Precautions for using the Bottom Ball Impact Test Machine
Publish Time: 2025-06-16
The Bottom Ball Impact Test Machine is a device specially used for bottom ball impact tests of power battery packs or systems. It evaluates and assesses the safety of battery products under bottom ball impact test environments by simulating bottom impact scenarios under real road conditions. During the experiment, the device can measure the temperature, voltage, pressure, displacement, speed and other data of the sample, providing a scientific basis for the safety design of battery products. To ensure the safe and stable operation of the equipment, as well as the accuracy and reliability of the test results, the following matters need to be noted during use:
I. Operator requirements
Professional training: Operators must undergo professional training and be familiar with the performance, operating procedures and safety precautions of the equipment. Untrained personnel are not allowed to operate the equipment at will to avoid safety accidents or affect the test results.
Safety protection: When conducting tests, operators must wear safety protection equipment, such as safety glasses, gloves, safety shoes, etc., to prevent injuries caused by steel ball rebound, debris splashing, etc.
II. Preparation before the test
(1) Equipment inspection
Appearance inspection: Check whether the equipment is intact, whether all parts are complete, and whether there is any damage or looseness. Pay special attention to the status of key components such as steel balls, fixtures, sensors, etc.
Electrical inspection: Check whether the power cord of the equipment is intact and whether the grounding is good. Ensure that the electrical system of the equipment is safe and reliable to avoid safety accidents caused by electrical failures.
Control system inspection: Check whether the control panel, display and buttons of the equipment are operating normally. Ensure that the control system can accurately control the test parameters, such as impact height, impact energy, etc.
Lubrication inspection: Lubricate the moving parts of the equipment to ensure smooth operation of the equipment. In particular, lubricate the ball delivery device and test platform regularly to reduce the possibility of wear and failure.
(2) Sample preparation
Sample selection: Select a suitable power battery pack or system as a sample according to the test requirements. Ensure that the sample meets the test standards and is representative.
Sample pretreatment: Let the sample stand for a certain period of time at a specified temperature (such as 20±5℃) to ensure that the initial state of the sample is consistent. Avoid deviations in test results due to differences in sample temperature.
Sample installation: Place the sample on the test platform as required and ensure the stability of the sample. For power battery packs, special attention should be paid to their fixing method to avoid movement or falling off during the impact process.
(3) Environmental preparation
Temperature control: Ensure that the temperature of the test environment meets the standard requirements. The general test temperature is 20±5℃. Too high or too low temperature may affect the test results.
Humidity control: Control the humidity of the test environment to avoid moisture in the equipment or changes in sample performance due to excessive humidity.
Vibration control: Ensure that there is no violent vibration in the test environment to avoid affecting the accuracy of the test results.
III. Test process operation
(I) Parameter setting
Impact height: Set the impact height according to the test requirements. The impact height directly affects the impact energy and must be set accurately. When setting the test stroke, the steel ball height must be accurately adjusted, and tools such as a square ruler must be used to ensure that the lower end of the steel ball is perpendicular to the required height scale.
Impact energy: Calculate and set the appropriate impact energy according to the test standard or product requirements. Impact energy is an important indicator for evaluating the ability of battery products to resist bottom impact.
Other parameters: Set other test parameters as needed, such as impact speed, number of impacts, etc. Ensure that all parameter settings are accurate.
(II) Test execution
Steel ball positioning: Ensure that the center of the steel ball is aligned with the center of the fixture and fix the steel ball. Avoid inaccurate impact due to steel ball offset.
Platform adjustment: Raise the test platform to the predetermined height to ensure that the ball can accurately impact the sample after being released. When adjusting the platform height, pay attention to whether the platform is stable to avoid impact deviation due to platform tilt.
Start test: Start the test program, the ball delivery device releases the ball, and performs impact test on the sample. During the test, the operator should closely observe the operating status of the equipment and the reaction of the sample.
Data recording: During the test, observe and record the temperature, voltage, pressure, displacement, speed and other data of the sample in real time. Ensure that the data is accurate and complete, and provide a reliable basis for subsequent analysis.
(III) Safety precautions
Personnel safety: During the test, it is forbidden to stand under the test platform or near the ball delivery device to avoid accidental injury. Operators should maintain a safe distance and pay attention to the working status of the equipment at all times.
Equipment safety: It is strictly forbidden to overload or test beyond the equipment specification range to avoid damage to the equipment. During the test, if the equipment is abnormal or the test results are abnormal, the test should be stopped immediately and the equipment should be checked.
Emergency treatment: If any unsafe situation is found, such as the steel ball jumping out of the box, abnormal vibration of the equipment, etc., the emergency stop switch (red switch) should be pressed immediately to stop the equipment from running, and appropriate emergency measures should be taken.
