CN213040837U

CN213040837U - Multifunctional refrigerator

Info

Publication number: CN213040837U
Application number: CN202021147108.0U
Authority: CN
Inventors: 徐楠; 梁军; 李霄
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: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-04-23
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a multifunctional refrigerator, which comprises a box body, wherein the box body comprises an ultra-low temperature chamber, and a tray and an evaporator positioned at the bottom of the tray are arranged in the ultra-low temperature chamber; wherein the tray and the evaporator are configured to be drawn out and pushed in together from the ultra-low-temperature chamber. The utility model discloses in the multi-functional refrigerator that provides has increased the super low temperature chamber that has the function of fried ice, fried acidophilus milk, because a set of evaporimeter is concentrated in the tray bottom, make it have than the stronger function of current freezer room fast freezing power, can refrigerate the piece fast, in addition than using current freezer system ice-cube, quick-freeze food faster, reach the purpose of saving time, power saving.

Description

Multifunctional refrigerator

Technical Field

The utility model relates to a multifunctional refrigerator belongs to refrigeration technology field.

Background

With the improvement of the living standard of consumers, the eating methods of foods are increased, and the dairy food is also added with a plurality of types such as fried yoghourt, dried milk, milk fan, milk cake and the like from the traditional liquid milk, milk powder and cheese. The fried yoghurt has very delicious taste and high acceptance by consumers. However, at present, a yogurt frying machine is needed for preparing the fried yogurt, but the yogurt frying machine sold separately is expensive and inconvenient to operate, and the difficulty of eating the fried yogurt by consumers is increased.

However, the existing household intelligent refrigerator generally has only freezing and refrigerating functions, wherein the freezing chamber is only used for freezing food and preparing simple cold drinks, and is limited by the influence of factors such as freezing temperature, refrigerating efficiency and the like, and it is difficult to prepare fine and refreshing fried yogurt, so that it cannot meet the needs of consumers for fried yogurt.

In view of this, it is necessary to optimize the structure of the existing household intelligent refrigerator so that it can meet the requirement of fast cooling, and further can meet the requirement of consumers for preparing fried yogurt and various other cold drinks by using the household intelligent refrigerator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to remedy above-mentioned prior art not enough, provide a domestic intelligent refrigerator, it has current domestic intelligent refrigerator's function, still has simultaneously concurrently and can satisfy the consumer and utilize domestic intelligent refrigerator to prepare out the demand of frying acidophilus milk and various other cold drinks.

In order to achieve one of the above purposes of the present invention, an embodiment of the present invention provides a multifunctional refrigerator, which comprises a box body, wherein the box body comprises an ultra-low temperature chamber, and a tray and an evaporator located at the bottom of the tray are arranged in the ultra-low temperature chamber; wherein the tray and the evaporator are configured to be drawn out and pushed in together from the ultra-low-temperature chamber.

As an optional technical solution, the evaporator is communicated with the compressor and the capillary tube through a set of flexible tubes, and when the tray and the evaporator are pulled out from the ultra-low temperature chamber together, the set of flexible tubes are pulled out together; when the tray and the evaporator are pushed into the ultra-low temperature chamber together, the group of flexible pipes returns to the box body.

As an optional technical solution, the evaporator includes a bottom plate and a sidewall surrounding the bottom plate, the bottom plate and the sidewall define an accommodating space, and the tray is embedded in the accommodating space.

As an optional technical solution, the evaporator includes a pipeline, the pipeline is located in the accommodating space, and the pipeline is attached to the bottom of the tray.

As an optional technical scheme, a groove is formed in the bottom plate, and the pipeline is embedded in the groove.

As an optional technical solution, the set of flexible tubes includes an inlet pipeline and an outlet pipeline, the inlet pipeline is communicated with the inlet end of the pipeline, and the outlet pipeline is communicated with the outlet end of the pipeline.

As an optional technical solution, the evaporator includes an upper plate and a lower plate which are oppositely arranged, a cavity is provided between the upper plate and the lower plate, and the tray is placed above the upper plate.

As an alternative solution, the lower deck comprises an outer wall around its periphery, which projects towards the upper deck and is connected to the periphery of the upper deck.

As an optional technical scheme, the upper end of the outer wall is higher than the upper surface of the upper plate.

