CN111811831A - Intercooler thermal cycle test equipment - Google Patents
Intercooler thermal cycle test equipment Download PDFInfo
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- CN111811831A CN111811831A CN202010622571.4A CN202010622571A CN111811831A CN 111811831 A CN111811831 A CN 111811831A CN 202010622571 A CN202010622571 A CN 202010622571A CN 111811831 A CN111811831 A CN 111811831A
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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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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Abstract
The invention relates to the field of reliability detection of automobile heat dissipation parts, and discloses intercooler thermal cycle test equipment which comprises a compressed air source and a sample piece installation position, wherein the compressed air source is sequentially connected with a first pneumatic ball valve, a flowmeter, an electronic pressure reducing valve and a gas cooler, the gas cooler is connected with a pneumatic three-way valve, a first outlet of the pneumatic three-way valve is sequentially connected with a gas heating device, a second pneumatic ball valve and the sample piece installation position, a second outlet of the pneumatic three-way valve is connected with a first electric butterfly valve and the sample piece installation position, the sample piece installation position is sequentially connected with a second electric butterfly valve, a tail gas cooler and a silencer, a first bypass gas path branch connected to the inlet of the gas heating device is arranged at the outlet of the first pneumatic ball valve, and a second bypass gas path branch connected to the inlet of the tail gas cooler is arranged at the. The cold device thermal cycle test equipment realizes the control of medium flow, temperature slope and sample outlet temperature, and solves the problem of unstable flow in the temperature cycle process.
Description
Technical Field
The invention relates to the field of reliability detection of automobile radiating parts, in particular to intercooler thermal cycle test equipment.
Background
The automobile is an important vehicle in life, and along with the popularization of a turbocharging system, an automobile intercooler is used as a main cooling part in the turbocharging system, so that important guarantee is provided for the stable work of an engine. The thermal cycle test is a bench test which is closest to the actual working condition in the intercooler reliability test, and has important guiding significance for the design of the intercooler and the heat dissipation module.
The domestic existing equipment related to intercooler heat cycle mainly comprises two realization modes:
the first method comprises the following steps: two supply systems of a cold source and a heat source are used, thermal circulation is realized through valve switching, the mode has no flow control and sample outlet temperature control functions, the energy consumption is high, and the component loss is serious in a high-temperature state;
and the second method comprises the following steps: the use contains two admission lines of flow control device of installing of cooling, heating function to connect respectively on two appearance pieces through valve switching system, the cold and hot source of control is with fixed mode work, realizes through valve switching system that two appearance pieces move with a low temperature, a high temperature mode all the time, and this kind of mode need install two test appearance pieces all the time, and the cost is with high costs, no appearance export temperature control function, can not realize temperature slope control, and the energy consumption is high.
Both of the above methods have the following problems:
1. high energy consumption; 2. the medium flow is not stable; 3. controlling the slope of the temperature of the inlet of the sample-free part; 4. the temperature control of the sample outlet cannot be realized; 5. multiple pieces are required to operate.
Disclosure of Invention
The invention aims to provide intercooler thermal cycle test equipment aiming at the defects of the technology, so that single test piece operation is realized, medium flow control, temperature slope control and sample piece outlet temperature control are realized, and the problem of unstable flow in the temperature cycle process is solved.
In order to achieve the purpose, the intercooler thermal cycle test device designed by the invention comprises a compressed air source and a sample piece installation position, wherein an outlet of the compressed air source is sequentially connected with a first pneumatic ball valve, a flow meter, an electronic pressure reducing valve and a gas cooler, an outlet of the gas cooler is connected with an inlet of a pneumatic three-way valve, a first outlet of the pneumatic three-way valve is sequentially connected with a gas heating device and a second pneumatic ball valve, an outlet of the second pneumatic ball valve is communicated with an inlet of the sample piece installation position, a second outlet of the pneumatic three-way valve is connected with a first electric butterfly valve, an outlet of the first electric butterfly valve is communicated with an inlet of the sample piece installation position, an outlet of the sample piece installation position is sequentially connected with a second electric butterfly valve, a tail gas cooler and a silencer, an outlet of the first pneumatic ball valve is provided with a first bypass branch, and the first bypass branch is connected to an inlet of the gas heating device through a first bypass electromagnetic valve, and a second bypass gas path branch is arranged at an outlet of the gas heating device and connected to an inlet of the tail gas cooler through a second bypass electromagnetic valve.
