CN218475307U - Sample tray frame, sample tray subassembly and experimental facilities - Google Patents

Abstract

A sample tray rack, a sample tray assembly and an experimental device, the sample tray rack comprises a supporting structure and a first suction accessory, the supporting structure is provided with a first surface; first inhaling annex sets up in bearing structure to expose from the first surface, the first surface is used for supporting sample tray, and first inhaling annex is used for adsorbing with sample tray and is connected to be connected sample tray and sample tray frame fixedly. Sample tray frame through set up first absorption part at bearing structure, first absorption part exposes from the first surface for place the sample tray at the first surface and adsorb with first absorption part and be connected, make sample tray and sample tray frame be connected fixedly, make the in-process sample tray that the sample that takes and hold carrier remain stable, can not break away from sample tray frame and drop, guarantee the safety of sample.

Description

Sample tray frame, sample tray subassembly and experimental facilities

Technical Field

The utility model relates to a sample testing equipment technical field, concretely relates to sample tray frame, sample tray subassembly and experimental facilities.

Background

To test the properties of a sample, it is often necessary to use laboratory equipment for the test. For example, the components of the sample can be qualitatively and quantitatively analyzed and identified by an X-ray diffractometer (XPD or XRD for short).

The samples are typically housed in sample carriers that are placed on sample tray racks by sample trays. When the experimental equipment works, the sample bearing parts are taken from the sample tray to the detection position of the experimental equipment for detection.

The sample tray may be unstable when the sample carrier is taken, so that the sample tray may fall off the sample tray rack.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sample tray frame, sample tray subassembly and experimental facilities solve the sample tray and break away from sample tray frame and have the problem of the risk that drops.

For realizing the purpose of the utility model, the utility model provides a following technical scheme:

in a first aspect, the present invention provides a sample tray rack, including: a support structure having a first surface; the first suction piece is arranged on the supporting structure and exposed out of the first surface, the first surface is used for supporting the sample tray, and the first suction piece is used for being connected with the sample tray in a suction mode so as to fixedly connect the sample tray with the sample tray rack.

In one embodiment, the first attraction part is a permanent magnet or an electromagnet, and the first attraction part is connected with the sample tray through magnetic attraction.

In one embodiment, the supporting structure includes a base, a supporting member, and a bracket, the bracket is fixed to the base through the supporting member, a surface of the bracket facing away from the base is the first surface, the first suction member is disposed on the base or the bracket, the bracket is opened with a through hole penetrating to the first surface, and the first suction member extends into the through hole.

In one embodiment, the bracket includes a second surface opposite the first surface, the second surface being opposite the base, the aperture passing through from the first surface to the second surface.

In one embodiment, the end surface of the first suction member remote from the base is a tip end surface, which is flush with the first surface, or alternatively, the tip end surface is recessed relative to the first surface.

In one embodiment, the tip end surface is recessed from the first surface by a depth of 0.1mm to 1mm.

In one embodiment, the through hole is located at an intermediate position of the first surface.

In one embodiment, the first surface is provided with a first positioning portion, and the first positioning portion is used for being matched and connected with a second positioning portion on the sample tray to realize positioning.

In one embodiment, the first positioning portion and the second positioning portion are a plurality of one-to-one correspondence portions, one of the first positioning portion and the second positioning portion is a pin, and the other of the first positioning portion and the second positioning portion is a pin hole, and the first positioning portion and the second positioning portion cooperate to position the sample tray on the first surface.

In one embodiment, the first surface is provided with a sensor for sensing the position of the sample tray relative to the sample tray holder.

In one embodiment, the first absorbing part is an electromagnet, the sample tray rack further comprises a controller, the controller is electrically connected with the electromagnet and the sensor respectively, and the controller is used for acquiring a sensing signal of the sensor and controlling the on-off state of the electromagnet.

In a second aspect, the present invention also provides a sample tray assembly, comprising a sample tray and any one of the various embodiments of the first aspect, wherein the sample tray is fixedly connected to the sample tray, and the sample tray is used for placing a sample carrier.

In one embodiment, the sample tray comprises a second adsorption member, and the first adsorption member is in adsorption connection with the second adsorption member.

In one embodiment, the first adsorbing member is an electromagnet, and the second adsorbing member is a permanent magnet.

In a third aspect, the present invention also provides an experimental apparatus, comprising an experimental platform and the sample tray assembly of any one of the various embodiments of the second aspect, wherein the sample tray frame of the sample tray assembly is arranged on the experimental platform.

