CN110285629A - Refrigerators with the cooling compartment located at the lower inner side of the freezer liner - Google Patents

Abstract

The invention provides a refrigerator with a cooling chamber located at the inner lower part of the freezing liner. A cooling chamber is defined, and a storage compartment located above the cooling chamber is defined in the storage inner container; the evaporator is arranged in the cooling chamber, and the cooling chamber occupies the lower space inside the freezing inner container, which can effectively raise the temperature of the freezing inner container. The position of the freezer compartment above the cooling compartment reduces the bending degree of the user when picking and placing items in the freezer compartment, and improves the user experience. The centrifugal fan is located in the cooling chamber and is arranged on the rear side of the evaporator inclined backwards to reduce the height of the centrifugal fan and reduce the space occupied by the cooling chamber, thereby increasing the space above the cooling chamber in the freezer inner container and storing A storage compartment above the cooling chamber is defined in the inner tank.

Description

Refrigerators with the cooling compartment located at the lower inner side of the freezer liner

technical field

The invention relates to the technical field of household appliances, in particular to a refrigerator with a cooling chamber located at the inner lower part of a freezer inner container.

Background technique

For the integrated cabinet assembled in the kitchen, in order to improve the aesthetics and integrity of the cabinet, the integrated cabinet often uses a built-in refrigerator. The space for the built-in refrigerator is limited, and the structural design of the refrigerator needs to focus on the layout of the refrigerator and other equipment. Reasonable allocation of space.

In existing refrigerators, the freezer compartment is generally located at the lower part of the refrigerator, the evaporator is located at the rear of the freezer compartment, and the compressor compartment is located at the rear lower part of the freezer compartment. The depth of the freezer.

Contents of the invention

In view of the above problems, an object of the present invention is to provide a refrigerator in which the cooling chamber is located at the inner lower part of the freezer inner container, which overcomes the above problems or at least partially solves the above problems.

A further object of the present invention is to improve the rationality of space utilization in the refrigerator.

The invention provides a refrigerator with a cooling chamber located at the inner lower part of the freezer liner, comprising:

A box body, the box body includes a storage liner, the storage liner includes a refrigerated liner located at the bottom, and a cooling chamber is defined at the lower part inside the refrigerated liner;

The evaporator is arranged in the cooling chamber;

The centrifugal fan is located in the cooling chamber and is arranged on the rear side of the evaporator inclined backward to reduce the installation height of the centrifugal fan. The centrifugal fan is configured to promote the cold air flow cooled by the evaporator to flow to the storage compartment.

Optionally, the centrifugal fan includes a casing and an impeller disposed in the casing near the front end;

The casing extends upwards from the front to the back, and a cold air inlet is formed on the upper surface corresponding to the impeller, and a cold air outlet is formed on the rear end, and the inclination direction of the impeller is parallel to the inclination direction of the casing;

The refrigerator also includes a refrigerated air supply duct, which extends vertically upwards along the rear wall of the refrigerated liner, and the lower end of the refrigerated air supply duct is connected and communicated with the cold air outlet at the rear end of the casing to transport and evaporate air. The cold air flow after the heat exchanger.

Optionally, the angle formed by the upper surface of the casing and the vertical surface ranges from 55° to 70°.

Optionally, the value range of the angle formed by the lower surface of the casing and the refrigerated air supply duct is 120° to 135°.

Optionally, the value range of the horizontal distance between the front surface of the casing and the rear surface of the evaporator is 15 mm to 25 mm.

Optionally, the storage compartment includes a freezer compartment directly above the cooling compartment and a temperature-changing compartment directly above the freezer compartment defined by the freezer inner container;

The freezing air supply duct has an air supply outlet connected to the freezing chamber and an air supply outlet connected to the variable greenhouse.

Optionally, the refrigerator also includes:

A cover plate with an open rear, which is buckled on the bottom of the freezer inner container to define a cooling chamber together with the rear wall and the bottom wall of the freezer inner container;

An air return port is formed on the upper front side of the cover plate, so that the return air flow from the freezing chamber and the temperature-changing chamber flows into the cooling chamber through the return air port for recooling.

Optionally, the refrigerator also includes:

The stepped windshield from front to back is located below the upper surface of the cover plate and is set on the upper part of the evaporator. The windshield includes:

The front plate section is spaced apart from the upper surface of the evaporator so that part of the return air flow enters the space between the front plate section and the upper surface of the evaporator to exchange heat with the evaporator;

The rear plate section is connected to the rear end of the front plate section, and is tightly attached to the upper surface of the evaporator, so as to avoid the gap formed between the rear plate section and the upper surface of the evaporator, causing part of the return air flow to pass through the gap instead of the evaporator;

The space between the windshield and the upper surface of the cover plate is filled with windshield foam, so as to prevent part of the return air flow from entering the space between the windshield and the upper surface of the cover plate without passing through the evaporator.

