CN102426103A - High-temperature environment simulation test system of commercial vehicle - Google Patents
High-temperature environment simulation test system of commercial vehicle Download PDFInfo
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- CN102426103A CN102426103A CN2011102433314A CN201110243331A CN102426103A CN 102426103 A CN102426103 A CN 102426103A CN 2011102433314 A CN2011102433314 A CN 2011102433314A CN 201110243331 A CN201110243331 A CN 201110243331A CN 102426103 A CN102426103 A CN 102426103A
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Abstract
The invention provides a high-temperature environment simulation test system of a commercial vehicle. The test system comprises a high-temperature environment simulation system, an engine tail gas exhausting system and drum test equipment, wherein the high-temperature environment simulation system leads high-temperature air into the test system through an air supply unit with an electric heating function so as to perform high-temperature environment simulation of the test system. Through the high-temperature environment simulation test system of the commercial vehicle provided by the invention, the test cost of the commercial vehicle is reduced, and the test period is shortened.
Description
Technical field
The invention belongs to the pilot system of vehicle performance, be specifically related to a kind of commercial car hot environment simulation experiment system.
Background technology
According to the ISO3833 standard revise originally, automobile only is divided into two big types: passenger car and commercial car.
Commercial car is the automobile that on design and technical characterictic, is used to the personnel that transport and goods.Since 2005, China's automobile industry was carried out new vehicle statistical classification.Old relatively classification, commercial car have comprised all cargo vehicles and the passenger vehicle more than 9.In old classification, the car load statistics is listed on the chassis that car load enterprise takes out in, in new classification, the chassis is listed separately, is respectively the non-complete vehicle of non-complete vehicle of passenger vehicle (passenger-carrying chassis) and lorry (truck chassis).
Commercial car is divided into passenger vehicle, lorry, tractor truck, the non-complete vehicle of passenger vehicle and the non-complete vehicle of lorry, totally five types.And in whole industry media, the notion of commercial car mainly defines from himself purposes difference.Custom is divided into passenger vehicle and lorry two big classes to commercial car.
At present, the multiaxis of China drives commercial car does not have drum dynamometer can carry out the test of car load correlated performance, can only carry out open-air preventing test.Especially the hot environment test need be carried out to Hainan, Nanjing and other places in summer, not only need form huge test troop, and the cost lot of manpower and material resources prolongs the test period; And on the road test influenced by time, place bigger, environmental factor is wayward, repeatability is bad, can't carry out further investigation to car load and subsystem technology, is difficult to vehicle for the development newly deposit that provides the necessary technical.
Summary of the invention
The objective of the invention is to, propose a kind of commercial car hot environment simulation experiment system, reduced the experimentation cost of commercial car, shortened the test period.
For realizing above-mentioned purpose; The present invention provides a kind of commercial car hot environment simulation experiment system; Said pilot system comprises: drum test equipment (3), hot environment simulation system (1), motor exhaust removal system (2); Its improvements are that said testing vehicle (14) is arranged in hot environment simulation system (1); The front portion of said testing vehicle (14) is provided with the said vehicle cooling blower (13) that heads on; The side of said testing vehicle (14) is provided with motor exhaust removal system (2); The bottom of said testing vehicle (14) is provided with drum test equipment (3);
Said hot environment simulation system (1) imports high temperature air through the blowing unit that has electric heating function in said pilot system, carry out the hot environment simulation of said pilot system.
In optimized technical scheme of the present invention, said drum test equipment is made up of rotary drum unit, measurement of power unit and support unit, and said rotary drum unit and said measurement of power unit all are positioned on the said support unit and interconnect.
In the present invention's second optimized technical scheme, said hot environment simulation system (1) also can turn round to generate heat on drum test equipment testing laboratory is carried out preheating through said testing vehicle (14), carries out the hot environment simulation of said pilot system.
In the present invention's the 3rd optimized technical scheme, described motor exhaust removal system is made up of air exhauster, offgas duct, exhausting silencer; Said air exhauster adopts frequency conversion fan, setting pressure sensor in the said offgas duct.
In the present invention's the 4th optimized technical scheme; Said rotary drum unit is rotary drum (5); Said measurement of power unit is power charger (4); Said support unit is framework equipment (6), also comprises wheelbase self-checking device (7), moment of torsion caliberating device (8), and said rotary drum (5), power charger (4), wheelbase self-checking device (7) and moment of torsion caliberating device (8) all are supported on the framework equipment (6).
Said rotary drum (5) is 8, and said 2 coaxial rotary drums all are connected with corresponding said measurement of power unit, and said measurement of power unit is positioned at the outside of said rotary drum.
