CN203629781U - Intercooler hot-air circulation simulation test bench - Google Patents
Intercooler hot-air circulation simulation test bench Download PDFInfo
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- CN203629781U CN203629781U CN201320865395.2U CN201320865395U CN203629781U CN 203629781 U CN203629781 U CN 203629781U CN 201320865395 U CN201320865395 U CN 201320865395U CN 203629781 U CN203629781 U CN 203629781U
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- air
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- air cooler
- charge air
- intercooler
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Abstract
An intercooler hot-air circulation simulation test bench comprises a cabinet type box body, an blower fan is arranged in the cabinet type box body, an outlet of the blower fan is connected with an air heating device and an electric pressure-regulating valve, and the electric pressure-regulating valve is connected with a pulse generator; the air heating device is connected with an intercooler test piece through a pipe; a temperature sensor and a pressure transmitter are arranged in the pipe which is connected between the air heating device and one end of the intercooler test piece; the electric pressure-regulating valve is connected with a muffler through a pipe; the connecting pipe between the air heating device and the intercooler test piece is provided with a manual valve; and the other end of the intercooler test piece is connected with an air inlet of the blower fan through a pipe. The intercooler hot-air circulation simulation test bench has the advantages of reasonable structure, the high safety coefficient and convenient operation, can accurately simulate actual work environment of an intercooler assembly, and improves accuracy of experimental data of intercooler high-pressure resistance, pressure resistance and vibration resistance tests.
Description
Technical field
The utility model relates to supercharging air cooled diesel charge air cooler assembly field tests, specifically, relates to a kind of charge air cooler hot air circulate simulator stand.
Background technology
The development of turbocharging technology be the once great leap of diesel engine technologies, and the Application and Development of intermediate air cooling technology has promoted again the development of turbocharging technology widely.Increasing diesel motor is band charge inter cooling in the world at present, and petrol engine band charge inter cooling is also very common.Supercharging technology can make diesel engine in the constant object that increases output power that is issued to of discharge capacity.Charge air cooler is the product that in engine booster, refrigeration technique is generally applied on car load, its effect is that the High Temperature High Pressure air to producing after supercharger supercharging carries out cooling, further increase engine charge density and air inflow, reduce the peak value of temperature of combustion, improve engine capacity and reduce oil consumption, improve discharge, the energy-saving and emission-reduction of motor vehicle are had to important meaning.Require to do endurancing according to the charge air cooler described in machinery industry standard JB/T10506-2005 supercharging of internal combustion engine air cooler technical conditions, to test the anti-vibration performance of supercharged diesel engine charge air cooler and the performance of high temperature resistant pressure pulse.Conventionally charge air cooler anti-vibration test requires to carry out at normal temperatures, and the installation situation that need to use according to reality, is fixed on charge air cooler on testing table.Acceleration transducer is fixed on the upper surface of product.When test, apply sine wave oscillations vertically, vibration frequency is chosen from small to large one by one, and each frequency vibration number of times is no less than 7.8 × 105.And being the test method being stipulated voluntarily by producer, the high temperature resistant pressure pulse performance of charge air cooler carries out.Existing experiment table cannot combine above-mentioned two durable reliability durability tests to carry out, and the efficiency that existing experiment table detects is low, and the data of detection are not accurate enough.
Utility model content
For above-mentioned deficiency of the prior art, the utility model provides one can accurately simulate charge air cooler assembly actual working environment, improves the charge air cooler hot air circulate simulator stand of high temperature resistant compression resistance vibration resistance test experiments data accuracy.
Technical solution adopted in the utility model is:
A kind of charge air cooler hot air circulate simulator stand, comprises cabinet type casing, in cabinet type casing, is provided with blower fan, and fan outlet is connected with electric pressure-regulating valve with air heating apparatus respectively by pipeline, and electric pressure-regulating valve is connected with pulse producer; Air heating apparatus is connected with charge air cooler test specimen by pipeline; In the pipeline that air heating apparatus is connected with charge air cooler test specimen one end, be provided with temperature sensor and pressure unit; Electric pressure-regulating valve is connected with sound suppressor by pipeline; Air heating apparatus and charge air cooler test specimen connecting tube are provided with manually-operated gate; The charge air cooler test specimen other end is connected with air inlet by pipeline, and manually-operated gate is set on connecting tube; Air inlet front end is provided with electric control valve; The front end of electric control valve is provided with filtrator; The front end of filtrator is provided with pneumatic triple piece; The top of described cabinet type casing is provided with vent valve.
Described air heating apparatus is air duct type air heater; Air duct type air heater is made up of electric heater, column type pressure casing, heat-insulation layer, joint flange and support.
