CN102608300B - Ageing tester for composites structures under multiple factor environments - Google Patents
Ageing tester for composites structures under multiple factor environments Download PDFInfo
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- CN102608300B CN102608300B CN201210064761.4A CN201210064761A CN102608300B CN 102608300 B CN102608300 B CN 102608300B CN 201210064761 A CN201210064761 A CN 201210064761A CN 102608300 B CN102608300 B CN 102608300B
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Abstract
The invention discloses an ageing tester for composites structures under multiple factor environments, which comprises a testing room, a tension system, a salt spray system, a light irradiation system, a temperature-humidity system, a shower system and a high voltage system. The testing room is connected with the tension system, the salt spray system, the light irradiation system, the temperature-humidity system, the shower system and the high voltage system. The tension system, the salt spray system, the light irradiation system, the temperature-humidity system, the shower system and the high voltage system are mixed, so that in testing, one or more systems can be turned on to test a test piece made of composites and installed in the ageing tester under one or more environments according to testing requirements, and expected testing results can be achieved. The ageing tester can be used for ageing testing of composites structures under multiple factor environments.
Description
Technical field
The present invention relates to the multifactor environmental aging test unit of a kind of composite element.
Background technology
Compound substance, i.e. resin type compound substance, due to have lightweight, intensity is high, corrosion-resistant, machine-shaping convenient and the advantage such as good designability, be widely used in departments such as building materials, space flight, aviations.
Now need composite element, the shaft tower be especially made up of compound substance, carry out multifactor environmental aging test.This multifactor environment comprise apply pulling force and high-tension electricity state under, salt mist environment, light radiation environment, humiture environment, rain spraying environment.This multifactor environmental aging test can be tested shaft tower under an ambient condition or multiple ambient condition.But, the rational test unit of present neither one can by applying pulling force and high-tension electricity state under, salt mist environment, light radiation environment, humiture environment, rain spraying environment, six kinds of environment are mixed in an appliance arrangement, can according to test needs, after switching one or more environment, shaft tower is carried out to the test of multifactor environment.
Summary of the invention
The technical problem to be solved in the present invention is to provide the multifactor environmental aging test unit of a kind of composite element.
The technical solution adopted for the present invention to solve the technical problems is: the multifactor environmental aging test unit of a kind of composite element, it comprises experiment work room and tension system, salt mist system, light irradiation system, humiture system, rain system and high-tension system, and described experiment work room connects with tension system, salt mist system, light irradiation system, humiture system, rain system, high-tension system.
Be further used as the improvement of technical solution of the present invention, described experiment work room is provided with several vent ports, and experiment work room is also provided with suction opeing and air inlet, and experiment work indoor are provided with three mount pads, described mount pad is isosceles triangle distribution, and described mount pad can be provided with sample workpiece.
Be further used as the improvement of technical solution of the present invention, described tension system comprises steel wire and is located at the first fixed pulley of experiment work outdoor, is located at the second fixed pulley, running block and counterweight platform above the first fixed pulley, one end of described steel wire is connected to sample workpiece upper end, the other end is connected with counterweight platform after walking around the first fixed pulley, the second fixed pulley and running block successively, also be provided with insulator between described steel wire and sample workpiece, described steel wire extexine is provided with anti-corrosion layer.
Be further used as the improvement of technical solution of the present invention, described salt mist system comprises the ultrasound wave salt fog generator being provided with several salt fog generation chamber and being located in each salt fog generation chamber, described salt fog generator can be communicated to experiment work room, be provided with locellus door between described salt fog generation chamber and experiment work room, described salt fog generation chamber is provided with the first air intake opening.
Be further used as the improvement of technical solution of the present invention, described light irradiation system comprises some water-cooling type xenon long-arc lamps, and described water-cooling type xenon long-arc lamp is that yi word pattern is arranged in a straight line, and adjacent water-cooling type xenon long-arc lamp head and the tail are relative and parallel with sample workpiece.
Be further used as the improvement of technical solution of the present invention, described humiture system comprises air exhauster, pipeline and constant temperature and humidity device, and the input end of described air exhauster is connected with suction opeing, the output terminal of air exhauster is connected with air inlet, is also provided with constant temperature and humidity device between described air exhauster and air inlet.
Be further used as the improvement of technical solution of the present invention, the water pump that described rain system comprises several nozzles being arranged on experiment work indoor, is arranged on the water tank of experiment work outdoor and is placed in water tank, described water delivery side of pump is connected with nozzle, and described nozzle is arranged on top, experiment work room.
Be further used as the improvement of technical solution of the present invention, described high-tension system is arranged on experiment work outdoor, high-tension system comprises transtat and current detecting equipment, the output terminal of described transtat connects with sample workpiece upper end, and the input end of described current detecting equipment connects with sample workpiece lower end.
