Liquid nitrogen storage device convenient to disinfect

Abstract

The utility model discloses a liquid nitrogen storage device convenient to disinfect, and relates to the technical field of liquid nitrogen containers, the liquid nitrogen storage device convenient to disinfect comprises a liquid nitrogen container shell, an inner container is arranged in the liquid nitrogen container shell, the liquid nitrogen container shell is fixedly connected with the inner container through a neck tube, and a heat insulator is arranged between the liquid nitrogen container shell and the inner container. A lock cover is hinged to the upper end of the liquid nitrogen container shell, a cryopreservation mechanism and a disinfection component are arranged in the inner container, a detection module is arranged in the inner container, a supplementing component is arranged at the outer end of the liquid nitrogen container shell, and a moving unit convenient to move is arranged at the lower end of the liquid nitrogen container shell. Biological samples are conveniently stored through the cryopreservation mechanism, and ultraviolet rays of the disinfection mechanism are used for fully sterilizing and disinfecting; through the temperature sensor and the pressure detection head, the temperature in the tank and the liquid level height of the liquid nitrogen are detected at any time and are visually displayed through the touch screen, and when the content of the liquid nitrogen is small, the supplementing component can automatically add the liquid nitrogen and control the content of the liquid nitrogen at any time, so that the stability of a biological sample during preservation is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid nitrogen tank technical field, specifically a kind of liquid nitrogen storage device of disinfecting conveniently. BACKGROUND

[0002] At present, in the field of biological research and clinical treatment, related users use gas phase liquid nitrogen biological storage tank to preserve biological samples, especially in the umbilical cord blood bank, various stem cell banks and immune cell banks, which must use this equipment to ensure the safe preservation of cells.

[0003] The patent with the patent announcement number CN213756440U discloses a tumor stereoscopic tissue preservation device, which comprises a box body and a base, the bottom end of the box body is provided with the base, the top end of the base is provided with a liquid nitrogen storage interlayer, the inside of the base is provided with a rotary motor, the output end of the rotary motor is connected with a threaded rod, the threaded rod is provided with a sliding seat in a threaded manner, the sliding seat is slidably connected with the inner wall of the box body, the sliding seat is fixedly provided with a placing box, a plurality of placing grooves are formed in the placing box, and a preservation tube is arranged in each placing groove; the box body is composed of a temperature insulation layer and an inner layer, the inner layer is provided with second liquid nitrogen, an ultraviolet disinfection lamp is arranged on the inner wall of the box body, a protective cover is arranged on the outer side of the ultraviolet disinfection lamp, and the ultraviolet disinfection lamp emits ultraviolet rays to sterilize the inside of the box body to prevent bacterial growth. The utility model can prevent bacterial growth, has good preservation effect, and prevents damage to the tumor stereoscopic tissue.

[0004] However, the prior art has the following defects: liquid nitrogen needs to be added manually, and the amount of liquid nitrogen added cannot be controlled. When liquid nitrogen is added, it is easy to be in contact with air and boil to cause splashing, which causes different degrees of damage to the equipment or human body.

[0005] Therefore, the present application provides a liquid nitrogen storage device that is convenient to disinfect, which can eliminate the disadvantages of the prior art. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a liquid nitrogen storage device that is convenient to disinfect to solve the problems in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A liquid nitrogen storage device that is convenient to disinfect, comprising a liquid nitrogen tank shell, an inner container is arranged inside the liquid nitrogen tank shell, the liquid nitrogen tank shell and the inner container are fixedly connected through a neck pipe, an insulator is arranged between the liquid nitrogen tank shell and the inner container, a lock cover is hingedly connected to the upper end of the liquid nitrogen tank shell, a freeze storage mechanism for convenient storage is arranged inside the inner container, a disinfection component for preventing pollution is arranged inside the inner container, a detection module for monitoring the content of liquid nitrogen is arranged in the inner container, a replenishment component for automatically replenishing liquid nitrogen is arranged at the outer end of the liquid nitrogen tank shell, and a moving unit for convenient movement is arranged at the lower end of the liquid nitrogen tank shell.