In one embodiment, the sample tray rack further comprises a handling device disposed on the experiment platform, wherein the handling device is used for loading and unloading the sample tray in the sample tray assembly to the sample tray rack, and/or the handling device is used for taking and placing the sample carrier from the sample tray.

The utility model provides a sample tray frame through set up first absorption part at bearing structure, and first absorption part exposes from the first surface for place the sample tray on first surface and first absorption part adsorb and be connected, make sample tray and sample tray frame be connected fixedly, make the in-process sample tray that the sample that takes and holds carrier remain stable, can not break away from sample tray frame and drop, guarantee the safety of sample.

Drawings

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

FIG. 1 is a perspective view of an embodiment of a sample tray rack;

FIG. 2 is a top view of an embodiment of a sample tray rack;

FIG. 3 is a side view of an embodiment of a sample tray rack;

FIG. 4 is a perspective view of a sample tray of an embodiment;

FIG. 5 is a bottom view of a sample tray of an embodiment.

Description of reference numerals:

10-support structure, 11-base, 111-mounting hole, 12-support, 13-bracket, 131-first surface, 132-second surface, 133-passing hole, 134-mounting through hole, 135-mating hole, 136-first positioning portion, 14-base, 141-first outer side, 142-step surface, 15-boss, 151-second outer side;

20-first suction attachment, 21-tip face, 30-inductor;

50-sample tray, 51-main body, 511-third surface, 512-fourth surface, 513-containing groove, 514-second positioning part, 52-second adsorption part, 53-fastening part.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1 to 3, an embodiment of the present invention provides a sample tray rack, including a support structure 10 and a first suction member 20.

Referring to fig. 1 and 3, the specific shape and structure of the support structure 10 may not be limited, and the support structure 10 has a first surface 131, and the first surface 131 is used for supporting the sample tray 50 (refer to fig. 4 and 5). The first surface 131 is an outer surface of one side of the support structure 10, for example, as shown in fig. 1 and 3, and the first surface 131 is a top surface (outer surface of an upper side in fig. 3) of the support structure 10. The first surface 131 may be a plane or a curved surface, which is adapted to a corresponding surface of the sample tray 50 (refer to the fourth surface 512 in fig. 4 and 5).

The support structure 10 is fixed to form a support base for other structures, such as the first surface 131 for placing the sample tray 50, and the support structure 10 forms a support for the sample tray 50.

The first suction attachment 20 is disposed on the support structure 10 and exposed from the first surface 131. The first suction attachment 20 is used for suction connection with the sample tray 50 to connect and fix the sample tray 50 with the sample tray rack.

The first suction attachment 20 can be attached to the support structure 10 in any suitable manner, such as by screwing, snapping, bonding, welding, etc. The specific shape and configuration of the first suction attachment 20 is not limited. Referring to fig. 1 and 4, the suction connection of the first suction member 20 to the sample tray 50 may be vacuum suction, magnetic suction, adhesive suction, or the like.

Alternatively, referring to fig. 1, the first adsorption member 20 is a permanent magnet or an electromagnet, and the first adsorption member 20 is connected to the sample tray 50 by magnetic adsorption. Specifically, the sample tray 50 can be magnetically attracted, for example, as shown in fig. 5, the sample tray 50 is provided with a second adsorption member 52, and the first adsorption member 20 and the second adsorption member 52 can be magnetically attracted. The first attraction member 20 is a permanent magnet, and has magnetism at all times, and can maintain magnetic attraction force at any time. The first suction member 20 is an electromagnet, and can be magnetized when energized, and can be magnetically sucked. The magnetic adsorption mode has simple structure, easy realization in technology and low cost.

Referring to fig. 1 and 4, after the first suction attachment 20 is connected to the sample tray 50 in a suction manner, so that the sample tray 50 is fixedly connected to the sample tray rack, when the sample carrier is taken from the sample tray 50, the sample tray 50 and the sample tray rack are stably connected, and the sample tray 50 does not fall off the sample tray rack.

Therefore, the embodiment of the utility model provides a sample tray frame, through set up first suction means 20 at bearing structure 10, first suction means 20 exposes from first surface 131 for place the sample tray 50 of first surface 131 adsorb with first suction means 20 and be connected, make sample tray 50 be connected fixedly with sample tray frame, make the in-process sample tray 50 that takes sample carrier keep stable, can not break away from sample tray frame and drop, guarantee the safety of sample.