Be further used as the improvement of technical solution of the present invention, also comprise the second air intake opening be arranged on pipeline, exhausr port and the unlatching of the second air intake opening and exhausr port, the damper control of closure state can be controlled.
Beneficial effect of the present invention: the present invention is by mixing tension system, salt mist system, light irradiation system, humiture system, rain system and high-tension system six systems, at the trial, install by the sample workpiece meeting material and make in the present invention, can according to test needs, open one or more system, sample workpiece can be made to test in an environment or multiple environment, reach the test effect of anticipation.
The present invention can be used for the multifactor environmental aging test unit of composite element.
Accompanying drawing explanation
Fig. 1 is module diagram of the present invention;
Fig. 2 is the structural representation of tension system in the present invention;
Fig. 3 is the structural representation of salt mist system in the present invention;
Fig. 4 is the structural representation of light irradiation system in the present invention;
Fig. 5 is the structural representation of humiture system in the present invention;
Fig. 6 is the structural representation of rain system in the present invention.
Embodiment
With reference to Fig. 1, the multifactor environmental aging test unit of a kind of composite element, it comprises experiment work room 1 and tension system 90, salt mist system 91, light irradiation system 92, humiture system 93, rain system 94 and high-tension system 95, and described experiment work room 1 connects with tension system 90, salt mist system 91, light irradiation system 92, humiture system 93, rain system 94, high-tension system 95.Also comprise central controller 99, central controller 99 and tension system 90, salt mist system 91, light irradiation system 92, humiture system 93, rain system 94 and high-tension system 95 electrically connect.Central controller 99 can control the opening and closing of tension system 90, salt mist system 91, light irradiation system 92, humiture system 93, rain system 94 and high-tension system 95.In specimen, when sample workpiece 10 lost efficacy under the effect of tension system 90, tension system 90 feeds back to central controller 99, and central controller 99 cuts out salt mist system 91, light irradiation system 92, humiture system 93, rain system 94 and high-tension system 95.
By tension system 90, salt mist system 91, light irradiation system 92, humiture system 93, rain system 94 and high-tension system 95 6 systems are mixed, at the trial, install by the sample workpiece 10 meeting material and make in the present invention, can according to test needs, open one or more system, sample workpiece 10 can be made to test in an environment or multiple environment, reach the test effect of anticipation.
As the preferred embodiment of the present invention, described experiment work room 1 is provided with several vent ports 2, experiment work room 1 is also provided with suction opeing 3 and air inlet 4, is provided with three mount pads in experiment work room 1, described mount pad is isosceles triangle distribution, and described mount pad can be provided with sample workpiece 10.
As the preferred embodiment of the present invention, described tension system comprises steel wire 9 and is located at the first fixed pulley 5 outside experiment work room 1, is located at the second fixed pulley 6, running block 7 and counterweight platform 8 above the first fixed pulley 5, one end of described steel wire 9 is connected to sample workpiece 10 upper end, and the other end is connected with counterweight platform 8 after walking around the first fixed pulley 5, second fixed pulley 6 and running block 7 successively.Also be provided with insulator 11 between described steel wire 8 and sample workpiece 10, steel wire 8 can be prevented to be in out dotted state, described steel wire 9 extexine is provided with anti-corrosion layer, and prevent under salt mist environment, steel wire 9 is corroded.In the present invention, sample workpiece 10 is long rod type, sample workpiece 10 vertically places or horizontal positioned all has requirement to the inner space of experiment work room 1, if and when tensile test being carried out to sample workpiece 10 under high pressure conditions is drenched with rain in simulation, sample workpiece 10 surface can not ponding, therefore sample workpiece 10 can be placed to and becomes angle with surface level, sample workpiece 10 surface not ponding can be made, prevent series conductor phenomenon and occur.Angle in the present invention between sample workpiece 4 and surface level is 45 °.Force application apparatus to apply power size and Orientation to sample workpiece 4 is adjusted by the first fixed pulley 5, running block 7 and the second fixed pulley 6.
As the preferred embodiment of the present invention, described salt mist system comprises the ultrasound wave salt fog generator 13 being provided with several salt fog generation chamber 12 and being located in each salt fog generation chamber 12, described salt fog generator 13 can be communicated to experiment work room 1, be provided with locellus door 14 between described salt fog generation chamber 12 and experiment work room 1, described salt fog generation chamber 12 is provided with the first air intake opening 15.
