Transfer mechanism, analyzer and optical detection method

Abstract

An embodiment of the present invention discloses a transfer mechanism, an analyzer, and an optical detection method, comprising a gripper assembly, a guide assembly, and a drive assembly for gripping a test cup, wherein the guide assembly is used to limit a running trajectory of the gripper assembly so that the gripper assembly can move in a vertical direction and transfer the test cup to a testing position; the drive assembly is used to drive the gripper assembly to move along the motion trajectory of the guide assembly, and the output end of the drive assembly is transmission-connected to the gripper assembly; a buffer assembly is provided on the gripper assembly, or a buffer assembly is connected between the gripper assembly and the drive assembly, so that when the test cup is placed in the testing position of the analyzer through the gripper assembly, the relative movement between the test cup and the drive assembly can cause the buffer assembly to deform.

Description

Technical Field

[0001] The present invention relates to the technical field of material preparation, and in particular to a transfer mechanism, an analyzer and an optical detection method. Background Art

[0002] Clinical biochemical analyzers require test cups for testing or experiments. To relieve doctors and nurses from the tedious manual labor, a transfer mechanism is often used to grab and transport the test cups. To reduce costs, these transfer mechanisms typically employ synchronous belt drives. However, this method lacks the required accuracy, especially in optical detection methods, where the distance between the center of the detection optical axis and the bottom of the test cup is very small. Therefore, precise control is required during the placement of the test cup. Summary of the Invention

[0003] The present invention provides a transfer mechanism, an analyzer, and an optical detection method, which can not only free doctors or nurses from heavy operations and automatically grasp and transport test cups; but also accurately transfer the test cups to the analyzer through a buffer component, and avoid risks between the test cups and the analyzer.

[0004] According to a first aspect of an embodiment of the present application, a transfer mechanism is provided for transferring a test cup on an analyzer, comprising:

[0005] A gripper assembly, used for grabbing the test cup;

[0006] a guide assembly, used to define a running track of the gripper assembly so that the gripper assembly can move in a vertical direction and transfer the test cup to a testing position;

[0007] A driving assembly, used for driving the gripper assembly to move along the motion trajectory of the guide assembly, wherein the output end of the driving assembly is in transmission connection with the gripper assembly;

[0008] A buffer assembly is provided on the gripper assembly, or a buffer assembly is connected between the gripper assembly and the drive assembly, so that when the test cup is placed in the test position of the analyzer through the gripper assembly, the relative movement between the test cup and the drive assembly can cause the buffer assembly to deform.

[0009] According to a second aspect of an embodiment of the present application, there is provided an analyzer, comprising:

[0010] a light source for irradiating a light beam toward the sample in the test cup;

[0011] an optical detector for receiving light emitted from the light beam after it strikes the sample;

[0012] After the driving assembly drives the test cup to the testing position, the driving assembly continues to drive the cup gripping assembly, so that the test cup can contact the testing position through the deformation of the buffer assembly;

[0013] After the test cup is moved to the testing position, the light source and the optical detector are activated to detect the sample in the test cup.

[0014] According to a third aspect of an embodiment of the present application, an optical detection method is provided. The optical detection method is implemented by an analyzer, the analyzer including a light source, an optical detector, a test position, and a transfer mechanism, wherein the transfer mechanism is provided with a drive assembly, a guide assembly, a gripper assembly, and a buffer assembly. The steps of the optical detection method include:

[0015] The gripper assembly grabs the test cup;

[0016] The driving assembly drives the gripper assembly to move in a vertical direction along the guide assembly to move the test cup to the testing position;

[0017] The driving assembly drives the test cup to move toward the testing position according to a preset number of steps and then continues to drive the cup gripping assembly, so that the test cup can reach the testing position through the deformation of the buffer assembly;

[0018] After the test cup is moved to the testing position, the light source and the optical detector are activated to detect the sample in the test cup.

[0019] According to a fourth aspect of an embodiment of the present application, an optical detection method is provided. The optical detection method is implemented by an analyzer, the analyzer including a light source, an optical detector, a test position, and a transfer mechanism. The transfer mechanism is provided with a drive assembly, a guide assembly, a gripper assembly, a buffer assembly, a first optical coupler, and a first optical coupler baffle. The first optical coupler and the first optical coupler baffle cooperate to identify the deformation of the buffer assembly. The steps of the optical detection method include:

[0020] The gripper assembly grabs the test cup;

[0021] The driving component drives the test cup to the test position according to the cooperation relationship between the first optical coupling baffle and the first optical coupler, so that the test cup can contact the test position through the deformation of the buffer component;

[0022] After the test cup is moved to the testing position, the light source and the optical detector are activated to detect the sample in the test cup.

[0023] The technical solution provided by the embodiments of the present application may include the following beneficial effects: The present application designs a transfer mechanism, an analyzer, and an optical detection method. Since a buffer component is provided on the gripper assembly, or a buffer component is connected between the gripper assembly and the drive assembly, the buffer component can be used to place the test cup on the analyzer. This not only avoids collisions between the test cups, but also allows the test cup to be accurately placed on the analyzer, freeing doctors or nurses from heavy operations. The structure is simple and the cost is low.

[0024] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 This is a structural diagram of a transfer mechanism provided in one embodiment of the present application;

[0027] Figure 2 yes Figure 1 A cross-sectional schematic diagram of the transfer mechanism in FIG.

[0028] Figure 3 yes Figure 1 An exploded schematic diagram of the transfer mechanism in FIG.

[0029] Figure 4 yes Figure 1 A schematic diagram of the structure of the fixing seat;

[0030] Figure 5 yes Figure 1 An exploded schematic diagram of the fixing seat in FIG.

[0031] Figure 6 yes Figure 1 A partially exploded schematic diagram of the drive assembly in FIG.

[0032] Figure 7 yes Figure 1 Exploded diagram of the adapter in FIG.

[0033] Figure 8 yes Figure 1 Exploded diagram of the buffer assembly in ;

[0034] Figure 9 yes Figure 1 Exploded diagram of the gripper assembly in FIG;

[0035] Figure 10 yes Figure 1 A schematic diagram of the structure of the support member;

[0036] Figure 11 yes Figure 1 Exploded diagram of the first optocoupler in FIG;

[0037] Figure 12 yes Figure 1 An exploded schematic diagram of the gripper in FIG.

