CN204405336U - Hybrid electric vehicle complete vehicle simulation table - Google Patents

Hybrid electric vehicle complete vehicle simulation table Download PDF

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Publication number
CN204405336U
CN204405336U CN201420835547.9U CN201420835547U CN204405336U CN 204405336 U CN204405336 U CN 204405336U CN 201420835547 U CN201420835547 U CN 201420835547U CN 204405336 U CN204405336 U CN 204405336U
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engine
testing
hybrid electric
motor
electric vehicle
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CN201420835547.9U
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张龙聪
周之光
刘信奎
潘海涛
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Weichai Power Co Ltd
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Weichai Power Co Ltd
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Abstract

The utility model relates to a kind of hybrid electric vehicle complete vehicle simulation table, it comprises testing table, control desk, power assembly erecting bed, testing table is provided with the back axle and propons that are connected with the outputting axial power of variator, the both sides of back axle and the both sides of propons are respectively connected two dynamometer machines by semiaxis, respectively install a torque sensor between engine and clutch coupling and between motor and variator; Described testing table is also installed the fuel supply system that is connected with engine to unify air inlet system and exhaust system, between fuel oil supply system and engine, fuel consumption meter is installed, mounting temperature sensor and pressure transducer between air inlet system and exhaust system and engine.Control desk is provided with gas pedal, brake pedal and gear shifting handle.The utility model can environment that is virtually reality like reality, carries out properties test to hybrid vehicle, and structure is simple, and manipulation is convenient, and test findings is reliable and stable.

Description

Hybrid electric vehicle complete vehicle simulation table
Technical field
The utility model relates to motor vehicle driven by mixed power performance test field, specifically a kind of hybrid electric vehicle complete vehicle simulation table.
Background technology
Hybrid vehicle adopts different-energy conversion equipment as hybrid power source, has become one of vehicle solving environmental pollution and energy shortage most market potential.In the performance history of hybrid power assembly, need to carry out debugging, demarcating and properties simulation test, the reliability and feasibility of access control strategy and control algolithm, thus reliable test figure is provided.Obviously, on car load, directly debugging and test are subject to the factor impacts such as space, road, weather, there is certain potential safety hazard, and car load is debugged and demarcation required time is long, and workload is very large.
Hybrid vehicle is a complicated system, the research and development of hybrid power system need to solve a lot of technical matters, the design of such as parameter matching, driven by power, energy storing device and energy management system, power drive system and whole-control system etc., the parameter matching of hybrid electric vehicle complete vehicle and kinematic train is the parameter rationally determining all parts in hybrid power assembly, be a multiobject optimization design problem of multivariate, it will directly have influence on dynamic property and the economy of car load.
In hybrid vehicle R&D process, in general first developer adopts simulated program to simulate control strategy undetermined, then more feasible control strategy is applied in actual control system by comparative analysis.Research method common at present sets up a virtual development environment (such as hardware in loop) by software simulation technique, carries out the computing of being correlated with and checking by emulation technology.But often differ greatly than real vehicle data by emulating the data drawn, the confidence level of simulation result is not high.Further checking needs real experimental enviroment, there is Bench Test System at present, but, existing Bench Test System only can meet the power assembly test of conventional truck, based on the singularity of hybrid vehicle, to the special test of hybrid power assembly, such as Brake energy recovery, torque distribution, engine start and stop, parking charging etc. test, existing Bench Test System can not meet experimental technique condition, also cannot carry out.
Based on this, build a kind of car load simulation table and can realize debugging to single-axle parallel hybrid assembly control module, demarcation and properties test, access control strategy and control algolithm, authentic experiments data are provided, significantly can reduce time and the workload of complete vehicle test and demarcation, reduce the risk and cost quickening product development process that complete vehicle test brings, optimizing product performance.The performance test of each key components and parts can also be carried out, achieve many things at one stroke, significantly reduce R&D costs and shorten the R&D cycle.
Utility model content
The technical problems to be solved in the utility model is to provide and a kind ofly can realizes debugging single-axle parallel hybrid assembly, demarcates and performance test and the hybrid electric vehicle complete vehicle simulation table that one-piece construction is simple, manipulation is convenient, test effect is good.
