Ultra-low-temperature sample storage device

Abstract

An ultra-low-temperature sample storage device, comprising a storage compartment (1), an operation compartment (2) and a dehumidification component (3), wherein the operation compartment (2) is arranged on one side of the storage compartment (1), and the operation compartment (2) can retrieve, store or transfer samples in the storage compartment (1); a rotatable storage rack component (11) is provided in the storage compartment (1); and one port of the dehumidification component (3) is in communication with the storage compartment (1), and the other port acts on the interior of the operation compartment (2).

Description

A cryogenic sample storage device Technical Field

[0001] This invention relates to the field of sample storage technology, and in particular to an ultra-low temperature sample storage device. Background Technology

[0002] Most currently used sample storage devices employ a fixed lifting system. This method has limited storage capacity and requires lifting the basket to the upper operating chamber for sample retrieval. After retrieval, the sample is placed in a freezer for freezing. This retrieval method requires lifting the entire basket, leaving the sample boxes on the basket unfrozen, which is detrimental to sample preservation. Furthermore, frost can easily form during sample tube picking, hindering the process. Some low-temperature storage devices have internal tube-picking mechanisms that operate at extremely low temperatures, potentially affecting the accuracy of selecting trays / samples and posing a serious threat to sample safety. Maintenance is also difficult. Therefore, the inventor designed an ultra-low temperature sample storage device. Summary of the Invention

[0003] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0004] In view of the problems existing in the above or prior art, the present invention is proposed.

[0005] Therefore, the purpose of this invention is to provide an ultra-low temperature sample storage device that can store more sample boxes by rotating the storage structure. By setting a dehumidification component in the storage structure, the operating chamber can be dehumidified to avoid frost formation during the tube picking process. By integrating the transfer mechanism and the barcode scanning mechanism, the transfer can be completed immediately after scanning, thereby improving the efficiency of the transfer. Furthermore, there is no need to set up a sample box shovel mechanism and a tube picking mechanism in the storage chamber, avoiding long-term ultra-low temperature freezing and thus avoiding a decrease in the accuracy of tube picking and shoveling.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an ultra-low temperature sample storage device, which includes a storage chamber, an operation chamber and a dehumidification component, wherein the operation chamber is disposed on one side of the storage chamber and the operation chamber can extract, store or transfer samples in the storage chamber; the storage chamber is provided with a rotatable storage structure component.

[0007] One end of the dehumidification component is connected to the storage compartment, while the other end is connected to the operating compartment.

[0008] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the dehumidification component includes a dehumidification fan and a dehumidification chamber. The dehumidification chamber is located in the middle of the storage structure component, and at least one sub-tube extends from the storage structure component into the dehumidification chamber. The dehumidification fan is located at the upper end of the dehumidification chamber, and the air intake of the dehumidification fan is connected to the dehumidification chamber. The exhaust port of the dehumidification fan is connected to the interior of the operating chamber.

[0009] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, an adsorption material is provided inside the dehumidification chamber.

[0010] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the dehumidification chamber is provided with two sub-tubes, which are located at the upper and lower parts of the dehumidification chamber, respectively.

[0011] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, it further includes a transfer scanning mechanism; the transfer scanning mechanism is disposed on the side of the storage chamber, and the transfer scanning mechanism can dock with the operation chamber to transfer sample boxes.

[0012] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the transfer scanning mechanism includes a transfer component and a barcode scanning component; the barcode scanning component is provided on one side of the transfer component, the transfer component can dock with the operating chamber and transfer the sample box, and the barcode scanning component can scan and identify the sample box.

[0013] In a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the transfer component includes a driving translation component and a movable support plate. The movable support plate is disposed above the driving translation component, and at least one set of sample boxes can be placed on the movable support plate. The driving translation component can drive the movable support plate to dock and transfer with the operating chamber.

[0014] In a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the driving translation component can drive the movable support plate to perform at least one level of telescopic movement.

[0015] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the operation chamber includes a sample box shovel mechanism and a tube picking mechanism; the sample box shovel mechanism is located on the side of the tube picking mechanism, and the sample box shovel mechanism can shovel the sample box in the storage chamber and rotate it into the tube picking mechanism for tube picking.

[0016] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the sample box shovel mechanism includes a three-axis mechanical shovel arm mechanism, which can extend into the storage chamber to shovel the sample box and can rotate in multiple stages to move the sample box to the tube picking mechanism.

[0017] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the three-axis mechanical shovel arm mechanism includes a first rotating joint, a second rotating joint, a shovel plate, and a joint support frame; the second rotating joint is connected to the first rotating joint, the shovel plate is connected to the second rotating joint, the joint support frame is connected to the first rotating joint, the first rotating joint can rotate around the joint support frame, the second rotating joint can rotate around the first rotating joint, and the shovel plate can scoop up the sample box.

[0018] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the sample box shovel mechanism further includes a shovel lifting mechanism and a three-axis mechanical shovel arm mechanism. The shovel lifting mechanism is equipped with a three-axis mechanical shovel arm mechanism, which can drive the three-axis mechanical shovel arm mechanism to slide vertically.

[0019] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the tube picking mechanism includes a lifting tube picking assembly and an operating table. The operating table is provided below the lifting tube picking assembly, and multiple sample boxes can be placed on the operating table.

[0020] In a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the lifting tube assembly includes an upper support, a steering drive, a lifting component, and an aspirator; the upper support is connected to the side of the storage chamber, the lower end of the upper support is connected to the steering drive, the side of the steering drive is connected to the lifting component, the lower end of the lifting component is provided with an aspirator, the steering drive can drive the lifting component to turn, the lifting component can drive the aspirator to move up and down, and the aspirator can aspirate the cryopreservation tubes in the sample box.

[0021] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, it further includes an extraction channel door mechanism and an extraction channel; the extraction channel is opened on the storage chamber and is located in the operation chamber, and the extraction channel door mechanism is provided in the extraction channel, which can open or close the extraction channel.

