JP2002147921A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To contemplate an increase of an air amount in a refrigerator and an improvement of a volume in the refrigerator in the refrigerator including a condenser in the refrigerator and in a freezing chamber. SOLUTION: There are provided a refrigerator fan 13 and a refrigerator condenser 12 such that center lines of the refrigerator fan 13 and the refrigerator condenser 12 of the sizes thereof in the direction of the width of the refrigerator when viewed from a front surface side of the refrigerator body 1 are different, and the refrigerator fan 13 is provided, inclined in the direction of a discharge duct opening 14 on the side of the refrigerator condenser 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling air circulation fan and a duct in a refrigerator having a refrigerator and a refrigerator.

[0002]

2. Description of the Related Art In recent years, a refrigerator having a refrigerator and a refrigerator provided in the refrigerator, for example, is disclosed in Japanese Patent Application Laid-Open No. 11-3114.
No. 76 is disclosed.

Hereinafter, the conventional refrigerator will be described with reference to the drawings.

FIG. 4 is a front sectional view of a conventional refrigerator. In FIG. 1, reference numeral 1 denotes a refrigerator main body. A refrigerator compartment is formed at an upper portion, and a freezer compartment is formed at a lower portion by a heat insulating wall. A refrigerator compartment door and a freezer compartment door (not shown) are provided at the front opening of each compartment. ing. Reference numeral 12 denotes a refrigerator compartment cooler, and the cold air cooled by the refrigerator compartment cooler 12 is supplied to the refrigerator compartment cooler 1.
2 by the refrigerator compartment fan 13 provided side by side
The air is blown to the discharge duct 14.

The cool air sent into the discharge duct 14 passes through a branch portion of the discharge duct 14 and flows through each of the two discharge ducts 14 branched in the width direction of the refrigerator body 1.
Cold air is discharged to the storage space in the refrigerator compartment through the discharge port 19 that communicates each discharge duct 14 extending in parallel with the storage space in the refrigerator compartment, and the food (not shown) stored in the storage space. , And returns to the refrigerator compartment cooler 12 again through the suction duct 23.

[0006]

However, in the above conventional configuration, the refrigerator compartment cooler 12, the refrigerator compartment fan 13,
The discharge duct 14 is arranged so that the center of the refrigerator width direction dimension when viewed from the front side of the refrigerator main body 1 is substantially collinear, and the discharge resistance of the refrigerator compartment fan 13 causes a large pressure loss. There was a drawback that the air volume was reduced.

[0007] Further, it is not possible to secure the cool air supplied to the shelf provided on the main body side of the refrigerator compartment door, and there is a drawback that the temperature of the upper shelf portion of the shelf becomes particularly high.

The present invention solves the above-mentioned conventional problems, and provides a refrigerator capable of appropriately securing an amount of cool air to be supplied to a storage space of a refrigerator and reducing uneven temperature in the storage space. .

Further, since the discharge duct 14 has a complicated U-shaped outline, it is not easy to reduce the dimension of the refrigerator body 1 in the depth direction while securing the cross-sectional area of the duct.

Another object of the present invention is to facilitate the design of the discharge duct while securing the duct cross-sectional area of the discharge duct,
An object of the present invention is to provide a refrigerator capable of increasing the storage space volume of a refrigerator.

[0011]

According to the first aspect of the present invention, a refrigerator compartment and a freezer compartment are provided with a refrigerator compartment cooler and a freezer compartment cooler, respectively, and the cool air of the refrigerator compartment cooler is cooled by the refrigerator compartment. In the refrigerator circulating through the fan, the discharge duct, the refrigerating compartment, and the suction duct, the refrigerating compartment fan and the refrigerating compartment cooler have different center lines in the width direction of the refrigerator as viewed from the front side of the refrigerator body. By providing the refrigerating compartment fan and the refrigerating compartment cooler as described above, and providing the refrigerating compartment fan in a direction inclined toward the discharge duct opening on the refrigerating compartment cooler side, the discharge of the refrigerating compartment fan is achieved. Since the pressure loss caused by the resistance can be reduced, the cool air blown from the refrigerating compartment fan can easily flow, and has the effect of increasing the air volume.

According to a second aspect of the present invention, in the first aspect of the present invention, the pressure loss in the discharge air passage is reduced by increasing the size of the discharge duct in the width direction of the refrigerator downstream from the upstream of the cool air. Has the effect of being able to.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the size of the discharge duct in the depth direction of the refrigerator is made smaller in the downstream of the cool air than in the upstream, that is, the duct is made thinner. This has the effect that the volume of the storage space of the refrigerator compartment can be increased.