Preferably, an inlet pressure sensor and an inlet temperature sensor are installed at an inlet of the sample piece installation position, and an outlet pressure sensor and an outlet temperature sensor are installed at an outlet of the sample piece installation position.
Preferably, the gas heating device is provided with a first temperature sensor for thermal protection of the gas heating device and preventing safety hazards caused by dry burning.
Preferably, a tail gas temperature sensor is installed between the tail gas cooler and the muffler and used for detecting the temperature of the tail gas.
Preferably, be equipped with the cold water governing valve on the gas cooler for adjust the cooling temperature of gas cooler, be equipped with tail gas cooling solenoid valve on the tail gas cooler, realize tail gas temperature control, in order to avoid influencing the environment.
Preferably, a plurality of gas heaters are arranged in the gas heating device.
Preferably, a wind side control system is arranged on one side of the sample piece mounting position and used for controlling the temperature at the outlet of the sample piece mounting position.
Preferably, the first pneumatic ball valve, the flow meter, the electronic pressure reducing valve, the first outlet, the gas heating device, the second pneumatic ball valve, the second outlet, the first electric butterfly valve, the second electric butterfly valve, the first bypass electromagnetic valve, the second bypass electromagnetic valve, the inlet pressure sensor, the inlet temperature sensor, the outlet pressure sensor, the outlet temperature sensor, the first temperature sensor, the tail gas temperature sensor, the cold water regulating valve, the tail gas cooling electromagnetic valve and the wind side control system are all connected with the central control system.
Compared with the prior art, the invention has the following advantages:
1. the single test piece operation is realized, the medium flow control, the temperature slope control and the sample piece outlet temperature control are realized at the same time, and the problem of unstable flow in the temperature circulation process is solved;
2. the control of the flow of compressed air is realized through a first pneumatic ball valve of the main pipeline, the balance of the resistance of the low-temperature loop pipeline is realized through a first electric butterfly valve, and the stability of the flow of air in the temperature circulation process is achieved;
3. the accurate control of the temperature can be realized through the gas cooler of the main pipeline and the gas heating device in the high-temperature loop;
4. the temperature maintenance of the high-temperature loop and the protection of the gas heating device are realized through the first bypass gas path branch and the second bypass gas path branch;
5. friendly emission is realized through a tail gas cooler and a silencer;
6. the pressure control in the sample piece is realized through a second electric butterfly valve at the outlet of the sample piece mounting position;
7. the temperature at the outlet of the sample piece mounting position is controlled by a wind side control system;
8. the working state of the intercooler under the actual condition of the simulated vehicle can be met to the maximum extent, a verification means is provided for verifying and analyzing the reliability of the intercooler, and the system is simple in structure, low in manufacturing cost and convenient to maintain.
Drawings
FIG. 1 is a schematic structural diagram of a cold device thermal cycle test apparatus according to the present invention.