[0022] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the operating chamber is further provided with a transfer sealing mechanism, and a transfer scanning mechanism is provided on the side of the operating chamber. The transfer sealing mechanism can be raised and lowered to seal the transfer scanning mechanism.

[0023] In a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the transfer sealing mechanism includes a vertical sealing door, and a vertical sealing door drive is provided above the vertical sealing door, which can drive the vertical sealing door to slide vertically.

[0024] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the operating chamber is further provided with a rotating door, which can seal the operating chamber and can rotate inside the operating chamber.

[0025] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the rotating door is provided with a first inlet / outlet channel, the first inlet / outlet channel is connected to the operating chamber, and a first sealing door is provided inside the first inlet / outlet channel, the first sealing door can seal the first inlet / outlet channel.

[0026] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, a maintenance door mechanism is also provided on the storage chamber. The maintenance door mechanism is located on one side of the operation chamber. The maintenance door mechanism can be rotated to open or close. Storage structure components are provided inside the maintenance door mechanism.

[0027] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the maintenance door mechanism is provided with a transfer scanning mechanism, the upper end of the transfer scanning mechanism is provided with a second inlet / outlet channel, the second inlet / outlet channel is provided with a second channel door mechanism, and the second channel door mechanism can open and close the second inlet / outlet channel.

[0028] In a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the storage structure includes a storage rotating frame and a rotating frame drive component. The rotating frame drive component is disposed above the storage rotating frame and can drive the storage rotating frame to rotate.

[0029] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the storage rotating frame is provided with multiple sets of storage slots, which can store sample boxes.

[0030] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, a dehumidification component is provided in the middle of the storage rotating frame. The dehumidification component can draw the cold source in the storage chamber to the operating chamber and dehumidify the sample box in the operating chamber.

[0031] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the maintenance door mechanism is further provided with a ventilation device, one end of which is connected to the operating chamber and the other end is used for ventilation with the outside air.

[0032] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the dehumidification component is a liquid nitrogen cup or liquid nitrogen tank filled with liquid nitrogen. The liquid nitrogen cup or liquid nitrogen tank is installed in the storage chamber, and the liquid nitrogen can dehumidify the operating chamber or storage chamber.

[0033] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the liquid nitrogen cup or liquid nitrogen tank can be dehumidified in the operating chamber through a pipeline.

[0034] The beneficial effects of the ultra-low temperature sample storage device of the present invention are as follows: 1. By setting a rotatable storage structure in the storage chamber, the storage capacity can be increased, and the sample box shovel mechanism and tube picking mechanism are set in the operation chamber, so that they are not kept in an ultra-low temperature frozen state for a long time, thereby avoiding a decrease in the accuracy of tube picking and shoveling; 2. By setting a dehumidification component, the sample boxes in the operation chamber can be dehumidified, which can prevent frost from forming during the tube picking process, thus affecting the tube picking process; 3. By setting a transfer scanning mechanism, the sample boxes can be quickly scanned and transferred, improving work efficiency; 4. By setting a maintenance door mechanism, the storage chamber can be quickly opened for inspection and maintenance.

[0035] The inventors provide the following technical solution: an ultra-low temperature sample storage device, including a storage chamber, an operation chamber, and a dehumidification component. The operation chamber is located on one side of the storage chamber and can extract, store, or transfer samples in the storage chamber. The storage chamber is equipped with a rotatable storage structure component.

[0036] The dehumidification component is installed inside the storage compartment, and can dehumidify the storage compartment or the operating compartment.

[0037] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the dehumidification component includes a dehumidification fan and a dehumidification chamber. The dehumidification fan is connected to the dehumidification chamber, and the dehumidification fan can dehumidify the storage chamber or the operating chamber through the dehumidification chamber.

[0038] The dehumidification chamber is located in the middle of the storage structure component, and at least one sub-tube extends from the dehumidification chamber toward the storage structure component; the dehumidification fan is located at the upper end of the dehumidification chamber, and the air intake of the dehumidification fan is connected to the dehumidification chamber; the exhaust port of the dehumidification fan is connected to the interior of the operating compartment.

[0039] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, an adsorption material is provided inside the dehumidification chamber.

[0040] As a preferred embodiment of the ultra-low temperature sample storage device of the present invention, the dehumidification chamber is provided with two sub-tubes, which are located at the upper and lower parts of the dehumidification chamber, respectively.

[0041] The beneficial effects of the ultra-low temperature sample storage device of the present invention are as follows: 1. By setting a rotatable storage structure in the storage chamber, the storage capacity can be increased, and the sample box scooping mechanism and tube picking mechanism are set in the operation chamber, so that they are not kept in an ultra-low temperature frozen state for a long time, thereby avoiding a decrease in the accuracy of tube picking and scooping; 2. By setting a dehumidification component, the sample boxes in the operation chamber can be dehumidified, which can prevent frost from forming during the tube picking process, thus affecting the tube picking process; 3. When the dehumidification component is in the form of a fan, the operation chamber and storage chamber can be dehumidified quickly; 4. When the dehumidification component is a liquid nitrogen cup or liquid nitrogen tank filled with liquid nitrogen, it has the following advantages: ① It is beneficial to adjust the degree of liquid nitrogen vaporization, saving liquid nitrogen and extending the duration; ② It is beneficial to maintain an oxygen-deficient state in the refrigerator, making long-term sample storage more reliable and safer; ③ In case of power failure, the liquid nitrogen cold source can be seamlessly compensated, ensuring the safety of the sample; ④ During the storage and retrieval process, the box is kept under positive pressure for a long time, ensuring that the sample meets the standard of no dew, no frost and no ice, which is beneficial to sample storage and retrieval and automated operation. Attached Figure Description

[0042] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0043] Figure 1 is a schematic diagram of the overall ultra-low temperature sample storage device.

[0044] Figure 2 is a schematic diagram of the rotating door of the ultra-low temperature sample storage device in the open state.

[0045] Figure 3 is a partial three-dimensional schematic diagram of the ultra-low temperature sample storage device.

[0046] Figure 4 is a schematic diagram of the extraction channel door mechanism of the ultra-low temperature sample storage device.