According to a fourth aspect of the present invention, in the second or third aspect of the present invention, the cross-sectional area of the discharge duct on a surface substantially perpendicular to the flow of the cool air is constant, so that the discharge air volume of the cool air can be reduced. And the capacity of the storage space of the refrigerating compartment can be increased while maintaining the above condition.

According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, a heat insulating material is provided on a front surface of the discharge duct to secure a sectional area of the suction duct. In the meantime, it has an effect that the volume of the storage space of the refrigerator compartment can be increased.

According to a sixth aspect of the present invention, in the first aspect of the present invention, the discharge duct is provided on a rear portion and a top surface of the refrigerator compartment, so that the refrigerator compartment is provided. Of the storage space as well as the door side can be cooled without temperature unevenness.

The invention according to claim 7 is the invention according to any one of claims 1 to 6, wherein the shelf provided in the refrigerator compartment storage space, the discharge duct and the refrigerator compartment storage space are provided. And a suction port for communicating the storage space and the suction duct with each other, and the discharge port and the suction port are provided on the shelves, respectively, so that the storage space of the refrigerator room is provided. This has the effect that the air volume can be properly distributed to each of the shelves inside, and the temperature unevenness in the storage room space can be reduced.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. Note that the same components as those in the related art are denoted by the same reference numerals, and detailed description is omitted.

(Embodiment 1) FIG. 1 is a cross-sectional view of a refrigerator according to Embodiment 1 of the present invention, FIG. 2 is a cross-sectional view showing a mounted state of a refrigerator compartment fan of the embodiment, and FIG. It is the front sectional view showing the flow of cold air of the refrigerating room of the form.

In FIG. 1, reference numeral 1 denotes a refrigerator main body, and a refrigerator compartment 2 is formed at an upper portion and a freezer compartment 3 is formed at a lower portion by a heat insulating wall. Reference numeral 4 denotes a vegetable compartment, which is formed by partitioning a lower portion of the refrigerator compartment 2. A revolving door 5, a pull-out door 6, and a pull-out door 7 are provided at the front openings of the refrigerator compartment 2, the freezing compartment 3, and the vegetable compartment 4, respectively.

Reference numeral 8 denotes a storage container, which is pulled out integrally with the pull-out door 6 of the freezing room 3. Reference numeral 9 denotes a door storage unit, which is provided on the indoor side of the rotary door 5 of the refrigerator compartment 2.
At the bottom of the door storage section 9, a bottle shelf 10 for storing plastic bottles, milk packs and the like is provided. Reference numeral 11 denotes a storage container, which is pulled out integrally with the pull-out door 7 of the vegetable compartment 4. Reference numeral 21 denotes a low-temperature room, which is provided below the refrigerator room 2 and above the vegetable room 4, and the room temperature is set in a lower temperature zone than the refrigerator room 2.

Numeral 12 is a refrigerator cooler of a refrigeration cycle. The refrigerating compartment cooler 12 is disposed on the inner surface of the refrigerating compartment 2, and a refrigerating compartment fan 13 is provided in the vicinity. The refrigerating compartment fan 13 supplies the cold air that has been heat-exchanged and cooled by the refrigerating compartment cooler 12 to the refrigerating compartment 2, the vegetable compartment 4, and the low-temperature compartment 21 via the discharge duct 14.

Here, the refrigerator room fan 13 and the refrigerator room cooler 12 are arranged such that the center lines of the refrigerator width direction when viewed from the front side of the refrigerator body 1 are different from each other.
And a refrigerator compartment cooler 12 are provided, and the center line of the refrigerator compartment fan 13 is shifted from the center line of the refrigerator compartment cooler 12 to the discharge duct 1.
4 is designed to be located closer to the opening.

The refrigerating compartment fan 13 is mounted so as to be inclined toward the opening of the discharge duct 14.

In the discharge duct 14, the size of the duct in the width direction of the refrigerator main body 1 in the width direction of the cool air is the same as or larger than that of the duct downstream of the upstream.

Reference numeral 15 denotes a freezer compartment cooler of the refrigeration cycle. The freezer compartment cooler 15 is disposed on the inner surface of the freezer compartment 3,
A freezing room fan 16 is provided in the vicinity. The freezing room fan 16 supplies the cold air cooled by the heat exchange in the freezing room cooler 15 to the freezing room 3 via the freezing duct 17.

Numeral 18 is a refrigerator room top surface discharge duct, which is connected to the discharge duct 14 and is attached to the refrigerator room 2 top surface, and distributes cool air from the top surface into the refrigerator room 2.

