CN106477175A - Gas phase liquified nitrogen biology holding vessel - Google Patents
Gas phase liquified nitrogen biology holding vessel Download PDFInfo
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- CN106477175A CN106477175A CN201611044217.8A CN201611044217A CN106477175A CN 106477175 A CN106477175 A CN 106477175A CN 201611044217 A CN201611044217 A CN 201611044217A CN 106477175 A CN106477175 A CN 106477175A
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- liquid nitrogen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2069—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to a kind of gas phase liquified nitrogen biology holding vessel, belong to biomedicine technical field.It includes vacuum tank skin, positioned at the inner chamber in this vacuum tank skin and connect the tank mouth outside this inner chamber and described vacuum tank skin, described interior intracavity has the intracavity liquid nitrogen layer positioned at bottom and is located at the frozen body panel above this intracavity liquid nitrogen layer, it is placed with frozen frame on this frozen body panel, and it is provided with liquid nitrogen storage chamber between its vacuum tank skin and inner chamber, and by liquid supplementation pipe by this liquid nitrogen storage chamber communication with cavity, it is added significantly to the liquid nitrogen capacity in tank body, decrease the liquid nitrogen vaporization of inner chamber body, also improve the temperature uniformity in tank body, reduce liquid nitrogen consumption, thus overall significantly reduce use cost, simultaneously, reduce the number of times replacing external liquid nitrogen container and usage frequency, make routine use and maintenance more convenient, and the gas phase liquified nitrogen biology storage jar structure of the present invention is simple, range of application is also quite extensive.
Description
Technical field
The present invention relates to biomedicine technical field, particularly to low temperature technical field of memory, specifically refer to a kind of gas phase
Liquified nitrogen biology holding vessel.
Background technology
At present in biological research fields and clinical treatment field, associated user is protected using gas phase liquified nitrogen biology holding vessel in a large number
Deposit biological specimen.Particularly all must ensure cell using this equipment in unbilical blood bank, all kinds of stem cell bank, immunocyte storehouse
Safe storage.
Gas phase liquified nitrogen biology holding vessel is large-size stainless steel container, surrounding parcel vacuum heat-insulating layer, external liquid nitrogen supplying tank,
By the continuous evaporative cooling of liquid nitrogen in gas phase liquified nitrogen biology holding vessel, to ensure the low temperature storage of biological specimen.Its product product
Matter require on the premise of ensureing that cavity temperature is held below -150 DEG C, as far as possible reduce include gas phase liquified nitrogen biology holding vessel and
The liquid nitrogen consumption of liquid nitrogen supply system of attaching troops to a unit, to reduce liquid nitrogen consuming cost.
Due to gas phase liquified nitrogen biology holding vessel manufacturing process material difficulty greatly, this product is foreign corporation for a long time
Monopolization.In recent years, this equipment of Ye You domestic corporation development ＆ production, but unsatisfactory in terms of liquid nitrogen system consumption.
Gas phase liquified nitrogen biology holding vessel structural representation of the prior art is as shown in Figure 1.
Its substantially operation principle is to find out liquid level when level sensor and be less than set liquid nitrogen level height, level detection
By signal transmission to master control, signal transmission is given supply electromagnetic valve to device by master control, and supply electromagnetic valve is opened, liquid nitrogen supplying tank by with
The liquid nitrogen delivery hose of connection supply electromagnetic valve irrigates liquid nitrogen to gas phase liquified nitrogen biology holding vessel.When level sensor finds out liquid level
Reach set liquid nitrogen level, level sensor by signal transmission to master control, is given supply electromagnetic valve, mend by master control by signal transmission
To closed electromagnetic valve, stop perfusion liquid nitrogen.
The continuous evaporative cooling of liquid nitrogen in gas phase liquified nitrogen biology holding vessel, frozen frame is in liquid nitrogen vapor environment.Due to liquid
Nitrogen consumes in continuous evaporation, and in tank body liquid nitrogen amount of storage less it is necessary to connect liquid nitrogen supplying tank always to guarantee liquid nitrogen supply.
This workflow existing defects, will be significantly increased the consumption of liquid nitrogen and other risk, below with frozen 40,000 samples
Illustrate as a example the gas phase liquified nitrogen biology holding vessel of this cryopreservation tube and supporting 180 liters of liquid nitrogen supplying tanks that its defect is located.
