Hand Warmer Charging Case for Outdoor Power and Multi-Part Heating
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Solution Overview
Problem
Existing hand warmers are inconvenient to charge outdoors and often cannot warm multiple body parts simultaneously.
Innovation Solution
A portable hand warmer charging case with a placement chamber and integrated charging unit that allows for charging the hand warmer unit when placed inside, featuring various connection mechanisms for the cover and main body, and includes a circuit board and battery for powering the hand warmer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing hand warmers are designed to be portable and chargeable via external power supply, then they can be used outdoors, but it becomes difficult to find a power supply to charge them when outdoors
Solution Approach 1:
The patent combines the charging case and hand warmer unit into a single integrated system. The charging case contains a battery and charging circuit that can directly charge the hand warmer unit when placed inside the case, eliminating the need for external power supplies during outdoor use.
Solution Approach 2:
The system is divided into two independent but complementary parts: a reusable charging case with battery and a hand warmer unit. The hand warmer unit can be charged by placing it in the charging case, which provides power through integrated charging contacts.
2Adaptability or versatility
If hand warmers are designed to warm only one hand or one body part, then the device structure remains simple, but it becomes difficult to simultaneously warm both hands or multiple body parts
Solution Approach 1:
The hand warmer unit is designed with universal applicability to warm multiple body parts including both hands, feet, or other areas. The case structure with movable cover and adjustable positioning enables the hand warmer to serve multiple functions and body parts without requiring separate devices.
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 convenient charging of hand warmers outdoors and allows simultaneous warming of multiple body parts by integrating a charging case with a placement chamber and efficient power transfer mechanisms.
Implementation Method 1
the first battery and the first charging unit are electrically connected to the first circuit board
Implementation Method 2
The hand warmer unit is provided with a second circuit board, a heating element, a second battery, and a second charging unit; the heating element, the second battery, and the second charging unit are all electrically connected to the second circuit board
Data Source
AI summary
A portable hand warmer charging case includes a case body. A placement chamber configured to place a hand warmer unit for charging is provided on the case body. The case body is provided with a first circuit board, a first charging unit, and a first battery. The first battery and the first charging unit are electrically connected to the first circuit board. When the hand warmer unit is placed in the placement chamber, the first circuit board is configured to output electrical energy, which is output by the first battery, from the first charging unit; and the first charging unit is configured to be adapted to a second charging unit on the hand warmer unit for use and transmit the electrical energy output by the first circuit board to the second charging unit on the hand warmer unit.