JP3218534U - Electric field forming panels used for large refrigerated rooms and large refrigerated rooms - Google Patents

Abstract

An electric field forming panel for use in a large refrigeration room capable of adjusting the environment of the large refrigeration room so that overcooling occurs, and a large refrigeration room having the electric field forming panel attached thereto.
An electric field forming panel 1 used for a large-sized refrigerator compartment has flexibility, a mesh-like planar electrode 3, a first panel material 7 covering one side of the planar electrode, and the other side of the planar electrode. A panel main body 2 having a second panel material 9 to be covered, and an insulating material 5 disposed between the first panel material 7 and the planar electrode 3 are provided. In the electric field forming panel, a voltage of 1 kV to 5 kV having a frequency of 48 Hz to 62 Hz is applied to the flat electrode 3 within a range of 3 m from the surface of the flat electrode 3 on the side where the insulating material 5 is not disposed. An electric field space having an electric field strength of 3 kV / m to 15 kV / m is formed, and the environment of the electric field space is adjusted to a state where supercooling occurs in which the water becomes a non-freezing state at a temperature below the freezing point.
[Selection] Figure 2

Description

  The present invention relates to an electric field forming panel used in a large refrigeration room capable of adjusting the internal space of the large refrigeration room to a state where overcooling occurs, and a large refrigeration room provided with an electric field forming panel used in the large refrigeration room It is about.

  Conventionally, it causes supercooling phenomenon using vibration of water molecule based on electrostatic field, keeps moisture contained in food in non-frozen state in environment below freezing point, and prevents freshness deterioration of food, etc. Refrigerators and electrostatic field processing devices that are designed to achieve this have been proposed (for example, Patent Documents 1 to 4).

In these documents, an independent section is provided in a refrigerator, etc., and a configuration in which an electric field forming means for causing a supercooling phenomenon is built in this section, a configuration in which an electric field forming means is provided by modifying the refrigerator, etc. The technique which concerns on the refrigerator etc. which raise | generate supercooling is disclosed.

JP 2001-86967 A JP 2000-297976 A JP 2005-156042 A JP 2008-215716 A

However, as proposed in Patent Documents 1 to 4, there is a problem that it takes time and cost to remodel and attach the electric field forming means to cause a supercooling phenomenon in the refrigerator.
In the inventions proposed in Patent Documents 1 to 4, electric shock may occur when a body (for example, a hand or an arm) contacts the electrode. It is necessary to take other measures to avoid this.

  Accordingly, an object of the present invention is to provide an electric field forming panel and a large refrigerator compartment that can be used for a large refrigerator compartment that can arrange the environment of the large refrigerator compartment so as to cause overcooling and can be easily attached.

  The electric field forming panel used for the large refrigerator compartment according to the present invention has flexibility, a mesh-formed electrode, a first surface material covering one side of the electrode, and a first surface covering the other side of the electrode. A panel body having two surface layer materials, and an insulating material disposed between the first surface layer material and the electrode, or between the second surface layer material and the electrode, and the electrode has a frequency of 48 Hz to 62 Hz. By applying a voltage of 1 kV to 5 kV in the waveform, an electric field space having an electric field strength of 0.3 kV / m to 15 kV / m is formed within 3 m from the surface of the electrode where the insulating material is not disposed. In addition, the electric field space environment is adjusted to a state where supercooling occurs in which the water becomes non-frozen at a temperature below the freezing point.

The electric field forming panel used in the large-sized refrigerator compartment according to the present invention is made of a stainless steel net and has a rectangular planar electrode formed in a mesh shape of 30 to 50 mesh having flexibility, against water droplets and condensation. It consists of a flame-retardant tent fabric that does not react, covers one side of the flat plate electrode, is laminated by thermocompression bonding, and comprises a panel body with a surface layer material that has a thickness in the electric field forming direction, and a flexible high-density polyurethane An insulating material disposed between the surface layer material and the electrode and on the opposite side of the electric field forming direction, and the surface of the surface layer material on the side where the insulating material of the panel body is disposed is a storage room of a large refrigerator compartment It is detachably attached by an insulating rivet so that it is on the wall surface side, and a voltage of 1 kV to 5 kV is applied to the planar electrode with a sine waveform of a frequency of 48 Hz to 62 Hz. Then, an electric field space having an electric field strength of 0.3 kV / m to 15 kV / m is formed within 3 m from the surface on the side where the insulating material of the electrode is not disposed, and the internal environment of the storage chamber is set at a temperature below the freezing point. It is characterized in that it is adjusted to a state where supercooling occurs in which the water becomes non-frozen.
In addition, the large-sized refrigerator compartment in this invention means the refrigerator compartment whose installation area is 165 m < ² > (50 tsubos) or more.

