Battery Management System for Hybrid Electric Vehicle
Product Description
EK-FT-11 system is mainly used in the field of electric vehicles, the system is composed of EK-FT-C11 central control module, EK-FT-M1112 data collection module, also strong electric control, insulation test, touch screen and other functional modules can be added to the system;
The system has a high-precision voltage detector, current detection, temperature detection, SOC estimation algorithm, lossy balance, CAN BUS communication, RS485 communication, relay control, switch signal output, active signal input, cooling / heating control, data storage and other functions.
Product Features
The system has high accuracy in voltage, current and temperature data collection;
The system adopts a double isolation design; Each functional port is with protection, with high-security;
The system goes through EMC, high and low temperature, vibration, salt spray and other environmental testing, with strong reliability;
The system has efficient balance, one-way lossy balance maximum current can reach 250mA, and the balance fail-safe function is designed to protect the battery;
Real-time display of system information via the LCD screen or PC;
Support 2 ~ 8 G high-capacity data storage;
Reserved for the remote management interface, you can upload system date to server through a remote management module;
The system has multiple-way strong electrical control interface, isolate the control of weak and strong electric system, and improve effective immunity
| NO. |
Names |
Specifications |
| 1 |
Voltage Detection |
Maximum strings support from the voltage detector: 12 * n (n ≤ 25, total pressure ≤ 1000V) |
| |
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Voltage detection range: 0 to 5 V (other voltages can be customized) |
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Voltage detection accuracy of ± 5mV |
| 2 |
Temperature Detection |
Temperature detection maximum support 3 * n (n ≤ 25) |
| |
|
Temperature sensing range of -40 ° C to 125 ° C |
| |
|
Temperature measurement accuracy ± 2 ° C (-40 ° C ~ 85 ° C) |
| 3 |
Current Detection |
Current ranges ± 1000A (Current sensor optional) |
| |
|
Current measurement accuracy of ± 1% |
| 4 |
BCU module relay control |
3-way active output interface, 1-way passive output interface |
| |
|
Rated load current ≤ 1.2A, peak current ≤ 4A |
| 5 |
BMU module relay control |
2-way relay control, rated load current ≤ 1.2A peak current ≤ 4A |
| 6 |
Passive equilibrium |
At the same time, can open 3-way balance under certain conditions, and different balances are independent of each other, the maximum current 250mA |
| 7 |
Balanced failure protection |
Effective protection of the battery safety |
| 8 |
485 conmmunications |
3-way 485 communication interface |
| 9 |
BCU module CAN communications |
3-way CAN communication interface |
| 10 |
BMU module CAN communications |
1-way CAN communication interface |
| 11 |
Switching signal output |
4-way switch signal output, the maximum load current of 500mA |
| 12 |
Active signal input |
2-way active signal input, 9 ~ 36V |
| 13 |
Data Display |
LCD screen can be connected through the 485 BUS |
| |
|
Can connect the host computer via 485 or CAN |
| 14 |
SOC estimation error |
< 5% |
| 15 |
Failure alarm |
Buzzer sound alarm |
| 16 |
Data storage |
Support 2 ~ 8G high-capacity SD data storage card |
| 17 |
DTU interface |
Reserved DTU Interface using 485 protocol |
| 18 |
System power consumption |
The BCU: 3W, the BMU: 0.5W |
| 19 |
Operation voltage range |
12V system: DC9 ~ 18V (excluding LCD screen) |
| |
|
24V system: DC18 ~ 32V (excluding LCD screen) |
| 20 |
Operation tempreture range |
-30 º C~ 75 º C |
| 21 |
Storage Temperature range |
-40 º C~ 85 º C |
| 22 |
Dimensions (mm) |
BCU module size: 165 * 106 * 43 |
| |
|
BMU module size: 124 * 91 * 40 |
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