CN213656295U - Liquid nitrogen storage device - Google Patents

Abstract

The utility model relates to a liquid nitrogen storage device, include the liquid nitrogen container, install metal disc and a plurality of tubular metal resonator in the liquid nitrogen container, it has a plurality of through-holes that link up from top to bottom, a plurality of to distribute on the metal disc the insertion of tubular metal resonator one-to-one a plurality of through-holes of metal disc are suspended in the liquid nitrogen container. The utility model discloses a liquid nitrogen storage device adopts densely covered formula alloy pipe subassembly to save and freezes the deposit pipe, convenient manufacturing, low cost.

Description

Liquid nitrogen storage device

Technical Field

The utility model relates to an ultra-low temperature sample storage correlation technique field, concretely relates to liquid nitrogen storage device.

Background

The biological sample bank is also called biological bank (Biobank) and mainly refers to standardized collection, treatment, storage and application of samples such as biological macromolecules, cells, tissues and organs of healthy and disease organisms, including human organ tissues, whole blood, blood plasma, blood serum, biological body fluid or treated biological samples (DNA, RNA, protein and the like), and clinical, pathological, treatment, follow-up visit, informed consent and other data related to the biological samples, and a quality control, information management and application system thereof.

At present, some low-temperature storage systems exist at home and abroad, but the low-temperature storage systems are high in price or need to operate the whole cryopreservation box, and other cryopreservation tubes are easily influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a liquid nitrogen storage device aiming at the defects of the prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the liquid nitrogen storage device comprises a liquid nitrogen tank, a metal disc and a plurality of metal tubes, wherein the metal disc and the metal tubes are installed in the liquid nitrogen tank, a plurality of through holes which are communicated up and down are distributed on the metal disc, and the metal tubes are inserted into the through holes of the metal disc in a one-to-one correspondence mode and are suspended in the liquid nitrogen tank.

The utility model has the advantages that: the utility model discloses a liquid nitrogen storage device adopts densely covered formula alloy pipe subassembly to save and freezes the deposit pipe, convenient manufacturing, low cost.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, a circle of annular shoulder is arranged on the outer side wall, close to the upper end, of the metal pipe, and the metal pipe is erected on the metal disc through the annular shoulder.

The beneficial effect of adopting the further scheme is that: the metal pipe can be suspended on the metal disc by arranging the annular circular bead on the outer side wall of the metal pipe, and the metal pipes with different lengths can be arranged as required.

Furthermore, one section of the metal tube close to the upper end is a connecting section, the upper part of the connecting section is of a horn mouth structure, the middle part of the connecting section is of a straight cylinder structure, and the lower part of the connecting section is of a closing structure.

The beneficial effect of adopting the further scheme is that: the connecting section can be matched with a vacuum suction head, so that the vacuum suction device can conveniently suck the cryopreserved pipe in the metal pipe.

Further, the metal plate is an aluminum plate, and the metal pipe is an aluminum alloy pipe formed by stamping, machining or casting.

The beneficial effect of adopting the further scheme is that: convenient manufacture and low cost.

Furthermore, a ring of annular inner edge is arranged on the inner side wall of the lower end of the metal pipe.

The beneficial effect of adopting the further scheme is that: the setting of annular inner edge prevents to freeze and deposits the pipe roll-off from the tubular metal resonator.

Further, install first stopper on the liquid nitrogen container, be equipped with the spacing groove on the first stopper top end face.

The beneficial effect of adopting the further scheme is that: the arrangement of the limiting groove on the first cover plug is convenient for the auxiliary opening and closing device to be matched with the first cover plug and rotate the first cover plug to a required position.

Furthermore, a long-strip-shaped slotted hole is formed in the first cover plug, a second cover plug is installed at the slotted hole, and a magnetic part is arranged at the top of the second cover plug.

The beneficial effect of adopting the further scheme is that: can utilize the supplementary electro-magnet that opens and shuts on the device to adsorb the magnetic part and realize opening of second lid stopper, utilize the second lid stopper to realize getting of cryopreserving pipe and take, avoid the too much loss of air conditioning.

Further, the liquid nitrogen storage device further comprises an external refrigeration assembly, a temperature sensor or/and a liquid level sensor are/is arranged in the liquid nitrogen tank, the temperature sensor or/and the liquid level sensor are/is connected with a system display controller respectively, and the system display controller is connected with the external refrigeration assembly.

