Digital controller for air conditioner used in enclosure cooling

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Solution Overview

Problem

Existing enclosure cooling systems lack efficient and intelligent control mechanisms for air conditioners, leading to potential equipment failures and suboptimal energy consumption due to inadequate temperature regulation and lack of predictive maintenance.

Innovation Solution

A digital controller mounted on the air conditioner unit that monitors current and vibration data from components like compressors and fans, providing real-time failure predictions and allowing wireless or wired control via a mobile app, with automated set point adjustments and redundant control features.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional cooling systems are used without digital control, then the system structure is simple, but the reliability is poor due to lack of predictive maintenance and real-time monitoring

Engineering Contradiction:
Improvepredictive maintenance capabilityVSAvoidcontrol system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements feedback mechanisms through sensors that continuously monitor temperature, humidity, and equipment status within the enclosure. This real-time data feeds back to the digital controller, enabling predictive maintenance by detecting anomalies before they cause failures, thus improving reliability without requiring overly complex system architecture

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The cooling system performs self-diagnosis and self-adjustment through automated sensor monitoring and controller-based regulation. The system automatically detects potential failures, adjusts operational parameters, and manages its own maintenance needs, reducing the burden on external monitoring while enhancing reliability

Inventive Principle:
Principle #25Self-service

2Use of energy by moving object

If basic temperature control is used, then the device complexity is low, but energy consumption is high due to lack of optimized regulation

Engineering Contradiction:
Improveenergy efficiencyVSAvoidcontrol mechanism complexity
Core Design Contradiction:
Use of energy by moving objectVSDevice complexity

Solution Approach 1:

The digital controller dynamically adjusts cooling system operations based on real-time environmental conditions and load requirements. By continuously optimizing temperature setpoints and compressor runtime based on actual needs rather than fixed schedules, the system significantly improves energy efficiency while the complexity remains manageable through software-based control

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes operational parameters such as temperature setpoints, fan speeds, and compressor capacity based on real-time sensor data. This dynamic parameter adjustment allows the cooling system to operate at optimal efficiency levels under varying conditions, reducing energy consumption without requiring complex hardware modifications

Inventive Principle:
Principle #35Parameter changes

3Productivity

If manual control methods are used, then the ease of operation is high, but productivity is reduced due to lack of automated optimization

Engineering Contradiction:
Improvecooling system efficiencyVSAvoidcontrol accessibility
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The cooling system automatically optimizes its operation through self-diagnosis, real-time monitoring, and automated parameter adjustment. This self-service capability maximizes cooling efficiency and productivity without requiring constant manual intervention, while the system remains easily operable through simple interface controls for user-initiated adjustments

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS12571552B2Digital controller for air conditioner used in enclosure cooling
Publication Date: 2026.03.10 ICE QUBE INC
  • US12571552B2 patent drawing
  • US12571552B2 patent drawing
  • US12571552B2 patent drawing

AI summary

An example implementation includes a method of monitoring and controlling an air conditioning unit. An example method includes obtaining, from a sensor disposed in an air conditioning unit, data indicative of one or more of current and vibration associated with a physical component of the air conditioner; analyzing, using one or more of a processor and a circuit, the data; determining, based on the analyzing, that the data indicates that the physical component may fail; and providing, responsive to the determining, an indication of failure.