CN208688065U

CN208688065U - Refrigerator with horizontal bottom of evaporator and top of compressor

Info

Publication number: CN208688065U
Application number: CN201820526921.5U
Authority: CN
Inventors: 李伟; 聂圣源; 王晶; 野田俊典; 刘昀曦
Original assignee: Qingdao Haier Co Ltd
Current assignee: Haier Smart Home Co Ltd
Priority date: 2018-04-13
Filing date: 2018-04-13
Publication date: 2019-04-02
Anticipated expiration: 2028-04-13

Abstract

The utility model provides a refrigerator in which the bottom of the evaporator is placed horizontally and the compressor is placed on the top. It includes: a box body, and at least one storage compartment, a compressor compartment and a cooling room are defined inside the box body. and a refrigeration system, the refrigeration system is configured to provide cooling capacity to the at least one storage compartment. And the refrigeration system includes a compressor and an evaporator. The cooling chamber is arranged at the bottom of the box body and is located on the lower side of at least one storage compartment; the evaporator as a whole is in the shape of a flat cube and is placed horizontally in the cooling room; the compressor compartment is arranged on the top rear side of the box body; inside the cabin. The internal space of the refrigerator can be reasonably utilized, the bending range of the user can be reduced, the placing of larger items can be facilitated, and the problem that items behind the top of the refrigerator compartment are not easily accessible can be solved.

Description

Base of evaporator is horizontal and the refrigerator of compressor overhead

Technical field

It is horizontal more particularly to a kind of base of evaporator and compressor overhead the utility model relates to household appliances field Refrigerator.

Background technique

As society is increasingly developed and people's living standard is continuously improved, people's lives rhythm is also getting faster, thus Increasingly it is ready that buying many foods is placed in refrigerator, refrigerator has become indispensable household electric in people's daily life One of device, and the convenience requirement picked and placed to refrigerator space requirement, article is also higher and higher.The compressor bin of current refrigerator is general It is arranged in the bottom of back, refrigerating evaporator is placed on the back of refrigerator compartment, and wind enters from the bottom of evaporator, straight up Evaporator is flowed through, is blown out from upper end, after the circle of indoor circulation one, the freezing chamber for being again introduced into back carries out refrigeration cycle.And The case where corresponding this compressor bin and evaporator are arranged: lower section is the refrigerator of freezing chamber, and the lowermost freezer drawer can not be kept away Exempt to be made into the profiled shape stepped down to compressor bin, and due to keep the drawer of lower section to the resigning at compressor bin There is certain big volume, drawer is usually made deep, and due to the use habit of user, need of the most people for freezing chamber Ask more, so resulting in following deficiency in existing use process: on the one hand, when user places article in deeper drawer It need to significantly bend over to operate, it is inconvenient for old man, and article is taken also less just in top refrigerating chamber rear portion Benefit, on the other hand, the article that the bottom of deep drawer is placed are easily blocked, and cause user to be not easy to find and cause to forget, most Go bad afterwards, waste, finally, because drawer is made into abnormity, not only occupies greatly freezing volume, and for some volumes The larger article for being not easy to divide, the lowermost drawer are inconvenient to place.

In view of the above deficiencies, although prior art can individually solve it, well but without one Total solution.It need to significantly bend over to operate when placing user in deeper drawer article, especially for old man Speech, deficiency not very convenient: now there are the sizes that the bottom-thickened of refrigerator is used to raise compartment in the market, although can subtract Few user is to carry out bending over to operate, but such scheme sacrifices volume to meet, and is not optimal case using refrigerator.For depth The article that the bottom of drawer is placed is easily blocked, and user is caused to be not easy to find and cause to forget, and is finally gone bad, is wasted not Foot, there are mainly two types of solution on existing market, first, the record when user puts article into, expire the control being automatically reminded to Program, such mode early period need to record operation, relatively complicated, and module identification degree is not high, and actual use situation is pessimistic；The Two, bottom uses small drawer, but the small drawer frequency of usage of such mode is not high, is not optimal case therefore.For because It is made into abnormity for drawer, the article for being not easy to divide larger for some volumes, the lowermost drawer is inconvenient to the deficiency placed；It is existing Have in the market and compressor bin is placed at the top of refrigerator, so that the drawer of bottom is made into regular rectangular configuration, although this The pain spot for the placement large article that kind of mode solves, but unavoidably or by a relatively large margin curved is needed for user operation process Waist, thus it is also not optimal case.

