Manufacturer-supplied battery pack extrusion acupuncture testing machine Power battery extrusion and acupuncture all-in-one machine

Product Usage:
The battery pack extrusion acupuncture equipment is mainly used for the safety verification test of power battery modules, PACK-level battery packs and structural parts of new energy projects. It is used to evaluate the safety performance of the battery; in the event of a fire or explosion of the battery during the test, the device can ensure personal safety and will not cause harm to the test environment. The product test function of the machine is rich, and the test parameters can be flexibly adjusted.

Equipment meets standards
1.GB/T 31467.3-2015 “Lithium-ion power battery packs and systems for electric vehicles – Part 3: Safety requirements and test methods” 2.GB/T 31485-2015 “Safety requirements and test methods for power batteries for electric vehicles”
3.UL 2580 “Electric Vehicle Power Battery Pack Safety Standard” UL1973 “Energy Storage Battery Certification Guide”
5. SAE J2464-2009 “Electric and Hybrid Electric Vehicle Charging Energy Storage Safety and Abuse Test”
6. GB/T 31486-2015 “Electrical performance requirements and test methods of traction batteries for electric vehicles”
7.QC/T 741-2006 “Supercapacitors for Vehicles”
8.QC/T 742-2006 “Lead-acid batteries for electric vehicles”
9.QC/T 744-2006 “Metal Hydride Nickel Batteries for Electric Vehicles”
10.GB/ T 18332-2015 “Zinc-air batteries for electric vehicles”, etc.

Device Description
1 Equipment introduction:
This machine is mainly used for the safety verification test of power battery modules, PACK-level battery packs and structural parts of new energy projects. It is used to evaluate the safety performance of the battery; the equipment can absolutely guarantee personal safety and will not cause harm to the test environment in the event of a battery fire or explosion during the test. The product test function of the machine is rich, and the test parameters can be
Flexible adjustment.
2 system composition:
The battery pack extrusion acupuncture testing machine is composed of a power drive system (hydraulic unit), a test host table, a sample lifting platform, a sample drag electric tool, a control system, an extrusion acupuncture fixture, a monitoring and measurement system and a safety protection system. .

Main technical parameters of battery pack extrusion acupuncture equipment:
1. Equipment structure and type: horizontal structure, open test area.
2. The maximum load-bearing capacity of the test bench: 10Ton.
Drive mode; driven by electro-hydraulic servo system.
4. Pressure and speed control: electro-hydraulic servo control, to ensure the test process is carried out at a uniform speed, to avoid the extrusion head rushing forward or stop the inertial forward movement after the test and the back after the battery expands.
5. Pressure range: 10kN550kN, acupuncture force ≥100kN.
6. Pressure acquisition frequency: >100Hz.
7. Power display: high-precision pressure sensing and display through the computer display.
8. The size of the effective space for equipment testing is not less than: W2500mmXD2500×H1000mm.
9. The maximum test stroke: 2500mm, which can test the displacement at full scale.
10. Displacement resolution: 0.01mm.
11. Displacement accuracy: ±0.1%
12. Extrusion speed: adjustable within the range of 0.8900mm/min,
13. Needling speed: adjustable within 0.0880mm/s.
14. Speed ​​accuracy: ±1%.

15. Voltage acquisition and control:
15.1. Voltage acquisition range: 10V1000v, voltage resolution ≤0.01V.
15.2. Voltage acquisition accuracy: within the range of 10V’1000V, the measurement tolerance of the actual reading is not greater than ±1%
15.3. Acquisition channel: 1 channel.
15.4. Voltage acquisition frequency: >100.
16. Unit: Kg , N , kN
17. Pressure holding time: can be set arbitrarily within 0~9999s.
18. Lifting platform:
18.1. Platform size: 2000X1500×40mm, material: sUS #201 stainless steel + insulating paint.
18.2. Platform bull’s eye bearing: easy to replace, no screw fixation, the diameter of the mounting hole can be 0.1mm larger than the bearing seat; the size distribution is 120*120mm.
18. Lifting stroke: 0-300mm adjustable.
18. Platform load bearing: 10Ton.
18.5. Lifting mode: automatic and manual.
18.6. Sample delivery platform: 2000X1500mm liftable electro-hydraulic vehicle, with bullseye universal bearing on the table, which is convenient for pushing and pulling the battery to adjust the position of the battery under test.

