CN111609642A

CN111609642A - Refrigerator beneficial to water evaporation

Info

Publication number: CN111609642A
Application number: CN201910142782.5A
Authority: CN
Inventors: 王晶; 朱小兵; 刘建如; 曹东强
Original assignee: Qingdao Haier Co Ltd; Qingdao Haier Refrigerator Co Ltd
Current assignee: Qingdao Haier Co Ltd; Qingdao Haier Refrigerator Co Ltd
Priority date: 2019-02-26
Filing date: 2019-02-26
Publication date: 2020-09-01

Abstract

The present invention provides a refrigerator facilitating water evaporation, comprising: at least one inner container, which comprises a first inner container at the lowest part; the water discharge pipe extends downwards from the bottom of the first inner container and is used for leading out liquid water in the first inner container; the bottom bin is positioned below the first inner container, the bottom wall of the bottom bin comprises a front bottom plate and a rear bottom plate which are arranged at intervals in the front-rear direction, the interval between the front bottom plate and the rear bottom plate is used for communicating the inner space of the bottom bin with the space below the bottom bin, the rear part of the top wall of the bottom bin is higher than the front part of the top wall of the bottom bin so as to accommodate a compressor in the rear space in the bottom bin, and two transverse side walls of the bottom bin are respectively provided with ventilation openings communicated with; and the water pan is arranged on the upper surface of the front bottom plate, so that air flows into the bottom bin from the two air vents to cool the compressor and then flows to the water pan to promote the evaporation of liquid water. The refrigerator provided by the invention can evaporate the liquid water in the water pan more quickly.

Description

Refrigerator beneficial to water evaporation

Technical Field

The invention relates to the technical field of household appliances, in particular to a refrigerator beneficial to water evaporation.

Background

In the existing refrigerator, a compressor is generally arranged in a press cabin which is positioned at the rear side of the bottom of the refrigerator, and an evaporating dish is arranged in the press cabin. A water discharge pipe extends out of the center of the bottom of the freezing inner container and extends into an evaporation dish in the press bin so as to guide liquid water in the freezing inner container into the evaporation dish, and the evaporation dish absorbs heat emitted by the compressor to complete evaporation.

However, since the pressing machine compartment is disposed at the rear side of the bottom of the refrigerator, away from the bottom center of the freezing inner container, the drain pipe needs to be extended obliquely, which makes the drain pipe long. Moreover, the extending direction is inclined, so that if foreign matters exist in the inner part, the foreign matters are difficult to be smoothly removed, and the blockage is caused.

In addition, in the existing refrigerator, even if the heat emitted by the compressor is absorbed, the water in the evaporating dish still can not be evaporated for a long time, and the water possibly overflows to influence the normal work of other parts of the refrigerator and can also generate peculiar smell.

Disclosure of Invention

In view of the above, it is an object of the present invention to provide a refrigerator that overcomes or at least partially solves the above problems and facilitates water evaporation so as to enable liquid water of a water tray to evaporate more quickly in time.

A further object of the invention is to avoid clogging of the drain.

The invention further aims to increase the height above the ground of the storage space at the bottom of the refrigerator and reduce the operation of bending down to take and place articles by a user.

In particular, the present invention provides a refrigerator facilitating water evaporation, comprising:

at least one inner container, which comprises a first inner container at the lowest part;

the water discharge pipe extends downwards from the bottom of the first inner container and is used for leading out liquid water in the first inner container;

the bottom bin is positioned below the first inner container, the bottom wall of the bottom bin comprises a front bottom plate and a rear bottom plate which are arranged at intervals in the front-rear direction, the interval between the front bottom plate and the rear bottom plate is used for communicating the inner space of the bottom bin with the space below the bottom bin, the rear part of the top wall of the bottom bin is higher than the front part of the top wall of the bottom bin so as to accommodate a compressor in the rear space in the bottom bin, and two transverse side walls of the bottom bin are respectively provided with ventilation openings communicated with; and the water pan is arranged on the upper surface of the front bottom plate, so that air flows into the bottom bin from the two air vents to cool the compressor and then flows to the water pan to promote the evaporation of liquid water.

Optionally, the rear portion of the bottom wall of the water pan is inclined upwardly from front to rear to form a ramp for directing airflow from the compressor to the bottom of the water pan to heat the bottom of the water pan.

Optionally, the refrigerator further comprises: the condenser is horizontally arranged below the front bottom plate; and the air flow entering the bottom bin from the vent hole flows to the condenser through the interval between the front bottom plate and the rear bottom plate so as to cool the condenser.

Optionally, the refrigerator further comprises: the barrier strips extending forwards and backwards are attached to the lower sides of the front bottom plate and the rear bottom plate so as to transversely separate the space between the bottom wall of the bottom bin and the supporting surface of the refrigerator; and the compressor is positioned at one transverse side of the barrier strip; the condenser is divided into two parts by the barrier strip, and the total heat exchange capacity of the part of the condenser on the same side with the compressor is smaller than that of the other part.

