Multifunctional photoelectrochemical testing device

Abstract

The invention relates to the technical field of electrochemical testing equipment, and particularly discloses a multifunctional photoelectrochemical testing device which comprises an electrolytic bath, at least one partition plate is arranged in the electrolytic bath, and the partition plate is used for partitioning the electrolytic bath and dividing the interior of the electrolytic bath into at least two testing spaces. The length direction of the partition plate is perpendicular to the width direction of the electrolytic cell, a positioning adjusting assembly is arranged between the electrolytic cell and the partition plate, the positioning adjusting assembly is used for quickly positioning the partition plate so as to fix the partition plate at a proper position in the electrolytic cell, and a storage cavity is formed in the top side of the partition plate. The internal part of the electrolytic cell can be divided into a plurality of test spaces through the partition plates and the baffle plates, different test experiments can be carried out through the plurality of test spaces, and the volumes of the different test spaces can be adjusted, so that the device can simulate a plurality of groups of test experiment operations under different conditions and different systems, and the application range of the device is expanded.

Description

Technical Field

[0001] The present invention relates to the technical field of electrochemical testing equipment, and in particular to a multifunctional photoelectrochemical testing device. Background Art

[0002] In the field of photoelectrochemical research and testing, photoelectrochemical testing equipment is an important tool for conducting experiments such as material performance evaluation and reaction mechanism exploration. In the process of photoelectrochemical testing, the electrolyzer is a common testing device that can conduct experiments such as photolysis of water, pollutant degradation, and electrochemical performance testing.

[0003] At present, the electrolytic cell in common photoelectrochemical testing devices is usually a single integral space. This structure has many limitations when conducting various types of photoelectrochemical tests. When multiple sets of test experiments with different conditions and different systems need to be carried out simultaneously, or when differentiated control of different areas is required in the same experiment, the electrolytic cell in a single space cannot meet the requirements.

[0004] Therefore, a multifunctional photoelectrochemical testing device is needed to solve the above technical problems. Summary of the Invention

[0005] The present invention provides a multifunctional photoelectrochemical testing device, which aims to solve the technical problem in related technologies that a single-space electrolytic cell cannot meet the requirements when multiple groups of test experiments with different conditions and different systems need to be carried out simultaneously, or when differentiated control of different areas is required in the same experiment.

[0006] A multifunctional photoelectrochemical testing device of the present invention comprises:

[0007] electrolytic cell;

[0008] At least one partition is disposed inside the electrolytic cell, the partition being used to divide the interior of the electrolytic cell into at least two test spaces, the length direction of the partition being perpendicular to the width direction of the electrolytic cell, a receiving cavity being defined on the top side of the partition, and a plurality of water holes being uniformly defined on one side of the partition, the water holes penetrating the receiving cavity;

[0009] A positioning and adjusting component is provided between the electrolytic cell and the partition, and is used to quickly position the partition;

[0010] The baffle is arranged inside the receiving chamber. When the baffle is removed from the receiving chamber, the interior of the electrolytic cell is connected to the receiving chamber through the plurality of water holes.

[0011] A fixed sealing assembly is provided between the baffle and the partition, and is used to quickly fix the partition and ensure the sealing between the partition and the baffle;

[0012] The adjustment seat is installed on one side of the partition and has a U-shape. The length direction of the adjustment seat is parallel to the length direction of the partition. Three electrode structures are movably arranged on the adjustment seat.

[0013] Preferably, the positioning and adjustment component includes a positioning card block, a sealing card plate, a positioning card slot and a sealing groove. The positioning card block is installed on one side of the inner wall of the electrolytic cell, the positioning card slot is opened on the top side of the partition, the positioning card block is connected to the positioning card slot, the shape of the positioning card block and the positioning card slot is T-shaped or dovetail-shaped, the size of the positioning card block is adapted to the size of the positioning card slot, a plurality of fixed sockets are opened on one side of the positioning card block, the sealing card plate is installed on the bottom side of the partition, there are multiple sealing grooves, and the multiple sealing grooves are evenly opened on the bottom side of the inner wall of the electrolytic cell, the sealing card plate is inserted into the inside of the sealing groove, and the spacing between two adjacent positioning card blocks is the same as the spacing between two adjacent sealing grooves.