[0047] Figure 5 is a schematic diagram of the sample box shovel mechanism of the ultra-low temperature sample storage device.

[0048] Figure 6 is a schematic diagram of the operating chamber of the ultra-low temperature sample storage device.

[0049] Figure 7 is a schematic diagram of the tube-picking mechanism of the ultra-low temperature sample storage device.

[0050] Figure 8 is a schematic diagram of the transfer and scanning mechanism of the ultra-low temperature sample storage device.

[0051] Figure 9 is a schematic diagram of the opening of the second inlet / outlet channel of the ultra-low temperature sample storage device.

[0052] Figure 10 is a schematic diagram of the storage architecture of an ultra-low temperature sample storage device.

[0053] Figure 11 is an enlarged view of point A in the ultra-low temperature sample storage device in Figure 10.

[0054] Figure 12 is a cross-sectional view of the storage architecture of the ultra-low temperature sample storage device.

[0055] Figure label:

[0056] Storage compartment, 1; Operation compartment, 2; Dehumidification component, 3; Storage structure component, 11; Dehumidification fan, 31; Dehumidification cylinder, 32; Transfer scanning mechanism, 4; Transfer assembly, 41; Barcode scanning assembly, 42; Drive translation component, 411; Moving support plate, 412; Sample box shovel mechanism, 21; Tube picking mechanism, 22; Three-axis mechanical shovel arm mechanism, 211; First rotating joint, 2111; Second rotating joint, 2112; Shovel plate, 2113; Joint support frame, 2114; Shovel hand lifting mechanism 212; Lifting and lifting pipe assembly, 221; Operating platform, 222; Upper support, 2211; Steering drive, 2212; Lifting component, 2213; Suction component, 2214; Extraction channel door mechanism, 66; Transfer sealing mechanism, 5; Vertical sealing door, 51; Vertical sealing door drive, 52; Rotating door, 6; First entry / exit channel, 7; Maintenance door mechanism, 15; Second channel door mechanism, 9; Storage rotating frame, 111; Rotating frame drive, 112; Storage tank, 113; Ventilation device, 8; Detailed Implementation

[0057] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0058] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0059] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments. Example 1

[0060] Referring to Figures 1-5, the first embodiment of the present invention provides an ultra-low temperature sample storage device, which includes a storage chamber 1, an operation chamber 2, and a dehumidification component 3. The storage chamber 1 is provided with a dehumidification component 3, and one end of the dehumidification component 3 is connected to the operation chamber 2 for dehumidification. A large number of sample boxes can be stored through the storage structure component 11 in the storage chamber 1, and the sample boxes can be extracted, stored, picked up, or transferred through the operation chamber 2.

[0061] Preferably, the storage chamber 1, the operation chamber 2, and the dehumidification component 3 are provided. The operation chamber 2 is located on one side of the storage chamber 1 and can extract, store, or transfer samples in the storage chamber 1. The storage chamber 1 is provided with a rotatable storage structure component 11.

[0062] One end of the dehumidification component 3 is connected to the storage compartment 1, and the other end is connected to the operating compartment 2.

[0063] Preferably, the samples in the sample box are cryogenically frozen in the storage chamber 1. The sample box that has just been scooped out of the storage chamber 1 is placed into the operation chamber 2. At this time, the sample box will be frosted, which is not conducive to the tube picking work. The cold source in the storage chamber 1 can be transported to the operation chamber 2 through the dehumidification component 3, which can overcome this phenomenon and make the tube picking work complete smoothly.

[0064] Preferably, the dehumidification component 3 is installed inside the storage compartment 1, and the dehumidification component 3 can dehumidify the storage compartment 1 or the operating compartment 2.

[0065] In summary, the present invention can store a large number of sample boxes by setting a rotatable storage structure 11 inside the storage compartment 1. The sample boxes can be accessed by setting an operation compartment 2. The dehumidification component 3 can transport the cold source in the storage compartment 1 to the operation compartment 2 to dehumidify the sample boxes and samples in the operation compartment 2 and avoid frost formation during the tube picking process.

[0066] Example 2

[0067] Referring to Figures 1-12, this is the second embodiment of the present invention. In the previous embodiment, the ultra-low temperature sample storage device includes a storage chamber 1, an operation chamber 2, and a dehumidification component 3. The storage chamber 1 is provided with a dehumidification component 3, and one end of the dehumidification component 3 is connected to the operation chamber 2 for dehumidification. A large number of sample boxes can be stored through the storage structure component 11 in the storage chamber 1, and the sample boxes can be extracted, stored, picked up, or transferred through the operation chamber 2.

[0068] Preferably, the storage chamber 1, the operation chamber 2, and the dehumidification component 3 are provided. The operation chamber 2 is located on one side of the storage chamber 1 and can extract, store, or transfer samples in the storage chamber 1. The storage chamber 1 is provided with a rotatable storage structure component 11.

[0069] One end of the dehumidification component 3 is connected to the storage compartment 1, and the other end is connected to the operating compartment 2.

[0070] Furthermore, the dehumidification component 3 includes a dehumidification fan 31 and a dehumidification chamber 32. The dehumidification chamber 32 is located in the middle of the storage structure component 11, and the dehumidification chamber 32 extends towards the storage structure component 11 with at least one sub-tube. The dehumidification fan 31 is located at the upper end of the dehumidification chamber 32, and the air intake of the dehumidification fan 31 is in communication with the dehumidification chamber 32. The exhaust port of the dehumidification fan 31 is in communication with the interior of the operating compartment 2.

[0071] Preferably, the dehumidifying fan 31 can deliver the cold source in the storage compartment 1 into the operating compartment 2 to dehumidify the sample boxes and sample tubes.

[0072] Furthermore, the dehumidification chamber 32 is equipped with adsorption material.

[0073] Preferably, the adsorbent material can filter and adsorb the cold source.

[0074] Furthermore, the dehumidification chamber 32 is provided with two sub-tubes, which are located at the upper and lower parts of the dehumidification chamber 32, respectively.

