CN105910938A - Impact test box and impact mode thereof - Google Patents
Impact test box and impact mode thereof Download PDFInfo
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- CN105910938A CN105910938A CN201610387531.XA CN201610387531A CN105910938A CN 105910938 A CN105910938 A CN 105910938A CN 201610387531 A CN201610387531 A CN 201610387531A CN 105910938 A CN105910938 A CN 105910938A
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- 238000009863 impact test Methods 0.000 title claims description 20
- 239000007788 liquid Substances 0.000 claims description 113
- 238000012360 testing method Methods 0.000 claims description 57
- 238000003756 stirring Methods 0.000 claims description 15
- 230000035939 shock Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 6
- 238000005057 refrigeration Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 2
- 230000036461 convulsion Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention relates to an impact test box. The impact test box is characterized by comprising a high-temperature box (1), a low-temperature box (25) and a control system (28); high-temperature liquid (2) and a high-temperature box heating device (3) are arranged in the high-temperature box (1); low-temperature liquid (24) is arranged in the low-temperature box (25); the temperature of the high-temperature box (1) and the temperature of the low-temperature box (25) are both controlled by the control system (28); the high-temperature box (1) is communicated with a liquid inlet of a test piece (13) through a high-temperature pump (7) and a high-temperature liquid inflow valve (8); the low-temperature box (25) is communicated with a liquid inlet of the test piece (13) through a low-temperature pump (19) and a low-temperature liquid inflow valve (17); a liquid outlet of the test piece (13) is connected back into the high-temperature box (1) and the low-temperature box (25) through a high-temperature liquid return valve (15) and a low-temperature liquid return valve (16). The working environment of the impact test box is comfortable and safe, the test process is automatically completed completely, test conditions have unified standards, human instability factors are removed, and energy consumption is reduced.
Description
Technical field
The present invention relates to a kind of impact test case and impact mode thereof, specifically a kind of double pump liquid circulation thermal shock test chamber, it is primarily adapted for use in the liquid circulation cold shock testing of interiors of products medium, the index such as function life-span of the structure of the corrosion resistant within exemplar, heatproof, compression resistance and material can be examined.
Background technology
Modernization industry demand for development under, space flight, automobile, etc. Industry Quick Development, equipment overall performance index request the most constantly rises, and the performance indications of product component be it is also proposed more stringent requirement.Quality as the vitals performance of automobile, the important core parts electromotor of aircraft, radiator, charge air cooler, oil cooler, vaporizer etc. directly affects the performance of car load.
Liquid circulation cold shock testing, equipment and parts test to this kind of liquid internal circulation work are excellent for important, simulate its worst operating mode, and test condition the harshest.
Supervising the impact pump in Breakup of Liquid Ring thermal shock test chamber on the market is single pump-type, it has many defects, in extreme temperature shock, the variable frequency pump of impact, it is also subjected to the continuous impact of cold and hot liquids, thus the service life of the pump housing and blade is substantially reduced, the heat energy that pump body portion absorbs when temperature switches is very big, causes the biggest energy loss.Owing to high-temp liquid is different with the temperature of cryogenic liquid, the kinematic viscosity of liquid and density have the biggest difference, variable frequency pump cannot adjust high-temp liquid and cryogenic liquid flow and pressure in a short period of time, thus cause the fluctuation ratio of testpieces internal liquid pressure and flow relatively greatly, also it is not reaching to flow and the pressure required at the end of even one impact.
Summary of the invention
The invention reside in and overcome above-mentioned deficiency, a kind of double pump liquid circulation thermal shock test chamber and impact mode thereof is provided for tester, its comfortable working environment safety, experimental test process is fully automated to be completed, test condition is sought unity of standard, eliminate more artificial unstable factor, greatly reduce energy consumption.
