Multi-sample-period wet corrosion test box and method

Abstract

The invention discloses a multi-sample-cycle wet corrosion test box and a multi-sample-cycle wet corrosion test method, and relates to the technical field related to infiltration tests. The multi-sample-period wet corrosion test box comprises a box body, a cover plate, a sample clamping mechanism, a position adjusting mechanism, an infiltration corrosion test mechanism and a drying test mechanism, the position adjusting mechanism can drive the sample clamping mechanism to be located in the sample placing area when the cover plate is overturned to the opening position for opening the sample placing area, so that the sample can be conveniently placed; when the cover plate is overturned to a closing position for sealing the sample placing area, the sample clamping mechanism is driven to be positioned in the test area; therefore, the cover plate can be closed to drive the sample to enter the test area, so that the subsequent test is facilitated. The problem that in the using process of an existing test box for conducting an infiltration corrosion test on a sample, the sample is inconvenient to place is solved.

Description

Technical Field

[0001] The present invention relates to the technical field related to immersion test, and more specifically, to a multi-sample periodic wet corrosion test box and method. Background Art

[0002] The cyclic immersion corrosion test refers to the metal test alternately immersed in liquid corrosive media and exposed to the air. This is a simulation test and also an accelerated test. It can simulate the tidal zone corrosion and wave impact caused by the rise and fall of tides; the atmosphere often encounters intermittent rainfall, condensation, and alternating dry and wet states, as well as corrosion caused by the rise and fall of liquid levels in chemical equipment. The results of the cyclic immersion corrosion test are closely related to the frequency of dry-wet changes, the temperature and humidity of the environment, so the dry-wet change cycle, the ambient temperature and humidity should be reasonably controlled.

[0003] The existing test chamber for performing immersion corrosion tests on samples is not convenient for placing the samples during use. In addition, the samples are driven to move between the immersion test area and the dry area by a driving member, and the immersion test area and the dry area are connected, which affects the test accuracy of the dry test. Summary of the invention

[0004] In view of the deficiencies in the prior art, the object of the present invention is to provide a multi-sample cycle wet corrosion test chamber and method, aiming to solve the above-mentioned technical problems.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a multi-sample cycle wet corrosion test box, the multi-sample cycle wet corrosion test box comprising a box body, a cover plate, a sample clamping mechanism, a position adjustment mechanism, an immersion corrosion test mechanism and a drying test mechanism;

[0006] The cover plate is provided with a liquid storage area, a test area and a sample placement area, and the sample placement area is connected with the test area;

[0007] The cover plate is installed in the sample placement area, one end of the cover plate is rotatably connected to one end of the sample placement area through a connecting shaft, and the cover plate is used to seal the sample placement area;

[0008] The sample clamping mechanism is used to clamp a plurality of samples;

[0009] The position adjustment mechanism is used to adjust the position of the sample clamping mechanism, and the position adjustment mechanism includes an L-shaped guide rail, a second slider, a hinge rod and a first slider, the two ends of the L-shaped guide rail are respectively located in the sample placement area and the test area, two second sliders are slidably connected in the L-shaped guide rail, and the two second sliders are respectively connected to the two ends of the sample clamping mechanism; the second slider away from the test area is hinged to one end of the hinge rod, and the other end of the hinge rod is hinged to the first slider, the first slider is slidably connected to the slide groove opened in the cover shell wall, and one end of the first slider is hinged to the end of the slide groove through a first spring; when the cover is flipped to the open position to open the sample placement area, the two air inlet ducts slide along the track of the L-shaped guide rail until the sample clamping mechanism is located in the sample placement area; when the cover is flipped to the closed position to seal the sample placement area, the two air inlet ducts slide along the track of the L-shaped guide rail until the sample clamping mechanism is located in the test area;

[0010] The immersion corrosion test mechanism is used to perform an immersion corrosion test on a sample located on a sample holding mechanism in a test area;

[0011] The drying test mechanism is used to perform a drying test on the sample on the sample clamping mechanism in the test area after the immersion corrosion test is completed.

