KR20080029498A - Refrigerator - Google Patents

Abstract

A refrigerator is provided to prevent air from flowing between two storage chambers through drain pipes for draining defrosted water. A refrigerator comprises a main body(10), a first drain pipe(50), and a second drain pipe(60). The main body includes a first cooling chamber(31) generating cool air supplied to a first storage chamber and a second cooling chamber(32) generating cool air supplied to a second storage chamber. The first drain pipe drains water collected from the first cooling chamber to a water collecting basin provided at an outside of the first and second cooling chambers. The second drain pipe drains water collected from the second cooling chamber to the water collecting basin. The first drain pipe includes an insertion portion inserted into the second drain pipe and extended to the water collection basin.

Description

Refrigerator {REFRIGERATOR}

      1 is a side cross-sectional view showing a conventional general refrigerator.

      Figure 2 is a side cross-sectional view showing the configuration of a refrigerator according to the present invention.

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

      4 is a perspective view showing an example in which the first drain pipe and the second drain pipe are integrally formed in the refrigerator according to the present invention;

      5 is a perspective view showing another example in which the first drain pipe and the second drain pipe are integrally formed.

      * Description of symbols on the main parts of the drawings *

      10: main body 21: first storage room

      22: 2nd storage room 31: 1st cooling room

      32: second cooling chamber 33: the first evaporator

      34: second evaporator 37: first drip tray

      38: second drip tray 40: machine room

      50: first drain pipe 51: insertion portion

      60: second drain pipe 61: drain flow path

      The present invention relates to a refrigerator, and more particularly, to a refrigerator capable of preventing the smell of one storage compartment from being transferred to another storage compartment.

      The refrigerator is a device for supplying the cold air generated by the refrigeration cycle to the storage compartment to maintain the freshness of various foods for a long time.

      1 is a side sectional view showing a conventional refrigerator. As shown in FIG. 1, a conventional refrigerator includes a main body 1 having two independent storage compartments 1a and 1b divided up and down by an intermediate partition, and a door for opening and closing each storage compartment 1a and 1b. (2) and two evaporators 4a and 4b which are installed in the cooling chambers 3a and 3b provided at the rear of each of the storage chambers 1a and 1b to generate cold air to be supplied to the respective storage chambers 1a and 1b. Have

      Drip trays 5a and 5b for collecting defrost water falling from the evaporators 4a and 4b are respectively provided at the lower portions of the evaporators 4a and 4b, and the drip trays 5a and 5b respectively drain the collected defrost water. Drain pipes 6a and 6b are connected respectively. One end of the first drain pipe 6a located on the upper side of the two drain pipes 6a and 6b communicates with the first drip tray 5a, and the other end of the first drain pipe 6a is the second drip tray 5b located on the lower side. Extend toward). One end of the second drain pipe 6b communicates with the second drip tray 5b, and the other end extends into the machine room 7 formed under the main body 1.

      Therefore, the defrost water falling from the upper evaporator 4a is collected in the first drip tray 5a and then guided to the second drip tray 5b through the first drain pipe 6a and through the second drain pipe 6b. (7) is finally drained. The defrost water falling from the evaporator 4b located below is collected by the second drip tray 5b and then drained to the machine room 7 through the second drain pipe 6b.

      However, in the conventional refrigerator, since the upper cooling chamber 3a and the lower cooling chamber 3b communicate with each other by the first drain pipe 6a, air is communicated through the first drain pipe 6a so that There is a problem that the smell is transferred to another storage room. That is, when two storage compartments 1a and 1b are operated independently, a pressure difference occurs between the two storage compartments 1a and 1b. Then, through the first drain pipe 6a connecting the two cooling chambers 3a and 3b. Odor flows from the high pressure reservoir to the low reservoir. In addition, the smell is moved by the pressure when the user opens and closes the door (2).

     As such, when there is a odor transition between the two storage compartments 1a and 1b, the user may feel uncomfortable when opening and closing the door 2, and when the smell of a certain food is poured into other food, the food may also be deteriorated. do.

      The present invention is to solve such a problem, an object of the present invention is to provide a refrigerator capable of preventing the flow of air between the two storage chambers through a drain pipe for draining the defrost water.

