Cell storage low-temperature equipment

Abstract

The cell storage low-temperature equipment comprises a cabinet body, an opening is formed in the front side of the cabinet body, a supporting plate is arranged in the middle of the front side of the cabinet body, and cabinet doors buckled to the opening in the front side of the cabinet body are movably connected to the upper portion and the lower portion of the supporting plate; a horizontally-arranged sealing baffle is installed in the cabinet body, the interior of the cabinet body is divided into an upper-layer storage chamber and a lower-layer storage chamber through the sealing baffle, a plurality of vertically-arranged partition plates are arranged in the upper-layer storage chamber and the lower-layer storage chamber, and the upper-layer storage chamber and the lower-layer storage chamber are divided into a plurality of storage bins through the partition plates. A test tube placing rack for placing a test tube is mounted in each storage bin; a gas nitrogen conveying pipe penetrating through the sealing baffle is further installed in the cabinet body, two gas nitrogen branch pipes corresponding to the upper-layer storage chamber and the lower-layer storage chamber are communicated with the gas nitrogen conveying pipe, and valves are installed on the gas nitrogen branch pipes. The test tube box has the beneficial effects of convenience in classified storage of cells, stability in low-temperature environment, convenience in taking and placing of test tubes and the like.

Description

Technical Field

[0001] This application relates to the field of cell storage equipment technology, specifically a cell storage cryogenic device. Background Technology

[0002] Cell storage is a crucial function in cell research, medicine, and other fields. Cell storage requires a specific low-temperature environment to ensure cell viability and integrity, preventing damage from temperature fluctuations. Traditional low-temperature cell storage equipment has several shortcomings. For example, some equipment has inadequate storage space divisions, failing to meet the needs of different cell types or batches, leading to inconvenience in cell retrieval and access. Furthermore, some equipment has deficiencies in sealing and insulation performance, easily causing instability in the low-temperature environment and affecting cell storage effectiveness. In addition, the design of the devices for placing cell tubes may be inflexible, and the operation of placing and removing tubes may be inconvenient, potentially disturbing the cells inside.

[0003] With the continuous development of cell therapy technology and the increasing scale of cell banks, the performance requirements for cell storage cryogenic equipment are becoming increasingly stringent. There is a need for cell storage cryogenic equipment that can optimize storage space layout, improve low-temperature environment stability, and facilitate the handling of test tubes. Utility Model Content

[0004] This invention addresses the aforementioned problems in the existing technology by providing a low-temperature cell storage device.

[0005] The objective of this utility model is mainly achieved through the following solution:

[0006] A cell storage cryogenic device includes a cabinet with an opening on the front side. A support plate is located in the middle of the front side of the cabinet, and cabinet doors that fasten to the front opening are movably connected to the upper and lower parts of the support plate. A horizontally arranged sealing baffle is installed inside the cabinet, dividing the cabinet into an upper storage chamber and a lower storage chamber. Both the upper and lower storage chambers are equipped with multiple vertically arranged partitions, which further divide the upper and lower storage chambers into multiple storage compartments. Each storage compartment is equipped with a test tube rack for placing test tubes. A nitrogen gas delivery pipe is also installed inside the cabinet, penetrating the sealing baffle. The nitrogen gas delivery pipe is connected to two nitrogen gas branch pipes corresponding to the upper and lower storage chambers, and valves are installed on the nitrogen gas branch pipes.

[0007] Preferably, one side of the cabinet door is rotatably connected to the support plate via a hinge, and the other side of the cabinet door is connected to the side wall of the cabinet via a locking assembly.

[0008] Preferably, the locking assembly includes a wrench installed at the edge of the cabinet door and a limiting plate at the opening of the cabinet. The wrench is rotatably connected to the cabinet door, and a locking plate is provided on one side of the wrench. A locking groove is formed between the limiting plate and the side wall of the cabinet. During the rotation of the wrench, the locking plate can be locked into the locking groove, and a buffer pad is provided on the inner side wall of the limiting plate.

[0009] Preferably, the cabinet door is provided with a handle on the side near the latch assembly, and a transparent observation window is embedded in the cabinet door.

[0010] Preferably, the test tube rack includes a base plate, a supporting base plate, and a supporting top plate. The supporting base plate is rotatably connected to the upper surface of the base plate via a first fixing rod. The supporting top plate is fixedly connected to the upper surface of the supporting base plate via a second fixing rod. Multiple test tube placement slots are evenly circumferentially formed along the axis of the upper surface of the supporting base plate. Multiple test tube slots corresponding to the test tube placement slots are formed through the supporting top plate. The sidewalls of the test tubes are inserted into the test tube slots, and the bottoms of the test tubes are placed in the test tube placement slots.

