CN202541456U - CAN-bus-based whole vehicle communication system for electric bicycle and electric motor car - Google Patents
CAN-bus-based whole vehicle communication system for electric bicycle and electric motor car Download PDFInfo
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- CN202541456U CN202541456U CN2012201378038U CN201220137803U CN202541456U CN 202541456 U CN202541456 U CN 202541456U CN 2012201378038 U CN2012201378038 U CN 2012201378038U CN 201220137803 U CN201220137803 U CN 201220137803U CN 202541456 U CN202541456 U CN 202541456U
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Abstract
The utility model relates to a communication system, in particular to a CAN (Controller Area Network)-bus-based whole vehicle communication system for an electric bicycle and an electric motor car, and belongs to the technical field of CAN bus communication. According to the technical scheme provided by the utility model, the CAN-bus-based whole vehicle communication system comprises a motor controller, a cell management system and a display instrument which are all hung on a CAN bus and form the whole vehicle communication system through the CAN bus. Motor controllers, cell management systems, display instruments, chargers and control panels on both the electric bicycle and the electric motor car are connected to form a communication network through CAN buses, so that the CAN-bus-based whole vehicle communication system has better universality, can achieve a comprehensive fault diagnosis function of vehicle bodies and provide hardware test and parameter adjustment platforms, and is safe and reliable.
Description
Technical field
The utility model relates to a kind of communication system, and especially a kind of Electrical Bicycle and battery-operated motor cycle car load communication system based on the CAN bus belong to the technical field of CAN bus communication.
Background technology
Electrical Bicycle has been the public indispensable vehicle at present.Simultaneously, becoming increasingly conspicuous of problems such as oil crises and environmental pollution also makes the development of Electrical Bicycle and battery-operated motor cycle more and more receive the attention of country and industry.But relevant with it annexes such as controller, battery and instrument also depend on supporting supplier's support.Separate between these suppliers, adopt the consensus standard of producer separately.Therefore, can't form a rounded system and industry standard.Be connected for simplifying the Electrical Bicycle that increases day by day and the circuit of battery-operated motor cycle; Improve system reliability and trouble diagnosing level; Be beneficial between each ECU data resource and share, and be convenient to build up open standard and modular structure, be necessary to define the communication protocol of a standard.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art; A kind of Electrical Bicycle and battery-operated motor cycle car load communication system based on the CAN bus is provided; It can set up the car load communication network of Electrical Bicycle and battery-operated motor cycle; Realize the resultant fault diagnosis function of car body, and hardware test and parameter adjustment platform can be provided, safe and reliable.
The technical scheme that provides according to the utility model; Said Electrical Bicycle and battery-operated motor cycle car load communication system based on the CAN bus; Comprise electric machine controller, battery management system and display instrument; Said electric machine controller, battery management system and display instrument all are articulated on the CAN bus, form the car load communication system through the CAN bus.
Also be mounted with control panel, charger and upper computer on the said CAN bus.Be mounted with the CAN gateway on the said CAN bus.
The speed of transmission of said CAN bus is 250Kbps.Said upper computer comprises computing machine, mobile phone or navigating instrument.
Said electric machine controller, battery management system intercom with the node address mode with display instrument mutually.
The advantage of the utility model: the electric machine controller on Electrical Bicycle and the battery-operated motor cycle, battery management system, display instrument, charger and control panel are connected into a communication network through the CAN bus; Has good versatility; Can realize the resultant fault diagnosis function of car body; And hardware test and parameter adjustment platform can be provided, safe and reliable.
Description of drawings
Fig. 1 is the structured flowchart of the utility model.
The specific embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
As shown in Figure 1: communicate by letter for the car load that can realize Electrical Bicycle and battery-operated motor cycle, the utility model interconnects each communication module on Electrical Bicycle and the battery-operated motor cycle through the CAN bus.Particularly, the electric machine controller on Electrical Bicycle and the battery-operated motor cycle, display instrument, control panel, battery management system and charger all are articulated on the CAN bus, to form corresponding car load communication system.Electric machine controller, display instrument, control panel, battery management system and charger carry out mutual data communication with the node address mode on the CAN bus.Simultaneously; Can also be mounted with CAN gateway and upper computer on the CAN bus; Data when upper computer can read electric machine controller, display instrument, control panel, battery management system and charger work through the CAN bus can communicate with the CAN bus of different rates through the CAN gateway.Upper computer comprises computing machine, mobile phone or navigating instrument.
