It is not difficult for friends who have used projectors to find a phenomenon, standing next to the projector will feel gusts of hot wind. So, have you ever wondered why the projector gets hot? This article will explain the phenomenon of projector heating and how to effectively dissipate heat.
1. Why does the projector get hot?
A very important part of a projector is the light bulb. One of the first conditions for a projector to have a clear picture is that it must have sufficient brightness, so many projectors have very high bulb power. So when we turn on the projector, the light bulb starts to run in the small space inside the projector. It takes us about two hours or more to watch a movie with the projector, so the long work will make the projector light bulb Generates enormous heat. However, the projector has its own cooling fan.
When the projector generates heat, the cooling fan will also dissipate the heat, so the heat dissipation hole of the projector will discharge a lot of hot air, which is a very normal phenomenon.
Due to the development of the intelligent era, the projector industry has produced many projectors with built-in intelligent systems in accordance with the requirements of most people, which has led to an increase in the accessories inside the projector. When the projector is working, various accessories will generate heat, and the heat of the projector will naturally increase a lot.
However, the heat generated by the above projectors is within the normal range, that is, the heat emitted by the projector is artificially felt as warm. But sometimes when we touch the projector, we feel that the case of the projector is very hot, which may be a problem with the cooling system of the projector. If the projector has been working for too long, for example, the projector has been working continuously for five or six hours, then its heat dissipation rate will be greatly reduced, and the heat accumulation inside can not be eliminated, which will cause the projector's casing to heat up or even become hot. Or the heat dissipation holes of the projector are blocked, resulting in the heat of the projector not being dissipated, and the constant accumulation of internal heat will also cause the body shell of the projector to become hot.
2. How to effectively dissipate heat from the projector
If the projector is not cooled in time, it will cause many problems. From a small point of view, if the projector works under high temperature for a long time, the working efficiency of the projector will be greatly reduced, and the life of the projector will also be shortened. What's more, if the projector is not well dissipated, the heat will continue to increase in the space inside the projector, which will cause the projector's lens, display chip, opto-mechanical and other components to be burned. Therefore, the heat dissipation of the projector must be done well. We can ensure the effective heat dissipation of the projector through the following aspects:
1. Installation environment
When we buy back the projector, whether it is placed directly on the cabinet or various installation methods such as ceiling mounting and wall mounting, the projector needs to be placed in a ventilated environment around the projector, and the surroundings of the projector and the projector's Do not accumulate other debris on your body. We can turn on the projector, feel the location of its cooling vents with our hands, and then place the side of the cooling vents in an open environment. And don't put the projector in a high temperature environment, which is not conducive to the heat dissipation of the projector.
2. Regular cleaning
Since most of the projector's cooling vents are hollowed out, the air circulation will cause a lot of dust to accumulate at the vents. If it is not cleaned for a long time, the air inside and outside the projector will be blocked, that is, the heat dissipation rate of the projector will decrease. , the projector will naturally become hot. Therefore, we need to regularly clean up the dust and debris inside the projector. Generally, we can go to the place where the projector is specially repaired for disassembly and cleaning.
3. Ensure heat dissipation
The continuous working time of the projector should not exceed four hours. As mentioned earlier, the continuous working time of the projector will lead to the weakening of the heat dissipation function. So try not to leave the projector on all day, or never turn it off. When the projector needs to run for a long time, it is best to let the projector rest for about half an hour every four hours, which can cool down the projector and ensure its heat dissipation rate.
In addition, don't rush to cut off the power of the projector when we are not using it, because the cooling fan of the projector will stop working when the power is turned off, so there is no way for the residual heat inside the projector to spread out. We should first use the remote control or the top shutdown button to turn off the projector, wait for the cooling fan to dissipate all the residual heat inside the projector, and then cut off the power.