Optionally, the storage inner container also includes a refrigerated inner container located above the frozen inner container;

The storage compartment also includes a refrigerated compartment defined by the refrigerated liner;

The refrigerator also includes a refrigerated air supply duct, which is arranged on the inner side of the rear wall of the refrigerated liner, and its inlet is connected and communicated with the outlet of the refrigerating air supply duct, and has an air supply outlet communicated with the refrigerating room to deliver cold air to the refrigerating room .

Optionally, the refrigerator also includes:

Two return air ducts are respectively arranged on the lateral sides of the storage liner, and the two ends of each return air duct are respectively connected to the refrigerating room and the cooling room, so as to transport the return air from the refrigerating room to the cooling room for cooling. Refrigerate.

In the refrigerator of the present invention, the cooling chamber is located at the lower inner side of the freezing inner container, the cooling chamber is arranged at the lower inner side of the freezing inner container, occupies the lower space inside the freezing inner container, and can effectively raise the storage room located at the upper part of the cooling chamber in the freezing inner container The position of the compartment (for example, the freezer compartment above the cooling compartment) reduces the bending degree of the user when picking and placing items in the freezer compartment, and improves the user experience. In addition, the centrifugal fan is installed on the rear side of the evaporator inclined backwards, so as to reduce the installation height of the centrifugal fan and the height space occupied by the centrifugal fan, thereby reducing the height space occupied by the cooling chamber and ensuring cooling. The storage volume of the storage compartment in the upper part of the chamber.

Further, the cooling chamber of the present invention is located in the refrigerator at the inner lower part of the freezer inner container, and the centrifugal fan has a special design structure, which can reduce wind loss and ensure air supply efficiency.

Further, the cooling chamber of the present invention is located in the refrigerator at the lower inner side of the freezer, and the upper part of the evaporator is provided with a specially constructed windshield. When frost forms on the front end of the evaporator, the return air flow can enter the front plate of the windshield. The space between the section and the upper surface of the evaporator exchanges heat with the evaporator, and cools down to form a cold air flow, which ensures the continuous supply of the cold air flow.

Those skilled in the art will be more aware of the above and other objects, advantages and features of the present invention according to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings.

Description of drawings

Hereinafter, some specific embodiments of the present invention will be described in detail by way of illustration and not limitation with reference to the accompanying drawings. The same reference numerals in the drawings designate the same or similar parts or parts. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the attached picture:

FIG. 1 is a schematic diagram of a refrigerator according to an embodiment of the present invention;

Fig. 2 is an exploded schematic diagram of a refrigerator according to an embodiment of the present invention;

Fig. 3 is a schematic diagram of a refrigerator according to an embodiment of the present invention, wherein the door body of the refrigerator compartment, the temperature-changing drawer and the freezer drawer are hidden;

Fig. 4 is an exploded schematic diagram of the structure shown in Fig. 3, wherein the two side panels of the box are hidden;

Fig. 5 is a schematic diagram of a refrigerator according to an embodiment of the present invention, in which part of the structure of the door body of the refrigerator compartment, the temperature-changing drawer, the freezer drawer and the cover plate are hidden to show the components arranged inside the cooling compartment;

6 is a partial sectional view of a refrigerator according to an embodiment of the present invention;

Fig. 7 is a partial schematic diagram of Fig. 6;

Fig. 8 is a schematic diagram of a centrifugal fan and a freezing air supply duct of a refrigerator according to an embodiment of the present invention;

Fig. 9 is a partial schematic diagram of a refrigerator according to an embodiment of the present invention, which shows the structure of the bottom of the box;

Fig. 10 is a partial schematic diagram of a refrigerator according to an embodiment of the present invention, in which the side panels of the box are hidden to show the structure inside the bottom of the box;

Fig. 11 is a schematic diagram of the bottom structure of a refrigerator according to an embodiment of the present invention, wherein the side panels of the box are hidden; and

FIG. 12 is an exploded schematic view of the structure shown in FIG. 11 .

Detailed ways

As shown in Figures 1 to 4, this embodiment firstly provides a refrigerator 10 in which the cooling chamber 133 is located at the inner lower part of the freezer inner container 130, the refrigerator 10 generally includes a box body 100, and the box body 100 includes a casing 110 and a The storage liner inside the shell 110, the space between the shell 110 and the storage liner is filled with thermal insulation material (forming a foam layer), the storage liner 120 is defined with a storage compartment, the storage liner 120 may generally include a freezing inner container 130, a refrigerating inner container 120, etc., the freezing inner container 130 is positioned above the refrigerating inner container 120, and the storage compartment includes a freezing chamber 132 defined in the freezing inner container 130 and a refrigerating inner container 120. Defined refrigerator compartment 121 .

