Sample rack separating mechanism, sample conveying module and immunity analyzer

Abstract

The utility model discloses a sample rack separation mechanism, a sample conveying module and an immunoassay analyzer. According to the sample frame separation mechanism disclosed by the invention, the avoiding hole is formed in the sample introduction channel, and the reset piece used for driving the hook piece to be kept at the hooking position is arranged on the rotatable hook piece; therefore, the avoiding hole and the resetting piece on the sample injection channel are ingeniously utilized to control the hooking piece to be located at the hooking position, and under the driving of the separation driving device, the hooking piece is ingeniously controlled to rotate and move to the retreating position by utilizing the limiting of the sample injection channel. Therefore, a driving device specially used for driving the hooking piece to be switched between the hooking position and the returning position is not arranged, the structure and control of the sample frame separating mechanism can be simplified, and the cost of the sample frame separating mechanism is effectively reduced.

Description

Technical Field

[0001] The present application relates to the technical field of sample detection and analysis, and in particular to a sample rack separation mechanism, a sample transport module and an immunoassay analyzer. Background Art

[0002] When the automated immunoassay analyzer performs sample analysis, the staff is usually required to first place the sample collected in the sample container on a sample rack, and then place multiple sample racks together on the sample movement channel of the sample transport module.

[0003] Since a sample rack usually carries multiple sample containers, when sampling, the target sample rack being sampled often needs to reciprocate to cooperate with the sample filling unit for sampling. Therefore, in order to avoid the target sample rack colliding with the next sample rack that is waiting during the reciprocating movement, the next sample rack needs to be separated from the target sample rack and maintain a sufficient safety distance.

[0004] The existing sample separation mechanism needs a dedicated driving device to drive the sample rack separation mechanism when performing sample rack separation, which makes the structure of the sample rack separation mechanism more complicated, the control more cumbersome, and is not conducive to cost control. Utility Model Content

[0005] The main purpose of the present application is to provide a sample rack separation mechanism, a sample transport module and an immunoassay analyzer to solve the problem in the prior art that a driving device dedicated to driving the hook to rotate is required.

[0006] According to one aspect of the present application, a sample rack separation mechanism is provided, which is arranged below a sampling channel, wherein the sampling channel can be used for movement of multiple sample racks, and a clearance hole is arranged on the sampling channel;

[0007] The sample rack separation mechanism comprises a separation drive device, a push plate, a hook member and a reset member, wherein the push plate is arranged at the output end of the separation drive device, the hook member is rotatably arranged on the push plate and has a hooking position and a retracting position, and the reset member is used to drive the hook member to remain in the hooking position;

[0008] When the hook is in the hooking position, driven by the separation drive device, the hook can at least partially extend out of the clearance hole and hook the sample rack. When the hook is in the retracting position, the hook rotates and retracts to below the injection channel.

[0009] On the other hand, the present application also provides a sample delivery module, comprising:

[0010] An injection support plate, wherein the injection support plate is structured to form an injection channel, and the injection channel can be used to allow the movement of the plurality of sample racks;

[0011] A sampling support plate, wherein the sampling support plate is structured to form a sampling channel connected to the injection channel;

[0012] a sampling drive mechanism, which can be used to drive the sample holder located on the sampling channel to reciprocate on the sampling channel; and

[0013] The sample rack separation mechanism comprises any one of the above, and the sample rack separation mechanism is used to separate the sample racks adjacent to each other on the injection channel and the sampling channel.

[0014] On the other hand, the present application also provides an immunoassay analyzer, comprising the sample transport module described in any one of the above items.

[0015] In the sample rack separation mechanism of the present application, the yield hole is provided on the injection channel, and a reset member for driving the hook member to remain in the hooking position is provided on the rotatable hook member, so that the yield hole and the reset member on the injection channel are cleverly used to control the hook member to be in the hooking position, and under the drive of the separation drive device, the limit of the injection channel is cleverly used to control the hook member to rotate and move to the retreat position, thereby avoiding the need to provide a drive device dedicated to driving the hook member to switch between the hooking position and the retreat position, thereby simplifying the structure and control procedure of the sample rack separation mechanism, and thereby effectively reducing its cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is an overall schematic diagram of an immunoassay analyzer in one embodiment disclosed in the present application.

[0018] Figure 2 Schematic diagram of a reagent cartridge storage unit having an incubation unit, a detection unit, a reagent cartridge scheduling unit, and five reagent cartridge compartments in an embodiment disclosed in the present application.

[0019] Figure 3 Schematic diagram of a reagent card storage unit having two incubation units, two detection units, a reagent card scheduling unit and seven reagent card compartments in an embodiment disclosed in the present application.

[0020] Figure 4 It is a schematic diagram of an embodiment disclosed in the present application, which has an incubation unit, a detection unit, and a reagent cartridge storage unit having five reagent cartridge compartments.

[0021] Figure 5 A1 is a schematic diagram of an incubation unit in one embodiment disclosed in the present application, and A2 is a schematic diagram of an incubation unit in another embodiment disclosed in the present application.

[0022] Figure 6 Schematic diagram of a reagent card scheduling unit in one embodiment disclosed in the present application.

[0023] Figure 7 B1 is a schematic diagram of a second horizontal driving group in an embodiment disclosed in the present application, and B2 is a schematic diagram of B1 from another angle.

[0024] Figure 8 C1 is a schematic diagram of a sample transport module carrying a sample rack in one embodiment disclosed in the present application, and C2 is a schematic diagram of a sample transport module in another embodiment disclosed in the present application.

[0025] Fig. 9 D1 is a schematic diagram of a sample rack separation mechanism in an embodiment disclosed in the present application, and D2 is a schematic diagram of D1 from another angle.

[0026] Fig.10 It is a schematic diagram of a sample filling unit in one embodiment disclosed in the present application.

[0027] Fig.11 E1 is a schematic diagram of a partial structure of a sample filling unit in an embodiment disclosed in the present application, and E2 is a cross-sectional view of a partial structure of the sample filling unit.

[0028] Fig.12 F1 is a schematic diagram of a consumable supply unit in one embodiment disclosed in the present application, and F2 is a schematic diagram of a consumable supply unit in another embodiment disclosed in the present application. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0031] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0032] See also Figure 1 As shown, the present application provides an immunoassay analyzer, which includes an incubation unit 20, a reagent cartridge storage unit 30, and a reagent cartridge scheduling unit 40. The incubation unit 20 is disposed on the workbench 10, and is used to incubate a reagent cartridge 100 filled with a sample. The reagent cartridge storage unit 30 is disposed on the workbench 10, and is used to carry a reagent cartridge 90 containing a reagent cartridge 100. The reagent cartridge scheduling unit 40 is disposed on the workbench 10, and is used to perform transfer scheduling of the reagent cartridge 100.

[0033] See also Figure 2-5 As shown, in one embodiment, the incubation unit 20 is constructed along the first horizontal direction to form a plurality of incubation chambers 21. The incubation chamber 21 is used to incubate the reagent card 100 filled with the sample to simulate the reaction of the sample with the reagent under the temperature state of the original living environment. Furthermore, each of the incubation chambers 21 has an incubation inlet and outlet, and the incubation inlet and outlet are used for the reagent card 100 to enter and exit the incubation chamber 21. The incubation inlet and outlet corresponding to each of the plurality of incubation chambers 21 are located on the first side of the incubation unit 20.

[0034] By arranging the incubation chamber 21 along the first horizontal direction, and arranging the incubation inlet and outlet corresponding to each of the multiple incubation chambers 21 on the first side of the incubation unit 20, when the incubation unit 20 is expanded, the multiple incubation units 20 can be directly stacked and arranged, thereby fully utilizing the available space of the analyzer only in the vertical direction when realizing the incubation capacity expansion, avoiding the increase of the occupied area, that is, the volume of the analyzer will not be increased in the horizontal direction, resulting in an increase in the occupied area of ​​the analyzer.

