CN221122715U - Refrigerating apparatus - Google Patents

Abstract

The utility model provides a refrigeration device. The refrigerating equipment comprises a box body, a freezing chamber, a temperature changing chamber and an evaporator chamber are formed in the box body, the freezing chamber and the temperature changing chamber are arranged in parallel along the width direction of the box body, the evaporator chamber is arranged at the rear side of the freezing chamber, the evaporator chamber and the rear part of the temperature changing chamber are arranged in parallel along the width direction of the box body, the refrigerating equipment comprises an air cooling system, the air cooling system comprises an evaporator and a temperature changing chamber return air duct, the evaporator is arranged in the evaporator chamber, an air inlet of the temperature changing chamber return air duct is arranged in the temperature changing chamber, an air outlet of the temperature changing chamber return air duct is arranged in the evaporator chamber, and the air inlet of the temperature changing chamber return air duct is higher than the air outlet of the temperature changing chamber return air duct. By the arrangement, condensation at the air port of the temperature changing chamber for air return can be avoided while the cooling structure of the refrigeration equipment can be simplified.

Description

Refrigerating apparatus

Technical Field

The utility model relates to the field of household appliances, in particular to refrigeration equipment.

Background

Refrigerators generally include two compartments, a freezing compartment and a refrigerating compartment. The temperature of the refrigerating chamber of the common refrigerator is 4 ℃ and the temperature of the freezing chamber is-18 ℃, and the refrigerator can meet the preservation requirement of most food materials, but is not suitable for food materials requiring special storage temperature. In addition, the storage spaces of both the refrigerating chamber and the freezing chamber are fixed, and when the user needs to refrigerate or freeze more foods, there may be a case where the refrigerated storage space or the frozen storage space is insufficient. In order to solve the problems, the prior art designs are to arrange a temperature changing chamber in the refrigerator, and the temperature during temperature changing can be adjusted, so that the refrigerator can be used for refrigerating and freezing. But this design suffers from the following drawbacks: the cooling structure of the refrigerator is complicated.

Disclosure of utility model

The utility model aims to provide refrigeration equipment, which is characterized in that a freezing chamber and a temperature changing chamber are arranged in parallel, a temperature changing chamber return air duct is arranged between an evaporator chamber and the temperature changing chamber at the rear side of the freezing chamber, and the height of an air inlet of the temperature changing chamber return air duct is higher than that of an air outlet, so that the cooling structure of the refrigeration equipment can be simplified, and condensation at the air inlet of the temperature changing chamber for return air can be avoided.

In order to achieve the above object, an embodiment of the present utility model provides a refrigeration apparatus, including a box, in which a freezing chamber, a temperature changing chamber and an evaporator chamber are formed, wherein the freezing chamber and the temperature changing chamber are arranged in parallel along a width direction of the box, the evaporator chamber is arranged at a rear side of the freezing chamber, the evaporator chamber and a rear portion of the temperature changing chamber are arranged in parallel along the width direction of the box, the refrigeration apparatus includes an air cooling system, the air cooling system includes an evaporator and a temperature changing chamber return air duct, the evaporator is arranged in the evaporator chamber, an air inlet of the temperature changing chamber return air duct is arranged in the temperature changing chamber, an air outlet of the temperature changing chamber return air duct is arranged in the evaporator chamber, and an air inlet height of the temperature changing chamber return air duct is higher than an air outlet height of the temperature changing chamber return air duct.

As a further improvement of an embodiment of the utility model, the air inlet of the temperature-changing chamber return air duct comprises a plurality of air inlet openings, the air inlet openings are longitudinally arranged in a row, and the height of the air inlet opening at the bottommost end is not lower than the highest height of the air outlet of the temperature-changing chamber return air duct.

As a further improvement of an embodiment of the present utility model, an air inlet of the temperature change chamber return air duct is disposed on the side wall of the freezing chamber of the temperature change chamber, and the air inlet of the temperature change chamber return air duct is disposed near the rear wall of the temperature change chamber.

