HVAC Refrigerant Gas Sensor with Orientation and Position Verification
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
HVAC systems face challenges in varying indoor space temperature requirements due to the limitations of ducted systems and the inefficiency of ductless systems in robust heating, especially in climates requiring significant indoor space heating.
Innovation Solution
The integration of refrigerant gas sensors and orientation/position sensors in HVAC systems to detect and correct the installation and orientation of refrigerant gas sensors, preventing system operation until proper installation is ensured, thereby maintaining system efficiency and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If ducted systems are used to vary indoor space temperature requirements, then temperature control flexibility is improved, but system complexity and space requirements increase due to multiple outdoor units and ductwork
Solution Approach 1:
The patent applies multi-functionality by integrating multiple sensor types (refrigerant gas sensor, orientation sensor, position sensor) into a single HVAC system platform. This allows the system to simultaneously perform leak detection, installation verification, and operational control functions, achieving temperature control flexibility without proportionally increasing system complexity
2Ease of operation
If refrigerant gas sensors are installed without orientation and position verification, then system operation is simplified, but detection accuracy and safety are reduced
Solution Approach 1:
The patent implements preliminary action by verifying sensor orientation and position through dedicated sensors before allowing HVAC system operation. The control system checks sensor installation correctness in advance, ensuring detection accuracy is maintained while keeping the operational process simple through automated verification
Solution Approach 2:
The patent uses feedback mechanisms where orientation sensors and position sensors continuously monitor sensor installation status and provide information to the control system. This closed-loop feedback ensures detection precision is maintained while requiring minimal user intervention for system operation
3Productivity
If HVAC systems operate without proper sensor installation verification, then productivity is improved, but system safety and performance are compromised
Solution Approach 1:
The patent performs preliminary verification of sensor installation through orientation and position sensors before enabling system operation. This advance check ensures system safety and reliability are maintained while minimizing delays to productivity through automated, rapid verification processes
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures accurate detection of refrigerant leaks and proper sensor orientation, enhancing HVAC system performance and safety by preventing operation until sensors are correctly positioned, thus improving temperature control and reducing energy inefficiencies.
Implementation Method 1
a refrigerant gas sensor positioned to detect leaking refrigerant within the system
Implementation Method 2
an orientation sensor to detect the orientation of the refrigerant gas sensor
Implementation Method 3
at least one position sensor to detect the location at which the refrigerant gas sensor is installed
Implementation Method 4
designed to transfer heat between the circulating refrigerant and flowing ambient air
Implementation Method 5
a fluid transitioning from gas to liquid releases heat, while a fluid transitioning from liquid to gas absorbs heat
Data Source
AI summary
An HVAC system with a refrigerant gas sensor is provided. In one embodiment, an HVAC system includes a heat exchanger coil installed within a housing. The heat exchanger coil is operable to exchange heat with air in the housing via a refrigerant passing through the heat exchanger coil. The system also includes an HVAC sensor assembly installed within the housing. The HVAC sensor assembly includes a refrigerant gas sensor and an orientation sensor positioned to detect an orientation of the refrigerant gas sensor. The HVAC system may also or instead include a position sensor to detect the position of the refrigerant gas sensor within the system. Additional systems, devices, and methods are also disclosed.