Gas-phase liquid nitrogen biological sample storage tank

Abstract

The utility model discloses a gas-phase liquid nitrogen biological sample storage tank, which belongs to the technical field of biological sample storage and comprises a tank body component, a fixed plate component is mounted at the central position of the tank body component, a top cover component is mounted at the top of the tank body component, and an evaporator component is mounted at the bottom of the tank body component. Temperature detectors are installed at the positions, close to the upper portion, located below the top cover assembly and above the fixing plate assembly, of the tank body assembly, a gas exhaust pipe is installed at the position, located on one side of the top cover assembly, of the top of the tank body assembly, and a sterilizing and drying device is installed at the position, close to the edge, of one side of the tank body assembly; according to the storage tank, the sterilizing and drying device is arranged, so that a worker can sterilize and dry the interior of the tank body assembly to a certain extent through the cooperation of a sterilizing lamp, a silica gel drying agent and other structures when needed, the working requirements under different conditions are better met, and the working capacity of the storage tank is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to biological sample storage technical field, concretely relates to a gas phase liquid nitrogen biological sample storage tank. BACKGROUND

[0002] Biological sample usually refers to the body fluid, hair, muscle and some tissue organs (such as thymus, pancreas, liver, lung, brain, stomach, kidney, etc.) of animal (including human) and various microorganisms.

[0003] Chinese patent application number 202222357239.7 discloses a gas phase liquid nitrogen tank with protective structure, including tank body, the top of tank body is equipped with top cover, the inside of top cover is installed with installation pipe, the inside of tank body is installed with heat insulation layer, the inside of heat insulation layer is installed with inner bag, the utility model discloses a hole fixing plate is installed, when the staff places the sample from the neck pipe to the fixed hole inside the hole fixing plate, the sample top aperture is greater than the fixed hole aperture, so the sample is fixed by the fixed hole, when the outside collision occurs after the sample is fixed, the inside sample is fixed because of the fixed hole, so the shaking is small, which does not affect the storage of sample.

[0004] 1. The above-mentioned published patent cannot sterilize and dry the inside of the tank body when needed, which is difficult to meet the work needs in different situations, and thus reduces the working capacity of the gas phase liquid nitrogen tank; 2. The above-mentioned published patent cannot adjust the height of the tank body and other structures when needed, and is not convenient to move, which reduces the practicability of the gas phase liquid nitrogen tank. UTILITY MODEL CONTENTS

[0005] To solve the problems in the background art, the utility model provides a gas phase liquid nitrogen biological sample storage tank, which has high working capacity and strong practicability.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a gas phase liquid nitrogen biological sample storage tank, including tank body assembly, the central position of tank body assembly is equipped with fixed plate assembly, the top of tank body assembly is equipped with top cover assembly, the bottom of tank body assembly is equipped with evaporator assembly, the upper position of tank body assembly and the position below top cover assembly and above fixed plate assembly are equipped with temperature detector, the top of tank body assembly and the position on one side of top cover assembly are equipped with gas exhaust pipe, the edge position of one side of tank body assembly is equipped with sterilization and drying device, the position below tank body assembly and outside evaporator assembly is equipped with lifting movement device.

[0007] Preferably, the sterilization drying device comprises a fixed tube, a fixed net, a sterilization lamp, a connecting block and a sealing assembly, two fixed tubes are installed at the edge position of one side of the tank body assembly, the connecting block is installed at the outer side of the two fixed tubes and at the position of one side of the tank body assembly, the fixed net is installed at the side of the fixed tube away from the connecting block, the sterilization lamp is installed at the side of the fixed net away from the fixed tube, and the outer side of the connecting block is provided with the sealing assembly.

[0008] Preferably, the sterilization drying device further comprises silica gel desiccant, and the inner side of the fixed tube is filled with the silica gel desiccant.

[0009] Preferably, the sealing assembly comprises heat preservation cotton, spring pins and a sealing sleeve, the outer side of the connecting block is provided with the sealing sleeve, the sidewall of the sealing sleeve is filled with the heat preservation cotton, and the top and bottom of the sealing sleeve are both provided with the spring pins.

[0010] Preferably, the lifting moving device comprises a base frame, screw holes, screws and vertical plates, the lower side of the tank body assembly and at the position of both sides of the evaporator assembly are both provided with the vertical plates, the outer side of the two vertical plates is provided with the base frame, the top of the base frame is provided with the two screws through screw threads, and the two sides of the two vertical plates away from each other are both provided with a plurality of screw holes.

