Dry biochemical analyzer and vertical transfer assembly

Abstract

The utility model discloses a kind of dry biochemical analyzers and vertical transfer components, comprising: sampling device, dry piece warehouse, exhibition board incubation warehouse, vertical transfer component, dry piece transfer mechanism, consumable storage area, three-axis mechanical arm, reference liquid sample adding arm and detection device, the vertical transfer component is provided with the first passageway that is lifted along vertical direction, the first passageway is used to flow between distribution site, sample adding site and push-in site, the distribution site is used to receive dry piece from dry piece warehouse, the sample adding site is close to the top position of exhibition board incubation warehouse, for sample adding, the push-in site is used to send dry piece into exhibition board incubation warehouse.The dry biochemical analyzer provided in the utility model, utilize vertical transfer component cooperation dry piece transfer mechanism, realize up and down transfer function, so that dry piece can be transferred between vertical transfer component and dry piece warehouse, and between vertical transfer component and exhibition board incubation warehouse, overall space layout is reasonable, it is favorable to the miniaturization of instrument.

Description

Technical Field

[0001] This utility model belongs to the field of biochemical analysis technology, specifically relating to a dry biochemical analyzer and a vertical transport component. Background Technology

[0002] A dry biochemical analyzer is an instrument that measures specific chemical components in body fluids using colorimetric and electrochemical methods. It is used for testing clinical biochemical indicators such as liver function, kidney function, blood lipids, diabetes, infection, and rheumatology. The instrument includes a dry sample area, an incubation area, and a detection device. For automated detection, an internal transport device moves the dry sample from the dry sample area to the incubation area. After incubation, the detection device performs the analysis.

[0003] However, in existing dry biochemical analyzers, there is a separate sample loading area between the dry sample area and the incubation area. When loading samples, the dry sample needs to be transferred to the sample loading area first. After the sample loading and reagent loading operations are performed in the sample loading area, the dry sample is then transferred to the incubation area for incubation. The dry sample area, the incubation area, and the sample loading area are arranged in a circular manner, and the above-mentioned areas are roughly set on the same plane, resulting in a large instrument size, which is not suitable for use by hospitals or testing institutions with high requirements for instrument size. Utility Model Content

[0004] This utility model discloses a dry biochemical analyzer and a vertical transport component to solve the problem of large size in the prior art.

[0005] A first aspect of this utility model provides a dry biochemical analyzer, comprising:

[0006] Sample introduction device, used to transfer sample holders carrying samples;

[0007] A dry tablet compartment for holding dry tablet boxes, which are used to stack dry tablets;

[0008] The display panel incubation chamber is stacked alternately with the dry slide chamber and is used to incubate the dry slides after sample addition;

[0009] A vertical transfer assembly is vertically installed in the overlapping area of ​​the dry tablet compartment and the display plate incubation compartment. The vertical transfer assembly is provided with a first channel that moves up and down in the vertical direction. The first channel is used to move between the dispensing position, the sample dispensing position and the pushing position. The dispensing position is used to receive dry tablets from the dry tablet compartment. The sample dispensing position is located near the top of the display plate incubation compartment and is used to dispense samples. The pushing position is used to send the dry tablets into the display plate incubation compartment.

[0010] The dry film transfer mechanism is used to transfer dry films between the dry film compartment, the vertical transfer assembly, and the display panel incubation compartment;

[0011] The consumables storage area, located above the display board incubation chamber, is used to store tip heads;

[0012] A three-axis robotic arm is used to pick up the tip of the consumable storage area, aspirate the sample, and load it onto the dry slide in the sample loading position;

[0013] The reference solution loading arm is used to load the reference solution onto the dry slide in the loading position;

[0014] The detection device is used to detect and collect data from the dried sheets in the display panel incubation chamber.

[0015] Optionally, the vertical transfer assembly includes a fixed plate on which the first channel moves up and down.

[0016] Optionally, the dry film transfer mechanism includes a dry film top assembly, a dry film transfer assembly, a dry film dispensing assembly, and a sample feeding and pushing assembly;

[0017] The dry film top assembly is located below the dry film compartment and is used to push the dry film box and the dry films inside it to abut against the dry film transfer assembly, so that the second channel on the top of the dry film box is embedded in the dry film transfer assembly to form a dry film distribution channel.

[0018] The dry film dispensing assembly is used to push the dry film from the dry film dispensing channel into the first channel in the dispensing position;

[0019] The sample feeding and pushing component is located on one side of the pushing position and is used to push the dry slice in the pushing position into the display plate incubation chamber.

[0020] Optionally, the dry film compartment is provided with an inner ring dry film compartment and an outer ring dry film compartment, which rotate independently.

[0021] Optionally, the dry film transfer assembly includes: a housing, a perforated guide plate disposed at the bottom of the housing, and two elastic pressure plate structures for sliding inside the housing; the two elastic pressure plate structures are respectively used to abut against the dry film boxes of the inner ring dry film compartment and the outer ring dry film compartment, and the elastic pressure plate structure is provided with a third channel, the third channel having an initial position flush with the perforated guide plate and an avoidance position formed when the dry film box is squeezed upward, when in the avoidance position, the top of the dry film box is embedded in the perforated guide plate, so that the second channel at the top of the dry film box is flush with the perforated guide plate to form the dry film distribution channel.