The components in the figures are numbered as follows:
the device comprises a compressed air source 1, a sample piece installation position 2, a first pneumatic ball valve 3, a flowmeter 4, an electronic pressure reducing valve 5, a gas cooler 6, a pneumatic three-way valve 7, a first outlet 8, a gas heating device 9, a second pneumatic ball valve 10, a second outlet 11, a first electric butterfly valve 12, a second electric butterfly valve 13, a tail gas cooler 14, a silencer 15, a first bypass circuit branch 16, a first bypass electromagnetic valve 17, a second bypass circuit branch 18, a second bypass electromagnetic valve 19, an inlet pressure sensor 20, an inlet temperature sensor 21, an outlet pressure sensor 22, an outlet temperature sensor 23, a first temperature sensor 24, a tail gas temperature sensor 25, a cold water regulating valve 26, a tail gas cooling electromagnetic valve 27, a gas heater 28 and a wind side control system 29.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in figure 1, the cold device thermal cycle test device comprises a compressed air source 1 and a sample installation position 2, wherein an outlet of the compressed air source 1 is sequentially connected with a first pneumatic ball valve 3, a flow meter 4, an electronic pressure reducing valve 5 and a gas cooler 6, an outlet of the gas cooler 6 is connected with an inlet of a pneumatic three-way valve 7, a first outlet 8 of the pneumatic three-way valve 7 is sequentially connected with a gas heating device 9 and a second pneumatic ball valve 10, an outlet of the second pneumatic ball valve 10 is communicated with an inlet of the sample installation position 2, a second outlet 11 of the pneumatic three-way valve 7 is connected with a first electric butterfly valve 12, an outlet of the first electric butterfly valve 12 is communicated with an inlet of the sample installation position 2, an outlet of the sample installation position 2 is sequentially connected with a second electric butterfly valve 13, a tail gas cooler 14 and a silencer 15, an outlet of the first pneumatic ball valve 3 is provided with a first bypass branch 16, an inlet of the first bypass branch 16 is connected with the gas heating device 9 through a first bypass electromagnetic valve 17, the outlet of the gas heating device 9 is provided with a second bypass gas path branch 18, and the second bypass gas path branch 18 is connected to the inlet of the tail gas cooler 14 through a second bypass electromagnetic valve 19.
In addition, in this embodiment, an inlet pressure sensor 20 and an inlet temperature sensor 21 are installed at an inlet of the sample installation position 2, an outlet pressure sensor 22 and an outlet temperature sensor 23 are installed at an outlet of the sample installation position 2, a first temperature sensor 24 is arranged on the gas heating device 9, a tail gas temperature sensor 25 is installed between the tail gas cooler 14 and the muffler 15, a cold water regulating valve 26 is arranged on the gas cooler 6, a tail gas cooling electromagnetic valve 27 is arranged on the tail gas cooler 14, two gas heaters 28 are arranged in the gas heating device 9, and an air side control system 29 is arranged on one side of the sample installation position 2.
When the system is used in the embodiment, the flow PID control is realized through the flow meter 4 and the electronic pressure reducing valve 5, and the low-temperature control is realized through the gas cooler 6 and the cold water regulating valve 26 by medium with constant flow. The medium with constant flow and low temperature can work in a high-temperature loop and a low-temperature loop after passing through the pneumatic three-way valve 7.
When the pneumatic three-way valve works in a high-temperature loop, the first outlet 8 of the pneumatic three-way valve 7 is communicated, the second pneumatic ball valve 10 is opened, the first bypass electromagnetic valve 17 and the second bypass electromagnetic valve 19 are closed, a medium reaches a sample piece on the sample piece mounting position 2 through the gas heating device 9, the first temperature sensor 24 and the second pneumatic ball valve 10, and then flows through the second electric butterfly valve 13, the tail gas cooler 14 and the silencer 15 to be discharged. In the process, the gas cooler 6, the gas heating device 9 and the inlet temperature sensor 21 form PID adjustment to realize temperature control of the inlet of the sample on the sample mounting position 2, and the second electric butterfly valve 13 and the inlet pressure sensor 20 form PID adjustment to realize internal pressure control of the sample on the sample mounting position 2.
When the high-temperature loop works in the low-temperature loop, the second outlet 11 of the pneumatic three-way valve 7 is communicated, the second pneumatic ball valve 10 is closed, the first bypass electromagnetic valve 17 and the second bypass electromagnetic valve 19 are opened, and the high-temperature loop works in a heat preservation state through the first bypass air path branch 16 and the second bypass air path branch 18. The medium passes through the first electric butterfly valve 12, reaches the sample on the sample mounting position 2, and then flows through the second electric butterfly valve 13, the tail gas cooler 14 and the silencer 15 to be discharged. In the secondary process, the main purpose of the first electric butterfly valve 12 is to match the pipeline resistance in the high-temperature loop, so as to achieve the purpose of stable medium flow when the pneumatic three-way valve 7 is switched between the high-temperature loop and the low-temperature loop.
