Signal transmission method, system, device, storage medium and electronic device

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Solution Overview

Problem

Existing power line carrier communication technologies in air conditioning units experience communication failures due to different phase line connections between indoor and outdoor units, requiring complex topological structures and additional communication lines.

Innovation Solution

A signal transmission method where air conditioning units share a single power line for communication, using any phase line as a designated power line, allowing normal communication without identical phase connections, and employing error-correctable encoding and modulation to enhance reliability, especially in noisy environments.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional power line carrier communication is used with specific phase line connections, then communication reliability is improved, but installation complexity and topological structure requirements increase

Engineering Contradiction:
Improvecommunication reliabilityVSAvoidtopological structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent makes the power line communication system universal by enabling communication on any phase line (L1, L2, or L3) without requiring specific phase connections. The system adapts to different power line configurations automatically, eliminating the need for predetermined topological structures while maintaining communication reliability across diverse installation scenarios.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent changes the operational parameters by allowing dynamic selection of different phase lines for communication based on availability and conditions. Instead of fixing the communication path to specific phases, the system can switch between L1, L2, and L3, adapting to different power supply configurations and eliminating rigid topological requirements.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If additional communication lines are installed to ensure reliable communication, then communication stability is improved, but installation cost and complexity increase

Engineering Contradiction:
Improvecommunication stabilityVSAvoidinstallation ease
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent enables the power line communication system to serve itself by utilizing the existing power distribution infrastructure. The communication function is embedded within the power lines already present in the system, eliminating the need for separate communication cabling. The system automatically selects and uses available power lines for both power delivery and data transmission, reducing installation requirements while maintaining stability.

Inventive Principle:
Principle #25Self-service

3Reliability

If phase line specific connections are required for communication, then signal transmission quality is improved, but adaptability to different installation scenarios deteriorates

Engineering Contradiction:
Improvesignal transmission qualityVSAvoidinstallation scenario adaptability
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The communication system achieves universality by functioning effectively across all three phase lines (L1, L2, L3) and adapting to various power distribution topologies. The system does not require predetermined phase assignments or specific connection patterns, enabling deployment in diverse installation scenarios including radial, ring, and mesh configurations without compromising signal quality.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent introduces dynamic adaptability by allowing the communication system to automatically select and switch between different phase lines based on real-time conditions. The system can dynamically adjust its operation to utilize any available phase line, making it adaptable to changing installation scenarios, power supply configurations, and network topologies while maintaining transmission quality.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS11519626B2Signal transmission method, system, device, storage medium and electronic device
Publication Date: 2022.12.06 GREE ELECTRIC APPLIANCE INC OF ZHUHAI
  • US11519626B2 patent drawing
  • US11519626B2 patent drawing
  • US11519626B2 patent drawing

AI summary

The present disclosure relates to a signal transmission method, system, device, a storage medium and an electronic device. The method includes: determining data to be transmitted by a unit in air conditioning units; and transmitting, by the unit, the data to be transmitted to other units through a designated power line in multiphase power lines, wherein the designated power line is any power line in the multiphase power lines, and the designated power line is a power line shared by all units in the air conditioning units.