Portable electric inflator
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Solution Overview
Problem
Conventional portable electric inflators face challenges in improving inflation efficiency while minimizing heat and noise generation, and they often have aesthetic and functional issues such as visible cooling elements and susceptibility to dust and foreign objects.
Innovation Solution
A portable electric inflator with a housing covered in a cloth material that provides anti-slip, dust-proof, water-repellent, and heat-insulating properties, along with a compact design and hidden ventilation holes for improved aesthetics and functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the output rotational speed of the motor is increased to improve inflation efficiency, then the inflation time is reduced, but the heat and noise generation increases
Solution Approach 1:
The patent introduces a heat dissipation component as an intermediary between the motor and the external environment. This component mediates the heat transfer process, allowing efficient heat removal without requiring the motor to operate at excessively high temperatures, thus resolving the contradiction between high-speed operation and heat management
Solution Approach 2:
The patent employs a thin-walled housing design that acts as a thermal management system. The thin walls facilitate heat dissipation from the motor and cylinder while maintaining structural integrity, enabling the motor to operate at high speeds without excessive heat accumulation
2Temperature
If cooling holes or metal cooling fins are arranged on the housing to dissipate heat, then the heat dissipation efficiency is improved, but the appearance complexity increases
Solution Approach 1:
The patent uses a thin-walled housing structure that inherently provides heat dissipation capability through its thin walls, eliminating the need for additional cooling holes or metal fins. This maintains the housing's aesthetic appearance while achieving effective thermal management
Solution Approach 2:
The patent changes the thermal parameters of the housing by using thin wall construction and selective material placement, allowing the housing itself to serve as a heat dissipation component without requiring visible cooling features, thus resolving the contradiction between heat dissipation and appearance
3Temperature
If heat dissipation holes are provided on the housing to cool the surfaces, then the cooling effect is improved, but the dust-proof performance deteriorates
Solution Approach 1:
The patent introduces a dust cover as an intermediary component that selectively allows heat dissipation while blocking dust entry. The dust cover with its aperture arrangement mediates between the need for thermal management and the need for internal component protection, resolving the contradiction between cooling and dust-proofing
4Ease of manufacture
If the housing material is made smooth for ease of cleaning, then the cleaning convenience is improved, but the grip performance deteriorates
Solution Approach 1:
The patent applies different surface qualities to different parts of the housing. The main body maintains a smooth surface for ease of cleaning, while specific grip areas feature textured or patterned surfaces that provide enhanced user grip without compromising the overall cleaning convenience, thus resolving the contradiction between these two requirements
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 cloth-covered inflator enhances user grip and prevents dust entry, while providing effective heat insulation and noise reduction, resulting in improved user experience and extended service life.
Implementation Method 1
the cloth 50 has heat-insulating characteristics, so the cloth 50 can be used to cover the housing 40... the cloth-covered inflator enhances user grip and prevents dust entry, while providing effective heat insulation
Implementation Method 2
providing effective heat insulation and noise reduction, resulting in improved user experience
Implementation Method 3
the cloth 50 has anti-slip characteristics... enhances user grip
Implementation Method 4
the cloth 50 has dust-proof characteristics... prevents dust entry
Implementation Method 5
the cloth 50 has water-repellent characteristics
Data Source
AI summary
A portable electric inflator includes: a core assembly including a motor and an air compressing mechanism, the motor configured to drive the air compressing mechanism to compress and discharge air; a housing defining a receiving space for accommodating the core assembly, and having an external surface that defines a display receiving hole and a number of through holes communicating with the receiving space; a cloth in full contact with and covering the external surface of the housing, the cloth defining an opening, an edge of the opening extending from a junction of the display receiving hole and the external surface of the housing into the housing, forming a side surface covering portion that is in contact with an inner side surface of the display receiving hole; and a display received in the display receiving hole, the display comprising a lateral surface abutting against the side surface covering portion.