Optionally, the drain pipe extends downward from the bottom of the first inner container in a vertical direction.

Optionally, an overflow pipe is arranged on the water pan, the bottom end of the overflow pipe is connected to the surface of the water pan, and the upper end of the overflow pipe is open; the lower end of the drain pipe is inserted into the overflow pipe so as to overflow from the top end of the overflow pipe after the overflow pipe is filled with liquid water, so that the bottom end of the drain pipe is sealed by the liquid water.

Optionally, the bottom wall of the first inner container is funnel-shaped and gradually extends downwards from the periphery to a central water collecting point, the central water collecting point is located in the front half area of the bottom of the first inner container, and the drain pipe is connected to the central water collecting point.

Optionally, a top cover is arranged in the first inner container, and the top cover is used for dividing the inner space of the first inner container into an upper storage space and a lower cooling space; and an evaporator of the refrigerator is horizontally disposed in the cooling space and configured to cool the airflow entering the cooling space to form a cooled airflow.

Optionally, the refrigerator further comprises: the air supply duct is arranged on the inner side of the rear wall of the first inner container, is communicated with the cooling space and is configured to convey at least part of cooling air flow into the storage space; the top cap includes the top cap body and by the bellied support portion that makes progress of the rear end of top cap body, and the antetheca face in air supply wind channel is formed with convex support portion forward, and top cap and air supply wind channel set up to make support portion top support portion to prevent that the air supply wind channel from tenesmus.

Optionally, the first inner container is a freezing inner container, and the storage space is a freezing space; and the refrigerator further includes: the temperature-changing liner is positioned right above the storage liner, and a temperature-changing space is defined in the temperature-changing liner; the refrigerating inner container is positioned right above the temperature changing inner container, and a refrigerating space is limited in the refrigerating inner container.

In the refrigerator, hot air flowing through the compressor is blown to the water receiving tray, so that evaporation of liquid water can be promoted, and excessive overflow or peculiar smell can be avoided.

Furthermore, in the refrigerator, the condenser is exposed at the lowest end of the refrigerator, so that the heat dissipation is facilitated, and the condenser is positioned right below the water pan to facilitate the heat absorption and evaporation of water in the water pan.

Furthermore, in the refrigerator, the water receiving tray is arranged below the first inner container, and the drain pipe is vertically arranged, so that water in the first inner container can be smoothly discharged, and impurities such as screws and ice blocks possibly contained in the water receiving tray can flow downwards. Meanwhile, the drain pipe is vertically arranged, so that the length of the drain pipe is shortest, and water and impurities can be discharged conveniently.

Further, in the refrigerator of the present invention, the drain pipe is inserted into the overflow pipe, and after the overflow pipe is filled with liquid water, the liquid water overflows from the top end of the overflow pipe to seal the bottom end of the drain pipe with the liquid water, thereby forming a water seal. The cold quantity generated at the bottom end of the water drainage pipe is prevented from being leaked when the water drainage pipe does not drain water.

Furthermore, in the refrigerator, the lowest space is a cooling space, so that the height of the storage space above the cooling space is raised, the bending degree of a user in the operation of taking and placing articles in the storage space is reduced, and the use experience of the user is improved. In addition, the top cover and the air supply duct have special design structures, so that the air supply duct is prevented from falling down when being subjected to external force, the air supply duct is more stably installed, and the refrigeration effect in the operation process of the refrigerator can be ensured.

Furthermore, in the refrigerator, the specially designed structures of the supporting part and the specially designed structure of the top cover body have the functions of diversion and drainage, so that liquid water can be conveniently collected on the top cover, and a user can clean the top cover in time.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic structural view of a refrigerator according to one embodiment of the present invention;

FIG. 2 is a schematic view of the combination of the first liner, the bottom bin and the water pan according to one embodiment of the invention;

FIG. 3 is an exploded schematic view of the structure shown in FIG. 2;

FIG. 4 is a schematic view of the water tray of FIG. 2 after being drawn out;

FIG. 5 is a schematic cross-sectional view of the structure shown in FIG. 2 taken along a vertical plane extending fore and aft with the first bladder omitted;

FIG. 6 is a schematic exploded view of the drip pan and drain;

FIG. 7 is a schematic bottom structure view of the refrigerator shown in FIG. 1;

fig. 8 is a front view of the refrigerator according to an embodiment of the present invention after the first inner container, the air supply duct, the return hood, the top cover, and the like are combined;

FIG. 9 is an enlarged view of area A of FIG. 8;

FIG. 10 is a first partially exploded schematic view of a refrigerator according to one embodiment of the present invention;

fig. 11 is a perspective view of the refrigerator according to an embodiment of the present invention, after the first inner container, the air supply duct, the air return cover, and the top cover are combined together;

fig. 12 is a side view of the refrigerator according to an embodiment of the present invention after the first inner container, the air supply duct, the air return cover, and the top cover are combined;

FIG. 13 is a second partially exploded schematic view of a refrigerator according to one embodiment of the present invention;

fig. 14 is an exploded view of the return air frame and return air rear cover of the refrigerator in accordance with one embodiment of the present invention;

fig. 15 is a partial sectional view of a refrigerator according to one embodiment of the present invention; and

fig. 16 is an enlarged view of region B in fig. 15.

