CN103575540A - High-altitude simulation test device of engine-driven pressure system - Google Patents
High-altitude simulation test device of engine-driven pressure system Download PDFInfo
- Publication number
- CN103575540A CN103575540A CN201310594289.XA CN201310594289A CN103575540A CN 103575540 A CN103575540 A CN 103575540A CN 201310594289 A CN201310594289 A CN 201310594289A CN 103575540 A CN103575540 A CN 103575540A
- Authority
- CN
- China
- Prior art keywords
- engine
- air
- simulation test
- test device
- baric systerm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Testing Of Engines (AREA)
Abstract
The invention discloses a high-altitude simulation test device of an engine-driven pressure system. The high-altitude simulation test device comprises a pressure system and a power system of the pressure system, and is to simulate different altitude low-pressure environments to carry out the plateau simulation test for an air compressor. The high-altitude simulation test device of the engine-driven pressure system tests performance changes of the engine and the engine-driven pressure system under different altitude atmospheric pressures, which mainly comprise under different altitudes and different atmospheric pressures, time for the air pressure of an air reservoir, which raises from 0 and raises 100 kPa every time, time for the air reservoir to reach the highest pressure, air suction flow and other parameters, so as to assess the plateau performance of the engine-driven pressure system which takes the engine as a power source.
Description
Technical field
The present invention relates to engine driven baric systerm technical field, particularly relate to the high height above sea level simulation test device of a kind of engine driven baric systerm.
Background technology
The baric systerm that the engine of take is power source, when the operation of highlands, there will be the problems such as serviceability deterioration, work capacity decline, failure rate rising and reliability variation conventionally.Trace it to its cause and be mainly following 2 points:
1. the impact of altitude environment on engine performance
Be mainly reflected in: dynamic property declines, economy worsens; Turbocharger performance, the emission behavior variation of coupling; Thermal load increases, and cooling system heat-sinking capability declines; The aspects such as cold start difficulty.
2. the impact of altitude environment on baric systerm performance
Be mainly reflected in: because engine performance declines, cause the baric systerm performance of mating with it to be subject to certain limitation and impact, altitude environment atmospheric pressure is low and karaburan is large, not only can cause that air compressor air inflow reduces, impermeability declines, compressor gas circuit and filter cleaner easily stop up, cause the appearance of the faults such as system output pressure is not enough and action is not steady, even stuck; And can make to contain a large amount of impurity from the pressurized air of air compressor output, greatly reduce reliability and the serviceable life of baric systerm.
So research and inquire into high altitude localities atmospheric conditions to take the impact of the baric systerm performance that engine is power source, is basis and the prerequisite of carrying out the high height above sea level performance study of mechanized equipment.
The altitude environment test of the baric systerm that the engine of take is power source is mainly divided into plateau site test and Plain laboratory simulation test, due to plateau site test have repeatable poor, test period is long, the many disadvantages such as climate parameter is non-adjustable, be only suitable for verifying on the spot for real vehicle, and Plain laboratory simulation test has and is not subject to area, season and time restriction, can reappear natural conditions, simulation extremum conditions, can be under same environmental conditions the outstanding advantages such as revision test repeatedly, become a kind of ideal of research altitude environment to engine and drive system performance impact thereof, the economic best approach.
Summary of the invention
The object of this invention is to provide the high height above sea level simulation test device of a kind of engine driven baric systerm, can to altitude environment to motor car engine performance impact provide rationally, theoretical foundation accurately.
For realizing the technical scheme that object of the present invention adopts, be: the high height above sea level simulation test device of a kind of engine driven baric systerm, is characterized in that comprising baric systerm and power system thereof;
Described power system comprises engine, the admission pressure simulation system being communicated with engine intake, discharge pressure simulation system, dynamometer machine and the engine control system being communicated with engine exhaust port; Described engine and dynamometer machine are coaxially installed, by the performance parameter of the indirect observing and controlling engine of engine control system;
Described baric systerm comprises that air compressor, air tank and the variable valve being connected between air compressor and air tank by pipeline thereof form; The air intake opening of described air compressor is connected with described admission pressure simulation system;
The air compressor of described baric systerm is by described engine driven.
Described admission pressure simulation system forms by air inlet pressure stabilizing chamber with the air inlet electric control valve being positioned on air inlet pressure stabilizing chamber entrance pipe, and the outlet of described air inlet pressure stabilizing chamber is communicated with the air intake opening of described engine intake and described air compressor by pipeline respectively.
Described discharge pressure simulation system consists of exhaust pressurizer tank, vacuum pump and the exhaust electric control valve that is connected between the outlet of exhaust pressurizer tank and vacuum pump by pipeline, described engine exhaust port is connected with heat exchanger, and the entrance of described heat exchanger and described exhaust pressurizer tank passes through pipeline connection.
