JPS61213054A - Deodorizing apparatus for refrigerator and freezer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention is for use in refrigerators and refrigerators, which is installed inside the refrigerator or freezer to remove bad odors generated from various foods stored inside the refrigerator. Regarding deodorizing equipment.

[Conventional technology] Conventionally, there was no way to remove bad odors from inside refrigerators and freezers.
-The method used to remove odors is to place deodorizers such as activated carbon in the refrigerator, and the deodorizers used for this purpose are not limited to those that simply use activated carbon.
Various methods have been developed, including those that decompose and remove bad odors using chemical changes such as terpene compounds and ferrous sulfate, and those that mask bad odors using aromatics and the like.

[Problem that the invention seeks to solve]

However, with the conventional method of simply installing a deodorizer inside the refrigerator, the odor generated inside the refrigerator cannot be adsorbed or absorbed by the deodorizer unless it comes into contact with the deodorizer through natural convection or natural diffusion. Also,
The contact of the odor in the refrigerator with the deodorizer decreases as the concentration of the odor in the refrigerator decreases, so when an odor occurs in -mtttt6, it takes a long time to completely remove the odor.
Even if a deodorizer was installed inside the refrigerator, there was a problem in that when the door of the refrigerator or freezer was opened, odors would come out from inside the refrigerator.

[Means and effects for solving the problem] The present invention was devised in view of this point of view, and it forcibly deodorizes the odor generated inside the refrigerator or freezer, and removes the odor in a short time. The present invention provides a deodorizing device for freezers and refrigerators that can perform the following steps.

That is, the present invention provides a casing having an inlet and an outlet, a deodorizing filter located in an air passage formed between the inlet and the outlet in the casing, and a deodorizing filter that draws air from inside the refrigerator into the air. This deodorizing device for freezers and refrigerators has a forced ventilation mechanism that sucks in air through the mouth and exhausts air through the outlet.

The casing used in the present invention may be of any type as long as it forms an air passage between the suction port and the outlet and a deodorizing filter can be installed in this air passage, and its material and shape may be used. There are no particular restrictions on such points. However, since the objects to be used are freezers and refrigerators, it is desirable that they be as small as possible in order to secure as much internal space as possible. When using a deodorizing filter, it is preferable to use one made of transparent synthetic resin, for example, so that changes in the performance of the deodorizing filter can be checked from the outside.

Also, as the deodorizing filter installed in the air passage in the casing, any filter can be used as long as it allows the air inside the refrigerator to pass through this deodorizing filter and removes the odor in the air inside the refrigerator. Any conventionally known material may be used. Specific examples of such deodorizing filters include acetate, cellulose,
Various types of activated carbon, zeolite,
Wrapping or sandwiching adsorbents such as inorganic adsorbents such as silica gel and alumina, synthetic polymer adsorbents such as various ion exchange resins, and natural adsorbents obtained by preparing granules from natural organic substances such as chlorella. There are filters that have been extracted, or filters that have the above-mentioned adsorbent supported on the filter base material.
In addition, there are inorganic adsorbents such as various activated carbons that are formed into honeycomb shapes, etc. Furthermore, there are products that deodorize by bubbling air within the thickness into an absorbing liquid that absorbs or adsorbs odors. There are methods that utilize this change to decompose and remove odors, and those that mask odors with fragrances.

In the present invention, the various deodorizing filters described above can be used by appropriately changing the design of the casing, but preferably the deodorizing filter is formed into a cassette type so that it can be easily attached to and removed from the casing. It has been made possible to do so. Furthermore, if the casing is made smaller in consideration of the space inside the refrigerator, the air inside the refrigerator introduced into the casing will have sufficient contact area with the deodorizing filter to be deodorized. In order to ensure air flow, for example, an air flow guide plate may be provided within the casing.

A fan and a motor that rotates the fan are used as the forced ventilation mechanism that sucks the air inside the refrigerator through the inlet of the casing and exhausts it through the outlet.

Here, if the deodorizing device of the present invention is of an installation type that is placed inside a freezer or refrigerator, the fan and motor are installed inside the casing, for example, near the suction port or the blowout port of the casing, and the motor If the deodorizing device is a built-in type that is built into the body of a freezer or refrigerator, a fan and motor are required to circulate cool air inside the refrigerator with appropriate ventilation means. may also be used.

As a control mechanism for controlling the above-mentioned forced ventilation mechanism, one that operates by detecting the temperature inside the refrigerator or one that operates by detecting the odor inside the refrigerator can be used. If it is a built-in type that is built into the refrigerator body, it is also possible to use one that operates by detecting the rotation of the fan. Examples of the control mechanism that detects and operates the temperature inside the refrigerator include bimetals, liquid pressure/gas pressure thermostats, thermocouples, metal resistance wire resistance thermometers, other temperature-sensitive semiconductors, thermistors, temperature-sensitive reactance elements, etc. Temperature sensing elements, etc. can be used.

The ventilation IIJIII by the above control mechanism is determined by taking into account the temperature control inside the freezer or refrigerator, and for example, when the door is opened and the temperature inside the refrigerator rises, similar to the temperature i control inside the refrigerator. Alternatively, the maximum and minimum temperatures set for controlling the internal temperature of a freezer or refrigerator may be detected, and when this detection signal is input, the temperature may be stopped when the temperature drops to a predetermined temperature. The fan may be rotated only for a certain amount of time.