As a further improvement of an embodiment of the present utility model, a drawer is disposed in the temperature changing chamber, a slide rail extending transversely along the depth direction of the temperature changing chamber is formed on the side wall of the freezing chamber side of the temperature changing chamber, the slide rail is used for sliding limiting of the drawer, and the rear end of the slide rail is close to the air inlet and is disposed at the front side of the air inlet.

As a further improvement of an embodiment of the present utility model, an air outlet of the temperature change chamber return air duct is disposed on the side wall of the temperature change chamber of the evaporator chamber, and the air outlet of the temperature change chamber return air duct is disposed near the bottom wall and the rear wall of the evaporator chamber.

As a further improvement of an embodiment of the present utility model, the case includes a housing, and a first liner and a second liner disposed in the housing, where the first liner and the second liner are disposed in parallel and spaced apart along a width direction of the case, the first liner is formed with the freezing chamber and the evaporator chamber, the second liner forms the temperature changing chamber, a side wall of the second liner of the first liner forms an air outlet of the temperature changing chamber return air duct, and a side wall of the first liner of the second liner forms an air inlet of the temperature changing chamber return air duct.

As a further improvement of an embodiment of the present utility model, the air cooling system includes a temperature change chamber return air duct foam disposed between the first liner and the second liner, a first opening opposite to an air outlet of the temperature change chamber return air duct is formed on a side of the first liner of the temperature change chamber return air duct foam, a second opening opposite to an air inlet of the temperature change chamber return air duct is formed on a side of the second liner of the temperature change chamber return air duct foam, an air duct is formed between the first opening and the second opening, and a foamed thermal insulation material is filled around the temperature change chamber return air duct foam.

As a further improvement of an embodiment of the utility model, a fixing groove is formed on the first liner side and/or the second liner side of the temperature changing chamber return air duct foam, and protruding ribs matched with the fixing groove are arranged on the first liner and/or the second liner.

As a further improvement of an embodiment of the present utility model, the case further includes a third liner disposed in the outer case, the third liner being disposed above the first liner and the second liner, and the third liner being formed with a refrigerating chamber.

As a further improvement of an embodiment of the present utility model, the air cooling system further includes a temperature changing chamber air inlet duct, the side wall of the second liner side of the first liner forms an air inlet of the temperature changing chamber air inlet duct, the side wall of the first liner side of the second liner forms an air outlet of the temperature changing chamber air inlet duct, and the air inlet of the temperature changing chamber air inlet duct is opposite to the air outlet of the temperature changing chamber air return duct.

Compared with the prior art, the utility model has the beneficial effects that the freezing chamber and the temperature changing chamber are arranged in parallel, the temperature changing chamber return air duct is arranged between the evaporator chamber and the temperature changing chamber at the rear side of the freezing chamber, and the air inlet height of the temperature changing chamber return air duct is higher than the air outlet height, and the utility model has the following advantages: the cooling structure of the refrigeration equipment can be simplified, and condensation at the air inlet of the temperature changing chamber for air return is avoided.

Drawings

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

Fig. 1 is a schematic view of a refrigerator according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the front sides of a first liner and a second liner of the refrigerator shown in FIG. 1;

FIG. 3 is a schematic view of the rear side of the first and second liners of FIG. 2;

FIG. 4 is a schematic view of the first and second liners of FIG. 3 from another rear side and view

FIG. 5 is an assembled view of the first and second liners and the temperature change chamber return air duct foam of FIG. 4;

FIG. 6 is a schematic view of the structure of the foam of the return air duct of the temperature change chamber shown in FIG. 5;

fig. 7 is a schematic view of another view of the temperature change chamber return air duct foam of fig. 6.

Detailed Description

The present utility model 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 utility model, and structural, methodological, or functional modifications thereof by one of ordinary skill in the art are included within the scope of the present utility model.

The refrigeration equipment of the utility model can be a refrigerator, a freezer or a commercial showcase and the like. The following describes specific embodiments of the present utility model by taking a refrigerator as an example.