[0022] Optionally, the display panel incubation chamber is provided with an upper display panel incubation tray and a lower display panel incubation tray that rotate coaxially.

[0023] The insertion position includes an upper insertion position and a lower insertion position. The upper insertion position is used to push the dry sheet into the upper display plate incubation tray, and the lower insertion position is used to push the dry sheet into the lower display plate incubation tray.

[0024] A second aspect of this invention provides a vertical transfer component for use in a dry biochemical analyzer. The dry biochemical analyzer includes staggered dry slide compartments and display plate incubation compartments. The vertical transfer component is disposed in the overlapping area of ​​the dry slide compartments and the display plate incubation compartments. The vertical transfer component is provided with a first channel that moves vertically upwards and downwards. The first channel is used to move between a dispensing position, a sample dispensing position, and a pushing position. The dispensing position is used to receive dry slides from the dry slide compartments. The sample dispensing position is located near the top of the display plate incubation compartment and is used for sample dispensing. The pushing position is used to send the dry slides into the display plate incubation compartment.

[0025] Optionally, the vertical transfer assembly includes: a fixed plate, a dry sheet carrier component that moves vertically on the fixed plate, and a driving component for driving the dry sheet carrier component; the dry sheet carrier component is provided with the first channel.

[0026] Optionally, the driving component includes: a vertical transfer motor, a vertical transfer screw vertically mounted on the fixed plate, a drive wheel mounted at the output end of the vertical transfer motor, a driven wheel mounted on the vertical transfer screw, a belt wound around the drive wheel and the driven wheel, and a screw nut sleeved on the vertical transfer screw. The screw nut is used to move up and down in the vertical direction under the drive of the vertical transfer screw.

[0027] Optionally, the dry sheet carrying component includes: a sliding part sleeved on the vertical transfer screw and fixed to the screw nut; an elastic upper support structure for elastic sliding inside the sliding part; and a pressure cap structure fixed on the sliding part, wherein the pressure cap structure and the elastic upper support structure form the first channel; the elastic upper support structure has a first position protruding from the surface of the sliding part and a second position formed when the dry sheet is pushed into the first channel.

[0028] Optionally, the fixed plate is provided with a vertical guide rail and a sliding block that slides on the vertical guide rail, and the protrusion on the side of the sliding part is fixedly connected to the sliding block.

[0029] Optionally, the sliding part is provided with a support part and a through hole through the sliding part, the through hole is provided with a stepped part, and a limit stud is provided near the bottom of the support part of the through hole;

[0030] The elastic top structure includes: a second bearing, a sliding shaft, a dry plate seat fixed to the top of the sliding shaft, and an elastic part disposed between the bottom of the support portion and the dry plate seat. The second bearing is fixedly disposed between the stepped portion and the limiting stud. The elastic part is used to provide elastic force for the sliding shaft to slide on the second bearing.

[0031] As can be seen from the above technical solutions, this utility model provides a dry biochemical analyzer and a vertical transport component, including: a sample injection device, a dry tablet compartment, a display plate incubation chamber, a vertical transport component, a dry tablet transfer mechanism, a consumable storage area, a three-axis robotic arm, a reference solution loading arm, and a detection device. The vertical transport component is provided with a first channel that moves vertically upwards and downwards. The first channel is used for circulation between a dispensing position, a sample loading position, and a pushing position. The dispensing position is used to receive dry tablets from the dry tablet compartment. The sample loading position is located near the top of the display plate incubation chamber and is used for sample loading. The pushing position is used to deliver the dry tablets into the display plate incubation chamber. In the dry biochemical analyzer provided by this utility model, the vertical transport component, in conjunction with the dry tablet transfer mechanism, realizes the vertical transport function, enabling the dry tablets to be transported between the vertical transport component and the dry tablet compartment, and between the vertical transport component and the display plate incubation chamber. The overall spatial layout is reasonable and conducive to the miniaturization of the instrument. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the main structure of a dry biochemical analyzer provided in this embodiment;

[0033] Figure 2 This is a partial top view structural diagram of a dry biochemical analyzer provided in this embodiment;

[0034] Figure 3 This is a simplified partial structural diagram of a dry biochemical analyzer provided in this embodiment;

[0035] Figure 4 This is a schematic diagram of the structure of the dry film cassette provided in this embodiment;

[0036] Figure 5 This is a schematic diagram of the structure of the dry-sheet top-mounted assembly provided in this embodiment;

[0037] Figure 6 This is a schematic diagram of the disassembled structure of the dry-sheet top assembly provided in this embodiment;

[0038] Figure 7 This is a schematic diagram of the disassembled structure of the sliding mechanism provided in this embodiment;

[0039] Figure 8 This is a schematic diagram of the disassembled structure of the dry film transfer assembly provided in this embodiment;

[0040] Figure 9This is a schematic diagram of the dry chip distribution assembly provided in this embodiment;

[0041] Figure 10 This is a schematic diagram of the vertical transfer assembly provided in this embodiment;

[0042] Figure 11 This is a schematic diagram of the sliding part provided in this embodiment;

[0043] Figure 12 This is a cross-sectional view of the sliding part provided in this embodiment;

[0044] Figure 13 This is a schematic diagram of the structure of the first channel provided in this embodiment;

[0045] Figure 14 This is a bottom view of the pressure cap structure provided in this embodiment.

