CN103674563B - A kind of integration test method for car load Energy Flow Analysis - Google Patents
A kind of integration test method for car load Energy Flow Analysis Download PDFInfo
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- CN103674563B CN103674563B CN201210317131.3A CN201210317131A CN103674563B CN 103674563 B CN103674563 B CN 103674563B CN 201210317131 A CN201210317131 A CN 201210317131A CN 103674563 B CN103674563 B CN 103674563B
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- 238000005206 flow analysis Methods 0.000 title claims abstract description 17
- 238000010998 test method Methods 0.000 title claims abstract description 11
- 230000010354 integration Effects 0.000 title claims abstract description 8
- 238000012360 testing method Methods 0.000 claims abstract description 38
- 230000001050 lubricating effect Effects 0.000 claims abstract description 25
- 238000004378 air conditioning Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims description 12
- 239000002826 coolant Substances 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The invention discloses a kind of integration test method for car load Energy Flow Analysis, comprise step: the testing element installing power-transmission system; The testing element of cooling system, air-conditioning system, gas exhaust piping, lubricating system and the appliance network be connected with engine is installed; The testing element of crew module and nacelle is installed; Build test environment; Test and record the real-time parameter of above-mentioned subsystem.This method of testing can record same vehicle, same environment, the real-time parameter of each subsystem under same operating, meets the requirement of car load Energy Flow Analysis about each subsystem real-time parameter.
Description
Technical field
The present invention relates to a kind of vehicle testing method, be specifically related to a kind of integration test method for car load Energy Flow Analysis.
Background technology
Car load Energy Flow Analysis is the energy ezpenditure from each subsystem of car load angle analysis, each parts, obtains the energy ezpenditure distribution plan from fuel oil to wheel.Set up car load Energy Flow Analysis platform, control strategy optimization that is quick, low cost can be adopted to reach the object reducing complete-vehicle oil consumption.In order to carry out car load Energy Flow Analysis, need to gather the real-time working status parameter of each subsystem relevant to energy ezpenditure.Owing to there is coupled relation between each subsystem of car load, the duty of each parts influences each other, in order to the real-time power consumption of each subsystem of real car load, each parts can be obtained, the real-time status of the car load each subsystem relevant to energy ezpenditure must be tested under same vehicle, same environment, same operating.Existingly to the method that vehicle carries out real-time status parameter testing be: separately parameter testing is carried out to each subsystem, its environment or operating mode difference during each test, if its test result is used for carrying out Energy Flow Analysis, real energy ezpenditure distribution plan can not be obtained.
Summary of the invention
The object of this invention is to provide a kind of integration test method for car load Energy Flow Analysis, with on rotary drum stand in environmental chamber, test and car load runs according to target operating condition under recording synchronization time power-transmission system, cooling system, air-conditioning system, gas exhaust piping, lubricating system, appliance network, crew module and nacelle real-time parameter, for car load Energy Flow Analysis provides data.
Integration test method for car load Energy Flow Analysis of the present invention, comprises the steps:
1) testing element of power-transmission system is installed, first torque sensor is installed between engine crankshaft output terminal and clutch coupling, when the engine is running can the output torque of Real-time Collection engine, at the output terminal of variator, the second torque sensor is installed, can the output torque of Real-time Collection variator when transmission duty, on the brake load cell is installed, the braking torque of detent can be gathered when normal vehicle operation, installation rate sensor on wheel hub, for gathering vehicle wheel rotational speed, the output of the first torque sensor, the output of the second torque sensor, the output of load cell is all connected stage controller with the output of speed pickup, for the output torque of engine that will collect, the output torque of variator, braking torque and the vehicle wheel rotational speed of detent feed back to stage controller, realize closed-loop control,
2) testing element of the cooling system, air-conditioning system, gas exhaust piping, lubricating system and the appliance network that are connected with engine is installed; Coolant pressure sensor, cooling-water temperature transmitter and coolant rate sensor are installed in a cooling system to obtain the real-time working status parameter of cooling system, for analyzing the energy that cooling system stores and distributes; Pressure medium sensor, media temperature sensor and rate-of flow sensor are installed within air-conditioning systems to obtain the real-time working status parameter of air-conditioning system, for analyzing the energy that air-conditioning system consumes; In gas exhaust piping, installing gas pressure transducer and gas temperature sensor are to obtain the real-time state parameter of gas exhaust piping, for analyzing the energy being vented and taking away; Lubricating fluid pressure transducer, lubricating fluid temperature sensor and lubricating fluid flow sensor are installed in lubricating system to obtain the real-time working status parameter of lubricating system, for analyzing the heat that lubricating system stores and distributes; Current sensor and voltage sensor are installed in appliance network to obtain the power consumption of electric accessories; The body of engine is installed the first temperature sensor, the housing of variator is installed the second temperature sensor, to obtain the material surface temperature of power assembly, for analyzing radiation and the heat loss through convection loss of power assembly;
3) testing element of crew module and nacelle is installed; Air temperature sensor, air pressure probe and air flow rate sensor are installed in crew module to obtain state parameter real-time in crew module, air velocity transducer, environment temperature sensor and ambient pressure sensor are installed in nacelle to obtain the real-time heat transfer conditions parameter of nacelle, for analyzing the heat trnasfer of crew module and nacelle;
4) test environment is built; Be required value by stage controller by the temperature in environmental chamber, pressure and humidity set, the car load installing testing element is arranged on rotary drum stand, power assembly mechanism is controlled by driver or stage controller, control rotary drum motor by stage controller to rotate, car load is adjusted to the operating mode needing test;
5) test and record the real-time parameter of above-mentioned subsystem, for car load Energy Flow Analysis provides data; Stage controller controls rotary drum motor and vehicle accelerator position, makes vehicle operating, reaches target detection operating mode, test, record the real time data of each subsystem that each sensor collects respectively simultaneously.
