CN215866728U

CN215866728U - Sample analyzer

Info

Publication number: CN215866728U
Application number: CN202122212998.XU
Authority: CN
Inventors: 林泽剑; 植立才; 肖承亮; 涂贻兰; 王治才
Original assignee: Guangzhou Labsim Biotech Co Ltd
Current assignee: Guangzhou Labsim Biotech Co Ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-02-18
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a sample analysis device, which comprises a conveying mechanism, an identifier, a test tube rack, a test tube rotating mechanism and an induction mechanism, wherein the test tube rack can be conveyed on the conveying mechanism along a set direction, the identifier is arranged on one side of the conveying mechanism, the identifier can identify an identification code on the outer side wall of a test tube, the test tube rotating mechanism is arranged above the conveying mechanism and is positioned at the front end of the conveying direction of the conveying mechanism, the test tube rotating mechanism comprises a rotating disc and two positioning rollers arranged on one side of the rotating disc at intervals, the two positioning rollers are distributed at intervals, a test tube clamping position is formed by the rotating disc and the positioning rollers, the conveying mechanism can convey the test tube into the test tube clamping position, the rotating disc can drive the test tube in the test tube clamping position to rotate, and the induction mechanism is used for inducing whether the test tube in the test tube clamping position is clamped in place or not. This sample analysis device passes through test tube rotary mechanism and drives the test tube rotatory on the test-tube rack, is favorable to the recognizer to discern the identification code on the test tube.

Description

Sample analyzer

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a sample analysis device.

Background

Among the pipelined sample analysis device, usually have main track and a plurality of branch road track, every branch road track corresponds and is provided with sample analysis mechanism, and the sample test tube on the main track conveys with the direction of assembly line, and when the sample test tube was conveyed to corresponding detection position on the main track, the sample test tube can enter into the branch road track and is detected by the analysis mechanism on this branch road track, and after the detection was accomplished, this sample test tube was sent back to the main track along the branch road track again to accomplish follow-up detection.

Generally, the main track is provided with an identifier, the outer side wall of the sample test tube is provided with an identification code for the identifier to identify, and the identifier identifies the identification code on the sample test tube, so that the sample information in the sample test tube can be read. However, because the lateral wall of sample test tube is the arcwall face, consequently the identification code is usually around establishing on the lateral wall of sample test tube with this arcwall face assorted radian, and to the identification code of this kind of shape, the complete identification code is difficult to scan to the recognizer of fixed setting, consequently leads to reading the information degree of difficulty on the identification code great.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the utility model provides a sample analysis device, it is rotatory on the test-tube rack to drive the test tube through test tube rotary mechanism, is favorable to the recognizer to discern the identification code on the test tube.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a sample analysis device, includes conveying mechanism, recognizer, test-tube rack, test tube rotary mechanism and response mechanism, the test-tube rack is last to have a plurality of positions of placing that are used for placing the test tube, the test-tube rack can be in conveying mechanism goes up along setting for the direction and carries, the recognizer sets up one side of conveying mechanism, the recognizer can discern the identification code on the test tube lateral wall, test tube rotary mechanism sets up conveying mechanism's top and is located the front end of conveying mechanism direction of delivery, test tube rotary mechanism includes rotary disk and interval setting two location gyro wheels of rotary disk one side, two location gyro wheel interval distribution, the rotary disk with be formed with the test tube centre gripping position between the location gyro wheel, conveying mechanism can carry the test tube to in the test tube centre gripping position, the rotary disc can drive the test tube in the test tube clamping position to rotate, so that the identification code on the test tube rotates relative to the identifier, and the induction mechanism is used for inducing whether the test tube in the test tube clamping position is clamped in place or not.

As a preferred technical scheme of sample analysis device, response mechanism includes inductor and gag lever post, the inductor interval sets up one side in test tube centre gripping position, the one end protrusion of gag lever post in the test tube centre gripping position, the other end orientation of gag lever post the direction of inductor extends, the gag lever post can the test tube centre gripping position with remove between the inductor, work as the test tube is located when in the test tube centre gripping position, the test tube extrusion the gag lever post orientation the direction of inductor is removed, makes the inductor can sense the gag lever post.

