JH9864E—Energy Storage BMS Test Platform
It provides real-time display of all BMS monitoring parameters, accuracy comparisons, operating status, and fault information; supports single‑function, partial‑function, and full‑function testing; enables both single‑shot and continuous cyclic testing; promptly flags and displays abnormal data; saves data in Excel format for easy classification and retrieval; allows manual configuration of BMS test modes and threshold values for various parameters; includes automated testing and typical test cases; and can be uploaded to a server for convenient remote monitoring.
- Product Description
-
I. Basis for Standards
Q/GDW—2013 “Technical Specification for Energy Storage Battery Packs and Management Systems” GB 34131-2017 “Technical Specification for Lithium-Ion Battery Management Systems of Electrochemical Energy Storage Power Stations” 》 GBT 34131-2023 Battery Management System for Power Energy Storage II. Main Test Functions and Technical Specifications
Serial number Test Item Test feature Technical indicators 1 Single-cell battery simulation ① Simulated single-cell voltage accuracy test;
② Supports active and passive balancing current testing for BMS;
③ Simulation of single-cell overcharge and overvoltage protection function testing;
④ Simulated single-cell over-discharge and undervoltage protection function testing;
⑤ Cell operating current, standby current, and balancing current
Testing.
Number of cells in series: 64S (expandable)
Output voltage range: 0–5 V
Voltage resolution: 0.1 mV
Voltage error: ±0.05%FS
Supports bidirectional current: 0 to ±3 A
Current resolution: 0.1 mA
Current error: ±0.1%FS
LCD panel display, with clear and intuitive data presentation.
Panel-button adjustment offers flexible and convenient settings for all parameters.
Supports power consumption monitoring for each channel.
2 Temperature simulation
①BMS cell‑level simulated temperature accuracy test;
② Test for over-temperature protection of the NTC during simulated charge–discharge cycles
③ Test for NTC temperature under‑temperature protection during simulated charge–discharge cycles.
Temperature channels: 64 channels (expandable), electrically isolated from one another,
Not shared land
Simulated temperature range: -70°C to 150°C
Simulated impedance range: 2 Ω to 3.5 MΩ
Resolution: 1Ω
Accuracy: 0.1% FS
Resistor power rating: 0.1 W
The R-T-V table can be customized according to NTC specifications.
3 Total current of the battery pack
Simulation
Realistic
Electric current
Simulation
① Total current accuracy functional test;
② Total current calibration;
③ Test of the overcurrent protection function;
④ Test of the over‑low total current protection function.
Number of channels: 1 channel
Output voltage: 5V
Output current: -500 A to 500 A
Control resolution: 0.1A
Output accuracy: 0.1%FS
Measurement accuracy: 0.1% FS
Hall sensor simulation Number of channels: 1 channel;
Output voltage range: -5 V to +5 V;
Output accuracy: 0.1%FS;
Shunt
Simulation
Number of channels: 1 channel;
Output voltage range: 0–75 mV;
Output accuracy: 0.1%FS;
4 Battery pack total voltage simulation ① Overall voltage accuracy functional test;
② Total pressure calibration;
③ Test of the overpressure protection function;
④ Test of the low‑total‑pressure protection function.
Number of channels: 1 channel
Output voltage range: 0–1000 VDC
Resolution: 0.1 V
Accuracy: 0.1%FS
Output current: 0–1 A
Resolution: 0.01 A
Accuracy: 0.1%FS
Serial number Test Item Test feature Technical indicators 5 Electrical Adaptability Testing ① Measurement of the BMS board’s operating current and sleep current;
②Over‑ and undervoltage testing of the BMS board;
③BMS board reverse voltage test
Number of channels: 1 channel
Output voltage: 0–60 V
Control resolution: 0.1 V
Output current 0–10 A
Output accuracy: 0.1%FS
6 Communication Detection ① Ethernet/CAN/RS485/RS232-related communication
Protocol testing.
② Communication line circuit short-circuit test
Number of channels: 10;
Supports standard data frames and extended data frames;
Supports CAN 2.0A and CAN 2.0B protocols;
Baud rate adjustable from 5 kbps to 1 Mbps;
7 Insulation Resistance Simulation It can achieve total positive-to-PE and total negative-to-PE leakage current measurement. Number of channels: 2;
Range: 5 kΩ–50 MΩ;
Resolution: 100 Ω, Accuracy: 0.5% FS,
Withstand voltage ≤ DC 1500 V;
It can detect total positive-to-PE and total negative-to-PE leakage currents.
8 Analog Signal Unit Enables high- and low-level drive, with analog relay‑based control and monitoring. Equipped with 8 analog input channels and 8 analog output channels,
Level: 0–30 V, Current: 0–2 A
9 D/I signal simulation
(Digital Signal Detection)
To implement digital signal input/output (I/O)
Testing
Digital input/output;
Low-level input: 0–0.8 V; low-level output: 0–0.8 V;
High-level input: 1.5 V–16 V, high-level output: 3 V–32 V,
Output accuracy: 0.1% FS;
Output current: 0–20 mA;
8 input channels + 8 output channels per module.
10
BMS Signal Detection Unit PWM output Number of channels: 3;
Output duty cycle: 5%–95%;
Output frequency: 100 Hz–150 kHz; Acquisition accuracy: 0.5%
Output voltage: 3V–12V;
PWM input Number of channels: 2;
Duty cycle range: 5%–95%;
Collection accuracy: 0.5%;
11 Withstand Voltage/Insulation Testing Used for electrical safety testing of BMS boards. AC Withstand Voltage: 0–4 kV
DC withstand voltage: 0–6 kV
Accuracy: 2%FS
Insulation resistance: 2.5 kV / 10–100 MΩ
Accuracy: 5% FS
12 Version Number Feature Verification Supports reading or writing software version numbers;
Supports reading or writing the hardware version number;
13 Quiescent Current Detection Supports measurement of loop static current; static current types include: single-cell acquisition line current, high-voltage acquisition line current, and working power supply current. Implementation: achieved by leveraging the readback functionality of a single-cell analog battery, a high-voltage source, and the BMS power supply, with verification performed using a high-precision multimeter. 14 Parameter calibration
Total voltage, total current, cell voltage, insulation resistance, etc.
15 CAN Termination Resistor Detection
Channel 4, range 0–10 kV, accuracy 1%.
16 Dry contact (spare)
Channel 8, 300 V/2 A; output is sequentially activated via control relays. 17 Relay Control Testing
Channel 16, with a 50 Ω resistor, and voltage measurement; voltage measurement range up to 24 V, accuracy 1%.
Supports 16 channels with a 50-ohm load, simulates real relay coils, and measures both the upper‑end and lower‑end voltages (voltage range within 24 V, accuracy of 1%).
18 Open-collector output function test
Channel 3: The pull-up voltage is 12 V, with a 10 kΩ pull-up resistor; it can measure the port voltage with an accuracy of 1%. It also provides a BMS open-collector output with a 12 V pull-up and a 10 kΩ pull-up load resistor, enabling detection of the output status. 19 Battery State-of-Energy Estimation Verification The remaining energy is calculated based on the charge–discharge cycle of the charge–discharge module, and its accuracy is verified by comparing it with data acquired by the BMS.
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Huizhou Jinghui Instrument and Equipment Co., Ltd.
Service Hotline:400-1331-882
No. 13, Jinda Road, Huinan Science and Technology Park, Huizhou City, Guangdong Province
E-mail:jh@jhyq.com
