CN110160794A - A kind of intercooler thermal cycling test system and test method - Google Patents
A kind of intercooler thermal cycling test system and test method Download PDFInfo
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- CN110160794A CN110160794A CN201810248967.XA CN201810248967A CN110160794A CN 110160794 A CN110160794 A CN 110160794A CN 201810248967 A CN201810248967 A CN 201810248967A CN 110160794 A CN110160794 A CN 110160794A
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- thermal cycling
- switching valve
- control system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
Abstract
A kind of intercooler thermal cycling test system and test method, including two admission lines, two admission lines are connected to gas source, two admission lines be equipped with by control system control add, heat-exchange system, each admission line other end is connect with test specimen respectively, the test specimen other end is connect with exhaust pipe, each exhaust pipe other end is connect with heat-exchange system respectively, the first and second switching valve controlled by control system is respectively equipped on each admission line, exhaust pipe, two the first switching valve connections, two the second switching valve connections；Two test specimens are connected between two admission lines and two exhaust pipes；Gas stop valve, pressure regulator valve, the first and second switching valve, throttle valve are controlled by control system according to test requirements document, so that heat, cold medium is alternately passed through two test specimens by set temperature, time and the frequency；Until completion portion thermal cycling test.The thermal shock test of test specimen at different temperatures, compact-sized, easy to maintenance, long service life can be achieved in the present invention.
Description
Technical field
The present invention relates to a kind of technical field of vehicle detection, espespecially a kind of intercooler thermal cycling test system and test side
Method.
Background technique
For automobile as the convenient and fast vehicles, the demand in market is increasing.However client is to the safety of vehicle, reliable
Property, the requirement of comfort are also higher and higher., profession also more and more accurate for the testing requirements of vehicle component, it is ensured that can be true
Operation conditions in real simulating vehicle traveling engineering.
Engine is the core of automobile, and performance determines the performance of vehicle.And the subsystem of engine is also it in weight
Weight.
The pilot system of existing detection engine uses gas pulses, has the shortcomings that following two:
1, domestic existing only one air accumulator of gas pulses, single air accumulator heats gas and cooling control is compared
Difficulty, being unable to complete being switched fast between gas low temperature and high temperature, (switching needs 1 are small between the low temperature and high temperature of an air accumulator
When or so, and standard and real vehicle operating condition are 3 minutes or so)；
2, existing gas pulses are opened and closed to control internal pressure using solenoid valve, when solenoid valve closes control pressure, gas
It is the i.e. no air mass flow not recycled, it is more difficult to cause to control gas flow.
Therefore, how a kind of intercooler thermal cycling test system is set and test method is able to solve the above problem, is this
The project that inventor concentrates on studies.
Summary of the invention
The purpose of the present invention is to provide a kind of Novel intercooler thermal cycling test system and test methods, may be implemented
The thermal shock test requirement of test specimen at different temperatures, compact-sized, after-sales service is convenient, easy to operate, long service life.
To achieve the goals above, technical solution of the invention are as follows: a kind of intercooler thermal cycling test system, wherein
Including two admission lines, one end of two admission lines is connected to gas source, is set respectively on two admission lines
There is a heating system controlled by control system, two admission lines are equipped with the heat-exchange system controlled by control system, and two
The other end of admission line described in item is connect with one end of test specimen respectively, the other end of two test specimens respectively with exhaust pipe
Connection, the other end of two exhaust pipes connect with the heat-exchange system respectively, are respectively equipped on each admission line
The first switching valve controlled by the control system is respectively equipped with controlled by the control system on each exhaust pipe
Two switching valves, each first switching valve are connect with another first switching valve respectively by tracheae, each second switching
Valve is connect with another second switching valve respectively by tracheae.
Intercooler thermal cycling test system of the present invention, test specimen described in two of them are all set in cold test case, and two
The admission line is connect after being each passed through cold test case with two test specimens.
Intercooler thermal cycling test system of the present invention, wherein each test specimen connection is located in the cold test case
The first temperature sensor and pressure sensor are respectively equipped on admission line part, each test specimen connection is located at the room temperature
Second temperature sensor, each first temperature sensor, pressure sensing are respectively equipped on exhaust pipe part in chamber
Device and second temperature sensor pass through signal wire respectively and connect with control system.
