System for tracking and displaying the position of a motor vehicle and of a control method for dispensing a hot fluid and device for dispensing a hot fluid
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Solution Overview
Problem
Existing dispensing machines for hot fluids struggle to maintain a consistent outlet temperature due to variations in fluid flow, mains voltage, and incoming fluid temperature, leading to inefficient energy use and potential damage to capsules and devices.
Innovation Solution
A control method that continuously measures real-time operational parameters such as supply voltage, incoming fluid temperature, and fluid flow, and adjusts the heat supplied by the boiler or heat exchanger and the fluid flow rate in real time to maintain a constant outlet temperature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a probe for measuring fluid outlet temperature is used in prior art systems, then temperature measurement is achieved, but the response is delayed and cannot immediately detect sudden temperature variations
Solution Approach 1:
The system performs preliminary actions by continuously monitoring external parameters (voltage, flow rate, inlet temperature) that influence outlet temperature before actual temperature changes occur. This allows the control system to anticipate and compensate for temperature variations proactively, rather than reactively waiting for the probe to detect them.
Solution Approach 2:
The system implements feedback by continuously measuring external parameters that affect outlet temperature and using this information to adjust heating power and flow rate in real-time. This closed-loop control compensates for temperature variations without relying solely on delayed probe measurements.
2Stability of the object's composition
If thermal inertia is increased to prevent sudden temperature variations, then temperature stability is improved, but the system becomes less responsive to changes in operating conditions
Solution Approach 1:
The control system performs preliminary adjustments by continuously monitoring external parameters and proactively modifying heating power and flow rate before temperature deviations occur. This eliminates the need for thermal inertia as a passive stabilization mechanism while maintaining temperature stability.
Solution Approach 2:
The system dynamically adjusts operating parameters (heating power, flow rate) in real-time based on continuously monitored external conditions. This dynamic control allows the system to respond quickly to changes while maintaining temperature stability, replacing the static approach of relying on thermal inertia.
3Manufacturing precision
If real-time monitoring and adjustment of multiple parameters is implemented, then temperature control precision is improved, but device complexity increases
Solution Approach 1:
The control system is designed to perform multiple functions: monitoring voltage, flow rate, and inlet temperature; calculating required heating power; adjusting pump speed; and controlling heating elements. This multi-functional approach achieves precise temperature control without proportionally increasing system complexity.
Solution Approach 2:
The system autonomously monitors external parameters, calculates the required adjustments, and executes control actions without external intervention. This self-service capability simplifies operation while maintaining high precision temperature control through continuous real-time adjustment.
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 ensures precise control of the dispensing device, maintaining consistent outlet temperatures, reducing energy consumption, and preventing damage from limescale formation and thermal fluctuations.
Implementation Method 1
the heat supplied by the boiler or heat exchanger of the dispensing device
Data Source
AI summary
Described is a control method for dispensing a hot fluid in a fluid dispensing device, which comprises a power supply source; a source of fluid to be heated; a feed unit configured for picking up the fluid to be heated; a boiler or heat exchanger; a dispensing device configured for dispensing the hot fluid and a data control and processing system which actuates the following steps: a measurement of inlet parameters comprising at least an inlet power value and an inlet temperature of the fluid towards the boiler or heat exchanger; a cyclical calculation of a quantity of heat generated which must supply the boiler or heat exchanger and/or a quantity of fluid dispensed; consequent adjustment of the value of heat generated by the boiler or heat exchanger and/or the quantity of fluid dispensed, as a function of the measurements of the inlet parameters and of a wanted or desired value of outlet temperature of the fluid; the above-mentioned measurement, cyclical calculation and adjustment steps are performed simultaneously and in real time during a step of dispensing fluid by the dispensing device.