[0046] Figure reference numerals: 1-Sample introduction device; 2-Dry tablet compartment; 3-Incubation compartment for display plates; 4-Vertical transfer assembly; 5-Dry tablet transfer mechanism; 6-Consumable storage area; 7-Triaxial robotic arm; 8-Reference solution dispensing arm; 10-Dry tablet box; 51-Dry tablet top assembly; 52-Dry tablet transfer assembly; 53-Dry tablet dispensing assembly; 54-Sample dispensing and pushing assembly; 103-Support component; 101-First opening; 102-Second opening; 511-Top assembly Block; 512-Base; 513-Top drive mechanism; 514-Sliding mechanism; 515-Limiting component; 5121-Motor guide rail; 5122-Motor slider; 5131-Motor mounting base; 5132-Drive motor; 5133-Drive gear; 5134-Reversing gear; 5141-Guide rail slider; 5142-Linear guide rail; 5143-Rack push plate; 521-Cover; 522-Hollow guide plate; 523 - Elastic pressure plate structure; 5230- Third channel; 5231- Guide shaft; 5232- First bearing; 5233- Top cover; 5234- Base plate; 5235- Elastic element; 531- Distribution blade; 532- Blade drive mechanism; 41- Fixing plate; 42- Dry plate bearing component; 43- Drive component; 431- Vertical transfer motor; 432- Vertical transfer screw; 433- Driving wheel; 434- Driven wheel; 435 - Belt; 436 - Screw nut; 411 - Vertical guide rail; 412 - Sliding block; 420 - First channel; 421 - Sliding part; 422 - Elastic top structure; 423 - Pressure cap structure; 4211 - Protrusion; 4212 - Support part; 4213 - Through hole; 4214 - Stepped part; 4215 - Limiting stud; 4221 - Second bearing; 4222 - Sliding shaft; 4223 - Dry plate seat; 4224 - Elastic part. Detailed Implementation

[0047] The technical solutions in the embodiments of this utility model are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0048] Reference Figure 1 The schematic diagram shown illustrates a dry biochemical analyzer provided in this embodiment, comprising: a sample introduction device 1 for transporting a sample rack carrying samples; a dry slide compartment 2 for holding dry slide boxes, the dry slide boxes being used to stack dry slides; a display plate incubation compartment 3, stacked alternately with the dry slide compartment 2, for incubating the dry slides after sample addition; and a vertical transfer assembly 4, vertically disposed in the overlapping area of ​​the dry slide compartment 2 and the display plate incubation compartment 3, the vertical transfer assembly 4 having a first channel for vertical movement, the first channel being used for flow between a dispensing position, a sample addition position, and a pushing position, the dispensing position being used to receive dry slides from the dry slide compartment. The system comprises: a sample loading position near the top of the display panel incubation chamber for adding samples; a push-in position for feeding dry samples into the display panel incubation chamber; a dry sample transfer mechanism 5 for transferring dry samples between the dry sample compartment 2, the vertical transfer assembly 4, and the display panel incubation chamber 3; a consumable storage area 6, located above the display panel incubation chamber 3, for storing tip heads; a three-axis robotic arm 7 for picking up tip heads from the consumable storage area, aspirating samples, and loading them onto the dry samples at the sample loading position; a reference solution loading arm 8 for loading reference solution onto the dry samples at the sample loading position; and a detection device for detecting and collecting data from the dry samples in the display panel incubation chamber.

[0049] This embodiment also includes a control device, which is electrically connected to the above-mentioned devices and is used to control the operation of the above-mentioned devices.

[0050] In this embodiment, the sample injection device 1 is equipped with a cap opening mechanism. The sample holder carries multiple sample tubes and passes under the cap opening mechanism in sequence. The cap opening mechanism is used to open the caps of the sample tubes so as to perform sample aspiration.

[0051] The dry tablet compartment 2 is used to hold multiple dry tablet boxes, each of which can hold 60 dry tablets. To improve the capacity of the dry tablet compartment 2, it is equipped with a coaxial double-ring dry tablet compartment, namely an inner ring dry tablet compartment and an outer ring dry tablet compartment, which can rotate independently.

[0052] The display plate incubation chamber 3 is used to incubate dried slides with added samples and / or reference solutions. The display plate incubation chamber 3 has multiple incubation positions, each for holding one dried slide. To improve the capacity of the display plate incubation chamber 3, coaxial upper and lower display plate incubation trays are arranged inside, with both trays having equal diameters and capable of independent rotation. In this embodiment, each layer of display plate incubation trays has a maximum of 36 incubation positions.

[0053] This application involves staggered stacking of the dry film storage chamber 2 and the display board incubation chamber 3, with a vertical transfer assembly 4 installed in the overlapping area. From a top-down perspective, refer to... Figure 2 The structural diagram shown indicates that the vertical transfer component 4 is located inside the display panel incubation chamber 3 and simultaneously inside the dry tablet chamber 2. The vertical transfer component 4, in conjunction with the dry tablet transfer mechanism 5, enables vertical transfer, allowing the dry tablets to be transferred between the vertical transfer component 4 and the dry tablet chamber 2, as well as between the vertical transfer component 4 and the display panel incubation chamber 3.

