CN114719518A

CN114719518A - Refrigerator

Info

Publication number: CN114719518A
Application number: CN202110003008.3A
Authority: CN
Inventors: 王普; 郭锦娜; 任宪伟
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2022-07-08
Anticipated expiration: 2041-01-04
Also published as: CN114719518B; WO2022142661A1

Abstract

The invention provides a refrigerator which comprises a freezing chamber with an evaporation cavity, a storage compartment positioned above the freezing chamber, and a middle partition plate for separating the freezing chamber from the storage compartment, wherein the refrigerator also comprises a return air duct communicated with the storage compartment and the evaporation cavity, and the return air duct is provided with a first air duct arranged on the middle partition plate and communicated with the storage compartment, and a second air duct extending from an outlet of the first air duct to the lower side of the evaporation cavity. The invention can effectively discharge condensation.

Description

Refrigerator with a door

Technical Field

The invention relates to a refrigerator, in particular to a refrigerator capable of effectively discharging condensation.

Background

The structure of the existing refrigerator with an up-down door is generally as follows: the below is the freezer, the top is walk-in or temperature-changing room, the return air inlet of the walk-in or temperature-changing room of top generally sets up on the lateral wall of walk-in or temperature-changing room, and set up in the position department that leans on down usually, however, on the one hand, the user can see this return air inlet when opening the door, influence pleasing to the eye, on the other hand, walk-in or temperature-changing room set up the drawer by the position department usually, for guaranteeing to return air normally, the drawer can set up the structure of stepping down so that the return air, therefore, the volume fraction of drawer has been reduced, when the condensation appears in walk-in or temperature-changing room simultaneously, also can't discharge.

In view of the above, there is a need for an improved refrigerator to solve the above problems.

Disclosure of Invention

The invention aims to provide a refrigerator capable of effectively discharging condensation.

In order to achieve the purpose, the invention provides a refrigerator which comprises a freezing chamber with an evaporation cavity, a storage compartment above the freezing chamber, and a middle partition plate for partitioning the freezing chamber and the storage compartment, wherein the refrigerator further comprises a return air duct communicated with the storage compartment and the evaporation cavity, and the return air duct is provided with a first air duct arranged on the middle partition plate and communicated with the storage compartment, and a second air duct extending from an outlet of the first air duct to the lower side of the evaporation cavity.

As a further improvement of the invention, the first air duct is provided with a first inlet communicated with the storage compartment, and the first inlet is arranged close to the rear wall of the storage compartment.

As a further improvement of the invention, the middle partition plate comprises an upper cover and a cover body which are matched with each other, and a heat insulation material positioned between the upper cover and the cover body, wherein the first air channel is formed between the upper cover and the heat insulation material.

As a further improvement of the present invention, the upper cover has a stopper formed in front of the first entrance, and the stopper is disposed obliquely upward from front to back and blocks a part of the first entrance in the up-down direction.

As a further improvement of the invention, the upper cover is provided with a bulge part which protrudes upwards from the upper surface of the upper cover and is arranged close to the left side wall, the right side wall and the rear wall of the storage compartment, and the bulge part is provided with a guide surface which extends away from the inner container.

As a further improvement of the present invention, the first air duct extends in the transverse direction and penetrates through the side wall of the cover body, and the second air duct has a second inlet communicated with the side wall and a third inlet communicated with the evaporation chamber.

As a further improvement of the present invention, the first air duct is arranged from narrow to wide from one side to the other side along the transverse direction, and the second inlet is connected to the side wall of the cover body and is arranged close to the wider side of the first air duct.

As a further improvement of the invention, the refrigerator also comprises an inner container forming a storage compartment and a freezing chamber, a shell arranged outside the inner container, and a foaming cavity between the inner container and the shell, wherein the second air duct is arranged in the foaming cavity at one side in the transverse direction, and the upper end and the lower end of the second air duct respectively penetrate through the side wall of the inner container to be communicated with the first air duct and the evaporation cavity.

As a further improvement of the present invention, the second inlet extends in the front-rear direction, the third inlet extends in the up-down direction, and the second air duct is inclined gradually backward from bottom to top.

As a further improvement of the present invention, the cover body has a first receiving cavity and a second receiving cavity for receiving the heat insulating material, the first receiving cavity is recessed downward to a greater depth than the second receiving cavity, and the heat insulating material has a protrusion protruding downward as in the first receiving cavity.

