WO2023088217A1

WO2023088217A1 - Door body assembly and refrigerator having same

Info

Publication number: WO2023088217A1
Application number: PCT/CN2022/131806
Authority: WO
Inventors: 赵斌堂; 张方友; 左立华; 王昊; 刘龙; 张延庆
Original assignee: 青岛海尔电冰箱有限公司; 海尔智家股份有限公司
Priority date: 2021-11-16
Filing date: 2022-11-15
Publication date: 2023-05-25
Also published as: CN218096820U

Abstract

Provided are a door body assembly (100) and a refrigerator having same. The door body assembly (100) comprises a door body 10 provided with an ice-making compartment (30), an ice-making compartment door body (20), and an ice maker (31). The door body (10) is provided with an air inlet (32) and an air return port (33), and is further provided with a heating device (40) surrounding the ice-making compartment (30). The heating device (40) is integrally formed with a first heating portion (41) close to the air inlet (32) and a second heating portion (42) distant from the air inlet (32), and the heating power of the first heating portion (41) is greater than the heating power of the second heating portion (42). By means of the arrangement, the condensation phenomenon can be effectively prevented.

Description

Door assembly and refrigerator with same

technical field

The invention relates to a door body assembly and a refrigerator with the same, in particular to a door body assembly with cooling function and a refrigerator with the same.

Background technique

At present, an ice-making compartment is usually provided on the refrigerator, and ice cubes can be produced and stored inside the ice-making compartment to meet the daily use of users. In order to facilitate users to take ice cubes and save space, the ice-making compartment is usually arranged on the door body of the refrigerator. The door of the refrigerator is usually provided with a small door for opening and closing the ice-making compartment. Because the temperature in the ice-making room is generally lower than the temperature of the environment where the ice-making room is located. Therefore, condensation is likely to occur between the small door of the ice-making compartment and the contact part of the ice-making compartment.

In order to prevent the generation of condensation, the prior art generally adopts that a heating device is arranged on the door frame. However, this kind of design has the following defects: no heating device is provided according to the temperature distribution in the ice-making room, resulting in poor anti-condensation effect in some parts and waste of energy.

Contents of the invention

The object of the present invention is to provide a door body assembly which can effectively prevent condensation and save energy, and a refrigerator having the same.

In order to achieve the purpose of the above invention, the present invention provides a door body assembly, which includes a door body formed with an ice-making compartment, an ice-making compartment door for opening and closing the ice-making compartment, and a For the ice machine in the ice-making room, the door body is provided with an air inlet and an air return port connecting the inside and outside of the ice-making room, and the side of the door body facing the door body of the ice-making room is also provided with a surrounding The heating device of the ice-making compartment, the heating device is integrally formed with a first heating part close to the air inlet and a second heating part far away from the air inlet, the heating power of the first heating part is greater than The heating power of the second heating part.

As a further improvement of the present invention, the first heating part and the second heating part are integrally formed with one heating wire, the heating wire is a power equalization heating wire, and the heating wire at the first heating part is set at a density of greater than the density of the heating wires at the second heating part.

As a further improvement of the present invention, the heating device further includes sleeves sleeved outside the first heating part and the second heating part, and first and second wires respectively connected to the two ends of the heating wire , the radial dimension of the casing is uniform.

As a further improvement of the present invention, the door body is recessed toward the closing direction of the ice-making compartment door to form an installation groove, the heating device is arranged in the installation groove, and the installation groove includes a The first installation slot provided in cooperation, the second installation slot provided in cooperation with the first wire, and the third installation slot provided in cooperation with the second wire.

As a further improvement of the present invention, a cover plate is provided on the door body, and the cover plate covers the installation groove and fixes the heating device in the installation groove.

As a further improvement of the present invention, the cover plate is connected to the door main body through double-sided adhesive tape.

As a further improvement of the present invention, the maximum radial dimension of the first wire is larger than the maximum radial dimension of the second wire.

As a further improvement of the present invention, the door main body has a bottom wall surrounding the ice-making compartment, and an ice outlet connecting the interior and exterior of the ice-making compartment is provided on the bottom wall, and the heating device is close to the ice-making compartment. A third heating part is formed at the ice outlet, the heating power of the third heating part is greater than that of the second heating part, the third heating part and the second heating part and the first heating part The heating part is integrally formed.

