RF Module Waterproof Structure with Staggered Sealing Jacks
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Solution Overview
Problem
Existing radio frequency module waterproof designs face challenges with low mounting efficiency, high operation complexity, and high costs due to the difficulty in implementing a multi-cable waterproof structure, especially as modules miniaturize.
Innovation Solution
A waterproof structure comprising a case body, a cover body, a first sealing layer, a middle sealing layer, and a second sealing layer, with staggered jacks and grooves for easy cable insertion and sealing, utilizing insert molding for a metal support body within the middle sealing layer to enhance sealing and prevent contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rubber ring is used to seal and fasten each cable separately, then waterproofing is achieved, but mounting efficiency is low and operation space requirements are high
Solution Approach 1:
Multiple separate cable sealing operations are merged into a single integrated sealing structure. The patent combines multiple rubber sealing rings into one unified rubber component that seals multiple cables simultaneously, eliminating the need for separate sealing and fastening operations for each cable. This merging of operations directly improves mounting efficiency while maintaining waterproofing reliability.
Solution Approach 2:
The unified rubber component serves multiple functions simultaneously: it provides waterproof sealing for multiple cables, acts as a fastening element, and reduces the number of separate parts needed. This multi-functional design eliminates the need for separate sealing rings and fasteners for each cable, thereby improving mounting efficiency without compromising waterproofing.
2Reliability
If a rubber ring is used to seal and fasten each cable separately, then waterproofing is achieved, but operation complexity is high
Solution Approach 1:
Multiple separate sealing and fastening operations are merged into a single integrated rubber component. This unified structure reduces the number of discrete parts and simplifies the assembly process, making the operation less complex while maintaining effective waterproofing for all cables.
Solution Approach 2:
The unified rubber component is designed with segmented structures including multiple grooves and protrusions that correspond to individual cables. This segmentation allows each cable to be sealed and fastened independently within the unified structure, simplifying the overall operation while maintaining waterproofing for each cable.
3Reliability
If a rubber ring is used to seal and fasten each cable separately, then waterproofing is achieved, but costs are high
Solution Approach 1:
Multiple separate rubber sealing rings and fastening components are merged into a single unified rubber component. This reduction in the number of parts decreases material costs, reduces assembly time, and simplifies manufacturing processes, thereby lowering overall costs while maintaining waterproofing reliability.
Solution Approach 2:
The unified rubber component performs multiple functions (sealing and fastening for multiple cables) that previously required separate components. This multi-functionality reduces the total number of parts needed, lowering material costs, assembly costs, and manufacturing complexity.
4Volume of moving object
If miniaturization is implemented in outdoor radio frequency modules, then module size is reduced, but multi-cable waterproof design becomes more difficult
Solution Approach 1:
Multiple cable sealing and fastening functions are merged into a single compact unified rubber component. This integration reduces the space required for multi-cable waterproof design, enabling miniaturization of the radio frequency module while maintaining effective sealing for multiple cables.
Solution Approach 2:
The unified rubber component contains nested structures with grooves and protrusions that accommodate multiple cables in a compact arrangement. This nested design allows multiple cables to be sealed and fastened within a reduced space, facilitating module miniaturization while maintaining multi-cable waterproof capability.
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
The solution enables rapid and convenient assembly of multiple cables, improving mounting efficiency and reducing costs while maintaining effective waterproofing, making it suitable for miniaturized radio frequency modules.
Implementation Method 1
the support body and the middle sealing layer are formed by means of insert molding
Data Source
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AI summary
The present utility model provides a radio frequency module waterproof structure. The waterproof structure includes a case body, a cover body, a first sealing layer, a middle sealing layer, and a second sealing layer. The first sealing layer is mounted on the case body, and the second sealing layer is mounted on the cover body and is arranged opposite to the first sealing layer; the cover body covers the case body, and the middle sealing layer is sandwiched between the first sealing layer and the second sealing layer; at least two first jacks are formed at a junction of the first sealing layer and the middle sealing layer; and at least two second jacks are formed at a junction of the second sealing layer and the middle sealing layer, and the at least two first sealed through holes and the at least two second jacks are distributed at two layers, one above the other, and are arranged in a staggered manner.