【 Weak current College 】 shielding room categories

Welding type shielding room
Application scope: organs of information kept in the core departments; national security, EMC testing, radar navigation, telecommunications, research institutes and businesses involved in the areas of confidentiality of information technology.
Structure:
1. shielding shells: 1.5 30～3mm plate after cutting, bending and forming production unit module, the welding process continuous welding, steel-sided for anti-corrosion treatment, shell bottom and ground insulation space isolation, indoor surface using anti-static steel floor. Its characteristics are: long service life, efficiency, good resistance to leak.
2. the screen door: standard specifications: 2.0 * 1.0 m; 1.9 * 0.9 m; 1.8 * 0.8 m. Special dimensions can be customized according to user requirements.
3. waveguide window: honeycomb-shaped duct ventilation Windows, 300mm×600mm 300mm×300mm specifications;
4. power supply filter: 15A ~ 200A (220V/380V)
5. telephone number by telephone filters: configuration
6. fire-fighting systems: fire signal filters
7. the monitoring system: monitor filter
8. air conditioning shielding system: by user using air conditioning model accordingly shield deal
9. shield connection interface: press signal interface specification configuration
10. grounding: ground is less than 1 ohm
11. interior decoration: environmentally friendly materials, ordinary or Deluxe decoration
12. other:. treat users may use different room requires changes in the appropriate room configuration Joggle shielding room
Application scope: information confidentiality, EMI, instrument or electronic product inspection, testing, etc.
Shielding room structure:
1. shell: 1.5mm cold rolled sheet via dedicated mold folding, punching production unit module, zinc-coated steel sheet as a whole, on-site assembling, freestanding structure, exterior wall electrostatic spray, six surface to ground insulation shell, using large plate unit M8 galvanized products LAU clips into conductive lining assembly. Its characteristics: strong repeated Assembly and disassembly process, installation convenient, stable performance, could effectively prevent outside interference and electromagnetic field electronic information disclosure.
2. the screen door: high-performance manual with locking mechanism, door dimensions: 1.8 × 0.8 m, 1.9 * 0.9 m, 2.0 * 1.0 m
3. waveguide window: honeycomb-shaped duct ventilation Windows, spec. 300mm×300mm, 300mm×600mm
4. filter: filters, phone, fire signal, control, air conditioning, signal, etc. filter
5. indoor electrical: distribution box, lighting, and power outlet
6. interior decorating: ordinary: roof, walls with environment-friendly PVC plastic buckle; ground composite flooring
Middle grade: the top used microtiter plate, wall aluminum-plastic Board, surface anti-static elevated floor
Top grade: piercing the ceiling, imported aluminum buckle, double-sided color steel plate, quangangfang electrostatic floor
7. other: according to user needs to adjust the configuration of shielding room brass-shielding room
Field of application: used in electronic equipment anti-electromagnetic interference, high frequency measurement and inspection of medical equipment, etc.
Product features: light weight, engine room, the installation is fast, reliable and electromagnetic sealing Assembly technology has removed, while at the same time satisfy the indoor ventilation, lighting requirements, also, can reduce your production costs, achieve the same effect.
Manufacturing process:
Copper network shielding room: the top four-wall and double-layer copper network used for shielding ground shielding layer mining 0.5mm galvanized steel production.
Shield at the bottom and the surface treatment of intercropping insulation and moisture-resistant.
Screen production unit module type, each unit made of high quality wood (or galvanized metal profiles) for the supporting frame. Assembled by zinc plated bolts M8 clips man gasket fastens fixed.
Screen door and shield around contact gap takes bronze Reed making magnetic sealed.
Shielding indoor work, lighting, power supply are required by shielding room dedicated filter access.
Special structure can be produced according to user requirements. Plate straight stick-shielding room
Manufacturing process:
Shell: shield from 0.5 ~ 1.5mm galvanized iron sheet intermediate lining 9mm density Board made of modules, module Board between the cracks used solder joint treatment, the engine room at the bottom and the ground for moisture-proof insulation.
Shield by Dragon skeleton (wood or metal), Lung skeleton and wall insulation.
Screen door: manually locked screen doors, spec. 1.9 * 0.9M. Can be manufactured according to requirements specification
-Import window: press storm shielding room specifications configuration import Beehive-storm, the window size is 300 × 300 × 600mm 300mm;
Other: power filter, indoor electrical, interior decoration, shield observation Windows, etc.

NMR shielding room
Application areas:
MRI-shielded rooms suitable for permanent magnetic and superconducting magnetic resonance equipment for RF shielding, scanning imager nuclear magnetic resonance (MRI) to prevent outside interference MRI work of electromagnetic field and magnetic field generated by the MRI and leaked to the external interference to other devices to work correctly.
According to user needs, design of magnetic field shielding and radio frequency shielding dual function in shielding room.
Manufacturing process:
1. structure: MRI-shielding room design has assembled and welded two structures.
2. welding of copper plate for: 0.5mm RF Shield, welded using argon arc welding or brazing, high permeability rate of steel plate for magnetic shields, welding using CO2 gas shielded arc welding.
3. Dragon skeleton support made of aluminum alloy and intercropping with wall insulation. To manually lock screen door screen door, detachable beryllium-copper transmission means green reeds.
4. high performance shielding observation Windows double copper network with a special production process, good transmittance.
5. other: filters, signal the interposer board, air supply and ventilation systemShielded interface handling, coaxial connectors, optical fiber adapter boxes, medical gas waveguide interface, gas fire close waveguide, ECG monitoring system interfaces or other medical device interface and indoor lighting. Anechoic chamber
Performance indicators:
1. shielding effectiveness: 10KHz-18GHz (40GHz), shielding effectiveness according to user needs.
2, surface insulation resistance of insulation: not less than 2 M Ω.
3, ground resistance: single-point grounding, grounding resistance is not greater than 1 Ω.
4, Darkroom performance:
Field attenuation deviation: ± 4dB frequency 30MHz-18GHz (40GHz) ANSIC63.4-1992 field uniformity: 0-6dB frequency 26MHz-18GHz (40GHz) IEC61000-4-3
Uniform domain: dimensions to the vertical plane 1.5x1.5m (ground 0.8m).
Application areas:
For radiation radio interference (EMI) measurement and radiation sensitivity (EMS) to measure the dimensions of the anechoic chamber and RF absorber selection mainly by the device (EUT) dimensions and test requirements. Applies to 10KHz-40GHz frequency range for various radio reception and transmission of and various high-sensitivity measurement of a precision instrument and measurement.
Manufacturing process:
Anechoic chamber by assembling type electromagnetic shielding room (including the screen door, filtering and quarantine, grounding, storm and fire alarm systems), the indoor distribution system, monitoring system, turntable, antenna, absorbing materials.
Radio-absorbing materials:
(A) single ferrite films, working frequency range 30MHz-1000MHz
(B) tapered carbon sponge absorbing materials, frequency range: 30MHz-18GHz
Product features:
Shielding room five sides with absorbing materials, better resistance to electromagnetic interference.
Anechoic chamber
Shielded anechoic chamber meet 14KHz-20GHz band EMC testing requirements for electromagnetic compatibility testing.
Manufacturing process
Anechoic chamber consists of electromagnetic shielding room, filtering and quarantine, grounding, storm and fire alarm system, the indoor distribution system, monitoring system, absorbing materials, test equipment, and other parts.
Depending on need, anechoic chamber with or without shielding, absorbing materials directly paste to the building of the wall. In its six sides paste absorbing materials, simulation of free space transmission environment.