JP3318234B2 - refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve an anti-bacterial effect in air and in an entire inner side of a refrigerator by a method wherein an anti-bacterial means containing volatile anti-bacterial substances is installed within a refrigerator chamber and the anti-bacterial means is arranged at an upper part in the refrigerator chamber when a vapor specific weight of the anti-bacterial substance is high and in turn the anti-bacterial means is arranged at a lower part in the refrigerator chamber when a vapor specific weight of the anti-bacterial substances is low. SOLUTION: An anti-bacterial means 16 placed at an upper part of a wall surface of a cold air discharging duct 11 is comprised of anti-bacterial material having anti-bacterial substance with 'wasabi' extract immersed into oil-based gel, for example, and a resin case molded into a cylindrical shape for filling anti-bacterial material, for example, and further the inner wall of the resin case is provided with some fine holes. Anti-bacterial substances gasified into gas form from the anti-bacterial material having a high vapor specific weight of the volatile anti-bacterial substances are dispersed through the fine holes in the resin case and then flowed into a refrigerator chamber 5 together with cold air through a cold air discharging port of a cold air discharging duct 11. In addition, in the case that a vapor specific weight of volatile anti-bacterial substances of the anti-bacterial material is low, a mounting position of the anti-bacterial means 16 is placed at the lower part of the cold air duct 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator having an antibacterial function in a refrigerator.

[0002]

2. Description of the Related Art Generally, foods are not sufficiently antibacterial and antifungal when stored in a refrigerator at a low temperature. That is, in a refrigerated environment, the growth rate of bacteria and mold is reduced, but the growth is not stopped. Conventionally, a specification has been proposed in which various antibacterial materials are kneaded into a resin. Such a specification is described in Japanese Patent Application Laid-Open No. 8-210761.

Hereinafter, the conventional antibacterial specification will be described with reference to FIG. Reference numeral 1 denotes a refrigerator main body composed of a heat insulating material 2. A refrigerator compartment 5 is formed at an upper portion, a freezing compartment 6 is formed at a middle portion, and a vegetable compartment 7 is formed at a lower portion by partition walls 3 and 4.

[0004] 8 is a refrigeration cycle cooler, 9 is a cooler 8
A blower 10 for forcibly blowing the cool air cooled in the cooling room 5 and the freezing room 6 is a compressor provided at the bottom of the main body. The blower 9 is configured to operate in synchronization with the compressor 10 of the normal refrigeration cycle.

[0005] Reference numeral 11 denotes a cool air discharge duct for allowing cool air cooled in the cooler 8 to flow into the refrigerator compartment 5 by the blower 9. Reference numeral 12 denotes an inner box of the vegetable compartment 7 formed of a resin, to which a silver-based antibacterial material 13 is added.

With such a configuration, the antibacterial material 13 is improved so that the silver-based antibacterial material 13 added to the resin under humid conditions does not absorb moisture and swell on the resin surface.

[0007]

However, the above-mentioned conventional antibacterial specification performs antibacterial action against bacteria adhering to the surface of a component in which an antibacterial material in a refrigerator is kneaded, but does not include bacteria floating in the air. The antibacterial effect was not exerted on bacteria adhering to the food surface, and thus the antibacterial effect was low in practical use.

The present invention has been made in view of the above-mentioned problems, and provides an antibacterial means having a volatile antibacterial component in a refrigerator to provide a refrigerator having a high antibacterial effect throughout the refrigerator, including the air and the food surface. The purpose is.

