CN202694134U - Improved electric automobile network management apparatus - Google Patents
Improved electric automobile network management apparatus Download PDFInfo
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- CN202694134U CN202694134U CN2012204110204U CN201220411020U CN202694134U CN 202694134 U CN202694134 U CN 202694134U CN 2012204110204 U CN2012204110204 U CN 2012204110204U CN 201220411020 U CN201220411020 U CN 201220411020U CN 202694134 U CN202694134 U CN 202694134U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses an improved electric automobile network management apparatus. The apparatus comprises two layers of network structures. A first layer of network structure comprises a whole-vehicle master control module. The whole-vehicle master control module is connected with a high speed CAN1, a high speed CAN2, a low speed CAN and a high speed CAN4. The high speed CAN1 is connected with a power system module. The high speed CAN2 is connected with a module which monitors a safety aspect of the electric automobile. The low speed CAN is connected with a body control aspect module. The high speed CAN4 is connected with a diagnostic apparatus so as to carry out fault diagnosis. The whole-vehicle master control module is equivalent to a whole vehicle main gateway. A second hierarchy network architecture is characterized in that a cell management system is connected with a high speed CAN3; the high speed CAN3 is connected with a charger. The charger carries out communication with the vehicle through the cell management system. The cell management system is equivalent to a subnet gateway. By using the apparatus, there are the following advantages that energy consumption is reduced; continuous monitoring of the electric automobile is realized.
Description
Technical field
The utility model belongs to the pure electric automobile communications field, has proposed a kind of improved electric automobile network administration apparatus.
Background technology
Controller area network network (CAN) bussing technique is widely used at automobile, has that speed is high, anti-interference, cost is low, the reliability high.The network service management regulation mostly adopts the management regulation of OSEK/VDX NM, this standard code two kinds of network monitoring patterns, comprise direct monitoring management and indirect control and supervision the management two kinds of monitoring modes:
1) directly monitoring management utilizes the communication mechanism of mark directly to monitor;
2) the indirect control and supervision management realizes network monitoring by the periodic message of monitor node.
The automotive networking management expectancy modules of traditional employing internal combustion engine is according to unified regular regular transmission data or status information, yet for pure electric automobile, this management method can have been ignored the potential safety hazard that the distinctive character of battery causes, such as behind the orthodox car switch-off, network management has entered closed condition, yet electric automobile all needs to keep safety vigilant whenever and wherever possible, by the characteristic of monitoring battery, in case blast or the burning that the system failure, excess Temperature or the situations such as overtension, collision cause occur.When guaranteeing security monitoring, need to consider the endurance distance of electric automobile, by adopting the node that selectively wakes the function that needs up, close other irrelevant node or parts, saved battery power consumption.
The SWITCH of associating group that is made of automaker and semiconductor supplier has formulated the localized network standard for the high-speed CAN Physical layer, and be intended to be the extension standards of ISO11898, in the network with localized network characteristic, electronic control unit can activate under sleep pattern when detecting specific wakeup message.But the function that needs to increase transceiver is waken instruction up with detection, and simultaneously corresponding software architecture also needs to revise.This patent has proposed a kind of indirect type localized network management method, does not need to revise software and hardware structure, has saved cost.
The utility model content
The shortcoming that exists in order to solve prior art, the utility model purpose provides a kind of improved electric automobile network administration apparatus.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of improved electric automobile network administration apparatus, comprise the two-tier network structure, the ground floor network structure comprises the car load main control module, described main control module is connected with high-speed CAN with high-speed CAN 1, high-speed CAN 2, low speed CAN respectively and is connected, described high-speed CAN 1 links to each other with the power system module, and described power system module comprises motor control module, the control module of braking, turn to control module; Described high-speed CAN 2 is connected with the module of monitoring electric automobile secure context, the module of monitoring electric automobile secure context comprises battery management system, energy management system and vehicle-mounted monitoring system, described low speed CAN and Body Control aspect module, Body Control aspect module comprises car body control module, the car entertainment module, described high-speed CAN 4 is connected with diagnostic equipment carries out fault diagnosis, the car load main control module here is equivalent to the car load primary gateway, the second hierarchical network framework is that described battery management system is connected with high-speed CAN 3, high-speed CAN 3 is connected with charging set, charging set carries out communication by battery management system and vehicle, and battery management system is equivalent to subnet and closes.
