KR20090101524A - Refrigerator - Google Patents

Abstract

PURPOSE: A refrigerator is provided to improve the structure of fan assembly and prevent inlet of water to inside of storage room of the refrigerator. CONSTITUTION: A refrigerator comprises: a main body having a storage room; an evaporator which generates cool air and selectively performs defrost; and a fan assembly which is installed at one side of the evaporator. The fan assembly comprises a cool air supplying unit (245, 251) and blocking unit (252).

Description

Refrigerator {Refrigerator}

An embodiment of the present invention relates to a refrigerator.

An embodiment of the present invention relates to a refrigerator, and in detail, a structure of a fan assembly provided on one side of an evaporator of a refrigerator to improve the refrigerator so that defrost water is prevented from flowing into the storage compartment of the refrigerator during defrosting of the evaporator. It is about.

In general, a refrigerator is provided with a plurality of storage compartments in which the food is accommodated so as to freeze or refrigerate the food, and one side of the storage compartment is opened to store and take out the food.

The storage compartment includes a refrigerating compartment for allowing food to be refrigerated and a freezing compartment for freezing. Here, the refrigerating chamber may be formed with a storage temperature of approximately 2 to 3 ° C., and the freezing chamber may have a storage temperature of approximately −18 ° C.

In addition, recently released refrigerators are provided with a special cold compartment for storing foods requiring rapid cooling among foods stored in the freezer compartment. And, if the food is rapidly cooled in the special cooling room, the freshness of the food can be maintained.

The refrigerator includes an evaporator for supplying cold air to the storage compartment, and a cooling fan provided at one side of the evaporator to move the cold air generated in the evaporator into the storage compartment. The cold air inlet may be formed at one side of the storage compartment.

In addition, a defrost heater may be provided at one side of the evaporator to remove frost formed on the surface of the evaporator exposed to the low temperature environment.

The defrost heater may be turned on according to the evaporator surface temperature and a predetermined time after the evaporator has been operated for a predetermined time to remove frost formed on the evaporator surface.

Meanwhile, the defrost water generated in the process of defrosting the evaporator is collected in the defrost water receiver provided on one side of the evaporator.

However, according to the related art, the defrost water does not move to the defrost water receiver in the process of collecting the defrost water receiver, but flows into the cold air inlet formed on one side of the evaporator, where freezing occurs at the cold air inlet or one side of the storage compartment. There was a problem.

In addition, when freezing occurs in the cold air inlet, the supply of cold air to the storage compartment is not smooth, and thus, it is difficult to control the temperature of the storage compartment.

The present invention has been proposed to solve the above problems, to improve the structure of the fan assembly provided on one side of the evaporator of the refrigerator, to prevent defrost water from entering the storage compartment of the refrigerator during the evaporator is defrosted. It is an object to provide a refrigerator.

In addition, it is an object to provide a defrost water blocking unit on one side of the cold air inlet portion of the storage compartment, to prevent defrost water from flowing into the storage compartment of the refrigerator.

In addition, an object of the present invention is to improve the structure of the fan cover provided on one side of the evaporator, and to guide the defrost water to flow into the defrost water receiver without accumulating on the fan cover.

A refrigerator according to an embodiment of the present invention for solving the above problems includes a main body in which a storage compartment is formed; and an evaporator provided in the main body to generate cold air and optionally defrosting; And a fan assembly provided at one side of the evaporator and provided with a cooling fan for allowing cold air to flow into the storage compartment, wherein the fan assembly includes a cold air supply unit for supplying cold air to the storage compartment, and at least the cold air supply unit. It is provided on one side, and includes a blocking portion to prevent defrost water from flowing into the cold air supply in the defrost process of the evaporator.

The present invention has been proposed to solve the above problems, and by improving the structure of the fan assembly provided on one side of the evaporator of the refrigerator, defrost water can be prevented from flowing into the storage compartment of the refrigerator during the defrosting of the evaporator. There is an advantage.

Specifically, the defrost water blocking unit is provided on one side of the cold air inlet of the storage compartment, so that the defrost water generated in the evaporator does not flow into the storage compartment of the refrigerator.

In addition, since freezing does not occur at one side of the cold air inlet or the storage compartment, the cooling fan may be smoothly operated and the defrosting efficiency of the evaporator may be improved.

1 is a perspective view showing a refrigerator according to an embodiment of the present invention.