The beneficial effect of the relative prior art of the utility model:
The utility model charge air cooler hot air circulate simulator stand, can produce a kind of air-source closed loop cycle circulation with uniform temperature and certain pressure, to meet charge air cooler high temperature vibration resistance and pressure pulse test request for utilization.The utility model is rational in infrastructure, safety coefficient is high, easy to operate, can accurately simulate charge air cooler assembly actual working environment, improve charge air cooler high temperature resistant compression resistance vibration resistance test experiments data accuracy.
The utility model charge air cooler hot air circulate simulator stand is mainly used in the resistance to thermal fatigue test of shaking for the heated air source of constant temperature and pressure is provided by test charge air cooler.The import and export of test sample are all connected with ball valve by silicone tube connecting pipe, produce a kind of air-source closed loop cycle circulation with uniform temperature and certain pressure in process of the test, to meet the relevant request for utilization of charge air cooler anti-vibration test.In test process, exemplar temperature and pressure is realized automatically and being controlled, and detect in real time process of the test charge air cooler inlet temperature and corresponding intake pressure.
Accompanying drawing explanation
Fig. 1 is the utility model charge air cooler hot air circulate simulator stand structural representation.
Critical piece symbol description in accompanying drawing:
In figure:
1, pressure unit 2, temperature sensor
3, hand valve 4, charge air cooler test specimen
5, pneumatic triple piece 6, filtrator
7, blower fan 8, air heating apparatus
9, sound suppressor 10, electric pressure-regulating valve
11, electric control valve.
Embodiment
Referring to drawings and Examples, the utility model is described in detail:
Accompanying drawing 1 is known, a kind of charge air cooler hot air circulate simulator stand, comprises cabinet type casing, is provided with blower fan 7 in cabinet type casing, blower fan 7 exports by pipeline and is connected with electric pressure-regulating valve 10 with air heating apparatus 8 respectively, and electric pressure-regulating valve 10 is connected with pulse producer; Air heating apparatus 8 is connected with charge air cooler test specimen 4 by pipeline; In the pipeline that air heating apparatus 8 is connected with charge air cooler test specimen 4 one end, be provided with temperature sensor 2 and pressure unit 1; Electric pressure-regulating valve 10 is connected with sound suppressor 9 by pipeline; Air heating apparatus 8 is provided with manually-operated gate 3 with charge air cooler test specimen 4 connecting tubes; Charge air cooler test specimen 4 other ends are connected with blower fan 7 air inlets by pipeline, and manually-operated gate is set on connecting tube; Blower fan 7 air inlet front ends are provided with electric control valve 11; The front end of electric control valve 11 is provided with filtrator 6; The front end of filtrator 6 is provided with pneumatic triple piece 5; The top of described cabinet type casing is provided with vent valve.
Described air heating apparatus is air duct type air heater; Air duct type air heater is made up of electric heater, column type pressure casing, heat-insulation layer, joint flange and support.
The utility model charge air cooler hot air circulate simulator stand, can produce a kind of air-source closed loop cycle circulation with uniform temperature and certain pressure, to meet charge air cooler high temperature vibration resistance and pressure pulse test request for utilization.The utility model is rational in infrastructure, safety coefficient is high, easy to operate, can accurately simulate charge air cooler assembly actual working environment, improve charge air cooler high temperature resistant compression resistance vibration resistance test experiments data accuracy.
The utility model charge air cooler hot air circulate simulator stand is mainly used in the resistance to thermal fatigue test of shaking for the heated air source of constant temperature and pressure is provided by test charge air cooler.The import and export of test sample are all connected with ball valve by silicone tube connecting pipe, produce a kind of air-source closed loop cycle circulation with uniform temperature and certain pressure in process of the test, to meet the relevant request for utilization of charge air cooler anti-vibration test.In test process, exemplar temperature and pressure is realized automatically and being controlled, and detect in real time process of the test charge air cooler inlet temperature and corresponding intake pressure.
The control gear of the utility model charge air cooler hot air circulate simulator stand adopts temperature, pressure transducer, pressure controller table, numerical display temp. controller table, automobile to form with dim wind controller of fan.The logic control circuit being made up of relay and contactor is controlled, and controls the running of warm-air drier and motorized valve simultaneously, makes it form complete closed-loop control system.
The utility model charge air cooler hot air circulate simulator stand, is mainly made up of blower fan 7, air heating apparatus 8, charge air cooler test specimen 4, electric pressure-regulating valve 10, pressure unit 1, temperature sensor 2, pneumatic triple piece 5, filtrator 6, hand valve 3, connecting line flexible pipe and control device.
The utility model charge air cooler hot air circulate simulator stand is made up of topworks and control device two parts.System is arranged in a cabinet type casing, and pipeline adopts stainless steel, antiseptic and rustproof.Tested charge air cooler test specimen is connected by silica gel hose.
