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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 PDF

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Publication number
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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pressure regulating
air
regulating tank
pressure
valve
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CN107192557A (en
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吴亚龙
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Henan Diesel Engine Industry Co Ltd
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Henan Diesel Engine Industry Co Ltd
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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
    • 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
    • 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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  • Physics & Mathematics (AREA)
  • 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

一种高速内燃机模拟增压系统试验装置A high-speed internal combustion engine simulated supercharging system test device

技术领域technical field

本发明内燃机试验技术领域，主要涉及一种高速内燃机模拟增压系统试验装置。The technical field of internal combustion engine test of the present invention mainly relates to a high-speed internal combustion engine simulated booster system test device.

背景技术Background technique

内燃机是一种将液体或气体燃料与空气混合后，直接输入气缸内部的高压燃烧室燃烧爆发产生动力的热力发动机，内燃机每作一次功完成进气、压缩、作功和排气四个过程。在内燃机模拟增压系统试验装置中，压缩空气经过加热箱加热后，温度升高，进入气缸时气流有波动，气压不稳定；作功完毕，从气缸内排出的气体进入调压罐，然后经过调压阀和背压阀排出，但是从气缸出来的气体温度大约为600℃，很容易将调压阀烧坏。The internal combustion engine is a heat engine that mixes liquid or gaseous fuel with air and directly inputs it into the high-pressure combustion chamber inside the cylinder for combustion and explosion to generate power. The internal combustion engine completes the four processes of intake, compression, work and exhaust every time it performs work. In the test device for the simulated booster system of the internal combustion engine, after the compressed air is heated by the heating box, the temperature rises, the air flow fluctuates when entering the cylinder, and the air pressure is unstable; after the work is completed, the gas discharged from the cylinder enters the pressure regulating tank, and then passes The pressure regulating valve and the back pressure valve are discharged, but the temperature of the gas coming out of the cylinder is about 600°C, so it is easy to burn out the pressure regulating valve.

发明内容Contents of the invention

为解决上述技术问题，本发明的目的是提出种高速内燃机模拟增压系统试验装置。In order to solve the above-mentioned technical problems, the object of the invention is to propose a high-speed internal combustion engine simulation supercharging system test device.

本发明为解决上述技术问题采用如下技术方案：The present invention adopts following technical scheme for solving the problems of the technologies described above:

一种高速内燃机模拟增压系统试验装置，所述的试验装置具有加热箱；所述加热箱的进气口与空气压缩机相连通，并在加热箱进气口与空气压缩机之间设置调压阀Ⅰ；所述加热箱的出气管路为两条，其中一条支路连接用以减小气流波动的稳压罐，另一条支路上设置有泄流阀，所述稳压罐的出气口连接气缸；所述气缸的输出端连接有调压罐，所述调压罐上套置有水冷套，所述水冷套的进水口位于调压罐的近出口端，出水口位于调压罐的近进口端；设置在调压罐上所述水冷套的冷却水由调压罐的近出口端向进口端循环构成与调压罐内空气的流动方向相反的逆流循环；所述调压罐的出口端连接出气管道；所述的输气管道上设置有背压阀，且所述的背压阀与调压罐之间的管道上还设有调压阀Ⅱ。A high-speed internal combustion engine simulated supercharged system test device, the test device has a heating box; the air inlet of the heating box is connected to the air compressor, and a regulating valve is set between the heating box air inlet and the air compressor. Pressure valve I; there are two gas outlet pipelines of the heating box, one of which is connected to a surge tank for reducing air flow fluctuations, and a discharge valve is arranged on the other branch, and the gas outlet of the surge tank Connect the cylinder; the output end of the cylinder is connected with a pressure regulating tank, the pressure regulating tank is sleeved with a water cooling jacket, the water inlet of the water cooling jacket is located at the near outlet end of the pressure regulating tank, and the water outlet is located at the end of the pressure regulating tank Close to the inlet end; the cooling water arranged on the water-cooled jacket on the pressure regulating tank is circulated from the near outlet end of the pressure regulating tank to the inlet end to form a countercurrent circulation opposite to the flow direction of the air in the pressure regulating tank; The outlet end is connected to the gas outlet pipeline; the gas pipeline is provided with a back pressure valve, and the pipeline between the back pressure valve and the pressure regulating tank is also provided with a pressure regulating valve II.

本发明提出的一种高速内燃机模拟增压系统试验装置，通过设置稳压罐，有效减小了气流的波动，使气压稳定在一定范围内，且在加热箱与稳压罐之间设置支路，通过泄流阀调节气压，起到溢流作用；整个装置能够多级调压，使气流更加稳定，保证了装置的正常、高效运行；调压罐上采用了逆流循环冷却水的水冷装置，有效降低了从气缸出来的高温气体的温度，保护调压阀不被烧坏。A high-speed internal combustion engine simulated pressurization system test device proposed by the present invention effectively reduces the fluctuation of the air flow by setting a surge tank, so that the air pressure is stabilized within a certain range, and a branch is set between the heating box and the surge tank , adjust the air pressure through the relief valve to play the role of overflow; the whole device can adjust the pressure in multiple stages to make the air flow more stable and ensure the normal and efficient operation of the device; the pressure regulating tank adopts a water cooling device with countercurrent circulating cooling water, It effectively reduces the temperature of the high-temperature gas coming out of the cylinder, and protects the pressure regulating valve from being burned out.