To achieve the purpose of the above invention, the present invention also provides a refrigerator, which includes a box body. The refrigerator also includes the above-mentioned door body assembly, and the door body assembly is pivotally arranged on the box body.

As a further improvement of the present invention, the box body is formed with a refrigerating room, and the door assembly is used to open and close the refrigerating room.

Compared with the prior art, the beneficial effect of the present invention is that it can provide a door body assembly that can effectively prevent condensation and save energy, and a refrigerator with the same.

Description of drawings

Below in conjunction with accompanying drawing, specific embodiment of the present invention is described in further detail, wherein:

Fig. 1 is the structural representation of refrigerator of the present invention;

Fig. 2 is a schematic structural view of the door assembly of the present invention in Fig. 1;

Fig. 3 is a three-dimensional exploded view of the door assembly in Fig. 2;

Fig. 4 is a structural schematic diagram of the ice-making compartment housing and the ice maker of the door assembly in Fig. 3;

Fig. 5 is a structural schematic diagram of the heating device of the door assembly in Fig. 3 .

Detailed ways

The present invention will be described in detail below in conjunction with specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.

Fig. 1 is a structural schematic diagram of the refrigerator of the present invention.

As shown in FIG. 1 , the refrigerator of the present invention includes a box body 200 and a pivotable door assembly 100 disposed on the box body 200 .

The refrigerator can be a single-door refrigerator or a multi-door refrigerator, such as a two-door refrigerator, a three-door refrigerator, and a side-by-side refrigerator. Correspondingly, the box body 200 may have single or multiple compartments such as a refrigerating room, a freezing room, and a temperature-changing room.

Preferably, the refrigerator is a multi-door refrigerator. The box body 200 has a refrigerator compartment 201 and a freezer compartment 202 . The refrigerator compartment 201 is located above the freezer compartment 202 . The door body assembly 100 of the present invention is pivotably arranged on the box body 200 through a door hinge and is used for opening and closing the refrigerator compartment 201 . Such setting meets the requirements of ergonomics and is convenient for users to use.

FIG. 2 is a schematic structural diagram of the door assembly 100 of the present invention in FIG. 1 .

As shown in FIG. 2 , the door assembly 100 includes a door body 10 formed with an ice-making compartment 30 , an ice-making compartment door 20 for opening and closing the ice-making compartment 30 , and an ice-making compartment door 20 arranged on the For the ice maker 31 in the ice making compartment 30 , the door body 10 is provided with an air inlet 32 and an air return opening 33 communicating with the inside and outside of the ice making compartment 30 .

The air inlet 32 and the air return 33 are arranged on the side wall of the ice making compartment 30 close to the door hinge. An air duct is provided between the box body 200 and the refrigerating chamber 201, and the evaporator of the refrigerator is arranged in the air duct. An opening communicating with the air duct is provided on the side wall of the box body 200 close to the door hinge.

When the door body assembly 100 is closed on the box body 200 , the air inlet 32 and the air return port 33 communicate with the air duct through the opening. The cold air generated by the evaporator is transported to the ice-making compartment 30 through the air duct through the air inlet 32, thereby supplying cooling to the ice machine 31 arranged in the ice-making compartment 30, so that the ice machine 31 can ice making. With such arrangement, it is convenient for the user to take out ice, and at the same time, the occupation of the storage space of the refrigerator by the ice-making compartment 30 is reduced.

FIG. 3 is an exploded perspective view of the door assembly 100 in FIG. 2 .

As shown in FIG. 3 , the door body 10 includes an outer shell 11 and an inner lining 12 oppositely arranged. The inner liner 12 is connected to the outer shell 11 .

The door body 10 also includes an ice-making compartment case 34 disposed around the ice-making compartment 30 . The ice-making compartment casing 34 is disposed between the outer shell 11 and the inner liner 12 . The ice-making compartment shell 34 and the inner liner 12 may be separated, and the ice-making compartment shell 34 is detachably connected to the inner liner 12 through a connecting structure. The ice-making compartment shell 34 and the inner liner can also be integral, and the ice-making compartment shell 34 is formed by the inner liner 12 being recessed toward the outer shell 11 .

