Distribution Board Connection Module for Adjustable Terminal Alignment
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Solution Overview
Problem
Existing power distribution devices for distribution boards face issues with maintaining parallelization of connection terminals of different heights, increased manufacturing costs due to separate molds required for each height, risk of electric shock from protruding portions, need for separate height adjustment supports, unreliable protection covers, and challenges in aligning multiple devices vertically.
Innovation Solution
A power distribution device with a connection module featuring a connection terminal with a connection hole for sleeve connection, a height adjustment support using coupling grooves and protrusions for adjustable height compatibility, a rotary cover for secure terminal protection, and a housing alignment structure with male and female connection parts for stable vertical alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If connection terminals with different heights are used to match various circuit breakers, then compatibility with various circuit breakers is improved, but manufacturing complexity increases due to requiring separate molds for each height
Solution Approach 1:
The connection terminal is designed with a universal structure that can accommodate different circuit breaker heights through a single standardized design. The terminal incorporates adjustable or modular components that allow it to function with various circuit breaker types without requiring separate molds for each height specification.
Solution Approach 2:
The connection terminal structure includes variable parameters such as adjustable height positions or modular segments that can be configured to match different circuit breaker heights. This allows a single terminal design to adapt to multiple height requirements by changing its configuration rather than requiring entirely different terminal designs.
2Adaptability or versatility
If connection terminals with stepped portions are manufactured separately for different heights, then compatibility with various circuit breakers is improved, but productivity decreases due to increased manufacturing processes
Solution Approach 1:
A single connection terminal mold design produces terminals that can serve multiple height requirements through standardized interfaces and configurable elements, eliminating the need for separate production lines for each height specification.
Solution Approach 2:
The connection terminal is divided into modular segments or standardized sections that can be assembled in different configurations to achieve various effective heights, allowing production through a single mold design that produces universal components.
3Strength
If burring is formed at the lower side of the connection terminal to increase connection force, then connection strength is improved, but safety risk increases due to electric shock from protruding portions
Solution Approach 1:
The protruding burring portion that creates safety hazards is transformed into a beneficial feature by enclosing it within a protective housing structure. The burring remains to provide strong mechanical connection force, while the housing prevents direct exposure to conductive surfaces, converting the harmful exposed protrusion into a safe enclosed connection mechanism.
Solution Approach 2:
The connection terminal with burring is nested within a protective housing structure that encloses the conductive protruding portions. The housing acts as an outer layer that contains the potentially harmful burring while allowing the connection function to operate, similar to nested dolls where the inner element serves its function while being protected by outer layers.
4Adaptability or versatility
If separate height adjustment supports are manufactured for different terminal heights, then adaptability to various terminal heights is improved, but device complexity increases
Solution Approach 1:
A single height adjustment support design is created that can accommodate multiple terminal heights through adjustable mechanisms or modular configurations. The support structure includes variable positioning capabilities that allow it to function with different terminal heights without requiring separate support components for each height specification.
5Ease of manufacture
If protection covers are made separate and unreliable, then ease of assembly is improved, but safety reliability decreases
Solution Approach 1:
The protection cover is merged with the housing structure to form an integrated, unified component rather than a separate attachment. This integration ensures that the protection cover becomes an inherent part of the housing assembly, maintaining reliable protection while simplifying the overall assembly process through reduced component count.
6Adaptability or versatility
If multiple continuous power distribution devices are connected vertically, then distribution capability is improved, but alignment difficulty increases
Solution Approach 1:
The housing alignment connection structure incorporates asymmetric features such as keyed interfaces or oriented connection elements that provide inherent alignment guidance. The asymmetric design ensures that devices can only be connected in the correct orientation, automatically achieving proper alignment during assembly without requiring complex alignment procedures.
Data Source
AI summary
The provided is a power distribution device for a distribution board. The power distribution device distributes power to and connects a main circuit breaker, branch circuit breakers, an additional output terminal circuit breaker, and an additional output terminal circuit breaker, the power distribution device for a distribution board includes an upper housing, a lower housing installed on a floor, a connection module installed in a vertical direction at a side of the lower housing adjacent to the main circuit breaker, and the connection module includes a connection terminal, a connection member, a coupling member, an electrically conducting the fastening member, and a ring-shaped nut member.