Several easy-to-water outdoor LED floodlights production precautions and precautions
LED outdoor floodlights , large and small TVs, large and small pillows are very old products, and are also very demanding products, but such old products are smaller than other suns, round heads, plum lights and more. Older backpack lights, etc., the size of the TV and the size of the pillow market reaction is the easiest to enter the water, and once the water into the water, the life of the product will inevitably decrease, depending on how much water enters the lamp, the time of the dead light is different, the faster the more Some manufacturers return the water inside the lamps filled with water, and the lamp beads are oxidized to cause an open circuit when energized. 
Let's discuss the reasons for the outdoor LED floodlights in the factory production experience:
1. The contact surface between the glass and the outer casing seeps water.
At this stage, the glass of the four projectors, which are equipped with large and small TVs and large and small pillows, are made of a layer of waterproof glue on the outside of the glass. (Most of them are manually operated, the glue is interrupted, the amount is insufficient, and the glue concentration is not enough. If the installation glass is not pressed, and the glass is moved after the glass is installed, the contact surface will seep, especially in the case of the sunlight, the temperature rise of the lamp itself, the low temperature of the northern customers, etc. This step has not been handled well during the production process (some products may still have water seepage, water ingress, etc. after the factory test is OK).
Assembly notes:
1. When installing glass, be sure to use glue with sufficient concentration to pass the quality;
2. Before installing the glass, check whether the glue has a fault. The glue must exceed the contact surface of the housing and the glass contact surface by 2±0.5MM;
3. When installing the glass, press the glass into place with the edge.
2. Before installing the glass, check whether the glue has a fault. The glue must exceed the contact surface of the housing and the glass contact surface by 2±0.5MM;
3. When installing the glass, press the glass into place with the edge.
Second, the screw holes on both sides of the plug are seepage, and the plug is in contact with the outer casing.
The hole in the screw hole is the most easy to be announced by the manufacturer. There are several reasons for the water seepage into the water:
1, the quality of the shell caused by the screw sliding teeth (large hole, poor material);
2, the screw quality is poor, causing the screw head flower;
3, the plug screw hole has a batch of front, the screw is not in place;
4. There is a front end on the contact surface between the plug and the outer casing, and there is still a gap between the plug and the outer casing when the screw is locked;
5. When the screw is locked, the sealing ring of the plug is offset (due to the extrusion of the screw, the extrusion of the outer casing and the plug);
6, the electric batch torque is too small.
2, the screw quality is poor, causing the screw head flower;
3, the plug screw hole has a batch of front, the screw is not in place;
4. There is a front end on the contact surface between the plug and the outer casing, and there is still a gap between the plug and the outer casing when the screw is locked;
5. When the screw is locked, the sealing ring of the plug is offset (due to the extrusion of the screw, the extrusion of the outer casing and the plug);
6, the electric batch torque is too small.
Assembly notes:
1. Before installing the sealing ring, check whether the contact surface between the plug and the outer casing and the screw hole position have a front end. Select the defective product and install the sealing ring. The sealing ring must be installed in place, and the fixing glue is evenly and appropriately;
2, the lock screw station self-checking slippery teeth and screw head flower is bad;
3. Confirm the torque of the screw and fix it before assembly.
1. Before installing the sealing ring, check whether the contact surface between the plug and the outer casing and the screw hole position have a front end. Select the defective product and install the sealing ring. The sealing ring must be installed in place, and the fixing glue is evenly and appropriately;
2, the lock screw station self-checking slippery teeth and screw head flower is bad;
3. Confirm the torque of the screw and fix it before assembly.
For the phenomenon of water seepage in the screw hole, many factories now add a sealing ring to the screw to reduce the defect, but the most insured is to make every operation and make it in place. See the following figure for details:
The above is the production experience of the factory. I hope that everyone can propose more and better ways to prevent the problem of water seepage.
In the production process, the manufacturer has made anti-influence and water leakage treatment for the floodlights. What should consumers pay attention to during the installation of LED floodlights?
1. The lamp is designed to be waterproof and moisture-proof, and its protection level can reach IP65. It can withstand the test of rain from top to bottom but can not be submerged under water, and its protection level does not meet the requirements of underwater work.
2. The position where the luminaire is installed must have sufficient capacity to withstand the load of 10 times the weight of the drive.
3. The working power supply of the luminaire is high-voltage alternating current. It should be away from the places that people can easily reach, and the grounding treatment of the luminaire should be done.
4. The luminaire is a power type device and is very sensitive to the ambient temperature. When the working environment temperature is higher than 45 °C, its life will be significantly reduced, accompanied by surface signs of severe light decay. Therefore, the luminaire should be placed in a ventilated and ventilated place to keep the lamp in a relatively good thermal environment.
5. The working environment temperature of the luminaire should be between -25 °C and +45 °C. The temperature in the workplace must not exceed 45 ° C to ensure the life of the lamp.
6. Since the power of the lamp is relatively large, the power cable should be selected according to the actual power when the power cable is laid. And phased power supply.
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