HYNN-EPT60100A-2CH
Regenerative battery pack testing equipment
Contents
1、 Equipment Overview……………………………………………………………………………………………………………… 错误！未定义书签。
- Equipment description……………………………………………………………………………………………………… 错误！未定义书签。
- System structure………………………………………………………………………………………………………………. 错误！未定义书签。
- System features……………………………………………………………………………………………………………….. 错误！未定义书签。
System main functions：………………………………………………………………………………………………………………………………………… 4
System main features：………………………………………………………………………………………………………………………………………….. 4
2、 Equipment main functions…………………………………………………………………………………………………….. 错误！未定义书签。
- Function description………………………………………………………………………………………………………………………………………… 5
- Function description………………………………………………………………………………………………………………………………………… 6
- Basic process setting of equipment…………………………………………………………………………………………………………………. 7
- Equipment Advantages…………………………………………………………………………………………………………………………….. 7
3、 Main technical performance index………………………………………………………………………………………… 错误！未定义书签。
4、 Software operation instructions…………………………………………………………………………………………………………………………….. 12
- Upper rack main interface…………………………………………………………………………………………….. 错误！未定义书签。
- Process editing interface………………………………………………………………………………………………… 错误！未定义书签。
- Test data viewing interface…………………………………………………………………………………………… 错误！未定义书签。
5、 List of main parts of equipment…………………………………………………………………………………………….. 错误！未定义书签。
6、 List of random accessories list……………………………………………………………………………………………….. 错误！未定义书签。
7、 List of optional parts………………………………………………………………………………………………………………. 错误！未定义书签。
8、 Equipment Information…………………………………………………………………………………………………………. 错误！未定义书签。
9、 Services and support………………………………………………………………………………………………………………. 错误！未定义书签。
10、Packing、Transportation、Storage………………………………………………………………………………………………………………………. 16
- Packing：………………………………………………………………………………………………………………………………………………………. 16
- Transportation：…………………………………………………………………………………………………………………………………………… 16
- Storage：………………………………………………………………………………………………………………………………………………………. 16
Signature page………………………………………………………………………………………………………………………………… 错误！未定义书签。
Purchaser delegate： Supplier delegate：…………………………………………………………… 17
Contract date： Contract date：………………………………………………………………… 17
1、Equipment Overview
Equipment description
The regenerative battery pack testing equipment is independently developed by Hynn, which can test various performance indicators such as the charging and discharging performance, SOC, overcharging and over-discharging of lithium-ion battery packs. The equipment has the features of high power, high efficiency, high precision, high performance, etc. It adopts electric energy regenerative technology, which can greatly reduce the heat emission, electric energy consumption and operation cost of the equipment.
System Structure
The equipment is mainly composed of upper rack, middle rack, DC/AC module, DC/DC module, lower rack, data acquisition and processing system, etc. It can collect battery voltage, current, capacity, energy and other information in real time. The battery voltage and battery pack temperature data are collected, and the collected data is stored in a specially designed database, and various data statistics, analysis and report generation functions are provided.
System structure diagram, as shown in Figure 1:
图 1 系统架构图
System features
System main functions：
- Battery life cycle testing
- Battery capacity testing
- Battery Charge/Discharge characteristic testing
- Battery SOC retention ability testing
- Battery charge/discharge efficiency testing
- Battery overcharge/over-discharge endurance testing
- Battery dynamic testing
System main features：
- The equipment adopts electric energy regenerative technology, which has high energy saving efficiency and low heat generated by the system, which can greatly reduce the heat emission, power consumption and operation cost of the equipment;
- The equipment accuracy is 05%, the data recording time can reach 1S/time, and high stability;
- Single point independence, independent charging and discharging conditions can be set for each channel;
- Complete input and output, software and hardware protection, reverse connection protection, power failure continued connection protection and other functions;
- Multi-layer network integrated management, centralized control by one computer, large system supports remote monitoring;
- According to needs, the channels can be used in parallel to achieve multiple uses in one machine;
- When the computer is abnormal, it supports offline operation at an appropriate time;
- Modular design concept, box plug-in design, easy to maintain;
2. Equipment main features
、Function descriptions
- The equipment is mainly used to test battery charging and discharging and related battery characteristics, and the test channel is completely independent. Through software programming control, customers can arbitrarily program the current and voltage within the range to charge and discharge the battery, start and bind the test data according to the barcode, carry out product information tracking management, and monitor the battery data changes in real time during the battery charge and discharge
- Safety protection: The device has the functions of anti-reverse output connection, abnormal voltage sampling line, abnormal current test line detection and protection In the case of reverse battery connection, the channel cannot input and output current normally; when the voltage sampling line falls off or is disconnected, the current line. When the contact is not good, the equipment detects the abnormality in time and suspends the test channel. It has power-off protection, over-current protection, over-voltage protection, over-temperature protection, which can ensure test safety.
