CN114966074A - Automatic sampling module and sample analyzer - Google Patents
Automatic sampling module and sample analyzer Download PDFInfo
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- CN114966074A CN114966074A CN202210580428.2A CN202210580428A CN114966074A CN 114966074 A CN114966074 A CN 114966074A CN 202210580428 A CN202210580428 A CN 202210580428A CN 114966074 A CN114966074 A CN 114966074A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
- G01N2035/0401—Sample carriers, cuvettes or reaction vessels
- G01N2035/0418—Plate elements with several rows of samples
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Abstract
The application discloses an automatic sample introduction module and a sample analyzer, wherein a support table of the automatic sample introduction module comprises a first connecting part, and the automatic sample introduction module is detachably mounted through the first connecting part; the first loading mechanism is used for moving the first test tube rack to the conveying mechanism; the second loading mechanism is used for moving the second test tube rack to the conveying mechanism; the unloading mechanism is used for unloading the first test tube rack and the second test tube rack from the conveying mechanism to the recovery mechanism; when the first loading mechanism moves the first test tube rack to the conveying mechanism, the conveying mechanism is used for moving the first test tube rack to a sampling position of the sample analyzer; before the second loading mechanism moves the second test tube rack to the conveying mechanism, the conveying mechanism is used for moving the first test tube rack out of the sampling position and moving the second test tube rack to the sampling position of the sample analyzer. The utility model provides an autoinjection module adopts the modularized design, can detachably install on sample analyzer, compact structure, and the integrated level is high, the maintenance of being convenient for.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to an automatic sample introduction module and a sample analyzer.
Background
In the field of medical devices, sample analyzers are commonly used to perform detection analysis on samples. The sample analyzer comprises an automatic sample introduction module, the automatic sample introduction module is used for conveying a sample rack provided with a plurality of sample test tubes to a detection position, automatic loading of the sample rack is achieved, and the sample rack which is detected is unloaded from the sample analyzer. In the existing sample analyzer, the automatic sample introduction module has a complex structure, low integration level and large space occupancy rate.
Disclosure of Invention
The application provides an autoinjection module and sample analyzer to solve the technical problem that the autoinjection module integration level is not high.
In order to solve the above problem, the present application provides a first technical solution: the utility model provides an automatic advance kind module, this automatic advance kind module includes brace table, conveying mechanism, first loading mechanism, second loading mechanism, retrieves mechanism and uninstallation mechanism. The supporting table is detachably arranged on the sample analyzer; the conveying mechanism is arranged on the supporting platform; the first loading mechanism is arranged on the support table and used for loading a first test tube rack and moving the first test tube rack to the conveying mechanism; the second loading mechanism is arranged on the support table and used for loading a second test tube rack and moving the second test tube rack to the conveying mechanism; the recovery mechanism is arranged on the support platform; the unloading mechanism is arranged on the support table and used for unloading the first test tube rack and the second test tube rack from the conveying mechanism to the recovery mechanism; when the first loading mechanism moves the first test tube rack to the conveying mechanism, the conveying mechanism is used for moving the first test tube rack to a sampling position of the sample analyzer so that the sample analyzer collects a first sample from the first test tube rack; before the second loading mechanism moves the second test tube rack to the conveying mechanism, the conveying mechanism is used for moving the first test tube rack out of the sampling position and moving the second test tube rack to the sampling position of the sample analyzer, so that the sample analyzer acquires a second sample from the second test tube rack.
The automatic sample introduction module is detachably arranged on the sample analyzer through the first connecting part; the first connecting portion comprises a first mounting hole, the first mounting hole is used for allowing a fixing screw to pass through, and the fixing screw is used for fastening and mounting the automatic sample introduction module.
The automatic sample introduction module also comprises an installation positioning block, and the installation positioning block is installed on the supporting table and is used for being in positioning connection with a structure in the sample analyzer; and/or the autoinjection module still includes the support column, the one end of support column is installed on the brace table, the other end of support column be used for with structure among the sample analysis appearance is connected.
