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Home > Battery Solution>Read the main text

46.8V 44.8AH AGV lithium truck solutions

Writer: TOPAKRelease time: 2020-06-15Page View: 546

One、Background of the case :

With the advent of Industry 4.0, the manufacturing industry has started the automation reform, and the logistics industry which is closely related to the manufacturing industry is also like this. In recent years, the term “unmanned transportation” appears more and more often in the logistics industry, and the appearance of AGV forklift makes the logistics automation technology make a leaping progress. At the same time, the appearance of AGV forklift is also a collision of knowledge and technology for the traditional forklift; in this stage of replacement of traditional forklift and AGV intelligent forklift, a company in April 2019 asked our company to assist in developing an AGV vehicle power battery pack, which is a structure shaped and cleverly designed power smart battery pack; the project has now been delivered in bulk.

Two、Product functions and main features

●Overcharge, overdischarge, overcurrent, short-circuit, overtemperature, data reading function.
●Highly integrated analog front-end
●Isolated power supply circuits
●Charge balancing function
●CAN communication
●Adjustable parameter settings
●Short circuit protection function
●Integrated serial ICs
●High voltage accuracy (≤20mV)
High current accuracy (≤2%@FS)
●SOC estimation function
●Low power consumption
●SOH estimation function
●Recording of data exceptions46.8V 44.8AH AGV lithium truck solutions-Shenzhen topak new energy technology CO.LTD.

Three、Introduction to the overall programme
1. Cell parameters: using a brand imported 18650/3200mAh/3.6V battery cell rate
2. Finished product specifications:TOPAK 18650-13S14-44.8Ah-46.8V
3. Protection board: The parameters and schematic diagram of the intelligent protection board (RS485\CAN protocol) are as follows.                                                    4.Other materials: fireproof epoxy resin version, insulation PET and other materials to isolate the welding point and between the cores.
5. Assembly process: 2 modules of 18650-6S14P and 18650-7S14P are combined, with internal support bracket and ventilation holes on the surface of the shell, which has heat dissipation effect.
6. Special copper sheet: Nickel sheet for battery connection is made of nickel-to-copper material, and each cell is connected in series and parallel through the nickel sheet. It has good welding effect, firm welding, not easy to solder off and even heat dissipation when the battery has high current and good current conductivity.

Protection parameters:

