KR101118722B1 - A structure of vegetable room for independent control of a temperature of vegetable room for refrigerators - Google Patents

Abstract

The present invention relates to a structure of a vegetable compartment for independent temperature control of a refrigerator vegetable compartment, wherein the vegetable compartment forms an accommodating space independent of the refrigerating compartment, and has a box structure case 22 having a front open for temperature control independent from the refrigerating compartment, and the case. An inner box 23 spaced apart from the bottom in the interior, and a vegetable drawer 24 slidably disposed in the inner box 23 to accommodate vegetables or fruits, wherein the case includes a freezer compartment An inlet port 30 and an outlet port 29 to the refrigerator evaporator are formed to selectively introduce cold air from the freezer compartment through the through hole 26 formed in the freezer compartment wall 25 so as to communicate with each other. The cold air circulation passage 32 is formed between the 22 to be selected, so as to be independent of the refrigerating chamber to various kinds of food storage temperature It is controlled to the effect that is able to easily hold a variety of foods in the refrigerator vegetable compartment in the proper storage temperatures increase the useful life of the improvement Vegetable and product reliability.

Refrigerator vegetable room structure

Description

A STRUCTURE OF VEGETABLE ROOM FOR INDEPENDENT CONTROL OF A TEMPERATURE OF VEGETABLE ROOM FOR REFRIGERATORS}

       1 is a schematic perspective view of a conventional double door refrigerator.

       Figure 2 is a schematic diagram showing a cold air circulation structure for independent control of the vegetable room temperature of the double-door refrigerator according to the present invention.

       3 is a block diagram of the configuration of FIG. 2 for independent control of the vegetable chamber temperature.

       Figure 4 is a longitudinal sectional view from the front showing the detailed structure of the vegetable room for the independent control of the vegetable room temperature according to the present invention.

       FIG. 5 is a longitudinal sectional view seen from the side of the vegetable compartment structure of FIG. 4. FIG.

       FIG. 6 is a cross-sectional view of the vegetable compartment structure of FIG. 4 as viewed in plan view. FIG.

       Explanation of symbols on the main parts of the drawings

 22: case 22 23: inner box

 24: vegetable drawer 25: freezer wall

 26: through hole 32: cold air circulation passage

 40: partition wall 41: fan

 43: temperature sensor

The present invention relates to a structure of a vegetable compartment configured to independently control the temperature of a refrigerator vegetable compartment, and more particularly, to an improved vegetable compartment structure controlled independently of the refrigerator compartment at a suitable temperature according to the storage vegetables of the vegetable compartment formed at the lower portion of the refrigerator compartment in a double door refrigerator. will be.

According to the recent trend of large-sized refrigerators, so-called double-door refrigerators, which are used as one side as a refrigerator compartment 1 and the other side as a freezer compartment 2, are widely used, as shown in FIG. 1. The louver (3) is provided to the cold air is supplied to the room, the cold air thus supplied is lower temperature than the air in the refrigerating chamber is heavier, so as to move down to make the entire inside of the refrigerating chamber to the appropriate refrigeration temperature.

Typically, the lower part of the refrigerating compartment is provided with a vegetable compartment (4), and through the louver (3) of the refrigerating compartment, cold air at -18 ° C is discharged into the refrigerating compartment. Is controlled to be maintained at 2-3 ° C. However, the vegetable compartment provided at the lower side of the refrigerator compartment may rise to 7-8 ° C. or higher above the average temperature of the refrigerator compartment as the cold air falls in the refrigerator compartment, which may be lower than that for maintaining the freshness of the vegetables or fruits. It is preferable to maintain the temperature at the same level as the average temperature of the refrigerating chamber.

As such, the temperature of the vegetable compartment is inevitably higher than the average temperature of the refrigerator compartment as a structure for cooling the vegetable compartment by the cold air of the refrigerator compartment. As a countermeasure, a method of supplying the cold air supplied to the refrigerator compartment through the separate cold passage to the vegetable compartment is proposed. However, in this case, if the cold of the excessively low temperature is in direct contact with the vegetables or fruits, there is a problem that the vegetables or fruits freeze, so that the cold air can be circulated without direct contact with the vegetables and to the vegetable compartment The problem of the increase of load of compressor, etc. by drawing out cold air should be solved.

Accordingly, an object of the present invention is to control the temperature of the vegetable compartment independently of the refrigerator compartment by bypassing the cold air used in the freezer compartment of the lower temperature rather than the cold air introduced into the refrigerator compartment to solve the problems related to the control of the vegetable compartment temperature of the conventional double door refrigerator. In addition, by providing a vegetable box in the vegetable compartment to circulate the outside of the vegetable box to provide a vegetable chamber structure for the independent temperature control of the vegetable room of the double door refrigerator to improve the indirect storage of vegetables or fruits.

