Operation control method of refrigerator and refrigerator

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Solution Overview

Problem

Outdoor/car refrigerators experience battery temperature rises due to sun exposure and trunk placement, posing safety risks.

Innovation Solution

Implement a control method that monitors battery temperature in real time and adjusts compressor and fan operations to reduce discharge and heat generation, using preset temperature thresholds to manage battery operation safely.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the compressor operates at high power to improve refrigeration efficiency, then the battery temperature rises excessively, but the refrigeration effect is improved

Engineering Contradiction:

Improverefrigeration efficiencyVSAvoidbattery temperature

Core Design Contradiction:

ProductivityVSTemperature

Solution Approach 1:

The compressor operates at different power levels dynamically adjusted based on battery temperature. When battery temperature is normal, the compressor runs at high power for efficient refrigeration. When battery temperature exceeds thresholds, the system automatically reduces compressor power or stops operation, creating a dynamic balance between refrigeration needs and battery safety

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system changes the operating parameters of the compressor based on battery temperature conditions. By monitoring battery temperature and adjusting compressor power output accordingly, the system optimizes the balance between maintaining refrigeration effectiveness and preventing battery overheating

Inventive Principle:

Principle #35Parameter changes

2Productivity

If the battery discharge rate is increased to improve refrigeration performance, then the heat generation increases, but the cooling capacity is improved

Engineering Contradiction:

Improverefrigeration performanceVSAvoidheat generation

Core Design Contradiction:

ProductivityVSObject-generated harmful factors

Solution Approach 1:

The system converts the harmful heat generated by battery discharge into useful information for control decisions. By monitoring battery temperature and using it as a feedback signal, the system adjusts discharge rates to prevent harmful overheating while maintaining adequate refrigeration performance

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The system implements a feedback mechanism where battery temperature is continuously monitored and used to adjust the compressor operation and battery discharge rate. This closed-loop control ensures that heat generation remains within safe limits while maintaining refrigeration effectiveness

Inventive Principle:

Principle #23Feedback

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

Effectively lowers battery temperature and reduces discharge, enhancing safety by preventing overheating and improving battery performance.

Implementation Method 1

controlling a compressor of the refrigerator to operate at a lower tap position... reduce the discharge amount of the battery, and further reduce the heat amount of the battery

Methodology Applied

Scientific EffectThermal management through compressor operation adjustment:

Data Source

PatentEP4647683A1Operation control method of refrigerator and refrigerator

Publication Date: 2025.11.12 ANKER INNOVATIONS TECH CO LTD

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AI summary

Disclosed are an operation control method of a refrigerator and a refrigerator. In the case where the refrigerator is in the battery-powered refrigeration mode, the battery temperature of the refrigerator battery can be acquired in real time and is compared with the first preset temperature and the second preset temperature which are lower than the preset protection temperature. When the battery temperature is between the first preset temperature and the second preset temperature, the compressor (601) of the refrigerator is controlled to operate at a lower tap position, and when the battery temperature is lower than or equal to the first preset temperature, the tap position of the compressor (601) is kept unchanged. Through this solution, when the battery temperature is too high, that is, the battery temperature is between the first preset temperature and the second preset temperature, the operation tap position of the compressor (601) can be lowered, so as to reduce the discharge amount of the battery (606), and further reduce the heat amount of the battery (606). In this way, in the process of starting the refrigerator, the operating temperature of the battery (606) is lowered as much as possible to improve the use safety of the battery (606).