CN216159418U

CN216159418U - Phase-change heat-conducting type medicine vaccine refrigeration and insulation box

Info

Publication number: CN216159418U
Application number: CN202122155984.9U
Authority: CN
Inventors: 李跃
Original assignee: Suzhou Fuenthe Energy Saving Technology Co ltd; Shanghai University of Engineering Science
Current assignee: Suzhou Fuenthe Energy Saving Technology Co ltd; Shanghai University of Engineering Science
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-04-01
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a phase-change heat-conducting type medicine vaccine refrigeration heat-preservation box, relates to the field of medicine storage and transportation, and aims to solve the problem that the extremely low temperature of-70 ℃ is commonly stored in a research laboratory, but no existing capacity capable of reaching the condition of-70 ℃ exists in China currently in the transportation and connection processes, and the key points of the technical scheme are as follows: the heat exchange device comprises a box body and an inner container arranged in the box body, wherein a containing space is formed between the inner container and the box body, and a heat exchange assembly with one end penetrating through the box body to the outside is arranged in the containing space. The utility model can store the vaccine and other articles at the low temperature of-70 ℃ in the transportation and connection processes.

Description

Phase-change heat-conducting type medicine vaccine refrigeration and insulation box

Technical Field

The utility model relates to the field of medicine storage and transportation, in particular to a phase-change heat-conducting type medicine vaccine refrigeration incubator.

Background

Due to the characteristics of mRNA vaccines, ultra-low temperature environments are required for their storage and transport. According to the current research, the parishin corona mRNA vaccine can be stored for 6 months in an ultralow temperature freezer at-70 ℃, can be stored for 15 days in a parishin special heat preservation transport box continuously added with dry ice, and can be stored for only 5 days in a normal hospital refrigerator at 2-8 ℃.

If such vaccines are to be shipped around the world, it is necessary to ensure that the storage, transport and vaccination processes of the vaccine are maintained at a prescribed, constant refrigeration temperature. The extremely low temperature of-70 ℃ is commonly stored in research laboratories, but the current domestic ability to reach the-70 ℃ condition is not available in the transportation and connection process.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a phase-change heat-conducting type medical vaccine refrigeration and insulation box which can store articles such as vaccines at a low temperature of-70 ℃ in the transportation and connection processes.

The technical purpose of the utility model is realized by the following technical scheme: the phase-change heat-conducting type medicine vaccine refrigerating and insulating box comprises a box body and an inner container arranged in the box body, wherein a containing space is formed between the inner container and the box body, and a heat exchange assembly with one end penetrating through the box body to the outside is arranged in the containing space.

By adopting the technical scheme, the heat exchange assembly is arranged, so that the heat exchange assembly can cool the inside of the heat insulation box in the accommodating space formed between the inner container and the box body of the heat insulation box, and the temperature in the heat insulation box can be kept in a lower state, so that the heat insulation box can store articles such as vaccines at a low temperature of-70 ℃ in the transportation and connection processes, the vaccines in the heat insulation box can be properly protected, and the deterioration caused by temperature problems can be avoided.

The utility model is further configured to: the heat exchange assembly comprises a cooling end and a heat absorption end, wherein the cooling end is located outside the box body, the heat absorption end is located in the accommodating space, and when a temperature difference exists between the cooling end and the heat absorption end, temperature conduction is carried out between the cooling end and the heat absorption end.

Through adopting above-mentioned technical scheme, through setting up cooling end and heat absorption end, just can realize the conduction of temperature when there is the difference in temperature between the two to make people need not additionally to increase too much power original paper and in order to carry out the conduction of temperature.

The utility model is further configured to: the heat exchange assembly further comprises a refrigerant positioned in the cooling end and the heat absorption end, when a temperature difference exists between the cooling end and the heat absorption end, the refrigerant is vaporized from the self-heat absorption end and moves to the cooling end, and the refrigerant is liquefied from the cooling end and moves to the heat absorption end.

By adopting the technical scheme, the refrigerant is arranged, so that the refrigerant can play the main role of heat conduction in the heat exchange assembly, the self-heat-absorbing end is vaporized and moved to the temperature-reducing end when the temperature difference exists between the temperature-reducing end and the heat-absorbing end, and the self-heat-absorbing end is liquefied and moved to the heat-absorbing end.