After Electrical Bicycle and battery-operated motor cycle form the car load communication system through the CAN bus, in order to satisfy corresponding operating needs, need carry out relative set, particularly:
1, the principle of communication protocol formulation
1), advanced and guiding.Agreement of formulating and each supporting merchant's former UART communication protocol integrate with, and reduce the work capacity that agreement is transplanted.Consider the development of industry and technology simultaneously, added a lot of new protocol contents.
2), extendability.Agreement is convenient to later upgrading development, and the simultaneously compatible fwd of the agreement of expansion is formulated agreement.
2, the electricity system cell node network architecture in the network.
The network topology of the utility model is as shown in Figure 1, and CAN bus transfer speed is 250Kbps.
3, communication protocol regulation
1), the regulation of Physical layer
The related protocol of the regulation main reference CAN2.0B of Physical layer.
2), the regulation of data link layer
The related protocol of the regulation main reference CAN2.0B of data link layer.Adopt clean culture and the mode that broadcasting engages to carry out data transmission.Frame adopts CRC check.Has automatic closing function when bus error is serious.
3), the regulation of application layer
The controller that application layer is compatible original as far as possible or the UART interface application protocol of instrument.Adopting fixed cycle and event-driven dual mode to carry out data sends.Data packet format is following:
Data packet is made up of six parts such as preamble code PRA, address ADDR, command code CMD, data length LEN, data field DATA, check code CHK.
Wherein, PRA: preamble code, a byte is fixed as 0x55; ADDR: address code, a byte is represented ECU node address or functional node address; CMD: command code, a byte; LEN: data packet length, a byte; DATA: packet content, length is LEN; CHK: check code, a byte, all byte additions that begin from preamble code PRA with, a high position that surpasses a byte is given up.Except that broadcasting command, adopt modes such as single worker stops to communicate.
4, main command list example:
1), battery management system (BMS) command list
Order 0x01-0x2F is the order of battery management system BMS.
Other equipment of descending finger send to BMS; Up finger BMS returns to other equipment.
2), controller for electric vehicle command list
Order 0x30-0x5F is the order of controller for electric vehicle, and other equipment of descending finger send to controller for electric vehicle; Up finger controller for electric vehicle returns to other equipment.
The utility model connects into a communication network through the CAN bus with the electric machine controller on Electrical Bicycle and the battery-operated motor cycle, battery management system, display instrument, charger and control panel; Has good versatility; Can realize the resultant fault diagnosis function of car body; And hardware test and parameter adjustment platform can be provided, safe and reliable.
Claims (6)
1. Electrical Bicycle and battery-operated motor cycle car load communication system based on a CAN bus; Comprise electric machine controller, battery management system and display instrument; It is characterized in that: said electric machine controller, battery management system and display instrument all are articulated on the CAN bus, form the car load communication system through the CAN bus.
2. Electrical Bicycle and battery-operated motor cycle car load communication system based on the CAN bus according to claim 1 is characterized in that: also be mounted with control panel, charger and upper computer on the said CAN bus.
3. Electrical Bicycle and battery-operated motor cycle car load communication system based on the CAN bus according to claim 1 is characterized in that: be mounted with the CAN gateway on the said CAN bus.
4. Electrical Bicycle and battery-operated motor cycle car load communication system based on the CAN bus according to claim 1, it is characterized in that: the speed of transmission of said CAN bus is 250Kbps.
5. Electrical Bicycle and battery-operated motor cycle car load communication system based on the CAN bus according to claim 2, it is characterized in that: said upper computer comprises computing machine, mobile phone or navigating instrument.
