Experimental device for accelerated aging of material

Abstract

The utility model relates to the technical field of material aging experiments, and discloses an experimental device for accelerated aging of materials, which comprises a box body, a stress applying system, a contrast sample holder, an environment simulation system, a data acquisition system and a control system, the control sample rack is arranged in the box body, and the control sample on the control sample rack can be influenced by the same environment as the experimental sample, so that the temperature, humidity and illumination intensity of the control sample can be fed back through the data acquisition system, namely the actual temperature, humidity and illumination intensity of the experimental sample can be fed back to the control system; the internal environment of the box body is adjusted through the environment simulation system, so that the temperature, the humidity and the illumination intensity, fed back by the data acquisition system, of the control sample, namely the actual temperature, the actual humidity and the actual illumination intensity of the experimental sample reach preset parameters, and the accuracy of experimental data is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to material aging experiment technical field especially relates to a kind of experimental devices for material accelerated aging. BACKGROUND

[0002] At present, materials are inevitably contacted with different environmental factors in the process of processing, storage and use, causing the phenomenon that its physical and chemical properties and mechanical properties gradually deteriorate, i.e. the aging phenomenon of materials. In order to simulate the aging of materials and detect the failure life of materials, artificial accelerated aging experiments are usually used to simulate and strengthen the damage of environmental factors to test pieces.

[0003] In order to simulate the more real use environment of materials to close to the actual process of material aging, the existing accelerated aging device is usually a multi-factor coupling device, i.e. using multiple environmental factors to cooperate with each other to simulate the aging environment of materials, such as using a coupling device of light aging and thermal aging. However, due to the mutual influence between different environmental factors, although the real aging environment can be further simulated, there is still a difference between the actual aging factor parameters received by the sample and the aging factor parameters preset by the device, resulting in deviation of the experimental data obtained finally. SUMMARY

[0004] The purpose of the utility model is to provide an experimental device for material accelerated aging, which can not only ensure the simulation of real aging environment, but also ensure the accuracy of experimental data collection.

[0005] In order to achieve the above purpose, the utility model provides an experimental device for material accelerated aging, which comprises a box body, a stress applying system, a control sample rack, an environmental simulation system, a data acquisition system and a control system. The stress applying system is arranged inside the box body and comprises a loading device, a first clamping piece and a second clamping piece. The first clamping piece is connected with the loading device, and the loading device is used to apply stress to the first clamping piece. The second clamping piece is arranged at the bottom of the box body and corresponds to the first clamping piece. The first clamping piece is used to clamp the top of the experimental sample, and the second clamping piece is used to clamp the bottom of the experimental sample. The control sample rack is arranged inside the box body and is used to place control samples. The environmental simulation system is arranged inside the box body and comprises at least one of a temperature adjusting device, a humidity adjusting device and an ultraviolet irradiation device. The data acquisition system is arranged on the control sample rack and is used to detect the environmental data of the control samples in real time. The control system is arranged on the box body, and the environmental simulation system, the loading device and the data acquisition system are electrically connected with the control system respectively.

[0006] Optionally, a plurality of stress applying systems are included, and a plurality of the first clamping members are arranged at intervals along the length direction of the box, and the control sample holder is arranged between any two adjacent stress applying systems.

[0007] Optionally, the first clamping member comprises a first connecting rod and a first clamp, one end of the first connecting rod is connected with the loading device, the first clamp comprises a first base and a first fixing bolt, the first base is fixed to the other end of the first connecting rod, the bottom surface of the first base is provided with a first clamping groove, the side surface of the first base is provided with a first fixing hole, the first fixing hole and the first clamping groove are in communication, and the first fixing bolt is arranged in the first fixing hole; the second clamping member comprises a second connecting rod and a second clamp, one end of the second connecting rod is connected with the bottom of the box, the second clamp comprises a second base and a second fixing bolt, the second base is fixed to the other end of the second connecting rod, the top surface of the second base is provided with a second clamping groove, the side surface of the second base is provided with a second fixing hole, the second fixing hole and the second clamping groove are in communication, and the second fixing bolt is arranged in the second fixing hole.