The topworks of the utility model charge air cooler hot air circulate simulator stand is made up of blower fan, valve, air heating apparatus and pipeline, is divided into air heat, circulation pressure regulation two parts.
The air heating apparatus 8 of the utility model charge air cooler hot air circulate simulator stand adopts air duct type air heater, is mainly made up of electric heater, column type pressure casing, heat-insulation layer, joint flange, support etc.Electric heater peak power 5kw, balance type three phase heating.Recirculation heater maximum temperature can reach 300 ℃, the withstand voltage 2bar that is greater than.
The control device of the air themperature heating of the utility model charge air cooler hot air circulate simulator stand adopts intelligent temperature controller PWM mode to heat, digital PID control, and SSR drives control.Detect the outlet temperature of electric heater 8 by PT100 temperature sensor 2, temperature is carried out processing controls through digital display temperature-control instrument.If temperature approaches setting value, heating slows down, higher than stopping heating.
Air heater 8 protections of the utility model charge air cooler hot air circulate simulator stand are the pressure by detecting air circulation system; and pressure detection is exported by pressure unit 1; if charge air cooler hot-flow flue internal pressure lower than 0.5bar, stops heating, alarm rings.This state has 2 kinds of situations, i.e. serious the and blower fan 7 of gas leakage stops operating, and pressure all can decline.
The composition of the air heater 8 of the utility model charge air cooler hot air circulate simulator stand, wherein heater element adopts high temperature resistant stainless steel steel pipe to be used as protective casing, high temperature resistance B alloy wire, crystal magnesium oxide powder, compressed technological forming.The heat energy producing spreads to metal tube surface by crystal magnesium oxide powder, then is delivered in heated resistance wire or air and goes, and reaches the object of air heat.
When the hot air circulate regulator of the utility model charge air cooler hot air circulate simulator stand is normally worked, pressure unit 1 detects current pressure value.Pressure regulates can be by three linked piece and electric pressure-regulating valve uniting and adjustment.The recirculated hot air of whole system is mainly completed by blower fan, and blower fan adopts Vehicular compressed air blower fan, and its reliability is high, the features such as stable performance, long service life.The control of blower fan is the controller by carrying, and it can show the information such as rotating speed, throttle opening, voltage.
The hot air circulate testing table of the utility model charge air cooler hot air circulate simulator stand can be simulated charge air cooler maximal work situation, test piece is connected to have pressure, carry out compression shock in the closed circuit of temperature, finally determines the performance of product.
The hot air circulate testing table anti-vibration test of the utility model charge air cooler hot air circulate simulator stand is tested charge air cooler to be placed to be fixed on electric vibration table, carry out vibration test.And degree of will speed up sensor is fixed on the upper surface of product.
The high temperature pressure pulse test bench of the utility model charge air cooler hot air circulate simulator stand is to be opened and closed and realized system deflation by pulse producer signal controlling electric pressure-regulating valve 10 on the basis of existing test unit, pressure fluctuation is changed carry out pressure pulse test.
The control gear of the utility model charge air cooler hot air circulate simulator stand adopts pressure intelligent control instrument, digital display temperature-control table, controller of fan etc. to control.The logic control circuit being made up of relay and contactor is controlled the running of blower fan and motorized valve simultaneously, makes it form complete control system.
The utility model charge air cooler hot air circulate simulator stand is made up of sheet steel casing, between operating room and cabinet shell, makes insulation layer material with glass fibre.In the middle of chamber door top, front, there is a windowpane, for the situation of observing in operating room.Install liquid crystal touch display screen additional in casing front.
The circulating analog test unit of the utility model charge air cooler hot air circulate simulator stand includes data acquisition and shows touch LCD screen, can set test temperature, pressure control controlled condition, gather and show that test figure comprises the performance datas such as charge air cooler front and back end ports temperature and pressure is poor.
The utility model charge air cooler hot air circulate simulator stand case top is provided with vent valve can make charge air cooler and cool exterior air be able to convective exchange, read out instrument automatic constant-temperature adjusting for temperature control the operating room in.Electrical control operation is loaded in electronic box side key-course.In key-course, there is side door to unload, during in order to inspection or repairing circuit, use.
The utility model charge air cooler hot air circulate simulator stand operating process:
The first step: start general supply, observe tensimeter and thermometer and whether working properlyly show.
Second step: when instrument shows normally, open blower fan running.
The 3rd step: pressure adjusting is main makes pressure approach setting value by the reduction valve in electric control valve 11 and three linked piece, in the time that temperature is lower, pressure regulated value should be lower than setting value 2～3KPa left and right.This is due in heating process, and gas expansion causes pressure to increase, and can avoid normally working time, pressure actual value allows actual value follow setting value substantially to approach or equate higher than setting value.Should not open too muchly by electric pressure-regulating valve 10 as air release, but cannot close completely.Discharge gas by sound suppressor 9 in order to eliminate venting noise.Due to charge air cooler surface radiating, the mobile property of its inner air is bad or mobile, easily causes air themperature can not guarantee its temperature value long-term stability.Therefore, suitably bleed off a small amount of air in outlet, thereby guarantee the stability of temperature cycles channel temperature.
