Refrigerating box

Abstract

The utility model relates to the field of refrigeration equipment, in particular to a refrigerated container which comprises a shell and an inner container located in the shell, the inner container comprises a back plate and a circumferential side plate connected to the circumferential direction of the back plate in a sealed mode, partition plates opposite to the back plate and arranged at intervals are further arranged in the inner container, and the partition plates are connected with the circumferential side plate in a sealed mode. The inner container is arranged in the refrigerator body to divide the inner container into a cold storage chamber and a refrigerating chamber, the back plate forms the refrigerator wall of the cold storage chamber, and the back plate is a plate-shaped roll-bond evaporator to refrigerate refrigerants in the cold storage chamber. On one hand, the evaporator does not need to be wound outside the cold accumulation chamber and directly serves as a part of the cold accumulation chamber, then the roll-bond evaporator can directly refrigerate a refrigerant in the cold accumulation chamber, and the cooling capacity conduction effect is effectively improved. On the other hand, the evaporator does not need to be inserted into the cold accumulation chamber, the installation steps of fixing the evaporator and the cold accumulation chamber, pulling out the connecting pipe for welding and the like are omitted, the installation process is simplified, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of refrigeration equipment, in particular to a refrigeration box. BACKGROUND

[0002] The medical refrigeration box is mainly used for the refrigeration, preservation and transportation of medicines, reagents, vaccines and blood. The existing refrigeration box with a water tank usually has the following two installation modes:

[0003] The first mode is to pre-bury the water tank in the foaming layer before foaming the refrigeration box, and then set the water tank against the side wall of the inner container, and then set the pipe-wound evaporator of the refrigeration system outside the water tank wall, so as to refrigerate the refrigerant in the water tank through the pipe-wound evaporator, and then the water tank transfers cold energy to the inner container to cool the air in the inner container. The structure has poor heat transfer effect because the pipe-wound evaporator is wound outside the water tank wall.

[0004] The second mode is to install the integral water tank into the compartment of the outer shell after the foaming of the refrigeration box is completed, and then insert the evaporator into the water tank to refrigerate the refrigerant in the water tank. However, this structure needs to fix the evaporator with the water tank first, pull the connecting pipe of the evaporator out of the outer shell after the water tank is installed into the outer shell, and then weld the connecting pipe to other components of the refrigeration system. The installation process of this mode is relatively complex. CONTENT OF THE INVENTION

[0005] In order to solve the above technical problems, the present application provides a refrigeration box which uses a plate-shaped blown evaporator as the back plate of the inner container, and the plate-shaped blown evaporator forms the tank wall of the cold storage chamber, which simplifies the installation process of the cold storage chamber and the evaporator, and improves the cold energy conduction effect.

[0006] The present application provides a refrigeration box which includes an outer shell and an inner container located in the outer shell. The inner container includes a back plate and a circumferential side plate sealingly connected to the periphery of the back plate. A partition plate is arranged in the inner container opposite to and spaced from the back plate. The partition plate is sealingly connected to the circumferential side plate to divide the inner container into a cold storage chamber and a refrigeration chamber. The back plate forms the tank wall of the cold storage chamber, and the back plate is a plate-shaped blown evaporator to refrigerate the refrigerant in the cold storage chamber.

[0007] The inner container is divided into a cold storage chamber and a cold preservation chamber by the partition plate, and then the back plate of the inner container is formed by the blow type evaporator, and the back plate of the inner container is formed as the tank wall of the cold storage chamber. On the one hand, the evaporator does not need to be arranged outside the cold storage chamber, but directly as a part of the cold storage chamber, so that the blow type evaporator can directly cool the refrigerant in the cold storage chamber, effectively improving the cold quantity conduction effect. On the other hand, the evaporator does not need to be inserted into the cold storage chamber, so that the installation steps such as fixing the evaporator and the cold storage chamber and pulling out and welding the connecting pipe are omitted, the structure and installation process of the cold storage box are simplified, and the production cost is reduced.