[0008] Optionally, the first clamp further comprises a plurality of first anti-skid bolts, one side surface of the first base provided with the first fixing hole is further provided with a plurality of first anti-skid holes, the first anti-skid holes and the first clamping groove are in communication, a plurality of the first anti-skid holes are symmetrically arranged on both sides of the first fixing hole, and a plurality of the first anti-skid bolts are respectively arranged in a plurality of the first anti-skid holes; the second clamp further comprises a plurality of second anti-skid bolts, one side surface of the second base provided with the second fixing hole is further provided with a plurality of second anti-skid holes, the second anti-skid holes and the second clamping groove are in communication, a plurality of the second anti-skid holes are symmetrically arranged on both sides of the second fixing hole, and a plurality of the second anti-skid bolts are respectively arranged in a plurality of the second anti-skid holes.

[0009] Optionally, the environmental simulation system at least comprises the temperature adjusting device; the temperature adjusting device comprises a heating pipe, the heating pipe is arranged at the bottom of the box, and is electrically connected with the control system.

[0010] Optionally, the environmental simulation system at least comprises the ultraviolet irradiation device; the ultraviolet irradiation device comprises an ultraviolet lamp, the ultraviolet lamp is arranged in the interior of the box, and is used for irradiating the experimental sample and the control sample, and the ultraviolet lamp is electrically connected with the control system.

[0011] Optionally, the ultraviolet irradiation device further comprises a cooling assembly, the cooling assembly comprises a water pump, a condenser, a water tank, a filter, a first pipeline and a second pipeline, the ultraviolet lamp comprises a shell and a lamp tube arranged in the shell, the shell is provided with a water inlet and a water outlet on two sides, the water tank, the filter and the water inlet are sequentially connected through the first pipeline, and the water outlet, the water pump, the condenser and the water tank are sequentially connected through the second pipeline.

[0012] Optionally, the data acquisition system comprises a light intensity tester, a temperature sensor and a humidity sensor, the light intensity tester is used for detecting the light intensity of the control sample, the temperature sensor is used for detecting the temperature of the control sample, and the humidity sensor is used for detecting the humidity of the control sample, and the light intensity tester, the temperature sensor and the humidity sensor are electrically connected with the control system respectively.

[0013] Optionally, the stress applying system further comprises a force applying piece, the force applying piece comprises a top plate, a bottom plate and a column, the column extends along the height direction of the box body, the top plate is arranged at the top end of the column, the bottom plate is arranged at the bottom end of the column, the outer peripheral side surface of the top plate protrudes from the outer peripheral side surface of the column, the outer peripheral side surface of the bottom plate protrudes from the outer peripheral side surface of the column, and the side, away from the column, of the top plate is connected with the load applying device, and the side, away from the column, of the bottom plate is connected with the first clamping piece.

[0014] Compared with the prior art, the experimental device for material accelerated aging has the beneficial effects that: the control sample frame is arranged in the box body, and the control sample on the control sample frame can be affected by the same environment as the experimental sample, so that the temperature, humidity and light intensity of the control sample, i.e. the actual temperature, humidity and light intensity of the experimental sample, can be fed back to the control system through the data acquisition system, and the internal environment of the box body can be adjusted through the temperature adjusting device, the humidity adjusting device and the ultraviolet irradiation device, so that the temperature, humidity and light intensity of the control sample, i.e. the actual temperature, humidity and light intensity of the experimental sample, can reach the preset parameters, thereby ensuring the accuracy of experimental data, and in addition, the temperature adjusting device, the humidity adjusting device and the ultraviolet irradiation device are arranged to more truly simulate the material aging environment, and the load applying device, the first clamping piece and the second clamping piece of the stress applying system are used to apply stress to the material to accelerate the aging process of the material, thereby saving experimental time and experimental cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the experimental device for material accelerated aging of the utility model embodiment;

[0016] Figure 2 is the embodiment of the utility model Figure 1 the A place of the enlarged view of

[0017] Figure 3 is the embodiment of the utility model Figure 1 the B place of the enlarged view of

[0018] Figure 4 the structure diagram of the ultraviolet irradiation device of the embodiment of the utility model.