Described high-speed CAN 1, high-speed CAN 2, low speed CAN, high-speed CAN 3 networks carry out respectively the mutual and control of data with the car load main control module.
The above-mentioned network architecture that the utility model proposes, one or more CAN communication networks are closed or opened to the car load main control module by sending control command, thereby the communication of the automatically controlled node in the control CAN communication branch is closed or is opened, car load main control module transmission wake command is waken the automatically controlled node on the corresponding CAN circuit up when needing work, thereby has reached the purpose of Partial controll.
A kind of implementation method of improved electric automobile network management, electric automobile communication network comprise four kinds of mode of operations: travel, stop, charging and diagnostic mode; Every kind of mode of operation allows the information frame of transmission as follows respectively: under " travelling " pattern, function frame, diagnosis frame, security monitoring frame and gateway commands frame allow transmission; Under the " STOP " pattern, the security monitoring node is in active state on the electric automobile CAN2 circuit, and other CAN roads are in the communication closed condition, security monitoring frame under this state, wakes frame up and allows to send; Under " charging " pattern, security monitoring frame, gateway commands frame allow transmission; Under " diagnosis " pattern, diagnosis frame, security monitoring frame, gateway commands frame allow transmission; Wherein under each pattern, the function frame is sent by the child node on high-speed CAN 1 and the low speed CAN circuit, and the car load main control module receives; The diagnosis frame is sent by diagnostic equipment, and the car load main control module receives; The security monitoring frame is sent by the child node above the high-speed CAN 2, and the car load main control module receives; The gateway commands frame is sent by the car load main control module, and child node receives in its each CAN line branch; Wake frame up and sent by the car load main control module, child node receives in its each CAN line branch; The security monitoring frame is sent by the child node above the high-speed CAN 2, and the car load main control module receives; The gateway commands frame is sent by the car load main control module, and child node receives in its each CAN line branch.
Table 1 has defined under every kind of mode of operation, map network transmission information frame.
Table 1
| Sequence number | Mode of operation information frame | The function frame | The diagnosis frame | The security monitoring frame | Wake frame up | The gateway commands frame |
| 1 | Driving mode | Be | Be | Be | No | Be |
| 2 | Car-parking model | No | No | Be | Be | No |
| 3 | Charge mode | No | No | Be | No | Be |
| 4 | Diagnostic mode | No | Be | Be | No | Be |
Useful result of the present utility model is, under the network structure pattern that the utility model proposes, electric automobile cuts out unwanted control module targetedly according to different operational mode (stop, travel, charge, diagnose), in running order in the monitoring module formula relevant with electric motor car safety, both guaranteed that security had also guaranteed the requirement of conserve energy, reduce energy consumption, realized the monitoring of electric motor car free of discontinuities; This way to manage does not need to change framework architecture soft, that firmly add, realizes that cost is low; This network managing mode is particularly suitable for one or more gateways and a plurality of network architecture from the control node.
Description of drawings
Fig. 1 is the Organization Chart of electric automobile network service;
Fig. 2 is electric automobile network state figure;
Embodiment
Fig. 1 is the electric automobile architectures of communication networks that the utility model patent proposes, and for convenience of explanation, has only shown the part relevant with the utility model example.
The car load main control module carries out exchanges data by high-speed CAN 1 module relevant with power control among Fig. 1, comprises motor control module, the control module of braking, turns to control module; Stop, charging and diagnosing under three kinds of patterns, sending control command by the car load main control module and close its communication.
The car load main control module carries out communication by high-speed CAN 2 module relevant with the electric automobile security monitoring, and module comprises battery management module, energy management module, vehicle-mounted monitoring module.Under four kinds of different working modes, this road communication network state is in work all the time.
The car load main control module carries out exchanges data by low speed CAN and Body Control correlation module, comprises car body control module, the car entertainment module.Stop, charging and diagnosing under three kinds of mode of operations, sending control command by the car load main control module and close its communication.
