CN218727363U - Automatic analyzer - Google Patents

Abstract

The utility model relates to a chemiluminescence detects technical field, especially relates to an automatic analysis device, include: the sample adding disk unit comprises a sample adding disk; the sample adding unit is used for adding a sample to the reaction cups positioned at a row of liquid levels; the reagent adding unit is used for adding reagents to the reaction cups positioned at the position of the liquid level; a reaction unit for incubating the reaction cup; the washing unit is used for washing away the sample and the reagent which are not combined and reacted in the reaction cup; the light measuring unit comprises a first light measuring disc, a second light measuring disc and a light measuring instrument; a reaction transfer unit including a first transfer gripper and a second transfer gripper. The utility model discloses a around the dispatch of adding sample dish, first survey CD and second survey CD, shortened the time of reaction cup dispatch, improve automatic analysis device's test speed, and the structure of reaction unit is simpler and compact.

Description

Automatic analyzer

Technical Field

The utility model relates to a chemiluminescence detects technical field, especially relates to an automatic analysis device.

Background

The chemiluminescence immune analysis method is an in vitro detection analysis technology combining antigen-antibody immune reaction and luminescence reaction, which is based on the immunological theory, takes a luminescence marker as a tracing signal, and detects various markers by collecting light signals, and has the advantages of high sensitivity, low nonspecific adsorption and high accuracy.

Currently, the automatic analysis device based on the chemiluminescence immunoassay method has become a mature medical diagnosis device, however, the single test flux of most automatic analysis devices is low at present, and the requirement of a large number of clinical sample tests cannot be met, so that the working efficiency of users who need to diagnose according to sample measurement results, such as doctors, is seriously affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide an automatic analysis device, it aims at solving the lower problem of test flux.

The utility model discloses a realize like this:

an automatic analysis device comprising:

the sample adding disc unit comprises a sample adding disc, the sample adding disc is provided with a plurality of sample adding supporting cup structures for supporting reaction cups, each sample adding supporting cup structure is arranged in an annular shape at equal intervals, the sample adding disc can rotate around a rotating axis extending up and down to drive the sample adding supporting cup structures to sequentially pass through a sample adding operation position and at least one liquid discharge position, and each sample adding supporting cup structure is arranged at intervals and surrounds the periphery of the rotating axis of the sample adding disc;

the sample adding unit is used for adding a sample to the reaction cup positioned at the liquid discharging level;

the reagent adding unit is used for adding a reagent to the reaction cup positioned at the drainage level;

the reaction unit is used for incubating the reaction cup and comprises a plurality of incubation support cup structures which are arranged in an array and used for supporting the reaction cup;

the washing unit is used for washing away the sample and the reagent which are not combined and reacted in the reaction cup;

a light measuring unit including a first light measuring disk, a second light measuring disk and a light measuring instrument, wherein the first light measuring disk has a plurality of first light measuring cup supporting structures for supporting the reaction cup, each of the first light measuring cup supporting structures is arranged in an annular equal interval, the first light measuring disk can rotate around a rotation axis extending up and down to drive the first light measuring cup supporting structures to sequentially pass through a first light measuring front operation position, a first light measuring rear operation position and a light measuring position, the second light measuring disk has a plurality of second light measuring cup supporting structures for supporting the reaction cup, each of the second light measuring cup supporting structures is arranged in an annular equal interval, the second light measuring disk can rotate around a rotation axis to drive the second light measuring cup supporting structures to sequentially pass through a second light measuring cup inlet position and a second light measuring cup outlet position, and the light measuring instrument is used for measuring light of the reaction cup at the light measuring position;

a reaction transfer unit including a first transfer grip and a second transfer grip, the first transfer grip being capable of transferring the reaction cuvette from a container supply position to the sample application operation position, transferring the reaction cuvette from the sample application operation position to the first pre-photometry operation position, transferring the reaction cuvette from the first pre-photometry operation position to a cup throwing position, and transferring the reaction cuvette from the second photometry cup discharging position to the sample application operation position, the second transfer grip being capable of transferring the reaction cuvette from the first post-photometry operation position to the reaction unit, transferring the reaction cuvette from the reaction unit to the first post-photometry operation position, transferring the reaction cuvette from the reaction unit or the cleaning unit to the second photometry cup feeding position, and transferring the reaction cuvette from the reaction unit to the cleaning unit.