A large refrigerator compartment according to the present invention includes a storage compartment, and an electric field forming panel used for the large refrigerator compartment is provided on an inner wall of the storage compartment.
In addition, the large-sized refrigerator compartment in this invention means the refrigerator compartment whose installation area is 165 m < ² > (50 tsubos) or more.

  The electric field forming panel used in the large-sized refrigerator compartment according to the present invention applies the voltage to the planar electrode, so that the electric field strength of the electric field space formed within 3 m from the surface of the electrode where the insulating material is not disposed is It is adjusted from 0.3 kV / m to 15 kV / m. The electric field space is adjusted to a state where supercooling occurs in which the water becomes a non-frozen state at −5 ° C. to 0 ° C., which is a general container refrigeration environment. In this way, the water is adjusted to a state where the water is unfrozen and overcooled, and the freshness of foods such as meat, fish, vegetables, fruits and beverages stored in the storage room is prevented from deteriorating or decaying. it can.

  Moreover, since the electric field formation panel used for the electric field formation panel used for the large-sized refrigerator compartment which concerns on this invention has flexibility, it can be easily attached to a desired position also in the location where it is difficult to attach an electric field formation panel.

It is a front view of the electric field formation panel used for the large-sized refrigerator compartment which concerns on this invention. It is sectional drawing of the electric field formation panel used for the large-sized refrigerator compartment which concerns on this invention. (A-A sectional view of FIG. 1) It is a perspective view of the large-sized refrigerator compartment which concerns on this invention. It is upper part sectional drawing of the large-sized refrigerator compartment which concerns on this invention.

  The electric field formation panel used for the large refrigeration room according to the present embodiment and the large refrigeration room provided with the electric field formation panel used for the large refrigeration room will be described with reference to FIGS.

  An electric field forming panel 1 (hereinafter referred to as an electric field forming panel 1) used in the large-sized refrigerator compartment 10 according to the present embodiment includes a rectangular panel main body 2 and the panel main body as shown in FIGS. 2 is provided with a planar electrode 3 provided inside 2, a protective sheet 4 as a surface material covering one side of the planar electrode 3, and an insulating material 5 provided between the planar electrode 3 and the panel body 2. Yes.

[Panel body 2]
The panel main body 2 is fitted into the first panel material 7 as the first surface layer material having the insertion portion 6 formed by bending the peripheral edge, and the insertion portion 6, and the first panel material 7 by the insulating bonding member 8. And a second panel material 9 as a second surface layer material to be joined (FIG. 2). The first panel material 7 constitutes the back surface of the electric field forming panel 1, and the second panel material 9 constitutes the front surface of the electric field forming panel 1.
And the 1st panel material 7 and the 2nd panel material 9 penetrate the insertion part 6, and are joined by the some joining member 8 provided in the predetermined space | interval. A through-hole 8A is formed in the joining member 8, and an insulating rivet material is passed through the through-hole 8A.

[Plane electrode 3]
For the planar electrode 3, a mesh-like conductive metal material is used. The planar electrode 3 of the present embodiment uses a stainless steel net having a rectangular mesh number of 40 mesh.
The shape of the planar electrode 3 is not limited to a rectangular shape, and can be, for example, a round shape, a round donut shape, or a rectangular donut shape. The number of meshes of the planar electrode 3 is preferably in the range of 30 mesh to 50 mesh.
Since the planar electrode 3 has a mesh shape, it has flexibility. The size of the planar electrode 3 is, for example, 1 m × 2 m, and can be appropriately changed according to the area of the location where the electric field forming panel 1 is attached.

[Protective sheet 4]
The protective sheet 4 is provided between the planar electrode 3 and the second panel material 9.
The protective sheet 4 has an end inserted into the insertion portion 6 and is fixed to the first panel material 7 by a joining member 8 together with the second panel material 9. When the planar electrode 3 is used, the protective sheet 4 is formed by being laminated by thermocompression bonding or the like in order to reliably avoid discharge and electric leakage and to reduce electric shock caused by contact. The direction in which the protective sheet 4 is laminated is preferably the direction in which the electric field space is formed by the planar electrode 3, that is, the electric field forming direction X.
In consideration of the temperature environment of the large refrigerator compartment 10, a material that does not react to water droplets or condensation, such as a cloth or a vinyl, can be used for the protective sheet 4. A flame-retardant tent fabric is used for the protective sheet 4 of the present embodiment.