FIG. 2 is a view of the inside of the refrigerator with the fan assembly removed with respect to part “A” of FIG. 1;

3 is a perspective view showing the structure of a fan assembly according to an embodiment of the present invention.

4 is a cross-sectional view taken along the line II ′ of FIG. 3.

5 shows another evaporator fan unit in an embodiment of the invention.

6 shows a first fan cover of an evaporator fan unit according to an embodiment of the invention.

Hereinafter, with reference to the drawings will be described a specific embodiment of the present invention. However, the spirit of the present invention is not limited to the embodiments presented, and those skilled in the art who understand the spirit of the present invention can easily suggest other embodiments within the scope of the same idea.

1 is a perspective view illustrating a refrigerator according to an embodiment of the present invention, and FIG. 2 is a view illustrating the inside of the refrigerator in a state where the fan assembly is removed with respect to the portion “A” of FIG. 1.

1 and 2, in the refrigerator 10 according to an exemplary embodiment of the present invention, a freezing compartment 110 and a refrigerating compartment 120 are formed, a main body 100 having an open front surface, and the main body 100. It is provided on the front of the rotatable coupled to the main body 100 includes a freezer compartment door 130 and the refrigerator compartment door 140 to selectively shield each of the freezer compartment 110 and the refrigerating compartment 120.

Here, in the present embodiment, a bottom freezer type in which a freezer compartment is formed at the bottom and a refrigerator compartment is formed at the top will be described as an example. However, the idea of the present invention is not only the structure of the refrigerator, but also a top mount type in which a freezer compartment is formed at the top and a refrigerator compartment is formed at the bottom, or a side by side in which the freezer compartment and the refrigerator compartment are provided at the left and right sides. Note that this also applies to types.

In detail, the freezing compartment 110 and the refrigerating compartment 120 are provided with a plurality of freezing compartment shelves 112 and refrigerating compartment shelves 122 in which storage items can be stored. In addition, the freezing compartment 110 may be provided with a special cold storage compartment, that is, a special cold compartment (not shown) in which foods requiring rapid cooling among frozen foods are stored.

In addition, a plurality of door baskets 114 may be provided on the rear surfaces of the doors 130 and 140 to accommodate the storage.

In addition, the refrigerator compartment door 140 is provided with a home bar 150 to allow food to be easily withdrawn. In addition, a home bar door (not shown) may be provided at the front side of the refrigerating compartment door 140 to allow the refrigerating compartment 120 to be selectively shielded. The home bar door may be rotatably coupled to the refrigerating compartment door 140.

Although not shown in the drawing, the home bar 150 may be provided on the freezer compartment door 130.

On the other hand, the freezer compartment 110 is provided with a fan assembly 200 for allowing cold air generated in the evaporator 240 to flow into the freezer compartment 110. Here, the fan assembly 200 may be provided on the rear surface of the freezing compartment 110.

In detail, the fan assembly 200 is formed on the cover plate 210 and a cover plate 210 to cover the evaporator 240 and the cooling fan which are located inside the freezer compartment 110 to form an exterior. A special cold compartment discharge part 220 is provided to allow cold air to flow into the special cold compartment.

Here, the special cooling chamber may be disposed in front of the special cooling chamber discharge part 220. Here, the special cold compartment may be provided in the form of a storage box that can be pulled out of the freezer compartment. In addition, a plurality of storage boxes (not shown) for storing general frozen foods may be provided at upper and lower sides of the special cooling chamber.

In addition, an inner side surface of the freezer compartment 110 is provided with a withdrawal guide 116 to guide the withdrawal of the special cold compartment storage box and the freezer compartment storage box. The withdrawal guide 116 may be provided on both side surfaces of the freezing compartment 110.

In addition, a special cold compartment fan (not shown) is provided at a rear side of the special cold compartment discharge part 220 to allow cold air to be supplied to the special cold compartment.

In addition, a cold air inlet 210 may be formed at a lower portion of the fan assembly 200 to allow cold air circulating in the freezing compartment 110 to move to the rear of the cover plate 210.

On the other hand, the rear side of the fan assembly 200, there is provided an evaporator 240 for heat exchange with the ambient air to generate cold air. That is, the cold air introduced through the cold air inlet 210 may be cooled again through the evaporator 240.

The evaporator 240 includes a refrigerant pipe 241 through which a refrigerant flows, and a cooling fin 242 into which the refrigerant pipe 241 is inserted, so that heat exchange is easily performed between the refrigerant and ambient air. do.

