CN110455507B - Turbocharger acceleration test device and method - Google Patents
Turbocharger acceleration test device and method Download PDFInfo
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- CN110455507B CN110455507B CN201910725380.8A CN201910725380A CN110455507B CN 110455507 B CN110455507 B CN 110455507B CN 201910725380 A CN201910725380 A CN 201910725380A CN 110455507 B CN110455507 B CN 110455507B
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- pressure
- way valve
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- regulating valve
- turbine
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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
- G01M13/00—Testing of machine parts
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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
- G01M15/14—Testing gas-turbine engines or jet-propulsion engines
Abstract
The invention provides a turbocharger acceleration test device, which comprises an air compressor, a heater, a pressure-resistant tank, a regulating valve, a three-way valve, a one-way valve, a back pressure regulating valve and a pressure sensor, wherein the air compressor is connected with the heater; the air compressor is connected with the pressure tank through a heater, the pressure tank is connected with the inlet of the three-way valve through a regulating valve, and two outlets of the three-way valve are respectively connected with the inlet of the turbine and the smoke exhaust pipe; the outlet of the turbine is connected with the smoke exhaust pipe; and a safety valve is arranged on the pressure tank, and the pressure sensor is arranged on the back pipeline of the gas compressor. In the experimental process of the testing device, the time from the opening of the three-way valve to the pressure reaching the preset value of the pressure sensor is measured, so that the function of evaluating and comparing the acceleration of different turbochargers can be realized, the experimental principle is simple, and the device is simple in structure and easy to realize.
Description
Technical Field
The invention belongs to the technical field of electromechanics, and particularly relates to a turbocharger acceleration test device and method.
Background
In the prior art, the acceleration performance of the turbocharger is an important index for evaluating the turbocharger, but the conventional test device and method for evaluating the acceleration performance of the turbocharger are complex, and the evaluation method needs to be calculated and is very complicated.
Disclosure of Invention
In view of the above, the present invention is directed to a turbocharger acceleration test apparatus and method, so as to provide a simple and convenient turbocharger acceleration test apparatus and method.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention provides a turbocharger acceleration test device on one hand, which comprises an air compressor, a heater, a pressure-resistant tank, a regulating valve, a three-way valve, a one-way valve, a back pressure regulating valve and a pressure sensor, wherein the air compressor is connected with the heater; the air compressor is connected with the pressure tank through a heater, the pressure tank is connected with the inlet of the three-way valve through a regulating valve, and two outlets of the three-way valve are respectively connected with the inlet of the turbine and the smoke exhaust pipe; the outlet of the turbine is connected with the smoke exhaust pipe; and a safety valve is arranged on the pressure tank, and the pressure sensor is arranged on the back pipeline of the gas compressor.
Further, a back pipeline of the air compressor is connected with the pressure-resistant tank through a back pressure regulating valve and a one-way valve in sequence, and air can only flow to the pressure-resistant tank from the back pressure regulating valve.
The invention also provides a method for carrying out an acceleration test on a turbocharger by adopting the acceleration test device for the turbocharger, which comprises the following steps:
1) presetting the pressure of the safety valve, the opening of the regulating valve, the opening of the back pressure regulating valve and the pressure value of the pressure sensor, and communicating the outlet of the three-way valve with the smoke exhaust pipe;
2) rapidly switching the three-way valve to enable an outlet of the three-way valve to be communicated with an inlet of the turbine, supplying gas to the turbine, accelerating a turbine rotor and timing;
3) when the pressure of the pressure sensor reaches a preset value after the gas compressor is detected, immediately controlling the three-way valve to switch, communicating the outlet of the three-way valve with the smoke exhaust pipe, and timing;
4) the time elapsed from the opening of the three-way valve until the pressure sensor pressure reaches a preset value is measured.
Compared with the prior art, the device and the method have the following advantages:
(1) according to the test device and the test method, the time from the opening of the three-way valve to the time when the pressure of the pressure sensor reaches the preset value is measured in the test process, the function of evaluating and comparing the acceleration of different turbochargers can be realized, the test principle is simple, the structure of the device is simple and easy to realize, and the test method is simple.
(2) In the test process, air after the air compressor flows into the pressure-resistant tank through the one-way valve, so that the reduction range of the air pressure of the pressure-resistant tank is reduced, and the stability of the test system is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of a turbocharger acceleration test device according to an embodiment of the invention.
Description of reference numerals:
the system comprises a three-way valve 1, an air compressor 2, a heater 3, a pressure-resistant tank 4, a safety valve 5, a check valve 6, a back pressure regulating valve 7, a regulating valve 8, a pressure sensor 9, an air compressor 10, a turbine 11 and a smoke exhaust pipe 12.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the turbocharger acceleration test device of the present embodiment includes an air compressor 2, a heater 3, a pressure tank 4, a regulating valve 8, a three-way valve 1, a check valve 6, a back pressure regulating valve 7, a pressure sensor 9, an air compressor 10, a turbine 11, and the like;
the air compressor 2 is connected with the heater 3, the heater 3 is connected with the pressure-resistant tank 4, the pressure-resistant tank 4 is connected with the regulating valve 8, the regulating valve 8 is connected with the inlet of the three-way valve 1, and two outlets of the three-way valve 1 are respectively connected with the inlet of the turbine 11 and the smoke exhaust pipe 12; the outlet of the turbine 11 is connected with the smoke exhaust pipe 12; the turbine 11 is coaxially connected with the compressor 10; a safety valve 5 is arranged on the pressure-resistant tank 4; the pressure sensor 9 is arranged on a rear pipeline of the compressor 10. The controller controls the three-way valve 1 to work, a preset pressure value is set, data of the pressure sensor 9 are collected, whether the pressure reaches the preset value is judged, and if the pressure reaches the preset value, the three-way valve 1 is controlled to work.