As a preferable technical solution of the sample analyzer, the sensor is an optical fiber sensor.

As a preferable embodiment of the sample analyzer, the sample analyzer further includes a first fixing plate, and the sensor is mounted on one side of the first fixing plate through a mounting plate.

As a preferable technical solution of the sample analysis device, one end of the limiting rod facing the test tube clamping position is in an arc-shaped structure.

As a preferred technical scheme of sample analysis device, response mechanism still includes second fixed plate and elastic component, the second fixed plate with first fixed plate fixed connection, the gag lever post is kept away from the one end of test tube centre gripping position passes the second fixed plate, the gag lever post can for the second fixed plate removes, spacing step has on the gag lever post, spacing step with the second fixed plate interval sets up, the elastic component cover is established the periphery of gag lever post, just the relative both ends of elastic component respectively with the second fixed plate with spacing step is connected.

As a preferred technical scheme of sample analysis device, response mechanism still includes the guide holder, the one end of guide holder is connected the second fixed plate, the other end orientation the direction of test tube centre gripping position is extended, the gag lever post runs through the relative both ends of guide holder, be provided with the guiding hole on the guide holder, the guiding hole along the length direction of gag lever post extends, the gag lever post protrusion is provided with the guide bar, the guide bar can the guiding hole internal slip.

As a preferable technical solution of the sample analyzer, a second driving motor is connected to the rotating disc, and the second driving motor can drive the rotating disc to rotate around the axis of the second driving motor.

As a preferable technical solution of the sample analysis device, the two positioning rollers are both mounted on a first fixing plate, and an arc-shaped groove is concavely formed in a position of the first fixing plate between the two positioning rollers.

As a preferable technical solution of the sample analysis device, the sample analysis device further includes a sliding mechanism located above the conveying mechanism, the sliding mechanism includes a sliding plate, a sliding block and a driving member, the sliding plate is provided with a sliding rail, the driving member can drive the sliding block to slide on the sliding rail, an extending direction of the sliding rail is perpendicular to a conveying direction of the conveying mechanism, one side of the sliding block is connected with the sliding rail in a sliding manner, the other side of the sliding block is connected with the first fixing plate, and the sliding block drives the first fixing plate to move along a length direction of the sliding rail so as to adjust an interval between the positioning roller and the rotating disk.

The utility model has the beneficial effects that: the test-tube rack is used for the bearing test tube, conveying mechanism carries test-tube rack and test tube motion in step, move on conveying mechanism along with the test-tube rack, test tube on the test-tube rack enters into test tube centre gripping position one by one, and press from both sides tightly in the test tube adds the position by rotary disk and two location gyro wheels one by one, because frictional force has between the rotatory face of rotary disk and the test tube, drive the test tube at test tube centre gripping position internal rotation through frictional force when the rotary disk is rotatory, so that the identification code on the test tube is whole to supply the recognizer to discern through the identification area. Carry out the centre gripping to the test tube through two location gyro wheels, make the test tube obtain effective location, the difficult emergence swing of test tube is favorable to the rotary disk to drive the test tube more and rotates when the rotary disk rotates. Set up response mechanism, whether the centre gripping targets in place in responding to mechanism 7 response test tube centre gripping position, for operating personnel provides the reference and be favorable to the discernment of recognizer.

Drawings

The utility model is explained in more detail below with reference to the figures and examples.

Fig. 1 is a schematic perspective view of a sample analyzer according to an embodiment.

Fig. 2 is a schematic structural view of the sample analyzer in fig. 1 with a portion of the housing removed.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a partial structural view of an angle of the sample analyzer according to an embodiment.

Fig. 5 is an enlarged view at B in fig. 4.

FIG. 6 is a schematic view of a portion of the sample analyzer from another perspective.

Fig. 7 is an enlarged view at C in fig. 6.

