Drawer type compressor vehicle-mounted refrigerator with efficient heat exchange structure

Abstract

The invention relates to a drawer type compressor vehicle-mounted refrigerator with an efficient heat exchange structure. The technical problem that an existing drawer structure affects the heat transfer efficiency of the compressor refrigerator is solved. Comprising a refrigerator body internally provided with an aluminum inner container, a mounting cavity is formed in the aluminum inner container, a drawer piece is movably arranged in the mounting cavity, and a plurality of ventilation structures capable of communicating the interior of the drawer piece with the mounting cavity are arranged on the drawer piece. A heat exchange air duct is arranged between the outer side of the aluminum inner container and the inner side of the refrigerator body and communicates with the mounting cavity through a cavity heat exchange structure. The vehicle-mounted refrigerator has the advantages that through the design structure of the heat exchange fans and the heat exchange air duct, the overall operation is simple, meanwhile, only one group of heat exchange fans is needed, and the noise requirement of the vehicle-mounted refrigerator is also ensured by matching with the arc transition part.

Description

Technical Field

[0001] The invention belongs to the technical field of vehicle refrigerators, and in particular relates to a drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure. Background Art

[0002] Compressor car refrigerators are the most common refrigerators used in new energy vehicles. In order to make it more convenient for passengers to use, there are more and more types of compressor car refrigerators, including flip-top compressor car refrigerators, double-door compressor refrigerators and drawer-type compressor car refrigerators. Drawer-type compressor refrigerators are more convenient for users to put and take things out, but the existing drawer structure also affects the heat transfer efficiency of compressor refrigerators. On the one hand, the load cannot contact the inner wall of the refrigerator box, and on the other hand, the existence of the drawer box also hinders the heat exchange between the load inside the drawer and the air in the compressor box. Summary of the invention

[0003] The object of the present invention is to provide a drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure in view of the above problems.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a drawer-type compressor vehicle refrigerator with an efficient heat exchange structure, including a refrigerator body with an aluminum liner inside, a mounting cavity inside the aluminum liner, a drawer part movably arranged inside the mounting cavity, a plurality of ventilation structures that can connect the inside of the drawer part with the mounting cavity are arranged on the drawer part, a heat exchange air duct is arranged between the outside of the aluminum liner and the inside of the refrigerator body, and the heat exchange air duct is connected to the mounting cavity through the cavity heat exchange structure. The cavity heat exchange structure is arranged in the heat exchange air duct, and the heat exchange air duct is connected to the mounting cavity at the same time, realizing mutual circulation. The design of the ventilation structure enables the air in the drawer to circulate better with the air in the mounting cavity. The heat exchange structure of the refrigerator body is optimized through the cavity heat exchange structure, and the heat transfer efficiency is improved in conjunction with the ventilation structure, giving users a better driving experience.

[0005] In the above-mentioned drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure, one end of the aluminum liner is provided with an opening connected to the installation cavity, the drawer is connected to a door on the outside of the end close to the opening, and the volume of the drawer is smaller than the volume of the installation cavity, and the ventilation structure includes a plurality of through holes arranged on the circumferential outside of the drawer and a ventilation part arranged at the end of the drawer away from the door. The form of the through hole is not limited to a square, and the opening can meet the requirements of modeling and mold opening. The through hole strengthens the flow between the inside of the drawer and the inside of the installation cavity, and also plays a certain role in accelerating the flow.

[0006] In the above-mentioned drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure, a heat-insulating layer is provided between the aluminum liner and the refrigerator body, and the heat-insulating layer is any one of a polyurethane foam layer and a polyurethane layer and a vacuum insulation panel composite layer. The heat-insulating layer can keep the temperature inside the refrigerator body constant, and also prevent external heat from entering the refrigerator body, thereby avoiding the influence of the external temperature on the inside of the refrigerator body.

[0007] In the above-mentioned drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure, the cavity heat exchange structure includes an inner plate formed at the end of the aluminum inner tank away from the opening and vertically arranged, the heat exchange air duct is vertically arranged between the inner plate and the refrigerator body, the upper end of the heat exchange air duct is provided with an air outlet grille connected to the installation cavity, the lower end of the heat exchange air duct is provided with a return air grille connected to the installation cavity, the ventilation part corresponds to the return air grille, and a cavity heat exchange component is provided in the heat exchange air duct, the inner plate separates the heat exchange air duct from the installation cavity, and the air outlet grille and the return air grille are arranged at the upper and lower ends of the inner plate, which plays a role in air circulation in and out.