[0012] As a further solution of the present invention: the sample clamping mechanism includes a clamping mounting plate, a clamping plate and a supporting net, the two ends of the clamping mounting plate are respectively connected to different second sliders, a plurality of clamping plates are arranged at intervals in the placement groove of the clamping mounting plate, the end of each clamping plate is respectively slidably connected to the clamping mounting plate through a third slider, and two adjacent third sliders are connected by a second spring, the plurality of clamping plates are used to divide the placement of the clamping mounting plate into a plurality of clamping areas for clamping samples, a supporting net is also provided on one side of the placement groove, the supporting net is installed on the clamping mounting plate, the supporting net is used to support the clamping plate, and the supporting net is slidably connected to the clamping plate.

[0013] As a further solution of the present invention: the sample clamping mechanism also includes a connecting plate and a fourth slider, the number of the connecting plates is multiple, and the number of the multiple connecting plates is the same as the number of the clamps, a connecting plate is provided between two adjacent clamps, one end of the connecting plate is connected to one of the clamps, and a fourth slider is slidably connected in a slide groove at the other end of the connecting plate, and the fourth slider is connected to the other clamp.

[0014] As a further solution of the present invention: the sample clamping mechanism also includes a screw rod, which is inserted into the threaded groove of the third slider located at one end of the placement groove, and the screw rod is threadedly connected to the threaded groove of the third slider, and the screw rod is also rotatably connected to the clamping mounting plate.

[0015] As a further solution of the present invention: the infiltration corrosion test mechanism includes a liquid delivery pipe, a reflux pipe and a filter plate, the two ends of the liquid delivery pipe are respectively connected to the liquid storage area and the test area, the liquid delivery pipe is used to deliver the reagent in the liquid storage area to the test area; one end of the reflux pipe is connected to the liquid storage area, and the other end of the reflux pipe is connected to the filter area opened on the box body, the filter area is connected to the test area, and a filter plate is installed at the connection between the filter area and the test area; the filter plate is used to filter impurities generated by the infiltration corrosion test, and the reflux pipe is used to deliver the filtered reagent to the liquid storage area after the infiltration corrosion test is completed.

[0016] As a further solution of the present invention: the drying test mechanism includes an air outlet duct, a heater and an air inlet duct, the heater is installed in the test area, and the air inlet of the heater is connected to the air inlet duct, and the air outlet guide plate of the heater is arranged directly facing the sample located in the test area; the air outlet of the test area is connected to the air outlet duct.

[0017] As a further solution of the present invention: a mixing mechanism is provided in the liquid storage area, and the mixing mechanism is used to mix the reagents in the liquid storage area. The mixing mechanism includes a mixing shaft, a mixing rod and a mixing motor. The mixing motor is installed in the liquid storage area, and the output end of the mixing motor is connected to the mixing shaft. A plurality of groups of mixing rods for mixing reagents are provided at intervals on the periphery of the mixing shaft.

[0018] As a further solution of the present invention: the cover is also connected to the box body through a connecting component, the connecting component includes a magnetic part and an electromagnet, the magnetic part is installed at the end of the cover away from the connecting shaft, and the magnetic part is located on the side of the cover facing the sample placement area, and an electromagnet is provided at the end of the sample placement area away from the connecting shaft, and the electromagnet is magnetically matched with the magnetic part; when the cover is flipped to a closed position to seal the sample placement area, the magnetic part contacts the electromagnet.

[0019] As a further solution of the present invention: the immersion corrosion test mechanism also includes a water level sensor, which is used to monitor the water level in the test area; the drying test mechanism also includes a humidity sensor, which is used to monitor the humidity in the test area; the humidity sensor and the water level sensor are both installed in the test area, and the height of the humidity sensor is greater than the height of the water level sensor; the multi-sample cycle wet corrosion test box also includes a button and a display panel, which are respectively installed on the box body, the buttons are used to adjust the working status and parameters of the humidity sensor and the water level sensor, respectively, and the display panel is used to display the working status and parameters of the humidity sensor and the water level sensor.

[0020] To achieve the above object, the present invention provides the following technical solution: a multi-sample periodic wet corrosion test method, applied to a multi-sample periodic wet corrosion test box; the multi-sample periodic wet corrosion test method comprises the following steps:

[0021] Open the cover plate so that the sample clamping mechanism moves to the sample placement area;

[0022] After the sample clamping mechanism clamps the multiple samples, the cover is closed, so that the sample clamping mechanism drives the multiple samples into the test area;

[0023] Start the test and time the total test time;

[0024] The immersion corrosion test mode is turned on, and the immersion corrosion test mechanism performs an immersion corrosion test on the sample on the sample clamping mechanism in the test area;

[0025] When the duration of the immersion corrosion test reaches the set duration, the immersion corrosion test mode is turned off.