[0008] In addition, the partition plate of the application is a shared part of the cold storage chamber and the cold preservation chamber, which can directly transfer the cold quantity in the cold storage chamber to the cold preservation chamber through the partition plate to cool the articles in the cold preservation chamber, further increasing the cold quantity conduction efficiency.

[0009] As a preferred technical solution, an annular groove is formed on the circumferential side plate, and the partition plate is sealingly inserted into the annular groove.

[0010] As a preferred technical solution, the cold storage box further comprises a sealing gasket surrounding the partition plate in the circumferential direction, and the partition plate is sealingly fixed in the annular groove by interference through the sealing gasket.

[0011] Alternatively, the partition plate and the connecting position of the circumferential side plate are sealingly connected by sealing glue.

[0012] As a preferred technical solution, the edge of the partition plate is provided with a connecting part in the circumferential direction, the connecting part penetrates through the circumferential side plate and is bent, a plurality of holes are formed on the connecting part, and a fastener penetrates through the holes and is fixed to the circumferential side plate.

[0013] As a preferred technical solution, the circumferential side plate comprises a top plate, a groove is formed on the top plate, one end of the partition plate is inserted into the groove, and the other end of the partition plate is fixed to the circumferential side plate by a fastener.

[0014] As a preferred technical solution, the ratio of the depth of the cold storage chamber to the depth of the cold preservation chamber ranges from 1:20 to 1:10 in the direction of the partition plate pointing to the back plate.

[0015] As a preferred technical solution, a plurality of trays are spaced apart from the side of the partition plate away from the back plate, and the cold quantity in the cold storage chamber can be transferred to the trays.

[0016] As a preferred technical solution, a first temperature detection element is arranged in the cold storage chamber, a second temperature detection element is arranged in the cold storage chamber, and the blow type evaporator is opened and closed according to the temperature detected by the first temperature detection element and / or the second temperature detection element.

[0017] Preferably, the heat insulation layer is formed between the outer shell and the inner container through a foaming process.

[0018] Preferably, the refrigeration box further comprises a compressor and a condenser, and the compressor, the condenser and the blow-through evaporator form a refrigeration system. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings incorporated in and forming a part of the specification, illustrate preferred embodiments of the present application and, together with the description, serve to explain the principles of the present application.

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings required to be used in the embodiments or prior art description will be briefly introduced below. Obviously, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

[0021] Figure 1 The refrigeration box described in the embodiments of the present application does not show the schematic diagram of the three-dimensional structure of the outer shell;

[0022] Figure 2 The refrigeration box described in the embodiments of the present application does not show the schematic diagram of the three-dimensional structure of the outer shell;

[0023] Figure 3 The refrigeration box described in the embodiments of the present application does not show the schematic diagram of the three-dimensional structure of the outer shell; Figure 2

[0024] Figure 4 The refrigeration box described in the embodiments of the present application does not show the schematic diagram of the three-dimensional structure of the outer shell;

[0025] Figure 5 The refrigeration box described in the embodiments of the present application does not show the schematic diagram of the three-dimensional structure of the outer shell; Figure 2

[0026] Figure 6 The refrigeration box described in the embodiments of the present application does not show the schematic diagram of the three-dimensional structure of the outer shell; Figure 1

[0027] Figure 7 The refrigeration box described in the embodiments of the present application does not show the schematic diagram of the three-dimensional structure of the outer shell.

[0028] Wherein:

[0029] 1, outer shell; 11, shell; 12, door body; 13, refrigeration equipment cabin; 2, inner container; 21, back plate; 22, circumferential side plate; 3, partition plate; 31, connecting part; 32, hole; 4, cold storage room; 5, refrigeration room; 6, sealing gasket; 7, sealing glue; 8, fastener; 9, tray; 10, compressor; 20, condenser. DETAILED DESCRIPTION​​​

[0030] In order to enable a more clear understanding of the above-mentioned objects, features and advantages of the present application, the following will further describe the solutions of the present application. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0031] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be implemented in other manners different from those described herein; obviously, the embodiments described in the specification are only a part of the embodiments of the present application, and not all the embodiments.

