CN216522589U

CN216522589U - Refrigerator with a door

Info

Publication number: CN216522589U
Application number: CN202123204803.3U
Authority: CN
Inventors: 李琴; 鲍雨锋; 张建; 张秋菊; 赵仲凯; 张乾勇
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-13
Anticipated expiration: 2031-12-17

Abstract

The utility model provides a refrigerator which comprises a refrigerator body, a refrigerating door, an air duct assembly and an air curtain assembly, wherein the refrigerator body is provided with a refrigerating door; a refrigerating chamber with an opening at the front side is constructed in the box body; the air duct assembly is arranged in the box body; the air curtain subassembly is including forming in the air curtain wind channel on walk-in top and setting up the air curtain fan in the wind channel subassembly and provide power for the cold air in the air curtain wind channel, and the air output of reinforcing air curtain export to form the air curtain that the air output is bigger at the front end of walk-in. And the inlet of the air curtain air channel is communicated with the air channel assembly, and the air curtain assembly forms an air curtain by utilizing air in the air channel assembly so as to keep the low temperature of the air curtain, and the temperature of the air curtain is shifted less. Utilize air and air curtain fan in the wind channel subassembly to form more stable and the bigger wind of air output, the air curtain temperature is lower, reduces the temperature in the freezer and stirs.

Description

Refrigerator with a door

Technical Field

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

Background

The air curtain is also called as air curtain, and is mainly applied above doors of markets, theaters, hotels, restaurants and the like with refrigeration, air conditioning, dust prevention and heat insulation, can isolate indoor and outdoor air, prevents the indoor and outdoor air from carrying out cold and heat exchange, and has the functions of dust prevention, pollution prevention and mosquito and fly prevention.

For air-cooled refrigerator products, according to the existing experimental tests: when the ambient temperature is 30 ℃, the refrigerator is opened for 10 seconds, the temperature in the refrigerator rises to 5-6 ℃, and if the refrigerator is opened for 1-2 minutes, the temperature in the refrigerator reaches the external ambient temperature. After the refrigerating door is closed, if the room temperature is returned to the set temperature again, the compressor is continuously operated for at least more than 20 minutes. Under the prior art, a large amount of cold energy loss exists in the refrigerator in the door opening stage, and the refrigerator door opening stage not only can bring huge temperature fluctuation to the compartment and influence the fresh-keeping effect of food materials, but also can correspondingly increase the power consumption of the refrigerator. Therefore, in the prior art, an air curtain structure is arranged in the refrigerator to isolate the air flow inside and outside the refrigerator after the refrigerator is opened.

In the related art, an air curtain structure draws air within a refrigerating chamber, and an air curtain is formed at a front end of the refrigerating chamber by using the air within the refrigerating chamber. After the refrigerating chamber is opened, because the temperatures of the refrigerating chamber and the air curtain are slowly increased and are superposed, the temperature in the refrigerating chamber is increased quickly, and the refrigerating effect of the refrigerating chamber is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a refrigerator which can effectively control the temperature of an air curtain so as to effectively ensure the refrigerating effect in a refrigerating chamber.

In order to solve the technical problems, the utility model adopts the following technical scheme:

according to one aspect of the present invention, there is provided a refrigerator including a cabinet, a refrigerating door, an air duct assembly, and an air curtain assembly; a refrigerating chamber with an opening at the front side is constructed in the box body; the refrigerating door is covered on the front side of the box body and is rotatably connected to the box body so as to open or close the refrigerating chamber; the air duct assembly is arranged in the box body and used for providing cold energy for the refrigerating chamber; the air curtain component comprises an air curtain air channel formed at the top end of the refrigerating chamber and an air curtain fan arranged in the air channel component; the front end of the air curtain air duct in the refrigerating chamber is provided with an air curtain outlet for discharging air downwards; the inlet of the air curtain air duct is communicated with the air duct assembly; the air curtain fan and the refrigerating chamber are arranged at intervals and are positioned behind the refrigerating chamber.

In some embodiments of the present application, the air duct assembly includes a refrigerating air duct and a freezing air duct communicated with each other; a refrigerating inner container is arranged in the box body, and a partition plate is arranged in the refrigerating inner container; the partition board is divided into a refrigerating chamber and a refrigerating air duct which are spaced from each other in front and back in the refrigerating inner container; the air curtain air duct is at least partially positioned outside the refrigeration liner.

In some embodiments of this application, the air curtain subassembly still includes the air curtain casing, the laminating of air curtain casing is in on the top surface of the inboard of cold-stored inner bag, the air curtain casing is provided with upper end open-ended passageway, and the air curtain casing with enclose between the last lateral wall of cold-stored inner bag and close and form the air curtain wind channel.

