CN111397277B

CN111397277B - Refrigerator with a door

Info

Publication number: CN111397277B
Application number: CN202010229516.9A
Authority: CN
Inventors: 张月; 张升刚; 韩丽丽; 杨大海; 张守杰; 魏代同
Original assignee: Hisense Refrigerator Co Ltd
Current assignee: Hisense Refrigerator Co Ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2022-08-30
Anticipated expiration: 2040-03-27
Also published as: CN111397277A

Abstract

The invention provides a refrigerator, comprising: a case formed with a freezing chamber; the middle partition board is arranged in the freezing chamber and divides the freezing chamber into a first chamber and a second chamber which are insulated from each other; the cold storage box is positioned in the first cavity and divides the first cavity into a first freezing space positioned in the cold storage box and a temperature adjusting space positioned outside the cold storage box, and the first freezing space is used for storing articles; the heating sheet is arranged in the temperature adjusting space and is attached to the outer surface of the cold storage box; set up the median septum in the freezer, fall into first cavity and second cavity with the freezer, set up the cold-storage box in first cavity, separate into first freezing space and temperature regulation space with first cavity, set up the heating plate in the temperature regulation space for can adjust the temperature in the first freezing space through the heating plate, keep the stability of temperature in the first freezing space, set up first freezing space in the freezer, make full use of box structure, increase storing volume.

Description

Refrigerator with a door

Technical Field

The invention relates to the technical field of refrigerators, in particular to a refrigerator.

Background

The refrigerator is an essential household appliance in daily life of people, and along with the improvement of the life quality of people, the requirement on food preservation is also improved, so that the demand of people on the slightly frozen space of the refrigerator is gradually increased. In the existing refrigerator product, a wide temperature-changing space is designed, wherein the wide temperature-changing space can be used as a micro-freezing space, but the wide temperature-changing space generally has a large volume and occupies the volume of 1/4 of a refrigerator, the volume is generally over 100L, the micro-freezing space has a short food storage period, the volume of 100L is relatively wasted, and a user generally uses the wide temperature-changing space as a freezing space after buying home, so that the refrigerator loses the micro-freezing space; or the refrigerator product will freeze the space setting a little in cold-stored space, nevertheless lack corresponding heat preservation measure, lead to the temperature to be difficult to maintain the default, the temperature fluctuation is great to, freeze the space a little and mostly be store flesh of fish class and eat material, will freeze the space a little and place in cold-stored space, make the flesh of fish class that freezes a little eat material and fruit and vegetable cooked food equidistance nearer, influence user experience.

Disclosure of Invention

In order to solve the technical problems, the invention provides a refrigerator capable of maintaining the temperature of a storage space to be stable.

In order to achieve the purpose, the invention adopts the technical scheme that:

a refrigerator, comprising:

a case formed with a freezing chamber;

the middle partition plate is arranged in the freezing chamber and divides the freezing chamber into a first chamber and a second chamber which are insulated from each other;

the cold storage box is positioned in the first cavity and divides the first cavity into a first freezing space positioned in the cold storage box and a temperature adjusting space positioned outside the cold storage box, and the first freezing space is used for storing articles;

and the heating sheet is arranged in the temperature adjusting space and is attached to the outer surface of the cold storage box.

Set up the median septum in the freezer, fall into first cavity and second cavity with the freezer, set up the cold-storage box in first cavity, separate into first freezing space and temperature regulation space with first cavity, set up the heating plate in the temperature regulation space for can adjust the temperature in the first freezing space through the heating plate, keep the stability of temperature in the first freezing space, set up first freezing space in the freezer, make full use of box structure, increase storing volume.

In some embodiments of the disclosure, the middle partition board is disposed horizontally, the first chamber and the second chamber are disposed up and down, the temperature adjustment space has a first air inlet and a first air return opening therein, and the second chamber has a second air inlet and a second air return opening therein.

The middle partition board is arranged transversely, so that the first cavity and the second cavity are arranged up and down, the first air inlet and the first air return opening are arranged in the temperature adjusting space, air in the temperature adjusting space can circulate, cold air is convenient to introduce to adjust the temperature in the first freezing space, and the stability of the temperature in the first freezing space is maintained.