- Processing steps: You can customize variables to participate in programming, realize a variety of combined test schemes, and support multiple loop
- Single point independence: Each channel has an independent programmable constant current source and constant voltage source, and the test step can be independently set to run.
- Interruption: In any case, such as a sudden power failure, communication interruption or other abnormal reasons, the channel stops, the next time the conditions are restored, the process step has the automatic connection and forced connection operation
- Abnormal capture: It can accurately capture the details of voltage and current If the current and voltage changes exceed a certain range, the device can automatically generate alarms and suspend testing.
- Record tracking: It has the record function, including operation records and abnormal records during the entire test process, which can be used for traceability and abnormal query of the test
- Equipment and computer interface: The equipment and computer use Ethernet interface, which can ensure the stability and real-time performance of long-distance data collection, and can remotely monitor the operation of the upper rack of the workshop activation equipment in real time through the office network.
- Data recording and processing: The main channel can be equipped with any auxiliary temperature or voltage channels for real-time monitoring of battery temperature or voltage, and synchronous display of total voltage, total current, total capacity, auxiliary channel temperature, etc.
- Curve analysis and processing: powerful curve analysis capabilities: freely select the cycles that need to be displayed, free combination of a variety of curves (such as voltage, current, capacity-time; capacity-voltage; number of cycles-voltage at the end of charge and discharge, etc., curve combination. It is open to customers to configure themselves.); Can move arbitrarily, zoom in and out the graph horizontally and vertically, view the details of the voltage, current, capacity, cell voltage and other data changes; select a single data file for comparison with different cycle data; optional Compare the curves of multiple data
、Function description
- The hardware part of the equipment is of modular design, and each independent channel is one or more modules.
- The equipment adopts the DC-DC conversion method, which is different from the traditional linear power supply method. The heat generated during the test is small, which not only avoids the safety and stability problems of the equipment test caused by the high temperature, but also saves the power consumption for the
- Imported alloy material is used as the current sampling device, the full-load current output drift is small, which can effectively ensure the stability of large current testing and the reliability of full-scale long-term operation accuracy.
- The current output of the equipment adopts the soft-start mode, which avoids the thermal shock of the battery and the connector caused by the instantaneous output of large current
- The equipment hardware control loop uses current and voltage dual-loop control, and the transition from constant current to constant voltage is smooth and without
Basic process setting of equipment
| No. | Basic function | Function description |
|
1 |
Charging function |
Ø Constant current charging function
The channel outputs with constant current, and the current output adopts soft start, without current impact; Ø Constant voltage charging function The channel outputs at a constant voltage and does not limit the output current (the output current is restricted by the maximum current value of the device’s nominal model, and is controlled by the battery); Ø Constant current and constant voltage charging function in continuous mode. Ø At the same time, the voltage output and current output are limited, the hardware is automatically switched, and the current hardware is soft-started, and the constant current is converted to constant voltage without impulse current. |
|
2 |
Discharging function |
Ø Constant current discharge function;
Ø The channel discharges with a constant current, and the current control adopts soft start, without current impact; Ø Constant power discharge function Ø The channel uses a constant power discharge mode, and the channel adjusts the current in real time according to the battery port voltage; |
| 3 | Aging | The current loop is in a cut-off state, but the collection of data information is not stopped. |
|
4 |
Cycle |
Ø According to the actual needs, the cycle test of the working steps can be done with multiple
loop. |
|
5 |
“Stop” mode |
Ø The channel is completely stopped.
