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Some details that should be noted during the installation and implementation of the LCD Video Wall project are described below by West Technical Engineers who have more than 10 years experience in liquid crystal splicing.
The basic composition of the liquid crystal splicing wall cabinet LCD splicing unit image control processor control software a variety of wire.
Self-configured by user: Video/VGA matrix (distributor) control computer (arbitrary configuration, main board with RS-232 communication interface)
The system environment design and requirements of the LCD Video Wall shall ensure the smooth implementation of the project and protect the normal operation of the system equipment. The installation site of the equipment shall meet the following environmental conditions:
1. Installation requirements 1) The installation of the ground requires smoothness, strong bearing capacity, and no deformation.
2) The base is generally in direct contact with the anti-static floor to ensure that the long-term load on the ground is not deformed.
2. Operation Console (Room) Decoration and Equipment Location Requirements 1) Operation Control The position of the computer should be on the opposite side of the splicing screen, requiring the operator to easily and intuitively see the operation of the splicing screen. If there is a specially cut off operation control room, the operation control room and the large screen display room should have transparent glass to facilitate the operator's viewing.
2) The control computer should be located as far as possible in the facing direction of the splicing screen, and have a suitable distance from the splicing screen in order to facilitate debugging of color adjustment and other operations.
3) The image controller should be placed in the channel (inside the cabinet) next to or behind the screen wall. It should be as close to the interface of the projection box as possible to reduce the VGA trace distance.
3, light requirements 1) lighting recommended to use the built-in downlight, lighting should not be directed at the direction of the screen, keep away from the screen 3 meters away, so as not to affect the projection effect.
2) If the windows of the control room are large, direct sunlight should be avoided. Use blinds to shade the curtains. The curtains should be dark.
4. Requirements for cabling and trunking 1) The weak cable (VGA cable, video network serial port, mouse and keyboard extension cable, etc.) should be separated from the strong cable to avoid signal interference. If you use the cable tray, you cannot share one cable tray. Separate the cable trays to separate the cables.
2) If it is a fixed floor such as a floor tile, a composite wood floor, etc., there is a need for a wiring groove between the signal source (computer VGA signal video signal) and the control computer to the graphic controller (or projector interface). Short is appropriate.
3) If it is an anti-static floor, open the hole at the outlet of the cable and leave the cable outlet.
5, power supply Considering the system may encounter special circumstances will occur breakpoints re-power current impact, the liquid crystal splicing unit itself has a power protection design to ensure the normal and safe operation of the device.
1) The power supply of the system is AC220V ± 5%; a three-eye socket with a protective earth wire is used; the number of sockets is related to the number of splicing screens.
2) The splicing system, image controller and control PC require the same phase power supply.
3) The power supply voltage should be stable and reliable, especially to prevent powering up immediately after a power failure. Therefore, in principle, the power supply of the splicing system must be powered by the corresponding power UPS.
4) The system equipment should have a good grounding, grounding resistance <2Ω, to ensure that the equipment does not damage when encounter special circumstances such as lightning.
6. System environment 1) The rear side of the splicing system is a maintenance channel. The width of the maintenance channel is generally not less than 060 meters. 2) The large-screen room requires better temperature and humidity control. Working environment temperature is 23°C±5°C and relative humidity is 20%-80%. There must be air conditioning behind the splicing.
3) The temperature and humidity of the air conditioner before and after splicing the screen should be adjusted to the same scale to ensure the heat dissipation of the splicing wall and the flatness of the splicing screen.
4) The splicing screen room needs to be kept clean and dust-proof.
5) Keep fire sprinklers as far away from the splicing wall as possible and use spray extinguishing agents.
Careful attention to the installation process of the LCD Video Wall
With the increasing demand for social security, the demand for monitoring equipment for each engineering project is also increasing. The small power consumption of LCD video wall without radiation and flicker is more environmentally friendly and healthy than the previous CRT monitoring, and the stability is better. Therefore, it is widely used by engineering companies.