Refrigeration equipment

Abstract

The invention provides refrigeration equipment. Comprising a compressor cabin, the compressor cabin comprises bottom steel, a compressor, a fan and a first condenser, the bottom steel comprises a first section and a second section, an air inlet is formed in the first section, an air outlet is formed in the second section, and the first section and the second section are arranged to be insulated from each other; the second condenser is arranged on the side, away from the interior of the compressor cabin, of the second section, an inlet of the second condenser is connected with an exhaust pipe of the compressor, an outlet of the second condenser is connected with the first condenser, an outlet of the first condenser is formed outside the compressor cabin, and the draught fan is used for driving airflow to enter from the air inlet and be exhausted from the air outlet. And forced air cooling is carried out on the second condenser. According to the equipment, the bottom steel is divided into the first section and the second section which are insulated, and the second condenser arranged on the outer side and the first condenser arranged on the inner side are arranged in series, so that a refrigerant can be fully cooled in the two condensers in sequence, and the cooling performance of the refrigeration equipment is improved.

Description

Technical Field

[0001] This application relates to the field of home appliances, and more specifically to a refrigeration device. Background Technology

[0002] In the field of refrigeration equipment, especially in applications such as built-in refrigerators, optimizing heat dissipation performance has always been a key factor in ensuring the efficient and stable operation of the equipment.

[0003] In current technology, most refrigeration equipment uses a rear-mounted condenser for heat dissipation. However, in embedded installation scenarios, this heat dissipation method reveals significant drawbacks. Because the back of the equipment is flush against the wall, airflow is obstructed, preventing the rear-mounted condenser from effectively exchanging heat with the outside air. This severely hinders heat dissipation, causing heat to accumulate inside the equipment. This heat accumulation not only directly reduces the cooling effect of the refrigeration equipment, making it difficult for the refrigerator and freezer compartments to maintain the set low temperature environment, affecting the freshness and storage quality of food; it also causes the compressor to operate at high temperatures for extended periods, accelerating compressor wear and aging, reducing its reliability and lifespan, and ultimately increasing maintenance costs and operational risks.

[0004] Meanwhile, under high-temperature conditions, the compressor requires more electrical energy to maintain normal operation, which undoubtedly leads to energy waste and is inconsistent with the current trend of energy conservation and environmental protection. Furthermore, some existing technologies attempt to place the condenser at the bottom of the device, but lack a reasonable zoning design for the thermal conductivity of the main heat dissipation component. This results in the cold air entering the device having its heat absorbed by the inadequate heat conduction structure, failing to effectively cool critical components. Simultaneously, heat cannot be efficiently transferred from the condenser to the air outlet, resulting in persistently low heat dissipation efficiency and failing to fundamentally solve the heat dissipation problem of embedded refrigeration equipment. Summary of the Invention

[0005] One of the purposes of this application is to provide a refrigeration device to solve the technical problem that, in the prior art, after the condenser layout of the refrigeration device is embedded and installed, the heat dissipation path is blocked due to space constraints, resulting in poor refrigeration effect, harsh working conditions of the compressor, and increased energy consumption.

[0006] To achieve one of the above-mentioned objectives, this application provides a refrigeration device, comprising: a compressor chamber 13, including a bottom steel 14, a compressor 16, a fan 17, and a first condenser 18. The bottom steel 14 includes a first section 14-1 and a second section 14-3. The first section 14-1 is provided with an air inlet 14-2, and the second section 14-3 is provided with an air outlet 14-4. The first section 14-1 and the second section 14-3 are configured to insulate each other from each other. The second condenser 19 is disposed on the side of the second section 14-3 away from the interior of the compressor chamber 13. Its inlet is connected to the exhaust pipe of the compressor 16, and its outlet is connected to the first condenser 18. The outlet of the first condenser 18 is disposed outside the compressor chamber 13. The fan 17 is used to drive airflow from the air inlet 14-2 into the compressor chamber 13 and from the air outlet 14-4 into the compressor chamber 13 to dissipate heat.

[0007] As a further improvement of one embodiment of this application, the refrigeration equipment further includes a heat-insulating connector 15, the first end of which is connected to the first section 14-1, and the second end of which is connected to the second section 14-3.

[0008] As a further improvement of one embodiment of this application, the heat-insulating connector 15 is a plastic connector.

[0009] As a further improvement of one embodiment of this application, the second condenser 19 is attached to the lower surface of the second section 14-3 through a thermally conductive interface layer.

[0010] As a further improvement of one embodiment of this application, the thermally conductive interface layer includes aluminum foil or a thermally conductive sheet.