In some embodiments of the present application, the air curtain housing includes an air inlet cover plate attached to the upper wall of the front side of the refrigeration liner, and an air supply pipe attached to the upper wall of the refrigeration liner, and the front end and the rear end of the air supply pipe are respectively communicated with the refrigeration air duct and the air inlet cover plate so as to be respectively communicated with the air inlet cover plate and the refrigeration air duct; the air curtain outlet is arranged on the air port cover plate.

In some embodiments of the present application, an air supply passage extending in a front-rear direction is formed between the air supply pipe member and the upper wall of the refrigerating inner container; an air outlet cavity extending along the left-right direction is formed between the air inlet cover plate and the upper wall of the refrigerating inner container.

In some embodiments of the present application, an air inlet communicated with the air supply pipe is formed in a rear side wall of the air outlet cavity; the air outlet cavity is close to the air inlet and is provided with an arc-shaped guide inclined plane for guiding air conveyed from the air inlet.

In some embodiments of the present application, the air supply pipe members are provided in two at an interval in the left-right direction; the front ends of the inner cavities of the two air supply pipe fittings are oppositely and obliquely arranged.

In some embodiments of the present application, a support arm extending backward is disposed on the air inlet cover plate, and a front end of the air supply pipe abuts against the air inlet cover plate and is supported on the support arm.

In some embodiments of the present application, the air supply duct member is made of a foam material.

According to the technical scheme, the utility model has at least the following advantages and positive effects:

according to the utility model, the air duct assembly provides cold energy for the refrigerating chamber, so that a refrigerating environment is formed in the refrigerating chamber. The air curtain fan provides power for the cold air in the air curtain air duct, strengthens the air output of the air curtain export to form the air curtain with bigger air output at the front end of the refrigerating chamber, strengthen the heat-proof performance of the air curtain, effectively isolate the air inside and outside the refrigerating chamber, strengthen the refrigeration performance of the refrigerator. And the inlet of the air curtain air channel is communicated with the air channel assembly, and the air curtain assembly forms an air curtain by utilizing air in the air channel assembly so as to keep the low temperature of the air curtain, and the temperature of the air curtain is shifted less. Utilize air and air curtain fan in the wind channel subassembly to form more stable and the bigger wind of air output, make the heat-proof quality of air curtain better, the air curtain temperature is lower, reduces the temperature in the freezer and stirs. Thereby effectively ensuring the refrigerating effect in the refrigerating chamber.

The air curtain fan is arranged in the air duct assembly, the air curtain fan and the refrigerating chamber are arranged at intervals and located behind the refrigerating chamber, the effective volume of the refrigerating chamber cannot be reduced due to the arrangement of the air curtain fan, and the effective volume of the refrigerating chamber is guaranteed.

Drawings

Fig. 1 is a schematic sectional structure view of an embodiment of a refrigerator according to the present invention.

Fig. 2 is a schematic view of a connection structure of the refrigerating inner container and the air curtain assembly according to the present invention.

Fig. 3 is an exploded view of the structure shown in fig. 2.

Fig. 4 is a schematic structural view of an air curtain housing according to an embodiment of the refrigerator of the present invention.

FIG. 5 is a schematic structural diagram of an air flap panel according to an embodiment of the refrigerator of the present invention.

Fig. 6 is a schematic structural diagram of a wind gap cover 311 of an embodiment of the refrigerator according to the present invention.

The reference numerals are explained below: 100. a box body; 110. a refrigerating chamber; 120. a freezing chamber; 130. refrigerating the inner container; 140. a partition plate; 210. a refrigeration air duct; 220. a freezing air duct; 300. an air curtain assembly; 310. an air curtain housing; 311. a tuyere cover plate; 312. an air supply pipe fitting; 313. an air outlet cavity; 314. an air inlet; 315. a guide slope; 316. a support arm; 317. an air supply channel; 320. an air curtain fan; 330. an air curtain duct; 340. and an air curtain outlet.

Detailed Description

Exemplary embodiments that embody features and advantages of the utility model are described in detail below in the specification. It is to be understood that the utility model is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the utility model and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

For convenience of description and understanding, a direction facing a user of the refrigerator is taken as a front direction, a direction facing away from the user is taken as a rear direction, a vertical direction is an up-down direction, and a width direction of the refrigerator is a left-right direction.

Fig. 1 is a schematic sectional structure view of an embodiment of a refrigerator according to the present invention. Fig. 2 is a schematic view of the connection structure of the refrigerating liner 130 and the air curtain assembly 300 according to the present invention. Fig. 3 is an exploded view of the structure shown in fig. 2.

