Vehicle high altitude performance simulation test system

A simulation test system and technology of the simulation system, applied in the field of vehicle high-altitude performance simulation test system, can solve problems such as lagging and restricting the development of vehicles, and achieve the effects of simple adjustment, high automation efficiency and quality, and accurate control process

Inactive Publication Date: 2010-06-16
MILITARY TRANSPORTATION UNIV PLA
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  • Abstract
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Problems solved by technology

However, at present, the lag in the construction of high-altitude environmental test conditions for automobiles in China has seriously restricted the development of automobiles.

Method used

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  • Vehicle high altitude performance simulation test system
  • Vehicle high altitude performance simulation test system
  • Vehicle high altitude performance simulation test system

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0015] Such as figure 1 Shown: a simulation test system for automobile high altitude performance, which is composed of an intake pressure simulation system, an exhaust pressure simulation system and a control system; the intake pressure simulation system consists of an intake electric control valve 2, an intake regulator 1, and The air flow meter 3 is connected in sequence; the exhaust pressure simulation system is composed of the air flow meter 9, the exhaust pressure regulator box 4, the exhaust electric regulating valve 5 and the vacuum pump 7 are connected in sequence; the output of the control system AWS-8248V industrial control computer 12 The ends are respectively connected with the input ends of the intake electric control valve and the exhaust electric control valve. The air flow meter in the exhaust pressure simulation system is connected with a heat exchanger 10, and the vacuum pump is connected with an air-water separator 8. An overflow valve 6 is installed on the p...

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Abstract

The invention relates to a vehicle high altitude performance simulation test system which comprises an air inlet pressure simulation system, an exhaust pressure simulation system and a control system; the air inlet pressure simulation system comprises an air inlet electric regulating valve, an air inlet pressure stabilizing box and an air flowmeter which are sequentially connected; the exhaust pressure simulation system comprises an air flowmeter, an exhaust pressure stabilizing box, an exhaust electric regulating valve and a vacuum pump which are sequentially connected; and the output end of the control system is respectively connected with the input ends of the air inlet electric regulating valve and the exhaust electric regulating valve. The invention has the advantages that the system can realize that a vehicle simulates a low air pressure environment with the altitude exceeding 5000m in a laboratory, and the simulation precision thereof completely meets a national standard requirement; and the automation efficiency and the quality are high.

Description

Technical field: [0001] The invention belongs to a simulation test device, and particularly relates to a high-altitude performance simulation test system for automobiles. technical background: [0002] When a car is driving on a plateau, the change in altitude has a significant impact on the performance of the engine and the vehicle. With the increase in altitude, the engine has problems such as power decline, economic deterioration, and serious emissions pollution. The reason is mainly due to the high altitude (low atmospheric pressure) atmospheric conditions. [0003] At present, my country's plateau vehicles do not use real plateau engines, and most of the transportation vehicles are imported or alternative models of Sino-foreign joint ventures. For naturally aspirated engines, the method of reducing the fuel supply is used, which is often referred to as a "big horse-drawn car", and the use of a supercharged engine is only a simple fuel supply adjustment for an ordinary plain ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M17/007
Inventor 刘瑞林周广猛董素荣刘刚许翔
Owner MILITARY TRANSPORTATION UNIV PLA
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