Based on the utility model discloses, at first, through the dispatch around adding the sample dish, first survey CD and second survey CD, shortened the time of reaction cup dispatch, improve automatic analysis device's test speed, also improved the test flux, and simplified the transfer structure for automatic analysis device's size is compacter, reduce cost, secondly, in reaction unit, each is hatched and is held in the palm the cup structure and adopt and be array arrangement, makes reaction unit's structure simple more and compact.

Furthermore, based on the utility model discloses, can also carry out the test flow of multiple difference, can satisfy multiple different test demands.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an automatic analyzer according to an embodiment of the present invention;

fig. 2 is a partial structural view of an automatic analyzer according to an embodiment of the present invention;

fig. 3 is a flowchart of an automatic analysis method of a one-step test according to an embodiment of the present invention;

fig. 4 is a flowchart of an automatic analysis method of a two-step test according to an embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name(s)
				100	Sample adding disk unit
110	Sample adding disc	111	Sample adding holding cup structure
				101	Sample adding operation site	102	Liquid level of drainage
103	Liquid level of drainage	104	Mixing station
				200	Sample adding unit
300	Reagent addition unit
				400	Reaction unit
500	Cleaning unit
				600	Photometric unit
610	First photometric disk	611	First photometry cup holder structure
				6101	First before-photometry operation position	6102	First post-photometric operating position
6103	Light measuring position	6104	Waste liquid suction position
				620	Second photometric disk	621	Second photometric cup holder structure
6201	Second photometry cup inlet position	6202	Second light measuring cup position
				630	Waste liquid absorption mechanism	640	Light measuring instrument
700	Reaction transfer unit
				710	First transfer gripper	7101	Cup throwing position
720	Second transfer gripper

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It should be noted that the terms of left, right, upper and lower directions in the embodiments of the present invention are only relative concepts or are referred to the normal use state of the product, and should not be considered as limiting.

An embodiment of the utility model provides an automatic analysis device.

Referring to fig. 1 and 2, the automatic analyzer includes a sample-feeding tray unit 100, a sample-feeding unit 200, a reagent-feeding unit 300, a reaction unit 400, a washing unit 500, a photometric unit 600, and a reaction-transferring unit 700.

The sample adding tray unit 100 includes a sample adding tray 110, the sample adding tray 110 has a plurality of sample adding cup supporting structures 111 for supporting reaction cups, the sample adding tray 110 can rotate around a rotation axis extending up and down to drive the sample adding cup supporting structures 111 to sequentially pass through a sample adding operation position 101 and at least one liquid discharge position 102, and each sample adding cup supporting structure 111 is arranged at an interval and surrounds the periphery of the rotation axis of the sample adding tray 110.

The sample adding unit 200 is used for adding a sample to a reaction cup located at an array level 102. The utility model discloses in the implementation, preferably, this unit of application of sample includes sampling needle, sampling needle actuating mechanism and sampling needle wiper mechanism, and the concrete action flow of this unit of application of sample is as follows: the sampling needle driving mechanism drives the sampling needle to move to the position above a sample tube on the sample frame from the sampling needle cleaning mechanism, then the sampling needle vertically moves downwards to the sample tube to absorb a certain amount of samples, then the sampling needle vertically moves upwards and then moves into a reaction cup positioned at the liquid discharge level 102 to discharge a certain amount of samples, finally the sampling needle vertically moves upwards and is drawn out from the reaction cup, and at the moment, the sampling needle driving mechanism drives the sampling needle to move to the sampling needle cleaning mechanism to clean the inner wall and the outer wall of the sampling needle. The sampling needle driving mechanism can adopt a rotary rocker arm driving structure and can also adopt a linear guide rail driving structure.

