An electric vibration test system, also known as an electrodynamic vibration test system, is a specialized equipment used to simulate vibrations and test the performance, durability, and reliability of various products and components. It is commonly used in industries such as aerospace, automotive, electronics, and mechanical engineering.
Here are some key components and features of an electric vibration test system:
Electrodynamic Shaker: The core component of the system is an electrodynamic shaker, which generates vibrations by using an electromagnetic field to move a voice coil within a magnetic field. The shaker is capable of producing controlled vibrations with a wide range of frequencies and amplitudes.
Amplifier: An amplifier is used to provide electrical power to the shaker and control the vibration levels. It amplifies the input signal and drives the shaker to produce the desired vibration profile.
Control System: The control system is responsible for controlling the vibration parameters, such as frequency, amplitude, and waveform. It allows users to set up and execute specific test profiles, monitor the vibration performance, and collect data for analysis.
Fixturing and Interface: The test system includes various fixtures, adapters, and interfaces to securely mount the test specimens or products onto the shaker. These fixtures ensure proper coupling and transfer of vibrations from the shaker to the test object.
Sensors and Instrumentation: Sensors such as accelerometers, strain gauges, and displacement transducers are used to measure and monitor the response of the test specimen during vibration testing. These sensors provide valuable data on the product's structural behavior, dynamics, and performance.
Data Acquisition and Analysis: The system may include data acquisition devices and software to capture and analyze the measured data. This allows for detailed analysis of the product's response to vibrations, identification of potential issues or weaknesses, and optimization of design and performance.
Safety Features: Electric vibration test systems are equipped with safety features to protect the equipment, operators, and test specimens. These may include overload protection, emergency stop buttons, interlocks, and safety enclosures to minimize risks during testing.
Test Standards Compliance: Many electric vibration test systems are designed to comply with specific industry standards and testing specifications. These standards define the test procedures, parameters, and acceptance criteria for various products and applications.
Electric vibration test systems are versatile tools used for a wide range of tests, including mechanical stress testing, fatigue testing, product qualification, and research and development. They help identify and address potential design flaws, ensure product reliability, and improve overall quality and performance.
Environmental Stress Screening (DCS) is extremely effective in eliminating potential product defects. In the development stage, it becomes a magic weapon to find product design defects to achieve reliability growth; in the production stage, it becomes an important means to reduce production costs and create excellent products.
The DCS project will be applied during product development and production, which can greatly improve product reliability and reduce maintenance costs. Applying DCS during development can greatly save testing time and cost, thereby eliminating or reducing hidden defects before testing. The benefits for producers include: insight into reliability problems in products or processes, so as to eliminate reliability problems from products and processes, reduce production costs and save resources.
Vibration test can be used to find early battery failure, simulate actual working condition assessment and structural strength test. The product has a wide range of applications, wide application range, remarkable and reliable test effect. It is an ideal battery-specific vibration test for battery manufacturers, quality inspection departments and research institutes. Test Equipment. It is suitable for vibration testing of various types of single cells and battery packs such as charging treasures, lithium-ion, nickel-metal hydride, nickel-cadmium, lead-acid, and nickel metal hydride.
Vibration tests can also be used for fatigue tests of products for life assessment of products.