Fig. 8 is a structural view of the installation of the sensing mechanism and the positioning roller according to the embodiment (the guide base is not shown in the figure).

In the figure:

1. a test tube rotating mechanism; 101. rotating the disc; 102. positioning the roller; 103. a second drive motor; 2. a test tube rack; 3. a first fixing plate; 301. an arc-shaped slot; 4. a sliding mechanism; 401. a slider; 402. a drive member; 403. a slide plate; 404. a slide rail; 5. a conveying mechanism; 501. a driven wheel; 502. a conveyor belt; 503. a first drive motor; 504. a first drive wheel; 505. a drive belt; 506. a second drive wheel; 6. an identifier; 7. an induction mechanism; 701. a limiting rod; 702. an inductor; 703. a second fixing plate; 7031. a first plate; 7032. a second plate; 704. a guide seat; 7041. a guide hole; 705. a guide bar; 706. mounting a plate; 707. fastening a nut; 708. an elastic member; 709. a limiting step; 710. an abutment bolt; 8. a third fixing plate; 9. a housing; 100. test tubes.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The utility model provides a sample analysis device which comprises a conveying mechanism, an identifier, a test tube rack, a test tube rotating mechanism and an induction mechanism. Fig. 1 is a schematic perspective view of a sample analyzer, where a housing 9 is generally disposed on an outer surface of the sample analyzer, a conveying mechanism 5, an identifier 6, a test tube rotating mechanism 1, and an induction mechanism 7 are all disposed inside the housing 9, a feed port for feeding the test tube rack 2 and the test tube 100 to the conveying mechanism 5 is disposed at a top of the sample analyzer, and fig. 2 is a schematic structural view of the sample analyzer after a part of the housing 9 is removed. Referring to fig. 2 to 8, the test tube rack 2 has a plurality of placement positions for placing the test tubes 100, and the test tubes 100 are vertically placed on the placement positions. The test-tube rack 2 can be carried along setting for the direction on conveying mechanism 5, and in this embodiment, be provided with a plurality of positions of placing on the test-tube rack 2, all positions of placing are arranged along conveying mechanism 5's length direction in proper order to make a plurality of test tubes 100 can be placed simultaneously to a test-tube rack 2. The identifier 6 is disposed on one side of the conveying mechanism 5, the identifier 6 can identify an identification code (not shown in the figure) on the outer side wall of the test tube 100, the test tube rotating mechanism 1 is disposed above the conveying mechanism 5 and located at the front end of the conveying direction of the conveying mechanism 5, and the direction indicated by an arrow in fig. 4 is the conveying direction of the conveying mechanism 5. Test tube rotary mechanism 1 includes rotary disk 101 and two positioning roller 102 of interval setting in rotary disk 101 one side, two positioning roller 102 interval distribution, be formed with the test tube centre gripping position between rotary disk 101 and the positioning roller 102, conveying mechanism 5 can carry test tube 100 to the test tube centre gripping in the position, rotary disk 101 can drive test tube 100 in the test tube centre gripping position and rotate, so that the identification code on the test tube 100 rotates for recognizer 6, whether response mechanism 7 is used for responding to test tube 100 in the test tube centre gripping position and grasps in place.

