CN219533510U - Detect sample carrier and sample detecting system - Google Patents

Abstract

The utility model discloses a sample detection carrier and a sample detection system, wherein the sample detection carrier comprises a sample turntable for carrying and driving a detection sample to rotate, a lifting mechanism for driving the sample turntable to lift, a rotating mechanism for rotating the sample turntable and a linear motion mechanism for horizontally moving the sample turntable; wherein the sample turntable can be rotatably arranged around a vertical rotation axis; the lifting mechanism is provided with a lifting table capable of moving along the rotation axis, and the sample turntable is arranged on the lifting table; the rotating mechanism is provided with a rotating table capable of rotating around the rotating axis, and the lifting mechanism is arranged on the rotating table; the linear motion mechanism is provided with a sliding table capable of horizontally moving, and the rotating mechanism is arranged on the sliding table. The detection sample carrier provided by the utility model has the advantages of being small in size and compact in structure, and more in number of detection samples can be carried at one time, so that the frequency of replacing the detection samples is reduced, the equipment utilization rate is improved.

Description

Detect sample carrier and sample detecting system

Technical Field

The utility model relates to the field of automatic detection equipment, in particular to a sample detection carrier and a sample detection system.

Background

When observing a sample, the optical imaging device such as a microscope needs to observe an ocular lens by naked eyes, meanwhile, the manual operation of the objective table X, Y shaft moving knob enables the sample position placed on the objective table of the microscope to realize plane movement, and the manual operation of the objective table Z shaft moving knob changes the height position of the sample from the objective lens so as to find the optimal optical imaging focus. Although an improved electric stage is proposed for the traditional manual stage, the number of samples that can be placed on the stage at one time is limited by the movement stroke in the directions of the X axis and the Y axis, and after the batch of samples are detected, the stage needs to be stopped to replace the next batch of samples to be detected, so that the problems of long idle time, insufficient utilization rate and the like of the stage are caused by the fact that the number of samples that can be loaded on the stage at one time is less.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an improved sample detection carrier and a sample detection system.

The utility model adopts the following technical scheme:

the sample detection carrier comprises a sample turntable for carrying and driving a detection sample to rotate, a lifting mechanism for driving the sample turntable to lift, a rotating mechanism for rotating the sample turntable and a linear motion mechanism for horizontally moving the sample turntable;

wherein the sample turntable can be rotatably arranged around a vertical rotation axis; the lifting mechanism is provided with a lifting table capable of moving along the rotation axis, and the sample turntable is arranged on the lifting table; the rotating mechanism is provided with a rotating table capable of rotating around the rotating axis, and the lifting mechanism is arranged on the rotating table; the linear motion mechanism is provided with a sliding table capable of horizontally moving, and the rotating mechanism is arranged on the sliding table.

In another preferred embodiment, the sample detection carrier comprises a sample turntable for carrying and driving the sample detection to rotate, a rotating mechanism for rotating the sample turntable, a lifting mechanism for driving the sample turntable to lift and a linear motion mechanism for horizontally moving the sample turntable;

wherein the sample turntable can be rotatably arranged around a vertical rotation axis; the rotating mechanism is provided with a rotating table capable of rotating around the rotating axis, and the sample rotating table is arranged on the rotating table; the lifting mechanism is provided with a lifting table capable of moving along the rotation axis, and the rotating mechanism is arranged on the lifting table; the linear motion mechanism is provided with a sliding table capable of horizontally moving, and the lifting mechanism is arranged on the sliding table.

In a preferred embodiment, the sample carousel is provided with a plurality of sample placement areas, which are arranged at intervals along the circumferential direction of the sample carousel.

In a more preferred embodiment, the plurality of sample placement areas are equally spaced along the circumferential direction of the sample carousel.

In a preferred embodiment, the test sample carrier further comprises a bottom plate, and the linear motion mechanism is disposed on the bottom plate.

In a more preferred embodiment, the base plate is a vibration isolation table. The vibration-proof table can absorb environmental vibration and detect vibration generated when the sample carrier works.

In a preferred embodiment, the sample stage further includes a housing, wherein a portion of the sample turntable, the lifting mechanism, the rotating mechanism, and the linear motion mechanism are disposed in the housing, a window is formed in the housing, and another portion of the sample turntable extends out of the housing through the window.

