JP2009085538A - Refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a refrigerator capable of improving a storage rate of vegetables and humidifying the vegetables at low cost. <P>SOLUTION: In a refrigerating compartment 3, a blowout port 24 and suction ports 26, 27 for cold air are provided at a position not directly facing a vegetable storage part 11. The convection of cold air in the vegetable storage part 11 can thereby be suppressed, and the drying of the vegetables stored in a vegetable container 12 can be suppressed. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a refrigerator in which a vegetable storage unit is arranged in a refrigerator compartment.

Conventionally, in a refrigerator having a vegetable storage part arranged in a refrigerator compartment, by installing a humidity control device such as a moisture permeable membrane, drying of vegetables stored in the vegetable storage part has been suppressed (patent) Reference 1).
JP-A-5-157429

However, in the thing of patent document 1, since the space for installing the humidity control apparatus with comparatively big thickness dimension is needed, there exists a problem that the storage rate of vegetables will fall. In addition, since a special material or the like for manufacturing a dedicated humidity control device is required, there is a problem that the dedicated humidity control device becomes extremely expensive and the cost merit is low.
This invention was made | formed in view of the said situation, The objective is to provide the refrigerator which can perform the moisture retention of vegetables at low cost while being able to improve the accommodation rate of vegetables.

  The present invention provides a suction port and an air outlet provided so as to face the refrigerating chamber, and cools the air in the refrigerating chamber sucked from the air inlet and blows the air to the first duct, so that the refrigeration from the air outlet. In a refrigerator comprising a cold air blowing means for blowing cold air into a room and a vegetable storage part arranged in the refrigerator compartment, at least one of the suction port and the blower outlet is out of a position directly facing the vegetable storage part. It is provided at the position.

  According to the present invention, since at least one of the suction port and the air outlet does not directly face the vegetable storage portion, it is possible to suppress the convection of cold air in the vegetable storage portion. Therefore, as compared with a conventional humidity control device, it is possible to improve the accommodation rate of vegetables and to keep the vegetables moist at a low cost.

(First embodiment)
A first embodiment of the present invention will be described below with reference to FIGS.
FIG. 1 is a front view showing a refrigerator door and containers removed, and FIG. 2 is a longitudinal side view of the refrigerator. 1 and 2, the refrigerator 1 includes a refrigerator body 2 in which a refrigerator room 3, an ice making room 4, a sub freezer room 5, and a freezer room 6 provided on the left and right are formed in this order as storage rooms. Each storage room is closed with doors 7, 8, 9. The refrigerator body 2 is formed by filling a heat insulating material between an outer box made of steel plate and an inner box made of resin, and the inside of the inner box is partitioned adiabatically so that the refrigerator compartment 3, the ice making room 4, A sub freezer room 5 and a freezer room 6 are formed. A plurality of shelves 10 are arranged in the refrigerator compartment 3, and a vegetable container 11 is arranged below them, and a vegetable container 12 is arranged in the vegetable container 11 so that it can be pulled out. A chilled chamber 13 is formed below the vegetable container 12, and a chilled container 14 is arranged in the chilled chamber 13 so that it can be pulled out.

  A cooler chamber 15 is formed on the back surface of the freezer compartment 6, and a cooler (corresponding to a cold air blowing means) 16 is disposed in the cooler chamber 15. The cooler 16 is supplied with the liquefied refrigerant liquefied by the condenser 18 by being pumped from the compressor 17, and absorbs ambient heat when the liquefied refrigerant evaporates. The air in the cooler chamber 15 is cooled. A fan (corresponding to a cool air blowing means) 19 is disposed above the cooler 16, and the cool air cooled by the cooler 16 is blown in the driving state of the fan 19.

