Dispensing system with material level detector
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Solution Overview
Problem
Dispensing systems lack effective methods for monitoring fluid product levels and determining the remaining service interval, leading to inefficient inventory control and maintenance planning.
Innovation Solution
The integration of electronic sensors and a controller in dispensing systems to detect changes in fluid product levels, calculate average usage rates, and determine the remaining service interval based on real-time data, enabling timely refills and reducing waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual monitoring of fluid product levels is used, then device complexity is reduced, but inventory control efficiency and measurement precision deteriorate
Solution Approach 1:
The patent replaces manual visual inspection and mechanical level indicators with electronic sensors (capacitive, resistive, or inductive) that automatically detect fluid product levels. The controller processes sensor signals to determine remaining service intervals, eliminating the need for manual monitoring while providing precise, objective measurements of fluid levels and usage rates.
Solution Approach 2:
The dispensing system performs self-monitoring through integrated sensors that continuously track fluid product levels and dispensing usage. The controller automatically calculates remaining service intervals based on real-time data, enabling the system to manage its own inventory status without external intervention, thereby improving measurement precision while the automated nature justifies the added complexity.
2Reliability
If frequent fluid product replacement is performed, then reliability is improved by preventing downtime, but loss of substance increases due to waste
Solution Approach 1:
The sensor system detects fluid product levels and calculates usage rates in advance to predict when the reservoir will be depleted. The controller determines the remaining service interval and provides advance notification before the fluid is actually exhausted, allowing timely replacement that prevents downtime while avoiding premature replacement that would cause waste from partially used reservoirs.
Solution Approach 2:
The system continuously monitors dispensing usage and fluid level through sensors, feeding this data back to the controller which adjusts replacement timing predictions. This closed-loop feedback ensures replacements occur at the optimal moment based on actual consumption patterns rather than fixed schedules, maximizing reliability while minimizing waste from early or unnecessary replacements.
3Productivity
If manual inventory control is used, then ease of operation is maintained, but productivity and time efficiency deteriorate
Solution Approach 1:
The patent replaces manual inventory tracking with electronic sensors and a controller that automatically monitor fluid product levels and calculate usage rates. This substitution eliminates time-consuming manual checks and calculations, significantly improving inventory management productivity despite the added electronic complexity, as the system continuously gathers and processes data without human intervention.
Solution Approach 2:
The dispensing system autonomously tracks its own fluid inventory through integrated sensors that monitor levels and dispensing usage. The controller automatically calculates remaining service intervals and provides notifications, enabling the system to self-manage inventory status without requiring staff time for manual monitoring, thereby boosting productivity while the automated functionality offsets the complexity burden.
4Measurement precision
If multiple sensors are integrated, then measurement precision and reliability improve, but device complexity increases
Solution Approach 1:
The patent employs multiple sensors positioned at different locations within the reservoir to detect fluid levels at various thresholds. Each sensor provides discrete level information that the controller integrates to create a comprehensive view of remaining fluid volume and usage rate, improving measurement precision through distributed sensing while managing complexity through modular sensor placement and systematic data processing.
Data Source
AI summary
A dispensing system comprises a first electronic sensor and a controller. The first electronic sensor may be configured to detect a first change from a first amount of a fluid product in a dispensing system reservoir to a second amount of the fluid product in the dispensing system reservoir. The controller may be coupled to the first electronic sensor and configured to receive a first signal from the first electronic sensor indicative of the first change. The dispensing system reservoir may be disposed in the dispensing system. A method for determining a remaining service interval for a dispensing system reservoir is also provided.