Vehicle Climate Status Indicator with Light Guide and Touch Sensor
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Solution Overview
Problem
Current vehicle climate control systems lack intuitive and efficient visual indicators for the HVAC system, making it difficult for drivers to quickly understand the status of climate control operations.
Innovation Solution
A climate status indicator system featuring a light guide around the vent perimeter and a light device coupled to vent fins, using capacitive touch sensors and a controller to provide visual cues through lighting colors and pulse rates to indicate fan speed, air temperature, and other climate control parameters, activating a climate control screen upon touch.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If multiple sensors and visual indicators are added to provide comprehensive climate status information, then the information completeness and driver understanding improve, but the device complexity increases
Solution Approach 1:
The light guide serves multiple functions: it acts as a structural component of the vent assembly, a touch sensor interface for user interaction, and a visual indicator display for climate status information. This multi-functionality reduces the need for separate components, thereby managing device complexity while providing comprehensive information.
Solution Approach 2:
The patent combines the light guide, light devices, touch sensors, and climate control indicators into a single integrated assembly. This merging of components reduces overall system complexity by eliminating the need for separate mounting structures, wiring harnesses, and control circuits for each individual component.
2Loss of information
If visual indicators use multiple colors and pulse rates to indicate different climate parameters, then the information density and communication efficiency improve, but the device complexity increases
Solution Approach 1:
The light devices emit different colors (e.g., blue for air conditioner status, red for heater status, orange for fan status, purple for air quality status, green for filter status, indigo for vent pressure status) to indicate various climate parameters. This color-coding system allows multiple pieces of information to be conveyed through a single visual element, increasing information density without proportionally increasing device complexity.
Solution Approach 2:
The light guide can pulse at different rates to indicate fan speed and air temperature, using temporal variations in light emission to encode additional information. This periodic action allows the system to communicate multiple parameters through the same physical indicator, maintaining simplicity while maximizing information transmission.
3Ease of operation
If capacitive touch sensors are integrated into the light guide and light device, then the user interaction and accessibility improve, but the device complexity increases
Solution Approach 1:
The light guide and light device serve dual purposes: they provide visual climate status information and function as capacitive touch sensors for user interaction. This integration allows the same component to be both an information display and a control interface, improving ease of operation while minimizing the increase in device complexity.
Solution Approach 2:
The capacitive touch sensors are integrated directly into the visible light guide and light device components, allowing users to interact with the system by touching the same elements they use to view information. This self-service approach combines indication and control functions in a single intuitive interface.
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
Enhances driver understanding of climate control system operations by providing intuitive visual feedback, improving user interaction and accessibility to HVAC system information.
Implementation Method 1
a light guide positioned around a vent perimeter and a light device coupled to at least one vent fin. The light guide and/or the light device are configured to provide a visual indicator of a climate status
Implementation Method 2
the light guide comprises a first capacitive touch sensor; the light device comprises a second capacitive touch sensor
Data Source
AI summary
A climate status indicator for a vehicle includes a light guide positioned around a vent perimeter. The climate status indicator additionally includes a light device coupled to at least one vent fin. The light guide and/or the light device are configured to provide a visual indicator of a climate status.