[0026] The drying mode is turned on, and the drying test mechanism performs a drying test on the sample on the sample clamping mechanism in the test area;

[0027] When the drying time reaches the set drying time, the drying mode is turned off and the immersion corrosion test mode is turned on. When the total test time reaches the set test time, the multi-sample periodic wet corrosion test ends.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] The present invention provides a position adjustment mechanism, so that when the cover plate is flipped to the open position to open the sample placement area, the two air inlet pipes can slide along the track of the L-shaped guide rail until the sample clamping mechanism is located in the sample placement area, thereby facilitating the placement of the sample; and when the cover plate is flipped to the closed position to seal the sample placement area, the two air inlet pipes can slide along the track of the L-shaped guide rail until the sample clamping mechanism is located in the test area; thus, the sample can be driven into the test area by closing the cover plate, thereby facilitating the subsequent test. The problem that the existing test box for performing an immersion corrosion test on the sample is not convenient for placing the sample during use is solved; in addition, the problem that the immersion test area and the dry area in the existing test box for performing an immersion corrosion test on the sample are connected, which affects the test accuracy of the dry test, is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0031] Figure 1 It is a schematic diagram of the three-dimensional structure of a multi-sample cycle wet corrosion test chamber;

[0032] Figure 2 It is a schematic diagram of the partial three-dimensional structure of a multi-sample periodic wet corrosion test chamber;

[0033] Figure 3 It is a cross-sectional view of a multi-sample cycle wet corrosion test chamber;

[0034] Figure 4 It is a cross-sectional view of a sample clamping mechanism in a multi-sample cycle wet corrosion test chamber;

[0035] Figure 5 The figure is a workflow diagram of a multi-sample periodic wet corrosion test method.

[0036] 1. Cover plate; 2. Slide groove; 3. First slider; 4. First spring; 5. Articulated rod; 6. Air inlet pipe; 7. Water inlet pipe; 8. Box; 9. Drain pipe; 10. Button; 11. Display panel; 12. L-shaped guide rail; 13. Clamping mounting plate; 14. Clamping plate; 15. Connecting plate; 16. Second slider; 17. Screw rod; 18. Magnetic part; 19. Electromagnet; 20. Mixing motor; 21. Mixing shaft; 22. Mixing rod; 23. Liquid storage area; 24. Third slider; 25. Connecting shaft; 26. Heater; 27. Air outlet guide plate; 28. Test area; 29. ​​Filter plate; 30. Filter area; 31. Reflux pipe; 32. Liquid delivery pipe; 33. Sample placement area; 34. Air outlet pipe; 35. Fourth slider; 36. Support net; 37. Second spring; 38. Water level sensor; 39. Humidity sensor. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0038] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0040] Reference Figures 1 to 5 A multi-sample periodic wet corrosion test chamber and method embodiment of the present invention are further described.

[0041] See also Figures 1 to 3 As an embodiment of the present invention, a multi-sample cycle wet corrosion test chamber, the multi-sample cycle wet corrosion test chamber comprises:

[0042] The box body 8 has a liquid storage area 23, a test area 28 and a sample placement area 33 formed in the cover plate 1, and the sample placement area 33 is connected to the test area 28;

[0043] A cover plate 1, wherein the cover plate 1 is installed in the sample placement area 33, one end of the cover plate 1 is rotatably connected to one end of the sample placement area 33 via a connecting shaft 25, and the cover plate 1 is used to seal the sample placement area 33;

[0044] A sample clamping mechanism, wherein the sample clamping mechanism is used to clamp a plurality of samples;

[0045] A position adjustment mechanism, the position adjustment mechanism is used to adjust the position of the sample clamping mechanism, the position adjustment mechanism includes an L-shaped guide rail 12, a second slider 16, a hinged rod 5 and a first slider 3, the two ends of the L-shaped guide rail 12 are respectively located in the sample placement area 33 and the test area 28, two second sliders 16 are slidably connected in the L-shaped guide rail 12, and the two second sliders 16 are respectively connected to the two ends of the sample clamping mechanism; the second slider 16 away from the test area 28 is hinged to one end of the hinged rod 5, and the other end of the hinged rod 5 is hinged to the first slider 3, and the first slider 3 is slidably connected to the sliding In the slot 2, one end of the first sliding block 3 is hinged to the end of the slide slot 2 through the first spring 4; when the cover 1 is flipped to the open position to open the sample placement area 33, the two air inlet pipes 6 slide along the track of the L-shaped guide rail 12 to the sample clamping mechanism located in the sample placement area 33, thereby facilitating the placement of the sample; when the cover 1 is flipped to the closed position to seal the sample placement area 33, the two air inlet pipes 6 slide along the track of the L-shaped guide rail 12 to the sample clamping mechanism located in the test area 28; thereby, the sample can be driven into the test area 28 by closing the cover 1, thereby facilitating the subsequent test.

