Intelligent-identification quick-charge electric blanket
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Solution Overview
Problem
Conventional electric blankets face challenges in quickly identifying a quick charge source, complicating their structure and increasing maintenance costs due to the integration of quick charge identification devices, which are replaced as a whole when damaged.
Innovation Solution
An intelligent-identification quick-charge electric blanket integrates a connecting cable with an input module, output control circuit, main control circuit, and USB interface, allowing for a pluggable design that simplifies the structure and facilitates replacement, while incorporating a junction box for orderly wiring to enhance data transmission reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a device for quick charge identification is disposed on the electric blanket, then the electric blanket can quickly identify a quick charge source, but the overall structure of the electric blanket is complicated
Solution Approach 1:
The patent divides the quick charge identification function into a separate connecting cable with an integrated input module, main control circuit, and USB interface. This segmentation allows the electric blanket body to remain simple while the quick charge functionality is isolated in the removable cable, resolving the contradiction between quick charge capability and structural complexity.
2Productivity
If the device for quick charge identification is integrated into the electric blanket, then the quick charge function is achieved, but the maintenance cost increases due to whole replacement when damaged
Solution Approach 1:
By separating the quick charge identification circuitry into the connecting cable, the patent enables independent replacement of the cable module without replacing the entire electric blanket. This significantly reduces maintenance costs while preserving the quick charge function.
Solution Approach 2:
The patent extracts the main control circuit supporting quick charge protocol and USB interface from the electric blanket body and places them in the connecting cable. This extraction allows the expensive blanket to be preserved while only the cable needs replacement if damaged.
3Volume of moving object
If multiple wires are twisted together in the electric blanket body, then the wiring is compact, but wire crosstalk occurs reducing data transmission reliability
Solution Approach 1:
The patent separates power transmission and data transmission functions into different cables or isolated pathways. The connecting cable for quick charge uses dedicated shielding and routing that prevents crosstalk, ensuring reliable data transmission while maintaining compact overall design.
Data Source
AI summary
An intelligent-identification quick-charge electric blanket includes an electric blanket body, a manual operation button module and a connecting cable for a quick charge power source. The connecting cable includes an input module, a cable body, and an output port. The input module includes an output control circuit, a main control circuit, a power supply circuit, and a USB interface. The electric blanket simplifies the structure of the electric blanket body. It is convenient for subsequent replacement of the quick charge identification function or the electric blanket body, thereby reducing the maintenance cost.