Cell preservation device capable of preventing cell pollution

Abstract

The utility model discloses a cell preservation device capable of preventing cell pollution, which comprises an equipment box, a thermal insulation transverse plate is transversely and fixedly connected in the equipment box, the thermal insulation transverse plate divides the interior of the equipment box into a liquid storage cavity and a storage cavity, a liquid nitrogen tank is arranged in the liquid storage cavity, the output end of the liquid nitrogen tank is communicated and connected with an eduction tube, one end of the eduction tube is fixedly connected with an electromagnetic control valve, and the other end of the eduction tube is fixedly connected with an electromagnetic valve. A lower cavity front plate is fixedly connected to one end of the storage cavity, a storage groove is formed in one end of the lower cavity front plate in a penetrating mode, a buffering arc plate is fixedly connected to the side, facing the interior, of the lower cavity front plate, a sterilization lamp is installed in the storage cavity, a storage box is inserted into the storage groove, and a sealing box plate is fixedly connected to one end of the storage box. The closed storage space formed by the lower cavity front plate and the storage cavity is favorable for reducing the leakage amount of liquid nitrogen when the door is opened and closed, and the buffer arc plate is arranged above the corresponding position of the storage groove, namely the top end of the storage box, so that direct impact of the liquid nitrogen discharged by the eduction tube above is blocked, and the influence of the buffer arc plate on the temperature and quality of cells is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cell preservation equipment technical field, specifically a cell preservation device that can prevent cell pollution. BACKGROUND

[0002] Cell preservation devices are important equipment for storing and transporting cells, and their design and function aim to ensure the survival rate and activity of cells during storage and transportation.

[0003] The existing Chinese patent document CN219422014U discloses a cell preservation device that can prevent cell pollution, which includes a host, a control panel fixedly installed on the top of the host, a gas storage tank fixedly installed on the bottom of the inner wall of the host, a number one conduit movably fixedly installed on the top of the gas storage tank, a liquid nitrogen tank fixedly installed on the bottom of the inner wall of the gas storage tank, a number two conduit fixedly installed on the top of the liquid nitrogen tank, and an electromagnetic valve fixedly installed on one end of the number one conduit. However, the cell preservation device still has the following problems: no buffer structure is provided between the liquid nitrogen discharge port and the storage chamber, and the released liquid nitrogen material directly rushes into the incubation chamber and the storage chamber, which easily causes short-time instantaneous accumulation in the cell storage chamber, resulting in excessively low local temperature of the cell storage structure and affecting the quality and viability of the cells. SUMMARY

[0004] The utility model aims at: in order to solve the above -mentioned cell preservation device its liquid nitrogen discharge port and the storage chamber between not setting the buffer structure, the liquid nitrogen material of release directly rushes into the incubation chamber and the storage chamber, easy to cause short -time instantaneous accumulation in the cell storage chamber causes the cell storage structure local temperature to be too low, the problem that the quality and the viability of cell are affected, provides a cell preservation device that can prevent cell pollution.

[0005] To achieve the above object, the utility model provides the following technical scheme: A cell preservation device capable of preventing cell pollution, comprising: a device box, the device box is internally horizontally fixed with a temperature insulation transverse plate, the temperature insulation transverse plate divides the device box into a liquid storage cavity and a storage cavity, the liquid storage cavity is internally provided with a liquid nitrogen tank, the liquid nitrogen tank output end is through connection with a lead-out pipe, the lead-out pipe one end is fixed with an electromagnetic control valve, the storage cavity one end is fixed with a lower cavity front plate, the lower cavity front plate one end is through and is provided with a storage groove, the lower cavity front plate towards inside one side is fixed with a buffer arc plate, the storage cavity is internally installed with a germicidal lamp, the storage groove is internally inserted with a storage box, the storage box one end is fixed with a sealed box plate, the device box one end is parallelly hinged with a liquid storage sealing door and a storage sealing door.