The object of the invention is realized in:
A kind of impact test case, it includes high-temperature cabinet, cryostat and control system, it is provided with high-temp liquid in described high-temperature cabinet, high-temperature cabinet heater, it is provided with cryogenic liquid in described cryostat, described high-temperature cabinet, cryostat is realized temperature control by control system, described high-temperature cabinet passes through high-temperature pump, high temperature liquid feed valve connects with the inlet of test block, cryostat passes through cryopump, low temperature liquid feed valve connects with the inlet of test block, the liquid outlet of described test block returns liquid valve through high temperature respectively, low temperature returns liquid valve and takes back high-temperature cabinet, in cryostat, it is provided with main flow sensor on the inlet of test block, pressure transducer and temperature sensor.
Described control system is respectively with high-temperature cabinet heater, high-temperature pump, high temperature liquid feed valve, main flow sensor, pressure transducer, temperature sensor, time flow quantity sensor, high temperature returns liquid valve, low temperature returns liquid valve, low temperature liquid feed valve, cryopump are connected.
Between described high-temperature pump and the inlet of test block, also side is connected to a high temperature short valve, this high temperature short valve other end is connected with high-temperature cabinet, between described cryopump and the inlet of test block, also side is connected to a low temperature short valve, this low temperature short valve other end is connected with cryostat, and high temperature short valve is all connected with control system with low temperature short valve.
Flow quantity sensor it is provided with back on the liquid outlet of described test block.
Described high-temperature cabinet is connected by a communicating pipe with the wall box of cryostat.
Cryostat heater it is provided with in described cryostat.
Being connected with high-temperature stirring device on described high-temperature cabinet, this high-temperature stirring device is mixing pump or blade stirring motor, and mixing pump is connected in outside high-temperature cabinet, and the blade of blade stirring motor is placed in high-temperature cabinet.
Being connected with cold cycle pump outside described cryostat, cold cycle pumping hydrodynamic body carries out heat exchange through the heat exchanger freezed by refrigeration system and takes back to cryostat.
A kind of impact mode of impact test case:
During high temperature impact, high-temp liquid by high-temperature pump conveying through high temperature liquid feed valve, main flow sensor, pressure transducer, temperature sensor to test block, then return liquid valve through high temperature and return to high-temperature cabinet；
During low-temperature impact, cryogenic liquid by cryopump conveying through low temperature liquid feed valve, main flow sensor, pressure transducer, temperature sensor to test block, then return liquid valve through low temperature and return to cryostat；
Impact cycle process is by control system control, main flow sensor, pressure transducer, transfer data to control system, controlled the working speed of high-temperature pump, cryopump by control system, control to realize temperature shock time to test block into the opening and closing of four valves returning liquid simultaneously:
Between described high-temperature pump and the inlet of test block, also side is connected to a high temperature short valve, this high temperature short valve other end is connected with high-temperature cabinet, between described cryopump and the inlet of test block, also side is connected to a low temperature short valve, and this low temperature short valve other end is connected with cryostat；
During high temperature impact, cryopump operates in advance, cryogenic liquid is returned in cryostat through low temperature short valve, do low-temperature impact to prepare, during low-temperature impact, low temperature liquid feed valve is opened, and cryopump directly performs impact instruction, and transmits a signal to control system (28) quickly through main flow sensor and pressure transducer, make quickly fine setting, it is achieved the flow pressure control that high-temp liquid is precise and stable；
During low-temperature impact, high-temperature pump operates in advance, high-temp liquid is returned in high-temperature cabinet through high temperature short valve, do high temperature impact to prepare, during high temperature impact, high temperature liquid feed valve is opened, and high-temperature pump directly performs impact instruction, and transmits a signal to control system quickly through main flow sensor and pressure transducer, make quickly fine setting, it is achieved the flow pressure control that high-temp liquid is precise and stable.
Impact test case of the present invention and impact mode thereof have the advantage that
1, whole test process can allow equipment be automatically performed, need not manual operation test process, alleviate the working strength of tester, allow staff and test block accomplish to separate, when test block lost efficacy, high temperature or Low Temperature Liquid are known from experience tester when flowing out or spill and are not had potential safety hazard.