[0014] Preferably, the fixed sealing assembly includes a mounting hole, a sealing slot, a sealing plug, a movable rod, a reset spring 1, a movable pull plate, a connecting pull rod, a sealing plug plate, a fixed plug rod and a guide reset structure. The sealing slot is opened on one side of the partition plate, and the sealing slot is communicated with the storage cavity. A plurality of fixed plug holes 2 are opened on the inner wall of the sealing slot. The mounting hole is opened in the middle position of the top side of the baffle. The sealing plug thread is arranged inside the mounting hole. The movable rod passes through the sealing plug and is slidably connected to the sealing plug. A part of the movable rod is located inside the mounting hole. The reset spring 1 is located inside the mounting hole and is sleeved on the movable rod. The outer surface of the movable rod, the bottom end of the reset spring 1 contacts the bottom end of the movable rod, the top of the reset spring 1 contacts the bottom end of the sealing plug, the movable pull plate is connected to the top end of the movable rod, the connecting pull rod is hinged to one end of the movable pull plate, and the other end of the connecting pull rod is hinged to the sealing plug plate. There are multiple fixed plug rods and they are evenly connected on one side of the sealing plug plate. The fixed socket 1 and the fixed socket 2 are both adapted to the size of the fixed plug rod. The guide reset structure is provided on the baffle, and the guide reset structure is used to guide the sealing plug plate to avoid position displacement of the sealing plug plate.

[0015] Preferably, the guide reset structure includes a guide slot, a guide rod and a second reset spring. The guide slot is opened on one side of the baffle. There are multiple guide rods and multiple reset springs. Multiple guide rods and reset springs are evenly installed on the inner wall of the guide slot. The guide rod passes through the sealing plug plate and is slidably connected to the sealing plug plate. A part of the guide rod is located inside the second reset spring. The guide rod corresponds one-to-one to the second reset spring. One end of the second reset spring is connected to the sealing plug plate.

[0016] Preferably, the electrode structure includes a connector, a mounting plate, an electrode, an electrode adjustment assembly and a fixing assembly. The connector is slidably arranged inside the adjustment seat. The mounting plate is connected to one end of the connector. The electrode is movably mounted on one side of the mounting plate. The electrode adjustment assembly is arranged between the electrode and the mounting plate. The electrode adjustment assembly is used to fix the electrode and adjust the angle of the electrode. The fixing assembly is arranged between the connector and the adjustment seat. The fixing assembly is used to fix the connector at a suitable position on the adjustment seat to adjust the distance between two adjacent electrodes.

[0017] Preferably, the electrode adjustment assembly includes a through-hole, an adjustment rod, a clamping threaded rod, a clamping nut and an adjustment slot. The through-hole and the adjustment slot are opened on one side of the electrode. The diameter of the adjustment rod is the same as the width of the adjustment slot. There are multiple adjustment rods. The multiple adjustment rods are connected to the mounting plate. The multiple adjustment rods are distributed in an array around the center of the through-hole. The clamping threaded rod is connected to the mounting plate. The clamping threaded rod passes through the inside of the through-hole. The clamping nut is threadedly connected to the clamping threaded rod.

[0018] Preferably, the fixing assembly includes a fixing hole, a fixing spring and a fixing rod. There are multiple fixing holes, and the multiple fixing holes are evenly opened on one side of the adjustment seat. One end of the fixing spring is connected to the connecting piece, and the other end of the fixing spring is connected to the end of the fixing rod. The cross-sectional shape of the fixing rod is T-shaped. The fixing rod passes through the connecting piece and is slidably connected to the connecting piece. The minimum diameter of the fixing rod is adapted to the diameter of the fixing hole, and the fixing rod is inserted into the interior of the fixing hole.

