JPH1163785A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To minimize changes in internal temperature by indirectly cooling a chilled chamber. SOLUTION: A tray 10e made of aluminum which is so formed that a cold regenerative material 10c is held on a bottom surface to allow obtaining of a cool air path 10d between the material and a chilled case 10b is provided inside a chilled chamber 10 comprising a chilled cover 10a, the chilled case 10b and a lid body 10f as arranged in a cold storage chamber 7. The chilled chamber 10 is almost indirectly cooled while storing cold in the cold regenerative material 10c, when the cool air is supplied to the cool air path 10d from a cool air supply port 29a. When the supply of the cold is stopped, the chilled chamber 10 is also indirectly cooled by releasing the cold stored in the cold regeneration member 10c.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator of a forced air circulation system, and more particularly, to a structure of a chilled room of the refrigerator.

[0002]

2. Description of the Related Art In a refrigerator of the forced air circulation type, as shown in FIGS. 1 and 4, for example, the inside of a refrigerator main body 1 is insulated by heat insulating partitions 5 and 6, a refrigerator compartment 7, a freezing compartment 8, and a vegetable compartment 9 are provided.
Some refrigerators are provided with a chilled room 10 suitable for storing foods requiring freshness maintenance such as fish in a part of the refrigerator compartment 7. The chilled chamber 10 includes, for example, a synthetic resin chilled cover 10a whose upper surface can also be used as a shelf plate of the refrigerator compartment 7, and a synthetic resin chilled case 10b housed inside the chilled cover 10a so as to be able to be drawn out.
And a lid 10f and the like provided at the front opening of the chilled cover 10a so as to be openable and closable.

Since the center set temperature of the chilled chamber 10 is set to -1 ° C., which is several degrees lower than that of the refrigerator compartment 7, the air is blown by the blower fan 13 through a dedicated temperature control damper not shown. The amount of cool air is controlled, and the cool air is supplied to the chill room 10 from a cool air supply port 29a provided in the duct 29 at the rear of the chill room 10.
The cool air flowing out of the front gap passes through the gap between the bottom of the chilled case 10b and the heat insulating partition 5 and returns to the evaporator 11 via a return duct (not shown).

[0004]

The chilled chamber 1
Although the center set temperature of 0 is −1 ° C. as described above, in fact, the control operation is performed in the range of about 3 ° C. to −3.5 ° C., and the cold air is directly supplied to the chilled chamber 10 so that the food is There is a problem that the surface has a large latent heat change, is easily dried, and the freshness of the food is easily lowered. Therefore,
An object of the present invention is to provide a refrigerator in which a temperature change in a chilled chamber is made smaller.

[0005]

DISCLOSURE OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and comprises two inner and lower inner boxes of a refrigerator body which are filled with a heat insulating material between an outer box and an inner box. A chill room, a freezer room, and a vegetable room are partitioned by the heat insulating partition, and a chill room including a chilled cover and a chill case is provided at a lower portion of the refrigerator room so that cold air is supplied from a rear cool air supply port. In the refrigerator, a tray is provided inside the chilled case, which holds a cold storage material on the bottom surface and forms a cool air passage between the refrigerator and the chilled case, and passes cool air supplied from the cool air supply port through the cool air passage. I made it. The tray was made of aluminum. Further, an outlet for cool air is provided in front of the chilled case. Further, a part of the cool air supplied from the cool air supply port is diverted above the tray. Further, a cool storage material is attached to the ceiling of the chilled cover.

[0006]

FIG. 1 is a block diagram showing an embodiment of the present invention.
This will be described with reference to FIG. FIG. 1 is a side view showing the internal configuration of a refrigerator having a chilled chamber. Reference numeral 1 denotes a refrigerator main body including an outer box 2 made of a steel plate, an inner box 3 made of a synthetic resin, and a heat insulating material 4. The inside of the refrigerator body 1, that is,
The inner box 3 is divided into an upper refrigerator compartment 7, a middle freezer compartment 8, and a lower vegetable compartment 9 by two heat insulating partitions 5, 6, and a chilled compartment 10 described later is provided in the refrigerator compartment 7. Further, a partition body 11 is provided between the left and right sides of the opening of the freezing compartment 8 to partition the opening vertically.

