Electrode Sheet Oven Drying With Closed-Loop Humidity Control
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Solution Overview
Problem
Existing ovens used in battery production lack the capability to monitor and automatically regulate humidity, leading to inconsistent drying of electrode sheets, which can result in over-drying or under-drying, affecting battery performance and safety.
Innovation Solution
An electrode sheet oven drying apparatus equipped with a humidity detection module and control module to regulate air volume through valves, ensuring real-time humidity adjustment and maintaining optimal drying conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional oven drying is used without humidity monitoring, then the device complexity is low, but the manufacturing precision of electrode sheet drying is poor
Solution Approach 1:
The patent implements automatic humidity control through a feedback mechanism where a humidity sensor continuously monitors the oven chamber humidity and transmits signals to a controller. The controller automatically adjusts the air volume regulating valve based on the detected humidity levels, creating a closed-loop control system that maintains optimal drying conditions without manual intervention.
Solution Approach 2:
The patent replaces manual mechanical humidity adjustment with an automated electronic control system. The air volume regulating valve is controlled electronically through a controller that receives signals from the humidity sensor, substituting the need for manual mechanical adjustment and enabling precise, consistent humidity control throughout the drying process.
2Productivity
If manual humidity adjustment is used, then the device complexity is low, but the productivity and drying consistency are poor
Solution Approach 1:
The patent enables the drying system to self-regulate humidity automatically. The humidity sensor continuously monitors conditions and the controller automatically adjusts the air volume regulating valve without requiring operator intervention. This self-service capability maintains optimal drying conditions consistently, improving productivity and drying uniformity across multiple batches.
Solution Approach 2:
The patent implements continuous humidity monitoring and adjustment throughout the drying process. The humidity sensor operates continuously to detect humidity levels, and the controller continuously adjusts the air volume regulating valve to maintain optimal conditions. This continuous control ensures consistent drying performance and eliminates interruptions or variations that would occur with manual adjustment.
3Reliability
If humidity is not monitored in real-time, then the device complexity is low, but the reliability of battery production is poor
Solution Approach 1:
The patent implements real-time humidity monitoring through a humidity sensor that continuously detects the humidity level in the oven chamber and transmits this information to the controller. This feedback mechanism ensures that humidity conditions are constantly monitored and maintained within the optimal range, guaranteeing consistent electrode sheet drying quality and reliable battery production results.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Accurate humidity control improves the drying efficiency and stability of electrode sheets, preventing defects and ensuring battery performance and safety.
Implementation Method 1
a humidity detection module (40) installed in the oven drying chamber (12) and configured to detect the humidity in the oven drying chamber (12)
Implementation Method 2
a first air volume regulating valve (32) installed in one end of the air discharge pipe (30) connected to the accommodating cavity, and configured to regulate a volume of steam discharged from the accommodating cavity
Implementation Method 3
The upper compartment (21) and the lower compartment (23) are used for blowing air to electrode sheets in the oven drying channel to evaporate the solvent on the electrode sheets
Implementation Method 4
The upper compartment (21) and the lower compartment (23) are used for blowing air to electrode sheets in the oven drying channel
Implementation Method 5
the control module (50) is configured to regulate the first air volume regulating valve (32) according to the humidity in the oven drying chamber (12)
Data Source
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Figure 2
AI summary
The present application relates to an electrode sheet oven drying apparatus, a battery production device, and an electrode sheet oven drying method. The electrode sheet oven drying apparatus includes an oven (10) provided with an oven drying chamber (12); an oven drying assembly (20) positioned in the oven drying chamber (12); an air discharge pipe (30) connected to the oven drying chamber (12); a first air volume regulating valve (32) installed at one end of the air discharge pipe (30) connected to the oven drying chamber (12); a humidity detection module (40) installed in the oven drying chamber (12) and configured to detect the humidity in the oven drying chamber (12); and a control module (50) communicatively connected to the humidity detection module (40) and configured to regulate the first air volume regulating valve (32) according to the humidity in the oven drying chamber (12).