CN102645374B - Pressure alternating test system of air-air intercooler - Google Patents
Pressure alternating test system of air-air intercooler Download PDFInfo
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- CN102645374B CN102645374B CN 201110042139 CN201110042139A CN102645374B CN 102645374 B CN102645374 B CN 102645374B CN 201110042139 CN201110042139 CN 201110042139 CN 201110042139 A CN201110042139 A CN 201110042139A CN 102645374 B CN102645374 B CN 102645374B
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- 238000012360 testing method Methods 0.000 title claims abstract description 100
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- 229910052697 platinum Inorganic materials 0.000 claims description 51
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- 238000010438 heat treatment Methods 0.000 claims description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
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Abstract
The invention relates to a pressure alternating test system of an air-air intercooler. The pressure alternating test system comprises an air circulating system and a computer test control system, wherein the air circulating system consists of a trial operation mode and a normal operation mode and is controlled by the computer test control system, and the fatigue resistance intensity of test pieces is measured. Compared with the prior art, the pressure alternating test system has the advantages that the structure design is novel and practical, the operation and the maintenance are convenient, the safety performance is higher, the human-computer interaction interface of a test platform is friendly, the operation is simple, the pressure control and temperature control precision is high, the appearance is attractive, compact and elegant, and the like.
Description
Technical field
The present invention relates to a kind of gas gas intercooler pressure alternation test system, especially relate to a kind of gas gas intercooler pressure alternation test system that can simulate the fatigue resistance that heat transmission equipment carries out under actual working conditions.
Background technology
Internal combustion engine gas gas charge air cooler is requisite parts in high-grade car or large automobile, its performance quality, directly have influence on the whether many indexes such as normal operation, power consumption size, exhaust emissions of internal combustion engine, and the pressure alternation test of gas gas charge air cooler, it is the necessaries that guarantees gas gas charge air cooler quality, the domestic technical feature curvilinear figure that does not at present also have unit to meet to propose in its project indicator, in the majority with serrate, can't reach the experimental performance index of product requirement.Therefore, need a kind of gas gas intercooler pressure alternation test system that can meet the fatigue resistance carried out under actual working conditions.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of structural design Nover practical in order to overcome the defect that above-mentioned prior art exists, convenient operation and maintenance, and security performance is higher, and the human-computer interaction interface close friend of testing table is simple to operate; Pressure control and temperature-controlled precision are high; Appearance looks elegant, succinct, generous gas gas intercooler pressure alternation test system.
Purpose of the present invention can be achieved through the following technical solutions: a kind of gas gas intercooler pressure alternation test system, it is characterized in that, and comprise the gas circulation system and computer measurement and control system,
The described gas circulation system is by source of the gas 1 minute two-way after import manual pressure regulating valve 2 and three linked piece 3 enter pneumatic angle pedestal valve a4, enter pneumatic angle pedestal valve d15 through electric pressure-regulating valve 5 and pneumatic angle pedestal valve b7 or manual pressure regulating valve 11 and pneumatic angle pedestal valve c13, enter pneumatic angle pedestal valve e24 by well heater a21 and well heater b23 heating again, flow into test specimen 27, finally by pneumatic angle pedestal valve f28, discharge atmosphere;
Described computer measurement and control system comprises industrial computer, data acquisition module, temperature sensor, pressure transducer, touch-screen, Programmable Logic Controller, computer measurement and control system gathers the data of 1 to 3 circulation of the gas circulation system within the time interval of setting, temperature, pressure, setting value, real time execution curve, waveform and alerting signal when showing screen display gas circulation system real time execution, and on the main control interface, it is carried out to adjusted value, to measure the endurance life of test specimen 27.
The described gas circulation system comprises test/trial running mode and normal operation mode, and during test/trial running mode, electric pressure-regulating valve 5 and pneumatic angle pedestal valve b7 are all in closed condition, and manual pressure regulating valve 11 and pneumatic angle pedestal valve c13 are in opening; During normal operation mode, electric pressure-regulating valve 5 and pneumatic angle pedestal valve b7 are all in opening, manual pressure regulating valve 11 and pneumatic angle pedestal valve c13 are in closed condition, during normal operation, realized the pressure alternative cycle of multiple waveforms by the alternating movement of the pneumatic angle pedestal valve e24 of test specimen 27 both sides and pneumatic angle pedestal valve f28, to measure the endurance life of test specimen 27.