Detailed Description

The present embodiment provides a refrigerator facilitating water evaporation, and the refrigerator according to the embodiment of the present invention will be described below with reference to fig. 1 to 16. In the following description, the orientation or positional relationship indicated by "front", "rear", "upper", "lower", "lateral", etc. is an orientation based on the refrigerator itself as a reference, and "front", "rear" is a direction indicated in fig. 1, as shown in fig. 8, and "lateral" refers to a direction parallel to the width direction of the refrigerator.

As shown in fig. 1 and 2, the refrigerator 100 may generally include a cabinet including an outer case and at least one inner container disposed inside the outer case, wherein a space between the outer case and the inner container is filled with a thermal insulation material (forming a foaming layer), the inner container defines a storage space therein, and a corresponding door is further disposed at a front side of each inner container to open and close the corresponding storage space.

In some embodiments, the number of the at least one inner container is plural, and the lowermost inner container is the first inner container 130. The first inner container 130 may be configured as a freezing inner container, and accordingly, the storage space 132 is a freezing space. As shown in fig. 1, two temperature-changing liners 131 distributed transversely are provided right above the first liner 130, and the refrigerating liner 120 is provided right above the two temperature-changing liners 131. A temperature-changing space is defined in each temperature-changing liner 131, and a refrigerating space 121 is defined in the refrigerating liner 120.

As is well known to those skilled in the art, the temperature in the refrigerated space 121 is generally between 2 ℃ and 10 ℃, preferably between 4 ℃ and 7 ℃. The temperature in the refrigerated space is typically in the range of-22 ℃ to-14 ℃. The temperature-changing space can be adjusted to-18 ℃ to 8 ℃ at will. The optimum storage temperatures for different types of items are different and the locations suitable for storage are different, for example, fruit and vegetable food is suitable for storage in the refrigerated space 121 and meat food is suitable for storage in the refrigerated space.

Those skilled in the art will recognize that the refrigerator 100 of the present embodiment may further include an evaporator 101, a blower fan 104, a compressor (not shown), a condenser 500, a throttling element (not shown), and the like. The evaporator 101 is connected to the compressor, the condenser 500, and the throttle element via refrigerant lines, and constitutes a refrigeration cycle.

Particularly, the refrigerator according to the embodiment of the present invention may further include a drain pipe 400 and a drip tray 300. Wherein, the drain pipe 400 extends vertically downwards from the bottom of the first inner container for leading out the liquid water in the first inner container. The drip pan 300 is located below the first inner container and is used for receiving liquid water flowing out from the bottom of the drainage pipe 400. As shown in fig. 6, an engagement tray 401 at the upper portion of the drain pipe 400 is used to engage with the first inner container 130.

According to the invention, the drain pipe 400 is vertically arranged, so that water in the first inner container 130 can be smoothly discharged, and impurities such as screws and ice blocks which may be contained in the first inner container can flow downwards. Meanwhile, the drain pipe 400 is vertically arranged to minimize the length thereof, which is also beneficial to the drainage of water and impurities.

The condenser 500 of the refrigerator is horizontally arranged below the first inner container 130, and the water receiving tray 300 is positioned right above the condenser 500, so that the water receiving tray 300 absorbs heat emitted by the condenser 500 to facilitate evaporation of liquid water therein.

As shown in fig. 2 and 3, the refrigerator 100 further includes a bottom compartment 200. The bottom bin 200 is located below the first inner container 130. The rear portion of the top wall of the bottom compartment 200 is higher than the front portion so that the rear space thereof is higher and the front space thereof is lower. The compressor of the refrigerator 100 is disposed in the rear space of the bottom compartment 200. The drip pan 300 is located in the front space of the bottom bin 200, and the drain pipe 400 extends into the bottom bin 200 through the opening of the top wall of the bottom bin 200.

More specifically, the bottom wall of the bottom bin 200 comprises a front bottom plate 204 and a rear bottom plate 202 which are arranged at intervals in front and back, and the interval between the two is used for communicating the internal space of the bottom bin 200 with the space below the bottom bin 200. The drip pan 300 is mounted on the upper surface of the front base plate 204, and the compressor is mounted on the upper surface of the rear base plate 202. The condenser 500 is disposed against the lower surface of the front base plate 204.

As shown in fig. 3, a plurality of ventilation holes 204a are formed in the front bottom plate 204 to communicate the space inside and outside the bottom bin 200, so as to facilitate heat absorption of the water collector 300 and heat dissipation of the condenser 500. The two lateral side walls 203 of the bottom bin 200 are respectively provided with a vent 206 for communicating the inner space and the outer space of the bottom bin 200.