The reagent addition unit 300 is used to add reagents to reaction cups located at a row of liquid levels 102. In the present embodiment, preferably, the reagent adding unit 300 includes a reagent needle, a reagent needle driving mechanism, and a reagent needle cleaning mechanism, and the specific operation flow of the reagent adding unit 300 is as follows: the reagent needle driving mechanism drives the reagent needle to move from the reagent needle cleaning mechanism to the reagent supply unit, then the reagent needle vertically moves downwards to the reagent supply unit to suck a certain amount of samples, then the reagent needle vertically moves upwards and then moves into the reaction cup to discharge a certain amount of reagents, and finally the reagent needle vertically moves upwards and is drawn out of the reaction cup, at the moment, the reagent needle driving mechanism drives the reagent needle to move to the reagent needle cleaning mechanism to clean the inner wall and the outer wall of the reagent needle; it should be noted that, if the reagent adding unit 300 needs to suck the same reagent next time, the reagent may not be cleaned; it should be noted that the position where the sample is added by the sample adding unit 200 and the position where the reagent is added by the reagent adding unit 300 can be at the same liquid discharge level, at this time, the sample adding unit 200 and the reagent adding unit 300 alternately operate on the same cuvette, or can be at different liquid discharge levels, at this time, the sample adding unit 200 and the reagent adding unit 300 can simultaneously operate on two different cuvettes, respectively, and the operation efficiency can be improved.

The reaction unit 400 is used for incubating the reaction cup and includes a plurality of incubation cup holders arranged in an array and used for holding the reaction cup; it should be noted that, in this embodiment, each incubation cup structure is arranged in a rectangular array, while in other embodiments, each incubation cup structure may also be arranged in a ring shape, and a plurality of rings with different radii may be arranged, in this case, the reaction unit 400 may be in a disk structure. Specifically, the reaction unit 400 provides a reaction site at a constant temperature for the sample and the reagent reaction solution.

The washing unit 500 is used for washing away the sample and the reagent which are not combined and reacted in the reaction cup; it should be noted that, after the washing unit 500 is used for washing away the sample and the reagent that are not combined in the reaction cuvette, whether to inject the luminescent substrate solution into the reaction cuvette may be selected according to the requirement.

The light measuring unit 600 includes a first light measuring disc 610, a second light measuring disc 620 and a light measuring instrument 640, the first light measuring disc 610 has at least one first light measuring cup supporting structure 611 for supporting the reaction cup, the first light measuring disc 610 can rotate around a rotation axis extending up and down to drive the first light measuring cup supporting structure 611 to sequentially pass through a first light measuring front operation position 6101, a first light measuring rear operation position 6102 and a light measuring position 6103, the second light measuring disc 620 has at least one second light measuring cup supporting structure 621 for supporting the reaction cup, the second light measuring disc 620 can rotate around a rotation axis to drive the second light measuring cup supporting structure 621 to sequentially pass through a second light measuring cup inlet position 6201 and a second light measuring cup outlet position 6202. The photometer 640 is used for performing photometry on the reaction cup at a photometry position 6103; the light meter 640 can convert the measured light intensity into a digital signal for output, so that the signal receiving is convenient to control, and the signal conversion is reduced.

