CN103674563A - Integration testing method for analyzing energy flow of finished automobile - Google Patents
Integration testing method for analyzing energy flow of finished automobile Download PDFInfo
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- CN103674563A CN103674563A CN201210317131.3A CN201210317131A CN103674563A CN 103674563 A CN103674563 A CN 103674563A CN 201210317131 A CN201210317131 A CN 201210317131A CN 103674563 A CN103674563 A CN 103674563A
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 230000010354 integration Effects 0.000 title claims abstract description 8
- 230000001050 lubricating effect Effects 0.000 claims abstract description 24
- 238000004378 air conditioning Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000005206 flow analysis Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 12
- 239000002826 coolant Substances 0.000 claims description 8
- 238000010998 test method Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 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
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 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
- 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 an integration testing method for analyzing the energy flow of a finished automobile. The method comprises the steps of installing a testing element of a power transmission system, installing a cooling system, an air conditioning system, a gas exhaust piping, a lubricating system, and a testing element for testing the network of an electric appliance, installing testing elements for a passenger compartment and an engine compartment, creating a testing environment, and testing and recording the real-time parameters of the above subsystems, wherein the cooling system, the air conditioning system, the gas exhaust pipe, the lubricating system and the testing element for testing the network of the electric appliance are connected with an engine. By the testing method, the real-time parameters of various subsystems of the same automobile under the same environment and working conditions are recorded, and the requirements of the analysis of energy flow of the finished automobile on the real-time parameters of the various subsystems are met.
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 consumption from each subsystem of car load angle analysis, each parts, and the energy obtaining from fuel oil to wheel consumes distribution plan.Set up car load Energy Flow Analysis platform, the object can adopt fast, control strategy optimization reaching reduction complete-vehicle oil consumption cheaply.In order to carry out car load Energy Flow Analysis, need to gather each the subsystem real-time working status parameter relevant to energy consumption.Owing to having coupled relation between each subsystem of car load, the duty of each parts influences each other, in order to obtain the real-time energy consumption of each subsystem of real car load, each parts, must under same vehicle, same environment, same operating, test the real-time status of each subsystem that car load is relevant to energy consumption.The existing method that vehicle is carried out to real-time status parameter testing is: separately each subsystem is carried out to parameter testing, during each test, its environment or operating mode are different, if its test result is used for carrying out Energy Flow Analysis, can not obtains real energy and consume distribution plan.
Summary of the invention
The object of this invention is to provide a kind of integration test method for car load Energy Flow Analysis, on rotary drum stand in environmental chamber, test and record under synchronization the real-time parameter of power-transmission system, cooling system, air-conditioning system, gas exhaust piping, lubricating system, electrical equipment network, crew module and nacelle when car load moves according to target operating condition, 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, the first torque sensor is installed between engine crankshaft output terminal and clutch coupling, output torque that can Real-time Collection engine when engine moves, at the output terminal of variator, the second torque sensor is installed, output torque that can Real-time Collection variator when variator is worked, load cell is installed on detent, when normally working, vehicle can gather the braking torque of detent, installation rate sensor on wheel hub, be used 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 stand controller with the output of speed pickup, be used for the output torque of the engine collecting, the output torque of variator, the braking torque of detent and vehicle wheel rotational speed feed back to stand controller, realize closed-loop control,
2) testing element of the cooling system, air-conditioning system, gas exhaust piping, lubricating system and the electrical equipment network that are connected with engine is installed; Coolant pressure sensor, cooling-water temperature transmitter and coolant rate sensor are installed in cooling system to obtain the real-time working status parameter of cooling system, the energy that stores and distribute for analyzing cooling system; Pressure medium sensor, medium temperature sensor and rate-of flow sensor are installed in air-conditioning system to obtain the real-time working status parameter of air-conditioning system, the energy consuming for analyzing air-conditioning system; In gas exhaust piping, installing gas pressure transducer and gas temperature sensor are to obtain the real-time state parameter of gas exhaust piping, the energy of taking away for analyzing exhaust; 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, the heat that stores and distribute for analyzing lubricating system; Current sensor and voltage sensor are installed in electrical equipment network to obtain the power consumption of electric accessories; The first temperature sensor is installed on the body of engine, the second temperature sensor is installed on the housing of variator, 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 velocity 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 state parameter of nacelle, for analyzing the heat transmission of crew module and nacelle;
4) build test environment; By stand controller, the temperature in environmental chamber, pressure and humidity are set as to required value, the car load that testing element has been installed is arranged on rotary drum stand, by driver or stand controller, control power assembly mechanism, by stand controller, control rotary drum electric machine rotation, car load is adjusted to the operating mode that needs test;
5) test and record the real-time parameter of above-mentioned subsystem, for car load Energy Flow Analysis provides data; Stand controller is controlled rotary drum motor and vehicle accelerator position, makes vehicle operating, reaches target detection operating mode, tests, and records the real time data of each subsystem that each sensor collects respectively simultaneously.
Adopting the parameter of each subsystem that method of testing of the present invention records is the real-time parameter of each subsystem under same vehicle, same environment, same operating, it has met the requirement of car load Energy Flow Analysis, simultaneously, adopt this method of testing also to reduce test number (TN), save cost, greatly shortened the construction cycle of car load.