[0046] An immersion corrosion test mechanism, which is used to perform an immersion corrosion test on a sample located on a sample holding mechanism in the test area 28;

[0047] The drying test mechanism is used to perform a drying test on the sample on the sample clamping mechanism in the test area 28 after the immersion corrosion test is completed.

[0048] See also Figures 1 to 4 As an embodiment of the present invention, the sample clamping mechanism includes a clamping mounting plate 13, a clamping plate 14 and a supporting net 36. The two ends of the clamping mounting plate 13 are respectively connected to different second sliders 16. A plurality of clamping plates 14 are arranged at intervals in the placement groove of the clamping mounting plate 13. The ends of each clamping plate 14 are respectively slidably connected to the clamping mounting plate 13 through a third slider 24. Two adjacent third sliders 24 are connected by a second spring 37. The plurality of clamping plates 14 are used to divide the placement of the clamping mounting plate 13 into a plurality of clamping areas for clamping samples. A supporting net 36 is also provided on one side of the placement groove. The supporting net 36 is installed on the clamping mounting plate 13. The supporting net 36 is used to support the clamping plate 14. The supporting net 36 is slidably connected to the clamping plate 14.

[0049] Preferably, the sample clamping mechanism also includes a connecting plate 15 and a fourth slider 35. There are multiple connecting plates 15, and the number of the multiple connecting plates 15 is the same as the number of the clamps 14. A connecting plate 15 is provided between two adjacent clamps 14. One end of the connecting plate 15 is connected to one of the clamps 14. A fourth slider 35 is slidably connected in a slide groove at the other end of the connecting plate 15, and the fourth slider 35 is connected to the other clamp 14.

[0050] In this embodiment, the sample clamping mechanism further includes a screw 17, which is inserted into the thread groove of the third slider 24 located at one end of the placement groove, and the screw 17 is threadedly connected to the thread groove of the third slider 24, and the screw 17 is also rotatably connected to the clamping mounting plate 13. Preferably, the screw 17 is located at one end of the clamping mounting plate 13 away from the test area 28, thereby avoiding affecting the driving of the motor on the screw 17 during the immersion corrosion test.

[0051] In actual application, multiple samples are placed in different clamping areas respectively, and then the motor drives the screw rod 17 to rotate, and the screw rod 17 drives the third slider 24 at the end to slide, so that the width of multiple clamping areas can be reduced in sequence under the cooperation of the connecting plate 15 and the fourth slider 35, thereby achieving the function of clamping multiple samples in sequence. The second spring 37 can perform preliminary clamping and positioning of the sample in the clamping area before the motor drives the screw rod 17.

[0052] See also Figure 1 and Figure 3 As an embodiment of the present invention, the infiltration corrosion test mechanism includes a liquid delivery pipe 32, a reflux pipe 31 and a filter plate 29, the two ends of the liquid delivery pipe 32 are respectively connected to the liquid storage area 23 and the test area 28, and the liquid delivery pipe 32 is used to deliver the reagent in the liquid storage area 23 to the test area 28; one end of the reflux pipe 31 is connected to the liquid storage area 23, and the other end of the reflux pipe 31 is connected to the filter area 30 opened on the box 8, the filter area 30 is connected to the test area 28, and a filter plate 29 is installed at the connection between the filter area 30 and the test area 28; the filter plate 29 is used to filter impurities generated by the infiltration corrosion test, and the reflux pipe 31 is used to deliver the filtered reagent to the liquid storage area 23 after the infiltration corrosion test is completed.

[0053] In one embodiment of the present invention, the drying test mechanism includes an air outlet duct 34, a heater 26 and an air inlet duct 6, the heater 26 is installed in the test area 28, and the air inlet of the heater 26 is connected to the air inlet duct 6, the air outlet guide plate 27 of the heater 26 is arranged opposite to the sample located in the test area 28; the air outlet of the test area 28 is connected to the air outlet duct 34.