The reaction transfer unit 700 includes a first transfer hand 710 and a second transfer hand 720, the first transfer hand 710 can transfer the reaction cuvette from the container supply position to the sample application position 101, transfer the reaction cuvette from the sample application position 101 to the first pre-photometric position 6101, transfer the reaction cuvette from the first pre-photometric position 6101 to the cup throwing position 7101, and transfer the reaction cuvette from the second photometric position 6202 to the sample application position 101, and the second transfer hand 720 can transfer the reaction cuvette from the first post-photometric position 6102 to the reaction unit 400, transfer the reaction cuvette from the reaction unit 400 to the first post-photometric position 6102, transfer the reaction cuvette from the reaction unit 400 or the cleaning unit 500 to the second photometric position 6201, and transfer the reaction cuvette from the reaction unit 400 to the cleaning unit 500. In the embodiment of the present invention, preferably, the first transferring gripper is a two-dimensional moving gripper, and the second transferring gripper is a three-dimensional moving gripper.

Of course, it should be noted here that in the embodiment of the present invention, the automatic analyzer further includes a control unit, and the control unit is configured to control the operation and the operation timing sequence of the sample adding tray unit 100, the sample adding unit 200, the reagent adding unit 300, the reaction unit 400, the cleaning unit 500, the photometric unit 600, and the cuvette transfer unit.

Based on the utility model discloses a structural design, as shown in fig. 3, its automatic analysis step that realizes the one-step method test is as follows:

one-step reagent addition: the sample adding plate 110 rotates to drive the sample adding holding cup structure 111 to sequentially pass through the sample adding operation position 101 and each liquid drainage position 102, wherein the sample adding unit 200 adds a sample to the reaction cup, and the reagent adding unit 300 adds a reagent to the reaction cup.

In this step, the addition of the sample and the reagent is completed, and a reaction solution is formed.

One-step reagent incubation: the sample adding disk 110 rotates to drive the sample adding cup holding structure 111 to move to the sample adding operation position 101, the first transfer gripper 710 moves the reaction cup from the sample adding operation position 101 to the first pre-photometry operation position 6101, the first photometry disk 610 rotates, the reaction cup moves from the first pre-photometry operation position 6101 to the first post-photometry operation position 6102 along with the first photometry cup holding structure 611, and the second transfer gripper 720 transfers the reaction cup from the first post-photometry operation position 6102 to the reaction unit 400.

In this step, the reaction unit 400 incubates the reaction solution in the reaction cup.

Cleaning and separating: the second transfer grip 720 transfers the cuvettes from the reaction unit 400 to the washing unit 500, and the washing unit 500 washes away the unbound and reacted samples and reagents in the cuvettes.

Measuring light intensity: the second transfer gripper 720 transfers the cuvette from the reaction unit 400 to the first post-photometry operation position 6102, the first optical disk 610 rotates and drives the cuvette to move from the first post-photometry operation position 6102 to the photometry position 6103, and the photometer 640 performs photometry on the cuvette located at the photometry position 6103.

Cup throwing: the first optical disk 610 rotates, the cuvette moves from the measurement position 6103 to the first pre-measurement operation position 6101 along with the first optical cup holder structure 611, and the first transfer gripper 710 moves the cuvette from the first pre-measurement operation position 6101 to the cup-throwing position 7101 for cup-throwing.

Compared with the one-step test, in order to realize the automatic analysis of the two-step test, as shown in fig. 4, the method further comprises the following steps between the cleaning separation and the light intensity measurement:

returning and transferring: the second transfer gripper 720 transfers the reaction cup from the cleaning unit 500 to the second photometric cup entry position 6201, the second photometric disk 620 rotates, the reaction cup moves from the second photometric cup entry position 6201 to the second photometric cup exit position 6202 along with the second photometric cup structure 621, and the first transfer gripper 710 rotates the reaction cup from the second photometric cup exit position 6202 to the sample loading operation position 101.

Adding a reagent in the second step: the sample adding tray 110 rotates to drive the sample adding holding cup structure 111 to sequentially pass through the sample adding operation position 101 and each liquid discharging position 102, wherein the reagent adding unit 300 adds a reagent to the reaction cup positioned at the liquid discharging position 103.

