Nowadays, many security prevention departments or enterprises will build a large-screen display system in a monitoring center to monitor the supervision area in real time to ensure safety and evidence. For example, the Public Security Bureau and police stations, traffic police detachments, enterprise production, and school management will install surveillance cameras to take pictures and display them on the large screen at the back end. With the continuous advancement of the national safe city and safe community, many communities and public places All began to install monitoring equipment, and the large screens of various large and small monitoring centers are also used more and more frequently.
At present, there are mainly three types of equipment that can be used for monitoring and display. One is the LCD splicing screen, which is currently the most widely used and the most cost-effective one. The technology is stable and the performance is reliable. The other is DLP rear projection. Due to its core technology being monopolized, the market price has remained high. The price of an ordinary screen can reach more than 50,000, so the cost performance is not high, and the brightness is low, so In recent years, its market space has been declining. Another type is the LCD monitor, which can only be regarded as a professional monitoring display device, and cannot form a large screen, so it is only used in some places with few surveillance cameras, such as homes and stores. So we mainly introduce how to choose LCD splicing screen products.
First, choose a stable panel brand
The core of the LCD splicing screen is the LCD panel. This panel is different from the panel of a computer or a monitor. Its manufacturing process is more complicated, and it needs to withstand the needs of continuous startup, because most of the large screens in monitoring centers are turned on all year round. . At present, the best panel brands for stability are Samsung and LG, so we try to choose these two brands of panels when purchasing.
Second, choose the mainstream size and stitching
Although the life span of the LCD splicing screen can reach more than 8 years, in the process, some non-mainstream sizes or stitching models will be discontinued, so that problems such as failure to find accessories in the later stage will arise, such as the LG47 that was still sold in the previous two years. Inch panel, 55 inch 5.5 stitched panel, etc.
Therefore, we try to choose some mainstream sizes and seams, such as 55-inch 3.5mm and below seam models, these products will not be discontinued in the next few years, and do not have to worry about subsequent maintenance issues. In addition, in the selection of the patchwork, we can decide according to our own budget, because the large screen of the monitoring center basically displays various video surveillance pictures, so the patchwork size has little effect. We can focus on the 3.5mm Panel, because it will not be discontinued in a short time and the price is not high, which is a kind of high cost performance.
Reliable manufacturers
Although the LCD panel is provided by Samsung or LG, the assembly of the large screen of the monitoring center is still completed by domestic manufacturers. In addition to selecting a reliable product, we also need to consider the technical strength and after-sales service of the manufacturer. Because this kind of project is difficult for us to complete by ourselves, we need professional technology to design and install the solution. The monitoring and debugging of various monitoring signals and display on the screen. In addition to the knowledge of large screens, there are technical issues such as weak current and monitoring. The technical requirements for manufacturers are very high.
In addition, since the large-screen system of this kind of monitoring center usually has to be used for more than seven or eight years, we must also consider the later maintenance issues. If there is a problem with the product or the circuit, it is very important for the manufacturer to send someone to solve it. One point often involves manufacturers' service standards, which we can focus on.
In summary, we choose as much as possible the whole LCD splicing screen of Samsung and LG panels in the selection of products, and choose the mainstream sales for the size and stitching. In addition, we still have to choose carefully for manufacturers, with their qualification certificates, industry experience, Technical strength, after-sales service and other aspects must be inspected to ensure that the large-screen display system of the entire monitoring center is perfectly displayed.