[0019] Preferably, a delivery pump is fixedly installed on one side of the electrolytic cell, the delivery pump is connected to the bottom of the electrolytic cell through a pipeline, a return pipe is connected to the water outlet of the delivery pump, a filter box is installed on the side of the electrolytic cell away from the delivery pump, at least one filter is installed inside the filter box, and the bottom end of the filter box is connected to the top of the electrolytic cell through a pipeline.

[0020] The beneficial effects of the present invention are:

[0021] 1. The interior of the electrolytic cell can be divided into multiple test spaces by the provided partitions and baffles. Different test experiments can be carried out through the multiple test spaces, and the volumes of different test spaces can be adjusted, so that the device can simulate a large number of test experimental operations under different conditions and different systems, thereby expanding the scope of application of the device.

[0022] 2. The positioning adjustment assembly and the fixed sealing assembly make it easier to disassemble and assemble the partitions and baffles, which reduces the time required for disassembly and assembly of the partitions and baffles, thereby reducing the time required for assembling the device and improving the efficiency of subsequent tests.

[0023] 3. The provided connectors, mounting plates, electrode adjustment components and fixing components not only make the operation of disassembling and assembling the electrodes easier, but also enable the adjustment of the angle and position of the electrodes, so that the device can perform test experiments on electrodes with different spacings and angles, and can perform differentiated control on different test spaces, further expanding the scope of application of the device and making the test device more functional. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention.

[0025] Figure 2 It is a schematic diagram of the top structure of the present invention.

[0026] Figure 3 It is a structural schematic diagram of the present invention without a partition.

[0027] Figure 4 It is a structural schematic diagram of the partition and its connecting components of the present invention.

[0028] Figure 5 This invention Figure 4 Schematic diagram of the cross-section structure.

[0029] Figure 6 This invention Figure 4 Schematic diagram of the structure without baffle.

[0030] Figure 7 This invention Figure 6 Schematic diagram of the enlarged structure at point A in the middle.

[0031] Figure 8 It is a structural schematic diagram of the baffle of the present invention.

[0032] Figure 9 This invention Figure 8 Schematic diagram of the cross-section structure.

[0033] Figure 10 This is a schematic diagram of the electrode structure of the present invention.

[0034] Figure 11 Schematic diagram of the structure of the electrode of the present invention.

[0035] Figure 12 This invention Figure 5 Schematic diagram of the enlarged structure at point B in the middle.

[0036] Figure 13 This invention Figure 5 Schematic diagram of the enlarged structure at point C in the middle.

[0037] Reference numerals:

[0038] 10. Electrolytic cell; 101. Sealing slot; 11. Positioning block; 111. Fixed socket 1; 12. Delivery pump; 13. Return pipe; 14. Filter box; 15. Filter screen; 20. Partition; 201. Storage chamber; 202. Water hole; 203. Positioning slot; 204. Sealing slot; 21. Sealing plate; 30. Baffle; 301. Mounting hole; 302. Guide slot; 31. Sealing plug; 32. Movable rod; 33. Position spring 1; 34. Movable pull plate; 35. Connecting pull rod; 36. Sealing plug plate; 37. Fixed plug rod; 38. Guide rod; 39. Reset spring 2; 40. Adjustment seat; 401. Fixing hole; 50. Electrode structure; 51. Connector; 52. Mounting plate; 53. Electrode; 531. Perforation; 532. Adjustment slot; 54. Adjustment rod; 55. Clamping threaded rod; 56. Clamping nut; 57. Fixing spring; 58. Fixing rod. DETAILED DESCRIPTION