In one embodiment, referring to fig. 1 to 3, the supporting structure 10 includes a base 11, a supporting member 12 and a bracket 13. The bracket 13 is fixed on the base 11 through the support 12, the surface of the bracket 13 opposite to the base 11 is a first surface 131, and the first suction attachment 20 is arranged on the base 11 or the bracket 13.

The base 11 is used for being fixed with other structures, for example, the base 11 is fixed on an experiment platform of the experiment equipment. The base 11 and the bracket 13 may be substantially plate-shaped, and may be substantially parallel to each other, and may be supported by the support 12 with a space therebetween. The first suction attachment 20 may be disposed on the base 11 at a spacing between the base 11 and the bracket 13. The first suction attachment 20 may also be disposed on the bracket 13 at a spacing between the base 11 and the bracket 13. The first suction member 20 may be exposed from the first surface 131 by any means so that the first suction member 20 can be suction-connected to the sample tray 50 placed on the first surface 131.

The base 11 and the bracket 13 have a good structural strength and serve as a structural support base. The base 11 and the bracket 13 may be made of metal, such as aluminum alloy, steel, magnesium alloy, etc. The base 11 and the bracket 13 may also be made of non-metal, such as high-strength plastic, glass, resin, etc. The base 11 and the bracket 13 may be opaque or transparent, without limitation. The shapes of the base 11 and the bracket 13 may be plate-like, block-like, etc., without limitation, and the structures of the base 11 and the bracket 13 are not limited.

The supporting member 12 may be a column, and the material may be metal. Such as aluminum alloy, steel, etc., and can also be nonmetal such as plastic, wood, etc. The two ends of the support member 12 are respectively connected and fixed with the base 11 and the bracket 13, and the connection and fixation mode can be clamping, screwing, welding and the like, which are not limited. For example, as shown in fig. 1, one end of the supporting member 12 is fixed to the base 11, and may be a hole formed in the base 11, the supporting member 12 is inserted into the hole, a matching hole 135 is formed in the bracket 13, the matching hole 135 is aligned with an end of the supporting member 12 facing away from the base 11, and the bracket 13 is moved toward the base 11, so that the supporting member 12 is inserted into the matching hole 135, and the supporting member 12 is tightly attached to an inner wall of the matching hole 135 to achieve a matching connection.

The number of the supporting members 12 may be plural, and the supporting members 12 are uniformly arranged at four corners of the base 11, and as shown in fig. 1, the number of the supporting members 12 is 4, and 1 is arranged at each of the four corners of the base 11. In this way, uniform support of the carriage 13 can be achieved.

By providing the structure in which the support structure 10 includes the base 11, the support member 12, and the bracket 13, the structure is simple, and the bracket 13 and the base 11 have a space therebetween, facilitating the disposition of the first suction attachment 20.

The bracket 13 is opened with a through hole 133 penetrating to the first surface 131, and the first suction member 20 is inserted into the through hole 133. The arrangement of the first suction attachment 20 can be facilitated by the holes 133.

Optionally, referring to fig. 1 and 3, the bracket 13 includes a second surface 132 opposite to the first surface 131, and the second surface 132 is opposite to the base 11 and penetrates through the hole 133 from the first surface 131 to the second surface 132.

As described above, the first suction member 20 is disposed between the base 11 and the bracket 13, and the through hole 133 is disposed to penetrate the first surface 131 and the second surface 132, so that the first suction member 20 can be extended from the second surface 132 into the through hole 133 and exposed to the first surface 131 side.

Alternatively, referring to fig. 1 to 3, the end surface of the first suction attachment 20 away from the base 11 is a top end surface 21, and the top end surface 21 is flush with the first surface 131. At this time, the top end face 21 and the first surface 131 are both used for supporting the sample tray 50, the supporting effect is good, and the top end face 21 is in direct contact with the sample tray 50, so that the adsorption effect is good.

Alternatively, the top end face 21 is recessed relative to the first surface 131. In this case, the top end surface 21 and the sample tray 50 have a gap therebetween, and a projection or the like of the sample tray 50 due to a machining error can be accommodated, that is, a large machining error can be tolerated, and it is possible to avoid the sample tray 50 from being placed on the first surface 131 in an unapproximated manner due to a large error.

Further, the top end face 21 is recessed relative to the first surface 131 by a depth of 0.1mm to 1mm. Specifically, the depth of the recess may be 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1mm, or the like. The specific depth of the recess may be determined by the tolerance requirements during the manufacturing process, and it is ensured as much as possible that the top end surface 21 does not interfere with the placement of the sample tray 50 on the first surface 131.