As those skilled in the art can appreciate, the refrigerator 10 in the embodiment of the present invention may further include an evaporator 101, a blower fan, a compressor 104, a condenser 105, and a throttling element (not shown). The evaporator 101 is connected with the compressor 104, the condenser 105, and the throttling element through a refrigerant pipeline to form a refrigerating cycle, and the temperature of the evaporator 104 is lowered when the compressor 104 starts to cool the air flowing through it.

Particularly, in this embodiment, as shown in Fig. 1 to Fig. 4, the refrigerated liner 130 is located at the lower part of the box body, and the inner lower part defines a cooling chamber 133, the evaporator 101 is arranged in the cooling chamber 133, and the blower fan is Centrifugal fan 103, the centrifugal fan 103 is arranged in the cooling chamber 133 and is located at the rear side of the evaporator 101, and the storage inner tank is defined with a storage compartment above the cooling chamber 133, and the centrifugal fan is configured to promote cooling by the evaporator 101 The cold air flows to the storage compartment.

In some embodiments, the storage compartment includes a freezer compartment 132 defined by the freezer inner container 130 and a freezer compartment 132 directly above the cooling compartment 133 and a variable temperature compartment 131 directly above the freezer compartment 132, the variable compartment 131 and the freezer compartment 132 are both Drawer structure, as shown in Fig. 2 and in conjunction with Fig. 3, the front side of the variable room 131 is provided with a variable room drawer door panel 137 to open or close the variable room 131, and the front side of the freezing room 132 is provided with a freezing room drawer door panel 138 , to open or close the freezer compartment 132. The refrigerator inner container 120 is located above the freezer inner container 130 , and the storage compartment includes a refrigerator compartment 121 defined by the refrigerator inner container 120 .

As is well known to those skilled in the art, the temperature in the refrigerator compartment 121 is generally between 2°C and 10°C, preferably between 4°C and 7°C. The temperature within the freezer compartment 132 typically ranges from -22°C to -14°C. The variable room 131 can be adjusted to -18°C to 8°C at will. Different types of items have different optimal storage temperatures and suitable storage locations. For example, fruits and vegetables are suitable for storage in the refrigerator compartment 121 , while meat foods are suitable for storage in the freezer compartment 132 .

In particular, as shown in Figures 5 to 7, the centrifugal fan 103 of this embodiment is arranged on the rear side of the evaporator 101 inclined backwards, that is to say, the top of the centrifugal fan 103 is more forward than the bottom end, so that The centrifugal fan 103 as a whole assumes a posture inclined backwards. Thus reducing the arrangement height of the centrifugal fan 103, reducing the height space occupied by the centrifugal fan 103, thereby reducing the height space occupied by the cooling chamber 133, and ensuring the storage volume of the storage compartment on the top of the cooling chamber 133.

In traditional refrigerators, the freezer is generally located at the bottom of the refrigerator, making the location of the freezer relatively low. Users need to bend over or squat down to pick and place items in the freezer, which is inconvenient for users, especially inconvenient Used by the elderly. In this embodiment, the cooling chamber 133 is arranged in the lower space inside the freezing inner container, so that the cooling chamber 133 occupies the lower space in the freezing inner container, which increases the height of the freezing chamber 132 and reduces the user's need to remove the freezing chamber 132. The degree of bending when placing items improves the user experience. And by setting the centrifugal fan 103 inclined backward, the space occupied by the cooling chamber 133 is reduced, and the space of the freezing chamber 132 and the temperature-changing chamber 131 positioned above the cooling chamber 133 in the freezing inner container 130 is increased.

In some embodiments, as shown in Figures 4 and 5, the evaporator 101 is placed horizontally in the cooling chamber 133 in the shape of a flat cube as a whole, that is, the long and wide surfaces of the evaporator 101 are parallel to the horizontal plane, and the thickness plane is placed perpendicular to the horizontal plane. , the evaporator 101 is parallel to the ground as a whole, and the thickness dimension is obviously smaller than the length dimension of the evaporator 101 . By placing the evaporator 101 horizontally in the cooling chamber 133 , the evaporator 101 is prevented from occupying more space, and the storage volume of the freezing chamber 132 and the variable chamber 131 at the top of the cooling chamber 133 is ensured.

The centrifugal fan 103 includes a casing 103a and an impeller 103b disposed near the front end of the casing 103a. The casing 103a extends obliquely from front to back, and a cold air inlet is formed on its upper surface corresponding to the impeller 103b. The end is formed with a cold air outlet. The inclination direction of the impeller 103b is parallel to the inclination direction of the casing 103a.

