Dispensing Control Module with Flow Meter and Pneumatic Pump
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Solution Overview
Problem
Existing dispensing systems struggle to dynamically adjust pump pressure and flow rate based on line conditions, leading to inefficient carbonation and pressure management, especially when dealing with carbonated beverages and varying environmental temperatures.
Innovation Solution
A dispensing system control module that incorporates a pneumatic diaphragm pump with a pressure control valve and a flow meter, allowing for real-time adjustment of pump output and pressure based on flow rate and temperature measurements, ensuring optimal CO2 saturation pressure and flow management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the pressure on the reservoir is increased to pump the beverage easily over long distances or to higher locations, then the beverage can be conveyed reliably, but the beverage becomes carbonated in the reservoir
Solution Approach 1:
The system divides the pressure control into segments: a first pressure level for reservoir filling and a second, lower pressure level for dispensing. The pump operates at the first pressure to fill the reservoir without excessive carbonation, then switches to the second pressure level during dispensing to maintain flow while reducing CO2 saturation pressure.
Solution Approach 2:
The system dynamically adjusts the pressure level based on the operational phase. The control unit switches between first and second pressure levels depending on whether the reservoir is being filled or the beverage is being dispensed, optimizing pressure for each phase rather than maintaining a constant high pressure.
2Object-generated harmful factors
If a pump is used to promote the drink from the reservoir to the tap, then the carbon dioxide pressure on the container can be reduced, but the pump pressure must be dynamically adjusted based on flow conditions
Solution Approach 1:
The system uses a flow meter to measure the actual flow rate of the beverage and feeds this information back to the control unit. The control unit then adjusts the pump pressure based on this feedback, reducing pressure when flow is sufficient and increasing it when flow is low, thereby optimizing CO2 pressure management.
Solution Approach 2:
The system changes the pressure parameter dynamically based on flow conditions. The control unit adjusts the pump pressure between different levels (first and second pressure levels) depending on the measured flow rate, optimizing the balance between maintaining flow and reducing CO2 saturation pressure.
3Ease of operation
If the pressure in the line is kept constant to simplify control, then the system is easier to operate, but the flow rate cannot be optimized for varying line conditions and temperatures
Solution Approach 1:
The system transitions from static constant pressure control to dynamic pressure adjustment. The control unit continuously monitors flow rate and temperature, and adjusts the pump pressure in real-time to optimize flow rate for varying line conditions and temperatures while maintaining ease of operation through automated control.
Solution Approach 2:
The system dynamically changes the pressure parameter based on measured flow rate and temperature conditions. The control unit adjusts pump pressure to optimize flow rate performance under different operating conditions, transforming the system from a fixed-pressure design to an adaptive pressure control system.
4Speed
If the pump output is increased to maintain flow rate with higher line resistance, then the flow rate is maintained, but the power consumption increases
Solution Approach 1:
The system optimizes the pressure parameter dynamically rather than maintaining a constant high pressure. The control unit adjusts pump pressure based on actual flow rate and line conditions, reducing pressure when line resistance is low and increasing it only when necessary to maintain flow, thereby optimizing power consumption.
Solution Approach 2:
The pump operates dynamically with varying pressure levels rather than constant high pressure. The control unit continuously adjusts pressure to match actual flow demands and line conditions, reducing energy consumption during low-resistance periods while maintaining flow rate when line resistance increases.
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 solution enables precise control of pump performance and gas pressure, reducing carbonation issues and ensuring consistent flow, even with varying line conditions and temperatures, thereby optimizing beverage dispensing and minimizing CO2 release.
Implementation Method 1
the flow rate per unit of time is determined by controlling and preferably by regulating the output of the pump
Implementation Method 2
A pneumatic diaphragm pump has proven itself as a pump, which is connected to a constant pneumatic pressure, and thus maintains a certain pressure in the line between the pump and the tap
Implementation Method 3
the pump pressure by means of a pressure control valve
Implementation Method 4
the pressure and the flow can be optimally adjusted to the CO 2 saturation pressure
Data Source
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AI summary
A dispensing system control module comprises a pump and a line to which a flow meter is attached. The flow meter acts as a measuring device, and the pump acts as an actuator, both connected to a control unit. This allows the pump to be controlled based on the flow rate measured in the line.