The utility model is further configured to: the heat exchange assembly is a phase change heat exchanger.

The utility model is further configured to: the heat exchange assembly comprises a steam pipe and a liquid pipe, one end of the steam pipe and one end of the liquid pipe penetrate through the box body to the outside, the steam pipe and the liquid pipe are communicated through a connecting pipe, the steam pipe is located above the liquid pipe, the steam pipe and the liquid pipe are located at one end of the box body, the outside is communicated, and the refrigerant is located in a loop formed by the steam pipe and the liquid pipe.

Through adopting above-mentioned technical scheme, when heat exchange assembly need carry out the heat exchange, the refrigerant in the connecting pipe flows from bottom to top, can carry out the heat exchange with the air in the insulation can, then make the refrigerant take place to evaporate and carry out the heat absorption to turn into the vapour attitude, then remove to the vapour pipe and be located the external one side of box and cool down and condensate into liquid once more, flow into in the liquid pipe under the refrigerant dead weight effect, and be located the below of connecting pipe, repeat above-mentioned operation once more, thereby accomplish the cooling.

The utility model is further configured to: the heat exchange assembly is detachably connected with a flange piece outside one end, which is located outside the box body, and the flange piece is used for being connected with a refrigerating machine head.

Through adopting above-mentioned technical scheme, through setting up flange spare to when making heat exchange assembly be located the external one end of box and need carry out heat exchange with the refrigerator and reduce initial temperature, can carry out thermal transmission through flange spare.

The utility model is further configured to: the flange piece comprises a first flange plate and a second flange plate, wherein the first flange plate and the second flange plate are wrapped on the outer side of one end, located outside the box body, of the heat exchange assembly, and the first flange plate and the second flange plate are detachably connected.

Through adopting above-mentioned technical scheme, when the people needed the flange spare to carry out the heat exchange to refrigeration aircraft nose and heat exchange assemblies, only need make flange dish one and two pairs of heat exchange assemblies of flange dish be located the external one end of box and wrap up to can dismantle the connection, can wrap up in its outside all the time, carry out effectual heat exchange.

The utility model is further configured to: the heat conductivity coefficient of the accommodating space towards one side of the box body is lower than that of the accommodating space towards one side of the inner container.

Through adopting above-mentioned technical scheme, because the coefficient of heat conductivity of accommodation space towards box one side is less than its coefficient of heat conductivity towards inner bag one side to make this insulation can have better heat preservation thermal-insulated effect, box one side can not make heat exchange assembly and external air take place the heat exchange and waste heat exchange assembly's the energy, also can make in the box can not take place the heat exchange with external environment, avoid the low temperature environment in this insulation can to be destroyed.

In conclusion, the utility model has the following beneficial effects:

through setting up heat exchange assembly to make it can form accommodation space between this incubator inner bag and the box in, cool down to the incubator inside, and can make the temperature in the incubator keep lower state, thereby make this incubator in transportation and the in-process of plugging into, carry out-70 ℃ of low temperature to article such as bacterin and preserve, make the bacterin in the incubator can obtain well protection, can not take place rotten circumstances because of the temperature problem.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an exploded view of the present invention;

fig. 5 is an enlarged view at B in fig. 4.

In the figure: 1. a box body; 2. a flange member; 21. a first flange plate; 22. a second flange plate; 23. a U-shaped groove; 24. a hinge; 3. a refrigerating machine head; 4. a phase change heat exchanger; 41. a U-shaped elbow; 42. a steam pipe; 43. a liquid pipe; 44. a connecting pipe; 5. an inner container.

Detailed Description

The utility model is described in detail below with reference to the figures and examples.

Example (b):

the utility model provides a cold-stored insulation can of phase transition heat conduction type medicine bacterin, as shown in figure 1, including box 1 and set up the inner bag 5 in box 1, form accommodation space between inner bag 5 and the box 1, be provided with one end in the accommodation space and run through box 1 to external heat transfer assembly, heat transfer assembly is located the external one end outside of box 1 and can dismantle and be connected with flange spare 2, flange spare 2 is used for being connected with refrigeration aircraft nose 3.