Technical Performance Indicators of Each Component:
Vibration Generator (Model: (DV-300) / Power Amplifier (Model KA-3) | |
Sine thrust | 22000N (2200kg.f) |
Random thrust | 22000n (2200kg.f) |
Impact thrust | 44000N (4400kg.f) |
Frequency range | DG~3000Hz |
Continuous displacement | 51mm |
Shock displacement (maximum displacement) | 51mm |
Maximum speed | 2m/s |
Maximum acceleration | 981m/s2 (100g) (no load) |
Moving coil diameter | Φ320mm |
1st order resonance frequency | 3200 hz±5% |
Allowable eccentric moment | ≤2500N·cm |
Equivalent mass of moving parts | 20kg |
Load connection point | 13 |
Table screw size (standard) | M8 |
Table screw layout (diameter, circumference) | 13-M8 deep 16mm |
Axial isolation frequency | <2.5Hz |
Maximum load | 400kg |
Flux leakage | ≤1mt |
Ambient temperature | 0~40℃ |
Table body size (without packaging) (L×W×H) approx. | 1200mm×870mm×1100mm |
Table weight (without packaging) approx. | 1600kg |
Amplifier output | 22kva |
Snr | >65db |
System protection |
1. power amplifier overvoltage protection 2. system timing protection 3. power amplifier undervoltage protection 4. zero signal protection (reset) 5. over-displacement protection 6. leakage protection 7. platform overheating protection 8. excitation fuse protection 9. module overheating protection 10. external timing protection 11. output over-current protection 12. external zero signal protection 13. output overvoltage protection 14. interlock protection of horizontal sliding platform 15. module overcurrent protection 16. thermal relay overload protection 17. module timing protection 18. power amplifier power-on soft start protection |
Rated output voltage | 100Vrms |
Output current | 220A |
Input resistance | ≥15kω |
Input signal voltage | ≤1.5rms |
Power amplifier efficiency | >90% |
Harmonic distortion (resistive load) | <1.0% |
Output voltage measurement error | ≤5% |
Output current measurement error | ≤5% |
Output current crest coefficient | ≥3 |
DC stability | The zero drift of the output terminal is not more than 30mv/8h |
Frequency range | 1-120000hz: ±3db; if gain: ≥80 |
DC/AC conversion efficiency | >92% |
Load nature | Resistive, capacitive, inductive any |
Parallel current sharing unbalance | ≤2.8% |
Mean time between failures (MTBF) | >3500h |
Cooling method | Forced air cooling |
Power supply | Ac 3-phase 50hz 380v±10% |
Dimensions (without packaging) (L×W×H) approx. | 850mm×580mm×1920mm |
Amplifier weight (without packaging) approx. | 500kg |
Fan (Model: FJ-2000) | |
Fan power | 7.5kw |
Air volume | 67.5m3/min |
Duct diameter | 200mm |
Duct length | 4.5m |
Wind pressure | 8800pa |
Dimensions (without packaging) (L×W×H) approx. | 500mm×520mm×650mm |
Weight (without packaging) approx. | 200kg |
Horizontal slid table (Model: SC-0505) | |
Table size | 1000×1000mm (square) |
Equivalent mass (maximum load bearing) | About 150kg |
Upper limit frequency | Sine 2000hz, random 2000hz |
Table material | Magnesium Aluminum Alloy |
Vertical extension table (model: TB-0505) | |
Table size | 1000mm×1000mm (square) |
Equivalent mass (maximum load bearing) | About 143kg |
Upper limit frequency | Sine 800hz, random 2000hz |
Table material | Magnesium Aluminum Alloy |
An electric vibration test system, also known as an electrodynamic vibration test system, is a specialized equipment used to simulate vibrations and test the performance, durability, and reliability of various products and components. It is commonly used in industries such as aerospace, automotive, electronics, and mechanical engineering.
Here are some key components and features of an electric vibration test system:
Electrodynamic Shaker: The core component of the system is an electrodynamic shaker, which generates vibrations by using an electromagnetic field to move a voice coil within a magnetic field. The shaker is capable of producing controlled vibrations with a wide range of frequencies and amplitudes.
Amplifier: An amplifier is used to provide electrical power to the shaker and control the vibration levels. It amplifies the input signal and drives the shaker to produce the desired vibration profile.
Control System: The control system is responsible for controlling the vibration parameters, such as frequency, amplitude, and waveform. It allows users to set up and execute specific test profiles, monitor the vibration performance, and collect data for analysis.
Fixturing and Interface: The test system includes various fixtures, adapters, and interfaces to securely mount the test specimens or products onto the shaker. These fixtures ensure proper coupling and transfer of vibrations from the shaker to the test object.
Sensors and Instrumentation: Sensors such as accelerometers, strain gauges, and displacement transducers are used to measure and monitor the response of the test specimen during vibration testing. These sensors provide valuable data on the product's structural behavior, dynamics, and performance.
Data Acquisition and Analysis: The system may include data acquisition devices and software to capture and analyze the measured data. This allows for detailed analysis of the product's response to vibrations, identification of potential issues or weaknesses, and optimization of design and performance.
Safety Features: Electric vibration test systems are equipped with safety features to protect the equipment, operators, and test specimens. These may include overload protection, emergency stop buttons, interlocks, and safety enclosures to minimize risks during testing.
Test Standards Compliance: Many electric vibration test systems are designed to comply with specific industry standards and testing specifications. These standards define the test procedures, parameters, and acceptance criteria for various products and applications.
Electric vibration test systems are versatile tools used for a wide range of tests, including mechanical stress testing, fatigue testing, product qualification, and research and development. They help identify and address potential design flaws, ensure product reliability, and improve overall quality and performance.
Environmental Stress Screening (DCS) is extremely effective in eliminating potential product defects. In the development stage, it becomes a magic weapon to find product design defects to achieve reliability growth; in the production stage, it becomes an important means to reduce production costs and create excellent products.