In another preferred embodiment, the back of the compressor 10 is connected with the back pressure regulating valve 7, the back of the back pressure regulating valve 7 is connected with the one-way valve 6, the back of the one-way valve 6 is connected with the pressure-resistant tank 4, and gas can only flow from the back pressure regulating valve 7 to the pressure-resistant tank 4. Air after the air compressor flows into the pressure-resistant tank through the one-way valve, so that the reduction range of the air pressure of the pressure-resistant tank is reduced, and the stability of the test system is improved.
The method for carrying out the accelerated test by the test device comprises the following steps:
1) the pressure of the safety valve 5, the opening degree of the regulating valve 8, the opening degree of the back pressure regulating valve 7 and the pressure value (preset value) of the pressure sensor 9 are preset, so that the outlet of the three-way valve 1 is communicated with the smoke exhaust pipe 12;
2) rapidly switching the three-way valve 1 to enable an outlet of the three-way valve 1 to be communicated with an inlet of the turbine 11, supplying air to the turbine and accelerating a turbine rotor;
3) when the pressure of the pressure sensor 9 reaches a preset value after the compressor is detected, immediately controlling the three-way valve 1 to switch, so that the outlet of the three-way valve 1 is communicated with the smoke exhaust pipe 12;
4) and measuring the time from the opening of the three-way valve 1 to the pressure of the pressure sensor 9 reaching a preset value in the test process, and evaluating and comparing the acceleration of different turbochargers.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (2)
1. The utility model provides a turbo charger acceleration nature test device which characterized in that: comprises an air compressor (2), a heater (3), a pressure tank (4), a regulating valve (8), a three-way valve (1), a one-way valve (6), a back pressure regulating valve (7) and a pressure sensor (9);
the air compressor (2) is connected with the pressure-resistant tank (4) through a heater (3), the pressure-resistant tank (4) is connected with an inlet of the three-way valve (1) through a regulating valve (8), and two outlets of the three-way valve (1) are respectively connected with an inlet of a turbine (11) and a smoke exhaust pipe (12); the outlet of the turbine (11) is connected with the smoke exhaust pipe (12); a safety valve (5) is arranged on the pressure tank (4), and the pressure sensor (9) is arranged on a pipeline behind the compressor (10); the back pipeline of the compressor (10) is connected with the pressure-resistant tank (4) through a back pressure regulating valve (7) and a one-way valve (6) in sequence, and gas can only flow to the pressure-resistant tank (4) from the back pressure regulating valve (7).
2. A method of conducting turbocharger acceleration tests using the apparatus of claim 1, characterized by the steps of:
(1) the pressure of the safety valve (5), the opening degree of the regulating valve (8), the opening degree of the back pressure regulating valve (7) and the pressure value of the pressure sensor (9) are preset, so that the outlet of the three-way valve (1) is communicated with the smoke exhaust pipe (12);
(2) rapidly switching the three-way valve (1), enabling an outlet of the three-way valve (1) to be communicated with an inlet of the turbine (11), supplying air to the turbine, accelerating a turbine rotor and timing;
(3) when the pressure of the pressure sensor (9) reaches a preset value after the compressor is detected, immediately controlling the three-way valve (1) to switch, communicating the outlet of the three-way valve (1) with the smoke exhaust pipe (12), and timing;
(4) the time elapsed from the opening of the three-way valve (1) until the pressure of the pressure sensor (9) reaches a preset value is measured.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725380.8A CN110455507B (en) | 2019-08-07 | 2019-08-07 | Turbocharger acceleration test device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910725380.8A CN110455507B (en) | 2019-08-07 | 2019-08-07 | Turbocharger acceleration test device and method |
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| CN110455507A CN110455507A (en) | 2019-11-15 |
| CN110455507B true CN110455507B (en) | 2021-05-28 |
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| CN201910725380.8A Active CN110455507B (en) | 2019-08-07 | 2019-08-07 | Turbocharger acceleration test device and method |
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| CN113390627B (en) * | 2021-06-30 | 2022-11-15 | 四川航天烽火伺服控制技术有限公司 | Pressure reducing valve centrifugal overload test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60240829A (en) * | 1984-05-15 | 1985-11-29 | Nissan Motor Co Ltd | Acceleration detecting device for engine with turbocharger |
| CN2206955Y (en) * | 1994-07-29 | 1995-09-06 | 铁道部大连内燃机车研究所 | Energy-saving leaving factroy testing device for waste gas turbine booster |
| US7380445B2 (en) * | 2006-06-30 | 2008-06-03 | International Engine Intellectual Property Company, Llc | Turbocharger performance qualification method and apparatus |
| JP2008082960A (en) * | 2006-09-28 | 2008-04-10 | Toyota Motor Corp | Tester of turbo charger |
| CN103487251B (en) * | 2013-10-18 | 2015-11-18 | 福州大学 | Based on electrically heated turbosupercharger check test platform and turbocharger performance test method |
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