2, the stable high temperature of test block and cryogenic liquid can be supplied to, and reach the fluid flow needed for testpieces and pressure, control the time accurate, create standard, stable test condition.
3, the design of double pump type solves the shortcomings of single pump-type, and two pumps can independently control, and flow and pressure are precise and stable, can momentary stabilization during impact.
4, high-temperature pump and cryopump carry liquid respectively, variable frequency pump is only affected by a temperature, pump performance and service life will not be affected because of the impact of high/low temperature, and the pump housing needs to lose big energy when solving high/low temperature liquid switching in single pump-type cavity, reduce the energy loss in impact process, reduce power consumption, greatly speed up the recovery time of high temperature and low temperature.
5, flow quantity sensor is added back; for monitoring back the flow of liquid; when test block inefficacy or pipeline breaking cause big quantity of fluid to leak; control system is by the flow of main flow sensor and returns the flow of flow quantity sensor and contrasts, and when reaching certain difference, control system will send warning, shutdown; staff is reminded to check whether test block lost efficacy; it is easy to staff and understands the test block out-of-service time, it is to avoid big quantity of fluid flows out, and causes the waste of substantial amounts of energy loss and liquid.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of impact test case of the present invention.
Wherein: high-temperature cabinet 1, high-temp liquid 2, high-temperature cabinet heater 3, communicating pipe 4, high-temperature cabinet temperature sensor 5, high-temperature stirring device 6, high-temperature pump 7, high temperature liquid feed valve 8, high temperature short valve 9, main flow sensor 10, pressure transducer 11, temperature sensor 12, test block 13, return flow quantity sensor 14, high temperature returns liquid valve 15, low temperature returns liquid valve 16, low temperature liquid feed valve 17, low temperature short valve 18, cryopump 19, cryostat temperature sensor 21, cryostat heater 22, cold cycle pump 23, cryogenic liquid 24, cryostat 25, heat exchanger 26, refrigeration system 27, control system 28.
Detailed description of the invention
See Fig. 1, the present invention relates to a kind of impact test case, specifically a kind of double pump liquid circulation thermal shock test chamber, it includes high-temperature cabinet 1, cryostat 25 and control system 28, high-temp liquid 2 it is provided with in high-temperature cabinet 1, high-temperature cabinet heater 3, high-temperature cabinet temperature sensor 5, high-temp liquid 2 is heated by high-temperature cabinet heater 3, high-temperature cabinet temperature sensor 5 measures the temperature of a liquid, temperature control is realized by control system 28, high-temperature stirring device 6 it is connected with on high-temperature cabinet 1, this high-temperature stirring device 6 is mixing pump or blade stirring motor, mixing pump is connected in outside high-temperature cabinet 1, the blade of blade stirring motor is placed in high-temperature cabinet 1, liquid circulation is twitched by high-temperature stirring device 6, liquid is made to keep the uniformity of temperature.
It is provided with in cryostat 25, cryostat temperature sensor 21, cryostat heater 22, cryogenic liquid 24, cryostat 25 is outside is connected with cold cycle pump 23, cold cycle pump 23 plays stirring and conveying liquid carries out heat exchange, cold cycle pump 23 is twitched liquid and is carried out heat exchange through the heat exchanger 26 that freezed by refrigeration system 27 and be back to cryostat 25, cryostat temperature sensor 21 measures the temperature of a liquid, as temperature is heated the counteracting cold made by cryostat heater 22 less than the temperature required again, or the cold offsetting many works is adjusted by heat exchanger 26 and refrigeration system 27, and realized temperature control by control system 28.
Described high-temperature cabinet 1 is connected with the inlet of test block 13 by high-temperature pump 7, high temperature liquid feed valve 8, cryostat 25 is connected with the inlet of test block 13 by cryopump 19, low temperature liquid feed valve 17, and high-temperature pump 7 and cryopump 19 are variable frequency pump or governor impeller or variable capacity pump.
