Static Water Sterilization Module Sealing Design
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Solution Overview
Problem
Conventional static water sterilization modules suffer from reduced sterilization effectiveness due to exposure of the lamp's back surface, allowing water vapor to enter and cause fog on the light-transmitting surface, which weakens the sterilization process.
Innovation Solution
A static water sterilization module design that includes a sealing chamber formed by the inner surfaces of the lamp plate, light-transmitting plate, and lamp holder, with a first sealing ring and clamping member to seal the sterilization lamp's back surface, and waterproof potting adhesive to encapsulate the base chamber, preventing liquid and water vapor entry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the back surface of the lamp is left exposed for simple structure, then the device complexity is reduced, but water vapor enters causing fog on the light-transmitting surface and sterilization effect is weakened
Solution Approach 1:
The lamp assembly is segmented into a sealed lamp chamber and an external mounting structure. The sealing components (sealing ring, waterproof adhesive, clamping member) create a distinct sealed zone around the lamp, isolating it from water vapor while maintaining structural simplicity through modular assembly
Solution Approach 2:
Sealing components act as intermediaries between the lamp and the external environment. The sealing ring, waterproof adhesive, and clamping member form a barrier system that prevents water vapor ingress without requiring complete redesign of the lamp structure
2Reliability
If sealing components are added to prevent water vapor ingress, then the sterilization effect is improved, but the device complexity increases
Solution Approach 1:
A flexible sealing ring is used to create the primary seal around the lamp. This thin film component provides effective water vapor barrier protection while maintaining simplicity through its elastic sealing capability that accommodates manufacturing tolerances and assembly variations
Solution Approach 2:
The sealing system uses composite material approaches by combining different sealing mechanisms: the elastic sealing ring provides primary sealing, while the waterproof adhesive provides secondary chemical bonding sealing, and the clamping member provides mechanical compression. This multi-material approach achieves reliable sealing without excessive structural complexity
Data Source
AI summary
A static water sterilization module is provided according to the present application, which includes a lamp holder, a light-transmitting plate, a lamp plate, a sterilization lamp, a first sealing ring, a clamping member and a waterproof potting adhesive. The light-transmitting plate is mounted on the lamp holder. The lamp plate is mounted in the lamp holder. The sterilization lamp is mounted on the lamp plate. An inner surface of the lamp plate, an inner surface of the light-transmitting plate and an inner wall of the lamp holder form a sealing chamber for mounting the sterilization lamp. The first sealing ring abuts against an outer surface of the lamp plate. The clamping member is configured to press the first sealing ring and the lamp plate. The waterproof potting adhesive is configured to encapsulate a base chamber between the outer surface of the lamp plate and the lamp holder.