CN218993767U - Reagent storage device - Google Patents

Abstract

The utility model discloses a reagent storage device. The reagent storage device comprises a box body, a temperature control module, a movement module and a plurality of reagent needles. The box is provided with first holding chamber and first wind channel, and the box still is provided with first opening and second opening, and the one end of first wind channel corresponds to first opening, and the other end corresponds to the second opening. The temperature control module comprises a refrigerator, the refrigerator is arranged at the first opening and is used for releasing cold air to the first accommodating cavity. The motion module comprises a driving piece, the reagent needle is connected to the driving piece, and the driving piece can drive the reagent needle to move. Cold air released by the refrigerator can be conveyed to the second opening through the first air duct, the kit is cooled and then flows back to the refrigerator, one refrigeration cycle is completed, the part, close to the first opening, of the kit can be cooled due to the heat radiation effect of the refrigerator, and the part, close to the second opening, of the kit is cooled by the cold air, so that the temperature of each part of the kit can be balanced.

Description

Reagent storage device

Technical Field

The utility model relates to the technical field of biochemical instruments, in particular to a reagent storage device.

Background

In the related art, when the existing reagent storage device is used for refrigerating the reagent kit, cold air is directly conveyed to the space where the reagent kit is located through a refrigerator to achieve the purpose of cooling, but the cooling mode can lead to the fact that the temperature of the part of the reagent kit, which is close to an air outlet of the refrigerator, is lower, the temperature of the part, which is far away from the air outlet, is higher, the phenomenon that the cooling effect is uneven occurs, and the temperature control requirement of the reagent kit cannot be met.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the reagent storage device which can realize uniform cooling of the reagent box and reduce the temperature difference among all parts of the reagent box.

An embodiment of a reagent storage device according to the first aspect of the present utility model comprises:

the box body is provided with a first accommodating cavity and a first air duct, a first opening and a second opening are further formed in the box body along the length direction, the first opening and the second opening are both communicated with the first accommodating cavity, one end of the first air duct corresponds to the first opening, the other end of the first air duct corresponds to the second opening, and the second opening is used for a reagent box to enter and exit the first accommodating cavity;

the temperature control module comprises a refrigerator, wherein the refrigerator is connected to the box body and arranged at the first opening, and the refrigerator is used for releasing cold air to the first accommodating cavity;

a plurality of reagent needles for collecting liquid in the kit;

the motion module comprises a driving piece, wherein the reagent needle is connected with the driving piece, and the driving piece can drive the reagent needle to move.

The adjusting platform provided by the embodiment of the utility model has at least the following beneficial effects: cold air released by the refrigerator can be conveyed to a part close to the second opening through the first air duct, the kit is cooled through the kit and then flows back to the refrigerator, one refrigeration cycle is completed, the part of the kit close to the first opening can be cooled due to the heat radiation effect of the refrigerator, and the part of the kit close to the second opening is cooled by cold air, so that the temperature of each part of the kit can be balanced, and the temperature uniformity of the kit is improved.

According to some embodiments of the utility model, the temperature control module further comprises a first refrigerating element, a second refrigerating element, a first fan and a second fan, wherein the refrigerator is provided with a first face and a second face which face oppositely, the first refrigerating element is accommodated in the first accommodating cavity and connected with the first face, the first fan is accommodated in the first accommodating cavity and connected with the refrigerator, the first fan faces the first refrigerating element, the second refrigerating element is connected with the second face, the second fan is connected with the refrigerator, and the second fan faces the second refrigerating element.

According to some embodiments of the utility model, the first refrigeration member includes a main body portion having a set length and a set width, and a plurality of first fin groups disposed at intervals along the length of the main body portion, the first fin groups including a plurality of first fins disposed at intervals along the width of the main body portion, a second air duct being defined between adjacent first fins, the second air duct being for guiding an air flow into the first air duct.

According to some embodiments of the utility model, the box further comprises a heat insulation layer, the box body is sequentially provided with a first baffle, a second baffle and a third baffle from inside to outside, the first air channel is defined between the first baffle and the second baffle, a second accommodating cavity is defined between the second baffle and the third baffle, and the heat insulation layer is accommodated in the second accommodating cavity.

According to some embodiments of the utility model, the tank is further provided with a drain groove and a drain hole, the drain hole communicating the drain groove and an external space, the drain groove being provided below the refrigerator and corresponding to the refrigerator and the first refrigeration member, the drain hole being for draining water out of the drain groove.