The beneficial effect of adopting the further scheme is that: temperature sensor can the inside temperature of real-time supervision liquid nitrogen container, can ensure to freeze the reliability of depositing the pipe storage, and level sensor can monitor how much of the inside liquid nitrogen of liquid nitrogen container, can carry out the automatic refrigeration to the liquid nitrogen container through outside refrigeration subassembly.

Further, the external refrigeration assembly comprises a liquid nitrogen liquid supplementing tank and an automatic liquid supplementing system, the automatic liquid supplementing system is respectively connected with the liquid nitrogen liquid supplementing tank and the liquid nitrogen tank, and the system display controller is connected with the automatic liquid supplementing system.

The beneficial effect of adopting the further scheme is that: when level sensor detected need supply liquid nitrogen in the liquid nitrogen jar, liquid nitrogen of liquid nitrogen fluid infusion jar can also set up level sensor in the liquid nitrogen fluid infusion jar automatically supply liquid nitrogen jar, when level sensor in the liquid nitrogen fluid infusion jar detected the liquid nitrogen not enough, can automatic alarm remind the replenishment, the liquid nitrogen fluid infusion jar outside is provided with the liquid level display moreover, can look over liquid nitrogen volume at any time.

Further, the external refrigeration component comprises a cryogenic refrigerator, and the system display controller is connected with the cryogenic refrigerator.

The beneficial effect of adopting the further scheme is that: certainly, if the temperature sensor detects that the temperature in the liquid nitrogen tank can not meet the requirement, the system display controller controls the low-temperature refrigerant to cool the liquid nitrogen tank to the temperature of minus 110 ℃ to minus 150 ℃.

Drawings

FIG. 1 is a schematic view of a top view of a liquid nitrogen storage device according to the present invention;

FIG. 2 is a schematic view of the liquid nitrogen storage device of the present invention;

FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 2;

FIG. 4 is an enlarged view of part A of FIG. 3;

FIG. 5 is an enlarged view of the portion B of FIG. 3;

fig. 6 is a schematic perspective view of the auxiliary opening/closing device.

In the drawings, the components represented by the respective reference numerals are listed below:

200. a liquid nitrogen storage device; 201. a liquid nitrogen tank; 202. a first cap plug; 203. a second cap plug; 204. A limiting groove; 205. a magnetic member; 206. a metal disc; 207. a metal tube; 208. a connecting section; 209. An annular inner edge;

300. an auxiliary opening and closing device; 301. a first electric rotating device; 302. a second electric rotating device; 303. An electric lifting device; 304. a first cross bar; 305. a second cross bar; 306. a limiting column; 307. an electromagnet.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 5, a liquid nitrogen storage device 200 of this embodiment includes a liquid nitrogen tank 201, a metal disc 206 installed in the liquid nitrogen tank 201, and a plurality of metal tubes 207, wherein a plurality of through holes penetrating up and down are distributed on the metal disc 206, and the plurality of metal tubes 207 are inserted into the plurality of through holes of the metal disc 206 in a one-to-one correspondence manner and suspended in the liquid nitrogen tank 201. The metal tube 207 is arranged at a distance from the bottom wall of the liquid nitrogen tank 201.

The liquid nitrogen tank 201 of the present embodiment has a customized right circular cylindrical structure, and the metal plate 206 has a disc-shaped structure.

The liquid nitrogen storage device 200 of the embodiment adopts the densely distributed alloy pipe assembly to store the freezing storage pipe, is convenient to manufacture and has low cost.

As shown in fig. 3 and 4, a ring-shaped shoulder is provided on the outer side wall of the metal tube 207 near the upper end, and the metal tube 207 is erected on the metal plate 206 through the ring-shaped shoulder. The metal pipe can be suspended on the metal disc by arranging the annular circular bead on the outer side wall of the metal pipe, and the metal pipes with different lengths can be arranged as required.

As shown in fig. 4, a section of the metal tube 207 near the upper end is a connecting section 208, the upper portion of the connecting section 208 is in a bell mouth structure, the middle portion is in a straight tube structure, and the lower portion is in a closed structure. The connecting section can be matched with a vacuum suction head, so that the vacuum suction device can conveniently suck the cryopreserved pipe in the metal pipe.

In a preferred embodiment of this embodiment, the metal plate 206 is an aluminum plate, and the metal tube 207 is an aluminum alloy tube formed by stamping, machining or casting. Convenient manufacture and low cost.

As shown in fig. 5, a ring of annular inner edge 209 is disposed on the inner side wall of the lower end of the metal tube 207 in this embodiment. The setting of annular inner edge prevents to freeze and deposits the pipe roll-off from the tubular metal resonator.