[0035] Further, in one embodiment, the incubation unit 20 includes an incubation piece 22, a heating piece 23, and a heat preservation layer 24. The incubation piece 22 is constructed along the first horizontal direction to form a plurality of incubation chambers 21, and the heating piece 23 is attached to the outside of the incubation piece 22, and can heat the incubation piece 22 so that the temperature inside the incubation piece 22 can be heated to the incubation temperature required for incubating the reagent card 100. The heat preservation layer 24 is coated on the outside of the incubation piece 22 and the heating piece 23, and is used to keep the incubation piece 22 warm so that the incubation piece 22 can be kept at the incubation temperature to incubate the reagent card. Preferably, the heating piece 23 is attached to the bottom surface of the incubation piece 22. The heating piece 23 can be, but is not limited to, a heating film, a heating wire, etc.

[0036] In another embodiment, the incubation unit 20 includes an incubation piece 22, a cooling fin 26, a radiator 27, an air duct 28, and a fan 29. The incubation piece is structured along the first horizontal direction to form a plurality of incubation chambers 21, and the cooling fin 26 is attached to the outside of the incubation piece 22 and can heat or cool the incubation piece 22, so that the temperature of the incubation piece 22 can be selectively controlled according to the incubation temperature requirements of the reagent card 100 and the temperature of the external environment.

[0037] The radiator 27 is connected to the cooling fin 26 and can be used to dissipate the heat generated by the cooling fin 26 when it is working, so as to ensure that the heat generated by the cooling fin 26 when it is working can be quickly dissipated. Further, the radiator 27 and the cooling fin 26 are both arranged in the air duct 28. The fan 29 is used to extract or supply air to the air duct 28, so that the air in the air duct 28 can flow quickly, thereby quickly dissipating the heat generated by the cooling fin 26 when it is working.

[0038] In a specific embodiment, an incubation unit 20 is disposed on the workbench 10 , and the incubation unit 20 is configured to have twenty incubation chambers 21 along the first horizontal direction.

[0039] In another specific embodiment, further, the immunoassay analyzer includes at least two incubation units 20 , wherein one incubation unit 20 is disposed above the other incubation unit 20 , and the reagent cartridge storage unit 30 is disposed above the incubation unit 20 .

[0040] Further, in one embodiment, the reagent cartridge storage unit 30 is disposed on a second side of the incubation unit 20 , and the second side is an adjacent side to the first side. That is, the reagent cartridge storage unit 30 is disposed adjacent to the incubation unit 20 .

[0041] In another embodiment, the reagent cartridge storage unit 30 is disposed on the incubation unit 20, thereby reasonably avoiding the reagent cartridge storage unit 30 from occupying the horizontal space of the workbench 10, thereby effectively reducing the floor space occupied by installing the analyzer.

[0042] Furthermore, the reagent cartridge storage unit 30 is structured to form a reagent cartridge chamber 31, and the reagent cartridge chamber 31 is used to carry the reagent cartridge 90, and the reagent cartridge 90 is used to carry the reagent card 100. The reagent cartridge storage unit 30 has a plurality of the reagent cartridge chambers 31 along the first horizontal direction, and each of the reagent cartridge chambers 31 can hold one reagent cartridge 90.

[0043] By arranging the reagent cartridge storage unit 30 above the incubation unit 20, and arranging a plurality of the reagent cartridge chambers 31 along the first horizontal direction, when the reagent cartridge storage unit 30 needs to be amplified, at least two of the reagent cartridge storage units 30 can be arranged adjacent to each other along the first horizontal direction on the incubation unit 20, thereby making full use of the space above the incubation unit 20 and not increasing the space occupied by the analyzer in the horizontal direction.

[0044] Further, the reagent cartridge storage unit 30 is formed with a reagent cartridge inlet and outlet 33 connected to the inside of the reagent cartridge chamber 31 at the top structure corresponding to each reagent cartridge chamber 31, and the reagent cartridge 90 is loaded and unloaded through the reagent cartridge inlet and outlet 33. Specifically, by opening the reagent cartridge inlet and outlet 33 at the top of each reagent cartridge chamber 31 corresponding to the reagent cartridge storage unit 30, each reagent cartridge 90 can be loaded and unloaded in the vertical direction, thereby effectively reducing the occupation of the side space of the reagent cartridge storage unit 30 during the process of loading and unloading the reagent cartridge 90, and making full use of the space above the reagent cartridge storage unit 30 to reasonably increase the height of the reagent cartridge 90 in the vertical direction, thereby improving the storage capacity of the reagent cartridge 90, and effectively reducing the frequency of replacing the reagent cartridge 90 and achieving higher detection efficiency.

[0045] Furthermore, compared with the solution of the reagent cartridge storage unit 30 in which the reagent cartridge inlet and outlet 33 are opened on the side, the limiting effect of the reagent cartridge 90 can be effectively improved, and the upper end portion of the reagent cartridge 90 is exposed outside the reagent cartridge storage unit 30, so that it is more convenient for the operator to visually perform loading and unloading operations. Furthermore, the reagent cartridge storage unit 30 is formed with a reagent card outlet 32 ​​corresponding to each of the reagent cartridge compartments 31. The reagent card outlet 32 ​​of the reagent card 100 is used for the support member 43 of the reagent card scheduling unit 40 to pass through so as to separate the reagent cards 100 carried in the reagent cartridge 90 one by one.

[0046] Furthermore, the reagent card outlet 32 ​​and the incubation inlet and outlet are located on the same side. Specifically, the reagent card outlet 32 ​​and the incubation inlet and outlet are both located on the first side of the incubation member 22 , so that the reagent card scheduling unit 40 can schedule the reagent card 100 .

[0047] See also Figure 6-7 As shown, further, the reagent card scheduling unit 40 is arranged on the first side of the incubation unit 20, and can be used to transfer the reagent card 100 contained in the reagent card box 90 to the incubation chamber 21. By arranging the reagent card scheduling unit 40 on the first side of the incubation unit 20, it is convenient for the reagent card scheduling unit to transfer the reagent card 100 for sample filling, and to transfer the reagent card 100 filled with the sample to one of the incubation chambers 21 for incubation.

[0048] Furthermore, the immunoassay analyzer further includes a detection unit 80, which is used to detect the incubated reagent card 100. The detection unit 80 includes a detection chamber, and a detection inlet and outlet 81 connected to the detection chamber and located on the first side of the incubation unit 20, and the detection inlet and outlet 81 is used for the reagent card 100 to enter and exit the detection chamber.

[0049] Further, the reagent card scheduling unit 40 includes a first horizontal driving group, a second horizontal driving group and the supporting member 43. In one embodiment, the detection unit 80 is arranged on the second side of the incubation unit 20, and the first horizontal driving group can drive the supporting member 43 to move along the first horizontal direction, thereby driving the supported reagent card 100 to reach the detection inlet and outlet 81. The second horizontal driving group can drive the supporting member 43 to move along the second horizontal direction, thereby driving the supported reagent card 100 to enter the detection unit 80 for detection, and remove the reagent card 100 from the detection unit 80 after the detection is completed.

[0050] In another embodiment, the detection unit 80 is disposed above the incubation unit 20, thereby avoiding occupying the space on the side of the incubation unit 20 by utilizing the space above the incubation unit 20, thereby avoiding increasing the horizontal area of ​​the workbench 10, and thereby achieving horizontal space compression of the immunoassay analyzer, and reasonably controlling the horizontal space occupancy of the immunoassay analyzer.