Steam and mist of oil in described three linked piece 3 elimination sources of the gas 1, three linked piece 3 two ends connect differential pressure pick-up 10.
Be provided with pressure transducer a6 after described electric pressure-regulating valve 5, be provided with pressure transducer b12 after described manual pressure regulating valve 11, be provided with pressure transducer c14 before described pneumatic angle pedestal valve d15, be provided with successively pressure transducer e25, pressure transducer f26 and pressure transducer d19 between described pneumatic angle pedestal valve e24 and test specimen 27.
Be provided with thermometric platinum resistance g22 after described well heater a21, be provided with thermometric platinum resistance c16 after described well heater b23, thermometric platinum resistance d17 and thermometric platinum resistance e18 successively between described pneumatic angle pedestal valve e24 and test specimen 27, be provided with thermometric platinum resistance f20 before described pneumatic angle pedestal valve f28, the casing of described test specimen 27 is provided with thermometric platinum resistance a and thermometric platinum resistance b.
The data acquisition module of described computer measurement and control system gathers respectively the spin manifold temperature that thermometric platinum resistance a, thermometric platinum resistance b survey, temperature after the well heater a21 that thermometric platinum resistance g22 surveys, the delivery temperature that thermometric platinum resistance c16, the thermometric platinum resistance d17 arranged after the well heater b23 of detection and the detecting temperature of thermometric platinum resistance e18 and thermometric platinum resistance f20 survey;
And the front pressure of pneumatic angle pedestal valve d15 of pressure, pressure transducer c14 detection before the pneumatic angle pedestal valve c13 that before the pneumatic angle pedestal valve b7 of collection pressure transducer a6 detection, pressure, pressure transducer b12 survey, the front pressure of test specimen 27 that pressure transducer e25, pressure transducer f26 and pressure transducer d19 survey;
By the data of data collecting module collected input industrial computer, control in real time and regulate by Programmable Logic Controller, and, by the computer detection system with Programmable Logic Controller, obtain in real time test figure and the final calculation result of each tested parameter, by computing machine, processed and Output rusults.
Described computer measurement and control system is closed pneumatic angle pedestal valve e24 and pneumatic angle pedestal valve f28 automatically, carry out test specimen and reveal check, now the pressure in test specimen 27 can descend, as nothing is revealed, automatically enter normal operation mode, so complete a pressure cycling cycle, go round and begin again, after the cycle index of setting completes, off-test.
Before described test specimen 27, alarm for high voltage is set, before well heater a21, low pressure alarming is set, test is carried out smoothly, and be provided with safety valve, prevent pressure or excess Temperature.
Compared with prior art, the present invention has the following advantages:
Structural design Nover practical of the present invention, convenient operation and maintenance arrange and report to the police and protection in implementation process aspect two of hardware and softwares, and security performance is higher; The human-computer interaction interface close friend of testing table, simple to operate; Pressure control and temperature-controlled precision are high; Appearance looks elegant, succinct, generous is a kind of safe and reliable checkout equipment.
The present invention adopts the automatic switchable control mode of hand,, in the situation that computer or PLC damage, utilizes the instrument of system configuration also can be tested product; At auto state, adopt and control the theory of separating with collection, PLC is responsible for setting and the control of system condition point, and computing machine is responsible for the collection of data; At manual mode, by instrument, controlled and technology fully, wherein, controlling alternating compenent, specialized designs contactless electronic switch mode, increase serviceable life; At auto state, do not need human intervention fully, can realize unattendedly, once test, equipment will be according to program automatic closing system and cutting off the electricity supply; Can obtain pressure limit dissimilar ripple in 0～350kPa, as sine wave, upper trapezoid ripple, double-trapezoidal wave and sawtooth wave simultaneously.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein: the 1-source of the gas, 2-import manual pressure regulating valve, the 3-three linked piece, 4-pneumatic angle pedestal valve a, the 5-electric pressure-regulating valve, 6-pressure transducer a, 7-pneumatic angle pedestal valve b, thermometric platinum resistance a (not shown), thermometric platinum resistance b (not shown), 10-well heater a, the 11-manual pressure regulating valve, 12-pressure transducer b, 13-pneumatic angle pedestal valve c, 14-pressure transducer c, 15-pneumatic angle pedestal valve d, 16-thermometric platinum resistance c, 17-thermometric platinum resistance d, 18-thermometric platinum resistance e, 19-pressure transducer d, 20-thermometric platinum resistance f, 21-well heater a, 22-thermometric platinum resistance g, 23-well heater b, 24-pneumatic angle pedestal valve e, 25-pressure transducer e, 26-pressure transducer f, the 27-test specimen, 28-pneumatic angle pedestal valve f.
Embodiment
Below in conjunction with the accompanying drawing explanation, structure of the present invention and principle of work are described in further detail, but the present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof, all should list protection scope of the present invention in.
Embodiment
The present invention will provide a kind of gas gas intercooler pressure alternation test system that can meet the fatigue resistance carried out under actual working conditions.Testing table is provided with manually and automatically moves two kinds of patterns, and testing table can provide following operating condition of test:
Test(ing) medium: air (except deoiling, water, impurity);
Test(ing) medium temperature: normal temperature～300 ℃;
Test(ing) medium pressure: 0.5～3.5bar;
Maximum test number (TN): 1,000,000 times;
Test waveform: sine wave, upper trapezoid ripple, double-trapezoidal wave and sawtooth wave;
Test specimen volume: be less than 20L.
Technical scheme of the present invention is: gas gas intercooler pressure alternation test system consists of the gas circulation system and computer measurement and control system, is provided with manually simultaneously and automatically moves two kinds of patterns.As shown in Figure 1:
(1), the gas circulation system
The described gas circulation system is by source of the gas 1 minute two-way after import manual pressure regulating valve 2 and three linked piece 3 enter pneumatic angle pedestal valve a4, enter pneumatic angle pedestal valve d15 through electric pressure-regulating valve 5 and pneumatic angle pedestal valve b7 or manual pressure regulating valve 11 and pneumatic angle pedestal valve c13, enter pneumatic angle pedestal valve e24 by well heater a21 and well heater b23 heating again, flow into test specimen 27, finally by pneumatic angle pedestal valve f28, discharge atmosphere;
The described gas circulation system comprises test/trial running mode and normal operation mode, and during test/trial running mode, electric pressure-regulating valve 5 and pneumatic angle pedestal valve b7 are all in closed condition, and manual pressure regulating valve 11 and pneumatic angle pedestal valve c13 are in opening; During normal operation mode, electric pressure-regulating valve 5 and pneumatic angle pedestal valve b7 are all in opening, manual pressure regulating valve 11 and pneumatic angle pedestal valve c13 are in closed condition, during normal operation, realized the pressure alternative cycle of multiple waveforms by the alternating movement of the pneumatic angle pedestal valve e24 of test specimen 27 both sides and pneumatic angle pedestal valve f28, to measure the endurance life of test specimen 27.
Being provided with three linked piece 3 before pneumatic angle pedestal valve a4 is mainly for the moisture in elimination source of the gas 1, mist of oil etc.Wherein, be provided with thermometric platinum resistance g22 after well heater a21, be provided with thermometric platinum resistance c16 after described well heater b23, according to Temperature Setting, regulate heater power.Be provided with alarm for high voltage before test specimen, and be provided with low pressure alarming before well heater.For whether gas gas charge air cooler in the viewing test process leaks, according to the setting of single cycle number of times and the setting of dwell time, system can be closed pneumatic angle pedestal valve e24 and pneumatic angle pedestal valve f28 automatically, carry out test specimen and reveal check, now the pressure in test specimen can descend, if while dropping to the pressure error scope of regulation, just can think that there is leakage in gas gas charge air cooler.Must be pointed out, the leak detection of gas gas charge air cooler that the method can only be large to leakage rate effectively, but for micro-leakage or do not reach certain leakage rate within the dwell time, more difficult judgement.
