CN2895141Y - Fault diagnosis and high-tension control device for electric vehicle - Google Patents
Fault diagnosis and high-tension control device for electric vehicle Download PDFInfo
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- CN2895141Y CN2895141Y CN 200520131067 CN200520131067U CN2895141Y CN 2895141 Y CN2895141 Y CN 2895141Y CN 200520131067 CN200520131067 CN 200520131067 CN 200520131067 U CN200520131067 U CN 200520131067U CN 2895141 Y CN2895141 Y CN 2895141Y
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Abstract
The utility model discloses a failure diagnosis and high voltage controlling device for electric automobile which takes the high voltage control as the first function target, the failure diagnosis with a divided control system as the character and covers the failure diagnosis and management of CAN bus. The utility model comprises an automobile drive CAN bus, LCD display module, high voltage test module, high voltage system executing module, FLASH storage which are all connected with the ECU, as well as a RS 232 port of the upper computer communication. The high voltage test module is composed of a censor array, a contact monitor module, an acceleration sensor and a relay array which are all connected with the ECU; The sensor array is connected with a micro-processor CMOS chip through the A/D collection port; the contact monitor module is connected with the ECU thorough port lines; the ECU applies the MC56F8346 high performance mixed processor manufactured by the Motorola Company; and the contact monitor module applies the MC33993 CMOS chip.
Description
Technical field
The utility model relates to a kind of monitor control system of transport vehicle, relates in particular to a kind of malfunction monitoring and high-tension current control system of elec. vehicle.
Background technology
As a kind of novel energy vehicle, electronlmobil proposes the new problem of many general character technically, and wherein, high-voltage safety becomes the topmost problem that is different from conventional truck.For to the reliability of electronlmobil and the consideration of safety, the research and development of carrying out failure mode, automatic diagnosis, expiration policy and the safety control strategy of low-voltage electric system and high voltage power system is extremely important.Existing elec. vehicle has following drawback:
Electronlmobil is a complication system that is made of a plurality of subsystems, mainly comprises power systems such as electrokinetic cell, motor gear box, braking, and other annex, as: air-conditioning, servo-steering etc.; Each subsystem is nearly all finished function and target separately by the control unit (ECU) of oneself.That summarizes says, the low-voltage electric system of existing complexity has the high voltage power system of high potential, big electric current again.The existing problem of said system is: owing to be subjected to influencing each other of control system parameter in each subsystem, and the variation of mode of operation, make sensor and actuator lose efficacy easily, thereby cause vehicle trouble rate height, but present neither one again is fit to the detection control system of said system trouble diagnosing machine high-tension current.
The utility model content
The purpose of this utility model provides and a kind ofly is made as first functional objective with high-pressure electric control, is characteristics with the trouble diagnosing of dcs, and takes into account the used for electric vehicle trouble diagnosing and the high-tension current control device of the fault detection and the management of CAN bus.
The utility model used for electric vehicle trouble diagnosing and high-tension current control device comprise respectively with ECU bonded assembly automobile power CAN bus, LCD display module, high-tension current detection module, high-tension system execution module, FLASH memory device, and and the RS232 interface of upper machine communication; Described high potential detection module comprises respectively and ECU bonded assembly sensor array, contact monitoring modular, acceleration pick-up and relay array; Described sensor array is connected with little process chip by the A/D acquisition interface; Described contact monitoring modular is connected with ECU by the parallel port line.
The utility model is used for the trouble diagnosing and the high-tension current control device of elec. vehicle, wherein, and the MC56F8346 High Performance hybrid processor that described ECU selects for use motorola inc to produce; Described contact monitoring modular adopts the MC33993 chip, and described contact monitoring modular is connected with a plurality of controllers in the vehicle body, in order to detect each controller input signal; Described LCD display module directly is connected with described ECU by the parallel port line, and described LCD display module adopts the OCM4X8C LCD MODULE; At least be provided with Hall element, speed sensor, acceleration pick-up, opto-electronic pickup, shock sensor or temperature sensor in the described sensor array; At least be provided with fusible line or safety box in the described relay array; Also be provided with the calendar clock administration module.
Compared with prior art, the beneficial effects of the utility model are:
(1) in the utility model, therefore real-time, have the synchronous processing function owing to adopted powerful little process chip as its ECU, can handle the monitoring and the diagnosis algorithm of complexity;
(2) owing to be provided with acceleration pick-up, therefore have and satisfying under certain acceleration, deceleration degree condition and can cut off function by the quick operated start main contactor;
(3) can there be the circuit of the elec. vehicle of high potential, big electric current to detect in real time and control again to the low-voltage electric system of existing complexity.
