Electromagnetic Vibration Test Machine for EV battery pack Durability Sinusoidal Random Shock Vibration Test
Vibration testing for EV battery packs involves subjecting them to controlled vibrations to simulate real-world conditions and assess their durability and performance. These tests help identify potential weaknesses and ensure the battery can withstand the stresses of vehicle operation and transportation.
Here's a breakdown of key aspects:
1. Purpose:
Durability Assessment:
Vibration testing evaluates the battery's ability to withstand vibrations without failure, ensuring its long-term reliability.
Performance Validation:
It verifies that the battery's electrical performance remains within acceptable limits during and after vibration exposure.
Compliance with Standards:
Many vibration tests are mandated by industry standards like UN 38.3 and IEC 62660-2 for safe transportation and use of batteries.
2. Test Methods:
Sinusoidal Vibration:
Involves applying a single frequency vibration to identify resonant frequencies and potential fatigue issues.
Random Vibration:
Simulates the "noise" of real-world driving conditions by applying multiple frequencies simultaneously.
Sine-on-Random:
Combines sinusoidal and random vibrations to represent both normal operating conditions and unexpected road events like potholes.
Shock Testing:
Applies sudden, high-impact forces to simulate impacts or collisions.
3. Key Considerations:
Test Profiles:
Battery testing profiles, like those defined in ISO 12405, often involve specific sequences of vibration in different directions (X, Y, Z) and may include temperature profiles.
Test Standards:
Regulatory standards such as UN 38.3 and IEC 62660-2 often specify the test types, durations, and conditions.
Equipment:
Vibration testing typically uses shakers (electrodynamic, hydraulic, or mechanical) to induce vibration, amplifiers to drive the shaker, and controllers to manage the test parameters.
4. Analyzing Results:
Monitoring:
During testing, the battery's electrical performance (voltage, current, impedance) and physical integrity are closely monitored.
Data Analysis:
Analysis involves assessing changes in battery performance, structural damage, or any signs of failure.
5. Importance:
Early Problem Detection:
Vibration testing helps identify design or manufacturing flaws early in the development process, preventing costly issues later on.
Ensuring Safety:
By validating the battery's ability to withstand vibrations, testing helps ensure the safety of electric vehicles and their occupants.
Regulatory Compliance:
Passing vibration tests is often a prerequisite for shipping and using lithium-ion batteries in electric vehicles. Vibration testing for EV battery packs involves subjecting them to controlled vibrations to simulate real-world conditions and assess their durability and performance. These tests help identify potential weaknesses and ensure the battery can withstand the stresses of vehicle operation and transportation.
Here's a breakdown of key aspects:
1. Purpose:
Durability Assessment:
Vibration testing evaluates the battery's ability to withstand vibrations without failure, ensuring its long-term reliability.
Performance Validation:
It verifies that the battery's electrical performance remains within acceptable limits during and after vibration exposure.
Compliance with Standards:
Many vibration tests are mandated by industry standards like UN 38.3 and IEC 62660-2 for safe transportation and use of batteries.
2. Test Methods:
Sinusoidal Vibration:
Involves applying a single frequency vibration to identify resonant frequencies and potential fatigue issues.
Random Vibration:
Simulates the "noise" of real-world driving conditions by applying multiple frequencies simultaneously.
Sine-on-Random:
Combines sinusoidal and random vibrations to represent both normal operating conditions and unexpected road events like potholes.
Shock Testing:
Applies sudden, high-impact forces to simulate impacts or collisions.
3. Key Considerations:
Test Profiles:
Battery testing profiles, like those defined in ISO 12405, often involve specific sequences of vibration in different directions (X, Y, Z) and may include temperature profiles.
Test Standards:
Regulatory standards such as UN 38.3 and IEC 62660-2 often specify the test types, durations, and conditions.
Equipment:
Vibration testing typically uses shakers (electrodynamic, hydraulic, or mechanical) to induce vibration, amplifiers to drive the shaker, and controllers to manage the test parameters.
4. Analyzing Results:
Monitoring:
During testing, the battery's electrical performance (voltage, current, impedance) and physical integrity are closely monitored.
Data Analysis:
Analysis involves assessing changes in battery performance, structural damage, or any signs of failure.
5. Importance:
Early Problem Detection:
Vibration testing helps identify design or manufacturing flaws early in the development process, preventing costly issues later on.
Ensuring Safety:
By validating the battery's ability to withstand vibrations, testing helps ensure the safety of electric vehicles and their occupants.
Regulatory Compliance:
Passing vibration tests is often a prerequisite for shipping and using lithium-ion batteries in electric vehicles.
Vibration:
Involves applying a single frequency vibration to identify resonant frequencies and potential fatigue issues.
Random Vibration:
Simulates the "noise" of real-world driving conditions by applying multiple frequencies simultaneously.
Sine-on-Random:
Combines sinusoidal and random vibrations to represent both normal operating conditions and unexpected road events like potholes.
Shock Testing:
Applies sudden, high-impact forces to simulate impacts or collisions.
| Shaker Model | JQA-202-335 JQA-203-335 |
| Frequency Range (Hz) | 5~3000 |
| Rated sinusoidal force (KN) | 20 |
| Shock force (KN) | 40/60✱ |
| Max. acceleration (m/s²) | 980 |
| Max. speed (m/s) | 2 |
| Max. displacement (mmp-p) | 51/76 |
| Max. load (kg) | 300 |
| Vibration isolation frequency(Hz) | 2.5 |
| Shaking table type | JQ-20 |
| Moving parts weight (kg) | 23 |
| Armature diameter (φmm) | 335 |
| Allowable eccentric moment (N x m) | 490 |
| Outer dimension (W·H·D) (mm) | 1080*990*860 |
| Shaker weight (kg) | 1600 |
| Power amplifier model | PA-20 |
| Max. output power (KVA) | 20 |
| Amplifier Size (W·H·D) | 550*1750*850 |
| Power amplifier Weight (kg) | 410 |
| Power Amplifier working model | Switch |
| System power consumption (KVA) | 40 |
| Cooling method | Forced air cooling |
| Fan model | FJ-3000 |
| Rated flow (m³/min) | 40 |
| Rated wind pressure (kPa) | 3.5/8.8 |
| Fan power (KW) | 7.5 |
Guangdong Jianqiao Testing Equipment Co.,Ltd is a large scale professional manufacturer specializing in R&D ,production and sales of vibration test system,environmental test chamber and battery testing equipment.With the advantage in Technicians in R&D department,professional production and sales teamand perfect after-service department.and several ,senior R&D Engineer haired across the country .Our marketing network covers major large and medium-sized cities among the country. In the past 20 years, Jianqiao provide high quality products and one -stop solutions for dozens of top 100 enterprises and 11289 end users.
The company manufactures all kinds of vibration and environmental testing equipment in strict accordingwith ISO9001 and products meet the standard of ISO, ASTM , DIN ,EN , BS , UL , JIS , GB/T , GJB,JIS,ANIS,UL,IEC etc. and other domestic and international standards .Our products are widely used in New energy vehicles, aerospace, - shipping, electronics industry and other industries, and are applicable to all scientific research units, quality inspection institutions and academic fields.
