CN102929271B - Electric automobile motive power control system assembly EAM system and method - Google Patents
Electric automobile motive power control system assembly EAM system and method Download PDFInfo
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- CN102929271B CN102929271B CN201210429358.7A CN201210429358A CN102929271B CN 102929271 B CN102929271 B CN 102929271B CN 201210429358 A CN201210429358 A CN 201210429358A CN 102929271 B CN102929271 B CN 102929271B
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Abstract
The invention provides a kind of electric automobile motive power control system assembly EAM system, comprise PCU on-site terminal and background server; Described PCU on-site terminal comprises for the data acquisition unit from power control system image data, for carrying out the first analytic unit of vehicle-state detection according to the data gathered and the data of collection be sent to the data forwarding unit of background server; Described background server comprises the second storage unit of the related data for being stored in the power control system that different time is uploaded and the second analytic unit for detecting vehicle-state according to all historical datas of power control system.The present invention also provides a kind of method of correspondence.The present invention carries out the fault detect of two types respectively by PCU on-site terminal and background server according to instant data and historical data, can change traditional passive maintenance into aggressive preventative maintenance.
Description
Technical field
The present invention relates to electric automobile area of maintenance, more particularly, relate to a kind of electric automobile motive power control system assembly EAM system and method.
Background technology
Along with new energy field development, electric automobile industry achieves significant progress.Power control system (PCU) is the car load kernel component system of electric automobile, be responsible for the multiple functions such as control, computing, signal conversion processes, fault diagnosis, communication and driving, it is according to the intention of driver and driving cycle, carry out rational power distribution in real time and the energy flow coordinated between each parts, to improve the dynamic property of car load, security and high efficiency.
The safety of electric automobile and reliability are the focuses of social concerns, are also the core index of electric automobile.At present, the maintenance process simulation of electric automobile is substantially identical with orthodox car, and namely car owner is when vehicle cannot travel or panel board is reported to the police, and vehicle is walked to helpdesk, by staff's socket all parts item by item, finds out abort situation and repair or replace parts.
Above-mentioned maintenance process simulation mode, not only wastes time and energy, and cannot support vehicles safety traffic.The such as alarm free when vehicle exists potential risk, makes car owner cannot do maintenance in time.
Summary of the invention
The technical problem to be solved in the present invention is, for above-mentioned electric automobile maintenance, diagnoses the problem that cost is higher, provides a kind of electric automobile motive power control system assembly EAM system and method.
The technical scheme that the present invention solves the problems of the technologies described above is, provides a kind of electric automobile motive power control system assembly EAM system, comprises PCU on-site terminal and background server; Described PCU on-site terminal comprises data acquisition unit, the first analytic unit and data forwarding unit; Described background server comprises the second storage unit and the second analytic unit; Described data acquisition unit, for being gathered real time diagnostic data and the alert data of power control system by entire car controller, described real time diagnostic data is the operational factor of power control system, and described alert data detects generation automatically by power control system; Described first analytic unit, for carrying out vehicle-state detection according to described real time diagnostic data and alert data and carrying out fault and trouble location prompting when detecting vehicle abnormal state by the display screen of PCU on-site terminal; Described data forwarding unit, for being sent to background server by described real time diagnostic data and alert data; Described second storage unit, for being stored in all real time diagnostic data and the alert data of the power control system that different time is uploaded; Described second analytic unit, detects vehicle-state for all real time diagnostic data of power control system of uploading according to different time points and alert data, and produces warning message when detecting abnormal.
In electric automobile motive power control system assembly EAM system of the present invention, the warning message of generation is sent to the display of PCU on-site terminal by described second analytic unit.
In electric automobile motive power control system assembly EAM system of the present invention, store car owner's contact method in described second storage unit, described warning message is sent to corresponding car owner according to described car owner's contact method by described second analytic unit.
In electric automobile motive power control system assembly EAM system of the present invention, it is one or more that the real time diagnostic data of the power control system of described data acquisition unit acquires and alert data comprise in electric machine controller, high voltage power distribution module, DC-DC converter, the real time diagnostic data of High-Voltage Insulation monitoring modular and alert data.
In electric automobile motive power control system assembly EAM system of the present invention, described PCU on-site terminal is vehicle-mounted computer, and this vehicle-mounted computer is connected to the entire car controller of electric automobile by CAN.