The daily static additional issue amount of gas phase liquified nitrogen biology holding vessel is 8 liters/day；
The daily static additional issue amount of liquid nitrogen delivery hose pipeline is 1 liter/day；
The daily static additional issue amount of liquid nitrogen supplying tank is 2%, and, daily static state is issued additional taking 180 liters of liquid nitrogen charging-tanks as a example
Measure as 3.6 liters/day；
Since it is desired that after in liquid nitrogen supplying tank, liquid nitrogen runs out of substantially, the canful liquid nitrogen supplying tank that more renews, user
General using leasing liquid nitrogen supplying tank pattern.Liquid nitrogen supplying tank is provided by liquid nitrogen supplier, the liquid nitrogen supplying tank that they are provided
Very different, and user also no relevant professional knowledge goes to distinguish the quality of liquid nitrogen supplying tank.Because these liquid nitrogen supply
To tank, rotation at different clients uses for a long time, and maintenance is not good at it is impossible to guarantee vacuum, and such liquid nitrogen static state additional issue amount increases；
Cannot guarantee that all of liquid nitrogen can be all transported to gas phase liquified nitrogen biology holding vessel by pressure inside the tank, have about 20% liquid nitrogen residual
Stay, loss altogether is 36 liters taking 180 liters of liquid nitrogen charging-tanks as a example.
Calculated as follows by data above：
(180 36) ÷ (8+1+3.6)=11.4 day
Liquid nitrogen supplying tank must be changed within 11.4 days.This is equivalent to daily liquid nitrogen consumption is 180 ÷ 11.4=15.79
Liter/sky.The liquid nitrogen consumption having half among these is caused by liquid nitrogen supply system.Supply liquid nitrogen unit price one with liquid nitrogen supplying tank
As for 3-5 unit/liter, with 3 yuan/liter calculate：
3 × 15.79=47.73 unit/sky
47.73 × 365=17421 unit/year
Further need exist for counting 300 yuan of liquid nitrogen charging-tank rent monthly in.
It can be seen that, the defect using gas phase liquified nitrogen biology storage tank of the prior art is：
A liquid nitrogen consumption is huge, need to pay high liquid nitrogen expense every year；
B liquid nitrogen supplying tank is changed frequently, and customer experience degree is poor；
C changes different liquid nitrogen charging-tanks every time, and quality cannot ensure there is various quality and potential safety hazard.
Content of the invention
The purpose of the present invention is to overcome above-mentioned shortcoming of the prior art, provide a kind of without outreaching liquid nitrogen supplying tank
Gas phase nitrogen storage tank also can normal work for a long time, thus a whole set of liquid nitrogen cryopreservation system liquid nitrogen evaporation rate is greatly lowered, significantly
Reduce liquid nitrogen alternate frequency, avoid the chain reaction that the quality problems of liquid nitrogen supplying tank lead to simultaneously, lease without flower again
Take, reduce the new gas phase liquified nitrogen biology holding vessel of overall use cost.
In order to realize above-mentioned purpose, the gas phase liquified nitrogen biology holding vessel of the present invention has following composition：
This gas phase liquified nitrogen biology holding vessel includes vacuum tank skin, the inner chamber being located in this vacuum tank skin and connects this inner chamber
And the tank mouth outside described vacuum tank skin, described interior intracavity has the intracavity liquid nitrogen layer positioned at bottom and is located at this intracavity liquid
Frozen body panel above nitrogen layer, this frozen body panel is placed with frozen frame.Described vacuum tank skin and described inner chamber it
Between be provided with liquid nitrogen storage chamber, this liquid nitrogen storage chamber is by the described inner chamber of liquid supplementation pipe connection.
In this gas phase liquified nitrogen biology holding vessel, described vacuum tank skin includes the inlet side wall being interconnected and vacuum tank
Bottom, described liquid nitrogen storage chamber is arranged between described inlet side wall and described inner chamber.
In this gas phase liquified nitrogen biology holding vessel, described liquid supplementation pipe includes liquid nitrogen storage chamber liquid supplementation pipe and inner chamber liquid supplementation pipe,
The liquid nitrogen storage chamber described in the connection of one end of described liquid nitrogen storage chamber liquid supplementation pipe, its other end is located at this gas phase liquified nitrogen biology and stores up
Deposit outside tank, in order to connect outside liquid nitrogen container, one end of described inner chamber liquid supplementation pipe connects described inner chamber, and its other end connects institute
The liquid nitrogen storage chamber liquid supplementation pipe stated.