In some embodiments of the present disclosure, the method further comprises:

an evaporator chamber formed on the case body, in which an evaporator is provided for cooling air supplied to the freezing chamber;

the air duct assembly is mounted on the box body, an air inlet air duct communicated with the evaporator cavity is arranged in the air duct assembly and used for conveying cold air to the freezing chamber, a first air return duct communicated with the evaporator cavity is arranged in the air duct assembly and communicated with the temperature adjusting space through the first air return opening, a second air return duct communicated with the evaporator cavity is formed between the air duct assembly and the box body, and the second cavity is communicated with the second air return duct through a second air return opening.

Through set up the air inlet wind channel on the wind channel subassembly, with the refrigerated air conditioning input freezer of evaporimeter, through set up the first return air wind channel of intercommunication evaporimeter chamber and temperature regulation space on the wind channel subassembly, the second return air wind channel of intercommunication evaporimeter chamber and second cavity for the return air wind channel of temperature regulation space and second cavity only joins in evaporimeter department, can avoid temperature mutual interference between temperature regulation space and the second cavity, guarantee the temperature stability in the first refrigerated space.

In some embodiments of the present disclosure, the air duct assembly includes: the air duct cover plate is arranged on the surface of the temperature adjusting space, the second air inlet is arranged on the surface of the air duct cover plate positioned on the surface of the second chamber, and the air duct foam is arranged between the air duct cover plate and the air duct back plate.

In some embodiments disclosed by the invention, a coolant cavity is arranged in the coolant box, coolant is filled in the coolant cavity, the coolant can buffer the temperature change range in the first chamber, so that the temperature in the first freezing space is stable, and the coolant is arranged in the coolant cavity, so that the contact area between the coolant and the first freezing space is larger, and the transmission of cold and heat is more rapid and uniform while the space is saved.

In some embodiments of the present disclosure, the method further comprises:

the front partition plate is arranged in the freezing chamber and is an annular plate with a through hole, the outer peripheral side of the front partition plate is connected with the box body and the middle partition plate, and the inner peripheral side of the front partition plate is connected with the opening end of the cold storage box to plug the temperature adjusting space;

and the drawer penetrates through the through hole and is contained in the first freezing space.

Through setting up preceding baffle for the air can only pass through first air intake and first return air inlet business turn over temperature regulation space, makes the interior temperature stability of first cavity, sets up the through-hole on preceding baffle, can be to placing object article in the first refrigerated space.

In some embodiments disclosed in the present invention, the drawer includes a drawer panel, a sealing strip is disposed at a position of the drawer panel corresponding to the through hole, the drawer panel in a closed state can seal the through hole, the drawer is disposed to facilitate placement of an object, and the drawer panel and the sealing strip are disposed to seal the first freezing space, so that a temperature in the first freezing space is stable.

In some embodiments of the present disclosure, the method further comprises:

the refrigerator door, the refrigerator door corresponds the position of running-through mouth is equipped with the sealing strip, and the refrigerator door of closed condition can be sealed the running-through mouth sets up the refrigerator door and seals first freezing space with the sealing strip, can increase first freezing space.

In some embodiments of the present disclosure, the method further comprises:

the temperature sensor is arranged in the first freezing space and used for detecting the temperature in the first freezing space;

and the controller is used for controlling the heating of the heating plate according to the temperature of the temperature sensor.

The temperature sensor is arranged in the first freezing space, the temperature is monitored according to the temperature sensor, the heating piece is controlled by the controller to heat, the temperature of the first freezing space can be monitored at any time, and the temperature of the first freezing space is always in an ideal stage.

In some embodiments of the present disclosure, the method further comprises:

the air door is used for opening and closing the first air inlet;

and the fan is arranged in the first freezing space and used for accelerating the air circulation in the first freezing space.

The air door for opening and closing the first air inlet is arranged, so that cold air can be controlled to enter according to needs, the temperature in the first cavity can be conveniently controlled, and resources are saved; the fan is arranged in the first freezing space, so that air circulation in the first freezing space can be accelerated, the temperature response speed in the first freezing space is improved, and the efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a front view of an embodiment of a refrigerator according to the present invention;

fig. 2 is a schematic structural view of another embodiment of a refrigerator according to the present invention;

fig. 3 is a partial structural view of another embodiment of the refrigerator according to the present invention;

fig. 4 is an exploded view of a partial structure of another embodiment of the refrigerator according to the present invention;

fig. 5 is a partial structural view of another embodiment of the refrigerator according to the present invention;

fig. 6 is a sectional view of another embodiment of a refrigerator according to the present invention;

FIG. 7 is a partial schematic structural view of one embodiment of the air duct assembly of the present invention;

fig. 8 is a partial structural view of another embodiment of the refrigerator according to the present invention;

fig. 9 is a schematic structural view of a cold storage box according to an embodiment of the present invention.