Wherein, the autoinjection module further includes sweeps a yard mechanism, it sets up to sweep a yard mechanism brace table is last, be used for right first test-tube rack with the identification information of the sample test tube on the second test-tube rack is discerned.
Wherein at least one of the conveying mechanism, the first loading mechanism, the second loading mechanism, the recovery mechanism, the unloading mechanism, and the code scanning mechanism is detachably mounted on the support table.
The recovery mechanism comprises a recovery platform and a first optical coupler detector, the recovery platform is used for placing the first test tube rack and the second test tube rack, and the first optical coupler detector is used for detecting whether the recovery platform is full; and the unloading mechanism comprises an unloading push plate and a first driving motor, the first driving motor drives the unloading push plate to unload the first test tube rack or the second test tube rack which is tested by the unloading push plate from the conveying mechanism to the recovery platform through synchronous belt transmission.
The code scanning mechanism is a rotary code scanning mechanism and comprises a rack, a rotary driving motor, a clamping driving motor, a driving wheel, a friction wheel and a clamping wheel; the rotary driving motor, the clamping driving motor, the driving wheel, the friction wheel and the clamping wheel are arranged on the rack, the driving wheel is electrically connected with the rotary driving motor, the clamping wheel is connected with the clamping driving motor through a synchronous belt, and the rotary driving motor is used for driving the driving wheel to rotate and driving the friction wheel to rotate by the driving wheel; the clamping driving motor drives the clamping wheel to move towards the friction wheel by adopting synchronous belt transmission so as to clamp the sample test tube between the clamping wheel and the friction wheel and rotate along with the friction wheel.
The conveying mechanism comprises a second driving motor, a conveying belt, a second optical coupler detector and a third optical coupler detector; a plurality of stop blocks which are distributed at equal intervals are arranged on the conveying belt, and a space formed by every two adjacent stop blocks and the conveying belt in an enclosing mode is used for placing the first test tube rack or the second test tube rack; second driving motor is used for the drive the conveyer belt rotates, second opto-coupler detector is used for detecting whether first test-tube rack is in on the conveyer belt, third opto-coupler detector is used for detecting first test-tube rack or whether second test-tube rack is in uninstallation position on the conveyer belt
The conveying mechanism is used for moving the first test tube rack from the sampling position to the first loading mechanism, the second loading mechanism is used for moving the second test tube rack to the conveying mechanism, and the conveying mechanism is used for moving the second test tube rack to the sampling position.
In order to solve the above problem, the present application provides a second technical solution: the sample analyzer comprises a sampling module and the automatic sample feeding module, wherein the sampling module is used for collecting samples of the first test tube rack and/or the second test tube rack.
The application provides an autoinjection module and sample analyzer, and this autoinjection module includes brace table, conveying mechanism, first loading mechanism, second loading mechanism, retrieves mechanism and uninstallation mechanism. The automatic sample introduction module is detachably arranged on the sample analyzer through the first connecting part; the first loading mechanism is used for loading the first test tube rack and moving the first test tube rack to the conveying mechanism; the second loading mechanism is used for loading a second test tube rack and moving the second test tube rack to the conveying mechanism; the unloading mechanism is used for unloading the first test tube rack and the second test tube rack from the conveying mechanism to the recovery mechanism; when the first loading mechanism moves the first test tube rack to the conveying mechanism, the conveying mechanism is used for moving the first test tube rack to a sampling position of the sample analyzer; before the second loading mechanism moves the second test tube rack to the conveying mechanism, the conveying mechanism is used for moving the first test tube rack out of the sampling position and moving the second test tube rack to the sampling position of the sample analyzer. The utility model provides an autoinjection module adopts the modularized design, can detachably install on sample analyzer, compact structure, and the integrated level is high, the maintenance of being convenient for.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of an automatic sample injection module provided in the present application;
FIG. 2 is a schematic structural diagram of another embodiment of an autosampler module provided herein;
FIG. 3 is a schematic structural view of an embodiment of a recycling mechanism and an unloading mechanism provided herein;
FIG. 4 is a schematic structural diagram of an embodiment of a code scanning mechanism provided in the present application;
fig. 5 is a schematic structural diagram of an embodiment of a conveying mechanism provided in the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
The terms "first", "second", etc. in this application are used to distinguish between different objects and not to describe a particular order. Furthermore, the terms "include" and "provided," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
This application has at first proposed an autoinjection module, and this autoinjection module is applied to a sample analyzer, and this sample analyzer is applicable to medical treatment or biochemical analysis field for carry out the autoinjection to the test-tube rack of placing the sample test tube and detect. A more common sample analyzer may be an immunoassay analyzer; the sample analyzer may also be other clinical laboratory equipment.