[0054] The three-axis robotic arm 7 includes an X-axis motion component, a Y-axis motion component, a Z-axis motion component, and a sampling component. The sampling component is disposed on the Z-axis motion component, the Z-axis motion component is disposed on the Y-axis motion component, and the Y-axis motion component is disposed on the X-axis motion component. The sampling component is used to pick up the tip head of the consumable storage area, absorb the sample, and load it onto the dry sheet in the sample loading position.

[0055] This application employs electrolysis and reflection methods for detecting dried slides. Since the required dried slides differ slightly between the two methods, a potentiometer module is positioned above the upper display tray to incubate the slides needed for the electrolysis method. A reflection optical path module is positioned below the lower display tray to incubate the slides needed for the reflection method. Before detection, the detection method is pre-set, and the corresponding dried slide is transferred to the appropriate display tray.

[0056] When using the electrolysis method, the sample and reference solution need to be added separately to the dried slide; when using the reflection method, only the sample needs to be added to the dried slide. A three-axis robotic arm 7 and a reference solution dispensing arm 8 are set in the area above the dried slide compartment 2 and the display plate incubation compartment 3 to realize automatic sample and reference solution dispensing. The overall spatial layout is reasonable and conducive to the miniaturization of the instrument.

[0057] Reference Figure 3The simplified structural diagram shown illustrates that in the dry biochemical analyzer provided in this embodiment, the vertical transport component 4 is located in the overlapping area of ​​the dry slide compartment 2 and the display plate incubation compartment 3. It has a first vertical channel 420 capable of moving up and down, which can flow between the distribution position A01, the sample application position A02, and the push-in position A03. The distribution position A01 receives dry slides from the dry slide compartment, the sample application position A02 performs sample application and / or reference solution application, and the push-in position A03 delivers the dry slides into the display plate incubation compartment. In one possible implementation, the push-in position A03 is located between the distribution position A01 and the sample application position A02, with the sample application position A02 positioned near the top of the display plate incubation compartment 3.

[0058] Reference Figure 3 The simplified structural diagram shown illustrates that, to achieve dry tablet transfer, the dry tablet transfer mechanism 5 in this embodiment includes a dry tablet lifting assembly 51, a dry tablet transfer assembly 52, a dry tablet distribution assembly 53, and a sample feeding and pushing assembly 54. The dry tablet lifting assembly 51 is located below the dry tablet compartment and is used to lift the dry tablet box and the dry tablets inside it until they abut against the dry tablet transfer assembly 52, so that the second channel at the top of the dry tablet box is embedded in the dry tablet transfer assembly 52 to form a dry tablet distribution channel. The dry tablet distribution assembly 53 is used to push the dry tablets from the dry tablet distribution channel into the first channel at the distribution position. The sample feeding and pushing assembly 54 is located on one side of the pushing position and is used to push the dry tablets at the pushing position into the display plate incubation chamber.

[0059] In this embodiment, the dry film box is a rectangular box with an open bottom, as shown in the reference. Figure 4 The schematic diagram shows that the inner side of the dry tablet container 10 has multiple slots, and a support member 103 for supporting the dry tablets is provided inside. The two side springs of the support member 103 cooperate with the slots on the inner side, allowing the support member 103 to move upwards layer by layer under external force. The bottom of the dry tablet container 10 has a first opening 101, allowing the dry tablet top-lifting assembly to extend upwards from the first opening 101 to abut against the support member. The top of the dry tablet container 10 has ears protruding from its body on both sides, used for hanging inside the dry tablet compartment. A flat second opening 102 is provided at the ear position. After the dry tablet container and its carried dry tablets are pushed out by the dry tablet top-lifting assembly, the position of the uppermost layer of dry tablets inside the dry tablet container is flush with the second opening 102, forming a second channel.

[0060] Taking the transfer of dry films from the inner ring dry film warehouse as an example, the workflow of dry film transfer is explained as follows:

[0061] S1, control the dry film top assembly 51 to push out the dry film box of the inner ring dry film compartment until the dry film box is embedded in the dry film transfer assembly 52, forming a dry film distribution channel.

[0062] S2, control the blades of the dry sheet distribution assembly 53 to slide in the direction of the dry sheet distribution channel until the dry sheet is pushed to the first channel 420 at the distribution position A01.

[0063] S3, control the first channel 420 of the vertical transfer component 4 to rise vertically to the sample application position A02, and perform sample application and / or reference liquid application at the sample application position A02.

[0064] S4, After the sample addition operation is completed, control the first channel 420 of the vertical transfer component 4 to descend vertically to the push-in position A03;

[0065] S5, control the blades of the sample feeding and pushing component 54 to slide towards the first channel 420 until the dry sheet located at the distribution position A03 is pushed into the display plate incubation chamber, and then perform incubation and detection operations.

[0066] The above-mentioned dry slide transfer process is based on a stacked miniaturized dry biochemical analyzer, which enables rapid transfer of dry slides in a small space and has a simple control process.

[0067] The following is a detailed description of the dry film transfer mechanism 5.