[0054] See also Figure 3As an embodiment of the present invention, a mixing mechanism is provided in the liquid storage area 23, and the mixing mechanism is used to mix the reagents in the liquid storage area 23. The mixing mechanism includes a mixing shaft 21, a mixing rod 22 and a mixing motor 20. The mixing motor 20 is installed in the liquid storage area 23, and the output end of the mixing motor 20 is connected to the mixing shaft 21. A plurality of groups of mixing rods 22 for mixing reagents are provided at intervals on the periphery of the mixing shaft 21.

[0055] In this embodiment, the water inlet of the liquid storage area 23 is connected to the water inlet pipe 7, and the water outlet of the liquid storage area 23 is connected to the drain pipe 9, so that when the concentration of the reagent in the liquid storage area 23 is insufficient, the raw materials can be delivered to the liquid storage area 23 through the water inlet pipe 7, and then the mixing shaft 21 is driven to rotate by the mixing motor 20, and then the reagents in the liquid storage area 23 are mixed under the action of the mixing rod 22.

[0056] See also Figure 1 and Figure 3 As an embodiment of the present invention, the cover plate 1 is also connected to the box body 8 through a connecting assembly, and the connecting assembly includes a magnetic member 18 and an electromagnet 19. The magnetic member 18 is installed at one end of the cover plate 1 away from the connecting shaft 25, and the magnetic member 18 is located on the side of the cover plate 1 facing the sample placement area 33. The end of the sample placement area 33 away from the connecting shaft 25 is provided with an electromagnet 19, and the electromagnet 19 and the magnetic member 18 are magnetically matched; when the cover plate 1 is flipped to the closed position to seal the sample placement area 33, the magnetic member 18 contacts the electromagnet 19. Therefore, the electromagnet 19 can be energized with the power supply, so that the electromagnet 19 is electrically connected to 08, ensuring the stability of the cover plate 1 in the closed position, providing protection for subsequent experiments.

[0057] In this embodiment, the immersion corrosion test mechanism also includes a water level sensor 38, which is used to monitor the water level in the test area 28; the drying test mechanism also includes a humidity sensor 39, which is used to monitor the humidity in the test area 28; the humidity sensor 39 and the water level sensor 38 are both installed in the test area 28, and the height of the humidity sensor 39 is greater than the height of the water level sensor 38; the multi-sample cycle wet corrosion test box also includes a button 10 and a display panel 11, which are respectively installed on the box body 8, and the button 10 is used to adjust the working status and parameters of the humidity sensor 39 and the water level sensor 38 respectively, and the display panel 11 is used to display the working status and parameters of the humidity sensor 39 and the water level sensor 38.

[0058] See also Figure 4In one embodiment of the present invention, a multi-sample cycle wet corrosion test method is applied to a multi-sample cycle wet corrosion test box; the multi-sample cycle wet corrosion test method comprises the following steps:

[0059] Open the cover plate 1 so that the sample clamping mechanism moves to the sample placement area 33;

[0060] After the sample clamping mechanism clamps the multiple samples, the cover plate 1 is closed, so that the sample clamping mechanism drives the multiple samples into the test area 28;

[0061] Start the test and time the total test time;

[0062] The immersion corrosion test mode is turned on, and the immersion corrosion test mechanism performs an immersion corrosion test on the sample on the sample clamping mechanism in the test area 28; the water pump installed on the liquid delivery pipe 32 delivers the reagent in the liquid storage area 23 to the test area 28, and when the water level sensor 38 detects that the water level in the test area 28 reaches the immersion height, the liquid delivery pipe 32 stops delivering water, and the reagent in the test area 28 performs an immersion test on the sample, and then when the immersion test duration reaches the immersion setting time, the immersion corrosion test mode is turned off, and under the action of the water pump on the reflux pipe 31 being turned on, the reagent in the test area 28 is filtered through the filter plate 29, and the filtered reagent is delivered to the liquid storage area 23 through the reflux pipe 31;

[0063] Then, the drying mode is turned on, and the cold air is sent to the heater 26 through 06 under the action of the fan, and the air is heated by the heater 26. The heated hot air is sent to the test area 28 through the air outlet guide plate 27 for drying;

[0064] When the drying time reaches the set drying time, the drying mode is turned off and the immersion corrosion test mode is turned on. When the total test time reaches the set test time, the multi-sample periodic wet corrosion test ends.