[0019] In the figure, 1, box body;2, stress exerting system;21, loading device;22, first clamping piece;221, first connecting rod;222, first clamp;2221, first base;2222, first fixed bolt;2223, first antiskid bolt;23, second clamping piece;231, second connecting rod;232, second clamp;2321, second base;2322, second fixed bolt;2323, second antiskid bolt;24, force applying piece;3, contrast sample holder;4, environment simulation system;41, temperature regulating device;411, heating pipe;42, humidity regulating device;43, ultraviolet irradiation device;431, ultraviolet lamp;4311, shell;4312, lamp tube;432, cooling assembly;4321, water pump;4322, condenser;4323, water tank;4324, filter;4325, first pipeline;4326, second pipeline;5, data acquisition system;51, light intensity tester;52, temperature sensor;53, humidity sensor;6, control system;7, experimental sample;8, contrast sample. Specific embodiments

[0020] The specific embodiments of the utility model are described in detail below in combination with the drawings and examples.The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0021] In the description of the utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", etc.indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0022] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features.In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0023] As Figures 1-3 shown, the utility model embodiment's one kind for material accelerated aging's experimental apparatus, include: box 1, stress exerting system 2, contrast sample rack 3, environmental simulation system 4, data acquisition system 5 and control system 6;Stress exerting system 2 is located in the inside of box 1, including loading device 21, first clamping piece 22 and second clamping piece 23, loading device 21 is located in the top of box 1, first clamping piece 22 is connected with loading device 21, loading device 21 is used to exert stress to first clamping piece 22, second clamping piece 23 is located in the bottom of box 1, and it is correspondingly set with first clamping piece 22, first clamping piece 22 is used to hold the top of experimental sample 7, and second clamping piece 23 is used to hold the bottom of experimental sample 7;Contrast sample rack 3 is located in the inside of box 1, for placing contrast sample 8;Environmental simulation system 4 is located in the inside of box 1, including temperature regulating device 41, humidity regulating device 42, at least one of ultraviolet irradiation device 43, in this embodiment, environmental simulation system 4 all has temperature regulating device 41, humidity regulating device 42, ultraviolet irradiation device 43, in other embodiments, environmental simulation system 4 can be set according to actual demand temperature regulating device 41, humidity regulating device 42, ultraviolet irradiation device 43 are selected and set up.Temperature regulating device 41 is used to adjust the temperature in the inside of box 1, humidity regulating device 42 is used to adjust the humidity in the inside of box 1, and ultraviolet irradiation device 43 is used to the experimental sample 7 and contrast sample 8 irradiation ultraviolet light;Data acquisition system 5 is located in contrast sample rack 3, for real-time detection contrast sample 8's environmental data, namely in this embodiment, the temperature humidity and illumination intensity of contrast sample 8 can be detected;Control system 6 is located in box 1, and temperature regulating device 41, humidity regulating device 42, ultraviolet irradiation device 43, loading device 21 and data acquisition system 5 are electrically connected with control system 6 respectively.

[0024] Based on the above scheme, the control sample 8 on the control sample shelf 3 can be subjected to the same environmental influence as the experimental sample 7, so that the temperature, humidity and light intensity of the control sample 8 can be fed back to the control system 6 through the data acquisition system 5, that is, the actual temperature, humidity and light intensity of the experimental sample 7, and then the internal environment of the box body 1 is adjusted through the temperature adjusting device 41, the humidity adjusting device 42 and the ultraviolet irradiation device 43, so that the temperature, humidity and light intensity of the control sample 8 fed back by the data acquisition system 5, that is, the actual temperature, humidity and light intensity of the experimental sample 7, reach the preset parameters, thereby ensuring the accuracy of the experimental data. In addition, the temperature adjusting device 41, the humidity adjusting device 42 and the ultraviolet irradiation device 43 are provided to more realistically simulate the material aging environment, and the stress applying system 2 is used to apply stress to the material through the loading device 21, the first clamping piece 22 and the second clamping piece 23 to accelerate the aging process of the material, thereby saving experimental time and cost.