The refrigerator 10 also includes a refrigerated air supply duct 141, the refrigerated air supply duct 141 extends vertically upwards along the rear wall of the refrigerated liner 130, and the lower end of the refrigerated air supply duct 141 is connected to the cold air outlet at the rear end of the casing 103a. Communication, the freezing air supply duct 141 has the air supply outlet 141a connected to the freezing chamber 132 and the air supply outlet 141b connected to the variable room 131, so as to transport the cold air flow after the heat exchange with the evaporator 101 to the freezing room 132 and the variable temperature room respectively 131, to keep the freezing chamber 132 at the corresponding temperature, and keep the variable temperature chamber 131 at the corresponding temperature.

In some embodiments, referring to FIG. 6, the angle β between the upper surface 103a-2 of the casing 103a and the vertical surface ranges from 55° to 70°. While occupying the height space of 103, the air flow loss is minimized, so as to ensure the compactness of the space layout and ensure the air supply efficiency. Moreover, the inclination direction of the impeller 103b is roughly parallel to the inclination direction of the casing 103a, so that the air outlet air path of the casing 103a located behind the impeller 103b is roughly parallel to the impeller 103b, so as to avoid the wind at the outlet of the centrifugal fan 103 and further ensure the air supply. Efficiency, reduce air flow noise.

The value range of the angle μ formed by the lower surface of the casing 103a and the refrigerated air supply duct 141 is 120° to 135°. By limiting the casing 103a to the above arrangement, the diversion of the casing 103a to the refrigerated air supply can be reduced. The loss of air volume caused by the passage 141 also makes room for the lower right part of the freezer compartment 132.

The value range of the horizontal distance α between the front end surface of the casing 103a and the rear end surface of the evaporator 101 is 15 mm to 25 mm, so as to prevent the evaporator 101 from spreading due to the too small distance between the centrifugal fan 103 and the evaporator 101 when a large amount of frost forms. to the impeller 103b, causing the centrifugal fan 103 to frost.

4 and 5, the refrigerator 10 also includes a refrigerated air supply duct 142, the inlet 142b of the refrigerated air supply duct 142 is connected and communicated with the outlet 141d of the vertical air supply section 141, and the refrigerated air supply duct 142 also has The air supply outlet 142a communicated with the refrigerating chamber 121 is used to deliver cold airflow to the refrigerating chamber 121 to keep the refrigerating chamber 121 at a corresponding temperature.

A connecting air duct (not shown) is provided between the refrigerated air supply duct 142 and the vertical air supply section 141, and the inlet 142b of the refrigerated air supply duct 142 passes through the outlet of the connecting air duct and the vertical air supply section 141. 141d connects and communicates.

A return air duct 150 is respectively arranged on the lateral sides of the storage liner, that is, the two return air ducts 150 of the refrigerator 10 are respectively arranged on the lateral sides of the storage liner, and the two return air ducts 150 of each return air duct 150 The ends communicate with the refrigerating chamber 131 and the cooling chamber 133 respectively, so as to transport the return air flow from the refrigerating chamber 131 to the cooling chamber 133 for re-cooling. As shown in Figures 6 and 7, the cooling chamber 133 has a refrigerating return air outlet 102b communicating with the return air duct 150, and the return air of the refrigerating chamber 131 recirculates into the cooling chamber 133 through the return air duct 150 and the refrigerating return air outlet 102b .

In some embodiments, as shown in FIGS. 2 and 3 and in combination with FIGS. 4 , 6 and 7 , a cover plate 102 with an open rear is arranged inside the refrigerated inner container 130 , and the cover plate 102 is buckled on the refrigerated inner container 130 , and together with the rear wall and the bottom wall of the freezing inner container 130 define a cooling chamber 133 .

Particularly, in this embodiment, the upper front side of the cover plate 102 is formed with a return air outlet 102a, so that the return air flow of the freezing chamber 132 and the return air flow of the variable room 131 flow into the cooling chamber 133 through the return air outlet 102a and connect with the evaporator. 101 performs heat exchange again to form a cold air flow. In this embodiment, by forming the air return port 102a on the upper front side of the cover plate 102, the return air flow of the freezing chamber 132 and the return air flow of the variable chamber 131 flow into the cooling chamber 133 through the return air port 102a, eliminating the need for The return air flow of the freezing chamber 132 and the cooling chamber 131 is transported and the freezing return air duct is additionally provided, which simplifies the overall structure of the refrigerator 10 .

