WO2023116039A1

WO2023116039A1 - Baler control system and method

Info

Publication number: WO2023116039A1
Application number: PCT/CN2022/116129
Authority: WO
Inventors: 刘飞香; 刘彪权; 伍涛; 周阳; 李泽; 林毅; 高鹏飞
Original assignee: 中国铁建重工集团股份有限公司
Priority date: 2021-12-20
Filing date: 2022-08-31
Publication date: 2023-06-29
Also published as: CN114246067A; CN114246067B

Abstract

A baler control system, comprising: a thrust sensor arranged at a compression piston and a connection rod of a compression device and used for detecting the thrust of the compression piston in real time; a humidity sensor arranged on the compression device and used for detecting the humidity of a herbage bale; a baling oil cylinder electromagnetic valve arranged on the compression device and used for controlling the outlet size of a baling chamber; and a controller electrically connected to the thrust sensor, the humidity sensor, and the baling oil cylinder electromagnetic valve. By means of the baler control system provided by the present invention, the automatic adjustment of the density of the herbage bale is achieved, so that a herbage bale with a higher density can be made, the space occupation rate is reduced, and the economical efficiency is improved. Further disclosed is a baler control method corresponding to the baler control system, which method also has the above technical effect.

Description

A control system and method for a baler

This application claims the priority of a Chinese patent application filed with the China Patent Office on December 20, 2021, with application number 202111565588.1, and the title of the invention is "a baler control system and method", the entire contents of which are incorporated herein by reference. Applying.

technical field

The invention relates to the technical field of agricultural machinery control, and more specifically, relates to a baler control system and method.

Background technique

The square baler is an agricultural machine towed by an agricultural tractor, and the tractor provides power and power. The pick-up device of the baler picks up the pasture from the ground and feeds it into the pre-compression chamber to compress it into grass flakes; The compression piston compresses the fed grass flakes into a large bale. The density of the bale is determined by the extrusion force controlled by the baling cylinder. The bale humidity sensor detects the humidity of the bale; The bale is tied with a baling rope; the unwinding device counts and weighs the bales.

The existing baler control system mainly includes a display, a controller, a plurality of solenoid valves, a plurality of pressure switches, a plurality of proximity switches and a travel switch. The pressure switch provides the pressure value to detect whether the bundling has reached the standard. The proximity switch provides position information and standard bag net times information. The travel switch provides position information. The pressure switch; the proximity switch detects whether the rear door is closed; Whether it is open or not, detect whether the unloading rack has been unloaded. Although the control system can realize the automatic control of the baler, it cannot control the density of the bale. If the density of the bale is small, it will take up more space during transportation and storage, and the economic performance is poor.

To sum up, how to effectively solve the problems of low baling density and large space occupation of bales is a problem that those skilled in the art need to solve.

Contents of the invention

In view of this, the purpose of the present invention is to provide a baler control system, the structural design of which can effectively solve the problem of small bale baling density and large space occupation.

In order to achieve the above object, the present invention provides the following technical solutions:

A baler control system comprising:

The thrust sensor is arranged at the compression piston and the connecting rod of the compression device to detect the thrust of the compression piston in real time;

A humidity sensor, arranged on the compression device, is used to detect the humidity of the bale;

The solenoid valve of the baling cylinder is arranged on the compression device and is used to control the outlet size of the baling chamber;

The controller is electrically connected to the thrust sensor, the humidity sensor and the solenoid valve of the baling cylinder, and is used to calculate the real-time density value of the bale according to the real-time thrust value of the compression piston collected by the thrust sensor , comparing the real-time density value with the density set value and generating a first electrical signal, generating a first correction coefficient according to the humidity of the bale detected by the humidity sensor, and correcting the first electrical signal to obtain a second electrical signal, The second electrical signal acts on the solenoid valve of the baling oil cylinder to control the outlet size of the baling chamber.

Preferably, in the above-mentioned baler control system, it also includes:

The weighing device is set at the joint between the baling device and the frame, and is used to detect the weight of the knotted bale;

The controller is electrically connected with the weighing device, and is used to calculate the actual density value of the bale according to the weight of the bale detected by the weighing device, and compare the actual density value with the density setting value to generate a second The coefficient is corrected and the second electric signal is corrected to obtain a third electric signal, and the third electric signal acts on the solenoid valve of the baling cylinder to control the outlet size of the baling chamber when the next bale starts to bale.