In this gas phase liquified nitrogen biology holding vessel, the one of the described liquid nitrogen storage chamber liquid supplementation pipe of described inner chamber liquid supplementation pipe connection
End is located at outside described gas phase liquified nitrogen biology holding vessel.
This gas phase liquified nitrogen biology holding vessel, also includes connecting the automatic of described liquid nitrogen storage chamber liquid supplementation pipe and inner chamber liquid supplementation pipe
Control module.
In this gas phase liquified nitrogen biology holding vessel, described automatic control module include infuse control valve, fluid infusion control valve and
Controller, described transfusion control valve is arranged at one end that described liquid nitrogen storage chamber liquid supplementation pipe connects outside liquid nitrogen container, described
Fluid infusion control valve be connected to one end of the described liquid nitrogen storage chamber liquid supplementation pipe of described inner chamber liquid supplementation pipe connection, described control
Device connects and controls described transfusion control valve and fluid infusion control valve.
In this gas phase liquified nitrogen biology holding vessel, described automatic control module also includes being all connected with the inner chamber of described controller
Level sensor and liquid nitrogen storage chamber level sensor, described inner chamber level sensor is arranged at described interior intracavity near bottom
Position, described liquid nitrogen storage chamber level sensor is arranged at described liquid nitrogen and stores the position near bottom for the intracavity.
Employ the gas phase liquified nitrogen biology holding vessel of this invention, because it is provided with liquid nitrogen between vacuum tank skin and inner chamber
Storage chamber, and by liquid supplementation pipe by this liquid nitrogen storage chamber communication with cavity, it is added significantly to the liquid nitrogen capacity in tank body, decrease interior
The liquid nitrogen vaporization of cavity, also improves the temperature uniformity in tank body, reduces liquid nitrogen consumption, thus overall significantly reduce
Use cost, meanwhile, reduces the number of times replacing external liquid nitrogen container and usage frequency, makes routine use and maintenance more convenient, and
The gas phase liquified nitrogen biology storage jar structure of the present invention is simple, and range of application is also quite extensive.
Brief description
Fig. 1 is gas phase liquified nitrogen biology holding vessel structural representation of the prior art.
Fig. 2 is the gas phase liquified nitrogen biology holding vessel structural representation of the present invention.
Specific embodiment
In order to be more clearly understood that the technology contents of the present invention, describe in detail especially exemplified by following examples.
Refer to shown in Fig. 2, be the gas phase liquified nitrogen biology holding vessel structural representation of the present invention.
In one embodiment, this gas phase liquified nitrogen biology holding vessel includes vacuum tank skin 1, is located in this vacuum tank skin 1
Inner chamber and connect this inner chamber and the tank mouth 11 in described vacuum tank skin 1 outside, described interior intracavity has in bottom
Chamber liquid nitrogen layer 5 and the frozen body panel 4 being located at this intracavity liquid nitrogen layer 5 top, this frozen body panel 4 is placed with frozen frame 3,
It is provided with liquid nitrogen storage chamber 2, this liquid nitrogen storage chamber 2 passes through liquid supplementation pipe 12 even between described vacuum tank skin 1 and described inner chamber
Logical described inner chamber.
In one kind more preferably embodiment, described vacuum tank skin 1 includes the inlet side wall being interconnected and vacuum
Tank bottoms, described liquid nitrogen storage chamber 2 is arranged between described inlet side wall and described inner chamber.
In another more preferably embodiment, described liquid supplementation pipe 12 includes liquid nitrogen storage chamber liquid supplementation pipe and inner chamber is mended
Liquid pipe, one end of described liquid nitrogen storage chamber liquid supplementation pipe connects described liquid nitrogen storage chamber 2, and its other end is located at this gas phase liquid nitrogen
Outside biological holding vessel, in order to connect outside liquid nitrogen container, one end of described inner chamber liquid supplementation pipe connects described inner chamber, its other end
The described liquid nitrogen storage chamber liquid supplementation pipe of connection.Wherein, the described liquid nitrogen storage chamber liquid supplementation pipe of described inner chamber liquid supplementation pipe connection
One end may be disposed at outside described gas phase liquified nitrogen biology holding vessel.