In the above figures: 1. a box body; 2. a freezing chamber; 21. a first chamber; 211. a first air inlet; 212. a first return air inlet; 22. a second chamber; 221. a second air inlet; 222. a second air return inlet; 3. a middle partition plate; 31. a rib is protruded; 4. an evaporator chamber; 5. an air duct assembly; 51. an air duct cover plate; 52. air duct foam; 53. an air duct back plate; 54. a first return air duct; 55. a second return air duct; 56. an air inlet duct; 6. a cold storage box; 61. a first refrigerated space; 62. a coolant chamber; 7. a heating plate; 8. a front bulkhead; 81. a through opening; 9. a drawer; 91. a drawer panel; 10. a sensor holder; 11. a refrigerator door.

Detailed Description

The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

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 to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, a refrigerator includes a heat-insulated cabinet 1, the cabinet 1 including an outer case, a cabinet liner, and a heat-insulating layer (not shown) therebetween, the cabinet 1 defining a plurality of storage compartments heat-insulated from each other for storing food and the like. In this embodiment, the storage compartments are a refrigerating compartment at an upper portion and a freezing compartment 2 at a lower portion, respectively, and are closed by respective corresponding refrigerator doors 11, which are connected to the cabinet and are laterally rotatable. In the present embodiment, the refrigerating compartment is provided with a refrigerating compartment split door, and the freezing compartment 2 is provided with a freezing compartment split door.

The present invention should not be limited to a specific distribution form of the storage room of the refrigerator, and the present invention can also be applied to other forms of refrigerators, such as a refrigerator having a drawer type door, a refrigerator having a single door, and the like.

The refrigerator has an evaporative cooling system forming a closed loop to supply cold air to a storage space. The refrigeration system may generate cold air using latent heat of vaporization of a refrigerant through a cooling cycle; the refrigeration system includes at least a compressor, a condenser, a throttling device, and an evaporator (not shown). Since such a refrigeration system is well known in the art, further description thereof is omitted.

Referring to fig. 3 to 7, a freezing chamber 2 is formed in a case 1, a middle partition plate 3 is provided in the freezing chamber 2, the middle partition plate 3 is transversely provided, the freezing chamber 2 is divided into a first chamber 21 and a second chamber 22 which are vertically provided and thermally insulated from each other by the middle partition plate 3, and a heat insulating layer is provided in the middle partition plate 3, and the heat insulating layer may use a VIP Panel (Vacuum Insulation Panel) to save a volume.

Referring to fig. 8 to 9, a cold storage box 6 is provided in the first chamber 21, the cold storage box 6 divides the first chamber 21 into a first freezing space 61 inside the cold storage box and a temperature adjusting space outside the cold storage box, the first freezing space 61 is used for storing articles, and the temperature adjusting space is used for adjusting the temperature of the first freezing space. The temperature adjusting space has a first inlet 211 and a first return 212, the second chamber has a second inlet 221 and a second return 222, and the first inlet 211 is provided with a damper (not shown) for closing and opening the first inlet 211.

An evaporator chamber 4 is formed in the case 1, and as shown in fig. 6, an evaporator is provided in the evaporator chamber 4 and cools air supplied to the freezing chamber 2.

Be equipped with wind channel subassembly 5 on the box 1, wind channel subassembly 5 is located box 1 and deviates from refrigerator door one side, as fig. 4 and 7, wind channel subassembly 5 includes wind channel apron 51, wind channel foam 52, wind channel backplate 53, wind channel foam 52 is located between wind channel backplate 53 and the wind channel apron 51, wind channel apron 51 is in one side that wind channel subassembly 5 is close to the refrigerator door, two parts are located temperature regulation space and second cavity respectively about the wind channel apron, first air intake 211 and first return air inlet 212 are located wind channel apron 51 and are located the face in temperature regulation space, second air intake 221 is located wind channel apron 5 and is located the face in second cavity 22.

