How does the LED display prevent condensation?
How does the LED display prevent condensation?
How does the LED display prevent condensation? Users of LED displays know that moisture condensation is a big killer to screens and especially some connection parts that are not water-proof. Although it will not suffer from rain, it can‘t avoid moisture condensation. If the screen got water, it is most likely to corrode these parts. Over time, it will directly affect the use of LED displays.
In some cities with high humidity, moisture condensation occurs easily on circuit boards and parts due to the dramatic change of temperature. Water droplets condensed inside will easily cause permanent damage to interior parts. Under such circumstances, the service life of LED displays can be shortened from 30% to 50%, causing great damage to the company.
How does the LED display prevent condensation? thus improving the service life of screen circuit boards and saving repair costs has become a major problem in the quality of LED displays. Therefore, in view of frequent moisture condensation and short service life of indoor and outdoor LED displays in harsh environments, the editor has prepared relevant solutions for all of you.
- Moisture proofing of outdoor LED displays.
- Moisture proofing of indoor LED displays.
Moisture proofing of outdoor LED displays.
How does the LED display prevent condensation?
How does the LED display prevent condensation?
Solution 1: For condensation proofing of outdoor LED displays (apply conformal coating)
The application of many outdoor LED displays in our country has not dealt with the protection of circuit boards, thus the moisture condensation of outdoor LED displays exists on a wide level. By targeting this problem, we have found that applying conformal coating can not only prevent the condensation on circuit boards but also increase the service life of products.
The principle of the solution is mainly to attach a layer of conformal coating with micron-level thickness to the surface of the circuit board through low-concentration micron-level coating technology. As the layer has an extremely low surface tension, the dew on the circuit board will automatically slide off, thus preventing it from.
What are the matching coatings?
Conformal coating describes a non-conductive protective coating consisting of a material that protects circuit boards and electronic products from environmental corrosion caused by moisture, dust, and temperature extremes. As the name implies, the coating takes the shape and plane of the circuit board components.
Matching paint serves two purposes, It is a protective shield as well as an insulator for printed circuit boards (PCBs) and is therefore suitable for use on boards that are often exposed to harsh environments.
Moisture condensation Benefits of matching paint
insulation
Being a non-conductive layer, it acts as an insulator and reduces the distance between conductors due to the increased dielectric strength.
Prevents corrosion
The conformal coating acts as a barrier against potential contaminants such as moisture, fungus, dust and salt spray and thus prevents corrosion.
Protects against thermal and mechanical stress
It provides protection against damage caused by rough handling during installation by reducing mechanical and thermal stress.
Enhances reliability
Coating helps extend the lifespan of circuit boards and other electronics and thus improves their reliability.
Double serve
Conformal coating reduces the need to install complex, intricate enclosures used to protect circuit boards.
Lightweight
The matching coating is a thin layer of protection; thus, it has little effect on the weight of the circuit board.
High resistance
Matching coatings are resistant to various types of solvents and chemicals as well as heat.
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Solution 2: For condensation proofing of outdoor LED displays (electrical heating)
Electrical heating requires to add condensation proofing devices inside LED displays; to keep the temperature inside higher than the ambient temperature outside, and to keep low the relative humidity inside as much as possible. In doing so, moisture condensation inside the panel can be completely prevented.
Moisture proofing of indoor LED displays.
How does the LED display prevent condensation?
As indoor air humidity is lower than outdoor air humidity, dust prevention of indoor LED displays is much easier than that of outdoor LED displays. In order to avoid the abnormal operation of LED displays caused by indoor air humidity, the following methods can be adopted to reduce humidity.
Regulate ventilation
Ventilation devices are often installed to the LED displays. It can help moisture evaporate quickly and reduce the indoor relative humidity. However, it will increase indoor humidity if the weather is humid at where has no wind or air circulation.
Apply desiccant indoor
It reduces the moisture in the air and keeps the indoor environment dry through physical absorption of moisture, so you don’t have to worry about the screen being affected by damp. The environment of outdoor LED displays is more complex than that of indoor displays.
The moisture-proofing of indoor LED displays, of course, should be applied well. You can also resort to some extra measures. However, the protection of outdoor screens needs to stress not only the problem of humidity but also the daily water-proof maintenance.
Fine sealing installation can help reduce the risk of adhesion of water and dust inside and outside the screens. Regular cleaning of screens can also help the cooling and reduce the adhesion of water vapor.
In any case, the most effective method to prevent moisture from damaging the function of displays, whether indoor or outdoor, is to use it often. The operation of the display itself will generate heat and evaporate water vapor, thus greatly reducing the possibility of moisture that often causes a short circuits.
Therefore, the effect of humidity on frequently-used displays is much smaller than that on less-used displays.
How to extend the life of the LED screen
- Provide stable power supply a stable power supply can provide stable voltage, which is not easy to cause local high temperature damage, and ensure the normal operation of the LED board.
- The lamp bead is the key to affecting the life of the LED film mounting screen. When planning a project, certain brands and models of reliable LED lamps, switching power supplies, and other raw materials should be selected.
- Taking heat dissipation as the central work from unit design to project implementation and even system maintenance in the future; reduce LED working current; Configure the LEDs correctly to make each primary LED color attenuate synchronously.
- Outdoor LED panels have a rest time of more than 2 hours every day, and at least once a week in the rainy season. Turn on the screen at least once a month and keep it on for more than two hours.
- One of the most important 10 ways to maintain LED display Regularly check whether the anti-corrosion and anti-rust paint has fallen off on the surface of the product and the welding joint of the steel structure. If there is peeling or rust, please spray anti-rust paint or anti-rust paste in time.
- To avoid touching the LED board, we can choose passive protection and active protection. When cleaning the screen, you should also wipe it as gently as possible to reduce the possibility of injury
- .7knowing How does the LED display prevent condensation.
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