[0051] In one embodiment, the immunoanalyzer includes two detection units 80 arranged along the first horizontal direction. The two detection units 80 are respectively arranged on the incubation unit 20. By providing the two detection units 80, the detection efficiency of the immunoanalyzer after amplification can be effectively improved.

[0052] In one embodiment, the detection principles of the two detection units 80 are the same. Specifically, the two detection units 80 both use fluorescence detection technology, or both use colloidal gold detection technology.

[0053] In another embodiment, the detection principles of the two detection units 80 are different. Specifically, one of the detection units 80 uses fluorescence detection technology, and the other detection unit 80 uses colloidal gold detection technology.

[0054] In other embodiments, the immunoassay analyzer may also be provided with three or more detection units 80 according to detection requirements.

[0055] The first horizontal driving group is used to drive the supporting member 43 to move along the first horizontal direction, and the second horizontal driving group is used to drive the supporting member 43 to move along the second horizontal direction. The supporting member 43 is structured to form a supporting portion 431 for supporting the reagent card 100 .

[0056] In one embodiment, the first horizontal driving group is used to drive the second horizontal driving group and the supporting member 43 to move synchronously along the first horizontal direction.

[0057] In another embodiment, the second horizontal driving group is used to drive the first horizontal driving group and the supporting member 43 to move synchronously along the second horizontal direction.

[0058] Furthermore, the reagent card scheduling unit 40 also includes a first lifting drive group, which is used to drive the supporting member 43 to perform lifting movements, thereby driving the reagent card 100 it carries to rise and fall, or driving the supporting part 431 to limit or release the target reagent card 100.

[0059] In one embodiment, the first lifting drive group is disposed at the output end of the first horizontal drive group, the second horizontal drive group is disposed at the output end of the first lifting drive group, and the supporting member 43 is disposed at the output end of the second horizontal drive group.

[0060] Furthermore, the supporting member 43 has a first supporting position and a second supporting position along the second horizontal direction under the drive of the second horizontal driving group. The reagent card scheduling unit 40 also includes a reagent card transfer box 45, which is used to accommodate the reagent card 100 being transferred, so as to limit and protect the reagent card 100 to prevent the reagent card 100 from falling during high-speed transfer.

[0061] Furthermore, the reagent card transfer box 45 is arranged at the output end of the first lifting drive group and moves synchronously with the second horizontal drive group. When the supporting member 43 is in the first supporting position, the supporting portion 431 extends out of the reagent card transfer box 45. When the supporting member 43 is in the second supporting position, the supporting portion 431 retracts the reagent card transfer box 45.

[0062] In one embodiment, the supporting member 43 is provided with a first convex portion 432 and a second convex portion 433, and the first convex portion 432 and the second convex portion 433 are arranged at a certain distance to form the supporting portion 431. Further, the first convex portion 432 is closer to the incubation unit 20 along the second horizontal direction. The first convex portion 432 is used to limit the supported reagent card 100 during the process of transferring the reagent card 100 from the accommodating cavity 93, the incubation chamber 21, or the detection chamber to the accommodating chamber 453.

[0063] The second protrusion 433 is used to limit the position of the reagent card 100 when the reagent card 100 is transferred from the accommodating chamber 453 to the incubation chamber 21 or the detection chamber, or is discarded. Further, the distance between the first protrusion 432 and the second protrusion 433 is greater than the corresponding length of the reagent card 100 along the length direction, so that the reagent card 100 can be supported by the supporting portion 431 along its length direction.

[0064] Furthermore, the reagent card transfer box 45 includes a base 451 and a cover 452, the cover 452 is covered on the base 451 and cooperates with the base 451 to form a accommodating chamber 453, and the reagent card 100 is accommodated in the accommodating chamber 453 during the transfer process, thereby achieving the limitation and protection of the reagent card 100, thereby achieving high-speed transfer of the reagent card 100, and further improving the transfer efficiency of the reagent card 100.

[0065] Furthermore, the accommodating chamber 453 is provided with a reagent card inlet and outlet 4531 toward the first side of the incubation unit 20, and the reagent card inlet and outlet 4531 is used for the supporting member 43 to extend out of the accommodating chamber 453 or to retract into the accommodating chamber 453. The supporting member 43 extending out of the accommodating chamber 453 can be used to transfer the reagent card 100 taken by the supporting member to the incubation chamber 21, or to the detection chamber, or to discard the reagent card 100 after the detection.

[0066] The supporting member 43 returned to the accommodating chamber 453 can be used to pick up a reagent card 100 from the reagent card box 90, or pick up a reagent card 100 that has been incubated from the incubation chamber 21, or pick up a reagent card 100 that has been tested from the testing chamber.

[0067] Furthermore, a first sensor 4511 is disposed on the base 451 , and the first sensor 4511 is used to detect whether the reagent card 100 held by the supporting member 43 has reached a designated position.

[0068] Furthermore, an elastic structure 4532 is provided on one of the inner side walls of the accommodating bin 453 along the second horizontal direction. During the process of accommodating the reagent card 100 in the accommodating bin 453, the elastic structure 4532 will push the reagent card 100 so that the reagent card 100 is accommodated in a designated position in the accommodating bin 453, thereby facilitating the first sensor 4511 to detect whether the reagent card 100 has reached the designated position.

[0069] Furthermore, the cover plate 452 is provided with a sample filling hole 4521. When a reagent card 100 is received in a designated position in the accommodating chamber 453, the sample filling hole 4521 corresponds to the sample filling area on the reagent card 100, so as to facilitate sample filling.

[0070] In one embodiment, the supporting member 43 further includes a rack portion 434, and the rack portion 434 is located on the opposite side or adjacent side of the supporting member 431. The second horizontal drive group includes a second horizontal slide rail 421, a second horizontal drive device 422, a second driving gear 423, and a second horizontal slide 424. The reagent card scheduling unit 40 includes a second mounting plate 46. The second mounting plate 46 is mounted on the output end of the first lifting drive group, the second horizontal slide rail 421 and the second horizontal drive device 422 are respectively mounted on the second mounting plate 46, the second horizontal slide rail 421 is arranged along the second horizontal direction, the second horizontal slide 424 is slidably arranged on the second horizontal slide rail 421, and the second horizontal slide 424 is connected to the supporting member 43, and the second driving gear 423 is rotatably connected to the output end of the second horizontal drive device 422 and meshes with the rack portion 434.

[0071] Under the guiding and limiting action of the second horizontal slide rail 421 and the second horizontal slide seat 424 , and driven by the second horizontal driving device 422 through the second driving gear 423 , the supporting member 43 can stably switch between the first supporting position and the second supporting position.

[0072] Furthermore, the second horizontal slide 424 can also be a guide sleeve, and the second horizontal slide rail 421 is a guide rod adapted to the guide sleeve. Furthermore, the second mounting plate 46 is also provided with a second sensor 461, and the second sensor 461 is used to detect whether the supporting member 43 moves to the second picking position.

[0073] Furthermore, the second driving gear 423 is located below the reagent transfer box 45 and close to the reagent card inlet and outlet 4531 , so that the supporting member 43 located at the first taking position can be more stable under the support of the second driving gear 423 .

[0074] In one embodiment, the first lifting drive group includes a first vertical slide 441, a first vertical slide 442, and a first lifting drive device 443. The reagent card scheduling unit 40 also includes a first mounting plate 47. The first mounting plate 47 is arranged at the output end of the first horizontal drive group. The first vertical slide 441 and the first lifting drive device 443 are respectively mounted on the first mounting plate 47, the first vertical slide 442 is slidably arranged on the first vertical slide 441, and the first vertical slide 442 is also connected to the second mounting plate 46 and the output end of the first lifting drive device 443. The first lifting drive device 443 drives the first vertical slide 442 to move along the first vertical slide 441 to drive the second mounting plate 46 to rise and fall synchronously, thereby driving the second horizontal drive group to rise and fall synchronously.

