CN114719504A

CN114719504A - Refrigerator

Info

Publication number: CN114719504A
Application number: CN202110021001.4A
Authority: CN
Inventors: 王宁; 徐志国; 杨发林
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2022-07-08

Abstract

The invention discloses a refrigerator, wherein a door body of the refrigerator comprises a first door body, a second door body arranged on the first door body, an opening and closing detection piece used for detecting the opening and closing state of the first door body, an electromagnet arranged on one of the first door body and the second door body, and a magnetic adsorption piece arranged on the other door body; when the first door body is opened, the electromagnet is in a magnetic force state, and when the electromagnet is in the magnetic force state, the electromagnet adsorbs the magnetic adsorption piece. When having avoided opening the first door body, the problem of the second door body departure, and avoided opening the first door body and can not see the negative effects that the concrete position of the second door body brought to and it is more convenient to close the refrigerator door, can not appear closing two trouble-operated problems of door.

Description

Refrigerator with a door

Technical Field

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

Background

At present, the refrigerator with the small door arranged on the large door is used, food can be taken without opening the large door of the refrigerator in the using process, articles can be checked or taken only by opening the small door, excessive cold air is prevented from being leaked when the large door is opened, the compressor needs to be started frequently, and excessive external water vapor is brought into the refrigerator when the energy consumption is high.

When the door is opened, the small door of the refrigerator does not need to be opened at the same time, and when a user opens the refrigerator door body to take the internal food materials, the two door bodies are inconvenient to take into account at the same time, so that inconvenience is caused to use.

Particularly, on one hand, the small door is not useful when the large door is opened, and the user generally can only obtain the internal articles through one opening and does not need to simultaneously take the articles through two doors, so that the large door and the small door are not necessary to be separated, and the large door and the small door are more convenient to be integrated. And when opening the refrigerator door, the temperature in the refrigerator is low, inside atmospheric pressure is often less than external atmospheric pressure, and the magnetism sealing strip between refrigerator door and the box, all make and need great power when opening the refrigerator door, so in the twinkling of an eye of opening the refrigerator door, the acceleration is also great, and after opening the door, the atmospheric pressure of the door body both sides is balanced, and has lost the effect of magnetic force, the user can control the gate and do not need too fast motion this moment, and because there is inertial effect, little door still further opens forward when leading to there being gate deceleration motion, until the condition with the gate separation.

On the other hand, when the refrigerator door is closed, if the operation of closing the two doors, namely the main door and the small door, is complicated, and a user can take articles in the refrigerator, the user can notice the opening range of the main door, but cannot notice the opening and closing state of the small door on the other side of the main door, and if the user does not pay attention to the position of the small door, the small door can interfere with other articles or hit other articles.

The existing refrigerator with the large door and the small door is inconvenient to operate, and the use experience of a user is influenced.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide a refrigerator which is convenient to control the opening and closing states of a small door and is simple and convenient to operate.

In order to achieve the above object, an embodiment of the present invention provides a refrigerator, where the refrigerator includes a box body having an opening, and a door body that closes the opening, where the door body includes a first door body that closes at least a part of the opening, and a second door body disposed on the first door body, the refrigerator further includes an open/close detection part for detecting an open/close state of the first door body, an electromagnet disposed on one of the first door body and the second door body, and a magnetic adsorption part disposed on the other door body;

the first door body includes at least the seal part the open-ended closure condition and keep away from the open-ended opening condition, the electro-magnet is including the magnetic force state that produces magnetic force and the shutdown state that does not produce magnetic force, in closure condition, the electro-magnet is in the shutdown state, in opening condition, the electro-magnet is in the magnetic force state, works as when the electro-magnet is in the magnetic force state, the electro-magnet adsorbs the magnetism adsorbs the piece.

As a further improvement of the present invention, a storage opening is provided on a surface of the first door body, and the second door body closes the storage opening.

