JP3218535U - Electric field forming panel used for prefab, and prefab - Google Patents

Abstract

An electric field forming panel for use in a prefab capable of arranging a prefab environment so as to cause overcooling and a prefab attached with the electric field forming panel are provided. An electric field forming panel used for a prefab has flexibility and covers a mesh-like planar electrode, a first panel material covering one side of the planar electrode, and the other side of the planar electrode. The panel main body 2 having the second panel material 9 and the 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 is applied to the planar electrode 3 with a sinusoidal frequency of 48 Hz to 62 Hz. 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 for a prefab that can adjust the internal space of the prefab to a state where supercooling occurs, and a prefab provided with the electric field forming panel used for the prefab.

  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.

  SUMMARY OF THE INVENTION An object of the present invention is to provide an electric field forming panel and a prefab that can be used for a prefab that can adjust the prefab environment so as to cause overcooling and can be easily attached.

  An electric field forming panel used for a prefabricated device according to the present invention has a flexible electrode formed in a mesh shape, a first surface material covering one side of the electrode, and a second surface layer covering the other side of the electrode A panel main body having a material, and an insulating material disposed between the first surface material and the electrode, or between the second surface material and the electrode, and the electrode has a sinusoidal waveform with a frequency of 48 Hz to 62 Hz. By applying a voltage of 1 kV to 5 kV, 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 on which the insulating material is not disposed. It is characterized in that the environment of the 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.

The electric field forming panel used in the prefabricated device according to the present invention is made of a stainless steel net and does not react to water drops and condensation with a rectangular planar electrode formed in a mesh shape of 30 to 50 mesh having flexibility. It consists of a flame-retardant tent fabric, covers the one side of the flat plate electrode, is laminated by thermocompression treatment, and comprises a panel body comprising a surface layer material having a thickness in the direction of electric field formation, and a high-density polyurethane having flexibility. An insulating material disposed on the opposite side of the electric field forming direction between the material and the electrode, and the surface of the surface layer material on the side where the insulating material of the panel body is disposed is the wall surface side of the prefabricated storage chamber As shown in the figure, it is detachably attached by an insulating rivet, and a voltage of 1 kV to 5 kV is applied to the planar electrode with a sine waveform having a frequency of 48 Hz to 62 Hz. 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 water is passed through the internal environment of the storage room at a temperature below the freezing point. It is characterized in that it is adjusted to a state in which supercooling occurs in a non-freezing state.
In addition, the prefab in the present invention means a prefab having a width of 165 m ² (50 tsubo) or less.

A prefab according to the present invention includes a storage chamber, and an electric field forming panel used for the prefab is provided on an inner wall of the storage chamber.
The prefab in the present invention means a prefab (refrigeration prefab) having an area of 165 m ² (50 tsubo) or less.

  The electric field forming panel used in the prefabricated device according to the present invention has an electric field strength of 0. 3 m formed within 3 m from the surface on the side where the insulating material of the electrode is not disposed by applying a voltage to the planar electrode. It is adjusted from 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 prefabrication according to the present invention has flexibility, it can be easily attached to a desired position even at a place where it is difficult to attach the electric field formation panel.

It is a front view of the electric field formation panel used for the prefabrication concerning this invention. It is sectional drawing of the electric field formation panel used for the prefabrication concerning this invention. (A-A sectional view of FIG. 1) 1 is a perspective view of a prefab according to the present invention. It is a top sectional view of the prefabrication concerning the present invention.

  The electric field forming panel used for the prefabrication according to this embodiment and the prefab provided with the electric field forming panel used for the prefab will be described with reference to FIGS.

  As shown in FIGS. 1 and 2, an electric field forming panel 1 (hereinafter referred to as an electric field forming panel 1) used for the prefab 10 according to the present embodiment includes a rectangular panel main body 2 and the panel main body 2. A flat electrode 3 provided inside, a protective sheet 4 as a surface layer material covering one side of the flat electrode 3, and an insulating material 5 provided between the flat electrode 3 and the panel body 2 are provided.

[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 prefab 10, the protective sheet 4 can be made of a material that does not react to water droplets or condensation, for example, cloth or vinyl. 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 non-frozen state in −5 ° C. to 0 ° C. which is a general prefabricated refrigerated environment. It is adjusted to a state where supercooling 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.

[Prefab 10]
As shown in FIG. 3, the prefab 10 includes a prefabricated main body 12 having a roof portion 11, a storage chamber 13 provided in the prefabricated main body 12, and a door portion 15 provided in an opening 14 of the storage chamber 13. And a refrigeration (freezing) device (not shown) installed inside the storage chamber 13.
The door part 15 is comprised from two doors, and is designed in the magnitude | size which a person can go in and out. The storage room 13 stores boxed foods and plants.
In the present embodiment, the prefab 10 means that the prefabricated area 10 is 165 m ² or less (50 tsubo or less).

A plurality of the electric field forming panels 1 are provided on the inner wall 16 constituting the storage chamber 13. In the prefab 10 of this embodiment, as shown in FIG. 4, three are provided in parallel on one inner wall 16.
The size and number of the electric field forming panels 1 can be appropriately changed so that the internal environment of the storage chamber 13 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, effects of the electric field forming panel 1 and the prefab 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 prefab 10 (storage chamber 13) 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 13 is adjusted to a state where supercooling occurs in which the water becomes a non-freezing state at −5 ° C. to 0 ° C. which is a general prefabricated refrigerated environment.
Preventing the deterioration of freshness and decay of foods such as meat, fish, vegetables, fruits, and beverages stored in the storage room 13 when the water is adjusted to a state of non-frozen supercooling Is done.
Therefore, by providing the electric field forming panel 1 according to the present embodiment on the inner wall 16 of the storage chamber 13 of the prefab 10 and setting the interior of the storage chamber 13 to 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 13, 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 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 16, and can be provided, for example, on the ceiling portion or the door portion 15 of the storage chamber 13.

1. Electric field forming panel used for prefab (electric field forming panel)
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 Prefab 11 Roof part 12 Prefabricated body 13 Storage chamber 14 Opening part 15 Door part 16 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 prefab. 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 prefabricated storage chamber,
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 prefab. In a prefab with a storage room,
The electric field forming panel used for the prefab according to claim 1 and claim 2,
Provided on the inner wall of the storage room,
Prefab characterized by that.

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