Rotational Push Switch with Visual State Indication
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Solution Overview
Problem
Conventional push switches are difficult to distinguish between ON and OFF states visually due to minimal height changes, making it inconvenient for users to recognize their operational states.
Innovation Solution
A rotational push switch design featuring a conductive elastic piece, switch assembly with rotatable ON/OFF symbols, and a cap with a display window, allowing users to easily identify the ON/OFF state by aligning symbols with the display window upon switching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional push switches are used, then the device structure is simple, but the ON/OFF state is difficult to recognize visually
Solution Approach 1:
The patent uses color-coded symbols (green for ON, red for OFF) on the rotatable push unit to provide clear visual indication of the switch state. This resolves the contradiction by maintaining structural simplicity while dramatically improving visual recognition through color differentiation.
Solution Approach 2:
The patent adds a rotational dimension to the push switch, allowing the push unit to rotate between different angular positions. This dimensional change enables visual indication of ON/OFF states through the orientation of symbols, solving the recognition problem without complicating the basic push-switch structure.
2Difficulty of detecting and measuring
If the switch portion height is changed to indicate ON/OFF state, then visual recognition is improved, but the height change is too slight to be easily recognized
Solution Approach 1:
Instead of relying on vertical height changes, the patent transitions to angular/rotational indication. The push unit rotates to different angles corresponding to ON and OFF states, with symbols oriented to indicate the current state. This dimensional shift from vertical to angular provides much more pronounced visual feedback.
Solution Approach 2:
The patent employs color-coded symbols (green for ON, red for OFF) that are visually distinct and easily recognizable. This color differentiation provides immediate visual recognition of the switch state without requiring precise detection of small height changes.
3Difficulty of detecting and measuring
If a rotational mechanism with symbols is added, then visual recognition of ON/OFF state is improved, but the device complexity increases
Solution Approach 1:
The patent combines the indication function with the switching function by integrating the rotatable push unit with symbols directly into the switch assembly. The same component that changes position to indicate state also performs the switching action, eliminating the need for separate indication mechanisms and reducing overall complexity.
Solution Approach 2:
The rotatable push unit serves multiple functions: it acts as the actuator for switching, provides mechanical indication through its position, and provides visual indication through the oriented symbols. This multi-functionality reduces the need for additional components, offsetting the complexity added by the rotational mechanism.
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 users to quickly and easily recognize the ON/OFF state of the switch through visible symbols, improving usability and practical application.
Implementation Method 1
Another end of the conductive elastic piece elastically contacts the second conductive terminal
Data Source
AI summary
A rotational push switch includes a bottom shell having a first and a second conductive terminals connected to a power supply, and a third conductive terminal connected to the conductive elastic piece. The conductive elastic piece is mounted in the bottom shell. A switch assembly is mounted on a top shell mounted on the bottom shell. The switch assembly is switched to connect or detach the conductive elastic piece and the second conductive terminal. A cap is mounted on the switch assembly. When the conductive elastic piece is connected to or departed from the second conductive terminal, ON/OFF symbols can be correspondingly seen in a display window of the cap, and a user can recognize an ON/OFF state of the rotational push switch.