[0038] Figure 13 yes Figure 1 Exploded diagram of the mounting parts in FIG;

[0039] Figure 14 yes Figure 1 A schematic structural diagram of the first clamping block in FIG.

[0040] Figure 15 This is a structural diagram of a test cup placed in a test position according to another embodiment of the present application;

[0041] Figure 16 yes Figure 15 Schematic diagram of the test cup and test position;

[0042] Figure 17 yes Figure 15 A cross-sectional diagram of the test cup and the test position;

[0043] Figure 18 yes Figure 15 A schematic diagram of the structure of the test bit in FIG;

[0044] Figure 19 yes Figure 15 Schematic diagram of the test bit in the decomposition;

[0045] Figure 20 yes Figure 15 Schematic diagram of the structure of the clasp;

[0046] Figure 21 yes Figure 15 Schematic diagram of part of the test position.

[0047] Description of reference numerals:

[0048] 100. Transferring agency;

[0049] 10. Drive assembly; 11. Drive motor; 12. Adapter; 121. First optical coupler baffle; 122. Adapter block; 123. Connecting block; 13. Belt; 14. Driving pulley; 15. Driven pulley;

[0050] 20. Gripper assembly; 21. Gripper member; 211. Mounting member; 2111. First hinged portion; 2112. Second hinged portion; 2113. Mounting member slot; 212. First clamping block; 2122. First mounting portion; 2121. First clamping block hinge hole; 2123. First clamping block slot; 2124. Chamfered structure; 213. Second clamping block; 214. Reset member; 22. Support member; 221. First optical coupler; 2211. First optical coupler fixing bracket; 2212. First optical coupler body; 2213. First optical coupler locking member; 222. Second optical coupler baffle; 223. First end of support member; 224. Second end of support member;

[0051] 30. Guide assembly; 31. Guide rail; 32. Guide slider;

[0052] 40. Buffer assembly; 41. Guide shaft; 411. Boss; 412. Screw hole; 42. Elastic member; 50. Fixing seat;

[0053] 51. Second optical coupler; 53. Rotating shaft hole; 52. Third optical coupler; 54. Rotating shaft portion;

[0054] 200, test position; 201, test cup groove; 201a, first stepped groove; 201b, second stepped groove; 2011, abutment; 2012, retaining ring; 202, light emitting channel; 203, light receiving channel;

[0055] 300. Try the cup. DETAILED DESCRIPTION

[0056] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0057] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0058] The following embodiments of the present invention are described in detail with reference to the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments may be combined with each other.

[0059] The transfer mechanism of this application belongs to the field of medical device technology and is used in sample analysis analyzers. Sample analysis analyzers may include one or more of a blood cell analyzer, a special protein analyzer, a glycated hemoglobin analyzer, and a blood type analyzer, but are not limited to the above-mentioned ones. Users can set them according to actual conditions. In the following embodiments, the transfer mechanism is mainly explained by taking a clinical biochemical analyzer as an example. For other medical equipment and various types of equipment used for sample collection other than medical equipment, this embodiment will not be repeated here.

[0060] Specifically, in clinical biochemical analyzers, the analyzer's detection and reaction system primarily includes a test station and a test cup containing a sample. The test station is provided with multiple test cup slots, with light emitting channels and light receiving channels positioned on the optical axes on either side of the test cup slots. This allows a light source to illuminate the sample on the test cup through the light emitting channels, and an optical detector to receive the light emitted by the sample through the light receiving channels. However, the distance between the bottom of the test cup and the center of the optical axis is very small, which reduces both the cost of testing and the amount of reagents or samples required for testing. Therefore, when placing the test cup in the test cup slot, it is necessary not only to avoid collisions between the test cup and the test cup slot, but also to ensure precise placement of the test cup within the slot.

[0061] To relieve doctors and nurses of the tedious tasks, test cups are typically placed in the test cup slots using a transfer mechanism. While these transfer mechanisms typically utilize synchronous belt drives, while cost-effective, they lack the precision required for proper test cup placement and cannot achieve precise control of the test cups. Alternatively, transfer mechanisms utilizing screw drives can meet the requirements for test cup placement, but are more expensive.

[0062] like Figures 1 to 3 As shown, according to a first aspect of the present application, a transfer mechanism 100 is provided for transferring a test cup on an analyzer. The transfer mechanism 100 includes a drive assembly 10, a gripper assembly 20, and a guide assembly 30. The guide assembly 30 is used to define a running trajectory of the gripper assembly 20, so that the gripper assembly 20 can move along the direction of the guide assembly 30 and complete the transfer of the test cup. The drive assembly 10 is used to drive the gripper assembly 20 to move along the running trajectory of the guide assembly 30. In this embodiment, the gripper assembly 20 is transmission-connected to the output end of the drive assembly 10 for gripping the test cup. A buffer assembly 40 is provided on the gripper assembly 20, or a buffer assembly 40 is connected between the gripper assembly 20 and the drive assembly 10, so that when the test cup is placed in the test position of the analyzer via the gripper assembly 20, the relative movement between the test cup and the drive assembly can cause the buffer assembly 40 to deform.

[0063] Specifically, after the gripper assembly 20 grasps the test cup, the drive assembly 10 drives the gripper assembly 20 downward along the guide direction of the guide assembly 30 until the test cup is placed on the test position of the analyzer. The drive assembly 10 can move according to a preset sequence. Once the test cup reaches the test position of the analyzer, the buffer assembly 40 resets and continues to drive the test cup toward the test position, once again ensuring that the test cup fully impacts the test position. For example, if the drive assembly 10 is a stepper motor, the drive motor has a preset number of steps and drives the gripper assembly 20 accordingly. It should be noted that the preset number of steps is greater than the number of steps required by the drive motor to drive the test cup to the test position. Generally, the preset number of steps is several steps greater than the number required by the drive motor to drive the test cup to the test position, ensuring that the test cup fully reaches the bottom of the test position. Because the buffer assembly 40 provides a sufficiently low buffering force and a relatively slow speed, collisions between the test cup and the test position can be avoided.

[0064] It should be noted that the buffer component 40 can be made of an elastic material, or the buffer component 40 can be made of a foam material. This not only ensures that the test cup is completely placed on the test position of the analyzer through the buffering force of the buffer component 40, but also has a simple structure, is easy to process and manufacture, has low production costs, and is economical and practical.