[0009] On the basis of the above technical solutions, the utility model further provides the following optional technical solutions.

[0010] In an alternative, the freeze storage mechanism includes six storage racks, six storage racks are located inside the inner container, the upper end of six storage racks is fixedly connected to one end of the hook, the other end of six hooks is connected to the corresponding groove on the outer shell of the liquid nitrogen tank through the neck pipe, the storage rack is slidably connected with a latch, and the latch penetrates the storage rack.

[0011] In an alternative, the disinfection component includes a plurality of disinfection fixing frames, a plurality of disinfection fixing frames are fixedly connected to the inner wall of the inner container, and an ultraviolet lamp is fixedly connected to the disinfection fixing frame.

[0012] In an alternative, the moving unit includes four fixing blocks, four fixing blocks are fixedly connected to the lower end of the outer shell of the liquid nitrogen tank, and universal wheels are fixedly connected to the lower end of the fixing block.

[0013] In an alternative, the detection module includes a pressure detection head, the pressure detection head is located at the bottom of the inner container, the pressure detection head is linearly connected to the controller through a wire, the controller is fixedly connected to the outer wall of the outer shell of the liquid nitrogen tank, a display rack is fixedly connected to the controller, a touch screen is fixedly connected to the upper end of the display rack, the touch screen is electrically connected to the controller, a temperature sensor is fixedly connected to the inner wall of the inner container, and the temperature sensor is linearly connected to the controller.

[0014] In an alternative, the supplement component includes a supplement tank, the liquid outlet of the supplement tank is fixedly connected to the liquid inlet of an adding pump, the liquid outlet of the adding pump is fixedly connected to the inner container through a heat preservation pipe, an electromagnetic valve is arranged on the heat preservation pipe, and the electromagnetic valve and the adding pump are electrically connected to the controller.

[0015] In an alternative, a sealing plug is arranged in the neck pipe, and the sealing plug is in close contact with the inner wall of the neck pipe.

[0016] In an alternative, the six storage racks are uniformly arranged inside the inner container.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model discloses a convenient biological sample is saved through freeze storage mechanism, through the full ultraviolet sterilization of disinfecting mechanism, prevent the bacteria breeding, and through temperature sensor and pressure detection head, the temperature and the liquid level of liquid nitrogen in jar are checked constantly, show through touch -sensitive screen, and it is direct and obvious, and convenient staff operation, when the content of liquid nitrogen is less, and the supplementary component can add liquid nitrogen automatically, the content of liquid nitrogen is controlled constantly, guarantees the stability when biological sample is saved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic drawing of the utility model.

[0020] Figure 2 It is the sectional view of the utility model.

[0021] Figure 3 It is the structure schematic drawing of freeze storage mechanism.

[0022] Mark annotation: 100, liquid nitrogen tank shell, 101, inner bag, 102, neck pipe, 103, heat insulator, 104, lock cover, 201, storage rack, 202, hook, 203, bolt, 301, disinfecting fixed support, 302, ultraviolet lamp, 401, fixed block, 402, universal wheel, 501, pressure detection head, 502, controller, 503, display stand, 504, touch -sensitive screen, 505, temperature sensor, 601, supplementary jar, 602, adding pump, 603, heat preservation pipe, 604, electromagnetic valve, 700, sealing plug. DETAILED DESCRIPTION

[0023] In order to make the utility model's purpose, technical scheme and advantage more clear and obvious, the following combines the drawing and example, and this utility model is further detailed.

