CN107144487B - Thermal shock test device capable of carrying out flow change oscillation - Google Patents
Thermal shock test device capable of carrying out flow change oscillation Download PDFInfo
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- CN107144487B CN107144487B CN201710537522.9A CN201710537522A CN107144487B CN 107144487 B CN107144487 B CN 107144487B CN 201710537522 A CN201710537522 A CN 201710537522A CN 107144487 B CN107144487 B CN 107144487B
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- way valve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/60—Investigating resistance of materials, e.g. refractory materials, to rapid heat changes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0224—Thermal cycling
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- Chemical & Material Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Other Air-Conditioning Systems (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model provides a can carry out thermal shock test device that flow change was oscillated, includes first and second liquid storage tank that connects the setting in parallel, and a liquid storage tank connection refrigerator refrigerates the medium in the first liquid storage tank, and second liquid storage tank connection heating pipe heats the medium in the second liquid storage tank, its characterized in that: the liquid inlets of the liquid storage tank I and the liquid storage tank II are connected with the three-way valve I together, the liquid outlets of the liquid storage tank I and the liquid storage tank II are connected with the three-way valve II together, and a loop I and a loop II are arranged between the three-way valve II and the three-way valve I. The invention provides a thermal shock test device capable of carrying out flow change oscillation, which fully simulates thermal fatigue impact of a radiator at the initial stage of opening a thermostat, and improves the guidance of design and development.
Description
Technical Field
The invention belongs to the technical field of automobile cooling systems, and particularly relates to a thermal shock test device capable of performing flow change oscillation.
Background
Automotive radiator reliability requires that it must withstand thermal cycling shocks without failure leakage during warranty. In the design verification stage, a thermal cycle impact test stand is usually adopted in a laboratory to verify the thermal impact resistance of a product. The traditional thermal shock test bench can only simulate the thermal shock test of the radiator at the rated flow or the rated flow of a certain proportion. The radiator can not be simulated to have small flow thermal shock caused by the vibration of the radiator when the thermostat is started in the initial stage, and the thermal shock at the stage is a main cause of thermal cycle impact fatigue failure of the radiator. The thermal shock test performed by the traditional thermal shock test bed has no strong guidance on design and development.
Disclosure of Invention
The invention aims to provide a thermal shock test device capable of carrying out flow change oscillation, which fully simulates thermal fatigue impact of a radiator on the radiator at the initial stage of opening a thermostat and improves the guidance on design and development.
The purpose of the invention is realized in the following way: the utility model provides a can carry out thermal shock test device that flow change was oscillated, includes first and second liquid storage tank that connects the setting in parallel, and a liquid storage tank connection refrigerator refrigerates the medium in the first liquid storage tank, and second liquid storage tank connection heating pipe heats the medium in the second liquid storage tank, its characterized in that: the liquid inlets of the liquid storage tank I and the liquid storage tank II are connected with a three-way valve I together, the liquid outlets of the liquid storage tank I and the liquid storage tank II are connected with a three-way valve II together, and a loop I and a loop II are arranged between the three-way valve II and the three-way valve I;
loop one: the second three-way valve is connected back to the first three-way valve through the water pump, the first flowmeter and the third three-way valve in sequence;
and a second loop: the second three-way valve is connected with the first three-way valve through the water pump, the first flowmeter, the third three-way valve, the second flowmeter and the radiator in sequence.
By adopting the technical scheme, the refrigerating machine and the heating pipe refrigerate or heat the water storage tank to obtain a cold medium and a heat medium, then the computer controls the water pump frequency converter and the three-way valve according to a given flow curve to obtain the required variable flow, and then the heat shock test is carried out on the radiator according to the variable flow. The cold and hot medium has two circulation loops, and the loops return to the liquid storage tank after being split by the first flowmeter and the third three-way valve. The second loop enters the radiator through the third three-way valve and the second flowmeter, carries out thermal shock test or cooling of the variable flow rate on the radiator, and returns to the corresponding liquid storage tank after exiting the radiator.
Further, the first measuring range of the flowmeter is larger than the second measuring range of the flowmeter.
Further, the water pump can be of variable power.
Further, the power of the refrigerator is adjustable, and the power of the heating pipe is adjustable.
Further, the fan on the radiator is a mechanical fan or an electronic fan.
Compared with the prior art, the invention has the beneficial effects that: the device can reasonably simulate the small-flow thermal shock caused by the change oscillation of the radiator when the radiator is started in the initial stage of the thermostat. And can carry out durable impact verification in a reciprocating cycle, and has guiding significance for design development and improvement of the design.