In this embodiment, the sample is installed on the wind-side control system 29, and the wind-side control system 29 and the outlet temperature sensor 23 form PID adjustment to control the flow rate of the air flowing through the wind side of the sample, thereby achieving the purpose of controlling the outlet temperature of the sample.
In this embodiment, the temperature control of high temperature loop mainly realizes accurate control and slope control of temperature through the PID regulation of gas heating device 9, cold water regulating valve 26, and first temperature sensor 24 mainly used gas heating device 9's thermal protection prevents that dry combustion from causing the potential safety hazard, and tail gas temperature sensor 25 mainly used detects the tail gas temperature, and feedback control tail gas cooling solenoid valve 27 realizes the tail gas temperature regulation to influence the environment.
In addition, in this embodiment, the first pneumatic ball valve 3, the flow meter 4, the electronic pressure reducing valve 5, the first outlet 8, the gas heating device 9, the second pneumatic ball valve 10, the second outlet 11, the first electric butterfly valve 12, the second electric butterfly valve 13, the first bypass solenoid valve 17, the second bypass solenoid valve 19, the inlet pressure sensor 20, the inlet temperature sensor 21, the outlet pressure sensor 22, the outlet temperature sensor 23, the first temperature sensor 24, the exhaust gas temperature sensor 25, the cold water regulating valve 26, the exhaust gas cooling solenoid valve 27, and the air side control system 29 may be connected to a central control system to realize automatic control. And the data curve is displayed, recorded and stored by collecting the data of the inlet pressure sensor 20, the inlet temperature sensor 21, the outlet pressure sensor 22 and the outlet temperature sensor 23.
According to the cold cooler thermal cycle test equipment, the single test piece operation is realized, the medium flow control, the temperature slope control and the sample piece outlet temperature control are realized at the same time, and the problem of unstable flow in the temperature cycle process is solved; the control of the flow of compressed air is realized through the first pneumatic ball valve 3 of the main pipeline, the balance of the resistance of the low-temperature loop pipeline is realized through the first electric butterfly valve 12, and the stability of the air flow in the temperature circulation process is achieved; the accurate control of the temperature can be realized through the gas cooler 6 of the main pipeline and the gas heating device 9 in the high-temperature loop; the temperature maintenance of the high-temperature loop and the protection of the gas heating device 9 are realized through the first bypass gas path branch 16 and the second bypass gas path branch 18; friendly emissions are achieved by means of the exhaust gas cooler 14 and the muffler 15; the pressure control in the sample piece is realized through a second electric butterfly valve 13 at the outlet of the sample piece mounting position 2; the temperature at the outlet of the sample piece installation position 2 is controlled through the wind side control system 29; in a word, the system can maximally meet the requirement of simulating the working state of the intercooler under the actual condition of the vehicle, provides a verification means for verifying and analyzing the reliability of the intercooler, and has the advantages of simple structure, low manufacturing cost and convenient maintenance.
Claims (8)
1. The utility model provides an intercooler thermal cycle test equipment, includes compressed air source (1) and appearance piece installation position (2), its characterized in that: the outlet of the compressed air source (1) is sequentially connected with a first pneumatic ball valve (3), a flow meter (4), an electronic pressure reducing valve (5) and a gas cooler (6), the outlet of the gas cooler (6) is connected with an inlet of a pneumatic three-way valve (7), a first outlet (8) of the pneumatic three-way valve (7) is sequentially connected with a gas heating device (9) and a second pneumatic ball valve (10), an outlet of the second pneumatic ball valve (10) is communicated with an inlet of a sample piece mounting position (2), a second outlet (11) of the pneumatic three-way valve (7) is connected with a first electric butterfly valve (12), an outlet of the first electric butterfly valve (12) is communicated with an inlet of the sample piece mounting position (2), an outlet of the sample piece mounting position (2) is sequentially connected with a second electric butterfly valve (13), a tail gas cooler (14) and a silencer (15), the outlet of the first pneumatic ball valve (3) is provided with a first bypass gas path branch (16), the first bypass gas path branch (16) is connected to the inlet of the gas heating device (9) through a first bypass electromagnetic valve (17), the outlet of the gas heating device (9) is provided with a second bypass gas path branch (18), and the second bypass gas path branch (18) is connected to the inlet of the tail gas cooler (14) through a second bypass electromagnetic valve (19).