And (3) incubating a reagent in the second step: the first transferring gripper 710 moves the cuvette from the sample loading operation site 101 to the first pre-photometry operation site 6101, the first photometry disc 610 rotates, the cuvette moves from the first pre-photometry operation site 6101 to the first post-photometry operation site 6102 along with the first photometry cup holding structure 611, and the second transferring gripper 720 transfers the cuvette from the first post-photometry operation site 6102 to the reaction unit 400.

Secondary cleaning and separation: the second transfer grip 720 transfers the cuvettes from the reaction unit 400 to the washing unit 500, and the washing unit 500 washes away the unbound and reacted samples and reagents in the cuvettes.

In other embodiments, the method may further comprise, between the one-step incubation of the reagent and the washing separation:

returning and transferring: the second transfer gripper 720 transfers the reaction cup from the reaction unit 400 to the second photometric cup entry position 6201, the second photometric disk 620 rotates, the reaction cup moves from the second photometric cup entry position 6201 to the second photometric cup exit position 6202 along with the second photometric cup structure 621, and the first transfer gripper 710 rotates the reaction cup from the second photometric cup exit position 6202 to the sample loading operation position 101.

Adding a reagent in the second step: the sample adding tray 110 rotates to drive the sample adding holding cup structure 111 to sequentially pass through the sample adding operation position 101 and the liquid discharge position 102, wherein the reagent adding unit 300 adds a reagent to the reaction cup.

And (3) incubation of reagents in two steps: the first transfer hand grip 710 moves the cuvette from the sample loading operation position 101 to the first pre-photometry operation position 6101, the first photometry disc 610 rotates, the cuvette moves from the first pre-photometry operation position 6101 to the first post-photometry operation position 6102 along with the first photometry cup holding structure 611, and the second transfer hand grip 720 transfers the cuvette from the first post-photometry operation position 6102 to the reaction unit 400.

Secondary cleaning and separation: the second transfer grip 720 transfers the cuvettes from the reaction unit 400 to the washing unit 500, and the washing unit 500 washes away the unbound and reacted samples and reagents in the cuvettes.

If the pretreatment is needed, before the one-step reagent addition, the method further comprises the following steps:

pretreatment: the second transfer hand grip 720 transfers the reaction cuvette with the pretreatment liquid from the reaction unit 400 to the second photometric cuvette entry location 6201, the second optical measurement disc 620 rotates, the reaction cuvette moves from the second photometric cuvette entry location 6201 to the second photometric cuvette exit location 6202 along with the second photometric cuvette holder structure 621, and the first transfer hand grip 710 rotates the pretreated reaction cuvette from the second photometric cuvette exit location 6202 to the sample loading operation location 101.

Here, the pretreatment solution in the cuvette can be obtained by referring to the flow of one-step reagent addition and one-step reagent incubation.

By the way, based on the utility model discloses, at first, through the dispatch around adding sample dish 110, first survey CD 610 and second survey CD 620, the time of reaction cup dispatch has been shortened, improve automatic analysis device's test speed, also improved the test flux, and simplified the transfer structure, make automatic analysis device's size compacter, reduce cost, secondly, in reaction unit 400, each is hatched and is held in the palm the adoption of cup structure and be array arrangement, make reaction unit 400's structure simple and compact more.

Furthermore, based on the utility model discloses, can also carry out the test flow of multiple difference, can satisfy multiple different test demands.

In the embodiment of the present invention, the sample adding unit 200 can also absorb the sample from any liquid discharging position 102.

Based on this, a dilution operation can be achieved, in particular, the following steps are added between the one-step reagent addition and the one-step reagent incubation:

diluted sample aspiration: the sample adding tray 110 continues to rotate, the reaction cup moves to a row of liquid levels 102 from the sample adding operation position 101 along with the sample adding holding cup structure 111, and the sample adding unit 200 sucks a sample from the reaction cup.

Addition of diluted sample: the sample addition plate 110 continues to rotate, a new cuvette passes through each of the liquid discharge positions 102, the sample addition unit 200 adds a sample to the cuvette, and the reagent addition unit 300 adds a reagent to the cuvette.