  A part of the cool air blown from the cooler chamber 15 is blown out from the plurality of outlets 20 to the ice making chamber 4, the sub freezer chamber 5, and the freezer chamber 6 positioned in front of the cooler chamber 15. A plurality of suction ports 21 are provided on the back surface of the freezer compartment 6, and cold air blown into the ice making chamber 4, the sub freezer compartment 5, and the freezer compartment 6 is sucked in from the suction port 21, and thereby cold air is circulated and blown. The

  A first duct 22 is provided on the back surface of the refrigerator compartment 6, and a part of the cool air blown from the cooler chamber 15 passes through the first duct 22. A plurality of air outlets 24 facing the refrigerator compartment 3 are formed in the first duct 22, and the cold air that has passed through the first duct 22 is blown out through the air outlets 24 to the entire refrigerator compartment 3. In this embodiment, the air outlet 24 is provided at a position facing the upper space portion and the lower space portion (chilled chamber 13) of the vegetable storage portion 11 in the refrigerator compartment 3, and at a position not directly facing the vegetable storage portion 11. Is provided.

A damper (not shown) is provided at the inlet of the first duct 22, and the damper is opened and closed by a control device (corresponding to control means) 23 so that the inside of the refrigerator compartment 3 becomes a target temperature.
A suction duct 25 is provided on the back of the refrigerator compartment 3. The suction duct 25 is provided with an upper suction port 26 that faces the upper space portion of the vegetable storage unit 11 and a lower suction port 27 that faces the lower space portion (the chilled chamber 13) in the refrigerator compartment 3. The blown cold air is sucked from the suction ports 26 and 27 and returned to the cooler chamber 15 so that the cold air is circulated and blown.

Next, the operation of the above configuration will be described.
In the operation state of the refrigerator 1, the cold air generated in the cooler chamber 15 is blown to the ice making chamber 4, the sub freezer chamber 5, and the freezer chamber 6 according to the driving of the compressor 17 and the fan 19, and as necessary. Then, it is blown into the refrigerator compartment 3.

The cold air blown into the refrigerator compartment 3 is sent to the refrigerator compartment 3 from the plurality of outlets 24 through the first duct 22. In this case, since the blower outlet 24 is provided at a position away from the position directly facing the vegetable storage unit 11, the cold air blown into the refrigerator compartment 3 is not directly blown into the vegetable storage unit 11.
Moreover, since the upper suction inlet 26 and the lower suction inlet 27 are provided in the position remove | deviated from the position which faces the vegetable accommodating part 11, the cold air ventilated to the refrigerator compartment 3 is directly sucked from the vegetable accommodating part 11. There is no.

  As a result of the cold air being blown out and sucked in the refrigerator compartment 3 as described above, the entire refrigerator compartment 3 is cooled, so that the food stored in the refrigerator compartment 3 and the vegetable container 12 of the vegetable storage section 11 are accommodated. The stored foods can be stored in the chilled container 14 of the chilled chamber 13 in a cold storage.

  Here, in the upper space part of the vegetable storage part 11, since the cold air blown from the blower outlet 24 is sucked in by the upper suction port 26 provided in the lower part of the upper space part, the upper space of the vegetable storage part 11 In the part, convection of cold air is generated in the upper space part. Moreover, in the lower space part (chilled chamber 13) of the vegetable accommodating part 11, since the cold air blown out from the blower outlet 24 is sucked in by the lower inlet 27 provided in the lower part of the lower space part, the vegetable accommodating part In the lower space portion 11, cold air convection occurs in the lower space portion. Thereby, in the vegetable accommodating part 11 located between an upper space part and a lower space part, since the convection of cold air hardly arises, the vegetables accommodated in the vegetable container 12 are dried by the convection of cold air. Can be suppressed.

  According to such an embodiment, the cold air outlet 24 and the suction ports 26 and 27 are provided in the upper space portion and the lower space portion of the vegetable storage portion 11 that are not directly facing the vegetable storage portion 11 in the refrigerator compartment 3. Since it did in this way, compared with the conventional apparatus only for humidity control, the accommodation rate of vegetables can be improved and moisture retention of vegetables can be performed at low cost.

