JPH043873A - Refrigerator - Google Patents

Abstract

PURPOSE:To unify a temperature distribution in a refrigerating chamber by a method wherein a control box is provided with a plurality of air outlet ports in up-and-down direction so as to include the regulating range of up-and-down direction of racks while a frame is provided with cold air shielding plates for dispersing the cold air so as to be approximated to the air outlet ports. CONSTITUTION:Cold air, descended through a duct 4, descends while being branched into ducts 4a, 4b while the cold air, descended through the duct 4b, passes through a damper, whose opening and closing are controlled by a tempera ture regulator 9, and enters a duct 14 for the refrigerating chamber of a control box 7. The refrigerating chamber 5 of the box 7 is formed so as to have a height equal to the total height of the refrigerating chamber 5 while the cold air, entered the duct 14 of the box 7, is blown off into the refrigerating chamber 5 from outlet ports 8a, 8b. The air outlet ports 8a, 8b are opened so as to cover the regulating range of up-and-down direction of racks 15 and frames 16, retaining the racks 15, are provided with cold air shielding plates 17 whereby a space is provided between the air outlet ports and the racks at all times in the height of the cold air shielding plates 17 and, therefore, the air outlet ports will never be blockaded by the regulation of the positions of the racks.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to refrigerators, and more particularly to means for adjusting the temperature of a refrigerating compartment within a refrigerator.

2. Description of the Related Art As a conventional means for adjusting the temperature of a refrigerating compartment of a refrigerator, there is one disclosed in, for example, Japanese Utility Model Application Publication No. 64-35385, and this example will be explained with reference to FIGS. 6 to 8.

In FIGS. 6 to 8, 20 is the refrigerator body, 21 is a freezer compartment, 22 is a cooler compartment, and 23 is a duct which is branched into a chilled compartment duct 23a and a refrigerator compartment duct 23b.

24 is a refrigerator compartment, 25 is a chilled compartment, 26 is a control box, and 26a, 26b, and 26c are air outlets, which are arranged in the control box 26 so as to blow out cold air to the refrigerator compartment 24. 27 is a refrigerator temperature controller, 2
8 is a chilled room temperature controller, 29 is a fan, 3° is a vegetable compartment, 31 is a chilled room air path, 32 is a refrigerator room air path, 33
Reference numerals a and 33b indicate shelves in the refrigerator compartment, 34a and 34b thermistors, 35a and 35b windshields, and 36 a refrigerator compartment floor partition.

In the above configuration, most of the cold air in the cooler chamber 22 is blown out into the freezer compartment 21 by the fan 29.
A portion is sent downward through the duct 23. Duct 23
The cool air that descends inside is divided into ducts 23a and 23b and descends. The cold air that has descended through the tact 23b passes through a damper whose opening and closing are controlled by the temperature regulator 27, and enters the refrigerator compartment air passage 32 of the control box 26. The control box 26 is formed to the full height inside the refrigerator compartment 24, and the cold air that has entered the air passage 32 of the control box 26 flows through the air outlets 26a, 26b, and 26c into the refrigerator compartment 24.
The air outlet 26a opens toward the top of the space above the shelf 33a, the air outlet 26b opens toward the top of the space above the shelf 33b, and the air outlet 26c opens toward the top of the space above the shelf 33b. It opens toward the top of the space above the partition 36.

Since these locations have many gaps even when a large amount of food, etc. is stored in the refrigerator compartment 24, the blown cold air tends to spread inside the refrigerator compartment 24.

Depending on the number of stacked items stored in the refrigerator compartment 24, in this embodiment, there are three levels, and air outlets 26a, 26b, and 26c are provided at three locations to blow out cold air into the space above each loaded item. Therefore, the food in the refrigerator compartment is cooled evenly, and uneven temperature distribution in the refrigerator compartment can be prevented.

Problems to be Solved by the Invention However, in the above configuration, the shelf 3 in the refrigerator compartment
This is effective when the positions of the shelves 3a and 33b are not adjusted, but when the positions of the shelves 33a and 33b are adjusted in the vertical direction continuously or stepwise, the adjustment position of the shelves Sometimes it is not possible to maintain a positional relationship in which the air blows out toward the top of each space divided by .

