CN220338786U - Refrigerator - Google Patents

Abstract

The utility model provides a refrigerator, which comprises an inner container forming a compartment and a dehumidifying component positioned in a preset temperature area outside the inner container, wherein the dehumidifying component comprises a low-temperature module, an air inlet pipe communicated with the lower end of the low-temperature module and the external environment, and an air outlet pipe communicated with the upper end of the low-temperature module and the compartment, the low-temperature module comprises a shell forming a cavity, and a plurality of fins arranged in the cavity, channels for air flow to pass through are formed between every two adjacent fins and between the fins and the shell, and at least one fin is arranged in a curve shape in the length direction of the fin.

Description

Refrigerator

Technical Field

The utility model relates to the technical field of refrigeration, in particular to a refrigerator.

Background

At present, a direct-cooling refrigerator can have a large amount of frosting problems, wherein one reason is that when a cabinet door is opened and closed, wet air enters the interior to be condensed and frosted, and one important factor is that: when the compressor is started and stopped, the pressure inside and outside the cabinet changes, and wet air outside the cabinet enters the cabinet through a door seam, and then the wet air is pre-condensed to form frost.

The method for reducing the frosting quantity in the refrigerator commonly used in industry is to open a hole at the opening of the refrigerator, connect with the outside by using a vent pipe, set a low-frost module in the middle, cool the low-frost module through the low temperature of the liner, further condense the moisture in the air, reduce the proportion of the wet air entering the refrigerator body, thereby achieving the purpose of defrosting, and in order to achieve the purpose of fully condensing the water vapor, fins are arranged in the low-frost module, but the method still has the problem of incomplete condensation.

In view of this, there is a need to design a new refrigerator to solve the above problems.

Disclosure of Invention

The utility model provides a refrigerator which can effectively reduce frosting of the refrigerator and does not increase the use cost.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model provides a refrigerator, which comprises an inner container forming a compartment, and further comprises a dehumidifying component positioned in a preset temperature area outside the inner container, wherein the dehumidifying component comprises a low-temperature module, an air inlet pipe communicated with the lower end of the low-temperature module and with the external environment, and an air outlet pipe communicated with the upper end of the low-temperature module and with the compartment, the low-temperature module comprises a shell forming a cavity, a plurality of fins arranged in the cavity, channels for air flow to pass through are formed between two adjacent fins and between the fins and the shell, and at least one fin is arranged in a curve shape in the length direction of the fin.

Further, the fins are arranged in a wavy line type.

Further, the distance between two adjacent fins gradually decreases from bottom to top.

Further, the thickness of the fin is gradually thinned from the center of the housing to both sides in the lateral direction.

Further, the fins are arranged at intervals along the vertical direction, and the end parts of the fins are arranged at intervals with the inner wall of the shell.

Further, the dehumidification assembly further includes a check valve disposed between the fins and the compartment.

Further, the low-temperature module further comprises a supporting plate arranged in the cavity, the supporting plate divides the cavity into an upper cavity communicated with the air outlet pipe and a lower cavity communicated with the air inlet pipe, the fins are arranged in the lower cavity and are close to the supporting plate, through holes for communicating the upper cavity and the lower cavity are formed in the supporting plate, the check valve covers the through holes, and the outer diameter of the check valve is larger than the inner diameter of the air outlet pipe.

Further, the supporting plate is in a curved surface shape, and the through hole is positioned at the lowest position of the supporting plate.

Further, the dehumidification assembly further comprises a positioning module which can be selectively arranged between the low-temperature module and the shell, and the temperature range of the preset temperature zone is-5 ℃ to-5 ℃.

Further, the inner diameter of the air outlet pipe is larger than the inner diameter of the air inlet pipe.