Referring to fig. 1 to 3, a refrigerator is an appliance for storing goods while maintaining a constant low temperature. The refrigerator in the present embodiment may be a refrigeration showcase or a wine cabinet, and the following description will be given by taking the refrigerator as an example. The refrigerator includes a refrigerator body 100, an air duct assembly provided in the refrigerator body 100, an air curtain assembly 300 provided in the refrigerator body 100, and a refrigerating assembly (not shown) provided in the refrigerator body 100.

The refrigerator body 100 is provided with a refrigerating chamber 110 and a freezing chamber 120 which are opened at the front side, the refrigerating chamber 110 and the freezing chamber 120 are arranged at intervals up and down, and the refrigerating assembly transmits cold energy to air in the air duct assembly so as to obtain cold air in the air duct assembly. The air duct assembly can selectively communicate with the refrigerating chamber 110 or the freezing chamber 120 to guide air in the air duct assembly into the refrigerating chamber 110 and/or the freezing chamber 120, so that the refrigerating chamber 110 and the freezing chamber 120 can be cooled, and a refrigerating and freezing environment can be maintained.

In this embodiment, an air inlet and an air return opening communicated with the air duct assembly are respectively disposed in the refrigerating chamber 110 and the freezing chamber 120, so that air in the refrigerating chamber 110 and the freezing chamber 120 can respectively circulate with air in the air duct assembly, and the air in the air duct assembly can respectively transfer cold energy to the refrigerating chamber 110 and the freezing chamber 120. In some embodiments, temperature sensors are provided within both the refrigerator compartment 110 and the freezer compartment 120 for detecting real-time temperatures within the refrigerator compartment 110 and the freezer compartment 120.

In this embodiment, the air duct assembly includes a refrigerating air duct 210 and a freezing air duct 220 that are communicated with each other; the refrigerating duct 210 communicates with the refrigerating compartment 110 to be able to supply cooling energy to the refrigerating compartment 110. The freezing duct 220 is used to communicate with the freezing chamber 120 to provide cooling energy to the freezing chamber 120. Dampers are provided at the air inlets of the refrigerating compartment 110 and the freezing compartment 120, respectively, to control the supply of air into the freezing compartment 120 and the refrigerating compartment 110.

A refrigerating door (shown in the drawing) is provided at a front side of the refrigerating chamber 110, and covers a front side of the cabinet 100 and is rotatably coupled to the cabinet 100 to open or close the refrigerating chamber 110 and to take and place articles in the refrigerating chamber 110.

The connection relationship of the specific structure of the box 100 refers to the structure of the box 100 in the related art, and is not described herein.

In this embodiment, the air curtain assembly 300 is disposed at the top end of the refrigerating compartment 110, and is used for forming an air curtain at the front end of the refrigerating compartment 110 after the refrigerating compartment 110 is opened, so as to block heat exchange between the inside and the outside of the refrigerating compartment 110, and effectively ensure a low-temperature environment of the refrigerating compartment 110.

The duct assembly is disposed in the cabinet 100 and can provide cooling energy to the refrigerating chamber 110 and the freezing chamber 120. The specific structure and positional relationship of the air duct assembly are referred to the structure and positional relationship of the air duct assembly in the related art, and are not described herein again.

The refrigeration assembly comprises a compressor, a condenser, an evaporator, a capillary tube and the like. The specific structure and connection relationship of the refrigeration assembly refer to the refrigeration assembly in the related art, and are not described in detail herein.

Referring to fig. 1 to 3 again, a refrigerating inner container 130 is disposed in the box body 100, and a partition plate 140 is disposed in the refrigerating inner container 130; the partition 140 divides the refrigerating compartment 110 and the refrigerating duct 210 into front and rear compartments in the refrigerating inner container 130.

In this embodiment, the air curtain assembly 300 includes an air curtain housing 310 attached to the top surface of the inner side of the refrigerating inner container 130, and an air curtain fan 320 disposed in the refrigerating duct 210. The air curtain housing 310 is provided with a passage with an upper end opened, and an air curtain duct 330 is enclosed between the air curtain housing 310 and the upper side wall of the refrigeration liner 130. An air curtain duct 330 is formed at the top end of the refrigerating compartment 110. The front end of the air curtain duct 330 is provided with an air curtain outlet 340 for discharging air downwards, the front end of the refrigerating chamber 110 is provided with an air curtain outlet 340 for discharging air downwards, after the refrigerating door is opened, the air curtain outlet 340 discharges air downwards, and an air curtain is formed at the front end of the refrigerating chamber 110.