[0011] As a further improvement of one embodiment of this application, the second section 14-3 is provided with a groove matching the shape of the second condenser 19 on the side opposite to the interior of the compressor chamber 13.

[0012] As a further improvement of one embodiment of this application, the refrigeration device further includes a baffle 20 disposed between the air inlet 14-2 and the air outlet 14-4.

[0013] As a further improvement of one embodiment of this application, the first section 14-1 includes a first connecting piece 1 and a second connecting piece 2, the first connecting piece 1 extending along a first direction, the second connecting piece 2 extending along a second direction, and a first connecting segment 3 provided between the first connecting piece 1 and the second connecting piece 2; the second section 14-3 includes a third connecting piece 1' and a fourth connecting piece 2', the third connecting piece 1' extending along a first direction, the fourth connecting piece 2' extending along a second direction, and a second connecting segment 3' provided between the third connecting piece 1' and the fourth connecting piece 2', the first direction and the second direction being opposite.

[0014] As a further improvement of one embodiment of this application, the first connecting segment 3 includes a first inclined segment 5 and a second inclined segment 6, the first inclined segment 5 forming an acute angle with the first connecting piece 1, and the second inclined segment 6 forming an obtuse angle with the second connecting piece 2; the second connecting segment 3' includes a third inclined segment and a fourth inclined segment, the third inclined segment forming an acute angle with the third connecting piece 1', and the fourth inclined segment forming an obtuse angle with the fourth connecting piece 2'.

[0015] As a further improvement of one embodiment of this application, the press chamber also includes two side plates 31 located on both sides of the bottom steel 14, each side plate 31 being provided with a ventilation opening 32.

[0016] Compared with the prior art, the embodiments of this application have at least one of the following beneficial effects: This application discloses a refrigeration device. By dividing the bottom steel 14 into a heat-insulating first section 14-1 and a second section 14-3, and arranging the second condenser 19 on the outside and the first condenser 18 on the inside in series, and cooperating with the fan 17 to drive airflow from the air inlet 14-2 of the first section 14-1 and the air outlet 14-4 of the second section 14-3, this airflow organization allows the refrigerant to dissipate heat fully in the two condensers in sequence, realizing graded heat treatment. This not only reduces the internal temperature of the compressor compartment 13 and improves the working environment of the compressor 16, but also prevents heat from being conducted to the cold storage compartment through the box structure, thus improving the overall heat dissipation efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a refrigeration device 100 in one embodiment of this application.

[0018] Figure 2(a) is a schematic diagram of the structure of the compressor compartment 13 inside the refrigeration equipment 100 in one embodiment of this application.

[0019] Figure 2(b) is a schematic diagram of the cooling path of the internal airflow of the refrigeration device 100 in one embodiment of this application.

[0020] Figure 3(a) is a schematic diagram of the structure of the first section 14-1, the second section 14-3 and the heat insulation connector 15 in one embodiment of this application.

[0021] Figure 3(b) is a schematic diagram of the bottom steel 14 in one embodiment of this application.

[0022] Figure 4 This is a schematic diagram of the structure of the first segment 14-1 in one embodiment of this application.

[0023] Figure 5 This is a schematic diagram of the structure in one embodiment of the present application, showing that the side plate 31 of the compressor compartment 13 has a ventilation opening 32. Detailed Implementation

[0024] The present application will now be described in detail with reference to the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present application, and any structural, methodological, or functional modifications made by those skilled in the art based on these embodiments are included within the scope of protection of this application.

[0025] The terms used in this document, such as “center,” “upper,” “lower,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” indicating spatial relative positions, are used for illustrative purposes to describe the relationship of one unit or feature relative to another unit or feature as shown in the accompanying drawings. The terms “spatial relative positions” may be intended to include different orientations of the equipment in use or operation other than those shown in the figures.

[0026] For example, if the device in the figure is flipped, a unit described as being "below" or "under" other units or features will be "above" other units or features. Therefore, the exemplary term "below" can encompass both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or otherwise) and the spatially related descriptive terms used herein will be interpreted accordingly.

[0027] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0028] It should be noted that the term "comprising" or any other variation thereof is 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 process, method, article, or apparatus. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] like Figure 1 As shown, one embodiment of this application provides a refrigeration device 100.

[0030] Refrigeration equipment 100 refers to mechanical equipment that uses refrigeration technology to cool the ambient temperature or objects.

[0031] On the one hand, the refrigeration equipment 100 supports fully embedded or semi-embedded integrated installation, and can be completely built into a standardized cabinet or building wall. On the other hand, the refrigeration equipment 100 can also support freestanding installation, and can be placed directly on the ground or workbench via bottom support components.