As shown in fig. 5, since the drip tray 300 is mounted on the upper surface of the front bottom plate 204, air flows into the bottom bin 200 from the two ventilation openings 206 to cool the compressor, and then flows toward the drip tray 300 to promote evaporation of liquid water. The rear part of the bottom wall of the water receiving tray 300 is gradually inclined upwards from front to back to form a slope surface 301, so that the airflow coming from the compressor is guided to flow to the bottom of the water receiving tray 300 to heat the bottom of the water receiving tray 300, and the water in the water receiving tray 300 is favorably evaporated by absorbing heat.

As shown in fig. 7, since the condenser 500 is located below the front floor 204, the air flow entering the bottom compartment 200 from the ventilation opening 206 flows to the condenser 500 through the space (the area marked with the width a in fig. 7) between the front floor 204 and the rear floor 202, so as to cool the condenser 500. Fig. 5 and 7 show the air flow direction by arrows. A fan may be provided in the bottom compartment 200 to facilitate the air flow process described above.

As shown in fig. 7, the refrigerator 100 further includes a barrier 600 extending forward and backward. The bars 600 abut against the lower sides of the front and

rear bottom plates

204 and 202 to laterally partition the space between the bottom wall of the bottom compartment 200 and the supporting surface (e.g., the floor) of the refrigerator 100. The compressor is located at one lateral side of the barrier strip 600. Front floor 204 is divided into two

halves

202a, 202b by a bar 600. The condenser 500 is divided into two

halves

500a, 500b by a barrier strip 600. A compressor is mounted on half 202a of front base plate 204. Because the temperature of the air flow (left side in the figure) after passing through the compressor is relatively high, the temperature of the air flow (left side in the figure) which does not pass through the compressor is relatively low. Thus, half 500a of condenser 500 on the same side as the compressor is made to have less total heat exchange capacity than half 500 b. This enables more uniform heat dissipation to be achieved for both halves of the condenser 500.

As shown in fig. 2, the bottom wall of the first inner container 130 is formed in a funnel shape extending gradually downward from the periphery toward a central water collecting point 130p, and a drain pipe 400 is connected to the central water collecting point 130 p. The central water collecting point 130p is located in the front half region of the bottom of the first inner container 130 such that the rear portion thereof is positioned higher, facilitating the accommodation of the rear portion of the bottom bin 200.

As shown in fig. 4, in some embodiments, the front wall of the bottom bin 200 may be provided with a front opening 200 a. So that the drip pan 300 extends into the front space in the bottom bin 200 through the front opening. A handle 310 is provided at the front of the drip tray 300 so that a person pushes and pulls the drip tray 300 by hand.

According to the invention, the water pan 300 is inserted into the bottom bin 200 from the front opening 200a of the bottom bin 200, and after the refrigerator is started for a long time, a user can pull the water pan 300 forwards to pour out water in the water pan, so that excessive overflow or peculiar smell is avoided.

As shown in fig. 5 and 6, the drip tray 300 is provided with an overflow pipe 320, the bottom end of the overflow pipe 320 is connected to the surface of the drip tray 300, and the upper end is open. The lower end of the drainage pipe 400 is inserted into the overflow pipe 320 so as to overflow from the top end of the overflow pipe 320 after the liquid water fills the overflow pipe 320, so as to seal the lower end of the drainage pipe 400 with the liquid water, i.e., to form a water seal. The leakage of the cooling energy generated at the bottom end of the drain pipe 400 when the drain pipe does not drain water is prevented.

The overflow pipe 320 has a notch 321 at the rear of the upper edge thereof so that the drain pipe 400 is separated from the overflow pipe 320 through the notch 321 when the drip tray 300 is moved forward. Further, both lateral sides of the bottom end periphery of the drain pipe 400 are respectively provided with arc-shaped flanges 410 protruding downward to facilitate the detachment of the drain pipe 400 from the overflow pipe 320.

In some embodiments, the refrigerator 100 further includes a top cover 103 configured to partition the first inner container 130 located at the lowermost portion into a storage space 132 located at an upper portion and a cooling space located at a lower portion, in which the evaporator 101 is horizontally disposed.

In a traditional refrigerator, the lowest space of the refrigerator is generally a storage space, the storage space is lower, a user can take and place articles in the lowest storage space only by bending down or squatting down greatly, and the refrigerator is inconvenient for the user to use and especially for the old; and, because the evaporimeter has taken up the rear region of below storing space for the depth of below storing space reduces, moreover, because the press storehouse is located the rear portion of below storing space generally, below storing space inevitably will give way for the press storehouse, leads to below storing space dysmorphism, is not convenient for the deposit of the great and difficult segmentation article of volume.

In the refrigerator 100 of the embodiment, the lowermost space of the refrigerator 100 is a cooling space, the height of the storage space 132 above the cooling space is raised, the stooping degree of the user when the user puts articles into and out of the storage space 132 is reduced, and the use experience of the user is improved.

