CN209054831U - Refrigerator - Google Patents

Abstract

The utility model relates to a refrigerator. Specifically, the refrigerator includes: a box body and a door body; an ice making device, the ice making device is installed inside the door body and has an air inlet and an air outlet, so that the air flow in the box passes through the air inlet Enter the ice making device, and then flow back to the box through the air outlet; an air duct locking device, mounted on the ice making device, configured to open and close the air inlet and/or the air outlet a door opening detection device configured to detect the opening and closing state of the door body; and a control device, electrically connected to the door opening detection device and the air duct locking device, to detect the door when the door opening detection device When the body is opened, the air duct locking device is made to close the air inlet and/or the air outlet. In the case of preventing the door body from being opened, the cold air leaks and the outside air enters to melt the ice, and it can reduce the power consumption of the refrigerator and save energy.

Description

refrigerator

technical field

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

Background technique

A refrigerator is an electrical appliance in which a refrigeration cycle of compression, condensation, expansion, and evaporation of a refrigeration cycle is repeated with a refrigerant in order to store food at low temperatures. Large refrigerators are becoming common, and various types of refrigerators have been developed to meet the needs of users. For example, an ice maker can be installed on the door of the refrigerator. The inventor found that when the door of the refrigerator is opened, the temperature in the ice-making chamber fluctuates greatly, and the ice cubes are easily melted. After research, it is found that the cold air in the ice-making device in the door body is easy to leak out, and the hot air in the external environment is easy to enter the ice-making device of the door.

Utility model content

The utility model aims at overcoming at least one defect of the existing refrigerator, and provides a novel refrigerator, which can prevent the cold air in the door ice making device from leaking and the outside air entering to melt the ice when the door is opened, thereby effectively improving the door opening. System ice efficiency.

To this end, the utility model proposes a refrigerator, which includes a box body and a door body; a storage compartment is arranged in the box body; the door body is installed on the box body to open and close the storage compartment compartment; wherein, the refrigerator also includes:

An ice-making device, the ice-making device is installed inside the door and has an air inlet and an air outlet, so that the airflow in the box enters the ice-making device through the air inlet, and then passes through the outlet. The tuyere flows back to the box;

an air duct locking device, mounted on the ice making device, configured to open and close the air inlet and/or the air outlet;

a door opening detection device configured to detect the open and closed state of the door body; and

A control device is electrically connected to the door opening detection device and the air duct locking device, so that when the door opening detection device detects that the door body is opened, the air duct locking device closes the air inlet and the air duct locking device. /or said air outlet.

Optionally, the air duct locking device includes a damper; or, the air duct locking device includes a plurality of rotatably arranged wind guide blades.

Optionally, the door opening detection device includes an angle sensor configured to detect the rotation angle of the door body; or

The door opening detection device includes a distance sensor configured to detect the distance between the opening side of the door body and the box body.

Optionally, an air supply port and an air return port are provided on the side wall of the storage compartment; and

When the door body closes the storage compartment, the air supply port is facing the air inlet, and the air return port is facing the air outlet.

Optionally, the box further includes a cooling chamber, an ice-making air supply air duct connecting the air supply port and the cooling chamber, and an ice-making return air duct connecting the air return port and the cooling chamber.

Optionally, the control device is further configured to make the air duct locking device close the air inlet and/or the air outlet when the refrigerator is powered off.

Optionally, the storage compartment is a first storage compartment, and the box further has a second storage compartment;

The first storage compartment and the second storage compartment are arranged in sequence along the horizontal transverse direction.

Optionally, the box also has:

a changing greenhouse, which is arranged in the first storage room;

a first return air duct, communicating with the first storage compartment and the cooling chamber; and

The return air duct of the variable greenhouse is connected with the air inlet of the return air duct of the variable greenhouse; on the chamber wall on the upstream side of the device, or on the air duct wall of the first return air duct.

In the refrigerator of the present utility model, because the air duct locking device and the door opening detection device are provided, when the door body is opened, the air inlet and air outlet of the ice making device can be closed to prevent the cold air in the ice making device from leaking. , The air duct locking device can open the air inlet and outlet, so that the cold air in the refrigerator can automatically enter the door ice-making device, which can effectively improve the ice-making efficiency and prevent the cold air from leaking and outside air entering the ice when the door is opened. It can reduce the power consumption of the refrigerator and save energy.

