CN106680128B - Cold and hot impact testing system for detecting service life of air intercooler - Google Patents
Cold and hot impact testing system for detecting service life of air intercooler Download PDFInfo
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- CN106680128B CN106680128B CN201611227066.XA CN201611227066A CN106680128B CN 106680128 B CN106680128 B CN 106680128B CN 201611227066 A CN201611227066 A CN 201611227066A CN 106680128 B CN106680128 B CN 106680128B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/60—Investigating resistance of materials, e.g. refractory materials, to rapid heat changes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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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
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- Y02T10/12—Improving ICE efficiencies
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a cold and hot impact testing system for detecting the service life of an air intercooler, which comprises an air compressor, wherein the air compressor is connected with an inlet of an air storage tank, an outlet of the air storage tank is connected with an inlet of a test piece through a high-temperature loop, a low-temperature loop and a heat storage bypass for circularly supplying heat to the interior of a heat storage water tank are also connected in parallel on the high-temperature loop, a fan is also arranged on the high-temperature loop, and an outlet of the test piece is also connected with a heat exchanger through a test pipeline. The invention has simple structure and convenient use, only one air compressor is needed to provide a high-pressure air source, the number of the test samples is not limited by even numbers, the input cost of the air compressor, the pipeline, the valve and other parts is saved, the heat energy recovery is realized by arranging the Roots blower and the heat storage water tank in the high-temperature loop, and meanwhile, the energy consumption in the test process can be saved by the preheating water tank, thereby being beneficial to energy conservation and emission reduction. The invention reduces the number of devices, reduces the failure rate of the whole test system and is convenient to maintain.
Description
Technical Field
The invention relates to the field of test equipment, in particular to a cold and hot impact test system for detecting the fatigue life of an air intercooler under the impact of heat alternating stress.
Background
At present, the existing test systems for detecting the fatigue life of an air intercooler under the heat alternating stress are all required to be provided with two sets of high-cost air compressors for providing high-pressure air sources, wherein the high-temperature circuits and the low-temperature circuits are respectively arranged in the system, and an even number of test samples are required to be installed for being evenly distributed in the high-temperature circuits or the low-temperature circuits. Two sets of testing equipment are required to be configured in the testing system, the equipment investment cost is increased due to the increase of parts such as an air compressor, a pipeline and an auxiliary valve in each testing equipment, the stability of the system is reduced due to the increase of the number of the equipment, and the probability of equipment failure is improved. In addition, the number of the test samples in the test system is an even number, which is unfavorable for saving energy consumption.
Disclosure of Invention
The applicant has made research and improvement with respect to the above-mentioned prior art, and has provided a cold and hot impact test system for detecting the life of an air intercooler,
the technical scheme adopted by the invention is as follows:
the cold and hot impact testing system for detecting the service life of the air intercooler comprises an air compressor, wherein the air compressor is connected with an inlet of an air storage tank through a pneumatic triple piece, an outlet of the air storage tank is connected with a first channel of a first pneumatic three-way ball valve through a first testing pipeline, a second channel of the first pneumatic three-way ball valve is connected with the first channel of a second pneumatic three-way ball valve through a second testing pipeline, and an extension pipeline extending into the interior of a heat storage water tank is arranged on the second testing pipeline; the second channel of the second pneumatic three-way ball valve is connected with the fan through a pipeline, the third channel of the second pneumatic three-way ball valve is connected with the first channel of the third pneumatic three-way ball valve through a third test pipeline and a heater, the second channel of the third pneumatic three-way ball valve is connected with the inlet of the test piece through a fifth test pipeline, and the outlet of the test piece is connected with the heat exchanger through a fourth test pipeline; the third channel of the first pneumatic control three-way ball valve is further connected with one end of a first branch pipeline, the other end of the first branch pipeline is connected with a fifth test pipeline, the third channel of the third pneumatic control three-way ball valve is further connected with a second branch pipeline, and an extension pipeline extending into the heat storage water tank is also arranged on the second branch pipeline.