In a preferred embodiment, the lifting mechanism comprises a first motor, a first screw rod driven to rotate by the first motor and a first nut sleeved on the first screw rod, the first screw rod is vertically arranged, the first nut and the first screw rod are in threaded connection and can move along the first screw rod, the lifting table is fixedly connected with the first nut, and the lifting table is provided with an assembly hole for connecting the sample turntable or the rotating mechanism;

the rotating mechanism comprises a second motor and a speed reducer, the input end of the speed reducer is connected with the second motor, the rotating table is connected with the output end of the speed reducer, and the rotating table is provided with an assembly hole for connecting the sample turntable or the lifting mechanism;

the linear motion mechanism comprises a third motor, a second screw rod driven to rotate by the third motor and a second nut sleeved on the second screw rod, the second screw rod is horizontally arranged, the second nut is in threaded connection with the second screw rod and can move along the second screw rod, the sliding table is fixedly connected with the second nut, and an assembly hole for connecting the lifting mechanism or the rotating mechanism is formed in the sliding table.

In a preferred embodiment, the sample detecting carrier further includes two first position sensors for detecting two extreme positions of the lifting platform, and a first limiting member adapted to the first position sensors is disposed on the lifting platform, and the first limiting member is located between the two first position sensors.

In a preferred embodiment, the sample detection carrier further includes two second position sensors for detecting two extreme positions of the sliding table, and a second limiting member adapted to the second position sensors is disposed on the lifting table, and the second limiting member is located between the two second position sensors.

The utility model also adopts the following technical scheme:

a sample detection system comprising an optical imaging device, the sample detection system further comprising the detection sample stage described above, a portion of the sample carousel being located below an objective lens of the optical imaging device.

Compared with the prior art, the utility model has the following advantages:

according to the sample detection carrier, the sample turntable is enabled to realize the motions of three degrees of freedom of in-XY plane rotation, vertical translation and horizontal translation by adopting the lifting mechanism, the rotating mechanism and the linear motion mechanism, so that the positioning and focusing of samples are realized, the sample turntable is rotatable, so that the sample turntable can be used for distributing detection samples in a 360-degree range along the circumferential direction of the sample turntable, the samples are sent to the position below an objective lens of an optical imaging device one by one through rotation, a large number of detection samples can be distributed under the condition of the same volume, and the number of detection samples which can be carried at one time is obviously increased; furthermore, the frequency of replacing the detection sample can be reduced, the idle time of the objective table is reduced, and the utilization rate of the objective table is improved. Compared with the mode of XYZ three-axis translation, the detection sample carrier can improve the space utilization rate, and the volume of the detection sample carrier is obviously increased under the condition of the same volume or is obviously reduced when the same sample number is accommodated. In addition, the functions of electric positioning, focusing and the like of the sample can be realized without modifying the existing optical device, the acquisition function of the image under the sample mirror can be finally realized, the detection working efficiency is improved, and the cost of the whole scheme is saved.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a block diagram of a sample detection system according to embodiment 1 of the present utility model;

fig. 2 is a perspective view of a test sample stage according to embodiment 1 of the present utility model;

FIG. 3 is an exploded view of a sample stage according to embodiment 1 of the present utility model;

fig. 4 is a structural view of the elevating platform according to embodiment 1 of the present utility model in the lowest position and the slide table in the rightmost side;

fig. 5 is a structural view of the elevating platform according to embodiment 1 of the present utility model in the highest position and the slide table in the leftmost position;

FIG. 6 is a partial block diagram of the sample stage according to embodiment 1 of the present utility model;

FIG. 7 is another partial construction diagram of a test sample stage according to embodiment 1 of the present utility model;

FIG. 8 is a top view of the sample carousel;

FIGS. 9a and 9b are schematic diagrams of a lifting mechanism and a linear motion mechanism, respectively;

FIG. 10 is a schematic view of a rotation mechanism;

FIG. 11 is a block diagram of a sample detection system according to embodiment 2 of the present utility model;

fig. 12 is a perspective view of a test sample stage according to embodiment 2 of the present utility model at one viewing angle;

fig. 13 is a perspective view of a test sample carrier according to embodiment 2 of the present utility model at another view angle;

FIG. 14 is an exploded view of a test sample stage according to embodiment 2 of the present utility model;

fig. 15 is a schematic view showing a lifting table at the lowest position and a sliding table at the rightmost side according to embodiment 2 of the present utility model;

fig. 16 is a schematic view showing the elevating platform at the highest position and the sliding table at the leftmost side according to embodiment 2 of the present utility model.

Wherein,,

100. an optical imaging device; 101. an objective lens;

1. a sample carousel; 11. a sample placement area;

2. a lifting mechanism; 21. a lifting table; 211. a fitting hole; 212. a first limiting member; 213. a second limiting piece; 22. a first motor; 23. a first lead screw; 24. a first nut; 25. a fixing part;

3. a rotation mechanism; 31. a rotary table; 32. a second motor; 33. a speed reducer; 333. a worm wheel; 334. a worm; 34. a coupling;

4. a linear motion mechanism; 41. a sliding table; 42. a third motor; 43. a second lead screw; 44. a second nut; 5. a bottom plate; 6. a first position sensor; 7. a second position sensor.