[0011] Preferably, the lifting moving device further comprises brake wheels, and the lower side of the base frame is provided with a plurality of brake wheels.

[0012] Compared with the prior art, the sterilization drying device has the advantages that:

[0013] 1、The sterilization drying device can be used for sterilization and drying treatment of the inside of the tank body assembly when needed, so as to better meet the work needs in different situations and improve the working capacity of the storage tank.

[0014] 2、The lifting moving device can be used for adjusting the height of the tank body assembly and other structures when needed, so as to better meet the work needs in different situations, and the position of the storage tank can be moved by the brake wheels when needed, thereby improving the practicability of the storage tank. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the utility model;

[0016] Figure 2 It is a perspective cutaway view of the utility model;

[0017] Figure 3 It is a perspective cutaway view of the sterilization drying device of the utility model;

[0018] Figure 4 Figure 3 is a perspective view of the lifting moving device of the utility model.

[0019] In the figure: 1, tank body assembly; 2, temperature detector; 3, top cover assembly; 4, gas discharge pipe; 5, sterilization drying device; 51, fixed pipe; 52, fixed net; 53, sterilization lamp; 54, silica gel desiccant; 55, connecting block; 56, closing assembly; 561, heat preservation cotton; 562, spring pin; 563, closing sleeve; 6, fixed plate assembly; 7, evaporator assembly; 8, lifting moving device; 81, bottom frame; 82, brake wheel; 83, screw hole; 84, screw; 85, vertical plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] Embodiment 1

[0022] Please refer to Figures 1-4 The utility model provides the following technical scheme: a gaseous phase liquid nitrogen biological sample storage tank, including tank body assembly 1, the fixed plate assembly 6 is installed to the central position of tank body assembly 1, the top cover assembly 3 is installed to the top of tank body assembly 1, the evaporator assembly 7 is installed to the bottom of tank body assembly 1, the temperature detector 2 is installed to the upper position of tank body assembly 1 and is located in the oblique lower side of top cover assembly 3 and the upper position of fixed plate assembly 6, the gas discharge pipe 4 is installed to the top of tank body assembly 1 and is located in the position of one side of top cover assembly 3, the sterilization drying device 5 is installed to the edge position of one side of tank body assembly 1, the lifting moving device 8 is installed to the lower side of tank body assembly 1 and is located in the outer side of evaporator assembly 7.

[0023] Specifically, the sterilization drying device 5 includes fixed pipe 51, fixed net 52, sterilization lamp 53, connecting block 55 and closing assembly 56, two fixed pipes 51 are installed to the edge position of one side of tank body assembly 1, connecting block 55 is installed to the outer side of two fixed pipes 51 and is located in the position of one side of tank body assembly 1, fixed net 52 is installed to the side of fixed pipe 51 away from connecting block 55, sterilization lamp 53 is installed to the side of fixed net 52 away from fixed pipe 51, and closing assembly 56 is arranged on the outer side of connecting block 55.

[0024] Through the above technical scheme, the staff can perform certain sterilization treatment on the inside of the tank body assembly 1 through the cooperation of the sterilization lamp 53 and the like when needed, so as to better meet the work needs in different situations.

[0025] Specifically, the sterilization and drying device 5 further comprises silica gel desiccant 54, and the inside of the fixed tube 51 is filled with the silica gel desiccant 54.

[0026] Through the above technical scheme, the staff can perform certain drying treatment on the inside of the tank body assembly 1 through the cooperation of the silica gel desiccant 54 and the like when needed, so as to better meet the work needs in different situations.

[0027] Specifically, the sealing assembly 56 comprises heat insulation cotton 561, spring pins 562 and a sealing sleeve 563, the outside of the connecting block 55 is provided with the sealing sleeve 563, the sidewall of the sealing sleeve 563 is filled with the heat insulation cotton 561, and the top and bottom of the sealing sleeve 563 are both installed with the spring pins 562.

[0028] Through the above technical scheme, the staff can seal the two fixed tubes 51 through the sealing sleeve 563 when needed, and can reduce the possibility that the temperature inside the tank body assembly 1 is adversely affected through the heat insulation cotton 561.