  And as a result of having provided the suction inlets 26 and 27 in the lower part of the upper space part and lower space part of the vegetable accommodating part 11, while being able to cut off the convection of the cold air from the upper space part of the vegetable accommodating part 11, the vegetable accommodating part Since the convection of the cold air from the lower space part of 11 can be interrupted, the convection of the cold air in the vegetable storage part 11 can be suppressed, and it can further suppress that a vegetable dries.

(Second embodiment)
Next, the second embodiment of the present invention will be described with reference to FIG. 3 and FIG. The second embodiment is characterized in that cold air can be blown out to the vegetable container 11.

  In FIG. 3 which shows the front of the refrigerator 1 which removes and shows a door and each container, the subduct 31 is provided in the site | part used as the back surface of the vegetable accommodating part 11 in the 1st duct 22, and the vegetable accommodating part is set in the subduct 31. 11 is provided with a first air outlet 32 that directly faces 11. A damper (corresponding to an opening / closing means) 33 is provided at the entrance of the sub duct 31, and the sub duct 31 can be opened and closed by the damper 33. In addition, a temperature sensor (hereinafter referred to as a V sensor) 34 is provided at a position that is the front surface of the first duct 22 in the vegetable container 11.

FIG. 4 is a flowchart showing control on the damper 33 among the controls of the control device 23 of the refrigerator 1. As shown in FIG. 4, the control device 23 determines whether the V sensor 34 is equal to or higher than a predetermined temperature (S1). If the V sensor 34 is higher than the predetermined temperature (S1: YES), the control device 23 opens the damper 33 (S2). As a result, the cold air generated in the cooler chamber 15 in the vegetable storage unit 11 is blown from the first air outlet 32 through the sub duct 31. The control device 23 determines whether the V sensor 34 is lower than a predetermined temperature (S3), and closes the damper 33 when the temperature is lower than the predetermined temperature (S3: YES).
According to such an embodiment, since the cold air is blown to the vegetable storage unit 11 independently of the blow of the cold air to the refrigerator compartment 3, in addition to the operational effects of the first embodiment, the vegetable It becomes possible to control the temperature and humidity of the accommodating part 11 independently of other storage spaces.

(Third embodiment)
Next, a third embodiment of the present invention will be described with reference to FIG. The third embodiment is characterized in that a dedicated duct for blowing cool air is provided in the vegetable container 11.
In FIG. 5, which shows the front of the refrigerator 1 with the door and each container removed, a second duct 41 is provided in parallel with the first duct 22 on the back of the refrigerator compartment 3. The provided 2nd blower outlet 42 is provided so that the vegetable accommodating part 11 may face directly. Accordingly, a part of the cool air generated in the cooler chamber 15 is blown independently from the second blow-out port 42 to the vegetable storage unit 11 through the second duct 41.

  According to such an Example, since cold air was blown independently to the vegetable storage part 11 through the 2nd duct 41, in addition to the effect of a 1st Example, the temperature and humidity of the vegetable storage part 11 Can be different from other storage spaces in the refrigerator compartment 3.

(Fourth embodiment)
Next, a fourth embodiment of the present invention will be described with reference to FIG. The fourth embodiment is characterized in that an air curtain is formed on the front surface of the vegetable container 11.
In FIG. 6 which shows the vertical side surface of the refrigerator 3, the 3rd duct 51 extended from the 1st duct 22 to the front side is provided in the upper surface of the vegetable accommodating part 11. As shown in FIG. A third air outlet 52 is formed at the tip of the third duct 51, and the cool air from the cooler chamber 15 blows out from the third air outlet 52 through the third duct 51, so that the front surface of the vegetable storage unit 11. An air curtain is formed.

  According to such an example, since the 3rd duct 51 was provided in the upper surface of the vegetable accommodating part 11, and the air curtain was formed in the front surface of the vegetable accommodating part 11, in addition to the effect of 1st Example, In addition, moisture can be prevented from escaping from the vegetables stored in the vegetable storage unit 11, and the vegetables can be stored for a long time.