In the present invention's the 5th optimized technical scheme, the wheelbase of said drum test equipment (3) is adjustable, and minimum wheelbase reaches 1250mm; 8 said rotary drums in the said drum test equipment are independently controlled by 8 motors, can realize differential, differ from and turn round control;
Said drum test equipment can be tested said testing vehicle (14) as follows: permanent moment of torsion loading, permanent rotating speed, constant acceleration load, permanent power loads, road resistance loads, the gradient is dynamically controlled, the user gathers true road surface time history signal loading, self-defined driving cycles CYCLIC LOADING, left and right difference speed control system loads and left and right difference is turned round control loaded.
More preferably in the technical scheme, said blowing unit comprises: return exhaust system (9), electric heating unit (10), supply air system (11) and supply air duct (12) in the present invention; Said time exhaust system (9), said electric heating unit (10), said supply air system (11) and said supply air duct (12) connect successively; Said time exhaust system (9), electric heating unit (10), supply air system (11) are positioned at the top of said pilot system; Said supply air duct (12) is positioned at the front portion of said pilot system.
In the present invention second more preferably in the technical scheme, said hot environment simulation system can be carried out the test of environment temperature under the condition of (30～50) ℃ ± 2 ℃ to said testing vehicle (14).
More preferably in the technical scheme, the drive form of said testing vehicle (14) comprising: 8 * 8,8 * 6,8 * 4,8 * 2,6 * 6,6 * 4,6 * 2,4 * 4 and 4 * 2 drive forms in the present invention the 3rd.
Compared with prior art; The invention has the beneficial effects as follows that said commercial car hot environment simulation experiment system adopts electrical heating and vehicle on drum test equipment, to turn round to generate heat dual mode to combine testing laboratory is carried out preheating; Preheating time is short, efficient is high, good economy performance; And but the pilot system simulating vehicle has also satisfied disalignment apart from the vehicle testing needs in true road traveling situation; Moreover pilot system makes the test of commercial car not receive time, place, such environmental effects, and good reproducibility is developed and improved design for car load the data support is provided, and promotes the car load design level greatly, and effectively raises car load development efficient.
Description of drawings
Fig. 1 is the schematic top plan view of commercial car hot environment simulation experiment system.
Fig. 2 is the floor map of drum test equipment.
Fig. 3 is the schematic side view of commercial car hot environment simulation experiment system.
Reference numeral among Fig. 1-3 is: 1. hot environment simulation system; 2. motor exhaust removal system; 3. drum test equipment; 4. power charger; 5. rotary drum; 6. framework equipment; 7. wheelbase self-checking device; 8. moment of torsion caliberating device; 9. return exhaust system; 10. electric heating unit; 11. supply air system; 12. supply air duct; The cooling blower 13. vehicle heads on; 14. testing vehicle.
Embodiment
As shown in Figure 1, commercial car hot environment simulation experiment system comprises: drum test equipment (3), hot environment simulation system (1), motor exhaust removal system (2), the vehicle cooling blower (13) that heads on; Said testing vehicle (14) is arranged in hot environment simulation system (1); The front portion of said testing vehicle (14) is provided with the said vehicle cooling blower (13) that heads on; The side of said testing vehicle (14) is provided with motor exhaust removal system (2); The bottom of said testing vehicle (14) is provided with drum test equipment (3);
Said hot environment simulation system (1) imports high temperature air through the blowing unit that has electric heating function in said pilot system, also can on drum test equipment, turn round through said testing vehicle (14) testing laboratory is carried out preheating; Carry out the hot environment simulation of said pilot system.
As shown in Figure 3, said blowing unit comprises: return exhaust system (9), electric heating unit (10), supply air system (11) and supply air duct (12); Said time exhaust system (9), said electric heating unit (10), said supply air system (11) and said supply air duct (12) connect successively; Said time exhaust system (9), electric heating unit (10), supply air system (11) are positioned at the top of said pilot system; Said supply air duct (12) is positioned at the front portion of said pilot system.
Described hot environment simulation system increases the hot environment simulation in the complete vehicle test chamber, can measure in testing laboratory or verify that each item of commerial vehicle car load under environment temperature (30～50) ℃ ± 2 ℃ condition is tested.Breeze fan case through having electric heating function imports high temperature air in testing laboratory, vehicle operation is carried out preheating to testing laboratory and carried out the hot environment simulation simultaneously.Described hot environment simulation system mainly can be carried out: the adaptability of hot environment, the test of power assist system heat-sinking capability, systematic parameter test, hot environment continue travel performance test etc.
