CN107390597B - Silage machine throwing cylinder control system and control method - Google Patents

Silage machine throwing cylinder control system and control method Download PDF

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Publication number
CN107390597B
CN107390597B CN201710771843.5A CN201710771843A CN107390597B CN 107390597 B CN107390597 B CN 107390597B CN 201710771843 A CN201710771843 A CN 201710771843A CN 107390597 B CN107390597 B CN 107390597B
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throwing barrel
electric cylinder
amplitude
throwing
discharging plate
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CN107390597A (en
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耿丽清
邵善锋
任淑艳
杨晓霞
秦转萍
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Tianjin University of Technology
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Tianjin University of Technology
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423Input/output
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25257Microcontroller

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Confectionery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

The invention discloses a silage machine material throwing barrel control system and a control method, wherein the control system comprises a control unit, an operation unit, a sensing unit and an execution unit, wherein the control unit detects the states of the sensing unit and the operation unit and controls the execution unit through a driving circuit, and the execution unit controls the rotation angle of the material throwing barrel, the amplitude of the material throwing barrel and the angle of a discharging plate; the sensing unit is connected with the control unit, and the intelligent control system has the advantages of being simple in structure, convenient to install and wire, low in cost, labor-saving in operation and the like, improving the operation comfort of a driver, reducing the labor intensity of the driver, and improving the operation efficiency and the market competitiveness of products.