In further preferred embodiment, this gas phase liquified nitrogen biology holding vessel also includes connecting described liquid nitrogen storage chamber
Liquid supplementation pipe and the automatic control module of inner chamber liquid supplementation pipe.This automatic control module includes infuse control valve 7, fluid infusion control valve 8 and
Controller 6, described transfusion control valve 7 is arranged at one end that described liquid nitrogen storage chamber liquid supplementation pipe connects outside liquid nitrogen container, institute
The fluid infusion control valve 8 stated is connected to one end of the described liquid nitrogen storage chamber liquid supplementation pipe of described inner chamber liquid supplementation pipe connection, described
Controller 6 connects and controls described transfusion control valve 7 and fluid infusion control valve 8.
In preferred embodiment, described automatic control module also includes being all connected with the inner chamber of described controller 6
Level sensor 9 and liquid nitrogen storage chamber level sensor 10, it is close that described inner chamber level sensor 9 is arranged at described interior intracavity
The position of bottom, described liquid nitrogen storage chamber level sensor 10 is arranged at the position in described liquid nitrogen storage chamber 2 near bottom
Put.
In actual applications, the present invention is increase liquid nitrogen storage chamber 2 in original gas phase liquified nitrogen biology holding vessel, by liquid nitrogen
Liquid nitrogen in storage chamber 2 supplements liquid nitrogen to the intracavity liquid nitrogen layer 5 in gas phase liquified nitrogen biology holding vessel.Namely external liquid nitrogen
Supplying tank is built in gas phase liquified nitrogen biology holding vessel, and realizing two equipment and two is one.
This gas phase liquified nitrogen biology holding vessel workflow is as follows：
Find out liquid level when inner chamber level sensor 9 and be less than set liquid nitrogen level height, level sensor 9 is by signal transmission
To master control 6 (controller), master control 6 by signal transmission to fluid supplement solenoid valve 8, open, in liquid nitrogen storage chamber 2 by fluid supplement solenoid valve 8
Liquid nitrogen passes through to feed pipe 12 to inner chamber liquid nitrogen layer 5 perfusion liquid nitrogen.Find out liquid level when inner chamber level sensor 9 and reach set liquid
Nitrogen liquid level, by signal transmission to master control 6, master control 6 is by signal transmission to fluid supplement solenoid valve 8, fluid infusion electromagnetism for inner chamber level sensor 9
Valve 8 cuts out, and stops perfusion liquid nitrogen.
In the liquid nitrogen storage chamber 2 of gas phase liquified nitrogen biology holding vessel of the present invention, liquid nitrogen perfusion workflow is as follows：
Find out liquid level when liquid nitrogen storage chamber level sensor 10 and be less than set liquid nitrogen level height, liquid nitrogen storage chamber liquid level
By signal transmission to master control 6, master control 6 display alarm requires supplementation with liquid nitrogen to detector 10, notifies liquid nitrogen supplier to fill liquid nitrogen,
Transfusion electromagnetic valve 7 is opened, and supplements liquid nitrogen to liquid nitrogen storage chamber 2.Find out liquid level when liquid nitrogen storage chamber level sensor 10 to reach
Set liquid nitrogen level, by signal transmission to master control 6, signal transmission is given transfusion to liquid nitrogen storage chamber level sensor 10 by master control 6
Electromagnetic valve 7, transfusion electromagnetic valve 7 cuts out, and stops perfusion liquid nitrogen.Liquid nitrogen supplier will take away liquid nitrogen supplying tank, gas phase liquified nitrogen biology
Holding vessel independent operating.
External liquid nitrogen supplying tank is become built-in by this innovation structure design of the present invention, is added significantly in tank body
Liquid nitrogen capacity, fundamentally solves the original design series of problems bringing, significantly reduces liquid nitrogen consumption, specifically have
Advantages below：
1st, without long long external liquid nitrogen delivery hose, it is to avoid liquid nitrogen loss；
Even if the 2, built-in liquid nitrogen storage cavity has liquid nitrogen to remain, also will not be lost in vain, continue to play cooling effect.
In original design, the residual liquid nitrogen of liquid nitrogen filling tank will be taken away by liquid nitrogen supplier during changing liquid nitrogen filling tank；
3rd, in liquid nitrogen storage chamber body, conduction of heat is passed through in side, also plays the cooling effect for inner chamber body, both decreased
The liquid nitrogen vaporization of inner chamber body, also improves the temperature uniformity in tank body；
4th, the liquid nitrogen vapor temperature in liquid nitrogen storage chamber body is less than -150 DEG C, also can play cooling effect to inner chamber body, no
Can waste as external liquid nitrogen supplying tank；
5th, because liquid nitrogen storage cavity and inner chamber body are all in the parcel of vacuum layer, the factor of impact conduction of heat in vacuum layer
There are not material alterationses, therefore liquid nitrogen additional issue rate and conventional gas-phase liquid nitrogen storage tank does not have big change；
6th, liquid nitrogen storage cavity fluid infusion once completes, without leasing liquid nitrogen charging-tank again；
7th, because overall liquid nitrogen consumption reduces, liquid nitrogen cavity fluid infusion frequency is reduced, substantially increases ease of use；
8th, master control setting liquid feeding calculating instrument, prevents liquid nitrogen supplier from using inferior materials and turning out substandard goods.
