CN105182237A - Electronics comprehensive experiment apparatus for automobile engine - Google Patents

Electronics comprehensive experiment apparatus for automobile engine Download PDF

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Publication number
CN105182237A
CN105182237A CN201510598529.2A CN201510598529A CN105182237A CN 105182237 A CN105182237 A CN 105182237A CN 201510598529 A CN201510598529 A CN 201510598529A CN 105182237 A CN105182237 A CN 105182237A
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China
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electronic
engine
testing
transmission shaft
starter motor
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CN201510598529.2A
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CN105182237B (en
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曹志良
余海洋
王敬
刘绍波
毛国军
余国祥
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Chongqing University
Chongqing Technology and Business Institute
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Chongqing Technology and Business Institute
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Abstract

The invention discloses an electronics comprehensive experiment apparatus for an automobile engine. The electronics comprehensive experiment apparatus for an automobile engine comprises a high and low temperature environment case, a generator experiment unit, a starting motor experiment unit, an engine electronic control system experiment unit, a measurement and control unit and a class fuel tank. The electronics comprehensive experiment apparatus for an automobile engine is simple in structure and is convenient and practical, and can be used for performing endurance examination and high and low temperature impact test examination for a single electronic part of an automobile engine during the automobile research and development process, and can also be used for examining the operating condition of the electronics system of the automobile engine, and at the same time can be used for detecting the quality of parts of electronic products during the production process.