[0006] As a further scheme of the utility model: the lead-out pipe of the liquid nitrogen tank extends through the temperature insulation transverse plate into the storage cavity, and the number of the liquid nitrogen tank, the lead-out pipe and the electromagnetic control valve is all provided with several groups, which are evenly arranged in the liquid storage cavity.

[0007] As a further scheme of the utility model: the lower cavity front plate and the storage cavity form a closed storage space, the number of the storage groove is provided with several groups, which are evenly arranged at one end of the lower cavity front plate on a horizontal line.

[0008] As a further scheme of the utility model: the buffer arc plate is parallel to the box bottom and is fixed to the inside of the storage cavity and the side of the lower cavity front plate at both ends respectively, the number of the buffer arc plate and the storage groove is adapted to the position and is arranged above the corresponding position of the storage groove.

[0009] As a further scheme of the utility model: the number of the germicidal lamp is provided with two groups, which are symmetrically arranged at the top end of the storage cavity.

[0010] As a further scheme of the utility model: the storage box is provided as a cylindrical structure with an upper opening, and the opening is adapted to the position specification of the buffer arc plate, the thickness of the sealed box plate is adapted to the distance specification between the lower cavity front plate and the storage sealing door, and the sealed box plate is provided with a sealing rubber mat structure on the contact side of the lower cavity front plate.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The closed storage space formed by the lower cavity front plate and the storage cavity in the utility model is beneficial to reducing the leakage amount of liquid nitrogen when the door is opened and closed, the cell is placed by inserting the storage box into the storage groove, the buffer arc plate is arranged above the corresponding position of the storage groove, that is, the top end of the storage box, which blocks the direct impact of the upper lead-out pipe on the liquid nitrogen, and reduces the temperature and quality influence on the cell;

[0013] 2. Several groups of liquid nitrogen tanks are controlled by the control screen structure outside the equipment box through the cooperation of the discharge pipe and the electromagnetic control valve, liquid nitrogen is discharged to the storage cavity below the temperature insulation horizontal plate for low temperature treatment, the structure design of discharging liquid nitrogen from the top is more in line with the evaporation characteristics of liquid nitrogen, so that it is more easy to evenly fill the storage cavity. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Figure 1 is a schematic diagram of the overall structure of the cell preservation device according to the present application;

[0015] Figure 2 Figure 2 is a schematic diagram of the temperature insulation horizontal plate of the cell preservation device according to the present application;

[0016] Figure 3 Figure 3 is a schematic diagram of the storage box of the cell preservation device according to the present application;

[0017] Figure 4 Figure 4 is a schematic diagram of the buffer arc plate of the cell preservation device according to the present application.

[0018] In the figure: 1, equipment box; 2, temperature insulation horizontal plate; 3, liquid storage cavity; 4, storage cavity; 5, liquid nitrogen tank; 6, discharge pipe; 7, electromagnetic control valve; 8, lower cavity front plate; 9, storage tank; 10, buffer arc plate; 11, germicidal lamp; 12, storage box; 13, sealing box plate; 14, liquid storage sealing door; 15, storage sealing door. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] In the description of the utility model, it is necessary to explain that the orientation or positional relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or positional relation based on the orientation or positional relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it is necessary to explain that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The embodiments will be described below according to the overall structure of the utility model.

[0021] With reference to Figures 1 to 4 In the utility model embodiment, a cell preservation device capable of preventing cell pollution comprises: a device box 1, a heat insulation transverse plate 2 is transversely fixed inside the device box 1, the heat insulation transverse plate 2 divides the device box 1 into a liquid storage cavity 3 and a storage cavity 4, a liquid nitrogen tank 5 is arranged inside the liquid storage cavity 3, a discharge pipe 6 is connected to the output end of the liquid nitrogen tank 5, an electromagnetic control valve 7 is fixed to one end of the discharge pipe 6, a lower cavity front plate 8 is fixed to one end of the storage cavity 4, a storage groove 9 is formed in one end of the lower cavity front plate 8, a buffer arc plate 10 is fixed to the side of the lower cavity front plate 8 facing the inside, a sterilization lamp 11 is installed in the storage cavity 4, a storage box 12 is arranged in the storage groove 9, a sealing box plate 13 is fixed to one end of the storage box 12, and a liquid storage sealing door 14 and a storage sealing door 15 are hingedly connected to one end of the device box 1.

