JPH0310636A - Vegetable storage chamber under floor - Google Patents

Abstract

PURPOSE:To suppress inhalation of vegetable and to preserve freshness for a long period of time by preserving vegetables in a storage chamber equipped under floor, attaching a freely openable and closable floor cover at the opening of the floor and further cooling the storage chamber by a chilling means. CONSTITUTION:A floor 6 is equipped with an opening 7, a storage box 10 having an open top is laid under floor below the opening, a vegetable storage chamber 1 is made in the storage box 10 and vegetables are preserved in the vegetable storage chamber 1. Then the opening 7 is provided with an openable and closable inner cover 12 and a floor cover 9, the storage chamber 1 cooled to 0-2 deg.C by a chilling means A so that vegetables can be preserved for a long period of time.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to the structure of an underfloor vegetable storage for storing vegetables (including fruits) under the floor.

[Prior Art 1] In recent years, in order to effectively utilize the underfloor space without reducing the indoor space, underfloor storage has been provided under the floor to store various items. Also, it has become common practice to store vegetables on the floor.

[Problem to be solved by the invention] The temperature under the floor is relatively low in a house, making it suitable for storing vegetables, but the temperature is not low enough to suppress the respiration of vegetables, and low enough to keep vegetables fresh for a long period of time. Currently, vegetables that do not last long are still stored in regular refrigerators.

The present invention has been made in view of the above points, and the object of the present invention is to provide an underfloor storage system that allows vegetables to be stored under the floor by cooling them to a low temperature and maintains their freshness over a long period of time by suppressing breathing. Provides vegetable storage.

[Means for Solving the Problems] In order to achieve the above object, the under-floor vegetable storage of the present invention has a floor 6
A storage box 10 with an open top is provided under the floor below an open lower floor provided in the storage box 10, and a storage chamber 1 for storing vegetables is formed in the storage box 10. It is characterized in that a cooling means (A) is provided, and a floor cover 9 that can be opened freely is attached to the open lower part of the floor 6.

[Function 1: The inside of the storage chamber 1 of the storage box 10 under the floor is cooled to a low temperature by the cooling means (A), and vegetables can be stored at a low temperature under the floor, and the respiration of the vegetables can be suppressed to maintain freshness for a long period of time. .

[Embodiment] As shown in Fig. 1, the floor 6 is provided with an opening lower for loading and unloading, and a lid holder frame 8 is provided on the edge of this lower door. The lid 9 is attached so that it can be opened and closed.

A storage box 10 is installed under the floor below this open lower door, and the inside of the storage box 10 is used as a storage chamber 1. The storage box 10 has a double structure of an outer box and an inner box, and a heat insulating material 11 is filled between the outer box and the inner box. The bottom surface 1a of this storage chamber 1
has a slope where one side is high and the other side is low, and an inner lid 12 is attached to the top opening of the storage chamber 1 so that it can be opened and closed freely.A basket 2 for storing vegetables is installed inside the storage chamber 1. Multiple pieces (
In this embodiment, the lower legs 3 of the basket 2 are placed on the bottom surface 1a of the storage chamber 1, and the basket 2 is floated. A cooling means (A) is provided on one side of the storage chamber 1 (the side where the slope of the bottom surface 1a is lower). This cooling means (A) is composed of a compressor 13, a condenser 14, an evaporator 15, a temperature sensor S, and a controller 17, as shown in FIG. In addition, the compressor 13 and condenser 14 are arranged outside the storage chamber 1.

The inside of the storage chamber 1 is cooled by this cooling means (A) and controlled so that the inside of the storage chamber 1 is maintained at a temperature of 0 to 2°C (preferably approximately 1°C). A temperature equalizer 7T 4 is arranged near the evaporator 15 in the storage chamber 1. A reservoir 16 is provided at the bottom of the storage chamber 1 below the evaporator 15 to collect condensed water generated within the storage chamber 1.