According to an embodiment of the present invention, a refrigerator includes a main body having a first cooling chamber in which cold air to be supplied to a first storage chamber and a second cooling chamber in which cold air to be supplied to a second storage chamber are generated; and the first cooling chamber. A first drain pipe for draining the water collected in the chamber to a water collecting unit provided outside the first cooling chamber and the second cooling chamber; and a second for draining the water collected in the second cooling chamber to the water collecting unit. And a drain pipe, wherein the first drain pipe includes an insertion part inserted into the second drain pipe and extending toward the water collecting part.

At this time, a drainage passage for draining the water in the second cooling chamber is defined between the outer surface of the insertion portion and the inner surface of the second drain pipe.

The first cooling chamber and the second cooling chamber are partitioned in the vertical direction, the first cooling chamber is disposed on the upper side, the first drain pipe further extends upward from the insertion portion further comprises an extension communicating with the first cooling chamber, The drain passage is in communication with the second cooling chamber.

Meanwhile, the first drain pipe and the second drain pipe may be integrally formed, and the drain passage may be provided with a connection portion connecting the first drain pipe and the second drain pipe.

The water collecting unit is a machine room provided below the main body, the machine room may be provided with an evaporation plate for collecting and storing the water drained through the first and second drain pipe.

In addition, the refrigerator according to the present invention comprises: a first evaporator for cooling a first storage chamber; and a second evaporator installed below the first evaporator to cool a second storage chamber located below the first storage chamber; and the A first drip tray disposed under the first evaporator; and a second drip tray disposed under the second evaporator; and a first drain pipe connected to the first drip tray and extending downward; and one end of the second drip tray; And a second drain pipe connected to the drip tray and extending downward, wherein the first drain pipe includes an insertion part inserted into and extending into the second drain pipe.

In addition, the refrigerator according to the present invention comprises: a first evaporator for cooling a first storage chamber; and a second evaporator installed below the first evaporator to cool a second storage chamber located below the first storage chamber; and the A first drip tray disposed under the first evaporator; and a second drip tray disposed under the second evaporator; and one drain pipe for draining the water collected in the first drip tray and the second drip tray; And, the drain pipe is one end is connected to the first drip tray, the other end is a first drain flow path extending downward; and one end is connected to the second drip tray, the other end is independently extended to the first drain flow channel Being a second drainage passage; characterized in that it comprises a.

At this time, the drain pipe may have a partition plate extending in the vertical direction to partition the first drain channel and the second drain channel.

      Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail. Figure 2 is a side cross-sectional view showing the configuration of a refrigerator according to the present invention, Figure 3 is an enlarged view of a portion A in FIG.

      As shown in FIG. 2, the refrigerator according to the present invention includes a storage compartment 20 for storing food, a cooling compartment 30 in which cold air to be supplied to the storage compartment 20 is generated, and various components constituting a refrigeration cycle. It has a main body 10 having a machine room 40 is installed.

      The main body 10 is configured to include an outer box 11 forming an outer surface thereof and an inner box 12 disposed at regular intervals from the outer box 11 to form a storage chamber 20 therein.

Insulation 13 is formed in the space between the outer box 11 and the inner box 12 to prevent cold air from being lost.

      The storage compartment 20 includes two storage compartments 21 and 22 divided up and down by the intermediate partition 13. Hereinafter, a storage compartment located above the two storage compartments is referred to as a first storage compartment 21, and a storage compartment located below is referred to as a second storage compartment 22. Storage chamber doors 21a and 22a for opening and closing the first storage chamber 21 and the second storage chamber 22 are coupled to the front of the first storage chamber 21 and the second storage chamber 22, respectively.

      The cooling chamber 30 is provided at the rear of the first storage chamber 21 and provided at the rear of the first cooling chamber 31 and the second storage chamber 22 to generate cold air to be supplied to the first storage chamber 21. And a second cooling chamber 32 in which cold air to be supplied to the storage chamber 22 is generated. Each of the cooling chambers 31 and 32 has evaporators 33 and 34 for cooling the surrounding air through heat exchange with a refrigerant, and circulation fans 35 and 36 for circulating air cooled by the evaporators 33 and 34. Are installed respectively.