Compared with the prior art, the utility model has the beneficial effects that: according to the refrigerator disclosed by the utility model, the length of the fins is increased as much as possible through the design of the fins, so that the contact area of the fins and air is increased, the capability of condensing water vapor of the low-temperature module is further improved, the water vapor is prevented from entering a compartment and frosting when encountering cold, and the refrigerator disclosed by the utility model is simple in structure, free from increasing the use cost and convenient to popularize.

Drawings

Fig. 1 is a schematic view showing a partial structure of a cabinet omitting a casing in one embodiment of the refrigerator of the present utility model.

Fig. 2 is a schematic structural view of the fins in the low temperature module.

Fig. 3 is a schematic structural view of the inner fins of the middle-low temperature module in the drawing.

Fig. 4 is a schematic structural view of an inner fin of a low temperature module according to another embodiment of the present utility model.

Fig. 5 is a schematic view of the structure of an inner fin of a low temperature module according to another embodiment of the present utility model.

The device comprises a 10-box body, a 11-inner container, a 12-chamber, a 13-shell, a 14-cabinet opening, a 141-connecting piece, a 20-dehumidifying component, a 21-low temperature module, a 211-shell, a 212-cavity, a 2121-upper cavity, a 2122-lower cavity, a 213-fin, a 214-supporting plate, a 22-air inlet pipe, a 23-air outlet pipe, a 24-check valve and a 25-positioning module.

Detailed Description

In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

In the various illustrations of the utility model, some dimensions of structures or portions may be exaggerated relative to other structural portions for convenience of illustration, and thus serve only to illustrate the basic structure of the inventive subject matter.

It should be noted that the directions or positional relationships indicated by the terms "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of simplifying the description of the present utility model, and are not meant to indicate or imply that the apparatus must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the scope of protection of the present utility model. Specifically, in the present utility model, the direction facing the user is the front, the opposite direction is the rear, the direction facing the ground is the lower, and the direction away from the ground is the upper.

The utility model relates to a refrigerator, as shown in fig. 1-5, the refrigerator 10 comprises an inner container 11 forming a compartment 12, an outer shell 13 outside the inner container 11, and an insulation layer (not shown) between the inner container 11 and the outer shell 13, wherein the insulation layer is positioned between the compartment 12 and the external environment along the thickness direction of the refrigerator, the temperature of the insulation layer gradually increases along the temperature from the compartment to the external environment, and the temperature of a preset temperature zone is-5 ℃ to 5 ℃.

As shown in fig. 1, the refrigerator further includes a cabinet opening 14 provided at an upper end of the cabinet 10, the cabinet opening 14 is used for connecting the outer casing 13 and an upper end of the inner container 11, and when the refrigerator closes the door, the cabinet opening 14 is used for sealing a gap between the door and the cabinet 10, so as to prevent leakage of cool air in the compartment 12.

The cabinet opening 14 is provided with a connecting member 141, and the connecting member 141 is provided with an air outlet hole (not shown) for communicating with the compartment 12. Preferably, the air outlet holes are annular air outlet holes, so that the air outlet holes are prevented from being blocked by foreign matters.

The annular air outlet holes are preferably located at two sides or at the rear side of the cabinet opening 14, so that the annular air outlet holes are far away from a user, and the annular air outlet holes are prevented from being covered or blocked.

The refrigerator further comprises a dehumidifying component 20 located in a preset temperature zone outside the inner container 11, wherein the dehumidifying component 20 is located in the preset temperature zone and extends in the vertical direction, so that the dehumidifying component 20 has the capacity of condensing water vapor, and meanwhile frosting caused by supercooling of temperature is avoided.

As shown in fig. 2, the dehumidifying assembly 20 includes a low-temperature module 21, an air inlet pipe 22 connected to the lower end of the low-temperature module 21 and connected to the external environment, and an air outlet pipe 23 connected to the upper end of the low-temperature module 21 and connected to the compartment 12, wherein air sequentially passes through the air inlet pipe 22, the low-temperature module 21 and the air outlet pipe 23, and then enters the compartment 12, water vapor in the air is condensed into liquid water when encountering cold, and the liquid water is discharged into a press bin along the air inlet pipe 22 or is directly discharged to the outside through the box 10.