[0025] As shown in Figure 1 In order to ensure the accuracy of the experimental data, a plurality of stress applying systems 2 are provided, and a plurality of first clamping pieces 22 are arranged at intervals along the length direction of the box body 1. The control sample shelf 3 is arranged between any two adjacent stress applying systems 2. By providing a plurality of first clamping pieces 22 and a plurality of second clamping pieces 23, the aging test of the experimental sample 7 under different stress states can be carried out simultaneously, and the aging test of a plurality of experimental samples 7 under the same stress state can be carried out, thereby reducing the influence of experimental errors and ensuring the accuracy of experimental data. In addition, the control sample shelf 3 is arranged between any two adjacent stress applying systems 2, so that the control sample 8 can be located between the plurality of experimental samples 7, thereby ensuring that the control sample 8 and the experimental sample 7 are subjected to the same environmental factors.

[0026] It should be noted that according to the experimental requirements, the plurality of stress applying systems 2 can apply various types of stress loads such as tension, bending and compression to the experimental sample. Correspondingly, the clamping pieces of the stress applying system 2 can change the corresponding shape according to the form of the applied stress load, so that the stress applying system 2 can apply different types of stress loads to the experimental sample.

[0027] As shown in Figure 2As shown in the figure, in order to ensure the connection strength of the first clamping piece 22, the second clamping piece 23 and the experimental sample 7, the first clamping piece 22 comprises a first connecting rod 221 and a first clamp 222, one end of the first connecting rod 221 is connected with the loading device 21, the first clamp 222 comprises a first base 2221 and a first fixing bolt 2222, the first base 2221 is fixed to the other end of the first connecting rod 221, the bottom surface of the first base 2221 is provided with a first clamping groove, the side surface of the first base 2221 is provided with a first fixing hole, and the first fixing hole and the first clamping groove are in communication, and the first fixing bolt 2222 is arranged in the first fixing hole; the second clamping piece 23 comprises a second connecting rod 231 and a second clamp 232, one end of the second connecting rod 231 is connected with the bottom of the box body 1, the second clamp 232 comprises a second base 2321 and a second fixing bolt 2322, the second base 2321 is fixed to the other end of the second connecting rod 231, the top surface of the second base 2321 is provided with a second clamping groove, the side surface of the second base 2321 is provided with a second fixing hole, and the second fixing hole and the second clamping groove are in communication, and the second fixing bolt 2322 is arranged in the second fixing hole.

[0028] As shown in the figure, Figure 2 in order to avoid the experimental sample 7 from falling off between the first clamping piece 22 and the second clamping piece 23, the first clamp 222 further comprises a plurality of first anti-skid bolts 2223, one side of the first base 2221 having the first fixing hole is further provided with a plurality of first anti-skid holes, the first anti-skid holes and the first clamping groove are in communication, the plurality of first anti-skid holes are symmetrically arranged on both sides of the first fixing hole, and the plurality of first anti-skid bolts 2223 are respectively arranged in the plurality of first anti-skid holes; the second clamp 232 further comprises a plurality of second anti-skid bolts 2323, one side of the second base 2321 having the second fixing hole is further provided with a plurality of second anti-skid holes, the second anti-skid holes and the second clamping groove are in communication, the plurality of second anti-skid holes are symmetrically arranged on both sides of the second fixing hole, and the plurality of second anti-skid bolts 2323 are respectively arranged in the plurality of second anti-skid holes.

[0029] As shown in the figure, Figure 1 in order to facilitate the control of the temperature inside the box body 1, the temperature adjusting device 41 comprises a heating pipe 411, the heating pipe 411 is arranged at the bottom of the box body 1 and is electrically connected with the control system 6.

[0030] As shown in the figure, Figure 1 in order to facilitate the control of the light intensity received by the experimental sample 7 and the control sample 8, the ultraviolet irradiation device 43 comprises an ultraviolet lamp 431, the ultraviolet lamp 431 is arranged inside the box body 1 and is used for irradiating the experimental sample 7 and the control sample 8, and the ultraviolet lamp 431 is electrically connected with the control system 6.

[0031] As shown in the figure, Figure 1As shown in the drawings, in some embodiments, the first clamping member 22 and the control sample rack 3 are arranged along the length direction of the box 1, and the experimental sample 7 and the control sample 8 are also arranged along the length direction of the box 1, on this basis, the ultraviolet lamp 431 extends along the length direction of the box 1 and is located in the same plane as the experimental sample 7 and the control sample 8.