An air inlet duct 56 is arranged in the air duct component 5, the air duct foam and the air duct back plate enclose the air inlet duct 56, the air inlet duct 56 is communicated with the evaporator cavity 4 and used for conveying cold air into the freezing chamber 2, the temperature adjusting space is communicated with the air inlet duct 56 through a first air inlet 211, the second cavity 22 is communicated with the air inlet duct 56 through a second air inlet 221, and the cold air in the air inlet duct 56 enters the temperature adjusting space and the second cavity 22 through the first air inlet 211 and the second air inlet 221 respectively.

A first air return duct 54 is arranged in the air duct assembly 5, the duct foam and the duct back plate form a first air return duct 54, the first air return duct 54 is communicated with the evaporator cavity 4, and the first air return duct 54 is communicated with the temperature regulation space through a first air return opening 212. A second return air duct 55 is arranged between the air duct component 5 and the box body 1, the second return air duct 55 is communicated with the evaporator cavity 4, and the second return air duct 55 is communicated with the second cavity 22 through a second return air inlet 222. The cold air that the evaporimeter blown gets into the temperature regulation space through first air intake 211, and the wind in the temperature regulation space can only get into first return air duct via first return air inlet, then gets back to in the evaporimeter chamber, and the second cavity is different with the return air duct in temperature regulation space, and two return air ducts join in evaporimeter chamber department, avoid temperature mutual interference between temperature regulation space and the second cavity.

The cold accumulation box 6 is provided with a cold accumulation cavity 62, the cold accumulation cavity 62 can be an annular cavity, so that the cold accumulation agent is uniformly distributed on the wall of the cold accumulation box, the cold accumulation agent is filled in the cold accumulation cavity, the phase change temperature of the cold accumulation agent can be-3 ℃, the cold accumulation agent is arranged in the cold accumulation box, the space can be saved, meanwhile, the contact area between the cold accumulation agent and the first freezing space 61 is larger, and the heat transfer is more rapid and uniform. The cold storage box 6 is arranged on the middle partition plate 3, and the convex ribs 31 are arranged on the middle partition plate, so that the contact area between the cold storage box 6 and the middle partition plate 3 can be reduced, and cold air entering the temperature regulation space can surround the cold storage box 6.

Be equipped with preceding baffle 8 in the box 1, preceding baffle 8 is for having the cyclic annular board that runs through mouth 81, and preceding baffle periphery side is connected with box and median septum, and preceding baffle week side is connected with the open end of cold-storage box, with the shutoff of temperature regulation space, runs through mouth 81 and makes first refrigerated space 61 and external intercommunication, has the heat preservation in the preceding baffle 8.

Still include drawer 9, drawer 9 passes to run through mouthful 81 and accepts in first freezing space 61, and drawer 9 includes drawer panel 91, is equipped with the heat preservation in drawer panel 91, and the drawer panel corresponds the position of running through mouthful and is equipped with the sealing strip, and when drawer 9 was in the closed condition, drawer panel 91 can seal and run through mouthful for first freezing space 61 seals.

Be equipped with heating plate 7 in the temperature regulation space, the surface of cold-storage box is located in the subsides of heating plate 7, like fig. 9, heating plate 7 can be to the air in the temperature regulation space and the coolant heating in the cold-storage box 6 for the temperature of coolant risees, further influences the temperature in the first freezing space 61, locate the heating plate 6 surfaces of cold-storage box and can save space, make the heating plate more near and area of contact big with the coolant distance simultaneously, heat transfer is more quick even.

A temperature sensor is arranged in the first freezing space 61, as shown in fig. 8, and is used for detecting the temperature in the first freezing space 61, the temperature sensor can be arranged on the inner wall of the cold storage box 6 through a sensor support 10, and the controller controls the opening and closing of the air door and the heating plate according to the temperature of the temperature sensor. When the temperature sensor detects that the temperature in the first freezing space 61 exceeds a preset value, the evaporator in the refrigerator is started, the air door at the first air inlet is opened, and cold air blown by the evaporator enters the temperature adjusting space through the first air inlet, is blown out from the first air return opening and returns to the evaporator cavity through the first air return channel; when temperature sensor detects that the temperature is less than the default in the first freezing space 61, the heating plate starts, through heating the coolant, improves the temperature in the first freezing space 61, and the temperature regulation of the first freezing space 61 of whole in-process is whole to rely on the radiation heat transfer of the cold-storage box 6 inner wall, and no air exchange with the temperature regulation space avoids the cold wind temperature that the evaporimeter blown to hang down or the local high temperature of heating plate to influence the temperature stability of first freezing space 61.