[0075] In one embodiment, the first lifting drive device 443 is a motor, the output end of the motor is connected to a screw rod 62, and the screw rod 62 is threadedly connected to the first vertical slide 442. The motor drives the screw rod 62 to rotate and drives the first vertical slide 442 to move along the first vertical slide rail 441.

[0076] In another embodiment, the first lifting drive device 443 is an electric push rod, and the output end of the electric push rod is connected to the first vertical slide 442. The electric push rod drives the first vertical slide 442 to move along the first vertical slide rail 441.

[0077] In other embodiments, the first lifting drive device 443 may also be a cylinder, and the output end of the cylinder is connected to the first vertical slide 442. The cylinder drives the first vertical slide 442 to move along the first vertical slide rail 441.

[0078] Furthermore, in one embodiment, the first vertical slide rail 441 is arranged on the first side of the first mounting plate 47 along the vertical direction, and the first lifting drive device 443 is installed on the second side of the first mounting plate 47, and the first side and the second side are opposite sides of the first mounting plate 47, so that the first lifting drive device 443 is more stable when driving the second horizontal drive group, the carrier 43, and the reagent card transfer box 45. At the same time, by installing the first lifting drive device 443 on the second side, the space on the second side of the first mounting plate 47 can also be effectively utilized.

[0079] The first horizontal driving group includes a first horizontal slide rail 411, a first horizontal driving device 412, and a first horizontal slide seat 414. The first horizontal slide rail 411 and the first horizontal driving device 412 are respectively installed on the workbench 10, and the first horizontal slide rail 411 is arranged along the first horizontal direction, and the first horizontal slide seat 414 is slidably arranged on the first horizontal slide rail 411.

[0080] Under the guiding and limiting action of the first smooth rail and the first horizontal slide 414, the first horizontal drive device 412 can drive the first lifting drive group, the second horizontal drive group, the first mounting plate 47, and the second mounting plate 46 to move synchronously and stably along the first horizontal direction.

[0081] Please refer to Figure 2-4 As shown, a reagent card discarding structure 25 is further provided on the second side of the incubation unit 20, and the reagent card discarding structure 25 includes a first guide plate 251, a second guide plate 252 and a third guide plate 253. The second guide plate 252 is inclined at a first angle relative to the horizontal plane and connected between the first guide plate 251 and the third guide plate 253, and the second guide plate 252, the first guide plate 251 and the third guide plate 253 are structured to form a discarding channel, and the reagent card 100 is discarded along the discarding channel.

[0082] The first guide plate 251 is connected to the left side of the second guide plate 252 along the first horizontal direction, and the third guide plate 253 is connected to the right side of the second guide plate 252 along the first horizontal direction.

[0083] The first guide plate 251 includes a first guide plate portion 2511 and a first limit plate portion 2512 connected to each other along the second horizontal direction, and the first guide plate portion 2511 is close to the reagent card dispatching unit 40. Therefore, when the supporting member 43 transfers the reagent card 100 from the first guide plate portion 2511 to the first limit plate portion 2512, the reagent card 100 will be offset toward the third limit plate portion 2533 under the action of the first guide plate portion 2511.

[0084] The width of the second guide plate 252 along the first horizontal direction is smaller than the width corresponding to the width direction of the reagent card 100. When the supporting member 43 moves downward under the drive of the first lifting drive group, the reagent card 100 will move toward the third guide plate 253. The third guide plate 253 includes a third connecting plate portion 2531, a third guide plate portion 2532, and two third limiting plate portions 2533. The third connecting plate portion 2531 is connected between the second guide plate 252 and the third guide plate portion 2532 along the vertical direction. The two third limiting plate portions 2533 are arranged opposite to each other along the second horizontal direction and are connected to the third guide plate portion 2532 respectively.

[0085] Furthermore, the third guide plate portion 2532 is inclined at a second angle relative to the horizontal plane. Preferably, the second angle is greater than the first angle, so that the discarded reagent card 100 can fall downward more smoothly.

[0086] Please refer to Figure 1-7 As shown, in one embodiment, the working process of the supporting member 43 is as follows: under the driving of the first horizontal driving group, the supporting member 43 moves to the target reagent cartridge 90;

[0087] Then, under the drive of the second horizontal driving group, the supporting member 43 moves from the second supporting position to the first supporting position, and at this time, the supporting portion 431 is located in the moving channel of the supporting member 43 of the target reagent cartridge 90;

[0088] Then, under the driving of the first lifting drive group, the supporting member 43 moves upward by a certain height so that the target reagent card 100 located at the bottom layer of the accommodating cavity 93 of the reagent cartridge 90 is confined in the supporting portion 431;

[0089] Then, under the drive of the second horizontal driving group, the supporting member 43 moves from the first supporting position to the second supporting position. At this time, the supporting portion 431 and the supported target reagent card 100 are both located in the accommodating compartment 453.

[0090] Then, under the driving of the first lifting drive group, the supporting member 43 and the target reagent card 100 supported by it move downward to a certain height;

[0091] Then, under the drive of the first horizontal driving group, the supporting member 43 drives the supported target reagent card 100 to move to the sample filling position to fill the sample;

[0092] Then, under the drive of the first horizontal driving group, the supporting member 43 moves along the first horizontal direction to the outside of the target incubation chamber 21;

[0093] Then, driven by the second horizontal driving group, the supporting member 43 moves again from the second supporting position to the first supporting position. At this time, the supporting portion 431 is located at the bottom of the target incubation chamber 21, and the target reagent card 100 is incubated in the target incubation chamber 21.

[0094] Then, under the driving of the first lifting drive group, the supporting member 43 moves downward to a certain height so that the supporting portion 431 no longer limits the target reagent card 100;

[0095] Then, driven by the second horizontal driving group, the supporting member 43 moves from the first picking position to the second picking position, at which time the supporting member 43 is retracted into the accommodating chamber 453; after the target reagent card 100 is incubated, driven by the second horizontal driving group, the supporting member 43 moves again from the second picking position to the first picking position;

[0096] Then, under the driving of the first lifting drive group, the supporting member 43 moves upward to a certain height so that the supporting portion 431 supports and limits the target reagent card 100;

[0097] Then, driven by the first lifting drive group, the finished product moves again from the first picking position to the second picking position. At this time, the incubated target reagent card 100 moves from the incubation chamber 21 to the accommodating chamber 453.

[0098] Then, at least under the cooperation of the first lifting drive group, or the first lifting drive group and the first horizontal drive group, the supporting member 43 drives the supported target reagent card 100 to move to the outside of the detection chamber;

[0099] Then, driven by the second horizontal driving group, the supporting member 43 moves from the second supporting position to the first supporting position. At this time, the supporting portion 431 and the reagent card 100 carried by the supporting portion 431 move into the detection chamber, and the detection unit 80 detects the reagent card 100 to obtain the detection result.

[0100] After the test is completed, the support member 43 moves from the first holding position to the second holding position under the drive of the second horizontal drive group. At this time, the reagent card 100 after the test is completed moves into the receiving groove again along with the support member 43.

[0101] Then, at least under the cooperation of the first horizontal driving group, or the first lifting driving group and the first horizontal driving group, the supporting member 43 drives the supported reagent card 100 to move to the reagent card discarding structure 25;

[0102] Then, driven by the second horizontal driving group, the finished mail moves from the second picking position to the first picking position, and during this process, the reagent card 100 supported by it falls into the discard channel;

[0103] Then, after the reagent card 100 is discarded, the supporting member 43 is driven by the second horizontal driving group to move from the first supporting position to the second supporting position.