[0029] When the storage tank is needed to be used to store biological samples, the staff can operate the two spring pins 562 in the sealing assembly 56 of the sterilization and drying device 5 in advance if needed, then remove the sealing sleeve 563, put enough silica gel desiccant 54 into the two fixed tubes 51, install the sealing sleeve 563 back on the connecting block 55 through the spring pins 562, then start the two sterilization lamps 53 to sterilize the inside of the tank body assembly 1, and the moisture in the tank body assembly 1 will gradually pass through the two fixed nets 52 and be absorbed by the silica gel desiccant 54, so as to dry the inside of the tank body assembly 1, if the storage of biological samples is not allowed, the staff can turn off the two sterilization lamps 53 and take out the silica gel desiccant 54, then open the top cover assembly 3, place the biological samples on the fixed plate assembly 6, close the top cover assembly 3, send the liquid nitrogen into the evaporator assembly 7, the evaporator assembly 7 changes it into gas and sends it into the tank body assembly 1 to cool, so as to store the biological samples, the gas exhaust pipe 4 plays a role of exhausting nitrogen gas when needed, the temperature detector 2 can detect the temperature, and the heat insulation cotton 561 can reduce the possibility that the temperature inside the tank body assembly 1 is adversely affected.

[0030] Embodiment 2

[0031] The embodiment differs from embodiment 1 in that the lifting moving device 8 comprises a chassis 81, threaded holes 83, screws 84 and vertical plates 85, the vertical plates 85 are installed below the tank body assembly 1 and on both sides of the evaporator assembly 7, the outer sides of the two vertical plates 85 are provided with the chassis 81, the top of the chassis 81 is provided with the two screws 84 through threaded installation, and a plurality of threaded holes 83 are formed on both sides of the two vertical plates 85 away from each other.

[0032] By adopting the above technical scheme, the height of the tank body assembly 1 and the like can be adjusted by the cooperation of the chassis 81 and the vertical plate 85 and the like when needed, so that the working needs in different situations can be better met.

[0033] Specifically, the lifting moving device 8 further comprises brake wheels 82, and the chassis 81 is provided below with a plurality of brake wheels 82.

[0034] By adopting the above technical scheme, the position of the storage tank can be moved by the brake wheels 82 when needed, so that the moving difficulty of the storage tank is reduced, and the labor burden of the workers is reduced.

[0035] When the height of the tank body assembly 1 and the like needs to be adjusted, the two screws 84 on the chassis 81 of the lifting moving device 8 can be rotated to be separated from the threaded holes 83 on the two vertical plates 85, then the tank body assembly 1 and the two vertical plates 85 and the like are pulled to move to the required height, the two screws 84 are reversely rotated to be connected with the corresponding threaded holes 83, the adjustment is completed, and the working needs in different situations can be better met. When needed, the workers can push the storage tank to move the position of the storage tank by the brake wheels 82.

[0036] The structure and principle of the tank body assembly 1 composed of a tank body, a display screen, a heat insulation layer and an inner container, the temperature detector 2, the top cover assembly 3 composed of a top cover, a movable cover, a hinge, a lock block, a lock hole, a mounting pipe, a clamping groove, a neck pipe, a plug and a fixing ring, the gas discharge pipe 4, the fixing plate assembly 6 composed of a hole fixing plate and a fixing hole, and the evaporator assembly 7 composed of a liquid nitrogen discharge pipe, an evaporator and an air outlet hole in the gas phase liquid nitrogen tank with a protection structure disclosed in Chinese patent application No. 202222357239.7 have been disclosed, and the working principle is that after the workers place the sample in the fixing hole and close the plug, the external pipeline is connected with the liquid nitrogen discharge pipe installed at the bottom, the liquid nitrogen is sent from the liquid nitrogen discharge pipe into the evaporator, the evaporator changes the liquid nitrogen into gas, and then moves to the inner container from the air outlet hole formed at the top of the evaporator, and the nitrogen gas moves upward through the hole fixing plate to reduce the temperature inside the inner container for storage.

[0037] The structure and principle of the sterilization lamp 53 are disclosed in a kind of electric endoscope anastomat power transmission mechanism of Chinese patent application No.202122604755.0, and its working principle is to emit two invisible ultraviolet rays by using lower mercury vapor pressure, and its spectral line mainly has two, one is two hundred fifty-three point seven nanometer wavelength, and one is one hundred eighty-five nanometer wavelength, after cell absorbs ultraviolet rays, it acts on genetic material in cell, by photochemical action, the energy of ultraviolet rays can cause genetic material to mutate, so that bacteria die immediately or cannot reproduce, and the purpose of sterilization is achieved.