Alternatively, referring to fig. 1 and 2, the through hole 133 is located at a middle position of the first surface 131. The middle position is an area where a circle with a certain radius from the geometric center of the first surface 131 is located. If the first surface 131 is rectangular, the geometric center point thereof is the intersection of the diagonal lines, and a circle is made with the point as the center, the radius of the circle corresponding to the size of the first suction member 20 and the passing hole 133. When the first suction member 20 is received in the passing hole 133, the first suction member 20 can be closely attached to the inner wall of the passing hole 133 or have a small clearance. In this way, the first suction attachment 20 also performs suction connection to the sample tray 50 at the middle position of the first surface 131, and the sample tray 50 is placed on the first surface 131, so that the middle position of the sample tray 50 is also suction-connected to the first suction attachment 20, and the stability of connection and fixation can be improved.

Optionally, referring to fig. 1, the base 11 is provided with a mounting hole 111, the bracket 13 is provided with a mounting through hole 134 facing the mounting hole 111, and the mounting hole 111 is used for being connected with a locking member such as a screw in a matching manner, so as to fix the base 11 to a mounting position such as an experimental platform of an experimental device. The mounting through-hole 134 is used for a locking tool such as a screwdriver to pass through, and the locking tool is used for locking the locker.

The mounting holes 111 and the mounting through holes 134 correspond to each other one by one, and the number of the mounting holes may be plural, so as to fix the base 11.

Referring to fig. 1 and 3, taking the example of a plurality of sample tray racks disposed on an experimental platform of an experimental apparatus, a carrier 13 of at least one sample tray rack includes a base 14 and a boss 15. The boss 15 is disposed on the substrate 14, and a surface of the boss 15 facing away from the substrate 14 is a first surface 131. The base 14 includes a first outer side 141 around the periphery, the boss 15 includes a second outer side 151, the first outer side 141 of each corresponding position protrudes from the second outer side 151, and the first outer side 141 and the second outer side 151 are connected by a step surface 142.

With reference to fig. 4, the sample tray 50 may be covered with a top cover, and when performing an experiment, the top cover may be taken down and placed on the idle bracket 13 of the sample tray rack, specifically, on the step surface 142 of the bracket 13, the inner side surface of the top cover may be tightly attached to the second outer side surface 151 or have a smaller gap, and the step surface 142 may be shaped to support and limit the top cover, so as to serve as a structure for temporarily placing the top cover.

In one embodiment, referring to fig. 1 to fig. 3, the first surface 131 is provided with a first positioning portion 136; referring to fig. 5, the second positioning portion 514 is disposed on the sample tray 50. The first positioning portion 136 is used to be connected with the second positioning portion 514 of the sample tray 50 for positioning.

The specific structure of the first positioning portion 136 and the second positioning portion 514 may not be limited, and when the sample tray 50 is placed on the sample tray frame, the first positioning portion 136 and the second positioning portion 514 play a role in guiding and positioning, and can prevent the sample tray 50 from shifting relative to the sample tray frame, so that the two are accurately aligned and installed.

Optionally, the first positioning portion 136 and the second positioning portion 514 are a plurality of one-to-one corresponding to each other, one of the first positioning portion 136 and the second positioning portion 514 is a pin, the other one of the first positioning portion 136 and the second positioning portion 514 is a pin hole, and the first positioning portion 136 and the second positioning portion 514 cooperate to position the sample tray 50 on the first surface 131.

For example, each of the first positioning portions 136 is a pin, and each of the second positioning portions 514 is a pin hole; alternatively, the first positioning portions 136 are all pin holes, and the second positioning portions 514 are all pins; alternatively, a portion of the first positioning portion 136 is a pin, the other portion is a pin hole, a portion of the second positioning portion 514 is a pin hole, and the other portion is a pin. The first positioning portion 136 and the second positioning portion 514 are a pin hole and a pin corresponding to each other. The mode of matching the pin with the pin hole is set, the structure is simple, and the positioning effect is good.

In one embodiment, referring to fig. 1, the first surface 131 is provided with a sensor 30, and the sensor 30 is used for sensing the position of the sample tray 50 relative to the sample tray rack to detect the presence or absence of the sample tray 50 on the carrier 13. The sensor 30 may be various types of position sensors, and is not limited. The position of the relative bracket 13 of inductor 30 response sample tray 50 can conveniently judge whether carry out the absorption of sample tray 50 and sample tray frame and connect, is convenient for realize automated control.