Detailed Description

Preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

Fig. 1 illustrates a sample detection system, such as a biological sample detection system, that includes an optical imaging device 100 and a detection sample stage. Fig. 2 to 10 show one of the test sample carriers. Referring to fig. 1 to 10, the sample stage for detection includes a sample carousel 1 for carrying and rotating a sample for detection, a lifting mechanism 2 for lifting and lowering the sample carousel 1, a rotation mechanism 3 for rotating the sample carousel 1, a linear motion mechanism 4 for horizontally moving the sample carousel 1, a base plate 5, a first position sensor 6, a second position sensor 7, and a housing (not shown in the figures). Wherein, part of sample carousel 1, elevating system 2, rotary mechanism 3 and linear motion mechanism 4 locate in the shell, have seted up the window on the shell, and another part of sample carousel 1 passes through the window and extends outside the shell. The base plate 5 is made of shockproof materials and is used for absorbing various physical vibrations in the working environment and guaranteeing the stability and definition of optical imaging.

Further, referring to fig. 8, the sample carousel 1 is rotatably disposed around a vertical rotation axis, and a plurality of sample placement areas 11 are disposed on the sample carousel 1, and the plurality of sample placement areas 11 are disposed at equal intervals along the circumferential direction of the sample carousel 1, that is, more samples can be placed on the sample carousel 1. The shape of the sample carousel can be designed according to the size and the use requirement of the loaded sample, and is usually a symmetrical shape, such as a circle or a symmetrical polygon. In this embodiment, the sample carousel 1 is circular.

The lifting mechanism 2 is provided with a lifting table 21 capable of moving along the axis of rotation, and the sample turntable 1 is arranged on the lifting table 21; the rotation mechanism 3 has a rotation table 31 rotatable about a rotation axis, and the lifting mechanism 2 is provided on the rotation table 31; the linear movement mechanism 4 is provided on the base plate 5, the linear movement mechanism 4 has a slide table 41 capable of horizontally moving, and the rotation mechanism 3 is provided on the slide table 41. The structures of the lifting mechanism 2, the rotating mechanism 3 and the linear motion mechanism 4 are not essential to the utility model, and modules known in the prior art can be adopted, for example, the lifting mechanism 2 can be a lifting platform module of the OSMS60-10ZF model of the sigma-light machine Co., ltd (Japan), the rotating mechanism 3 can be a rotating platform module of the OSMS-60YAW model of the sigma-light machine Co., ltd (Japan), and the linear motion mechanism 4 can be a linear motion platform module of the OSMS26-100 (X) model of the sigma-light machine Co., ltd (Japan). Fig. 9a and 9b schematically show the structures of the lifting mechanism 2 and the linear motion mechanism 4, fig. 10 schematically shows the structure of the rotation mechanism 3, and a specific structure of the lifting mechanism 2, the rotation mechanism 3, and the linear motion mechanism 4 is schematically described below with reference to the drawings.

Referring to fig. 9a, the lifting mechanism 2 includes a first motor 22, a first screw rod 23 driven to rotate by the first motor 22, and a first nut 24 fitted over the first screw rod 23, and a fixing portion 25 and a coupling 34 are provided between the first motor 22 and the first screw rod 23. The first screw rod 23 is vertically arranged, the first nut 24 and the first screw rod 23 are in threaded connection and can move along the first screw rod 23, the lifting table 21 is fixedly connected with the first screw rod 24, and the lifting table 21 is provided with an assembly hole 211, such as a screw hole, for connecting the sample turntable 1. The lifting table 21 can be fixedly connected with the sample turntable 1 through screws.

Referring to fig. 9b, the linear motion mechanism 4 includes a third motor 42, a second screw 43 driven to rotate by the third motor 42, and a second nut 44 fitted over the second screw 43, and a fixing portion 25 and a coupling 34 are provided between the third motor 42 and the second screw 43. The second screw 43 is horizontally arranged, the second nut 44 is in threaded connection with the second screw 43 and can move along the second screw 43, the sliding table 41 is fixedly connected with the second nut 44, and the sliding table 41 is provided with an assembly hole 211 for connecting the rotating mechanism 3, such as a screw hole. The sliding table 41 may be fixedly connected with the housing of the rotation mechanism 3 by a screw.

