CN107192557B - Test device for high-speed internal combustion engine simulation pressurization system - Google Patents
Test device for high-speed internal combustion engine simulation pressurization system Download PDFInfo
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- CN107192557B CN107192557B CN201710554996.4A CN201710554996A CN107192557B CN 107192557 B CN107192557 B CN 107192557B CN 201710554996 A CN201710554996 A CN 201710554996A CN 107192557 B CN107192557 B CN 107192557B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Testing Of Engines (AREA)
Abstract
The invention belongs to the technical field of internal combustion engine tests and provides a test device for a high-speed internal combustion engine simulation supercharging system. The provided test device for the high-speed internal combustion engine simulation pressurization system is provided with a heating box; an air inlet of the heating box is communicated with the air compressor through a pressure regulating valve I, two air outlet pipelines of the heating box are arranged, one branch is connected with the pressure stabilizing tank, the other branch is provided with a flow discharging valve, and an air outlet of the pressure stabilizing tank is connected with the air cylinder; the output end of the air cylinder is connected with a pressure regulating tank, a water cooling sleeve is sleeved on the pressure regulating tank, a water inlet of the water cooling sleeve is positioned at the near-outlet end of the pressure regulating tank, and a water outlet of the water cooling sleeve is positioned at the near-inlet end of the pressure regulating tank; the outlet end of the pressure regulating tank is connected with an air outlet pipeline; the gas pipeline is provided with a back pressure valve, and a pressure regulating valve II is arranged on the pipeline between the back pressure valve and the pressure regulating tank. The invention effectively reduces the fluctuation of air flow, effectively reduces the temperature of high-temperature air from the air cylinder, and protects the pressure regulating valve from being burnt.
Description
Technical Field
The invention belongs to the technical field of internal combustion engine tests, and mainly relates to a test device for a high-speed internal combustion engine simulation supercharging system.
Background
The internal combustion engine is a heat engine which directly inputs liquid or gas fuel and air into a high-pressure combustion chamber in a cylinder to generate power after combustion burst, and the internal combustion engine performs four processes of air intake, compression, work and exhaust every time work is done. In the test device of the internal combustion engine simulation pressurizing system, after compressed air is heated by a heating box, the temperature is increased, the air flow fluctuates when entering a cylinder, and the air pressure is unstable; after the work is finished, the gas exhausted from the cylinder enters the pressure regulating tank and is exhausted through the pressure regulating valve and the back pressure valve, but the temperature of the gas exhausted from the cylinder is about 600 ℃, so that the pressure regulating valve is easily burnt out.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a test device for a high-speed internal combustion engine simulation supercharging system.
The invention adopts the following technical scheme for solving the technical problems:
a test device of a high-speed internal combustion engine simulation pressurization system is provided with a heating box; the air inlet of the heating box is communicated with the air compressor, and a pressure regulating valve I is arranged between the air inlet of the heating box and the air compressor; the air outlet pipeline of the heating box is two, one branch is connected with a pressure stabilizing tank for reducing air flow fluctuation, the other branch is provided with a discharge valve, and the air outlet of the pressure stabilizing tank is connected with an air cylinder; the output end of the air cylinder is connected with a pressure regulating tank, a water cooling jacket is sleeved on the pressure regulating tank, a water inlet of the water cooling jacket is positioned at the near-outlet end of the pressure regulating tank, and a water outlet of the water cooling jacket is positioned at the near-inlet end of the pressure regulating tank; the cooling water of the water cooling jacket arranged on the pressure regulating tank circulates from the near outlet end of the pressure regulating tank to the inlet end to form countercurrent circulation opposite to the flowing direction of air in the pressure regulating tank; the outlet end of the pressure regulating tank is connected with an air outlet pipeline; the gas pipeline is provided with a back pressure valve, and a pressure regulating valve II is arranged on the pipeline between the back pressure valve and the pressure regulating tank.
According to the test device for the high-speed internal combustion engine simulation pressurization system, provided by the invention, the fluctuation of air flow is effectively reduced by arranging the pressure stabilizing tank, so that the air pressure is stabilized in a certain range, and the branch is arranged between the heating box and the pressure stabilizing tank, and the air pressure is regulated by the relief valve, so that the overflow effect is realized; the whole device can regulate the pressure in multiple stages, so that the air flow is more stable, and the normal and efficient operation of the device is ensured; the water cooling device of countercurrent circulating cooling water is adopted on the pressure regulating tank, so that the temperature of high-temperature gas from the cylinder is effectively reduced, and the pressure regulating valve is protected from being burnt.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
in the figure: 1. the air compressor, 2, the air-vent valve I, 3, the heating cabinet, 4, the bleeder valve, 5, the surge tank, 6, the cylinder, 7, the water cooling jacket, 8, the surge tank, 9, the air-vent valve II, 10, backpressure valve.
