Motor Vehicle Air Vent Ring-Slat Control With One Servomotor
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Solution Overview
Problem
Existing air outflow devices for motor vehicles lack the ability to efficiently and intuitively adjust temperature-controlled air flow directions, often requiring multiple motors and manual operation, which increases complexity and energy consumption.
Innovation Solution
An air outflow device equipped with an electric servomotor, a rotatably mounted rotation ring with adjustable slats, and a potentiometer, allowing for precise adjustment of air outlet directions using a single stepper motor, eliminating the need for multiple motors and enabling automatic saving and recall of preferred settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple motors are used for adjusting air outlet directions, then the adjustment precision and control capability are improved, but the device complexity and energy consumption increase
Solution Approach 1:
The patent combines multiple adjustment functions (vertical direction control and horizontal direction control) into a single motor system. The rotatable ring with slats allows one motor to control both vertical and horizontal air outlet directions through coordinated rotation of the ring and slats, eliminating the need for separate motors for each adjustment axis.
Solution Approach 2:
The single motor is designed to perform multiple functions: it controls both the vertical direction via the rotatable ring and the horizontal direction via the slats. This multi-functional design allows one motor to replace what would traditionally require two or more motors, reducing device complexity while maintaining comprehensive control capability.
2Ease of operation
If manual operation is used for adjusting slats, then the device complexity is reduced, but the ease of operation and adjustment precision deteriorate
Solution Approach 1:
The patent replaces manual mechanical adjustment with an electric motor system. The motor-driven mechanism automatically positions the slats and rotatable ring according to control signals, providing precise and convenient adjustment without requiring manual manipulation of mechanical components.
Solution Approach 2:
The system enables automatic adjustment where the motor self-regulates the position of the slats and ring based on control inputs. The integrated mechanism automatically coordinates the movement of multiple components (slats, ring, and housing) without requiring separate manual operations for each element.
3Use of energy by moving object
If a single motor is used for directional control, then the energy consumption and device complexity are reduced, but the adjustment precision and control capability may deteriorate
Solution Approach 1:
The patent employs a dynamic control mechanism where the single motor can independently control the position of the rotatable ring and the slats at different times. By sequentially adjusting vertical and horizontal directions through coordinated rotation, the system achieves precise bidirectional control with one motor, maintaining measurement precision while reducing energy consumption.
Data Source
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AI summary
An air discharge device for supplying temperature-controlled air for an interior of a motor vehicle, having at least one electric servomotor (7) and having a rotatably mounted rotation ring (5), wherein the rotation ring (5) has adjustable slats in an interior region of the rotation ring (5), wherein the air discharge device has a positionally fixed slotted guide (9) in which a pin (23) of the rotation ring (5) engages, wherein the pin (23) is connected to the slats such that the slats are adjusted by rotation of the rotation ring (5).