As an optional technical solution, the evaporator further includes a pipeline, and the pipeline is disposed in the cavity.

As an optional technical solution, the lower plate protrudes a plurality of fixing seats towards the upper plate, the fixing seats have concave portions, and the pipeline is clamped in the concave portions.

As an optional technical solution, the pipeline is attached to a lower surface of the upper plate, and the lower surface of the upper plate faces the lower plate.

As an optional technical solution, the ultra-low temperature chamber may further include a slide rail, a fixed rail of the slide rail may be fixed to the ultra-low temperature chamber, and a movable rail of the slide rail may be fixed to the evaporator, wherein the movable rail slides along the fixed rail, so that the evaporator and the tray may be collectively disposed to be drawn out of and pushed into the ultra-low temperature chamber.

As an optional technical solution, the drawer door is fixed to a near side of the evaporator, and when the drawer door is pulled out or pushed in, the evaporator and the tray are pulled out or pushed in together.

Compared with the prior art, the utility model provides a multi-functional refrigerator has increased the ultralow temperature chamber that has the function of fried ice, fried acidophilus milk, superposes the bottom of tray with the evaporimeter in the ultralow temperature chamber, and the control evaporimeter is direct to the tray refrigeration, realizes quick refrigeration, consequently can fry acidophilus milk, make purposes such as ice fast on the tray.

On one hand, more requirements of people on the intelligent refrigerator are met; on the other hand, because the evaporator directly acts on the tray to cool the tray, compared with the existing refrigerator, the refrigerator has higher refrigeration rate and achieves the purposes of saving time and electricity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a plan view of an ultra-low temperature chamber in a multifunctional refrigerator according to the present invention.

Fig. 2 is a top view of the evaporator of the ultra-low temperature compartment of fig. 1.

Fig. 3 is a schematic view of the tray of fig. 1.

Fig. 4 is a schematic view of another tray provided by the present invention.

Fig. 5 is a schematic sectional view of an evaporator provided in another embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used in the orientation or position relationship illustrated in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Fig. 1 is a plan view of an ultra-low temperature chamber in a multifunctional refrigerator of the present invention; FIG. 2 is a top view of the evaporator of the ultra-low temperature compartment of FIG. 1; fig. 3 is a schematic view of the tray of fig. 1.

As shown in fig. 1 to 3, the multi-functional refrigerator 10 has a cabinet 1 and a ultra-low-temperature compartment 2 formed in the cabinet 1, and a tray 3 and an evaporator 4 which can be drawn out or pushed in together are disposed in the ultra-low-temperature compartment 2.

The ultra-low temperature chamber 2 is also provided with a set of flexible pipes, which comprise an outlet pipe 5 and an inlet pipe 6, and the refrigerant enters the evaporator 4 through the inlet pipe 6 and then flows out of the evaporator 4 into the outlet pipe 5.

In this matter, the evaporator 4 is connected to the capillary tube and the compressor in the multi-functional refrigerator 10 through a set of flexible tubes, i.e., the outlet tube 5 and the inlet tube 6, wherein the compressor can be disposed at the top or bottom of the multi-functional refrigerator 10.

In a preferred embodiment, the ultra-low temperature compartment 2 is provided adjacent to the freezing compartment, and more preferably, the ultra-low temperature compartment 2 may be a separate space from the freezing compartment.

In a preferred embodiment, after the tray 3 and the evaporator 4 are pulled out of the ultra-low-temperature chamber 2 together, the outlet pipe 5 and the inlet pipe 6 are pulled out of the ultra-low-temperature chamber 2 together; when the tray 3 and the evaporator 4 are pushed into the ultra-low-temperature chamber 2 together, the outlet duct 5 and the inlet duct 6 are returned to the inside of the ultra-low-temperature chamber 2 again, and are received at the rear wall of the casing 1. The rear wall of the cabinet 1 is a side wall of the multifunctional refrigerator 10 away from the user.

In addition, the outlet pipeline 5 and the inlet pipeline 6 in the group of flexible pipes can be appropriately deformed in the process of pulling out and pushing in the ultra-low temperature chamber 2, so that the flexible pipes can be conveniently pulled out and pushed in. The flexible tube is, for example, a low temperature resistant rubber hose or a metal hose.