In addition, a defrost heater 244 is provided at one side of the evaporator 240 to remove frost formed on the surface of the evaporator 240. The defrost heater 244 may be operated while the heat exchange in the evaporator 240 is stopped, so that heat may be supplied to the evaporator 240.

In addition, a defrost water receiver 243 in which defrost water generated during the defrosting process of the evaporator 240 falls and collects may be provided below the evaporator 240.

3 is a perspective view showing the structure of a fan assembly according to an embodiment of the present invention.

Referring to FIG. 3, a fan assembly 200 according to an embodiment of the present invention includes a cover plate 210 to cover an evaporator 240 and a cooling fan provided in the freezing compartment 110, and the cover plate ( The evaporator fan unit 260 is provided at the rear side of the evaporator 240, and the cold air generated in the evaporator 240 is introduced into the freezing compartment 110, and is provided at one side of the evaporator fan unit 260. A second cold air supply unit 251 to be introduced into the special cooling chamber side is included.

In detail, one side of the evaporator fan unit 260 is provided with a first cold air supply unit 245 for supplying the cold air passing through the evaporator fan unit 260 to the freezing compartment 110. In addition, the first cold air supply unit 245 may communicate with an interior of the freezing compartment 110. The structure of the evaporator fan unit 260 will be described later with reference to the drawings.

In addition, the second cold air supply unit 251 is provided on the rear side of the cover plate 210, the cold air introduced through the second cold air supply unit 251 is moved to the special cold chamber discharge unit 220 is the special Can be fed into the cold room.

In addition, a cold air flow path (not shown) through which cold air flows may be formed between the second cold air supply part 251 and the special cold chamber discharge part 220.

Meanwhile, the evaporator 240 may be located very close to the rear side of the second cold air supply unit 251. Accordingly, as freezing is formed on the surface of the evaporator 240, condensation and freezing of wet air may be formed on the rear surface of the cover plate 210.

In addition, the defrost water generated during the defrosting process of the evaporator 240 may fall along the rear surface of the cover plate 210. In this process, the defrost water that is dropped may flow into the second cold air supply unit 251.

Water falling through the discharge unit 270, which will be described later, may also flow into the second cold air supply unit 251.

In order to prevent such a phenomenon, the second cold air supply unit 251 may include a blocking unit 252 which prevents defrost water from flowing into the second cold air supply unit 251 during the defrosting process of the evaporator 240. ) Is provided.

The blocking unit 252 is provided along an open edge of the second cold air supply unit 251. The blocking unit 252 may extend from the second cold air supply unit 251 and may protrude toward the evaporator 240 behind the second cold air supply unit 251.

Therefore, in the defrosting process of the evaporator 240, when the defrost water flows to the outer surface of the blocking unit 252, the defrost water does not flow into the second cold air supply unit 251, the blocking unit 252 Will flow.

In addition, a rear surface of the cover plate 210 is provided with a heat insulating material 230 to allow the interior of the freezing chamber 110 to be insulated from the evaporator 240 side. Here, the heat insulator 230 may be attached to the rear surface of the cover plate 210.

In addition, cold air may be prevented from being transferred to the cover plate 210 by the heat insulating material 230.

In addition, one side of the cover plate 210 is provided with a coupling portion 214 for coupling the fan assembly 200 to the freezing compartment 110. In addition, the fan assembly 200 may be fastened to the inside of the freezing chamber 110 by a fastening member (not shown).

4 is a cross-sectional view taken along line II ′ of FIG. 3.

Referring to FIG. 4, the heat insulator 230 is provided on the rear surface of the cover plate 210. In addition, the blocking part 252 protrudes from the second cold air supply part 251 toward the rear of the heat insulating material 230.

Of course, the heat insulating material 230 may not be provided at a portion of the rear surface of the cover plate 210 where the second cold air supply part 251 is provided.

In addition, since the defrost water generated by the evaporator 240 has a property of falling downward, it is preferable that the blocking unit 252 is provided at least above the second cold air supply unit 251. Of course, the blocking unit 252 may be formed over the entire edge of the second cold air supply unit 251.

As described above, since the blocking unit 252 is provided to the second cold air supply unit 251, defrost water is prevented from entering the second cold air supply unit 251, and thus defrost water is supplied to the second cold air unit. Freezing around the supply 251 can be prevented.

5 is a view showing another evaporator fan unit in an embodiment of the present invention, Figure 6 is a view showing a first fan cover of the evaporator fan unit according to an embodiment of the present invention.

