Refrigerating box

Abstract

The utility model relates to the field of refrigeration equipment, in particular to a refrigeration box which comprises an inner container and a metal partition plate arranged in the inner container, the inner container is divided into a cold storage cavity and a refrigeration cavity through the metal partition plate, the metal partition plate serves as the front side wall of the cold storage cavity, and the metal partition plate serves as the rear side wall of the refrigeration cavity. The cold storage cavity comprises a top end cold storage part located above the refrigeration cavity and a lateral cold storage part which extends downwards from the top end cold storage part and is located on one side of the refrigeration cavity, an evaporator is arranged in the top end cold storage part, and the evaporator is configured to refrigerate cold storage agents in the top end cold storage part and the lateral cold storage part. The cold storage cavity does not need to be completely wrapped by the water tank, the volume of the cold storage cavity is increased, a heat pipe and a heat conduction plate do not need to be arranged, and the structure and the assembly process of the refrigerating box are simplified.

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, part of which adopts a structure that the storage space is completely wrapped by the water tank (such as the structure disclosed in CN104976843B), so that the heat preservation effect of the refrigeration box is good, but the space utilization rate of the refrigeration box with this structure is low. The material of another part of the refrigeration box is installed with a heat pipe outside the water tank, and a heat conduction plate is connected below the heat pipe (such as the structure disclosed in CN202158721U), so that the temperature in the storage space can be uniform, but on the one hand, the way of heat pipe and heat conduction plate to transfer cold energy leads to the structure of the refrigeration box being too complex, the assembly process being cumbersome and the maintenance of the heat pipe being poor, and on the other hand, the setting of the heat conduction plate also leads to the volume of the storage space being compressed and reduced. SUMMARY

[0003] In order to solve the above technical problems, the present application provides a refrigeration box, which does not need to completely wrap the cold storage cavity with a water tank, so that the volume of the cold storage cavity is increased, and it does not need to set a heat pipe and a heat conduction plate, thereby simplifying the structure and assembly process of the refrigeration box.

[0004] The present application provides a refrigeration box, which comprises an inner container and a metal partition plate arranged in the inner container, the metal partition plate separates the inner container into a cold storage cavity and a refrigeration cavity, the metal partition plate is used as a front side wall of the cold storage cavity, and the metal partition plate is used as a rear side wall of the refrigeration cavity, the cold storage cavity comprises a top cold storage part located above the refrigeration cavity and a lateral cold storage part located on one side of the refrigeration cavity and extending downward from the top cold storage part, and an evaporator is arranged in the top cold storage part, and the evaporator is configured to refrigerate the cold storage agent in the top cold storage part and the lateral cold storage part.

[0005] The present application separates the inner container into a cold storage cavity and a refrigeration cavity through a metal partition plate, and the cold storage cavity comprises a top cold storage part and a lateral cold storage part. Compared with the structure of wrapping the storage space with a water tank, the present application only needs to set the top cold storage part at the top of the refrigeration cavity and set the lateral cold storage part on one side of the refrigeration cavity, so as to meet the refrigeration requirement of the articles in the refrigeration cavity, and the space at other positions of the refrigeration cavity can be used to increase the volume of the refrigeration cavity. Moreover, the present application does not need to set a heat pipe and a heat conduction plate, thereby simplifying the structure and assembly process of the refrigeration box, and the space where the heat conduction plate is arranged can be used to increase the refrigeration cavity, thereby further increasing the volume of the refrigeration cavity.

[0006] As a preferred technical scheme, the metal partition plate comprises a first plate extending downward from the top wall of the inner container, a second plate extending from the first plate to the rear wall of the inner container, and a third plate extending from the second plate to the bottom wall of the inner container, the first plate, the second plate and the wall of the inner container form the top cold storage part, and the third plate and the wall of the inner container form the lateral cold storage part.

[0007] As a preferred technical scheme, a side of the third plate facing the refrigeration cavity is provided with a first heat preservation layer.

[0008] And / or, a side of the second plate facing the refrigeration cavity is provided with a second heat preservation layer.

