GB/T 32895-2016 in English
SUPERSEDEDCommunication protoco1s for power cabin of electric vehicle
- Issued on:2016-08-29
- Implemented on:2017-03-01
- File Format:PDF
- Delivery:Via email within 5 business days
$136.00
《GB/T 32895-2016电动汽车快换电池箱通信协议》由524（中国电力企业联合会）归口，主管部门为中国电力企业联合会。
Introduction
Standard Core Framework
| Layer | Comply with specifications | Key technologies | Typical parameters |
|---|---|---|---|
| Physical layer | ISO 11898 series SAE J1939-11:2006 | 250kbps rate Shielded twisted pair | CAN_H: 2.5-3.5V CAN_L: 1.5-2.5V |
| Data link layer | SAE J1939-21:2006 | 29-bit extended frame PDU1/PDU2 format | Priority 0-7 Source address 80H-C0H |
| Application layer | SAE J1939-73/81 | Parameter group (PGN) encoding SPN fault diagnosis | 63489-63527 19-bit SPN |
Key technology analysis
1. Network topology
The standard supports the use of single or multiple battery boxes in parallel, and centralized management is achieved through the vehicle ECU or battery box rack controller. Key features include:
- Adopting arbitrable address mode (80H-C0H range)
- Special naming rules for industrial group number 6 (17-bit property code + 57-bit serial number)
- Network management protocol complies with SAE J1939-81
2. Message transmission mechanism
Typical transmission process:Address configuration phase→normal working phase, including 5 message types:
- Command message (such as controlling fan start and stop)
- Request message (parameter query)
- Broadcast/response message (active status reporting)
- Confirmation message (operation response)
- Group function message (multi-box collaboration)
Detailed explanation of message classification
1. Basic Information Message (PGN 63489-63492)
| Parameter | SPN | Resolution | Sample Value |
|---|---|---|---|
| Rated Capacity | 10001 | 0.1Ah | 200.0Ah |
| Battery Type | 10006 | Enumeration | 0x03(Lithium Iron Phosphate) |
| Insulation Extreme Low Value | 10090 | 0.01MΩ | 50.00MΩ |
2. Operation Data Message (PGN 63504-63527)
Includes 3-level alarm mechanism:
- Level 1 alarm: Voltage/temperature limit exceeded, SOC low
- Level 3 alarm: High-voltage insulation low
- Level 5 alarm: Voltage extreme, hardware failure
Typical data: Cell voltage (0.01V), Temperature detection point (1℃), SOC (0.1%)
Implementation Suggestions
1. Development Notes
- Address conflict handling: implement address arbitration algorithm, automatically reselect address when conflict occurs
- Long message transmission: adopt ISO15765-2 transmission protocol framing mechanism
- Timing control: strictly follow the message cycle requirement of 2.5-250ms
2. Key points of test verification
- Physical layer: bus terminal resistance matching (120Ω), signal amplitude test
- Protocol consistency: PGN encoding, SPN parameter range verification
- Fault injection: simulate boundary conditions such as voltage extremes and temperature alarms
3. Standard evolution direction
With the development of battery swapping technology, it is recommended to pay attention to:
- Integrated application of wireless communication technology
- Battery full life cycle data traceability
- Coordination with GB/T 27930 charging protocol
Loading PDF document...
Error loading PDF. Please make sure the file is valid and try again.
We also recommend
-
GB/T 21832.3-2024 in English
Welded austenitic-ferritic(duplex) stainless steel tubes and pipes—Part 3: Pipes for oil and gas transmission
2024-04-25 -
GB/T 1200-1988 in English
galvanized iron wire strands
- -
GB/T 244-1982 in English
Method for bend test on tubes of metals
- -
GB/T 25636-2010 in English
Numerical control system of machine tools—Guidelines for the service of customer
2010-12-01 -
GB/T 17999.6-2008 in English
SPF chicken - Microbiological surveillance - Part 6: Enzyme-linked immunosorbent assay for SPF chicken
2008-12-31 -
GB/T 429-1978 in English
Test methods of wrinkle recovery for printed and dyed fabrics
- -
GB/T 18978.307-2015 in English
Ergonomics of human-system interaction―Part 307:Analysis and compliance test methods for electronic visual displays
2015-12-10 -
GB/T 22131-2022 in English
Practice for ultrasonic examination from bored surfaces of cylindrical forgings
2022-10-12 -
GB/T 3517-2022 in English
Rubber, raw natural—Determination of plasticity retention index（PRI）
2022-10-12 -
GB 4877-1985 in English
Intermediate frequencies of television
1985-01-23
