CN220507351U - Refrigerator - Google Patents

Abstract

The utility model provides a refrigerator, which comprises a refrigerator body, wherein the refrigerator body is provided with an inner container and an outer shell, wherein a compartment is formed in the inner container, the outer shell is arranged on the outer side of the inner container, the refrigerator further comprises a dehumidification assembly which is positioned in a preset temperature zone between the inner container and the outer shell, the dehumidification assembly comprises a low-temperature module, an air inlet pipe which is connected to the lower end of the low-temperature module and is communicated with the external environment, and an air outlet pipe which is positioned above the low-temperature module and is communicated with the compartment, the air inlet pipe penetrates through the outer shell, at least the end part of the air inlet pipe is exposed to the outer part of the outer shell, and a moisture absorption module which is matched with the air outlet pipe is arranged between the low-temperature module and the compartment. Through above-mentioned design, through low temperature module with be located the low temperature module top moisture absorption module combines together for moisture absorption module can compensate the not enough of low temperature module condensation ability, further reduces the proportion of the steam in the indoor air of entering room, promotes dehumidification effect, and then prevents effectively that frosting condition from appearing in the freezer, promotes user's use experience.

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, and thus achieve the defrosting purpose. However, this method has a 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 a refrigerator body, wherein the refrigerator body is provided with an inner container and an outer shell, wherein a compartment is formed in the inner container, the outer shell is arranged on the outer side of the inner container, the refrigerator further comprises a dehumidification assembly which is positioned in a preset temperature zone between the inner container and the outer shell, the dehumidification assembly comprises a low-temperature module, an air inlet pipe which is connected to the lower end of the low-temperature module and is communicated with the external environment, and an air outlet pipe which is positioned above the low-temperature module and is communicated with the compartment, the air inlet pipe penetrates through the outer shell, at least the end part of the air inlet pipe is exposed to the outer part of the outer shell, and a moisture absorption module which is matched with the air outlet pipe is arranged between the low-temperature module and the compartment.

Further, the moisture absorption module is communicated between the low-temperature module and the air outlet pipe.

Further, the air outlet pipe is connected to the upper end of the low-temperature module, and the moisture absorption module is arranged in the air outlet pipe and adjacent to the low-temperature module.

Further, the moisture absorption module comprises a plurality of molecular sieves which are arranged in the air outlet pipe, and the diameter of each molecular sieve is 1-3 mm.

Further, the ratio of the height of the molecular sieve in the air outlet pipe to the length of the air outlet pipe is not more than two thirds.

Further, the ratio of the inner diameter of the air outlet pipe to the inner diameter of the air inlet pipe is 3-4 times.

Further, the refrigerator further comprises a water receiving box fixed on the outer side of the shell, and the air inlet pipe comprises a first section connected with the lower end of the low-temperature module and a second section communicated with the lower end of the first section and extending into the water receiving box laterally.

Further, the refrigerator further comprises a cabinet opening connected to the upper end of the refrigerator body, a connecting piece communicated with the air outlet pipe is arranged on the cabinet opening, and an air outlet communicated with the air outlet pipe and the compartment is formed in the connecting piece.

Further, the cryogenic module includes a housing forming a cavity having fins extending in a direction of the air flow, and the dehumidification assembly further includes a check valve positioned between the fins and the compartment.

Further, the dehumidification assembly also includes a positioning module selectively positionable between the cryogenic module and the enclosure.

Compared with the prior art, the utility model has the beneficial effects that: through low temperature module with be located low temperature module top moisture absorption module combines together for moisture absorption module can compensate low temperature module condensation capacity's not enough, further reduces the proportion of the steam in the indoor air of entering room, promotes dehumidification effect, and then avoids appearing the phenomenon of frosting in the freezer effectively, promotes user's use experience.

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 perspective view of a dehumidifying assembly.

Fig. 3 is an exploded view of the components of the dehumidification assembly.

Fig. 4 is a schematic structural diagram of the cooperation of the dehumidification module and the check valve.

Fig. 5 is a cross-sectional view of the moisture absorption module in the outlet duct along the axial direction of the outlet duct.

FIG. 6 is a schematic view of a dehumidifying assembly according to another embodiment of the present utility model.

FIG. 7 is a schematic view of a dehumidifying assembly according to another embodiment of the present utility model.