Can control engine air intake opening and the environmental pressure at exhausr port position by described air inlet electric control valve and exhaust electric control valve, in order to the real atmosphere pressure in simulated high altitude area.
The course of work of the present invention and principle are: first, warm-up the engine, is released into air tank internal gas pressure identically with environment atmospheric pressure subsequently, and air compressor air intake opening is connected with air inlet pressure stabilizing chamber; Then, start vacuum pump, open the connection valve of air inlet pressure stabilizing chamber and exhaust pressurizer tank, reconcile air inlet electric control valve and exhaust electric control valve, simulate different height above sea level environment under low pressure, carry out air compressor plateau simulation test.By the performance change of engine and the baric systerm that drives thereof under test Different Altitude atmospheric pressure, mainly comprise that under Different Altitude atmospheric pressure, air tank air pressure reaches the parameters such as top pressure required time and charge flow rate since time, the air tank of 0 every rising 100kPa, the Performance on Plateau of the baric systerm that engine is power source is take in examination.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the high height above sea level simulation test device of engine driven baric systerm of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment:
Referring to accompanying drawing 1, the high height above sea level simulation test device of engine driven baric systerm of the present invention, is characterized in that comprising baric systerm and power system thereof.
Described power system comprises diesel engine 1 (engine), also be provided with dynamometer machine 2 and engine control system 3 for observing and controlling diesel engine 1 operating condition, described diesel engine 1 is coaxially installed with dynamometer machine 2, by the performance parameter of engine control system 3 indirect observing and controlling diesel engines 1;
Power system also comprises the admission pressure simulation system being communicated with the air intake opening of diesel engine 1, the discharge pressure simulation system being communicated with the exhausr port of diesel engine 1.
Admission pressure simulation system comprises air inlet pressure stabilizing chamber 4, air inlet electric control valve 5 is housed on the entrance pipe of air inlet pressure stabilizing chamber 4, air inlet electric control valve 5 can be controlled the air inflow of air inlet pressure stabilizing chamber 4, and the outlet of air inlet pressure stabilizing chamber 4 is communicated with the air intake opening of diesel engine 1 by pipeline.
Discharge pressure simulation system comprises exhaust pressurizer tank 6 and vacuum pump 7, between the outlet of exhaust pressurizer tank 6 and vacuum pump 7, exhaust electric control valve 8 is housed, and can regulate the air capacity of exhaust pressurizer tank 6 when vacuum pump 7 starts by exhaust electric control valve 8; The exhausr port of diesel engine 1 is connected with the air intake opening of heat exchanger 9, and described heat exchanger 9 passes through pipeline connection with the entrance of described exhaust pressurizer tank 6; The object of heat exchanger 9 is to reduce the delivery temperature of diesel engine 1, to meet vacuum pump 7 for the requirement of working temperature, below 50 ℃.
Described baric systerm comprises that air compressor 10, air tank 11 and the variable valve 12 being connected between air compressor 10 and air tank 11 by pipeline thereof form; The air intake opening of described air compressor 10 is communicated with air inlet pressure stabilizing chamber 4 exhausr ports by pipeline.The air compressor of part city mid-sales is the integrated variable valve that is provided with also, so just variable valve 12 needn't be installed separately again.The air compressor 10 of described baric systerm is arranged on described diesel engine 1, and the transmission of setting up baric systerm and engine system contacts, and just can drive air compressor 10 like this by diesel engine 1.
In above-mentioned simulation test device, at each pipeline position, the conventional pipeline instrument such as valve or pressure-indication means can be set as required, so that control, overhaul or gather real time data.
Principle of work: first, preheating diesel engine 1, is released into air tank 11 internal gas pressures identically with environment atmospheric pressure subsequently, and the air intake opening of air compressor 10 is connected with air inlet pressure stabilizing chamber 4; Then, start vacuum pump 7, open the connection valve of air inlet pressure stabilizing chamber 4 and exhaust pressurizer tank 6, regulate air inlet electric control valve 5 and exhaust electric control valve 8, simulate different height above sea level environment under low pressure, carry out air compressor plateau simulation test.By the performance change of engine and the baric systerm that drives thereof under test Different Altitude atmospheric pressure, mainly comprise that under Different Altitude atmospheric pressure, air tank air pressure reaches the parameters such as top pressure required time and charge flow rate since time, the air tank of 0 every rising 100kPa, the Performance on Plateau of the baric systerm that engine is power source is take in examination.