[0009] As a preferred technical scheme, the circumferential wall of the inner container is provided with an annular groove, and the refrigeration box further comprises a sealing gasket surrounding the metal partition plate in the circumferential direction, and the metal partition plate is fixed in the annular groove in an interference manner through the sealing gasket.

[0010] Alternatively, the circumferential wall of the inner container is provided with an annular groove, the metal partition plate is inserted into the annular groove, and the connection between the metal partition plate and the annular groove is sealed and connected by sealing glue.

[0011] As a preferred technical scheme, the edge of the metal partition plate is provided with a connecting part in the circumferential direction, the connecting part passes through the circumferential wall of the inner container and is arranged in a bent manner, a plurality of holes are arranged on the connecting part, and a fastener is fixed to the circumferential wall through the holes.

[0012] As a preferred technical scheme, in the direction of the refrigeration cavity pointing to the lateral cold storage part, the ratio of the depth of the lateral cold storage part to the depth of the refrigeration cavity ranges from 1:20 to 1:10.

[0013] As a preferred technical scheme, the refrigeration box further comprises an outer shell, the inner container is arranged in the outer shell, and a heat preservation layer is formed between the outer shell and the inner container by foaming process.

[0014] As a preferred technical scheme, the outer shell comprises a shell body and a door body, one end of the shell body is provided with an opening, and the door body can open or close the opening.

[0015] As a preferred technical scheme, the refrigeration box further comprises a compressor and a condenser, and the compressor, the condenser and the evaporator form a refrigeration system.

[0016] As a preferred technical scheme, a plurality of trays are arranged in the refrigeration cavity at intervals on one side of the metal partition plate, and the cold energy in the cold storage cavity can be transmitted to the trays. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a three-dimensional structural diagram of the refrigerator described in the embodiments of this application;

[0020] Figure 2 This is a cross-sectional view of the refrigerator described in the embodiment of this application;

[0021] Figure 3 Examples of this application Figure 1 Enlarged view of point A;

[0022] Figure 4 This is a cross-sectional view of the refrigerated box described in the embodiments of this application, showing a tray.

[0023] in:

[0024] 1. Inner liner; 11. Cold storage chamber; 111. Top cold storage section; 112. Lateral cold storage section; 12. Refrigeration chamber; 13. Refrigeration equipment compartment; 2. Outer shell; 21. Shell; 22. Door; 3. Metal partition; 31. First plate; 32. Second plate; 33. Third plate; 34. Connecting part; 341. Hole; 41. Evaporator; 42. Compressor; 43. Condenser; 5. Tray. Detailed Implementation

[0025] To better understand the above-mentioned objectives, features, and advantages of this application, the solution of this application will be further described below. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of this application, but this application may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only some embodiments of this application, and not all embodiments.

[0027] This application provides a device with a refrigeration function, which can be a vehicle refrigerator, a small household refrigerator, or a refrigerator box, such as a medical refrigerator box or a home medical box.

[0028] like Figure 1 andFigure 2 As shown, the refrigerator in this embodiment includes an inner liner 1, an outer shell 2, and a refrigeration system. The inner liner 1 is installed inside the outer shell 2 and is preferably made of metal. A metal partition 3 is also provided inside the inner liner 1, which divides the inner liner 1 into a cold storage chamber 11 and a refrigeration chamber 12. The refrigeration chamber 12 is used to place items. The cold storage chamber 11 is provided with a cold storage agent and an evaporator 41 of the refrigeration system. The cold storage agent is cooled by the evaporator 41, and the cold storage agent can release cold energy into the refrigeration chamber 12, thereby refrigerating the items in the refrigeration chamber 12.

[0029] In this embodiment, the inner liner 1 is divided into a cold storage chamber 11 and a refrigeration chamber 12 by a metal partition 3. This eliminates the need for an additional water tank and structures such as heat pipes or heat-conducting plates connected to the water tank, simplifying the structure and assembly process of the refrigerator. Furthermore, the metal partition 3 fully utilizes the internal space of the inner liner 1, maximizing the volume of the refrigeration chamber 12. Additionally, by forming the cold storage chamber 11, when the power supply to the refrigerator is interrupted, the refrigerant within the cold storage chamber 11 can release its cooling capacity to maintain a constant temperature environment within the refrigeration chamber 12.