The air curtain duct 330 is formed by the air curtain housing 310 and the upper wall of the refrigerating inner container 130, so that the material consumption is reduced, and the cost is saved. The upper portion of the air curtain housing 310 is sealed by the refrigerating inner container 130, so that the air curtain housing 310 has a smaller thickness in the vertical direction on the basis of ensuring that the air curtain housing 310 has a large gap for air flowing in the vertical direction, thereby effectively ensuring the volume of the refrigerating chamber 110.

In this embodiment, the rear end of the air curtain housing 310 extends into the refrigerating duct 210, the air curtain fan 320 delivers the air in the refrigerating duct 210 to the air curtain duct 330, and the air in the refrigerating duct 210 forms an air curtain at the front end of the refrigerating chamber 110.

Fig. 4 is a schematic structural view of an air curtain housing 310 according to an embodiment of the refrigerator of the present invention. Fig. 5 is a schematic structural diagram of a wind gap cover 311 of an embodiment of the refrigerator according to the present invention.

Referring to fig. 1 to 5, the air curtain housing 310 includes an air flap plate 311 attached to the upper wall of the front side of the refrigeration liner 130, and an air supply pipe 312 attached to the upper wall of the refrigeration liner 130, wherein the front end and the rear end of the air supply pipe 312 are respectively communicated with the refrigeration air duct 210 and the air flap plate 311 so as to be respectively communicated with the air flap plate 311 and the refrigeration air duct 210; the air curtain outlet 340 is opened on the air vent cover 311.

The upper end of the air inlet cover 311 is open, and an air outlet cavity 313 extending along the left-right direction is formed between the air inlet cover 311 and the upper wall of the refrigerating inner container 130. The air curtain outlet 340 extends along the left-right direction and is arranged on the air inlet cover plate 311; the air curtain outlet 340 is communicated with the air outlet cavity 313. The air outlet chamber 313 and the air curtain outlet 340 are extended in the left and right direction to form an air passage arranged in the left and right direction at the front end of the refrigerating compartment 110.

An air inlet 314 communicated with the air supply pipe 312 is formed in the rear side wall of the air outlet cavity 313, and air in the air supply pipe 312 is conveyed to the air outlet cavity 313 through the air inlet 314.

In this embodiment, the air inlets 314 are spaced apart from each other by two, and the two air inlets 314 are spaced apart from each other in the left-right direction. In some embodiments, the intake vents 314 are provided as one or more.

An arc-shaped guide inclined plane 315 is arranged in the air outlet cavity 313 near the air inlet 314, and guides the air conveyed from the air inlet 314, and the guide inclined plane 315 guides the air conveyed along the front-back direction of the air supply pipe fitting 312 to convey along the left-right direction. In this embodiment, the guiding slope 315 is a curved surface, and in some embodiments, the guiding slope 315 is a flat surface.

In this embodiment, the two guiding inclined planes 315 are disposed, and the two guiding inclined planes 315 are disposed opposite to each other to guide the air supplied from the air inlet 314 in the left-right direction. In some embodiments, the guide ramps 315 are provided as one.

In this embodiment, the air inlet cover 311 is provided with a support arm 316 extending rearward for supporting the air supply pipe 312. The support arm 316 is located rearward of the outlet chamber 313.

Referring to fig. 1 to 6, the air supply pipe member 312 is disposed in the front-rear direction, and the air supply pipe member 312 extends in a straight line or an arc line forward. An air supply channel 317 extending in the front-rear direction is formed between the air supply pipe 312 and the upper wall of the refrigerating liner 130, and the rear of the air supply channel 317 is communicated with the refrigerating air duct 210 so as to convey air in the refrigerating air duct 210 into the air flap plate 311.

In this embodiment, the front end of the air supply pipe 312 abuts against the air inlet cover 311 and is supported by the support arms 316, so as to mount the air supply pipe 312 on the air inlet cover 311, in some embodiments, the air inlet cover 311 is provided with a hole at the air inlet 314, and the front end of the air supply pipe 312 extends into and is limited in the hole, so as to mount the air supply pipe 312 on the air inlet cover 311.

In this embodiment, two air supply pipes 312 are provided to face two air inlets 314 of the air inlet cover 311. The two air supply pipe members 312 are spaced apart in the left-right direction and are disposed near the left and right edges of the refrigerator, respectively. In some embodiments, the air supply tubes 312 are arranged in one or more rows to correspond to the air intakes 314.

In this embodiment, the front ends of the inner cavities of the two air supply pipe members 312 are arranged in an inclined manner, so as to guide the air entering the air outlet cavity 313 in the left-right direction, so that the air in the air outlet cavity 313 is uniform, and the air curtain is uniform.

