Refrigeration device and sample analysis assembly line

Abstract

The utility model belongs to the field of in-vitro detection equipment, and particularly relates to a refrigeration device and a sample analysis assembly line. The refrigerating device comprises a box body, a refrigerating unit and a control unit, the refrigerating chamber is arranged in the refrigerator body and provided with a bearing bottom plate, and the bearing bottom plate is located above the base; the heat preservation and insulation plate is clamped between the bearing bottom plate and the base; one end of the load-bearing supporting piece abuts against the base, and the other end of the load-bearing supporting piece penetrates through the heat preservation and insulation plate and supports the load-bearing bottom plate so that the load-bearing bottom plate can not be lower than the heat preservation and insulation plate. The load-bearing bottom plate is supported by the load-bearing supporting piece, so that a gap between the load-bearing bottom plate and the base is stable, deformation and collapse of the heat insulation and heat preservation plate due to excessive pressure are avoided, and the stability of the overall structure of the refrigeration device is improved; therefore, the refrigeration effect of the refrigeration device and the sample analysis assembly line is guaranteed, the operation stability of the refrigeration device and the sample analysis assembly line is improved, and long-term use is facilitated.

Description

Technical Field

[0001] The utility model belongs to the field of in vitro detection equipment, and in particular relates to a refrigeration device and a sample analysis line. Background Art

[0002] Refrigeration devices are commonly used storage devices and are widely used, especially in the field of biological sample storage. At present, a refrigeration chamber is provided in the housing of the refrigeration device, and the refrigeration chamber is placed on the base of the housing. In order to reduce the efficiency of internal and external heat transfer, an insulation board is provided between the refrigeration chamber and the base of the housing. The insulation board provides load-bearing support for the refrigeration chamber, but the load-bearing capacity of the insulation board is limited. The insulation board is subjected to pressure from the refrigeration chamber for a long time, especially when samples are stored in the refrigeration chamber for a long time. The insulation board is subjected to greater pressure and is prone to deformation and collapse, resulting in poor overall structural stability of the refrigeration device, which is not conducive to ensuring the refrigeration effect of the refrigeration device. Utility Model Content

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a refrigeration device and a sample analysis pipeline to solve the problem of poor structural stability of the prior art refrigeration device, so as to improve the refrigeration effect and enhance product performance.

[0004] To achieve the above-mentioned and other related purposes, the present invention provides a refrigeration device, comprising:

[0005] A box body, wherein the box body has a base;

[0006] A refrigerating chamber, the refrigerating chamber being arranged in the box body and having a load-bearing bottom plate, the load-bearing bottom plate being located above the base;

[0007] A thermal insulation board, the thermal insulation board being sandwiched between the load-bearing bottom plate and the base;

[0008] A load-bearing support member, one end of which is in contact with the base, and the other end of which passes through the thermal insulation board and supports the load-bearing bottom plate so that the load-bearing bottom plate is not lower than the thermal insulation board.

[0009] Optionally, the load-bearing base plate is connected and fixed to the base via a connecting assembly.

[0010] Optionally, there are multiple groups of connecting components, and there are multiple load-bearing supports. At least some of the connecting components correspond to the load-bearing supports and pass through the corresponding load-bearing supports.

[0011] Optionally, the connecting assembly includes a metal connector and an insulating sleeve, one end of the metal connector is located in the cold storage chamber, the other end of the metal connector passes through the load-bearing bottom plate and is connected and fixed to the base, and the end of the metal connector located in the cold storage chamber is covered with the insulating sleeve.

[0012] Optionally, a first mounting hole for the load-bearing support to pass through is provided on the thermal insulation board, and a first sealant is provided between the inner wall of the first mounting hole and the outer wall of the load-bearing support; and / or a second mounting hole for the connecting component to pass through is provided on the load-bearing base plate, and a second sealant is provided between the inner wall of the second mounting hole and the outer wall of the connecting component.