The device comprises a 10-box body, a 11-liner, a 12-chamber, a 13-shell, a 20-cabinet opening, a 21-connecting piece, a 30-dehumidifying component, a 31-low temperature module, a 311-shell, a 312-cavity, a 3121-upper cavity, a 3122-lower cavity, 313-fins, a 314-supporting plate, a 32-air inlet pipe, a 321-first section, a 322-second section, a 33-air outlet pipe, a 34-moisture absorbing module, a 341-molecular sieve, a 35-check valve and a 36-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 provides a refrigerator, which comprises a refrigerator body 10, wherein the refrigerator body 10 is provided with an inner container 11 forming a compartment 12 and an outer shell 13 arranged outside the inner container 11, the refrigerator further comprises a dehumidifying component 30 positioned in a preset temperature zone between the inner container 11 and the outer shell 13, the dehumidifying component 30 comprises a low-temperature module 31, an air inlet pipe 32 connected to the lower end of the low-temperature module 31 and communicated with the external environment, and an air outlet pipe 33 positioned above the low-temperature module 31 and communicated with the compartment 12, the air inlet pipe 32 penetrates through the outer shell 13 and at least the end part of the air inlet pipe is exposed to the outside of the outer shell 13, and a moisture absorption module 34 matched with the air outlet pipe 33 is arranged between the low-temperature module 31 and the compartment 12.

According to the refrigerator disclosed by the utility model, the low-temperature module 31 is combined with the moisture absorption module 34 above the low-temperature module 31, so that the moisture absorption module 34 can make up for the defect of the condensation capacity of the low-temperature module 31, the proportion of water vapor in air entering the compartment 12 is further reduced, the dehumidification effect is improved, the frosting amount in the compartment 12 is further effectively reduced, and the use experience of a user is improved.

The box 10 further comprises a heat-insulating layer (not shown) located between the inner container 11 and the outer shell 13, and the heat-insulating layer is located between the compartment 12 and the external environment along the thickness direction of the box 10, the temperature of the heat-insulating layer gradually increases from the compartment 12 to the external environment, the temperature of the preset temperature zone is-5 ℃ to 5 ℃, and the dehumidifying component 30 is located in the preset temperature zone and extends along the vertical direction, so that the dehumidifying component 30 has the capability of condensing water vapor, and meanwhile, frosting caused by supercooling of the temperature is avoided.

The refrigerator further comprises a cabinet opening 20 connected to the upper end of the box body 10, the cabinet opening 20 is used for connecting the upper ends of the outer shell 13 and the inner container 11, and when the refrigerator closes the door body, the cabinet opening 20 is used for sealing a gap between the door body and the box body 10, so that cold air in the compartment 12 is prevented from leaking.

The cabinet opening 20 is provided with a connecting piece 21 connected with the air outlet pipe 33, and the connecting piece 21 is provided with an air outlet hole (not shown) connected with the air outlet pipe 33 and the chamber 12. In this embodiment, the air outlet hole is an annular air outlet hole, so as to avoid the air outlet hole from being blocked by foreign matters. Preferably, the annular air outlet is located at a position at the rear side of the cabinet opening 20, so that the annular air outlet is far away from the user, and the annular air outlet is prevented from being covered or blocked.

The refrigerator further includes a water receiving box (not shown) fixed to the outside of the housing 13 for collecting moisture condensed from the dehumidifying assembly 30, preferably, the water receiving box is located at the middle lower portion of the cabinet 10.

As shown in fig. 2 and 3, the air inlet pipe 32 is communicated with the external environment outside the box 13, and the end of the air inlet pipe 32 far away from the low-temperature module 31 passes through the housing 13 and is at least partially exposed to the outside of the housing 13, i.e. the air inlet end of the air inlet pipe 32 is arranged on the housing 13. When the pressure inside and outside the chamber 12 is large, air enters the chamber 12 from the air inlet pipe 32 to balance the air pressure inside and outside the chamber 12. Specifically, the air inlet pipe 32 includes a first section 321 connected to the lower end of the low temperature module 31, and a second section 322 connected to the lower end of the first section 321 and extending laterally to the outside of the housing 13, where the second section 322 sequentially passes through a part of the heat insulation layer and the housing 13 to extend into the water receiving box.