As shown in fig. 1 to fig. 3, a first cover plug 202 is installed on the liquid nitrogen tank 201 of this embodiment, and a limit groove 204 is provided on an end surface of a top of the first cover plug 202. The arrangement of the limiting groove on the first cover plug is convenient for the auxiliary opening and closing device to be matched with the first cover plug and rotate the first cover plug to a required position.

As shown in fig. 1, the first lid plug 202 of this embodiment is provided with a strip-shaped slot, a second lid plug 203 is installed at the slot, and a magnetic member 205 is disposed at the top of the second lid plug 203. Can utilize the supplementary electro-magnet that opens and shuts on the device to adsorb the magnetic part and realize opening of second lid stopper, utilize the second lid stopper to realize getting of cryopreserving pipe and take, avoid the too much loss of air conditioning.

The first cover plug 202 of the embodiment is used for sealing the liquid nitrogen tank 201, the first cover plug 202 is made of foamed polyurethane and stainless steel materials, and the pore characteristics of the foamed polyurethane can seal cold air in the liquid nitrogen tank and prevent the internal air pressure from being too high and being discharged. The material of the second cover plug 203 is the same as that of the first cover plug 202, and the top magnetic member 205 of the second cover plug 203 can be attracted by an electromagnet for opening the second cover plug 203.

The liquid nitrogen storage device of this embodiment still includes outside refrigeration subassembly, be equipped with temperature sensor or/and level sensor in the liquid nitrogen container 201, temperature sensor or/and level sensor are connected with system display controller respectively, system display controller with outside refrigeration subassembly is connected. Temperature sensor can the inside temperature of real-time supervision liquid nitrogen container, can ensure to freeze the reliability of depositing the pipe storage, and level sensor can monitor how much of the inside liquid nitrogen of liquid nitrogen container, can carry out the automatic refrigeration to the liquid nitrogen container through outside refrigeration subassembly.

An alternative scheme of the external refrigeration assembly of this embodiment is that the external refrigeration assembly includes a liquid nitrogen replenishing tank and an automatic liquid replenishing system, the automatic liquid replenishing system is connected to the liquid nitrogen replenishing tank and the liquid nitrogen tank 201, and the system display controller is connected to the automatic liquid replenishing system. When level sensor detected need supply liquid nitrogen in the liquid nitrogen jar, liquid nitrogen of liquid nitrogen fluid infusion jar can also set up level sensor in the liquid nitrogen fluid infusion jar automatically supply liquid nitrogen jar, when level sensor in the liquid nitrogen fluid infusion jar detected the liquid nitrogen not enough, can automatic alarm remind the replenishment, the liquid nitrogen fluid infusion jar outside is provided with the liquid level display moreover, can look over liquid nitrogen volume at any time.

Another alternative to the external refrigeration assembly of this embodiment is that the external refrigeration assembly includes a cryocooler, and the system display controller is coupled to the cryocooler. Certainly, if the temperature sensor detects that the temperature in the liquid nitrogen tank can not meet the requirement, the system display controller controls the low-temperature refrigerant to cool the liquid nitrogen tank to the temperature of minus 110 ℃ to minus 150 ℃.

The liquid nitrogen storage device of this embodiment adopts the close-packed alloy tube subassembly to save the cryopreserved pipe, and convenient the manufacturing is low cost.

The liquid nitrogen storage device of this embodiment can cooperate the supplementary device that opens and shuts to use, supplementary device 300 that opens and shuts includes electric rotary device one 301, electric lifting device 303, electric rotary device two 302 and electro-magnet 307, electric rotary device one 301 is installed on the system frame, electric lifting device 303 is installed the rotatory drive end at electric rotary device one 301 top, be equipped with horizontal pole one 304 on the electric lifting device 303, the free end of horizontal pole one 304 is equipped with electric rotary device two 302, the position that horizontal pole one 304 is close to its free end is equipped with electro-magnet 307, the rotatory drive end of electric rotary device two 302 lower part with first lid stopper 202 adaptation, electro-magnet 307 with magnetic part 205 adaptation. The second cross bar 305 is arranged at the rotary driving end at the lower part of the second electric rotating device 302 in this embodiment, two ends of the lower part of the second cross bar 305 are respectively provided with a limiting post 306, and the central position of the top end surface of the first cover plug 202 is provided with a limiting groove 204 adapted to the limiting post 306. Through the cooperation of restriction post and spacing groove, realize the rotational positioning of electric rotary device two pairs of first lid stopper. Utilize first lid to fill in sealed liquid nitrogen container, utilize the second lid to fill in and realize getting of cryopreserving pipe and take, avoid the too much loss of air conditioning.