Description of drawings
Fig. 1 is that the utility model is used for the trouble diagnosing of elec. vehicle and the schematic diagram of high-tension current control device;
Fig. 2 is that the utility model is used for the trouble diagnosing of elec. vehicle and the structured flowchart of high-tension current control device;
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail.
As depicted in figs. 1 and 2, the utility model used for electric vehicle trouble diagnosing and high-tension current control device adopt function to divide and idea of modular, are separated into different functional modules according to functional requirement.Comprise respectively with ECU bonded assembly automobile power CAN bus, LCD display module, high-tension current detection module, high-tension system execution module, non-volatile memory medium, and and the RS232 interface of PC communication; Described high potential detection module comprises respectively and ECU bonded assembly sensor array, contact monitoring modular, acceleration pick-up and relay array; Described sensor array is connected with ECU by the A/D acquisition interface, described contact monitoring modular is connected with ECU by the parallel port line, described contact monitoring modular adopts the MC33993 chip, and described contact monitoring modular is connected with a plurality of controllers in the vehicle body, in order to detect each controller input signal;
For the trouble diagnosing management function of the dcs that will satisfy vehicle body and the fault detection and the management function of CAN bus, the CAN bus interface of carrying out communication with described automobile power CAN bus is the high-speed CAN bus interface, described CAN bus interface sends the auspicious and diagnostic code of the bus data that receives to ECU and handles, and the result of ECU is fed back with the form of fault alarm or high-pressure system state.For satisfying the off-line analysis of failure message CAN bus communication between each subsystem of vehicle body and monitoring system or failure diagnostic apparatus, current failure message and historical failure information dual mode have been stipulated.In failure message, standard has all been done in the expression of the current state of not under command light state, high-tension system not under command light state, the fault order of severity, power cycle number of times and fault.
The utility model is used for the trouble diagnosing and the high-tension current control device of elec. vehicle, wherein, the MC56F8346 High Performance hybrid processor that described ECU selects for use motorola inc to produce, utilize its plenty hardware resources and powerful data-handling capacity, realize the complicated high-tension system condition monitoring algorithm and the diagnostic code management function of distributed system, adopt modular design, SMD design and EMC Design thought, make that this use is novel to have very high reliability and an anti-electromagnetic interference capability.
Described acceleration pick-up is the needs for the coordinated management that guarantees dynam safety and high-voltage safety, thereby the longitudinal direction of car kinetic parameter is changed monitoring in real time; Non-volatile memory medium is in order to finish the classification and storage of diagnostic code for adopting Flash memory device and EEPRON.Described LCD display module directly is connected with described ECU by the parallel port line, is convenient monitoring and parameter calibration to controller, and described LCD display module adopts the OCM4X8C LCD MODULE.
According to can selectively being equipped with Hall element, speed sensor, acceleration pick-up, opto-electronic pickup, shock sensor or temperature sensor in the different described sensor array of vehicle.Generally speaking, be provided with fusible line or safety box in the relay array at least.The structure of the concrete relay that is comprised in the described relay array and model also are that the requirement according to vehicle has the selection at type, the coupling of the sensor array and relay array is conspicuous for the technical personnel in the automotive field, does not repeat them here.
For clearer expression failure message, need the time record that fault takes place be got off, originally be can also be provided with the calendar clock administration module in the utility model.
In order to realize the function of the utility model trouble diagnosing and high-tension current control, whether whether the working process of each module is in the utility model: the sensor sensing temperature of appointment, speed in the described sensor array, insulate, leak electricity or the like, sensor array can possess multiple inducing function, such as: the unusual judgement of pre-charge process, the state of insulation of power battery pack, high voltage connector state, this line ball road integrity, pre-charge-relay state, auxiliary battery voltage, boosting battery relay status, dynam safety etc. the aspect.
The utility model is as follows to the diagnostic procedure of vehicle trouble: the above-mentioned signal that sensor array is sensed in the high-tension current detection module is transported to ECU by the A/D acquisition interface and carries out trouble diagnosing: whether fault, trouble point, fault level or the like are arranged, and diagnostic result is transported to related facility by the CAN bus, meanwhile, the state of the relay array in the ECU control high-tension current detection module, with this trouble-shooting, guarantee safety.
The utlity model has the startup function of failure mode planning, automatic diagnosis and expiration policy, be responsible for storage and the erase process of car load (comprising all subsystems) fault diagnosis code in volatibility (RAM) and nonvolatile memory, equally also controlling lighting and extinguishing of trouble tracing lamp.Can be by derivation, demonstration and the callback function that diagnostic code is provided.Described CAN bus interface sends the auspicious and diagnostic code of the bus data that receives to ECU and handles, and the result of ECU is fed back with the form of fault alarm or high-pressure system state.