The parameter of each subsystem adopting method of testing of the present invention to record is the real-time parameter of each subsystem under same vehicle, same environment, same operating, it meets the requirement of car load Energy Flow Analysis, simultaneously, this method of testing is adopted to decrease test number (TN), save cost, substantially reduce the construction cycle of car load.
Accompanying drawing explanation
Fig. 1 is the schematic diagram testing power-transmission system real-time parameter in the present invention;
Fig. 2 is the schematic diagram of the subsystem real-time parameter that in the present invention, test is relevant to energy ezpenditure.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1 and Figure 2, for the integration test method of car load Energy Flow Analysis, comprise the steps:
1) testing element of power-transmission system is installed; First torque sensor 11 is installed between engine 12 crankshaft output end and clutch coupling 10, at the output terminal of variator 9, second torque sensor 8 is installed, detent 4 is installed load cell 5, the output of installation rate sensor 3, first torque sensor 11 on wheel hub 6, the output of the second torque sensor 8, the output of load cell 5 are all connected stage controller 1 with the output of speed pickup 3;
2) testing element of the cooling system, air-conditioning system, gas exhaust piping, lubricating system and the appliance network that are connected with engine is installed, coolant pressure sensor P1 is installed in cooling system 16, cooling-water temperature transmitter T1 and coolant rate sensor M1, pressure medium sensor P2 is installed in air-conditioning system 17, media temperature sensor T2 and rate-of flow sensor M2, installing gas pressure transducer P3 and gas temperature sensor T3 in gas exhaust piping 19, lubricating fluid pressure transducer P4 is installed in lubricating system 22, lubricating fluid temperature sensor T4 and lubricating fluid flow sensor M4, current sensor I and voltage sensor V is installed in appliance network 21, the body of engine 12 is installed the first temperature sensor Tf, the housing of variator 9 is installed the second temperature sensor Tb,
3) testing element of crew module and nacelle is installed; In crew module 18, air temperature sensor T5, air pressure probe P5 and air flow rate sensor V1 are installed, in nacelle 20, air velocity transducer V2, environment temperature sensor T6 and ambient pressure sensor P6 are installed;
4) test environment is built; Be required value by stage controller 1 by the temperature in environmental chamber 15, pressure and humidity set, the car load installing testing element is arranged on rotary drum stand 14, power assembly mechanism 13 is controlled by driver or stage controller 1, control rotary drum motor 2 by stage controller 1 to rotate, car load is adjusted to the operating mode needing test;
5) test and record the real-time parameter of above-mentioned subsystem, stage controller 1 controls rotary drum motor 2 and vehicle accelerator position makes vehicle operating, reach target detection operating mode, test, record the engine output torque that the first torque sensor 11 gathers simultaneously, the gearbox output torque that second torque sensor 8 gathers, the brake moment of torsion that load cell 5 gathers, the vehicle wheel rotational speed that speed pickup 3 gathers, coolant pressure sensor P1, the working status parameter that the cooling system that cooling-water temperature transmitter T1 and coolant rate sensor M1 obtains is real-time, pressure medium sensor P2, the working status parameter that the air-conditioning system that media temperature sensor T2 and rate-of flow sensor M2 obtains is real-time, the state parameter that the gas exhaust piping that gas pressure sensor P3 and gas temperature sensor T3 obtains is real-time, the real time temperature (i.e. the real time temperature on organism material surface) of the engine block surface that the first temperature sensor Tf obtains, the real time temperature (i.e. the real time temperature on case material surface) of the transmission case surface that the second temperature sensor Tb obtains, lubricating fluid pressure transducer P4, the working status parameter that the lubricating system that lubricating fluid temperature sensor T4 and lubricating fluid flow sensor M4 obtains is real-time, the power consumption of the electric accessories that current sensor I and voltage sensor V obtains, air temperature sensor T5, the state parameter that the crew module that air pressure probe P5 and air flow rate sensor V1 obtains is real-time, air velocity transducer V2, the heat transfer conditions parameter that the nacelle that environment temperature sensor T6 and ambient pressure sensor P6 obtains is real-time, for car load Energy Flow Analysis provides data.