[0038] The working principle and use process of the utility model are as follows: when it is needed to store biological samples by using the storage tank, if needed, the staff can operate two spring pins 562 in the closed assembly 56 in the sterilization and drying device 5 in advance, then remove the closed sleeve 563, put enough silica gel desiccant 54 into the two fixed tubes 51, then install the closed sleeve 563 back on the connecting block 55 through the spring pin 562, then start two sterilization lamps 53 to sterilize the inside of the tank body assembly 1, the moisture in the tank body assembly 1 will be gradually absorbed by the silica gel desiccant 54 through the two fixed nets 52, so as to dry the inside of the tank body assembly 1, if the biological sample is not allowed to be stored, the staff can turn off the two sterilization lamps 53 and take out the silica gel desiccant 54, then open the top cover assembly 3, place the biological sample on the fixed plate assembly 6, close the top cover assembly 3, send liquid nitrogen into the evaporator assembly 7, and the evaporator assembly 7 changes it into gas and sends it into the tank body assembly 1 to cool, so as to store, the gas exhaust pipe 4 plays a role of exhausting nitrogen gas when needed, the temperature detector 2 can detect the temperature, and the heat preservation cotton 561 can reduce the possibility that the temperature in the tank body assembly 1 is adversely affected; when it is needed to adjust the height of the tank body assembly 1 and other structures, the staff can rotate two screws 84 on the bottom frame 81 in the lifting moving device 8, so that they are separated from the threaded holes 83 on the two vertical plates 85, then pull the tank body assembly 1 and the two vertical plates 85 and other structures to the required height, rotate the two screws 84 in the opposite direction, so that they are connected with the corresponding threaded holes 83, the adjustment is completed, and the working needs in different situations are better met, and the staff can push the storage tank to move the position of the storage tank through the various brake wheels 82 when needed.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A gas phase liquid nitrogen biological sample storage tank, comprising a tank body assembly (1), a fixed plate assembly (6) is installed at a central position of the tank body assembly (1), a top cover assembly (3) is installed at the top of the tank body assembly (1), an evaporator assembly (7) is installed at the bottom of the tank body assembly (1), a temperature detector (2) is installed at an upper position of the tank body assembly (1) and located obliquely below the top cover assembly (3) and above the fixed plate assembly (6), a gas discharge pipe (4) is installed at the top of the tank body assembly (1) and located at one side of the top cover assembly (3), characterized in that: The sterilization and drying device (5) is installed on one side of the tank assembly (1) close to the edge position, and the lifting and moving device (8) is installed below the tank assembly (1) and outside the evaporator assembly (7). The sterilization and drying device (5) comprises a fixed tube (51), a fixed net (52), a sterilization lamp (53), a connecting block (55) and a closing assembly (56), two fixed tubes (51) are installed on one side of the tank assembly (1) close to the edge position, the connecting block (55) is installed outside the two fixed tubes (51) and on one side of the tank assembly (1), the fixed net (52) is installed on the side of the fixed tube (51) away from the connecting block (55), the sterilization lamp (53) is installed on the side of the fixed net (52) away from the fixed tube (51), and the closing assembly (56) is arranged outside the connecting block (55).

2. The gas phase liquid nitrogen biological sample storage tank according to claim 1, characterized in that: The sterilization and drying device (5) further comprises silica gel desiccant (54), and the silica gel desiccant (54) is filled in the fixed tube (51).

3. The gas phase liquid nitrogen biological sample storage tank according to claim 2, characterized in that: The closing assembly (56) comprises heat preservation cotton (561), spring pins (562) and a closing sleeve (563), the closing sleeve (563) is arranged outside the connecting block (55), the heat preservation cotton (561) is filled in the sidewall of the closing sleeve (563), and the spring pins (562) are arranged on the top and bottom of the closing sleeve (563).

4. The gas phase liquid nitrogen biological sample storage tank of claim 1, wherein: The lifting and moving device (8) comprises a base frame (81), screw holes (83), screws (84) and vertical plates (85), the vertical plates (85) are installed below the tank assembly (1) and on both sides of the evaporator assembly (7), the base frame (81) is arranged outside the two vertical plates (85), the two screws (84) are arranged on the top of the base frame (81) in a threaded mode, and a plurality of screw holes (83) are formed on the sides of the two vertical plates (85) away from each other.

5. A gas phase liquid nitrogen biological sample storage tank according to claim 4, wherein: The lifting and moving device (8) further comprises brake wheels (82), and the brake wheels (82) are installed below the base frame (81).

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