Testing machine for detecting the combustion performance of mobile phone batteries

Product Details

Product Description

Product Description
This machine suit for lithium battery (or battery pack) flame resistance test. Drill a circular hole with a diameter of 102mm on an experimental platform, place a wire mesh on the round hole, place the battery on the wire mesh screen, install an octagonal aluminum mesh around the sample, and then ignite the burner heats the sample until the battery explodes or the battery burns, and the combustion process is timed.
WORKING PRINCIPLE
1 Drill a round hole with a diameter of 102mm on an experimental platform, and place a steel wire mesh on the round hole.
2 Place the battery under test on the steel wire mesh screen, install an octagonal aluminum wire mesh around the sample.
3 Ignite the burner heats the sample until the battery explodes or the battery burns out, and the combustion process is timed
STADARDSonclusion:
The testing machine for detecting the combustion performance of mobile phone batteries is an essential tool for ensuring the safety and reliability of modern battery-powered d
1. UL 1642:2012 “Lithium Battery Standard”
2. UN38.3(2012) “Recommendations on the Transport of Dangerous Goods-Manual of Tests and Standards” Part III
3. IEC62133-2012 “Safety requirements for batteries and battery packs containing alkaline or non-acid electrolytes”
4. GB/T 31241-2014 　 “Safety requirements for lithium-ion batteries and battery packs for portable electronic products”
SAFETY SYSTEM
1. Explosion-proof pressure relief device
2. Smoke exhaust device
3. Fire extinguishing system
4. Electronic door lock system
5. Safety stop switch
SPECIFICATIONS

Item	Specification
Control method	push button or PLC touch screen
Burner	Bunsen burner, the inner diameter of the nozzle is 9.5mm, and the length is about 100 mm
Flame application time	0 ~ 999.9 seconds ± 0.1 seconds
Test round hole surface diameter	102mm
Test mesh sieve	woven from stainless steel wire with a diameter of 0.43mm (0.017inch) into a US inch mesh screen with 20 grids
Flame height	38mm
Inside dimension	750750500mm
Outside dimension	9009001300mm
Combustion gas	methane or liquefied petroleum gas (customer-owned)
Power supply	1-phase, 220V, 50Hz

Internal chamber material	1.2mm thick stainless steel plate with Teflon; strong corrosion resistance and flame retardant
External chamber material	1.5 mm thick A3 cold plate paint treatment
Observation window	Two-layer vacuum tempered glass observation window with size 250*250mm
Exhaust port	Diameter: 100mm; it start work once when machine operate
Door safety device	Open and power off threshold switch
Test hole	A test hole with a diameter of 50 mm on the left side of the machine

A testing machine designed for detecting the combustion performance of mobile phone batteries is crucial for evaluating the safety of lithium-ion and other battery technologies. These machines help simulate extreme conditions that may lead to battery failure, such as overheating, short-circuiting, or exposure to high temperatures. They are typically used in compliance with international safety standards to prevent battery-related accidents like fire, explosion, or thermal runaway.
Here is an overview of the features, standards, and testing procedures for a battery combustion performance testing machine:
Product Features:Thermal Simulation:
The testing machine can simulate excessive heat exposure to the battery, which could occur under real-world conditions like faulty chargers, damaged circuits, or high ambient temperatures.
Temperature ranges typically go up to 150°C or more, mimicking extreme operating conditions.
Overcharge and Short-Circuit Testing:
The machine can simulate overcharging by applying higher-than-normal voltage or current to the battery.
Short-circuit conditions can be simulated to assess the battery's response to a direct electrical fault.
Pressure and Mechanical Stress Testing:
Some machines can simulate physical abuse such as crushing, puncturing, or compression, which might trigger a thermal runaway reaction.
This is important because physical damage is one of the leading causes of catastrophic failure in batteries.
Gas Detection:
These machines are typically equipped with gas detectors to monitor the release of toxic gases (such as CO, CO2, and hydrogen fluoride) during combustion or thermal runaway, which helps assess the hazardous nature of battery failure.
Some models may have a gas scrubber to neutralize harmful fumes.
Controlled Environment:
The testing environment is tightly controlled, often in a chamber with precise temperature and humidity settings.
The chamber is designed to withstand the heat and gases produced by a failing battery.
High-Speed Monitoring:
Real-time temperature, voltage, current, and gas levels are monitored using sensors and recorded for analysis.
High-speed cameras or thermal cameras may be employed to capture the behavior of the battery during combustion events.
Safety Features:
These machines are typically equipped with safety protocols like automatic shut-off mechanisms, fire suppression systems, and containment shields to prevent accidents during the test.
Applicable Standards:Testing mobile phone batteries for combustion performance must adhere to a range of international standards and guidelines. Some of the key standards include:
UN 38.3 (United Nations Recommendations on the Transport of Dangerous Goods – Manual of Tests and Criteria):
This standard is widely used for evaluating the safety of lithium-ion batteries during transport, and it includes tests like overcharge, short-circuit, temperature, and altitude testing.
IEC 62133 (International Electrotechnical Commission - Safety requirements for portable sealed secondary cells and batteries):
It outlines the safety requirements for rechargeable batteries, including criteria for testing under conditions of heat, fire, and physical impact to assess combustion risk.
UL 2054 (Underwriters Laboratories – Standard for Household and Commercial Batteries):
This standard provides testing criteria for batteries used in consumer electronics, including tests for battery failure, heat resistance, and thermal runaway scenarios.
ISO 26262 (International Organization for Standardization - Road vehicles – Functional safety):
Although this standard is typically used for automotive applications, it includes guidelines for evaluating safety risks related to battery systems, including combustion hazards in high-energy environments.
UL 1642 (Underwriters Laboratories – Standard for Lithium Batteries):
UL 1642 is the primary standard used to evaluate the safety of lithium batteries and includes tests for thermal and combustion risks in case of abuse conditions.
Environmental Conditions:Temperature Range: The machine should be capable of simulating temperatures from -40°C up to 150°C (or higher for more extreme testing), to assess how batteries perform under various environmental conditions.
Voltage and Current Control: The machine must be capable of regulating and monitoring voltage and current levels precisely, especially when testing for overcharge or short-circuit conditions.
Airflow and Ventilation: Proper ventilation is critical, as failing batteries can release dangerous gases. The chamber should have sufficient airflow to control temperature and gas buildup during testing.
Safety Measures: The machine should have fire-resistant materials, automatic fire suppression systems, and clear safety instructions to protect operators and prevent unintended accidents during testing.
Testing Procedure:Initial Setup:
The battery under test is placed inside the combustion performance testing chamber, and all environmental conditions (temperature, humidity, airflow, etc.) are set as per the test requirements.
Sensors for voltage, current, temperature, and gas levels are calibrated and positioned for accurate readings.
Testing Process:
The machine applies the predetermined test conditions, such as overcharging, rapid discharging, temperature increase, or mechanical stress.
The battery’s behavior is monitored throughout the test, including signs of leakage, swelling, smoke, fire, or combustion.

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