Inverter With RFID Battery Detection And Voltage Selection
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Solution Overview
Problem
There is a need for an inverter that efficiently converts energy from high-power battery packs into user-desired output voltages, particularly for mobile devices requiring both AC and DC power, while being compact and portable.
Innovation Solution
The inverter includes a case with a receiving part for the battery pack, a control part for voltage conversion, and external terminals for output, featuring a power selection part, voltage selection part, and RFID communication for identifying the battery pack and detecting voltage levels, allowing conversion of DC to AC or DC power and providing selectable output voltages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a high-power battery pack with high-energy density is used to create a large capacity battery pack by connecting multiple secondary batteries in series, then the power output capability is improved, but the device size and weight increase
Solution Approach 1:
The battery pack is divided into multiple individual secondary batteries connected in series, allowing the system to achieve high power output while maintaining a compact form factor. Each battery unit can be independently sized and arranged to optimize both power delivery and weight characteristics.
2Adaptability or versatility
If an inverter is designed to convert battery pack energy into user-desired output voltages for mobile devices, then the versatility and adaptability are improved, but the device complexity increases
Solution Approach 1:
The inverter is designed with multiple output terminals that can provide different voltage levels (e.g., 5V, 12V, 24V) and both AC and DC output capabilities. This multi-functional design allows a single device to serve multiple mobile devices with different power requirements without requiring separate conversion circuits for each voltage level.
3Measurement precision
If the inverter includes multiple selection parts and communication modules for identifying battery packs and detecting voltage levels, then the measurement precision and control accuracy are improved, but the device complexity increases
Solution Approach 1:
The inverter incorporates an RFID receiver that automatically identifies and communicates with the battery pack when placed in the receiving part. The system autonomously detects battery voltage levels, capacity, and compatibility without requiring manual input from the user. The control part automatically adjusts operating parameters based on the detected battery characteristics, eliminating the need for complex manual configuration circuits.
4Ease of operation
If the inverter is designed for portable use with a compact case and external terminals, then the ease of operation and portability are improved, but the internal space for components is reduced
Solution Approach 1:
The battery pack is designed to nest directly into the receiving part of the inverter case, with the connection part integrated into the battery pack structure itself. The external terminals are positioned on the case exterior to eliminate the need for internal terminal housings. This nested arrangement maximizes the use of available space while maintaining a compact portable form factor.
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 inverter effectively converts battery pack energy into user-required power, ensuring efficient and portable power supply for mobile devices, supporting both AC and DC outputs with voltage selection, and providing a compact, lightweight design for outdoor or movement use.
Implementation Method 1
a control part disposed within the case to convert a voltage of the battery pack into a preset output voltage
Implementation Method 2
The battery pack may include a radio-frequency identification (RFID) transmitter, and the control part may include an RFID receiver communicating with the RFID transmitter
Data Source
AI summary
Disclosed is an inverter that supplies power using a battery pack mounted on a mobile device. The inverter includes a case having a receiving part in which a battery pack is to be received, a control part disposed within the case to convert a voltage of the battery pack into a preset output voltage, and an external terminal disposed outside the case. The output voltage converted by the control part is output through the external terminal.