Referring to fig. 10, the rotation mechanism 3 includes a second motor 32 and a speed reducer 33, and a coupling 34 is provided between the second motor 32 and the speed reducer 33. The speed reducer 33 may be a worm gear speed reducer, a bevel gear speed reducer, a harmonic speed reducer, etc., and the speed reducer 33 is used for speed regulation and torque direction change. The speed reducer 33 in this embodiment is a worm gear speed reducer, the input end of the speed reducer 33 is connected to the second motor 32, and the rotary table 31 is connected to the output end of the speed reducer 33. The rotary table 31 is provided with an assembly hole 211, such as a screw hole, for connecting the elevating mechanism 2. The rotary table 31 may be fixedly connected to the housing of the lifting mechanism 2 by screws.

The lifting mechanism 2 and the linear motion mechanism 4 respectively have two limit positions, and the rotation mechanism 3 can rotate 360 degrees. Fig. 4 and 5 show the two extreme positions of the lifting table 21 of the lifting mechanism 2 and the slide table 41 of the linear movement mechanism 4, respectively, wherein fig. 4 shows the lifting table 21 in its lowest position, the slide table 41 in its rightmost position, and fig. 5 shows the lifting table 21 in its highest position, the slide table 41 in its leftmost position.

Further, whether the elevating platform 21 reaches the limit position is detected by the cooperation of the first position sensor 6 and the first stopper 212, and whether the sliding platform 41 reaches the limit position is detected by the cooperation of the second position sensor 7 and the second stopper 213.

Referring to fig. 7, the number of the first position sensors 6 is two, the first position sensors 6 are used for detecting two extreme positions of the lifting platform 21, the lifting platform 21 is provided with first limiting pieces 212 matched with the first position sensors 6, and the first limiting pieces 212 are located between the two first position sensors 6.

Referring to fig. 6, the number of the second position sensors 7 is two, the second position sensors 7 are used for detecting two limit positions of the sliding table 41, the sliding table 41 is provided with second limiting pieces 213 adapted to the second position sensors 7, and the second limiting pieces 213 are located between the two second position sensors 7.

Referring to fig. 1, a portion of the sample carousel 1 is positioned below the objective lens 101 of the optical imaging device 100 at the time of detection.

The sample detection carrier of the embodiment comprises a sample rotary table 1, a plurality of samples can be arranged at intervals along the circumferential direction on the sample rotary table 1, and each time a sample is detected, the detection of different detection sites or different samples of the same sample can be realized by utilizing a rotary mechanism 3 and a linear motion mechanism 4. The detection sample carrier has the advantages of being simple in structure, large in sample capacity, small in size, flexible in function and the like, can realize sample detection automation without modifying an existing optical device under the condition of saving cost, and improves detection working efficiency.

The working procedure of the sample detection carrier of this embodiment is as follows: the first screw rod 23 is driven to rotate by the first motor 22, the first nut 24 sleeved on the first screw rod 23 moves along the first screw rod 23, and the lifting table 21 is connected with the sample turntable 1 due to the fixed connection of the first nut 24 and the lifting table 21, so that the lifting table 21 can move along with the movement of the first nut 24, and the sample turntable 1 is driven to move up and down to finish lifting. The lifting table 21 moves up and down in the vertical direction, the distance between the objective lens 101 and the sample placement area 11 can be adjusted, so that the sample placement area 11 is placed at the focus position of the objective lens 101, and sample focusing is realized; the rotary table 31 is connected with the speed reducer 33, and the rotary table 31 is connected with the lifting mechanism 2 to realize the rotation of the sample rotary table 1; the third motor 42 drives the second screw rod 43 to rotate, the second nut 44 sleeved on the second screw rod 43 moves along the second screw rod 43, the sliding table 41 is fixedly connected with the second nut 44, and the sliding table 41 is connected with the rotating mechanism 3, so that the sliding table 41 can move along with the movement of the second nut 44, the linear motion mechanism 4 and the rotating mechanism 3 are matched together, the sample turntable 1 is rotated and the sample turntable 1 is translated, so that different positions of the same sample or different samples can be sequentially moved to the position right under an objective lens of the optical imaging device, and detection can be performed.

Example 2

Referring to fig. 11 to 16, the present embodiment differs from embodiment 1 in that: the positions of the lifting mechanism 2 and the rotating mechanism 3 are different. Specifically, the rotary table 31 of the rotation mechanism 3 is fixedly connected to the sample carousel 1 through the fitting hole 211, the rotation mechanism 3 is provided on the lifting table 21 of the lifting mechanism 2, and the lifting mechanism 2 is provided on the slide table 41 of the linear motion mechanism 4. I.e. the positions of the lifting mechanism 2 and the rotation mechanism 3 are interchanged.