[0075] Preferably, by setting two sub-tubes, air intake and exhaust can be performed separately, and the exhaust port can be connected to the interior of the operating chamber 2 through a pipe.

[0076] It should be noted that the dehumidification component 3 can also take other forms, such as a liquid nitrogen cup or liquid nitrogen tank filled with liquid nitrogen, which is located inside or outside the storage compartment 1, and the liquid nitrogen can dehumidify the operating compartment 2 or the storage compartment 1.

[0077] It should be noted that the liquid nitrogen cup or liquid nitrogen tank can be placed inside the operation chamber 2. By placing liquid nitrogen inside the operation chamber 2, the operation chamber can be dehumidified by the evaporation of liquid nitrogen. Of course, when the liquid nitrogen cup or liquid nitrogen tank is inside the operation chamber 2, the storage chamber 1 can be dehumidified through the pipeline valve, and at the same time, it can be refrigerated to store the sample at low temperature.

[0078] It should be noted that the liquid nitrogen cup or liquid nitrogen tank can also be set outside the operating chamber 2. The liquid nitrogen cup or liquid nitrogen tank is connected to the operating chamber 2 through a pipe. By utilizing the volatile properties of liquid nitrogen, moisture can be removed from the inside of the operating chamber 2, keeping the operating chamber 2 dry.

[0079] It should be noted that the liquid nitrogen cup or liquid nitrogen tank can also be installed in the storage chamber 1, and its opening and closing can be controlled by pipeline valves to remove moisture from the operating chamber 2. At the same time, since the liquid nitrogen cup or liquid nitrogen tank is installed inside the storage chamber 1, the liquid nitrogen can be used to cool the storage chamber 1 and dehumidify it at the same time.

[0080] Preferably, when the liquid nitrogen cup or liquid nitrogen tank is installed in the storage compartment 1, the liquid nitrogen cup or liquid nitrogen tank can dehumidify the operating compartment 2 through a pipeline; the liquid nitrogen cup or liquid nitrogen tank itself can dehumidify the storage compartment 1.

[0081] Dehumidification component 3 uses liquid nitrogen for dehumidification, which has the following advantages:

[0082] ① It helps to regulate the degree of liquid nitrogen vaporization, save liquid nitrogen, and prolong the duration;

[0083] ②It helps maintain an oxygen-deficient state inside the refrigerator, making long-term sample storage more reliable and safer;

[0084] ③ In the event of a power failure, the liquid nitrogen cold source provides seamless compensation, ensuring the safety of the samples.

[0085] ④ During storage and retrieval, the box is kept under positive pressure to ensure that the samples meet the standards of being free of dew, frost, and ice, which is beneficial for sample storage and retrieval as well as automated operation and maintenance.

[0086] Furthermore, it also includes a transfer scanning mechanism 4; the transfer scanning mechanism 4 is located on the side of the storage compartment 1, and the transfer scanning mechanism 4 can dock with the operation compartment 2 to transfer sample boxes.

[0087] Furthermore, the transfer scanning mechanism 4 includes a transfer component 41 and a barcode scanning component 42; the barcode scanning component 42 is provided on one side of the transfer component 41, the transfer component 41 can dock with the operation cabin 2 to transfer the sample box, and the barcode scanning component 42 can scan and identify the sample box.

[0088] Preferably, the transfer component 41 and the scanning component 42 are integrated into one chamber, which can realize scanning while transferring, reduce unnecessary movement operations, and thus improve the efficiency of the transfer work.

[0089] Furthermore, the transfer assembly 41 includes a driving translation component 411 and a movable support plate 412. The movable support plate 412 is disposed above the driving translation component 411. At least one set of sample boxes can be placed on the movable support plate 412. The driving translation component 411 can drive the movable support plate 412 to dock and transfer with the operating cabin 2.

[0090] Furthermore, the driving translation component 411 can drive the movable support plate 412 to perform at least one level of telescopic movement.

[0091] Preferably, the driving translation component 411 can drive the movable support plate 412 to move horizontally, and can move in multiple stages. It can move a second time based on the first stage of movement, so as to smoothly extend the movable support plate 412 into the operating cabin 2.

[0092] Preferably, the driving translation component 411 can be driven by a motor, using gears and spur gears for meshing transmission, thereby driving the movable support plate 412 to move horizontally. The transmission pulley can drive the movable support plate 412 to move a second time, allowing the movable support plate 412 to extend into the operating cabin.

[0093] Furthermore, the operating chamber 2 includes a sample box shovel mechanism 21 and a tube picking mechanism 22; the sample box shovel mechanism 21 is located on the side of the tube picking mechanism 22, and the sample box shovel mechanism 21 can shovel the sample box in the storage chamber 1 and rotate it into the tube picking mechanism 22 for tube picking.

[0094] Preferably, the sample box scooping mechanism 21 can scoop up sample boxes on the storage structure component 11, or it can send sample boxes onto the storage structure component 11 for storage; the sample box scooping mechanism 21 can place the scooped sample boxes below the tube-picking mechanism 22, or it can scoop up sample boxes from the movable support plate 412 and place them below the tube-picking mechanism 22 for tube picking; or the sample box scooping mechanism 21 can directly grab sample boxes from the movable support plate 412 and place them onto the storage structure component 11.

[0095] Preferably, the tube-picking mechanism 22 can select samples from the sample box.

[0096] Furthermore, the sample box shovel mechanism 21 includes a three-axis mechanical shovel arm mechanism 211, which can extend into the storage compartment 1 to shovel the sample box and can rotate in multiple stages to move the sample box onto the tube picking mechanism 22.

[0097] Preferably, the three-axis mechanical shovel arm mechanism 211 can perform multi-stage extension and rotation in the horizontal direction.

[0098] Furthermore, the three-axis mechanical shovel arm mechanism 211 includes a first rotating joint 2111, a second rotating joint 2112, a shovel plate 2113, and a joint support frame 2114; the second rotating joint 2112 is connected to the first rotating joint 2111, the shovel plate 2113 is connected to the second rotating joint 2112, and the joint support frame 2114 is connected to the first rotating joint 2111. The first rotating joint 2111 can rotate around the joint support frame 2114, the second rotating joint 2112 can rotate around the first rotating joint 2111, and the shovel plate 2113 can scoop up the sample box.

