Ningbo Yuhui Communication Equipment Co., Ltd.
Ningbo Yuhui Communication Equipment Co., Ltd. High Quality Sincere Co-operatio Superior Service
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Air Management Unit
The airflow management unit is mainly used to prevent air from circulating repeatedly in the cabinet and improve the cooling efficiency of the equipment room. Usually divided into passive and active two modes.
1. Passive airflow management unit
Passive airflow management units often use passive components to change the distribution of airflow. For example, the blanking plate promotes normal air circulation in the enclosure by occupying unused rack space, and is modular, tool-less design that can be quickly and easily installed into an EIA-31019 in. rack or has a square mounting hole In the cabinet.
Metal baffles are used in the case of threaded guides, which allow the airflow to be blocked while allowing the cable to pass from the front of the rack to the back of the rack.
Using an air control baffle kit consisting of lU, 2U, 4U, 8U baffles prevents air recirculation by occupying unused rack space.
2. Active airflow management unit
Active airflow management units often use active devices to change the flow of airflow in the cabinet. According to different functions, there are the following types.
(1) Side-to-side airflow distribution. Rack equipment with lateral air flow poses many challenges for IT facility managers, especially in the area of refrigeration. Because most cabinets are designed for front-to-back airflow, it is difficult to maintain ideal operating temperatures in side-ventilated equipment. The cabinet-side air supply unit considers better safety and composition. It allows the cabinets to be placed side by side one by one without blocking the air flow.
The rack-side air supply unit is usually a 2U cabinet with air supply products for lateral air flow between network devices or servers. It sucks the air with adjusted temperature and humidity from the front of the cabinet and sends it to the airflow inlet on the side of the network equipment. In this way, the life of the equipment is extended by supplying an appropriate inlet temperature.
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This product is recommended for one or more network devices stacked in a rack. The cabinet side air supply unit can be placed above or below the network equipment. The user can configure the air flow through the interchangeable airflow guide vanes.
(2) Rear airflow management. In a high-density device environment, traditional heat dissipation methods are generally inefficient. High-density rack installations can cause IT equipment to overheat and cause downtime. The rack exhaust device collects the hot air that is exhausted and returns it to the ventilation ducts, eliminating hotspots in the data. With a temperature-based automatic fan speed adjustment mechanism, the fan can automatically adjust the speed for optimal performance. With the device's LCD display, users can view rack temperatures, monitor alarm conditions, and adjust device settings. The rack exhaust can be remotely monitored and controlled through the integrated network management card. This space-saving product is installed on the back of the cabinet that meets the requirements without occupying the space of the table.
(3) Front airflow management. The rack-mounted front air distribution unit is a unique rack mounted fan tray product that works with existing precision air conditioning systems to deliver cold air to the equipment in the enclosure. The air distribution equipment is connected to the living floor and directs the supplementary air directly into the cabinet to prevent it from mixing with the outside hot air before reaching the equipment requiring refrigeration.
The rack type air distribution device can eliminate the temperature difference between the top and bottom of the casing, and it can also prevent the recirculation of exhaust gas with high temperature from the entrance into the casing.
For rack enclosures, rack-mounted air conditioning equipment with a rated load of more than 1.5 kW is suitable. It can provide air flow at a maximum of 3.0 kW. If underground air-conditioning equipment cannot meet the needs of nearby telecommunications equipment, the above-mentioned equipment must also be used on the living floor.