[0011] Preferably, the side wall of the support substrate is provided with notches that correspond one-to-one with the test tube placement slots, and a mounting plate is provided on one side of the upper surface of the base plate. A limiting post that cooperates with the notch is inserted into the upper surface of the mounting plate, and the support substrate is fixed on the base plate by the limiting post that abuts against the inner wall of the notch.

[0012] Preferably, the gas nitrogen delivery pipe has one open end and one closed end, and its open end passes through the side wall of the cabinet and is connected to the gas nitrogen storage tank.

[0013] In summary, compared with the prior art, the present invention has the following beneficial technical effects:

[0014] (1) By setting up storage rooms with upper and lower layers and multiple storage compartments, this utility model realizes the rational division of cell storage space, which facilitates the classification and storage of different types or batches of cells and improves the convenience of cell retrieval and use.

[0015] (2) The design of the cabinet door and the combination of the latch assembly and the sealing baffle in this utility model effectively improve the sealing performance of the equipment, reduce the loss of cold air, ensure the stability of the low temperature environment inside the cabinet, and are conducive to the long-term storage of cells.

[0016] (3) The design of the test tube rack, test tube slot and test tube card slot in this utility model makes the test tube placement more stable, and the rotation angle of the support base plate can be adjusted according to actual needs, which facilitates the operation of taking and putting away test tubes and improves the convenience of the equipment.

[0017] (4) With the independent upper and lower cabinet doors and observation window, the internal cell storage can be observed without frequently opening the cabinet door, further reducing the loss of cold air and maintaining the stability of the low temperature environment;

[0018] (5) This utility model separates the upper and lower storage chambers by sealing baffles and combines independent gas and nitrogen pipes and valves to realize sample partition storage with different temperature requirements and improve gas and nitrogen utilization efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is the front view of this utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of this utility model;

[0022] Figure 4 This is a front view of the test tube placement rack in this utility model;

[0023] Figure 5 This is a schematic diagram of the test tube placement rack in this utility model;

[0024] Figure 6 yes Figure 1 Enlarged view of point A in the middle.

[0025] Reference numerals: 1-Cabinet body; 2-Support plate; 3-Cabinet door; 4-Sealing baffle; 5-Upper storage compartment; 6-Lower storage compartment; 7-Partition; 8-Storage compartment; 9-Test tube rack; 10-Test tube; 11-Nitrogen delivery pipe; 12-Nitrogen branch pipe; 13-Valve; 14-Hinge; 15-Lock assembly; 16-Wrench; 17-Limiting plate; 18-Clamping plate; 19-Clamping groove; 20-Buffer pad; 21-Handle; 22-Observation window; 23-Base plate; 24-Supporting base plate; 25-Supporting top plate; 26-First fixing rod; 27-Second fixing rod; 28-Test tube placement slot; 29-Test tube clamping slot; 30-Notch; 31-Mounting plate; 32-Limiting post. Detailed Implementation

[0026] The technical solution of this utility model will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings. It should be understood that the implementation of this utility model is not limited to the following embodiments, and any modifications and / or alterations made to this utility model will fall within the protection scope of this utility model.

[0027] Example 1:

[0028] like Figure 1 , 3As shown, this utility model discloses a technical solution: a cell storage low-temperature device, including a rectangular cabinet 1 with a front opening. A horizontal support plate 2 is fixedly installed in the middle of the front side of the cabinet 1 by bolts. Cabinet doors 3, which are fastened to the front opening of the cabinet 1, are movably connected to the upper and lower parts of the support plate 2. The other side of the cabinet door 3 is connected to the side wall of the cabinet 1 by a locking assembly 15. By setting two cabinet doors 3, the upper or lower cabinet door 3 can be opened separately according to actual usage needs to reduce the loss of cold air.

[0029] A horizontally arranged sealing baffle 4 is installed in the middle of the cabinet 1, which divides the cabinet 1 into an upper storage room 5 and a lower storage room 6. Both the upper storage room 5 and the lower storage room 6 are equipped with multiple vertically arranged partitions 7, which divide the upper storage room 5 and the lower storage room 6 into multiple storage compartments 8. Each storage compartment 8 is equipped with a test tube rack 9 for placing test tubes 10. The reasonable division of storage space facilitates the classified storage of different cells.

