Preparation of the workbench

Abstract

The application provides a preparation workbench, which comprises an operation plate, an extension plate, a waste liquid collecting structure and a classification structure. One end of the extension plate is rotationally connected with one end of the operation plate. The waste liquid collecting structure is arranged on the operation plate, and at least part of the waste liquid collecting structure is rotationally arranged. The classification structure is arranged on the operation plate, and the classification structure has a plurality of placing grooves. The extension plate is rotationally arranged so that the extension plate has an upright state and a horizontal state. When the extension plate is in the upright state, the boundary of the operation plate is limited. When the extension plate is in the horizontal state, the operation area of the operation plate is extended. At least part of the waste liquid collecting structure is rotationally arranged so as to drive the storage container placed thereon to pour. The plurality of placing grooves are arranged to place different storage containers, thereby solving the problem that the sample preparation table for chromatographic analysis of insulating oil is inconvenient to use in the prior art.

Description

Technical Field

[0001] This invention relates to the field of insulating oil testing technology, and more specifically, to a preparation workbench. Background Technology

[0002] Insulating oil, also known as insulating liquid or insulating medium oil, is a special lubricating oil used in power equipment and transformers to achieve insulation. It is mainly used to prevent short circuits between different parts of the equipment, thereby ensuring the normal operation of the equipment. The use of chromatographic analysis for insulating oil is an important means of judging the health status and faults of transformers. Before conducting the test, the sample needs to be prepared, which requires the use of a sample preparation station.

[0003] In the use of existing sample preparation tables, tools and accessories are often just placed randomly on the experimental table. This not only appears messy and disorganized, but also affects work efficiency and may even cause sample confusion, leading to incorrect test results. Summary of the Invention

[0004] The main objective of this invention is to provide a preparation workbench to solve the problem that the sample preparation workbench used in the prior art for chromatographic analysis of insulating oil is inconvenient to use.

[0005] To achieve the above objectives, the present invention provides a preparation workbench, comprising: an operation board; an extension board, one end of which is rotatably connected to one end of the operation board, such that the extension board has an upright state and a horizontal state; when the extension board is in the upright state, the angle between the extension board and the operation board is 90° to limit the boundary of the operation board; when the extension board is in the horizontal state, the angle between the extension board and the operation board is 180° to extend the operating area of ​​the operation board; a waste liquid collection structure disposed on the operation board, at least a portion of which is rotatably disposed to tilt a storage container placed thereon; and a sorting structure disposed on the operation board, the sorting structure having multiple placement slots for placing different storage containers.

[0006] Furthermore, there are multiple extension plates, including a first extension plate and a second extension plate arranged sequentially along the circumference of the operating plate. The preparation workbench also includes: a first connector, disposed at one end of the second extension plate near the first extension plate; and a first mating component, disposed at one end of the first extension plate near the second extension plate. When the first connector and the first mating component are connected, the first and second extension plates are in an upright state. When the first connector and the first mating component are not connected, the first extension plate is opened to a horizontal state.

[0007] Furthermore, the preparation workbench also includes: a first connector being a slot; a first mating member being a pin; and / or the preparation workbench also includes a first operating member, which is connected to the first mating member to drive the first mating member to move; and / or the preparation workbench also includes a first support portion, which is disposed on the outer side of the operating plate near the first extension plate to support the first extension plate when the first extension plate is in a horizontal state.

[0008] Furthermore, the waste liquid collection structure includes: a placement component for placing a storage container; the placement component is rotatably configured and has a liquid outlet so that the storage container placed on it can be tilted by rotating the placement component, so that the test liquid in the storage container can flow out through the liquid outlet; and a collection component disposed below the placement component, the collection component having a collection chamber so that the test liquid flowing out from the liquid outlet can flow into the collection chamber.

[0009] Furthermore, the waste liquid collection structure also includes: a first rotating shaft connected to the placement component, the first rotating shaft being rotatably arranged around its own axis so that the placement component can rotate around the axis of the first rotating shaft; a sliding block connected to the end of the placement component away from the first rotating shaft, the sliding block being movably arranged in a direction close to or away from the first rotating shaft; and a sliding groove disposed on the operation plate, the sliding groove extending vertically, the end of the sliding block away from the placement component being movably disposed in the sliding groove so that the placement component can be rotated around the first rotating shaft by moving the sliding block.

[0010] Furthermore, the waste liquid collection structure also includes: a filter component, detachably disposed between the placement component and the collection component, for filtering the test liquid flowing out of the storage container; and / or a limiting component, disposed on the placement component, for limiting the storage container placed on the placement component when the placement component rotates; and / or a drain pipe and a guide component, the guide component being disposed between the placement component and the collection component, the guide component having a guide port, the end of the guide component away from the guide port being higher than the end near the guide port, so that the test liquid falling into the guide component flows to the guide port; the two ends of the drain pipe are respectively connected to the guide port and the collection chamber to transport the test liquid to the collection component; a drain valve is provided on the drain pipe to control the opening and closing of the drain pipe.

[0011] Furthermore, the classification structure includes: multiple label boxes for placing labels, with each label box corresponding to a different placement slot to classify and label the storage containers placed in the placement slots; wherein, the classification structure can be movably configured.

[0012] Furthermore, the preparation workbench also includes: a waste storage structure disposed below the operation panel, the waste storage structure having a waste storage cavity for storing solid waste, the waste storage structure being movably configured to have an open position and a closed position, such that when the waste storage structure is in the open position, the waste inlet of the waste storage structure faces the external environment; and when the waste storage structure is in the closed position, the waste inlet faces the operation panel.

[0013] Furthermore, the waste storage structure includes: a waste storage component having a waste storage chamber and a waste inlet that are interconnected; a second rotating shaft connected to the waste storage component, the second rotating shaft being rotatably arranged around its own axis so that the waste storage component can rotate around the axis of the second rotating shaft; and a stepping component connected to the end of the waste storage component away from the waste inlet, so as to drive the waste storage component to rotate by driving the stepping component.

[0014] Furthermore, the preparation workbench also includes: a storage component, removably disposed below the operating panel, the storage component having multiple storage slots for storing cleaned storage containers; when the storage component is disposed below the operating panel, the operating panel covers the storage slots; and / or multiple hanging components, the multiple hanging components being spaced apart, each hanging component having a hook for hanging items.

[0015] Applying the technical solution of this invention, the present invention provides a preparation workbench, which includes an operation board, an extension board, a waste liquid collection structure, and a sorting structure. One end of the extension board is rotatably connected to one end of the operation board; the waste liquid collection structure is disposed on the operation board, and at least a portion of the waste liquid collection structure is rotatably disposed; the sorting structure is disposed on the operation board and has multiple placement slots. By rotatably arranging the extension plate to allow it to have both vertical and horizontal states, the angle between the extension plate and the operating plate is 90° when the extension plate is vertical, thus limiting the boundary of the operating plate; when the extension plate is horizontal, the angle between the extension plate and the operating plate is 180°, thus extending the operating area of ​​the operating plate; by rotatably arranging at least part of the waste liquid collection structure to tilt the storage container placed on it; by setting multiple placement slots for placing different storage containers, the insulating oil after chromatographic analysis is poured into the waste liquid collection structure for collection and treatment, and other tools and accessories are placed on the classification structure, so that the preparation workbench is neat and orderly, easy to access and operate, and avoids errors in experimental results due to sample confusion during the operation process, thereby solving the problem of the inconvenience of using the sample preparation table for chromatographic analysis of insulating oil in the prior art. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0017] Figure 1 A schematic diagram of the overall structure of an embodiment of the preparation workbench according to the present invention is shown;

[0018] Figure 2 A schematic diagram of the internal structure of an embodiment of the preparation workbench according to the present invention is shown;

[0019] Figure 3 An exploded view of the waste liquid collection structure of the preparation workbench according to the present invention is shown;

[0020] Figure 4 A schematic diagram of the flow guide component of the waste liquid collection structure of the preparation workbench according to the present invention is shown;

[0021] Figure 5 A schematic diagram of the classification structure of the preparation workbench according to the present invention is shown;

[0022] Figure 6 A schematic diagram of the structure of the preparation workbench according to the present invention is shown when the extension plate is in the upright state.