As used in this specification and in the claims, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus. The term "and/or" as used herein includes any combination of one or more of the associated listed items.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. Further, the descriptions of the upper, lower, left, right, etc. used in the present utility model are merely with respect to the mutual positional relationship of the constituent elements of the present utility model in the drawings.

The above-described embodiments are provided for illustrating the technical concept and features of the present utility model, and are intended to be preferred embodiments for those skilled in the art to understand the present utility model and implement the same according to the present utility model, not to limit the scope of the present utility model. All equivalent changes or modifications made according to the principles of the present utility model should be construed to be included within the scope of the present utility model.

Claims (11)

1. The detection sample carrier is characterized by comprising a sample turntable for carrying and driving a detection sample to rotate, a lifting mechanism for driving the sample turntable to lift, a rotating mechanism for rotating the sample turntable and a linear motion mechanism for horizontally moving the sample turntable;

wherein the sample turntable can be rotatably arranged around a vertical rotation axis; the lifting mechanism is provided with a lifting table capable of moving along the rotation axis, and the sample turntable is arranged on the lifting table; the rotating mechanism is provided with a rotating table capable of rotating around the rotating axis, and the lifting mechanism is arranged on the rotating table; the linear motion mechanism is provided with a sliding table capable of horizontally moving, and the rotating mechanism is arranged on the sliding table.

2. The detection sample carrier is characterized by comprising a sample turntable for carrying and driving a detection sample to rotate, a rotating mechanism for enabling the sample turntable to rotate, a lifting mechanism for driving the sample turntable to lift and a linear motion mechanism for enabling the sample turntable to horizontally move;

wherein the sample turntable can be rotatably arranged around a vertical rotation axis; the rotating mechanism is provided with a rotating table capable of rotating around the rotating axis, and the sample rotating table is arranged on the rotating table; the lifting mechanism is provided with a lifting table capable of moving along the rotation axis, and the rotating mechanism is arranged on the lifting table; the linear motion mechanism is provided with a sliding table capable of horizontally moving, and the lifting mechanism is arranged on the sliding table.

3. The test sample carrier according to claim 1 or 2, wherein a plurality of sample placement areas are provided on the sample carousel, the plurality of sample placement areas being arranged at intervals along a circumferential direction of the sample carousel.

4. The test sample carrier of claim 3, wherein the plurality of sample placement areas are equally spaced along a circumferential direction of the sample carousel.

5. The test sample carrier of claim 1 or 2, further comprising a base plate, the linear motion mechanism being disposed on the base plate.

6. The test sample carrier of claim 5, wherein the base plate is a vibration-proof plate.

7. The test sample carrier of claim 1 or 2, further comprising a housing, wherein a portion of the sample carousel, the lifting mechanism, the rotating mechanism, and the linear motion mechanism are disposed within the housing, wherein a window is formed in the housing, and wherein another portion of the sample carousel extends out of the housing through the window.

8. The sample detection carrier according to claim 1 or 2, wherein the lifting mechanism comprises a first motor, a first screw rod driven to rotate by the first motor and a first nut sleeved on the first screw rod, the first screw rod is vertically arranged, the first nut and the first screw rod are in threaded connection and can move along the first screw rod, the lifting platform is fixedly connected with the first nut, and an assembly hole for connecting the sample turntable or the rotating mechanism is formed in the lifting platform;

the rotating mechanism comprises a second motor and a speed reducer, the input end of the speed reducer is connected with the second motor, the rotating table is connected with the output end of the speed reducer, and the rotating table is provided with an assembly hole for connecting the sample turntable or the lifting mechanism;

the linear motion mechanism comprises a third motor, a second screw rod driven to rotate by the third motor and a second nut sleeved on the second screw rod, the second screw rod is horizontally arranged, the second nut is in threaded connection with the second screw rod and can move along the second screw rod, the sliding table is fixedly connected with the second nut, and an assembly hole for connecting the lifting mechanism or the rotating mechanism is formed in the sliding table.

9. The test sample carrier according to claim 1 or 2, further comprising two first position sensors for detecting two extreme positions of the lifting platform, wherein a first limiting member adapted to the first position sensors is arranged on the lifting platform, and the first limiting member is located between the two first position sensors.

10. The test sample carrier according to claim 1 or 2, further comprising two second position sensors for detecting two extreme positions of the slide table, wherein a second limiting member adapted to the second position sensors is provided on the slide table, and the second limiting member is located between the two second position sensors.

11. A sample detection system comprising an optical imaging device, wherein the sample detection system further comprises a detection sample stage according to any one of claims 1 to 10, a portion of the sample carousel being located below an objective lens of the optical imaging device.