For solving the problems of the technologies described above, hybrid electric vehicle complete vehicle simulation table of the present utility model comprises testing table, its design feature is that the front portion of testing table is provided with control desk, rear portion is provided with the power assembly erecting bed for installing single-axle parallel hybrid assembly, single-axle parallel hybrid assembly comprises engine, clutch coupling, motor and variator and control unit of engine, motor control unit and transmission control unit, testing table is provided with the back axle and propons that are connected with the outputting axial power of variator, the both sides of back axle and the both sides of propons are respectively connected two dynamometer machines by semiaxis, respectively a torque sensor is installed between engine and clutch coupling and between motor and variator, described testing table is also installed the fuel supply system that is connected with engine to unify air inlet system and exhaust system, between fuel oil supply system and engine, fuel consumption meter is installed, mounting temperature sensor and pressure transducer between air inlet system and exhaust system and engine, above-mentioned dynamometer machine, torque sensor, fuel consumption meter, temperature sensor and pressure transducer are all electrically connected with control desk, precharge box testing table being provided with electrokinetic cell, battery management system, the high-tension distribution box be electrically connected with electrokinetic cell and being connected electrically on high-tension distribution box, precharge box is electrically connected with motor, testing table is provided with the entire car controller be electrically connected with control unit of engine, motor control unit, transmission control unit and battery management system, entire car controller is electrically connected with control desk, control desk is provided with gas pedal, brake pedal and gear shifting handle.
Described control desk is also provided with the fourth gear car key switch and panel board with Start shelves, On shelves, Acc shelves and Off shelves.
Described air inlet system and exhaust system comprise the air cleaner be connected on engine charge pipeline, be arranged on SCR aftertreatment case in Engine exhaust pipeline and sound suppressor.
That the described exhaust pipe of engine is connected with venting test device.
Described venting test device is opacity smoke meter.
Described testing table is also provided with the pressed gas feed system be connected by gas piping with clutch coupling and variator.
Described testing table is also provided with the cooling system be connected with engine and motor.
Adopt said structure, fuel consumption meter can the fuel consumption of recording engine; Torque sensor, can issue control desk by real-time for the output torque of engine, motor, for verifying the accuracy of power source demand torque and actual output torque; Four common load sharings of dynamometer machine, well avoid because the excessive and single dynamometer machine of road resistance cannot provide the predicament of resistance completely; Have correlate meter in control desk, instrument shows all data values of signal on data acquisition system (DAS) and can line, testing crew carries out relevant setting and monitoring wherein, completes corresponding content of the test; Gas pedal is connected on the corresponding stitch of ECU by wire harness, and when gas pedal is operated or lift, ECU can resolve the opening amount signal of throttle by the change of the sensor voltage signal in gas pedal; Brake pedal is connected on ECU by wire harness, and when brake pedal is operated or lifts, ECU can resolve the intention of driver's brake by the change of the sensor voltage signal in brake pedal; Shift handle is connected on TCU by wire harness, and shift handle is when diverse location, and TCU can collect different voltage signals and resolve, and obtains different gear demands.
The utility model tool has the following advantages:
1) experimenter can carry out the driving of simulating car load by pin accelerator pedal, while observe the speed of a motor vehicle in instrument, while handle throttle and brake pedal, gear shift is carried out by operation shift handle, carry out the dynamic following of operating mode, what stand TT&C system also can be utilized to arrange operating mode follows operation simultaneously automatically, can simulate car load very truly and travel;
2) testing table has four dynamometer machines and can independently control, use four dynamometer machines can well simulating vehicle trailing wheel Two axle drive, torque distribution shared by four dynamometer machines simultaneously, area requirement dynamometer machine being measured to moment of torsion reduces, and avoids because of the very little predicament of power assembly output torque excessive and single dynamometer torque measurement range;
3) can realize carrying out monitor and forecast to whole experimental bench system by control desk, just can to power assembly height piezoelectricity up and down by operation car load ignition switch at control desk, easy-to-operate;
4) utilize the utility model can carry out every test of motor vehicle driven by mixed power, multiple functional, test figure is reliable.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model.