In particular, the test tube gripping station is located within the identification area of the identifier 6. It can be understood, test tube 100's lateral wall is the arc structure, the identification code is attached also to be the arc structure with the adaptation of test tube 100 lateral wall on test tube 100 back, complete identification code will be difficult to discern to recognizer 6, consequently, the setting is test tube rotary mechanism 1 in this application, through test tube rotary mechanism 1 with test tube 100 rotation certain angle on test tube rack 2 when test tube 100 enters into recognizer 6 region, make the whole discernment of passing through discernment region confession recognizer 6 of identification code on the test tube 100, be favorable to recognizer 6 to read the information on the test tube 100, so that the subsequent detection operation of sample analysis device. Test-tube rack 2 is used for bearing test tube 100, conveying mechanism 5 carries test-tube rack 2 and test tube 100 motion in step, move on conveying mechanism 5 along with test-tube rack 2, test tube 100 on the test-tube rack 2 enters into test tube clamping position one by one, and press from both sides tightly in test tube 100 adds the position one by rotary disk 101 and two positioning roller 102, because frictional force has between rotary disk 101's the rotating surface and the test tube 100, drive test tube 100 at test tube clamping position internal rotation through frictional force during rotary disk 101 is rotatory, so that the identification code on test tube 100 is whole to supply the recognizer 6 discernments through the identification area. Carry out the centre gripping to test tube 100 through two positioning roller 102, make test tube 100 obtain effective location, test tube 100 is difficult for taking place the pendulum when rotary disk 101 rotates, moves and is favorable to rotary disk 101 to drive test tube 100 and rotates more. Set up induction mechanism 7, whether the centre gripping targets in place in the test tube 100 through induction mechanism 7 response test tube centre gripping position, for operating personnel provides the reference and be favorable to the discernment of recognizer 6 to the identification code on the test tube. Specifically, response mechanism 7 and recognizer 6 communication connection, when response mechanism 7 senses the test tube 100 centre gripping in the test tube centre gripping position and targets in place, recognizer 6 begins to scan the identification code on the test tube, when response mechanism 7 detects that test tube 100 in the test tube centre gripping position does not have the centre gripping to target in place, recognizer 6 stops discerning.

Wherein, the recognizer 6 is any one of a radio frequency receiver, a bar code recognizer and a bar code scanner.

Referring to fig. 6, conveying mechanism 5 in this embodiment includes conveyer belt 502 and is used for driving conveyer belt 502 pivoted drive assembly, drive assembly includes the action wheel, follow driving wheel 501 and driver part, action wheel and follow driving wheel 501 interval distribution, conveyer belt 502 is around establishing on action wheel (not shown in the figure) and follow driving wheel 501, thereby driver part rotates through the drive action wheel and drives and follow driving wheel 501 and conveyer belt 502 and rotate, test-tube rack 2 places on conveyer belt 502, the rotation of conveyer belt 502 drives test-tube rack 2 and removes. Specifically, the driving means includes a first driving motor 503, a first driving wheel 504, a second driving wheel 506, and a driving belt 505, an output shaft of the first driving motor 503 is connected to the first driving wheel 504, the driving wheel is connected to the second driving wheel 506, the driving belt 505 is wound around the first driving wheel 504 and the second driving wheel 506, and the first driving motor 503 is operated to drive the driving wheel to rotate via the first driving wheel 504, the second driving wheel 506, and the driving belt 505. Of course, the conveying mechanism 5 may have other structures in other embodiments, and the structure of the conveying mechanism 5 is not particularly limited herein.

Referring to fig. 6 to 8, sensing mechanism 7 in this embodiment includes inductor 702 and gag lever post 701, inductor 702 interval sets up the one side in test tube clamping position, gag lever post 701's one end protrusion is in test tube clamping position, gag lever post 701's the other end extends towards the direction of inductor 702, gag lever post 701 can remove between test tube clamping position and inductor 702, when test tube 100 is located test tube clamping position, test tube 100 extrudes the direction removal of gag lever post 701 towards inductor 702, make inductor 702 can sense gag lever post 701. Test tube 100 is carried back in to test tube centre gripping position, test tube 100's lateral wall can extrude gag lever post 701 in the test tube centre gripping position, make gag lever post 701 move towards the direction of inductor 702, the one end of keeping away from arc 301 when gag lever post 701 is removed by inductor 702 discernment when the response region of inductor 702, this moment then show test tube 100 in the test tube centre gripping position by the centre gripping target in place, in the time of the practical use,

inductor

702 and 6 communication connection of recognizer, when gag lever post 701 is sensed to inductor 702, recognizer 6 begins to discern the identification code on test tube 100, when inductor 702 does not sense gag lever post 701, recognizer 6 is not discerned the identification code of test tube 100.

