Load Disconnect Connector With Switch-Controlled Pull-Out Safety
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Solution Overview
Problem
Connectors face risks of instant ignition and short circuits when pulled out under heavy load conditions, leading to scrap and potential safety accidents.
Innovation Solution
A connector design featuring a housing with a circuit board, connection head, and switch that allows for controlled connection and disconnection between signal points, using a first and second fixing component to achieve primary and secondary fixation states, ensuring safe disconnection by cutting off signal connection before removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the connector is pulled out under heavy load condition, then the connector can be disconnected quickly, but instant ignition and short circuit risks occur causing safety accidents
Solution Approach 1:
The switch is designed to automatically cut off the electrical connection before the mechanical separation is completed. When the connector begins to be pulled out, the switch detects the movement and opens the circuit first, eliminating the electrical connection before the physical separation occurs. This preliminary action of cutting power prevents the safety hazard of pulling under load while maintaining quick disconnection capability.
Solution Approach 2:
The switch acts as an intermediary mechanism between the mechanical connection and electrical connection. It mediates the disconnection process by controlling the electrical circuit opening based on the mechanical movement state, ensuring that electrical separation precedes or coincides with mechanical separation, thus preventing unsafe pulling under load conditions.
2Device complexity
If a simple mechanical connection is used, then the device complexity is reduced, but the risk of instant ignition and short circuit under heavy load increases
Solution Approach 1:
The switch is integrated into the connector housing and mechanically linked to the connection head movement. The switch's actuator is positioned such that it is automatically actuated by the same mechanical motion that connects or disconnects the electrical contacts. This merging of mechanical and electrical control functions adds minimal structural complexity while providing essential safety protection against pulling under load.
Solution Approach 2:
The connector structure is designed so that the actuation of the switch is self-driven by the mechanical movement of the connection head itself. No separate control system or additional actuation mechanism is required - the physical act of connecting or disconnecting automatically triggers the switch to open or close the circuit, providing safety functionality through the inherent mechanical motion of the connector.
Data Source
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AI summary
Embodiments of the present application relate to the technical field of connectors, in particular to a connector and an electronic device. The connector includes a housing provided with an accommodating cavity and a first opening communicating with the accommodating cavity; a circuit board disposed in the accommodating cavity, the circuit board being provided with a first signal connection point; a connection head disposed on the housing, the connection head including a second signal connection point used to be connected to an external device; and a switch disposed in the first opening, the switch being respectively connected to the first signal connection point of the circuit board and the second signal connection point of the connection head, and the switch being used for controlling the connection or disconnection between the first signal connection point of the circuit board and the second signal connection point of the connection head. In the above-mentioned manner, the connector and a heavy load may be disconnected by the switch when the connector is pulled out in the embodiments of the present application, so that risks of instant ignition and short circuit caused when the connector is pulled out may be avoided, and safety accidents may be reduced.