Further, when a battery is used as a motor power source for the forced ventilation mechanism, it is preferable to provide a dead battery detection means for detecting a dead battery.

As this battery exhaustion detection means, for example, there is a device that uses a transistor to turn on a warning lamp or turn off this warning lamp.

Further, in the apparatus of the present invention, it is preferable to provide a deodorizing filter life detecting means that detects and notifies the life of the deodorizing filter, so that the deodorizing filter whose life has expired can be replaced in a timely manner. This deodorizing filter life detecting means may be of any type as long as it can achieve the above object, such as an integrated energization time meter that accurately measures and informs the usage time of the deodorizing filter. In addition, when this cumulative energization time meter is used as a means for detecting the life of the deodorizing filter, a display may be displayed in the time display section to notify the time for replacement, and a predetermined energization time meter may be displayed in the time display section to notify the time of replacement. The time may be set in advance so that an alarm is issued when the predetermined energization time has elapsed.

(Example) Hereinafter, a deodorizing device for a freezer/refrigerator according to the present invention will be described based on an example shown in the accompanying drawings.

1 to 4, a deodorizing device according to an embodiment of the invention is shown. This deodorizing device includes a casing (1) having an inlet (4) and an outlet (5), and a casing (1) formed between the inlet (4) and the outlet (5) within the casing (1). a deodorizing filter (2) located in the air passageway (6), and a forced ventilation mechanism (3) that sucks the air in the refrigerator through the suction port (4) and exhausts it from the air outlet (5).
It is made up of.

The casing (1) is composed of a casing body (1a) and a lid body (1b) that is removably attached to the back side of the casing body by suitable means such as screws, and an air passage (6) is formed by the partition wall. a fan storage chamber (7) that accommodates the blower fan (3a) of the forced ventilation mechanism (3);
It is partitioned into a motor housing chamber (8) that houses a motor (not shown) that drives the blower fan (3a), and a battery housing chamber (9) that houses a battery (not shown) for powering the motor. The ventilation chamber is provided with a partition wall (10a) for forming an air passage (6), and furthermore, the suction port (4) is formed at the bottom of the casing (1), and the air outlet (5) is formed at the bottom of the casing (1). It is formed in a fan housing chamber (7) at the upper front of the casing (1). The lid (1b) also has a partition wall (1a) on the casing body (1a) side on its inner surface.
partition walls (10b) located between the partition walls (10a) and forming a meandering air passage (6) in conjunction with these partition walls (10a);
) is provided.

Each of the partition walls (10a) (10b) is formed in a lattice shape as shown in FIG. It is meant to be in contact. In addition, this partition wall (10a)
(1gb) may be provided integrally with the casing body (1a) or lid body (1b), or it may be formed separately and attached by an appropriate means such as adhesive as shown in Figure 3. In this case, each partition wall (10a) (10b) may be used to improve the air flow within the air passage (6).
An air guide (11) may be provided at the base of the air guide.

In addition, in this embodiment, the casing body (1
A warning lamp (12) is installed on the front of the motor power source to detect when the battery for the motor power supply is running out. An integrated energization time meter (13) is provided as a deodorizing filter life detecting means, so that the life of the deodorizing filter (2) can be known and replaced in a timely manner.

Furthermore, in this example, a deodorizing filter, (2)
As shown in Fig. 4, a cassette-type material is used in which 5 to 50 meshes of activated carbon are sandwiched between two upper and lower breathable nonwoven fabrics, and when housed in the casing (1), In this case, the lid (1b) is removed and placed on each of the partition walls (10a) (10b).

〔Effect of the invention〕

According to the deodorizing device for freezers and refrigerators of the present invention, the odor generated inside the refrigerator or freezer is forcibly sucked into the casing and efficiently contacts the deodorizing filter located in the air passage formed in the casing. However, this makes it possible to deodorize the Atsunai odor in a short time and efficiently.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a deodorizing device according to an embodiment of the present invention, and FIG.
The drawings are a longitudinal sectional view of FIG. 1, FIG. 3 is a perspective view showing a partition wall forming an air passage, and FIG. 4 is a perspective view showing an example of a deodorizing filter. Description of symbols (1)...Casing, (2)...Deodorizing filter, (3)...Forced ventilation mechanism, (4)...Suction port, (5)...Blowing Exit, (6)... Air passage Patent applicant: CS Industry Co., Ltd.
People Patent Attorney Tomohiro Nakamura (2 others) Figure 1 Figure 3 Figure 4t! 1

Claims (3)

[Claims] (1) A casing having an inlet and an outlet, a deodorizing filter located in an air passage formed between the inlet and the outlet in the casing, and a deodorizing filter that sucks the air inside the refrigerator from the inlet. A deodorizing device for a freezer/refrigerator, characterized in that it has a forced ventilation mechanism for exhausting air from the air outlet. (2) The deodorizing device for a freezer/refrigerator according to claim 1, wherein the forced ventilation mechanism has a control mechanism for controlling the ventilation. (3) The deodorizing device for a freezer/refrigerator according to claim 2, wherein the control mechanism detects the temperature inside the refrigerator and controls the forced ventilation mechanism.