The technical indicator that in the present embodiment, simulation test device can be realized is:
(1) engine breathing pressure and air compressor admission pressure control system parameter: 101kPa～47kPa, Ya power is controlled Jing Du≤± 1.5kPa (buffer tank), and pressure regulates Shi Jian≤3min;
(2) tested engine maximum weight 1500kg, full admission amount 30m3/min.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. the high height above sea level simulation test device of engine driven baric systerm, is characterized in that: comprise baric systerm and power system thereof;
Described power system comprises engine, the admission pressure simulation system being communicated with engine intake, discharge pressure simulation system, dynamometer machine and the engine control system being communicated with engine exhaust port; Described engine and dynamometer machine are coaxially installed, by the performance parameter of the indirect observing and controlling engine of engine control system;
Described baric systerm comprises that air compressor, air tank and the variable valve being connected between air compressor and air tank by pipeline thereof form; The air intake opening of described air compressor is connected with described admission pressure simulation system;
The air compressor of described baric systerm is by described engine driven.
2. the high height above sea level simulation test device of engine driven baric systerm according to claim 1, it is characterized in that described admission pressure simulation system forms by air inlet pressure stabilizing chamber with the air inlet electric control valve being positioned on air inlet pressure stabilizing chamber entrance pipe, the outlet of described air inlet pressure stabilizing chamber is communicated with the air intake opening of described engine intake and described air compressor by pipeline respectively.
3. the high height above sea level simulation test device of engine driven baric systerm according to claim 1, it is characterized in that described discharge pressure simulation system consists of exhaust pressurizer tank, vacuum pump and the exhaust electric control valve that is connected between the outlet of exhaust pressurizer tank and vacuum pump by pipeline, described engine exhaust port is connected with heat exchanger, and the entrance of described heat exchanger and described exhaust pressurizer tank passes through pipeline connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310594289.XA CN103575540A (en) | 2013-11-22 | 2013-11-22 | High-altitude simulation test device of engine-driven pressure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310594289.XA CN103575540A (en) | 2013-11-22 | 2013-11-22 | High-altitude simulation test device of engine-driven pressure system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103575540A true CN103575540A (en) | 2014-02-12 |
Family
ID=50047796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310594289.XA Pending CN103575540A (en) | 2013-11-22 | 2013-11-22 | High-altitude simulation test device of engine-driven pressure system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103575540A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535332A (en) * | 2014-12-12 | 2015-04-22 | 江苏大学 | High-altitude atmospheric condition simulation test system of internal combustion engine |
| CN104977167A (en) * | 2015-07-01 | 2015-10-14 | 广州广电计量检测股份有限公司 | Multi-parameter engine altitude environment testing apparatus and method |
| CN105352735A (en) * | 2015-11-18 | 2016-02-24 | 河北华北柴油机有限责任公司 | Engine plateau air inlet simulation device |
| DE102017205995A1 (en) | 2017-04-07 | 2018-10-11 | Ford Global Technologies, Llc | High-altitude test device for combustion engines with atmospheric air consumption |
| CN109766592A (en) * | 2018-12-20 | 2019-05-17 | 中国北方车辆研究所 | Plateau becomes height above sea level operating condition armored vehicle chassis system design method |
| CN110186687A (en) * | 2019-06-24 | 2019-08-30 | 中车大连机车车辆有限公司 | Open type diesel engine air inlet system and exhaust system and its control method under simulated high altitude environment |
| CN110376329A (en) * | 2019-06-28 | 2019-10-25 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of change of current change insulating materials corrosion chamber and method of consideration altitude environment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6561014B1 (en) * | 2000-10-20 | 2003-05-13 | Delphi Technologies, Inc. | Altitude simulator for dynamometer testing |
| CN2927223Y (en) * | 2005-09-16 | 2007-07-25 | 宋兰庭 | Simulated test bed of PSA oxygen-making system under plateau artificial low-pressure environment |
| CN101738322A (en) * | 2009-12-21 | 2010-06-16 | 中国人民解放军军事交通学院 | Vehicle high altitude performance simulation test system |
| CN101788384A (en) * | 2009-12-21 | 2010-07-28 | 中国人民解放军军事交通学院 | Engine plateau environment laboratory |
| CN201600244U (en) * | 2009-12-21 | 2010-10-06 | 中国人民解放军军事交通学院 | Simulation device used for determining car performance at high altitude |
| CN101975661A (en) * | 2010-10-19 | 2011-02-16 | 中国人民解放军军事交通学院 | Heat-balance performance high-altitude simulation test table of engine |
| CN102032240A (en) * | 2010-10-18 | 2011-04-27 | 中国人民解放军军事交通学院 | High-altitude simulation test bed for engine-driven hydraulic lifting system |