As a further improvement of the invention, the first door body comprises an object placing cavity, the object placing cavity is communicated with the outside through the object placing opening, and the object placing cavity is communicated with the cold air in the box body.

As a further improvement of the invention, the second door body is provided with a magnetic sealing strip which surrounds the article placing opening by one circle.

As a further improvement of the invention, a lamp source is arranged in the article placing cavity, and glass materials are arranged at the positions of the first door body and the article placing opening.

As a further improvement of the present invention, a first hinge is disposed at one end of the article-holding opening, the second door body is rotatably connected to the first door body through the first hinge, the electromagnet is disposed at the other end of the article-holding opening away from the hinge, and the magnetic adsorption member is disposed at a position of the second door body opposite to the electromagnet.

As a further improvement of the present invention, the first door body is connected to the box body by a second hinge, and the opening/closing detection member is disposed at the second hinge.

As a further improvement of the present invention, the magnetic attraction member is provided as a second electromagnet.

As a further improvement of the present invention, a side of the first door body facing the outside is coplanar with a side of the second door body facing the outside.

As a further improvement of the present invention, the opening/closing detection member is provided as a magnetic sensor.

As a further improvement of the present invention, the refrigerator further comprises a memory and a processor, the memory stores a computer program operable on the processor, the processor controls the electromagnet to be in the magnetic state when acquiring the on signal, and controls the electromagnet to be in the off state when acquiring the off signal.

In order to achieve one of the above objects, an embodiment of the present invention provides a method for controlling a refrigerator, including:

acquiring a state signal of a first door body;

when the state signal is a closing signal, controlling the electromagnet to be in a shutdown state;

and when the state signal is an opening signal, controlling the electromagnet to be in a magnetic force state.

Compared with the prior art, the invention has the following beneficial effects: when the first door body is opened, the opening and closing detection part acquires that the refrigerator door is opened, the electromagnet is switched to a magnetic force state at the moment, the second door body and the first door body are adsorbed together by the magnetic force, and the second door body is adsorbed together with the first door body by a larger force, so that the problem that the second door body flies out when the first door body is opened is solved; and, after opening the second door body, when opening the first door body again, although two doors have been opened simultaneously this moment, the electro-magnet has also been in operating condition this moment, sent the magnetic force that adsorbs first door body and second door body together, when first door body moves to a certain position that is close the second door body, two door bodies can be inhaled together, become a whole, only need close a door when closing the door like this, avoided opening the negative effects that the specific position that the first door body can not see the second door body brought, and it is more convenient to close the refrigerator door.

Drawings

FIG. 1 is a schematic structural view of a refrigerator door according to an embodiment of the present invention;

fig. 2 is a schematic structural view illustrating a second door body of the refrigerator according to an embodiment of the present invention being opened;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic structural diagram of the refrigerator according to the embodiment of the invention, in which the first door is opened;

wherein, 1, a first door body; 11. a storage port; 12. a storage cavity; 13. a first hinge; 14. a second hinge; 2. a second door body; 21. a magnetic seal strip; 3. a box body; 4. an electromagnet; 41. a magnetic adsorption member; 5. and opening and closing the detection member.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.

It will be understood that terms used herein such as "upper," "above," "lower," "below," and the like, refer to relative positions in space and are used for convenience in description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

An embodiment of the invention provides a refrigerator which is convenient for controlling the opening and closing states of a small door and is simple and convenient to operate, the closing of a large door of the refrigerator is realized, the small door is convenient to open, the small door cannot pop up after the large door is opened, and only one door needs to be closed if the small door is opened first and then the large door is opened.

Specifically, the refrigerator of the present embodiment includes a box body 3 having an opening, and a door body for closing the opening, where the door body includes a first door body 1 for closing at least part of the opening, and a second door body 2 disposed on the first door body 1, and the first door body 1 and the second door body 2 are only referred to by names, and in the corresponding background art, the first door body 1 of the present embodiment may also be understood as a large door, and the second door body 2 may be understood as a small door, where the size is opposite, and in an extreme case, the first door body 1 may be equal to the second door body 2.

