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What’s a harsh atmosphere?
A harsh atmosphere usually consists of situations of utmost temperature, together with each intense warmth and extreme chilly, which might trigger difficulties for human endurance. When contemplating energy provide, a harsh atmosphere will be characterised as an atmosphere the place the facility provide would possibly encounter elements like warmth, moisture, cosmic rays, and vibration. Successfully managing thermal situations constantly presents a prevalent problem for energy provides working in such difficult environments.
Main cooling methods for energy provides:
There are three most important strategies for cooling energy provides:
Pure convection:
When an influence provide is heated, the encompassing fluid (like air) turns into hotter and fewer dense. This causes the fluid to rise, like a scorching air balloon. Because the fluid rises, cooler fluid from the environment flows in to exchange it. This creates a pure circulation sample that helps to chill the facility provide.
Compelled air cooling:
Compelled convection is a technique of warmth switch that makes use of mechanical units, resembling followers, to maneuver the fluid over the floor of an influence provide. This enhances the pure convection course of, which is the motion of fluid on account of variations in temperature. The elevated motion of fluid helps to switch warmth away from the facility provide extra shortly, which helps to stop it from overheating.
Conduction cooling:
Conduction cooling is a manner of warmth switch that happens when two objects at completely different temperatures are in direct contact with one another. The warmth from the warmer object is transferred to the cooler object (steel case) by means of molecular interactions, with out the involvement of fluid movement.
From the desk above, it may be seen that performed cooling could be essentially the most cost-effective and dependable answer, making it superb to be used in harsh environments.
How can a fanless energy provide be designed?
Historically, industrial energy provides have used on-board heatsinks or U-channel chassis to dissipate warmth. This fundamental construction is proven in Fig.1. Nevertheless, this technique of warmth dissipation shouldn’t be at all times efficient, as the vast majority of the warmth nonetheless stays within the energy provide or system. This will have a big influence on total system reliability and over-temperature safety.
The answer to this downside is to successfully switch the warmth supply to the skin of the system. The warmth generated by energy provide primarily comes from crucial elements resembling energy units, magnetics, and capacitors. By mounting these elements immediately onto a steel base (baseplate) and attaching them to the steel case of the system, warmth will be efficiently delivered to the skin. The next Fig.2 reveals one of many examples and the way the idea works.
To switch warmth from energy provides to the skin of the system, mount the crucial elements (resembling energy units, magnetics, and capacitors) immediately onto a steel base (baseplate) and fasten it to the steel case of the system. This can enable the warmth to be efficiently delivered to the skin. Fig.2 reveals one of many examples and the way the thought works.
The CFM500S collection makes use of baseplate cooling to dissipate warmth. Customers can add an additional steel plate with dimensions of 480mm * 248mm * 1.2mm underneath the baseplate to additional improve the warmth dissipation efficiency. Please check with the photographs beneath for set up directions and extra particulars will be discovered within the official utility be aware.
The CFM500S collection can ship 500W (full load) with no fan when used with the baseplate cooling answer. The ability derating curve is proven beneath:
Conclusion
Cincon’s AC-DC fanless energy answer, accessible in open-frame, cowl, and brick varieties, fits numerous programs, providing 70W to 750W energy vary. The baseplate cooling know-how enhances energy density and warmth dissipation efficiency in fanless and high-temperature situations, making Cincon the best alternative for these options.
Verify the product portfolio and call gross sales@cincon.com.tw for extra assist.
ITE/Industrial Fanless Energy Provide:
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