[0023] Figure 7 A schematic diagram of the storage component of the preparation workbench according to the present invention is shown when it is pulled out;

[0024] Figure 8 A schematic diagram of the waste storage structure of the preparation workbench according to the present invention is shown.

[0025] The above figures include the following reference numerals:

[0026] 1. Control panel; 2. Extension plate; 21. First extension plate; 22. Second extension plate; 23. Third extension plate; 3. Waste liquid collection structure; 31. Placement component; 32. Collection component; 33. First rotating shaft; 34. Sliding block; 35. Sliding groove; 36. Filter component; 361. Mounting component; 37. Limiting component; 38. Drain pipe; 381. Drain valve; 39. Flow guiding component; 391. Flow guide port; 4. Classification structure ; 41. Placement slot; 42. Label frame; 51. First connector; 52. First mating part; 53. First elastic part; 54. First operating part; 55. First support part; 6. Waste storage structure; 61. Waste inlet; 62. Waste storage component; 63. Second rotating shaft; 64. Stepping component; 65. Telescopic component; 66. Third elastic part; 67. Stop component; 7. Storage component; 71. Storage slot; 8. Hanging component. Detailed Implementation

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0028] Please refer to Figures 1 to 8 This invention provides a preparation workbench, which includes an operation board 1, an extension board 2, a waste liquid collection structure 3, and a sorting structure 4. One end of the extension board 2 is rotatably connected to one end of the operation board 1, so that the extension board 2 has an upright state and a horizontal state. When the extension board 2 is in the upright state, the angle between the extension board 2 and the operation board 1 is 90° to limit the boundary of the operation board 1. When the extension board 2 is in the horizontal state, the angle between the extension board 2 and the operation board 1 is 180° to extend the operating area of ​​the operation board 1. The waste liquid collection structure 3 is disposed on the operation board 1, and at least a portion of the waste liquid collection structure 3 is rotatably disposed to tilt the storage container placed on it. The sorting structure 4 is disposed on the operation board 1 and has multiple placement slots 41 for placing different storage containers.

[0029] This invention provides a preparation workbench, comprising an operation board 1, an extension plate 2, a waste liquid collection structure 3, and a sorting structure 4. The extension plate 2 is rotatably configured to have both an upright and a horizontal state. When the extension plate 2 is upright, the angle between it and the operation board 1 is 90° to limit the boundary of the operation board 1. When the extension plate 2 is horizontal, the angle between it and the operation board 1 is 180° to extend the operating area of ​​the operation board 1. At least a portion of the waste liquid collection structure 3 is rotatably configured to tilt the storage containers placed on it. Multiple placement slots 41 are provided for placing different storage containers, allowing the insulating oil after chromatographic analysis to be poured into the waste liquid collection structure 3 for collection. Other tools and accessories are then placed on the sorting structure 4, making the preparation workbench neat and orderly, facilitating access and operation, and preventing errors in experimental results due to sample confusion during handling. This solves the problem of inconvenient use of sample preparation tables for chromatographic analysis of insulating oil in the prior art.

[0030] Specifically, such as Figure 6As shown, in order to rotatably set the extension plate 2, there are multiple extension plates 2. The multiple extension plates 2 include a first extension plate 21 and a second extension plate 22 arranged sequentially along the circumference of the operating plate 1. The preparation workbench also includes a first connector 51 and a first mating member 52. The first connector 51 is located at the end of the second extension plate 22 near the first extension plate 21; the first mating member 52 is located at the end of the first extension plate 21 near the second extension plate 22. When the first connector 51 and the first mating member 52 are connected, the first extension plate 21 and the second extension plate 22 are in an upright state; when the first connector 51 and the first mating member 52 are not connected, the first extension plate 21 is opened to a horizontal state.

[0031] In this embodiment, there are multiple extension plates 2. The multiple extension plates 2 include a first extension plate 21, a second extension plate 22, and a third extension plate 23 arranged sequentially along the circumference of the operating plate 1. The preparation workbench also includes a first plug-in member 51, a first mating member 52, and a first elastic member 53. The first plug-in member 51 is disposed at one end of the second extension plate 22 near the first extension plate 21. The first mating member 52 is retractably disposed at one end of the first extension plate 21 near the second extension plate 22. The two ends of the first elastic member 53 are respectively connected to the first mating member 52 and the first extension plate 21, so that when the first mating member 52 extends out to be inserted into the first plug-in member 51, the first extension plate 21 and the second extension plate 22 are in an upright state, and when the first mating member 52 is not inserted into the first plug-in member 51, the first extension plate 21 is opened to a horizontal state.