Preferably, the sensor 702 is an optical fiber sensor, which is a sensor for converting the state of the object to be measured into a measurable optical signal. The optical fiber sensor is connected with a communication cable, and is in communication connection with the identifier 6 through the communication cable.

Specifically, the sample analysis apparatus further includes a first fixing plate 3, and the sensor 702 is mounted on one side of the first fixing plate 3 through a mounting plate 706. The first fixing plate 3 provides a location for the inductor 702, the mounting plate 706 penetrates through a through hole (not shown in the figure) through which the inductor 702 penetrates, a fastening nut 707 is fixedly arranged on one side surface of the mounting plate 706, the through hole of the fastening nut 707 is right opposite to the through hole, an external thread which is screwed and matched with the fastening nut 707 is arranged on the periphery of the inductor 702, and the inductor 702 is screwed in the fastening nut 707 and partially penetrates through the through hole to extend towards the direction of the limiting rod 701.

Of course, in other embodiments, other types of sensors may be used for the sensor 702, and the type of the sensor 702 is not particularly limited.

In this embodiment, the limiting rod 701 is circular arc-shaped towards the one end of test tube centre gripping position. Because the smooth transition of the surface of circular-arc structure and no edges and corners exist, when gag lever post 701 butt on test tube 100, test tube 100 still can rotate, and avoid the gag lever post 701 to scrape colored test tube 100.

The sensing mechanism 7 further comprises a second fixing plate 703 and an elastic element 708, the second fixing plate 703 is fixedly connected with the first fixing plate 3, one end, away from the test tube clamping position, of the limiting rod 701 passes through the second fixing plate 703, the limiting rod 701 can move relative to the second fixing plate 703, a limiting step 709 is arranged on the limiting rod 701, the limiting step 709 is arranged at an interval with the second fixing plate 703, the elastic element 708 is arranged on the periphery of the limiting rod 701 in a sleeved mode, and two opposite ends of the elastic element 708 are connected with the second fixing plate 703 and the limiting step 709 respectively. The second fixing plate 703 provides a positioning function for the limiting rod 701, and fixes the position of the limiting rod 701 relatively. Specifically, the second fixing plate 703 is provided with a first hole for the limiting rod 701 to pass through, and the limiting rod 701 can move in the first hole. The elastic member 708 is preferably a compression spring. When gag lever post 701's one end was extruded by test tube 100, test tube 100 was at first downthehole activity and was removed towards the direction of inductor 702, and elastic component 708 was compressed by elasticity this moment, and after test tube 100 moved out from test tube centre gripping position, gag lever post 701's extrusion force was repealed, and elastic component 708 drives gag lever post 701 towards the direction aversion of test tube centre gripping position under the effect of elastic deformation power to make gag lever post 701 reset.

Sensing mechanism 7 in this embodiment still includes guide holder 704, second fixed plate 703 is connected to the one end of guide holder 704, and the other end extends towards the direction of test tube centre gripping position, and guide bar 701 runs through the relative both ends of guide holder 704, is provided with guiding hole 7041 on the guide holder 704, and guiding hole 7041 extends along the length direction of gag lever post 701, and gag lever post 701 protrusion is provided with guide bar 705, and guide bar 705 can slide in guiding hole 7041. The guide holder 704 is fixed to the first fixing plate 3 through the second fixing plate 703, and the guide holder 704 can guide the movement of the stopper rod 701 to prevent the movement trajectory of the stopper rod 701 from deviating. The guide holder 704 is provided with a guide hole 7041, and the guide rod 705 slides in the guide hole 7041, so that the moving path of the stopper rod 701 is limited within a proper length range, and the resetting of the stopper rod 701 is facilitated.

