Powder Spray Gun Integrated Display and Control System
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Solution Overview
Problem
Manual powder coating material spray guns face inefficiencies due to the need for frequent purging and parameter changes when switching between different coatings or materials, resulting in lost production time as operators must divert attention to adjust settings.
Innovation Solution
A manual powder coating material spray gun equipped with a display and control system that allows operators to select and confirm coating operation parameters without leaving their focus on the spraying process, enabling single-handed operation and reducing the need for frequent purging and parameter adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If operators manually adjust coating parameters using external controls, then parameter changes can be made, but operators must divert attention from the spray gun and coating operation
Solution Approach 1:
The control system is merged with the spray gun by integrating the display and control buttons directly into the gun handle. This allows operators to adjust coating parameters and view information without diverting attention from the coating operation, as all controls are now within reach of the operator's hand holding the spray gun.
Solution Approach 2:
A microprocessor-based control unit serves as an intermediary between the operator's manual inputs and the coating material application system. This intelligent mediator processes operator selections, retrieves appropriate parameters from memory, and automatically adjusts the coating operation, reducing the cognitive load and attention required from the operator.
2Reliability
If purging operations are performed when changing coating materials, then contamination is prevented, but production time is lost
Solution Approach 1:
The control system stores multiple pre-configured coating recipes in memory, each containing optimized parameters for different coating materials and applications. When a color or material change is required, the operator can quickly select a pre-saved recipe, and the system automatically configures all parameters, minimizing the time spent on parameter adjustments and reducing production downtime.
Solution Approach 2:
The system enables rapid parameter changes by storing multiple coating recipes with different settings (flow rates, air pressure, electrostatic voltage) for various coating materials. Operators can switch between recipes by simple selection, allowing quick adaptation to different coating requirements without manual adjustment of multiple individual parameters, thus maintaining productivity while ensuring proper coating application.
3Adaptability or versatility
If multiple coating parameters are controlled manually, then coating operations can be adjusted, but the number of control elements increases
Solution Approach 1:
The integrated control system provides multi-functionality by combining parameter adjustment, display, memory storage, and automatic control capabilities into a single unit mounted on the spray gun. This universal control interface handles multiple coating parameters (flow rate, air pressure, electrostatic voltage) through a unified system, reducing the need for separate control elements for each parameter while maintaining full adaptability.
Solution Approach 2:
The patent replaces traditional mechanical control elements (separate knobs, switches, and dials for each parameter) with an electronic control system featuring a display and programmable buttons. This substitution reduces the physical number of control elements while providing equivalent or enhanced control capability, as the microprocessor-based system can manage multiple parameters through software rather than requiring separate mechanical controls for each.
Data Source
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AI summary
A coating material application system, comprising a manual powder coating material spray gun (10) with a handgrip portion (16) in the form of a handle (18) and a barrel portion (14) and a spray nozzle portion (12) comprising an electrode assembly (54) that is connectable to a high voltage supply (56) to electrostatically charge powder coating material, a display (100) that is installed on a back end of said barrel portion (14) so as to be easily visible by the operator while the operator is using the spray gun (10), a display controller (110) contained within said spray gun (10) which operates said display (100), a supply of powder coating material, a main controller (114) which controls one of more parameters associated with said powder coating operation of said spray gun (10), and a communication link (112) between said display controller (110) and said main controller (114).