Insulating Heat Conduction Path for Power Distribution Components
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Solution Overview
Problem
Electrical components in power distribution apparatuses generate excessive heat, leading to thermal failure and a risk of high-voltage short-circuit arcing.
Innovation Solution
Incorporation of an insulating heat conduction member connected to both the electrical component and a heat exchange member with thermal insulation, facilitating heat transfer while maintaining electrical isolation, thereby enhancing heat dissipation and reducing thermal failure risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If an electrical component is disposed inside the power distribution apparatus, then the power distribution function is achieved, but the electrical component generates a large amount of heat leading to thermal failure
Solution Approach 1:
The patent extracts the heat dissipation function from the electrical component itself and implements it through a separate heat exchange member coupled via an insulating heat conduction member. This allows the electrical component to focus on power distribution while the dedicated heat exchange system handles thermal management, effectively separating the power generation and heat dissipation functions.
Solution Approach 2:
The insulating heat conduction member serves as an intermediary between the electrical component and the heat exchange member. It enables thermal energy transfer from the electrical component to the heat exchange member while maintaining electrical insulation, thus mediating the heat transfer process without creating electrical short circuits.
2Temperature
If the electrical component is directly connected to the heat exchange member, then heat dissipation is improved, but the risk of high-voltage short-circuit arcing increases
Solution Approach 1:
The insulating heat conduction member acts as a mediator that enables thermal coupling between the electrical component and heat exchange member while maintaining electrical isolation. This intermediary structure allows heat to flow through thermal conduction paths while blocking electrical current paths, thus achieving both efficient heat dissipation and electrical safety.
Solution Approach 2:
The insulating heat conduction member is made of composite materials that possess both thermal conductivity and electrical insulation properties. These composite materials enable the structure to conduct heat effectively while maintaining electrical isolation, resolving the contradiction between heat dissipation efficiency and short-circuit prevention.
3Reliability
If thermal insulation is implemented between the electrical component and heat exchange member, then short-circuit risk is reduced, but heat dissipation efficiency deteriorates
Solution Approach 1:
The insulating heat conduction member exhibits local quality differentiation where different regions or aspects of the material possess different properties. The material is designed to have high thermal conductivity in the heat transfer direction while maintaining electrical insulation properties, allowing simultaneous achievement of both heat conduction efficiency and electrical insulation.
Solution Approach 2:
Composite materials with specific thermal and electrical property combinations are used to create the insulating heat conduction member. These materials enable selective conduction of thermal energy while blocking electrical current, thus resolving the contradiction between heat conduction and electrical insulation 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 solution effectively dissipates heat generated by electrical components, reducing the risk of thermal failure and prolonging the service life of the components and the apparatus by ensuring efficient heat conduction and insulation.
Implementation Method 1
the insulating heat conduction member is configured to transfer heat from the electrical component to the heat exchange member
Implementation Method 2
one side of the insulating heat conduction member is connected to at least a part of the electrical component, the other side of the insulating heat conduction member is configured to be connected to a heat exchange member
Data Source
AI summary
A power distribution apparatus, a battery, and a power-consuming device are provided. The power distribution apparatus includes an electrical component and an insulating heat conduction member. One side of the insulating heat conduction member is connected to at least a portion of the electrical component, and the other side is configured to be connected to a heat exchange member. The insulating heat conduction member is configured to transfer heat from the electrical component to the heat exchange member. Through this configuration, heat can be effectively conducted away from the electrical component, enhancing heat dissipation performance and efficiency. This reduces the risk of thermal failure, helps stabilize operating conditions, and extends the service life of both the electrical component and the power distribution apparatus.