[0099] Preferably, by setting a first rotating joint 2111 and a second rotating joint 2112, the horizontally extended position can be extended while rotating.

[0100] Furthermore, the sample box shovel mechanism 21 also includes a shovel lifting mechanism 212 and a three-axis mechanical shovel arm mechanism 211. The shovel lifting mechanism 212 is equipped with the three-axis mechanical shovel arm mechanism 211, which can drive the three-axis mechanical shovel arm mechanism 211 to slide vertically.

[0101] Furthermore, the tube picking mechanism 22 includes a lifting tube picking assembly 221 and an operating table 222. The operating table 222 is provided below the lifting tube picking assembly 221, and multiple sample boxes can be placed on the operating table 222.

[0102] Furthermore, the lifting tube assembly 221 includes an upper support 2211, a steering drive 2212, a lifting member 2213, and a suction member 2214. The upper support 2211 is connected to the side of the storage compartment 1, the lower end of the upper support 2211 is connected to the steering drive 2212, the side of the steering drive 2212 is connected to the lifting member 2213, the lower end of the lifting member 2213 is provided with the suction member 2214, the steering drive 2212 can drive the lifting member 2213 to turn, the lifting member 2213 can drive the suction member 2214 to rise and fall, and the suction member 2214 can suction the cryopreservation tube in the sample box.

[0103] Preferably, the steering drive component 2212 can drive the lifting component 2213 to rotate, and the lifting component 2213 can drive the suction component 2214 to lift.

[0104] Preferably, the tube picking work can be completed by using the suction component 2214.

[0105] Furthermore, it also includes an extraction channel door mechanism 66 and an extraction channel; the extraction channel is located on the storage compartment 1 and is also located inside the operation compartment 2. The extraction channel door mechanism 66 is installed inside the extraction channel, and the extraction channel door mechanism 66 can open or close the extraction channel.

[0106] Preferably, the extraction channel can be passed through by a three-axis mechanical shovel arm mechanism 211 to scoop up the sample box on the storage structure component 11.

[0107] Preferably, the extraction channel is vertically oriented, with a height sufficient to cover the height of the storage structure 11. The three-axis mechanical shovel arm mechanism 211 can be vertically raised and lowered on the extraction channel to access the sample boxes of each layer of the storage structure 11.

[0108] Furthermore, the operating cabin 2 is also equipped with a transfer sealing mechanism 5, and a transfer scanning mechanism 4 is provided on the side of the operating cabin 2. The transfer sealing mechanism 5 can be raised and lowered to seal the transfer scanning mechanism 4.

[0109] Preferably, by setting a transfer sealing mechanism 5, the transfer scanning mechanism 4 and the operating chamber 2 can be sealed and isolated, and can be opened when needed to transfer the sample box.

[0110] Furthermore, the transfer sealing mechanism 5 includes a vertical sealing door 51, and a vertical sealing door drive member 52 is provided above the vertical sealing door 51. The vertical sealing door drive member 52 can drive the vertical sealing door 51 to slide vertically.

[0111] Furthermore, the operating cabin 2 is also equipped with a rotating door 6, which can seal the operating cabin 2 and can rotate inside the operating cabin 2.

[0112] Preferably, the rotating door 6 can be opened or closed. When the pipe is being picked up, it is in the closed state, which can keep the operating chamber 2 in a sealed state and keep the operating chamber 2 sealed and insulated.

[0113] Furthermore, the rotating door 6 is provided with a first access passage 7, which is connected to the operating cabin 2. A first sealing door is provided inside the first access passage 7, which can seal the first access passage 7.

[0114] Preferably, the sample box can be placed onto the operating table 222 through the first entry / exit channel 7, or the sample box on the operating table 222 can be removed.

[0115] Furthermore, a maintenance door mechanism 15 is also provided on the storage compartment 1. The maintenance door mechanism 15 is located on one side of the operation compartment 2. The maintenance door mechanism 15 can be rotated to open or close. A storage structure component 11 is provided inside the maintenance door mechanism 15.

[0116] Preferably, the maintenance door mechanism 15 can be opened quickly, facilitating maintenance of the storage structure component 11, the dehumidification component 3, and other components inside the storage compartment 1, making inspection and repair convenient.

[0117] Furthermore, the maintenance door mechanism 15 is equipped with a transfer scanning mechanism 4, and a second entry / exit channel is opened at the upper end of the transfer scanning mechanism 4. A second channel door mechanism 9 is installed in the second entry / exit channel, and the second channel door mechanism 9 can open and close the second entry / exit channel.

[0118] Preferably, the maintenance door mechanism 15 is also equipped with a display control mechanism, which can display the storage status and other information, and can issue commands.

[0119] Preferably, the second access door mechanism 9 can move horizontally to open and close the second access channel.

[0120] Preferably, the sample box can be manually placed into the movable support plate 412 through the second inlet / outlet channel, or the sample box on the movable support plate 412 can be taken out through the second inlet / outlet channel.

[0121] Preferably, the first inlet / outlet channel 7 can be used for storing sample boxes; the second inlet / outlet channel can be used as a sample box retrieval channel.

[0122] The sample box is placed onto the movable support plate 412 on the transfer component 41 by manual or robotic means through the first inlet / outlet channel 7. The horizontal movement of the transfer component 41 drives the sample box to perform tube picking. Then, the sample box scooping mechanism 21 stores the sample box into the storage structure component 11.

[0123] Furthermore, the storage structure component 11 includes a storage rotating frame 111 and a rotating frame drive component 112. The rotating frame drive component 112 is disposed above the storage rotating frame 111, and the rotating frame drive component 112 can drive the storage rotating frame 111 to rotate.

[0124] Preferably, the rotating frame drive 112 can be driven by a motor and gear meshing to rotate the storage rotating frame 111.