[0039] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0040] like Figures 1 to 13 As shown, a multifunctional photoelectrochemical testing device of the present invention includes an electrolytic cell 10, and at least one partition 20 is provided inside the electrolytic cell 10. The partition 20 is used to separate the electrolytic cell 10 and divide the interior of the electrolytic cell 10 into at least two test spaces. The length direction of the partition 20 is perpendicular to the width direction of the electrolytic cell 10. A positioning adjustment component is provided between the electrolytic cell 10 and the partition 20. The positioning adjustment component is used to quickly position the partition 20 to fix the partition 20 in a suitable position inside the electrolytic cell 10. A storage cavity 201 is provided on the top side of the partition 20, and a plurality of water holes are evenly provided on one side of the partition 20. 202, the water hole 202 passes through the storage chamber 201, and a baffle 30 is inserted into the interior of the storage chamber 201. When the baffle 30 is removed from the interior of the storage chamber 201, the interior of the electrolytic cell 10 is connected to the storage chamber 201 through multiple water holes 202. A fixed sealing component is provided between the baffle 30 and the partition 20. The fixed sealing component is used to quickly fix the partition 20 and ensure the sealing between the partition 20 and the baffle 30. A U-shaped adjustment seat 40 is connected to one side of the partition 20. The length direction of the adjustment seat 40 is parallel to the length direction of the partition 20. Three electrode structures 50 are movably provided on the adjustment seat 40.

[0041] When conducting a test experiment, an appropriate number of partitions 20 are selected according to the type of photoelectrochemical test experiment to be conducted and installed inside the electrolytic cell 10, and the baffle 30 is used to block the water hole 202. At this time, the interior of the electrolytic cell 10 is divided into multiple separate test spaces, and the multiple test spaces can be set to different volumes, so that different photoelectrochemical test experiments can be conducted separately. If the baffle 30 is not installed during the experiment, the two adjacent test spaces are connected through the water hole 202, which not only expands the test space, but also enables photoelectrochemical test experiments to be conducted in the presence of obstructions, so that the device can perform various types of test operations.

[0042] The three electrode structures 50 are a photoelectrode structure, a counter electrode structure and a reference electrode structure, respectively, so as to enable photoelectrochemical testing operations.

[0043] It should be noted that the area of ​​the baffle 30 is larger than the total area of ​​the area formed by the multiple water holes 202, so that the baffle 30 can cover all the water holes 202, and a cover plate is installed on the top of the electrolytic cell 10, which is not shown in the figure, and can block and seal the top of the electrolytic cell 10.

[0044] The positioning and adjustment assembly includes a positioning block 11 installed on one side of the inner wall of the electrolytic cell 10 and a sealing card plate 21 installed on the bottom side of the partition 20. A plurality of fixed sockets 111 are provided on one side of the positioning block 11, and a positioning slot 203 is provided on the top side of the partition 20. The positioning block 11 is snapped into the positioning slot 203. The positioning block 11 and the positioning slot 203 are T-shaped or dovetail-shaped. The positioning block 11 is adapted to the size of the positioning slot 203. A plurality of sealing grooves 101 are provided on the bottom side of the inner wall of the electrolytic cell 10. The sealing card plate 21 is inserted into the inside of the sealing groove 101. The spacing between two adjacent positioning blocks 11 is the same as the spacing between two adjacent sealing grooves 101.

[0045] When the partition 20 is installed inside the electrolytic cell 10, the positioning block 11 is engaged with the positioning slot 203, and the bottom side of the partition 20 is fitted with the bottom side of the inner wall of the electrolytic cell 10. At this time, the sealing card 21 is inserted into the sealing slot 101, and one side of the partition 20 is fitted with one side of the inner wall of the electrolytic cell 10. This not only allows the partition 20 to be positioned quickly, but also ensures the sealing between the partition 20 and the electrolytic cell 10, avoiding the situation where the electrolyte passes through the connection between the partition 20 and the electrolytic cell 10.

