CN214665473U - Air-cooled refrigerator refrigeration module and refrigerator thereof - Google Patents

Abstract

The utility model discloses an air-cooled refrigerator refrigeration module and refrigerator thereof relates to refrigeration technology field. The utility model comprises a freezing chamber, a refrigerating chamber and a refrigeration module shell; the refrigeration module is applied to a refrigerator, and the refrigerator comprises a refrigerator body; a refrigeration module shell is fixed at the top of the freezing chamber; an evaporator is fixedly arranged in the refrigeration module shell; the top and the bottom of the evaporator are both fixed with heaters A; the top of the evaporator is fixed with sealed heat-insulating foam; the bottom of the evaporator is fixed with heat insulation foam; the lowest part of the refrigeration module shell is provided with a defrosting water tank, and the defrosting water tank is provided with a heater B; the evaporator is provided with a freezing chamber air return port and a refrigerating chamber air return port; the other end of the evaporator is provided with a fan, an electric air door is arranged in the air-conditioning channel A, and the air-conditioning channel B is provided with an air-conditioning air outlet. The utility model discloses a refrigeration module's effect has and reduces the refrigerator energy consumption, increases the refrigerator plot ratio, improves and changes white energy utilization and rate, improves the advantage of eating the fresh-keeping effect of material.

Description

Air-cooled refrigerator refrigeration module and refrigerator thereof

Technical Field

The utility model belongs to the technical field of the refrigeration technology, especially, relate to an air-cooled refrigerator refrigeration module and refrigerator thereof.

Background

The cooling mode of the refrigerator compartment may be classified into a direct cooling mode and an air cooling mode. The air cooling mode is to enclose the evaporator in a space with an opening, and to bring the cold energy generated by the evaporator into the storage space inside the compartment by means of forced air convection circulation of a fan.

The fin evaporator of the air-cooled refrigerator is usually placed on the back of a storage compartment, the temperature of the fin evaporator is lower than the temperature of air in the compartment, so that the temperature difference between the inside and the outside of the refrigerator is increased, and the heat load of the refrigerator is increased. Due to the structural limitation, the rear space of the storage chamber is pulled up and down to be used for placing the fin evaporator, the fan and the air duct, so that the available volume of the refrigerator is wasted, and the higher the chamber is, the more obvious the volume rate is reduced. Generally, a fin evaporator adopts a steel pipe heater for defrosting, heat is mainly concentrated at the bottom of the evaporator, heat and energy waste is easily caused, the temperature of indoor air rises quickly in the middle of the defrosting process, and temperature fluctuation is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an air-cooled refrigerator refrigeration module and refrigerator thereof, through the design of the overhead type refrigeration module, the foaming layer between the refrigerating chamber and the freezing chamber and the refrigerating chamber generate heat exchange, the freezing heat load is increased, the refrigerating heat load is correspondingly reduced, the total heat load of the box body is kept unchanged, and the advantage of reducing the energy consumption of the refrigerator is achieved; the height of the freezing chamber of the refrigerator is usually larger than the depth of the freezing chamber, and the fin evaporator is transferred from the vertical placement of the back to the horizontal placement of the top, so that the refrigerator has the advantages of reducing volume waste and increasing the volume rate of the refrigerator; the heater design through being used for the defrosting is the aluminum pipe heater, can adjust the heater layout mode wantonly according to the defrosting demand, improves the energy utilization rate that defrosts, reduces the temperature rise that defrosts, reduces the temperature fluctuation that defrosts, improves and eats the fresh-keeping effect of material.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an air-cooled refrigerator refrigeration module and a refrigerator thereof, wherein the refrigeration module comprises a freezing chamber A, a freezing chamber B, a cold storage chamber, a refrigeration module shell, an air conditioning channel A and an air conditioning channel B; the tops of the freezing chamber A and the freezing chamber B are fixedly provided with refrigeration module shells; an evaporator is fixedly arranged in the refrigeration module shell; the top and the bottom of the evaporator are both provided with heaters A; sealing heat-preservation foam is fixed between the top of the evaporator and a foaming layer of the box body; heat insulation foam is arranged between the bottom of the evaporator and the inner wall of the refrigeration module shell; the lowest part of the refrigeration module shell is provided with a defrosting water tank, and the defrosting water tank is provided with a heater B; one end of the evaporator, which is close to the door body, is provided with a freezing chamber A air return opening, a freezing chamber B air return opening and a refrigerating chamber air return opening; the other end of the evaporator is provided with a fan, the fan supplies air to the refrigerating chamber through a cold air channel A in an upward air outlet area, the cold air channel A is provided with a cold chamber air outlet, and an electric air door is arranged in the cold air channel A; the fan supplies air to the freezing chamber A and the freezing chamber B through a cold air channel B in a downward air outlet area, and the cold air channel B is provided with an air outlet of the freezing chamber A and an air outlet of the freezing chamber B respectively.