[0125] By rotating the storage rotating frame 111, each layer and each column of the storage rotating frame 111 can be used to store sample boxes.

[0126] Furthermore, the storage rotating frame 111 is provided with multiple sets of storage slots 113, which can store sample boxes.

[0127] Furthermore, a dehumidification component 3 is provided in the middle of the storage rotating frame 111. The dehumidification component 3 can draw the cold source in the storage chamber 1 into the operation chamber 2, and the dehumidification component 3 can dehumidify the sample box in the operation chamber 2.

[0128] Furthermore, the maintenance door mechanism 15 is also equipped with a ventilation device 8, one end of which is connected to the operating cabin 2, and the other end is used for ventilation with the outside air.

[0129] Sample extraction process: The transfer sealing mechanism 5 operates by raising the vertical sealing door 51. Then, the transfer assembly 41 drives the sample box to dock with the operating chamber 2. The sample box scooping mechanism 21 places the sample box from the transfer assembly 41 onto the operating table 222. Next, the extraction channel door mechanism 66 rotates the sample box at a certain angle, fully exposing the extraction channel. The sample box scooping mechanism 21 then passes through the extraction channel to scoop the sample box from the storage structure component 11 and transfers it to the operating table 222. Simultaneously, the dehumidification component 3 delivers cold energy from the storage chamber 1 to the operating chamber 2 to dehumidify the sample box and prevent frost buildup. The sample tubes inside the sample box are then inserted by the tube picking mechanism 22. After selection, the selected sample boxes are placed onto the transfer assembly 41 by the sample box shovel mechanism 21. Unselected sample boxes are placed into the storage structure 11 for cryogenic freezing by the sample box shovel mechanism 21. The transfer assembly 41 moves the selected sample boxes horizontally to the initial position. At the same time, the extraction channel door mechanism 66 closes the extraction channel, and the vertical sealing door 51 moves downward to close the channel from the operating chamber 2 to the transfer scanning mechanism 4. The transfer assembly 41 transports the sample boxes to the bottom of the second entry and exit channel. The barcode scanning assembly 42 performs entry and exit scanning, and the second channel door mechanism 9 moves horizontally to open. The sample boxes on the transfer assembly 41 can be manually removed, and the second entry and exit channel is closed.

[0130] In summary, this invention increases storage capacity by incorporating a rotatable storage structure 11 within the storage chamber 1. Furthermore, by placing the sample box scooping mechanism 21 and the tube picking mechanism 22 within the operating chamber, they are prevented from being subjected to prolonged ultra-low temperature freezing, thus avoiding a decrease in the accuracy of tube picking and scooping. The dehumidification component 3 dehumidifies the sample boxes within the operating chamber 2, preventing frost formation during tube picking and ensuring its effectiveness. The transfer scanning mechanism 4 enables rapid scanning and transfer of sample boxes, improving work efficiency. Finally, the maintenance door mechanism 15 allows for quick opening and inspection of the storage chamber 1.

[0131] Example 3

[0132] Referring to Figures 1-12, this is the third embodiment of the present invention. Based on Embodiments 1 and 2, an ultra-low temperature sample storage device is further provided, including a storage chamber 1, an operation chamber 2, and a dehumidification component 3. The operation chamber 2 is disposed on one side of the storage chamber 1, and the operation chamber 2 can extract, store, or transfer samples in the storage chamber 1. A rotatable storage structure component 11 is provided inside the storage chamber 1.

[0133] The dehumidification component 3 is installed inside the storage compartment 1, and the dehumidification component 3 can dehumidify the storage compartment 1 or the operating compartment 2.

[0134] Furthermore, the dehumidification component 3 includes a dehumidification fan 31 and a dehumidification chamber 32. The dehumidification fan 31 is connected to the dehumidification chamber 32, and the dehumidification fan 31 can dehumidify the storage chamber 1 or the operation chamber 2 through the dehumidification chamber 32.

[0135] Furthermore, the dehumidification chamber 32 is located in the middle of the storage structure component 11, and the dehumidification chamber 32 extends towards the storage structure component 11 with at least one sub-tube; the dehumidification fan 31 is located at the upper end of the dehumidification chamber 32, and the air intake of the dehumidification fan 31 is in communication with the dehumidification chamber 32; the exhaust port of the dehumidification fan 31 is in communication with the interior of the operation chamber 2.

[0136] Furthermore, the dehumidification chamber 32 is equipped with adsorption material.

[0137] Furthermore, the dehumidification chamber 32 is provided with two sub-tubes, which are located at the upper and lower parts of the dehumidification chamber 32, respectively.

[0138] Preferably, by setting two sub-tubes, air intake and exhaust can be performed separately, and the exhaust port can be connected to the interior of the operating chamber 2 through a pipe.

[0139] It should be noted that the location and number of sub-tubes can be set according to the needs of on-site operations, thereby achieving dehumidification of storage compartment 1 or operating compartment 2.

[0140] It should be noted that the dehumidification component 3 can also take other forms, such as a liquid nitrogen cup or liquid nitrogen tank filled with liquid nitrogen, which is located inside or outside the storage compartment 1, and the liquid nitrogen can dehumidify the operating compartment 2 or the storage compartment 1.

[0141] It should be noted that the liquid nitrogen cup or liquid nitrogen tank can be placed inside the operation chamber 2. By placing liquid nitrogen inside the operation chamber 2, the operation chamber can be dehumidified by the evaporation of liquid nitrogen. Of course, when the liquid nitrogen cup or liquid nitrogen tank is inside the operation chamber 2, the storage chamber 1 can be dehumidified through the pipeline valve, and at the same time, it can be refrigerated to store the sample at low temperature.

[0142] It should be noted that the liquid nitrogen cup or liquid nitrogen tank can also be set outside the operating chamber 2. The liquid nitrogen cup or liquid nitrogen tank is connected to the operating chamber 2 through a pipe. By utilizing the volatile properties of liquid nitrogen, moisture can be removed from the inside of the operating chamber 2, keeping the operating chamber 2 dry.