Described high-temperature pump 7 exports also side between the inlet of test block 13 and is connected to a high temperature short valve 9, this high temperature short valve 9 other end is connected with high-temperature cabinet 1, between described cryopump 19 and the inlet of test block 13, also side is connected to a low temperature short valve 18, this low temperature short valve 18 other end is connected with cryostat 25
nullIt is additionally provided with main flow sensor 10 on the inlet of described test block 13、Pressure transducer 11 and temperature sensor 12，Flow quantity sensor 14 it is provided with back on the liquid outlet of test block 13，High-temperature cabinet 1、Liquid in cryostat 25 is through main flow sensor 10、Pressure transducer 11、Temperature sensor 12 is in test block 13，After the liquid outlet of described test block 13 is by returning flow quantity sensor 14，Liquid valve 15 is returned the most respectively through high temperature、Low temperature returns liquid valve 16 and takes back high-temperature cabinet 1、In cryostat 25，Flow quantity sensor 14 is utilized back to contrast with the flow of main flow sensor 10，Judge whether test block 13 lost efficacy，If the flow returning flow quantity sensor 14 and main flow sensor 10 reaches certain difference，Control system will send warning、Shut down，Staff is reminded to check whether test block 13 lost efficacy.
Described control system 28 respectively with high-temperature cabinet heater 3, high-temperature cabinet temperature sensor 5, high-temperature pump 7, high temperature liquid feed valve 8, high temperature short valve 9, main flow sensor 10, pressure transducer 11, temperature sensor 12, return flow quantity sensor 14, high temperature returns liquid valve 15, low temperature returns liquid valve 16, low temperature liquid feed valve 17, low temperature short valve 18, cryopump 19, cryostat temperature sensor 21, cryostat heater 22 are connected, be used for accepting sensor signal the switch of control valve and the rotating speed of pump.
Described high-temperature cabinet 1 passes through to be connected a communicating pipe 4 with the wall box of cryostat 25, this communicating pipe 4 keeps balance for making the liquid level of high-temperature cabinet 1 and cryostat 25, decrease in thermal shock handoff procedure, a large amount of energy consumptions that in pipeline, cold and hot liquids causes when returning liquid, the stability of work when improve impact.
The impact mode of this impact test case is:
During high temperature impact, high-temp liquid 2 is carried through high temperature liquid feed valve 8, main flow sensor 10, pressure transducer 11, temperature sensor 12 to test block 13 by high-temperature pump 7, then returns liquid valve 15 return to high-temperature cabinet 1 through time flow quantity sensor 14, high temperature；
During low-temperature impact, cryogenic liquid 24 is carried through low temperature liquid feed valve 17, main flow sensor 10, pressure transducer 11, temperature sensor 12 to test block 13 by cryopump 19, then returns liquid valve 16 return to cryostat 25 through time flow quantity sensor 14, low temperature.
Impact process is controlled by control system 28, main flow sensor 11, pressure transducer 12, send corresponding data to control system 28, high-temperature pump 7, the working speed of cryopump 19 is controlled by control system 28, thus ensure the flow required by impact test and pressure, control the opening and closing into four valves returning liquid simultaneously and realize the temperature shock time to test block 12.During high temperature impact, cryogenic liquid 24, with certain rotation speed operation, is returned to cryostat 25 through low temperature short valve 18 by cryopump 19 certain time in advance, do low-temperature impact to prepare, during low-temperature impact, low temperature short valve 18 is closed, and low temperature liquid feed valve 17 is opened, and starts low-temperature impact circulation；During same low-temperature impact, high-temp liquid 2, with certain rotation speed operation, is returned to high-temperature cabinet 1 through high temperature short valve 9 by high-temperature pump 7 certain time in advance, does high temperature impact and prepares, and during high temperature impact, high temperature short valve 9 is closed, and high temperature liquid feed valve 8 is opened, and starts high temperature impact.