For example, if the shelf 33b is located in front of or slightly below the air outlet 26c, the cold air coming out of the air outlet 26c will reach the shelf 33b.
3b, there is no cold air outlet in the refrigerator compartment floor partition 36 located below separated by the shelf 33b, and the cold air does not reach the storage compartment, resulting in poor temperature distribution. There was a problem in that the temperature distribution inside was not uniform.

Furthermore, when a large amount of food and other items are stored on the shelf 33b, the air outlet 26c is blocked, and the cold air does not reach the front of the shelf, resulting in a large temperature difference between the rear and front of the shelf 33b. ,
Another problem was that the temperature distribution was not uniform.

The purpose of the present invention is to solve the above-mentioned problems and to make the shelf position continuous in the vertical direction depending on the amount of stored items.

Alternatively, it is an object of the present invention to provide a refrigerator in which the temperature of the refrigerator compartment does not differ much from the set temperature even when the temperature is adjusted in stages, and the temperature distribution within the refrigerator compartment is uniform.

Means for Solving the Problems In order to achieve the above object, the present invention includes a shelf disposed in a refrigerating room, a frame for holding the shelf, a moving means for vertically moving the frame, and a means for moving the frame from the air outlet to the air outlet. a control box for controlling the supply of cold air, and the control box is provided with a plurality of the air outlets in the vertical direction so as to cover the adjustment range of the shelf in the vertical direction, and the frame is provided with a plurality of air outlets in the vertical direction. The refrigerator is provided with a cold air shielding plate that disperses cold air close to the outlet.

Function The present invention has the above-mentioned configuration, in which the control box is provided with a plurality of air outlets in the vertical direction so as to cover the adjustment range of the shelves in the refrigerator compartment, and the frame is provided with a plurality of air outlets from the air outlets. A cold air shield plate is installed to block cold air, so even if the shelf position is adjusted vertically or in stages, a cold air outlet can be secured regardless of the shelf position, and the shelf inside the refrigerator compartment can be Even when a large amount of food is stored, it is easy to secure a cold air outlet and every part of the refrigerator compartment can be thoroughly cooled, so the temperature in the refrigerator compartment does not differ much from the set temperature, and the temperature inside the refrigerator compartment remains constant. Nonuniform distribution can be eliminated.

Also, even if the cold air outlet is located close to the shelf,
Since the cold air shielding plate makes it possible to maintain a predetermined distance between the shelf and the air outlet, the cold air can be dispersed and there is no problem of overcooling and freezing of the food.

Examples Below, the refrigerators which are examples of the present invention are shown in Figs.
This will be explained according to FIG.

In Figures 1, 2, and 3, l is the refrigerator body, 2
3 is a freezer compartment, 4 is a duct which is branched into a chilled compartment duct 4a and a refrigerated compartment duct 4b. 5 is a refrigerating room, 6 is a chilled room, and 7 is a control box, which controls the supply of cold air and adjusts the temperature according to the chilled room duct 4a and the refrigerated room duct 4b. 8
Reference numerals a and 8b are air outlets, which blow out cold air into the refrigerator compartment 5. Reference numeral 9 is a refrigerator compartment temperature regulator, and lO is a chilled compartment temperature regulator, which adjusts the temperature inside the control box 7.

II is a fan, 12 is a vegetable compartment, 13 is an air path for the chilled room,
14 is an air passage for the refrigerator compartment, and I5 is a shelf in the refrigerator compartment, each of which is held by a frame 16. 17 is a cold air shielding plate. The shelf 15 is of a type that allows the inside of the refrigerator compartment 5 to be adjusted continuously or stepwise in the vertical direction.
In the case of stepwise adjustment using the mechanism shown in the specification of No. 1459, the adjustment can be performed by using other known mechanisms such as changing the hanging of the shelf stepwise using a cantilever mechanism. 18a, 18b are thermistors, 19a, 19
b is a windshield, and 20 is a refrigerator compartment floor partition.

