CN203860327U - Device for long-term preservation of biological samples through gasified liquid nitrogen - Google Patents
Device for long-term preservation of biological samples through gasified liquid nitrogen Download PDFInfo
- Publication number
- CN203860327U CN203860327U CN201420221669.9U CN201420221669U CN203860327U CN 203860327 U CN203860327 U CN 203860327U CN 201420221669 U CN201420221669 U CN 201420221669U CN 203860327 U CN203860327 U CN 203860327U
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- deep cooling
- liquid nitrogen
- jet pipe
- air jet
- central air
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Abstract
The utility model relates to a device for long-term preservation of biological samples through gasified liquid nitrogen. The device comprises a deep cold storage box, wherein a first insulting layer is arranged at each of the upper part and the lower part of the deep cold storage box; the deep cold storage box is sleeved with a central gas ejecting pipe; the deep cold box is connected with the central gas ejecting pipe through a rolling bearing; a deep cold chamber is formed between the deep cold storage box and the central gas ejecting pipe; a temperature probe is arranged in the deep cold chamber; a gas jet hole is formed in the central gas ejecting pipe; the upper end and the lower end of the central gas ejecting pipe are placed at the outer part of the first insulating layer; the end, positioned at the outer part of the first insulating layer at the upper part, of the central gas ejecting pipe, is a liquid nitrogen inlet and connected with a control valve; the end, positioned at the outer part of the first insulating layer at the lower part, of the central gas ejecting pipe is a nitrogen gas outlet and connected with a pressure control valve. According to the device for long-term preservation of biological samples through gasified liquid nitrogen has the advantages that the device is suitable for preservation and management of large scale numerical control biological samples, and meanwhile, irretrievable loss of samples due to consumption of liquid nitrogen is avoided.
Description
Technical field
The utility model relates to a kind of biological sample storage device, particularly a kind of device of preserving for a long time biological sample by gasification liquid nitrogen.
Background technology
Liquid nitrogen, in bio-pharmaceuticals, is generally used as the cold medium of long-term preservation biological sample in medical and health industry.Traditional liquid nitrogen Techniques of preserving is positioned over biological sample in sealing liquid nitrogen container.Because liquid nitrogen can volatilize along with the time, regular check liquid nitrogen horizontal is the committed step in management.Along with a large amount of biological samples, as stem cell, start in a planned way to carry out long term storage.The low temperature Techniques of preserving of this original extensive style, had both been unfavorable for management on large, and especially numerical control management also increases keeping cost greatly, once and because of mismanagement, cause liquid nitrogen consumption, the biological sample loss consequence causing cannot make up.
Summary of the invention
The purpose of this utility model is in order to overcome above deficiency, provides a kind of and is applicable to that extensive numerical control biological sample is preserved and management is used, and can not cause the device that passes through gasification liquid nitrogen and preserve for a long time biological sample of liquid nitrogen waste.
The purpose of this utility model is achieved through the following technical solutions: a kind of device of preserving for a long time biological sample by gasification liquid nitrogen, comprise deep cooling storage bin, the top and the bottom of deep cooling storage bin are equipped with the first heat-insulation layer, in deep cooling storage bin, run through and be provided with central air jet pipe, between deep cooling storage bin and central air jet pipe, be connected by rolling bearing, between deep cooling storage bin and central air jet pipe, form chilling chamber, in chilling chamber, be provided with temp probe, central authorities' air jet pipe is provided with puff prot, the two ends up and down of central authorities' air jet pipe are all placed in the outside of the first heat-insulation layer, one end that central authorities' air jet pipe is positioned at the first heat-insulation layer outside, top is liquid nitrogen import and is connected with control valve, one end that central authorities' air jet pipe is positioned at the first heat-insulation layer outside, bottom is nitrogen outlet and is connected with pressure-control valve.
Further improvement of the utility model is: described deep cooling storage bin comprises multilayer deep cooling box group, and every group of deep cooling box group includes multiple deep cooling boxes that arrange around central air jet pipe.
Further improvement of the utility model is: each described deep cooling box comprises box body, deep cooling door with the second heat-insulation layer, between box body and deep cooling door, is connected by rotating shaft, and the back of deep cooling box is opened to chilling chamber, and deep cooling door is outwards open.
Further improvement of the utility model is: it is characterized in that: the below of each described deep cooling box is equipped with dragging track.
The utility model compared with prior art has the following advantages: use more for convenience, can well ensure the temperature of each deep cooling box, and be convenient to pick and place sample, facilitate extensive numerical control management, save production cost, avoided the loss of the biological sample causing due to the consumption of liquid nitrogen.
brief description of the drawings:
Fig. 1 is structural representation of the present utility model;
Fig. 2 be in Fig. 1 A-A to structural representation;
Fig. 3 is the structural representation of deep cooling box;
Number in the figure: 1-deep cooling storage bin, 2-the first heat-insulation layer, 3-central authorities air jet pipe, 4-rolling bearing, 5-chilling chamber, 6-puff prot, 7-deep cooling box group, 8-deep cooling box, 9-box body, 10-the second heat-insulation layer, 11-deep cooling door, the import of 12-liquid nitrogen, 13-control valve, 14-nitrogen outlet, 15-pressure-control valve, 16-temp probe, 17-rotating shaft.
embodiment:
In order to deepen understanding of the present utility model, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, and this embodiment only, for explaining the utility model, does not form the restriction to the utility model protection domain.