[0009]

Means for Solving the Problems In order to solve this problem,
The refrigerator of the present invention includes a refrigerator main body having a refrigerator compartment defined above a freezer compartment, a cooler, a blower for forcibly ventilating the cool air from the cooler into each compartment, and a plurality of blowers provided vertically in the refrigerator compartment. A cold air discharge duct that has a cool air discharge port and discharges cool air from the blower into the refrigerator compartment, and a honeycomb shape having a volatile antibacterial component mainly composed of wasabi extract
Consisting of antibacterial means composed of antibacterial material molded into
The area facing the cool air discharge duct is maximized.
Thus, the antibacterial means is installed above the inner wall surface of the cool air discharge duct. Thereby, it is possible to prevent the volatile antibacterial component from causing a concentration difference between the upper and lower portions of the refrigerator compartment and to uniformly antibacterialize the inside of the refrigerator. Specific surface area of antibacterial material against cold air
Large and high throughout the room, including the air and food surfaces
An antibacterial effect is obtained.

[0010]

[0011]

Further, the freezer compartment and the refrigerating compartment are partitioned.
Refrigerator main body and an empty room provided in the refrigerator compartment in the vertical direction.
Ventilation duct and blow air from above to below
A blower for air circulation in the refrigerator compartment,
Antibacterial components as the temperature installed on the windward side of the duct increases
Antibacterial means in which the amount of volatilization increases, and the temperature in the refrigerator compartment
A refrigerating compartment temperature detecting means for detecting the refrigerating compartment temperature.
The temperature of the refrigerator compartment detected by the detecting means is equal to the set temperature.
If it is within the range of, the blower is operated at normal rotation,
If the temperature is higher than the set temperature range, stop the blower,
If the temperature is lower than the set temperature range, the fan is rotated at a high speed.
Switch . Thereby, when the temperature in the refrigerator compartment is high and the volatilization amount of the antibacterial component is large, the blowing means is stopped,
When the temperature in the refrigerator compartment is low and the amount of the antibacterial component volatilized is small, the rotation speed of the blowing means is rotated at a high speed to increase the amount of the antibacterial component released from the antibacterial means. Thereby, the volatile antibacterial component released from the antibacterial means is always released at a constant concentration without being influenced by the temperature in the refrigerator compartment, and is uniformly diffused into the refrigerator compartment, so that the surface of the internal components, air A high antibacterial effect can be obtained in the entire refrigerator compartment including medium and food surfaces.

[0013] Further, a freezer compartment and a refrigerator compartment are formed.
A refrigerator main body and an air circulation provided in the refrigerator in a vertical direction.
Blow air from below to the ring duct and the circulation duct
A blower for circulating air in the refrigerator,
The higher the temperature installed on the windward side of the
Antibacterial means that emits a large amount and detects the temperature in the refrigerator compartment
Refrigeration room temperature detecting means to perform door opening and closing detection
Output means, and is detected by the refrigerator temperature detecting means.
The temperature of the refrigerating room is turned on by the air circulation blower.
If the temperature is higher than the set temperature, stop the blower and turn on the
If the temperature is lower than the set temperature, operate the blower at normal speed
When the door opening / closing detecting means detects the door opening / closing,
The blower is rotated at a high speed for a fixed time . With this, after the door is opened and closed, the rotation speed of the air blowing means is set to high speed, and the amount of volatile antibacterial components released from the antibacterial means is temporarily increased, so that airborne bacteria entering the compartment by opening and closing the door can be removed. In addition to antibacterial, a high antibacterial effect is obtained in the entire refrigerator compartment including the surface of components in the refrigerator, the air, and the surface of food.

[0014]

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a refrigerator main body having a refrigerator compartment defined above a freezer compartment, a cooler, a blower for forcing the cool air from the cooler to flow into each compartment, and A cool air discharge duct that has a plurality of cool air discharge ports provided above and below and discharges cool air from the blower into the refrigerator compartment, and an antibacterial molded into a honeycomb shape having a volatile antibacterial component mainly composed of wasabi extract. Area consisting of antibacterial means composed of a material and facing the cold air discharge duct
By installing the antibacterial means at the upper part of the inner wall surface of the cold air discharge duct so as to maximize the temperature, the gaseous antibacterial component is uniformly diffused with the circulating cool air from the cool air discharge port into the refrigerator, and the upper and lower sides of the refrigerator compartment Prevents the concentration difference of antimicrobial components from occurring in the refrigerator, and antibacterial removes all bacteria that adhere to the surface of components in the refrigerator, bacteria that are floating in the air, and bacteria that adhere to the food surface. Therefore, there is an effect that a high antibacterial effect can be obtained in total. Also, increase the specific surface area of the antibacterial material against cold air,
High antibacterial effect is obtained in the whole room including the air and food surfaces.
There is an effect that is.

