Beverage Maker Flow Detection Logic for Faster Water Reheating
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Solution Overview
Problem
Current beverage makers with manual faucets experience delays in heating water due to reliance on temperature detection alone, leading to inefficiencies and increased re-heating times, and require adjustments to maintain effective operation, which increases manufacturing and maintenance costs.
Innovation Solution
A flow detection system that generates a signal when water is drawn, allowing the heater control logic to anticipate the need for reheating by using outlet and inlet flow detection devices, such as magnetic flow detection devices, connected to the heater control logic circuit to control water heaters based on both temperature and flow signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If temperature detection alone is used to control heating, then the control circuit is simple, but there is a delay in heating water when water is dispensed
Solution Approach 1:
The flow detection device detects water flow in advance and generates a flow detection signal that triggers the heater control logic to turn on the heaters before the temperature actually drops, eliminating the heating delay while keeping the control circuit relatively simple
2Loss of time
If an anticipator tube is used to spray cold water on the temperature measuring device, then heating can be anticipated, but the water outlet temperature is reduced
Solution Approach 1:
The flow detection device acts as an intermediary that detects water flow and triggers heating without directly interfering with the water temperature, avoiding the problem of cold water spraying reducing outlet temperature while still achieving heating anticipation
3Loss of time
If cold water is sprayed on the temperature measuring device, then heaters can be turned on earlier, but the temperature sensing capability is reduced
Solution Approach 1:
The flow detection device serves as an intermediary that provides heating anticipation through flow detection rather than temperature manipulation, preserving the temperature measuring device's accuracy while still enabling early heater activation
4Reliability
If the anticipator tube is adjusted to spray the right amount of cold water, then effective heating control is achieved, but manufacturing and maintenance costs increase
Solution Approach 1:
The mechanical anticipator tube system requiring factory adjustment is replaced with an electronic flow detection device that automatically detects water flow and triggers heating, achieving reliable heating control without complex mechanical adjustments and reducing manufacturing costs
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 approach reduces the delay in heating water by 15 to 25% and improves the overall performance of the water heating system, enhancing user value by ensuring efficient heating as needed.
Implementation Method 1
A flow detection device is operatively connected to the beverage maker for detecting flow in at least a portion of the beverage maker for generating a flow detection signal
Implementation Method 2
A temperature measuring device is mounted in the water tank for generating a temperature detection signal that is received by the heater control logic circuit
Implementation Method 3
one or more water heaters associated with the water tank for heating water in the water tank
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The water heating flow detection system for a beverage maker includes a heater control logic circuit (60) that controls heating in response to temperature and flow conditions in the beverage maker. A heater control logic circuit receives a temperature detection signal (58) and a flow detection signal (64), and generates a water heater control signal (66) for controlling.operation of one or more water heaters (68). A flow detection device (62) may be connected to the hot water outlet conduit (50) or the cold water inlet conduit (46), and may include a magnetic flow detection device. A faucet lever position detection device may also be used to indicate flow through a faucet outlet valve (52).