[0032] In order to solve the problems in the prior art that the heat transfer effect is poor when the tube evaporator is arranged outside the cold storage chamber wall, or the installation process of the cold storage box is complicated when the evaporator is installed in the cold storage chamber, the embodiments of the present application provide a cold storage box, as shown in Figure 1 and Figure 2 , wherein Figure 1 is a perspective structural schematic view of the cold storage box of the embodiments of the present application without showing the shell 1, Figure 2 is a sectional view of the cold storage box of the embodiments of the present application. The cold storage box comprises a shell 1 and an inner container 2 and a refrigeration system both located in the shell 1, wherein:

[0033] The shell 1 comprises a shell body 11 and a door body 12, the shell body 11 is internally provided with a cavity, the inner container 2 can be installed in the cavity, and a heat preservation layer is formed between the inner container 2 and the shell body 11 through foaming process, so as to realize heat preservation of the inner container 2. Moreover, the foaming manner can fix the inner container 2 to the shell body 11, and seal the whole outer periphery of the inner container 2.

[0034] The above-mentioned door body 12 is openably and closably connected to the shell body 11, thereby realizing taking and placing of the articles in the inner container 2, and the door body 12 is sealedly buckled to the shell body 11 when closed, so as to realize sealing of the shell 1, avoid the cold quantity in the inner container 2 from being dissipated, and affect the cold storage effect of the articles in the inner container 2.

[0035] Referring to Figure 1 , the inner container 2 of the embodiments comprises a back plate 21 and a circumferential side plate 22 sealedly connected to the axial side of the back plate 21, wherein the circumferential side plate 22 can be understood as a top plate, a bottom plate and two side plates connected to the back plate 21, wherein the top plate, the bottom plate and the two side plates are preferably integrally formed, and can also be formed into an integral circumferential side plate 22 by welding or the like.

[0036] In this embodiment, the back plate 21 is a plate-shaped blown evaporator. That is, the back plate 21 of the inner liner 2 in this embodiment is directly replaced by a blown evaporator, thus the blown evaporator directly serves as part of the inner liner 2. When refrigeration is required, the blown evaporator, acting as the back plate 21, can directly generate cooling capacity into the inner liner 2, effectively reducing the complexity of the refrigerator assembly structure, simplifying the refrigerator's structure and installation process, and lowering production costs. Furthermore, the back plate 21 can be formed by blowing an aluminum plate to create the blown evaporator.

[0037] It should be noted that the sealing connection between the back plate 21 and the peripheral side plate 22 in this embodiment can be achieved by welding or applying sealant 7. Simultaneously, the foamed insulation layer formed between the outer shell 11 and the inner liner 2 further secures and seals the inner liner 2 in this embodiment.

[0038] For reference Figure 2 The refrigerator in this embodiment also includes a partition 3 disposed inside the inner liner 2, which may be made of stainless steel. The partition 3 is disposed opposite to and spaced apart from the back plate 21, thereby dividing the inner liner 2 into a cold storage chamber 4 and a refrigerator chamber 5. That is, the partition 3 can form a cold storage chamber 4 between the back plate 21 and a part of the peripheral side plate 22 (the position of the connection to the peripheral side plate 22 depends on the depth of the cold storage chamber 4 in the direction pointing towards the back plate 21). The back plate 21 forms the wall of the cold storage chamber 4. After refrigerant is injected into the cold storage chamber 4, the refrigerant in the cold storage chamber 4 can be cooled by the blow-type evaporator forming the back plate 21, so that the refrigerant in the cold storage chamber 4 is a mixture of solid and liquid, thereby enabling the cold storage chamber 4 to transfer cold energy to the refrigerator chamber 5. Preferably, the cold storage chamber 4 can also refrigerate the refrigerator chamber 5 by storing cold energy when the refrigerator is powered off, keeping the temperature in the refrigerator chamber 5 at a preset value. The partition 3 also forms part of the cold storage compartment 5, so that the cold energy in the cold storage compartment 4 can be directly transferred to the cold storage compartment 5 through the partition 3 to refrigerate the items in the cold storage compartment 5.