[0015]

[0016]

Further, according to the present invention, the freezing compartment and the refrigeration compartment are divided.
The refrigerator body thus formed and the refrigerator room are installed vertically.
Girder air circulation duct and the circulation duct from bottom to top
A blower for air circulation of the refrigeration compartment to wind sent to the
The higher the temperature installed on the windward side in the circulation duct, the higher the resistance
Antibacterial means for increasing the amount of bacterial components volatilized;
A refrigerating compartment temperature detecting means for detecting a temperature,
The refrigerator room temperature detected by the room temperature detecting means is
If the temperature is within the range of the constant temperature, the blower is operated at the normal rotation.
If it is higher than the set temperature range, stop the blower
And if the temperature is lower than the set temperature range, the blower is raised.
Switching to rotation . Thus, when the temperature in the refrigerator compartment is high and the volatilization amount of the antibacterial component is large, the blowing means is stopped, and when the refrigerator room temperature is low and the volatilization amount of the antibacterial component is small, the rotation speed of the blowing means is rotated at high speed, Increase the amount of antimicrobial components released from the means.

Thus, the volatile antibacterial components released from the antibacterial means are not affected by the temperature in the refrigerator compartment,
It is always released at a constant concentration and is uniformly diffused into the refrigerator compartment, so that a high antibacterial effect can be obtained in the whole refrigerator compartment including the inside surface of the refrigerator, the air, and the food surface.

According to the present invention, the freezing compartment and the refrigeration compartment are formed separately.
Refrigerator main body and an empty room provided in the refrigerator compartment in the vertical direction.
Ventilation duct and blow air from above to below
A blower for air circulation in the refrigerator compartment,
Antibacterial components as the temperature installed on the windward side of the duct increases
Antibacterial means in which the amount of volatilization increases, and the temperature in the refrigerator compartment
Refrigerator compartment temperature detection means to detect and door open to detect door open / close
And closing means for detecting the temperature of the refrigerator compartment.
The detected temperature of the refrigerating room is the temperature of the air circulation blower.
If it is higher than the ON set temperature, stop the blower and
If the temperature is lower than the ON set temperature, the blower is rotated at the normal speed.
Operate, and the door opening / closing detection means detects door opening / closing
Is for rotating the blower at a high speed for a certain period of time . With this, after the door is opened and closed, the rotation speed of the air blowing means is set to high speed, and the amount of volatile antibacterial components released from the antibacterial means is temporarily increased, so that airborne bacteria entering the compartment by opening and closing the door can be removed. In addition to antibacterial, the inside surface of the compartment, in the air,
There is an effect that a high antibacterial effect can be obtained in the entire refrigerator compartment including the food surface.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS. 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 sectional view of a refrigerator according to an embodiment of the present invention. FIG. 2 is a perspective view of the antibacterial means of the embodiment. 1 and 2, reference numeral 1 denotes a refrigerator main body composed of a heat insulating material 2. Partition walls 3 and 4 define a refrigerator compartment 5 in an upper portion, a freezing compartment 6 in a middle portion, and a vegetable compartment 7 in a lower portion. Reference numeral 8 denotes a cooler of a refrigerating cycle, 9 denotes a blower for forcibly ventilating the cool air cooled by the cooler 8 into each of the chambers, and 10 denotes a compressor provided at the bottom of the main body.

Reference numeral 11 denotes a cool air discharge duct for discharging cool air forcedly blown by the blower 9 into the refrigerator compartment 5.
It is provided up and down in the vicinity of both ends of the back surface in the refrigerator compartment 6.
Reference numerals 14 denote a plurality of cool air discharge ports provided in the cool air discharge duct 11, and are opened to correspond to a plurality of steps in the refrigerator compartment 6 partitioned by the shelf 15.

Reference numeral 16 denotes an antibacterial means provided on the upper wall surface of the cool air discharge duct 11, for example, an antibacterial material 17 in which an antibacterial component containing a wasabi extract as a main component is impregnated in an oily gel, and the antibacterial material 17 is filled. , For example, a resin case 18 molded on a cylinder. 19 is a fine hole provided on the inner wall of the resin case 18.

As described above, in the refrigerator of this embodiment, the antibacterial component gasified from the antibacterial material 17 having a large vapor specific gravity of the volatile antibacterial component diverges from the pores 19 provided in the resin case 18 in the refrigerator of this embodiment. Then, the cold air flows out of the cold air discharge port 14 provided in the cool air discharge duct 11 into the refrigerator compartment 5 together with the cool air.

When the vapor specific gravity of the volatile antibacterial component of the antibacterial material 17 is small, the installation position of the antibacterial means 16 is provided below the cool air duct 11 (not shown), so that the volatile It is preferable from the viewpoint of preventing the occurrence of the concentration difference of the antibacterial component.

In this embodiment, the antibacterial means 16 is provided on the wall surface of the cool air discharge duct. However, the antibacterial means 16 is formed in, for example, a honeycomb shape so that the area facing the cool air duct 11 is maximum. If you provide so that
The specific surface area of the antibacterial means 16 is increased, and the effect of improving the antibacterial effect of circulating air is obtained.

Table 1 shows the results of a conventional box test on the antibacterial effect. The method is to suspend a certain amount of mold spores in a box that is 50 cm in length, width and height.

[0028]

[Table 1]

Then, a silver-based antibacterial material was kneaded into the box of the conventional specification, and the case where the antibacterial material adhered to the inner surface of the box was sprayed into the box with a certain concentration of the wasabi-extracted substance which was the specification to be examined. Make two conditions for the case. Before and after the start of the test, mold spores in the air are collected with a filter, and after culturing, the colonies of the mold that have grown are measured. As a result, the studied specification has an antibacterial effect approximately 100 times or more that of the conventional specification, and the antibacterial effect has been greatly improved. In addition, since the wasabi extract has an ethylene inhibitory action and a hemoglobin oxidation inhibitory action, it has a freshness retaining effect of preventing aging and discoloration of food.

Embodiment 2 FIG. 3 is a functional block diagram of a refrigerator according to Embodiment 2 of the present invention. FIG. 4 is a flowchart showing the operation of the embodiment, and FIG. 5 is a time chart of the embodiment.

In FIG. 3, reference numeral 20 denotes an air circulation duct provided vertically in the center of the interior of the refrigerator compartment, in which antibacterial means 16 made of a volatile antibacterial material 17 is provided. Reference numeral 21 denotes an air circulation blower provided in the air circulation duct 20. Reference numeral 22 denotes a refrigerator temperature detector provided in a part of the refrigerator room 5. Reference numeral 23 denotes a refrigerator temperature detecting means for detecting the refrigerator temperature by the refrigerator temperature detector 22.

Reference numeral 24 denotes a refrigerator compartment temperature judging unit for judging whether or not the refrigerator compartment temperature detected by the temperature detecting unit 23 is within a set temperature range. Reference numeral 25 denotes an air circulation blower control unit that controls the operation of the air circulation blower 21 by the refrigerator compartment temperature determination unit 24. Reference numeral 26 denotes a fan rotation speed switching unit that normally rotates the rotation speed of the air circulation fan 21 during normal operation, and switches to high rotation at low temperature.

The operation of the refrigerator configured as described above will be described below with reference to the flowchart of FIG. 4 and the time chart of FIG.

First, the temperature in the refrigerator compartment is detected by the refrigerator compartment temperature detecting means 23 (Step 101). Then, the refrigerator compartment temperature determining means 24 determines whether the room temperature is higher or lower than the ON set temperature T1. (Step 102). That is, if the room temperature is higher than T1, the air circulation blower 21 is stopped (Step 103).

