Patch Material

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To everyone introduced a 5050 three core patch LED lights make material and patch LED energy-saving

In order to let the electronic lovers and electronic DIY geek can make your own simple patch LED energy-saving lamps, now blogger for the large number of friends have dedicated a patch of production material and energy-saving LED patch LED lamp of simple production process include patch LED energy-saving lamps make a circuit diagram, the following is 10 patch of LED lights make diagram: Figure 1 is a patch of LED lighting lamps and practical circuit diagram, the lamp USES 220 V Power Supply, 220 V ac C1 step-down capacitance buck by the bridge after rectifying again through the filter C2 SFCL R3 series of 10 a patch to provide constant current power LED.

Figure 1 is a patch of LED lighting lamps and practical circuit diagram, the lamp USES 220 V power supply, 220 V ac C1 step-down capacitance buck by the bridge after rectifying again through the filter C2 SFCL R3 series of 10 a patch to provide constant current power LED. Patch rated current of the LED to 20 mA, but we in the production of energy-saving lamps to consider many aspects of factors LED to the influence of the patch, including light failure and heating, the temperature of the Led Light failure and life impact, if not heat easily produce light failure, Because the characteristics of temperature rise is wholesale flashlight current will increase, so in general do when high power lighting cooling problems is the most important, will affect the stability of LED, small power usually take the cooling mode, so in the circuit design current should not be too big. The figure R1 is to protect the resistance, R2 is capacitance discharge C1 put resistance, R3 is SFCL prevent voltage rises and temperature of the current increases LED, C2 is filter capacitance, actually LED circuits can need not filter circuit, C2 lights are used to prevent the impact of the current LED to the damage, the light because of the existence of C1 moment will have a impact. R2 is capacitance discharge C1 put resistance, R3 is SFCL prevent voltage rises and temperature of the current increases LED, C2 is filter capacitance, actually LED circuits can need not filter circuit, C2 lights are used to prevent the impact of the current LED to the damage, the light because of the existence of C1 moment will have a big charge current flows through the current LED will be LED to produce damage, with C2 intervention, the light charge current is completely C2 rose to turn on the light absorbed the impact protection. This circuit is small power light cup of the most practical circuit, take up the Small Size is installed in the space is lesser lights in the cup, right now is light cup products widely adopted. . Advantages: constant current source, power consumption is small, small volume, economic and practical. But when the design should use compression in blood pressure capacitance 400 V above the polyester electricity may be CBB capacitance, filter capacitance will use compression 250 V above. This circuit is suitable for drive 7 to 12 only 20 mA LED the patch

Figure 2 is circuit diagram PCB

The circular board handmade more troublesome, suggest buying finished product board.

The following to introduce production process

Figure 3

The lamp board tin, attention must be even, tin don’t too thin also cannot too thick.

Figure 4

Production tools: (see chart 4)

Tip plier or oblique mouth clamp 1, tempering DianLaoTie take ground, anti-static hand ring, nail clippers, the high quality fine solder wire, high-quality rosin, AB glue, had better have a dc ammeter 50 mA (not using a multimeter to replace).

Choose patch LED

Patch should choose high brightness LED, the product brightness: 5050 white led strip

MCD (pure white light), voltage: 3.2-3.4 V, current: 20 MA, welding temperature: 250 light Angle: 120 color temperature: 5500 K.

Installation patch welding LED:

Will install face on board, will stick piece LED polarity direction put, pay attention to patch the front has a horn LED a gap, gaps for positive feet, with a total of six feet), the installation way should be consistent, do not put the patch is one-way LED because the conductivity of the circuit is a series circuit, as long as there is a group with the lights will not light.

Six feet in just a tin, with the hand fixed patch will be LED by welding, welding with 30-35 W soldering pen and ground, welding Temperature Control in 240 degrees within the time no more than 2 seconds. Such light board even if assembled finished. (figure 5)

Figure 5

Then, the assembly the power, the power of welding more simple welding success in the following figure, because the lamp in a limited space, components to do the arrangement to reduce the volume is easy to install. (figure 6)

Figure 6

The power and light board after welding can be wiring the test.

Figure 7

See, is not very bright ah, ha ha

Do the current test:

Figure 7

Test current for 14 mA, can meet the requirements.

Below to begin the finished product assembly LED lamps patch, power board has a hole in the light cup has a small cylindrical Angle, the power the hole of the board at the small cylindrical insert, with DianLaoTie heating cylindrical fixed firmly some more.

Figure 8

Figure 9

Figure 10

The last match well with AB glue in the edge of the light cup figure to put the board install in a few minutes the glue is curing pressure. Such a practical patch is making good energy-saving LED to use.

Make note: because patch of static electricity is 5050 white led strip

very sensitive, electrostatic easily on the patch LED is caused damage, light is slow performance, heavy then cause patch LED reverse breakdown short circuit, so in contact patch when LED will be done static electricity protective, wear anti-static hand ring, the use of antistatic soldering pen, common solder iron must the ground. Conditional still need to use prevent static radio pad.

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