In this embodiment, the air supply pipe 312 is made of a foam material, so as to effectively ensure the heat preservation of the air in the air supply pipe 312, reduce the loss of cold energy, and effectively ensure the low temperature of the air curtain.

In the present invention, the refrigerating duct 210 provides cold energy to the refrigerating compartment 110, so that a refrigerating environment is formed in the refrigerating compartment 110. The air curtain fan 320 provides power for cold air in the air curtain air channel 330, enhances the air output of the air curtain outlet 340, so as to form an air curtain with larger air output at the front end of the refrigerating chamber 110, enhances the heat insulation performance of the air curtain, effectively isolates the air inside and outside the refrigerating chamber 110, and enhances the refrigeration performance of the refrigerator. And the inlet of the air curtain duct 330 is communicated with the refrigerating duct 210, and the air curtain assembly 300 forms an air curtain by using air in the refrigerating duct 210 so as to keep the low temperature of the air curtain, and the temperature of the air curtain is shifted less. Utilize air and air curtain fan 320 in the cold-stored wind channel 210 to form more stable and the bigger wind of air output, make the heat-proof quality of air curtain better, the temperature of effectual control air curtain, thereby the refrigeration effect in the effectual assurance walk-in 110.

The air curtain fan 320 is disposed in the refrigerating duct 210, and the air curtain fan 320 is spaced apart from the refrigerating chamber 110 and is located behind the refrigerating chamber 110. The provision of the air curtain fan 320 does not cause a reduction in the effective volume of the refrigerating chamber 110, ensuring the effective volume of the refrigerating chamber 110.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A refrigerator, characterized by comprising:

a box body, in which a refrigerating chamber with a front opening is formed;

the refrigerating door is covered on the front side of the box body and is rotatably connected to the box body so as to open or close the refrigerating chamber;

the air duct assembly is arranged in the box body and used for providing cold energy for the refrigerating chamber;

the air curtain assembly comprises an air curtain air channel formed at the top end of the refrigerating chamber and an air curtain fan arranged in the air channel assembly; the front end of the air curtain air duct in the refrigerating chamber is provided with an air curtain outlet for discharging air downwards; the inlet of the air curtain air channel is communicated with the air channel assembly; the air curtain fan and the refrigerating chamber are arranged at intervals and are positioned behind the refrigerating chamber.

2. The refrigerator of claim 1, wherein the air duct assembly comprises a refrigerating air duct and a freezing air duct communicated with each other; a refrigerating inner container is arranged in the box body, and a partition plate is arranged in the refrigerating inner container; the partition board is divided into a refrigerating chamber and a refrigerating air duct which are spaced from each other in front and back in the refrigerating inner container; the air curtain air duct is at least partially positioned outside the refrigeration liner.

3. The refrigerator of claim 2, wherein the air curtain assembly further comprises an air curtain housing attached to the top surface of the inner side of the refrigeration liner, the air curtain housing having a channel with an open upper end, and the air curtain duct being enclosed between the air curtain housing and the upper sidewall of the refrigeration liner.

4. The refrigerator of claim 3, wherein the air curtain housing comprises an air inlet cover plate attached to the upper wall of the front side of the refrigerating liner and an air supply pipe attached to the upper wall of the refrigerating liner, and the front end and the rear end of the air supply pipe are respectively communicated with the refrigerating air duct and the air inlet cover plate so as to be respectively communicated with the air inlet cover plate and the refrigerating air duct; the air curtain outlet is arranged on the air port cover plate.

5. The refrigerator according to claim 4, wherein an air supply passage extending in a front-rear direction is formed between the air supply pipe member and an upper wall of the refrigerating inner container; an air outlet cavity extending along the left-right direction is formed between the air inlet cover plate and the upper wall of the refrigerating inner container.

6. The refrigerator as claimed in claim 5, wherein an air inlet communicated with the air supply pipe is formed on a rear side wall of the air outlet chamber; the air outlet cavity is close to the air inlet and is provided with an arc-shaped guide inclined plane for guiding air conveyed from the air inlet.

7. The refrigerator according to claim 6, wherein the air supply pipe members are provided in two at a spacing in the left-right direction; the front ends of the inner cavities of the two air supply pipe fittings are oppositely and obliquely arranged.

8. The refrigerator according to claim 4, wherein the air inlet cover is provided with a support arm extending rearward, and a front end of the air supply duct member abuts against the air inlet cover and is supported by the support arm.

9. The refrigerator of claim 4, wherein the air supply duct member is made of a foam material.