How to clean the outdoor LED display?

The led display screen needs to be cleaned before and after installation. This is a very important link, which can prevent the led display from being unclear, mosaic, and color cast when the screen is black. After the display screen has been in operation for a certain period of time, there will be accumulation of dust and other sundries that affect the display. Regular cleaning and maintenance of the led display screen can prolong the service life of the led display screen and improve the use quality of the led display screen. Therefore, the cleaning work of the led display is particularly important whether it is before or after the installation of the screen. The following editor will introduce it to you.

一、 Cleaning of LED module semi-finished products

　　When the LED module is only a semi-finished product without a kit, it needs to be cleaned with a special board washing water. After the LED module is dipped in some board washing water, it can be scrubbed with a brush to accelerate the dissolution of the rosin and the shedding of the flux. To remove dust and impurities, this step of cleaning is done by the manufacturer.

二、Cleaning of LED electronic display after installation

　　The LED electronic display screen will be installed and displayed for a period of time. Dust and impurities will accumulate. In order not to affect the display effect of the display screen, it is necessary to clean the surface of the LED display screen with clean water or clean water with cleaning agents for different types of dirt. Note that only The surface of the LED display can be cleaned, and special care must be taken when cleaning, and the cleaning water cannot get to the back of the LED module. This step of cleaning can be performed by the manufacturer during after-sales maintenance, or by the customer themselves.

三、Cleaning agents and special equipment required for outdoor led display cleaning

　　1、LED display cleaning solution: It has the advantages of environmental protection, dust removal, and no damage to the screen. It is the best choice to replace chemical cleaners.

　　2、LED display repair agent: This product has a multi-functional role. That is, the double function of glazing and repairing makes the LED display as bright as new. At the same time, it has anti-static, dust-proof and anti-rust functions. Floating dust is easy to fall off, and the luster remains unchanged when exposed to water. The PH value of the product is 7.5, so there is no damage to the LED display screen.

　　3、Special tools: sprayer, pneumatic brush, special brush for cleaning, etc.

　　4、Cleaning platform: You can choose to build scaffolding, steel pipe frames, hanging baskets, and aerial work vehicles.

四、Outdoor led display cleaning steps

　　1、Dust removal: that is, dust blowing. The direction of dust blowing should be consistent, from left to right or from right to left. Use a professional electric brush to clean the dust or dirt on the surface of the display module. When cleaning, the pneumatic brush cleans horizontally and evenly, and it can be cleaned repeatedly according to the pollution degree and age or aging of the display screen.

　　2、Cleaning: Use a sprayer to spray a special cleaning solution onto the surface of the module for preliminary cleaning.

　　3、Secondary dust removal: Use a professional electric brush to clean the dust on the LED display module again. Note: The brush needs to be replaced for this cleaning. The brush can be reused but must be cleaned to avoid re-contamination.

　　4、Secondary cleaning: Spray the special cleaning solution on the surface of the module for another cleaning to remove the dust left over from the secondary dust removal. According to the remaining dirt on the surface of the display screen, determine the ratio of cleaning solution to water. If there is not much dirt, you can spray it with clean water, and keep the direction of spraying from top to bottom or from right to left.

　　5、Drying: It can be air-dried naturally under no special circumstances, such as high humidity, low temperature, etc. The surface of the display screen dries slowly and needs to be blown dry.

　　6、Repair: Use a sprayer to spray the special repair fluid horizontally and evenly on the surface of the display screen for surface repair.

　　7、Air-drying: It can be air-dried naturally under the conditions of temperature, humidity, wind speed and suitable conditions. In the case of low temperature and high humidity, it can be dried with an air gun, and the air pressure should be below 3 kg.

五、Outdoor led display cleaning case

　　1、Model: P10 outdoor full-color LED, net display area: 12 square meters, commissioning time: 2012

       The picture before cleaning and restoration

　　After cleaning and repairing

　　During the cleaning process, the contrast between before and after cleaning is particularly obvious

　　2、Specification model: P10 outdoor LED full color, net display area: 110 square meters, commissioning time: November 2015

　　Picture before cleaning and restoration

　　After cleaning and repairing

　　3、The display screen (P10 full-color direct plug-in) has serious glue leakage on the green light, serious pollution on the surface of the lamp legs and lamp beads, large color difference, blurred screen and other adverse phenomena on the entire screen. As a result, the display screen cannot provide normal advertising services, seriously affecting the interests of advertisers.

　　Before cleaning: the surface of the screen is dull

　　Pictures after cleaning