[0143] It should be noted that the liquid nitrogen cup or liquid nitrogen tank can also be installed in the storage chamber 1, and its opening and closing can be controlled by pipeline valves to remove moisture from the operating chamber 2. At the same time, since the liquid nitrogen cup or liquid nitrogen tank is installed inside the storage chamber 1, the liquid nitrogen can be used to cool the storage chamber 1 and dehumidify it at the same time.

[0144] Dehumidification component 3 uses liquid nitrogen for dehumidification, which has the following advantages:

[0145] ① It helps to regulate the degree of liquid nitrogen vaporization, save liquid nitrogen, and prolong the duration;

[0146] ②It helps maintain an oxygen-deficient state inside the refrigerator, making long-term sample storage more reliable and safer;

[0147] ③ In the event of a power failure, the liquid nitrogen cold source provides seamless compensation, ensuring the safety of the samples.

[0148] ④ During storage and retrieval, the box is kept under positive pressure to ensure that the samples meet the standards of being free of dew, frost, and ice, which is beneficial for sample storage and retrieval as well as automated operation and maintenance.

[0149] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of the invention. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structurally equivalent but also equivalent in structure. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0150] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the invention as currently considered, or those features that are not relevant to implementing the invention) may be omitted.

[0151] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0152] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A cryogenic sample storage device, characterized in that: It includes a storage compartment (1), an operation compartment (2) and a dehumidification component (3). The operation compartment (2) is located on one side of the storage compartment (1) and can extract, store or transfer samples in the storage compartment (1). The storage compartment (1) is equipped with a rotatable storage structure component (11). One port of the dehumidification component (3) is connected to the storage compartment (1), and the other port is connected to the operating compartment (2).

2. The ultra-low temperature sample storage device as described in claim 1, characterized in that: The dehumidification component (3) includes a dehumidification fan (31) and a dehumidification chamber (32). The dehumidification chamber (32) is located in the middle of the storage structure component (11), and the dehumidification chamber (32) extends towards the storage structure component (11) with at least one sub-tube. The dehumidification fan (31) is located at the upper end of the dehumidification chamber (32), and the air intake of the dehumidification fan (31) is connected to the dehumidification chamber (32). The exhaust port of the dehumidification fan (31) is connected to the interior of the operating chamber (2).

3. The ultra-low temperature sample storage device as described in claim 2, characterized in that: The dehumidification chamber (32) is equipped with adsorption material.

4. The ultra-low temperature sample storage device as described in claim 2, characterized in that: The dehumidification chamber (32) is provided with two sub-tubes, which are located at the upper and lower parts of the dehumidification chamber (32) respectively.

5. The ultra-low temperature sample storage device as described in claim 1, characterized in that: It also includes a transfer scanning mechanism (4); the transfer scanning mechanism (4) is located on the side of the storage compartment (1), and the transfer scanning mechanism (4) can dock with the operation compartment (2) to transfer sample boxes.

6. The ultra-low temperature sample storage device as described in claim 5, characterized in that: The transfer scanning mechanism (4) includes a transfer component (41) and a barcode scanning component (42); the barcode scanning component (42) is provided on one side of the transfer component (41), the transfer component (41) can dock with the operation cabin (2) and transfer the sample box, and the barcode scanning component (42) can scan and identify the sample box.

7. The ultra-low temperature sample storage device as described in claim 6, characterized in that: The transfer assembly (41) includes a drive translation component (411) and a movable support plate (412). The movable support plate (412) is disposed above the drive translation component (411). At least one set of sample boxes can be placed on the movable support plate (412). The drive translation component (411) can drive the movable support plate (412) to dock and transfer with the operating cabin (2).

8. The ultra-low temperature sample storage device as described in claim 7, characterized in that: The driving translation component (411) can drive the movable support plate (412) to perform at least one level of telescopic movement.

9. The ultra-low temperature sample storage device as described in claim 1, characterized in that: The operating chamber (2) includes a sample box shovel mechanism (21) and a tube picking mechanism (22); the sample box shovel mechanism (21) is located on the side of the tube picking mechanism (22), and the sample box shovel mechanism (21) can shovel the sample box in the storage chamber (1) and rotate it into the tube picking mechanism (22) for tube picking.

10. The ultra-low temperature sample storage device as described in claim 9, characterized in that: The sample box shovel mechanism (21) includes a three-axis mechanical shovel arm mechanism (211), which can extend into the storage compartment (1) to shovel the sample box and can rotate in multiple stages to move the sample box to the tube picking mechanism (22).

11. The cryogenic sample storage device as described in claim 10, characterized in that: The three-axis mechanical shovel arm mechanism (211) includes a first rotating joint (2111), a second rotating joint (2112), a shovel plate (2113), and a joint support frame (2114); the second rotating joint (2112) is connected to the first rotating joint (2111), the shovel plate (2113) is connected to the second rotating joint (2112), and the joint support frame (2114) is connected to the first rotating joint (2111). The first rotating joint (2111) can rotate around the joint support frame (2114), the second rotating joint (2112) can rotate around the first rotating joint (2111), and the shovel plate (2113) can scoop up the sample box.

12. The ultra-low temperature sample storage device as described in any one of claims 9 to 11, characterized in that: The sample box shovel mechanism (21) also includes a shovel lifting mechanism (212) and a three-axis mechanical shovel arm mechanism (211). The shovel lifting mechanism (212) is equipped with a three-axis mechanical shovel arm mechanism (211), and the shovel lifting mechanism (212) can drive the three-axis mechanical shovel arm mechanism (211) to slide vertically.

13. The cryogenic sample storage device as described in claim 9 or 10, characterized in that: The tube picking mechanism (22) includes a lifting tube picking assembly (221) and an operating table (222). The operating table (222) is located below the lifting tube picking assembly (221), and multiple sample boxes can be placed on the operating table (222).