[0032] In one embodiment, the refrigeration device 100 includes a refrigerator, an air conditioner, etc. This application can be described using a refrigerator as an example.

[0033] The refrigeration equipment 100 includes a housing 11 with a bottom space between its bottom and the ground. The housing 11 includes an outer shell and at least one inner liner. The outer shell is located on the outermost side of the refrigeration equipment 100 to protect the entire refrigeration equipment 100. Multiple inner liners are enclosed by the outer shell, and the space between the multiple inner liners and the outer shell is filled with insulation material to form an insulation layer to reduce heat loss from the inner liners to the outside.

[0034] Each inner liner can define a forward-opening storage space, which can be configured as a refrigerator compartment, freezer compartment, or variable temperature compartment, etc. The specific number and function of the storage space can be set according to actual needs.

[0035] The number of doors 12 can also be the same as the number of inner linings, meaning that each storage compartment of the inner lining, which opens forward, can be closed by its corresponding door 12. The doors 12 are rotatably mounted at the front of the housing 11. For example, the doors 12 can be hinged to one side of the front of the housing 11, and the storage compartments can be opened or closed by pivoting.

[0036] The refrigeration equipment 100 also includes an evaporator. The freezer compartment is located at the bottom of the refrigeration equipment 100 and defines a cooling compartment at the bottom. The evaporator is disposed in the cooling compartment to cool the airflow entering the cooling compartment. The freezer compartment is located above the cooling compartment, so that the cooling compartment is at the bottom of the cabinet 11.

[0037] As shown in Figure 2(a), the refrigeration equipment 100 includes a compressor compartment 13. The compressor compartment 13 serves as the core heat exchange and power drive unit in the refrigeration equipment 100, and its spatial layout and component coordination are related to the heat exchange efficiency of the refrigeration equipment 100.

[0038] Specifically, the compressor compartment 13 is located in the rear bottom area of ​​the housing 11. The bottom space optimizes the airflow path and reduces the interference of hot air recirculation on the refrigeration cycle. The compressor compartment 13 is constructed with a bottom steel 14 of high-strength metal, which together with the side panels, rear back panel, and top cover plate forms the enclosed space of the compressor compartment 13.

[0039] As shown in Figures 3(a) and 3(b), the bottom steel 14 can be made of metal sheet (such as steel plate) and formed into a double-section structure through processes such as stamping and welding. The first section 14-1 serves as the air intake side, with an air inlet 14-2 on its surface. The air inlet 14-2 adopts a flow guide design to reduce airflow resistance. The second section 14-3 serves as the exhaust side, with an air outlet 14-4 on its surface. The first section 14-1 and the second section 14-3 are designed to be mutually heat-insulated.

[0040] Referring again to Figure 3(a), in the structural design of the bottom steel 14 of the compressor chamber 13, the first section 14-1 includes a first connecting piece 1 located on the upper horizontal plane and a second connecting piece 2 located on the lower horizontal plane. The first connecting piece 1 extends along a first direction, and the second connecting piece 2 extends along a second direction opposite to the first direction. The first connecting piece 1 and the second connecting piece 2 are stably connected by a first connecting segment 3.

[0041] Similarly, the second segment 14-3 also possesses similar structural characteristics to the first segment 14-1, namely, it includes a third connecting piece 1' on the upper horizontal plane and a fourth connecting piece 2' on the lower horizontal plane. The third connecting piece 1' extends along a first direction, and the fourth connecting piece 2' extends along a second direction opposite to the first direction. The third connecting piece 1' and the fourth connecting piece 2' are stably connected by a second connecting segment 3'. This structural design makes both the first segment 14-1 and the second segment 14-3 form a similar "Z" shape in terms of spatial layout.

[0042] To achieve a perfect splicing of the first segment 14-1 and the second segment 14-3, the structural design of the second segment 14-3 must fully consider its compatibility with the first segment 14-1, ensuring precise alignment of the connecting pieces during splicing. Simultaneously, the size and shape of the second connecting segment 3' are designed to match the first connecting segment 3, ensuring a smooth and natural transition between the two segments after splicing, thus guaranteeing the overall structural continuity and stability. The splicing of the first segment 14-1 and the second segment 14-3 can be completed by welding, or the bottom steel 14 can be formed as a single piece. Figure 3(b) shows a schematic diagram of the spliced ​​bottom steel 14.

[0043] The first connecting piece 1 and the second connecting piece 2 extend in different directions at different levels. The transition through the first connecting section 3 ensures both the integrity of the structure and the ability to disperse stress through the connecting pieces in different directions when the first section 14-1 is under stress. Similarly, the second section 14-3 has the same effect, which will not be elaborated further.