(2), computer measurement and control system
Described computer measurement and control system comprises industrial computer, the CFP-1804 data acquisition module, temperature sensor (is thermometric platinum resistance a, thermometric platinum resistance b, thermometric platinum resistance c16, thermometric platinum resistance d17, thermometric platinum resistance e18, thermometric platinum resistance f20, thermometric platinum resistance g22), pressure transducer (is pressure transducer a6, pressure transducer b12, pressure transducer c14, pressure transducer d19, pressure transducer e25, pressure transducer f26), touch-screen, Programmable Logic Controller PLC, the compositions such as LABVIEW software,
(collection point can be benchmark in order to the time to the data of CFP-1804 data acquisition module 1 to 3 circulation of collection within the time interval of setting, and can be also benchmark (set and how much circulate) by circulation.Temperature, pressure, setting value, real time execution curve, waveform and alerting signal while on display screen, showing real time execution.On the main control interface, to all setting values, can be adjusted, as cycle index, alternative frequency and pressure (in scope of design), data storage file name and file etc. all can be adjusted according to customer requirements.
The test(ing) medium of this system: air (except deoiling, water, impurity); Test(ing) medium temperature: normal temperature～300 ℃; Test(ing) medium pressure: 0.5～3.5bar; Maximum test number (TN): 1,000,000 times; Test waveform: sine wave, upper trapezoid ripple, double-trapezoidal wave and sawtooth wave; Test specimen volume: be less than 20L.
Workflow of the present invention is:
Open computer measurement and control system, whether working procedure, observe measured data, as normal as data such as temperature and pressures, as normal as all, correlation parameter is tested in input, as temperature, alternating pressure, the number of alternations etc., after having arranged, click the start button on the control panel face, now, the system operational outfit is by Controlled by Programmable Controller, and carries out test run by the parameter set in advance.At first enter test/trial running mode, according to the setting of single cycle number of times and the setting of dwell time, system can be closed pneumatic angle pedestal valve e24 and pneumatic angle pedestal valve f28 automatically, carry out test specimen and reveal check, now the pressure in test specimen can descend, as without revealing, after X min, automatically enter normal operation mode.So complete a pressure cycling cycle, go round and begin again, after the cycle index of setting completes, off-test.
Specific works flow process: after compressed air gas source 1 enters three linked piece 3 by 2 pressure regulation of import manual pressure regulating valve, the airborne moisture of elimination etc., be divided into two-way after pneumatic angle pedestal valve a4 pressure regulation, be respectively test/trial running mode (low tension loop) and normal operation mode (high tension loop).Under test/trial running mode (low tension loop), after manually pressure regulator valve 11 pressure regulation enter pneumatic angle pedestal valve c13, enter into well heater a21 and well heater b23 through pneumatic angle pedestal valve d15, pass through again pneumatic angle pedestal valve e24, flow through subsequently test specimen 27, finally by pneumatic angle pedestal valve f28, by connecting line, drain into atmospheric environment; Now, electric pressure-regulating valve 5 and pneumatic angle pedestal valve b7 are all in closed condition.And normal operation mode (high tension loop) is after electric pressure-regulating valve 5 pressure regulation enter pneumatic angle pedestal valve b7, enter into well heater a21 and well heater b23 through pneumatic angle pedestal valve d15, pass through again pneumatic angle pedestal valve e24, flow through subsequently test specimen 27, finally by pneumatic angle pedestal valve f28, by connecting line, drain into atmospheric environment; Now, manual pressure regulating valve 11 and air vent valve c13 are all in closed condition.During normal operation, realized the pressure alternative cycle of multiple waveforms by the alternating movement of the pneumatic angle pedestal valve e24 of test specimen 27 both sides and pneumatic angle pedestal valve f28, so complete a pressure cycling cycle, go round and begin again, after the cycle index of setting completes, off-test.Be worth pointing out, pilot system is determined the shape of pressure alternation performance curve by the alternation time; Be provided with alarm for high voltage and low pressure alarming, guarantee carrying out smoothly of test; And be provided with safety valve, prevent pressure or excess Temperature.