Specifically, guide holder 704 is hollow cuboid structure, and second hole and third hole have been seted up respectively to guide holder 704 length direction's both ends, and the second hole is close to first hole setting, and the central line in second hole, third hole and first hole all coincides, and the one end that test tube centre gripping position was kept away from to gag lever post 701 passes third hole, second hole and first hole in proper order and stretches out the outside of second fixed plate 703, and elastic component 708 sets up the inside at guide holder 704. Since the guide holder 704 has a certain length, the stopper rod 701 can be prevented from being inclined due to the influence of its own weight by passing through both ends of the guide holder 704 in the length direction.

Further, the second fixing plate 703 is composed of a first plate 7031 and two second plates 7032, two opposite ends of the first plate 7031 are respectively vertically connected to the two second plates 7032, the two second plates 7032 are respectively located at two opposite sides of the guide seat 704, the second plate 7032 is provided with a threaded hole, the fastening member is screwed into the threaded hole, and one end of the fastening member is fastened to a side surface of the guide seat 704, so that the guide seat 704 is fastened to the second fixing plate 703. Specifically, the abutment is an abutment bolt 710. In this embodiment, two guide holes 7041 are provided, and one guide hole 7041 is provided on the side of the guide base 704 having the second plate 7032.

Referring to fig. 4 to 7, in order to realize the rotation of the rotating disc 101, a second driving motor 103 is connected to the rotating disc 101, and the second driving motor 103 can drive the rotating disc 101 to rotate around the axis thereof. It is only preferable that the second driving motor 103 drives the rotating disc 101 to rotate, and the second driving motor 103 drives the rotating disc 101 to rotate is not the only option, and in practical implementation, the rotating disc 101 may be driven to rotate by a manual or mechanical arm.

In an embodiment, referring to fig. 4 to 7, the two positioning rollers 102 are both mounted on the first fixing plate 3, and an arc-shaped groove 301 is concavely formed at a position of the first fixing plate 3 between the two positioning rollers 102. The first fixing plate 3 provides positioning and supporting functions for the two positioning rollers 102, so that the positions of the positioning rollers 102 are effectively fixed. Because test tube 100's lateral wall is the arc structure, press from both sides tightly in test tube clamping position when test tube 100, test tube 100's part lateral wall protrusion in the gap department between two positioning roller 102, arc wall 301 can provide effectual protection for two positioning roller 102, and arc wall 301 can form good cooperation with the radian of test tube 100's lateral wall, and does not have the edges and corners to exist, makes test tube 100 more smooth and easy in test tube clamping position internal rotation. Specifically, one end of the limiting rod 701, which is far away from the inductor 702, protrudes out of the arc-shaped groove 301.

It can be understood that, for different types of test tubes 100, the outer diameters of the test tubes 100 are different, and in order to enable the test tube clamping positions to be suitable for different types of test tubes 100, referring to fig. 4, 6 and 7, the sample analyzer in this embodiment further includes a sliding mechanism 4 located above the conveying mechanism 5, the sliding mechanism 4 includes a sliding plate 403, a sliding block 401 and a driving member 402, a sliding rail 404 is disposed on the sliding plate 403, the driving member 402 can drive the sliding block 401 to slide on the sliding rail 404, the extending direction of the sliding rail 404 is perpendicular to the conveying direction of the conveying mechanism 5, one side of the sliding block 401 is slidably connected with the sliding rail 404, the other side of the sliding block 401 is connected with the first fixing plate 3, and the sliding block 401 drives the first fixing plate 3 to move along the length direction of the sliding rail 404 to adjust the distance between the positioning roller 102 and the rotating disc 101. The driving part 402 drives the sliding block 401 to slide on the sliding rail 404, so that the distance between the positioning roller 102 and the rotating disk 101 can be adjusted, and the test tube clamping positions can accommodate test tubes 100 with different outer diameters. In addition, the sliding of the sliding block 401 drives the first fixing plate 3 to slide on the sliding plate 403, so that the sensing mechanism 7 and the positioning roller 102 move synchronously, and the failure of the sensing mechanism 7 caused by the adjustment of the position of the positioning roller 102 cannot occur. Wherein the driving member 402 may be a telescopic cylinder.

