when the current oil temperature is greater than the target oil temperature, a shutdown signal is output to control the operation of the intermediate relay of the harvester, control the inverter output of the harvester to stop, and generate an alarm message.

[0102] Optionally, the device further comprises:

[0103] The second over-temperature protection module is used to cancel the alarm information and the shutdown signal when the current oil temperature is not greater than the product of the target oil temperature and the set ratio, and control the inverter to resume operation.

[0104] Optionally, if the proportional valve includes a proportional relief valve, the control module 230 is specifically used to adjust the proportional valve according to the current current value and the target current value:

[0105] According to the current current value and the target current value, adjusting the proportional overflow threshold value corresponding to the proportional overflow valve to adjust the loading power;

[0106] If the proportional valve includes a proportional pressure reducing valve, the control module 230 is specifically used to adjust the proportional valve according to the current current value and the target current value:

[0107] According to the current current value and the target current value, adjusting the proportional pressure reducing valve value corresponding to the proportional pressure reducing valve to tension the hand-jointed conveying chain;

[0108] If the proportional valve includes a proportional flow valve, the control module 230 is specifically used to adjust the proportional valve according to the current current value and the target current value:

[0109] According to the current current value and the target current value, the proportional flow threshold value corresponding to the proportional flow valve is adjusted to adjust the tensioning speed of the oil cylinder.

[0110] Optionally, the device further comprises:

[0111] The display module is used to display the current pressure, the current flow value and the system power.

[0112] The control device for the feeding chamber and the front feeding roller of the harvester according to the embodiments of the present invention can execute the control method for the feeding chamber and the front feeding roller of the harvester provided by the embodiments of the present invention, and their implementation principles are similar. The actions performed by each module and unit in the control device for the feeding chamber and the front feeding roller of the harvester in each embodiment of the present invention correspond to the steps in the control method for the feeding chamber and the front feeding roller of the harvester in each embodiment of the present invention. For the detailed function descriptions of each module of the control device for the feeding chamber and the front feeding roller of the harvester, reference can specifically be made to the descriptions in the corresponding control method for the feeding chamber and the front feeding roller of the harvester shown above, which will not be elaborated here.

[0113] Among them, the above control device for the feeding chamber and the front feeding roller of the harvester can be a computer program (including program code) running in a computer device. For example, the control device for the feeding chamber and the front feeding roller of the harvester is an application software; this device can be used to execute the corresponding steps in the method provided by the embodiments of the present invention.

[0114] In some embodiments, the control device for the feeding chamber and the front feeding roller of the harvester provided by the embodiments of the present invention can be implemented in a combination of software and hardware. As an example, the control device for the feeding chamber and the front feeding roller of the harvester provided by the embodiments of the present invention can be a processor in the form of a hardware decoding processor, which is programmed to execute the control method for the feeding chamber and the front feeding roller of the harvester provided by the embodiments of the present invention. For example, the processor in the form of a hardware decoding processor can adopt one or more application-specific integrated circuits (ASICs), DSPs, programmable logic devices (PLDs), complex programmable logic devices (CPLDs), field-programmable gate arrays (FPGAs) or other electronic components.

[0115] In other embodiments, the control device for the feeding chamber and the front feeding roller of the harvester provided by the embodiments of the present invention can be implemented in a software manner. Figure 5 The control device for the feeding chamber and the front feeding roller of the harvester stored in the memory is shown, which can be software in the form of a program and plug-ins, etc., and includes a series of modules, including a pressure acquisition module 210, a pressure conversion module 220, and a pressure conversion module 230, for implementing the control method for the feeding chamber and the front feeding roller of the harvester provided by the embodiments of the present invention.

[0116] The modules involved in the embodiments of the present invention can be implemented in software or in hardware. In some cases, the name of a module does not constitute a limitation on the module itself.

[0117] Based on the same principle as the method shown in the embodiments of the present invention, an electronic device is also provided in the embodiments of the present invention. The electronic device may include, but is not limited to: a processor and a memory; the memory is used to store a computer program; the processor is used to execute the method shown in any embodiment of the present invention by calling the computer program.

[0118] In an alternative embodiment, an electronic device is provided, such as Figure 6 shown Figure 6 The electronic device 4000 shown includes: a processor 4001 and a memory 4003. Among them, the processor 4001 and the memory 4003 are connected, such as connected through a bus 4002. Optionally, the electronic device 4000 may further include a transceiver 4004, and the transceiver 4004 may be used for data interaction between the electronic device and other electronic devices, such as data sending and / or data receiving, etc. It should be noted that in practical applications, the transceiver 4004 is not limited to one, and the structure of the electronic device 4000 does not constitute a limitation on the embodiments of the present invention.

[0119] The processor 4001 may be a CPU (Central Processing Unit), a general-purpose processor, a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It can implement or execute various exemplary logic blocks, modules, and circuits described in connection with the disclosure of the present invention. The processor 4001 may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, etc.

[0120] The bus 4002 may include a path for transmitting information between the above components. The bus 4002 may be a PCI (Peripheral Component Interconnect) bus or an EISA (Extended Industry Standard Architecture) bus, etc. The bus 4002 may be divided into an address bus, a data bus, a control bus, etc. For ease of representation,Figure 6 It is represented by only a thick line in the figure, but it does not mean that there is only one bus or one type of bus.

[0121] The memory 4003 can be a ROM (Read Only Memory), or other types of static storage devices that can store static information and instructions, a RAM (Random Access Memory), or other types of dynamic storage devices that can store information and instructions. It can also be an EEPROM (Electrically Erasable Programmable Read Only Memory), a CD-ROM (Compact Disc Read Only Memory), or other optical disc storage, optical disc storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media, or other magnetic storage devices, or any other medium that can be used to carry or store the desired program code in the form of instructions or data structures and can be accessed by a computer, but is not limited thereto.

