Portable Generator Control System for Overload Prevention
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Solution Overview
Problem
Portable power generators lack efficient control mechanisms to manage output parameters such as voltage, current, and frequency, leading to potential overloads and unsafe operating conditions, and there is a need for remote monitoring and control capabilities to enhance user safety and operational efficiency.
Innovation Solution
A portable power generator equipped with a sensor unit, electronic processor, and transceiver that monitors output parameters, controls switches to prevent overloads, and allows remote operation through an external electronic device, enabling real-time monitoring and control of output modes and engine operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a portable power generator provides high power output capability, then it can meet diverse power needs, but it becomes more susceptible to overloads and unsafe operating conditions
Solution Approach 1:
The patent implements a control system with sensors that continuously monitor output parameters (voltage, current, frequency, power) and provide feedback to the processor. When parameters exceed predetermined thresholds, the system automatically adjusts or disconnects output to prevent overloads, enabling the generator to safely operate at high power levels while maintaining reliability
Solution Approach 2:
The system establishes predetermined threshold values for output parameters before operation begins. By pre-configuring safe operating limits and having the control system ready to intervene when thresholds are approached, the generator can operate at high power while preventing unsafe conditions through advance preparation of protection mechanisms
2Reliability
If the generator includes comprehensive monitoring and control mechanisms, then safety and operational efficiency improve, but device complexity increases
Solution Approach 1:
The control system is designed to perform multiple functions through a single integrated processor that handles parameter monitoring, threshold comparison, switch control, and remote communication. This multi-functional approach enables comprehensive safety monitoring without proportionally increasing system complexity, as one controller manages all protection and control tasks
3Ease of operation
If the generator allows remote monitoring and control, then user safety and operational efficiency enhance, but device complexity and communication requirements increase
Solution Approach 1:
The patent incorporates a transceiver as an intermediary component that enables remote communication between the generator and external devices. The transceiver handles all communication functions (transmitting generator status and receiving control commands) through a single dedicated interface, allowing remote monitoring and control while containing communication-related complexity within one specialized component
4Reliability
If the system continuously monitors all output parameters, then overload prevention is maximized, but energy consumption and measurement complexity increase
Solution Approach 1:
The system monitors output parameters continuously but only triggers protective actions when measurements exceed predetermined thresholds. This approach maintains comprehensive monitoring capability while conserving energy by avoiding unnecessary control interventions during normal operation, applying full measurement effort only when needed for safety
Data Source
AI summary
A portable power generator with power monitor and control. The portable generator may include an alternator powered by an engine and configured to generate an alternator output, a first output receptacle coupled to the alternator output through a first switch, and a second output receptacle coupled to the alternator output through a second switch. The portable generator may further include a sensor unit configured to detect at least one output parameter of the first output receptacle. An electronic processor of the portable generator may be configured to receive first sensor signals indicating a measured quantity of the at least one output parameter of the first output receptacle and determine that the measured quantity exceeds a predetermined threshold. The processor may also be configured to disable the first output receptacle in response to determining that the measured quantity exceeds the predetermined threshold.