[0030] Furthermore, in this embodiment, the metal partition 3 forms the front sidewall of the cold storage chamber 11 and the rear sidewall of the cold storage chamber 12. In addition, the metal partition 3 has better cold energy transfer performance, so the cold energy transfer between the cold storage chamber 11 and the cold storage chamber 12 is directly from the cold storage agent in the cold storage chamber 11 to the metal partition 3 and then to the cold storage chamber 12. That is, the cold energy in the cold storage chamber 11 can be directly transferred to the cold storage chamber 12 through the metal partition 3, thereby improving the cold energy conduction efficiency.

[0031] In this embodiment, as Figure 1 As shown, the metal partition 3 can adopt a "Z" shaped structure. In this case, the cold storage cavity 11 formed between the metal partition 3 and the wall of the inner liner 1 includes a top cold storage part 111 located above the refrigeration cavity 12 and a lateral cold storage part 112 extending downward from the top cold storage part 111 and located on one side of the refrigeration cavity 12. That is, the cold storage cavity 11 in this embodiment is formed simultaneously at the top and side (specifically the rear side) of the refrigeration cavity 12. Through this structure, on the one hand, the refrigerant in the cold storage cavity 11 can release cold energy to the upper and side ends of the cold storage cavity 11 at the same time, so that the temperature of each position in the cold storage cavity 11 is uniform, ensuring that the items are in the required temperature range at all angles. Moreover, compared with the structure of the water tank-enclosed storage space in the prior art, no cold storage structure is set in other positions of the refrigeration cavity 12 (such as the front, left and right sides or bottom), so that the space in other positions of the refrigeration cavity 12 can be used to increase the volume of the refrigeration cavity 12. On the other hand, the above-mentioned structure of this application does not require the installation of heat pipes and heat conduction plates, which simplifies the structure and assembly process of the refrigerator. Moreover, the space required for installing the heat conduction plate can be used to increase the refrigerator cavity 12, thereby further increasing the volume of the refrigerator cavity 12.

[0032] Furthermore, in this embodiment, a first temperature detection element (not shown in the figure) is provided in the cold storage chamber 11. The temperature in the cold storage chamber 11 is detected by the first temperature detection element. When the temperature in the cold storage chamber 11 is too low or too high, the evaporator 41 can be controlled to stop or start. It is understood that the first temperature detection element can be placed in the top cold storage section 111 or in the side cold storage section 112.

[0033] In this embodiment, the aforementioned metal partition 3 includes a first plate 31, a second plate 32, and a third plate 33. The first plate 31 extends downward from the top wall of the inner liner 1, the second plate 32 extends from the bottom end of the first plate 31 towards the rear side wall of the inner liner 1, and the third plate 33 extends from the second plate 32 towards the bottom wall of the inner liner 1, so that the metal partition 3 has a roughly "Z"-shaped structure after being rotated 90° counterclockwise. A top cold storage section 111 is formed between the first plate 31, the second plate 32, and the walls of the inner liner 1 (specifically, the top wall, the peripheral side wall, and the rear side wall of the inner liner 1), and a lateral cold storage section 112 is formed between the third plate 33 and the walls of the inner liner 1 (specifically, the peripheral side wall and the rear side wall of the inner liner 1). This structure can fully utilize the space of the inner liner 1 to form a cold storage cavity 11 and a refrigeration cavity 12, thereby improving the space utilization rate of the inner liner 1.

[0034] In this embodiment, the volume of the top cold storage section 111 is larger than that of the side cold storage section 112. The evaporator 41 is installed in the top cold storage section 111. On the one hand, it is convenient to install the evaporator 41, and the pipe of the evaporator 41 can easily pass through the inner liner 1 and connect to other components of the refrigeration system. On the other hand, it is also convenient to form the cold storage chamber 11, making the formation of the cold storage chamber 11 and the refrigeration chamber 12 simpler.

[0035] In addition, when the evaporator 41 is running, the refrigerant in the top cold storage section 111 will be in a solid-liquid dual state. At this time, since the space of the top cold storage section 111 is large enough, it is easy to generate solid refrigerant so that in the event of a power outage or other emergency, the solid refrigerant can be converted into liquid refrigerant to further release the cooling capacity.

