Electronic Shift Control Haptic Motor Air Gap for Noise Isolation
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Solution Overview
Problem
Existing electronic shift control systems lack effective measures to prevent mis-operation and minimize vibration and noise transmission, which can lead to damage to the haptic motor and compromise safety.
Innovation Solution
An electronic shift control apparatus that includes a haptic motor with an air gap around it to absorb vibrations and noise, coupled with a shift dial and P-range button, which generates a haptic signal to the driver when shifting into specific ranges, ensuring accurate operation and preventing damage to the motor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a haptic motor is installed directly to the fixing bracket, then the structure is simple and compact, but vibration and noise are transmitted to other parts and the motor may be damaged
Solution Approach 1:
The patent introduces an intermediary structure (housing or mounting bracket with damping material) between the haptic motor and the fixing bracket. This intermediary component absorbs and isolates vibrations and noise, preventing them from transmitting to other parts of the system while still providing secure mechanical support for the motor.
2Device complexity
If a haptic motor is installed directly to the fixing bracket, then the structure is simple and compact, but the motor may be damaged when operated
Solution Approach 1:
The patent applies beforehand cushioning by incorporating damping material or shock-absorbing elements in the mounting structure before the motor is installed and begins operation. This pre-configured cushioning protects the motor from vibrations and mechanical stresses that could cause damage during normal operation, thereby improving reliability without adding complex protective mechanisms.
3Object-affected harmful factors
If the haptic motor is isolated with an air gap, then vibration and noise transmission is minimized, but the motor may become less stable or require more complex mounting
Solution Approach 1:
The patent employs flexible mounting elements or thin film dampers that can accommodate the air gap required for vibration isolation while still providing stable mechanical support. These flexible components allow the motor to be isolated from vibrations and noise without requiring complex rigid mounting structures, thus reducing overall device complexity while achieving effective isolation.
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
The system effectively prevents mis-operation by transmitting a haptic signal to the driver, minimizing unnecessary vibration and noise transmission, and enhancing the durability of the haptic motor by creating an air gap, thus improving safety and reducing the risk of motor damage.
Implementation Method 1
minimize unnecessary transmission of vibration and noise from a haptic motor
Implementation Method 2
minimize unnecessary transmission of vibration and noise from a haptic motor
Implementation Method 3
a haptic motor fixed to the fixing bracket, the haptic motor being controlled to operate by the main PCB so as to generate a haptic signal when operating
Data Source
AI summary
An electronic shift control apparatus includes a shift dial that is operated by a driver to select an R-range, an N-range, and a D-range, a P-range motor that is operated to select a P-range, and a haptic motor that generates a haptic signal. When a driver shifts into a specific shift range of a vehicle by operating the shift dial or the P-range button, the haptic signal is configured to be transmitted to the driver.