[0008] In the above-mentioned drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure, the cavity heat exchange component includes a heat exchange fan arranged at the lower end of the heat exchange air duct, the heat exchange fan corresponds to the return air grille, the inner plate is provided with a through slot at one end close to the heat exchange fan, and the heat exchange air duct is connected to the installation cavity through the through slot. The heat exchange fan and the heat exchange air duct are not limited to the upper and lower arrangement, and the form of the heat exchange fan is not limited to the centrifugal fan. When the heat exchange fan is running, the air in the installation cavity is drawn into the heat exchange air duct through the return air grille, and then the air in the heat exchange air duct is transmitted to the installation cavity through the air outlet grille, thereby completing the air circulation.

[0009] In the above-mentioned drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure, the heat exchange air duct has an arc transition portion at one end close to the air outlet grille, and the heat exchange fan is any one of a centrifugal fan or an axial flow fan. The design mechanism of the arc transition portion can reduce the influence of airflow vortex, reduce system resistance and system noise, and when air is transmitted from the heat exchange air duct to the installation cavity, the arc transition portion plays a certain role in guiding the flow.

[0010] In the above-mentioned drawer-type compressor vehicle refrigerator with high-efficiency heat exchange structure, a refrigeration assembly is provided on the outside of the refrigerator body, the refrigeration assembly has an evaporation tube and is arranged at the end of the refrigerator body away from the opening, the evaporation tube contacts the outside of the aluminum liner, the refrigeration assembly includes a mounting platform arranged on the lower side of the end of the refrigerator body away from the opening, a compressor is arranged on the upper end of the mounting platform, a condenser is connected to the upper end of the compressor, a drying filter connected to the condenser is arranged on one side of the compressor, a capillary tube is arranged at the lower end of the drying filter, the evaporation tube is arranged on the circumferential outer side of the aluminum liner by winding, the inlet end of the evaporation tube is connected to the capillary tube, and the outlet end of the evaporation tube is connected to the compressor. The compressor sends the high-temperature refrigerant gas into the condensation heat exchange system, the refrigerant liquid after condensation and cooling by the condenser enters the drying filter for drying and impurity removal, and then the refrigerant liquid enters the capillary tube for throttling and pressure reduction, and the low-temperature and low-pressure refrigerant liquid enters the evaporation tube, the evaporation tube transfers the cold energy to the aluminum liner, and the aluminum liner transfers the cold energy to the air and load in the box.

[0011] In the above-mentioned drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure, the condenser has a plurality of fins, and a heat dissipation fan is provided at the lower end of the condenser. The condenser adopts wave-shaped fins to increase the heat exchange area, and the heat dissipation fan adopts an axial flow fan with a noise of ≤35dB, thereby controlling the noise of the refrigerator.

[0012] In the above-mentioned drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure, the thickness of the insulation layer is 30mm-40mm, and the thickness of the aluminum liner is 1mm-2mm. The thickness of the insulation layer can be determined according to the volume of the refrigerator and the use requirements.

[0013] In the above-mentioned drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure, a sealing portion is provided on the outer circumferential side of the opening, a sealing gasket is provided on the circumferential side of the door close to the opening, and the sealing gasket is in contact with the sealing portion.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] 1. The device accelerates the flow of air in the installation cavity through the design structure of the heat exchange fan and the heat exchange air duct, and uses the cooperation of the air outlet grille and the return air grille to achieve the effect of rapid temperature change.

[0016] 2. The device uses a group of heat exchange fans to control the air flow, making the overall operation simple, and with the cooperation of the arc transition part of the heat exchange air duct, it also ensures the noise requirements of the car refrigerator.

[0017] 3. The device opens a plurality of through holes inside the drawer, so that the air in the drawer and the air in the installation cavity can circulate more easily, thereby improving the heat exchange efficiency between the load and the airflow, and also making the load temperature uniform, thereby improving the overall use effect of the vehicle refrigerator. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention.

[0019] Figure 2 It is a structural cross-sectional view of the present invention.

[0020] Figure 3 The present invention Figure 2 A magnified view of the structure at center.

