Socket Isolation Cavity Structure for Wet Electric Shock Prevention
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Solution Overview
Problem
Outdoor AC sockets used in water-rich environments face a risk of electrical shock due to water accumulation and residual water stains conducting electricity with internal components.
Innovation Solution
The socket design incorporates isolation cavities with spaced cavity walls and outlets, forming air isolation gaps to prevent electrical contact between internal components and water stains, allowing water to be discharged through outlets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the socket is designed with a closed housing structure to prevent water vapor entry, then waterproofing performance is improved, but water accumulation inside the housing occurs when used outdoors, creating electrical shock risk
Solution Approach 1:
The housing interior is segmented into multiple isolation cavities by partition walls, with each cavity independently isolating specific electrical components. This segmentation prevents water from creating continuous conductive paths between different components, addressing the electrical shock risk while maintaining the closed housing structure for waterproofing.
Solution Approach 2:
The partition walls act as intermediary insulating structures between electrical components and the external water environment. These walls create air isolation gaps that serve as mediators to block electrical conduction paths, allowing the closed housing to maintain waterproofing without creating electrical shock hazards from water accumulation.
2Reliability
If waterproof rubbers are used to isolate the interior from exterior environment, then water vapor entry is reduced, but water stains on the surface connect to internal water to form conductive pathways
Solution Approach 1:
The isolation cavities with partition walls segment the interior space, breaking potential continuous water pathways. Even when water stains form on the surface and enter through seals, the partition walls create discontinuous isolation zones that prevent water from forming complete conductive circuits between live components.
Solution Approach 2:
Different regions of the housing interior are given different functions through the partition wall arrangement. Areas with higher water risk are provided with additional isolation cavities, creating localized enhanced protection where water stains are most likely to create conductive paths, while maintaining overall waterproofing structure.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Prevents electrical shock by insulating internal components from water stains on the socket surface, ensuring safe power utilization.
Implementation Method 1
the jacks each form an air isolation gap between the cavity walls spaced apart from each other... the jacks, between the two cavity walls of the corresponding isolation cavities, are each insulated and isolated by the air isolation gap
Data Source
Figure 1
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AI summary
The present disclosure relates to the technical field of electrical equipment, and discloses an anti-electric shock socket including a housing, a plurality of shrapnel insulated and isolated from each other are arranged in the housing, and jacks corresponding to the shrapnel respectively are further provided in the housing; a plurality of isolation cavities isolated from each other are further provided in the housing, the isolation cavities correspond to the jacks one to one, each isolation cavity has cavity walls spaced apart from each other along an extension direction of the jacks, each jack passes through the cavity walls of the corresponding isolation cavity, and a plurality of outlets communicated with the corresponding isolation cavities are further provided on the housing. Each jack forms an air isolation gap between the cavity walls of the corresponding isolation cavity spaced apart from each other, when the socket is soaked in water or sprayed with water and the water enters the jacks of the socket, the water in the isolation cavities is discharged through the outlets, so that each jack, between the two cavity walls of the isolation cavity, is insulated and isolated by the air isolation gap, and water stains on a surface of the housing will not conduct electricity with the shrapnel inside the housing, which avoids the risk of electric shock caused by the fact that water stains on the surface of the housing communicate with the shrapnel in the socket and ensures safety of power utilization.