As shown in FIG. 4, the frame 16 is a left and right frame frame 16.
a, +6b, a rear frame 16c, and a connecting stay 16d, and a cold air shielding plate 17 is attached to the rear.

FIG. 5 shows a state in which the shelf 15 is placed on the frame 16. The air outlets 8a and 8b provided in two rows in the control box 7 are open so as to cover the adjustment range in which the shelf 15 moves in the vertical direction, and are open over the entire height in the vertical direction, or depending on the adjustment interval of the shelf. The holes may be opened at predetermined intervals.

Next, the operation of this embodiment will be explained. As shown in FIG. 1, most of the cold air in the cooler chamber 3 is blown out into the freezer chamber 2 by the fan 11, but a portion is sent downward through the duct 4. As shown in FIG. 2, the cold air descending within the duct 4 branches into ducts 4a and 4b and descends. The cold air that has descended through the duct 4b passes through a damper whose opening and closing are controlled by the temperature regulator 9, and enters the refrigerator compartment air passage 14 of the control box 7. The control box 7 is formed to the full height inside the refrigerator compartment 5, and has two rows of air outlets 8.
Since the air vents 8a and 8b are provided, the cold air that has entered the air passage 14 of the control box 7 is blown out into the refrigerator compartment 5 through the air outlets 8a and 8b.

The air outlets 8a and 8b are open so as to cover the adjustment range of the shelf 15 in the vertical direction, and a cold air shielding plate 17 is attached to the frame 16 that holds the shelf 15, so that the air outlet Since there is always a gap between the shelf and the shelf at the height of the cold air shielding plate 17, the air outlet will not be blocked by adjusting the shelf position.

Further, by providing the cold air shielding plate 17, it is possible to prevent the harmful effect of overcooling and freezing of food products due to the cold air outlet being located close to the shelf.

In this way, even if you arbitrarily adjust the shelf position according to the amount of food, it is easy to secure an appropriate air outlet that corresponds to the shelf position, so the items stored in the refrigerator compartment are cooled evenly, making it easier to use than before. It is possible to prevent uneven temperature distribution in the refrigerator compartment while improving the temperature distribution, and by providing a cold air shield plate, it is possible to prevent overcooling of the food, thereby preventing the harmful effect of freezing the food and making it unusable. Now you can.

Effects of the Invention Since the present invention has the above-described configuration, even when the shelf position is adjusted vertically continuously or stepwise,
A cold air outlet can be secured regardless of the shelf position, and even if a large amount of food is stored in the refrigerator compartment, the cold air outlet will not be blocked, making it easy to secure a cold air outlet, and each part of the refrigerator compartment can be easily secured. The temperature in the refrigerator compartment does not differ much from the set temperature, making it possible to achieve a uniform temperature distribution within the refrigerator compartment.

Furthermore, since the cold air shielding plate can ensure a predetermined distance between the shelf and the air outlet, it is possible to prevent harmful effects such as overcooling and freezing of food due to the cold air outlet being located close to the shelf. is big.

[Brief explanation of drawings]

FIG. 1 is a side sectional view of the refrigerator of the present invention, FIG. 2 is a front sectional view of the refrigerator, FIG. 3 is an enlarged front view of the control box of the refrigerator, and FIG. 4 is an enlarged perspective view of the frame. Figure 5 is an enlarged perspective view of the case where the shelf is placed on the frame, Figure 6
FIG. 7 is a side sectional view of a conventional refrigerator, FIG. 7 is a front sectional view of the conventional refrigerator, and FIG. 8 is an enlarged front view of a control box of the conventional refrigerator.

Claims (1)

[Claims] The control box includes a shelf disposed in a refrigerator compartment, a frame for holding the shelf, a moving means for moving the frame in a vertical direction, and a control box for controlling supply of cold air from an outlet. A plurality of the air outlets are arranged in the vertical direction so as to cover the adjustment range in the vertical direction of the shelf, and a cold air shielding plate is provided on the frame adjacent to the air outlet to disperse cold air. A refrigerator characterized by: