CN203385554U - Basic calibration system for vehicle engine control unit - Google Patents
Basic calibration system for vehicle engine control unit Download PDFInfo
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- CN203385554U CN203385554U CN201320481901.8U CN201320481901U CN203385554U CN 203385554 U CN203385554 U CN 203385554U CN 201320481901 U CN201320481901 U CN 201320481901U CN 203385554 U CN203385554 U CN 203385554U
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Abstract
The utility model discloses a basic calibration system for a vehicle engine control unit. The basic calibration system comprises a full vehicle rotation hub, a rotation hub control module and a vehicle safety monitoring system. The vehicle safety monitoring system is used for: detecting the tail gas concentration of a vehicle; detecting the temperature of an exhaust manifold, the temperature of an intake manifold, the temperature of a wiring harness, the temperature of cooling water and the temperature of engine oil of an engine; detecting engine rotating speed, vehicle speed and throttle opening size; monitoring whether shimmy and falling and sliding appear in the vehicle; monitoring whether detonation appears in the engine; and sending an emergency stop signal to the rotation hub control module so as to enable the rotation hub control module to control the full vehicle rotation hub to stop working when the above parameters are abnormal or the abnormal phenomenon appears and the abnormity lasts for a pre-set time period. The vehicle safety monitoring system is introduced in the calibration work, so that factors unfavorable for vehicle ECU basic calibration process can be effectively monitored, security is added and meanwhile the accuracy of calibration is improved.
Description
Technical field
The utility model relates to the auto electronic control technology field, relates in particular to a kind of vehicle motor control module basis calibration system.
Background technology
Vehicle motor control module (Engine Control Unit, be called for short ECU) various parameters while gathering the engine operation, calculate best air inflow, ignition advance angle and the distributive value under the work at present state by the program in storer and nominal data, control engine performance best power performance, fuel consumption and emission performance.
Vehicle, in order to obtain best performance, must carry out the actual match demarcation to the running parameter after the engine assembly vehicle, and the nominal data that the ECU storer is calculated can correctly reflect the actual conditions under each operating mode of this vehicle motor.
Owing to needing a large amount of nominal datas in engine operation process, as: the charging efficiency of each operating mode cylinder, basic ignition angle, knock intensity and restriction, catalyst converter high temperature protection, Emission under Steady Operational Condition etc.These data all need to be fixed at the enterprising rower of car load, and along with the engine new technology constantly uses the data volume that needs demarcation also more and more, labour intensity and workload that the car load basis is demarcated all constantly increase.
In prior art, the defect of vehicle ECU basis calibration system is: do not relate to the vehicle safety monitoring system of carrying out security monitoring for vehicle in existing technical scheme, the factor that can not be unfavorable for vehicle ECU basis calibration process to some (for example, internal engine temperature, combustion knock, the shake of vehicle pendulum, tail gas concentration etc.) monitor in real time, thus directly affect vehicle ECU basis calibration process.
The utility model content
The purpose of this utility model is to overcome deficiency of the prior art, and a kind of vehicle motor control module basis calibration system is provided.
For achieving the above object, described vehicle motor control module basis calibration system, comprise that the car load for the operation of the engine with motor vehicle turns hub, turn the hub control module for what control that described car load turns hub operation, the control unit of engine be electrically connected to described engine, and with described control unit of engine, be electrically connected to and the calibrated and calculated machine for control unit of engine is demarcated; Be characterized in, described vehicle motor control module basis calibration system also comprises the vehicle safety monitoring system, and described vehicle safety monitoring system comprises,
The monitoring control module; And the Vehicular exhaust concentration measurement and control module all be electrically connected to described monitoring control module, vehicle temperature monitoring module, the anti-sway shake of vehicle and try to shirk responsibility monitoring module, vehicle safety signal monitoring module and vehicle pinking monitoring module,
Vehicular exhaust concentration measurement and control module, for detection of the tail gas concentration of vehicle; And for when described tail gas concentration surpasses the tail gas concentration limit, to described monitoring control module, sending alerting signal;
The vehicle temperature monitoring module, for detection of exhaust manifold temperature, MAT, wire harness temperature, cooling water temperature and the oil temperature of engine; And send alerting signal to described monitoring control module while for any one when said temperature, surpassing its corresponding temperature limit;
Whether the anti-sway shake of vehicle and the monitoring module of trying to shirk responsibility, the pendulum shake occurs and try to shirk responsibility for monitoring vehicle; And for when vehicle appearance pendulum shakes or tries to shirk responsibility, to described monitoring control module, sending alerting signal;
Vehicle safety signal monitoring module, for detection of engine speed, the speed of a motor vehicle and throttle opening; And send alerting signal to described monitoring control module while for any one when above-mentioned engine speed, the speed of a motor vehicle and throttle opening, surpassing its corresponding limit value; And,
Whether vehicle pinking monitoring module, pinking occurs for monitoring engine; And when appearring in engine, pinking sends alerting signal to described monitoring control module; And,
After described monitoring control module receives the time period of described alerting signal setting, if this alerting signal is not eliminated, described monitoring control module sends emergent stop signal to the described hub control module that turns, and turns the hub control module so that described and controls described car load and turn hub and quit work.
