Dosing Device Electronic Module Nesting and Sealing
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Solution Overview
Problem
Existing dosing devices have suboptimal integration and protection of electronic counting modules, leading to complex assembly and potential environmental exposure, with external mounting designs being less aesthetically pleasing and more prone to damage.
Innovation Solution
The electronic counting module is fully integrated into the dosing device with a module housing that is designed to be completely enclosed within the applicator housing, featuring a viewing window for data display and a recess for secure locking, allowing for enhanced protection and easy handling, and incorporating a movable stroke detection mechanism for precise dosing control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the electronic counting module is mounted externally on the housing, then the assembly is simple and accessible, but the module is exposed to environmental damage and appears aesthetically displeasing
Solution Approach 1:
The electronic counting module is nested within the applicator housing, with the module housing inserted into a receiving space inside the applicator housing. This integration protects the module from environmental damage while maintaining a compact structure, resolving the contradiction between external accessibility and internal protection.
2Reliability
If the electronic counting module is fully integrated into the applicator housing, then the module is protected and aesthetically integrated, but the assembly and disassembly becomes more complex
Solution Approach 1:
The dosing device is segmented into distinct modular components: the applicator housing, the module housing containing the electronic counting module, and the pump section. The module housing can be independently inserted into or removed from the receiving space in the applicator housing, enabling easy replacement or service while maintaining protection during use.
Solution Approach 2:
The connection between the module housing and applicator housing is designed to be dynamically changeable - firmly fixed during operation for protection, but easily detachable when needed for assembly or service. This is achieved through the receiving space design that allows simple insertion and removal.
3Reliability
If the module housing is made completely enclosed, then the module is well protected, but the display unit becomes difficult to view
Solution Approach 1:
The module housing has different properties in different locations: it is opaque and protective in most areas, but features a transparent viewing window in the region where the display unit is located. This allows the display to be clearly viewed from the outside while the rest of the module housing maintains full protective enclosure.
4Device complexity
If the viewing window is made as an integral part of the module housing, then the structure is simplified and cost-effective, but the sealing requirement increases
Solution Approach 1:
A sealing element in the form of a flexible membrane is used to seal the viewing window opening. The membrane allows the viewing window to be integrated into the module housing structure while maintaining liquid-tight sealing, preventing medium from penetrating into the module housing through the window area.
Data Source
Figure 1
Figure 2
Figure 3~6
AI summary
The device has an applicator housing (1) with an application opening (4) for discharging a medium. A dosing pump (2) feeds the medium from a medium storage to an applicator. A display unit displays data that is generated by a data processing processor. A power source provides the processor with power. An electronic metering module (3) includes a module housing, whose external dimensions are adapted to internal dimensions of a retaining space (6) of the applicator housing, where the module housing is detachably fastened to the retaining space.