[0032] As shown in the drawings, in some embodiments, in order to ensure the irradiation effect of the ultraviolet irradiation device 43, the ultraviolet irradiation device 43 comprises a plurality of ultraviolet lamps 431, and the plurality of ultraviolet lamps 431 are arranged along the height direction of the box 1. Figure 1 As shown in the drawings, in order to cool the lamp tube 4312 of the ultraviolet lamp 431 and prolong the service life of the lamp tube 4312 of the ultraviolet lamp 431, the ultraviolet irradiation device 43 further comprises a cooling assembly 432, the cooling assembly 432 comprises a water pump 4321, a condenser 4322, a water tank 4323, a filter 4324, a first pipeline 4325 and a second pipeline 4326, the ultraviolet lamp 431 comprises an outer shell 4311 and a lamp tube 4312 arranged in the outer shell 4311, the outer shell 4311 has a water inlet and a water outlet on both sides, the water tank 4323, the filter 4324 and the water inlet are connected in sequence through the first pipeline 4325, and the water outlet, the water pump 4321, the condenser 4322 and the water tank 4323 are connected in sequence through the second pipeline 4326.

[0033] Figure 4 As shown in the drawings, in order to ensure the accuracy of the data collected by the data acquisition system, the data acquisition system comprises a light intensity tester 51, a temperature sensor 52 and a humidity sensor 53, the light intensity tester 51 is used for detecting the light intensity of the control sample 8, the temperature sensor 52 is used for detecting the temperature of the control sample 8, and the humidity sensor 53 is used for detecting the humidity of the control sample 8, and the light intensity tester 51, the temperature sensor 52 and the humidity sensor 53 are electrically connected with the control system 6 respectively.

[0034] As shown in the drawings, in order to ensure the accuracy of the data collected by the data acquisition system, the data acquisition system comprises a light intensity tester 51, a temperature sensor 52 and a humidity sensor 53, the light intensity tester 51 is used for detecting the light intensity of the control sample 8, the temperature sensor 52 is used for detecting the temperature of the control sample 8, and the humidity sensor 53 is used for detecting the humidity of the control sample 8, and the light intensity tester 51, the temperature sensor 52 and the humidity sensor 53 are electrically connected with the control system 6 respectively. Figure 3 As shown in the drawings, in order to ensure the accuracy of the data collected by the data acquisition system, the data acquisition system comprises a light intensity tester 51, a temperature sensor 52 and a humidity sensor 53, the light intensity tester 51 is used for detecting the light intensity of the control sample 8, the temperature sensor 52 is used for detecting the temperature of the control sample 8, and the humidity sensor 53 is used for detecting the humidity of the control sample 8, and the light intensity tester 51, the temperature sensor 52 and the humidity sensor 53 are electrically connected with the control system 6 respectively.

[0035] Figure 1 ​​As shown, in order to protect the first clamping piece 22 and avoid the first clamping piece 22 from being broken when the first clamping piece 22 is loaded by the loading device 21, the stress applying system 2 further comprises a force applying piece 24, the force applying piece 24 comprises a top plate, a bottom plate and a column, the column extends along the height direction of the box 1, the top plate is arranged at the top end of the column, the bottom plate is arranged at the bottom end of the column, the outer peripheral side of the top plate protrudes from the outer peripheral side of the column, the outer peripheral side of the bottom plate protrudes from the outer peripheral side of the column, the side of the top plate away from the column is connected with the loading device 21, and the side of the bottom plate away from the column is connected with the first clamping piece 22, the force applying piece 24 realizes the connection between the first clamping piece 22 and the loading device 21 through the top plate and the bottom plate with larger contact area, so that the first clamping piece 22 is prevented from being broken.

[0036] The experimental device can be used according to the following steps:

[0037] The top of the experimental sample 7 is connected with the first clamping piece 22, the bottom of the experimental sample 7 is connected with the second clamping piece 23, and the control sample 8 is placed on the control sample holder 3.