As a example the same new gas phase liquid nitrogen storage tank to store 40,000 cryopreservation tubes：
Inner chamber body diameter 100cm, internal height 100cm, outside spacing 6cm in liquid nitrogen cavity, liquid nitrogen cavity internal volume is
200L, irrigates 180L every time.
Table 1 expense synopsis
As along with monthly 300 yuan of liquid nitrogen supplying tank rent, both every annual costs differ 12130 yuan (17290+300 ×
12) 8760=12130, client saves 58% expense.The service life of gas phase nitrogen storage tank is 20 years, 20 annual costs
242600 yuan of difference.Also reduce the replacing liquid nitrogen charging-tank number of times of half and various artificial.
As can be seen here, the new gas phase liquified nitrogen biology holding vessel of the present invention is greatly lowered liquid nitrogen loss, decreases liquid nitrogen
Quantity delivered and supply frequency, bring great economic benefit to user.Simultaneously because energy-saving consumption-reducing also brings great social profit.
Employ the gas phase liquified nitrogen biology holding vessel of this invention, because it is provided with liquid nitrogen between vacuum tank skin and inner chamber
Storage chamber, and by liquid supplementation pipe by this liquid nitrogen storage chamber communication with cavity, it is added significantly to the liquid nitrogen capacity in tank body, decrease interior
The liquid nitrogen vaporization of cavity, also improves the temperature uniformity in tank body, reduces liquid nitrogen consumption, thus overall significantly reduce
Use cost, meanwhile, reduces the number of times replacing external liquid nitrogen container and usage frequency, makes routine use and maintenance more convenient, and
The gas phase liquified nitrogen biology storage jar structure of the present invention is simple, and range of application is also quite extensive.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that still can make
Various modifications and alterations are without departing from the spirit and scope of the present invention.Therefore, specification and drawings be considered as illustrative
And it is nonrestrictive.
Claims (7)
1. a kind of gas phase liquified nitrogen biology holding vessel, the inner chamber including vacuum tank skin, being located in this vacuum tank skin and to connect this interior
Tank mouth outside chamber and described vacuum tank skin, described interior intracavity has the intracavity liquid nitrogen layer positioned at bottom and is located at this inner chamber
Frozen body panel above liquid nitrogen layer, this frozen body panel is placed with frozen frame it is characterised in that described vacuum tank skin with
It is provided with liquid nitrogen storage chamber, this liquid nitrogen storage chamber is by the described inner chamber of liquid supplementation pipe connection between described inner chamber.
2. gas phase liquified nitrogen biology holding vessel according to claim 1 is it is characterised in that described vacuum tank skin includes mutually
The inlet side wall of connection and vacuum tank bottom, described liquid nitrogen storage chamber be arranged at described inlet side wall and described inner chamber it
Between.
3. gas phase liquified nitrogen biology holding vessel according to claim 1 is it is characterised in that described liquid supplementation pipe includes liquid nitrogen deposits
Storage chamber liquid supplementation pipe and inner chamber liquid supplementation pipe, one end of described liquid nitrogen storage chamber liquid supplementation pipe connects described liquid nitrogen storage chamber, and it is another
One end is located at outside this gas phase liquified nitrogen biology holding vessel, and in order to connect outside liquid nitrogen container, one end of described inner chamber liquid supplementation pipe connects
Described inner chamber, the described liquid nitrogen storage chamber liquid supplementation pipe of its other end connection.
4. gas phase liquified nitrogen biology holding vessel according to claim 3 is it is characterised in that described inner chamber liquid supplementation pipe connects institute
The one end of the liquid nitrogen storage chamber liquid supplementation pipe stated is located at outside described gas phase liquified nitrogen biology holding vessel.