Detailed Description
The invention is further described with reference to the drawings and detailed description which follow:
as shown in fig. 1: a test device for a high-speed internal combustion engine simulation pressurizing system, wherein the test device is provided with a heating box 3; the air inlet of the heating box 3 is communicated with the air compressor 1, and a pressure regulating valve I2 is arranged between the air inlet of the heating box 3 and the air compressor 1; the air outlet pipeline of the heating box 3 is two, one branch is connected with a pressure stabilizing tank 5 for reducing air flow fluctuation, the other branch is provided with a discharge valve 4, and the air outlet of the pressure stabilizing tank 5 is connected with an air cylinder; the output end of the air cylinder is connected with a pressure regulating tank 8, a water cooling jacket 7 is sleeved on the pressure regulating tank 8, a water inlet of the water cooling jacket 7 is positioned at the near-outlet end of the pressure regulating tank 8, and a water outlet of the water cooling jacket is positioned at the near-inlet end of the pressure regulating tank 8; the cooling water of the water cooling jacket 7 arranged on the pressure regulating tank 8 circulates from the near outlet end of the pressure regulating tank to the inlet end to form countercurrent circulation opposite to the flow direction of air in the pressure regulating tank; the outlet end of the pressure regulating tank 8 is connected with an air outlet pipeline; the gas pipeline is provided with a back pressure valve 10, and a pressure regulating valve II 9 is arranged on the pipeline between the back pressure valve and the pressure regulating tank.
Compressed air enters a gas pipeline of the device after being compressed by the air compressor 1, enters the heating box 3 for heating through the pressure regulation valve I2 for the first time, is regulated in pressure again through the overflow effect of the discharge valve 4, is conveyed into the pressure stabilizing tank 5 for stabilizing pressure and enters the air cylinder 6, a series of work is performed in the air cylinder 6, the gas is discharged into the pressure regulating tank 8, the pressure regulating tank 8 is provided with the water cooling device 7, the water cooling device is a cooling water countercurrent circulation system, and the high-temperature gas discharged by the air cylinder 6 is cooled through countercurrent cooling water; finally, the cooled gas is discharged from the air outlet through the pressure regulating valve II 9 and the back pressure valve 10 in sequence.
The pressure stabilizing tank 5 is arranged, so that the fluctuation of air flow can be effectively reduced, the air pressure is stabilized within a certain range, and a branch is arranged between the heating box 3 and the pressure stabilizing tank 5, and the air pressure is regulated through the bleeder valve 4 to play a role of overflow; the whole device can regulate the pressure in multiple stages, so that the air flow is more stable, and the normal and efficient operation of the device is ensured. The water cooling device of countercurrent circulating cooling water is arranged on the pressure regulating tank 8 of the device, so that the temperature of high-temperature gas coming out of the air cylinder can be effectively reduced, and the pressure regulating valve II 9 is protected from being burnt.
Claims (1)
1. A test device for a high-speed internal combustion engine simulation pressurization system is characterized in that: the test device is provided with a heating box; the air inlet of the heating box is communicated with the air compressor, and a pressure regulating valve I is arranged between the air inlet of the heating box and the air compressor; the air outlet pipeline of the heating box is two, one branch is connected with a pressure stabilizing tank for reducing air flow fluctuation, the other branch is provided with a discharge valve, and the air outlet of the pressure stabilizing tank is connected with an air cylinder; the output end of the air cylinder is connected with a pressure regulating tank, a water cooling jacket is sleeved on the pressure regulating tank, a water inlet of the water cooling jacket is positioned at the near-outlet end of the pressure regulating tank, and a water outlet of the water cooling jacket is positioned at the near-inlet end of the pressure regulating tank; the cooling water of the water cooling jacket arranged on the pressure regulating tank circulates from the near outlet end of the pressure regulating tank to the inlet end to form countercurrent circulation opposite to the flowing direction of air in the pressure regulating tank; the outlet end of the pressure regulating tank is connected with an air outlet pipeline; the back pressure valve is arranged on the air outlet pipeline, and the pressure regulating valve II is also arranged on the pipeline between the back pressure valve and the pressure regulating tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710554996.4A CN107192557B (en) | 2017-07-10 | 2017-07-10 | Test device for high-speed internal combustion engine simulation pressurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710554996.4A CN107192557B (en) | 2017-07-10 | 2017-07-10 | Test device for high-speed internal combustion engine simulation pressurization system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107192557A CN107192557A (en) | 2017-09-22 |
| CN107192557B true CN107192557B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710554996.4A Active CN107192557B (en) | 2017-07-10 | 2017-07-10 | Test device for high-speed internal combustion engine simulation pressurization system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112065602A (en) * | 2020-08-27 | 2020-12-11 | 西安石大能源股份有限公司 | Heat recycling device for vented combustible gas |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808516A (en) * | 2014-01-27 | 2014-05-21 | 中国北方发动机研究所(天津) | Simulated supercharged air intake system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5834505B2 (en) * | 2011-06-03 | 2015-12-24 | いすゞ自動車株式会社 | Supercharging assist method for internal combustion engine and internal combustion engine |
| CN102434333B (en) * | 2011-11-25 | 2013-09-25 | 河南柴油机重工有限责任公司 | Auxiliary pressurization system for diesel engine bench test and using method of auxiliary pressurization system |
| CN203321907U (en) * | 2013-05-24 | 2013-12-04 | 重庆前卫海洋石油工程设备有限责任公司 | Air pressure pressurization system and air pressure detecting device with air pressure pressurization system |
| CN104234820B (en) * | 2014-09-09 | 2016-08-17 | 成都科林沃德动力科技有限公司 | A kind of two turbocharging systems test device and method of testing thereof |
| CN207263436U (en) * | 2017-07-10 | 2018-04-20 | 河南柴油机重工有限责任公司 | A kind of high-speed internal combustion engine simulates pressure charging system experimental rig |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808516A (en) * | 2014-01-27 | 2014-05-21 | 中国北方发动机研究所(天津) | Simulated supercharged air intake system |
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| CN107192557A (en) | 2017-09-22 |
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