Precautions for using finned heat sinks
Release time:
2022-06-01 12:00
Source:
The finned heat sink, referred to as a heat sink, is classified as a "passive cooling component" in the field of electronic engineering design. Although it has many advantages, there are also many considerations to keep in mind. Below are some important points to note when using a finned heat sink.
Fin radiatorReferred to as a heat sink, this product is classified as a 'passive heat dissipation component' in the field of electronic engineering design. Although it has many advantages, there are also many precautions to take. Below are some points to note when using a fin radiator.
Fin radiators are made lighter and increase the heat dissipation surface area, resulting in good thermal performance, which is why they are favored by many. They are safer to use. Moreover, after absorbing heat, they dissipate it through convection, and during the convection cooling process, the heat dissipation area is mainly determined by the surface area of the cooling fins. Importantly, they are much better than cast iron radiators in terms of energy saving and environmental protection. However, they have high requirements for the pH value of water during use, so it is important to know that they are prone to oxidation, which can lead to corrosion of the radiator and reduce its lifespan. Experiments show that the corrosion of fin radiators is caused by bacteria. In humid environments, some anaerobic bacteria can proliferate rapidly, producing large amounts of acid that severely corrode steel. It is important to note that a hole can be corroded quickly within a few months. Therefore, fin radiators should generally be filled with water for maintenance. This means that after stopping heating, you should close the heating return valve and then open the air release valve; at this point, you can release air and then close the water inlet valve. This ensures low oxygen content in the heater, reduces corrosion, and extends its lifespan.
Additionally, when using fin radiators, it is important to understand that after long-term use, dust or contaminants will inevitably adhere to the surface. Therefore, at the beginning and end of the heating season, it is advisable to wipe them with a clean cloth. It is recommended to use a small amount of soapy water for wiping but be careful not to use strong corrosive acidic or alkaline solutions to avoid causing corrosion of the fin radiator. Furthermore, at the end of each heating season, timely systematic cleaning of the fin radiator should be performed to remove scale or sediment caused by poor water quality, thereby extending its lifespan. It is also recommended to carefully check for leaks at the joints after stopping heating. If there is slight leakage, you can tie a towel around it; the towel will absorb water and will not damage the floor and walls in a short time.
Related News
Applications and Prospects of Fin Heat Sinks in Electronics
Explore the importance of fin heat sinks in modern electronic devices and their future development trends.
Application fields of heat sinks
As an indispensable part of the thermal management system, radiators have a wide range of applications.
How much do you know about finned heat sinks?
The characteristics of finned heat sinks are that the fins break through the original proportional limitations, resulting in good heat dissipation effects, and different materials can be used to make the fins. The drawbacks are also quite obvious, as the heat sink and the base are bonded with thermal paste and solder, which can cause interface resistance issues that affect heat dissipation. To improve these shortcomings, two new technologies have been applied in the field of heat sinks.
Introduction to the characteristics of finned heat sinks.
The finned heat sink is a device used for electronic components that are prone to heating in electrical appliances. It is made of aluminum alloy, yellow or bronze, and comes in plate, sheet, or multi-sheet shapes. For example, the CPU in a computer requires a considerable size, and the power tubes, line tubes, and amplifier tubes in televisions all need to dissipate heat. Typically, a layer of thermal grease should be applied to the contact surface of the electronic components to more effectively conduct the heat generated by the components, which is then dissipated into the surrounding air.
Introduction to the advantages of finned heat sinks
The finned heat sink primarily achieves heat dissipation through conduction, involving dielectric heat sinks that are in direct contact with the processor. After absorbing heat, it dissipates through convection. During the convection process, the area is mainly determined by the surface area of the fins. Common methods used in the industry include: increasing the number of fins and increasing the length of the fins. One of the reflected data points is the 'thickness ratio', which is the ratio of fin thickness to its height.
Introduction to finned heat sinks
The finned heat sink primarily achieves heat dissipation through conduction, involving a medium heat sink that is in direct contact with the processor. After absorbing heat, the heat sink dissipates it through convection. In the convection heat dissipation process, the heat dissipation area is mainly determined by the surface area of the heat dissipation fins. The larger the surface area, the better the heat dissipation effect. The smaller the surface area, the worse the heat dissipation effect.
Privacy Policy | SEO | CitySite | Support:300.cn Dongguan