Regarding the refrigerator configured as described above,
The operation will be described below.

The cool air cooled by the refrigerator cooler 12 is fed into the discharge duct 14 and the top of the refrigerator compartment discharge duct 18 by the refrigerator compartment fan 13 which is mounted to be inclined toward the opening of the discharge duct 14. It is. Refrigerator compartment fan 13
Is inclined to reduce the discharge resistance of the refrigerating compartment fan 13, suppress the pressure loss, and facilitate the flow of cool air.

The cold air that has passed through the discharge duct 14
It is sent to the discharge port 19, the low temperature room 21, and the vegetable room 4 provided in each shelf in the inside, and cools each storage space. The cool air that has passed through the refrigerator room top surface discharge duct 18 cools the storage spaces of the door storage units 9 and 10 provided on the indoor side of the rotary door 5 of the refrigerator room 2 and the shelves of the refrigerator room 2.

The cold air that has cooled the inside of the refrigerator compartment 2 passes through a suction duct 22 from a suction port 22 provided on each shelf of the refrigerator compartment 2 or a suction port 20 on the rear surface of the low-temperature chamber 21 and returns to the refrigerator compartment cooler 12 again. Is sent.

As described above, the refrigerator of the present embodiment can reduce the power consumption because the refrigerator compartment fan 13 can be rotated with less energy when trying to obtain the same air volume as the conventional one. Can be operated and the refrigerator compartment fan 13 can be operated at a low rotation.
3 can be reduced.

The discharge duct 14 is connected to the refrigerator cooler 12
The width of the air duct in the discharge duct 14 can be made larger by increasing the width dimension downward, so that the air duct resistance can be reduced and the specific refrigerator compartment represented by the vegetable compartment 4 can be uniformly freshened. It can supply cool air.

Further, since the size of the discharge duct 14 in the depth direction can be reduced, the depth size in the refrigerator compartment 2 can be increased, so that the internal volume can be increased and a large internal storage space can be provided.

Further, in the discharge duct 14, the width can be increased toward the lower part of the refrigerator compartment cooler 12 and the depth thereof can be reduced while securing the air passage area, and the cooling performance in the refrigerator compartment 2 can be maintained. Not only can pressure loss in the air path be suppressed, but also the internal volume can be kept large.

Further, by providing a heat insulating material 14A such as styrene foam only on the front surface of the discharge duct 14 and not attaching it to the suction duct 23 having a relatively high temperature, the duct cross-sectional area of the suction duct 23 can be ensured and the suction can be performed. By reducing the resistance, the air volume can be increased, and the depth dimension in the refrigerator compartment 2 can be increased, so that a large internal volume in the refrigerator compartment 2 can be secured.

The discharge duct 14 is connected to the refrigerator compartment fan 13.
Not only in the same direction as the rotation direction of the refrigeration compartment, but also by discharging cold air from the top surface through the refrigeration room top surface discharge duct 18, particularly in the past, where the temperature tends to be high due to the opening and closing of the door, etc. And the cooling of the door storage portion is promoted, the deterioration of the quality of the stored food is suppressed, and the storage stability can be improved.

Further, by providing the discharge port 19 and the suction port 22 on each shelf of the refrigerator compartment 2, it is possible to secure cool air to each shelf and to improve the temperature distribution in the refrigerator as compared with the conventional case. Quality deterioration is suppressed, and storage stability can be improved. Note that the discharge port 19 and the suction port 22 closer to the refrigerator compartment fan 13 are provided.
By increasing the area of the discharge port 19 and the suction port 22 on the far side, the air volume can be adjusted, so that the temperature distribution in the refrigerator can be further improved. further,
By providing the discharge port 19 and the suction port 22 on the same shelf, the distance between the discharge port 19 and the suction port 22 can be shortened as compared with the related art that requires a single suction port 22 and a long duct. Cold air can always be supplied to the refrigerator.

[0039]

As described above, according to the first aspect of the present invention, a refrigerator compartment and a freezer compartment are provided with a refrigerator compartment cooler and a freezer compartment cooler, respectively, and the cool air of the refrigerator compartment cooler is cooled by a refrigerator compartment fan. In the refrigerator circulating through the discharge duct, the refrigerating compartment, and the suction duct, the refrigerating compartment fan and the refrigerating compartment cooler have different center lines in the refrigerator width direction when viewed from the front side of the refrigerator main body. By providing the refrigerating compartment fan and the refrigerating compartment cooler, and by providing the refrigerating compartment fan inclined toward the discharge duct opening on the refrigerating compartment cooler side, the discharge resistance of the refrigerating compartment fan Since the generated pressure loss can be reduced, the cool air blown from the refrigerating compartment fan can easily flow and the air volume can be increased.