A fan (not shown) is arranged in the first freezing space 61, the fan can be arranged on the top of the inner wall of the cold storage box, and the fan can accelerate air circulation in the first freezing space 61 and improve the temperature response speed in the first freezing space 61.

In other embodiments of the present invention, a sealing strip is disposed at a position of the refrigerator door 11 corresponding to the through opening 81, and the through opening 81 can be sealed by the refrigerator door in a closed state, so that the volume of the first freezing space can be increased. In order to further increase the volume of the first freezing space, the refrigerator door can be divided according to the size of the through opening 81, and the refrigerator door at the through opening 81 is designed into a thinner bar counter door structure.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. A refrigerator, characterized by comprising:

a case formed with a freezing chamber;

the middle partition plate is arranged in the freezing chamber and divides the freezing chamber into a first chamber and a second chamber which are insulated from each other, and a convex rib is arranged on the middle partition plate;

the cold storage box is positioned in the first cavity and on the convex rib and divides the first cavity into a first freezing space and a temperature adjusting space, the first freezing space is positioned in the cold storage box and is used for storing articles, cold storage agent filled in an annular mode is arranged in the cold storage box, a first air inlet and a first air return opening are formed in the temperature adjusting space, the convex rib is used for reducing the contact area of the cold storage box and the middle partition plate, so that a gap is formed between the lower portion of the cold storage box and the middle partition plate, cold air is blown through the lower portion of the cold storage box, and the cold air entering the temperature adjusting space surrounds the cold storage box;

the air channel assembly is arranged on the box body, an air inlet channel is arranged in the air channel assembly, and the air inlet channel is used for conveying cold air to the temperature regulation space;

the heating sheet is arranged in the temperature adjusting space and is attached to the outer surface of the cold storage box;

the controller is configured to control the evaporator to start when the temperature in the first freezing space exceeds a preset value, the air door at the first air inlet is opened, cold air blown by the evaporator enters the temperature adjusting space through the first air inlet and then is blown out of the first air return opening, the cold air returns to the evaporator cavity through the first air return passage, and the temperature of the first freezing space is reduced through radiation heat transfer of the temperature adjusting space and the first freezing space;

when the temperature in the first freezing space is lower than a preset value, the controller controls the heating sheet to be started to heat the coolant, so that the temperature in the first freezing space is increased.

2. The refrigerator as claimed in claim 1, wherein the middle partition is disposed in a transverse direction, the first chamber and the second chamber are disposed up and down, and the second chamber has a second intake port and a second return port therein.

3. The refrigerator of claim 2, further comprising:

a first return air duct communicated with the evaporator cavity is arranged in the air duct assembly, the first return air duct is communicated with the temperature regulation space through the first return air opening, a second return air duct communicated with the evaporator cavity is formed between the air duct assembly and the box body, and the second cavity is communicated with the second return air duct through the second return air opening.

4. The refrigerator of claim 3, wherein the air duct assembly comprises: the air duct cover plate is arranged on the surface of the temperature adjusting space, the second air inlet is arranged on the surface of the air duct cover plate positioned on the surface of the second chamber, and the air duct foam is arranged between the air duct cover plate and the air duct back plate.

5. The refrigerator according to claim 1, wherein a coolant chamber is provided in the coolant storage box, and a coolant is filled in the coolant chamber.

6. The refrigerator according to claim 1, further comprising:

7. The refrigerator of claim 6, wherein the drawer comprises a drawer panel, a sealing strip is arranged on the drawer panel corresponding to the through opening, and the drawer panel in a closed state can seal the through opening.

8. The refrigerator according to claim 6, further comprising:

and the refrigerator door is provided with a sealing strip corresponding to the through opening, and the refrigerator door in a closed state can seal the through opening.

9. The refrigerator according to claim 1, further comprising:

and the controller controls the heating of the heating plate according to the temperature of the temperature sensor.

10. The refrigerator according to claim 1, further comprising:

the air door is used for opening and closing the first air inlet;

and the fan is arranged in the first freezing space and used for accelerating air circulation in the first freezing space.