Intercooler thermal cycling test system of the present invention is controlled wherein being respectively equipped on each admission line by control system
Flow detector.
Intercooler thermal cycling test system of the present invention is provided with air mistake described in two of them between admission line and gas source
Filter.
Intercooler thermal cycling test system of the present invention is located at gas source and the air mistake on admission line described in two of them
Part between filter is respectively equipped with the gas stop valve controlled by the control system, is located at air on each admission line
Position after filter is respectively equipped with the pressure regulator valve controlled by the control system, be located on two exhaust pipes test specimen with
Part between second switching valve is respectively equipped with the throttle valve controlled by the control system.
Intercooler thermal cycling test system of the present invention, wherein first switching valve, the second switching valve are triple valve.
Intercooler thermal cycling test system of the present invention, admission line described in two of them and even on tracheae and described in two
Exhaust pipe and be even respectively equipped with silencer on tracheae.
Intercooler thermal cycling test system of the present invention, wherein the air inlet of each admission line is connected separately with gas storage
Tank, each air accumulator are connected to gas source respectively.
A kind of test method using the intercooler thermal cycling test system comprising following steps:
(1) two test specimens are connected between two admission lines and two exhaust pipes；
(2) according to the medium temperature of test requirements document and flow, by control system to the gas stop valve on system pipeline, pressure regulation
Valve, the first switching valve, throttle valve and the second switching valve are controlled, and according to the medium temperature of setting, time and the frequency, make hot Jie
Matter and cold medium alternately pass through two test specimens and are tested, and heating period and cooling stage are determined according to testing standard；
(3) thermal cycling test inside intercooler is completed until completing defined temperature alternating number in circulation step (2).
After adopting the above scheme, intercooler thermal cycling test system and test method of the present invention pass through two different air
Heating system, gas medium have two different temperature values, and every test specimen makes to try by the first switching valve and the second switching valve
Different temperature there are two gathering around in part, by switching repeatedly, there are two the alternate thermal shock test process of temperature, examinations in test specimen
Testing flow in process can be automatically adjusted by throttle valve, and temperature sensor is respectively set in test specimen entrance and exit, can be real-time
The temperature value of test specimen is fed back, gas temperature switching is fast, complies fully with standard and actual requirement；Test is precisely controlled by pressure regulator valve
Required output pressure, and test flow is big, internal diameter of the pipeline is big, and delay pressure loss is small, and pressure is equal to air inlet in test specimen
Pressure on pipeline, therefore pressure detecting point is set on admission line, test specimen flow, come real-time detection, and are fed back by flowmeter
It controlling and exports to control system, gas interior constitutes circulation, and it is more stable to control of flow and pressure, really simulate real vehicle
Working condition, provide technical guarantee for product reliability and experimental reliability；Pass through two air accumulators of setting and two examinations
Part constitutes circulation, and energy recycling does not cause to waste, and the system maintenance is convenient, can be easy to disassemble.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of intercooler thermal cycling test system of the present invention.
With reference to the accompanying drawing, by embodiment, the present invention is described further.
Specific embodiment
The schematic perspective view of intercooler thermal cycling test system embodiment of the present invention as shown in Figure 1, including two into
Feed channel 1, simultaneously Lian Houjun is connected to gas source 19 for one end of two admission lines 1, and gas source 19 uses 0.3MPa low-pressure compressed air,
Gas source 19 is respectively enterd after two air accumulators 2 in two admission lines 1, is respectively equipped on two admission lines 1 by control system
The heating system 3 of system control, heating system 3 use air pipeline electric heater.Two admission lines 1 are simultaneously connected with by control system
The heat-exchange system 4 of control, heat-exchange system 4 use plate heat exchanger.The other end of two admission lines 1 respectively with test specimen 5 one
End connection, the other end of two test specimens 5 are connect with exhaust pipe 6 respectively, and the other end of two exhaust pipes 6 is with heat exchange respectively
System 4 connects, and the first switching valve 7 controlled by control system is respectively equipped on each admission line 1, is set respectively on each exhaust pipe 6
There is the second switching valve 8 controlled by control system, the first switching valve 7 and the second switching valve 8 are triple valves.Each first switching valve
7 both ends are connected on admission line 1, and the third end of two the first switching valves 7 is linked together by tracheae.Each second
The both ends of switching valve 8 are connected on exhaust pipe 6, and the third end of two the second switching valves 8 is linked together by tracheae.