[0022] With reference to Figure 4 The discharge pipe 6 of the liquid nitrogen tank 5 extends through the heat insulation transverse plate 2 into the storage cavity 4, and the number of the liquid nitrogen tank 5, the discharge pipe 6 and the electromagnetic control valve 7 is arranged in several groups, which are evenly arranged inside the liquid storage cavity 3.

[0023] By adopting the above scheme: several groups of liquid nitrogen tanks 5 cooperate with the control screen structure arranged outside the device box 1 through the discharge pipe 6 and the electromagnetic control valve 7 to control the discharge of liquid nitrogen, and the storage cavity 4 below the heat insulation transverse plate 2 is subjected to low-temperature treatment, and the structure design of discharging liquid nitrogen from the upper part is more in line with the evaporation characteristics of liquid nitrogen than discharging from the lower part and the middle part, so that it is more easy to uniformly cover the storage cavity 4.

[0024] With reference toFigure 3 The lower cavity front plate 8 and the storage cavity 4 form a closed storage space, and the storage grooves 9 are evenly arranged on one end of the lower cavity front plate 8 on a horizontal line.

[0025] The above scheme has the advantages that the closed storage space formed by the lower cavity front plate 8 and the storage cavity 4 is beneficial to reducing the leakage amount of liquid nitrogen when the door is opened, and the cells are placed by inserting the storage box 12 into the storage groove 9.

[0026] Referring to Figure 3 and Figure 4 , the buffer arc plate 10 is parallel to the bottom of the box and is fixed to the inside of the storage cavity 4 and one side of the lower cavity front plate 8 at both ends, respectively, and the buffer arc plate 10 is arranged above the corresponding position of the storage groove 9.

[0027] The above scheme has the advantages that the buffer arc plate 10 is arranged above the corresponding position of the storage groove 9, that is, the top end of the storage box 12, to block the direct impact of the upper outlet pipe 6 on the liquid nitrogen, thereby reducing the temperature and quality impact on the cells.

[0028] Referring to Figure 4 , the two groups of sterilization lamps 11 are symmetrically arranged at the top end of the storage cavity 4.

[0029] The above scheme has the advantages that the two groups of sterilization lamps 11 symmetrically arranged at the top end of the storage cavity 4 sterilize and disinfect the cell storage space, thereby reducing cell pollution.

[0030] Referring to Figure 3 , the storage box 12 is arranged in a cylindrical structure with an open top, and the opening is adapted to the position specifications of the buffer arc plate 10, the thickness of the sealing box plate 13 is adapted to the distance specifications of the lower cavity front plate 8 and the storage sealing door 15, and the sealing box plate 13 is provided with a sealing rubber pad structure on the side in contact with the lower cavity front plate 8.

[0031] The above scheme has the advantages that the sealing box plate 13 is tightly attached to the lower cavity front plate 8 after the storage box 12 is inserted into the storage groove 9 and is sealed by the sealing rubber pad, and the thickness of the sealing box plate 13 is the same as the distance between the lower cavity front plate 8 and the storage sealing door 15, so as to automatically press the sealing box plate 13 after the storage sealing door 15 is closed, thereby providing a double sealing structure.

