Cordless Iron Stand Alignment for Reliable Power Contact
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Solution Overview
Problem
Cordless irons face issues with unreliable electrical connections between the power receiving terminals and electrodes due to careless placement, making it troublesome for users to achieve a stable power supply.
Innovation Solution
A cordless iron design featuring a concave power receiving portion with protruding terminals, a stand with a convex power supply portion, a support portion with a slit and guide, and a bulged portion to ensure precise alignment and secure electrical connection, guiding the power receiving portion to the correct position on the stand.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the iron body is placed on the stand, then the power receiving terminals and electrodes are electrically connected, but the connection is unreliable when placed carelessly
Solution Approach 1:
The support portion with slit and guide portion act as intermediary elements that mediate between the power receiving portion and power supply portion. The guide portion guides the support portion into the slit, ensuring proper alignment and reliable electrical connection without requiring careful manual placement by the user.
Solution Approach 2:
The alignment mechanism enables the power receiving portion to automatically align with the power supply portion when placed on the stand. The guide portion and slit work together to self-correct misalignment, allowing the iron body to achieve reliable electrical connection through simple placement without requiring user skill or attention.
2Manufacturing precision
If the power receiving portion and power supply portion are fitted together, then electrical connection is achieved, but precise alignment is difficult to achieve
Solution Approach 1:
The support portion with slit and guide portion serve as intermediary alignment mechanisms. The guide portion protrudes to guide the support portion into the slit, providing a simple yet effective alignment solution that ensures precise positioning of the power receiving portion relative to the power supply portion without complex mechanisms.
3Temperature
If the iron body is frequently placed on the stand during ironing, then the pressing surface temperature can be maintained, but the electrical connection may become unreliable
Solution Approach 1:
The alignment mechanism with guide portion and slit enables the power receiving portion to automatically self-align with the power supply portion each time the iron body is placed on the stand. This ensures that even with frequent placement during ironing operations, the electrical connection remains reliable and the pressing surface temperature is consistently maintained.
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
Ensures reliable and stable electrical connection between the power receiving terminals and electrodes, improving usability and preventing overheating by maintaining efficient heat dissipation and maintaining the temperature of the pressing surface during ironing.
Implementation Method 1
the iron body equipped with a heater for heating the pressing surface
Implementation Method 2
the power receiving terminals of the power receiving portion and the electrodes of the power supply portion are electrically connected to each other
Data Source
Figure 1
Figure 2
Figure 3
AI summary
An iron body includes a concave power receiving portion at the rear portion of a grip and power receiving terminals in the power receiving portion. Stand 16 includes seat 17 where iron body is placed with the front inclined upward, convex power supply portion 18 at the rear portion of seat 17, and electrodes in power supply portion 18. A support portion protruding vertically rearward is formed in the power receiving portion, slit 23 where the support portion is fitted is formed on the top of power supply portion 18, guide portion 18a inclining toward slit 23 and guiding the support portion is formed at the front of power supply portion 18, and bulged portion 18b protruding in an arc shape toward power receiving portion and guiding the power receiving portion is formed at the lower portion of the front of power supply portion 18. When iron body is placed on stand 16, the power receiving portion is guided to a correct position of power supply portion 18 by guide portion 18a and bulged portion 18b, such that the power receiving terminals and the electrodes are reliably electrically connected.