Recently, many municipal engineering leaders asked me in the background: Why do traffic-induced screens that cost a lot of money to install, and they will have ghosts and black screens in less than two years of use? What's worse is that collective strikes on heavy rains, causing the whole road to become messy? Today we will talk about it,Customized LED traffic induction screen​How to choose is reliable.

1. Three fatal injuries of traditional screens

1. ​​Waterproofing into decoration​: Ordinary IP54 protection leaks when encountering heavy rainstorms, and the circuit board will be scrapped for three days
2. ​​Insufficient brightness​: When the sunlight is in direct morning rush hour, the screen below 6000cd/m² cannot be seen clearly
3. ​​The road is to be closed for repairs​: If you change the lamp bead, you must remove the entire box. Each maintenance is at least 2 hours.

Last year, a second-tier city expressway suffered a fall - 32 screens broke down at the same time after the heavy rain, and the economic losses caused by traffic control alone exceeded 2 million. So,​Customization is not a gimmick, but a need to save lives​！

2. Hard core parameter list for customized screens

Don't be offended by the sales words, identify these five parameters:

• ​​Intelligent brightness adjustment​: It will soar to 7500cd/m² during the day, and automatically drop to 300cd/m² at night.
• ​​View angle​: Must be ≥160°, otherwise the driver on the side will not be able to see clearly
• ​​Protection level​: Coastal cities directly use IP68, soak in water for 72 hours without water
• ​Response speed​: Only ≤0.5ms can the road conditions be synchronized in real time, and traffic jam information may cause accidents 10 seconds late.
• ​Extreme temperature​: -40℃ to +85℃ operate normally, and the freezing rainy weather in the north can still withstand it

Here is a cold knowledge——Power supply module​is the key to life! Choose an industrial-grade wide voltage power supply (90V-305V adaptive) screen, and it can be used for 3 years if the voltage is unstable.

3. Cost Trap and Pit Avoidance Guide

​​The tricks in the quotation​：

1. The hidden "environmental adaptation fee" (actually, it is to change the power supply)
2. Replace the lamp bead model according to the quotation of a square meter
3. Post-production software upgrades charge per-view

Teach you three tricks to counter the routine:

• Requested​CE/CCC/FCC three certificates are in the same frame​Test report
• The contract states​Light fade compensation clause​(Occurrence attenuation > 5% for free)
• Must include​Five-year traffic package​(Remote control function consumes 2GB per month)

To give a real case: a third- and fourth-tier city uses standardized solutions, and the three-year maintenance cost is 780,000 yuan; while a customized solution is used in the next city, and the maintenance cost is only 520,000 yuan during the same period, which saves enough money to install 20 smart street lights.

4. Soul interrogation session

​​Q: Why are customized screens more expensive than standard screens?​​
A: The most important thing isSpecial Materials​! For example, the aviation-grade aluminum-magnesium alloy box is 3 times more expensive than ordinary iron shells, but it can be used for 15 years without rust. There is also an anti-salt spray coating, and the seaside cities will make a profit after five years of use.

​​Q: How to solve night light pollution?​​
A: Identify​Low bright high gray technology​! Actual data show that this technology can reduce the brightness at night by 60%, while ensuring that the sense of layering of the picture is not lost, and the complaint rate of surrounding residents has dropped by 83%.

​​Q: How to deal with emergency failures?​​
A: Modular design is the king! Now all high-end custom screens are supported​Hot-swap repair——If any unit is broken, it will be replaced with electricity and it will be closed in 5 minutes.

5. Procurement secrets that experts know

1. ​​On-site inspection of the production line​​: Factory with a monthly output of more than 10,000 square meters, with 3 levels of high quality control stability
2. ​​Aging tests are not allowed​: The continuous roaster test must be performed for 240 hours, and the dead light rate exceeds 0.01% and pass directly
3. ​​Software Compatibility​: It must be able to connect with the traffic police command system, navigation platform, and meteorological bureau data
4. ​Installation Team Qualifications​: High-altitude operation certificate + electrician certificate + steel structure welder certificate, one of the three certificates is indispensable

Here is a parameter comparison table to store it in your phone for backup:

To be honest, choosing an induction screen is like finding a marriage partner - just looking at the face (appearance) will definitely suffer, and you have to look at the "inner beauty". Those manufacturers who dare to show you the production line, sign a ten-year warranty agreement, and dare to spread the test data are the real and reliable ones. At the next bidding meeting, remember to bring an expert engineer to watch the parameters, so that the money saved can be saved to get you bonus!

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