Clearly expressing the position and direction described in the present embodiment, in the process of defining the door body to be converted from the state of closing the opening to the state of opening, the direction far away from the opening is the front, the direction of the opening relative to the door body is the rear, the reference refrigerator is placed on the horizontal ground, the direction according to the gravity is defined as the lower direction, and the opposite direction is defined as the upper direction, and further taking the side-by-side refrigerator as an example, the refrigerator is aligned from the front, the directions of both sides are the left side and the right side respectively, as shown in fig. 1 to fig. 4, the second door body 2 is disposed on the door body on the right side.

The refrigerator of the embodiment further comprises an opening and closing detection piece 5 for detecting the opening and closing state of the first door body 1, an electromagnet 4 arranged on one of the first door body 1 and the second door body 2, and a magnetic adsorption piece 41 arranged on the other door body; the opening and closing detection piece 5 judges the opening and closing state of the first door body 1, when the first door body 1 is opened, the opening signal is output, when the first door body 1 is closed, the closing signal is output, or the opening and closing detection piece 5 is set as an angle sensor, a certain angle is set as a door closing state, when the angle changes, namely, the first door body 1 is opened, the electromagnet 4 can generate magnetic force after being electrified, and is mutually attracted with the magnetic adsorption piece 41, the magnetic adsorption piece 41 can be iron cobalt nickel, can be a magnet which is attracted with the electromagnet 4 in a different pole way, can be an electromagnet 4 which can also generate magnetic force after being electrified, and if the electromagnet is set as the second electromagnet 4, the mutual attraction effect of the first door body 1 and the second door body 2 is realized.

First door body 1 includes the closing state of at least the closing part open-ended, and keep away from the open-ended state of opening, including the magnetic force state that produces magnetic force and the shutdown state that does not produce magnetic force when refrigerator electro-magnet 4, in the closing state, electro-magnet 4 is in the shutdown state, at this moment, first door body 1 is closed, switching detection piece 5 acquires to be in the refrigerator door closing state, can control not to energize electro-magnet 4, or restrain among the circuit of electro-magnet 4 that electro-magnet 4 sends the magnetic force that attracts magnetic adsorption piece 41, thereby can not open because of the magnetic force hindrance that electro-magnet 4 sent when making second door body 2 open.

In the open state, the electromagnet 4 is in a magnetic state, when the electromagnet 4 is in the magnetic state, the electromagnet 4 adsorbs the magnetic adsorption member 41, at this time, the electromagnet 4 is energized, and sends out the magnetic force adsorbing the magnetic adsorption member 41, and the open state is acquired by the open/close detection member 5. When the first door body 1 is opened, the opening and closing detection part 5 obtains that the refrigerator door is opened, the electromagnet 4 is switched to a magnetic force state at the moment, the second door body 2 and the first door body 1 are adsorbed together by the magnetic force, and the second door body 2 is attracted together with the first door body 1 by the larger force, so that the problem that the second door body 2 flies out when the first door body 1 is opened is solved.

In addition, when opening second door body 2 after, when opening first door body 1 again, although opened two doors simultaneously this moment, electro-magnet 4 has also been in operating condition this moment, sent the magnetic force that adsorbs first door body 1 and second door body 2 together, when first door body 1 moved to a certain position that is close second door body 2, two door bodies can be inhaled together, become a whole, only need close a door when closing the door like this, avoided opening first door body 1 and can not see the negative effects that the specific position of second door body 2 brought to and it is more convenient to close the refrigerator door.

Further, referring to fig. 2 to 3, an object placing opening 11 is formed in the surface of the first door body 1, the second door body 2 is sealed to form the object placing opening 11, the object placing opening 11 can form a small opening, and a large opening opened relative to the first door body 1 can observe or take part of objects in the refrigerator through the small opening of the object placing opening 11, so that the objects need to be frequently taken out, or the objects can be taken out only by opening the second door body 2 as required, and the objects can be taken out through the object placing opening 11, or the storage condition in the refrigerator can be observed through the object placing opening 11.