5. gas phase liquified nitrogen biology holding vessel according to claim 3 is it is characterised in that also include connecting described liquid nitrogen storage
Chamber liquid supplementation pipe and the automatic control module of inner chamber liquid supplementation pipe.
6. gas phase liquified nitrogen biology holding vessel according to claim 5 is it is characterised in that described automatic control module includes
Transfusion control valve, fluid infusion control valve and controller, described transfusion control valve is arranged at described liquid nitrogen storage chamber liquid supplementation pipe even
Connect one end of outside liquid nitrogen container, described fluid infusion control valve is connected to the described liquid nitrogen storage chamber of described inner chamber liquid supplementation pipe connection
One end of liquid supplementation pipe, described controller connects and controls described transfusion control valve and fluid infusion control valve.
7. gas phase liquified nitrogen biology holding vessel according to claim 6 is it is characterised in that described automatic control module also wraps
Include the inner chamber level sensor being all connected with described controller and liquid nitrogen storage chamber level sensor, described inner chamber level sensor
It is arranged at described interior intracavity near the position of bottom, described liquid nitrogen storage chamber level sensor is arranged at described liquid nitrogen storage
Intracavity is near the position of bottom.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611044217.8A CN106477175A (en) | 2016-11-24 | 2016-11-24 | Gas phase liquified nitrogen biology holding vessel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611044217.8A CN106477175A (en) | 2016-11-24 | 2016-11-24 | Gas phase liquified nitrogen biology holding vessel |
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ID=58275108
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| CN201611044217.8A Pending CN106477175A (en) | 2016-11-24 | 2016-11-24 | Gas phase liquified nitrogen biology holding vessel |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107145110A (en) * | 2017-06-22 | 2017-09-08 | 陈子江 | Liquid nitrogen container monitoring method, system, storage medium and electronic equipment |
| CN107258766A (en) * | 2017-06-18 | 2017-10-20 | 广东博溪生物科技有限公司 | A kind of cell freezing method and cells frozen storing liquid |
| CN107576125A (en) * | 2017-09-15 | 2018-01-12 | 上海原能细胞生物低温设备有限公司 | Low-temperature protection device and the low temperature clamping and placing system for including it |
| CN108770835A (en) * | 2018-07-23 | 2018-11-09 | 上海东富龙医疗装备有限公司 | Work chamber is automatically stored in biological sample |
| CN108792294A (en) * | 2018-07-19 | 2018-11-13 | 成都信息工程大学 | Based on microprocessor automatic control type intelligent biological active material storage device |
| CN108820581A (en) * | 2018-07-12 | 2018-11-16 | 山前（珠海）医疗科技有限公司 | A kind of biological sample storage system |
| CN110583618A (en) * | 2019-09-26 | 2019-12-20 | 天晴干细胞股份有限公司 | Efficient air-cooled gas-phase liquid nitrogen biological storage device and use method and application thereof |
| CN110881461A (en) * | 2019-12-12 | 2020-03-17 | 中南百草原集团有限公司 | Sheep sperm liquid transportation method |
| CN111418578A (en) * | 2020-03-30 | 2020-07-17 | 北京科吉照维药剂自动化设备有限公司 | Non-contact liquid nitrogen type biological preservation container and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN107576125A (en) * | 2017-09-15 | 2018-01-12 | 上海原能细胞生物低温设备有限公司 | Low-temperature protection device and the low temperature clamping and placing system for including it |
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| CN108770835A (en) * | 2018-07-23 | 2018-11-09 | 上海东富龙医疗装备有限公司 | Work chamber is automatically stored in biological sample |
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| CN110583618B (en) * | 2019-09-26 | 2021-09-14 | 天晴干细胞股份有限公司 | Efficient air-cooled gas-phase liquid nitrogen biological storage device and use method and application thereof |
| CN110583618A (en) * | 2019-09-26 | 2019-12-20 | 天晴干细胞股份有限公司 | Efficient air-cooled gas-phase liquid nitrogen biological storage device and use method and application thereof |
| CN110881461B (en) * | 2019-12-12 | 2021-10-08 | 中南百草原集团有限公司 | Sheep sperm liquid transportation method |
| CN110881461A (en) * | 2019-12-12 | 2020-03-17 | 中南百草原集团有限公司 | Sheep sperm liquid transportation method |
| CN111418578A (en) * | 2020-03-30 | 2020-07-17 | 北京科吉照维药剂自动化设备有限公司 | Non-contact liquid nitrogen type biological preservation container and system |
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Application publication date: 20170308 |