[0032] Similarly, the preparation workbench also includes a second connector, a second mating member, and a second elastic member. The second connector is located at one end of the second extension plate 22 near the third extension plate 23. The second mating member is retractably located at one end of the third extension plate 23 near the second extension plate 22. The two ends of the second elastic member are respectively connected to the second mating member and the third extension plate 23, so that when the second mating member extends into the second connector, the third extension plate 23 and the second extension plate 22 are in an upright state, and when the second mating member is not inserted into the second connector, the third extension plate 23 is opened to a horizontal state. Specifically, when the first mating member 52 is not inserted into the first connector 51 and the second mating member is not inserted into the second connector, the second extension plate 22 is opened to a horizontal state.

[0033] Optionally, the first connector 51 is a slot; the first mating member is a pin; or the first connector 51 is a pin; the first mating member is a slot. Similarly, the second connector is a slot; the second mating member is a pin; or the first connector is a pin; the first mating member is a slot.

[0034] Furthermore, for ease of operation, the preparation workbench also includes a first operating member 54 and a second operating member. The first operating member 54 is connected to the first mating member 52 to drive the first mating member 52 to move; the second operating member is connected to the second mating member to drive the second mating member to move.

[0035] Optionally, to improve the stability of the extended plate 2 when it is in a horizontal state, the preparation workbench further includes a first support part 55, a second support part, and a third support part. The first support part 55 is disposed on the outer side of the operation plate 1 near the first extended plate 21 to support the first extended plate 21 when it is in a horizontal state. The second support part is disposed on the outer side of the operation plate 1 near the second extended plate 22 to support the second extended plate 22 when it is in a horizontal state. The third support part is disposed on the outer side of the operation plate 1 near the third extended plate 23 to support the third extended plate 23 when it is in a horizontal state.

[0036] Preferably, the first support part 55 is an operating handle, which supports the first extension plate 21 when the first extension plate 21 is in a horizontal state; and when the first extension plate 21 is in a vertical state, the first support part 55 is used as a push-pull handle.

[0037] Specifically, such as Figure 3 As shown, in order to facilitate the pouring out of the test liquid in the storage container, the waste liquid collection structure 3 includes a placement component 31 and a collection component 32. The placement component 31 is used to place the storage container. The placement component 31 is rotatably arranged and has a liquid outlet so that by rotating the placement component 31, the storage container placed on it can be tilted so that the test liquid in the storage container can flow out through the liquid outlet, avoiding the test liquid from dripping onto the operator's hands during the pouring process. The collection component 32 is arranged below the placement component 31 and has a collection chamber so that the test liquid flowing out of the liquid outlet can flow into the collection chamber.

[0038] Furthermore, in order to drive the placement component 31 to rotate, the waste liquid collection structure 3 also includes a first rotating shaft 33, a sliding block 34, and a sliding groove 35. The first rotating shaft 33 is connected to the placement component 31 and is rotatably arranged around its own axis so that the placement component 31 can rotate around the axis of the first rotating shaft 33. The sliding block 34 is connected to the end of the placement component 31 away from the first rotating shaft 33 and is movably arranged in a direction close to or away from the first rotating shaft 33. The sliding groove 35 is arranged on the operation plate 1 and extends vertically. The end of the sliding block 34 away from the placement component 31 is movably arranged in the sliding groove 35 so that the movement of the sliding block 34 can drive the placement component 31 to rotate around the first rotating shaft 33.