Referring to fig. 1-2, fig. 1 is a schematic structural diagram of an embodiment of an automatic sample injection module provided in the present application, and fig. 2 is a schematic structural diagram of another embodiment of the automatic sample injection module provided in the present application. As shown in fig. 1-2, the autosampler module 10 of the present application comprises a support table 110, a conveying mechanism 210, a first loading mechanism 310, a second loading mechanism 410, a recovery mechanism 510, and an unloading mechanism 610; the conveying mechanism 210, the first loading mechanism 310, the second loading mechanism 410, the recovery mechanism 510, and the unloading mechanism 610 are all disposed on the support table 110, and the first loading mechanism 310, the second loading mechanism 410, the recovery mechanism 510, and the unloading mechanism 610 are sequentially disposed along the conveying direction of the conveying mechanism 210.
The support platform 110 is adapted to be removably mounted to the sample analyzer. The first loading mechanism 310 is used for loading the first test tube rack 311 and moving the first test tube rack 311 onto the conveying mechanism 210; the second loading mechanism 410 is used for loading a second test tube rack 411 and moving the second test tube rack 411 onto the conveying mechanism 210; the unloading mechanism 610 is used to unload the first test tube rack 311 and the second test tube rack 411 from the conveying mechanism 210 onto the recovery mechanism 510.
The sample of the sample analyzer generally includes a conventional sample, which is a conventional sample to be tested in order, and an emergency sample, which is a sample to be tested preferentially. The first test tube rack 311 is used for placing test tubes stored with conventional samples, and the second test tube rack 411 is used for placing test tubes stored with emergency samples. It will be appreciated that the first loading mechanism 310 is used to load a sample rack of conventional sample tubes to enable the sample analyzer to take a first sample from the first tube rack 311; the second loading mechanism 410 is used for loading a sample rack of emergency sample tubes so that the sample analyzer collects a second sample from the second sample rack 411; the first sample is a conventional sample, and the second sample is an emergency sample.
When the conventional sample enters the automatic sample introduction module 10, the first loading mechanism 310 moves the first test tube rack 311 to the conveying mechanism 210, and the conveying mechanism 210 moves the first test tube rack 311 to the sampling position of the sample analyzer, so that the sample analyzer collects the first sample from the first test tube rack 311. The first loading mechanism 310 sequentially loads the first racks 311 to the transport mechanism 210 in the order in which the first racks 311 are arranged in the first loading mechanism 310.
In the process of automatic sample injection, when an emergency sample which needs to be preferentially detected appears, before the second loading mechanism 410 moves the second test tube rack 411 to the conveying mechanism 210, the conveying mechanism 210 moves the first test tube rack 311 out of the sampling position and moves the second test tube rack 411 to the sampling position of the sample analyzer. When the first test tube rack 311 does not exist in the sampling position of the sample analyzer, the second loading mechanism 410 moves the second test tube rack 411 to the conveying mechanism 210, so that the sample analyzer collects a second sample from the second test tube rack 411, and the detection efficiency of the emergency sample is improved.
After the sample analyzer finishes sampling from the first test tube rack 311 and/or the second test tube rack 411, the unloading mechanism 610 of the autosampler module 10 unloads the first test tube rack 311 and the second test tube rack 411 from the conveying mechanism 210 to the recovery mechanism 510. Recovery mechanism 510 is used for placing useless test-tube rack, is convenient for carry out recycle to useless test-tube rack.