[Insulating material 5]
The insulating material 5 is formed of an insulating material, for example, a synthetic resin, and has flexibility.
The insulating material 5 of this embodiment is rectangular and is made of high-density polyurethane.
The insulating material 5 is provided between the first panel material 7 and the planar electrode 3. The insulating material 5 is provided in contact with the planar electrode 3 on the side opposite to the electric field forming direction X.
The insulating material 5 is designed to have the same size corresponding to the planar electrode 3. The size of the insulating material 5 can be larger or smaller than that of the planar electrode 3, but is preferably the same size.

Next, the electric field space formed by the electric field forming panel 1 will be described.
The electric field forming panel 1 of the present invention forms an electric field space using a commercial power frequency without using special power supply equipment and power supply devices. The range of the electric field space in which the supercooled state in which water becomes unfrozen at temperatures below the freezing point can be reliably obtained is determined based on the following electrical theory.

  Assuming that the first panel member 7 and the second panel member 9 of the electric field forming panel 1 are planar electrodes facing each other, the capacitance C (F) between the planar electrodes (electric field forming panel 1) is expressed by the following [Equation 1 ] Can be expressed as follows.

C = ε × S / d [Formula 1]
C: Capacitance (F)
ε: Dielectric constant of electric field space (≈8.854 × 10 ⁻¹² F / m)
S: Panel area (m ² )
d: Distance between facing electrodes (case or case) (m)

  The electric charge Q (C) stored in the electric field forming panel 1 can be expressed as [Equation 2] below.

Q = C × V [Formula 2]
C: Panel capacitance (F)
V: Applied voltage (V)
(However, in alternating current, V changes with time.)

  The electric field strength (electric field amount) E (V / m) at a position away from the electrification Q (C) by a distance r (m) can be expressed as [Equation 3] below.

E = Q / (4 × π × ε × r ² ) [Formula 3]
ε: Dielectric constant of electric field space (≈8.854 × 10 ⁻¹² F / m)
r: Distance (m)

  An alternating current I (A) flowing through a capacitor (electric field space) having a capacitance C can be expressed as [Equation 4] below.

I = 2 × π × f × C × V [Formula 4]
I: AC current (A)
f: AC voltage frequency (Hz)
V: Applied voltage (V)

Based on the electrical theory described above, when a voltage of 1 kV to 5 kV is applied to the planar electrode 3 of the electric field forming panel 1 with a sine wave with a frequency of 48 Hz to 62 Hz, the electric field forming direction on the side where the insulating material 5 is not provided. An electric field space having a predetermined electric field strength is formed within 3 m from the surface of X and the surface electrode 3.
When the electric field strength of the formed electric field space is 0.3 kV / m to 15 kV / m, the electric field space is in a refrigerated environment of a general large-sized refrigeration room. It is adjusted to a state in which overcooling occurs.
In the electric field panel 1 of the present embodiment, it is necessary to control the magnitude of the AC applied voltage V (V) and the electric charge Q (C) stored in the electric field forming panel 1, and these controls are publicly known. Can be used.

[Large refrigerator room 10]
As shown in FIG. 3, the large refrigerator compartment 10 includes a refrigerator compartment body having a roof portion 11, two storage compartments 12 adjacent to each other in the width direction Y, and a shutter portion 14 provided at an opening 13 of the compartment 12. And a refrigeration (freezing) device (not shown) installed inside the storage chamber 12.
The opening 13 is designed to have a size that allows the transport vehicle to enter and exit the storage room 12, and inside the large refrigeration room 10, boxed food and plants are stored.
In this embodiment, the large refrigerator compartment 10 means a refrigerator compartment having an installation area of 165 m ² or more (50 tsubo or more).

A plurality of electric field forming panels 1 are provided on the inner wall 15 constituting the storage chamber 12. In the large refrigerator compartment 10 of the present embodiment, three are provided in parallel on one inner wall 15.
The size and the number of the electric field forming panels 1 can be appropriately changed so that the internal environment of the storage chamber 12 has an electric field strength of 0.3 kV / m to 15 kV / m within 3 m from the surface of the electric field forming panel 1.

Next, the effects of the electric field forming panel 1 and the large refrigerator compartment 10 according to the present embodiment will be described.
When a voltage is applied to the planar electrode 3, the electric field forming panel 1 attached to the large refrigeration chamber 10 adjusts the electric field strength of the electric field space from 0.3 kV / m to 15 kV / m. Then, the electric field space (inside the storage chamber 12) is adjusted to a state in which supercooling occurs in which water becomes non-frozen in a refrigeration environment of a general large-sized refrigeration room at -5 ° C to 0 ° C.
Prevents deterioration of freshness and spoilage of food such as meat, fish, vegetables, fruits, and beverages stored in the storage room 12 when the water is adjusted to a state in which the water is not frozen. Is done.
Therefore, by providing the electric field forming panel 1 according to the present embodiment on the inner wall 15 of the storage room 12 of the large refrigeration room 10 and making the inside of the storage room 12 in an environment of a predetermined condition, it is possible to prevent the freshness deterioration and spoilage of food. .