The invention has the beneficial effects that: the refrigerator comprises the return air duct communicated with the storage chamber and the evaporation cavity, and the return air duct is provided with the first air duct arranged on the middle partition plate and communicated with the storage chamber and the second air duct extending from the outlet of the first air duct to the lower side of the evaporation cavity, so that the attractiveness can be improved, and meanwhile, condensation can be effectively discharged.

Drawings

Fig. 1 is a perspective view schematically showing a refrigerator according to the present invention.

Fig. 2 is a perspective view of fig. 1.

Fig. 3 is a further exploded perspective view of the hidden liner and the hidden beam of fig. 2.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is an exploded perspective view of fig. 3 from another perspective.

Fig. 6 is an enlarged view at B in fig. 5.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The present invention is not limited to the embodiment, and structural, methodological, or functional changes made by one of ordinary skill in the art according to the embodiment are included in the scope of the present invention.

Fig. 1 to 6 show an embodiment of a refrigerator according to the present invention, the refrigerator includes a freezing chamber 1 having an evaporation chamber, a storage compartment 2 located above the freezing chamber 1, and a middle partition plate 3 separating the freezing chamber 1 and the storage compartment 2, wherein the refrigerator further includes a return air duct communicating the storage compartment 2 and the evaporation chamber, the return air duct has a first air duct 4 disposed on the middle partition plate 3 and communicating the storage compartment 2, and a second air duct 5 extending from an outlet of the first air duct 4 to a lower side of the evaporation chamber.

In this embodiment, the refrigerator is a three-door refrigerator, one side of the refrigerator in the transverse direction is a refrigerating chamber, the freezing chamber 1 is arranged below the other side of the refrigerator, the storage chamber 2 is arranged above the other side of the refrigerator, and generally, the storage chamber 2 is a temperature-changing chamber. Of course, in other embodiments, the refrigerator may also be a conventional top-bottom-opening refrigerator, that is, the lower part is the freezing chamber 1, and the upper part is the refrigerating chamber.

Specifically, as shown in fig. 1 to 3, the refrigerator includes an inner container 6 forming a storage compartment 2 and a freezing compartment 1, a housing (not shown) disposed outside the inner container 6, a foaming cavity (not shown) between the inner container 6 and the housing, and an air supply duct disposed on a rear wall of the inner container 6, wherein the air supply duct includes a first air supply duct 7 disposed in the freezing compartment 1, and a second air supply duct 8 disposed in the storage compartment 2. The first air supply duct 7 and the rear wall of the inner container 6 form the evaporation cavity.

In this embodiment, room 2 and freezer 1 are formed by same inner bag 6 between the storing to inner bag 6 self forms a room, and room 2 and freezer 1 are passed through between the storing the median septum 3 separates and forms, consequently, first air supply wind channel 7 and second air supply wind channel 8 both can be as an organic whole, also can be split type, and is preferred split type, the installation of being convenient for. Of course, in other embodiments, the storage compartment 2 and the freezing compartment 1 may also be separately formed compartments of the inner container 6, and then the first air supply duct 7 and the second air supply duct 8 are of a split structure, and the middle partition plate 3 is a foaming layer between the two compartments.

In this embodiment, the middle partition plate 3 includes an upper cover 31 and a cover 32 that are vertically matched with each other, and a heat insulating material 33 located between the upper cover 31 and the cover 32, and the first air duct 4 is formed between the upper cover 31 and the heat insulating material 33. The heat insulation material 33 is foam, the foam is of a pre-formed structure, and only the foam needs to be directly assembled into the middle partition plate 3, so that the heat insulation material is very convenient to use, and the first air duct 4 is a recessed portion recessed downwards from the upper surface of the foam. In other embodiments, the heat insulating material 33 may also be other heat insulating materials, and the first air duct 4 may also be formed by first reserving a space of the first air duct 4 in the middle partition plate 3 and then foaming and forming.

In this embodiment, the left and right sides of the inner container 6 have protruding ribs 61 protruding oppositely, the lower side of the second air supply duct 8 has a supporting portion 81 protruding forwards, the left and right sides and the rear side of the lid 32 have overlapping portions 34 protruding outwards to be disposed on the protruding ribs 61 and the supporting portion 81, and the refrigerator further includes a dummy beam 9 disposed at the front side of the middle partition plate 3, and the front side of the lid 32 also has the overlapping portions 34 protruding forwards, so that the middle partition plate 3 is very convenient to mount and has a good fixing effect.

In the present embodiment, the refrigerator further includes a drawer (not shown) disposed on the middle partition 3, a rear wall of the drawer is disposed to be gradually inclined forward from top to bottom, the first duct 4 has a first inlet 41 communicating with the storage compartment 2, the first inlet 41 is disposed near the rear wall of the storage compartment 2, and the first inlet 41 is disposed at a rear side of the rear wall of the drawer.