[0046] The fixed sealing assembly includes a mounting hole 301 provided in the middle of the top side of the baffle 30 and a sealing slot 204 provided on one side of the partition 20. The sealing slot 204 is connected to the storage cavity 201. The inner wall of the sealing slot 204 is provided with a plurality of fixed sockets 2. The inner wall of the mounting hole 301 is threadedly connected with a sealing plug 31 with a T-shaped cross section. A movable rod 32 with a T-shaped cross section is slidingly provided inside the mounting hole 301. The movable rod 32 passes through the sealing plug 31 and is slidably connected to the sealing plug 31. A reset spring 33 is provided inside the mounting hole 301. A part of the movable rod 32 is located inside the reset spring 33. The bottom end of the reset spring 33 is aligned with the bottom end of the movable rod 32. Contact, the top of the reset spring 33 is in contact with the bottom end of the sealing plug 31, the top of the movable rod 32 is connected to the movable pull plate 34, one end of the movable pull plate 34 is hinged with a connecting pull rod 35, one end of the connecting pull rod 35 is hinged with a sealing plug plate 36 that is adapted to the size of the sealing slot 204, and one side of the sealing plug plate 36 is fixedly connected with multiple fixed plug rods 37, and the fixed socket 1 111 and the fixed socket 2 are adapted to the size of the fixed plug rod 37, and the fixed socket 1 111 and the fixed socket 2 are in one-to-one correspondence with the fixed plug rod 37. A guide reset structure is provided on the baffle 30, which is used to guide the sealing plug plate 36 to avoid position displacement of the sealing plug plate 36.

[0047] The guide reset structure includes a guide groove 302 opened on one side of the baffle 30, the sealing plug plate 36 is located inside the guide groove 302 and is slidably connected to the guide groove 302, and the inner wall of the guide groove 302 is fixedly connected with multiple guide rods 38 and multiple reset springs 39. The guide rod 38 passes through the sealing plug plate 36 and is slidably connected to the sealing plug plate 36. A part of the guide rod 38 is located inside the reset spring 39, and the guide rod 38 corresponds to the reset spring 39 one-to-one. One end of the reset spring 39 is connected to the sealing plug plate 36.

[0048] After the partition 20 is installed inside the electrolytic cell 10, if the baffle 30 needs to be installed, first move the movable pull plate 34 upward, at this time the movable rod 32 moves accordingly and the return spring 1 33 is in a compressed state, as the movable pull plate 34 moves, the sealing plug plate 36 and the fixed plug rod 37 are retracted into the guide groove 302 under the action of the connecting rod 35, at this time the return spring 2 39 is in a compressed state, and then the baffle 30 is completely inserted into the storage chamber 201, at this time the fixed plug rod 37 corresponds to the position of the fixed socket 1 111 and the fixed socket 2, and then slowly release the movable pull plate 34, and between the return spring 1 33 and the return spring 2 The reaction force of spring 2 39 resets the sealing insert 36. At this time, the sealing insert 36 fits tightly against the inner wall of the sealing slot 204, and the fixing rod 37 passes through the inside of the fixing socket 2 and is inserted into the inside of the fixing socket 1 111, thereby completing the fixing operation of the partition 20 and the baffle 30 at the same time, making the operation of installing the partition 20 or the baffle 30 relatively simple, and also convenient for removing the partition 20 or the baffle 30, thereby improving the efficiency of assembling the partition 20 and the baffle 30. Since the sealing plug 31 is threadedly connected to the mounting hole 301, the operation of disassembling and assembling the sealing plug 31 is relatively simple, and it is convenient to replace the reset spring 1 33 when its elasticity is reduced or damaged.

[0049] It should be noted that the length of the guide groove 302 is greater than the sum of the width of the sealing insert 36 and the length of the fixed insert rod 37, so that the sealing insert 36 and the fixed insert rod 37 can be retracted into the interior of the guide groove 302, thereby facilitating the subsequent insertion of the baffle 30 into the interior of the storage cavity 201.

