KR20090128898A - Refrigerator - Google Patents

Abstract

PURPOSE: A refrigerator is provided to perform an ice making work efficiently using cold air of an evaporator. CONSTITUTION: A refrigerator comprises an evaporator, an ice making room(400), a first blower fan, and a second blower fan. The evaporator is installed on one side of a freezer compartment. The ice making room installed on a refrigerator door(220) which optionally shields a refrigerator compartment makes and stores ice. The first blower fan supplies cool air to either the refrigerator compartment or the freezer compartment from the evaporator. The second blower fan supplies cold air to the ice making room from the evaporator. The first and the second blower fan are operated together during a certain operation time of the second blower fan.

Description

Refrigerator {REFRIGERATOR}

The present invention relates to a refrigerator, and more particularly, to a refrigerator provided with an ice-making chamber in a refrigerator compartment door for allowing ice generated by an evaporator to flow into the refrigerator compartment door through a suction duct.

In general, a refrigerator is a device for low temperature storage of food, and stores the food by freezing or refrigerating according to the state of the food to be stored. The cold air supplied to the inside of the refrigerator is generated by the heat exchange action of the refrigerant, is continuously supplied into the refrigerator while repeatedly performing a cycle of compression, condensation, expansion, and evaporation, and the supplied refrigerant is supplied by convection. It is evenly distributed inside the refrigerator to store food in the refrigerator at a desired temperature.

1 is a front view showing the appearance of the refrigerator according to the prior art, Figure 2 is a front view showing the door of the refrigerator according to the prior art, as shown in these drawings, the main body 10 of the refrigerator is a rectangular parallelepiped. It is formed in a shape, the inside of the main body 10 is formed in the upper and lower refrigerating chamber 20 and the freezing chamber 30 for freezing and storing food, respectively.

The spaces of the refrigerating chamber 20 and the freezing chamber 30 each form an independent space, and the front surface is formed to be opened. The front surface of the opened main body is selectively opened and closed by doors 40 and 50, and the doors 40 and 50 have a refrigerating chamber door 40 that shields the refrigerating chamber 20 above the main body 10, and a main body ( 10) is composed of a freezer compartment door 50 that shields the freezer compartment 30 at the bottom.

The refrigerating chamber door 40 is formed on both left and right sides, and both ends thereof are fixed to the main body 10 to be rotated. Accordingly, the user can selectively open and close the opened front surface of the refrigerating compartment 20 by rotating the refrigerating compartment door 40 to the left / right.

Foods of various sizes and states are stored in the refrigerating compartment 20 and the refrigerating compartment door 40, and are stored in the refrigerating compartment 20 and the inner surface of the refrigerating compartment door 40 for their storage. Drawers, baskets, shelves, etc. are provided for storing food to suit the characteristics of the food.

The lower part of the main body 10, that is, the opened front surface of the freezing compartment 20 is selectively shielded by the freezing compartment door 50. The freezer compartment door 50 is formed to selectively shield the opened front surface of the freezer compartment 30 while sliding forward / rearward.

An upper portion of the freezer compartment door 50 is provided with a freezer compartment handle 52 so as to protrude forward so that the user can easily grip it. In addition, a plurality of drawers and baskets are provided inside the freezing compartment 30 to separate and store various foods, and an ice maker 60 is provided at one side of the freezing compartment 30 to make ice.

However, the prior art as described above has the following problems.

In the refrigerator according to the related art, an ice maker 60 for freezing ice is provided in the freezer compartment 30 under the main body 10 so that the user opens the freezer compartment 50 and bows the waist to take out the ice. ), There is a problem that causes inconvenience in use.

Meanwhile, in order to solve such a problem, the ice maker 60 is provided in the refrigerating chamber door 40, and a dispenser (not shown) is provided below the ice maker 60 so that the user can apply ice to the refrigerating chamber door ( The refrigerator which has a structure which makes it possible to take out from the outside of 40) is researched.

However, such a structure requires a separate cold air supply means (for example, a cold air supply duct, a blower fan, etc.) for supplying cold air from the evaporator to the ice maker 60, and the existing freezer compartment 30 and the refrigerating compartment 20 In the relationship with the cold air supply means provided for supplying cold air, there is a problem in that it is not easy to determine the cold air supply time or the supply amount.

In addition, in the above structure, the ice maker 60 for ice making may be provided inside the refrigerating compartment 20, even if the ice maker 60 is provided at one side of the refrigerating compartment 20, the ice maker 60 may be provided. There is a problem that the storage space inside the refrigerating chamber 20 is reduced by the space occupied.