[0021] In the figure: refrigerator body 1, aluminum liner 11, installation cavity 12, opening 13, drawer 14, heat exchange duct 15, door 16, insulation layer 17, sealing part 18, sealing gasket 19, ventilation structure 2, through hole 21, ventilation part 22, cavity heat exchange structure 3, inner plate 31, air outlet grille 32, return air grille 33, refrigeration component 4, evaporator tube 41, installation platform 42, compressor 43, condenser 44, drying filter 45, capillary tube 46, fin 47, cooling fan 48, cavity heat exchange component 5, heat exchange fan 51, through groove 52, arc transition part 53. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] like Figure 1-3 As shown, a drawer-type compressor vehicle refrigerator with an efficient heat exchange structure includes a refrigerator body 1 with an aluminum liner 11 inside, a mounting cavity 12 inside the aluminum liner 11, a drawer 14 movably arranged inside the mounting cavity 12, a plurality of ventilation structures 2 that can connect the inside of the drawer 14 with the mounting cavity 12 are arranged on the drawer 14, and a heat exchange air duct 15 is provided between the outside of the aluminum liner 11 and the inside of the refrigerator body 1, and the heat exchange air duct 15 is connected to the mounting cavity 12 through the cavity heat exchange structure 3. The cavity heat exchange structure 3 is arranged in the heat exchange air duct 15, and at the same time, the heat exchange air duct 15 is connected to the mounting cavity 12 to achieve mutual circulation. The design of the ventilation structure 2 allows the air in the drawer 14 to circulate better with the air in the mounting cavity 12, and the heat exchange structure of the refrigerator body 1 is optimized through the cavity heat exchange structure 3, and the heat transfer efficiency is improved in conjunction with the ventilation structure 2, giving users a better driving experience.

[0024] Combination Figure 2 and Figure 3As shown, an opening 13 communicating with the installation cavity 12 is provided at one end of the aluminum liner 11, a box door 16 is connected to the outer side of the end of the drawer 14 close to the opening 13, and the volume of the drawer 14 is smaller than the volume of the installation cavity 12, and the ventilation structure 2 includes a plurality of through holes 21 arranged on the outer side of the drawer 14 in the circumferential direction and a ventilation part 22 arranged at the end of the drawer 14 away from the box door 16. The form of the through hole 21 is not limited to a square, and the opening can meet the requirements of the shape and mold opening. The through hole 21 strengthens the circulation inside the drawer 14 and the installation cavity 12, and also plays a role in accelerating the flow to a certain extent.

[0025] Among them, an insulation layer 17 is provided between the aluminum liner 11 and the refrigerator body 1, and the insulation layer 17 is any one of a polyurethane foam layer, a polyurethane layer and a composite layer of a vacuum insulation panel. The insulation layer 17 can keep the internal temperature of the refrigerator body 1 constant, and also prevent external heat from entering the refrigerator body 1, thereby avoiding the influence of the external temperature on the inside of the refrigerator body 1.

[0026] Specifically, the cavity heat exchange structure 3 includes an inner plate 31 formed at one end of the aluminum liner 11 away from the opening 13 and vertically arranged, the heat exchange air duct 15 is vertically arranged between the inner plate 31 and the refrigerator body 1, the upper end of the heat exchange air duct 15 is provided with an air outlet grille 32 connected to the installation cavity 12, the lower end of the heat exchange air duct 15 is provided with a return air grille 33 connected to the installation cavity 12, the ventilation part 22 corresponds to the return air grille 33, and the heat exchange air duct 15 is provided with a cavity heat exchange component 5. The inner plate 31 separates the heat exchange air duct 15 from the installation cavity 12, and the air outlet grille 32 and the return air grille 33 are arranged at the upper and lower ends of the inner plate 31, which plays a role in air circulation in and out.

[0027] Furthermore, the cavity heat exchange assembly 5 includes a heat exchange fan 51 disposed at the lower end of the heat exchange air duct 15, the heat exchange fan 51 corresponds to the return air grille 33, a through slot 52 is provided at one end of the inner plate 31 close to the heat exchange fan 51, and the heat exchange air duct 15 is connected to the installation cavity 12 through the through slot 52. The heat exchange fan 51 and the heat exchange air duct 15 are not limited to the upper and lower arrangement form, and the form of the heat exchange fan 51 is not limited to a centrifugal fan. When the heat exchange fan 51 is running, the air in the installation cavity 12 is drawn into the heat exchange air duct 15 through the return air grille 33, and then the air in the heat exchange air duct 15 is transmitted to the installation cavity 12 through the outlet grille 32, thereby completing the air circulation.