In the embodiment of the present invention, the throwing cup position 7101 is located between the photometric unit 600 and the sample adding tray 110, so the first transferring gripper 710 can throw the cup on the motion track between the photometric unit 600 and the reaction unit 400, because the structure of the first transferring gripper 710 is simplified.

The embodiment of the utility model provides an in, photometric cell 600 is located between reaction unit 500 and application of sample dish unit 100, so, can reduce reaction unit 500 and application of sample dish unit 100 to photometric cell 600's distance to reduce first transfer tongs 710 and the required operation scope of second transfer tongs 720, thereby simplify the structure that first transfer tongs 710 and second transferred tongs 720.

In an embodiment of the present invention, in order to ensure the continuous supply of the sample, the automatic analyzer further includes a sample supply unit, and the sample supply unit is used for carrying and transporting the sample to be tested. In the embodiment of the present invention, for recovery, the sample supply unit is provided with a sample placing area, a sample transmission area and a sample recovery area, and the sample transmission area is provided with at least one sample transmission channel; the sample supply unit also comprises a sample rack and a scheduling mechanism, at least one sample rack is arranged on the sample rack and used for supporting at least one reaction cup, and the scheduling mechanism can move the sample rack from any sample placing area to any sample conveying channel and can also move the sample rack from any sample conveying channel to a sample recovery area; the sample application unit 200 can also suck the sample from the sample transfer area. Further, the sample transfer area has three sample transport channels, and the sample adding unit 200 can suck the samples from at least two of the sample transport channels, so that the continuous supply of the samples can be better ensured. Furthermore, the sample supply unit is also provided with an emergency treatment sample placing area; the scheduling mechanism can preferentially move the sample rack from the emergency sample deposit area to the sample transfer area, such that, in use, when a sample rack to be tested is to be tested in the emergency sample deposit area, the sample in the emergency sample deposit area is preferentially tested.

The embodiment of the utility model provides an in, cleaning unit 500 is including magnetic separation dish, annotate liquid mechanism, imbibition mechanism, mixing structure and magnetism adsorption mechanism.

In the embodiment of the present invention, the rotation axes of the first optical measurement disc 610 and the second optical measurement disc 620 are coaxially arranged and rotate synchronously; the first photometry cup structure 611 and the second photometry cup structure 621 move in pairs to the first pre-photometry operation position 6101 and the second photometry cup position 6202, respectively. Thus, the first optical disk 610 and the second optical disk 620 can share one driving structure, which is beneficial to simplifying the structure of the light measuring unit 600.

It should be noted that, in combination with the two-dimensional movement of the first transfer gripper 710 of the present invention, the first light measuring cup structure 611 and the second light measuring cup structure 621 are disposed in pairs below the moving path of the first transfer gripper 710.

In other embodiments of the present invention, the rotation axes of the first optical measuring disc 610 and the second optical measuring disc 620 are coaxially disposed and rotate independently from each other, that is, the first optical measuring disc 610 and the second optical measuring disc 620 are driven by their respective driving structures. Thus, the first optical measuring disc 610 and the second optical measuring disc 620 can rotate respectively according to actual requirements.

In the embodiment of the present invention, the sample adding disk unit 100 further includes a blending mechanism;

when the sample adding disc 110 rotates around a rotation axis extending up and down, the sample adding cup holding structure 111 can be driven to pass through the sample adding operation position 101, each row of liquid levels 102 and the mixing position 104 in sequence;

the mixing mechanism shakes the cuvette at the mixing station 104 to mix the mixture.

Based on this, the in-process that drives application of sample at application of sample reaction dish 110 and hold in the palm cup structure from flowing back displacement to application of sample operation position can pass through the mixing position, rocks the mixing to the reaction cup through mixing mechanism, is favorable to making sample evenly distributed in the reagent.