When the liquid nitrogen storage device of this embodiment is used, can put into a plurality of cryopreserved pipes in every tubular metal resonator, a plurality of cryopreserved pipes are arranged from last to bottom in proper order in the tubular metal resonator. When the pipe is deposited to needs storage freezing, supplementary device that opens and shuts removes directly over the second stopper, and the electro-magnet adsorbs the magnetic part on the second stopper to place the second stopper to automatic mesa relevant position, then the spacing post on the supplementary device that opens and shuts two of upper cross bars and the spacing groove adaptation on the first stopper utilize electronic rotary device two to rotate first stopper, make the slotted hole on the first stopper rotate to the position that needs place the freezing pipe of depositing. Utilize other equipment to deposit the pipe with freezing and put into corresponding tubular metal resonator, treat that all freeze and deposit the pipe and all deposit the back that finishes, supplementary device that opens and shuts rotates first lid stopper and returns initial position, supplementary device that opens and shuts adsorbs the second lid stopper to remove and seal directly over first lid stopper slotted hole. When the freezing tube needs to be taken out, the auxiliary opening and closing device moves to the position right above the second cover plug, the electromagnet adsorbs the second cover plug and is placed at a fixed position of the automatic table board, then the auxiliary opening and closing device rotates the first cover plug, so that the slotted hole in the first cover plug is rotated to the storage position of the freezing tube needing to be taken out, then other freezing tubes above the target freezing tube are taken out by other equipment and are placed into the metal tube for transferring until the target freezing tube is positioned at the top, then the target freezing tube is sucked, the freezing tube in the transferring metal tube is put back to the original position, after the freezing tube is taken out, the auxiliary opening and closing device rotates the first cover plug to the initial position, and the auxiliary opening and closing device adsorbs the second cover plug and moves to the position right above the first cover plug for sealing.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. The liquid nitrogen storage device is characterized by comprising a liquid nitrogen tank, a metal disc and a plurality of metal tubes, wherein the metal disc and the metal tubes are installed in the liquid nitrogen tank, a plurality of through holes which are communicated up and down are distributed on the metal disc, and the metal tubes are inserted into the through holes of the metal disc in a one-to-one correspondence mode and are suspended in the liquid nitrogen tank.

2. A liquid nitrogen storage device as claimed in claim 1, wherein said metal tube is provided with a ring-shaped shoulder on its outer side wall near its upper end, said metal tube being bridged on said metal disk by said ring-shaped shoulder.

3. The apparatus as claimed in claim 2, wherein a section of the metal tube near the upper end is a connecting section, an upper portion of the connecting section is in a bell mouth structure, a middle portion of the connecting section is in a straight tube structure, and a lower portion of the connecting section is in a closing structure.

4. A liquid nitrogen storage device according to any one of claims 1 to 3, wherein said metal plate is an aluminum plate, and said metal tube is an aluminum alloy tube formed by stamping, machining or casting.

5. A liquid nitrogen storage device according to any one of claims 1 to 3, wherein a ring-shaped inner edge is provided on the inner side wall of the lower end of said metal pipe.

6. The device as claimed in any one of claims 1 to 3, wherein a first cover plug is mounted on the liquid nitrogen tank, and a limiting groove is formed in the top end surface of the first cover plug.

7. The liquid nitrogen storage device as claimed in claim 6, wherein said first cover plug is provided with an elongated slot, said slot is provided with a second cover plug, and a magnetic member is provided on top of said second cover plug.

8. The liquid nitrogen storage device according to any one of claims 1 to 3, further comprising an external refrigeration component, wherein a temperature sensor or/and a liquid level sensor are arranged in the liquid nitrogen tank, the temperature sensor or/and the liquid level sensor are respectively connected with a system display controller, and the system display controller is connected with the external refrigeration component.

9. The liquid nitrogen storage device according to claim 8, wherein the external refrigeration component comprises a liquid nitrogen replenishing tank and an automatic liquid replenishing system, the automatic liquid replenishing system is respectively connected with the liquid nitrogen replenishing tank and the liquid nitrogen tank, and the system display controller is connected with the automatic liquid replenishing system.

10. The liquid nitrogen storage device of claim 8, wherein said external refrigeration component comprises a cryocooler, said system display controller being connected to said cryocooler.

Images