At present, all localities are responding to the call of the state to build a smart city, and carry out various construction projects around smart facilities. Smart buses use the most advanced GPS positioning technology, 3G/4G, WIFI network technology, and information system technology.
Combined with the operation characteristics of public transport vehicles, a public transport intelligent dispatching system is built to plan and dispatch routes and vehicles, so as to realize intelligent scheduling and improve the utilization rate of public transport vehicles.
At the same time, through the construction of a complete video monitoring system, the custom size monitor and management system of the bus, the station and the station can be realized. For the network version function of the outdoor LCD displays of the intelligent bus stop, what is the remote background release of news media advertising information?
The whole outdoor protection level is usually expressed by IP followed by two numbers. The number is used to clarify the level of protection. The first number indicates the range of the equipment against dust, or the degree to which people are protected from harm in a sealed environment.
The second digit indicates the waterproof level of the device, which represents the level of water protection. The first thing to be faced with waterproof and dustproof is that the protection level of the LCD displays casing must be waterproof.
Outdoor display equipment must have specially designed dust-proof structure and dust-proof filter products. Generally, the waterproof level reaches IPX55, which can operate normally in heavy rain. Combined with industrial air conditioners, the protection level can reach IP65.
In order to achieve all-weather outdoor playback performance, the outdoor LCD display screen must also have a reliable lightning protection electric control design to provide safety guarantees for the equipment in thunderstorms.
In the outdoor environment, the display interface is clearly visible, and anti-reflection is also an important aspect to consider. The high bright LCD displays adopts special coated glass to improve the visual viewpoint and resolution of the screen and reduce screen reflection.
Outdoor LCD screens are generally used in outdoor public places, and public safety and the safety of the equipment itself are issues to be considered for outdoor display.
Generally, outdoor LCD displays use special tempered AR laminated glass. Even if the glass is damaged, only fine cracks like spider webs will be produced. The fragments are firmly adhered to the middle layer, which can avoid personal injury or property caused by glass falling.
In addition, for the problem of anti-theft, the outdoor display equipment should be specially designed to prevent the screws from being exposed, and the anti-theft problem should be solved by combining the anti-theft function lock and solid structural support.
When the outdoor LCD screen is running, there will be heat from three main aspects: solar radiation, air convection, and heating of internal electronic components.
The geographical temperature difference and the placement of the equipment are different. The LCD screen should have outdoor display equipment and a specially designed temperature control and heat dissipation scheme. Some are air-conditioned and some use forced air cooling, but no matter what kind of cooling scheme, the products generally meet the temperature: -25℃～55℃, and the humidity: 10%～90%.
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