The further technical scheme is as follows:
the fan, the second pneumatic control three-way ball valve, the heater, the third test pipeline, the third pneumatic control three-way ball valve and the second branch pipeline are connected to form a heating bypass for continuously providing heat energy for the heat storage water tank;
the fan is a Roots fan;
the heat storage water tank is also connected with a water tank through a water valve and a pipeline, and is also connected with a third temperature sensor;
the first test pipeline is also provided with a first throttle valve and a flowmeter respectively, the fifth test pipeline is provided with a first pressure sensor and a first temperature sensor, and the fourth test pipeline is provided with a second temperature sensor, a second pressure sensor and a second throttle valve;
a first silencer is further arranged outside the heat exchanger, and a second silencer is further arranged outside the heat storage water tank;
and a pressure gauge and a safety valve are also arranged on the air storage tank.
The beneficial effects of the invention are as follows:
the invention has simple structure and convenient use, only one air compressor is needed to provide a high-pressure air source, the number of the test samples is not limited by even numbers, the input cost of the air compressor, the pipeline, the valve and other parts is saved, the heat energy recovery is realized by arranging the Roots blower and the heat storage water tank in the high-temperature loop, and meanwhile, the energy consumption in the test process can be saved by the preheating water tank, thereby being beneficial to energy conservation and emission reduction. The invention reduces the number of devices, reduces the failure rate of the whole test system and is convenient to maintain.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Wherein: 1. a pressure gauge; 2. a safety valve; 3. a gas storage tank; 4. a first throttle valve; 5. a flow meter; 6. a first pneumatic three-way ball valve; 7. a first branch pipe; 8. the second pneumatic control three-way ball valve; 9. a heater; 10. a third pneumatic control three-way ball valve; 11. a first pressure sensor; 12. a first temperature sensor; 13. a test piece; 14. a second temperature sensor; 15. a second pressure sensor; 16. a second throttle valve; 17. a first muffler; 18. a heat exchanger; 191. a first test line; 192. a second test line; 193. a third test line; 194. a fourth test line; 195. a fifth test line; 20. a blower; 21. a second branch pipe; 22. a thermal storage tank; 23. a second muffler; 24. a water valve; 25. a pool; 26. pneumatic triplex; 27. an air compressor; 28. and a third temperature sensor.
Detailed Description
The following describes specific embodiments of the present invention.
As shown in fig. 1, a cold and hot impact testing system for detecting service life of an air intercooler comprises an air compressor 27, wherein the air compressor 27 is connected with an inlet of an air storage tank 3 through a pneumatic triple piece 26, a pressure gauge 1 and a safety valve 2 are arranged on the air storage tank 3, an outlet of the air storage tank 3 is connected with a first channel of a first pneumatic three-way ball valve 6 through a first testing pipeline 191, a second channel of the first pneumatic three-way ball valve 6 is connected with a first channel of a second pneumatic three-way ball valve 8 through a second testing pipeline 192, and an extension pipeline extending into the interior of a heat storage water tank 22 is arranged on the second testing pipeline 192; the second channel of the second pneumatic three-way ball valve 8 is connected with the fan 20 through a pipeline, the third channel of the second pneumatic three-way ball valve 8 is connected with the first channel of the third pneumatic three-way ball valve 10 through a third test pipeline 193 and the heater 9, the second channel of the third pneumatic three-way ball valve 10 is connected with the inlet of the test piece 13 through a fifth test pipeline 195, and the outlet of the test piece 13 is connected with the heat exchanger 18 through a fourth test pipeline 194; the third channel of the first pneumatic three-way ball valve 6 is also connected with one end of the first branch pipeline 7, the other end of the first branch pipeline 7 is connected with a fifth test pipeline 195, the third channel of the third pneumatic three-way ball valve 10 is also connected with the second branch pipeline 21, and an extension pipeline extending into the heat storage water tank 22 is also arranged on the second branch pipeline 21. The fan 20, the second pneumatic three-way ball valve 8, the heater 9, the third test pipeline 193, the third pneumatic three-way ball valve 10 and the second branch pipeline 21 are connected to form a heating bypass for continuously providing heat energy for the heat storage water tank 22.