[0013] Optionally, the heat insulation sleeve is made of polyurethane rubber, and the load-bearing support member is made of nylon;

[0014] And / or, the metal connecting part includes a bolt, the head of the bolt is located in the refrigeration chamber and is covered by the insulation sleeve, a thermal insulation gasket is provided between the head of the bolt and the load-bearing base plate, the thermal insulation gasket is made of nylon, and the rod of the bolt passes through the load-bearing base plate and is connected and fixed to the base.

[0015] Optionally, the refrigeration device further includes a compressor and a water collecting pan arranged outside the box; the water collecting pan is used to receive condensed water discharged from the compressor and / or the refrigeration chamber, and the water collecting pan is detachably connected to the base and hung below the base; and / or the refrigeration device further includes a fan, which is located outside the box and is suspended below the base by a bracket, and the air outlet direction of the fan is toward the water collecting pan.

[0016] Optionally, the water receiving tray is arranged at an angle, and an end of the water receiving tray close to the fan is lower than an end of the water receiving tray away from the fan.

[0017] Optionally, a hook and a hanging hole are provided on the water receiving tray, a first hanging pin adapted to the hook is provided on the base, and a second hanging pin adapted to the hanging hole is provided on the bracket.

[0018] In addition, in order to achieve the above-mentioned purpose and other related purposes, the present application also provides a sample analysis pipeline, including a sample injection device, a sample transport device, a sample pre-processing device, a sample analysis device, and a sample post-processing device; the sample transport device transports the sample from the sample injection device to the sample pre-processing device for pre-processing, and then enters the sample analysis device for analysis; after the sample is analyzed, it is transported by the sample transport device to the sample post-processing device;

[0019] The sample post-processing equipment includes the refrigeration device and interface device as described above, the refrigeration device is used to refrigerate samples, the interface device has a buffer zone, the buffer zone includes a refrigeration rack for placing samples and a placement station for placing the refrigeration rack; the refrigeration device also has a transfer component, the transfer component is used to transfer the refrigeration rack in the buffer zone to the refrigeration chamber for refrigeration.

[0020] The refrigeration device and sample analysis pipeline of the present application have at least the following beneficial effects: a load-bearing support is installed between the load-bearing bottom plate of the refrigeration chamber and the base of the box body. The load-bearing support supports the load-bearing bottom plate so that the gap between the load-bearing bottom plate and the base is stable, which is beneficial to prevent the thermal insulation board from being deformed or collapsed due to excessive pressure, and improves the stability of the overall structure of the refrigeration device, thereby ensuring the refrigeration effect of the refrigeration device and the sample analysis pipeline and improving the operational stability of the refrigeration device and the sample analysis pipeline, which is beneficial to long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the application. Those skilled in the art can also derive other drawings based on these drawings without inventive work, among which:

[0022] Figure 1 This is a structural diagram of an embodiment of a refrigeration device of the present utility model;

[0023] Figure 2 for Figure 1 Side view of the intermediate refrigeration unit;

[0024] Figure 3 for Figure 2 A magnified schematic diagram of part A in the middle;

[0025] Figure 4 for Figure 1 a cross-sectional view of a cold storage unit;

[0026] Figure 5 for Figure 4 A magnified schematic diagram of part B in the middle;

[0027] Figure 6 for Figure 4 Schematic diagram of the connection between the connecting component, load-bearing base plate and base.

