Refrigerator and control method for ultrasonic auxiliary processing apparatus thereof
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Solution Overview
Problem
Ultrasonic food processing devices in refrigerators are prone to overheating due to limited volume and lack of temperature and humidity control, leading to potential damage and inefficient operation.
Innovation Solution
A control method for an ultrasound-assisted processing device that adjusts its start-up ratio based on environmental parameters such as temperature and humidity inside and outside the refrigerator, periodically operating within a determined threshold to prevent overheating and ensure efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the ultrasonic food processing apparatus operates continuously to improve processing efficiency, then productivity increases, but the apparatus overheats and gets damaged
Solution Approach 1:
The control method implements periodic operation of the ultrasonic food processing apparatus by alternately starting and stopping it based on pre-set time intervals. The controller starts the apparatus for a first time period, then stops it for a second time period, creating a cyclic operation pattern that prevents continuous overheating while maintaining processing functionality
2Productivity
If the ultrasonic food processing apparatus operates at high power to improve processing speed, then productivity increases, but temperature rises causing overheating damage
Solution Approach 1:
The control method uses periodic start-stop operation to limit cumulative heat generation. By interrupting high-power operation with stop periods, the system allows heat dissipation while still achieving processing objectives, preventing temperature from reaching damaging levels
Solution Approach 2:
The control method proactively manages temperature by pre-scheduling stop periods before overheating occurs. The controller anticipates temperature rise during high-power operation and interrupts operation in advance to allow cooling, preventing the apparatus from reaching critical temperature thresholds
3Temperature
If the apparatus volume is increased to improve heat dissipation, then temperature control improves, but the refrigerator space is reduced
Solution Approach 1:
Instead of increasing apparatus volume for better heat dissipation, the control method achieves temperature management through periodic operation. This allows the apparatus to maintain a compact size while still preventing overheating through time-based operational control
Solution Approach 2:
The control method manages temperature by changing operational parameters (time intervals, duty cycle) rather than physical parameters (apparatus volume). This allows effective heat management while maintaining the apparatus at its original compact size, preserving refrigerator space
4Adaptability or versatility
If the ultrasonic food processing apparatus is added to the refrigerator to provide more functions, then versatility increases, but the risk of overheating damage increases
Solution Approach 1:
The control method enables safe integration of the ultrasonic apparatus by implementing periodic operation that prevents overheating. This allows the refrigerator to gain the versatile food processing function while the reliability risk is mitigated through automated start-stop control
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
Prevents damage to the ultrasonic generator and transducer by overheating, ensuring normal processing and improving efficiency by adjusting operation according to environmental conditions.
Implementation Method 1
an ultrasonic transducer installed at the bottom of the tray
Data Source
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AI summary
Provided are a refrigerator and a control method for an ultrasound-assisted processing device thereof. The ultrasound-assisted processing device includes a tray arranged inside a refrigerating chamber of a refrigerator, an ultrasonic transducer installed at the bottom of the tray, and an ultrasonic generator installed on the back side of the refrigerator. The control method includes: starting the ultrasound-assisted processing device; acquiring operating environment parameters of the refrigerator; determining a start-up ratio threshold of the ultrasound-assisted processing device according to the operating environment parameters of the refrigerator; and controlling the ultrasound-assisted processing device to run periodically within the range of the start-up ratio threshold. The ultrasound-assisted processing device can be prevented from being damaged by overheating, thereby ensuring the normal operation of the ultrasound-assisted processing device in the refrigerator.