On the other hand, if the room temperature is lower than the ON set temperature T1, the refrigerator room temperature determination means 24 determines whether the temperature is higher or lower than the fan rotation speed switching temperature T2 (Step 1).
04). That is, if the room temperature is higher than T2, the air circulation blower 21 operates normally (Step 105).

On the other hand, if the room temperature is equal to or lower than T2, the rotation speed of the air circulation blower 21 is switched to a high rotation by the blower rotation speed switching means 26. (Step 106) Thereafter, the flow returns to Step 101 again.

As described above, the air circulation blower 21 operates normally when the temperature in the refrigerator is lower than the first set temperature, and stops when the temperature is higher than the first set temperature. Further, when the temperature in the refrigerator compartment is lower than the second set temperature, the air circulation blower 21 is switched to high rotation by the blower rotation speed switching means, so that the antibacterial means 16 is switched.
The gaseous antibacterial component to be released is not affected by the indoor temperature,
By constantly releasing a constant concentration into the refrigerator compartment 5 and diffusing indoor air, the concentration of the antibacterial component in the refrigerator compartment 5 can be kept uniform.

Table 1 shows the results of the box test for the antibacterial effect. As a result, the study specification-2 is about 1
The antibacterial effect was more than 00 times, and the antibacterial effect was greatly improved. In addition, it was about twice as large as Study Specification-1.

(Embodiment 3) FIG. 6 is a functional block diagram of a refrigerator according to Embodiment 3 of the present invention. FIG. 7 is a flowchart showing the operation of the embodiment, and FIG. 8 is a time chart of the embodiment.

In FIG. 6, reference numeral 27 denotes a door open / close detector provided on the box of the refrigerator compartment 5. Reference numeral 28 denotes a door opening / closing detecting means for detecting door opening / closing by a circuit incorporating the door opening / closing detector 27. Reference numeral 29 denotes a fan rotation speed switching unit for switching the rotation speed of the air circulation fan 21 by the door opening / closing detection unit 28. Numeral 30 denotes a control time measuring means for controlling the driving time of the blower rotation speed switching means 29 at high speed rotation.

The operation of the refrigerator configured as described above will be described below with reference to the flowchart of FIG. 7 and the time chart of FIG.

First, the temperature in the refrigerator compartment is detected by the refrigerator compartment temperature detecting means 23 (Step 1). Then, the refrigerating room temperature judging means 24 turns the room temperature ON of the air circulation blower 21.
It is determined whether it is higher or lower than the setting T1 (Step 2).
That is, if the room temperature is lower than the ON set temperature, the air circulation blower 21 is normally operated at the normal rotation speed (S
step3).

On the other hand, if the room temperature is higher than the ON set temperature, the air circulation blower 21 is stopped (Step 4).

Next, based on the door opening / closing detector 27, the door opening / closing detecting means 28 determines whether the door is opened or closed (Step 5,
6). Then, when the door is opened and closed, the air circulation blower 21 is opened.
Is switched to high rotation by the fan rotation speed switching means 29 (Step 7). Next, the control time measurement means 30 starts time measurement (Step 8). Fixed time t1
(Step 9). Then, while there is remaining time, the high speed rotation of the air circulation blower 21 is continued (Step 7). Then again Step1
Return to

As described above, the air circulation blower 21 is normally operated when the room temperature is lower than the ON set temperature, and is stopped when the room temperature is higher than the ON set temperature. The antibacterial component in a state is uniformly diffused in the refrigerator 5.

Next, the air circulating blower 21 is rotated at a high speed after opening and closing the door, and the amount of gaseous antibacterial components released from the antibacterial means 16 is temporarily increased. In addition to antibacterial effects on foods and airborne bacteria that enter the refrigerator compartment, a high antibacterial effect can be obtained in the entire refrigerator compartment including parts in the refrigerator, air, and food surfaces.

[0047]

As described above, the present invention provides a refrigerator body having a refrigerator compartment defined above a freezer compartment, a cooler, a blower for forcing cool air from the cooler into each compartment, and the refrigerator. A cool air discharge duct which has a plurality of cool air discharge ports provided above and below in the room and discharges cool air from the blower into the refrigerator compartment, and is formed into a honeycomb shape having a volatile antibacterial component mainly composed of wasabi extract. And a surface facing the cold air discharge duct.
By installing the antibacterial means on the upper part of the inner wall surface of the cold air discharge duct so that the product is maximized, the gaseous antibacterial component is uniformly diverged together with the circulating cold air from the cold air discharge port into the refrigerator, and the inside of the refrigerator refrigerator to be able to diverge so as not to cause concentration differences gaseous antimicrobial components in the upper and lower in the refrigerator, or
Also, increase the specific surface area of the antibacterial material to the passing air.
It can be antibacterial against all bacteria that are attached to the surface of components in the refrigerator, bacteria that are floating in the air, and bacteria that are attached to the surface of food. High antibacterial effect is obtained in total. In addition, aging and discoloration of foods can be suppressed, and a high freshness retaining effect can be obtained by the action of wasabi extract to suppress ethylene and hemoglobin oxidation.

[0048]

Further, a freezer compartment and a refrigerator compartment are formed.
A refrigerator main body and an air circulation provided in the refrigerator in a vertical direction.
Blow air from below to the ring duct and the circulation duct
A blower for circulating air in the refrigerator,
The higher the temperature installed on the windward side of the
Antibacterial means that emits a large amount and detects the temperature in the refrigerator compartment
Refrigerator temperature detecting means for detecting the temperature of the refrigerator.
The temperature of the refrigerator compartment detected by the
If it is within the range, the blower is operated at normal rotation and
If higher than the constant temperature range, stop the blower, and
If the temperature is lower than the set temperature range, turn off the fan at high speed.
By replacing , when the temperature in the refrigerator compartment is high and the volatilization amount of the antibacterial component is large, the blowing means is stopped, and when the refrigerator room temperature is low and the volatilization amount of the antibacterial component is small, the rotation speed of the blowing means is rotated at high speed, Increase the amount of antibacterial components released from antibacterial means.

Thus, the volatile antibacterial components released from the antibacterial means are not affected by the temperature in the refrigerator compartment,
The antibacterial effect is always obtained at a constant concentration and uniformly diffused into the refrigerator compartment, so that a high antibacterial effect can be obtained in the entire refrigerator compartment including the surface of the components in the refrigerator, the air, and the food surface.

[0051] In addition, the aging of foods and the
Discoloration can be suppressed, and a high freshness retaining effect can be obtained.

Further, a freezing room and a refrigeration room are defined.
A refrigerator main body and an air circulation provided in the refrigerator in a vertical direction.
Blow air from below to the ring duct and the circulation duct
A blower for circulating air in the refrigerator,
The higher the temperature installed on the windward side of the
Antibacterial means that emits a large amount and detects the temperature in the refrigerator compartment
Refrigeration room temperature detecting means to perform door opening and closing detection
Output means, and is detected by the refrigerator temperature detecting means.
The temperature of the refrigerating room is turned on by the air circulation blower.
If the temperature is higher than the set temperature, stop the blower and turn on the
If the temperature is lower than the set temperature, operate the blower at normal speed
When the door opening / closing detecting means detects the door opening / closing,
When the refrigerating compartment door is opened and closed by rotating the blower at high speed for a fixed period of time, the number of rotations of the air circulation blower is increased to temporarily increase the amount of gaseous antibacterial components released from the antibacterial means, The antibacterial effect on foods put into the refrigerator compartment and airborne bacteria invading the refrigerator compartment by opening and closing, and a high antibacterial effect can be obtained on the whole refrigerator compartment including parts inside the refrigerator, the air, and the food surface.

