Programmable Networked Variable Atomizer for Die Casting
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Solution Overview
Problem
Die casting machines face challenges in setting up and troubleshooting atomizers due to manual adjustments and difficulties in tracking malfunctions or plugged nozzles, especially in large systems.
Innovation Solution
The Programmable Networked Variable Atomizer (PNVA) system uses sensors, solenoids, embedded lasers, and a wireless mesh network to adjust lubricant flow, target the die face, and communicate with a PLC/HMI, allowing for real-time monitoring and control of atomizer performance, including flow rate and nozzle functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual adjustments are used for atomizer setup, then device complexity is reduced, but manufacturing precision and setup time are worsened
Solution Approach 1:
The patent replaces manual mechanical adjustments with an automated control system that uses sensors to detect atomizer parameters and electronically controls solenoid valves to adjust lubricant flow rates and atomizing air flow rates, eliminating the need for manual setup while achieving precise control
Solution Approach 2:
The patent implements a feedback mechanism where sensors continuously monitor atomizer performance parameters and transmit this information to a controller, which automatically adjusts solenoid valve positions to maintain optimal lubricant delivery, thereby improving setup precision without increasing operational complexity
2Device complexity
If manual troubleshooting is used for malfunctioning atomizers, then device complexity is reduced, but productivity is worsened
Solution Approach 1:
The patent implements a feedback mechanism where sensors continuously monitor atomizer performance parameters and transmit this information to a controller, which automatically adjusts solenoid valve positions to maintain optimal lubricant delivery, thereby improving setup precision without increasing operational complexity
Solution Approach 2:
The patent introduces a wireless communication network as an intermediary between sensors, controllers, and operators, enabling real-time transmission of diagnostic data and remote monitoring of atomizer health status, which significantly improves troubleshooting efficiency while keeping the overall system architecture manageable
3Loss of information
If wireless communication modules are added to each atomizer, then information transmission capability is improved, but device complexity increases
Solution Approach 1:
The patent integrates wireless communication capability into a standardized atomizer module that also includes sensing and control functions, allowing the same hardware platform to perform multiple functions (sensing, control, and communication) without proportionally increasing complexity, as the communication module serves all atomizers uniformly across the network
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
Enables precise control and monitoring of atomizer performance, reducing manual intervention and improving troubleshooting efficiency by providing real-time feedback on nozzle operation and flow rates, thus enhancing the accuracy and reliability of lubricant delivery in die casting processes.
Implementation Method 1
a diagnostic package of computer-executable instructions executed by the microcontroller, the differential pressure sensor and the LED are configured to determine a flow rate during operation and detect plugging within the atomizing portion
Implementation Method 2
a first solenoid valve that opens to allow a lubricating cooling fluid to flow
Implementation Method 3
Embedded lasers ensure that the atomizers are targeted correctly
Implementation Method 4
a radio module that allows each PNVA to communicate over an independent wireless mesh network with an HMI (human machine interface)/PLC (programmable logic controller)
Data Source
AI summary
A programmable networked variable atomizer (PNVA) assembly is provided. In one embodiment, the PNVA assembly includes an atomizing portion. The atomizing portion includes multiple miniature fluid control valves and an air assisted atomizing outlet. The PNVA assembly also includes a PNVA electronic module. The PNVA electronic module includes a microcontroller, at least one pulse width modulation driver, a wireless radio, a differential pressure sensor, and a laser targeting LED.