Two admission lines 1 and even on tracheae and two exhaust pipes 6 and be even respectively equipped with silencer 9 on tracheae.
It is connected in turn from the front to the back between air accumulator 2 and heating system 3 by control system control on each admission line 1
Gas stop valve 10, air filter 11, the pressure regulator valve 12 by control system control and the flow by control system control of system
Detection device.Flow detector uses flowmeter 13.On two exhaust pipes 6 between test specimen 5 and the second switching valve 8
Part is respectively equipped with the throttle valve 14 controlled by control system.
Two test specimens 5 are all set in cold test case 15, two admission lines 1 be each passed through after cold test case 15 with
Two test specimens 5 connect.The first temperature is respectively equipped on 1 part of admission line being located in cold test case 15 that each test specimen 5 connects
Sensor 16 and pressure sensor 17 are spent, is distinguished on 6 part of exhaust pipe being located in cold test case 15 that each test specimen 5 connects
Equipped with second temperature sensor 18, each first temperature sensor 16, pressure sensor 17 and second temperature sensor 18 are led to respectively
Signal wire is crossed to connect with control system.
Using the test method of above-described embodiment intercooler thermal cycling test system, include the following steps:
(1) two test specimens 5 are connected between two admission lines 1 and two exhaust pipes 6；
(2) according to the medium temperature of test requirements document and flow, by control system to gas stop valve 10, the tune on admission line 1
Pressure valve 12, the first switching valve 7, the throttle valve 14 on exhaust pipe 6 and the second switching valve 8 are controlled, according to the medium of setting
Temperature, time and the frequency make thermal medium and cold medium alternately pass through two test specimens 5 and are tested, heating period and cooling stage
It is determined according to testing standard；
(3) thermal cycling test inside intercooler is completed until completing defined temperature alternating number in circulation step (2).
Intercooler thermal cycling test system and test method of the present invention are situated between by two different air heating systems, gas
Matter has two different temperature values, there are two every test specimen 5 makes to gather around in test specimen 5 by the first switching valve 7 and the second switching valve 8
Different temperature, by switching repeatedly, there are two the alternate thermal shock test processes of temperature in test specimen 5, flow during test
Amount can be automatically adjusted by throttle valve 14, and the first temperature sensor 16 and second is respectively set in the entrance and exit of test specimen 5
Temperature sensor 18, can Real-time Feedback test specimen 5 temperature value, gas temperature switching is fast, complies fully with standard and actual requirement；It is logical
It crosses pressure regulator valve 12 and is precisely controlled output pressure required for test, and test flow is big, internal diameter of the pipeline is big, delay pressure loss
Small, pressure is equal to the pressure on admission line 1 in test specimen 5, therefore pressure detecting point is set on admission line 1, the stream of test specimen 5
It measures through flowmeter 13 come real-time detection, and feeds back to control system control output, gas interior constitutes circulation, to flow and pressure
Power control is more stable, really simulates the working condition of real vehicle, provides technology for product reliability and experimental reliability
It ensures；Circulation is constituted by two air accumulators 2 of setting and two test specimens 5, energy recycling does not cause to waste, system dimension
Shield is convenient, can be easy to disassemble.
Embodiment described above is only that preferred embodiments of the present invention will be described, not to the scope of the present invention
It is defined, without departing from the spirit of the design of the present invention, this field ordinary engineering and technical personnel is to technology of the invention
The various changes and improvements that scheme is made, should fall within the scope of protection determined by the claims of the present invention.
Claims (10)
1. a kind of intercooler thermal cycling test system, which is characterized in that including two admission lines, two admission lines
One end is connected to gas source, the heating system controlled by control system is respectively equipped on two admission lines, described in two
Admission line is equipped with the heat-exchange system that is controlled by control system, the other end of two admission lines respectively with test specimen one
End connection, the other end of two test specimens connect with exhaust pipe respectively, the other end of two exhaust pipes respectively with
The heat-exchange system connects, and is respectively equipped with the first switching valve controlled by the control system, each institute on each admission line
The second switching valve for being respectively equipped on exhaust pipe and being controlled by the control system is stated, each first switching valve passes through tracheorrhaphy
It is not connect with another first switching valve, each second switching valve is connected with another second switching valve respectively by tracheae
It connects.