[0028] Furthermore, the heat exchange air duct 15 has an arc transition portion 53 at one end close to the air outlet grille 32, and the heat exchange fan 51 is any one of a centrifugal fan or an axial flow fan. The design mechanism of the arc transition portion 53 can reduce the influence of air flow vortex, reduce system resistance and system noise. When air is transmitted from the heat exchange air duct 15 to the installation cavity 12, the arc transition portion 53 plays a certain role in guiding the flow.

[0029] like Figure 1 As shown, a refrigeration assembly 4 is provided on the outside of the refrigerator body 1, the refrigeration assembly 4 has an evaporation tube 41 and the refrigeration assembly is arranged at the end of the refrigerator body 1 away from the opening 13, the evaporation tube 41 is in contact with the outside of the aluminum inner liner 11, the refrigeration assembly 4 includes a mounting platform 42 arranged on the lower side of the end of the refrigerator body 1 away from the opening 13, a compressor 43 is provided on the upper end of the mounting platform 42, a condenser 44 is connected to the upper end of the compressor 43, a drying filter 45 connected to the condenser 44 is provided on one side of the compressor 43, a capillary tube 46 is provided at the lower end of the drying filter 45, the evaporation tube 41 is arranged on the circumferential outside of the aluminum inner liner 11 by winding, the inlet end of the evaporation tube 41 is connected to the capillary tube 46, and the outlet end of the evaporation tube 41 is connected to the compressor 43. The compressor 43 delivers the high-temperature refrigerant gas into the condensation heat exchange system. The refrigerant liquid condensed and cooled by the condenser 44 enters the drying filter 45 for drying and impurity removal. Then the refrigerant liquid enters the capillary tube 46 for throttling and pressure reduction. The low-temperature and low-pressure refrigerant liquid enters the evaporator tube 41. The evaporator tube 41 transfers the cold energy to the aluminum inner liner 11, and the aluminum inner liner 11 transfers the cold energy to the air and load in the box.

[0030] The condenser 44 has a plurality of fins 47, and a cooling fan 48 is provided at the lower end of the condenser 44. The condenser 44 uses corrugated fins to increase the heat exchange area, and the cooling fan 48 uses an axial flow fan with a noise of ≤35dB, thereby controlling the noise of the refrigerator.

[0031] like Figure 2 As shown, the thickness of the heat-insulating layer 17 is 30 mm to 40 mm, and the thickness of the aluminum liner 11 is 1 mm to 2 mm. The thickness of the heat-insulating layer 17 can be determined according to the volume of the refrigerator and the use requirements.

[0032] A sealing portion 18 is provided on the outer side of the opening 13 in the circumferential direction, and a sealing gasket 19 is provided on the circumferential side of the door 16 close to the opening 13 , and the sealing gasket 19 is in contact with the sealing portion 18 .

[0033] The principle of this embodiment is:

[0034] The heat exchange fan 51 draws the cold air in the installation cavity 12 into the heat exchange duct 15 through the return air grille 33, and the airflow then enters the installation cavity 12 from the outlet grille 32. Due to the through hole 21 of the drawer 14, the airflow can enter the drawer 14 through the through hole 21 to exchange heat with the load, thereby enhancing the disturbance between the airflow and the load. Forced convection heat exchange is performed between the air in the installation cavity 12 and the load, which not only improves the heating and cooling rate of the load, but also improves the temperature uniformity of the load.

[0035] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0036] Although the present invention uses more terms such as refrigerator box 1, aluminum liner 11, installation cavity 12, opening 13, drawer 14, heat exchange air duct 15, door 16, insulation layer 17, sealing part 18, sealing gasket 19, ventilation structure 2, through hole 21, ventilation part 22, cavity heat exchange structure 3, inner plate 31, air outlet grille 32, return air grille 33, refrigeration component 4, evaporation tube 41, installation platform 42, compressor 43, condenser 44, drying filter 45, capillary tube 46, fin 47, heat dissipation fan 48, cavity heat exchange component 5, heat exchange fan 51, through groove 52, arc transition part 53, etc., the possibility of using other terms is not excluded. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure, comprising a refrigerator body (1) with an aluminum liner (11) inside, wherein the aluminum liner (11) has a mounting cavity (12), and a drawer (14) is movably disposed in the mounting cavity (12), characterized in that: The drawer (14) is provided with a plurality of ventilation structures (2) capable of connecting the interior of the drawer (14) and the installation cavity (12); a heat exchange air duct (15) is provided between the outside of the aluminum liner (11) and the inside of the refrigerator body (1); and the heat exchange air duct (15) is connected to the installation cavity (12) through the cavity heat exchange structure (3).