[0024] In one embodiment, as Figures 1-3As shown, a kind of liquid nitrogen storage device of convenient disinfection includes: liquid nitrogen tank shell 100, the inner container 101 is equipped inside the liquid nitrogen tank shell 100, the liquid nitrogen tank shell 100 is fixedly connected with inner container 101 by neck pipe 102, the inner container 101 between the liquid nitrogen tank shell 100 is equipped with heat insulator 103, the upper end of the liquid nitrogen tank shell 100 is hinged with lock cover 104, the inner container 101 is equipped with the freeze storage mechanism of convenient storage inside, the inner container 101 is equipped with the disinfection component of preventing pollution inside, the inner container 101 is equipped with the detection module monitoring the content of liquid nitrogen, the lower end of the liquid nitrogen tank shell 100 is equipped with the mobile unit of convenient movement, liquid nitrogen is added in inner container 101, the heat insulator 103 between the liquid nitrogen tank shell 100 and inner container 101 carries out heat preservation to the liquid nitrogen of inner container 101, increases the liquid nitrogen storage time, biological sample is placed in inner container 101 by freeze storage mechanism, biological sample is frozen and preserved, disinfection mechanism is disinfected to biological sample, detection module monitors the content of liquid nitrogen, prevents liquid nitrogen to be less, influences temperature, and is moved to the device by mobile unit conveniently.

[0025] In the embodiment, as shown in the figure, Figure 3 The freeze storage mechanism includes six storage racks 201, six storage racks 201 are located inside the inner container 101, one end of the six storage racks 201 is fixedly connected with the hook 202, the other end of the six hooks 202 is connected with the groove at the tank opening of the liquid nitrogen tank shell 100 through the neck pipe 102, the storage rack 201 is slidably connected with the latch 203, the latch 203 penetrates the storage rack 201, biological samples are placed on the storage rack 201, the biological samples are fixedly positioned by the latch 203, to prevent the biological samples from falling out of the storage rack 201, the hook 202 is hung inside the inner container 101, one end of the hook 202 is located at the tank opening, to facilitate retrieval.

[0026] In one embodiment, as shown in the figure, Figure 2 The disinfection component includes a plurality of disinfection fixing frames 301, a plurality of disinfection fixing frames 301 are fixedly connected to the inner wall of the inner container 101, an ultraviolet lamp 302 is fixedly connected to the disinfection fixing frame 301, the biological samples are irradiated by the ultraviolet lamp 302, the disinfection is carried out at multiple angles to prevent bacterial growth.

[0027] In one embodiment, as shown in the figure, Figure 1 The mobile unit includes four fixed blocks 401, four fixed blocks 401 are fixedly connected to the lower end of the liquid nitrogen tank shell 100, universal wheels 402 are fixedly connected to the lower end of the fixed block 401, the device is moved to a suitable position by the universal wheels 402, to facilitate the use of staff.

[0028] In one embodiment, as shown in the figure, Figure 1 AndFigure 2 As shown, the detection module includes a pressure detection head 501, which is located at the bottom of the inner container 101, and is linearly connected with a controller 502 through a wire, the controller 502 is fixedly connected on the outer wall of the liquid nitrogen tank shell 100, a display rack 503 is fixedly connected on the controller 502, a touch screen 504 is fixedly connected on the upper end of the display rack 503, the touch screen 504 is electrically connected with the controller 502, a temperature sensor 600 is fixedly connected on the inner wall of the inner container 101, and is linearly connected with the controller 502, the pressure detection head 501 detects the pressure of different liquid levels, so as to detect the height of the liquid level at any time, the pressure detection head 501 transmits information to the controller 502, the temperature sensor 600 detects the temperature change in the inner container 101, detects whether the temperature is too high, and the touch screen 504 displays the height of the liquid level and the temperature change, which is intuitive and obvious, and convenient for the staff to operate.

