Electric Bus BTMS System Battery Thermal Management 8KW 10KW

NEWBASE Battery Thermal Management System (BTMS)

1. Functions of BTMS

The functions of a BTMS primarily include:

• Battery Temperature Monitoring: Real-time monitoring of the battery's temperature distribution and recording of historical temperature data.
• Temperature Control: Maintaining the battery temperature within an optimal range.
• Cooling/Heating: Regulating the battery temperature through cooling or heating methods.
• Fault Diagnosis: Identifying thermal-related faults in the battery and providing alarm information.
• Communication: Facilitating communication with other systems, such as the Battery Management System (BMS) or vehicle control systems.

2. Protocols Used in BTMS

Common protocols used in BTMS include:

• CANbus: A multi-master serial communication protocol used to connect the BTMS with other systems.
• Modbus: A popular serial communication protocol for connecting the BTMS with other systems.
• RS485: A half-duplex serial communication protocol used to connect the BTMS with other systems.

Integrated thermal management types

According to the specific situation and the actual requirements of customers (integrated air conditioning + battery, battery + air conditioning + motor cooling, comprehensive heat management with heat recovery function, etc), 5KW, 8KW, 10KW, 13KW and other different power units can be selected;

Functional implementation(3KW): 1. The unit can achieve the cooling capacity demand of 3kw； 2. PTC liquid heater (6-14kw), with standby, cooling, heating and self-circulation working mode; 3. Use CAN 2.0 communication; 4. With the unit fault self-diagnosis function; 5. Upload real-time power information; 6. EMC meets the grade requirements; 7. Unit weight: 35kg ± 1kg;

Functional implementation(5KW): 1. The cooling capacity requirement of 5 kW can be realized by adjusting the configuration; 2. PLC liquid heater (6-14kw) with standby Refrigeration, heating, self-circulation working mode; 3. Use CAN 2.0 communication; 4. With the unit fault self-diagnosis function; 5. Upload real-time power information; 6. EMC meets the grade requirements; 7. Unit weight: 38kg ± 1kg;

Functional implementation(8KW): 1. Can be configured with PTC liquid heater, with standby, refrigeration, heating and self-circulation working mode; 2. Network control can be realized; 3. Use CAN 2.0 communication; 4. With the unit fault self-diagnosis function; 5. Upload real-time power information; 6. EMC meets the grade requirements; 7. Unit weight is 50kg ± 2kg.

Functional implementation(10KW): 1. Can be configured with PTC liquid heater, with standby, refrigeration, Heating and self-circulation working mode; 2. Use CAN 2.0 communication; 3. With the unit fault self-diagnosis function; 4. Upload real-time power information; 5. EMC meets the grade requirements; 6. Unit weight is 68kg.

Functional implementation(13KW) : 1. Can be configured with PTC liquid heater, with standby, refrigeration, Heating and self-circulation working mode; 2. Use CAN 2.0 communication; 3. With the unit fault self-diagnosis function; 4. Upload real-time power information; 5. EMC meets the grade three requirements; 6. Unit weight is 110 ± 4kg.

Note: The selection of units is mainly based on the battery capacity and the specific needs of customer integrated thermal management, and can be applied to a variety of vehicle models (light trucks, buses, heavy trucks, construction machinery, mining cards, etc.)

Product Paramenters

Unit Model	NBSLJZ-03-01
Rated cooling capacity (kw)	3.5
Low-voltage power demand	450W
High voltage power supply	DC400V-DC750V
Low voltage power supply	DC24V(18V-32V)
Built in water pump	＞20L/min @110 KPa
Control power supply	DC24V battery provides on/off signal
Protection level	IPX7
Refrigerant	R134a
Type of secondary refrigerant	50%VV Ethylene glycol aqueous solution
Dimensions	530(L)*446(W)*365(H)
Unit fixed point	Φ12 holes *4
Joint	Inlet and outlet water pipeΦ25
Connector	can be configured according to customer needs
Low voltage power	24V 450W