[0065] In addition, the buffer assembly 40 can be set at any position of the gripper assembly 20. For example, the buffer assembly 40 is set at the connection between the gripper assembly 20 and the drive assembly 10, or the buffer assembly 40 is set at the end of the gripper assembly 20 away from the drive assembly 10. The buffer assembly 40 can even be set at the middle position of the gripper assembly 20. Its main purpose is to absorb the torque transmitted from the drive assembly 10 to the buffer assembly 40, and then convert the torque into a buffering force. The buffering force is used to place the test cup on the test position of the analyzer, which not only ensures that the test cup is completely placed on the test position, but also avoids collision between the test cup and the test position, so that the test cup can be accurately placed on the test position.

[0066] In an optional embodiment, the transfer mechanism 100 also includes a fixed seat 50, wherein the drive assembly 10 and the guide assembly 30 are both installed on the fixed seat 50. In this embodiment, the guide assembly 30 is arranged along the length direction of the fixed seat 50, and the output end of the drive assembly 10 is perpendicular to the guide direction of the guide assembly 30.

[0067] Specifically, such as Figures 3 to 5 As shown, the fixed seat 50 is made by a bending process, and its cross-section is C-shaped. The guide components 30 are all installed in the depression of the fixed seat 50, and the drive component 10 is installed on the back of the fixed seat 50, and then installed on the translation mechanism of the analyzer through the fixed seat 50. During the assembly process, workers can first install the guide component 30 and the drive component 10 on the fixed seat 50 respectively, and then install the fixed seat 50 on the translation mechanism. The assembly efficiency is greatly improved. Moreover, the fixed seat 50 is made by a bending process, and the production efficiency is extremely high and the cost is correspondingly low. Therefore, the production efficiency of the entire transfer mechanism 100 is also greatly improved, and the production cost is reduced at the same time.

[0068] In an alternative embodiment, the fixed base 50 is provided with a rotating shaft hole 53 and a rotating shaft portion 54 spaced apart from each other, with the center line connecting the rotating shaft hole 53 and the rotating shaft portion 54 being parallel to the guide direction of the guide assembly 30. In this embodiment, the drive assembly 10 includes a drive motor 11 and an adapter 12. The drive motor 11 is mounted in the rotating shaft hole 53, and the output end of the drive motor 11 is connected to the adapter 12 through the rotating shaft hole 53, thereby driving the gripper assembly 20 to move along the length of the fixed base 50.

[0069] Specifically, the buffer assembly 40 is disposed between the adapter 12 and the gripper assembly 20. When the drive motor 11 is in operation, the drive motor 11 is in transmission connection with the adapter 12. Therefore, the adapter 12, through the drive motor 11, drives the gripper assembly 20 to move along the lengthwise direction of the fixed base 50. In this embodiment, the lengthwise direction of the fixed base 50 is the vertical direction of the fixed base 50, wherein the fixed base 50 can be moved in the transverse direction of the analyzer via the translation mechanism. For example, when the transfer mechanism 100 needs to remove a test cup from the test cup placement position, the translation mechanism drives the gripper assembly 20 to move in the transverse direction to grasp the test cup placed in the placement position for testing. After the gripper assembly 20 grasps the test cup, the drive motor 11 drives the gripper assembly 20 to rise in the vertical direction of the fixed base 50, preventing the test cup from colliding with the analyzer or other foreign objects when it is moved above the analyzer via the translation mechanism. When the test cup is located above the analyzer, the drive motor 11 drives the gripper assembly 20 to move the test cup downward until the test cup is placed on the test position of the analyzer. When the test cup reaches the test position, the buffer assembly 40 resets and continues to drive the test cup toward the test position to ensure that the test cup can be completely placed on the test position.

[0070] In an optional embodiment, if Figures 3 to 6 As shown, the drive assembly 10 further includes a driving wheel 14 and a driven wheel 15, wherein a belt 13 is connected between the driving wheel 14 and the driven wheel 15. In this embodiment, the driving wheel 14 is mounted on the output shaft of the drive motor 11, the driven wheel 15 is rotatably mounted on the rotating shaft portion 54, and the adapter 12 is mounted on the belt 13. Compared with the screw drive method, this not only effectively reduces the manufacturing cost of the transfer mechanism 100, but also has a reasonable and compact structure.

[0071] Specifically, such as Figures 6 and 7 As shown, the adapter 12 includes an adapter block 122 and a connecting block 123, wherein the adapter block 122 is transmission-connected to the gripper assembly 20, and the connecting block 123 is used to fix the adapter block 122 to the belt 13, that is, the belt 13 is disposed between the connecting block 123 and the adapter block 122. In this embodiment, the adapter block 122 is provided with an adapter block screw hole, and the connecting block 123 is provided with a connecting block through hole. The screw passes through the connecting block through hole and is connected to the adapter block screw hole. The belt 13 is located at the upper end of the adapter block 122 and the belt 13 is located at the lower end of the connecting block 123. The adapter 12 can be fixed to or removed from the belt 13 by adjusting the tightness of the screw.

[0072] like Figures 1 to 7As shown, when the drive motor 11 is working, the drive motor 11 drives the driving wheel 14 to rotate, and the driving wheel 14 drives the belt 13 between the driving wheel 14 and the driven wheel 15. Since the adapter 12 is fixed on the belt 13, the adapter 12 drives the buffer assembly 40 to move downward or upward as the belt moves, and then drives the gripper assembly 20 to move in the vertical direction of the fixed base 50 through the buffer assembly 40. The movement process of the gripper assembly 20 includes taking out the test cup that has been tested by the analyzer and placing the test cup to be tested on the test position of the analyzer.

[0073] In an optional embodiment, if Figures 3 to 9 As shown, a first optical coupling baffle 121 is provided on the adapter 12, and a first optical coupler 221 cooperating with the first optical coupling baffle 121 is provided on the gripper assembly 20, wherein the first optical coupling baffle 121 moves along the direction of the guide assembly 30 and enters and exits the shielding area of the first optical coupler 221.

