Guide: With the continuous improvement of living standards, people's requirements for lighting appliances are constantly improving. Therefore, there are many new material styles in the LED lamp industry. These new material styles bring great benefits to our lives. In fact, LED lights are the most common in our lives. How many milliamps are led lights, will it be very power-hungry, the power of led lights is, then the next small series will use this article to give you a brief introduction to how many mAh LED lights are introduced, let's learn together. !
Led light
How many milliamps are led lights?
How many milliamps is the led lamp, how much milliamperes of the LED lamp is determined according to the number of parallel products, under normal circumstances, 300 mA together, how many milliamps there are, how many milliamps are led lights For example, if it is 3, it is 3*300 mAh, and 6 is 6*300 mAh. Therefore, we must pay attention to the parallel quantity of LED products during production and use. For example, the power cord entering and leaving, the current is large. Will be hot, according to the number of parallel products to determine the working current of the product, to select the product in and out of the line and the installation of the main line;
How many milliamps are led lamps, the conventional LED ceiling lamps and LED downlights on the market are generally single-string, that is, the working current is generally 300 mA; street lamps, mining lamps, and now widely used floodlights are generally Take 10W as a string of 14W for a series and then, for example, 100W is set in the floodlights. Now there are 10 series and 10 pairs in the market. The working current of this product is 3 amps, and the street lights are mostly 14 strings. How many milliamps is the led light, for example, the 98W flat street light is 14 series 7 and the current is calculated according to 300 mA. Of course, our actual measurement may be different from this, because the product is wired and the drive has a certain loss. The data may have some error with this data. This is theoretical data.
What is the power of the led lamp?
What is the power of the led lamp? The first one is divided into 0.5W, 1W, 3W, 5W, 10W, ... 100W depending on the power, depending on the total power of the molded product after packaging.
The second can be divided into different sizes according to the packaging process: large-size epoxy resin package, mermaid-type epoxy resin package, aluminum substrate (MCPCB) package, TO package, power SMD package, MCPCB integrated package, etc.
The third type can be classified into low light decay high power products and non-low light decay high power products according to the degree of light decay.
Of course, since the parameters of the high-power LED energy-saving lamp itself are relatively large, there are different classification standards according to different parameters, which are not described here.
Led light
How to calculate the led lamp power
LED power 2V*15mA=30mVA=0.03VA=0.03W
0.03*152=4.56W, the sign power is 4.56W
As for how much electricity to consume, when it is bright, it consumes electricity. When it is off, it does not consume electricity. This flashing light has a frequency. It doesn't say how much time is flashing once, how long is it going to kill?
Let’s start with 40±2 seconds per minute, 24 hours a day.
4.56*24*(40±2)/60=72.96±3.648WH
=0.07296±0.003648KWH (Because there is "±", the last few decimals are imaginary, round off, the error retains 1 significant digit, and the actual data is retained to the error significant digit)
=0.073±0.004 degrees
Another: If 40±2 is only the frequency, the light-off time is the same, the above formula (40±2)/60 is directly replaced by 1/2, and the frequency error has no effect on time.
Example: 1 T10 LED bulb contains 5 5050SMD patches, white, 3v
3V can drive 5 SMDs, indicating that the 5 are basically parallel, 5050 normal light needs 10-40mA, take 20 calculation, then the power is P=UI=5*0.1*3=0.3W
Example: 160 5mm 3.2V high-brightness LEDs are connected in series to a 12V battery.
3.2*0.02*160=10.2W (excluding the power consumption of the series resistor)
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