JPH0399181A - Freezing refrigerator - Google Patents

Abstract

PURPOSE:To make a uniform distribution of temperature within a second freezing temperature region and to improve a storing characteristic of food by a method wherein a first freezing temperature region, a second freezing temperature region, a cold air duct and an auxiliary cold air duct for blowing cold air branched from the cold air duct are provided. CONSTITUTION:A freezing refrigerator is comprised of a first freezing temperature region chamber 2 of a freezing chamber for forcedly circulating a cold air and cooling it, a second freezing temperature region chamber 3 covered by an openable or closable lid 16 at a door inner plate 15 of the first freezing temperature region chamber 2 and having a cold air inlet port at an upper part of the lid 16 and a cold duct 18 arranged at a ceiling part of the first freezing temperature region chamber 2 so as to feed and blow the cold air to cool the second freezing temperature region chamber 3. The cold air branched from the cold air duct 18 is blown from an auxiliary cold air duct 51. With such an arrangement, it is possible to make a uniform temperature distribution within the second freezing temperature region chamber 3 and to improve a storing characteristic of the food.

Description

[Detailed description of the invention] Field of use in CFL industry) This invention relates to a refrigerator-freezer.

(Prior Art) Figure 6 is a side sectional view showing the main parts of a conventional refrigerator-freezer disclosed in, for example, Japanese Patent Application No. 'f'l-138104. Figure 7 is a perspective view of the inside of the door. .

In the 1st jl, 1 is the refrigerator-freezer body, 2 is the first freezing temperature zone chamber (hereinafter referred to as the first temperature zone chamber), which is a freezing chamber that cools by forced circulation of cold air, and 3 is the first temperature zone chamber 2. A second freezing temperature zone chamber (hereinafter referred to as the second temperature zone chamber) has a cover 16 that can be opened and closed on the inner door plate part 15 of the door, and has a cold air intake [116b] at the top of the lid 16, 4 is a heat insulating wall. The refrigerator compartment is separated from the upper part by 5. Further, a cooler chamber 6 is disposed at the rear of the first temperature zone chamber 2, and a cooler 6a and a fan 7 are housed therein, covered with a partition plate 8. There is an inner partition plate 9 on the back side of the partition plate 8, and a mouse case 10 is formed on the upper part. A freezer compartment and a Suita port 11 are provided on the upper part of the partition plate 8, and a freezer compartment suction 12 is provided on the upper surface of the heat insulating partition wall 5, which communicates with the lower part of the cooler 6a through a suction duct 13. There is.

Also, the second temperature zone chamber 3 is the inner panel of the freezer compartment door l4! Box-shaped opening/closing 1il6 (Fig. 2) with one side pivoted on 5 and the inner door plate 15
It is covered with a pocket 17 installed in the F section of the section to form a section. Reference numeral 18 denotes a cold air duct, which is attached to the inner box 19 on the ceiling of the first temperature zone room 2, and is connected to the front end 18a of the duct 18.
wrap around the four parts 16a of the lid 16, and open the cold air outlet 18b.
is placed opposite the cold air intake tab. 19a is a cold air outlet provided at the bottom of the door pocket l6.

Next, the operation of the conventional example will be explained using FIGS. 6 and 7. The cold air cooled by the cooler 6a is blown out from the air outlet 11 to the first temperature zone chamber 2 by the fan 7 to cool the first temperature zone chamber 2, and some of the cold air is sent to the cold air duct 1.
8, the cold air is blown from the cold air outlet [1 1 8 b into the cold air intake 16b of the second temperature zone chamber 3 of the opposite freezer compartment door l4, cools the inside, and is sucked in from the cold air outlet 19a! 3 and returns to the cooling room 6. Since the opening/closing lid 16 has appropriate heat insulation and sealing properties, the second temperature zone chamber 3
The temperature of is not affected by the room temperature of the surrounding first freezing temperature zone room,
Further, a constant amount of cold air is supplied from the cold air duct 18 without being affected by changes in the amount of cold air circulating to the first temperature zone door 14 due to food stars in the first temperature zone chamber 2.

