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Thermal Runaway Testing Machine for Lithium Batteries | China Suppliers & Factory for Safety Risk Assessment
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Thermal Runaway Testing Machine for Lithium Batteries | China Suppliers & Factory for Safety Risk Assessment

The thermal runaway test machine is a state-of-the-art testing device manufactured in China, specifically designed to evaluate the safety of lithium batteries used in various applications, including power, storage, and consumer electronics. This equipment simulates extreme conditions such as overheating, overcharging, puncturing, compression, and external short circuits to detect thermal runaway events. As a leading supplier in the industry, our factory ensures that this testing machine effectively monitors the heat propagation process and assesses potential safety risks, making it an essential tool for manufacturers looking to enhance battery safety standards

    Technical Specifications

    Name

    Thermal Runaway Testing Machine

    Model

    TA-RSK-PC

    Control Method

    Remote computer control + video surveillance

    Trigger Mode

    Overcharge and heating modes (standard)

    DC Overcharge Trigger Control Parameters

    Control Object

    Overcharge control of individual battery cells

    Control Method

    Computer programming control
    Controllable overcharge current and voltage

    Controller

    Programmable intelligent DC power supply

    Number of overcharge mode channels

    1 channel

    Overcharge voltage range

    0~10V adjustable(customized)

    Overcharge voltage accuracy

    ≤0.3%+2LSB

    Overcharge voltage resolution

    0.001V

    Overcharge current range

    0~300A adjustable(customized)

    Overcharge current accuracy

    ≤0.3%+2LSB

    Overcharge current resolution

    0.1A

    Exchange Heating Trigger Control Parameters

    Control Object

    Heating element: Heating plate (maximum power 3kW)
    Customizable size and power according to requirements

    Control Mode

    Computer programming control

    1: Controllable rate control: 4–7 ℃/min; Adjustable temperature rise rate

    2: Multi step or power progressive control can be performed on the power of each heating plate, such as power progressive control from 50W/min to 500W/min; Power can be set arbitrarily

    3: Synchronize the generation of curves to reflect the testing status more realistically and intuitively

    Controller

    Programmable intelligent AC variable frequency power supply

    Channels

    1 channel AC220V–3kW

    Output

    Phase: 1Ø 2W

    Phase voltage: Low 0–150VAC / High 0–300VAC

    Frequency: 45–200Hz, 0.1 Step

    Max current: L=200V–25A / H=400V–12.5A

    LED Display

    Voltage Vrms、Current Arms、Frequency Fre、Power Wattage、Power Factor PF

    Power supply stabilization rate

    0.1%

    Load regulation

    1%

    Measurement accuracy

    Voltage: 0.5%FS+5dgt

    Current: 0.5%FS+5dgt

    Power: 0.5%FS+5dgt

    Frequency: 0.01%FS+5dgt

    Set accuracy

    Voltage: 1%FS

    Frequency: 0.1%FS

    Current limiting setting

    0–Max Current (Power protection for exceeding current setting value, stop output)

    Protection

    Over Current, Over Temp
    Short Circuit, Over Load

    Communication interface

    RS232C

    Data Acquisition System

    Voltage acquisition channel: 2 channels

    Voltage collection range: 0–10V

    Voltage acquisition accuracy: ≤0.2%FSR

    Voltage acquisition frequency: 50Hz

    Temperature acquisition channel: 4 channels

    Temp collection range: 0~800℃

    Temp acquisition accuracy: ±1℃

    Temp acquisition frequency: 50Hz

    Monitor System

    Camera resolution: 1080P, 5 million pixels

    Explosion Proof Box (optional)

    (1) Volume: 1m³ / 1.5m³ / 2m³ customizable

    (2) Steel plate thickness: 5mm / 8mm / 10mm; Single or double layered, customizable

    Equipment Size

    Power control host: W750 × D750 × H1200 mm

    Customized explosion-proof box size

    Equipment Weight

    Power control host: 50kg

    Explosion proof box: 0.5t~2t (optional)