Therefore, first entry 41 not only can be sheltered from by the drawer, improves pleasing to the eye degree, simultaneously, need not to carry out redesign processing to current drawer, can guarantee in the storing compartment 2 normal return air and not sheltered from by the drawer. Meanwhile, the first inlet 41 is close to the rear side of the storage chamber 2, and the temperature of the second air supply duct 8 at the rear side of the storage chamber 2 is low, so that the rear wall of the storage chamber 2 is easy to condense, and the condensed water flows into the first inlet 41 in time and cannot spread to other positions when flowing down. Of course, in other embodiments, if no drawer is provided on the middle partition 3, the first inlet 41 may be provided at other positions of the upper cover 31, such as the left and right sides.

As shown in fig. 3 to 6, in detail, the upper cover 31 has a stopper 35 formed in front of the first entrance 41, and the stopper 35 is disposed upward and gradually inclined from front to back and blocks a portion of the first entrance 41 in an up-down direction. The upper cover 31 further has a plurality of reinforcing parts 36 connecting the inner wall of the first inlet 41 and the stopper 35, and thus the reinforcing parts 36 also partition the first inlet 41 into a plurality of smaller inlets. In this embodiment, the stop portion 35 is an arc surface, but in other embodiments, the stop portion 35 may also be a flat surface.

Through the arrangement of the blocking portion 35, on one hand, the first inlet 41 can be blocked by the blocking portion 35, so that the user can not easily see the first inlet, the attractiveness is improved, meanwhile, the drawer on the front side can be blocked to continuously move backwards, the first inlet 41 is prevented from being blocked, and normal return air is ensured. On the other hand, the stopper 35 blocks part of the first inlet 41 in the vertical direction, so that the risk of the smaller articles on the upper side of the first inlet 41 falling into the first air duct 4 can be reduced, and the risk of the articles falling into the first air duct 4 can be further reduced by the plurality of smaller inlets partitioned by the reinforcement 36.

The upper cover 31 further has a protrusion 37 protruding upward from the upper surface thereof, the protrusion 37 has a guide surface 371 extending in a direction away from the inner container 6, and the protrusion 37 is disposed near the left and right side walls and the rear wall of the storage compartment 2. In this embodiment, the protruding portions 37 are disposed at the left and right ends and the rear end of the upper cover 31, that is, the protruding portions 37 are attached to the left and right side walls and the rear air supply duct of the inner container 6. Therefore, not only the gap between the upper cover 31 and the inner container 6 can be blocked and the appearance is more beautiful, but also when the surface of the upper cover 31 has condensation, the protruding part 37 can block the condensation from flowing into the gap between the upper cover 31 and the inner container 6, thereby avoiding the freezing caused by the low temperature of the freezing chamber 1. Meanwhile, when condensation appears on the wall surface of the inner container 6, the condensation can flow into the first inlet 41 from the guide surface 371 of the bulge 37 and then flow into the water receiving tray on the lower side of the evaporation cavity through the first air duct 4 and the second air duct 5.

In the present embodiment, the first air duct 4 extends in the transverse direction and penetrates through the side wall of the cover 32, and the second air duct 5 has a second inlet 51 communicating with the side wall and a third inlet 52 communicating with the evaporation chamber. And the second air duct 5 is arranged in the foaming cavity on one side in the transverse direction, and the upper end and the lower end of the second air duct 5 respectively penetrate through the side wall of the inner container 6 to be communicated with the first air duct 4 and the evaporation cavity. Set up second wind channel 5 in horizontal direction one side, can reduce the thickness between 6 rear sides of inner bag and the shell, can also avoid air supply wind channel and return air wind channel to intersect simultaneously, disturb normal cooling and return air.

In this embodiment, the second inlet 51 extends in the front-back direction, that is, the length of the second inlet 51 in the front-back direction is long, and the width in the up-down direction is small, the third inlet 52 extends in the up-down direction, that is, the width of the third inlet 52 in the up-down direction is long, and the width in the front-back direction is small, and the second air duct 5 is inclined from bottom to top in a gradually backward direction.

Therefore, the second inlet 51 can ensure that the return air inlet is enlarged as much as possible within the limited thickness range of the middle partition plate 3, so that the return air process is smoother, the width of the third inlet 52 in the front-back direction is smaller, the thickness of the first air supply duct 7 in the front-back direction can be reduced, and the third inlet 52 is prevented from extending forwards into the freezing chamber 1.