The lower end of the air outlet pipe 33 is directly or indirectly connected to the upper end of the low temperature module 31, and the upper end of the air outlet pipe 33 is connected to the connecting member 21 to convey the air condensed in the low temperature module 31 into the chamber 12. Preferably, the ratio of the inner diameter of the outlet pipe 33 to the inner diameter of the inlet pipe 32 is 3 to 4 times to ease the speed of the gas flow so that the gas can be sufficiently heat exchanged in the outlet pipe 33 and the moisture can be further condensed. In this embodiment, the inner diameter of the air outlet pipe 33 is preferably 13mm to 17mm.

Preferably, the air outlet pipe 33 is a corrugated pipe, which has a continuously variable fold structure, a certain sealing performance, and can achieve the purposes of sealing and quick connection with the connecting piece 21, and meanwhile, the corrugated pipe has a certain strength, when the box 10 foams, the air outlet pipe 33 can resist the extrusion force of the foaming material, so that the air outlet pipe 33 is prevented from being deformed due to extrusion, and the smooth air flow passage is ensured.

The low-temperature module 31 is located at the middle upper part of the refrigerator in the vertical direction, so that the low-temperature module 31 has a proper temperature range, which is beneficial to condensing moisture in the gas.

As shown in fig. 4, the low temperature module 31 includes a housing 311 forming a cavity 312, a plurality of fins 313 extending along the air flow direction are disposed in the cavity 312, channels are formed between two connected fins 313 or between the fins 313 and the inner wall of the housing 311 to allow air to pass through, the fins 313 having low temperature are condensed into liquid water by moisture in the air entering the low temperature module 31 through the air inlet pipe 32, and the liquid water is discharged into the water receiving box along the air inlet pipe 32.

The low-temperature module 31 is made of a material with good heat conduction performance, so that the heat exchange efficiency between the low-temperature module 31 and the liner 11 and the capability of the low-temperature module 31 to condense water vapor are improved.

As shown in fig. 4, the dehumidifying assembly 30 further includes a check valve 35 disposed between the fin 313 and the chamber 12, preferably, the check valve 35 is disposed in the low temperature module 31, in this embodiment, a support plate 314 is disposed in the housing 311, the support plate 314 divides the cavity 312 into a first cavity 3121 and a second cavity 3122 along a direction perpendicular to the air flow, the fin 313 is disposed in the second cavity 3122, a through hole (not shown) communicating the first cavity 3121 and the second cavity 3122 is disposed on the support plate 314, and the check valve 35 is disposed in the first cavity 3121 and covers the through hole.

Preferably, the support plate 314 is curved, and the through hole is located at the lowest position in the middle of the support plate 314.

In this embodiment, the diameter of the check valve 35 is larger than the inner diameter of the air outlet pipe 33, so as to prevent the check valve 35 from entering the air outlet pipe 33.

In general, the air sequentially passes through the air inlet pipe 32, the low-temperature module 31, the air outlet pipe 33 and the connecting piece 21 and then enters the chamber 12, and the moisture in the air is condensed by the low temperature of the dehumidifying component 30, but under the condition of high air humidity, insufficient condensation still exists, and in order to enable the moisture in the air to be sufficiently condensed, the dehumidifying component 30 further comprises a moisture absorption module 34 to supplement the insufficient condensation capacity of the low-temperature module 31.

In this embodiment, the air outlet pipe 33 is connected to the upper end of the low temperature module 31, and the air coming out of the low temperature module 31 directly enters the moisture absorption module 34 in the air outlet pipe 33 to rapidly remove the moisture remaining in the air.

In this embodiment, as shown in fig. 5, the moisture absorption module 34 includes a plurality of molecular sieves 341 disposed in the air outlet pipe 33, preferably, the molecular sieves 341 have a diameter of 1 mm-3 mm, which is beneficial to the absorption of water vapor, and meanwhile, a certain gap exists between the molecular sieves 341 for allowing the air to pass through.

Preferably, the ratio of the height of the molecular sieve 341 in the outlet pipe 33 to the length of the outlet pipe 33 is not more than two thirds, so that the outlet pipe 33 has a sufficient amount of molecular sieve 341 to absorb water vapor.

As another preferred embodiment of the present utility model, as shown in fig. 6, the moisture absorption module 34 is connected between the low temperature module 31 and the air outlet pipe 33. In this embodiment, the air outlet pipe 33 is connected to the upper end of the moisture absorption module 34 and the lower end of the connecting piece 21, that is, the air flowing out from the low temperature module 31 firstly absorbs moisture through the moisture absorption module 34, and then enters the air outlet pipe 33, so as to further enhance the dehumidification capability of the dehumidification assembly 30.