[0068] Reference Figure 5 The schematic diagram shows that the dry film top assembly 51 includes two top blocks 511 that move vertically. When rising, the top blocks 511 extend upward from the first opening at the bottom of the dry film box into the interior of the dry film box. Since the dry film box is suspended in the dry film compartment, the dry film box and its dry films can be lifted to the dry film transfer assembly 52 by the upward force of the top blocks 511.

[0069] The two upper blocks 511 can be driven to rise and fall by a single drive mechanism, or they can be driven to rise and fall alternately by the same drive mechanism; no restriction is imposed here.

[0070] To reduce the use of motors, this embodiment utilizes a single drive mechanism to drive two upper blocks 511 to rise and fall alternately. (Refer to...) Figure 5 The schematic diagram shows that the dry film ejection assembly 51 includes: a base 512, an upper push drive mechanism 513 disposed on the base 512, and two sliding mechanisms 514 that move up and down in opposite directions under the drive of the upper push drive mechanism 513. The two sliding mechanisms 514 are respectively used to eject the dry film boxes and dry films of the inner ring dry film compartment and the outer ring dry film compartment. The upper push block 511 is installed on the sliding mechanism 514. When rising, the upper push block 511 extends upward from the first opening 101 into the interior of the dry film box so as to push the dry film to the top of the dry film box.

[0071] Reference Figure 5 and Figure 6The schematic diagram shows that the upper drive mechanism 513 includes: a motor mounting base 5131 disposed on the base 512, a drive motor 5132 disposed on the motor mounting base 5131, a drive gear 5133 connected to the output end of the drive motor 5132, and two reversing gears 5134 meshing with the drive gear 5133. The two reversing gears 5134 respectively cooperate with the two sliding mechanisms 514 to drive the two sliding mechanisms 514 to rise and fall in opposite directions.

[0072] Reference Figure 7 The schematic diagram shows that the sliding mechanism 514 includes: a guide rail slider 5141 fixed on the base 512, a linear guide rail 5142 slidably connected to the guide rail slider 5141, and a rack push plate 5143 fixedly connected to the linear guide rail 5142. One end of the rack push plate 5143 is used to install the upper top block 511. The rack push plate 5143 meshes with the reversing gear 5134 and is used to follow the linear guide rail 5142 and move up and down along the guide rail slider 5141 under the drive of the reversing gear 5134.

[0073] In this embodiment, the two sliding mechanisms 514 slide in opposite directions. In one possible implementation, when one sliding mechanism rises to its highest position, the other sliding mechanism descends to its lowest position. This requires sufficient height space below the sliding mechanisms. To reduce the height, a limiting member 515 is provided at the top of the dry sheet ejection assembly. The sliding mechanism 514 rises and falls vertically. When the sliding mechanism 514 descends to the point of contacting the limiting member 515, the upper push drive mechanism 513 slides upward due to the reaction force. Furthermore, the base 512 is also provided with a motor guide rail 5121 and a motor slider 5122 slidably disposed on the motor guide rail 5121. The motor slider 5122 is used to mount the upper push drive mechanism 513, so that the upper push drive mechanism 513 can slide on the motor guide rail 5121 with the motor slider 5122.

[0074] Taking the descent of the left sliding mechanism and the ascent of the right sliding mechanism as an example, the working process of the dry film top assembly 51 provided in this embodiment is explained as follows: When the drive motor 5132 rotates clockwise, the drive gear 5133 rotates clockwise, and both the left and right reversing gears rotate counterclockwise. The rack of the left rack pusher is located on the right side. The left reversing gear drives the left rack pusher to descend, while the right rack pusher rises. When the left rack pusher descends to the point where the left connecting block abuts against the limiting member 515, the left rack pusher stops descending. As the drive motor 5132 continues to rotate clockwise, the drive motor 5132 rises under the reaction force, while simultaneously driving the right rack pusher to continue rising until the right top block contacts the support member 103 inside the dry film box, so that the groove of the top block engages with the sheet-like protrusion 1031 at the bottom of the support member 103. Continuing to rise will push out the dry film. By adopting the above method, on the one hand, the extension of the sliding mechanism in the height direction can be reduced, which facilitates the miniaturization of the instrument; on the other hand, the sliding mechanism can be raised quickly to push out the dry film.

[0075] Reference Figure 8 The schematic diagram shows that the dry film transfer assembly 52 includes: a cover 521, a perforated guide plate 522 disposed at the bottom of the cover 521, and two elastic pressure plate structures 523 for sliding inside the cover 521; the two elastic pressure plate structures 523 are respectively used to abut against the dry film boxes of the inner ring dry film compartment and the outer ring dry film compartment, and the elastic pressure plate structure 523 is provided with a third channel 5230. The third channel has an initial position flush with the perforated guide plate 522 and an avoidance position formed when the dry film box is squeezed upward. When in the avoidance position, the top of the dry film box is embedded in the perforated guide plate 522, so that the second channel at the top of the dry film box is flush with the perforated guide plate 522 to form the dry film distribution channel.