6. Electrical Bicycle and battery-operated motor cycle car load communication system based on the CAN bus according to claim 1, it is characterized in that: said electric machine controller, battery management system intercom with the node address mode with display instrument mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201378038U CN202541456U (en) | 2012-03-31 | 2012-03-31 | CAN-bus-based whole vehicle communication system for electric bicycle and electric motor car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201378038U CN202541456U (en) | 2012-03-31 | 2012-03-31 | CAN-bus-based whole vehicle communication system for electric bicycle and electric motor car |
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| Publication Number | Publication Date |
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| CN202541456U true CN202541456U (en) | 2012-11-21 |
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| CN2012201378038U Expired - Fee Related CN202541456U (en) | 2012-03-31 | 2012-03-31 | CAN-bus-based whole vehicle communication system for electric bicycle and electric motor car |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560279A (en) * | 2013-11-21 | 2014-02-05 | 上海航天电源技术有限责任公司 | Battery management system diagnosing system based on CAN (Controller Area Network) bus and diagnosing-maintaining method of diagnosing system |
| CN105083459A (en) * | 2015-08-14 | 2015-11-25 | 深圳市家信信息科技开发有限公司 | Electric bicycle control system based on CAN bus |
| CN105182941A (en) * | 2015-09-21 | 2015-12-23 | 深圳市家信信息科技开发有限公司 | Intelligent bicycle body equipment detection system based on bus |
| CN109995630A (en) * | 2019-03-20 | 2019-07-09 | 天津驭驰科技有限公司 | Electronic automobile-used monobus bidirectional serial communication circuit system technique |
| CN110601944A (en) * | 2019-09-19 | 2019-12-20 | 成都埃克思智创科技有限公司 | CAN protocol communication method applied to Internet of things |
| CN110602177A (en) * | 2019-08-26 | 2019-12-20 | 深圳移航通信技术有限公司 | Method, device and system for electric bicycle communication |
| CN110803129A (en) * | 2019-11-15 | 2020-02-18 | 浙江衡睿科技有限公司 | Intelligent power control system of electric motorcycle |
| CN114056467A (en) * | 2020-08-06 | 2022-02-18 | 无锡欧亚通照明科技有限公司 | Electric two-wheeled vehicle and electric tricycle body CAN bus full digital control system |
-
2012
- 2012-03-31 CN CN2012201378038U patent/CN202541456U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560279A (en) * | 2013-11-21 | 2014-02-05 | 上海航天电源技术有限责任公司 | Battery management system diagnosing system based on CAN (Controller Area Network) bus and diagnosing-maintaining method of diagnosing system |
| CN103560279B (en) * | 2013-11-21 | 2015-09-02 | 上海航天电源技术有限责任公司 | Based on the diagnosis maintaining method of the battery management system diagnostic system of CAN |
| CN105083459A (en) * | 2015-08-14 | 2015-11-25 | 深圳市家信信息科技开发有限公司 | Electric bicycle control system based on CAN bus |
| CN105182941A (en) * | 2015-09-21 | 2015-12-23 | 深圳市家信信息科技开发有限公司 | Intelligent bicycle body equipment detection system based on bus |
| CN105182941B (en) * | 2015-09-21 | 2018-11-02 | 深圳市家信信息科技开发有限公司 | A kind of intelligent bicycle vehicle body device detection system based on bus |
| CN109995630A (en) * | 2019-03-20 | 2019-07-09 | 天津驭驰科技有限公司 | Electronic automobile-used monobus bidirectional serial communication circuit system technique |
| CN110602177A (en) * | 2019-08-26 | 2019-12-20 | 深圳移航通信技术有限公司 | Method, device and system for electric bicycle communication |
| CN110601944A (en) * | 2019-09-19 | 2019-12-20 | 成都埃克思智创科技有限公司 | CAN protocol communication method applied to Internet of things |
| CN110803129A (en) * | 2019-11-15 | 2020-02-18 | 浙江衡睿科技有限公司 | Intelligent power control system of electric motorcycle |
| CN114056467A (en) * | 2020-08-06 | 2022-02-18 | 无锡欧亚通照明科技有限公司 | Electric two-wheeled vehicle and electric tricycle body CAN bus full digital control system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190212 Address after: 214125 No. 59-10 Xiuxi Road, Binhu District, Wuxi City, Jiangsu Province Patentee after: Wuxi Lingbo Electronic Technology Co., Ltd. Address before: 214125 Xiuxi Road, Binhu District, Wuxi City, Jiangsu Province, No. 59 Jiaotong University Creative Park Building 10 Patentee before: Wuxi City Lingxiang Electric Driving Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20200331 |