In this embodiment, the end of the slide plate 403 away from the rotating disk 101 is connected to the third fixing plate 8, and the identifier 6 is mounted on the third fixing plate 8.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. A sample analysis device is characterized by comprising a conveying mechanism, an identifier, a test tube rack, a test tube rotating mechanism and an induction mechanism, wherein the test tube rack is provided with a plurality of placing positions for placing test tubes, the test tube rack can be conveyed along a set direction on the conveying mechanism, the identifier is arranged on one side of the conveying mechanism, the identifier can identify an identification code on the outer side wall of each test tube, the test tube rotating mechanism is arranged above the conveying mechanism and positioned at the front end of the conveying direction of the conveying mechanism, the test tube rotating mechanism comprises a rotating disk and two positioning rollers arranged on one side of the rotating disk at intervals, the two positioning rollers are distributed at intervals, a test tube clamping position is formed between the rotating disk and the positioning rollers, the conveying mechanism can convey the test tubes into the test tube clamping position, the rotary disc can drive the test tube in the test tube clamping position to rotate, so that the identification code on the test tube rotates relative to the identifier, and the induction mechanism is used for inducing whether the test tube in the test tube clamping position is clamped in place or not.

2. The sample analysis device of claim 1, wherein the sensing mechanism comprises a sensor and a limiting rod, the sensor is disposed at one side of the test tube clamping position at an interval, one end of the limiting rod protrudes out of the test tube clamping position, the other end of the limiting rod extends towards the direction of the sensor, the limiting rod can move between the test tube clamping position and the sensor, and when the test tube is located in the test tube clamping position, the test tube presses the limiting rod to move towards the direction of the sensor, so that the sensor can sense the limiting rod.

3. The sample analysis device of claim 2, wherein the sensor is a fiber optic sensor.

4. The sample analysis device of claim 2, further comprising a first fixing plate, wherein the sensor is mounted on one side of the first fixing plate by a mounting plate.

5. The sample analyzer of claim 2, wherein the end of the stop rod facing the tube holding position is configured to have a circular arc shape.

6. The sample analysis device according to claim 4, wherein the sensing mechanism further comprises a second fixing plate and an elastic member, the second fixing plate is fixedly connected with the first fixing plate, one end of the limiting rod, which is far away from the test tube clamping position, passes through the second fixing plate, the limiting rod can move relative to the second fixing plate, a limiting step is arranged on the limiting rod, the limiting step and the second fixing plate are arranged at intervals, the elastic member is sleeved on the periphery of the limiting rod, and two opposite ends of the elastic member are respectively connected with the second fixing plate and the limiting step.

7. The sample analysis device as claimed in claim 6, wherein the sensing mechanism further comprises a guide seat, one end of the guide seat is connected to the second fixing plate, the other end of the guide seat extends towards the test tube clamping position, the limiting rod penetrates through two opposite ends of the guide seat, a guide hole is formed in the guide seat, the guide hole extends along the length direction of the limiting rod, a guide rod is convexly arranged on the limiting rod, and the guide rod can slide in the guide hole.

8. The sample analysis device of claim 4, wherein a second drive motor is coupled to the rotatable disk, the second drive motor being capable of driving the rotatable disk to rotate about its axis.

9. The sample analyzing apparatus of claim 8, wherein both of the positioning rollers are mounted on a first fixing plate, and an arc-shaped groove is recessed in a position of the first fixing plate between the two positioning rollers.

10. The sample analysis device according to claim 4, further comprising a sliding mechanism located above the conveying mechanism, wherein the sliding mechanism comprises a sliding plate, a sliding block and a driving member, the sliding plate is provided with a sliding rail, the driving member can drive the sliding block to slide on the sliding rail, the sliding rail extends in a direction perpendicular to the conveying direction of the conveying mechanism, one side of the sliding block is slidably connected with the sliding rail, the other side of the sliding block is connected with the first fixing plate, and the sliding of the sliding block drives the first fixing plate to move along the length direction of the sliding rail so as to adjust the distance between the positioning roller and the rotating disk.