Optionally, the first absorbing part 20 is an electromagnet, and the sample tray rack further includes a controller (not shown), the controller is electrically connected to the electromagnet and the sensor 30, and the controller is configured to obtain a sensing signal of the sensor 30 and control an on-off state of the electromagnet.

The controller may be a chip, a mobile terminal, an electronic computer, and the like, without limitation. The electrical connection between the controller and the sensor 30 and the electromagnet may be wired connection, wireless connection, etc., without limitation. The controller acquires the sensing signal of the sensor 30, can know the relative position relation of the sample tray 50 and the sample tray frame, and then controls the on-off of the electromagnet, so that whether the sample tray 50 and the sample tray frame are magnetically adsorbed or not can be controlled, and automatic control is realized. Through automated control, can be convenient carry out sample tray 50 with the connection and the separation of sample tray frame, be convenient for load and unload.

Referring to fig. 1 to 5, an embodiment of the present invention further provides a sample tray assembly, which includes a sample tray 50 and a sample tray rack in any of the foregoing embodiments, wherein the sample tray 50 is fixedly connected to the sample tray rack, and the sample tray 50 is used for placing a sample carrying member.

The specific structure of the sample tray 50 is not limited. The adsorption connection of the sample tray 50 to the sample tray holder may be vacuum adsorption, magnetic adsorption, adhesive adsorption, or the like.

The embodiment of the utility model provides a sample tray subassembly, through adopting the utility model provides a sample tray frame, sample tray frame are through setting up first accessory 20 of inhaling at bearing structure 10, and first accessory 20 of inhaling exposes from first surface 131 for place at first surface 131 sample tray 50 with first accessory 20 of inhaling adsorb and be connected, make sample tray 50 and sample tray frame be connected fixedly, make the in-process sample tray 50 that the sample of taking holds carrier keep stable, can not break away from sample tray frame and drop, guarantee the safety of sample.

In one embodiment, referring to fig. 4 and 5, the sample tray 50 includes a second adsorption member 52; referring to fig. 1 and 2, the first suction member 20 is connected to the second suction member 52.

The first adsorption part 20 and the second adsorption part 52 are in adsorption connection, so that the sample tray 50 and the sample tray frame are fixedly connected, the principle is simple, and the realization is easy.

Alternatively, the first adsorption member 20 is an electromagnet, and the second adsorption member 52 is a permanent magnet.

The first adsorption part 20 is an electromagnet and can be conveniently controlled automatically, the second adsorption part 52 is a permanent magnet, the structure of the sample tray 50 can be simplified, and the structures such as circuits required by the electromagnet do not need to be arranged, so that the structure is simpler.

Referring to fig. 4 and 5, the sample tray 50 includes a main body 51 and a second absorption member 52, and the main body 51 includes a third surface 511 and a fourth surface 512 which are opposite to each other. The third surface 511 defines a receiving cavity 513, and the receiving cavity 513 is used for receiving the sample carrier. The fourth surface 512 is provided with a second suction member 52, which may be specifically a mounting groove formed on the fourth surface 512, the second suction member 52 is placed in the mounting groove, and the second suction member 52 and the main body 51 are connected and fixed by a fastening member 53 such as a screw. The second positioning portion 514 may be disposed beside the second absorbent 52.

The specific structure of the body 51 is not limited, and the sample carrier may be, for example, a silicon disc, a silicon wafer, a glass slide, or the like. The sample is accommodated in the sample carrier, specifically, the sample is packaged in the sample carrier, or the sample is placed on the surface of the sample carrier or accommodated in a groove formed on the surface of the sample carrier. The sample is, for example, a solid or a liquid, and the specific form may be a fluid, a powder, a crystal, or the like.

During the experiment, the sample tray 50 is placed on the sample tray rack in an adsorption connection manner, the sample bearing member is placed in the accommodating groove 513 of the sample tray 50, and the sample bearing member is taken down and the experiment is performed.

Referring to fig. 1 to 5, an embodiment of the present invention further provides an experimental apparatus, including an experimental platform (not shown) and a sample tray assembly in any of the foregoing embodiments, wherein the sample tray frame of the sample tray assembly is disposed on the experimental platform.

Referring to fig. 1, the surface of the base 11 of the sample tray rack facing away from the carrier 13 is placed on a laboratory platform. The base 11 can be fixed to the experiment platform by engaging locking members such as screws with the mounting holes 111, and the mounting through-holes 134 are used for allowing tools such as screwdrivers to pass through to lock the screws in the mounting holes 111.

