21 July 2010Enclosures, Racks, Cabinets & Panel Products
Subracks as well as VME and CompactPCI systems are often installed above one another in the 19-inch plane of industrial cabinets. Fan trays with axial fans below the systems improve the cooling of the system positioned directly above them, but blow the hot exhaust air upwards towards the systems higher up. The result is a temperature rise in the ‘cold’ incoming air of about 10 K for each system up the height of the plane.
If one assumes an ambient temperature of 20°C, then the temperature of the air intended for cooling is already 50°C by the time it reaches the fourth system. The consequences are clear: the upper systems are inadequately cooled, performance falls and the MTBF (mean time between failures) of the electronic components is dramatically reduced.
The new Schroff airguide trays improve the heat dissipation from the vertically arranged systems by a claimed 50%. The warm exhaust air is drawn into the rear area of the cabinet and extracted through perforated doors or, in closed systems, is sucked away by a fan unit on the top panel of the cabinet. Cold air is introduced from the front. Cold and warm air are separated from each other to a large degree. Warming of the air used for cooling becomes appreciable only from the third system level, and amounts there – and for each further system mounted above – to only about 5 K.
The airguide trays are 1 U high and are fitted on the 19-inch plane between the embedded systems to separate cool incoming air from hot exhaust air.
AI domain-specific architecture Spectrum Concepts
Enclosures, Racks, Cabinets & Panel Products
Designing a new product is often an exercise in priorities, carefully balancing a range of capabilities to obtain the best overall result.
Read more...DC to 40 GHz termination RF Design
Enclosures, Racks, Cabinets & Panel Products
The TS400HM from Inmet by Spectrum Control is a 50 O termination that operates from DC to 40 GHz, and can handle an average input power of 1 W.
Read more...Complete electrical termination solutions for mining
Enclosures, Racks, Cabinets & Panel Products
Unlike other traditional direct-entry flameproof junction boxes that are made from steel, cast iron or aluminium, the Envirobox is made from a specially formulated, robust engineering polymer unique to Pratley, and is completely corrosion resistant.
Read more...Popular aluminium enclosure series expanded Sivan Electronic Supplies
Enclosures, Racks, Cabinets & Panel Products
Gainta has expanded its popular G1xx series of sealed aluminium enclosures which have an IP65 rating to provide protection against dust and moisture.
Read more...Modular sub racks, front panels and modules Vepac Electronics
Enclosures, Racks, Cabinets & Panel Products
Vero’s industry-compliant KM6 range is a modular, pluggable, 19-inch rack-based enclosure to securely house and protect electronic equipment.
Read more...High-speed data transmission connectors Spectrum Concepts
Enclosures, Racks, Cabinets & Panel Products
Fischer Connectors is expanding its platform capabilities to meet the most demanding connectivity requirements for high-speed data transfer using the USB 3.2 Gen 2 protocol up to 10 Gbit/s.
Read more...Clearing the Static: Ionisation equipment Actum Electronics
Circuit & System Protection
Electrostatic discharge (ESD) ionisation equipment is designed to neutralise static charges that accumulate on surfaces in environments where ESD-sensitive components or materials are handled. These ...
printer friendly version