[0028] Part Number Description

[0029] Cabinet 1, base 11, first hanging pin 111, condensed water joint 12, refrigeration chamber 2, load-bearing bottom plate 21, thermal insulation board 3, load-bearing support 4, connecting assembly 5, metal connecting part 51, head 511, rod 512, thermal insulation sleeve 52, thermal insulation gasket 53, first sealant 61, second sealant 62, compressor 7, drain interface 71, water tray 8, hook 81, hanging hole 82, fan 91, bracket 92, second hanging pin 921, avoidance hole 922. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0031] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0032] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0033] See also Figure 1 、 Figure 4 and Figure 6In some optional embodiments, the present application provides a refrigeration device, which includes a box body 1, a refrigeration chamber 2, a thermal insulation board 3 and a load-bearing support 4; in addition to the above-mentioned components, the refrigeration device may also include a compressor 7 and / or a water receiving tray 8 and / or a fan 91. The box body 1 has a base 11; the cold storage chamber 2 is arranged in the box body 1, and the cold storage chamber 2 has a load-bearing bottom plate 21, which is located above the base 11, and biological samples that need to be refrigerated and stored can be placed on the load-bearing bottom plate 21; the thermal insulation board 3 is clamped between the load-bearing bottom plate 21 and the base 11, and the thermal insulation board 3 is conducive to suppressing the interaction between heat and cold, thereby helping to improve the thermal insulation performance of the cold storage chamber 2; one end of the load-bearing support 4 is in contact with the base 11, and the other end of the load-bearing support 4 passes through the thermal insulation board 3 and supports the load-bearing bottom plate 21 so that the load-bearing bottom plate 21 is not lower than the thermal insulation board 3, which is conducive to reducing the risk of deformation or collapse of the thermal insulation board 3 due to excessive pressure.

[0034] Optionally, a first mounting hole for the load-bearing support member 4 is provided on the thermal insulation board 3. A first sealant 61 is provided between the inner wall of the first mounting hole and the outer wall of the load-bearing support member 4. The first sealant 61 helps improve the sealing performance between the first mounting hole and the load-bearing support member 4, helps reduce the conduction of cold air inside the box body 1 with the outside of the box body 1, and thus reduces the generation of condensed water. The number of load-bearing support members 4 can be multiple, and the number and distribution of the load-bearing support members 4 can be set according to needs. The first mounting holes correspond to the load-bearing support members 4 one-to-one. The first sealant 61 can be provided on the inner wall of the first mounting hole before the load-bearing support members 4 are installed.

[0035] Optionally, the load-bearing support member 4 is made of nylon. The thermal conductivity of nylon is approximately 0.2 W / (m·K), which is much lower than the thermal conductivity of carbon steel (60 W / (m·K). Therefore, the load-bearing support member 4 made of nylon not only meets the compressive strength requirements but also helps reduce heat transfer. Furthermore, the load-bearing support member 4 can be a columnar structure.

[0036] The refrigeration device of the above embodiment is provided with a load-bearing support member 4 between the load-bearing bottom plate 21 and the base 11, which is capable of supporting the load-bearing bottom plate 21. This is beneficial to prevent the load-bearing bottom plate 21 from exerting excessive pressure on the thermal insulation board 3, causing the thermal insulation board 3 to deform or collapse, thereby improving the stability of the overall structure of the refrigeration device and ensuring the thermal insulation performance of the refrigeration device.

[0037] See also Figure 1 、 Figure 4 and Figure 6 In some optional embodiments, the load-bearing base plate 21 is connected and fixed to the base 11 through a connecting component 5.

[0038] Optionally, the connecting assembly 5 includes a metal connector 51 and an insulating sleeve 52, one end of the metal connector 51 is located in the cold storage chamber 2, and the other end of the metal connector 51 passes through the load-bearing bottom plate 21 and is connected and fixed to the base 11, and the end of the metal connector 51 located in the cold storage chamber 2 is covered with an insulating sleeve 52; the connection between the load-bearing bottom plate 21 and the base 11 through the metal connector 51 is conducive to ensuring the connection strength, but metal is easy to conduct heat. By covering the part of the metal connector 51 in the cold storage chamber 2 with the insulating sleeve 52, heat conduction between the cold storage chamber 2 and the external air through the metal connector 51 can be avoided, the risk of water backflow and rust on the metal connector 51 is reduced, and the risk of increased condensation water in the cold storage chamber 2 is also reduced. Furthermore, the metal connector 51 can be made of carbon steel; the metal connector 51 includes a bolt, the head 511 of the bolt is located in the cold storage chamber 2 and is covered by the insulation sleeve 52, an insulation gasket 53 is provided between the head 511 of the bolt and the load-bearing bottom plate 21, and the rod 512 of the bolt passes through the load-bearing bottom plate 21 and is connected and fixed to the base 11.