19. Sample fixing fixture: There is a general fixture of aluminum alloy material in the test area, which is convenient for fixing the battery sample, and there is a fixture to block when the needle is withdrawn in the acupuncture test to prevent the battery from returning to the same position when the needle is withdrawn.
Prevent the battery from returning to its original position when the needle is pulled out.

20. Extrusion head type and quantity:
20.1. Single cylinder extrusion head; radius 75mm * length 1000mm, quantity 1
20.2. Multi-cylinder extrusion head: radius 75mm * length 1000mm, quantity 1
20. The surface of the extrusion head is covered with Teflon insulating tape for effective insulation.
20.4 For various types of extrusion needle punching fixtures, the actual size tolerance is 0.5%.
twenty one. Extrusion head installation mode: base plate connection mode, extrusion panel without thread and screw hole processing mode, and the extrusion head finish is 0.81.6Ra, the extrusion head supports horizontal and vertical installation.
twenty two. Acupuncture clamps: 8m and 20m in diameter, suitable for two sets of single-needle clamps and two sets of three-needle clamps (see Figure 2021), 4 sets in total;

23. Steel needle material and configuration quantity:
23.1. Steel needle material: imported stainless steel needle.
23.2. Number of needle types: 5 5mm, 5 6mm, 5 Smm, 5 10mm, steel needle length L = 200 mm.

24. Extrusion acupuncture control mode
24.1. Using remote control mode, PC remote control working mode, the maximum line length can reach 50m.
24.2. The equipment can be run with a fixed value or a program, and the program parameter settings include but are not limited to time, voltage, pressure, speed, acquisition frequency, etc.
24.3 The amount of extrusion deformation must meet the multi-gear setting within 0-100% to realize multi-stage extrusion deformation step jump;
24.4. The extrusion rate has a dynamic adjustment function, that is, a speed value can be set for the initial extrusion speed. When the extrusion head touches the sample, the extrusion speed jumps to another preset speed (set by the step). .
24.5. The test stop condition can set the stroke, deformation, pressure value, voltage value, temperature value, etc. Pressure, stroke, deformation, and voltage value can be used as control variables alone or in combination, and the test will be stopped when any condition reaches the set value.

25. List of extrusion stop conditions (including but not limited to the following conditions):
25.1. The pressure cut-off can be set. When the pressure between the external casing of the battery and the extrusion fixture reaches a certain value, the extrusion test will be stopped.
25.2. The deformation amount can be set to cut off. When the external dimension of the battery is compressed to a certain amount, the extrusion test is stopped.
25.3. The voltage cut-off can be set. When the external output voltage of the battery reaches a certain value, the extrusion test will be stopped.
25.4. The extrusion test can be stopped when any one of the above three conditions is met.
26. Multi-stage extrusion can be set, and the number of stages is greater than or equal to 5.
27． Signal transmission mode: RS232 serial port high-speed transmission serial port.

28. Test data storage and display:
28.1. The test data can be saved, and the common EXCEL data report format or form can be exported through the software, and the test data can be displayed in the form of a curve.
28.2. Report saving and display mode: Excel format, intelligent report, can automatically mark initial value, average value, extreme value and peak value.
28.3. Force, displacement, voltage and temperature are monitored at the same time and on the same software interface, variables such as force, displacement, speed, time, total voltage, auxiliary voltage, and auxiliary temperature during the test can be collected at the same time, and these variables can be automatically saved. All variables into one data file to facilitate post-processing of experimental data.
28.4. Variables such as extrusion force, displacement, speed, total voltage, and auxiliary temperature can be matched with the test video through the time axis, so as to comprehensively analyze the test data.
28.5 Time error: the recording time of the equipment operation, its measurement tolerance is not more than ±0.1%, and the real-time reading and recording data of the equipment is consistent with the actual data.
29. Temperature collection:
29.1. Collection range: -20℃1200℃.
29.2. Temperature sensing element: J-type thermocouple.
29.3. Maximum resolution: 0.01°C.
29.4. Temperature acquisition accuracy: 0.5℃.
29.5. Channel: 1 channel.