A heating device 40 surrounding the ice-making room 30 is also provided on the side of the ice-making room shell 34 facing the ice-making room door 20 . The heating device 40 can continuously generate heat so as to increase the temperature of the location where the heating device 40 is located, and reduce the temperature difference between the location where the heating device 40 is located and the external environment where the ice-making compartment 30 is located. Such an arrangement can prevent condensation between the ice-making compartment housing 34 and the ice-making compartment door 20 and improve user experience.

Preferably, a cover plate 50 is also provided on the ice-making room housing 34, and the cover plate 50 is connected to the side of the ice-making room housing 34 facing the ice-making room door 20 and covers all The heating device 40 described above.

The cover plate 50 has an appearance surface facing the ice-making compartment door 20 and a connecting surface 51 facing the ice-making compartment housing 34 . The exterior surface is a smooth plane, and the ice-making compartment door 20 has a door seal 21 to prevent cold air from leaking inside the ice-making compartment 30 . The door seal 21 has certain elasticity. When the door body 20 of the ice-making compartment is closed, the door seal 21 is against the appearance surface of the cover plate. Such setting can realize the hidden installation of the heating device 40, protect the heating device 40, and at the same time better cooperate with the door seal 21 of the door body 20 of the ice-making compartment to prevent cold air from leaking.

Preferably, the connecting surface 51 of the heating device is pasted with double-sided adhesive, and the cover plate 50 is connected to the door main body 20 through the double-sided adhesive. The double-sided adhesive tape has a certain thickness. Such arrangement can play a certain role of heat preservation for the heating device 40, and meanwhile, the structure is simple, the installation is convenient, and the cost is low.

Of course, buckles 52 may also be provided on the connection surface 51 . The cover plate 50 is connected to the refrigerating compartment housing 34 through the buckle 52 .

FIG. 4 is a structural schematic diagram of the ice-making compartment housing 34 and the ice maker 31 of the door assembly 100 in FIG. 3 .

As shown in FIG. 4 , the ice-making compartment casing 34 includes an upper wall 341 , a bottom wall 342 , a left side wall 343 , a right side wall 344 , and a rear wall 345 disposed around the ice-making compartment 30 . The air inlet 32 and the air return 33 are disposed on the right side wall 344 . The return air opening 33 is disposed below the air intake opening 32 . The ice maker 31 is connected to the rear wall 345 and arranged around the air inlet 32 .

Preferably, the ice-making compartment housing 34 is recessed toward the closing direction of the ice-making compartment door 20 to form an installation groove 346 , and the heating device 40 is disposed in the installation groove 346 . The installation groove 346 surrounds the opening of the refrigeration compartment 30 . The size of the installation groove 346 is matched with the heating device 40 .

The cover plate 50 covers the installation slot 346 and fixes the heating device 40 in the installation slot 346 . Such setting can realize stable installation of the heating device 40 , space saving, simple structure, and convenient assembly and disassembly.

FIG. 5 is a schematic structural diagram of the heating device 40 of the door assembly 100 in FIG. 3 .

The heating device 40 is integrally formed with a first heating part 41 close to the air inlet 32 and a second heating part 42 far away from the air inlet 32, the heating power of the first heating part 41 is greater than that of the second heating part 42 heating power. Since the cold air is blown out from the air inlet 32, the temperature at the position close to the air inlet 32 is the lowest, and the temperature at the position away from the air inlet 32 is relatively high. With this structural design, the heating device can be reasonably adjusted according to the temperature distribution in the ice-making room, thereby effectively preventing condensation and saving energy.

Preferably, the first heating part 41 and the second heating part 42 are integrally formed by one heating wire, the heating wire is a uniform power heating wire, and the density of the heating wires at the first heating part 41 is greater than The density of the heating wires at the second heating part 42 is set. The heating wire is tightly wound near the air inlet 32 to form the first heating portion 41 . The heating wire is loosely wound away from the air inlet 32 or only a single heating wire extends to form the second heating portion 42 . Such setting can reduce the space occupied by the heating device 40, and has a simple structure, convenient installation, and low cost.

The heating device 40 also includes a sleeve sheathed on the outside of the first heating part 41 and the second heating part 42 and a first wire 44 and a second wire 45 respectively connected to both ends of the heating wire. The radial dimension of the casing is uniform. The casing is made of PVC material, and the heating wire and the wire are processed by an integrated process. With such an arrangement, the protection of the heating wire can be realized, and at the same time, the structure is simple, the installation is convenient, and the cost is low.