[Problem to be solved by the invention]

As shown in E below, in the conventional example, if the cold air duct is to send sufficient cold air to the freezer compartment door, the cold air duct must be enlarged, and for this reason, the cold air duct is the first cold air duct.
It protrudes to the side of the freezer temperature zone room, making it difficult to store food inside the refrigerator. There was a problem in that the internal temperature deteriorated, causing an adverse effect on the food, leading to a decrease in the freshness of the food.

This invention was made to solve the above problems, and includes a plurality of auxiliary cold air ducts for cooling the second freezing temperature zone chamber, and a duct is also provided on the lid side as the auxiliary cooling duct. By providing an opening at a position facing the air outlet, the temperature distribution within the second freezing temperature zone chamber is made uniform, improving the preservation of food, and a cold air passage is formed using the duct cover and duct. The purpose is to reduce the protrusion of the duct toward the first freezing temperature zone chamber and improve food storage performance.

(Means for solving .i!a) For this reason, in this invention, the first freezing temperature zone chamber, which is a freezing chamber that is cooled by forced circulation of cold air, and the inside of the door of the first freezing temperature zone chamber are provided. a second freezing temperature zone chamber covered with a lid that can be opened and closed on the plate part and having a cold air intake in the upper part of the Δ; A cold air duct that sends and blows out cold air for cooling,
The above objective is achieved by a refrigerator-freezer which is provided with an auxiliary cold air duct formed to blow out cold air branched from the cold air duct at the front of the cold air.

Further, in the above invention, the cold air duct is constituted by a duct cover integrally formed with cold air guiding ribs provided on the insulation side of the refrigerator-freezer main body, and a duct provided on the first freezing temperature zone side. This is an attempt to achieve the above objective.

[Effect]

In the refrigerator-freezer according to the present invention, the first freezing temperature zone chamber is cooled by forced circulation of cold air, and the second freezing temperature zone chamber is covered with a lid that can be opened and closed on the inner plate of the door of the first freezing temperature zone chamber. Cool air is taken in from the cold air intake.

In addition, the cold air duct arranged on the ceiling of the first freezing temperature zone chamber sends and blows out cold air to cool the second freezing temperature zone chamber,
The auxiliary cold air duct blows out cold air branched from the cold air duct to cool the second freezing temperature zone room.

Further, in the above invention, the cold air duct is constituted by a duct cover that is integrally formed with cold air chamber ribs provided on the insulation side of the refrigerator-freezer body, and a duct provided on the first freezing temperature zone side. Reduce the overhang of the cold air duct.

〔Example〕

Hereinafter, one embodiment of the present invention will be explained based on the drawings.
Cheating.

Figure 1 is a side cutaway view of a refrigerator-freezer that is an example of the present invention, Figure 2 is a rear perspective view of the second freezing temperature zone chamber shown in Figure 1, and Figure 3 is the refrigerator shown in Figure 1. 4 is a side sectional view of the duct attachment part of FIG. 1, and FIG. 5 is a front sectional view of the second refrigeration unit shown in FIG. 3.

In the drawings, the same or equivalent components as in the conventional example are represented by the same reference numerals, and redundant explanation will be omitted.

In addition, in FIG. 1 of the drawings, 18c is a rib formed integrally with the duct 18, and the cold air duct (cold air air path) 50
It is designed so that the cold air flowing inside can be distributed to the left and right. A duct cover 20 is provided to face the duct 18 on the heat insulating material side of the ceiling of the first freezing temperature zone room 2, and the duct 18 and the duct cover 20 form a cold air duct (cold air air path) 50. There is. Further, in FIG. 2, reference numerals 21 and 22 indicate cold air intakes provided on the left and right sides of the opening/closing M16, respectively. In addition, in Figure 3 of the drawing, 2
Reference numeral 3.24 indicates a cold air outlet of the duct 18, which is provided at a location opposite to the left and right intake ports 21.22 of the opening/closing lid 16. Reference numerals 25 and 26 are cold air grilles that are fixed to the first freezing temperature zone side of the cold air outlet through a duct 18.

