JPS5832303B2 - refrigerator - Google Patents

Description

[Detailed Description of the Invention] The present invention utilizes the chimney effect without using a blower.
This invention relates to an invention in which heat from a compressor and a wire condenser is discharged to the outside from the upper back of the refrigerator.

As a means of reducing the depth (when installed) of a refrigerator or as a means of improving the rear design, the compressor and condenser (conventionally installed exposed at the rear of the refrigerator) are generally housed in the machine compartment, and these compressor and condenser are There are many types of refrigerators on the market that use a blower to forcibly radiate heat from the refrigerator and condenser to the outside.

Also, recently, refrigerators that use the back plate of the refrigerator as a condenser and have an improved design for that part have also come on the market.

Refrigerators that forcibly emit heat to the outside using a blower have the disadvantage that not only does the cost of installing the blower increase, but the amount of power consumption that is required to run the blower is adversely affected. .

In addition, for the latter type of refrigerator where only the condenser serves as the back panel, although the design of that part is improved, the machine compartment where the compressor is housed is completely visible from the back, so the back design is This is not to say that the design of the other surfaces of the refrigerator has improved.

Furthermore, this type of refrigerator had a defect in which items could be dropped into the space formed between the back of the refrigerator, which serves as a condenser, and the wall.

In order to improve these defects, the present invention installs a cover plate over almost the entire length of the refrigerator to form a chimney between it and the back panel of the refrigerator, and utilizes the heat from the compressor and condenser installed in the machine room through the chimney. Moreover, the heat is radiated to the outside by natural convection without using a blower, and the cover plate can be attached closely to the rear wall or the like.

The details of the present invention will be explained below with reference to an embodiment shown in the drawings.
is a refrigerator, and this refrigerator body 1 includes an outer box 2, a foam insulation material 3,
It consists of an inner box 4, etc., and a machine room 7 in which a compressor 5 and a condenser 6 are housed is formed at the bottom.

9 closes the front opening of the chamber interior 8 formed by the inner box 4 □
It is.

10 is a slight distance from the back plate 2a of the refrigerator (30 to 70
This is a cover plate that can be installed at a distance of 1 mm).

As shown in FIG. 1, this cover plate 10 is provided over the entire length of the refrigerator body and also covers the machine compartment 7.

That is, this cover plate 10 has a chimney 11 between it and the refrigerator back plate 2a.
It forms the

12 is a decorative frame having a discharge slit 13 attached to the upper end of the chimney 11.

This decorative frame 12 crosses the previous chimney and the refrigerator back plate 2a
The handle 14a, which is recessed so as to reach the handle, also has a handle 14, which is a ventilation hole provided in the handle.

Further, when attaching the decorative frame 12 to the refrigerator main body 1, it is very convenient to use the handle 14 portion (ie, the portion that contacts the refrigerator back plate 2a).

Further, the decorative frame 12 has an F that holds the end surface 10a of the cover plate 10.
It has a groove-shaped holding part 12a.

15 is a base forming the lower surface of the machine room 7.

The lower end of the cover plate 10 comes into contact with this base 15 and the machine room 7
and the chimney 11 are communicated with each other.

16 is a suction port provided in the base 15.

17 is a wire condenser installed directly above the suction port and across the entire width.

All of these are installed in the machine room 7 as shown in the figure, and the compressor 5 is located approximately below the chimney 11, and the wire condenser 17 is installed facing the air intake port. There is.

19 is a machine room cover that covers the front side of the machine room 7.

Reference numeral 20 denotes a defrost water receiver (not shown in the figure, but it is a defrost water receiver used when frost adhering to the cooler is melted). Inside this defrost water receiver 20, there is a condenser 17 as shown in FIG. A part of the defrost water is always located and forcibly evaporates the defrosting water.

21 is a leg. The height of the legs 21 is about 20 to 50 mm, and is used to create a perfect distance between the lower surface of the space 15 and the floor surface etc. when the refrigerator is installed.

Reference numeral 22 denotes a fixture, and by providing this fixture 22 in a proper position, the cover plate can be attached as shown in FIG. 2, and the cover plate (usually a thin iron plate) can be prevented from becoming bent.

Heat exchange between the condenser and compressor of the refrigerator having such a configuration and the outside air is performed through the suction port 16 on the bottom surface of the condenser 17.
First, the condenser 17 sufficiently exchanges heat with the air entering approximately perpendicularly to the wire condenser 17, and then the temperature of the condenser 17, which reaches the compressor 18, is usually 40 to 50 degrees Celsius, so the temperature is around 70 degrees Celsius to 80 degrees Celsius. It further exchanges heat with the compressor 5, which has a temperature of , and becomes lighter and rises inside the chimney 11.

At this time, the chimney 11 serves to collect high-temperature air that has passed through the condenser-17 compressor 5.

Due to the natural convection that occurs in this way, this refrigerator achieves the same effect as conventional refrigerators that use a blower to dissipate heat.

In addition, since the portion that serves as the discharge port for the heat radiation air at this time is in contact with the decorative frame portion that is installed approximately at the same height as the top surface of the refrigerator, there is no harm to the design at all.

Furthermore, since the handle is provided with a ventilation hole 14a, the flow of heat radiation air is not obstructed.

As explained above, the present invention provides a cover plate that covers almost the entire back surface including the machine room on the back side of the refrigerator, and an opening between the cover plate and the back side of the refrigerator at the top or near the ceiling surface of the refrigerator. In a refrigerator in which a chimney whose lower part communicates with the machine room is formed, and a decorative frame is attached to the upper opening of the chimney, there is a chimney on the back side of the decorative frame that extends across the chimney and reaches the back plate of the refrigerator. In addition to providing a concave handle, this handle is used to screw the decorative frame to the refrigerator body, so the heat radiated by the compressor and condenser can be transferred to the outside without the need for a blower as in the conventional case. In addition to improving the back design, the refrigerator can be installed closely against the back wall to prevent items from falling to the back of the refrigerator when the refrigerator is installed.

In addition, the air intake of the present invention utilizes the space created by the conventionally provided legs between the base and the floor surface, etc., so there is no need to add any design to this area, so it can be made cheaper. It is.

Since the decorative frame forming the discharge slit of the other vehicle invention has a handle, a clamping portion, etc. integrally formed therein, the decorative frame itself can be easily attached.

In addition, in the present invention, since the decorative frame is screwed to the refrigerator body using the handle of the decorative frame, when the refrigerator is transported using the handle, even if the weight of the refrigerator is applied to the handle, the handle cannot be screwed. Therefore, the handle will not be damaged.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a refrigerator equipped with the present invention as seen from the back side, FIG. 2 is a longitudinal sectional view of FIG. 1, and FIG. 3 is a plan view of the machine compartment of the refrigerator equipped with the present invention. .

Claims (1)

[Scope of Claims] 1. A cover plate 10 is provided on the back side of the refrigerator 1, including the machine room 7, and covers almost the entire area of the back side, and between this cover plate 10 and the back side of the refrigerator 1, the upper part A chimney 11 is formed that opens near the ceiling and communicates with the lower part of the machine room 7, and this chimney 1
In a refrigerator in which a decorative frame 12 is attached to the upper opening of the refrigerator, a handle 14 is provided on the back side of the decorative frame 12 and is recessed so as to cross the chimney 11 and reach the refrigerator back plate 2a. This refrigerator is characterized in that the decorative frame 12 is screwed to the refrigerator main body 1 using the handle 14. 2. The refrigerator according to claim 1, characterized in that a vent hole 14a is formed in the handle 14 of the decorative frame 12, which is recessed across the chimney 11 from the back side to the refrigerator back plate 2a. island