Wherein, the lower end of the air inlet pipe 22 is communicated with the external environment outside the box body 10, the upper end of the air inlet pipe 22 is communicated with the low-temperature module 21, and when the pressure inside and outside the chamber 12 is large, air enters the chamber 12 from the air inlet pipe 22 so as to realize the air pressure balance inside and outside the chamber 12.

The lower end of the air outlet pipe 23 is communicated with the upper end of the low-temperature module 21, and the upper end of the air outlet pipe 23 is communicated with the connecting piece 141 and is communicated with the chamber 12 through an air outlet hole.

Preferably, the inner diameter of the air outlet pipe 23 is larger than the inner diameter of the air inlet pipe 21, so that air can easily enter the air inlet pipe 21 with a smaller inner diameter. Meanwhile, when air enters the air outlet pipe 23 from the low-temperature module 21, the air moves slowly in the air outlet pipe 23 with a larger inner diameter, so that water vapor in the air can be further condensed in the air outlet pipe 23 when encountering cold, and the dehumidification capacity of the dehumidification assembly 20 is improved.

The low temperature module 21 is located at the middle upper portion of the case 10, so that the low temperature module 21 has a suitable temperature range to facilitate condensation of moisture in the gas.

As shown in fig. 3 to 5, the low temperature module 21 includes a housing 211 forming a cavity 212, a plurality of fins 213 disposed in the cavity 212, channels for air flow passing through are formed between two adjacent fins 213 and between the fins 213 and the housing 211, and at least one fin 213 is disposed in a curve shape along the length direction of the fin 213, so that the fin 213 has a larger contact area with air in the direction of the air flow, so as to enhance the capability of the low temperature module 21 for condensing water vapor.

Preferably, as shown in fig. 3, the fins 213 are curved, so as to further increase the contact area between the fins 213 and the air.

As a preferred embodiment of the present utility model, the fins 213 are arranged in a wavy line, so that the fins 213 are smoother along the length direction, and the channels are smoother in the direction of the gas flow, thereby improving the smoothness of the air circulation.

As another preferred embodiment of the present utility model, the distance between two adjacent fins 213 is gradually decreased from bottom to top. That is, the length of the fin 213 is further increased in the direction of the gas flow, thereby increasing the contact area between the fin 213 and the air, and improving the dehumidifying capability of the dehumidifying assembly 20.

As another preferred embodiment of the present utility model, as shown in fig. 4, the thickness of the fin 213 gradually decreases from the center of the housing 211 to two sides in the transverse direction, more gas passes through the middle position of the housing 211, and the thickness of the fin 213 at the middle position is larger, so that the fin 213 at the middle position has better capacity of absorbing cold and accumulating cold, so as to improve the capacity of condensing water vapor of the low temperature module 21.

As another preferred embodiment of the present utility model, as shown in fig. 5, the fins 213 are arranged at intervals in the vertical direction, and the ends of the fins 213 are spaced from the inner wall of the housing 211. That is, the fins 213 extend in a direction perpendicular to the direction of the gas flow, and the fins 213 form a channel, and the air contacts all the fins 213 during passing through the low temperature module 21, so as to further enhance the capability of condensing water vapor of the low temperature module 21.

In the above embodiment, the low-temperature module 21 is made of a material with good heat conduction performance, so as to improve the heat exchange capability of the low-temperature module 21.

As another preferred embodiment of the present utility model, the dehumidifying assembly 20 further includes a check valve 24 disposed between the fin 213 and the chamber 12 to prevent the cold in the chamber 12 from leaking from the dehumidifying assembly 20.