[0039] Optionally, such as Figure 4 As shown, to improve the waste liquid collection effect of the waste liquid collection structure 3, the waste liquid collection structure 3 also includes a filter component 36, a limiting component 37, a drain pipe 38, and a guide component 39. The filter component 36 is detachably disposed between the placement component 31 and the collection component 32 to filter the test liquid flowing out of the storage container; the limiting component 37 is disposed on the placement component 31 to limit the storage container placed on the placement component 31 when the placement component 31 rotates; the drain pipe 38 and the guide component 39 are also included. The component 39 is disposed between the placement component 31 and the collection component 32. The flow guide component 39 is provided with a flow guide port 391. The end of the flow guide component 39 away from the flow guide port 391 is higher than the end near the flow guide port 391, so that the test liquid falling into the flow guide component 39 flows to the flow guide port 391. The two ends of the drain pipe 38 are respectively connected to the flow guide port 391 and the collection chamber to transport the test liquid to the collection component 32. The drain pipe 38 is provided with a drain valve 381 to control the opening and closing of the drain pipe 38.

[0040] The filter element 36 is inserted into the flow guide element 39 via the mounting part 361, so that the filter element 36 can be removed, thereby facilitating the cleaning and washing of the filter residue on the filter element 36.

[0041] Preferably, the filter element 36 is a filter screen; the limiting element 37 is a limiting stop bar.

[0042] Specifically, such as Figure 5 As shown, in order to classify storage containers, sample tubes, and operating tools, the classification structure 4 includes multiple label boxes 42. The multiple label boxes 42 are used to place labels. The multiple label boxes 42 are set one-to-one with multiple placement slots 41 to classify and label the storage containers placed in the placement slots 41, so as to avoid the operator from confusing them during the process of taking them out and causing errors in the experimental results. The classification structure 4 is movable so that the position of the classification structure 4 can be moved to facilitate the taking out of the storage containers, sample tubes, and operating tools placed on it.

[0043] In addition, in order to collect and clean up solid waste during the operation, the preparation workbench also includes a waste storage structure 6, which is located below the operation panel 1. The waste storage structure 6 has a waste storage cavity for storing solid waste. The waste storage structure 6 is movably arranged so that it has an open position and a closed position. When the waste storage structure 6 is in the open position, the waste inlet 61 of the waste storage structure 6 faces the external environment; when the waste storage structure 6 is in the closed position, the waste inlet 61 faces the operation panel 1.

[0044] Furthermore, such as Figure 8As shown, in order to drive the garbage storage structure 6 to move, the garbage storage structure 6 includes a garbage storage component 62, a second rotating shaft 63, and a stepping component 64. The garbage storage component 62 has a garbage storage cavity and a garbage inlet 61 that are interconnected. The second rotating shaft 63 is connected to the garbage storage component 62 and is rotatably arranged around its own axis so that the garbage storage component 62 can rotate around the axis of the second rotating shaft 63. The stepping component 64 is connected to the end of the garbage storage component 62 away from the garbage inlet 61 so that the garbage storage component 62 can be driven to rotate by driving the stepping component 64.

[0045] Optionally, the waste storage structure 6 in this embodiment further includes a telescopic component 65, a third elastic element 66, and a stop 67. One end of the telescopic component 65 is rotatably connected to the waste storage component 62, and the other end of the telescopic component 65 is connected to the second rotating shaft 63 to perform transmission movement through the telescopic component 65. The third elastic element 66 is sleeved on the telescopic component 65, and both ends of the third elastic element 66 are respectively connected to the waste storage component 62 and the second rotating shaft 63, so that the waste storage component 62 rotates under the driving action of the pedal component 64, the telescopic component 65 extends, and the third elastic element 66 extends, so that the waste storage component 62 is in the open position. When the pedal component 64 stops driving, the waste storage component 62 is driven to rotate under the action of the rebound force of the third elastic element 66, and the telescopic component 65 retracts, so that the waste storage component 62 is in the closed position. The stop 67 is disposed on the waste storage component 62 to limit and stop the rotation angle of the waste storage component 62 when the waste storage component 62 moves to the open position.

[0046] Optionally, when the waste storage component 62 in this embodiment is in the closed position, the waste storage component 62 is vertically arranged; when the waste storage component 62 is in the open position, the rotation angle α of the waste storage component 62 relative to the vertical direction is in the range of 0°<α≤30°.

[0047] Generally, such as Figure 7 As shown, in order to improve the tidiness of the preparation workbench, the preparation workbench also includes a storage component 7 and multiple hanging components 8. The storage component 7 is removably installed below the operation panel 1. The storage component 7 has multiple storage slots 71 for storing cleaned storage containers. When the storage component 7 is installed below the operation panel 1, the operation panel 1 covers the storage slots 71. The multiple hanging components 8 are spaced apart, and each hanging component 8 has a hook for hanging items.