[0039] Optionally, a second mounting hole for the connecting assembly 5 to pass through is provided on the load-bearing base plate 21, and a second sealant 62 is provided between the inner wall of the second mounting hole and the outer wall of the connecting assembly 5. The second sealant 62 can be applied to the inner wall of the second mounting hole before the metal connector 51 is installed. Furthermore, the rod portion 512 of the metal connector 51 passes through the second mounting hole. The second sealant 62 helps improve the sealing performance between the second mounting hole and the metal connector 51, thereby reducing the conduction of cold air from the interior of the refrigeration chamber 2 to the exterior of the cabinet 1, thereby reducing the generation of condensed water.

[0040] Optionally, the insulation sleeve 52 is made of polyurethane rubber, which has a thermal conductivity of approximately 0.02W / (m·K), much lower than the thermal conductivity of carbon steel of 60W / (m·K), and can effectively prevent the cold air inside the cold storage chamber 2 from directly contacting the metal connector 51.

[0041] Optionally, the thermal insulation gasket 53 is made of nylon, and the thermal conductivity of nylon is about 0.2W / (m·K), which is much lower than the thermal conductivity of carbon steel 60W / (m·K). It can be seen that the thermal insulation gasket 53 made of nylon material is beneficial to reducing heat transfer while meeting the compressive strength.

[0042] Optionally, multiple connecting assemblies 5 may be provided, with at least some of the connecting assemblies 5 corresponding to and passing through the corresponding load-bearing supports 4. Passing through the corresponding load-bearing supports 4 allows the connecting assemblies 5 to not only securely connect the load-bearing base plate 21 to the base 11 but also assist in positioning and securing the load-bearing supports 4, thereby improving the stability of the overall structure. Furthermore, the load-bearing supports 4 are provided with through-holes for the connecting assemblies 5 to pass through. Specifically, the rod portion 512 of the metal connector 51 passes through the load-bearing supports 4.

[0043] The refrigeration device of the above embodiment realizes the connection and fixation between the load-bearing bottom plate 21 and the base 11 through the connecting component 5, which is beneficial to improving the structural stability; in addition, the load-bearing support 4 can play a supporting role, and the connecting component 5 and the load-bearing support 4 can be set independently of each other. The supporting strength can be guaranteed without setting too many connecting components 5, and reducing the number of connecting components 5 is beneficial to reducing the requirements for positioning accuracy, thereby helping to reduce the difficulty of installation.

[0044] The load-bearing support member 4 is helpful in reducing the squeezing of the thermal insulation board 3, so that the thermal insulation board 3 can operate normally, which is helpful in reducing the generation of condensed water in the refrigerating chamber 2. However, the door of the refrigerating chamber 2 will be frequently opened and closed during use of the refrigerating device, and the generation of condensed water cannot be avoided. Therefore, the condensed water in the refrigerating chamber 2 needs to be drained away in time to ensure the refrigeration effect of the refrigerating device and to improve the user experience of the refrigerating device. The discharge of condensed water in the refrigerating chamber 2 is described in detail below.

[0045] See also Figures 1 to 5 In some optional embodiments, a water receiving tray 8 is provided outside the box body 1. The water receiving tray 8 is used to receive condensed water discharged from the compressor 7 and / or the refrigeration chamber 2. The water receiving tray 8 is detachably connected to the base 11 and is suspended below the base 11.

[0046] Optionally, the compressor 7 has a drainage interface 71 , and the water discharged from the drainage interface 71 can be introduced into the water receiving tray 8 through a drainage pipe.

[0047] Optionally, a condensation water connector 12 is provided below the base 11 . The condensation water connector 12 is located above the water receiving tray 8 and is arranged opposite to the water receiving tray 8 . The condensation water in the refrigeration chamber 2 is discharged into the water receiving tray 8 through the condensation water connector 12 .