Drawings
FIG. 1 is a schematic diagram of the principles of the present invention;
fig. 2 is a graph of the flow rate over time for the present invention.
Reference numerals: 1. a first liquid storage tank; 2. a second liquid storage tank; 3. a refrigerating machine; 4. heating pipes; 5. a first three-way valve; 6. a three-way valve II; 7. a water pump; 8. a first flowmeter; 9. three-way valve III; 10. a second flowmeter; 11. a fan; 12. a heat sink.
Detailed Description
The invention is further described in the following embodiments with reference to the figures, see fig. 1-2:
the utility model provides a can carry out thermal shock test device that flow change was oscillated, includes parallelly connected setting's liquid reserve tank 1 and liquid reserve tank 2, and liquid reserve tank 1 is connected refrigerator 3 and is cooled to the medium in liquid reserve tank 1, and liquid reserve tank 2 is connected heating pipe 4 and is heated the medium in liquid reserve tank 2, its characterized in that: the liquid inlets of the first liquid storage tank 1 and the second liquid storage tank 2 are connected with the three-way valve 5 together, the liquid outlets of the first liquid storage tank and the second liquid storage tank 2 are connected with the three-way valve 6 together, and a loop I and a loop II are arranged between the three-way valve 6 and the three-way valve 5;
loop one: the second three-way valve 6 is connected back to the first three-way valve 5 through the water pump 7, the first flowmeter 8 and the third three-way valve 9 in sequence;
and a second loop: the second three-way valve 6 is connected with the first three-way valve 5 through the water pump 7, the first flowmeter 8, the third three-way valve 9, the second flowmeter 10 and the radiator 12 in sequence.
So arranged, the refrigerator 3 and the heating pipe 4 refrigerate or heat the water storage tank to obtain a cold medium and a heat medium, then the computer controls the frequency converter and the three-way valve of the water pump 7 according to a given flow curve to obtain a required variable flow, and then the heat radiator 12 is subjected to a thermal shock test at the variable flow. The cold and hot medium has two circulation loops, and the loops return to the liquid storage tank after being split by the first flowmeter 8 and the third three-way valve 9. The second loop enters the radiator 12 through the three-way valve III 9 and the flowmeter II 10, carries out variable flow thermal shock test or cooling on the radiator 12, and returns to the corresponding liquid storage tank after exiting the radiator 12.
Further, the measuring range of the first flowmeter 8 is larger than that of the second flowmeter 10.
Further, the water pump 7 can be of variable power.
Further, the power of the refrigerator 3 is adjustable, and the power of the heating pipe 4 is adjustable.
Further, the fan 11 on the heat sink 12 is a mechanical fan 11 or an electronic fan 11.
Compared with the prior art, the invention has the beneficial effects that: the device can reasonably simulate the small flow thermal shock of the radiator 12 caused by the change oscillation of the radiator 12 in the initial stage of opening the thermostat. And can carry out durable impact verification in a reciprocating cycle, and has guiding significance for design development and improvement of the design.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (4)
1. The utility model provides a can carry out thermal shock test device that flow change was oscillated, includes parallelly connected liquid reserve tank one (1) and liquid reserve tank two (2), and liquid reserve tank one (1) is connected refrigerator (3) and is refrigerated to the medium in liquid reserve tank one (1), and liquid reserve tank two (2) are connected heating pipe (4) and are heated the medium in liquid reserve tank two (2), its characterized in that: the liquid inlets of the liquid storage tank I (1) and the liquid storage tank II (2) are connected with a three-way valve I (5) together, the liquid outlets of the liquid storage tank I and the liquid storage tank II (2) are connected with a three-way valve II (6) together, and a loop I and a loop II are arranged between the three-way valve II (6) and the three-way valve I (5);
loop one: the second three-way valve (6) is connected back to the first three-way valve (5) through the water pump (7), the first flowmeter (8) and the third three-way valve (9) in sequence;
and a second loop: the second three-way valve (6) is connected with the first three-way valve (5) through the water pump (7), the first flowmeter (8), the third three-way valve (9), the second flowmeter (10) and the radiator (12) in sequence;
the water pump (7) has variable power;
the computer controls the frequency converter of the water pump (7), the first three-way valve (5), the second three-way valve (6) and the third three-way valve (9) according to a given flow curve to obtain the required variable flow, and the variable flow is used for carrying out variable oscillation on the radiator (12) to carry out small-flow thermal shock.