[0122] The memory 4003 is used to store the application program code (computer program) for implementing the solution of the present invention and is controlled by the processor 4001 for execution. The processor 4001 is used to execute the application program code stored in the memory 4003 to implement the content shown in the foregoing method embodiments.

[0123] Among them, the electronic device can also be a terminal device. Figure 6 The electronic device shown is only an example and should not impose any limitations on the functions and usage scope of the embodiments of the present invention.

[0124] The embodiments of the present invention provide a computer-readable storage medium, on which a computer program is stored. When the computer program runs on a computer, the computer can execute the corresponding content in the foregoing method embodiments.

[0125] According to another aspect of the present invention, there is also provided a computer program product or a computer program. The computer program product or the computer program includes computer instructions, and the computer instructions are stored in a computer-readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device executes the control method of the harvester feeding chamber and the front feeding roller provided in the above various implementation manners.

[0126] Computer program code for performing the operations of the present invention may be written in one or more programming languages or combinations thereof. The programming languages include object-oriented programming languages such as Java, Smalltalk, C++, and also include conventional procedural programming languages such as the "C" language or similar programming languages. The program code may execute entirely on the user's computer, partially on the user's computer, execute as a stand-alone software package, execute partially on the user's computer and partially on a remote computer, or execute entirely on a remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computer (e.g., through the Internet using an Internet service provider).

[0127] It should be understood that the flowcharts and block diagrams in the drawings illustrate the possible architectures, functions, and operations of methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagram may represent a module, a program segment, or a part of code that contains one or more executable instructions for implementing a specified logical function. It should also be noted that in some alternative implementations, the functions marked in the blocks may occur in a different order than marked in the drawings. For example, two consecutive blocks shown may actually be executed substantially in parallel, and they may sometimes be executed in the reverse order, depending on the functions involved. It should also be noted that each block in the block diagram and / or flowchart, and combinations of blocks in the block diagram and / or flowchart, may be implemented by a dedicated hardware-based system for performing the specified functions or operations, or may be implemented by a combination of dedicated hardware and computer instructions.

[0128] The computer-readable storage medium provided by the embodiments of the present invention may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the above. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above. In the present invention, the computer-readable storage medium may be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.

[0129] The above computer-readable storage medium carries one or more programs, which, when executed by the electronic device, cause the electronic device to execute the method shown in the above embodiments.

[0130] The above description is only a preferred embodiment of the present invention and an explanation of the technical principles applied. Those skilled in the art should understand that the scope of disclosure involved in the present invention is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above disclosure concept. For example, the technical solutions formed by mutually replacing the above features with the technical features (but not limited to) having similar functions disclosed in the present invention.

Claims

1. A control method for the feeding chamber and the front feeding roller of a harvester, characterized in that, The following steps are involved: Get the current and target pressures for the feed chamber and front feed rollers; Converting the current pressure and the target pressure into a current current value and a target current value respectively; According to the current current value and the target current value, adjusting a proportional valve, wherein the proportional valve comprises at least one of a proportional relief valve, a proportional pressure reducing valve and a proportional flow valve; If the proportional valve includes a proportional relief valve, adjusting the proportional valve according to the current current value and the target current value includes: According to the current current value and the target current value, adjusting the proportional overflow threshold value corresponding to the proportional overflow valve to adjust the loading power; If the proportional valve includes a proportional pressure reducing valve, adjusting the proportional valve according to the current current value and the target current value includes: According to the current current value and the target current value, adjusting the proportional pressure reducing valve value corresponding to the proportional pressure reducing valve to tension the hand-jointed conveying chain; If the proportional valve includes a proportional flow valve, adjusting the proportional valve according to the current current value and the target current value includes: According to the current current value and the target current value, adjusting the proportional flow threshold value corresponding to the proportional flow valve to adjust the tensioning speed of the oil cylinder; The method further comprises: under the condition of constant system pressure, increasing the motor speed to increase the current flow value so that the system power does not exceed a preset 25Kw.

2. The method according to claim 1, wherein The method further comprises: Obtaining current flow values ​​for the feed chamber and the front feed roller; The system power corresponding to the harvester is determined according to the current pressure and the current flow value, where the system power is the power corresponding to the system for adjusting the proportional valve based on the current current value.

3. The method according to claim 1, wherein The method further comprises: Obtaining a current oil temperature and a target oil temperature for the harvester; When the current oil temperature is greater than the target oil temperature, a shutdown signal is output to control the intermediate relay of the harvester to operate, control the inverter output of the harvester to stop, and generate an alarm message.

4. The method according to claim 3, characterized in that, The method further comprises: When the current oil temperature is not greater than the product of the target oil temperature and the set ratio, the alarm information is cancelled, the shutdown signal is cancelled, and the frequency converter is controlled to resume operation.

5. The method according to any one of claims 2 to 4, characterized in that, The method further comprises: The current pressure, the current flow value and the system power are displayed.

6. A control device for the feeding chamber and the front feeding roller of a harvester, characterized in that, A method for controlling a harvester feeding chamber and a front feeding roller according to claim 1 is adopted, and the device comprises: A pressure acquisition module is used to acquire the current pressure and target pressure of the feeding chamber and the front feeding roller; A pressure conversion module, used to convert the current pressure and the target pressure into a current current value and a target current value respectively; The control module is used to adjust the proportional valve according to the current current value and the target current value, and the proportional valve includes at least one of a proportional overflow valve, a proportional pressure reducing valve and a proportional flow valve.

7. An electronic device, characterized in that, The method comprises a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the method according to any one of claims 1 to 5 when executing the computer program.

8. A computer-readable storage medium, characterized in that, A computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the method described in any one of claims 1-5 is implemented.

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