Multi-Wire Ceiling Lifter for Balanced Height Adjustment
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Solution Overview
Problem
Existing elevator-type lifters require manual labor to install products on ceilings, are limited by floor levelness, and have height restrictions, necessitating additional time and cost.
Innovation Solution
A lifter design featuring a frame, motor part, drum with winding parts, and wires detachably fixed to the ceiling, utilizing vertical and horizontal pulleys to maintain balance and adjust height without manual labor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If a traditional pump system is used to deliver lubricant, then the pump can be compact, but the pump requires frequent manual intervention and cannot continuously monitor or adjust lubricant delivery based on sensor feedback
Solution Approach 1:
The pump system performs self-monitoring and self-adjustment through integrated sensors that detect lubricant flow status and pump chamber conditions, automatically triggering pump activation or deactivation without external intervention. The system serves itself by using sensor feedback to control pump operation, eliminating the need for manual monitoring while maintaining compact dimensions.
Solution Approach 2:
The pump chamber serves multiple functions: it acts as both the lubricant delivery mechanism and the sensor housing location. The sensor is positioned within the pump chamber to directly monitor lubricant flow and pump operation, combining monitoring and actuation functions into a single integrated unit rather than requiring separate components.
2Volume of moving object
If the pump chamber is made compact, then the overall device size is reduced, but the pump chamber may not have sufficient space for proper sensor positioning and lubricant flow paths
Solution Approach 1:
The pump chamber is designed with non-uniform internal geometry where specific regions are optimized for sensor positioning and lubricant flow. The chamber includes a dedicated sensor reception area with appropriate spacing from the pump piston, ensuring reliable sensor monitoring while maintaining overall compact dimensions. The chamber geometry is tailored to ensure proper lubricant flow paths around the sensor.
Solution Approach 2:
The sensor is positioned in a specific spatial dimension within the pump chamber, utilizing the third dimension (depth) to create adequate sensing distance from the pump piston while maintaining compact overall volume. The sensor is arranged to monitor lubricant flow through the pump chamber wall, allowing reliable detection without requiring excessive chamber volume.
3Reliability
If the pump is activated continuously, then lubricant delivery is ensured, but energy is wasted when the motor is running but no lubricant is being delivered
Solution Approach 1:
The system incorporates feedback control where sensors continuously monitor lubricant flow status and pump chamber conditions, and this information is fed back to control the pump activation. The pump is activated only when sensors detect that lubricant delivery is needed, and deactivated when flow is sufficient, preventing energy waste from continuous operation while ensuring reliable lubricant delivery when required.
Data Source
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AI summary
A lifter is disclosed. The disclosed lifter comprises: a frame; a motor part coupled to the frame; a drum rotatably coupled to the motor part and including a plurality of winding parts formed at regular intervals along the rotary shaft direction; and a plurality of wires coupled to be wound on the plurality of winding parts, respectively. Ends of the plurality of wires at one side thereof may be connected to the plurality of winding parts, respectively, and other ends of the plurality of wires may be detachably fixed to a ceiling.