The evaporator 101 cools the airflow entering the cooling space to form a cooling airflow, at least a portion of the cooling airflow is delivered into the storage space 132 through the air supply duct 141, the air supply duct 141 may be disposed inside the rear wall of the first inner container 130 and is communicated with the cooling space, as shown in fig. 1, the air supply duct 141 is formed with a plurality of air supply outlets 141a communicated with the storage space 132.

The refrigerator 100 further includes a temperature-varying air duct (not shown) for delivering a cooling air flow to the temperature-varying space, and the temperature-varying air duct and the air supply duct 141 can be controllably communicated through a temperature-varying damper (not shown) to guide a portion of the cooling air flow in the air supply duct 141 into the temperature-varying air duct.

The refrigerator 100 may further include a refrigerating air duct (not shown) for supplying a cooling air flow to the refrigerating space, and the refrigerating air duct may be controllably communicated with the air supply duct 141 through a refrigerating damper to introduce a portion of the cooling air flow of the air supply duct 141 into the refrigerating air duct. In some alternative embodiments, another evaporator may be disposed in the refrigerating inner container 120 to cool the refrigerating space 121 by air cooling or direct cooling, so as to form the refrigerator 100 of the dual refrigerating system, and prevent odor tainting between the storage space 132 and the refrigerating space 121.

Further specifically, as shown in fig. 10 in combination with fig. 9, the top cover 103 includes a top cover body 103a and a support portion 103b protruding upward from a rear end of the top cover body 103a, a front wall surface of the air supply duct 141 is formed with a support portion 141b protruding forward, and the top cover 103 and the air supply duct 141 are assembled such that the support portion 103b supports the support portion 141b to prevent the air supply duct 141 from falling down due to collision of the refrigerator 100 during transportation.

The top end of the air supply duct 141 generally passes through the top wall of the first inner container 130 to communicate with an air duct for supplying air to other storage spaces (for example, a variable temperature air duct (not shown) for supplying air to a variable temperature space above the lowermost first inner container 130). Specifically, as shown in fig. 11 and 13, a first top opening 141g is formed at the top end of the air supply duct 141, and second top openings 130d corresponding to the first top openings 141g in a one-to-one manner are formed on the top wall of the first inner container 130, so that the first top openings 141g are communicated with the air inlet of the temperature-variable chamber duct through the second top openings 130 d.

A damper may be disposed at the first top opening 141g of the air supply duct 141 to control opening and closing of the first top opening 141 g. As shown in fig. 1, there are two temperature-changing liners 131, and correspondingly, there are two temperature-changing chamber air ducts, and there are two first top openings 141g and two second top openings 130 d.

Refrigerator 100 is in the handling, inevitably can receive the collision, easily lead to air supply duct 141 to descend, in case air supply duct 141 descends, the gap can appear between the second top opening that the first top opening on air supply duct 141's top and the roof of first inner bag 130 correspond promptly, refrigerator 100 operation in-process, can the wind that gets mixed between the storing space 132 of alternating temperature space and below, influence the temperature in storing space 132 and alternating temperature space, and easily lead to near frosting in air supply duct 141's top, influence the transport of cooling air current, reduce the refrigeration effect.

In this embodiment, by specially designing the top cover 103 and the air supply duct 141, the air supply duct 141 can be prevented from falling when being acted by an external force, so that the air supply duct 141 is more stably installed, and the refrigeration effect of the refrigerator 100 in the operation process can be ensured.

As shown in fig. 12 and fig. 1, the air supply duct 141 includes a duct front cover 1411 and a duct rear cover 1412 located behind the duct front cover 1411, and accordingly, the duct front cover 1411 forms a front wall of the air supply duct 141, that is, the duct front cover 1411 is formed with the aforementioned support 141 b; duct front cover 1411 and duct rear cover 1412 define channels that communicate with the cooling space.

Duct front cover 1411 and duct rear cover 1412 are fixed by screws (not shown) passing through the center of air supply duct 141, and as shown in fig. 1, screw passing holes 141c are formed at substantially the center of duct front cover 1411. As shown in fig. 13, duct rear cover plate 1412 is formed with screw post 141d at a substantially central position thereof, and duct front cover plate 1411 and duct rear cover plate 1412 are fitted and locked with screw post 141d by a screw passing through screw passing hole 141c, thereby assembling duct front cover plate 1411 and duct rear cover plate 1412 together. The special design structure for preventing the air supply duct 141 from dropping avoids the problem that the duct front cover 1411 moves downwards when the screws are loosened.

More particularly, the supporting portion 141b extends downward from rear to front, the upper end surface of the supporting portion 103b includes a first inclined section 103b1 extending downward from rear to front, and the liquid water can flow along the inclined surface of the supporting portion 141b and the inclined surface of the first inclined section 103b1 to the top cover body 103a downward from front.