The duct 18 and the cold air grills 25 and 26 are provided with a plurality of claws 27, for example, on each part, as shown in FIG.
．． It is fixed at 28. That is, the duct provided on the side of the first temperature zone chamber 2 is provided with a claw part for fixing the duct, and the claw of the duct is hooked on the duct cover provided with the ribs for guiding cold air provided on the heat insulating material side. A hook part is provided to secure the cold air duct.

51 is an auxiliary cold air duct formed in the front part 18d of the cold air duct 50 to blow out cold air branched from the cold air duct 50, and is connected to the cold air intakes 21, 22 in FIG.
Cold air Suita mouths 23 and 24 and cold air grills 25 and 26 in Figure 3
It is composed of each of the following.

Next, the operation of this embodiment will be explained with reference to FIGS. 1 to 5, focusing on the auxiliary cold air duct. Cooler 6a
The cold air cooled by the fan 7 is sent to the freezer compartment Suita outlet 1! While cooling the if freezing temperature zone chamber 2 blown out from the
A portion of the cold air passes through the cold air passage 50, which is a cold air duct formed by the duct 18 and the duct cover 20, and is blown out to the second freezing temperature zone chamber 3, cooling the inside thereof and passing through the cold air exhaust port 19 to the freezing chamber suction port. The air is sucked into the suction duct 13 and returns to the cooler chamber 6.

On the other hand, the cold air sent to the cold air passage 50 in the duct 18 and the duct casing 20 is distributed between the center and the left side by a rib 18c provided in the duct 18 for cold air distribution. The cold air is separated to the right, and the air outlet [1 1 8 b and
The cold air blown out from the left and right cold air grills 25, 26 is blown into the 'A2 freezing temperature zone room through each of the cold air intakes 16b, 21, 22 provided in the opening/closing lid 16 to cool the inside.

In the above embodiment, separate cold air grills 25 and 26 were provided on the left and right sides of the duct 18, but these may be integrated into the duct 1B5, and in this case, the same effect as in the above embodiment is achieved. be effective.

(Effects of the Invention) As explained above, according to the present invention, the temperature distribution within the second freezing temperature zone chamber can be made uniform, food can be preserved and served in a better condition, and the food can be served in the first freezing temperature range. This has the effect of reducing the overhang of the duct provided on the ceiling of the J temperature zone chamber, and improving the ability to store food in the first freezing temperature zone chamber.

[Brief explanation of drawings]

FIG. 1 is a side sectional view of the refrigerator-freezer of the present invention, FIG. 2 is a perspective view of the second freezing temperature zone chamber in FIG.
Figure 4 is a cross-sectional view of the duct attachment part in Figure 1, Figure 5 is a front cross-sectional view of the freezer compartment in Figure 3, and Figure 6 is a longitudinal cross-section of the conventional refrigerator-freezer. 7 is a perspective view of the second freezing temperature zone chamber shown in FIG. 6. 1...Fridge-freezer body 2...First freezing temperature zone chamber 3...Second freezing temperature zone chamber 4...Fridge room 6... ...Cooler chamber 11...Freezer room blow-out [1 l4...1 Freezer room door 15-...Door inner plate 16...Opening/closing Δ 18... ...Duct 18b...Cold air outlet 18c...Rib 18d-...Front section 20...Duct cover Fig. 1 21.22... ...Cold air intake 25.26...
...Cold air grill 5 0 ...-? ? I'A Dak. G (cold air path) 5
1...Auxiliary cold air duct

Claims (2)

[Claims] (1) The first compartment is a freezer compartment that cools by forced circulation of cold air.
Covering the inner plate of the door of the freezing temperature zone chamber and the first freezing temperature zone chamber with a lid that can be opened and closed;
and a second freezing temperature zone chamber having a cold air intake in the upper part of the lid; and a second freezing temperature zone chamber disposed on the ceiling of the first freezing temperature zone chamber and supplying cold air to cool the second freezing temperature zone chamber and blowing out cold air. A refrigerator-freezer comprising: a duct; and an auxiliary cold air duct formed at a front portion of the cold air so as to blow out cold air branched from the cold air duct. (2) The cold air duct is characterized by consisting of a duct cover integrally formed with cold air guiding ribs provided on the insulation side of the refrigerator-freezer body, and a duct provided on the first freezing temperature zone side. The refrigerator-freezer according to claim 1, wherein: