CN111380284A

CN111380284A - Reagent refrigerating plant and check out test set

Info

Publication number: CN111380284A
Application number: CN202010210452.8A
Authority: CN
Inventors: 向裕; 林伟成; 柳邦源; 罗全胜
Original assignee: Zhuhai Livzon Diagnostics Inc
Current assignee: Zhuhai Livzon Diagnostics Inc
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-07-07

Abstract

The invention provides a reagent refrigerating device and detection equipment, and relates to the technical field of medical equipment. The reagent refrigerating device comprises a box body, a door assembly, a refrigerating assembly and a turntable assembly; the box body is provided with an opening which is used for storing or taking the reagent box; the door assembly is arranged on the box body and used for opening or closing the opening; the refrigeration assembly is arranged in the box body; the turntable assembly is arranged in the box body and comprises a turntable and a detection piece, the turntable is provided with a first detection part and a second detection part, the turntable is provided with a rotating initial position, and when the turntable is located at the initial position, the first detection part is matched with the detection piece; when the rotating disc rotates to enable the reagent box to be opposite to the opening, the second detection part is matched with the detection piece. This reagent cold storage plant is through setting up the second detection portion to whether accurate positioning of detect reagent box, thereby guaranteed reagent cold storage plant to the accuracy of reagent box delivery position, and then guaranteed that operating personnel or manipulator can take the reagent smoothly.

Description

Reagent refrigerating plant and check out test set

Technical Field

The invention relates to the technical field of medical equipment, in particular to a reagent refrigerating device and detection equipment.

Background

The reagent needs to be placed in a reagent refrigerating device for storage before use so as to ensure the effectiveness of the reagent, and the accuracy of a detection result can be ensured only on the premise that the reagent for detection is effective.

Among the prior art, reagent cold storage plant is provided with the cold-stored storehouse of reagent, is provided with the carousel that is used for holding the kit in the cold-stored storehouse of reagent to and drive carousel pivoted actuating mechanism, actuating mechanism drive carousel rotates to carry the kit to the opening part in the cold-stored storehouse of reagent. However, in a refrigeration environment, the prior art has the problems that the positioning is not accurate, the reagent kit is not conveyed in place, and therefore an operator or a manipulator cannot take out the reagent kit from the refrigeration bin accurately.

Disclosure of Invention

The reagent refrigeration device is used for solving the technical problems that in the prior art, reagent boxes cannot be accurately taken out of a box body or even cannot be taken out by an operator or a manipulator due to inaccurate positioning and delivery of the reagent boxes by the reagent refrigeration device.

The invention provides a reagent refrigerating device which comprises a box body, a door assembly, a refrigerating assembly and a turntable assembly;

the box body is provided with an opening, and the opening is used for storing or taking the reagent box;

the door assembly is arranged on the box body and used for opening or closing the opening;

the refrigeration assembly is arranged in the box body;

the turntable assembly is arranged in the box body and comprises a turntable and a detection piece, the turntable is provided with a first detection part and a second detection part, the turntable is provided with a rotating initial position, and when the turntable is located at the initial position, the first detection part is matched with the detection piece; when the rotating disc rotates to enable the reagent box to be opposite to the opening, the second detection part is matched with the detection piece.

Further, the first detection part comprises two magnets which are arranged adjacently, the second detection part comprises one magnet, and the induction piece comprises two induction switches;

when the turntable rotates to an initial position, the two magnets of the first detection part are respectively matched with the two induction switches; when the rotary disc rotates to enable the reagent kit to be opposite to the opening, the magnet of the second detection part is matched with the two induction switches in sequence.

Further, a plurality of accommodating parts are uniformly arranged on the rotary disc along the circumferential direction of the rotary disc, and the accommodating parts are used for placing reagent boxes; the number of the second detection parts is multiple, and the second detection parts and the accommodating parts are arranged in a one-to-one correspondence mode.

Further, the refrigeration assembly comprises a semiconductor refrigeration piece, and the refrigeration surface of the semiconductor refrigeration piece faces the rotary disc.

