Power Supply Enclosure Fixing Plate for Stable Heat-Dissipating Mounts
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Solution Overview
Problem
Conventional methods for fixing components in vehicle-mounted chargers using deep drawing or die casting processes face issues with stability, complexity, and increased costs due to the need for multiple fixing posts, especially when using aluminum, which results in poor welding and adhesive bonding stability.
Innovation Solution
A power supply enclosure with a housing formed by deep drawing or die casting, incorporating a fixing plate that is fixedly connected to the housing surface via welding or adhesive bonding, allowing for improved stability and reduced process complexity by increasing the connection area, and using integrated structures for enhanced air-tightness and heat dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple fixing posts are used to fix components in the enclosure, then the component fixation stability is improved, but the device complexity and process complexity increase
Solution Approach 1:
The patent combines multiple separate fixing posts into a single integrated fixing plate structure. The fixing plate is formed as one piece during the deep drawing process, eliminating the need for multiple separate fixing operations and reducing assembly complexity while maintaining the ability to secure multiple components effectively.
Solution Approach 2:
The fixing plate serves multiple functions simultaneously: it provides structural support, acts as a mounting surface for multiple components, and serves as a heat dissipation pathway. This multi-functional design replaces the need for separate fixing posts and additional heat dissipation structures.
2Ease of manufacture
If deep drawing process is used to form the enclosure, then manufacturing cost is reduced, but fixing post integration becomes difficult requiring separate fixation steps
Solution Approach 1:
The fixing plate is integrated into the enclosure body during the deep drawing process itself, combining what would otherwise be separate manufacturing steps into a single forming operation. This eliminates the need for separate fixing post installation steps while maintaining the cost advantages of deep drawing.
Solution Approach 2:
The fixing plate structure is pre-formed as an integral part of the enclosure during the deep drawing process, before any component assembly takes place. This preliminary integration of the fixing structure eliminates subsequent fixation steps and reduces overall process complexity.
3Reliability
If die casting process is used to form the enclosure with integrated fixing posts, then fixing post integration is achieved, but die costs and process complexity increase
Solution Approach 1:
The patent chooses to use a standard deep drawing process with a separate but integrated fixing plate rather than investing in specialized die casting molds. This approach uses more common, less expensive manufacturing equipment while achieving the same integration effect through a different process route.
Solution Approach 2:
The invention changes the manufacturing process parameters from die casting to deep drawing, and changes the structural parameters from integrated fixing posts to an integrated fixing plate. This parameter change allows the use of more cost-effective equipment while achieving the desired integration level.
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 provides stable and efficient component fixation with reduced process costs and improved heat dissipation through a fixing plate connection, enhancing the reliability and efficiency of the vehicle-mounted charger's heat management system.
Implementation Method 1
heat dissipation on a heat generating component in the power supply conversion functional assembly by using a cooling fluid in the first flow channel
Implementation Method 2
cooling fluid in the first flow channel is configured to cool the heat generating component
Data Source
Figure 1
Figure 2a
Figure 2b~3
AI summary
This application provides a power supply enclosure, a power supply conversion apparatus, and an electronic device. The power supply enclosure includes a housing and a fixing plate. The housing has an accommodation cavity, and a first flow channel is disposed in the housing. The fixing plate is located in the accommodation cavity, at least a part of a surface of the fixing plate that faces the housing is fixedly connected to at least a part of an inner surface of the housing, and the fixing plate is configured to fix a power supply conversion functional assembly, so as to perform heat dissipation on a heat generating component in the power supply conversion functional assembly by using a cooling fluid in the first flow channel. A manner of face-to-face connection between the surface of the fixing plate and the surface of the housing in the power supply enclosure has a large connection area, and higher connection stability. This can improve stability of fixed connection between the power supply conversion functional assembly and the housing.