Referring to fig. 1 and 2, a refrigerator 100 includes a cabinet 1, and a freezing chamber 13, a temperature varying chamber 18, and an evaporator chamber 14 are formed in the cabinet 1. Wherein the freezing chamber 13 and the temperature changing chamber 18 are juxtaposed in the width direction of the casing 1. An evaporator chamber 14 is provided at the rear side of the freezing chamber 13. The evaporator chamber 14 is juxtaposed with the rear portion of the temperature changing chamber 18 in the width direction of the case 1.

Referring to fig. 3 and 4, the refrigerator 100 includes an air cooling system. The air cooling system comprises an evaporator and a temperature changing chamber return air duct. The evaporator is disposed within the evaporator chamber 14. An air inlet 31 of the temperature changing chamber return air duct is arranged in the temperature changing chamber 18, and an air outlet 32 of the temperature changing chamber return air duct is arranged in the evaporator chamber 14.

The height of the air inlet 31 of the temperature-changing chamber return air duct is higher than the height of the air outlet 32 of the temperature-changing chamber return air duct. Because the cold air needs to climb from low to high to generate the cold air backflow phenomenon, the phenomenon is difficult to generate under the condition of no external force driving, and therefore, the height difference can effectively prevent the cold air backflow from generating, and effectively avoid the cold air in the evaporator chamber 14 from flowing to the temperature changing chamber 18 through the temperature changing chamber return air duct, thereby avoiding the condensation generated at the air port of the temperature changing chamber 18 for returning air.

Referring to fig. 3, in the present embodiment, the air inlet 31 of the temperature-changing chamber return air duct includes a plurality of air inlet openings 311, the air inlet openings 311 are longitudinally aligned, and the height of the air inlet opening 311 at the bottommost end is not lower than the highest height of the air outlet 32 of the temperature-changing chamber return air duct.

Referring to fig. 2, in the present embodiment, a drawer 5 is disposed in the temperature changing chamber 18, a slide rail 51 extending transversely along the depth direction of the temperature changing chamber 18 is formed on the side wall of the freezing chamber 13 side of the temperature changing chamber 18, the slide rail 51 is used for sliding and limiting the drawer 5, and the rear end of the slide rail 51 is close to the air inlet 31 of the temperature changing chamber return air duct and is disposed at the front side of the air inlet 31 of the temperature changing chamber return air duct.

The air inlet opening 311 of the return air duct of the temperature changing chamber is heightened and narrowed, so that the space occupation of the air inlet to the depth direction of the temperature changing chamber 18 can be reduced, the length of the slideway 51 of the drawer 5 can be longer, and the length and the travel of the drawer 5 are increased.

Referring to fig. 3, in the present embodiment, the air inlet 31 of the temperature changing chamber return air duct is provided on the side wall of the freezing chamber 13 side of the temperature changing chamber 18, and the air inlet 31 of the temperature changing chamber return air duct is provided near the rear wall of the temperature changing chamber 18. By the arrangement, the air inlet 31 of the return air duct of the temperature changing chamber is closer to the evaporator chamber 14, and the length of the return air duct of the temperature changing chamber is reduced.

Referring to fig. 4, in the present embodiment, the air outlet 32 of the temperature change chamber return air duct is provided in the side wall of the evaporator chamber 14 on the temperature change chamber 18 side. The outlet 32 of the temperature change chamber return air duct is positioned adjacent the bottom wall and the rear wall of the evaporator chamber 14. By the arrangement, the air outlet 32 of the return air duct of the temperature changing chamber is closer to the temperature changing chamber 18, and the length of the return air duct of the temperature changing chamber is less.

Referring to fig. 2 to 4, in the present embodiment, the casing 1 includes a housing 11, and a first liner 12 and a second liner 16 disposed in the housing 11, the first liner 12 and the second liner 16 are disposed in parallel and spaced apart along a width direction of the casing 1, the first liner 12 is formed with a freezing chamber 13 and an evaporator chamber 14, the second liner 16 is formed with a temperature changing chamber 18, a side wall of the second liner 16 of the first liner 12 is formed with an air outlet 32 of a temperature changing chamber return air duct, and a side wall of the first liner 12 of the second liner 16 is formed with an air inlet 31 of the temperature changing chamber return air duct.