As shown in Figure 2, in said drum test equipment (3), said drum test equipment is made up of rotary drum unit, measurement of power unit and support unit, and said rotary drum unit and said measurement of power unit all are positioned on the said support unit and interconnect; Said rotary drum unit is rotary drum (5); Said measurement of power unit is power charger (4); Said support unit is framework equipment (6); Also comprise wheelbase self-checking device (7), moment of torsion caliberating device (8), said rotary drum (5), power charger (4), wheelbase self-checking device (7) and moment of torsion caliberating device (8) all are supported on the framework equipment (6); Said rotary drum (5) is 8, and said 2 coaxial rotary drums all are connected with corresponding said measurement of power unit, and said measurement of power unit is positioned at the outside of said rotary drum.Wherein, described drum test equipment adopts 8 rotor systems and power-measuring system to form, and has various survey sensors to accomplish the collection of data-signals, can accomplish the car load that comprises 4 * 4 to 8 * 8 commerial vehicle and test.
The wheelbase of said drum test equipment (3) is adjustable, and minimum wheelbase reaches 1250mm; 8 said rotary drums in the said drum test equipment are independently controlled by 8 motors, can realize differential, differ from and turn round control; Said drum test equipment (3) can be tested said testing vehicle (14) as follows: permanent moment of torsion loading, permanent rotating speed, constant acceleration load, permanent power loads, road resistance loads, the gradient is dynamically controlled, the user gathers true road surface time history signal loading, self-defined driving cycles CYCLIC LOADING, left and right difference speed control system loads and left and right difference is turned round control loaded.
Said motor exhaust removal system is made up of air exhauster, offgas duct, exhausting silencer etc.Air exhauster adopts frequency conversion fan, and the air in the setting pressure sensor in the offgas duct, Vehicular exhaust and test bay is adjusted the centrifugal blower electric machine frequency according to pressure reduction in tail gas airduct and the testing laboratory after mix, assurance tail gas is smooth and easy be discharged to outdoor.
Commercial car hot environment simulation experiment system can carry out performance test to being driven into 4 shaft-driven commerial vehicles from 1, and drive pattern comprises 8 * 8,8 * 6,8 * 4,8 * 2,6 * 6,6 * 4,6 * 2,4 * 4 and 4 * 2 etc.The test event that said pilot system can be carried out mainly comprises: power performance test, fuel-economy property testing, braking performance test, hot environment adaptive testing and automobile reliability test etc.
What need statement is that content of the present invention and embodiment are intended to prove the practical application of technical scheme provided by the present invention, should not be construed as the qualification to protection domain of the present invention.Those skilled in the art under its spirit and principle inspiration, can do various modifications, be equal to replacement or improvement after reading present specification.But these changes or modification are all in the protection domain that application is awaited the reply.
Claims (9)
1. commercial car hot environment simulation experiment system; Said pilot system comprises: drum test equipment (3), hot environment simulation system (1), motor exhaust removal system (2); It is characterized in that said testing vehicle (14) is arranged in hot environment simulation system (1); The front portion of said testing vehicle (14) is provided with the said vehicle cooling blower (13) that heads on; The side of said testing vehicle (14) is provided with motor exhaust removal system (2); The bottom of said testing vehicle (14) is provided with drum test equipment (3);
Said hot environment simulation system (1) imports high temperature air through the blowing unit that has electric heating function in said pilot system, carry out the hot environment simulation of said pilot system.
2. pilot system according to claim 1 is characterized in that, said drum test equipment is made up of rotary drum unit, measurement of power unit and support unit, and said rotary drum unit and said measurement of power unit all are positioned on the said support unit and interconnect.
3. pilot system according to claim 1; It is characterized in that; Said hot environment simulation system (1) also can go up the running heating at drum test equipment (3) through said testing vehicle (14) testing laboratory is carried out preheating, carries out the hot environment simulation of said pilot system.
4. pilot system according to claim 1 is characterized in that, described motor exhaust removal system comprises air exhauster, offgas duct, exhausting silencer; Said air exhauster adopts frequency conversion fan, setting pressure sensor in the said offgas duct.
5. pilot system according to claim 2; It is characterized in that; Said rotary drum unit is rotary drum (5), and said measurement of power unit is power charger (4), and said support unit is framework equipment (6); Also comprise wheelbase self-checking device (7), moment of torsion caliberating device (8), said rotary drum (5), power charger (4), wheelbase self-checking device (7) and moment of torsion caliberating device (8) all are supported on the framework equipment (6).
Said rotary drum (5) is 8, and said 2 coaxial rotary drums all are connected with corresponding said measurement of power unit, and said measurement of power unit is positioned at the outside of said rotary drum.