An evaporator 12 for generating cool air and a blower fan 13 for supplying and circulating cool air to each of the chambers 7, 8, 9 and 10 are arranged on the back side of the freezing room 8, and are provided in a lower space of the evaporator 12. Is a defrosting heater 14 that is turned on during defrosting, an aluminum protective cover 15 that protects the defrosting heater 13 from defrosting water, and a machine chamber 16 formed at the lower rear of the refrigerator body 1. , A compressor 17 and an evaporating dish 18 for evaporating defrost water flowing down from the evaporator 12 are arranged. 19
Reference numerals 22 denote doors. The door 19 of the refrigerator compartment 7 is pivotally supported on one side so as to be openable and closable.
, And the door 22 of the vegetable compartment 9 is a drawer type, and drawer containers 26, 27, 28 supported by frames 23, 24, 25 are integrally provided behind the door.

Hereinafter, a chilled room 10 which is a feature of the refrigerator will be described.
Will be described. FIG. 2 shows an example of the chilled chamber 10 constructed according to the present invention.
Is a chilled cover 10a made of synthetic resin whose upper surface is also used as a shelf board
Inside the chilled cover 10a, a chilled case 10b made of a synthetic resin, which is provided so as to be able to be pulled out, and a cold storage material 10c is held on the bottom surface so as to secure a cool air passage 10d between the chilled case 10b. Aluminum tray 1
0e, and a lid 10f and the like provided at the front opening of the chilled cover 10a so as to be openable and closable.
A small cold air outlet 10g is formed in the lower front part of b.

Incidentally, since the center set temperature of the chilled chamber 10 is -1 ° C., which is several degrees lower than that of the refrigerator compartment 7, the cool air blown by the blower fan 13 via a dedicated temperature control damper (not shown). The amount of the food (shown in the figure) in the chilled room 10 is controlled by controlling the amount of the chilled room 10 by supplying it from a cold air supply port 29a provided in a duct 29 behind the chilled room 10 to a cool air passage 10d at the bottom of the chilled room 10 and cooling the cold storage material 10c. ) Is indirectly cooled, and the cool air discharged from the cool air outlet 10g flows through the gap between the chilled case 10b and the heat insulating partition 5 and returns to the evaporator 12 via a duct (not shown). .

The cold air supply port 29a is connected to the cold air passage 10
A part of the cool air supplied to d flows through the gap between the tray 10e and the chilled cover 10a to the upper part of the chilled chamber 10, but its amount is small. Therefore, even if the temperature is being controlled (the temperature control damper is operating), the chilled chamber 1
0 temperature change can be made smaller. FIG. 3 shows another example, in which the chilled chamber 10 described above is used.
The cold storage material 10c is also provided on the ceiling of the chilled cover 10a, that is, the ceiling of the chilled cover 10a to further reduce the temperature change of the chilled chamber 10.

[0011]

As described above, in the refrigerator having the chilled chamber as described above, the chilled chamber can be cooled almost indirectly while the cold storage material is storing the cold heat during the operation of the compressor. During shutdown, the chilled room can be indirectly cooled by releasing the cold stored in the cold storage material, so that the temperature change in the chilled room can be made smaller and the stored food can be prevented from deteriorating in quality. .

[Brief description of the drawings]

FIG. 1 is a side sectional view showing the inside of a refrigerator according to the present invention and a conventional example.

FIG. 2 is an enlarged view of a main part showing the first embodiment of the present invention.

FIG. 3 is an enlarged view of a main part showing a second embodiment of the present invention.

FIG. 4 is an enlarged view of a main part showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Refrigerator main body 5 Heat insulation partition body 6 Heat insulation partition body 7 Freezer room 8 Refrigeration room 9 Vegetable room 10 Chilled room 10a Chilled cover 10b Chilled case 10c Cold storage material 10d Cold air passage 10e Tray 10f Lid 10g Cold air outlet 29 Duct 29a Cold air

Claims (5)

[Claims] 1. The refrigerator according to claim 1, wherein the inner box of the refrigerator body, which is filled with a heat insulating material between the outer box and the inner box, is divided into a refrigerator compartment, a freezer compartment, and a vegetable compartment by upper and lower two heat insulating partitions. In a refrigerator provided with a chilled chamber including a chilled cover and a chilled case at a lower portion of the chamber and supplying cool air from a cool air supply port at a rear side, the chilled case holds a cold storage material on a bottom surface inside the chilled case. A refrigerator, wherein a tray forming a cool air passage is provided between the case and the case, and cool air supplied from the cool air supply port is passed through the cool air passage. 2. The refrigerator according to claim 1, wherein said tray is made of aluminum. 3. The refrigerator according to claim 1, wherein a cool air outlet is provided in front of the chilled case. 4. A part of the cool air supplied from the cool air supply port is diverted above the tray.
The refrigerator as described. 5. The refrigerator according to claim 1, wherein a cool storage material is held on a ceiling of the chilled cover.