Preferably, the maximum radial dimension of the first conducting wire 44 is larger than the maximum radial dimension of the second conducting wire 45 . Compatible with the structure of the heating wire, the installation slot 346 includes a first installation slot 3461 cooperating with the sleeve, a second installation slot 3462 cooperating with the first wire 44 and the first installation slot 3462. The third installation slot 3463 is provided in cooperation with the two wires 45 . The maximum radial dimension of the second installation groove 3462 is greater than the maximum radial dimension of the third installation groove 3463 . Adopting this structural design can effectively prevent the installation direction of the first heating part 41 and the second heating part 42 of the heating device from being wrongly installed, and has a simple structure, convenient installation and low cost.

Of course, it is also possible to prevent wrong installation of the heating device 40 by affixing an error-proof mark on the corresponding parts of the heating device 40 and the ice-making compartment housing 34 .

As shown in FIG. 4 , the bottom wall 342 may also be provided with an ice outlet 347 communicating with the inside and outside of the ice-making compartment 30 . Correspondingly, the heating device 40 may further form a third heating part 43 near the ice outlet 347, the heating power of the third heating part 43 is greater than the heating power of the second heating part 42, so The third heating part 43 is integrally formed with the second heating part 42 and the first heating part 41 . Since the ice cubes produced by the ice maker can be output through the ice outlet, the temperature near the ice outlet 347 is relatively low. With this structural design, the heating device 40 can be reasonably arranged according to the temperature distribution in the ice-making compartment 30, thereby effectively preventing condensation and saving energy.

To sum up, the technical solution provided by the present invention can effectively solve the problems of poor anti-condensation effect and energy waste. Adopting the technical solution provided by the invention can effectively prevent condensation and save energy, and meanwhile has simple structure, convenient installation and low cost.

It should be understood that although this description is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions of the feasible implementation modes of the present invention, and they are not intended to limit the protection scope of the present invention. All changes should be included within the protection scope of the present invention.

Claims

A door body assembly, comprising a door body formed with an ice-making room, an ice-making room door for opening and closing the ice-making room, and an ice maker set in the ice-making room, the The main body of the door is provided with an air inlet and an air return port connecting the inside and outside of the ice-making room. A heating device, the heating device is integrally formed with a first heating part close to the air inlet and a second heating part far away from the air inlet, the heating power of the first heating part is greater than that of the second heating part heating power.
The door body assembly according to claim 1, wherein the first heating part and the second heating part are integrally formed by one heating wire, the heating wire is a heating wire with equal power, and the first The arrangement density of the heating wires at the heating part is greater than the arrangement density of the heating wires at the second heating part.
The door body assembly according to claim 2, wherein the heating device further comprises sleeves sleeved on the outside of the first heating part and the second heating part and respectively connected to the two heating wires. The first wire and the second wire at the end, the radial size of the sleeve is uniform.
The door body assembly according to claim 3, wherein the door body is recessed toward the closing direction of the door body of the ice-making compartment to form an installation groove, the heating device is arranged in the installation groove, and the The installation slot includes a first installation slot cooperating with the bushing, a second installation slot cooperating with the first wire, and a third installation slot cooperating with the second wire.
The door body assembly according to claim 4, wherein a cover plate is provided on the door body, and the cover plate covers the installation groove and fixes the heating device in the installation groove.
The door body assembly according to claim 5, wherein the cover plate is connected to the door main body by double-sided adhesive.
The door assembly of claim 3, wherein the maximum radial dimension of the first wire is greater than the maximum radial dimension of the second wire.
The door body assembly according to claim 1, wherein the door body has a bottom wall surrounding the ice-making compartment, and the bottom wall is provided with an ice discharge port that communicates with the inside and outside of the ice-making compartment. A third heating part is formed near the ice outlet of the heating device, the heating power of the third heating part is greater than that of the second heating part, and the third heating part and the first heating part The second heating part and the first heating part are integrally formed.
A refrigerator comprising a box body, characterized in that the refrigerator further comprises the door body assembly according to claim 1, and the door body assembly is pivotably arranged on the box body.
The refrigerator according to claim 9, wherein the box body forms a refrigerating chamber, and the door assembly is used to open and close the refrigerating chamber.