KR19980085709A - Refrigerator - Google Patents

Abstract

The present invention relates to a refrigerator. The refrigerator of the present invention includes a main body having a storage compartment therein and a refrigerant pipe installed on one side of the storage compartment to generate cold air, and the cold air generated by heat exchange in the refrigerant tube is stored in the storage compartment. And a discharge port formed on one side of the duct to guide the air and the discharged cold air to the storage chamber. And inside the discharge port, water supply means for supplying moisture to the cold air just before the discharge is provided. The refrigerator of the present invention is provided with a moisture supply means to supply the cold air to maintain the freshness of the food stored in the natural convection method, not the forced convection method, and to maintain the appropriate humidity in the storage compartment for a long time of food such as vegetables Humidity and temperature required for storage can be maintained in an optimal state, and it is effective to store foods such as vegetables freshly for a long time.

Description

Refrigerator

The present invention relates to a refrigerator, and more particularly, to a refrigerator for vegetables exclusively to keep vegetables fresh.

In general, the conventional refrigerator is to store the fresh food stored therein by generating cold air, Figure 1 is a cross-sectional view showing such a conventional refrigerator.

As shown in the drawing, a conventional refrigerator includes a rectangular hexagonal main body 10 forming a heat insulating wall and a door 17 opening the front surface of the main body 10, and a plurality of shelves (unsigned) are formed inside. It is installed so that food can be stored. The evaporator 14, the compressor 15, the condenser and the cooling fan 16, which are components of the refrigeration cycle, are installed, and the refrigerating chamber 11 and the freezing chamber 12 are partitioned according to the temperature required for the stored food. Prepared.

Meanwhile, in the conventional refrigerator, the vegetable storage container 13, which is provided in a separate case subordinate to the refrigerating chamber 11, is installed, but the vegetable storage container 13 keeps vegetables fresher for a long time through temperature and humidity control. There is a limit to what can be done. Because of this, when the vegetables stored in the conventional refrigerator have been stored for some time, the vegetable may be dried due to lack of humidity inside the vegetable storage container 13, and the inside of the container 13 may be deteriorated due to an unsuitable temperature. There was a problem that is often not disposed of properly used as food products disposed of disposal.

The present invention is to solve the above problems, an object of the present invention is to ensure that the cold air circulation in the refrigerator is made by natural convection, and also that the humidity and temperature state of the appropriate state is always stored in the optimal storage state It is to provide a vegetable refrigerator that can be maintained.

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

Figure 2 is a side sectional view showing a vegetable refrigerator according to the present invention.

* Explanation of symbols for the main parts of the drawings *

50 body 53 door

54.Refrigerator 56,57 ... Storage Room

59 Compressor 60 Storage container

61 duct 70 drain plate

71 Porous resin 73 Evaporation plate

In order to achieve the above object, the present invention provides a main body having a storage compartment therein, a refrigerant pipe installed on an inner surface of the storage compartment to exchange heat with air in the storage compartment, and descending by natural convection while exchanging heat with the refrigerant tube. A duct for guiding cold air to the storage chamber, a discharge port formed at one end of the duct and guiding the discharge of cold air guided along the duct to the storage chamber, and a water provided inside the discharge port to supply moisture to the cold air immediately before discharge. It is characterized by having a supply means.

Hereinafter, with reference to the drawings will be described in detail one preferred embodiment according to the present invention.

As shown in FIG. 2, the refrigerator according to the present invention is a refrigerator for vegetables only, and has a main body 50 having a rectangular hexagonal shape. The main body 50 is urethane foam is foamed between the inner wound 51 and the outer wound 52 to perform the heat insulation, the front is opened, the door 53 is hinged to the opening portion. have.

On the other hand, a coolant pipe 54 is inserted into an inner rear surface of the inner box 51 of the main body 50 to generate cool air by evaporation of the coolant. The internal storage chamber 56 of the main body 50 includes a partition plate 55. It is partitioned up and down by), and the door 53 mentioned above is provided in the upper and lower parts, respectively. In addition, a communication port 55a communicating with the upper and lower storage compartments 56 and 57 is formed in the front portion of the partition plate 55 so that the cold air that has risen due to natural convection moves to the upper storage compartment 56. The machine room 58 is provided in the lower rear part of the main body 50, and components, such as the compressor 59, are provided in this machine room 58. As shown in FIG.

Hereinafter, each storage compartment 56 and the cold air circulation will be described in more detail.

First, the lower storage chamber 57 is provided with a storage container 60c for storing foods such as vegetables at the bottom thereof, and a duct 61c for guiding the refrigerant is formed on the rear wall where the refrigerant pipe 54 is installed. The duct 61c has a cold air inlet 62 formed thereon so that a part of the cold air whose temperature rises due to heat exchange with the stored food is introduced into the duct 61c again by natural convection to exchange heat. 62, a plurality of guide guides 63 are formed to be inclined upward. When the air introduced into the duct 61c again falls down due to natural convection by heat exchange in the refrigerant pipe 54, the air is discharged back into the storage chamber 56 through the cold air discharge port 64 formed in the lower portion of the duct 61c. Will be.

On the other hand, the duct 61c is provided with a water supply means for supplying appropriate moisture to the cold air immediately before discharge of the cold air to supply fresh air and moisture to the stored vegetables.

The water supply means is provided as a porous resin 71 in the drainage plate 70 installed on the bottom portion of the duct 61c so that the moisture generated during the defrosting of the refrigerant pipe 54 is collected and drained. The remaining water remaining is discharged to the outside through the drain pipe 72 formed in the lower portion of the drain plate (70).

The drained water is collected in the evaporation plate 73 installed in the machine room 58, and the moisture collected in the evaporation plate 73 is evaporated by the heat generated by the operation of the compressor 59.

In the upper storage chamber 56, two storage containers 60a and 60b are layered, respectively, and upper and lower ducts 61a and 61b are formed, respectively, and the rear wall of the main body 50 is formed. The coolant pipe 54 is embedded in the inner phase 51. On the other hand, the rear side of the lower duct 61b communicates with the cold air circulated in the upper storage chamber 56 so as to flow into the duct 61 of the lower storage chamber 56, and thus part of the cold air circulated through the refrigerant pipe 54. Is introduced into the duct 61c of the lower reservoir 57 to be cooled to a lower temperature.

The refrigerator of the present invention serves to serve as a refrigerator for vegetables only, and the lower storage container 60 is capable of storing vegetables such as vegetables at a temperature of about 5 degrees Celsius, and the size of the stored vegetables. In view of this, a sufficient space is secured in the upper portion of the container 60. The lower container 60b in the upper storage container 60 is capable of storing fruit or fruit vegetables, which should be stored at a temperature of about 5 to 10 degrees Celsius, and about 5 kg in the uppermost container 60a. The rice can be stored and stored. On the other hand, a separate duct 61a for circulation of cold air is formed in the upper part of the uppermost container 60a.

Referring to the operation of the vegetable-only refrigerator according to the present invention configured as described above are as follows.

First, during cooling, the refrigerant circulates in the refrigerating cycle by the operation of the compressor 59, and the refrigerant pipe 54 embedded in the inner box 51 and the air inside each of the storage compartments 56 and 57 exchange heat to generate cold air. Will be. At this time, the cold air is moved to a lower place by the natural convection, and the high-temperature air is moved to a high place in the high air. Accordingly, the air in the duct 61c formed in the lower storage chamber 57 is continuously lowered while the temperature is lowered to be humidified in the porous resin 71, and discharged into the storage chamber 57 through the cold air discharge port 64. . The discharged cold air rises while cooling the vegetables stored in the container 60c of the lower storage chamber 57 and rises above the lower storage chamber 56. A part of the raised cold air is moved to the upper storage chamber 56 through the communication port 55a of the partition plate 55, and the remaining cold air is a refrigerant inlet formed in the upper portion of the duct 61c of the lower storage chamber 57. Through 62, the duct 61c is introduced again.

Meanwhile, the circulation of the cold air introduced into the upper storage chamber 56 will be described. The cold air introduced into the upper storage chamber 56 through the communication port 55a of the partition plate 55 is the lower storage container 60b of the upper storage chamber 56. After cooling the food stored in the) the temperature rises again to move to the upper container (60), and after cooling the food stored in the upper container (60a) and then flows into the upper duct (61a) to the rear coolant pipe (54) Will move to). When the cold air moves while the heat exchanges in the refrigerant pipe 54 and the temperature decreases again, a portion of the cold air flows into the duct 61c of the lower storage chamber 57, and the rest of the cold air flows into the lower portion of the upper storage chamber 56. It moves to the duct 61b and continues to circulate.

The refrigerant flowing into the refrigerant inlet 62 in the duct 61c of the lower storage chamber 57 is continuously lowered and exchanged with the refrigerant pipe 54 to receive moisture from the porous resin 71 and discharged to the discharge port 64. Will be.

On the other hand, when the moisture is insufficient in the porous resin 71, the moisture must be supplied to it again. At this time, the inside of the refrigerator is defrosted and the porous resin 71 is soaked with water melted around the refrigerant pipe 54. . To supplement this, during defrosting, ice, which hardens in the vicinity of the refrigerant pipe 54, melts and flows down the duct 61c. The water is collected in the drain plate 70 in the lower portion of the duct 61c to wet the porous resin 71, and the other water is discharged to the outside through the drain pipe 72. And the drained water is collected in the evaporation plate (73). As such, when the defrost is completed, the compressor 59 is operated again, and the water collected in the evaporation plate 73 is evaporated by the heat generated by the operation of the compressor 59.

As described above, the refrigerator of the present invention sets the most suitable temperature for the food stored in the control unit controlling the operation of the refrigerator, and thus, the operation of the refrigerator can be controlled to maintain the most optimal temperature state. And the position and installation method of the porous resin 71 or the refrigerant pipe 54 of the present invention is not limited to the configuration according to the present embodiment, and if the device can perform the function as such other devices to achieve It will be possible to achieve the object, the refrigerator of the present invention can be utilized not only for vegetables, but also for the storage of any kind of food requiring proper moisture and cold.

The refrigerator of the present invention as described above is provided with moisture supply means to maintain the freshness of the food stored in a natural convection method rather than a forced convection method for a longer time, and also to maintain a proper humidity in the storage compartment, such as vegetables and foods It is possible to keep the proper humidity and temperature condition necessary for long-term storage at an optimal state, so that foods such as vegetables can be stored more freshly.

Claims (4)

Body with storage compartment inside, A refrigerant pipe installed on an inner side of the storage compartment to exchange heat with air in the storage compartment, A duct for guiding cold air descending by natural convection while exchanging heat with the refrigerant pipe to the storage compartment, A discharge port formed at one end of the duct to guide discharge of cold air guided along the duct to the storage chamber, And a water supply means installed inside the discharge port to supply water to the cold air immediately before the discharge port. The refrigerator according to claim 1, wherein the water supply means comprises a porous resin moistened by water flowing down from the periphery of the refrigerant pipe during defrosting. The refrigerator according to claim 1 or 2, wherein one side of the water supply means is provided with a drain pipe for draining water contained in the water supply means to the outside more than necessary. 4. The compressor of claim 3, wherein a compressor is mounted near the outlet of the drain pipe, and an evaporation plate for storing water drained from the drain pipe is installed between the drain pipe and the compressor, and the evaporation is performed by heat generated by driving the compressor. Refrigerator, characterized in that the water stored in the dish is evaporated.