(5th Example)
Next, a fifth embodiment of the present invention will be described with reference to FIG. The fifth embodiment is characterized in that the front surface of the vegetable container 11 is closed with a lid.
In FIG. 7 which shows the longitudinal side surface of the refrigerator 1, a lid body 61 is provided on the front surface of the vegetable container 11 at a portion serving as the front opening of the vegetable container 12, and the vegetable container 11 is closed by the lid body 61. ing. The lid 61 can open the front surface of the vegetable container 11 and can draw out the vegetable container 12 in the open state.

  According to such an embodiment, since the front surface of the vegetable storage unit 11 can be closed by the lid 61, it is possible to prevent cold convection from occurring in the vegetable storage unit 11. Therefore, in addition to the effect of 1st Example, it can suppress further that the vegetable accommodated in the vegetable container 12 will dry.

The present invention is not limited to the above embodiment, but can be modified or expanded as follows.
It is not necessary to provide both the air outlet 24 and the suction ports 26 and 27 facing the refrigerator compartment 3 at a position where the vegetable storage portion 11 does not directly face, and at least one of them is provided at a position where the vegetable storage portion 11 does not directly face. The effects of the present invention can be obtained.
The suction duct 25 may be provided on both sides of the first duct 22.
The present invention may be applied to a so-called two-evaporation refrigerator provided with a dedicated cooler for independently cooling the refrigerator compartment 3 and the freezer compartment 6.

The front view of the refrigerator in 1st Example of this invention Vertical side view of refrigerator FIG. 1 equivalent view showing a second embodiment of the present invention. Flow chart showing operation of control device FIG. 1 equivalent view showing a third embodiment of the present invention. FIG. 2 equivalent diagram showing a fourth embodiment of the present invention. FIG. 2 equivalent diagram showing a fifth embodiment of the present invention.

Explanation of symbols

  In the drawings, 1 is a refrigerator, 3 is a refrigerator compartment, 11 is a vegetable storage unit, 16 is a cooler (cold air blowing means), 19 is a fan (cold air blowing means), 22 is a first duct, and 23 is a control device (control means). ), 24 is an outlet, 25 is an inlet duct, 26 is an upper inlet, 27 is a lower inlet, 32 is a first outlet, 33 is a damper (opening / closing means), 41 is a second duct, and 42 is a second outlet. An outlet, 51 is a third duct, 52 is a third outlet, and 61 is a lid.

Claims (6)

An inlet and an outlet provided to face the refrigerator compartment;
A cool air blowing means for cooling the air in the refrigerator compartment sucked from the inlet and blowing the air to the first duct, thereby blowing cool air from the outlet to the refrigerator compartment;
In the refrigerator provided with the vegetable storage part arranged in the refrigerator compartment,
At least one of the suction port and the blower outlet is provided at a position away from a position directly facing the vegetable container. A first air outlet provided at a position directly facing the vegetable container;
Opening and closing means for opening and closing the first air outlet;
2. The refrigerator according to claim 1, further comprising control means for controlling opening / closing of the opening / closing means. A second duct for blowing cold air from the cold air blowing means;
The refrigerator according to claim 1 or 2, further comprising: a second air outlet that blows out cold air to the vegetable storage portion through the second duct. A third duct that is provided on the top surface of the vegetable container and through which the cold air from the cold air blowing means is blown;
The third air outlet according to any one of claims 1 to 3, further comprising a third air outlet that forms a cold air curtain by blowing cold air from the third duct to a front surface of the vegetable storage unit. refrigerator.   The refrigerator according to any one of claims 1 to 4, wherein the suction port is provided in each of an upper space portion and a lower space portion of the vegetable storage portion.   The refrigerator according to any one of claims 1 to 5, further comprising a lid that closes a front surface of the vegetable container.

Images