[0074] Specifically, under the elastic force of the buffer assembly 40, the first optical coupler 221 remains shielded by the first optical coupler shield 121. In this embodiment, the first optical coupler shield 121 is fixed to the adapter 12. When the drive motor 11 drives the adapter 12 downward via the belt 13, the adapter 12 drives the gripper assembly 20 downward via the buffer assembly 40. During the downward movement of the gripper assembly 20, although the buffer assembly 40 deforms, the first optical coupler 221 remains shielded by the first optical coupler shield 121. When the test cup reaches the test position and fully contacts the test position, the drive motor 11 drives the gripper assembly 20 to continue moving. Because the position of the gripper assembly 20 is restricted, the distance between the gripper assembly 20 and the adapter 12 increases, allowing the first optical coupler 221 to break free from the shielding of the first optical coupler shield 121. The first optical coupler 221 controls the motor to stop, preventing the drive motor 11 from applying further pressure to the test cup, thereby better protecting the test cup.

[0075] In an optional embodiment, to ensure that the test cup on the gripper assembly 20 can be completely placed on the analyzer, the length of the first optical coupler baffle 121 is greater than the width of the shielding area of the first optical coupler 221, and / or the length of the first optical coupler baffle 121 is equal to twice the width of the shielding area of the first optical coupler 221, so that when the adapter 12 drives the gripper assembly 20 to drive the test cup to the testing position, the energy stored in the deformation of the buffer assembly 40 can continue to drive the test cup downward, which not only allows the test cup to completely contact the testing position but also better protects the test cup.

[0076] In an optional embodiment, the gripper assembly 20 further includes a second optical coupler block 222 that moves along the guide direction of the guide assembly 30. A second optical coupler 51 is provided on the fixed base 50. In this embodiment, the second optical coupler 51 is mounted on a side of the fixed base 50 near the rotating shaft hole 53. When the gripper assembly 20 drives the test cup to the highest point of the fixed base 50, the second optical coupler block 222 blocks the second optical coupler 51, causing the drive motor 11 to stop, thereby preventing the gripper assembly 20 from colliding with the fixed base 50.

[0077] In an optional embodiment, the drive motor 11 is a stepper motor, and a third optical coupler 52 is provided on the fixing seat 50. The third optical coupler 52 is arranged below the second optical coupler 51. The third optical coupler 52 cooperates with the second optical coupler baffle 222 to reset the drive motor 11.

[0078] Specifically, the third optical coupler 52 is disposed on a side of the fixed base 50 near the rotating shaft portion 54. During the stepper motor's movement, due to inevitable structural backlash of the transmission components, the motor's own backlash, manufacturing errors, or slight stepper motor stalls, the stepper motor may fail to reach the predetermined target position after a theoretically fixed number of steps. In this embodiment, while the gripper assembly 20 drives the test cup along the guide assembly 30, other operations may need to be performed on the test cup, such as sample mixing at the two-thirds position of the guide assembly 30. During these operations, stopping and starting the stepper motor can easily cause the stepper motor to stall.

[0079] When the drive motor 11 moves according to a preset number of steps, it may not be able to completely place the test cup on the analyzer. Therefore, the first optical coupler block 121 and the first optical coupler 221 need to cooperate, and the third optical coupler 52 and the second optical coupler need to cooperate to reset the drive motor 11. For example, if the drive motor 11 moves according to a preset number of steps of 100, and the test cup can perform other operations while moving along the guide direction of the guide assembly 30, each operation of the test cup may cause the stepper motor to lose steps, resulting in the gripper assembly 20 not being able to completely place the test cup on the test position of the analyzer when the stepper motor reaches 100 steps. In most cases, the test cup may be located above the test position. Therefore, the drive motor 11 can be reset by cooperating with the third optical coupler 52 and the second optical coupler to ensure that the test cup moves downward from the highest point of the fixed base 50 for each preset number of steps, thereby ensuring that the test cup reaches the test position with each movement.

[0080] The main point of this application is that after the gripper assembly 20 moves to the test position along the guide assembly 30 according to the preset number of steps of the drive motor 11, the drive motor 11 drives the gripper assembly 20 to continue moving to ensure that the test cup can completely reach the test position. Among them, the preset number of steps of the drive motor 11 is mainly obtained through debugging. For example, the drive motor 11 needs 100 steps during the debugging process to make the test cup reach the test position. Therefore, the preset number of steps is 100 steps, and the drive motor 11 continues to drive the gripper assembly 20 to move, for example, the drive motor 11 takes 2 more steps based on the preset number of steps.

[0081] In an optional embodiment, if Figure 3 、 Figures 9 to 12 As shown, the gripper assembly 20 includes a support member 22 and a gripper 21, wherein one end of the support member 22 is mounted on the guide assembly 30, and the gripper 21 is mounted on the other end of the support member 22. The buffer assembly 40 is disposed between the support member 22 and the drive assembly 10, so that the gripper 21 can move the support member 22 through the drive assembly 10 to grab the test cup.

[0082] Specifically, the buffer assembly 40 includes a buffer member, which is disposed between the support member 22 and the adapter 12 to slow down the movement speed of the test cup when placed in the analyzer.

[0083] In this embodiment, the buffer member includes a guide shaft 41 and an elastic member 42. One end of the guide shaft 41 is mounted on the adapter 12, while the other end of the guide shaft 41 is movably inserted through the support member 22 and extends out of the support member 22. In this embodiment, the elastic member 42 is sleeved over the end of the guide shaft 41 that extends out of the support member 22. When the support member 22 drives the gripper assembly 20 to place the test cup, the end of the guide shaft 41 that extends out of the support member 22 acts on the elastic member 42, causing it to compress and deform. During this deformation process, the elastic member 42 accumulates force, so that when the adapter 12 stops driving the support member 22 forward, the elastic member 42 resets and can continue to drive the support member 22 downward, ensuring that the test cup fully contacts the test position.

[0084] In an optional embodiment, the guide shaft 41 includes a first end and a second end, wherein the first end is provided with a screw hole 412 and the second end is provided with a boss 411. In this embodiment, an adapter through-hole is provided on the adapter 12, and a support through-hole is provided on the support 22. After the screw is connected to the screw hole 412, the first end is installed on the adapter through-hole, and the second end extends out of the support 22 through-hole and is located on the outside of the support 22, wherein one end of the elastic member 42 abuts against the support 22, and the other end of the elastic member 42 abuts against the boss 411. After adopting the above technical solution, it can not only ensure that the guide shaft 41 can be movably installed on the support through-hole, but also enable the elastic member 42 to store force or reset through relative displacement with the support through-hole. The structure is simple but practical.