The present invention also provides a kind of electric automobile motive power control system assembly EAM method, comprises the following steps:
A () PCU on-site terminal gathers real time diagnostic data and the alert data of power control system by entire car controller, described real time diagnostic data is the operational factor of power control system, and described alert data detects generation automatically by power control system;
B () PCU on-site terminal carries out vehicle-state detection according to described real time diagnostic data and alert data and carries out fault and trouble location prompting when detecting vehicle abnormal state by the display screen of PCU on-site terminal; Described real time diagnostic data and alert data are also sent to background server storage by this PCU on-site terminal simultaneously, and described background server stores all real time diagnostic data and the alert data of the power control system uploaded at different time;
All real time diagnostic data of c power control system that () described background server is uploaded according to different time points and alert data detect vehicle-state, and produce warning message when detecting abnormal.
In electric automobile motive power control system assembly EAM method of the present invention, also comprise after described step (c): described warning message is sent to PCU on-site terminal.
In electric automobile motive power control system assembly EAM method of the present invention, store car owner's contact method in described background server, comprise after described step (c), according to described car owner's contact method, described warning message is sent to corresponding car owner.
In electric automobile motive power control system assembly EAM method of the present invention, it is one or more that the real time diagnostic data of the power control system gathered in described step (a) and alert data comprise in electric machine controller, high voltage power distribution module, DC-DC converter, the real time diagnostic data of High-Voltage Insulation monitoring modular and alert data.
In electric automobile motive power control system assembly EAM method of the present invention, described PCU on-site terminal is vehicle-mounted computer, and this vehicle-mounted computer is communicated with the entire car controller of electric automobile by CAN.
Electric automobile motive power control system assembly EAM system and method for the present invention, carried out the fault detect of two types respectively according to instant data and historical data by PCU on-site terminal and background server, change traditional passive maintenance into aggressive preventative maintenance, effectively can improve the efficiency of electric automobile maintenance, improve the security of vehicle simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of electric automobile motive power control system assembly EAM system embodiment of the present invention.
Fig. 2 is the schematic flow sheet of electric automobile motive power control system assembly EAM embodiment of the method for the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The present invention uses for reference the thinking of EAM (enterprise asset management), by integrated with real-time data acquisition system (DAS), change the passive maintenance mode of orthodox car into aggressive preventative maintenance, thus improve the efficiency improving electric automobile maintenance, improve the security of vehicle simultaneously.
As shown in Figure 1, be the schematic diagram of electric automobile motive power control system assembly EAM system embodiment of the present invention.Electric automobile motive power control system assembly EAM system in the present embodiment comprises PCU on-site terminal 20 and background server 30, and above-mentioned PCU on-site terminal 20 is connected by network with between background server 30, above-mentioned network comprises mobile communications network (such as WCDMA, CDMA2000, TD-CDMA, GPRS network etc.) and/or Ethernet.When specific implementation, PCU on-site terminal 20 can adopt the touch panel computer based on WindowsXP system and JAVA Software Development Platform, such as, for being loaded in the vehicle-mounted computer on electric automobile.Background server 30 has Database Systems (such as SQLSever etc.).
PCU on-site terminal 20 is connected to power control system (PCU) by CAN, comprises data acquisition unit 21, first analytic unit 22 and data forwarding unit 23.Above-mentioned data acquisition unit 21, first analytic unit 22 and data forwarding unit 23 are by the software simulating running on PCU on-site terminal 20.Background server 30 is positioned at maintenance centre, and the data on it can supply other-end device access, and this background server 30 comprises the second storage unit 31 and the second analytic unit 32.Similarly, above-mentioned second storage unit 31 and the second analytic unit 32 can by the software simulating running on background server 30.
Data acquisition unit 21 gathers real time diagnostic data and the alert data of power control system by the entire car controller 15 of power control system 10.Above-mentioned real time diagnostic data is the operational factor of power control system 10, and these operational factors reflect the state (such as motor temperature, rotating speed, battery temperature, dump energy etc.) of power control system.Particularly, above-mentioned true diagnostic data carries out arranging when vehicle release (or arrange) by PCU on-site terminal.Alert data is the reminder-data that power control system 10 produces when operation exception, and it detects generation automatically by power control system 10.
Above-mentioned power control system is the car load core component of electric automobile, be responsible for the multiple functions such as control, computing, signal conversion processes, fault diagnosis, communication and driving, what specifically can comprise in electric machine controller 11, high voltage power distribution module 12, DC-DC converter 13 and High-Voltage Insulation monitoring modular 14 is one or more.Correspondingly, what the power control system real time diagnostic data that gathers of data acquisition unit 21 and alert data comprised in electric machine controller real time diagnostic data, high voltage power distribution module real time diagnostic data, DC-DC converter real time diagnostic data, High-Voltage Insulation monitoring modular real time diagnostic data is one or more.
First analytic unit 22, for the real time diagnostic data that gathered by entire car controller 15 according to data acquisition unit 21 and alert data, carries out vehicle-state detection and in detection vehicle abnormal state alarm (such as carrying out fault and trouble location prompting etc. by the display screen of PCU on-site terminal 20).This first analytic unit 22 detects according to the real time data gathered, and can detect the catastrophic failure of power control system 10, to ensure traffic safety.
Data forwarding unit 23 is sent to background server 30 for the real time diagnostic data that gathered by data acquisition unit 21 and alert data.This data forwarding unit 23 forwards above-mentioned real time diagnostic data and alert data by cordless communication network and/or Ethernet.
Second storage unit 31 is for all real time diagnostic data of power control system of being stored in different time and uploading and alert data.This second storage unit 31 is that the power control system of each electric automobile sets up a set of historical data archives, these historical data archives comprise that PCU on-site terminal 20 uploads about all diagnostic data of this power control system in life cycle and alert data.In addition, this background server 30 also can be connected with vehicle maintenance and management system, thus can comprise all maintenances, maintenance data etc. of this electric automobile in historical data archives.
Second analytic unit 32 for detecting vehicle-state according to all real time diagnostic data of power control system and alert data, and produces warning message when detecting abnormal.Because the detection foundation of this second analytic unit 32 is all real time diagnostic data and alert data, such as can detect according to the difference of the same data of different time points collection, thus the potential risk (such as can be whether aging according to the variation diagnostic battery of the time of battery discharge) of power control system can be found.
Generation warning message, when detecting power control system and being abnormal, can send by the second analytic unit 32.Particularly, when warning message sends, warning message directly can be sent to PCU on-site terminal 20 by network (wired, wireless or combination) and show by the second analytic unit 32.In addition, when storing car owner's contact method in the second storage unit 31, warning message can be sent to corresponding car owner's (being such as sent to mobile phone etc. by short message mode) according to car owner's contact method by the second analytic unit 32.
In addition, first storage unit also can be set in PCU on-site terminal 20, for diagnostic data and the alert data of interim storage of collected.
As shown in Figure 2, be the schematic flow sheet of electric automobile motive power control system assembly EAM embodiment of the method for the present invention.The method comprises the following steps:
Step S21:PCU on-site terminal gathers real time diagnostic data and the alert data of the power control system of electric automobile by entire car controller.Above-mentioned PCU on-site terminal can adopt the touch panel computer (such as vehicle-mounted computer) based on WindowsXP system and JAVA Software Development Platform, this PCU on-site terminal is connected to power control system (PCU) by CAN, to obtain the data of power control system.
Above-mentioned power control system is the car load core component of electric automobile, and what specifically can comprise in electric machine controller, high voltage power distribution module, DC-DC converter and High-Voltage Insulation monitoring modular is one or more.Correspondingly, it is one or more that the power control system real time diagnostic data gathered in this step and alert data comprise in electric machine controller real time diagnostic data, high voltage power distribution module real time diagnostic data, DC-DC converter real time diagnostic data, High-Voltage Insulation monitoring modular real time diagnostic data.
Step S22:PCU on-site terminal carries out vehicle-state detection (namely real-time fault detect) according to real time diagnostic data and alert data and is detecting vehicle abnormal state alarm (such as in the display screen display alarm information of PCU on-site terminal); Meanwhile, real time diagnostic data and alert data are also sent to background server and store by this PCU on-site terminal, and this background server stores all real time diagnostic data and the alert data of the power control system uploaded at different time.
Step S23: background server detects vehicle-state according to all real time diagnostic data of power control system and alert data, and produces warning message when detecting abnormal.
In above-mentioned electric automobile motive power control system assembly EAM method, also can comprise after step S23 and the warning message produced in step S23 is sent to the display of PCU on-site terminal; Or in background server, store car owner's contact method, according to car owner's contact method, warning message is sent to corresponding car owner.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. an electric automobile motive power control system assembly EAM system, is characterized in that: comprise PCU on-site terminal and background server; Described PCU on-site terminal comprises data acquisition unit, the first analytic unit and data forwarding unit; Described background server comprises the second storage unit and the second analytic unit; Described data acquisition unit, for being gathered real time diagnostic data and the alert data of power control system by entire car controller, described real time diagnostic data is the operational factor of power control system, and described alert data detects generation automatically by power control system; Described first analytic unit, for carrying out vehicle-state detection according to described real time diagnostic data and alert data and carrying out fault and trouble location prompting when detecting vehicle abnormal state by the display screen of PCU on-site terminal; Described data forwarding unit, for being sent to background server by described real time diagnostic data and alert data; Described second storage unit, for being stored in all real time diagnostic data and the alert data of the power control system that different time is uploaded; Described second analytic unit, detects vehicle-state for all real time diagnostic data of power control system of uploading according to different time points and alert data, and produces warning message when detecting abnormal.
2. electric automobile motive power control system assembly EAM system according to claim 1, is characterized in that: the warning message of generation is sent to the display of PCU on-site terminal by described second analytic unit.
3. electric automobile motive power control system assembly EAM system according to claim 1, it is characterized in that: store car owner's contact method in described second storage unit, described warning message is sent to corresponding car owner according to described car owner's contact method by described second analytic unit.
4. the electric automobile motive power control system assembly EAM system according to any one of claim 1-3, is characterized in that: it is one or more that the real time diagnostic data of the power control system of described data acquisition unit acquires and alert data comprise in electric machine controller, high voltage power distribution module, DC-DC converter, the real time diagnostic data of High-Voltage Insulation monitoring modular and alert data.
5. electric automobile motive power control system assembly EAM system according to claim 1, is characterized in that: described PCU on-site terminal is vehicle-mounted computer, and this vehicle-mounted computer is connected to the entire car controller of electric automobile by CAN.
6. an electric automobile motive power control system assembly EAM method, is characterized in that: comprise the following steps:
A () PCU on-site terminal gathers real time diagnostic data and the alert data of power control system by entire car controller, described real time diagnostic data is the operational factor of power control system, and described alert data detects generation automatically by power control system;
B () PCU on-site terminal carries out vehicle-state detection according to described real time diagnostic data and alert data and carries out fault and trouble location prompting when detecting vehicle abnormal state by the display screen of PCU on-site terminal; Described real time diagnostic data and alert data are also sent to background server storage by this PCU on-site terminal simultaneously, and described background server stores all real time diagnostic data and the alert data of the power control system uploaded at different time;
All real time diagnostic data of c power control system that () described background server is uploaded according to different time points and alert data detect vehicle-state, and produce warning message when detecting abnormal.
7. electric automobile motive power control system assembly EAM method according to claim 6, is characterized in that: also comprise after described step (c): described warning message is sent to the display of PCU on-site terminal.
8. electric automobile motive power control system assembly EAM method according to claim 6, it is characterized in that: in described background server, store car owner's contact method, comprise after described step (c), according to described car owner's contact method, described warning message is sent to corresponding car owner.
9. the electric automobile motive power control system assembly EAM method according to any one of claim 6-8, is characterized in that: it is one or more that the real time diagnostic data of the power control system gathered in described step (a) and alert data comprise in electric machine controller, high voltage power distribution module, DC-DC converter, the real time diagnostic data of High-Voltage Insulation monitoring modular and alert data.
10. electric automobile motive power control system assembly EAM method according to claim 6, is characterized in that: described PCU on-site terminal is vehicle-mounted computer, and this vehicle-mounted computer is communicated with the entire car controller of electric automobile by CAN.
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| CN101706372A (en) * | 2009-11-10 | 2010-05-12 | 奇瑞汽车股份有限公司 | Electronic-control vehicle remote diagnosis system and diagnosis method thereof |
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| JP5152644B2 (en) * | 2008-01-25 | 2013-02-27 | 九州電力株式会社 | Electric drive charging system and method |
| CN102139700B (en) * | 2010-02-01 | 2013-07-17 | 同济大学 | Vehicle working condition online monitoring system for rail transit |
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| CN101706372A (en) * | 2009-11-10 | 2010-05-12 | 奇瑞汽车股份有限公司 | Electronic-control vehicle remote diagnosis system and diagnosis method thereof |
| CN102673424A (en) * | 2012-06-13 | 2012-09-19 | 苏州汇川技术有限公司 | Weak-current power supply system for power control unit (PCU) of electric automobile |
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