JP2001255054A - Curtain for refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a curtain for refrigerator which can efficiently prevent cold air in a refrigerating compartment, etc., from leaking out, efficiently guide cold air also in door pockets due to convection to cool foods enough in the door pockets and also prevent the frost. SOLUTION: The curtain for refrigerators is composed of a curtain body comprising a flexible and transparent or opaque sheet having a plurality of longitudinal notches in the form of rectangular strips with their tops connected, covering enough the opening of a refrigerating compartment, etc., of the refrigerator, fixtures for fixing upper portions of the curtain body to top members of the refrigerating compartment, etc., and a venting opening formed at an upper part of the curtain body which can prevent the curtain body from being frosted and flow cold air in/out of door pockets of the door and cold air in/out of the refrigerating compartment due to convection.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator curtain which can open and close an opening of a refrigerator compartment of a refrigerator.

[0002]

2. Description of the Related Art A conventional refrigerator curtain has a soft plastic film with a curtain drawn into a curtain and a large number of circular holes formed in a curtain film to guide cool air into a door pocket of a door. At the same time, there has been considered a device in which a gap is provided between sheets or between a sheet and a wall surface.

[0003]

The conventional curtain for a refrigerator in the form of a good curtain can efficiently prevent the cold air in the refrigerator from leaking to the outside. However, when the door is opened and closed, the door is closed. It has the drawback that it is difficult for cold air to flow into the pocket area and the food stored in the door pocket cannot be cooled sufficiently, and the temperature difference between the refrigerator compartment and the inside of the door pocket increases, causing the curtain to condense. was there. In the case where the small holes are formed in a circular shape and a gap is provided between the sheets or between the sheets and the wall surface to allow the cool air in the refrigerator compartment to flow into the door pocket, sufficient cool air flows into the door pocket. If the gap is set so that it flows into the refrigerator, the cold air in the refrigerator compartment will easily leak to the outside and the energy saving effect will be reduced.If the gap is made smaller, it will not be possible to allow the cool air to flow sufficiently into the door pockets, resulting in condensation. There was a drawback of generating.

The present invention has been made in view of the above-mentioned conventional drawbacks,
In addition to being able to efficiently prevent the cold air in the refrigerator compartment from leaking to the outside, it also efficiently guides the cool air into the door pockets by convection, and can sufficiently cool the food stored in the door pockets as well as condensation. It is an object of the present invention to provide a refrigerator curtain that can be prevented.

The above and other objects and novel features of the present invention will become more completely apparent when the following description is read in conjunction with the accompanying drawings. However, the drawings are for explanation only, and do not limit the technical scope of the present invention.

[0006]

In order to achieve the above-mentioned object, the present invention provides a plurality of flexible, transparent or translucent sheet materials which can cover an opening of a refrigerator refrigerator. A curtain body in which a plurality of vertical notches are formed so as to form a plurality of connected strips, an attachment for attaching a portion near the top of the curtain body to an upper member of the refrigerator compartment, and Condensation of the curtain body can be prevented at a position near the upper part, and a refrigerator curtain is constituted by a ventilation opening formed so that warm air in the door pocket portion of the door and cool air in the refrigerator compartment flow in and out by convection. ing.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 21, reference numeral 1 denotes an opening 4 of a refrigerator 3 of a refrigerator 2.
The curtain for refrigerator 1 of the present invention can cover the opening 4 of the refrigerator compartment 3 and is made of a flexible, transparent or translucent sheet material. In the embodiment of the present invention, there are a plurality of curtain bodies 5, only six end portions of which are wide, and strip-shaped portions 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7.
6, the longitudinal cutouts 8, 8, 8,
8, a plurality of suction cup mounting holes 10 to which suction cups 9 can be mounted as mounting tools for mounting on the upper member of the refrigerator compartment 3 formed at a predetermined interval above the curtain main body 5, and the curtain main body At least one or more formed so that dew condensation of the curtain body 5 can be prevented at a position near the upper part of the door 5 and warm air in the door pocket portion 12 of the door 11 and cool air in the refrigerator compartment 3 flow out and in by convection. In the embodiment of the present invention, four ventilation openings 13, 13, 13, 13 arranged at different heights on the strips 7, 7, 7, 7 except for the strips 6, 6 on both sides, The strips 6, 6 on both sides are formed at a predetermined width interval, and are cut and fixed to the notches 14, 14, 14 for reference when cutting, using double-sided adhesive tape or the like at a position near the bottom of the strips 7, 7. Multiple mountain-shaped protrusions It is formed with a deodorizer 15, 15 having a.

The curtain body 5 is made of a vinyl chloride-based film or an olefin-based plastic film such as polyethylene or polypropylene, but it is preferable to use an olefin-based plastic film in consideration of environmental impact.