In the embodiment of the present application, the automatic sample feeding module 10 is detachably mounted through the first connection portion 111; the first loading mechanism 310 is used for moving the first test tube rack 311 onto the conveying mechanism 210; the second loading mechanism 410 is used for moving the second test tube rack 411 onto the conveying mechanism 210; the unloading mechanism 610 is used for unloading the first test tube rack 311 and the second test tube rack 411 from the conveying mechanism 210 to the recovery mechanism 510; when the first loading mechanism 310 moves the first test tube rack 311 onto the conveying mechanism 210, the conveying mechanism 210 is used for moving the first test tube rack 311 to a sampling position of the sample analyzer; before the second loading mechanism 410 moves the second rack 411 to the transport mechanism 210, the transport mechanism 210 is used to move the first rack 311 out of the sampling position and move the second rack 411 to the sampling position of the sample analyzer. The autoinjection module 10 of this application adopts the modularized design, can install on sample analyzer by detachable, compact structure, and the integrated level is high, the maintenance of being convenient for. And when there is emergency test demand, autoinjection module 10 can shift out the sampling position with first test-tube rack 311, preferentially carries out sampling analysis to second test-tube rack 411, improves user's use and experiences.
Optionally, the supporting table 110 includes a first connection portion 111, and the automatic sample feeding module 10 is detachably mounted on the sample analyzer through the first connection portion 111; the first connection portion 111 includes a first mounting hole for a fixing screw to pass through.
The first connection portion 111 is used to connect the automatic sample feeding module 10 and the sample analyzer, and the first connection portion 111 is a detachable connection component, which includes, but is not limited to, a screw connection, a snap connection, and the like. The autoinjection module 10 can be detached from the sample analyzer by detaching the first connection portion 111, which is convenient for maintaining the autoinjection module 10.
First mounting hole and fixed screw cooperation, the fixed screw can fasten the installation to autoinjection module 10, and the fixed screw can be dismantled to with the detachable installation of autoinjection module 10 on sample analyzer through the fixed screw.
In this embodiment, the supporting platform 110 includes a first connecting portion 111, the first connecting portion 111 includes a first mounting hole, the first mounting hole is used for a fixing screw to pass through, and the fixing screw is used to fasten and mount the automatic sample feeding module 10, so that the automatic sample feeding module 10 is detachably mounted on the sample analyzer through the first connecting portion 111 and the fixing screw, and the automatic sample feeding module 10 is conveniently maintained.
Optionally, the automatic sample introduction module 10 further includes a mounting and positioning block 112 and/or a supporting column 113, the mounting and positioning block 112 is mounted on the supporting table 110, one end of the supporting column 113 is mounted on the supporting table 110, and the other end of the supporting column 113 is connected to a structure in the sample analyzer.
The mounting and positioning block 112 is disposed on a side of the supporting platform 110 close to the conveying mechanism 210, and is used for positioning and connecting with a structure in the sample analyzer, so as to facilitate mounting of the automatic sample introduction module 10 on the sample analyzer. The support column 113 is used to support the autosampler module 10 to the sample analyzer.
In this embodiment, the automatic sample feeding module 10 is positioned by the mounting and positioning block 112 disposed on the side of the supporting platform 110 close to the conveying mechanism 210 and the structure in the sample analyzer, supported by the supporting column 113 on the sample analyzer, and detachably mounted on the sample analyzer by the fixing screw passing through the first mounting hole. The autoinjection module 10 of this embodiment modularization setting is at sample analyzer, convenient to detach maintenance.
Optionally, the autosampler module 10 further comprises a code scanning mechanism 710, and the code scanning mechanism 710 is configured to identify the identification information of the sample tubes on the first test tube rack 311 and the second test tube rack 411.