The present invention is to solve the above-mentioned problems, to provide a refrigerator having an ice making system capable of efficiently performing ice making by inducing cold air generated in an evaporator to an ice making chamber formed at one side of a refrigerating chamber door. For work purposes.

In order to achieve the above object, a refrigerator according to an aspect of the present invention, the evaporator provided on one side of the freezer compartment; An ice making chamber provided in a refrigerating chamber door for selectively shielding the refrigerating chamber to make and store ice; A first blowing fan configured to supply cold air to at least one of the refrigerating chamber and the freezing chamber from the evaporator; And a second blowing fan for supplying cold air from the evaporator to the ice making chamber, wherein the first blowing fan is operated together for a predetermined time during the operation time of the second blowing fan.

The operating time of the first blowing fan is characterized in that from a certain point of time during the operation of the second blowing fan to the time when the operation of the second blowing fan is stopped.

The compressor is driven together during the operation time of the first blowing fan.

In addition, the refrigerator according to an aspect of the present invention is embedded in the side wall of the refrigerating chamber to communicate with the freezing compartment and the ice making chamber so that the cold air supplied by the first blowing fan and the second blowing fan is guided to the ice making chamber. Suction ducts to guide cold air; A discharge duct embedded in a side wall of the refrigerating chamber so as to communicate with the freezing chamber and the ice making chamber; A suction port formed to be opened at one side of the ice making chamber corresponding to an end of the suction duct opened at a side wall of the refrigerating chamber, and selectively communicating with the suction duct; And an ejection opening formed on one side of the ice making chamber corresponding to an end portion of the discharge duct opened on the side wall of the refrigerating chamber, and selectively communicating with the discharge duct.

The cold air generated in the evaporator is supplied to the ice making chamber through the suction duct and the suction port to perform an ice making operation, and the cold air in the ice making chamber is discharged to the freezing chamber through the discharge port and the discharge duct.

According to the refrigerator according to the aspect of the present invention having the above configuration, by performing the ice making operation using the cool air of the evaporator efficiently, there is an advantage that can be efficiently carried out without reducing the cooling efficiency of the refrigerating compartment and the freezer compartment. have.

In addition, according to the refrigerator according to an aspect of the present invention, since the cold air generated in the evaporator is forced to blow into the ice making chamber through the duct to allow the cold air generated in the evaporator to flow into the ice making chamber formed in the refrigerating chamber door, It is possible to perform an ice making operation to make ice inside the ice-making chamber without installing a separate evaporator and a blower fan, thereby reducing the overall space occupied by the ice-making chamber and increasing the storage space of the refrigerating chamber. have.

Hereinafter, a refrigerator according to a first embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a front view showing the appearance of the refrigerator employing the ice making system of the ice-making room provided in the refrigerator compartment door in the present invention, Figure 4 is a perspective view showing the appearance of the refrigerator compartment door of the refrigerator in Figure 3, Fig. 5 is a schematic diagram showing a configuration in which cold air is supplied to an ice making chamber provided in the refrigerating chamber door in FIG. 4, and FIG. 6 is a diagram showing an operation pattern of the first blowing fan and the second blowing fan in FIG. Fig. 4 is a partial perspective view showing the main part of the ice making system of the ice making chamber provided in the refrigerating chamber door, and Fig. 8 is the inside of the ice making room which is the main part of the ice making system of the ice making room provided in the refrigerating chamber door in Fig. 4. Partial perspective view of the.

3 to 8, the refrigerator main body 100 is formed in a substantially rectangular parallelepiped shape, and the inside of the main body 100 is divided into a refrigerating chamber 200 and a freezing chamber 300.

The refrigerating compartment 200 is formed on the upper portion of the main body 100, and although not shown in detail, there are various types of baskets, shelves, and drawers for efficiently storing various kinds of foods in the refrigerating compartment 200. The space of the refrigerating chamber 200 is partitioned and installed.

Therefore, the cold air generated by the evaporator (not shown) and supplied from one side of the main body 100 is affected by the flow of the basket, the shelf and the drawers, thereby limiting or regulating the convection of the cold air. do. The user can store and store foods appropriate to the proper position according to the temperature characteristics due to the difference in the cold air supply.

Meanwhile, the front surface of the refrigerating chamber 200 is formed to be opened, and the front surface of the opened refrigerating chamber 200 is selectively shielded by the refrigerating chamber door 220. The refrigerating chamber door 220 is formed at both left and right sides of the main body 100, and the left and right ends of each of the refrigerating chamber doors 220 are hinged to one side of the main body 100.