Further, refrigeration subassembly still includes the refrigerant fluid holding vessel, refrigeration pump, water-cooling head and the heat dissipation row that communicates in proper order, the water-cooling head with the cooling surface laminating of semiconductor refrigeration piece.

Further, the refrigeration assembly further comprises a heat conductor, the heat conductor is arranged between the heat dissipation surface of the semiconductor refrigeration piece and the water cooling head, and the water cooling head is attached to the heat dissipation surface of the semiconductor refrigeration piece through the heat conductor.

Further, the opening includes deposit the mouth and takes the mouth, the door subassembly includes first door subassembly and second door subassembly, first door subassembly set up in deposit the mouth, the second door subassembly set up in take the mouth, first door subassembly includes first door plant and pin joint axle, first door plant passes through the pin joint axle pin joint in the box.

Further, the second door assembly comprises a second door plate and a door plate driving mechanism, the second door plate is movably arranged on the box body, the door plate driving mechanism is in transmission connection with the second door plate, and the door plate driving mechanism is used for driving the second door plate to rotate so as to open or close the taking port.

Further, the reagent refrigeration device also comprises an identification component, the identification component comprises a code reader, a first electronic tag and a second electronic tag, and the code reader is arranged in the box body; the first electronic tag is arranged on the rotary disc and corresponds to the placement position of the reagent kit, and the second electronic tag is arranged on the reagent kit;

when the turntable rotates, the first electronic tag and the second electronic tag can be opposite to the code reader.

The reagent refrigerating device provided by the invention can produce the following beneficial effects:

in the reagent refrigerating device provided by the invention, the rotary disc assembly comprises the rotary disc and the detection piece, the rotary disc is provided with the first detection part and the second detection part, when the rotary disc is positioned at the initial position, the first detection part is matched with the detection piece, and when the rotary disc rotates to enable the reagent kit to be opposite to the opening, the second detection part is matched with the detection piece. In the using process, when the reagent required to be taken is determined, the placing position of the reagent box corresponding to the reagent on the rotating disc is determined, and the rotating disc rotates according to the angle required to rotate from the initial position to the placing position of the reagent box; when the rotating disc stops rotating and the second detection part is matched with the detection piece, the kit is indicated to be in place. This reagent cold storage plant is through setting up the second detection portion to whether accurate positioning of detect reagent box, thereby guaranteed reagent cold storage plant to the accuracy of reagent box delivery position, and then guaranteed that operating personnel or manipulator can take the reagent smoothly.

The second purpose of the present invention is to provide a detection apparatus, so as to alleviate the technical problems existing in the prior art that the reagent box cannot be accurately taken out from the box body or even cannot be taken out by an operator or a manipulator due to inaccurate positioning and delivery of the reagent box by the reagent refrigeration device.

The detection equipment provided by the invention comprises the reagent refrigerating device.

The detection equipment provided by the invention has all the beneficial effects of the reagent refrigerating device, so the details are not repeated herein.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a partial exploded view of a reagent cooler according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a turntable assembly and a code reader of a reagent refrigerating apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic view of a portion of a refrigeration assembly of a reagent refrigeration unit according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a first door assembly of the reagent refrigerator according to an embodiment of the present invention, wherein the first door panel is in an open state;

FIG. 5 is a schematic structural view of a second door assembly of the reagent refrigerator according to the embodiment of the present invention, wherein the second door is in a closed state;

fig. 6 is an exploded view of a code reader of a reagent refrigeration device according to an embodiment of the present invention.

Icon:

100-a refrigeration component; 110-a water cooling head; 120-semiconductor refrigeration piece; 130-a thermal conductor; 140-a refrigeration pump; 141-a liquid outlet; 150-a refrigerant fluid storage tank; 151-liquid inlet; 160-heat dissipation rows; 170-heat dissipation fan; 180-a cold conducting plate;

210-a code reader; 211-a base; 212-a main board; 213-a cover body;

310-a first door assembly; 311-a first door panel; 312-a first door frame; 313-pivot axis; 320-a second door assembly; 321-a second door panel; 322-a second door frame; 323-a second mount; 324-a second motor; 325 — a first gear; 326-second gear; 327-rotating shaft;

400-a turntable assembly; 410-a turntable; 420-a tray; 430-magnet; 440-an inductive switch; 450-a first mount; 460-a first motor; 470-a first pulley; 480-a second pulley; 490-a drive belt; 491-a tension wheel;

510-a top wall; 520-a bottom wall;

600-kit.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the term "vertical" or the like does not mean that the components are required to be absolutely vertical, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the invention are 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.