As a result of the experiment, the ventilation openings 13, 13, 13, and 13 are portions of up to 30 percent from the top of the curtain main body 5, and have a total of 2.4 to 20 percent of the opening area of the refrigerator compartment 3. The one having the opening can efficiently prevent the leakage of cold air in the refrigerator compartment 3, can sufficiently cool the door pocket portion, and can prevent dew condensation.

The material used as the container for the deodorants 15 and 15 is not particularly limited as long as the deodorant body can be filled and does not flow outside, but the material itself such as paper, net, nonwoven fabric, etc. It is more preferable that the resin has air permeability, and resin or metal can be used as long as air permeability can be provided, and there is no particular limitation. As the deodorant body to be filled in the container, activated carbon, zeolite, silica gel and the like can be mentioned first, but if it is a material having a deodorizing effect and can be filled in the container, it may be a gel or a liquid. Well, it is not particularly limited.

[0012]

[Experiment 1] Relationship between vent opening area and door pocket cooling effect (A) Curtain without opening (B) As shown in FIG. 4, four openings (opening area ratio about 2.4%) (C) As shown in FIG. 5, 12 openings (open area ratio of about 7.4%) (D) As shown in FIG. 6, 30 openings (open area ratio of about 18.6%) are used in the refrigerator. Install a thermometer at the top of the door pocket. After the temperature in the refrigerator is stabilized, the door is opened, the curtain sample is set, and the door is left open for 15 minutes. Thereafter, the door is closed and the temperature change in the refrigerator is measured over time. When the temperature change without the curtain was also confirmed as a comparative example, the result as shown in FIG. 7 was obtained. The relationship between the opening area ratio and the door pocket cooling effect rate was as shown in FIG. The result was that the opening area ratio was preferably set to 2.4% or more with respect to the opening area of the refrigerator.

[0013]

[Experiment 2] Relationship between ventilation opening area ratio and energy saving effect An integrating wattmeter is installed between the refrigerator power plug and the outlet. After the temperature in the refrigerator is stabilized, the door is opened and the curtains (A), (B), (C) and (D) are installed. Approximately every hour after the installation starts, the integrated power is measured and the door is opened and closed. After confirming that the cooling operation of the refrigerator has stopped, open and close the door. Opening and closing the door is 1
When opening for minutes and closing for 10 seconds are repeated five times, the result is as shown in FIG. 9. The relationship between the opening area ratio and the energy saving effect ratio is as shown in FIG. The result was that about 0 to 20% was preferable.

[0014]

[Experiment 3] Relationship between curtain opening, door pocket temperature and dew condensation (E) As shown in FIG. 11, ventilation opening at the top (2 cm from top of refrigerator to top of ventilation opening → 3% from above) (F) As shown in FIG. 12, a vent opening (30 cm from the top of the refrigerator to the upper side of the vent opening) is 42 cm from the top.
(G) As shown in FIG. 13, a ventilation opening (67 cm from the top of the refrigerator to the lower side of the ventilation opening) is provided at the lower part, and 96% from above.
(E) The ventilation openings were arranged in parallel in the horizontal direction with the area ratio per opening being 0.62%, and the total ventilation opening area ratio was 3.7%. F) and (G) curtains are installed at the top of the door pockets with thermometers, and the door is opened.
After confirming that the temperature in the refrigerator has stabilized at 20 ° C. or higher, close the door and leave it for 3 hours. At this time, the temperature change in the upper part of the door pocket in the refrigerator and the state of dew condensation on the curtain are checked. FIG. 14 shows the results of comparison without a ventilation opening and without a curtain as a comparative example. The relationship between the difference between the temperature of the door pocket when the curtain is not used and the position of the ventilation opening is shown in FIG. It has been found that the vent opening is preferably provided in a portion corresponding to up to 30% from the top in the refrigerator vertical direction. In particular, if a ventilation opening is provided at a position of 42% or more from the top in the refrigerator vertical direction, "fogging" or "water droplets" due to condensation on the curtain will occur, so the refrigerator should be kept in a high sanitary condition. As such it is inappropriate.

[0015]

[Experiment 4] Relationship between the area per one ventilation opening and the cooling effect of the door pocket (H) As shown in FIG. 16, the number of openings 4 mm in diameter (area 0.126 square cm per opening) 762 (I) As shown in FIG. 17, a number of 30 openings having a diameter of 20 mm (area of 3.1 square cm per opening) (J) As shown in FIG. 18, a diameter of 35 mm (an area per opening) As shown in FIG. 19, the number of openings is 9.6 square cm. (K) As shown in FIG. 19, the number of openings is 55 mm (the area per opening is 23.7 square cm). In the case of square cm, the result is as shown in FIG. 20, and the relationship between the area of one ventilation opening with respect to the opening area of the refrigerator compartment and the door pocket cooling effect rate when the temperature change of the door pocket per unit time without curtain is 100. Is one as shown in FIG. Preferably the cooling effect of better to the size of the area of the opening than 9.616 square cm door pockets, considering the condensation of the curtain, was resulted in preferably at least 23.746 square cm.