[0085] It should be noted that the direction of movement of the guide shaft 41 is the same as or opposite to the guiding direction of the guide assembly 30 , that is, the first optical coupling shield 121 can move along the direction of the guide shaft 41 and enter and exit the shielding area of the first optical coupler 221 .

[0086] In an optional embodiment, the buffer assembly 40 includes a buffer member, which can be disposed at any position of the support member 22, for example, between the grip member 21 and the support member 22. Specifically, when the drive motor 11 drives the support member 22 to move via the adapter 12, since the buffer member is disposed between the support member 22 and the grip member 21, during the process of the grip member 21 driving the test cup to move, especially when the test cup is about to be placed on the test position of the analyzer, an abutment member is provided on the test position of the analyzer to secure the test cup. The interaction between the test cup and the abutment member causes the buffer member to deform and accumulate force. When the adapter 12 stops driving the support member 22 to move, the buffer member can reset and drive the test cup to continue moving toward the test position, thereby ensuring that the test cup completely abuts against the test position.

[0087] In an optional embodiment, if Figure 4 、 Figure 10 and Figure 11 As shown, the two ends of the support member 22 are the first end 223 of the support member and the second end 224 of the support member. The first end 223 of the support member and the second end 224 of the support member are connected together through a support member connecting rod to better control the length and width of the support member 22, so that the structure of the transfer mechanism 100 is more compact.

[0088] The second optical coupler baffle 222 has a Z-shaped structure, wherein the Z-shaped structure is integrally formed by an upper end surface, a receiving surface, and a lower end surface. The upper end surface and the receiving surface of the second optical coupler baffle 222 are attached to the support member 22, and the position of the lower end surface corresponds to the positions of the second optical coupler 51 and the third optical coupler 52. In this embodiment, to ensure the travel of the support member 22 and the ability of the drive motor 11 to reset the position of the third optical coupler 52, a notch is provided above the lower end surface. The length of the notch can be set according to the vertical movement distance of the transfer mechanism 100. This can effectively reduce the vertical length of the transfer mechanism 100, while also ensuring the travel of the support member 22 and the ability of the drive motor 11 to reset the position of the third optical coupler 52.

[0089] In this embodiment, the first optical coupler 221 includes a first optical coupler fixing frame 2211, a first optical coupler body 2212 and a first optical coupler locking member 2213, wherein the first optical coupler body 2212 is fixed to the first optical coupler fixing frame 2211 through the first optical coupler locking member 2213, and the first optical coupler fixing frame 2211 is installed on the second end 224 of the support member.

[0090] In an optional embodiment, if Figures 12 to 14 As shown, the gripper 21 includes a mounting member 211, a first clamping block 212, and a second clamping block 213. The first clamping block 212 is rotatably mounted on one side of the mounting member 211, while the second clamping block 213 is rotatably mounted on the other side of the mounting member 211. The second clamping block 213 is positioned opposite the first clamping block 212 and is used to grasp a test cup. The mounting member 211 is mounted on the first end 223 of the support member. When the first clamping block 212 and the second clamping block 213 move toward each other, they clamp the test cup; when the first clamping block 212 and the second clamping block 213 move away from each other, they release the test cup. The structure is simple yet practical.

[0091] In an optional embodiment, the gripper 21 further includes a reset member 214, which is disposed between the first clamping block 212 and the second clamping block 213. The movement of the first clamping block 212 and the second clamping block 213 toward or away from each other can cause the reset member 214 to deform to clamp the test cup.

[0092] Specifically, the first clamping block 212 is provided with a first mounting portion 2122, and the second clamping block 213 is provided with a second mounting portion. The structure of the second mounting portion is identical to that of the first mounting portion 2122. In this embodiment, the two ends of the reset member 214 are respectively engaged with the first mounting portion 2122 and the second mounting portion. When the gripper 21 grasps the test cup, the restoring force of the reset member 214 causes the first and second clamping blocks 212, 213 to move toward each other, thereby clamping the test cup and preventing the test cup from being separated from the gripper 21. When the gripper 21 places the test cup on the analyzer, the separation of the first and second clamping blocks 212, 213 causes the reset member 214 to deform, allowing the test cup to be placed on the analyzer.

[0093] In an optional embodiment, the gripper 21 is provided with a slot, and an annular flange extends outward from the opening of the test cup. The diameter of the slot matches the diameter of the annular flange. Specifically, the mounting member 211 is provided with a mounting member slot 2113, the first clamping block 212 is provided with a first clamping block slot 2123, and the second clamping block 213 is provided with a second clamping block slot symmetrical to the first clamping block slot 2123. The slot is composed of the mounting member slot 2113, the first clamping block slot 2123, and the second clamping block slot. When the gripper 21 grasps the test cup, the annular flange on the test cup fits neatly within the slot, allowing the gripper 21 to smoothly grasp the test cup while also preventing the test cup from detaching from the gripper 21.

[0094] In an optional embodiment, the width of the slot is greater than the thickness of the annular flange. Specifically, the width of the slot is equal to twice the thickness of the annular flange. This not only ensures that the annular flange can smoothly enter the slot, but also prevents the test cup from shaking due to an excessively wide slot.

[0095] In an optional embodiment, both ends of the slot facing outward are provided with chamfered structures 2124 , so that the annular flange can quickly enter the slot through the chamfered structures 2124 .

[0096] In an optional embodiment, the first clamping block 212 is hinged to the mounting member 211, and the second clamping block 213 is hinged to the mounting member 211. Specifically, the mounting member 211 is provided with a first hinge portion 2111 and a second hinge portion 2112, respectively located on either side of the mounting member slot 2113. The first clamping block 212 is provided with a first clamping block hinge hole 2121, and the second clamping block 213 is provided with a second clamping block hinge hole, the structure of the second clamping block hinge hole being the same as that of the first clamping block hinge hole 2121. In this embodiment, two hinge screws 2114 are provided on the mounting member 211. One hinge screw 2114 passes through the first clamping block hinge hole 2121 to rotatably mount the first clamping block 212 on the first hinge portion 2111, and the other hinge screw 2114 passes through the second clamping block hinge hole to rotatably mount the second clamping block 213 on the second hinge portion 2112.