Referring to fig. 5 to 7, in the present embodiment, the air cooling system includes a temperature change chamber return air duct foam 6 disposed between a first liner 12 and a second liner 16, a first opening 61 opposite to an air outlet 32 of the temperature change chamber return air duct is formed on a first liner 12 side of the temperature change chamber return air duct foam 6, a second opening 62 opposite to an air inlet 31 of the temperature change chamber return air duct is formed on a second liner 16 side of the temperature change chamber return air duct foam 6, an air duct is formed between the first opening 61 and the second opening 62, and a foam insulation material is filled around the temperature change chamber return air duct foam 6.

Referring to fig. 1, in the present embodiment, the case 1 further includes a third liner 15 disposed in the housing 11, the third liner 15 is disposed above the first liner 12 and the second liner 16, and the third liner 15 is formed with a refrigerating chamber 17. Foaming heat preservation materials are filled among the first liner 12, the second liner 16 and the third liner 15.

Through filling foaming insulation material, can avoid the temperature transmission between each room, use foam molding alternating temperature room return air duct to through the fixed alternating temperature room return air duct foam 6 of foaming insulation material, can be convenient for the production and the assembly in alternating temperature room return air duct, reduce cost, simple structure.

Referring to fig. 4, 6 and 7, in the present embodiment, a fixing groove 63 is formed on the side of the first inner container 12 and/or the side of the second inner container 16 of the temperature change chamber return air duct foam 6, and the first inner container 12 and/or the second inner container 16 are provided with ribs 33 that cooperate with the fixing groove 63. By the arrangement, the accuracy of the installation position of the temperature-changing chamber return air duct foam 6 can be guaranteed, and the temperature-changing chamber return air duct foam 6 is matched with the first liner 12 and the second liner 16.

Referring to fig. 3 and 4, in the present embodiment, the air cooling system further includes a temperature changing chamber air inlet duct, an air inlet 42 of the temperature changing chamber air inlet duct is formed on a side wall of the second liner 16 of the first liner 12, an air outlet 41 of the temperature changing chamber air inlet duct is formed on a side wall of the first liner 12 of the second liner 16, and the air inlet 42 of the temperature changing chamber air inlet duct is opposite to the air outlet 41 of the temperature changing chamber air inlet duct. By the arrangement, the evaporator chamber 14 can supply cold to the temperature changing chamber 18, the length of the air inlet duct of the temperature changing chamber is reduced, and the structure of the air inlet duct of the temperature changing chamber is simplified.

Referring to fig. 2, an air duct cover plate 2 is provided at the rear of the first liner 12, a freezing chamber 13 is formed at the front side of the air duct cover plate 2, and an evaporator chamber 14 is formed at the rear side of the air duct cover plate 2. A fan may be disposed in the evaporator chamber 14, a freezing chamber air outlet 21 is formed at the upper part of the air duct cover plate 2, and a freezing chamber air return opening is formed at the lower part of the air duct cover plate 2, so that the evaporator chamber 14 supplies cold to the freezing chamber 13. A refrigerating chamber air inlet duct and a refrigerating chamber air return duct are also formed between the upper end of the evaporator chamber 14 and the refrigerating chamber 17, thereby realizing the cooling of the evaporator chamber 14 to the refrigerating chamber 17. By the arrangement, one evaporator chamber 14 can supply cold to three compartments, the cold supply structure of the refrigerator 100 is simplified, the lengths of an air inlet duct and an air return duct of an air cooling system of the refrigerator 100 are shortened, and the space occupation of the refrigerator 100 by the air cooling system is reduced.

In conclusion, the refrigeration equipment can solve the problem that the refrigeration structure of the refrigeration equipment is complex. By adopting the technical scheme of the utility model, the condensation at the air port of the temperature changing chamber 18 for returning air can be avoided while simplifying the cooling structure of the refrigeration equipment, the lengths of the air inlet duct and the air return duct of the air cooling system of the refrigeration equipment are shortened, the stroke of the drawer 5 is increased, and the space occupation of the air cooling system to the refrigeration equipment is reduced.