Accompanying drawing explanation
Fig. 1 tests the schematic diagram of 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 consumption.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1 and Figure 2, the integration test method for car load Energy Flow Analysis, comprises the steps:
1) testing element of power-transmission system is installed; The first torque sensor 11 is installed between engine 12 crankshaft output ends and clutch coupling 10, at the output terminal of variator 9, the second torque sensor 8 is installed, load cell 5 is installed on detent 4, the output of installation rate sensor 3, the first torque sensors 11 on wheel hub 6 is, the output of the output of the second torque sensor 8, load cell 5 and the output of speed pickup 3 are all connected stand controller 1;
2) testing element of the cooling system, air-conditioning system, gas exhaust piping, lubricating system and the electrical equipment 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, medium 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 are installed in electrical equipment network 21, the first temperature sensor Tf is installed on the body of engine 12, the second temperature sensor Tb is installed on the housing of variator 9,
3) testing element of crew module and nacelle is installed; At the interior installation air temperature sensor of crew module 18 T5, air pressure probe P5 and air velocity sensor V1, at the interior installation air velocity transducer of nacelle 20 V2, environment temperature sensor T6 and ambient pressure sensor P6;
4) build test environment; By stand controller 1, the temperature in environmental chamber 15, pressure and humidity are set as to required value, the car load that testing element has been installed is arranged on rotary drum stand 14, by driver or stand controller 1, control power assembly mechanism 13, by stand controller 1, control rotary drum motor 2 and rotate, car load is adjusted to the operating mode that needs test;
5) test and record the real-time parameter of above-mentioned subsystem, rotary drum motor 2 controlled by stand controller 1 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 the second torque sensor 8 gathers, the detent braking torque that load cell 5 gathers, the vehicle wheel rotational speed that speed pickup 3 gathers, coolant pressure sensor P1, the real-time working status parameter of cooling system that cooling-water temperature transmitter T1 and coolant rate sensor M1 obtain, pressure medium sensor P2, the real-time working status parameter of air-conditioning system that medium temperature sensor T2 and rate-of flow sensor M2 obtain, the real-time state parameter of gas exhaust piping that gas pressure sensor P3 and gas temperature sensor T3 obtain, the real time temperature on the engine body surface that the first temperature sensor Tf obtains (being the real time temperature on organism material surface), the real time temperature of the transmission case surface that the second temperature sensor Tb obtains (being the real time temperature on case material surface), lubricating fluid pressure transducer P4, the real-time working status parameter of lubricating system that lubricating fluid temperature sensor T4 and lubricating fluid flow sensor M4 obtain, the power consumption of the electric accessories that current sensor I and voltage sensor V obtain, air temperature sensor T5, the real-time state parameter of crew module that air pressure probe P5 and air velocity sensor V1 obtain, air velocity transducer V2, the real-time heat transfer state parameter of nacelle that environment temperature sensor T6 and ambient pressure sensor P6 obtain, 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; Between engine (12) crankshaft output end and clutch coupling (10), the first torque sensor (11) is installed, at the output terminal of variator (9), the second torque sensor (8) is installed, at the upper load cell (5) of installing of detent (4), at the upper installation rate sensor (3) of wheel hub (6), the output of the output of the first torque sensor, the output of the second torque sensor, the output of load cell and speed pickup is all connected stand controller (1);
2) testing element of the cooling system, air-conditioning system, gas exhaust piping, lubricating system and the electrical equipment 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), medium 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) are installed in electrical equipment network (21), the first temperature sensor (Tf) is installed on the body of engine (12), the second temperature sensor (Tb) is installed on the housing of variator (9),
3) testing element of crew module and nacelle is installed; Air temperature sensor (T5), air pressure probe (P5) and air velocity sensor (V1) are installed in crew module (18), air velocity transducer (V2), environment temperature sensor (T6) and ambient pressure sensor (P6) are installed in nacelle (20);
4) build test environment; By stand controller (1), temperature, pressure and humidity in environmental chamber (15) are set as to required value, the car load that testing element has been installed is arranged on rotary drum stand (14), by driver or stand controller (1), control power assembly mechanism (13), by stand controller (1), control rotary drum motor (2) and rotate, car load is adjusted to the operating mode that needs test;
5) test and record the real-time parameter of above-mentioned subsystem; Stand controller (1) is controlled rotary drum motor (2) and vehicle accelerator position, makes vehicle operating, reaches target detection operating mode, tests, and records the real time data of each subsystem that each sensor collects respectively simultaneously.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN107505572A (en) * | 2017-07-13 | 2017-12-22 | 浙江大学 | A kind of power assembly of electric automobile energy stream test system and method |
| CN107798472A (en) * | 2017-10-20 | 2018-03-13 | 重庆长安汽车股份有限公司 | Vehicle power flow distribution and the analysis method of oil consumption factor of influence evaluation |
| 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 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 |
| CN112124226A (en) * | 2020-09-29 | 2020-12-25 | 徐工集团工程机械有限公司 | Energy flow analysis method and system for engineering vehicle |
| CN113125937A (en) * | 2021-03-09 | 2021-07-16 | 浙江零跑科技有限公司 | Rapid early warning method for operation fault of vehicle-mounted printed circuit board assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN107505572A (en) * | 2017-07-13 | 2017-12-22 | 浙江大学 | A kind of power assembly of electric automobile energy stream test 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 |
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| 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 |
| CN112124226A (en) * | 2020-09-29 | 2020-12-25 | 徐工集团工程机械有限公司 | Energy flow analysis method and system for engineering vehicle |
| CN113125937A (en) * | 2021-03-09 | 2021-07-16 | 浙江零跑科技有限公司 | Rapid early warning method for operation fault of vehicle-mounted printed circuit board assembly |
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