Description

A kind of car engine electronic electrical equipment comprehensive experimental device
Technical field
The present invention relates to a kind of car engine electronic electrical equipment comprehensive experimental device.
Background technology
Motor car engine primary electron electrical component is aided with fuel delivery pipeline again by electronic apparatus parts such as generator, starter motor, engine wiring harness, temperature sensor, pressure transducer, position/jaw opening sensor, concentration sensor and speed probe and ignition coil, fuel injector, gas handling system actuator and fuel pumps and forms.
The quality of automotive electronics electric component performance is the key factor affecting car load serviceability.
As the supplier of auto electronics, all various experimental evaluation can be carried out to the electric equipment products that oneself is produced independently.
But, the electromechanical integrated product that automobile is formed as multiple system unit, co-ordination between each parts and system seems particularly important, therefore, in car load research and development, production run, the supplier of automotive electronics, electric equipment products, various experimental evaluation is carried out to the electric equipment products that oneself is produced independently in capital, such as to the examination of the permanance of single car engine electronic electric component or high and low temperature impact test examination, to the electric equipment products part quality inspection in the examination of car engine electronic electric system working condition and production run.These examinations or detect are carried out all separately, all have ignored the impact each other of electric equipment products parts, and the situation therefore in examination or testing result and actual motion is larger apart.
In addition, these checking systems or checking system only possess the function of wherein a test examination or quality inspection, when needs are examined car engine electronic electrical equipment or are checked, checking system or the checking system that must purchase correspondence just can carry out examining or detecting, and cost is high and utilization factor is low.
Summary of the invention
The invention is intended to provide a kind of car engine electronic electrical equipment comprehensive experimental device, both can be used in automobile R&D process the permanance examination of single car engine electronic electric component and high and low temperature impact test examination, also can be used for examining car engine electronic electric system working condition, meanwhile, also can be used for the electric equipment products part quality inspection in production run.
Patent formula: a kind of car engine electronic electrical equipment comprehensive experimental device in this programme, is formed primarily of high and low temperature environment case, system for testing automobile alternating current generator, starter motor test macro, electronic engine management system simulated testing system, class A fuel A feedway;
High and low temperature environment case, completes temperature cycles voluntarily by Single-chip Controlling and controls, for the test of automotive electronics electrical component provides experimental enviroment;
System for testing automobile alternating current generator, the transmission shaft comprise motor driver, fixing with motor driver rotating shaft, the belt pulley fixing with transmission shaft;
Electronic engine management system simulated testing system, comprise engine electronic control, sensor, actuator, sensor signal display device and TT&C system, being interconnected between engine electronic control, sensor, actuator is realized by engine wiring harness; TT&C system adopts OBD or CAN technology to realize to electronic engine management system data acquisition;
Starter motor test macro, the transmission shaft comprise motor driver, fixing with motor driver rotating shaft, flywheel, torque sensor, engine speed sensor, the flywheel signal gear ring fixing with transmission shaft, the torque of starter motor is controlled by the rotating speed controlling motor driver by TT&C system;
Class A fuel A feedway, comprises class A fuel A case and class A fuel A feeding pipe, for electronic engine management system simulated testing system provides class A fuel A material;
Wherein, TT&C system, comprises and being made up of electrical control gear, Industrial Control Computer PLC and computing machine, and electrical control gear is mainly the power supply that test-bed provides needs; Industrial Control Computer PLC and computing machine mainly realize to system for testing automobile alternating current generator, starter motor test macro and electronic engine management system simulated testing system export data and signal gather and analyze;
Motor driver is servomotor.
The performance (defeated fast characteristic, torque rotary speed, power characteristic) of the starter motor in the present invention is undertaken gathering by TT&C system and simulates corresponding family curve.The performance (output characteristics, no-load speed or zero amp frequency, maximum current) of AC generator for vehicle and output current are undertaken gathering by TT&C system and simulate corresponding family curve.
Starter motor test macro in the present invention can be tested starter motor, and system for testing automobile alternating current generator can be tested engine, electronic engine management system simulated testing system then can simulated automotive Motronic control maps electric system duty detecting, therefore the present invention both can be used in automobile R&D process the permanance examination of single car engine electronic electric component and high and low temperature impact test examination, also can be used for examining car engine electronic electric system working condition, simultaneously, also can be used for the electric equipment products part quality inspection in production run.
Under the present invention is intended to the prerequisite of car engine electronic electric system work, Motronic control maps electric system and parts monomer thereof are carried out to inspection and the permanance examination of operating characteristic.Under prior art state, all only individuality is examined.Such as high/low temperature examination in 96 hours is carried out to engine wiring harness, but in whole process, wire harness itself does not participate in work.And this experimental provision, when testing, all parts are all in running order.Its output parameter has measurement and control unit collection.The working power of sensor, actuator, controller is provided by measurement and control unit, and the fuel in test process adopts class fuel oil material.The running parameter of electronic apparatus various parts will be passed to data acquisition unit (also can consider to adopt the mode of automobile-used CAN line or K line) by respective detection oral instructions, gathered by measurement and control unit by diagnostics port.
Further, electronic engine management system simulated testing system, starter motor test macro and system for testing automobile alternating current generator share servomotor, a transmission shaft; Enormously simplify structure, improve utilization factor, provide cost savings.
Further, connected by shaft coupling between transmission shaft with servomotor; Installing/dismounting is simple.
Further, the drive unit of starter motor and AC generator for vehicle is connected by shaft coupling with between transmission shaft; Installing/dismounting is simple.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the embodiment of the present invention;
Fig. 2 is system for testing automobile alternating current generator structural representation;
Fig. 3 is starter motor test system structure schematic diagram;
Fig. 4 is electronic engine management system simulation test block diagram;
Fig. 5 is the logic diagram of Fig. 2;
Fig. 6 is the logic diagram of Fig. 3.
Accompanying drawing illustrates: output shaft 1, motor driver 2, transmission shaft 3, high and low temperature environment case 4, shaft coupling 5, AC generator for vehicle 6, belt pulley 7, torque sensor 8, flywheel 9, starter motor 10, speed probe 11.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Embodiment is substantially as shown in Figures 1 to 6:
Car engine electronic electrical equipment comprehensive experimental device in this programme, major motor drive unit, high and low temperature environment case, shaft drive, system for testing automobile alternating current generator, starter motor test macro, electronic engine management system simulated testing system, TT&C system, class A fuel A feedway are formed;