The principle of work of ultrasound wave salt fog generator 13 utilizes ultrasonic generator and transducer to produce self-sustained oscillation, the ultrasound wave that radiation is strong in water, ultrasound wave acts on the salt solusion to be atomized in salt-fog chamber by water and semi-permeable diaphragm transmission, make the microbubble starting of oscillation under sound field reflecting be present in salt solusion, when acoustic pressure reaches certain value, then microbubble undergoes rapid expansion closes suddenly, produces shock wave when microbubble closes.A series of dynamic processes such as this expansion, closed, vibration are called acoustic cavitation.Under acoustic cavitation effect, liquid disperses and forms mist at liquid surface to fly ease in the gas phase, mist is under the drive of flowing gas, flow out from salt-fog chamber continually and realize ultrasonic atomizatio, make the salt fog particle diameter of generation less, thus improve the validity of salt-fog test result.
The sidewall that described each salt fog generation chamber 12 is communicated with experiment work room 1 is also provided with locellus door 14, described locellus door 14 can be opened, during work, salt solution can be passed in each salt fog generation chamber 12 of trend, and ultrasound wave salt fog generator 12 is placed in the salt solution in each salt fog generation chamber 12, locellus door 14 is opened, salt solution can be atomized into the little salt fog of particle diameter by ultrasound wave salt fog generator 13, realize the controllability that salt fog is produced, and salt fog can be diffused into experiment work room 1 from each locellus door 14, and cover on sample workpiece 10 equably, realize the settling amount homogeneity of salt fog.
As the preferred embodiment of the present invention, described light irradiation system comprises some water-cooling type xenon long-arc lamps 16, and described water-cooling type xenon long-arc lamp 16 is arranged in a straight line in yi word pattern, and adjacent water-cooling type xenon long-arc lamp 16 head and the tail are relative and parallel with sample workpiece 10.
In the present invention, be provided with three sample workpiece 10 in experiment work room 1, distribute in isosceles triangle, sample workpiece 10 and horizontal positioned mask have angle, and the angle of this angle is 45 °.4 some water-cooling type xenon long-arc lamps 16 are provided with above the test piece of centre, obtaining water-cooling type xenon long-arc lamp 16 in the present invention is line sources, therefore some water-cooling type xenon long-arc lamps 16 are arranged in a straight line in yi word pattern, adjacent water-cooling type xenon long-arc lamp 16 head and the tail are relative and parallel with sample workpiece 10, and namely water-cooling type xenon long-arc lamp 16 and level prevent the angle in face from being 45 °.Water-cooling type xenon long-arc lamp 16 can be fixed on top, experiment work room, and is 480mm with the distance of sample workpiece 10.The inner filtration cover of water-cooling type xenon long-arc lamp 16 or the material of outer filter mantle can be any one in borosilicate glass, soda-lime glass, quartz glass and filter infrared glass.According to ectonexine filter mantle combination of different materials, can simulate the light radiation environment without environment.In the present invention, the material of inner filtration cover is borosilicate glass, and the material of outer filter mantle is borosilicate glass, can simulate outdoor climatic environment.
As the preferred embodiment of the present invention, described humiture system comprises air exhauster 17, pipeline 18 and constant temperature and humidity device 19, the input end of described air exhauster 17 is connected with suction opeing 3, the output terminal of air exhauster 17 is connected with air inlet 4, is also provided with constant temperature and humidity device 19 between described air exhauster 17 and air inlet 14.When needs carry out humiture environmental test, air exhauster 17 starts, air in experiment work room 1 can be extracted out from suction opeing 3, and flow through constant temperature and humidity device 19 through piping 18 and air inlet 4 enters in experiment work room 1, keep the temperature and humidity of air, make the temperature and humidity of the air in experiment work room 1 be in a suitable numerical value, test can be carried out smoothly.
As the preferred embodiment of the present invention, described rain system comprises several water pumps 22 being arranged on nozzle 20 in experiment work room 1, being arranged on the water tank 21 outside experiment work room 1 and being placed in water tank 21, the output terminal of described water pump 22 is connected with nozzle 20, described nozzle 20 is arranged on top, experiment work room 1, and nozzle 20 is parallel with sample workpiece 10.When rain spraying environment, water pump 20 can be started, by the water pump in water tank 21 to nozzle 20.This nozzle 20 is conical nozzle, and its covering diameter is about 800mm, can arrange several conical nozzles as required, and the sample workpiece 10 in experiment work room 1 can cover by its spray solarization scope completely.
As the preferred embodiment of the present invention, described high-tension system is arranged on experiment work outdoor, high-tension system comprises transtat and current detecting equipment, the output terminal of described transtat connects with sample workpiece upper end, and the input end of described current detecting equipment connects with sample workpiece lower end.High-tension electricity is applied to sample workpiece 10 by variable regulator, and by the power-off number of times of sample workpiece 10 in current detecting equipment monitoring test process.In experimentation, if one of them sample workpiece 10 adds up appearance, 5 overcurrents interrupt, and this test stops automatically.
