Eco Shaker IMV - english
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    Eco Shaker IMV - english Eco Shaker IMV - english Presentation Transcript

    • Eco friendly vibration test systems reduce the impact on the environment. Energy Saving Vibration Test Systems
    • Contents 1. Necessity 2. Aim 3. Brief Summary of ED Vibration Test System   4. System construction Vibration generator mechanism Energy Saving Modification of ED Vibration Test System   Manual approach to save energy tried in the past  5. Conventional operation method How to achieve an optimal energy saving ECO-Shaker Technologies   System construction  6. Energy saving vibration test system: ECO-Shaker System operation flow ECO-Shaker Performances   Blower acoustic noise reduction  7. Energy saving Reduction of electricity charge and CO2 emission Conclusion Energy Saving Vibration Test Systems 1
    • 1. Necessity ● What is Vibration Test? Vibration testing examines the influences of mechanical vibration to functionality, durability, and reliability on a component used within a certain environment. Today, it is considered as one of the essential test methods in development and manufacturing processes and has become a technology to sustain the reliability of the modern social systems. Objects of the vibration tests are exemplified as below: Category Parts Assembly parts Final product / unit Packed product Vehicle Structure Examples Electronic parts, Mechanical parts Printed-circuit board, Mechanical assembly Laptop computer, Engine, Satellite, Airplane wings Packed cargo for transportation Automobile (Ride-comfort, Durability etc.) House, Building, Bridge (Earthquake protection) Energy Saving Vibration Test Systems 2
    • 2. Aim Almost all of the vibration test equipment are driven by electricity. Electrodynamic (ED) vibration test system, which is IMV’s major product, is basing on the operation principle that converts electricity directly to mechanical vibration and consumes electricity considerably. Consequently, when energy saving modification of this system is successfully done, following benefits are expectable: Reduction of Testing Cost Reduction of Environmental Impact Energy Saving Vibration Test Systems 3
    • 3. Brief Summary of ED Vibration Test System System construction Energy Saving Vibration Test Systems 4
    • 3. Brief Summary of ED Vibration Test System Vibration generator mechanism Energy Saving Vibration Test Systems 5
    • 4. Energy Saving Modification of ED Vibration Test System Conventional operation method Energy Saving Vibration Test Systems 6
    • 4. Energy Saving Modification of ED Vibration Test System Power loss in the conventional operation method Blower power Pb : Fixed at the rating power Drive power Pd : Varies from second to second according to the required excitation force Field power Pf : Fixed at the rating power Energy Saving Vibration Test Systems 7
    • 4. Energy Saving Modification of ED Vibration Test System Manual approach to save energy tried in the past Method When it is known that the required force is small, reduce the field current and the blower speed prior to the test start. (Setting needs to be switched-over by the operator.) Power loss by the conventional operation This amount is possible to be saved. Energy Saving Vibration Test Systems 8
    • 4. Energy Saving Modification of ED Vibration Test System Manual approach to save energy tried in the past Problems Problem 1: Test might be aborted suddenly. If an excitation force larger than the estimate prior to the test start is required, the system will stop for safety and the test will be aborted. Problem 2: Insufficient saving is only possible. To avoid the risk of sudden abort of the test, to take enough margin for operating condition is necessary. Then, only small energy saving efficiency would be expectable. Energy Saving Vibration Test Systems 9
    • 4. Energy Saving Modification of ED Vibration Test System How to achieve an optimal energy saving 1) Optimal setting of the field current Power losses in the two coils are calculated and the total power loss is examined. As seen in the figure, there exists an optimal setting of the field current at which the total power loss (Pf+Pd) become minimum. Energy Saving Vibration Test Systems 10
    • 4. Energy Saving Modification of ED Vibration Test System 2) Optimal setting of the blower speed The blower speed should be possible to be adjusted to cool down both the armature coil and the field coil appropriately: → Too fast, too small saving ! → Too slow, the coils might be burnt! Problems that need to be overcome  Temperature characteristics of the drive coil and that of the field coil are different.  Temperature characteristics are different over the vibration generator models. Not only difficult to handle, but also necessary to be treated one by one for each generator model. Energy Saving Vibration Test Systems 11
    • 4. Energy Saving Modification of ED Vibration Test System 3) Readiness to any test conditions Excitation level can be varied according to the elapsed time and/or to the frequency through a test. The energy-saving control should be ready to such change of the required excitation force caused by the test conditions Example How to control the field current in a test in which the excitation force requirement varies, especially at the circled parts ○ in the figure? Energy Saving Vibration Test Systems 12
    • 5. ECO-Shaker Technologies Energy saving vibration test system: ECO-Shaker 5. エコシェーカーの概要と仕組み ECO-Shaker has solved such problems mentioned above, and has realized a full automatic energy saving operation all the while through the given test execution. Features of the ECO-Shaker Observing the drive current and the cooling air temperature, ECO-Shaker determines the optimal field current & blower speed setting and operates the full automatic energy saved vibration testing. Communicating with the vibration controller K2, various types of vibration tests are possible to be operated in energy saving manner. Energy Saving Vibration Test Systems 13
    • 5. ECO-Shaker Technologies System construction Energy Saving Vibration Test Systems 14
    • 5. ECO-Shaker Technologies System operation flow System Start : System boot up operation : Start by the Operator : Automatic control by the system Rating field current is set (If0), Blower speed is optimally controlled Excitation Start : Test is started by the operation of the Vibration Controller Drive current (Id0) and cooling air temperature (Tin) are measured. Presently required force F1 is calculated : By the formula F=BLId=βId β is measured for each vibrator model Optimal operating condition to output the required F1 is searched and determined. Optimal operating condition is set. : Optimal field current and optimal blower speed are set and realized by the variable power supplies for each. Energy Saving Vibration Test Systems 15
    • 6. ECO-Shaker Performances Energy saving Actual performance of the energy saving by the data taken with a standard system EM2601 (Rating force :54 kN) Energy Saving Vibration Test Systems 16
    • 6. ECO-Shaker Performances Blower acoustic noise reduction Blower speed is slowed for energy saving Then, the acoustic noise by the blower is also reduced at the same time. Work environment when the excitation force is small can be drastically improved. Energy Saving Vibration Test Systems 17
    • 6. ECO-Shaker Performances Reduction of electricity charge and CO2 emission Note: The figures are showing a simulation result under the assumption of below: ・Excitation Force: 25% of the rating ・Operating Ratio: 50% ・Electricity Charge: Yen16 / kWh ・CO2 Emission Rate: 0.000555 ton / kWh Energy Saving Vibration Test Systems 18
    • 7. Conclusion ECO-Shaker is introduced Electricity cost is reduced by energy saving Blower speed is slowed by the energy saving operation Blower noise is reduced Energy saving effect is always visible and recorded. Work environment is improved Very good reputations by the customers who are already using the ECO-Shaker Patents granted for the ECO-Shaker technologies: Japan Patent No.4231095, No.4263229 No.4812857, No.4812858 U.S.A. US 8,069,728 B2 Europe China EP08075809.7 (pending) 200810174953.4 (pending) Energy Saving Vibration Test Systems 19