In this embodiment, the moisture absorption module 34 is a plurality of molecular sieves 341 in a container (not shown), the container is respectively connected with the cavity 312 and the air outlet pipe 33 of the low temperature module 31, the diameter of the molecular sieves 341 is 1 mm-3 mm, which is beneficial to the absorption of water vapor, and meanwhile, a certain gap exists between the molecular sieves 341 for the passage of air.

As another preferred embodiment of the present utility model, the moisture absorbing module 34 is connected between the air outlet pipes 33, as shown in fig. 7, in this embodiment, the air outlet pipes 33 include a lower air outlet pipe 331 connected to the upper end of the low temperature module 31 and the lower end of the moisture absorbing module 34, an upper air outlet pipe 332 connected to the upper end of the moisture absorbing module 34 and the lower end of the connecting piece 21, and containers for containing the molecular sieve 341 are respectively connected to the lower air outlet pipe 331 and the upper air outlet pipe 332, and the type and the specification of the moisture absorbing module 34 in this embodiment are the same as those of the above embodiment, and will not be repeated.

As another preferred embodiment of the present utility model, the dehumidifying assembly 30 further includes a positioning module 36 selectively disposed between the low temperature module 31 and the housing 13, such that the low temperature module 31 is located within a predetermined temperature zone.

Of course, the positioning module 36 may be disposed between the low temperature module 31 and the liner 11, or the low temperature module 31 may be located in a predetermined temperature area.

In summary, the refrigerator of the present utility model combines the low temperature module 31 with the moisture absorption module 34 above the low temperature module 31, so that the moisture absorption module 34 can make up for the deficiency of the condensation capability of the low temperature module 31, further reduce the proportion of water vapor in the air entering the compartment 12, improve the dehumidification effect, further effectively reduce the frosting amount in the compartment 12, and improve the user experience.

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. The utility model provides a freezer, includes the box, the box has the inner bag that forms the room, the shell in the inner bag outside, its characterized in that: the refrigerator further comprises a dehumidifying component located in a preset temperature zone between the inner container and the outer shell, the dehumidifying component comprises a low-temperature module, an air inlet pipe connected to the lower end of the low-temperature module and communicated with the external environment, and an air outlet pipe located above the low-temperature module and communicated with the compartment, the air inlet pipe penetrates through the outer shell and at least the end part of the air inlet pipe is exposed to the outside of the outer shell, and a moisture absorption module matched with the air outlet pipe is arranged between the low-temperature module and the compartment.

2. The refrigerator of claim 1, wherein: the moisture absorption module is communicated between the low-temperature module and the air outlet pipe.

3. The refrigerator of claim 1, wherein: the air outlet pipe is connected to the upper end of the low-temperature module, and the moisture absorption module is arranged in the air outlet pipe and adjacent to the low-temperature module.

4. A refrigerator according to claim 3, wherein: the moisture absorption module comprises a plurality of molecular sieves which are arranged in the air outlet pipe, and the diameter of each molecular sieve is 1 mm-3 mm.

5. The refrigerator of claim 4, wherein: the ratio of the height of the molecular sieve in the air outlet pipe to the length of the air outlet pipe is not more than two thirds.

6. A refrigerator according to claim 3, wherein: the ratio of the inner diameter of the air outlet pipe to the inner diameter of the air inlet pipe is 3-4 times.

7. The refrigerator of any one of claims 1 to 6 wherein: the refrigerator further comprises a water receiving box fixed on the outer side of the shell, and the air inlet pipe comprises a first section connected with the lower end of the low-temperature module and a second section communicated with the lower end of the first section and extending into the water receiving box laterally.

8. The refrigerator of claim 7, wherein: the refrigerator further comprises a cabinet opening connected to the upper end of the refrigerator body, a connecting piece communicated with the air outlet pipe is arranged on the cabinet opening, and an air outlet communicated with the air outlet pipe and the compartment is formed in the connecting piece.

9. The refrigerator of claim 7, wherein: the low-temperature module comprises a shell forming a cavity, fins extending along the air flow direction are arranged in the cavity, and the dehumidification assembly further comprises a check valve positioned between the fins and the compartment.

10. The refrigerator of claim 8, wherein: the dehumidification assembly also includes a positioning module selectively positionable between the cryogenic module and the enclosure.