Preferably, in the above-mentioned baler control system, the controller is specifically configured to generate the first electrical signal once corresponding to each program cycle, and the first electrical signal acts on the solenoid valve of the baler cylinder to control the baler chamber outlet size; the controller is specifically further configured to generate the first correction coefficient once at preset intervals according to the humidity of the bale detected by the humidity sensor and correct the first electrical signal to obtain the second electric signal.

Preferably, the above-mentioned baler control system further includes a pressure sensor arranged on the feeding device for detecting the pressure value of the pre-compression chamber, and the pressure value of the pre-compression chamber reaches the pre-compression set pressure value , the feed fork feeds the pre-compressed bale into the baling chamber.

Preferably, the above-mentioned baler control system further includes a rotational speed sensor, which is arranged on the pick-up device and used to detect the rotational speed of the pick-up device; the controller is specifically used to judge whether the rotational speed of the pick-up device is within a normal range If yes, then send the picked pasture into the pre-compression chamber, otherwise control the alarm device to alarm.

Preferably, the above-mentioned strapping machine control system further includes a Beidou positioning data transmission system electrically connected to the controller, and the Beidou positioning data transmission system is used to send the operation data and position information of the strapping machine to the big data platform.

Preferably, the above-mentioned baler control system further includes a proximity switch arranged at the tail of the bale unwinding device for counting the bales.

Preferably, the above-mentioned baler control system further includes a display device electrically connected to the controller.

The baler control system provided by the invention includes a thrust sensor, a humidity sensor, a solenoid valve of a baler oil cylinder and a controller. Among them, the thrust sensor is arranged at the compression piston and the connecting rod of the compression device for real-time detection of the thrust of the compression piston; the humidity sensor is arranged on the compression device for detecting the humidity of the bale; the solenoid valve of the baling oil cylinder , set on the compression device, used to control the outlet size of the baling chamber; the controller, electrically connected with the thrust sensor, the humidity sensor and the solenoid valve of the baling oil cylinder, for The real-time thrust value of the compression piston collected by the sensor calculates the real-time density value of the bale, compares the real-time density value with the density setting value and generates a first electrical signal, and generates a second electrical signal according to the bale humidity detected by the humidity sensor. A correction coefficient is used to correct the first electric signal to obtain a second electric signal, and the second electric signal acts on the solenoid valve of the baling cylinder to control the outlet size of the baling chamber.

Applying the baler control system provided by the present invention, during the reciprocating movement of the compression piston of the compression device to compress the grass flakes into bales, the thrust sensor collects the real-time thrust value of the compaction piston, and calculates the real-time density of the bale from the thrust value value, the real-time density value is compared with the density setting value to generate the first electrical signal. In addition, the humidity sensor detects the humidity of the bale, and then generates the first correction coefficient according to the humidity value of the bale and corrects the first electrical signal. The size of the outlet of the baling chamber and the size of the outlet of the baling chamber are adjusted so that the speed of the bale passing through the outlet changes accordingly, thereby realizing the automatic adjustment of the density. To sum up, the baler control system provided by the present invention realizes the automatic adjustment of the bale density, so that a denser bale can be produced, so as to reduce the space occupancy rate and improve the economy.

The present invention also provides the following technical solutions:

A control method for a baler, comprising:

Receive the thrust value of the compression piston of the compression device and the humidity value of the bale in the compression device detected in real time;

Calculate the real-time density value of the bale according to the real-time thrust value of the compression piston;

Comparing the real-time density value with the set density value and generating a first electrical signal, outputting the first electrical signal to the solenoid valve of the baling cylinder to control the outlet size of the baling chamber;

Generate a first correction coefficient according to the humidity of the bale every preset interval and correct the first electrical signal to obtain a second electrical signal, and output the second electrical signal to the solenoid valve of the baling cylinder to control the baling chamber Export size.

Preferably, in the above-mentioned strapping machine control method, it also includes:

The weight of the knotted bale obtained by the receiving test;

Calculate the actual density value of the bale according to the weight of the bale;

Comparing the actual density value with the set density value to generate a second correction coefficient and correcting the second electrical signal to obtain a third electrical signal;

When the next bale starts to bale, the third electrical signal is output to the solenoid valve of the baling oil cylinder to control the outlet size of the baling chamber.

