JP2862959B2 - Underfloor storage device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an underfloor storage device having a storage having a freezer.

2. Description of the Related Art Underfloor storage devices are those in which a storage provided with a freezer is installed under the floor, and its use in homes has been expanding in recent years as an effective use of three-dimensional space.

A conventional underfloor storage device stores a plurality of storages in a closed storage room under the floor except for an opening on the floor surface as proposed in, for example, Japanese Patent Application Laid-Open No. 60-215974.

Hereinafter, a conventional underfloor storage device as described above will be described with reference to the drawings.

FIG. 2 is a side sectional view in which a conventional underfloor storage is installed under the floor.

In FIG. 2, 1 is a floor surface, and 2 is a storage room. The storage room 2 is provided under the floor and is surrounded by a wall surface 3. Reference numeral 4 denotes an opening, which is provided on the floor 1 and has a plurality of storages 6a, 6b having refrigerators 5a, 5b on both sides below the opening 4, which are stationary on the fixed bases 7a, 7b. Have been. In addition, both refrigerators 5a, 5b
Are generally referred to as a refrigerator 5. The storages 6a and 6b can be moved left and right and up and down in the storage chamber 2 by the lifting device 8. Reference numeral 9 denotes a door provided on the floor 1 at the opening 4 and opens and closes in conjunction with the vertical movement of the storage 6.

Next, FIG. 3 is a view for explaining the basic principle of the refrigerator 5 used in the conventional technique. In FIG. 3, 15 is an electric motor for driving a compressor 16, 16 is a compressor for adiabatically compressing a cooling medium such as Freon gas, and 17 is storages 6a and 6b.
Evaporator to remove heat from etc. and cool the surroundings, 18
Is an expansion valve for adiabatically expanding a cooling medium such as Freon gas, and 19 is a condenser for releasing the heat absorbed by the evaporator 17.

 The operation of the refrigerator having the above configuration will be described below.

The compressor 16 is driven by the electric motor 15, and the cooling medium such as Freon gas undergoes adiabatic compression. The cooling medium moves to the evaporator 17 in a cooled state, where it evaporates to keep the surroundings at a low temperature. Next, the cooling medium moves to the expansion valve 18 and is adiabatically expanded. Next, the cooling medium moves to the condenser 19 and releases the absorbed heat.

The underfloor storage of the underfloor storage device having the above configuration has a structure in which the exhaust heat of the refrigerator is trapped in the storage room and is exhausted at least when the elevating device moves or the door is opened and closed.

[Problems to be Solved by the Invention] However, in the underfloor storage of the above-mentioned conventional underfloor storage device, the exhaust heat of the refrigerator 5 is trapped in the storage room 2 and the efficient exhaust heat cannot be performed. In addition, there was a problem that food could not be stored stably. The reason for this is that, as described in FIG. 3, the condenser 19 serves as a heating element, and the exhaust heat is trapped in the storage chamber or the electric motor for driving the compressor 16.
This is because 15 is also likely to generate heat.

The present invention, in order to solve the problem of the conventional underfloor storage device, provided an intake port, an exhaust port at a specific position of the storage room wall,
It is an object of the present invention to provide an underfloor storage device capable of preventing waste heat from being stored in a storage room and stably storing food for a long time.

[Means for Solving the Problems] To achieve the above object, the underfloor storage device of the present invention comprises:
An underfloor storage device including a plurality of storages provided with refrigerators in a storage room formed under the floor, wherein at least two of the plurality of refrigerators are arranged on a side wall side of the storage room. An intake port is provided on a side wall near the one refrigerator, and an exhaust port is provided on a side wall near the other refrigerator.

In the configuration of the present invention, it is preferable that the one refrigerator and the intake port face each other, and the other refrigerator and the exhaust port face each other.

[Operation] According to the configuration of the present invention described above, since the refrigerators are respectively installed near the intake port and the exhaust port, the amount of exhaust heat to flow is large, and the radiation efficiency of the storage and the storage room is improved. Can be. The reason is that if an intake port or an exhaust port is provided near the refrigerator that is easy to heat, the wind speed can be increased,
This is because heat exchange can be easily performed. As a result, it is possible to provide an underfloor storage device that lowers the temperature in the storage chamber and enables long-term stable storage of food in the storage.