Preferably, the anti-sway shake of described vehicle comprises for detection of vehicle pendulum shake or four limit switches of trying to shirk responsibility whether occurring with the monitoring module of trying to shirk responsibility, and described four limit switches are separately positioned on the Si Jiaochu of vehicle chassis.
Preferably, described vehicle pinking monitoring module comprises the engine knock sensors for detection of the combustion knock signal.
Preferably, described vehicle pinking monitoring module also comprises for described combustion knock signal being amplified to the speaker module of output.
Preferably, the temperature limit of described exhaust manifold temperature is 950 ℃; The temperature limit of described MAT is 80 ℃; The temperature limit of described wire harness temperature is 120 ℃; The temperature limit of described cooling water temperature is 110 ℃; The temperature limit of described oil temperature is 130 ℃.
Preferably, the time period of described setting is 15s.
The beneficial effects of the utility model are, the utility model has been introduced the vehicle safety monitoring system in staking-out work, can effectively monitor be unfavorable for vehicle ECU basis calibration process factor (for example, internal engine temperature, combustion knock, the shake of vehicle pendulum, tail gas concentration etc.), increased the accuracy of demarcating when having increased security.
The accompanying drawing explanation
Fig. 1 shows the functional-block diagram of vehicle motor control module described in the utility model basis calibration system.
Fig. 2 shows the schematic flow sheet of the basic scaling method of vehicle control unit of engine basis calibration system under steady state condition.
Fig. 3 shows the schematic flow sheet of the exhaust emissions scaling method of vehicle control unit of engine basis calibration system under steady state condition.
Embodiment
Below describe embodiment of the present utility model in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Fig. 1 shows the functional-block diagram of vehicle motor control module described in the utility model basis calibration system, as shown in Figure 1, described vehicle motor control module basis calibration system comprises that the car load for engine 3 operations with motor vehicle turns hub 5, turn hub control module 12 for what control that described car load turns hub 5 operation, the control unit of engine 6 be electrically connected to described engine 3, and calibrated and calculated machine 15 that be electrically connected to described control unit of engine 6 and for control unit of engine 6 is demarcated.
Especially, in order effectively to monitor the factor that is unfavorable for vehicle ECU basis calibration process, make those factors can not have influence on the accuracy and efficiency of demarcation, the utility model has been quoted vehicle safety monitoring system 17.
Particularly, with reference to Fig. 1, described vehicle safety monitoring system 17 comprises the monitoring control module, and the Vehicular exhaust concentration measurement and control module 16 all be electrically connected to described monitoring control module, vehicle temperature monitoring module 7, the anti-sway shake of vehicle and try to shirk responsibility monitoring module 8, vehicle safety signal monitoring module and vehicle pinking monitoring module 13.Wherein:
Vehicular exhaust concentration measurement and control module 16, for detection of the tail gas concentration of vehicle; And for when described tail gas concentration surpasses the tail gas concentration limit, to described monitoring control module, sending alerting signal.Here, described Vehicular exhaust concentration measurement and control module 16 comprises tail gas concentration sensor 9.
Vehicle temperature monitoring module 7, for detection of exhaust manifold temperature, MAT, wire harness temperature, cooling water temperature and the oil temperature of engine 3; And send alerting signal to described monitoring control module while for any one when said temperature, surpassing its corresponding temperature limit.Here, the temperature limit of described exhaust manifold temperature is preferably 950 ℃; The temperature limit of described MAT is preferably 80 ℃; The temperature limit of described wire harness temperature is preferably 120 ℃; The temperature limit of described cooling water temperature is preferably 110 ℃; The temperature limit of described oil temperature is preferably 130 ℃.