[0032] The utility model discloses a working principle is: if a plurality of groups liquid nitrogen tank 5 is through the export pipe 6 and electromagnetic control valve 7 cooperation equipment box 1 outside setting control screen structure control liquid nitrogen discharge, to the storage cavity 4 below heat insulation horizontal plate 2 carries out low temperature processing, the structure design of liquid nitrogen discharge from above is more in line with the evaporation characteristics of liquid nitrogen to discharge below and middle segment, makes it more easily even full storage cavity 4, the closed storage space of the lower chamber front plate 8 and storage cavity 4 is beneficial to reduce the leakage amount of liquid nitrogen when opening and closing door, by storage groove 9 inserts storage box 12 to place cell, the buffer arc plate 10 is set in the top of storage box 12 above the corresponding place of storage groove 9, blocks the direct impact of liquid nitrogen discharge pipe 6 above, reduces its temperature and quality influence to cell, two groups symmetrical setting in the inside top of storage cavity 4's germicidal lamp 11 carries out sterilization and disinfection to cell storage space, reduces cell pollution, after storage box 12 inserts storage groove 9, sealing box board 13 is close to the lower chamber front plate 8 and is sealed through sealing rubber pad, the same interval of sealing box board 13 thickness and lower chamber front plate 8 and storage sealing door 15 is convenient in storage sealing door 15 after closing automatic pressure tight sealing box board 13, provides double sealing structure.

[0033] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, carries out equivalent replacement or change, all should be covered in the protection scope of the utility model.

Claims

1. A cell preservation device that prevents cell contamination, characterized in that, include: The equipment box (1) has a horizontally fixed heat-insulating plate (2) inside. The heat-insulating plate (2) divides the inside of the equipment box (1) into a liquid storage chamber (3) and a storage chamber (4). A liquid nitrogen tank (5) is installed inside the liquid storage chamber (3). An outlet pipe (6) is connected through the outlet end of the liquid nitrogen tank (5). An electromagnetic control valve (7) is fixedly connected to one end of the outlet pipe (6). A lower chamber front plate (8) is fixedly connected to one end of the storage chamber (4). The lower cavity front plate (8) has a storage slot (9) through one end. A buffer arc plate (10) is fixed to the side of the lower cavity front plate (8) facing inward. A germicidal lamp (11) is installed inside the storage cavity (4). A storage box (12) is inserted inside the storage slot (9). A sealing box plate (13) is fixed to one end of the storage box (12). A liquid storage sealing door (14) and a storage sealing door (15) are hinged parallel to one end of the equipment box (1).

2. The cell preservation device for preventing cell contamination according to claim 1, characterized in that, The outlet pipe (6) of the liquid nitrogen tank (5) extends through the heat insulation plate (2) into the storage cavity (4), and the liquid nitrogen tank (5), outlet pipe (6) and electromagnetic control valve (7) are all provided in several sets, and are evenly arranged inside the liquid storage cavity (3).

3. The cell preservation device for preventing cell contamination according to claim 1, characterized in that, The lower cavity front plate (8) and the storage cavity (4) form a closed storage space. The number of storage slots (9) is set in several groups and is evenly arranged on a horizontal line at one end of the lower cavity front plate (8).

4. The cell preservation device for preventing cell contamination according to claim 1, characterized in that, The buffer arc plate (10) is parallel to the bottom of the box and its two ends are respectively fixed to the inside of the storage cavity (4) and one side of the front plate (8) of the lower cavity. The number and position of the buffer arc plate (10) are matched with those of the storage slots (9) and it is set above the corresponding position of the storage slots (9).

5. The cell preservation device for preventing cell contamination according to claim 1, characterized in that, The number of germicidal lamps (11) is set in two sets, which are symmetrically arranged at the top of the storage cavity (4).

6. The cell preservation device for preventing cell contamination according to claim 1, characterized in that, The storage box (12) is configured as a cylindrical structure with an opening on the upper side, and the opening is adapted to the position and specifications of the buffer arc plate (10). The thickness of the sealing box plate (13) is adapted to the spacing specifications between the lower cavity front plate (8) and the storage sealing door (15). A sealing gasket structure is provided on the contact side between the sealing box plate (13) and the lower cavity front plate (8).

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