[0030] The cabinet 1 is also equipped with a nitrogen supply pipe 11 that penetrates the sealing baffle 4. The nitrogen supply pipe 11 is connected to two nitrogen branch pipes 12 corresponding to the upper storage chamber 5 and the lower storage chamber 6. Valves 13 are installed on the nitrogen branch pipes 12. By controlling the valves 13, the nitrogen supply to the upper and lower storage chambers can be adjusted respectively to ensure a stable low-temperature environment. In this embodiment, there are two nitrogen supply pipes 11 on the left and right to avoid cold air dead zones. One end of the nitrogen supply pipe 11 is open and the other end is closed. The open end passes through the rear wall of the cabinet 1 and is connected to the nitrogen storage tank. Temperature sensors are installed in both the upper storage chamber 5 and the lower storage chamber 6 inside the cabinet 1. This application is equipped with a PLC controller. Safety valves are connected to the rear walls of the upper storage chamber 5 and the lower storage chamber 6 to release pressure when the internal pressure of the cabinet 1 is too high.

[0031] Example 2:

[0032] like Figure 1 , 2 As shown, this utility model discloses another technical solution, a cell storage low temperature device, which differs from embodiment 1 in that one side of the cabinet door 3 is rotatably connected to the support plate 2 through a hinge 14, which facilitates the opening and closing of the cabinet door 3.

[0033] Specifically, such as Figure 6As shown, the locking assembly 15 is provided with multiple sets along the length of the cabinet 1, each including a wrench 16 installed at the edge of the cabinet door 3 and a limiting plate 17 at the opening of the cabinet 1. The wrench 16 is rotatably connected to the cabinet door 3 via a pivot, and a locking plate 18 is integrally provided on one side of the wrench 16. A locking groove 19 is formed between the limiting plate 17 and the side wall of the cabinet 1. During the rotation of the wrench 16, the locking plate 18 can be locked into the locking groove 19 to lock the cabinet door 3. At the same time, a buffer pad 20 is adhered to the inner side wall of the limiting plate 17 to ensure the locking effect of the locking assembly 15 and the sealing performance when the cabinet door 3 is closed.

[0034] Specifically, multiple handles 21 are bolted to the side of the cabinet door 3 near the latch assembly 15 for easy opening, and a transparent observation window 22 is embedded in the cabinet door 3 to observe the internal situation without opening the cabinet door 3.

[0035] Example 3:

[0036] like Figure 4 , 5 As shown, this utility model discloses another technical solution, a cell storage low-temperature device, which differs from Embodiment 1 in that the test tube rack 9 includes a base plate 23, a supporting base plate 24, and a supporting top plate 25. The base plate 23 is fixedly installed at the bottom of the storage compartment 8 by bolts. The upper surface of the base plate 23 is rotatably connected to the supporting base plate 24 by a first fixing rod 26. The upper surface of the supporting base plate 24 is fixedly connected to the supporting top plate 25 by multiple second fixing rods 27 in the middle. The supporting base plate 24 and the supporting top plate 25 are coaxially arranged. Multiple test tube placement slots 28 are evenly circumferentially formed along the axis of the upper surface edge of 4. In this embodiment, twelve sets of test tube placement slots 28 are provided. Multiple test tube slots 29 corresponding one-to-one with the test tube placement slots 28 are provided through the supporting top plate 25. The side wall of the test tube 10 is inserted into the test tube slot 29, and the bottom of the test tube 10 is placed in the test tube placement slot 28, which facilitates the placement and fixation of the test tube. In this embodiment, rubber gaskets are glued to the inner side wall of the test tube slot 29 and the inner wall of the test tube placement slot 28 to ensure the stability of the test tube placement.

[0037] Specifically, the side wall of the support base plate 24 is provided with an arc-shaped notch 30 corresponding to the test tube placement groove 28. A mounting plate 31 is fixedly provided on one side of the upper surface of the base plate 23. A limiting post 32 that cooperates with the notch 30 is inserted into the upper surface of the mounting plate 31. The support base plate 24 is fixed on the base plate 23 by the limiting post 32 that abuts against the inner wall of the notch 30. The angle of the support base plate 24 can be adjusted as needed.

[0038] In this application, valve 13, temperature sensor and safety valve are all electrically connected to and controlled by the controller. The structure, principle and circuit connection method of the above electrical components are not within the protection scope of this application, and can be derived by those skilled in the art through conventional means, so they will not be described here.