[0076] The elastic pressure plate structure 523 includes: a guide shaft 5231 fixed between the cover and the hollow guide plate; a first bearing 5232 slidably disposed on the guide shaft; an upper cover 5233 and a bottom plate 5234 sliding with the first bearing 5232; and an elastic element 5235 abutting between the top of the cover and the upper cover. A third channel 5230 is provided between the upper cover 5233 and the bottom plate 5234. In this embodiment, the elastic element 5235 can be a spring. The bottom plate 5234 includes a tray and mounting portions disposed on both sides of the tray. The third channel 5230 is formed between the tray and the upper cover. The tray is used to embed the hollow portion of the hollow guide plate in the initial position. The first bearing 5232 is a linear bearing. The upper cover 5233 and the bottom plate 5234 are fixedly connected by bolts, so the upper cover 5233 and the bottom plate 5234 can slide on the first bearing 5232.

[0077] In this embodiment, the dry film transfer assembly 52 is provided with two elastic pressure plate structures 523, namely a left elastic pressure plate structure and a right elastic pressure plate structure. When the left elastic pressure plate structure is squeezed upward by the dry film box to the avoidance position, the right elastic pressure plate structure is still in the initial position. At this time, the second channel at the top of the dry film box rises to a position flush with the third channel of the right elastic pressure plate structure and the hollow guide plate. The dry film distribution channel includes the third channel of the right elastic pressure plate structure and the second channel at the top of the left dry film box.

[0078] Reference Figure 9 The schematic diagram shows that the dry film distribution assembly 53 includes a distribution blade 531 and a blade drive mechanism 532 for driving the distribution blade to reciprocate. When the elastic pressure plate mechanism 523 is in the avoidance position, the second channel at the top of the dry film box is flush with the hollow guide plate to form a dry film distribution channel. The distribution blade extends into the dry film distribution channel to push out the dry film. In one possible implementation, if the left elastic pressure plate structure is pressed upward by the dry film box to the avoidance position, the dry film distribution channel includes the third channel of the right elastic pressure plate structure and the second channel at the top of the left dry film box. In this case, the distribution blade 531 first passes through the third channel of the right elastic pressure plate structure and then through the second channel at the top of the left dry film box, pushing the dry film in the second channel to the distribution position A01. In this embodiment, the blade drive mechanism 532 can be a conveyor belt drive or other drive mechanisms, which are not limited here.

[0079] The sample feeding and pushing assembly 54 is similar to the dry sheet dispensing assembly 53 in that it is equipped with pushing blades. The lengths of the pushing blades and the dispensing blades 531 are set according to the forming requirements, and their lengths can be the same or different. The pushing blades reciprocate in the horizontal direction under the drive of the blade driving mechanism in order to push the blades into the display plate incubation chamber.

[0080] In this embodiment, the display panel incubation chamber 3 is equipped with an upper display panel incubation tray 31 and a lower display panel incubation tray 32 that rotate coaxially. Correspondingly, the push-in position includes an upper push-in position and a lower push-in position. The upper push-in position is used to push the dried sheet into the upper display panel incubation tray, and the lower push-in position is used to push the dried sheet into the lower display panel incubation tray. In order to push the dried sheet into the display panel incubation tray at different push-in positions, the sample feeding push component 54 is configured to be height-adjustable. When it is necessary to push the dried sheet from the upper push-in position into the display panel incubation chamber, the sample feeding push component 54 moves to the position corresponding to the upper push-in position; when it is necessary to push the dried sheet from the lower push-in position into the display panel incubation chamber, the sample feeding push component 54 moves to the position corresponding to the lower push-in position.

[0081] Reference Figure 10The schematic diagram shown illustrates a vertical transfer assembly 4, which includes a fixed plate 41, a dry sheet carrier 42 that moves vertically on the fixed plate 41, and a driving component 43 for driving the dry sheet carrier 42. The dry sheet carrier 42 has a first channel 420 for storing or passing dry sheets, which moves with the dry sheet carrier 42 between the distribution position A01, the sample application position A02, and the push-in position A03.

[0082] In this embodiment, the driving component 43 includes a vertical transfer motor 431, a vertical transfer lead screw 432 vertically mounted on the fixed plate 41, a driving wheel 433 mounted at the output end of the vertical transfer motor 431, a driven wheel 434 mounted on the vertical transfer lead screw 432, a belt 435 wound around the driving wheel 433 and the driven wheel 434, and a lead screw nut 436 sleeved on the vertical transfer lead screw 432. The driving wheel 433 rotates under the drive of the vertical transfer motor 431, thereby driving the driven wheel 434 to rotate, which in turn causes the lead screw nut 436 to slide up and down along the vertical transfer lead screw 432.

[0083] The dry sheet support component 42 includes a sliding portion 421 sleeved on the vertical transfer screw 432, an elastic upper support structure 422 for elastic sliding inside the sliding portion 421, and a pressure cap structure 423 fixed on the sliding portion 421. The pressure cap structure 423 and the elastic upper support structure 422 form the first channel 420. The elastic upper support structure 422 has a first position protruding from the surface of the sliding portion 421. When the dry sheet is pushed in, the elastic upper support structure 422 is pressed down to a second position. At this time, the elastic upper support structure 422 can provide an upward elastic force to the dry sheet, so that the dry sheet is pressed tightly in the first channel.