The battery circuit is completely disconnected from the equipment. |
Equipment Advantages
- High energy feedback efficiency: the efficiency is up to 75% when charging, and 65% when discharging. The heat generation is small, which reduces energy consumption and production heat;
- High channel output accuracy: Imported alloy material is used as the current sampling device, full load current output drift is small, 16-bit ADC/DAC unit is used, the accuracy is better than 0.05%, the sampling accuracy is high, and the long-term stability is good;
- Safety protection function: The equipment channel has multiple signal acquisition modules, which can monitor whether the voltage sampling line is off or abnormal, and whether the current line is in good When abnormal, the test will be suspended in time and the user will be reminded to ensure the safety of the test;
- Battery reverse connection protection function: When the battery is reversed, the hardware channel of the device is directly locked, and a red light will be lit when the output is disconnected to give a reminder to ensure the safety of the test;
- CCCV charging: During the charging process, CCCV has no gap transition, without any voltage and current It can effectively prevent the battery from being concentrated due to the heat
concentration of the peak current, which leads to the islanding effect or overshoot caused by the islanding effect or overshoot of the tab ears or micro-short circuit, which causes the protection action and secondary protection action of the PCB;
- Current start: soft start is used for the start of charging and discharging steps, and there is no current impact at the start moment;
3. Main technical performance index
Table 3.1 Table of Technical Parameter
| No. | Model | EPT60100A | |
| 1 | Numbers of main channels | 2CH/ tester | |
| 2 | Channel mode | Completely independent | |
|
3 |
Working mode of main channels |
Charging：Constant current CC，Constant voltage charging CV，constant current and constant voltage charging CCCV；
Discharging：Constant current discharge CD，Constant Power discharge CP； Aging、Suspension。 |
|
| Suspension condition for main
channel testing |
Time、Voltage、Current、Capacity etc。 |
||
|
4 |
Voltage for main channel |
Charging voltage
range |
0V-60V |
| discharging
voltage range |
10V-60V |
||
| Accuracy | ±（0.05%RD+0.05%FS） | ||
| Resolution | 1mV | ||
|
Current for main channel |
Highest output
current |
±100A |
|
| Lowest output
current |
±100mA |
||
| Accuracy | ±（0.05%RD+0.05%FS） | ||
| Resolution | 1mA | ||
| Response time
of current start |
≤20ms |
||
| Time | Resolution | 1S | |
|
Power |
Output power | Maximum power of single channel continuous operation 6KW | |
| Stability | ± 0. 1 % FS | ||
|
Efficiency |
Highest
efficiency of charging |
75% |
|
| Highest
efficiency of discharging |
65% |
||
|
Feeder |
Harmonic
voltage |
≤5% |
|
| Power factor | ≥0.99 | ||
| Auxiliary channel parameter
cutoff function |
You can set the main channel step to stop or switch when the auxiliary channel signal
reaches a certain condition. |
||
| 5 | Communication way | Adopt RJ-45 network interface, can ensure the stability and real-time performance of | |
| long-distance data collection. | |||
|
6 |
Control procedure |
Support power-down data protection, support for power-off, manual stop, and continuous
testing from data files; |
|
| Safety protection conditions can be set, including: voltage lower limit, voltage upper limit,
current lower limit, current upper limit, voltage and current trends. |
|||
| The auxiliary channel protection conditions can be set, and the parameters that can be set
include: voltage upper limit, voltage lower limit, temperature upper limit, and temperature lower limit. |
|||
| Cycle times | Max 9999 | ||
| Loop nesting | 10 levels maximum | ||
| Process time
range |
Support h、min、S format |
||
| Date recording | Time ≥1S | ||
|
7 |
Ways of data display |
Cycle list |
There are cycle number, charge/discharge capacity, charge/discharge efficiency, charge/discharge energy, average charge and discharge
voltage, etc. |
|
Procedure list |
There are process number, working mode, process time, capacity,
energy, median voltage, termination voltage, termination current, etc. |
||
|
Detail list |