The front end surface of the holder 103b may include a vertically extending vertical section 103b2, the vertical section 103b2 is connected to the first inclined section 103b1 through a first transition curve, and the vertical section 103b2 guides liquid water sliding down the first inclined section 103b1 onto the cap body 103 a.

The upper surface of the cap body 103a may include a second inclined section 103a1 extending obliquely from rear to front downward, the second inclined section 103a1 being joined to the vertical section 103b2 by a second transition curve to further channel the liquid water.

The upper surface of the cap body 103a may further include a horizontal section 103a2 extending forward from the front end of the second inclined section 103a1, and the horizontal section 103a2 is formed with at least one water collection groove 103a3 to collect liquid water flowing down from the second inclined section 103a1, thereby facilitating concentrated cleaning of the liquid water by a user. Thereby realizing the diversion and drainage functions by using the special structure of the top cover 103.

In some embodiments, as shown in fig. 12, the blower 104 is located behind the evaporator 101, and the air outlet end thereof is connected to the air inlet end of the air supply duct 141, and configured to promote the cooling air flow into the air supply duct 141 to accelerate the air flow circulation and increase the cooling speed.

The blower 104 may be a centrifugal fan, an axial flow fan or a cross flow fan, as shown in fig. 12, in this embodiment, the blower 104 is a centrifugal fan, the blower 104 is arranged to be inclined upward from front to back, and the blower 104 is detachably connected to the air duct 141. When the refrigerator 100 is assembled, the air duct rear cover plate 1412 is firstly assembled with the blower 104, the air duct front cover plate 1411 is then assembled with the blower 104, then the top cover 103 is mounted on the first liner 130, and the positions of the air duct rear cover plate 1412, the air duct front cover plate 1411 and the top cover 103 are satisfied such that the supporting portion 103b of the top cover 103 supports the supporting portion of the air duct front cover plate 1411.

As shown in fig. 10 and 12, a positioning protrusion 103c protruding backward is formed at the rear end of the top cover 103, and positioning grooves (not shown) corresponding to and fitting with the positioning protrusions 103c are formed on the rear wall of the first inner container 130, and the number of the positioning protrusions 103c may be two, and the two positioning protrusions 103c are respectively adjacent to both lateral sides of the rear end of the top cover 103 and are located below the supporting portion 103 b. Thereby assembling the top cover 103 to the first inner container 130.

As shown in fig. 1 to 10, the refrigerator 100 further includes at least one air return cover 102 disposed at a front end of the top cover 103, and defining the cooling space together with the top cover 103 and a bottom wall of the first inner container 130.

Each of the return air covers 102 includes a return air frame 1021 and a return air rear cover 1022 located on the front side, the front wall of the return air frame 1021 is formed with a first opening 102c, the rear end of the return air rear cover is open, the return air rear cover 1022 is inserted into the return air frame 1021 from the open rear end of the return air frame 1021, and is configured to divide the first opening 102c into a first front return air inlet 102b located above and a second front return air inlet 102a located below, so that return air in the storage space 132 flows back into the cooling space through the first front return air inlet 102b and the second front return air inlet 102a, and is cooled by the evaporator 101, thereby forming an air flow circulation between the storage space 132 and the cooling space.

In this embodiment, two air return inlets (a first front air return inlet 102b and a second front air return inlet 102a) are formed at the front side of the air return cover 102 and are distributed up and down, so that the visual appearance is attractive, and fingers or foreign matters of children can be effectively prevented from entering a cooling space; moreover, the two air return areas distributed up and down can enable the air return to flow through the evaporator 101 more uniformly after entering the cooling space, so that the problem that the front end face of the evaporator 101 is easy to frost can be avoided to a certain extent, the heat exchange efficiency can be improved, the defrosting period can be prolonged, and the energy conservation and the high efficiency are realized.

As shown in fig. 8 and 11, there are two return air covers 102, the two return air covers 102 are distributed at intervals in the transverse direction, a vertical beam 150 is disposed between the two return air covers 102, and the vertical beam 150 vertically extends upward to the top wall of the first liner 130 to divide the front side of the first liner 130 into two areas distributed in the transverse direction.

The front side of the first inner container 130 may be provided with two door bodies (not shown) that are split to open and close two regions partitioned by the vertical beam 150, respectively.

More particularly, as shown in fig. 14 to 16, the return air frame 1021 includes a first flow guiding inclined section 1021a extending from the upper end of the front wall surface of the return air frame 1021 to the upper rear, and a second flow guiding inclined section 1021c extending from the front wall of the return air frame 1021 to the lower rear; the air return rear cover 1022 includes a third inclined flow guide section 1022a extending from rear to front downward, a fourth inclined flow guide section 1022b extending from the lower end of the third inclined flow guide section 1022a to front downward, a fifth inclined flow guide section 1022c extending from the front end of the fourth inclined flow guide section 1022b to rear downward, and a sixth inclined flow guide section 1022d extending from the lower end of the fifth inclined flow guide section 1022c to rear downward.

