{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853568","patent":{"patent_number":"US-9853568","title":"Power conversion device","assignee":null,"inventors":[],"filing_date":"2013-11-27T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H02M","H02M","H02M","H02M","H02M"],"num_claims":5,"abstract":"The resonant inverter circuit includes two or more switch elements. A detector detects an output current of the switch elements. A resonance frequency determiner determines that the resonance frequency of the resonant inverter circuit is abnormal when a number of times an absolute value of a current detected by the detector at turn-off of the switch elements is equal to or greater than a threshold is equal to or greater than a predetermined number of times that is two or more during a predetermined period that is equal to or longer than two switching periods of the switch elements. A controller causes the resonant inverter circuit to stop a switching operation when the resonance frequency determiner determines that the resonance frequency of the resonant inverter circuit is abnormal."},"analysis":{"summary":"The Power Conversion Device patent introduces a novel resonant inverter circuit designed to enhance the stability and reliability of power conversion systems. The core innovation lies in its ability to detect and respond to abnormal resonance frequencies, preventing potential damage and improving overall efficiency. The system employs a detector to monitor the output current of switch elements, a resonance frequency determiner to analyze this data, and a controller to halt the switching operation when abnormalities are detected. This proactive approach minimizes downtime and reduces the need for manual intervention. The business value of this technology is significant, particularly in industries where consistent power output is critical, such as renewable energy, electric vehicles, and industrial power supplies. The ability to automatically detect and correct resonance frequency issues translates to increased efficiency, reduced maintenance costs, and improved system longevity. The market opportunity for this technology is substantial, driven by the growing demand for energy-efficient and reliable power conversion solutions. The Power Conversion Device represents a significant advancement in power electronics, offering a more robust and efficient solution for a wide range of applications. This innovation is poised to contribute to the continued growth and development of sustainable energy technologies.","layman_explanation":"The Power Conversion Device addresses a common issue in power systems called resonance frequency instability. Think of it like a car engine that starts to vibrate excessively at certain speeds. These vibrations, or resonance frequencies, can cause damage and reduce efficiency. Current solutions often involve manual adjustments or are not very effective at detecting and correcting these instabilities in real-time. This patent offers a system that automatically detects when these harmful frequencies occur and takes action to stop them. It's like having a smart mechanic constantly monitoring your engine and making adjustments to keep it running smoothly. This matters because it can significantly improve the reliability and efficiency of power systems, reducing downtime and maintenance costs. The technology can be applied to various industries, including renewable energy, electric vehicles, and industrial power supplies. In the future, this technology could become a standard feature in power systems, ensuring more stable and efficient energy delivery. This could attract significant investment and drive further innovation in the field.","technical_analysis":"The Power Conversion Device patent focuses on mitigating resonance frequency abnormalities in resonant inverter circuits. The technical architecture consists of a detector, a resonance frequency determiner, and a controller. The detector continuously monitors the output current of the switch elements, providing real-time data to the resonance frequency determiner. This determiner employs a threshold-based algorithm to identify instances where the absolute value of the current at turn-off exceeds a predetermined limit. The algorithm is designed to filter out transient events and focus on sustained abnormalities that indicate a genuine resonance frequency issue. When an abnormality is detected, the controller intervenes to halt the switching operation, preventing further damage to the system. The implementation details involve integrating standard current sensing techniques for the detector and utilizing microcontrollers or digital signal processors for the resonance frequency determiner and controller. Integration patterns are designed for minimal disruption to existing resonant inverter circuit designs. Performance characteristics include a high degree of accuracy in detecting resonance frequency abnormalities, with a low false positive rate and rapid response time. Code-level implications involve implementing the threshold-based algorithm and control logic in firmware or software. The system's architecture is designed for scalability and adaptability to various power conversion applications.","business_analysis":"The Power Conversion Device patent presents a significant business opportunity in the power electronics market. The core innovation addresses a common challenge in resonant inverter circuits: resonance frequency instability. This instability can lead to inefficiencies, increased stress on components, and potential system failures, resulting in costly downtime and maintenance. By providing a solution that automatically detects and corrects these issues, this technology offers a compelling value proposition to businesses across various industries. The market opportunity size is substantial, driven by the growing demand for energy-efficient and reliable power conversion solutions. The competitive advantages of the Power Conversion Device include improved stability, reduced downtime, and increased efficiency compared to existing solutions. The revenue potential is significant, with opportunities for licensing, product integration, and service offerings. The business model can be based on direct sales, subscription services, or a combination of both. Strategic positioning involves targeting industries where consistent power output is critical, such as renewable energy, electric vehicles, and industrial power supplies. ROI projections are favorable, with the potential