Installation assistance system for air conditioning device, installation assistance device, and installation assistance method
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Solution Overview
Problem
Existing air conditioning systems with mildly-flammable refrigerants require interlocks to prevent operation upon refrigerant leakage, necessitating manual checks of all indoor units during installation, slowing down the installation process.
Innovation Solution
An installation assistance system and device that determine the interlock release states of multiple indoor units and safety devices, providing a determination result to facilitate quick installation by identifying units requiring additional work and necessary safety measures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If interlock safety devices are installed in all indoor units to prevent refrigerant leakage, then safety reliability is improved, but installation time and complexity increase due to manual checking of all units
Solution Approach 1:
The air conditioning device performs self-diagnosis of interlock safety device installation status through automatic detection by the control unit. The system autonomously determines whether safety devices are properly installed by checking interlock signals from indoor units, eliminating the need for manual inspection by installation workers while maintaining safety reliability.
Solution Approach 2:
The system implements feedback mechanisms where indoor units transmit interlock status signals to the outdoor unit's control unit. The control unit receives and processes these signals to automatically determine the installation status of safety devices, providing real-time feedback that accelerates the installation verification process without compromising safety.
2Measurement precision
If manual checking of interlock status for all indoor units is performed during installation, then accurate safety verification is achieved, but installation productivity decreases
Solution Approach 1:
The air conditioning device autonomously verifies the installation status of interlock safety devices through automatic detection. The control unit in the outdoor unit systematically checks interlock signals from all connected indoor units and determines safety device installation status without requiring manual intervention, thereby maintaining verification accuracy while significantly improving installation productivity.
Solution Approach 2:
The manual mechanical inspection process is replaced with an automated electronic detection system. The control unit uses electronic interlock signals and logical determination algorithms to verify safety device installation status, substituting human labor with automated electronic verification that maintains precision while enhancing productivity.
Data Source
Figure 1
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AI summary
An air conditioning device (10) includes a plurality of indoor units (30) interlocking with a safety device (45, 50, 55, 60) as countermeasures against refrigerant leakage. An installation assistance system for the air conditioning device (10) determines the interlock release state of each indoor unit (30) based on information on the air conditioning device (10), and outputs a determination result.