Although in conjunction with the accompanying drawings preferred embodiment of the present utility model is described above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection of the present utility model.
Claims (9)
1. a trouble diagnosing and a high-tension current that is used for elec. vehicle controlled device, comprise respectively and ECU bonded assembly automobile power CAN bus and LCD display module, it is characterized in that, described ECU also be connected with respectively high-tension current detection module, high-tension system execution module, non-volatile memory medium, and and the RS232 interface of upper machine communication;
Described high potential detection module comprises respectively and ECU bonded assembly sensor array, contact monitoring modular, acceleration pick-up and relay array; Described sensor array is connected with ECU by the A/D acquisition interface, and described contact monitoring modular is connected with ECU by the parallel port line.
2. trouble diagnosing and the high-tension current control device that is used for elec. vehicle according to claim 1, wherein, the MC56F8346 High Performance hybrid processor that described ECU selects for use motorola inc to produce.
3. trouble diagnosing and the high-tension current control device that is used for elec. vehicle according to claim 1, wherein, described contact monitoring modular adopts the MC33993 chip, and described contact monitoring modular is connected with a plurality of controllers in the vehicle body, in order to detect each controller input signal.
4. trouble diagnosing and the high-tension current control device that is used for elec. vehicle according to claim 1, wherein, described LCD display module directly is connected with described ECU by the parallel port line, and described LCD display module adopts the OCM4X8C LCD MODULE.
5. trouble diagnosing and the high-tension current control device that is used for elec. vehicle according to claim 1, wherein, described acceleration pick-up is the MMA2201D structure.
6. trouble diagnosing and the high-tension current control device that is used for elec. vehicle according to claim 1, wherein, described non-volatile memory medium is FLASH memory device and EEPROM.
7. trouble diagnosing and the high-tension current control device that is used for elec. vehicle according to claim 1, wherein, be provided with Hall element, speed sensor, acceleration pick-up, opto-electronic pickup, shock sensor or temperature sensor at least in the described sensor array.
8. trouble diagnosing and the high-tension current control device that is used for elec. vehicle according to claim 1 wherein, is provided with fusible line or safety box at least in the described relay array.
9. trouble diagnosing and the high-tension current control device that is used for elec. vehicle according to claim 1 wherein, also is provided with the calendar clock administration module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520131067 CN2895141Y (en) | 2005-12-31 | 2005-12-31 | Fault diagnosis and high-tension control device for electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520131067 CN2895141Y (en) | 2005-12-31 | 2005-12-31 | Fault diagnosis and high-tension control device for electric vehicle |
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| CN2895141Y true CN2895141Y (en) | 2007-05-02 |
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| CN 200520131067 Expired - Lifetime CN2895141Y (en) | 2005-12-31 | 2005-12-31 | Fault diagnosis and high-tension control device for electric vehicle |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102023621A (en) * | 2010-08-20 | 2011-04-20 | 上海自动化仪表股份有限公司 | Vehicle-mounted interface equipment and data acquiring and processing method thereof |
| CN102236353A (en) * | 2010-04-23 | 2011-11-09 | 上海康丘乐电子电器科技有限公司 | Self-diagnosis system and method of electric vehicle controller |
| CN102280019A (en) * | 2011-06-27 | 2011-12-14 | 江苏大学 | Electric power-assisted steering test bench data acquisition device and network system |
| CN101515176B (en) * | 2008-08-29 | 2012-02-08 | 郭春勇 | Detection device and detection method for electric control system |
| CN102419573A (en) * | 2010-09-28 | 2012-04-18 | 上海海能汽车电子有限公司 | High-voltage safety controller for electric vehicles |
| CN101276488B (en) * | 2008-03-26 | 2012-07-25 | 中国科学院电工研究所 | Vehicular recording instrument capable of implementing intelligent CAN bus communication |