Description

Silage machine throwing cylinder control system and control method
Technical Field
The invention relates to the technical field of silage machines, in particular to a silage machine throwing cylinder control system and a silage machine throwing cylinder control method.
Background
Silage harvester is one of the most common and commonly used machines in highland barley fodder harvesting machinery, and is mainly used for harvesting and storing highland barley or corn and other crops. In the operation process of the silage machine, the material throwing direction and the distance of the material throwing barrel need to be adjusted frequently, namely the rotation angle of the material throwing barrel, the amplitude of the material throwing barrel and the angle of the material discharging plate need to be adjusted. At present, a rotary mechanism of a throwing cylinder, a bat mechanism and an angle adjusting mechanism of a discharging plate of the domestic silage harvester are controlled by a hydraulic motor or a hydraulic oil cylinder, and the rotary mechanism has the advantages of complex structure, difficult arrangement of a pipeline and a valve body and high cost.
Disclosure of Invention
The invention aims at solving the technical defects existing in the prior art, and provides a silage machine throwing cylinder control system and a silage machine throwing cylinder control method, which can simplify the structure, facilitate wiring, reduce cost and save labor in operation.
The technical scheme adopted for realizing the purpose of the invention is as follows:
the invention relates to a silage machine material throwing barrel control system which comprises a controller, an electronic operating handle, a material throwing barrel driven to rotate and change amplitude and a material discharging plate driven to rotate, wherein the controller is used for controlling the material throwing barrel;
the controller is respectively in communication connection with the throwing cylinder and a driving circuit of the driving mechanism of the discharging plate; the method comprises the steps of carrying out a first treatment on the surface of the The electronic operation handle with the controller communication be connected, the electronic operation handle on install handle enable switch K1, function selection switch and be used for responding to handle forward pressure and the handle position feedback potentiometer S1 of degree of dialling backward, when handle enable switch K1 and function selection switch open simultaneously, realize the operation function, the function selection switch includes: the rotary selection switch K2 of the material throwing barrel, the amplitude selection switch K3 of the material throwing barrel and the angle selection switch K4 of the discharging plate.
Preferably, the driving mechanism comprises a throwing barrel rotating motor M1 for driving the throwing barrel to rotate, a throwing barrel amplitude changing electric cylinder M2 for driving the throwing barrel to change amplitude and a discharging plate angle electric cylinder M3 for driving the discharging plate to rotate, the throwing barrel is driven by the throwing barrel rotating motor M1 to rotate, the throwing barrel is driven by the throwing barrel amplitude changing electric cylinder M2 to change amplitude, so that the throwing direction of the throwing barrel is regulated, and the discharging plate is driven by the discharging plate angle electric cylinder M3 to rotate. The electric cylinder M3 for the angle of the discharge plate is used for controlling the angle of the discharge plate, and the electric cylinder M2 for the amplitude of the discharge plate is combined with the electric cylinder M3 for the angle of the discharge plate and is used for adjusting the distance of the discharge cylinder
Preferably, the automatic feeding device comprises a sensing unit, wherein the sensing unit is connected with a control unit, and a throwing barrel rotation position sensor S2, a throwing barrel amplitude electric cylinder position sensor S3 and a discharging plate angle electric cylinder position sensor S4 are arranged;
preferably, the control system further comprises an alarm unit, the alarm unit comprises an alarm horn B1 and an alarm lamp L1, and the alarm horn B1 and the alarm lamp L1 are electrically connected with the control unit.
Preferably, the model of the handle position feedback potentiometer S1 is CG-WZ-03, the model of the throwing barrel rotation position sensor S2 is DO-3084, and the model of the throwing barrel amplitude electric cylinder position sensor S3 and the model of the discharging plate angle electric cylinder position sensor S4 are CG-FK-01.
Preferably, the control unit is an embedded controller, and the model is STM32.
Preferably, the driving circuit comprises 3 pairs of relay groups, each pair of relay groups is used for driving the rotary motor M1 of the throwing cylinder, the variable-amplitude electric cylinder M2 of the throwing cylinder and the angle electric cylinder M3 of the discharging plate, each pair of relay groups consists of two relays, and according to the working states of the two relays, the M1, the M2 or the M3 can be adjusted to perform reverse movement, forward movement and stop, and the three working states are switched.
Preferably, the rotary motor M1 of the throwing cylinder is a 24V direct current motor with a braking function.
Preferably, the throwing cylinder amplitude changing electric cylinder M2 and the discharging plate angle electric cylinder M3 are 24V direct current electric cylinders.
The invention also discloses a control method of the silage machine throwing cylinder control system, which comprises the following steps:
(1) After the system is powered on, the control unit firstly detects whether the handle enabling switch K1 is pressed or not, if the enabling switch K1 is not pressed, the system does not respond, and if the enabling switch K1 is pressed, whether the function selecting switch is pressed or not is judged;
(2) When a throwing barrel rotation selection switch K2 is pressed down, reading the state of a throwing barrel rotation position sensor S2, ending the system if the throwing barrel rotation is at a limit position, reading an input value of a handle position feedback potentiometer S1 if the throwing barrel rotation is not at the limit position, and controlling a throwing barrel rotation motor M1 to act according to the input value of the handle position feedback potentiometer S1;
(3) When a throwing barrel amplitude selection switch K3 is pressed down, reading an input value of a throwing barrel amplitude electric cylinder position sensor S3, ending the system if the throwing barrel amplitude electric cylinder M2 is at a limit position, reading an input value of a handle position feedback potentiometer S1 if the throwing barrel amplitude electric cylinder M2 is not at the limit position, and controlling the throwing barrel amplitude electric cylinder M2 to act according to the input value of the handle position feedback potentiometer S1;
(4) When the discharging plate angle selection switch K4 is pressed, the input value of the discharging plate angle electric cylinder position sensor S4 is read, if the discharging plate angle electric cylinder M3 is at the limit position, the system is ended, if the discharging plate angle electric cylinder M3 is not at the limit position, the input value of the handle position feedback potentiometer S1 is read, and the action of the discharging plate angle electric cylinder M3 is controlled according to the input value of the handle position feedback potentiometer S1.
