Multidirectional EV Power Distribution Unit for Cross-Platform Mounting
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Solution Overview
Problem
Existing power distribution units (PDUs) in electric vehicles are unidirectionally matched and mounted, leading to increased development costs due to the need for different PDUs for various vehicle platforms, as high-voltage appliances are arranged differently, making platformization difficult.
Innovation Solution
A power distribution unit with a multidirectional design featuring a housing with multiple connection end surfaces, plug-in connectors, and electric control devices that can communicate with an external controller to adapt to different orientations and platforms, reducing the need for platform-specific PDUs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a unidirectional PDU design is used to match specific high-voltage appliance arrangements, then the PDU can be precisely configured for a particular platform, but the development cost increases due to the need for multiple platform-specific PDUs
Solution Approach 1:
The PDU housing is designed with multiple connection end surfaces (first, second, third, and fourth connection end surfaces) that can each serve as a mounting interface for high-voltage appliances. This multi-functional design allows the same PDU unit to be universally applied across different vehicle platforms by simply changing the mounting orientation, eliminating the need for platform-specific PDU variants and reducing development complexity
2Adaptability or versatility
If different PDUs are developed for different vehicle platforms, then each PDU can be optimized for its specific platform, but the manufacturing cost increases
Solution Approach 1:
The PDU employs a universal housing structure with four connection end surfaces that can be mounted in any orientation (front, rear, left, or right side of the vehicle). This single universal design replaces the need for multiple platform-specific PDU models, significantly reducing tooling costs, assembly line complexity, and inventory management requirements while maintaining full adaptability across different vehicle platforms
3Ease of operation
If the PDU is designed with fixed orientation for specific high-voltage appliance layouts, then the appliance connections are optimized, but the PDU cannot be shared across different platforms
Solution Approach 1:
The PDU housing employs asymmetric design elements including positioning protrusions on opposite sides and corresponding positioning grooves on the mounting bracket. These asymmetric features ensure that while the housing can be mounted in any of four orientations, each orientation is uniquely positioned and locked in place, preventing incorrect installation while maintaining structural integrity and connection optimization for each mounting direction
Data Source
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AI summary
The present disclosure relates to the technical field of electric vehicles, and particularly to a power distribution unit capable of being multidirectionally matched and mounted, a system, and an electric vehicle. The power distribution unit comprises a housing and at least one electric control device; the housing includes a plurality of connection end surfaces each provided with at least one electrical appliance interface; the housing is further provided with plug-in connector and a power interface; and the electric control device is disposed inside the housing and connected to one of the electrical appliance interfaces; the electric control device is connected to an external power source through the power interface and is in communication connection with an external controller through the plug-in connector, so as to supply power to an electrical appliance connected to the electrical appliance interface according to a control instruction from the external controller. By providing the power distribution unit capable of being multidirectionally matched and mounted, the present disclosure enhances the platformization attribute of the power distribution unit, improves the adaptability of the power distribution unit in different platforms, and saves the design and manufacturing cost.