According to some embodiments of the utility model, the tank is provided with a first drainage part, the first drainage part is provided with two guide surfaces, the drainage groove is defined between the two guide surfaces, one ends of the two guide surfaces are connected with each other and correspond to the drainage holes, and the other ends of the two guide surfaces extend upwards in an inclined mode in a direction away from each other.

According to some embodiments of the utility model, the outer wall of the reagent needle is further provided with a vent groove, which is at a set distance from the end of the reagent needle remote from the driving member, the vent groove being for communicating the first accommodation chamber with the test tube interior space.

According to some embodiments of the utility model, the ratio of the depth of the vent slot to the wall thickness of the reagent needle at the corresponding location is between 0.6 and 1.5.

According to some embodiments of the utility model, the kit further comprises a sensor connected to the housing or accommodated in the first accommodating cavity, and the sensor is used for detecting the position of the kit.

According to some embodiments of the utility model, the movement module further comprises a support and a movable plate, the support is arranged on the outer wall of the box body, the driving piece is arranged on the support, the movable plate is connected to the driving piece, the driving piece can drive the movable plate to move up and down, and the reagent needle is connected to the movable plate.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of a reagent storage device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a reagent storage device according to another embodiment of the present utility model;

FIG. 3 is an enlarged view of the area "A" of the embodiment of FIG. 2;

FIG. 4 is a cross-sectional view of a reagent storage device according to an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of a reagent storage device according to another embodiment of the present utility model;

FIG. 6 is a schematic diagram of a temperature control module according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a kit according to an embodiment of the present utility model;

reference numerals:

the box 100, the first accommodating chamber 110, the first opening 111, the second opening 112, the first air duct 120, the first baffle 130, the second baffle 140, the third baffle 150, the second accommodating chamber 160, the first drain 170, the guide surface 171, the drain groove 172, the drain hole 173, the second drain 174, and the through hole 180;

the temperature control module 200, the refrigerator 210, the first refrigerating element 220, the main body 221, the first fin group 222, the first fins 223, the second air duct 224, the second refrigerating element 230, the first fan 240, the second fan 250, the second connecting element 260 and the first connecting element 270;

the device comprises a motion module 300, a driving piece 310, a bracket 320, a movable plate 330 and a screw 340;

a reagent needle 400 and a vent groove 410;

a sensor 500;

kit 600, test tube 610, sealing film 620.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the description of the present utility model, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 to 7, an embodiment of the first aspect of the present utility model provides a reagent storage device including a casing 100, a temperature control module 200, a movement module 300, and a plurality of reagent needles 400. The box 100 has a set length, the box 100 is provided with a first accommodating cavity 110 and a first air channel 120, the box 100 is further provided with a first opening 111 and a second opening 112 along the length direction, the first opening 111 and the second opening 112 are both communicated with the first accommodating cavity 110, one end of the first air channel 120 corresponds to the first opening 111, the other end of the first air channel 120 corresponds to the second opening 112, and the second opening 112 is used for allowing the reagent kit 600 to enter and exit the first accommodating cavity 110. The temperature control module 200 includes a refrigerator 210, the refrigerator 210 is connected to the case 100 and disposed at the first opening 111, and the refrigerator 210 is used for releasing cold air into the first accommodating cavity 110. The reagent needle 400 is used to collect the liquid in the kit 600. The movement module 300 comprises a drive member 310, the reagent needle 400 being connected to the drive member 310, the drive member 310 being capable of driving the reagent needle 400 between an initial position and a collection position.

In use, the kit 600 is accommodated in the first accommodating cavity 110, the kit 600 comprises a kit body and a plurality of test tubes 610 sealed by sealing films 620, the kit body is provided with the second accommodating cavity 160, the test tubes 610 are connected to the kit body and are partially accommodated in the second accommodating cavity 160, the test tubes 610 are provided with the third accommodating cavity, each test tube 610 corresponds to each reagent needle 400 one by one, and the kit 600 is detachably connected to the kit body 100.

The cold air released by the refrigerator 210 can be conveyed to the part close to the second opening 112 by the first air duct 120, the kit 600 is cooled by the kit 600 and then flows back to the refrigerator 210 to complete a refrigeration cycle, the part of the kit 600 close to the first opening 111 can be cooled due to the heat radiation effect of the refrigerator 210, and the part of the kit 600 close to the second opening 112 is cooled by the cold air, so that the temperature of each part of the kit 600 can be balanced, and the temperature uniformity of the kit 600 is improved.