Specifically, the code scanning mechanism 710 is disposed on the supporting table 110 and disposed near the sampling position of the conveying mechanism 210, and the code scanning mechanism 710 is configured to identify the identification information of the first test tube rack 311 and the second test tube rack 411 after the first test tube rack 311 and the second test tube rack 411 enter the conveying mechanism 210, and identify the identification information of the sample test tubes of the first test tube rack 311 and the second test tube rack 411, so as to obtain the type of the test tube rack, the type of the sample, the detection item, the information of the detection person, and the like. Identification information includes, but is not limited to, bar code identification, and the like.
In this embodiment, the code scanning mechanism 710 of the automatic sample feeding module 10 can identify the identification information of the sample tubes on the first test tube rack 311 and the second test tube rack 411, so as to select corresponding detection items and correspond the sample data to the detection data when the sample analyzer detects the sample tubes.
Optionally, at least one of the conveying mechanism 210, the first loading mechanism 310, the second loading mechanism 410, the recovery mechanism 510, the unloading mechanism 610, and the code scanning mechanism 710 is detachably mounted on the support table 110.
Specifically, at least one of the conveying mechanism 210, the first loading mechanism 310, the second loading mechanism 410, the recycling mechanism 510, the unloading mechanism 610 and the code scanning mechanism 710 may be configured as a sub-modular structure, or may be configured as other detachable structures, and is not limited in this respect.
For example, the autosampler module 10 is modularly disposed in the sample analyzer, at least one of the conveying mechanism 210, the first loading mechanism 310, the second loading mechanism 410, the recovery mechanism 510, the unloading mechanism 610 and the code scanning mechanism 710 is a sub-module of the autosampler module 10, and at least one sub-module of the conveying mechanism 210, the first loading mechanism 310, the second loading mechanism 410, the recovery mechanism 510, the unloading mechanism 610 and the code scanning mechanism 710 is detachably mounted on the support platform 110, so as to facilitate maintenance of the sub-module.
In a specific embodiment, the first loading mechanism 310 includes a first support 312, the first loading mechanism 310 is supported on the support table 110 by the first support 312, the first loading mechanism 310 can be detachably disposed on the support table 110 by the first support 312, and the position of the first loading mechanism 310 on the autosampler module 10 is adjusted by adjusting the position of the first support 312; the second loading mechanism 410 comprises a second bracket 412, the recovery mechanism 510 comprises a third bracket 513, and the code scanning mechanism 710 comprises a fourth bracket 717; the second bracket 412, the third bracket 513 and the fourth bracket 717 are similar to the first bracket 312, and are not described herein again.
In the present embodiment, at least one of the conveying mechanism 210, the first loading mechanism 310, the second loading mechanism 410, the recovery mechanism 510, the unloading mechanism 610, and the code scanning mechanism 710 is detachably mounted on the support table 110, so that a user can perform maintenance on the conveying mechanism 210, the first loading mechanism 310, the second loading mechanism 410, the recovery mechanism 510, the unloading mechanism 610, and the code scanning mechanism 710.
Further, the conveying mechanism 210 includes a second connecting portion 216, and the second connecting portion 216 includes a second mounting hole, the second mounting hole is used for a fixing screw to pass through, and the second mounting hole is matched with the fixing screw, so that the conveying mechanism 210 is detachably mounted on the automatic sample introduction module 10 through the fixing screw.
In this embodiment, at least one of the conveying mechanism 210, the first loading mechanism 310, the second loading mechanism 410, the recovery mechanism 510, the unloading mechanism 610, and the code scanning mechanism 710 of the automatic sample introduction module 10 is detachably mounted on the supporting table 110, and is a sub-modular structure, a user can adjust the layout of each sub-module of the automatic sample introduction module 10 according to a sampling requirement, and the flexibility is strong, so that the use experience of the user is improved.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an embodiment of a recycling mechanism and an unloading mechanism provided in the present application. As shown in fig. 3, the recycling mechanism 510 includes a recycling platform 511 and a first photo-coupler detector 512; the unloading mechanism 610 includes an unloading pusher 611 and a first driving motor 612.
