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Battery Test / Electro-dynamic Vibration Test System

Electro-Dynamic Vibration Shaker System
  • 1. Electro-dynamic Vibration Shaker System

    1.1. Features :

    1.1.1 Double magnetic circuit structure to ensure high magnetic field intensity & reduce flux leakage; Special degaussing structure can reduce flux leakage to below 1 mt

    1.1.2 U-type spring ,rollers and linear bearing for strong resistance of deflecting load

    1.1.3 Air spring are used for vibration isolation; Vibration system work steadily even with heavy load; no need special foundation

    1.1.4 Protection devices are provided for over-thermal, over-load, over-current, over-voltage, and over-displacement of the vibration tester; Electrical network protection devices for over-voltage, under-voltage, lacking phase; Drive power , current-limiting , soft-start, over-temperature, short-current, module fault protecting

    1.1.5 Able to complete sine ,random , impact environmental tests

    1.1.6 This system requires voltage fluctuation, ≤±10% 

    1.1.7 This system requires Grounding resistance, ≤4Ω 

    1.1.8 High reliability, especially suitable for long-time operation

    Model No.

    Rate Sine Forcekgf)

    Rated Random Force RMS kgf)

    Frequency RangeHz)

    Displacement  mm p-p)

    Max. Velocitym/s)

    Max. AccelerationSine)(g)

    Armature Masskg)

    BE-200

    200

    200

    DC~4500

    25.4

    1.8

    100

    2

    BE-300A

    300

    300

    DC~4000

    25.4

    1.8

    100

    2.5

    BE-300B

    300

    300

    DC~3000

    40

    1.8

    40

    7

    BE-600

    600

    600

    DC~3500

    51

    1.8

    100

    6

    BE-1000

    1000

    1000

    DC~4500

    51

    1.8

    100

    10

    BE-1500

    1500

    1500

    DC~3000

    51

    1.8

    75

    20

    BE-2000

    2000

    2000

    DC~3000

    51

    1.8

    100

    34

    BE-3400

    3400

    3400

    DC~2500

    51

    1.8

    100

    34

    BE-4000

    4000

    4000

    DC~2500

    51

    1.8

    100

    34

    BE-5000

    5000

    5000

    DC~2700

    51

    1.8

    100

    50

    BE-6400

    6400

    6400

    DC~2500

    51

    1.8

    100

    64

    BE-7000

    7000

    7000

    DC~2500

    51

    1.8

    100

    64



    2. Digital Switch Type Amplifier

    2.1 Introduction 

    This system adopts the sine pulse width modulation technology of digital power amplifier.Its working principle is:

    using the MOSFET field-effect’s high frequency switch power, through digital circuit to amplify and restore the low-voltage signal which input by controller, Then the output the original signal to vibration tester's moving coil circuit,and drive vibration tester's extension table movement.

    The main part of the digital power amplifier: the front control, power amplifier module, protection circuit, the power part and electric cabinet.

    2.2 Features

    2.2.1 Easy maintenance: 

    Interchangeable power module box, compact design, saving space, easy to maintenance.

    2.2.2 LCD display:
    Logic module adopts microcomputer CPU chip processor, LCD display function;Can be showed various system data in detail (The power amplify output True RMS value, with additional data display) and operation state and fault judgment.With remote control, remote measuring, remote communication function, friendly interface, easy operation.

    2.2.3 Protection function:
    The power amplifier set up protection of power grid over-voltage, power grid under-voltage, power grid lack of phase, logic fault, power module, power temperature module,output over-current, output over-voltage,driving power, the table’s displacement, table temperature, etc. Any failure occurs, shut down output,with sound and lighting alarm at the same time. Except the above protection, also has poor RMS value the protection, and emergency stop protection.

     High conversion efficiency ( higher than 92%) ,and high convert ion frequency .


     Amplifier

    Model

    Max number of sub-modules supplied 

    Max Power Output

    Max Output Voltage

    Max Output Current

    Amplifier Efficiency

    Signal-Noise-Ratio

    Switching Frequency

    BE-A-100

     2

    12 kVA

     120 V rms

     100 A rms

    > 92%

    More than 65 dB at 100 V rms output, 10 k ohm input termination with rated resistive load.

    112 kHz

    BE-A-400

     8

    48 kVA

     120 V rms

    400 A rms

    > 92%

    112 kHz

    BE-A-700

    14

    84 kVA

     120 V rms

    400 A rms

    > 92%

    112 kHz

    BE-A-3000

    35

    84 kVA

    120 V rms

    3,000 A rms

    > 92%

    112 kHz

     


    3. Vertical Ex-pander

    Vertical expander made of light weight magnesium alloy, with relative high strength-weight ratio. The expander able simultaneously test for multi items, reduce testing time. With the reliable expander, makes the system able for large size specimen install and testing , reduce the danger of damaging the suspension system. And it can simulate harsh transportation conditions, test for large and heavy equipment .

    4.Horizontal Slip Table

    With horizontal slip table ,the electro-dynamic vibration tester able for X,Y,Z trial direction testing. And can combine temperature humidity test system do combined environmental testing .With turbo - scroll bar or chain wheel rotation system, one person can easily rotate the vibration bench and connect it to the horizontal table. Adopt mechanical position limitation to ensure the connection between the vibration system and horizontal slip table. Multi size slip table available, from 300mm×300mm(for small vibration system)to  large specimen test 2m×2m slip  table. Different bearing limitation able to perform different operation and comply different requirements. The thickness and size of the slip table will influence the vibration system performance, and affect the high limitation frequency , user can customize it. 

     

Main Products : Environmental Chamber, Climatic Chamber, Thermal Shock Test Chamber, Walk in Test Chamber, Altitude Chamber, Battery safety testing equipments ,Tensile Testing Machine  etc. 

Tel:0086-769-23280910 Fax: 0086-769-22673576 Email : sales@bellgroup.cc Skype: bell.sales1&a