CN107388685B - Refrigerator and its freezer compartment ice maker de-icing mechanism - Google Patents

Abstract

The invention discloses a refrigerator, wherein an ice maker is accommodated in a freezing chamber, a first air duct is arranged at the lower part of an ice box of the ice maker, the first air duct is communicated with a refrigerating chamber through a second air duct, and the first air duct is configured to introduce air in the refrigerating chamber into the lower part of the ice box to circulate and discharge the air to the freezing chamber.

Description

Refrigerator and its freezer compartment ice maker de-icing mechanism

technical field

The invention belongs to the technical field of refrigeration equipment, and particularly relates to a deicing mechanism of an ice maker.

Background technique

The aluminum ice box ice maker uses an electric heating wire to remove the ice. When the ice cubes are frozen, the electric heating wire is energized to heat the bottom of the aluminum ice box at about -20°C, so that the bottom of the ice cubes melts and separates from the ice box. Push the ice lever to push the ice cubes out of the ice maker. The electric heating deicing method wastes energy. When the ice maker is running, the current is only about 0.05A, while the current of the heating wire is about 0.6A. Moreover, the heat generated during heating and deicing will dissipate around the ice maker, which needs to be provided by the refrigerator. Additional air conditioning to neutralize further waste of energy.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an energy-saving deicing structure for an ice maker and a refrigerator.

In order to achieve the above purpose of the invention, the present invention provides a refrigerator, which includes a refrigerating compartment and a freezing compartment, the freezing compartment accommodates an ice maker, and a first air duct is arranged at the lower part of the ice box of the ice maker, and the first air duct is connected to the refrigerating compartment. The chambers are communicated through a second air duct. The first air duct is configured to introduce the air from the refrigerator compartment into the lower part of the ice box to circulate and discharge it to the freezer compartment. The first air duct includes an inlet end and an outlet end, and the inlet end and the outlet end are For the open port, the first air duct also includes a circulation part, the two ends of which are respectively connected to the inlet end and the outlet end.

As a further improvement of an embodiment of the present invention, the second air duct connects the refrigerating compartment and the evaporator, so as to return the air in the refrigerating compartment to the surroundings of the evaporator.

As a further improvement of an embodiment of the present invention, the second air duct extends from the rear wall of the refrigerating compartment to the rear wall of the freezing compartment.

As a further improvement of an embodiment of the present invention, the inlet end communicates with the second air duct.

As a further improvement of an embodiment of the present invention, a fan is provided at the inlet end.

As a further improvement of an embodiment of the present invention, the outlet end is connected to the freezing compartment.

As a further improvement of an embodiment of the present invention, the circulation part has a U-shaped air duct.

Compared with the prior art, the ice maker de-icing mechanism and the refrigerator provided by the present invention utilize the return air at a relatively high temperature in the refrigerating compartment to cool the ice maker, so that the ice cubes are separated from the bottom of the ice box, and the cooled The air enters the freezer compartment to circulate again, saving the cooling capacity.

Description of drawings

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

Fig. 2 is a partial enlarged view of Fig. 1;

FIG. 3 is a top view of an embodiment of the ice maker de-icing structure of the present invention;

4 is a schematic top view of the circulation part of the deicing structure of the ice maker of the present invention;

5 is a side view of another embodiment of the refrigerator of the present invention;

FIG. 6 is a top view of another embodiment of the deicing structure of the ice maker according to the present invention;

7 is a side view of another embodiment of the refrigerator of the present invention;

FIG. 8 is a top view of another embodiment of the ice removing structure of the ice maker according to the present invention.

Detailed ways

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

The invention provides a refrigerator, which comprises a box body with an open front end and a door arranged at the front part of the box body. The door pivots to open or close the case. The storage space is limited in the box.

The storage space in the box is divided into several independent compartments by partitions, including a refrigerator compartment and a freezer compartment.

The door includes a refrigerator compartment door body, which can open or close the refrigerator compartment, and a freezer compartment door body, which can open or close the freezer compartment.

The dispenser is arranged on the outer surface of the refrigerator compartment door or the freezer compartment door, and the ice or water produced by the ice maker is outputted through the dispenser.

An ice storage box is arranged on the door, and the ice made by the ice maker is transported into the ice storage box through a transmission mechanism. The ice storage bin is connected to the dispenser.