Motor driver is a multifunctional servo motor.When utilizing system for testing automobile alternating current generator and electronic engine management system simulated testing system tests, this motor driver is a driving force motor, and main AC generator for vehicle and the flywheel of driving rotates; When utilizing starter motor test macro to test, this electric machinery is a dynamometer machine seemingly, by the torque sensor in this motor and through-drive, and the performance of test starting motor.
High and low temperature environment case, completes temperature cycles voluntarily by Single-chip Controlling and controls (can realize the alternately change of ﹣ 40 DEG C ~ 150 DEG C temperature), for the test of automotive electronics electrical component provides experimental enviroment;
Shaft drive, this device realizes the connection of motor driver output shaft and test unit power transmission shaft mainly through shaft coupling.
System for testing automobile alternating current generator, comprises motor driver, transmission shaft, the belt pulley fixing with transmission shaft forms.The rotating speed of AC generator for vehicle is controlled by the rotating speed controlling motor driver by TT&C system.The performance (output characteristics, no-load speed or zero amp frequency, maximum current) of AC generator for vehicle and output current are undertaken gathering by TT&C system and simulate corresponding family curve.
Starter motor test macro, comprises motor driver, transmission shaft, flywheel, engine speed sensor, the flywheel signal gear ring fixing with transmission shaft.The torque of starter motor is controlled by the rotating speed controlling motor driver by TT&C system.The performance (defeated fast characteristic, torque rotary speed, power characteristic) of starter motor is undertaken gathering by TT&C system and simulates corresponding family curve.
Electronic engine management system simulated testing system, comprise engine electronic control, sensor, actuator, sensor signal display device and TT&C system, being interconnected between engine electronic control, sensor, actuator is realized by engine wiring harness.TT&C system adopts OBD or CAN technology to realize to electronic engine management system data acquisition.
TT&C system, comprises and being made up of electrical control gear, Industrial Control Computer PLC and computing machine, and electrical control gear is mainly the power supply that test-bed provides needs; Industrial Control Computer PLC and computing machine mainly realize to system for testing automobile alternating current generator, starter motor test macro and electronic engine management system simulated testing system export data and signal gather and analyze.
Class A fuel A feedway, mainly contains class A fuel A case and class A fuel A feeding pipe is formed.For electronic engine management system simulated testing system provides class A fuel A material.
The original papers such as starter motor, speed probe, AC generator for vehicle and all the other Motronic control maps electrical components, can, according to the version of original paper and relative position relation, adopt corresponding tooling bracket to be installed on high-low temperature chamber inside.
System for testing automobile alternating current generator and starter motor test macro drive motor used adopt same servomotor (or similar motor).The work of servomotor is controlled by measurement and control unit and gathers the running parameter of servomotor.
Servomotor is (these two experiments itself are complete independentlies) that work alone when Automobile Alternator Performance test and starter motor performance test.
During performance (output characteristics, no-load speed or zero amp frequency, the maximum current) of testing automobile alternator, servomotor is a motor, and driving automobile alternator runs.Control servomotor rotating speed by TT&C system, thus realize the control to generator speed.The output performance of AC generator for vehicle is undertaken testing by TT&C system and simulates following curve.This experimental provision can set temperature as required, carries out the Automobile Alternator Performance test under temperature shock condition.
During performance (defeated fast characteristic, torque rotary speed, the power current) of test starting motor, servomotor is class dynamometer machine, for the rotating speed of test starting motor, torque and power stage state.Servomotor is controlled by TT&C system, thus realizes the collection of the large characterisitic parameter of starter motor three and tested by TT&C system and simulate curve map.This experiment can set temperature as required, carries out the engine performance test under temperature shock condition.
Starter motor repeated priming is tested.In process of the test, TT&C system controls the working condition of starter motor, and whether the moment that the Speed of Reaction Wheels recorded by speed probe and torque sensor are recorded judges to start successfully and add up the number of starts.This experiment can carry out the test of the startability of low temperature (-40 DEG C) simultaneously to starter motor.
Electronic engine management system simulated testing system.Under this experiment is intended to the prerequisite of car engine electronic electric system work, Motronic control maps electric system and parts monomer thereof are carried out to inspection and the permanance examination of operating characteristic.Under prior art state, all only individuality is examined.Such as high/low temperature examination in 96 hours is carried out to engine wiring harness, but in whole process, wire harness itself does not participate in work.And this experimental provision, when testing, all parts are all in running order.Its output parameter has measurement and control unit collection.
In test, the working power of sensor, actuator and the controllers such as active speed probe, camshaft phase sensor, air inflow detecting sensor, throttle position sensor and lambda sensor is provided by TT&C system, and the fuel in test process adopts class fuel oil material.The running parameter of electronic apparatus various parts will be undertaken gathering by TT&C system and the computing machine exported (also can consider to adopt the mode of automobile-used CAN line or K line, be gathered by diagnostics port by measurement and control unit).
Electronic engine management system simulated testing system, starter motor test macro and system for testing automobile alternating current generator share servomotor, a transmission shaft; Enormously simplify structure, improve utilization factor, provide cost savings.
In Fig. 1:
1, flywheel mounting tool, belt pulley mounting tool, can be different according to the version of different engine, require the relative drive connection requirement with each original paper to meet corresponding installation physical dimension
2, the original paper such as starter motor, crankshaft position sensor and alternator, can, according to the version of original paper and relative position relation, adopt corresponding tooling bracket to be installed on high-low temperature chamber inside
3, in figure, solid line represents electric power transfer route, and dot-and-dash line represents data transmission route line.
In Fig. 2:
1, belt pulley mounting tool, can be different according to the version of different engine, to meet the requirement of corresponding installation physical dimension.
2, AC generator for vehicle can, according to its version and relative position relation, adopt corresponding tooling bracket to be installed on high-low temperature chamber inside.
3, in figure, solid line represents mechanical power transmission route, and dot-and-dash line represents signal data transmission route.
In Fig. 3:
1, flywheel mounting tool can be different according to the version of different engine, require the relative drive connection requirement with each original paper to meet corresponding installation physical dimension
2, the original paper such as starter motor, crankshaft position sensor, can, according to the version of original paper and relative position relation, adopt corresponding tooling bracket to be installed on high-low temperature chamber inside
3, in figure, solid line represents electric power transfer route, and dot-and-dash line represents data transmission route line.
In Fig. 4-6:
Solid line represents mechanical power transmission route, and dot-and-dash line represents Signal transmissions route, and dotted line is electromagnetic transfer circuit.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the embodiment in instructions etc. record the content that may be used for explaining claim.