Referring again to FIG. 6 and FIG. 7 , the refrigerator 10 further includes a stepped windshield 139 from front to back. The windshield 139 is located below the upper surface of the cover plate 102 and is arranged on the top of the evaporator 101 . The windshield 139 includes a front panel section 139a and a rear panel section 139b connected to the rear end of the front panel section 139a. The front panel section 139a is spaced from the upper surface of the evaporator 101, so that there Part of the return air flow delivered to the cooling chamber 133 through the return air outlet 102a and the return air duct 190 enters the interval space between the front plate segment 139a and the upper surface of the evaporator 101 to exchange heat with the evaporator 101 , thereby increasing the heat exchange area between the return air flow and the evaporator 101, and when the front face of the evaporator 101 is frosted, the return air flow can enter the space between the front plate segment 139a and the upper surface of the evaporator 101 and evaporate The device 101 performs heat exchange, cools down to form a cold air flow, and ensures the continuous supply of the cold air flow.

The rear plate section 139b is closely attached to the upper surface of the evaporator 101 , so as to avoid a gap between the rear plate section 139b and the upper surface of the evaporator 101 . If the rear plate section 139b forms a gap with the upper surface of the evaporator 101, so that an airflow channel is formed between the windshield 139 and the upper surface of the evaporator 101, part of the return air flow will directly flow to the rear of the evaporator 101 through the airflow channel. Without heat exchange with the evaporator 101, that is, under the action of the centrifugal fan 103, it is transported to the storage compartment above the cooling chamber 133 by the freezing air supply duct and the refrigerating air supply duct 142, thereby affecting the storage compartment. temperature. Therefore, in this embodiment, by adhering the rear plate section 139b to the upper surface of the evaporator 101, it is avoided that a gap is formed between the rear plate section 139b and the upper surface of the evaporator 101, causing part of the return air flow to pass through the gap without contacting the evaporator. 101 heat exchange.

Moreover, the space between the windshield 139 and the upper surface of the cover plate 102 should be filled with windshield foam 139d, so that the return air flow cannot enter the space between the windshield 139 and the upper surface of the cover plate 102, thereby avoiding part of the return air flow Enter the space between the windshield 139 and the upper surface of the cover plate 102 without passing through the evaporator 101 .

As shown in Fig. 2, Fig. 6 and Fig. 10, the bottom of the box body 100 is located behind the cooling chamber 133 to define a press chamber 180, that is to say, the press chamber 180 is located on the lower side of the back of the freezer liner 130 and opposite to the cooling chamber 133 The position behind the cooling chamber 133 can be directly behind or below the cooling chamber 133 .

In traditional refrigerators, the compressor compartment is generally located at the rear of the freezer compartment at the bottom of the box. A certain storage volume of the freezer usually increases the depth of the freezer up and down, which leads to inconvenience in the following aspects. On the one hand, as mentioned above, the user needs to bend over a lot when placing items in the deep freezer, which is very inconvenient especially for the elderly; on the other hand, the user needs to put the The items are stacked in the height direction, which is inconvenient for users to find items, and the items at the bottom of the freezer are easily blocked, making it difficult for users to find and forget, resulting in deterioration and waste of items; moreover, because the freezer is shaped, it is not A rectangular space, it is inconvenient to place some large and difficult-to-divide items in the freezer.

In the refrigerator 10 of the present embodiment, the cooling chamber 133 is defined at the bottom of the freezing inner container 130, and the compressor chamber 180 is defined at the rear lower side of the freezing inner container 130 behind the cooling chamber 133. The freezing inner container 130 and the cooling chamber 133 The corresponding part provides room for the press chamber 180, so that the freezer compartment 132 above the cooling compartment 133 is a rectangular space, so that the items can be stored in a flat form from stacked storage, which is convenient for users to find items and saves users' time. time and energy; at the same time, it is also convenient to place items that are larger and difficult to divide, and solve the pain point of not being able to place larger items in the freezer 132; in addition, as mentioned above, the overall height of the freezer 132 above the cooling room 133 is raised High, which reduces the bending range of the user when using it, and is convenient for the user to operate.

In some embodiments, referring to FIG. 10 , the bottom wall of the refrigerated liner 130 includes a horizontal wall 134 and an inclined wall 135 extending obliquely from the horizontal wall 134 to the rear and upward. The horizontal wall 134 constitutes the bottom wall of the cooling chamber 133, and the inclined wall 135 constitutes the rear wall of the cooling chamber 133 , and the press chamber 180 is located at the rear lower side of the inclined wall 135 . The inclined wall 135 is designed to provide an avoidance space for the press chamber.

