CN204070282U - A kind of liquid nitrogen container stored for stem cell low temperature - Google Patents
A kind of liquid nitrogen container stored for stem cell low temperature Download PDFInfo
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- CN204070282U CN204070282U CN201420537201.0U CN201420537201U CN204070282U CN 204070282 U CN204070282 U CN 204070282U CN 201420537201 U CN201420537201 U CN 201420537201U CN 204070282 U CN204070282 U CN 204070282U
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- liquid nitrogen
- inner bag
- stem cell
- low temperature
- tank body
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Abstract
A kind of liquid nitrogen container stored for stem cell low temperature, comprise the tank body with opening, gag, described gag is detachable to be covered in the openend of described tank body, and the described tank body outer courage that comprises high-strength aluminum alloy manufacture and the inner bag that made by stainless steel, a vacuum interlayer is formed between described outer courage and inner bag, outer courage is coated with the high temperature modification getter layer of normal temperature near the surface of this inner bag side, described inner bag is provided with heat insulation layer near the surface of this outer courage side, described heat insulation layer is the aluminium foil that surface scribbles paraffin, and be filled with pearlife in this vacuum interlayer.The liquid nitrogen container stored for stem cell low temperature that the utility model provides that a kind of structure is simple, easy to use and vacuum interlayer adiabatic coefficent is high, cold storage effect is good, to solve the problem existing for existing stem cell storage tank.
Description
Technical field
The utility model relates to stem cell technique of refrigeration field, is specifically related to a kind of liquid nitrogen container stored for stem cell low temperature.
Background technology
Stem cell storage pot is that stem cell stores utensil conventional in engineering, and current existing stem cell storage pot great majority are all made up of inner bag and outer courage, vacuum interlayer is formed between inner bag and outer courage, the coefficient of heat conduction is reduced by vacuum interlayer, keep inner bag low temperature, by the bottom needing the stem cell stored to be put in inner bag, in inner bag, be filled with liquid nitrogen, for low-temperature preservation stem cell.
But, the stem cell nitrogen storage tank of prior art, because the vacuum of vacuum interlayer to be given vent to anger etc. by the steam Sum decomposition gas of material and inner and outer pipes tube wall and heat-insulating material the impact of factor, cause the vacuum under low temperature in vacuum interlayer to reduce, thus cause the thermal conductivity factor in vacuum interlayer to become large, affect the refrigeration of liquid nitrogen, pour nitrogen time serious can not be incubated, the meeting frosting of such tank top, liquid nitrogen loss is large, loses the value continuing to use.Thus after causing use a period of time, need stem cell storage tank to return manufacturer, carry out vacuumizing process, cause its working service difficulty.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model be to provide a kind of structure simple, easy to use and vacuum interlayer adiabatic coefficent high for stem cell low temperature store liquid nitrogen container, to solve the problem existing for existing stem cell storage tank.
For achieving the above object, a kind of liquid nitrogen container stored for stem cell low temperature of the utility model, comprise the tank body with opening, gag, described gag is detachable to be covered in the openend of described tank body, and the described tank body outer courage that comprises high-strength aluminum alloy manufacture and the inner bag that made by stainless steel, a vacuum interlayer is formed between described outer courage and inner bag, it is characterized in that: described outer courage is coated with the high temperature modification getter layer of normal temperature near the surface of this inner bag side, described inner bag is provided with heat insulation layer near the surface of this outer courage side, described heat insulation layer is the aluminium foil that surface scribbles paraffin, and be filled with pearlife in this vacuum interlayer.
On the basis of such scheme preferably, described high temperature modification getter layer is propane diols layer.
On the basis of such scheme preferably, the surface that described outer courage contacts with air has scribbled bi-component rapid curing liquid coating.
On the basis of such scheme preferably, pressure sensor is provided with bottom described inner bag, described tank body is provided with the liquid nitrogen pipes be connected with this inner bag, described liquid nitrogen pipes is provided with solenoid electric valve to control the folding of this liquid nitrogen pipes, described gag is also provided with a controller, and described solenoid electric valve, pressure sensor are electrical connected respectively at described controller.
On the basis of such scheme preferably, described controller comprises a light-emitting diode display to show the liquid nitrogen weight in described inner bag.