The accurate control principle of flow pressure: owing to density and the kinematic viscosity of high temperature cryogenic liquid are different, when reaching identical flow or pressure, the rotating speed of high-temperature pump has bigger gap, when low-temperature impact, high-temperature pump can shift to an earlier date before formal high temperature impact carries out high temperature impact preparation with certain rotation speed operation, this rotating speed is one basic value of the rotating speed of the required flow reached or pressure when being to meet high temperature impact, and return in fuel tank by high temperature short valve, when high temperature impact, high-temperature pump directly performs impact instruction, and transmit a signal to control system quickly through main flow sensor and pressure transducer, make quickly fine setting, thus realize the precise and stable flow pressure of high-temp liquid and control；In like manner when high temperature impact, cryopump is carried out low-temperature impact with certain rotating speed in advance and is prepared, and when low-temperature impact, cryopump directly performs impact instruction, then is rapidly achieved required flow or pressure by the collection of system with calculating.High/low temperature pump work will not be caused because drain pipe road blocks abnormal and damage when the effect of high temperature short valve and low temperature short valve mainly protection high-temperature pump and the operating of cryopump preparatory stage.
Claims (10)
- null1. an impact test case，It is characterized in that: it includes high-temperature cabinet (1)、Cryostat (25) and control system (28)，High-temp liquid (2) it is provided with in described high-temperature cabinet (1)、High-temperature cabinet heater (3)，Cryogenic liquid (24) it is provided with in described cryostat (25)，Described high-temperature cabinet (1)、Cryostat (25) is realized temperature control by control system (28)，Described high-temperature cabinet (1) passes through high-temperature pump (7)、High temperature liquid feed valve (8) connects with the inlet of test block (13)，Cryostat (25) passes through cryopump (19)、Low temperature liquid feed valve (17) connects with the inlet of test block (13)，The liquid outlet of described test block (13) returns liquid valve (15) through high temperature respectively、Low temperature returns liquid valve (16) and takes back high-temperature cabinet (1)、In cryostat (25)，Main flow sensor (10) it is provided with on the inlet of test block (13)、Pressure transducer (11) and temperature sensor (12).
- A kind of impact test case the most according to claim 1, it is characterised in that: described control system (28) is respectively with high-temperature cabinet heater (3), high-temperature pump (7), high temperature liquid feed valve (8), main flow sensor (10), pressure transducer (11), temperature sensor (12), time flow quantity sensor (14), high temperature returns liquid valve (15), low temperature returns liquid valve (16), low temperature liquid feed valve (17), cryopump (19) are connected.
- A kind of impact test case the most according to claim 1, it is characterized in that: between the inlet of described high-temperature pump (7) and test block (13), also side is connected to a high temperature short valve (9), this high temperature short valve (9) other end is connected with high-temperature cabinet (1), between the inlet of described cryopump (19) and test block (13), also side is connected to a low temperature short valve (18), this low temperature short valve (18) other end is connected with cryostat (25), and high temperature short valve (9) is all connected with control system (28) with low temperature short valve (18).
- A kind of impact test case the most according to claim 1, it is characterised in that: it is provided with back flow quantity sensor (14) on the liquid outlet of described test block (13).
- A kind of impact test case the most according to claim 1, it is characterised in that: described high-temperature cabinet (1) passes through to be connected a communicating pipe (4) with the wall box of cryostat (25).
- A kind of impact test case the most according to claim 1, it is characterised in that: it is provided with cryostat heater (22) in described cryostat (25).
- A kind of impact test case the most according to claim 1, it is characterized in that: on described high-temperature cabinet (1), be connected with high-temperature stirring device (6), this high-temperature stirring device (6) is mixing pump or blade stirring motor, mixing pump is connected in high-temperature cabinet (1) outward, and the blade of blade stirring motor is placed in high-temperature cabinet (1).
- A kind of impact test case the most according to claim 1, it is characterized in that: the outside cold cycle pump (23) that is connected with of described cryostat (25), cold cycle pump (23) twitch liquid carries out heat exchange through the heat exchanger (26) freezed by refrigeration system (27) and takes back to cryostat (25).