Furthermore, the two heaters A are respectively positioned between the bottom of the evaporator and the heat insulation foam and between the top of the evaporator and a refrigerating chamber return air opening on the refrigerating chamber.

Further, the heater A at the bottom of the evaporator adopts a vertical layout which is beneficial to the smooth discharge of defrosting water.

Further, an aluminum plate is disposed between the heater a and the heat insulating foam.

Further, the inclination angle between the evaporator and the horizontal plane is 0-20 degrees.

Further, the sealing and heat-insulating foam can also adopt an integral foaming structure.

Furthermore, the air return opening of the freezing chamber A and the air return opening of the freezing chamber B are communicated with the air return opening of the refrigerating chamber.

The utility model discloses an air-cooled refrigerator refrigeration module and refrigerator thereof, in the refrigeration process, the refrigerant is in the evaporimeter heat absorption evaporation, makes the evaporimeter surface temperature reduce, the fan work, the cold air cooled by the evaporimeter gets into in the cold-storage room through air conditioning passageway and air conditioning air outlet, stores up food in the cooler bin, and the cold air is heated, and the temperature rises, gets into refrigeration module through cold-storage room return air inlet again; when the refrigerating chamber needs to be refrigerated, the electric air door is opened, otherwise, the electric air door is closed, and air circulation of the refrigerating chamber is prevented; the fan supplies air to the freezing chamber A and the freezing chamber B through a cold air channel B in a downward air outlet area, and the cold air channel B is respectively provided with an air outlet of the freezing chamber A and an air outlet of the freezing chamber B. In the refrigeration process, a refrigerant is absorbed and evaporated in the evaporator to reduce the surface temperature of the evaporator, the fan works, cold air cooled by the evaporator enters the refrigerating chamber through the cold air channel and the cold air outlet, food is stored in the cooling box, the cold air is heated, the temperature is increased, and the cold air enters the refrigeration module through the refrigerating chamber return air inlet again; and the freezing compartment air return opening is communicated with the refrigerating compartment air return opening.

The utility model discloses following beneficial effect has:

1. the utility model discloses a design of overhead type refrigeration module for foaming layer and walk-in between walk-in and the freezer produce the heat exchange, and freezing heat load increases, and cold-stored heat load is corresponding to be reduced, keeps the total heat load of box unchangeable, reaches the advantage that reduces the refrigerator energy consumption.

2. The utility model discloses a refrigerator freezing compartment height is greater than its degree of depth usually, and the fin evaporator shifts to the top level by the vertical placing of back and places, has the advantage that reduces the volume extravagant, increases the refrigerator volume rate.

3. The utility model discloses a heater design for defrosting is the aluminum pipe heater, can adjust heater layout mode wantonly according to the defrosting demand, improves and changes white energy utilization, reduces and changes the white temperature rise, reduces to change the white temperature fluctuation, improves and eats the material fresh-keeping effect.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 1 is a front view of the refrigeration module of the air-cooled refrigerator and the refrigerator thereof;

fig. 2 is a structural side view of the cooling module of the air-cooled refrigerator and the refrigerator thereof of the present invention;

FIG. 3 is a schematic view of a portion of the structure of the refrigeration module and the refrigerator;

in the drawings, the components represented by the respective reference numerals are listed below:

1-freezing compartment A, 2-freezing compartment B, 3-refrigerating compartment, 4-refrigeration module shell, 5-fan, 101-freezing compartment A air outlet, 102-freezing compartment A air return inlet, 103-cold air channel B, 201-freezing compartment B air outlet, 202-freezing compartment B air return inlet, 301-refrigerating compartment air outlet, 302-refrigerating compartment air return inlet, 303-cold air channel A, 304-electric air door, 401-heat insulation foam, 402-aluminum plate, 403-heater A, 404-sealed heat preservation foam, 405-evaporator, 406-heater B, 407-defrosting water tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention relates to a refrigeration module of an air-cooled refrigerator and a refrigerator thereof, wherein the refrigeration module comprises a freezing chamber a1, a freezing chamber B2, a refrigerating chamber 3, a refrigeration module housing 4, a cold air channel a303 and a cold air channel B103; the refrigeration module is applied to a refrigerator, and the refrigerator comprises a refrigerator body; the refrigeration module shell 4 is arranged on the tops of the freezing chamber A1 and the freezing chamber B2; an evaporator 405 is installed inside the refrigeration module housing 4; one end of the evaporator 405 close to the door body is fixedly provided with a freezing chamber A102 air return opening, a freezing chamber B air return opening 202 and a refrigerating chamber air return opening 302 respectively; the other end of the evaporator 405 is fixedly provided with a fan 5, and the fan 5 supplies air to the refrigerating compartment 3 through a cold air channel A303 in an upward air outlet area; the cold air passage a303 is provided with a cold air outlet 301. An electric air door 304 is arranged in the cold air channel A303, when the refrigerating chamber 3 needs to refrigerate, the electric air door 304 is opened, otherwise, the electric air door is closed, and air circulation of the refrigerating chamber 3 is prevented; the fan 5 blows air to the freezing compartment a1 and the freezing compartment B2 through the cold air passage B103 in the downward air-out area, and the cold air passage B103 is provided with a freezing compartment a air outlet 101 and a freezing compartment B air outlet 201.

In the refrigeration process, the refrigerant is absorbed and evaporated in the evaporator 405, so that the surface temperature of the evaporator 405 is reduced, the fan 5 works, the cold air part cooled by the evaporator 405 enters the refrigerating chamber 3 through the cold air channel A303 and the cold air outlet 301, the food is stored in the cooling box, the cold air is heated, the temperature is increased, and the cold air enters the refrigeration module through the refrigerating chamber return air inlet 302 again. The other part of cold air enters the freezing chamber A and the air outlet of the freezing chamber B through the cold air channel B and the air outlet 101 of the freezing chamber A and enters the freezing chamber B, the food is stored in the cooling box, the cold air is heated, the temperature rises, and the cold air enters the refrigeration module through the air return opening 102 of the freezing chamber A and the air return opening 202 of the freezing chamber B again. The air return opening 102 of the freezing compartment A and the air return opening 202 of the freezing compartment B are communicated with the air return opening 302 of the refrigerating compartment.

Referring to fig. 3, a sealing heat-insulating foam 404 is arranged between the upper part of the evaporator 405 and the foaming layer of the box body, and fills a gap between the evaporator 405 and the foaming layer of the box body, so that the phenomenon that air flows through the gap to reduce heat exchange between the air and the evaporator 405 is avoided, the upper part of the evaporator 405 and the foaming layer of the box body can be foamed integrally, the sealing heat-insulating foam 404 can be eliminated, and the heat-insulating performance can be enhanced. The lower part of the evaporator 405 and the inner wall of the refrigeration module shell 4 are provided with heat insulation foam 401, so that heat transfer to the interior of the refrigerator in the defrosting process is reduced, heat and energy waste is caused, and temperature rise of the room after defrosting is reduced. The heaters A403 are arranged between the lower portion of the evaporator 405 and the heat insulation foam 401 and on the side, close to the air return opening 302 of the refrigerating chamber, of the upper portion of the evaporator 405, the heaters A403 are vertically arranged, the pipeline direction of the heaters A403 is consistent with the water drainage direction, and therefore defrosting water can be smoothly drained, the side, close to the door body, of the evaporator 405 is the air return intersection of the air return opening 102 of the refrigerating chamber A, the air return opening 202 of the refrigerating chamber B and the air return opening 302 of the refrigerating chamber, the frosting amount is large, uniform defrosting is achieved, defrosting reliability is improved, defrosting energy consumption is reduced, and the heaters A403 are arranged on the side, close to the air return opening, of the upper portion of the evaporator 405.

