CN207778850U - Low-temperature storing apparatus - Google Patents

Abstract

The utility model is related to a kind of low-temperature storing apparatus, including outer box and the inner box being sheathed in the outer box, the inside of the inner box is set as vacuum storage chamber, for storing the biological reagent for needing oxygen barrier placement, also freeze simultaneously using the refrigerating plant, to ensure that the vacuum storage chamber can maintain lower temperature for a long time, for storing the biological reagent for keeping bioactivity under cryogenic；To sum up, low-temperature storing apparatus described in the utility model can not only provide the storage condition of vacuum, moreover it is possible to lower temperature is maintained at for a long time, so as to meet the storage condition of low-temperature storage biological reagent.

Description

Low-temperature storing apparatus

Technical field

The utility model belongs to reagent technical field of memory, and in particular to a kind of low-temperature storing apparatus.

Background technology

Bio-feritlizer is so that crops is obtained the product of specific fertilizer effect by microbial fermentation, and bio-feritlizer can Soil is improved, that is, improves soil physical and chemical property, enhancing soil water-retaining, fertilizer conservation, the ability of fertilizer.Beneficial micro- life in bio-feritlizer Object enters after soil forms mutual symbiosis Relationship With Proliferation with Soil Microorganism, and harmful bacteria is inhibited to grow and be converted into beneficial Bacterium, interaction, mutually promotes, and plays the synergistic effect of group, and beneficial bacterium generates a large amount of metabolism during growth and breeding Product promotes the decomposition and inversion of organic matter, directly or indirectly can provide a variety of nutrition and pungent for crop, promotes and adjusts Control plant growth.Soil porosity is improved, penetrating exchangeability and plant survival rate increase beneficial bacterium and edaphon and kind Group.Meanwhile the advantage profitable strain formed in crop root can inhibit harmful pathogen procreation, enhance the degeneration-resistant disease-resistant energy of crop Power reduces the disease index of continuous cropping crop, and application year after year can alleviate continuous cropping obstacle significantly.

However, due to prepare the biological reagent that bio-feritlizer uses must store under given conditions could keep its biology Activity, it is more demanding to storage device, if storage device cannot be met the requirements, it will the bioactivity of biological reagent is caused to drop It is low, the final performance for influencing bio-feritlizer.

Utility model content

In order to solve the above problem of the existing technology, the utility model provide one kind be capable of providing vacuum environment and With refrigerating function, meet the low-temperature storing apparatus of the special storage condition of biological reagent.

Technical solution used by the utility model is：

A kind of low-temperature storing apparatus, including outer box and the inner box being sheathed in the outer box, the top setting of the outer box Opening, the opening sealed set have lid, the down-set protrusion in center of the lid, the protrusion and the inner box Top is tightly connected；

The inside of the inner box is set as vacuum storage chamber, and setting vacuum extractor is connect with the inner box；

Connection setting refrigerating plant in space between the outer box and inner box.

The vacuum extractor includes vacuum pump for being vacuumized to the inner box and prevents impurity from entering vacuum pump Vacuum buffer tank.

The refrigerating plant includes evaporator, compressor, condenser and the throttle valve for being sequentially connected setting and forming cycle.

Temperature sense probe is arranged in the inside bottom wall of the outer box.

Controller is also set up, the controller is electrically connected with the temperature sense probe.

The surrounding of the outer box and bottom are double-layer structure, and vacuum is formed between the internal layer and outer layer of the double-layer structure Insulating layer.

The internal layer is stainless steel layer, and outer layer is heat preservation rock layer.

Aluminium layer is coated on the inner wall of the stainless steel layer.

The first sealing ring is arranged in the opening and the junction of the lid；

The second sealing ring is arranged in the protrusion and the junction of the inner box.

The inner box is transparent material, and the position setting observation window of the inner box is corresponded in the outer box.

The beneficial effects of the utility model are：

Low-temperature storing apparatus described in the utility model, including outer box and the inner box that is sheathed in the outer box, it is described in The inside of box is set as vacuum storage chamber, for storing the biological reagent for needing oxygen barrier placement, while also being filled using the refrigeration It sets and freezes, to ensure that the vacuum storage chamber can maintain lower temperature for a long time, for being stored in low temperature item The biological reagent of bioactivity is kept under part；To sum up, low-temperature storing apparatus described in the utility model can not only provide vacuum Storage condition, moreover it is possible to lower temperature is maintained at for a long time, so as to meet the storage condition of low-temperature storage biological reagent.

Description of the drawings

Fig. 1 is the structural schematic diagram for the low-temperature storing apparatus that the utility model one embodiment provides.

In figure：1- outer box, 2- inner boxs, 3- lids, 31- protrusions, 4- vacuum extractors, 41- vacuum pumps, 42- vacuum buffers Tank, 5- refrigerating plants, 51- evaporators, 52- compressors, 53- condensers, 54- throttle valves, 6- temperature sense probes, 7- first are close Seal, the second sealing rings of 8-, 9- controllers.

Specific implementation mode

As shown in Figure 1, the utility model provides a kind of low-temperature storing apparatus, including outer box 1 and it is sheathed on the outer box 1 Interior inner box 2, the top setting opening of the outer box 1, the opening sealed set have a lid 3, the center of the lid 3 to Lower setting protrusion 31, described raised 31 and the top of the inner box 2 are tightly connected；The inside of the inner box 2 is set as vacuum storage Chamber connect setting vacuum extractor 4 with the inner box 2；Connection setting system in space between the outer box 1 and inner box 2 Device for cooling 5.