Embodiment
With reference to accompanying drawing, hybrid electric vehicle complete vehicle simulation table of the present utility model comprises testing table 1, the front portion of testing table 1 is provided with control desk 2, rear portion is provided with the power assembly erecting bed 3 for installing single-axle parallel hybrid assembly, single-axle parallel hybrid assembly comprises engine 4, clutch coupling 5, motor 6 and variator 7 and control unit of engine 8, motor control unit 9 and transmission control unit 10, testing table 1 is provided with the back axle 11 and propons 12 that are connected with the outputting axial power of variator 7, the both sides of back axle 11 are respectively connected two dynamometer machines 13 by semiaxis with the both sides of propons 12, respectively a torque sensor 14 is installed between engine 4 and clutch coupling 5 and between motor 6 and variator 7, described testing table 1 also installs the fuel oil supply system 15 be connected with engine 4 and air inlet system and exhaust system 16, fuel consumption meter 32 is installed between fuel oil supply system 15 and engine 4, mounting temperature sensor 17 and pressure transducer 18 between air inlet system and exhaust system 16 and engine 4, above-mentioned dynamometer machine 13, torque sensor 14, fuel consumption meter 32, temperature sensor 17 and pressure transducer 18 are all electrically connected with control desk 2, the precharge box 22 testing table 1 being provided with electrokinetic cell 19, battery management system 20, the high-tension distribution box 21 be electrically connected with electrokinetic cell 19 and being connected electrically on high-tension distribution box 21, precharge box 22 is electrically connected with motor 6, testing table 1 is provided with the entire car controller 23 be electrically connected with control unit of engine 8, motor control unit 9, transmission control unit 10 and battery management system 20, entire car controller 23 is electrically connected with control desk 2, control desk 2 is provided with gas pedal 24, brake pedal 25 and gear shifting handle 26.Control desk 2 is also provided with the fourth gear car key switch 27 and panel board 28 with Start shelves, On shelves, Acc shelves and Off shelves.Air inlet system and exhaust system 16 comprise the air cleaner 161 be connected on engine charge pipeline, be arranged on SCR aftertreatment case 162 in Engine exhaust pipeline and sound suppressor 163.The exhaust pipe of engine is connected with venting test device 29.Venting test device 29 is opacity smoke meter.
With reference to accompanying drawing, testing table 1 is also provided with the pressed gas feed system 30 be connected by gas piping with clutch coupling 5 and variator 7.The topworks of clutch coupling and variator all adopts pneumatic, by cylinder and solenoid control.
With reference to accompanying drawing, testing table 1 is also provided with the cooling system 31 be connected with engine 4 and motor 6.Cooling system 31 is for giving engine and electric motor temperature reduction, and it comprises cooling water pipeline, cooling-water pump, cooling water valve and charge air cooler etc.
With reference to accompanying drawing, fuel consumption meter 32 is for the instantaneous oil consumption of recording engine 4 and total oil consumption and related data is sent to car load simulation table control system, can the fuel consumption of monitoring engine 4 at any time; Temperature sensor 17 and pressure transducer 18 are installed in the intake and exhaust road of engine 4, monitor engine breathing temperature and pressure at any time; Be connected by high-voltage wiring harness between motor 6 with electrokinetic cell 19, for the discharge and recharge of battery, precharging circuit when being high pressure on motor 4 in precharge box 22 wherein, can be replaced by battery simulator for electrokinetic cell 19, uses during convenient debugging.Real-time for the output torque of engine 4, motor 6 can be issued control desk 2 by torque sensor 14, can verify the accuracy of power source demand torque and actual output torque; Control desk 2 arranges correlate meter, instrument shows all data values of signal on data acquisition system (DAS) and can line, testing crew carries out relevant setting and monitoring wherein, completes corresponding content of the test; Ignition switch is divided into four switch position, is respectively off, acc, on, start shelves, just the same with the ignition switch on real vehicle, can realize the low pressure of car load and high pressure and to power on analog functuion.Gas pedal 24 is connected on the corresponding stitch of ECU by wire harness, and when gas pedal 24 is operated or lifts, ECU can resolve the opening amount signal of throttle by the change of the sensor voltage signal in gas pedal 24; Brake pedal 25 is connected on ECU by wire harness, and when brake pedal 25 is operated or lifts, ECU can resolve the intention of driver's brake by the change of the sensor voltage signal in brake pedal 25; Shift handle 26 is connected on TCU by wire harness, and shift handle is when diverse location, and TCU can collect different voltage signals and resolve, and obtains different gear demands.
The utility model tool has the following advantages: 1) experimenter can carry out the driving of simulating car load by pin accelerator pedal, while observe the speed of a motor vehicle in instrument, while handle throttle and brake pedal, gear shift is carried out by operation shift handle, carry out the dynamic following of operating mode, what stand TT&C system also can be utilized to arrange operating mode follows operation simultaneously automatically, can simulate car load very truly and travel; 2) testing table has four dynamometer machines and can independently control, use four dynamometer machines can well simulating vehicle trailing wheel Two axle drive, torque distribution shared by four dynamometer machines simultaneously, area requirement dynamometer machine being measured to moment of torsion reduces, and avoids because of the very little predicament of power assembly output torque excessive and single dynamometer torque measurement range; 3) can realize carrying out monitor and forecast to whole experimental bench system by control desk, just can to power assembly height piezoelectricity up and down by operation car load ignition switch at control desk, easy-to-operate; 4) utilize the utility model can carry out every test of motor vehicle driven by mixed power, multiple functional, test figure is reliable.