The embodiment of the utility model provides an experimental facilities, through adopting the utility model provides a sample tray subassembly, sample tray subassembly is through adopting the utility model provides a sample tray frame, sample tray frame are through setting up first absorption part 20 at bearing structure 10, and first absorption part 20 exposes from first surface 131 for place the sample tray 50 at first surface 131 and first absorption part 20 adsorb and be connected, make sample tray 50 and sample tray frame be connected fixedly, make the in-process sample tray 50 that the sample held the carrier of taking keep stable, can not break away from sample tray frame and drop, guarantee the safety of sample.

In one embodiment, referring to fig. 1 to 5, the testing apparatus further includes a handling device (not shown) disposed on the testing platform, the handling device is used for loading and unloading the sample tray 50 in the sample tray assembly to the sample tray rack, and/or the handling device is used for taking and placing the sample carrier from the sample tray 50.

The carrying device may include a manipulator with a clamping jaw, etc., and is controlled by various control conditions, which are not limited in particular. Through handling device with sample tray 50 loading and unloading in the sample tray subassembly in the sample tray frame, and/or, take out the sample from sample tray 50 and hold the thing, realized the automation mechanized operation that sample tray 50 loaded and unloaded to and get the automation mechanized operation that the sample held the thing, reduced manual operation's loaded down with trivial details and error etc. promoted automatic level.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other indexes have orientations or positional relationships based on the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (16)

1. A sample tray rack, comprising:

a support structure having a first surface;

the first suction piece is arranged on the supporting structure and exposed out of the first surface, the first surface is used for supporting the sample tray, and the first suction piece is used for being connected with the sample tray in a suction mode so as to fixedly connect the sample tray with the sample tray rack.

2. The sample tray rack according to claim 1, wherein the first attraction piece is a permanent magnet or an electromagnet, and the first attraction piece is connected with the sample tray through magnetic attraction.

3. The sample tray rack according to claim 1, wherein the support structure comprises a base, a support and a bracket, the bracket is fixed on the base through the support, the surface of the bracket facing away from the base is the first surface, the first suction piece is arranged on the base or the bracket, the bracket is provided with a through hole penetrating to the first surface, and the first suction piece extends into the through hole.

4. The sample tray rack according to claim 3, wherein the cradle includes a second surface opposite the first surface, the second surface being opposite the base, the pass-through aperture passing from the first surface through to the second surface.

5. The sample tray rack according to claim 3, wherein the end surface of the first suction fitting remote from the base is a top end surface, the top end surface being flush with the first surface or the top end surface being recessed relative to the first surface.

6. The sample tray rack according to claim 5, wherein the top end surface is recessed from the first surface by a depth of 0.1mm to 1mm.

7. The sample tray rack according to claim 3, wherein the pass-through aperture is located at an intermediate position of the first surface.

8. The sample tray rack according to claim 1, wherein the first surface is provided with a first positioning portion for mating connection with a second positioning portion on a sample tray for positioning.

9. The sample tray rack of claim 8, wherein the first and second positioning portions are a plurality of one-to-one correspondence, and one of the first and second positioning portions is a pin and the other is a pin hole, the first and second positioning portions cooperating to position the sample tray on the first surface.

10. The sample tray rack according to claim 1, wherein the first surface is provided with a sensor for sensing the position of the sample tray relative to the sample tray rack.

11. The sample tray rack according to claim 10, wherein the first absorbing part is an electromagnet, the sample tray rack further comprising a controller, the controller is electrically connected with the electromagnet and the sensor respectively, and the controller is used for acquiring the sensing signal of the sensor and controlling the on-off state of the electromagnet.

12. A sample tray assembly comprising a sample tray and a sample tray holder as claimed in any one of claims 1 to 11, the sample tray being fixedly attached to the sample tray holder in a suction connection, the sample tray being adapted to receive a sample carrier.

13. The sample tray assembly of claim 12, wherein the sample tray comprises a second absorbent member, the first absorbent member being in absorbent connection with the second absorbent member.

14. The sample tray assembly of claim 13, wherein the first absorbent member is an electromagnet and the second absorbent member is a permanent magnet.

15. An assay device comprising an assay platform and a sample tray assembly according to any one of claims 12 to 14, the sample tray rack of the sample tray assembly being disposed on the assay platform.

16. The testing apparatus of claim 15, further comprising a handling device disposed on the testing platform, the handling device configured to load and unload a sample tray of the sample tray assembly to the sample tray rack, and/or the handling device configured to pick and place a sample carrier from the sample tray.

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