Unit Model	NBSLJZ-05-01
Rated cooling capacity (kw)	5
Heating capacity	6-14kw(Optional)
High voltage power supply	Rated voltage 320VDC (220~450 VDC)
Low voltage power supply	DC24V(18V-32V)
Built in water pump	11m&1800l/h
Control power supply	DC24V battery provides on/off signal
Protection level	IPX7
Refrigerant	R134a
Type of secondary refrigerant	50%VV Ethylene glycol aqueous solution
Dimensions	635(L)*530(W)*380(H)
Unit fixed point	569mm*369mm Φ12holes *4
Joint	Inlet and outlet water pipeΦ25
Connector	can be configured according to customer needs
Low voltage power	24V 600W

Unit Model	NBSLJZ-08-01
Rated cooling capacity (kw)	8
Low-voltage power demand	600W
High voltage power supply	DC400V-DC750
Built in water pump	20m&2000l/h
Control power supply	DC24V battery provides on/off signal
Protection level	IPX7
Refrigerant	134a/R407C
Type of secondary refrigerant	50%VV Ethylene glycol aqueous solution
Dimensions	820(L)*575(W)*285(H)
Unit fixed point	495mm*320mm Φ12holes *6
Joint	Inlet and outlet water pipeΦ25(Reserved overflow pipeΦ8)
Connector	can be configured according to customer needs
Electronic control	Four in one/Three in one integrated

Unit Model	NBSLJZ-10-01
Rated cooling capacity(kw)	10
Heating capacity	24KW(Optional)
High voltage power supply	640VDC (400~750 VDC)
Built in water pump	17.5m&2880l/h
Control power supply	DC24V battery provides on/off signal
Protection level	IPX7
Refrigerant	134a
Type of secondary refrigerant	50%VV Ethylene glycol aqueous solution
Dimensions	960(L)*603(W)*291(H)
Unit fixed point	521mm*320mm Φ12holes *6
Joint	Inlet and outlet water pipeΦ25(Reserved overflow pipeΦ8)
Connector	can be configured according to customer needs
Electronic control	Four in one/Three in one integrated

Unit Model	NBSLJZ-13-01
Rated cooling capacity (kw)	12
Heating capacity(kw)	Optional24Kw-30Kw
High voltage power supply	DC400V-DC750V
Low voltage power supply range	DC 18~32V
Energy efficiency ratio	2.0
Protection level	IPX7
Refrigerant	134a/R407C
Type of secondary refrigerant	50%/50% Ethylene glycol aqueous solution
Dimensions	L1370×W1030×H285 mm
Unit fixed point	Φ12holes *8
Joint	Inlet and outlet water pipeΦ25
Connector	can be configured according to customer needs
Electronic control	Four in one/Three in one integrated

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Certifications

NEWBASE was established in 2007, esteemed as a national specialized new small giant enterprise by the Ministry of Industry and Information Technology.

Our headquarters are situated in Zhengzhou City, and we have strategically established three R & D and production bases: Zhengzhou (Henan), Jiaozuo (Henan), and Huangshan (Anhui). This infrastructure spans over a total area of approximately 40,000 square meters, primarily catered towards providing comprehensive solutions for thermal management and control within the new energy and commercial vehicle industries. We proudly hold the status of China's new energy thermal management system industry's core tier one/tier two suppliers.

Since 2012, we have consistently secured the highest market share of domestic commercial vehicle thermal management control systems, and have emerged as the exclusive supporting supplier for renowned companies such as Yutong, ZTO, Mejin Hydrogen Energy, Guohong Hydrogen Energy, SinotruK, SAIC Maxus, Shaanxi Automobile, and FAW Qingdao. Simultaneously, in the realm of new energy comfort electronic control system, heating control system, and air disinfection&purification system, we have garnered more than half of the bus industry market share.

We are the core tier one supplier for Invicool, Yutong, Zhongtong, Foton, Dongfeng Liuzhou Motor, XCMG, Sany Heavy Industry, CATL, Shanghai Enneagon Energy, AIT Energy, kelvine Tech, Sanhe Tongfei, Dunan Environment, and numerous other reputable domestic new energy manufacturers and car manufacturers.