In a preferred embodiment, the walls of the flexible tube may be corrugated, suitably stretched when pulled out, and suitably folded when pushed in.

In a preferred embodiment, the ends of the outlet and

inlet lines

5, 6 connected to the evaporator 4 are threaded and threadedly engaged with the refrigerant inlet and

outlet ends

91, 92 of the line 9 of the evaporator 4.

In a preferred embodiment, the junctions where the refrigerant inlet end 91 and the refrigerant outlet end 92 are connected to the outlet line 5 and the inlet line 6, respectively, are provided with pipe clamps to prevent the junctions where the refrigerant inlet end 91 and the inlet line 6 are disconnected and where the refrigerant outlet end 92 and the outlet line 5 are disconnected.

In addition, when the ultra-low-temperature chamber 2 is in a use state, the drawer door 8 on the front side is opened, and the outlet pipeline 5 and the inlet pipeline 6 are in the box body 1, but the ultra-low-temperature chamber 2 is communicated with the external environment, so that the outlet pipeline 5 and the inlet pipeline 6 are exposed to the external environment, the temperature of the external environment greatly affects the outlet pipeline 5 and the inlet pipeline 6, and the loss of the cooling capacity of the refrigerant flowing through the outlet pipeline 5 and the inlet pipeline 6 is caused. Wherein, the outer sides of the outlet pipeline 5 and the inlet pipeline 6 are wrapped with the heat-insulating layer, so that the loss of the refrigeration capacity of the refrigerant can be avoided.

In a preferred embodiment, the heat-insulating layer may be made of soft heat-insulating materials with good heat-insulating effects, such as foam and asbestos. The flexible pipes (the outlet pipeline 5 and the inlet pipeline 6) are not influenced to be stretched and stored by adopting the soft heat-insulating material.

In a preferred embodiment, the evaporator 4 is, for example, a total aluminum evaporator; the tray comprises a bottom plate 41 and a side wall 42 protruding upwards around the bottom plate 41, a space between the bottom plate 41 and the side wall 42 is an accommodating space 44, and the tray 3 is embedded in the accommodating space 44.

The bottom plate 41 is provided with a pipeline 9, the pipeline 9 is located in the accommodating space 44, and the pipeline 9 is attached to the bottom 31 of the tray 3.

In this embodiment, the pipe 9 is a reciprocating bent structure, the bottom plate 41 is provided with a groove 43, and the pipe 9 is embedded in the groove 43, wherein the shape of the reciprocating bent pipe 9 is adapted to the shape of the groove 43, such as a serpentine pipe and a serpentine groove.

As shown in fig. 2, the duct 9 is, for example, bent back and forth along the short side direction of the bottom plate 41, but not limited thereto. In other embodiments of the present invention, the pipeline may be bent back and forth along the long side direction of the bottom plate.

In the present embodiment, the intervals between the plurality of bent portions 93 bent back and forth in the pipeline 9 are equal, but not limited thereto. The utility model discloses an in other embodiments, the interval between the portion of bending of a plurality of reciprocal buckles is unequal in the pipeline, wherein, the interval between the adjacent portion of bending increases from the center orientation of bottom plate around in proper order for bottom plate central zone has minimum temperature, makes the operation that the user fried acidophilus milk, fried ice more convenient.

The duct 9 provided in the bottom plate 41 of the evaporator 4 is not limited to a structure that is bent back and forth. In other embodiments of the present invention, the pipeline is curved and extends, and may be curved and extend along the long side and/or the long side of the bottom plate, and may be curved and extend at equal intervals or curved and extend at unequal intervals; alternatively, the pipe may be bent into a plurality of concentric circles with equal or unequal spacing.

In addition, the line 9 includes a refrigerant inlet end 91 and a refrigerant outlet end 92, the refrigerant inlet end 91 communicating with one end of the inlet line 6; the refrigerant outlet end 92 communicates with one end of the outlet line 5. When the refrigerant evaporates and absorbs heat in the pipeline 9, the bottom 31 of the tray 3 attached to the pipeline 9 is rapidly cooled, and the functions of frying yoghourt and ice are realized by rapidly cooling the tray 3.