IV. Post-test processing
(I) Equipment cleaning
Steel ball cleaning: After each test, wipe the steel ball clean and put it back into the box. Avoid impurities or oil on the surface of the steel ball, which will affect the accuracy of the next test.
Platform cleaning: Clean the debris and garbage around the test platform and equipment. Keep the equipment clean to avoid equipment failure or test results caused by accumulation of debris.
Equipment maintenance: Clean and maintain the equipment regularly to keep the appearance of the equipment clean and rust-free. Lubricate the moving parts of the equipment to ensure smooth operation of the equipment.
(II) Sample processing
Sample inspection: Check the state of the sample after the test and record the deformation, damage, etc. of the sample. Provide intuitive basis for subsequent analysis.
Sample preservation: Keep intact samples for subsequent analysis. For damaged samples, they should be properly handled to avoid pollution to the environment.
(III) Data collation and analysis
Data collation: Sort the data recorded during the test to form a complete test report. Ensure that the data is accurate and clear for subsequent analysis.
Data analysis: Analyze the test data to evaluate the safety of battery products in the bottom ball impact test environment. According to the analysis results, put forward improvement suggestions or optimization plans.
V. Daily maintenance and care
(I) Regular inspection
Component inspection: Regularly check the various components of the equipment to ensure that the connection is tight and there is no looseness or falling off. In particular, focus on key components such as sensors and control systems.
Performance calibration: Regularly calibrate and verify the equipment to ensure that the equipment performance meets the test requirements. The calibration content includes key parameters such as impact height and impact energy.
Software update: Update the control software of the equipment regularly to ensure that the software functions are perfect and the operation is stable. Avoid equipment failure or test results caused by software vulnerabilities.
(II) Replacement of wearing parts
Jaws, hammer blades and other parts: Please maintain or replace the jaws, hammer blades and other wearing parts of the test machine in time. For example, iron filings left in the jaws after the impact test should be removed in time to prevent the impact energy from deviating too much and the jaws from being worn out.
Sensor: The impact sensor is the most sensitive part of the entire machine. If it touches other objects outside the sample during the test, the sensor may be damaged. Therefore, the status of the sensor needs to be checked regularly and replaced in time if damaged.
(III) Environmental control
Temperature and humidity: Keep the temperature and humidity of the test environment stable to avoid equipment performance degradation or sample performance changes due to environmental changes.
Dust and moisture protection: Take necessary dust and moisture protection measures to protect the equipment from dust and moisture. Especially in humid areas or seasons, the moisture protection of the equipment should be strengthened.
VI. Troubleshooting and emergency treatment
(I) Troubleshooting
Power supply check: If you encounter equipment failure or abnormal situation, first check whether the power supply is normal, whether the plug is loose or in poor contact.
Component inspection: Check whether the connection of each component is tight, whether there is any looseness or falling off. In particular, focus on the inspection of the electrical system and control system.
Sensor and control system inspection: Check whether the control system and sensor are working properly. If there is any abnormality, they should be replaced or repaired in time. Avoid inaccurate test results or equipment damage due to sensor or control system failure.
(II) Emergency treatment
Emergency shutdown: When the equipment is abnormal or a safety hazard is found, the emergency stop switch should be pressed immediately to stop the equipment from running. Avoid the accident from expanding or causing more serious consequences.
Evacuation of personnel: In an emergency, the operator and other unrelated personnel should be evacuated quickly to ensure the safety of the personnel.
Contact maintenance: If you encounter a fault or problem that cannot be solved, you should contact the equipment manufacturer or professional maintenance personnel in time to deal with it. Avoid equipment damage or safety hazards caused by self-repair.
VII. Operation Specifications and Training
(I) Operation Specifications
Bottom Ball Impact Test Machine is operated strictly in accordance with the operation manual: the operation manual must be carefully read before operation, and all warning signs must be clearly marked. Operators must operate strictly in accordance with the requirements of the operation manual and must not change the test parameters or operation steps without authorization.
Avoid multiple people operating at the same time: When operating the test machine, two people should avoid operating at the same time, especially one person placing the sample and the other operating the impact action. Avoid safety accidents or affecting the test results due to improper operation.
(II) Training and Education
Regular training: Operators are trained and educated regularly to improve their professional skills and safety awareness. The training content includes equipment operation, safety precautions, troubleshooting and other aspects.
Safety education: Strengthen safety education to improve the safety awareness and self-protection ability of operators. Make operators fully aware of the importance of safe operation and consciously abide by safety operating procedures.