[0039] It should be noted that in this embodiment, a refrigerant injection port can be opened on the wall of the water tank formed by the peripheral side plate 22 to inject refrigerant into the cold storage chamber 4.

[0040] Figure 3 Examples of this application Figure 2 An enlarged diagram of point A, as shown below. Figure 3 As shown, an annular groove is provided on the peripheral side plate 22, and the aforementioned partition 3 is sealed and inserted into the annular groove to achieve a sealed connection between the partition 3 and the peripheral side plate 22. Preferably, a sealing gasket 6 can be provided circumferentially on the partition 3. When the partition 3 is inserted into the annular groove, the sealing gasket 6 is interference-fitted between the partition 3 and the annular groove to achieve a seal between the partition 3 and the peripheral side plate 22.

[0041] Of course, you can also... Figure 4 As shown, in this embodiment, after the partition 3 is inserted into the annular groove, the partition 3 and the peripheral side plate 22 are sealed directly by applying sealant 7 to both sides.

[0042] Figure 5 Examples of this application Figure 2 Enlarged diagram of point B, Figure 6 Examples of this application Figure 1 An enlarged diagram of point C, as shown below. Figure 5 and Figure 6 As shown, in this embodiment, the partition 3 has a connecting portion 31 along its circumferential edge. The connecting portion 31 has multiple holes 32 spaced apart. A through hole is provided on the peripheral side plate 22. The connecting portion 31 passes through the through hole in the peripheral side plate 22 and is then bent to fit against the outer wall of the peripheral side plate 22. Subsequently, a fastener 8 passes through the holes 32 on the connecting portion 31 and is fixed to the peripheral side plate 22. In other words, the partition 3 and the peripheral side plate 22 can be fixedly connected through the multiple holes 32 on the connecting portion 31. It should be noted that, to ensure a seal between the partition 3 and the through hole, sealant 7 needs to be applied between the partition 3 and the through hole.

[0043] In another embodiment, a groove can be provided on the top plate of the peripheral side plate 22, one end of the partition 3 is inserted into the groove, and the other end of the partition 3 is directly fixed to the peripheral side plate 22 by fasteners. By providing the groove, this structure allows the partition 3 to be pre-positioned during installation, and then the other ends of the partition 3 can be fixed.

[0044] In this embodiment, preferably, the ratio of the depth of the cold storage chamber 4 to the depth of the refrigerator chamber 5 along the direction from the partition 3 to the back plate 21 is in the range of 1:20 to 1:10. This ratio ensures that the capacity of the cold storage chamber 4 can meet the refrigeration needs of the refrigerator chamber 5, while not excessively occupying the space of the inner liner 2. It allows for a larger refrigerator chamber 5 while still meeting the cold storage requirements, making it suitable for refrigerating larger items.

[0045] Preferably, such as Figure 7 As shown, in this embodiment, several trays 9 are spaced apart on the side of the partition 3 away from the back plate 21, allowing items to be placed on them. Furthermore, since the trays 9 are directly connected to the partition 3, the cold energy in the cold storage chamber 4 can be directly transferred to the trays 9 via the partition 3, further improving the cold energy transfer effect. In this embodiment, the trays 9 are spaced apart longitudinally.

[0046] Further, the first temperature detecting element is arranged in the refrigeration chamber 5 to detect the temperature in the refrigeration chamber 5, and when the temperature in the refrigeration chamber 5 is too low or too high, the blow evaporator forming the back plate 21 can be controlled to stop or start.