The present embodiment provides a reagent cooler, as shown in fig. 1 and 2, comprising a box body, a door assembly, a refrigeration assembly 100, and a turntable assembly 400; the box body is provided with an opening which is used for storing or taking the reagent kit 600; the door assembly is arranged on the box body and used for opening or closing the opening; the refrigeration assembly 100 is arranged in the box body; the turntable assembly 400 is arranged in the box body, the turntable assembly 400 comprises a turntable 410 and a detection piece, the turntable 410 is provided with a first detection part and a second detection part, the turntable 410 has a rotating initial position, and when the turntable 410 is located at the initial position, the first detection part is matched with the detection piece; when the rotary plate 410 is rotated to face the reagent cartridge 600 to the opening, the second detecting portion is engaged with the detecting member.

In the reagent refrigerating device provided by this embodiment, in the use process, when the reagent to be taken is determined, the placing position of the reagent cartridge 600 corresponding to the reagent on the rotary disc 410 is determined, and the rotary disc 410 rotates according to the angle required to rotate from the initial position to the placing position of the reagent cartridge 600; when the rotation of the rotary plate 410 is stopped and the second detecting portion is engaged with the detecting member, the reagent cartridge 600 is indicated to be in place. This reagent cold storage plant is through setting up the second detection portion to whether accurate positioning of detect reagent box 600, thereby guaranteed reagent cold storage plant to the accuracy of reagent box 600 delivery position, and then guaranteed that operating personnel or manipulator can take the reagent smoothly.

Specifically, in this embodiment, as shown in fig. 2, the first detecting portion includes two adjacently disposed magnets 430, the second detecting portion includes one magnet 430, and the sensing member includes two sensing switches 440; when the turntable 410 rotates to the initial position, the two magnets 430 of the first detection portion are respectively matched with the two inductive switches 440; when the rotary plate 410 is rotated to make the reagent cartridge 600 face the opening, the magnet 430 of the second detecting portion is sequentially engaged with the two inductive switches 440.

Specifically, the rotary plate 410 is uniformly provided with a plurality of accommodating portions along the circumferential direction thereof, the accommodating portions being used for placing the reagent cartridges 600; the number of the second detection parts is multiple, and the multiple second detection parts and the multiple accommodating parts are arranged in a one-to-one correspondence mode.

In this embodiment, the accommodating portion is an accommodating groove, the bottom of the rotating disc 410 is fixedly provided with a tray 420, and the tray 420 is located below the accommodating groove.

It should be noted that, in other embodiments of the present application, the structural form of the accommodating portion is not limited to the accommodating groove, for example: a plurality of partition plates may be vertically disposed on the rotary plate 410, and the partition plates are spaced apart from each other along the circumferential direction of the rotary plate 410, and a receiving portion for receiving the reagent cartridge 600 is formed between adjacent partition plates.

In this embodiment, the number of the accommodating grooves is twelve, and correspondingly, the number of the trays 420 is also twelve. Of course, the specific number of the accommodating grooves and the trays 420 is not limited by the present application, and the user can set the number according to actual needs.

In this embodiment, as shown in fig. 2, the turntable assembly 400 further includes a driving mechanism for driving the turntable 410 to rotate.

Specifically, the driving mechanism includes a first mounting seat 450, a first motor 460, a first pulley 470, a second pulley 480 and a transmission belt 490, the first motor 460 and the first pulley 470 are both mounted on the first mounting seat 450, the first pulley 470 is coaxially and fixedly connected with an output shaft of the first motor 460, the second pulley 480 is coaxially and fixedly connected with the turntable 410, and the first pulley 470 is in transmission connection with the second pulley 480 through the transmission belt 490. The power of the first motor 460 is transmitted through the first belt pulley 470, the transmission belt 490 and the second belt pulley 480 in sequence, and finally drives the rotating disc 410 to rotate around its axis.