As Fig. 1 to Fig. 3 shows a kind of embodiment of preserving for a long time the device of biological sample by gasification liquid nitrogen of the utility model, comprise deep cooling storage bin 1, the top and the bottom of deep cooling storage bin 1 are equipped with the first heat-insulation layer 2, in deep cooling storage bin 1, run through and be provided with central air jet pipe 3, between deep cooling storage bin 1 and central air jet pipe 3, be connected by rolling bearing 4, between deep cooling storage bin 1 and central air jet pipe 3, form chilling chamber 5, in chilling chamber 5, be provided with temp probe 16, central authorities' air jet pipe 3 is provided with puff prot 6, the two ends up and down of central authorities' air jet pipe 3 are all placed in the outside of the first heat-insulation layer 2, one end that central authorities' air jet pipe 3 is positioned at the first heat-insulation layer 2 outsides, top is liquid nitrogen import 12 and is connected with control valve 13, one end that central authorities' air jet pipe 3 is positioned at the first heat-insulation layer 2 outsides, bottom is nitrogen outlet 14 and is connected with pressure-control valve 15, the preferred deep cooling storage bin 1 of the utility model comprises multilayer deep cooling box group 7, every group of deep cooling box group 7 includes multiple deep cooling boxes 8 that arrange around central air jet pipe 3, each deep cooling box 8 comprises box body 9, with the deep cooling door 11 of the second heat-insulation layer 10, between box body 8 and deep cooling door 11, be connected by rotating shaft 17, the back of deep cooling box 8 is opened to chilling chamber 5, deep cooling door 11 is outwards open, the below of each deep cooling box 8 is equipped with dragging track.
Biological sample storage device described in the utility model adopts continuous jet-propelled deep cooling store method to preserve, this device does not directly adopt liquid nitrogen to preserve, suitable storage temperature should be than DEG C slightly high 5-10 DEG C left and right, condensing temperature-196 of liquid nitrogen, its actual temp is arranged and is controlled by central control room, liquid nitrogen is sent into from the liquid nitrogen import 12 of central air jet pipe 3, the puff prot 6 spraying paint on pipe 3 by central authorities enters chilling chamber, gas is discharged by the nitrogen outlet 14 below pipeline exceeding after certain pressure, each deep cooling box back is open towards chilling chamber 5, to keep minimum temperature, deep cooling box below is provided with sliding rail, be convenient to pick and place sample, 11, deep cooling door can outwards be opened, to pick and place at any time sample, between central authorities' air jet pipe and deep cooling storage bin, there is rolling bearing 4 to connect, whole like this deep cooling storage bin can rotate around central air jet pipe 3, be convenient to pick and place sample, whole device uses more for convenience.
Claims (4)
1. preserve for a long time the device of biological sample by gasification liquid nitrogen for one kind, it is characterized in that: comprise deep cooling storage bin (1), the top and the bottom of described deep cooling storage bin (1) are equipped with the first heat-insulation layer (2), in described deep cooling storage bin (1), run through and be provided with central air jet pipe (3), between described deep cooling storage bin (1) and described central air jet pipe (3), be connected by rolling bearing (4), between described deep cooling storage bin (1) and described central air jet pipe (3), form chilling chamber (5), in described chilling chamber (5), be provided with temp probe (16), described central air jet pipe (3) is provided with puff prot (6), the two ends up and down of described central air jet pipe (3) are all placed in the outside of described the first heat-insulation layer (2), described central air jet pipe (3) is positioned at outside one end of the first heat-insulation layer (2) described in top and is liquid nitrogen import (12) and is connected with control valve (13), described central air jet pipe (3) is positioned at outside one end of the first heat-insulation layer (2) described in bottom and is nitrogen outlet (14) and is connected with pressure-control valve (15).
2. a kind ofly according to claim 1 preserve for a long time the device of biological sample by gasification liquid nitrogen, it is characterized in that: described deep cooling storage bin (1) comprises multilayer deep cooling box group (7), described in every group, deep cooling box group (7) includes multiple deep cooling boxes (8) that arrange around described central air jet pipe (3).
3. a kind ofly according to claim 2 preserve for a long time the device of biological sample by gasification liquid nitrogen, it is characterized in that: each described deep cooling box (8) comprises box body (9), deep cooling door (11) with the second heat-insulation layer (10), between described box body (8) and described deep cooling door (11), be connected by rotating shaft (17), the back of described deep cooling box (8) is opened to described chilling chamber (5), and described deep cooling door (11) is outwards open.
4. a kind ofly according to claim 3 preserve for a long time the device of biological sample by gasification liquid nitrogen, it is characterized in that: the below of each described deep cooling box (8) is equipped with dragging track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221669.9U CN203860327U (en) | 2014-05-04 | 2014-05-04 | Device for long-term preservation of biological samples through gasified liquid nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221669.9U CN203860327U (en) | 2014-05-04 | 2014-05-04 | Device for long-term preservation of biological samples through gasified liquid nitrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203860327U true CN203860327U (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420221669.9U Withdrawn - After Issue CN203860327U (en) | 2014-05-04 | 2014-05-04 | Device for long-term preservation of biological samples through gasified liquid nitrogen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103975914A (en) * | 2014-05-04 | 2014-08-13 | 南通天工深冷新材料强化有限公司 | Long-term preservation device for biological sample through gasified liquid nitrogen |
| CN110510563A (en) * | 2019-09-20 | 2019-11-29 | 宁波精酿谷科技有限公司 | A kind of barreled beer on draft wine selling machine |
-
2014
- 2014-05-04 CN CN201420221669.9U patent/CN203860327U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103975914A (en) * | 2014-05-04 | 2014-08-13 | 南通天工深冷新材料强化有限公司 | Long-term preservation device for biological sample through gasified liquid nitrogen |
| CN110510563A (en) * | 2019-09-20 | 2019-11-29 | 宁波精酿谷科技有限公司 | A kind of barreled beer on draft wine selling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141008 Effective date of abandoning: 20150513 |
|
| RGAV | Abandon patent right to avoid regrant |