Pool Heater Topple Sensing and Anti-Dry Heating Control
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Solution Overview
Problem
Existing pool heaters lack automatic shut-off mechanisms when toppled or when water levels are low, leading to potential safety hazards and inefficiencies.
Innovation Solution
A pool heater equipped with a topple sensor, anti-dry heating assembly, and temperature sensor that automatically stops heating when the heater is toppled, water level is low, or temperature exceeds a set threshold, using a magnetic sensor and float switch for detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a heater is equipped with simple heating functions only, then the device complexity is low, but the safety and reliability are insufficient due to lack of automatic shut-off mechanisms
Solution Approach 1:
The topple sensor is pre-positioned within the heater body, and the controller is pre-programmed with shut-off logic. When toppling occurs, the sensor immediately detects the change in orientation and triggers the controller to stop heating, preventing safety hazards before they can occur. This preliminary preparation of detection and response mechanisms ensures safety without requiring complex real-time processing.
Solution Approach 2:
The patent replaces complex mechanical safety valve systems with electronic sensing and control mechanisms. The topple sensor uses electronic orientation detection, and the controller uses electronic signaling to activate the solenoid valve for water supply control. This substitution of mechanical systems with electronic ones reduces overall device complexity while improving reliability and response speed.
2Reliability
If the heater continues heating after toppling, then the heating function is continuous, but safety hazards occur due to uncontrolled heating
Solution Approach 1:
The heater system performs self-monitoring through the topple sensor and self-regulation through the controller and solenoid valve. When toppling is detected, the system automatically shuts off the water supply and stops heating without requiring user intervention. This self-service capability ensures safety while maintaining ease of operation, as the system handles the shut-off process autonomously.
Solution Approach 2:
The topple sensor continuously monitors the heater's orientation and provides feedback to the controller. When the sensor detects a toppled state, it sends a signal to the controller, which then activates the solenoid valve to shut off water supply and stops the heating process. This feedback loop ensures automatic safety shut-off while maintaining simple operation for the user.
3Reliability
If the heater operates without water level monitoring, then the device complexity is low, but damage occurs due to dry heating
Solution Approach 1:
The water level sensor is pre-positioned to detect water levels before they reach critical low points. The controller is pre-programmed with logic to monitor sensor signals and activate the solenoid valve to shut off water supply when low water levels are detected, preventing dry heating damage before it occurs. This preliminary detection and response mechanism protects the heater while maintaining reasonable device complexity.
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
Ensures safe operation by preventing overheating or dry heating, maintaining consistent water temperature, and protecting the heater from corrosion.
Implementation Method 1
the sensor is a magnetic sensor and is arranged at the bottom of the chamber corresponding to the fixing member; when the fixing member does not topple over, the moving member contacts the bottom of the chamber of the fixing member, and the magnetic sensor receives a first magnetic field strength signal; when the fixing member topples over, the moving member is separated from the bottom of the chamber of the fixing member, and the magnetic sensor receives a second magnetic field strength signal
Implementation Method 2
the anti dry heating assembly is a float switch; when the water level is lower than a set threshold value, the float switch is turned off
Implementation Method 3
the heating assembly is arranged in the body for heating water flowing through the body
Implementation Method 4
the temperature sensor is used to detect the temperature in the body; when the temperature exceeds a set threshold value, the temperature sensor outputs a temperature limiting signal to the controller
Data Source
Figure 1
Figure 2~3
Figure 4
AI summary
A heater for a pool is provided. The heater comprises a topple sensor; a heating assembly; a body provided with a water inlet and a water outlet; and a controller for driving the heating assembly to heat or stop heating. The heating assembly is arranged in the body for heating water flowing through the body. The topple sensor comprises a moving member, a fixing member and a sensor, the fixing member being provided with a chamber for accommodating the moving member, and the chamber being provided with a taper, the sensor being used for sensing whether the relative position of the moving member and the fixing member changes. When the fixing member topples over, the moving member moves relative to the fixing member, and the sensor outputs a toppling signal to the controller, so that the controller drives the heating assembly to stop heating. A pool with heating function is also provided.