Photoelectric Switch Dot Matrix Display Orientation
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Solution Overview
Problem
Conventional photoelectric switches with seven-segment displays are insufficient in providing user-friendly information due to the depth perception of the display surface, making it difficult for users to easily read the displayed information.
Innovation Solution
A photoelectric switch design featuring a dot matrix display attached to the outer surface of the housing, with a cover member and signal cable configuration that positions the display closer to the edge, allowing for easier visibility and protection, while maintaining a compact form factor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a dot matrix display is disposed on the inside of the housing, then the display can be integrated into the photoelectric switch, but the distance from the outer edge of the housing to the display surface increases, making the display harder to see
Solution Approach 1:
The display surface is rotated from a parallel orientation to the housing front face to a perpendicular orientation, extending outward in a new dimensional direction. This allows the display to be integrated within the housing volume while presenting information at an optimal viewing distance from the housing outer edge, resolving the contradiction between integration and visibility.
2Device complexity
If the display surface is positioned deeper inside the housing, then the housing structure is simplified, but the display information becomes less easy to read for the user
Solution Approach 1:
By orienting the display surface perpendicular to the housing front face and extending outward, the solution creates an optimal viewing distance without requiring the display to be positioned deep inside the housing. This dimensional repositioning maintains simple housing structure while ensuring display readability.
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 solution enhances user visibility of the display information by reducing the perceived depth of the display surface, making it easier for users to read and interact with the dot matrix display, while maintaining the compactness and functionality of the photoelectric switch.
Implementation Method 1
the photoelectric switch projects light toward the work or the like, receives reflected light from the work
Data Source
AI summary
To make a display in a photoelectric switch easy to see for a user. A photoelectric switch includes a housing having a substantially rectangular parallelepiped shape. A display is attached to a first surface of the outer surface of the housing. A control board is housed on the inside of the housing. A controller is mounted on the control board. The first surface includes a hole-like or cutout-like opening section for allowing a signal cable to pass from the outside to the inside of the housing. The signal cable electrically connects the control board disposed on the inside of the housing and the display disposed on the outside of the housing. A cover member includes a window section for exposing a display region of the display and covers a non-display region of the display. The cover member is provided outside the housing.