As shown in fig. 4, the inner container 5 is made of metal material, such as stainless steel material, and the box body 1 is made of thermal insulation material, such as LLDPE material, so that the thermal conductivity of the accommodating space facing the box body 1 is lower than that of the accommodating space facing the inner container 5.

Because the coefficient of heat conductivity of inner bag 5 is greater than the coefficient of heat conductivity of box 1, thereby make the thermal-insulated effect of heat preservation of box 1 will get stronger than inner bag 5, when the heat exchange needs to take place in box 1 is inside, heat exchange assembly can take place the heat exchange preferentially with inner bag 5, and can effectively completely cut off its inside heat with the external world through box 1, avoid heat exchange assembly and outside air to take place the heat exchange, avoid heat exchange assembly to increase unnecessary power, make full use of the energy.

As shown in fig. 5, the heat exchange assembly is a phase change heat exchanger 4, the phase change heat exchanger 4 is tightly attached to the inner container 5 by using heat conductive silica gel, and includes a steam pipe 42 and a liquid pipe 43, one end of which penetrates through the box body 1 to the outside, the steam pipe 42 and the liquid pipe 43 are copper pipes, the steam pipe 42 is communicated with the liquid pipe 43 through a connecting pipe 44, the connecting pipe 44 is also a vertically arranged copper pipe, the number of the copper pipes is in direct proportion to the amount of heat generated inside the box body 1, the larger the amount of the heat generated is, the larger the number of the connecting pipes 44 is, the steam pipe 42 is located above the liquid pipe 43, the ends of the steam pipe 42 and the liquid pipe 43, which are located outside the box body 1, are communicated through a U-shaped elbow 41, a sealing rubber sleeve is sleeved on the position where the steam pipe 42 and the liquid pipe 43 penetrate through the box body 1, a refrigerant is located in a loop formed by the steam pipe 42 and the liquid pipe 43, the steam pipe 42, the liquid pipe 43 and the U-shaped elbow 41, which are located outside the box body 1 in the heat exchange assembly form a cooling end, and the steam pipe 42, the liquid pipe 43 and the connecting pipe 44 which are positioned in the accommodating space in the heat exchange assembly form a heat absorption part, when a temperature difference exists between the temperature reduction end and the heat absorption end, the refrigerant is vaporized from the heat absorption end and moves to the temperature reduction end, and the refrigerant is liquefied from the temperature reduction end and moves to the heat absorption end, so that the temperature conduction is carried out between the refrigerant and the heat absorption end.

As shown in fig. 2 and 3, the flange member 2 includes a first flange 21 and a second flange 22 wrapped around the heat exchange assembly at the outer side of the outer end of the box 1, the first flange 21 and the second flange 22 may have a circular, rectangular, oval, polygonal or the like cross section, a U-shaped groove 23 recessed along the thickness direction and penetrating through the outer peripheral wall of the first flange 21 and the second flange 22 is formed at one side facing each other, the two U-shaped grooves 23 form an accommodating groove capable of being attached to a U-shaped elbow 41 and a steam pipe 42 and a liquid pipe 43 located at the outer side of the box 1, the first flange 21 and the second flange 22 are hinged by a hinge 24, the ends of the first flange 21 and the second flange 22 away from the hinge 24 are detachably connected by a snap, and the first flange 21 is connected to the refrigerator head 3.

When people need use this insulation can, can be through the steam pipe 42 on the box 1, liquid pipe 43 and U type elbow 41 imbed the U-shaped groove 23 of ring flange one 21, then turn over a ring flange two 22 through manual mode, make U-shaped groove 23 on it and the U-shaped groove 23 of ring flange one 21 steam pipe 42 on the box 1, liquid pipe 43 and U type elbow 41 parcel enter into the holding tank in, then come the connection to ring flange one 21 and ring flange two 22 through the hasp, can make flange spare 2 be connected the cooling end of refrigerating machine head 3 with heat exchange assemblies this moment.