2. The intercooler heat cycle test apparatus of claim 1, wherein: import pressure sensor (20) and import temperature sensor (21) are installed to the entrance of appearance piece installation position (2), export pressure sensor (22) and export temperature sensor (23) are installed to the exit of appearance piece installation position (2).
3. The intercooler heat cycle test apparatus of claim 2, wherein: and a first temperature sensor (24) is arranged on the gas heating device (9).
4. The intercooler heat cycle test apparatus of claim 3, wherein: and a tail gas temperature sensor (25) is arranged between the tail gas cooler (14) and the silencer (15).
5. The intercooler heat cycle test apparatus of claim 4, wherein: and a cold water regulating valve (26) is arranged on the gas cooler (6), and a tail gas cooling electromagnetic valve (27) is arranged on the tail gas cooler (14).
6. The intercooler heat cycle test apparatus of claim 5, wherein: a plurality of gas heaters (28) are arranged in the gas heating device (9).
7. The intercooler heat cycle test apparatus of claim 6, wherein: and a wind side control system (29) is arranged on one side of the sample piece mounting position (2).
8. The intercooler heat cycle test apparatus of claim 7, wherein: the device comprises a first pneumatic ball valve (3), a flowmeter (4), an electronic pressure reducing valve (5), a first outlet (8), a gas heating device (9), a second pneumatic ball valve (10), a second outlet (11), a first electric butterfly valve (12), a second electric butterfly valve (13), a first bypass electromagnetic valve (17), a second bypass electromagnetic valve (19), an inlet pressure sensor (20), an inlet temperature sensor (21), an outlet pressure sensor (22), an outlet temperature sensor (23), a first temperature sensor (24), a tail gas temperature sensor (25), a cold water regulating valve (26), a tail gas cooling electromagnetic valve (27) and a wind side control system (29) which are all connected with a central control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010622571.4A CN111811831A (en) | 2020-06-30 | 2020-06-30 | Intercooler thermal cycle test equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010622571.4A CN111811831A (en) | 2020-06-30 | 2020-06-30 | Intercooler thermal cycle test equipment |
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| CN111811831A true CN111811831A (en) | 2020-10-23 |
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| CN202010622571.4A Pending CN111811831A (en) | 2020-06-30 | 2020-06-30 | Intercooler thermal cycle test equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323539A (en) * | 2021-11-30 | 2022-04-12 | 东风马勒热***有限公司 | Heavy-duty vehicle cooling module wind tunnel integrating fan performance and noise measurement |
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| KR20200068399A (en) * | 2018-12-05 | 2020-06-15 | 현대 파워텍 주식회사 | Intercooler Heat Exchanger OnOff Device for Testing of Automission and Control Method thereof |
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2020
- 2020-06-30 CN CN202010622571.4A patent/CN111811831A/en active Pending
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| JPH02257036A (en) * | 1988-12-08 | 1990-10-17 | Daikin Ind Ltd | Cold/hot impact tester |
| CN102230847A (en) * | 2011-04-01 | 2011-11-02 | 浙江大学 | Test device for engine thermal management system |
| CN203376225U (en) * | 2013-06-28 | 2014-01-01 | 南方英特空调有限公司 | Heat cycle test equipment |
| CN105334045A (en) * | 2015-12-14 | 2016-02-17 | 金陵科技学院 | Gas cold and hot impact test system based on PLC and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323539A (en) * | 2021-11-30 | 2022-04-12 | 东风马勒热***有限公司 | Heavy-duty vehicle cooling module wind tunnel integrating fan performance and noise measurement |
| CN114323539B (en) * | 2021-11-30 | 2024-04-09 | 东风马勒热***有限公司 | Heavy vehicle cooling module wind tunnel integrating fan performance and noise measurement |
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Application publication date: 20201023 |
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