14. The ultra-low temperature sample storage device as described in claim 13, characterized in that: The lifting tube assembly (221) includes an upper support (2211), a steering drive (2212), a lifting component (2213), and a suction component (2214). The upper support (2211) is connected to the side of the storage compartment (1). The lower end of the upper support (2211) is connected to the steering drive (2212). The side of the steering drive (2212) is connected to the lifting component (2213). The lower end of the lifting component (2213) is provided with a suction component (2214). The steering drive (2212) can drive the lifting component (2213) to turn. The lifting component (2213) can drive the suction component (2214) to move up and down. The suction component (2214) can suction the cryopreservation tube in the sample box.

15. The ultra-low temperature sample storage device as described in claim 1, characterized in that: It also includes an extraction channel door mechanism (66) and an extraction channel; the extraction channel is located on the storage compartment (1) and is located in the operation compartment (2). The extraction channel is equipped with an extraction channel door mechanism (66), which can open or close the extraction channel.

16. The ultra-low temperature sample storage device as described in claim 1, characterized in that: The operating cabin (2) is also equipped with a transfer sealing mechanism (5), and a transfer scanning mechanism (4) is provided on the side of the operating cabin (2). The transfer sealing mechanism (5) can be raised and lowered to seal the transfer scanning mechanism (4).

17. The ultra-low temperature sample storage device as described in claim 16, characterized in that: The transfer sealing mechanism (5) includes a vertical sealing door (51), and a vertical sealing door drive (52) is provided above the vertical sealing door (51). The vertical sealing door drive (52) can drive the vertical sealing door (51) to slide vertically.

18. The ultra-low temperature sample storage device as described in claim 1, characterized in that: The operating cabin (2) is also equipped with a rotating door (6), which can seal the operating cabin (2) and can rotate inside the operating cabin (2).

19. The cryogenic sample storage device as described in claim 18, characterized in that: The rotating door (6) is provided with a first access passage (7), which is connected to the operating cabin (2). A first sealing door is provided inside the first access passage (7), which can seal the first access passage (7).

20. The ultra-low temperature sample storage device as described in claim 1, characterized in that: The storage compartment (1) is also provided with a maintenance door mechanism (15), which is located on one side of the operation compartment (2). The maintenance door mechanism (15) can be rotated to open or close, and a storage structure component (11) is provided inside the maintenance door mechanism (15).

21. The cryogenic sample storage device as described in claim 20, characterized in that: The maintenance door mechanism (15) is provided with a transfer scanning mechanism (4), and the upper end of the transfer scanning mechanism (4) is provided with a second entry and exit channel. The second entry and exit channel is provided with a second channel door mechanism (9), which can open and close the second entry and exit channel.

22. The ultra-low temperature sample storage device as described in claim 1, characterized in that: The storage structure component (11) includes a storage rotating frame (111) and a rotating frame drive component (112). The rotating frame drive component (112) is disposed above the storage rotating frame (111), and the rotating frame drive component (112) can drive the storage rotating frame (111) to rotate.

23. The ultra-low temperature sample storage device as described in claim 22, characterized in that: The storage rotating frame (111) is provided with multiple sets of storage slots (113), which can store sample boxes.

24. The cryogenic sample storage device as described in claim 22, characterized in that: A dehumidification component (3) is provided in the middle of the storage rotating frame (111). The dehumidification component (3) can draw the cold source in the storage chamber (1) into the operation chamber (2). The dehumidification component (3) can dehumidify the sample box in the operation chamber (2).

25. The ultra-low temperature sample storage device as described in claim 20, characterized in that: The maintenance door mechanism (15) is also equipped with a ventilation device (8), one end of which is connected to the operating cabin (2), and the other end is used for ventilation with the outside air.

26. The ultra-low temperature sample storage device as described in claim 1, characterized in that: The dehumidification component (3) is a liquid nitrogen cup or liquid nitrogen tank filled with liquid nitrogen. The liquid nitrogen cup or liquid nitrogen tank is installed in the storage compartment (1). The liquid nitrogen can dehumidify the operating compartment (2) or the storage compartment (1).

27. The ultra-low temperature sample storage device as described in claim 26, characterized in that: The liquid nitrogen cup or liquid nitrogen tank can dehumidify the operating chamber (2) through a pipeline; the liquid nitrogen cup or liquid nitrogen tank itself can dehumidify the storage chamber (1).

28. A cryogenic sample storage device, characterized in that: It includes a storage compartment (1), an operation compartment (2) and a dehumidification component (3). The operation compartment (2) can extract, store or transfer samples in the storage compartment (1). The storage compartment (1) is equipped with a rotatable storage structure component (11). The dehumidification component (3) is installed inside the storage compartment (1), and the dehumidification component (3) can dehumidify the storage compartment (1) or the operating compartment (2).

29. The cryogenic sample storage device as described in claim 28, characterized in that: The dehumidification component (3) includes a dehumidification fan (31) and a dehumidification chamber (32). The dehumidification fan (31) is connected to the dehumidification chamber (32). The dehumidification fan (31) can dehumidify the storage chamber (1) or the operation chamber (2) through the dehumidification chamber (32).

30. The cryogenic sample storage device as described in claim 29, characterized in that: The dehumidification chamber (32) is located in the middle of the storage structure component (11), and the dehumidification chamber (32) extends toward the storage structure component (11) with at least one sub-tube; the dehumidification fan (31) is located at the upper end of the dehumidification chamber (32), and the air intake of the dehumidification fan (31) is in communication with the dehumidification chamber (32); the exhaust port of the dehumidification fan (31) is in communication with the interior of the operation chamber (2).

31. The cryogenic sample storage device as described in claim 30, characterized in that: The dehumidification chamber (32) is equipped with adsorption material.

32. The cryogenic sample storage device as described in claim 31, characterized in that: The dehumidification chamber (32) is provided with two sub-tubes, which are located at the upper and lower parts of the dehumidification chamber (32) respectively.

33. The cryogenic sample storage device as described in claim 28, characterized in that: The dehumidification component (3) is a liquid nitrogen cup or liquid nitrogen tank filled with liquid nitrogen. The liquid nitrogen cup or liquid nitrogen tank is installed in the storage compartment (1). The liquid nitrogen can dehumidify the operating compartment (2) or the storage compartment (1).

Images