[0038] The data acquisition system 5 is started, and the temperature, humidity and light intensity of the control sample 8 are fed back to the control system 6 by the data acquisition system 5.

[0039] The temperature adjusting device 41, the humidity adjusting device 42 and the ultraviolet irradiation device 43 are started, so that the temperature, humidity and light intensity of the control sample 8 fed back by the data acquisition system 5 reach the preset parameters.

[0040] The loading device 21 is started to apply stress to the first clamping piece 22.

[0041] When the elongation of the experimental sample 7 reaches a predetermined value, the failure life of the experimental sample 7 is recorded.

[0042] The temperature adjusting device 41, the humidity adjusting device 42, the ultraviolet irradiation device 43 and the data acquisition system 5 are turned off, and the experimental sample 7 and the control sample 8 are taken out for the next experiment.

[0043] Based on the above scheme, in the process of material accelerated aging, the temperature, humidity and illumination intensity of the control sample 8, that is, the actual temperature, humidity and illumination intensity of the experimental sample 7, can be fed back to the control system 6 through the data acquisition system 5, so that the difference between the actual aging factor parameters of the experimental sample 7 and the aging factor parameters preset in advance by the device can be avoided during the experiment, and the data obtained by each experiment is more accurate, and the curve of the material life model obtained in the subsequent establishment of the material life model is more fitted to the actual situation, for example, in the establishment of the relationship between temperature and material life, the change of temperature is taken as the horizontal coordinate, the failure life corresponding to each temperature is taken as the vertical coordinate, and the curve of the material life model drawn according to the data obtained by each experiment is accurate, so that the position of each data point is accurate when the curve is drawn, and the curve of the temperature and material life model is more fitted to the actual situation.

[0044] In summary, the utility model embodiment provides a kind of experimental device for material accelerated aging, which is by being arranged in box 1 contrast sample rack 3, and make contrast sample 8 on contrast sample rack 3 can be with experimental sample 7 same environmental influence is received, to be able to by data acquisition system 5 feedback contrast sample 8 temperature, humidity and illumination intensity, that is, the actual temperature, humidity and illumination intensity of experimental sample 7 is fed back to control system 6, then by temperature adjusting device 41, humidity adjusting device 42 and ultraviolet irradiation device 43 adjust the internal environment of box 1, make the temperature, humidity and illumination intensity of contrast sample 8 fed back by data acquisition system 5, that is, the actual temperature, humidity and illumination intensity of experimental sample 7 reach preset parameter, to guarantee the accuracy of experimental data, in addition, the utility model also sets up temperature adjusting device 41, humidity adjusting device 42 and ultraviolet irradiation device 43, to more real simulation material aging environment, and by stress exerting system 2's loading device 21, first clamping piece 22 and second clamping piece 23 to material exert stress, accelerate the aging process of material, to save experimental time and experimental cost.

[0045] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principle of the utility model, a number of improvements and replacements can be made, and these improvements and replacements should be regarded as the protection range of the utility model.

Claims

1. An experimental apparatus for accelerated aging of materials, characterized in that, The application relates to a stress test device for testing the environmental stress resistance of a sample, which comprises a box body, a stress applying system, a contrast sample rack, an environment simulation system, a data acquisition system and a control system. The stress applying system is arranged in the interior of the box body and comprises a loading device, a first clamping piece and a second clamping piece; the first clamping piece is connected with the loading device, the loading device is used for applying stress to the first clamping piece, the second clamping piece is arranged at the bottom of the box body and is arranged in correspondence with the first clamping piece, the first clamping piece is used for clamping the top of an experimental sample, and the second clamping piece is used for clamping the bottom of the experimental sample. The contrast sample rack is arranged in the interior of the box body and is used for placing a contrast sample. The environment simulation system is arranged in the interior of the box body, and the environment simulation system comprises at least one of a temperature adjusting device, a humidity adjusting device and an ultraviolet irradiation device. The data acquisition system is arranged on the contrast sample rack and is used for detecting the environmental data of the contrast sample in real time. The control system is arranged on the box body, and the environment simulation system, the loading device and the data acquisition system are electrically connected with the control system. A plurality of stress applying systems are arranged, and a plurality of first clamping pieces are arranged at intervals along the length direction of the box body; the contrast sample rack is arranged between any two adjacent stress applying systems.