[0044] like Figure 4 As shown, for the first section 14-1, its first connecting segment 3 is not a simple straight-line transition structure, but is composed of a first inclined segment 5 and a second inclined segment 6. The first inclined segment 5 is connected to the first connecting piece 1 at an acute angle, allowing the first inclined segment 5 to extend from the first connecting piece 1 at a relatively steep angle, providing specific directional guidance for the transition between the first connecting piece 1 and the subsequent structure. The second inclined segment 6 is connected to the second connecting piece 2 at an obtuse angle, meaning that the second inclined segment 6 is connected to the second connecting piece 2 at a relatively gentle angle. This obtuse angle connection helps to disperse the stress borne by the second connecting piece 2 and enhances the stability of the structure.

[0045] Similarly, the second connecting segment 3 of the second section 14-3 also adopts a similar structural design, consisting of a third inclined segment and a fourth inclined segment. The third inclined segment forms an acute angle with the third connecting piece 1', ensuring that the connection between the third inclined segment and the third connecting piece 1' has clear guidance, making force transmission smoother. The fourth inclined segment forms an obtuse angle with the fourth connecting piece 2', which further optimizes the force distribution of the fourth connecting piece 2' and reduces the risk of local stress concentration.

[0046] Referring again to FIG3(a), in one embodiment, a thermal insulation connector 15 is provided between the first section 14-1 and the second section 14-3. That is, the first end of the thermal insulation connector 15 is connected to the first section 14-1, and the second end of the thermal insulation connector 15 is connected to the second section 14-3.

[0047] In this way, by setting the heat insulation connector 15 to connect the first section 14-1 and the second section 14-3, the heat conduction between the two sections is effectively blocked, and the high-temperature second section 14-3 is prevented from transferring heat to the low-temperature first section 14-1, thereby ensuring the low-temperature characteristics of the airflow at the air inlet 14-2 and improving the heat exchange efficiency of the first condenser 18.

[0048] In one specific embodiment, the first end and the second end of the thermal insulation connector 15 are connected to the first section 14-1 and the second section 14-3 respectively by mechanical snap-fit, threaded fixing, plug-in or welding.

[0049] In one specific embodiment, the first section 14-1 is made of a non-thermal conductive material, and the second section 14-3 is made of a highly thermally conductive material. The first section 14-1 and the second section 14-3 can be integrally molded or directly connected (e.g., by welding) without the need for additional heat insulation components.

[0050] Thus, by using high-insulation materials or physical thermal break structures to completely thermally isolate the first section 14-1 (suction side) and the second section 14-3 (exhaust side), it helps to block the heat energy accumulated at the bottom of the exhaust side due to long-term contact with high-temperature exhaust air from being conducted to the suction side, thereby ensuring that the temperature of the air drawn in by the suction port is not affected by the heat of the exhaust side.

[0051] In one specific embodiment, the thermal insulation connector 15 is made of a material with low thermal conductivity, and its structure can be hollow or filled with thermal insulation particles to further reduce the thermal conductivity.

[0052] In one specific embodiment, the thermal insulation connector 15 is made of plastic. Of course, it can also be made of ceramic fiber or aerogel composite material, and there is no specific limitation.

[0053] In this way, by utilizing the low thermal conductivity of plastics, the thermal bridging effect between the two sections is further reduced while ensuring the structural connection strength. The plasticity and corrosion resistance of plastic parts also make them more suitable for long-term use in humid and refrigerated environments.

[0054] Referring again to Figure 2(a), the bottom steel 14 divides the compressor compartment 13 into a first compartment 7 and a second compartment 8. The compressor 16, the fan 17, and the first condenser 18 are centrally installed in the first compartment 7, specifically on the side of the bottom steel 14 facing the first compartment 7.

[0055] The refrigeration equipment 100 also includes a second condenser 19, which is located inside the second compartment 8, specifically on the other side of the bottom steel 14 facing the second compartment 8. The inlet of the second condenser 19 is connected to the exhaust pipe of the compressor 16.

[0056] In one embodiment, the bottom steel 14 is divided into a first section 14-1 (air inlet side) and a second section 14-3 (air outlet side), both of which are insulated to completely block heat conduction. The compressor 16 is located on the second section 14-3 of the bottom steel 14 facing the first compartment 7, and its outlet passes through the bottom steel 14 and connects to the second condenser 19. This "separate internal and external" layout utilizes the insulation properties of the second section 14-3 to block the conduction of the compressor 16's operating heat to the first section 14-1, preventing the temperature on the suction side from rising.

[0057] In one embodiment, the second condenser 19 is disposed on the second section 14-3 of the bottom steel 14 facing the second compartment 8.