| CN102756654A (en) * | 2011-04-28 | 2012-10-31 | 铃木株式会社 | Power supply control apparatus for vehicle |
| CN103529829A (en) * | 2013-10-31 | 2014-01-22 | 无锡市矽成微电子有限公司 | Test system for electric vehicle controller |
| CN101596901B (en) * | 2009-07-08 | 2014-02-05 | 奇瑞汽车股份有限公司 | Security monitoring system of electric vehicle |
| CN103838226A (en) * | 2012-11-28 | 2014-06-04 | 南车青岛四方机车车辆股份有限公司 | Trouble locating device and method for control and monitoring system of railway vehicle |
| CN104149628A (en) * | 2014-09-04 | 2014-11-19 | 吉林大学 | Electric automobile driving system fault diagnosis centralized controller |
| CN104914769A (en) * | 2015-06-19 | 2015-09-16 | 陕西法士特齿轮有限责任公司 | CAN bus-based data acquisition system and acquisition processing method |
| CN105196877A (en) * | 2015-09-30 | 2015-12-30 | 上海交通大学 | Health state diagnosis early-warning circuit and method of electric automobile high-voltage system |
| CN111002829A (en) * | 2019-11-25 | 2020-04-14 | 深圳市爱夫卡科技股份有限公司 | Self-checking diagnosis method and system for vehicle-mounted charging high-voltage circuit of electric vehicle |
| CN114115186A (en) * | 2021-11-17 | 2022-03-01 | 深圳市道通科技股份有限公司 | Method and system for displaying high-voltage block diagram of new energy automobile |
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2005
- 2005-12-31 CN CN 200520131067 patent/CN2895141Y/en not_active Expired - Lifetime
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101276488B (en) * | 2008-03-26 | 2012-07-25 | 中国科学院电工研究所 | Vehicular recording instrument capable of implementing intelligent CAN bus communication |
| CN101515176B (en) * | 2008-08-29 | 2012-02-08 | 郭春勇 | Detection device and detection method for electric control system |
| CN101596901B (en) * | 2009-07-08 | 2014-02-05 | 奇瑞汽车股份有限公司 | Security monitoring system of electric vehicle |
| CN102236353A (en) * | 2010-04-23 | 2011-11-09 | 上海康丘乐电子电器科技有限公司 | Self-diagnosis system and method of electric vehicle controller |
| CN102023621B (en) * | 2010-08-20 | 2016-05-18 | 上海自动化仪表有限公司 | Vehicle-mounted interface equipment and data acquisition treatment method thereof |
| CN102023621A (en) * | 2010-08-20 | 2011-04-20 | 上海自动化仪表股份有限公司 | Vehicle-mounted interface equipment and data acquiring and processing method thereof |
| CN102419573A (en) * | 2010-09-28 | 2012-04-18 | 上海海能汽车电子有限公司 | High-voltage safety controller for electric vehicles |
| CN102419573B (en) * | 2010-09-28 | 2014-03-12 | 上海海能汽车电子有限公司 | High-voltage safety controller for electric vehicles |
| CN102756654B (en) * | 2011-04-28 | 2014-09-10 | 铃木株式会社 | Power supply control apparatus for vehicle |
| CN102756654A (en) * | 2011-04-28 | 2012-10-31 | 铃木株式会社 | Power supply control apparatus for vehicle |
| CN102280019A (en) * | 2011-06-27 | 2011-12-14 | 江苏大学 | Electric power-assisted steering test bench data acquisition device and network system |
| CN103838226A (en) * | 2012-11-28 | 2014-06-04 | 南车青岛四方机车车辆股份有限公司 | Trouble locating device and method for control and monitoring system of railway vehicle |
| CN103838226B (en) * | 2012-11-28 | 2016-08-17 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle controls and monitoring system trouble-locating apparatus and method |
| CN103529829A (en) * | 2013-10-31 | 2014-01-22 | 无锡市矽成微电子有限公司 | Test system for electric vehicle controller |
| CN104149628A (en) * | 2014-09-04 | 2014-11-19 | 吉林大学 | Electric automobile driving system fault diagnosis centralized controller |
| CN104149628B (en) * | 2014-09-04 | 2016-05-04 | 吉林大学 | A kind of drive system of electric automobile fault diagnosis Centralized Controller |
| CN104914769A (en) * | 2015-06-19 | 2015-09-16 | 陕西法士特齿轮有限责任公司 | CAN bus-based data acquisition system and acquisition processing method |
| CN105196877A (en) * | 2015-09-30 | 2015-12-30 | 上海交通大学 | Health state diagnosis early-warning circuit and method of electric automobile high-voltage system |
| CN105196877B (en) * | 2015-09-30 | 2017-09-08 | 上海交通大学 | Electric automobile high-voltage electric system health status diagnoses early warning circuit and method |
| CN111002829A (en) * | 2019-11-25 | 2020-04-14 | 深圳市爱夫卡科技股份有限公司 | Self-checking diagnosis method and system for vehicle-mounted charging high-voltage circuit of electric vehicle |
| CN114115186A (en) * | 2021-11-17 | 2022-03-01 | 深圳市道通科技股份有限公司 | Method and system for displaying high-voltage block diagram of new energy automobile |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070502 |
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| EXPY | Termination of patent right or utility model |