According to a second aspect of the present invention, in the first aspect of the present invention, the pressure loss in the discharge air passage is reduced by increasing the size of the discharge duct in the width direction of the refrigerator downstream from the upstream of the cool air. it can.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the size of the discharge duct in the depth direction of the refrigerator is made smaller in the downstream of the cool air than in the upstream, that is, the duct is made thinner. Therefore, the volume of the storage space of the refrigerator compartment can be increased.

According to a fourth aspect of the present invention, in the second or third aspect of the present invention, since the cross-sectional area of the discharge duct on a surface substantially perpendicular to the flow of the cool air is constant, the discharge air volume of the cool air can be reduced. , The volume of the storage space of the refrigerator compartment can be increased.

According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, a heat insulating material is provided on a front surface of the discharge duct to secure a sectional area of the suction duct. Meanwhile, the volume of the storage space of the refrigerator compartment can be increased.

According to a sixth aspect of the present invention, in the refrigeration room according to any one of the first to fifth aspects, the discharge duct is provided at a back portion and a top portion of the refrigeration room. Not only the back side of the storage space but also the door side can be cooled without temperature unevenness.

The invention according to claim 7 is the invention according to any one of claims 1 to 6, wherein the shelf provided in the storage room for the refrigerator, the discharge duct, and the storage space for the refrigerator are provided. And a suction port for communicating the storage space and the suction duct with each other, and the discharge port and the suction port are provided on the shelves, respectively, so that the storage space of the refrigerator room is provided. The distribution of the air volume to each shelf in the inside can be made appropriate, and the temperature unevenness in the storage room space can be reduced.

[Brief description of the drawings]

FIG. 1 is a sectional view of Embodiment 1 of a refrigerator according to the present invention.

FIG. 2 is a cross-sectional view showing a state in which a refrigerator fan according to the first embodiment of the present invention is mounted.

FIG. 3 is a front view of the refrigerator compartment according to the first embodiment of the refrigerator according to the present invention.

FIG. 4 is a front sectional view of a conventional refrigerator.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Refrigerator main body 2 Refrigerator room 3 Freezer room 12 Refrigerator room cooler 13 Refrigerator room fan 14 Discharge duct 15 Refrigerator room cooler 18 Refrigerator room top surface discharge duct 19 Discharge port 22 Suction port 23 Suction duct

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Hideki Fukui 4-5-2-5 Takaidahondori, Higashiosaka-shi, Osaka Matsushita Refrigerator Co., Ltd. F-term (reference) 3L045 AA07 BA01 CA02 DA02 EA01 HA02 PA04

Claims (7)

[Claims] 1. A refrigerator compartment and a freezer compartment each having a refrigerator compartment cooler and a freezer compartment cooler, respectively, and circulating cool air of the refrigerator compartment cooler through a refrigerator compartment fan, a discharge duct, the refrigerator compartment, and a suction duct. In the refrigerator, the refrigerator compartment fan and the refrigerator compartment cooler are provided so that the center line of the refrigerator width direction dimension when viewed from the front side of the refrigerator main body of the refrigerator compartment fan and the refrigerator compartment cooler is different, A refrigerator, wherein the refrigerator compartment fan is provided to be inclined in the direction of the discharge duct opening on the refrigerator compartment cooler side. 2. The refrigerator according to claim 1, wherein the size of the discharge duct in the width direction of the refrigerator is larger at the downstream side than at the upstream side of the cool air. 3. The refrigerator according to claim 1, wherein the size of the discharge duct in the depth direction of the refrigerator is smaller at the downstream side than at the upstream side of the cool air. 4. The refrigerator according to claim 2, wherein the cross-sectional area of the discharge duct on a surface substantially orthogonal to the flow of the cool air is constant. 5. The refrigerator according to claim 1, wherein a heat insulating material is provided on a front surface of the discharge duct. 6. The refrigerator according to claim 1, wherein the discharge duct is provided at a rear part and a top part of the refrigerator compartment.
A refrigerator according to any one of the preceding claims. 7. A refrigerator provided with a shelf provided in the refrigerator compartment storage space, a discharge port communicating the discharge duct with the refrigerator compartment storage space, and a suction port communicating the refrigerator compartment storage space with the suction duct. , The discharge port and the suction port,
2. The system according to claim 1, wherein said shelves are provided respectively.
A refrigerator according to any one of claims 1 to 6.