[0104] Please refer to Figure 1 As shown, the immunoassay analyzer further comprises a sample delivery module 50 and a sample filling unit 60. The sample filling unit 60 can be used to fill the sample delivered by the sample delivery module 50 into the reagent card 100.

[0105] See also Figure 8-9 As shown, the sample transport module 50 is used to transport the sample rack 200 carrying the sample container 210 along the first horizontal direction, wherein the sample container 210 contains the sample.

[0106] In one embodiment, the sample rack 200 can carry a plurality of sample containers 210, each sample container 210 can contain a type of sample, or some of the sample containers 210 can contain a type of sample, or all the sample containers 210 on the sample rack 200 can contain samples of the same type. Specifically, the number of sample containers 210 placed on a sample rack 200 and the type of sample contained in each sample container 210 can be selected according to the detection requirements.

[0107] Furthermore, the sample transport module 50 includes an injection channel 51, a sampling channel 52 and a sample rack separation mechanism 53. The sample rack separation mechanism 53 is used to separate two adjacent sample racks 200 on the injection channel 51 and the sampling channel 52, so as to avoid the sample rack 200 that may reciprocate along the first horizontal direction on the sampling channel 52 from colliding with the sample rack 200 located on the injection channel 51.

[0108] In one embodiment, the injection channel 51 and the sampling channel 52 are connected to each other, and the sample rack 200 on the injection channel 51 moves along the first horizontal direction, and the sample rack 200 on the sampling channel 52 also moves along the first horizontal direction.

[0109] In another embodiment, the injection channel 51 and the sampling channel 52 are connected to each other, the sample rack 200 on the injection channel 51 moves along the second horizontal direction, and the sample rack 200 on the sampling channel 52 moves along the first horizontal direction.

[0110] Further, the sampling channel 51 includes a first sample rack inlet end 512 and a first sample rack outlet end 513. The sampling channel 52 includes a second sample rack inlet end 521 and a second sample rack outlet end 522. The first sample rack outlet end 513 is in communication with the second sample rack inlet end 521.

[0111] Along the second horizontal direction, the first sample rack output end 513 is closer to the incubation unit 20 than the first sample rack entrance end 512 , so that it is convenient for an operator to load the sample rack 200 onto the injection channel 51 from the first sample rack entrance end 512 .

[0112] The sample transport module 50 further includes an injection drive mechanism, a sampling drive mechanism, an injection support plate 56, and a sampling support plate 57. The injection support plate 56 is configured to form the injection channel 51, and the sampling support plate 57 is configured to form the sampling channel 52. The injection drive mechanism is used to drive a plurality of sample racks 200 to move synchronously along the second horizontal direction on the injection channel 51 toward the first sample output end until a sample rack 200 located at the front end moves to the sampling channel 52.

[0113] In one embodiment, the sample transport module 50 further includes a third mounting plate 48. The injection drive mechanism includes an injection drive device 541, a third horizontal slide rail 542, a third horizontal slide seat 543, an injection push plate 544, and an injection push piece 545. The third horizontal slide rail 542 and the injection drive device 541 are respectively arranged on the third mounting plate 48, and the third horizontal slide rail 542 is arranged along the second horizontal direction, the third horizontal slide seat 543 is slidably connected to the third horizontal slide rail 542, the injection push plate 544 is arranged on the third horizontal slide seat 543, and can move synchronously with the third horizontal slide seat 543, and the injection push piece 545 is installed on the injection push plate 544.

[0114] The output end of the injection drive device 541 is connected to the third horizontal slide 543. Driven by the injection drive device 541, the third horizontal slide 543 moves along the second horizontal direction on the third horizontal slide rail 542 to transport multiple sample racks 200 one by one to the sampling track.

[0115] In one embodiment, the third mounting plate 48 and the injection drive mechanism are respectively arranged below the injection support plate 56. In the second horizontal direction, the two ends of the injection push plate 544 are respectively provided with an injection pusher 545, and the injection pusher 545 includes an injection pusher 5451. The two injection pushers 5451 are respectively located in the injection channel 51 and are used to contact the sample rack 200 located on the injection channel 51, so that the sample rack 200 on the injection channel 51 is pushed toward the first sample rack output end 513 when the injection drive device 541 drives the sample rack 200 to descend.

[0116] Further, in a more specific embodiment, a third driving gear 546 is provided at the output end of the injection drive device 541, and a third driven gear 547 is also provided on the third mounting plate 48 near the first sample rack output end 513 along the second horizontal direction. A transmission belt 548 is sleeved between the third driving gear 546 and the third driven gear 547, and the third horizontal slide 543 is connected to the transmission belt 548. The sampling support plate 57 includes a limit stop 571, and the limit stop 571 is used to limit the sample rack 200 reciprocating on the sampling channel 52 to prevent the sample rack 200 from falling.

[0117] The limit stopper 571 is provided with a sample container 210 detection sensor 572 , and the sample container 210 detection sensor 572 is used to detect the sample container 210 carried on the sample rack 200 moving on the sampling channel 52 to confirm whether there is a sample container 210 on the sample rack 200 .

[0118] In one embodiment, the sample transport module 50 further includes a fourth mounting plate 58. The sampling drive mechanism includes a sampling drive device 551, a fourth horizontal slide rail, a fourth horizontal slide seat 553, and a sample rack clamp 554. The fourth horizontal slide rail is mounted on the fourth mounting plate 58 along the first horizontal direction, the fourth horizontal slide seat 553 is slidably connected to the fourth horizontal slide rail, the sample rack clamp 554 is disposed on the fourth horizontal slide seat 553, the sampling drive device 551 is mounted on the fourth mounting plate 58, and can drive the sample rack clamp 554 to move along the first horizontal direction to drive the sample rack 200 carried by it on the sampling channel 52, so that the sample filling unit 60 can take the sample contained in the sample container 210 carried on the sample rack 200.

[0119] Furthermore, the sample transport module 50 further includes a fifth mounting plate 591, a recovery support plate 592, and a recovery drive mechanism. A recovery channel 594 is formed on the recovery support plate 592, and the recovery channel 594 is connected to the second sample rack output end 522, and is used for the sample rack 200 to move after sampling so as to recover the sample rack 200. The recovery drive mechanism is disposed on the fifth mounting plate 591 and is located below the recovery support plate 592.

[0120] Furthermore, the recovery drive mechanism includes a recovery drive device 5931, a fifth horizontal slide, a fifth horizontal slide, a recovery push plate 5934, and a recovery hook 5935. The fifth horizontal slide is arranged on the fifth mounting plate 591 along the second horizontal direction, the fifth horizontal slide is slidably arranged on the fifth horizontal slide, the recovery push plate 5934 is installed on the fifth horizontal slide and can move synchronously with the fifth horizontal slide, and the recovery hook 5935 is installed on the recovery push plate 5934, and is used to hook the sample rack 200 after sampling from the second sample rack output end 522, and transfer it along the recovery channel 594 under the drive of the recovery drive mechanism.

[0121] Further, the recovery hook member 5935 has a hooking position and an avoidance position. The recovery support plate 592 is connected to the sampling support plate 57, and a hook member movement channel 5921 is formed along the second horizontal direction corresponding to the recovery hook member 5935 structure. When the recovery hook member 5935 is in the hooking position, the recovery hook member 5935 at least partially passes through the hook member movement channel 5921 and is located in the recovery channel 594. At this time, the recovery hook member 5935 can hook the sample rack 200 located at the second sample rack output end 522, and transfer the sample rack 200 to the recovery channel 594 under the drive of the recovery drive device 5931. When the recovery hook member is in the avoidance position, the recovery hook member 5935 does not extend out of the hook member movement channel 5921.