In this embodiment, the refrigerant inlet port 91 and the refrigerant outlet port 92 are disposed adjacent to each other and are located at the rear side of the bottom plate 31, and the rear side of the bottom plate 31 is close to the rear wall of the cabinet 1. Wherein, refrigerant inlet end 91 and refrigerant outlet end 92 set up in the rear side of bottom plate 31, and the pipeline 9 of being convenient for is connected with inlet pipeline 6 and outlet pipeline 5 on the back wall of box 1, avoids inlet pipeline 6 and outlet pipeline 5 overlength, occupies too much space and accomodates inconvenient problem.

The utility model discloses an among other embodiments, the refrigerant entry end can be close to the left end setting of the rear side of bottom plate, and the refrigerant exit end can be close to the right-hand member that sets up in the rear side of bottom plate. The temperature of the refrigerant outlet end is higher than that of the refrigerant inlet end, and when the refrigerant outlet end and the refrigerant inlet end are arranged at a certain distance, the refrigerant inlet end with lower temperature can be prevented from being influenced by the refrigerant outlet end with higher temperature, and the refrigerating effect of the evaporator on the tray is improved.

Of course, the evaporator 4 and the tray 3 may be made of aluminum-containing metal material, respectively, to accelerate the cooling of the tray 3 by the evaporator 4.

In other embodiments of the present invention, the tray 3 can be replaced by an ice bank 3 'shown in fig. 4, and placed on the evaporator 4 after the water is injected into the ice bank 3', so as to realize the function of rapid cooling. Preferably, the ice bank 3' is also made of a metal material containing aluminum.

It should be noted that the shape and style of the tray can be replaced according to the specific use requirements of the user, and are not limited to the tray 3 and the ice bank 3' shown in fig. 3 and 4.

In a preferred embodiment, the periphery of the tray 3 extends upwardly beyond a wall which serves to block the flow of liquid in the tray towards the gap between the tray 3 and the side wall 42 of the floor 41 of the evaporator 4.

In addition, the bottom of the tray 3 may be a flat surface or a concave surface with a slightly lower center.

As shown in fig. 5, the evaporator 400 is different from the evaporator 4 in that a bottom plate in the evaporator 400 includes an upper plate 401, a lower plate 402, and a cavity 403 between the upper plate 401 and the lower plate 402, and the duct 9 is disposed in the cavity 403.

The pipeline 9 may be arranged in a reciprocating curved manner or in a circular curved manner in the cavity 403, and the arrangement manner of the pipeline 9 in the evaporator 4 can be described with reference to the arrangement manner of the pipeline 9 in the above-mentioned embodiment, which is not described in detail herein.

The lower deck 402 also includes an outer wall around its perimeter that protrudes toward the upper deck 401 and is connected to the perimeter of the upper deck 401. Preferably, the upper end of the outer wall of the lower plate 402 is higher than the upper surface of the upper plate 401, so that the portion of the outer wall of the lower plate 402 higher than the upper plate 401 and the upper plate 401 define a receiving space, and the tray can be received in the receiving space.

In this embodiment, the lower plate 402, the outer wall of the lower plate 402 and the upper plate 401 together define a cavity 403, preferably, the cavity 403 is substantially a sealed cavity, wherein the sealed cavity has an opening near one side of the refrigerator body, so that the refrigerant outlet end and the refrigerant inlet end of the pipeline 9 can penetrate through the opening to be connected with the outlet pipeline 5 and the inlet pipeline 6 respectively.

In a preferred embodiment, the openings are provided on the outer wall of the lower plate 402, the number of the openings may be one or more, and when there is one opening, the shape of the opening may be elongated.

In addition, the upper plate 401 is close to the bottom of the tray 3, and is preferably made of a metal material with a high thermal conductivity, such as an aluminum-containing metal plate, which can rapidly conduct the cold in the refrigerant in the pipeline 9 to the tray 3, so as to achieve rapid refrigeration of the tray 3.

The lower plate 402, which is remote from the tray 3, is preferably made of a material with a low thermal conductivity, such as a plastic material, which prevents the cold in the refrigerant in the pipes 9 from diffusing through the lower plate 402 towards the outside environment, thereby reducing the cooling efficiency of the evaporator 400.