The 4th step: operation a period of time is observed temperature, whether pressure control is normal.Just brought into operation when temperature approaches setting value soon, temperature may exceed 2 ℃ of left and right of setting value, and this situation belongs to normal condition.After one or two cycle, temperature control precision just tends towards stability and little this of error is that intelligent PID is adjusted and done use.
Electric system holding circuit:
1, there is current overload or short-circuit protection, the too low protection of system pressure.
2, current overload and short-circuit protection are realized by electrothermal relay and air switch.
If 3, the too low protection of system pressure is that the system pressure detecting by tensimeter will produce warning lower than 50kap.
Claims (2)
1. a charge air cooler hot air circulate simulator stand, it is characterized in that: comprise cabinet type casing, in cabinet type casing, be provided with blower fan, fan outlet is connected with electric pressure-regulating valve with air heating apparatus respectively by pipeline, and electric pressure-regulating valve is connected with pulse producer; Air heating apparatus is connected with charge air cooler test specimen by pipeline; In the pipeline that air heating apparatus is connected with charge air cooler test specimen one end, be provided with temperature sensor and pressure unit; Electric pressure-regulating valve is connected with sound suppressor by pipeline; Air heating apparatus and charge air cooler test specimen connecting tube are provided with manually-operated gate; The charge air cooler test specimen other end is connected with air inlet by pipeline, and manually-operated gate is set on connecting tube; Air inlet front end is provided with electric control valve; The front end of electric control valve is provided with filtrator; The front end of filtrator is provided with pneumatic triple piece; The top of described cabinet type casing is provided with vent valve.
2. charge air cooler hot air circulate simulator stand according to claim 1, is characterized in that: described air heating apparatus is air duct type air heater; Air duct type air heater is made up of electric heater, column type pressure casing, heat-insulation layer, joint flange and support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865395.2U CN203629781U (en) | 2013-12-26 | 2013-12-26 | Intercooler hot-air circulation simulation test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865395.2U CN203629781U (en) | 2013-12-26 | 2013-12-26 | Intercooler hot-air circulation simulation test bench |
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| Publication Number | Publication Date |
|---|---|
| CN203629781U true CN203629781U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320865395.2U Expired - Fee Related CN203629781U (en) | 2013-12-26 | 2013-12-26 | Intercooler hot-air circulation simulation test bench |
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| CN (1) | CN203629781U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181320A (en) * | 2015-10-09 | 2015-12-23 | 黄建斌 | Valve hot fluid detection system |
| CN105444971A (en) * | 2014-08-27 | 2016-03-30 | 上海德朗汽车零部件制造有限公司 | Vibration test device with temperature cycling |
| RU2683881C1 (en) * | 2018-04-17 | 2019-04-02 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Method of temperature-mechanical tests |
| CN111537272A (en) * | 2020-06-05 | 2020-08-14 | 四川大学 | Inner and outer temperature control fidelity corer experiment platform based on bellows |
| 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 |
| CN114062000A (en) * | 2021-11-16 | 2022-02-18 | 辽宁工业大学 | Performance testing device and testing method for intercooler of fuel cell system |
| CN114062000B (en) * | 2021-11-16 | 2024-06-11 | 辽宁工业大学 | Device and method for testing performance of intercooler of fuel cell system |
-
2013
- 2013-12-26 CN CN201320865395.2U patent/CN203629781U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444971A (en) * | 2014-08-27 | 2016-03-30 | 上海德朗汽车零部件制造有限公司 | Vibration test device with temperature cycling |
| CN105181320A (en) * | 2015-10-09 | 2015-12-23 | 黄建斌 | Valve hot fluid detection system |
| RU2683881C1 (en) * | 2018-04-17 | 2019-04-02 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Method of temperature-mechanical tests |
| CN111537272A (en) * | 2020-06-05 | 2020-08-14 | 四川大学 | Inner and outer temperature control fidelity corer experiment platform based on bellows |
| 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 |
| CN114062000A (en) * | 2021-11-16 | 2022-02-18 | 辽宁工业大学 | Performance testing device and testing method for intercooler of fuel cell system |
| CN114062000B (en) * | 2021-11-16 | 2024-06-11 | 辽宁工业大学 | Device and method for testing performance of intercooler of fuel cell system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Shiyan Chenpeng Electromechanical Technology Co.,Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20151226 |
|
| EXPY | Termination of patent right or utility model |