LED fluorescent tube installation and cleaning techniques
LED fluorescent tube installation method, the LED lamp bead cleaning
LED lamp is a new thing, but as long as the installation process to do meticulous, careful to make successful products. Some small common sense given below the LED fluorescent tube
The LED installation method
(1) pay attention to all kinds of devices to prevent the outside arrangement, polar installed wrong. The device can not be with the heating element too close, not more than the specified working conditions
Limit.
(2) don't install the LED on pin deformation condition.
(3) when the decision is installed in the hole, the face and circuit board pitch dimensions and tolerances lest stents undue pressure.
(4) the installation of LED fluorescent tube, intended to use to build the guide sleeve positioning.
(5) in the welding temperature returned to normal before, must avoid the LED by any of the vibration or external force.
LED cleaning should pay attention to what?
When use chemical cleaning colloid must be careful, because some chemical damage to the surface of colloid and cause fading such as trichloroethylene,acetone etc.
. Alcohol wipe available, impregnation, time at room temperature should not exceed 3 minutes.
LED proper work and storage temperature:
(1) LED LAMPS light-emitting diode Topr-25 ℃ ~85 ℃, Tstg-40 ℃ ~100 ℃
(2) the LED DISPLAYS display Topr-20 ℃ ~70 ℃, Tstg-20 ℃ ~85 ℃
(3) OUT-DOOR LED LAMPS pixel tube Topr-20 ℃ ~60 ℃, Tstg-20 ℃ ~70 ℃
The following LED products use common sense and LED performance testing:
(1) soldering iron: iron (up to 30W) tip temperature less than 300 ℃; welding time less than 3 seconds; welding position at least 2 mm from the colloid
M.
(2) dip dip: the highest temperature 260 ℃; dip time less than 5 seconds; dip position at least 2 mm from the gel.
Forming method of pin:
(1) to 2 mm from the gel to bend bracket.
(2) stent must be done by professionals or fixture.
(3) stent must finish before welding.
(4) stent should guarantee pins and spacing and circuit board unanimously.
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