Whether the anti-sway shake of vehicle and the monitoring module 8 of trying to shirk responsibility, the pendulum shake occurs and try to shirk responsibility for monitoring vehicle; And for when vehicle appearance pendulum shakes or tries to shirk responsibility, to described monitoring control module, sending alerting signal.Here, the anti-sway shake of described vehicle comprises for detection of vehicle pendulum shake or four limit switches of trying to shirk responsibility whether occurring with the monitoring module 8 of trying to shirk responsibility, and described four limit switches are separately positioned on the Si Jiaochu of vehicle chassis.
Vehicle safety signal monitoring module, for detection of engine speed, the speed of a motor vehicle and throttle opening; And send alerting signal to described monitoring control module while for any one when above-mentioned engine speed, the speed of a motor vehicle and throttle opening, surpassing its corresponding limit value.
Whether vehicle pinking monitoring module 13, pinking occurs for monitoring engine 3; And when appearring in engine 3, pinking sends alerting signal to described monitoring control module.Here, the engine knock sensors that described vehicle pinking monitoring module 13 comprises for detection of the detonation signal of engine 3.Further, in order to make the slip-stick artist, understand in real time the pinking situation of engine 3, described vehicle pinking monitoring module 13 preferably also comprises the speaker module of amplifying output for the detonation signal by described engine.
After described monitoring control module receives described alerting signal 15s, if this alerting signal is not eliminated, described monitoring control module sends described emergent stop signal to the described hub control module 12 of turning, and turns hub control module 12 so that described and controls car loads and turn hub 5 and quit work.
Below describe the basic scaling method of vehicle motor control module described in the utility model basis calibration system in detail:
The fundamental purpose that vehicle motor control module basis is demarcated is that the demarcation engine speed is 800 rev/mins, 1200 rev/mins, 1600 rev/mins ... 6400 rev/mins, engine 3 loads are (according to the calibrating parameters difference, load can be in-cylinder pressure, throttle opening, the expression such as admission pressure and exhaust pressure ratio) be 5%, 10%, 15%......100% under the operating mode of lower 15*20=300 the steady state condition point of load, each Operation and control parameter to control unit of engine 6 is demarcated, make the various performance index (dynamic property of vehicle for example of car load, economy, discharge and ilities) meet the requirements.Also to demarcate each performance parameters under different VVT angles for VVT engine 3.
What deserves to be explained is, in the calibration system of described vehicle motor control module basis, execution module (turning hub 5, control unit of engine 6, vehicle temperature monitoring module 7, emission analyzer 2 etc. such as engine 3, car load) all is positioned at environment storehouse 19; Control module (such as turning hub control module 12, calibrated and calculated machine 15, analyser computing machine etc.) all is positioned at pulpit 18.
Fig. 2 shows the schematic flow sheet of the basic scaling method of vehicle control unit of engine basis calibration system under steady state condition, and as shown in Figure 2, described basic scaling method comprises the following steps:
(1) vehicle is fixed on car load and turns on hub 5, connects the detonation sensor signal to speaker module; The control unit of engine 6 of changing vehicle motor 3 is developing ECU, and makes it to be connected with calibrated and calculated machine 15; Vehicle temperature monitoring module 7 is connected with calibrated and calculated machine 15, and configures calibrating parameters and variable;
(2) car load is turned to hub 5 and be set to constant speed mode;
(3) operational vehicle, control by turning hub control module 12 running speed that car load turns hub 5, and then by the rotating speed of vehicle transmission system control engine 3, so that the turn up of engine 3 is to the engine speed of expectation;
(4) load value that the load of control engine 3 needs to the expectation calibrating parameters;
(5) demarcate under this operating mode the Operation and control parameter of control unit of engine 6;
(6) whether the Operation and control parameter of judging the control unit of engine 6 of current working point has all demarcated, if demarcated, change the load of engine 3, thus under the engine speed of above-mentioned expectation to other load point corresponding Operation and control parameter demarcated;
(7) judge whether each Operation and control parameter has demarcated under the engine speed of current described expectation, if demarcated, regulating rotary hub control module 12, make engine speed reach the next rotating speed point of demarcating that needs;
(8) whether each calibrating parameters that judges all engine speed and load point all completes, if complete, car load ECU basis has been demarcated.