    Equipment Power Supply

    AC220V / AC380V

    Total Power

    4KW

    Triggering Capabilities
    • Needle Penetration Trigger Equipped with various diameters ranging from 3mm to 8mm steel needles, it supports high-precision displacement control and adjustable puncture speed, precisely simulating the internal short circuit caused by foreign object puncture.
    • High-Temperature Heating Using ceramic heating, flexible heating sheets or induction heating methods, it can rapidly increase the temperature from room temperature to the heat runaway trigger point, with precise and stable temperature control.
    • Overcharge Trigger The built-in high current and high voltage charging and discharging interface enables direct triggering of overcharge and overdischarge and other types of electrical abuse.
    • Laser Triggering By leveraging the high energy density characteristic of lasers, we can achieve localized, non-contact, and precise thermal triggering.
    Safety Features
    • Explosion-Proof Structural Design Utilizing high-strength stainless steel inner tank combined with reinforced frame structure, it can withstand the instantaneous shock pressure generated by battery thermal runaway.
    • Pressure Relief Window / Explosion-Proof Door Equipped with a mechanical automatic pressure relief device, which opens quickly to release pressure in case of overpressure.
    • Exhaust Gas Treatment System Supports built-in or external smoke gas purification units, which can effectively filter out toxic and corrosive gases such as HF and CO.
    • Fire Extinguishing and Cooling System Equipped with automatic fire suppression spraying and emergency nitrogen blowing functions, which can quickly suppress the fire.
    Standards Compliance
    GB 38031-2020
    UL 2580
    IEC 62133 / IEC 62619
    UN 38.3
    Data Acquisition & Analysis
    • Multi-Channel Temperature Monitoring Supports 16/32 channels of K/T type thermocouples, for real-time collection of battery multi-point temperatures.
    • Voltage and Pressure Monitoring Synchronously records voltage drops and changes in cabin pressure.
    • Gas Composition Analysis Optional gas analyzer can be equipped to monitor concentrations of H₂, O₂, CO, etc.
    • Synchronized Curve Display Video and temperature, pressure, and electrical signals are displayed simultaneously in real time.
    Frequently Asked Questions
    1. After a fire or explosion test, will the test cabin be able to be reused? +
    The equipment is specifically designed for battery destructive testing:

    The inner liner is made of 304/316 corrosion-resistant stainless steel, which can be directly cleaned with a high-pressure water gun, making maintenance very convenient.

    Modular Design for Wearable Parts: The needle assembly and heating plate are both of quick-change structure, making replacement easy.

    Just clean up the combustion residue in time and check the sensor lines, and the equipment can undergo multiple repeated thermal runaway tests, eliminating the need for frequent factory repairs.
    2. How can we ensure the consistency of the ignition temperature control and avoid fluctuations in experimental data? +
    The equipment adopts closed-loop control:

    1. Displacement control: Servo motor drives the needle, with an accuracy of ±0.1mm
    2. Temperature control compensation: PID constant temperature regulation, eliminating environmental errors
    3. After a thermal runaway occurs, how should the toxic and harmful smoke generated be dealt with? +
    The thermal runaway of the battery will produce toxic and corrosive smoke such as HF, CO, and hydrocarbons.

    The equipment is equipped with a dedicated smoke treatment interface, which can be linked to the laboratory scrubber or purification system. After the test, it will automatically expel the air forcefully, and the exhaust gas will be filtered through multiple stages including activated carbon and alkaline washing, achieving compliance with emission standards and protecting the laboratory environment and personnel safety.
    4. What battery types and sizes are compatible with this thermal runaway testing machine? +
    The TA-RSK-PC Thermal Runaway Testing Machine is designed to accommodate a wide range of battery formats, including cylindrical cells, pouch cells, and prismatic cells. The explosion-proof box and heating plate dimensions are fully customizable to match your specific battery size and capacity requirements, ensuring versatile application across different battery chemistries such as Li-ion, LiFePO₄, and NMC.
    5. Can the system support simultaneous triggering of multiple thermal runaway modes? +
    Yes. The system supports both overcharge and heating trigger modes as standard, and can be configured to switch between or combine multiple trigger methods including needle penetration, high-temperature heating, overcharge, and laser triggering. The computer programming control interface allows users to set custom sequences and parameters for each mode, enabling comprehensive abuse testing in a single platform.
    6. What international standards does this equipment help comply with, and is it suitable for certification testing? +
    The Thermal Runaway Testing Machine is engineered to support compliance testing in accordance with major international battery safety standards, including GB 38031-2020, UL 2580, IEC 62133, IEC 62619, and UN 38.3. The precise control of trigger parameters, synchronized multi-channel data acquisition, and video monitoring make it suitable for both R&D validation and formal certification testing workflows.

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