Further, the aging of foods and the aging of
Discoloration can be suppressed, and a high freshness retaining effect can be obtained. Also,
The door opening and closing, it is possible to uniformly cool the elevated cold room temperature.

[Brief description of the drawings]

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

FIG. 2 is a perspective view of the antibacterial device of the embodiment.

FIG. 3 is a block diagram of Embodiment 2 of a refrigerator according to the present invention.

FIG. 4 is a flowchart of Embodiment 2 of the refrigerator according to the present invention.

FIG. 5 is a time chart of Embodiment 2 of the refrigerator according to the present invention.

FIG. 6 is a block diagram of a refrigerator according to a third embodiment of the present invention.

FIG. 7 is a flowchart of Embodiment 3 of the refrigerator according to the present invention.

FIG. 8 is a time chart of Embodiment 3 of the refrigerator according to the present invention.

FIG. 9 is a sectional view of a conventional refrigerator.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Refrigerator main body 5 Refrigerator room 11 Cold air discharge duct 14 Cold air discharge port 16 Antibacterial means 17 Antibacterial material 18 Resin case 19 Pores 20 Air circulation duct 21 Air circulation blower 22 Refrigerator temperature detector 23 Refrigerator temperature detector 24 Refrigerator Temperature determination means 25 Air circulation blower control means 26 Blower rotation speed switching means 27 Door open / close detector 28 Door open / close detection means 29 Blower rotation speed switching means 30 Control time measurement means

Continuation of the front page (56) References JP-A-8-261633 (JP, A) JP-A-9-79729 (JP, A) JP-A-9-53876 (JP, A) JP-A-5-302781 (JP, A) , A) (58) Fields investigated (Int. Cl. ⁷ , DB name) F25D 23/00 302

Claims (3)

(57) [Claims] 1. A refrigerator main body having a refrigerator compartment defined above a freezer compartment, a cooler, a blower for forcing cool air from the cooler into each compartment, and a plurality of upper and lower fans provided in the refrigerator compartment. A cool air discharge duct having a cool air discharge port for discharging cool air from the blower into the refrigerator compartment; and a honeycomb shape having a volatile antibacterial component mainly composed of wasabi extract.
Consists antimicrobial means consisting of form antimicrobial material, the
The refrigerator, wherein the antibacterial means is installed on an upper portion of an inner wall surface of the cool air discharge duct so that an area facing the cool air discharge duct is maximized . 2. A refrigerator body in which a freezer compartment and a refrigerator compartment are defined, an air circulation duct vertically provided in the refrigerator compartment, and a refrigerator compartment for blowing the circulation duct from bottom to top. An air circulation blower, an antibacterial device in which the amount of antibacterial components volatilized increases as the temperature installed on the windward side of the circulation duct increases, and a refrigerator compartment temperature detecting device for detecting the temperature in the refrigerator compartment. If the refrigerator compartment temperature detected by the refrigerator compartment temperature detecting means is within a set temperature range, the blower is operated at normal rotation, and if the refrigerator compartment temperature is higher than the set temperature range, the blower is stopped, and the set temperature is reduced. The refrigerator is switched to a high rotation if it is lower than the range. 3. A refrigerator body in which a freezer compartment and a refrigerator compartment are defined, an air circulation duct vertically provided in the refrigerator compartment, and a refrigerator compartment for blowing the circulation duct from bottom to top. A blower for air circulation, antibacterial means for increasing the volatilization amount of antibacterial components as the temperature installed on the windward side in the circulation duct increases, a refrigerator compartment temperature detecting means for detecting the temperature in the refrigerator compartment, and a door Door opening / closing detecting means for detecting opening / closing, wherein if the refrigerator compartment temperature detected by the refrigerator compartment temperature detecting means is higher than an ON set temperature of the air circulation blower, the blower is stopped, and the ON set temperature is reduced. The refrigerator operates the blower at a normal rotation speed if the rotation speed is lower, and rotates the blower at a high speed for a predetermined time when the door opening / closing detection means detects the door opening / closing.