The control method of the baler provided by the invention realizes the automatic adjustment of the density of the bale, so that the bale with a higher density can be produced, so as to reduce the space occupation rate and improve the economy.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of the baler control system of a specific embodiment of the present invention;

Fig. 2 is the system hardware schematic diagram of strapping machine;

Fig. 3 is a schematic diagram of the operation process of the baler;

Fig. 4 is a schematic flowchart of a control method of a baler according to a specific embodiment of the present invention.

The markings in the attached drawings are as follows:

Thrust sensor 101, humidity sensor 102, baler cylinder solenoid valve 103, weighing device 104, speed sensor 105, pressure sensor 106, controller 107, display device 108, Beidou positioning data transmission system 109.

Detailed ways

The embodiment of the invention discloses a baler control system and method to realize the automatic adjustment of the bale density, so as to produce a denser bale, reduce the space occupation rate, and improve the economy.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The baler is mainly used for baling pasture, please refer to Figure 2, which generally includes a picking device, a feeding device, a compression device, a knotting device and a baling device. Please refer to Figure 3. When the baler is working, the pick-up device picks up the pasture from the ground and feeds it into the pre-compression chamber to compress it into grass pieces. The feeding device feeds the grass pieces that have reached the pre-compression pressure in the pre-compression chamber to the baler. The compression device compresses the fed grass flakes into bales through the reciprocating compression piston in the baling chamber. The knotting device starts to tie the bale with the baling rope after the bale reaches the preset length. The metering star wheel located at the end of the baling chamber is driven by the bale moving backward, and the rotation of the star wheel drives the bale length sensor. Complete the detection of bale length. After the bale length reaches the preset value, the knotting clutch motor is started, the knotting clutch is pushed away, and the knotting operation is started to complete the tying operation of the bale. As required, the knotted clutch motor can also be replaced by a hydraulic cylinder or a hydraulic motor. The bale unwinding device slides the bale from the baling chamber to the ground, and the proximity switch at the end of the bale unwinding device is used to count the bales produced.

In a specific embodiment, please refer to FIG. 1 , which is a schematic structural diagram of a baler control system according to a specific embodiment of the present invention. The baler control system provided by the present invention includes a thrust sensor 101 , a humidity sensor 102 , a baler cylinder solenoid valve 103 and a controller 107 .

Wherein, the thrust sensor 101 is arranged at the compression piston and the connecting rod of the compression device, and is used to detect the thrust of the compression piston in real time. The thrust sensor 101 may specifically use a pin sensor, or other conventional sensors capable of detecting thrust. The thrust of the compression piston is detected by the thrust sensor 101, and the real-time density value can be calculated from the thrust value according to the Scavett formula.

The humidity sensor 102 is arranged on the compressing device and is used to detect the humidity of the bale. Since the humidity of the bale has a direct impact on the above-mentioned density calculation, the density is corrected by detecting the humidity of the bale to obtain more precise control accuracy.

The solenoid valve 103 of the baling cylinder is arranged on the compression device and is used to control the outlet size of the baling chamber. The extension length of the baling oil cylinder is controlled by the baling oil cylinder electromagnetic valve 103, thereby controlling the outlet size of the baling chamber to adjust the bale density.

The controller 107 is electrically connected with the thrust sensor 101, the humidity sensor 102 and the baling cylinder electromagnetic valve 103 respectively, and is used for calculating the real-time density value of the bale according to the real-time thrust value of the compression piston collected by the thrust sensor 101, and comparing the real-time density value with the Set the density value and generate the first electrical signal, generate the first correction coefficient according to the humidity of the bale detected by the humidity sensor 102 and correct the first electrical signal to obtain the second electrical signal, and the second electrical signal acts on the solenoid valve of the baling cylinder 103 to control the outlet size of the baling chamber. The controller 107 is the signal processing unit of the whole system, which receives signals input by each sensor, processes the input signals through an algorithm, and outputs the obtained adjustment signals to each actuator.