[0050] The electrode structure 50 includes a connector 51 that is slidably arranged inside the adjustment seat 40, one end of the connector 51 is connected to a mounting plate 52, an electrode 53 is movably mounted on one side of the mounting plate 52, an electrode adjustment assembly is arranged between the electrode 53 and the mounting plate 52, the electrode adjustment assembly is used to fix the electrode 53 and adjust the angle of the electrode 53, a fixing assembly is arranged between the connector 51 and the adjustment seat 40, the fixing assembly is used to fix the connector 51 at a suitable position of the adjustment seat 40 to adjust the distance between two adjacent electrodes 53.

[0051] The electrode adjustment assembly includes a through-hole 531 opened on one side of the electrode 53 and a plurality of adjustment rods 54 installed on one side of the mounting plate 52. The plurality of adjustment rods 54 are distributed in a circular array around the center of the through-hole 531. A clamping threaded rod 55 connected to the mounting plate 52 is inserted into the inner wall of the through-hole 531. A clamping nut 56 is threadedly connected to the outer surface of the clamping threaded rod 55. An adjustment groove 532 is opened on one side of the electrode 53. The diameter of the adjustment rod 54 is the same as the width of the adjustment groove 532.

[0052] When installing the electrode 53, first pass the clamping threaded rod 55 through the inside of the through-hole 531 and fit the electrode 53 with the mounting plate 52. If it is necessary to adjust the angle of the electrode 53 during this process, rotate the electrode 53 to a suitable angle and insert the adjusting rod 54 at the suitable angle into the adjusting groove 532, so as to keep the electrode 53 at a suitable angle. Then, thread the clamping nut 56 with the clamping threaded rod 55 and fit the clamping nut 56 tightly with the mounting plate 52, thereby completing the operation of installing the electrode 53. This makes it easier to install the electrode 53 and adjust the angle of the electrode 53. It is also easier to remove the electrode 53 and replace it when it is damaged. By adjusting the angle of the electrode 53, the influence of electrodes 53 at different angles on the photoelectrochemical test can be measured, thereby expanding the scope of application of the test device.

[0053] The fixing assembly includes a plurality of fixing holes 401 opened on one side of the adjustment seat 40 and a fixing spring 57 connected to the connecting member 51. The end of the fixing spring 57 away from the connecting member 51 is connected to a fixing rod 58 with a T-shaped cross-section. The fixing rod 58 passes through the connecting member 51 and is slidably connected to the connecting member 51. The minimum diameter of the fixing rod 58 is adapted to the diameter of the fixing hole 401, and the fixing rod 58 is inserted into the interior of the fixing hole 401.

[0054] When performing photoelectrochemical testing, first pull the fixing rod 58 to move it out from the inside of a fixing hole 401. At this time, the fixing spring 57 is in a stretched state. Then move the connecting piece 51 along the length direction of the adjustment seat 40. At this time, the mounting plate 52 drives the electrode 53 to move. According to the actual situation during the test, adjust the electrode 53 to a suitable position and make the fixing rod 58 correspond to the position of the fixing hole 401 at the appropriate position. Then slowly loosen the fixing rod 58, and insert the fixing rod 58 into the inside of the fixing hole 401 under the reaction force of the fixing spring 57 to fix the connecting piece 51, thereby fixing the electrode 53 in a suitable position, making the operation of adjusting the position of the electrode 53 relatively simple, and enabling the device to test the influence of electrodes with different spacings on the test results.

[0055] A delivery pump 12 is fixedly installed on one side of the electrolytic cell 10, and the delivery pump 12 is connected to the bottom of the electrolytic cell 10 through a pipeline. A return pipe 13 is connected to the water outlet of the delivery pump 12. A filter box 14 is installed on the side of the electrolytic cell 10 away from the delivery pump 12. At least one filter screen 15 is installed inside the filter box 14, and the bottom end of the filter box 14 is connected to the top of the electrolytic cell 10 through a pipeline.

[0056] When the electrolyte inside the electrolytic cell 10 needs to circulate, the delivery pump 12 is started, and the electrolyte is transported to the inside of the filter box 14 through the reflux pipe 13, and the electrolyte is filtered through the filter screen 15 to prevent impurities from affecting subsequent test results. After filtration, the electrolyte will re-enter the interior of the electrolytic cell 10, allowing the electrolyte to circulate.

