Elastically Deformable Lift Switch Arrangement
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Solution Overview
Problem
Conventional switch arrangements for lifts are not space-efficient and user-friendly, limiting design possibilities and accessibility, especially in compact lift environments.
Innovation Solution
A switch arrangement featuring elastically deformable plate elements with recognition elements and expansion measurement strips, integrated into a handrail, allowing for thin, user-friendly, and space-saving installation with electrical connection to the lift's control device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If conventional switch arrangements are used in lifts, then the switching function is provided, but the space requirement is large and installation flexibility is limited
Solution Approach 1:
The patent employs thin film heating elements and flexible display structures to create a compact switch arrangement that can be integrated into limited lift spaces. The thin film technology allows the switch to maintain functionality while significantly reducing its physical footprint and enabling flexible installation locations.
Solution Approach 2:
The patent combines multiple functions (heating, display, switching) into a single integrated switch arrangement. The display device and heating element are merged with the switch mechanism, eliminating the need for separate components and reducing overall space requirements while maintaining installation versatility.
2Length of stationary object
If the switch arrangement is made thinner for space-saving, then space efficiency improves, but structural robustness may be compromised
Solution Approach 1:
The patent utilizes composite material structures combining thin film heating elements with supportive substrates and integrated display layers. This composite construction maintains structural integrity and robustness while achieving the desired thin profile for space-efficient installation in lift environments.
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 the installation of thinner, more user-friendly switch arrangements that can be integrated into lift handrails or walls, providing optimal accessibility and functionality, including operation by individuals with disabilities or wearing gloves, with enhanced durability and ease of maintenance.
Implementation Method 1
an actuating force causes an elastic deformation of an overlay layer and of the display device arranged adjacent to it
Implementation Method 2
a recognition element beneath this plate element and assigned to the at least one pushbutton for detecting the bending in the button
Data Source
AI summary
A switch arrangement for a lift, preferably a personnel lift or goods lift, including marked pushbuttons and an electrical conductor connection to a control device of the lift. The switch arrangement is provided with at least one elastically deformable plate element with the pushbuttons with the marking on the upper side of the button. A recognition element for the bending in the button is arranged beneath this plate element of the at least one pushbutton. In addition, an electrical conductor connection is provided from the recognition elements to the control device. As a result, it is possible for thinner and more user-friendly switch arrangements to be installed in or outside a lift, in particular for controlling it, or for general functions.