A refrigeration system is installed in the box. The refrigeration system is used to provide cooling capacity for the compartment and/or the ice making room to reduce the temperature in the compartment and the ice making room.

The refrigeration system includes a compressor, a condenser, a drying filter, a control valve, a capillary tube and an evaporator connected to form a circuit through a refrigerant pipeline. The compressor installed in the machine room is used to compress the refrigerant. The evaporator absorbs heat to cool down the compartment and the ice-making chamber, and the condenser absorbs the heat from the evaporator and forcibly dissipates heat.

When the compressor is running, the refrigerant that becomes gaseous through the evaporator flows to the compressor and is compressed. The compressed refrigerant is condensed into a high-pressure liquid state when it passes through the condenser. After passing through the capillary, the pressure decreases and flows to the evaporator again. The refrigerant evaporates into a gaseous state after heat exchange in the evaporator. The air around the evaporator is cooled to form cold air, which is sent to each compartment and/or ice making room through the air supply channel, circulates in each room for heat exchange, and returns to the surrounding of the evaporator through the return air channel.

Referring to FIG. 1 , in an embodiment of the present invention, a refrigerating compartment door 10 is provided with an insulating space, which accommodates an ice making compartment, and an ice making machine 20 , an ice storage box and a water supply device are arranged in the ice making compartment. An air supply channel and a return air channel are formed in the foam layer of the side wall of the refrigerator compartment 50, and the air outlet of the air supply channel and the air inlet of the return air channel are formed on the surface of the side wall of the refrigerator compartment 50 in contact with the refrigerator compartment door 10 ( Not shown), the side wall of the refrigerator compartment door 10 forms an air inlet and an air outlet (not shown) of the ice making compartment. When the refrigerating compartment door 10 is closed, the air outlet of the air supply channel is connected to the air inlet of the ice making chamber, and the air inlet of the return air channel is connected to the air outlet of the ice making chamber to form a cold air circulation passage. The air-conditioning is controlled by the control system to enter the ice-making chamber for circulation, and freeze the water provided by the water supply device into ice cubes.

Referring to FIG. 2 to FIG. 3 , the lower part of the ice box of the ice maker 20 is provided with an air guide channel. The air guide channel includes an inlet end 31 , a circulation part 33 and an outlet end 35 . The circulation portion 33 is adjacent to the bottom of the ice box, and the two ends of the circulation portion 33 are respectively connected to the inlet end 31 and the outlet end 35 . The inlet end 31 and the outlet end 35 are open ports, and communicate with the refrigerator compartment 50 and the circulation part 33 . The inlet end 31 is provided with a fan 40 .

Referring to FIG. 4 , the circulation part 33 is separated into a U-shaped air duct by the raised ribs 331 to guide the air to reach the outlet end 35 after one cycle of circulation.

When the ice cubes are frozen, the fan 40 is controlled to be turned on, and the air of the refrigerating room is sent into the air guide channel for circulation. Ice maker 20 The temperature at the bottom of the ice box is about -20°C, and the air temperature in the refrigerator room is relatively high. When circulating through the air guide channel, it exchanges heat with the bottom of the ice box to melt the bottom of the ice cube. Push the ice rod to push the ice cube out of the ice box. ice machine. The cooled air is discharged to the refrigerating chamber 50 through the outlet end 35, and has little effect on the temperature change around the ice-making chamber.

When the ice cubes are separated from the ice box, the fan 40 is controlled to be turned off, and no cold air circulation is formed between the air in the refrigerating chamber and the air guide passage. Since the inlet end 31 and the outlet end 35 have small diameters and are adjacent to the side wall of the refrigerating chamber 50 , the effect of the air exchange at the inlet end 31 and the outlet end 35 on the temperature change in the ice making chamber can be ignored.

Referring to FIG. 5 , in the second embodiment of the present invention, an adiabatic space is provided in the refrigerator compartment 50 , which accommodates an ice making compartment, and the ice making compartment is provided with an ice maker 20 , an ice storage box and a water supply device. An air supply channel and a return air channel (not shown) are formed in the foam layer of the side wall, rear wall or top wall of the refrigerating compartment 50, which communicate with the ice-making compartment, so as to send the cold air around the evaporator into the ice-making compartment It is circulated and discharged to the surroundings of the evaporator after heat exchange.