The fan 20 is a Roots fan in the present invention. The heat storage water tank 22 is also connected with a water pool 25 through a water valve 24 and a pipeline, and the heat storage water tank 22 is also connected with a third temperature sensor 28. The first test line 191 is further provided with a first throttle valve 4 and a flow meter 5, the fifth test line 195 is provided with a first pressure sensor 11 and a first temperature sensor 12, and the fourth test line 194 is provided with a second temperature sensor 14, a second pressure sensor 15 and a second throttle valve 16. The first muffler 17 is further provided outside the heat exchanger 18, and the second muffler 23 is further provided outside the heat storage tank 22.
The specific working process of the invention is as follows:
as shown in fig. 1, in the cold circulation process, compressed gas from an air compressor 27 enters the air storage tank 3 through a pneumatic triple piece 26 and a pipeline, the pressure value of the gas in the tank body of the air storage tank 3 is observed through a pressure gauge 1, the gas flow is controlled through a first throttle valve 4, the low-temperature gas is switched to a third channel through a first pneumatic three-way ball valve 6, enters the inside of a test piece 13 through a first branch pipeline 7 and a fifth test pipeline 195, and is finally discharged to the external environment through a fourth test pipeline 194; when the cold circulation state is switched to the hot circulation state, compressed gas of the air compressor 27 enters the air storage tank 3 through the pneumatic triple piece 26 and the pipeline, in order to ensure that the low-temperature gas can quickly reach the temperature of high-temperature gas required by the test piece 13, the air inlet valve and the air outlet valve of the heater 9 are opened, meanwhile, the second pneumatic three-way ball valve 8 is switched to a second channel, the fan 20 works, the external gas is switched to a third channel again through the pipeline through the second pneumatic three-way ball valve 8 to be heated by the third test pipeline 193 and the heater 9, then the third pneumatic three-way ball valve 10 is switched to the third channel to enable the gas to enter the second branch pipeline 21, and when the gas of the second branch pipeline 21 passes through the extension pipeline, the heat energy in the high-temperature gas is absorbed by the heat storage water tank 22 and stored in the water tank, so that the purpose of saving energy consumption is achieved. The gas that has absorbed the heat energy is then discharged. As shown in fig. 1, when the low temperature gas is switched to the second passage through the first pneumatic three-way ball valve 6 and passes through the second test pipeline 192, the low temperature gas is heated for the first time through the heat storage water tank 22 when passing through the extension section of the second test pipeline 192, then is heated by the second pneumatic three-way ball valve 8 and the third test pipeline 193 into the heater 9 to achieve the second heating, so that the gas is heated to the designated temperature quickly, the heating process is stable, then the third pneumatic three-way ball valve 10 switches the second passage and enters the test piece 13 through the fifth test pipeline 195, and is discharged to the external environment through the fourth test pipeline 194 after the test.
In the above working process, the heater 9 is always in a working state by the heating bypass, and it is found that once the heater 9 is turned off or needs to be restarted, the problem of poor time response is caused, so that the waveform curve of the test piece 13 cannot meet the test requirement in the test process.
The above description is illustrative of the invention and not limiting, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the basic structure of the invention.