Record serial number, system time, accumulated time, voltage, current,
energy, power, etc. |
||
|
8 |
Ways of data export |
The data can be exported into EXCEL and chart files, which can provide various data analysis curves such as charge and discharge efficiency, charge and discharge curves, voltage, capacity, current-time characteristics, etc., and the curves can be imported into
EXCEL. |
|
|
9 |
Types of curves |
X coordinate: total time, charge and discharge capacity, number of cycles, etc., can be set
freely. |
|
| Y coordinate: total voltage, current, capacity, cell temperature, charge and discharge
capacity, cell voltage, etc., which can be set freely. |
|||
|
10 |
Software protection |
Power- down data protection, power- off suspend reconnection, over- voltage and over- discharge protection, over- current and under- current protection, capacity protection, over- t emperature protection, abnormal current fluctuation protection, abnormal charging voltage rising speed protection, and discharge voltage fal l ing speed
abnormal protection. |
|
| Hardware protection | Battery reverse connection, over-current protection, over-voltage protection. | ||
|
Alarm function |
The hardware has functions such as emergency cut-off switch, automatic shutdown after
power failure, and automatic load connection and disconnection. |
||
| 11 | Export lines | In the four-wire connection mode, the current line and the voltage line are separated. | |
| 12 | Way of cool down | Enforced wind-blowing | |
|
13 |
Safety level | Meet the requirements of EN60950 and GB4943. | |
|
Noise |
Follow the method of IEC62040-3 to test the noise. The noise is less than 75dBA. The sound level meter used should meet the requirements of Type I in IEC804, and the
accuracy should be better than ±0.5dB. |
||
| Level of protection | IP22 | |
|
16 |
Maintenance |
Modular structure, spare parts and spare parts can be used for timely replacement and
maintenance, free of charge during the warranty period. |
| 17 | Service of software upgrade | Free software upgrades for life until the hardware is incompatible. |
4. Software operation instructions
Upper rack main interface (4.1)
Description：
Figure 4.1 Operation interface of upper rack
Interface of process procedure；
Interface of main channel. The left side is Channel 1,the right side is channel 2; the blank area at the down side is auxiliary channel data display area.
Process editing interface
As shown in Figure 4.2, it is the editing interface of the test process flow:
Figure 4.2 Work procedure editing Interface
Description：
Name and selection of test steps;
Some operations during step editing, such as move up, move down, copy, paste, insert, and delete; Selection of test data recording way and related parameter setting;
Change rate protection selection and change parameter setting; Global protection item selection and protection parameter setting; Selection of processing methods after global protection;
Single voltage, temperature and capacity protection selection and upper and lower limit selection setting.
Notes：Please refer to the software manual for the detailed setting process.
Test data viewing interface
Figure 4.3 shows the test data viewing interface:
Description：
Figure 4.3 Test data viewing
Data viewing method classification, detailed view, classification view;
View display content selection, display cycle, display process steps, display summary, display details;
Data chart, set the x-axis and y-axis coordinates of the graph; Export test data setting;
Data curve display area; Detailed data display area
5. List of main parts of equipment
Figure 5.1 Reference brand for main parts of equipment
| No. | Item | Suppliers | Origin |
| 01 | MCU | ST | Italy/ France |
| 02 | Fan | NMB/DELTA/SUNON | Japan/China |
| 03 | Fuse | LITTLEFUSE/BUSSMMAN | USA |
| 04 | IC | TI/ON | MEXICO/THAILAND |
| 05 | MOS fuse | AOD/IR | USA |
| 06 | Sampling resistor | Isabellenhütte | Germany |
| 07 | AD | linear technology | USA |
| 08 | DA | ADI | USA |
| 09 | Relay | OMRON | Japan |
| 10 | Miniature circuit breaker | Schneider/Chint group | France/China |
6. List of random accessories list
Figure 6.1 List of random accessories list
| N o . | N a m e | Q u a n t i t y | N o t e |
| 1 | FAT report | 1 setting/patch | During delivery |
|
2 |