Therefore, the refrigerating chamber door 220 is rotated around both ends of the refrigerating chamber door 220 which is hinged, and the opened front surface of the refrigerating chamber 200 is selectively rotated by the refrigerating chamber door 220. Shielded.

In addition, one side of the refrigerating chamber door 220 of the refrigerating chamber door 220 of the left / right side has an ice making chamber 400 to be described in detail below, and a dispenser 240 for extracting purified water and ice from the outside. It is provided, and the display 260 and operation buttons for temperature control and status display inside the main body 100 is installed.

In addition, although not shown in detail, the other side of the left / right refrigerating chamber door 220 of the refrigerating chamber door 220 such as drinks or alcohol frequently taken out without opening the refrigerating chamber door 220 A home bar (not shown) may be installed to allow removal from the.

On the other hand, the freezer compartment 300 is formed below the refrigerating compartment 200, that is, the lower portion of the main body 100, which is a separate space partitioned from the refrigerating compartment 200. The freezing chamber 300 is a place for freezing fish or meat or foods that require long-term storage, and a drawer or basket for separating and storing the foods stored in the freezing compartment 300 according to size or condition. Is provided.

In addition, a freezing chamber door 320 that shields the inside of the freezing chamber 300 is formed on the front surface of the freezing chamber 300. The lower end of the freezer compartment door 320 is hinged to the lower end of the storage box 340 for storing food, and the storage box 340 is formed to be slidable back and forth, and the front and rear together with the freezer compartment door 320. It is formed to be withdrawn / mouthed.

A rear side of the freezer compartment 300 is provided with a separate evaporator 360. The evaporator 360 generates cold air through heat exchange between the refrigerant and the air outside the freezer compartment evaporator 360. The cold air generated by the evaporator 360 flows into the freezer compartment 300 and the freezer compartment 300. ) Has a strong cooling capacity.

To this end, a cold air duct (not shown) for communicating the evaporator 360 and the freezing chamber 300 or the refrigerating chamber 200 is provided, and a first blowing fan 370 for supplying cold air to the cold air duct is provided. do.

The first blowing fan 370 is provided below the partition wall 230 that divides the refrigerating chamber 200 and the freezing chamber 300 and is provided horizontally to blow cold air upward.

Meanwhile, some of the cold air generated by the evaporator 360 is introduced into the ice making chamber 400 through the duct 500. The duct 500 communicates with one side of the freezing chamber 300 adjacent to the evaporator 360 and the ice making chamber 400, and serves as a passage for guiding cold air flow.

In addition, the duct 500 is provided inside one side wall surface of the refrigerating chamber 200, the wall surface of the refrigerating chamber 200 is filled with a heat insulating material and the refrigerating chamber 200 by cold air transferred through the duct 500. This prevents a change in the internal temperature.

In addition, one side of the freezing chamber 300 is provided with a second blowing fan 380 separate from the first blowing fan 370 to force the forced air so that the cold air flowing through the duct 500 flows more smoothly. Done.

The second blowing fan 380 is turned on / off based on the temperature sensed by the temperature sensor provided in the ice making chamber 400.

On the other hand, the refrigerator according to the first embodiment of the present invention, the first blowing fan 370 is controlled to be operated together for a predetermined time of the operation time of the second blowing fan 380.

As a result, when the evaporator 360 operates to cool only the ice making chamber 400, the temperature of the evaporator 360 is reduced since the freezing load is smaller than when the freezing chamber 300 or the refrigerating chamber 200 is cooled together. This causes a problem of sharply falling, since the air is blown to the freezing chamber 300 or the refrigerating chamber 200 through the first blowing fan 370 for a predetermined time during the operation of the second blowing fan 380 evaporator 360 ) To prevent a sudden drop in temperature and to reduce the power consumption.

On the other hand, in the refrigerator according to the first embodiment of the present invention, the operation time of the first blowing fan 370 is the second blowing fan 380 from a certain point of time while the operation of the second blowing fan 380 continues. It is preferable to set it to the point of time when the operation | movement of is stopped.

As a result, as the temperature of the evaporator 360 decreases during the operation of the second blower fan 380, air flows from the refrigerating chamber 200 or the freezing chamber 300 toward the evaporator 360 to form a cold air duct or the like. It is prevented from being implanted on the surface of the evaporator 360.

In FIG. 6, A denotes a section in which the first blowing fan 370 operates, B denotes a section in which the second blowing fan 380 operates, and C denotes a section in which the second blowing fan 380 is stopped.

On the other hand, the ice making chamber 400 is formed inside any one of the refrigerating chamber doors 220 on both sides shielding the opened front surface of the refrigerating chamber 200.