As the preferred embodiment of the present invention, also comprise the second air intake opening 23 be arranged on pipeline, exhausr port 24 and the unlatching of the second air intake opening 23 and exhausr port 24, the damper control 25 of closure state can be controlled.When in experiment work room 1, temperature is no more than design temperature, the second air intake opening 23 and exhausr port 24 all closed, be closed space in whole experiment work room 1; When in experiment work room 1, temperature exceedes design temperature, damper control 25 starts to be opened vent port 8 and the second air intake opening 23, hot-air in experiment work room 1 is discharged to inside and outside experiment work room 1 from exhausr port 24, cold air inside and outside experiment work room 1 enters in experiment work room 1 from the second air intake opening 23, thus the temperature in experiment work room 1 is reduced; When temperature is lower than design temperature in experiment work room 1, damper control 25 starts closes vent port 24 and the second air intake opening 23.Circulation like this, makes experiment work room 1 Nei Nei get temperature always lower than at design temperature, facilitates the carrying out of test.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (7)
1. the multifactor environmental aging test unit of composite element, it is characterized in that: it comprises experiment work room (1) and tension system (90), salt mist system (91), light irradiation system (92), humiture system (93), rain system (94) and high-tension system (95), described experiment work room (1) and tension system (90), salt mist system (91), light irradiation system (92), humiture system (93), rain system (94), high-tension system (95) connects, described experiment work room (1) is provided with several vent ports (2), experiment work room (1) is also provided with suction opeing (3) and air inlet (4), three mount pads are provided with in experiment work room (1), described mount pad is isosceles triangle distribution, described mount pad is provided with sample workpiece (10), described high-tension system is arranged on experiment work outdoor, high-tension system comprises transtat and current detecting equipment, the output terminal of described transtat connects with sample workpiece upper end, the input end of described current detecting equipment connects with sample workpiece lower end.
2. the multifactor environmental aging test unit of composite element according to claim 1, it is characterized in that: described tension system comprises steel wire (9) and is located at experiment work room (1) the first fixed pulley (5) outward, be located at second fixed pulley (6) of the first fixed pulley (5) top, running block (7) and counterweight platform (8), one end of described steel wire (9) is connected to sample workpiece (10) upper end, the other end walks around the first fixed pulley (5) successively, second fixed pulley (6) and running block (7) are connected with counterweight platform (8) afterwards, insulator (11) is also provided with between described steel wire (8) and sample workpiece (10), described steel wire (9) extexine is provided with anti-corrosion layer.
3. the multifactor environmental aging test unit of composite element according to claim 1, it is characterized in that: described salt mist system comprises the ultrasound wave salt fog generator (13) being provided with several salt fog generation chamber (12) and being located in each salt fog generation chamber (12), described salt fog generator (13) is communicated to experiment work room (1), be provided with locellus door (14) between described salt fog generation chamber (12) and experiment work room (1), described salt fog generation chamber (12) is provided with the first air intake opening (15).
4. the multifactor environmental aging test unit of composite element according to claim 1, it is characterized in that: described light irradiation system comprises some water-cooling type xenon long-arc lamps (16), described water-cooling type xenon long-arc lamp (16) is arranged in a straight line in yi word pattern, and adjacent water-cooling type xenon long-arc lamp (16) head and the tail are relative and parallel with sample workpiece (10).
5. the multifactor environmental aging test unit of composite element according to claim 1, it is characterized in that: described humiture system comprises air exhauster (17), pipeline (18) and constant temperature and humidity device (19), the input end of described air exhauster (17) is connected with suction opeing (3), the output terminal of air exhauster (17) is connected with air inlet (4), is also provided with constant temperature and humidity device (19) between described air exhauster (17) and air inlet (14).
6. the multifactor environmental aging test unit of composite element according to claim 1, it is characterized in that: described rain system comprises several and is arranged on nozzle (20) in experiment work room (1), is arranged on experiment work room (1) water tank outward (21) and is placed on the water pump (22) in water tank (21), the output terminal of described water pump (22) is connected with nozzle (20), and described nozzle (20) is arranged on experiment work room (1) top.
7. the multifactor environmental aging test unit of composite element according to claim 1, is characterized in that: also comprise the second air intake opening (23) be arranged on pipeline, exhausr port (24) and can control the unlatching of the second air intake opening (23) and exhausr port (24), the damper control (25) of closure state.
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| CN103149329B (en) * | 2013-02-27 | 2015-12-02 | 哈尔滨工业大学 | A kind of various factors coupling accelerated aging tests device |
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| CN108872058A (en) * | 2018-08-16 | 2018-11-23 | 榕江县榕树林建筑漆业有限公司 | A kind of multi-environment moisture-proof system safety testing device of aqueous woodware paint |
| CN115372236A (en) * | 2022-07-29 | 2022-11-22 | 中震科建(广东)防灾减灾研究院有限公司 | Visual device and test method for measuring building material performance through season simulation |
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