Claims (4)

1. a car engine electronic electrical equipment comprehensive experimental device, is characterized in that,
Form primarily of high and low temperature environment case, system for testing automobile alternating current generator, starter motor test macro, electronic engine management system simulated testing system, class A fuel A feedway; High and low temperature environment case, completes temperature cycles voluntarily by Single-chip Controlling and controls, for the test of automotive electronics electrical component provides experimental enviroment; System for testing automobile alternating current generator, the transmission shaft comprise motor driver, fixing with motor driver rotating shaft, the belt pulley fixing with transmission shaft; Electronic engine management system simulated testing system, comprise engine electronic control, sensor, actuator, sensor signal display device and TT&C system, being interconnected between engine electronic control, sensor, actuator is realized by engine wiring harness; TT&C system adopts OBD or CAN technology to realize to electronic engine management system data acquisition; Starter motor test macro, the transmission shaft comprise motor driver, fixing with motor driver rotating shaft, flywheel, torque sensor, engine speed sensor, the flywheel signal gear ring fixing with transmission shaft, the torque of starter motor is controlled by the rotating speed controlling motor driver by TT&C system; Class A fuel A feedway, comprises class A fuel A case and class A fuel A feeding pipe, for electronic engine management system simulated testing system provides class A fuel A material; Wherein, TT&C system, comprises and being made up of electrical control gear, Industrial Control Computer PLC and computing machine, and electrical control gear is mainly the power supply that test-bed provides needs; Industrial Control Computer PLC and computing machine mainly realize to system for testing automobile alternating current generator, starter motor test macro and electronic engine management system simulated testing system export data and signal gather and analyze; Motor driver is servomotor.
2. a kind of car engine electronic electrical equipment comprehensive experimental device according to claim 1, it is characterized in that, electronic engine management system simulated testing system, starter motor test macro and system for testing automobile alternating current generator share servomotor, a transmission shaft.
3. a kind of car engine electronic electrical equipment comprehensive experimental device according to claim 1, be is characterized in that, connected between transmission shaft with servomotor by shaft coupling.
4. a kind of car engine electronic electrical equipment comprehensive experimental device according to claim 1, it is characterized in that, the drive unit of starter motor and AC generator for vehicle is connected by shaft coupling with between transmission shaft.
CN201510598529.2A 2015-09-18 2015-09-18 A kind of car engine electronic electrical equipment comprehensive experimental device Active CN105182237B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105510828A (en) * 2016-01-20 2016-04-20 重庆工商职业学院 Automobile starting system durability test device and use method thereof
CN106324500A (en) * 2016-08-03 2017-01-11 成都华川电装有限责任公司 Electric motor durability testing device
CN110887518A (en) * 2018-09-11 2020-03-17 广州汽车集团股份有限公司 Test method of combination instrument

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CN204286793U (en) * 2014-12-18 2015-04-22 湖北三江航天红阳机电有限公司 A kind of engine test positioner
CN204461752U (en) * 2015-02-15 2015-07-08 中国重汽集团济南动力有限公司 A kind of on-board engine test macro
CN205038315U (en) * 2015-09-18 2016-02-17 重庆工商职业学院 Automobile engine electronic apparatus comprehensive experiment device

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CN104280242A (en) * 2013-07-01 2015-01-14 现代自动车株式会社 Engine test device
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105510828A (en) * 2016-01-20 2016-04-20 重庆工商职业学院 Automobile starting system durability test device and use method thereof
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CN110887518A (en) * 2018-09-11 2020-03-17 广州汽车集团股份有限公司 Test method of combination instrument

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