[0084] To ensure smooth sliding of the sliding part 421, this embodiment provides a vertical guide rail 411 and a sliding block 412 that slides on the vertical guide rail 411 on the fixed plate 41. The sliding block 412 is fixedly connected to the sliding part 421. Specifically, the sliding part 421 includes an elongated main body and protrusions 4211 located on both sides of the main body and lower than the main body. One protrusion 4211 passes through the vertical transfer screw 432 and is fixedly connected to the screw nut 436. The screw nut 436 moves vertically under the drive of the vertical transfer screw 432, thereby driving the sliding part 421 to rise and fall along the direction of the vertical guide rail 411. The back of the protrusion 4211 is fixedly connected to the sliding block 412. Furthermore, the backs of the protrusions on both sides of the sliding part 421 are fixedly connected to the sliding block 412 to ensure smooth rising and falling of the sliding part 421.

[0085] Reference Figure 11 and Figure 12The schematic diagram shows that the sliding part 421 is provided with a support part 4212 and a through hole 4213 penetrating the sliding part 421. A stepped part 4214 is provided inside the through hole 4213, and a limit stud 4215 is provided at the bottom position of the through hole 4213 near the support part 4212. The elastic top structure 422 includes a second bearing 4221, a sliding shaft 4222, a dry sheet holder 4223 fixed to the top of the sliding shaft 4222, and an elastic part 4224 disposed between the bottom of the support portion 4212 and the dry sheet holder 4223. The second bearing 4221 is fixedly disposed between the stepped portion 4214 and the limiting stud 4215. The sliding shaft 4222 can slide relative to the second bearing 4221. Under the elastic support of the elastic part 4224 and the limiting action of the pressure cap structure 423, the dry sheet holder 4223 is held in a first position. When a dry sheet enters the first channel, the elastic part 4224 is compressed, and the dry sheet holder 4223 moves downward to a second position. In this embodiment, when the dry sheet holder 4223 is in the first position, its surface protrudes from the surface of the sliding part 421; when it is in the second position, the dry sheet fills the first channel 420, making the surface of the dry sheet holder 4223 flush with the surface of the sliding part 421.

[0086] The top of the main body of the sliding part 421 is provided with a support part 4212 in the shape of a tray. The support part 4212 is used to support the dry tablet holder 4223. In order to allow the dry tablet holder 4223 to slide up and down in the support part 4212, the support part 4212 has a certain height, and the bottom of the support part 4212 can limit the dry tablet holder 4223.

[0087] To prevent the elastic part 4224 from shifting when squeezed, this embodiment provides a groove on the bottom surface of the dry sheet holder 4223 and a protrusion on the contact surface at the bottom of the support part 4212. The elastic part 4224 can be a spring, with the bottom end of the spring sleeved on the protrusion and the top end placed in the groove to limit the spring.

[0088] To prevent damage when the dry film is pushed into the first channel, this embodiment sets both the upper and lower contact surfaces of the first channel into strip shapes, with the strips extending in the same direction as the direction in which the dry film is pushed in or out. Further, referring to... Figure 13 The schematic diagram shows that the edge portion of the surface of the dry tablet holder 4223 is slightly lower than the other portions, so that when the pressure cap structure 423 abuts against the edge portion of the dry tablet holder 4223, the other portions of the surface of the dry tablet holder 4223 can be slightly higher than the surface of the sliding portion 421.

[0089] In this embodiment, the width of the first channel is slightly larger than the width of the dry sheet, so that the dry sheet can be smoothly pushed into the first channel. However, the larger width makes it difficult to fix the position of the dry sheet in the first channel. Therefore, a spring sheet 4231 is provided on the side of the first channel, such as... Figure 14 As shown, during the process of the dry sheet entering the first channel, the dry sheet exerts pressure on the spring sheet 4231 along the width direction. Due to the interaction force, the dry sheet is also subjected to the compressive force from the spring sheet, thereby achieving limitation in the width direction. In this embodiment, the width direction of the first channel refers to the direction perpendicular to the direction in the horizontal plane where the dry sheet enters the first channel.

[0090] Since the vertical transfer component 4 is located in the overlapping area of ​​the dry tablet compartment and the display board incubation compartment, the vertical transfer component is located on both the inner side of the dry tablet compartment and the inner side of the display board incubation compartment. In this embodiment, the side of the fixing plate 41 closest to the display board incubation compartment is set as an arc surface, which fits against the inner side of the display board incubation compartment, making the dry tablet transfer smoother.

[0091] As can be seen from the above technical solutions, the vertical transfer component provided in this embodiment has a simple structure and ingenious design, and can realize the transfer of dry sheets at different heights, which is conducive to the miniaturization of the instrument.

[0092] The above are merely embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model shall be included within the scope of the claims of this utility model pending approval.

Claims

1. A dry biochemical analyzer, characterized in that, include: Sample introduction device, used to transfer sample holders carrying samples; A dry tablet compartment for holding dry tablet boxes, which are used to stack dry tablets; The display panel incubation chamber is stacked alternately with the dry slide chamber and is used to incubate the dry slides after sample addition; A vertical transfer assembly is vertically installed in the overlapping area of ​​the dry tablet compartment and the display plate incubation compartment. The vertical transfer assembly is provided with a first channel that moves up and down in the vertical direction. The first channel is used to move between the dispensing position, the sample dispensing position and the pushing position. The dispensing position is used to receive dry tablets from the dry tablet compartment. The sample dispensing position is located near the top of the display plate incubation compartment and is used to dispense samples. The pushing position is used to send the dry tablets into the display plate incubation compartment. The dry film transfer mechanism is used to transfer dry films between the dry film compartment, the vertical transfer assembly, and the display panel incubation compartment; The consumables storage area, located above the display board incubation chamber, is used to store tip heads; A three-axis robotic arm is used to pick up the tip of the consumable storage area, aspirate the sample, and load it onto the dry slide in the sample loading position; The reference solution loading arm is used to load the reference solution onto the dry slide in the loading position; The detection device is used to detect and collect data from the dried sheets in the display panel incubation chamber.

