Swimming Pool Water Supply with Dual Three-Way Valves
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Solution Overview
Problem
Conventional swimming pool arrangements face issues with inadequate water heating due to pumps being either too powerful or too weak, leading to inefficient heating or safety device activation.
Innovation Solution
A water supply system utilizing two three-way valves to regulate water flow, allowing for fine-tuned heating levels by bypassing the heating device partially or fully, ensuring consistent water temperature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the water pump is made more powerful to increase water flow, then water circulation speed is improved, but water heating efficiency deteriorates because water passes through the heating device too quickly
Solution Approach 1:
The water flow from the swimming pool is divided into multiple separate streams using分流 valves. Each stream can be independently directed through the heating device or bypassed, allowing the system to handle high flow rates while ensuring sufficient heating time for the portion of water that passes through the heater.
Solution Approach 2:
Not all water needs to pass through the heating device at full capacity. The system uses partial action by heating only a portion of the total water flow while bypassing the rest, which allows the pump to operate at high speed while the heated portion receives adequate heating attention.
2Temperature
If the water pump is made weaker to improve water heating, then water heating efficiency is improved, but system reliability deteriorates because the pump may be turned off by the water stream safety device
Solution Approach 1:
By segmenting the water flow into multiple streams and heating only a portion, the system can maintain a lower flow rate through the heating device (improving heating efficiency) while the overall pump operates at normal capacity (maintaining reliability and avoiding safety device activation).
Solution Approach 2:
The system changes the flow rate parameter through the heating device by using valves to control the proportion of water being heated. This allows the pump to maintain sufficient overall flow rate for reliability while the heated portion has optimized flow rate for heating efficiency.
3Device complexity
If a single water pump is used to simplify the system, then device complexity is reduced, but heating control precision deteriorates because the pump cannot provide fine-tuned heating levels
Solution Approach 1:
The system uses dynamic valve control to adjust the proportion of water flowing through the heating device versus bypassing it. This dynamic adjustment capability provides fine-tuned heating control (25%, 50%, 75%, 100%) while maintaining a relatively simple overall system structure with a single pump.
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 system ensures proper water heating at desired temperatures by allowing for maximum, medium, or minimum heating levels, preventing safety device activation and optimizing energy use.
Implementation Method 1
a heating device for heating water from the swimming pool
Data Source
Figure 1(A)~1(D)
Figure 2A~2C
Figure 3
AI summary
A swimming pool arrangement (1) comprising a swimming pool (2), a heating device (3) for heating water from the swimming pool, as well as a water supply system (4) for supplying water from said swimming pool to said heating device and from said heating device to said swimming pool, with the special feature that said water supply system comprises a three-way valve of a first type (5) and a three-way valve of a second type (6), wherein - said three-way valve of the first type is arranged to regulate the water supply from said swimming pool towards said heating device, and wherein said three-way valve of the first type is arranged to (iv) shutting off the water supply towards said heating device and opening the water supply towards said three-way valve of the second type, in a first position of said three-way valve of the first type; (v) opening the water supply towards said heating device and shutting off the water supply towards said three-way valve of the second type, in a second position of said three-way valve of the first type; (vi) opening the water supply towards said heating device and opening the water supply towards said three-way valve of the second type, in a third position of said three-way valve of the first type; - said three-way valve of the second type is arranged to regulate the water supply from said three-way valve of the first type and/or said heating device towards said swimming pool, and wherein said three-way valve of the second type is arranged to (iv) shutting off the water supply from said heating device and opening the water supply from said three-way valve of the first type, in a first position of said three-way valve of the second type; (v) opening the water supply from said heating device and shutting off the water supply from said three-way valve of the first type, in a second position of said three-way valve of the second type; (vi) opening the water supply from said heating device and opening the water supply from said three-way valve (5) of the first type, in a third position of said three-way valve of the second type.