Further, because in the refrigerator of the present invention, the return air of the changing room does not pass through the refrigerating room, and the problem of corruption of the frozen food will not be caused due to the failure of the gear position due to the increase of the refrigerating air pressure. And the return air of the variable greenhouse can smoothly enter the cooling room, the air in and out is smooth, and the temperature control of the variable greenhouse is convenient.

The above and other objects, advantages and features of the present invention will be more apparent to those skilled in the art from the following detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings.

Description of drawings

Hereinafter, some specific embodiments of the present invention will be described in detail by way of example and not limitation with reference to the accompanying drawings. The same reference numbers in the figures designate the same or similar parts or parts. It will be understood by those skilled in the art that the drawings are not necessarily to scale. In the attached picture:

1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1 .

Detailed ways

FIG. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention. As shown in FIG. 1 and referring to FIG. 2 , an embodiment of the present invention provides a refrigerator. The refrigerator may include a box body 20, a door body 30, an ice making device 40, a control device 50, an air duct locking device 60, and a door opening detection device. A storage compartment 21 is provided in the box body 20 for storing articles. The door body 30 may be installed on the box body 20 to open and close the storage compartment 21 . The ice making device 40 can be installed inside the door body 30 and has an air inlet 41 and an air outlet 42 so that the air in the box 20 enters the ice making device 40 through the air inlet 41 and then flows back to the box 20 through the air outlet 42 . The air duct locking device 60 is installed on the ice making device 40 and is configured to open and close the air inlet 41 and/or the air outlet 42 .

The door opening detection device is configured to detect the open and closed state of the door body 30 . The control device 50 can be arranged on the top of the box body 20, and is electrically connected to the door opening detection device and the air duct locking device 60, so that when the door opening detection device detects that the door body 30 is opened, the air duct locking device 60 closes the air inlet 41 and the air duct locking device 60. /or the air outlet 42, and after the door opening detection device detects that the door body 30 is closed, the air duct locking device 60 is made to open the air inlet 41 and/or the air outlet 42. Further, the control device 50 is further configured to make the air duct locking device 60 close the air inlet 41 and/or the air outlet 42 when the refrigerator is powered off.

Because the refrigerator of the embodiment of the present invention has the air duct locking device 60 and the door opening detection device, when the door body 30 is opened, the air inlet 41 and the air outlet 42 of the ice making device 40 can be closed to prevent the cold air in the ice making device 40. When the door is closed, the air duct locking device 60 can open the air inlet 41 and the air outlet 42, so that the cold air in the refrigerator automatically enters the door 30 and the ice making device 40, which can effectively improve the ice making efficiency and prevent the door 30 from opening. In the case of cold air leakage and the entry of outside air, the ice will melt away.

In some embodiments of the present invention, the air duct locking device 60 includes a damper. For example, there are two dampers, which are respectively arranged at the air inlet 41 and the air outlet 42 . In other embodiments, the air duct locking device 60 includes a plurality of rotatably arranged air guide vanes, and the air inlet 41 and the air outlet 42 are opened and closed by the rotational cooperation of the plurality of air guide vanes. Preferably, the air guide vanes also guide the airflow entering the ice making device 40 .

In some embodiments of the present invention, the door opening detection device may include an angle sensor configured to detect the rotation angle of the door body 30, and the control device 50 may determine whether the door body 30 is opened or closed through the rotation angle. In other embodiments, the door opening detection device may include a distance sensor configured to detect the distance between the opening side of the door body 30 and the box body 20, and the control device 50 may determine whether the door body 30 is opened and closed according to the distance .

In some embodiments of the present invention, the side wall of the storage compartment 21 is provided with an air supply port 23 and an air return port 24 . An air inlet 41 and an air outlet 42 are provided on the side wall of the ice making device 40 . When the door body 30 closes the storage compartment 21 , the air supply port 23 is facing the air inlet port 41 , and the air return port 24 is facing the air outlet port 42 . The box 20 also has a cooling chamber, an ice-making air supply air duct that communicates with the air supply port 23 and the cooling chamber, and an ice-making return air duct that communicates between the air return port 24 and the cooling chamber. In some alternative embodiments, the air supply port 23 may communicate with the freezing chamber in the box body 20, so as to utilize the cold energy in the freezing chamber to make ice.

