Fuse and Power Distribution Block for High-Current Vehicle Systems
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Solution Overview
Problem
Existing fuse and power distribution systems in vehicles are inadequate for high-power applications, requiring multiple custom blocks and limited space, and fail to accommodate varying load requirements and fuse ratings, posing safety and cosmetic enhancement challenges.
Innovation Solution
A customizable fuse and power distribution block with adjustable circuitry and multiple fuse connections, housed in a heat-resistant polycarbonate base with locking tabs and metal plates, supporting various AWG gauge cables and fuse configurations up to 300 amps, allowing for efficient and attractive integration of high-power accessories.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If factory supplied fuse panels are used, then space is saved and installation is simple, but they cannot accommodate high current loads exceeding 100 amps
Solution Approach 1:
The distribution block is divided into multiple independent fuse holders, each capable of accepting different fuse types (ANL, Maxi, AGU). This segmentation allows each fuse position to be independently configured for specific current ratings, enabling the single block to handle various high current loads while maintaining adaptability to different fuse designs.
Solution Approach 2:
The distribution block incorporates universal mounting features and multiple fuse holder types that can accommodate various fuse ratings (60-300 amps). The block serves multiple functions: it distributes high current to multiple circuits, provides fuse protection for different load requirements, and adapts to different fuse designs within a single unified structure, eliminating the need for multiple specialized blocks.
2Adaptability or versatility
If multiple custom fuse blocks are purchased to accommodate different load requirements, then all fuse ratings can be supported, but device complexity and installation space increase
Solution Approach 1:
Multiple fuse holders for different fuse types and ratings are integrated into a single distribution block structure. The block combines ANL fuse holders, Maxi fuse holders, and AGU fuse holders in one unit, merging the functionality of what would traditionally require multiple separate blocks. This consolidation reduces the total number of components, simplifies installation, and decreases the space required in the vehicle.
3Power
If high current capacity is increased to 300 amps, then power distribution capability is improved, but heat management and safety requirements become more stringent
Solution Approach 1:
The distribution block incorporates bus bars as intermediary conductive elements between the power source and individual fuse outputs. These bus bars are designed with sufficient cross-sectional area and thermal conductivity to safely conduct high currents up to 300 amps while distributing heat evenly. The block housing also serves as a thermal management structure, providing heat dissipation pathways and physical isolation to prevent overheating and ensure safe operation at high current capacities.
Data Source
AI summary
A fuse and power distribution block is provided which includes a polymer base, and multiple conductive base blocks for connection with incoming power lines or outgoing accessory lines. Each conductive base block also provides multiple alternative fuse connections on a first upper horizontal platform, a second lower horizontal platform, and a third intermediate vertical platform interconnecting the first and second platforms. The fuse and power distribution block may, depending on the desired accessory system, include 4 or 6 conductive base blocks. The fuse and power distribution block has an attractive transparent polymer cover and shell.