In this embodiment, the first air duct 4 is disposed from narrow to wide from one side to the other side along the transverse direction, and the second inlet 51 is disposed on the side wall of the cover 32 and close to the wider side of the first air duct 4, so that the narrow to wide is also favorable for guiding air, so that the wet air smoothly enters the second air duct 5. Meanwhile, the lower surface of the first air duct 4 is gradually inclined downward and extended along the transverse direction, that is, the bottom wall of the foam recess is gradually inclined downward and extended. Therefore, the structure is also beneficial to wind guiding, and when the condensation enters the first air duct 4 from the first inlet 41, the condensation can flow into the second air duct 5 along the structure and finally flow into a water receiving tray (not shown) in the evaporation cavity.

In this embodiment, the cover 32 further has a first receiving cavity 38 and a second receiving cavity 39 for receiving the heat insulating material 33, the first receiving cavity 38 is recessed downward to a greater depth than the second receiving cavity 39, and the heat insulating material 33 has a protrusion 30 protruding downward into the first receiving cavity 38. And the upper part of the convex part 30 corresponds to the concave part, so that the thickness of the heat insulation material 33 between the freezing chamber 1 and the storage compartment 2 is ensured, and the influence of the low temperature of the freezing chamber 1 on the storage compartment 2 is reduced.

In summary, the refrigerator of the present invention includes a return air duct communicating the storage compartment 2 and the evaporation chamber, and the return air duct has a first air duct 4 disposed on the middle partition plate 3 and communicating the storage compartment 2, and a second air duct 5 extending from an outlet of the first air duct 4 to a lower side of the evaporation chamber, so that not only the aesthetic degree can be improved, but also the volume ratio of the drawer can be improved.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a refrigerator, includes the freezer that has the evaporation chamber, is located the storing room of freezer top, separates the median septum of room between freezer and storing, its characterized in that: the refrigerator also comprises a return air duct communicated with the storage chamber and the evaporation cavity, wherein the return air duct is provided with a first air duct arranged on the middle partition plate and communicated with the storage chamber and a second air duct extending from an outlet of the first air duct to the lower side of the evaporation cavity.

2. The refrigerator of claim 1, wherein: the first air duct is provided with a first inlet communicated with the storage chamber, and the first inlet is close to the rear wall of the storage chamber.

3. The refrigerator of claim 2, wherein: the middle partition plate comprises an upper cover and a cover body which are matched with each other and a heat insulation material positioned between the upper cover and the cover body, and the first air channel is formed between the upper cover and the heat insulation material.

4. The refrigerator of claim 3, wherein: the upper cover is provided with a blocking part formed on the front side of the first inlet, the blocking part is gradually and obliquely arranged upwards from front to back, and the blocking part blocks part of the first inlet along the up-down direction.

5. The refrigerator of claim 3, wherein: the upper cover is provided with a protruding part which protrudes upwards from the upper surface of the upper cover and is arranged close to the left side wall, the right side wall and the rear wall of the storage compartment, and the protruding part is provided with a guide surface which extends towards the position far away from the inner container.

6. The refrigerator of claim 3, wherein: the first air duct extends along the transverse direction and penetrates through the side wall of the cover body, and the second air duct is provided with a second inlet communicated with the side wall and a third inlet communicated with the evaporation chamber.

7. The refrigerator of claim 6, wherein: the first air duct is arranged from narrow to wide from one side to the other side in the transverse direction, and the second inlet is connected with the side wall of the cover body and is arranged close to the wider side of the first air duct.

8. The refrigerator of claim 6, wherein: the refrigerator also comprises an inner container forming a storage chamber and a freezing chamber, and a foaming cavity arranged between the outer shell of the inner container, the inner container and the outer shell, wherein the second air channel is arranged in the foaming cavity at one side of the transverse direction, and the upper end and the lower end of the second air channel respectively penetrate through the side wall of the inner container to be communicated with the first air channel and the evaporation cavity.

9. The refrigerator of claim 8, wherein: the second inlet extends along the front-back direction, the third inlet extends along the up-down direction, and the second air duct is inclined gradually backward from bottom to top and extends.

10. The refrigerator of claim 3, wherein: the cover body is provided with a first accommodating cavity and a second accommodating cavity for accommodating the heat-insulating material, the downward sunken depth of the first accommodating cavity is larger than that of the second accommodating cavity, and the heat-insulating material is provided with a convex part which protrudes downwards to form a shape like that of the first accommodating cavity.