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When it comes to LED bulbs, it is inevitable to talk about heat dissipation. As it is known to all, favourable heat dissipation effect can make sure the LED bulbs are bright enough and extend their service life. To reach a favorable heat dissipation effect in the limited space that LED bulbs live in, that means the maximum junction temperature of LED bulb should be lower than 80 ° C under the temperature of 50 ° C, which is a standard level. Generally the power of car low beam and high beam would be between 40W to 60W, and it would be 80W and even higher of high-end automobile. What’s more, LED chip can change electricity into light, but only 30% of energy can make it and the other 70% turns into heat. Meanwhile, width lamp and turn light work together with them. With heat emitting from all these lights, it is difficult to lower the junction temperature. High junction temperature must bring about short service life. The following picture is about the relationship between junction t

With the decreasing costs of portable video recorders, dash cams have become popular with ordinary drivers for a number of reasons. One of the biggest of these is to record evidence to show your insurance company or the court. If it comes to that in the event of a wreck since it can be hard to determine who's telling the truth and witnesses aren't always available. In fact, many insurance companies now offer discounts to drivers with dash cams, giving drivers and even bigger incentive to buy one. However, which one or what type of Dash Cam should you pick? At first glance, buying a dashcam seems like a pretty straightforward affair since they're just cameras that sit on your dashboard and record everything, however some dash cams have nicer features that can make your life a little bit easier, because dash cams record continuously on a limited amount of storage such as an SD card. A good idea is to get something with a LOOPING function that will automatically

More and more music lovers are high on modifying car audio. Therefore, it is really important to work out an overall soundproof installation.  Here comes today’s topic— Soundproof your vehicle . Primarily, it is necessary explain the principle of car sound isolation and noise reduction. Two ways are available to do the installation.      Firstly, vibration-resistance panel is used to improve the damping coefficient in car and reduce noise from the sound source.      Secondly, sound-absorbing cotton is used to take in noise.  Generally these two ways are combined together--vibration-resistance panel plus sound-absorbing cotton to reach ideal soundproof effect for the reason that sound-absorbing cotton can better bring its superiority into fully play when placing itself on the cavity. Additionally, LF, a kind of mixture material, can be laid on the chassis to drop the noise of low frequency. If you guys want to upgrade your car audio, at least you need to lay out so

It is said that there two kinds of car headlight in the world. One of them is headlight of Audi, the other one is other headlight. Next I will take three kinds of Audi headlight as example to explain why it takes other headlight shine off. 1. The first generation of Audi headlight     Equipped with matrix LED bulbs, the first generation of Audi headlight is able to intelligently detect the road and flexibly light the way with the help of car camera and control software. What’s more, the LED light is closer to daylight, which improves driving safety. 2. The second generation of Audi headlight     Similarly, the second generation also uses matrix LED bulbs, but it combines the newest eagle-eye design, which makes daylight-like light color stand out and become one of the attractions. Most importantly, benefit by the real-time monitoring of car camera and multiply sensors, it can turn off or turn on headlights in groups according to actual situation and distinguish the com

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