[0029] In one embodiment, as shown in Figure 1 As shown, the supplementing member includes a supplementing tank 601, the liquid outlet of the supplementing tank 601 is fixedly connected with the liquid inlet of an adding pump 602, the liquid outlet of the adding pump 602 is fixedly connected with the inner container 101 through a heat preservation pipe 603, an electromagnetic valve 604 is arranged on the heat preservation pipe 603, and the electromagnetic valve 604 and the adding pump 602 are electrically connected with the controller 502, the pressure detection head 501 detects the height of the liquid level, when the liquid level is low, the controller 502 controls the electromagnetic valve 604 to open, and the adding pump 602 supplements the liquid nitrogen in the supplementing tank 601 into the inner container 101, and the pressure detection head 501 detects the height of the liquid level again, when the liquid level reaches a fixed value, the electromagnetic valve 604 and the adding pump 602 are closed, and the adding is stopped.

[0030] In one embodiment, as shown in Figure 2 As shown, a sealing plug 700 is arranged in the neck pipe 102, and there is a gap between the sealing plug 700 and the inner wall of the neck pipe 102, so that the inner container 101 is sealed and the evaporation of the liquid nitrogen is reduced.

[0031] In one embodiment, as shown in Figure 2 As shown, six storage racks 201 are uniformly arranged in the inner container 101, and multi-angle uniform irradiation is achieved to prevent bacteria from breeding comprehensively.

[0032] The above-mentioned embodiment discloses a liquid nitrogen storage device convenient for disinfection, wherein liquid nitrogen is added into the inner container 101, the heat insulator 103 between the liquid nitrogen tank shell 100 and the inner container 101 keeps the liquid nitrogen in the inner container 101, thereby increasing the liquid nitrogen storage time, the biological sample is placed on the storage rack 201, the biological sample is fixed and limited by the bolt 203, so that the biological sample is prevented from falling out of the storage rack 201, the hook 202 is hung in the inner container 101, one end of the hook 202 is located at the tank opening, so that the biological sample is convenient to take, the sealing plug 700 is placed in the neck pipe 102, so that the evaporation of the liquid nitrogen is reduced, the biological sample is irradiated by the ultraviolet lamp 302, multi-angle sterilization and disinfection are realized, bacteria breeding is prevented, the pressure detection head 501 detects the pressure of different liquid levels, so that the height of the liquid level is detected at any time, the pressure detection head 501 transmits information to the controller 502, and the information is displayed on the touch screen 504, so that the staff can intuitively and obviously operate, the pressure detection head 501 detects the height of the liquid level, when the liquid level is low, the controller 502 controls the electromagnetic valve 604 to open, the adding pump 602 adds the liquid nitrogen in the supplement tank 601 into the inner container 101, the pressure detection head 501 detects the height of the liquid level again, when the liquid level reaches a fixed value, the electromagnetic valve 604 and the adding pump 602 are closed, and the adding is stopped, the universal wheel 402 is convenient for moving the device to a suitable position, and the staff can use the device conveniently.

[0033] The above-mentioned embodiment discloses a liquid nitrogen storage device convenient for disinfection, wherein liquid nitrogen is added into the inner container 101, the heat insulator 103 between the liquid nitrogen tank shell 100 and the inner container 101 keeps the liquid nitrogen in the inner container 101, thereby increasing the liquid nitrogen storage time, the biological sample is placed on the storage rack 201, the biological sample is fixed and limited by the bolt 203, so that the biological sample is prevented from falling out of the storage rack 201, the hook 202 is hung in the inner container 101, one end of the hook 202 is located at the tank opening, so that the biological sample is convenient to take, the sealing plug 700 is placed in the neck pipe 102, so that the evaporation of the liquid nitrogen is reduced, the biological sample is irradiated by the ultraviolet lamp 302, multi-angle sterilization and disinfection are realized, bacteria breeding is prevented, the pressure detection head 501 detects the pressure of different liquid levels, so that the height of the liquid level is detected at any time, the pressure detection head 501 transmits information to the controller 502, and the information is displayed on the touch screen 504, so that the staff can intuitively and obviously operate, the pressure detection head 501 detects the height of the liquid level, when the liquid level is low, the controller 502 controls the electromagnetic valve 604 to open, the adding pump 602 adds the liquid nitrogen in the supplement tank 601 into the inner container 101, the pressure detection head 501 detects the height of the liquid level again, when the liquid level reaches a fixed value, the electromagnetic valve 604 and the adding pump 602 are closed, and the adding is stopped, the universal wheel 402 is convenient for moving the device to a suitable position, and the staff can use the device conveniently.