Utility model content

One purpose of the utility model is intended to overcome at least one defect of current refrigerator, provides a kind of base of evaporator Horizontal and compressor overhead refrigerator, can rationally utilize interior refrigerator space, reduce user using when amplitude of bending over, can It facilitates and places large article, also solve the problems, such as that refrigerating chamber top rear article is not easy to take.

Particularly, the utility model provides that a kind of base of evaporator is horizontal and the refrigerator of compressor overhead.The refrigerator packet It includes:

Cabinet, the box house define at least one storage room, compressor bin and cooling chamber；With

Refrigeration system, the refrigerant system configuration provide cooling capacity to storage room described at least one；And the refrigeration System includes compressor and evaporator；It is characterized in that,

The cooling chamber is set to the bottom of the cabinet, and on the downside of at least one described storage room；The steaming Sending out device is integrally in that flat cubic is horizontally placed in the cooling chamber；

The compressor bin is set to the top rear of the cabinet；The compressor is set in the compressor bin.

Preferably, the storage room is multiple, including the first storage room and above first storage room The second storage room；The cooling chamber is in the downside of first storage room；And

The box house is further defined with supply air duct and return airway；

The supply air duct is set to the rear side of at least one storage room, is configured to be connected to the cooling chamber and every A storage room；

The return airway is set to the side of the cabinet, is configured to be connected to second storage room and the cooling Room；

The front end of the cooling chamber has the first return air inlet being connected to first storage room；

The one side wall front end of the cooling chamber has the second return air inlet of return airway connection；

First return air inlet and second return air inlet are respectively positioned on the front side of the evaporator.

Preferably, the cabinet includes:

First inner pipe assembly has the first liner, and assembling and locking evaporator cover and the first wind in first liner Road cover board；The front end of the assembling and locking evaporator cover has first return air inlet, and the bottom of the assembling and locking evaporator cover and first liner Wall limits the freezing compartment；It is the partial sector of the supply air duct on rear side of first air duct cover board；First wind Road cover board, the roof of the assembling and locking evaporator cover and first liner, two side walls limit first storage room；

Second inner pipe assembly has the second liner, and the second air duct cover board in second liner；It is described It is the partial sector of the supply air duct on rear side of second air duct cover board；The front side of second air duct cover board is second storing Compartment；With

Return airway pipe is set to the outside of first liner and the second liner, to limit the return airway.

Preferably, the front end of the assembling and locking evaporator cover bends downward or is bent, to form turn of bilge, the first return air inlet setting In the turn of bilge；

The refrigerator further includes the first drawer and the second drawer, and first drawer and second drawer are mounted on institute The first storage room is stated, and first drawer is located at the upside of second drawer.

Preferably, the upper surface of the evaporator is stacked with the foam that keeps out the wind in step shape, the placement of foam of keeping out the wind At having gap between the front and evaporator for making the foam that keeps out the wind, the rear portion of the foam that keeps out the wind contacted with evaporator to It leans on.

Preferably, the refrigeration system further includes being set to the indoor centrifugal blower of the cooling, before rotation axis End is lower than rear end, so that the centrifugal blower is obliquely arranged, and is located on rear side of the evaporator.

Preferably, the refrigeration system further includes cooling fan and condenser, the compressor, the cooling fan and institute State condenser successively laterally setting in the compressor bin；

The cabinet also has heat dissipation air inlet and heat radiation air outlet, and the wind outside the refrigerator is by the heat dissipation air inlet Into the compressor bin, successively passes through the condenser, the cooling fan and the compressor, pass through the heat dissipation outlet air Mouth outflow.

Preferably, the condenser is obliquely installed to the direction for being gradually distance from the compressor from the bottom to top；

The heat dissipation air inlet is two, is respectively arranged at the top surface and rear surface of the cabinet, and close on described cold Condenser；

The heat radiation air outlet is two, is respectively arranged at the top surface and rear surface of the cabinet, and close on the pressure Contracting machine.

