The Design of Portable Integration Strengthening Machine

The Design of Portable Integration Strengthening Machine

Li Yuan (Jiangsu Automation Research Institute, China), Ximing Lu (Jiangsu Automation Research Institute, China) and Ruifang Huang (Jiangsu Automation Research Institute, China)
DOI: 10.4018/japuc.2011040107
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This paper investigates briefly the integrated portable reinforcement machine structure design and introduces its design and train of thought. The authors also discuss design methods in engineering applications, as well as how to achieve good heat dissipation effect and enhance the electromagnetic compatibility. The whole machine, with its small volume, good adaptability to environment, and electromagnetic compatibility, can be used as a reference for similar engineering design.
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2. Thermal Design

Here only for this case which involves thermal design from the material selection, structure design and the module design of three parts to be simplify elaborated.

2.1. Material Selection

In the material, antirust aluminum is selected for chassis frame, corrugated plate is selected for heat dissipation in ventilation, which is characterized by not only good solder ability, low prices, but the thermal conductivity and ductility is very good. Chassis panel, cover plate, ribbed all select duralumin, its features is the excellent heat-conducting property and light weight.

2.2. Structural Design

In the structure, integrated portable reinforced computer chassis frame used vacuum brazing, this not only reduces the thermal resistance between the parts, forming a seal channel, improve the external transfer and heat conduction effect, but also improve the chassis seal, electromagnetic compatibility and integrity. While the power module is placed on the chassis of the end, through the heat conducting plate and the chassis close to achieve the purpose of heat dissipation.

2.3. Module Design

All modules within the enclosure housing used aluminum alloy materials which have excellent thermal conductivity, and to be thin as far as possible on the premise of not affecting the strength, thick wall is made of ribs. This can reduce the weight and take heat exchange with air around, the shell takes anodic oxidation blackening treatment, to improve the heat radiation effect. High-power heat element of surface affixed the shell is fixed, and is added rubber pad with heat conduction to accelerate heat radiation.

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