Centralized control method and system for vrv air conditioning system, and computer readable storage medium

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Solution Overview

Problem

The complexity of centralized control in multi-split air conditioning systems, particularly due to complex wiring or debugging processes, leads to inefficiencies and instability in managing outdoor and indoor units, especially in large commercial settings.

Innovation Solution

A centralized control method that uses a debugging terminal to acquire an outdoor unit's identification code, send requests to a cloud server for system information, create a project, upload project information, and generate a delivery code, allowing a centralized control device to load and activate the project without communication wiring or network debugging, simplifying the management process.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If wired communication is used for centralized control, then control stability is improved, but wiring complexity increases

Engineering Contradiction:
Improvecontrol stabilityVSAvoidwiring complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical wiring system with a wireless communication system. The centralized control device communicates with outdoor and indoor units through wireless signals, eliminating the need for complex physical wiring while maintaining control functionality. This substitution resolves the contradiction by removing the mechanical constraint (wiring) that caused complexity.

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

2Device complexity

If wireless communication is used for centralized control, then wiring complexity is reduced, but debugging complexity and communication stability worsen

Engineering Contradiction:
Improvewiring complexityVSAvoiddebugging complexity
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The patent implements preliminary action by pre-configuring communication parameters and establishing connection protocols before actual centralized control operation. The system performs automatic device discovery, network topology detection, and communication parameter negotiation during initial setup, eliminating the need for manual debugging later. This preliminary configuration resolves the debugging complexity issue.

Inventive Principle:
Principle #10Preliminary action

3Device complexity

If wireless communication is used for centralized control, then wiring complexity is reduced, but communication stability worsens due to building structure

Engineering Contradiction:
Improvewiring complexityVSAvoidcommunication stability
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The patent introduces a gateway device as an intermediary between the centralized control device and indoor units. The gateway receives control signals, processes them, and forwards appropriate commands to target devices. This intermediary layer stabilizes communication by handling signal routing, error correction, and protocol conversion, compensating for the instability caused by building structures blocking direct wireless signals.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Reliability

If traditional centralized control implementation process is used, then control functionality is achieved, but implementation complexity increases

Engineering Contradiction:
Improvecontrol functionalityVSAvoidimplementation complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent uses copying by creating a virtual representation of the air conditioning system topology in the centralized control device. Instead of directly mapping physical connections, the system creates a logical model that mirrors the actual device relationships. This virtual copy simplifies control implementation by allowing configuration and management through the simplified virtual model rather than dealing with complex physical wiring details.

Inventive Principle:
Principle #26Copying

Data Source

PatentEP3767191B1Centralized control method and system for vrv air conditioning system, and computer readable storage medium
Publication Date: 2022.05.25 GD MIDEA HEATING & VENTILATING EQUIP CO LTD
  • EP3767191B1 patent drawingFigure 1~2

AI summary

Disclosed is a centralized control method for a VRV air conditioning system, comprising: a debugging terminal sending a first acquisition request to a cloud server on the basis of an identification code; the debugging terminal creating a project on the basis of system information; the debugging terminal uploading project information corresponding to the project to the cloud server, so that the cloud server generates a delivery code corresponding to the project information; a centralized control device sending a second acquisition request to the cloud server on the basis of the delivery code; and the centralized control device loading the project corresponding to the delivery code on the basis of the project information, and activating same. Also disclosed in the present application are a centralized control system for a VRV air conditioning system and a computer readable storage medium. The present application implements centralized supervision of a VRV air conditioning system, without the need of communication wiring or network debugging, simplifying the flow of the process of the VRV air conditioning system implementing the centralized supervision, improving the efficiency with which the VRV air conditioning system implements centralized supervision.