According to the configuration of the present invention in which one refrigerator and the intake port face each other, and the other refrigerator and the exhaust port face each other,
Abnormal stagnation of the heated air can be prevented, and heat exchange can be efficiently performed as a whole.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

In FIG. 1, 1 is a floor surface and 2 is a storage room. The storage room 2 is located below the floor surface 1 and is surrounded by a wall surface 3. Reference numeral 4 denotes an opening, which is provided on the floor 1 and has a plurality of storages 6a, 6b provided with refrigerators 5 on both sides below the opening 4 stationary on the fixed bases 7a, 7b and moving up and down. The inside of the storage room 2 is moved right and left and up and down by the device 8. Reference numeral 9 denotes a door provided on the floor 1 at the opening 4 and opens and closes in conjunction with the vertical movement of the storage 6. Reference numeral 10 denotes an intake port on the side wall surface 3 facing and adjacent to the refrigerator 5a of the storage 6a, and reference numeral 11 denotes an exhaust port on the side wall surface 3 facing the refrigerator 5b of the storage 6b. 12 is a fan for exhaust, 13 is a refrigerator
This is a duct provided near 5a and 5b.

More specifically, in the above configuration, storage units 6a and 6b each having a capacity of 100 are arranged in the underfloor storage room 2 as shown in FIG. The size of intake port 10 and exhaust port 11 are respectively
It is preferably 400 cm ² or more. The fan 12 is
And the exhaust port 11 may be provided, but may be provided only in the exhaust port 11. Since the exhaust fan 12 is under the floor,
It is not preferable to make the rotation speed too high from the viewpoint of generating noise, and it is preferable that the rotation speed is about the same as or less than the exhaust fan of a ventilation fan used in a home kitchen. Further, ducts 13 may be provided at the intake port 11 and the exhaust port 11, respectively, so that a fluid having a high flow velocity may hit the refrigerators 5a and 5b. This is for performing heat exchange efficiently.

As described above, according to the configuration of the present embodiment, the refrigerator 5a of the storage 6a facing the intake port 10 and the refrigerator 5b of the storage 6b facing the exhaust port 11 are efficiently cooled by the intake and exhaust convection. And
The heat radiation efficiency of the refrigerator 5 can be improved, the temperature in the storage room can be reduced, and the food in the storage can be stably stored for a long time.

Since heat is easily generated mainly during operation of the compressor (FIG. 3), in the present invention, the fan of the intake port 10 and / or the exhaust port 11 is operated in conjunction with the operation of the compressor. You may make it rotate.

[Effects of the Invention] As described above, according to the present invention, at least two refrigerators of a plurality of refrigerators are arranged on the side wall side of the storage chamber, and an intake port is provided on a side wall near the one refrigerator. Along with the provision of the exhaust port on the side wall in the vicinity of the other refrigerator, the amount of discharged heat is large, the heat radiation efficiency of the storage and the storage room can be increased, and the temperature of the storage room can be reduced.
An excellent effect of enabling long-term stable storage of food in the storage can be achieved.

According to the preferred apparatus of the present invention, wherein the one refrigerator and the intake port face each other, and the other refrigerator and the exhaust port face each other, abnormal retention of heated air can be prevented, An excellent effect that heat exchange can be efficiently performed as a whole can be achieved.

[Brief description of the drawings]

FIG. 1 is a side sectional view of an underfloor storage device showing one embodiment of the present invention, FIG. 2 is a side sectional view of a conventional underfloor storage device, and FIG. 3 shows the basic principle of a refrigerator used in the prior art. FIG. 1 ... under floor, 2 ... storage room, 3 ... wall surface, 5a ... refrigerator, 5b ... refrigerator, 6a ... storage, 6b ... storage, 10
… Inlet, 11 …… exhaust.

Claims (2)

(57) [Claims] 1. An underfloor storage device comprising a plurality of storages provided with refrigerators in a storage room formed below a floor, wherein at least two of the plurality of refrigerators are provided in the storage room. An underfloor storage device arranged on a side wall side, wherein an intake port is provided on a side wall near the one refrigerator and an exhaust port is provided on a side wall near the other refrigerator. 2. The underfloor storage device according to claim 1, wherein the one refrigerator and the intake port face each other, and the other refrigerator and the exhaust port face each other.