[0065] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A multi-sample periodic wet corrosion test chamber, characterized in that: The multi-sample cycle wet corrosion test chamber comprises: The box body (8) is provided with a liquid storage area (23), a test area (28) and a sample placement area (33) in the cover plate (1), and the sample placement area (33) is communicated with the test area (28); A cover plate (1), the cover plate (1) being installed in the sample placement area (33), one end of the cover plate (1) being rotatably connected to one end of the sample placement area (33) via a connecting shaft (25), and the cover plate (1) being used to seal the sample placement area (33); A sample clamping mechanism, wherein the sample clamping mechanism is used to clamp a plurality of samples; A position adjustment mechanism, the position adjustment mechanism is used to adjust the position of the sample clamping mechanism, the position adjustment mechanism comprises an L-shaped guide rail (12), a second slider (16), a hinged rod (5) and a first slider (3), the two ends of the L-shaped guide rail (12) are respectively located in the sample placement area (33) and the test area (28), two second sliders (16) are slidably connected in the L-shaped guide rail (12), and the two second sliders (16) are respectively connected to the two ends of the sample clamping mechanism; the second slider (16) away from the test area (28) is hinged to one end of the hinged rod (5), and the other end of the hinged rod (5) is hinged to the first slider (3). The first slider (3) is hinged, and is slidably connected to a slide groove (2) provided in the shell wall of the cover plate (1), and one end of the first slider (3) is hinged to the end of the slide groove (2) via a first spring (4); when the cover plate (1) is flipped to an open position for opening the sample placement area (33), the two air inlet pipes (6) slide along the track of the L-shaped guide rail (12) until the sample clamping mechanism is located in the sample placement area (33); when the cover plate (1) is flipped to a closed position for sealing the sample placement area (33), the two air inlet pipes (6) slide along the track of the L-shaped guide rail (12) until the sample clamping mechanism is located in the test area (28); An immersion corrosion test mechanism, the immersion corrosion test mechanism being used to perform an immersion corrosion test on a sample on a sample holding mechanism located in a test area (28); A drying test mechanism is used to perform a drying test on a sample on a sample clamping mechanism located in a test area (28) after an immersion corrosion test is completed.

2. A multi-sample cycle wet corrosion test chamber according to claim 1, characterized in that: The sample clamping mechanism comprises a clamping mounting plate (13), a clamping plate (14) and a supporting net (36). The two ends of the clamping mounting plate (13) are respectively connected to different second sliders (16). A plurality of clamping plates (14) are arranged at intervals in the placement groove of the clamping mounting plate (13). The end of each clamping plate (14) is slidably connected to the clamping mounting plate (13) via a third slider (24). Two adjacent third sliders (24) are connected via a second spring (37). The plurality of clamping plates (14) are used to divide the placement of the clamping mounting plate (13) into a plurality of clamping areas for clamping samples. A supporting net (36) is also provided on one side of the placement groove. The supporting net (36) is installed on the clamping mounting plate (13). The supporting net (36) is used to support the clamping plate (14). The supporting net (36) is slidably connected to the clamping plate (14).

3. A multi-sample cycle wet corrosion test chamber according to claim 2, characterized in that: The sample clamping mechanism further comprises a connecting plate (15) and a fourth sliding block (35); the number of the connecting plates (15) is multiple, and the number of the multiple connecting plates (15) is the same as the number of the clamping plates (14); a connecting plate (15) is provided between two adjacent clamping plates (14); one end of the connecting plate (15) is connected to one of the clamping plates (14); a fourth sliding block (35) is slidably connected in a sliding groove at the other end of the connecting plate (15); and the fourth sliding block (35) is connected to the other clamping plate (14).

4. A multi-sample cycle wet corrosion test chamber according to claim 3, characterized in that: The sample clamping mechanism also includes a screw rod (17), which is inserted into a threaded groove of a third slider (24) located at one end of the placement groove, and the screw rod (17) is threadedly connected to the threaded groove of the third slider (24), and the screw rod (17) is also rotatably connected to the clamping mounting plate (13).