As shown in FIGS. 9 to 12 , the compressor 104 , cooling fan 107 and condenser 105 are sequentially arranged in the compressor chamber 180 at intervals along the transverse direction (the transverse direction as shown in FIGS. 1 , 2 and 9 ). The bottom of the box body 100 is formed with laterally spaced air inlets 110a (for example, as shown in Figure 9, the air inlet 110a is located on the left side) and an air outlet 110b (for example, as shown in Figure 9, the air outlet 110b is located on the right side) The air inlet 110a corresponds to the condenser 105 to communicate the condenser 105 with the external space, and the air outlet 110b corresponds to the compressor 104 to communicate the compressor 104 with the external space. The cooling fan 107 is configured to force external air to enter the condenser 105 through the air inlet 110a, enter the compressor 104 from the condenser 105, and then discharge to the external space through the air outlet 110b, thereby cooling the compressor 104. In the vapor compression refrigeration cycle, the surface temperature of the condenser 105 is generally lower than that of the compressor 104 , so in the above process, the outside air is used to cool the condenser 105 first and then the compressor 104 .

The refrigerator 10 of the present invention is preferentially used in built-in cabinets or other accommodation spaces, so as to save the space occupied by the refrigerator 10 . In order to improve the overall aesthetics of the refrigerator 10 and reduce the space occupied by the refrigerator 10, the reserved space between the rear wall of the refrigerator 10 and the storage space or the cabinet is small, resulting in the heat dissipation efficiency of the front-to-back airflow mode adopted in the prior art. However, if the premise is to ensure heat dissipation, the distance between the rear wall of the refrigerator 10 and the accommodation space or the cabinet must be increased, which increases the occupied space of the refrigerator 10. However, in the refrigerator 10 of this embodiment, the air inlet 110a and the air outlet 110b that are horizontally spaced are formed at the bottom of the box body 100, and the cooling air flow completes the circulation at the bottom of the refrigerator 10, making full use of the space between the refrigerator 10 and the supporting surface. Therefore, there is no need to increase the distance between the rear wall of the refrigerator 10 and the cabinet, which reduces the space occupied by the refrigerator 10 and improves the heat dissipation efficiency.

In some embodiments, the condenser 105 can be arranged obliquely. As shown in FIG. 12, the condenser 105 is arranged obliquely from bottom to top in a direction gradually away from the compressor 104, thereby increasing condensation in a compressor compartment with a limited space. The heat dissipation area of the device 105.

In some embodiments, as shown in FIGS. 9 to 12 , the box body 110 further includes a bottom plate, a supporting plate 112 , two vertically extending side plates 111 and a vertically extending back plate 116 . The bottom plate includes a bottom horizontal section 113 located on the front side of the bottom, a first inclined section 114 extending obliquely from the rear end of the bottom horizontal section 113 to the rear and upward, and a second inclined section 114 extending obliquely from the rear end of the first inclined section 114 to the rear and upward. Two inclined sections 118 and a top horizontal section 115 extending rearwardly from the rear end of the second inclined section 118 , the top horizontal section 115 constitutes the top wall of the press chamber 180 . The supporting plate 112 is located below the top horizontal section 115 and constitutes the bottom wall of the compressor chamber 180. The compressor 104, cooling fan 107 and condenser 105 are arranged at intervals on the supporting plate 112 in sequence along the horizontal direction. The supporting plate 112 and the bottom horizontal area The sections 113 are arranged at intervals, so as to form a tuyere communicating with the external space by utilizing the space between the front end of the support plate 112 and the rear end of the bottom horizontal section 113 .

Referring to FIG. 9 , the two vertically extending side plates 111 are configured as two side walls in the transverse direction of the box body to close both sides in the transverse direction of the box body. of the two side walls. The back plate 116 extends downward from the rear end of the top horizontal section 115 to the rear end of the support plate 112 to form a rear wall of the press chamber 180 .

A spacer 117 is arranged behind the middle part of the first inclined section 114, and the rear part of the spacer 117 is connected to the cooling fan 107, thereby separating the space between the supporting plate 112 and the bottom horizontal section 113 (that is, the aforementioned tuyere) as Air inlet 110a and air outlet 110b.

In a traditional refrigerator, the bottom of the box generally has a roughly flat plate-shaped load plate, and the compressor is arranged inside the load plate. The vibration generated during the operation of the compressor has a greater impact on the bottom of the box. In this embodiment, as mentioned above, the bottom of the box body 110 is constructed into a three-dimensional structure by a special structure of the bottom plate and the supporting plate 112, which provides an independent three-dimensional space for the arrangement of the compressor 104, and uses the supporting plate 112 to carry the compressor 104. Reduce the impact of compressor 104 vibration on other components at the bottom of the box. In addition, by designing the cabinet 110 as the ingenious special structure above, the structure of the bottom of the refrigerator 10 is compact and the layout is reasonable, which reduces the overall volume of the refrigerator 10 and makes full use of the space at the bottom of the refrigerator 10, ensuring that the compressor 104 And the cooling efficiency of the condenser 105.