附图说明Description of drawings

图1为本发明的结构示意图；Fig. 1 is a structural representation of the present invention;

图中：1、空气压缩机，2、调压阀Ⅰ，3、加热箱，4、泄流阀，5、稳压罐，6、气缸，7、水冷套，8、调压罐，9、调压阀Ⅱ，10、背压阀。In the figure: 1. Air compressor, 2. Pressure regulating valve Ⅰ, 3. Heating box, 4. Drain valve, 5. Pressure regulator tank, 6. Cylinder, 7. Water cooling jacket, 8. Pressure regulating tank, 9. Pressure regulating valve II, 10, back pressure valve.

具体实施方式Detailed ways

以下结合附图和具体实施方式对本发明做进一步说明：The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

如图1所示：一一种高速内燃机模拟增压系统试验装置，所述的试验装置具有加热箱3；所述加热箱3的进气口与空气压缩机1相连通，并在加热箱3进气口与空气压缩机1之间设置调压阀Ⅰ2；所述加热箱3的出气管路为两条，其中一条支路连接用以减小气流波动的稳压罐5，另一条支路上设置有泄流阀4，所述稳压罐5的出气口连接气缸；所述气缸的输出端连接有调压罐8，所述调压罐8上套置有水冷套7，所述水冷套7的进水口位于调压罐8的近出口端，出水口位于调压罐8的近进口端；设置在调压罐8上所述水冷套7的冷却水由调压罐的近出口端向进口端循环构成与调压罐内空气的流动方向相反的逆流循环；所述调压罐8的出口端连接出气管道；所述的输气管道上设置有背压阀10，且所述的背压阀与调压罐之间的管道上还设有调压阀Ⅱ9。As shown in Figure 1: a kind of high-speed internal-combustion engine simulation supercharging system test device, described test device has heating box 3; A pressure regulating valve I2 is set between the air inlet and the air compressor 1; there are two outlet pipelines of the heating box 3, one of which is connected to the surge tank 5 for reducing airflow fluctuations, and the other is connected to the A discharge valve 4 is provided, and the air outlet of the surge tank 5 is connected to the cylinder; the output end of the cylinder is connected to a pressure regulating tank 8, and a water cooling jacket 7 is set on the pressure regulating tank 8, and the water cooling jacket The water inlet of 7 is positioned at the near outlet end of pressure regulating tank 8, and the water outlet is positioned at the near inlet end of pressure regulating tank 8; The inlet end circulation constitutes a countercurrent circulation opposite to the flow direction of the air in the pressure regulating tank; the outlet end of the pressure regulating tank 8 is connected to the gas outlet pipeline; the gas pipeline is provided with a back pressure valve 10, and the back A pressure regulating valve II9 is also arranged on the pipeline between the pressure valve and the pressure regulating tank.

压缩空气通过空气压缩机1压缩后进入本装置的气体管道，经过调压阀Ⅰ2第一次调压进入加热箱3进行加热，然后通过泄流阀4的溢流作用再次调压，输送到稳压罐5内进行稳压后进入气缸6，在气缸6内进行一系列作功后将气体排进调压罐8内，调压罐8上设置有水冷装置7，水冷装置为冷却水逆流循环系统，通过逆流冷却水将气缸6排出的高温气体冷却；最后，已降温的气体依次经过调压阀Ⅱ9和背压阀10从空气出口排出。The compressed air enters the gas pipeline of the device after being compressed by the air compressor 1, enters the heating box 3 for heating through the pressure regulating valve I2 for the first time, and then adjusts the pressure again through the overflow function of the discharge valve 4, and transports it to the steady state. After the pressure is stabilized in the pressure tank 5, it enters the cylinder 6. After a series of work in the cylinder 6, the gas is discharged into the pressure regulating tank 8. The pressure regulating tank 8 is equipped with a water cooling device 7, and the water cooling device is a countercurrent circulation of cooling water. system, the high-temperature gas discharged from the cylinder 6 is cooled by countercurrent cooling water; finally, the cooled gas is discharged from the air outlet through the pressure regulating valve II9 and the back pressure valve 10 in sequence.

本发明设置稳压罐5，能有效减小气流的波动，使气压稳定在一定范围内，且在加热箱3与稳压罐5之间设置支路，通过泄流阀4调节气压，起到溢流作用；整个装置能够多级调压，使气流更加稳定，保证了装置的正常、高效运行。本装置的调压罐8上设置了逆流循环冷却水的水冷装置，能有效降低从气缸出来的高温气体的温度，保护调压阀Ⅱ9不被烧坏。The present invention arranges the surge tank 5, which can effectively reduce the fluctuation of the air flow, stabilize the air pressure within a certain range, and set up a branch between the heating box 3 and the surge tank 5, adjust the air pressure through the discharge valve 4, and play a role Overflow function; the whole device can adjust the pressure in multiple stages to make the air flow more stable and ensure the normal and efficient operation of the device. The pressure regulating tank 8 of the device is provided with a water cooling device for countercurrent circulating cooling water, which can effectively reduce the temperature of the high-temperature gas coming out of the cylinder, and protect the pressure regulating valve II 9 from being burned out.

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.
CN201710554996.4A 2017-07-10 2017-07-10 Test device for high-speed internal combustion engine simulation pressurization system Active CN107192557B (en)

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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

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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
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