Comprehensive operating mode consumption run is example below, is described the utility model:
Single-axle parallel hybrid assembly is fixed on assembly erecting bed 3; Regulate parts supporting leg height, carry out the level height adjustment of power assembly input shaft and output shaft, require highly consistent; Be mechanically connected by axle and vehicle bridge and corresponding dynamometer machine 13 by the wheel box of power assembly output terminal, coupling part protective cover hides; The axle height of four dynamometer machines 13 and the height of axletree also will be consistent.
Before experiment, by the valve open of cooling system 31, by regulating valve opening and the coolant pressure of cooling system, the requirement of different flow can be met easily, the cooling system of power assembly normally being worked and also can verify whether the cooling system that power assembly mates meets the demands simultaneously; The valve open of pressed gas feed system, regulates tensimeter to make the gas provided be in suitable pressure limit; First the fourth gear car key switch in operating console, upper storage battery low-voltage electricity during On gear value, Electricity Functional in the low tension of the whole power assembly of ACC shelves, engine start during Start shelves;
Experimenter manipulates the gas pedal 24 in control desk 2, and the instrument of observing in pulpit, power assembly can be controlled after power assembly controller HCU receives signal and carry out Power output, have vehicle speed signal, four dynamometer machines 13 can carry out the setting of resistance according to the speed of a motor vehicle, carry out road resistance when simulating vehicle travels, dynamometer machine 13 is equivalent to the wheel of vehicle, four independent controls of dynamometer machine 13, use four dynamometer machines 13 can well simulating vehicle trailing wheel Two axle drive, torque distribution shared by four dynamometer machines 13 simultaneously, area requirement dynamometer machine being measured to moment of torsion reduces, avoid because of the very little predicament of power assembly output torque excessive and single dynamometer torque measurement range,
In experimentation, fuel oil supply system 15 provides required fuel oil for engine, electrokinetic cell 19 provides electric energy for motor 6, pressed gas feed system 30 provides source of the gas for pneumatic automatic clutch actuator, promote separation that inner topworks carries out clutch coupling with in conjunction with action, the power of gearbox selector gear shifting actuating mechanism also derives from the gases at high pressure that pressed gas feed system provides.
After torque sensor 14 after engine 4 and wheel box, the torque sensor 14 of 7 can send real-time for signal to control desk 2, control desk 2 personnel can know the change in torque of seeing engine and power assembly accurately, the accuracy of checking power source demand torque and actual output torque.
Correlate meter is had in control desk 2, instrument shows all data values of signal on data acquisition system (DAS) and can line, testing crew carries out relevant setting and monitoring wherein, complete corresponding content of the test experimenter can carry out simulating the driving of car load by pin accelerator pedal 24, while observe the speed of a motor vehicle in instrument, while handle throttle and brake pedal, carry out gear shift by operation shift handle, carry out the dynamic following of operating mode.What stand TT&C system also can be utilized to arrange operating mode follows operation simultaneously automatically, simulates car load very truly and travels.
In test, fuel consumption meter 32 can draw total fuel consumption data of whole operating mode and instantaneous fuel consumption data, torque sensor can obtain the situation of change of moment of torsion, the important whole vehicle information such as temperature and soc, the speed of a motor vehicle, gear of the water temperature of engine, temperature, motor temperature, battery can be obtained by corresponding data acquisition software, so that follow-up analysis is demarcated and optimized, to the exploitation of integrated vehicle control tactics with verify highly beneficial.
In sum, the utility model is not limited to above-mentioned embodiment.Those skilled in the art, under the prerequisite not departing from spirit and scope of the present utility model, can do some changes and modification.Protection domain of the present utility model should be as the criterion with claim of the present utility model.