On the basis of such scheme preferably, described tank body is provided with a handle.
The utility model compared with prior art, its beneficial effect is: the utility model overcomes the not high defect of vacuum chamber tightness that traditional liquid nitrogen container exists, heat insulation layer is provided with on inner bag surface by the utility model, and the inner surface of courage is coated with high temperature modification getter layer outside, the heat of inner bag is passed to by reducing the external world, and the venting of the various materials contacted with vacuum interlayer is adsorbed by high temperature modification getter layer, guarantee the vacuum of vacuum interlayer, and be engaged in filling pearlife in vacuum interlayer, to reduce the coefficient of heat conduction of vacuum interlayer, thus provide a kind of structure simple, the liquid nitrogen container for storing stem cell that the easy to use and vacuum conservation degree of vacuum chamber is high.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of the liquid nitrogen container that the utility model stores for stem cell low temperature;
Fig. 2 is the cross-sectional view of the liquid nitrogen container that the utility model stores for stem cell low temperature;
In figure: 10. gag, 20. tank bodies, 21. inner bags, 22. outer courages, 23. high temperature modification getter layers, 24. heat insulation layers, 25. pearlifes, 11.LED display screen.
Embodiment
By describe in detail the utility model technology contents, structural feature, reached object and effect, hereby exemplify embodiment below and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1, and combination is consulted shown in Fig. 2, the utility model provides a kind of liquid nitrogen container stored for stem cell low temperature, comprise tank body 20, gag 10, this tank body 20 is provided with an opening, and gag 10 is detachable to be covered in the openend of this tank body 20 to form one for filling liquid nitrogen and preserving the seal cavity of stem cell, when stem cell deposited by needs or need to load liquid nitrogen, gag 10 can directly be separated with tank body 20 by user, is filled with liquid nitrogen by the openend of tank body 20; When storing stem cell, by gag 10 seal cover being combined in the opening part of this tank body 20, liquid nitrogen and the extraneous contact that effectively can prevent from inserting this tank body 20 affect its cold storage effect.
Shown in Fig. 1, a kind of liquid nitrogen container stored for stem cell low temperature of the present utility model, its tank body 20 comprises outer courage 22 and inner bag 21, this outer courage 22 is the cylinder cup-shaped being with opening with inner bag 21, and the openend of this outer courage 22 is connected integral to form an airtight vacuum interlayer 30 with the openend periphery of inner bag 21, collide with external object in transport or moving process in order to ensure tank body 20 and outer courage 22 occurs break and affect the cold storage effect of liquid nitrogen container, outer courage 22 of the present utility model adopts high-strength aluminum alloy material to be made, and this inner bag 21 adopts stainless steel to be made the pressure ensureing to produce after it can bear the liquid nitrogen gasification be filled with in inner bag 21, shown in Fig. 2, on the surface of inner bag 21 side, the high temperature modification getter layer 23 of normal temperature is coated with at this outer courage 22, namely adsorbing getter is played at normal temperatures, it can adsorb the venting of the various materials contacted with vacuum interlayer 30, thus ensure the vacuum of vacuum interlayer 30, to extend vacuum life, and utilize the outer casing inner wall close to environmental temperature to heat up to it, preferably, this high temperature modification getter layer 23 is propane diols layer, heat insulation layer 24 is provided with near the surface of this outer courage 22 side at this inner bag 21, and this heat insulation layer 24 is for being coated with the aluminium foil of paraffin, namely it is stoped to transmit to inner bag 21 direction with reflection mode a small amount of heat being passed to vacuum interlayer 30 from the external world by aluminium foil, to guarantee the cold storage effect of liquid nitrogen container, and in vacuum interlayer 30 extend oil pearlife 25, utilize pearlife 25 thermal conductivity factor low, the characteristic that chemical stability is good, to guarantee when the vacuum of vacuum interlayer 30 is not high further, the coefficient of heat conduction of vacuum interlayer 30 is reduced by pearlife 25, to ensure the cooling effect of liquid nitrogen container.
It is further, in order to ensure tank body 20, there is excellent mechanical property and decay resistance, the surface contacted with air at this outer courage 22 has scribbled bi-component rapid curing liquid coating, wherein this bi-component rapid curing liquid coating mainly by E-51 type epoxy resin and phenolic aldehyde amine (T-31) epoxy resin mixing cured to be formed.
Shown in Fig. 2, pressure sensor is provided with bottom inner bag 21 of the present utility model, and this tank body 20 is provided with the liquid nitrogen pipes be connected with inner bag 21, liquid nitrogen pipes is provided with solenoid electric valve to control the folding of this liquid nitrogen pipes, gag 10 is also provided with a controller, solenoid electric valve, pressure sensor are electrical connected respectively at described controller, and controller comprises a light-emitting diode display to show the liquid nitrogen weight in inner bag 21.
During use, be arranged on pressure sensor bottom inner bag 21 by detecting pressure bottom inner bag 21 of liquid nitrogen Action of Gravity Field in inner bag 21 and to obtain liquid nitrogen content in current inner bag 21 how many, thus import the force value got into controller, current force value intuitively shows for reference with numeral by light-emitting diode display by controller on the one hand, on the other hand, after being processed, according to current liquid nitrogen content, the switch of Controlling solenoid valve to fill liquid nitrogen, thus guarantees the cold storage effect of liquid nitrogen container.Preferably, use to further facilitate user, this tank body 20 is provided with a handle (not shown).
In sum, be only the preferred embodiment of the utility model, do not limit protection domain of the present utility model with this, all equivalence changes done according to the utility model the scope of the claims and description with modify, be all within scope that the utility model patent contains.
Claims (6)
1. the liquid nitrogen container stored for stem cell low temperature, comprise the tank body with opening, gag, described gag is detachable to be covered in the openend of described tank body, and the described tank body outer courage that comprises high-strength aluminum alloy manufacture and the inner bag that made by stainless steel, a vacuum interlayer is formed between described outer courage and inner bag, it is characterized in that: described outer courage is coated with the high temperature modification getter layer of normal temperature near the surface of this inner bag side, described inner bag is provided with heat insulation layer near the surface of this outer courage side, described heat insulation layer is the aluminium foil that surface scribbles paraffin, and be filled with pearlife in this vacuum interlayer.
2. as claimed in claim 1 a kind of for stem cell low temperature store liquid nitrogen container, it is characterized in that: described high temperature modification getter layer is propane diols layer.
3. as claimed in claim 1 a kind of for stem cell low temperature store liquid nitrogen container, it is characterized in that: the surface that described outer courage contacts with air has scribbled bi-component rapid curing liquid coating.
4. as claimed in claim 3 a kind of for stem cell low temperature store liquid nitrogen container, it is characterized in that: bottom described inner bag, be provided with pressure sensor, described tank body is provided with the liquid nitrogen pipes be connected with this inner bag, described liquid nitrogen pipes is provided with solenoid electric valve to control the folding of this liquid nitrogen pipes, described gag is also provided with a controller, and described solenoid electric valve, pressure sensor are electrical connected respectively at described controller.
5. as claimed in claim 4 a kind of for stem cell low temperature store liquid nitrogen container, it is characterized in that: described controller comprises a light-emitting diode display to show the liquid nitrogen weight in described inner bag.
6. as claimed in claim 1 a kind of for stem cell low temperature store liquid nitrogen container, it is characterized in that: described tank body is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537201.0U CN204070282U (en) | 2014-09-18 | 2014-09-18 | A kind of liquid nitrogen container stored for stem cell low temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537201.0U CN204070282U (en) | 2014-09-18 | 2014-09-18 | A kind of liquid nitrogen container stored for stem cell low temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204070282U true CN204070282U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420537201.0U Expired - Fee Related CN204070282U (en) | 2014-09-18 | 2014-09-18 | A kind of liquid nitrogen container stored for stem cell low temperature |
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| Country | Link |
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| CN (1) | CN204070282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081363A (en) * | 2016-06-06 | 2016-11-09 | 中国科学院合肥物质科学研究院 | A kind of liquid nitrogen zero is lost biological specimen low-temperature storing apparatus |
-
2014
- 2014-09-18 CN CN201420537201.0U patent/CN204070282U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081363A (en) * | 2016-06-06 | 2016-11-09 | 中国科学院合肥物质科学研究院 | A kind of liquid nitrogen zero is lost biological specimen low-temperature storing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20180918 |