Float Liquid Level Meter Indicator Asymmetrical Slats
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Solution Overview
Problem
The existing float liquid level meter indicators face difficulties in attaching rotatable slats to supporting metal fixtures, leading to cumbersome mounting processes and inaccurate measurements, especially during sudden liquid level changes and small displacement detection.
Innovation Solution
The design includes asymmetrical rotatable slats with cutout shapes and elongated holes on supporting metal fixtures, allowing for easier attachment and limiting rotation range to prevent slat misalignment, along with a housing and lid configuration to secure the assembly and enhance visual observation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If rotatable slats are attached to supporting metal fixtures using through holes, then the slats can rotate freely, but the mounting process becomes cumbersome and the slats may fall off during insertion
Solution Approach 1:
The rotatable slat is designed with asymmetrical features: a cutout on one end and an elongated hole on the other end. The cutout fits over a protrusion on the supporting metal fixture, preventing the slat from falling off in the insertion direction, while the elongated hole allows rotation. This asymmetrical design resolves the contradiction by enabling free rotation while preventing detachment during mounting.
2Adaptability or versatility
If rotatable slats are allowed to rotate freely, then they can track liquid level changes, but they may become misaligned during sudden liquid level changes
Solution Approach 1:
The asymmetrical design with cutouts and elongated holes预先 (in advance) prevents excessive rotation by mechanically limiting the rotation range. The cutout fits over a protrusion that acts as a stop, preventing the slat from rotating too far during sudden liquid level changes, thus maintaining alignment precision while still allowing adequate tracking range.
3Measurement precision
If multiple rotatable slats are installed manually, then each can be positioned individually, but the mounting time and labor increase significantly
Solution Approach 1:
The supporting metal fixture is pre-designed with protrusions and the rotatable slats are pre-formed with cutouts and elongated holes that match these protrusions. This preliminary design of complementary shapes allows for quick and easy assembly without requiring complex manual positioning procedures, reducing mounting time while maintaining individual positioning capability.
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
This configuration simplifies the attachment of rotatable slats, improves measurement accuracy by preventing slat misalignment during sudden liquid level changes and allows for precise detection of small displacements.
Implementation Method 1
each having a permanent magnet and rotation shafts to be rotatable in response to a float magnet position inside a float liquid level meter
Data Source
AI summary
The float liquid level meter indicator includes rotatable slats; a supporting metal fixture not obstructing rotation of the rotatable slats, the supporting metal fixture having an opening for observing a state of the rotatable slats and rotation shaft supporting hole pairs for supporting the rotation shafts provided on left and right of the rotatable slats, the hole pairs being disposed at equal intervals in an up-down direction, at least one side of the rotation shaft supporting hole pairs being of a cutout shape or an elongated hole shape in a front-rear direction; a housing for attaching to the float-liquid level meter, having a groove which prevents the rotatable slats inserted in the up-down direction and the supporting metal fixture from falling off in a front-rear direction, and having an opening for observing the state of the rotatable slats; and a lid for avoiding the supporting metal fixture from falling out from the housing.