The Battery Pack Step-in Three Comprehensive Testing Chamber evaluates lithium battery resilience under simultaneous temperature (-40°C to 85°C), humidity (10-98% RH), and vibration (5-2000Hz) stress. Features multi-axis control, real-time data analysis, and compliance with UL 1642/IEC 62133 for EVs, renewables, and aerospace applications.
Relevant Standard Testing Requirements
1.1 The test object is a battery pack or system. Referring to the installation position of the test object on the vehicle and the requirements of GB/T2423.43, install the test object on the vibration test bench. The vibration test is carried out in three directions. The test starts from the Z-axis, followed by the Y-axis, and finally the X-axis. The test process refers to GB/T2423.56.
1.2 For the test objects installed below the vehicle crew, the test shall be carried out referring to Table 2, Table 4, Table 5 and Figure 1. For the test objects installed in other positions, the test parameters shall be carried out according to Table 2, Table 3, Table 5 and Figure 1.
Main Parameters
| Model | MVTH-125DW | |
| System | Balanced temperature and humidity regulation system | |
| Temperature range | The highest test temperature is 100ºC; the lowest test temperature is -60ºC, -40ºC | |
| Humidity range | 20%~98%RH | |
| Temperature fluctuation | ±0.5ºC | |
| Humidity fluctuation | ±2.5%RH | |
| Temperature deviation | ≤±2.0ºC | |
| Humidity deviation | ≤±3%RH(>75%)RH) ≤±5%RH(>75%)RH) | |
| Warm-up time | -40ºC~+85ºC interval, the average heating rate of the whole process is ≥15ºC/min | |
| Cooling time | +85ºC~-40ºC interval, the average cooling rate of the whole process is ≥15ºC/min | |
| Inner box size (W*H*D) mm | 2500*2500*2000 | |
| Insulation enclosure structure | Spray-plastic galvanized colored steel plate+temperature-resistant stress insulation material + SUS304# stainless steel plate composite assembly plate | |
| Box door size (cm) | Double door (1250+1250mm)*2, install explosion-proof chain | |
| Heater | Nickel-chromium alloy electric heating wire heater | |
| Humidifier | Semi-closed steam humidification (boiler type) | |
| Freezing system | Water-cooled | |
| Superimposed, semi-closed imported compressor, environmentally friendly refrigerant | ||
| Controller | Display screen Operating mode Memory capacity Precision Input Communication interface |
7"TFT touch screen, Chinese/English display 7" TFT, Program control, customized control 120 groups of programs*1000 segments (can be cycled separately 1000 times). The number of segments required for each group of programs can be arbitrarily divided, and each group of programs can be freely connected to each other. (Connect in up to 20 steps). Temperature: 0.1% Humidity: 0.1%~5V DCV Temperature: pt-100 Humidity: pt-1000 Without any converter, you can use the network cable RJ45 standard communication to connect to the computer LAN, which is convenient for remote monitoring and supports online multi-machine control and management. (Computer matching access is required) |
| Protection device | Fuse-free fuse switch, overpressure, overheating, overcurrent protection of compression molding machine, fan overload protection, dry burning protection, water shortage protection | |
| Standard accessories | 1 heat-insulating glass observation window, lead hole ( ∮50mm or ∮100mm)*1, 1 set of lights, indicator light | |
| Working environment temperature | 5ºC~+35ºC | |
| Power supply | Ac380±10% 50Hz three-phase four-wire + protective ground wire | |
| Safety protection | Equipped with an explosion-proof pressure relief port, an explosion-proof chain is installed on the box door, and the observation window is equipped with an explosion-proof partition. Smoke alarms, smoke exhaust pipes and video surveillance systems are installed in the box, and flammable gas detectors and fire extinguishing systems are optional. |
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Battery pack vibration test system
Vibration Test of the Electronic Devices in the Storage Battery Pack or System
2.1 For the test objects installed on the part above the vehicle suspension (vehicle body), conduct a random vibration test according to Figure 2 and Table 6. For the test objects installed in other positions, refer to the relevant tests in GB/T28046.3 for testing.
2.2 Execute the random vibration in accordance with GB/T2423.56. Each plane of the test object shall be subjected to an 8-hour vibration test.
2.3 During the vibration process, the test object shall operate in Mode 3.2 as required by GB/T28046.1-2011 for installation.
2.4 Requirements: For the storage battery pack or system, during the test, there shall be no abrupt voltage change in the minimum monitoring unit of the storage battery pack or system (the absolute value of the voltage difference shall not exceed 0.15V). The storage battery pack or system shall maintain a reliable connection and an intact structure. There shall be no phenomena such as leakage, casing rupture, fire, or explosion in the storage battery pack or system. The insulation resistance value after the test shall be not less than 100Ω/V.
For the electronic devices of the storage battery pack or system, they shall have a reliable connection and an intact structure during the test, without any looseness after installation. Moreover, the measurement accuracy of the status parameters after the test shall meet the requirements specified in Table 1.
| Frequency Hz | Power spectrum density (m/s²)7Hz |
| 10 | 20 |
| 55 | 6.5 |
| 180 | 0.25 |
| 300 | 0.25 |
| 360 | 0.14 |
| 1,000 | 0.14 |
| RMS | 27.8 medium size/s² |
Main Parameters
| Name of the equipment | Vibrating table (20 tons) |
| Sinusoidal thrust | 20000kgf |
| Random thrust | 8000kgf |
| Impact thrust (6 Master of Science) | 16000kgf |
| Frequency range of use | 2~2500Hz |
| Continuous displacement | 76mm |
| Impact displacement | 76mm |
| Maximum speed | 2m/s |
| Maximum acceleration | 981m/s |
| Diameter of dynamic coil | ∅445mm |
| First-order resonant frequency | 2400Hz±5% |
| Equivalent quality of moving parts | 52kg |
| Maximum load | 1100kg |
| Magnetic leakage | ≤1m |
| Automatic alicing, balance function | Equipped with a central zero-bit server, with automatic centering and balance functions |
| Cooling method of vibrating table | Secondary circulation water cooling |
| Measurement | L1495*W1110*H1183mm |
| The weight of the vibrating table | 3200kg |
| Horizontal slide | |
| Table size | 1500*1500mm |
| Frequency of use | 2-2000Hz |
| Maximum carrying capacity | 500kg |
| Table surface material | Magnesium alloy |
| Sliding platform structure | The horizontal slide platform and the vertical platform share the base |
| Oil pump | Provide |
| Table weight | 243kg |
| Vertical expansion table | |
| Table size | 2000*2000mm |
| Frequency of use | 2-500Hz |
| Table surface material | Magnesium alloy (inverted conical: including auxiliary support and guide device) |
| Controller | |
| Output channel of the controller | A standard drive channel |
| Control the input channel | 4 Input channels |
| Control software | 4 Software functions: sinusoidal control, random control, resonance search and residence control, impact control. |
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