      The machine room 40 is located below the main body 10. The machine room 40 includes a compressor 42 for compressing a low-temperature, low-pressure gaseous refrigerant into a high-temperature, high-pressure state, and a refrigerant compressed in the compressor. A condenser (not shown) for condensing by heat exchange with ambient air and a cooling fan (not shown) for cooling the compressor and the condenser are provided.

      On the other hand, the machine room 40 functions as a collecting part for collecting defrost water drained from the first cooling room 31 and the second cooling room 32. For this purpose, the first drain pipe 50 and the bottom of the machine room 40 are installed. Evaporation plate 41 for storing the water discharged through the second drain pipe 60 is installed. The water collected in the evaporation plate 41 is evaporated by the heat released from the compressor and the condenser installed around it.

      As shown in FIGS. 2 and 3, the frost formed on the first evaporator 33 is removed below the evaporator 33 (hereinafter referred to as a 'first evaporator') installed in the first cooling chamber 31. A first drip tray 37 for collecting defrost water generated in the process is installed, and the first drip tray 37 drains the water collected in the first drip tray 37 to the evaporation plate 41 provided in the machine room 40. The first drain pipe 50 is connected to. The first drip tray 37 is provided with a drain hole 37a for drainage, and one end of the first drain pipe 50 communicates with the drain hole 37a.

      Similarly, a second drip tray 38 for collecting defrost water falling from the second evaporator 34 is installed below the evaporator 34 (hereinafter referred to as a 'second evaporator') installed in the second cooling chamber 32. And, the second drip tray 38 is connected to the second drain pipe 60 for draining the water collected in the second drip tray 38 to the evaporation plate 41.

      The first drain pipe 50 and the second drain pipe 60 extend downwards toward the machine room 40 located in the lower part of the main body 10, in particular, the first drain pipe 50 connected to the first drip tray 37. ) Extends into the second cooling chamber 32 below the first cooling chamber 31 and is inserted into the second drain pipe 60 communicating with the second cooling chamber 32. That is, the first drain pipe 50 has an insertion part 51 extending downward in the state inserted into the second drain pipe 60, and an extension part 52 connecting the first drip tray 37 and the insertion part 51. ) As such, when the first drain pipe 50 is extended in the state of being inserted into the second drain pipe 60, the air moves between the storage chambers 21 and 22 through the first drain pipe 50 or the second drain pipe 60. Not only can the smell be prevented from being transmitted, but also the installation structure of the drain pipes 50 and 60 can be simplified.

      As shown in FIG. 3, between the outer surface of the inserting portion 51 and the inner surface of the second drain pipe 60, a drain flow path for guiding water collected in the second drip tray 38 toward the machine room 40 ( 61 is defined, one end of the drain passage 61 is in communication with a drain 38a formed in the second drip tray 38 for drainage.

      Hereinafter, the operation of the refrigerator related to the present invention and the subject matter will be described with reference to FIGS. 2 and 3. Cold air is generated in the first cooling chamber 31 and the second cooling chamber 32 by the first evaporator 33 and the second evaporator 34, and on the surfaces of the evaporators 33 and 34 in the process of generating the cold air. Frost is implanted. If frost is formed on the surfaces of the evaporators 33 and 34, the heat exchange efficiency of the evaporators 33 and 34 is lowered, and thus defrosting is performed at regular intervals.

      Defrost water generated during the defrosting process for the first evaporator 33 is collected in the first drip tray 37 installed under the first evaporator 33, and the collected defrost water is collected in the machine room through the first drain pipe 50. The evaporation plate 41 of 40 is drained. In addition, the defrost water generated during the defrosting process for the second evaporator 34 is collected in the second drip tray 38 and is formed between the insertion part 51 of the first drain pipe 50 and the second drain pipe 60. It is drained to the evaporation plate 41 through 61. However, in the present invention, since the first drain pipe 50 and the second drain pipe 60 communicate with the external space (machine room) independently of each other, the two storage chambers 21 and 22 through the first drain pipe 50 and the second drain pipe 60. Air flow does not occur between In addition, since the first drain pipe 50 extends together with the second drain pipe 60 in a state of being inserted into the second drain pipe 60, the installation structure of the drain pipe is simplified.