[0122] In one embodiment, two hook member movement channels 5921 are formed between the recovery support plate 592 and the sampling support plate 57 , and a recovery hook member 5935 is provided on the recovery push plate 5934 corresponding to each hook member movement channel 5921 .

[0123] The sample rack separation mechanism 53 comprises a separation drive device 531, a push plate 532, a hook 533 and a reset member 534. The push plate 532 is disposed at the output end of the separation drive device 531, and the hook 533 is rotatably disposed on the push plate 532 and has a hooking position and a retracting position.

[0124] The injection channel 51 is provided with a clearance hole 511 corresponding to the hook 533. When the hook 533 is in the hooking position, at least a portion of the hook 533 can extend out of the clearance hole 511 and be located in the injection channel 51. At this time, the hook 533 can hook the bottom of the sample rack 200 located in the injection channel 51, and under the drive of the separation drive device 531, the hook 533 moves synchronously with the push plate 532 toward the direction close to the first sample rack entrance end 512, so as to separate the hooked sample rack 200 from another adjacent sample rack 200 transported to the sampling channel 52 by a certain distance.

[0125] When the hook member 533 is in the retracted position, the hook member 533 rotates a certain angle and retracts to the bottom of the injection channel 51, so that the injection drive mechanism drives the sample rack 200 to move toward the second sample rack entrance end 521. Further, the reset member 534 is used to drive the hook member 533 to rotate from the retracted position to the hooking position.

[0126] In one embodiment, the injection support plate 56 is structured with two said giving way holes 511. The pushing plate 532 includes a first sub-plate 5321 and two second sub-plates 5322, wherein the first sub-plate 5321 is connected to the output end of the separation driving device 531, and the two second sub-plates 5322 are arranged at both ends of the first sub-plate 5321 along the first horizontal direction.

[0127] Furthermore, each of the second sub-plates 5322 is provided with a hook member 533 and a reset member 534. One hook member 533 is provided corresponding to one of the clearance holes 511. When the hook member 533 is in the hooking position, the two hook members 533 are at least partially extended out of the corresponding clearance holes 511, and are at least partially located in the injection channel 51, so as to hook the sample rack 200 on the injection channel 51 that is adjacent to the sample rack 200 on the sampling channel 52.

[0128] In one embodiment, a limiting member 5323 for limiting the hook member 533 is provided on the second sub-plate 5322. When the hook member 533 is in the hooking position, the limiting member 5323 limits the hook member 533 so that the hook member is kept in the hooking position under the action of the reset member 534.

[0129] In one embodiment, the reset member 534 is an elastic reset member. The second sub-plate 5322 has a first connection portion 53221, the hook member 533 has a second connection portion 5331, and the elastic reset member is connected between the first connection portion 53221 and the second connection portion 5331. Furthermore, when the hook member 533 is in the hooking position, the elastic reset member applies a force to the hook member 533 so that the hook member 533 at least partially extends out of the injection channel 51 and abuts against the positioning member. When the hook member 533 is in the retracted position, the hook member 533 gradually retreats to the bottom of the injection support plate 56 under the limitation of the injection support plate 56 and gradually stretches or compresses the elastic reset member.

[0130] In another embodiment, the reset member 534 may also be a gravity reset member, which can drive the hook member 533 to move to the hooking position by its gravity, and maintain the hooking position under the action of the limit member 5323. The gravity reset member may be an integrated structure with the hook member 533; or the gravity reset member may be movably connected to the hook member 533, such as hinged or locked.

[0131] By providing the reset member 534, the hook member 533 can be driven to switch between the hook position and the retreat position under the action of the separation drive device 531. Thus, the separation drive device 531 is cleverly used to cooperate with the reset member 534 to realize the position state switching of the hook member 533. Therefore, there is no need to provide a power drive device dedicated to driving the hook member 533 to switch between the hook position and the retreat position, thereby simplifying the structure and control program of the sample rack separation mechanism 53, and thereby effectively reducing the cost of the sample rack separation mechanism 53.

[0132] Furthermore, an optical coupling baffle 53211 is further provided on the first sub-plate 5321, and a slot-type optical coupling 5311 matched with the optical coupling baffle 53211 is further provided on the separation driving device 531, and the slot-type optical coupling 5311 and the optical coupling baffle 53211 are used to detect the movement of the hook member 533 in the hooking position driven by the separation driving device 531. When the slot-type optical coupling 5311 detects the optical coupling baffle 53211, the separation driving device 531 stops driving the push plate 532 to move, and at this time, the hook member 533 separates the target sample rack 200 from the adjacent sample rack 200 on the sampling track to a preset distance.

[0133] The movement process of the sample rack 200 on the sample transport module 50 is as follows:

[0134] First, a plurality of sample racks 200 are placed on the injection channel 51; then, the injection drive device 541 drives the plurality of sample racks 200 to move toward the sampling track until the sample rack 200 located at the front moves to the second sample rack entrance end 521 of the sampling channel 52; then, the sample rack separation mechanism 53 separates the sample rack 200 on the injection channel 51 from the sample rack 200 on the sampling channel 52, and at the same time, the sample rack clamp 554 clamps the separated sample rack 200 located at the second sample rack entrance end 521; then, the sampling drive mechanism drives the sample rack 200 to move on the sampling channel 52, and samples are taken through the sample filling unit 60; after completing the sampling of all sample containers 210 carried by the sample rack 200, the sampling drive mechanism drives the sample rack 200 to move to the second sample rack output end 522; then, the recovery drive mechanism drives the sample rack 200 to be transferred from the second sample rack output end 522 to the recovery channel 594.

[0135] See also Figure 10-11 As shown, further, after the sample filling unit 60 takes the sample from the sample container 210 carried by the sample rack 200 on the sampling channel 52, the sample filling unit 60 can move along the second horizontal direction and fill the taken sample into the reagent card 100 located at the sample filling position.

[0136] Furthermore, the sample filling unit 60 includes a pumping drive device 61, a screw rod 62, a nut 63 and a plunger 64. One end of the screw rod 62 is connected to the pumping drive device 61, the nut 63 is sleeved on the screw rod 62, and the plunger 64 includes a plug rod 641 and a plug body 642, and one end of the plug rod 641 extending out of the plug body 642 is connected to the nut 63.

[0137] The extraction and release driving device 61 drives the screw rod 62 to rotate forwardly so that the nut 63 moves toward the direction close to the extraction and release driving device 61, and the movement of the nut 63 drives the plug rod 641 to move synchronously so that the plunger 64 can aspirate the sample in the sample container 210. The extraction and release driving device 61 drives the screw rod 62 to rotate reversely so that the nut 63 moves toward the direction away from the extraction and release driving device 61, and the movement of the nut 63 drives the plug rod 641 to move synchronously so that the plunger 64 can expel the aspirated sample.

[0138] By extending one end of the plug rod 641 out of the plug body 642 and directly connecting it to the nut 63, it is avoided to set up a dedicated transmission block to install the nut 63 and connect the plug rod 641, so that the overall size of the sample filling unit 60 can be effectively compressed, the space utilization rate can be improved, the assembly steps of the sample filling unit 60 can be simplified, the assembly efficiency can be improved, and the production cost can be reasonably controlled.

[0139] Furthermore, the sample filling unit 60 includes a mounting seat 65, a mounting cavity 651 is formed in the mounting seat 65, the screw rod 62 and the nut 63 are arranged in the mounting cavity 651, the plunger 64 is at least partially arranged in the mounting cavity 651, the pumping and releasing drive device 61 is installed on the outside of the mounting seat 65, and the output end of the pumping and releasing drive device 61 passes through the mounting seat 65 and is connected to the screw rod 62.

