Modular Additive Delivery Unit with Plug Connectors
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Solution Overview
Problem
Existing devices for delivering liquid additives in motor vehicles are complex and costly, with difficult assembly and maintenance, and lack efficient electronic control systems for autonomous operation.
Innovation Solution
A device comprising a preassembled additive delivery unit with hydraulic components and an electronic unit, connected via plug connectors for easy assembly and maintenance, allowing for independent assembly and combination, with movable connectors for tolerancing and interchangeable units for different requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If electronic components are integrated within the device for autonomous dosing control, then the automation and control capability is improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The device is segmented into separate functional modules: an additive delivery unit with hydraulic components and an electronic control unit with plug connectors. This modular segmentation allows the electronic components to be integrated for autonomous control while managing complexity through clear functional separation and standardized interfaces.
2Reliability
If the device is designed as an integrated system with electronic control, then the dosing precision and reliability are improved, but the manufacturing cost and maintenance difficulty increase
Solution Approach 1:
The electronic control unit and additive delivery unit are designed with pre-configured plug connectors that establish electrical and fluid connections upon assembly. This preliminary configuration of interfaces ensures reliable dosing control while simplifying manufacturing through standardized, pre-designed connection points that reduce assembly complexity.
3Adaptability or versatility
If multiple hydraulic components are provided with separate electrical connections, then the functional capability is improved, but the assembly complexity and maintenance difficulty increase
Solution Approach 1:
Multiple electrical connections from different hydraulic components are merged into a single plug connector interface on the electronic control unit. This consolidation maintains full functional capability by connecting all necessary components while dramatically simplifying assembly and maintenance through a single connection point instead of multiple separate connections.
Data Source
AI summary
A device for delivering a liquid additive includes an additive delivery unit and an electronic unit. The additive delivery unit has at least one hydraulic component for delivering the liquid additive. All electrical connections of the at least one hydraulic component are brought together in a first plug connector on the additive delivery unit. The electronic unit has a second plug connector which can be connected to the first plug connector. The first plug connector and the second plug connector are connected to one another and form a plug connection when the electronic unit and the additive delivery unit are connected to one another. A motor vehicle having the device is also provided.