[0036] It should be noted that in this embodiment, along the direction from the refrigeration cavity 12 to the lateral cold storage section 112, the ratio of the depth of the lateral cold storage section 112 to the depth of the refrigeration cavity 12 (i.e., the ratio of the distance from the second plate 32 to the rear side wall of the inner liner 1 to the distance from the second plate 32 to the front end face of the inner liner 1) is in the range of 1:20 to 1:10. This ratio setting can further optimize the volume of the refrigeration cavity 12 on the basis of meeting the refrigeration requirements of the items in the refrigeration cavity 12, so as to maximize the volume of the refrigeration cavity 12.

[0037] In this embodiment, the third plate 33 has a first insulation layer on the side facing the refrigeration cavity 12. This first insulation layer can prevent the wall surface of the third plate 33 from over-condensing in a low-temperature environment. It can be understood that the second plate 32 has a second insulation layer on the side facing the refrigeration cavity 12 to prevent the wall surface of the second plate 32 from over-condensing.

[0038] It should be noted that, in order to achieve a fixed connection between the metal partition 3 and the inner liner 1, such as Figure 3 As shown, in this embodiment, the metal partition 3 has a connecting portion 34 along its circumferential edge. The connecting portion 34 has multiple holes 341 spaced apart. Through holes can be provided on the peripheral sidewall of the inner liner 1. The connecting portion 34 passes through the through holes and is bent to fit against the outer wall of the inner liner 1. Then, fasteners pass through the holes 341 on the connecting portion 34 and are fixed to the peripheral sidewall of the inner liner 1. In other words, the metal partition 3 and the peripheral sidewall of the inner liner 1 can be fixedly connected through the multiple holes 341 on the connecting portion 34. It is understood that after the connecting portion 34 is inserted into the through hole, it is necessary to seal the connecting portion 34 between the connecting portion 34 and the through hole. This can be achieved by applying sealant, or by placing a sealing gasket over the outside of the connecting portion 34, then press-fitting the gasket into the through hole, and finally applying sealant. Of course, in other embodiments, the metal partition 3 can be directly welded to the inner liner 1 to achieve a fixed and sealed connection between the two, thereby achieving a seal between the cold storage chamber 11 and the refrigeration chamber 12, as well as between the cold storage chamber 11, the refrigeration chamber 12 and the outside.

[0039] In other alternative technical solutions, to achieve a seal between the cold storage chamber 11 and the refrigeration chamber 12, this embodiment can also create an annular groove on the peripheral wall of the inner liner 1. In this case, a sealing gasket is fitted around the periphery of the metal partition 3, and then the metal partition 3 is interference-fitted into the annular groove through the sealing gasket to achieve a sealed connection between the metal partition 3 and the annular groove. Of course, to further improve the sealing performance between the metal partition 3 and the inner liner 1, sealant can also be applied to the sealing gasket.

[0040] In another alternative technical solution, in this embodiment, an annular groove is formed on the circumferential sidewall of the inner liner 1, and the metal partition 3 is inserted into the annular groove. The connection between the metal partition 3 and the annular groove is sealed with sealant, that is, the connection between the two is directly sealed by applying sealant.

[0041] In this embodiment, as Figure 2As shown, the aforementioned outer casing 2 includes a housing 21 and a door 22. One end of the housing 21 is open, and the door 22 can open or close the opening. When items need to be placed, the door 22 opens; after items are placed, the door 22 closes the opening (specifically, sealing the opening), thus sealing the refrigerator compartment 12 and ensuring that the refrigerator compartment 12 does not exchange heat with the outside environment. Preferably, the first plate 31 and the third plate 33 of the metal partition 3 are parallel to the door 22 of the outer casing 2, and the second plate 32 is perpendicular to the first plate 31.