Claims (7)

1. a hybrid electric vehicle complete vehicle simulation table, comprise testing table (1), it is characterized in that the front portion of testing table (1) is provided with control desk (2), rear portion is provided with the power assembly erecting bed (3) for installing single-axle parallel hybrid assembly, single-axle parallel hybrid assembly comprises engine (4), clutch coupling (5), motor (6) and variator (7) and control unit of engine (8), motor control unit (9) and transmission control unit (10), testing table (1) is provided with the back axle (11) and propons (12) that are connected with the outputting axial power of variator (7), the both sides of back axle (11) are respectively connected two dynamometer machines (13) by semiaxis with the both sides of propons (12), respectively a torque sensor (14) is installed between engine (4) and clutch coupling (5) and between motor (6) and variator (7), described testing table (1) also installs the fuel oil supply system (15) be connected with engine (4) and air inlet system and exhaust system (16), fuel consumption meter (32) is installed between fuel oil supply system (15) and engine (4), mounting temperature sensor (17) and pressure transducer (18) between air inlet system and exhaust system (16) and engine (4), above-mentioned dynamometer machine (13), torque sensor (14), fuel consumption meter (32), temperature sensor (17) and pressure transducer (18) are all electrically connected with control desk (2), the precharge box (22) testing table (1) being provided with electrokinetic cell (19), battery management system (20), the high-tension distribution box (21) be electrically connected with electrokinetic cell (19) and being connected electrically on high-tension distribution box (21), precharge box (22) is electrically connected with motor (6), testing table (1) is provided with the entire car controller (23) be electrically connected with control unit of engine (8), motor control unit (9), transmission control unit (10) and battery management system (20), entire car controller (23) is electrically connected with control desk (2), control desk (2) is provided with gas pedal (24), brake pedal (25) and gear shifting handle (26).
2. hybrid electric vehicle complete vehicle simulation table as claimed in claim 1, is characterized in that described control desk (2) is also provided with the fourth gear car key switch (27) and panel board (28) with Start shelves, On shelves, Acc shelves and Off shelves.
3. hybrid electric vehicle complete vehicle simulation table as claimed in claim 1, is characterized in that described air inlet system and exhaust system (16) comprise the air cleaner (161) be connected on engine charge pipeline, are arranged on SCR aftertreatment case (162) in Engine exhaust pipeline and sound suppressor (163).
4. hybrid electric vehicle complete vehicle simulation table as claimed in claim 3, is characterized in that the described exhaust pipe of engine being connected with venting test device (29).
5. hybrid electric vehicle complete vehicle simulation table as claimed in claim 4, is characterized in that described venting test device (29) is opacity smoke meter.
6. hybrid electric vehicle complete vehicle simulation table as claimed in claim 1, is characterized in that described testing table (1) being also provided with the pressed gas feed system (30) be connected by gas piping with clutch coupling (5) and variator (7).
7. hybrid electric vehicle complete vehicle simulation table as claimed in claim 1, is characterized in that described testing table (1) being also provided with the cooling system (31) be connected with engine (4) and motor (6).
CN201420835547.9U 2014-12-25 2014-12-25 Hybrid electric vehicle complete vehicle simulation table Active CN204405336U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108692948A (en) * 2017-04-07 2018-10-23 上汽通用汽车有限公司 Vehicle oil consumption tests system and control method
CN109297717A (en) * 2018-10-15 2019-02-01 浙江大学 A kind of hybrid power assembly energy flow table and test method
CN109781175A (en) * 2018-12-26 2019-05-21 中汽研(天津)汽车工程研究院有限公司 A kind of device and method for power assembly reproduction vehicle operating condition capacity usage ratio decoupling
CN109932928A (en) * 2019-02-19 2019-06-25 同济大学 Power dividing hybrid power system assemblage on-orbit testing stand under semianechoic room environment
CN112269093A (en) * 2020-12-24 2021-01-26 北京新能源汽车股份有限公司 Electric drive assembly test system and test method of electric drive assembly test system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108692948A (en) * 2017-04-07 2018-10-23 上汽通用汽车有限公司 Vehicle oil consumption tests system and control method
CN109297717A (en) * 2018-10-15 2019-02-01 浙江大学 A kind of hybrid power assembly energy flow table and test method
CN109781175A (en) * 2018-12-26 2019-05-21 中汽研(天津)汽车工程研究院有限公司 A kind of device and method for power assembly reproduction vehicle operating condition capacity usage ratio decoupling
CN109781175B (en) * 2018-12-26 2020-11-24 中汽研(天津)汽车工程研究院有限公司 Device and method for decoupling energy utilization rate of power assembly for reproducing whole vehicle working condition
CN109932928A (en) * 2019-02-19 2019-06-25 同济大学 Power dividing hybrid power system assemblage on-orbit testing stand under semianechoic room environment
CN112269093A (en) * 2020-12-24 2021-01-26 北京新能源汽车股份有限公司 Electric drive assembly test system and test method of electric drive assembly test system
CN112269093B (en) * 2020-12-24 2021-04-02 北京新能源汽车股份有限公司 Electric drive assembly test system and test method of electric drive assembly test system

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