That is, the thrust sensor 101 detects the thrust value of the compression piston in real time and sends it to the controller 107, and the controller 107 calculates the real-time density value of the bale according to the real-time thrust value, specifically by calculating the real-time density value according to the Scavett formula. Comparing the real-time density value with the density setting value and generating the first electrical signal, specifically generating the first electrical signal through program operation. The first electrical signal is a control signal corresponding to the control logic for controlling the action of the solenoid valve 103 of the baling cylinder to increase the outlet size of the baling chamber or controlling the solenoid valve 103 of the baler cylinder to reduce the outlet size of the baling chamber. Specifically, when the real-time density value is greater than the set density value, the first electrical signal can be used to control the action of the solenoid valve 103 of the baling cylinder to increase the outlet size of the baling chamber; otherwise, when the real-time density value is less than the set density value, the first electrical signal An electric signal can be used to control the action of the solenoid valve 103 of the baling oil cylinder to reduce the size of the outlet of the baling chamber. The adjustment range of the specific size of the outlet of the baling chamber can be set according to the needs, such as adjusting according to the difference between the real-time density value and the density setting value.

The humidity sensor 102 detects the humidity of the bale, and sends it to the controller 107, and the controller 107 generates the first correction coefficient according to the humidity of the bale, and the specific relationship between the first correction coefficient and the humidity of the bale can be prestored through calculation, etc. The functional relationship or data table obtained by the method. Specifically, the weighing device 104 may be a load cell. The controller 107 corrects the first electrical signal according to the first correction coefficient to obtain the second electrical signal. The second electrical signal is the control signal based on the bale humidity correction. According to the bale humidity, the pasture compressibility can be calculated. The lower the humidity, the better the compressibility. The piston thrust value is corrected by the bale humidity, and then the obtained real-time The density value is used to finally realize the correction of the first electrical signal. By introducing a moisture correction, higher density bales can be obtained.

Applying the baler control system provided by the present invention, during the reciprocating movement of the compression piston of the compression device to compress the grass flakes into bales, the thrust sensor 101 collects the real-time thrust value of the compaction piston, and calculates the real-time bale weight of the bale from the thrust value. For the density value, the real-time density value is compared with the density setting value to generate a first electrical signal. In addition, the humidity sensor 102 detects the humidity of the bale, and then generates a first correction coefficient according to the humidity value of the bale and corrects the first electrical signal. , control the outlet size of the baling chamber, and adjust the outlet size of the baling chamber so that the speed of the bale passing through the outlet changes accordingly, thereby realizing the automatic adjustment of the density. In summary, the baler control system provided by the present invention realizes the automatic adjustment of the density of the bale, so that the bale with a higher density can be produced, so as to reduce the space occupation rate and improve the economy.

Further, the baler control system also includes: a weighing device 104, which is arranged at the connection between the baling device and the vehicle frame, and is used to detect the weight of the knotted bale; the controller 107 is electrically connected to the weighing device 104 , for calculating the actual density value of the bale according to the bale weight detected by the weighing device 104, comparing the actual density value and the density setting value to generate a second correction coefficient and correcting the second electrical signal to obtain a third electrical signal, as follows The third electrical signal acts on the baling oil cylinder solenoid valve 103 to control the baling chamber outlet size when the bale bale starts to bale. The bale weight after the knotting is taken by weighing device 104, because the length of the bale is known, the actual density value of the bale after knotting can be calculated according to the shape, length and weight of the bale, and the actual density value is compared With the above-mentioned density setting value, a second correction coefficient is generated, and the controller 107 corrects the second electric signal according to the second correction coefficient to obtain a third electric signal, and controls the baling cylinder according to the A third electrical signal controls the outlet size of the baling chamber. For example, according to the difference between the actual density value and the density setting value, adjust the outlet size of the baling chamber accordingly. The generation period of the third electrical signal is once for each bale, and the third electrical signal acts on the next bale when the bale starts to be bundled.

Furthermore, the controller 107 is specifically used to generate a first electrical signal corresponding to each program cycle, and the first electrical signal acts on the solenoid valve 103 of the baling cylinder to control the outlet size of the baling chamber; the controller 107 is also specifically used to The first correction coefficient is generated according to the humidity of the bale detected by the humidity sensor 102 every preset interval, and the first electric signal is corrected to obtain the second electric signal. The aforementioned program period may be the program period of the PLC controller 107 or the like. The generation cycle of the first electrical signal is once in each program cycle. The preset interval can be set as required, for example, if it is set to 2s, then the generation cycle of the second electrical signal is once every 2s.