      4 is a perspective view illustrating an example in which the first drain pipe and the second drain pipe are integrally formed in the refrigerator according to the present invention. As shown in FIG. 4, the first drain pipe 71 and the second drain pipe 72 may be formed into one integrated pipe 70. The unitary pipe 70 of FIG. 4 has an outer surface of the first drain pipe 71 and a second drain pipe 72 on the drain flow path 73 to integrate the first drain pipe 71 and the second drain pipe 72. It has a connecting portion 74 for connecting the inner side. As such, when the two drain pipes are formed as one pipe, there is an advantage that the drain pipe can be more easily assembled.

      5 is a perspective view illustrating another example in which the first drain pipe and the second drain pipe are integrally formed. The integrated drain pipe 80 shown in FIG. 5 has a first drain passage 81 whose one end communicates with the first drip tray 37 (see FIG. 2), and one end thereof communicates with the second drip tray 38 (see FIG. 2). It has a second drain flow path 82. The first drain passage 81 is disposed side by side in the second drain passage 82 and extends downward, and the upper passage extends upward from the lower passage 81 a toward the first drip tray 37. It consists of 81b. The lower passage 81a and the second drain passage 82 arranged side by side are partitioned by partition plates 83 extending in the vertical direction, and the second drain passage 82 is formed by the partition plates 83. It extends independently of the drain flow path 81.

Since the integrated drain pipe 80 of the present embodiment has a simpler structure as compared with FIG. 4, the manufacturing cost of the drain pipe can be reduced.

      As described above, the present invention has an effect of preventing the transfer of odor between the storage compartment by improving the installation structure of the drain pipe to prevent the air from moving from one storage compartment to another through the drain pipe.

      In addition, the present invention has the effect of reducing the manufacturing cost of the parts, and improves the assembly of the parts by molding the two drain pipes integrally.

Claims (10)

A main body having a first cooling chamber in which cold air to be supplied to the first storage chamber is generated and a second cooling chamber in which cold air to be supplied to the second storage chamber is generated; and A first drain pipe for draining the water collected in the first cooling chamber to a water collecting unit provided outside the first cooling chamber and the second cooling chamber; and And a second drain pipe for draining the water collected in the second cooling chamber to the water collecting part. And the first drain pipe includes an insertion part inserted into the second drain pipe and extending toward the water collecting part. The method of claim 1, And a drainage flow path for draining the water in the second cooling chamber is defined between the outer surface of the insertion portion and the inner surface of the second drain pipe. The method of claim 2, The first cooling chamber and the second cooling chamber are partitioned in the vertical direction, the first cooling chamber is disposed on the upper side, the first drain pipe further extends upward from the insertion portion further comprises an extension communicating with the first cooling chamber, And the drain passage is in communication with the second cooling chamber. The method of claim 2, And the first drain pipe and the second drain pipe are integrally formed. The method of claim 4, wherein And a connection portion connecting the first drain pipe and the second drain pipe to the drain channel. The method of claim 1, The water collecting unit is a machine room provided in the lower side of the main body, the refrigerator is characterized in that the evaporation plate for collecting and storing the water drained through the first drain pipe and the second drain pipe. A first evaporator for cooling a first storage chamber; and a second evaporator installed below the first evaporator for cooling a second storage chamber located below the first storage chamber; and disposed below the first evaporator. A first drip tray; and a second drip tray disposed below the second evaporator; and a first drain pipe connected to the first drip tray and extending downward; and one end connected downward to the second drip tray. Including a second drain pipe; And the first drain pipe includes an insertion part inserted into and extending into the second drain pipe.       The method of claim 7, wherein       And the first drain pipe and the second drain pipe are integrally formed. A first evaporator for cooling a first storage chamber; and a second evaporator installed below the first evaporator for cooling a second storage chamber located below the first storage chamber; and disposed below the first evaporator. And a second drip tray disposed under the second evaporator; and one drain pipe for draining the water collected in the first drip tray and the second drip tray. The drain pipe has a first drain flow path one end is connected to the first drip tray, the other end is extended downward; and the first end is connected to the second drip tray, the other end is independently extended to the first drain flow channel Refrigerator comprising a double drain. The method of claim 9, The drain pipe further comprises a partition plate extending in the vertical direction to partition the first drain channel and the second drain channel.

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