The recovery platform 511 is arranged on one side of the second loading mechanism 410 along the conveying direction of the conveying mechanism 210, and is used for placing the first test tube rack 311 and the second test tube rack 411 which are subjected to sampling; the first photo-coupler detector 512 is disposed on the recycling platform 511, and is disposed on a side of the recycling platform 511 away from the conveying mechanism 210, and is used for detecting whether the recycling platform 511 is full.
The unloading mechanism 610 is disposed between the recovery mechanism 510 and the conveying mechanism 210, and is partially located below the recovery platform 511. Specifically, the first driving motor 612 of the unloading mechanism 610 is disposed below the recovery platform 511 for providing power; the unloading push plate 611 is disposed on one side of the conveying mechanism 210 away from the recovery mechanism 510, and is configured to contact the first test tube rack 311 and the second test tube rack 411 and push the first test tube rack 311 and the second test tube rack 411 into the recovery platform 511.
The first driving motor 612 drives the unloading push plate 611 through a synchronous belt drive to unload the tested first test tube rack 311 or the tested second test tube rack 411 from the conveying mechanism 210 onto the recovery platform 511. The first drive motor 612 includes, but is not limited to, a stepper motor.
In this embodiment, the first driving motor 612 of the unloading mechanism 610 drives the unloading push plate 611 to unload the tested first test tube rack 311 or second test tube rack 411 from the conveying mechanism 210 onto the recovery platform 511 through the synchronous belt transmission, and detects whether the recovery platform 511 is full through the first optical coupler detector 512, so as to realize automatic unloading of the automatic sampling module 10, and facilitate recycling of the waste test tube racks.
Referring to fig. 4, fig. 4 is a schematic structural diagram of an embodiment of a code scanning mechanism provided in the present application. As shown in fig. 4, the code scanning mechanism 710 is a rotary code scanning mechanism including a rotary drive motor 711, a clamp drive motor 712, a capstan 713, a friction wheel 714, a clamp wheel 715, a code scanner 716, and a frame 718. The frame 718 is mounted on a fourth bracket 717 for mounting the rotation driving motor 711, the clamping driving motor 712, the driving wheel 713, the friction wheel 714, the clamping wheel 715, and the bar scanner 716. Before autoinjection module 10 sampled the sample test tube of first test-tube rack 311 and second test-tube rack 411, first test-tube rack 311 and second test-tube rack 411 were carried to sweeping the sign indicating number position by conveying mechanism 210, and rotatory sign indicating number mechanism of sweeping is used for discerning the identification information of the sample test tube on first test-tube rack 311 and the second test-tube rack 411 at conveying mechanism 210's sweeping the sign indicating number position. The first loading mechanism 310, the second loading mechanism 410, the recovery mechanism 510, the unloading mechanism 610, and the rotary code-sweeping mechanism are disposed in this order along the conveying direction of the conveying mechanism 210.
A drive wheel 713, friction wheel 714 and pinch wheel 715 for gripping the sample tubes; the rotation driving motor 711 is used for driving the driving wheel 713 to rotate; the clamping driving motor 712 is used for driving the clamping wheel 715 to move; the barcode scanner 716 is used to identify the identification information of the sample tubes on the first tube rack 311 and the second tube rack 411.
The rotary driving motor 711 and the clamping driving motor 712 are arranged on the frame 718, the driving wheel 713 and the friction wheel 714 are arranged on the rotary driving motor 711, and the driving wheel 713 is electrically connected with the rotary driving motor 711; the code scanning mechanism 710 further comprises a fixed frame and a cantilever assembly 719 slidably supported on the fixed frame, the clamping wheel 715 is supported on the cantilever assembly 719, and the fixed frame is fixedly connected with a synchronous belt, so that the clamping driving motor 712 drives the clamping wheel 715 to move by adopting synchronous belt transmission.
Specifically, sample test tubes of the first test tube rack 311 or the second test tube rack 411 enter code scanning positions sequentially through the conveying mechanism 210; pinch wheel 715 may further include a first pinch wheel and a second pinch wheel, and pinch drive motor 712 drives cantilever assembly 719 using a synchronous belt drive to slide in a predetermined direction on the mount, thereby driving the first pinch wheel and the second pinch wheel to move toward friction wheel 714 to pinch the sample tube between the first pinch wheel, the second pinch wheel, and friction wheel 714.
