High Voltage Terminal Insulating Gasket Short Circuit Prevention
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Solution Overview
Problem
High voltage connecting terminals in energy storage systems face safety concerns due to the risk of short circuits when assembled with electrical distribution panels, as existing insulation properties are inadequate.
Innovation Solution
The implementation of an insulating gasket in the fastening structure between the high voltage connecting terminal and the conducting case, featuring specific openings and fastening holes, enhances electrical insulation and prevents short circuits by improving the alignment and fastening process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a high voltage connecting terminal is fastened to a conducting case without adequate insulation, then the assembly is simple and easy to manufacture, but short circuit risks increase and safety deteriorates
Solution Approach 1:
An insulating gasket is introduced as an intermediary component between the high voltage connecting terminal and the conducting case. This gasket prevents direct electrical contact while maintaining the mechanical fastening function, thereby improving insulation properties without significantly complicating the overall assembly structure.
Solution Approach 2:
The fastening structure employs composite materials by combining conductive components (high voltage connecting terminal, conducting case) with insulating material (insulating gasket). This composite approach enables simultaneous achievement of electrical connection where needed and insulation where required, resolving the contradiction between simplicity and safety.
2Manufacturing precision
If the insulating gasket structure is simplified, then manufacturing is easier, but alignment precision and fastening accuracy deteriorate
Solution Approach 1:
Alignment grooves are pre-formed on the insulating gasket before assembly. These grooves guide the positioning of the high voltage connecting terminal relative to the conducting case, ensuring precise alignment during the fastening process without requiring complex adjustment procedures or high-precision manufacturing equipment.
Solution Approach 2:
The insulating gasket features localized structural variations: smooth insulating surfaces in contact areas and grooved guiding surfaces in alignment areas. This local differentiation provides precise alignment where needed while maintaining manufacturing simplicity in other areas, resolving the contradiction between precision and ease of manufacture.
Data Source
AI summary
A high voltage connecting terminal for a power supply with improved insulating properties is disclosed. The high voltage connecting terminal may include a power connecting portion having a base plate mounted at one side of a conducting case in which a first opening and a first fastening hole are formed and a power connecting terminal formed to protrude at one side of the base plate, an insulating member interposed between the conducting case and the power connecting portion and having a third opening and a third fastening hole formed therein, and an insulating gasket mounted at the other side of the conducting case and having a fourth opening and a fourth fastening hole formed therein, the insulating gasket including a protruding portion formed along an outer circumference of the fourth opening so as to pass through the first opening.