Since the pipe 9 is disposed in the cavity 403, a part of the cold in the refrigerant in the pipe 9 enters the cavity 403, and the cavity 403 can store the cold in the refrigerant to some extent by the heat insulation of the lower plate 402 with low thermal conductivity coefficient, so as to perform cold storage, thereby improving the refrigeration effect of the evaporator 400.

Evaporator 400 is applied to the ultra-low temperature room, and upper plate 401 laminates in the bottom of tray 3, and to a certain extent, upper plate 401 can protect pipeline 9 in evaporator 400, avoids changing the in-process of tray 3, damages pipeline 9, improves evaporator 400's life. In addition, the damage of the pipeline 9 and the low-temperature injury to users can be reduced.

In a preferred embodiment, the lower plate 402 has a plurality of holders protruding toward the upper plate 401, the plurality of holders having recesses into which the pipes 9 are engaged. Preferably, the fixing base supports the pipeline 9, and makes the pipeline 9 adhere to the lower surface of the upper plate 401, and the lower surface of the upper plate 401 faces the lower plate 402.

In addition, a plurality of holders may be disposed on the lower plate 402 as desired.

In a preferred embodiment, the upper plate 401 and the lower plate 402 are detachably connected, wherein the detachable connection is achieved by, for example, a screw lock, a snap structure, etc.

As shown in fig. 1, the ultra-low temperature evaporator further comprises slide rails 7, the slide rails 7 are disposed on the left and right sides of the evaporator 4, fixed rails of the slide rails 7 are fixed on two inner walls of the ultra-low temperature chamber 2 (the two inner walls of the ultra-low temperature chamber 2 are the left and right side walls of the box body 1), moving rails of the slide rails 7 are fixed on the left and right sides of the evaporator 4, wherein the moving rails slide along the fixed rails, and the evaporator 4 and the tray 3 are pulled out or pushed into the ultra-low temperature chamber 2 together.

In a preferred embodiment, the sliding track 7 can be a common track such as a three-section track.

In a preferred embodiment, sliding rails 7 are provided between the outer sides of the side walls 42 of the bottom plate 41 of the evaporator 4 and the two inner walls of the ultra-low-temperature chamber 2.

In other embodiments of the present invention, the bottom of the evaporator away from the tray may be provided with a support, and a slide rail is provided between two sides of the support and two inner walls of the ultra-low temperature chamber.

It should be noted that the pushing and pulling of the evaporator and the tray are not limited to the sliding rail, and in other embodiments of the present invention, the evaporator and the tray can be pushed and pulled in the sliding groove by the roller.

Specifically, rollers are provided on the side walls of the bottom plate of the evaporator, a sliding groove is provided on the inner wall of the ultra-low temperature chamber, the rollers are placed in the sliding groove, and the rollers slide back and forth in the sliding groove when the tray and the evaporator are pushed in or pulled out.

The sliding groove comprises an upper groove wall and a lower groove arm which are opposite, and the roller rolls back and forth on the lower groove arm. Preferably, the front end of the lower chute arm is inclined towards the upper chute wall and extends out of a platform, and when the tray and the evaporator are completely pulled out, the roller stops on the platform, so that the tray and the evaporator are kept stable and the operation of a user is facilitated.

The front end of the lower slot arm is the end close to the user.

In addition, the near side of the evaporator 4 close to the user is fixedly connected with the drawer door 8, and the evaporator 4 and the tray 3 can be pulled out or pushed in together by pulling out or pushing in the drawer door 8. Wherein, combine the nearly side of evaporimeter 4 with the drawer door body 8, only need open or close the drawer door body 8 and just can realize pulling out and pushing of evaporimeter 4 and tray 3, improved the convenience degree of using greatly.

In a preferred embodiment, the proximal edge of the bottom panel 41 of the evaporator 4 is secured to the drawer door 8.

In addition, considering that the ultra-low temperature chamber 2 in the cabinet 1 does not need to be opened all the time after the refrigerator 10 is started, and is opened only when needed by the user, the user can start or close the ultra-low temperature chamber 2 to work by other function keys such as the ultra-low temperature key on the function panel on the door body of the refrigerator 10, including but not limited to the physical key and the virtual key.