[0048] In the refrigeration device of the above embodiment, the water tray 8 can receive condensed water and prevent it from overflowing in large quantities. This is especially true when the refrigeration device is frequently opened and closed, where the interaction of hot and cold air generates a large amount of condensed water, which can prevent the condensed water from being drained away in a timely and smooth manner, and is prone to overflowing. Discharging the condensed water into the water tray 8 through the condensed water connector 12 helps prevent large amounts of condensed water from overflowing. Furthermore, the water tray 8 can be detachably suspended below the base 11, making it easy to disassemble, assemble, and replace, and can be mounted on-site for easy transportation.

[0049] See also Figures 1 to 5 In some optional embodiments, the fan 91 is located outside the box 1 and is suspended below the base 11 through a bracket 92, and the air outlet direction of the fan 91 is toward the water receiving tray 8.

[0050] Optionally, there may be multiple fans 91 , for example, 2 fans; wherein the specific number and location of the fans 91 may be selected and set according to requirements.

[0051] Optionally, the water receiving tray 8 is tilted, and the end of the water receiving tray 8 close to the fan 91 is lower than the end of the water receiving tray 8 away from the fan 91, so that the water in the water receiving tray 8 flows toward the direction close to the fan 91, which is beneficial for the air outlet of the fan 91 to directly and fully act on the water in the water receiving tray 8, thereby accelerating the evaporation rate of the water and reducing the frequency of dumping the water receiving tray 8.

[0052] Optionally, the water receiving tray 8 is provided with a hook 81 and a hanging hole 82, the base 11 is provided with a first hanging pin 111 adapted to the hook 81, and the bracket 92 is provided with a second hanging pin 921 adapted to the hanging hole 82. The hook 81 is provided at the front end of the water receiving tray 8, and the hanging hole 82 is provided at the rear end of the water receiving tray 8. During installation, the front end of the water receiving tray 8 is brought into contact with the first hanging pin 111 via the hook 81, and then the hanging hole 82 is aligned with the second hanging pin 921. The water receiving tray 8 is then pushed forward so that the hanging hole 82 is in place with the second hanging pin 921, and the hook 81 is in place with the first hanging pin 111.

[0053] Optionally, a relief hole 922 is provided on the bracket 92, and the relief hole 922 can avoid the drainage pipe connected to the drainage interface 71, thereby facilitating the routing of the drainage pipe.

[0054] The refrigeration device of the above embodiment is helpful to accelerate the evaporation of condensed water in the water receiving tray 8 by using the fan 91, thereby improving the water receiving capacity of the water receiving tray 8 and reducing the frequency of dumping the water receiving tray 8.

[0055] See also Figures 1 to 6 The present application also provides a sample analysis pipeline, including a sample injection device, a sample transport device, a sample pre-processing device, a sample analysis device and a sample post-processing device.

[0056] Optionally, the sample transport device transfers the sample from the sample injection device to the sample pre-processing device for pre-processing, and then to the sample analysis device for analysis. After analysis, the sample is transferred to the sample post-processing device via the sample transport device. Furthermore, the sample transport device may include a sample analysis connection portion that connects to the sample analysis device, allowing the sample transport device to accurately and quickly locate the sample analysis device during sample transfer, thereby improving the operational accuracy of the sample analysis line.

[0057] Optionally, the sample post-processing apparatus includes an interface device and a refrigeration device as described in any of the above embodiments. The refrigeration device is used to refrigerate samples. The interface device has a buffer zone, which includes refrigerated racks for placing samples and a placement station for the refrigerated racks. Furthermore, the refrigeration device also includes a transfer assembly for transferring the refrigerated racks in the buffer zone to refrigeration chamber 2 for refrigeration.

[0058] The refrigeration device of the present application has the advantages of stable structure and good refrigeration effect, which is conducive to long-term and stable refrigeration operations. The sample analysis pipeline with the refrigeration device can realize operations such as refrigerated storage, transportation, and detection and analysis of biological samples, and can operate stably for a long time with a high degree of operation automation, which is conducive to improving operation efficiency and reducing costs.