In addition, record respectively by computing machine the spin manifold temperature that thermometric platinum resistance a, thermometric platinum resistance b survey, temperature after the well heater a21 that thermometric platinum resistance g22 surveys, the temperature of the well heater b23 that thermometric platinum resistance c16 surveys, the delivery temperature that the detecting temperature of thermometric platinum resistance d17 and thermometric platinum resistance e18 and thermometric platinum resistance f20 survey; And the front pressure of pneumatic angle pedestal valve d15 of pressure, pressure transducer c14 detection before the pneumatic angle pedestal valve c13 that before the pneumatic angle pedestal valve b7 of collection pressure transducer a6 detection, pressure, pressure transducer b12 survey, the front pressure of test specimen 27 that pressure transducer e25, pressure transducer f26 and pressure transducer d19 survey, processed and Output rusults by computing machine.
During the work of this testing table, all moving components and equipment, all by computing machine, send instruction, control in real time and regulate (as the temperature of flow, water side, oily side, pressure etc.) by Programmable Logic Controller, and, by the computer detection system with Programmable Logic Controller by the LabVIEW programming, obtain in real time test figure and the final calculation result of each tested parameter.
Claims (8)
1. a gas gas intercooler pressure alternation test system, is characterized in that, comprises the gas circulation system and computer measurement and control system,
The described gas circulation system enters pneumatic angle pedestal valve a(4 by source of the gas (1) through import manual pressure regulating valve (2) and three linked piece (3)) after minute two-way, through electric pressure-regulating valve (5) and pneumatic angle pedestal valve b(7) or manual pressure regulating valve (11) and pneumatic angle pedestal valve c(13) enter pneumatic angle pedestal valve d(15), again by well heater a(21) and well heater b(23) heating enters pneumatic angle pedestal valve e(24), flow into test specimen (27), finally by pneumatic angle pedestal valve f(28) the discharge atmosphere;
Described computer measurement and control system comprises industrial computer, data acquisition module, temperature sensor, pressure transducer, touch-screen, Programmable Logic Controller, computer measurement and control system gathers the data of 1 to 3 circulation of the gas circulation system within the time interval of setting, temperature, pressure, setting value, real time execution curve, waveform and alerting signal when showing screen display gas circulation system real time execution, and adjust its numerical value on the main control interface, to measure the endurance life of test specimen (27).
2. a kind of gas gas intercooler pressure alternation test system according to claim 1, it is characterized in that, the described gas circulation system comprises test/trial running mode and normal operation mode, during test/trial running mode, electric pressure-regulating valve (5) and pneumatic angle pedestal valve b(7) all in closed condition, manual pressure regulating valve (11) and pneumatic angle pedestal valve c(13) in opening; During normal operation mode, electric pressure-regulating valve (5) and pneumatic angle pedestal valve b(7) all in opening, manual pressure regulating valve (11) and pneumatic angle pedestal valve c(13) in closed condition, during normal operation, pneumatic angle pedestal valve e(24 by test specimen (27) both sides) and pneumatic angle pedestal valve f(28) alternating movement realize the pressure alternative cycle of multiple waveforms, to measure the endurance life of test specimen (27).
3. a kind of gas gas intercooler pressure alternation test system according to claim 1, is characterized in that, steam and mist of oil in described three linked piece (3) elimination source of the gas (1), and three linked piece (3) two ends connect differential pressure pick-up (10).
4. a kind of gas gas intercooler pressure alternation test system according to claim 1, it is characterized in that, described electric pressure-regulating valve is provided with pressure transducer a(6 after (5)), described manual pressure regulating valve is provided with pressure transducer b(12 after (11)), described pneumatic angle pedestal valve d(15) the front pressure transducer c(14 that is provided with), described pneumatic angle pedestal valve e(24) and between test specimen (27) be provided with successively pressure transducer e(25), pressure transducer f(26) and pressure transducer d(19).