Claims (7)
1. A cold and hot impact test system for detecting air intercooler life-span, includes air compressor machine (27), air compressor machine (27) are through pneumatic triplet piece (26) and the access connection of gas holder (3), in the export of gas holder (3) is connected its characterized in that with the first passageway of first pneumatic three way ball valve (6) through first test pipeline (191): the second channel of the first pneumatic three-way ball valve (6) is connected with the first channel of the second pneumatic three-way ball valve (8) through a second test pipeline (192), and an extension pipeline extending into the heat storage water tank (22) is arranged on the second test pipeline (192); the second channel of the second pneumatic three-way ball valve (8) is connected with a fan (20) through a pipeline, the third channel of the second pneumatic three-way ball valve (8) is connected with the first channel of the third pneumatic three-way ball valve (10) through a third test pipeline (193) and a heater (9), the second channel of the third pneumatic three-way ball valve (10) is connected with the inlet of a test piece (13) through a fifth test pipeline (195), and the outlet of the test piece (13) is connected with a heat exchanger (18) through a fourth test pipeline (194); the third channel of the first pneumatic three-way ball valve (6) is further connected with one end of a first branch pipeline (7), the other end of the first branch pipeline (7) is connected with a fifth test pipeline (195), the third channel of the third pneumatic three-way ball valve (10) is further connected with a second branch pipeline (21), and an extension pipeline extending into the heat storage water tank (22) is also arranged on the second branch pipeline (21).
2. A cold and hot impact testing system for detecting air intercooler life as defined in claim 1, wherein: the fan (20), the second pneumatic control three-way ball valve (8), the heater (9), the third test pipeline (193), the third pneumatic control three-way ball valve (10) and the second branch pipeline (21) are connected to form a heating bypass for continuously providing heat energy for the heat storage water tank (22).
3. A cold and hot impact testing system for detecting air intercooler life as defined in claim 1, wherein: the fan (20) is a Roots fan.
4. A cold and hot impact testing system for detecting air intercooler life as defined in claim 1, wherein: the heat storage water tank (22) is also connected with a water pool (25) through a water valve (24) and a pipeline, and the heat storage water tank (22) is also connected with a third temperature sensor (28).
5. A cold and hot impact testing system for detecting air intercooler life as defined in claim 1, wherein: the first test pipeline (191) is also provided with a first throttle valve (4) and a flowmeter (5), the fifth test pipeline (195) is provided with a first pressure sensor (11) and a first temperature sensor (12), and the fourth test pipeline (194) is provided with a second temperature sensor (14), a second pressure sensor (15) and a second throttle valve (16).
6. A cold and hot impact testing system for detecting air intercooler life as defined in claim 1, wherein: a first silencer (17) is further arranged outside the heat exchanger (18), and a second silencer (23) is further arranged outside the heat storage water tank (22).
7. A cold and hot impact testing system for detecting air intercooler life as defined in claim 1, wherein: the air storage tank (3) is also provided with a pressure gauge (1) and a safety valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611227066.XA CN106680128B (en) | 2016-12-27 | 2016-12-27 | Cold and hot impact testing system for detecting service life of air intercooler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611227066.XA CN106680128B (en) | 2016-12-27 | 2016-12-27 | Cold and hot impact testing system for detecting service life of air intercooler |
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| CN106680128A CN106680128A (en) | 2017-05-17 |
| CN106680128B true CN106680128B (en) | 2023-06-16 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110160794A (en) * | 2018-03-25 | 2019-08-23 | 上海瀚海检测技术股份有限公司 | A kind of intercooler thermal cycling test system and test method |
| CN111982554A (en) * | 2020-08-17 | 2020-11-24 | 浙江银轮机械股份有限公司 | Intercooler heat resistance test equipment and intercooler heat resistance test method |
| CN113218794A (en) * | 2021-04-21 | 2021-08-06 | 大连理工大学 | High-temperature fatigue test system for cavity container |
| CN113899569B (en) * | 2021-08-17 | 2023-10-03 | 合肥通用机械研究院有限公司 | Heat exchanger performance and service life testing device and testing method using same |
| CN114608832B (en) * | 2022-03-03 | 2022-11-08 | 广州大华德盛热管理科技股份有限公司 | Test method and test device for intercooler |
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