[0016]

FIG. 22 to FIG. 29 show different embodiments of the present invention.
Hereinafter, different embodiments of the present invention will be described. In the description of the different embodiments of the present invention, the same components as those of the first embodiment of the present invention are denoted by the same reference numerals, and duplicate description will be omitted.

In the second embodiment of the present invention shown in FIGS. 22 to 24, the main difference from the first embodiment of the present invention is that the deodorizers 15, 15 are provided with the ventilation openings 13,
In the refrigerator curtain 1A having such a configuration, the strips 7, 7 near the reference numeral 13 are attached to the portions located in the refrigerator compartment, and the double-sided tape 16 is attached to the upper portion of the curtain body 5 as a fixture. The same operation and effect as those of the first embodiment of the present invention can be obtained, and the deodorants 15, 15 can be effectively actuated by the flow of the airflow due to the convection of the ventilation openings 13, 13.

The third embodiment of the present invention shown in FIG. 25 and FIG. 26 is mainly different from the second embodiment of the present invention in that a plurality of sheet members and an embodiment of the present invention are provided. In this respect, the refrigerator curtain 1B having such a configuration in that a curtain body 5A in which four sheet members 5a, 5a, 5a, and 5a are used in parallel is used. The same operation and effect as in the embodiment can be obtained.

In the fourth embodiment of the present invention shown in FIGS. 27 to 29, the main difference from the first embodiment of the present invention is that the upper part covering the upper opening 4a of the refrigerator compartment 3 has an upper part. The first in which the ventilation openings 13, 13, 13, 13 are formed
And the second curtain 18 having no ventilation opening that covers the lower opening 4b of the refrigerator compartment 3 in the refrigerator curtain 1C thus configured. The same operation and effects as those of the first embodiment can be obtained, and the deodorizing agents 15 and 15 are attached to the lower positions of the first curtain 17 and the second curtain 18 so that the deodorizing effect and the first curtain 17 and the second curtain 17 can be obtained. The effect of stabilizing the curtain 18 is obtained.

In each of the above embodiments of the present invention, a case where a suction cup or a double-sided adhesive tape is used as a fixture has been described. However, the present invention is not limited to this, and a magnet, a hook-and-loop fastener, an adhesive or the like may be used as a fixture. May be used. Further, in each of the embodiments of the present invention, the description has been given of the one that covers the opening of the refrigerator compartment of the refrigerator, but the present invention can be similarly used for the opening of the freezer compartment. In this case, a material that does not harden even in cold air in the freezer compartment is used. Furthermore, deodorant 15,
In order to improve the deodorizing effect of No. 15, the deodorants 15, 1
5 may be installed so as to cover all or part of the ventilation openings, but in this case, the selection should be made in consideration of the cooling effect of the door pockets and condensation on the curtain body. There must be.

[0021]

As apparent from the above description, the following effects can be obtained in the present invention.

(1) A plurality of flexible, transparent or translucent sheet materials capable of covering the opening of the refrigerator compartment of the refrigerator are arranged in parallel or in a plurality of strips having an upper portion connected. A curtain body having a vertical notch formed therein, a fixture for attaching an upper portion of the curtain body to an upper member of the refrigerator compartment, and dew condensation of the curtain body can be prevented at the upper portion of the curtain body, And since it is constituted by the ventilation opening formed so that the warm air in the door pocket portion of the door and the cool air in the refrigerator compartment flow out and in by convection, the hot air in the door pocket which has become hot can be supplied to the ventilation opening portion. The cool air in the refrigerating compartment can be allowed to flow into and out of the refrigerating compartment from the upper part by convection from the lower part of the ventilation opening into the door pocket. Therefore, the inside of the door pocket can be efficiently cooled by the same cold air as that of the refrigerator compartment, etc., and the freshness of the food stored in the door pocket can be maintained, and the curtain body is generated by the temperature difference between the refrigerator compartment, etc. and the inside of the door pocket. Dew condensation can be efficiently prevented.

(2) According to the above (1), it is possible to efficiently prevent cold air from leaking from the refrigerator compartment or the like, and to obtain an energy saving effect.

(3) According to the above (1), dew condensation on the curtain main body can be efficiently prevented, so that the curtain main body does not need to be cleaned frequently and can be used easily and easily.

(4) Claim 2 has the same effect as (1) to (3).

(5) Claim 3 has the same effect as (1) to (3), and can efficiently deodorize the odor in the refrigerator compartment.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of an attached state according to a first embodiment of the present invention.