The ice making room 400 is a space for making and storing ice, and the stored ice can be taken out from the outside through the dispenser 240. Therefore, it is preferable that the ice making chamber 400 is provided above the dispenser 240.

The outer edge of the ice making chamber 400 protrudes from the refrigerating chamber door 220 toward the inside of the refrigerating chamber 200, and the ice making chamber 400 is formed to have an inner recessed shape. Ice is made and stored in a closed space.

Although the ice making chamber 400 is provided in the refrigerating chamber door 220, it is required to maintain a lower temperature than the refrigerating chamber 200 for the ice making operation, thus selectively shielding the opened front surface of the ice making chamber 400 in the opened front surface. The ice-making chamber door 420 is provided so that the ice-making chamber 400 and the refrigerating chamber 200 have independent spaces.

More specifically, one side of the ice making chamber 400, when the refrigerating chamber door 220 is closed, the right side of the ice making chamber 400 which is in contact with the inner side of the refrigerating chamber 200 (based on FIG. 5). The suction port 480 and the discharge port 490 are respectively formed.

The suction port 480 is an inlet part of the cold air generated by the evaporator 360 flows into the ice making chamber 400, and has an upper side on the right side of the ice making chamber 400 (refer to FIG. 5). Is formed to penetrate the interior of the ice making room 400.

In addition, the discharge port 490 is an outlet for discharging cold air heat-exchanged with water in the ice making chamber 400 to the freezing chamber 300, and has the same shape as the suction opening 480 under the suction opening 480. It is formed to penetrate the interior of the ice making room 400.

Meanwhile, an ice maker 440 and an ice maker 移 氷 幾, 460, which manufacture ice, are provided inside the ice maker 400. The ice maker 440 is formed on the inner upper portion of the ice making chamber 400 by making ice with cold introduced through the suction port 480.

In addition, an ice maker 460 is installed below the ice maker 440, that is, a lower portion inside the ice maker 400. The ice maker 460 transfers the ice made by the ice maker 440 to be taken out of the dispenser 240, and may be formed above the dispenser 240.

The remaining space excluding the space where the ice maker 440 and the ice maker 460 are installed among the inner spaces of the ice maker 400, that is, the space between the ice maker 440 and the ice maker 460 is the ice maker 440. It is a space to store the ice created in).

Since the cold air supplied from the evaporator 360 provided on one side of the freezing chamber 300 flows into the ice making chamber 400, a refrigerating chamber door having the inside of the ice making chamber 400 or the ice making chamber 400 ( 220 is not provided with a separate evaporator and fan for ice making.

On the other hand, the ice making chamber 400 is formed to protrude as a whole to enter the inside of the refrigerating chamber 200 by a predetermined portion when the refrigerating chamber door 220 is closed. In this case, one side surface of the ice making chamber 400 having the suction port 480 and the discharge port 490 is adjacent to the side wall surface of the refrigerating chamber 200, and the suction port 480 and the discharge port 490 are formed. The suction outlet 522 and the discharge inlet 542 are exposed at positions corresponding to the positions, respectively.

The suction outlet 522 is formed to be opened at the upper end of the suction duct 520 to be described in detail below, and the discharge inlet 542 is formed to be opened at the upper end of the discharge duct 540 to be described in detail below. do.

In addition, the suction outlet 522 and the discharge inlet 542 are formed on the inner sidewall surface of the refrigerating chamber 200 corresponding to the positions where the suction port 480 and the discharge port 490 are formed, respectively. It is formed to be. Therefore, when the refrigerating chamber door 220 is closed, the suction outlet 522 and the suction port 480, and the discharge inlet 542 and the discharge port 490 are formed to be in close contact with each other.

On the other hand, when looking at the inner portion of the refrigerator from the rear, the refrigerating chamber 200 and the freezing chamber 300 are respectively divided up and down to form a separate space.

An ice making chamber 400 is formed at one side of the refrigerating chamber door 220 that shields the opened front surface of the refrigerating chamber 200, and an evaporator generating cold air at the rear side of the freezing chamber 300 by heat exchange of a refrigerant ( 360) is mounted. In addition, one side of the freezing chamber 300 is further provided with a second blowing fan 380 for effectively blowing the cold air generated in the evaporator 360 to the ice making chamber 400.

The inside of the freezing chamber 300 and the inside of the ice making chamber 400 at one side of the refrigerating chamber door 220 are communicated with each other by the duct 500 and the freezing chamber 300 by the duct 500. The flow of cold air is guided to the ice making chamber 400.

