Fermentation Temperature Control via Flow Rate Adjustment

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Solution Overview

Problem

Existing fermentation and aging apparatuses lack effective automatic temperature control for the fluid introduced into the fermentation tank, which is crucial for maintaining optimal conditions during the beer-making process, leading to inconsistencies in the fermentation process.

Innovation Solution

A fermentation and aging apparatus comprising a tank, a fermentation container, a pump, a flow rate control valve, a heater, and a temperature sensor, with a controller that adjusts the flow rate based on measured temperature to maintain a predetermined target temperature, ensuring precise temperature control by increasing, decreasing, or maintaining the flow rate as necessary.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If automatic temperature control is implemented using flow rate adjustment, then fermentation consistency is improved, but device complexity increases

Engineering Contradiction:
Improvefermentation consistencyVSAvoidcontrol system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The controller continuously monitors the fluid temperature via the temperature sensor and automatically adjusts the flow rate control valve based on the difference between measured and target temperatures. This closed-loop feedback mechanism ensures consistent fermentation conditions without manual intervention, resolving the contradiction by automating temperature control to improve reliability while managing complexity through systematic control logic.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs self-regulation of temperature by automatically adjusting its own flow rate based on real-time temperature measurements. The controller compares current temperature with target temperature and autonomously modifies the flow rate to maintain optimal fermentation conditions, enabling the system to service itself and improve consistency without external control.

Inventive Principle:
Principle #25Self-service

2Manufacturing precision

If flow rate control valve is used to regulate fluid temperature, then temperature control precision is improved, but device complexity increases

Engineering Contradiction:
Improvetemperature control precisionVSAvoidvalve control mechanism
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The system replaces manual mechanical temperature adjustment with an automated control system that uses a flow rate control valve regulated by electrical signals from the controller. This substitution of manual mechanical control with an electromechanical system enables precise temperature control through electronic regulation of fluid flow, improving precision while managing complexity through integrated control electronics.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Measurement precision

If continuous temperature monitoring is implemented, then fermentation control accuracy is improved, but energy consumption increases

Engineering Contradiction:
Improvetemperature measurement accuracyVSAvoidenergy consumption
Core Design Contradiction:
Measurement precisionVSUse of energy by moving object

Solution Approach 1:

The temperature sensor continuously monitors fluid temperature, and the controller periodically adjusts the flow rate control valve based on temperature deviations. This periodic control action, rather than continuous adjustment, reduces energy consumption by activating the valve only when temperature correction is needed, while maintaining measurement precision through continuous monitoring.

Inventive Principle:
Principle #19Periodic action

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

This solution enables improved fermentation control by maintaining optimal temperature conditions, enhancing the quality and consistency of the beer-making process by automatically adjusting the fluid flow rate to match temperature requirements.

Implementation Method 1

a heater configured to heat fluid discharged from the tank

Methodology Applied
Scientific EffectHeating: Heating

Implementation Method 2

a temperature sensor configured to measure a temperature of the fluid passing through the heater

Methodology Applied
Scientific EffectTemperature measurement: Temperature Gradient

Data Source

PatentEP3739031B1Fermentation and aging apparatus and method for controlling fermentation and aging apparatus
Publication Date: 2023.11.29 LG ELECTRONICS INC
  • EP3739031B1 patent drawingFigure 1
  • EP3739031B1 patent drawingFigure 2
  • EP3739031B1 patent drawingFigure 3

AI summary

A fermentation and aging apparatus and a method for controlling a fermentation and aging apparatus are provided. The fermentation and aging apparatus may include a tank in which a fluid, such as water may be accommodated, a fermentation container forming a space in which the fluid discharged from the tank may be accommodated, a pump disposed in a channel between the tank and the fermentation container to supply the fluid accommodated in the tank to the fermentation container, a flow rate control valve configured to control a flow rate of the fluid discharged from the tank, a heater configured to heat the fluid discharged from the tank, a temperature sensor configured to measure a temperature of the fluid passing through the heater, and a controller configured to control a degree of opening of the flow rate control valve based on the measured temperature.