[0042] For further details, please refer to... Figure 2 At the bottom of the outer shell 2, below the inner liner 1, a refrigeration equipment compartment 13 is also provided. Other components of the refrigeration system, except for the evaporator 41, can be installed in the refrigeration equipment compartment 13, such as the compressor 42, condenser 43, and throttling element. In this embodiment, during operation, the refrigerant in the refrigeration system is compressed by the compressor 42 into a high-temperature, high-pressure refrigerant gas, which is discharged from the compressor 42 to the condenser 43. In the condenser 43, it condenses into a liquid state and then enters the throttling element. After being throttled and depressurized by the throttling element, it becomes a low-temperature, low-pressure liquid refrigerant, which enters the evaporator 41 and evaporates. During evaporation, the refrigerant absorbs heat from the cold storage chamber 11, eventually turning into a gaseous state which is drawn back by the compressor 42 and compressed into a high-temperature, high-pressure gaseous state flowing back to the condenser 43. This cycle repeats, achieving the refrigeration process of the refrigerant in the cold storage chamber 11.

[0043] like Figure 4 As shown, in this embodiment, a plurality of trays 5 are spaced apart on the side of the metal partition 3 away from the lateral cold storage section 112. The trays 5 are located within the refrigeration chamber 12, allowing for the placement of items. Furthermore, since the trays 5 are directly connected to the metal partition 3, the cold energy within the lateral cold storage section 112 can be directly transferred to the trays 5 via the metal partition 3, further improving the cold energy transfer effect. In this embodiment, the trays 5 are spaced apart longitudinally.

[0044] In this embodiment, the refrigerator is also equipped with a power supply system, which can be a solar panel or mains power. Through the power supply system, the refrigerator can be electrically controlled, such as controlling the refrigeration system and transmitting information from the first temperature detection element.

[0045] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0046] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not 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 inner liner and a metal partition disposed within the inner liner. The metal partition divides the inner liner into a cold storage chamber and a refrigeration chamber. The cold storage chamber uses the metal partition as its front sidewall, and the refrigeration chamber uses the metal partition as its rear sidewall. The cold storage chamber includes a top cold storage section located above the refrigeration chamber and a lateral cold storage section extending downward from the top cold storage section and located on one side of the refrigeration chamber. An evaporator is disposed within the top cold storage section, and the evaporator is configured to cool the refrigerant within the top cold storage section and the lateral cold storage section.

2. The refrigerator according to claim 1, characterized in that, The metal partition includes a first plate extending downward from the top wall of the inner liner, a second plate extending from the bottom end of the first plate toward the rear side wall of the inner liner, and a third plate extending from the second plate toward the bottom wall of the inner liner. The top cold storage section is formed between the first plate, the second plate, and the wall of the inner liner, and the lateral cold storage section is formed between the third plate and the wall of the inner liner.

3. The refrigerator according to claim 2, characterized in that, The third plate has a first insulation layer on the side facing the refrigeration cavity; And / or, the second plate is provided with a second insulation layer on the side facing the refrigeration cavity.

4. The refrigerator according to claim 1, characterized in that, The inner liner has an annular groove on its peripheral sidewall, and the refrigerator also includes a sealing gasket surrounding the metal partition. The metal partition is interference-sealed and fixed in the annular groove by the sealing gasket. Alternatively, the inner liner may have an annular groove on its peripheral sidewall, into which the metal partition is inserted, and the connection between the metal partition and the annular groove is sealed with sealant.

5. The refrigerator according to claim 1, characterized in that, The metal partition has a connecting part along its circumferential direction at its edge. The connecting part passes through the peripheral sidewall of the inner liner and is bent. The connecting part has multiple holes, and fasteners pass through the holes to fix it to the peripheral sidewall.

6. The refrigerator according to claim 1, characterized in that, Along the direction from the refrigeration cavity to the lateral cold storage section, the ratio of the depth of the lateral cold storage section to the depth of the refrigeration cavity ranges from 1:20 to 1:

10.

7. The refrigerator according to claim 1, characterized in that, The refrigerator also includes an outer shell, the inner liner is placed inside the outer shell, and an insulation layer is formed between the outer shell and the inner liner through a foaming process.

8. The refrigerator according to claim 7, characterized in that, The outer casing includes a housing and a door, with an opening at one end of the housing and the door capable of opening or closing the opening.

9. 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 evaporator form a refrigeration system.

10. The refrigerator according to claim 1, characterized in that, The metal partition is provided with several trays located in the refrigeration chamber on one side, and the cold energy in the cold storage chamber can be transferred to the trays.

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