The vegetable compartment structure for independent temperature control of the refrigerator vegetable compartment according to the present invention for achieving the above object is provided in the lower portion of the refrigerator compartment, and the vegetable compartment for storing food such as vegetables or fruits at low temperature by the cold compartment chiller is an accommodation space independent from the refrigerator compartment A case having a box structure whose front is open for temperature control independent from the refrigerating compartment, an inner box spaced apart from the bottom in the case, and a slide-out method for the vegetable or fruit in the inner box. And a vegetable drawer for accommodating the back, wherein the case has an inlet and an outlet to the refrigerator evaporator to selectively introduce cold air from the freezing chamber through a through hole formed in the wall of the freezing chamber so as to communicate with the freezing chamber. A cold air circulation passage is formed between the cases It is configured to.

The cold air circulation passage has a plurality of ribs spaced apart from the bottom and the ceiling of the vegetable compartment case and protrudes upward and downward, respectively, for cold air circulation through the space between the inner box where the vegetable drawer is disposed and the bottom and the wall of the vegetable compartment case. It is preferably made of a space formed by the ribs between the inner box and the vegetable compartment case formed and supported by the ribs.

In addition, both ends are coupled to the side of the inner box and the vegetable compartment case to form a separation wall for separating the vegetable chamber up and down, the separation wall is provided with a fan to circulate the cold air for an even temperature gradient of the vegetable compartment, the interior The box is preferably provided with a temperature sensor.

A damper that is selectively opened and closed according to the temperature sensed by the temperature sensor is provided at a cold air inlet of the vegetable compartment case, and inside the partition wall, a heater for maintaining an appropriate temperature according to the food stored in the vegetable drawer of the vegetable compartment by the cold air of the freezer compartment. May be provided.

Hereinafter, with reference to the accompanying drawings showing an embodiment of the present invention will be described in detail the present invention.

2 and 3 show the cold air circulation structure for independent temperature control of the double-door refrigerator vegetable room according to the present invention. The cold air generated in the evaporator 12 provided above the freezer compartment 11 of the double door refrigerator 10 is circulated by the fan 13 to the lower part of the freezer compartment, and the cold air flow bypassed through the duct is the fan 16 of the refrigerator compartment 15. Is discharged into the refrigerating compartment to cool the refrigerating compartment and then returns to the evaporator.

The two vegetable compartments 20 schematically shown in FIG. 2 provided below the refrigerating compartment 15 have an open front, which are provided below the refrigerating compartment to form a receiving space independent of the refrigerating compartment as shown in FIGS. 4 to 6. A case 22 provided with an upper cover 21 to have a box structure, an inner box 23 spaced apart from inner surfaces of the case and the upper cover 21 in the case, and the inner box 23. It is arranged in a slide method withdrawable in the) is composed of a vegetable drawer 24 for accommodating vegetables or fruits.

The case 22 may be configured by separately forming the upper cover 21 is assembled to simplify the molding, the side of the case is in communication with the through-hole 26 formed in the freezer compartment wall 25 to communicate with the freezer compartment The cold air inlet 30 opened and closed by the damper 27 and the cold air outlet 29 communicated with the cold air return duct 28 to the evaporator 12 are formed.

For cold air circulation through the space between the inner box 23 and the bottom and the wall of the vegetable compartment case 22 in which the vegetable drawer 24 is disposed, as shown in FIGS. 4 to 6 (simplified drawing) Only one vegetable compartment case is shown.) A plurality of ribs 31 are spaced apart from the bottom of the vegetable compartment case 22 constituting the vegetable compartment and the bottom of the upper cover 21, as shown in FIG. Each protrusion is formed to form a cold air circulation passage 32 in the horizontal direction when viewed from the front of the refrigerator.

In this way, in order to integrate the vegetable case 22 and the inner box 23 which form a double-shaped box, the front side ends of the vegetable case and the upper cover 21 and the front end of the inner box 23 are respectively engaged. There is provided a front cover 34 having recesses 33 formed therein.

In addition, according to the present invention, the vegetable compartment communicates with the freezer compartment 11 through the through-hole 26 of the freezer compartment wall 25, and the inner box 23 in which the vegetable drawer 24 is provided therein is the freezer compartment wall 25. Located at a certain distance away from the freezing chamber wall (25) and the side wall of the inner box 23 is formed with a separation wall 40 is fixed at both ends, the temperature gradient in the vegetable chamber around the cold air inlet and far from the inlet A fan 41 is provided in the dividing wall 40 to circulate the cold air to minimize and to accelerate the cold air inflow as necessary.