2. The thermal shock test device capable of performing flow rate variation oscillation according to claim 1, wherein: the measuring range of the first flowmeter (8) is larger than that of the second flowmeter (10).
3. The thermal shock test device capable of performing flow rate variation oscillation according to claim 1, wherein: the power of the refrigerator (3) is adjustable, and the power of the heating pipe (4) is adjustable.
4. The thermal shock test device capable of performing flow rate variation oscillation according to claim 1, wherein: the fan (11) on the radiator (12) is a mechanical fan (11) or an electronic fan (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710537522.9A CN107144487B (en) | 2017-07-04 | 2017-07-04 | Thermal shock test device capable of carrying out flow change oscillation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710537522.9A CN107144487B (en) | 2017-07-04 | 2017-07-04 | Thermal shock test device capable of carrying out flow change oscillation |
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| Publication Number | Publication Date |
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| CN107144487A CN107144487A (en) | 2017-09-08 |
| CN107144487B true CN107144487B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710537522.9A Active CN107144487B (en) | 2017-07-04 | 2017-07-04 | Thermal shock test device capable of carrying out flow change oscillation |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111811831A (en) * | 2020-06-30 | 2020-10-23 | 东风马勒热系统有限公司 | Intercooler thermal cycle test equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201440107U (en) * | 2009-07-17 | 2010-04-21 | 东莞市升微机电设备科技有限公司 | Radiator circulation testing machine |
| JP2010223050A (en) * | 2009-03-23 | 2010-10-07 | Aisin Seiki Co Ltd | Cooling device for engine |
| CN201852773U (en) * | 2010-07-30 | 2011-06-01 | 中国科学院金属研究所 | Corrosion fatigue tester with high-temperature and high-pressure circulating water |
| CN203376225U (en) * | 2013-06-28 | 2014-01-01 | 南方英特空调有限公司 | Heat cycle test equipment |
| KR101425407B1 (en) * | 2013-01-25 | 2014-08-01 | 한국기계연구원 | Thermal shock fatigue testing apparatus for radiator tester for automobile |
| CN203824753U (en) * | 2014-03-13 | 2014-09-10 | 潍柴动力股份有限公司 | Engine cold and hot impact test device |
| JP2016023981A (en) * | 2014-07-17 | 2016-02-08 | エスペック株式会社 | Environmental test device and environmental test method |
| CN205808715U (en) * | 2016-06-22 | 2016-12-14 | 南通信达诺测控技术有限公司 | A kind of universal cold shock testing device |
| CN206974847U (en) * | 2017-07-04 | 2018-02-06 | 浙江银轮机械股份有限公司 | The thermal shock rig of changes in flow rate concussion can be carried out |
-
2017
- 2017-07-04 CN CN201710537522.9A patent/CN107144487B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010223050A (en) * | 2009-03-23 | 2010-10-07 | Aisin Seiki Co Ltd | Cooling device for engine |
| CN201440107U (en) * | 2009-07-17 | 2010-04-21 | 东莞市升微机电设备科技有限公司 | Radiator circulation testing machine |
| CN201852773U (en) * | 2010-07-30 | 2011-06-01 | 中国科学院金属研究所 | Corrosion fatigue tester with high-temperature and high-pressure circulating water |
| KR101425407B1 (en) * | 2013-01-25 | 2014-08-01 | 한국기계연구원 | Thermal shock fatigue testing apparatus for radiator tester for automobile |
| CN203376225U (en) * | 2013-06-28 | 2014-01-01 | 南方英特空调有限公司 | Heat cycle test equipment |
| CN203824753U (en) * | 2014-03-13 | 2014-09-10 | 潍柴动力股份有限公司 | Engine cold and hot impact test device |
| JP2016023981A (en) * | 2014-07-17 | 2016-02-08 | エスペック株式会社 | Environmental test device and environmental test method |
| CN205808715U (en) * | 2016-06-22 | 2016-12-14 | 南通信达诺测控技术有限公司 | A kind of universal cold shock testing device |
| CN206974847U (en) * | 2017-07-04 | 2018-02-06 | 浙江银轮机械股份有限公司 | The thermal shock rig of changes in flow rate concussion can be carried out |
Non-Patent Citations (1)
| Title |
|---|
| 基于冷热冲击性能的新型散热器主片设计和优化;张晓萍等;现代车用动力(第4期);第6-9页 * |
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| CN107144487A (en) | 2017-09-08 |
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