5 and 6, an evaporator fan unit 260 according to an embodiment of the present invention includes a first fan cover 261 and a second fan cover 262 that form an exterior, and the first fan cover. 261 and an inside of the second fan cover 262, an evaporator fan 263 is included to allow the cold air generated in the evaporator 240 to flow into the freezing compartment 110.

In detail, the first fan cover 261 and the second fan cover 262 are coupled to each other at an upper side and a lower side. The fan covers 261 and 262 may be fastened by a fastening member (not shown) in the fastening part 266.

In addition, a cold air inlet hole 264 is formed in the first fan cover 261 to allow the cold air generated by the evaporator 240 to flow into the evaporator fan 263. In addition, the cold air inlet hole 264 may be formed in a circular shape corresponding to the rotation radius of the evaporator fan 263.

In addition, the rear side of the first fan cover 261 is formed in a shape recessed forward along the edge of the cold air inlet hole 264, the rotation guide 268 to guide the rotation of the evaporator fan 263 Is formed. Here, the end of the blade of the evaporator fan 263 may be located in the rotation guide 268.

That is, the rotation guide 268 may be formed with a curvature corresponding to the rotation radius of the evaporator fan 263.

In addition, a guide end 269 is formed below the rotation guide 268 to allow water generated in the fan covers 261 and 262 to flow downward. The water is condensed water in which wet air flowing inside and outside the fan covers 261 and 262 condenses on the surfaces of the fan covers 261 and 262.

In addition, the condensed water may be frozen by cold air generated by the evaporator 240, and then the melting process may be repeated.

In particular, when the operation of the evaporator fan 263 is stopped, the wet air is formed on the surfaces of the fan covers 261 and 262, and when the evaporator fan 263 is operated to supply cold air again, condensation and freezing may occur. have.

On the other hand, the guide end 269 has a shape cut rounded downward from the lower end of the rotary guide 268. By the above configuration, the condensed water may be guided to the lower side of the rotation guide 268 along the guide end 269.

In addition, a lower part of the first fan cover 261 is formed with a discharge part 270 that allows water dropped from the rotation guide 268 to be discharged to the lower side of the first fan cover 261.

The water discharged to the outside of the fan covers 261 and 262 through the discharge part 270 may fall to the defrost water receiver 243 provided below the evaporator 240.

In addition, on one side of the first fan cover 261, guide ribs 267 for guiding the cold air introduced by the evaporator fan 263 to be moved to the first cold air supply unit 245 (see FIG. 3). Multiple can be formed.

Therefore, the cold air introduced into the evaporator fan unit 260 through the cold air inlet hole 264 is guided by the guide rib 267 and is moved to the first cold air supply unit 245, and eventually, the freezing chamber. Can flow into (110).

By the above configuration, since the condensed wet air can be easily discharged to the outside of the fan covers 261 and 262, the problem of condensation water freezing can be solved.

In addition, since the freezing of the condensate is removed, the operation of the evaporator fan 263 can be made smoothly, there is an advantage that the defrosting efficiency can be improved because no separate defrosting process for removing the freezing.

Claims (8)

A main body in which a storage compartment is formed; An evaporator provided inside the main body to generate cold air and selectively defrosting; And A fan assembly provided at one side of the evaporator and provided with a cooling fan for allowing cold air to flow into the storage compartment, The fan assembly, A cold air supply unit for supplying cold air to the storage compartment; A refrigerator provided on at least one side of the cold air supply unit and including a blocking unit to prevent defrost water from flowing into the cold air supply unit during a defrosting process of the evaporator. The method of claim 1, The blocking unit is provided between the cold air supply and the evaporator. The method of claim 2, And the blocking unit extends from the cold air supply unit and protrudes toward the evaporator. The method of claim 3, wherein And the blocking part protrudes from an upper end of the cold air supply part. The method of claim 1, The fan assembly, A cover plate covering one side of the evaporator, The refrigerator provided between the evaporator and the cover plate, the refrigerator further comprises a heat insulating material to be insulated inside the storage compartment. The method of claim 5, wherein And the blocking part further protrudes from the rear surface of the heat insulating material toward the evaporator. The method of claim 1, The blocking unit is a refrigerator, characterized in that formed to protrude along the open edge of the cold air supply. The method of claim 1, The blocking unit, In the defrosting process of the evaporator, the refrigerator characterized in that the defrost water is formed to flow along the outer surface of the blocking portion.