Referring to FIG. 6 , similar to the first embodiment of the present invention, the lower part of the ice box of the ice maker 20 is provided with an air guide channel. The air guide channel includes an inlet end 31 , a circulation part 33 and an outlet end 35 . The circulation part 33 is located directly below the ice box, and the inlet end 31 and the outlet end 35 are both connected to the refrigerating chamber 50 and the circulation part 33 . The inlet end 31 and the outlet end 35 are provided with dampers, which can be opened and closed in a controlled manner. When the damper is open, the refrigerating compartment 50 and the circulation part 33 communicate with each other, and when the damper is closed, the higher temperature air in the refrigerating compartment 50 cannot enter the ice maker 20 . The inlet end 31 is provided with a fan 40, and when the damper is opened, the fan 40 is turned on.

The circulation part 33 is separated into a U-shaped air duct by the raised ribs 331 to guide the air to reach the outlet end 35 after circulating for one cycle.

Referring to FIG. 7 , in the third embodiment of the present invention, an ice maker 20 is provided in a freezer compartment 60 of a refrigerator. The ice maker 20 is fixed to the rear wall of the freezer compartment 60 , and uses the cold air of the freezer compartment 60 to make ice.

The return air passage 51 of the refrigerating chamber 50 is connected to the evaporator. The evaporator can provide cooling for the ice maker or other compartments at the same time, and can also provide cooling for the refrigerating compartment 50 alone. The air return channel 51 extends from the foam layer on the rear wall of the refrigerating chamber 50 to the foam layer on the rear wall of the freezing chamber 60 .

Referring to FIG. 8 , the lower part of the ice box of the ice maker 20 is provided with an air guide channel. The air guide channel includes an inlet end 31 , a circulation part 33 and an outlet end 35 . The inlet port 31 and the outlet port 35 are open ports. The inlet end 31 is connected to the return air passage 51 of the refrigerating chamber 50 and the circulation part 33 . The inlet end 31 is provided with a fan 40 . The outlet end 35 communicates the circulation part 33 and the freezer compartment 60 .

The return air after heat exchange from the refrigerating chamber 50 is returned to the surroundings of the evaporator through the return air passage 51 . When the fan 40 is turned on in a controlled manner, part of the return air in the return air passage 51 is sent into the air guide passage for circulation, and it exchanges heat with the bottom of the ice box to melt the bottom of the ice cubes. Pushing the ice rod can push the ice cubes out of the ice box ice machine. The cooled return air is discharged to the freezer compartment 60 through the outlet end 35 to participate in the cold air circulation of the freezer compartment 60 .

It should be understood that although this specification is described in terms of embodiments, not every embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole, and each The technical solutions in the embodiments can also be appropriately 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 for the feasible embodiments of the present invention, and they are not used to limit the protection scope of the present invention. Changes should all be included within the protection scope of the present invention.

Claims (3)

1. A refrigerator, comprising a refrigerating compartment and a freezing compartment, wherein the freezing compartment accommodates an ice maker, and a first air duct is arranged in the lower part of the ice box of the ice maker, and the first air duct It communicates with the refrigerating compartment through a second air duct, the first air duct is configured to introduce the air in the refrigerating compartment into the lower part of the ice box for circulation and discharge to the freezing compartment, and the first air duct includes an inlet end and an outlet end , the inlet end and the outlet end are both open ports, the first air duct also includes a circulation portion, the two ends of which are respectively connected to the inlet end and the outlet end, the circulation portion is adjacent to the bottom of the ice box, and the circulation portion is adjacent to the bottom of the ice box. The upper part is isolated into a U-shaped air duct by the raised ribs, the inlet end is communicated with the second air duct, and the inlet end is provided with a fan. When the ice cubes are frozen, the fan is controlled After the block is separated from the ice box, the fan is controlled to be turned off, no cold air circulation is formed between the air in the refrigerating compartment and the first air duct, and the outlet end is connected with the freezing compartment. 2 . The refrigerator according to claim 1 , wherein the second air duct connects the refrigerating compartment and the evaporator, so as to return the air in the refrigerating compartment to the surrounding of the evaporator. 3 . 3 . The refrigerator according to claim 2 , wherein the second air duct extends from the rear wall of the refrigerating compartment to the rear wall of the freezing compartment. 4 .

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