Power Plug Socket AC DC Terminals Backup Power
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Solution Overview
Problem
Electrical devices stop functioning during AC power outages, causing potential damage and economic losses, and posing safety risks, as existing power plugs and sockets do not provide a continuous power supply.
Innovation Solution
A power plug and socket system that includes AC and DC terminals, where the AC terminals are connected to separate wires and the DC terminals become conductive when AC power is cut off, allowing the device to be powered by a storage battery or DC source, ensuring continuous operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If only AC terminals are provided in the power plug and socket, then the structure is simple and cost-effective, but the electrical device stops functioning when AC power is cut off
Solution Approach 1:
The power plug and socket are designed to support both AC and DC power connections through universal terminal structures. The plug body contains both AC plug terminals and DC plug terminals, while the socket contains corresponding AC socket terminals and DC socket terminals, enabling the system to function with either AC or DC power sources.
Solution Approach 2:
The power plug is segmented into distinct AC and DC terminal sections, with separate mounting structures for each type of terminal. The AC plug terminals are fixed in mounting holes with flexible claws, while DC plug terminals are fixed in mounting slots with protrusions, allowing independent installation and maintenance of each power type.
2Reliability
If DC terminals are added to provide backup power, then the electrical device can continue operating during AC power outage, but the manufacturing complexity increases
Solution Approach 1:
The power plug is pre-assembled with both AC and DC terminals in their respective mounting structures before final installation. The flexible claws and protrusions are pre-positioned to engage with the socket's corresponding features, simplifying the final assembly process and reducing on-site manufacturing complexity.
Solution Approach 2:
The flexible claws on the AC plug terminals and the protrusions on the DC plug terminals are designed to self-align and self-lock into the socket's mounting structures. This self-service mechanism reduces the need for complex assembly tools and procedures, making the manufacturing process easier despite the added functionality.
3Reliability
If separate mounting structures are used for AC and DC terminals, then the terminals are securely fixed and connection reliability is improved, but the device complexity increases
Solution Approach 1:
Different mounting structures are applied to different terminal types based on their specific requirements. AC plug terminals use mounting holes with flexible claws that press against the terminals, while DC plug terminals use mounting slots with protrusions that clamp the terminals. Each local mounting structure is optimized for its specific terminal type, ensuring secure fixation without unnecessary complexity.
Data Source
AI summary
The present disclosure relates to techniques of electronic components and, for example, to a power plug and socket. A power plug and a power socket working together with each other are provided. The power plug includes a body, at least two AC plug terminals fixed inside the body, and two DC plug terminals fixed inside the body. Each of the AC plug terminals and each of the DC plug terminals are respectively connected to separate connecting wires. The power socket includes a base. The base is provided with a base cavity. Shape of the base cavity is adapted to shape of an insert end of the body. The base cavity is provided with AC socket terminals corresponding to the AC plug terminals one by one and DC socket terminals corresponding to the DC plug terminals one by one.