[0097] In an optional embodiment, if Figure 3 、 Figures 10 to 12 As shown, the support member 22 is provided with a mounting groove at the end away from the guide group / 30, and the mounting member 211 is provided with a mounting platform on the side away from the first clamping block 212 or the second clamping block 213, and the mounting platform is installed on the mounting groove. Specifically, the mounting groove is provided on the first end 223 of the support member so that the mounting member 211 can be firmly fixed on the support member 22.

[0098] In an optional embodiment, if Figure 3 As shown, the guide assembly 30 includes a guide rail 31 and a guide slider 32. The guide rail 31 is installed on the fixed seat 50, and the guide slider 32 can be slidably installed on the guide rail 31. In this embodiment, the support member 22 is installed on the guide slider 32 so that the drive motor 11 can drive the support member 22 to rise or fall along the guide rail 31.

[0099] like Figures 1 to 21As shown, according to the second aspect of the present application, an analyzer is provided, comprising the aforementioned transfer mechanism 100, a light source, an optical detector, and a test station 200. The light source is configured to irradiate a light beam onto a sample in a test cup 300, the optical detector is configured to receive light emitted after the light beam irradiates the sample, and the test station 200 is configured to accommodate the test cup 300. In this embodiment, the test station 200 is provided with a plurality of test cup slots 201. Light emitting channels 202 and light receiving channels 203 are respectively provided on the optical axes on either side of the test cup slots 201. The light source is located on the light emitting channel 202, and the optical detector is located on the light receiving channel 203. When the transfer mechanism 100 transfers the test cup 300 to the top of the testing position 200, the drive motor 11 on the transfer mechanism 100 drives the gripper assembly 20 to bring the test cup 300 to the testing position 200. When the test cup 300 is completely placed in the test cup slot 201, the translation mechanism on the analyzer drives the transfer mechanism 100 to move laterally, completely separating the gripper 21 from the test cup 300. The drive motor 11 then drives the gripper assembly 20 to rise and continue to grab the next test cup containing the sample to be tested.

[0100] In the process of the drive motor 11 driving the gripper assembly 20 to move the test cup 300 downward, the drive motor 11 works according to a preset number of steps. The preset number of steps means that during the debugging process of the drive motor 11, the gripper assembly 20 can drive the test cup 300 to be completely placed in the test cup slot 201. In this embodiment, after the drive motor 11 drives the gripper assembly 20 to drive the test cup 300 to reach the test position, it continues to drive the gripper assembly 20 to move downward to ensure that the test cup 300 can be completely placed in the test cup slot 201. The process of the test cup 300 reaching the test position 200 can be controlled by setting a preset number of steps for the drive motor 11, so that the test cup 300 can completely reach the test position 200 during each placement process. Since a buffer assembly 40 is connected between the drive motor 11 and the gripper assembly 20, when the drive motor 11 drives the test cup 300 to move and reach the preset number of steps, the gripper assembly 20 can be driven downward to ensure that the test cup 300 can be completely placed in the test cup slot 201. After the number of steps, the test cup 300 may not be completely placed in the test cup groove 201, so the driving motor 11 drives the test cup 300 to continue moving to ensure that the test cup 300 is completely placed in the test cup groove 201; or the driving motor 11 drives the gripper assembly 20 according to the preset number of steps to ensure that the test cup 300 is completely placed in the test cup groove 201. At this time, the driving motor 11 drives the test cup 300 to continue moving, forcing the distance between the gripper assembly 20 and the adapter 12 to increase, so that the first optical coupler 221 is not blocked by the first optical coupler blocking piece 121, and the driving motor 11 stops running.

[0101] In an optional embodiment, if Figures 17 to 21As shown, a snap ring 2012 is provided on the test position 200 . The number of the snap rings 2012 matches the number of the test cup slots 201 . Each snap ring 2012 is installed at an opening of a test cup slot 201 to secure a test cup 300 placed on the test cup slot 201 .

[0102] Specifically, the snap ring 2012 can be made of an elastic material having a diameter smaller than that of the test cup 300, or other elastic members can be provided inside the snap ring 2012. When the test cup 300 is placed on the test cup slot 201, the snap ring 2012 can firmly secure the test cup 300 in the test cup slot 201, thereby facilitating the separation of the gripper assembly from the test cup 300 and facilitating sample testing in the test cup 300, thereby preventing the test cup 300 from shaking in the test cup slot 201 and increasing the difficulty of sample testing.

[0103] In an optional embodiment, other sensors may be provided in the test cup slot 201 to detect whether the test cup 300 is in place, so as to ensure that the light source and the optical detector can detect the sample in the test cup 300 .

[0104] In an optional embodiment, the retaining ring 2012 is provided with an abutment 2011. When the test cup 300 is inserted into the test cup groove 201, the abutment 2011 can elastically press against the side wall of the test cup groove 201, thereby facilitating improving the accuracy of the test result.

[0105] In an optional embodiment, the abutment 2011 is a spring, and the retaining ring 2012 is provided with a first spring support and a second spring support. The two ends of the abutment 2011 are respectively fixed on the first spring support and the second spring support. The structure is simple but practical.

[0106] In an optional embodiment, the test cup groove 201 is a stepped groove structure, including a first stepped groove 201a and a second stepped groove 201b, wherein the clamping ring 2012 is installed on the second stepped groove 201b, and the test cup 300 passes through the clamping ring 2012 and is placed in the first stepped groove 201a.

[0107] like Figures 1 to 21 As shown, according to the third aspect of the present application, the present application provides an optical detection method, wherein the optical detection method is implemented by an analyzer. In this embodiment, the analyzer includes a light source, an optical detector, a test position 200 and a transfer mechanism 100, and the transfer mechanism 100 is provided with a drive component 10, a guide component 30, a gripper component 20 and a buffer component 40.

[0108] After the gripper assembly 20 grasps the test cup 300, the drive assembly 10 drives the gripper assembly 20 to move vertically along the guide assembly 30 to transfer the test cup 300 to the testing position 200. The drive assembly 10 drives the test cup 300 toward the testing position 200 according to a preset number of steps and then continues to drive the gripper assembly 20, so that the test cup 300 can reach the testing position 200 due to the deformation of the buffer assembly 40. After the test cup 300 moves to the testing position 200, the light source and optical detector are activated to detect the sample in the test cup 300.