Preferably, when the rotation position sensor S2 of the throwing barrel senses that the rotation of the throwing barrel is at a limit position, or the position sensor S3 of the variable amplitude electric cylinder M2 of the throwing barrel senses that the variable amplitude electric cylinder M2 of the throwing barrel is at a limit position, or the position sensor S4 of the electric cylinder of the angle of the discharging plate senses that the electric cylinder M3 of the angle of the discharging plate is at a limit position, the control unit transmits an alarm signal to an alarm unit connected with the control unit.
Compared with the prior art, the invention has the beneficial effects that:
the device has the characteristics of simple structure, convenient installation and wiring, low cost, labor saving operation and the like, improves the operation comfort of a driver, reduces the labor intensity of the driver, and improves the operation efficiency and the product market competitiveness.
Drawings
Fig. 1 is a control schematic diagram of a silage machine throwing cylinder control device.
Fig. 2 is a control flow chart of the silage machine throwing cylinder control device.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The invention discloses a silage machine material throwing barrel control system which comprises a control unit, an operation unit, a sensing unit and an execution unit, wherein the control unit detects the states of the sensing unit and the operation unit and controls the execution unit through a driving circuit, and the execution unit controls the rotation angle of a material throwing barrel, the amplitude of the material throwing barrel and the angle of a discharge plate;
the sensing unit is connected with the control unit through the digital-to-analog conversion module and comprises a handle position feedback potentiometer S1, a throwing barrel rotation position sensor S2, a throwing barrel amplitude electric cylinder position sensor S3 and a discharge plate angle electric cylinder position sensor S4;
the operation unit comprises an electronic operation handle, the electronic operation handle can be pushed forwards or pulled backwards, a handle enabling switch K1 and a function selecting switch are arranged on the electronic operation handle, and the function selecting switch comprises: the rotary selection switch K2 of the throwing barrel, the amplitude selection switch K3 of the throwing barrel and the angle selection switch K4 of the discharging plate realize an operation function when the handle enabling switch K1 and the function selection switch are simultaneously opened, the handle position feedback potentiometer S1 is also arranged on the electronic operation handle, and the output value of the handle position feedback potentiometer S1 changes along with the front pressure or the rear pulling of the electronic operation handle;
the execution unit comprises a material throwing barrel rotating motor M1, a material throwing barrel amplitude changing electric cylinder M2 and a material discharging plate angle electric cylinder M3, wherein the material throwing barrel rotating motor M1 is used for controlling the rotation angle of the material throwing barrel so as to adjust the material throwing direction of the material throwing barrel, the material throwing barrel amplitude changing electric cylinder M2 is used for controlling the amplitude of the material throwing barrel, the material discharging plate angle electric cylinder M3 is used for controlling the angle of the material discharging plate, and the material throwing barrel amplitude changing electric cylinder M2 and the material discharging plate angle electric cylinder M3 are combined and used for adjusting the material throwing distance of the material throwing barrel.
The front pressure and the back pulling of the handle of the electronic operating handle can control the M1, M2 or M3 to rotate forward and reverse respectively, the degree of the front pressure or the back pulling is different, and the rotating instructions with different angles can be sent out, so that the M1, M2 or M3 is controlled to perform corresponding actions.
The control system further comprises an alarm unit, the alarm unit comprises an alarm horn B1 and an alarm lamp L1, and the alarm horn B1 and the alarm lamp L1 are electrically connected with the control unit.
The material throwing barrel rotation position sensor S2 is arranged on the material throwing barrel rotation mechanism and is used for controlling the material throwing direction of the material throwing barrel together with the material throwing barrel rotation motor M1.
The throwing barrel amplitude-changing electric cylinder M2 is internally provided with a throwing barrel amplitude-changing electric cylinder position sensor S3 for detecting the extending position of the M2 electric cylinder, and the throwing barrel amplitude-changing electric cylinder S2 and the throwing barrel amplitude-changing electric cylinder M2 are used for controlling the amplitude of the throwing barrel, so that the distance of throwing is controlled.
The electric cylinder M3 is internally provided with a discharge plate angle electric cylinder position sensor S4 for detecting the extending position of the electric cylinder M3, and the electric cylinder M3 are used for controlling the angle of the discharge plate together so as to finely adjust the distance of the throwing material.
The driving circuit consists of 6 relays and is used for driving and controlling the rotation motor M1 of the material throwing pipe, the variable amplitude electric cylinder M2 and the discharge plate angle electric cylinder M3 to perform reverse movement, forward movement and stop, and switching under three working states.
STM32 microprocessor of an artificial semiconductor (STMicroelectronics) company is selected as a main chip of the embedded controller, the controller carries out logic judgment through a controller program according to the input states of the electronic operation handle and the sensor, and the controller controls the rotation motor M1 of the material throwing pipe, the variable amplitude electric cylinder M2 and the angle electric cylinder M3 of the discharging plate to act, and finally controls the direction and the distance of material throwing. When the controller detects that the throwing barrel rotating mechanism, the amplitude changing mechanism and the discharging plate angle adjusting mechanism are at the limit positions, the controller controls the alarm buzzer B1 and the alarm lamp L1 to carry out audible and visual alarm, and the driver is reminded.
The rotary motor M1 of the material throwing cylinder adopts a 24V direct current motor with a braking function.
The throwing cylinder amplitude changing electric cylinder M2 adopts a discharging plate angle electric cylinder M3 which is a 24V direct current electric cylinder.
Silage machine throwing barrel control flow, refer to figure 2. After the system is powered on, the embedded controller firstly detects whether an enabling switch K1 on the electronic operation handle is pressed down. If the enabling switch K1 is not pressed, the system does not respond and has no control action; if the enabling switch is pressed, whether a function selection switch on the electronic operation handle is pressed is judged. If the function selection switch is pressed, the controller controls the selected function execution unit to act according to the position feedback of the electronic handle; if no function select switch is pressed, the system does not respond, without any control action.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (8)