Equipment instruction manual |
1setting/patch |
English version of operating
instructions and software CD |
| 3 | Packing list and product certificate | 1 setting/patch | During delivery |
| 4 | Communication box | 1 setting/system | During delivery |
| 5 | Communication Lines | 1 setting/system | During delivery |
| 6 | Equipment external test cable | 1 setting/machine | Placed in the equipment |
| 7 | Testing fixture/ terminal | 1 setting/machine | Standard configuration TO cable lug |
7. List of optional parts
Figure 7.1 List of optional parts
| No | Name | Testing range and accuracy | Quantities | |
|
1 |
Auxiliary temperature channel |
Model of
temperature probe |
NTC |
Optional on demand |
| Accuracy f
temperature probe |
Testing range -40℃～150℃，Accuracy±1℃ |
|||
|
3 |
Voltage auxiliary channel | Range | 0-5V | Optional on demand |
| Testing Accuracy | ±5mV | |||
| 3 | Battery slot | Specification | L1000*D500*H1200，4 Levels | Optional on demand |
|
4 |
Upper rack |
Requirements Of Configuration |
Brand：Lenovo
CPU: Intel，Duo-core，＞3GHz RAM：4GB DDR4 Hard disk：500GB Display：19.519.5-inch widescreen display |
Optional on demand |
| Note：The above optional accessories are paid value-added services. If there is any demand, it must be specified in the contract. | ||||
8. Equipment Information
Figure 9.1 Equipment Use Information
| No | Type | Name | Requirement | Note |
|
1 |
Basic Information |
Equipment
Dimension |
600mm（L）×600mm（D）×1800mm（H） |
|
| Equipment
Maintenance |
Front and Back side |
|||
| Ground
load-bearing |
≥600 Kg/m2 |
For reference |
||
| Appearance color of the
equipment |
Tester：Light grey GY09，Other cabinet：Deep grey GY10 |
Color can be customized |
||
|
2 |
Environment |
Power supply | 380VAC±10%，Three-phase five line，Frequency：50Hz±5Hz | |
| Distribution
power |
12KW |
|||
| Environment
temp. range |
-20℃～40℃ |
|||
| Environment
Humidity |
10%～90%RH，No condensation |
|||
| Others | Avoid the equipment from being damp, avoid vibration, avoid |
| dust, and prohibit use in explosive dust and steam environment. | ||||
|
3 |
Safety Instruction |
Ensure that the equipment is well grounded. | ||
| It is necessary to keep the surrounding area spacious and the ground clean and tidy. | ||||
| During the operation of the equipment, it is not allowed to open the inside of the
equipment. |
||||
| The disassembly and assembly operations of the test battery must be performed
with the equipment channel in a non-operational state. |
||||
| In case of emergencies, you need to press the emergency stop button before doing
other treatments. |
||||
9. Services and support
1、The supplier is responsible for the installation and commissioning of the test equipment.
2、During on-site commissioning, the supplier is responsible for training the operators in the correct use of the equipment, and introduces the analysis and troubleshooting methods of common faults.
3、The warranty period is 1 year, and the maintenance, upgrade and training are free for 1 year.
4、After the warranty period, only the cost of raw materials will be charged for maintenance, and the software will be upgraded for free until the hardware is incompatible.
5、The after-sales service responds promptly.
10. Packing、Transportation、Storage
1、Packing：
There are product name, model, supplier’s logo, supplier’s quality department inspection certificate, manufacturing date, etc. on the packing box.
2、Transportation：
This packaging is suitable for transportation methods such as automobiles, trains, ships, airplanes, etc. Rainproof measures should be taken during transportation, and gentle loading and unloading.
3、Storage：
When the product is not in use, it should be placed in the packaging box. The storage environment temperature and relative humidity should meet the requirements of the product. There should be no corrosion in the warehouse.Natural gas or product, and without strong mechanical vibration, shock and strong magnetic field. The packing box should be at least 20cm high from the ground, and keep it away from water. If the storage time is too long (more than 1 year), it should be re-inspected by professionals before use.
Signature page
—-
Purchaser： (stamp) Supplier：Hynn Technologies (stamp)
Purchaser delegate： Supplier delegate：
Signing date： Signing date：