Preferably, refrigerator further includes evaporating dish, is set to the bottom rear end of the cabinet, and under the cooling chamber Side；And

There is drip tray structure, the drip tray structure is set to the lower section of the evaporator, and institute in the cooling chamber The minimum point for stating drip tray structure is provided with discharge outlet, and the discharge outlet connects drainpipe, so that in the drip tray structure Condensed water is transmitted to the evaporating dish via the drainpipe；

The refrigeration system also has the evaporation tube being set in the evaporating dish.

Preferably, the cross section of the drainpipe is ellipse, and the long axis of the ellipse of the cross section of the drainpipe is 20 ㎜ to 50 ㎜, short axle are 8 ㎜ to 15 ㎜；

The discharge outlet is circle, and the drainpipe is connect by connector with the discharge outlet；

The first end of the connector is ellipse, is connect with the drainpipe, and the second end of the connector is circle, It is connect with the discharge outlet.

The refrigerator of the utility model proposes that the refrigerator of evaporator, overhead compressor is set at a kind of bottom by resetting layout Scheme is used to while solving above at least two deficiency.The top of refrigerator back is arranged in the compressor bin of the utility model, cold Freeze the bottom that room is set to refrigerator, evaporator is horizontal, to reduce curved when user uses raising the lowermost freezer drawer While waist amplitude, it can also facilitate by the rectangular structure of drawer, while maintaining original volume and place larger object Product；And compressor bin be placed on top after occupy be refrigerating chamber volume, also meet user for freezing volume increase Demand also solves the problems, such as that refrigerating chamber top rear article is not easy to take, provides certain convenience.

According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more Add the above-mentioned and other purposes, advantages and features of clear the utility model.

Detailed description of the invention

Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter Apply example.Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that The drawings are not necessarily drawn to scale.In attached drawing:

Fig. 1 is the schematic diagram according to the refrigerator of the utility model one embodiment；

Fig. 2 is the schematic cross sectional views according to the refrigerator of the utility model one embodiment；

Fig. 3 is the schematic expanded view in Fig. 2 at A；

Fig. 4 is the schematic local structural graph according to the refrigerator of the utility model one embodiment.

Specific embodiment

Fig. 1 is the schematic diagram according to the refrigerator of the utility model one embodiment.As shown in Figure 1 and refer to Fig. 2 To Fig. 4, this utility model embodiment provides that a kind of 40 bottom of evaporator is horizontal and the refrigerator of 30 overhead of compressor, general Ground may include: cabinet 20, door body and refrigeration system.

Wherein, at least one storage room, compressor bin 22 and cooling chamber 21 are defined inside cabinet 20.Refrigeration system is matched It is set to at least one storage room and cooling capacity is provided；And refrigeration system may include compressor 30, condenser 70, throttling set and steaming Send out device 40.

Cooling chamber 21 is set to the bottom of cabinet 20, and on the downside of at least one storage room.Evaporator 40 is whole to be in Flat cubic level is horizontally placed in cooling chamber 21.Cooling chamber 21 is set to the bottom of cabinet 20 and in all storage room Downside, all storage rooms can be raised, can be used family do not have to biggish amplitude of bending over, article can be picked and placed.Further, Middle evaporator 40 is placed in the rear side of storage room compared with the existing technology, and the cooling chamber 21 and evaporator 40 of the utility model are not 20 inner space of cabinet can be occupied in the longitudinal direction of front and back, i.e., will not reduce the depth of storage room, may make freezing chamber Depth is long, can reach the purpose for increasing freezing chamber depth and volume, in order to place biggish article.Further, It is very deep in upper and lower depth direction prevented also from downside drawer, it causes blocking for interior items to be not easy to find, causes to rot.

Compressor bin 22 is set to the top rear of cabinet 20；Compressor 30 is set in compressor bin 22.Condenser 70 It may be disposed in compressor bin 22, may also set up in other positions, such as the medial surface of the outer housing of cabinet 20.Preferably, it condenses Device 70 is also disposed in compressor bin 22, and to make full use of space in compressor bin 22, minimizing ground as far as possible influences refrigerator Storage space.Compressor bin 22 is set to the top rear of cabinet 20, and the depth of top storage space can be prevented too deep, can be prevented Top storage space rear portion article of taking is also less convenient.Compressor bin 22 be placed on top after occupy be top storage space The volume of (such as refrigerating chamber) also meets the demand that user increases lower part storage space (such as freezing chamber) volume, also solves Refrigerating chamber top rear article is not easy the problem of taking, and provides certain convenience.