Referring to fig. 2 and 6, in some embodiments, the temperature control module 200 further includes a first cooling element 220, a second cooling element 230, a first fan 240, and a second fan 250, the cooling element 210 is disposed with a first face and a second face facing opposite, the first cooling element 220 is disposed in the first accommodating cavity 110 and connected to the first face, the first fan 240 is disposed in the first accommodating cavity 110 and connected to the cooling element 210, the first fan 240 faces the first cooling element 220, the second cooling element 230 is connected to the second face, the second fan 250 is connected to the cooling element 210, and the second fan 250 faces the second cooling element 230. The refrigerator 210 includes a peltier semiconductor cooling piece, one side of the peltier semiconductor absorbing heat corresponds to the first cooling piece 220, one side of the peltier semiconductor releasing heat corresponds to the second cooling piece 230, and heat in the first accommodating cavity 110 is discharged.

Specifically, the temperature control module 200 further includes a first connecting member 270 and a second connecting member 260, the first fan 240 is connected to the first cooling member 220 through the first connecting member 270, an airflow channel is defined between the first connecting member 270 and the first cooling member 220, and the airflow channel is communicated with the first air duct 120, so that the airflow blown by the first fan 240 is led into the first air duct 120 through the airflow channel after being cooled by contacting with the first cooling member 220, and is conveyed to the second opening 112 and flows through the kit 600 from the second opening 112 to the direction of the first opening 111, and flows back to the first fan 240 after cooling is completed, thereby realizing a cooling cycle of the kit 600.

Referring to fig. 6, in some embodiments, the first cooling member 220 includes a body portion 221 and a plurality of first fin groups 222, the body portion 221 having a set length and width, the plurality of first fin groups 222 being disposed at intervals along the length direction of the body portion 221, the first fin groups 222 including a plurality of first fins 223, the plurality of first fins 223 being disposed at intervals along the width direction of the body portion 221, a second air duct 224 being defined between adjacent first fins 223, the second air duct 224 being for guiding an air flow into the first air duct 120. The first fin group 222 is connected to the main body 221 to generate a larger heat exchange area, and when the air flows through the second air duct 224, the first fins 223 on both sides can exchange heat with the air to reduce the temperature of the air. The arrangement among the second cooling element 230, the second fan 250 and the second connecting element 260 is the same as the arrangement among the first cooling element 220, the first fan 240 and the first connecting element 270, the second fan 250 is connected to the second cooling element 230 through the second connecting element 260, and the second cooling element 230 corresponds to one side of the peltier semiconductor for heat radiation and accelerates heat radiation through the second fan 250.

Referring to fig. 4, in some embodiments, the reagent storage device further includes a heat insulation layer (not shown in the drawings), the case 100 is sequentially provided with a first baffle 130, a second baffle 140 and a third baffle 150 from inside to outside, a first air channel 120 is defined between the first baffle 130 and the second baffle 140, a second accommodating cavity 160 is defined between the second baffle 140 and the third baffle 150, the heat insulation layer is accommodated in the second accommodating cavity 160, and the heat insulation layer is used for reducing heat exchange between the first accommodating cavity 110 and the first air channel 120 and the outside, and maintaining the internal temperature without using a high-power cooling device, and meanwhile, achieving the purpose of saving energy. Wherein, the heat insulation layer can be made of glass fiber or asbestos.

Referring to fig. 4 and 5, in some embodiments, the case 100 is further provided with a drain groove 172, the case is further provided with a second drain part 174, the second drain part 174 is provided with a drain hole 173, the drain hole 173 communicates the drain groove 172 with an external space, the drain groove 172 is disposed below the refrigerator 210 and corresponds to the refrigerator 210 and the first refrigerator 220, and the drain hole 173 is used to drain water out of the drain groove 172. Since the temperature of the air flow increases after passing through the kit 600, condensed water is generated on the main body 221 and the first fins 223 after coming into contact with the first cooling member 220 again, and if the condensed water cannot be discharged out of the first receiving chamber 110 in time, the kit 600 may be contaminated after long-term accumulation. Condensed water is condensed on the first fins 223 and drops into the drain tank 172 under the action of gravity to be collected by the drain tank 172, and the liquid is timely discharged out of the first accommodating cavity 110 through the drain hole 173, so that the accumulation of the liquid in the first accommodating cavity 110 is avoided.