The DCS project will be applied during product development and production, which can greatly improve product reliability and reduce maintenance costs. Applying DCS during development can greatly save testing time and cost, thereby eliminating or reducing hidden defects before testing. The benefits for producers include: insight into reliability problems in products or processes, so as to eliminate reliability problems from products and processes, reduce production costs and save resources.
Vibration test can be used to find early battery failure, simulate actual working condition assessment and structural strength test. The product has a wide range of applications, wide application range, remarkable and reliable test effect. It is an ideal battery-specific vibration test for battery manufacturers, quality inspection departments and research institutes. Test Equipment. It is suitable for vibration testing of various types of single cells and battery packs such as charging treasures, lithium-ion, nickel-metal hydride, nickel-cadmium, lead-acid, and nickel metal hydride.
Vibration tests can also be used for fatigue tests of products for life assessment of products.
Technical Performance Indicators of Each Component:
Vibration Generator (Model: (DV-300) / Power Amplifier (Model KA-3) | |
Sine thrust | 22000N (2200kg.f) |
Random thrust | 22000n (2200kg.f) |
Impact thrust | 44000N (4400kg.f) |
Frequency range | DG~3000Hz |
Continuous displacement | 51mm |
Shock displacement (maximum displacement) | 51mm |
Maximum speed | 2m/s |
Maximum acceleration | 981m/s2 (100g) (no load) |
Moving coil diameter | Φ320mm |
1st order resonance frequency | 3200 hz±5% |
Allowable eccentric moment | ≤2500N·cm |
Equivalent mass of moving parts | 20kg |
Load connection point | 13 |
Table screw size (standard) | M8 |
Table screw layout (diameter, circumference) | 13-M8 deep 16mm |
Axial isolation frequency | <2.5Hz |
Maximum load | 400kg |
Flux leakage | ≤1mt |
Ambient temperature | 0~40℃ |
Table body size (without packaging) (L×W×H) approx. | 1200mm×870mm×1100mm |
Table weight (without packaging) approx. | 1600kg |
Amplifier output | 22kva |
Snr | >65db |
System protection |
1. power amplifier overvoltage protection 2. system timing protection 3. power amplifier undervoltage protection 4. zero signal protection (reset) 5. over-displacement protection 6. leakage protection 7. platform overheating protection 8. excitation fuse protection 9. module overheating protection 10. external timing protection 11. output over-current protection 12. external zero signal protection 13. output overvoltage protection 14. interlock protection of horizontal sliding platform 15. module overcurrent protection 16. thermal relay overload protection 17. module timing protection 18. power amplifier power-on soft start protection |
Rated output voltage | 100Vrms |
Output current | 220A |
Input resistance | ≥15kω |
Input signal voltage | ≤1.5rms |
Power amplifier efficiency | >90% |
Harmonic distortion (resistive load) | <1.0% |
Output voltage measurement error | ≤5% |
Output current measurement error | ≤5% |
Output current crest coefficient | ≥3 |
DC stability | The zero drift of the output terminal is not more than 30mv/8h |
Frequency range | 1-120000hz: ±3db; if gain: ≥80 |
DC/AC conversion efficiency | >92% |
Load nature | Resistive, capacitive, inductive any |
Parallel current sharing unbalance | ≤2.8% |
Mean time between failures (MTBF) | >3500h |
Cooling method | Forced air cooling |
Power supply | Ac 3-phase 50hz 380v±10% |
Dimensions (without packaging) (L×W×H) approx. | 850mm×580mm×1920mm |
Amplifier weight (without packaging) approx. | 500kg |
Fan (Model: FJ-2000) | |
Fan power | 7.5kw |
Air volume | 67.5m3/min |
Duct diameter | 200mm |
Duct length | 4.5m |
Wind pressure | 8800pa |
Dimensions (without packaging) (L×W×H) approx. | 500mm×520mm×650mm |
Weight (without packaging) approx. | 200kg |
Horizontal slid table (Model: SC-0505) | |
Table size | 1000×1000mm (square) |
Equivalent mass (maximum load bearing) | About 150kg |
Upper limit frequency | Sine 2000hz, random 2000hz |
Table material | Magnesium Aluminum Alloy |
Vertical extension table (model: TB-0505) | |
Table size | 1000mm×1000mm (square) |
Equivalent mass (maximum load bearing) | About 143kg |
Upper limit frequency | Sine 800hz, random 2000hz |
Table material | Magnesium Aluminum Alloy |