FIG. 2 is a front view of the first embodiment of the present invention.

FIG. 3 is an explanatory diagram of a state of use according to the first embodiment of the present invention.

FIG. 4 is an explanatory view of a curtain at four openings.

FIG. 5 is an explanatory view of curtains at 12 openings.

FIG. 6 is an explanatory view of a curtain at 30 openings.

FIG. 7 is an explanatory diagram showing a relationship between an opening area ratio and a door pocket cooling effect rate.

FIG. 8 is an explanatory diagram showing a relationship between an opening area ratio and a door pocket cooling effect rate.

FIG. 9 is an explanatory diagram showing a relationship between an opening area ratio and an energy saving effect ratio.

FIG. 10 is an explanatory diagram showing a relationship between an opening area ratio and an energy saving effect ratio.

FIG. 11 is an explanatory view of a curtain having a ventilation opening formed at an upper portion.

FIG. 12 is an explanatory view of a curtain in which a ventilation opening is formed in the middle.

FIG. 13 is an explanatory view of a curtain having a ventilation opening formed in a lower portion.

FIG. 14 is an explanatory diagram showing the relationship between the temperature difference of the door pocket and the position of the opening.

FIG. 15 is an explanatory diagram showing the relationship between the temperature difference of the door pocket and the position of the opening.

FIG. 16 is an explanatory view of a curtain having a diameter of 4 mm and 762 openings.

FIG. 17 is an explanatory view of a curtain having a diameter of 20 mm and several 30 mouth portions.

FIG. 18 is an explanatory view of a curtain having a diameter of 35 mm and several tens of openings.

FIG. 19 is an explanatory view of a curtain having a diameter of 55 mm and four openings.

FIG. 20 is an explanatory diagram showing the relationship between the area of one ventilation opening and the cooling effect.

FIG. 21 is an explanatory diagram showing the relationship between the area of one ventilation opening and the cooling effect.

FIG. 22 is an explanatory diagram of an attached state according to the second embodiment of the present invention.

FIG. 23 is a front view of the second embodiment of the present invention.

FIG. 24 is an explanatory diagram of a use state according to the second embodiment of the present invention.

FIG. 25 is an explanatory diagram of an attached state according to the third embodiment of the present invention.

FIG. 26 is a front view of the third embodiment of the present invention.

FIG. 27 is an explanatory diagram of an attached state according to the fourth embodiment of the present invention.

FIG. 28 is a front view of the fourth embodiment of the present invention.

FIG. 29 is an explanatory diagram of a use state according to the fourth embodiment of the present invention.

[Explanation of symbols]

1, 1A, 1B, 1C: refrigerator curtain, 2: refrigerator, 3: refrigerator compartment, 4: opening,
5, 5A: curtain body, 6, 7: strip,
8: Notch, 9: Suction cup as mounting tool, 10: Suction cup mounting hole, 11: Door, 12: Door pocket, 1
3: vent opening, 14: cutout for reference, 15: deodorant, 16: double-sided tape as a fixture, 17: first curtain, 18: second curtain.

 ────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Kazuhiro Hamamatsu 2-4-23 Motoki, Adachi-ku, Tokyo Fukumotonai F-term (reference) 3L102 JA01 KA01 KD03 KD11

Claims (3)

[Claims] 1. A plurality of flexible, transparent or translucent sheet materials capable of covering an opening of a refrigerator compartment of a refrigerator, and a plurality of sheets are arranged in parallel or in a plurality of strips having an upper portion connected. A curtain body in which a notch is formed, a fixture for attaching the upper portion of the curtain body to the upper member of the refrigerator compartment, and the dew condensation of the curtain body at the upper portion of the curtain body can be prevented, and A refrigerator curtain, comprising: a ventilation opening formed so that warm air in a door pocket portion of a door and cool air in the refrigerator compartment flow in and out by convection. 2. A plurality of flexible, transparent or translucent sheet materials capable of covering an opening of a refrigerator compartment of a refrigerator, and a plurality of the sheet materials are arranged in parallel or in the form of a plurality of strips having an upper portion connected. A curtain body in which a notch is formed, a fixture for attaching a portion near the top of the curtain body to an upper member of the refrigerator compartment, and a portion up to 30% from an upper portion of the curtain body, the whole of the refrigerator compartment A plurality of ventilation openings that prevent condensation of the curtain body having an opening of 2.4 to 20% of the opening area, and allow warm air in a door pocket of a door and cool air in the refrigerator compartment to flow in and out by convection. And a curtain for a refrigerator. 3. The refrigerator curtain according to claim 1, further comprising a deodorant attached to a portion of the curtain body near the lower portion or a portion near the ventilation opening.