[0140] Furthermore, the sample filling unit 60 also includes a guide rod 66, which is parallel to the screw rod 62, wherein the nut 63 is provided with a guide hole 631 adapted to the guide rod 66, the guide rod 66 passes through the guide hole 631, and both ends of the guide rod 66 are fixed in the mounting cavity 651.

[0141] In a first embodiment, the guide rod 66 is located between the screw rod 62 and the plug rod 641 ; or, the plug rod 641 is located between the guide rod 66 and the screw rod 62 .

[0142] In the second embodiment, the screw rod 62 is located between the plug rod 641 and the guide rod 66, so that when the extraction and discharge drive device 61 drives the screw rod 62 to rotate, the guide rod 66 and the plug rod 641 respectively react to the screw rod 62 through the nut 63 to make the force more balanced, so that the extraction and discharge drive device 61 drives the screw rod 62 to drive the nut 63 to move to achieve the suction and discharge of the sample. By setting the guide rod 66 to cooperate with the guide hole 631 on the nut 63, the extraction and discharge process of the extraction and discharge drive device 61 when driving the screw rod 62 to rotate and drive the nut 63 and the plug rod 641 to move can be smoother, thereby improving the suction and discharge efficiency.

[0143] In one embodiment, a pipette head needs to be loaded at the suction head 6421 of the plug body 642 for sample transfer. Since the pipette head is a disposable consumable 310, after each sample transfer, the current pipette head needs to be unloaded and a new pipette head needs to be reloaded. Furthermore, the sample filling unit 60 also includes a push post 671, a push post reset member 672 and an unloading push member 673. The push post 671 is passed through the mounting seat 65, and the first end of the push post 671 is located in the mounting cavity 651, and the second end of the push post 671 is connected to the unloading push member 673, and the unloading push member 673 is sleeved on the outside of the plug body 642, and can move synchronously with the push post 671 to unload the pipette head loaded at the suction head 6421.

[0144] Further, the push post 671 has a loading position and an unloading position. The push post reset member 672 is sleeved on the push post 671 and is used to drive the push post 671 to reset to the loading position. When the pipetting head needs to be unloaded, the extraction and release driving device 61 drives the screw rod 62 to rotate and drive the nut 63 to move toward the first end of the push post 671 until the nut 63 pushes the push post 671 and the unloading push member 673 to move synchronously until the pipetting head is unloaded. In this process, the push post reset member 672 is gradually compressed. After completing the unloading of the target pipetting head, the extraction and release driving device 61 drives the screw rod 62 to rotate in the opposite direction to drive the nut 63 to move in the direction close to the extraction and release driving device 61. In this process, the push post reset member 672 gradually drives the push post 671 to reset the unloading push member 673.

[0145] Furthermore, the push column 671 is also connected to an unloading sensor sheet 6711, and a matching unloading sensor 652 is provided in the mounting cavity 651 corresponding to the unloading sensor sheet 6711. When the target pipette head is unloaded, the unloading sensor sheet 6711 is separated from the unloading sensor 652. When a new pipette head is reloaded, the unloading sensor sheet 6711 moves with the push column 671 into the detection area of ​​the unloading sensor 652.

[0146] Furthermore, a liquid transfer sensing part 632 is provided on the nut 63, and a liquid transfer sensor 653 is also provided in the mounting cavity 651. The liquid transfer sensor 653 corresponds to the liquid transfer sensing part 632, and when the plug rod 641 moves with the nut 63 in a direction close to the pumping and releasing driving device 61 to aspirate liquid, the liquid transfer sensing part 632 will leave the liquid transfer sensor. When the plug rod 641 moves with the nut 63 in a direction away from the pumping and releasing driving device 61 to complete the liquid discharge, the liquid transfer sensing part 632 will be sensed by the liquid transfer sensor 653 again.

[0147] Furthermore, the sample filling unit 60 further includes an air pressure sensor 654, which is connected to the inside of the suction head 6421 through a pipeline, and is used to detect the pressure inside the suction head 6421. When the air pressure sensor 654 detects that the pressure inside the suction head 6421 reaches the liquid aspiration requirement, the extraction and release driving device 61 will drive the screw rod 62 to rotate and drive the nut 63 to move in a direction close to the extraction and release driving device 61, so that the plug rod 641 moves synchronously so that the pipette head absorbs the sample from the sample container 210.

[0148] Furthermore, the sample filling unit 60 further includes a third horizontal drive group 68 and a second lifting drive group 69. The second lifting drive group 69 is used to drive the mounting seat 65 to move in the vertical direction, so that the mounting seat 65 is lifted and lowered to drive the pipetting head to lift and lower synchronously, so that the pipetting head can enter and exit the sample container 210 for sampling, and move to the reagent card 100 for dispensing. The third horizontal drive group 68 is used to drive the mounting seat 65 to move along the second horizontal direction, so that the mounting seat 65 drives the pipetting head to move synchronously along the second horizontal direction, thereby realizing the transfer of the sample along the second horizontal direction.

[0149] See also Fig.12 Combined with Figure 1 As shown, further, the immunoassay analyzer further includes a consumable supply unit 70 disposed between the reagent card scheduling unit 40 and the sample filling unit 60. The consumable supply unit 70 is used to supply consumables 310 required for detection. Further, the consumable supply unit 70 carries a consumable container 300, and the consumable container 300 carries the consumable 310.

[0150] In one embodiment, the consumable supply unit 70 can move between the initial position of the consumable 310 and the consumable loading position along the first horizontal direction. When the consumable supply unit 70 is at the initial position of the consumable 310, the consumable supply unit 70 is visibly located on the workbench 10, so that the operator can intuitively observe and judge the consumption of the consumable 310.

[0151] Furthermore, the consumable container 300 can be loaded and unloaded in the vertical direction. Specifically, in this embodiment, by loading and unloading the consumable container 300 in the vertical direction, the space above the consumable supply unit 70 can be fully utilized, thereby reducing the requirements of the immunoanalyzer on its side space, and further effectively reducing the occupation of the side space of the immunoanalyzer during installation and use. When the consumable supply unit 70 is in the consumable loading position, the sample filling unit 60 can load the consumable 310.

[0152] Furthermore, the consumable supply unit 70 includes a consumable 310 transfer drive group and a consumable support seat, and the consumable 310 transfer drive group is used to drive the consumable support seat to move between the consumable 310 initial position and the consumable loading position.

[0153] In one embodiment, the consumable supply unit 70 includes a first consumable storage area 71 and a second consumable storage area 72 arranged along the first horizontal direction. The consumable support seat is formed with the first consumable storage area 71 and the second consumable storage area 72. The first consumable storage area 71 is used to store the pipetting head, which may be a TIP head. The second consumable storage area 72 is used to store a reaction container 400 containing reagents, which may be a microplate.

[0154] Further, the consumables loading position includes a first sub-consumables loading position and a second sub-consumables loading position. When the consumables supply unit 70 is at the first sub-consumables loading position, the sample filling unit 60 can load a pipette head from the first sub-consumables loading position. When the consumables supply unit 70 is at the second sub-consumables loading position, the sample filling unit 60 can fill the sucked sample into the reaction container 400.

[0155] In another embodiment, the second consumable material storage area 72 is used to store a dilution plate 600, and the dilution plate 600 is structured to form a plurality of dilution positions 610, and each dilution position 610 can be used to dilute a sample. Furthermore, the consumable material support seat is also structured to form a third consumable material storage area 73, and the third consumable material storage area 73 can be used to store a diluent container 700 containing a diluent.

