Thank you for checking this information. The following is what Shenzhen Jinhong Power Switch will introduce in detail how to make LED electronic light box. For details, please visit the following information:
1. The LED electronic light box preparation tools include:
Needle-nose pliers, electric drill, electronic light box tester, electric iron, multimeter, wallpaper knife, hook knife, steel ruler, small scissors, small hammer, hot melt welding torch.
2. Electronic light box materials to be equipped: LED electronic light box controller, organic board or aluminum-plastic board, light-emitting diode, cement resistor, glue stick, solder, wire, aluminum frame and other materials
3, LED electronic light box detailed process (1) first use wooden strip nails a wooden frame with a width of 80cm, a height of 40cm and a thickness of 5cm (or directly use the special profile of the electronic light box, fast and beautiful).
(2) On a flat workbench, cut a piece of 80cm×40cm organic board (3) with a hook knife and a steel ruler into the copy shop and engrave the two words of “smoke and tobacco†with a moderate size. Go to the organic board.
(4) Follow the strokes of the word, center the line, drill holes with electric drill every 1.5cm (φ5mm drill), or according to the actual situation, do not have to stick to the form, the size of the hole can make the front part of the LED Go in, and the back (cap) can't get in.
(5) Insert the light-emitting diodes one by one into the holes. (Note: the positive and negative poles should be connected end to end, twisted by hand, there should be no loose places, or soldering with a soldering iron below 40W)
(6) Calculate the resistance value. The light-emitting voltage of the light-emitting diode is 1.8v to 3.8v (determined according to the voltage of the purchased diode). The key factor is to adjust the working current of each group to 15-20MA. The method of measuring the current is to string the ammeter into the circuit (the safest and quickest method is to use the DW-B electronic light box tester). The number of each group can be determined according to the actual situation. For example, the word "smoke and alcohol" has a total of 230 LEDs, which can be divided into 3 groups, 77, 77 and 76. The current limiting resistor is connected to the negative pole of the controller as much as possible.
(7) In order to prevent rainwater from entering, short-circuiting and other external factors, solder the diode around the diode with a plastic glue gun, and then connect it to the LED electronic light box controller.
4. An example:
Example 1: Do the red "supermarket" two words, flash 6 to 9 times, stop for a few seconds and then flash, surrounded by green chase effect.
Answer: First determine the choice of 5-way controller. "Supermarket" can be connected to the main flash line or long bright line, and the surrounding chase is connected to the three-way running line. If the word "supermarket" shares 280 2.0V white hair red, it can be divided into three groups equally, with about 93 lights in each group. Calculate R current limit = (220V-93 × 2v) ÷ 18MA = 1.89 kilo ohms, about equal to 2 kilo ohms, that is to say, each group of the negative electrode is connected with a cement resistance of 2 kilo ohms, and the latter three groups are connected in parallel, Connect to the output of the controller according to the red positive/yellow negative. It is best to play the table in advance, and the number of chasing points divided into multiples is 12 or 9. For example, a total of 12 × 6 = 72 points. 1.2.3 is connected to the A1 group at the beginning and the end, 4.5.6 is connected to the B1 group at the beginning and the end, 7.8.9 is connected to the C1 group at the beginning and the end, 10.11.12 is connected to the A2 group at the end, ..., 70.71.72 is connected to the D6 group. A1 to A6 are connected end to end to form group A, and B1 to B6 are connected end to end to form group B, ... and so on. A, B, and C groups are respectively connected with a current limiting resistor on the negative pole. The calculation method of the resistance is not repeated. According to the red positive and yellow negative, it can be connected to the three-way running line.
Example 2: Do the four words "clothing batch zero", "clothing" with white hair red, "batch zero" with white hair white. “Clothing†lights up, “Zero†lights up and loops back and forth.
Answer: First determine the DAVID-02P controller. The word "clothing" used 240 2V white hair red, and the "clothing" was divided into 3 groups, each group 240÷3=80. Calculate R1 current limit = (220V-80 × 2v) ÷ 18MA = 3.3 kohm; "batch zero" uses 260 3.3V white hair white, "batch zero" is divided into 5 groups, each group 260 ÷ 5 = 52 One. Calculate R2 current limit = (220V-52 × 3.3v) ÷ 15MA = 3.2 kohm. Connect as shown below.
5. Comparison of energy saving data,
Take an ordinary light box 2 ç› 40 watt fluorescent lamp as an example: 2 ç› 40 watt fluorescent lamp power: 80 watts
LED electronic light box power: 6 watts also use 10 hours a day 2 ç› 40 watts fluorescent lamp power consumption: 80 * 10 = 0.8 degrees electricity costs: 0.8 * 0.5 yuan = 0.4 yuan
LED electronic light box power consumption: 6*10=0.06 degrees electricity and electricity fee: 0.06*0.5 yuan=0.03 yuan 2ç›40 watt fluorescent lamp monthly electricity fee: 0.4 yuan/day*30 days=12 yuan
LED electronic light box monthly electricity fee: 0.03 yuan / day * 30 days = 0.9 yuan comparison: LED electronic light box saves electricity 11.1 yuan per month than 2 ç› 40 watt fluorescent lamp 6, application range: a wide range, involving all industries Head, signboard, simple business introduction, etc. Such as: public words, supermarkets, tobacco and alcohol, department stores, guest houses, hotels, clothing, hardware, Internet cafes, miscellaneous, hospitals, freight and so on.
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