And, as shown in fig. 4, the first door body 1 includes the storage cavity 12, the storage cavity 12 communicates with the outside through the storage opening 11, the storage cavity 12 communicates with the air conditioning in the cabinet 3, the storage cavity 12 can be a small room separately opened on the first door body 1, the small room is fixed on the first door body 1, the space in the small room is set as the storage cavity 12, the storage cavity 12 can obtain the air conditioning in the refrigeration room, and an air conditioning channel can also be provided, the air conditioning output from the evaporation chamber is directly blown into the storage cavity 12, so that other articles such as cosmetics and the like can be placed on the door body and distinguished from the food materials in the refrigerator. And especially under the condition that has set up the thing chamber 12, in traditional prior art scheme, refer to the background art said, when pulling open first door body 1, second door body 2 probably is thrown away because of inertia, and the article in the thing chamber 12 is the risk of being thrown away more probably now, and the second door body 2 of this embodiment is because being held firmly by electro-magnet 4, so can not be thrown away, has also protected the article in the thing chamber 12 and has not dropped the risk, and the design of putting the thing chamber 12 can be placed more, heavier article, and need not be because worry about dropping the article that the restriction was put, and this space can be used rationally further.

Further, the second door body 2 is provided with the magnetic sealing strip 21 which surrounds the article placing opening 11, when the first door body 1 is closed, the electromagnet 4 does not emit magnetic force, the second door body 2 is adsorbed on the first door body 1 through the magnetic sealing strip 21, and sealing when the door bodies are closed is guaranteed. The magnetic force of the magnetic sealing strip 21 is generally small, and the magnetic force cannot be too large due to the fact that the refrigerator door is convenient to open, and the first door body 1 and the second door body 2 do not have the separation requirement when the electromagnet 4 sends out the magnetic force, so that the magnetic force can be far larger than the suction force of the general magnetic sealing strip 21, and the magnetic force sent by the two magnetic sealing strips is completely different.

And, set up the lamp source in putting the thing chamber 12, first door body 1 sets up the glass material with the position of putting the thing mouth 11, does not open second door body 2 like this, can put the condition of putting through the interior article of thing chamber 12 through second door body 2 observation.

Further, one end of the article holding opening 11 is provided with a first hinge 13, the second door body 2 is rotatably connected to the first door body 1 through the first hinge 13, the other end of the article holding opening 11, which is far away from the hinge, is provided with an electromagnet 4, the position of the second door body 2, which is opposite to the electromagnet 4, is provided with a magnetic adsorption part 41, the first door body 1 is connected with the box body 3 through a second hinge 14, and the opening and closing detection part 5 is arranged at the second hinge 14. When the first door body 1 is arranged on the right side of the refrigerator, the first door body 1 and the second door body 2 are opened from left to right, the electromagnet 4 is arranged on the first door body 1, the wiring of the first door body 1 is convenient to penetrate, the second door body 2 is connected to the inside of the refrigerator body 3 through the second hinge 14, and wiring and installation are not needed in the second door body 2. And the opening and closing detection piece 5 is arranged at the second hinge 14, the opening and closing detection piece 5 can be arranged into a magnetic sensor, an angle sensor and the like, and the opening and closing detection piece and the second hinge 14 are designed in a modularized and integrated manner, so that the production and the installation are convenient.

The side of the first door body 1 facing the outside is coplanar with the side of the second door body 2 facing the outside as shown in fig. 1, which makes the appearance more beautiful.

And the refrigerator also comprises a memory and a processor, wherein the memory stores a computer program which can run on the processor, when the processor acquires an opening signal, the electromagnet 4 is controlled to be in a magnetic force state, and when the processor acquires a closing signal, the electromagnet 4 is controlled to be in a stop state.