[0048] Optionally, storage component 7 is a storage drawer; hanging component 8 is a hook.

[0049] As can be seen from the above description, the embodiments of the present invention achieve the following technical effects:

[0050] The present invention provides a preparation workbench, which includes an operation board 1, an extension board 2, a waste liquid collection structure 3, and a sorting structure 4. One end of the extension board 2 is rotatably connected to one end of the operation board 1; the waste liquid collection structure 3 is disposed on the operation board 1, and at least a portion of the waste liquid collection structure 3 is rotatably disposed; the sorting structure 4 is disposed on the operation board 1 and has multiple placement slots 41. By rotatably setting the extension plate 2 to have both an upright and a horizontal state, when the extension plate 2 is in the upright state, the angle between the extension plate 2 and the operating plate 1 is 90° to limit the boundary of the operating plate 1; when the extension plate 2 is in the horizontal state, the angle between the extension plate 2 and the operating plate 1 is 180° to extend the operating area of ​​the operating plate 1; by rotatably setting at least a portion of the waste liquid collection structure 3 to tilt the storage container placed on it; by setting multiple placement slots 41 for placing different storage containers, the insulating oil after chromatographic analysis is poured into the waste liquid collection structure 3 for collection and treatment, and other tools and accessories are placed on the classification structure 4, so that the preparation workbench is neat and orderly, easy to access and operate, and avoids errors in experimental results due to sample confusion during the operation, thereby solving the problem that the sample preparation table for chromatographic analysis of insulating oil in the prior art is inconvenient to use.

[0051] The present invention increases the working area by pulling the first operating member 54 and the second operating member to drive the first mating member 52 and the second mating member to slide in the first plug member 51 and the second plug member respectively, so as to put the extension plate 2 in a horizontal state and place it on the first support part 55, the second support part and the third support part; by placing tools and accessories in the classification structure 4 and placing the classification structure 4 on the operating plate 1 to mark the items in the placement slot 41, the probability of sample confusion leading to incorrect test results is reduced.

[0052] This invention involves placing a container that has stored insulating oil on a placement component 31, with a limiting component 37 controlling the movement. This allows the insulating oil to flow through the outlet on the placement component 31 into a guiding component 39, where it is filtered by a filtering component 36. By opening the drain valve 381, the insulating oil in the guiding component 39 enters the drain pipe 38, and then flows into a collecting component 32 for collection. The oil is then removed by pulling the handle on the collecting component 32, thus achieving the effect of disposing of the insulating oil.

[0053] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A preparation workbench, characterized in that, include: Operation panel (1); An extension plate (2) is provided, one end of which is rotatably connected to one end of the operating plate (1) so that the extension plate (2) has a vertical state and a horizontal state. When the extension plate (2) is in the vertical state, the angle between the extension plate (2) and the operating plate (1) is 90° to limit the boundary of the operating plate (1). When the extension plate (2) is in the horizontal state, the angle between the extension plate (2) and the operating plate (1) is 180° to extend the operating area of ​​the operating plate (1). Waste liquid collection structure (3) is provided on the operation plate (1), and at least a portion of the waste liquid collection structure (3) is rotatably provided so as to cause the storage container placed thereon to tilt. A classification structure (4) is provided on the operation panel (1). The classification structure (4) has multiple placement slots (41) for placing different storage containers. The extension plate (2) is multiple, and the multiple extension plates (2) include a first extension plate (21) and a second extension plate (22) arranged sequentially along the circumference of the operation plate (1). The preparation workbench also includes: a first plug-in component (51) disposed at one end of the second extension plate (22) near the first extension plate (21); and a first mating component (52) disposed at one end of the first extension plate (21) near the second extension plate (22). When the first plug-in component (51) and the first mating component (52) are plugged in, the first extension plate (21) and the second extension plate (22) are in the vertical state; when the first plug-in component (51) and the first mating component (52) are not plugged in, the first extension plate (21) is opened to the horizontal state. The waste liquid collection structure (3) includes: A placement component (31) is provided for placing the storage container; the placement component (31) is rotatably configured and has a liquid outlet so that by rotating the placement component (31), the storage container placed thereon is tilted so that the test liquid in the storage container flows out through the liquid outlet; A collection component (32) is disposed below the placement component (31), the collection component (32) having a collection chamber to allow the test liquid flowing out of the outlet to flow into the collection chamber; The waste liquid collection structure (3) also includes: A first rotating shaft (33) is connected to the placement component (31). The first rotating shaft (33) is rotatably arranged around its own axis so that the placement component (31) can rotate around the axis of the first rotating shaft (33). A sliding block (34) is connected to one end of the placement component (31) away from the first rotating shaft (33), and the sliding block (34) is movably arranged in a direction close to or away from the first rotating shaft (33); A sliding groove (35) is provided on the operation plate (1). The sliding groove (35) extends in the vertical direction. The end of the sliding block (34) away from the placement component (31) is movably provided in the sliding groove (35) so that the placement component (31) can be rotated around the first rotating axis (33) by the movement of the sliding block (34).

2. The preparation workbench according to claim 1, characterized in that, The preparation workbench also includes: The first connector (51) is a slot; the first mating part (52) is a pin; and / or The preparation workbench further includes a first operating element (54), which is connected to the first mating element (52) to drive the first mating element (52) to move; and / or The preparation workbench also includes a first support (55), which is disposed on the outside of the operation plate (1) near the first extension plate (21) to support the first extension plate (21) when the first extension plate (21) is in the horizontal state.

3. The preparation workbench according to claim 1, characterized in that, The waste liquid collection structure (3) also includes: A filter element (36), detachably disposed between the placement element (31) and the collection element (32), is provided to filter the test liquid flowing out of the storage container; and / or A limiting member (37) is provided on the placement member (31) to limit the storage container placed on the placement member (31) when the placement member (31) rotates; and / or The drain pipe (38) and the guide component (39) are provided. The guide component (39) is disposed between the placement component (31) and the collection component (32). The guide component (39) is provided with a guide port (391). The end of the guide component (39) away from the guide port (391) is higher than the end close to the guide port (391) so that the test liquid falling into the guide component (39) flows to the guide port (391). The two ends of the drain pipe (38) are respectively connected to the guide port (391) and the collection chamber to transport the test liquid to the collection component (32). The drain pipe (38) is provided with a drain valve (381) to control the opening and closing of the drain pipe (38).

4. The preparation workbench according to claim 1, characterized in that, The classification structure (4) includes: Multiple label boxes (42) are used to place labels. The multiple label boxes (42) are set one-to-one with the multiple placement slots (41) to classify and label the storage containers placed in the placement slots (41). The classification structure (4) can be movably set.

5. The preparation workbench according to any one of claims 1 to 4, characterized in that, The preparation workbench also includes: A waste storage structure (6) is disposed below the operation panel (1). The waste storage structure (6) has a waste storage cavity for storing solid waste. The waste storage structure (6) is movably disposed such that it has an open position and a closed position. When the waste storage structure (6) is in the open position, the waste inlet (61) of the waste storage structure (6) faces the external environment. When the waste storage structure (6) is in the closed position, the waste inlet (61) faces the operation panel (1).

6. The preparation workbench according to claim 5, characterized in that, The waste storage structure (6) includes: The waste storage component (62) has the waste storage cavity and the waste inlet (61) in communication with each other. The second rotating shaft (63) is connected to the waste storage component (62). The second rotating shaft (63) is rotatably arranged around its own axis so that the waste storage component (62) can rotate around the axis of the second rotating shaft (63). A pedal component (64) is connected to the end of the waste storage component (62) away from the waste inlet (61) so as to drive the waste storage component (62) to rotate by driving the pedal component (64).

7. The preparation workbench according to any one of claims 1 to 4, characterized in that, The preparation workbench also includes: A storage component (7) is removably disposed below the operating panel (1), the storage component (7) having a plurality of storage slots (71) for storing cleaned storage containers; when the storage component (7) is disposed below the operating panel (1), the operating panel (1) covers the storage slots (71); and / or Multiple hanging components (8) are spaced apart, and each hanging component (8) has a hook for hanging items.

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