In each of the above-mentioned embodiments, it also includes a pressure sensor 106 arranged on the feeding device for detecting the pressure value of the pre-compression chamber. When the pressure value of the pre-compression chamber reaches the pre-compression set pressure value, the feeding fork will The pressed bales are sent to the baling chamber. The pitch fork sends the picked pasture into the pre-pressing chamber. When the bale pressure reaches the set value, it will automatically trigger the mechanical device to start the feeding fork, and the feeding fork will feed the pre-pressed grass slices into the baling chamber. The bale pressure in the pre-compression chamber can be detected by the pressure sensor 106 of the pre-compression chamber, and the actual pressure value of the bale can be fed back, and then compared with the set pre-compression setting value, so as to guide the adjustment of the trigger structure of the pre-compression chamber to change the pre-compression setting value. And the density of the pre-compression chamber can be adjusted according to the degree of completion of the bale fed back later, and the adjustment of the density of the pre-compression chamber can be completed by a mechanical device.

In each of the above-mentioned embodiments, a rotational speed sensor 105 is also included, which is arranged on the pick-up device for detecting the rotational speed of the pick-up device; Grass is sent into the pre-compression chamber, otherwise the control alarm device will give an alarm. That is, the rotational speed sensor 105 detects the rotational speed of the pick-up device, and the pick-up rotational speed is used to judge the working state of the pick-up device. The controller 107 judges whether the rotation speed is within the normal value range through the program. If it is lower than the normal value, it means that the bale feeding amount exceeds the maximum design value. Travel speed to reduce bale feed. Through the above settings, the picking process is safer and more reliable.

In each of the above embodiments, a Beidou positioning data transmission system 109 electrically connected to the controller 107 is also included. The Beidou positioning data transmission system 109 is used to send the operation data and location information of the baler to the big data platform. Through the Beidou positioning data transmission system 109, data collection, satellite positioning, and access to the big data platform are realized, and the operation data and location information of the baler are sent to the big data platform, which is convenient for users or farm operators to inquire. The operation data may specifically include bale humidity, density, weight information, and the like.

In each of the above embodiments, a proximity switch arranged at the tail of the bale unwinding device for counting the bales is also included, so as to count the bales.

In each of the above embodiments, a display device 108 electrically connected to the controller 107 is also included. The display device 108 may specifically be a display screen. The display device 108 is a human-computer interaction system of the baler control system, which is used to display main operating parameters, such as: pick-up device speed, feeding device pressure, compaction piston thrust, bale quantity, bale length, etc. The display device 108 can specifically be connected to the controller 107 through a CAN bus, or can also be replaced by communication protocols such as RS232/485, Ethernet Modbus-TCP, etc.

The present invention also provides a kind of baler control control method, in a specific embodiment, comprises the following steps:

S01: Receive the thrust value of the compression piston of the compression device and the humidity value of the bale in the compression device detected in real time;

S02: Calculate the real-time density value of the bale according to the real-time thrust value of the compression piston;

S03: Compare the real-time density value with the density set value and generate a first electrical signal, and output the first electrical signal to the solenoid valve of the baling cylinder to control the outlet size of the baling chamber;

S04: Generate a first correction coefficient according to the humidity of the bale every preset interval and correct the first electrical signal to obtain a second electrical signal, and output the second electrical signal to the solenoid valve of the baling cylinder to control the outlet size of the baling chamber.

Further, it also includes:

S05: receiving and detecting the knotted bale weight;

S06: Calculate the actual density value of the bale according to the weight of the bale;

S07: Comparing the actual density value and the density setting value to generate a second correction coefficient and correcting the second electrical signal to obtain a third electrical signal;

S08: outputting a third electrical signal to the solenoid valve of the baling cylinder to control the outlet size of the baling chamber when the next bale starts to bale.