Specifically, a support plate 214 is disposed in the cavity 212 of the low temperature module 21, the support plate 214 divides the cavity 212 into an upper chamber 2121 communicating with the air outlet pipe 23 and a lower chamber 2122 communicating with the air inlet pipe 22, the fins 213 are disposed in the lower chamber 2122 and close to the support plate 214, through holes (not shown) communicating the upper chamber 2121 and the lower chamber 2122 are disposed on the support plate 214, the check valve 24 covers the through holes, and the outer diameter of the check valve 24 is larger than the inner diameter of the air outlet pipe 23.

Preferably, the support plate 214 has a curved shape, and the through hole is located at the lowest position of the support plate 214, so that the check valve 24 can smoothly move to the lowest position of the support plate 214 under the action of gravity to cover the through hole.

The dehumidification assembly 20 further comprises a positioning module 25 selectively arranged between the low temperature module 21 and the box 11, wherein the temperature range of the preset temperature zone is-5 ℃ to-5 ℃. The dehumidification assembly 20 is located in a preset temperature zone and extends in the vertical direction, so that the dehumidification assembly 20 has the capability of condensing water vapor, and meanwhile, frosting caused by supercooling of temperature is avoided.

Of course, the positioning module 25 may be provided between the low-temperature module 21 and the liner 11, and the positioning of the low-temperature module 21 may be achieved.

In summary, the refrigerator according to the present utility model increases the length of the fins 213 as much as possible through the design of the fins 213, so as to increase the contact area between the fins 213 and the air, further improve the ability of the low temperature module 21 to condense water vapor, and prevent the water vapor from entering the compartment 12 and frosting when encountering cold.

It should be understood that although the present disclosure describes embodiments in terms of examples, not every embodiment is provided with a single embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined appropriately 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 is 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. A refrigerator, includes the inner bag that forms the room, its characterized in that: the refrigerator is characterized by further comprising a dehumidifying component located in a preset temperature zone outside the inner container, wherein the dehumidifying component comprises a low-temperature module, an air inlet pipe communicated with the lower end of the low-temperature module and the external environment, and an air outlet pipe communicated with the upper end of the low-temperature module and the compartment, the low-temperature module comprises a shell body forming a cavity and a plurality of fins arranged in the cavity, a channel for air flow to pass through is formed between two adjacent fins and between the fins and the shell body, and at least one fin is arranged in a curve shape in the length direction of the fin.

2. The refrigerator of claim 1, wherein: the fins are arranged in a wave line type.

3. The refrigerator of claim 1, wherein: the distance between two adjacent fins gradually decreases from bottom to top.

4. The refrigerator of claim 1, wherein: in the transverse direction, the thickness of the fin is gradually thinned from the center of the shell to two sides.

5. The refrigerator of claim 1, wherein: the fins are arranged at intervals along the vertical direction, and the end parts of the fins are arranged at intervals with the inner wall of the shell.

6. The refrigerator according to any one of claims 1 to 5, wherein: the dehumidification assembly further includes a check valve disposed between the fin and the compartment.

7. The refrigerator of claim 6, wherein: the low-temperature module is characterized by further comprising a supporting plate arranged in the cavity, wherein the supporting plate divides the cavity into an upper cavity communicated with the air outlet pipe and a lower cavity communicated with the air inlet pipe, the fins are arranged in the lower cavity and close to the supporting plate, through holes for communicating the upper cavity and the lower cavity are formed in the supporting plate, the through holes are covered by the check valve, and the outer diameter of the check valve is larger than the inner diameter of the air outlet pipe.

8. The refrigerator of claim 7, wherein: the support plate is in a curved surface shape, and the through hole is positioned at the lowest position of the support plate.

9. The refrigerator of claim 6, wherein: the dehumidification assembly further comprises a positioning module which can be selectively arranged between the low-temperature module and the shell, and the temperature range of the preset temperature zone is-5 ℃ to-5 ℃.

10. The refrigerator of claim 6, wherein: the inner diameter of the air outlet pipe is larger than that of the air inlet pipe.