- The impact mode of a kind of impact test case the most as claimed in claim 1, it is characterised in that:During high temperature impact, high-temp liquid (2) by high-temperature pump (7) conveying through high temperature liquid feed valve (8), main flow sensor (10), pressure transducer (11), temperature sensor (12) to test block (13), then return liquid valve (15) through high temperature and return to high-temperature cabinet (1)；During low-temperature impact, cryogenic liquid (24) by cryopump (19) conveying through low temperature liquid feed valve (17), main flow sensor (10), pressure transducer (11), temperature sensor (12) to test block (13), then return liquid valve (16) through low temperature and return to cryostat (25)；Impact cycle process is controlled by control system (28), main flow sensor (11), pressure transducer (12), transfer data to control system (28), controlled high-temperature pump (7), the working speed of cryopump (19) by control system (28), control the opening and closing into four valves returning liquid simultaneously and realize the temperature shock time to test block (13).
- The impact mode of a kind of impact test case the most according to claim 9, it is characterized in that: between the inlet of described high-temperature pump (7) and test block (13), also side is connected to a high temperature short valve (9), this high temperature short valve (9) other end is connected with high-temperature cabinet (1), between the inlet of described cryopump (19) and test block (13), also side is connected to a low temperature short valve (18), and this low temperature short valve (18) other end is connected with cryostat (25)；During high temperature impact, cryopump (19) operates in advance, by cryogenic liquid (24) in low temperature short valve (18) returns to cryostat (25), do low-temperature impact to prepare, during low-temperature impact, low temperature liquid feed valve (17) is opened, and cryopump (19) directly performs impact instruction, and transmits a signal to control system (28) quickly through main flow sensor (10) and pressure transducer (11), make quickly fine setting, it is achieved the flow pressure control that high-temp liquid is precise and stable；During low-temperature impact, high-temperature pump (7) operates in advance, by high-temp liquid (2) in high temperature short valve (9) returns to high-temperature cabinet (1), do high temperature impact to prepare, during high temperature impact, high temperature liquid feed valve (8) is opened, and high-temperature pump (7) directly performs impact instruction, and transmits a signal to control system (28) quickly through main flow sensor (10) and pressure transducer (11), make quickly fine setting, it is achieved the flow pressure control that high-temp liquid is precise and stable.
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| CN201610387531.XA CN105910938A (en) | 2016-06-03 | 2016-06-03 | Impact test box and impact mode thereof |
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| CN201610387531.XA CN105910938A (en) | 2016-06-03 | 2016-06-03 | Impact test box and impact mode thereof |
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Cited By (11)
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| CN106442194A (en) * | 2016-11-02 | 2017-02-22 | 湘潭大学 | Coating failure testing device considering mechanical-heat-impact cyclic load effect |
| CN106525633A (en) * | 2016-11-25 | 2017-03-22 | 防城港市质量技术监督局 | High-low-temperature experiment device with fire extinguishment function |
| CN108020410A (en) * | 2017-12-22 | 2018-05-11 | 丰业迪睦斯（芜湖）汽车部件有限公司 | Door hinge high-low temperature test chamber |
| CN108088692A (en) * | 2016-11-23 | 2018-05-29 | 上海汽车集团股份有限公司 | A kind of thermal shock test method of radiator, apparatus and system |
| CN108132200A (en) * | 2018-01-30 | 2018-06-08 | 重庆大学 | A kind of two-box type thermal shock experiment device for superhigh temperature ceramics |
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| CN108489831A (en) * | 2018-02-23 | 2018-09-04 | 江苏省产品质量监督检验研究院 | A kind of cold and hot water cycle test equipment |
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| CN110160794A (en) * | 2018-03-25 | 2019-08-23 | 上海瀚海检测技术股份有限公司 | A kind of intercooler thermal cycling test system and test method |
| CN111238801A (en) * | 2020-03-23 | 2020-06-05 | 上海飞龙新能源汽车部件有限公司 | Thermal management control valve endurance test device |
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