A drain 34 is provided between this reservoir 16 and the outside of the storage chamber 1, and is configured to drain over 70 - of condensed water from the reservoir 16 to the outside. A flocked hair 18 is provided on the upper surface of this reservoir 1G, and water is evaporated by the flocked hair 18 to maintain humidity. An auxiliary storage chamber 19 is provided at a suitable location within the storage chamber 1, and a heater 20 is provided within this auxiliary storage chamber 19. By energizing the heater 20, the temperature inside the auxiliary storage chamber 19 is maintained at around 10°C. It is designed to be maintained. In addition, on the other side of the storage room 1, there is an atmosphere control (
Controlled Atomsphere Sto
(hereinafter abbreviated as CA) means (B) are provided. To control the respiration of vegetables, the atmosphere should have a low gas composition.
It is preferable to use 2-high 002, and to maintain freshness, it is preferable to remove the aging hormone ethylene (C2H).

Therefore, CA means (B) increases CO2 in storage chamber 1 to 0.
It is designed to remove □ and ethylene, and has the following structure. A housing 21 is provided outside the storage room 1,
Inside this housing 21 is an adsorbent 22 such as molecular sieve.
A regeneration heater 2 is installed on the F side of the adsorbent 22.
3 and 7 An 24 are arranged. This regeneration heater 23
is controlled by a timer 25 via a controller 26 as shown in FIG. The lower part of the housing 21 and the inside of the storage chamber X are communicated with each other through an outflow pipe 27.
The upper part of the and inside the storage room 1 are inflow! It is connected via 2B.

An inlet 29 for outside air is provided at the lower part of the casing 21, and an outlet 30 is provided at the upper part of the casing 21. Above inflow'
The is opening inside the casing 21 of l'2B and the opening inside the casing 21 of the discharge port 30 can be selectively opened and closed by a shape memory alloy valve 31. Exit 30
is closed, and when the temperature inside the housing 21 rises, the shape memory alloy valve 31 closes the inflow pipe 28 and opens the discharge port 30. When the air in the storage chamber 1 is sucked in from the outflow pipe 27 at the 7-ring 24, 02 and ethylene are adsorbed through the @layer material 22 such as molecular sieve, and the air from which most of the 02 and ethylene have been removed flows in. W28
The water flows into the storage chamber 1 from there. The adsorbent 22 such as molecular sieve also adsorbs CO2 and moisture, but a separation membrane 32 is provided on the inlet side of the outflow pipe 27, and CO
2 and can be separated to prevent water from passing through. After adsorbing O2 and ethylene to an adsorbent 22 such as a molecular sieve, when regenerating the adsorbent 22, the regeneration heater 23 is energized to heat the inside of the casing 21. In other words, as shown in FIG. 4(a), normally the regeneration heater 23 is not energized and 02 or ethylene is applied to the adsorbent 22 to reduce the 02
Low ethylene air is returned to the storage chamber 1 from the inlet pipe 28. When regenerating, the regeneration heater 23 is energized to control the temperature inside the housing 21 and the adsorbent 22, as shown in FIG. 4(b). is raised, the exhaust port 30 is opened, and the high-02 and high-ethylene air adsorbed by the adsorbent 22 is discharged to the outside. In other words, as shown in FIG. 5, the adsorbed 02 amount of the @layer material 22 such as molecular sieve changes as the temperature changes, and as the temperature increases, the adsorbed 02 amount decreases and the adsorbent 22 is regenerated. In Figure 5, the vertical axis shows the adsorbed 02 amount, the horizontal axis shows the 02 partial pressure, curve A is for the case of 10°C, the curve end is for the case of 100°C, and the amount shown by the symbol C is for the case of 10°C to 100°C. When the adsorption material 22 becomes o, t, the adsorption 1fi decreases by heating and the adsorbent 22 is regenerated.