Moreover, since the 1st panel material 7, the 2nd panel material 9, the insulating material 5, and the plane electrode 3 all have a softness | flexibility, the electric field formation panel 1 itself of this embodiment has a softness | flexibility.
Therefore, in the storage chamber 12, even if it is difficult to attach the electric field forming panel 1, the electric field forming panel 1 is applied with a force, bent once, placed at a desired position, and the applied electric force is released to release the original electric field forming panel. 1 and the electric field forming panel 1 can be attached to a desired position.

  Moreover, the electric field formation panel 1 of this embodiment can be moved by connecting to a commercial power supply, without requiring special power supply equipment and electric devices. Furthermore, there is no need for special insulation measures. Therefore, the user can easily use the electric field forming panel 1 and the large refrigerator compartment 10 without requiring special handling from the user.

Although the present embodiment has been described above, the configuration described in the above embodiment can be selected or changed to another configuration as long as it does not depart from the gist of the present invention. .
For example, in the electric field forming panel 1 of the present embodiment, the first panel material 7 and the second panel material 9 are formed as separate bodies, but may be formed integrally. Moreover, the electric field formation panel 1 of this embodiment may remove the 2nd panel material 9, and may use the protective sheet 4 as a surface layer material.
The insulating material 5 may be provided between the planar electrode 3 and the second panel material 9 (or the protective sheet 4).

  Further, the position where the electric field forming panel 1 is provided is not limited to the inner wall 15, and can be provided, for example, on the ceiling of the storage chamber 12.

1. Electric field forming panel (electric field forming panel) used for large refrigerated rooms
2 Panel body 3 Planar electrode 4 Protective sheet (surface layer material)
5 Insulating material 6 Insertion part 7 First panel material (first surface layer material)
8 Joining member 8A Through-hole 9 Second panel material (second surface layer material)
DESCRIPTION OF SYMBOLS 10 Large refrigerator compartment 11 Roof part 12 Storage room 13 Opening part 14 Shutter part 15 Inner wall X Electric field formation direction

Claims (3)

An electrode having flexibility and formed in a mesh shape;
A panel body having a first surface material covering one side of the electrode and a second surface material covering the other side of the electrode;
An insulating material disposed between the first surface material and the electrode, between the second surface material and the electrode, and
A voltage of 1 kV to 5 kV is applied to the electrode with a sine waveform having a frequency of 48 Hz to 62 Hz, so that the surface of the electrode on the side where the insulating material is not disposed is within 3 m from 0.3 kV / m to 15 kV / forming an electric field space having an electric field strength of m,
The environment of the electric field space is adjusted to a state where supercooling occurs in which water becomes a non-freezing state at a temperature below the freezing point.
An electric field forming panel for use in a large-sized refrigerated room. A rectangular planar electrode made of a stainless steel net and formed into a flexible mesh of 30 to 50 mesh;
It consists of a flame-retardant tent fabric that does not react to water droplets and condensation, covers one side of the flat plate electrode, and is laminated by thermocompression treatment, and a panel body provided with a surface layer material having a thickness in the electric field forming direction,
Made of high-density polyurethane having flexibility, comprising an insulating material disposed between the surface layer material and the electrode and on the opposite side to the electric field forming direction,
The surface of the surface layer material on the side where the insulating material of the panel body is disposed is detachably attached by an insulating rivet so that it becomes the wall surface side of the storage room of the large-sized refrigerator compartment,
By applying a voltage of 1 kV to 5 kV with a sinusoidal frequency of 48 Hz to 62 Hz to the planar electrode, 0.3 kV / m to 15 kV within 3 m from the surface of the electrode where the insulating material is not disposed. Forming an electric field space having an electric field strength of / m,
The internal environment of the storage room is adjusted to a state where supercooling occurs in which water becomes non-freezing at a temperature below the freezing point.
An electric field forming panel for use in a large-sized refrigerated room. In a large refrigerator room with a storage room,
The electric field forming panel used for the large-sized refrigerator compartment according to claim 1 and claim 2,
Provided on the inner wall of the storage room,
Large refrigerated room characterized by that.

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