[0058] Referring to Figure 2(a), the fan 17 is installed on the first section 14-1 of the bottom steel 14 facing the first compartment 7, specifically in the airflow channel between the air inlet 14-2 and the first condenser 18. It is configured to draw external cold air into the compressor compartment 13 through the air inlet 14-2.

[0059] The first condenser 18 is located on the first section 14-1 of the bottom steel 14 facing the first compartment 7, specifically on the air outlet side of the fan 17.

[0060] In one specific embodiment, the first condenser 18 is a microchannel condenser. The microchannel condenser adopts a porous flat tube structure, containing several tiny parallel flow channels inside. The refrigerant flows in a thin liquid film within the microchannels, increasing the heat exchange area. At the same time, the small flow channels lead to enhanced fluid turbulence, disrupting the thermal boundary layer and improving the heat exchange effect.

[0061] In one specific embodiment, the second condenser 19 is a bare tube condenser. A bare tube condenser uses smooth pipes as its core structure, with no additional heat sinks or heat transfer enhancement structures on the pipe surface. Heat exchange efficiency is improved through optimized pipe layout (e.g., coaxial or spiral design) and material selection (e.g., copper, aluminum), while simultaneously simplifying the manufacturing process and reducing cleaning difficulty. For example, in a coaxial bare tube condenser, the refrigerant condenses counter-currently in the inner and outer tube sandwich, while cooling water flows in the inner tube, forming a highly efficient heat exchange unit.

[0062] In one specific embodiment, the outlet of the first condenser 18 is connected to a decondensation pipe. Since the refrigerant at the condenser outlet is at room temperature, while the refrigerant in the storage compartment is at a high temperature, the refrigerant can heat surrounding components as it passes through the decondensation pipe, preventing frost formation. Specifically, the decondensation pipe can be installed at a location on the housing 11 requiring heating and decondensation, such as inside the central beam of the refrigeration equipment 100.

[0063] Since the compressor 16 generates heat when it is working, the first condenser 18 needs to cool the high-temperature refrigerant discharged by the compressor 16 in a timely manner, so the compressor compartment 13 needs to dissipate heat.

[0064] Specifically, when the system is running, the fan 17 starts, and airflow enters the compressor compartment 13 from the air inlet 14-2. Due to the exhaust action of the fan 17, the airflow is first guided to the first condenser 18 and flows over its fin surface. The first condenser 18 utilizes its own highly efficient heat exchange characteristics to exchange heat with the airflow, transferring some of the heat to the airflow and achieving initial heat dissipation.

[0065] Subsequently, the airflow continues to flow and passes over the surface of the compressor 16. The compressor 16 generates a large amount of heat during operation, and the airflow absorbs this heat, further increasing its temperature. This process achieves initial cooling of the compressor 16.

[0066] Next, the airflow changes direction and passes through the air outlet 14-4 on the second section 14-3. Due to the guiding effect of the air outlet 14-4, the airflow directly impacts the second condenser 19 located in the second compartment 8. The second condenser 19 has a large heat exchange area, enabling deep heat exchange with the airflow, further dissipating the heat carried in the airflow and the heat of the high-temperature refrigerant directly discharged by the compressor 16, thus completing the forced air cooling of the high-temperature refrigerant directly discharged by the compressor 16 and achieving deep heat dissipation.

[0067] As shown in Figure 2(b), through the orderly flow of the airflow and the phased heat dissipation of different components, a cooling path of "air inlet 14-2 → first condenser 18 → compressor 16 → air outlet 14-4 → second condenser 19" is formed, which achieves a high-efficiency heat dissipation effect on the compressor compartment 13.

[0068] In addition, the exhaust pipe of compressor 16 is connected in sequence to the second condenser 19 located in the second compartment 8, and then connected to the first condenser 18 in the first compartment 7 through the through-compartment pipe. Finally, the first condenser 18 is connected to the decondensation pipe, forming a refrigerant circulation path (i.e., refrigerant flow path) of "compressor 16 → second condenser 19 → first condenser 18 → decondensation pipe".

[0069] Specifically, compressor 16, as the core power source of the refrigeration system, discharges refrigerant gas at a high temperature, containing a large amount of heat. After this high-temperature, high-pressure gas is discharged from compressor 16, it first enters the second condenser 19 located in the second compartment 8. Since the second condenser 19 is located in the external environment (i.e., the second compartment 8), the refrigerant gas exchanges heat with the relatively cooler air outside the compartment. Through heat conduction and convection, it releases a large amount of heat it carries into the external environment, significantly reducing the temperature of the refrigerant gas and achieving initial heat dissipation and cooling. This process effectively utilizes the external air as a cooling medium to discharge the initial heat generated by the refrigeration system to the outside of the system, preventing heat from accumulating in the first compartment 7.