Claims

1. A liquid nitrogen storage device for easy disinfection, comprising a liquid nitrogen tank housing (100), characterized in that, The liquid nitrogen tank shell (100) is internally provided with an inner container (101), the liquid nitrogen tank shell (100) and the inner container (101) are fixedly connected through a neck pipe (102), an adiabatic body (103) is arranged between the liquid nitrogen tank shell (100) and the inner container (101), the upper end of the liquid nitrogen tank shell (100) is hingedly connected with a lock cover (104), the inner container (101) is internally provided with a cryopreservation mechanism facilitating storage, the inner container (101) is internally provided with a sterilization component preventing pollution, the inner container (101) is provided with a detection module monitoring the content of liquid nitrogen, the outer end of the liquid nitrogen tank shell (100) is provided with a supplementing component automatically supplementing liquid nitrogen, and the lower end of the liquid nitrogen tank shell (100) is provided with a moving unit facilitating movement.

2. The liquid nitrogen storage device of claim 1, wherein, The cryopreservation mechanism comprises six storage racks (201), the six storage racks (201) are located in the inner container (101), one end of the six storage racks (201) is fixedly connected with a hook (202), the other end of the six hooks (202) is connected with the liquid nitrogen tank shell (100) through the neck pipe (102) and is matchedly connected with a corresponding groove on the liquid nitrogen tank shell (100), and the storage rack (201) is slidably connected with a bolt (203).

3. The liquid nitrogen storage device of claim 1, wherein, The sterilization component comprises a plurality of sterilization fixing racks (301), the plurality of sterilization fixing racks (301) are fixedly connected to the inner wall of the inner container (101), and the sterilization fixing rack (301) is fixedly connected with an ultraviolet lamp (302).

4. The liquid nitrogen storage device of claim 1, wherein, The moving unit comprises four fixing blocks (401), the four fixing blocks (401) are fixedly connected to the lower end of the liquid nitrogen tank shell (100), and the lower end of the fixing block (401) is fixedly connected with a universal wheel (402).

5. The liquid nitrogen storage device of claim 1, wherein, The detection module comprises a pressure detection head (501), the pressure detection head (501) is located at the bottom of the inner container (101), the pressure detection head (501) is linearly connected with a controller (502) through wires, the controller (502) is fixedly connected to the outer wall of the liquid nitrogen tank shell (100), the controller (502) is fixedly connected with a display rack (503), the upper end of the display rack (503) is fixedly connected with a touch screen (504), the touch screen (504) is electrically connected with the controller (502), a temperature sensor (505) is fixedly connected to the inner wall of the inner container (101), and the temperature sensor (505) is linearly connected with the controller (502).

6. The liquid nitrogen storage device of claim 1, wherein, The supplementing component comprises a supplementing tank (601), the liquid outlet of the supplementing tank (601) is fixedly connected with the liquid inlet of an adding pump (602), the liquid outlet of the adding pump (602) is fixedly connected with the inner container (101) through a heat preservation pipe (603), the heat preservation pipe (603) is provided with a solenoid valve (604), and the solenoid valve (604) and the adding pump (602) are electrically connected with the controller (502).

7. The liquid nitrogen storage device of claim 1, wherein, The neck pipe (102) is provided with a sealing plug (700), and the sealing plug (700) is attached to the inner wall of the neck pipe (102).

8. The liquid nitrogen storage device of claim 2, wherein, Six storage racks (201) are evenly arranged in the inner container (101).

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