[0057] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying 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 should not be understood as limiting the present invention.

[0058] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0059] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A multifunctional photoelectrochemical testing device, characterized in that: include: electrolytic cell (10); At least one partition (20) is arranged inside the electrolytic cell (10), and the partition (20) is used to divide the inside of the electrolytic cell (10) into at least two test spaces. The length direction of the partition (20) is perpendicular to the width direction of the electrolytic cell (10). A receiving cavity (201) is provided on the top side of the partition (20), and a plurality of water holes (202) are evenly provided on one side of the partition (20), and the water holes (202) pass through the receiving cavity (201); A positioning and adjusting component is provided between the electrolytic cell (10) and the partition (20), and is used to quickly position the partition (20); The baffle (30) is arranged inside the receiving chamber (201). When the baffle (30) is removed from the receiving chamber (201), the interior of the electrolytic cell (10) is connected to the receiving chamber (201) through the plurality of water holes (202). A fixed sealing assembly is provided between the baffle (30) and the partition (20), and is used to quickly fix the partition (20) and ensure the sealing between the partition (20) and the baffle (30); The adjustment seat (40) is installed on one side of the partition (20) and has a U-shape. The length direction of the adjustment seat (40) is parallel to the length direction of the partition (20). Three electrode structures (50) are movably arranged on the adjustment seat (40).

2. A multifunctional photoelectrochemical testing device according to claim 1, characterized in that: The positioning adjustment component comprises a positioning block (11), a sealing card plate (21), a positioning slot (203) and a sealing slot (101); the positioning block (11) is mounted on one side of the inner wall of the electrolytic cell (10); the positioning slot (203) is provided on the top side of the partition (20); the positioning block (11) and the positioning slot (203) are engaged with each other; the positioning block (11) and the positioning slot (203) are in a T-shape or a dovetail shape; the positioning block (11) and the positioning slot (203) are in a T-shape or a dovetail shape; 03), a plurality of fixing jacks (111) are provided on one side of the positioning card block (11), a sealing card plate (21) is installed on the bottom side of the partition (20), a plurality of sealing grooves (101) are provided, and the plurality of sealing grooves (101) are evenly provided on the bottom side of the inner wall of the electrolytic cell (10), the sealing card plate (21) is inserted into the inside of the sealing groove (101), and the spacing between two adjacent positioning card blocks (11) is the same as the spacing between two adjacent sealing grooves (101).

3. A multifunctional photoelectrochemical testing device according to claim 2, characterized in that: The fixed sealing assembly includes a mounting hole (301), a sealing slot (204), a sealing plug (31), a movable rod (32), a reset spring (33), a movable pull plate (34), a connecting pull rod (35), a sealing plug plate (36), a fixed plug rod (37) and a guide reset structure. The sealing slot (204) is provided on one side of the partition (20), the sealing slot (204) is connected to the storage cavity (201), a plurality of fixed plug holes (2) are provided on the inner wall of the sealing slot (204), the mounting hole (301) is provided in the middle position of the top side of the baffle (30), the sealing plug (31) is threadedly arranged inside the mounting hole (301), the movable rod (32) passes through the sealing plug (31) and is slidably connected to the sealing plug (31), a part of the movable rod (32) is located inside the mounting hole (301), the reset spring (33) is located at the bottom of the mounting hole (301), and the movable rod (32) is located inside the mounting hole (301). The movable rod (32) is located inside the mounting hole (301) and is sleeved on the outer surface of the movable rod (32). The bottom end of the reset spring (33) contacts the bottom end of the movable rod (32). The top end of the reset spring (33) contacts the bottom end of the sealing plug (31). The movable pull plate (34) is connected to the top end of the movable rod (32). The connecting pull rod (35) is hinged to one end of the movable pull plate (34). The other end of the connecting pull rod (35) is hinged to the sealing plug plate (36). There are multiple fixed plug rods (37) and they are evenly connected on one side of the sealing plug plate (36). The fixed socket one (111) and the fixed socket two are both adapted to the size of the fixed plug rod (37). The guide reset structure is provided on the baffle (30). The guide reset structure is used to guide the sealing plug plate (36) to avoid the sealing plug plate (36) from being offset.

