Water Purifier Remote Control via Server-Based Usage Pattern Analysis

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Solution Overview

Problem

Existing water purifier control systems face challenges in compactness, power efficiency, and user convenience due to the need for large storage and information processing units, limiting their ability to become smart devices and meet user demands for advanced features like remote control and power saving.

Innovation Solution

A control device for water purifiers that includes a communication module for remote communication with a central server, enabling operation information transmission and control information reception, which allows for remote operation and control of the water purifier based on usage history, weather data, and user preferences, using a Wi-Fi communication protocol.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a water purifier includes large capacity storage unit and information processing unit to store usage history and determine usage pattern, then the water purifier can determine usage pattern and operate according to determination, but the device complexity increases and compactness is compromised

Engineering Contradiction:
Improveusage pattern determination capabilityVSAvoidconfiguration complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent extracts the complex storage and information processing functions from the water purifier device itself and relocates them to an external server. The water purifier only retains minimal local storage for basic operation data, while usage history storage and pattern analysis are performed externally, thus resolving the contradiction between adaptability and device complexity.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent introduces a server as an intermediary between the water purifier and the user. The server acts as a mediator that receives operation information from the water purifier, stores usage history, determines usage patterns, and sends control information back to the water purifier, thereby eliminating the need for complex local processing units in the water purifier.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If a water purifier includes large capacity storage unit and information processing unit, then the water purifier can determine usage pattern, but the water purifier cannot easily become a smart device with remote control and power saving functions

Engineering Contradiction:
Improveusage pattern determination capabilityVSAvoidsmart device functionality
Core Design Contradiction:
Adaptability or versatilityVSExtent of automation

Solution Approach 1:

The patent extracts smart device functions including remote control capability and power saving operations from the water purifier's local processing requirements and implements them through external server communication. The water purifier uses minimal local resources to maintain connectivity and receive commands, enabling smart functionality without requiring complex local processing units.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The server acts as an intermediary that enables smart device functionality by handling complex operations remotely. The server receives operation information from the water purifier, performs pattern determination, and sends automated control commands back, allowing the water purifier to function as a smart device without requiring extensive local automation capabilities.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Device complexity

If the water purifier operates without reflecting operation information, then the configuration is simple, but the water purifier cannot be effectively and properly operated according to operation state

Engineering Contradiction:
Improveconfiguration simplicityVSAvoidoperation effectiveness
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The patent implements a feedback mechanism where the water purifier transmits operation information to the server, receives control information based on usage pattern determination, and adjusts its operation accordingly. This feedback loop enables the water purifier to operate effectively according to its operation state while maintaining simple local configuration, as the intelligent decision-making is performed externally.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS11111158B2Control device of liquid dispenser, liquid dispenser, and control system of liquid dispenser
Publication Date: 2021.09.07 LG ELECTRONICS INC
  • US11111158B2 patent drawing
  • US11111158B2 patent drawing
  • US11111158B2 patent drawing

AI summary

Provided are a control device of a water purifier, a water purifier, and a control system of a water purifier. The control device of a water purifier includes a communication module transmitting operation information regarding an operation of the water purifier to a central server and receiving control information regarding control of the water purifier from the central server, and a control module generating the operation information and transmitting the generated operation information to the central server through the communication module and controlling an operation of the water purifier on the basis of the control information received from the central server.