As shown in FIG. 4 , specifically, the first electrical signal is generated once for each program cycle, and the first correction coefficient is generated once every preset interval according to the humidity of the bale detected by the humidity sensor, and the first electrical signal is corrected. The above-mentioned program cycle may be a program cycle of a PLC controller or the like. The generation cycle of the first electrical signal is once in each program cycle. The preset interval can be specifically set according to needs, for example, if it is set to 2s, then the generation cycle of the second electrical signal is once every 2s. The actual density value of the bale is calculated according to the weight of the bale, and compared with the density setting value to generate a second correction coefficient, and the second electric signal is corrected to obtain a third electric signal. The third electric signal acts on the solenoid valve of the baling oil cylinder to control the outlet size of the baling chamber when the lower bale begins to bale. For the relevant parameters in other steps, please refer to the relevant description in the above-mentioned baler control system, and will not repeat them here.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

A baler control system, characterized in that it comprises:

The thrust sensor is arranged at the compression piston and the connecting rod of the compression device to detect the thrust of the compression piston in real time;

A humidity sensor, arranged on the compression device, is used to detect the humidity of the bale;

The solenoid valve of the baling cylinder is arranged on the compression device and is used to control the outlet size of the baling chamber;

The controller is electrically connected to the thrust sensor, the humidity sensor and the solenoid valve of the baling cylinder, and is used to calculate the real-time density value of the bale according to the real-time thrust value of the compression piston collected by the thrust sensor , comparing the real-time density value with the density set value and generating a first electrical signal, generating a first correction coefficient according to the humidity of the bale detected by the humidity sensor, and correcting the first electrical signal to obtain a second electrical signal, The second electrical signal acts on the solenoid valve of the baling oil cylinder to control the outlet size of the baling chamber.
The baler control system according to claim 1, further comprising:

The weighing device is set at the joint between the baling device and the frame, and is used to detect the weight of the knotted bale;

The controller is electrically connected with the weighing device, and is used to calculate the actual density value of the bale according to the weight of the bale detected by the weighing device, and compare the actual density value with the density setting value to generate a second The coefficient is corrected and the second electric signal is corrected to obtain a third electric signal, and the third electric signal acts on the solenoid valve of the baling cylinder to control the outlet size of the baling chamber when the next bale starts to bale.
The baler control system according to claim 2, wherein the controller is specifically configured to generate the first electrical signal once corresponding to each program cycle, and the first electrical signal acts on the baler cylinder The solenoid valve is used to control the outlet size of the baling chamber; the controller is specifically also used to generate the first correction coefficient once at a preset interval according to the humidity of the bale detected by the humidity sensor and to perform a correction on the first electrical signal and correcting to obtain the second electrical signal.
The baler control system according to any one of claims 1-3, further comprising a pressure sensor arranged on the feeding device for detecting the pressure value of the pre-compression chamber, the pre-compression When the pressure value of the chamber reaches the pre-compression set pressure value, the feeding fork will send the pre-compressed bale into the baling chamber.
According to the control system of the baler according to any one of claims 1-3, it is characterized in that it also includes a rotation speed sensor, which is arranged on the pick-up device and is used to detect the rotation speed of the pick-up device; the controller is specifically used for It is judged whether the rotating speed of the picking device is within the normal range, if so, the picked pasture is sent into the pre-compression chamber, otherwise the alarm device is controlled to give an alarm.
The strapping machine control system according to any one of claims 1-3, further comprising a Beidou positioning data transmission system electrically connected to the controller, and the Beidou positioning data transmission system is used for bundling The operation data and location information of the machine are sent to the big data platform.
The baler control system according to any one of claims 1-3, further comprising a proximity switch arranged at the tail of the baling device for counting the bales.
The baler control system according to any one of claims 1-3, further comprising a display device electrically connected to the controller.
A control method for a baler, characterized in that it comprises:

Receive the thrust value of the compression piston of the compression device and the humidity value of the bale in the compression device detected in real time;

Calculate the real-time density value of the bale according to the real-time thrust value of the compression piston;

Comparing the real-time density value with the density setting value to generate a first electrical signal, outputting the first electrical signal to the solenoid valve of the baling cylinder to control the outlet size of the baling chamber;

Generate a first correction coefficient according to the humidity of the bale every preset interval and correct the first electrical signal to obtain a second electrical signal, and output the second electrical signal to the solenoid valve of the baling cylinder to control the baling chamber Export size.
The baler control method according to claim 9, further comprising:

The knotted bale weight obtained by receiving the test;

Calculate the actual density value of the bale according to the weight of the bale;

Comparing the actual density value with the set density value to generate a second correction coefficient and correcting the second electrical signal to obtain a third electrical signal;

When the next bale starts to bale, the third electrical signal is output to the solenoid valve of the baling oil cylinder to control the outlet size of the baling chamber.