| CN203688224U (en) * | 2013-11-22 | 2014-07-02 | 中国人民解放军军事交通学院 | Engine driven air pressure system high altitude simulation tester |
-
2013
- 2013-11-22 CN CN201310594289.XA patent/CN103575540A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6561014B1 (en) * | 2000-10-20 | 2003-05-13 | Delphi Technologies, Inc. | Altitude simulator for dynamometer testing |
| CN2927223Y (en) * | 2005-09-16 | 2007-07-25 | 宋兰庭 | Simulated test bed of PSA oxygen-making system under plateau artificial low-pressure environment |
| CN101738322A (en) * | 2009-12-21 | 2010-06-16 | 中国人民解放军军事交通学院 | Vehicle high altitude performance simulation test system |
| CN101788384A (en) * | 2009-12-21 | 2010-07-28 | 中国人民解放军军事交通学院 | Engine plateau environment laboratory |
| CN201600244U (en) * | 2009-12-21 | 2010-10-06 | 中国人民解放军军事交通学院 | Simulation device used for determining car performance at high altitude |
| CN102032240A (en) * | 2010-10-18 | 2011-04-27 | 中国人民解放军军事交通学院 | High-altitude simulation test bed for engine-driven hydraulic lifting system |
| CN101975661A (en) * | 2010-10-19 | 2011-02-16 | 中国人民解放军军事交通学院 | Heat-balance performance high-altitude simulation test table of engine |
| CN203688224U (en) * | 2013-11-22 | 2014-07-02 | 中国人民解放军军事交通学院 | Engine driven air pressure system high altitude simulation tester |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535332A (en) * | 2014-12-12 | 2015-04-22 | 江苏大学 | High-altitude atmospheric condition simulation test system of internal combustion engine |
| CN104977167A (en) * | 2015-07-01 | 2015-10-14 | 广州广电计量检测股份有限公司 | Multi-parameter engine altitude environment testing apparatus and method |
| CN105352735A (en) * | 2015-11-18 | 2016-02-24 | 河北华北柴油机有限责任公司 | Engine plateau air inlet simulation device |
| DE102017205995A1 (en) | 2017-04-07 | 2018-10-11 | Ford Global Technologies, Llc | High-altitude test device for combustion engines with atmospheric air consumption |
| DE102017205995B4 (en) | 2017-04-07 | 2022-10-06 | Ford Global Technologies, Llc | Test device for simulating operation of an engine at high altitude and method for operating such a test device |
| CN109766592A (en) * | 2018-12-20 | 2019-05-17 | 中国北方车辆研究所 | Plateau becomes height above sea level operating condition armored vehicle chassis system design method |
| CN110186687A (en) * | 2019-06-24 | 2019-08-30 | 中车大连机车车辆有限公司 | Open type diesel engine air inlet system and exhaust system and its control method under simulated high altitude environment |
| CN110376329A (en) * | 2019-06-28 | 2019-10-25 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of change of current change insulating materials corrosion chamber and method of consideration altitude environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103575540A (en) | High-altitude simulation test device of engine-driven pressure system | |
| CN102023096B (en) | Internal-flow high-altitude simulation test device and test method of aviation piston engine | |
| CN101672729B (en) | High-altitude and low-pressure characteristic simulation test station of air compressor in internal-combustion engine | |
| CN104634578B (en) | Aviation turbocharging internal-combustion engines full ambient engine altitude test system and test method | |
| CN101788384B (en) | Engine plateau environment laboratory | |
| CN102221467B (en) | High-altitude simulation testing system for piston engine | |
| US9470150B2 (en) | Gas turbine power augmentation system | |
| CN203688224U (en) | Engine driven air pressure system high altitude simulation tester | |
| CN208672312U (en) | The low-temp low-pressure experimental cabin of simulated altitude | |
| CN101171419B (en) | Control of induction system hydrocarbon emissions | |
| CN102818706B (en) | Simulating test method for plateau performance of supercharged engine and device for implementing simulating test method | |
| CN101738322A (en) | Vehicle high altitude performance simulation test system | |
| CN101713346A (en) | Thermal-protection based engine performance enhancement | |
| CN202886106U (en) | Submarine large-power diesel engine overland test device | |
| CN1437010A (en) | Internal combustion engine performance low-pressure simulating test stage | |
| CN111894882A (en) | Variable-altitude two-stage centrifugal compressor characteristic test system | |
| CN201600244U (en) | Simulation device used for determining car performance at high altitude | |
| CN203083828U (en) | Plateau performance simulation test system of engine oxygen enrichment combustion-supporting device | |
| CN202451313U (en) | Accessory supercharging system for diesel rack testing | |
| CN201705756U (en) | Testing system of airplane hydraulic power conversion device | |
| CN102434333A (en) | Auxiliary pressurization system for diesel engine bench test and using method of auxiliary pressurization system | |
| CN110927575A (en) | High-altitude performance simulation test bed for generator set | |
| CN101825030A (en) | The method and apparatus that is used for the operation errors of definite high pressure fuel pump | |
| CN201858217U (en) | High-altitude simulation test device of engine-driven hydraulic lifting system | |
| CN203587314U (en) | Vacuum device with heat exchange function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140212 |
|
| RJ01 | Rejection of invention patent application after publication |