Heater and heating pool
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Solution Overview
Problem
Existing massage pool heaters using PTC heaters pose safety hazards due to the risk of electrical leakage during water heating, which is not adequately addressed by current insulation methods.
Innovation Solution
A heater design featuring a heating core with insulating housings forming separate heat insulating chambers, an insulating layer covering the heating core, and strategically placed pressing members and slopes to enhance insulation and prevent electrical leakage, ensuring safe operation when heating fluids like water.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a PTC heater is used for heating water in a massage pool, then heating function is achieved, but electrical leakage safety hazard occurs
Solution Approach 1:
The heater is divided into two separate insulating housings (first and second insulating housings) that form independent heat insulating chambers. This segmentation isolates the heating core from water on both sides, preventing electrical leakage while maintaining heating function. The first insulating housing wraps around the first side of the heating core, and the second insulating housing wraps around the second side, creating comprehensive isolation.
Solution Approach 2:
Heat insulating chambers filled with heat insulating fluid serve as intermediaries between the heating core and water. These chambers allow thermal energy to pass through while preventing direct contact between electrical components and water. The heat insulating fluid acts as a mediator that transfers heat efficiently while maintaining electrical isolation.
2Reliability
If insulating housings are added to prevent electrical leakage, then safety is improved, but device complexity increases
Solution Approach 1:
The insulating housings are designed to wrap around the heating core in a nested configuration. The first insulating housing encompasses the first side of the heating core, and the second insulating housing encompasses the second side, creating a compact nested structure. This nesting approach minimizes space occupation while providing comprehensive insulation coverage.
Solution Approach 2:
The insulating housings serve multiple functions simultaneously: they provide electrical insulation, contain heat insulating fluid for thermal transfer, and structurally support the heating core. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in device complexity.
3Reliability
If heat insulating chambers are formed with insulating housings, then electrical insulation is improved, but heat transfer efficiency may deteriorate
Solution Approach 1:
Heat insulating fluid is introduced as an intermediary substance within the insulating chambers. This fluid serves dual purposes: it maintains electrical insulation between the heating core and water, while simultaneously enabling efficient heat transfer through convection and conduction. The fluid mediates between the conflicting requirements of insulation and heat transfer.
Solution Approach 2:
The thermal parameters of the insulating chamber are optimized by selecting appropriate heat insulating fluids with high thermal conductivity and suitable heat capacity. By changing the physical parameters of the insulating medium, the system achieves both good electrical insulation and efficient heat transfer, resolving the contradiction between these two requirements.
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 improved insulation performance effectively prevents electrical leakage, enhancing the safety and efficiency of the heater while maintaining high heat utilization rates.
Implementation Method 1
The first insulating housing has an opening in a side facing the first surface, and the first surface serves as a bottom of the first heat insulating chamber, so that a fluid flowing into the first heat insulating chamber is capable of contacting the insulating layer on the first surface
Implementation Method 2
as water flows in the first heat insulating chamber and the second heat insulating chamber and thus is heated
Implementation Method 3
as water flows in the first heat insulating chamber and the second heat insulating chamber and thus is heated
Data Source
AI summary
Provided herein is a heater and a heating pool. The heater comprises a heating core that includes a first surface and a second surface arranged on the opposite side of the heating core. A first insulating housing is placed on the first surface and forms a first heat insulating chamber together with the first surface. The second insulating housing is placed on the second surface and forms a second heat insulating chamber together with the second surface, wherein the first heat insulating chamber and the second heat insulating chamber communicate with each other. The heater of the utility model has good insulation performance and can prevent the occurrence of electrical leakage, so that the safety performance of the heater is improved.