Referring to fig. 4 and 5, in some embodiments, the case 100 is provided with a first drain portion 170, the first drain portion 170 is provided with two guide surfaces 171, a drain groove 172 is defined between the two guide surfaces 171, one ends of the two guide surfaces 171 are connected to each other and correspond to the drain hole 173, and the other ends of the two guide surfaces 171 extend obliquely upward in a direction away from each other. After the cold water falls into the water drain groove 172 and contacts with the guide surface 171, the cold water slides down the guide surface 171 to the interconnection of the two guide surfaces 171 under the action of gravity and is discharged out of the water drain hole 173, so that the condensed water is prevented from accumulating in the water drain groove 172.

Referring to fig. 2 and 3, in some embodiments, the outer wall of the reagent needle 400 is further provided with a vent slot 410, the vent slot 410 being a set distance from the end of the reagent needle 400 remote from the driver 310. When the driving member 310 drives the reagent needle 400 to move to the collecting position, the ventilation slot 410 communicates with the third accommodating chamber (not shown in the figure) and the first accommodating chamber 110, and the reagent needle 400 is provided with a first channel for sampling. In use, after the driving member 310 drives the reagent needle 400 to pierce the sealing membrane 620 and move to the collection position, if the ventilation groove 410 is not provided, the sealing membrane 620 may still be in an abutting state with the outer wall of the reagent needle 400, the third accommodating cavity cannot be communicated with the first accommodating cavity 110, at this time, the negative pressure applied to the first channel is insufficient, and the reagent needle 400 cannot suck the reagent, so that the sampling fails. After the vent groove 410 is disposed, when the reagent needle 400 moves to the collecting position, the vent groove 410 can be communicated with the third accommodating cavity and the first accommodating cavity 110, so that the air pressure in the third accommodating cavity is the same as the atmospheric pressure, and at this time, the reagent needle 400 can suck the reagent after applying negative pressure in the first channel, and the sampling is completed. Wherein, the reagent needle 400 can be selected as the existing reagent needle 400 and the outer wall is grooved to reduce the cost.

Further, the ratio of the depth of the vent slot 410 to the wall thickness of the corresponding location reagent needle 400 is between 0.6 and 1.5. In order to avoid that the vent groove 410 is directly communicated with the first channel due to the machining error when the vent groove 410 is machined, or that the strength of the reagent needle 400 is reduced due to the fact that the wall thickness of the position of the reagent needle 400 corresponding to the vent groove 410 is too small, the ventilation effect of the vent groove 410 and the strength of the reagent needle 400 are ensured at the same time, and a space is reserved for the machining error, and the ratio of the depth of the vent groove 410 to the wall thickness of the reagent needle 400 at the corresponding position is between 0.6 and 1.5. Specifically, the wall thickness of the reagent needle 400 selected in this embodiment is 0.75mm, and the depth of the vent groove 410 formed at the corresponding position of the reagent needle 400 is 0.3mm.

Referring to fig. 2, in some embodiments, the reagent storage device further comprises a sensor 500, the sensor 500 being attached to an outer surface of the housing 100 or being accommodated in the first accommodating chamber 110, the sensor 500 being used to detect the position of the reagent cartridge 600. The reagent needle 400 needs to pierce the sealing film 620 to sample the reagent in the third accommodating cavity, and the reagent cartridge 600 is manually placed into the first accommodating cavity 110, and if the reagent cartridge 600 is not in place and the driving member 310 drives the reagent needle 400 to perform the collecting action, the reagent needle 400 may be damaged due to abutting against the main body of the reagent cartridge 600. The sensor 500 may be selected as a laser ranging sensor and installed in the first receiving chamber 110, and it is determined whether the kit 600 is installed in place by measuring a distance from the kit 600. Alternatively, the sensor 500 is selected as a micro switch, the micro switch is connected to the upper surface of the case 100, the case 100 is further provided with a through hole 180, the sensing portion of the micro switch is arranged through the through hole 180 and protrudes into the first accommodating cavity 110, the kit 600 slides along the second opening 112 toward the first opening 111 until contacting with the detecting portion of the micro switch, the micro switch sends out a signal indicating that the micro switch is in place, and then the collecting step is performed.