Further, the present embodiment provides a control method of a refrigerator, including the steps of:

acquiring a state signal of the first door body 1;

when the state signal is a closing signal, controlling the electromagnet 4 to be in a shutdown state;

when the state signal is an opening signal, the electromagnet 4 is controlled to be in a magnetic state.

Specifically, the processor acquires a status signal sent by the opening/closing detection member 5;

the processor controls the state of the electromagnet 4 according to whether the state signal is a closing signal or an opening signal, when the opening and closing detector sends out the closing signal, the processor controls the electromagnet 4 to be in a stop state, and when the opening and closing detector sends out the opening signal, the processor controls the electromagnet 4 to be in a magnetic force state.

Compared with the prior art, the embodiment has the following beneficial effects:

when having avoided opening first door body 1, the problem of second door body 2 departure, and avoided opening first door body 1 and can not see the negative effects that the concrete position of second door body 2 brought to and it is more convenient to close the refrigerator door, can not appear closing two door troublesome poeration's problem.

And furthermore, a larger storage cavity 12 can be arranged on a door (i.e. the first door body 1) of the refrigerator, the storage cavity 12 is used as a space independent of a refrigerating compartment of the refrigerator to store other articles with refrigerating requirements, such as cosmetics, and the risk that the second door body 2 is thrown away to cause the articles in the storage cavity 12 to be thrown away when the door is opened is avoided.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above-listed detailed description is merely a detailed description of possible embodiments of the present invention, and it is not intended to limit the scope of the invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention are intended to be included within the scope of the present invention.

Claims

1. A refrigerator comprises a refrigerator body (3) with an opening and a door body for closing the opening, wherein the door body comprises a first door body (1) for closing at least part of the opening and a second door body (2) arranged on the first door body (1), and is characterized by further comprising an opening and closing detection piece (5) for detecting the opening and closing state of the first door body (1), an electromagnet (4) arranged on one of the first door body (1) and the second door body (2), and a magnetic adsorption piece (41) arranged on the other door body;

when the first door body (1) is far away from the opening, the electromagnet (4) is in a magnetic force state generating magnetic force, and the electromagnet (4) adsorbs the magnetic adsorption piece (41) in the magnetic force state.

2. The refrigerator according to claim 1, wherein the first door body (1) further comprises a closed state for closing at least a portion of the opening, and the electromagnet (4) comprises a magnetic state for generating a magnetic force and a shutdown state for not generating a magnetic force, and in the closed state, the electromagnet (4) is in the shutdown state, and the electromagnet (4) stops adsorbing the magnetic adsorbing member (41).

3. The refrigerator according to claim 1, wherein a storage opening (11) is formed in the surface of the first door body (1), and the second door body (2) closes the storage opening (11).

4. The refrigerator according to claim 3, wherein the first door body (1) comprises an article placing cavity (12), and the article placing cavity (12) is communicated with the outside through the article placing opening (11).

5. The refrigerator according to claim 4, wherein the storage compartment (12) communicates with cool air inside the cabinet (3).

6. The refrigerator according to claim 3, characterized in that the second door body (2) is provided with a magnetic sealing strip (21) which encircles the article placing opening (11).

7. The refrigerator according to claim 4, wherein a light source is arranged in the storage cavity (12), and glass materials are arranged at the positions of the first door body (1) and the storage opening (11).

8. The refrigerator according to claim 3, wherein a first hinge (13) is disposed at one end of the storage opening (11), the second door (2) is rotatably connected to the first door (1) through the first hinge (13), the electromagnet (4) is disposed at the other end of the storage opening (11) away from the hinge, and the magnetic adsorption member (41) is disposed at a position of the second door (2) opposite to the electromagnet (4).

9. The refrigerator according to claim 1, wherein the first door (1) is connected to the cabinet (3) by a second hinge (14), and the opening/closing detector (5) is provided at the second hinge (14).

10. The refrigerator according to claim 1, characterized in that the magnetic attraction member (41) is provided as a second electromagnet (4).