In order to avoid water from penetrating into the insulating foam 401 and the heater from making the insulating foam 401 too hot, an aluminum plate 402 is provided between the heater a403 and the insulating foam 401.

During defrosting, the compressor stops operating, the refrigerant cycle stops, the fan 10 stops operating, and the cooling air cycle stops. The heater a403 is operated to heat the evaporator 405 and the surrounding area to a temperature higher than 0 ℃, the ice is melted into water, the defrosting water tank 407 is provided at the lowest position of the cooling module case 4, and the defrosting water is collected and discharged. In order to prevent the defrosting water from being frozen into ice again during the flowing and discharging process, the defrosting water tank 407 is provided with a heater B406 and operates in synchronization with the heater a403, and the direction of the pipe of the heater B406 is kept in line with the direction of the water discharge. In order to ensure the defrosting water to be smoothly discharged, the inclination angle between the evaporator 405 and the horizontal plane is 0-20 degrees.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. The utility model provides an air-cooled refrigerator refrigeration module and refrigerator thereof, the refrigerator includes freezing room A (1), freezing room B (2), cold-stored room (3), its characterized in that:

a refrigeration module shell (4) is fixedly arranged at the tops of the freezing chamber A (1) and the freezing chamber B (2); an evaporator (405) is fixedly arranged in the refrigeration module shell (4); the top and the bottom of the evaporator (405) are provided with a heater A (403);

a sealing heat-preservation foam (404) is fixed between the top of the evaporator (405) and a box body foaming layer; heat insulation foam (401) is arranged between the bottom of the evaporator (405) and the inner wall of the refrigeration module shell (4);

a defrosting water tank (407) is arranged at the lowest part of the refrigeration module shell (4), and a heater B (406) is arranged in the defrosting water tank (407);

one end of the evaporator (405) close to the door body is provided with a freezing chamber A air return opening (102), a freezing chamber B air return opening (202) and a refrigerating chamber air return opening (302); a fan (5) is arranged at the other end of the evaporator (405), the fan (5) supplies air to the refrigerating chamber (3) through a cold air channel A (303) in an upward air outlet area, the cold air channel A (303) is provided with a refrigerating chamber air outlet (301), and an electric air door (304) is arranged in the cold air channel A (303); the fan (5) is in the downward air outlet area and supplies air to the freezing chamber A (1) and the freezing chamber B (2) through a cold air channel B (103), and the cold air channel B (103) is provided with a freezing chamber A air outlet (101) and a freezing chamber B air outlet (201) respectively.

2. The air-cooled refrigerator and the refrigeration module thereof as claimed in claim 1, wherein the heater A (403) is respectively located between the bottom of the evaporator (405) and the heat insulation foam (401), and between the top of the evaporator (405) and the air return opening (302) of the refrigerating chamber.

3. The air-cooled refrigerator and the refrigeration module thereof as claimed in claim 2, wherein the heater A (403) at the bottom of the evaporator (405) is arranged vertically to facilitate the smooth drainage of the defrosted water.

4. The air-cooled refrigerator refrigeration module and the refrigerator thereof as claimed in claim 3, wherein an aluminum plate (402) is arranged between the heater A (403) and the heat insulation foam (401).

5. The air-cooled refrigerator refrigeration module and the refrigerator thereof according to claim 1, wherein the inclination angle between the evaporator (405) and the horizontal plane is 0-20 °.

6. The air-cooled refrigerator and the refrigeration module thereof as claimed in claim 1, wherein the sealing and heat insulating foam (404) is of an integral foaming structure.

7. The air-cooled refrigerator refrigeration module and the refrigerator thereof as claimed in claim 1, wherein the air return opening (102) of the freezing chamber A and the air return opening (202) of the freezing chamber B are communicated with the air return opening (302) of the refrigerating chamber.

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