Liquid constant temperature heating apparatus, infusion device and formula milk preparation device
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Solution Overview
Problem
Existing liquid heating systems for medical applications, such as intravenous infusion and formula milk preparation, face challenges in maintaining a consistent temperature, particularly in cold environments, leading to patient discomfort and inefficiencies in rapid temperature adjustments.
Innovation Solution
A liquid constant temperature heating apparatus comprising a heating chamber, temperature sensor, and controller, along with a buffer and flow restriction valve, utilizes a Proportional-Integral-Derivative controller with a neural network to maintain precise temperature control, preventing excessive temperature rises and ensuring consistent heating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual operation is used to prepare formula milk powder, then the process is simple, but it is difficult to rapidly and instantaneously prepare a great amount of milk powder with consistent temperature
Solution Approach 1:
The patent replaces manual mechanical operations with an automated heating apparatus that uses a temperature sensor and controller to automatically regulate heating, achieving both high-speed preparation and consistent temperature control without manual intervention
Solution Approach 2:
The patent implements a feedback control system where a temperature sensor continuously monitors the liquid temperature and sends signals to the controller, which adjusts the heating element accordingly to maintain precise temperature consistency during rapid preparation
2Speed
If heating power is increased to rapidly heat liquid, then heating speed improves, but temperature oscillations and excessive temperature rises occur
Solution Approach 1:
The patent uses periodic heating control where the heating element is activated and deactivated in cycles based on temperature feedback, allowing rapid heating when needed while preventing overheating and temperature oscillations through rhythmic on-off control
Solution Approach 2:
The patent incorporates a buffer mechanism that anticipates temperature changes and provides cushioning control before excessive temperature rises occur, smoothing out temperature fluctuations and preventing overshooting the target temperature
3Productivity
If liquid flows rapidly through the heating chamber, then processing speed increases, but temperature control precision decreases
Solution Approach 1:
The patent employs dynamic flow control that adjusts the liquid flow rate through the heating chamber based on real-time temperature feedback, optimizing the balance between processing speed and temperature control precision by varying flow conditions during different heating phases
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
The apparatus effectively maintains a consistent liquid temperature, preventing patient discomfort and ensuring efficient preparation of medical solutions, while reducing the risk of temperature oscillations and pollution.
Implementation Method 1
a heating portion, the heating portion having a heating chamber
Implementation Method 2
a temperature sensor, the temperature sensor being arranged on the liquid outlet pipe and in communication with the heating portion
Implementation Method 3
a controller, which is in signal connection with the temperature sensor by a signal and configured to control heating of the heating portion according to a measurement result of the temperature sensor
Data Source
AI summary
The present disclosure provides a liquid constant temperature heating apparatus, an infusion device and a formula milk preparation device. The liquid constant temperature heating apparatus includes: a heating portion, the heating portion having a heating chamber, and the heating chamber having a liquid inlet and a liquid outlet; a liquid inlet pipe, the liquid inlet pipe being connected with the liquid inlet of the heating portion; a liquid outlet pipe, the liquid outlet pipe being connected with the liquid outlet of the heating portion; a temperature sensor, the temperature sensor being arranged on the liquid outlet pipe and in communication with the heating portion; and a controller, which is in signal connection with the temperature sensor by a signal and configured to control heating of the heating portion according to a measurement result of the temperature sensor.