[0109] Specifically, the preset number of steps means that after the drive assembly 10 has been debugged multiple times, the drive assembly 10 operates according to the preset number of steps, and the test cup 300 can reach the test position 200. To ensure that the drive assembly 10 can accurately transport the test cup 300 to the test position 200 every time, the drive assembly 10 drives the gripper assembly 20 according to the preset number of steps and continues to drive the gripper assembly 20 to move after reaching the test position, so as to ensure that the test cup can completely reach the test position. Because a buffer assembly 40 is disposed between the drive assembly 10 and the gripper assembly 20, the drive assembly 10 drives the gripper assembly 20 through the buffer assembly 40. Therefore, when the gripper assembly 20 drives the test cup 300 to the test position 200 within the preset number of steps of the drive assembly 10, the drive assembly 10 continues to drive the gripper assembly 20 to move. The gripper assembly 20 converts the downward force of the drive assembly 10 into deformation of the buffer assembly 40. When the deformation of the buffer assembly 40 reaches a certain level, that is, the first optical coupler 221 is no longer blocked by the first optical coupler blocking piece 121, the drive assembly 10 stops operating. If the gripper assembly 20 is unable to drive the test cup 300 to the test position 200 within the preset number of steps of the drive assembly 10, the drive assembly 10 continues to drive the gripper assembly 20 to drive the test cup 300 to the test position 200.

[0110] like Figures 1 to 21 As shown, according to the third aspect of the present application, the present application provides an optical detection method, wherein the optical detection method is implemented by an analyzer, which includes a light source, an optical detector, a test station 200, and a transfer mechanism 100. In this embodiment, the transfer mechanism 100 is provided with a drive assembly 10, a guide assembly 30, a gripper assembly 20, a buffer assembly 40, a first optical coupler baffle 121, and a first optical coupler 221. The first optical coupler baffle 121 is provided on one of the drive assembly 10 and the gripper assembly 20, and the first optical coupler 221 is provided on the other of the drive assembly 10 and the gripper assembly 20. The first optical coupler baffle 121 and the first optical coupler 221 cooperate to identify the deformation of the buffer assembly 40.

[0111] After the gripper assembly 20 grabs the test cup 300, the drive assembly 10 drives the test cup to the test position according to the cooperation relationship between the first optical coupler block 121 and the first optical coupler 221, and then stops working. After the test cup 300 moves to the test position 200, the light source and the optical detector are activated to detect the sample in the test cup 300.

[0112] Specifically, the cooperation relationship between the first optical coupler block 121 and the first optical coupler 221 includes two situations: the first optical coupler block 121 blocks the first optical coupler 221 , or the first optical coupler 221 is not blocked by the first optical coupler block 121 . For example, the first optical coupler 221 is blocked by the first optical coupler blocking piece 121 when the buffer assembly 40 is not deformed. Since the gripper assembly 20 is in transmission connection with the drive assembly 10 via the buffer assembly 40, the buffer assembly 40 will deform during the process of the drive assembly 10 driving the gripper assembly 20 to drive the test cup 300. Therefore, the drive assembly 10 can determine whether the deformation of the buffer assembly 40 is sufficient to drive the test cup 300 to reach the test position 200 after the drive assembly 10 stops based on whether the first optical coupler 221 is blocked by the first optical coupler blocking piece 121. When the test cup 300 reaches the test position 200, the gripper assembly 20 stops moving. The movement of the drive assembly 10 causes the deformation of the buffer assembly 40 to increase, thereby causing the first optical coupler 221 to no longer be blocked by the first optical coupler blocking piece 121, and the drive assembly 10 stops driving the gripper assembly 20 to move. Alternatively, when the buffer assembly 40 is not deformed, the first optical coupler 221 is not blocked by the first optical coupler shielding piece 121. The driver assembly 10 can determine the deformation of the buffer assembly 40 based on whether the first optical coupler 221 is blocked by the first optical coupler shielding piece 121. The deformation of the buffer assembly 40 is primarily determined by the distance between the support member 22 and the adapter 12. When the gripper assembly 20 stops moving, the distance between the support member 22 and the adapter 12 increases, forcing the first optical coupler 221 to be blocked by the first optical coupler shielding piece 121, thereby stopping the driver assembly 10. This not only allows the test cup 300 to be accurately placed on the testing position, but also effectively protects the test cup 300.

[0113] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, removable connections, or integral connections. They may refer to mechanical connections or electrical connections. They may refer to direct connections or indirect connections through an intermediary, and they may refer to internal communication between two components or interactions between two components. Those skilled in the art will understand the specific meanings of these terms in the present invention based on the specific circumstances.

[0114] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0115] The disclosure above provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described above. Of course, they are merely examples and are not intended to limit the present invention. In addition, the present invention may repeat reference numerals and / or reference letters in different examples, and such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides examples of various specific processes and materials, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0116] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with an embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative descriptions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0117] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the claims and their equivalents.

Claims

1. A transfer mechanism for transferring a test cup on an analyzer, characterized in that: include: A gripper assembly, used for grabbing the test cup; a guide assembly, used to define a running track of the gripper assembly so that the gripper assembly can move in a vertical direction and transfer the test cup to a testing position; A driving assembly, used for driving the gripper assembly to move along the motion trajectory of the guide assembly, wherein the output end of the driving assembly is in transmission connection with the gripper assembly; A buffer assembly is provided on the gripper assembly, or a buffer assembly is connected between the gripper assembly and the drive assembly, so that when the test cup is placed on the test position of the analyzer through the gripper assembly, the relative movement between the test cup and the drive assembly can cause the buffer assembly to deform, so that the buffer assembly can absorb the torque transmitted by the drive assembly and convert the torque into a buffer force, and then place the test cup on the test position through the buffer force.

2. The transfer mechanism according to claim 1, wherein: The transfer mechanism further comprises: A fixed seat, on which the drive assembly and the guide assembly are both mounted; The guide assembly is arranged along the length direction of the fixing seat, and the output end of the driving assembly is perpendicular to the guiding direction of the guide assembly.

3. The transfer mechanism according to claim 2, characterized in that: The drive assembly includes: A driving motor is mounted on the fixing seat; An adapter, drivingly connected to the drive motor, for driving the gripper assembly to move along the length direction of the fixed base; Wherein, the buffer assembly is arranged between the adapter and the gripper assembly.

