Dosing Device Valve Control for Precise Liquid Dispensing
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Solution Overview
Problem
The existing methods for filling containers with a precise quantity of liquid are time-consuming and labor-intensive, requiring close monitoring of the filling process.
Innovation Solution
A dosing device with a housing featuring a liquid inlet and outlet connected by a flow channel, equipped with a valve element and a measuring device, controlled by an operating unit that allows for precise adjustment and activation to dispense a predetermined amount of liquid efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual monitoring of the filling process is used to ensure precise liquid quantity, then measurement precision is improved, but productivity deteriorates due to time-consuming and labor-intensive operations
Solution Approach 1:
The dosing device automatically monitors and controls the filling process without requiring manual intervention. The measuring device continuously measures the liquid quantity and the control unit automatically stops filling when the target value is reached, making the system self-regulating and eliminating the need for operator monitoring.
Solution Approach 2:
The measuring device provides real-time feedback on the liquid quantity to the control unit, which then adjusts the valve element accordingly. This closed-loop feedback system ensures precise dosage while maintaining high filling speeds through automated control.
2Productivity
If automated dosing control is implemented to improve productivity, then productivity is improved, but device complexity worsens due to additional control components
Solution Approach 1:
The control unit integrates multiple functions including receiving target values, processing measuring device signals, controlling the valve element, and displaying information. By combining these functions into a single integrated control unit, the system achieves automated dosing without proportionally increasing overall device complexity.
3Ease of operation
If the housing is designed with a narrow grip area and widened head area for ergonomic handling, then ease of operation is improved, but volume of the housing increases
Solution Approach 1:
The housing features non-uniform cross-sectional area along its longitudinal axis, with a narrow grip area for comfortable handling and a widened head area for housing technical components. This local variation in geometry optimizes both ergonomics and component accommodation while minimizing overall volume.
Data Source
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AI summary
The invention relates to a metering device (1) for dispensing a predetermined quantity of liquid, in particular a predetermined quantity of water, comprising a housing (2) having a liquid inlet (20) and a liquid outlet (26) which are connected by means of a flow channel (24), a valve element (35) arranged in the flow path of the flow channel (24) which is adjustable between a closed position and at least one open position for blocking or releasing the flow path to the liquid outlet (26), a measuring device (34) by means of which the flow rate flowing through the flow channel (24) in the direction of the liquid outlet (26) can be measured, and a control device which has an operating unit (17) or is coupled to an operating unit (17) for signal transmission, wherein the metering device (1) can be actuated by means of the operating unit.According to the invention, the control device is further coupled to the valve element (35) and to the measuring device (34) in a control-technical manner, wherein the control device holds the valve element (35) in an open position or moves it into an open position when the metering device (1) is actuated.