The rotation driving motor 711 drives the driving wheel 713 to rotate, and the driving wheel 713 drives the friction wheel 714 to rotate, so that the sample test tube rotates along with the friction wheel 714, and the identification information of the sample test tube can be located in front of the code scanner 716 under the rotation of the friction wheel 714, so that the code scanner 716 identifies the identification information of the sample test tube.
In this embodiment, the rotary driving motor 711 of the rotary code scanning mechanism is used for driving the driving wheel 713 to rotate, and the driving wheel 713 drives the friction wheel 714 to rotate, the clamping driving motor 712 adopts synchronous belt transmission to drive the clamping wheel 715 to move towards the friction wheel 714, so as to clamp the sample test tube between the clamping wheel 715 and the friction wheel 714 and rotate along with the friction wheel 714, the friction wheel 714 rotates to drive the sample test tube to rotate, so that the sample test tube can be placed in any direction of the first test tube rack 311 or the second test tube rack 411, the user does not need to place the sample test tube in a specified direction when placing the sample test tube, the sample introduction efficiency is improved, and the use experience of the user is improved.
Referring to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of a conveying mechanism provided in the present application. As shown in fig. 5, the conveying mechanism 210 includes a second driving motor 211, a conveyor belt 212, a second photo-coupler detector 213, and a third photo-coupler detector 214, and a plurality of stoppers 215 are disposed on the conveyor belt 212 and are distributed at equal intervals.
A space formed by the two adjacent stoppers 215 and the conveyor belt 212 is used for placing the first test tube rack 311 or the second test tube rack 411; the second driving motor 211 is used for driving the conveying belt 212 to rotate, the second optical coupler detector 213 is used for detecting whether the first test tube rack 311 is on the conveying belt 212, and the third optical coupler detector 214 is used for detecting whether the first test tube rack 311 or the second test tube rack 411 is on the unloading position on the conveying belt 212.
Specifically, the first loading mechanism 310 pushes the first test tube rack 311 into the space between two adjacent stoppers 215 of the conveying mechanism 210, and when the second photo-coupler detector 213 of the automatic sample introduction module 10 detects that the first test tube rack 311 is located on the conveyor belt 212, the second driving motor 211 of the conveying mechanism 210 drives the conveyor belt 212 to rotate so that the first test tube rack 311 is conveyed to the sampling position of the sample analyzer. Alternatively, the second loading mechanism 410 pushes the second tube rack 411 into between two adjacent stoppers 215 of the transport mechanism 210, and the second driving motor 211 drives the conveyor belt 212 to rotate so that the second tube rack 411 is transported to the sampling site of the sample analyzer by the transport mechanism 210.
After the detection is completed, when the third optical coupler detector 214 detects that the first test tube rack 311 or the second test tube rack 411 is located at the unloading position of the conveyor belt 212, the unloading mechanism 610 unloads the first test tube rack 311 or the second test tube rack 411 from the conveying mechanism 210 to the recovery mechanism 510, in which the third optical coupler detector 214 detects that the first test tube rack 311 or the second test tube rack 411 is located at the unloading position of the conveyor belt 212.
In this embodiment, the conveying mechanism 210 includes a second driving motor 211, a conveying belt 212, a second light coupling detector 213 and a third light coupling detector 214, the conveying belt 212 is provided with a plurality of stoppers 215 distributed at equal intervals, and a space formed by every two adjacent stoppers 215 and the conveying belt 212 is used for placing a first test tube rack 311 or a second test tube rack 411; the second driving motor 211 is used for driving the conveying belt 212 to rotate, the second optical coupler detector 213 is used for detecting whether the first test tube rack 311 is on the conveying belt 212, and the third optical coupler detector 214 is used for detecting whether the first test tube rack 311 or the second test tube rack 411 is at the unloading position on the conveying belt 212.