In some embodiments of the utility model, storage room can be to be multiple, including the first storage room 23 and are in Second storage room 24 of 23 top of the first storage room；Cooling chamber 21 is in the downside of the first storage room 23.Specifically, One storage room 23 can be freezing chamber, and the second storage room 24 can be refrigerating chamber.Further, storage room may also comprise third Storage room is set between the first storage room 23 and the second storage room 24, preferably temperature-changing chamber.

Further, supply air duct 25 and return airway 26 are further defined with inside cabinet 20.Supply air duct 25 be set to The rear side of a few storage room, is configured to connection cooling chamber 21 and each storage room.Specifically, after each storage room There can be air outlet on wall, to receive the cold airflow in supply air duct 25.Return airway 26 is set to the side of cabinet 20, configuration At the second storage room 24 of connection and cooling chamber 21.The front end of cooling chamber 21 has first time be connected to the first storage room 23 Air port 211.The second return air inlet 212 that there is return airway 26 to be connected to for the one side wall front end of cooling chamber 21.First return air inlet, 211 He Second return air inlet 212 is respectively positioned on the front side of evaporator 40.In some embodiments, return airway 26 can be two, be set to case The two sides of body 20, and the outside of at least one storage room.The close door of side wall is arranged in the return air inlet of second storage room 24 The front lower portion on side.Further, the supply air duct 25 of the rear side of the first storage room 23 and the second storage room 24 rear side Supply air duct 25 is disposed with air door in intersection, and the effect of air door is easy for system control freezing separate refrigeration or refrigeration, freezing Refrigeration mode simultaneously.

In some embodiments of the utility model, cabinet 20 may include the first inner pipe assembly, the second inner pipe assembly and return Wind wind channel tube.First inner pipe assembly has the first liner, and assembling and locking evaporator cover 27 and the first air duct lid in the first liner Plate.The front end of assembling and locking evaporator cover 27 has the first return air inlet 211, and the bottom wall of assembling and locking evaporator cover 27 and the first liner limits freezer Room.It is the partial sector of supply air duct 25 on rear side of first air duct cover board.In first air duct cover board, assembling and locking evaporator cover 27 and first The roof of gallbladder, two side walls limit the first storage room 23.

Second inner pipe assembly can have the second liner, and the second air duct cover board in the second liner.Second air duct It is the partial sector of supply air duct 25 on rear side of cover board.The front side of second air duct cover board is the second storage room 24.Return airway pipe It may be disposed at the outside of the first liner and the second liner, to limit return airway 26.

In some embodiments of the utility model, refrigerator further includes the first drawer and the second drawer, the first drawer and second Drawer is mounted on the first storage room 23, and the first drawer is located at the upside of the second drawer.In other realities of the utility model It applies in example, refrigerator only includes a drawer, is set in the first storage room 23.

Enter cooling chamber 21 for the ease of the air-flow of the second storage room 24, the front end of assembling and locking evaporator cover 27 is bent downward or curved Song, to form turn of bilge, the first return air inlet 211 is set to turn of bilge.As shown in Figures 2 and 3, the front end of assembling and locking evaporator cover 27 is turned under Folding.

In some embodiments of the utility model, the modes of emplacement that evaporator 40 uses is horizontal horizontal, and evaporator 40 lower end is also embedded with heater strip and is used for defrost, may also set up other component, such as defrosting sensor component on evaporator 40.

In some embodiments of the utility model, the upper end of evaporator 40 is stacked with the foam 50 that keeps out the wind, and keep out the wind foam 50 For step shape, there is certain gap between front and evaporator 40, this portion gap is for when 40 front end frosting of evaporator Afterwards, return air can enter from this portion gap continues heat exchange cooling.The keep out the wind rear portion of foam 50 is and 40 wall surface of evaporator It is adjacent to, to prevent non-return short circuit without evaporator 40, guarantees that return air at least carries out heat exchange with the rear portion of evaporator 40.