5. The multi-sample cycle wet corrosion test chamber according to claim 1, characterized in that: The infiltration corrosion test mechanism comprises a liquid delivery pipe (32), a return pipe (31) and a filter plate (29); the two ends of the liquid delivery pipe (32) are respectively connected to the liquid storage area (23) and the test area (28); the liquid delivery pipe (32) is used to deliver the reagent in the liquid storage area (23) to the test area (28); one end of the return pipe (31) is connected to the liquid storage area (23); the other end of the return pipe (31) is connected to the filter area (30) provided on the box body (8); the filter area (30) is connected to the test area (28), and a filter plate (29) is installed at the connection point between the filter area (30) and the test area (28); the filter plate (29) is used to filter impurities generated by the infiltration corrosion test; the return pipe (31) is used to deliver the filtered reagent to the liquid storage area (23) after the infiltration corrosion test is completed.

6. The multi-sample cycle wet corrosion test chamber according to claim 5, characterized in that: The drying test mechanism comprises an air outlet pipe (34), a heater (26) and an air inlet pipe (6); the heater (26) is installed in a test area (28), and the air inlet of the heater (26) is connected to the air inlet pipe (6); the air outlet guide plate (27) of the heater (26) is arranged facing the sample in the test area (28); and the air outlet of the test area (28) is connected to the air outlet pipe (34).

7. The multi-sample cycle wet corrosion test chamber according to claim 6, characterized in that: The immersion corrosion test mechanism further comprises a water level sensor (38), and the water level sensor (38) is used to monitor the water level in the test area (28); the drying test mechanism further comprises a humidity sensor (39), and the humidity sensor (39) is used to monitor the humidity in the test area (28); the humidity sensor (39) and the water level sensor (38) are both installed in the test area (28), and the height of the humidity sensor (39) is greater than the height of the water level sensor (38); the multi-sample cycle wet corrosion test box further comprises a button (10) and a display panel (11), and the button (10) and the display panel (11) are respectively installed on the box body (8), and the button (10) is used to adjust the working state and parameters of the humidity sensor (39) and the water level sensor (38), and the display panel (11) is used to display the working state and parameters of the humidity sensor (39) and the water level sensor (38).

8. The multi-sample cycle wet corrosion test chamber according to claim 1, characterized in that: A mixing mechanism is provided in the liquid storage area (23), and the mixing mechanism is used to mix the reagents in the liquid storage area (23). The mixing mechanism comprises a mixing shaft (21), a mixing rod (22) and a mixing motor (20). The mixing motor (20) is installed in the liquid storage area (23), and the output end of the mixing motor (20) is connected to the mixing shaft (21). A plurality of groups of mixing rods (22) for mixing the reagents are provided at intervals on the periphery of the mixing shaft (21).

9. The multi-sample cycle wet corrosion test chamber according to claim 1, characterized in that: The cover plate (1) is also connected to the box body (8) via a connecting assembly, wherein the connecting assembly comprises a magnetic member (18) and an electromagnet (19), wherein the magnetic member (18) is mounted on an end of the cover plate (1) away from the connecting shaft (25), and the magnetic member (18) is located on a side of the cover plate (1) facing the sample placement area (33), and an electromagnet (19) is provided at an end of the sample placement area (33) away from the connecting shaft (25), and the electromagnet (19) and the magnetic member (18) are magnetically matched; when the cover plate (1) is flipped to a closed position for sealing the sample placement area (33), the magnetic member (18) contacts the electromagnet (19).

10. A multi-sample periodic wet corrosion test method, characterized in that: A multi-sample cycle wet corrosion test chamber applied to any one of claims 1 to 9; the multi-sample cycle wet corrosion test method comprises the following steps: Opening the cover plate (1) so that the sample clamping mechanism moves to the sample placement area (33); After the sample clamping mechanism clamps the multiple samples, the cover plate (1) is closed, so that the sample clamping mechanism drives the multiple samples into the test area (28); Start the test and time the total test time; The immersion corrosion test mode is turned on, and the immersion corrosion test mechanism performs an immersion corrosion test on the sample on the sample clamping mechanism located in the test area (28); When the duration of the immersion corrosion test reaches the set duration, the immersion corrosion test mode is turned off. The drying mode is turned on, and the drying test mechanism performs a drying test on the sample on the sample clamping mechanism located in the test area (28); When the drying time reaches the set drying time, the drying mode is turned off and the immersion corrosion test mode is turned on. When the total test time reaches the set test time, the multi-sample periodic wet corrosion test ends.

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