The duct 500 discharges the cold air generated by the evaporator 360 to the ice making chamber 400 and the cold air that has undergone heat exchange in the ice making chamber 400 to the freezing chamber 300. And a discharge duct 540.

The suction duct 520 is mounted on one wall surface of the refrigerating chamber 200, and more specifically, on a wall surface of a side surface on which the refrigerating chamber door 220 in which the ice making chamber 400 is formed is fixed. In addition, the upper end and the lower end of the suction duct 520 are formed to be opened, respectively.

An upper end of the suction duct 520 is opened to form the suction outlet 522, and the suction outlet 522 is exposed to the outside from the inner wall surface of the refrigerating chamber 200. The lower end of the suction duct 520 is formed to communicate with one side of the freezing compartment 300, that is, the position adjacent to the evaporator 360.

The discharge duct 540 is formed in a shape similar to that of the suction duct 520 and is provided below a predetermined interval. An upper end of the discharge duct 540 is opened to form the discharge inlet 542, and the suction outlet 522 is exposed to the outside from the inner wall surface of the refrigerating chamber 200. The open lower end of the discharge duct 540 communicates with one side of the freezing compartment in which foods requiring freezing are stored.

On the other hand, a second blowing fan 380 is installed on one side of the freezer compartment 300, more specifically, in front of the evaporator 360. In addition, the second blowing fan 380 is installed at a position adjacent to the opened lower end of the suction duct 520 to forcibly blow cold air heat-exchanged in the evaporator 360 to the inside of the suction duct 520. Done.

In the above, specific embodiments of the present invention have been shown and described. However, the present invention can be embodied in various forms without departing from the spirit or essential characteristics thereof, and therefore, the above-described embodiments should not be limited by the contents of the detailed description, and further described above. Even if embodiments are not listed one by one in the description, they should be construed broadly within the spirit and scope defined in the appended claims. In addition, all changes and modifications included within the technical scope of the claims and their equivalents should be covered by the appended claims.

1 is a front view showing the appearance of a refrigerator according to the prior art.

Figure 2 is a front view showing a state in which the door of the refrigerator according to the prior art is opened.

Figure 3 is a front view showing the appearance of the refrigerator employing the ice making system of the ice making chamber provided in the refrigerator compartment door in the present invention.

Figure 4 is a perspective view showing a state in which the refrigerator door of the refrigerator is opened in Figure 3;

5 is a schematic view showing a configuration in which cold air is supplied to an ice making chamber provided in the refrigerating chamber door in FIG. 4.

6 is a diagram showing the operation pattern of the first blowing fan and the second blowing fan in FIG.

FIG. 7 is a partial perspective view of a main portion of the ice making system of the ice making chamber provided in the refrigerating chamber door of FIG. 4. FIG.

FIG. 8 is a partial perspective view showing an interior of an ice making chamber that is a main configuration of an ice making system of an ice making chamber provided in a refrigerating chamber door in FIG. 4. FIG.

Claims (5)

An evaporator provided at one side of the freezer compartment; An ice making chamber provided in a refrigerating chamber door for selectively shielding the refrigerating chamber to make and store ice; A first blowing fan configured to supply cold air to at least one of the refrigerating chamber and the freezing chamber from the evaporator; And And a second blowing fan for supplying cold air from the evaporator to the ice making chamber. The refrigerator according to claim 1, wherein the first blowing fan is operated together for a predetermined time of the operation time of the second blowing fan. The refrigerator according to claim 1, wherein the operation time of the first blowing fan is from a certain point in time during which the operation of the second blowing fan continues, to a time when the operation of the second blowing fan is stopped. The refrigerator according to claim 1, wherein the compressor is driven together during the operation time of the first blowing fan. The method of claim 1, A suction duct embedded in a side wall of the refrigerating chamber to communicate the cold chamber and the ice making chamber so that the cold air supplied by the first blowing fan and the second blowing fan is guided; A discharge duct embedded in a side wall of the refrigerating chamber to guide the freezing chamber and the ice making chamber to communicate with the freezing chamber; A suction port formed to be opened at one side of the ice making chamber corresponding to an end of the suction duct opened at a side wall of the refrigerating chamber, and selectively communicating with the suction duct; And And an outlet configured to be opened at one side of the ice making chamber corresponding to an end of the discharge duct opened on the sidewall of the refrigerating chamber, and selectively communicating with the discharge duct. The cold air generated in the evaporator is supplied to the ice making chamber through the suction duct and the suction port to perform an ice making operation, and the cold air in the ice making chamber is discharged to the freezing chamber through the discharge port and the discharge duct. Refrigerator, characterized in that configured.

Images