2. intercooler thermal cycling test system as described in claim 1, which is characterized in that two test specimens are all set in often
In temperature test box, two admission lines are connect after being each passed through cold test case with two test specimens.
3. intercooler thermal cycling test system as claimed in claim 2, which is characterized in that each test specimen connection is located at institute
It states and is respectively equipped with the first temperature sensor and pressure sensor on the admission line part in cold test case, each test specimen connects
Second temperature sensor, each first temperature are respectively equipped on the exhaust pipe part being located in the cold test case connect
Sensor, pressure sensor and second temperature sensor pass through signal wire respectively and connect with control system.
4. intercooler thermal cycling test system as claimed in claim 3, which is characterized in that set respectively on each admission line
There is the flow detector controlled by control system.
5. intercooler thermal cycling test system as claimed in claim 4, which is characterized in that two admission lines and gas source
Between be provided with air filter.
6. intercooler thermal cycling test system as claimed in claim 5, which is characterized in that be located on two admission lines
Part between gas source and the air filter is respectively equipped with the gas stop valve controlled by the control system, it is each it is described into
Position after being located at air filter in feed channel is respectively equipped with the pressure regulator valve controlled by the control system, two exhausts
Part on pipeline between test specimen and the second switching valve is respectively equipped with the throttle valve controlled by the control system.
7. intercooler thermal cycling test system as claimed in claim 6, which is characterized in that first switching valve, second cut
Changing valve is triple valve.
8. intercooler thermal cycling test system as claimed in claim 7, which is characterized in that two admission lines and even
On tracheae and two exhaust pipes and be even respectively equipped with silencer on tracheae.
9. intercooler thermal cycling test system as claimed in claim 8, which is characterized in that the air inlet of each admission line
It is connected separately with air accumulator, each air accumulator is connected to gas source respectively.
10. a kind of test method using intercooler thermal cycling test system as claimed in claim 9, which is characterized in that including
Following steps:
(1) two test specimens are connected between two admission lines and two exhaust pipes；
(2) according to the medium temperature of test requirements document and flow, by control system to the gas stop valve on system pipeline, pressure regulation
Valve, the first switching valve, throttle valve and the second switching valve are controlled, and according to the medium temperature of setting, time and the frequency, make hot Jie
Matter and cold medium alternately pass through two test specimens and are tested, and heating period and cooling stage are determined according to testing standard；
(3) thermal cycling test inside intercooler is completed until completing defined temperature alternating number in circulation step (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810248967.XA CN110160794A (en) | 2018-03-25 | 2018-03-25 | A kind of intercooler thermal cycling test system and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810248967.XA CN110160794A (en) | 2018-03-25 | 2018-03-25 | A kind of intercooler thermal cycling test system and test method |
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| Publication Number | Publication Date |
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| CN110160794A true CN110160794A (en) | 2019-08-23 |
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ID=67636342
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810248967.XA Pending CN110160794A (en) | 2018-03-25 | 2018-03-25 | A kind of intercooler thermal cycling test system and test method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114441180A (en) * | 2020-11-02 | 2022-05-06 | 中国航发商用航空发动机有限责任公司 | Low-temperature durability test system and test method |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040042457A (en) * | 2002-11-14 | 2004-05-20 | 현대자동차주식회사 | Inter cooler for endurance test |
| CN105445030A (en) * | 2014-08-27 | 2016-03-30 | 上海德朗汽车零部件制造有限公司 | Device for heat cycle test of automobile intercooler |
| 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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN114441180A (en) * | 2020-11-02 | 2022-05-06 | 中国航发商用航空发动机有限责任公司 | Low-temperature durability test system and test method |
| CN114441180B (en) * | 2020-11-02 | 2023-10-13 | 中国航发商用航空发动机有限责任公司 | Low-temperature endurance test system and test method |
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Application publication date: 20190823 |