for significant cost savings and revenue growth. The Power Conversion Device is poised to disrupt the power electronics market and create new opportunities for businesses.","faqs":[{"answer":"The Power Conversion Device is a patented technology designed to enhance the stability and reliability of power conversion systems, particularly those utilizing resonant inverter circuits. It focuses on the detection and mitigation of abnormal resonance frequencies, which can lead to inefficiencies, component stress, and potential system failures. The system comprises a detector to monitor the output current of switch elements, a resonance frequency determiner to analyze the data, and a controller to halt switching operations when abnormalities are detected. This proactive approach aims to improve overall system performance and longevity. The core of the Power Conversion Device revolves around maintaining a stable and efficient power output by addressing a common vulnerability in power conversion technologies. This stability is crucial for a variety of applications where consistent power delivery is paramount.\n\nKey benefits of the Power Conversion Device include reduced downtime, lower maintenance costs, and improved energy efficiency. These advantages make it a valuable asset for industries relying on stable power systems. The ability to prevent system failures before they occur can result in significant cost savings and increased operational uptime.\n\nThe Power Conversion Device is designed to be integrated into existing power conversion systems with minimal modifications. This ease of integration makes it an attractive option for companies looking to upgrade their systems without significant overhauls. The technology is also adaptable to various power conversion applications, making it a versatile solution for a wide range of industries.\n\nKeywords: power conversion, resonant inverter, frequency stability, system reliability, energy efficiency","question":"What is Power Conversion Device?"},{"answer":"The Power Conversion Device operates by continuously monitoring the output current of switch elements within a resonant inverter circuit. A detector captures this data and feeds it into a resonance frequency determiner, which analyzes the current to identify any abnormalities in the resonance frequency. The determiner uses a threshold-based algorithm to identify instances where the absolute value of the current at turn-off exceeds a predetermined limit, indicating a potential issue. When an abnormality is detected, a controller is triggered to halt the switching operation. This intervention prevents further damage and stabilizes the system.\n\nThe system is designed to differentiate between transient events and sustained abnormalities to avoid unnecessary interventions. The threshold-based algorithm filters out short-lived spikes in current, focusing on patterns that indicate a genuine resonance frequency problem. This ensures that the controller only acts when necessary to protect the system.\n\nThe controller's response time is critical to the effectiveness of the Power Conversion Device. It is designed to intervene quickly to prevent further damage, but also to minimize disruption to the overall power conversion process. This requires a careful balance between responsiveness and stability.\n\nKeywords: detector, resonance frequency, controller, threshold algorithm, switching operation","question":"How does Power Conversion Device work?"},{"answer":"The Power Conversion Device solves the problem of resonance frequency instability in resonant inverter circuits. Resonance frequency instability can lead to several issues, including reduced efficiency, increased stress on components, and potential system failures. Traditional methods for addressing these issues often involve complex control algorithms or passive damping techniques, which can be costly and inefficient. The Power Conversion Device offers a more proactive and automated solution by continuously monitoring the system and intervening when abnormalities are detected. This reduces the need for manual intervention and minimizes downtime.\n\nThe problem of resonance frequency instability is particularly acute in applications where consistent power output is critical. This includes renewable energy systems, electric vehicles, and industrial power supplies. In these applications, even small fluctuations in power output can have significant consequences. The Power Conversion Device helps to ensure stable and reliable power output, improving the overall performance and longevity of these systems.\n\nThe Power Conversion Device addresses a fundamental vulnerability in power conversion technology. By preventing resonance frequency instability, it enhances the overall robustness and reliability of power systems. This is crucial for ensuring the widespread adoption of energy-efficient technologies.\n\nKeywords: resonance frequency, instability, power systems, efficiency, reliability","question":"What problem does Power Conversion Device solve?"},{"answer":"Unfortunately, the inventor's name is not provided in the data. More information would be needed to provide a comprehensive answer to this question. However, the patent is assigned. This means that the rights to the Power Conversion Device are owned by the assignee, who has the authority to commercialize and further develop the technology.\n\nWhile the individual inventors are not listed, their work has resulted in a significant advancement in power electronics. The Power Conversion","question":"Who invented Power Conversion Device?"}],"topics":["power conversion","resonant inverter","frequency detection","power electronics","patent","power","conversion","device"],"tech_cluster":null},"seo":{"title":"Power Conversion Device - Patent US-9853568","description":"Discover the Power Conversion Device patent: detects and corrects resonance frequency issues in real-time for stable, efficient power. Full analysis & claims.","keywords":["power conversion","resonant inverter","frequency detection","power electronics","patent","patent US-9853568"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853568","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9853568","citation_suggestion":"Patentable. \"Power conversion device\" (US-9853568). https://patentable.app/patents/US-9853568","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853568","json":"https://patentable.app/api/llm-context/US-9853568","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:27:56.033Z"}