Low-temperature storing apparatus described in the utility model needs oxygen barrier put using the vacuum storage chamber storage of the inner box 2 The biological reagent set, while also freezing using the refrigerating plant 5, to ensure that the vacuum storage chamber can be for a long time Lower temperature is maintained, for storing the biological reagent for keeping bioactivity under cryogenic；It is described in the utility model Low-temperature storing apparatus can not only provide the storage condition of vacuum, moreover it is possible to lower temperature is maintained at for a long time, so as to meet The storage condition of low-temperature storage biological reagent.

As the embodiment that can be selected, the vacuum extractor 4 includes the vacuum for being vacuumized to the inner box 2 Pump 41 and prevent impurity from entering the vacuum buffer tank 42 of vacuum pump 41, using the vacuum extractor 4 to inside the inner box 2 into Row vacuumizes, to ensure to maintain vacuum state in inner box 2.

As the embodiment that can be selected, the heating device 5 be sequentially connected setting and formed cycle evaporator 51, Compressor 52, condenser 53 and throttle valve 54, evaporator 51 evaporate refrigerant to form gaseous refrigerant, utilize compressor later 52 suck gaseous refrigerant, are compressed into high temperature and high pressure steam, and high temperature and high pressure steam is condensed into medium temperature using condenser 53 Highly pressurised liquid carries out throttling to medium temperature highly pressurised liquid followed by throttle valve 54 and forms low temperature and low pressure liquid, the low-temp low-pressure liquid Body enters the heat absorption evaporation of evaporator 51 and forms low temperature low pressure gas (gaseous refrigerant), and the low temperature low pressure gas is again by compressor 52 Sucking and so on forms cycle.

As the embodiment that can be selected, temperature sense probe 6 is arranged in the inside bottom wall of the outer box 1.Further make For the embodiment that can be selected, controller 9 is also set up, the controller 9 is electrically connected with the temperature sense probe 6.To First with 9 set temperature of the controller, the refrigerating plant 5 is recycled to freeze, is visited later using the temperature sense First 6 timely feedback the temperature signal sensed to controller 9, and when temperature reaches setting value, controller 9 provides order, system Device for cooling is stopped.

As the embodiment that can be selected, the surrounding of the outer box 1 and bottom are double-layer structure, the double-layer structure Internal layer and outer layer between form vacuum heat-insulating layer.The internal layer is stainless steel layer, and outer layer is heat preservation rock layer, described to ensure Outer box 1 have preferable heat-insulating property.It is further used as the embodiment that can be selected, is coated on the inner wall of the stainless steel layer There is aluminium layer, to reduce heat transfer and heat radiation, further increases the heat-insulating property of outer box 1.

As the embodiment that can be selected, the first sealing ring 7 is arranged in the opening and the junction of the lid 3, has Conducive to the sealing performance on raising 1 top of outer box and 3 junction of the lid.

The second sealing ring 8 is set with the junction of the inner box 2 as the embodiment that can be selected, described raised 31, Be conducive to improve the sealing performance on 2 top of the inner box and raised 31 junction.

As the embodiment that can be selected, the inner box 2 is transparent material, and the inner box 2 is corresponded in the outer box 1 Observation window is arranged in position, and the convenient storage reagent in inner box 2 observe and detect in time.

The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model Other various forms of products, however, make any variation in its shape or structure, it is every that there is same as the present application or phase Approximate technical solution, all falls within the scope of protection of the utility model.

Claims (10)

1. a kind of low-temperature storing apparatus, which is characterized in that including outer box (1) and the inner box (2) being sheathed in the outer box (1), The top setting opening of the outer box (1), the opening sealed set have a lid (3), and the center of the lid (3) is to dividing into It sets raised (31), the protrusion (31) and the top of the inner box (2) are tightly connected；

The inside of the inner box (2) is set as vacuum storage chamber, and setting vacuum extractor (4) is connect with the inner box (2)；

Setting refrigerating plant (5) is connect in space between the outer box (1) and inner box (2).

2. low-temperature storing apparatus according to claim 1, which is characterized in that the vacuum extractor (4) include for pair Vacuum pump (41) that the inner box (2) vacuumizes and prevent impurity from entering the vacuum buffer tanks (42) of vacuum pump (41).

3. low-temperature storing apparatus according to claim 1, which is characterized in that the refrigerating plant (5) includes being sequentially connected It is arranged and is formed evaporator (51), compressor (52), condenser (53) and the throttle valve (54) of cycle.

4. low-temperature storing apparatus according to claim 3, which is characterized in that the inside bottom wall setting temperature of the outer box (1) Spend inductive probe (6).

5. low-temperature storing apparatus according to claim 4, which is characterized in that also set up controller (9), the controller (9) it is electrically connected with the temperature sense probe (6).

6. low-temperature storing apparatus according to claim 1, which is characterized in that the surrounding of the outer box (1) and bottom are Double-layer structure forms vacuum heat-insulating layer between the internal layer and outer layer of the double-layer structure.

7. low-temperature storing apparatus according to claim 6, which is characterized in that the internal layer is stainless steel layer, and outer layer is to protect Warm rock wool layer.

8. low-temperature storing apparatus according to claim 7, which is characterized in that be coated with aluminium on the inner wall of the stainless steel layer Layer.

9. low-temperature storing apparatus according to claim 1, which is characterized in that the connection of the opening and the lid (3) Place's the first sealing ring of setting (7)；

The second sealing ring (8) is arranged in the protrusion (31) and the junction of the inner box (2).

10. low-temperature storing apparatus according to claim 1, which is characterized in that the inner box (2) is transparent material, described The position setting observation window of the inner box (2) is corresponded in outer box (1).