Handheld Spattering Device with Spatial Referencing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Handheld surface spattering devices face challenges in achieving precise and uniform application due to unsteady user handling, particularly when applying predefined patterns on complex or non-flat surfaces, and require manual mixing of colors, which is time-consuming and requires skilled operators.
Innovation Solution
A dynamically movable handheld surface spattering device with a nozzle control mechanism and spatial referencing unit, capable of adjusting expelling characteristics based on surface shape, color, and movement, using sensors and computation to ensure accurate and uniform application without pre-mixing, and equipped with features like multiple nozzles for color mixing and environmental parameter control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual handling of spattering device is used, then ease of operation is improved, but manufacturing precision deteriorates due to unsteady user handling
Solution Approach 1:
The patent replaces manual mechanical control with an automated control system that includes sensors (optical, capacitive, inductive) and a control unit. The control unit receives sensor signals and automatically adjusts nozzle parameters (position, orientation, expelling characteristics) to maintain precise application despite device movement, thereby substituting human mechanical control with an automated sensing-and-control system.
Solution Approach 2:
The patent implements feedback control by continuously monitoring device position and movement through sensors and using this information to dynamically adjust nozzle parameters. The control unit processes real-time sensor data and modifies expelling characteristics (flow rate, pressure, direction) to compensate for movement, ensuring consistent application precision throughout the spattering process.
2Manufacturing precision
If automated control system is added, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The control unit serves multiple functions: it processes signals from various sensor types (optical, capacitive, inductive), controls multiple nozzle parameters simultaneously (position, orientation, flow rate, pressure), and adapts to different spattering materials and surface conditions. This multi-functionality consolidates what could be separate complex subsystems into a single integrated control unit, reducing overall device complexity while maintaining high precision.
Solution Approach 2:
The control unit acts as an intermediary between the sensors and the nozzle actuation mechanisms. It receives raw sensor signals, processes them through algorithms, and converts them into appropriate control signals for the nozzle system. This intermediary layer simplifies the interface between sensing and actuation, reducing the complexity of direct coupling between multiple sensors and multiple actuators.
3Adaptability or versatility
If multiple nozzles for color mixing are used, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple nozzles into a single integrated spattering head assembly that is controlled by a unified control unit. The multiple nozzles share common support structures, sensor integration, and control electronics, merging what could be separate independent systems into a coordinated assembly. This reduces overall device complexity while maintaining the versatility of multi-color spattering 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 device enables precise and efficient application of spattering materials on complex surfaces with reduced user error, automatic color matching, and reduced material waste, allowing for accurate and uniform coverage without the need for pre-mixing, enhancing productivity and reducing operator skill requirements.
Implementation Method 1
The spatial referencing unit (4) is built in such a way to reference the spattering device (9) in at least five degrees of freedom, in particular by position, an angle and/or an inertial determination means
Implementation Method 2
a nozzle control mechanism (4) to control characteristics of the expelling of the nozzle means (1), in particular expelling-direction, -speed, -divergence, -spreading, -shape and/or -material rate
Data Source
AI summary
The invention concerns a handheld, dynamically movable surface spattering device, comprising at least one nozzle means for an expelling of a spattering material onto a target surface and a nozzle control mechanism to control characteristics of the expelling of the nozzle means. Furthermore, it comprises a spattering material supply, a storage with desired spattering data, which is predefined and comprised in a digital image or CAD-model memorized on the storage, a spatial referencing unit, to reference the spattering device relative to the target surface and a computation means to automatically control the expelling by the nozzle control mechanism according to information gained by the spatial referencing unit and according to the desired spattering data is evaluated and adjusted by changing the characteristics of expelling of the nozzle means in such a way that the target surface is spattered according to the desired spattering data.