Referring to fig. 13, the first oblique flow guiding section 1021a, the third oblique flow guiding section 1022a and the fourth oblique flow guiding section 1022b define a first return air duct (not numbered) located behind the first front return air inlet 102b, and the third oblique flow guiding section 1022a is formed with a plurality of second openings 102d distributed in sequence in a transverse direction. The return air entering from the first front return air inlet 102b enters the cooling space through the first return air duct and the second opening 102d, and enters the evaporator 101 from the upper section of the evaporator 101 to exchange heat with the evaporator 101. The second flow guiding inclined section 1021c and the sixth flow guiding inclined section 1022d define a second return air duct (not numbered) located behind the second front return air inlet 102 a. The return air introduced from the second front return air inlet 102a enters the cooling space through the second return air duct, and enters the evaporator 101 from the lower section of the evaporator 101 to exchange heat with the evaporator 101.

As shown in fig. 16, the dashed arrows in fig. 16 schematically represent the return air flow path. The return air enters the cooling space through the upper return air duct and the lower return air duct, so that the return air more uniformly passes through the evaporator 101, and the heat exchange efficiency is improved. The design of the inclined sections of the return air frame 1021 and the design of the inclined sections of the return air rear cover 1022 guide the liquid water formed in the return air cover 102 for easy drainage.

As shown in fig. 14, the second openings 102d are vertical bars, and the plurality of second openings 102d are distributed in the transverse direction in sequence, and disperse the return air so that the return air enters the upper section of the evaporator 101 more uniformly.

The sixth guide slope 1022d may be formed with a plurality of third openings (not shown) sequentially distributed in the lateral direction, and the return air passing through the second return air passage is divided by each of the third openings and then introduced into the cooling space, so that the return air is introduced into the lower section of the evaporator 101 more uniformly.

The sixth oblique guiding section 1022d may form a mounting portion (not numbered), as shown in fig. 14, the sixth oblique guiding section 1022d forms two mounting portions laterally spaced apart from each other, and correspondingly, the second oblique guiding section 1021c of the return air frame 1021 forms a matching portion matching with the corresponding mounting portion, so as to assemble the return air frame 1021 and the return air rear cover 1022.

As shown in fig. 10, and referring to fig. 14 and 16, the lower surface of the top cover 103 is spaced apart from the upper surface of the evaporator 101, and the front end of the top cover 103 is located behind and above the front end of the evaporator 101, that is, the top cover 103 does not completely shield the upper surface of the evaporator 101, and the front section of the upper surface of the evaporator 101 is not shielded by the top cover 103.

The return air rear cover 1022 further includes a shielding portion (referred to as a first shielding portion 1022e) extending from the third flow guiding inclined section 1022a to the front end of the top cover 103 toward the rear and upward direction, the first shielding portion 1022e is configured to shield a section of the upper surface of the evaporator 101 that is not shielded by the top cover 103, and the first shielding portion 1022e is spaced from the upper surface of the evaporator 101 to form an airflow bypass communicating with the second opening 102d, and at least part of the return air entering through the second opening 102d can enter the evaporator 101 from above the evaporator 101 through the airflow bypass. The space between the top cover 103 and the upper surface of the evaporator 101 is filled with a wind-shielding foam, that is, the rear of the airflow bypass is filled with a wind-shielding foam, so that the return air passing through the airflow bypass flows into the evaporator 101. Therefore, even when the front end face of the evaporator 101 is frosted, return air still enters the evaporator 101 to exchange heat with the evaporator 101, the refrigeration effect of the evaporator 101 is guaranteed, the problem that the refrigeration effect of the existing refrigerator 100 is reduced due to the fact that the front end face of the evaporator 101 is frosted is solved, and the refrigeration performance of the refrigerator 100 is improved.

As shown in fig. 14 and 16, the return air frame 1021 further includes a second shielding portion 1021b bent and extended from the first flow guiding inclined section 1021a to the top cover 103, and the second shielding portion 1021b completely shields the first shielding portion 1022e, so as to maintain the aesthetic appearance of the return air cover 102.

Further, referring to fig. 16, a joint C between the fourth oblique flow guiding section 1022b and the fifth oblique flow guiding section 1022C is located right below the first oblique flow guiding section 1021a, and the liquid water formed in the return air frame 1021 drops down along the inclined plane of the first oblique flow guiding section 1021a to the joint C between the fourth oblique flow guiding section 1022b and the fifth oblique flow guiding section 1022C right below (i.e., a corner between the fourth oblique flow guiding section 1022b and the fifth oblique flow guiding section 1022C), and then drops down along the inclined plane of the fifth oblique flow guiding section 1022C to the second oblique flow guiding section 1021C, and further flows below the evaporator 101. The evaporator 101 generally has a water receiving area formed with a drain opening below the water receiving area to discharge liquid water. Therefore, liquid water formed on the air return cover 102 is guided and discharged, water drop sound which can be sensed by human ears is avoided, and the use experience of a user is improved.