In order to control the temperature of the vegetable drawer chamber 24 in the vegetable box to a temperature suitable for storing vegetables or fruits, a so-called code heater 42 in the form of a strip is provided on the bottom of the separation wall 40 so that the vegetable compartment is a freezer compartment. The temperature does not fall below the sub-zero temperature by the cold air introduced from the inner box 23, the inner box 23 is provided with a temperature sensor 43 approximately shown in the figure. When the temperature of the vegetable compartment becomes higher than the temperature appropriate for the stored food, as set in advance by the microprocessor that receives a signal of the temperature of the vegetable compartment from the temperature sensor 43, the damper 27 is opened to -18 ° C from the freezer compartment. The low temperature is introduced into the vegetable compartment 20 and the fan 41 is driven to circulate the cold evenly to the region opposite to the cold air inlet so that there is no temperature gradient. ) Is lower than the storage temperature, such as vegetables or refrigerated meat, to operate the cord heater 42 to maintain a proper temperature.

As a result, the temperature of the vegetable compartment can be controlled independently of the refrigerator compartment, and can be controlled not only from the temperature of 2-3 ° C suitable for vegetables or fruits, but also from the storage temperature of the refrigerated meats from -3 ° C to -1 ° C. It can be used properly, so that the vegetable room can be used for many purposes.

In FIG. 6, reference numeral 45 denotes a control panel for setting an appropriate temperature according to food stored in the vegetable compartment 20, and reference numeral 46 denotes a cold air inlet 30 and an outlet 29 of the vegetable case 22. It is a sealing material provided to prevent cold air leakage around.

The vegetable compartment or the vegetable drawer described in the present specification is generally referred to as a "vegetable compartment" because the space for mainly storing vegetables and the like in the lower part of the refrigerator is referred to as a "vegetable compartment", and only the vegetables and fruits may be stored. It is not limited.

According to the present invention, the vegetable compartment of the refrigerator is configured to be independent of the refrigerating compartment, and the cold air circulated in the freezing compartment is introduced through a cold air inlet which is selectively opened and closed by a through hole and a damper formed in the wall of the freezer compartment, A cord heater is provided to circulate the cold air around the inner box around which the vegetable drawer is placed, to provide a fan for even temperature distribution of the vegetable compartment, and to prevent excessively low temperature. A vegetable drawer that accommodates food such as vegetables or fruits is constructed in a double structure so that cold air does not flow directly, so that a temperature of -3 ° C to -2 ° C, which is similar to or lower than the temperature of a refrigerating chamber, which is usually controlled at 2-3 ° C, A variety of foods are stored in the refrigerator's vegetable compartment because the temperature is controlled independently of the fridge to store even the proper refrigerated meat. It is able to easily keep in proper storage temperature has an effect of improving the useful life of the improvement Vegetable and product reliability.

Claims (6)

In the vegetable compartment structure provided at the lower part of the refrigerating compartment to store food such as vegetables or fruits at low temperature by the refrigerating compartment chilling, the vegetable compartment forms a receiving space independent of the refrigerating compartment and has a box structure whose front is open for temperature control independent from the refrigerating compartment. An inner box 23 supported by the case 22 and ribs 31 protruding upward and downward from the bottom and the ceiling of the case 22 and spaced apart from the bottom, and the inner box 23. And a vegetable drawer 24 arranged to be pulled out in a slide manner, wherein the case 22 has a cold air in the freezer compartment selectively through a through hole 26 formed in the freezer compartment wall 25 to communicate with the freezer compartment. An inlet 30 and an outlet 29 to the refrigerator evaporator are formed, and a cold air circulation passage 32 is formed between the inner box 23 and the case 22. The vegetable compartment structure for independent temperature control of the refrigerator vegetable compartment. The cooling air circulation passage 32 for cooling air circulation through the space between the inner box 23 and the bottom and the wall of the case 22 is provided between the inner box 23 and the case 22. Vegetable chamber structure for independent temperature control of the refrigerator vegetable room, characterized in that consisting of a space formed by the ribs 31 of the. 3. The separating wall 40 according to claim 1 or 2, wherein both ends are coupled to the side surface of the inner box 23 and the vegetable chamber case 22 to separate the vegetable chamber up and down. A vegetable compartment structure for independent temperature control of a refrigerator vegetable compartment, characterized in that a fan 41 is provided to circulate cold air for an even temperature gradient of the vegetable compartment. 4. The vegetable compartment structure for independent temperature control of a refrigerator vegetable compartment according to claim 3, wherein the inner box is provided with a temperature sensor. 5. The vegetable compartment for independent miso control of the refrigerator vegetable compartment according to claim 4, characterized in that a damper (27) which is selectively opened and closed according to the temperature sensed by the temperature sensor (43) is provided at the cold air inlet (30) of the vegetable compartment case. rescue.  5. The independent temperature control of the refrigerator vegetable room according to claim 4, wherein a heater 42 is provided inside the separation wall 40 to maintain an appropriate temperature according to the food stored in the vegetable drawer of the vegetable compartment by cold air of the freezing compartment. 6. Vegetable room structure for sale.

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