[0059] Throughout this specification, references to terms such as "this embodiment," "example," and "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0060] The above is only an implementation method of the present application and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the description and drawings of this application, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A refrigeration device, characterized in that: include: A box body, wherein the box body has a base; A refrigerating chamber, the refrigerating chamber being arranged in the box body and having a load-bearing bottom plate, the load-bearing bottom plate being located above the base; A thermal insulation board, the thermal insulation board being sandwiched between the load-bearing bottom plate and the base; A load-bearing support member, one end of which is in contact with the base, and the other end of which passes through the thermal insulation board and supports the load-bearing bottom plate so that the load-bearing bottom plate is not lower than the thermal insulation board.

2. The refrigeration device according to claim 1, characterized in that The load-bearing bottom plate is connected and fixed to the base through a connecting assembly.

3. The refrigeration device according to claim 2, characterized in that There are multiple groups of the connecting components, and there are multiple load-bearing supports. At least some of the connecting components correspond to the load-bearing supports and pass through the corresponding load-bearing supports.

4. The refrigeration device according to claim 2, characterized in that The connecting assembly includes a metal connecting piece and an insulating sleeve, one end of the metal connecting piece is located in the refrigerating chamber, the other end of the metal connecting piece passes through the load-bearing bottom plate and is connected and fixed to the base, and the end of the metal connecting piece located in the refrigerating chamber is covered with the insulating sleeve.

5. The refrigeration device according to claim 2, characterized in that A first mounting hole for the load-bearing support to pass through is provided on the thermal insulation board, and a first sealant is provided between the inner wall of the first mounting hole and the outer wall of the load-bearing support; and / or a second mounting hole for the connecting component to pass through is provided on the load-bearing base plate, and a second sealant is provided between the inner wall of the second mounting hole and the outer wall of the connecting component.

6. The refrigeration device according to claim 4, characterized in that The heat-insulating sleeve is made of polyurethane rubber, and the load-bearing support is made of nylon; And / or, the metal connecting part includes a bolt, the head of the bolt is located in the refrigeration chamber and is covered by the insulation sleeve, a thermal insulation gasket is provided between the head of the bolt and the load-bearing base plate, the thermal insulation gasket is made of nylon, and the rod of the bolt passes through the load-bearing base plate and is connected and fixed to the base.

7. The refrigeration device according to any one of claims 1 to 6, characterized in that: The refrigeration device also includes a compressor and a water receiving pan arranged outside the box, the water receiving pan is used to receive condensed water discharged from the compressor and / or the refrigeration chamber, the water receiving pan is detachably connected to the base and hung below the base; and / or the refrigeration device also includes a fan, the fan is located outside the box and is suspended below the base through a bracket, and the air outlet direction of the fan is toward the water receiving pan.

8. The refrigeration device according to claim 7, characterized in that The water receiving tray is tilted, and an end of the water receiving tray close to the fan is lower than an end of the water receiving tray away from the fan.

9. The refrigeration device according to claim 7, characterized in that The water receiving tray is provided with a hook and a hanging hole, the base is provided with a first hanging pin adapted to the hook, and the bracket is provided with a second hanging pin adapted to the hanging hole.

10. A sample analysis pipeline, characterized in that: It includes a sample injection device, a sample transport device, a sample pre-processing device, a sample analysis device and a sample post-processing device; the sample transport device transfers the sample from the sample injection device to the sample pre-processing device for pre-processing, and then enters the sample analysis device for analysis. After the sample is analyzed, it is transferred to the sample post-processing device through the sample transport device; The sample post-processing equipment includes a refrigeration device and an interface device as described in any one of claims 1 to 9, wherein the refrigeration device is used to refrigerate samples, and the interface device has a buffer zone, which includes a refrigerated storage rack for placing samples and a placement station for placing the refrigerated storage rack; the refrigeration device also has a transfer component, which is used to transfer the refrigerated storage rack in the buffer zone to the refrigerated chamber for refrigeration.

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