Due to the inclined structure of the first inclined section 114, the air inlet 110a and the air outlet 110b are in an inclined state, which makes the air inlet and outlet more smooth and ensures the heat dissipation efficiency. In some embodiments, referring to FIG. 6 again, the distance between the front edge 112a of the support plate 112 and the first inclined section 114 ranges from 20 to 50 millimeters, thereby ensuring the air inlet 110a and the air outlet 110b. The size further ensures the heat dissipation efficiency of the compressor 104 and the condenser 105.

In some embodiments, as shown in FIG. 12 , and referring to FIG. 10 and FIG. 11 , the cooling fan 106 may include a partition frame 107 and an axial flow fan 106-1 located in the partition frame 107, and the upper edge of the partition frame 107 is connected to the top In the horizontal section 115, the lower end of the front edge of the partition frame 107 is located at the front side of the supporting plate 112, and abuts against the supporting plate 112, and the partition 117 abuts against the front edge of the partition frame 107, thereby realizing the separation between the partition 117 and the cooling fan. 106 to isolate the air inlet 110a from the air outlet 110b.

In some embodiments, as shown in FIG. 12, the back plate 116 may be provided with a plurality of ventilation holes 116a, and the ventilation holes 116a include a ventilation hole 116a corresponding to the condenser 105 and a ventilation hole 116a corresponding to the compressor 104, so as to facilitate Under the action of the cooling fan 106, the external air can enter the condenser 105 through the ventilation hole 116a, and then be discharged to the outside after passing through the compressor 104, increasing the amount of circulating airflow in the compressor compartment 180, and further improving the performance of the compressor. 104 and the cooling efficiency of condenser 105.

In some embodiments, as shown in FIG. 9 and FIG. 10 , and referring to FIG. 3 , the refrigerator 10 further includes a windshield strip 160 extending forward and backward. The lower surface of the section 114 extends to the lower surface of the supporting plate 112, and connects the lower end of the partition 117, so that the air inlet 110a and the air outlet 110b are completely isolated by the windshield strip 160 and the partition 117, so that the refrigerator 10 is placed on a support horizontally separate the space between the bottom of the box body 110 and the support surface, so that outside air can enter the condenser 105 through the air inlet 110a on the lateral side of the windshield strip 160 under the action of the cooling fan 106, and then be condensed 105 into the compressor 104, and finally flows out from the air outlet 110b on the other lateral side of the windshield strip 160, thereby ensuring complete isolation of the air inlet 110a and the air outlet 110b, and ensuring that the external air entering the condenser is separated from the compressor. The heat dissipation air discharged from the machine will not flow in series, which further ensures the heat dissipation efficiency.

As shown in Figure 3 and Figure 5, the four corners of the bottom of the box body 110 are provided with support rollers (not shown), the refrigerator 10 is placed on the support surface (not shown), and the windshield strip 160 extends forward and backward, laterally separating the bottom of the box body 110 and Space between the supporting surfaces, so that the airflow in the external space enters the compressor chamber through the air inlet 110a, and after exchanging heat with the condenser 105 and the compressor 104 in turn, it is discharged through the air outlet 110b.

As shown in Fig. 10 and with reference to Fig. 11, a space should be formed between the bottom plate of the casing 110 and the refrigerated liner 130, so as to facilitate filling of thermal insulation material (foaming agent) to form a foam layer to ensure the insulation of the refrigerator. In some embodiments, the first inclined section 114 is formed with an opening, and the partition 117 has a cavity 117a recessed from the opening to the rear and downward. The cavity 117a is open at a position corresponding to the opening, so that 117a accommodates the foaming agent to ensure the thickness of the foam layer and avoid condensation.

In some embodiments, referring again to FIG. 6 and FIG. 7 , and referring to FIG. 10 and FIG. 12 , the bottom wall of the cooling chamber 133 is formed with a water receiving portion 109 , and the refrigerator 10 further includes an evaporating dish 108 and a drain pipe 170 . The water receiving part 109 can be located directly below the evaporator 101 to receive the condensed water dripping from the evaporator 101. The bottom of the water receiving part 109 is formed with a drain port 130c, and the bottom wall of the refrigerated inner container 130 is formed with a drain port 130c. through holes. The evaporating dish 108 is disposed at the bottom of the condenser 105 . One end of the drain pipe 170 communicates with the through hole, and the other end communicates with the evaporating dish 108 through the partition 117 to guide the condensed water into the evaporating dish 108 .