[0070] After initial cooling in the second condenser 19, the refrigerant enters the first condenser 18 inside the first compartment 7 through the transom piping. Although the refrigerant has already undergone one heat dissipation cycle, it still retains some heat. In the first condenser 18, the refrigerant exchanges heat again with the air inside the first compartment 7, further releasing its remaining heat into the air. However, since the refrigerant has already released most of its heat in the second condenser 19 before entering the first condenser 18, its temperature is relatively low at this point, and the amount of heat transferred to the air inside the compartment is also relatively small. This prevents the air inside the first compartment 7 from absorbing too much heat and becoming excessively hot.

[0071] Finally, the refrigerant, after being cooled again by the first condenser 18, is connected to the defrost pipe to continue the subsequent refrigeration cycle. The entire staged heat dissipation process first utilizes the external environment to dissipate a large amount of heat from the high-temperature refrigerant, and then utilizes the internal environment to dissipate a small amount of heat from the cooled refrigerant. This achieves a reasonable allocation of heat dissipation tasks, effectively controls the internal temperature, and improves the heat dissipation efficiency and overall performance of the refrigeration system.

[0072] It should be noted that the refrigerant flow process mainly focuses on the circulation of the refrigerant within the system and the transfer and release of heat. The high-temperature and high-pressure refrigerant gas discharged from the compressor 16 passes sequentially through the second condenser 19 and the first condenser 18, gradually dissipating heat into different environments, ultimately transforming the refrigerant from a high-temperature and high-pressure gas into a state suitable for subsequent circulation, ensuring the continuous and stable operation of the refrigeration system.

[0073] The airflow cooling path primarily involves guiding airflow through fan 17, which then exchanges heat with various heat-generating components (first condenser 18, compressor 16, second condenser 19) to remove the heat generated by these components. The aim is to reduce the temperature of components in compressor compartment 13 and related compartments, preventing overheating from affecting component performance and lifespan, thereby ensuring the normal operation of the entire refrigeration system. Ultimately, both methods aim to achieve effective heat dissipation of the refrigeration system and ensure stable system operation.

[0074] In one specific embodiment, a thermally conductive interface layer is used to achieve tight coupling between the second condenser 19 and the second section 14-3.

[0075] Thus, the tightly attached structural design ensures that the high-temperature heat generated by the compressor 16 can be quickly transferred to the bottom steel 14 for heat dissipation, avoiding local overheating. In addition, the setting of the heat-conducting interface layer significantly improves the heat transfer efficiency between the second condenser 19 and the second section 14-3.

[0076] Specifically, the thermal interface layer can be made of aluminum foil with a thickness of 0.1-0.5mm or a silicone thermally conductive sheet with a high thermal conductivity, and its coverage area matches the substrate size of the second condenser 19. During installation, the surface of the thermal interface layer is first cleaned and thermal grease is applied. Then, the thermal interface layer is attached to the lower surface of the second section 14-3 by mechanical pressing. Finally, the substrate of the second condenser 19 is fixed to the thermal interface layer with fastening bolts to ensure uniform pressure distribution on the contact surface.

[0077] This structure allows the heat generated by the second condenser 19 during operation to be quickly transferred to the metal material of the second section 14-3 through the heat-conducting interface layer. The large-area heat dissipation characteristics of the bottom steel 14 of the compressor chamber 13 are used to improve the condensation efficiency. At the same time, the flexibility of the aluminum foil can compensate for the deformation difference between the second condenser 19 and the second section 14-3, and the pre-formed structure of the heat-conducting sheet can adapt to the installation requirements of complex curved surfaces.

[0078] In one specific embodiment, a groove matching the shape of the second condenser 19 is provided on the side of the second section 14-3 away from the interior of the compressor compartment 13 (i.e., the side of the bottom steel 14 facing the second compartment 8).

[0079] Thus, by setting a groove in the second section 14-3 that matches the shape of the second condenser 19, the two are fitted together to form a surface contact heat conduction structure. By increasing the contact area between the two, not only is the heat conduction efficiency improved, but the structural stability is also enhanced, preventing the second condenser 19 from shifting due to vibration or thermal expansion and contraction. This embedded design is particularly suitable for maximizing heat dissipation in a limited space.

[0080] In one specific embodiment, the refrigeration device 100 further includes a wind deflector 20, which is disposed between the air inlet 14-2 and the air outlet 14-3.