Then only people need to start the refrigerator, the refrigerator can cool the refrigerant in the cooling end through the refrigerator head 3 and the flange part 2, the temperature of the cooling end is controlled below-70 ℃ by the refrigerator head 3, when the temperature in the insulation can exceeds-70 ℃, the refrigerant in the connecting pipe 44 of the phase change heat exchanger 4 in the insulation can is vaporized and changed from liquid state to vapor state, the heat in the insulation can is absorbed in the vaporization process, the vapor refrigerant flows to the cooling end outside the box body 1 through the vapor pipe 42 to exchange heat with the refrigerator head 3, the cold energy of the refrigerator head 3 is absorbed, the heat is liquefied after being released and is changed from vapor state to liquid state, the liquid refrigerant returns to the bottom of the vapor pipe 42 in the insulation can through the liquid pipe 43 under the action of gravity, the heat is absorbed and is vaporized again in the insulation can, the process is repeatedly circulated, as long as the temperature in the insulation can highly refrigerate the temperature of the refrigerator head 3, the circulation work that phase change heat exchanger 4 can not stop promptly, derives the heat in the insulation can from inside, and the transmission is cooled down for refrigerating machine head 3, and phase change heat exchanger 4 carries out work through the difference in temperature between the insulation can inside and refrigerating machine head 3, and work need not moving part and external power, and simple structure, operation are reliable.

Meanwhile, aiming at the mRNA vaccine which needs to be stored and transported under the ultralow temperature condition below 70 ℃ below zero, the cold storage and insulation box which is high in reliability, simple in structure and convenient to use is provided, and meanwhile, in the transporting and connecting process, the rapid switching can be carried out, so that the rapid proceeding of the inoculation work is facilitated.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a cold-stored insulation can of phase transition heat conduction type medicine bacterin, includes box (1) and sets up inner bag (5) in box (1), its characterized in that: an accommodating space is formed between the inner container (5) and the box body (1), and a heat exchange assembly with one end penetrating through the box body (1) to the outside is arranged in the accommodating space.

2. The phase change heat conduction type medical vaccine refrigerating and insulating box according to claim 1, characterized in that: the heat exchange assembly comprises a cooling end and a heat absorption end, wherein the cooling end is located outside the box body (1), the heat absorption end is located in the accommodating space, and when a temperature difference exists between the cooling end and the heat absorption end, temperature conduction is carried out between the cooling end and the heat absorption end.

3. The phase change heat conduction type medical vaccine refrigerating and insulating box according to claim 2, characterized in that: the heat exchange assembly further comprises a refrigerant positioned in the cooling end and the heat absorption end, when a temperature difference exists between the cooling end and the heat absorption end, the refrigerant is vaporized from the self-heat absorption end and moves to the cooling end, and the refrigerant is liquefied from the cooling end and moves to the heat absorption end.

4. The phase change heat conduction type medical vaccine refrigeration and insulation box according to claim 1, 2 or 3, wherein: the heat exchange component is a phase change heat exchanger (4).

5. The phase change heat conduction type medical vaccine refrigerating and insulating box according to claim 3, characterized in that: the heat exchange assembly comprises a steam pipe (42) and a liquid pipe (43) of which one end penetrates through the box body (1), the steam pipe (42) is communicated with the liquid pipe (43) through a connecting pipe (44), the steam pipe (42) is positioned above the liquid pipe (43), the steam pipe (42) and the liquid pipe (43) are positioned at one end of the box body (1) outside and communicated with each other, and the refrigerant is positioned in a loop formed by the steam pipe (42) and the liquid pipe (43).

6. The phase change heat-conducting type medical vaccine refrigeration and insulation box according to claim 1, 2, 3 or 5, wherein: the heat exchange assembly is arranged on the outer side of one end, outside the box body (1), of the heat exchange assembly and is detachably connected with a flange piece (2), and the flange piece (2) is used for being connected with a refrigerating machine head (3).

7. The phase change heat conduction type medical vaccine refrigerating and insulating box according to claim 6, wherein: the flange piece (2) comprises a first flange plate (21) and a second flange plate (22) which are wrapped on the heat exchange assembly and located on the outer side of one end outside the box body (1), and the first flange plate (21) is detachably connected with the second flange plate (22).

8. The phase change heat conduction type medical vaccine refrigerating and insulating box according to claim 1, characterized in that: the heat conductivity coefficient of the side, facing the box body (1), of the accommodating space is lower than that of the side, facing the inner container (5), of the accommodating space.