[0156] The consumable loading position also includes a third sub-consumable loading position. When the consumable supply unit 70 is at the third sub-consumable loading position, the sample filling unit 60 can absorb the diluent from the diluent container 700 at the third sub-consumable loading position, and fill the absorbed diluent into the dilution position 610, and fill the sample to be diluted into the dilution position 610.

[0157] Furthermore, the sample filling unit 60 also has a suction and exhalation mixing function. In order to perform multiple suction and exhalation of the mixture of the sample and the diluent, the mixture is evenly mixed. Furthermore, for the test items that require the sample to be first filled into the microplate for the first sample and reagent mixing incubation, after the sample is filled into a microwell of the microplate, the sample filling unit 60 controls the plunger 64 to perform multiple suction and exhalation of the sample and reagent in the microwell, thereby achieving a mixing process of the sample and the reagent.

[0158] Further, specifically, the working process of the sample filling unit 60 and the consumable supply unit 70 cooperating with each other is as follows;

[0159] First, the consumable 310 working unit moves to the first sub-consumable loading position; then, the sample filling unit 60 moves to the first sub-consumable loading position and loads a pipette head; then, the sample filling unit 60 moves to above the sampling channel 52; then, the second lifting drive group 69 drives the pipette head to descend and enter the target reagent container; then, the extraction and release drive device 61 drives the plunger 64 to cooperate with the pipette head to absorb the sample; after the sampling is completed, the second lifting drive group 69 drives the pipette head to leave the target reagent container; then, the third horizontal drive group 68 drives the mounting seat 65 to move and drive the pipette head to move, thereby transferring the absorbed sample Move to the second sub-consumable loading position; then, the pumping and releasing driving device 61 drives the plunger 64 to add the sucked sample into one of the micropores of the microplate; then, the pumping and releasing driving device 61 drives the plunger 64 to pump and release the sample and the reagent in the micropore to mix; after the pumping and releasing mixing is completed, the third horizontal driving group 68 drives the mounting seat 65 to move and drive the pipetting head to the consumable 310 discarding position; then, the pumping and releasing driving device 61 drives the nut 63 to push the push column 671, thereby driving the unloading pusher 673 to move synchronously through the push column 671 to push the pipetting head away from the suction head 6421, thereby completing the unloading of the pipetting head.

[0160] In some embodiments, after the mixed solution of the sample and reagent on the microplate completes the first incubation on the microplate, the extraction and release drive device 61 will again drive the plunger 64 to cooperate with the pipetting head to extract the mixed solution and transfer it to the reagent card 100; then the reagent card scheduling unit 40 transfers the reagent card 100 to the incubation chamber 21 for a second incubation.

[0161] Further, the first horizontal direction and the second horizontal direction are two different directions. In a more specific embodiment, the first horizontal direction and the second horizontal direction are two mutually perpendicular directions. Therefore, in the present application, a plurality of the incubation chambers 21 are arranged along the first horizontal direction, a plurality of the reagent cartridge chambers 31 are arranged on the incubation unit 20 along the first horizontal direction, the consumable supply unit 70 is moved along the first horizontal direction, the sample rack 200 is transported along the first horizontal direction, and the sample filling unit 60 is transferred along the second horizontal direction, so that each functional unit of the immunoanalyzer is transferred along its own straight path, thereby avoiding the irregular layout of each functional unit caused by the intricate movement path, thereby effectively improving the space utilization of the immunoanalyzer.

[0162] In addition, in the present application, the reagent cartridge 90 is loaded and unloaded in the vertical direction, and the consumable container 300 is loaded and unloaded in the vertical direction, thereby fully utilizing the space above the workbench 10 and avoiding occupying the side space of the immunoanalyzer. In the present application, when amplification is required, at least two incubation units 20 are stacked, and at least one detection unit 80 and the reagent cartridge storage unit 30 are arranged on the incubation unit 20, so that the space above the workbench 10 can be further fully utilized to achieve amplification and avoid occupying the side space of the immunoanalyzer.

[0163] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0164] In addition, it should be noted that the use of words such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above words have no special meaning and therefore cannot be understood as limiting the scope of protection of this application. The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this application shall be included in the scope of protection of this application.

Claims

1. A sample rack separation mechanism, characterized in that: Located below the injection channel (51), the injection channel (51) can be used to allow multiple sample racks (200) to move, and a clearance hole (511) is provided on the injection channel (51); The sample rack separation mechanism comprises a separation drive device (531), a push plate (532), a hook member (533) and a reset member (534), wherein the push plate (532) is arranged at the output end of the separation drive device (531), the hook member (533) is rotatably arranged on the push plate (532) and has a hooking position and a retreating position, and the reset member (534) is used to drive the hook member (533) to remain in the hooking position; When the hook member (533) is in the hooking position, under the drive of the separation drive device (531), the hook member (533) can at least partially extend out of the clearance hole (511) and hook the sample rack. When the hook member (533) is in the retracting position, the hook member (533) rotates and retracts to the bottom of the injection channel (51).

2. The sample rack separation mechanism according to claim 1, characterized in that: The push plate (532) comprises a first sub-plate (5321), and the first sub-plate (5321) is connected to the output end of the separation drive device (531); as well as Two second sub-plates (5322), the two second sub-plates (5322) are arranged at two ends of the first sub-plate (5321) along the driving direction of the separation driving device (531), and each of the second sub-plates (5322) is rotatably provided with a hook member (533).

3. The sample rack separation mechanism according to claim 2, characterized in that: Each of the second sub-plates (5322) is also provided with a limiting member (5323), and the limiting member (5323) is used to limit the hook member (533) so that the hook member (533) is kept in the hooking position under the action of the reset member (534).

4. The sample rack separation mechanism according to claim 2, characterized in that: An optical coupling baffle (53211) is provided on the first sub-board (5321), and a slot-type optical coupling (5311) adapted to the optical coupling baffle (53211) is provided on the separation drive device (531); When the hook member is in the hooking position, the slot-type optical coupler (5311) can detect the optical coupling baffle (53211).

5. The sample rack separation mechanism according to claim 1, characterized in that: The reset element (534) is an elastic reset element.

6. The sample rack separation mechanism according to claim 1, characterized in that: The reset element (534) is a gravity reset element.

7. A sample transport module, characterized in that: include: A sample injection support plate (56), wherein the sample injection support plate (56) is structured to form a sample injection channel (51), and the sample injection channel (51) can be used to allow a plurality of sample racks (200) to move; A sampling support plate (57), wherein the sampling support plate (57) is structured to form a sampling channel (52) that is in communication with the injection channel (51); A sampling drive mechanism, which can be used to drive a sample holder (200) located on the sampling channel (52) to reciprocate on the sampling channel (52); and It comprises the sample rack separation mechanism according to any one of claims 1 to 6, and the sample rack separation mechanism is used to separate adjacent sample racks (200) on the injection channel (51) and the sampling channel (52).

8. The sample delivery module according to claim 7, characterized in that: When the hook member (533) moves from the hooking position to the retracting position under the drive of the separation drive device (531), the injection support plate (56) will limit the hook member (533) so that the hook member (533) rotates and retracts to the bottom of the injection support plate (56).

9. The sample delivery module according to claim 7, characterized in that: The sample transport module further comprises a recovery support plate (592), on which a recovery channel (594) is formed, the recovery channel (594) being in communication with the sampling channel (52) and used for allowing the sample rack (200) to move after sampling is completed; as well as A recovery drive mechanism, the recovery drive mechanism is used to drive the sample rack (200) after sampling to transfer from the sampling channel (52) to the recovery channel (594).

10. An immunoassay analyzer, characterized in that: The immunoassay analyzer comprises the sample transport module according to any one of claims 7 to 9.

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