5V 30A 128 Channel Prismatic Cell Grading Device With Energy Regenerative Function

Ⅰ、Model No. and structure：

Model No.：TMAX-EF128-30k；

Equipment structure: The fixture adopts an overall automatic downward pressure design, and the batteries are placed on both sides

Machine size reference（mm）：L2130mm*W700mm*H2020mm

Note: The positive and negative fixtures are designed using a pneumatic overall pressing method, with a maximum compatible distance of 150mm and a minimum distance of 45mm between the positive and negative electrode. The maximum height of compatible batteries is 220mm.

Note: The center distance between batteries is 78.5MM.

Note: The fixture adopts an automatic cylinder pressing and opening method, which saves energy and improves efficiency.

Fixture frame size parameters

Item	Specification
Fixture type	True four wire method multi needle clamp with adjustable spacing between positive and negative electrodes.
Tray height spacing	270MM
Minimum floor height above ground	270MM
The highest level above the ground	1620MM
Center distance between fixtures	78.5MM
Compatible battery height	50-220MM

Ⅱ、Main functions of the device

*Adopting modular manufacturing, with strong universality and easy maintenance.

*Adopting the four wire method for measurement, improving high testing accuracy.

*Each battery channel has a completely independent constant current and voltage source, and the self formed circuit does not affect each other.

*The equipment adopts the control method of sending the entire process.

*The sampling speed is fast, and the entire cabinet inspection time is ≤ 6s.

*Complete Windows platform software with powerful functions, user-friendly human-machine interface, and simple operation. The upper computer can set up to 32 steps and 256 cycles, and each formation step can have four optional attributes: constant current charging, constant voltage charging, constant current discharge, and sleep.

*Capable of real-time drawing of dynamic curves of each battery's formation and capacity division process, including voltage/time curve, current/time curve, capacity/time curve, energy/time curve, capacity/voltage curve, and other functional menus.

*LED indicator lights are used to indicate the working status of the battery.

*Communication method: RS485/WIFI.

*Each upper computer can monitor up to 10 devices.

*Equipped with data power-off protection function, it can continue to operate when there is a call.

*The software has the functions of editing and modifying the files in the process library, creating new monitoring, opening, closing documents, printing, and setting functions.

Ⅲ、Specification

ITEM	TMAX-EF128-30K
Channel	128 channel
Charging/discharging current range（mA）	200～30000
Current measurement accuracy	±0.05%FS+0.05%RD
Current resolution（mA）	1
Voltage measurement range（mV）	0～5000
Charging voltage range（mV）	0～4500
Discharge voltage range（mV）	1800～4500
Voltage measurement accuracy	±0.05%FS+0.05%RD
Voltage resolution（mV）	0.1
Time measurement range and accuracy	999min/step，accuracy:±0.1%
Equipment calibration method	Software digital calibration
Calibration cycle	6 months
Work step content	Constant current charging, constant current constant voltage charging, constant current discharge, quiescent state
Work step end conditions	Current, voltage, time, capacity
Maximum number of steps set	32
Maximum cycle set number	256
Curve display	Charge discharge current curve, charge discharge voltage curve, capacity curve
Capacity sharing method	Capacity grading, time grading, capacity+curve grading, time+curve grading, capacity+voltage grading, fixed point voltage grading
Protection method	Over current, under current, over voltage, under voltage, over capacity, and leakage current, with dual protection of hardware and software for charging over voltage/discharging under voltage
data statistics	The open circuit voltage, average voltage, working time, current, capacity, and platform capacity of each battery at each step; Detailed curves and data for each step; Count the number of batteries in each capacity segment, etc
Inspection speed（s）	≤6
Communication method	RS485/WIFI
Battery scanning function	Support barcode scanning, capable of scanning one-dimensional and two-dimensional codes, including sequential scanning and channel skip scanning, and binding with device channel information for easy traceability in the future. (According to the barcode method of the user, the wireless scanning gun is provided by Party B)
Data processing function	1. Local data Save detailed data of the device's operation locally, without deleting it. Follow the process of saving one file per run, and the data file can be copied to other computers for viewing. Save the result data of the device's work locally, without deleting it. Save a CSV file for each process run, and only save the end data of each step in the result data file. 2. Server data If a data server is configured, the result data can be uploaded to the number of servers According to the database, the retention period can be set according to customer requirements, and this CSV file is the standard Database format, which can be integrated with the MES system
Number of controllable devices per computer	1～10
Frame size (mm) (reference)	L2130mm*W700mm*H2020mm
Total power of equipment（KW）	≤34
Power efficiency	The charging and discharging power supply adopts energy-saving power supply, and the battery discharge energy is fed back to the power grid. The maximum efficiency of power charging output shall not be less than 70%, and the maximum efficiency of power recycling shall not be less than 65%.
Equipment stability	The equipment has good long-term stability and accuracy calibration ensures that it does not exceed the agreed accuracy control range within 6 months.
Working power supply	3 phase,AC380V±10% 50Hz
Air switch	Three phase four wire air switch with zero line leakage protection function
Working compressed air	Not less than0.5MPa/air inlet:10mm

 

Ⅳ、AC/DC Bidirectional power supply

The equipment adopts energy-saving AC/DC bidirectional power supply, with high charging efficiency and feedback of battery discharge energy to the power grid.As shown in the above figure, a portion of the battery discharge energy is used internally by the power supply itself, another portion is used by other charging devices, and the remaining portion is fed back to the power grid for use by other devices.