4. The transfer mechanism according to claim 3, wherein: The drive assembly further includes: A driving wheel is mounted on the output shaft of the driving motor; The driven wheel is rotatably mounted on the fixing seat, and a belt is connected between the driven wheel and the driving wheel, and the adapter is mounted on the belt.

5. The transfer mechanism according to claim 4, characterized in that: The fixing seat is provided with a rotating shaft hole and a rotating shaft portion arranged at intervals, the center line between the rotating shaft hole and the rotating shaft portion is parallel to the guiding direction of the guide assembly, the driving motor is installed on the rotating shaft hole, and the driven wheel is installed on the rotating shaft portion.

6. The transfer mechanism according to claim 4, characterized in that: The adapter comprises: An adapter block, transmission-connected to the gripper assembly; A connecting block fixes the adapter block on the belt, and the belt is arranged between the connecting block and the adapter block.

7. The transfer mechanism according to claim 4, characterized in that: The gripper assembly comprises: a support member mounted on the guide assembly, wherein the buffer assembly is disposed between the support member and the drive assembly; A gripper is mounted on one end of the support member away from the guide assembly and is used for gripping the test cup.

8. The transfer mechanism according to claim 7, characterized in that: The buffer assembly comprises: A guide shaft, one end of which is mounted on the adapter, and the other end of which is movably arranged through the support member and extends out of the support member; The elastic member is sleeved on one end of the guide shaft extending from the support member. When the support member drives the gripper assembly to place the test cup, the end of the guide shaft extending from the support member acts on the elastic member to compress and deform it.

9. The transfer mechanism according to claim 8, characterized in that: The adapter is provided with an adapter through-hole, the support is provided with a support through-hole, and the guide shaft includes: The first end is provided with a screw hole, which is mounted on the through-hole of the adapter by means of a screw; The second end is provided with a boss, which extends out of the through hole of the support member and is located on the outside of the support member. One end of the elastic member abuts against the support member, and the other end of the elastic member abuts against the boss.

10. The transfer mechanism according to claim 8, characterized in that: The adapter is provided with a first optical coupling baffle, and the support is provided with a first optical coupler that cooperates with the first optical coupling baffle. The first optical coupling baffle moves along the direction of the guide axis and enters and exits the shielding area of the first optical coupler.

11. The transfer mechanism according to claim 10, wherein: The length of the first optical coupler shielding piece is greater than the width of the first optical coupler shielding area, and / or the length of the first optical coupler shielding piece is equal to twice the width of the first optical coupler shielding area.

12. The transfer mechanism according to claim 7, wherein: The gripper assembly further includes a second optical coupling baffle that moves along the guide direction of the guide assembly. The fixing seat is provided with a second optical coupler. When the gripper assembly drives the test cup to rise to the highest point, the second optical coupling baffle cooperates with the second optical coupler to control the drive motor to stop moving.

13. The transfer mechanism according to claim 12, wherein: The driving motor is a stepping motor. A third optical coupler is provided on the fixing seat. The third optical coupler is arranged below the second optical coupler. The third optical coupler cooperates with the second optical coupler baffle to reset the driving motor.

14. The transfer mechanism according to claim 13, wherein: The second optical coupler baffle is in a Z-shaped structure, which is integrally formed by an upper end surface, a supporting surface and a lower end surface. The upper end surface and the supporting surface are attached to the support member, and the position of the lower end surface corresponds to the positions of the second optical coupler and the third optical coupler.

15. The transfer mechanism according to claim 7, wherein: The buffer assembly comprises: The buffer member is arranged between the grip member and the support member.

16. An analyzer, characterized in that: include: a light source for irradiating a light beam toward the sample in the test cup; an optical detector for receiving light emitted from the light beam after it strikes the sample; a test position for placing the test cup, the test position being provided with a plurality of test cup slots, a light emitting channel and a light receiving channel being provided on the optical axes on both sides of the test cup slots, the light source being located on the light emitting channel, and the optical detector being located on the light receiving channel; and The transfer mechanism according to any one of claims 1 to 15, wherein the transfer mechanism is used to transfer the test cup placed at the testing position.

17. The analyzer according to claim 16, characterized in that The test position is provided with a snap ring, the number of which matches the number of the test cup slots, and each snap ring is correspondingly installed on the opening of the test cup slot to fix the test cup placed on the test cup slot.

18. The analyzer according to claim 17, characterized in that The clamping ring is provided with an abutment piece, and when the test cup is inserted into the test cup groove, the abutment piece can elastically press against the side wall of the test cup groove.

19. The analyzer according to claim 18, characterized in that The abutment member is a spring, a first spring support and a second spring support are provided on the clamping ring, and two ends of the abutment member are respectively fixed on the first spring support and the second spring support.

20. An optical detection method, characterized in that: The optical detection method is implemented by an analyzer, which includes a light source, an optical detector, a test position and a transfer mechanism according to any one of claims 1 to 15, wherein the transfer mechanism is provided with a drive assembly, a guide assembly, a gripper assembly and a buffer assembly; The steps of the optical detection method include: The gripper assembly grabs the test cup; The driving assembly drives the gripper assembly to move in a vertical direction along the guide assembly to move the test cup to the testing position; After the driving assembly drives the test cup to the testing position, the driving assembly continues to drive the gripper assembly, so that the test cup can contact the testing position through the deformation of the buffer assembly; After the test cup is moved to the testing position, the light source and the optical detector are activated to detect the sample in the test cup.

21. An optical detection method, characterized in that: The optical detection method is implemented by an analyzer, which includes a light source, an optical detector, a test position, and a transfer mechanism according to any one of claims 1 to 15, wherein the transfer mechanism is provided with a drive assembly, a guide assembly, a gripper assembly, a buffer assembly, a first optical coupler, and a first optical coupler baffle, wherein the first optical coupler and the first optical coupler baffle cooperate to identify the deformation of the buffer assembly; The steps of the optical detection method include: The gripper assembly grabs the test cup; The driving component drives the test cup to the testing position and stops working after the test cup reaches the testing position according to the cooperation relationship between the first optical coupler baffle and the first optical coupler; After the test cup is moved to the testing position, the light source and the optical detector are activated to detect the sample in the test cup.

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