Door Control Holder With Hinged Plate for Maintenance Access
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Solution Overview
Problem
Existing control devices for door systems face challenges in balancing user accessibility for status information and operation with maintenance engineer access for system updates, while maintaining a cost-effective and simple design.
Innovation Solution
A control device combination with a holder featuring a frontal closing plate that can be opened or closed, equipped with a transparent screen for user access and push buttons, and a hinge mechanism allowing the plate to pivot and secure in various positions, enabling separate user and maintenance access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the control device is kept in a holder near the door system, then user accessibility for status information and operation is improved, but maintenance engineer access for system updates and parameter changes is restricted
Solution Approach 1:
The holder is segmented into a fixed housing and a movable frontal closing plate. The closing plate can be opened to provide full access to the control device for maintenance engineers, while remaining closed during normal operation to protect the touchscreen. This segmentation allows the same structure to serve both user interaction and maintenance access requirements.
Solution Approach 2:
The frontal closing plate is made dynamic through a hinge connection with a bar mechanism, allowing it to transition between closed and open positions. The bar with vertical and horizontal portions enables the plate to pivot and be secured in various positions, transforming a static protective cover into a dynamic access mechanism that adapts to different operational modes.
2Ease of repair
If the touchscreen is fully accessible, then maintenance engineer access for system updates is improved, but user interface security and protection from accidental input is reduced
Solution Approach 1:
The interface is segmented into two access modes: a protected mode where the closing plate is closed, allowing visual interaction through the transparent screen, and an unprotected mode where the plate is opened for maintenance. This segmentation ensures that normal user interaction occurs behind the protective barrier, preventing accidental input while maintaining usability.
Solution Approach 2:
The transparent screen acts as an intermediary between the user and the touchscreen. It allows visual access to display information and touch input during normal operation while physically protecting the touchscreen. For maintenance access, the entire closing plate is opened to provide direct access, eliminating the need for the intermediary during specialized operations.
3Ease of manufacture
If the holder design is simplified for cost-effectiveness, then manufacturing cost is reduced, but adaptability for different placement orientations is limited
Solution Approach 1:
The bar mechanism serves multiple functions: it acts as a hinge connection, provides structural support, enables pivoting motion, and includes clips with notches for positioning. This multi-functionality allows the same simple structural element to achieve both mechanical connection and orientation adaptability, maintaining cost-effectiveness while providing versatility for different placement scenarios.
Solution Approach 2:
The hinge connection with the bar allows the closing plate to dynamically adapt to different orientations. The vertical portion connects to the housing while horizontal portions connect to the closing plate, enabling the structure to accommodate various mounting positions without requiring complex adjustable mechanisms, thus maintaining simplicity while achieving adaptability.
4Reliability
If the frontal closing plate is made secure and sealed, then protection of the control device is improved, but ease of opening for maintenance access is reduced
Solution Approach 1:
The hinge connection with the bar mechanism provides a dynamic opening system that requires minimal force to initiate movement. The bar's geometric configuration creates mechanical advantage, allowing the closing plate to be easily pivoted open despite the sealed construction. Once opened, the plate can be secured in the open position using the clip and notch mechanism.
Solution Approach 2:
The bar acts as an intermediary mechanical element between the closing plate and the housing. It mediates the opening action by providing a pivot point and structural leverage, allowing the sealed plate to be opened easily without compromising the seal when closed. The bar's design decouples the sealing function from the opening mechanism.
Data Source
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AI summary
A combination of a control device (2) for a door system and a holder (1) for the control device, said control device (2) comprising a motherboard (4) with a CPU and memory, wherein the memory is loaded with a computer program embodying a control algorithm of the door system, and wherein the motherboard (4) is provided with a touchscreen (5) to enable a maintenance engineer access to the CPU and memory for maintenance and for changing operational parameters of the computer program loaded therein, wherein the holder (1) is provided with an openable and closable frontal closing plate (3) having a window (6) closed off with a transparent screen (7) that prevents haptic access to the touchscreen (5) yet enables visual access to the touchscreen (5) showing user information pertaining to the door system when the frontal closing plate (3) is closed, and wherein said frontal closing plate (3) is provided with one or more push buttons (8) enabling control of the door system.