In some embodiments, referring to FIG. 6 and FIG. 7 again, the water receiving portion 109 has a slope on the front side and a slope on the rear side, and a drainage port 130c is formed at the intersection of the front and rear slopes of the water receiving portion 109 . The included angles between the front and rear slopes of the water part 109 and the horizontal plane are greater than or equal to 5°. The inclined surface of the water receiving part 109 can make the condensed water generated by the evaporator 101 enter the water receiving part 109 and ensure that it is completely discharged. The drain pipe 170 is placed obliquely, and one end of the drain pipe 170 connected to the drain port is higher than the other end of the drain pipe 170, and the included angle between the drain pipe 170 and the horizontal plane is greater than or equal to 5°. The inclination angle of the drain pipe 170 matches the slope angle of the water receiving portion 109 so that the condensed water in the water receiving portion 109 can be discharged smoothly.

So far, those skilled in the art should appreciate that, although a number of exemplary embodiments of the present invention have been shown and described in detail herein, without departing from the spirit and scope of the present invention, the disclosed embodiments of the present invention can still be used. Many other variations or modifications consistent with the principles of the invention are directly identified or derived from the content. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. A refrigerator, comprising: A box body, the box body includes a storage liner, the storage liner includes a refrigerated liner located at the bottom, a cooling chamber is defined at the inner lower part of the refrigerated liner, and a cooling chamber is defined in the storage liner. a storage compartment above the cooling compartment; An evaporator is arranged in the cooling chamber; The centrifugal fan is located in the cooling chamber and is arranged on the rear side of the evaporator inclined backwards, so as to reduce the installation height of the centrifugal fan; the centrifugal fan is configured to promote cooling of the evaporator A cool air flow flows to the storage compartment. 2. The refrigerator according to claim 1, wherein The centrifugal fan includes a casing and an impeller disposed in the casing near the front end; The casing extends obliquely upwards from front to back, a cold air inlet is formed on its upper surface corresponding to the impeller, and a cold air outlet is formed on its rear end, and the inclination direction of the impeller is in line with that of the casing. The direction of inclination is parallel; The refrigerator also includes a refrigerated air duct extending vertically upward along the rear wall of the refrigerated liner, and the lower end of the refrigerated air duct is in contact with the rear end of the cabinet. The cold air outlet is connected and communicated to deliver the cold air after heat exchange with the evaporator. 3. The refrigerator according to claim 2, wherein The value range of the angle formed by the upper surface of the casing and the vertical surface is 55° to 70°. 4. The refrigerator according to claim 2, wherein The value range of the angle formed by the lower surface of the casing and the refrigerated air duct is 120° to 135°. 5. The refrigerator according to claim 2, wherein The range of the horizontal distance between the front end surface of the casing and the rear end surface of the evaporator is 15 mm to 25 mm. 6. The refrigerator according to claim 2, wherein The storage compartment includes a freezer compartment directly above the cooling compartment and a temperature-changing compartment directly above the freezer compartment defined by the freezer inner container; The freezing air supply duct has an air supply outlet connected to the freezing chamber and an air supply outlet connected to the variable temperature chamber. 7. The refrigerator according to claim 6, further comprising: A cover plate with an open rear, which is buckled on the bottom of the refrigerated inner container to define the cooling chamber together with the rear wall and the bottom wall of the refrigerated inner container; An air return port is formed on the upper front side of the cover plate, so that the return air flow of the freezing chamber and the temperature-changing chamber flows into the cooling chamber through the return air port for recooling. 8. The refrigerator according to claim 7, further comprising: The step-shaped windshield from front to back is located below the upper surface of the cover plate and is arranged on the upper part of the evaporator. The windshield includes: The front plate section is arranged at a distance from the upper surface of the evaporator, so that part of the return air flow enters the space between the front plate section and the upper surface of the evaporator to exchange heat with the evaporator; The rear plate section is connected to the rear end of the front plate section, and is tightly attached to the upper surface of the evaporator, so as to avoid the formation of a gap between the rear plate section and the upper surface of the evaporator, causing part of the return air flow to pass through the gap without passing through said evaporator; The space between the windshield and the upper surface of the cover plate is filled with windshield foam, so as to prevent part of the return air flow from entering the space between the windshield and the upper surface of the cover plate without passing through the Evaporator. 9. The refrigerator according to claim 2, wherein The storage liner also includes a refrigerated liner located above the freezer liner; The storage compartment also includes a refrigerating chamber defined by the refrigerating liner; The refrigerator also includes a refrigerating air supply duct, which is arranged inside the rear wall of the refrigerating liner, and its inlet is connected and communicated with the outlet of the refrigerating air supply duct, and has an air supply outlet communicating with the refrigerating chamber , to deliver cold air to the refrigerator compartment. 10. The refrigerator according to claim 9, further comprising: Two return air ducts are respectively arranged on the lateral sides of the storage liner, and the two ends of each return air duct respectively communicate with the refrigerator compartment and the cooling compartment, so that the refrigerator compartment The return air flow is sent to the cooling chamber for re-cooling.