6. according to claim 2 and 5 described pilot systems, it is characterized in that the wheelbase of said drum test equipment (3) is adjustable, minimum wheelbase reaches 1250mm; 8 said rotary drums in the said drum test equipment are independently controlled by 8 motors, can realize differential, differ from and turn round control;
Said drum test equipment can be tested said testing vehicle (14) as follows: permanent moment of torsion loading, permanent rotating speed, constant acceleration load, permanent power loads, road resistance loads, the gradient is dynamically controlled, the user gathers true road surface time history signal loading, self-defined driving cycles CYCLIC LOADING, left and right difference speed control system loads and left and right difference is turned round control loaded.
7. pilot system according to claim 3 is characterized in that, said blowing unit comprises: return exhaust system (9), electric heating unit (10), supply air system (11) and supply air duct (12); Said time exhaust system (9), said electric heating unit (10), said supply air system (11) and said supply air duct (12) connect successively; Said time exhaust system (9), electric heating unit (10), supply air system (11) are positioned at the top of said pilot system; Said supply air duct (12) is positioned at the front portion of said pilot system.
8. according to claim 3 and 7 described pilot systems, it is characterized in that said hot environment simulation system can be carried out the test of environment temperature under the condition of (30～50) ℃ ± 2 ℃ to said testing vehicle (14).
9. according to claim 2 and 6 described pilot systems, it is characterized in that the drive form of said testing vehicle (14) comprising: 8 * 8,8 * 6,8 * 4,8 * 2,6 * 6,6 * 4,6 * 2,4 * 4 and 4 * 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110243331.4A CN102426103B (en) | 2011-08-23 | 2011-08-23 | High-temperature environment simulation test system of commercial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110243331.4A CN102426103B (en) | 2011-08-23 | 2011-08-23 | High-temperature environment simulation test system of commercial vehicle |
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| CN102426103A true CN102426103A (en) | 2012-04-25 |
| CN102426103B CN102426103B (en) | 2014-03-12 |
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| CN201110243331.4A Expired - Fee Related CN102426103B (en) | 2011-08-23 | 2011-08-23 | High-temperature environment simulation test system of commercial vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103674563A (en) * | 2012-08-31 | 2014-03-26 | 重庆长安汽车股份有限公司 | Integration testing method for analyzing energy flow of finished automobile |
| CN106017944A (en) * | 2016-05-24 | 2016-10-12 | 龙岩市海德馨汽车有限公司 | High temperature resistant test device and method of power vehicle |
| CN107655701A (en) * | 2017-09-08 | 2018-02-02 | 绔ユ兜 | New-energy automobile comprehensive performance test device |
| CN112082775A (en) * | 2020-09-30 | 2020-12-15 | 中国汽车工程研究院股份有限公司 | Power system testing method and device for simulating running state of whole vehicle |
| CN114608543A (en) * | 2020-12-08 | 2022-06-10 | 北京福田康明斯发动机有限公司 | Method and device for loading and centering in drum test |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103674563A (en) * | 2012-08-31 | 2014-03-26 | 重庆长安汽车股份有限公司 | Integration testing method for analyzing energy flow of finished automobile |
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| CN107655701A (en) * | 2017-09-08 | 2018-02-02 | 绔ユ兜 | New-energy automobile comprehensive performance test device |
| CN112082775A (en) * | 2020-09-30 | 2020-12-15 | 中国汽车工程研究院股份有限公司 | Power system testing method and device for simulating running state of whole vehicle |
| CN112082775B (en) * | 2020-09-30 | 2022-01-25 | 中国汽车工程研究院股份有限公司 | Power system testing method and device for simulating running state of whole vehicle |
| CN114608543A (en) * | 2020-12-08 | 2022-06-10 | 北京福田康明斯发动机有限公司 | Method and device for loading and centering in drum test |
| CN114608543B (en) * | 2020-12-08 | 2024-04-05 | 北京福田康明斯发动机有限公司 | Barrate test loading centering method and device |
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Inventor after: Lv Jianguo Inventor after: Zhao Chunxia Inventor after: Zhang Jinhui Inventor after: Xiao Xuelian Inventor after: Ding Xiujuan Inventor after: Wang Zhaoshun Inventor before: Lv Jianguo Inventor before: Zhao Chunxia Inventor before: Zhang Jinhui Inventor before: Xiao Xuelian Inventor before: Ding Xiujuan |
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Free format text: CORRECT: INVENTOR; FROM: LV JIANGUO ZHAO CHUNXIA ZHANG JINHUI XIAO XUELIAN DING XIUJUAN TO: LV JIANGUO ZHAO CHUNXIA ZHANG JINHUI XIAO XUELIAN DING XIUJUAN WANG ZHAOSHUN |
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