The bottom wall of the first liner 130 may be formed with a water receiving section located below the evaporator 101, a projection of the water receiving section on a vertical plane parallel to the side wall of the first liner 130 includes a front guiding inclined section 133 located at the front side and extending downward and rearward, a horizontal straight section 134 horizontally extending rearward from the front guiding inclined section 133, and a rear guiding inclined section 135 horizontally extending upward and rearward from the rear end of the horizontal straight section 134, and the horizontal straight section 134 is formed with a water discharge port (not shown). The liquid water formed on the return air cover 102 is guided by the inclined sections of the return air frame 1021 and the return air rear cover 1022, flows along the front guide inclined section 133 to the horizontal straight section 134, and is finally discharged through the water outlet. The liquid water on the evaporator 101 flows to the horizontal straight section 134 along the front diversion inclined section 133 and the rear diversion inclined section 135 respectively, and is discharged from the water discharge port.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. A refrigerator facilitating water evaporation, characterized by comprising:

the bottom bin is positioned below the first inner container, the bottom wall of the bottom bin comprises a front bottom plate and a rear bottom plate which are arranged at intervals in the front-rear direction, the interval between the front bottom plate and the rear bottom plate is used for communicating the inner space of the bottom bin with the space below the bottom bin, the rear part of the top wall of the bottom bin is higher than the front part of the top wall of the bottom bin so as to accommodate a compressor in the rear space of the bottom bin, and the two transverse side walls of the bottom bin are respectively provided with ventilation openings communicated with the inner space and the outer; and

and the water pan is arranged on the upper surface of the front bottom plate, so that air flow enters the bottom bin from the two ventilation openings to cool the compressor and then flows to the water pan to promote the evaporation of liquid water.

2. The refrigerator for facilitating water evaporation according to claim 1,

the rear part of the bottom wall of the water pan is gradually inclined upwards from front to back to form a slope surface so as to guide airflow coming from the compressor to the bottom of the water pan and heat the bottom of the water pan.

3. The refrigerator for facilitating water evaporation according to claim 1, further comprising:

the condenser is horizontally arranged below the front bottom plate; and is

And the air flow entering the bottom bin from the vent hole flows to the condenser through the interval between the front bottom plate and the rear bottom plate so as to cool the condenser.

4. The refrigerator for facilitating water evaporation according to claim 3, further comprising:

the barrier strips extend forwards and backwards and are attached to the lower sides of the front bottom plate and the rear bottom plate so as to transversely separate a space between the bottom wall of the bottom bin and a refrigerator supporting surface; and is

The compressor is positioned on one lateral side of the barrier strip;

the condenser is divided into two parts by the barrier strip, and the total heat exchange capacity of the part of the condenser on the same side with the compressor is smaller than that of the other part.

5. The refrigerator for facilitating water evaporation according to claim 1,

the drain pipe extends downwards from the bottom of the first inner container along the vertical direction.

6. The refrigerator for facilitating water evaporation according to claim 1,

an overflow pipe is arranged on the water pan, the bottom end of the overflow pipe is connected to the surface of the water pan, and the upper end of the overflow pipe is open;

the lower end of the drain pipe is inserted into the overflow pipe so as to overflow from the top end of the overflow pipe after the overflow pipe is filled with liquid water, so that the bottom end of the drain pipe is sealed by the liquid water.

7. The refrigerator for facilitating water evaporation according to claim 1,

the bottom wall of the first inner container is in a funnel shape gradually extending downwards from the periphery to a central water collecting point, the central water collecting point is located in the front half area of the bottom of the first inner container, and the water discharging pipe is connected to the central water collecting point.

8. The refrigerator for facilitating water evaporation according to claim 1,

a top cover is arranged in the first inner container and is used for dividing the inner space of the first inner container into a storage space positioned above and a cooling space positioned below; and is

The evaporator of the refrigerator is horizontally disposed in the cooling space and configured to cool the airflow entering the cooling space to form a cooled airflow.

9. The refrigerator for facilitating water evaporation according to claim 8, further comprising:

the air supply duct is arranged on the inner side of the rear wall of the first inner container, is communicated with the cooling space and is configured to convey at least part of the cooling air flow into the storage space;

the top cover comprises a top cover body and a supporting part which is upwards protruded from the rear end of the top cover body, a supporting part which is protruded forwards is formed on the front wall surface of the air supply duct, and the top cover and the air supply duct are arranged to enable the supporting part to support the supporting part so as to prevent the air supply duct from falling.

10. The refrigerator for facilitating water evaporation according to claim 1,

the first inner container is a freezing inner container, and the storage space is a freezing space; and the refrigerator further comprises:

the temperature-changing liner is positioned right above the storage liner, and a temperature-changing space is defined in the temperature-changing liner;

and the refrigerating liner is positioned right above the temperature changing liner, and a refrigerating space is limited in the refrigerating liner.