Specifically, the refrigerator may be a side-by-side refrigerator. The above-mentioned storage compartment 21 can be a first storage compartment, and the box body 20 also has a second storage compartment 22; the first storage compartment 21 and the second storage compartment 22 are arranged in sequence along the horizontal and lateral direction. . The first storage compartment 21 may be a refrigerating compartment, the second storage compartment 22 may be a freezing compartment, and the cooling compartment may be disposed at the rear side of the freezing compartment. Correspondingly, the first storage compartment 21 may also be a freezing compartment, and the second storage compartment 22 may be a refrigerating compartment.

In some embodiments of the present invention, the box body 20 also has a variable greenhouse, a first return air duct, a variable greenhouse return air duct and a variable greenhouse inlet air duct. The changing room can be arranged in the first storage compartment 21 . The first return air duct communicates with the first storage compartment 21 and the cooling chamber. The air inlet air duct of the variable greenhouse can be connected to the freezing room and the variable greenhouse, or to the cooling room and the variable greenhouse. The air inlet 41 of the return air duct of the variable greenhouse is communicated with the variable greenhouse; the air outlet 42 of the return air duct of the variable greenhouse is arranged on the chamber wall of the cooling chamber, which is located on the upstream side of the evaporator in the cooling chamber, or is arranged on the first return air on the wall of the air duct. The return air of the variable greenhouse does not pass through the refrigerating room, and the problem of corruption of frozen food will not be caused by the stall failure due to the increase of refrigerated air pressure. And the return air of the variable greenhouse can smoothly enter the cooling room, the air in and out is smooth, and the temperature control of the variable greenhouse is convenient.

By now, those skilled in the art will recognize that although various exemplary embodiments of the present invention have been shown and described in detail herein, without departing from the spirit and scope of the present invention, Numerous other variations or modifications consistent with the principles of the present invention are directly identified or derived from the disclosure of the present invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (8)

1. A refrigerator, comprising a box body and a door body; a storage compartment is arranged in the box body; the door body is installed in the box body to open and close the storage compartment; it is characterized in that, The refrigerator also includes: An ice-making device, the ice-making device is installed inside the door and has an air inlet and an air outlet, so that the airflow in the box enters the ice-making device through the air inlet, and then passes through the outlet. The tuyere flows back to the box; an air duct locking device, mounted on the ice making device, configured to open and close the air inlet and/or the air outlet; a door opening detection device configured to detect the open and closed state of the door body; and A control device is electrically connected to the door opening detection device and the air duct locking device, so that when the door opening detection device detects that the door body is opened, the air duct locking device closes the air inlet and the air duct locking device. /or said air outlet. 2. The refrigerator according to claim 1, characterized in that, the air duct locking device comprises a damper; or The air duct locking device includes a plurality of rotatably arranged air guide vanes. 3. The refrigerator according to claim 1, characterized in that, The door opening detection device includes an angle sensor configured to detect the rotation angle of the door body; or The door opening detection device includes a distance sensor configured to detect the distance between the opening side of the door body and the box body. 4. The refrigerator according to claim 1, characterized in that, An air supply port and an air return port are provided on the side wall of the storage compartment; and When the door body closes the storage compartment, the air supply port is facing the air inlet, and the air return port is facing the air outlet. 5. The refrigerator according to claim 4, characterized in that, The box also has a cooling chamber, an ice-making air supply air duct that communicates with the air supply port and the cooling chamber, and an ice-making return air duct that communicates between the air return port and the cooling chamber. 6. The refrigerator according to claim 1, characterized in that, The control device is further configured to make the air duct locking device close the air inlet and/or the air outlet when the refrigerator is powered off. 7. The refrigerator according to claim 5, characterized in that, The storage compartment is a first storage compartment, and the box body also has a second storage compartment; The first storage compartment and the second storage compartment are arranged in sequence along the horizontal transverse direction. 8. The refrigerator according to claim 7, wherein the box also has: a changing greenhouse, which is arranged in the first storage room; a first return air duct, communicating with the first storage compartment and the cooling chamber; and The return air duct of the variable greenhouse is connected with the air inlet of the return air duct of the variable greenhouse; on the chamber wall on the upstream side of the device, or on the air duct wall of the first return air duct.