[0081] In this way, by physically isolating the airflow channel between the air inlet 14-2 and the air outlet 14-4, the airflow in the bottom space is strictly separated from the airflow in the bottom space, preventing the cold air drawn in by the air inlet 14-2 from directly mixing with the hot airflow discharged by the air outlet 14-4 in the outer space to form an "airflow short circuit", thereby improving the heat dissipation efficiency of the second condenser 19.

[0082] In this embodiment, the wind deflector 20 extends along the surface of the bottom steel 14 on the outer side of the compressor compartment 13, and the connection method of the wind deflector 20 can be designed specifically according to the specific airflow organization requirements and structural space constraints.

[0083] When the wind deflector 20 adopts a two-end fixed structure, its two ends are fixed to the preset mounting platform on the outside of the bottom steel 14 of the compressor compartment 13 by mechanical connectors (such as bolts, rivets) or snap-fit ​​structures. Specifically, the body of the wind deflector 20 is an arc-shaped guide plate, with flat connecting ears extending from both ends. Positioning holes are opened on the connecting ears, which cooperate with the threaded holes or slots at the corresponding positions on the outside of the bottom steel 14, and rigid fixation is achieved by rotating bolts or embedding snap-fits.

[0084] The two-end fixing method ensures that the wind deflector 20 and the bottom steel 14 form a stable structural unit, effectively resisting vibration and impact during equipment operation and preventing deformation or displacement of the wind deflector 20 due to airflow pressure fluctuations. Simultaneously, the two-end fixing layout ensures a uniform and controllable gap between the wind deflector 20 and the bottom steel 14. As the airflow flows along the curved surface of the guide plate, the boundary layer development on both sides is symmetrical, reducing airflow deflection caused by unilateral fixing and improving the isolation effect between hot and cold airflows outside the cabin.

[0085] When the wind deflector 20 adopts a structure design with one end fixed and the other end free, its fixed end is connected to the outside of the bottom steel 14 by bolts or clips, while the free end is suspended in the air, maintaining a dynamic gap with the side of the bottom steel 14 or the second condenser 19. This design provides basic positioning through the fixed end, ensuring that the main flow direction of the wind deflector 20 is consistent with the expected airflow path, while the free end utilizes material elasticity or structural flexibility to adapt to displacement changes caused by equipment vibration or thermal expansion.

[0086] For example, when the vibration generated by the compressor 16 during operation is transmitted to the bottom steel 14, the free end can swing slightly with the bottom steel to avoid stress concentration or breakage of the baffle 20 due to rigid connection; at the same time, the gap between the free end and the side of the second condenser 19 can be automatically adjusted according to the airflow pressure. That is, when the exhaust pressure of the air outlet 14-4 increases, the free end is pushed away from the second condenser 19 by the airflow to expand the exhaust channel; when the pressure decreases, the free end returns to its position under the action of gravity or elastic restoring force to maintain the minimum gap to prevent heat backflow.

[0087] like Figure 5 As shown, in one embodiment, the compressor compartment 13 further includes two side plates 31 located on both sides of the bottom steel 14, each side plate 31 having a side ventilation opening 32. The outer shell of the refrigeration equipment 100 includes two horizontally extending box-shaped side plates, which extend vertically to form two side walls of the refrigeration equipment 100. Each of the two box-shaped side plates forms a side opening communicating with a corresponding side ventilation opening, allowing the heat dissipation airflow to flow to the outside of the refrigeration equipment 100. This further increases the heat dissipation path and ensures the heat dissipation effect of the compressor compartment 13.

[0088] This application has the following advantages over the prior art: First, by dividing the bottom steel 14 into a non-thermally conductive first section 14-1 and a thermally conductive second section 14-3, it is ensured that the drawn-in low-temperature airflow is not preheated. The second section 14-2, on the other hand, utilizes its thermal conductivity to transfer heat from the second condenser 19 to the flowing airflow, which is then discharged to the external environment through the air outlet 14-4. This partitioned design allows the airflow to complete the heat exchange process in an optimal state, significantly improving the overall heat dissipation efficiency.

[0089] Secondly, by directly connecting the compressor 16 exhaust pipe to the external second condenser 19, heat is processed in stages. The main heat dissipation process is completed outside the refrigeration equipment, and after pre-cooling, the heat enters the first condenser 18 inside the compressor compartment 13. This not only reduces the internal temperature of the compressor compartment 13 and improves the working environment of the compressor 16, but also prevents heat from being conducted to the cold storage compartment through the structure of the housing 11.

[0090] Finally, the non-conductive nature of the first section 14-1 and the second section 14-3 prevents heat from being conducted between the two sections and prevents the heat from the second section 14-3 from flowing back to the first section 14-1, further ensuring the low temperature effect of the air intake and the efficient heat dissipation of the air outlet, thus forming a good heat dissipation cycle.