It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. The refrigerating equipment comprises a box body, wherein a freezing chamber, a temperature changing chamber and an evaporator chamber are formed in the box body, the refrigerating equipment is characterized in that the freezing chamber and the temperature changing chamber are arranged in parallel along the width direction of the box body, the evaporator chamber is arranged at the rear side of the freezing chamber, the evaporator chamber and the rear part of the temperature changing chamber are arranged in parallel along the width direction of the box body, the refrigerating equipment comprises an air cooling system, the air cooling system comprises an evaporator and a temperature changing chamber return air duct, the evaporator is arranged in the evaporator chamber, an air inlet of the temperature changing chamber return air duct is arranged in the temperature changing chamber, an air outlet of the temperature changing chamber return air duct is arranged in the evaporator chamber, and the air inlet height of the temperature changing chamber return air duct is higher than the air outlet height of the temperature changing chamber return air duct.

2. The refrigeration apparatus of claim 1 wherein the air inlet of said temperature change compartment return air duct includes a plurality of air inlet openings, said air inlet openings being longitudinally aligned, the height of the air inlet opening at the lowermost end being no less than the highest height of the air outlet of said temperature change compartment return air duct.

3. The refrigeration apparatus according to claim 2 wherein an air inlet of said temperature change chamber return air duct is provided in said freezer compartment side wall of said temperature change chamber and an air inlet of said temperature change chamber return air duct is provided adjacent said temperature change chamber rear wall.

4. The refrigeration apparatus as recited in claim 3 wherein a drawer is disposed in said temperature changing chamber, a slide extending transversely in a depth direction of said temperature changing chamber is formed on a side wall of said freezing chamber side of said temperature changing chamber, said slide is used for sliding limiting of said drawer, and a rear end of said slide is disposed adjacent to said air inlet and in front of said air inlet.

5. A refrigeration apparatus according to claim 3 wherein the outlet of said temperature change chamber return air duct is provided in said temperature change chamber side wall of said evaporator chamber, and the outlet of said temperature change chamber return air duct is provided adjacent to the bottom and rear walls of said evaporator chamber.

6. The refrigeration apparatus according to claim 1, wherein said cabinet includes a housing and first and second liners disposed in said housing, said first and second liners being disposed in spaced relation in a widthwise direction of said cabinet, said first liner being formed with said freezer compartment and said evaporator compartment, said second liner forming said temperature change compartment, said second liner side wall of said first liner forming an air outlet of said temperature change compartment return air duct, and said first liner side wall of said second liner forming an air inlet of said temperature change compartment return air duct.

7. The refrigeration appliance according to claim 6 wherein said air cooling system includes a temperature change chamber return air duct foam disposed between said first liner and said second liner, said first liner side of said temperature change chamber return air duct foam being formed with a first opening opposite an air outlet of said temperature change chamber return air duct, said second liner side of said temperature change chamber return air duct foam being formed with a second opening opposite an air inlet of said temperature change chamber return air duct, an air duct being formed between said first opening and said second opening, said temperature change chamber return air duct foam being filled with a foamed insulation material.

8. The refrigeration apparatus as recited in claim 7 wherein said first and/or second bladder sides of said temperature change chamber return air duct foam are formed with a securing groove, said first and/or second bladder being provided with a bead engaging said securing groove.

9. The refrigeration apparatus of claim 6 wherein said housing further comprises a third liner disposed within said housing, said third liner being disposed above said first liner and said second liner, said third liner defining a refrigeration compartment.

10. The refrigeration apparatus of claim 6 wherein said air cooling system further comprises a temperature change chamber air inlet duct, said second liner side wall of said first liner forming an air inlet of said temperature change chamber air inlet duct, said first liner side wall of said second liner forming an air outlet of said temperature change chamber air inlet duct, said air inlet of said temperature change chamber air inlet duct being opposite to said air outlet of said temperature change chamber air inlet duct.