4. A multifunctional photoelectrochemical testing device according to claim 3, characterized in that: The guide reset structure includes a guide slot (302), a guide rod (38) and a reset spring (39). The guide slot (302) is opened on one side of the baffle (30). There are multiple guide rods (38) and reset springs (39). Multiple guide rods (38) and reset springs (39) are evenly installed on the inner wall of the guide slot (302). The guide rod (38) passes through the sealing insert (36) and is slidably connected to the sealing insert (36). A part of the guide rod (38) is located inside the reset spring (39). The guide rod (38) corresponds to the reset spring (39) one by one. One end of the reset spring (39) is connected to the sealing insert (36).

5. The multifunctional photoelectrochemical testing device according to claim 2, characterized in that: The electrode structure comprises a connector (51), a mounting plate (52), an electrode (53), an electrode adjustment assembly and a fixing assembly, wherein the connector (51) is slidably arranged inside the adjustment seat (40), the mounting plate (52) is connected to one end of the connector (51), the electrode (53) is movably mounted on one side of the mounting plate (52), the electrode adjustment assembly is arranged between the electrode (53) and the mounting plate (52), the electrode adjustment assembly is used to fix the electrode (53) and adjust the angle of the electrode (53), the fixing assembly is arranged between the connector (51) and the adjustment seat (40), and the fixing assembly is used to fix the connector (51) at a suitable position of the adjustment seat (40) to adjust the distance between two adjacent electrodes (53).

6. The multifunctional photoelectrochemical testing device according to claim 5, characterized in that: The electrode adjustment assembly comprises a through hole (531), an adjustment rod (54), a clamping threaded rod (55), a clamping nut (56) and an adjustment groove (532). The through hole (531) and the adjustment groove (532) are provided on one side of the electrode (53). The diameter of the adjustment rod (54) is the same as the width of the adjustment groove (532). There are multiple adjustment rods (54). The multiple adjustment rods (54) are connected to the mounting plate (52). The multiple adjustment rods (54) are distributed in an array around the center of the through hole (531). The clamping threaded rod (55) is connected to the mounting plate (52). The clamping threaded rod (55) passes through the inside of the through hole (531). The clamping nut (56) is threadedly connected to the clamping threaded rod (55).

7. A multifunctional photoelectrochemical testing device according to claim 6, characterized in that: The fixing assembly comprises a fixing hole (401), a fixing spring (57) and a fixing rod (58). There are a plurality of fixing holes (401), and the plurality of fixing holes (401) are evenly arranged on one side of the adjustment seat (40). One end of the fixing spring (57) is connected to the connecting piece (51), and the other end of the fixing spring (57) is connected to the end of the fixing rod (58). The cross-section of the fixing rod (58) is T-shaped. The fixing rod (58) passes through the connecting piece (51) and is slidably connected to the connecting piece (51). The minimum diameter of the fixing rod (58) is adapted to the diameter of the fixing hole (401), and the fixing rod (58) is inserted into the interior of the fixing hole (401).

8. The multifunctional photoelectrochemical testing device according to claim 6, characterized in that: A delivery pump (12) is fixedly installed on one side of the electrolytic cell (10), the delivery pump (12) is connected to the bottom of the electrolytic cell (10) through a pipeline, a return pipe (13) is connected to the water outlet of the delivery pump (12), a filter box (14) is installed on the side of the electrolytic cell (10) away from the delivery pump (12), at least one filter screen (15) is installed inside the filter box (14), and the bottom end of the filter box (14) is connected to the top of the electrolytic cell (10) through a pipeline.

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