In the realm of battery technology, ensuring product safety and reliability is of utmost importance. The UN38.3 standard for battery transportation safety has set stringent requirements for battery testing, and our High - Frequency Vibration Test Chambers are specifically engineered to meet these demands with precision and efficiency.
Precision in High - Frequency Vibration Simulation
Wide Frequency Range
Our test chambers are capable of generating high - frequency vibrations within a range of 5Hz to 3000Hz. This wide frequency span is crucial for accurately replicating the vibrations that batteries may encounter during transportation, especially in scenarios involving air travel. Airlines and shipping companies often subject batteries to a complex mix of vibrations, and our chambers can simulate these conditions precisely. For example, the vibrations caused by aircraft engines and the turbulence during flight typically fall within this frequency range, and our chambers can reproduce them with remarkable accuracy.
Frequency Resolution
The high - frequency vibration test chambers offer an exceptional frequency resolution. They can adjust the vibration frequency in minute increments, down to 0.1Hz. This level of precision ensures that every aspect of the UN38.3 test requirements related to frequency is met. Whether it's testing the response of lithium - ion batteries to a specific frequency during a particular phase of the test or evaluating the long - term effects of continuous vibration at a narrow frequency band, our chambers can provide the exact conditions needed for comprehensive testing.
Technical Specifications
Shaker Specifications
| Rated Sine/ Random/ Shock Force | 1,100 kgf/1,100 kgf/2.200 kgf | Armature Mass | 11kg |
| Frequency Range | 5-3.000 Hz | Inserts Size (Standard) | M8 |
| Max./Continuous Displacement p-p | 51 mm/ 51 mm | Load Attachment Points (Standard) | 17 |
| Max. Velocity | 2.0 m/s | Natural Frequency-Thrust Axis | <3Hz |
| Max.Sine/ Random Acceleration | 100/60g | Mac Vertical Load Support | 300 kg |
| Armature Diameter | 235 mm | Stray field @ 152 mm above table | ≤1mT (10 gauss) |
| Fundamental Resonance frequency | 2,500 Hz (nom.) ± 5% | Dimension LxWxH | 940 mmx715 mmx780 mm |
| Allowable Armature Overturning Moment | 300 Nm | Weight (Uncrated) | 1.000 kg |
| PA10K Power Amplifier Specifications | Blower Specifications |
| Rated Output Capacity | 10kVA | Bl ewer Power | 4kW |
| Signal to Noise Ratio | ≥65 dB | Air Flow | 0.38 m3/s |
| Amplifier Efficiency | ≥90% | Air Pressure | 0 048kgf/cm2 |
| System Protection | Multiple | Air Duct Diameter/ Length | 120/4000mm |
| Dimension (Uncrated) LxWxH | 610mmx900mmx 1,550mm | Dimension (Uncrated) LxWxH | 610mmx750mmx 1,450mm |
| Weight (Uncrated) | 400 kg | Weight (Uncrated) | 120Kg |
| Chamber | Dimensions (mm) |
| Capacity | 512L |
| Inner Chamber Dimensions | 800×800×800mm (W width × D depth × H height mm) |
| Temperature Range | -40℃～+150℃ |
| Cooling Rate | +20℃～-40℃ Average throughout the range: 2℃/min |
| Humidity Range | 20%RH～98%RH |
| Overall Dimensions | 1200×2500×1500 (W width × D depth × H height mm) excluding lifting table dimensions |
| Weight | 1500kg |
Meeting UN38.3 Test Criteria
Vibration Profiles
UN38.3 specifies a set of vibration profiles that batteries must endure. Our test chambers are programmed to execute these profiles flawlessly. The profiles include different vibration intensities and durations, designed to simulate the real - world stressors that batteries experience. For instance, the chambers can simulate the vibrations during takeoff, landing, and mid - flight, which are critical stages for battery safety. By following these specific profiles, we can accurately assess the integrity of batteries and identify any potential issues that could lead to safety hazards during transportation.
Multiple Axis Testing
The test chambers support multi - axis vibration testing, which is essential for a comprehensive evaluation of battery reliability. Batteries are not only exposed to linear vibrations but also to vibrations from multiple directions simultaneously. Our chambers can apply vibrations along the X, Y, and Z axes, mimicking the complex motion that batteries may encounter in transit. This multi - axis testing ensures that all aspects of the battery's structure and performance are thoroughly examined, in line with the UN38.3 requirements.
Robust Construction and Safety Features
Durable Design
The chambers are constructed with high - quality materials to withstand the continuous operation and the intense vibrations generated during testing. The chamber body is designed to be rigid, minimizing any unwanted resonances that could affect the accuracy of the test results. This robust construction ensures long - term reliability and consistent performance, making it an ideal choice for battery manufacturers and testing laboratories that conduct frequent UN38.3 compliance tests.
Safety Interlocks
Safety is a top priority in our test chamber design. The chambers are equipped with multiple safety interlocks. For example, in case of any abnormal vibration levels, overheating, or power failures, the safety interlocks will immediately halt the testing process. This not only protects the batteries being tested but also ensures the safety of the operators and the surrounding environment. Additionally, the chambers are designed to contain any potential battery failures, preventing any hazardous substances from escaping.
Applications in the Battery Industry
Battery Manufacturers
Battery manufacturers rely on our high - frequency vibration test chambers to ensure the quality and safety of their products before they are released into the market. By conducting UN38.3 compliance tests in - house, manufacturers can identify and address any design or manufacturing flaws early in the production process. This helps in reducing product recalls, improving brand reputation, and ensuring that their batteries meet the strict safety standards required for transportation.
Testing Laboratories
Independent testing laboratories play a crucial role in validating the compliance of batteries with UN38.3. Our test chambers provide these laboratories with the tools they need to conduct accurate and reliable tests. The ability to precisely control the vibration parameters and execute the required test profiles makes our chambers a preferred choice for laboratories that offer battery testing services to a wide range of clients, including battery manufacturers, electronics companies, and transportation providers.
If you are in the battery industry and are looking for a reliable solution to meet the UN38.3 battery reliability testing requirements, our High - Frequency Vibration Test Chambers are the perfect choice. Contact us today to discuss your specific testing needs and let us help you ensure the safety and quality of your battery products.