2. The dry biochemical analyzer according to claim 1, characterized in that, The vertical transfer assembly includes a fixed plate, on which the first channel moves up and down.

3. The dry biochemical analyzer according to claim 1, characterized in that, The dry film transfer mechanism includes a dry film top assembly, a dry film transfer assembly, a dry film dispensing assembly, and a sample feeding and pushing assembly; The dry film top assembly is located below the dry film compartment and is used to push the dry film box and the dry films inside it to abut against the dry film transfer assembly, so that the second channel on the top of the dry film box is embedded in the dry film transfer assembly to form a dry film distribution channel. The dry film dispensing assembly is used to push the dry film from the dry film dispensing channel into the first channel in the dispensing position; The sample feeding and pushing component is located on one side of the pushing position and is used to push the dry slice in the pushing position into the display plate incubation chamber.

4. A dry biochemical analyzer according to claim 3, characterized in that, The dry film compartment is equipped with an inner dry film compartment and an outer dry film compartment on the same axis, and the inner dry film compartment and the outer dry film compartment rotate independently.

5. A dry biochemical analyzer according to claim 4, characterized in that, The dry film transfer assembly includes: a housing, a perforated guide plate disposed at the bottom of the housing, and two elastic pressure plate structures for sliding inside the housing; the two elastic pressure plate structures are respectively used to abut against the dry film boxes of the inner ring dry film compartment and the outer ring dry film compartment, and the elastic pressure plate structure is provided with a third channel, the third channel having an initial position flush with the perforated guide plate and an avoidance position formed when the dry film box is squeezed upward, when in the avoidance position, the top of the dry film box is embedded in the perforated guide plate, so that the second channel at the top of the dry film box is flush with the perforated guide plate to form the dry film distribution channel.

6. A dry biochemical analyzer according to claim 1, characterized in that, The display panel incubation chamber is equipped with an upper display panel incubation tray and a lower display panel incubation tray that rotate coaxially. The insertion position includes an upper insertion position and a lower insertion position. The upper insertion position is used to push the dry sheet into the upper display plate incubation tray, and the lower insertion position is used to push the dry sheet into the lower display plate incubation tray.

7. A vertical transfer assembly, characterized in that, This invention relates to a dry biochemical analyzer, which includes staggered dry slide compartments and display plate incubation compartments. A vertical transfer assembly is located in the overlapping area of ​​the dry slide compartments and the display plate incubation compartments. The vertical transfer assembly has a first channel that moves vertically upwards and downwards. The first channel is used to move between a dispensing position, a sample loading position, and a pushing position. The dispensing position is used to receive dry slides from the dry slide compartments. The sample loading position is located near the top of the display plate incubation compartment and is used for sample loading. The pushing position is used to send the dry slides into the display plate incubation compartment.

8. A vertical transfer assembly according to claim 7, characterized in that, The vertical transfer assembly includes: a fixed plate, a dry sheet carrier component that moves vertically on the fixed plate, and a driving component for driving the dry sheet carrier component; the dry sheet carrier component is provided with the first channel.

9. A vertical transfer assembly according to claim 8, characterized in that, The driving component includes: a vertical transfer motor, a vertical transfer screw vertically mounted on the fixed plate, a drive wheel mounted at the output end of the vertical transfer motor, a driven wheel mounted on the vertical transfer screw, a belt wound around the drive wheel and the driven wheel, and a screw nut sleeved on the vertical transfer screw. The screw nut is used to move up and down in the vertical direction under the drive of the vertical transfer screw.

10. A vertical transfer assembly according to claim 9, characterized in that, The dry sheet carrying component includes: a sliding part sleeved on the vertical transfer screw and fixed to the screw nut; an elastic upper support structure for elastic sliding inside the sliding part; and a pressure cover structure fixed on the sliding part, wherein the pressure cover structure and the elastic upper support structure form the first channel; the elastic upper support structure has a first position protruding from the surface of the sliding part and a second position formed when the dry sheet is pushed into the first channel.

11. A vertical transfer assembly according to claim 10, characterized in that, The fixed plate is provided with a vertical guide rail and a sliding block that slides on the vertical guide rail, and the protrusion on the side of the sliding part is fixedly connected to the sliding block.

12. A vertical transfer assembly according to claim 10, characterized in that, The sliding part is provided with a support part and a through hole through the sliding part. The through hole has a stepped part inside and a limit stud is provided near the bottom of the support part. The elastic top structure includes: a second bearing, a sliding shaft, a dry plate seat fixed to the top of the sliding shaft, and an elastic part disposed between the bottom of the support portion and the dry plate seat. The second bearing is fixedly disposed between the stepped portion and the limiting stud. The elastic part is used to provide elastic force for the sliding shaft to slide on the second bearing.

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