In some embodiments of the utility model, refrigerator further includes evaporating dish 90, is set to the bottom rear end of cabinet 20, And it is in the downside of cooling chamber 21.For example, evaporating dish 90 is fixed on the bottom steel plate of refrigerator.There is drip tray knot in cooling chamber 21 Structure 213, drip tray structure 213 can be in the funnel-forms of abnormity.Drip tray structure 213 is set to the lower section of evaporator 40, to receive The defrosting water fallen on evaporator 40, and the minimum point of drip tray structure 213 is provided with discharge outlet, discharge outlet connects drainpipe 214, so that the condensed water in drip tray structure 213 is transmitted to evaporating dish 90 via drainpipe 214.Refrigeration system also has setting Distribute moisture in the evaporation tube 91 in evaporating dish 90 with the water in heating evaporation ware 90.In some embodiments, refrigeration system System may also include back condenser 70, be set to the inner surface of the rear side shell of refrigerator.Evaporation tube 91 in evaporating dish 90 can be from Back condenser 70 extends out.

In some further embodiments of the utility model, drip tray structure 213 can be to be arranged separately in cooling Drip tray in room 21；Or drip tray structure 213 is the bottom wall of cooling chamber 21, such as the bottom wall of the first liner, is directly recessed It is formed.The cross section of drainpipe 214 is ellipse, and the long axis of the ellipse of the cross section of drainpipe 214 is 20 ㎜ to 50 ㎜, Short axle is 8 ㎜ to 15 ㎜.Discharge outlet is circle, and drainpipe 214 is connect by connector with discharge outlet.The first end of connector It for ellipse, is connect with drainpipe 214, the second end of connector is circle, is connect with discharge outlet.

In some embodiments of the utility model, refrigeration system further includes breeze fan 60, is configured to that air-flow is promoted to exist It is recycled between each storage room and cooling chamber 21.Breeze fan 60 may be disposed in supply air duct 25, may also set up in In cooling chamber 21.Preferably, breeze fan 60 is set in cooling chamber 21, and is in the rear side of evaporator 40.

Since 20 bottom rear end of cabinet has evaporating dish 90, in order to as make cooling chamber 21 and evaporating dish 90 approximatively total as possible Locate one piece of rectangular area, the partial sector in the space at 21 rear portion of cooling chamber or whole sections can for from front to back it is diminishing gradually Contracting space, in order to which evaporating dish 90 is arranged in the space lower part.Discharge outlet may be provided at 40 lower part of evaporator close to evaporating dish 90, and Higher than evaporating dish 90, compared with conventional discharge scheme, this scheme shortens the length of drainage pipeline, has cut the portion of drainage pipeline Point bent tube section greatly reduces and occurs that ice is stifled, possibility dirty plugging.That is, the utility model can make discharge outlet Closer to evaporating dish 90, drainpipe 214 is shorter, and generation ice is stifled, possibility dirty plugging is smaller.

Breeze fan 60 is preferably centrifugal blower, and the front end of rotation axis is lower than rear end, so that breeze fan 60 inclines It is tiltedly set to 40 rear side of evaporator, setting can be in the case where guaranteeing air output, so that the height of cooling chamber 21 designs in this way It is relatively small, and then can be in the case where the height of cabinet 20 be certain, so that storing volume is bigger.Centrifugal blower is preferably set up In the front or front in tapered space, to make full use of the characteristic in tapered space, improve air-flow conveying speed and/or conveying away from From etc. conveying effects.In some alternate embodiments of the utility model, breeze fan 60 can be cross flow fan or axis stream wind Machine etc..

When centrifugal blower is installed, centrifugal blower is the blower surrounding package to insert embedding mode and be installed on ducting assembly The noise that damping sponge is used to prevent blower rotation vibration from generating.Ducting assembly may include constituting cooling chamber 21, supply air duct 25 And/or the component of return airway 26.