Below describe the exhaust emissions scaling method of vehicle motor control module described in the utility model basis calibration system in detail:
Under the environmental protection overall background, the more and more important of changes persuing wanted in emission from vehicles; according to GB18352-2005 rules and regulations emissions profile operating mode; calibrating parameters makes the exhaust emissions of vehicle under vehicle 15km/h, 32km/h, 50km/h, 70km/h, 100km/h and 120km/h stable state driving cycle; make the catalyst converter transformation efficiency reach the highest, CO, HC and NOX pollutant discharge amount minimum.
Fig. 3 shows the schematic flow sheet of the exhaust emissions scaling method of vehicle control unit of engine basis calibration system under steady state condition, and as shown in Figure 3, the exhaust emissions scaling method of described vehicle motor control module basis calibration system comprises the following steps:
(1) vehicle is fixed on car load and turns on hub 5, connects emission analyzer 2, before gathering catalyst converter and the tail gas after catalyst converter, utilizes analyser computing machine 11 to analyze the exhaust gas component at these two places; Simultaneously, the control unit of engine 6 of changing vehicle motor 3 is developing ECU, and makes it to be connected with calibrated and calculated machine 15; Vehicle temperature monitoring module 7 is connected with calibrated and calculated machine 15, and configures calibrating parameters and variable;
(2) car load is turned to hub 5 and be set to the road loading mode, require to load resistance coefficient;
(3) gear according to the GB18352-2005 laws and regulations requirement arranges gear, operational vehicle;
(4) adjust the speed of a motor vehicle of vehicle;
(5) by checking the analysis result that emission analyzer 2 is measured in real time and calculating transformation efficiency, adjust the nominal data of engine 3, make the transformation efficiency of catalyst converter the highest;
(6), if the exhaust emissions of vehicle meets the requirements under this speed of a motor vehicle point, through overregulating, make vehicle operating on other speed of a motor vehicle point;
(7) adopt said method in step (4)～(6), the emission from vehicles of having demarcated 15km/h, 32km/h, 50km/h, 70km/h, 100km/h and 120km/h speed of a motor vehicle point, make the exhaust emissions of vehicle minimum.
Embodiment shown in above foundation is graphic describes structure of the present utility model, feature and action effect in detail; the foregoing is only preferred embodiment of the present utility model; but the utility model does not limit practical range with shown in drawing; every change of doing according to conception of the present utility model; or be revised as the equivalent embodiment of equivalent variations; when not exceeding yet instructions and illustrating contain spiritual, all should be in protection domain of the present utility model.
Claims (6)
1. vehicle motor control module basis calibration system, comprise that the car load for the operation of the engine with motor vehicle turns hub, turn the hub control module for what control that described car load turns hub operation, the control unit of engine be electrically connected to described engine, and with described control unit of engine, be electrically connected to and the calibrated and calculated machine for control unit of engine is demarcated; It is characterized in that: described vehicle motor control module basis calibration system also comprises the vehicle safety monitoring system, and described vehicle safety monitoring system comprises,
The monitoring control module; And the Vehicular exhaust concentration measurement and control module all be electrically connected to described monitoring control module, vehicle temperature monitoring module, the anti-sway shake of vehicle and try to shirk responsibility monitoring module, vehicle safety signal monitoring module and vehicle pinking monitoring module,
Described Vehicular exhaust concentration measurement and control module, for detection of the tail gas concentration of vehicle; And for when described tail gas concentration surpasses the tail gas concentration limit, to described monitoring control module, sending alerting signal;
Described vehicle temperature monitoring module, for detection of exhaust manifold temperature, MAT, wire harness temperature, cooling water temperature and the oil temperature of engine; And send alerting signal to described monitoring control module while for any one when said temperature, surpassing its corresponding temperature limit;
Whether the anti-sway shake of described vehicle and the monitoring module of trying to shirk responsibility, the pendulum shake occurs and try to shirk responsibility for monitoring vehicle; And for when vehicle appearance pendulum shakes or tries to shirk responsibility, to described monitoring control module, sending alerting signal;
Described vehicle safety signal monitoring module, for detection of engine speed, the speed of a motor vehicle and throttle opening; And send alerting signal to described monitoring control module while for any one when above-mentioned engine speed, the speed of a motor vehicle and throttle opening, surpassing its corresponding limit value;
Whether described vehicle pinking monitoring module, pinking occurs for monitoring engine; And when appearring in engine, pinking sends alerting signal to described monitoring control module; And,
After described monitoring control module receives the time period of described alerting signal setting, if this alerting signal is not eliminated, described monitoring control module sends emergent stop signal to the described hub control module that turns, and turns the hub control module so that described and controls described car load and turn hub and quit work.