Specifically, in the embodiment of the utility model provides an in, when mixing mechanism need carry out the mixing, mixing mechanism need with the bottom cooperation of reaction cup, thereby rock the bottom of reaction cup, therefore, when mixing mechanism needs carry out the mixing, both can be application of sample reaction dish downstream, reset after the mixing is accomplished, also can be mixing mechanism upward movement, reset after the mixing is accomplished, wherein, adopt mixing mechanism upward movement's technical scheme to be favorable to simplifying automatic analysis device's overall structure complexity, wherein, mixing mechanism adopts non-contact swirl eccentric oscillation mode, also can adopt supersound mixing mode, mixing mechanism has perpendicular up-and-down motion, when needing the mixing, mixing mechanism perpendicular upward movement, fall into mixing mechanism with a part of reaction cup, begin the reaction liquid mixing, after a period of mixing, mixing mechanism perpendicular downstream, get back to initial position.

In the embodiment of the present invention, the photometric unit 600 further includes a waste liquid absorption mechanism 630;

when the first optical measurement disc 610 rotates around a rotation axis extending up and down, the first optical measurement cup structure 611 can be driven to sequentially pass through the first pre-optical-measurement operation position 6101, the first post-optical-measurement operation position 6102, the optical measurement position 6103, and the waste liquid suction position 6104;

the waste liquid suction mechanism 630 sucks waste liquid from the cuvette at a waste liquid suction level 6104.

Based on this, waste liquid in the reaction cup is absorbed through the waste liquid absorption mechanism 630, the sample concentration is improved, and the measurement of the photometer 640 is facilitated.

The embodiment of the utility model provides an in, photometric unit 600 still includes excitation liquid injection mechanism, and excitation liquid injection mechanism is used for photometer 640 to pour into excitation liquid into the reaction cup before measuring the reaction cup light intensity. So, to some samples that need to add excitation liquid just can give out light, before photometry, add excitation liquid, the excitation reaction liquid sends certain light intensity, the photometer 640's of being convenient for measurement to the sample type that this automatic analysis device can carry out the analysis has been increased.

In the embodiment of the present invention, the sample-adding cup-holding structure 111 is a through hole which is through from top to bottom and is used for the reaction cup to pass through and limit the reaction cup to drop.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. An automatic analysis device, comprising:

the sample adding tray unit comprises a sample adding tray, the sample adding tray is provided with a plurality of sample adding support cup structures for supporting reaction cups, each sample adding support cup structure is arranged in an annular shape at equal intervals, the sample adding tray can rotate around a rotating axis extending up and down so as to drive the sample adding support cup structures to sequentially pass through a sample adding operation position and at least one liquid discharge position, and each sample adding support cup structure is arranged at intervals and surrounds the periphery of the rotating axis of the sample adding tray;

the sample adding unit is used for adding a sample to the reaction cup positioned at the liquid discharging level;

the reagent adding unit is used for adding a reagent to the reaction cup positioned at the drainage level;

the reaction unit is used for incubating the reaction cup and comprises a plurality of incubation support cup structures which are arranged in an array and used for supporting the reaction cup;

the washing unit is used for washing away the sample and the reagent which are not combined and reacted in the reaction cup;

a light measuring unit including a first light measuring disc, a second light measuring disc and a light measuring instrument, wherein the first light measuring disc has a plurality of first light measuring cup supporting structures for supporting the reaction cup, each of the first light measuring cup supporting structures is arranged in an annular equal interval, the first light measuring disc can rotate around a rotation axis extending from top to bottom to drive the first light measuring cup supporting structures to sequentially pass through a first light measuring front operation position, a first light measuring rear operation position and a light measuring position, the second light measuring disc has a plurality of second light measuring cup supporting structures for supporting the reaction cup, each of the second light measuring cup supporting structures is arranged in an annular equal interval, the second light measuring disc can rotate around a rotation axis to drive the second light measuring cup supporting structures to sequentially pass through a second light measuring cup inlet position and a second light measuring cup outlet position, and the light measuring instrument is used for measuring light of the reaction cup at the light measuring position;