Evaporator 40 and centrifugal blower need to keep between the two certain size simultaneously, avoid fan blade and evaporator 40 Collide while interfere, guarantee the compactedness of space layout, be further in order to avoid evaporator 40 is in a large amount of frostings, Frost layer is prevented because causing blower frosting apart from too small and spread on fan blade, and reduce the stream of wind path to the greatest extent Loss when dynamic, prevents blower wind outlet from preventing wind from passing through, and reduces the noise of air-flow flowing, guarantees air supply efficiency.On rear side of blower obliquely Air duct (i.e. tapered space) and the vertical air duct of back (i.e. supply air duct 25) also need keep certain size, avoid to lower freezing pumping The influence of drawer (i.e. the second drawer) back lower corner rectangular configuration, is further to condense after defrost in air duct It when water, can be smoothly discharged, the case where ponding freezes and influences subsequent refrigeration will not locally occurring.

In some embodiments of the utility model, as shown in Figure 1 and Figure 4, refrigeration system further includes cooling fan 80, pressure The successively laterally setting in compressor bin 22 of contracting machine 30, cooling fan 80 and condenser 70.Cabinet 20 also has heat dissipation air inlet 221 and heat radiation air outlet 222, the wind outside refrigerator enters compressor bin 22 by heat dissipation air inlet 221, successively passes through condenser 70, cooling fan 80 and compressor 30, are flowed out by heat radiation air outlet 222, to realize 22 radiation processes of compressor bin.Further Ground, heat dissipation air inlet 221 are two, are respectively arranged at the top surface and rear surface of cabinet 20.Heat radiation air outlet 222 is two, It is respectively arranged at the top surface and rear surface of cabinet 20.

Specifically, can be separated with foaming layer between compressor bin 22 and the second liner, basic configuration can be L-type, corresponding pressure Contracting cabin cover board is an inverted L shape, and heat dissipation air inlet 221 and heat radiation air outlet 222 are arranged on compressor bin cover board, is radiated Air inlet 221 is arranged in 70 side of condenser, and heat radiation air outlet 222 is arranged in 30 side of compressor, the inlet and outlet with conventional back Unlike, it is furnished with heat dissipation air inlet 221 and heat radiation air outlet 222, also at the top of compressor bin cover board so as to by heat exchange Hot wind can be discharged quickly under the action of hot gas convection current, promoted compressor bin 22 heat exchange efficiency, can also refrigerator with When outer wall or smaller cabinet preset space, guarantee the smoothness of air inlet and the outlet, is further ensured that compressor bin 22 radiates.

Further, condenser 70 is obliquely installed to the direction for being gradually distance from compressor 30 from the bottom to top.Condenser 70 inclines Tiltedly setting, can effectively increase heat exchange area in the case where 22 height limitation of compressor bin, and then promote its exchange capability of heat, press The height limitation of contracting cabin 22 can further increase effective storing volume.Condenser 70 is in tilted layout, and tilt angle can be 40 ° ~50 °, the height of compressor bin 22 can also be reduced under the premise of not influencing 70 heat exchange efficiency of condenser the reason of inclination arrangement Degree keeps compressor bin 22 to maintain 175mm hereinafter, occupying to reduce the volume of the refrigerating chamber of lower section by degree.

So far, although those skilled in the art will appreciate that the more of the utility model have been shown and described in detail herein A exemplary embodiment still, still can be according to the utility model public affairs in the case where not departing from the spirit and scope of the utility model The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this is practical new The range of type is understood that and regards as to cover all such other variations or modifications.

Claims

1. A refrigerator with an evaporator at the bottom and a compressor at the top, comprising:

a case with at least one storage compartment, a compressor compartment and a cooling chamber defined inside the case; and

a refrigeration system configured to provide refrigeration to at least one of the storage compartments; and the refrigeration system includes a compressor and an evaporator; characterized in that,

The cooling chamber is arranged at the bottom of the box body, and is located on the lower side of at least one of the storage compartments; the evaporator is placed in the cooling chamber in the shape of a flat cube as a whole;

The compressor compartment is arranged on the top rear side of the casing; the compressor is arranged in the compressor compartment.