Referring to fig. 1 and 2, in some embodiments, the movement module 300 further includes a supporter 320 and a movable plate 330, the supporter 320 is provided on an outer wall of the case 100, the driving member 310 is provided on the supporter 320, the movable plate 330 is connected to the driving member 310, the driving member 310 can drive the movable plate 330 to move up and down, and the reagent needle 400 is connected to the movable plate 330. Specifically, the movement module 300 further includes a screw 340, the driving member 310 is selected as a motor, and the movable member is connected to the screw 340, and the motor can precisely control the position of the movable plate 330 by driving the motor. The plurality of reagent needles 400 are all connected to the movable plate 330, and the motor can drive the movable plate 330 to move so as to realize synchronous collection of the plurality of reagent needles 400 and improve collection efficiency.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model. Furthermore, embodiments of the utility model and features of the embodiments may be combined with each other without conflict.

Claims (10)

1. A reagent storage device, comprising:

the box body is provided with a first accommodating cavity and a first air duct, a first opening and a second opening are further formed in the box body along the length direction, the first opening and the second opening are both communicated with the first accommodating cavity, one end of the first air duct corresponds to the first opening, the other end of the first air duct corresponds to the second opening, and the second opening is used for a reagent box to enter and exit the first accommodating cavity;

the temperature control module comprises a refrigerator, wherein the refrigerator is connected to the box body and arranged at the first opening, and the refrigerator is used for releasing cold air to the first accommodating cavity;

a plurality of reagent needles for collecting liquid in the kit;

the motion module comprises a driving piece, wherein the reagent needle is connected with the driving piece, and the driving piece can drive the reagent needle to move.

2. The reagent storage device of claim 1, wherein the temperature control module further comprises a first cooling element, a second cooling element, a first fan and a second fan, wherein the cooling element is provided with a first face and a second face which face opposite, the first cooling element is accommodated in the first accommodating cavity and connected to the first face, the first fan is accommodated in the first accommodating cavity and connected to the cooling element, the first fan faces the first cooling element, the second cooling element is connected to the second face, the second fan is connected to the cooling element, and the second fan faces the second cooling element.

3. The reagent storage device according to claim 2, wherein the first cooling member comprises a main body portion having a set length and a set width, and a plurality of first fin groups disposed at intervals along the length of the main body portion, the first fin groups comprising a plurality of first fins disposed at intervals along the width of the main body portion, a second air duct being defined between adjacent first fins, the second air duct being for introducing an air flow into the first air duct.

4. The reagent storage device of claim 1, further comprising a thermal insulating layer, wherein the housing is provided with a first baffle, a second baffle and a third baffle in sequence from inside to outside, the first air channel is defined between the first baffle and the second baffle, a second accommodating cavity is defined between the second baffle and the third baffle, and the thermal insulating layer is accommodated in the second accommodating cavity.

5. The reagent storage device according to claim 2, wherein the case is further provided with a drain groove and a drain hole, the drain hole communicating the drain groove and an external space, the drain groove being provided below the refrigerator and corresponding to the refrigerator and the first cooling member, the drain hole being for draining water out of the drain groove.

6. The reagent storage device according to claim 5, wherein the housing is provided with a first drainage portion provided with two guide surfaces defining the drainage channel therebetween, one ends of the two guide surfaces being connected to each other and corresponding to the drainage hole, and the other ends of the two guide surfaces being inclined upward in a direction away from each other.

7. The reagent storage device according to claim 1, wherein the outer wall of the reagent needle is further provided with a vent groove having a set distance from the end of the reagent needle remote from the driving member, the vent groove being adapted to communicate the first accommodation chamber with the test tube interior space.

8. The reagent storage device of claim 7, wherein the ratio of the vent slot depth to the wall thickness of the reagent needle at the corresponding location is between 0.6 and 1.5.

9. The reagent storage device of claim 1, further comprising a sensor connected to the housing or received in the first receiving chamber, the sensor for detecting the position of the reagent cartridge.

10. The reagent storage device according to claim 1, wherein the movement module further comprises a support and a movable plate, the support is provided on the outer wall of the case, the driving member is provided on the support, the movable plate is connected to the driving member, the driving member can drive the movable plate to move up and down, and the reagent needle is connected to the movable plate.

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