2. The drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure according to claim 1, characterized in that: One end of the aluminum liner (11) is provided with an opening (13) connected to the installation cavity (12); the outer side of the drawer (14) close to the opening (13) is connected to a box door (16); the volume of the drawer (14) is smaller than the volume of the installation cavity (12); and the ventilation structure (2) includes a plurality of through holes (21) arranged on the circumferential outer side of the drawer (14) and a ventilation portion (22) arranged on the end of the drawer (14) away from the box door (16).

3. The drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure according to claim 2, characterized in that: A heat-insulating layer (17) is provided between the aluminum liner (11) and the refrigerator body (1), and the heat-insulating layer (17) is any one of a polyurethane foam layer and a composite layer of a polyurethane layer and a vacuum insulation panel.

4. A drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure according to claim 2 or 3, characterized in that: The cavity heat exchange structure (3) comprises an inner plate (31) formed at one end of the aluminum inner liner (11) away from the opening (13) and arranged vertically, the heat exchange air duct (15) is arranged vertically between the inner plate (31) and the refrigerator body (1), the upper end of the heat exchange air duct (15) is provided with an air outlet grille (32) connected to the installation cavity (12), the lower end of the heat exchange air duct (15) is provided with a return air grille (33) connected to the installation cavity (12), the ventilation part (22) corresponds to the return air grille (33), and the heat exchange air duct (15) is provided with a cavity heat exchange component (5).

5. The drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure according to claim 4, characterized in that: The cavity heat exchange assembly (5) includes a heat exchange fan (51) arranged at the lower end of the heat exchange air duct (15), the heat exchange fan (51) corresponds to the return air grille (33), the inner plate (31) is provided with a through groove (52) at one end close to the heat exchange fan (51), and the heat exchange air duct (15) is connected to the installation cavity (12) through the through groove (52).

6. The drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure according to claim 5, characterized in that: The heat exchange air duct (15) has an arc transition portion (53) at one end close to the air outlet grille (32), and the heat exchange fan (51) is any one of a centrifugal fan and an axial flow fan.

7. The drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure according to claim 2, characterized in that: A refrigeration assembly (4) is provided on the outside of the refrigerator body (1), the refrigeration assembly (4) having an evaporation tube (41) and arranged at one end of the refrigerator body (1) away from the opening (13), the evaporation tube (41) being in contact with the outside of the aluminum inner liner (11), the refrigeration assembly (4) comprising a mounting platform (42) arranged at the lower side of the end of the refrigerator body (1) away from the opening (13), a compressor (43) being provided at the upper end of the mounting platform (42), a condenser (44) being connected to the upper end of the compressor (43), a drying filter (45) connected to the condenser (44) being provided at one side of the compressor (43), a capillary tube (46) being provided at the lower end of the drying filter (45), the evaporation tube (41) being arranged on the circumferential outside of the aluminum inner liner (11) by winding, the inlet end of the evaporation tube (41) being connected to the capillary tube (46), and the outlet end of the evaporation tube (41) being connected to the compressor (43).

8. The drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure according to claim 7, characterized in that: The condenser (44) has a plurality of fins (47), and a heat dissipation fan (48) is provided at the lower end of the condenser (44).

9. The drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure according to claim 3, characterized in that: The thickness of the thermal insulation layer (17) is 30 mm-40 mm, and the thickness of the aluminum liner (11) is 1 mm-2 mm.

10. The drawer-type compressor vehicle refrigerator with a high-efficiency heat exchange structure according to claim 2, characterized in that: A sealing portion (18) is provided on the outer circumferential side of the opening (13), and a sealing gasket (19) is provided on the circumferential side of the door (16) close to the opening (13), and the sealing gasket (19) is in contact with the sealing portion (18).

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