[0091] In summary, this application provides a refrigeration device 100. By dividing the bottom steel 14 into a first section 14-1 and a second section 14-3 that are mutually insulated, and by installing a second condenser 19 on the side of the second section 14-3 away from the interior of the compressor chamber 13 (i.e., the mounting surface of the bottom steel 14 facing the second chamber 8), the conduction of heat from the compressor chamber 13 to the mounting area of ​​the second condenser 19 is effectively blocked, thus avoiding interference of heat from the chamber with the heat dissipation environment of the second condenser 19. This allows the second condenser 19 to perform forced air cooling in a relatively independent and temperature-stable environment. The second condenser 19 is connected in series with the first condenser 18 in the compressor compartment 13. With the help of the fan 17, the airflow enters from the air inlet 14-2 of the first section 14-1 and exits from the air outlet 14-4 of the second section 14-3. This airflow organization allows the refrigerant to dissipate heat fully in the two condensers in sequence. At the same time, the forced air cooling of the second condenser 19 further improves its heat dissipation efficiency, thereby improving the overall heat dissipation performance and operational stability of the refrigeration equipment 100.

[0092] It should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0093] The detailed descriptions listed above are merely specific descriptions of feasible implementation methods of this application and are not intended to limit the scope of protection of this application. All equivalent implementation methods or modifications made without departing from the spirit of the art of this application should be included within the scope of protection of this application.

Claims

1. A refrigeration device, characterized in that, include: The compressor compartment 13 includes a bottom steel 14, a compressor 16, a fan 17, and a first condenser 18. The bottom steel 14 includes a first section 14-1 and a second section 14-3. The first section 14-1 is provided with an air inlet 14-2, and the second section 14-3 is provided with an air outlet 14-4. The first section 14-1 and the second section 14-3 are configured to be mutually insulated. The second condenser 19 is located on the side of the second section 14-3 away from the interior of the compressor compartment 13. Its inlet is connected to the exhaust pipe of the compressor 16, and its outlet is connected to the first condenser 18. The outlet of the first condenser 18 is located outside the compressor compartment 13. The fan 17 is used to drive airflow from the air inlet 14-2 to the air outlet 14-4 to dissipate heat from the compressor compartment 13.

2. The refrigeration equipment according to claim 1, characterized in that, The refrigeration equipment also includes a heat-insulating connector 15, the first end of which is connected to the first section 14-1, and the second end of which is connected to the second section 14-3.

3. The refrigeration equipment according to claim 2, characterized in that, The heat-insulating connector 15 is a plastic connector.

4. The refrigeration equipment according to claim 1, characterized in that, The second condenser 1 is attached to the lower surface of the second section 14-3 through a thermally conductive interface layer.

5. The refrigeration equipment according to claim 4, characterized in that, The thermally conductive interface layer includes aluminum foil or a thermally conductive sheet.

6. The refrigeration equipment according to claim 1, characterized in that, The second section 14-3 has a groove on the side opposite to the interior of the compressor compartment 13 that matches the shape of the second condenser 19.

7. The refrigeration equipment according to claim 1, characterized in that, The refrigeration equipment also includes a wind deflector 20, which is disposed between the air inlet 14-2 and the air outlet 14-4.

8. The refrigeration equipment according to claim 1, characterized in that, The first section 14-1 includes a first connecting piece 1 and a second connecting piece 2. The first connecting piece 1 extends along a first direction, and the second connecting piece 2 extends along a second direction. A first connecting segment 3 is provided between the first connecting piece 1 and the second connecting piece 2. The second section 14-3 includes a third connecting piece 1' and a fourth connecting piece 2'. The third connecting piece 1' extends along a first direction, and the fourth connecting piece 2' extends along a second direction. A second connecting segment 3' is provided between the third connecting piece 1' and the fourth connecting piece 2'. The first direction and the second direction are opposite.

9. The refrigeration equipment according to claim 8, characterized in that, The first connecting segment 3 includes a first inclined segment 5 and a second inclined segment 6, wherein the first inclined segment 5 forms an acute angle with the first connecting piece 1, and the second inclined segment 6 forms an obtuse angle with the second connecting piece 2; The second connecting segment 3' includes a third inclined segment and a fourth inclined segment. The third inclined segment forms an acute angle with the third connecting piece 1', and the fourth inclined segment forms an obtuse angle with the fourth connecting piece 2'.

10. The refrigeration equipment according to claim 1, characterized in that, The compressor chamber 13 also includes two side plates 31 located on both sides of the bottom steel 14, and each side plate 31 is provided with a ventilation opening 32.

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