2. The experimental setup for accelerated aging of materials according to claim 1, characterized in that, The first clamping piece comprises a first connecting rod and a first clamp, one end of the first connecting rod is connected with the loading device, the first clamp comprises a first base and a first fixing bolt, the first base is fixed to the other end of the first connecting rod, the bottom surface of the first base is provided with a first clamping groove, the side surface of the first base is provided with a first fixing hole, the first fixing hole and the first clamping groove are communicated, and the first fixing bolt is arranged in the first fixing hole.

3. The experimental setup for accelerated aging of materials as claimed in claim 1 wherein, The second clamping piece comprises a second connecting rod and a second clamp, one end of the second connecting rod is connected with the bottom of the box body, the second clamp comprises a second base and a second fixing bolt, the second base is fixed to the other end of the second connecting rod, the top surface of the second base is provided with a second clamping groove, the side surface of the second base is provided with a second fixing hole, the second fixing hole and the second clamping groove are communicated, and the second fixing bolt is arranged in the second fixing hole. The first clamp further comprises a plurality of first anti-skid bolts, one side surface of the first base provided with the first fixing hole is further provided with a plurality of first anti-skid holes, the first anti-skid holes and the first clamping groove are communicated, a plurality of the first anti-skid holes are symmetrically arranged on the two sides of the first fixing hole, and a plurality of the first anti-skid bolts are respectively arranged in the plurality of first anti-skid holes.

4. The experimental setup for accelerated aging of materials according to claim 3, characterized in that, The second clamp further comprises a plurality of second anti-skid bolts, one side surface of the second base provided with the second fixing hole is further provided with a plurality of second anti-skid holes, the second anti-skid holes and the second clamping groove are communicated, a plurality of the second anti-skid holes are symmetrically arranged on the two sides of the second fixing hole, and a plurality of the second anti-skid bolts are respectively arranged in the plurality of second anti-skid holes. ​ 5. The experimental setup for accelerated aging of materials as claimed in claim 1 wherein, The environment simulation system at least comprises the temperature adjusting device; the temperature adjusting device comprises a heating pipe arranged at the bottom of the box body and electrically connected with the control system.

6. The experimental setup for accelerated aging of materials of claim 1, wherein, The environment simulation system at least comprises the ultraviolet irradiation device; the ultraviolet irradiation device comprises an ultraviolet lamp arranged in the interior of the box body for irradiating the experimental sample and the control sample, and the ultraviolet lamp is electrically connected with the control system.

7. The experimental setup for accelerated aging of materials according to claim 6, characterized in that, The ultraviolet irradiation device further comprises a cooling assembly comprising a water pump, a condenser, a water tank, a filter, a first pipeline and a second pipeline; the ultraviolet lamp comprises a shell and a lamp tube arranged in the shell; the shell has water inlets and outlets on two sides; the water tank, the filter and the water inlets are sequentially connected through the first pipeline; and the outlets, the water pump, the condenser and the water tank are sequentially connected through the second pipeline.

8. The experimental setup for accelerated aging of materials of claim 1, wherein, The data acquisition system comprises a light intensity tester, a temperature sensor and a humidity sensor; the light intensity tester is used for detecting the light intensity of the control sample; the temperature sensor is used for detecting the temperature of the control sample; and the humidity sensor is used for detecting the humidity of the control sample; and the light intensity tester, the temperature sensor and the humidity sensor are electrically connected with the control system respectively.

9. The experimental setup for accelerated aging of materials of claim 1, wherein, The stress applying system further comprises a force applying member; the force applying member comprises a top plate, a bottom plate and a column; the column extends along the height direction of the box body; the top plate is arranged at the top end of the column; the bottom plate is arranged at the bottom end of the column; the outer peripheral side of the top plate protrudes from the outer peripheral side of the column; the outer peripheral side of the bottom plate protrudes from the outer peripheral side of the column; the side of the top plate away from the column is connected with the load applying device; and the side of the bottom plate away from the column is connected with the first clamping member.

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