Battery management module is carried out exchanges data by high-speed CAN 3 and charging set, and this road communication only is in opening under charge mode.
Diagnostic equipment carries out exchanges data by high-speed CAN 4 and car load main control module, and communication only is in opening at diagnostic work.
Fig. 2 is electric automobile network state transition diagram.
State 1 is park mode, does not have transmission of messages on the network, is in unactivated state, waits for outside wakeup message this moment; If receive wake command, network 2 patterns that get the hang of that are activated then;
State 2 is awakening mode, receive wakeup message on the network after, network is in and starts the transfer management state, but this moment, network did not have network monitoring, if when received normal command this moment, network will enter into normal mode;
State 3 is normal mode, and network is in the normal transmission state, and all functions message is all in transmission, and wakeup message stops to send, and this moment, network allowed diagnosis and monitoring, but did not allow charging;
State 4 is the middle model between network normal mode and the park mode for the preparation park mode, and network this moment is transmission information not;
State 5 is the selectivity dormancy, and the car load main control module waits and wakes this network when needing up again according to the current residing pattern of vehicle (travel, stop, charge, diagnose) selectivity closed portion network.Such as being in stop mode when vehicle, car load main control module closing high-speed CAN1 and low speed CAN network allow corresponding node be in dormant state, and high-speed CAN 2 networks are in normal operating conditions.
Claims (2)
1. improved electric automobile network administration apparatus, it is characterized in that: comprise the two-tier network structure, the ground floor network structure comprises the car load main control module, described car load main control module is connected with high-speed CAN with high-speed CAN 1, high-speed CAN 2, low speed CAN respectively and is connected, described high-speed CAN 1 links to each other with the power system module, and described power system module comprises motor control module, the control module of braking, turn to control module; Described high-speed CAN 2 is connected with the module of monitoring electric automobile secure context, the module of monitoring electric automobile secure context comprises battery management system, energy management system and vehicle-mounted monitoring system, described low speed CAN and Body Control aspect module, Body Control aspect module comprises car body control module, the car entertainment module, described high-speed CAN 4 is connected with diagnostic equipment carries out fault diagnosis, the car load main control module here is equivalent to the car load primary gateway, the second hierarchical network framework is that described battery management system is connected with high-speed CAN 3, high-speed CAN 3 is connected with charging set, charging set carries out communication by battery management system and vehicle, and battery management system is equivalent to subnet and closes.
2. a kind of improved electric automobile network administration apparatus as claimed in claim 1 is characterized in that; Described high-speed CAN 1, high-speed CAN 2, low speed CAN, high-speed CAN 3 networks carry out respectively the mutual and control of data with the car load main control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204110204U CN202694134U (en) | 2012-08-17 | 2012-08-17 | Improved electric automobile network management apparatus |
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| CN2012204110204U CN202694134U (en) | 2012-08-17 | 2012-08-17 | Improved electric automobile network management apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799166A (en) * | 2012-08-17 | 2012-11-28 | 山东省科学院自动化研究所 | Improved network management device and method for electric automobile |
| CN108600063A (en) * | 2018-03-12 | 2018-09-28 | 上海伊控动力***有限公司 | A kind of bus network topology framework of pure electric logistic car |
| CN110371313A (en) * | 2019-07-23 | 2019-10-25 | 江苏天一机场专用设备股份有限公司 | A kind of whole-control system and control method for electronic boat food vehicle |
-
2012
- 2012-08-17 CN CN2012204110204U patent/CN202694134U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799166A (en) * | 2012-08-17 | 2012-11-28 | 山东省科学院自动化研究所 | Improved network management device and method for electric automobile |
| CN102799166B (en) * | 2012-08-17 | 2014-06-18 | 山东省科学院自动化研究所 | Improved network management device and method for electric automobile |
| CN108600063A (en) * | 2018-03-12 | 2018-09-28 | 上海伊控动力***有限公司 | A kind of bus network topology framework of pure electric logistic car |
| CN110371313A (en) * | 2019-07-23 | 2019-10-25 | 江苏天一机场专用设备股份有限公司 | A kind of whole-control system and control method for electronic boat food vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20160817 |
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| CF01 | Termination of patent right due to non-payment of annual fee |