Fluid heating heater
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Solution Overview
Problem
Conventional electric vehicles lack efficient heat sources for air conditioning systems, necessitating additional heat sources, and existing fluid heating heaters have suboptimal heat transfer efficiency and durability.
Innovation Solution
A fluid heating heater design featuring a partition wall with a heating plate, circuit board, busbar, and flow path with straight and curved sections, heat-radiating fins, and guide vanes to enhance heat transfer efficiency and durability, including a zigzag arrangement of heat-radiating fins and strategically placed guide vanes to improve airflow and reduce pressure drop.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional electric heaters are used in electric vehicles, then air conditioning systems can operate, but heat transfer efficiency is insufficient and durability is reduced
Solution Approach 1:
The heating element is divided into multiple heating sections with independent heating plates, allowing segmented heat distribution. The flow path is also segmented into multiple channels with straight and curved portions, improving heat transfer efficiency while distributing thermal load to enhance durability
Solution Approach 2:
Heat-radiating fins are added to increase the heat transfer surface area in the vertical dimension. The fins extend from the heating plates into the flow path, creating additional heat radiation surfaces that improve overall heat transfer efficiency without increasing the footprint of the heater
2Use of energy by moving object
If heat-radiating fins are added to improve heat transfer efficiency, then energy efficiency improves, but device complexity increases
Solution Approach 1:
The heat-radiating fins are integrated with the heating plates, forming a unified structure where the fins extend directly from the heating surfaces. This merging reduces the number of separate components and simplifies assembly while maintaining improved heat transfer efficiency
Solution Approach 2:
The flow path includes curved portions that smoothly guide fluid flow around the heating sections. The curved geometry reduces turbulence and pressure drop compared to sharp corners, improving heat transfer efficiency without requiring additional complex flow control components
3Use of energy by moving object
If straight and curved flow paths are designed to improve heat transfer, then heat transfer efficiency improves, but manufacturing precision requirements increase
Solution Approach 1:
The flow path is divided into discrete straight and curved sections that can be manufactured as separate modules and then assembled. This segmentation allows each section to be manufactured with standard tolerances using conventional processes, reducing overall manufacturing precision requirements while maintaining effective heat transfer through proper section configuration
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 design minimizes deformation, reduces the risk of cooling water leakage, improves heat transfer efficiency, and extends the durability of the heating element by effectively transferring heat energy to cooling water, thereby enhancing overall performance.
Implementation Method 1
fluid heating heaters (or cooling water heaters) which indirectly heat air by heating cooling water which exchanges heat with the air
Implementation Method 2
a plurality of heat-radiating fins are disposed on at least one side of the partition wall part and the heating plate which form the flow path
Data Source
AI summary
The present invention is characterized by comprising: a main body provided with a plate-shaped partition wall part; a circuit board located on one surface of the partition wall part; a heat-generating plate positioned so as to face the other surface of the partition wall part; a bus bar electrically connecting the heat-generating plate and the circuit board; and a flow path located between the partition wall part and the heat-generating plate. The flow path includes a plurality of straight flow paths and a plurality of curved flow paths, and a plurality of heat-dissipating fins are arranged on at least one among the partition wall part and the heat-generating plate that form the flow path.