[0047] It can be understood that the second temperature detecting element can be arranged in the cold storage chamber 4 to detect the temperature in the cold storage chamber 4 to control the start and stop of the blow evaporator. Of course, the first temperature detecting element and the second temperature detecting element can be used to detect the temperature to further accurately control the timing of the start and stop of the blow evaporator. It should be noted that the specific control method and structure of the start and stop of the blow evaporator depend on the comparison of the data obtained after multiple experiments, and thus the specific control method and structure are not described in detail.

[0048] In the embodiment, the refrigeration system can be used as a reference. Figure 7 At the bottom of the shell 1, below the inner container 2, the refrigeration equipment cabin 13 is arranged, and other components of the refrigeration system except the blow evaporator can be installed in the refrigeration equipment cabin 13, such as the compressor 10, the condenser 20 and the throttling element of the refrigeration system. In the embodiment, during operation, the refrigerant of the refrigeration system compressed by the compressor 10 becomes high-temperature and high-pressure refrigerant gas, which is discharged from the compressor 10 to the condenser 20, and condensed into liquid in the condenser 20. Then, the liquid enters the throttling element, and becomes low-temperature and low-pressure liquid refrigerant after throttling and pressure reduction of the throttling element, and enters the blow evaporator to evaporate. When the refrigerant evaporates, the heat in the cold storage chamber 4 is absorbed, and finally becomes gaseous and is sucked back by the compressor 10 to be compressed into high-temperature and high-pressure gas to flow to the condenser 20, so as to realize the refrigeration process of the refrigerant in the cold storage chamber 4.

[0049] It should be noted that in the present document, the terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0050] The foregoing detailed description of the application has been presented for purposes of illustration and description. Various modifications to the description will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other implementations without departing from the spirit or scope of the application. Accordingly, the application is not intended to be limited to the embodiments described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A refrigerator, characterized in that, The device includes an outer shell and an inner liner located within the outer shell. The inner liner includes a back plate and a circumferential side plate sealed to the circumference of the back plate. The inner liner also has a partition that is opposite to and spaced apart from the back plate. The partition is sealed to the circumferential side plate to divide the inner liner into a cold storage chamber and a cold storage chamber. The back plate forms the wall of the cold storage chamber and is a plate-shaped blown evaporator to cool the refrigerant in the cold storage chamber.

2. The refrigerator according to claim 1, characterized in that, An annular groove is provided on the peripheral side plate, and the partition is sealed and inserted into the annular groove.

3. The refrigerator according to claim 2, characterized in that, The refrigerator also includes a sealing gasket surrounding the partition, and the partition is interference-sealed and fixed in the annular groove by the sealing gasket; Alternatively, the connection between the partition and the peripheral side plate can be sealed with sealant.

4. The refrigerator according to any one of claims 1-3, characterized in that, The edge of the partition is provided with a connecting part along the circumferential direction. The connecting part passes through the peripheral side plate and is bent. The connecting part is provided with multiple holes, and fasteners pass through the holes and are fixed to the peripheral side plate.

5. The refrigerator according to any one of claims 1-3, characterized in that, The peripheral side plate includes a top plate with a groove. One end of the partition is inserted into the groove, and the other end of the partition is fixed to the peripheral side plate by fasteners.

6. The refrigerator according to claim 1, characterized in that, Along the direction from the partition to the back plate, the ratio of the depth of the cold storage chamber to the depth of the cold storage chamber ranges from 1:20 to 1:

10.

7. The refrigerator according to claim 1, characterized in that, The partition is provided with several trays at intervals on the side away from the back plate, and the cold energy in the cold storage chamber can be transferred to the trays.

8. The refrigerator according to claim 1, characterized in that, The refrigeration chamber is equipped with a first temperature detection element, and the cold storage chamber is equipped with a second temperature detection element. The blow-type evaporator is opened and closed according to the temperature detected by the first temperature detection element and / or the second temperature detection element.

9. The refrigerator according to claim 1, characterized in that, An insulation layer is formed between the outer shell and the inner liner through a foaming process.

10. The refrigerator according to claim 1, characterized in that, The refrigerator also includes a compressor and a condenser, and the compressor, the condenser and the blown evaporator form a refrigeration system.

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