Specifically, in this embodiment, the first belt wheel 470 is a small belt wheel, and the second belt wheel 480 is a large belt wheel, so as to perform a deceleration function, thereby being beneficial to improving the stability of the rotation of the turntable 410; and the turntable 410 rotates smoothly, which is beneficial to ensuring good matching between the detection piece and the first detection part and between the detection piece and the second detection part, thereby improving the detection accuracy.

Further, the first motor 460 may be a reduction motor for further reducing the rotation speed of the turntable 410 to a suitable speed, so as to further improve the rotation smoothness of the turntable 410.

In this embodiment, the driving mechanism further includes a tension pulley 491, the tension pulley 491 is provided on the first mounting base 450, and the tension pulley 491 is used to adjust the tightness of the driving belt 490.

Specifically, in the present embodiment, as shown in fig. 2, the number of the first pulleys 470 is two, and the two first pulleys 470 are respectively located on opposite sides of the output shaft of the first motor 460; the number of the tension pulleys 491 is also two, and the two tension pulleys 491 are respectively positioned between the output shaft of the first motor 460 and the two first pulleys 470; the belt 490 passes between the adjacent two in turn.

In this embodiment, the cooling assembly 100 includes the semiconductor cooling plate 120, and the cooling surface of the semiconductor cooling plate 120 faces the turntable 410. The semiconductor cooling fins 120 have a small volume, so that the occupied space of the cooling module 100 can be reduced.

In this embodiment, the semiconductor cooling plate 120 is fixedly disposed on the bottom wall 520 of the box.

Specifically, as shown in fig. 3, the refrigeration assembly 100 further includes a refrigerant fluid storage tank 150, a refrigerant pump 140, a water cooling head 110, and a heat dissipation row 160, which are sequentially communicated, wherein the water cooling head 110 is attached to the heat dissipation surface of the semiconductor refrigeration sheet 120.

Specifically, the refrigerant pump 140 pumps refrigerant fluid from the refrigerant fluid storage tank 150 and delivers it to the circuit via the fluid outlet 141, and the circulating refrigerant fluid eventually flows back to the refrigerant fluid storage tank 150 via the fluid inlet 151 of the refrigerant fluid storage tank 150.

Specifically, the waterway in the water-cooling head 110 may be S-shaped, so as to extend the path length of the refrigerant fluid flowing through the water-cooling head 110, and further increase the time of the refrigerant fluid flowing through the water-cooling head 110, so as to sufficiently perform heat exchange between the refrigerant fluid and the water-cooling head 110, and rapidly reduce the refrigerating temperature in the box body.

Specifically, as shown in fig. 3, the heat radiation fins 170 are provided on the heat radiation row 160 to increase the cooling speed by air cooling.

Further, the refrigeration assembly 100 further includes a heat conductor 130, the heat conductor 130 is disposed between the heat dissipation surface of the semiconductor refrigeration sheet 120 and the water cooling head 110, and the water cooling head 110 is attached to the heat dissipation surface of the semiconductor refrigeration sheet 120 through the heat conductor 130.

In the present embodiment, as shown in fig. 3 in combination with fig. 1, the number of the refrigeration components 100 is two; in each group of refrigeration assemblies 100, the number of the water cooling heads 110 is four, and the four water cooling heads 110 are connected in series in a pipeline.

It should be noted that in other embodiments of the present application, the number of the refrigeration assemblies 100 is not limited to two sets, and the number of the water cooling heads 110 in each set of the refrigeration assemblies 100 is also not limited to four, for example: the number of refrigeration components 100 is three; in each group of refrigeration assemblies 100, the number of the water cooling heads 110 is three, and the three water cooling heads 110 are connected in series in a pipeline.

In this embodiment, the refrigeration assembly 100 further includes a cold conducting plate 180, the cold conducting plate 180 is disposed in the box and located between the turntable 410 and each semiconductor refrigeration sheet 120, and the cold conducting plate 180 is used for conducting heat conduction, so that the temperature of the refrigeration environment in the box is uniform.

In this embodiment, the opening is provided in the top wall 510 of the case.