a reaction transfer unit including a first transfer grip and a second transfer grip, the first transfer grip being capable of transferring the reaction cuvette from a container supply position to the sample application operation position, transferring the reaction cuvette from the sample application operation position to the first pre-photometry operation position, transferring the reaction cuvette from the first pre-photometry operation position to a cup throwing position, and transferring the reaction cuvette from the second photometry cup discharging position to the sample application operation position, the second transfer grip being capable of transferring the reaction cuvette from the first post-photometry operation position to the reaction unit, transferring the reaction cuvette from the reaction unit to the first post-photometry operation position, transferring the reaction cuvette from the reaction unit or the cleaning unit to the second photometry cup feeding position, and transferring the reaction cuvette from the reaction unit to the cleaning unit.

2. The automated analyzer of claim 1, wherein the sample application and reaction tray, when rotated, further moves the sample application and holding cup structure past the sample application and dilution position;

the sample loading unit can also suck a sample from the loading dilution position.

3. The automatic analyzer according to claim 1, further comprising a sample supply unit for carrying and transporting a sample to be tested, wherein the sample supply unit is provided with a sample placing area, a sample transporting area and a sample recovering area, and the sample transporting area is provided with at least one sample conveying channel;

the sample supply unit also comprises a sample rack and a scheduling mechanism, wherein at least one sample rack is arranged on the sample rack and is used for supporting at least one reaction cup, and the scheduling mechanism can move the sample rack from any sample placing area to any sample conveying channel and can also move the sample rack from any sample conveying channel to the sample recovery area;

the sample loading unit can also suck a sample from the sample transmission area.

4. The automatic analysis device according to claim 3, wherein the sample transport section has three sample transport channels, and the sample application unit is capable of sucking up a sample from at least two of the sample transport channels;

and/or the sample supply unit is further provided with an emergency sample placing area, and the scheduling mechanism can preferentially move the sample rack from the emergency sample placing area to the sample transmission area.

5. The automated analysis apparatus of claim 1, wherein the first transfer grip is a two-dimensional motion grip;

and/or the second transfer grip is a three-dimensional motion grip.

6. The automated analyzer of claim 1, wherein the cup-throwing location is located between the photometric cell and the sample addition tray.

7. The automatic analysis device according to claim 6, wherein the photometric unit is located between the reaction unit and the sample addition tray unit.

8. The automatic analyzer according to claim 1, wherein the rotation axes of the first optical disk and the second optical disk are coaxially arranged and rotate synchronously; the first photometry cup supporting structure and the second photometry cup supporting structure respectively move to the first photometry front operation position and the second photometry cup outlet position in pairs.

9. The automatic analyzer according to claim 1, wherein the rotation axes of the first optical disk and the second optical disk are coaxially arranged and rotate independently of each other.

10. The automatic analyzer according to claim 1, wherein the sample application tray unit further comprises a kneading mechanism;

when the sample adding disc rotates around a rotating axis extending up and down, the sample adding holding cup structure can be driven to sequentially pass through a sample adding operation position, each liquid discharging position and a mixing position;

the mixing mechanism is used for shaking and mixing the reaction cups positioned at the mixing position.

11. The automatic analysis device according to claim 1, wherein the photometric unit further includes a waste liquid absorbing mechanism;

when the first photometry disc rotates around a rotation axis extending up and down, the first photometry cup supporting structure can be driven to sequentially pass through the first photometry front operation position, the first photometry rear operation position, the photometry position and the waste liquid absorption level;

the waste liquid absorption mechanism is used for absorbing waste liquid from the reaction cup at the waste liquid absorption position.

12. The automatic analyzer according to claim 1, wherein the photometric unit further comprises an excitation liquid injection mechanism for injecting excitation liquid into the cuvette before the photometric instrument measures the light intensity of the cuvette.

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