Door Glass Welcome Screen Power Control via Slanted Contact
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Solution Overview
Problem
Existing door glass welcome systems for vehicles do not effectively control power supply to display screens based on the position of the door glass, limiting their ability to enhance user convenience and vehicle salability by not efficiently turning the welcome screen on or off when the door glass is raised or lowered.
Innovation Solution
A door glass welcome system that includes a power connection blocking portion with a fixing member, contact member, and power supply portion, where the fixing member protrudes from the door glass and contacts the contact member when the door glass is raised, allowing power to be supplied to the screen, and blocking power when the door glass is lowered, using a slanted surface design and elastic member to facilitate smooth power control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the welcome screen is always powered on, then user convenience is improved, but energy consumption increases
Solution Approach 1:
The power connection blocking portion dynamically adjusts the power supply state based on the door glass position. When the door glass is lowered, the blocking portion blocks power to the screen; when raised, power is supplied. This dynamic control resolves the contradiction by making the system adaptive to usage conditions.
Solution Approach 2:
The system automatically controls power supply based on door glass position detection, eliminating the need for manual user intervention. The blocking portion self-adjusts power delivery according to the physical state of the door glass, providing convenient automatic operation while reducing unnecessary energy consumption.
2Use of energy by moving object
If the welcome screen is displayed only when door glass is raised, then energy consumption is reduced, but user convenience deteriorates
Solution Approach 1:
The system dynamically links screen power supply to door glass position, ensuring the screen is active only when physically accessible (door glass raised). This resolves the contradiction by making energy savings conditional on actual usability, maintaining convenience when needed while saving energy when the screen cannot be viewed.
3Reliability
If a fixed power connection is used for the screen, then power supply reliability is improved, but the ability to control power based on door glass position deteriorates
Solution Approach 1:
The power connection is segmented into multiple components: a fixing member attached to the door glass, a contact member on the vehicle body, and a blocking portion. This segmentation allows the system to maintain reliable electrical connection when needed while enabling controlled disconnection based on door glass position, resolving the contradiction between reliability and flexibility.
Solution Approach 2:
The power connection blocking portion acts as an intermediary between the fixed power source and the screen. It mediates power delivery by blocking or permitting current flow based on door glass position, thereby providing adaptability without compromising the underlying power supply infrastructure.
4Adaptability or versatility
If the power connection blocking portion is added, then power control flexibility is improved, but device complexity increases
Solution Approach 1:
The power connection blocking portion is merged with the existing door glass moving mechanism. The blocking portion utilizes the natural movement of the door glass to activate or deactivate power, combining two functions (door glass movement and power control) into a single integrated system, thereby reducing overall complexity.
Solution Approach 2:
The door glass moving mechanism serves dual purposes: its primary function of raising/lowering the glass and a secondary function of controlling power supply to the screen through the blocking portion. This multi-functionality reduces the need for separate dedicated components, thereby limiting the increase in device complexity.
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
Enables effective turning on and off of the welcome screen by controlling power supply based on the door glass position, enhancing user convenience and vehicle salability by ensuring the screen is only active when the door glass is raised and inactive when lowered.
Implementation Method 1
an elastic member that is disposed inside the housing and elastically supports the insertion member in a direction of the fixing member
Data Source
AI summary
A door glass welcome system includes a door glass configured to be installed at a door of a vehicle, a glass moving portion disposed to move the door glass, a screen configured to display an image on the door glass, and a power connection blocking portion configured to supply or block power to the screen. The power connection blocking portion may include a fixing member that is disposed to move together with the door glass and that is electrically connected to the screen, a contact member that is fixed to a vehicle body to selectively contact the fixing member according to a moving position of the fixing member, and a power supply portion that supplies power to the contact member and supplies power to the screen through the fixing member.