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Are there any differences between negative ion bulb and LED bulb?
- Negative ions should belong to traditional lighting technology, LED is the latest lighting technologys
Is there any flicker in the LED bulb?
- First of all, I want to know what kind of LED bulb you bought. Is the LED light source small power or high power?Now on the market LED products, copycat too much, but also a lot of difference between quality and price, because the power output strobe filtering problem. Because the lowest requirements so the power design is very simple, such as shell is small power ball type PVC foam, with isolated power so far I saw several, but the price is very high, and most with the rectifier bridge, several rectifier diode, a capacitor, resistor several complete, low prices. High power type bulb is similar, but the power will be much better, is the constant current source in the output current of the filter is also doing well, there the strobe is low! Finally, the stroboscopic problem is on the power supply, and the power point difference is higher than one or two!!s
Seeking the production process of LED bulb... Thanks
- 10 points, Baidu wants to be a LED engineer. LZ is a real budget mans
LED can the bulb be used in the bathroom?
- Ordinary bulbs can be used in the bathroom, the bath water, protection grade ordinary bulb is not high, it is easy to make when water vapor lamps or rust element short circuit failure and cause some accidents. The bathroom is suggested by the power supply lamp, lamp waterproof plate etc..s
What are the characteristics of LED bulb?
- Life is more than ten times longer than incandescent, power consumption is 1/2 of ordinary light bulbs, fast response, generally 10-7 - 10-9s, color clear, recognizable performance, good vibration resistance, now the price of LED lamp is relatively highs
What's the cause of the noise during the aging of LED bulb bulbs?
- The power supply LED bulb using miniature low power switching power supply, switching transformer due to loose, and the switching frequency did not avoid the audio area, it will beep.s
What's the reason for the LED bulb strobe?
- Common causes and treatment of LED light flashing:Generally, the human eye can detect light flashes with frequencies up to 70 Hz, which are not sensed above this frequency. Therefore, in LED lighting applications, if the pulse frequency appears below 70 Hz low-frequency components, the human eye will feel flashing. Of course, in specific applications, there are a variety of factors that may cause LED lights to flicker. For example, in offline low power LED lighting applications, a common power topology is an isolated flyback topology.s
What advantages does LED bulb replace energy saving lamp?
- The LED lamp is solid-state lighting, if all LED lamps a year remaining nearly three electric power Three Gorges hydropower station, the country.s
How do traffic light cameras work
- Traffic light cameras, as the name implies, is the traffic light cameras, of course, not every intersection will be installed. This is to prevent people who do not obey the traffic...
What's led recessed downlight
- Led recessed downlight can be used at Office lighting, home lighting, Commercial shops, hotels, exhibition halls, art gallery, Museum, and so on.Specifications and product descript...
Cheap led downlights become more and more polular
- They are one of very few specialist "fibre optic" lighting suppliers left in the country, our knowledge and experience in this fields is second to none hence the increase...
How big is a traffic light
- Traffic light is everywhere in our daily life. Every day you drive your car to commute, you will find out a traffic light on street. It is so familiar in our life, so that everyone...
How does traffic light sensors work
- How does traffic light sensors work? This must be a question that has been ignored by people who drive to work everyday, because it is too familiar to trigger your curiosity. Nowad...