Claims (1)
1., for an integration test method for car load Energy Flow Analysis, comprise the steps:
1) testing element of power-transmission system is installed; First torque sensor (11) is installed between engine (12) crankshaft output end and clutch coupling (10), at the output terminal of variator (9), the second torque sensor (8) is installed, detent (4) is installed load cell (5), at the upper installation rate sensor (3) of wheel hub (6), the output of the first torque sensor, the output of the second torque sensor, the output of load cell are all connected stage controller (1) with the output of speed pickup;
2) testing element of the cooling system, air-conditioning system, gas exhaust piping, lubricating system and the appliance network that are connected with engine is installed, in cooling system (16), coolant pressure sensor (P1) is installed, cooling-water temperature transmitter (T1) and coolant rate sensor (M1), in air-conditioning system (17), pressure medium sensor (P2) is installed, media temperature sensor (T2) and rate-of flow sensor (M2), installing gas pressure transducer (P3) and gas temperature sensor (T3) in gas exhaust piping (19), in lubricating system (22), lubricating fluid pressure transducer (P4) is installed, lubricating fluid temperature sensor (T4) and lubricating fluid flow sensor (M4), in appliance network (21), current sensor (I) and voltage sensor (V) are installed, the body of engine (12) is installed the first temperature sensor (Tf), the housing of variator (9) is installed the second temperature sensor (Tb),
3) testing element of crew module and nacelle is installed; In crew module (18), air temperature sensor (T5), air pressure probe (P5) and air flow rate sensor (V1) are installed, in nacelle (20), air velocity transducer (V2), environment temperature sensor (T6) and ambient pressure sensor (P6) are installed;
4) test environment is built; Be required value by stage controller (1) by temperature, pressure and the humidity set in environmental chamber (15), the car load installing testing element is arranged on rotary drum stand (14), power assembly mechanism (13) is controlled by driver or stage controller (1), control rotary drum motor (2) by stage controller (1) to rotate, car load is adjusted to the operating mode needing test;
5) test and record the real-time parameter of above-mentioned power-transmission system, cooling system, air-conditioning system, gas exhaust piping, lubricating system, appliance network, crew module and nacelle; Stage controller (1) controls rotary drum motor (2) and vehicle accelerator position, make vehicle operating, reach target detection operating mode, test, record the real time data of power-transmission system that each sensor collects respectively, cooling system, air-conditioning system, gas exhaust piping, lubricating system, appliance network, crew module and nacelle simultaneously.
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| CN106908253A (en) * | 2017-03-29 | 2017-06-30 | 中国汽车技术研究中心 | Quick test system for service brake response time of motor vehicle |
| CN107505572B (en) * | 2017-07-13 | 2023-07-18 | 浙江大学 | An electric vehicle powertrain energy flow testing system and method |
| CN107478439A (en) * | 2017-07-25 | 2017-12-15 | 宝沃汽车（中国）有限公司 | The test system and test equipment of vehicle |
| CN107798472B (en) * | 2017-10-20 | 2021-11-30 | 重庆长安汽车股份有限公司 | Analysis method for whole vehicle energy flow distribution and fuel consumption influence factor evaluation |
| CN109781175B (en) * | 2018-12-26 | 2020-11-24 | 中汽研（天津）汽车工程研究院有限公司 | A device and method for decoupling energy utilization rate of powertrain replicating vehicle operating conditions |
| CN110806321A (en) * | 2019-11-21 | 2020-02-18 | 清友(苏州)汽车技术有限公司 | Axle NVH testing mechanism and testing method thereof |
| CN110940532A (en) * | 2019-12-16 | 2020-03-31 | 海马新能源汽车有限公司 | Vehicle energy flow testing system and method |
| CN112124226B (en) * | 2020-09-29 | 2022-04-01 | 徐工集团工程机械有限公司 | Energy flow analysis method and system for engineering vehicle |
| CN113125937B (en) * | 2021-03-09 | 2024-09-10 | 浙江零跑科技股份有限公司 | Quick early warning method for operation faults of vehicle-mounted printed circuit board assembly |
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| CN101219665A (en) * | 2008-01-30 | 2008-07-16 | 北京交通大学 | Hybrid electric vehicle energy management method based on comprehensive energy flow |
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