2. vehicle motor control module according to claim 1 basis calibration system, it is characterized in that: the anti-sway shake of described vehicle comprises for detection of vehicle pendulum shake or four limit switches of trying to shirk responsibility whether occurring with the monitoring module of trying to shirk responsibility, and described four limit switches are separately positioned on the Si Jiaochu of vehicle chassis.
3. vehicle motor control module according to claim 1 basis calibration system, it is characterized in that: described vehicle pinking monitoring module comprises the engine knock sensors for detection of the combustion knock signal.
4. vehicle motor control module according to claim 3 basis calibration system, it is characterized in that: described vehicle pinking monitoring module also comprises for described combustion knock signal being amplified to the speaker module of output.
5. vehicle motor control module according to claim 1 basis calibration system, it is characterized in that: the temperature limit of described exhaust manifold temperature is 950 ℃; The temperature limit of described MAT is 80 ℃; The temperature limit of described wire harness temperature is 120 ℃; The temperature limit of described cooling water temperature is 110 ℃; The temperature limit of described oil temperature is 130 ℃.
6. vehicle motor control module according to claim 1 basis calibration system, it is characterized in that: the time period of described setting is 15s.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107702923A (en) * | 2017-09-07 | 2018-02-16 | 清华大学 | A kind of engine is to mapping test system and application method |
| GB2555617A (en) * | 2016-11-04 | 2018-05-09 | Jaguar Land Rover Ltd | Calibration system and method |
| CN110300041A (en) * | 2019-07-01 | 2019-10-01 | 重庆海德世拉索系统（集团）有限公司 | Cloud-based remote maintenance method for automobile electronic control unit |
| CN114625107A (en) * | 2022-03-15 | 2022-06-14 | 上海和夏骏智科技有限公司 | Automatic ECU calibration method and system based on STARS measurement and control system |
| CN115199388A (en) * | 2021-04-08 | 2022-10-18 | 北汽福田汽车股份有限公司 | Method and device for detecting catalytic conversion efficiency of vehicle catalyst and vehicle |
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2013
- 2013-08-08 CN CN201320481901.8U patent/CN203385554U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2555617A (en) * | 2016-11-04 | 2018-05-09 | Jaguar Land Rover Ltd | Calibration system and method |
| WO2018082884A1 (en) * | 2016-11-04 | 2018-05-11 | Jaguar Land Rover Limited | Calibration system and method |
| GB2555617B (en) * | 2016-11-04 | 2019-09-18 | Jaguar Land Rover Ltd | Calibration system and method |
| CN107702923A (en) * | 2017-09-07 | 2018-02-16 | 清华大学 | A kind of engine is to mapping test system and application method |
| CN110300041A (en) * | 2019-07-01 | 2019-10-01 | 重庆海德世拉索系统（集团）有限公司 | Cloud-based remote maintenance method for automobile electronic control unit |
| CN110300041B (en) * | 2019-07-01 | 2022-05-13 | 重庆海德世拉索系统（集团）有限公司 | Cloud-based remote maintenance method for automobile electronic control unit |
| CN115199388A (en) * | 2021-04-08 | 2022-10-18 | 北汽福田汽车股份有限公司 | Method and device for detecting catalytic conversion efficiency of vehicle catalyst and vehicle |
| CN115199388B (en) * | 2021-04-08 | 2023-09-12 | 北汽福田汽车股份有限公司 | Method and device for detecting catalytic conversion efficiency of vehicle catalyst and vehicle |
| CN114625107A (en) * | 2022-03-15 | 2022-06-14 | 上海和夏骏智科技有限公司 | Automatic ECU calibration method and system based on STARS measurement and control system |
| CN114625107B (en) * | 2022-03-15 | 2024-05-28 | 上海和夏骏智科技有限公司 | Automatic ECU calibration method and system based on STARS measurement and control system |
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Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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