5. a kind of gas gas intercooler pressure alternation test system according to claim 1, it is characterized in that, described well heater a(21) be provided with thermometric platinum resistance g(22 after), described well heater b(23) be provided with thermometric platinum resistance c(16 after), described pneumatic angle pedestal valve e(24) and connect successively thermometric platinum resistance d(17 between test specimen (27)) and thermometric platinum resistance e(18), described pneumatic angle pedestal valve f(28) the front thermometric platinum resistance f(20 that is provided with), the casing of described test specimen (27) is provided with thermometric platinum resistance a and thermometric platinum resistance b.
6. according to the described a kind of gas gas intercooler pressure alternation test system of claim 4 or 5, it is characterized in that, the data acquisition module of described computer measurement and control system gathers respectively the spin manifold temperature that thermometric platinum resistance a, thermometric platinum resistance b survey, thermometric platinum resistance g(22) temperature the well heater a(21 surveyed), thermometric platinum resistance c(16) temperature, thermometric platinum resistance d(17 the well heater b(23 surveyed)) and thermometric platinum resistance e(18) detecting temperature, and thermometric platinum resistance f(20) delivery temperature of detection;
And gather pressure transducer a(6) the pneumatic angle pedestal valve b(7 that surveys) front pressure, pressure transducer b(12) the pneumatic angle pedestal valve c(13 that surveys) front pressure, pressure transducer c(14) the pneumatic angle pedestal valve d(15 that surveys) front pressure, pressure transducer e(25), pressure transducer f(26) and pressure transducer d(19) the front pressure of test specimen (27) of detection;
By the data of data collecting module collected input industrial computer, control in real time and regulate by Programmable Logic Controller, and, by the computer detection system with Programmable Logic Controller, obtain in real time test figure and the final calculation result of each tested parameter, by computing machine, processed and Output rusults.
7. a kind of gas gas intercooler pressure alternation test system according to claim 1, it is characterized in that, described computer measurement and control system is closed pneumatic angle pedestal valve e(24 automatically) and pneumatic angle pedestal valve f(28), carry out test specimen and reveal check, now the pressure in test specimen (27) can descend, as nothing is revealed, automatically enter normal operation mode, so complete a pressure cycling cycle, go round and begin again, after the cycle index of setting completes, off-test.
8. a kind of gas gas intercooler pressure alternation test system according to claim 1, is characterized in that, the front alarm for high voltage that arranges of described test specimen (27), well heater a(21) the front low pressure alarming that arranges, test is carried out smoothly, and be provided with safety valve, prevent pressure or excess Temperature.
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| CN 201110042139 CN102645374B (en) | 2011-02-22 | 2011-02-22 | Pressure alternating test system of air-air intercooler |
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| CN 201110042139 CN102645374B (en) | 2011-02-22 | 2011-02-22 | Pressure alternating test system of air-air intercooler |
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| CN105806556A (en) * | 2016-05-06 | 2016-07-27 | 武汉航空仪表有限责任公司 | Device and method for pressure sensor alternating test |
| CN110057503A (en) * | 2019-04-30 | 2019-07-26 | 美钻石油钻采系统工程（上海）有限公司 | A kind of test method for testing casing head performance |
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| SE524994C2 (en) * | 2003-03-21 | 2004-11-09 | Volvo Lastvagnar Ab | Method and apparatus for checking the capacity of a compressor |
| CN101672729B (en) * | 2009-10-14 | 2011-02-16 | 清华大学 | High-altitude and low-pressure characteristic simulation test station of air compressor in internal-combustion engine |
| CN202133534U (en) * | 2011-02-22 | 2012-02-01 | 上海德朗汽车零部件制造有限公司 | Gas-gas intercooler pressure alternation test system |
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Effective date of registration: 20221110 Address after: 201503 No.7, Lane 381, Hong'an Road, Zhujing Town, Jinshan District, Shanghai Patentee after: SHANGHAI DELANG AUTO RADIATOR MANUFACTURING Co.,Ltd. Address before: No. 58, Yanghebin Road, Songjiang Hi tech Park, Shanghai, 201615 Patentee before: SHANGHAI DELANG AUTO PARTS MANUFACTURING Co.,Ltd. |
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Granted publication date: 20131225 |