Such selective control of the opening and closing of the ultra-low temperature compartment 2, on the one hand, makes the refrigerator 10 more intelligent, and, on the other hand, contributes to energy saving and environmental protection of the refrigerator 10.

When a user selects to start the ultra-low temperature chamber 2 for refrigeration, the control main board in the refrigerator 10 switches the refrigerant to refrigerate the ultra-low temperature chamber 2 through the control electromagnetic valve, the refrigerant provided by the compressor enters the pipeline 9 in the evaporator 4 through the inlet pipeline 6, and the refrigerant in the pipeline 9 can directly and quickly cool the tray 3, so that the purpose of quick refrigeration is realized. Meanwhile, the ultra-low temperature chamber 2 is selectively started to work, and the purposes of energy conservation and environmental protection are also achieved.

The utility model discloses in, ultra-low temperature chamber 2 is the independent compartment of walk-in, freezer that is independent of refrigerator 10.

To sum up, the utility model provides a multifunctional refrigerator has increased the ultralow temperature chamber that has the function of fried ice, fried acidophilus milk, superposes the bottom of tray with the evaporimeter in the ultralow temperature chamber, and the control evaporimeter is direct to the tray refrigeration, realizes quick refrigeration, consequently can fry purposes such as acidophilus milk, quick ice-making on the tray.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. A multifunctional refrigerator comprises a box body and is characterized in that,

the box body comprises an ultra-low temperature chamber, wherein a tray and an evaporator positioned at the bottom of the tray are arranged in the ultra-low temperature chamber; wherein the tray and the evaporator are configured to be drawn out and pushed in together from the ultra-low-temperature chamber.

2. The multi-functional refrigerator according to claim 1, wherein said evaporator is communicated with a compressor and a capillary tube through a set of flexible tubes, and when said tray and said evaporator are collectively pulled out from said ultra-low-temperature compartment, said set of flexible tubes are collectively pulled out; when the tray and the evaporator are pushed into the ultra-low temperature chamber together, the group of flexible pipes returns to the box body.

3. The multifunctional refrigerator according to claim 2, wherein the evaporator includes a bottom plate and a sidewall surrounding the bottom plate, the bottom plate and the sidewall defining an accommodating space, the tray being embedded in the accommodating space.

4. The multifunctional refrigerator according to claim 3, wherein said evaporator includes a pipe in said accommodating space, and said pipe is attached to a bottom of said tray.

5. The multifunctional refrigerator according to claim 4, wherein a groove is provided on the bottom plate, and the pipeline is embedded in the groove.

6. The multifunctional refrigerator according to claim 4, wherein said set of flexible tubes includes an inlet duct communicating with an inlet end of said duct and an outlet duct communicating with an outlet end of said duct.

7. The multi-functional refrigerator according to claim 2, wherein the evaporator includes upper and lower plates disposed opposite to each other with a cavity therebetween, wherein the tray is placed above the upper plate.

8. The multi-functional refrigerator according to claim 7, wherein the lower panel includes an outer wall around a periphery thereof, the outer wall protruding toward the upper panel and being connected to a periphery of the upper panel.

9. The multifunctional refrigerator according to claim 8, wherein the upper end of the outer wall is higher than the upper surface of the upper panel.

10. The multifunctional refrigerator according to claim 7, wherein said evaporator further includes a pipe disposed in said cavity.

11. The multi-functional refrigerator according to claim 10, wherein said lower plate protrudes toward said upper plate a plurality of fixing seats having a recess in which said duct is engaged.

12. The multi-functional refrigerator according to claim 10, wherein the duct is attached to a lower surface of the upper panel, the lower surface of the upper panel facing the lower panel.

13. The multifunctional refrigerator according to claim 1, further comprising a slide rail, a fixed rail of which is fixed in the ultra-low-temperature compartment, and a movable rail of which is fixed to the evaporator, wherein the movable rail slides along the fixed rail so that the evaporator and the tray are arranged to be drawn out and pushed in together from the ultra-low-temperature compartment.

14. The multifunctional refrigerator according to claim 1, wherein a drawer door is fixed to a proximal side of the evaporator, and when the drawer door is pulled out or pushed in, the evaporator and the tray are pulled out or pushed in together.