NO. Indicator projects Factory default parameters Is it possible to set Note
1 Single overcharge protection Single overcharge alarm voltage 4150mV assignable
Monomer overcharge protection voltage 4250mV assignable
Single overcharge protection delay 1S assignable
Single Overvoltage Protection Release Single overcharge protection deactivation voltage 4100mV assignable
Discharged. Discharge current > 1A
2 Single overdischarge protection Single Overdischarge Alarm Voltage 3000mV assignable If the overdischarge protection fails to recover after 60 seconds, it will enter the low-power mode.
Monoblock overdischarge protection voltage 2800mV assignable
Single overdischarge protection delay 1S assignable
Single overdischarge protection release Single Overdischarge Protection Deactivation Voltage 3200mV assignable
Release when charging. Charging current >1A
3 Overall overcharge protection Overall overcharge alarm voltage 53.95V assignable
Overall overcharge protection voltage 55.25V assignable
Overall overcharge protection delay 1S assignable
Overall overvoltage protection release Overall Overcharge Protection Deactivation Voltage 53.3V assignable
Discharged Discharge current > 1A
4 Total overdischarge protection Overall Overdischarge Alarm Voltage 39V assignable If the overdischarge protection fails to recover after 60 seconds, it will enter the low-power mode.
Overall overdischarge protection voltage 36.4V assignable
Total overdischarge protection delay 2S assignable
Total Overdischarge Protection Release Overall Overdischarge Protection Discharge Voltage 41.6V assignable
Release when charging. Charging current >1A
5 Charge overcurrent protection Charging overcurrent alarm current 10A assignable
Charging overcurrent protection current 30A assignable
Charge overcurrent protection delay 1.0S assignable
Charging overcurrent protection disengaged automatic release Charger Disconnect
Discharged Discharge current > 1A
6 Discharge overcurrent 1 protection Discharge overcurrent 1 alarm current >80A assignable
Discharge overcurrent 1 protection current >100A assignable
Discharge overcurrent 1 protection delay 1.0S assignable
Discharge overcurrent 1 protection disabled automatic release Load Break
Charging release Charging current > 1A
7 Discharge overcurrent 2 Discharge overcurrent 2 protection current >150A assignable
Discharge overcurrent 2 protection delay 100mS assignable
Discharge overcurrent 2 protection disabled automatic release Load Break
Charging release Charging current > 1A
8 short circuit protection Short-circuit protection current ≥200A
Short-circuit protection delay ≤300μS
automatic release Charging current >1A
Load removal
9 MOS  High temperature protection MOS Over-temperature alarm temperature 80℃ assignable
MOS Over-temperature protection temperature 110℃ assignable
MOS Protecting the disarm temperature 60℃ assignable
10 Cell temperature protection Low temperature alarm temperature 3℃±3℃ assignable
High temperature alarm temperature 55℃±3℃ assignable
Charging low temperature protection temperature 0℃±3℃ assignable
Charge low-temperature protection release temperature 5℃±3℃ assignable
Charging high temperature protection temperature 65℃±5℃ assignable
Charging High Temperature Protection Disarming Temperature 48℃±10℃ assignable
Discharge low temperature protection temperature -20℃±3℃ assignable
Discharged low-temperature protection release temperature -10℃±3℃ assignable
Discharge high temperature protection temperature 65℃±5℃ assignable
Discharge High Temperature Protection Discharge Temperature 48℃±10℃ assignable
11 Environmental temperature protection Ambient low temperature alarm temperature -20℃ assignable
Ambient low temperature protection temperature -25℃ assignable
Environmental cryoprotection release temperature -15℃ assignable
Environmental high temperature alarm temperature 50℃ assignable
Environmental high temperature protection temperature 65℃ assignable
Environmental high temperature protection deactivation temperature 60℃ assignable
12 Current consumption Operating Current ≤10mA
Sleeping Current <250 uA
Low power mode current ≤20μA
13 Balance of functions Equalization of turn-on voltage 4200mV assignable
Turn on the differential pressure 30mV assignable
14 logbook Recording conditions Important information automate
15 Capacity charging learning opening conditions Battery over discharge alarm or protection automate
16 Volumetric discharge learning opening conditions Battery overcharge automate
17 Factory setting Date of Manufacture assignable
Battery initial use time Charge/discharge learning setup automate
18 Capacity default setting Full capacity setting automate
Design capacity setting 10AH assignable

Protection block diagram :

46.8V 44.8AH AGV lithium truck solutions-Shenzhen topak new energy technology CO.LTD.

Bomb map :

46.8V 44.8AH AGV lithium truck solutions-Shenzhen topak new energy technology CO.LTD.

46.8V 44.8AH AGV lithium truck solutions-Shenzhen topak new energy technology CO.LTD.

Cell arrangement :

46.8V 44.8AH AGV lithium truck solutions-Shenzhen topak new energy technology CO.LTD.

Formed nickel plates: 15 types of copper-nickel composite nickel plates for continuous high-current charging and discharging.

46.8V 44.8AH AGV lithium truck solutions-Shenzhen topak new energy technology CO.LTD.

Four、Product BOM

46.8V 44.8AH AGV lithium truck solutions-Shenzhen topak new energy technology CO.LTD.

Five、Product size and effect display diagram

Structural dimensions

46.8V 44.8AH AGV lithium truck solutions-Shenzhen topak new energy technology CO.LTD.

 

rendering (visual representation of how things will turn out)

46.8V 44.8AH AGV lithium truck solutions-Shenzhen topak new energy technology CO.LTD.

46.8V 44.8AH AGV lithium truck solutions-Shenzhen topak new energy technology CO.LTD.

ShenZhen Topak New Energy Technology CO.LTD.

+86 15920229894

Phyllis@topakpower.com

Address: 26 Yingfeng 1st Road, Dalang Town, Dongguan City, Guangdong Province (Tuopai Industrial Park)

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