Remote Bale Length Control Using Sensor-Triggered Baler Knotting
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Solution Overview
Problem
Existing agricultural balers require users to be in close physical proximity for adjusting bale length control, limiting convenience and efficiency.
Innovation Solution
Agricultural balers equipped with a bale length sensor, knotter, and controller that allow remote adjustment of bale length via a wireless device, enabling digital control from a distance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a mechanical adjustment mechanism is used for bale length control, then the baler can be adjusted to different bale lengths, but the user must be in close physical proximity to the baler for adjustment
Solution Approach 1:
The patent replaces the mechanical adjustment mechanism with a digital control system that uses a controller, bale length sensor, and wireless communication device. The controller receives bale length signals from the sensor and processes them to determine when to activate the knotter, eliminating the need for mechanical adjustment mechanisms and allowing remote operation via wireless communication.
Solution Approach 2:
The patent introduces a wireless communication device as an intermediary between the user and the baler control system. This intermediary allows the user to remotely adjust bale length parameters without being physically close to the baler, transmitting control signals wirelessly to the controller while receiving feedback about bale formation status.
2Extent of automation
If manual monitoring of bale length is used, then no additional sensors are needed, but the user cannot remotely monitor or control bale length
Solution Approach 1:
The patent implements self-service functionality where the bale length sensor continuously monitors bale length and automatically provides feedback to the controller. The controller processes this information autonomously to determine when the bale reaches the target length and activates the knotter without requiring manual measurement or intervention, enabling remote monitoring and control.
Solution Approach 2:
The patent incorporates a feedback mechanism where the bale length sensor continuously measures the actual bale length and sends this information back to the controller. The controller compares the actual length against the target length and uses this feedback to automatically control the knotter activation, enabling precise remote monitoring and control of bale formation.
3Adaptability or versatility
If fixed bale length control is used, then the system is simple to operate, but the system cannot adapt to different bale length requirements
Solution Approach 1:
The patent implements dynamic bale length control by allowing the target bale length parameter to be remotely adjusted during operation. The wireless communication device enables the user to change bale length settings in real-time, and the controller dynamically adapts the knotter activation timing based on the updated target length, allowing the system to adapt to different bale length requirements while maintaining ease of operation through remote control.
Data Source
AI summary
An agricultural baler includes a main bale chamber; a bale length sensor that is configured to determine a length of the bale as the bale is being formed in the main bale chamber and output a bale length signal representative of the bale length; a knotter that is configured to wrap and tie twine around the bale in the main bale chamber; and a controller that is configured to output a knotter cycle initiation signal to the knotter when the length of the bale, as determined in the controller by the bale length signal, reaches a pre-determined bale length threshold value, and wherein the knotter cycle initiation signal actuates the knotter to wrap and tie twine around the bale. A remote control device, which is remote from the baler, is configured to communicate with the controller to remotely adjust the pre-determined bale length threshold value.