Next, the operation of storing vegetables will be explained. Floor M9 and inner lid 12
The user opens the container and takes out the lL2 onto the floor G to take out the stored vegetables, or puts the vegetables in the basket 2 and stores them in the storage chamber 1. When vegetables are stored in storage room 1, enter 1111.
2 and the floor cover 9 are closed. When vegetables are stored, the temperature inside the storage chamber 1 is kept at 0 to 2°C (preferably about 1°C) using the cooling means (A).
℃). At this time, the vegetables are cooled to the lowest temperature possible so that they do not freeze, thereby suppressing the respiration of the vegetables as much as possible to maintain their freshness. At this time, vegetables are placed in basket 2.
It is stored in the leg 3! ! 2 to the bottom surface 1a of storage chamber 1
Since the vegetables are floating, the cold air is evenly distributed over the vegetables, making the temperature uniform and allowing for better storage. Moreover, at this time, the light temperature equalizer 7T 4 is driven to agitate the air in the storage chamber 1, and the cold air is evenly distributed throughout the storage chamber 1, making the temperature even more uniform and allowing for better storage. Also, keep the vegetables refrigerated at a low temperature on the floor! ! 9yanai 1112
When opening the top lid to put vegetables in and take out the lid 111! Since the top surface is only opened in a leap type, it is difficult for the cold air with heavy specific gravity to escape, making it easy to maintain a constant temperature in the storage chamber 1, and also making it difficult for CO2 and N2, which suppress the respiration of vegetables, to escape. Also, if there are vegetables that are likely to cause low-temperature damage, such as eggplant or cucumbers, the vegetables are stored in the auxiliary storage chamber 19. There is a heater 20 in the auxiliary storage chamber 19, and the temperature of the auxiliary storage chamber 19 is approximately 10°C.
If there are no vegetables that cause low temperature damage, turn off the heater 20 and set the auxiliary storage compartment 19 to the same temperature as the storage compartment 1. It can be used to store vegetables that will not suffer from low temperature damage. The optimal humidity for preserving vegetables is a high temperature of about 90 to 95%, and the inside of the storage chamber 1 is also maintained at the above humidity. However, if the water droplets condensed in the storage chamber 1 hit the vegetables, they may swell, so as a way to keep the humidity constant and prevent the vegetables from swelling, excess water is removed using the evaporator 15.
The condensed water is dyed in a reservoir 16, and when it overflows, it is discharged outside through a drain 34. Matamasu 1
The flocking 18 of No. 6 promotes the evaporation of water to maintain humidity. Further, when vegetables are stored in the storage chamber 1, the 77-channel 24 of the CA means (B) is driven. At this time, moisture and CO2 are separated by the separation membrane 32 so that they do not pass through, and air containing O2 and ethylene flows into the housing 21 from the outflow pipe 27, and the adsorbent material 22 such as molecular sieve
O2 and ethylene are adsorbed to the air, and the air containing low O2 and low ethylene is returned to the storage chamber 1 from the inlet pipe 28. As a result, the inside of the storage chamber 1 is made into an atmosphere of low 02, low ethylene and high CO2. By creating a state of low O2 and high CO□, the respiration of vegetables can be suppressed and freshness can be maintained, and low ethylene l
By rubbing, one part of ethylene can prevent deterioration and maintain freshness. In this CA means CB), timer 25
In operation, the regeneration heater 23 is energized at predetermined intervals, and the adsorbent 22, such as Molecule Lasieve, is regenerated.

[Effects of the Invention 1] The present invention provides a storage box with a top opening under the floor below an opening provided in the floor to form a storage chamber for storing vegetables in the storage box,
The storage room is equipped with a cooling means to cool the inside of the storage room to a low temperature, so the storage room installed under the floor can be cooled to store vegetables at a low temperature. This device suppresses the respiration of vegetables and allows them to last longer without reducing their freshness, and since the storage compartment is located under the floor, you can store vegetables and maintain freshness without reducing the area on the kitchen floor. This allows you to buy vegetables in bulk and always eat fresh vegetables.Moreover, a storage box with an opening on the top is provided below the opening in the floor to form a storage room. Since the floor cover is attached to the opening so that it can be opened and closed, the top can be opened and closed, allowing vegetables to be put in and taken out from the top opening, preventing heavy cold air from escaping and keeping the temperature in the storage room constant. ! It is something that

[Brief explanation of the drawing]

FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a system diagram showing the cooling means, FIG. 3 is a system diagram showing control of the regeneration heater of the CA means, and FIG. FIG. 5 is a cross-sectional view explaining the operation of the same CA means as above, and FIG. The box (A) is a cooling means.

Claims (1)

[Claims] [1] A storage box with an opening on the top is provided under the floor below the opening provided in the floor to form a storage chamber for storing vegetables in the storage box, and a cooling means is provided in the storage chamber to cool the inside of the storage chamber to a low temperature. An underfloor vegetable storage is characterized in that the underfloor vegetable storage is provided with a floor cover that can be opened and closed over an opening in the floor.