Specifically, the opening includes a storage opening and an access opening, the door assembly including a first door assembly 310 and a second door assembly 320, the first door assembly 310 disposed at the storage opening and the second door assembly 320 disposed at the access opening.

In this embodiment, as shown in fig. 4 and combined with fig. 1, the first door assembly 310 includes a first door 311 and a pivot shaft 313, and the first door 311 is pivoted to the box body through the pivot shaft 313. When reagent needs to be stored in the box body, the first door plate 311 is manually opened; after the first door panel 311 is placed, the first door panel is manually closed. The first door panel 311 is manually opened or closed, and timeliness is high, so that the environment temperature in the box body is kept stable.

In this embodiment, as shown in fig. 4, the first door assembly 310 further includes a first door frame 312 matching with the first door panel 311, the first door frame 312 is fixedly disposed on the top wall 510 of the box, and the first door panel 311 is rotatably disposed on the top wall 510 through a pivot shaft 313 and the first door frame 312.

In this embodiment, as shown in fig. 5 and with reference to fig. 1, the second door assembly 320 includes a second door 321 and a door driving mechanism, the second door 321 is movably disposed in the box, the door driving mechanism is in transmission connection with the second door 321, and the door driving mechanism is configured to drive the second door 321 to rotate to open or close the access opening.

In this embodiment, as shown in fig. 5, the second door assembly 320 further includes a second door frame 322 matching with the second door 321, the second door frame 322 is fixedly disposed on the top wall 510 of the cabinet, and the second door 321 is rotatably disposed on the top wall 510 through the second door frame 322.

Specifically, the second door assembly 320 further includes a rotating shaft 327 and a second mounting seat 323, and the second mounting seat 323 is fixedly disposed on the second door frame 322; the rotating shaft 327 is fixedly connected to the second door panel 321, and a first end of the rotating shaft 327 is pivotally connected to the second door frame 322; the door panel driving mechanism includes a second motor 324, a first gear 325, and a second gear 326, the second motor 324 is mounted on the second mounting seat 323, the first gear 325 is fixedly sleeved on the output shaft of the second motor 324, and the second gear 326 is fixedly sleeved on the second end of the rotating shaft 327 and is in transmission connection with the first gear 325.

Specifically, the first gear 325 may be a pinion gear, and the second gear 326 may be a bull gear, which cooperate to perform a speed reduction function, so that when the second door panel 321 is opened or closed, the rotation of the second door panel 321 is more stable, and meanwhile, the collision between the second door panel 321 and the second door frame 322 can be effectively avoided, thereby protecting components.

Specifically, in this embodiment, the interiors of the first door panel 311 and the second door panel 321 are both filled with thermal insulation material, so as to facilitate maintaining a desired refrigeration temperature in the box body.

In this embodiment, the reagent refrigeration device further includes an identification component, the identification component includes a code reader 210, a first electronic tag and a second electronic tag, and the code reader 210 is disposed in the box body; the first electronic tag is arranged on the turntable 410 and corresponds to the placement position of the reagent kit 600, and the second electronic tag is arranged on the reagent kit 600; when the turntable 410 rotates, both the first electronic tag and the second electronic tag can be opposite to the code reader 210. The carousel 410 is rotated and information about each reagent stored on the carousel 410 can be obtained by the code reader 210.

Specifically, the first electronic tag may record position information, and the second electronic tag may record information such as items to be tested by the reagent, a reagent lot number, and a calibration curve.

Specifically, as shown in fig. 6, the code reader 210 includes a base 211, a main board 212, and a cover 213, the base 211 has a receiving cavity, the main board 212 is installed in the receiving cavity, and a gap between the main board 212 and the base 211 is filled with epoxy resin; the base 211 is provided with a threading hole, and the communication cable of the main board 212 penetrates out of the threading hole; the cover 213 is matched with the opening of the accommodating cavity.

Specifically, in the reagent refrigeration device provided by this embodiment, the box body is made of a thermal insulation material, or thermal insulation materials are filled in the walls enclosing the box body. So set up and effectively improve the heat preservation effect to make the cold-stored environment in the box be in required temperature range.