[0039] This utility model provides a cell storage cryogenic device. When cell storage is required, the corresponding cabinet door 3 is opened. For example, if cells are to be stored in the upper storage chamber 5, the upper cabinet door is opened and the door is pulled by the handle 21, causing the door to rotate around the hinge 14 to open. Then, the test tubes 10 containing cells are placed on the test tube rack 9. The bottom of the test tubes 10 passes through the test tube slot 29 and abuts against the test tube placement slot 28, achieving stable placement of the test tubes. If it is necessary to place test tubes in other positions or adjust the position of the test tubes, the limiting post 32 can be pulled out from the notch 30, and the supporting base plate 24 can be rotated to a suitable angle. Then, the limiting post 32 is inserted into the corresponding notch 30 for fixation; after the test tubes are placed, the cabinet door 3 is closed, and the wrench 16 is turned so that the clamping plate 18 is inserted into the clamping groove 19 formed by the limiting plate 17 and the side wall of the cabinet body 1, thus completing the sealing and closing of the cabinet door; the gaseous nitrogen in the gaseous nitrogen storage tank enters the equipment through the gaseous nitrogen delivery pipe 11, and the valve 13 of the corresponding storage chamber is opened, and the gaseous nitrogen enters the upper storage chamber 5 or the lower storage chamber 6 through the gaseous nitrogen branch pipe 12 to provide a low temperature environment for cell storage; the operator can observe the storage status of the cells inside the cabinet at any time through the observation window 22 without having to frequently open the cabinet door, thus reducing the loss of cold air.

[0040] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A cell storage cryogenic apparatus comprising a cabinet (1) having an open front side, characterized in that: The front side middle part of the cabinet body (1) is provided with a support plate (2), the upper part and the lower part of the support plate (2) are movably connected with cabinet doors (3) buckled at the opening of the front side of the cabinet body (1); a horizontally arranged sealing baffle (4) is installed in the cabinet body (1), and the cabinet body (1) is divided into an upper storage chamber (5) and a lower storage chamber (6) by the sealing baffle (4); a plurality of vertically arranged partition plates (7) are arranged in the upper storage chamber (5) and the lower storage chamber (6), and the upper storage chamber (5) and the lower storage chamber (6) are divided into a plurality of storage compartments (8) by the partition plates (7); a test tube rack (9) for placing test tubes (10) is installed in each of the storage compartments (8); a nitrogen gas delivery pipe (11) penetrating through the sealing baffle (4) is further installed in the cabinet body (1), two nitrogen gas branch pipes (12) corresponding to the upper storage chamber (5) and the lower storage chamber (6) are communicated on the nitrogen gas delivery pipe (11), and a valve (13) is installed on the nitrogen gas branch pipes (12).

2. A cell storage cryogenic apparatus according to claim 1, wherein: One side of the cabinet door (3) is rotatably connected between the support plate (2) and the hinge (14), and the other side of the cabinet door (3) is connected between the side wall of the cabinet body (1) and the lock catch assembly (15).

3. A cell storage cryogenic apparatus according to claim 2, wherein: The lock catch assembly (15) comprises a wrench (16) installed at the edge of the cabinet door (3) and a limiting plate (17) at the opening of the cabinet body (1), the wrench (16) is rotatably connected to the cabinet door (3), one side of the wrench (16) is provided with a clamping plate (18), a clamping groove (19) is formed between the limiting plate (17) and the side wall of the cabinet body (1), during the rotation of the wrench (16), the clamping plate (18) can be clamped in the clamping groove (19), and the inner side wall of the limiting plate (17) is provided with a buffer pad (20).

4. A cell storage cryogenic apparatus according to claim 3, wherein: A handle (21) is arranged on one side of the cabinet door (3) close to the lock catch assembly (15), and a transparent observation window (22) is embedded on the cabinet door (3).

5. A cell storage cryogenic apparatus according to claim 1, wherein: The test tube rack (9) comprises a bottom plate (23), a support base plate (24) and a support top plate (25), the upper surface of the bottom plate (23) is rotatably connected with the support base plate (24) through a first fixing rod (26), the upper surface of the support base plate (24) is fixedly connected with the support top plate (25) through a second fixing rod (27), a plurality of test tube placing grooves (28) are evenly circumferentially arranged on the upper surface edge of the support base plate (24) along the axis thereof, a plurality of test tube clamping grooves (29) corresponding to the test tube placing grooves (28) are penetratingly arranged on the support top plate (25), the sidewall of the test tube (10) is inserted into the test tube clamping groove (29), and the bottom of the test tube (10) is placed in the test tube placing groove (28).

6. A cell storage cryogenic apparatus as claimed in claim 5, wherein: The side wall of the support substrate (24) is provided with a notch (30) corresponding to the test tube placing groove (28), the upper surface of the bottom plate (23) is provided with a mounting plate (31), the upper surface of the mounting plate (31) is provided with a limiting column (32) matched with the notch (30), and the support substrate (24) is fixed on the bottom plate (23) through the limiting column (32) abutting against the inner wall of the notch (30).

7. A cell storage cryogenic apparatus as claimed in claim 1, wherein: The gas nitrogen delivery pipe (11) is open at one end and closed at the other end, and the open end is connected with the gas nitrogen storage tank after penetrating through the side wall of the cabinet body (1).

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