1. The silage machine throwing barrel control system is characterized by comprising a controller, an electronic operating handle, a throwing barrel driven to rotate and change amplitude and a discharging plate driven to rotate;
the controller is in communication connection with a driving circuit of the driving mechanism of the material throwing barrel and the discharging plate; the electronic operation handle with the controller communication connect, the electronic operation handle on install handle enable switch K1, function selection switch and be used for responding to handle forward pressure and the handle position feedback potentiometer S1 of degree of dialling backward, the function selection switch includes: a throwing barrel rotation selection switch K2, a throwing barrel amplitude selection switch K3 and a discharge plate angle selection switch K4;
the driving mechanism comprises a throwing barrel rotary motor M1 for driving the throwing barrel to rotate, a throwing barrel amplitude-changing electric cylinder M2 for driving the throwing barrel to amplitude and a discharging plate angle electric cylinder M3 for driving the discharging plate to rotate;
the driving circuit comprises 3 pairs of relay groups which are respectively used for driving the throwing barrel rotary motor M1, the throwing barrel variable-amplitude electric cylinder M2 and the discharging plate angle electric cylinder M3, and any pair of relay groups consists of two relays.
2. The silage machine throwing barrel control system according to claim 1, comprising an alarm unit, wherein the alarm unit comprises an alarm horn B1 and an alarm lamp L1, and the alarm horn B1 and the alarm lamp L1 are in communication connection with a controller.
3. The silage machine throwing barrel control system according to claim 1, comprising a throwing barrel rotary position sensor S2, a throwing barrel amplitude electric cylinder position sensor S3 and a discharging plate angle electric cylinder position sensor S4 which are in communication connection with the controller.
4. The silage machine throwing barrel control system according to claim 3, wherein the handle position feedback potentiometer S1 is CG-WZ-03, the throwing barrel turning position sensor S2 is DO-3084, and both the throwing barrel amplitude electric cylinder position sensor S3 and the discharge plate angle electric cylinder position sensor S4 are CG-FK-01.
5. The silage machine throwing barrel control system of claim 1, wherein the controller is an embedded controller, and the model is STM32.
6. The silage machine material throwing barrel control system according to claim 1, wherein the material throwing barrel rotary motor M1 is a 24V direct current motor with a braking function, and the material throwing barrel variable amplitude electric cylinder M2 and the material discharging plate angle electric cylinder M3 are 24V direct current electric cylinders.
7. A method of controlling a silage machine throwing-cylinder control system according to any one of claims 1 to 6, characterized by: the method comprises the following steps:
(1) After the system is powered on, the control unit firstly detects whether the handle enabling switch K1 is pressed or not, if the enabling switch K1 is not pressed, the system does not respond, and if the enabling switch K1 is pressed, whether the function selecting switch is pressed or not is judged;
(2) When a throwing barrel rotation selection switch K2 is pressed down, reading the state of a throwing barrel rotation position sensor S2, ending the system if the throwing barrel rotation is at a limit position, reading an input value of a handle position feedback potentiometer S1 if the throwing barrel rotation is not at the limit position, and controlling a throwing barrel rotation motor M1 to act according to the input value of the handle position feedback potentiometer S1;
(3) When a throwing barrel amplitude selection switch K3 is pressed down, reading an input value of a throwing barrel amplitude electric cylinder position sensor S3, ending the system if the throwing barrel amplitude electric cylinder M2 is at a limit position, reading an input value of a handle position feedback potentiometer S1 if the throwing barrel amplitude electric cylinder M2 is not at the limit position, and controlling the throwing barrel amplitude electric cylinder M2 to act according to the input value of the handle position feedback potentiometer S1;
(4) When the discharging plate angle selection switch K4 is pressed, the input value of the discharging plate angle electric cylinder position sensor S4 is read, if the discharging plate angle electric cylinder M3 is at the limit position, the system is ended, if the discharging plate angle electric cylinder M3 is not at the limit position, the input value of the handle position feedback potentiometer S1 is read, and the action of the discharging plate angle electric cylinder M3 is controlled according to the input value of the handle position feedback potentiometer S1.
8. The control method according to claim 7, characterized in that: when the throwing barrel rotation position sensor S2 senses that the throwing barrel rotation is at the limit position, or the throwing barrel amplitude electric cylinder position sensor S3 senses that the throwing barrel amplitude electric cylinder M2 is at the limit position, or the discharging plate angle electric cylinder position sensor S4 senses that the discharging plate angle electric cylinder M3 is at the limit position, the control unit transmits an alarm signal to an alarm unit connected with the control unit.
CN201710771843.5A 2017-08-31 2017-08-31 Silage machine throwing cylinder control system and control method Active CN107390597B (en)

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Publication number Priority date Publication date Assignee Title
CN114642125B (en) * 2022-03-25 2023-02-03 中国铁建重工集团股份有限公司 Silage silo throwing barrel control method, device, equipment and storage medium

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