In particular, in the practical use process, the refrigerating environment in the box body can be set to be 2-8 ℃. Of course, the user can make specific settings according to actual needs, and the application is not limited.

The embodiment also provides detection equipment comprising the reagent refrigerating device. The detection device has all the advantages of the reagent refrigerating device, and therefore, the details are not repeated.

Specifically, the detection apparatus may be a biochemical analyzer, a chemiluminescent immunoassay analyzer, a gene sequencer, a blood cell analyzer, or the like.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A reagent refrigeration unit comprising:

a case provided with an opening for storing or taking the reagent cartridge (600);

the refrigeration assembly (100), the refrigeration assembly (100) is arranged in the box body; and

the rotary table assembly (400), the rotary table assembly (400) is arranged in the box body, the rotary table assembly (400) comprises a rotary table (410) and a detection piece, the rotary table (410) is provided with a first detection part and a second detection part, the rotary table (410) has a rotating initial position, and when the rotary table (410) is located at the initial position, the first detection part is matched with the detection piece; when the rotary disc (410) rotates to enable the reagent kit (600) to be opposite to the opening, the second detection part is matched with the detection piece.

2. A reagent cooler according to claim 1, wherein the first sensing portion comprises two adjacently arranged magnets (430), the second sensing portion comprises one magnet (430), and the sensing member comprises two inductive switches (440);

when the turntable (410) rotates to an initial position, the two magnets (430) of the first detection part are respectively matched with the two inductive switches (440); when the rotating disc (410) rotates to enable the reagent kit (600) to be opposite to the opening, the magnet (430) of the second detection part is matched with the two inductive switches (440) in sequence.

3. A reagent cold storage device according to claim 1 or 2, wherein the rotary plate (410) is provided with a plurality of receiving portions uniformly along its circumference for placing reagent cartridges (600); the number of the second detection parts is multiple, and the second detection parts and the accommodating parts are arranged in a one-to-one correspondence mode.

4. A reagent cold storage device according to claim 1 or 2, wherein the refrigeration assembly (100) comprises a semiconductor refrigeration sheet (120), the refrigeration face of the semiconductor refrigeration sheet (120) facing the turntable (410).

5. The reagent refrigeration device according to claim 4, characterized in that the refrigeration assembly (100) further comprises a refrigerating fluid storage tank (150), a refrigerating pump (140), a water cooling head (110) and a heat dissipation row (160) which are communicated in sequence, wherein the water cooling head (110) is attached to the heat dissipation surface of the semiconductor refrigerating sheet (120).

6. The reagent cooler of claim 5, wherein the cooling assembly (100) further comprises a thermal conductor (130), the thermal conductor (130) being disposed between the heat dissipating surface of the semiconductor chilling plate (120) and the water cooling head (110), the water cooling head (110) being attached to the heat dissipating surface of the semiconductor chilling plate (120) via the thermal conductor (130).

7. The reagent cooler of claim 1 or 2, wherein the opening comprises a storage opening and an access opening, the door assembly comprising a first door assembly (310) and a second door assembly (320), the first door assembly (310) being disposed at the storage opening and the second door assembly (320) being disposed at the access opening, the first door assembly (310) comprising a first door panel (311) and a pivot axis (313), the first door panel (311) being pivoted to the box by the pivot axis (313).

8. The reagent refrigeration unit of claim 7, wherein the second door assembly (320) comprises a second door panel (321) and a door panel driving mechanism, the second door panel (321) is movably arranged in the box body, the door panel driving mechanism is in transmission connection with the second door panel (321), and the door panel driving mechanism is used for driving the second door panel (321) to rotate so as to open or close the access opening.

9. A reagent cold storage device according to claim 1 or 2, further comprising an identification assembly, the identification assembly comprising a code reader (210), a first electronic tag and a second electronic tag, the code reader (210) being arranged within the box; the first electronic tag is arranged on the rotary disc (410) and corresponds to the placement position of the reagent box (600), and the second electronic tag is arranged on the reagent box (600);

when the turntable (410) rotates, the first electronic tag and the second electronic tag can be opposite to the code reader (210).

10. A test device comprising a reagent storage unit as claimed in any one of claims 1 to 9.