Alternatively, the transport mechanism 210 is used to move the first rack 311 from the sampling site to the first loading mechanism 310, the second loading mechanism 410 is used to move the second rack 411 to the transport mechanism 210, and the transport mechanism 210 is used to move the second rack 411 to the sampling site.
When the sample analyzer sequentially performs sampling analysis on the first test tube racks 311, if an emergency sample requiring preferential detection occurs and the first test tube racks 311 are on the conveying mechanism 210, the conveying mechanism 210 of the automatic sample introduction module 10 moves the first test tube racks 311 from the conveying mechanism 210 to the first loading mechanism 310. Specifically, the transport mechanism 210 may move the first test tube rack 311 from the sampling position, the scanning position, or another transport position of the transport mechanism 210 to the first loading mechanism 310.
When the first test tube rack 311 is not in the conveying mechanism 210, the second loading mechanism 410 moves the second test tube rack 411 to the conveying mechanism 210, so that the conveying mechanism 210 moves the second test tube rack 411 to the sampling position, and the sample analyzer performs sampling analysis on the second test tube rack 411.
In the present embodiment, the conveying mechanism 210 is configured to move the first test tube rack 311 from the sampling position to the first loading mechanism 310, the second loading mechanism 410 is configured to move the second test tube rack 411 to the conveying mechanism 210, and the conveying mechanism 210 is configured to move the second test tube rack 411 to the sampling position, so that the conveying mechanism 210 can convey the second test tube rack 411 to the sampling position in preference to the first test tube rack 311, thereby improving the detection efficiency of the emergency sample.
Optionally, the first loading mechanism 310 is configured to sequentially push the first racks 311 in at least two rows into the conveying mechanism 210. The first loading mechanism 310 includes a catch mechanism and a finger mechanism; the stopping mechanism and the pusher dog mechanism are arranged below the bearing plate bearing the first test tube rack 311, and the pusher dog mechanism is used for pushing the first test tube rack 311 between the pusher dog mechanism and the conveying mechanism 210 to the conveying mechanism 210; the stopping mechanism is used for forming stopping to the second row of first test tube racks 311 adjacent to the first test tube rack 311 at the frontmost side of the conveying mechanism 210 after the first test tube racks 311 at the frontmost side of the conveying mechanism 210 in at least two rows of first test tube racks 311 are pushed into the conveying mechanism 210 by the pusher dog mechanism, so that the first test tube racks 311 at multiple rows can be sequentially pushed into the conveying mechanism 210, and the sample analyzer can sequentially perform sampling analysis on the first test tube racks 311.
Optionally, the second loading mechanism 410 is located laterally of the conveying mechanism 210, and the second loading mechanism 410 includes a transmission assembly and a pushing assembly, and the transmission assembly drives the pushing assembly to move along a direction perpendicular to the conveying direction of the conveying mechanism 210 in a crank transmission manner, so as to push the second test tube rack 411 into the conveying mechanism 210. The crank transmission structure is compact, so that the transmission space of the second loading mechanism 410 is smaller, the space occupancy rate of the second loading mechanism 410 is small, and the miniaturization of the automatic sample feeding module 10 is facilitated.
The application also provides a sample analyzer for performing fluorescence detection on a sample, the sample analyzer comprises a sampling module and the autoinjection module 10 of any one of the above embodiments, and the sampling module is used for collecting samples of the first test tube rack 311 and/or the second test tube rack 411.
Further, the sample analyzer further comprises a conveying module, a reagent module and a reaction module. In use, the sample tube is transported to the sampling position of the sampling module by the first loading mechanism 310 and/or the second loading mechanism 410, and the sample of the sampling module is quantitatively sampled for the sample and transferred to the reaction module to wait for reaction.
The reagent module is used for accommodating and preparing reagents required by sample detection, the conveying module conveys the reagents which need to be added into the samples to the reagent station, and the reagent needles of the reagent module absorb the corresponding reagents and accurately and quantitatively add the reagents into the reaction module so as to obtain the samples to be detected. The sample analyzer detects a sample to be detected to obtain detection data.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (10)
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