2. The refrigerator according to claim 1, characterized in that,

There are multiple storage compartments, including a first storage compartment and a second storage compartment above the first storage compartment; the cooling room is located at the bottom of the first storage compartment. the underside; and

A supply air duct and a return air duct are also defined inside the box body;

The air supply duct is arranged on the rear side of at least one of the storage compartments, and is configured to communicate with the cooling compartment and each of the storage compartments;

The return air duct is arranged on one side of the box, and is configured to communicate with the second storage compartment and the cooling chamber;

The front end of the cooling chamber has a first air return port communicating with the first storage compartment;

A front end of a side wall of the cooling chamber has a second air return port communicated with the air return air duct;

Both the first air return port and the second air return port are located on the front side of the evaporator.

3. The refrigerator according to claim 2, characterized in that the box body comprises:

a first inner tank assembly, which has a first inner tank, an evaporator cover and a first air duct cover plate located in the first inner tank; the front end of the evaporator cover has the first air return port, and the evaporator cover and the bottom wall of the first inner pot define the cooling chamber; the rear side of the first air duct cover plate is a part of the air supply duct; the first air duct The channel cover, the evaporator cover, and the top wall and the two side walls of the first inner pot define the first storage compartment;

A second inner tank assembly, which has a second inner tank and a second air duct cover plate located in the second inner tank; the rear side of the second air duct cover plate is part of the air supply air duct section; the front side of the second air duct cover is the second storage compartment; and

The return air duct pipe is arranged on the outer side of the first inner liner and the second inner liner to define the return air duct.

4. The refrigerator according to claim 3, characterized in that,

The front end of the evaporator cover is bent or bent downward to form a curved portion, and the first air return port is arranged on the curved portion;

The refrigerator further includes a first drawer and a second drawer, the first drawer and the second drawer are both installed in the first storage compartment, and the first drawer is located on the second drawer side.

5. The refrigerator according to claim 1, characterized in that,

The upper surface of the evaporator is stacked with wind-shielding foam in a step shape, the wind-shielding foam is arranged such that there is a gap between the front part of the wind-shielding foam and the evaporator, and the rear part of the wind-shielding foam contact with the evaporator.

6. The refrigerator according to claim 1, characterized in that,

The refrigeration system further includes a centrifugal fan arranged in the cooling chamber, the front end of the rotation axis of which is lower than the rear end, so that the centrifugal fan is arranged obliquely and located at the rear side of the evaporator.

7. The refrigerator according to claim 1, characterized in that,

The refrigeration system further includes a cooling fan and a condenser, and the compressor, the cooling fan and the condenser are laterally arranged in sequence in the compressor compartment;

The box body also has a heat dissipation air inlet and a heat dissipation air outlet, and the air outside the refrigerator enters the compressor compartment through the heat dissipation air inlet, and passes through the condenser, the heat dissipation fan and the compressor in sequence. flow out through the cooling air outlet.

8. The refrigerator according to claim 7, characterized in that,

The condenser is inclined from bottom to top and gradually moves away from the compressor;

There are two heat dissipation air inlets, which are respectively arranged on the top surface and the rear surface of the box body, and are adjacent to the condenser;

There are two heat dissipation air outlets, which are respectively disposed on the top surface and the rear surface of the box body, and are adjacent to the compressor.

9. The refrigerator according to claim 1, wherein the bottom of the evaporator is placed horizontally and the compressor is placed on the top, further comprising:

an evaporating dish, arranged at the bottom rear end of the box body, and at the lower side of the cooling chamber; and

The cooling chamber has a water-receiving pan structure, the water-receiving pan structure is arranged below the evaporator, and the lowest point of the water-receiving pan structure is provided with a drain port, and the drain port is connected to a drain pipe, so that the The condensed water in the water receiving pan structure is transmitted to the evaporating dish through the drain pipe;

The refrigeration system also has an evaporating tube arranged in the evaporating dish.

10. The refrigerator according to claim 9, wherein the bottom of the evaporator is placed horizontally and the compressor is placed on the top, wherein:

The cross section of the drain pipe is oval, the long axis of the ellipse of the cross section of the drain pipe is 20 mm to 50 mm, and the short axis is 8 mm to 15 mm;

The drain outlet is circular, and the drain pipe is connected with the drain outlet through a connector;

The first end of the connecting piece is oval and connected with the drain pipe, and the second end of the connecting piece is circular and connected with the drain.